CN214793989U - Online sampling device of chlorohydrin synthetic fluid - Google Patents
Online sampling device of chlorohydrin synthetic fluid Download PDFInfo
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- CN214793989U CN214793989U CN202120223687.0U CN202120223687U CN214793989U CN 214793989 U CN214793989 U CN 214793989U CN 202120223687 U CN202120223687 U CN 202120223687U CN 214793989 U CN214793989 U CN 214793989U
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- return
- liquid inlet
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- 238000005070 sampling Methods 0.000 title claims abstract description 76
- 239000012530 fluid Substances 0.000 title claims abstract description 18
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 claims abstract description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model discloses an online sampling device of chlorohydrin synthetic fluid relates to the online sampling device field of solution. The online sampling device for the chloroethanol synthetic solution comprises a liquid inlet pipeline, a sampling box, return pipelines and a vacuum system, wherein one end of the liquid inlet pipeline is inserted into the reaction kettle, the other end of the liquid inlet pipeline is connected with the upper part of the sampling box, the upper end and the lower end of the sampling box are respectively connected with one return pipeline, and the other ends of the two return pipelines are respectively inserted into the reaction kettle; the lower part of the sampling box is provided with a sampling valve; the upper end of the sampling box is connected with a vacuum system through a vacuum pipeline. The device provided by the utility model is simple in operation, safe and reliable, the sampling box forms a closed sampling space with the reaction kettle through the liquid inlet pipeline and the return pipeline, the phenomenon of liquid leakage is avoided, the sampling process can not cause injury to human body, and the environmental pollution can not be caused; and the residual sample after sampling is returned to the reaction kettle through the return pipeline, so that the solution waste is reduced while the residual sample is recovered and treated.
Description
Technical Field
The utility model relates to an online sampling device field of chemical solution especially relates to an online sampling device of chlorohydrin synthetic fluid.
Background
Chloroethanol is a colorless or light yellow transparent organic solvent and is an important raw material for synthesizing polysulfide rubber. Chlorohydrin is toxic, flammable, irritating, and dangerous to burn in high heat, open flame or oxidant. In the process of synthesizing and detecting the chloroethanol, the operation of extracting a sample on line is needed, and manual sampling is usually adopted on site. However, there are certain drawbacks to relying on manual freehand sampling: the sample of taking out is shed easily, and the sample position is not enough degree of depth, and the sample result is inaccurate, takes out the not easily controlled of sample quantity, and the sample causes health hazard to the personnel of taking a sample, and remaining sample can't be retrieved, and random treatment can cause a great deal of problems such as injury to environment and producers.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an easy and simple to handle, practical and reliable's online sampling device of chlorohydrin synthetic fluid, this device takes a sample under airtight condition, avoids the liquid material to expose and causes injury or pollution to people and environment in the air.
In order to realize the technical purpose, the utility model adopts the following scheme: the online sampling device for the chloroethanol synthetic solution comprises a liquid inlet pipeline, a sampling box, return pipelines and a vacuum system, wherein one end of the liquid inlet pipeline is inserted into the reaction kettle, the other end of the liquid inlet pipeline is connected with the upper part of the sampling box, the upper end and the lower end of the sampling box are respectively connected with one return pipeline, and the other ends of the two return pipelines are respectively inserted into the reaction kettle; the lower part of the sampling box is provided with a sampling valve; the upper end of the sampling box is connected with a vacuum system through a vacuum pipeline.
Compared with the prior art, the beneficial effects of the utility model reside in that: the device provided by the utility model is simple to operate, safe and reliable, improves the working efficiency, and meets the requirement of online sampling of the chloroethanol synthetic fluid; the sampling box forms a closed sampling space with the reaction kettle through the liquid inlet pipeline and the return pipeline, so that the phenomenon of liquid leakage is avoided, no harm is caused to a human body in the sampling process, and no environmental pollution is caused; and the residual sample is returned to the reaction kettle through the return pipeline, so that the solution waste is reduced while the residual sample is recovered and treated.
The utility model discloses an optimal scheme does:
the liquid inlet pipeline, the return pipeline and the vacuum pipeline are respectively made of polytetrafluoroethylene hoses, and the polytetrafluoroethylene hoses have good corrosion resistance.
The inlet of the liquid inlet pipeline is inserted and fixed at the bottom of the reaction kettle, and the outlet of the return pipeline is inserted and fixed at the upper part of the reaction kettle, so that the sampling depth is ensured.
A buffer tank is arranged between the vacuum system and the sampling box, so that liquid is prevented from overflowing to enter the vacuum system.
The liquid inlet pipeline is provided with a liquid inlet valve, the vacuum pipeline is provided with a vacuum valve, and the return pipeline is provided with a return valve.
The liquid inlet valve, the sampling valve, the backflow valve and the vacuum valve are respectively made of ball valves made of polytetrafluoroethylene materials, so that the corrosion resistance is good, and the service life of parts is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an online sampling device for a chlorohydrin synthetic fluid provided by an embodiment of the present invention;
labeled as: reaction kettle 1, feed liquor pipeline 2, feed liquor valve 21, first return line 3, balance valve 31, second return line 4, drain valve 41, sample box 5, vacuum pipeline 6, vacuum valve 61, buffer tank 7, sample valve 8.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and functions of the present invention, but the present invention is not limited thereto.
Please refer to fig. 1, the utility model provides a pair of online sampling device of chlorohydrin synthetic liquid comprises feed liquor pipeline 2, sampling box 5, return line and vacuum system etc. and the chlorohydrin synthetic reaction goes on in reation kettle 1, is provided with the sample connection on reation kettle 1, and a plug of taking the through-hole is adorned to sample connection department stopper, and feed liquor pipeline 2 and return line pass the plug cartridge respectively in reation kettle 1. The inlet end of the liquid inlet pipeline 2 is inserted into the bottom of the reaction kettle 1 and fixed through a balancing weight, and the other end of the liquid inlet pipeline 2 is connected with the upper part of the sampling box 5. The return line divide into first return line 3 and second return line 4, and the upper end of sampling box 5 is connected with first return line 3, and the lower terminal surface of sampling box 5 is connected with second return line 4, and the exit end of first return line 3 and second return line 4 cartridge respectively is on reation kettle 1's upper portion. Wherein, the liquid inlet pipeline 2 is provided with a liquid inlet valve 21, the first return pipeline 3 is provided with a balance valve 31, and the second return pipeline 4 is provided with a purge valve 41. Preferably, sampling box 5 adopts polytetrafluoroethylene piece lathe work to form, and sampling box 5's shell body is the cuboid structure of 100mm x 400mm, and the inner chamber is the cuboid structure of 30mm x 350 mm. The balancing weight is a polytetrafluoroethylene ingot.
The upper end of the sampling box 5 is also connected with a buffer tank 7 through a vacuum pipeline 6, the buffer tank 7 is connected with a vacuum system through the vacuum pipeline 6, and a vacuum valve 61 is arranged on the vacuum pipeline 6 between the sampling box and the buffer tank. The lower part of the sampling box 5 is provided with a sampling valve 8. The vacuum system is a vacuum pump under the laboratory condition, and in the production process of a chemical workshop, the vacuum system is a vacuum system used in a production system.
The sampling use method of the online sampling device for the chloroethanol synthetic liquid comprises the following steps: the first step is as follows: and (4) replacement. The vacuum valve 61 and the liquid inlet valve 21 are opened, other valves are closed, the chloroethanol synthetic solution is pumped into the sampling box 5 from the reaction kettle 1, and the vacuum valve 61 and the liquid inlet valve 21 are closed when the liquid level of the sampling box 5 reaches two thirds of the height. The balance valve 31 and the purge valve 41 are opened, and the chlorohydrin synthesis solution is returned to the reaction tank 1. The above operation was repeated twice.
The second step is that: and (6) sampling. The vacuum valve 61 and the liquid inlet valve 21 are opened firstly, the chloroethanol synthetic liquid is pumped into the sampling box 5, after the liquid level of the sampling box 5 reaches two thirds of the height, the vacuum valve 61 and the liquid inlet valve 21 are closed, and the sampling valve 8 is opened for sampling. And after sampling, closing the sampling valve 8.
The third step: and (4) refluxing. The balance valve 31 and the purge valve 41 are opened, and the remaining chloroethanol synthetic fluid is returned to the reaction vessel 1.
The device provided by the utility model is simple to operate, safe and reliable, and meets the requirement of online sampling of the chloroethanol synthetic fluid; the sampling box 5 forms a closed sampling space with the reaction kettle 1 through the liquid inlet pipeline 2 and the return pipeline, so that the phenomenon of liquid leakage is avoided, no harm is caused to a human body in the sampling process, and no environmental pollution is caused; and the residual sample after sampling is returned to the reaction kettle 1 through a return pipeline, so that the residual sample is recovered and treated while the solution waste is reduced.
Finally, it is noted that: the preferred embodiments of the present invention have been shown and described, and it will be understood that modifications and variations may be made by those skilled in the art without departing from the scope of the invention.
Claims (6)
1. An online sampling device for a chlorohydrin synthetic fluid comprises a fluid inlet pipeline, a sampling box, return pipelines and a vacuum system, and is characterized in that one end of the fluid inlet pipeline is inserted into a reaction kettle, the other end of the fluid inlet pipeline is connected with the upper part of the sampling box, the upper end and the lower end of the sampling box are respectively connected with one return pipeline, and the other ends of the two return pipelines are respectively inserted into the reaction kettle; the lower part of the sampling box is provided with a sampling valve; the upper end of the sampling box is connected with a vacuum system through a vacuum pipeline.
2. The online sampling device for the chloroethanol synthetic fluid is characterized in that a liquid inlet pipeline, a return pipeline and a vacuum pipeline are respectively made of polytetrafluoroethylene hoses.
3. The online sampling device for the chloroethanol synthetic fluid is characterized in that an inlet of a liquid inlet pipeline is inserted and fixed at the bottom of the reaction kettle, and an outlet of a return pipeline is inserted and fixed at the upper part of the reaction kettle.
4. The online sampling device for the chloroethanol synthetic fluid is characterized in that a buffer tank is arranged between a vacuum system and a sampling tank.
5. The online sampling device for the chloroethanol synthetic fluid according to claim 1, wherein a liquid inlet valve is arranged on a liquid inlet pipeline, a vacuum valve is arranged on a vacuum pipeline, and a return valve is arranged on a return pipeline.
6. The online sampling device for the chloroethanol synthetic fluid, according to claim 5, is characterized in that the liquid inlet valve, the sampling valve, the return valve and the vacuum valve are ball valves made of polytetrafluoroethylene respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223687.0U CN214793989U (en) | 2021-01-27 | 2021-01-27 | Online sampling device of chlorohydrin synthetic fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223687.0U CN214793989U (en) | 2021-01-27 | 2021-01-27 | Online sampling device of chlorohydrin synthetic fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793989U true CN214793989U (en) | 2021-11-19 |
Family
ID=78750107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120223687.0U Active CN214793989U (en) | 2021-01-27 | 2021-01-27 | Online sampling device of chlorohydrin synthetic fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793989U (en) |
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2021
- 2021-01-27 CN CN202120223687.0U patent/CN214793989U/en active Active
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