CN207923763U - A kind of enclosed sampling and moisture content detection device of hydrogen fluoride - Google Patents
A kind of enclosed sampling and moisture content detection device of hydrogen fluoride Download PDFInfo
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- CN207923763U CN207923763U CN201820354647.8U CN201820354647U CN207923763U CN 207923763 U CN207923763 U CN 207923763U CN 201820354647 U CN201820354647 U CN 201820354647U CN 207923763 U CN207923763 U CN 207923763U
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- bottle
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- hydrogen fluoride
- content detection
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- 238000005070 sampling Methods 0.000 title claims abstract description 117
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000002253 acid Substances 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 22
- 229910052697 platinum Inorganic materials 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 239000005457 ice water Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000003800 pharynx Anatomy 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 210000000088 lip Anatomy 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The utility model provides a kind of enclosed sampling and moisture content detection device of hydrogen fluoride, including sampling and moisture content detection device；Sampler includes acid inlet tube, volumetric bottle, sampling bottle, returnable bottle and returns acid tube；Sampling bottle is communicated by conduit with returnable bottle, and by discharge nozzle and be disposed with needle valve D, blocked valve C, needle valve B, blocked valve A pipeline be connected with acid inlet tube, acid inlet tube is connected with hydrogen fluoride fluid reservoir；Volumetric bottle bottom end is connected with needle valve B and blocked valve C respectively by pipeline, and volumetric bottle top is connected with needle valve F and blocked valve E respectively by pipeline；Needle valve F is connected by pipeline with blocked valve G, and blocked valve G is connected with acid tube is returned；Acid tube is returned with hydrogen fluoride fluid reservoir to be connected；Blocked valve E is connected by absorption tube with returnable bottle；Moisture content detection device includes the electrode and moisture detector being set on volumetric bottle.The utility model can realize the enclosed sampling and water content detection of hydrogen fluoride simultaneously, simply, green safe efficient.
Description
Technical field
The utility model is related to a kind of enclosed sampling of hydrogen fluoride and moisture content detection devices, belong to technique of analytical chemistry neck
Domain.
Background technology
Anhydrous hydrogen fluoride is a kind of important industrial chemicals, is widely used in the industries such as atomic energy, chemical industry, oil, is used
Produce the catalyst etc. of villiaumite, various fluorinated refrigerants, organic compound.Anhydrous hydrogen fluoride is the extremely strong object of reactivity again simultaneously
Matter can react with various substances, high poison and corrosivity and irritation are extremely strong.Anhydrous hydrogen fluoride boiling point is 19.4 DEG C, in room
Highly volatile just will produce the taste of stimulation more than 3ppm in air at smoke-like under mild room temperature, stimulation nose after sucking,
Pharynx, eyes and respiratory tract, high concentration steam serious can burn lip, mouth, pharynx and lung, and What is more may cause hydrogen fluoride liquid
It accumulates in lung or even dead.And according to technological requirement, it needs to carry out stringent to anhydrous hydrogen fluoride product and accurately component is divided
Analysis, therefore, the reliability of the safety and operability and sample of necessary rigorous concentration sampling when sampling anhydrous hydrogen fluoride
And authenticity, also just become an important focus for its sampling method.
The sampler of existing anhydrous hydrogen fluoride, as shown in Figure 1, being sampled using molten ice method；When sampling, a hand rest
The sampling bottle of ice water is filled, proficiency valve opening door makes anhydrous hydrogen fluoride be dissolved in ice water.However, there are many in sampling process
The shortcomings that, when such as sampling, the bottleneck of sampling bottle is directly exposed in air, and the moisture in a large amount of dust and air enters sampling bottle
It is interior, influence the authenticity of sample；Meanwhile after sampling, the outlet 14 of hydrogen fluoride fluid reservoir is directly exposed in air, together
Sample can bring impurity into sampling bottle, influence the authenticity of sample；In addition, the sampling valve 15 on hydrogen fluoride fluid reservoir is exposed to air
In, due to outlet end residual anhydrous hydrogen fluoride, in air under the influence of moisture, valve is easily corroded by hydrofluoric acid, to lead
Open valve is caused to be not easy；And operation lacks safety.For the defect of above-mentioned sampler, Chinese patent literature
CN103674615A discloses a kind of anhydrous hydrogen fluoride sampler and sampling method, and the sampler is as shown in Fig. 2, by external
Ice water cooling method replaces molten ice method, cylinder valve is changed to PFA ball valves, and F46 of the connection one with bottle cap is managed after ball valve, is solved
Defect and hidden danger present in molten ice method sampling.However, above two sampler there are problems that, such as：When sampling,
Hydrogen fluoride in sampling bottle has steam spilling, there is pollution environment and unsafe problem；It needs individually separately to sample and carries out water
Sorting is surveyed, complex for operation step, and the step of causing the waste of hydrogen fluoride liquid and increase hydrogen fluoride post-processing, and moisture is examined
It is to be improved to survey accuracy.
Utility model content
For the deficiencies in the prior art, the utility model provides enclosed sampling and the moisture inspection of a kind of hydrogen fluoride
Device is surveyed, realizing anhydrous hydrogen fluoride will not discharge into the atmosphere, so as to avoid the injury to environment and personnel, safe operation
Property it is high, and at the same time water content detection can be realized, operating procedure is simple.
The technical solution of the utility model is as follows：
A kind of enclosed sampling and moisture content detection device of hydrogen fluoride, including sampler and moisture content detection device；
The sampler, including acid inlet tube, volumetric bottle, sampling bottle, returnable bottle and time acid tube；Sampling bottle by conduit with
Returnable bottle communicates, and by discharge nozzle and be disposed with needle valve D, blocked valve C, needle valve B, blocked valve A pipeline with into
Acid tube is connected, and acid inlet tube is connected with hydrogen fluoride fluid reservoir；Volumetric bottle bottom end by pipeline respectively with needle valve B and blocked valve C phases
Even, volumetric bottle top is connected with needle valve F and blocked valve E respectively by pipeline；Needle valve F is connected by pipeline with blocked valve G,
Blocked valve G is connected with acid tube is returned, and returns acid tube and is connected with hydrogen fluoride fluid reservoir；Blocked valve E is connected by absorption tube with returnable bottle；
The moisture content detection device includes electrode and moisture detector；The electrode is set on volumetric bottle, and and moisture
Detector is connected by circuit.
Preferred according to the utility model, the material of the acid inlet tube, time acid tube and pipeline is PFA, translucent.
It is preferred according to the utility model, absorbing liquid is housed, the absorbing liquid is that mass concentration is 5- in the returnable bottle
20% NaOH or KOH aqueous solutions；The volume of the NaOH or KOH aqueous solutions is the 2/3 of returnable bottle volume.The returnable bottle is used
The hydrogen fluoride gas to volatilize in absorption sampling bottle and volumetric bottle.
Preferably, the returnable bottle opening is provided with blocking, and tube at one end converges with absorption tube, and is stretched by blocking
On the absorbing liquid of returnable bottle；The other end of conduit stretches into sampling bottle, and in sampling bottle on liquid；The material of the conduit
Matter is PTFE, and the material of absorption tube is PFA, translucent.
It is preferred according to the utility model, sampling bottle cover is provided with outside the sampling bottle, sampling bottle cover includes upper and lower two
Part, upper and lower two parts are tightly connected to form airtight chamber by screw-thread fit；Sampling bottle passes through outside bottleneck and sampling bottle
Airtight chamber communicates；Discharge nozzle stretches to the bottom of sampling bottle by sampling bottle cover top；The material of the discharge nozzle be PFA,
Translucent, the material of sampling bottle cover is PP or PE.The sampling bottle cover can ensure that sampling bottle is in closed environment.
Preferred according to the utility model, the electrode is platinum electrode piece, and the quantity of platinum electrode piece is two, each platinum electricity
Pole piece one end extend into volumetric bottle and is in contact with hydrogen fluoride liquid, and the other end is connected with moisture detector respectively by circuit；
The material of the volumetric bottle is PTFE.
Preferred according to the utility model, the volume of the sampling bottle is more than the volume of volumetric bottle.
Preferred according to the utility model, the moisture detector is portable moisture detector.
According to the utility model, the moisture detector is the prior art, commercially available acquisition.
It is sampled the method with water content detection, including step using the enclosed sampling and moisture content detection device of above-mentioned hydrogen fluoride
Suddenly：
(1) it is packed into mixture of ice and water in sampling bottle, then sampling bottle is mounted in sampling bottle cover, it is ensured that on sampling bottle cover
Lower two parts closely connect, and discharge nozzle is inserted to sampling bottle bottom；
(2) blocked valve A, needle valve B, needle valve F and blocked valve G are opened, blocked valve C, needle valve D, blocked valve E are closed,
Hydrogen fluoride liquid storage tank valve is then turned on, hydrogen fluoride liquid flows into sampler by acid inlet tube, to pipeline into line replacement, is fluorinated
Hydrogen liquid low in and high out is flowed into through returning acid tube in hydrogen fluoride fluid reservoir, realizes hydrogen fluoride liquid in pipeline and hydrogen fluoride fluid reservoir
Between cycle；
(3) measurement of moisture is carried out by moisture detector；Circuit on moisture detector is connect with electrode slice, waits showing
After showing that moisture figure is stablized, the measurement to moisture is completed, closes moisture detector；
(4) all valves opened in step (2) are closed；At this point, answered in volumetric bottle it is hydraulically full, if underfill, explanation
Pipeline gas leakage；Needle valve D is adjusted to certain aperture, then turns on blocked valve C and blocked valve E, makes the hydrogen fluoride in volumetric bottle
In liquid self-flowing to sampling bottle；Simultaneously, it is ensured that returnable bottle normally connects and be equipped with lye, is waved with drawing in sampling bottle and volumetric bottle
The hydrogen fluoride gas sent out；It waits for that the hydrogen fluoride liquid in volumetric bottle all flows into sampling bottle, transparent pipeline can be passed through at this time
Observe that liquid has no longer been in sequential like in entire pipeline, completes the enclosed sampling of hydrogen fluoride liquid；
(5) valve all in whole device is closed, removes sampling bottle, and screw on bottle cap；Sampling bottle cover is installed, is discharged
Pipe is inserted to sampling bottle cover bottom.
It the technical characterstic of the utility model and has the beneficial effect that：
(1) the utility model can realize the enclosed sampling and water content detection of hydrogen fluoride simultaneously, and moisture content detection device is simple, whole
Body step and device are simple, green safe efficient, meet the requirement of hydrogen fluoride commercial Application.
(2) returnable bottle is arranged in the utility model, it is ensured that sampling is smoothed out, and effectively absorbs sampling bottle and volumetric bottle
The hydrogen fluoride gas of middle spilling prevents hydrogen fluoride gas from overflowing the harm brought, green safe environmental protection.
(3) sampling bottle cover is arranged in the utility model outside sampling bottle, it is ensured that the seal in sampling process further has
Effect prevents spilling of the hydrogen fluoride gas into environment in sampling process；Spill into hydrogen fluoride gas in sampling bottle cover simultaneously
The absorbing liquid that can be recovered in bottle absorbs；After sampling, sampling bottle bottle cover is installed, discharge nozzle is made to be inserted to sampling bottle cover bottom
Portion avoids the untrue property of sampling sample caused by discharge nozzle pollution.
(4) the utility model is equipped with needle valve and blocked valve, needle valve controlling opening of valve, blocked valve cut-out pipe simultaneously
Road, securely and reliably.
(5) circulation loop, the mistake that hydrogen fluoride liquid recycles between pipeline and hydrogen fluoride fluid reservoir is arranged in the utility model
Water content detection is carried out in journey so that water content detection result is more true and reliable；And common aqueous detection method needs individually to carry out
Sampling, sample after testing need to be through cumbersome post-processings, and complex steps whiles wastes raw material, increases cost；And this
Utility model can carry out water content detection while sampling, and the waste of hydrogen fluoride, has not saved cost.
Description of the drawings
Fig. 1 is the structural schematic diagram that molten ice method sampler is used in background technology；
Wherein, 14 be outlet；15 be sampling valve.
Fig. 2 is the structural schematic diagram that external ice water cooling method sampler is used in background technology.
Fig. 3 is the enclosed sampling of hydrogen fluoride and the structural schematic diagram of moisture content detection device in the utility model embodiment 1；
Wherein, 1 is blocked valve A；2 be needle valve B；3 be blocked valve C；4 be needle valve D；5 be sampling bottle cover；6 be sampling
Bottle；7 be returnable bottle；8 be blocked valve E；9,10 be platinum electrode；11 be volumetric bottle；12 be needle valve F；13 be blocked valve G；16 are
Acid inlet tube；17 be discharge nozzle；18 be conduit；19 are back acid tube；20 be portable moisture detector；21 be absorption tube.
Specific implementation mode
Below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
Embodiment 1
A kind of enclosed sampling and moisture content detection device of hydrogen fluoride, including sampler and moisture content detection device；
The sampler, including acid inlet tube 16, volumetric bottle 11, sampling bottle 6, returnable bottle 7 and time acid tube 19；Sampling bottle 6
It is communicated with returnable bottle 7 by conduit 18, and by discharge nozzle 17 and is disposed with needle valve D 4, blocked valve C 3, needle valve B
2, the pipeline of blocked valve A1 is connected with acid inlet tube 16, and acid inlet tube 16 is connected with hydrogen fluoride fluid reservoir；11 bottom end of volumetric bottle passes through pipe
Road is connected with needle valve B 2 and blocked valve C 3 respectively, 11 top of volumetric bottle by pipeline respectively with needle valve F12 and blocked valve E
8 are connected；Needle valve F 12 is connected by pipeline with blocked valve G 13, blocked valve G 13 with return acid tube 19 be connected, return acid tube 19 and
Hydrogen fluoride fluid reservoir is connected；Blocked valve E 8 is connected by absorption tube 21 with returnable bottle 7；
The moisture content detection device includes platinum electrode 9,10 and portable moisture detector 20；Two platinum electrode pieces 9,10 are solid
Fixed to be arranged on volumetric bottle 11, each platinum electrode piece one end extend into volumetric bottle 11 and is in contact with hydrogen fluoride liquid, the other end
It is connected respectively with portable moisture detector 20 by circuit.
The NaOH aqueous solutions for being 10% equipped with mass concentration in the returnable bottle 7；The volume of the NaOH aqueous solutions is back
Receive the 2/3 of 7 volume of bottle；7 opening of the returnable bottle is provided with blocking, and one end and the absorption tube 21 of conduit 18 converge, and pass through
Blocking is stretched on the absorbing liquid of returnable bottle 7；The other end of conduit 18 stretches into sampling bottle 6, and in sampling bottle 6 liquid it
On；The material of the conduit 18 is PTFE, and the material of absorption tube 21 is PFA, translucent.
Sampling bottle cover 5 is provided with outside the sampling bottle 6, sampling bottle cover 5 includes upper and lower two parts, and upper and lower two parts pass through
Screw-thread fit is tightly connected to form airtight chamber；Sampling bottle 6 is communicated by bottleneck with the airtight chamber outside sampling bottle 6；Discharging
Pipe 17 stretches to the bottom of sampling bottle 6 by 5 top of sampling bottle cover；The material of the sampling bottle cover 5 is PP.The sampling bottle 6
Volume be more than volumetric bottle 11 volume.
The acid inlet tube 16, the material for returning acid tube 19, discharge nozzle 17 and pipeline are PFA, translucent；Volumetric bottle 11
Material is PTFE.
It is sampled the method with water content detection, including step using the enclosed sampling and moisture content detection device of above-mentioned hydrogen fluoride
Suddenly：
(1) it is packed into mixture of ice and water in sampling bottle 6, then sampling bottle 6 is mounted in sampling bottle cover 5, it is ensured that sampling bottle
About 5 two parts of cover closely connect, and discharge nozzle 17 is inserted to 6 bottom of sampling bottle；
(2) blocked valve A1, needle valve B 2, needle valve F 12 and blocked valve G 13 are opened, blocked valve C 3, needle valve are closed
D 4 and blocked valve E 8 then turns on hydrogen fluoride liquid storage tank valve, and hydrogen fluoride liquid flows into sampler by acid inlet tube 16, right
Pipeline is flowed into through returning acid tube 19 in hydrogen fluoride fluid reservoir into line replacement, hydrogen fluoride liquid low in and high out, realizes that hydrogen fluoride liquid exists
Cycle between pipeline and hydrogen fluoride fluid reservoir；
(3) measurement of moisture is carried out by portable moisture detector 20；By the circuit on portable moisture detector 20
It is connect with platinum electrode piece 9,10, after moisture figure to be shown is stablized, completes the measurement to moisture, close portable moisture detector
20；
(4) all valves opened in step (2) are closed；At this point, answering hydraulically full in volumetric bottle 11, if underfill, say
Open conduit gas leakage；Needle valve D 4 is adjusted to certain aperture, then turns on blocked valve C 3 and blocked valve E 8, makes volumetric bottle 11
In hydrogen fluoride liquid self-flowing to sampling bottle 6 in；Simultaneously, it is ensured that returnable bottle 7 normally connects and lye is housed, to absorb sampling bottle
6 and volumetric bottle 11 in the hydrogen fluoride gas that volatilizes；Wait for that the hydrogen fluoride liquid in volumetric bottle 11 all flows into sampling bottle 6,
It can observe that liquid has no longer been in sequential like in entire pipeline, completes the closed of hydrogen fluoride liquid and takes by transparent pipeline at this time
Sample；
(5) valve all in whole device is closed, removes sampling bottle 6, and screw on bottle cap；Sampling bottle cover 5 is installed, is gone out
Expects pipe 17 is inserted to 5 bottom of sampling bottle cover.
Claims (7)
1. the enclosed sampling and moisture content detection device of a kind of hydrogen fluoride, including sampler and moisture content detection device；
The sampler, including acid inlet tube, volumetric bottle, sampling bottle, returnable bottle and time acid tube；Sampling bottle passes through conduit and recycling
Bottle communicates, and by discharge nozzle and is disposed with the pipeline and acid inlet tube of needle valve D, blocked valve C, needle valve B, blocked valve A
It is connected, acid inlet tube is connected with hydrogen fluoride fluid reservoir；Volumetric bottle bottom end is connected with needle valve B and blocked valve C respectively by pipeline, fixed
Measuring bottle top is connected with needle valve F and blocked valve E respectively by pipeline；Needle valve F is connected by pipeline with blocked valve G, is blocked
Valve G is connected with acid tube is returned, and returns acid tube and is connected with hydrogen fluoride fluid reservoir；Blocked valve E is connected by absorption tube with returnable bottle；
The moisture content detection device includes electrode and moisture detector；The electrode is set on volumetric bottle, and and water content detection
Instrument is connected by circuit.
2. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 1, which is characterized in that the returnable bottle
Interior that absorbing liquid is housed, the absorbing liquid is NaOH the or KOH aqueous solutions that mass concentration is 5-20%；The NaOH or KOH are water-soluble
The volume of liquid is the 2/3 of returnable bottle volume.
3. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 2, which is characterized in that the returnable bottle
Opening is provided with blocking, and tube at one end converges with absorption tube, and is stretched on the absorbing liquid of returnable bottle by blocking；Conduit
The other end stretches into sampling bottle.
4. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 1, which is characterized in that the sampling bottle
Outside is provided with sampling bottle cover, and sampling bottle cover includes upper and lower two parts, and upper and lower two parts are tightly connected to be formed by screw-thread fit
Airtight chamber；Sampling bottle is communicated by bottleneck with the airtight chamber outside sampling bottle；Discharge nozzle at the top of sampling bottle cover by stretching into
To the bottom of sampling bottle.
5. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 1, which is characterized in that the electrode is
The quantity of platinum electrode piece, platinum electrode piece is two, and each platinum electrode piece one end is extend into volumetric bottle, and the other end passes through circuit point
It is not connected with moisture detector.
6. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 1, which is characterized in that the sampling bottle
Volume be more than volumetric bottle volume.
7. the enclosed sampling and moisture content detection device of hydrogen fluoride according to claim 1, which is characterized in that the moisture inspection
Survey instrument is portable moisture detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354647.8U CN207923763U (en) | 2018-03-15 | 2018-03-15 | A kind of enclosed sampling and moisture content detection device of hydrogen fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354647.8U CN207923763U (en) | 2018-03-15 | 2018-03-15 | A kind of enclosed sampling and moisture content detection device of hydrogen fluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923763U true CN207923763U (en) | 2018-09-28 |
Family
ID=63599057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820354647.8U Active CN207923763U (en) | 2018-03-15 | 2018-03-15 | A kind of enclosed sampling and moisture content detection device of hydrogen fluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426246A (en) * | 2019-09-18 | 2019-11-08 | 冠礼控制科技（上海）有限公司 | A kind of high-pure anhydrous hydrofluoric acid sampling equipment and its sampling method |
-
2018
- 2018-03-15 CN CN201820354647.8U patent/CN207923763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426246A (en) * | 2019-09-18 | 2019-11-08 | 冠礼控制科技（上海）有限公司 | A kind of high-pure anhydrous hydrofluoric acid sampling equipment and its sampling method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: 1399 Gongye Road, Tangshan Town, Huantai County, Zibo City, Shandong Province, 256400 Patentee after: Shandong Dongyue Green Cold Technology Co.,Ltd. Address before: 256401 Tangshan Town, Huantai County, Zibo City, Shandong Province Patentee before: SHANDONG DONGYUE CHEMICAL Co.,Ltd. |
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| TR01 | Transfer of patent right |