CN214040811U - Sampling device with cooling effect - Google Patents
Sampling device with cooling effect Download PDFInfo
- Publication number
- CN214040811U CN214040811U CN202023089690.2U CN202023089690U CN214040811U CN 214040811 U CN214040811 U CN 214040811U CN 202023089690 U CN202023089690 U CN 202023089690U CN 214040811 U CN214040811 U CN 214040811U
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- China
- Prior art keywords
- cooling
- pipe
- box
- box body
- sampling device
- 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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- 238000001816 cooling Methods 0.000 title claims abstract description 127
- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- -1 polyethylene Polymers 0.000 abstract description 30
- 239000004698 Polyethylene Substances 0.000 abstract description 17
- 229920000573 polyethylene Polymers 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device with cooling effect relates to low molecular weight polyethylene preparation field, and its technical scheme main points a sampling device with cooling effect, its characterized in that: comprises a cooling pipe, a switch valve and a cooling box, wherein the cooling pipe is communicated with the reaction kettle; the number of the switch valves is two, and the two switch valves are arranged on the cooling pipe; the cooling pipe passes through the cooling box, the cooling box is located between the two switch valves, and cold water is introduced into the cooling box. The utility model discloses a set up two ooff valves to ensure the sample in-process, ethylene, propylene under the high temperature state in the reation kettle can not contact with a large amount of air, avoided ethylene, propylene under the high temperature state to produce the explosion because of contacting with a large amount of air.
Description
Technical Field
The utility model relates to a low molecular weight polyethylene preparation field, more specifically the saying so, it relates to a sampling device with cooling effect.
Background
Polyethylene wax is a chemical material and is widely used because of its excellent cold resistance, heat resistance, chemical resistance and wear resistance. The polyethylene wax is obtained by high-temperature cracking of polyethylene, and the polyethylene after cracking enters a reaction kettle to remove impurities to produce the polyethylene wax.
After cracking, the polyethylene is kept stand and precipitated in a reaction kettle, and carbide impurities generated by cracking are precipitated at the bottom of the reaction kettle and are discharged from a discharge hole arranged at the bottom of the reaction kettle; because the low molecular impurity and the air that the schizolysis produced mix together with polyethylene, consequently need let in nitrogen gas in to reation kettle, the polyethylene after the schizolysis is stirred by the agitating unit in the reation kettle, and low molecular impurity and air are discharged from the polyethylene after the schizolysis, and low molecular impurity and air are taken away through the evacuating device that the reation kettle top set up. At the moment, the residual liquid in the reaction kettle is polyethylene wax, and the polyethylene wax is discharged from the discharge hole.
The reation kettle bottom still is provided with the sample connection, and for guaranteeing that the impurity in low molecular weight polyethylene is discharged, low molecular weight polyethylene is discharged from the drain hole before, and the staff can take out partial low molecular weight polyethylene from the sample connection earlier and detect.
Because the temperature in the reaction kettle is very high and combustible gases such as ethylene, propylene and the like can be generated after the polyethylene is pyrolyzed at high temperature, the ethylene and the propylene in the reaction kettle in a high-temperature state are easy to explode due to the contact with a large amount of air in the sampling process.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sampling device with cooling effect, it is through setting up two ooff valves to ensure the sample in-process, ethylene, propylene under the high temperature state in the reation kettle can not contact with a large amount of air, have avoided ethylene, propylene under the high temperature state to produce the explosion because of contacting with a large amount of air.
In order to achieve the above purpose, the utility model provides a following technical scheme: a sampling device with a cooling effect comprises a cooling pipe, a switch valve and a cooling box, wherein the cooling pipe is communicated with a reaction kettle; the number of the switch valves is two, and the two switch valves are arranged on the cooling pipe; the cooling pipe passes through the cooling box, the cooling box is located between the two switch valves, and cold water is introduced into the cooling box.
Through adopting above-mentioned technical scheme, set up two ooff valves to ensure the sample in-process, ethylene, propylene under the high temperature condition in the reation kettle can not contact with a large amount of air, avoided ethylene, propylene under the high temperature condition because of producing the explosion with a large amount of air contact. And simultaneously, the utility model discloses can cool off the inside sample that is located cooling box through the water-cooling to improve the cooling rate of the interior sample of cooling tube.
The utility model discloses further set up to: the cooling box is communicated with the water inlet pipe and the water outlet pipe.
By adopting the technical scheme, the utility model discloses further set up to: the water outlet pipe is positioned above the cooling pipe.
Through adopting above-mentioned technical scheme, water in the cooling box can with be located the cooling tube outer wall in the cooling box and contact completely, has further improved the cooling rate of sample in the cooling tube.
The utility model discloses further set up to: the part of the cooling pipe, which is positioned in the cooling box, is an S-shaped bent pipe.
By adopting the technical scheme, the utility model discloses a set up the cooling tube into S type return bend, increased the cooling tube length that is located the cooling box, further improved the cooling rate of the interior sample of cooling tube.
The utility model discloses further set up to: the cooling box comprises a first box body and a second box body, and cooling grooves for containing water are formed in two sides, close to each other, of the first box body and the second box body; the first box body and the second box body clamp the cooling pipe in the middle, and the first box body and the second box body are detachably connected together.
The utility model discloses further set up to: the cooling box also comprises a fastening bolt which detachably connects the second box body and the first box body together.
The utility model discloses further set up to: still include the connecting pipe, the one end and the reation kettle fixed connection that the connecting pipe is close to reation kettle, and the one end that the connecting pipe deviates from reation kettle links together with the one end detachable that the cooling tube is close to reation kettle, connecting pipe and reation kettle and cooling tube intercommunication.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the utility model discloses a set up two ooff valves for in the sample process, ethylene, propylene under the high temperature condition in the reation kettle can not contact with a large amount of air, have avoided ethylene, propylene under the high temperature condition to produce the explosion because of contacting with a large amount of air.
2. This embodiment has set up the cooling box, through water-cooling mode, has improved the cooling rate of sample in the cooling tube.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of a cooling tube;
in the figure: 1. a cooling tube; 2. an on-off valve; 3. a reaction kettle; 4. a cooling box; 41. a first case; 42. a second box body; 421. a cooling tank; 43. fastening a bolt; 5. a water inlet pipe; 6. a water outlet pipe; 7. and (4) connecting the pipes.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example (b):
as shown in fig. 1 and fig. 2, a sampling device with a cooling effect according to a preferred embodiment of the present invention includes a cooling tube 1 and a switch valve 2, wherein one end of the cooling tube 1 near a reaction kettle 3 is communicated with the reaction kettle 3; the two switch valves 2 are respectively arranged at two ends of the cooling pipe 1 and used for controlling the flow of liquid in the cooling pipe 1. During sampling, the switch valve 2 far away from the reaction kettle 3 is in a closed state, and the switch valve 2 close to the reaction kettle 3 is opened, so that the liquid in the reaction kettle 3 flows into the cooling pipe 1; and then closing the switch valve 2 close to the reaction kettle 3, and opening the switch valve 2 far away from the reaction kettle 3 after the liquid in the cooling pipe 1 is cooled, so as to take out the sample in the cooling pipe 1. This embodiment is through setting up two ooff valves 2 to ensure the sample in-process, ethylene, propylene under high temperature condition in reation kettle 3 can not contact with a large amount of air, avoided ethylene, propylene under high temperature condition because of producing the explosion with a large amount of air contact.
This embodiment still includes cooling box 4, inlet tube 5 and outlet pipe 6, and cooling tube 1 passes cooling box 4 to with cooling box 4 fixed connection, cooling box 4 is located between two ooff valves 2. The water inlet pipe 5 and the water outlet pipe 6 are communicated with the cooling box 4 and are fixedly connected with the cooling box 4. When a sample in a high-temperature state is arranged in the cooling pipe 1 between the two switch valves 2, cold water is introduced into the cooling box 4 from the water inlet pipe 5, and the water in the cooling box 4 is discharged from the water outlet pipe 6 after absorbing the heat of the sample in the cooling pipe 1, so that the cooling speed of the sample in the cooling pipe 1 is improved.
Preferably, outlet pipe 6 is located cooling tube 1 top for the water in cooling box 4 can be in complete contact with the cooling tube 1 outer wall that is located cooling box 4, has further improved the cooling rate of sample in cooling tube 1.
Preferably, the cooling pipe 1 in the cooling box 4 is an S-shaped bent pipe, and one end of the cooling pipe 1 close to the reaction kettle 3 is higher than one end of the cooling pipe 1 far away from the reaction kettle 3. This embodiment has increased the 1 length of cooling tube that is located cooling box 4 through setting up cooling tube 1 into S type return bend, has further improved the cooling rate of sample in the cooling tube 1.
Preferably, the cooling box 4 comprises a first box body 41, a second box body 42 and a fastening bolt 43; the two sides of the first box body 41 and the second box body 42 which are close to each other are provided with cooling grooves 421 for containing water; the first box 41 and the second box 42 sandwich the cooling pipe 1, and the fastening bolt 43 passes through the first box 41 and the second box 42 to be screwed, so that the first box 41 and the second box 42 are locked together.
This embodiment still includes connecting pipe 7, and connecting pipe 7 is close to reation kettle 3's one end and 3 fixed connection of reation kettle, and connecting pipe 7 and 3 intercommunications of reation kettle, connecting pipe 7 deviate from reation kettle 3's one end and cooling tube 1 and be close to reation kettle 3's one end threaded connection. In this embodiment, the cooling pipe 1 is connected to the reaction kettle 3 through a connection pipe 7 by a screw thread, so that the cooling pipe 1 can be maintained.
In conclusion, this embodiment is through setting up two ooff valves 2 to ensure the sample in-process, ethylene, propylene under high temperature state in reation kettle 3 can not contact with a large amount of air, avoided ethylene, propylene under high temperature state because of producing the explosion with a large amount of air contact. Simultaneously this embodiment sets up cooling box 4, through the water-cooling mode, has improved the cooling rate of sample in the cooling tube 1.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a sampling device with cooling effect which characterized in that: comprises a cooling pipe (1), a switch valve (2) and a cooling box (4), wherein the cooling pipe (1) is communicated with a reaction kettle (3); two switch valves (2) are arranged, and the two switch valves (2) are arranged on the cooling pipe (1); the cooling pipe (1) penetrates through the cooling box (4), the cooling box (4) is located between the two switch valves (2), and cold water is introduced into the cooling box (4).
2. A sampling device having a cooling effect according to claim 1, wherein: the cooling box is characterized by further comprising a water inlet pipe (5) and a water outlet pipe (6), wherein the water inlet pipe (5) and the water outlet pipe (6) are communicated with the cooling box (4).
3. A sampling device having a cooling effect according to claim 2, wherein: the water outlet pipe (6) is positioned above the cooling pipe (1).
4. A sampling device having a cooling effect according to claim 2, wherein: the cooling pipe (1) is positioned in the cooling box (4) and is an S-shaped bent pipe.
5. A sampling device having a cooling effect according to claim 1, wherein: the cooling box (4) comprises a first box body (41) and a second box body (42), and cooling grooves (421) for containing water are formed in two sides, close to each other, of the first box body (41) and the second box body (42); the cooling pipe (1) is clamped between the first box body (41) and the second box body (42), and the first box body (41) and the second box body (42) are detachably connected together.
6. A sampling device with a cooling effect according to claim 5, characterized in that: the cooling box (4) further comprises a fastening bolt (43), and the second box body (42) and the first box body (41) are detachably connected together through the fastening bolt (43).
7. A sampling device having a cooling effect according to claim 1, wherein: still include connecting pipe (7), one end and reation kettle (3) fixed connection that connecting pipe (7) are close to reation kettle (3), and connecting pipe (7) deviate from reation kettle (3) one end and cooling tube (1) and be close to reation kettle (3) one end detachable link together, and connecting pipe (7) and reation kettle (3) and cooling tube (1) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089690.2U CN214040811U (en) | 2020-12-18 | 2020-12-18 | Sampling device with cooling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089690.2U CN214040811U (en) | 2020-12-18 | 2020-12-18 | Sampling device with cooling effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214040811U true CN214040811U (en) | 2021-08-24 |
Family
ID=77340375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023089690.2U Expired - Fee Related CN214040811U (en) | 2020-12-18 | 2020-12-18 | Sampling device with cooling effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214040811U (en) |
-
2020
- 2020-12-18 CN CN202023089690.2U patent/CN214040811U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |