CN103497802B - A kind of device of Sweet natural gas depickling gas - Google Patents
A kind of device of Sweet natural gas depickling gas Download PDFInfo
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- CN103497802B CN103497802B CN201310456620.1A CN201310456620A CN103497802B CN 103497802 B CN103497802 B CN 103497802B CN 201310456620 A CN201310456620 A CN 201310456620A CN 103497802 B CN103497802 B CN 103497802B
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Abstract
The present invention relates to the equipment of amine method series connection purified natural gas, especially a kind of device of Sweet natural gas depickling gas.It is characterized in that: comprise first absorption tower (1) of connecting successively, second absorption tower (2), 3rd absorption tower (3), 4th absorption tower (4), 5th absorption tower (5) and the 6th absorption tower (6), wherein on the first absorption tower (1), be provided with Imported gas and on the 6th absorption tower (6), be provided with gas outlet, poor amine liquid entrance is equipped with at top, above-mentioned six absorption towers, also comprise first regenerator column (7) of connecting successively, second regenerator column (8), 3rd regenerator column (9) and the 4th regenerator column (10), acid gas outlet is provided with at the first regenerator column (7) top, reboiler (14) is provided with on the 4th side, regenerator column (10) bottom.Through probationary certificate, device of the present invention can solve traditional amine method and remove acid gas equipment inconvenience also unsafe problem in lifting, installation, transportation.
Description
Technical field
The present invention relates to the equipment of amine method series connection purified natural gas, especially a kind of device of Sweet natural gas depickling gas.
Background technology
In the production technique of Sweet natural gas, need the process of Sweet natural gas being deviate to acid gas, ripe technique adopts amine method to remove acid gas.At present, traditional amine method acid gas device removed in Sweet natural gas adopts a tower to absorb, the mode of a tower regeneration.The height of single tower, can only in production scene installation more than 20 meters.
Summary of the invention
The object of this invention is to provide that a kind of compact construction, volume are little, the device of transport and Sweet natural gas depickling gas easy to maintenance.
A kind of device of Sweet natural gas depickling gas, its special feature is: comprise first absorption tower of connecting successively, second absorption tower, 3rd absorption tower, 4th absorption tower, 5th absorption tower and the 6th absorption tower, wherein on the first absorption tower, be provided with Imported gas and on the 6th absorption tower, be provided with gas outlet, poor amine liquid entrance is equipped with at top, above-mentioned six absorption towers, and the poor amine liquid entrance on each absorption tower is all by the outlet of pipeline and lean pump, the entrance of this lean pump is then by the first outlet of pipeline and poor rich liquid heat exchanger, the outlet of amine liquid rich solution is equipped with bottom above-mentioned six absorption towers, and the outlet of the amine liquid rich solution on each absorption tower is all communicated with the entrance of reducing valve by pipeline, the outlet of this reducing valve is then by the first inlet communication of pipeline and poor rich liquid heat exchanger,
Also comprise first regenerator column of connecting successively, second regenerator column, 3rd regenerator column and the 4th regenerator column, and the bottom of the first regenerator column is communicated with the top of the second regenerator column by rich solution pump, the bottom of the second regenerator column is communicated with the top of the 3rd regenerator column by rich solution pump, the bottom of the 3rd regenerator column is communicated with the top of the 4th regenerator column by rich solution pump, acid gas outlet is provided with at the first regenerator column top, bottom the 4th regenerator column, side is provided with reboiler, the import of this reboiler is communicated with respectively with bottom the 4th regenerator column with outlet, thus amine liquid can be heated obtain gas-liquid mixture, and bottom the 4th regenerator column, be also provided with the outlet of hot amine liquid, second inlet communication of this hot amine liquid outlet and poor rich liquid heat exchanger, and the second outlet of this poor rich liquid heat exchanger is communicated with the top of the first regenerator column.
Through probationary certificate, after adopting device of the present invention, absorbed and multitower series-connected regenerative by multitower series system, then single tower height degree is no more than 3 meters, after can assembling in advance again whole Transporting to working-yard, without the need to in-site installation, and whole device can be put into standard container and transports, therefore device of the present invention can solve traditional amine method remove acid gas equipment in lifting, install, inconvenience also unsafe problem in transportation.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the present invention is a kind of device of Sweet natural gas depickling gas, comprise first absorption tower 1 of being connected successively by pipeline, second absorption tower 2, 3rd absorption tower 3, 4th absorption tower 4, 5th absorption tower 5 and the 6th absorption tower 6, wherein on the first absorption tower 1, be provided with Imported gas and on the 6th absorption tower 6, be provided with gas outlet, poor amine liquid entrance is equipped with at top, above-mentioned six absorption towers, and the poor amine liquid entrance on each absorption tower is all by the outlet of pipeline and lean pump 11, the entrance of this lean pump 11 is then by the first outlet of pipeline and poor rich liquid heat exchanger 15, the outlet of amine liquid rich solution is equipped with bottom above-mentioned six absorption towers, and the outlet of the amine liquid rich solution on each absorption tower is all communicated with by the entrance of pipeline with reducing valve 12, the outlet of this reducing valve 12 is then by the first inlet communication of pipeline and poor rich liquid heat exchanger 15,
Also comprise first regenerator column 7 of being connected successively by pipeline, second regenerator column 8, 3rd regenerator column 9 and the 4th regenerator column 10, and the bottom of the first regenerator column 7 is communicated with the top of the second regenerator column 8 by rich solution pump 13, the bottom of the second regenerator column 8 is communicated with the top of the 3rd regenerator column 9 by rich solution pump 13, the bottom of the 3rd regenerator column 9 is communicated with the top of the 4th regenerator column 10 by rich solution pump 13, acid gas outlet is provided with at the first regenerator column 7 top, bottom the 4th regenerator column 10, side is provided with reboiler 14, the import of this reboiler 14 is communicated with respectively with bottom the 4th regenerator column 10 with outlet, thus amine liquid can be heated obtain gas-liquid mixture, and bottom the 4th regenerator column 10, be also provided with the outlet of hot amine liquid, second inlet communication of this hot amine liquid outlet and poor rich liquid heat exchanger 15, and the second outlet of this poor rich liquid heat exchanger 15 is communicated with the top of the first regenerator column 7.
Six absorption towers in apparatus of the present invention are used for the absorption of sour gas, four regenerator columns are for absorbing the regeneration of the rich amine solution after sour gas, lean pump 11 for lean solution pressure-increasing unit to absorption tower, rich solution pump 13 is for rich amine solution conveying between regenerator column, complete series-connected regenerative, the rich amine solution pressure that reducing valve 12 flows out for adjusting absorption tower, reboiler 14 is for amine liquid regeneration heating, and poor rich liquid heat exchanger 15 is for the thermal exchange of lean solution rich solution.
Principle of work of the present invention is: Sweet natural gas passes through the first absorption tower 1, second absorption tower 2, the 3rd absorption tower 3, the 4th absorption tower 4, the 5th absorption tower 5, the 6th absorption tower 6 successively by the mode of series connection, acid gas is absorbed the gas outlet of rear Sweet natural gas from the 6th absorption tower 6 tower top and is flowed out this device, flows out acid gas content in the Sweet natural gas of this device and is less than 50ppm.
Poor amine liquid is sent into the tower top on six absorption towers simultaneously by lean pump 11, the acid gas in Sweet natural gas is absorbed in absorption tower, absorb the amine liquid rich solution of acid gas from the first absorption tower 1, second absorption tower 2, 3rd absorption tower 3, 4th absorption tower 4, 5th absorption tower 5, flow out bottom 6th absorption tower 6 and collect, amine liquid after collecting adjusts pressure by reducing valve 12, then by the poor amine liquid heat exchange after poor rich liquid heat exchanger 15 and regeneration, rich amine solution after heat exchange enters from the first regenerator column 7 top, carry out air lift regeneration, then flow out from bottom, by entering the second regenerator column 8 from top after rich solution pump 13 supercharging, flow out from bottom, again by entering the 3rd regenerator column 9 from top after rich solution pump 13 supercharging, flow out from bottom, again by entering the 4th regenerator column 10 from top after rich solution pump 13 supercharging.
Reboiler 14 is connected with the 4th regenerator column 10, heated after amine liquid in 4th regenerator column 10 enters reboiler 14, the gas-liquid mixture of amine liquid is flowed out at reboiler 14 top, reenter in the 4th regenerator column 10, liquid wherein flows out bottom the 4th regenerator column 10, by delivering to six absorption towers by lean pump 11 after poor rich liquid heat exchanger 15 heat exchange, complete circulation.And gas (acid gas) wherein flows out from the 4th regenerator column 10 top, then enter from the 3rd regenerator column 9 middle and lower part, go out from top, the rest may be inferred, finally flows out from the first regenerator column 7 top, be sent this device.
Claims (1)
1. the device of a Sweet natural gas depickling gas, it is characterized in that: comprise first absorption tower (1) of connecting successively, second absorption tower (2), 3rd absorption tower (3), 4th absorption tower (4), 5th absorption tower (5) and the 6th absorption tower (6), wherein on the first absorption tower (1), be provided with Imported gas and on the 6th absorption tower (6), be provided with gas outlet, poor amine liquid entrance is equipped with at top, above-mentioned six absorption towers, and the poor amine liquid entrance on each absorption tower is all by the outlet of pipeline and lean pump (11), the entrance of this lean pump (11) is then by the first outlet of pipeline and poor rich liquid heat exchanger (15), the outlet of amine liquid rich solution is equipped with bottom above-mentioned six absorption towers, and the outlet of the amine liquid rich solution on each absorption tower is all communicated with by the entrance of pipeline with reducing valve (12), the outlet of this reducing valve (12) is then by the first inlet communication of pipeline and poor rich liquid heat exchanger (15),
Also comprise first regenerator column (7) of connecting successively, second regenerator column (8), 3rd regenerator column (9) and the 4th regenerator column (10), and the bottom of the first regenerator column (7) is communicated with the top of the second regenerator column (8) by rich solution pump (13), the bottom of the second regenerator column (8) is communicated with the top of the 3rd regenerator column (9) by rich solution pump (13), the bottom of the 3rd regenerator column (9) is communicated with the top of the 4th regenerator column (10) by rich solution pump (13), acid gas outlet is provided with at the first regenerator column (7) top, reboiler (14) is provided with on the 4th side, regenerator column (10) bottom, the import of this reboiler (14) is communicated with the 4th regenerator column (10) bottom respectively with outlet, thus amine liquid can be heated obtain gas-liquid mixture, and the outlet of hot amine liquid is also provided with in the 4th regenerator column (10) bottom, second inlet communication of this hot amine liquid outlet and poor rich liquid heat exchanger (15), and second outlet of this poor rich liquid heat exchanger (15) is communicated with the top of the first regenerator column (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456620.1A CN103497802B (en) | 2013-09-29 | 2013-09-29 | A kind of device of Sweet natural gas depickling gas |
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| CN201310456620.1A CN103497802B (en) | 2013-09-29 | 2013-09-29 | A kind of device of Sweet natural gas depickling gas |
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| CN103497802A CN103497802A (en) | 2014-01-08 |
| CN103497802B true CN103497802B (en) | 2016-03-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043332A (en) * | 2014-07-07 | 2014-09-17 | 银川天佳能源科技股份有限公司 | Multi-tower series-connected circulating amine solution regenerating device |
| CN105749723B (en) * | 2016-04-22 | 2018-09-11 | 陕西和尊能源科技有限公司 | The purification-recovery system of carbon dioxide in industrial tail gas |
| CN112625768A (en) * | 2019-10-09 | 2021-04-09 | 辽宁中集哈深冷气体液化设备有限公司 | Natural gas decarbonization system and decarbonization method |
| CN117244383A (en) * | 2023-10-27 | 2023-12-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Carbon dioxide desorption system in flue gas |
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| EP0331788A1 (en) * | 1987-02-05 | 1989-09-13 | Uop | Tertiary alkanolamine absorbent containing an ethyleneamine promoter and its method of use |
| JPH05146625A (en) * | 1991-11-28 | 1993-06-15 | Hitachi Ltd | Removal of acidic gas from combustion exhaust gas |
| CN1088472A (en) * | 1992-12-24 | 1994-06-29 | 四川化工总厂 | From mist, remove the method for carbon dioxide |
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| CN102000486A (en) * | 2010-10-18 | 2011-04-06 | 武汉凯迪电力股份有限公司 | Method for catching carbon dioxide in flue gas by active sodium carbonate and apparatus thereof |
| CN201949778U (en) * | 2011-03-03 | 2011-08-31 | 杨东 | System for catching acid gas in flue gas |
| CN102186559A (en) * | 2008-10-13 | 2011-09-14 | 胡亮 | Methods and systems for deacidizing gaseous mixtures |
| CN203498343U (en) * | 2013-09-29 | 2014-03-26 | 银川天佳能源科技股份有限公司 | Device for removing acid gas from natural gas |
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2013
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0331788A1 (en) * | 1987-02-05 | 1989-09-13 | Uop | Tertiary alkanolamine absorbent containing an ethyleneamine promoter and its method of use |
| JPH05146625A (en) * | 1991-11-28 | 1993-06-15 | Hitachi Ltd | Removal of acidic gas from combustion exhaust gas |
| CN1088472A (en) * | 1992-12-24 | 1994-06-29 | 四川化工总厂 | From mist, remove the method for carbon dioxide |
| CN102186559A (en) * | 2008-10-13 | 2011-09-14 | 胡亮 | Methods and systems for deacidizing gaseous mixtures |
| CN101396632A (en) * | 2008-10-27 | 2009-04-01 | 四川亚连科技有限责任公司 | Multi-stage absorption, regeneration and purification method of polysilicon tail gas |
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| CN103497802A (en) | 2014-01-08 |
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Address after: 750200, the Ningxia Hui Autonomous Region, Yinchuan County, Helan Desheng Industrial Park on the south side of Feng Qing Road Applicant after: Yinchuan Tianjia Energy Technology Co., Ltd. Address before: 750200, the Ningxia Hui Autonomous Region, Yinchuan County, Helan Desheng Industrial Park on the south side of Feng Qing Road Applicant before: Yinchuan Tianjia Instrument Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: YINCHUAN TIANJIA INSTRUMENT AND METER CO., LTD. TO: YINCHUAN TIANJIA ENERGY TECHNOLOGY CO., LTD. |
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Address after: 750001 16 Fengqing West Road, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region. Patentee after: Ningxia kaytian gas development Limited by Share Ltd Address before: 750200 south side of Fengqing West Road, Desheng Industrial Park, Helan, Yinchuan, the Ningxia Hui Autonomous Region Patentee before: Yinchuan Tianjia Energy Technology Co., Ltd. |