CN220932466U - Device for airtight sampling of chloroethylene converter - Google Patents
Device for airtight sampling of chloroethylene converter Download PDFInfo
- Publication number
- CN220932466U CN220932466U CN202322668002.5U CN202322668002U CN220932466U CN 220932466 U CN220932466 U CN 220932466U CN 202322668002 U CN202322668002 U CN 202322668002U CN 220932466 U CN220932466 U CN 220932466U
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- CN
- China
- Prior art keywords
- sampling
- converter
- reset
- vinyl chloride
- airtight
- Prior art date
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 103
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000006096 absorbing agent Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 14
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 239000003513 alkali Substances 0.000 abstract description 8
- 239000002912 waste gas Substances 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000002407 reforming Methods 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a device for airtight sampling of a chloroethylene converter, which comprises: the device comprises a conveying pipe, wherein one end of the conveying pipe is fixedly connected with a converter, an absorber is arranged at one end of the converter, the absorber is connected with the converter through the conveying pipe, a sampling port is arranged at one end of the absorber, the sampling port is connected with the absorber through the conveying pipe, and a combined tower is arranged at one end of the sampling port. The utility model provides a device for airtight sampling of a vinyl chloride converter, which realizes airtight sampling by reforming a sampling port of the converter in the conversion process of the vinyl chloride device, eliminates leakage of toxic and harmful gas, eliminates the waste gas generated by sampling from entering the inside of a combined tower, eliminates a site absorption barrel, eliminates the risk of alkali liquor burn by inspection personnel, and solves the safety and environmental protection risk of the leakage of site sampling gas.
Description
Technical Field
The utility model relates to the field of vinyl chloride converters, in particular to a device for airtight sampling of a vinyl chloride converter.
Background
Vinyl chloride, also known as vinyl chloride, is an organic compound and is an important monomer for high molecular chemical engineering.
The on-site sampler of the chloroethylene conversion unit adopts manual sampling, an absorption barrel is arranged at a sampling port of the converter, alkali liquor is filled in the absorption barrel, waste gas generated by sampling is absorbed, double valves of sampling pipes adopted by absorption are severely corroded, toxic and harmful mediums are easily leaked during sampling, and alkali liquor in the absorption barrel needs to be replaced by inspection staff, so that the risk of alkali liquor burn exists.
Therefore, it is necessary to provide a device for airtight sampling of a vinyl chloride converter to solve the above-mentioned problems.
Disclosure of utility model
The utility model provides a device for airtight sampling of a chloroethylene converter, which solves the problems that the chloroethylene is easy to cause leakage of toxic and harmful media during sampling and the alkali liquor in an absorption barrel needs to be replaced by a patrol personnel.
In order to solve the technical problems, the utility model provides a device for airtight sampling of a chloroethylene converter, which comprises:
One end of the conveying pipe is fixedly connected with a converter;
The absorber is arranged at one end of the converter, and the absorber is connected with the converter through a conveying pipe;
The sampling port is arranged at one end of the absorber, and the sampling port is connected with the absorber through a conveying pipe;
The combined tower is arranged at one end of the sampling port.
Preferably, the surface sliding connection of sampling mouth has the slip ring, the fixed cover that is connected with of surface fixing of sampling mouth.
Preferably, the bottom of the fixed sleeve is fixedly connected with a sealing gasket, and the sealing gasket is made of rubber materials.
Preferably, the inside of fixed cover is provided with reset assembly, reset assembly includes reset groove, reset groove's inside sliding connection has reset block, reset block's one end just is located reset groove's inside is provided with reset spring.
Preferably, a fixing assembly is arranged on one side of the reset block, the fixing assembly comprises a fixing hole, and a fixing pin is connected inside the fixing hole in a sliding manner.
Preferably, the inside of sampling mouth is provided with spacing subassembly, spacing subassembly includes the spacing groove, the inside sliding connection in spacing groove has the stopper.
Preferably, the limit groove is a semicircular groove, one end of the limit groove extends to one side to form a hidden groove, and the limit block is matched with the limit groove.
Compared with the related art, the device for airtight sampling of the chloroethylene converter has the following beneficial effects:
The utility model provides a device for airtight sampling of a vinyl chloride converter, which realizes airtight sampling by reforming a sampling port of the converter in the conversion process of the vinyl chloride device, eliminates leakage of toxic and harmful gas, eliminates the waste gas generated by sampling from entering the inside of a combined tower, eliminates a site absorption barrel, eliminates the risk of alkali liquor burn by inspection personnel, and solves the safety and environmental protection risk of the leakage of site sampling gas.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a device for airtight sampling of a vinyl chloride converter according to the present utility model;
FIG. 2 is a flow chart of the overall operation of the apparatus shown in FIG. 1;
FIG. 3 is a schematic diagram of a second embodiment of a device for airtight sampling of a vinyl chloride converter according to the present utility model;
FIG. 4 is a schematic view of the spacing assembly shown in FIG. 1;
Fig. 5 is an enlarged schematic view of a portion a shown in fig. 3.
Reference numerals in the drawings: 1. converter 2, adsorber, 3, sampling port, 4, the combination tower, 5, slip ring, 6, fixed cover, 7, reset subassembly, 71, reset groove, 72, reset piece, 73, reset spring, 8, fixed subassembly, 81, fixed orifices, 82, fixed pin, 9, spacing subassembly, 91, limit groove, 92, stopper, 10, conveyer pipe.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a device for airtight sampling of a vinyl chloride converter according to the present utility model; fig. 2 is a flowchart of the overall operation of the apparatus shown in fig. 1. A device for closed sampling of a vinyl chloride converter, comprising:
a conveying pipe 10, wherein one end of the conveying pipe 10 is fixedly connected with a converter 1;
One end of the conveying pipe 10 is fixedly provided with a three-way joint, the three-way joint is connected with the two converters 1, and the two converters 1 are connected through the conveying pipe 10 absorber 2, so that the absorber 2 absorbs waste gas generated by sublimation of mercury chloride, which is caused by overhigh temperature, when the converters 1 operate.
The chloroethylene converter is a fixed bed reactor, a low mercury catalyst is filled in a tube array, and acetylene gas and hydrogen chloride gas are subjected to chemical reaction in the converter to generate chloroethylene.
Converter sampling analysis directs the conversion proportioning operation.
The waste gas generated in the sampling process is discharged into the absorption barrel in the existing sampling mode, the risk that toxic gas overflows and endangers the professional health safety of staff and environmental pollution exists, and the waste gas generated in the sampling process can be discharged into the combined tower for absorption treatment through airtight sampling transformation, so that the risk of toxic gas overflows is avoided.
An adsorber 2, wherein the adsorber 2 is arranged at one end of the converter 1, and the adsorber 2 is connected with the converter 1 through a conveying pipe 10;
The sampling port 3 is arranged at one end of the absorber 2, and the sampling port 3 is connected with the absorber 2 through a conveying pipe 10;
the sampling port 3 is transformed, the sampling port 3 is sealed by a rubber pad, the outside is fixed by a special nut end, and 1 PVDF hand valve DN25PN16 is respectively added before and after the sampling port 3.
And (3) arranging a branch pipe of a sampling port 3, adopting a carbon steel pipe with phi 32 multiplied by 3mm, arranging a main pipe behind the sampling port 3, adopting a carbon steel pipe with phi 57 multiplied by 3.5mm, and introducing gas generated by sampling into the combined tower 4.
When sampling, the front and rear hand valves of the sampling port 3 are opened, the gas in the outlet pipe of the converter 1 is discharged to the sampling port main pipe de-combination tower 4, the sample gas is ensured to be representative, after about one minute of discharge, the injection needle tube is used for sampling, and after the sampling is finished, the inlet valve of the sampling port 3 is closed, and then the outlet valve is closed.
And the combined tower 4 is arranged at one end of the sampling port 3.
The two sampling ports 3 are connected with the combined tower 4 through a conveying pipe 10.
The utility model provides a working principle of a device for airtight sampling of a chloroethylene converter, which comprises the following steps:
In use, after vinyl chloride is fed into the interior of the converter 1 through the feed pipe 10, the exhaust gas is adsorbed by the adsorber 2.
When sampling, the front and rear hand valves of the sampling port 3 are opened, the gas in the outlet pipe of the converter 1 is discharged to the sampling port main pipe de-combination tower 4, the sample gas is ensured to be representative, after about one minute of discharge, the injection needle tube is used for sampling, and after the sampling is finished, the inlet valve of the sampling port 3 is closed, and then the outlet valve is closed.
Compared with the related art, the device for airtight sampling of the chloroethylene converter has the following beneficial effects:
The utility model provides a device for airtight sampling of a vinyl chloride converter, which realizes airtight sampling by reforming a sampling port 3 of a converter 1 in a vinyl chloride device conversion process, eliminates leakage of toxic and harmful gases, eliminates an on-site absorption barrel by introducing waste gas generated by sampling into the inside of a combined tower 4, eliminates alkali liquor replacement by inspection personnel, eliminates the risk of alkali liquor burn, and solves the safety and environmental protection risk of on-site sampling gas leakage.
Second embodiment
Referring to fig. 3, fig. 4 and fig. 5 in combination, another apparatus for airtight sampling of a vinyl chloride converter is provided according to a second embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the device for airtight sampling of a vinyl chloride converter provided by the second embodiment of the present application is different in that, in the device for airtight sampling of a vinyl chloride converter, a sliding ring 5 is slidably connected to the surface of the sampling port 3, and a fixing sleeve 6 is fixedly connected to the surface of the sampling port 3.
The bottom of the fixed sleeve 6 is fixedly connected with a sealing gasket, and the sealing gasket is made of rubber materials.
The inside of fixed cover 6 is provided with reset assembly 7, reset assembly 7 includes reset groove 71, reset groove 71's inside sliding connection has reset piece 72, reset piece 72's one end and be located reset groove 71's inside is provided with reset spring 73.
One side of the reset block 72 is provided with a fixing assembly 8, the fixing assembly 8 comprises a fixing hole 81, and a fixing pin 82 is slidably connected inside the fixing hole 81.
The inside of sampling mouth 3 is provided with spacing subassembly 9, spacing subassembly 9 includes spacing groove 91, the inside sliding connection of spacing groove 91 has stopper 92.
The limiting groove 91 is a semicircular groove, one end of the limiting groove 91 extends to one side to form a hidden groove, and the limiting block 92 is matched with the limiting groove 91.
The sampling port 3 comprises a stabilizing sleeve, the stabilizing sleeve is fixedly arranged on the surface of the conveying pipe 10, a mounting hole is formed in the stabilizing sleeve, a mounting pipe is connected in the mounting hole in a sliding mode, a rubber pad is fixedly connected in the mounting pipe and used for facilitating the insertion of a needle tube for sampling, a sliding ring 5 is connected to the surface of the mounting pipe in a sliding mode, and a fixing sleeve 6 is connected to the surface of the mounting pipe in a fixed mode.
The sealing gasket seals the gap at the joint between the mounting pipe and the stabilizing sleeve, thereby preventing leakage of waste gas.
The reset groove 71 has been seted up to the inside of fixed cover 6, the inside of two reset grooves 71 is all sliding connection has reset piece 72, the inside of two reset pieces 72 is all fixedly connected with fixed pin 82, the bottom of sliding ring 5 is all fixedly connected with to the one end of two fixed pins 82, the fixed orifices of fixed pin 82 looks adaptation have all been seted up to the inside of stabilizing cover and stopper 92 for after the stopper 92 rotates suitable position in the installation, reset spring 73 is promoting reset piece 72 and is being connected with the inside that fixed pin 82 enters into fixed orifices 81, spacing is carried out stopper 92.
The inside of stabilizing the cover is seted up in two spacing grooves 91, and the inside of two spacing grooves 91 is all sliding connection has stopper 92, and the blind groove is used for moving to one side after the inside that stopper 92 entered into spacing groove 91 to enter into the inside back of blind groove, carry out preliminary fixed to the installation pipe.
The utility model provides a working principle of a device for airtight sampling of a chloroethylene converter, which comprises the following steps:
When the sampling port 3 needs to be replaced, the sliding ring 5 is moved to one side to drive the fixing pin 82 to move to one side, the fixing pin 82 is moved to one side to drive the reset block 72 to move to one side in the reset groove 71, the reset spring 73 is extruded at the same time, after the fixing pin 82 is moved to one side to be separated from the fixing hole 81, the sampling port 3 is rotated to one side to drive the limiting block 92 to move to one side in the limiting groove 91, and after the limiting block 92 is moved to a proper position, the sliding ring 5 is pulled to one side to drive the sampling port 3 to move to one side, so that the limiting block 92 is driven to be separated from the limiting groove 91, and the sampling port 3 can be detached to be replaced.
Compared with the related art, the device for airtight sampling of the chloroethylene converter has the following beneficial effects:
The utility model provides a device for airtight sampling of a vinyl chloride converter, which is characterized in that a sliding ring 5 is pulled to one side to drive a fixed assembly 8 to move to one side and simultaneously squeeze a reset assembly 7, after the fixed assembly 8 is separated, a sampling port 3 is rotated to one side to drive a limiting assembly 9 to rotate to one side to a proper position and then move to one side for separation, and then the sampling port 3 can be detached, so that the sampling port 3 is convenient to replace.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A device for closed sampling of a vinyl chloride converter, comprising:
One end of the conveying pipe is fixedly connected with a converter;
The absorber is arranged at one end of the converter, and the absorber is connected with the converter through a conveying pipe;
The sampling port is arranged at one end of the absorber, and the sampling port is connected with the absorber through a conveying pipe;
The combined tower is arranged at one end of the sampling port.
2. The device for airtight sampling of a vinyl chloride converter according to claim 1, wherein a sliding ring is slidingly connected to the surface of the sampling port, and a fixing sleeve is fixedly connected to the surface of the sampling port.
3. The device for airtight sampling of a vinyl chloride converter according to claim 2, wherein a sealing gasket is fixedly connected to the bottom of the fixing sleeve, and the sealing gasket is made of rubber material.
4. The device for airtight sampling of a vinyl chloride converter according to claim 3, wherein a reset assembly is provided in the fixing sleeve, the reset assembly comprises a reset groove, a reset block is slidably connected in the reset groove, and a reset spring is provided at one end of the reset block and in the reset groove.
5. The device for airtight sampling of a vinyl chloride converter according to claim 4, wherein a fixing assembly is provided at one side of the reset block, the fixing assembly comprises a fixing hole, and a fixing pin is slidably connected to the inside of the fixing hole.
6. The device for airtight sampling of a vinyl chloride converter according to claim 2, wherein a limiting component is arranged in the sampling port, the limiting component comprises a limiting groove, and a limiting block is slidably connected in the limiting groove.
7. The device for airtight sampling of a vinyl chloride converter according to claim 6, wherein the limiting groove is a semicircular groove, one end of the limiting groove extends to one side to form a hidden groove, and the limiting block is matched with the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668002.5U CN220932466U (en) | 2023-10-07 | 2023-10-07 | Device for airtight sampling of chloroethylene converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668002.5U CN220932466U (en) | 2023-10-07 | 2023-10-07 | Device for airtight sampling of chloroethylene converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220932466U true CN220932466U (en) | 2024-05-10 |
Family
ID=90931967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322668002.5U Active CN220932466U (en) | 2023-10-07 | 2023-10-07 | Device for airtight sampling of chloroethylene converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220932466U (en) |
-
2023
- 2023-10-07 CN CN202322668002.5U patent/CN220932466U/en active Active
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