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Bolong Organic Waste Compost Tank
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About Bolong

Bolong Group was founded in 1993. Since then, we have been committed to modernization of  livestock and Husbandry breeding . We have 4 Subsidiaries. In 2002,Hebi Bolong Breeding Co., Ltd. was established. In 2012, Henan Hebi Bolong Livestock Husbandry Machinery Co.,Ltd was established. In 2020,Henan Bolong Biological Technology Co., Ltd. and Henan Bolong Import and Export Trade Co., Ltd. was established.

At present, Bolong Group has Six comprehensive production workshops, covering more than 200,000 ㎡, more than 400 employees.


Production Equipment

  1. The first full automatic production line in China
  2. The production line integrates automatic cutting,welding, and finishing to ensure 100% product yield.
  3. Production accuracy is very high, error is only 0.02mm

Organic waste compost tank description

  1. Working Principle:

High temperature aerobic fermentation:

The aerobic bacteria will use the residual protein and organic matter to multiply rapidly and the compost tank will offer necessary conditions, such as high temperature(55-65degrees) and sufficient oxygen.The aerobic bacterial will decomose the organic waste and turn them into organic fertilizer under this condition.

fermentation tank

  1. Continuous production system:

worker only need to input raw material(animal manure) into feeding hopper every day, the lifting device will convey the raw material into the compost tank. The mixing arms will mix the raw materials evenly. Heat exchange device will use the heat of  waste gas to warm the fresh air and warm fresh air will be discharged into the tank by the whole on the mixing arms. The warm air will speed up composting progress and moisture evaporation.The composting cycle is only 7 days. From the 8th day on, the compost tank will discharge organic fertilizer every day. (The first day’s raw materials will become fertilizer on the 8th day; the second day’s raw materials will become fertilizer on the 9th day…)


  1. Structure:

The compost tank can be divided into 3 parts.

At the bottom, there is even polygon base,hydraulic station,oil cylinder,scroll pump,heating system;

In the middle, there is double deck tank body,filled with PU,lining of inner wall is 304stainless steel,mixing shaft and mixing arms are Mn-steel and outer tank body is thickened steel plate.

At the top, there is detection platform,exhaust facilities and Canopy.

Ancillary equipment includes heat exchange device, deodorization system,automatic tipping bucket elevator,belt conveyor ,electric control cabinet.





  1. Raw materials:

1). Animal manure, such as chicken manure, pig manure, cattle manure, etc.

2). Dead animal body

3). Kitchen waste

4). Domestic sewage sludge






  1. Moisture requirement: 60%-70%


  1. Capacity : one set compost tank can handle 8-12m3 raw materials every day and from the 8th day on, will discharge  4-5m3 high quality organic fertilizer (moisture content:about30%) every day.


Compared with traditional composting manner

  1. Remove odors:the raw materials in the traditional composting manner is open to the air, the worker and the surrounding people need to tolerate the odors. our compost tank is closed structure and equipped with deodorization system to remove odors;
  2. Short composting time:the traditional composting manner need at least 15 days, but our compost tank only need 7days;
  3. Small installation space: one set standard compost tank only need 60m2, with same capacity, the traditional composting manner will meed hundreds squaremeters;
  4. Continuous production system:the traditional composting manner input raw materials at least every 15 days. Our compost tank can input raw materials every day.
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