CN211261868U - Natural gas heat exchange separation system - Google Patents
Natural gas heat exchange separation system Download PDFInfo
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- CN211261868U CN211261868U CN201922340421.XU CN201922340421U CN211261868U CN 211261868 U CN211261868 U CN 211261868U CN 201922340421 U CN201922340421 U CN 201922340421U CN 211261868 U CN211261868 U CN 211261868U
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Abstract
The utility model relates to a natural gas heat transfer piece-rate system, including regeneration tower and relief pressure valve, natural gas heat transfer piece-rate system includes the heat exchanger, and the heat exchanger includes casing and heat exchange tube, is equipped with the heat transfer chamber in the casing, and the heat exchange tube is worn to establish in the heat transfer chamber, the casing has first air inlet and first gas outlet, first air inlet and first gas outlet respectively with heat transfer chamber intercommunication, regeneration tower and first air inlet intercommunication, the heat exchange tube has second air inlet and second gas outlet, second air inlet and relief pressure valve intercommunication. The utility model discloses a natural gas heat transfer piece-rate system carries out the heat exchange with the low temperature regeneration gas with the regeneration gas of high temperature, reduces high temperature and is favorable to the separation of moisture, and the regeneration gas temperature of rising the electric heater can practice thrift the electric energy greatly; in addition, the tightness of the drain valve can be enhanced, and leakage is avoided.
Description
Technical Field
The utility model relates to a natural gas technology field, in particular to natural gas heat transfer piece-rate system.
Background
At present, in a traditional rear-mounted high-pressure dryer, high-pressure natural gas is decompressed by a pressure regulating valve, enters an electric heater for heating and heating, then enters a regeneration tower for regenerating a molecular sieve, and directly enters a station recovery tank for recycling after being discharged from the regeneration tower, and a heat exchange process is not needed. The temperature of the regenerated gas from the regeneration tower is generally 40-100 ℃, the heat contained in the gas is diffused in a pipeline or brought into a recovery tank, and the temperature of the high-pressure gas is reduced to below 0 ℃ after being decompressed and then enters an electric heater. Above-mentioned technical scheme is unfavorable for coming out the moisture in the gas, simultaneously, can consume a large amount of electric heater's electric energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, thereby provide one kind can utilize the cold volume that high-pressure natural gas throttle decompression produced to reduce the temperature of regeneration gas and be favorable to the separation of moisture in the regeneration gas and practice thrift the natural gas heat transfer piece-rate system of electric energy.
The specific technical scheme is as follows: the utility model provides a natural gas heat transfer piece-rate system, includes regenerator column and relief pressure valve, and natural gas heat transfer piece-rate system includes the heat exchanger, and the heat exchanger includes casing and heat exchange tube, is equipped with the heat transfer chamber in the casing, and the heat exchange tube is worn to establish in the heat transfer chamber, the casing has first air inlet and first gas outlet, first air inlet and first gas outlet respectively with heat transfer chamber intercommunication, regenerator column and first air inlet intercommunication, the heat exchange tube has second air inlet and second gas outlet, second air inlet and relief pressure valve intercommunication.
The following is the attached technical proposal of the utility model.
Furthermore, a drain valve is arranged at the bottom of the shell.
Further, the second air inlet is provided with a pressure regulating valve.
Further, the heat exchange tube comprises a straight tube and an elbow tube, the straight tube is vertically arranged in the heat exchange cavity, the elbow tube is transversely arranged in the heat exchange cavity, and the elbow tube is communicated with the straight tube.
Furthermore, the second air inlet is arranged at the top of the shell, and the second air outlet is arranged on the side surface of the shell.
Furthermore, the first air inlet and the first air outlet are respectively arranged on the side face of the shell, the first air inlet is arranged at the bottom of the shell, and the second air inlet is arranged above the shell.
Further, the drain valve is provided with a drain outlet, and a sealing plug is arranged in the drain outlet.
Furthermore, the sealing plug comprises a main body and sealing rings, wherein the sealing rings are arranged on the side face of the main body, and the sealing rings are arranged in parallel.
Further, the diameter of the sealing ring decreases from the first end to the second end of the main body.
Further, the seal ring has a notch portion.
The technical effects of the utility model: the utility model discloses a natural gas heat transfer piece-rate system carries out the heat exchange with the low temperature regeneration gas with the regeneration gas of high temperature, reduces high temperature and is favorable to the separation of moisture, and the regeneration gas temperature of rising the electric heater can practice thrift the electric energy greatly; in addition, the tightness of the drain valve can be enhanced, and leakage is avoided.
Drawings
Fig. 1 is a schematic diagram of a natural gas heat exchange separation system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a heat exchanger according to an embodiment of the present invention.
Figure 3 is a schematic view of a sealing plug according to an embodiment of the invention arranged in a drain opening.
Fig. 4 is a schematic view of a sealing plug according to an embodiment of the invention.
Fig. 5 is a schematic view of a seal ring according to an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the embodiments listed.
As shown in fig. 1 to 5, the natural gas heat exchange separation system of the present embodiment includes a regeneration tower and a pressure reducing valve, the natural gas heat exchange separation system includes a heat exchanger 3, the heat exchanger 3 includes a housing 4 and a heat exchange tube 5, a heat exchange cavity 41 is provided in the housing 4, and the heat exchange tube 5 is inserted into the heat exchange cavity 41. The shell 4 is provided with a first air inlet 42 and a first air outlet 43, the first air inlet 42 and the first air outlet 43 are respectively communicated with the heat exchange cavity 41, and the regeneration tower is communicated with the first air inlet 42. The heat exchange pipe 5 has a second inlet 51 and a second outlet 52, and the second inlet 52 is communicated with a pressure reducing valve. In the above technical solution, tower gas discharged from the regeneration tower enters the surrounding cavity 41 through the first gas inlet 42, and then enters the regeneration gas recovery system through the first gas outlet 43. The high-pressure gas is decompressed by the decompression valve, enters the surrounding pipe 5 through the second gas inlet 51, and enters the electric heater through the second gas outlet 52. The high-temperature regenerated gas coming out of the regeneration tower exchanges heat with the regenerated gas after pressure reduction, the temperature of the regenerated gas coming out of the tower is reduced, moisture in the gas can be separated, the temperature of the regenerated gas of the electric heater is increased, heat energy of the electric heater can be saved, and electric energy is greatly saved. The high-temperature gas enters the shell and exchanges heat with the decompressed regeneration gas, and the temperature is reduced to room temperature when the high-temperature gas reaches the first gas outlet; the temperature of the regenerated gas after pressure reduction is reduced to be below 0 ℃, a large amount of heat can be absorbed in the heat exchange process, and even the outer wall of the shell is frosted. Through the technical scheme, the regeneration gas is heated from-10 ℃ to 220 ℃ originally, and only needs to be heated from 40 ℃ to 220 ℃ after passing through the system, so that the energy is saved by 22%.
In this embodiment, the bottom of the casing 4 is provided with a drain valve 6, so that accumulated water in the casing can be drained.
In this embodiment, the second inlet 51 is provided with a pressure regulating valve 7, so as to facilitate regulation of the pressure of the air flow.
In this embodiment, the heat exchange tube 5 includes a straight tube 53 and an elbow 54, the straight tube 53 is vertically disposed in the heat exchange cavity 41, the elbow 54 is transversely disposed in the heat exchange cavity 41, and the elbow 54 is communicated with the straight tube 53. Through the technical scheme, the air flow can pass through the straight pipe and then be discharged through the bent pipe, and the air flow is conveniently discharged from the side surface of the heat exchange pipe.
In this embodiment, the second air inlet 51 is disposed at the top of the housing 4, and the second air outlet 52 is disposed at the side of the housing, so as to facilitate air intake and exhaust of the heat exchange pipe.
In this embodiment, first air inlet 42 and first gas outlet 43 set up respectively in the casing side, and first air inlet 42 sets up in the casing bottom, and second air inlet 43 sets up in the casing top to make the air current from up flowing down, the air current in the heat exchange tube flows from up down, realizes abundant heat transfer.
In this embodiment, the drain valve 6 has a drain opening 61, and a sealing plug 7 is provided in the drain opening 61, so as to prevent water from dripping from the drain opening.
In this embodiment, the sealing plug 7 includes a main body 71 and a sealing ring 72, the sealing ring 72 is disposed on a side surface of the main body 71, and a plurality of sealing rings are disposed in parallel. Through the technical scheme, multi-level sealing can be realized, and the sealing performance of the sealing plug is enhanced.
In this embodiment, the diameter of the sealing ring decreases from the first end 711 to the second end 712 of the main body 71, so that the sealing ring can be applied to drain ports with different pipe diameters.
In this embodiment, the sealing ring 72 has a notch 721, so that the sealing ring can be deformed to fit the inner wall of the drain opening.
The natural gas heat exchange separation system of the embodiment exchanges heat between the high-temperature regenerated gas and the low-temperature regenerated gas, the temperature of the high-temperature gas is reduced, the separation of water is facilitated, and the temperature of the regenerated gas of the electric heater is increased, so that electric energy can be greatly saved; in addition, the tightness of the drain valve can be enhanced, and leakage is avoided.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a natural gas heat transfer piece-rate system, includes regenerator column and relief pressure valve, its characterized in that, natural gas heat transfer piece-rate system includes the heat exchanger, and the heat exchanger includes casing and heat exchange tube, is equipped with the heat transfer chamber in the casing, and the heat exchange tube is worn to establish in the heat transfer chamber, the casing has first air inlet and first gas outlet, first air inlet and first gas outlet respectively with heat transfer chamber intercommunication, regenerator column and first air inlet intercommunication, the heat exchange tube has second air inlet and second gas outlet, second air inlet and relief pressure valve intercommunication.
2. The natural gas heat exchange separation system of claim 1, wherein a drain valve is arranged at the bottom of the shell.
3. The natural gas heat exchange separation system of claim 1, wherein the second gas inlet is provided with a pressure regulating valve.
4. The natural gas heat exchange separation system of claim 1, wherein the heat exchange tube comprises a straight tube and an elbow tube, the straight tube is vertically arranged in the heat exchange cavity, the elbow tube is transversely arranged in the heat exchange cavity, and the elbow tube is communicated with the straight tube.
5. The natural gas heat exchange separation system of claim 4, wherein the second gas inlet is arranged at the top of the shell, and the second gas outlet is arranged at the side of the shell.
6. The natural gas heat exchange separation system of claim 1, wherein the first gas inlet and the first gas outlet are respectively arranged on the side surface of the shell, the first gas inlet is arranged at the bottom of the shell, and the second gas inlet is arranged above the shell.
7. The natural gas heat exchange separation system of claim 2, wherein the drain valve has a drain opening with a sealing plug disposed therein.
8. The natural gas heat exchange separation system of claim 7, wherein the sealing plug comprises a main body and sealing rings, the sealing rings are arranged on the side face of the main body, and the sealing rings are arranged in parallel.
9. The natural gas heat exchange separation system of claim 8, wherein the diameter of the seal ring decreases from the first end to the second end of the main body.
10. The natural gas heat exchange separation system of claim 9, wherein the sealing ring has a notched portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340421.XU CN211261868U (en) | 2019-12-24 | 2019-12-24 | Natural gas heat exchange separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340421.XU CN211261868U (en) | 2019-12-24 | 2019-12-24 | Natural gas heat exchange separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211261868U true CN211261868U (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340421.XU Active CN211261868U (en) | 2019-12-24 | 2019-12-24 | Natural gas heat exchange separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211261868U (en) |
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2019
- 2019-12-24 CN CN201922340421.XU patent/CN211261868U/en active Active
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