CN215517288U - Comprehensive purification treatment device for biogas - Google Patents
Comprehensive purification treatment device for biogas Download PDFInfo
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- CN215517288U CN215517288U CN202121384574.5U CN202121384574U CN215517288U CN 215517288 U CN215517288 U CN 215517288U CN 202121384574 U CN202121384574 U CN 202121384574U CN 215517288 U CN215517288 U CN 215517288U
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Abstract
A biogas comprehensive purification treatment device comprises a cylindrical barrel body, wherein a support plate I and a support plate II are sequentially arranged in the barrel body, a filter packing layer is arranged on the support plate I, a desulfurizer layer is arranged on the support plate II, a demister is arranged above the desulfurizer layer, a water accumulation groove is arranged at the bottom of the barrel body and below the support plate I, a biogas inlet pipe is arranged at the upper part of one side of the water accumulation groove, a U-shaped bent pipe drain pipe is arranged at the lower part of the other side of the water accumulation groove, and the top of the barrel body is connected with a biogas outlet pipe through a conical cover; the filling port is arranged on the barrel body wall at the position of the filtering and filling layer, the manhole door is arranged on one side of the barrel body wall at the position of the desulfurizing agent layer, the entering marsh gas firstly passes through the water removing layer to capture a large amount of water carried by the marsh gas, then the marsh gas enters the desulfurizing layer to remove H2S contained in the marsh gas, and the moisture in the marsh gas is further removed by the demister before the outlet, so that the marsh gas at the outlet is ensured to be clean. The methane tank has the advantages of simple structure, convenient use, high purity of the methane up to more than 99 percent, and convenient material replacement.
Description
Technical Field
The utility model relates to a comprehensive biogas purification device, which is particularly suitable for biogas treatment generated by livestock manure, agricultural wastes, industrial organic wastes, domestic sewage and municipal domestic garbage leachate.
Background
The biogas is an environment-friendly, clean and cheap combustible gas generated by the microbial action of livestock manure, agricultural wastes, industrial organic wastes, domestic sewage, municipal domestic garbage and the like in an anaerobic environment, and the main components of the biogas are methane and carbon dioxide. The main acquisition ways of the biogas are 2, one is to prepare the biogas by anaerobic digestion engineering; the other is to collect the marsh gas generated by the municipal solid waste landfill or leachate fermentation.
At present, the biogas treatment mode is to arrange a desulfurizing tower for treating H2S in the biogas and arrange a steam-water separator for treating moisture in the biogas. Although biogas can be treated, this treatment has the following disadvantages: 1. the number of equipment is large, the maintenance and overhaul amount is large, and the occupied area is large; 2. the equipment is connected with the pipeline, so that the system resistance is large; 3. the water in the biogas is not thoroughly treated, which is not favorable for the effective utilization of the biogas.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a comprehensive biogas purification treatment device which is simple in structure, small in occupied area, convenient in material replacement and high in purification efficiency.
In order to achieve the above purpose, the utility model provides a technical scheme for solving the technical problems:
a biogas comprehensive purification treatment device comprises a cylindrical barrel body, wherein a support plate I and a support plate II are sequentially arranged in the barrel body, a filter packing layer is arranged on the support plate I, a desulfurizer layer is arranged on the support plate II, a demister is arranged above the desulfurizer layer, a water accumulation groove is arranged at the bottom of the barrel body and below the support plate I, a biogas inlet pipe is arranged at the upper part of one side of the water accumulation groove, a U-shaped bent pipe drain pipe for realizing self sealing is arranged at the lower part of the other side of the water accumulation groove, and the top of the barrel body is connected with a biogas outlet pipe through a conical cover; a filling port I is arranged on one side of the barrel wall at the position of the filter packing layer, a manhole door is arranged on one side of the barrel wall at the position of the desulfurizer layer, a filling port II is arranged on one side of the barrel wall at the position between the desulfurizer layer and the demister, a pressure gauge I is arranged on the barrel wall at the spatial position above the filter packing layer, a pressure gauge II is arranged on the barrel wall at the spatial position at the lower part of the demister, and a pressure gauge III is arranged on the barrel wall at the spatial position at the upper part of the demister; the biogas enters the barrel body from an inlet pipe at the lower part of the barrel body, particle impurities and partial water contained in the biogas are captured through a filtering and filling layer, the biogas after primary purification enters a desulfurizer layer, H2S in the biogas is removed, and then the residual water and the water generated by desulfurization in the biogas are removed through a demister.
The I support plate is a stainless steel orifice plate, the aperture of the orifice plate is 20-35 mm, and the porosity is greater than 80%.
The filtering filler layer is chemical filler made of PP, PVC or ceramic materials.
The thickness of the filtering filler layer is 200-500 mm, and the resistance loss of the filler layer is not more than 500 Pa.
The II supporting plate is a stainless steel pore plate, the pore diameter of the pore plate is 10-20 mm, and the porosity is more than 70%.
The demister is used for ensuring that the water removal efficiency is more than 90% in the chemical industry.
The empty tower flow velocity of the biogas entering the barrel body from the inlet pipe in the barrel body is controlled to be 0.5-1.5 m/s.
The pressure of the biogas entering the barrel from the inlet pipe is not more than 1500Pa, and is controlled to be 500-1000 Pa.
Has the advantages that: due to the adoption of the technical scheme, the top of the barrel body is connected with a methane outlet pipe through the conical cover; the filling port is arranged on the barrel body wall at the position of the filtering and filling layer, the manhole door is arranged on one side of the barrel body wall at the position of the desulfurizing agent layer, the entering marsh gas firstly passes through the water removing layer to capture a large amount of water carried by the marsh gas, then the marsh gas enters the desulfurizing layer to remove H2S contained in the marsh gas, and the moisture in the marsh gas is further removed by the demister before the outlet, so that the marsh gas at the outlet is ensured to be clean. The biogas purification can be completed by one device, the purification efficiency can reach more than 90%, the material replacement is convenient, and the problems of large occupied area, large maintenance amount, large system resistance, low purification efficiency and the like in the prior art are effectively solved. The device has the advantages of compact structure, convenient use, good biogas purification effect and wide practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a methane inlet pipe, 2-I support plates, 3-a water tank, 4-a filtering filler, 5-I pressure gauge, 6-I filler opening, 7-II support plates, 8-manhole door, 9-a desulfurizer layer, 10-II filler opening, 11-a demister, 12-a methane outlet pipe, 13-III pressure gauge, 14-II pressure gauge and 15-a water drain pipe.
Detailed Description
The utility model will be further described with reference to examples in the drawings to which:
as shown in figure 1, the comprehensive purification treatment device for methane comprises a cylindrical barrel body 3, wherein a first supporting plate 2 and a second supporting plate 7 are sequentially arranged in the barrel body 3, the first supporting plate 2 is a stainless steel pore plate, the pore diameter of the pore plate is 20-35 mm, and the porosity is more than 80%; the II support plate 7 is a stainless steel pore plate, the aperture of the pore plate is 10-20 mm, and the porosity is more than 70%. Be equipped with on I backup pad 2 and filter packing layer 4, filter packing layer 4 for PP, PVC, or ceramic material's chemical industry filler, filter packing layer 4 thickness between 200 ~ 500mm, the resistance loss of packing layer is no longer than 500 Pa. The desulfurizer layer adopts dry-process desulfurizer such as Fe2O3, and the amount of the desulfurizer is calculated according to the H2S content in the biogas. Be equipped with desulfurizer layer 9 on II backup pad 7, the top on desulfurizer layer 9 is equipped with defroster 11, defroster 11 for chemical industry with guaranteeing that dewatering efficiency is at the defroster of more than 90%. The bottom of the barrel body 3 is located below the I supporting plate 2 and is provided with a water collecting tank, the upper portion of one side of the water collecting tank is provided with a methane inlet pipe 1, the lower portion of the other side of the water tank is provided with a U-shaped bent pipe drain pipe 15 for realizing self sealing, and water can automatically flow out only when the liquid level is higher than the highest point of the U-shaped bend. The top of the barrel body 3 is connected with a methane outlet pipe 12 through a conical cover; a filling port I6 is arranged on one side of the barrel wall at the position of the filter packing layer 4, a manhole door 8 is arranged on one side of the barrel wall at the position of the desulfurizer layer 9, a filling port II 10 is arranged on one side of the barrel wall at the position between the desulfurizer layer 9 and the demister 11, a pressure gauge I5 is arranged on the barrel wall at the spatial position above the filter packing layer 4, a pressure gauge II 14 is arranged on the barrel wall at the spatial position below the demister 11, and a pressure gauge III 13 is arranged on the barrel wall at the spatial position above the demister 11; biogas enters the barrel body from an inlet pipe 1 at the lower part of the barrel body 3, particle impurities and partial water contained in the biogas are captured through a filter filler layer 4, the biogas after primary purification enters a desulfurizer layer 9, H2S in the biogas is removed, and then the residual water and the generated desulfurization in the biogas are further removed through a demister 11, so that the cleanness of the biogas at the outlet is ensured. The water in the marsh gas is captured and stored in a water tank at the bottom of the barrel body, and an automatic drainage device is arranged. The empty tower flow velocity of the biogas entering the barrel body from the inlet pipe 1 in the barrel body is controlled to be 0.5-1.5 m/s; the pressure of the biogas entering the barrel from the inlet pipe 1 is not more than 1500Pa, and is controlled to be 500-1000 Pa.
Claims (8)
1. The utility model provides a marsh gas synthesizes purification unit which characterized in that: the device comprises a cylindrical barrel body (3), wherein a support plate I (2) and a support plate II (7) are sequentially arranged in the barrel body (3), a filter packing layer (4) is arranged on the support plate I (2), a desulfurizer layer (9) is arranged on the support plate II (7), a demister (11) is arranged above the desulfurizer layer (9), a water accumulating tank is arranged below the support plate I (2) at the bottom of the barrel body (3), a methane inlet pipe (1) is arranged at the upper part of one side of the water accumulating tank, a U-shaped bent pipe drain pipe (15) for realizing self sealing is arranged at the lower part of the other side of the water tank, and the top of the barrel body (3) is connected with a methane outlet pipe (12) through a conical cover; a filling opening (6) is formed in one side of the barrel wall at the position of the filter packing layer (4), a manhole door (8) is formed in one side of the barrel wall at the position of the desulfurizer layer (9), a filling opening (10) is formed in one side of the barrel wall at the position between the desulfurizer layer (9) and the demister (11), a pressure gauge (5) is arranged on the barrel wall at the spatial position above the filter packing layer (4), a pressure gauge (14) is arranged on the barrel wall at the spatial position below the demister (11), and a pressure gauge (13) is arranged on the barrel wall at the spatial position above the demister (11); the biogas enters the barrel body from an inlet pipe (1) at the lower part of the barrel body (3), particle impurities and partial moisture contained in the biogas are captured through a filtering and packing layer (4), the biogas after primary purification enters a desulfurizer layer (9), H2S in the biogas is removed, and then the residual moisture and the moisture generated by desulfurization in the biogas are removed through a demister (11).
2. The integrated purification treatment device for biogas as recited in claim 1, wherein: i backup pad (2) be stainless steel orifice plate, the aperture of orifice plate is between 20 ~ 35mm, the porosity is greater than 80%.
3. The integrated purification treatment device for biogas according to claim 1, characterized in that: the filtering filler layer (4) is chemical filler made of PP, PVC or ceramic materials.
4. The integrated purification treatment device for biogas according to claim 1 or 3, characterized in that: the thickness of the filtering filler layer (4) is 200-500 mm, and the resistance loss of the filler layer is not more than 500 Pa.
5. The integrated purification treatment device for biogas according to claim 1, characterized in that: the II support plate (7) is a stainless steel orifice plate, the aperture of the orifice plate is 10-20 mm, and the porosity is more than 70%.
6. The integrated purification treatment device for biogas according to claim 1, characterized in that: the demister (11) is used for ensuring that the water removal efficiency is more than 90% in the chemical industry.
7. The integrated purification treatment device for biogas according to claim 1, characterized in that: the empty tower flow velocity of the marsh gas entering the barrel body from the inlet pipe (1) in the barrel body is controlled to be 0.5-1.5 m/s.
8. The integrated purification treatment device for biogas according to claim 1, characterized in that: the pressure of the biogas entering the barrel from the inlet pipe (1) is not more than 1500Pa, and is controlled to be 500-1000 Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384574.5U CN215517288U (en) | 2021-06-21 | 2021-06-21 | Comprehensive purification treatment device for biogas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384574.5U CN215517288U (en) | 2021-06-21 | 2021-06-21 | Comprehensive purification treatment device for biogas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215517288U true CN215517288U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121384574.5U Active CN215517288U (en) | 2021-06-21 | 2021-06-21 | Comprehensive purification treatment device for biogas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215517288U (en) |
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2021
- 2021-06-21 CN CN202121384574.5U patent/CN215517288U/en active Active
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