CN217628264U - Marsh gas preliminary treatment facility - Google Patents
Marsh gas preliminary treatment facility Download PDFInfo
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- CN217628264U CN217628264U CN202220910810.0U CN202220910810U CN217628264U CN 217628264 U CN217628264 U CN 217628264U CN 202220910810 U CN202220910810 U CN 202220910810U CN 217628264 U CN217628264 U CN 217628264U
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- heat exchanger
- double
- refrigeration compressor
- water
- storage tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The utility model discloses a biogas pretreatment facility, which comprises a double-pipe heat exchanger, a refrigeration compressor, a cyclone steam-water separator and a gas storage tank, wherein the double-pipe heat exchanger, the refrigeration compressor, the cyclone steam-water separator and the gas storage tank are sequentially installed; the double-tube heat exchanger is used for cooling methane, the refrigeration compressor is used for further reducing the temperature of the methane, and the cyclone steam-water separator is used for separating condensed water drops generated by the refrigeration compressor from gas; the utility model provides an among the technical scheme, through setting up double-pipe heat exchanger, refrigeration compressor, whirlwind catch water and gas holder for this set of equipment can reduce marsh gas temperature, dehydration and desulfurization simultaneously, utilizes the tandem system, reduces refrigeration compressor operating pressureThe local tap water is adopted through the medium of the shell and tube heat exchanger, the device is convenient, energy-saving and water-saving, and the cyclone water-gas separator is connected in series, so that water vapor and H can be synchronously separated 2 And S, the gas storage tank is utilized, so that subsequent methane utilization and buffering are facilitated.
Description
Technical Field
The utility model relates to the technical field of methane treatment, in particular to a methane pretreatment facility.
Background
At present, most of the biogas generated by domestic garbage landfill sites in China is generally treated in a centralized combustion mode and rarely and reasonably utilized; biogas generated by septic tanks in cities or rural areas is collected rarely and is diffused into the atmosphere, so that on one hand, the greenhouse effect is increased, and on the other hand, harmful substances in the biogas can pollute the atmosphere.
The prior art has the following defects or problems:
the biogas generated by a domestic garbage landfill or the biogas generated by a septic tank can be used for power generation, boiler combustion heating and the like, but the biogas is required to be pretreated before being utilized and scientifically optimized, so that the utilization rate of the biogas can reach a considerable condition, and therefore, the utility model designs a set of facility for pretreatment before comprehensive utilization of the biogas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a biogas pretreatment facility aiming at the defects in the prior art so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a biogas pretreatment facility comprises a double-pipe heat exchanger, a refrigeration compressor, a cyclone steam-water separator and a gas storage tank, wherein the double-pipe heat exchanger, the refrigeration compressor, the cyclone steam-water separator and the gas storage tank are sequentially arranged;
the double-tube heat exchanger is used for cooling methane, the refrigeration compressor is used for further cooling the methane, the cyclone steam-water separator is used for separating condensed water drops generated by the refrigeration compressor from gas, and the gas storage tank is used for storing the treated methane.
Furthermore, biogas is introduced into the input end of the double-tube heat exchanger.
Furthermore, a medium input end and a medium output end are installed on the side wall of the double-tube heat exchanger, and the adopted medium is tap water.
Furthermore, the output end of the double-tube heat exchanger is connected with the input end of a refrigeration compressor, and the output end of the refrigeration compressor is connected with the input end of the cyclone steam-water separator.
Furthermore, the output end of the cyclone steam-water separator is connected with the input end of the gas storage tank.
Further, the lateral wall fixed mounting of gas holder has the delivery pipe, and the valve is installed to the delivery pipe lateral wall.
Further, the gas storage tank is a pressure steel tank.
Compared with the prior art, the utility model provides a marsh gas preliminary treatment facility possesses following beneficial effect:
1. the utility model has the advantages that the double-tube heat exchanger, the refrigeration compressor, the cyclone steam-water separator and the gas storage tank are arranged, so that the equipment can simultaneously reduce the methane temperature, dehydrate and desulfurize, and the working pressure of the refrigeration compressor is reduced by utilizing a series connection mode;
2. the utility model discloses a shell and tube heat exchanger media adopts local running water, and convenient, energy-conserving, water conservation establishes ties whirlwind moisture separator, can break away from steam and H2S in step to utilize the gas holder, make things convenient for follow-up marsh gas to utilize the buffering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a double-tube heat exchanger; 2. a refrigeration compressor; 3. a cyclone steam-water separator; 4. an air storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, in the present embodiment: a biogas pretreatment facility comprises a biogas double-pipe heat exchanger 1, a refrigeration compressor 2, a cyclone steam-water separator 3 and a gas storage tank 4, wherein the double-pipe heat exchanger 1, the refrigeration compressor 2, the cyclone steam-water separator 3 and the gas storage tank 4 are sequentially installed; the double-tube heat exchanger 1 is used for cooling methane, the refrigeration compressor 2 is used for further cooling the methane, the cyclone steam-water separator 3 is used for separating condensed water drops generated by the refrigeration compressor 2 from gas, and the gas storage tank 4 is used for storing the treated methane.
Specifically, biogas is introduced into the input end of the double-tube heat exchanger 1; and (2) introducing the biogas into the double-tube heat exchanger 1 so as to carry out primary cooling treatment on the biogas, wherein the type adopted by the double-tube heat exchanger 1 can be a BLL double-helix corrugated tube heat exchanger.
Specifically, a medium input end and a medium output end are installed on the side wall of the double-tube heat exchanger 1, and the adopted medium is tap water; the medium input end of the side wall of the double-tube heat exchanger 1 inputs the medium for cooling, and then the medium is output through the medium output end, so that the double-tube heat exchanger 1 is cooled, the medium for cooling generally adopts tap water, and the double-tube heat exchanger has the characteristics of low price and good cooling effect.
Specifically, the output end of the double-tube heat exchanger 1 is connected with the input end of a refrigeration compressor 2, and the output end of the refrigeration compressor 2 is connected with the input end of a cyclone steam-water separator 3; after being processed by the double-tube heat exchanger 1, the biogas is conveyed to the input end of the refrigeration compressor 2, is cooled again by the refrigeration compressor 2 and is conveyed to the cyclone steam-water separator 3, wherein the refrigeration compressor 2 is a QWL compressor, and the cyclone steam-water separator 3 is MYQG-300.
Specifically, the output end of the cyclone steam-water separator 3 is connected with the input end of the gas storage tank 4; the biogas is subjected to condensed water drop and gas separation treatment in the cyclone gas-water separator 3, and the treated biogas can be conveyed to a gas storage tank 4 for storage, wherein the model of the gas storage tank 4 is dy-5212.
Specifically, a discharge pipe is fixedly arranged on the side wall of the gas storage tank 4, and a valve is arranged on the side wall of the discharge pipe; the discharge of the biogas can be controlled by the discharge pipe and the valves mounted on the side wall of the discharge pipe.
Specifically, the gas storage tank 4 is a pressure steel tank; the pressure steel tank is adopted to ensure that the integral strength of the gas storage tank 4 is better, and the safety performance is higher.
The utility model discloses a theory of operation and use flow: biogas generated by a household garbage landfill or a septic tank is collected by a collecting device, then is sequentially sent into the double-tube heat exchanger 1, the refrigerating compressor 2 and the cyclone steam-water separator 3, and finally enters the gas storage tank 4 for storage, so that the subsequent utilization is facilitated. The double-pipe heat exchanger 1 is used for cooling the methane, and the medium in the heat exchanger adopts tap water, so that the temperature of the methane can be reduced to the ambient temperature; the refrigeration compressor 2 can further reduce the temperature of the methane to about 10 ℃; the cyclone steam-water separator 3 separates the condensed water drops from the gas and can remove H2S in the biogas; the gas storage tank 4 adopts a pressure steel tank, and the pressure adopts 10MP, so that the safety of methane storage is ensured.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (7)
1. A marsh gas preliminary treatment facility which characterized in that: the refrigeration system comprises a double-pipe heat exchanger (1), a refrigeration compressor (2), a cyclone steam-water separator (3) and a gas storage tank (4), wherein the double-pipe heat exchanger (1), the refrigeration compressor (2), the cyclone steam-water separator (3) and the gas storage tank (4) are sequentially installed;
the double-tube heat exchanger (1) is used for cooling methane, the freezing compressor (2) is used for further cooling the methane, the cyclone steam-water separator (3) is used for separating condensed water drops generated by the freezing compressor (2) from gas, and the gas storage tank (4) is used for storing the treated methane.
2. A biogas pre-treatment plant according to claim 1, characterized in that: biogas is introduced into the input end of the double-pipe heat exchanger (1).
3. A biogas pre-treatment plant according to claim 1, characterized in that: the side wall of the double-tube heat exchanger (1) is provided with a medium input end and a medium output end, and the adopted medium is tap water.
4. A biogas pre-treatment plant according to claim 1, characterized in that: the output end of the double-tube heat exchanger (1) is connected with the input end of the refrigeration compressor (2), and the output end of the refrigeration compressor (2) is connected with the input end of the cyclone steam-water separator (3).
5. A biogas pre-treatment plant according to claim 1, characterized in that: the output end of the cyclone steam-water separator (3) is connected with the input end of the gas storage tank (4).
6. A biogas pre-treatment plant according to claim 1, characterized in that: the lateral wall fixed mounting of gas holder (4) has the delivery pipe, and the valve is installed to the delivery pipe lateral wall.
7. A biogas pre-treatment plant according to claim 1, characterized in that: the gas storage tank (4) is a pressure steel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910810.0U CN217628264U (en) | 2022-04-19 | 2022-04-19 | Marsh gas preliminary treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910810.0U CN217628264U (en) | 2022-04-19 | 2022-04-19 | Marsh gas preliminary treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217628264U true CN217628264U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220910810.0U Active CN217628264U (en) | 2022-04-19 | 2022-04-19 | Marsh gas preliminary treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217628264U (en) |
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2022
- 2022-04-19 CN CN202220910810.0U patent/CN217628264U/en active Active
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