CN216223707U - Multistage membrane separation biogas purification device for purifying biogas - Google Patents
Multistage membrane separation biogas purification device for purifying biogas Download PDFInfo
- Publication number
- CN216223707U CN216223707U CN202121725747.5U CN202121725747U CN216223707U CN 216223707 U CN216223707 U CN 216223707U CN 202121725747 U CN202121725747 U CN 202121725747U CN 216223707 U CN216223707 U CN 216223707U
- Authority
- CN
- China
- Prior art keywords
- pipe
- tank
- purifying
- biogas
- connecting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a multistage membrane separation biogas purification device for purifying biogas, which comprises a raw gas tank, wherein the top end of the raw gas tank is connected with a first connecting pipe in a pipe way, the output end of the first connecting pipe is connected with a first purification tank in a pipe way, the top end of the first purification tank is connected with a second connecting pipe in a pipe way, the output end of the second connecting pipe is connected with a second purification tank in a pipe way, the top end of the second purification tank is connected with a third connecting pipe in a pipe way, the output end of the third purification tank is connected with a fourth connecting pipe in a pipe way, the output end of the fourth connecting pipe is connected with a gas collection tank in a pipe way, a plurality of filter screens are connected in the raw gas tank in a sliding way, and the input end of the fourth connecting pipe is connected with a first electromagnetic valve in a pipe way, and the device has the beneficial effects that: the device can be clear and definite know the methane content after purifying to can carry out the specific certain concentration that purifies to marsh gas pertinence, and can filter other before purifying, and the filter screen is removable, easy operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of biogas purification treatment equipment, and particularly relates to a multistage membrane separation biogas purification device for purifying biogas.
Background
Before the marsh gas is used as automobile fuel or input into natural gas pipeline network for use in industrial scale, decarbonizing, desulfurizing, dewatering and other purification treatment are first performed to eliminate impurity from marsh gas and raise its purity and heat value to produce biological natural gas meeting the relevant standard, and the compressed biological natural gas may be used as automobile fuel gas and pipeline fuel gas for marsh gas purification to eliminate CO2And a small amount of H2O and H2S, the membrane separation technology is a high and new technology newly developed in the field of gas separation, the principle of the technology is that selective dissolution and diffusion phenomena are generated by utilizing the difference of affinity of each gas component in mixed gas to a membrane, and the aim of separation is realized by different gas components due to different permeation rates to the membrane, and the existing multistage membrane separation biogas purification device also has the following defects:
the existing multistage membrane separation biogas purification device only purifies the biogas, but cannot clearly know the content of the purified methane, cannot specifically purify the biogas to a certain concentration, and only removes carbon dioxide, hydrogen sulfide and water molecule gas in the biogas without processing other impurities before purifying the existing raw biogas so as to leave other impurities in the final biogas.
Therefore, it is necessary to provide a multi-stage membrane separation biogas purification apparatus for purifying and purifying biogas to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multistage membrane separation biogas purification device for purifying biogas, and aims to solve the problems that the biogas which is not purified to a certain concentration can not be purified in a targeted manner in the prior art and impurities exist in the subsequent biogas because the biogas is not treated before being purified.
In order to achieve the purpose, the utility model provides the following technical scheme: a multi-stage membrane separation biogas purification device for purifying biogas comprises a raw gas tank, a first connecting pipe connected with the top end pipe of the raw gas tank, the output end of the first connecting pipe is connected with a first purifying tank, the top end pipe of the first purifying tank is connected with a second connecting pipe, the output end of the second connecting pipe is connected with a second purifying tank, the top end of the second purifying tank is connected with a third connecting pipe, the output end of the third connecting pipe is connected with a third purifying tank, the top end of the third purifying tank is connected with a fourth connecting pipe, the output end of the fourth connecting pipe is connected with a gas collecting tank in a pipe way, the bottom pipe at one side of the original gas tank is connected with a gas inlet pipe in a pipe way, one side of the raw gas tank is fixedly connected with a controller, the input end of the first connecting pipe is connected with a booster pump, the inside sliding connection of former gas pitcher has a plurality of filter screen, the input end pipe joint of fourth connecting pipe has first solenoid valve.
In order to remove the hydrogen sulfide gas in the biogas, the first purification tank preferably comprises a first tank body, a drain pipe, a desulfurization spray head, a fixing plate, a plurality of rectangular holes and a first separation membrane, the drain pipe is connected to the bottom of one side of the first tank body in a pipe mode, the fixing plate is fixedly connected to the bottom of the interior of the first tank body, the desulfurization spray head is fixedly connected to the bottom end of the fixing plate, the rectangular holes are formed in the surface of the fixing plate, and the first separation membrane is fixedly connected to the top of the interior of the first tank body.
In order to remove water molecules in the biogas, the second purification tank preferably comprises a second tank body, a fixing frame, a plurality of vent holes, a resistance wire, a plurality of second separation membranes, an exhaust pipe and a water molecule membrane, wherein the fixing frame is fixedly connected to the bottom inside the second tank body, the resistance wire is fixedly mounted inside the fixing frame, the plurality of vent holes are formed in the surface of the fixing frame, the plurality of second separation membranes are fixedly connected to the top inside the second tank body, the exhaust pipe is connected to the positions, located between the fixing frame and the second separation membranes, of the two sides of the second tank body in a pipe connection mode, and the water molecule membrane is fixedly connected to the top end of the exhaust pipe.
In order to remove carbon dioxide gas in biogas, as a preferred embodiment of the present invention, the third purification tank includes a third tank, a plurality of third separation membranes, a methane concentration detector, a communication pipe, and a second electromagnetic valve, the bottom of the third tank is fixedly connected to the plurality of third separation membranes, the methane concentration detector is fixedly mounted on the inner wall of the third tank and on the top of the third separation membranes, the communication pipe is connected to one side of the third tank, the input end and the output end of the communication pipe are connected to one side of the third tank, and the input end and the output end of the communication pipe are respectively located on two sides of the third separation membranes.
In order to make the model of each element known, the model of the first electromagnetic valve and the model of the second electromagnetic valve are both 4V210-08, and the model of the methane concentration detector is TA600-CH 4.
In order to enable the device to work normally, as an optimal choice of the utility model, the booster pump, the first electromagnetic valve, the second electromagnetic valve, the resistance wire and the methane concentration detector are all electrically connected with an external power supply through the controller.
Compared with the prior art, the utility model has the beneficial effects that:
1) the concentration of methane in the gas passing through the third separation membrane is detected by the methane concentration detector through a communicating pipe and the methane concentration detector in the third purification tank, if the concentration is not reached, the gas is returned to the bottom of the third purification tank again through the communicating pipe, and then the carbon dioxide gas is filtered by the third separation membrane again until the methane concentration is detected, so that the purified methane content can be known clearly, and the methane can be specifically purified to a certain concentration in a targeted manner;
2) through former gas pitcher and the filter screen that is equipped with, through letting in the filtration that inside rethread filter screen carried out other impurity with former gas for behind purifying effect better, and after the long-time accumulation impurity of filter screen, can slide it and take out and change convenient and fast.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural diagram of a fixing plate and a desulfurization nozzle according to the present invention;
fig. 4 is a schematic structural diagram of the fixing frame and the resistance wire of the utility model.
In the figure: 1. a raw gas tank; 2. a first connecting pipe; 3. a first purge tank; 31. a first tank; 32. a drain pipe; 33. a desulfurization nozzle; 34. a fixing plate; 35. a rectangular hole; 36. a first separation membrane; 4. a second connecting pipe; 5. a second purge tank; 51. a second tank; 52. a fixing frame; 53. a vent hole; 54. a resistance wire; 55. a second separation membrane; 56. an exhaust pipe; 57. a water molecule film; 6. a third connecting pipe; 7. a third purge tank; 71. a third tank body; 72. a third separation membrane; 73. a methane concentration detector; 74. a communicating pipe; 75. a second solenoid valve; 8. a fourth connecting pipe; 9. a gas collection tank; 10. an air inlet pipe; 11. a controller; 12. a booster pump; 13. a filter screen; 14. a first solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a purify multistage membrane separation marsh gas purifier of purification to marsh gas, including former gas pitcher 1, the top pipe of former gas pitcher 1 has first connecting pipe 2, the output union coupling of first connecting pipe 2 has first purifying tank 3, the top union coupling of first purifying tank 3 has second connecting pipe 4, the output union coupling of second connecting pipe 4 has second purifying tank 5, the top of second purifying tank 5 has third connecting pipe 6, the output union coupling of third connecting pipe 6 has third purifying tank 7, the top pipe of third purifying tank 7 has fourth connecting pipe 8, the output union coupling of fourth connecting pipe 8 has gas collecting tank 9, one side bottom pipe of former gas pitcher 1 has intake pipe 10, one side fixedly connected with controller 11 of former gas pitcher 1, the input union coupling of first connecting pipe 2 has booster pump 12, the inside sliding connection of former gas pitcher 1 has a plurality of filter screen 13, the input union coupling of fourth connecting pipe 8 has first solenoid valve 14.
Preferably, the first purification tank 3 comprises a first tank body 31, a drain pipe 32, a desulfurization nozzle 33, a fixing plate 34, a plurality of rectangular holes 35 and a first separation membrane 36, the drain pipe 32 is connected to the bottom of one side of the first tank body 31 in a pipe manner, the fixing plate 34 is fixedly connected to the bottom of the first tank body 31, the desulfurization nozzle 33 is fixedly connected to the bottom of the fixing plate 34, the plurality of rectangular holes 35 are formed in the surface of the fixing plate 34, the plurality of first separation membranes 36 are fixedly connected to the top of the first tank body 31, biogas enters the raw gas tank 1 through the gas inlet pipe 10, when the raw gas tank 1 is inside, the entering biogas is filtered through the multi-layer filter screen 13, so that impurities are filtered, the filtered biogas controls the booster pump 12 to work through the controller 11, so that the filtered biogas enters the bottom side of the first purification tank 3 through the first connection pipe 2, the hydrogen sulfide gas in the biogas is filtered by the first purifying tank 3, when the biogas enters the bottom inside the first tank 31, the desulfurization spray nozzle 33 sprays desulfurization solution on the biogas, so that the sulfur content in the biogas is reduced, the biogas with the reduced sulfur content passes through the rectangular hole 35 on the fixing plate 34 to the upper part of the fixing plate 34, and then a small amount of sulfide is blocked by the first separating membrane 36, so that the biogas passing through the first separating membrane 36 is removed.
Preferably, the second purification tank 5 comprises a second tank body 51, a fixed frame 52, a plurality of vent holes 53, a resistance wire 54, a plurality of second separation membranes 55, an exhaust pipe 56 and a water molecule membrane 57, the fixed frame 52 is fixedly connected to the bottom inside the second tank body 51, the resistance wire 54 is fixedly installed inside the fixed frame 52, the surface of the fixed frame 52 is provided with the plurality of vent holes 53, the plurality of second separation membranes 55 are fixedly connected to the top inside the second tank body 51, the exhaust pipe 56 is connected to the two sides of the second tank body 51 and is positioned between the fixed frame 52 and the second separation membranes 55 through a pipe, the water molecule membrane 57 is fixedly connected to the top end of the exhaust pipe 56, the biogas from which the hydrogen sulfide gas is removed enters the second purification tank 5 through the second connecting pipe 4 for water removal treatment, the bottom of the second tank body 51 is lifted to the position of the fixed frame 52, the biogas enters the inside of the fixed frame 52 through the vent holes 53 at the bottom of the fixed frame 52, the water passes through the internal resistance wire 54 for evaporation water filtration, then enters the upper part of the inside of the second tank body 51 through the vent hole 53 at the top of the fixing frame 52, and then the water molecules can not pass through the second separation membrane 55, but other molecules can pass through, the water molecules in the inside of the second tank body 51 are discharged out of the second tank body 51 through the water molecule membrane 57 on the exhaust pipe 56, and other gases can not pass through the water molecule membrane 57.
Preferably, the third purification tank 7 includes a third tank 71, a plurality of third separation membranes 72, a methane concentration detector 73, a communication pipe 74 and a second electromagnetic valve 75, the bottom of the inside of the third tank 71 is fixedly connected with the plurality of third separation membranes 72, the methane concentration detector 73 is fixedly installed on the inner wall of the third tank 71 and on the top of the third separation membranes 72, one side of the third tank 71 is connected with the communication pipe 74 in a pipe manner, the input end and the output end of the communication pipe 74 are connected with one side of the third tank 71 in a pipe manner, the input end and the output end of the communication pipe 74 are respectively located on both sides of the third separation membranes 72, the biogas after water removal enters the third purification tank 7 through the third connection pipe 6 to be treated for removing carbon dioxide gas, when the biogas enters the inside of the third tank 71, the carbon dioxide gas cannot pass through the third separation membranes 72, but other gases can pass through, when the methane reaches the top inside the third tank 71, the concentration of the methane gas is detected by the methane concentration detector 73, when the concentration of the methane gas is low, the second electromagnetic valve 75 is controlled to be opened by the controller 11, so that the methane enters the bottom of the third separation membrane 72 through the communicating pipe 74 to be filtered for the second time, until the concentration of the methane detected by the methane concentration detector 73 meets the requirement, the methane after the requirement is met, the first electromagnetic valve 14 is controlled to be opened by the controller 11, and the methane enters the gas collection tank 9 through the fourth connecting pipe 8 to be collected.
Preferably, the models of the first electromagnetic valve 14 and the second electromagnetic valve 75 are both 4V210-08, the model of the methane concentration detector 73 is TA600-CH4, the biogas reaching the concentration enters the gas collecting tank 9 through the fourth connecting pipe 8 to be collected through the first electromagnetic valve 14, the biogas is filtered for multiple times through opening the second electromagnetic valve 75 until the concentration of the biogas reaches the requirement, and the concentration of methane in the gas passing through the third separating membrane 72 is detected through the methane concentration detector 73.
Preferably, the booster pump 12, the first electromagnetic valve 14, the second electromagnetic valve 75, the resistance wire 54 and the methane concentration detector 73 are electrically connected with an external power supply through the controller 11, the booster pump 12 is controlled to work through the controller 11, so that the methane enters the first purification tank 3 from the raw gas tank 1, the resistance wire 54 is controlled to work through the controller 11, water in the gas is removed, the controller 11 controls the second electromagnetic valve 75 to be opened so that the methane is filtered for multiple times until the concentration of the methane meets the requirement, and the controller 11 controls the methane concentration detector 73 to detect the concentration of the methane in the gas passing through the third separation membrane 72.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a multistage membrane separation marsh gas purifier to marsh gas purification, includes former gas pitcher (1), its characterized in that: the top pipe of the raw gas tank (1) is connected with a first connecting pipe (2), the output end pipe of the first connecting pipe (2) is connected with a first purifying tank (3), the top end pipe of the first purifying tank (3) is connected with a second connecting pipe (4), the output end pipe of the second connecting pipe (4) is connected with a second purifying tank (5), the top end of the second purifying tank (5) is connected with a third connecting pipe (6), the output end pipe of the third connecting pipe (6) is connected with a third purifying tank (7), the top end pipe of the third purifying tank (7) is connected with a fourth connecting pipe (8), the output end pipe of the fourth connecting pipe (8) is connected with a gas collecting tank (9), the bottom pipe of one side of the raw gas tank (1) is connected with a gas inlet pipe (10), the controller (11) is fixedly connected with one side of the raw gas tank (1), the input end pipe of the first connecting pipe (2) is connected with a booster pump (12), the inside sliding connection of former gas pitcher (1) has a plurality of filter screen (13), the input end pipe connection of fourth connecting pipe (8) has first solenoid valve (14).
2. The multi-stage membrane separation biogas purification device for purifying and purifying biogas as recited in claim 1, wherein: first purifying tank (3) are including first jar of body (31), drain pipe (32), desulfurization shower nozzle (33), fixed plate (34), a plurality of rectangular hole (35) and first separation membrane (36), one side bottom pipe joint of the first jar of body (31) has drain pipe (32), the inside bottom fixedly connected with fixed plate (34) of the first jar of body (31), bottom fixedly connected with desulfurization shower nozzle (33) of fixed plate (34), a plurality of rectangular hole (35) have been seted up on the surface of fixed plate (34), the first separation membrane (36) of a plurality of fixedly connected with in inside top of the first jar of body (31).
3. The multi-stage membrane separation biogas purification device for purifying and purifying biogas as recited in claim 1, wherein: the second purification tank (5) comprises a second tank body (51), a fixing frame (52), a plurality of vent holes (53), a resistance wire (54), a plurality of second separation membranes (55), an exhaust pipe (56) and a water molecule membrane (57), wherein the fixing frame (52) is fixedly connected to the bottom inside the second tank body (51), the resistance wire (54) is fixedly mounted inside the fixing frame (52), the vent holes (53) are formed in the surface of the fixing frame (52), the second separation membranes (55) are fixedly connected to the top inside the second tank body (51), the exhaust pipe (56) is connected to the two sides of the second tank body (51) and the position between the fixing frame (52) and the second separation membranes (55) in a pipe connection mode, and the water molecule membrane (57) is fixedly connected to the top end of the exhaust pipe (56).
4. The multi-stage membrane separation biogas purification device for purifying and purifying biogas as recited in claim 1, wherein: third purification tank (7) are including the third jar of body (71), a plurality of third separation membrane (72), methane concentration detector (73), communicating pipe (74) and second solenoid valve (75), the inside bottom fixedly connected with a plurality of third separation membrane (72) of the third jar of body (71), the inner wall of the third jar of body (71) and the top fixed mounting who is located third separation membrane (72) have methane concentration detector (73), one side pipe joint of the third jar of body (71) has communicating pipe (74), the input and the output of communicating pipe (74) all with one side pipe joint of the third jar of body (71), and the input and the output of communicating pipe (74) are located the both sides of third separation membrane (72) respectively.
5. The multi-stage membrane separation biogas purification device for purifying and purifying biogas as recited in claim 1, wherein: the models of the first electromagnetic valve (14) and the second electromagnetic valve (75) are both 4V210-08, and the model of the methane concentration detector (73) is TA600-CH 4.
6. The multi-stage membrane separation biogas purification device for purifying and purifying biogas as recited in claim 4, wherein: the booster pump (12), the first electromagnetic valve (14), the second electromagnetic valve (75), the resistance wire (54) and the methane concentration detector (73) are electrically connected with an external power supply through the controller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121725747.5U CN216223707U (en) | 2021-07-28 | 2021-07-28 | Multistage membrane separation biogas purification device for purifying biogas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121725747.5U CN216223707U (en) | 2021-07-28 | 2021-07-28 | Multistage membrane separation biogas purification device for purifying biogas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216223707U true CN216223707U (en) | 2022-04-08 |
Family
ID=80980785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121725747.5U Active CN216223707U (en) | 2021-07-28 | 2021-07-28 | Multistage membrane separation biogas purification device for purifying biogas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216223707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117402661A (en) * | 2023-12-14 | 2024-01-16 | 大港油田广源(沧州)石油技术服务有限公司 | Compression device for recycling natural gas |
-
2021
- 2021-07-28 CN CN202121725747.5U patent/CN216223707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117402661A (en) * | 2023-12-14 | 2024-01-16 | 大港油田广源(沧州)石油技术服务有限公司 | Compression device for recycling natural gas |
| CN117402661B (en) * | 2023-12-14 | 2024-02-23 | 大港油田广源(沧州)石油技术服务有限公司 | Compression device for recycling natural gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160166980A1 (en) | Container-type biogas purification film method purification system | |
| CN216223707U (en) | Multistage membrane separation biogas purification device for purifying biogas | |
| CN102066271B (en) | Upstream ozone contact tank for removing residual ozone | |
| CN207694524U (en) | A kind of emission-control equipment | |
| CN205516890U (en) | Sewage one -level purifier | |
| CN213556232U (en) | Clarification plant for environmental protection engineering SOx/NOx control | |
| CN214032015U (en) | Multistage sewage treatment device | |
| CN214780750U (en) | Oxygen production equipment | |
| CN212523605U (en) | Injection type low-temperature plasma integrated waste gas treatment equipment | |
| CN207608417U (en) | A kind of purification of generator internal cooling water and deoxygenation decarbonization device | |
| CN206405171U (en) | A kind of heavy metal pollution of soil fast purification repairs filter | |
| CN212017351U (en) | A multistage exhaust treatment device for SOx/NOx control | |
| CN204619682U (en) | Waste gas Water spray treating apparatus | |
| CN205796979U (en) | A kind of ultrafilter membrane air-blowing back purge system processed for glass grinding waste water recycling | |
| CN216737752U (en) | UASB anaerobic tower equipped with two-stage three-phase separator | |
| CN216716267U (en) | Biomass boiler desulphurization unit | |
| CN211659709U (en) | Landfill gas recovery purifier | |
| CN213492874U (en) | Helium recovery device | |
| CN214735592U (en) | Gas-liquid separation device for biogas pretreatment equipment | |
| CN215876462U (en) | High-efficient water body remediation purifier | |
| CN203095764U (en) | Wastewater treatment filter-plate type filter | |
| CN203653353U (en) | Water-treatment filter-cloth filter tank | |
| CN215050732U (en) | Hydrogen generator and methane monitoring device | |
| CN113548740B (en) | Intelligent sewage separation device assisted by Internet of things | |
| CN216777993U (en) | Desulfurization waste liquid deposits device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |