CN221062630U - Volatile liquid airtight feeding device - Google Patents
Volatile liquid airtight feeding device Download PDFInfo
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- CN221062630U CN221062630U CN202323016317.8U CN202323016317U CN221062630U CN 221062630 U CN221062630 U CN 221062630U CN 202323016317 U CN202323016317 U CN 202323016317U CN 221062630 U CN221062630 U CN 221062630U
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- Prior art keywords
- cavity
- pipeline
- control valve
- nitrogen
- volatile liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 50
- 239000007789 gas Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a volatile liquid airtight feeding device which comprises a fixed shell, wherein a first spacing baffle and a second spacing baffle are arranged in the fixed shell, the inside of the fixed shell is sequentially divided into an explosion-proof cavity, a high-pressure cavity and a storage cavity which are sealed relatively independently from top to bottom through the first spacing baffle and the second spacing baffle, the high-pressure cavity is communicated with one end of a first nitrogen pipeline, the explosion-proof cavity is communicated with one end of a first backflow pipeline, and the other ends of the first nitrogen pipeline and the first backflow pipeline are both connected with a first sealing cover and penetrate through the top end wall of the first sealing cover; the high-pressure cavity is communicated with the top end of the storage cavity through a second nitrogen pipeline, the storage cavity is communicated with one end of a first extraction pipeline, and the other end of the first extraction pipeline is connected with a second sealing cover and penetrates through the end wall of one end of the second sealing cover.
Description
Technical Field
The utility model relates to the field of chemical pharmacy, in particular to a volatile liquid airtight feeding device.
Background
In the field of chemical pharmacy, materials are generally directly extracted in vacuum or a kettle cover of a reaction kettle is opened to pour the materials when the materials are required to be added, and the operation mode is easy to volatilize smell and affects the environment protection; when materials are put in the reaction kettle, air and the materials enter the reaction kettle together, and after the air contacts with flammable and explosive solvents in the reaction kettle, explosive mixed gas is formed, and potential safety hazards such as fire and explosion can be caused when static electricity or other ignition sources are encountered; the patent No. zl201720057112.X discloses a safe storage tank for liquid volatile medicines for chemical experiments, which effectively realizes safe storage operation of volatile materials, but does not solve the problem of safe addition of volatile materials from a material barrel to a reaction kettle, and needs to be improved.
Disclosure of Invention
The utility model aims to solve the problems and provide the volatile liquid airtight feeding device which is simple in structure and improves the safety performance.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
The utility model provides a sealed feeding device of volatile liquid, includes fixed casing, be provided with first interval baffle, second interval baffle in the fixed casing and divide into relatively independent sealed explosion-proof cavity, high pressure cavity, storage cavity from top to bottom in proper order with fixed casing inside through first interval baffle, second interval baffle, high pressure cavity is linked together with one end of first nitrogen gas pipeline, explosion-proof cavity is linked together with one end of first backward flow pipeline, the other end of first nitrogen gas pipeline, first backward flow pipeline is all connected with first sealed lid and passes first sealed lid top end wall; the high-pressure cavity is communicated with the top end of the storage cavity through a second nitrogen pipeline, the storage cavity is communicated with one end of a first extraction pipeline, and the other end of the first extraction pipeline is connected with a second sealing cover and penetrates through the end wall of one end of the second sealing cover.
Further, a first control valve for controlling the opening and closing states of the first nitrogen pipeline is arranged on the first nitrogen pipeline, and a second control valve for controlling the opening and closing states of the first reflux pipeline is arranged on the first reflux pipeline; the second nitrogen pipeline is provided with a third control valve for controlling the opening and closing states of the second nitrogen pipeline; and a fourth control valve for controlling the opening and closing states of the first extraction pipeline is arranged on the first extraction pipeline.
Further, an exhaust outlet is arranged at one side of the explosion-proof cavity, and a fifth control valve for controlling the opening and closing states of the exhaust outlet is arranged at the exhaust outlet; the outside of the explosion-proof cavity is provided with a first air pressure gauge for monitoring the air pressure state in the explosion-proof cavity.
Furthermore, one side of the high-pressure cavity is provided with an inflation inlet, and a one-way valve which enables nitrogen to be only filled into the high-pressure cavity in one direction is arranged in the inflation inlet; the outside of the high-pressure cavity is provided with a second barometer for monitoring the air pressure state in the high-pressure cavity.
Further, a vacuumizing port is arranged at one side of the top end of the storage cavity, and a sixth control valve for controlling the opening and closing states of the vacuumizing port is arranged in the vacuumizing port; a discharge hole is formed in one side of the bottom end of the storage cavity, and a seventh control valve for controlling the opening and closing states of the discharge hole is arranged in the discharge hole.
Further, an observation window made of transparent materials is arranged on one side of the storage cavity, and longitudinal scale marks are arranged on the observation window.
Furthermore, the bottom end of the fixed shell is connected with a universal travelling wheel which can be conveniently moved.
Compared with the prior art, the utility model has the advantages and positive effects that:
According to the utility model, by adopting the design that the first nitrogen pipeline is arranged at one side of the high-pressure cavity, the first backflow pipeline is arranged at one side of the explosion-proof cavity and is connected with the first sealing cover, when materials are added, the high-pressure nitrogen is firstly filled in the high-pressure cavity, then the first sealing cover is covered on the barrel mouth of the material barrel, so that the high-pressure nitrogen in the high-pressure cavity enters the material barrel and the volatile gas in the material barrel flows back into the explosion-proof cavity through the first backflow pipeline, the material taking environment in the material barrel is protected and the leakage of the volatile gas of the material is avoided; then the storage cavity is vacuumized by a vacuum pump, a second sealing cover is covered on a bottom discharge hole of the material barrel, and materials in the material barrel are pumped into the storage cavity; finally, moving the fixed shell to the position of the reaction kettle, connecting the storage cavity with the reaction kettle pipeline, and opening a second nitrogen pipeline, wherein when materials in the storage cavity are added into the reaction kettle, nitrogen in the high-pressure cavity is synchronously supplemented into the storage cavity; the situation that air and materials are mixed is avoided in the whole material transferring and adding process, so that the situation that explosive mixed gas is formed in the reaction kettle along with the materials is avoided, the potential safety hazard in the material adding process is solved, and the safety of chemical pharmaceutical production is effectively guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.
As shown in fig. 1, this embodiment discloses a volatile liquid airtight feeding device, which comprises a fixed housing 1, wherein the bottom end of the fixed housing 1 is connected with a universal travelling wheel 10 which can be conveniently moved, a first spacing baffle 108 and a second spacing baffle 109 are arranged in the fixed housing 1, the inside of the fixed housing 1 is divided into an explosion-proof cavity 101, a high-pressure cavity 102 and a storage cavity 103 which are relatively and independently sealed from top to bottom in sequence by the first spacing baffle 108 and the second spacing baffle 109, the high-pressure cavity 102 is communicated with one end of a first nitrogen pipeline 2, the explosion-proof cavity 101 is communicated with one end of a first backflow pipeline 3, and the other ends of the first nitrogen pipeline 2 and the first backflow pipeline 3 are connected with a first sealing cover 4 and penetrate through the top end wall of the first sealing cover 4; the top ends of the high-pressure cavity 102 and the storage cavity 103 are communicated through a second nitrogen pipeline 5, the storage cavity 103 is communicated with one end of the first extraction pipeline 6, and the other end of the first extraction pipeline 6 is connected with the second sealing cover 7 and penetrates through the end wall of one end of the second sealing cover 7.
The first nitrogen pipeline 2 is provided with a first control valve 201 for controlling the opening and closing states of the first nitrogen pipeline 2, and the first backflow pipeline 3 is provided with a second control valve 301 for controlling the opening and closing states of the first backflow pipeline 3; a third control valve 501 for controlling the on-off state of the second nitrogen pipeline 5 is arranged on the second nitrogen pipeline 5; the first extraction pipeline 6 is provided with a fourth control valve 601 for controlling the opening and closing states of the first extraction pipeline 6.
When the nitrogen replacement operation in the material barrel is carried out, the second control valve is firstly opened, then the first control valve is opened, so that the high-pressure nitrogen and the material volatile gas in the material barrel can be subjected to the replacement operation, the replaced volatile gas is returned into the explosion-proof cavity, the leakage of the volatile gas to pollute the environment is avoided, and the first control valve and the second control valve are closed after the replacement is finished;
after the vacuum state is adopted in the storage cavity, the first extraction pipeline is communicated with the discharge hole at the bottom of the material barrel, the fourth control valve is opened, the material extraction operation can be realized, and the fourth control valve is closed after the extraction is finished.
When the materials are added into the reaction kettle, after the pipeline between the storage cavity and the reaction kettle is connected, the third control valve is opened, so that nitrogen can enter the storage cavity, the materials in the storage cavity enter the reaction kettle at the same time, and the third control valve is closed before the addition is completed.
An exhaust outlet 104 is arranged at one side of the explosion-proof cavity 101, and a fifth control valve 1041 for controlling the opening and closing states of the exhaust outlet 104 is arranged in the exhaust outlet 104; the outside of the explosion-proof cavity 101 is provided with a first barometer 8 for monitoring the air pressure state in the explosion-proof cavity 101.
The material volatile gas in the explosion-proof cavity can be extracted to carry out centralized purification treatment, and when the material volatile gas is extracted, the opening state of the exhaust outlet can be controlled through a fifth control valve.
An inflation inlet 105 is arranged at one side of the high-pressure cavity 102, and a one-way valve 1051 which enables nitrogen to be only filled into the high-pressure cavity 102 in one way is arranged in the inflation inlet 105; the outside of the high-pressure cavity 102 is provided with a second barometer 9 for monitoring the air pressure state in the high-pressure cavity 102.
A vacuumizing port 106 is arranged at one side of the top end of the storage cavity 103, and a sixth control valve 1061 for controlling the opening and closing states of the vacuumizing port 106 is arranged in the vacuumizing port 106; a discharge port 107 is arranged at one side of the bottom end of the storage cavity 103, and a seventh control valve 1071 for controlling the opening and closing states of the discharge port 107 is arranged in the discharge port 107.
When the storage cavity is vacuumized, the vacuumizing port is only connected with the vacuum pump, the sixth control valve is opened, and the sixth control valve is closed after the vacuumizing is finished; the discharge port is used for being connected with a reaction kettle pipeline, the seventh control valve is opened when the material adding operation is carried out, and the seventh control valve is closed after the material adding operation is finished.
One side of the storage cavity 103 is provided with an observation window 11 made of transparent materials, and the observation window 11 is provided with longitudinal graduation marks 12. The observation window can facilitate people to check the height of the extracted materials in the storage cavity.
According to the utility model, by adopting the design that the first nitrogen pipeline is arranged at one side of the high-pressure cavity, the first backflow pipeline is arranged at one side of the explosion-proof cavity and is connected with the first sealing cover, when materials are added, the high-pressure nitrogen is firstly filled in the high-pressure cavity, then the first sealing cover is covered on the barrel mouth of the material barrel, so that the high-pressure nitrogen in the high-pressure cavity enters the material barrel and the volatile gas in the material barrel flows back into the explosion-proof cavity through the first backflow pipeline, the material taking environment in the material barrel is protected and the leakage of the volatile gas of the material is avoided; then the storage cavity is vacuumized by a vacuum pump, a second sealing cover is covered on a bottom discharge hole of the material barrel, and materials in the material barrel are pumped into the storage cavity; finally, moving the fixed shell to the position of the reaction kettle, connecting the storage cavity with the reaction kettle pipeline, and opening a second nitrogen pipeline, wherein when materials in the storage cavity are added into the reaction kettle, nitrogen in the high-pressure cavity is synchronously supplemented into the storage cavity; the situation that air and materials are mixed is avoided in the whole material transferring and adding process, so that the situation that explosive mixed gas is formed in the reaction kettle along with the materials is avoided, the potential safety hazard in the material adding process is solved, and the safety of chemical pharmaceutical production is effectively guaranteed.
Claims (7)
1. The utility model provides a sealed feeding device of volatile liquid, includes fixed casing, its characterized in that: the inside of the fixed shell is divided into an explosion-proof cavity, a high-pressure cavity and a storage cavity which are sealed relatively independently from top to bottom in sequence by the first partition plate and the second partition plate, the high-pressure cavity is communicated with one end of a first nitrogen pipeline, the explosion-proof cavity is communicated with one end of a first backflow pipeline, and the other ends of the first nitrogen pipeline and the first backflow pipeline are connected with a first sealing cover and penetrate through the top end wall of the first sealing cover; the high-pressure cavity is communicated with the top end of the storage cavity through a second nitrogen pipeline, the storage cavity is communicated with one end of a first extraction pipeline, and the other end of the first extraction pipeline is connected with a second sealing cover and penetrates through the end wall of one end of the second sealing cover.
2. The volatile liquid containment feed apparatus of claim 1, wherein: the first nitrogen pipeline is provided with a first control valve for controlling the opening and closing states of the first nitrogen pipeline, and the first backflow pipeline is provided with a second control valve for controlling the opening and closing states of the first backflow pipeline; the second nitrogen pipeline is provided with a third control valve for controlling the opening and closing states of the second nitrogen pipeline; and a fourth control valve for controlling the opening and closing states of the first extraction pipeline is arranged on the first extraction pipeline.
3. The volatile liquid containment feed apparatus of claim 2, wherein: an exhaust outlet is arranged at one side of the explosion-proof cavity, and a fifth control valve for controlling the opening and closing states of the exhaust outlet is arranged at the exhaust outlet; the outside of the explosion-proof cavity is provided with a first air pressure gauge for monitoring the air pressure state in the explosion-proof cavity.
4. A volatile liquid containment feed apparatus as set forth in claim 3 wherein: an inflation inlet is formed in one side of the high-pressure cavity, and a one-way valve which enables nitrogen to be only filled into the high-pressure cavity in one way is arranged in the inflation inlet; the outside of the high-pressure cavity is provided with a second barometer for monitoring the air pressure state in the high-pressure cavity.
5. The volatile liquid containment feed apparatus of claim 4, wherein: a vacuumizing port is arranged at one side of the top end of the storage cavity, and a sixth control valve for controlling the opening and closing states of the vacuumizing port is arranged in the vacuumizing port; a discharge hole is formed in one side of the bottom end of the storage cavity, and a seventh control valve for controlling the opening and closing states of the discharge hole is arranged in the discharge hole.
6. The volatile liquid containment feed apparatus of claim 5, wherein: one side of the storage cavity is provided with an observation window made of transparent materials, and longitudinal scale marks are arranged on the observation window.
7. The volatile liquid containment feed apparatus of claim 6, wherein: the bottom end of the fixed shell is connected with a universal travelling wheel which can be conveniently moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016317.8U CN221062630U (en) | 2023-11-08 | 2023-11-08 | Volatile liquid airtight feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016317.8U CN221062630U (en) | 2023-11-08 | 2023-11-08 | Volatile liquid airtight feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221062630U true CN221062630U (en) | 2024-06-04 |
Family
ID=91249510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323016317.8U Active CN221062630U (en) | 2023-11-08 | 2023-11-08 | Volatile liquid airtight feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221062630U (en) |
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2023
- 2023-11-08 CN CN202323016317.8U patent/CN221062630U/en active Active
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