CN202898272U - Device for purifying propyl alcohol - Google Patents
Device for purifying propyl alcohol Download PDFInfo
- Publication number
- CN202898272U CN202898272U CN 201220556976 CN201220556976U CN202898272U CN 202898272 U CN202898272 U CN 202898272U CN 201220556976 CN201220556976 CN 201220556976 CN 201220556976 U CN201220556976 U CN 201220556976U CN 202898272 U CN202898272 U CN 202898272U
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- Prior art keywords
- propyl alcohol
- vacuum pump
- membrane module
- condenser
- membrane
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Abstract
The utility model discloses a device for purifying propyl alcohol. The device for purifying propyl alcohol comprises a feeding tank, a centrifugal pump, a pre-heater, a membrane assembly, a vacuum pump, a condenser, a penetrating fluid storage tank and a finished product tank, wherein the feeding tank is connected with the centrifugal pump through a piping pipeline; the centrifugal pump is connected with the pre-heater; the pre-heater is connected with the membrane assembly; the osmosis side of the membrane assembly is connected with the vacuum pump; the vacuum pump forms pressure drop on the osmosis side of the membrane assembly, so that water gas passes through an osmotic membrane; the vacuum pump is connected with the penetrating fluid storage tank, so that molecules passing through the osmotic membrane are pumped to the penetrating fluid storage tank for collection and storage; the product outlet of the membrane assembly is connected with the condenser and the finished product tank; and propyl alcohol vapor not passing through the osmotic membrane enters the finished product tank after being cooled into a liquid phase through the condenser. The device for purifying propyl alcohol can save energy consumption and can be used for effectively controlling dewatering time, pressure and temperature conditions to obtain a purified propyl alcohol product with certain water content.
Description
Technical field
The utility model relates to the retrieving arrangement of by product in a kind of industrial production, relates in particular to a kind of device of the propyl alcohol of purifying.
Background technology
At present, organism such as Alcohol-water separation technique are the focuses of studying now, and the method for purifying and separating that effectively dewaters can effectively improve the industrial raw material utilization ratio of alcohol.Separating the main processing method of alcohol-water in the industrial production has rectification method and membrane separation process, and wherein rectification process generally comprises azeotropic distillation, bulkhead azeotropy rectifying, extracting rectifying, extractive distillation with salt, batch extracting rectified and absorption distillation technique; Membrane separation process generally comprises membrane distillation, membrane permeation vaporization and membrane contactor method.Rectification method is the principle that balances each other according to organism and water, utilizes rectifying tower separation of organic substances and water; Extraction fractional distillation is according to compound solubleness or the different principle of partition ratio in two kinds of objectionable interminglings or sl. sol. solvent, transfers to compound in another solvent from a kind of solvent; The absorption distillation method is the recombination process in conjunction with fractionation by adsorption and distillation.Osmotic, evaporating and dewatering is used in industrial production in recent years in the membrane separation process, the membrane permeation gasification is the dehydrated film that utilizes parcel wetting ability zeolite on the ceramic support pipe, by pressurization primary side (stoste supply side) and negative pressure secondary side (per-meate side of water), make water molecules be penetrated into selectively film inside, carry out the dehydration of stoste side and concentrated novel process.These methods all have been existing technology, and application is arranged when separating isopropanol-water.
The shortcoming that these processing methodes exist is: the range of application of rectification method has larger advantage when being intended to separate the mixture of azeotropic not, and the cost of rectifying tower is higher, and equipment is comparatively complicated, and energy consumption is higher in the process of rectifying heating; And that extraction fractional distillation choosing requires for the character of extraction agent is stricter, not only has the third impurity to sneak into, and will just can reach through multistage rectification or multi-stage solvent extraction the purpose of purification.The osmotic, evaporating and dewatering technology should be at methyl alcohol, ethanol, isopropanol-water separating-purifying etc. has been used widely, according to extracting organic character, select suitable permeable membrane effectively to dewater, and the good equipment of membrane stability is simple, separates and the purification of aqueous amount to be reduced to 0.1% once by dehydration, advantage of method is comparatively obvious in this, but but has not been used for the n-propyl alcohol dehydration.
The utility model content
Goal of the invention: the purpose of this utility model is for the deficiencies in the prior art, provides that a kind of stability is high, equipment simple, can effectively control the device of the purification propyl alcohol of dewatering time, pressure and temperature.
Technical scheme: the device of purification propyl alcohol described in the utility model, comprise charging stock tank, impeller pump, preheater, membrane module, vacuum pump, condenser, penetrating fluid hold-up vessel and finished pot, described charging stock tank is connected with described impeller pump by the pipe arrangement pipeline, described impeller pump is connected with described preheater, described preheater is connected with described membrane module, the per-meate side of described membrane module is connected with described vacuum pump, form pressure drop promotion steam by permeable membrane by vacuum pump in the per-meate side of membrane module, described vacuum pump is connected with the penetrating fluid storage tank will be evacuated to through the molecule of permeable membrane to collect in the penetrating fluid storage tank to be deposited; The products export of described membrane module is connected with condenser, finished pot, and the propyl alcohol steam that sees through permeable membrane passes through and enters the finished pot storage after condenser is cooled to liquid phase.
During work, the raw material propyl alcohol is delivered to preheater through impeller pump and vaporizes, propyl alcohol after the vaporization is entered by the membrane module opening for feed, open vacuum pump this moment, form negative pressure in per-meate side, gaseous phase materials is in the flow process of membrane module, the less water molecules of molecule infiltrates in by fenestra under the effect of pressure difference, be evacuated in the penetrating fluid storage tank to collect by vacuum pump and deposit, the propyl alcohol steam that water content reduces is exported out by membrane module, is cooled to liquid phase through condenser and enters in the finished pot and store.
In order to control feed pressure, behind described preheater, be provided with the first tensimeter, raw material enters preheater (4) vaporization, and the raw material steam after the vaporization detects the control feed pressure by the first tensimeter.
In membrane module, separate steam and organism, in order to prevent condensation of gas, be provided with heat exchanger in the described membrane module, membrane module is incubated processing.
In order to control product pressure, between described membrane module and condenser, be provided with the second tensimeter.
Beneficial effect: 1, the utility model utilizes the membrane permeation gasification to separate n-propyl alcohol-water, can save the waste of producing n-propyl alcohol by product in the n-propyl acetate process, this device has been saved energy consumption, can effectively control the n-propyl alcohol product that dewatering time, pressure and temperature condition obtain certain water content.2, the utility model device can make the n-propyl alcohol in the waste by-product recycle.3, the utility model device flow process is simple, and equipment cost is lower, and except membrane module, other equipment is more cheap.4, the utility model device is simple to operate, only have the regulation and control of sampling detection and pressure and temp, and penetrating fluid can recycling.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
Embodiment:The device of the utility model purification propyl alcohol, comprise charging stock tank 1, impeller pump 2, preheater 3, membrane module 4, vacuum pump 5, condenser 6, penetrating fluid hold-up vessel 7 and finished pot 8, described charging stock tank 1 is connected with described impeller pump 2 by the pipe arrangement pipeline, described impeller pump 2 is connected with described preheater 3, described preheater 3 is connected with described membrane module 4, the per-meate side of described membrane module 4 is connected with described vacuum pump 5, form pressure drop promotion steam by permeable membrane by vacuum pump 5 in the per-meate side of membrane module 4, described vacuum pump 5 is connected with penetrating fluid storage tank 7 will be evacuated to through the molecule of permeable membrane to collect in the penetrating fluid storage tank 7 to be deposited; The products export of described membrane module 4 is connected with condenser 6, finished pot 8, and the propyl alcohol steam that sees through permeable membrane passes through and enters finished pot 8 storages after condenser 6 is cooled to liquid phase.Be provided with the first tensimeter 9 behind the described preheater 3.Be provided with heat exchanger in the described membrane module.Be provided with the second tensimeter 10 between described membrane module 4 and the condenser 6.
Inject stock liquid in charging stock tank 1, the stoste of output connects impeller pump 2 by the pipe arrangement pipeline, the pump operation raw material enters preheater 3 vaporizations, raw material steam after the vaporization detects the control feed pressure by the first tensimeter 9, then pass into membrane module 4 and separate steam and organism, membrane module has the heat exchanger insulation to process simultaneously, prevents condensation of gas.Membrane module 4 is connected with vacuum pump 5, side at film forms the power that molecular motion is supplied with in pressure drop because of vacuum pump, promote steam by permeable membrane, most of water in infiltration past and partial organic substances are evacuated to 7 collections of penetrating fluid storage tank by vacuum pump and deposit, and regularly take out phlegma; The gas that sees through film connects the second tensimeter 10 at the opposite side of film, enters finished pot 8 after then process condenser 6 is cooled to liquid phase.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (4)
1. the device of the propyl alcohol of purifying, it is characterized in that: comprise charging stock tank, impeller pump, preheater, membrane module, vacuum pump, condenser, penetrating fluid hold-up vessel and finished pot, described charging stock tank is connected with described impeller pump by the pipe arrangement pipeline, described impeller pump is connected with described preheater, described preheater is connected with described membrane module, the per-meate side of described membrane module is connected with described vacuum pump, form pressure drop promotion steam by permeable membrane by vacuum pump in the per-meate side of membrane module, described vacuum pump is connected with the penetrating fluid storage tank will be evacuated to through the molecule of permeable membrane to collect in the penetrating fluid storage tank to be deposited; The products export of described membrane module is connected with condenser, finished pot, and the propyl alcohol steam that sees through permeable membrane passes through and enters the finished pot storage after condenser is cooled to liquid phase.
2. the device of purification propyl alcohol according to claim 1 is characterized in that: be provided with the first tensimeter behind the described preheater.
3. the device of purification propyl alcohol according to claim 1 is characterized in that: be provided with heat exchanger in the described membrane module.
4. the device of purification propyl alcohol according to claim 1 is characterized in that: be provided with the second tensimeter between described membrane module and the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556976 CN202898272U (en) | 2012-10-26 | 2012-10-26 | Device for purifying propyl alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556976 CN202898272U (en) | 2012-10-26 | 2012-10-26 | Device for purifying propyl alcohol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202898272U true CN202898272U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220556976 Expired - Lifetime CN202898272U (en) | 2012-10-26 | 2012-10-26 | Device for purifying propyl alcohol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202898272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611420A (en) * | 2013-11-20 | 2014-03-05 | 杭州上一环保技术有限公司 | Device and method for recycling low concentration alcohol |
| CN115105862A (en) * | 2022-06-10 | 2022-09-27 | 北京航天试验技术研究所 | Permeable membrane, application of permeable membrane in dehydration method of cyclopropane aerospace fuel, dehydration method, dehydration system and fuel |
-
2012
- 2012-10-26 CN CN 201220556976 patent/CN202898272U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611420A (en) * | 2013-11-20 | 2014-03-05 | 杭州上一环保技术有限公司 | Device and method for recycling low concentration alcohol |
| CN115105862A (en) * | 2022-06-10 | 2022-09-27 | 北京航天试验技术研究所 | Permeable membrane, application of permeable membrane in dehydration method of cyclopropane aerospace fuel, dehydration method, dehydration system and fuel |
| CN115105862B (en) * | 2022-06-10 | 2024-03-26 | 北京航天试验技术研究所 | Permeable membrane and application thereof in dehydration method, dehydration system and fuel of cyclopropane-based aerospace fuel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181213 Address after: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee after: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. Address before: 224211 No. 168-095 Fangshui Road, Chemical Industry Park, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing RongXin Chemical Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee after: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. Address before: 224211 No. 168-095 Fangshui Road, Chemical Industry Park, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing RongXin Chemical Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201214 Address after: 210047 -095, Fang Shui Road, Nanjing Chemical Industrial Park, Nanjing, Jiangsu, China, 168 Patentee after: Nanjing RongXin Chemical Co.,Ltd. Address before: Room 1129, 11th floor, Traffic Bureau Building, 95 Yingbin Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong 510800 Patentee before: GUANGZHOU XINSHIJI NEW ENERGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |