CN216755403U - Evaporation kettle for gas distribution - Google Patents
Evaporation kettle for gas distribution Download PDFInfo
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- CN216755403U CN216755403U CN202123124539.2U CN202123124539U CN216755403U CN 216755403 U CN216755403 U CN 216755403U CN 202123124539 U CN202123124539 U CN 202123124539U CN 216755403 U CN216755403 U CN 216755403U
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- evaporation
- evaporation kettle
- tank body
- gas distribution
- kettle
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses an evaporation kettle for gas distribution, which comprises an evaporation kettle tank body, wherein the top of the evaporation kettle tank body is provided with an air inlet pipe used for being connected with an external gas distribution device or a vacuum pump, the bottom of the evaporation kettle tank body is provided with a material liquid pipe used for feeding liquid or discharging liquid, the top of the evaporation kettle tank body is also provided with a sampling port through which a syringe can sample or inject raw materials, the bottom of the evaporation kettle tank body is provided with a heating part used for heating the evaporation kettle tank body, and the evaporation kettle tank body is provided with a temperature measuring part used for measuring the temperature of the material liquid in the evaporation kettle tank body. The utility model has the beneficial effects that: the utility model can ensure complete vaporization and has little influence on human health, and volatile impurities and non-volatile impurities in the liquid raw materials can be separated from the raw materials by adjusting the heating temperature, thereby achieving the purpose of reducing the impurities.
Description
Technical Field
The utility model relates to the technical field of pressure vessels, in particular to an evaporation kettle for gas distribution.
Background
Liquid raw materials are often used in standard gas formulations, and the taking of liquid raw materials is generally done with syringes, which introduce the following errors in the process: 1. errors that can arise when converting from volume to mass; 2. the inner wall of the injector adsorbs the error caused by the residual liquid; 3. leakage of fluid when injected into a cylinder can cause errors; 4. the error caused by incomplete vaporization of the liquid raw material, 5, the error caused by impurities contained in the liquid raw material; 6 when the operation is carried out, the error caused by air suction of the air bottle is that besides the error, some liquid raw materials are toxic and harmful, and the harm is caused to the health of operators, so that the liquid raw materials are added by a method which has small introduced impurities, can ensure complete vaporization and has small influence on the health of human bodies.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above problems by providing an evaporation kettle for gas distribution.
The technical problem solved by the utility model can be realized by adopting the following technical scheme:
the utility model provides an evaporation kettle for distribution, its characterized in that, includes the evaporation tank jar body, the top of the evaporation tank jar body is provided with the intake pipe that is used for with external distribution device or vacuum pump connection, the bottom of the evaporation tank jar body is provided with the feed liquid pipe that is used for feeding liquid or goes out the feed liquid, the top of the evaporation tank jar body still is provided with the sample connection that the accessible syringe took a sample or pours into the raw materials into, the bottom of the evaporation tank jar body is provided with and is used for right the evaporation tank jar body carries out the heater block that heats, be provided with on the evaporation tank jar body and be used for measuring the temperature measurement part of the internal feed liquid temperature of evaporation tank.
In a preferred embodiment of the utility model, a pressure gauge is arranged on the tank body of the evaporation kettle.
In a preferred embodiment of the present invention, a first on-off valve is provided on the intake pipe.
In a preferred embodiment of the present invention, a second switch valve is disposed on the feed pipe.
In a preferred embodiment of the utility model, the heating element is a heating jacket.
In a preferred embodiment of the present invention, the temperature measuring part is a thermocouple, the thermocouple is connected to the heating part, and the thermocouple is inserted into the evaporation tank body.
In a preferred embodiment of the present invention, the gas inlet pipe and the feed liquid pipe are stainless steel pipes.
In a preferred embodiment of the utility model, the tank body of the evaporation kettle is made of stainless steel.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model can ensure complete vaporization, has little influence on human health, and can separate volatile impurities and non-volatile impurities in the liquid raw material from the raw material by adjusting the heating temperature, thereby achieving the purpose of reducing the impurities.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below.
Referring to fig. 1 to 2, the evaporation tank for gas distribution includes an evaporation tank body 10, and the evaporation tank body 10 in this embodiment is made of stainless steel. Specifically, the evaporation tank 10 is spherical, and the volume of the evaporation tank 10 is 2L. An air inlet pipe 11 used for being connected with an external air distribution device or a vacuum pump is arranged at the top of the evaporation kettle tank body 10, a material liquid pipe 12 used for feeding liquid or discharging liquid is arranged at the bottom of the evaporation kettle tank body 10, the air inlet pipe 11 and the material liquid pipe 12 in the embodiment are made of stainless steel pipes, the pipe diameter of the air inlet pipe 11 is one-fourth inch, and the pipe diameter of the material liquid pipe 12 is one-eighth inch. The top of the evaporation kettle tank is also provided with a sampling port 14 through which a syringe can sample or inject raw materials, the bottom of the evaporation kettle tank 10 is provided with a heating component 20 for heating the evaporation kettle tank 10, and the heating component 20 is preferably a heating jacket. The tank body 10 of the evaporation kettle is provided with a temperature measuring component 30 for measuring the temperature of the feed liquid in the tank body 10 of the evaporation kettle, the temperature measuring component 30 is preferably a thermocouple, the thermocouple is connected with the heating component 20, and the thermocouple is inserted into the tank body 10 of the evaporation kettle. The thermocouple is used for measuring the temperature of the liquid raw material in the evaporation kettle tank body 10, and can feed back the temperature to the heating jacket, so that the heating jacket can control the temperature.
In order to measure the pressure index of the tank of the evaporation kettle, a pressure gauge 13 is arranged on the tank 10 of the evaporation kettle. The pressure gauge 13 in this embodiment is a vacuum gauge.
In order to control the opening and closing of the intake pipe and the feed pipe, a first opening and closing valve 11a is provided in the intake pipe 11, and a second opening and closing valve 12a is provided in the feed pipe 12.
The utility model has the following steps:
1. vacuumizing: connecting an air inlet pipe 11 with a vacuum pump, opening a first switch valve 11a and the vacuum pump, and pumping the interior of the tank body 10 of the evaporation kettle to be less than-0.08 MPa;
2. filling raw materials: the first switch valve 11a and the vacuum pump are closed, the feed liquid pipe 12 is inserted into the feed liquid, the second switch valve 12a is opened, and the second switch valve 12a is closed after the feed liquid is automatically sucked into the evaporation kettle tank 10. Or the feed liquid is injected into the evaporation kettle tank body 10 by a syringe through the sampling port 14.
3) Heating: and (3) starting the heating sleeve 20, setting the temperature, opening the first switch valve 11a and the vacuum pump after the temperature is stable, extracting for 30 seconds, discharging steam of volatile impurities in the feed liquid, sampling and analyzing through the sampling port 14 to detect whether the raw material gas meets the requirement, and then closing the first switch valve 11a and the vacuum pump.
4) Filling a gas cylinder: the air inlet pipe 11 is connected with a pipeline of an air distribution device, the evaporation kettle tank body 10 is taken as a middle bottle, and the operation is carried out by a weighing air distribution method.
5) Cleaning of the tank body of the evaporation kettle: after the evaporation kettle tank body 10 is cooled, high-purity nitrogen is added into the evaporation kettle tank body 10 through the air inlet pipe 11 to enable the reading of the pressure gauge 13 to be 0.10MPa, then the second switch valve 12a is opened, the unused feed liquid can flow out of the feed liquid pipe 12, after the feed liquid does not flow out, the high-purity nitrogen is continuously blown into the evaporation kettle tank body 10 through the air inlet pipe 11 and used for blowing the evaporation kettle tank body 10 and the feed liquid pipe 12, the pressure is kept at 0.01MPa, and 5 minutes later are blown. The first switch valve 11a and the second switch valve 12a are closed, the air inlet pipe 11 is connected to a vacuum pump, the air inlet pipe 11 and the heating sleeve 20 are started, the heating temperature is higher than the boiling point of the raw material liquid, the evaporation kettle tank 10 can be flushed with high-purity nitrogen in the period, a gas sample is taken through the sampling port 14 to check whether the inside of the evaporation kettle tank 10 is clean or not, the temperature is reduced after the cleaning is finished, and 0.1MPa of high-purity nitrogen is flushed into the evaporation kettle tank 10 to close all valves.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an evaporation kettle for distribution, its characterized in that, includes the evaporation tank jar body, the top of the evaporation tank jar body is provided with the intake pipe that is used for with external distribution device or vacuum pump connection, the bottom of the evaporation tank jar body is provided with the feed liquid pipe that is used for feeding liquid or goes out the feed liquid, the top of the evaporation tank jar body still is provided with the sample connection that the accessible syringe took a sample or pours into the raw materials into, the bottom of the evaporation tank jar body is provided with and is used for right the evaporation tank jar body carries out the heater block that heats, be provided with on the evaporation tank jar body and be used for measuring the temperature measurement part of the internal feed liquid temperature of evaporation tank.
2. An evaporation kettle for gas distribution according to claim 1, wherein a pressure gauge is arranged on the tank body of the evaporation kettle.
3. An evaporation kettle for gas distribution according to claim 1, wherein a first switch valve is arranged on the gas inlet pipe.
4. A gas distribution evaporation kettle according to claim 1, wherein a second switch valve is arranged on the feed pipe.
5. An evaporation kettle for gas distribution according to claim 1, wherein the heating element is a heating jacket.
6. An evaporation kettle for gas distribution according to claim 1, wherein the temperature measuring component is a thermocouple, the thermocouple is connected with the heating component, and the thermocouple is inserted into the evaporation kettle tank body.
7. An evaporation kettle for gas distribution according to claim 1, wherein the gas inlet pipe and the liquid material pipe are stainless steel pipes.
8. A gas distribution evaporation kettle according to claim 1, wherein the evaporation kettle tank body is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124539.2U CN216755403U (en) | 2021-12-13 | 2021-12-13 | Evaporation kettle for gas distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124539.2U CN216755403U (en) | 2021-12-13 | 2021-12-13 | Evaporation kettle for gas distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216755403U true CN216755403U (en) | 2022-06-17 |
Family
ID=81967922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124539.2U Active CN216755403U (en) | 2021-12-13 | 2021-12-13 | Evaporation kettle for gas distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216755403U (en) |
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2021
- 2021-12-13 CN CN202123124539.2U patent/CN216755403U/en active Active
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