CN217211580U - Hydrofluoric acid dustless sampling device - Google Patents
Hydrofluoric acid dustless sampling device Download PDFInfo
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- CN217211580U CN217211580U CN202123003576.8U CN202123003576U CN217211580U CN 217211580 U CN217211580 U CN 217211580U CN 202123003576 U CN202123003576 U CN 202123003576U CN 217211580 U CN217211580 U CN 217211580U
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- hydrofluoric acid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/30—Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
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Abstract
The utility model provides a dustless sampling device of hydrofluoric acid, includes the sample cabinet body, sample cabinet body top wear to be equipped with the exhaust emission cover, wear to be equipped with the sampling tube on the lateral wall of sample cabinet body, the sampling tube passes the exhaust emission cover lateral wall and extends to in the exhaust emission cover, is equipped with the sample sealing ring on the lower extreme opening inner wall of exhaust emission cover, is equipped with the backup pad on the sample cabinet body bottom plate under the exhaust emission cover, the backup pad is used for placing the sampling bottle. The patent of the utility model adopts the above structure, realized the convenient sample purpose of hydrofluoric acid, the sampling operation danger of bringing when having solved and using traditional sampling device has avoided the sampling speed uncontrollable, easily takes place the personal injury, easily takes place environmental pollution scheduling problem.
Description
Technical Field
The utility model relates to an experimental apparatus field, specific be a dustless sampling device of hydrofluoric acid.
Background
Hydrofluoric acid is a chemical product with wide application, is colorless fuming liquid in appearance, has high toxicity, strong corrosivity and strong irritation, is easy to gasify 49-60% of hydrofluoric acid in an open environment, and volatilizes hydrogen fluoride gas. In daily production, a laboratory needs to take a hydrofluoric acid sample in a dust-free cabinet for detection. The existing hydrofluoric acid sampling method is that a sampling bottle cap is opened, then liquid is collected below a sampling tube, the sampling extension tube needs to be manually taken to be in or out of the bottle, so that the operation is dangerous, the volatile acid gas is difficult to control in the sampling process, and the problems of personal safety injury, environmental pollution and the like are easy to occur.
Disclosure of Invention
The utility model aims to solve the technical problem that a hydrofluoric acid dustless sampling device is provided, its convenient sample purpose that has realized hydrofluoric acid has solved the sampling operation danger that brings when using traditional sampling device, has avoided the sampling speed uncontrollable, has easily taken place the personal injury, has easily taken place environmental pollution scheduling problem.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a dustless sampling device of hydrofluoric acid, includes the sample cabinet body, sample cabinet body top wear to be equipped with the exhaust emission cover, wear to be equipped with the sampling tube on the lateral wall of sample cabinet body, the sampling tube passes the exhaust emission cover lateral wall and extends to in the exhaust emission cover, is equipped with the sample sealing ring on the lower extreme opening inner wall of exhaust emission cover, is equipped with the backup pad on the sample cabinet body bottom plate under the exhaust emission cover, the backup pad is used for placing the sampling bottle.
In a preferred scheme, a cleaning pipe is arranged on a sampling pipe positioned in the sampling cabinet body, and the cleaning pipe penetrates through the side wall of the sampling cabinet body and extends out of the sampling cabinet body;
the sampling tube on be equipped with the sample valve, be equipped with the purge valve on the scavenge pipe.
In the preferred scheme, two vertical guide rods are arranged on the bottom surface in the sampling cabinet body, the two guide rods penetrate through the support plate, a push cylinder is arranged on the bottom surface in the sampling cabinet body below the support plate, and a push rod of the push cylinder is fixedly connected with the bottom surface of the support plate.
In the preferred scheme, the sample sealing ring be fixed in on the opening inner wall of exhaust emission cover lower extreme, be equipped with the reducing hole on the sample sealing ring, the diameter in reducing hole is crescent from top to bottom, and the minimum diameter in reducing hole is less than sample bottle body diameter, the maximum diameter in reducing hole is greater than sample bottle body diameter.
In the preferred scheme, the internal waste liquid case that still is equipped with of sample cabinet, be equipped with the waste liquid delivery pipe on the waste liquid case, the waste liquid delivery pipe passes the setting of the sample cabinet body, is equipped with the waste liquid discharge valve on the waste liquid delivery pipe.
In the preferred scheme, the top surface of the supporting plate is provided with a sampling bottle positioning piece which is of an elastic annular structure, and the inner diameter of the sampling bottle positioning piece is the same as the diameter of the sampling bottle body.
In the preferred scheme, sample cabinet body one side be the opening face, there is the cabinet door through hinge connection on opening face one side, the cabinet door is equipped with the annular sealing strip towards the periphery of the one side of the sample cabinet body, the cabinet door middle part is equipped with the observation window.
The utility model provides a dustless sampling device of hydrofluoric acid through adopting above-mentioned structure, has following beneficial effect:
(1) the sampling process is carried out in the sealed cabinet body, so that the risk of waste gas leakage can be avoided, and the safety risk in manual operation is avoided;
(2) after sampling is finished, the sampling tube and the sampling bottle can be quickly cleaned through the cleaning tube;
(3) can realize the outer row of waste gas, avoid waste gas at the internal stop of cabinet, avoided opening the cabinet door and got the waste gas leakage risk that the sampling bottle in-process exists.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the sampling cabinet body 1, the sampling tube 2, the sample valve 201, the scavenge pipe 3, the purge valve 301, exhaust emission cover 4, sample sealing ring 5, backup pad 6, guide bar 7, push away jar 8, sampling bottle setting element 9, sampling bottle 10, waste liquid case 11, waste liquid discharge pipe 12, waste liquid discharge valve 121, cabinet door 13, annular sealing strip 14, observation window 15.
Detailed Description
As in fig. 1, a dustless sampling device of hydrofluoric acid, including the sampling cabinet body 1, the sampling cabinet body 1 top wear to be equipped with exhaust emission cover 4, wear to be equipped with sampling tube 2 on the 1 lateral wall of the sampling cabinet body, sampling tube 2 passes 4 lateral walls of exhaust emission cover and extends to in the exhaust emission cover 4, is equipped with sample sealing ring 5 on the lower extreme opening inner wall of exhaust emission cover 4, is equipped with backup pad 6 on the sampling cabinet body 1 bottom plate under the exhaust emission cover 4, backup pad 6 is used for placing sampling bottle 10.
In a preferred scheme, a cleaning pipe 3 is arranged on a sampling pipe 2 positioned in the sampling cabinet body 1, and the cleaning pipe 3 penetrates through the side wall of the sampling cabinet body 1 and extends out of the sampling cabinet body 1;
sampling tube 2 on be equipped with sample valve 201, be equipped with cleaning valve 301 on the scavenge pipe 3.
In the preferred scheme, the bottom surface of the sampling cabinet body 1 is provided with two vertical guide rods 7, the two guide rods 7 penetrate through the supporting plate 6, the bottom surface of the sampling cabinet body 1 below the supporting plate 6 is provided with a push cylinder 8, and a push rod of the push cylinder 8 is fixedly connected with the bottom surface of the supporting plate 6.
In the preferred scheme, sample sealing ring 5 be fixed in on the opening inner wall of 4 lower extremes of exhaust emission cover, be equipped with the reducing hole on the sample sealing ring 5, the diameter in reducing hole is crescent from top to bottom, and the minimum diameter in reducing hole is less than sample bottle 10 body diameters, the maximum diameter in reducing hole is greater than sample bottle 10 body diameters.
In the preferred scheme, the sampling cabinet body 1 in still be equipped with waste liquid case 11, be equipped with waste liquid discharge pipe 12 on the waste liquid case 11, waste liquid discharge pipe 12 passes the setting of the sampling cabinet body 1, is equipped with waste liquid discharge valve 121 on the waste liquid discharge pipe 12.
In the preferred scheme, a sampling bottle positioning piece 9 is arranged on the top surface of the supporting plate 6, the sampling bottle positioning piece 9 is of an elastic annular structure, and the inner diameter of the sampling bottle positioning piece 9 is the same as the diameter of the bottle body of the sampling bottle 10.
In the preferred scheme, 1 side of the sampling cabinet body be the open face, there is cabinet door 13 on one side of the open face through hinge connection, cabinet door 13 is equipped with annular sealing strip 14 towards the periphery of 1 side of the sampling cabinet body, the middle part of cabinet door 13 is equipped with observation window 15.
In the preferred scheme, the outside of the sampling cabinet body 1 can be additionally provided with an operation panel, the sampling valve 201 and the cleaning valve 301 are respectively provided with an electromagnetic valve, and the sampling valve 201 and the cleaning valve 301 are controlled to be opened and closed and the push cylinder 8 is controlled to be opened and closed through the operation panel.
The application discloses dustless sampling device of hydrofluoric acid adopts the device to carry out the hydrofluoric acid sample operation time:
firstly, a sampling bottle 10 is fixed on a supporting plate 6 through a sampling bottle positioning piece 9, then a cabinet door 13 is closed, a pushing cylinder 8 is controlled to start through an external operation panel, the supporting plate 6 drives the sampling bottle 10 to ascend, the sampling bottle 10 ascends to just contact with a sampling sealing ring 5 and then continues to ascend for a certain distance, so that the sampling bottle 10 and the sampling sealing ring 5 form interference fit to achieve the good sealing purpose, then a sampling valve 201 is opened through the external operation panel, hydrofluoric acid materials in a storage tank are input into the sampling bottle 10 through a sampling pipe 2, during the sampling process, generated waste gas is directly discharged into a processing system through a waste gas discharge cover 4 (the waste gas discharge cover 4 can be connected with a negative pressure suction device), and during the process, the sampling amount is observed through an observation window 15, after the rated sampling amount is reached, the sampling valve 201 is closed, then the cabinet door 13 is opened, and the pushing cylinder 8 is controlled to contract, the sampling bottle 10 is moved downwards, the sampling bottle after moving downwards can be taken down manually, and in the process, the generated waste gas is directly sucked away by the negative pressure suction equipment connected with the waste gas discharge hood 4, and finally the sampling operation is finished.
After sampling is finished, the sampling bottle 10 is put back, the cleaning valve 301 is opened through the external operation panel, the sampling valve 201 is closed, cleaning water is output from the cleaning pipe 3 and flows into the sampling bottle 10 through the sampling pipe 2, and wastewater is poured into the waste liquid tank 11 after manual cleaning.
Claims (7)
1. The utility model provides a dustless sampling device of hydrofluoric acid, includes the sampling cabinet body (1), its characterized in that: sample cabinet body (1) top wear to be equipped with exhaust emission cover (4), wear to be equipped with sampling tube (2) on the sample cabinet body (1) lateral wall, sampling tube (2) pass exhaust emission cover (4) lateral wall and extend to in exhaust emission cover (4), be equipped with sample sealing ring (5) on the lower extreme opening inner wall of exhaust emission cover (4), be equipped with backup pad (6) on the sample cabinet body (1) bottom plate under exhaust emission cover (4), backup pad (6) are used for placing sampling bottle (10).
2. A hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: a cleaning pipe (3) is arranged on the sampling pipe (2) positioned in the sampling cabinet body (1), and the cleaning pipe (3) penetrates through the side wall of the sampling cabinet body (1) and extends out of the sampling cabinet body (1);
sampling tube (2) on be equipped with sample valve (201), be equipped with cleaning valve (301) on scavenge pipe (3).
3. The hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: the sampling cabinet is characterized in that two vertical guide rods (7) are arranged on the bottom surface of the sampling cabinet body (1), the two guide rods (7) penetrate through the supporting plate (6), a pushing cylinder (8) is arranged on the bottom surface of the sampling cabinet body (1) below the supporting plate (6), and a push rod of the pushing cylinder (8) is fixedly connected with the bottom surface of the supporting plate (6).
4. A hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: sample sealing ring (5) be fixed in on the opening inner wall of exhaust emission cover (4) lower extreme, be equipped with the reducing hole on sample sealing ring (5), the diameter in reducing hole from top to bottom crescent, and the minimum diameter in reducing hole is less than sampling bottle (10) body diameter, the maximum diameter in reducing hole is greater than sampling bottle (10) body diameter.
5. A hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: the sampling cabinet body (1) in still be equipped with waste liquid case (11), be equipped with waste liquid discharge pipe (12) on waste liquid case (11), waste liquid discharge pipe (12) pass the setting of the sampling cabinet body (1), be equipped with waste liquid discharge valve (121) on waste liquid discharge pipe (12).
6. The hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: the top surface of the supporting plate (6) is provided with a sampling bottle positioning piece (9), the sampling bottle positioning piece (9) is of an elastic annular structure, and the inner diameter of the sampling bottle positioning piece is the same as the diameter of the body of the sampling bottle (10).
7. A hydrofluoric acid dust-free sampling apparatus according to claim 1, wherein: the sampling cabinet is characterized in that one side of the sampling cabinet body (1) is an opening surface, a cabinet door (13) is connected to one side of the opening surface through a hinge, an annular sealing strip (14) is arranged on the periphery of one side, facing the sampling cabinet body (1), of the cabinet door (13), and an observation window (15) is arranged in the middle of the cabinet door (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003576.8U CN217211580U (en) | 2021-12-02 | 2021-12-02 | Hydrofluoric acid dustless sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003576.8U CN217211580U (en) | 2021-12-02 | 2021-12-02 | Hydrofluoric acid dustless sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211580U true CN217211580U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003576.8U Active CN217211580U (en) | 2021-12-02 | 2021-12-02 | Hydrofluoric acid dustless sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211580U (en) |
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2021
- 2021-12-02 CN CN202123003576.8U patent/CN217211580U/en active Active
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