CN220091337U - High-efficient chlorination reaction device of fine chemical engineering - Google Patents
High-efficient chlorination reaction device of fine chemical engineering Download PDFInfo
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- CN220091337U CN220091337U CN202320857112.3U CN202320857112U CN220091337U CN 220091337 U CN220091337 U CN 220091337U CN 202320857112 U CN202320857112 U CN 202320857112U CN 220091337 U CN220091337 U CN 220091337U
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- China
- Prior art keywords
- chlorination
- kettle
- tertiary
- cauldron
- primary
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- 238000005660 chlorination reaction Methods 0.000 title claims abstract description 157
- 239000012847 fine chemical Substances 0.000 title claims abstract description 15
- 238000003889 chemical engineering Methods 0.000 title claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 13
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 21
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052801 chlorine Inorganic materials 0.000 abstract description 17
- 239000000460 chlorine Substances 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 150000001805 chlorine compounds Chemical group 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a high-efficiency chlorination reaction device for fine chemical engineering, which comprises a primary chlorination kettle, a secondary chlorination kettle, a tertiary chlorination kettle and a chloride solution circulating pump, wherein the primary chlorination kettle and the secondary chlorination kettle are connected through a primary chloride solution outlet pipeline, the secondary chlorination kettle and the tertiary chlorination kettle are connected through a secondary chloride solution outlet pipeline, the tertiary chlorination kettle and the chloride solution circulating pump are connected through a chloride solution circulating pipeline, the outlet pipeline of the chloride solution circulating pump is divided into two pipelines which are respectively connected with upper end liquid inlets of the secondary chlorination kettle and the tertiary chlorination kettle, and chlorine emptying pipelines are respectively arranged at the tops of the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle. According to the utility model, through the multistage chlorination reaction device, uniform distribution of chlorine and continuous chlorination of materials are effectively realized, the chlorination solution is subjected to cyclic reaction, the reaction efficiency is greatly improved, the heat generated in the reaction process is removed, and the safety of the operation process is improved.
Description
Technical Field
The utility model belongs to the technical field of chlorination reaction, and particularly relates to a high-efficiency chlorination reaction device for fine chemical engineering.
Background
In the fine chemical production process, the chlorination reaction process is often involved, and the mode of directly connecting chlorine into a reaction kettle is usually adopted, so that on one hand, the chlorination effect is poor, the heat is difficult to remove, the gas phase pressure of the reaction kettle is high, the installation risk is high, on the other hand, continuous chlorination reaction extraction cannot be realized, the production efficiency is low, and the production process cost of enterprises is overhigh.
For example, chinese patent CN202621158U discloses a high-efficiency chlorination reaction device for fine chemical engineering, which comprises a reaction kettle and a chlorination reaction tower, wherein a gas outlet is provided at the top of the reaction kettle, and a material circulation pipe is connected to the top of the reaction kettle and the top of the chlorination reaction tower, so that the chlorination effect of the material circulation pipe is to be improved.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a high-efficiency chlorination reaction device for fine chemical engineering, which solves the defects of low production efficiency, uneven chlorine distribution, poor heat removal and the like in the chlorination reaction process, reduces the safety risk and improves the reaction efficiency.
The specific technical scheme is as follows:
the utility model provides a high-efficient chlorination reaction device of fine chemical engineering, includes one-level chlorination cauldron, second grade chlorination cauldron, tertiary chlorination cauldron and chlorination liquid circulating pump, through one-level chlorination liquid outlet pipe connection between one-level chlorination cauldron and the second grade chlorination cauldron, through second grade chlorination liquid outlet pipe connection between second grade chlorination cauldron and the tertiary chlorination cauldron, through chlorination liquid circulating pipe connection between tertiary chlorination cauldron and the chlorination liquid circulating pump, the outlet pipe of chlorination liquid circulating pump divide into two pipelines and connect the upper end inlet of second grade chlorination cauldron and tertiary chlorination cauldron respectively.
Further, the device also comprises a chlorine inlet pipeline which is divided into three pipelines, and the three pipelines are respectively connected with air inlets at the upper ends of the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle and are respectively communicated with gas distributors at the bottoms of the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle.
Further, the tops of the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle are respectively provided with a chlorine gas emptying pipeline, and all the chlorine gas emptying pipelines are connected in a converging way.
Further, the outer walls of the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle are provided with cooling layers, and the cooling layers are connected with refrigerant inlet and outlet pipelines.
Further, the upper end of the three-stage chlorination kettle is provided with a safety valve emptying pipeline and a tail gas emptying pipeline.
Further, a chloridizing liquid inlet pipeline is arranged at the top of the primary chloridizing kettle, and a product discharging pipeline is arranged at the side edge of the tertiary chloridizing kettle.
The chlorine gas enters the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle respectively through the chlorine gas inlet pipeline, and is distributed through the gas distributor, and the chlorine gas is mixed with liquid in the reaction kettle for reaction, the chlorine liquid in the primary chlorination kettle enters the secondary chlorination kettle through the primary chlorination liquid outlet pipeline, the chlorine liquid in the secondary chlorination kettle enters the tertiary chlorination kettle through the secondary chlorination liquid outlet pipeline, the chlorine gas on the primary chlorination kettle, the secondary chlorination kettle and the tertiary chlorination kettle circulates redundant chlorine gas, the redundant chlorine gas is controlled through the safety valve emptying pipeline and the tail gas emptying pipeline, the safety is guaranteed, the chlorinated solution circulates through the chlorine liquid circulating pump, and when the concentration of the product reaches the requirement, the chlorinated solution is discharged and collected through the product discharging pipeline.
The utility model has the beneficial effects that:
the device can effectively solve the defects of low production efficiency, uneven chlorine distribution and the like in the chlorination reaction process, realize uniform chlorine distribution and continuous chlorination of materials, carry out cyclic reaction on the chlorinated solution, greatly improve the reaction efficiency, and improve the safety of the operation process by being provided with safety facilities.
Drawings
FIG. 1 is a schematic illustration of a process flow of the present utility model;
in the figure: 1. a first-stage chlorination kettle; 2. a secondary chlorination kettle; 3. a third-stage chlorination kettle; 4. a chloride solution circulating pump; 5. a primary chlorinated solution outlet pipe; 6. a secondary chlorination liquid outlet pipe; 7. a chloride solution circulation pipe; 8. a chlorine inlet conduit; 9. a chlorine gas vent line; 10. a cooling layer; 11. the safety valve empties the pipeline; 12. a tail gas vent pipe; 13. a chloridizing fluid inlet pipeline; 14. product discharge pipeline.
Detailed Description
The utility model will be further described with reference to the drawings, but the scope of the utility model is not limited thereto.
As shown in FIG. 1, a high-efficient chlorination reaction device of fine chemical engineering, including one-level chlorination cauldron 1, second grade chlorination cauldron 2, tertiary chlorination cauldron 3 and chloride circulating pump 4, connect through one-level chlorination outlet pipe 5 between one-level chlorination cauldron 1 and the second grade chlorination cauldron 2, connect through second grade chlorination outlet pipe 6 between second grade chlorination cauldron 2 and the tertiary chlorination cauldron 3, connect through chloride circulating pipe 7 between tertiary chlorination cauldron 3 and the chloride circulating pump 4, the outlet pipe of chloride circulating pump 4 falls into two pipelines, connect second grade chlorination cauldron 2 and tertiary chlorination cauldron 3 respectively, chlorine inlet pipe 8 falls into three pipeline, be connected with the air inlet of one-level chlorination cauldron 1, second grade chlorination cauldron 2 and tertiary chlorination cauldron 3 upper end respectively, and with locate respectively that one-level chlorination cauldron 1, second grade chlorination cauldron 2 and tertiary chlorination cauldron 3 bottom gas distributor intercommunication, one-level chlorination cauldron 1, second grade chlorination cauldron 2 and tertiary chlorination cauldron 3's top are equipped with chlorine gas vent pipe 9 respectively, the upper end of all chlorine 3 is equipped with relief valve vent pipe 11 and vent pipe 12, one-level chlorination cauldron 1 is equipped with the cooling layer 10, three-level chlorination cauldron 3 side cooling layer 10, cooling side 13 is equipped with to the cooling medium is equipped with to the third grade chlorination cauldron 3.
The chlorine gas respectively enters the primary chlorination kettle 1, the secondary chlorination kettle 2 and the tertiary chlorination kettle 3 through the chlorine gas inlet pipeline 8, is distributed through a gas distributor, is mixed with liquid in the reaction kettle for reaction, the chlorine liquid in the primary chlorination kettle 1 enters the secondary chlorination kettle 2 through the primary chlorination liquid outlet pipeline 5, the chlorine liquid in the secondary chlorination kettle 2 enters the tertiary chlorination kettle 3 through the secondary chlorination liquid outlet pipeline 6, the chlorine gas on the primary chlorination kettle 1, the secondary chlorination kettle 2 and the tertiary chlorination kettle 3 is emptied through the chlorine gas emptying pipeline 9 to circulate redundant chlorine gas, the redundant chlorine gas is controlled through the safety valve emptying pipeline 11 and the tail gas emptying pipeline 12 to ensure safety, and the solution after chlorination is circulated through the chlorine liquid circulating pump 4 until the concentration of the product reaches the requirement, and is discharged and collected through the product discharging pipeline 14.
Description of the examples:
the device of the utility model is adopted to carry out continuous chlorination on the chloridizing solution and chlorine, and the feeding flow rate of the chloridizing solution is 5m 3 And/h, the chlorine gas inlet amount is 50m 3 /h。
The primary chlorination kettle 1, the secondary chlorination kettle 2 and the tertiary chlorination kettle 3 are all vertical double-oval-shaped end socket containers, are made of glass lining, have the diameter of 1.6m and the volume of 5m 3 The temperature in the kettle is 60-70 ℃ and the pressure is 0.1Mpa; the chloridizing fluid circulating pump 4 is a shielding pump, the material is fluorine material, and the flow is 40m 3 And/h, through testing, the concentration of chloride in the outlet chloridizing solution of the three-stage chloridizing kettle 3 is 98.5%.
Claims (6)
1. The utility model provides a high-efficient chlorination reaction device of fine chemical engineering, its characterized in that includes one-level chlorination cauldron (1), second grade chlorination cauldron (2), tertiary chlorination cauldron (3) and chlorination liquor circulating pump (4), be connected through one-level chlorination liquor outlet pipe (5) between one-level chlorination cauldron (1) and the second grade chlorination cauldron (2), be connected through second grade chlorination liquor outlet pipe (6) between second grade chlorination cauldron (2) and the tertiary chlorination cauldron (3), be connected through chlorination liquor circulating pipe (7) between tertiary chlorination cauldron (3) and the chlorination liquor circulating pump (4), the outlet pipe of chlorination liquor circulating pump (4) divide into two pipelines and connect the upper end feed liquor mouth of second grade chlorination cauldron (2) and tertiary chlorination cauldron (3) respectively.
2. The efficient chlorination reaction device for fine chemical engineering according to claim 1, further comprising a chlorine gas inlet pipeline (8), wherein the chlorine gas inlet pipeline (8) is divided into three pipelines, is respectively connected with air inlets at the upper ends of the primary chlorination reactor (1), the secondary chlorination reactor (2) and the tertiary chlorination reactor (3), and is communicated with gas distributors respectively arranged at the bottoms of the primary chlorination reactor (1), the secondary chlorination reactor (2) and the tertiary chlorination reactor (3).
3. The efficient chlorination reaction device for fine chemical engineering according to claim 2, wherein chlorine gas venting pipelines (9) are respectively arranged at the tops of the primary chlorination kettle (1), the secondary chlorination kettle (2) and the tertiary chlorination kettle (3), and all the chlorine gas venting pipelines (9) are connected in a converging way.
4. A fine chemical engineering efficient chlorination reaction device as claimed in claim 3, wherein the outer walls of the primary chlorination kettle (1), the secondary chlorination kettle (2) and the tertiary chlorination kettle (3) are provided with cooling layers (10), and the cooling layers (10) are connected with refrigerant inlet and outlet pipelines.
5. The efficient chlorination reaction device for fine chemical engineering according to claim 4, wherein a safety valve emptying pipeline (11) and a tail gas emptying pipeline (12) are arranged at the upper end of the three-stage chlorination kettle (3).
6. The efficient chlorination reaction device for fine chemical engineering according to claim 5, wherein a chloride solution inlet pipeline (13) is arranged at the top of the primary chlorination reactor (1), and a product discharge pipeline (14) is arranged at the side edge of the tertiary chlorination reactor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857112.3U CN220091337U (en) | 2023-04-18 | 2023-04-18 | High-efficient chlorination reaction device of fine chemical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857112.3U CN220091337U (en) | 2023-04-18 | 2023-04-18 | High-efficient chlorination reaction device of fine chemical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220091337U true CN220091337U (en) | 2023-11-28 |
Family
ID=88847457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320857112.3U Active CN220091337U (en) | 2023-04-18 | 2023-04-18 | High-efficient chlorination reaction device of fine chemical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220091337U (en) |
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2023
- 2023-04-18 CN CN202320857112.3U patent/CN220091337U/en active Active
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