CN107549019A - A kind of environmental protection pig house - Google Patents

Abstract

The present invention discloses a kind of environmental protection pig house, it is related to technical field of agricultural breeding, including passageway and several pigsties for being arranged on passageway side, provided with feeding trough and the spray equipment being arranged on below the feeding trough in pigsty, pigsty ground is provided with sewage draining exit, sewage draining exit connects with blow-off pipe, blow-off pipe connects a sewage-treatment plant by outlet, the sewage-treatment plant is including being sequentially connected every slag bath, pretreatment pool and fermentation vat, outlet connection is described every slag bath, it is described every the grid for being provided for intercepting solid pollutant in slag bath below the outlet, the grid offers the first delivery port for connecting the pretreatment pool away from the outlet side；Agitating device and the second delivery port for connecting the fermentation vat are provided with pretreatment pool；Biogas hulling machine and slag-drip opening are provided with the fermentation vat.The present invention solves the problems, such as the swine manure treatment of plant, while solves the emission pollution problem of sewage, has a extensive future.

Description

An environmentally friendly pig house

technical field

The invention relates to the technical field of agricultural breeding, in particular to an environment-friendly pig house.

Background technique

In recent years, my country's livestock and poultry breeding industry has developed vigorously, gradually showing a trend of industrialization, scale and regionalization. Due to the difficulty in controlling the epidemic situation in large-scale livestock and poultry farms, the large amount of wastewater discharge, and the high concentration of pollutants, and my country's current The lack of attention and management to systematic farming methods has resulted in aquaculture sewage becoming one of the main sources of pollution in most regions and watersheds in my country.

In my country, serious environmental pollution and a large amount of waste of nitrogen and phosphorus resources are caused every year. Therefore, how to deal with farm sewage has become a major problem that plagues the development of enterprises. Farm sewage mainly includes urine, some feces and flushing water. It is a high-concentration organic sewage with a large content of suspended solids and ammonia nitrogen. After this untreated sewage enters natural water bodies, the content of solid suspended solids, organic matter and microorganisms in the water will increase. High, changing the physical, chemical and biological community composition of the water body, deteriorating the water quality, and wasting resources; and the sewage also contains a large number of pathogenic microorganisms that will spread through the water body or through aquatic animals and plants, endangering the health of humans and animals.

Therefore, it has high application significance to design an environment-friendly pig house and sewage treatment system, provide a safe and efficient breeding environment, and solve the sewage discharge problem.

Contents of the invention

The object of the present invention is to provide an environment-friendly pig house for the above problems, which not only provides a safe breeding environment, but also solves the problem of pig manure treatment and sewage discharge pollution. broad.

In order to achieve the above object, the technical solution adopted in the present invention is: an environment-friendly pig house, including aisle and several pigsties arranged on one side of the aisle, the pigsty is provided with a feeding trough and is arranged in the feeding trough. The spray device below the tank, the ground of the pigsty is provided with a sewage outlet, the sewage outlet is connected to the sewage pipe, and the sewage pipe is connected to a sewage treatment device through the outlet pipe, and the sewage treatment device includes successively connected partitions. A slag tank, a pretreatment tank and a fermentation tank, the outlet pipe is connected to the slag separation tank, and a grid for intercepting solid dirt is arranged below the outlet pipe in the slag separation tank, and the grid is away from the One side of the outlet pipe is provided with a first water outlet that communicates with the pretreatment tank; a stirring device and a second water outlet that communicates with the fermentation tank are provided in the pretreatment tank; biogas shell breaking devices and The slag discharge port, the biogas shell breaking device includes a motor, a drive shaft driven by the motor and extending into the fermentation tank, and a stirring blade arranged on the drive shaft.

Further, the fermentation tank is also connected with a biogas collection tank.

Further, the pretreatment tank includes a solid-liquid separation device, the solid-liquid separation device is provided with a liquid outlet and a solid impurity outlet, and the liquid outlet is connected to the second water outlet.

Further, the grid size of the grid is 18-25mm×18-25mm.

Further, a gate valve is provided on the blowdown pipe.

Further, the sewage discharge pipe is gradually lowered along its discharge direction, which is conducive to the discharge of waste water.

Further, an air vent is provided on the side wall of the pigsty.

Further, the wear-resistant and anti-corrosion layer and the heating layer are arranged sequentially from top to bottom in the ground of the pigsty.

Owing to adopting above-mentioned technical scheme, the present invention has following beneficial effect:

1. The pigsty of the environment-friendly pig house of the present invention is provided with a spray device and a sewage outlet, and high-pressure flushing through the spray device can flush waste such as feces in the pigsty into the sewage outlet, avoiding the need for farmers to clean up one by one. Cleaning the pigsty in the existing piggery saves a lot of manpower; the wear-resistant anti-corrosion layer and the heating layer arranged in sequence from top to bottom on the ground of the pigsty can avoid the humidity and low temperature caused by flushing, The ground can be dried quickly to avoid diseases and outbreaks.

2. The environment-friendly pig house of the present invention includes a sewage treatment device, and the sewage treatment device includes a slag separation tank, a pretreatment tank and a fermentation tank connected successively, and a grille is set below the outlet pipe in the slag separation tank, which can Larger solid pollutants in the aquaculture sewage will be removed to prevent the normal operation of the follow-up treatment from being affected; the wastewater discharged from the slag separation tank enters the pretreatment tank, and the pretreatment tank is equipped with a stirring device and a solid-liquid separation device to remove large fibrous substances , effectively reduce the concentration of wastewater, which is beneficial to the subsequent treatment of wastewater, and at the same time, its solid impurities can be reused for the production of organic fertilizers after being discharged; It is collected for productive projects such as heating, cooking and electricity generation.

Description of drawings

Fig. 1 is the structural representation of environment-friendly pig house of the present invention;

1-Aisle, 2-Pigsty, 21-Feeding trough, 22-Spray device, 23-Sewage outlet, 3-Sewage pipe, 31-Gate valve, 4-Outlet pipe, 5-Sewage treatment device, 6-Slag separation tank , 61-grid, 62-first water outlet, 7-pretreatment tank, 71-stirring device, 72-second water outlet, 73-solid-liquid separation device, 731-liquid outlet, 732-solid impurity outlet, 8-fermentation tank, 81-biogas shell breaking device, 811-electric motor, 812-drive shaft, 813-stirring blade, 82-slagging outlet, 9-biogas collection tank.

detailed description

The specific implementation of the invention will be further described below in conjunction with the accompanying drawings. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Figure 1, the present invention provides a kind of environment-friendly pig house, comprising aisle 1 and several pigsties 2 arranged on one side of the aisle, said pigsty 2 is provided with feeding trough 21 and is arranged on said feeding The spray device 22 below the tank 21, the ground of the pigsty 2 is provided with a sewage outlet 23, the sewage outlet 23 communicates with the sewage pipe 3, and the sewage pipe 3 communicates with a sewage treatment device 5 through the outlet pipe 4. The sewage treatment device 5 includes a slag separation tank 6, a pretreatment tank 7 and a fermentation tank 8 connected in sequence, the outlet pipe 4 communicates with the slag separation tank 6, and the slag separation tank 6 is below the outlet pipe 4 A grille 61 for intercepting solid dirt is provided, and the side of the grille 61 facing away from the outlet pipe 4 is provided with a first water outlet 62 communicating with the pretreatment pool 7; The stirring device 71 is connected with the second water outlet 72 of the fermentation tank 8; the fermentation tank 8 is provided with a biogas cracking device 81 and a slag discharge port 82, and the biogas cracking device 81 includes a motor 811, which is controlled by the The motor 811 drives and extends to a drive shaft 812 in the fermentation tank 8 and a stirring blade 813 arranged on the drive shaft 812 .

In this embodiment, the fermentation tank 8 is also connected to a biogas collection tank 9; the pretreatment tank 7 includes a solid-liquid separation device 73, and the solid-liquid separation device 73 is provided with a liquid outlet 731 and solid impurities Outlet 732, the liquid outlet 731 is connected to the second water outlet 72; the grid size of the grid 61 is 18-25mm×18-25mm; the sewage pipe 3 is provided with a gate valve 31; the sewage The pipe 3 gradually lowers along its discharge direction, which is beneficial to the discharge of waste water; a vent is opened on the side wall of the pigsty 2; a wear-resistant anti-corrosion layer and a heating layer are sequentially arranged in the ground of the pigsty 2 from top to bottom.

The use process of the present invention is:

Open the spray device 22 and carry out high-pressure flushing to flush the waste in the pigsty into the sewage outlet 23, avoiding the breeding personnel to clean the pigsty 2 in the existing piggery one by one, saving a lot of manpower; the pigsty 2. The heating layer inside the ground cooperates with the vents to dry the water on the ground of the pigsty 2 in a short time, which can avoid the humidity and low temperature brought by flushing, and can quickly dry the ground to avoid diseases and epidemics; The sewage is discharged to the sewage treatment device 5 through the sewage pipe 3 through the outlet pipe 4, the sewage enters the slag separation tank 6, removes larger solid pollutants in the aquaculture sewage through the grid 61, and the slag separation tank 6 discharges sewage Enter the pretreatment pool 7, which is equipped with a stirring device 71 and a solid-liquid separation device 73, which can remove large fibrous substances, effectively reduce the concentration of waste water, and facilitate the subsequent treatment of waste water. It can be used for reuse in the production of organic fertilizers. The waste water discharged from the pretreatment tank enters the fermentation tank. The fermentation tank 8 is equipped with a biogas shell breaking device 81 and a slag discharge port 82. The shell breaking device 81 can prevent scum in the fermentation tank The low biogas collection rate caused by crusting is a problem, and the biogas produced in the fermentation process is collected into the biogas collection tank 9, which can be used for production projects such as heating, cooking and power generation.

The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not intended to limit the scope of the patent application of the present invention. Based on the embodiments of the present invention, those of ordinary skill in the art have not made creative work All other embodiments obtained under the premise, or equivalent changes or modifications completed under the technical spirit suggested by the present invention shall all belong to the patent scope covered by the present invention.

Claims (8)

1. An environment-friendly pig house, comprising an aisle and several pigsties arranged on one side of the aisle, characterized in that, the pigsty is provided with a feeding trough and a spray device arranged below the feeding trough, so The ground of the pigsty is provided with a sewage outlet, and the sewage outlet is connected with a sewage pipe, and the sewage pipe is connected with a sewage treatment device through an outlet pipe, and the sewage treatment device includes a slag separation tank, a pretreatment tank and a fermentation tank connected in sequence. The outlet pipe is connected to the slag separation tank, and a grid for intercepting solid dirt is arranged below the outlet pipe in the slag separation tank, and a communication station is provided on the side of the grid away from the outlet pipe. The first water outlet of the pretreatment tank; the pretreatment tank is provided with a stirring device and the second water outlet connected to the fermentation tank; the fermentation tank is provided with a biogas shell breaking device and a slag discharge port, and the biogas breaking The shell device includes a motor, a drive shaft driven by the motor and extending into the fermentation tank, and a stirring blade provided on the drive shaft. 2. An environment-friendly pig house according to claim 1, characterized in that: the fermentation tank is also connected to a biogas collection tank. 3. A kind of environment-friendly pig house according to claim 1, characterized in that: said pretreatment tank comprises a solid-liquid separation device, said solid-liquid separation device is provided with a liquid outlet and a solid impurity outlet, so The liquid outlet is connected to the second water outlet. 4. The environment-friendly pig house according to claim 1, characterized in that: the grid size of the grid is 18-25mm×18-25mm. 5. The environment-friendly pig house according to claim 1, wherein a gate valve is arranged on the sewage pipe. 6 . The environment-friendly pig house according to claim 1 , characterized in that: the sewage pipe is gradually lowered along its discharge direction. 7 . 7. The environment-friendly pig house according to claim 1, characterized in that: a vent is opened on the side wall of the pig house. 8. The environment-friendly pig house according to claim 1, characterized in that: the wear-resistant and anti-corrosion layer and the heat-generating layer are sequentially arranged on the ground of the pigsty from top to bottom.