CN202880271U - High-efficiency heat exchanger system for underground gas storage - Google Patents
High-efficiency heat exchanger system for underground gas storage Download PDFInfo
- Publication number
- CN202880271U CN202880271U CN 201220603650 CN201220603650U CN202880271U CN 202880271 U CN202880271 U CN 202880271U CN 201220603650 CN201220603650 CN 201220603650 CN 201220603650 U CN201220603650 U CN 201220603650U CN 202880271 U CN202880271 U CN 202880271U
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- heat exchanger
- propane
- natural gas
- evaporator
- heat exchange
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Abstract
The utility model discloses a high-efficiency heat exchanger system for an underground gas storage. The high-efficiency heat exchanger system comprises a gas filter, a natural gas heat exchanger, a propane evaporator and a three-phase separator, wherein raw natural gas is connected with a tube pass inlet of the natural gas heat exchanger by the gas filter; a tube pass outlet of the natural gas heat exchanger is connected with a tube pass inlet of the propane evaporator; a tube pass outlet of the propane evaporator is connected with the three-phase separator; dry natural gas separated by the three-phase separator is connected with a shell pass inlet of the natural gas heat exchanger; a shell pass outlet of the natural gas heat exchanger is connected with a user pipe network; liquid propane coming from a propane device is connected with a shell pass inlet of the propane evaporator; and a shell pass outlet of the propane evaporator is connected with an inlet of a propane compressor. After the high-pressure spiral tube heat exchanger is adopted by a dealkylation system of the underground gas storage, the equipment investment and the occupied land area are greatly reduced, the resistance is reduced, and the energy consumption is reduced; and therefore, the high-efficiency heat exchanger system for the underground gas storage has remarkable economic benefit.
Description
Technical field
The utility model relates to a kind of high-performance heat exchanger system, is specially a kind of high-performance heat exchanger system that uses in the underground natural gas storage project, the particularly application of high voltage winding tubular heat exchanger.
Background technology
The underground natural gas storage is that the natural fuels with extraction refills underground preservation, thereby forms a kind of artificial gas field or gas reservoir.The underground natural gas storage can solve city gas non-uniformity problem preferably, plays the Seasonal Peak Shaving effect, and the underground natural gas storage gas-storing capacity is large, and is safe and reliable, extensively adopted by countries in the world.Because the gas-storing capacity of underground natural gas storage is generally all very large, and pressure is also very high, as adopts conventional shell-and-tube heat exchanger, then need the connection in series-parallel of a lot of platform heat exchanger to carry out heat exchange.So not only consume a large amount of materials, increase equipment investment, and cause local resistance greatly to improve, floor area is also very large.In order to overcome these difficult problems, need a kind of novel high-performance heat exchanger of exploitation to substitute traditional shell-and-tube heat exchanger.
High voltage winding tubular heat exchanger structure is special, has following features: high pressure resistant, heat exchange efficiency is high, and the separate unit heat interchanging area is large, realizes that easily heat exchanger maximizes; The thermal compensation performance is good, is fit to the large heat exchange of the medium temperature difference; Compact conformation, to the heat exchanger tube of 8～12 millimeters of calibers, the heat interchanging area of every cubic meter volume can reach 100～170 m2.In view of these advantages, the high voltage winding tubular heat exchanger is met the tendency in traditional underground natural gas storage system, be a good problem to study.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of heat exchanger on the de-hydrocarbon system of underground natural gas storage, select the high voltage winding tubular heat exchanger to substitute traditional shell-and-tube heat exchanger, can greatly reduce equipment investment and floor area, reduce resistance, reduce energy consumption, have significant economic benefit.
The purpose of this utility model is achieved in that
A kind of high-performance heat exchanger system for the underground natural gas storage, comprise gas filter (1), heat exchange gas device (2), propane evaporator (3), triphase separator (4), raw natural gas is by gas filter (1), be connected with the tube side import of heat exchange gas device (2), the tube side outlet of heat exchange gas device (2) is connected with the tube side import of propane evaporator (3), the tube side outlet of propane evaporator (3) is connected with triphase separator (4), be connected with the shell side import of heat exchange gas device (2) through the dry gas after triphase separator (4) separation, the shell side outlet of heat exchange gas device (2) links to each other with user's pipe network; Petrogas from the propane device is connected with the shell side import of propane evaporator (3), and the shell side outlet of propane evaporator (3) is connected with the propane compressor import;
Described heat exchange gas device (2) and propane evaporator (3) all adopt the high voltage winding tubular heat exchanger.
Positive beneficial effect:Heat exchanger on the de-hydrocarbon system of the utility model underground natural gas storage greatly reduces equipment investment and floor area after adopting the utility model high voltage winding tubular heat exchanger, has reduced resistance, has reduced energy consumption, has significant economic benefit.
Description of drawings
Fig. 1 is system process figure of the present utility model.
Fig. 2 is high voltage winding tubular heat exchanger outside drawing of the present utility model.
Among the figure be: gas filter 1, heat exchange gas device 2, propane evaporator 3, triphase separator 4.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, a kind of high-performance heat exchanger system for the underground natural gas storage, comprise gas filter (1), heat exchange gas device (2), propane evaporator (3), triphase separator (4), raw natural gas is by gas filter (1), be connected with the tube side import of heat exchange gas device (2), the tube side outlet of heat exchange gas device (2) is connected with the tube side import of propane evaporator (3), the tube side outlet of propane evaporator (3) is connected with triphase separator (4), be connected with the shell side import of heat exchange gas device (2) through the dry gas after triphase separator (4) separation, the shell side outlet of heat exchange gas device (2) links to each other with user's pipe network; Petrogas from the propane device is connected with the shell side import of propane evaporator (3), and the shell side outlet of propane evaporator (3) is connected with the propane compressor import;
As shown in Figure 2, described heat exchange gas device (2) and propane evaporator (3) all adopt the high voltage winding tubular heat exchanger.
6.2MPa after treatment, 32 ℃ raw natural gas, enter the tube side in the heat exchange gas device (2), with enter the 6.12MPa that shell side is pure in the heat exchange gas device (2) behind the hydrocarbon from taking off through triphase separator (4),-10 ℃ dry gas carries out countercurrent flow, through the raw natural gas after the precooling, enter the tube side of propane evaporator (3), carry out heat exchange with-14 ℃ petrogas from the propane device, continue cooling, after raw natural gas process heat exchange gas device (2) and propane evaporator (3) the twice heat exchange cooling, then entering triphase separator (4) separates, pure dry gas after taking off hydrocarbon and dealcoholysis, user's pipe network is then sent in the shell side re-heat to 27 ℃ that enters again heat exchange gas device (3); Simultaneously,-14 ℃ petrogas from the propane device, enter the shell side of propane evaporator (3) as low-temperature receiver, absorption is from the heat of the raw natural gas of tube side in the heat exchange gas device (2), evaporation becomes propane vapor and gets back to propane compressor import in the propane device, carries out propane cycles.
Process every day for a cover and to take off the hydrocarbon disposal system in the underground natural gas storage of natural fuels 500 * 104Nm3/d scale, heat exchanger is as selecting traditional shell-and-tube heat exchanger, then needing to choose diameter of the housing is DN1400mm, and the heat exchanger overall length is 4 on heat exchanger about 11.5m, and gross weight is about 184 tons; As select high voltage winding tubular heat exchanger of the present utility model, and then only need to choose diameter of the housing is DN1800mm, and the heat exchanger overall length is 1 on heat exchanger about 16.2m, and gross weight is about 67.3 tons.After selecting high voltage winding tubular heat exchanger of the present utility model, guaranteeing under the resistance that equates that the shell-and-tube heat exchanger that weight ratio is traditional reduces 63%, floor area reduces 54%, and equipment investment saves 37%, has brought huge economic benefit.
Above embodiment only is used for illustrating preferred implementation of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken that described field those of ordinary skill possesses; any modification of doing within spirit of the present utility model and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the utility model asks for protection.
Claims (2)
1. high-performance heat exchanger system that is used for the underground natural gas storage, comprise gas filter (1), heat exchange gas device (2), propane evaporator (3), triphase separator (4), it is characterized in that: raw natural gas is by gas filter (1), be connected with the tube side import of heat exchange gas device (2), the tube side outlet of heat exchange gas device (2) is connected with the tube side import of propane evaporator (3), the tube side outlet of propane evaporator (3) is connected with triphase separator (4), be connected with the shell side import of heat exchange gas device (2) through the dry gas after triphase separator (4) separation, the shell side outlet of heat exchange gas device (2) links to each other with user's pipe network; Petrogas from the propane device is connected with the shell side import of propane evaporator (3), and the shell side outlet of propane evaporator (3) is connected with the propane compressor import.
2. a kind of high-performance heat exchanger system for the underground natural gas storage according to claim 1, it is characterized in that: described heat exchange gas device (2) and propane evaporator (3) all adopt the high voltage winding tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603650 CN202880271U (en) | 2012-11-16 | 2012-11-16 | High-efficiency heat exchanger system for underground gas storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603650 CN202880271U (en) | 2012-11-16 | 2012-11-16 | High-efficiency heat exchanger system for underground gas storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202880271U true CN202880271U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220603650 Expired - Fee Related CN202880271U (en) | 2012-11-16 | 2012-11-16 | High-efficiency heat exchanger system for underground gas storage |
Country Status (1)
| Country | Link |
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| CN (1) | CN202880271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884821A (en) * | 2019-11-29 | 2020-03-17 | 长沙理工大学 | Underground gas storage with heat storage and temperature control functions |
-
2012
- 2012-11-16 CN CN 201220603650 patent/CN202880271U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884821A (en) * | 2019-11-29 | 2020-03-17 | 长沙理工大学 | Underground gas storage with heat storage and temperature control functions |
| CN110884821B (en) * | 2019-11-29 | 2021-07-09 | 长沙理工大学 | Underground gas storage with heat storage and temperature control functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |