CN209422991U - A kind of raising separating methanol wash mill - Google Patents
A kind of raising separating methanol wash mill Download PDFInfo
- Publication number
- CN209422991U CN209422991U CN201822172803.1U CN201822172803U CN209422991U CN 209422991 U CN209422991 U CN 209422991U CN 201822172803 U CN201822172803 U CN 201822172803U CN 209422991 U CN209422991 U CN 209422991U
- Authority
- CN
- China
- Prior art keywords
- methanol
- tower
- separator
- connect
- full
- 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
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 282
- 238000011084 recovery Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract description 2
- 238000007086 side reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 36
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The utility model proposes a kind of raising separating methanol wash mills, including the first synthetic tower, the second synthetic tower, tower gas heat exchanger, water cooler, the first methanol separator, full methanol separator, circulation gas separating device, compressor, flash tank, flash steam recovery tower, rectifier unit;Pass through tower gas heat exchanger after first synthetic tower, the second synthetic tower are in parallel, water cooler is connect with the first methanol separator, the outlet side of first methanol separator is connect with full methanol separator, outlet end and flash tank connect, and achieves following technical effect: first is that can increase methanol net value, reduce energy consumption；Second is that the side reaction that methanol recycles generation in system can be reduced, the quality of crude carbinol is improved；It increases production and improves productivity third is that can be realized with effective protection catalyst, is energy-saving；Thoroughly solve existing system for methanol synthesis there are the drawbacks of.
Description
Technical field
The utility model relates to chemical production technical field, especially separating methanol system and device, specially a kind of raising
Separating methanol wash mill.
Background technique
Former first methanol separator separating effect is undesirable, sampled in the case where about 40 DEG C of separation and thickening
The methanol content in synthetic tower inlet tower gas is analyzed 0.8~1.0%, illustrates that methanol content is higher in methanol separator outlet gas phase;
The reason is that the separator now used uses traditional gas-liquid separator, separated space is inadequate, and separating effect is poor, causes for analysis
Methanol separator gas phase entrainment is more serious, and methanol content is high, this leads to the reduction of synthetic tower one-way yield, entire methanol-fueled CLC
System energy consumption is also opposite to be increased.In order to enhance one's market competitiveness, further increase production, lower consumption, tap the latent power, reduce production cost, uses
New process, new equipment are very necessary current separating methanol system is transformed.
By sufficiently investigate determine between former first methanol separator and circulation gas separating device new upper one it is novel, efficient
(yield) methanol separator entirely, newly-increased separator are used in series with former separator, thoroughly solve disadvantage existing for system for methanol synthesis
End, former first methanol separator and complete (yield) methanol separator and with can be by the methanol content in methanol device synthetic cyclic gas
(gaseous state is saturated content, mist content, liquid content) is bordering on 100% recycling and is kept completely separate out, is that it is further industrialized
Technical foundation is provided with industrialization, enlargement.
Utility model content
Technical solution used by the utility model is to design methanol content (gas in line with saving and convenient for the principle of operation
State is saturated content, mist content, liquid content) it is bordering on the separation system device of 100% recycling.
The technical solution of the utility model is achieved in that a kind of raising separating methanol wash mill, including including
One synthetic tower, the second synthetic tower, tower gas heat exchanger, water cooler, the first methanol separator, full methanol separator, circulating air separation
Device, compressor, flash tank, flash steam recovery tower, rectifier unit;Pass through tower after first synthetic tower, the second synthetic tower are in parallel
Gas heat exchanger, water cooler are connect with the first methanol separator, the outlet side of the first methanol separator connect with full methanol separator,
Outlet end is connect with flash tank, and the outlet side of full methanol separator is connect with circulation gas separating device, compressor, full methanol separator
Outlet end connect with flash tank, flash tank is connect with flash steam recovery tower, rectifier unit respectively.
Preferably, first methanol separator includes skirt, end socket, cylinder, thick-walled pipe, wire mesh demister, manhole, institute
State end socket be equipped with lead shower pipe.
Preferably, the full methanol separator includes tank body, is located at the intracorporal silk screen Despumation device of tank, is located at silk screen foam removal
The tray apparatus of device lower end, the gas outlet for being located at top of the tank, the alcohol discharging port for being located at tank base are set in silk screen Despumation device
Riser.
Preferably, the tray apparatus upper and lower side is equipped with downspout.
Preferably, the tank body side is equipped with air inlet, filler, liquidometer.
First methanol separator brief introduction of work principle, gas are entered by thick-walled pipe, complete cooling, gas in the case where leading shower pipe effect
Flow direction is upper to be discharged through wire mesh demister from top gas outlet, the pipeline discharge on crude carbinol self-sealing head.
Full methanol separator brief introduction of work principle, mixed gas (include methanol gas, hydrogen, CO, CO2
, inert gas) by air inlet enter tank body, gas is cooling through tray apparatus and silk screen Despumation device two-stage, from
Gas outlet discharge, liquid methanol are discharged through alcohol discharging port.
The utility model has the following beneficial effects: the utility model device can get off the separating methanol in former separator gas phase, one
It is that can increase methanol net value, reduce energy consumption；Second is that the side reaction that methanol recycles generation in system can be reduced, thick first is improved
The quality of alcohol；It increases production and improves productivity third is that can be realized with effective protection catalyst, is energy-saving；Existing system for methanol synthesis is thoroughly solved to deposit
The drawbacks of.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for improving separating methanol wash mill of the utility model；
Fig. 2 is a kind of the first methanol separator of raising separating methanol wash mill structural schematic diagram of the utility model；
Fig. 3 is a kind of full methanol separator structural schematic diagram of raising separating methanol wash mill of the utility model；
Wherein, 1. first synthetic tower, 2. second synthetic towers, 3. tower gas heat exchangers, 4. water coolers, 5. first methanol
Separator, 6. full methanol separators, 7. circulation gas separating devices, 8. compressors, 9. flash tanks, the recycling of 10. flash steams
Tower, 11. rectifier units, 51. skirts, 52. end sockets, 53. cylinders, 54. thick-walled pipes, 55. wire mesh demisters, 56. people
Hole, 57. lead shower pipe, 61. tank bodies, 62. silk screen Despumation devices, 63. tray apparatus, 64. gas outlets, 65. alcohol discharging ports, and 67.
Riser, 68. downspouts, 69. air inlets, 70. filler, 71. liquidometers.
Specific embodiment
In order to deepen the understanding to the utility model, below in conjunction with example and attached drawing to a kind of raising first of the utility model
Alcohol separating, washing device is described in further detail, which is only used for explaining the utility model, is not constituted to the utility model
The restriction of protection scope.
As shown in Figure 1 to Figure 3, a kind of raising separating methanol wash mill, including the first synthetic tower 1, the second synthetic tower 2,
Tower gas heat exchanger 3, water cooler 4, the first methanol separator 5, full methanol separator 6, circulation gas separating device 7, compressor 8, flash distillation
Tank 9, flash steam recovery tower 10, rectifier unit 11;Pass through tower gas heat exchanger after first synthetic tower 1,2 parallel connection of the second synthetic tower
3, water cooler 4 is connect with the first methanol separator 5, and the outlet side of the first methanol separator 5 connect with full methanol separator 6, goes out
Liquid end is connect with flash tank 9, and the outlet side of full methanol separator 6 is connect with circulation gas separating device 7, compressor 8, full separating methanol
The outlet end of device 6 is connect with flash tank 9, and flash tank 9 is connect with flash steam recovery tower 10, rectifier unit 11 respectively；Described first
Methanol separator 5 includes skirt 51, end socket 52, cylinder 53, thick-walled pipe 54, wire mesh demister 55, manhole 56, on the end socket 52
Equipped with leading shower pipe 57；The full methanol separator 6 includes tank body 61, is located at the intracorporal silk screen Despumation device 62 of tank, is located at silk screen
The tray apparatus 63 of 62 lower end of Despumation device, the gas outlet 64 for being located at 61 top of tank body, the alcohol discharging port 65 for being located at 61 bottom of tank body,
Riser 67 is set in silk screen Despumation device 62；63 upper and lower side of tray apparatus is equipped with downspout 68；On 61 side of tank body
Equipped with air inlet 69, filler 70, liquidometer 71.
In the embodiment illustrated in figs. 1-3, from the thermal response gas that the first synthetic tower 1, the second synthetic tower 2 come out into inlet tower gas
The tube side of heat exchanger 3 and enter tower synthesis gas counterflow heat exchange, is cooled to 100 DEG C or so, some methanol is condensed at this time
Liquid；The gas-liquid mixture further cools down through methanol water cooler 4 again ,≤40 DEG C is cooled to, by gas 99% or more methanol
It condenses out, isolates crude carbinol into the first methanol separator 5, then enter back into full methanol separator 6, further separation follows
Gas-phase methanol in ring gas.The circulating air (methanol content < 0.1% in gas phase) in gas phase after methanol is isolated, pressure is about
7.5MPa, temperature are about 40 DEG C, after circulation gas separating device 7 is further separated out liquid, return to the circulation section of compressor 8, warp
It is recycled after pressurization.The dilute methanol of complete 6 bottom of methanol separator, is decompressed to after 0.4MPa and the first methanol separator 5 separates
Crude carbinol out, the dilute methanol from hydrogen retrieval process enter flash tank 9 together, flash off and are dissolved in crude carbinol most of gas
Then crude carbinol is sent to methanol rectifying system 11 by body；Flashed vapour is sent to hydrogen retrieval process after the washing of flashed vapour recovery tower 10,
It goes to boiler room or sulfur recovery incinerator to do fuel after mixing with impermeable gas, washs methanol through liquid and be sent to methanol rectification process.It dodges
Steaming pot 9 and the control of the pressure of flash steam recovery tower 10 are in 0.35-0.45MPa.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of raising separating methanol wash mill, which is characterized in that including the first synthetic tower (1), the second synthetic tower (2), tower
Gas heat exchanger (3), water cooler (4), the first methanol separator (5), full methanol separator (6), circulation gas separating device (7), compression
Machine (8), flash tank (9), flash steam recovery tower (10), rectifier unit (11);
Pass through tower gas heat exchanger (3), water cooler (4) and the first first after first synthetic tower (1), the second synthetic tower (2) are in parallel
Alcohol separator (5) connection, the outlet side of the first methanol separator (5) connect with full methanol separator (6), outlet end and flash tank
(9) it connects, the outlet side of full methanol separator (6) is connect with circulation gas separating device (7), compressor (8), full methanol separator
(6) outlet end is connect with flash tank (9), and flash tank (9) is connect with flash steam recovery tower (10), rectifier unit (11) respectively.
2. a kind of raising separating methanol wash mill according to claim 1, which is characterized in that first separating methanol
Device (5) includes skirt (51), end socket (52), cylinder (53), thick-walled pipe (54), wire mesh demister (55), manhole (56), the envelope
Head (52) is equipped with and leads shower pipe (57).
3. a kind of raising separating methanol wash mill according to claim 2, which is characterized in that the full methanol separator
(6) include tank body (61), be located at the intracorporal silk screen Despumation device (62) of tank, be located at silk screen Despumation device (62) lower end tower tray dress
Set (63), the gas outlet (64) that is located at the top of tank body (61), the alcohol discharging port (65) for being located at tank body (61) bottom, silk screen Despumation device
(62) riser (67) are set in.
4. a kind of raising separating methanol wash mill according to claim 3, which is characterized in that the tray apparatus (63)
Upper and lower side is equipped with downspout (68).
5. according to a kind of described in any item raising separating methanol wash mills of claim 3 or 4, which is characterized in that the tank
Body (61) side is equipped with air inlet (69), filler (70), liquidometer (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172803.1U CN209422991U (en) | 2018-12-24 | 2018-12-24 | A kind of raising separating methanol wash mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172803.1U CN209422991U (en) | 2018-12-24 | 2018-12-24 | A kind of raising separating methanol wash mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209422991U true CN209422991U (en) | 2019-09-24 |
Family
ID=67973110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822172803.1U Expired - Fee Related CN209422991U (en) | 2018-12-24 | 2018-12-24 | A kind of raising separating methanol wash mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209422991U (en) |
-
2018
- 2018-12-24 CN CN201822172803.1U patent/CN209422991U/en not_active Expired - Fee Related
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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: 20190924 |