CN206069799U - A kind of low temperature washing device for methanol - Google Patents
A kind of low temperature washing device for methanol Download PDFInfo
- Publication number
- CN206069799U CN206069799U CN201621088290.0U CN201621088290U CN206069799U CN 206069799 U CN206069799 U CN 206069799U CN 201621088290 U CN201621088290 U CN 201621088290U CN 206069799 U CN206069799 U CN 206069799U
- Authority
- CN
- China
- Prior art keywords
- gas
- tower
- low temperature
- washing device
- methanol
- 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.)
- Expired - Fee Related
Links
Landscapes
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Abstract
This utility model discloses a kind of low temperature washing device for methanol, including prewashing tower, hydrogen sulfide absorption tower, carbon dioxide absorption tower, Gas reclamation tower, first pipeline, second pipe and the 3rd pipeline, the hydrogen sulfide absorption tower includes prewashing section and king-tower, the carbon dioxide absorption tower includes cooling section and fine wash sections, purified gas discharge duct is connected with the top of the fine wash sections, PH testers are provided with the purified gas discharge duct, switch valve and clean gas outlet showering guilding valve, the clean gas outlet showering guilding valve lower end is connected with purified gas introduction pipe line, the purified gas introduction pipe line is connected with Gas reclamation tower bottom, air filter and cooler are provided with first pipeline, conversion gas separating device and chiller are provided with 3rd pipeline；The low temperature washing device for methanol has the advantages that energy saving and gas purification degree are high.
Description
Technical field
This utility model is related to a kind of low temperature washing device for methanol.
Background technology
Low-temp methanol is washed during know-why is the Chemical Manufacture with coal as raw material, containing great quantities of spare in crude synthesis gas
The sour gas such as CO2, a small amount of H2S, COS, these sour gas are unfavorable to production, and sulfide therein can cause downstream
Catalyst poisoning in production, it is necessary to removed and reclaimed.Therefore the technological core that low-temp methanol is washed is exactly sour gas removing skill
Art.In coal chemical technology, low-temp methanol washing process has very important status.The either direct liquefaction of coal, indirect liquefaction,
Or coal gasification is produced in the process unit of chemical products, will have mostly gas purifying technique, and low-temp methanol washing process is undoubtedly
At present most competitive strength, ripe gas purification technique, be widely used in synthesizing both at home and abroad ammonia, synthesizing methanol and its
In the gas cleaning plants such as his oxo process, town gas, industrial hydrogen production and selexol process.Especially to coal（Water-coal-slurry）Or
Slag（Weight）Purification of the oil for waste synthesis gas, it is then better using the method.At home, built with coal, residual oil as raw material
Into Large-scale Ammonia Plant, this technology is also mostly adopted in synthesizing methanol device.In coal chemical industry enterprises, every enterprise will answer
Difference to raw material composition, products scheme and unit scale, matches different low-temp methanol washing process.Low temperature washing device for methanol
It is, with cold methanol as lyosoption, using methanol at low temperature to the great good characteristic of sour gas dissolubility, to remove raw material
The device of the sour gas in gas.
Existing low temperature washing device for methanol haves the shortcomings that production cost is high and gas purification degree is low.
Utility model content
The technical problems to be solved in the utility model is to provide the high low-temp methanol of a kind of energy saving and gas purification degree
Cleaning device.
To solve the above problems, this utility model is adopted the following technical scheme that：
A kind of low temperature washing device for methanol, it is characterised in that：Including prewashing tower, hydrogen sulfide absorption tower, carbon dioxide absorption tower,
Gas reclamation tower, the first pipeline, second pipe and the 3rd pipeline, the hydrogen sulfide absorption tower include prewashing section and king-tower, described
Carbon dioxide absorption tower includes cooling section and fine wash sections, and purified gas discharge duct, the purification are connected with the top of the fine wash sections
PH testers, switch valve and clean gas outlet showering guilding valve, the clean gas outlet showering guilding valve lower end are provided with gas discharge duct
Purified gas introduction pipe line is connected with, the purified gas introduction pipe line is connected with Gas reclamation tower bottom, is set on first pipeline
Air filter and cooler are equipped with, conversion gas separating device and chiller on the 3rd pipeline, is provided with.
Further, it is respectively provided with inside the prewashing tower, hydrogen sulfide absorption tower, carbon dioxide absorption tower and gas regenerator
There is anti-corrosion layer, improve its corrosion resistance, extend its service life.
Further, air drier is provided with the Gas reclamation tower, methanol that can be in dry gas regenerator,
Reduce the water content of methanol, it is to avoid cause the corrosion of device because gas water content is too high.
Further, the purified gas introduction pipe line is provided with Liquid level adjusting valve, can conveniently adjust the height of liquid level.
Further, the Gas reclamation tower bottom is provided with blow-off pipe, can discharge dirty gas.
Further, air relief valve is provided with the purified gas introduction pipe line, gas is carried out by decompression point by air relief valve
Analysis, imports inert gas, and realization carries out air stripping so that Mathanol regenerating.
Further, the air filter is detachable setting, facilitates cleaning and the replacing of air filter.
The beneficial effects of the utility model are：The low temperature washing device for methanol realizes methanol gas by arranging Gas reclamation tower
The regeneration of body, recycles methanol, significantly reduces production cost, reaches the purpose of energy-conserving and environment-protective, by arranging PH tests
Instrument and switch valve, when the pH value for detecting purified gas discharge duct reaches standard, it is possible to which hand control switch valve releases gas
Gas, if the pH value for detecting purified gas discharge duct is not up to standard, is just imported and is purified by body again, by the
Air filter is set on one pipeline, the particulate matter in the middle of raw gas can be effectively filtered out, reach the purpose of preliminary purification,
Also the blocking of pipeline is effectively prevented simultaneously, is provided by cooler, effectively gas can be cooled down, reach low temperature
Really purpose, while being also prevented from causing the damage of device because temperature is too high；By in prewashing tower, hydrogen sulfide absorption tower, dioxy
Change and anti-corrosion layer is provided with inside carbon absorption tower and gas regenerator, improve its corrosion resistance, extend its service life, pass through
Air drier is provided with Gas reclamation tower, methanol that can be in dry gas regenerator reduces the water content of methanol, keeps away
Exempt to cause the corrosion of device because gas water content is too high, by being provided with Liquid level adjusting valve in purified gas introduction pipe line, can be with
Dirty gas, by arranging blow-off pipe, can be discharged, be provided by air relief valve, by air relief valve by the convenient height for adjusting liquid level
Gas is carried out into decompression analysis, inert gas is imported, realization carries out air stripping so that Mathanol regenerating, by by air filter
Detachable setting is set to, facilitates cleaning and the replacing of air filter.
Description of the drawings
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in further detail, wherein：
Fig. 1 is a kind of structural representation of low temperature washing device for methanol of this utility model.Fig. 2 is this utility model prewashing tower
Structural representation.
Specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of low temperature washing device for methanol, including prewashing tower 1, hydrogen sulfide absorption tower 2, carbon dioxide is inhaled
Tower 3, Gas reclamation tower 4, the first pipeline 5, second pipe 6 and the 3rd pipeline 7 are received, the hydrogen sulfide absorption tower 2 includes prewashing section 8
With king-tower 9, the carbon dioxide absorption tower 3 includes cooling section 10 and fine wash sections 11, purification is connected with the top of the fine wash sections 11
Gas discharge duct 12, is provided with PH testers 13, switch valve 14 and clean gas outlet and leads pouring on the purified gas discharge duct 12
Valve 15,15 lower end of clean gas outlet showering guilding valve are connected with purified gas introduction pipe line 16, the purified gas introduction pipe line 16 with
4 bottom of Gas reclamation tower connects, and air filter 17 and cooler 18, the 3rd pipeline 7 are provided with first pipeline 5
On be provided with conversion gas separating device 19 and chiller 20.
The present embodiment has the beneficial effect that：Low temperature washing device for methanol realizes methanol gas by arranging Gas reclamation tower
Regeneration, recycle methanol, significantly reduce production cost, reach the purpose of energy-conserving and environment-protective, by arrange PH testers and
Switch valve, when the pH value for detecting purified gas discharge duct reaches standard, it is possible to which hand control switch valve releases gas, such as
Fruit detect purified gas discharge duct pH value be not up to standard when, just gas is imported again and is purified, by first pipe
Air filter is set on road, the particulate matter in the middle of raw gas can be effectively filtered out, reach the purpose of preliminary purification, while
Also the blocking of pipeline is effectively prevented, cooler is provided by, effectively gas can be cooled down, reach low temperature really
Purpose, while being also prevented from causing the damage of device because temperature is too high.
Embodiment 2
As shown in Figure 1 and Figure 2, a kind of low temperature washing device for methanol, including prewashing tower 1, hydrogen sulfide absorption tower 2, carbon dioxide is inhaled
Tower 3, Gas reclamation tower 4, the first pipeline 5, second pipe 6 and the 3rd pipeline 7 are received, the hydrogen sulfide absorption tower 2 includes prewashing section 8
With king-tower 9, the carbon dioxide absorption tower 3 includes cooling section 10 and fine wash sections 11, purification is connected with the top of the fine wash sections 11
Gas discharge duct 12, is provided with PH testers 13, switch valve 14 and clean gas outlet and leads pouring on the purified gas discharge duct 12
Valve 15,15 lower end of clean gas outlet showering guilding valve are connected with purified gas introduction pipe line 16, the purified gas introduction pipe line 16 with
4 bottom of Gas reclamation tower connects, and air filter 17 and cooler 18, the 3rd pipeline 7 are provided with first pipeline 5
On be provided with conversion gas separating device 19 and chiller 20；The prewashing tower 1, hydrogen sulfide absorption tower 2, carbon dioxide absorption tower 3
With anti-corrosion layer 21 is provided with inside gas regenerator 4, improve its corrosion resistance, extend its service life, the gas is again
Air drier 22 is provided with raw tower 4, methanol that can be in dry gas regenerator reduces the water content of methanol, it is to avoid because
Gas water content is too high and causes the corrosion of device, and the purified gas introduction pipe line 16 is provided with Liquid level adjusting valve 23, Ke Yifang
Just the height of liquid level is adjusted, 4 bottom of Gas reclamation tower is provided with blow-off pipe 24, can discharge dirty gas, the purified gas
Air relief valve 25 is provided with introduction pipe line 16, gas is carried out by decompression analysis by air relief valve 25, import inert gas, realized
Carry out air stripping so that Mathanol regenerating, the air filter 17 is detachable setting, facilitate the cleaning and more of air filter 17
Change.
The present embodiment has the beneficial effect that：Low temperature washing device for methanol realizes methanol gas by arranging Gas reclamation tower
Regeneration, recycle methanol, significantly reduce production cost, reach the purpose of energy-conserving and environment-protective, by arrange PH testers and
Switch valve, when the pH value for detecting purified gas discharge duct reaches standard, it is possible to which hand control switch valve releases gas, such as
Fruit detect purified gas discharge duct pH value be not up to standard when, just gas is imported again and is purified, by first pipe
Air filter is set on road, the particulate matter in the middle of raw gas can be effectively filtered out, reach the purpose of preliminary purification, while
Also the blocking of pipeline is effectively prevented, cooler is provided by, effectively gas can be cooled down, reach low temperature really
Purpose, while being also prevented from causing the damage of device because temperature is too high；By in prewashing tower, hydrogen sulfide absorption tower, carbon dioxide
Anti-corrosion layer is provided with inside absorption tower and gas regenerator, its corrosion resistance is improved, extends its service life, by gas
Air drier is provided with body regenerator, methanol that can be in dry gas regenerator reduces the water content of methanol, it is to avoid because
Gas water content is too high and cause the corrosion of device, by being provided with Liquid level adjusting valve in purified gas introduction pipe line, can conveniently
The height of liquid level is adjusted, by arranging blow-off pipe, dirty gas can be discharged, be provided by air relief valve, by air relief valve by gas
Body carries out decompression analysis, imports inert gas, and realization carries out air stripping so that Mathanol regenerating, by air filter is arranged
For detachable setting, the cleaning of convenient filter and replacing.
For a person skilled in the art, other can be made various corresponding according to above technical scheme and design
Change and deformation, and all these change and deformation should all belong to this utility model scope of the claims it
It is interior.
Claims (7)
1. a kind of low temperature washing device for methanol, it is characterised in that：Including prewashing tower, hydrogen sulfide absorption tower, carbon dioxide absorption tower, gas
Body regenerator, the first pipeline, second pipe and the 3rd pipeline, the hydrogen sulfide absorption tower include prewashing section and king-tower, described two
Carbonoxide absorption tower includes cooling section and fine wash sections, and purified gas discharge duct, the purified gas are connected with the top of the fine wash sections
PH testers, switch valve and clean gas outlet showering guilding valve are provided with discharge duct, the clean gas outlet showering guilding valve lower end connects
Purified gas introduction pipe line is connected to, the purified gas introduction pipe line is connected with Gas reclamation tower bottom, is arranged on first pipeline
There are air filter and cooler, on the 3rd pipeline, be provided with conversion gas separating device and chiller.
2. low temperature washing device for methanol according to claim 1, it is characterised in that：The prewashing tower, hydrogen sulfide absorption tower, two
Anti-corrosion layer is provided with inside carbonoxide absorption tower and gas regenerator.
3. low temperature washing device for methanol according to claim 1, it is characterised in that：Air is provided with the Gas reclamation tower
Exsiccator.
4. low temperature washing device for methanol according to claim 2, it is characterised in that：The purified gas introduction pipe line is provided with liquid
Position regulating valve.
5. low temperature washing device for methanol according to claim 1, it is characterised in that：The Gas reclamation tower bottom is provided with row
Dirty pipe.
6. low temperature washing device for methanol according to claim 1, it is characterised in that：It is provided with the purified gas introduction pipe line
Air relief valve.
7. low temperature washing device for methanol according to claim 1, it is characterised in that：The air filter is detachably to set
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088290.0U CN206069799U (en) | 2016-09-28 | 2016-09-28 | A kind of low temperature washing device for methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088290.0U CN206069799U (en) | 2016-09-28 | 2016-09-28 | A kind of low temperature washing device for methanol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206069799U true CN206069799U (en) | 2017-04-05 |
Family
ID=58439504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088290.0U Expired - Fee Related CN206069799U (en) | 2016-09-28 | 2016-09-28 | A kind of low temperature washing device for methanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206069799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156417A (en) * | 2020-01-08 | 2020-05-15 | 恒力石化（大连）炼化有限公司 | Device for low-temperature methanol washing and using method thereof |
-
2016
- 2016-09-28 CN CN201621088290.0U patent/CN206069799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156417A (en) * | 2020-01-08 | 2020-05-15 | 恒力石化（大连）炼化有限公司 | Device for low-temperature methanol washing and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105219464B (en) | The natural de- sour gas skid-mounted device of qi exhaustion liquid slagging-off and technique | |
| CN219156823U (en) | Low-temperature methanol washing rich liquid flash vapor CO 2 And H 2 S removing device | |
| CN102120120A (en) | Treatment method of carbon black tail gas | |
| CN104803425B (en) | Method for removing hydrogen sulfide from high-sulfur oilfield produced water | |
| CN206069799U (en) | A kind of low temperature washing device for methanol | |
| CN203002168U (en) | Moving bed adsorption tower for exhaust gas purification | |
| CN201150830Y (en) | Water bath spraying duster | |
| CN110228792A (en) | A kind of synthesis gas depth decarburization technique | |
| CN106318475A (en) | Improvement technology of low temperature methanol washing | |
| CN107789969A (en) | The processing method and device of a kind of sour gas | |
| CN103316563A (en) | Desulfurization and purification device for semi-coke tail gas and usage method of same | |
| CN202942783U (en) | Perforated plate opening and closing device of moving bed adsorption tower | |
| CN206184214U (en) | Adsorption equipment is used in ammonia purification | |
| CN210752054U (en) | Gas cooling, desulfurization and pregnant solution regeneration integration device | |
| CN107376618A (en) | A kind of hydrogenation purification method of Sulfur Recovery Unit tail gas | |
| CN101530693B (en) | Method and device for secondarily filtering desulfuration liquid by side stream | |
| CN203569056U (en) | Device for eliminating naphthalene from coke oven gas with washing oil | |
| CN204421679U (en) | A kind of improved energy-saving noise reduction cooling tower systems | |
| CN202410499U (en) | Purification system of high-dust-content supersaturated peculiar smell gases | |
| CN105505464A (en) | A fiber liquid film contactor amine washing desulphurization device and an amine washing desulphurization method | |
| CN206721143U (en) | A kind of parallel low-temp methanol washes the purification separation device of cooled coal gas | |
| CN202289852U (en) | High-dust-concentration supersaturated peculiar smell gas purification system | |
| CN207371187U (en) | A kind of backwash desulfurization lean solution filter | |
| CN204752648U (en) | Oil washing of low order pyrolysis of coal gas purifies oil washing tower | |
| CN206492374U (en) | Fully reclaim the synthesis ammonia decarbonization system of decarbonizing liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170405 Termination date: 20170928 |