Biogas energy-saving decarburization device

Abstract

The utility model discloses a biogas energy-saving decarburization device which comprises a bottom plate, a decarburization tank is arranged on one side above the bottom plate, a gas inlet pipe is fixed below one side of the decarburization tank, a storage box is arranged above one side of the decarburization tank, a water pump is installed above the storage box, a hose is installed above the water pump, and a gas outlet pipe is installed above the hose. A sealing cover is mounted above the decarburization tank; according to the biogas energy-saving decarburization device, through cooperative use of a connecting disc, a second bolt, a connecting pipe, a filter box, a filter screen and a discharge pipe, after decarburization of biogas is completed, the biogas is discharged into the filter box from a gas outlet pipe, and after the biogas is subjected to multiple filtration through the filter screen in the filter box, impurities in the biogas are filtered out, so that the energy-saving decarburization effect of the biogas is improved. Finally, the biogas is discharged through the discharge pipe, the purity of the biogas after decarbonization is improved, the biogas utilization rate is increased, the practicability is high, meanwhile, the connecting pipe and the gas outlet pipe are conveniently connected through the arrangement of a connecting disc and a second bolt, and the connecting mode is simple.

Description

Technical Field

[0001] The utility model relates to the technical field related to biogas treatment, in particular to a biogas energy-saving decarbonization device. Background Art

[0002] Biogas is a combustible gas produced by microbial fermentation of organic matter in an anaerobic environment under certain temperature, humidity and pH conditions. Since this gas was originally found in swamps, lakes and ponds, people call it biogas. Biogas has attracted great attention as a renewable and clean energy with high calorific value. my country has abundant reserves of biogas resources and huge market demand. Before biogas is put into use, it must be decarbonized, which requires the use of a decarbonization device.

[0003] However, after removing carbon dioxide from biogas, the existing decarbonization device is not convenient for removing impurities carried in the biogas, which affects the effect of subsequent use of the biogas and has poor practicality. Therefore, the present application provides a biogas energy-saving decarbonization device to meet the needs. Utility Model Content

[0004] The purpose of the utility model is to provide a biogas energy-saving decarbonization device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biogas energy-saving decarbonization device, comprising a base plate, a decarbonization tank is arranged on one side above the base plate, an air inlet pipe is fixed below one side of the decarbonization tank, a storage box is arranged above one side of the decarbonization tank, a water pump is installed above the storage box, a hose is installed above the water pump, a sealing cover is installed above the decarbonization tank, a fixing block is fixed to the outer side of the sealing cover, a first bolt penetrates above the fixing block, an outlet pipe is fixed to the other side of the decarbonization tank, a connecting plate is installed on one side of the outlet pipe, a second bolt penetrates one side of the connecting plate, a connecting pipe is fixed to one side of the connecting plate, a filter box is arranged on the other end of the connecting pipe, a filter screen is installed inside the filter box, and a discharge pipe is fixed to one side of the filter box.

[0006] Preferably, the other end of the hose passes through the interior of the sealing cover, and the hose is used in conjunction with a water pump.

[0007] Preferably, a sewage pipe is installed on one side below the decarbonization tank, and a valve is installed on one side of the sewage pipe.

[0008] Preferably, the sealing cover is threadedly connected to the decarbonization tank via a first bolt, and the diameter of the sealing cover matches the diameter of the decarbonization tank.

[0009] Preferably, a spray rack is installed below the sealing cover, and a spray head is installed below the spray rack.

[0010] Preferably, the connecting pipe is threadedly connected to the air outlet pipe via second bolts, and the second bolts are distributed in a ring shape on one side of the connecting plate.

[0011] Preferably, the filter screens are arranged at equal intervals inside the filter box, and the filter screens are used in conjunction with the filter box.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The biogas energy-saving decarbonization device is used in combination with a connecting plate, a second bolt, a connecting pipe, a filter box, a filter screen and a discharge pipe. After the biogas is decarbonized, the biogas is discharged from the outlet pipe into the inside of the filter box. After the biogas passes through the filter screen inside the filter box for multiple filtrations, the impurities in the biogas are filtered, and finally the biogas is discharged through the discharge pipe, thereby improving the purity of the biogas after decarbonization, increasing the utilization rate of the biogas, and having high practicality. At the same time, the arrangement of the connecting plate and the second bolt facilitates the connection of the connecting pipe with the outlet pipe, and the connection method is relatively simple.

[0014] 2. The biogas energy-saving decarbonization device, through the setting of the sewage pipe and the valve, will leave sewage in the decarbonization tank after the decarbonization is completed. By opening the valve, the sewage inside the decarbonization tank can be discharged from the sewage pipe, so that the device can be used multiple times;

[0015] 3. The biogas energy-saving decarbonization device is provided with a storage box, a water pump, a hose, a first bolt, a spray rack and a nozzle. When in use, a lime water solution is added to the inside of the storage box, and the lime water solution is sprayed into the inside of the decarbonization tank through the nozzle. Carbon dioxide and the lime water solution form calcium carbonate precipitation, thereby removing carbon dioxide from the biogas. The setting of the spray rack enables the nozzle to spray the lime water solution in the decarbonization tank more comprehensively, thereby improving the biogas decarbonization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the storage box of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the spray rack of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the connection disk of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the filter box of the utility model.

[0021] In the figure: 1. bottom plate; 2. decarbonization tank; 3. air inlet pipe; 4. storage box; 5. water pump; 6. hose; 7. drain pipe; 8. valve; 9. sealing cover; 10. fixing block; 11. first bolt; 12. spray rack; 13. nozzle; 14. air outlet pipe; 15. connecting plate; 16. second bolt; 17. connecting pipe; 18. filter box; 19. filter screen; 20. discharge pipe. 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.

[0023] See also Figure 1-2 The utility model provides a technical solution: a biogas energy-saving decarbonization device, including a bottom plate 1, a decarbonization tank 2 is arranged on one side above the bottom plate 1, an air intake pipe 3 is fixed below one side of the decarbonization tank 2, a storage box 4 is arranged above one side of the decarbonization tank 2, a water pump 5 is installed above the storage box 4, a hose 6 is installed above the water pump 5, and the other end of the hose 6 penetrates into the interior of the sealing cover 9, the hose 6 is used in conjunction with the water pump 5, the switch of the water pump 5 is turned on, and the lime water solution is pumped into the hose 6, so that it can be sprayed into the interior of the decarbonization tank 2 through the nozzle 13, a sewage pipe 7 is installed on one side of the bottom of the decarbonization tank 2, and a valve 8 is installed on one side of the sewage pipe 7. After decarbonization is completed, sewage will be left in the decarbonization tank 2. By opening the valve 8, the sewage inside the decarbonization tank 2 can be discharged from the sewage pipe 7, so that the device can be used multiple times;

[0024] See also Figure 1 and Figure 3 A sealing cover 9 is installed above the decarbonization tank 2. The sealing cover 9 is threadedly connected to the decarbonization tank 2 through a first bolt 11. The diameter of the sealing cover 9 matches the diameter of the decarbonization tank 2, which is convenient for disassembly and assembly of the sealing cover 9 and for the staff to install a spray rack 12. A fixing block 10 is fixed to the outside of the sealing cover 9. The first bolt 11 penetrates the top of the fixing block 10. A spray rack 12 is installed below the sealing cover 9. A nozzle 13 is installed below the spray rack 12. The arrangement of the spray rack 12 enables the nozzle 13 to spray lime water solution in the decarbonization tank 2 more comprehensively, thereby improving the decarbonization efficiency of biogas. An outlet pipe 14 is fixed to the other side of the decarbonization tank 2;

[0025] See also Figure 4-5A connecting plate 15 is installed on one side of the air outlet pipe 14, and a second bolt 16 is passed through one side of the connecting plate 15. A connecting pipe 17 is fixed on one side of the connecting plate 15. The connecting pipe 17 is threadedly connected to the air outlet pipe 14 through the second bolt 16. The second bolt 16 is distributed in a ring shape on one side of the connecting plate 15. The arrangement of the connecting plate 15 and the second bolt 16 facilitates the connection of the connecting pipe 17 with the air outlet pipe 14. The connection method is relatively simple. A filter box 18 is arranged at the other end of the connecting pipe 17. The interior of the filter box 18 A filter screen 19 is installed. The filter screen 19 is arranged at equal intervals inside the filter box 18. The filter screen 19 is used in conjunction with the filter box 18. After the biogas is decarbonized, the biogas is discharged from the outlet pipe 14 into the filter box 18. After the biogas passes through the filter screen 19 inside the filter box 18 for multiple filtrations, the impurities in the biogas are filtered and finally the biogas is discharged through the discharge pipe 20, thereby improving the purity of the biogas after decarbonization and increasing the utilization rate of the biogas. A discharge pipe 20 is fixed on one side of the filter box 18.

[0026] Working principle: When using the biogas energy-saving and decarbonization device, first connect the external power supply, then add lime water solution into the storage box 4, introduce the biogas from the air inlet pipe 3 into the decarbonization tank 2, then turn on the switch of the water pump 5, extract the lime water solution into the hose 6, and spray it into the decarbonization tank 2 through the nozzle 13. The carbon dioxide and the lime water solution form calcium carbonate precipitation, thereby removing the carbon dioxide in the biogas. Secondly, the decarbonized biogas is discharged from the outlet pipe 14 into the filter box 18. After the biogas passes through the filter 19 inside the filter box 18 for multiple filtrations, the impurities in the biogas are filtered, and finally the biogas is discharged through the discharge pipe 20 to improve the purity of the biogas after decarbonization. Finally, after decarbonization is completed, sewage will be left in the decarbonization tank 2. By opening the valve 8, the sewage inside the decarbonization tank 2 can be discharged from the sewage pipe 7. The external power supply of the device is cut off when the device is not used. The model of the water pump 5 is PW-175EAH, and the use process of the biogas energy-saving and decarbonization device is completed.

[0027] 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 biogas energy-saving decarbonization device, comprising a bottom plate (1), characterized in that: A decarbonization tank (2) is arranged on one side above the bottom plate (1), an air intake pipe (3) is fixed below one side of the decarbonization tank (2), a storage box (4) is arranged above one side of the decarbonization tank (2), a water pump (5) is installed above the storage box (4), a hose (6) is installed above the water pump (5), a sealing cover (9) is installed above the decarbonization tank (2), a fixing block (10) is fixed on the outside of the sealing cover (9), and a first screw thread is passed through the top of the fixing block (10). A bolt (11) is provided on the other side of the decarbonization tank (2); an air outlet pipe (14) is fixed on one side of the air outlet pipe (14); a connecting plate (15) is installed on one side of the connecting plate (15); a second bolt (16) passes through one side of the connecting plate (15); a connecting pipe (17) is fixed on one side of the connecting plate (15); a filter box (18) is provided at the other end of the connecting pipe (17); a filter screen (19) is installed inside the filter box (18); and a discharge pipe (20) is fixed on one side of the filter box (18).

2. A biogas energy-saving decarbonization device according to claim 1, characterized in that: The other end of the hose (6) penetrates into the interior of the sealing cover (9), and the hose (6) is used in conjunction with the water pump (5).

3. The biogas energy-saving and decarbonization device according to claim 1 is characterized in that: A sewage pipe (7) is installed on one side below the decarbonization tank (2), and a valve (8) is installed on one side of the sewage pipe (7).

4. The biogas energy-saving and decarbonization device according to claim 1 is characterized in that: The sealing cover (9) is threadedly connected to the decarbonization tank (2) via a first bolt (11), and the diameter of the sealing cover (9) matches the diameter of the decarbonization tank (2).

5. The biogas energy-saving and decarbonization device according to claim 1 is characterized in that: A spray rack (12) is installed below the sealing cover (9), and a spray head (13) is installed below the spray rack (12).

6. The biogas energy-saving and decarbonization device according to claim 1 is characterized in that: The connecting pipe (17) is threadedly connected to the air outlet pipe (14) via second bolts (16), and the second bolts (16) are distributed in a ring shape on one side of the connecting plate (15).

7. The biogas energy-saving and decarbonization device according to claim 1 is characterized in that: The filter screens (19) are arranged at equal intervals inside the filter box (18), and the filter screens (19) are used in conjunction with the filter box (18).

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