Biogas power generation waste heat recycling device
By designing a waste heat recovery device for biogas power generation, using a filter residue net and an activated carbon adsorption net to treat biogas exhaust gas, and exchanging heat energy with cold water, the problems of heat loss and temperature increase caused by direct exhaust gas discharge are solved, and the effective recovery of waste heat and the smooth circulation of gas are achieved.
Patent Information
- Application Number
- CN202422667822.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-04
AI Technical Summary
During the biogas power generation process, direct exhaust gas emissions lead to heat loss and increased air temperature, affecting the working environment.
A waste heat recovery and reuse device for biogas power generation is designed. High-calorie biogas power generation tail gas is input through a heat recovery box using a gas input pipe. After being treated by a filter residue net and an activated carbon adsorption net, the high-calorie gas exchanges heat energy with cold water to achieve waste heat recovery. The filter residue net is driven by a rotating shaft and a disc to avoid clogging.
It realizes the effective recovery of waste heat, avoids heat energy waste, ensures the smooth circulation and dryness of gas, and improves the working environment.
Smart Images

Figure CN223448986U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the biogas power generation technical field, concretely relates to a biogas power generation waste heat recycling device. BACKGROUND
[0002] Biogas combustion power generation is a biogas utilization technology that appears along with the continuous development of large-scale biogas tank construction and biogas comprehensive utilization, which uses the biogas produced by anaerobic fermentation treatment on the engine and is equipped with a comprehensive power generation device to produce electric energy and heat energy. Biogas power generation has the characteristics of creating benefits, energy saving, safety and environmental protection, and is a widely distributed and inexpensive distributed energy.
[0003] The tail gas discharged in the biogas power generation process has heat, and direct discharge of the tail gas will cause loss of heat energy and lead to an increase in air temperature, which will affect the working environment. Therefore, the utility model provides a biogas power generation waste heat recycling device. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a biogas power generation waste heat recycling device to solve the problem of heat in the tail gas discharged in the biogas power generation process, loss of heat energy caused by direct discharge of the tail gas, and an increase in air temperature, which will affect the working environment.
[0005] The outer cover is fixedly provided with a cover for the processing box, and the cover is fixedly provided with a cover for the processing box. The evaporation cylinder has the outer cover which is fixedly provided with a circle, and the outer cover is fixedly provided with a circle, and the evaporation cylinder has the outer cover which is fixedly provided with a circle.
[0006] The above scheme is adopted, by setting up a heat energy recovery box, and using the gas input pipe to input high-calorie biogas power generation exhaust gas. The high-calorie gas is filtered out of particulate residues through the filter residue net, and the odor is adsorbed by the activated carbon adsorption net, and then sprayed out through the annular pipe one and the nozzle one, and the cold water is sprayed out from the annular pipe two and the nozzle two. The high-calorie gas moves from bottom to top, and the cold water moves from top to bottom to achieve heat energy exchange. The high-calorie gas is discharged after cooling, and the cold water is discharged after heating, thereby achieving a good waste heat recovery effect and avoiding heat energy waste. By setting a rotating shaft one to cooperate with the disc and the filter residue net, the rotation of the disc can drive the filter residue net to move back and forth continuously, thereby avoiding the phenomenon of clogging the mesh of the filter residue net, ensuring the smooth flow of gas, and utilizing the absorbent sponge mesh to absorb the moist moisture mixed in the exhaust gas, thereby ensuring the good dryness of the exhaust gas.
[0007] Need explanation is, motor and external power supply electric connection.
[0008] As a preferred implementation, the upper surface of the processing box is provided with a sealing groove, and the lower surface of the processing box cover is fixedly installed with a sealing ring.
[0009] The sealing ring and the sealing groove are used in cooperation to realize stable sealing of the processing box and the processing box cover, and air leakage is avoided.
[0010] As a preferred implementation, the inner wall of the processing box is fixedly installed with a support frame, the mounting frame is arranged on the upper surface of the support frame, and a plurality of bolts are threadedly installed between the support frame and the mounting frame.
[0011] The mounting frame is supported by the support frame, and the assembly of the support frame and the mounting frame is realized by the bolts, so that the assembly structure is simple and the operation is convenient.
[0012] As a preferred implementation, the side surface of the residue filter net is fixedly installed with a sliding block, the lower surface of the sliding block is fixedly installed with a spring, the inner wall of the mounting frame is provided with a sliding groove for sliding of the sliding block, and the spring is fixedly installed on the inner wall of the sliding groove.
[0013] The sliding block slides in the sliding groove to support the up-down movement of the residue filter net, improve the movement stability, and the spring can ensure that the disc is always in contact with the residue filter net.
[0014] As a preferred implementation, the inner wall of the mounting shell is fixedly installed with a guide rod, and the sliding plate is slidingly installed on the outer surfaces of the guide rods.
[0015] The guide rod can support and guide the sliding process of the sliding plate, improve the movement stability, and prevent the sliding plate from shaking during movement.
[0016] As a preferred implementation, the end of the gas output pipe is provided with a water-absorbing sponge mesh plate, the end of the gas output pipe is fixedly installed with a locking rod, the surface of the locking rod is provided with threads, the water-absorbing sponge mesh plate is provided with a through hole for the locking rod to pass through, and the outer surface of the locking rod is threadedly installed with a locking nut.
[0017] The water-absorbing sponge mesh plate can absorb the wet water mixed in the discharged gas, thereby ensuring good dryness of the discharged gas, and the locking rod is used in cooperation with the locking nut, facilitating disassembly and assembly of the water-absorbing sponge mesh plate.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] The biogas power generation waste heat recycling device sets the heat energy recycling box, inputs the high-heat biogas power generation tail gas through the gas input pipe, filters out the particle dregs through the filter dregs net, adsorbs the peculiar smell through the activated carbon adsorption net, and then is sprayed out through the annular pipe one and the nozzle one; the cold water is sprayed out from the annular pipe two and the nozzle two; the high-heat gas moves from bottom to top, and the cold water moves from top to bottom, so that the heat energy exchange is realized; the high-heat gas is discharged after cooling, and the cold water is discharged after heating, so that the waste heat recycling effect is good, and the heat energy waste is avoided;
[0020] The biogas power generation waste heat recycling device sets the rotating shaft one, cooperates the disc and the filter dregs net, the rotation of the disc can drive the filter dregs net to reciprocate up and down continuously, so that the phenomenon that the filter dregs net is blocked is avoided, the smooth flow of the gas is ensured, the wet moisture mixed in the discharged gas is absorbed through the water absorption sponge net plate, and then the dryness of the discharged gas is good. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structural schematic view of the utility model;
[0022] Figure 2 It is a structural schematic view of the utility model section;
[0023] Figure 3 It is an explosion schematic view of the utility model processing box and processing box cover;
[0024] Figure 4 It is a structural schematic view of the utility model processing box cover;
[0025] Figure 5 It is a structural schematic view of the utility model processing box section;
[0026] Figure 6 It is a structural schematic view of the utility model installation frame and support frame section;
[0027] Figure 7 It is a structural schematic view of the utility model installation shell and clamping frame section;
[0028] Figure 8 It is a structural schematic view of the utility model gas output pipe
[0029] In the figure: 1, heat energy recovery box; 2, processing box; 3, processing box cover; 4, installation shell; 5, clamping frame; 6, rotating shaft one; 7, gear; 8, toothed plate; 9, sliding plate; 10, clamping plate; 11, gas input pipe; 12, installation frame; 13, residue filter net; 14, activated carbon adsorption net; 15, communication pipe one; 16, communication pipe two; 17, annular pipe one; 18, nozzle one; 19, cold water input pipe; 20, annular pipe two; 21, nozzle two; 22, hot water output pipe; 23, gas output pipe; 24, rotating shaft two; 25, motor; 26, disc; 27, sealing ring; 28, support frame; 29, bolt; 30, sliding block; 31, spring; 32, guide rod; 33, water absorption sponge net plate; 34, locking rod; 35, locking nut. DETAILED DESCRIPTION
[0030] Please refer to Figures 1-8The utility model provides a kind of biogas power generation waste heat recycling device, including heat energy recovery box 1, the lateral surface of heat energy recovery box 1 is fixedly installed with processing box 2, the upper surface of processing box 2 is attached and is laid with processing box cover 3, the left and right sides of processing box cover 3 are fixedly installed with installation shell 4, the left and right sides of processing box 2 are fixedly installed with two clamping position frames 5, rotationally installed with shaft one 6 in installation shell 4, one end of shaft one 6 extends out installation shell 4 and is fixedly installed with knob, the outer surface of shaft one 6 is fixedly installed with gear 7, two toothed plates 8 are meshed with the outer surface of gear 7 and two toothed plates 8 are laid with each other dislocation, one end of toothed plate 8 is fixedly installed with sliding plate 9, the lateral surface of sliding plate 9 is fixedly installed with clamping plate 10, clamping plate 10 slidingly penetrates and extends out installation shell 4 and is inserted in the inside of clamping position frame 5, gas input pipe 11 is installed on processing box cover 3 in penetration, detachably installed with mounting frame 12 in processing box 2, filter residue net 13 is movably arranged in mounting frame 12 upper, activated carbon adsorption net 14 is fixedly installed in the inside lower of mounting frame 12, shaft two 24 is rotatably installed on processing box cover 3, motor 25 is fixedly installed on the lateral surface of processing box cover 3, the output shaft of motor 25 is fixedly connected with shaft two 24, eccentrically installed with disc 26 on the outer surface of shaft two 24, disc 26 is attached and is laid on the surface of filter residue net 13, communication pipe one 15 is installed between processing box 2 and heat energy recovery box 1, communication pipe two 16 is installed in the one end of heat energy recovery box 1 inside of communication pipe one 15, communication pipe two 16 is installed in the one end away from communication pipe one 15 of annular pipe one 17, a plurality of spray heads one 18 are fixedly installed below annular pipe one 17, annular pipe two 20 is arranged above annular pipe one 17, a plurality of spray heads two 21 are fixedly installed below annular pipe two 20, annular pipe one 17 and annular pipe two 20 are fixedly installed in heat energy recovery box 1, cold water input pipe 19 is installed on annular pipe one 17 in penetration, cold water input pipe 19 extends out heat energy recovery box 1, hot water output pipe 22 and gas output pipe 23 are installed in the lower surface and upper surface of heat energy recovery box 1 respectively.
[0031] By setting the heat recovery tank 1, the high heat biogas power generation tail gas is input by the gas input pipe 11, the high heat gas is filtered by the filter residue net 13 to remove particle residue, the odor is adsorbed by the activated carbon adsorption net 14, and then is sprayed out through the annular pipe one 17 and the nozzle one 18, the cold water is sprayed out from the annular pipe two 20 and the nozzle two 21, the high heat gas moves from bottom to top, the cold water moves from top to bottom, the heat exchange is realized, the high heat gas is discharged after cooling, the cold water is discharged after heating, the good waste heat recovery effect is achieved, the heat waste is avoided, the filter residue net 13 is driven to reciprocate up and down by the rotation of the disc 26, the phenomenon of the filter residue net 13 being blocked is avoided, the smooth flow of the gas is ensured, the wet moisture mixed in the discharged gas is absorbed by the water absorption sponge net plate 33, and the dryness of the discharged gas is ensured to be good.
[0032] The upper surface of the treatment box 2 is provided with a sealing groove, and the lower surface of the treatment box cover 3 is fixedly provided with a sealing ring 27, which is used in cooperation with the sealing groove. The cooperation of the sealing ring 27 and the sealing groove can realize the stable sealing of the treatment box 2 and the treatment box cover 3, and avoid gas leakage.
[0033] The inner wall of the treatment box 2 is fixedly provided with a support frame 28, and the mounting frame 12 is arranged on the upper surface of the support frame 28. A plurality of bolts 29 are threadedly installed between the support frame 28 and the mounting frame 12. The support frame 28 is used to support the mounting frame 12, and the assembly of the support frame 28 and the mounting frame 12 is realized by the bolts 29. The assembly structure is simple and convenient to operate.
[0034] The side surface of the filter residue net 13 is fixedly provided with a sliding block 30, and the lower surface of the sliding block 30 is fixedly provided with a spring 31. The inner wall of the mounting frame 12 is provided with a sliding groove for the sliding block 30 to slide, and the spring 31 is fixedly installed on the inner wall of the sliding groove. The sliding of the sliding block 30 in the sliding groove can support the up-and-down movement of the filter residue net 13 and improve the movement stability. The spring 31 can ensure that the disc 26 is always in contact with the filter residue net 13.
[0035] The inner wall of the mounting shell 4 is fixedly provided with a guide rod 32, and the sliding plate 9 is slidingly installed on the outer surfaces of the guide rods 32. The guide rods 32 can support and guide the sliding of the sliding plate 9, improve the movement stability, and prevent the sliding plate 9 from shaking during movement.
[0036] The end of the gas output pipe 23 is provided with a water-absorbing sponge mesh plate 33, the end of the gas output pipe 23 is fixedly installed with a locking rod 34 and the surface of the locking rod 34 is provided with threads, the water-absorbing sponge mesh plate 33 is provided with a through hole for the locking rod 34 to pass through, the outer surface of the locking rod 34 is threadedly installed with a locking nut 35, the water-absorbing sponge mesh plate 33 can be used to absorb the humid water mixed in the discharged gas, thereby ensuring that the dryness of the discharged gas is good, and the locking rod 34 is used in cooperation with the locking nut 35, which facilitates the disassembly and assembly of the water-absorbing sponge mesh plate 33.
[0037] In use, the high-heat tail gas discharged by the biogas power generation is input into the processing box 2 through the gas input pipe 11, the filter residue mesh 13 filters out the particulate residue of the high-heat gas, the activated carbon adsorption mesh 14 adsorbs the odor of the high-heat gas, then the high-heat gas is conveyed to the annular pipe one 17 through the communication pipe one 15 and the communication pipe two 16, and is sprayed out through the spray head one 18, the high-heat gas moves from bottom to top, the cold water is input into the annular pipe two 20 through the cold water input pipe 19 and is sprayed out through the spray head two 21, the cold water moves from top to bottom, thereby realizing heat exchange, the gas is discharged from the gas output pipe 23 after being cooled, and the water-absorbing sponge mesh plate 33 absorbs the water mixed in the gas, the cold water is discharged from the hot water output pipe 22 after being heated, and the motor 25 works during the gas conveying process and drives the rotating shaft to drive the disc 26 to rotate, thereby driving the filter residue mesh 13 to continuously reciprocate up and down, realizing the oscillation of the filter residue mesh 13 and preventing the mesh hole from being blocked, after the operation is completed, the rotating knob is rotated to drive the rotating shaft one 6 to rotate, the rotating shaft one 6 drives the gear 7 to rotate, the gear 7 drives the toothed plate 8 to drive the sliding plate 9 to move, thereby driving the clamping plate 10 to move away from the clamping frame 5, at this time, the processing box cover 3 is unlocked, the processing box cover 3 is pulled up and removed, the bolt 29 is unscrewed to unlock the mounting frame 12 and pull it up, the filter residue mesh 13 and the activated carbon adsorption mesh 14 are cleaned, and the water-absorbing sponge mesh plate is removed by unscrewing the locking nut 35.
Claims
1. A biogas power generation waste heat recovery and reuse device, characterized by: The invention comprises a heat recovery box (1), a processing box (2) is fixedly installed on the side of the heat recovery box (1), a processing box cover (3) is attached to the upper surface of the processing box (2), a mounting shell (4) is fixedly installed on the left and right sides of the processing box cover (3), two positioning frames (5) are fixedly installed on the left and right sides of the processing box (2), a rotating shaft (6) is rotatably installed in the mounting shell (4), one end of the rotating shaft (6) extends out of the mounting shell (4) and is fixedly installed with a knob, a gear (7) is fixedly installed on the outer surface of the rotating shaft (6), and the outer surface of the gear (7) is meshed with two tooth plates (8 ) and the two tooth plates (8) are arranged in a staggered manner with respect to each other, a sliding plate (9) is fixedly installed on one end of the tooth plate (8), a locking plate (10) is fixedly installed on the side of the sliding plate (9), the locking plate (10) slides through and extends out of the mounting shell (4) and is inserted into the interior of the locking frame (5), a gas inlet pipe (11) is installed through the processing box cover (3), a mounting frame (12) is detachably installed in the processing box body (2), a filter residue net (13) is movably provided on the upper part of the mounting frame (12), an activated carbon adsorption net (14) is fixedly installed on the lower part of the mounting frame (12), and a filter element (11) is rotatably installed on the processing box cover (3). A second rotating shaft (24) is fixedly installed on the side of the treatment box cover (3), and the output shaft of the motor (25) is fixedly connected to the second rotating shaft (24). A disc (26) is eccentrically installed on the outer surface of the second rotating shaft (24), and the disc (26) is arranged on the surface of the filter residue net (13). A connecting pipe (15) is installed between the treatment box (2) and the heat recovery box (1). The end of the connecting pipe (15) located inside the heat recovery box (1) is connected to the second connecting pipe (16). The end of the connecting pipe (16) away from the connecting pipe (15) is connected to the annular pipe (17). ), a plurality of nozzles (18) are fixedly installed below the annular tube (17), an annular tube (20) is provided above the annular tube (17), a plurality of nozzles (21) are fixedly installed below the annular tube (20), the annular tube (17) and the annular tube (20) are both fixedly installed inside the heat recovery box (1), a cold water input pipe (19) is connected to the annular tube (17), the cold water input pipe (19) extends out of the heat recovery box (1), and a hot water output pipe (22) and a gas output pipe (23) are connected to the lower surface and the upper surface of the heat recovery box (1), respectively.
2. The biogas power generation waste heat recovery and reuse device according to claim 1, characterized in that: A sealing groove is provided on the upper surface of the processing box body (2), and a sealing ring (27) is fixedly installed on the lower surface of the processing box cover (3). The sealing ring (27) and the sealing groove are used in conjunction with each other.
3. The biogas power generation waste heat recovery and reuse device according to claim 1, characterized in that: A support frame (28) is fixedly mounted on the inner wall of the processing box (2), the mounting frame (12) is arranged on the upper surface of the support frame (28), and a plurality of bolts (29) are threadedly mounted between the support frame (28) and the mounting frame (12).
4. The biogas power generation waste heat recovery and reuse device according to claim 1, characterized in that: A sliding block (30) is fixedly mounted on the side of the filter residue net (13), a spring (31) is fixedly mounted on the lower surface of the sliding block (30), an inner wall of the installation frame (12) is provided with a sliding groove for the sliding block (30) to slide, and the spring (31) is fixedly mounted on the inner wall of the sliding groove.
5. The biogas power generation waste heat recovery and reuse device according to claim 1, characterized in that: The inner wall of the mounting shell (4) is fixedly mounted with guide rods (32), and the sliding plate (9) is slidably mounted on the outer surfaces of a plurality of guide rods (32).
6. The biogas power generation waste heat recovery and reuse device according to claim 1, characterized in that: The end of the gas output pipe (23) is provided with a water-absorbing sponge mesh plate (33), the end of the gas output pipe (23) is fixedly mounted with a locking rod (34) and the surface of the locking rod (34) has a thread, the water-absorbing sponge mesh plate (33) is provided with a through hole for the locking rod (34) to pass through, and the outer surface of the locking rod (34) is threadedly mounted with a locking nut (35).