Cow manure fermentation device for cattle farm

Abstract

The utility model provides a cattle farm cow dung fermentation device which comprises a fermentation tank, a bottom air inlet assembly and a top air inlet assembly are arranged on the outer side of the fermentation tank, a plurality of temperature sensors are arranged on the outer side of the fermentation tank, and a stirring assembly for smashing dung is arranged on the outer side of the fermentation tank; the conveying assembly is arranged on the outer side of the fermentation tank and used for conveying waste gas, a biological box is arranged on the outer side of the conveying assembly, a spraying assembly for spraying the waste gas is arranged on the outer side of the biological box, and an exhaust pipe is arranged at the top of the biological box. The cow farm cow dung fermentation device provided by the utility model solves the problems that the fermentation tank needs to be communicated with the outside due to the fact that air needs to be input into the fermentation tank in the fermentation process of cow dung for microorganisms to carry out aerobic respiration and substances are converted, but the cow dung can generate polluting waste gas such as methane and the like in the fermentation process, the smell is unpleasant, and the fermentation effect is poor. And influence on the environment and climate can be caused.

Description

Technical Field

[0001] The utility model relates to the technical field of cow dung fermentation, in particular to a cow dung fermentation device for a cattle farm. Background Art

[0002] The cow dung fermentation device is a device that converts cow dung into organic fertilizer. Its working principle is to mix fresh cow dung with a certain proportion of water and other biomass (such as straw, corn stalks, etc.), decompose and transform it through the action of microorganisms to produce organic fertilizer.

[0003] During the fermentation process of cow dung, air needs to be input into the fermentation tank for microorganisms to perform aerobic respiration and transform substances. This requires the fermentation tank to be connected to the outside world. However, cow dung will produce polluting waste gases such as methane during fermentation, which not only has an unpleasant smell, but also has an impact on the environment and climate.

[0004] Therefore, it is necessary to provide a new cattle farm cow dung fermentation device to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cattle farm cow dung fermentation device which can purify waste gas.

[0006] The utility model provides a cow dung fermentation device for a cattle farm, comprising a fermentation tank, a bottom air inlet assembly and a top air inlet assembly are arranged on the outside of the fermentation tank, a plurality of temperature sensors are arranged on the outside of the fermentation tank, and a stirring assembly for breaking up dung is arranged on the outside of the fermentation tank;

[0007] A transmission component for transmitting waste gas is arranged outside the fermentation tank, a biological box is arranged outside the transmission component, a spray component for spraying waste gas is arranged outside the biological box, and an exhaust pipe is arranged on the top of the biological box.

[0008] As a cattle farm cow dung fermentation device provided by the utility model, preferably, the bottom air inlet assembly includes a bottom fan arranged on the outside of the fermentation tank, and a bottom air inlet pipe is arranged on the outside of the bottom fan.

[0009] As a cattle farm cow dung fermentation device provided by the utility model, preferably, the top air inlet assembly includes a top fan arranged on the outside of the fermentation tank, a top air inlet pipe is arranged on the outside of the top fan, and a check valve and a butterfly valve are arranged on the outside of the bottom air inlet pipe and the top air inlet pipe.

[0010] As a cattle farm cow dung fermentation device provided by the utility model, preferably, the transmission component includes an air supply pipe arranged on the outside of the fermentation tank, an exhaust fan is arranged on the outside of the air supply pipe, and an air outlet pipe is arranged on the outside of the exhaust fan.

[0011] As a cattle farm cow dung fermentation device provided by the utility model, preferably, the spray assembly includes a water tank arranged outside the biological box, two symmetrical water pumps are arranged outside the water tank, water pipes are arranged outside the water pumps, and spray pipes are arranged outside the water pipes.

[0012] As a cattle farm cow dung fermentation device provided by the utility model, preferably, the stirring assembly includes a motor arranged on the outside of the fermentation tank, the output end of the motor is provided with a connecting shaft, and the outside of the connecting shaft is provided with a stirring paddle.

[0013] As a cattle farm cow dung fermentation device provided by the utility model, preferably, a fixing seat is arranged at the bottom of the fermentation tank, and a ladder and a guardrail are arranged on the outside of the fermentation tank respectively.

[0014] As a cattle farm cow dung fermentation device provided by the utility model, preferably, an inspection ladder and an observation port are respectively provided on the outer side of the biological box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The cow dung fermentation device in the cattle farm uses a water pump to transport the spray water in the water tank to the spray pipe through the water pipe, and the waste gas is sprayed through the spray pipe. When the waste gas contacts with water, the pollutants in the waste gas are dissolved by the water, and the malodorous components in the aqueous solution are adsorbed by the microorganisms in the biological tank and transferred from the water to the microorganisms. The water is restored, and the adsorbed organic matter is taken into the microorganisms through biological transformation; the malodorous components entering the microbial cells are decomposed and utilized as nutrients, hydrocarbons and other organic components are oxidized and decomposed into carbon dioxide and water, and the sulfur-containing reducing components are oxidized into sulfur and discharged from the gas. The device is simple to operate, the treatment is thorough, and there is no secondary pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of the cow dung fermentation device for a cattle farm provided by the utility model;

[0018] Figure 2 Another perspective view of the fermentation tank in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure inside the biological box of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the stirring component in the utility model.

[0021] Numbers in the figure: 1. Fermentation tank; 2. Bottom air inlet assembly; 201. Bottom fan; 202. Bottom air inlet pipe; 3. Top air inlet assembly; 301. Top fan; 302. Top air inlet pipe; 4. Transmission assembly; 401. Air pipe; 402. Exhaust fan; 403. Exhaust pipe; 5. Biological box; 6. Spray assembly; 601. Water tank; 602. Water pump; 603. Water pipe; 604. Spray pipe; 7. Exhaust pipe; 8. Temperature sensor; 9. Stirring assembly; 901. Motor; 902. Coupling; 903. Stirring paddle; 10. Fixed seat; 11. Guardrail; 12. Ladder; 13. Maintenance ladder; 14. Observation port. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A schematic structural diagram of a preferred embodiment of the cow dung fermentation device for a cattle farm provided by the utility model; Figure 2 Another perspective view of the fermentation tank in the utility model; Figure 3 This is a schematic diagram of the structure inside the biological box of the utility model; Figure 4 The schematic diagram of the structure of the stirring assembly in the utility model. A cattle farm cow dung fermentation device comprises a fermentation tank 1, and a bottom air inlet assembly 2 and a top air inlet assembly 3 are arranged on the outside of the fermentation tank 1, and oxygen required by microorganisms is provided to the inside of the fermentation tank 1 by arranging the bottom air inlet assembly 2 and the top air inlet assembly 3; a plurality of temperature sensors 8 are arranged on the outside of the fermentation tank 1, and the temperature inside the fermentation tank 1 is mastered by arranging the temperature sensors 8; a stirring assembly 9 for breaking up feces is arranged on the outside of the fermentation tank 1, and the feces is stirred evenly by arranging the stirring assembly 9 to facilitate microbial fermentation; a transmission assembly 4 for transmitting waste gas is arranged on the outside of the fermentation tank 1, and a biological box 5 is arranged on the outside of the transmission assembly 4, and waste inside the fermentation tank 1 is transmitted to the biological box 5 by arranging the transmission assembly 4, and the biological box 5 contains microorganisms for treating waste gas; a spray assembly 6 for spraying waste gas is arranged on the outside of the biological box 5, and pollutants in the waste gas are degraded by arranging the spray assembly 6; an exhaust pipe 7 is arranged on the top of the biological box 5, and the purified air is discharged through the exhaust pipe 7, and a control valve is arranged on the exhaust pipe 7.

[0024] In the specific implementation process, Figure 2As shown, the bottom air inlet assembly 2 includes a bottom fan 201 arranged on the outside of the fermenter 1, the bottom fan 201 is installed on the side of the fermenter 1 through a mounting seat, a bottom air inlet pipe 202 is arranged on the outside of the bottom fan 201, one end of the bottom air inlet pipe 202 is connected with the bottom fan 201, and the other end is connected with the fermenter 1; the top air inlet assembly 3 includes a top fan 301 arranged on the outside of the fermenter 1, a top air inlet pipe 302 is arranged on the outside of the top fan 301, the top fan 301 is installed on the top of the fermenter 1 through a bracket, and is connected with the fermenter 1 through the top air inlet pipe 302; oxygen is added to the inside of the fermenter 1 through the top fan 301 and the bottom fan 201; a check valve and a butterfly valve are arranged on the outside of the bottom air inlet pipe 202 and the top air inlet pipe 302, the check valve is used to prevent the gas inside the fermenter 1 from flowing back, and the butterfly valve is used to control the gas flow.

[0025] The transmission component 4 includes an air pipe 401 arranged on the outside of the fermentation tank 1, and an exhaust fan 402 is arranged on the outside of the air pipe 401. One end of the air pipe 401 is connected to the exhaust port of the fermentation tank 1 by bolts, and the other end is connected to the air inlet of the exhaust fan 402. An air outlet pipe 403 is arranged on the outside of the exhaust fan 402, and the air outlet pipe 403 is connected to the exhaust port of the exhaust fan 402. The waste gas in the fermentation tank 1 is discharged through the exhaust fan 402 and the air pipe 401, and then discharged into the biological box 5 through the air outlet pipe 403.

[0026] The spray assembly 6 includes a water tank 601 disposed outside the biological box 5, the water tank 601 is welded to one side of the biological box 5, two symmetrical water pumps 602 are disposed outside the water tank 601, the water pumps 602 are fixed to the top of the water tank 601 by bolts and are connected to the water tank 601, a water delivery pipe 603 is disposed outside the water pump 602, a spray pipe 604 is disposed outside the water delivery pipe 603, and the spray pipe 604 is fixed to the top of the inner cavity of the biological box 5 by a ferrule. The spray water in the water tank 601 is transported to the spray pipe 604 through the water pump 602 through the water delivery pipe 603, and the waste gas is sprayed and treated through the spray pipe 604.

[0027] The stirring assembly 9 includes a motor 901 disposed on the outside of the fermentation tank 1, the motor 901 is fixed on the cover of the fermentation tank 1, a connecting shaft 902 is disposed at the output end of the motor 901, the connecting shaft 902 is mounted on the output end of the motor 901, a stirring paddle 903 is disposed on the outside of the connecting shaft 902, and the stirring paddle 903 is provided in three groups and is uniformly welded on the outside of the connecting shaft 902. The connecting shaft 902 is driven to rotate by the motor 901, and the stirring paddle 903 is driven to rotate by the connecting shaft 902, so as to stir the feces and improve the fermentation efficiency.

[0028] A fixing seat 10 is provided at the bottom of the fermentation tank 1, and the fixing seat 10 is welded to the bottom of the fermentation tank 1 to support and fix the fermentation tank 1. A ladder 12 and a guardrail 11 are respectively provided on the outside of the fermentation tank 1. The ladder 12 is welded to the side of the fermentation tank 1 to facilitate the user to reach the top of the fermentation tank 1 to feed materials. The guardrail 11 is welded to the top of the fermentation tank 1 to protect the staff.

[0029] An inspection ladder 13 and an observation port 14 are respectively provided on the outside of the biological box 5. The inspection ladder 13 is welded to the side of the biological box 5 to facilitate the staff to inspect and handle the top of the biological box 5. The observation port 14 is convenient for observing the working conditions inside the biological box 5.

[0030] The working principle of the cattle farm cow dung fermentation device provided by the utility model is as follows:

[0031] Cow dung is put into the fermentation tank 1 for fermentation. The motor 901 drives the shaft 902 to rotate, and the shaft 902 drives the stirring paddle 903 to rotate, so as to stir the dung and improve the fermentation efficiency. Oxygen is added to the fermentation tank 1 through the top fan 301 and the bottom fan 201 to provide aerobic respiration for the microorganisms to transform the substances. The exhaust gas in the fermentation tank 1 is discharged through the exhaust fan 402 and the air pipe 401, and then discharged into the biological box 5 through the outlet pipe 403. The spray water in the water tank 601 is transported to the spray tank 5 through the water pipe 603 by the water pump 602. Sprinkler pipe 604 is used to spray the waste gas. When the waste gas contacts water, the pollutants in the waste gas are dissolved by the water, and the malodorous components in the aqueous solution are adsorbed by the microorganisms in the biological box 5 and transferred from the water to the microorganisms. The water is restored, and the adsorbed organic matter is taken into the microorganisms through biological transformation. The malodorous components entering the microbial cells are decomposed and utilized as nutrients, hydrocarbons and other organic components are oxidized and decomposed into carbon dioxide and water, and sulfur-containing reducing components are oxidized into sulfur and discharged from the gas. The device is simple to operate, and the treatment is thorough without secondary pollution.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cattle farm cow dung fermentation device, characterized in that: include: A fermentation tank (1), wherein a bottom air inlet assembly (2) and a top air inlet assembly (3) are arranged on the outside of the fermentation tank (1), a plurality of temperature sensors (8) are arranged on the outside of the fermentation tank (1), and a stirring assembly (9) for breaking up feces is arranged on the outside of the fermentation tank (1); A transmission component (4) is arranged outside the fermentation tank (1) to transmit waste gas, a biological box (5) is arranged outside the transmission component (4), a spray component (6) for spraying waste gas is arranged outside the biological box (5), and an exhaust pipe (7) is arranged on the top of the biological box (5).

2. The cattle farm cow dung fermentation device according to claim 1, characterized in that: The bottom air inlet assembly (2) comprises a bottom fan (201) arranged outside the fermentation tank (1), and a bottom air inlet pipe (202) is arranged outside the bottom fan (201).

3. The cattle farm cow dung fermentation device according to claim 2, characterized in that: The top air inlet assembly (3) comprises a top fan (301) arranged on the outside of the fermentation tank (1), a top air inlet pipe (302) is arranged on the outside of the top fan (301), and a check valve and a butterfly valve are arranged on the outside of the bottom air inlet pipe (202) and the top air inlet pipe (302).

4. The cattle farm cow dung fermentation device according to claim 1, characterized in that: The transmission component (4) comprises an air supply pipe (401) arranged outside the fermentation tank (1), an exhaust fan (402) is arranged outside the air supply pipe (401), and an air outlet pipe (403) is arranged outside the exhaust fan (402).

5. The cattle farm cow dung fermentation device according to claim 1, characterized in that: The spray assembly (6) comprises a water tank (601) arranged outside the biological tank (5), two symmetrical water pumps (602) are arranged outside the water tank (601), a water pipe (603) is arranged outside the water pump (602), and a spray pipe (604) is arranged outside the water pipe (603).

6. The cattle farm cow dung fermentation device according to claim 1, characterized in that: The stirring assembly (9) comprises a motor (901) arranged outside the fermentation tank (1), the output end of the motor (901) is provided with a connecting shaft (902), and the outside of the connecting shaft (902) is provided with a stirring paddle (903).

7. The cattle farm cow dung fermentation device according to claim 1, characterized in that: A fixing seat (10) is arranged at the bottom of the fermentation tank (1), and a ladder (12) and a guardrail (11) are respectively arranged on the outside of the fermentation tank (1).

8. The cattle farm cow dung fermentation device according to claim 1, characterized in that: An inspection ladder (13) and an observation port (14) are respectively provided on the outside of the biological box (5).

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