CN209797888U - Efficient dehydration tower for methane - Google Patents
Efficient dehydration tower for methane Download PDFInfo
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- CN209797888U CN209797888U CN201920402750.XU CN201920402750U CN209797888U CN 209797888 U CN209797888 U CN 209797888U CN 201920402750 U CN201920402750 U CN 201920402750U CN 209797888 U CN209797888 U CN 209797888U
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Abstract
The utility model discloses a high-efficient dehydration tower of marsh gas, including the knockout tower, the intercommunication has the marsh gas intake pipe on the lateral wall of knockout tower, the marsh gas outlet duct, the externally mounted of knockout tower has the condensing tower including the complete cladding of knockout tower, the condensing tower below is provided with the wet return, the top of wet return is the fretwork board, the knockout tower, the condensing tower is all installed on the fretwork board at wet return top and the knockout tower, the condensing tower all communicates with the wet return, the externally mounted of condensing tower has the annular duct, the annular duct includes that two are installed respectively at the vertical pipe of condensing tower both sides and install the horizontal pipe in the condensing tower top, the horizontal pipe is located between two vertical pipes and communicates with two vertical pipes, all be provided with many spray pipes on horizontal pipe and two vertical pipes, be provided with the suction pump on an arbitrary vertical pipe, the suction pump is close to the lower extreme mouth of pipe of vertical pipe. The utility model solves the problems that the prior centrifugal dehydrator has low dehydration efficiency and needs later stage drainage.
Description
Technical Field
The utility model relates to a dehydration tower, concretely relates to high-efficient dehydration tower of marsh gas.
Background
The dehydration of the biogas is an essential link in the use process of the biogas, the biogas contains certain moisture which has great influence on the utilization of the biogas, and the moisture in the biogas and hydrogen sulfide act together to accelerate the corrosion of pipelines, valves, flowmeters and the like, so that the dehydration treatment is required when the biogas is desulfurized. Remove the moisture in the marsh gas, increase the quality of output marsh gas.
The biogas dehydration needs to use a biogas dehydrator, the external part of the existing dehydrator adopts a carbon steel structure, the internal part of the existing dehydrator is subjected to corrosion prevention treatment, when biogas enters from an air inlet at the upper part under certain pressure, water drops rotate under the action of centrifugal force to collide with the wall of the dehydrator, so that the water drops lose kinetic energy and are separated from the biogas, and the purposes of dust removal and dehydration are achieved. The water drops in the dehydration device flow downwards along the inner wall and are stored at the bottom of the device and need to be removed periodically. The existing dehydrator needs to drain water regularly, is time-consuming, has low centrifugal dehydration efficiency, and can contain a large amount of water in the methane.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the dehydration efficiency of the existing centrifugal dehydrator is low, the later stage drainage is needed, and the aim is to provide a high-efficient dehydration tower for methane, solve the problem that the dehydration efficiency of the existing centrifugal dehydrator is low, and the later stage drainage is needed.
The utility model discloses a following technical scheme realizes:
A marsh gas high-efficiency dehydration tower comprises a separation tower, wherein a marsh gas inlet pipe is communicated with the side wall of the separation tower close to the bottom, a marsh gas outlet pipe is communicated with the side wall of the separation tower close to the top, a condensation tower which completely covers the separation tower is arranged outside the separation tower, a water return tank is arranged below the condensation tower, the top of the water return tank is a hollowed plate, the separation tower and the condensation tower are both arranged on the hollowed plate at the top of the water return tank, the separation tower and the condensation tower are both communicated with the water return tank, a ring pipe is arranged outside the condensation tower, the ring pipe comprises two vertical pipes which are respectively arranged at two sides of the condensation tower and a horizontal pipe which is arranged above the condensation tower, the horizontal pipe is positioned between the two vertical pipes and is communicated with the two vertical pipes, a plurality of water spray pipes which are uniformly distributed along the pipe diameter direction are arranged on the horizontal pipe and the two vertical pipes, the other end of spray pipe is located the cavity between knockout tower and the condensing tower, and the mouth of pipe of spray pipe is towards the knockout tower, and the lower extreme mouth of pipe of two vertical pipes all is located the return water tank, is provided with the suction pump on an arbitrary vertical pipe, and the suction pump is close to the lower extreme mouth of pipe of vertical pipe.
The utility model discloses utilize the mode of condensation dehydration to replace centrifugal dehydration, utilize the heat exchange, the vapor condensation that contains in the marsh gas becomes the water droplet, and the water droplet flows down along the tower of knockout tower and realizes the recovery and the utilization of marsh gas water in the return water tank, carries out the separation of vapor in the marsh gas through reducing the marsh gas temperature, and separation efficiency is high; the utility model discloses well return water tank is used for the splendid attire comdenstion water, provides the condensation water for the condensing tower, and the water that separates out in the marsh gas can get into the return water tank and become the comdenstion water, does not need the later stage drainage, can also improve the utilization ratio of water, and the comdenstion water recycles, has reduced marsh gas dehydration cost.
The utility model discloses an implementation principle does: condensed water is filled in the water return tank, a water suction pump is started, the condensed water circularly flows in the annular pipe, the condensed water can be sprayed to the separation tower from a water spray pipe communicated with the annular pipe in the flowing process, the temperature of the environment inside the separation tower on the wall of the separation tower can be reduced by continuously spraying the condensed water to the separation tower, then methane is introduced into the separation tower from the air inlet pipe box, the methane can exchange heat with low-temperature air in the separation tower after entering the separation tower, water vapor in the methane can be condensed into water drops to flow into the recovery tank after the temperature of the methane is reduced, the condensed water circularly flows, the condensation effect is good, the temperature of the methane for dehydration is not very high, the environment temperature in the separation tower cannot be greatly increased after dehydration, the temperature in the tower can be rapidly reduced by the condensed water outside the separation tower, the methane can be continuously; the condensate water sprayed by the spray pipe can flow back to the water return tank along the tower wall of the separation tower, so that the cyclic utilization of the condensate water is realized, and the waste is avoided. The utility model utilizes the condensate water which circularly flows to cool the separation tower, reduces the air temperature in the separation tower, and then exchanges heat with the methane entering the separation tower, thereby realizing the condensation dehydration of the methane, having high dehydration efficiency, and the methane can be continuously dehydrated in the upward flowing process, and having high dehydration efficiency; in the utility model, the condensed water is continuously in a flowing state, so that the replacement of the condensed water is realized, and the condensing effect is good; the utility model can recycle the water dehydrated from the marsh gas, does not need to drain the separation tower in the later period, simplifies the dehydration process, improves the utilization rate of the water, and reduces the dehydration cost; the utility model discloses well spray pipe evenly distributed is around the knockout tower, and the coverage of comdenstion water is wide, and the knockout tower can rapid cooling.
the separating tower is a cylindrical barrel with a smooth outer wall, the top of the separating tower is sealed by a hemispherical cover body, the plane of the cover body is hermetically connected with the top surface of the separating tower, a water spray pipe is arranged right above the cover body, and the pipe orifice of the water spray pipe faces the top of the cover body. The utility model discloses the knockout tower adopts the glossy cylinder section of thick bamboo of outer wall, and the comdenstion water of being convenient for flows on the outer wall of knockout tower, and the cover body of hemisphere bodily form has played reposition of redundant personnel, water conservancy diversion effect for the comdenstion water that flows down from the knockout tower top can be along the knockout tower wall downward flow, has increased the area of contact of condensation waters knockout tower, has improved the utilization ratio of comdenstion water, and then has increased the dehydration efficiency of marsh gas.
The air inlet pipe is provided with at least two air outlet ends, all the air outlet ends are located in the separation tower, and all the air outlet ends of the air inlet pipe are close to the tower wall of the separation tower. The temperature of the tower wall of the separation tower is the lowest, the methane flows along the tower wall of the separation tower, the cooling speed is high, the cooling degree is high, the dehydration amount is large, and the dehydration efficiency is high.
The air outlet pipe is an inclined pipe, penetrates through the condensing tower and is inclined upwards towards the direction far away from the condensing tower. The utility model discloses well outlet duct is tilt tube of tilt up, and remaining water droplet can flow back to the knockout tower downwards along the tilt tube in the outlet duct, flows into the return water tank at last in, carries out the recovery of water.
A condensing tube plate is installed in the water return tank, a gap is reserved between the condensing tube plate and the hollow plate at the top of the water return tank, the lower end pipe orifices of the two vertical tubes penetrate through the condensing tube plate downwards and are located below the condensing tube plate, an air cooler is installed on the side wall of the water return tank, and an air outlet of the air cooler is communicated with a cavity between the condensing tube plate and the hollow plate. The water flowing into the water return tank through the condensing tube plate is cooled, so that the condensed water in the water return tank can be kept at a low temperature, the condensing tube plate is in heat exchange with the water in contact with the condensing tube plate, the temperature of the water entering the water return tank can be quickly reduced, the use is convenient, and the installation cost is low; the air-cooler is used for reducing the temperature of condenser tube sheet, reduces the temperature that gets into the water in the return water tank with the cooperation of condenser tube sheet, and the cooling efficiency is high, convenient to use.
The hollow plate at the top of the water return tank is a filter plate. The filter plate filters and purifies the water after the biogas is condensed.
The aperture of the through hole on the condensing tube plate is smaller than that of the through hole at the top of the water return tank. And the condensation tube plate and the hollow plate at the top of the water return tank realize double-effect filtration.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. The utility model relates to a marsh gas high efficiency dehydration tower utilizes the mode of condensation dehydration to replace centrifugal dehydration, utilizes heat exchange, condenses the vapor contained in marsh gas into water drops, the water drops flow into the return water tank along the tower of the separation tower downwards to realize the recovery and utilization of marsh gas water, the separation of the vapor in the marsh gas is carried out by reducing the marsh gas temperature, the separation efficiency is high;
2. The methane high-efficiency dehydration tower of the utility model does not need later stage drainage, can also improve the utilization rate of water, recycles condensed water and reduces the methane dehydration cost;
3. the utility model relates to a high-efficient dehydration tower of marsh gas can carry out recycle to the water that deviates from in the marsh gas, does not need the later stage to carry out the drainage to the knockout tower, has simplified the dehydration technology, has still improved the utilization ratio of water, has reduced the dehydration cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
Fig. 1 is a schematic structural diagram of the present invention.
reference numbers and corresponding part names in the drawings:
1-a separation tower, 2-an air inlet pipe, 3-an air outlet pipe, 4-a condensation tower, 5-a water return tank, 6-a vertical pipe, 7-a horizontal pipe, 8-a water spray pipe, 9-a water pump, 10-a cover body, 11-a condensation pipe plate and 12-an air cooler.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in figure 1, the utility model relates to a high-efficiency dehydrating tower for marsh gas, which comprises a separation tower 1, a marsh gas inlet pipe 2 is communicated on the side wall of the separation tower 1 near the bottom, a marsh gas outlet pipe 3 is communicated on the side wall of the separation tower 1 near the top, a condensing tower 4 which completely covers the separation tower 1 is arranged outside the separation tower 1, a return water tank 5 is arranged below the condensing tower 4, the top of the return water tank 5 is a hollowed plate, the separation tower 1 and the condensing tower 4 are both arranged on the hollowed plate at the top of the return water tank 5, the separation tower 1 and the condensing tower 4 are both communicated with the return water tank 5, a ring pipe is arranged outside the condensing tower 4, the ring pipe comprises two vertical pipes 6 which are respectively arranged at the two sides of the condensing tower 4 and a horizontal pipe 7 which is arranged above the condensing tower 4, the horizontal pipe 7 is arranged between the two vertical pipes 6 and is communicated with the two vertical pipes 6, a plurality of water spray pipes 8 which are uniformly distributed along the pipe diameter direction are, one end and the annular pipe intercommunication of spray pipe 8, the other end of spray pipe 8 is located the cavity between knockout tower 1 and condensing tower 4, and the mouth of pipe of spray pipe 8 is towards knockout tower 1, and the lower extreme mouth of pipe of two vertical pipes 6 all is located return water tank 5, is provided with suction pump 9 on an arbitrary vertical pipe 6, and suction pump 9 is close to the lower extreme mouth of pipe of vertical pipe 6. The separation tower 1 is a cylindrical cylinder with a smooth outer wall, the top of the separation tower 1 is sealed by a hemispherical cover body 10, the plane of the cover body 10 is hermetically connected with the top surface of the separation tower 1, a spray pipe 8 is arranged right above the cover body 10, and the pipe orifice of the spray pipe 8 faces the top of the cover body 10. The outlet pipe 3 is an inclined pipe, and the outlet pipe 3 penetrates through the condensing tower 4 and is inclined upwards towards the direction far away from the condensing tower 4.
The utility model discloses an implementation does: condensed water is filled in the water return tank, the condensed water can directly adopt tap water, a water suction pump is started, the condensed water circularly flows in the annular pipe, the condensed water can be sprayed to the separation tower from a water spray pipe communicated with the annular pipe in the flowing process, the temperature of the internal environment of the separation tower on the tower wall of the separation tower can be reduced by continuously spraying the condensed water to the separation tower, then methane is introduced into the separation tower from the air inlet pipe box, the methane can exchange heat with low-temperature air in the tower after entering the separation tower, the steam in the methane can be condensed into water drops to flow into the recovery tank when the temperature of the methane is reduced, the condensed water circularly flows, the condensing effect is good, the temperature of the dehydrated methane is not very high, the environmental temperature in the separation tower cannot be greatly increased after dehydration, the temperature in the tower can be quickly reduced by the condensed water outside the separation tower, the methane; the condensate water sprayed by the spray pipe can flow back to the water return tank along the tower wall of the separation tower, so that the cyclic utilization of the condensate water is realized, and the waste is avoided. The utility model utilizes the condensate water which circularly flows to cool the separation tower, reduces the air temperature in the separation tower, and then exchanges heat with the methane entering the separation tower, thereby realizing the condensation dehydration of the methane, having high dehydration efficiency, and the methane can be continuously dehydrated in the upward flowing process, and having high dehydration efficiency; in the utility model, the condensed water is continuously in a flowing state, so that the replacement of the condensed water is realized, and the condensing effect is good; the utility model can recycle the water dehydrated from the marsh gas, does not need to drain the separation tower in the later period, simplifies the dehydration process, improves the utilization rate of the water, and reduces the dehydration cost; the utility model discloses well spray pipe evenly distributed is around the knockout tower, and the coverage of comdenstion water is wide, and the knockout tower can rapid cooling.
Example 2
Based on embodiment 1, the air inlet pipe 2 is provided with at least two air outlet ends, all air outlet ends are located in the separation tower 1, and all air outlet ends of the air inlet pipe 2 are close to the tower wall of the separation tower 1. The temperature of the tower wall of the separation tower is the lowest, the methane flows along the tower wall of the separation tower, the cooling speed is high, the cooling degree is high, the dehydration amount is large, and the dehydration efficiency is high.
Example 3
Based on the above embodiment, install condenser tube sheet 11 in the return water tank 5, leave the clearance between the fretwork board at condenser tube sheet 11 and return water tank 5 top, the lower extreme mouth of pipe of two vertical pipes 6 passes condenser tube sheet 11 downwards and is located condenser tube sheet 11 below, installs air-cooler 12 on the lateral wall of return water tank 5, and the air outlet of air-cooler 12 communicates with the cavity between condenser tube sheet 11, the fretwork board. The water flowing into the water return tank through the condensing tube plate is cooled, so that the condensed water in the water return tank can be kept at a low temperature, the condensing tube plate is in heat exchange with the water in contact with the condensing tube plate, the temperature of the water entering the water return tank can be quickly reduced, the use is convenient, and the installation cost is low; the air-cooler is used for reducing the temperature of condenser tube sheet, reduces the temperature that gets into the water in the return water tank with the cooperation of condenser tube sheet, and the cooling efficiency is high, convenient to use.
Example 4
Based on above-mentioned embodiment, the fretwork board at return water tank 5 top is the filter. The aperture of the through hole on the condensing tube plate 11 is smaller than that of the through hole at the top of the water return tank 5. And the condensation tube plate and the hollow plate at the top of the water return tank realize double-effect filtration.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A high-efficiency dehydrating tower for marsh gas comprises a separation tower (1), a marsh gas inlet pipe (2) is communicated on the side wall of the separation tower (1) close to the bottom, a marsh gas outlet pipe (3) is communicated on the side wall of the separation tower (1) close to the top, and the dehydrating tower is characterized in that a condensation tower (4) which completely covers the separation tower (1) is installed outside the separation tower (1), a water return tank (5) is arranged below the condensation tower (4), the top of the water return tank (5) is a hollowed-out plate, the separation tower (1) and the condensation tower (4) are both installed on the hollowed-out plate at the top of the water return tank (5), the separation tower (1) and the condensation tower (4) are both communicated with the water return tank (5), an annular pipe is installed outside the condensation tower (4), and the annular pipe comprises two vertical pipes (6) which are respectively installed on the two sides of the condensation tower (4) and a horizontal pipe (7) installed above the, horizontal pipe (7) are located between two vertical pipes (6) and communicate with two vertical pipes (6), all be provided with many spray pipes (8) along pipe diameter direction evenly distributed on horizontal pipe (7) and two vertical pipes (6), the one end and the ring pipe intercommunication of spray pipe (8), the other end of spray pipe (8) is located the cavity between knockout tower (1) and condensing tower (4), the mouth of pipe of spray pipe (8) is towards knockout tower (1), the lower extreme mouth of pipe of two vertical pipes (6) all is located return water tank (5), be provided with suction pump (9) on arbitrary vertical pipe (6), suction pump (9) are close to the lower extreme mouth of pipe of vertical pipe (6).
2. The efficient dehydration tower for methane according to claim 1, characterized in that the separation tower (1) is a cylindrical cylinder with smooth outer wall, the top of the separation tower (1) is sealed by a hemispherical cover body (10), the plane of the cover body (10) is connected with the top surface of the separation tower (1) in a sealing way, a spray pipe (8) is arranged right above the cover body (10), and the nozzle of the spray pipe (8) faces the top of the cover body (10).
3. the efficient dehydration tower for methane according to claim 1, characterized in that the air inlet pipe (2) is provided with at least two air outlet ends, all of the air outlet ends are located in the separation tower (1), and all of the air outlet ends of the air inlet pipe (2) are close to the tower wall of the separation tower (1).
4. the biogas efficient dehydrating tower of claim 1, wherein the outlet pipe (3) is an inclined pipe, and the outlet pipe (3) passes through the condensing tower (4) and is inclined upward away from the condensing tower (4).
5. the efficient dehydration tower for methane as claimed in claim 1, wherein a condensation tube plate (11) is installed in the return water tank (5), a gap is reserved between the condensation tube plate (11) and a hollowed plate at the top of the return water tank (5), the lower end pipe orifices of the two vertical pipes (6) penetrate through the condensation tube plate (11) downwards and are located below the condensation tube plate (11), an air cooler (12) is installed on the side wall of the return water tank (5), and the air outlet of the air cooler (12) is communicated with the cavity between the condensation tube plate (11) and the hollowed plate.
6. The efficient dehydration tower for methane according to claim 1, characterized in that the hollowed-out plate at the top of the return water tank (5) is a filter plate.
7. The efficient dehydration tower for methane according to claim 5, characterized in that the aperture of the through holes on the condensation tube plate (11) is smaller than the aperture of the through holes on the top of the return water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402750.XU CN209797888U (en) | 2019-03-27 | 2019-03-27 | Efficient dehydration tower for methane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920402750.XU CN209797888U (en) | 2019-03-27 | 2019-03-27 | Efficient dehydration tower for methane |
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| Publication Number | Publication Date |
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| CN209797888U true CN209797888U (en) | 2019-12-17 |
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| CN201920402750.XU Active CN209797888U (en) | 2019-03-27 | 2019-03-27 | Efficient dehydration tower for methane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437849A (en) * | 2022-03-16 | 2022-05-06 | 中国石油化工股份有限公司胜利油田分公司纯梁采油厂 | Desulfurization equipment for natural gas exploitation |
-
2019
- 2019-03-27 CN CN201920402750.XU patent/CN209797888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437849A (en) * | 2022-03-16 | 2022-05-06 | 中国石油化工股份有限公司胜利油田分公司纯梁采油厂 | Desulfurization equipment for natural gas exploitation |
| CN114437849B (en) * | 2022-03-16 | 2023-05-23 | 中国石油化工股份有限公司胜利油田分公司纯梁采油厂 | Desulfurizing equipment for natural gas exploitation |
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