CN217684453U - Automatic inflation protection device - Google Patents
Automatic inflation protection device Download PDFInfo
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- CN217684453U CN217684453U CN202221383680.6U CN202221383680U CN217684453U CN 217684453 U CN217684453 U CN 217684453U CN 202221383680 U CN202221383680 U CN 202221383680U CN 217684453 U CN217684453 U CN 217684453U
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- gas
- vacuum distillation
- guide pipe
- protection mechanism
- air duct
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Abstract
The utility model relates to a purification technical field specifically is an automatic inflation protection device. The vacuum distillation kettle comprises a gas cylinder, wherein a gas outlet of the gas cylinder and an inflation inlet of the vacuum distillation kettle are respectively connected with a three-way pipe, a first gas guide pipe and a second gas guide pipe are oppositely connected between spare ports of the two three-way pipes, a power-off protection mechanism is arranged on the first gas guide pipe, and a gas leakage protection mechanism is arranged on the second gas guide pipe. When the outage, power protection mechanism begins work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via first air duct in, and when vacuum distillation cauldron leaked gas, gas leakage protection mechanism began work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via the second air duct in, the utility model discloses can guarantee that the distillation process is not disturbed by the external factor of outage and gas leakage, can not cause metal oxidation, guarantee productivity and time limit for a project.
Description
Technical Field
The utility model relates to a purification technical field specifically is an automatic inflation protection device.
Background
The vacuum distillation kettle is used in the metal purification process, the vacuum distillation is carried out under reduced pressure and is generally used for separating substances which are easy to decompose when the substances are heated to the boiling point under normal pressure, or is combined with other distillation methods (such as steam distillation) to reduce the distillation temperature and improve the separation efficiency, but due to the external factors of insurmountability, power failure or air leakage can occur in the distillation process, when air leaks, negative pressure exists in the vacuum distillation kettle, the vacuum pump continues to work, air is sucked into the vacuum distillation kettle from the air leakage position to cause metal oxidation, when the power failure occurs, the vacuum pump stops working, negative pressure exists in the vacuum distillation kettle, gas in equipment connected with the vacuum distillation kettle can be continuously extracted due to the pressure effect, metal oxidation is caused, the productivity is reduced when the air leakage or the power failure occurs, and the construction period is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem and provide an automatic inflation protection device which can prevent metal oxidation under the interference of external conditions.
The utility model provides a problem, the technical scheme who adopts is:
an automatic inflation protection device comprises a gas cylinder, wherein a gas outlet of the gas cylinder and an inflation inlet of a vacuum distillation kettle are respectively connected with a three-way pipe, a first gas guide pipe and a second gas guide pipe are oppositely connected between spare ports of the two three-way pipes, a power-off protection mechanism is arranged on the first gas guide pipe, and a gas leakage protection mechanism is arranged on the second gas guide pipe.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
when the outage, power protection mechanism begins work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via first air duct in, and when vacuum distillation cauldron leaked gas, gas leakage protection mechanism began work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via the second air duct in, the utility model discloses can guarantee that the distillation process does not receive the external factor disturbance of outage and gas leakage, can not cause metal oxidation, guarantee productivity and time limit for a project.
Preferably, the present invention further provides:
the power-off protection mechanism comprises a normally open electromagnetic valve connected to the first air duct, and the normally open electromagnetic valve is electrically connected with a power supply.
The air leakage protection mechanism comprises a normally closed electromagnetic valve connected to the second air duct, a pressure switch is connected to the vacuum distillation kettle, and the pressure switch is electrically connected with the normally closed electromagnetic valve and the power supply respectively.
Drawings
Fig. 1 is a schematic front view of an automatic inflation protection device according to an embodiment of the present invention;
labeled as: the device comprises a gas cylinder 1, a vacuum distillation kettle 2, a three-way pipe 3, a first gas guide pipe 4, a second gas guide pipe 5, a normally open electromagnetic valve 6, a power supply 7, a normally closed electromagnetic valve 8 and a pressure switch 9.
Detailed Description
The invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
An automatic inflation protection device comprises a gas cylinder 1, argon protection gas is filled in the gas cylinder 1, a gas outlet of the gas cylinder 1 and an inflation inlet of a vacuum distillation kettle 2 are respectively connected with three-way pipes 3, a first gas guide pipe 4 and a second gas guide pipe 5 are connected between spare ports of the two three-way pipes 3, a power-off protection mechanism is arranged on the first gas guide pipe 4, and a gas leakage protection mechanism is arranged on the second gas guide pipe 5.
The power-off protection mechanism comprises a normally open electromagnetic valve 6 connected to the first air duct 4, the normally open electromagnetic valve 6 is electrically connected with a power supply 7, the normally open electromagnetic valve 6 is connected with the power supply 7 during normal working, the normally open electromagnetic valve 6 is in a closed state, when the power is off, the normally open electromagnetic valve 6 is disconnected with the power supply 7, the normally open electromagnetic valve 6 is opened, and protective gas enters the vacuum distillation kettle 2 through the first air duct 4.
Air leakage protection mechanism is including connecting the normally closed solenoid valve 8 on second air duct 5, be connected with pressure switch 9 on the vacuum distillation cauldron 2, pressure switch 9 is automatically controlled with normally closed solenoid valve 8 and power 7 respectively and is connected, pressure switch 9 is equipped with the threshold value, pressure switch 9 is the route when 2 interior atmospheric pressure of vacuum distillation cauldron is higher than the threshold value, pressure switch 9 is the circuit break when 2 interior atmospheric pressure of vacuum distillation cauldron is less than the threshold value, draw to the negative pressure state in with vacuum distillation cauldron 2 during normal operating vacuum pump, break off mutually between normally closed solenoid valve 8 and the pressure switch 9, normally closed solenoid valve 8 is the closure state, when 2 gas leakage of vacuum distillation cauldron, vacuum distillation cauldron 2 absorbs ambient air and leads to atmospheric pressure to rise gradually, when atmospheric pressure is greater than the threshold value, normally closed solenoid valve 8, pressure switch 9 and power 7 form the route, normally closed solenoid valve 8 is opened, protective gas gets into vacuum distillation cauldron 2 via second air duct 5.
When the outage, power protection mechanism begins work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via first air duct in, and when vacuum distillation cauldron leaked gas, gas leakage protection mechanism began work, guarantees that the protective gas in the gas cylinder can get into vacuum distillation cauldron via the second air duct in, the utility model discloses can guarantee that the distillation process is not disturbed by the external factor of outage and gas leakage, can not cause metal oxidation, guarantee productivity and time limit for a project.
The above description is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention, which is intended to be encompassed by the present invention, unless otherwise indicated by the appended claims.
Claims (3)
1. The utility model provides an automatic inflation protection device, includes the gas cylinder, its characterized in that: the gas outlet of the gas cylinder and the gas charging port of the vacuum distillation kettle are respectively connected with a three-way pipe, a first gas guide pipe and a second gas guide pipe are oppositely connected between the spare ports of the two three-way pipes, the first gas guide pipe is provided with a power-off protection mechanism, and the second gas guide pipe is provided with a gas leakage protection mechanism.
2. The automatic inflation protection device of claim 1, wherein: the power-off protection mechanism comprises a normally open electromagnetic valve connected to the first air duct, and the normally open electromagnetic valve is electrically connected with a power supply.
3. The automatic inflation protection device of claim 1, wherein: the air leakage protection mechanism comprises a normally closed electromagnetic valve connected to the second air duct, a pressure switch is connected to the vacuum distillation kettle, and the pressure switch is electrically connected with the normally closed electromagnetic valve and the power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383680.6U CN217684453U (en) | 2022-06-06 | 2022-06-06 | Automatic inflation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221383680.6U CN217684453U (en) | 2022-06-06 | 2022-06-06 | Automatic inflation protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217684453U true CN217684453U (en) | 2022-10-28 |
Family
ID=83704980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221383680.6U Active CN217684453U (en) | 2022-06-06 | 2022-06-06 | Automatic inflation protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217684453U (en) |
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2022
- 2022-06-06 CN CN202221383680.6U patent/CN217684453U/en active Active
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