CN215767852U - Anhydrous hydrogen fluoride safety sampling device - Google Patents
Anhydrous hydrogen fluoride safety sampling device Download PDFInfo
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- CN215767852U CN215767852U CN202121102517.3U CN202121102517U CN215767852U CN 215767852 U CN215767852 U CN 215767852U CN 202121102517 U CN202121102517 U CN 202121102517U CN 215767852 U CN215767852 U CN 215767852U
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- hydrogen fluoride
- anhydrous hydrogen
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- unloading
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Abstract
The utility model discloses a safe anhydrous hydrogen fluoride sampling device. The technical scheme is as follows: an inlet at the top of the anhydrous hydrogen fluoride tank truck is communicated with a nitrogen tank through a pipeline nitrogen tank outlet cut-off valve, an outlet at the top of the anhydrous hydrogen fluoride tank truck is connected with a moisture detector through an unloading pipeline and is connected to the anhydrous hydrogen fluoride storage tank through a tank truck outlet cut-off valve, an unloading auxiliary pipeline is arranged on the unloading pipeline, and a sampling bottle is connected to the unloading auxiliary pipeline; a toxic gas detector is arranged beside the anhydrous hydrogen fluoride tanker. The beneficial effects are that: the sampling bottle adopts a fluorine-lined stainless steel sampling bottle, the safety factor is increased, the quick and safe sampling function is realized by quickly connecting the cutting sleeve type joint and the electromagnetic valve with the unloading auxiliary pipeline, the possibility of leakage is reduced, in a word, the potential danger of hydrogen fluoride leakage is eliminated to a certain extent, the operation is safer and more reliable, and the like.
Description
Technical Field
The utility model relates to an anhydrous hydrogen fluoride sampling device, in particular to an anhydrous hydrogen fluoride safe sampling device.
Background
In industrial production, anhydrous hydrogen fluoride is a common chemical raw material, but anhydrous hydrogen fluoride is an acid which has high chemical activity and can release heat violently when dissolved in water, has strong chemical reactivity and can react with various compounds, so that attention needs to be paid to preventing leakage and splashing of the hydrogen fluoride when sampling the anhydrous hydrogen fluoride, particularly in industrial production, the anhydrous hydrogen fluoride is generally conveyed to enterprises through tank cars, and sampling of the anhydrous hydrogen fluoride in the field generally adopts a simple conventional method, has insufficient safety protection measures and has a great amount of safety risks, and therefore, in order to avoid personal safety injury and environmental pollution caused by the hydrogen fluoride, the anhydrous hydrogen fluoride safety sampling device is particularly designed.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned drawbacks of the prior art, and provides a safe anhydrous hydrogen fluoride sampling device, which eliminates the potential risk of hydrogen fluoride leakage to a certain extent, and is safer and more reliable to operate.
The utility model provides an anhydrous hydrogen fluoride safe sampling device, which adopts the technical scheme that: the device comprises a nitrogen tank (1), a nitrogen tank outlet cut-off valve (2), a moisture detector (3), a tank car outlet cut-off valve (4), a toxic gas detector (6), a sampling bottle (7) and an anhydrous hydrogen fluoride storage tank (8), wherein an inlet at the top of the anhydrous hydrogen fluoride tank car (5) is communicated with the nitrogen tank (1) through the pipeline nitrogen tank outlet cut-off valve (2), an outlet at the top of the anhydrous hydrogen fluoride tank car (5) is connected with the moisture detector (3) through an unloading pipeline and is connected to the anhydrous hydrogen fluoride storage tank (8) through the tank car outlet cut-off valve (4), an unloading auxiliary pipeline is arranged on the unloading pipeline, and the sampling bottle (7) is connected to the unloading auxiliary pipeline; a toxic gas detector (6) is arranged beside the anhydrous hydrogen fluoride tanker (5).
Preferably, the upper end of the sampling bottle (7) is connected to the unloading auxiliary pipeline (14) through a first ferrule type joint (12) and a first electromagnetic valve (10), and the lower end of the sampling bottle (7) is connected to the unloading auxiliary pipeline (14) through a second ferrule type joint (13) and a second electromagnetic valve (11).
Preferably, the sampling bottle (7) is a stainless steel sampling bottle with fluorine-lined inner wall.
Preferably, the first ferrule type fitting (12) comprises a ferrule (a 2), a screwing nut (a 3), a clamping head (a 4), a combined gasket (a 5) and a main body (a 6), wherein the main body (a 6) is connected to the clamping head (a 4) through threads and the combined gasket (a 5), a tapered surface is arranged on the inner side of the lower end of the clamping head (a 4), the screwing nut (a 3) is arranged on the outer side of the lower end of the clamping head (a 4), a ferrule (a 2) is arranged between the screwing nut (a 3) and the tapered hole, the screwing nut (a 3) drives the ferrule (a 2) to deform, the ferrule (a 2) and the tapered surface form sealing, and the outer wall of the connecting pipe (a 1) is connected with the clamping head (a 4) in a sealing mode.
Preferably, the inner side of the cutting sleeve (a 2) is provided with an annular hard contact surface (a 2.1).
Preferably, a manual valve (9) is arranged on the unloading pipeline between the tank car outlet shut-off valve (4) and the anhydrous hydrogen fluoride storage tank (8).
Preferably, the toxic gas detector (6) is a hydrogen fluoride gas detector.
The utility model has the beneficial effects that: the electromagnetic cut-off valve is additionally arranged and is linked with the on-site hydrogen fluoride gas detector, and when the on-site hydrogen fluoride gas detector detects the toxic gas hydrogen fluoride, an alarm signal can be sent out, so that personal safety injury is avoided; a moisture detector is additionally arranged to detect whether the moisture content in the anhydrous hydrogen fluoride reaches the standard in real time, so that a sampling detection function is realized; in addition, the sampling bottle adopts a fluorine-lined stainless steel sampling bottle, the safety factor is increased, the quick and safe sampling function is realized by quickly connecting the cutting sleeve type joint and the electromagnetic valve with the unloading auxiliary pipeline, the possibility of leakage is reduced, in a word, the potential danger of hydrogen fluoride leakage is eliminated to a certain extent, the operation is safer and more reliable, and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a ferrule-type fitting;
in the upper diagram: the device comprises a nitrogen tank 1, a nitrogen tank outlet cut-off valve 2, a moisture detector 3, a tank truck outlet cut-off valve 4, an anhydrous hydrogen fluoride tank truck 5, a toxic gas detector 6, a sampling bottle 7, an anhydrous hydrogen fluoride storage tank 8, a manual valve 9, a first electromagnetic valve 10, a second electromagnetic valve 11, a first ferrule type joint 12, a second ferrule type joint 13, an unloading auxiliary pipeline 14, a connecting pipe a1, a ferrule a2, a screwing nut a3, a clamping joint a4, a combined gasket a5, a main body a6 and a hard contact surface a 2.1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The upper end of the sampling bottle 7 is connected to an unloading secondary pipeline 14 through a first ferrule type joint 12 and a first electromagnetic valve 10, and the lower end of the sampling bottle 7 is connected to the unloading secondary pipeline 14 through a second ferrule type joint 13 and a second electromagnetic valve 11.
In addition, the sampling flask 7 is a stainless steel sampling flask with fluorine-lined inner wall.
Referring to fig. 2, the first ferrule type fitting 12 and the second ferrule type fitting 13 have the same structure, and include a ferrule a2, a fastening nut a3, a ferrule a4, a combination pad a5, and a main body a6, where the main body a6 is connected to the ferrule a4 through threads and a combination pad a5, the inner side of the lower end of the ferrule a4 is provided with a tapered surface, the outer side of the lower end of the ferrule a4 is provided with the fastening nut a3, a ferrule a2 is provided between the fastening nut a3 and the tapered hole, and the fastening nut a3 drives the ferrule a2 to deform, so that the ferrule a2 and the tapered surface form a seal, and the outer wall of the connection tube a1 and the ferrule a4 are connected in a seal manner.
When the connecting pipe is used, the clamping sleeve a2 is pushed into the conical surface by rotating the screwing nut a3 and is deformed at the same time, so that the clamping sleeve and the conical surface form spherical contact sealing to be in contact with the outer wall of the connecting pipe a1, and the sealing effect is better.
A manual valve 9 is arranged on the unloading pipeline between the tank car outlet cut-off valve 4 and the anhydrous hydrogen fluoride storage tank 8, the toxic gas detector 6 adopts a hydrogen fluoride gas detector, and a splash-proof cover is arranged at each valve interface of the unloading pipeline to prevent a small amount of hydrogen fluoride liquid from splashing; in addition, the mentioned moisture detector and hydrogen fluoride gas detector are all the existing commercial products.
When the device is used, when the anhydrous hydrogen fluoride tank truck enters the unloading area, the outlet pipeline of the nitrogen tank 1 is connected with the anhydrous hydrogen fluoride tank truck, the outlet pipeline is provided with a nitrogen tank outlet cut-off valve 2, and the discharge opening of the anhydrous hydrogen fluoride tank truck is connected with an unloading pipeline. The unloading pipeline is provided with a moisture detector, a tank car outlet cut-off valve 4, a manual valve and the like. During sampling, cutting sleeve type joints at two ends of a fluorine-lined stainless steel sampling bottle are connected into an unloading auxiliary pipeline 14, and an outlet cut-off valve 1 of a nitrogen tank and an outlet cut-off valve 4 of a tank car are opened to carry out sampling work of anhydrous hydrogen fluoride. If the moisture content in the unloaded anhydrous hydrogen fluoride detected by the moisture meter exceeds the standard, the anhydrous hydrogen fluoride in the unloading tank is unqualified; if the hydrogen fluoride gas detector detects that the concentration of hydrogen fluoride in the sampling environment exceeds the standard, the hydrogen fluoride leakage is shown, the nitrogen tank outlet cut-off valve 2 and the tank car outlet cut-off valve 4 are closed in an interlocking manner under the two conditions, the first electromagnetic valve 10 and the second electromagnetic valve 11 are closed, and the unloading and sampling work is stopped in time.
Embodiment 2, referring to fig. 1, the anhydrous hydrogen fluoride safety sampling device provided by the utility model comprises a nitrogen tank 1, a nitrogen tank outlet cut-off valve 2, a moisture detector 3, a tank truck outlet cut-off valve 4, a toxic gas detector 6, a sampling bottle 7 and an anhydrous hydrogen fluoride storage tank 8, wherein an inlet at the top of the anhydrous hydrogen fluoride tank truck 5 is communicated with the nitrogen tank 1 through the pipeline nitrogen tank outlet cut-off valve 2, an outlet at the top of the anhydrous hydrogen fluoride tank truck 5 is connected with the moisture detector 3 through an unloading pipeline and is connected to the anhydrous hydrogen fluoride storage tank 8 through the tank truck outlet cut-off valve 4, an unloading auxiliary pipeline is arranged on the unloading pipeline, and the sampling bottle 7 is connected to the unloading auxiliary pipeline; a toxic gas detector 6 is arranged beside the anhydrous hydrogen fluoride tanker 5.
The upper end of the sampling bottle 7 is connected to an unloading secondary pipeline 14 through a first ferrule type joint 12 and a first electromagnetic valve 10, and the lower end of the sampling bottle 7 is connected to the unloading secondary pipeline 14 through a second ferrule type joint 13 and a second electromagnetic valve 11.
The difference from the embodiment 1 is that: the inner side of the cutting sleeve a2 in the cutting sleeve type joint 12 is provided with an annular hard contact surface a2.1, when in use, the cutting sleeve a2 is pushed into the conical surface by rotating the screwing nut a3 and simultaneously deforms, so that the cutting sleeve and the conical surface form spherical contact sealing, and the inner side of the cutting sleeve is provided with a hard contact surface a2.1 so as to contact with the outer wall of the connecting pipe a1 and form an annular contact surface with the outer wall of the connecting pipe a1, so that the sealing effect is better.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention shall fall within the scope of the present invention as claimed.
Claims (7)
1. The utility model provides an anhydrous hydrogen fluoride safety sampling device which characterized by: the device comprises a nitrogen tank (1), a nitrogen tank outlet cut-off valve (2), a moisture detector (3), a tank car outlet cut-off valve (4), a toxic gas detector (6), a sampling bottle (7) and an anhydrous hydrogen fluoride storage tank (8), wherein an inlet at the top of the anhydrous hydrogen fluoride tank car (5) is communicated with the nitrogen tank (1) through the pipeline nitrogen tank outlet cut-off valve (2), an outlet at the top of the anhydrous hydrogen fluoride tank car (5) is connected with the moisture detector (3) through an unloading pipeline and is connected to the anhydrous hydrogen fluoride storage tank (8) through the tank car outlet cut-off valve (4), an unloading auxiliary pipeline is arranged on the unloading pipeline, and the sampling bottle (7) is connected to the unloading auxiliary pipeline; a toxic gas detector (6) is arranged beside the anhydrous hydrogen fluoride tanker (5).
2. The anhydrous hydrogen fluoride safety sampling device of claim 1, wherein: the upper end of the sampling bottle (7) is connected into an unloading auxiliary pipeline (14) through a first ferrule type joint (12) and a first electromagnetic valve (10), and the lower end of the sampling bottle (7) is connected into the unloading auxiliary pipeline (14) through a second ferrule type joint (13) and a second electromagnetic valve (11).
3. A safe anhydrous hydrogen fluoride sampling device as claimed in claim 1 or 2, wherein: the sampling bottle (7) is a stainless steel sampling bottle with fluorine-lined inner wall.
4. The anhydrous hydrogen fluoride safety sampling device of claim 2, wherein: first cutting ferrule formula connects (12) including cutting ferrule (a 2), nut (a 3) screws, joint (a 4), combination pad (a 5), main part (a 6), main part (a 6) is connected to joint (a 4) through screw and combination pad (a 5), the lower extreme inboard of joint (a 4) is equipped with the conical surface, and the lower extreme outside of joint (a 4) is equipped with nut (a 3) screws, be equipped with cutting ferrule (a 2) between nut (a 3) and the bell mouth that screws, drive cutting ferrule (a 2) deformation through nut (a 3) screws, make cutting ferrule (a 2) and conical surface form sealedly, with the outer wall and the joint (a 4) sealing connection of connecting pipe (a 1).
5. The anhydrous hydrogen fluoride safety sampling device of claim 4, wherein: the inner side of the cutting sleeve (a 2) is provided with an annular hard contact surface (a 2.1).
6. The anhydrous hydrogen fluoride safety sampling device of claim 1, wherein: and a manual valve (9) is arranged on the unloading pipeline between the tank car outlet cut-off valve (4) and the anhydrous hydrogen fluoride storage tank (8).
7. The anhydrous hydrogen fluoride safety sampling device of claim 1, wherein: the toxic gas detector (6) adopts a hydrogen fluoride gas detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102517.3U CN215767852U (en) | 2021-05-21 | 2021-05-21 | Anhydrous hydrogen fluoride safety sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102517.3U CN215767852U (en) | 2021-05-21 | 2021-05-21 | Anhydrous hydrogen fluoride safety sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767852U true CN215767852U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121102517.3U Active CN215767852U (en) | 2021-05-21 | 2021-05-21 | Anhydrous hydrogen fluoride safety sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767852U (en) |
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2021
- 2021-05-21 CN CN202121102517.3U patent/CN215767852U/en active Active
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