CN202688319U - Methane tank with backflow type upper part - Google Patents

Abstract

The utility model discloses an upper reflux biogas digester, which comprises a gas storage fermentation room, a water pressure room and a biogas slurry storage room are arranged on one side of the gas storage fermentation room, a feeding pipe is arranged on one side of the gas storage fermentation room, and a gas storage fermentation room The upper part of the gas storage and fermentation room is provided with a gas delivery pipe, and one side of the gas storage fermentation room is provided with a discharge pipe 1. The lower end of the discharge pipe 1 communicates with the lower part of the gas storage fermentation room. An overflow pipe is provided, and a discharge pipe 2 is arranged on the shunt buffer room. One end of the discharge pipe 2 is connected with the discharge pipe 1, and the other end of the discharge pipe 2 extends out of the gap between the water pressure room and the biogas slurry storage room. The wall, the biogas slurry delivery pipe is set on the partition wall between the water pressure room and the biogas slurry storage room, and the connecting pipe is installed vertically under the water pressure room. The other end of the connecting pipe communicates with the upper part of the gas storage fermentation room. The upper backflow biogas digester can eliminate scum and crust, and is very convenient to use and manage.

Description

Upper backflow biogas digester

technical field

The utility model relates to a biogas pond, in particular to an upper backflow type biogas pond.

Background technique

Biogas is a combustible gas produced by microbial fermentation of organic matter in an anaerobic environment under certain conditions of temperature, humidity, and pH. A biogas digester is an anaerobic digestion device used to produce biogas. At present, the combination of biogas digesters with small farm yards and outdoor breeding habits has been well promoted in rural areas. However, during the gas production process of the biogas digester, problems such as poor feed-liquid circulation and scum crusting in the biogas digester often occur.

Utility model content

The purpose of the utility model is to overcome the shortcomings in the above-mentioned prior art and provide an upper backflow type biogas digester. The upper backflow biogas digester can eliminate scum and encrustation, is very convenient to use and manage, has a simple structure and low manufacturing cost, and is easy to popularize and use.

In order to achieve the above purpose, the technical solution adopted by the utility model is: the upper backflow biogas digester, which is characterized in that it includes a gas storage fermentation room arranged under the livestock greenhouse, and one side of the gas storage fermentation room is provided with Water pressure room and biogas slurry storage room, one side of the gas storage fermentation room is provided with a feed pipe for connecting the livestock greenhouse and the gas storage fermentation room, and the upper part of the gas storage fermentation room is provided with a skylight and a The skylight cover that closes the skylight, the upper part of the gas storage fermentation room is provided with a gas pipeline for outputting biogas in the gas storage fermentation room, one side of the gas storage fermentation room is located between the hydraulic room and the biogas slurry storage room A discharge pipe 1 is vertically arranged, the lower end of the discharge pipe 1 communicates with the lower part of the gas storage fermentation room, the upper part of the discharge pipe 1 is provided with a diversion buffer room, and the lower part of the discharge pipe 1 is provided with a The overflow pipe connected to the biogas slurry storage room, the second discharge pipe is arranged on the diversion buffer room and above the overflow pipe, and the second discharge pipe is along the length of the partition wall between the water pressure room and the biogas slurry storage room direction, one end of the discharge pipe 2 communicates with the discharge pipe 1, and the other end of the discharge pipe 2 protrudes from the partition wall between the water pressure room and the biogas slurry storage room, and the water pressure room and the biogas slurry storage room On the partition wall between the liquid storage rooms, there is a biogas slurry delivery pipe for feeding the biogas slurry in the biogas slurry storage room into the hydraulic room. The biogas slurry delivery pipe is located below the discharge pipe two, and the hydraulic room A connecting pipe for connecting the water pressure room and the upper part of the gas storage fermentation room is vertically arranged below. The upper part of the gas-storage fermentation room is connected, and a feces delivery pipe for communicating with the toilet septic tank and the feed pipe is arranged above the gas-storage fermentation room.

The above-mentioned upper backflow biogas digester is characterized in that: the connecting pipe includes a vertical pipe 1, a vertical pipe 2, a horizontal pipe 1 and a horizontal pipe 2, and the lower end of the vertical pipe 1 and the vertical pipe 2 pass through the horizontal pipe 2 One end of the first horizontal pipe communicates with the upper end of the second vertical pipe, the other end of the first horizontal pipe communicates with the upper part of the gas storage fermentation room, and the upper end of the first vertical pipe communicates with the water pressure room.

The above-mentioned upper reflux biogas digester is characterized in that: the inner wall of the upper part of the gas storage fermentation room is arc-shaped, and the end face of the end of the horizontal tube one away from the vertical tube two is in the same shape as the inner side wall of the gas storage fermentation room. adaptation.

The above-mentioned upper backflow biogas digester is characterized in that: a toilet is set between the biogas slurry storage room and the livestock greenhouse, and a wall for connecting the biogas slurry is provided on the partition wall between the toilet and the biogas slurry storage room. Flushing pipes for storage rooms and toilet septic tanks.

The above-mentioned upper reflux biogas digester is characterized in that: a feces delivery pipe for connecting the toilet septic tank and the feed pipe is arranged above the gas storage fermentation room.

The above-mentioned upper reflux biogas digester is characterized in that: the discharge pipe 1 and above the discharge pipe 2 are provided with a flushing pipe for flushing livestock warm sheds, one end of the flushing pipe is connected to the outlet Once the feed pipe is connected, the other end of the ring-washing pipe extends into the livestock greenhouse.

The above-mentioned upper reflux biogas digester is characterized in that: the gas storage fermentation room includes a cylindrical fermentation tank and a conical top cover located above the fermentation tank, the skylight is located at the center of the top cover, and the fermentation The bottom of the pool is vertically built with a swirl shell breaking wall, one side of the swirling shell breaking wall is connected to the inner side wall of the fermentation tank, the length of the swirl breaking shell wall is greater than the radius of the fermentation tank, and the horizontal The height of pipe one is higher than the height of the whirl flow shell breaking wall, and the upper part of the whirl flow breaking shell wall is built with cement bricks interlaced with the whirl flow breaking shell wall.

The above-mentioned upper reflux biogas digester is characterized in that: the wall of the swirl shell breaking is arc-shaped.

The above-mentioned upper reflux biogas digester is characterized in that: one end of the gas delivery pipe communicates with the gas storage and fermentation room, and the other end of the gas delivery pipe passes through the skylight cover and the side wall of the skylight in sequence.

The above-mentioned upper backflow biogas digester is characterized in that: a diversion baffle is rotatably arranged in the diversion buffer room, and a strip-shaped through hole is opened on the diversion baffle along its length direction.

Compared with the prior art, the utility model has the following advantages:

1. The utility model has simple structure, novel and reasonable design, and is easy to install.

2. The utility model connects the bottom of the water pressure room with the upper part of the gas storage and fermentation room by setting a "U"-shaped connecting pipe. When the fermentation material in the gas storage and fermentation room produces gas, the biogas pressure will reduce the biogas slurry From the discharge pipe to the biogas slurry storage room through the overflow pipe, the biogas slurry in the biogas slurry storage room enters the water pressure room through the biogas slurry delivery pipe after sedimentation. When using biogas, the biogas slurry in the water pressure room is connected along the The pipe returns to the upper part of the material liquid in the gas storage fermentation room, so as to transport the bacteria, wash and stir up and down, wet and settle the scum, eliminate the crust and safely exhaust the role.

3. The utility model is provided with a diversion buffer room, which is related to the height of the material liquid level in the gas storage fermentation room, the return height of the biogas slurry, the return flow rate and the safety exhaust pressure, and has a buffer discharge pipe to extract the biogas slurry According to the purpose, the feed liquid is diverted according to the purpose, the channel for separating the biogas slurry from the biogas residue, the biogas slurry enters the biogas slurry storage room and then to the hydraulic room when gas is produced, and the pasty biogas residue is removed from the discharge pipe.

4. The utility model arranges a toilet flushing pipe on the partition wall between the toilet and the biogas slurry storage room. When in use, the biogas slurry in the biogas slurry storage room enters the septic tank of the toilet through the toilet flushing pipe, so that the toilet can be cleaned. The septic tank is flushed, which saves water resources and ensures that the toilet is clean and hygienic.

5. The utility model is provided with a ring-washing pipe for flushing livestock greenhouses on the first discharge pipe and above the second discharge pipe. One end of the ring-washing pipe communicates with the first discharge pipe. The other end of the flushing pipe extends into the livestock greenhouse. When in use, the biogas slurry in the biogas slurry storage room enters the livestock greenhouse through the flushing pipe, which can clean the livestock greenhouse and ensure that the livestock The cleanliness and sanitation of the greenhouse.

6. The utility model has a compact layout, saves ground space, is simple to build, has stable performance, and has a wide range of applications. It can be built and used in high mountains, semi-alpine mountains and river areas.

To sum up, the utility model has simple structure, novel and reasonable design, high working reliability, long service life, can effectively eliminate scum and encrustation, is very convenient to use and manage, and has simple structure, low manufacturing cost, and is easy to popularize and use .

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

Fig. 1 is a schematic diagram of the planar structure of the utility model.

Fig. 2 is a schematic diagram of the connection relationship between the biogas slurry storage room and the water pressure room of the utility model.

Fig. 3 is a schematic diagram of the connection relationship between the diversion buffer room and the discharge pipe 1 of the present invention.

Fig. 4 is a sectional view along line A-A of Fig. 1 .

Fig. 5 is a B-B sectional view of Fig. 1 .

Fig. 6 is a schematic diagram of the connection relationship between the feed pipe and the gas storage fermentation of the present invention.

Fig. 7 is a schematic diagram of the positional relationship between the water pressure room, biogas slurry storage room, toilet, pig house and chicken house of the utility model.

Explanation of reference signs:

1—gas storage fermentation room; 1-1—fermentation tank; 1-2—top cover;

1-3—connecting channel; 2—toilet; 2-1—septic tank;

3—biogas slurry storage room; 4—water pressure room; 5—connecting pipe;

5-1—vertical tube one; 5-2—vertical tube two; 5-3—horizontal tube one;

5-4—horizontal tube two; 6—feeding pipe; 7—swirl flow breaking wall;

7-1—cement brick; 8—skylight cover; 9—pig house;

10—Fecal delivery pipe; 11—Toilet flushing pipe; 12—Drying platform;

13—chicken house; 14—air pipe; 15—outlet pipe one;

16—Ring ring pipe; 17—Overflow pipe; 18—Biogas slurry delivery pipe;

19—Outlet pipe two; 20—Split buffer room; 21—Split baffle;

22—warm shed.

Detailed ways

A kind of upper reflux biogas digester as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, comprising a gas storage fermentation room 1 arranged under the livestock warm shed house, said One side of the gas storage fermentation room 1 is provided with a water pressure room 4 and a biogas slurry storage room 3, and one side of the gas storage fermentation room 1 is provided with a feed pipe 6 for connecting the livestock greenhouse and the gas storage fermentation room 1 The upper part of the gas storage fermentation room 1 is provided with a skylight and the skylight cover 8 for closing the skylight, and the upper part of the gas storage fermentation room 1 is provided with a gas delivery pipe 14 for outputting methane in the gas storage fermentation room 1. On one side of the gas storage fermentation room 1 and between the hydraulic room 4 and the biogas slurry storage room 3, a discharge pipe 15 is vertically arranged, and the lower end of the discharge pipe 15 is connected to the lower part of the gas storage fermentation room 1. Connected, the lower part of the gas storage fermentation room 1 is provided with a connecting channel 1-3 communicating with the lower end of the discharge pipe one 15, and the upper part of the discharge pipe one 15 is provided with a diversion buffer room 20, and the diversion buffer room 20 The lower part of the bottom is provided with an overflow pipe 17 communicating with the biogas slurry storage room 3, and the discharge pipe 19 is arranged on the diversion buffer room 20 and above the overflow pipe 17, and the discharge pipe 19 is arranged along the water pressure The length direction of the partition wall between the room 4 and the biogas slurry storage room 3 extends, and one end of the second discharge pipe 19 communicates with the first discharge pipe 15, and the other end of the second discharge pipe 19 extends out of the hydraulic room 4 and The partition wall between the biogas slurry storage room 3, the partition wall between the hydraulic room 4 and the biogas slurry storage room 3 is provided with a biogas slurry for inputting the biogas slurry in the biogas slurry storage room 3 into the hydraulic room 4 Conveying pipe 18, the biogas slurry conveying pipe 18 is located below the discharge pipe 2 19, and a connecting pipe 5 for connecting the hydraulic chamber 4 and the upper part of the gas storage fermentation chamber 1 is vertically arranged below the hydraulic chamber 4, so The connecting pipe 5 is "U" shaped, one end of the connecting pipe 5 communicates with the water pressure room 4 , and the other end of the connecting pipe 5 communicates with the upper part of the gas storage fermentation room 1 .

As shown in Figure 5, the connecting pipe 5 includes a vertical pipe 5-1, a vertical pipe 2 5-2, a horizontal pipe 5-3 and a horizontal pipe 2 5-4, and the lower end of the vertical pipe 5-1 It communicates with the lower end of the vertical pipe two 5-2 through the horizontal pipe two 5-4, and one end of the horizontal pipe one 5-3 communicates with the upper end of the vertical pipe two 5-2, and the other end of the horizontal pipe one 5-3 It communicates with the upper part of the gas storage fermentation room 1, and the upper end of the standpipe one 5-1 communicates with the water pressure room 4.

In this embodiment, the upper backflow biogas digester connects the bottom of the water pressure room 4 with the upper part of the gas storage fermentation room 1 through the connecting pipe 5. The feed pipe 15 is pressed to the biogas slurry storage room 3 through the overflow pipe 17, and the biogas slurry in the biogas slurry storage room 3 enters the water pressure room 4 through the biogas slurry delivery pipe 18 after sedimentation. When biogas is used, the water pressure room 4 The biogas slurry flows back to the upper part of the material liquid in the gas storage fermentation room 1 along the "U"-shaped connecting pipe 5, so as to transport bacteria, wash and stir up and down, wet and settle scum, eliminate crusts and safely exhaust role. Wherein, the feeding pipe 6 is located at the corner of the activity place in the animal enclosure and away from the food trough, and the discharge pipe 15 is located at the activity place in the animal enclosure and away from the other corner of the food trough.

As shown in Figure 5, the inner side wall of the upper part of the gas storage fermentation room 1 is arc-shaped, and the end face of the horizontal tube 1 5-3 away from the vertical tube 2 5-2 is connected to the inner side wall of the gas storage fermentation room 1. The shape matches.

With reference to Fig. 1, Fig. 2 and Fig. 7, the toilet 2 is located between the biogas slurry storage room 3 and the livestock greenhouse, and the partition wall between the toilet 2 and the biogas slurry storage room 3 is provided with a The flushing pipe 11 of the liquid storage room 3 and the toilet 2 septic tank 2-1. When in use, the biogas slurry in the biogas slurry storage room 3 enters the septic tank 2-1 of the toilet 2 through the flushing pipe 11, thereby flushing the septic tank 2-1 of the toilet 2, saving water resources and ensuring that the toilet is clean health. A feces delivery pipe 10 for communicating with the septic tank 2 - 1 of the toilet 2 and the feed pipe 6 is arranged above the gas storage fermentation room 1 .

As shown in Figures 3 and 4, on the discharge pipe one 15 and above the discharge pipe two 19, a ring-washing pipe 16 for flushing livestock greenhouses is provided, and one end of the ring-washing pipe 16 is connected to The discharge pipe one 15 communicates, and the other end of the described flushing ring pipe 16 stretches into the livestock greenhouse. When in use, the biogas slurry in the biogas slurry storage room 3 enters the livestock greenhouse through the flushing pipe 16, and the livestock greenhouse can be cleaned to ensure the cleanliness of the livestock greenhouse.

As shown in Figures 1 and 5, the gas storage fermentation room 1 includes a cylindrical fermentation tank 1-1 and a conical top cover 1-2 located above the fermentation tank 1-1, and the skylight is located on the top. The center of the cover 1-2, the bottom of the fermentation tank 1-1 is vertically built with a swirl shell breaking wall 7, and one side of the swirling shell breaking wall 7 is connected to the inner side wall of the fermentation tank 1-1 , the length of the swirling shell-breaking wall 1 is greater than the radius of the fermentation tank 1-1, the height of the horizontal pipe 5-3 is higher than the height of the swirling shell-breaking wall 1, and the height of the swirling shell-breaking wall 7 The upper part is built with cement bricks 7-1 interlaced with the swirl broken shell wall 7. Preferably, the said swirling flow breaking wall 7 is arc-shaped. By setting the swirl shell breaking wall 1, the biogas slurry flowing into the gas storage fermentation room 1 from the horizontal pipe 5-3 falls on the swirling flow shell breaking wall 7 to produce lasing, thereby further improving the structure of breaking the scum shell with good results.

As shown in FIG. 4 and FIG. 7 , a drying platform 12 is arranged above the livestock greenhouse and the toilet 2 . By arranging the drying platform 12, a space for drying crops is provided for farmers, and the space is effectively utilized.

1 and 7, the livestock greenhouse includes a pig house 9 and a chicken house 13 above the pig house 9, and the gas storage fermentation room 1 is located below the pig house 9 and the toilet 2. The open-air place outside described pig house 9 and chicken house 13 is provided with warm shed 22, raises pigs through warm shed, not only promoted the development of aquaculture, also increased temperature for biogas pit, makes it can produce vigorously in cold winter gas.

As shown in FIG. 4 , one end of the air delivery pipe 14 communicates with the interior of the gas storage fermentation room 1 , and the other end of the air delivery pipe 14 passes through the skylight cover 8 and the side wall of the skylight in sequence.

Referring to FIG. 2 and FIG. 3 , a flow diversion baffle 21 is rotatably installed in the flow distribution buffer room 20 , and a strip-shaped through hole is opened on the flow distribution baffle 21 along its length direction.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (10)

1. The upper backflow biogas digester is characterized in that it includes a gas storage and fermentation room (1) arranged under the livestock greenhouse, and a water pressure room (4) is set on one side of the gas storage and fermentation room (1) and the biogas slurry storage room (3), the side of the gas storage fermentation room (1) is provided with a feed pipe (6) for connecting the livestock greenhouse and the gas storage fermentation room (1), and the gas storage fermentation room (1) The upper part of the room (1) is provided with a skylight and the skylight cover (8) for closing the skylight, and the upper part of the gas storage fermentation room (1) is provided with a gas transmission pipe (14) for outputting biogas in the gas storage fermentation room (1). ), one side of the gas storage fermentation room (1) and between the hydraulic pressure room (4) and the biogas slurry storage room (3) is vertically provided with a discharge pipe one (15), the discharge pipe The lower end of one (15) communicates with the lower part of the gas storage fermentation room (1), the upper part of the discharge pipe one (15) is provided with a diversion buffer room (20), and the lower part of the diversion buffer room (20) is provided with The overflow pipe (17) connected with the biogas slurry storage room (3), the discharge pipe two (19) is arranged on the diversion buffer room (20) and above the overflow pipe (17), the discharge pipe The second pipe (19) extends along the length direction of the partition wall between the water pressure room (4) and the biogas slurry storage room (3). One end of the second discharge pipe (19) communicates with the first discharge pipe (15). The other end of the discharge pipe 2 (19) protrudes from the partition wall between the water pressure room (4) and the biogas slurry storage room (3), and the water pressure room (4) and the biogas slurry storage room (3) There is a biogas slurry conveying pipe (18) for feeding the biogas slurry in the biogas slurry storage room (3) into the water pressure room (4) on the partition wall of the room. Below the water pressure room (4), a connecting pipe (5) for connecting the water pressure room (4) and the upper part of the gas storage fermentation room (1) is arranged vertically below the water pressure room (4). The connecting pipe (5) It is "U" shape, one end of the connecting pipe (5) communicates with the water pressure room (4), and the other end of the connecting pipe (5) communicates with the upper part of the gas storage fermentation room (1). 2. The upper backflow biogas digester according to claim 1, characterized in that: the connecting pipe (5) includes vertical pipe one (5-1), vertical pipe two (5-2), horizontal pipe one (5-2) -3) and the second horizontal pipe (5-4), the lower end of the first vertical pipe (5-1) and the lower end of the second vertical pipe (5-2) communicate through the second horizontal pipe (5-4), the horizontal One end of pipe one (5-3) communicates with the upper end of vertical pipe two (5-2), and the other end of horizontal pipe one (5-3) communicates with the upper part of the gas storage fermentation room (1). The upper end of pipe one (5-1) communicates with the water pressure room (4). 3. The upper backflow biogas digester according to claim 2, characterized in that: the upper inner wall of the gas storage fermentation room (1) is arc-shaped, and the first horizontal pipe (5-3) is far away from the vertical pipe The end face of one end of the two (5-2) is adapted to the shape of the inner wall of the gas storage fermentation room (1). 4. The upper backflow biogas digester according to claim 1, characterized in that: a toilet (2) is set between the biogas slurry storage room (3) and the livestock greenhouse, and the toilet (2) is connected to the A flushing pipe (11) for connecting the biogas slurry storage room (3) with the toilet (2) and the septic tank (2-1) is arranged on the partition wall between the biogas slurry storage rooms (3). 5. The upper backflow biogas digester according to claim 4, characterized in that: the gas storage fermentation room (1) is provided with a feed pipe for communicating with the toilet (2) septic tank (2-1) (6) Fecal tube (10). 6. The upper reflux biogas digester according to claim 1, characterized in that: on the first discharge pipe (15) and above the second discharge pipe (19), there is a water tank for flushing livestock greenhouses. The ring-washing pipe (16), one end of the ring-washing pipe (16) communicates with the discharge pipe one (15), and the other end of the ring-washing pipe (16) extends into the livestock greenhouse. 7. The upper reflux biogas digester according to claim 2, characterized in that: the gas storage fermentation room (1) includes a cylindrical fermentation tank (1-1) and is located above the fermentation tank (1-1). and a conical top cover (1-2), the skylight is located at the center of the top cover (1-2), and the bottom of the fermentation tank (1-1) is vertically built with a swirl broken shell wall ( 7), one side of the swirling wall (7) is connected to the inner wall of the fermentation tank (1-1), and the length of the swirl breaking wall (1) is longer than that of the fermentation tank (1-1) Radius, the height of the horizontal tube one (5-3) is higher than the height of the swirling shell breaking wall (1), and the upper part of the swirling breaking shell wall (7) is built with the swirl breaking shell wall (7 ) interlaced cement bricks (7-1). 8. The upper backflow biogas digester according to claim 7, characterized in that: the swirling shell breaking wall (7) is arc-shaped. 9. The upper reflux biogas digester according to claim 1, characterized in that: one end of the gas delivery pipe (14) communicates with the gas storage and fermentation room (1), and the other end of the gas delivery pipe (14) in turn Thread through the sunroof cover (8) and side walls of the sunroof. 10. The upper backflow biogas digester according to claim 1, characterized in that: a diversion baffle (21) is rotated in the diversion buffer room (20), and the diversion baffle (21) is along its length There are strip-shaped through holes in the direction.

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