CN209802772U - Plasticizer esterification kettle sampler - Google Patents
Plasticizer esterification kettle sampler Download PDFInfo
- Publication number
- CN209802772U CN209802772U CN201920310147.9U CN201920310147U CN209802772U CN 209802772 U CN209802772 U CN 209802772U CN 201920310147 U CN201920310147 U CN 201920310147U CN 209802772 U CN209802772 U CN 209802772U
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- CN
- China
- Prior art keywords
- sampling
- pipeline
- esterification kettle
- cup
- sampling cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005886 esterification reaction Methods 0.000 title claims abstract description 23
- 230000032050 esterification Effects 0.000 title claims abstract description 22
- 239000004014 plasticizer Substances 0.000 title claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 description 2
- BJAJDJDODCWPNS-UHFFFAOYSA-N dotp Chemical compound O=C1N2CCOC2=NC2=C1SC=C2 BJAJDJDODCWPNS-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
the utility model discloses a plasticizer esterification kettle sampler, belonging to the technical field of plasticizer production equipment, comprising an esterification kettle and a sampling pipe connected with the esterification kettle; the method is characterized in that: the end part of the sampling tube is provided with a buffer, and a metering tank and a sampling seat are arranged on the buffer through a pipeline; the upper end surface of the sampling seat is provided with a groove, the groove is provided with a sampling cup in an inserting manner, an inserting feeding column is arranged in the groove along the vertical direction, and the inserting feeding column is connected with the metering tank through a material guide pipe and a pipeline; the top of sampling cup is provided with the gas collecting channel, the beneficial effects of the utility model are that: the quantitative and accurate sampling is realized, the sampling process is operated under a visual condition, the sampling state and the sampling process can be safely and stably observed; the pipeline is cleaned in all directions without dead angles, and sampling is carried out under the condition of no tank pressure; the gas collecting hood realizes zero emission of waste gas by utilizing the sampling cup matched with the sampling seat; the sampling cup connected in a plugging manner increases the safety and convenience of sampling.
Description
the technical field is as follows:
the utility model belongs to the technical field of the plasticizer production facility, more specifically relates to a plasticizer esterification kettle sampler.
background art:
DOTP was known by its chemical name as dioctyl terephthalate, and was a nearly colorless, low-viscosity liquid having a viscosity of 63mPa.s (25 ℃ C.), 5mPa.s (100 ℃ C.), 410mPa.s (0 ℃ C.). The freezing point is-48 ℃. Boiling point 383 deg.C (0.1) MPa.s0 deg.C. The ignition point is 399 ℃. The DOTP production process is to utilize excess octanol to carry out reaction under the condition of high temperature, the reaction is a reversible reaction and can produce product glycol, in order to obtain the conversion rate to a greater extent, the product glycol needs to be transferred out of the reaction system, but the boiling point of the glycol is 193.7 ℃, and the glycol is easy to dissolve in water; octanol has a boiling point of 184 ℃ and is insoluble in water; a large amount of mixed gas of ethylene glycol and octanol is generated in the reaction process.
In the sampling and detecting process of dioctyl terephthalate serving as an intermediate, most of the existing sampling equipment is open, namely a baiting valve is screwed, and an open beaker is held by hand to receive materials, so that a large amount of mixed gas doped with glycol and octanol is released into the air to damage the body, cause discomfort and pollute the working environment.
at present, some closed sampling devices also appear, but the problems of complicated operation steps, easy flash, difficult cleaning and the like exist.
the utility model has the following contents:
In order to solve the problems and overcome the defects of the prior art, the utility model provides a plasticizer esterification kettle sampler;
The first technical problem to be solved is that: the open material receiving mode is doped with mixed gas of glycol and octanol, and the release of the mixed gas into air can damage the body, cause discomfort and bring pollution to the working environment;
The second technical problem to be solved is that: the closed sampling equipment has the problems of complicated operation steps, easy material overflow, difficult cleaning and the like;
The third technical problem to be solved is: the closed sampling equipment is not easy to measure.
the utility model provides a concrete technical scheme of above-mentioned technical problem does: the plasticizer esterification kettle sampler comprises an esterification kettle and a sampling pipe connected with the esterification kettle; the method is characterized in that: the end part of the sampling tube is provided with a buffer, and a metering tank and a sampling seat are arranged on the buffer through a pipeline;
A sight glass is arranged on the side wall of the measuring tank, a graduated scale is arranged on one side of the sight glass, the bottom of the measuring tank is respectively connected with the buffer and the sampling seat through a pipeline and an electric valve, and the top of the measuring tank is respectively connected with a vacuum pipe valve, an air pressure pipe valve, a water purification pipe valve and an emptying pipe valve through pipelines;
The upper end surface of the sampling seat is provided with a groove, the groove is provided with a sampling cup in an inserting manner, an inserting feeding column is arranged in the groove along the vertical direction, and the inserting feeding column is connected with the metering tank through a material guide pipe and a pipeline;
the top of the sampling cup is provided with an air release valve, the side wall of the sampling cup is provided with a material guide channel, the bottom of the material guide channel is connected with the plug-in feeding column in a plug-in mode, and the top of the material guide channel is communicated with the interior of the sampling cup;
the sampling cup is characterized in that a gas collecting hood is arranged above the sampling cup, one end of the gas collecting hood is provided with a rotating shaft capable of rotating the gas collecting hood, the other side opposite to the rotating shaft is provided with a clamping seat clamped and connected with the gas collecting hood, and the gas collecting hood is connected with a vacuum pipe valve through a ventilating pipeline.
Furthermore, the top of the sampling cup is provided with a sealing cover in threaded connection with the upper end face of the sampling cup.
further, a handle is arranged on the upper end face of the sealing cover.
furthermore, a sealing plug connected in an inserting manner is arranged at the bottom of the material guide channel.
further, a sewage draining hole is formed in one side of the groove.
The utility model has the advantages that:
the device realizes quantitative and accurate sampling, enables the sampling process to be operated under a visual condition, is safe and stable, and can observe the sampling state and the sampling process; the pipeline is cleaned in an all-round and dead-angle-free manner, and sampling is realized under the condition of no tank pressure really;
The device realizes zero emission of waste gas by using the sampling cup matched with the sampling seat and the rotatable gas collecting hood; the sampling cup connected in a plugging manner increases the safety and convenience of sampling.
description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sampling cup structure of the present invention; in the drawings:
1. An esterification kettle; 2. a sampling tube; 3. a buffer; 4. an air compression pipe; 5. a water purifying pipe; 6. an emptying pipe; 7. a vacuum tube; 8. a rotating shaft; 9. a gas-collecting hood; 10. a card holder; 11. a sampling seat; 12. a groove; 13. a sampling cup; 14. inserting a feeding column; 15. a metering tank; 16. a sealing plug; 17. a material guide channel; 18. a sealing cover; 19. a handle; 20. and (4) deflating the valve.
The specific implementation mode is as follows:
To further clarify the objects, aspects and advantages of the present invention, a more complete description of the invention will now be rendered by reference to the appended drawings, which are illustrated in fig. 1-2. In describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
the utility model discloses a concrete implementation mode: the plasticizer esterification kettle sampler comprises an esterification kettle 1 and a sampling pipe 2 connected with the esterification kettle 1; the method is characterized in that: the end part of the sampling tube 2 is provided with a buffer 3, and a metering tank 15 and a sampling seat 11 are arranged on the buffer 3 through a pipeline;
A sight glass is arranged on the side wall of the measuring tank 15, a graduated scale is arranged on one side of the sight glass, the bottom of the measuring tank 15 is respectively connected with the buffer 3 and the sampling seat 11 through a pipeline and an electric valve, and the top of the measuring tank 15 is respectively connected with the emptying pipe 6, the air pressure pipe 4, the purified water pipe 5 and the vacuum pipe 7 through pipelines;
the upper end surface of the sampling seat 11 is provided with a groove 12, the groove 12 is provided with a sampling cup 13 in an inserting manner, an inserting feeding column 14 is arranged in the groove 12 along the vertical direction, and the inserting feeding column 14 is connected with a metering tank 15 through a material guide pipe and a pipeline; a sewage draining hole is arranged at one side of the groove 12;
the top of the sampling cup 13 is provided with an air release valve 20, the side wall of the sampling cup 13 is provided with a material guide channel 17, the bottom of the material guide channel 17 is connected with the plug-in feeding column 14 in a plug-in mode, and the top of the material guide channel 17 is communicated with the inside of the sampling cup 13; the top of the sampling cup 13 is provided with a sealing cover 18 which is in threaded connection with the upper end surface of the sampling cup 13; a handle 19 is arranged on the upper end surface of the sealing cover 18; the bottom of the material guide channel 17 is provided with a sealing plug 16 which is spliced and connected;
A gas-collecting hood 9 is arranged above the sampling cup 13, one end of the gas-collecting hood 9 is provided with a rotating shaft 8 which can enable the gas-collecting hood 9 to rotate, the other side opposite to the rotating shaft 8 is provided with a clamping seat 10 which is clamped and connected with the gas-collecting hood 9, and the gas-collecting hood 9 is connected with the vacuum tube 7 through a ventilation pipeline.
it is to be noted that the utility model relates to a plasticizer esterification kettle sampler, when in specific work,
1. during sampling, the electric valves of the vacuum tube 7 and the metering tank 15 are opened, the electric valves of the metering tank 15 and the sampling tube 2 are opened, at the moment, the materials are sucked into the buffer 3 and transferred to the metering tank 15, a sight glass is arranged on the side wall of the metering tank 15, a graduated scale is arranged on one side of the sight glass, and the actual material quantity of the metering tank 15 can be observed through the sight glass;
2. then, closing the electric valve in the step 1, and opening the electric valves of the air pressure pipe 4 and the measuring tank 15, the electric valves of the measuring tank 15 and the sampling seat 11, and the electric valves of the vacuum pipe 7 and the gas collecting hood 9;
3. at the moment, the material is pumped into the sampling seat 11 by air pressure, the sampling seat 11 is provided with a sampling cup 13 in an insertion mode, a deflation valve 20 of the sampling cup 13 is opened, the material enters the sampling cup 13 through an insertion feeding column 14 and a material guide channel 17, and the mixed gas of ethylene glycol and octanol is discharged through the deflation valve 20 and is sucked away by the vacuum tube 7 through a gas collecting hood 9; at the moment, the purpose of accurate sampling can be achieved, and meanwhile, the mixed gas of the ethylene glycol and the octanol of the material is absorbed by the gas-collecting hood, so that the phenomenon that the body is damaged and discomfort is caused when the air is released is prevented, and the pollution is also caused to the working environment;
4. after sampling, the rotating shaft 8 is rotated to rotate the gas collecting hood 9, the handle 19 is lifted by hands, the sampling cup 13 is lifted, the sealing plug 16 is used for blocking the material guide channel 17, the handle 19 is rotated after reaching a laboratory, the sealing cover 18 is rotated, and sampling and testing are carried out;
5. after the repeated use, open water purification pipe 5 and wash sample holder 11 to utilize the blowoff hole to discharge the washing liquid, open blow-down pipe 6 and open metering tank 15 and buffer 3's motorised valve, put back esterification reaction cauldron 1 with the material of buffer 3.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A plasticizer esterification kettle sampler comprises an esterification kettle (1) and a sampling pipe (2) connected with the esterification kettle (1); the method is characterized in that: a buffer (3) is arranged at the end part of the sampling tube (2), and a metering tank (15) and a sampling seat (11) are arranged on the buffer (3) through a pipeline;
a sight glass is arranged on the side wall of the measuring tank (15), a graduated scale is arranged on one side of the sight glass, the bottom of the measuring tank (15) is respectively connected with the buffer (3) and the sampling seat (11) through a pipeline and an electric valve, and the top of the measuring tank (15) is respectively connected with the emptying pipe (6), the air pressure pipe (4), the purified water pipe (5) and the vacuum pipe (7) through pipelines;
a groove (12) is formed in the upper end face of the sampling seat (11), a sampling cup (13) is arranged in the groove (12) in an inserting mode, an inserting feeding column (14) is arranged in the groove (12) along the vertical direction, and the inserting feeding column (14) is connected with a metering tank (15) through a material guide pipe and a pipeline;
The top of the sampling cup (13) is provided with an air release valve (20), the side wall of the sampling cup (13) is provided with a material guide channel (17), the bottom of the material guide channel (17) is connected with the plug-in feeding column (14) in a plug-in mode, and the top of the material guide channel (17) is communicated with the inside of the sampling cup (13);
a gas collecting hood (9) is arranged above the sampling cup (13), one end of the gas collecting hood (9) is provided with a rotating shaft (8) which can enable the gas collecting hood (9) to rotate, the other side opposite to the rotating shaft (8) is provided with a clamping seat (10) which is clamped and connected with the gas collecting hood (9), and the gas collecting hood (9) is connected with the vacuum tube (7) through a ventilation pipeline.
2. The plasticizer esterification kettle sampler according to claim 1, wherein the top of the sampling cup (13) is provided with a sealing cover (18) in threaded connection with the upper end surface of the sampling cup (13).
3. The plasticizer esterification tank sampler according to claim 2, wherein the upper end surface of the sealing cover (18) is provided with a handle (19).
4. The plasticizer esterification kettle sampler according to claim 1, wherein the bottom of the material guide channel (17) is provided with a plug-in connected sealing plug (16).
5. The plasticizer esterification tank sampler according to claim 1, wherein a drain hole is provided at one side of the groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310147.9U CN209802772U (en) | 2019-03-12 | 2019-03-12 | Plasticizer esterification kettle sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310147.9U CN209802772U (en) | 2019-03-12 | 2019-03-12 | Plasticizer esterification kettle sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802772U true CN209802772U (en) | 2019-12-17 |
Family
ID=68824483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920310147.9U Active CN209802772U (en) | 2019-03-12 | 2019-03-12 | Plasticizer esterification kettle sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802772U (en) |
-
2019
- 2019-03-12 CN CN201920310147.9U patent/CN209802772U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 5 Chenyang Road, New Materials Industrial Park, Jining Canal Economic Development Zone, Rencheng District, Jining City, Shandong Province, 272053 Patentee after: JINING CHANGXING PLASTIC ADDITIVE CO.,LTD. Address before: 272100 Chenyang Road, Ershilipu Industrial Park, Rencheng District, Jining City, Shandong Province Patentee before: JINING CHANGXING PLASTIC ADDITIVE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 5 Chenyang Road, New Materials Industrial Park, Jining Canal Economic Development Zone, Rencheng District, Jining City, Shandong Province, 272053 Patentee after: Shandong Changxing Plastic Additives Co.,Ltd. Address before: No. 5 Chenyang Road, New Materials Industrial Park, Jining Canal Economic Development Zone, Rencheng District, Jining City, Shandong Province, 272053 Patentee before: JINING CHANGXING PLASTIC ADDITIVE CO.,LTD. |