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Circulating agriculture and animal husbandry waste pretreatment system

A waste and pretreatment technology, applied in bio-organic part treatment, agriculture, chemical fertilizer treatment heating/cooling, etc., can solve the problems of chicken manure stacking that cannot meet the harmless requirements, waste of heat in the head space, and lower than the hygienic index 50 degrees Celsius standard and other issues to achieve the effect of avoiding heat waste, increasing utilization rate, and realizing heat recovery

Inactive Publication Date: 2022-07-08
邢旭英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the static composting bin is used to compost chicken farm manure, the water content in the chicken manure is close to saturation, and the chicken manure will produce an odor mainly composed of ammonia and volatile acids. It is necessary to perform forced ventilation on the static composting bin. The odor and moisture in the chicken manure are pretreated. During the ventilation process, the temperature difference between the upper and lower sides of the static composting bin is as high as 25°C. The chicken manure in the compost bin cannot meet the harmless requirements, and during the pretreatment process of the chicken manure in the static compost bin, the height of the pile will decrease with the reduction of moisture in the chicken manure and the composting reaction , the top position in the static compost bin produces idle space, resulting in waste of heat in the top space, therefore, a circular agricultural and animal husbandry waste pretreatment system is proposed to solve the above problems

Method used

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  • Circulating agriculture and animal husbandry waste pretreatment system
  • Circulating agriculture and animal husbandry waste pretreatment system
  • Circulating agriculture and animal husbandry waste pretreatment system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] see Figure 1-2, the present invention provides a recycling agricultural and animal husbandry waste pretreatment system, which includes a static compost bin body 1, a bottom heating module 4, and a top thermal insulation module 5. The top of the static compost bin body 1 is provided with a bin body outlet pipe 2 , the silo body outlet pipe 2 is used to discharge the moisture and odor in the static composting silo body 1, the outer side of the silo body outlet pipe 2 is provided with a heat recovery module 6, and the heat recovery module 6 is provided with a compressor and a heat exchanger, The compressor compresses the air in the heat recovery module 6, and the heat exchange is realized between the heat exchanger and the air outlet pipe 2 of the silo. The left side of the bottom heating module 4 is provided with a restrictor valve 9, which is connected to the static state. The compost bin body 1 is connected, and the restrictor valve 9 prevents excessive air intake. The...

Embodiment 2

[0035] In this embodiment, the same parts as those in Embodiment 1 will not be repeated, and the difference lies in the work flow of a recycling agricultural and animal husbandry waste pretreatment system.

[0036] Workflow: When the air flow rate entering the bottom heating module 4 cannot be more than that sent into the static compost bin body 1 from the restrictor valve 9, the pressure in the heating air tank 11 is always the same as the atmospheric pressure. The air in the heated air tank 11 cannot lift the air distribution plug 13, and under the elastic force of the elastic force reset assembly around the pressure limit assembly 14, the pressure limit assembly 14 is driven to reset, and the air distribution plug 13 is reset. Limit, so that the air in the heating air tank 11 no longer enters the voltage stabilization module 7 along the air distribution pipe 12, and the air self-circulation is realized between the top insulation module 5 and the heat recovery module 6.

Embodiment 3

[0038] see Figure 2-6 , the present invention provides a recycling agricultural and animal husbandry waste pretreatment system, which includes a static compost bin body 1 and a bin module, the inner side of the static compost bin body 1 is provided with a bin module, and the bin module includes a bin silo assembly 16. Lifting drive device 17 and sub-silo fan blade 19. Lifting and driving device 17 is fixed on the inner side of the sub-silo assembly 16 through a connecting shaft. The top of the lifting and driving device 17 is provided with a fan blade shaft 18, and the lifting and driving device 17 drives the fan blade The shaft 18 is lifted up and down, and the fan blades 19 of the sub-silo are arranged around the fan blade shaft 18. The fan blade shaft 18 drives the sub-silo fan blades 19 to rotate. The torsion spring drives the adjacent fan blade shafts 18 to rotate relative to each other, and the sub-silo fan blades 19 are net-shaped fan blades of one-twelfth circle, so t...

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Abstract

The invention discloses a circulating agriculture and animal husbandry waste pretreatment system which comprises a static composting bin body, a bottom heating module, a top heat preservation module and a bin dividing module, the bin dividing module is arranged on the inner side of the static composting bin body, and the bin dividing module comprises a bin dividing cylinder assembly, lifting driving equipment and bin dividing fan blades; a fan blade shaft is arranged at the top end of the lifting driving device, the bin dividing fan blades are arranged on the periphery of the fan blade shaft, the bin dividing fan blades are one-twelfth circle net-shaped fan blades, and heating electric heating wires and heating air grooves are formed in the inner side of the bottom heating module. The temperature in the static composting bin body is higher than the standard of 50 DEG C of the hygienic index, the ratio that chicken manure stockings in the static composting bin cannot meet the harmless requirement is reduced, the chicken manure stockings are layered through the bin separation fan blades, the discharging effect of odor in the chicken manure stockings is better, and heat waste caused by the fact that no chicken manure stockings exist in the top space is avoided.

Description

technical field [0001] The invention relates to the technical field of waste recycling, in particular to a recycling agricultural and animal husbandry waste pretreatment system. Background technique [0002] Agricultural and animal husbandry waste mainly includes plant fibrous waste and livestock and poultry manure. Livestock and poultry manure is an important source of soil and fertilizer. Manure composting is one of the methods of recycling livestock and poultry manure. Composting will reduce the quality of manure. , moisture content and activity, convert the nitrogen in the manure into more stable organic nitrogen, the heat generated in the composting process reduces the number of weed seeds and pathogenic bacteria in the manure, and facilitates the recycling of livestock and poultry manure. When the static compost bin is used to compost the manure of the chicken farm, the water content of the chicken manure is close to saturation, and the chicken manure will produce odor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F3/06C05F17/60C05F17/964C05F17/979
CPCC05F3/06C05F17/964C05F17/60C05F17/979Y02W30/40
Inventor 邢旭英华永李保全孙从宝闻浩赵花周王博何云建张金珂沈荣果程中洲丁贵云徐钊
Owner 邢旭英
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