Farm biogas catalytic combustion resource utilization device
By designing a device that includes a filter pipe, a ventilation pipe, a heat recovery box, and an activated carbon filter, the problem of low energy utilization efficiency after biogas catalytic combustion in livestock farms was solved, and air disinfection and heat recovery were achieved, thereby improving the overall energy utilization efficiency.
Patent Information
- Application Number
- CN202520017235.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The energy utilization efficiency of biogas catalytic combustion in livestock farms is low, especially in summer when biogas is wasted.
Design a device comprising a filter pipe, a ventilation pipe, an exhaust fan, a heat recovery box, a biogas burner, and a heat-conducting component. The device performs thermal decomposition, disinfection, and deodorization by burning biogas and odorous gases, and uses the heat recovery box to recover heat for use in a sludge dryer. It also incorporates an activated carbon filter for secondary deodorization.
While achieving air disinfection and deodorization in the farm, it also improved energy utilization efficiency, and the recovered heat was used for sludge drying, thus improving the overall energy utilization rate.
Smart Images
Figure CN223882344U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biogas utilization technical field, concretely relates to a farm biogas catalytic combustion resource utilization device. BACKGROUND
[0002] The farm biogas as greenhouse gas can not be directly discharged, and its treatment has multiple ways, is converted into carbon dioxide and water through flare combustion, or generates power through biogas generator, then supplies the power for the farm feeding, or supplies the power for the life of farm staff, because the methane content in the bioggas is unstable, the voltage generated by power generation is also unstable, so it is very difficult to be incorporated into the national power grid.
[0003] At present, many farms apply excrement treatment system to oxidize and decompose excrement into biogas and clean water for recycling, and the biogas can be used to heat the farm after combustion, but this way is used to heat the farm, and the energy utilization efficiency is low, and the farm does not need too much heating many times, especially in summer, the biogas is wasted.
[0004] Therefore, it is particularly important to design a farm biogas catalytic combustion resource utilization device to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] In view of the deficiencies of the prior art, the utility model designs a farm biogas catalytic combustion resource utilization device, which aims to solve the technical problem of low energy utilization efficiency after the farm biogas catalytic combustion under the prior art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A farm biogas catalytic combustion resource utilization device, comprising a filter pipe, a filter assembly is fixedly installed in the inside of the filter pipe, a ventilation pipe is fixedly installed at the rear end of the filter pipe, a suction fan is fixedly installed at the front end in the ventilation pipe, a heat recovery tank is fixedly installed at the rear end of the suction fan, a connecting pipe is fixedly installed at the rear of the biogas burner, a biogas burner is fixedly installed at the rear end of the connecting pipe, and a communicating pipe is fixedly installed at the rear end of the biogas burner.
[0008] First water tank and second water tank are installed at the upper and lower ends in the heat recovery tank respectively, water inlet pipe and water outlet pipe are fixedly connected at the left and right ends on the top of the first water tank respectively, a plurality of groups of heat conducting pipes are fixedly connected between the first water tank and the second water tank, and a plurality of groups of heat conducting plates are fixedly connected to the outside of the plurality of groups of heat conducting pipes.
[0009] As the preferred scheme of the utility model, the water pump is fixedly installed at one end of the water outlet pipe outside the heat recovery tank, and the mounting feet are fixedly connected to the upper and lower ends on the left and right sides of the plurality of groups of heat conducting plates.
[0010] As the preferred scheme of the utility model, the filter assembly includes the mounting plate fixedly installed at the top of the filter pipe, the bottom of the mounting plate is inserted with multiple groups of connecting frames, the inside of multiple groups of the connecting frames is fixedly installed with the activated carbon filter screen, the outside of multiple groups of the activated carbon filter screen is provided with the draw groove.
[0011] As the preferred scheme of the utility model, the filter pipe is provided with the installation groove at the position corresponding to the mounting plate, the four corners of the top of the mounting plate are fixedly installed with the handle.
[0012] As the preferred scheme of the utility model, the bottom end inside the filter pipe and located at the front and back of the connecting frame is fixedly connected with the positioning plate, the bottom end inside the filter pipe and located between the positioning plates is provided with the leakage groove, the bottom end of the filter pipe is inserted with the collection box, and multiple groups of the leakage groove are communicated with the inside of the collection box.
[0013] As the preferred scheme of the utility model, the top of the biogas burner is fixedly installed with the air inlet pipe, the inside of the biogas burner is installed with multiple groups of the combustion spray head, and multiple groups of the combustion spray head are distributed in the inside of the biogas burner in the circumferential direction at equal intervals.
[0014] As the preferred scheme of the utility model, the rear end of the communication pipe is fixedly connected with the mounting flange, and multiple groups of mounting holes are formed in the mounting flange.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、In the utility model, through the cooperation design of the heat recovery box and the biogas burner, the biogas and the odor are combusted together through the biogas burner, the odor pollutants are decomposed, the odor is disinfected, deodorized and treated through heat decomposition, the gas after disinfection and deodorization is cooled through the cold water imported when passing through the heat recovery box, the hot air is cooled at the same time, the cold water is discharged through the water outlet pipe after heat absorption, the hot water discharged through the water outlet pipe provides heat energy for the sludge dryer, the sludge or organic fertilizer is dried by the sludge dryer, not only the air in the farm can be disinfected and deodorized, but also the recovered heat can be utilized, the energy utilization efficiency after the biogas catalytic combustion of the farm is greatly improved.
[0017] 2、In the utility model, through the design of the filter assembly, multiple groups of activated carbon filter screens are installed at the bottom of the mounting plate through the connecting frame, then are installed in the inside of the filter pipe through the mounting plate, after disinfection and cooling, the air in the farm is filtered and deodorized twice through multiple groups of activated carbon filter screens in the filter pipe, the connecting frame can be drawn out after the mounting plate is taken out, so that the activated carbon filter screen is conveniently cleaned and maintained. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic view of the utility model;
[0019] Figure 2 It is the filter pipe internal structure schematic view of the utility model;
[0020] Figure 3 It is the filter assembly structure schematic view of the utility model;
[0021] Figure 4 It is the connection frame structure schematic view of the utility model;
[0022] Figure 5 It is the ventilation pipe structure schematic view of the utility model;
[0023] Figure 6 It is the heat recovery tank internal structure schematic view of the utility model;
[0024] Figure 7 It is Figure 6 The enlarged view of A in the middle;
[0025] Figure 8 It is the biogas burner structure schematic view of the utility model.
[0026] In the figure: 1, filter pipe; 2, filter assembly; 201, mounting plate; 202, connection frame; 203, activated carbon filter screen; 204, draw groove; 205, installation groove; 206, lifting handle; 207, positioning plate; 208, leakage groove; 209, collection box; 3, ventilation pipe; 4, exhaust fan; 5, heat recovery tank; 501, first water tank; 502, second water tank; 503, water inlet pipe; 504, water outlet pipe; 505, heat conduction pipe; 506, heat conduction plate; 507, water pump; 508, mounting foot; 6, connecting pipe; 7, biogas burner; 701, air inlet pipe; 702, combustion nozzle; 8, communication pipe; 801, mounting flange. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] Embodiment:
[0029] Please refer to Figures 1-8 The utility model provides a technical scheme:
[0030] The utility model provides a farm biogas catalytic combustion resource utilization device, including filter pipe 1, the inside fixed mounting of filter pipe 1 has filter assembly 2, the rear end fixed mounting of filter pipe 1 has draught fan 4 in the front end fixed mounting of ventilation pipe 3 inside, the rear end fixed mounting of draught fan 4 has marsh gas burner 7, the rear of marsh gas burner 7 fixed mounting has connecting pipe 6, the rear end fixed mounting of connecting pipe 6 has heat recovery tank 5, the rear end fixed mounting of heat recovery tank 5 has communication pipe 8.
[0031] Firstly, in the embodiment, the specific structure of the heat recovery tank 5 is as follows:
[0032] The upper and lower ends of the heat recovery tank 5 are respectively provided with a first water tank 501 and a second water tank 502, the left and right ends of the top of the first water tank 501 are respectively fixedly connected with a water inlet pipe 503 and a water outlet pipe 504, a plurality of heat conducting pipes 505 are fixedly connected between the first water tank 501 and the second water tank 502, a plurality of heat conducting plates 506 are fixedly connected to the outer sides of the plurality of heat conducting pipes 505, cold water is introduced into the first water tank 501 through the water inlet pipe 503, and then the first water tank 501 is filled with the cold water introduced into the second water tank 502 through the plurality of heat conducting pipes 505, the communication pipe 8 is fixedly installed at the exhaust port of the farm, and the foul gas in the farm is extracted under the action of the draught fan 4, then the marsh gas and the foul gas are burned together to perform heat decomposition, disinfection and deodorization treatment through the marsh gas burner 7, when the gas after disinfection and deodorization passes through the heat recovery tank 5, the first water tank 501, the second water tank 502, the heat conducting pipe 505 and the plurality of heat conducting plates 506 are all made of heat conducting metal materials, the plurality of heat conducting pipes 505 and the plurality of heat conducting plates 506 can all improve the heat conducting area, so that the hot air is cooled and cooled, and the hot water extracted through the water outlet pipe 504 provides heat energy for the sludge dryer, the sludge or organic fertilizer is dried by the sludge dryer, and the air after cooling is finally extracted after being filtered and deodorized twice by the filter assembly 2, so that the air in the farm can be disinfected and deodorized, the recovered heat can be utilized, and the efficiency of energy utilization after the farm biogas is catalytically combusted is greatly improved.
[0033] Further, one end of the water outlet pipe 504 located outside the heat recovery tank 5 is fixedly provided with a water pump 507, and the upper and lower ends of the left and right sides of the plurality of heat conducting plates 506 are fixedly connected with mounting feet 508, the hot water is extracted by the water pump 507 after the water temperature rises, the hot water extracted through the water outlet pipe 504 provides heat energy for the sludge dryer, the sludge or organic fertilizer is dried by the sludge dryer, and the heat conducting plates 506 are installed and fixed by the mounting feet 508.
[0034] Then, the filtering assembly 2 comprises a mounting plate 201 fixedly installed at the top of the filtering pipe 1, the bottom of the mounting plate 201 is inserted with a plurality of connecting frames 202, the inside of each connecting frame 202 is fixedly installed with an activated carbon filter screen 203, the outer side of each activated carbon filter screen 203 is provided with a pulling groove 204, the plurality of activated carbon filter screens 203 are installed at the bottom of the mounting plate 201 through the connecting frames 202, and then are installed in the inside of the filtering pipe 1 through the mounting plate 201, after sterilization and cooling, the air in the farm is filtered and deodorized twice through the plurality of activated carbon filter screens 203 in the filtering pipe 1, and after the mounting plate 201 is disassembled, the connecting frame 202 can be pulled out, so that the activated carbon filter screen 203 is conveniently cleaned and maintained.
[0035] Further, the top of the filtering pipe 1 is provided with an installation groove 205 at the position corresponding to the mounting plate 201, the top of the mounting plate 201 is fixedly installed with a handle 206 at four corners, the mounting plate 201 is conveniently positioned and installed through the installation groove 205, so that the mounting plate 201 is conveniently taken out and placed through the handle 206 for disassembly and maintenance.
[0036] The bottom end of the inside of the filtering pipe 1 and located at the front and back of the connecting frame 202 is fixedly connected with a positioning plate 207, the bottom end of the inside of the filtering pipe 1 and located between the positioning plates 207 is provided with a leakage groove 208, the bottom end of the filtering pipe 1 is inserted with a collection box 209, and the plurality of leakage grooves 208 are in communication with the inside of the collection box 209, the connecting frame 202 is positioned at the front and back of the inside of the filtering pipe 1 through the positioning plate 207, and the impurities falling from the activated carbon filter screen 203 can fall into the inside of the leakage groove 208 and be collected through the collection box 209, so that the impurities accumulated after the activated carbon filter screen 203 is used for a long time affect the filtering effect, thereby reducing the maintenance frequency of the activated carbon filter screen 203.
[0037] Secondly, the top of the biogas burner 7 is fixedly installed with an air inlet pipe 701, a plurality of combustion nozzles 702 are installed in the inside of the biogas burner 7, and the plurality of combustion nozzles 702 are distributed in the circumferential direction at equal intervals in the inside of the biogas burner 7, the biogas is introduced through the air inlet pipe 701, and then the biogas and odor are ignited through the plurality of combustion nozzles 702, the odor pollutants are decomposed, and the air is disinfected and deodorized.
[0038] Finally, the rear end of the communication pipe 8 is fixedly connected with a mounting flange 801, a plurality of mounting holes are formed in the mounting flange 801, and the communication pipe 8 is installed at the air outlet of the farm through the mounting flange 801.
[0039] In the embodiment, the specific implementation scene is that: cold water is introduced into the first water tank 501 through the water inlet pipe 503, then the second water tank 502 is filled by introducing the cold water into the second water tank 502 through the multiple groups of heat conducting pipes 505, the communication pipe 8 is fixedly installed at the air outlet of the breeding farm, under the action of the air extractor 4, the odor inside the breeding farm is extracted, then the biogas and the odor are combusted and heat-decomposed by the biogas combustor 7 for sterilization and deodorization treatment, when the sterilized and deodorized gas passes through the heat recovery tank 5, the first water tank 501, the second water tank 502, the heat conducting pipe 505 and the multiple groups of heat conducting plates 506 are made of heat conducting metal materials, the multiple groups of heat conducting pipes 505 and the multiple groups of heat conducting plates 506 can improve the heat conducting area, so that the hot air is cooled and cooled, at the same time, the cold water is cooled and then discharged through the water outlet pipe 504, the hot water discharged through the water outlet pipe 504 provides heat energy for the sludge dryer, the sludge dryer is used for drying the sludge or organic fertilizer, and the cooled air is finally discharged after being filtered and deodorized twice by the filtering assembly 2, the whole operation process is simple and convenient, and the utility model can not only sterilize and deodorize the air in the breeding farm by using the catalytic combustion biogas, but also recycle the heat, so that the energy utilization efficiency of the breeding farm after the biogas is catalytically combusted is greatly improved.
[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A farm biogas catalytic combustion resource utilization device, comprising a filter pipe (1), characterized in that: The inside of the filter pipe (1) is fixedly installed with a filter assembly (2), the rear end of the filter pipe (1) is fixedly installed with a ventilation pipe (3), the front end of the inside of the ventilation pipe (3) is fixedly installed with an exhaust fan (4), the rear end of the exhaust fan (4) is fixedly installed with a heat recovery tank (5), the rear of the heat recovery tank (5) is fixedly installed with a connecting pipe (6), the rear end of the connecting pipe (6) is fixedly installed with a biogas burner (7), and the rear end of the biogas burner (7) is fixedly installed with a communication pipe (8). The upper and lower ends of the inside of the heat recovery tank (5) are respectively installed with a first water tank (501) and a second water tank (502), the left and right ends of the top of the first water tank (501) are respectively fixedly connected with a water inlet pipe (503) and a water outlet pipe (504), a plurality of groups of heat conducting pipes (505) are fixedly connected between the first water tank (501) and the second water tank (502), and a plurality of groups of heat conducting plates (506) are fixedly connected outside the plurality of groups of heat conducting pipes (505).
2. The farm biogas catalytic combustion resource utilization device according to claim 1, characterized in that: One end of the water outlet pipe (504) outside the heat recovery tank (5) is fixedly installed with a water pump (507), and the upper and lower ends of the left and right sides of the plurality of groups of heat conducting plates (506) are fixedly connected with mounting feet (508).
3. The farm biogas catalytic combustion resource utilization device according to claim 1, characterized in that: The filter assembly (2) comprises a mounting plate (201) fixedly installed on the top of the filter pipe (1), a plurality of groups of connecting frames (202) are inserted into the bottom of the mounting plate (201), and activated carbon filter screens (203) are fixedly installed in the interiors of the plurality of groups of connecting frames (202).
4. The farm biogas catalytic combustion resource utilization device according to claim 3, characterized in that: An installation groove (205) is formed at a position corresponding to the mounting plate (201) on the top of the filter pipe (1), and a handle (206) is fixedly installed at each of the four corners of the top of the mounting plate (201).
5. The farm biogas catalytic combustion resource utilization device according to claim 3, characterized in that: Positioning plates (207) are fixedly connected to the bottom end of the interior of the filter pipe (1) and located on the front and rear sides of the connecting frames (202), leakage grooves (208) are formed in the bottom end of the interior of the filter pipe (1) and located between the positioning plates (207), a collection tank (209) is inserted into the bottom end of the filter pipe (1), and the plurality of groups of leakage grooves (208) are in communication with the interior of the collection tank (209).
6. The farm biogas catalytic combustion resource utilization device according to claim 1, characterized in that: An air inlet pipe (701) is fixedly installed on the top of the biogas burner (7), a plurality of groups of combustion nozzles (702) are installed on the inner side of the biogas burner (7), and the plurality of groups of combustion nozzles (702) are distributed at equal intervals in the circumferential direction in the interior of the biogas burner (7).
7. The farm biogas catalytic combustion resource utilization device according to claim 1, characterized in that: A mounting flange (801) is fixedly connected to the rear end of the communication pipe (8), and a plurality of mounting holes are formed in the mounting flange (801).