CN106975242A - A kind of molecular screen membrane dehydration device - Google Patents
A kind of molecular screen membrane dehydration device Download PDFInfo
- Publication number
- CN106975242A CN106975242A CN201710255693.2A CN201710255693A CN106975242A CN 106975242 A CN106975242 A CN 106975242A CN 201710255693 A CN201710255693 A CN 201710255693A CN 106975242 A CN106975242 A CN 106975242A
- Authority
- CN
- China
- Prior art keywords
- tube
- dehydration device
- tube sheet
- membrane
- ethanol
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 44
- 230000018044 dehydration Effects 0.000 title claims abstract description 36
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 18
- 239000002808 molecular sieve Substances 0.000 description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of molecular screen membrane dehydration device, including dehydration device housing and the membrane tube being arranged in dehydration device housing, the dehydration device housing is provided with coarse ethanol steam inlet to be separated, alcohol vapour is exported, steam outlet, low-voltage temperature-keeping steam inlet, low-voltage temperature-keeping steam condensate outlet, pouring mouth is led in ethanol side and pouring mouth is led in water side, wherein, lead pouring mouth and be provided with outlet pipe in the ethanol side, a steam trap is connected by branch pipe(tube) on outlet pipe, largely separated ethanol solution return system circulation not successfully at driving initial stage, reduce the corrosion of membrane tube sealing surface, significantly reduce the loss late of ethanol, improve efficiency, energy-conserving and environment-protective, improve service life, it ensure that product quality.
Description
Technical field
The present invention relates to a kind of dehydration device, more particularly to a kind of molecular sieve for being used to prepare ethanol dehydration absolute ethyl alcohol
Film dehydration device.
Background technology
Tradition is to ethanol dehydration by the way of rectifying or molecular sieve adsorption, and rectification process energy consumption is higher, if processing
Amount is larger, and cost is higher；Molecular sieve adsorption technique, due to limited sorption capacity, the yield for often leading to absolute ethyl alcohol is relatively low, energy
Consumption is higher, meanwhile, when using molecular sieve adsorption technique, membrane separation device bottom easily produces hydrops, can corrosive film end socket, drop
Low service life, influences product quality.
The content of the invention
The present invention proposes a kind of molecular screen membrane dehydration device regarding to the issue above, significantly reduces the loss late of ethanol,
Efficiency is improved, energy-conserving and environment-protective improve service life, it is ensured that product quality.
Specific technical scheme is as follows：
A kind of molecular screen membrane dehydration device, including dehydration device housing and the membrane tube being arranged in dehydration device housing, institute
Dehydration device housing is stated provided with coarse ethanol steam inlet to be separated, alcohol vapour outlet, steam outlet, low-voltage temperature-keeping steam
Entrance, low-voltage temperature-keeping steam condensate outlet, ethanol side lead pouring mouth and pouring mouth is led in water side, wherein, the ethanol side is led on pouring mouth
Provided with outlet pipe, a steam trap is connected by branch pipe(tube) on outlet pipe.
A kind of above-mentioned molecular screen membrane dehydration device, wherein, the membrane tube is made up using molecular screen membrane of material, and membrane tube passes through pipe
Panel tubular type is distributed in dehydration device housing.
A kind of above-mentioned molecular screen membrane dehydration device, wherein, the membrane tube outer cladding sets a sleeve pipe, sleeve pipe and membrane tube
Axiality≤0.5mm.
A kind of above-mentioned molecular screen membrane dehydration device, wherein, the tube sheet include set from top to bottom the first tube sheet, second
Tube sheet, the 3rd tube sheet and the 4th tube sheet, the two ends of sleeve pipe are separately fixed on the second tube sheet and the 3rd tube sheet, and membrane tube passes through set
Manage, and the two ends of membrane tube are separately fixed on the first tube sheet and the 4th tube sheet.
A kind of above-mentioned molecular screen membrane dehydration device, wherein, the first baffling is provided between second tube sheet and the 3rd tube sheet
Plate and the second deflection plate, the first deflection plate and the second deflection plate are fixed on below the second tube sheet by distance plate respectively.
Beneficial effects of the present invention are：
The present invention is used to ethanol be dehydrated to obtain absolute ethyl alcohol, can be drawn by vapor permeability test result, nothing
Water-ethanol product can reach that dehydration is required in the very first time, i.e. alcohol product water content<0.5wt%；Determining alcohol exists in penetrant
The very first time just can reach more than 96%, and, Ethanol loss rate is less than 0.5%；At the same time, the setting of steam trap can be effective
The hydrops of drainage membrane separation device bottom, prevents from causing device corrosion, improves efficiency, energy-conserving and environment-protective improve and use the longevity
Life, it is ensured that product quality.
Brief description of the drawings
Fig. 1 is sectional view of the present invention.
Fig. 2 is A portions of the present invention enlarged drawing.
Embodiment
To make technical scheme become apparent from clearly, the present invention is described further below in conjunction with the accompanying drawings,
It is any that guarantor of the present invention is each fallen within to the scheme that the technical characteristic progress equivalencing of technical solution of the present invention and conventional reasoning are drawn
Protect scope.
Reference
Dehydration device housing 1, membrane tube 2, coarse ethanol steam inlet 3 to be separated, alcohol vapour outlet 4, steam outlet 5,
Low-voltage temperature-keeping steam inlet 6, low-voltage temperature-keeping steam condensate outlet 7, ethanol side lead pouring mouth 8, water side lead pouring mouth 9, outlet pipe 10,
Steam trap 11, sleeve pipe 12, the first tube sheet 13, the second tube sheet 14, the 3rd tube sheet 15, the 4th tube sheet 16, the first deflection plate 17, second
Deflection plate 18, distance plate 19.
A kind of molecular screen membrane dehydration device as shown in the figure, including dehydration device housing 1 and be arranged in dehydration device housing
Membrane tube 2, the dehydration device housing provided with coarse ethanol steam inlet 3 to be separated, alcohol vapour outlet 4, steam outlet
5th, low-voltage temperature-keeping steam inlet 6, low-voltage temperature-keeping steam condensate outlet 7, ethanol side lead pouring mouth 8 and pouring mouth 9 is led in water side, wherein,
Lead pouring mouth and be provided with outlet pipe 10, outlet pipe by branch pipe(tube) one steam trap 11 of connection in the ethanol side；The membrane tube with
Molecular screen membrane is made up of material, and membrane tube is distributed in dehydration device housing by tube sheet shell and tube；The membrane tube outsourcing is covered
Put a sleeve pipe 12, the axiality of sleeve pipe and membrane tube≤0.5mm；The tube sheet includes the first tube sheet set from top to bottom
13rd, the second tube sheet 14, the 3rd tube sheet 15 and the 4th tube sheet 16, the two ends of sleeve pipe are separately fixed at the second tube sheet and the 3rd tube sheet
On, membrane tube passes through sleeve pipe, and the two ends of membrane tube are separately fixed on the first tube sheet and the 4th tube sheet, second tube sheet and the 3rd
The first deflection plate 17 and the second deflection plate 18 are provided between tube sheet, the first deflection plate and the second deflection plate pass through the first spacing respectively
Plate and the second distance plate 19 are fixed on below the second tube sheet, and the first deflection plate and the second deflection plate cooperate, by the second tube sheet
And the 3rd flow path between tube sheet is separated into s shapes path, dehydrating effect is improved.
Claims (5)
1. a kind of molecular screen membrane dehydration device, it is characterized in that, including dehydration device housing and be arranged in dehydration device housing
Membrane tube, the dehydration device housing is provided with coarse ethanol steam inlet to be separated, alcohol vapour outlet, steam outlet, low pressure
It is incubated steam inlet, low-voltage temperature-keeping steam condensate outlet, ethanol side leads pouring mouth and pouring mouth is led in water side, wherein, the ethanol side
Pouring mouth is led to be provided with outlet pipe, outlet pipe by branch pipe(tube) one steam trap of connection.
2. a kind of molecular screen membrane dehydration device as claimed in claim 1, it is characterized in that, the membrane tube is using molecular screen membrane as material
It is made, membrane tube is distributed in dehydration device housing by tube sheet shell and tube.
3. a kind of molecular screen membrane dehydration device as claimed in claim 2, it is characterized in that, the membrane tube outer cladding sets a set
Pipe, the axiality of sleeve pipe and membrane tube≤0.5mm.
4. a kind of molecular screen membrane dehydration device as claimed in claim 3, it is characterized in that, the tube sheet includes setting from top to bottom
The first tube sheet, the second tube sheet, the 3rd tube sheet and the 4th tube sheet, the two ends of sleeve pipe are separately fixed at the second tube sheet and the 3rd tube sheet
On, membrane tube passes through sleeve pipe, and the two ends of membrane tube are separately fixed on the first tube sheet and the 4th tube sheet.
5. a kind of molecular screen membrane dehydration device as claimed in claim 4, it is characterized in that, second tube sheet and the 3rd tube sheet it
Between be provided with the first deflection plate and the second deflection plate, the first deflection plate and the second deflection plate are fixed by the first distance plate and second respectively
It is fixed on away from plate below the second tube sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255693.2A CN106975242A (en) | 2017-04-19 | 2017-04-19 | A kind of molecular screen membrane dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255693.2A CN106975242A (en) | 2017-04-19 | 2017-04-19 | A kind of molecular screen membrane dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106975242A true CN106975242A (en) | 2017-07-25 |
Family
ID=59344895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710255693.2A Pending CN106975242A (en) | 2017-04-19 | 2017-04-19 | A kind of molecular screen membrane dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106975242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956852A (en) * | 2018-12-20 | 2019-07-02 | 湖南东搏科技有限公司 | The method of energy-efficient preparing benzenediol from hydroxylating phenol |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291958Y (en) * | 1997-03-07 | 1998-09-23 | 衡阳三化实业股份有限公司 | Molecular sieve water separation tower |
| CN1205240A (en) * | 1997-04-29 | 1999-01-20 | 普拉塞尔技术有限公司 | Solid electrolyte ionic conductor reactor disign |
| CN101396640A (en) * | 2007-09-24 | 2009-04-01 | 中国科学院大连化学物理研究所 | Constant temperature diaphragm component |
| US20090084725A1 (en) * | 2007-10-01 | 2009-04-02 | Uop, Llc | Permeate adapter for multi-tube pressure vessel |
| CN102512962A (en) * | 2011-12-23 | 2012-06-27 | 南京九思高科技有限公司 | Multi-tube pass inorganic separating membrane module |
| JP2015208714A (en) * | 2014-04-25 | 2015-11-24 | 日立造船株式会社 | Separation membrane module |
| CN206700841U (en) * | 2017-04-19 | 2017-12-05 | 江苏索普工程科技有限公司 | A kind of molecular screen membrane dehydration device |
-
2017
- 2017-04-19 CN CN201710255693.2A patent/CN106975242A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291958Y (en) * | 1997-03-07 | 1998-09-23 | 衡阳三化实业股份有限公司 | Molecular sieve water separation tower |
| CN1205240A (en) * | 1997-04-29 | 1999-01-20 | 普拉塞尔技术有限公司 | Solid electrolyte ionic conductor reactor disign |
| CN101396640A (en) * | 2007-09-24 | 2009-04-01 | 中国科学院大连化学物理研究所 | Constant temperature diaphragm component |
| US20090084725A1 (en) * | 2007-10-01 | 2009-04-02 | Uop, Llc | Permeate adapter for multi-tube pressure vessel |
| CN102512962A (en) * | 2011-12-23 | 2012-06-27 | 南京九思高科技有限公司 | Multi-tube pass inorganic separating membrane module |
| JP2015208714A (en) * | 2014-04-25 | 2015-11-24 | 日立造船株式会社 | Separation membrane module |
| CN206700841U (en) * | 2017-04-19 | 2017-12-05 | 江苏索普工程科技有限公司 | A kind of molecular screen membrane dehydration device |
Non-Patent Citations (1)
| Title |
|---|
| 张立新: "《管工操作技能 初、中级》", 31 January 2011, 金盾出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956852A (en) * | 2018-12-20 | 2019-07-02 | 湖南东搏科技有限公司 | The method of energy-efficient preparing benzenediol from hydroxylating phenol |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200106 Address after: No. 101, Jingkou Road, Zhenjiang, Jiangsu, Jiangsu Applicant after: JIANGSU SOPO ENGINEERING TECHNOLOGY CO.,LTD. Applicant after: JIANGSU SOPO CHEMICAL Co.,Ltd. Address before: 212006 Long Gang (acetic acid plant), Zhenjiang, Jiangsu, Dantu Province Applicant before: JIANGSU SOPO ENGINEERING TECHNOLOGY CO.,LTD. Applicant before: JIANGSU SOPO (Group) Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |
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| RJ01 | Rejection of invention patent application after publication |