CN219922904U - Annular continuous nitration reaction device - Google Patents
Annular continuous nitration reaction device Download PDFInfo
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- CN219922904U CN219922904U CN202320671268.2U CN202320671268U CN219922904U CN 219922904 U CN219922904 U CN 219922904U CN 202320671268 U CN202320671268 U CN 202320671268U CN 219922904 U CN219922904 U CN 219922904U
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- heat exchanger
- annular
- liquid
- nitration reaction
- annular main
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- 238000006396 nitration reaction Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011344 liquid material Substances 0.000 description 18
- 239000011343 solid material Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000110 cooling liquid Substances 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to an annular continuous nitration reaction device, which comprises an annular main body, wherein the left side and the right side of the annular main body are respectively provided with a second heat exchanger and a first heat exchanger, the lower side of the annular main body is provided with a communicating pipe, and the left part of the upper side of the annular main body is provided with an overflow port.
Description
Technical Field
The utility model belongs to the technical field of nitration reaction devices, and particularly relates to an annular continuous nitration reaction device.
Background
The nitration is one of the very important unit reactions in the organic chemical industry, the nitration product has very wide application, the batch nitration technology of a kettle type reactor or the annular continuous nitration is commonly adopted in the traditional nitration production, and the heat exchange efficiency of the kettle type reactor is still very limited, so that the capacity of the nitration is restricted, the existing annular continuous nitration reactor usually utilizes an axial flow pump to achieve the circulation function, but the axial flow pump is easy to cause uneven material mixing due to the centripetal force function during the operation, the normal running of the nitration is influenced, the heat is released in the nitration process, and the internal temperature of the reactor needs to be reduced in time to avoid accidents.
Disclosure of Invention
The utility model aims to provide an annular continuous nitration reaction device which is used for solving the problem that the use effect of the conventional nitration reaction device is poor.
The purpose of the utility model is realized in the following way: the utility model provides a continuous nitration reaction unit of annular, it includes annular main part, annular main part left and right sides be provided with second heat exchanger and first heat exchanger respectively, annular main part downside be provided with communicating pipe, annular main part upside left part be provided with the overflow mouth.
The lower side of the communicating pipe is provided with a discharge pipe.
The annular main part upside right part be provided with the chimney, the chimney top be provided with axial-flow pump, axial-flow pump inside be provided with the output shaft, the output shaft outside be provided with the page or leaf soon, page or leaf downside be provided with the spoiler soon, the chimney below left and right sides be provided with liquid feed inlet and solid feed inlet respectively, liquid feed inlet outside be provided with the liquid storage pot, liquid storage pot below be provided with the metering valve, the solid feed inlet outside be provided with the material case, material case below be provided with the conveyer.
The heat exchanger comprises a first heat exchanger and a second heat exchanger, wherein heat exchange tube bundles are arranged inside the first heat exchanger and the second heat exchanger, a baffle plate is arranged between the heat exchange tube bundles, a liquid inlet and a liquid outlet are respectively arranged on the right side and the left side of the first heat exchanger and the second heat exchanger, a flow tube is arranged between the liquid inlet of the first heat exchanger and the liquid outlet of the second heat exchanger, a radiator is arranged outside the flow tube, connecting bolts are arranged at the upper end and the lower end of the radiator, cooling fins are uniformly arranged outside the radiator, and a blower is arranged below the radiator.
The number of the rotary pages is two, and the rotary page size is matched with the annular main body size.
The spoiler evenly set up in annular main part inboard, spoiler and annular main part fixed connection.
The conveyor is a spiral roller conveyor.
And a cushion layer is arranged between the radiator and the flow pipe, and the cushion layer is made of heat-conducting silica gel.
The utility model has the beneficial effects that: when the device is used, liquid materials and solid materials are respectively added into the liquid storage tank and the material tank in advance, quantitative liquid materials and solid materials are controlled to be added through the metering valve and the conveyor, the axial flow pump is started, the rotary blade is driven to rotate through the output shaft, the liquid materials and the solid materials are uniformly stirred, the liquid materials and the solid materials are driven to enter the annular main body, the centrifugal force influence of the axial flow pump is effectively weakened under the action of the spoiler, the mixing effect of the liquid materials and the solid materials is enhanced, the liquid materials and the solid materials enter the heat exchange tube bundles of the first heat exchanger and the second heat exchanger to react, the cooling liquid enters from the liquid inlet and is discharged from the liquid outlet after passing through the baffle plate, the cooling liquid can take away the heat of the reaction inside the heat exchange tube bundles, and then the first heat exchanger and the second heat exchanger are cooled, the reaction heat can be effectively transferred, so that the internal temperature of the device is reduced, the nitrified materials obtained after the reaction are discharged through the overflow port, the nitrified materials are uniformly collected and processed, and the device has the characteristics of convenient operation and high safety coefficient.
Drawings
FIG. 1 is a diagram showing the overall construction of an annular continuous nitration reaction apparatus according to the present utility model.
FIG. 2 is a diagram showing the construction of an axial flow pump of the annular continuous nitration reaction apparatus according to the present utility model.
FIG. 3 is a diagram showing the internal structure of a first heat exchanger and a second heat exchanger of an annular continuous nitration reaction apparatus according to the present utility model.
Fig. 4 is a top view of a radiator of a circular continuous nitration reaction apparatus according to the present utility model.
In the figure: 1. the heat exchanger comprises an annular main body 2, a first heat exchanger 3, a second heat exchanger 4, a communicating pipe 5, an overflow port 6, a discharge pipe 7, a vertical cylinder 8, an axial flow pump 9, an output shaft 10, a rotary vane 11, a liquid feed port 12, a solid feed port 13, a spoiler 14, a liquid storage tank 15, a metering valve 16, a material box 17, a conveyor 18, a heat exchange tube bundle 19, a baffle plate 20, a liquid feed port 21, a liquid discharge port 22, a flow pipe 23, a radiator 24, a connecting bolt 25, a radiating fin 26, a cushion layer 27 and a blower.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
As shown in figures 1-4, the annular continuous nitration reaction device comprises an annular main body 1, wherein a second heat exchanger 3 and a first heat exchanger 2 are respectively arranged at the left side and the right side of the annular main body 1, a communicating pipe 4 is arranged at the lower side of the annular main body 1, and an overflow port 5 is arranged at the left part of the upper side of the annular main body 1.
The lower side of the communicating pipe 4 is provided with a discharge pipe 6.
The utility model discloses a novel energy-saving device for the oil-saving device, including annular main part 1, the annular main part 1 upside right part be provided with a vertical section of thick bamboo 7, a vertical section of thick bamboo 7 top be provided with axial pump 8, axial pump 8 inside be provided with output shaft 9, the output shaft 9 outside be provided with and revolve page 10, revolve page 10 downside be provided with spoiler 13, vertical section of thick bamboo 7 below left and right sides be provided with liquid feed inlet 11 and solid feed inlet 12 respectively, liquid feed inlet 11 outside be provided with liquid storage tank 14, liquid storage tank 14 below be provided with metering valve 15, solid feed inlet 12 outside be provided with material case 16, material case 16 below be provided with conveyer 17.
The heat exchange tube bundles 18 are arranged in the first heat exchanger 2 and the second heat exchanger 3, a baffle plate 19 is arranged between the heat exchange tube bundles 18, a liquid inlet 20 and a liquid outlet 21 are respectively arranged on the right side and the left side of the first heat exchanger 2 and the second heat exchanger 3, a flow tube 22 is arranged between the liquid outlet 21 of the first heat exchanger 2 and the liquid inlet 20 of the second heat exchanger 3, a radiator 23 is arranged on the outer side of the flow tube 22, connecting bolts 24 are arranged at the upper end and the lower end of the radiator 23, radiating fins 25 are uniformly arranged on the outer side of the radiator 23, and a blower 27 is arranged below the radiator 23.
When the utility model is used, liquid materials and solid materials are respectively added into the liquid storage tank 14 and the material tank 16 in advance, quantitative liquid materials and solid materials are controlled to be added through the metering valve 15 and the conveyor 17, the axial flow pump 8 is started, the rotary vane 10 is driven to rotate by the output shaft 9, the liquid materials and the solid materials are uniformly stirred, the liquid materials and the solid materials are driven to enter the annular main body 1, the centrifugal force influence of the axial flow pump 8 is effectively weakened under the action of the spoiler 13, the mixing effect of the liquid materials and the solid materials is enhanced, the liquid materials and the solid materials enter the heat exchange tube bundles 18 of the first heat exchanger 2 and the second heat exchanger 3 to react, the cooling liquid enters from the liquid inlet 20 and is discharged from the liquid discharge port 21 after being filled in the first heat exchanger 2 and the second heat exchanger 3, the cooling liquid can take away the heat of the reaction inside the heat exchange tube bundles 18, the first heat exchanger 2 and the second heat exchanger 3 can be effectively transferred, the temperature inside the device is reduced, the nitrified materials obtained after the reaction is completed are discharged through the overflow port 5 to perform uniform treatment, and the utility model has the characteristics of uniform operation and high safety and convenience.
Example 2
As shown in figures 1-4, the annular continuous nitration reaction device comprises an annular main body 1, wherein a second heat exchanger 3 and a first heat exchanger 2 are respectively arranged at the left side and the right side of the annular main body 1, a communicating pipe 4 is arranged at the lower side of the annular main body 1, and an overflow port 5 is arranged at the left part of the upper side of the annular main body 1.
For better effect, the lower side of the communicating pipe 4 is provided with a discharge pipe 6, and the discharge pipe 6 is convenient for discharging and cleaning the annular main body 1.
For better effect, annular main part 1 upside right part be provided with the chimney 7, chimney 7 top be provided with axial-flow pump 8, axial-flow pump 8 inside be provided with output shaft 9, output shaft 9 outside be provided with and revolve page 10, revolve page 10 downside be provided with spoiler 13, chimney 7 below left and right sides be provided with liquid feed inlet 11 and solid feed inlet 12 respectively, liquid feed inlet 11 outside be provided with liquid storage pot 14, liquid storage pot 14 below be provided with metering valve 15, solid feed inlet 12 outside be provided with material case 16, material case 16 below be provided with conveyer 17.
For better effect, the inside heat transfer tube bundle 18 that all is provided with of first heat exchanger 2 and second heat exchanger 3, heat transfer tube bundle 18 between be provided with baffle 19, first heat exchanger 2, second heat exchanger 3 right side and left side be provided with inlet 20 and leakage fluid dram 21 respectively, first heat exchanger 2 leakage fluid dram 21 and second heat exchanger 3 inlet 20 between be provided with flow tube 22, the flow tube 22 outside be provided with radiator 23, radiator 23 upper and lower both ends all be provided with connecting bolt 24, radiator 23 outside evenly be provided with fin 25, radiator 23 below be provided with air-blower 27.
For better effect, the number of the rotary pages 10 is two, and the size of the rotary pages 10 is matched with that of the annular main body 1.
For better effect, the spoiler 13 is uniformly arranged on the inner side of the annular main body 1, the spoiler 13 is fixedly connected with the annular main body 1, and the position of the spoiler 13 is not affected by the liquid feeding, 11 and the solid feeding hole 12.
For better results, the conveyor 17 is of the type of a screw roller conveyor.
For better effect, a cushion layer 26 is arranged between the radiator 23 and the flow tube 22, the cushion layer 26 is made of heat-conducting silica gel, and the heat-conducting silica gel is convenient for transferring the heat in the flow tube 22 to the radiator 23 for heat dissipation.
When the utility model is used, liquid materials and solid materials are respectively added into the liquid storage tank 14 and the material tank 16 in advance, quantitative liquid materials and solid materials are controlled to be added through the metering valve 15 and the conveyor 17, the axial flow pump 8 is started, the rotary vane 10 is driven to rotate through the output shaft 9 to uniformly stir the liquid materials and the solid materials, the liquid materials and the solid materials are driven to enter the annular main body 1, the centrifugal force influence of the axial flow pump 8 is effectively weakened under the action of the spoiler 13, the mixing effect of the liquid materials and the solid materials is enhanced, the spoiler 13 can improve the speed distribution of the inlet of the first heat exchanger 2, the utilization rate of the first heat exchanger 2 is improved, the liquid materials and the solid materials enter the heat exchange tube bundles 18 of the first heat exchanger 2 and the second heat exchanger 3 to react, the cooling liquid enters from the liquid inlet 20, passes through the baffle plate 19 and fills the first heat exchanger 2 and the second heat exchanger 3 and then is discharged from the liquid outlet 21, the cooling liquid can take away the heat of the internal reaction of the heat exchange tube bundle 18, and then the first heat exchanger 2 and the second heat exchanger 3 are cooled, when the cooling liquid passes through the flow tube 22, the radiator 23 can transfer the temperature of the cooling liquid in the flow tube 22 to the cooling fin 25, and then the blower 27 is used for blowing and radiating, so that the cooling liquid enters the second heat exchanger 3 for use, the first heat exchanger 2 and the second heat exchanger 3 can effectively transfer the heat of reaction, so as to reduce the internal temperature of the device, and the nitrified material obtained after the reaction is discharged through the overflow port 5 and is uniformly collected.
Claims (8)
1. An annular continuous nitration reaction device, which comprises an annular main body and is characterized in that: the left side and the right side of the annular main body are respectively provided with a second heat exchanger and a first heat exchanger, the lower side of the annular main body is provided with a communicating pipe, and the left part of the upper side of the annular main body is provided with an overflow port.
2. An annular continuous nitration reaction apparatus according to claim 1, characterised in that: the lower side of the communicating pipe is provided with a discharge pipe.
3. An annular continuous nitration reaction apparatus according to claim 1, characterised in that: the annular main part upside right part be provided with the chimney, the chimney top be provided with axial-flow pump, axial-flow pump inside be provided with the output shaft, the output shaft outside be provided with the page or leaf soon, page or leaf downside be provided with the spoiler soon, the chimney below left and right sides be provided with liquid feed inlet and solid feed inlet respectively, liquid feed inlet outside be provided with the liquid storage pot, liquid storage pot below be provided with the metering valve, the solid feed inlet outside be provided with the material case, material case below be provided with the conveyer.
4. An annular continuous nitration reaction apparatus according to claim 1, characterised in that: the heat exchanger comprises a first heat exchanger and a second heat exchanger, wherein heat exchange tube bundles are arranged inside the first heat exchanger and the second heat exchanger, a baffle plate is arranged between the heat exchange tube bundles, a liquid inlet and a liquid outlet are respectively arranged on the right side and the left side of the first heat exchanger and the second heat exchanger, a flow tube is arranged between the liquid inlet of the first heat exchanger and the liquid outlet of the second heat exchanger, a radiator is arranged outside the flow tube, connecting bolts are arranged at the upper end and the lower end of the radiator, cooling fins are uniformly arranged outside the radiator, and a blower is arranged below the radiator.
5. A continuous annular nitration reaction apparatus according to claim 3, characterised in that: the number of the rotary pages is two, and the rotary page size is matched with the annular main body size.
6. A continuous annular nitration reaction apparatus according to claim 3, characterised in that: the spoiler evenly set up in annular main part inboard, spoiler and annular main part fixed connection.
7. A continuous annular nitration reaction apparatus according to claim 3, characterised in that: the conveyor is a spiral roller conveyor.
8. An annular continuous nitration reaction apparatus according to claim 4, characterized in that: and a cushion layer is arranged between the radiator and the flow pipe, and the cushion layer is made of heat-conducting silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320671268.2U CN219922904U (en) | 2023-03-30 | 2023-03-30 | Annular continuous nitration reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320671268.2U CN219922904U (en) | 2023-03-30 | 2023-03-30 | Annular continuous nitration reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219922904U true CN219922904U (en) | 2023-10-31 |
Family
ID=88504067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320671268.2U Active CN219922904U (en) | 2023-03-30 | 2023-03-30 | Annular continuous nitration reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219922904U (en) |
-
2023
- 2023-03-30 CN CN202320671268.2U patent/CN219922904U/en active Active
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