CN201324590Y - Heating regeneration/adsorption type high-pressure gas/gas drier - Google Patents
Heating regeneration/adsorption type high-pressure gas/gas drier Download PDFInfo
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- CN201324590Y CN201324590Y CNU2008200990961U CN200820099096U CN201324590Y CN 201324590 Y CN201324590 Y CN 201324590Y CN U2008200990961 U CNU2008200990961 U CN U2008200990961U CN 200820099096 U CN200820099096 U CN 200820099096U CN 201324590 Y CN201324590 Y CN 201324590Y
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Abstract
The utility model discloses a heating regeneration/adsorption type high-pressure gas/gas drier, which comprises adsorption/regeneration towers, a heat exchanger, a front filter, a back filter, a one-way valve, a pneumatic or electric block valve, a pipeline system for connecting all the components, a throttle valve and an electric heater. A PLC self-control system controls the two adsorption/regeneration towers to switch automatically and work alternately; and a part of the air absorbed via the adsorption tower is subjected to throttling and pressure reduction by the throttle valve to generate low temperature air, and is heated by the electric heater and regenerated via the regeneration tower to generate high temperature air, and the low temperature air and the high temperature air conduct 'air to air' heat exchange in the heat exchanger. The utility model has the beneficial technical effects of adoption of the 'air to air' heat exchanger, cancellation of a water cooling or air cooling system, great water conservation, reduction of energy consumption for air heating, high degree of automation, simple and convenient operation and maintenance, maneuverability, flexibility, and high reliability.
Description
Technical field
The utility model relates to a kind of gas dry technology, relates in particular to a kind of thermal regeneration adsorption type high pressure natural gas/gas-drying apparatus.
Background technology
Abroad for the drying mode of natural gas, all adopt the preposition closed cycle dehydration of mesolow power, but this mode is very high to the requirement of gas source, requires the moisture of natural gas lower and stable at present.Present domestic drying mode for natural gas adopts the drying mode of forward type mostly.But in some specific region, Ru Chuan, the regional oil field of changing, because the moisture instability in the natural gas, and also contain certain objectionable impurities in the gas.For natural gas filling station, generally adopt rear-mounted drying mode dehydration.
Mainly there is following shortcoming in domestic rear-mounted drier at present:
1) heat exchanger in the traditional drying device adopts water-cooled or wind cooling temperature lowering, consume certain water resource or electric energy (wind cooling temperature lowering will use ventilation blower, motor and heat exchanger), a drier year water consumption or power consumption quite big.
2) just can enter regenerator because the regeneration gas that is used to purge will be heated to more than 150 ℃, therefore need heat this gas; In the traditional drying device, will through water-cooled or air-cooled after regeneration gas send into electric heater and be heated to more than 150 ℃, its temperature difference is big, needs to consume a large amount of electric energy.
3) adopt pressure regulator valve to control gas flow in the traditional drying device, need adjust at any time, increased the manually-operated amount, and increased the probability that maloperation occurs according to the variation of regeneration gas pressure (depending on recycling can pressure).
The utility model content
The utility model discloses a kind of thermal regeneration adsorption type high pressure natural gas/gas-drying apparatus, it comprises absorption/regenerator, heat exchanger; Fore filter, post-filter, check valve, pneumatic or electronic block valve and connect the pipe-line system of each parts, it is characterized in that: pneumatic or electronic block valve advances with an end of absorption/regenerator by first and second respectively in the gas outlet of fore filter/gas outlet is connected, and the advancing of described absorption/regenerator/gas outlet also connects the air inlet of the housing of heat exchanger respectively by third and fourth pneumatic or electronic block valve; The other end of the described first absorption/regenerator advances/and the gas outlet is connected with the inlet end of the 3rd check valve and the outlet side of first check valve, and the other end of the described second absorption/regenerator advances/and the gas outlet is connected with the inlet end of the 4th check valve and the outlet side of second check valve; The outlet side of third and fourth check valve is connected with post-filter and choke valve, and is connected to an end of the interior conduit of heat exchanger by choke valve; The other end of the interior conduit of described heat exchanger is connected to the air inlet of electric heater, and the gas outlet of electric heater is connected with the inlet end of first and second check valve; The gas outlet of the housing of described heat exchanger is connected with separator.
Described fore filter comprises separator-filter, dust removal filter, oil removal filter and links to each other according to the order of sequence.
Useful technique effect of the present utility model is: adopt " gas-gas " heat exchanger, use reflux type, can fully realize exchange heat, reduced the energy consumption that is used for the gas heating; Cancel water-cooling system or air cooling system, saved big water gaging, reduced power consumption; Adopt the PLC automatic controlling system, reduced manually-operated workload, reduced operator's labour intensity.
Description of drawings
Fig. 1, structural representation of the present utility model.
Among the figure: fore filter 1, separator-filter 1-a, dust removal filter 1-b, oil removal filter 1-c, heat exchanger 2, absorption/regenerator 3 (A, B), electric heater 4, check valve 5 (A
3, A
4, B
3, B
4), post-filter 6, choke valve 7, separator 8, pneumatic or electronic block valve 9 (d
1, d
2, d
3, d
4).
The specific embodiment
Referring to accompanying drawing 1, the utility model comprises two absorption/regenerators 3, heat exchanger 2, three fore filters 1, post-filter 6, four check valves 5, four pneumatic or electronic block valves 9 and connect the pipe-line system of each parts, wherein: the gas outlet of fore filter 1 is respectively by first and second pneumatic stopping valve 9-d
1, 9-d
3Advance with the end of two absorption/regenerator 3-A, 3-B/gas outlet is connected, and the advancing of described absorption/regenerator 3-A, 3-B/gas outlet is also respectively by third and fourth pneumatic or electronic block valve 9-d
2, 9-d
4The air inlet that connects the housing of heat exchanger 2; The other end of the described first absorption/regenerator 3-A advances/gas outlet and the 3rd check valve 5-A
4The inlet end and the first check valve 5-A
3The outlet side connect, the other end of the described second absorption/regenerator 3-B advances/gas outlet and the 4th check valve 5-B
4The inlet end and the second check valve 5-B
3The outlet side connect; Third and fourth check valve 5-A
4, 5-B
4The outlet side be connected with post-filter 6 and choke valve 7, and be connected to an end of the interior conduit of heat exchanger 2 by choke valve 7; The other end of the interior conduit of described heat exchanger 2 is connected to the air inlet of electric heater 4, the gas outlet of electric heater 4 and first and second check valve 5-A
3, 5-B
3Inlet end connect; The gas outlet of the housing of described heat exchanger 2 is connected with separator 8, reclaims gas and separating liquid and is discharged by the exhaust outlet and the sewage draining exit of separator 8 respectively.Described fore filter 1 comprises separator-filter 1-a, dust removal filter 1-b, oil removal filter 1-c and connects according to the order of sequence.The work of two absorption/regenerators 3 is automaticallyed switch by the PLC automatic controlling system.
In two absorption/regenerators 3, when one during as adsorption tower, another automaticallyes switch alternation just as regenerator.In the accompanying drawing 1 direction of arrow for when 3-A as adsorption tower, the natural gas gas flow of 3-B during as regenerator.
Below with 3-A as adsorption tower, 3-B describes the course of work of the present utility model as regenerator, in this case, pneumatic or electronic block valve 9-d
1, 9-d
4Open 9-d
2, 9-d
3Close, the keying of four pneumatic or electronic block valves 9 is controlled by automatic control system:
1) natural gas/gas enters from the air inlet of fore filter 1, natural gas/gas through fore filter 3 dedustings, dewater, after the oil removal treatment by pneumatic or electronic block valve 9-d
1Enter adsorption tower 3-A, this moment, adsorption tower 3-A carried out adsorption operations, and the natural gas/gas after adsorption tower 3-A handles is through check valve 5-A
4After post-filter 6 dedustings, enter the gas outlet and transport to caisson;
2) small amounts of natural gas/gas after adsorption tower 3-A handles is sent into the interior conduit of heat exchanger 2 by choke valve 7, enter electric heater 4 (choke valve 7 not throttlings of standard-sized sheet this moment then, heat exchanger 2 is not work also), by electric heater 4 gas is heated to design temperature, obtain high-temperature gas E1;
3) high-temperature gas E1 is through check valve 5-B
3Send into regenerator 3-B, utilize high-temperature gas E1 that regenerator 3-B is carried out high temperature regeneration, high-temperature gas E1 is through pneumatic or electronic block valve 9-d then
4Enter heat exchanger 2 housings, enter by separator 8 then and reclaim a mouthful recovery;
When 4) high-temperature gas E1 enters regenerator 3-B, choke valve 7 start working (gas is carried out the throttling step-down), become cryogenic gas F1 from natural gas/gas of adsorption tower 3-A after by choke valve 7, the high-temperature gas E1 that cryogenic gas F1 enters in the housing of the interior conduit of heat exchanger 2 and heat exchanger 2 carries out entering electric heater 4 again after the heat exchange, the temperature of the temperature of cryogenic gas F1 that enters electric heater 4 before than heat exchange had significantly and risen, this has just reduced the energy consumption of electric heater 4 follow-up heating greatly, electric heater 4 is heated to design temperature with gas, obtain high-temperature gas E2, like this natural gas/the gas that enters drier is carried out cyclic drying and handle recovery.
When the adsorption capacity of adsorption tower 3-A is saturated, when reaching the work period of setting, automatic control system is opened pneumatic or electronic block valve 9-d
3, 9-d
2, close pneumatic or electronic block valve 9-d
1, 9-d
4, the automatic switchover duty, to the adsorption tower 3-A operation of regenerating, 3-A just transfers regenerator to, and 3-B then transfers adsorption tower to and carries out adsorption operation.
From the description of the course of work as can be seen, " work-regeneration " process of absorption/regenerator 3-A and absorption/regenerator 3-B hockets, switch by four pneumatic or electronic block valves 9 is directly controlled, the action of each pneumatic or electronic block valve 9 is finished by the low-pressure gas source that magnetic valve provides, and magnetic valve is controlled by PLC.
Adsorption tower adopts molecular sieve to come gas is dewatered, materials such as solid particle, dust, greasy dirt are greatly destructive to molecular sieve, so be provided with separator-filter 1-a, dust removal filter 1-b and oil removal filter 1-c in the fore filter 1 gas is carried out preposition filtration, remove impurity.
Claims (2)
1, a kind of thermal regeneration adsorption type high pressure natural gas/gas-drying apparatus, it comprises: absorption/regenerator (3); Heat exchanger (2); Fore filter (1), post-filter (6), check valve (5), pneumatic or electronic block valve (9) and connect the pipe-line system of each parts is characterized in that:
The gas outlet of fore filter (1) is respectively by first and second pneumatic or electronic block valve (9-d
1), (9-d
3) advance with the end of two absorption/regenerators (3-A), (3-B)/gas outlet is connected, and the advancing of described absorption/regenerator (3-A), (3-B)/gas outlet is also respectively by third and fourth pneumatic or electronic block valve (9-d
2), (9-d
4) connect the air inlet of the housing of heat exchanger (2);
The other end of the described first absorption/regenerator (3-A) advances/gas outlet and the 3rd check valve (5-A
4) the inlet end and the first check valve (5-A
3) the outlet side connect, the other end of the described second absorption/regenerator (3-B) advances/gas outlet and the 4th check valve (5-B
4) the inlet end and the second check valve (5-B
3) the outlet side connect; Third and fourth check valve (5-A
4), (5-B
4) the outlet side be connected with post-filter (6) and choke valve (7), and be connected to an end of the interior conduit of heat exchanger (2) by choke valve (7);
The other end of the interior conduit of described heat exchanger (2) is connected to the air inlet of electric heater (4), the gas outlet of electric heater (4) and first and second check valve (5-A
3), (5-B
3) inlet end connect; The gas outlet of the housing of described heat exchanger (2) is connected with separator (8).
2, thermal regeneration adsorption type high pressure natural gas/gas-drying apparatus according to claim 1 is characterized in that: described fore filter (1) comprises separator-filter (1-a), dust removal filter (1-b), oil removal filter (1-c) and connects according to the order of sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200990961U CN201324590Y (en) | 2008-12-19 | 2008-12-19 | Heating regeneration/adsorption type high-pressure gas/gas drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200990961U CN201324590Y (en) | 2008-12-19 | 2008-12-19 | Heating regeneration/adsorption type high-pressure gas/gas drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201324590Y true CN201324590Y (en) | 2009-10-14 |
Family
ID=41176566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200990961U Expired - Fee Related CN201324590Y (en) | 2008-12-19 | 2008-12-19 | Heating regeneration/adsorption type high-pressure gas/gas drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201324590Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517110A (en) * | 2012-01-13 | 2012-06-27 | 重庆缔欧机械制造有限公司 | Injection type CNG (compressed natural gas) preposed drying device |
| CN101797465B (en) * | 2010-02-02 | 2012-07-25 | 陕西高芯超滤膜科技有限责任公司 | Pressure-reduction zero-emission energy-saving gas dewatering device |
| CN102732348A (en) * | 2012-07-06 | 2012-10-17 | 四川金星石油化工机械设备有限公司 | Separator used for CNG (compressed natural gas) dehydrating device |
| CN103028312A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | Control device for pneumatic valve of high pressure drying device |
| CN107051103A (en) * | 2017-02-17 | 2017-08-18 | 安徽万瑞冷电科技有限公司 | A kind of circulated helium dry decontamination system |
| CN110389544A (en) * | 2018-04-20 | 2019-10-29 | 中国石油天然气股份有限公司 | Method for handover control and device, the storage medium and processor of drier |
-
2008
- 2008-12-19 CN CNU2008200990961U patent/CN201324590Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797465B (en) * | 2010-02-02 | 2012-07-25 | 陕西高芯超滤膜科技有限责任公司 | Pressure-reduction zero-emission energy-saving gas dewatering device |
| CN102517110A (en) * | 2012-01-13 | 2012-06-27 | 重庆缔欧机械制造有限公司 | Injection type CNG (compressed natural gas) preposed drying device |
| CN102732348A (en) * | 2012-07-06 | 2012-10-17 | 四川金星石油化工机械设备有限公司 | Separator used for CNG (compressed natural gas) dehydrating device |
| CN103028312A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | Control device for pneumatic valve of high pressure drying device |
| CN107051103A (en) * | 2017-02-17 | 2017-08-18 | 安徽万瑞冷电科技有限公司 | A kind of circulated helium dry decontamination system |
| CN110389544A (en) * | 2018-04-20 | 2019-10-29 | 中国石油天然气股份有限公司 | Method for handover control and device, the storage medium and processor of drier |
| CN110389544B (en) * | 2018-04-20 | 2021-07-02 | 中国石油天然气股份有限公司 | Dryer switching control method and device, storage medium and processor |
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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: 20091014 Termination date: 20141219 |
|
| EXPY | Termination of patent right or utility model |