Used Rss Recycling Shredders & Solutions Shredder, Mono Rotor, Single Shaft, for sale (19,919)
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Listing
Dębowica
5,951 km
Twin-shaft shredder
Hammel, Pronar, Olnova, Lindner, ArjesVB 750, MRW 2.85, U75, 75DK, VZ 750
Call
Condition: new, We would like to offer shafts specifically designed for medium-sized shredders equipped with side combs, a breaking bar, and a cassette system.
Suitable for models:
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LINDNER U75, ARJES VZ750, HAMMEL VB750OL, NOVA 75DK
- 5-7-7
- 6-7-7
- 8-7-7
- 10-7-7
MRW 2.85:
- 5-8-8
- 6-8-8
- 8-8-8
- 10-8-8
PROTECHNIKA is a company with a 21-year history, specializing from its inception in the manufacturing of spare parts and complete recycling systems. In recent years, we have expanded our product range to include grinding shafts for slow-speed shredders. Through the implementation of automated welding processes and proprietary production technologies, we have successfully reduced production lead times while maintaining consistently high quality standards. Grinding shafts are a serial product, which also allows us to collaborate with machine manufacturers on an OEM basis.
What sets PROTECHNIKA apart from the competition? The answer is simple:
- Certified 3.1 materials
- TUV SUD Rheinland quality assurance
- ISO 9001 certification
- Automated welding processes / ISO 15613 / ISO 15614
- Welders certified to ISO 9606-1
- ISO 9001:2015
- ISO 14001
- Independent design department able to fulfil any customer-specific requirements
- In-house Research and Development Centre
Building long-term customer relationships is our top priority, as your satisfaction is our success!
Listing
Dębowica
5,951 km
Twin-shaft shredder
LINDNER, PRONAR, HAMMEL, ARJES, OLNOVAU 95, MRW 2.10.10, VB 950, VZ 950, 95DK
Call
Condition: new, Shredding Shafts for Hammel VB 950, Arjes VZ 950, Lindner U95, Pronar MRW 2.10.10, Olnova 95DK
Available in all configurations with side combs and breaker bars:
- 6-8-8
- 8-8-8
- 6-10-10
- 8-10-10
- 10-10-10
- 12-10-10
PROTECHNIKA is a company with a 21-year history, specializing since its inception in the production of spare parts and complete recycling lines. In recent years, we have expanded our product range to include the manufacture of cutting shafts for slow-speed shredders. By implementing automated welding processes and our proprietary production technology, we have minimized production times while ensuring consistently high quality. Cutting shafts are a serial product, which allows us to collaborate with machine manufacturers as an OEM supplier.
What sets PROTECHNIKA apart from the competition? It’s simple!
- Certified 3.1 materials
- TUV SUD Rheinland certified quality
- ISO 9001
- Automated welding process / ISO 15613 / ISO 15614
- Welders certified to ISO 9606-1
- ISO 9001:2015
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- ISO 14001
- In-house design department able to meet all customer requirements
- Our own Research and Development Center
Customer relations are of paramount importance to us, as their satisfaction is our greatest success!
Listing
Dębowica
5,951 km
Twin-shaft shredder
ARJESIMPACTOR 250/850 ;COMPACTOR 300; EKOMAXX
Call
Condition: new, Shafts dedicated for IMPACTOR 250/850, COMPACTOR 300, EKOMAXX 800. Option to place orders including cassette and screen basket.
- BETONWELLE
- PADDLE
- STAR (4-KNIFE, 6-KNIFE)
- TRAPEZOIDAL
PROTECHNIKA is a company with 21 years of experience, specializing from the outset in the production of spare parts and complete recycling lines.
In recent years, we have expanded our portfolio to include the manufacture of cutting shafts for slow-speed shredders. By implementing automated welding processes and utilizing proprietary production technology, we have minimized production times while maintaining consistent, high quality. The production of cutting shafts is carried out serially, which among other benefits, enables us to collaborate with machinery manufacturers as an OEM partner.
What sets PROTECHNIKA apart from the competition? It's simple!
- Certified 3.1 materials
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- TUV SUD Rheinland quality certification
- ISO 9001 compliance
- Automated welding process / ISO 15613 / ISO 15614
- Welders qualified to ISO 9606-1
- ISO 9001:2015
- ISO 14001
- Independent design department capable of meeting all customer requirements
- Proprietary RESEARCH AND DEVELOPMENT CENTRE
Customer relations are of the highest importance to us, because their satisfaction is our success!
Listing
Dębowica
5,951 km
Twin-shaft shredder
HAMMEL VB 850
Call
Condition: new, SHAFTS DEDICATED FOR HAMMEL VB 850. ALSO AVAILABLE WITH SIDE COMBS
PROTECHNIKA is a company with 21 years of history and, since the start of its operations, has been engaged in the production of spare parts and complete recycling lines.
In recent years, we have expanded our portfolio to include the production of grinding shafts for slow-speed shredders. By implementing automated welding processes and developing our own manufacturing technology, we have minimized production times while maintaining consistent, high quality. Grinding shafts are a series-produced product, which, among other advantages, enables us to cooperate with machine manufacturers on an OEM basis.
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What sets PROTECHNIKA apart from the competition? It's simple!
- Certified 3.1 materials
- TUV SUD Rheinland quality
- ISO 9001
- Automated welding process / ISO 15613 / ISO 15614
- ISO 9606-1 welder qualifications
- ISO 9001:2015
- ISO 14001
- Independent design department capable of fulfilling any customer requirements
- Our own RESEARCH AND DEVELOPMENT CENTRE
Customer relations are of paramount importance to us, because their satisfaction is our success!
Listing
Dębowica
5,951 km
Twin-shaft shredder
ARJESVZ 950/ TYTAN
Call
Condition: new, Year of construction: 2025, SHAFTS DEDICATED FOR ARJES 950 / TYTAN MACHINES IN ALL AVAILABLE CONFIGURATIONS. NOW ALSO AVAILABLE WITH CASSETTE OPTION.
- STEEL SHAFTS WITH TWO TYPES OF RINGS
- BETONWELLE SHAFTS
- PADDLE SHAFTS WITH TWO DESIGNS
- STAR SHAFTS
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PROTECHNIKA is a company with 21 years of history, specializing since its inception in the production of spare parts and complete recycling lines.
In recent years, we have expanded our product range to include the manufacturing of grinding shafts for slow-speed shredders. Thanks to the implementation of automated welding processes and in-house production technology, we have minimized lead times while maintaining consistently high quality. Grinding shafts are produced in series, allowing us, among other benefits, to collaborate with machinery manufacturers as OEM suppliers.
What makes PROTECHNIKA stand out from the competition? The answer is straightforward!
- Certified 3.1 materials
- TUV SUD Rheinland quality certification
- ISO 9001
- Automated welding process / ISO 15613 / ISO 15614
- ISO 9606-1 certified welders
- ISO 9001:2015
- ISO 14001
- Independent design department capable of fulfilling any customer requirement
- Own RESEARCH & DEVELOPMENT CENTER
Customer relations are our highest priority, as their satisfaction is our success!
Listing
Tallinn
6,066 km
Two shaft shredder
JWC InternationalMuffin Monster 30001
Call
Condition: new, Year of construction: 2018, functionality: fully functional, power: 25 kW (33.99 HP), New in box specialized food waste shredder. Manufactured in 2018 but has never been used, still in box.
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Listing
Walsrode
6,838 km
Two shaft shredder
ArjesImpaktor
Call
Condition: refurbished (used), Year of construction: 2023, functionality: fully functional, machine/vehicle number: A230159, For sale: Refurbished shaft set for Arjes Impaktor.
The shaft set has been completely overhauled and inspected for cracks. It is in good technical condition and ready for immediate use.
All tools are new and made from HB500. The shaft set is ready for installation and can be supplied with either EVO 1 or EVO 2 cassette, as required.
We accept your old shafts in part exchange.
Price and further details upon request.
Cost-effective shipping available throughout Europe.
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Tecweld GmbH is a company specializing in the refurbishment of wear parts. Our focus is on the repair and reconditioning of crusher and shredder shafts.
This is precisely where our core competence lies. Thanks to our many years of experience and expertise, we are able to offer cost-effective solutions. In many cases, professional refurbishment is significantly more economical than purchasing new parts or carrying out time-consuming repairs in-house.
For our customers, this means reliable technology, predictable costs, and an economical alternative to replacing new components.
Please feel free to contact us – we are happy to advise you.
Listing
Colonnella
6,469 km
Single-shaft multi-blade saw
Trademak srlPiranha 310
Call
Condition: new, Year of construction: 2024, The PIRANHA 310 Multi-blade or Multi-blade Circular Saw with single shaft is a technological machine, indispensable in a modern sawmill to optimize the production of sawn timber.
ideal for the production of strips, squares, sawn timber, profiles, edged planks, prisms, boards, elements for pallets.
SPECIAL PRICE,
OFFER OF THE MONTH
UNBEATABLE PRICE
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Listing
Möllbrücke
6,522 km
Twin-shaft shredder
LINDNERUrraco 4000 DS
Call
Condition: excellent (used), Year of construction: 2022, operating hours: 2,330 h, functionality: fully functional, machine/vehicle number: 7535, overall weight: 28,500 kg, power: 405 kW (550.65 HP), Mobile Shredding Plant LINDNER URRACO 4000 DS (self-propelled)
Discharge conveyor with overband magnet, dust suppression system, compressed air compressor for machine cleaning
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SF12.9 shaft pair with accessories
Pre-breaker shaft pair with accessories available upon request
Listing
Nepomuk
6,525 km
Single-shaft rip saw
MEZ Frenštát p. Radh.F200
Call
Condition: used, functionality: fully functional, - Manufacturer: MEZ Frenštát p. Radh.
- Type: F200
- Motor power: 30 kW
- Single-shaft design
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- Max. height of processed material: 120 mm
- Min. length of processed material: 2 m
Listing
Bad Essen
6,907 km
Two-shaft shredder
LindnerUrraco 95 DK
Call
Condition: used, Year of construction: 2021, Lindner Urraco 95 DK – Year of Manufacture 2021 – Well-Maintained Condition
For sale is a Lindner Urraco 95 DK from 2021 with 7,230 recorded operating hours. The shredder is in a well-maintained and ready-to-use condition. The exact condition can be seen in the photos.
The machine is equipped with the DK4 package, featuring a reinforced gearbox and a reinforced cutting frame.
—
Specification / Scope of Delivery
• 1 set of armoured shafts HW 8/10 with clearing combs and breaker bar, suitable for scrap and waste
• 1 set of used shafts HW 8/10 with clearing combs and breaker bar, also for scrap and waste
• DK4 package with reinforced gearbox and reinforced cutting frame
—
Technical Data – Lindner Urraco 95 DK
Model: Lindner Urraco 95 DK
Year of manufacture: 2021
Operating hours: 7,230
Engine power: approx. 566 kW (approx. 770 HP)
Emissions standard: Stage V / Tier 4f (depending on version)
Shaft length: approx. 2,500 mm
Shaft diameter: approx. 870 mm
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Maximum torque: up to approx. 480,000 Nm
Machine weight: approx. 46 t
Dimensions (L x W x H): approx. 9.2 m x 2.55 m x 3.2 m
Chassis: crawler tracks, hydraulically driven
Application areas: scrap, commercial waste, bulky waste, mixed waste, wood, recycling material
—
Condition: Well-maintained machine Fully operational
Sale as inspected on site
Additional Information / Maintenance History
The machine had a full maintenance and service contract directly with Lindner until recently. All maintenance and service work was carried out professionally in accordance with the manufacturer’s specifications and documented.
Notes:
• Sale is without any warranty or guarantee.
• No return or renegotiation.
• Subject to prior sale.
All information provided is without obligation. The seller accepts no liability for possible errors, omissions, or changes in the details. Sale is exclusively subject to prior sale.
Listing
Heilbronn
6,843 km
Shredder All Shredder Recycling from plastic to steel
Josan80cm
Call
Year of construction: 2024, condition: new, We also offer leasing and financing options. Feel free to contact us!
For all recycling needs, we have shredders and other recycling machines in stock at our Leingarten facility! Whether copper recycling or plastic recycling, you can source all machines from us. Don't hesitate to ask.
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‼️Immediately available for pickup ‼️ In stock ‼️
‼️Watch videos on our website ‼️
Two-shaft shredder
80 cm shaft width
2 motors with 18.5 kW each
Very powerful shredder for tires, steel, wood, cables, plastics, etc. – universal shredder.
Robust, durable – Quality checked by Josan.
Available from our stock.
Net price: €33,000
Errors excepted. Images/price may vary.
Listing
Heilbronn
6,843 km
All Shredder Shredder Recycling
Josan40cm
Call
Year of construction: 2025, condition: new, We also offer leasing and financing options. Feel free to contact us!
For all types of recycling, we have shredders and other recycling machinery in stock in Heilbronn. From copper recycling to plastic recycling, you can purchase all types of machines from us. Please don't hesitate to ask.
‼️IMMEDIATELY AVAILABLE‼️ IN STOCK‼️
Shredder for pre-shredding of cables, plastics, etc. – ALL-PURPOSE SHREDDER.
➡️Motor: 11 kW
➡️40 cm shafts
➡️380V 60 Hz 3-phase
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➡️Dimensions (LxWxH): 1350x700x1600 mm
➡️Weight: approx. 800 kg
Net: €13,999.00
+19% VAT: €2,659.81
Gross: €16,658.81
Errors excepted.
Images may differ.
Listing
Warburg
6,852 km
Two-shaft electric shredder
ArjesIMPAKTOR 250 e-EVO II (Electric)
Call
Condition: new, Year of construction: 2025, Arjes IMPAKTOR 250 e-EVO II (Electric)
Stationary, fully electric, Twin Shaft Shredder
Year: 2025
Hours: NEW
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1x Set of shafts (choice available, various types depending on application*)
1x Set of breaking bars or breaker basket for concrete, wood, or cable
1x quick-change cassette, for fast shaft change
1x remote control
Discharge belt and overband magnet available on request
Includes frequency converter.
Guarantees an extremely energy-efficient shredding process.
Electric Motor – 160kW
Gearbox: Bonfiglioli
Shredding unit:
Length (mm) 3,300
Width (mm) 2,300
Height (mm) 3,200
Control unit
Length (mm) 2,600
Width (mm) 1,600
Height (mm) 2,700
Weight (kg) approx. 15,000 kg
Shredding Unit
Hopper volume (m³) 2.25
Shaft length (mm) 1,500
Rotation speed (rpm) 11–35
Throughput performance: average values without guarantee!
The actual values depend on the equipment of the shredder, the shaft configuration, the position of the counter rakes and the optimal material feed.
Construction waste ⌀ 80–100 t/h Concrete / Asphalt ⌀ 60–80 t/h Waste wood ⌀ 10 t/h Biomass ⌀ 20 t/h Waste & Plastics ⌀ 10–15 t/h
* You can choose between these shafts:
- Star shafts 9x4 or 9x6 (Household waste, waste wood, plastic, tires, e-scrap)
- Concrete shafts (Concrete, stone, construction waste, asphalt, e-scrap)
- Paddle shafts (Wood, waste wood, green waste)
- Metal shafts (Home appliances, e-scrap, aluminum (up to 3mm))
Listing
Warburg
6,852 km
Twin-shaft shredder
ARJESImpaktor 250 EVO 2 + 1 set paddle shafts
Call
Condition: new, Year of construction: 2025, operating hours: 5 h, NEW - Arjes Impaktor 250 EVO 2 with a set of paddle shafts (green cuttings, wood).
Discharge height: 3450 mm
Belt width: 800 mm
Hopper volume: 2.25 m³
Shaft length: 1500 mm
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Weight 14,500 kg
Standard configuration
Engine: Volvo-Penta, Stage V / 129 kW
Hook lift
Track drive
Overband magnet with discharge hopper
Water spraying for reduced dust widening
Paddle shafts incl. quick-change cassette
Crusher bars
Factory paint finish in orange-grey
Optional on request:
Star shafts (tires, waste, plastic)
Concrete shafts (building rubble, asphalt)
Concrete crusher basket
Listing
Warburg
6,852 km
Twin-shaft shredder
Arjes / EggersmannImpaktor 250 EVO II
Call
Condition: new, Year of construction: 2025, Arjes / Eggersmann Impaktor 250 EVO 2 - incl. 1 set of shafts
NEW - Arjes Impaktor 250 EVO 2 with one set of shafts
Discharge height: 3450 mm
Belt width: 800 mm
Hopper volume: 2.25 m³
Shaft length: 1500 mm
Weight: 14,500 kg
Standard engine configuration: Volvo-Penta, Stage V / 129 kW
Hook lift
Track chassis
Overband magnet with discharge container
Water spraying for less dust spreading
Remote control
1 set of shafts of choice,
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Shafts installed and incl. quick-change cassette and breaker bars
Star shafts (tires, trash, plastic)
Concrete shafts (demolition waste, asphalt)
Paddle shafts (green waste, wood)
Optional on request:
- Crushing baskets for concrete and wood
- Winding fans
- Finger screen, disc screen
- and more…
Listing
Frankfurt am Main
6,882 km
Two-shaft shredder
MercodorZM 44
Call
Condition: as good as new (ex-display), Year of construction: 2025, operating hours: 3 h, overall weight: 950 kg, warranty duration: 12 months, power: 7.5 kW (10.20 HP), input current: 32 A, input voltage: 400 V, type of input current: three-phase, year of last overhaul: 2025, Mercodor shredder ZM 44 complete machine with safety devices and switches. Siemens PLC control with overload protection etc. Machine with a cutting area of 500x380 mm knife 14 mm 3 hooks drive 7.5 KW.
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Listing
Frankfurt am Main
6,882 km
Twin-shaft shredder
MercodorZM 44
Call
Condition: new, Year of construction: 2025, operating hours: 1 h, functionality: fully functional, input voltage: 400 V, Mercodor Shredder ZM 44 with a cutting area of 600x380 m with 7.5 KW drive, knife assembly 19 mm, 3 hooks.
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Auction
Auction ended
County Cavan
7,937 km
4 - Shaft shredder
UnthaRS50 - 4 - S
Year of construction: 2006, operating hours: 8,679 h, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: RS502984, For industrial recycling applications
- For particularly tough applications
- very compact and robust design
- high availability and process reliability
- low noise and dust pollution
TECHNICAL DETAILS
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feed opening: 1.230 x 700 mm
Fraction sizes (depending on perforated screen): 15 - 40 mm
MACHINE DETAILS
Power: 60 kW
supply voltage: 400 V / 50 Hz
EQUIPMENT
- Conveyor belt included
Listing
Sobienie-Jeziory
6,028 km
Conveyor belt – sorting line
SILESIA SHREDDERS
Call
Year of construction: 2018, condition: excellent (used), functionality: fully functional, For sale: conveyor belt – sorting line consisting of 4 belt conveyors.
- Each conveyor features independent speed control (individual adjustment).
- Total length approx. 19 metres.
- Perfect condition – well-maintained, fully operational, ready for immediate use.
- Significantly accelerates and streamlines the sorting process, reducing operational costs.
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The line is ideally suited for used clothing sorting facilities, as well as for a wide range of recycling, production, and logistics applications.
Construction features:
- professional, robust, industrial-grade build
- highly reliable, trouble-free operation
- stable performance and high durability
- adjustable leg height
- health & safety guards
- flexible operation thanks to individual speed control for each section
- excellent condition
On-site inspection possible.
Collection/transport to be arranged.
Listing
Zwevegem
7,255 km
Frozen meat flaker Barflaker 300
BarssoFlaker (shredder), Barflaker 300
Call
Condition: new, NEW!
flaker for frozen products (fish, meat, vegetables, etc...)
electrical power : 9,5 kW
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dimensions of the machine (l x w x h) : ± 2.100 x 1.070 x 1.150 mm
capacity : ± 2.500 kg / h
for blocks of max. ± 470 X 600 X 200 mm
3 x 400 V
Trust Seal
Dealers certified through Machineseeker

Listing
Zheng Zhou Shi
3,684 km
Crushing equipment
MINGYUAN Double rotor hammer crusherDouble stage hammer crusher
Call
Condition: new, power: 90 kW (122.37 HP), Year of construction: 2026, A double rotor hammer crusher is a type of crusher in which two rotors are mounted on a single shaft, combined to form a spinning rotor. The double rotor arrangement enhances the crushing capabilities and provides a more efficient and reliable crusher design compared to single rotor crushers.
Here are some key features and aspects of a double rotor hammer crusher:
1. Two Rotors: As the name suggests, the crusher has two rotors that rotate in opposite directions on a common shaft. This dual rotor configuration allows for increased impact and crushing power.
2. High Capacity: The dual rotor design enables the crusher to handle larger feed sizes and higher capacity compared to single rotor crushers. It is suitable for crushing materials with high hardness and large sizes.
3. Versatility: Double rotor hammer crushers are versatile and can be used in various applications, including the reduction of limestone, gypsum, coal, and other similar materials in the mining, cement, and building materials industries.
4. Impact Crushing: The primary mechanism of crushing in a double rotor hammer crusher is through the impact of the hammers against the material. The material is fed into the crusher, and the high-speed rotating hammers impact and shatter the particles.
5. Adjustable Gap Settings: These crushers often have adjustable gap settings between the rotors and the impact bars, allowing control over the final particle size.
6. Durability: The robust design of the double rotor hammer crusher makes it durable and capable of handling tough materials and continuous operation.
7. Reduced Wear: The dual rotor arrangement can help distribute wear more evenly across the hammers and other wear parts, potentially extending the overall lifespan of the crusher.
Typical Technical Specifications
While exact numbers vary by manufacturer, these are the standard ranges for industrial models:
Model (Rotor Size),Max Feed Size,Output Size,Capacity (t/h),Total Motor Power
600 × 400,≤110 mm,≤3 mm,10 – 15,18.5+18.5 kW
800 × 600,≤120 mm,≤3 mm,40 – 50,45+45 kW
800 × 800,≤180 mm,≤3 mm,50 – 60,45+55 kW
1000 × 800,≤180 mm,≤3 mm,70 – 80,75+55 kW
1100 × 1000,≤200 mm,≤3 mm,70 – 100,90+110 kW
1400 × 1200,≤200 mm,≤3 mm,90 – 110,132+160 kW
For more details about double stage hammer crusher, or double rotor crusher, welcome to leave us a message, our team will get back to you at the earlist.
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Listing
Zheng Zhou Shi
3,684 km
Construction/Building debris Recycling
Construction & Demolition RecyclingConstruction Waste Recycling Equipment
Call
Condition: new, functionality: fully functional, power: 260 kW (353.50 HP), fuel type: electric, color: dark red, overall weight: 42,000 kg, operation weight: 42,000 kg, chain condition: 100 %, axle configuration: 3 axles, Year of construction: 2026, The construction industry is moving away from the "build-demolish-dump" cycle and toward Urban Mining. At the heart of this shift is the Mobile Stone Crusher, a powerhouse designed to turn piles of jagged concrete and brick into high-quality recycled aggregate right on the job site.
---
## 1. The Engineering Logic: From Waste to Wealth
In a traditional setup, demolition waste is hauled to a landfill—a process that is expensive, carbon-heavy, and wasteful. A mobile crusher flips the script. It brings the factory to the waste. By processing materials on-site, contractors save on transport costs and produce "Road Base" or "Sub-base" materials immediately.
### Key Components of a Mobile C&D Plant:
* Vibrating Feeder: Uses a "Grizzly" bar system to pre-screen fines (dirt/sand) so the crusher only works on the big stuff.
* Crushing Unit: Usually a Jaw Crusher (for primary compression) or an Impact Crusher (for better grain shape and higher reduction ratios).
* Magnetic Separator: This is the "secret sauce" for C&D waste. It pulls out rebar and scrap metal that would otherwise contaminate the recycled aggregate.
* Discharge Conveyor: Transports the finished product to a stockpile.
---
## 2. Technical Specifications & Performance
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When evaluating these machines, "Throughput" ($TPH$ or Tons Per Hour) is the metric that matters. For C&D recycling, the machine must handle unpredictable feed sizes and varied material hardness.
### Typical Technical Specifications Table
| Feature | Specification Range | Why it matters |
| --- | --- | --- |
| Throughput | 100 – 500 $t/h$ | Determines project timeline efficiency. |
| Max Feed Size | 500mm – 1,100mm | Dictates if you need a hydraulic breaker first. |
| Power Source | Diesel-Electric or Hydraulic | Dual power (Electric) is better for urban noise/emissions. |
| Crusher Type | Jaw or Impact | Impactors provide a more "cubic" final product. |
| Mobility | Crawler Tracks | Essential for moving over uneven rubble piles. |
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## 3. The "C&D" Specialization
Recycling construction waste isn't just about "breaking rocks." It’s about cleaning material. Modern mobile units are equipped with:
1. Over-belt Magnets: Specifically designed to lift heavy steel reinforcement bars (rebar) out of the crushed concrete flow.
2. Dust Suppression: High-pressure misting systems to keep neighbors happy and workers healthy in tight urban environments.
3. Active Pre-screening: Removing sticky soil or asphalt fines before they enter the crushing chamber to prevent "plugging."
> The Insight: Using a mobile crusher can reduce project carbon footprints by up to 40% simply by eliminating the "truck-in, truck-out" logistics of aggregate management.
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## 4. Maintenance and Longevity
Because C&D waste is highly abrasive (and often contains "surprises" like wood or plastic), maintenance is non-negotiable.
* Jaw Plates: Must be flipped or replaced regularly to maintain the "Closed Side Setting" (CSS), which determines the size of your output.
* Blow Bars: In impact crushers, these are the high-wear items that take the brunt of the force.
---
Would you like me to compare the cost-effectiveness of Jaw vs. Impact crushers for a specific type of demolition project, or perhaps look into the environmental regulations regarding on-site crushing?
Listing
Zheng Zhou Shi
3,684 km
Drying system
Single & Triple pass rotary dryerFor wood, sawdust,coal,fertilizer drying
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Condition: new, Year of construction: 2026, functionality: fully functional, power: 11 kW (14.96 HP), A triple pass rotary drum dryer is a type of industrial dryer that is used to reduce or remove moisture from a material. It gets its name from the three rotating drums through which the material passes, each with a different purpose in the drying process. This type of dryer is commonly used in the production of various bulk solids, including minerals, agricultural products, and biomass.
Here are the key features and components of a triple pass rotary drum dryer:
1. Triple Pass Design:
- The material being dried passes through three rotating drums or cylinders, hence the term "triple pass." Each drum serves a specific purpose in the drying process.
2. Material Flow:
- The material enters the dryer and first passes through the innermost drum. After the initial drying phase, it moves to the middle drum and then to the outer drum, undergoing additional drying in each pass.
3. Heat Source:
- Heat is typically provided by a combustion system, such as a burner or furnace, located at one end of the drum dryer. The hot gases generated by the combustion process flow through the rotating drums, transferring heat to the material.
4. Air Flow:
- The dryer is designed to optimize air flow through the drums, ensuring efficient drying. In a triple pass design, the material and hot gases move counter-currently through the three drums, enhancing heat transfer and drying efficiency.
5. Lifting Flights or Lifters:
- Lifters are internal components inside the drums designed to lift and cascade the material as it rotates. This movement promotes good heat transfer and uniform drying.
6. Retention Time:
- The triple pass configuration allows for an extended retention time of the material in the drying system. This longer exposure to heat enhances the drying efficiency, making the triple pass rotary drum dryer suitable for materials with high moisture content.
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7. Cooling Section:
- After the material completes the three passes and reaches the end of the drum dryer, a cooling section may be included to reduce the temperature of the dried material before it is discharged.
8. Applications:
- Triple pass rotary drum dryers are used in various industries, including agriculture (drying crops like grains), minerals (drying ores or concentrates), and biomass (drying wood chips or other organic materials).
9. Efficiency and Energy Consumption:
- Triple pass rotary drum dryers are known for their high efficiency due to the extended drying time and effective heat transfer. However, they may have higher energy consumption compared to single or double pass dryers.
When selecting a triple pass rotary drum dryer, it's essential to consider factors such as the type of material to be dried, required moisture reduction, and overall processing requirements. Proper design and operation are crucial to achieving optimal drying performance.
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Condition: new, Year of construction: 2026, Creating a cheap portable or mobile sand making plant involves optimizing costs while maintaining functionality and efficiency. Here's a basic outline of components and considerations for designing a cost-effective portable sand making plant:
1. Portable Sand Making Machine:
- Select a cost-effective sand making machine that meets your production requirements. Consider factors like capacity, efficiency, and maintenance costs.
- Look for options that offer good performance at a lower initial investment.
2. Screening Equipment:
- Choose a portable screening unit to separate the sand into different sizes. This is crucial for producing high-quality sand with the desired particle size distribution.
- Consider modular screening units that are easy to transport and set up.
3. Conveyor Systems:
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- Utilize conveyors to transport raw materials between different components of the plant. Opt for simple and reliable conveyor systems.
- Explore cost-effective conveyor options that are easy to maintain.
4. Hopper and Feeder:
- Incorporate a hopper and feeder system to ensure a continuous flow of raw materials to the sand making machine. This helps optimize the production process.
- Choose a design that minimizes material spillage and wastage.
5. Power Source:
- Consider energy-efficient power sources to reduce operational costs. This could include using generators or connecting to the electrical grid, depending on the availability and cost of electricity in your location.
6. Chassis and Mobility:
- Opt for a simple and robust chassis design that allows for easy transportation. Depending on your needs, choose between wheels or tracks for mobility.
- Aim for a design that facilitates quick setup and dismantling to save time and labor costs.
7. Control System:
- Implement a user-friendly control system that enables operators to monitor and adjust the sand making process efficiently.
- Consider automation features that enhance control and reduce the need for constant manual intervention.
8. Dust Control and Environmental Considerations:
- Integrate effective dust control measures to comply with environmental regulations and ensure a safe working environment.
- Explore environmentally friendly features to align with sustainability goals.
9. Modular Design:
- Consider a modular design for easy customization and scalability. This allows you to adapt the plant to varying production needs over time.
10. Used Equipment:
- Explore the possibility of using refurbished or used equipment to cut down on initial costs. Ensure that the used equipment is in good working condition and can meet your production requirements.
Remember that while cost optimization is important, it's crucial to maintain the quality and efficiency of the sand making process. Additionally, compliance with environmental regulations should be a priority. Always consider the specific requirements of your project and seek professional advice if needed.
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