CN208485823U - A kind of combination unit for realizing azeotropic rectifying continuous operation - Google Patents
A kind of combination unit for realizing azeotropic rectifying continuous operation Download PDFInfo
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- CN208485823U CN208485823U CN201820794443.6U CN201820794443U CN208485823U CN 208485823 U CN208485823 U CN 208485823U CN 201820794443 U CN201820794443 U CN 201820794443U CN 208485823 U CN208485823 U CN 208485823U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000004519 grease Substances 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000010533 azeotropic distillation Methods 0.000 abstract 1
- 229960004592 isopropanol Drugs 0.000 description 27
- 239000012071 phase Substances 0.000 description 19
- 239000000243 solution Substances 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- -1 isopropyl fatty acid ester Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005501 phase interface Effects 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- IJMWOMHMDSDKGK-UHFFFAOYSA-N Isopropyl propionate Chemical compound CCC(=O)OC(C)C IJMWOMHMDSDKGK-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- YPWFISCTZQNZAU-UHFFFAOYSA-N Thiane Chemical compound C1CCSCC1 YPWFISCTZQNZAU-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019636 bitter flavor Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- YKWNUSJLICDQEO-UHFFFAOYSA-N ethoxyethane;propan-2-ol Chemical compound CC(C)O.CCOCC YKWNUSJLICDQEO-UHFFFAOYSA-N 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- ULYZAYCEDJDHCC-UHFFFAOYSA-N isopropyl chloride Chemical compound CC(C)Cl ULYZAYCEDJDHCC-UHFFFAOYSA-N 0.000 description 1
- GAPFWGOSHOCNBM-UHFFFAOYSA-N isopropyl nitrate Chemical compound CC(C)O[N+]([O-])=O GAPFWGOSHOCNBM-UHFFFAOYSA-N 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical class CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- SJHCUXCOGGKFAI-UHFFFAOYSA-N tripropan-2-yl phosphite Chemical compound CC(C)OP(OC(C)C)OC(C)C SJHCUXCOGGKFAI-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a kind of combination units for realizing azeotropic rectifying continuous operation, belong to chemical separating equipment and technical field；It includes: rectifying column, rectifying still, grease phase separator, water entrainer dropping tank, condenser, heat exchanger, qualified product storage tank, technical solutions of the utility model solve the problems, such as the continuous operation in azeotropic distillation process, it makes isopropanol rectification yield improve a lot；A kind of combination unit that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model has the characteristics that take up space, and small, operation is convenient, stable.
Description
Technical field
The utility model category chemical industry equipment and technical field, in particular to a kind of realization azeotropic rectifying continuous operation
Combination unit.
Background technique
Isopropanol (iso-Propyl alcohol), abbreviation IPA are a kind of colourless to have overpowering odor under normal temperature and pressure
Flammable liquid, molecular formula: (CH3)2CHOH, molecular weight: 60.06；Isopropanol is simplest secondary alcohol, is one of propyl alcohol isomers；
Isopropanol has the smell of similar ethyl alcohol, acetone mixing, and mildly bitter flavor is inflammable.Can be miscible with water, ethyl alcohol, ether and chloroform, it is insoluble
In salting liquid.Azeotropic mixture (aqueous 12.3%) of isopropanol 87.4%- water 12.6% can be formed with water.
Isopropanol has extensive use as Organic Ingredients and solvent, can produce acetone, hydrogen peroxide, methyl-isobutyl
Ketone, diisobutyl ketone, isopropylamine, isopropyl ether, isopropyl alcohol ether, isopropyl chloride compound and isopropyl fatty acid ester and chloro fat
Isopropyl propionate etc.；In terms of fine chemistry industry, it can be used for producing isopropyl nitrate, proxam, triisopropyl phosphite, three
Aluminium isopropoxide and medicine and pesticide etc.；As solvent, it can be used for producing coating, ink, extractant, aerosol agent etc.；May be used also
As antifreezing agent, detergent, the additive of blended gasoline, the dispersing agent of pigment production, the fixative of printing and dyeing industry, glass and thoroughly
The antifoggant etc. of bright plastics；In electronics industry, can be used as cleaning degreaser.
In chemical industry and medical synthesis process, it is often necessary to which recycling purity from the aqueous solution of isopropanol is 99.5% or more
Isopropanol, and it is 80.3 °C that isopropanol and water, which are capable of forming constant boiling point, under normal pressure, and isopropyl alkoxide component accounts for 87.4%, and water component accounts for
12.6% binary azeotrope；It is to hardly result in height according to conventional distillating method and distillation equipment for such azeotropic mixture
Purity isopropanol.
Isopropanol manufacturing enterprise purifies isopropanol using the parallel method of multitower, and for using the small of isopropanol
Type chemical company generallys use and the water entrainers (entrainer) such as thiacyclohexane, normal hexane, benzene is added into azeotropic system, between then using
Formula of having a rest rectificating method realizes the purification to isopropanol.The obvious shortcoming of intermittent fractionation is that yield is lower, and energy consumption is higher, at day
Reason amount is few.
If design it is a set of it is small-sized, can continuous operation azeotropic rectifying device, be using isopropanol chemical industry, doctor
Medicine synthesizes enterprise's urgent need.
Summary of the invention
Technical solutions of the utility model have designed and produced a kind of realization azeotropic based on the purpose for solving problem above
The combination unit of rectifying continuous operation, which is not only able to achieve the operation of the continuous rectification to isopropanol, but also product yield is high,
Low energy consumption, and day output is high.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in technical solutions of the utility model, it is wrapped
It includes: relay pump, flowmeter, rectifying column, rectifying still, condenser, grease phase separator, anti-U-tube, pressure-equalizing pipe, water entrainer
Dropping tank, qualified product storage tank, which is characterized in that rectifier bottoms are connected with rectifying still, and rectifying column tower body is provided with upper, middle and lower
Three openings, upper opening are water entrainer imports, and split shed is material inlet, and under shed is qualified product outlet, and the top of the distillation column is
Mixed phase outlet, isopropanol head tank are connected by relay pump, flowmeter, heat exchanger with the material inlet of rectifying column, rectifying
The mixed phase of top of tower, which is exported, passes sequentially through first-stage condenser, secondary condenser and grease phase separator along Flow of Goods and Materials direction
It is connected, the oil of grease phase separator, which is mutually exported, is communicated to rectifying column by pipeline, water entrainer surge tank, relay pump, flowmeter
Water entrainer import, water entrainer surge tank are also connected with water entrainer dropping tank, and the water outlet of oil water separator is connected by anti-U-tube
It is connected to the qualified product outlet of total water outlet, rectifying column through over-heat-exchanger with qualified product storage tank, above each component organically combines
A kind of combination unit for realizing azeotropic rectifying continuous operation of the utility model is constituted together.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that rectifying tower height 18-25m, the diameter 1.0-2.0m, in the water entrainer import of tower body and material inlet
It is provided with fluid distributor.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that the oil water separator is connected in series by firsts and seconds 2, and oil water separator intermediate openings are outside
It is connected to secondary condenser, is inwardly connected with fluid distributor, mutually outlet and the second level water-oil separating of the oil of level-one oil water separator
The intermediate openings of device are connected, and mutually outlet is connected the oil of second level oil water separator with water entrainer surge tank.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that the oil water separator diameter is 1.2-1.5m, is highly 2.5-3.0m, is internally provided with sedimentation plate
With wave arrestment plate.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that the tube side of the heat exchanger is connected to isopropanol qualified product pipeline, and shell side is connected to isopropyl raw polyol
Pipeline.Such purpose of design is energy-saving by cold and hot exchange realization.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that be connected to pressure-equalizing pipe at the top of the anti-U-tube.The purpose designed in this way is to break siphon
Phenomenon keeps in oil water separator oil mutually and the stabilization of aqueous phase interface, prevents in grease phase separator material due to siphonage
And it is drained.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that the first-stage condenser and secondary condenser is formed by connecting in a series arrangement, and total heat exchange area is 200-
250m2, the connection of first-stage condenser shell side is recirculated water, and the connection of secondary condenser shell side is 15。C cool brine below.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in technical solutions of the utility model, it is bright
Aobvious beneficial effect is: the operating of 1. single columns, facility compact occupy little space, and gross investment is small；2. rectifier unit can be transported continuously
Row, day output is big, and production efficiency is higher；3. isopropanol purity is up to 99.7% or more；4. isopropanol high income, energy consumption are lower.
Detailed description of the invention
Fig. 1 is a kind of combination unit for realizing azeotropic rectifying continuous operation described in technical solutions of the utility model
Structure and connection effect schematic diagram.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing to the utility model
It is further described.
Referring to Fig.1, a kind of group for realizing azeotropic rectifying continuous operation described in present embodiment embodiment
Attach together and set, it include: rectifying still 01, rectifying column 02, qualified product receiving tank 03, heat exchanger 04, products export 05, water entrainer into
Mouth 06, material inlet 07, mixed phase export 08, first-stage condenser 09, circulating water intake 10, circulating water outlet 11, B-grade condensation
Device 12, cool brine go out 14, level-one oil water separator 15, second level oil water separator 16, mixed phase import 17 into 13, cool brine,
18, separator oil mutually export 19,20, water entrainer dropping tank 21, water entrainer surge tank 22, relay pump 24,26, flowmeter 23,25,
Separator water phase exports 27,28, pressure-equalizing pipe 29, anti-U-tube 30, total water outlet 31, raw material storage tank 32.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in present embodiment embodiment,
It is characterized in that, rectifier bottoms are connected with rectifying still, and rectifying column tower body is provided with the opening of upper, middle and lower three, and upper opening is band water
Agent import, split shed are material inlets, and under shed is qualified product outlet, and the top of the distillation column is mixed phase outlet, isopropyl raw polyol
Tank is connected by relay pump, flowmeter, heat exchanger with the material inlet of rectifying column, the mixed phase at the top of rectifying column export along
Flow of Goods and Materials direction passes sequentially through first-stage condenser, secondary condenser is connected with grease phase separator, the oil of grease phase separator
Mutually outlet is communicated to the water entrainer import of rectifying column, water entrainer buffering by pipeline, water entrainer surge tank, relay pump, flowmeter
Tank is also connected with water entrainer dropping tank, and the water outlet of oil water separator is connected to total water outlet, the conjunction of rectifying column by anti-U-tube
The outlet of lattice product is connected through over-heat-exchanger with qualified product storage tank, and above each component, which organically combines, constitutes the utility model
A kind of combination unit for realizing azeotropic rectifying continuous operation.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in present embodiment embodiment, it
The specific operation method of operation is such that first to insert isopropanol water of the isopropanol content 87.4% or more into rectifying still 01
Solution, starting heating start relay pump 26 when temperature is raised to when technique requires, make water entrainer from water entrainer surge tank 22 through flow
25 control certain flow of meter enters in rectifying column 02 through water entrainer tower entrance 06 again, the isopropanol-water=band formed in rectifying column
Aqua mixed phase enters oil water separator 15 and 16 through tower top mixed phase outlet 08, first-stage condenser 09, secondary condenser 12, cold
Mixed phase after solidifying quick separating, oil in oil water separator 15 and 16 mutually enter in water entrainer surge tank 22, meanwhile, it controls
Certain speed adds to water entrainer in water entrainer surge tank 22 from water entrainer dropping tank 21, and then rectifying column is squeezed into recycling
02；Under water phase enters through total water outlet 31 through the water phase outlet 27 and 28 of oil water separator 15 and 16 through anti-U-tube 30 in an orderly manner
It walks process and carries out harmless treatment；As system initial launch 30min, after sample detection is qualified, relay pump 24 is opened, is made unqualified
Raw material enters rectifying column 02 through heat exchanger 04 and material inlet 05 again by certain flow rate from raw material storage tank 32, through flowmeter 23
In；Qualified isopropanol exports 07 heat exchanger 04 from qualified product and flows into qualified product storage tank 03；In operational process, original is controlled
Hight coordinate between stream speed, water entrainer flow velocity, qualified product flow velocity and water entrainer rate of addition, so can in a steady stream not
Qualified isopropanol is obtained disconnectedly.
As preferably and citing, a kind of azeotropic rectifying continuous operation realized of present embodiment embodiment
Combination unit, which is characterized in that rectifying tower height 18-25m, the diameter 1.0-2.0m, in the upper outlet and middle outlet of tower body
It is provided with fluid distributor.
As preferably and citing, a kind of azeotropic rectifying continuous operation realized of present embodiment embodiment
Combination unit, which is characterized in that the oil water separator is connected in series by 2, and oil water separator intermediate openings connect outward
Secondary condenser, be inwardly connected with fluid distributor, the oil of level-one oil water separator mutually outlet and second oil water separator
Intermediate openings be connected, second level oil water separator oil mutually outlet is connected with water entrainer surge tank.
As preferably and citing, a kind of azeotropic rectifying continuous operation realized of present embodiment embodiment
Combination unit, which is characterized in that the oil water separator diameter is 1.2-1.5m, is highly 2.5-3.0m, is internally provided with
Settle plate and wave arrestment plate.
As preferably and citing, a kind of azeotropic rectifying continuous operation realized of present embodiment embodiment
Combination unit, which is characterized in that the tube side of the qualified product heat exchanger is connected to isopropanol qualified product pipeline, shell side connection
Isopropanol feed conduit.Such purpose of design is energy-saving by cold and hot exchange realization.
Preferably, a kind of group that realizing azeotropic rectifying continuous operation described in technical solutions of the utility model attaches together
It sets, which is characterized in that be connected to pressure-equalizing pipe at the top of the anti-U-tube.The purpose designed in this way is to break siphon
Phenomenon keeps in oil water separator oil mutually and the stabilization of aqueous phase interface, prevents in grease phase separator material due to siphonage
And it is drained.
As preferably and citing, a kind of azeotropic rectifying continuous operation realized of present embodiment embodiment
Combination unit, which is characterized in that the first-stage condenser and condenser is formed by connecting in a series arrangement, and total heat exchange area is
200-250m2, the connection of first-stage condenser shell side is recirculated water, and the connection of secondary condenser shell side is 15。C cold salt below
Water.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in technical solutions of the utility model, it is bright
Aobvious beneficial effect is: the operating of 1. single columns, facility compact occupy little space, and gross investment is small；2. rectifier unit can be transported continuously
Row, day output is big, and production efficiency is higher；3. isopropanol purity is up to 99.7% or more；4. isopropanol high income, energy consumption are lower.
A kind of combination unit for realizing azeotropic rectifying continuous operation described in technical solutions of the utility model, it is also
Have the advantages that equipment installation maintenance difficulty is small, operation is convenient, stable.
The general principles defined herein, can without departing from the spirit or scope of the present utility model,
All within the spirit of the present invention and principle, any modification, equivalent replacement, improvement are realized in other embodiments
Deng should be included within the scope of protection of this utility model.The utility model institute protection scope is to fit to and institute of this paper institute
The consistent widest scope of the principle and features of novelty stated.
Claims (7)
1. a kind of combination unit for realizing azeotropic rectifying continuous operation, it includes: relay pump, flowmeter, rectifying still, essence
Tower, condenser, grease phase separator, pressure-equalizing pipe, water entrainer dropping tank, heat exchanger, qualified product storage tank are evaporated, feature exists
In, rectifier bottoms are connected with rectifying still, and rectifying column tower body is provided with the opening of upper, middle and lower three, upper opening be water entrainer into
Mouthful, split shed is material inlet, and under shed is qualified product outlet, and the top of the distillation column is mixed phase outlet, and isopropanol head tank is logical
It crosses relay pump, flowmeter, heat exchanger to be connected with the material inlet of rectifying column, the mixed phase at the top of rectifying column is exported along material
Flow direction passes sequentially through first-stage condenser, secondary condenser is connected with grease phase separator, and the oil of grease phase separator mutually goes out
Mouth is communicated to the water entrainer import of rectifying column by pipeline, water entrainer surge tank, relay pump, flowmeter, and water entrainer surge tank is also
It is connected with water entrainer dropping tank, the water outlet of oil water separator is connected to total water outlet, the qualified product of rectifying column by anti-U-tube
Outlet is connected through over-heat-exchanger with qualified product storage tank.
2. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 1, which is characterized in that
Rectifying tower height 18-25m, the diameter 1.0-2.0m is provided with fluid point in the water entrainer import of tower body and material inlet
Cloth device.
3. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 1, which is characterized in that
The oil water separator is connected in series by 2, and oil water separator intermediate openings are connected to secondary condenser outward, is inwardly connected
There is fluid distributor, mutually outlet is connected the oil of First oil water separator with the intermediate openings of second oil water separator, and second
Mutually outlet is connected the oil of platform oil water separator with water entrainer surge tank.
4. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 3, which is characterized in that
The oil water separator diameter is 1.2-1.5m, is highly 2.5-3.0m, is internally provided with sedimentation plate and wave arrestment plate.
5. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 1, which is characterized in that
The tube side of the heat exchanger is connected to isopropanol qualified product pipeline, and shell side is connected to isopropanol feed conduit.
6. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 1, which is characterized in that
Pressure-equalizing pipe is connected at the top of the anti-U-tube.
7. a kind of combination unit for realizing azeotropic rectifying continuous operation according to claim 1, which is characterized in that
The first-stage condenser and secondary condenser is formed by connecting in a series arrangement, and total heat exchange area is 200-250m2, level-one condensation
The connection of device shell side is recirculated water, and the connection of secondary condenser shell side is 15 DEG C of cool brines below.
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| CN201820794443.6U CN208485823U (en) | 2018-05-27 | 2018-05-27 | A kind of combination unit for realizing azeotropic rectifying continuous operation |
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| CN201820794443.6U CN208485823U (en) | 2018-05-27 | 2018-05-27 | A kind of combination unit for realizing azeotropic rectifying continuous operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999679A (en) * | 2021-03-12 | 2021-06-22 | 建德建业资源再生技术有限公司 | System and method for recovering isopropanol from waste organic solvent |
| CN113262509A (en) * | 2021-04-30 | 2021-08-17 | 浙江建业化工股份有限公司 | Treatment system and treatment method for isobutanol recovered from diisobutyl preparation process |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999679A (en) * | 2021-03-12 | 2021-06-22 | 建德建业资源再生技术有限公司 | System and method for recovering isopropanol from waste organic solvent |
| CN113262509A (en) * | 2021-04-30 | 2021-08-17 | 浙江建业化工股份有限公司 | Treatment system and treatment method for isobutanol recovered from diisobutyl preparation process |
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Address after: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee after: Xintiandi Pharmaceutical Co.,Ltd. Address before: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee before: HENAN NEWLAND PHARMACEUTICAL Co.,Ltd. |