阅读说明：本技术 一种畜禽粪便能源化工联产有机肥生产设备 (Livestock manure energy chemical co-production fertilizer production equipment ) 是由 牛晓君 李霞 张荔 涂宁宇 王雅婷 余成华 钟华文 彭绍洪 于 2019-11-08 设计创作，主要内容包括：本发明提供了一种畜禽粪便能源化工联产有机肥生产设备,包括集粪仓、好氧发酵仓、厌氧反应仓、沼气收集装置、制肥装置和控制箱,集粪仓包括筛板、水分测定仪、加料罐和搅拌装置,好氧发酵仓包括码垛装置和通风装置,厌氧反应仓内部设有使畜禽粪便来回翻动并分离沼液的固液分离装置,固液分离装置包括呈倒V型设置的传送带和用于带动传送带运动的差速电机,传送带上设有用于分离沼液的筛孔,固液分离装置下方设有沼液收集池,沼气收集装置的入气口处设有用于对沼气进行脱水、除尘、脱硫的沼气处理装置。总之,本发明具有生产方便、效率高、节能环保等优点。(The invention provides a livestock and poultry manure energy chemical co-production organic fertilizer production device which comprises a manure collecting bin, an aerobic fermentation bin, an anaerobic reaction bin, a biogas collecting device, a fertilizer making device and a control box, wherein the manure collecting bin comprises a sieve plate, a moisture tester, a feeding tank and a stirring device, the aerobic fermentation bin comprises a stacking device and a ventilation device, a solid-liquid separation device which enables livestock and poultry manure to turn back and forth and separate biogas slurry is arranged inside the anaerobic reaction bin, the solid-liquid separation device comprises a conveyor belt and a differential motor, the conveyor belt is arranged in an inverted V shape, the differential motor is used for driving the conveyor belt to move, sieve holes for separating biogas slurry are formed in the conveyor belt, a biogas slurry collecting pool is arranged below the solid-liquid separation device, and a biogas treatment device for dehydrating, removing dust and desulfurizing biogas is. In a word, the invention has the advantages of convenient production, high efficiency, energy saving, environmental protection and the like.)

1. A livestock and poultry manure energy chemical co-production organic fertilizer production device is characterized by mainly comprising a manure collecting bin (1) connected with a livestock and poultry breeding plant and used for collecting livestock and poultry manure, an aerobic fermentation bin (2) connected with the manure collecting bin (1) through a feeding machine and used for decomposing and sterilizing the livestock and poultry manure, an anaerobic reaction bin (3) connected with the aerobic fermentation bin (2) through the feeding machine and used for decomposing the livestock and poultry manure to prepare methane and an organic fertilizer, a methane collecting device (4) arranged above the anaerobic reaction bin (3) and used for collecting the methane generated by the anaerobic reaction bin (3), a fertilizer making device (5) and a control box (6) connected with a discharge port of the anaerobic reaction bin (3) and used for making methane slag generated by the anaerobic reaction bin (3) into the organic fertilizer,

the excrement collecting bin (1) comprises a sieve plate (11) arranged at a feeding port and used for sieving out large sundries in the livestock and poultry excrement, a moisture tester (12) arranged inside the excrement collecting bin (1) and used for monitoring the moisture content of the livestock and poultry excrement in the excrement collecting bin (1), a feeding tank (13) arranged above the excrement collecting bin (1) and used for adding dry materials into the excrement collecting bin (1) to adjust the moisture content of the livestock and poultry excrement and a stirring device (14) arranged inside the excrement collecting bin (1),

the aerobic fermentation bin (2) comprises a stacking device (21) for stacking the livestock and poultry manure into strips and chops and a ventilation device (22) for ventilating the aerobic fermentation bin (2),

the anaerobic reaction chamber (3) is internally provided with a solid-liquid separation device (31) which enables livestock and poultry feces to turn back and forth and separate biogas slurry, the solid-liquid separation device (31) comprises a conveyor belt (311) which is arranged in an inverted V shape and a differential motor (312) which is used for driving the conveyor belt (311) to move, the conveyor belt (311) is provided with a sieve hole for separating biogas slurry, a biogas slurry collecting tank (32) is arranged below the solid-liquid separation device (31), the biogas collecting tank (32) is communicated with a spraying device (34) arranged at the top of the anaerobic reaction chamber (3) through a lifting pump (33) and is used for spraying the separated biogas slurry onto the livestock and poultry feces,

a biogas treatment device (41) for dehydrating, dedusting and desulfurizing biogas is arranged at the gas inlet of the biogas collection device (4),

the control box (6) is respectively connected with the moisture tester (12), the feeding tank (13), the stirring device (14), the stacking device (21), the ventilation device (22), the differential motor (312), the lifting pump (33) and the methane collecting device (4) through relays.

2. The livestock and poultry manure energy and chemical co-production organic fertilizer production equipment as claimed in claim 1, wherein the stacking device (21) comprises a storage hopper (211) arranged above the aerobic fermentation bin (2), a quantitative conveyor (212) connected to the lower end of the storage hopper (211) through a pipeline, a rail (213) arranged at the inner top of the aerobic fermentation bin (2), and a stacking groove (214) slidably arranged on the rail (213) through a bearing arm (2141), wherein the stacking groove (214) is communicated with the quantitative conveyor (212) and is used for stacking livestock and poultry manure in the storage hopper (211) into a long manure pile in the aerobic fermentation bin (2).

3. The livestock and poultry manure energy and chemical co-production organic fertilizer production equipment as claimed in claim 2, wherein the bearing arm (2141) is connected with the stacking tank (214) through a hydraulic telescopic rod (2142) and is used for controlling the lifting of the stacking tank (214).

4. The livestock manure energy and chemical co-production organic fertilizer production equipment as claimed in claim 2, wherein a stirring device (2143) for stirring manure piles is arranged inside the stacking groove (214).

5. The livestock and poultry manure energy chemical co-production organic fertilizer production equipment as claimed in claim 1, wherein a heat exchange device (23) is arranged inside the aerobic fermentation bin (2), and a heat release end of the heat exchange device (23) is communicated with the inside of the biogas slurry collection tank (32) and is used for transferring heat generated in the aerobic fermentation bin (2) into the biogas slurry collection tank (32) and spraying the biogas slurry into the anaerobic reaction bin (3) after heating the biogas slurry, so as to improve the number and propagation speed of methane flora in the fermentation product.

6. The livestock manure energy chemical industry co-production organic fertilizer production equipment as claimed in claim 1, wherein exhaust ports of the manure collecting bin (1) and the aerobic fermentation bin (2) are respectively connected with the biogas treatment device (41).

7. The livestock and poultry manure energy chemical co-production organic fertilizer production equipment as claimed in claim 1, wherein the fertilizer preparation device (5) comprises a drying device (51) for dehydrating biogas residues and a granulating device (52) for granulating the dehydrated biogas residues into organic fertilizer particles.

8. The livestock and poultry manure energy chemical co-production organic fertilizer production equipment as claimed in claim 1, wherein a heat exchange device (23) is arranged inside the aerobic fermentation bin (2).

Technical Field

The invention belongs to the technical field of fertilizer production, and particularly relates to production equipment for chemical co-production of organic fertilizer from livestock and poultry manure energy.

Background

In recent years, the livestock and poultry breeding industry in rural areas of China develops rapidly, and the livestock and poultry breeding industry is bred in families and enterprises on a large scale. The produced livestock and poultry meat product greatly enriches the cabbage seeds of urban and rural residents. However, it should be noted that the sewage and feces generated by livestock and poultry breeding, especially large-scale breeding, can generate a large amount of feces and sewage, and if the management is not proper, the environment around the farm can be polluted, mosquitoes and flies can breed in a large amount, surrounding water sources can be polluted, and the sustainable development of livestock and poultry breeding is severely restricted.

The treatment of livestock manure in the prior art currently comprises two modes: one is composting the livestock and poultry manure, and has the defects of large occupied area, long period and large manpower for turning the manure; the other is anaerobic fermentation, but the cost of the anaerobic fermentation process is high, and gas odor is generated, so the invention combines the two methods to provide the production equipment for the energy, chemical and organic fertilizer coproduction of the livestock and poultry manure.

Disclosure of Invention

Aiming at the problems, the invention provides production equipment for producing livestock and poultry manure energy and organic fertilizer by chemical co-production.

The technical scheme of the invention is as follows: a production device of livestock and poultry manure energy, chemical and organic fertilizer co-production mainly comprises a manure collecting bin connected with a livestock and poultry breeding factory and used for collecting livestock and poultry manure, an aerobic fermentation bin connected with the manure collecting bin through a feeding machine and used for decomposing and sterilizing the livestock and poultry manure, an anaerobic reaction bin connected with the aerobic fermentation bin through the feeding machine and used for decomposing the livestock and poultry manure to prepare methane and organic fertilizer, a methane collecting device arranged above the anaerobic reaction bin and used for collecting methane generated by the anaerobic reaction bin, a fertilizer making device connected with a discharge port of the anaerobic reaction bin and used for making methane generated by the anaerobic reaction bin into organic fertilizer, and a control box,

the excrement collecting bin comprises a sieve plate arranged at a feeding port and used for sieving and removing large sundries in the livestock and poultry excrement, a moisture tester arranged inside the excrement collecting bin and used for monitoring the moisture content of the livestock and poultry excrement in the excrement collecting bin, a feeding tank arranged above the excrement collecting bin and used for adding dry materials into the excrement collecting bin to adjust the moisture content of the livestock and poultry excrement, and a stirring device arranged inside the excrement collecting bin,

the aerobic fermentation bin comprises a stacking device for stacking the livestock and poultry manure into a strip-shaped chopped state and a ventilation device for ventilating the aerobic fermentation bin,

the anaerobic reaction chamber is internally provided with a solid-liquid separation device which enables the livestock and poultry manure to turn back and forth and separate biogas slurry, the solid-liquid separation device comprises an inverted V-shaped conveyor belt and a differential motor for driving the conveyor belt to move, the conveyor belt is provided with sieve pores for separating the biogas slurry, a biogas slurry collection tank is arranged below the solid-liquid separation device, the biogas collection tank is communicated with a spraying device arranged at the top of the anaerobic reaction chamber through a lifting pump and is used for spraying the separated biogas slurry onto the livestock and poultry manure,

a biogas treatment device for dehydrating, dedusting and desulfurizing biogas is arranged at the gas inlet of the biogas collection device,

the control box is respectively connected with the moisture tester, the feeding tank, the stirring device, the stacking device, the ventilation device, the differential motor, the lifting pump and the methane collecting device through the relay.

Further, the stacking device comprises a storage hopper arranged above the aerobic fermentation bin, a quantitative conveyor arranged at the lower end of the storage hopper and a rail arranged at the top in the aerobic fermentation bin, and a stacking groove arranged on the rail in a sliding manner through a bearing arm, wherein the stacking groove is communicated with the quantitative conveyor and is used for stacking livestock and poultry manure in the storage hopper into a long manure pile in the aerobic fermentation bin, so that the livestock and poultry manure can be stacked without manual operation, and time and labor are saved.

Furthermore, the bearing arm is connected with the stacking groove through a hydraulic telescopic rod and used for controlling the lifting of the stacking groove.

Furthermore, the stacking groove is internally provided with a stirring device for stirring manure piles, the livestock manure needs to be stirred in the composting process, the livestock manure is beneficial to uniform fermentation, the stirring device can automatically stir the manure piles, and the shape of the manure piles cannot be damaged.

Further, the inside heat exchange device that is equipped with in good oxygen fermentation storehouse, heat exchange device's exothermic end with the inside intercommunication of natural pond liquid collecting pit for with the heat transfer that produces in the good oxygen fermentation storehouse in the natural pond liquid collecting pit, heat natural pond liquid and spray in the anaerobic reaction storehouse again, be arranged in improving methane florae quantity and reproduction speed in the fermentation, carry out the conversion utilization to the heat that the good oxygen fermentation jar produced, green to the firing equipment of natural pond liquid collecting pit has been saved, the cost is saved.

Further, the biogas treatment device is communicated with the biogas slurry collection tank and is used for conveying the separated liquid into the biogas slurry collection tank for recycling, so that the treatment and discharge of the separated liquid are avoided, and the recycling is formed.

Furthermore, the exhaust ports of the manure collecting bin and the aerobic fermentation bin are respectively connected with the methane treatment device and are used for purifying the gas generated by the manure collecting bin and the aerobic fermentation bin.

Further, the fertilizer preparation device comprises a drying device for dehydrating the biogas residues and a granulating device for granulating the dehydrated biogas residues into organic fertilizer particles.

The working principle of the invention is as follows: livestock manure in a farm is screened by a sieve plate to remove large sundries and then enters an manure collecting bin, a moisture tester monitors the moisture content of the livestock manure, a control box controls a feeding tank to add dry materials into the manure collecting bin to adjust the moisture content of the livestock manure, a stirring device is continuously stirred in the adding process, the livestock manure is lifted into a storage hopper of an aerobic fermentation bin by a feeding machine after the adjustment is finished, a stacking tank is moved to a proper position on a rail by a bearing arm, a hydraulic telescopic rod places the stacking tank on the bottom surface of the aerobic fermentation bin, a quantitative conveyor is opened to convey the livestock manure in the storage hopper into the stacking tank, the stirring device is continuously stirred in the conveying process to stack the livestock manure on the bottom surface of the aerobic fermentation bin to form a strip-shaped manure pile for aerobic fermentation, and ventilation is continuously performed by a ventilation device in the fermentation process to provide oxygen required by the aerobic fermentation, after the aerobic fermentation is finished, the livestock and poultry manure is lifted into an anaerobic reaction bin through a feeding machine, a differential motor of a solid-liquid separation device periodically rotates forwards and backwards to drive a conveyor belt to do reciprocating motion, the livestock and poultry manure is turned over on the conveyor belt under the action of gravity, biogas slurry contained in the livestock and poultry manure flows into a biogas slurry collection tank through a sieve mesh, the livestock and poultry manure can generate a large amount of heat in the aerobic fermentation process, the heat is collected through a heat absorption end of a heat exchange device arranged on the inner wall of the aerobic fermentation bin, then the biogas slurry in the biogas slurry collection tank is heated through a heat release end of the heat exchange device, the heated biogas slurry is lifted to a spraying device through a lifting pump and is sprayed onto the livestock and poultry manure in the anaerobic reaction bin, the number and the propagation speed of methane flora in the fermented livestock and poultry manure are improved, and after the anaerobic reaction is finished, the biogas residue enters a fertilizer, the generated biogas is dehydrated, dedusted and desulfurized by a biogas treatment device and then enters a biogas collection device for power generation and gas supply.

The invention has the beneficial effects that: the invention provides a production device for energy, chemical and organic fertilizer co-production of livestock and poultry manure, which is characterized in that the collected livestock and poultry manure is firstly subjected to aerobic fermentation after the water content is adjusted, the livestock and poultry manure is automatically piled into a long-strip stack shape by arranging a stacking device, and the stirring device is arranged in the stacking device, so that the shape of the manure pile can be adjusted during composting, the manure pile can be stirred conveniently during aerobic fermentation, meanwhile, the heat absorption end of the heat exchange device is arranged in the good sample fermentation bin, the heat generated by aerobic fermentation is used for heating the biogas slurry in the anaerobic reaction bin, so that the waste heat utilization is realized, a solid-liquid separation device is arranged in the anaerobic reaction tank, biogas slurry in the livestock and poultry manure is separated under the action of gravity, meanwhile, the heated biogas slurry is sprayed into the anaerobic reaction bin again by the spraying device, so that the number and the propagation speed of methane floras in the fermentation product are improved. In a word, the invention has the advantages of convenient production, high efficiency, energy saving, environmental protection and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the stacking device of the present invention.

Wherein, 1-manure collecting bin, 11-sieve plate, 12-moisture tester, 13-feeding tank, 14-stirring device, 2-aerobic fermentation bin, 21-stacking device, 211-storage hopper, 212-quantitative conveyor, 213-track, 214-stacking tank, 2141-bearing arm, 2142-hydraulic telescopic rod, 2143-stirring device, 22-ventilating device, 23-heat exchanging device, 3-anaerobic reaction bin, 31-solid-liquid separating device, 311-conveying belt, 312-differential motor, 32-biogas slurry collecting tank, 33-lift pump, 34-spraying device, 4-biogas collecting device, 41-biogas processing device, 5-fertilizer making device, 51-drying device, 52-granulating device, 6-control box.

Detailed Description

For the understanding of the technical solutions of the present invention, the following description is further illustrated with reference to fig. 1-2 and specific examples, which are not intended to limit the scope of the present invention.

Example 1:

a livestock manure energy chemical industry coproduction fertilizer production facility includes:

a feces collecting bin 1 for collecting feces,

an aerobic fermentation chamber 2 connected to the manure collecting chamber 1 for decomposing and sterilizing the livestock manure, a stacking device 21 for stacking the livestock manure into strips and chopping the livestock manure, a ventilation device 22 for ventilation,

an anaerobic reaction chamber 3 connected to the aerobic fermentation chamber 2 for decomposing the livestock and poultry feces to prepare biogas and organic fertilizer, a solid-liquid separation device 31 for turning the livestock and poultry feces back and forth and separating biogas slurry is arranged in the anaerobic reaction chamber, the solid-liquid separation device 31 comprises a conveyor belt 311 arranged in an inverted V shape and a differential motor 312 for driving the conveyor belt 311 to move, and a sieve mesh for separating the biogas slurry is arranged on the conveyor belt 311

A biogas slurry collecting tank 32 which is positioned below the solid-liquid separation device 31 and is used for collecting biogas slurry,

a spraying device 34 connected with the biogas slurry collecting tank 32 through a lifting pump 33 and used for spraying the separated biogas slurry to the livestock and poultry manure,

a fertilizer preparation device 5 is connected with a discharge hole of the anaerobic reaction bin 3 and is used for preparing organic fertilizer from biogas residues generated by the anaerobic reaction bin 3, the fertilizer preparation device 5 comprises a drying device 51 for dehydrating the biogas residues and a granulating device 52 for granulating the dehydrated biogas residues into organic fertilizer particles,

a marsh gas collecting device 4 connected to the anaerobic reaction chamber 3, a marsh gas processing device 41 for dehydrating, dedusting and desulfurizing the marsh gas generated by the anaerobic reaction chamber 3 is arranged in the marsh gas collecting device,

and the control box 6 is used for controlling the whole equipment, and the control box 6 is respectively connected with the stacking device 21, the ventilation device 22, the differential motor 312, the lifting pump 33 and the methane collecting device 4 through relays.

Example 2:

example 2 is essentially the same as example 1, except that: collection excrement storehouse 1 is including the sieve 11 that is located the pan feeding mouth for large fragment debris in the screen removal animal manure, is located the moisture tester 12 of 1 inside in collection excrement storehouse, is used for monitoring animal manure moisture content, is located the charging tank 13 of 1 top in collection excrement storehouse, is used for adjusting animal manure moisture content, is located the agitating unit 14 of 1 inside in collection excrement storehouse, is used for stirring excrement and urine.

Experimental example 1:

feces were collected and treated using the feces collection chamber 1 of the apparatus provided in example 1 and example 2, respectively. The results were: in the embodiment 1, the manure collecting bin 1 without the sieve plate 11 has the problem that foreign matters in the manure block the equipment, and the moisture content of the manure cannot be adjusted, so that the manure pile in the aerobic fermentation bin 2 is difficult to form; and the sieve 11 can be removed the foreign matter screening among the embodiment 2, and the excrement and urine moisture content can be adjusted again to the reinforced jar 13.

And (4) conclusion: set up sieve 11, moisture meter 12, charging tank 13 and agitating unit 14 in album excrement storehouse 1, not only can avoid in the excrement and urine foreign matter to cause the influence to the equipment operation, can adjust excrement and urine moisture content again, the subsequent processing of being convenient for.

Example 3:

example 3 is essentially the same as example 1, except that: the stacking device 21 comprises a storage hopper 211 positioned above the aerobic fermentation bin 2 and a quantitative conveyor 212 connected to the lower end of the storage hopper 211, and is used for feeding and monitoring the feeding amount, a track 213 positioned at the top in the aerobic fermentation bin 2, a stacking groove 214 slidably arranged on the track 213 through a bearing arm 2141, the stacking groove 214 is communicated with the quantitative conveyor 212, and is used for stacking livestock and poultry manure in the storage hopper 211 into a long manure pile in the aerobic fermentation bin 2, and the bearing arm 2141 is connected with the stacking groove 214 through a hydraulic telescopic rod 2142 and is used for controlling the lifting of the stacking groove 214, as shown in fig. 2.

Experimental example 2:

the stacking of faeces was carried out using the palletizing device 21 of the apparatus provided in example 1 and example 3, respectively. The results were: the stacking time of one manure pile of the stacking device 21 in the embodiment 1 is 54 min; and in the embodiment 3, the 21-yard manure pile with the same specification and size needs only 13 min.

And (4) conclusion: using the palletizing apparatus of example 3, the palletizing time was significantly reduced.

Example 4: example 4 is substantially the same as example 3, except that a stirring device 2143 for stirring the manure pile is provided inside the stacking trough 214 of the stacking device 21, as shown in fig. 2.

Experimental example 3: feces stacking was performed using the palletizing apparatus of the equipment provided in example 1, example 3 and example 4, respectively. The results were: the manure piles piled by the piling device 21 in the embodiment 1 and the embodiment 3 are in a shape of long-strip piles with two low sides and high middle, and are not regular, and the stirring operation in the aerobic fermentation process of the manure piles can be finished only by manpower or other machines; in the embodiment 4, the manure pile piled by the piling device 21 is in a regular long-strip pile shape, and the stirring operation in the aerobic fermentation process can be directly completed by the stirring device 2143.

And (4) conclusion: the stacking device in embodiment 4 has regular stacking shape, fully utilizes the space in the stacking groove, can directly stir, does not need extra manpower and machinery, and saves manpower and material resources.

Example 5: example 5 is essentially the same as example 1, except that: the aerobic fermentation bin 2 further comprises: the heat exchange device 23 is located inside, and the heat release end of the heat exchange device 23 is communicated with the inside of the biogas slurry collecting tank 32, so that heat generated in the aerobic fermentation bin 2 is transmitted to the biogas slurry collecting tank 32, and the biogas slurry is heated and then sprayed into the anaerobic reaction bin 3 through the spraying device 34, so that the number and the propagation speed of methane flora in the fermentation product are improved.

Experimental example 4: the influence of the heat exchange device 23 on the overall operation energy consumption of the equipment is verified.

The experimental conditions are as follows: a heating device is arranged on the biogas slurry collecting tank 32 in the embodiment 1, and the biogas slurry is heated and then sprayed into the anaerobic reaction bin 3 through a spraying device 34;

in example 5, heat generated in the aerobic fermentation bin 2 is transferred to the biogas slurry collection tank 32 by using the heat exchange device 23, and the biogas slurry is heated and then sprayed into the anaerobic reaction bin 3 by the spraying device 34;

and respectively counting the cost and the power consumption of the heating device and the heat exchange device.

As a result: the cost and energy consumption of the equipment of example 1 and example 5 are shown in table 1:

TABLE 1 cost and power consumption table for heating device and heat exchange device

And (4) conclusion: the heat exchange device used in the embodiment 5 has low cost, consumes no electric energy and has low maintenance cost, and although the energy conversion rate is lower than that of the heating device, the heat generated by aerobic fermentation in the aerobic fermentation bin is utilized due to no consumption of electric energy, so the heat exchange device is economic and environment-friendly.

Example 6: example 5 is essentially the same as example 1, except that: the exhaust ports of the manure collecting bin 1 and the aerobic fermentation bin 2 are respectively connected with a methane treatment device 41.

Experimental example 5:

the experimental conditions are as follows:

directly discharging the air outlets of the manure collecting bin 1 and the aerobic fermentation bin 2 of the equipment in the embodiment 1 into the air;

the air outlets of the manure collecting bin 1 and the aerobic fermentation bin 2 of the device in the embodiment 5 are respectively connected with a methane treatment device 41.

As a result: while the embodiment 1 directly discharges air to cause air pollution and corrode the appearance of equipment, the embodiment 5 discharges the discharged gas after treating, thereby being green and environment-friendly.

And (4) conclusion: in the embodiment 6, the exhaust ports of the manure collecting bin and the aerobic fermentation bin are connected with the methane treatment device, so that the discharged gas is prevented from polluting the air, and the environment-friendly discharge is achieved.

Example 7: example 7 is essentially the same as example 1, except that:

the excrement collecting bin 1 comprises a sieve plate 11 positioned at a feeding hole and used for sieving and removing large sundries in the livestock and poultry excrement, a moisture tester 12 positioned inside the excrement collecting bin 1 and used for monitoring the moisture content of the livestock and poultry excrement, a feeding tank 13 positioned above the excrement collecting bin 1 and used for adjusting the moisture content of the livestock and poultry excrement, and a stirring device 14 positioned inside the excrement collecting bin 1 and used for stirring the excrement;

the stacking device 21 comprises a storage hopper 211 positioned above the aerobic fermentation bin 2 and a quantitative conveyor 212 connected to the lower end of the storage hopper 211 and used for feeding and monitoring feeding amount, a track 213 positioned at the top in the aerobic fermentation bin 2 and a stacking groove 214 slidably arranged on the track 213 through a bearing arm 2141, wherein the stacking groove 214 is communicated with the quantitative conveyor 212 and used for stacking livestock and poultry manure in the storage hopper 211 into a long manure pile in the aerobic fermentation bin 2, and the bearing arm 2141 is connected with the stacking groove 214 through a hydraulic telescopic rod 2142 and used for controlling the lifting of the stacking groove 214;

a stirring device 2143 for stirring the manure pile is arranged in the stacking groove 214 of the stacking device 21;

the aerobic fermentation bin 2 further comprises: the heat exchange device 23 is positioned inside, the heat release end of the heat exchange device 23 is communicated with the inside of the biogas slurry collecting tank 32, and is used for transmitting heat generated in the aerobic fermentation bin 2 into the biogas slurry collecting tank 32, heating biogas slurry and spraying the biogas slurry into the anaerobic reaction bin 3 through the spraying device 34, so that the number and the propagation speed of methane flora in the fermentation product are improved;

the exhaust ports of the manure collecting bin 1 and the aerobic fermentation bin 2 are respectively connected with a methane treatment device 41.

The working method of example 7 is: livestock manure in a farm is screened by a sieve plate 11 to remove large sundries and then enters an manure collecting bin 1, a moisture tester 12 monitors the moisture content of the livestock manure, a control box 6 controls a feeding tank 13 to add dry materials into the manure collecting bin 1 to adjust the moisture content of the livestock manure, a stirring device 14 continuously stirs the livestock manure in the adding process, the livestock manure is lifted into a storage hopper 211 of an aerobic fermentation bin 2 by a feeding machine after the adjustment is finished, a stacking tank 214 is moved to a proper position on a rail 213 by a bearing arm 2141, a hydraulic telescopic rod 2142 places the stacking tank 214 on the bottom surface of the aerobic fermentation bin 2, a quantitative conveyor 212 is opened to convey the livestock manure in the storage hopper 211 into the stacking tank 214, a stirring device 2143 continuously stirs the livestock manure in the conveying process to enable the livestock manure to grow into a strip-shaped manure pile on the bottom surface of the aerobic fermentation bin 2 to perform aerobic fermentation, a ventilation device 22 continuously ventilates the fermentation process, after aerobic fermentation is finished, the livestock manure is lifted into the anaerobic reaction bin 3 through a feeding machine, a differential motor 312 of a solid-liquid separation device 31 periodically rotates forwards and backwards at regular time to drive a conveyor belt 311 to reciprocate, the livestock manure is turned over on the conveyor belt 311 under the action of gravity, biogas slurry contained in the livestock manure flows into a biogas slurry collecting tank 32 through a sieve mesh, the livestock manure can generate a large amount of heat in the aerobic fermentation process, the heat is collected through a heat absorption end of a heat exchange device 23 arranged on the inner wall of the aerobic fermentation bin 3, then the biogas slurry in the biogas slurry collecting tank 32 is heated through a heat release end of the heat exchange device 23, the heated biogas slurry is lifted to a spraying device 34 through a lifting pump 33 and is sprayed onto the livestock manure in the anaerobic reaction bin 3, the number and the propagation speed of methane flora in the fermented livestock manure are improved, and after the anaerobic reaction is finished, the biogas residues enter a fertilizer preparation device 5 to be dried and granulated to prepare organic fertilizer, and the generated biogas enters a biogas collection device 4 after being dehydrated, dedusted and desulfurized by a biogas treatment device 41 and is used for power generation and gas supply.

Experimental example 6: feces were treated by using the apparatuses provided in examples 1 and 7, respectively, and the treatment effects thereof were comprehensively analyzed.

As a result: example 1 provides the case where foreign matter stuck to the apparatus, the shape of the pile was irregular, and the air was polluted by the exhaust gas when the apparatus was treating excrements, while example 7 provides the case where the above-mentioned case did not occur during the treatment of excrements by the apparatus;

and, embodiment 7 provides the equipment operating time short than embodiment 1 provides the equipment operating time, and the specific difference is during the pile up neatly device work, and embodiment 7 provides the equipment and does not need additionally to increase heating device, and is with low costs, the energy consumption is low.

And (4) conclusion: the equipment provided by the embodiment 7 has the advantages of low cost and energy consumption, short running time, labor saving, good treatment effect and environmental protection.