CN116925894A - A complete fermentation biogas device - Google Patents

Abstract

The invention relates to the field of biogas processing, and particularly discloses a full-fermentation biogas device which comprises a fermentation unit, a conveying pipe, a mixed raw material box and a bracket; the fermentation unit is fixedly connected with a conveying pipe in a communicating way; the upper end of the conveying pipe is fixedly connected with a mixing raw material box; the lower end of the mixing raw material box is fixedly connected with a bracket; a spiral feeding auger is connected in a rotating way in the conveying pipe; a motor is fixedly connected to the tail end of the spiral feeding auger; the motor is fixedly connected to the side surface of the mixing raw material box; the liquid conveying part is connected with the existing septic tank, so that the liquid can be conveyed to enter the fermentation unit to ferment the straws, a large amount of straws are conveyed to enter the fermentation unit through the straw feeding part, so that the straws are fermented to generate biogas, and the straw feeding part is matched with the liquid conveying part, so that blockage is not easy to occur, the feeding is more convenient and difficult to block, and the problem that the existing straw feeding device is easy to block is solved.

Description

A complete fermentation biogas device

Technical field

The invention relates to the field of biogas processing, specifically a full fermentation biogas device.

Background technique

Biogas is a mixed gas generated by microbial fermentation of organic matter under anaerobic conditions. Biogas is a secondary energy source, so it can be produced artificially. Biogas can be burned to produce heat, so it has practical value.

The Chinese invention patent with the publication number CN113755308A disclosed a straw biogas feeding device and a straw biogas system on 2021-12-07, including a tank with a biogas outlet fixedly installed on the upper surface of the tank, and the outer wall of the tank A screw feeder is fixedly installed on the top of the tank. The screw feeder extends into the tank. A motor is fixedly installed on one end of the screw feeder away from the tank. A feed pipe is fixedly connected to the screw feeder. The feed pipe A feed trough is fixedly installed at the upper end of the pipe, and a nozzle is fixedly connected to one end of the screw feeder that extends into the tank. A high-pressure biogas slurry pump is fixedly installed on the outer wall of the tank, and is fixedly connected below the high-pressure biogas slurry pump. There is a water pumping pipe, and the upper end of the high-pressure biogas slurry pump is fixedly connected with a water outlet pipe. The water pumping pipe extends into the biogas slurry area in the tank, and the water outlet pipe extends into the inside of the nozzle; the invention has a simple structure and can avoid the use of raw materials. Then it accumulates at the feed port, which affects the feeding of straw. At the same time, the straw is evenly distributed after feeding, which increases the output of straw biogas.

However, the above-mentioned disclosed scheme has the following shortcomings: although the liquid inside the high-pressure biogas slurry pump cycle is injected into the lower end of the feed port to drive the straw in, thereby preventing clogging, in this way, the pressure of the liquid only acts on the lower end of the straw. , resulting in small force, resulting in poor anti-blocking effect, and blockage may still occur in the upper layer of the straw.

Contents of the invention

The purpose of this invention is to solve the problem that although the liquid inside the high-pressure biogas slurry pump cycle is injected into the lower end of the feed port to drive the straw in, thereby preventing clogging, in this way, the pressure of the liquid only acts on the lower end of the straw, resulting in a small force. As a result, the anti-blocking effect is not good, and the upper layer of the straw may still have technical problems of blockage. A fully fermented biogas device is provided.

In order to achieve the above object, the present invention adopts the following technical solutions to achieve it;

A full fermentation biogas device according to the present invention includes a fermentation unit, a conveying pipe, a mixed raw material box and a bracket; the fermentation unit is connected and fixed with a conveying pipe; the upper end of the conveying pipe is connected and fixed with a mixed raw material box; A bracket is fixedly connected to the lower end of the mixing raw material box; a spiral feeding auger is rotatably connected in the conveying pipe; a motor is fixed to the end of the spiral feeding auger; the motor is fixed to the side of the mixing raw material box ; The side of the mixed raw material box is connected and fixed with a liquid conveying part and a straw feeding part.

Further, the liquid transport part includes a biogas slurry cesspool, a water pump and a feeding pipe; the feeding pipe is connected and fixed on the mixed raw material box; the lower end of the feeding pipe is connected and connected to a water pump; the water pump Place it in the biogas slurry cesspool.

Further, the straw feeding part includes a fan, a straw feeding pipe, a sealing cover and a feeding pipe; a straw feeding pipe is connected and fixed to the mixed raw material box; the lower end of the straw feeding pipe is connected and fixed to A fan; a feeding pipe is connected and fixed to the straw feeding pipe; a sealing cover is detachably fixed to the upper end of the feeding pipe.

Further, the fermentation unit includes a fermentation tank, a slag discharge pipe, a slag discharge valve, a scum filter, an air storage pipe, an air guide pipe and an overflow pipe; the fermentation tank is connected and fixed at the lower end of the conveying pipe; the fermentation tank The lower end of the tank is connected with a slag discharge pipe; the slag discharge pipe is connected with a slag discharge valve; the upper end of the fermentation tank is connected with a gas storage pipe; the lower end of the gas storage pipe is connected with a scum filter The gas storage pipe is connected and fixedly connected with an air guide pipe; the upper end of the fermentation tank is connected and connected with an overflow pipe.

Further, a handle is fixedly connected to the feeding pipe; the straw feeding pipe is made of hard plastic; and a ladder is connected to the bracket.

A full fermentation biogas device provided by the invention has the following beneficial effects:

1. The present invention connects the existing septic tank through the liquid transport part, that is, the dung water can be transported into the fermentation unit to ferment the straw, and a large amount of straw can be transported into the fermentation unit through the straw feeding part, and the dung water can be crushed. The straw is sprayed and moistened in contact with each other, so that the straw is fermented to produce biogas. The straw feeding part cooperates with the liquid conveying part to prevent clogging, making the feeding more convenient and less likely to be clogged. The fully fermented biogas device makes the biogas raw materials available In the biogas slurry, all biogas raw materials are in contact with microorganisms and can be fermented at the same time. The volumetric gas production rate reaches the highest level under the same conditions. The fermentation unit can realize large feed and large discharge. It can fully feed the material at one time and the fermentation unit can produce gas. After completion, the biogas slurry can be discharged at one time, and continuous feeding and discharging of materials can be realized. After the biogas slurry and biogas residue are discharged on time and in quantity, new biogas raw materials can be fed in according to quantity, so that the gas production of each fermentation unit can be stable and continuous, making the operation It is more convenient and efficient, and solves the problem that the existing straw feeding device is easily blocked;

2. The present invention uses a water pump to transport dung water through a feeding pipe into the mixed raw material box, thereby driving the straw into the conveying pipe and being pushed by the spiral feeding auger into the fermentation tank to complete sealed fermentation. The dung water is used to drive the wet straw into The spiral feeding auger reduces the volume between straws and increases the density, making it convenient for the spiral feeding auger to transport and load materials, making it less likely to be blocked in the conveying pipe, making straw feeding faster and without clogging. , which solves the problem that the existing straw feeding device is easily blocked when conveying straw.

Description of the drawings

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings;

Figure 1 is a first isometric structural schematic diagram of the present invention;

Figure 2 is a second isometric structural schematic diagram of the present invention;

Figure 3 is a partial cross-sectional structural schematic diagram of the present invention.

Description of the numbers in the figure: 1. Fermentation tank; 2. Slag discharge pipe; 3. Slag discharge valve; 4. Scum filter; 6. Gas storage pipe; 7. Air guide pipe; 8. Overflow pipe; 9. Fan; 10 , Straw feeding pipe; 11. Spiral feeding auger; 12. Motor; 13. Mixed raw material box; 14. Biogas slurry cesspool; 15. Water pump; 16. Feeding pipe; 17. Bracket; 18. Conveying pipe; 19. Sealing cover; 20. Feeding pipe; 21. Ladder.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

It should be noted that all directional indications (such as up-down-left-right-front-back...) in the embodiments of the present invention are only used to explain the relationship between various components in a specific posture (as shown in the drawings). The relative position relationship - movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly. The connection may be a direct connection or an indirect connection.

Referring to Figures 1-3, a full fermentation biogas device includes a fermentation unit, a conveying pipe 18, a mixed raw material box 13 and a bracket 17; the fermentation unit is connected and fixedly connected with a conveying pipe 18; the conveying pipe 18 A mixed raw material box 13 is connected and fixed at the upper end; a bracket 17 is fixedly connected to the lower end of the mixed raw material box 13; a spiral feeding auger 11 is rotatably connected in the conveying pipe 18; the end of the spiral feeding auger 11 A motor 12 is fixedly connected; the motor 12 is fixedly connected to the side of the mixed raw material box 13; the side of the mixed raw material box 13 is connected and fixedly connected with a liquid conveying part and a straw feeding part; during operation, the liquid conveying part is connected to the machine. Some septic tanks can transport fecal water into the fermentation unit to ferment the straw. A large amount of straw is transported into the fermentation unit through the straw feeding part, so that the straw is fermented to produce biogas. The straw feeding part cooperates with the liquid transportation part, making it less likely to be clogged, making feeding more convenient and less likely to be clogged, and solving the problem that the existing straw feeding device is prone to clogging.

The liquid transport part includes a biogas slurry tank 14, a water pump 15 and a feeding pipe 16; the feeding pipe 16 is connected and fixed on the mixed raw material box 13; the lower end of the feeding pipe 16 is connected and fixed with a water pump 15 ; The water pump 15 is placed in the biogas slurry cesspool 14; when working, the dung water is transported by the water pump 15 and enters the mixed raw material box 13 through the feeding pipe 16, thereby driving the straw into the conveying pipe 18 and being spirally fed by the auger 11 It is pushed into the fermentation tank 1 to complete the sealed fermentation, and the manure is used to drive the straw into the spiral feeding auger 11, and the volume between the straws is reduced, thereby making it convenient for the spiral feeding auger 11 to transport and feed, making it not easy The blockage in the conveying pipe 18 makes the straw feeding faster and non-clogging, and solves the problem that the existing straw feeding device is easy to block when conveying straw.

The straw feeding part includes a fan 9, a straw feeding pipe 10, a sealing cover 19 and a feeding pipe 20; the mixed raw material box 13 is connected and fixed with a straw feeding pipe 10; the lower end of the straw feeding pipe 10 A fan 9 is connected and fixedly connected; a feeding pipe 20 is connected and fixed on the straw feeding pipe 10; a sealing cover 19 is detachably fixed on the upper end of the feeding pipe 20; during operation, the straw feeding is exposed by opening the sealing cover 19 The inside of the tube 10 and the straw feeding tube 10 are driven by the fan 9 to generate high-speed airflow. At this time, a small amount of straw is continuously put into the feeding tube 20 and enters the straw feeding tube 10, thereby being pushed smoothly by the high-speed airflow. The straw feeding pipe 10 enters the mixed raw material box 13, thereby completing fast feeding without manual climbing, which improves efficiency and makes it safer.

The fermentation unit includes a fermentation tank 1, a slag discharge pipe 2, a slag discharge valve 3, a scum filter 4, an air storage pipe 6, an air guide pipe 7 and an overflow pipe 8; the fermentation tank 1 is connected and fixed to a conveying pipe 18 the lower end of the fermentation tank 1; the lower end of the fermentation tank 1 is connected and fixed with a slag discharge pipe 2; the slag discharge pipe 2 is connected and fixed with a slag discharge valve 3; the upper end of the fermentation tank 1 is connected and fixed with a gas storage pipe 6; The lower end of the gas storage pipe 6 is connected with a scum filter 4; the gas storage pipe 6 is connected with an air guide pipe 7; the upper end of the fermentation tank 1 is connected with an overflow pipe 8; during operation, through The fermentation tank 1, the slag discharge pipe 2, the slag discharge valve 3, the scum filter 4, the air storage pipe 6, the air guide pipe 7 and the overflow pipe 8 constitute a fermentation device, so that the straw can be fully fermented to produce biogas and can be smoothly The gas is collected and utilized through the gas storage pipe 6 and the air guide pipe 7. The upper end of the overflow pipe 8 is flush with the top of the fermentation unit, so that the biogas raw materials are all in the biogas liquid to ensure full fermentation.

A handle is fixedly connected to the feeding pipe 20; the straw feeding pipe 10 is made of hard plastic; a ladder 21 is connected to the bracket 17; during operation, the straw feeding pipe made of hard plastic 10. The corner positions are all transitioned through elbow pipes, so that when transporting straw, the friction resistance is small, and the straw can be smoothly transported to complete the feeding. The feeding pipe 20 can be easily held and opened by the handle, so that it is convenient to put in the straw and use it; through The ladder 21 is convenient for manual up and down inspection and installation.

Using the above scheme, when used with large-scale biogas tanks in the all-dry fermentation process, this feeding device can quickly transport raw materials into the biogas tank for fermentation, thereby avoiding the danger and inefficiency of manual climbing, because the current Some large-scale biogas tanks are more than 20 meters long, more than 10 meters high, and have a volume of 5,000 to 7,000 cubic meters. Therefore, climbing up and down is very dangerous. The traditional feeding equipment is also too heavy and inconvenient to use. The liquid conveying part is connected to the existing chemical tank. The manure tank can transport dung water into the fermentation unit to ferment the straw. A large amount of straw is transported into the fermentation unit through the straw feeding part, so that the straw is fermented to produce biogas. The straw feeding part cooperates with the liquid conveying part, so that It is less likely to be clogged, making feeding more convenient and less likely to clog, and solves the problem that the existing straw feeding device is easy to clog; the manure is transported through the water pump 15 and enters the mixed raw material box 13 through the feeding pipe 16, thereby driving the straw into The conveying pipe 18 is pushed by the spiral feeding auger 11 into the fermentation tank 1 to complete the sealed fermentation. The manure water is used to drive the straw into the spiral feeding auger 11, and the volume between the straws is reduced, thereby making the spiral feeding convenient. The auger 11 conveys and feeds materials, making it less likely to be blocked in the conveying pipe 18, making straw feeding faster and less clogging, solving the problem that the existing straw feeding device is easy to block when conveying straw; by opening the sealing cover 19 The inside of the straw feeding pipe 10 is exposed, and the inside of the straw feeding pipe 10 is driven by the fan 9 to generate high-speed airflow. At this time, a small amount of straw is continuously put into the feeding pipe 20 and enters the straw feeding pipe 10, thereby being The high-speed airflow pushes the straw feeding pipe 10 into the mixed raw material box 13, thereby completing rapid feeding without manual climbing, which improves efficiency and makes it safer; through the fermentation tank 1, the slag discharge pipe 2, and the slag discharge valve 3. The scum filter 4, air storage pipe 6, air guide pipe 7 and overflow pipe 8 form a fermentation device, so that the straw can be fully fermented to produce biogas, and can be smoothly collected and utilized through the air storage pipe 6 and the air guide pipe 7; The straw feeding pipe 10 is made of hard plastic, and the corner positions are all transitioned through elbows, so that when transporting the straw, the friction resistance is small, the straw can be smoothly transported to complete the feeding, and the feeding pipe can be easily held by the handle to open the feeding pipe 20, so that it is convenient to put in the straw for easy use; the ladder 21 is used to facilitate manual up and down inspection and installation.

In the description of this specification, reference to the terms "one embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the invention. in an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention.

Claims (5)

1. A full fermentation biogas device, characterized in that it includes a fermentation unit, a conveying pipe (18), a mixed raw material box (13) and a bracket (17); the fermentation unit is connected and fixed with a conveying pipe (18); The upper end of the conveying pipe (18) is connected with a mixed raw material box (13); the lower end of the mixed raw material box (13) is fixedly connected with a bracket (17); the conveying pipe (18) is rotatably connected with a spiral feeder. A feeding auger (11); a motor (12) is fixedly connected to the end of the spiral feeding auger (11); the motor (12) is fixed to the side of the mixed raw material box (13); the mixed raw material box The side of (13) is connected and fixed with a liquid conveying part and a straw feeding part. 2. The full fermentation biogas device according to claim 1, characterized in that: the liquid transport part includes a biogas slurry cesspool (14), a water pump (15) and a feeding pipe (16); the feeding pipe (16) 16) is connected and fixed to the mixed raw material box (13); the lower end of the feeding pipe (16) is connected and fixed to a water pump (15); the water pump (15) is placed in the biogas slurry and feces tank (14). 3. The full fermentation biogas device according to claim 2, characterized in that: the straw feeding part includes a fan (9), a straw feeding pipe (10), a sealing cover (19) and a feeding pipe (20); A straw feeding pipe (10) is connected and fixed to the mixed raw material box (13); a fan (9) is connected and connected to the lower end of the straw feeding pipe (10); the straw feeding pipe (10) A feeding pipe (20) is connected and fixed on the upper end; a sealing cover (19) is detachably fixed on the upper end of the feeding pipe (20). 4. The full fermentation biogas device according to claim 3, characterized in that: the fermentation unit includes a fermentation tank (1), a slag discharge pipe (2), a slag discharge valve (3), and a scum filter (4) , air storage pipe (6), air guide pipe (7) and overflow pipe (8); the fermentation tank (1) is connected and fixed at the lower end of the conveying pipe (18); the lower end of the fermentation tank (1) is connected and fixed. A slag discharge pipe (2) is connected; a slag discharge valve (3) is connected and fixed to the slag discharge pipe (2); a gas storage pipe (6) is connected and connected to the upper end of the fermentation tank (1); A scum filter (4) is fixedly connected to the lower end of the gas storage pipe (6); an air guide pipe (7) is connected and fixed to the gas storage pipe (6); and an overflow pipe (7) is connected and connected to the upper end of the fermentation tank (1). Flow tube (8). 5. The full fermentation biogas device according to claim 4, characterized in that: a handle is fixedly connected to the feeding pipe (20); the straw feeding pipe (10) is made of hard plastic; and the bracket (17) The upper socket is equipped with a climbing ladder (21).