CN216844152U - Zero-leakage switching system for dangerous liquid storage bottle - Google Patents
Zero-leakage switching system for dangerous liquid storage bottle Download PDFInfo
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- CN216844152U CN216844152U CN202123115324.4U CN202123115324U CN216844152U CN 216844152 U CN216844152 U CN 216844152U CN 202123115324 U CN202123115324 U CN 202123115324U CN 216844152 U CN216844152 U CN 216844152U
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- Prior art keywords
- pipeline
- liquid storage
- liquid
- valve
- storage bottle
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- 239000007788 liquid Substances 0.000 title claims abstract description 130
- 238000003860 storage Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 231100001261 hazardous Toxicity 0.000 claims abstract description 52
- 238000010521 absorption reaction Methods 0.000 claims abstract description 50
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 230000010405 clearance mechanism Effects 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 208000009043 Chemical Burns Diseases 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a zero switching system that leaks of dangerous liquid storage bottle for solve the pipeline that current dangerous liquid storage bottle exists like the liquid ammonia steel bottle when switching over in the reaction process and remain liquid harm staff's technical problem safe. The utility model discloses a hazardous liquid storage bottle, hazardous liquid storage bottle are linked together with pipeline raffinate clearance mechanism and pipeline shifter respectively through the pipeline, and the pipeline shifter is linked together with reaction mechanism and hazardous liquid absorption mechanism through the pipeline respectively. The utility model discloses an effective cooperation of pipeline raffinate clearance mechanism and hazardous liquid absorption mechanism utilizes the three-way valve to carry out the pipeline and switches, and hazardous liquid does not have when guaranteeing the replacement of hazardous liquid storage bottle and leaks, promotes the work security, and when installing and dismantling, the staff need not to carry out safety protection, need not to install preceding detection, the effectual installation rate who promotes hazardous liquid storage bottle is favorable to promoting work efficiency.
Description
Technical Field
The utility model relates to a chemical reaction pipe-line system's technical field especially relates to a zero switching system that leaks of hazardous liquid storage bottle.
Background
In present chemical product production preparation process, often can use some to produce the liquid of harm to the human body and participate in the reaction, these liquid often can use the storage bottle transportation storage, and the storage bottle of these dangerous liquids carries out the installation and the replacement in-process of participating in the reaction, can remain dangerous liquid in the pipeline, spout when the replacement, cause harm to the human body easily.
In the production of chemical products such as catalysts, liquid ammonia is a main production raw material for producing the catalysts, the liquid ammonia has strong pungent smell, and low-concentration ammonia can quickly generate irritation to eyes and moist skin. Exposure of moist skin or eyes to high concentrations of ammonia can cause severe chemical burns. Is easy to be liquefied into colorless liquid which can burn skin, eyes and mucous membranes of respiratory organs, and can cause lung swelling and even death due to excessive inhalation. Therefore, there must not be any form of discharge of liquid ammonia in the production.
There is the certain distance between current liquid ammonia steel bottle valve and the pipeline valve door, when switching the steel bottle operation, closes steel bottle bottleneck valve, closes the pipeline and cuts off the valve, then demolish steel bottle connecting screw thread, have surplus liquid ammonia and discharge when demolising, for guaranteeing operative employee's safety, need wear gloves, ammonia mask to take water spray measure, prevent that the ammonia from leaking. The water spray process can also result in icing of the nozzle or freezing injury to personnel. How to handle the remaining liquid ammonia in the pipeline when dismantling the steel bottle becomes the problem that the safety in production needs to be solved.
SUMMERY OF THE UTILITY MODEL
To the technical problem that the pipeline that current dangerous liquid storage bottle exists like the liquid ammonia steel bottle when switching over in the reaction sequence remains liquid harm staff safety, the utility model provides a zero leakage switched systems of dangerous liquid storage bottle, the intercommunication sets up a pipeline raffinate clearance mechanism on the circulation pipeline of dangerous liquid, accesss to through pipeline switching mechanism adjustment pipeline before the storage bottle replacement for in the pipeline raffinate clearance mechanism clears up the raffinate in the pipeline and inputs dangerous liquid absorption mechanism, guarantee that the dangerous liquid in the pipeline is not had residue, and then guarantee the zero leakage of dangerous liquid when the storage bottle switches over, promote the work safety.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows:
the utility model provides a zero switching system that leaks of hazardous liquid storage bottle, includes the hazardous liquid storage bottle, the hazardous liquid storage bottle is linked together with pipeline raffinate clearance mechanism and pipeline shifter respectively through the pipeline, and the pipeline shifter is linked together with reaction mechanism and hazardous liquid absorption mechanism through pipeline and respectively.
Further, the pipeline shifter includes the three-way valve, and the input of three-way valve is linked together with the bottle valve of hazardous liquid storage bottle and pipeline raffinate clearance mechanism respectively through the pipeline, and the first output of three-way valve is linked together through pipeline and reaction mechanism, and the second output of three-way valve is linked together through pipeline and hazardous liquid absorption mechanism.
Further, the pipeline residual liquid cleaning mechanism comprises a cleaning gas storage device and a cleaning gas valve, the output end of the cleaning gas storage device is communicated with the cleaning gas valve through a pipeline, and the cleaning gas valve is respectively communicated with the input end of the three-way valve and the bottle body valve through pipelines.
Further, the purge gas includes nitrogen gas.
Further, the hazardous liquid includes liquid ammonia.
Further, the dangerous liquid absorption mechanism comprises a de-injection absorption valve, a second output end of the three-way valve is communicated with a vacuum pump through a pipeline and the de-injection absorption valve, the vacuum pump is communicated with an absorption tank and a circulating pump through pipelines respectively, the circulating pump is communicated with the absorption tank through a pipeline, and absorption liquid is arranged in the absorption tank.
Further, the absorption liquid comprises water, and the vacuum pump is a hydraulic vacuum pump.
Further, the reaction mechanism comprises a high-pressure ball valve, one end of the high-pressure ball valve is communicated with the first output end of the three-way valve through a pipeline, and the other end of the high-pressure ball valve is communicated with the reactor through a pipeline.
Further, the three-way valve is an L-shaped three-way valve or a T-shaped three-way valve.
Furthermore, the dangerous liquid storage bottle is respectively communicated with the cleaning gas valve of the pipeline residual liquid cleaning mechanism and the three-way valve of the pipeline switching mechanism to form metal corrugated pipes.
The utility model has the advantages that:
1. the utility model discloses use the process that the three-way valve participated in the chemical products preparation reaction with dangerous liquid and carried out the process of clearing up with the raffinate to the pipeline to distinguish, at first, when carrying out the raffinate clearance in the pipeline, utilize the vacuum pump to form vacuum environment in the pipeline earlier, extract fast to the raffinate, the raffinate gets into in the absorption tank and circulates through the circulating pump and absorb, the security when tentatively reducing the raffinate in the pipeline, assurance dangerous liquid storage bottle replacement.
2. The utility model discloses use clearance gas storage ware to provide clearance gas in through clearance gas valve entering pipeline, clear up the raffinate in the pipeline under the pressure effect, further reduce the raffinate in the pipeline, dangerous liquid does not have the leakage when guaranteeing the replacement of dangerous liquid storage bottle, promote the work safety nature, and when installing and dismantling, the staff need not to carry out safety protection, need not to install preceding detection, the effectual installation rate who promotes dangerous liquid storage bottle is favorable to promoting work efficiency.
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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a dangerous liquid storage bottle, 101-a bottle body valve, 2-a pipeline, 3-a three-way valve, 4-a cleaning gas storage, 5-a cleaning gas valve, 6-a de-injection absorption valve, 7-a vacuum pump, 8-an absorption tank, 9-a circulating pump, 10-a high-pressure ball valve and 11-a reactor.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
A zero-leakage switching system for a dangerous liquid storage bottle is shown in figure 1 and comprises a dangerous liquid storage bottle 1, wherein the dangerous liquid storage bottle 1 is communicated with a pipeline residual liquid cleaning mechanism and a pipeline switching mechanism through a pipeline 2 respectively, and the pipeline switching mechanism is communicated with a reaction mechanism and a dangerous liquid absorption mechanism through a pipeline 2 respectively.
During the process of mounting and dismounting the dangerous liquid storage bottle 1, when the old dangerous liquid storage bottle 1 is dismounted, the joint of the pipeline 2 and the old dangerous liquid storage bottle 1 is closed, the pipeline switching mechanism is adjusted to enable the pipeline residual liquid cleaning mechanism to be communicated with the dangerous liquid absorption mechanism, the reaction mechanism is closed, the pipeline residual liquid cleaning mechanism and the dangerous liquid absorption mechanism are opened, the pipeline residual liquid cleaning mechanism separates residual liquid in the pipeline 2 from the inner wall of the pipeline 2 and inputs the residual liquid into the dangerous liquid absorption mechanism, the dangerous liquid absorption mechanism absorbs the residual liquid to reduce the danger, after the residual liquid in the pipeline 2 is cleaned, the pipeline switching mechanism is adjusted to be communicated with the reaction mechanism, the pipeline residual liquid cleaning mechanism and the dangerous liquid absorption mechanism are closed, at the moment, the old dangerous liquid storage bottle 1 is dismounted, and the residual liquid in the pipeline 2 is cleaned, therefore, the pipeline 2 can not spray residual liquid, and the disassembly safety is higher; at this moment, with 1 dress of new hazardous liquid storage bottle, because no hazardous liquid remains in pipeline 2, consequently, the condition that hazardous liquid leaked can not appear when 1 installation of hazardous liquid storage bottle, guarantees the security of during operation, opens pipeline 2 and 1 junction of hazardous liquid storage bottle and communicates hazardous liquid storage bottle 1 and pipeline 2, opens reaction mechanism, carries out chemical production. In addition, when installing and dismantling, the staff need not to carry out safety protection, need not to install preceding detection, and the effectual installation rate who promotes hazardous liquid storage bottle 1 is favorable to promoting work efficiency.
It is worth explaining that, in this embodiment, in order to ensure the stability and effectiveness of the hazardous liquid during cleaning, the pipelines 2 used for communicating the hazardous liquid storage bottle 1 with the pipeline residual liquid cleaning mechanism and the pipeline switching mechanism respectively are all metal corrugated pipes, and the metal corrugated pipes have the characteristic of high temperature resistance, so that the heat generated by air pressure during cleaning the residual liquid can be ensured not to reduce the cleaning stability. In other embodiments of the present invention, other types of pipes can be used as the pipeline 2, as long as the stability and effectiveness of cleaning the residual liquid are achieved.
Further, as shown in fig. 1, the pipeline switching mechanism includes a three-way valve 3, an input end of the three-way valve 3 is respectively communicated with the bottle body valve 101 of the hazardous liquid storage bottle 1 and the pipeline residual liquid cleaning mechanism through a pipeline 2, a first output end of the three-way valve 3 is communicated with the reaction mechanism through the pipeline 2, and a second output end of the three-way valve 3 is communicated with the hazardous liquid absorption mechanism through the pipeline 2.
When carrying out the clearance of 2 raffinate on the pipeline, close reaction unit and bottle valve 101, close the first output of three-way valve 3, open the second output of three-way valve 3, open pipeline raffinate clearance mechanism and hazardous liquid absorption mechanism, pipeline raffinate clearance mechanism effectively clears up the raffinate in 2 pipelines and absorbs in dangerous liquid absorption mechanism through three-way valve 3's input and second output, guarantee that no hazardous liquid remains in 2 pipelines, at this moment, close pipeline raffinate clearance mechanism and hazardous liquid absorption mechanism, close three-way valve 3's second output, open three-way valve 3's first output, no hazardous liquid remains in 2 pipelines, can carry out the installation and the dismantlement of hazardous liquid storage bottle 1, and then guarantee the security of installation and dismantlement.
It should be noted that, in this embodiment, the three-way valve 3 is an L-shaped three-way valve, and in other embodiments of the present invention, other types of three-way valves such as a T-shaped three-way valve can be used as long as the object of the present invention is achieved.
Further, as shown in fig. 1, the pipeline residual liquid cleaning mechanism comprises a cleaning gas storage 4 and a cleaning gas valve 5, an output end of the cleaning gas storage 4 is communicated with the cleaning gas valve 5 through a pipeline 2, and the cleaning gas valve 5 is respectively communicated with an input end of the three-way valve 3 and the bottle valve 101 through a pipeline 2.
When pipeline raffinate clearance is carried out to needs, only need to close the first output of three-way valve 3, the second output is opened, open clearance gas valve 5 again, the clearance gas can be followed in clearance gas storage 4 through clearance gas valve 5 enter into pipeline 2 that remains hazardous liquid, under the effect of atmospheric pressure, blow the clearance to pipeline 2's raffinate, and drive the raffinate and get into hazardous liquid absorption mechanism through the second output and absorb, guarantee that the hazardous liquid in pipeline 2 does not have the residue, and then guarantee that no when hazardous liquid storage bottle 1 switches leaks.
Further, as shown in fig. 1, the hazardous liquid absorption mechanism includes a de-injection absorption valve 6, the second output end of the three-way valve 3 is communicated with a vacuum pump 7 through a pipeline 2 and the de-injection absorption valve 6, the vacuum pump 7 is respectively communicated with an absorption tank 8 and a circulating pump 9 through the pipeline 2, the circulating pump 9 is communicated with the absorption tank 8 through the pipeline 2, and absorption liquid is provided in the absorption tank 8.
Before using the clearance gas to clear up in the pipeline 2, at first, because the dangerous liquid that probably remains is more in the pipeline 2, consequently, open earlier and go to injection absorption valve 6, use vacuum pump 7 to carry out the vacuum extraction with pipeline 2 is inside, directly extract partial dangerous liquid and carry out the circulation absorption through circulating pump 9 in to the absorption tank 8, can effectively reduce the gaseous use amount of clearance.
Further, as shown in fig. 1, the reaction mechanism includes a high-pressure ball valve 10, one end of the high-pressure ball valve 10 is communicated with the first output end of the three-way valve 3 through a pipeline 2, and the other end of the high-pressure ball valve 10 is communicated with a reactor 11 through the pipeline 2. When chemical product preparation reaction is carried out, the high-pressure ball valve 10 is opened, and the high-pressure ball valve 10 pumps dangerous liquid into the reactor 11 for reaction.
It is worth to be noted that, specifically, in this embodiment, it is directed to that the hazardous liquid is liquid ammonia, the hazardous liquid storage bottle 1 is a liquid ammonia steel cylinder, and correspondingly, the purge gas is nitrogen gas, so that before the hazardous liquid storage bottle 1 is connected with the pipeline 2, the purge gas valve 5 is opened to ensure that the inside of the metal bellows is in a micro-positive pressure state, the bottle valve 101 connecting the metal bellows and the liquid ammonia steel cylinder is connected, after the connection is stable, the nitrogen gas cleans the inside of the metal bellows in a positive pressure state to ensure that no residue exists in the pipeline 2 before the connection, and at this time, the purge gas valve 5 is closed; when the liquid ammonia steel cylinder is normally used, the first output end of the three-way valve 3 is determined to be opened, the reaction mechanism and the bottle valve 101 are opened, and the ammonia water preparation reaction is started; when the pressure in the liquid ammonia steel cylinder is lower than a certain pressure and the liquid ammonia steel cylinder needs to be switched, the bottle body valve 101 and the reaction mechanism are closed, the second output end of the three-way valve 3 is opened, the first output end is closed, the jet absorption valve 6 is opened, the vacuum pump 7 is started to work, negative pressure is formed in the pipeline 2, residual liquid ammonia in the pipeline 2 can be pumped out, and the residual liquid ammonia enters the absorption tank 8 to be circularly absorbed through the circulating pump 9; and finally, when the pressure in the pipeline 2 is reduced to normal pressure, liquid ammonia is remained in the pipeline 2, the cleaning gas valve 5 is opened, the jet absorption valve 6 is closed, the cleaning gas valve 5 is kept, residual liquid in the pipeline 2 is cleaned, the metal corrugated pipe communicated with the dangerous liquid storage bottle 1 is removed, and the liquid ammonia steel bottle is replaced.
In this embodiment, in order to effectively absorb liquid ammonia, the absorption liquid in the absorption tank 8 is water, and the vacuum pump 7 is a hydraulic vacuum pump.
It should be noted that in other embodiments of the present invention, the hazardous liquid may also be liquid chlorine, and correspondingly, the absorption liquid is sodium hydroxide or potassium hydroxide.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a zero switching system that leaks of hazardous liquid storage bottle, its characterized in that, includes hazardous liquid storage bottle (1), hazardous liquid storage bottle (1) is linked together with pipeline raffinate clearance mechanism and pipeline shifter respectively through pipeline (2), the pipeline shifter is linked together with reaction mechanism and hazardous liquid absorption mechanism through pipeline (2) respectively.
2. The zero-leakage switching system for hazardous liquid storage bottles of claim 1, wherein the pipeline switching mechanism comprises a three-way valve (3), the input end of the three-way valve (3) is respectively communicated with the bottle body valve (101) of the hazardous liquid storage bottle (1) and the pipeline residual liquid cleaning mechanism through a pipeline (2), the first output end of the three-way valve (3) is communicated with the reaction mechanism through the pipeline (2), and the second output end of the three-way valve (3) is communicated with the hazardous liquid absorption mechanism through the pipeline (2).
3. The zero-leakage switching system for the storage bottles of dangerous liquid according to claim 2, wherein the pipeline residual liquid cleaning mechanism comprises a cleaning gas storage (4) and a cleaning gas valve (5), the output end of the cleaning gas storage (4) is communicated with the cleaning gas valve (5) through a pipeline (2), and the cleaning gas valve (5) is respectively communicated with the input end of the three-way valve (3) and the bottle valve (101) through a pipeline (2).
4. The zero leak switching system for a hazardous liquid storage bottle of claim 3, wherein the purge gas comprises nitrogen gas.
5. The zero leak switching system for hazardous liquid storage bottles of any of claims 2-4, wherein said hazardous liquid comprises liquid ammonia.
6. The zero-leakage switching system for the storage bottle of the dangerous liquid as claimed in claim 5, wherein the dangerous liquid absorbing mechanism comprises a de-injection absorbing valve (6), the second output end of the three-way valve (3) is communicated with a vacuum pump (7) through a pipeline (2) and the de-injection absorbing valve (6), the vacuum pump (7) is respectively communicated with an absorption tank (8) and a circulating pump (9) through the pipeline (2), the circulating pump (9) is communicated with the absorption tank (8) through the pipeline (2), and the absorption liquid is arranged in the absorption tank (8).
7. The zero-leak switching system for a hazardous liquid storage bottle according to claim 6, wherein the absorption liquid comprises water and the vacuum pump (7) is a hydraulic vacuum pump.
8. The zero-leakage switching system for dangerous liquid storage bottles of claim 1, 2, 4 or 6, wherein the reaction mechanism comprises a high-pressure ball valve (10), one end of the high-pressure ball valve (10) is communicated with the first output end of the three-way valve (3) through a pipeline (2), and the other end of the high-pressure ball valve (10) is communicated with a reactor (11) through the pipeline (2).
9. The zero-leak switching system for hazardous liquid storage bottles of claim 8, wherein the three-way valve (3) is an L-shaped three-way valve or a T-shaped three-way valve.
10. The zero-leakage switching system for dangerous liquid storage bottles of claim 1 or 2 or 4 or 6 or 7 or 9, wherein the pipelines (2) for communicating the dangerous liquid storage bottles (1) with the cleaning gas valve (5) of the pipeline residual liquid cleaning mechanism and the three-way valve (3) of the pipeline switching mechanism are all metal corrugated pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115324.4U CN216844152U (en) | 2021-12-13 | 2021-12-13 | Zero-leakage switching system for dangerous liquid storage bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115324.4U CN216844152U (en) | 2021-12-13 | 2021-12-13 | Zero-leakage switching system for dangerous liquid storage bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216844152U true CN216844152U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123115324.4U Expired - Fee Related CN216844152U (en) | 2021-12-13 | 2021-12-13 | Zero-leakage switching system for dangerous liquid storage bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216844152U (en) |
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2021
- 2021-12-13 CN CN202123115324.4U patent/CN216844152U/en not_active Expired - Fee Related
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