CN206308287U - The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene - Google Patents
The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene Download PDFInfo
- Publication number
- CN206308287U CN206308287U CN201621423268.7U CN201621423268U CN206308287U CN 206308287 U CN206308287 U CN 206308287U CN 201621423268 U CN201621423268 U CN 201621423268U CN 206308287 U CN206308287 U CN 206308287U
- Authority
- CN
- China
- Prior art keywords
- mtbe
- isobutene
- connection
- discharge mouthful
- bottom discharge
- 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.)
- Active
Links
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
Abstract
The utility model belongs to chemical production technical field, more particularly to a kind of etherificate ether solution combined unit for producing methyl tertiary butyl ether(MTBE) and high-purity isobutene, catalytic distillation tower bottom discharge mouthful connection MTBE treating column charging apertures, the gaseous phase outlet connection MTBE cracking reactors of MTBE treating columns middle and lower part, MTBE cracking reactors bottom discharge mouthful connection separating methanol tank, separating methanol tank top gaseous phase outlet connection absorption tower bottom, absorption tower bottom discharge mouthful the second methanol distillation column of connection middle part, second methanol distillation column bottom discharge mouthful connection absorption tower top, absorption tower top discharge mouthful connection compressor, compressor discharging opening connection isobutene lightness-removing column middle part, isobutene lightness-removing column top connection light component discharge nozzle, isobutene weight-removing column top connection isobutene discharge nozzle.The utility model had both saved the expense of MTBE coolings, and ether solution unit raw material is eliminated again needs the trouble of heating, reduces investment, reduces energy consumption.
Description
Technical field
The utility model is related to a kind of etherificate ether solution combined unit for producing methyl tertiary butyl ether(MTBE) and high-purity isobutene, belongs to
Chemical production technical field.
Background technology
Methyl tertiary butyl ether(MTBE) (MTBE) is a kind of colourless transparent liquid, nontoxic corrosion-free, with octane number higher, can be with
Reduce the pollution of Extract from Gasoline-fueled Vehicle.Can be excellent oxygen-containing, nothing with preferable chemical stability with very good detonation
The excellent blend component of lead, low aromatic hydrocarbons reformulated gasoline.MTBE is also the important source material for producing isobutene polymer grade.It is additionally operable to first
The production of base methacrylaldehyde and methacrylic acid.
It is water white transparency gas under isobutene normal temperature, can be into transparency liquid after pressurization.It is water insoluble, it is soluble in organic molten
Agent, easily polymerization, easily react with multi-chemical, inflammable, explosive.For synthetic polyisobutylene rubber, butyl rubber, isoamyl
The principal monomer of diene, is also widely used as medicine, agricultural chemicals, antioxidant, synthesis senior lubricant, gasoline additive and other is fine
The raw material of chemical products.
MTBE is usually with methyl alcohol and isobutene as raw material, by acidic catalyst synthesis, wherein catalyst industrially
With the most use is resin catalyst.
The industrial process of isobutene mainly has sulfuric acid absorption method, adsorption method of separation, MTBE cracking process etc..Sulfuric acid absorption
Method is seriously gradually eliminated because of equipment corrosion, and adsorption method of separation is low because of reaction efficiency, using wideless.In the new technology of isobutene production
Middle MTBE cracking process is competitive comparing.And existing MTBE cracking techniques energy consumption is big, part material is wasted, economic benefit has
Wait to improve.
With the increase of the fast-developing and car ownership of China's economic, the domestic demand to MTBE increasingly increases；With
The exploitation of isobutene downstream product, the contradiction of global isobutene inadequate resource.The isobutyl of traditional source
Alkene can not meet demand.Therefore, develop it is a kind of produce MTBE, high-purity isobutene etherificate ether solution combined unit it is particularly important.
Utility model content
The technical problems to be solved in the utility model is：A kind of ether for producing methyl tertiary butyl ether(MTBE) and high-purity isobutene is provided
Change ether solution combined unit, both saved the expense of MTBE coolings, ether solution unit raw material is eliminated again needs the trouble of heating, reduces
Investment, reduces energy consumption.
The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) described in the utility model and high-purity isobutene, including ether
Change unit and ether solution unit, etherificate unit includes material feeding tube, methyltertiarvbutyl ether reactor and catalytic distillation tower, catalytic distillation tower bottom
Discharging opening is respectively communicated with MTBE treating columns charging aperture and MTBE discharge nozzles, the gaseous phase outlet connection MTBE of MTBE treating columns middle and lower part
Cracking reactor, MTBE cracking reactors bottom discharge mouthful connection separating methanol tank, the connection of separating methanol tank top gaseous phase outlet
Absorption tower bottom, absorption tower bottom discharge mouthful the second methanol distillation column of connection middle part, the second methanol distillation column bottom discharge mouthful is even
Logical absorption tower top, absorption tower top discharge mouthful connection compressor, compressor discharging opening connection isobutene lightness-removing column middle part, isobutyl
Alkene lightness-removing column top connection light component discharge nozzle, isobutene lightness-removing column bottom discharge mouthful connection isobutene weight-removing column middle part, isobutyl
Alkene weight-removing column top connection isobutene discharge nozzle；Separating methanol pot bottom discharging opening, the second methanol distillation column top discharge mouthful,
MTBE treating columns top discharge mouthful, MTBE treating columns bottom discharge mouthful and isobutene weight-removing column bottom discharge mouthful are respectively communicated with etherificate
Unit raw material feed pipe.
Described material feeding tube includes methyl alcohol feed pipe and the feed pipe of carbon four, and methyl alcohol feed pipe and the feed pipe of carbon four are distinguished
Connection methyltertiarvbutyl ether reactor its top feed mouthful, methyltertiarvbutyl ether reactor bottom discharge mouthful connection catalytic distillation tower, catalytic distillation top of tower goes out
Material mouth connection methyl alcohol water scrubber bottom, the methyl alcohol washing top of tower discharging opening connection discharge nozzle of carbon four, methyl alcohol washing tower bottom discharging
Mouth the first methanol distillation column of connection middle part, the first methanol distillation column bottom discharge mouthful connection methyl alcohol water scrubber top；First methyl alcohol
Recovery tower top discharge mouthful, separating methanol pot bottom discharging opening and the second methanol distillation column top discharge mouthful are respectively communicated with methyl alcohol and enter
Expects pipe, MTBE treating columns top discharge mouthful, MTBE treating columns bottom discharge mouthful and isobutene weight-removing column bottom discharge mouthful connect respectively
The logical feed pipe of carbon four.
Described methyltertiarvbutyl ether reactor includes the first methyltertiarvbutyl ether reactor and the second methyltertiarvbutyl ether reactor, the first methyltertiarvbutyl ether reactor and the
The charging aperture of two methyltertiarvbutyl ether reactors is connected and is mixed into expects pipe, is mixed into expects pipe and is respectively communicated with methyl alcohol feed pipe and the charging of carbon four
The bottom discharge mouthful of pipe, the first methyltertiarvbutyl ether reactor and the second methyltertiarvbutyl ether reactor connects catalytic distillation tower by connecting tube.
Operation principle：
Carbon four and methyl alcohol outside from battery limit (BL) carry out etherification reaction into the first methyltertiarvbutyl ether reactor and the second methyltertiarvbutyl ether reactor.
Two reactors can be operated in parallel, also can be individually operated.
Reacted material enters catalytic distillation tower to be continued to react.Catalytic distillation tower bottom discharge is product MTBE, wherein
A part is sent to ether solution unit and does raw material, and a part directly goes out battery limit (BL)；Catalytic distillation tower top exit material accesses methyl alcohol washing
Tower bottom, battery limit (BL) is gone out after methyl alcohol water scrubber is the most methanol strippers in material.Methyl alcohol washing tower bottom discharging connects
Enter the middle part of the first methanol distillation column, the top material methyl alcohol of the first methanol distillation column is used as feedstock circulation, the first methyl alcohol
Recovery tower bottoms material water is recycled as extractant into methyl alcohol water scrubber top.
MTBE from etherificate unit is directly entered MTBE treating columns middle part as raw material without cooling.MTBE refines tower top
The light component in portion and the heavy constituent of bottom return to etherificate unit as raw material, and refined MTBE is by MTBE treating columns middle and lower part side
MTBE cracking reactors are delivered in the extraction of line gas phase.MTBE is cracked into isobutene and methyl alcohol, pyrolysis product in MTBE cracking reactors
The pre-separation in methanol feedstock tank, most of methyl alcohol separates return etherificate unit from separating methanol tank and does raw material.Make in pressure difference
Separating methanol tank is left with lower gas phase isobutene to enter from absorption tower bottom, extractant water is accessed from absorption tower top.Gas phase is different
Butylene is produced from absorption tower top, and remaining most of methyl alcohol is sponged by absorption tower.From absorb tower bottom out containing first
Alcohol water enters the second methanol distillation column middle part, will contain methanol-water by the second methanol distillation column and be separated, top discharge methyl alcohol
Return to etherificate unit to be used as feedstock circulation, bottoms material water is recycled as extractant into the absorption tower portion of sucting.
Gas phase isobutene is that liquid enters isobutene lightness-removing column middle part by being changed into after compressor pressurization, and light component is from isobutyl
The extraction of alkene lightness-removing column top, battery limit (BL) is sent out by pipeline, and thick isobutene enters isobutene weight-removing column middle part, and high-purity isobutene is from different
The extraction of butylene weight-removing column top directly goes out battery limit (BL), and heavy constituent returns to etherificate unit and does original from the extraction of isobutene weight-removing column bottom
Material.
The beneficial effects of the utility model are：
1st, raw material is done by the way that the product MTBE for being etherified unit is directly fed into ether solution unit without cooling, i.e., is steamed from catalysis
Evaporate tower bottom of towe and MTBE treating columns are directly accessed by pipeline.Both the expense of MTBE coolings had been saved, ether solution unit had been eliminated again former
Material needs the trouble of heating, reduces investment, reduces energy consumption.
2nd, pyrolysis product gas phase isobutene and Liquid Phase Methanol are first passed through into separating methanol tank carries out pre-separation, isolates big portion
Divide methyl alcohol and return to ether solution unit and do raw material, greatly reduce methanol concentration in pyrolysis product, reduce the ether follow-up work of solution unit
The operating cost of sequence, saves etherificate unit raw material consumption.
3rd, the absorption tower in ether solution unit and cooling tower are merged into an absorption tower, reduce investment, reduce operation
Expense.
4th, the refining methanol tower and methanol distillation column in ether solution unit are merged into a methanol distillation column, reduce throwing
Money, reduces operating cost.
5th, the heavy constituent of the light component and heavy constituent of MTBE treating columns and isobutene weight-removing column returns to etherificate unit as original
Material is used, it is to avoid is arranged outside material, is improve economic benefit.
6th, the methyl alcohol that the second methanol distillation column is reclaimed uses supply etherificate unit as raw material, that is, avoid and arranged outside material,
Consumption of raw materials is reduced again, improves economic benefit.
7th, isobutene lightness-removing column and isobutene weight-removing column reboiler thermal source make full use of the waste heat of combined unit, and heating agent is connection
The steam condensate put is attached together, energy consumption is reduced.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, the first methyltertiarvbutyl ether reactor；2nd, the second methyltertiarvbutyl ether reactor；3rd, catalytic distillation tower；4th, methyl alcohol water scrubber；5th,
One methanol distillation column；6th, MTBE treating columns；7th, MTBE cracking reactors；8th, separating methanol tank；9th, absorption tower；10th, the second methyl alcohol
Recovery tower；11st, compressor；12nd, isobutene lightness-removing column；13rd, isobutene weight-removing column.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 1, the etherificate ether solution joint of production methyl tertiary butyl ether(MTBE) described in the utility model and high-purity isobutene
Device, including etherificate unit and ether solution unit, etherificate unit include material feeding tube, methyltertiarvbutyl ether reactor and catalytic distillation tower 3, urge
Change the bottom discharge of destilling tower 3 mouthful and be respectively communicated with the charging aperture of MTBE treating columns 6 and MTBE discharge nozzles, the middle and lower part of MTBE treating columns 6
Gaseous phase outlet connection MTBE cracking reactors 7, the bottom discharge of MTBE cracking reactors 7 mouthful connection separating methanol tank 8, separating methanol
The bottom of 8 top gas phase outlet absorption tower of tank 9, the middle part of the second methanol distillation column of the bottom discharge of absorption tower 9 mouthful connection 10, second
The bottom discharge of the methanol distillation column 10 mouthful connection top of absorption tower 9, the top discharge of absorption tower 9 mouthful connection compressor 11, compressor 11
The middle part of discharging opening connection isobutene lightness-removing column 12, the top of isobutene lightness-removing column 12 connection light component discharge nozzle, isobutene lightness-removing column
The middle part of 12 bottom discharges mouthful connection isobutene weight-removing column 13, the top of isobutene weight-removing column 13 connection isobutene discharge nozzle；Methyl alcohol point
From the bottom discharge of tank 8 mouthful, the top discharge of the second methanol distillation column 10 mouthful, the top discharge of MTBE treating columns 6 mouthful, MTBE treating columns 6
Bottom discharge mouthful and the bottom discharge of isobutene weight-removing column 13 mouth are respectively communicated with etherificate unit raw material feed pipe.Material feeding tube includes
Methyl alcohol feed pipe and the feed pipe of carbon four, methyl alcohol feed pipe and the feed pipe of carbon four are respectively communicated with methyltertiarvbutyl ether reactor its top feed mouthful, ether
Change reactor bottom discharging opening connection catalytic distillation tower 3, the bottom of the top discharge of catalytic distillation tower 3 mouthful connection methyl alcohol water scrubber 4, first
The top discharge of the alcohol water scrubber 4 mouthful connection discharge nozzle of carbon four, in the bottom discharge of methyl alcohol water scrubber 4 mouthful the first methanol distillation column 5 of connection
Portion, the top of the bottom discharge of the first methanol distillation column 5 mouthful connection methyl alcohol water scrubber 4；The top discharge of first methanol distillation column 5 mouthful, first
The bottom discharge of alcohol knockout drum 8 mouthful and the top discharge of the second methanol distillation column 10 mouthful are respectively communicated with methyl alcohol feed pipe, MTBE treating columns 6
Top discharge mouthful, the bottom discharge of MTBE treating columns 6 mouthful and the bottom discharge of isobutene weight-removing column 13 mouthful are respectively communicated with the feed pipe of carbon four.
Methyltertiarvbutyl ether reactor includes the first methyltertiarvbutyl ether reactor 1 and the second methyltertiarvbutyl ether reactor 2, the first methyltertiarvbutyl ether reactor 1 and the second etherification reaction
The charging aperture of device 2 is connected and is mixed into expects pipe, is mixed into expects pipe and is respectively communicated with methyl alcohol feed pipe and the feed pipe of carbon four, the first etherificate
Reactor 1 connects catalytic distillation tower 3 with the bottom discharge mouthful of the second methyltertiarvbutyl ether reactor 2 by connecting tube.
Operation principle：
Carbon four and methyl alcohol outside from battery limit (BL) carry out being etherified instead into the first methyltertiarvbutyl ether reactor 1 and the second methyltertiarvbutyl ether reactor 2
Should.Two reactors can be operated in parallel, also can be individually operated.
Reacted material enters catalytic distillation tower 3 to be continued to react.The bottom discharge of catalytic distillation tower 3 is product MTBE, its
A middle part is sent to ether solution unit and does raw material, and a part directly goes out battery limit (BL)；The top exit material of catalytic distillation tower 3 accesses methanol-water
The bottom of tower 4 is washed, battery limit (BL) is gone out after methyl alcohol water scrubber 4 is the most methanol strippers in material.The bottom of methyl alcohol water scrubber 4 goes out
Material accesses the middle part of the first methanol distillation column 5, and the top material methyl alcohol of the first methanol distillation column 5 is used as feedstock circulation, the
The bottoms material water of one methanol distillation column 5 is recycled as extractant into the top of methyl alcohol water scrubber 4.
MTBE from etherificate unit is directly entered the middle part of MTBE treating columns 6 as raw material without cooling.MTBE treating columns 6
The light component at top and the heavy constituent of bottom return to etherificate unit as raw material, and refined MTBE is by under in MTBE treating columns 6
MTBE cracking reactors 7 are delivered in portion's side line gas phase extraction.MTBE is cracked into isobutene and methyl alcohol in MTBE cracking reactors 7, splits
Solution product pre-separation in methanol feedstock tank, most of methyl alcohol separates return etherificate unit from separating methanol tank 8 and does raw material.
Gas phase isobutene leaves separating methanol tank 8 and enters from the bottom of absorption tower 9 under differential pressure action, and extractant water connects from the top of absorption tower 9
Enter.Gas phase isobutene sponges remaining most of methyl alcohol from the extraction of the top of absorption tower 9 by absorption tower 9.From the bottom of absorption tower 9
Portion out enter the middle part of the second methanol distillation column 10 containing methanol-water, methanol-water will be contained by the second methanol distillation column 10 and divided
From top discharge methyl alcohol returns to etherificate unit and used as feedstock circulation, and bottoms material water enters absorption tower 9 as extractant
Suct portion's recycling.
Gas phase isobutene is that liquid enters the middle part of isobutene lightness-removing column 12 by being changed into after the pressurization of compressor 11, light component from
The extraction of the top of isobutene lightness-removing column 12, battery limit (BL) is sent out by pipeline, and thick isobutene enters the middle part of isobutene weight-removing column 13, Gao Chunyi
Butylene directly goes out battery limit (BL) from the extraction of the top of isobutene weight-removing column 13, and from the bottom of isobutene weight-removing column 13, extraction returns to ether to heavy constituent
Change unit and do raw material.
Claims (3)
1. a kind of etherificate ether solution combined unit for producing methyl tertiary butyl ether(MTBE) and high-purity isobutene, including etherificate unit and ether solution list
Unit, etherificate unit includes material feeding tube, methyltertiarvbutyl ether reactor and catalytic distillation tower (3), it is characterised in that：Catalytic distillation tower (3)
Bottom discharge mouthful is respectively communicated with MTBE treating columns (6) charging aperture and MTBE discharge nozzles, and the gas phase of MTBE treating columns (6) middle and lower part goes out
Mouth connection MTBE cracking reactors (7), MTBE cracking reactors (7) bottom discharge mouthful connection separating methanol tank (8), separating methanol
Tank (8) top gas phase outlet absorption tower (9) bottom, absorption tower (9) bottom discharge mouthful the second methanol distillation column of connection (10)
Middle part, the second methanol distillation column (10) bottom discharge mouthful connection absorption tower (9) top, absorption tower (9) top discharge mouthful connection pressure
Contracting machine (11), compressor (11) discharging opening connects isobutene lightness-removing column (12) middle part, and the connection of isobutene lightness-removing column (12) top is light
Component discharge nozzle, isobutene lightness-removing column (12) bottom discharge mouthful connection isobutene weight-removing column (13) middle part, isobutene weight-removing column
(13) top connection isobutene discharge nozzle；Separating methanol tank (8) bottom discharge mouthful, the second methanol distillation column (10) top discharge
Mouth, MTBE treating columns (6) top discharge mouthful, MTBE treating columns (6) bottom discharge mouthful and isobutene weight-removing column (13) bottom discharge
Mouth is respectively communicated with etherificate unit raw material feed pipe.
2. the etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) according to claim 1 and high-purity isobutene, it is special
Levy and be：Material feeding tube includes methyl alcohol feed pipe and the feed pipe of carbon four, and methyl alcohol feed pipe and the feed pipe of carbon four are respectively communicated with ether
Change reactor head charging aperture, methyltertiarvbutyl ether reactor bottom discharge mouthful connection catalytic distillation tower (3), catalytic distillation tower (3) top goes out
Material mouth connects methyl alcohol water scrubber (4) bottom, methyl alcohol water scrubber (4) top discharge mouthful connection discharge nozzle of carbon four, methyl alcohol water scrubber (4)
Bottom discharge mouthful the first methanol distillation column of connection (5) middle part, the first methanol distillation column (5) bottom discharge mouthful connection methyl alcohol water scrubber
(4) top；First methanol distillation column (5) top discharge mouthful, separating methanol tank (8) bottom discharge mouthful and the second methanol distillation column
(10) top discharge mouth is respectively communicated with methyl alcohol feed pipe, and MTBE treating columns (6) top discharge mouthful, MTBE treating columns (6) bottom go out
Material mouth and isobutene weight-removing column (13) bottom discharge mouthful are respectively communicated with the feed pipe of carbon four.
3. the etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) according to claim 1 and high-purity isobutene, it is special
Levy and be：Methyltertiarvbutyl ether reactor include the first methyltertiarvbutyl ether reactor (1) and the second methyltertiarvbutyl ether reactor (2), the first methyltertiarvbutyl ether reactor (1) and
The charging aperture of the second methyltertiarvbutyl ether reactor (2) is connected and is mixed into expects pipe, is mixed into expects pipe and is respectively communicated with methyl alcohol feed pipe and carbon four
The bottom discharge mouth of feed pipe, the first methyltertiarvbutyl ether reactor (1) and the second methyltertiarvbutyl ether reactor (2) connects catalysis and steams by connecting tube
Evaporate tower (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423268.7U CN206308287U (en) | 2016-12-23 | 2016-12-23 | The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423268.7U CN206308287U (en) | 2016-12-23 | 2016-12-23 | The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308287U true CN206308287U (en) | 2017-07-07 |
Family
ID=59246311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423268.7U Active CN206308287U (en) | 2016-12-23 | 2016-12-23 | The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382677A (en) * | 2017-07-20 | 2017-11-24 | 山东京博石油化工有限公司 | A kind of method that MTBE devices go into operation |
-
2016
- 2016-12-23 CN CN201621423268.7U patent/CN206308287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382677A (en) * | 2017-07-20 | 2017-11-24 | 山东京博石油化工有限公司 | A kind of method that MTBE devices go into operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101254444B (en) | Catalytic reaction, rectification integrated technique and special-purpose equipment | |
| CN104725203B (en) | Process unit and the method for the synthetic polymethoxy dimethyl ether of a kind of gas formaldehyde and depickling | |
| CN105175211B (en) | Device and method for preparing high-purity isobutene through tert-butyl alcohol dehydration by means of catalytic distillation structured packing | |
| CN105111079A (en) | Method and device for separating acetic acid sec-butyl ester and sec-butyl alcohol | |
| CN105061165A (en) | Reaction apparatus for preparing polyoxymethylene dimethyl ether | |
| WO2022011870A1 (en) | Reaction system and method for coal-to-ethanol | |
| CN110218151A (en) | A kind of device and method that tower reactor Flash Type heat pump reactive distillation prepares propyl propionate | |
| CN110423197B (en) | Device and method for producing ethylene glycol diacetate by using low-concentration ethylene glycol | |
| CN206308287U (en) | The etherificate ether solution combined unit of production methyl tertiary butyl ether(MTBE) and high-purity isobutene | |
| CN108002995A (en) | A kind of method and its equipment of acetone two-step method synthesizing methyl isobutyl ketone | |
| CN106588557B (en) | A kind of method that oil refinery dry gas prepares ethylbenzene | |
| CN110483282B (en) | Device and method for producing high-concentration ethylene glycol diacetate | |
| CN108947774A (en) | A kind of method and device of separating isopropanol | |
| CN104841149B (en) | Device and method for preparing high-purity methyl tertiary butyl ether by using partitioning plate catalytic rectifying tower | |
| CN106588828A (en) | Separation and purification method of THF (tetrahydrofuran) distillation waste liquid | |
| CN210229177U (en) | Methyl formate separation system | |
| CN207552209U (en) | A kind of process unit for producing ethylene glycol mono-tert-butyl ether | |
| CN204714756U (en) | A kind of etherificate catalytic distillation device improving gasoline octane rating | |
| CN206359443U (en) | A kind of methyl tertiary butyl ether(MTBE) mixed solvent separator | |
| CN205740823U (en) | A kind of MTP device | |
| CN204874344U (en) | Preparation gathers reactor of methoxy dimethyl ether | |
| CN106520187B (en) | A kind of light petrol hydrocarbon restructuring etherificate catalytic rectification process and its device | |
| CN213977489U (en) | Glycerol chlorination unit for epoxy chloropropane production device | |
| CN210825997U (en) | Device for producing ethylene glycol diacetate by using low-concentration ethylene glycol | |
| CN212199065U (en) | Separation device for coal-to-ethanol liquid-phase product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |