CN105289016A - Operation method for vacuum decompressing concentration device - Google Patents
Operation method for vacuum decompressing concentration device Download PDFInfo
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- CN105289016A CN105289016A CN201510742289.9A CN201510742289A CN105289016A CN 105289016 A CN105289016 A CN 105289016A CN 201510742289 A CN201510742289 A CN 201510742289A CN 105289016 A CN105289016 A CN 105289016A
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Abstract
The invention discloses an operation method for a vacuum decompressing concentration device. The vacuum decompressing concentration device comprises a concentration pan and a solvent storage tank, wherein a vacuum pipe is arranged on the solvent storage tank; a vacuum adjusting valve is arranged on the vacuum pipe; an air-pressure adjusting valve is arranged at the upper end of the solvent storage tank. The operation method comprises the following steps: switching on the vacuum adjusting valve till the vacuum degree in the concentration pan meets a preset standard; concentrating feed liquid and enabling the solvent to volatize to enter the solvent storage tank; switching off the vacuum adjusting valve when the solvent in the solvent storage tank reaches 80%; and switching on the air-pressure adjusting valve, and then recycling the solvent in the solvent storage tank. According to the operation method, within 8 hours of the whole production process of material concentration and solvent recycling processes, the switching-on time of the vacuum adjusting valve is 160 seconds, and the whole concentration process is performed in a relatively sealed space, so that the recovery rate of the solvent reaches 98% and above, the use ratio of the solvent is increased, the production cost is lowered and the environment pollution caused by the solvent evaporation is avoided.
Description
Technical field
The present invention relates to pharmacy, chemical field, be specifically related to a kind of vacuum-concentrcted apparatus operation method.
Background technology
Heat sensitive material allows tolerable temperature lower, vacuum-concentrcted need be adopted to reclaim, when feed liquid concentrates, solvent volatilization is also cooled by condenser and reclaims, during the existing vacuum-concentrcted operate of current employing, the rate of recovery of solvent only has an appointment 90%, causes the waste of solvent and the increase of production cost, simultaneously also to environment.
Summary of the invention
For above-mentioned deficiency, the object of the invention is to, provide a kind of vacuum-concentrcted apparatus operation method, it can effectively be recycled by recycling design, reduces production cost, and avoids the pollution of solvent to environment.
For achieving the above object, technical scheme provided by the present invention is:
A kind of vacuum-concentrcted apparatus operation method, described vacuum-concentrcted equipment comprises concentration pan, chuck, condenser, solvent receiving tank, solvent tank and solvent pump.Described concentration pan upper end is provided with feed pipe, and feed pipe is provided with material inlet valve.Described chuck is sheathed on the outer surface of described concentration pan lower end, and described condenser is communicated with described concentration pan by pipeline.Solvent receiving tank is communicated with described condenser by pipeline, and the vacuum tube that solvent tank is provided with is connected with described solvent tank, and described vacuum tube is provided with vacuum breaker.Described solvent tank is connected with solvent receiving tank by tube connector, tube connector is provided with solvent adjustment valve, and the upper end of solvent tank is provided with air pressure regulator, described solvent tank is positioned at the downstream of described solvent receiving tank, described solvent pump is connected on described solvent tank by pipeline, and described method of operating comprises:
When material concentrates, open vacuum breaker, open material inlet valve simultaneously and add feed liquid to be concentrated in concentration pan, then close material inlet valve, the vacuum in pot to be concentrated reaches predetermined standard time and closes vacuum breaker;
Inject hot water in past chuck, concentrate feed liquid, feed liquid is seethed with excitement, and solvent volatilization enters in solvent tank through condenser and solvent receiving tank, when feed liquid concentrates 15 ~ 20 minutes, opens vacuum breaker and adds vacuum, make system held vacuum;
When solvent tank internal solvent reaches 80% of solvent tank volume, close solvent adjustment valve and vacuum breaker, continue to prevent solvent to enter in solvent tank, air pressure regulator to the air pressure in solvent tank opening solvent tank upper end is normal pressure, then solvent pump is opened by the solvent recovery in solvent tank, after treating solvent recovery, closing air pressure regulator and solvent pump and opening vacuum breaker makes the vacuum in solvent tank higher than the vacuum in described concentration pan and solvent receiving tank, then solvent adjustment valve is opened, described vacuum-concentrcted equipment enters normal enrichment stage.
Preferably, in described concentration pan during concentrated 15 ~ 20 minutes of feed liquid, open vacuum breaker and add vacuum 5 second, maintain system vacuum.
Preferably, described feed liquid concentrates the vacuum in the reduced pressure concentration equipment of initial vacuum is-0.06MPa.
Preferably, described concentration pan is in feed liquid concentration process, vacuum in described solvent tank, concentration pan and solvent receiving tank increases successively so that feed liquid concentrate initial vacuum reduced pressure concentration equipment in feed liquid concentration process smoothly by solvent recovery in described solvent tank.
Preferably, described concentration pan and solvent tank is in the same size.
Preferably, described vacuum-concentrcted equipment also comprises vavuum pump, and this vavuum pump is communicated with described solvent tank by vacuum tube.
Beneficial effect of the present invention is: described vacuum-concentrcted apparatus operation method is concentrated with in solvent recovery process at material, when in concentration pan, feed liquid concentrates 15 ~ 20 minutes, open vacuum breaker and add vacuum 5 second, in the whole production process time of 8 hours, described vacuum conditions valve opening time was 160 seconds, therefore whole concentration process carries out in relatively airtight space, and then make solvent recovering rate reach more than 98%, improve solvent utilization rate, reduce production cost, avoid solvent volatilization and cause environmental pollution.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of vacuum-concentrcted equipment of the present invention.
In figure, each description of reference numerals is as follows.
Concentration pan-1, feed pipe-11, material inlet valve-111, chuck-2, condenser-3, solvent receiving tank-4, solvent tank-5, tube connector-51, solvent adjustment valve-52, air pressure regulator-53, solvent pump-6, vacuum tube-7, vacuum breaker-71.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Refer to Fig. 1, a kind of vacuum-concentrcted apparatus operation method, wherein, described vacuum-concentrcted equipment comprises concentration pan 1, chuck 2, condenser 3, solvent receiving tank 4, solvent tank 5 and solvent pump 6.Described concentration pan 1 upper end is provided with feed pipe 11, and feed pipe 11 is provided with material inlet valve 111.Described chuck 2 is sheathed on the outer surface of described concentration pan 1 lower end, described condenser 3 is communicated with described concentration pan 1 by pipeline, solvent receiving tank 4 is communicated with described condenser 3 by pipeline, the vacuum tube 7 that solvent tank 5 is provided with is connected with described solvent tank 5, and described vacuum tube 7 is provided with vacuum breaker 71.Described solvent tank 5 is connected with solvent receiving tank 4 by tube connector 51, and tube connector 51 is provided with solvent adjustment valve 52, and the upper end of solvent tank 5 is provided with air pressure regulator 53, and described solvent tank 5 is positioned at the downstream of described solvent receiving tank 4.Described solvent pump 6 is connected on described solvent tank 5 by pipeline.
Described vacuum-concentrcted apparatus operation method comprises the following steps:
A. when material concentrates, open vacuum breaker 71, open material inlet valve 111 simultaneously and add feed liquid to be concentrated in concentration pan 1, charging reaches predetermined standard time and closes material inlet valve 111, and the vacuum in pot 1 to be concentrated reaches predetermined standard time and closes vacuum breaker 71.
B. in chuck 2, inject hot water or water vapour, concentrate feed liquid, feed liquid is seethed with excitement, solvent volatilization enters in solvent tank 5 through condenser 3 and solvent receiving tank 4, when feed liquid concentrates 15 ~ 20 minutes, open vacuum breaker 71 and add vacuum, make system held vacuum.
C., when solvent tank 5 internal solvent reaches 80% of solvent tank 5 volume, close solvent adjustment valve 52 and vacuum breaker 71, continue to prevent solvent to enter in solvent tank 5.The air pressure opened in air pressure regulator 53 to the solvent tank 5 of solvent tank 5 upper end is normal pressure, then opens solvent pump 6 and the solvent in solvent tank 5 is transferred to predetermined storage tank.After treating solvent recovery, closing air pressure regulator 53 and solvent pump 6 and opening vacuum breaker (71) makes vacuum in solvent tank (5) higher than the vacuum in described concentration pan (1) and solvent receiving tank (4), then open solvent adjustment valve (52), described vacuum-concentrcted equipment enters normal enrichment stage.
Preferably, in described concentration pan 1 during concentrated 15 ~ 20 minutes of feed liquid, open vacuum breaker 71 and add vacuum 5 second, maintain system vacuum, normally complete and the recovery of solvent to ensure that material concentrates.
In the present embodiment, described feed liquid concentrates the vacuum in the reduced pressure concentration equipment of initial vacuum is-0.06MPa.
In the present embodiment, described concentration pan 1 is in feed liquid concentration process, vacuum in described solvent tank 5, concentration pan 1 and solvent receiving tank 4 increases successively so that feed liquid concentrate initial vacuum reduced pressure concentration equipment in feed liquid concentration process smoothly by solvent recovery in described solvent tank 5.
In the present embodiment, described concentration pan 1 and solvent tank 5 is in the same size.
Described vacuum-concentrcted equipment also comprises vavuum pump (not shown), and this vavuum pump is communicated with described solvent tank 5 by vacuum tube 7.
Described vacuum-concentrcted apparatus operation method is concentrated with in solvent recovery process at material, when in concentration pan 1, feed liquid concentrates 15 ~ 20 minutes, open vacuum breaker 71 and add vacuum 5 second, in the whole production process time of 8 hours, described vacuum breaker 71 opening time was 160 seconds, therefore whole concentration process carries out in relatively airtight space, and then make solvent recovering rate reach more than 98%, improve solvent utilization rate, reduce production cost, avoid solvent volatilization and cause environmental pollution.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention, adopt other device same or analogous with it, all in scope.
Claims (6)
1. a vacuum-concentrcted apparatus operation method, described vacuum-concentrcted equipment comprises concentration pan (1), chuck (2), condenser (3), solvent receiving tank (4), solvent tank (5) and solvent pump (6), described concentration pan (1) upper end is provided with feed pipe (11), and feed pipe (11) is provided with material inlet valve (111), described chuck (2) is sheathed on the outer surface of described concentration pan (1) lower end, described condenser (3) is communicated with described concentration pan (1) by pipeline, solvent receiving tank (4) is communicated with described condenser (3) by pipeline, the vacuum tube (7) that solvent tank (5) is provided with is connected with described solvent tank (5), and described vacuum tube (7) is provided with vacuum breaker (71), described solvent tank (5) is connected with solvent receiving tank (4) by tube connector (51), tube connector (51) is provided with solvent adjustment valve (52), and the upper end of solvent tank (5) is provided with air pressure regulator (53), described solvent tank (5) is positioned at the downstream of described solvent receiving tank (4), described solvent pump (6) is connected on described solvent tank (4) by pipeline, it is characterized in that, described method of operating comprises:
When material concentrates, open vacuum breaker (71), open material inlet valve (111) simultaneously and add feed liquid to be concentrated in concentration pan (1), charging reaches predetermined standard time and closes material inlet valve (111), and the vacuum in pot to be concentrated (1) reaches predetermined standard time and closes vacuum breaker (71);
Hot water is injected in chuck (2), feed liquid is concentrated, feed liquid is seethed with excitement, solvent volatilization enters in solvent tank (5) through condenser (3) and solvent receiving tank (4), when feed liquid concentrates 15 ~ 20 minutes, open vacuum breaker (71) and add vacuum, make system held vacuum;
When solvent tank (5) internal solvent reaches 80% of solvent tank (5) volume, close solvent adjustment valve (52) and vacuum breaker (71), continue to prevent solvent to enter in solvent tank (5), the air pressure regulator (53) opening solvent tank (5) upper end is normal pressure to the air pressure in solvent tank (5), then open solvent pump (6) and the solvent in solvent tank (5) is transferred to predetermined storage tank, after treating solvent recovery, closing air pressure regulator (53) and solvent pump (6) and opening vacuum breaker (71) makes vacuum in solvent tank (5) higher than the vacuum in described concentration pan (1) and solvent receiving tank (4), then solvent adjustment valve (52) is opened, described vacuum-concentrcted equipment enters normal enrichment stage.
2. vacuum-concentrcted apparatus operation method as claimed in claim 1, is characterized in that: during concentrated 15 ~ 20 minutes of described concentration pan (1) interior feed liquid, opens vacuum breaker (71) and adds vacuum 5 second, maintenance system vacuum.
3. vacuum-concentrcted apparatus operation method as claimed in claim 1, is characterized in that: the described feed liquid vacuum concentrated in the reduced pressure concentration equipment of initial vacuum is-0.06MPa.
4. vacuum-concentrcted apparatus operation method as claimed in claim 3, it is characterized in that: described concentration pan (1) is in feed liquid concentration process, vacuum in described solvent tank (5), concentration pan (1) and solvent receiving tank (4) increases successively so that in feed liquid concentration process smoothly by solvent recovery in described solvent tank (5).
5. vacuum-concentrcted apparatus operation method as claimed in claim 1, is characterized in that: described concentration pan (1) and solvent tank (5) in the same size.
6. vacuum-concentrcted apparatus operation method as claimed in claim 1, is characterized in that: described vacuum-concentrcted equipment also comprises vavuum pump, and this vavuum pump is communicated with described solvent tank (5) by vacuum tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742289.9A CN105289016A (en) | 2015-11-04 | 2015-11-04 | Operation method for vacuum decompressing concentration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742289.9A CN105289016A (en) | 2015-11-04 | 2015-11-04 | Operation method for vacuum decompressing concentration device |
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| CN105289016A true CN105289016A (en) | 2016-02-03 |
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| CN201510742289.9A Pending CN105289016A (en) | 2015-11-04 | 2015-11-04 | Operation method for vacuum decompressing concentration device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503810A (en) * | 1993-06-04 | 1996-04-02 | Chang; William | System for producing herbal concentrate |
| CN203861954U (en) * | 2014-06-03 | 2014-10-08 | 湖北相和精密化学有限公司 | Removing and recycling system for solvents |
| CN204233786U (en) * | 2014-08-21 | 2015-04-01 | 河北协诚生物科技有限公司 | Amino acid Vacuum Concentration extraction element |
| CN204261368U (en) * | 2014-11-25 | 2015-04-15 | 淄博市临淄齐泉工贸有限公司 | A kind of low-boiling-point substance reclaimer |
| CN204672094U (en) * | 2015-05-04 | 2015-09-30 | 精华制药集团南通有限公司 | A kind of alcohol recovering device for phenylbutazone synthesis |
-
2015
- 2015-11-04 CN CN201510742289.9A patent/CN105289016A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5503810A (en) * | 1993-06-04 | 1996-04-02 | Chang; William | System for producing herbal concentrate |
| CN203861954U (en) * | 2014-06-03 | 2014-10-08 | 湖北相和精密化学有限公司 | Removing and recycling system for solvents |
| CN204233786U (en) * | 2014-08-21 | 2015-04-01 | 河北协诚生物科技有限公司 | Amino acid Vacuum Concentration extraction element |
| CN204261368U (en) * | 2014-11-25 | 2015-04-15 | 淄博市临淄齐泉工贸有限公司 | A kind of low-boiling-point substance reclaimer |
| CN204672094U (en) * | 2015-05-04 | 2015-09-30 | 精华制药集团南通有限公司 | A kind of alcohol recovering device for phenylbutazone synthesis |
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Application publication date: 20160203 |