Biogas collection and separation apparatus

Abstract

The present application relates to the field of bio-agriculture technology, and specifically to a biogas collection and separation device, which comprises a separation tank, a detachable closing plate is installed on the top of the separation tank, a driving element is installed on the inner bottom of the separation tank, a top-turning element is installed at the lower end inside the separation tank, biogas is transported from the gas valve port into the sealed cover and the inside of the separation tank, so that the biogas passes through the conical precision filter plate and the filter element in turn, through the cooperation of the conical precision filter plate and the filter element, the impurities and other chemical substances in the biogas can be separated and purified, during which, the separated biogas is extracted by the air pump and is transported again into the sealed cover through the backflow pipe, so as to realize the circulation flow of the biogas, and further realize the circulation separation of the biogas, at the same time, the biogas is monitored in real time by the integrated monitoring box, so that the biogas is purified to the maximum extent, the purification quality is improved, and the possibility of the biogas after separation and purification not meeting the standards is reduced.

Description

Technical Field

[0001] This invention relates to the field of bio-agricultural technology, specifically to a biogas collection and separation device. Background Technology

[0002] Biogas is a combustible gas produced by the fermentation of organic matter under anaerobic conditions with specific temperature, humidity, and pH levels through microbial action. Biogas fermentation technology refers to the process of treating organic waste and wastewater to produce biogas under anaerobic conditions through the activity of biogas-producing microorganisms. It is also known as anaerobic digestion. The main raw materials for biogas production are agricultural waste such as plant straw and animal manure. Therefore, during biogas processing, it is necessary to separate and purify the substances contained within them.

[0003] Most current separation technologies first send biogas fermented from agricultural waste through gas pipelines into different biogas separators. Separation techniques are then used to separate moisture, carbon dioxide, siloxanes, and impurities from the biogas, reducing their content and thus purifying the biogas in a streamlined process.

[0004] However, in the process of purifying biogas in an assembly line, the biogas is in a flowing state as it passes through different separation tanks. In this state, the biogas inside the separation tank does not remain for long. Before it is fully separated, it will be transferred to the next separation tank for further separation. This causes the moisture and other substances present in the biogas to be transferred simultaneously, resulting in the presence of other components in the finally collected biogas. This leads to the phenomenon that the content of components in the biogas does not meet the standards, affecting the overall purity of the finally collected biogas and hindering the subsequent processing and production of biogas. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a biogas collection and separation device that has the advantage of being able to perform cyclic separation of biogas. This maximizes the purification of biogas, reduces the occurrence of substandard biogas components, and improves separation quality and efficiency.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a biogas collection and separation device, comprising a separation tank, a detachable sealing plate installed on the top of the separation tank, a driving component installed on the bottom inner side of the separation tank, a top-flipping component installed at the lower end of the separation tank, the top-flipping component being connected to the driving component, a filter component resting on the top of the top-flipping component, a detachable sealing cover installed on the top of the sealing plate, and a flow port opened in the middle of the sealing plate, a conical fine filter plate installed on the side of the sealing plate near the sealing cover, a gas valve port fixedly connected to the top of the sealing cover, a solenoid valve fixedly connected to the bottom of the separation tank, a conveying pipe fixedly connected to the exhaust end of the solenoid valve, a collection tank fixedly connected to one end of the conveying pipe, an integrated monitoring box fixedly connected to one side of the lower end of the separation tank, a vacuum pump fixedly connected to the other side of the lower end of the separation tank, a return pipe fixedly connected to the exhaust end of the vacuum pump, and one end of the return pipe communicating with the sealing cover;

[0009] Both sides of the inner wall of the separator are slidably connected to linkage rods. The end of the linkage rod away from the sealing cover is in contact with the driving component. Both sides of the top of the sealing plate are fixedly connected to vibrating components. A detachable water filter is installed at the upper inside of the separator. The water filter and the separation filter are on the same central axis.

[0010] Biogas enters the sealed enclosure through the gas valve and then flows through the conical fine filter plate into the separator tank. At this time, the gas pump extracts the biogas, causing it to flow downwards. The biogas passes through the water filter and the filter element in sequence, and then enters the return pipe and is sent back into the sealed enclosure, forming a circulation flow. During this process, the integrated monitoring box detects the biogas.

[0011] Preferably, the filter element includes multiple filter boxes that are slidably connected inside the separation tank. A detachable limiting mesh plate is installed on the top of each filter box. An elastic element is fixedly connected between two adjacent filter boxes. The filter boxes are filled with molecular sieve particles.

[0012] Preferably, the elastic element includes a sleeve rod fixedly connected to one side of the filter box, a spring is provided inside the sleeve rod, and the end of the spring rod near the sleeve rod is fixedly connected to the sleeve rod, while the end of the spring rod away from the sleeve rod is fixedly connected to an inner rod.

[0013] Preferably, the driving component includes a servo motor fixedly connected to the bottom of one side of the separation tank, the output end of the servo motor is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the separation tank, centrifugal discs are symmetrically arranged on the rotating shaft, and the centrifugal discs are in contact with the linkage rod, and a driving groove is opened on one side of the centrifugal disc.

[0014] Preferably, the top-flipping component includes a support plate symmetrically extending through the bottom of the inner side of the separation tank. A drive rod is fixedly connected to the side of the support plate near the centrifuge disc, and the drive rod is engaged and slidably connected to the drive groove. A circular top seat is fixedly connected to the end of the support plate away from the drive rod, and the top of the circular top seat is coated with a rubber layer.

[0015] Preferably, the vibrating component includes a U-shaped base fixedly connected to one side of the top of the closed plate, a bending drive plate rotatably connected inside the U-shaped base, a striking rod fixedly connected to one end of the bending drive plate, and a second spring fixedly connected to one side of the inside of the U-shaped base, with the end of the second spring away from the U-shaped base fixedly connected to the side of the bending drive plate.

[0016] Preferably, the linkage rod engages and slides with the closed plate, one end of the striking rod is located directly above the linkage rod, and a roller is rotatably connected to the bottom of the linkage rod, with the roller abutting against the outer arc of the centrifugal disc.

[0017] Preferably, the water filter includes a water storage box installed inside the upper part of the separator tank, a water filter membrane is installed on the top of the water storage box, and an air vent is provided on the outer side of the water storage box, with a snap-fit ​​component fixedly connected to one side of the inner wall of the air vent.

[0018] Preferably, the snap-fit ​​component includes a sleeve fixedly connected to one side of the inner wall of the ventilation groove, a spring three is fixedly connected to one side of the inner side of the sleeve, and a latching component is slidably installed inside the sleeve, with one end of the spring three abutting against the latching component.

[0019] Preferably, the latching component includes a latching block slidably connected inside the housing, a latching piece fixedly connected to one top end of the latching block, a sliding groove opened on one side of the top of the housing, the latching piece being slidably installed inside the sliding groove, and a latching groove corresponding to the latching block opened on the upper inner side of the separating tank.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. This invention introduces biogas into the sealed cover and separation tank through a gas valve, allowing the biogas to pass sequentially through a conical fine filter plate and a filter element. The interaction of the conical fine filter plate and the filter element separates and purifies impurities and other chemical substances in the biogas. During this process, a vacuum pump extracts the separated biogas and returns it to the sealed cover through a return pipe, thus achieving biogas circulation and separation. Simultaneously, an integrated monitoring box monitors the biogas in real time, maximizing purification, improving purification quality, and reducing the possibility of substandard biogas after separation and purification.

[0022] 2. During the biogas circulation separation, the operation of the drive component drives the top-tiling component, causing it to move up and down. When the top-tiling component moves, it drives the filter components, causing multiple filter boxes to shake up and down. This shakes the molecular sieve particles inside the filter boxes, increasing the contact area between the molecular sieve particles and the biogas, improving the adsorption efficiency of chemical substances in the biogas, and thus improving the biogas separation and purification efficiency. At the same time, the shaking of the filter boxes prevents the molecular sieve particles from accumulating inside, avoiding the phenomenon that the gaps between the particles shrink due to accumulation, which affects the flow of biogas. This maintains the circulation efficiency of biogas and improves the circulation separation effect.

[0023] 3. While the drive unit is running, its internal structure can synchronously drive the linkage rod, causing the linkage rod to reciprocate and impact the vibrating component. When the vibrating component is subjected to driving force, its internal structure can intermittently strike the conical fine filter plate, causing the conical fine filter plate to vibrate. This causes impurities adhering to the conical fine filter plate to be shaken off and fall down along the inclined structure of the conical fine filter plate, thereby cleaning the conical fine filter plate and reducing the possibility of impurities adhering to the conical fine filter plate and clogging the filter holes, maintaining the biogas circulation efficiency, and improving the efficiency of circulation separation and purification quality.

[0024] 4. During the biogas separation process, the gas passes through a water filter. The water membrane in the filter separates the water from the biogas and stores the separated water in a water storage box. The separated biogas can then flow downwards through the ventilation channel, thus achieving preliminary dehydration of the biogas, increasing its dryness, and preventing the molecular sieve particles inside the filter box from absorbing too much water and accelerating the saturation rate. This increases the adsorption time of the molecular sieve particles, maintains their adsorption effect on chemical substances, reduces the frequency of replacing molecular sieve particles, and thus improves the biogas separation efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall device of the present invention.

[0026] Figure 2 This is a partial cross-sectional view of the separation tank in this invention.

[0027] Figure 3 This is a diagram of the internal structure of the sealing cover in this invention.

[0028] Figure 4 This is a schematic diagram of the filter element in this invention.

[0029] Figure 5 This is a schematic diagram of the elastic element in this invention.

[0030] Figure 6 This is a connection structure diagram of the flip-top component and the driving component in this invention.

[0031] Figure 7 This is a schematic diagram of the structure of the flip-top component in this invention.

[0032] Figure 8 This is a schematic diagram of the structure of the vibrating element in this invention.

[0033] Figure 9 This is a schematic diagram of the water filter element in this invention.

[0034] Figure 10 This is a schematic diagram of the snap-fit ​​component in this invention.

[0035] In the diagram: 1. Separator; 2. Sealing cover; 3. Air valve port; 4. Linkage rod; 5. Top tilting component; 6. Filter section; 7. Conveying pipe; 8. Collection tank; 9. Vibrating component; 10. Driving component; 11. Sealing plate; 12. Integrated monitoring box; 13. Air pump; 14. Return pipe; 15. Water filter component; 21. Conical fine filter plate; 51. Support plate; 52. Circular top seat; 53. Driving rod; 61. Filter box; 62. Restricting mesh plate; 63. Elastic Components; 631, Sleeve rod; 632, Spring 1; 633, Inner rod; 91, U-shaped base; 92, Bending drive plate; 93, Striking rod; 94, Spring 2; 101, Servo motor; 102, Rotating shaft; 103, Centrifugal disc; 104, Drive slot; 151, Water storage box; 152, Filter membrane; 153, Ventilation slot; 154, Snap-fit ​​component; 1541, Sleeve box; 1542, Locking block; 1543, Paddle; 1544, Spring 3. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1

[0038] Please see Figures 1 to 3This is the first embodiment of the present invention, which provides a technical solution: a biogas collection and separation device, including a separation tank 1, a detachable sealing plate 11 installed on the top of the separation tank 1, the sealing plate 11 being fixedly connected to the separation tank 1 by a latch, which facilitates the disassembly and assembly of the sealing plate 11, thereby facilitating subsequent cleaning of the interior of the separation tank 1, and a sealing gasket is provided between the separation tank 1 and the sealing plate 11 to strengthen the sealing strength and prevent biogas from overflowing, and a driving component 10 is installed on the bottom inner side of the separation tank 1, and a flip-top component 5 is installed at the lower inner end of the separation tank 1, the flip-top component 5 being connected to the driving component 10 in a transmission manner, a filter component 6 being placed on the top of the flip-top component 5, and a detachable sealing cover 2 installed on the top of the sealing plate 11, the sealing cover 2 being connected and fixed to the sealing plate 11 by fixing bolts, which facilitates subsequent disassembly of the sealing cover 2, and facilitates cleaning of the interior of the sealing cover 2, and a flow port is provided in the middle of the sealing plate 11;

[0039] A conical fine filter plate 21 is installed on the side of the sealing plate 11 near the sealing cover 2. The conical fine filter plate 21 covers the flow port and can be fixed to the sealing plate 11 with bolts, which facilitates the subsequent disassembly, replacement or cleaning of the conical fine filter plate 21. Here, the conical fine filter plate 21 is made of stainless steel sintered filter plate, which is corrosion resistant, high temperature resistant and has a long service life. A gas valve port 3 is fixedly connected to the top of the sealing cover 2. A solenoid valve is fixedly connected to the bottom of the separation tank 1. The exhaust end of the solenoid valve is fixedly connected to the delivery pipe 7. One end of the delivery pipe 7 is fixedly connected to the collection tank 8. An integrated monitoring box 12 is fixedly connected to the lower side of the separation tank 1. Here, the interior of the integrated monitoring box 12 is equipped with metal oxygen The system includes a metal oxide semiconductor sensor, an infrared sensor, a capacitive humidity sensor, a laser spectral sensor, and a controller. The metal oxide semiconductor sensor is used to detect the hydrogen sulfide content in biogas, the infrared sensor is used to detect the carbon dioxide concentration in biogas, the capacitive humidity sensor is used to detect the humidity in biogas, the laser spectral sensor is used to detect impurities in biogas, and the controller is electrically connected to the air pump 13 and the solenoid valve, and can control the start and stop of the air pump 13 and the opening and closing of the solenoid valve. The air pump 13 is fixedly connected to the other side of the lower end of the separator tank 1, and the exhaust end of the air pump 13 is fixedly connected to the return pipe 14, one end of the return pipe 14 is connected to the sealing cover 2.

[0040] Both sides of the inner wall of the separator tank 1 are slidably connected to the linkage rod 4. The end of the linkage rod 4 away from the sealing cover 2 is in contact with the drive component 10. Both sides of the top of the sealing plate 11 are fixedly connected to the vibrating component 9. Here, the vibrating component 9 is located on one side of the conical fine filter plate 21. The upper part of the interior of the separator tank 1 is equipped with a detachable water filter component 15. The water filter component 15 and the filter component 6 are on the same central axis.

[0041] Biogas enters the sealed cover 2 through the gas valve port 3 and flows into the separator 1 through the conical fine filter plate 21. At this time, the air pump 13 extracts the biogas, causing it to flow downwards. The biogas passes through the water filter 15 and the filter element 6 in sequence, and then enters the return pipe 14 and is sent back into the sealed cover 2, so that the biogas forms a circulation. During this period, the integrated monitoring box 12 detects the biogas.

[0042] During operation, the external biogas connecting pipe is first connected to the gas valve port 3. Biogas enters the sealed cover 2 through the gas valve port 3. The biogas inside the sealed cover 2 then flows into the separator tank 1 through the flow port. Before entering the flow port, the biogas passes through the conical fine filter plate 21, which filters out impurities, thus performing preliminary filtration and separation. The biogas then enters the separator tank 1 and passes through the water filter element 15 and the separator filter element 6. The water filter element 15 performs preliminary dehydration, increasing the dryness of the biogas. The separator filter element 6 adsorbs and separates the chemical substances inside the biogas, thus achieving separation and purification. After passing through the separator filter element 6, the biogas is pumped into the return pipe 14 by the air pump 13. The return pipe 14 then returns the biogas to the sealed cover 2, thus achieving biogas circulation. This allows for the circulation and separation of biogas. During circulation, the biogas can be monitored in real time via the integrated monitoring box 12. When the biogas purity reaches the standard, the pump 13 can be turned off via the integrated monitoring box 12 to stop the circulation of biogas, and the solenoid valve can be opened to allow the biogas inside the separator 1 to enter the collection tank 8 through the delivery pipe 7. The collection tank 8 stores the qualified biogas, thus achieving the separation and collection of biogas. In addition, after biogas has been continuously input through the external connection pipe for a period of time, the delivery can be stopped. After the biogas inside the separator 1 has been separated and purified, biogas can be delivered again. Afterward, when it is necessary to maintain or replace the water filter 15 and the filter element 6, the sealing plate 11 and the separator 1 can be separated by manually operating the latch, making it convenient for people to take out the water filter 15 and the filter element 6 for processing.

[0043] Example 2

[0044] Please see Figures 4 to 7This is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that the filter element 6 includes multiple filter boxes 61 that are slidably connected inside the separator 1. A detachable limiting mesh plate 62 is installed on the top of the filter box 61. The limiting mesh plate 62 and the filter box 61 are connected by threads to facilitate the processing of the material inside the filter box 61. Multiple sets of vent holes are provided on the bottom of the filter box 61 and the limiting mesh plate 62 to facilitate the flow of biogas. An elastic element 63 is fixedly connected between two adjacent filter boxes 61. The filter box 61 is filled with molecular sieve particles. Multiple filter boxes 61 are filled with different molecular sieve particles, such as sodium aluminosilicate particles, calcium aluminosilicate particles and potassium aluminosilicate particles, to dehydrate, desulfurize and reduce the carbon dioxide concentration of biogas.

[0045] The elastic element 63 includes a sleeve rod 631 fixedly connected to one side of the filter box 61. A spring 632 is provided inside the sleeve rod 631. The end of the spring 632 near the sleeve rod 631 is fixedly connected to the sleeve rod 631. An inner rod 633 is fixedly connected to the end of the spring 632 away from the sleeve rod 631.

[0046] The driving component 10 includes a servo motor 101 fixedly connected to the bottom of one side of the separation tank 1. The output end of the servo motor 101 is fixedly connected to a rotating shaft 102. The rotating shaft 102 is rotatably connected to the separation tank 1. Centrifugal discs 103 are symmetrically arranged on the rotating shaft 102, and the centrifugal discs 103 are in contact with the linkage rod 4. A driving groove 104 is opened on one side of the centrifugal disc 103. The inner wall of the driving groove 104 and the arc-shaped outer wall of the centrifugal disc 103 are both smoothed to reduce the friction force on the linkage rod 4 and the top-flipping component 5 during driving and maintain the driving effect.

[0047] The top-flipping component 5 includes a support plate 51 symmetrically extending through the bottom of the inner side of the separation tank 1. A drive rod 53 is fixedly connected to the side of the support plate 51 near the centrifugal disc 103, and the drive rod 53 is engaged and slidably connected to the drive groove 104. The surface of the drive rod 53 is smoothed to make it slide more smoothly inside the drive groove 104 and reduce the generation of friction. A circular top seat 52 is fixedly connected to the end of the support plate 51 away from the drive rod 53. Here, the bottommost filter box 61 of the filter element 6 rests on the circular top seat 52. The top of the circular top seat 52 is coated with a rubber layer. The rubber layer gives the top of the circular top seat 52 a certain degree of elasticity, which can reduce the impact damage caused by the top-flipping component 5 to the filter element 6 when it is repeatedly lifted, and improve the service life of the filter element 6.

[0048] During biogas circulation and separation, the servo motor 101 drives the rotating shaft 102 to rotate. The rotating shaft 102 drives the two centrifugal discs 103 to rotate synchronously, causing the discs 103 to revolve around the center point of the shaft 102. This, in turn, drives the drive rod 53, causing it to slide on the drive groove 104. Simultaneously, the drive rod 53 receives a pushing force from the inner wall of the drive groove 104, which in turn moves the support plate 51, causing it to move up and down. This, in turn, moves the circular top seat 52 back and forth, pushing the filter element 6. This causes the multiple filter boxes 61 to shake up and down, thus agitating the molecular sieve particles within the filter boxes 61 and increasing the interaction between the molecular sieve particles and biogas. The increased contact area enhances the adsorption efficiency of chemicals in biogas, thereby improving biogas separation and purification efficiency. Simultaneously, the shaking of the filter box 61 prevents the accumulation of molecular sieve particles inside, avoiding the narrowing of gaps between particles that hinders biogas flow. This maintains the biogas circulation efficiency and improves the circulation separation effect. When the filter box 61 shakes up and down, it applies pressure to the inner rod 633 and the sleeve rod 631, causing the inner rod 633 to contract inside the sleeve rod 631. This compresses the spring 632, and the elasticity of the spring 632 resets the inner rod 633, increasing the shaking frequency of the filter box 61 and improving the agitation of the molecular sieve particles, thus enhancing the biogas separation efficiency of the filter element 6.

[0049] Example 3

[0050] Please see Figure 2 , Figure 6 and Figure 8 This is the third embodiment of the present invention. The difference between this embodiment and the first and second embodiments is that the vibrating component 9 includes a U-shaped base 91 fixedly connected to one side of the top of the closed plate 11. A bending drive plate 92 is rotatably connected inside the U-shaped base 91. A striking rod 93 is fixedly connected to one end of the bending drive plate 92. The striking rod 93 is made of metal and is wrapped with a rubber sleeve. Through the elasticity of the rubber material, the damage caused to the conical fine filter plate 21 by the striking rod 93 can be reduced, the service life of the conical fine filter plate 21 can be improved, and the striking effect of the striking rod 93 can be improved. A second spring 94 is fixedly connected to one side of the inside of the U-shaped base 91. The end of the second spring 94 away from the U-shaped base 91 is fixedly connected to the side of the bending drive plate 92.

[0051] The linkage rod 4 engages and slides with the closed plate 11. One end of the striking rod 93 is located directly above the linkage rod 4. The top of the linkage rod 4 is arc-shaped to reduce the scratches caused to the linkage rod 4 when it comes into contact with the bending drive plate 92. The bottom of the linkage rod 4 is rotatably connected to a roller, which contacts the outer arc of the centrifugal disc 103.

[0052] When the centrifugal disc 103 rotates, it can drive the linkage rod 4 to move up and down. The moving linkage rod 4 can push the bending drive plate 92, causing the bending drive plate 92 to rotate around the rotation point. This, in turn, drives the striking rod 93 to strike the conical fine filter plate 21, causing the conical fine filter plate 21 to vibrate. This causes the impurities adhering to the conical fine filter plate 21 to be shaken off and fall down along the inclined structure of the conical fine filter plate 21, thereby cleaning the conical fine filter plate 21 and reducing the possibility of impurities adhering to the conical fine filter plate 21 and clogging the filter pores. To maintain the biogas circulation efficiency, reduce the possibility of the circulation efficiency gradually decreasing during biogas circulation separation, and at the same time ensure the separation quality of impurities, reduce the possibility of impurities being adsorbed by molecular sieve particles, reduce the saturation velocity of molecular sieve particles, extend their service life, and improve the biogas separation efficiency. When the bending drive plate 92 loses the drive of the linkage rod 4, the elastic action of the spring 2 94 can push one end of the bending drive plate 92, thereby resetting the striking rod 93. In this way, the up and down movement of the linkage rod 4 can realize the reciprocating striking of the conical fine filter plate 21 by the striking rod 93.

[0053] The remaining structure is the same as that in Example 1.

[0054] Example 4

[0055] Please see Figures 9 to 10 This is the third embodiment of the present invention. This embodiment differs from the first, second, and third embodiments in that: the water filter 15 includes a water storage box 151 installed at the upper end of the inside of the separation tank 1. The bottom of the water storage box 151 is provided with a drain outlet. When it is necessary to clean the water separated by the water storage box 151, the drain outlet can be opened manually to drain the water. A water filter membrane 152 is installed on the top of the water storage box 151. The water filter membrane 152 is a polymer membrane made of polyimide material. It does not require chemical reagents, has low energy consumption, and is suitable for continuous filtration and separation of biogas. In addition, when biogas comes into contact with the water filter membrane 152, the water molecules in the biogas enter the water storage box 151 through the water filter membrane 152, while the gas and other substances in the biogas are blocked by the water filter membrane 152, thereby achieving the separation of water molecules in the biogas. A ventilation groove 153 is opened on the outside of the water storage box 151, and a snap-fit ​​piece 154 is fixedly connected to one side of the inner wall of the ventilation groove 153.

[0056] The snap-fit ​​component 154 includes a sleeve 1541 fixedly connected to one side of the inner wall of the vent 153. A spring 1544 is fixedly connected to one side of the inner wall of the sleeve 1541, and a latching component is slidably installed inside the sleeve 1541. One end of the spring 1544 abuts against the latching component.

[0057] The fastener includes a locking block 1542 that is slidably connected inside the housing 1541. The inner wall of the housing 1541 and the outer wall of the locking block 1542 are both smoothed to reduce friction when the locking block 1542 moves inside the housing 1541. A lever 1543 is fixedly connected to one end of the top of the locking block 1542. A sliding groove is provided on one side of the top of the housing 1541. The lever 1543 is slidably installed inside the sliding groove. A corresponding locking groove is provided on the upper inner side of the separating tank 1. Here, the diameter of the locking groove is larger than the end size of the locking block 1542 to facilitate quick locking.

[0058] Moisture in biogas can be separated by the filter membrane 152 in the filter element 15, and the separated moisture is stored in the water storage box 151. The separated biogas can flow downward through the ventilation channel 153, thereby achieving preliminary dehydration of the biogas, improving the dryness of the biogas, and preventing the molecular sieve particles inside the filter box 61 from excessively adsorbing moisture and accelerating the saturation rate. This increases the adsorption time of the molecular sieve particles, maintains their adsorption effect on chemical substances, and reduces the frequency of replacing molecular sieve particles. When it is necessary to disassemble and replace the filter element 15 or to drain water, it can be manually adjusted. Move the lever 1543 to move the locking block 1542, which is then retracted into the housing 1541, allowing one end to be pulled out of the slot. This facilitates the disassembly of the water filter element 15. When it is necessary to install the water filter element 15, move the lever 1543 to retract the locking block 1542 into the housing 1541, align the locking block 1542 with the slot, and then release the lever 1543. The elastic force of the spring 1544 pushes the locking block 1542 into the slot, forming a locking connection, thus enabling the installation of the water filter element 15.

[0059] The remaining structures are the same as those in Examples 1, 2 and 3.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A biogas collection and separation device, comprising a separation tank (1), characterized in that: The top of the separation tank (1) is equipped with a detachable sealing plate (11), and the bottom of the inner side of the separation tank (1) is equipped with a driving component (10). The lower end of the interior of the separation tank (1) is equipped with a flip-top component (5), which is connected to the driving component (10) in a transmission manner. A filter element (6) is placed on the top of the flip-top component (5). The top of the sealing plate (11) is equipped with a detachable sealing cover (2), and a flow port is opened in the middle of the sealing plate (11). A conical fine filter plate (21) is installed on the side of the sealing plate (11) near the sealing cover (2). A valve port (3) is fixedly connected to the top of the sealing cover (2), a solenoid valve is fixedly connected to the bottom of the separation tank (1), a delivery pipe (7) is fixedly connected to the exhaust end of the solenoid valve, a collection tank (8) is fixedly connected to one end of the delivery pipe (7), an integrated monitoring box (12) is fixedly connected to one side of the bottom end of the separation tank (1), a vacuum pump (13) is fixedly connected to the other side of the bottom end of the separation tank (1), a return pipe (14) is fixedly connected to the exhaust end of the vacuum pump (13), and one end of the return pipe (14) is connected to the sealing cover (2). The inner walls of the separator (1) are slidably connected with linkage rods (4), and the end of the linkage rod (4) away from the sealing cover (2) is in contact with the drive component (10). The top two sides of the sealing plate (11) are fixedly connected with vibrating components (9). The upper part of the interior of the separator (1) is equipped with a detachable water filter component (15), and the water filter component (15) and the filter component (6) are on the same central axis. Biogas enters the sealed cover (2) through the gas valve (3) and enters the separator (1) through the conical fine filter plate (21) and the flow port. At this time, the gas pump (13) extracts the biogas, causing it to flow downwards. The biogas passes through the water filter (15) and the filter element (6) in sequence, and then enters the return pipe (14) and is sent back into the sealed cover (2) to form a circulation flow. During this period, the integrated monitoring box (12) detects the biogas. The filter element (6) includes multiple filter boxes (61) that are slidably connected inside the separation tank (1). A detachable limiting mesh plate (62) is installed on the top of the filter box (61). An elastic element (63) is fixedly connected between two adjacent filter boxes (61). The filter box (61) is filled with molecular sieve particles. The elastic element (63) includes a sleeve rod (631) fixedly connected to one side of the filter box (61). A spring (632) is provided inside the sleeve rod (631), and the end of the spring (632) near the sleeve rod (631) is fixedly connected to the sleeve rod (631). An inner rod (633) is fixedly connected to the end of the spring (632) away from the sleeve rod (631).

2. The biogas collection and separation device according to claim 1, characterized in that: The driving component (10) includes a servo motor (101) fixedly connected to the bottom of one side of the separation tank (1). The output end of the servo motor (101) is fixedly connected to a rotating shaft (102). The rotating shaft (102) is rotatably connected to the separation tank (1). Centrifugal discs (103) are symmetrically arranged on the rotating shaft (102), and the centrifugal discs (103) are in contact with the linkage rod (4). A driving groove (104) is opened on one side of the centrifugal discs (103).

3. The biogas collection and separation device according to claim 2, characterized in that: The top-flipping component (5) includes a support plate (51) symmetrically extending through the bottom of the inner side of the separation tank (1). A drive rod (53) is fixedly connected to the side of the support plate (51) near the centrifuge disc (103), and the drive rod (53) is engaged and slidably connected to the drive groove (104). A circular top seat (52) is fixedly connected to the end of the support plate (51) away from the drive rod (53), and the top of the circular top seat (52) is coated with a rubber layer.

4. The biogas collection and separation device according to claim 2, characterized in that: The vibrating component (9) includes a U-shaped base (91) fixedly connected to one side of the top of the closed plate (11). A bending drive plate (92) is rotatably connected inside the U-shaped base (91). A striking rod (93) is fixedly connected to one end of the bending drive plate (92). A second spring (94) is fixedly connected to one side of the inside of the U-shaped base (91). The end of the second spring (94) away from the U-shaped base (91) is fixedly connected to one side of the bending drive plate (92).

5. A biogas collection and separation device according to claim 4, characterized in that: The linkage rod (4) engages and slides with the closed plate (11). One end of the striking rod (93) is located directly above the linkage rod (4). A roller is rotatably connected to the bottom of the linkage rod (4). The roller contacts the outer arc of the centrifugal disc (103).

6. The biogas collection and separation device according to claim 1, characterized in that: The water filter element (15) includes a water storage box (151) installed inside the upper part of the separator (1). A water filter membrane (152) is installed on the top of the water storage box (151), and an air vent (153) is opened on the outside of the water storage box (151). A snap-fit ​​component (154) is fixedly connected to one side of the inner wall of the air vent (153).

7. A biogas collection and separation device according to claim 6, characterized in that: The snap-fit ​​component (154) includes a sleeve (1541) fixedly connected to one side of the inner wall of the ventilation groove (153). A spring three (1544) is fixedly connected to one side of the inner wall of the sleeve (1541), and a latching component is slidably installed inside the sleeve (1541). One end of the spring three (1544) abuts against the latching component.

8. A biogas collection and separation device according to claim 7, characterized in that: The fastener includes a locking block (1542) that is slidably connected inside the housing (1541). A lever (1543) is fixedly connected to one end of the top of the locking block (1542). A sliding groove is provided on one side of the top of the housing (1541). The lever (1543) is slidably installed inside the sliding groove. A locking groove corresponding to the locking block (1542) is provided on the upper inner side of the separating tank (1).

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