CN203196359U - Outer circulating evaporator used to extract Chinese herbal medicines - Google Patents
Outer circulating evaporator used to extract Chinese herbal medicines Download PDFInfo
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- CN203196359U CN203196359U CN 201320200074 CN201320200074U CN203196359U CN 203196359 U CN203196359 U CN 203196359U CN 201320200074 CN201320200074 CN 201320200074 CN 201320200074 U CN201320200074 U CN 201320200074U CN 203196359 U CN203196359 U CN 203196359U
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- evaporimeter
- chinese herbal
- feed liquid
- heater
- demister
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Abstract
The utility mode discloses an outer circulating evaporator used to extract Chinese herbal medicines. The outer circulating evaporator mainly comprises a heater (1) and an evaporator body (2) which are mutually connected, wherein a circulating pipe for circulating a feed liquid in equipment is arranged between the heater (1) and the evaporator body (2); the evaporator body (2) is successively connected with a demister (3) and a cooling device, the demister (3) is arranged on the top of the evaporator body (2), and the bottom of the cooling device is provided with a collector (4). The outer circulating evaporator provided by the utility model has the advantages that the structure is simple, the design is reasonable, when a liquid level in the evaporator body (2) is too high, a material running phenomenon caused by secondary steam with transport fluid is eliminated, the contamination to factory equipment is reduced, the evaporation capacity of the equipment is effectively improved, the waste caused by feed liquid loss is prevented, and the reliability is high.
Description
Technical field
The utility model relates to the evaporimeter field, specifically, is a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to.
Background technology
Thereby external circulation evaporator is a kind of concentrator that utilizes the feed liquid self-loopa that feed liquid is constantly evaporated, and is mainly used in the concentrated and evaporation of extracts of Chinese herbal medicine.Its structure mainly is comprised of heater, evaporimeter and the circulation pipe that is connected between heater, the evaporimeter as shown in Figure 1, its more existing evaporator with central downcomer and basket evaporator, and heat-transfer effect is better.But; we find in process of production; fluctuation can appear in the evaporation capacity of this external circulation evaporator often; evaporate extremely unstable; especially when liquid level is too high in the evaporimeter; material often can appear running; that is: the indirect steam in the evaporimeter carries the liquid foam and discharges together outside the machine from its top, not only can reduce the recovery rate of equipment, increases production cost; more can be to environment; when practical application, for processing the liquid of easily producing foam, the situation that produces this race material phenomenon of liquid foam entrainment is even more serious; therefore, the utility model arises at the historic moment.
The utility model content
The purpose of this utility model is to provide a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to, it has set up the structure of demister on the basis of existing technology, eliminated because of liquid level in evaporator when too high, indirect steam carries the liquid foam and the race material situation that causes, not only improved the evaporation capacity of equipment, the labour intensity that has alleviated the equipment operator of very bigger degree reduces the pollution of shop equipment.
The utility model is achieved through the following technical solutions: a kind of external circulation evaporator that is applied to the Chinese herbal medicine extraction, mainly formed by interconnective heater and evaporimeter, between heater and evaporimeter, be provided with the circulation pipe for feed liquid circulation in the equipment, for eliminating the race material phenomenon of external circulation evaporator, the utility model is connected with demister and cooling device in turn at evaporimeter, demister is located at the top of evaporimeter, bottom at cooling device then is provided with collector, demister can be eliminated because of liquid level in evaporator when too high, indirect steam carries the liquid foam and the race material situation that causes, usually be located at the top of evaporimeter, can prevent the waste that feed liquid runs off and causes, bring considerable economic benefit to processing enterprises such as pharmaceutical factories.
The utility model has also proposed the design of vapour liquid separator, be particularly useful for easily producing the feed liquid evaporation of foam, its structure is as follows: also be provided with vapour liquid separator between described demister and cooling device, then be provided with the communicating pipe that is back to the return duct in the evaporimeter and is communicated with respectively demister and cooling device for feed liquid on vapour liquid separator, return duct is located at the bottom of vapour liquid separator.
For better realizing the utility model, described cooling device comprises condenser and the cooler that links to each other successively, condenser linked to each other with vapour liquid separator by communicating pipe, and described collector then is located at the bottom of cooler, and described condenser, cooler all adopt cooling water to cool off.
The utility model is also with retracting device, in evaporating liquid, can realize the recovery to solvent, therefore, the bottom of described collector is provided with the alcohol floss hole for solvent recovery, the solvent that the utility model uses is alcohol, its a kind of good solvent, and dissolve each other with water, the use in Chinese herbal medicine extraction field is comparatively general.
For better equipment being carried out maintenance, also be provided with the quick-opening device that cleans for equipment at the top of described heater.
Described heater, evaporimeter, demister, vapour liquid separator and cooling device are stainless steel and are made, for reducing cost, when actual fabrication, can adopt stainless steel to make in feed liquid contact portions such as equipment and liquids, as: the SUS304 stainless steel,, and meet GMP and require (that is: good manufacturer's standard) again through polishing or acidifying Passivation Treatment on the surface that contacts with feed liquid, guarantee the normal use of equipment.
In the utility model, described circulation pipe is comprised of steam pipe and feed liquid pipe, and steam pipe is the pay-off of being located at the heater top and feed liquid steam being delivered to evaporimeter, and feed liquid Guan Ze is communicated in the bottom of evaporimeter and heater, and structure is very simple.
The utility model is provided with discharging opening in the bottom of described feed liquid pipe, can be used for the feed liquid discharging in plant maintenance or the maintenance process, and it is extremely convenient to use.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model proposes the design of demister, can be used for eliminating because of liquid level in evaporator when too high, indirect steam carries the liquid foam and the race material phenomenon that causes, can not only reduce the pollution of shop equipment, can also effectively improve the evaporation capacity of equipment, prevent the waste that feed liquid causes because of loss, bring considerable economic benefit to the pharmaceutical factory.
(2) the utility model not only extracts the field applicable to Chinese herbal medicine, also can be used for the making of water that Chinese medicine produces, alcohol extract etc., adopt the design of vapour liquid separator, be particularly useful for easily producing the feed liquid evaporation of foam, certainly, also can be according to actual conditions, as: for the feed liquid evaporation that is difficult for producing foam, the installation of saving vapour liquid separator.
(3) the utility model is simple in structure, and the contact portion of the feed liquids such as each capital equipment and liquid all can adopt the SUS304 stainless steel, again through polishing or acidifying Passivation Treatment, and meets the GMP requirement on the surface that contacts with feed liquid, to guarantee the normal use of equipment.
Description of drawings
Fig. 1 is the structural representation of external circulation evaporator in the prior art.
Fig. 2 is structural representation of the present utility model.
1-heater wherein, 2-evaporimeter, 3-demister, 4-collector, 5-vapour liquid separator, 6-return duct, 7-communicating pipe, 8-condenser, 9-cooler, 10-alcohol floss hole, 11-quick-opening device, 12-steam pipe, 13-feed liquid pipe, 14-discharging opening.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
In the prior art, external circulation evaporator is widely used in medicine, food, chemical industry, the evaporation of the aqueous solution of the industries such as light industry or organic solvent solution, its structure as shown in Figure 1, in actual production process, because liquid level in evaporator is unstable, the race material that causes because liquid level is too high often easily appears, its reason is because the indirect steam that produces in the evaporimeter is being carried many liquid foams secretly, when especially processing the liquid that easily produces foam, carry phenomenon secretly even more serious, therefore, for avoiding the generation of above-mentioned situation, the utility model proposes a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to, by structure shown in Figure 2 as can be known, this external circulation evaporator is mainly by the heater 1 that links to each other successively, evaporimeter 2, demister 3, cooling device forms, between heater 1 and evaporimeter 2, be provided with circulation pipe, material flows in the time of can supplying the interior feed liquid self-loopa of equipment, demister 3 is located at the top of evaporimeter 2, can eliminate because of evaporimeter 2 interior liquid levels when too high, indirect steam carries the liquid foam and the race material situation that causes, can prevent the waste that feed liquid runs off and causes, bring considerable economic benefit to processing enterprises such as pharmaceutical factories.
In the utility model, circulation pipe is comprised of steam pipe 12 and feed liquid pipe 13, steam pipe 12 is the pay-off of being located at heater 1 top and feed liquid steam being delivered to evaporimeter 2, and 13 of feed liquid pipes are communicated in the bottom of evaporimeter 2 and heater 1, and structure is very simple.For better realizing the utility model, as shown in Figure 2, the utility model also is provided with discharging opening 14 in the bottom of feed liquid pipe 13, can be used for the feed liquid discharging in plant maintenance or the maintenance process, and it is extremely convenient to use.For better equipment being carried out maintenance, the utility model also is provided with the quick-opening device 11 that cleans for equipment at the top of heater 1.
When practical application, after feed liquid heater via 1 is heated to boiling, part solution is vaporized, making thermal power transfer is the kinetic energy that moves upward, simultaneously and since in heater 1 interior liquid-vapor mixture and the circulation pipe not heated liquid material directly to have produced larger severe poor, under the poor effect of expansion kinetic energy and severe, produce the self-loopa of feed liquid, and finished the evaporation of feed liquid.The inside of heater 1 described in the utility model is vacuum design, during heating, under the effect of vacuum, the boiling point of its feed liquid reduces, and heater 1 liquid-vapor mixture out enters and carries out vapor-liquid separation in the evaporimeter 2, and the vapor-liquid separation space in the evaporimeter 2 is positioned at the top of evaporimeter 2, the indirect steam that produces is after demister 3 is eliminated the liquid foam, cool off through cooling device, cooled feed liquid namely flows in the collector 4, finishes the purification process of whole feed liquid.For better realizing said structure, the utility model has also proposed the setting of vapour liquid separator 5, this device is set in parallel in a side of demister 3, and be communicated between demister 3 and the cooling device, can make indirect steam realize further separating, be particularly useful for easily producing the feed liquid evaporation of foam, certainly, for the feed liquid evaporation that is difficult for producing foam, the setting that also can save vapour liquid separator 5.
As shown in Figure 2, the utility model is respectively equipped with the communicating pipe 7 that is back to the return duct 6 in the evaporimeter 2 and is communicated with respectively demister 3 and cooling device for feed liquid at vapour liquid separator 5, return duct 6 is located at the bottom of vapour liquid separator 5, during use, indirect steam carries out vapor-liquid separation through entering communicating pipe 7 in the vapour liquid separator 5, feed liquid steam after the separation flows into cooling device through communicating pipe 7 and cools off, feed liquid after vapour liquid separator 5 separates is then in return duct 6 flow to evaporimeter 2, and be back in the heater 1 by the feed liquid pipe 13 of evaporimeter 2 bottoms, carry out in next step the heating work.
In the utility model, cooling device comprises condenser 8 and the cooler 9 that links to each other successively, condenser 8 is by linking to each other with vapour liquid separator 5 communicating pipe 7, collector 4 is located at the bottom of cooler 9, as shown in Figure 2, condenser 8 described in the utility model, cooler 9 are the tank body equipment that adopts cooling water to cool off, and also are provided with coolant outlet and cooling water inlet on its structure, and recycling of cooling water can be provided.For better realizing the utility model, as shown in Figure 2, also be provided with the alcohol floss hole 10 that supplies solvent recovery in the bottom of collector 4, in the utility model, the solvent that uses is alcohol, its a kind of good solvent, and dissolve each other with water, use in Chinese herbal medicine extraction field is comparatively general, and therefore, this device also can be realized the recovery to solvent in evaporating liquid.
The utility model is simple in structure, reasonable in design, can be used for eliminating because of evaporimeter 2 interior liquid levels when too high, indirect steam carries the liquid foam and the race material phenomenon that causes, can not only reduce the pollution of shop equipment, can also effectively improve the evaporation capacity of equipment, prevent the waste that feed liquid causes because of loss, for improving the reliability of this device, above-mentioned heater 1, evaporimeter 2, demister 3, vapour liquid separator 5 and cooling device are stainless steel and are made, for reducing cost, when actual fabrication, can adopt stainless steel to make in feed liquid contact portions such as equipment and liquids, as: the SUS304 stainless steel,, and meet GMP and require (that is: good manufacturer's standard) again through polishing or acidifying Passivation Treatment on the surface that contacts with feed liquid, guarantee the normal use of equipment.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all falls within the protection domain of the present utility model any simple modification, equivalent variations that above embodiment does.
Claims (8)
1. one kind is applied to the external circulation evaporator that Chinese herbal medicine extracts, mainly formed by interconnective heater (1) and evaporimeter (2), between heater (1) and evaporimeter (2), be provided with the circulation pipe for feed liquid circulation in the equipment, it is characterized in that: be connected with demister (3) and cooling device in turn at evaporimeter (2), demister (3) is located at the top of evaporimeter (2), then is provided with collector (4) in the bottom of cooling device.
2. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 1, it is characterized in that: between described demister (3) and cooling device, also be provided with vapour liquid separator (5), then be provided with the communicating pipe (7) that is back to the return duct (6) in the evaporimeter (2) and is communicated with respectively demister (3) and cooling device for feed liquid on vapour liquid separator (5), return duct (6) is located at the bottom of vapour liquid separator (5).
3. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 2, it is characterized in that: described cooling device comprises condenser (8) and the cooler (9) that links to each other successively, condenser (8) is by linking to each other with vapour liquid separator (5) communicating pipe (7), and described collector (4) then is located at the bottom of cooler (9).
4. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 3 is characterized in that: be provided with the alcohol floss hole (10) for solvent recovery in the bottom of described collector (4).
5. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 4 is characterized in that: also be provided with the quick-opening device (11) that cleans for equipment at the top of described heater (1).
6. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 5, it is characterized in that: described heater (1), evaporimeter (2), demister (3), vapour liquid separator (5) and cooling device are stainless steel and are made.
7. each described a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 1～6, it is characterized in that: described circulation pipe is comprised of steam pipe (12) and feed liquid pipe (13), steam pipe (12) is the pay-off of being located at heater (1) top and feed liquid steam being delivered to evaporimeter (2), and feed liquid pipe (13) then is communicated in the bottom of evaporimeter (2) and heater (1).
8. a kind of external circulation evaporator that Chinese herbal medicine extracts that is applied to according to claim 7 is characterized in that: be provided with discharging opening (14) in the bottom of described feed liquid pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200074 CN203196359U (en) | 2013-04-19 | 2013-04-19 | Outer circulating evaporator used to extract Chinese herbal medicines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200074 CN203196359U (en) | 2013-04-19 | 2013-04-19 | Outer circulating evaporator used to extract Chinese herbal medicines |
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| Publication Number | Publication Date |
|---|---|
| CN203196359U true CN203196359U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320200074 Expired - Fee Related CN203196359U (en) | 2013-04-19 | 2013-04-19 | Outer circulating evaporator used to extract Chinese herbal medicines |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413231A (en) * | 2015-11-16 | 2016-03-23 | 河南豫冠化工科技开发有限公司 | Circulation extraction device and method |
| CN105641959A (en) * | 2016-03-24 | 2016-06-08 | 常熟市中药制药机械有限责任公司 | Blocking-proof and pollution-proof external circular evaporation system |
| CN105641960A (en) * | 2016-03-24 | 2016-06-08 | 常熟市中药制药机械有限责任公司 | Efficient external circulation type evaporation system |
| CN105749568A (en) * | 2016-03-24 | 2016-07-13 | 常熟市中药制药机械有限责任公司 | Easily-observable external circulating evaporation system |
-
2013
- 2013-04-19 CN CN 201320200074 patent/CN203196359U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413231A (en) * | 2015-11-16 | 2016-03-23 | 河南豫冠化工科技开发有限公司 | Circulation extraction device and method |
| CN105641959A (en) * | 2016-03-24 | 2016-06-08 | 常熟市中药制药机械有限责任公司 | Blocking-proof and pollution-proof external circular evaporation system |
| CN105641960A (en) * | 2016-03-24 | 2016-06-08 | 常熟市中药制药机械有限责任公司 | Efficient external circulation type evaporation system |
| CN105749568A (en) * | 2016-03-24 | 2016-07-13 | 常熟市中药制药机械有限责任公司 | Easily-observable external circulating evaporation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |