Separating device for biogas residue and biogas slurry in biogas production

Abstract

The utility model provides a biogas residue and biogas slurry separating device in biogas production, which relates to the technical field of biogas residue separating devices and comprises a frame and a separating mechanism mounted on the inner side of the frame. The centrifugal assembly can separate biogas residues and biogas slurry in a mixture through centrifugal force, compared with a traditional filtering and settling method, the separation efficiency is higher, the speed is higher, the solid content in the filtered biogas slurry is almost close to zero, the power assembly can provide power, the centrifugal assembly rotates, and the biogas slurry is separated from the biogas slurry through the centrifugal force. According to the biogas slurry separation device, the rotating speed of different parts is controlled, so that the separation effect is ensured, secondary filtration can be performed on biogas slurry through the arrangement of the filter assembly, filter cloth used by the device is 9000 meshes, so that residual particles are better removed, the purity of the biogas slurry is further improved, and the control assembly can monitor and adjust the operation parameters of all the assemblies of the device, so that the operation efficiency is improved. Therefore, the optimal separation effect is kept, and all the components of the device can operate coordinately and continuously.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas residue separation devices, in particular to a device for separating biogas residue from biogas liquid in biogas production. Background Art

[0002] The device for separating sludge and liquid biogas in biogas production is a device that separates the solid particles from the liquid in the biogas liquid during the biogas production process, thereby separating the sludge and liquid biogas. In the biogas production process, the separation of sludge and liquid biogas is a very important step, because the sludge contains a large amount of organic matter and can be used as organic fertilizer, while the liquid biogas contains rich nutrients such as nitrogen, phosphorus, potassium, etc. and can be used as biological fertilizer. Reasonable use of this device can improve the efficiency of biogas production and resource utilization, reduce environmental pollution, and thus achieve sustainable development.

[0003] After searching, the patent number "CN215876392U" mentioned in the text that "the utility model relates to an online solid-liquid separation and discharging system of a biogas anaerobic reactor, a screw extrusion device is rotatably installed in a separation bin, the input end is connected to the output end of a power source installed outside the separation bin, and a slag outlet is provided on the separation bin at the output end of the screw extrusion device; a screen is installed inside the separation bin, located below the screw extrusion device; a liquid inlet and a liquid outlet are respectively provided on the separation bin, one end of a biogas slurry output pipeline is inserted below the liquid level in the anaerobic fermentation tank, and the other end is connected to the liquid inlet, the liquid outlet is connected to a biogas slurry discharge pipeline, one end of a biogas slurry reflux pipeline is connected to the biogas slurry discharge pipeline, and the other end is connected to the anaerobic fermentation tank. The utility model can realize solid-liquid separation of the fermented biogas slurry online, and the separated biogas residue enters the solid organic fertilizer production system, and the separated biogas slurry returns to the anaerobic fermentation tank. The utility model does not need to set up a biogas slurry storage device, reduces the use of pumps and valves, and avoids a large amount of heat loss. When it is in use, it does not need to set up a biogas slurry storage device through the design of the biogas slurry discharge pipeline, thereby reducing the use of pumps and valves and avoiding a large amount of heat loss. However, the separation process of the biogas residue and biogas slurry by the device is brief when in use, and the biogas residue and biogas slurry cannot be completely separated. The collection rate of the biogas residue separated by the method of the device is too low, and the turbidity of the biogas slurry after separation is slightly high, and the biogas residue cannot be compacted.

[0004] Therefore, we provide a device for separating biogas residue and biogas liquid in biogas production to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a device for separating biogas residue and biogas liquid in biogas production, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for separating biogas residue and biogas liquid in biogas production, comprising a frame and a separation mechanism, wherein the separation mechanism is installed on the inner side of the frame;

[0007] The separation mechanism includes a centrifugal assembly, a power assembly, a filter assembly and a control assembly. The centrifugal assembly is installed on the inner side of the frame, the power assembly is installed on one side of the centrifugal assembly, the filter assembly is fixedly connected to the outer side of the centrifugal assembly, and the control assembly is arranged on one side of the frame.

[0008] Preferably, the centrifugal assembly includes a drum, a horizontal screw, a material distribution port and a feed port, the drum is installed on the inner side of the frame, the horizontal screw is installed inside the drum, the material distribution port is opened on the outer side of the horizontal screw, and the feed port is fixedly connected to one side of the drum.

[0009] Preferably, the power assembly includes a bearing, a differential and a motor, a bearing is installed on the other side of the drum, a differential is installed on the outside of the bearing, and a motor is arranged below the differential.

[0010] Preferably, the filter assembly comprises a biogas slurry outlet and a filter cloth, the outer side of the rotary drum is fixedly connected with the biogas slurry outlet, the inner side of the biogas slurry outlet is installed with the filter cloth, and the bottom end of the rotary drum is provided with a biogas residue outlet.

[0011] Preferably, the control component includes a controller and a control panel. The controller is disposed on one side of the frame, and the surface of the controller is electrically connected to the control panel.

[0012] Preferably, a pressure assembly is provided below the sludge outlet, and the pressure assembly includes a sludge box, an extrusion module and a sludge cake outlet. A sludge box is provided below the sludge outlet, an extrusion module is installed on the inner side of the sludge box, and a sludge cake outlet is provided on the outer side of the sludge box.

[0013] Preferably, a detection component is installed at the top of the pressure component, and the detection component includes a sensor and a pressure gauge. The sensor is installed at the top of the biogas sludge box, and a pressure gauge is installed on one side of the biogas sludge box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The pressure component can extrude the biogas residue, and then the extrusion pressure of the biogas residue can be maintained at about 400 kg through the control of the detection component, so that the moisture content of the squeezed biogas residue cake is ≧50%, which greatly improves the utilization rate of the biogas residue. The detection component can monitor the pressure of each part and control the pressure of the feed port at 25 kg, making the separation work more precise.

[0016] 2. The centrifugal component can use centrifugal force to separate the sludge from the biogas in the mixture. Compared with traditional filtering and sedimentation methods, its separation efficiency is higher and the speed is faster. The device improves its processing capacity by increasing the aspect ratio of the centrifugal component, so that the solid content in the biogas after filtration is almost close to zero. The power component can provide power to rotate the centrifugal component and control the rotation speed of different parts to ensure the separation effect. Through the setting of the filter component, the biogas can be filtered twice. The filter cloth used in the device is 9000 mesh, so as to better remove residual particles and further improve the purity of the biogas. The control component can monitor and adjust the operating parameters of each component of the device to maintain the best separation effect and enable the various components of the device to coordinate and operate continuously. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the overall structure of the utility model when viewed from above.

[0021] Numbers in the figure: 1. frame; 2. separation mechanism; 21. centrifugal assembly; 211. drum; 212. horizontal screw; 213. material distribution port; 214. feed port; 22. power assembly; 221. bearing; 222. differential; 223. motor; 23. filter assembly; 231. biogas liquid outlet; 232. filter cloth; 233. biogas residue outlet; 24. control assembly; 241. controller; 242. control panel; 3. pressure assembly; 31. biogas residue box; 32. extrusion module; 33. biogas residue cake outlet; 4. detection assembly; 41. sensor; 42. pressure gauge. DETAILED DESCRIPTION

[0022] 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. Embodiment 1:

[0023] See also Figure 1-4As shown, the utility model provides a technical solution: a device for separating biogas residue and biogas liquid in biogas production, comprising a frame 1 and a separation mechanism 2, wherein the separation mechanism 2 is installed inside the frame 1;

[0024] The separation mechanism 2 includes a centrifugal component 21, a power component 22, a filter component 23 and a control component 24. The centrifugal component 21 is installed on the inner side of the frame 1, the power component 22 is installed on one side of the centrifugal component 21, the filter component 23 is fixedly connected to the outer side of the centrifugal component 21, and the control component 24 is arranged on one side of the frame 1.

[0025] Furthermore, the centrifugal component 21 includes a drum 211, a horizontal screw 212, a distribution port 213 and a feed port 214. The drum 211 is installed on the inner side of the frame 1, and the horizontal screw 212 is installed inside the drum 211. The distribution port 213 is opened on the outer side of the horizontal screw 212, and the feed port 214 is fixedly connected to one side of the drum 211. The centrifugal component 21 uses centrifugal force to separate the sludge from the biogas slurry in the mixture. Compared with traditional filtering and sedimentation methods, the separation efficiency is higher and the speed is faster. By increasing the aspect ratio of the centrifugal component 21, its processing capacity is improved, so that the solid content in the filtered biogas slurry is almost close to zero.

[0026] Furthermore, the power assembly 22 includes a bearing 221, a differential 222 and a motor 223. The bearing 221 is installed on the other side of the drum 211, the differential 222 is installed on the outside of the bearing 221, and the motor 223 is arranged below the differential 222. The power assembly 22 can provide power so that the centrifugal assembly 21 can rotate and control the rotation speed of different parts to ensure the separation effect.

[0027] Furthermore, the filter assembly 23 includes a sludge outlet 231 and a filter cloth 232. The outer side of the drum 211 is fixedly connected to the sludge outlet 231, the inner side of the sludge outlet 231 is installed with the filter cloth 232, and the bottom end of the drum 211 is provided with a sludge outlet 233. The filter assembly 23 can perform secondary filtration on the sludge, and the filter cloth 232 used is 9000 mesh, so as to better remove residual particles and further improve the purity of the sludge.

[0028] Furthermore, the control component 24 includes a controller 241 and a control panel 242. The controller 241 is provided on one side of the rack 1, and the surface of the controller 241 is electrically connected to the control panel 242. The control component 24 can monitor and adjust the operating parameters of each component of the device to maintain the best separation effect and enable the various components of the device to coordinate and operate continuously. Embodiment 2:

[0029] See also Figure 1-4As shown, compared with Example 1, as another implementation mode of the utility model, a pressure component 3 is arranged below the sludge outlet 233, and the pressure component 3 includes a sludge box 31, an extrusion module 32 and a sludge cake outlet 33. A sludge box 31 is arranged below the sludge outlet 233, an extrusion module 32 is installed on the inner side of the sludge box 31, and a sludge cake outlet 33 is arranged on the outer side of the sludge box 31. The pressure component 3 can extrude the sludge, and then the extrusion pressure of the sludge is maintained at about 400 kg through the control of the detection component 4, so that the moisture content of the squeezed sludge cake is ≧50%, which greatly improves the utilization rate of the sludge.

[0030] Furthermore, a detection component 4 is installed at the top of the pressure component 3, and the detection component 4 includes a sensor 41 and a pressure gauge 42. The sensor 41 is installed at the top of the sludge box 31, and a pressure gauge 42 is installed on one side of the sludge box 31. The detection component 4 can monitor the pressure conditions of each part and control the pressure of the feed port 214 at 25 kg, so that the separation work is more precise.

[0031] Working principle: First, a separation device for biogas residue and biogas liquid in biogas production is moved to the working position. When in use, in the first step, the user starts the device through the control panel 242, so that the biogas residue to be treated passes through the feed port 214 and then enters the drum 211 from the feed port 213. In the second step, the drum 211 and the horizontal screw 212 rotate at a high speed with a certain differential speed. Under the action of the centrifugal force field, the heavier solids of the biogas residue to be treated form a sediment layer on the inner wall of the drum 211. The horizontal screw 212 continuously pushes the deposited solids to the cone end of the drum 211 and passes through the biogas residue outlet. 233 is then discharged out of the drum 211. The lighter biogas liquid is pushed out of the drum 211 through the biogas liquid outlet 231. In the third step, the separated biogas residue falls into the biogas residue box 31, and then the extrusion module 32 extrude the biogas residue. The compressed biogas residue cake leaves the device through the biogas residue cake outlet 33. The sensor 41 monitors the pressure of the extrusion module 32 in real time to maintain its pressure at 400 kg. At the same time, the pressure of the feed port 214 is monitored to be maintained at 25 kg, and the monitoring device keeps running continuously. In this way, the use process of a biogas residue and biogas liquid separation device in biogas production is completed.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for separating biogas residue and biogas liquid in biogas production, comprising a frame (1) and a separation mechanism (2), characterized in that: A separation mechanism (2) is installed on the inner side of the frame (1); The separation mechanism (2) comprises a centrifugal assembly (21), a power assembly (22), a filter assembly (23) and a control assembly (24); the centrifugal assembly (21) is installed on the inner side of the frame (1); the power assembly (22) is installed on one side of the centrifugal assembly (21); the filter assembly (23) is fixedly connected to the outer side of the centrifugal assembly (21); and the control assembly (24) is arranged on one side of the frame (1).

2. The device for separating biogas residue and biogas liquid in biogas production according to claim 1, characterized in that: The centrifugal assembly (21) comprises a rotary drum (211), a horizontal spiral (212), a material distribution port (213) and a material feed port (214); the rotary drum (211) is installed on the inner side of the frame (1); the horizontal spiral (212) is installed inside the rotary drum (211); the material distribution port (213) is provided on the outer side of the horizontal spiral (212); and the material feed port (214) is fixedly connected to one side of the rotary drum (211).

3. The device for separating biogas residue and biogas liquid in biogas production according to claim 2, characterized in that: The power assembly (22) comprises a bearing (221), a differential (222) and a motor (223); the bearing (221) is installed on the other side of the rotating drum (211); the differential (222) is installed on the outside of the bearing (221); and the motor (223) is arranged below the differential (222).

4. The device for separating biogas residue and biogas liquid in biogas production according to claim 2, characterized in that: The filter assembly (23) comprises a biogas slurry outlet (231) and a filter cloth (232); the outer side of the rotary drum (211) is fixedly connected with the biogas slurry outlet (231); the inner side of the biogas slurry outlet (231) is installed with the filter cloth (232); and the bottom end of the rotary drum (211) is provided with a biogas residue outlet (233).

5. The device for separating biogas residue and biogas liquid in biogas production according to claim 1, characterized in that: The control component (24) comprises a controller (241) and a control panel (242); the controller (241) is disposed on one side of the frame (1); and the surface of the controller (241) is electrically connected to the control panel (242).

6. The device for separating biogas residue and biogas liquid in biogas production according to claim 4, characterized in that: A pressure assembly (3) is arranged below the biogas residue outlet (233), and the pressure assembly (3) comprises a biogas residue box (31), an extrusion module (32) and a biogas residue cake outlet (33); a biogas residue box (31) is arranged below the biogas residue outlet (233), an extrusion module (32) is installed on the inner side of the biogas residue box (31), and a biogas residue cake outlet (33) is arranged on the outer side of the biogas residue box (31).

7. The device for separating biogas residue and biogas liquid in biogas production according to claim 6, characterized in that: A detection component (4) is installed at the top of the pressure component (3), and the detection component (4) comprises a sensor (41) and a pressure gauge (42). A sensor (41) is installed at the top of the biogas slag box (31), and a pressure gauge (42) is installed on one side of the biogas slag box (31).

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