Horizontal high-temperature anaerobic fermentation gas making device

By setting up a flow pipe in the anaerobic fermentation gas making device for heating and designing a stirring rod scraper to increase the contact area, the problem of reducing the metabolism rate of biogas bacteria in low temperature environments is solved, and the biogas yield and the cleanliness of the device are significantly improved.

CN222781513UActive Publication Date: 2025-04-22WUHAN FUND ENVIRONMENT PROTECTION
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Patent Information

Application Number
CN202421396541.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-22
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing anaerobic fermentation and gas production device reduces the metabolism rate of biogas bacteria under low temperature environments, resulting in a decrease in biogas production.

Method used

A horizontal high-temperature anaerobic fermentation and gas production device is designed. By setting a spiral flow pipe inside the tank body, hot water is used to heat the materials inside the tank body, so that the biogas bacteria are in a suitable temperature range, and the contact area between the sludge raw materials and biogas bacteria is increased through the design of the stirring rod and scraper.

Benefits of technology

It effectively improves the metabolism rate of biogas bacteria, reduces the interference of the external environment on the device work, significantly improves the production of biogas, and maintains the cleanliness of the inner wall of the tank.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of anaerobic fermentation devices, and particularly relates to a horizontal high-temperature anaerobic fermentation gas making device which comprises a tank body, the top of the tank body is communicated with a feeding hopper; the top of the tank body is communicated with a discharging hopper; the middle part of the tank body is communicated with a liquid inlet pipe; a water inlet pipe penetrates through the top of the tank body; a water outlet pipe penetrates through the bottom of the tank body; a water flowing pipe is arranged in the tank body; the water flowing pipe is of a spiral structure; the water flowing pipe is communicated with the water inlet pipe; the water flowing pipe is communicated with the water outlet pipe; the bottom of the tank body is connected with a liquid discharge pipe in a sliding manner; the liquid discharge pipe is of an L-shaped structure; by arranging the water flowing pipe, hot water can heat materials in the tank body when flowing in the water flowing pipe, so that biogas bacteria are in a proper environment temperature range, the interference of the external environment on the work of the device is reduced, the reaction speed of the biogas bacteria and sludge raw materials is accelerated, and the biogas yield of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the field of anaerobic fermentation devices, in particular to a horizontal high-temperature anaerobic fermentation gas production device. Background Art

[0002] Anaerobic fermentation is a biological process carried out in an oxygen-free environment, which mainly uses specific microorganisms to convert organic matter into energy and other valuable by-products. This process involves the metabolism and energy conversion of microorganisms. Through a series of complex biochemical reactions, organic matter is degraded into smaller molecules and biogas is produced.

[0003] Anaerobic fermentation technology has a wide range of applications, mainly including waste treatment, biomass energy production, organic wastewater treatment, and ecological agriculture.

[0004] Existing anaerobic fermentation gas production devices usually work in an external environment. It has been found in use observation that when the ambient temperature is below a certain range, the metabolic rate of biogas bacteria will be significantly reduced, which will reduce the reaction rate of biogas bacteria and raw materials, thereby reducing the biogas production of the device.

[0005] Therefore, in order to solve the above problems, a horizontal high-temperature anaerobic fermentation gas production device is proposed. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: a horizontal high-temperature anaerobic fermentation gas making device described in the utility model comprises a tank body; the top of the tank body is connected with a feed hopper; the top of the tank body is connected with a discharge hopper; the middle part of the tank body is connected with a liquid inlet pipe; the top of the tank body is connected with an air outlet pipe; the top of the tank body is provided with a water inlet pipe; the bottom of the tank body is provided with a water outlet pipe; a water flow pipe is provided inside the tank body; the water flow pipe is a spiral structure; the water flow pipe and the water inlet pipe are both in a communication relationship; the water flow pipe and the water outlet pipe are both in a communication relationship; the bottom of the tank body is slidably connected with a drain pipe; the drain pipe is an L-shaped structure; a plurality of circular holes are provided in the middle of the drain pipe; by providing the water flow pipe, hot water will heat the material inside the tank body when flowing inside the water flow pipe, so that the biogas bacteria are within a suitable environmental temperature range, reduce the interference of the external environment on the operation of the device, accelerate the reaction speed of the biogas bacteria and the sludge raw material, and increase the biogas output of the device.

[0008] Preferably, a motor is fixedly connected to the bottom of the tank body; a rotating shaft is fixedly connected to the output end of the motor; the rotating shaft and the tank body are arranged through and are rotatably connected; a plurality of stirring rods are fixedly connected to the middle of the rotating shaft; a scraper is fixedly connected to the middle of the stirring rod located at the bottom; when the stirring rod rotates, the sludge raw material and biogas bacteria inside the tank body are fully contacted, thereby increasing the contact area between the sludge raw material and biogas bacteria and accelerating the speed of the device to generate biogas. At the same time, the scraper is provided so that the scraper can clean the inner wall of the tank body when it moves, thereby reducing impurities attached to the inner wall of the tank body and improving the cleanliness of the inner wall of the tank body.

[0009] Preferably, a first fixing groove is opened in the middle of the scraper; a first connecting rod is fixedly connected to the middle of the first fixing groove; a plurality of sponges are rotatably connected to the middle of the first connecting rod; by arranging the sponges, the sponges will clean the inner wall of the tank body when they come into contact with the inner wall of the tank body, thereby increasing the contact area between the scraper and the tank body and enhancing the cleaning effect of the scraper on the tank body.

[0010] Preferably, a second fixing groove is opened in the middle of the scraper; a plurality of iron wires are fixedly connected to the middle of the second fixing groove; by arranging the iron wires, the iron wires will cut large pieces of sludge raw materials when moving, thereby increasing the surface area of ​​the sludge raw materials and further increasing the contact area between the sludge raw materials and the biogas bacteria.

[0011] Preferably, a plurality of cylinders are fixedly connected to the inner wall of the tank body; the cylinders are located at the top of the drain pipe; by setting the cylinders, the drain pipe is limited, reducing the interference effect of the drain pipe on the outlet pipe when it floats, so that the biogas can be discharged normally through the outlet pipe and collected.

[0012] Preferably, a plurality of elastic sheets are fixedly connected to the inner side wall of the tank body; the elastic sheets and the stirring rod are correspondingly arranged; a second connecting rod is fixedly connected to the inner side wall of the elastic sheet; an iron ball is fixedly connected to the end of the second connecting rod; when the stirring rod rotates, it will come into contact with the elastic sheet, and the elastic sheet will bend after being squeezed by the stirring rod, and the second connecting rod will approach the inner wall of the tank body as the elastic sheet bends, and when the second connecting rod moves, it will drive the iron ball to move together, and when the iron ball moves, it will come into contact with the inner wall of the tank body and knock it, thereby reducing impurities attached to the inner wall of the tank body.

[0013] Preferably, a rubber pad is fixedly connected to the middle of the iron ball; the rubber pad is located inside the elastic sheet; when the iron ball contacts the inner wall of the tank body, the rubber pad will also contact the inner wall of the tank body. Since the rubber pad is a flexible material, the rubber pad will absorb the impact on the iron ball when it contacts the tank body, thereby reducing damage to the inner wall of the tank body.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model discloses a horizontal high-temperature anaerobic fermentation gas production device, which heats the material inside the tank body when hot water flows inside the water pipe by setting a water flow pipe, so that the biogas bacteria are in a suitable environmental temperature range, reducing the interference of the external environment on the operation of the device, accelerating the reaction speed of the biogas bacteria and the sludge raw material, and increasing the biogas production of the device.

[0016] 2. The utility model describes a horizontal high-temperature anaerobic fermentation gas production device. When the stirring rod rotates, the sludge raw material and the biogas bacteria inside the tank body will be fully in contact, thereby increasing the contact area between the sludge raw material and the biogas bacteria and accelerating the speed of the device to generate biogas. At the same time, a scraper is provided to clean the inner wall of the tank body when the scraper moves, thereby reducing impurities attached to the inner wall of the tank body and improving the cleanliness of the inner wall of the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the main body of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the air outlet pipe in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the mid-flow water pipe of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the second fixing groove in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the rubber pad in the utility model.

[0023] In the figure: 1. tank body; 102. feed hopper; 103. liquid inlet pipe; 104. air outlet pipe; 105. discharge hopper; 106. water inlet pipe; 107. water flow pipe; 108. water outlet pipe; 109. liquid discharge pipe; 110. round hole; 2. motor; 22. rotating shaft; 23. stirring rod; 24. scraper; 3. first fixed groove; 32. first connecting rod; 33. sponge; 4. second fixed groove; 42. iron wire; 5. cylinder; 6. elastic sheet; 62. second connecting rod; 63. iron ball; 7. rubber pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Specific examples are given below.

[0026] See also Figures 1 to 3 As shown, a horizontal high-temperature anaerobic fermentation gas production device described in an embodiment of the utility model includes a tank body 1; the top of the tank body 1 is connected to a feed hopper 102; the top of the tank body 1 is connected to a discharge hopper 105; the middle of the tank body 1 is connected to a liquid inlet pipe 103; the top of the tank body 1 is connected to an outlet pipe 104; the top of the tank body 1 is provided with a water inlet pipe 106; the bottom of the tank body 1 is provided with a water outlet pipe 108; the inside of the tank body 1 is provided with a water flow pipe 107; the water flow pipe 107 is a spiral structure; the water flow pipe 107 and the water inlet pipe 106 are connected. The two are connected; the water pipe 107 and the water outlet pipe 108 are connected; the bottom of the tank body 1 is slidably connected with a drain pipe 109; the drain pipe 109 is an L-shaped structure; a plurality of circular holes 110 are opened in the middle of the drain pipe 109; when working, the sludge raw material and the biogas bacteria are poured into the tank body 1 through the feed hopper 102 and the liquid inlet pipe 103 respectively, and then the device is started. After the device is started, the tank body 1 will be in a closed and anaerobic state, and the outlet pipe 104 will be connected to the biogas collection device, and the drain pipe 109 will float along the tank body 1 with the liquid height and be at the height of the liquid surface. The sludge raw material and biogas bacteria will ferment inside the tank body 1 and generate biogas, and the biogas will enter the biogas collection device through the outlet pipe 104. At the same time, the staff can inject hot water into the water inlet pipe 106, and the water will enter the water flow pipe 107 through the water inlet pipe 106. When the heated water flows inside the water flow pipe 107, it will contact the solid-liquid mixture inside the tank body 1 and conduct heat, so that the working environment temperature inside the tank body 1 rises, and the reaction rate between the sludge raw material and the biogas bacteria is accelerated. When the biogas collection is completed, the discharge hopper 105 and the drainage pipe 109 can be opened to extract the material and drain the liquid. When the tube 109 is opened, the liquid inside the tank body 1 will enter the circular hole 110 and be discharged through the drain pipe 109, and the drain pipe 109 will slide along the tank body 1 as the liquid height changes. After the discharge hopper 105 is opened, the staff can draw out the solid waste inside the tank body 1 through the discharge hopper 105; by setting the water pipe 107, the hot water will heat the material inside the tank body 1 when flowing inside the water pipe 107, so that the biogas bacteria are within a suitable ambient temperature range, reducing the interference of the external environment on the operation of the device, accelerating the reaction speed of the biogas bacteria and the sludge raw materials, and increasing the biogas production of the device.

[0027] See also Figure 3 and Figure 4 As shown, a motor 2 is fixedly connected to the bottom of the tank body 1; a rotating shaft 22 is fixedly connected to the output end of the motor 2; the rotating shaft 22 and the tank body 1 are arranged through and are rotatably connected; a plurality of stirring rods 23 are fixedly connected to the middle of the rotating shaft 22; a scraper 24 is fixedly connected to the middle of the stirring rod 23 located at the bottom; after the device is started, the motor 2 will also be started, and after the motor 2 is started, the rotating shaft 22 will be rotated, and when the rotating shaft 22 rotates, the stirring rod 23 will be driven to rotate together, and when the stirring rod 23 rotates, it will contact the sludge raw material and biogas bacteria inside the tank body 1 and stir them, so that the contact surface between the sludge raw material and the biogas bacteria is When the stirring rod 23 rotates, the sludge raw material and the biogas bacteria in the tank body 1 are fully contacted, the contact area between the sludge raw material and the biogas bacteria is increased, and the speed of generating biogas by the device is accelerated. At the same time, the scraper 24 can be arranged to clean the inner wall of the tank body 1 when the scraper 24 moves, and the impurities attached to the inner wall of the tank body 1 are reduced, thereby improving the cleanliness of the inner wall of the tank body 1.

[0028] See also Figure 4 As shown, a first fixing groove 3 is opened in the middle of the scraper 24; a first connecting rod 32 is fixedly connected to the middle of the first fixing groove 3; a plurality of sponges 33 are rotatably connected to the middle of the first connecting rod 32; when the scraper 24 rotates, it will drive the first connecting rod 32 to move together, and when the first connecting rod 32 moves, it will also drive the sponge 33 to rotate together, and when the sponge 33 rotates, it will also come into contact with the bottom of the tank body 1, and when the sponge 33 contacts the inner wall of the tank body 1, the inner wall of the tank body 1 will be cleaned, further reducing impurities attached to the inner wall of the tank body 1; by providing the sponge 33, when the sponge 33 contacts the inner wall of the tank body 1, the inner wall of the tank body 1 will be cleaned, thereby increasing the contact area between the scraper 24 and the tank body 1 and enhancing the cleaning effect of the scraper 24 on the tank body 1.

[0029] See also Figure 4 As shown, a second fixing groove 4 is opened in the middle of the scraper 24; a plurality of iron wires 42 are fixedly connected in the middle of the second fixing groove 4; when the scraper 24 rotates, the iron wires 42 will be driven to rotate together, and when the iron wires 42 rotate, they will come into contact with the sludge raw materials inside the tank body 1, and the iron wires 42 will cut large pieces of sludge, reduce the size of the sludge blocks inside the tank body 1, and increase the contact area between the sludge raw materials and the biogas bacteria; by providing the iron wires 42, the iron wires 42 will cut large pieces of sludge raw materials when moving, increase the surface area of ​​the sludge raw materials, and further increase the contact area between the sludge raw materials and the biogas bacteria.

[0030] See also Figure 3 As shown, a plurality of cylinders 5 are fixedly connected to the inner wall of the tank body 1; the cylinders 5 are located at the top of the drain pipe 109; when the drain pipe 109 floats with the liquid surface, the drain pipe 109 will come into contact with the cylinders 5, and the cylinders 5 will limit the drain pipe 109 and stop it from floating, thereby reducing the interference effect of the drain pipe 109 on the outlet pipe 104 when it floats; by setting the cylinders 5, the cylinders 5 will limit the drain pipe 109, thereby reducing the interference effect of the drain pipe 109 on the outlet pipe 104 when it floats, so that the biogas can be discharged normally through the outlet pipe 104 and collected.

[0031] See also Figure 3 and Figure 5 As shown, the inner wall of the tank body 1 is fixed with a plurality of elastic sheets 6; the elastic sheets 6 and the stirring rod 23 are correspondingly arranged; the inner wall of the elastic sheet 6 is fixed with a second connecting rod 62; the end of the second connecting rod 62 is fixed with an iron ball 63; when the stirring rod 23 rotates, it will come into contact with the elastic sheet 6, and the elastic sheet 6 will bend after being squeezed by the stirring rod 23, and the second connecting rod 62 will approach the inner wall of the tank body 1 as the elastic sheet 6 bends, and when the second connecting rod 62 moves, it will drive the iron ball 63 to move together, and when the iron ball 63 moves, it will come into contact with the inner wall of the tank body 1 and knock it, thereby reducing impurities attached to the inner wall of the tank body 1.

[0032] See also Figure 5 As shown, a rubber pad 7 is fixedly connected to the middle of the iron ball 63; the rubber pad 7 is located inside the elastic sheet 6; when the iron ball 63 contacts the inner wall of the tank body 1, the rubber pad 7 will also contact the inner wall of the tank body 1. Because the rubber pad 7 is made of flexible material, the rubber pad 7 will absorb the impact of the iron ball 63 on the tank body 1 when it contacts the tank body 1, thereby reducing the damage to the inner wall of the tank body 1.

[0033] Working principle: Pour the sludge raw material and biogas bacteria into the tank body 1 through the feed hopper 102 and the liquid inlet pipe 103 respectively, and then start the device. After the device is started, the tank body 1 will be in a closed anaerobic state, and the outlet pipe 104 will be connected to the biogas collection device. The discharge pipe 109 will float along the tank body 1 with the liquid height and be at the height of the liquid surface. The sludge raw material and biogas bacteria will ferment inside the tank body 1 and generate biogas, and the biogas will enter the biogas collection device through the outlet pipe 104. At the same time, the staff can inject hot water into the water inlet pipe 106, and the water flow will enter the water flow pipe 107 through the water inlet pipe 106. When the heated water flows inside the water flow pipe 107 It will contact with the solid-liquid mixture inside the tank body 1 and generate heat conduction, so that the working environment temperature inside the tank body 1 rises, and the reaction rate between the sludge raw material and the biogas bacteria is accelerated. When the biogas collection is completed, the discharge hopper 105 and the drain pipe 109 can be opened to extract the material. After the drain pipe 109 is opened, the liquid inside the tank body 1 will enter the circular hole 110 and be discharged through the drain pipe 109, and the drain pipe 109 will slide along the tank body 1 as the liquid height changes. After the discharge hopper 105 is opened, the staff can extract the solid waste inside the tank body 1 through the discharge hopper 105; after the device is started, the motor 2 will also start, and after the motor 2 is started, the shaft 22 will rotate, and the shaft 2 2 rotates, the stirring rod 23 is driven to rotate together, and the stirring rod 23 is driven to contact and stir the sludge raw material and the biogas bacteria inside the tank body 1, so that the contact area between the sludge raw material and the biogas bacteria is increased, and the reaction speed between the sludge raw material and the biogas bacteria is further accelerated. At the same time, when the stirring rod 23 rotates, the scraper 24 is driven to move together, and the scraper 24 is driven to contact and clean the bottom of the inner wall of the tank body 1 when it moves, thereby reducing impurities attached to the inner wall of the tank body 1; when the scraper 24 rotates, it drives the first connecting rod 32 to move together, and when the first connecting rod 32 moves, it also drives the sponge 33 to rotate together, and when the sponge 33 rotates, it will also contact the tank body 1 When the scraper 24 rotates, the iron wire 42 will drive the iron wire 42 to rotate together. When the iron wire 42 rotates, it will come into contact with the sludge raw material inside the tank body 1. The iron wire 42 will cut large sludge, reduce the size of the sludge blocks inside the tank body 1, and increase the contact area between the sludge raw material and the biogas bacteria; when the drain pipe 109 floats with the liquid surface, the drain pipe 109 will come into contact with the cylinder 5, and the cylinder 5 will limit the drain pipe 109 and stop it from floating, reducing the interference of the drain pipe 109 on the outlet pipe 104 when it floats;When the stirring rod 23 rotates, it will come into contact with the elastic sheet 6. The elastic sheet 6 will bend after being squeezed by the stirring rod 23. The second connecting rod 62 will bend with the elastic sheet 6 and move closer to the inner wall of the tank body 1. When the second connecting rod 62 moves, it will drive the iron ball 63 to move together. When the iron ball 63 moves, it will come into contact with the inner wall of the tank body 1 and knock it, reducing impurities attached to the inner wall of the tank body 1; when the iron ball 63 comes into contact with the inner wall of the tank body 1, the rubber pad 7 will also come into contact with the inner wall of the tank body 1. Because the rubber pad 7 is a flexible material, the rubber pad 7 will absorb the impact of the iron ball 63 on the tank body 1 when it comes into contact with it, reducing the damage to the inner wall of the tank body 1. ;

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A horizontal high-temperature anaerobic fermentation gas production device, comprising a tank body (1), characterized in that: The top of the tank body (1) is connected to a feed hopper (102); the top of the tank body (1) is connected to a discharge hopper (105); the middle of the tank body (1) is connected to a liquid inlet pipe (103); the top of the tank body (1) is connected to an air outlet pipe (104); a water inlet pipe (106) is provided through the top of the tank body (1); a water outlet pipe (108) is provided through the bottom of the tank body (1); a water flow pipe (107) is provided inside the tank body (1); the water flow pipe (107) is a spiral structure; the water flow pipe (107) and the water inlet pipe (106) are both in a communication relationship; the water flow pipe (107) and the water outlet pipe (108) are both in a communication relationship; the bottom of the tank body (1) is slidably connected to a liquid discharge pipe (109); the liquid discharge pipe (109) is an L-shaped structure; and a plurality of circular holes (110) are provided in the middle of the liquid discharge pipe (109).

2. A horizontal high-temperature anaerobic fermentation gas production device according to claim 1, characterized in that: A motor (2) is fixedly connected to the bottom of the tank body (1); a rotating shaft (22) is fixedly connected to the output end of the motor (2); the rotating shaft (22) and the tank body (1) are interpenetratingly arranged and rotatably connected; a plurality of stirring rods (23) are fixedly connected to the middle of the rotating shaft (22); and a scraper (24) is fixedly connected to the middle of the stirring rod (23) located at the bottom.

3. A horizontal high temperature anaerobic fermentation gas production device according to claim 2, characterized in that: A first fixing groove (3) is formed in the middle of the scraper (24); a first connecting rod (32) is fixedly connected to the middle of the first fixing groove (3); and a plurality of sponges (33) are rotatably connected to the middle of the first connecting rod (32).

4. A horizontal high-temperature anaerobic fermentation gas production device according to claim 3, characterized in that: A second fixing groove (4) is provided in the middle of the scraper (24); a plurality of iron wires (42) are fixedly connected to the middle of the second fixing groove (4).

5. A horizontal high temperature anaerobic fermentation gas production device according to claim 4, characterized in that: A plurality of cylinders (5) are fixedly connected to the inner wall of the tank body (1); the cylinders (5) are located at the top of the liquid discharge pipe (109).

6. A horizontal high-temperature anaerobic fermentation gas production device according to claim 5, characterized in that: The inner side wall of the tank body (1) is fixedly connected to a plurality of elastic sheets (6); the elastic sheets (6) and the stirring rod (23) are arranged correspondingly; the inner side wall of the elastic sheet (6) is fixedly connected to a second connecting rod (62); and an iron ball (63) is fixedly connected to the end of the second connecting rod (62).