CN215223786U

CN215223786U - A pig manure recycling system

Info

Publication number: CN215223786U
Application number: CN202120549917.2U
Authority: CN
Inventors: 王瑾; 王吉平; 卢铁东; 张野; 苏天明
Original assignee: Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
Current assignee: Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-21
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to the technical field of livestock breeding industry, and specifically discloses a pig manure recycling system, comprising a pig house, a manure treatment device and a crop planting area. The pig house includes a pig house layer and is located below the pig house layer. The manure collection layer is provided with a manure leakage board between the pig house layer and the manure collection layer, and the manure collection layer is provided with a manure collection tank; the manure treatment device includes a pretreatment tank, a fermentation tank, and a gas storage chamber. , Solid-liquid separator, compost bin, drip irrigation device. The pig-raising manure recycling system of the utility model collects manure through the manure collection tank, and then transfers the manure to the pretreatment tank for ingredients and mixing, so as to realize pretreatment before fermentation, and then sends the fermented material to fermentation. Biogas, biogas residue and biogas slurry are obtained by fermentation in the pond. The biogas enters the gas storage chamber and can be used for power generation. The biogas residue and biogas liquid are separated into the compost box and drip irrigation device, and applied to the crop planting area to realize the recycling of pig manure. reduce environmental pollution.

Description

Pig raising excrement recycling system

Technical Field

The utility model belongs to the technical field of the livestock breeding, in particular to dirty cyclic utilization system of pig raising excrement.

Background

With the rapid development of livestock breeding industry in China, the scale of the livestock farm is larger and larger, and the pig breeding industry is developing towards the direction of intensification, modernization and standardization at present. However, with the rapid development of the pig raising industry in China and the continuous enlargement of the scale of the swinery, the discharge amount of the pig manure is also increased rapidly, the pig manure as the excrement of the pigs has a lot of germs, and if the pig manure is not cleaned in time, the germs are easy to spread widely, so that the diseases of the pigs are easy to cause, and the health of the pigs is affected. The current common treatment modes are as follows: firstly, a large amount of pig manure is randomly accumulated on the roadside or the field and is exposed to the sun or invaded by rainwater, so that a sharp odor can be generated after a long time, the environment is seriously polluted, and certain trouble is caused to the life of people; secondly, the pig manure is directly introduced into crops for irrigation or directly discharged into rivers without treatment, and because a large number of pathogenic bacteria are often carried in the pig manure, great hidden danger of disease transmission exists, and a large amount of resources are lost and wasted. Therefore, the pig manure is effectively treated and reasonably recycled, and the method has important significance in the aspects of improving the environment of a farm, reducing the environmental pollution, improving the resource utilization rate and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dirty cyclic utilization system of pig manure collects the pig manure and pollutes, carries out preliminary treatment then fermentation to the manure and utilizes and realize the dirty cyclic utilization of pig manure, reduces the dirty pollution of pig manure, improves the pig farm environment, improves resource utilization.

In order to achieve the purpose, the utility model provides a pig raising excrement recycling system, including pig house, excrement treatment system, crop planting district, the pig house includes pig house layer, the excrement collection layer that is located pig house layer below, be equipped with the hourglass dropping board between pig house layer and the excrement collection layer, the excrement collection layer sets up the excrement collecting pit, the excrement collecting pit bottom is equipped with first export, first export is provided with the conveyer belt;

the fecal sewage treatment device comprises a pretreatment tank, a fermentation tank, a gas storage chamber, a solid-liquid separator, a compost box and a drip irrigation device, wherein the pretreatment tank comprises a tank body, a top cover, a stirrer and a gravity sensor, the bottom end of the side wall of the tank body is provided with a discharge hole, the top cover is matched and covered on the top of the tank body, the cover plate is provided with a feed hole and a feed inlet, and the gravity sensor (17) is arranged at the bottom in the tank body (14);

the conveyor belt is communicated with the feeding hole, and the discharging hole is communicated with the fermentation tank through a feeding pipe;

a cover plate is arranged at the top of the fermentation tank, the cover plate is provided with an air guide pipe, one end of the air guide pipe penetrates through the cover plate and leads to the inside of the fermentation tank, and the other end of the air guide pipe is connected with an air storage chamber; a second outlet is formed in the bottom of the fermentation tank and connected with a solid-liquid separator through a guide pipe, and a solid outlet of the solid-liquid separator is communicated with the compost bin through a pipeline;

the drip irrigation device comprises a water tank, wherein a liquid inlet pipe is arranged at the top of the water tank, a water outlet pipe is arranged on the side wall of the water tank, one end of the liquid inlet pipe extends into the water tank, and the other end of the liquid inlet pipe is connected with a liquid outlet of the solid-liquid separator; the water outlet pipe one end stretches into inside the second box, the water inlet of water pump is connected to the other end, the delivery port of water pump is connected and is driped irrigation the pipe, it is provided with a plurality of drippers to drip irrigation the pipe, the dripper distributes the crop planting district.

The utility model discloses an among the dirty cyclic utilization system of pig raising excrement, the excrement that produces in the pig house is dirty from leaking the excrement board and dropping to the dirty collecting pit of excrement, then carry the preliminary treatment in the preliminary treatment jar through the conveyer belt with the excrement is dirty, after gravity sensor in the preliminary treatment jar detected the dirty weight of excrement in the preliminary treatment jar and reachs a definite value, it is dirty to stop conveyer belt conveying excrement, add fermentation or other auxiliary materials through the charge door, the preparation of the dirty mixture of excrement of waiting to ferment is accomplished to the stirring mixing, carry out the preliminary treatment to the excrement and be favorable to follow-up fermentation to effectively go on. Then the mixture of the feces and the sewage to be fermented is conveyed to a fermentation tank through a feeding pipe for fermentation, and the methane generated by fermentation enters a gas storage chamber for storage and can be used for power generation, heating and the like; separating the remaining biogas residue and biogas slurry mixture through a solid-liquid separator, and allowing the biogas residue to enter a compost box to form a fertilizer which can be applied to a crop planting area; the biogas slurry enters the drip irrigation device and is used for carrying out drip irrigation on the crop planting area to meet the fertilizer requirement of the crop planting area, and the product planted in the crop planting area can be used for feeding pigs.

Preferably, among the dirty cyclic utilization system of above-mentioned pig raising excrement, the bottom surface of the dirty collecting pit of excrement is the inclined plane, first export setting is in the lower extreme, is convenient for clear up the excrement in the dirty collecting pit of excrement and dirt.

Preferably, in the pig raising excrement recycling system, a water inlet is formed in the top of the water tank and is connected with a water inlet pipe; the water tank lateral wall is equipped with the scale mark, the observation window is installed to the scale mark side, and the accessible inlet tube is added water and is adjusted natural pond liquid concentration, satisfies the crop and to the demand of natural pond liquid in different stages, can realize the liquid manure integration.

Preferably, in the pig raising excrement recycling system, the gas storage chamber is connected with a biogas power generation device, and the biogas power generation device is electrically connected with a power supply system of the pigsty. The biogas is used for power generation, and the power supply requirement of the pigsty is met.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a dirty cyclic utilization system of pig raising excrement will raise the dirty collection cyclic utilization of pig excrement, be favorable to reducing environmental pollution, improve the environment of raising of pig, make the pig raising excrement dirty obtain make full use of. In the pig raising excrement recycling system, the pretreatment tank is arranged, so that a mixture to be fermented is prepared to meet the fermentation requirement, and the subsequent fermentation efficiency and effect can be improved; biogas, biogas residues and biogas slurry are generated through fermentation in the fermentation tank, biogas power generation can be used for power supply of a pigsty, and biogas slurry and biogas residues are used as fertilizers for crop planting areas and are recycled on the spot, so that the transportation, manpower and other costs of remote utilization are saved.

Drawings

Fig. 1 is a schematic structural view of a pig raising excrement recycling system according to the utility model.

Description of the main reference numerals:

1-a pigsty, 2-a crop planting area, 3-a pigsty layer, 4-a dung leaking plate, 5-a dung collecting pool, 6-a first outlet, 7-a conveyor belt, 8-a pretreatment tank, 9-a fermentation tank, 10-an air storage chamber, 11-a solid-liquid separator, 12-a compost tank, 13-a drip irrigation device, 14-a tank body, 15-a top cover, 16-a stirrer, 17-a gravity sensor, 18-an inlet pipe, 19-a cover plate, 20-an air guide pipe, 21-a guide pipe, 22-a pipeline, 23-a water tank, 24-an inlet pipe, 25-an outlet pipe, 26-a water pump, 27-a drip irrigation pipe, 28-a water dropper and 29-an inlet pipe.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

As shown in figure 1, a dirty cyclic utilization system of pig manure raises, plant district 2 including pig house 1, the dirty processing apparatus of excrement, crop, pig house 1 sets up pig house layer 3 and the dirty collecting layer of excrement, and the dirty collecting layer of excrement is located pig house layer 3 below, is equipped with hourglass dropping board 4 between pig house layer 2 and the dirty collecting layer of excrement, and the dirty collecting layer of excrement sets up the dirty collecting pit of excrement 5, and the dirty collecting pit of excrement 5 bottom is equipped with

first export

6, and 6 departments of first export are provided with conveyer belt 7, and conveyer belt 7 is controlled by driving motor. The fecal sewage treatment device comprises a pretreatment tank 8, a fermentation tank 9, a gas storage chamber 10, a solid-liquid separator 11, a compost box 12 and a drip irrigation device 13, wherein the pretreatment tank 8 comprises a tank body 14, a top cover 15, a stirrer 16 and a gravity sensor 17, the bottom end of the side wall of the tank body 14 is provided with a discharge hole, the top cover 15 is covered on the top of the tank body 14 in a matching way, the top cover 15 is provided with a feed inlet and a feed inlet, the stirrer 16 comprises a stirring motor, a stirring shaft and stirring blades, the stirring motor is arranged on the top cover 15, one end of the stirring shaft is connected with the stirring motor, and the other end of the stirring shaft is connected with the stirring blades; the gravity sensor 17 is installed at the bottom inside the tank 14. The conveyor belt 7 is communicated with the feeding hole, and the feeding pipe 18 is communicated with the discharging hole and the fermentation tank 9. A cover plate 19 is covered on the top of the fermentation tank 9 in a matching way, an air guide pipe 20 is arranged on the cover plate 19, one end of the air guide pipe 20 penetrates through the cover plate 19 and leads to the fermentation tank 9, and the other end is connected with an air storage chamber 10; the side wall of the fermentation tank 9 is provided with a second outlet, the second outlet is connected with a feed inlet of the solid-liquid separator 11 through a conduit 21, and a solid outlet of the solid-liquid separator 11 is communicated with the compost box 12 through a pipeline 22. The drip irrigation device 13 comprises a water tank 23, a liquid inlet pipe 24, a water outlet pipe 25, a water pump 26, a drip irrigation pipe 27, a water dropper 28 and a water inlet pipe 29, wherein the liquid inlet pipe 24 is arranged at the top 23 of the water tank, one end of the liquid inlet pipe extends into the water tank 23, and the other end of the liquid inlet pipe is connected with a liquid outlet of the solid-liquid separator 11. The outlet pipe 25 sets up at water tank 23 lateral wall, and in one end stretched into water tank 23, the water inlet of water pump 26 was connected to the other end, and drip irrigation pipe 27 is connected to the delivery port of water pump 26, and drip irrigation pipe 27 is provided with a plurality of drippers 28, and drippers 28 distribute and are in crop planting district 2.

Furthermore, the bottom surface of the excrement collecting pool 5 is an inclined plane, and the first outlet 6 is positioned at the lowest position, so that excrement in the excrement collecting pool can be conveniently cleaned.

Further, 13 tops of water tank are equipped with the water inlet, and water inlet department connects

inlet tube

29, and 13 lateral walls of water tank are equipped with the scale mark, and the observation window is installed to the scale mark side, adds water through the inlet tube and adjusts natural pond liquid concentration, satisfies the crop demand to natural pond liquid in different stages, can realize the liquid manure integration.

Further, the gas storage chamber 10 is connected with a biogas power generation device, and the biogas power generation device is electrically connected with a power supply system of the pigsty. The biogas is used for power generation, so that the power supply requirement of the pigsty is met, and the purpose of recycling is achieved.

The working process of the pig raising excrement recycling system of the embodiment is as follows: the dirty collecting pit 5 of excrement falls from leaking the excrement board to the excrement of the excrement that produces in the pig house, then open driving motor and drive conveyer belt 7 and carry the excrement dirty transport and carry out the preliminary treatment in the preliminary treatment jar 8, after gravity sensor 17 in the preliminary treatment jar 8 detected the dirty weight of excrement in the preliminary treatment jar and reachd a definite value, stop conveyer belt 7 conveying excrement dirty, add fermentation or other auxiliary materials through the charge door and stir the batching, open 16 stirring of agitator and mix the preparation of accomplishing the dirty mixture of excrement of treating the fermentation, carry out the preliminary treatment to the excrement and be favorable to follow-up fermentation to go on effectively. Then the mixture of the feces and the sewage to be fermented is conveyed to a fermentation tank 9 through a feeding pipe 24 for fermentation, and the methane generated by fermentation enters a gas storage chamber 10 for storage and can be used for power generation, heat supply and the like; the remaining mixture of the biogas residues and the biogas slurry is separated by a solid-liquid separator 11, and the biogas residues enter a compost box 12 to form fertilizer which can be applied to a crop planting area 2; the biogas slurry enters the drip irrigation device 13 and is used for carrying out drip irrigation on the crop planting area 2 to meet the fertilizer requirement of the crop planting area 2, and the product planted in the crop planting area 2 can be used for feeding pigs, so that the harmlessness of pig raising excrement and the recycling of the pig raising excrement are realized, the environmental pollution is reduced, and the feeding environment is improved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A pig raising excrement recycling system comprises a pig house (1), an excrement treatment device and a crop planting area (2), and is characterized in that the pig house (1) comprises a pig house layer (3) and an excrement collecting layer located below the pig house layer, an excrement leakage plate (4) is arranged between the pig house layer (2) and the excrement collecting layer, the excrement collecting layer is provided with an excrement collecting pool (5), a first outlet (6) is formed in the bottom of the excrement collecting pool (5), and a conveying belt (7) is arranged at the position of the first outlet (6);

the excrement treatment device comprises a pretreatment tank (8), a fermentation tank (9), a gas storage chamber (10), a solid-liquid separator (11), a compost box (12) and a drip irrigation device (13), wherein the pretreatment tank (8) comprises a tank body (14), a top cover (15), a stirrer (16) and a gravity sensor (17), a discharge hole is formed in the bottom end of the side wall of the tank body (14), the top cover (15) is covered on the top of the tank body (14) in a matched mode, a feed inlet and a feed inlet are formed in the top cover (15), and the gravity sensor (17) is installed at the inner bottom of the tank body (14);

the conveyor belt (7) is communicated with the feeding hole, and the discharging hole is communicated with the fermentation tank (9) through a feeding pipe (18);

a cover plate (19) is arranged at the top of the fermentation tank (9), an air guide pipe (20) is arranged on the cover plate (19), one end of the air guide pipe (20) penetrates through the cover plate (19) and leads to the fermentation tank (9), and the other end of the air guide pipe is connected with the air storage chamber (10); a second outlet is formed in the side wall of the fermentation tank (9), the second outlet is connected with a solid-liquid separator (11) through a guide pipe (21), and a solid outlet of the solid-liquid separator (11) is communicated with the compost box (12) through a pipeline (22);

the drip irrigation device (13) comprises a water tank (23), a liquid inlet pipe (24) is arranged at the top of the water tank (23), a water outlet pipe (25) is arranged on the side wall of the water tank, one end of the liquid inlet pipe (24) extends into the water tank (23), and the other end of the liquid inlet pipe is connected with a liquid outlet of the solid-liquid separator (11); outlet pipe (25) one end stretches into inside water tank (23), the water inlet of water pump (26) is connected to the other end, drip irrigation pipe (27) is connected to the delivery port of water pump 26), drip irrigation pipe (27) are provided with a plurality of drippers (28), dripper (28) distribute in crop planting district (2).

2. The pig manure recycling system according to claim 1, wherein the bottom surface of the manure collecting tank (5) is an inclined surface, and the first outlet (6) is provided at the lowest position.

3. The pig raising manure recycling system according to claim 1, characterized in that a water inlet is arranged at the top of the water tank (13), and the water inlet is connected with a water inlet pipe (29); the water tank lateral wall is equipped with the scale mark, the observation window is installed to the scale mark side.

4. The pig raising manure recycling system according to claim 1, wherein the gas storage chamber (10) is connected with a biogas power generation device, and the biogas power generation device is electrically connected with a power supply system of the pig house.