CN202538616U - Residual-heat utilization natural gas molecular sieve dehydrating device - Google Patents
Residual-heat utilization natural gas molecular sieve dehydrating device Download PDFInfo
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- CN202538616U CN202538616U CN2012200540519U CN201220054051U CN202538616U CN 202538616 U CN202538616 U CN 202538616U CN 2012200540519 U CN2012200540519 U CN 2012200540519U CN 201220054051 U CN201220054051 U CN 201220054051U CN 202538616 U CN202538616 U CN 202538616U
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- molecular sieve
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Abstract
The utility model relates to a residual-heat utilization natural gas molecular sieve dehydrating device which is used for natural gas dehydration of natural gas well stations and gas stations, and comprises a compressor, an air preheater, a molecular sieve adsorption column and an electric heater which are connected into a system through pipelines, wherein the molecular sieve adsorption column is provided with an adsorption gas inlet valve, an adsorption gas outlet valve, a regeneration gas inlet valve and a regeneration gas outlet valve; the outlet of the compressor is sequentially connected with the air preheater and the adsorption gas inlet valve of the adsorption column, and are simultaneously connected with the electric heater and the regeneration gas inlet valve sequentially; and the regeneration gas outlet valve of the adsorption column is connected with the inlet end of the compressor through the pipeline. The device directly heats the compressed natural gas with higher temperature, and utilizes the compressed natural gas as the regeneration gas of a molecular sieve, so the residual heat of the natural gas of the outlet of the compressor is effectively utilized, and the energy consumption for heating the natural gas is reduced; and the device is energy-saving, and has zero emission and no pollution.
Description
Technical field
The utility model relates to a kind of UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device, is used for the gas dehydration of natural gas well station or gas station.
Background technology
Often contain a lot of impurity matter such as sulphur, water from the natural gas of underground extraction.Some impurity (like sulphur etc.) can cause the corrosion of equipment and conveyance conduit, and the existence of water can reduce the conveying capacity of natural gas, influences the service property (quality) of natural gas.Therefore before natural gas transport, need carry out a series of removal of impurity to natural gas and handle, the general molecular sieve dehydration method that adopts dewaters.The molecular sieve dehydration process needs natural gas via compressor boost, air preheater are cooled to about 50 ℃, goes into adsorbing tower with molecular sieve, wherein moisture by molecular sieve adsorption after, dry gas is discharged from the adsorption tower outlet.Molecular sieve needs regularly or regenerate towards high-temperature gas in not timing ground; Traditional regenerating molecular sieve is to draw the product dry gas as regeneration gas, and about 50 ℃ product dry gas are heated to about 230 ℃, feeds adsorption tower and regenerates, and the energy that needs is bigger.
Summary of the invention
The purpose of the utility model provides a kind of UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device, reduces the energy consumption of molecular sieve dehydration regeneration.
UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device; Comprise compressor, the preparatory device of air (being air preheater), adsorbing tower with molecular sieve and electric heater; Be linked to be system with pipeline, adsorbing tower with molecular sieve is provided with adsorbed gas inlet valve, adsorbed gas outlet valve, regeneration gas inlet valve and regeneration gas outlet valve; The outlet of said compressor is connected with the adsorbed gas inlet valve of air preheater, adsorption tower successively, and the outlet of compressor also is connected with electric heater, regeneration gas inlet valve through the compressor outlet valve simultaneously successively; The regeneration gas outlet valve of said adsorption tower is connected with compressor inlet through pipeline.
Be provided with the adsorbing tower with molecular sieve of two parallel connections, the adsorbing tower with molecular sieve of said two parallel connections is respectively equipped with adsorbed gas inlet valve, adsorbed gas outlet valve, regeneration gas inlet valve and regeneration gas outlet valve separately.
Described compressor, air preheater, adsorbing tower with molecular sieve and electric heater are integrated to be installed on the same sled seat.
This molecular sieve dewater unit adopts the pressurised natural gas (about 100 ℃) of compressor outlet as regeneration gas, and the natural gas that temperature after the supercharging is higher is drawn, and directly the heating back feeds adsorbing tower with molecular sieve as regeneration gas; Improved the initial heating temperature of regeneration gas; Effectively utilize the waste heat of compressor outlet natural gas, reduced the heating energy consumption of regeneration gas, energy savings; The zero-emission of this device, pollution-free.
Description of drawings
Fig. 1 is the system architecture sketch map of UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device.
Among the figure, 1,2-adsorption tower, 3-air preheater, 4-electric heater, 5-compressor, F-compressor outlet valve, F1, F1 '-adsorbed gas inlet valve, F2, F2 '-regeneration gas inlet valve, F3, F3 '-adsorbed gas outlet valve, F4, F4 '-regeneration gas outlet valve.
The specific embodiment
Like Fig. 1, compressor 5, air preheater 3, adsorbing tower with molecular sieve 1, adsorbing tower with molecular sieve 2 and electric heater 4 are linked to be system with pipeline; Adsorbing tower with molecular sieve 1 is provided with adsorbed gas inlet valve F1, adsorbed gas outlet valve F3, regeneration gas inlet valve F2 and regeneration gas outlet valve F4; Adsorbing tower with molecular sieve 2 is provided with adsorbed gas inlet valve F1 ', adsorbed gas outlet valve F3 ', regeneration gas inlet valve F2 ' and regeneration gas outlet valve F4 '; The outlet of compressor 5 is connected with air preheater 3, and the outlet of air preheater 3 connects adsorbed gas inlet valve F1 and adsorbed gas inlet valve F1 ' simultaneously.In addition, the outlet of compressor 5 also is connected with electric heater 4 through compressor outlet valve F, and the outlet of electric heater 4 connects regeneration gas inlet valve F2 and regeneration gas inlet valve F2 ' simultaneously; Regeneration gas outlet valve F4 is connected through the entrance point of same pipeline with compressor 5 with regeneration gas outlet valve F4 '.Above-mentioned compressor 5, air preheater 3, adsorbing tower with molecular sieve 1, adsorbing tower with molecular sieve 2 and electric heater 4 are integrated to be installed on the same sled seat sled block assembly that is integrally formed.
Two adsorbing tower with molecular sieve are used alternatingly through the valve switching, and when one of them adsorption tower adsorbed program, another adsorption tower regeneration desorption was subsequent use.
The temperature of the natural gas that comes out from compressor 5 is about 100 ℃, draws back heater via 4 and is warming up to about 230 degree, and temperature difference is about 130 ℃.Be heated to 230 ℃ of heats that add that reduced by 50 ℃ of temperature difference than tradition from 50 ℃ like this.
Absorption of this device and regeneration are two circuits as follows:
The absorption circuit is: natural gas → compressor 5 → air preheater → valve F1 (or valve F1 ') → adsorbing tower with molecular sieve 1 (or 2) → valve F3 (or valve F3 ') → dry gas is defeated outward.
The regeneration circuit is: compressor 5 → valve F → electric heater 4 → valve F2 ' (or valve F2) → adsorbing tower with molecular sieve 2 (or adsorbing tower with molecular sieve 1) → valve F4 ' (or valve F4) → compressor 5.
Claims (3)
1. UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device; Comprise compressor, air preheater, adsorbing tower with molecular sieve and electric heater; Be linked to be system with pipeline, adsorbing tower with molecular sieve is provided with adsorbed gas inlet valve, adsorbed gas outlet valve, regeneration gas inlet valve and regeneration gas outlet valve; The outlet that it is characterized in that said compressor is connected with the adsorbed gas inlet valve of air preheater, adsorption tower successively, and the outlet of compressor is connected with electric heater, regeneration gas inlet valve through the compressor outlet valve simultaneously successively; The regeneration gas outlet valve of said adsorption tower is connected with compressor inlet through pipeline.
2. UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device according to claim 1; It is characterized in that being provided with the adsorbing tower with molecular sieve that switches each other of two parallel connections, the adsorbing tower with molecular sieve of said two parallel connections is respectively equipped with adsorbed gas inlet valve, adsorbed gas outlet valve, regeneration gas inlet valve and regeneration gas outlet valve separately.
3. UTILIZATION OF VESIDUAL HEAT IN natural gas molecular sieve dehydration device according to claim 1 and 2 is characterized in that described compressor, air preheater, adsorbing tower with molecular sieve and electric heater are integrated to be installed on the same sled seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200540519U CN202538616U (en) | 2012-02-20 | 2012-02-20 | Residual-heat utilization natural gas molecular sieve dehydrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200540519U CN202538616U (en) | 2012-02-20 | 2012-02-20 | Residual-heat utilization natural gas molecular sieve dehydrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202538616U true CN202538616U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200540519U Expired - Fee Related CN202538616U (en) | 2012-02-20 | 2012-02-20 | Residual-heat utilization natural gas molecular sieve dehydrating device |
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| CN (1) | CN202538616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071475A (en) * | 2013-01-09 | 2013-05-01 | 西南石油大学 | Natural gas absorbent regeneration and energy conservation technology and device |
| CN104877725A (en) * | 2015-05-20 | 2015-09-02 | 四川金星清洁能源装备股份有限公司 | Natural gas dehydration device |
| CN110575735A (en) * | 2019-09-09 | 2019-12-17 | 佛山君帝环保科技有限公司 | Flue gas dehydration and white smoke elimination system |
-
2012
- 2012-02-20 CN CN2012200540519U patent/CN202538616U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071475A (en) * | 2013-01-09 | 2013-05-01 | 西南石油大学 | Natural gas absorbent regeneration and energy conservation technology and device |
| CN104877725A (en) * | 2015-05-20 | 2015-09-02 | 四川金星清洁能源装备股份有限公司 | Natural gas dehydration device |
| CN110575735A (en) * | 2019-09-09 | 2019-12-17 | 佛山君帝环保科技有限公司 | Flue gas dehydration and white smoke elimination system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN ZHONGKEDA OIL&GAS NEW TECHNOLOGY CO., LTD. Assignor: Chendu Keda Automation Control Engineering Co., Ltd. Contract record no.: 2014510000064 Denomination of utility model: Residual-heat utilization natural gas molecular sieve dehydrating device Granted publication date: 20121121 License type: Exclusive License Record date: 20140612 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20170220 |