CN220405647U - Cooling device for phosgenation reaction - Google Patents
Cooling device for phosgenation reaction Download PDFInfo
- Publication number
- CN220405647U CN220405647U CN202321846467.9U CN202321846467U CN220405647U CN 220405647 U CN220405647 U CN 220405647U CN 202321846467 U CN202321846467 U CN 202321846467U CN 220405647 U CN220405647 U CN 220405647U
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- cooling
- pipe
- screw
- water pump
- connecting pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000000376 reactant Substances 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 239000011259 mixed solution Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a cooling device for phosgenation reaction, which comprises: the reaction kettle is characterized in that a discharge pipe is arranged at the outlet of the bottom end of the reaction kettle, a three-way valve is arranged at the outer end of the discharge pipe, a connecting pipe and a discharge pipe are respectively arranged at the other two openings of the three-way valve, a water pump is arranged at the outer end of the connecting pipe, a cooling box is arranged on the middle surface of the connecting pipe, a circulating pipe is arranged at the output end of the water pump, a jet device is arranged at the outer end of the circulating pipe, and the output end of the jet device extends into the reaction kettle; the cooling device for the phosgenation reaction passes through the cooling box through the circulating mixed liquid and the reactant of the phosgenation reaction through the connecting pipe, and the motor drives the upper cooling fan and the lower cooling fan to move back and forth, so that the mixed liquid inside the bending pipe is cooled, the harm to the water pump caused by the overhigh temperature of the mixed liquid is avoided, and the practicability is higher.
Description
Technical Field
The utility model relates to the technical field of phosgenation reaction, in particular to a cooling device for phosgenation reaction.
Background
The high-efficiency phosgenation reaction device has the advantages that the application number is 202121328465.1, all reactants in the kettle body can be continuously and efficiently dynamically mixed all the time, and the integrally designed spray tower body can effectively treat unreacted phosgene;
the device circulates reactant and mixed solution through the water pump, although the reaction efficiency is greatly improved, the phosgenation reaction can generate larger heat, at present, the hot water pump is arranged, the inlet temperature of the water pump is too high, the water inlet pressure is negative pressure or the pressure is lower, vaporization can be generated in a negative pressure state, cavitation can be generated in the water pump, water flow can be blocked after vaporization, the water pump works to fail, and the practicability is poor.
Disclosure of Invention
The utility model aims to provide a cooling device for a phosgenation reaction, which aims to solve the problem that the cooling device for the phosgenation reaction in the prior art is inconvenient to cool a protection water pump.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a cooling apparatus for a phosgenation reaction, comprising: the reaction kettle is characterized in that a discharge pipe is arranged at the outlet of the bottom end of the reaction kettle, a three-way valve is arranged at the outer end of the discharge pipe, a connecting pipe and a discharge pipe are respectively arranged at the other two openings of the three-way valve, a water pump is arranged at the outer end of the connecting pipe, a cooling box is arranged on the middle surface of the connecting pipe, a circulating pipe is arranged at the output end of the water pump, a jet device is arranged at the outer end of the circulating pipe, and the output end of the jet device extends into the reaction kettle; the cooling box is characterized in that a cooling fan is slidably arranged at the upper end and the lower end of the inner cavity of the cooling box, the output ends of the cooling fan at the two ends face to the connecting pipe, and a sliding mechanism is arranged on the surface of the cooling fan.
Preferably, the surface mounting of reation kettle has the support column, the base is installed to the bottom of support column, the top at the base is installed to the bottom of cooler bin, the brace table is installed on the top of base, the water pump is installed on the top of brace table.
Preferably, a bolt is arranged between the water pump and the supporting table.
Preferably, the top of bolt has seted up the roof groove, a side groove has all been seted up at the both ends of roof groove, the kerve has been seted up to the bottom of roof groove, install the draw-in bar between the inner wall of kerve, slidable mounting has the lift piece between roof groove and the kerve, the trompil has been seted up to the surface bottom of lift piece, draw-in bar slidable mounting is in the trompil.
Preferably, the sliding mechanism includes: the cooling fan comprises a motor, a first screw and a second screw, wherein the first screw is arranged on the top of the screw in a threaded manner, the second screw is arranged on the bottom of the screw in a threaded manner, and the outer end of the first screw extends out of the cooling box and is provided with the motor.
Preferably, the surface of the first screw is in interference fit with the first rotating wheel, the surface of the second screw is in interference fit with the second rotating wheel, and a connecting belt is arranged between the first rotating wheel and the second rotating wheel.
Preferably, a bending pipe is arranged at the part of the connecting pipe extending into the cooling box, and adjacent pipelines of the bending pipe are close to each other.
Compared with the prior art, the utility model has the beneficial effects that: this a cooling device for phosgenation is through passing through the cooler bin with the reactant of circulated mixed solution and phosgenation, and two cooling fan back and forth movement about the motor drives, cools off the inside mixed solution of kink pipe, avoids mixed solution high temperature to cause harm to the water pump, and the practicality is stronger.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the cooling box of FIG. 1;
fig. 3 is a schematic view of the bolt structure of fig. 1.
In the figure: 1. the reaction kettle, 2, the support column, 3, the base, 4, the discharge pipe, 5, the three-way valve, 6, the connecting pipe, 7, the cooling box, 8, the discharge pipe, 9, the support table, 10, the water pump, 11, the circulation pipe, 12, the bolt, 13, the ejector, 14, the motor, 15, screw one, 16, runner one, 17, connecting band, 18, runner two, 19, screw two, 20, cooling fan, 21, kink pipe, 121, top groove, 122, side groove, 123, bottom groove, 124, clamping rod, 125, lifting block, 126, trompil.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a cooling apparatus for a phosgenation reaction, comprising: the reaction kettle 1, the bottom outlet of the reaction kettle 1 is provided with a discharge pipe 4, the outer end of the discharge pipe 4 is provided with a three-way valve 5, the other two openings of the three-way valve 5 are respectively provided with a connecting pipe 6 and a discharging pipe 8, the outer end of the connecting pipe 6 is provided with a water pump 10, the middle surface of the connecting pipe 6 is provided with a cooling box 7, the output end of the water pump 10 is provided with a circulating pipe 11, the outer end of the circulating pipe 11 is provided with a jet device 13, and the output end of the jet device 13 extends into the reaction kettle 1, so that reactants can be conveniently injected into the reaction kettle 1;
the upper end and the lower end of the inner cavity of the cooling box 7 are both provided with a cooling fan 20 in a sliding manner, the output ends of the cooling fans 20 at the two ends face the connecting pipe 6, the surface of the cooling fan 20 is provided with a sliding mechanism, and the cooling fan 20 is driven to move forwards and backwards through the sliding mechanism.
As the preferred scheme, still further, reation kettle 1's surface mounting has support column 2, and base 3 is installed to the bottom of support column 2, and the top at base 3 is installed to the bottom of cooler bin 7, and brace table 9 is installed on the top of base 3, and water pump 10 is installed on the top of brace table 9, carries out circulating reactant through water pump 10.
Preferably, a bolt 12 is installed between the water pump 10 and the supporting table 9, so that the water pump 10 can be conveniently installed.
As a preferred scheme, still further, the top of bolt 12 has been seted up roof groove 121, a side channel 122 has all been seted up at the both ends of roof groove 121, the bottom channel 123 has been seted up to the bottom of roof groove 121, install draw-in bar 124 between the inner wall of bottom channel 123, slidable mounting has the lift piece 125 between roof groove 121 and the bottom channel 123, trompil 126 has been seted up to the surface bottom of lift piece 125, draw-in bar 124 slidable mounting is in trompil 126, through above-mentioned upward pulling lift piece 125 and rotate, the bolt 12 of being convenient for rotates is dismantled.
Preferably, the sliding mechanism further includes: the cooling device comprises a motor 14, a first screw rod 15 and a second screw rod 19, wherein the first screw rod 15 is arranged on the surface of the top cooling fan 20 in a threaded manner, the second screw rod 19 is arranged on the surface of the bottom cooling fan 20 in a threaded manner, the outer end of the first screw rod 15 extends out of the cooling box 7 and is provided with the motor 14, and the first screw rod 15 is driven to rotate through the motor 14.
In a preferred scheme, a first rotating wheel 16 is in interference fit with the surface of a first screw 15, a second rotating wheel 18 is in interference fit with the surface of a second screw 19, a connecting belt 17 is arranged between the first rotating wheel 16 and the second rotating wheel 18, and the second screw 19 is driven to rotate through the first screw 15.
As a preferable scheme, the part of the connecting pipe 6 extending into the cooling box 7 is provided with a bent pipe 21, and adjacent pipelines of the bent pipe 21 are close to each other, so that the moving distance of reactants is conveniently prolonged, and the cooling time is increased.
The reaction kettle, the three-way valve, the ejector, the motor, the water pump and the cooling fan are in the prior art, the reaction kettle, the three-way valve, the water pump and the ejector are of the same structure and the same connection mode in the application number 202121328465.1, and the motor is a three-phase motor, so long as the reaction kettle, the three-way valve, the ejector, the motor, the water pump and the cooling fan meet the requirements of the scheme.
Working principle: after the electric appliance component is installed, firstly, the installation and fixation and safety protection of the electric appliance component are checked, then the electric appliance component can be used, when the electric appliance component is used, one end of a discharging pipe 8 of a three-way valve 5 is closed, the other two ends of the discharging pipe 8 are opened, a water pump 10 discharges mixed liquid into a jet 13, a phosgene supply source enters the jet 13 and is mixed with the mixed liquid, the mixed liquid enters a reaction kettle 1 for phosgenation reaction, then the circulating liquid enters a connecting pipe 6 through a discharge pipe 4, the circulating liquid enters a bending pipe 21 in a cooling box 7, a motor 14 drives a screw rod 15 to rotate, the screw rod 15 rotates to drive a runner 16 to rotate, the runner 16 drives a runner 18 to rotate through a connecting belt 17, the runner 18 rotates through a screw rod 19, the screw rod 15 and the screw rod 19 respectively drive a surface cooling fan 20 to move back and forth, the circulating liquid in the bending pipe 21 is cooled, and the cooled circulating liquid is discharged into the water pump 10 for circulation, and the electric appliance has high practicability.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; also, unless expressly specified and limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A cooling apparatus for a phosgenation reaction, comprising: the reaction kettle (1) is characterized in that a discharge pipe (4) is arranged at the bottom end outlet of the reaction kettle (1), a three-way valve (5) is arranged at the outer end of the discharge pipe (4), a connecting pipe (6) and a discharge pipe (8) are respectively arranged at the other two openings of the three-way valve (5), a water pump (10) is arranged at the outer end of the connecting pipe (6), a cooling box (7) is arranged on the middle surface of the connecting pipe (6), a circulating pipe (11) is arranged at the output end of the water pump (10), a jet ejector (13) is arranged at the outer end of the circulating pipe (11), and the output end of the jet ejector (13) extends into the reaction kettle (1);
the cooling box is characterized in that a cooling fan (20) is slidably arranged at the upper end and the lower end of the inner cavity of the cooling box (7), the output ends of the cooling fan (20) at the two ends face to the connecting pipe (6), and a sliding mechanism is arranged on the surface of the cooling fan (20).
2. The cooling device for phosgenation reaction according to claim 1, wherein the surface of the reaction kettle (1) is provided with a supporting column (2), the bottom end of the supporting column (2) is provided with a base (3), the bottom end of the cooling box (7) is provided with a top end of the base (3), the top end of the base (3) is provided with a supporting table (9), and the top end of the supporting table (9) is provided with a water pump (10).
3. A cooling device for phosgenation according to claim 2, characterized in that a bolt (12) is mounted between the water pump (10) and the support table (9).
4. A cooling device for phosgenation reaction according to claim 3, characterized in that, top groove (121) has been seted up on the top of bolt (12), a side groove (122) has all been seted up at the both ends of top groove (121), bottom groove (123) has been seted up to the bottom of top groove (121), install draw-in lever (124) between the inner wall of bottom groove (123), slidable mounting has between top groove (121) and bottom groove (123) and draws up piece (125), trompil (126) have been seted up to the surface bottom of drawing up piece (125), draw-in lever (124) slidable mounting is in trompil (126).
5. The cooling apparatus for phosgenation reaction according to claim 1, wherein the sliding mechanism comprises: the cooling device comprises a motor (14), a first screw (15) and a second screw (19), wherein the first screw (15) is arranged on the top of the cooling fan (20) through surface threads, the second screw (19) is arranged on the bottom of the cooling fan (20) through surface threads, and the outer end of the first screw (15) extends out of the cooling box (7) and is provided with the motor (14).
6. The cooling device for phosgenation reaction according to claim 5, wherein the surface of the first screw (15) is in interference fit with a first runner (16), the surface of the second screw (19) is in interference fit with a second runner (18), and a connecting belt (17) is installed between the first runner (16) and the second runner (18).
7. A cooling device for phosgenation according to claim 1, characterized in that the part of the connecting pipe (6) extending into the cooling box (7) is fitted with a bent pipe (21), the adjacent pipes of the bent pipe (21) being in close proximity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846467.9U CN220405647U (en) | 2023-07-14 | 2023-07-14 | Cooling device for phosgenation reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846467.9U CN220405647U (en) | 2023-07-14 | 2023-07-14 | Cooling device for phosgenation reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220405647U true CN220405647U (en) | 2024-01-30 |
Family
ID=89652163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321846467.9U Active CN220405647U (en) | 2023-07-14 | 2023-07-14 | Cooling device for phosgenation reaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220405647U (en) |
-
2023
- 2023-07-14 CN CN202321846467.9U patent/CN220405647U/en active Active
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