CN206355784U - A kind of ethylene glycol mercury removal device - Google Patents
A kind of ethylene glycol mercury removal device Download PDFInfo
- Publication number
- CN206355784U CN206355784U CN201621453975.0U CN201621453975U CN206355784U CN 206355784 U CN206355784 U CN 206355784U CN 201621453975 U CN201621453975 U CN 201621453975U CN 206355784 U CN206355784 U CN 206355784U
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- CN
- China
- Prior art keywords
- pipeline
- tank
- air cooler
- adsorption tank
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- SEWSQQXHQLNDPJ-UHFFFAOYSA-N C(CO)O.[Hg] Chemical compound C(CO)O.[Hg] SEWSQQXHQLNDPJ-UHFFFAOYSA-N 0.000 title abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000001179 sorption measurement Methods 0.000 claims abstract description 53
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims abstract description 11
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 63
- 238000000926 separation method Methods 0.000 claims description 20
- 239000010865 sewage Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 40
- 230000006872 improvement Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model provides a kind of ethylene glycol mercury removal device, including sledge seat and the air cooler being fixed on sledge seat, fixed gas point flow container, fixed gas adsorption tanks, process pipelines and control valve, wherein, admission line is connected with air cooler import, air cooler outlet is connected by point flow container inlet line with the import of fixed gas point flow container, the outlet of fixed gas point flow container is connected by adsorption tanks inlet line with the import of fixed gas adsorption tanks, the outlet of fixed gas adsorption tanks is connected with blow-down pipe, blow-down pipe is communicated with air, and the bottom of fixed gas point flow container is connected with tapping line；Adsorption tanks inlet line is provided with adsorption tanks imported valve, and blow-down pipe is provided with adsorption tanks outlet valve.The utility model device can remove the mercury material that glycol recycling steam contains, and the ethylene glycol after processing is reached discharge standard, to ensure that surrounding environment is not contaminated, personnel are not encroached on, equipment is not damaged.
Description
Technical Field
The utility model belongs to the chemical machinery field, specific ethylene glycol demercuration device that says so.
Background
Ethylene glycol is widely applied to a natural gas treatment process as an antifreezing agent, the ethylene glycol is mainly used in an alcohol injection system and a regeneration system in the natural gas treatment process, partial ethylene glycol steam is directly discharged into the atmosphere through an ethylene glycol regeneration tower in the ethylene glycol regeneration system, and the mercury content of the station-entering raw material gas of a partial gas field is found to be seriously overproof in the process of exploiting natural gas at present. Mercury can permeate into each system in the gathering and transportation treatment process, the high toxicity and the high corrosivity of mercury bring great influence on the health of gas field operation management operators and equipment corrosion, and if mercury-containing glycol steam is discharged into the atmosphere, great harm can be brought to the surrounding environment and field operation and management personnel. Therefore, in order to ensure the physical health of staff and the efficient, economic, environment-friendly and sustainable development of gas fields, the technical problem of removing mercury in glycol needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an ethylene glycol demercuration device, the device can get rid of the mercury material that ethylene glycol regeneration steam contains, makes the ethylene glycol after handling reach emission standard to ensure that the surrounding environment does not receive the pollution, personnel do not receive the infringement, equipment does not receive the damage.
The utility model provides a this scheme of technique that its technical problem adopted is:
an ethylene glycol demercuration device comprising:
an air cooler for cooling the ethylene glycol; the noncondensable gas liquid separation tank is used for carrying out gas-liquid separation on the ethylene glycol; the non-condensable gas adsorption tank is used for adsorbing mercury in the gas glycol; the prying seat is used for fixing the air cooler, the noncondensable gas liquid separation tank and the noncondensable gas adsorption tank; the device comprises an air cooler, an air separator, an adsorption tank, a non-condensable gas adsorption tank, a vent pipeline, a liquid drainage pipeline, a gas inlet pipeline, a liquid separation tank, a gas inlet pipeline, a liquid separation tank inlet pipeline, a non-condensable gas adsorption tank, a vent pipeline and a liquid drainage pipeline, wherein the gas inlet pipeline is connected with an air cooler inlet; be equipped with adsorption tank import valve on the adsorption tank import pipeline, be equipped with adsorption tank outlet valve on the blow-down pipeline.
As an improvement, a check valve is arranged on an inlet pipeline of the adsorption tank.
As an improvement, a bypass pipeline is connected between the adsorption tank inlet pipeline and the emptying pipeline, and a bypass valve is arranged on the bypass pipeline; the inlet of the bypass pipeline is arranged between the inlet valve of the adsorption tank and the check valve, and the outlet of the bypass pipeline is arranged on the downstream pipeline of the outlet valve of the adsorption tank.
As the improvement, fixed mounting has temperature transmitter on the branch fluid reservoir import pipeline for measure the gas temperature T who divides in the fluid reservoir import pipeline, temperature transmitter and air cooler's motor interlocking: when the gas temperature T is higher than or equal to the set temperature T0When the air cooler is started, the motor of the air cooler is started, and the air cooler cools the incoming air; when it is in qiThe body temperature T is lower than the set temperature T0And when the air cooler stops running, the air cooler stops running.
As an improvement, a magnetostrictive liquid level meter is arranged on the tank wall of the non-condensable gas liquid separating tank and used for measuring the liquid level L in the non-condensable gas liquid separating tank, a pneumatic valve is fixedly mounted on a liquid discharge pipeline, the magnetostrictive liquid level meter is interlocked with the pneumatic valve, and when the magnetostrictive liquid level meter reaches a set high liquid level LhighWhen the liquid level meter is lowered to the set low liquid level L, the pneumatic valve is opened to discharge liquidlowAnd when the air-operated valve is closed, the liquid discharge is stopped.
As an improvement, a sewage draining outlet is arranged at the bottom of the non-condensable gas adsorption tank.
The utility model has the advantages that:
1. the treated ethylene glycol regenerated steam meets the requirement of emission standard, thereby solving the pollution to the surrounding environment and reducing the harm to workers;
2. the utility model can realize automatic start and stop of the air cooler and automatic liquid discharge of the non-condensable gas separating tank, and reduces the workload of field workers;
3. the skid-mounted equipment has small occupied area, is convenient for field installation and movement, and greatly reduces the time of production halt caused by equipment installation on the field.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-an air intake line; 2-an air cooler; 3-inlet pipeline of liquid separating tank; 4-a temperature transmitter; 5-noncondensable gas liquid separation tank; 6-check valve; 7-adsorption tank inlet line; 8-noncondensable gas adsorption tank; 9-a blow-down line; 10-a sewage line; 11-a drain line; 12-a pneumatic valve; 13-a magnetostrictive level gauge; 14-canister inlet valve; 15-an outlet valve of the adsorption tank; 16-a bypass line; 17-a bypass valve; 18-sledge base.
Detailed Description
As shown in fig. 1, the glycol demercuration device comprises a skid seat 18, an air cooler 2 fixed on the skid seat, a noncondensable gas liquid separation tank 5, a noncondensable gas adsorption tank 8, a process pipeline and a control valve; wherein: ethylene glycol steam pipeline 1 and 2 access connections of air cooler, the air cooler export through divide liquid jar inlet line 3 and the inlet connection of noncondensable gas branch fluid reservoir 5, the export and the blowdown pipeline 9 of noncondensable gas adsorption tank are connected, and blowdown pipeline 9 communicates with each other with the atmosphere, and the noncondensable gas divides the bottom and the flowing back pipeline 11 of fluid reservoir 5 to be connected, is equipped with adsorption tank inlet valve 14 on the adsorption tank inlet line 7, is equipped with adsorption tank outlet valve 15 on the blowdown pipeline 9.
Ethylene glycol steam enters an air cooler 2 through an air inlet pipeline 1 for cooling, the cooled ethylene glycol steam enters a noncondensable gas separating tank 5 through a separating tank inlet pipeline 3 for gas-liquid separation, and separated liquid is discharged out of the sledge from a liquid discharge pipeline 11 through a liquid discharge port at the bottom of the noncondensable gas separating tank; and opening an adsorption tank inlet valve 14 and an adsorption tank outlet valve 15, enabling the separated gas to enter a non-condensable gas adsorption tank 8 from a liquid separation tank outlet through an adsorption tank inlet pipeline 7 for demercuration, and discharging the treated gas to the atmosphere from an adsorption tank outlet through an emptying pipeline 9.
The following is further optimization or/and improvement of the technical scheme:
the check valve 6 is arranged on the inlet pipeline 7 of the adsorption tank, and can prevent gas from flowing back.
A bypass pipeline 16 is connected between the adsorption tank inlet pipeline 7 and the emptying pipeline 9, and a bypass valve 17 is arranged on the bypass pipeline 16; the bypass line 16 has an inlet provided on the upstream line of the canister inlet valve 14 and an outlet provided on the downstream line of the canister outlet valve 15. When the adsorbent in the non-condensable gas adsorption tank needs to be replaced, the adsorption tank inlet valve 14 and the adsorption tank outlet valve 15 are closed, the bypass valve 17 is opened, and the gas is discharged through the bypass pipeline, so that the adsorbent in the adsorption tank can be replaced.
The inlet pipeline 3 of the liquid separating tank is fixedly provided with a temperature transmitter 4 for measuring the gas temperature T in the inlet pipeline 3 of the liquid separating tank and measuring the motor interlocking of the air cooler 2 and the air cooler 2, and when the gas temperature T is higher than or equal to the set temperature T0When the temperature T of the air is lower than the set temperature T, the air cooler cools the incoming air0In time, the air cooler stops running, T0Is 15-20 ℃.
The tank wall of the noncondensable gas liquid separation tank 5 is provided with a magnetostrictive liquid level meter 13 for measuring the liquid level L in the noncondensable gas liquid separation tank 5, a pneumatic valve 12 is fixedly arranged on a liquid discharge pipeline, the magnetostrictive liquid level meter is interlocked with the pneumatic valve, and when the magnetostrictive liquid level meter reaches a set high liquid level LhighWhen the liquid level meter is lowered to the set low liquid level L, the pneumatic valve is opened to discharge liquidlowAnd when the air-operated valve is closed, the liquid discharge is stopped.
The bottom of the noncondensable gas adsorption tank is provided with a sewage outlet.
Claims (6)
1. An ethylene glycol demercuration device, its characterized in that: comprises that
An air cooler for cooling the ethylene glycol;
the noncondensable gas liquid separation tank is used for carrying out gas-liquid separation on the ethylene glycol;
the non-condensable gas adsorption tank is used for adsorbing mercury in the gas glycol; and
the prying seat is used for fixing the air cooler, the noncondensable gas liquid separation tank and the noncondensable gas adsorption tank; wherein,
the air inlet pipeline is connected with an inlet of the air cooler, an outlet of the air cooler is connected with an inlet of the noncondensable gas liquid separation tank through an inlet pipeline of the liquid separation tank, an outlet of the noncondensable gas liquid separation tank is connected with an inlet of the noncondensable gas adsorption tank through an inlet pipeline of the adsorption tank, an outlet of the noncondensable gas adsorption tank is connected with a vent pipeline, the vent pipeline is communicated with the atmosphere, and the bottom of the noncondensable gas liquid separation tank is connected with a liquid discharge pipeline; be equipped with adsorption tank import valve on the adsorption tank import pipeline, be equipped with adsorption tank outlet valve on the blow-down pipeline.
2. The glycol demercuration device according to claim 1, wherein:
and a check valve is arranged on the inlet pipeline of the adsorption tank.
3. The glycol demercuration device according to claim 2, wherein:
a bypass pipeline is connected between the adsorption tank inlet pipeline and the emptying pipeline, and a bypass valve is arranged on the bypass pipeline; the inlet of the bypass pipeline is arranged between the inlet valve of the adsorption tank and the check valve, and the outlet of the bypass pipeline is arranged on the downstream pipeline of the outlet valve of the adsorption tank.
4. The glycol demercuration device according to claim 1, wherein:
divide liquid tank import pipeline fixed mounting to have temperature transmitter for measure the gas temperature T in the liquid tank import pipeline, temperature transmitter and air cooler's motor interlocking: when the gas temperature T is higher than or equal to the set temperature T0When the air cooler is started, the motor of the air cooler is started, and the air cooler cools the incoming air; when the gas temperature T is lower than the set temperature T0And when the air cooler stops running, the air cooler stops running.
5. The glycol demercuration device according to claim 1, wherein:
the tank wall of the noncondensable gas liquid separation tank is provided with a magnetostrictive liquid level meter for measuring the liquid level L in the noncondensable gas liquid separation tank, a pneumatic valve is fixedly arranged on a liquid discharge pipeline, and the magnetostrictive liquid level meter and the pneumatic valveInterlocked, when the magnetostrictive level gauge reaches the set high level LhighWhen the liquid level meter is lowered to the set low liquid level L, the pneumatic valve is opened to discharge liquidlowAnd when the air-operated valve is closed, the liquid discharge is stopped.
6. The glycol demercuration device according to claim 1, wherein:
and a sewage discharge outlet is formed in the bottom of the non-condensable gas adsorption tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453975.0U CN206355784U (en) | 2016-12-28 | 2016-12-28 | A kind of ethylene glycol mercury removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453975.0U CN206355784U (en) | 2016-12-28 | 2016-12-28 | A kind of ethylene glycol mercury removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355784U true CN206355784U (en) | 2017-07-28 |
Family
ID=59376392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453975.0U Active CN206355784U (en) | 2016-12-28 | 2016-12-28 | A kind of ethylene glycol mercury removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728196A (en) * | 2018-07-20 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of associated gas liquid separation metering integrated integrating device and its application process |
| CN109486541A (en) * | 2018-11-30 | 2019-03-19 | 东南大学 | Removing means, method and the application of mercury in a kind of gas dehydration alcohols solvent |
-
2016
- 2016-12-28 CN CN201621453975.0U patent/CN206355784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728196A (en) * | 2018-07-20 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of associated gas liquid separation metering integrated integrating device and its application process |
| CN109486541A (en) * | 2018-11-30 | 2019-03-19 | 东南大学 | Removing means, method and the application of mercury in a kind of gas dehydration alcohols solvent |
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