CN204490835U - A kind of skid Sweet natural gas TEG dehydration device - Google Patents
A kind of skid Sweet natural gas TEG dehydration device Download PDFInfo
- Publication number
- CN204490835U CN204490835U CN201520181407.9U CN201520181407U CN204490835U CN 204490835 U CN204490835 U CN 204490835U CN 201520181407 U CN201520181407 U CN 201520181407U CN 204490835 U CN204490835 U CN 204490835U
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- dew point
- natural gas
- sweet natural
- water dew
- outlet
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 239000003345 natural gas Substances 0.000 title claims abstract description 57
- 235000009508 confectionery Nutrition 0.000 title claims abstract description 55
- 230000018044 dehydration Effects 0.000 title claims abstract description 49
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 30
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides a kind of skid Sweet natural gas TEG dehydration device, comprises dehydration absorption tower, dry gas purification separator and water dew point detecting unit, and the import of dry gas purification separator is connected with the outlet on dehydration absorption tower; The detection entrance of water dew point detecting unit is fixedly connected on the outlet conduit of dry gas purification separator, for detecting the water dew point of Sweet natural gas in real time.By carrying out Real-Time Monitoring to the water dew point of the Sweet natural gas after processed, gas water dew point index after timely grasp dehydration, water-content in strict control Sweet natural gas, guarantee that water dew point index meets the defeated requirement of pipe completely, and then ensure the handling capacity of gas transmission line, and the life-span of gas transmission line.Also comprise LED display and controller and warning howler, and related data can be uploaded to central station of floating dock by DCS system, the water dew point situation of the Sweet natural gas exported after facilitating monitor staff to observe dehydration at any time, and the situation that Timeliness coverage gas water dew point is not up to standard, to adjust dewatering unit.
Description
Technical field
The utility model relates to natual gas dehydrate unit technical field, especially a kind of skid Sweet natural gas TEG dehydration device.
Background technology
In purified natural gas after the Sweet natural gas of extraction in stratum and desulfurization and decarburization process, generally all contain a large amount of saturation vapours, steam is component pernicious in Sweet natural gas.The existence of steam in Sweet natural gas, decreases the transport capacity of gas pipe line to other active principle, reduces the calorific value of Sweet natural gas.And, when distribution pressure and variation of ambient temperature, steam may be caused to separate out from Sweet natural gas, form the solid water compound of liquid water, ice or Sweet natural gas, the existence of these materials can increase gas transmission pressure drop, reduce the handling capacity of gas transmission line, also can block valve and pipeline time serious, affect tight gas supply.When carrying containing acidic components Sweet natural gas, the existence of liquid water also can accelerate the corrosion of acidic components to tube wall, valve, reduces the pipeline life-span.Therefore, Sweet natural gas must carry out processed, reach regulation containing after water dew point index, just allow to enter Trunk-line.
Therefore, in natural gas processing system, we need the water dew point after to gas dehydration process to detect in real time, thus ensure that the water content in Sweet natural gas is no more than the defeated requirement of pipe, guarantee the safe operation of pipe communication system.Current Gas Dehydration System is all generally arrange water-content detector outside sled, and the water-content of external defeated Sweet natural gas detects, and the data of detection are moisture content, owing to being arranged on outside sled, is unfavorable for safeguarding; Institute's Testing index is moisture content simultaneously, also needs to transform, is also unfavorable for real-time monitoring.
Utility model content
The purpose of this utility model is to provide a kind of skid Sweet natural gas TEG dehydration device, online dehydrating effect testing and analysis system is set in existing Gas Dehydration System, the content of steam in Sweet natural gas after the convenient processed of monitoring in real time, guarantee enters the water content of the Sweet natural gas of Trunk-line in allowed limits, and then ensure the handling capacity of gas transmission line, and the life-span of gas transmission line.Solve existing Gas Dehydration System inconvenience and the technical problem of Real-Time Monitoring is carried out to the content of steam in the Sweet natural gas after processed.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of skid Sweet natural gas TEG dehydration device, comprise dehydration absorption tower, dry gas purification separator and water dew point detecting unit, the import of described dry gas purification separator is connected with the outlet on described dehydration absorption tower; The detection entrance of described water dew point detecting unit is fixedly connected on the outlet conduit of described dry gas purification separator, for detecting the water dew point of Sweet natural gas in real time.
Further, described water dew point detecting unit adopts water dew point detector.
Further, also comprise dispersing control system (DCS system), the data output end of described water dew point detecting unit is connected with the input terminus of the treater of described dispersing control system.By DCS system, water dew point is detected data upload to central station of floating dock, can observe water dew point index in real time and monitor.
Further, also comprise LED display, described LED display is connected with described water dew point detector, for showing detection data in real time.The fixed position of described LED display can be determined according to on-site actual situations, is fixed on the place that on-site supervision personnel easily observe, such as, in Control Room, can observe the water dew point situation of the Sweet natural gas that dehydration exports at any time.
Further, also comprise warning, described warning is connected with described water dew point detecting unit, and when water dew point in Sweet natural gas is above standard value, described warning sends chimes of doom.
Further, described warning comprises controller and warning howler, and the input terminus of described controller is connected with described water dew point detecting unit, and the output terminal of described controller is connected with the control end of described warning howler.
Further, also comprise sampling system, the detection entrance of described water dew point detecting unit is connected to by described sampling system on the outlet conduit of described dry gas purification separator, can carry out timing sampling analysis and on-line monitoring as required.
Further, described Sweet natural gas TEG dehydration device also comprises triglycol regeneration unit.
Further, described triglycol regeneration unit comprises flash tank, strainer, interchanger, regenerator column, reboiler and recycle pump; The top entry of described flash tank exports with the rich bottoms liquid on described absorption tower and is connected, and outlet at bottom is connected with filter inlet; The low-temperature inlet of described interchanger is connected with the outlet of described strainer, and hot outlet is connected with the top entry of described regenerator column; The entrance of described reboiler is connected with the outlet at bottom of described regenerator column, and outlet is connected with the high temperature inlet of described interchanger; The entrance of described recycle pump is connected with the low-temperature outlet of described interchanger, and outlet is connected with the top solution inlet on described absorption tower.
Further, described triglycol regeneration unit also comprises surge tank, and described surge tank is arranged between described reboiler and interchanger; The entrance of described surge tank is connected with the outlet of described reboiler, and outlet is connected with the high temperature inlet of described interchanger.
The utility model can not carry out the technical problem of detection in real time for existing Gas Dehydration System to the content of steam in the Sweet natural gas after processed, propose a kind of skid Sweet natural gas TEG dehydration device, water dew point detecting unit (i.e. water dew point detector) is fixedly attached on the outlet conduit of described dry gas purification separator, to realize carrying out Real-Time Monitoring to the water dew point of the Sweet natural gas after processed, gas water dew point index after timely grasp dehydration, water-content in strict control Sweet natural gas, guarantee that water dew point index meets the defeated requirement of pipe completely, and then ensure the handling capacity of gas transmission line, and the life-span of gas transmission line.Further the input terminus of the data output end of water dew point detecting unit with the treater of described dispersing control system is connected, by DCS system, water dew point is detected data upload to central station of floating dock, can observe water dew point index in real time and monitor.
Further, set up a LED display, the fixed position of LED display is flexible, can fix according to the position of on-site supervision personnel, and more convenient monitor staff observes the water dew point situation of the Sweet natural gas that dehydration exports at any time, and Timeliness coverage problem is also dealt with problems.Further, set up warning, when monitor staff not at the scene, alarm bell can be sent in time and notify that monitor staff adjusts dewatering system in time.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of skid Sweet natural gas TEG dehydration device of the present utility model;
Fig. 2 is the structural representation of a kind of skid Sweet natural gas TEG dehydration device of the present utility model.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
According to Fig. 1, a kind of skid Sweet natural gas TEG dehydration device of the present embodiment 1 is described, comprise dehydration absorption tower 1, sampling system 6, dry gas purification separator 7 and water dew point detecting unit 2, the detection entrance that described water dew point detects list 2 is fixedly connected on the clean gas outlet conduit 11 on described dehydration absorption tower 1, for detecting the water dew point of Sweet natural gas in real time by described sampling system 6.Particularly, described water dew point detecting unit 2 adopts water dew point detector.Can detect the water dew point of the clean gas after the processed of dehydration absorption tower 1 flowing through clean gas outlet conduit 11 in real time, the water dew point realizing the Sweet natural gas after to processed carries out Real-Time Monitoring.Particularly, described sampling system 6 adopts existing automatic sampling valve.
After all carrying out manipulation of regeneration for the triethylene glycol. solution adopted in dehydration absorption tower, reenter in dehydration absorption tower and utilize.Therefore, Gas Dehydration System of the present utility model also comprises triglycol regeneration unit 5.Particularly, described triglycol regeneration unit 5 comprises flash tank 51, strainer 52, interchanger 53, regenerator column 54, reboiler 55, surge tank 57 and recycle pump 56; The top entry of described flash tank 52 exports with the rich bottoms liquid on described dehydration absorption tower 1 and is connected, and outlet at bottom is connected with strainer 52 entrance; The low-temperature inlet of described interchanger 53 is connected with the outlet of described strainer 52, and hot outlet is connected with the top entry of described regenerator column 54; The entrance of described reboiler 55 is connected with the outlet at bottom of described regenerator column 54, and outlet is connected with the entrance of described surge tank 57; The high temperature inlet of described interchanger 52 is connected with the outlet of described surge tank 57, and low-temperature outlet is connected with the entrance of described recycle pump 56; The outlet of described recycle pump 56 is connected with the top solution inlet on described dehydration absorption tower 1.
Embodiment 2
The present embodiment 2 is on the basis of a kind of skid Sweet natural gas TEG dehydration device that embodiment 1 is recorded, the technical scheme optimized further, as shown in Figure 2.Also comprise LED display 3.Described LED display 3 is connected with described water dew point detector 2, for showing detection data in real time.The fixed position of described LED display 3 can be determined according to on-site actual situations, is fixed on the place that on-site supervision personnel easily observe, such as, in central station of floating dock, can observe the water dew point situation of the Sweet natural gas that dehydration exports at any time.
Embodiment 3
The present embodiment 3 is on the basis of a kind of skid Sweet natural gas TEG dehydration device that embodiment 1 or embodiment 2 are recorded, the technical scheme optimized further, as shown in Figure 2.Also comprise warning 4, described warning 4 is connected with described water dew point detecting unit 2 (water dew point detector 2), and when water dew point in Sweet natural gas is above standard value, described warning sends chimes of doom.Particularly, described warning 4 comprises controller 41 and warning howler 42, and the input terminus of described controller 41 is connected with described water dew point detector 2, and the output terminal of described controller 41 is connected with the control end of described warning howler 42.When water dew point value inputs in described controller 41 by water dew point detector 2, if when the water dew point input value of controller 41 is greater than default standard value, controller 41 sends signal to warning howler 42 in time, controls warning howler 42 and sends chimes of doom.The problem that more vapor content of Timeliness coverage Sweet natural gas is not up to standard, and solve in time.
The water dew point detector 2 adopted in embodiment 1 to embodiment 3 of the present utility model specifically can adopt process analyzer for trace water.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. a skid Sweet natural gas TEG dehydration device, is characterized in that: comprise dehydration absorption tower, dry gas purification separator and water dew point detecting unit, the import of described dry gas purification separator is connected with the outlet on described dehydration absorption tower; The detection entrance of described water dew point detecting unit is fixedly connected on the outlet conduit of described dry gas purification separator, for detecting the water dew point of Sweet natural gas in real time.
2. a kind of skid Sweet natural gas TEG dehydration device according to claim 1, is characterized in that: described water dew point detecting unit adopts water dew point detector.
3. a kind of skid Sweet natural gas TEG dehydration device according to claim 1 and 2, is characterized in that: also comprise dispersing control system, i.e. DCS system; The data output end of described water dew point detecting unit is connected with the input terminus of the treater of described dispersing control system; By DCS system, water dew point is detected data upload to central station of floating dock, can observe water dew point index in real time and monitor.
4. a kind of skid Sweet natural gas TEG dehydration device according to claim 1 and 2, it is characterized in that: also comprise sampling system, the detection entrance of described water dew point detecting unit is connected on the outlet conduit of described dry gas purification separator by described sampling system.
5. a kind of skid Sweet natural gas TEG dehydration device according to claim 1 and 2, it is characterized in that: also comprise LED display, described LED display is connected with described water dew point detector, for showing detection data in real time.
6. a kind of skid Sweet natural gas TEG dehydration device according to claim 1 and 2, it is characterized in that: also comprise warning, described warning is connected with described water dew point detecting unit, when water dew point in Sweet natural gas exceed pipe defeated require time, described warning sends chimes of doom.
7. a kind of skid Sweet natural gas TEG dehydration device according to claim 6, it is characterized in that: described warning comprises controller and warning howler, the input terminus of described controller is connected with described water dew point detecting unit, and the output terminal of described controller is connected with the control end of described warning howler.
8. a kind of skid Sweet natural gas TEG dehydration device according to claim 1 and 2, is characterized in that: described Sweet natural gas TEG dehydration device also comprises triglycol regeneration unit.
9. a kind of skid Sweet natural gas TEG dehydration device according to claim 8, is characterized in that: described triglycol regeneration unit comprises flash tank, strainer, interchanger, regenerator column, reboiler and recycle pump; The top entry of described flash tank exports with the rich bottoms liquid on described absorption tower and is connected, and outlet at bottom is connected with filter inlet; The low-temperature inlet of described interchanger is connected with the outlet of described strainer, and hot outlet is connected with the top entry of described regenerator column; The entrance of described reboiler is connected with the outlet at bottom of described regenerator column, and outlet is connected with the high temperature inlet of described interchanger; The entrance of described recycle pump is connected with the low-temperature outlet of described interchanger, and outlet is connected with the top solution inlet on described absorption tower.
10. a kind of skid Sweet natural gas TEG dehydration device according to claim 9, is characterized in that: described processed liquid regeneration unit also comprises surge tank, and described surge tank is arranged between institute's reboiler and interchanger; The entrance of described surge tank is connected with the outlet of described reboiler, and outlet is connected with the high temperature inlet of described interchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181407.9U CN204490835U (en) | 2015-03-27 | 2015-03-27 | A kind of skid Sweet natural gas TEG dehydration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181407.9U CN204490835U (en) | 2015-03-27 | 2015-03-27 | A kind of skid Sweet natural gas TEG dehydration device |
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| CN204490835U true CN204490835U (en) | 2015-07-22 |
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| CN201520181407.9U Expired - Fee Related CN204490835U (en) | 2015-03-27 | 2015-03-27 | A kind of skid Sweet natural gas TEG dehydration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571657A (en) * | 2017-03-07 | 2018-09-25 | 中国石油化工股份有限公司 | The low spot pumping equipment of gas collector and delivery pipe |
| CN108731002A (en) * | 2018-06-08 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of torch assembly with lime set detection unit |
| CN113091817A (en) * | 2021-04-06 | 2021-07-09 | 重庆大学 | Triethylene glycol dewatering device state monitoring and fault diagnosis system |
| CN114791087A (en) * | 2022-05-20 | 2022-07-26 | 大庆高浮科技开发有限公司 | Natural gas pressure regulating system |
-
2015
- 2015-03-27 CN CN201520181407.9U patent/CN204490835U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571657A (en) * | 2017-03-07 | 2018-09-25 | 中国石油化工股份有限公司 | The low spot pumping equipment of gas collector and delivery pipe |
| CN108731002A (en) * | 2018-06-08 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of torch assembly with lime set detection unit |
| CN108731002B (en) * | 2018-06-08 | 2023-11-07 | 西安长庆科技工程有限责任公司 | Torch device with condensate detection unit |
| CN113091817A (en) * | 2021-04-06 | 2021-07-09 | 重庆大学 | Triethylene glycol dewatering device state monitoring and fault diagnosis system |
| CN114791087A (en) * | 2022-05-20 | 2022-07-26 | 大庆高浮科技开发有限公司 | Natural gas pressure regulating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 710000, 1, 1, 7, 10708, 1, green and territorial waters, No. Kam Industrial Road, Xi'an, Shaanxi hi tech Development Zone Patentee after: SHAANXI DINGJI ENERGY TECHNOLOGY CO.,LTD. Address before: 710016, No. 1, unit 9, building 701, Yuan Yuan court, Yongxin Road, Lianhu District, Xi'an, Shaanxi Patentee before: Jiang Ze |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |