CN212491602U - Chloroform evaporation frequency conversion evacuating device - Google Patents
Chloroform evaporation frequency conversion evacuating device Download PDFInfo
- Publication number
- CN212491602U CN212491602U CN202021121895.1U CN202021121895U CN212491602U CN 212491602 U CN212491602 U CN 212491602U CN 202021121895 U CN202021121895 U CN 202021121895U CN 212491602 U CN212491602 U CN 212491602U
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- CN
- China
- Prior art keywords
- chloroform
- condenser
- pipeline
- pump
- separator
- 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.)
- Expired - Fee Related
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 238000001704 evaporation Methods 0.000 title claims abstract description 17
- 230000008020 evaporation Effects 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 238000009835 boiling Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000000498 cooling water Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008878 coupling Effects 0.000 abstract description 23
- 238000010168 coupling process Methods 0.000 abstract description 23
- 238000005859 coupling reaction Methods 0.000 abstract description 23
- 238000005086 pumping Methods 0.000 abstract 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000019605 sweet taste sensations Nutrition 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a chloroform evaporation frequency conversion evacuating device, including the evaporimeter, the evaporimeter includes that one imitates the charge pump, two imitate the charge pump, one imitates the heater, one imitates the separator, two imitate the heater, two imitate the separator, the condenser, chloroform collecting tank and frequency conversion evacuating pump, one imitates the charge pump tube coupling one and imitates the heater, one imitates the separator tube coupling one and imitates the separator, two imitate charge pump and condenser are connected respectively to one imitate the separator tube coupling, two imitate the charge pump tube coupling two imitate the heater, two imitate the separator tube coupling two imitates the separator, two imitate the separator tube coupling condenser, be equipped with cooling chloroform export and uncooled chloroform entry on the condenser, cooling chloroform export tube coupling chloroform collecting tank, chloroform collecting tank tube coupling frequency conversion evacuating pump. The vacuum pump can achieve the purpose of controlling any rotating speed by directly adopting variable frequency control, so that the vacuum pumping quantity is just proper, and the evaporation boiling point of chloroform can be stably controlled to be about 45 ℃.
Description
Technical Field
The utility model relates to an evaporimeter especially relates to a chloroform evaporation frequency conversion evacuating device.
Background
Chloroform, alternative name: chloroform, a colorless transparent liquid, is widely used in the fields of medicine and chemical industry, has special smell, sweet taste, is easy to volatilize, and can react with oxygen in the air when being irradiated by light to gradually decompose and generate virulent phosgene. N-methylpyrrolidone, alternative name: NMP is colorless transparent oily liquid, has low volatility and excellent thermal stability and chemical stability, and can volatilize along with water vapor. The compound is easy to dissolve in water, ethanol, ether, acetone, ethyl acetate, chloroform and benzene, can dissolve most of organic and inorganic compounds, polar gases, natural and synthetic high molecular compounds, and NMP is widely applied to the industries of lithium batteries, medicines, pesticides, pigments, cleaning agents, insulating materials and the like.
The normal-pressure boiling point of chloroform is only 61.3 ℃, the common temperature of cooling water is 30-40 ℃, the temperature difference between the normal-pressure boiling point and the common temperature is large, a large amount of cooling water is needed in the cooling process of the existing chloroform evaporator, and the energy consumption in the cooling process is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, a chloroform evaporation variable-frequency vacuum extractor with lower energy consumption is specially manufactured.
In order to achieve the above object, the present invention provides the following solutions: the utility model provides a chloroform evaporation frequency conversion evacuating device, including the evaporimeter, the evaporimeter includes the charge pump, one imitates the heater, one imitates the separator, two imitate the heater, two imitate the separator, the condenser, chloroform collecting tank and frequency conversion evacuating pump, a charge pump tube coupling is one imitated the heater, one imitates a heater tube coupling and imitates the separator, one imitates separator tube coupling two imitate the heater, two imitate the heater tube coupling two imitate the separator, two imitate the separator tube coupling condenser, be equipped with cooling chloroform export and uncooled chloroform entry on the condenser, cooling chloroform export tube coupling chloroform collecting tank, chloroform collecting tank tube coupling frequency conversion evacuating pump.
And further, a chloroform discharge port, a chloroform feeding port and a vacuumizing port are arranged on the chloroform collecting tank, the chloroform discharge port is connected with a chloroform discharge pump through a pipeline, the cooled chloroform is collected and discharged by the chloroform discharge pump, the chloroform feeding port is connected with a cooled chloroform discharge port through a pipeline, the chloroform cooled in the condenser is discharged from the cooled chloroform discharge port and enters the chloroform collecting tank through a pipeline, and the vacuumizing port is connected with a variable-frequency vacuumizing pump through a pipeline.
Further, the evaporator further comprises a plate heat exchanger, a heat exchange inlet, a heat exchange outlet, a chilled water outlet and a chilled water inlet are formed in the plate heat exchanger, a boiling chloroform outlet is further formed in the chloroform collecting tank and is arranged at the top of the chloroform collecting tank, the boiling chloroform outlet is connected with the heat exchange inlet in the plate heat exchanger through a pipeline, the heat exchange inlet and the heat exchange outlet are communicated with the inside of the plate heat exchanger, and the heat exchange outlet is connected with the uncooled chloroform inlet in the condenser through a pipeline.
Furthermore, the condenser is also provided with a cooling water inlet and a cooling water outlet, the cooling water inlet is arranged at the bottom of the condenser, and the cooling water outlet is arranged at the top of the condenser.
Furthermore, the variable-frequency vacuum pump comprises a variable-frequency motor and a vacuum pump, wherein the variable-frequency motor drives the vacuum pump and controls the rotation rate of the vacuum pump.
The utility model discloses an useful part lies in:
the system has the ingenious point that the vacuum degree of the equipment can be stably controlled, and the vacuum degree of the equipment can be randomly adjusted. The normal-pressure boiling point of chloroform is only 61.3 ℃, the common temperature of cooling water is 30-40 ℃, so if people can reduce the boiling point of chloroform to 45 ℃ and then condense chloroform steam with the cooling water, a great deal of cooling water can be saved, the vacuum degree of equipment must be accurately controlled, and the temperature of chloroform is accurately reduced to about 45 ℃. The vacuum pump of the vacuum system commonly used by people is opened at full speed, the air extraction amount reaches the maximum at the moment, the vacuum degree of equipment can generally reach-0.09 MPA, the boiling point of chloroform is about 13 ℃, so that the air extraction amount of the vacuum system with the boiling point about 45 ℃ can not be the maximum, and the rotating speed of the vacuum pump needs to be controlled. The vacuum pump directly adopts frequency conversion control can reach the purpose of controlling arbitrary rotational speed, and the vacuum pump motor adopts inverter motor, and control system adopts the converter control, can adjust the vacuum pump to certain rotational speed through the converter, makes the vacuum air extraction volume just suitable, and the evaporation boiling point that just can stable control chloroform is about 45 ℃.
Drawings
Fig. 1 is a schematic view of the chloroform evaporation variable-frequency vacuum extractor of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The utility model provides a chloroform evaporation frequency conversion evacuating device, including the evaporimeter, the evaporimeter includes one imitates charge pump 100, two imitate charge pump 103, one imitates heater 101, one imitates separator 102, two imitate heater 104, two imitate separator 105, condenser 106, chloroform collecting tank 110 and frequency conversion evacuation pump 109, one imitates charge pump tube coupling one imitates the heater, one imitates heater tube coupling one imitates the separator, one imitates separator tube coupling two imitates charge pump and condenser respectively, two imitate charge pump tube coupling two imitate the heater, two imitate heater tube coupling two imitates the separator, two imitate separator tube coupling condensers, be equipped with cooling chloroform export and uncooled chloroform entry on the condenser, cooling chloroform export tube coupling chloroform collecting tank, chloroform collecting tank tube coupling frequency conversion evacuation pump. The stock solution is firstly sent into a condenser for cooling through a first-effect feeding pump, a first-effect heater and a first-effect separator, part of the stock solution is sent into a second-effect feeding pump for secondary evaporation, and after the stock solution is treated by the second-effect heater and the second-effect separator, the chloroform subjected to secondary evaporation is sent into the condenser for cooling.
The chloroform collecting tank is provided with a chloroform discharge port, a chloroform feeding port and a vacuumizing port, the chloroform discharge port is connected with a chloroform discharge pump through a pipeline, the cooled chloroform is collected and discharged by the chloroform discharge pump 108, the chloroform feeding port is connected with a cooled chloroform discharge port through a pipeline, the chloroform cooled in the condenser is discharged from the cooled chloroform discharge port and enters the chloroform collecting tank through a pipeline, and the vacuumizing port is connected with a variable-frequency vacuumizing pump through a pipeline. The evaporator further comprises a plate heat exchanger 107, a heat exchange inlet, a heat exchange outlet, a chilled water outlet and a chilled water inlet are formed in the plate heat exchanger, a boiling chloroform outlet is further formed in the chloroform collecting tank and is arranged at the top of the chloroform collecting tank, the boiling chloroform outlet is connected with the heat exchange inlet in the plate heat exchanger through a pipeline, the heat exchange inlet and the heat exchange outlet are communicated with the inside of the plate heat exchanger, and the heat exchange outlet is connected with the uncooled chloroform inlet in the condenser through a pipeline. The condenser is also provided with a cooling water inlet and a cooling water outlet, the cooling water inlet is arranged at the bottom of the condenser, and the cooling water outlet is arranged at the top of the condenser. The variable-frequency vacuum pump comprises a variable-frequency motor and a vacuum pump, wherein the variable-frequency motor drives the vacuum pump and controls the rotation speed of the vacuum pump.
The variable frequency motor controls the rotating speed of the vacuum pump through the frequency converter, so that the chloroform boiling point in the equipment can be accurately controlled and adjusted.
It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a chloroform evaporation frequency conversion evacuating device, includes the evaporimeter, its characterized in that: the evaporator comprises an effective feeding pump, a double-effect feeding pump, an effective heater, an effective separator, a double-effect heater, a double-effect separator, a condenser, a chloroform collecting tank and a variable-frequency vacuum pump, wherein the effective feeding pump is connected with the effective heater through a pipeline, the effective heater is connected with the effective separator through a pipeline, the effective separator is connected with the double-effect feeding pump and the condenser through a pipeline, the double-effect feeding pump is connected with the double-effect heater through a pipeline, the double-effect heater is connected with the double-effect separator through a pipeline, the double-effect separator is connected with the condenser through a pipeline, a cooling chloroform outlet and an uncooled chloroform inlet are arranged on the condenser, the cooling chloroform outlet is connected with the chloroform collecting tank through a pipeline, and the chloroform collecting tank is.
2. The chloroform evaporation variable-frequency vacuum extractor as claimed in claim 1, wherein: the chloroform collecting tank is provided with a chloroform discharge port, a chloroform feeding port and a vacuumizing port, the chloroform discharge port is connected with a chloroform discharge pump through a pipeline, the cooled chloroform is collected and discharged by the chloroform discharge pump, the chloroform feeding port is connected with a cooled chloroform discharge port through a pipeline, the chloroform cooled in the condenser is discharged from the cooled chloroform discharge port and enters the chloroform collecting tank through a pipeline, and the vacuumizing port is connected with a variable-frequency vacuumizing pump through a pipeline.
3. The chloroform evaporation variable-frequency vacuum extractor as claimed in claim 2, wherein: the evaporator further comprises a plate heat exchanger, a heat exchange inlet, a heat exchange outlet, a chilled water outlet and a chilled water inlet are formed in the plate heat exchanger, a boiling chloroform outlet is further formed in the chloroform collecting tank and is arranged at the top of the chloroform collecting tank, the boiling chloroform outlet is connected with the heat exchange inlet in the plate heat exchanger through a pipeline, the heat exchange inlet and the heat exchange outlet are communicated with the inside of the plate heat exchanger, and the heat exchange outlet is connected with the uncooled chloroform inlet in the condenser through a pipeline.
4. The chloroform evaporation variable-frequency vacuum extractor as claimed in claim 3, wherein: the condenser is also provided with a cooling water inlet and a cooling water outlet, the cooling water inlet is arranged at the bottom of the condenser, and the cooling water outlet is arranged at the top of the condenser.
5. The chloroform evaporation variable-frequency vacuum extractor as claimed in claim 4, wherein: the variable-frequency vacuum pump comprises a variable-frequency motor and a vacuum pump, wherein the variable-frequency motor drives the vacuum pump and controls the rotation speed of the vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121895.1U CN212491602U (en) | 2020-06-17 | 2020-06-17 | Chloroform evaporation frequency conversion evacuating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121895.1U CN212491602U (en) | 2020-06-17 | 2020-06-17 | Chloroform evaporation frequency conversion evacuating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212491602U true CN212491602U (en) | 2021-02-09 |
Family
ID=74388882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121895.1U Expired - Fee Related CN212491602U (en) | 2020-06-17 | 2020-06-17 | Chloroform evaporation frequency conversion evacuating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212491602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457185A (en) * | 2021-07-06 | 2021-10-01 | 江苏博科华环保科技有限公司 | MVR evaporator capable of adjusting evaporation temperature according to different mother liquor temperature requirements and using method thereof |
-
2020
- 2020-06-17 CN CN202021121895.1U patent/CN212491602U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457185A (en) * | 2021-07-06 | 2021-10-01 | 江苏博科华环保科技有限公司 | MVR evaporator capable of adjusting evaporation temperature according to different mother liquor temperature requirements and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |