CN220048088U - Heating device capable of accurately controlling heating temperature - Google Patents
Heating device capable of accurately controlling heating temperature Download PDFInfo
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- CN220048088U CN220048088U CN202321346430.XU CN202321346430U CN220048088U CN 220048088 U CN220048088 U CN 220048088U CN 202321346430 U CN202321346430 U CN 202321346430U CN 220048088 U CN220048088 U CN 220048088U
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- steam
- solution tank
- jacket
- reaction kettle
- heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 10
- 239000000376 reactant Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 239000007810 chemical reaction solvent Substances 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 7
- 238000013021 overheating Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a heating device capable of precisely controlling heating temperature, which comprises a solution tank and a reaction kettle, wherein the reaction kettle comprises an inner container layer, a jacket is wrapped outside the inner container layer, a steam cavity is arranged between the inner container layer and the jacket, the inner container layer is communicated with an air inlet pipeline, the other end of the air inlet pipeline is communicated with the jacket, a heating layer is arranged inside the solution tank, the top of the solution tank is communicated with one end of the steam pipeline, and the other end of the steam pipeline is communicated with the jacket, so that heat transfer efficiency of steam can be greatly improved by heat transfer of the inner container layer and direct contact with reactants, and meanwhile, high-temperature steam in the steam cavity has a heat preservation effect on the inner container layer, so that external heat dissipation of the reaction kettle is greatly reduced.
Description
Technical Field
The utility model is suitable for the field of reaction kettle heating equipment, and provides a heating device capable of accurately controlling heating temperature.
Background
The reaction kettle is a reaction device widely applied to the industries of chemical engineering, pharmacy and the like, and is used for heating, reacting and the like of chemical substances. Common techniques for heating the contents of the reaction kettle include electric heating, steam heating, water bath heating, oil bath heating and other methods, and each of these techniques has advantages and disadvantages, and in specific applications, the techniques need to be selected according to factors such as the nature of reactants, reaction conditions, equipment characteristics and the like.
The steam heating reaction kettle is a device for heating reactants by using steam as a medium so as to improve the reaction rate. The working principle is that steam passes through the space in the shell of the reaction kettle, and heat transfer is generated on the surface of the liner contacted with the reactant, so that the reactant in the liner can be rapidly heated to the required temperature, and the reaction acceleration is accelerated.
The existing steam heating reaction kettle technical scheme has the following defects: the steam heats the reaction kettle, high-temperature steam is generated through an external device, the steam is only used as a heat transfer medium outside the reaction kettle liner, however, the heat of the steam needs to be transferred to the liner firstly and then transferred to the content in the liner by the liner, and the problem of low heat transfer efficiency exists.
Disclosure of Invention
The utility model aims to provide a heating device capable of accurately controlling heating temperature, and aims to solve the problems in the background art, the device comprises a solution tank and a reaction kettle, the reaction kettle comprises a liner layer, a jacket is wrapped outside the liner layer, a steam cavity is arranged between the liner layer and the jacket, the liner layer is communicated with an air inlet pipeline, and the other end of the air inlet pipeline is communicated with the jacket; the heating layer is arranged in the solution tank, one end of a steam pipeline is communicated with the top of the solution tank, and the other end of the steam pipeline is communicated with the jacket.
Further, the solution tank is connected with a feed valve through a pipeline, and a liquid level meter is fixedly connected to the solution tank.
Further, the reactor top fixedly connected with charge door and motor, the pivot is installed to the power take off end of motor, the pivot bottom is equipped with the stirring rake.
Further, a discharge port is fixedly connected to the bottom of the inner container layer, and penetrates through the jacket.
Further, a condenser is arranged at the top of the reaction kettle, and an air outlet is fixedly connected to the top of the condenser.
Further, a barometer and a barometer valve are arranged on the solution tank.
Further, the bottom of the solution tank is provided with a support column, and the jacket is provided with a plurality of support seats in a ring.
Further, the heating device further comprises a controller.
According to the utility model, the reaction solvent is heated to boiling through the solution tank to prepare high-temperature steam, the steam enters a steam cavity between the liner layer and the jacket through a steam pipeline, the high-temperature steam in the steam cavity continuously heats the reaction kettle, and then the steam enters the inner part of the liner layer through an air inlet pipeline to directly heat reactants; in the process, the feeding valve can add solution into the solution tank, and the liquid level meter can reflect the residual amount of the solution in the solution tank, so that the solution is convenient for staff to add in time; the solid reactant can be added into the reaction kettle through the feed port, the motor drives the rotating shaft to rotate, the stirring paddle fixedly connected with the rotating shaft stirs the solid reactant, the reaction rate and the uniformity of heating of solvent vapor are improved, high-temperature vapor entering the reaction kettle then passes through the condenser, the condenser plays a role in condensation, the condenser adopts the vertical condenser to condense the high-temperature vapor into a liquid solvent, and the liquid solvent flows into the reaction kettle; the barometer is used for detecting the air pressure in the solution tank in real time, the air pressure valve is externally connected with a pipeline, when the air pressure is too high, the air pressure valve is opened to play a role of steam diversion and is used for stabilizing the air pressure in the solution tank, the air pressure in the tank is maintained at a constant value so as to keep the temperature of steam constant, and the influence of overheating on the process of preparing the catalyst is eliminated; and finally, discharging the reaction product after the reaction is finished through a discharge hole.
When preparing certain self-grinding catalysts, the temperature change of the reaction kettle greatly affects the catalytic effect of the catalysts, the temperature control range is narrow, the catalytic effect is obviously reduced after overtemperature, and when the air pressure of high-temperature steam is constant, the reached temperature is fixed, and the phenomenon of local overheating does not occur; because the components of the steam are reactant solvents, the reaction process is not affected, the heat transfer of the steam through the liner layer and the direct contact with the reactant can greatly improve the heat transfer efficiency of the steam, and meanwhile, the high-temperature steam in the steam cavity has a heat preservation effect on the liner layer, so that the external heat dissipation of the reaction kettle is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a device;
in the figure: 1-a solution tank; 2-a liquid level gauge; 3-a feed valve; 4-an air pressure valve; 5-steam piping; 6-an air inlet pipeline; 7-a condenser; 71-an air outlet; 8-a motor; 9-a charging port; 10-a reaction kettle; 101-an inner container layer; 102-jacket; 103-a steam chamber; 104-heating the layer; 105-supporting seats; 106-supporting columns; 11-a rotating shaft; 12-stirring paddles; 14-a discharge hole; 15-barometer; 16-controller.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, the present utility model aims to provide a heating device for precisely controlling heating temperature, which comprises a solution tank 1 and a reaction kettle 10, wherein a reaction solvent is filled in the solution tank 1, the solution tank 1 can heat the reaction solvent in the solution tank to boil the reaction solvent, high-temperature steam is generated, when the air pressure in the solution tank 1 is constant, the temperature reached by the steam is fixed, and the phenomenon of local overheating during heating of the reaction kettle is avoided; the reaction kettle 10 comprises an inner container layer 101, a jacket 102 is wrapped outside the inner container layer 101, a steam cavity 103 is arranged between the inner container layer 101 and the jacket 102, the inner container layer 101 is communicated with an air inlet pipeline 6, and the other end of the air inlet pipeline 6 is communicated with the jacket 102; the inside zone of heating 104 that is equipped with of solution jar 1, solution jar 1 top intercommunication has the one end of steam conduit 5, the other end intercommunication jacket 102 of steam conduit 5.
The reaction solvent is heated to boiling by the heating layer 104 in the solution tank 1 to prepare high-temperature steam, the steam enters the steam cavity 103 between the liner layer 101 and the jacket 102 through the steam pipeline 5, the high-temperature steam in the steam cavity 103 heats the reaction kettle 10, and then the steam enters the inner part of the liner layer 101 through the air inlet pipeline 6 to directly heat reactants.
Preferably, the solution tank 1 is connected with a feed valve 3 through a pipeline, and the solution tank 1 is fixedly connected with a liquid level meter 2; the feeding valve 3 can add solution into the solution tank 1, and the liquid level meter 2 can reflect the residual amount of the solution in the solution tank 1, so that the solution can be conveniently added by staff in time.
Preferably, the top of the reaction kettle 10 is fixedly connected with a feed inlet 9 and a motor 8, a rotating shaft 11 is arranged at the power output end of the motor 8, and a stirring paddle 12 is arranged at the bottom of the rotating shaft 11; the solid reactant can be added into the reaction kettle 10 through the feed inlet 9, the motor 8 drives the rotating shaft 11 to rotate, and the stirring paddle 12 fixedly connected with the rotating shaft 11 stirs the solid reactant, so that the reaction rate and the uniformity of heating by solvent vapor are improved.
Preferably, the bottom of the liner layer 101 is fixedly connected with a discharge port 14, and the discharge port 14 penetrates through the jacket 102; the reaction product after the reaction is completed can be discharged from the discharge port 14.
Preferably, the top of the reaction kettle 10 is provided with a condenser 7, the top of the condenser 7 is fixedly connected with an air outlet 71, high-temperature steam entering the reaction kettle 10 then plays a role in condensation through the condenser 7 of the condenser 7, the condenser 7 adopts a vertical condenser to condense the high-temperature steam into a liquid solvent, the liquid solvent flows into the reaction kettle 10, and the reaction solvent can be replenished in the reaction kettle in the process, so that the solvent loss in the reaction process is avoided.
Preferably, the solution tank 1 is provided with a barometer 15 and a barometer valve 4; the barometer 15 is used for detecting the air pressure in the solution tank 1 in real time, the air pressure valve 4 is externally connected with a pipeline, when the air pressure is too high, the air pressure valve 4 is opened to play a role of steam diversion and be used for stabilizing the air pressure in the solution tank 1, the air pressure in the tank is maintained at a constant value so as to keep the temperature of steam constant, and the influence of overheating on the catalyst preparation process is eliminated.
Preferably, a supporting column 106 is arranged at the bottom of the solution tank 1, and a plurality of supporting seats 105 are arranged on the jacket 102 in a surrounding manner; the support column 106 plays a supporting role, the solution tank 1 is enabled to stand on the ground, the reaction kettle 10 can be supported on a high platform through the plurality of support seats 105 which are annularly arranged on the jacket 102, the solution tank 1 and the reaction kettle 10 are arranged in a staggered manner up and down, and liquid solvent condensed in the steam cavity 103 is facilitated to flow back into the solution tank 1.
Preferably, the heating device further comprises a controller 16 arranged outside, and the controller 16 is electrically connected with the motor 8, the heating layer 104, the air pressure valve 4, the feeding valve 3 and the air pressure gauge 15; the controller 16 can control the rotation of the motor 8 and can control the opening and closing of the air pressure valve 4 and the feeding valve 3.
In summary, in practical use, the reaction solvent is heated to boil by the heating layer 104 in the solution tank 1 to prepare high-temperature steam, the steam enters the steam cavity 103 between the liner layer 101 and the jacket 102 through the steam pipeline 5, the high-temperature steam in the steam cavity 103 continuously heats the reaction kettle 10, and then the steam enters the liner layer 101 through the air inlet pipeline to directly heat the reactant; in the process, the feeding valve 3 can add solution into the solution tank 1, and the liquid level meter 2 can reflect the residual amount of the solution in the solution tank 1, so that the solution can be conveniently added by staff in time; the solid reactant can be added into the reaction kettle 10 through the feed port 9, the motor 8 drives the rotating shaft 11 to rotate, the stirring paddle 12 fixedly connected with the rotating shaft 11 stirs the solid reactant, the reaction rate and the uniformity of heating of solvent vapor are improved, the high-temperature vapor entering the reaction kettle 10 then passes through the condenser 7 to be condensed through the condenser 7, the condenser 7 adopts a vertical condenser to condense the high-temperature vapor into a liquid solvent, and the liquid solvent flows into the reaction kettle 10, so that the reaction solvent can be replenished in the reaction kettle in the process, and the solvent loss in the reaction process is avoided; the barometer 15 is used for detecting the air pressure in the solution tank 1 in real time, the air pressure valve 4 is externally connected with a pipeline, when the air pressure is too high, the air pressure valve 4 is opened to play a role of steam diversion, and the barometer is used for stabilizing the air pressure in the solution tank 1, and the air pressure in the tank is maintained at a constant value to ensure that the temperature of steam is constant, so that the influence of overheating on the process of preparing the catalyst is eliminated; finally, the reaction product after the reaction is completed can be discharged from the discharge port 14.
Therefore, the device can heat the reaction solvent through the solution tank 1 to prepare high-temperature steam, transfer heat through the liner layer 101, then the steam enters the inside of the liner layer 101 through the air inlet pipeline 6 to directly heat reactants, when certain self-grinding catalysts are prepared, the temperature change of the reaction kettle greatly affects the catalytic effect of the catalysts, the temperature control range is narrow, the catalytic effect can be obviously reduced after the temperature exceeds the temperature, the temperature reached by the high-temperature steam is fixed when the air pressure is constant, and the phenomenon of local overheating can not occur; because the components of the steam are reactant solvents, the reaction process is not affected, and the heat transfer of the steam through the liner layer 101 and the direct contact with the reactant can greatly improve the heat transfer efficiency of the steam, and meanwhile, the high-temperature steam in the steam cavity 103 has a heat preservation effect on the liner layer 101, so that the heat dissipation of the reaction kettle 10 to the outside is greatly reduced.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The heating device capable of precisely controlling the heating temperature is characterized by comprising a solution tank (1) and a reaction kettle (10), wherein the reaction kettle (10) comprises an inner container layer (101), a jacket (102) is wrapped outside the inner container layer (101), a steam cavity (103) is arranged between the inner container layer (101) and the jacket (102), an air inlet pipeline (6) is communicated with the inner container layer (101), and the other end of the air inlet pipeline (6) is communicated with the jacket (102); the heating device is characterized in that a heating layer (104) is arranged inside the solution tank (1), one end of a steam pipeline (5) is communicated with the top of the solution tank (1), and the other end of the steam pipeline (5) is communicated with a jacket (102).
2. The heating device for precisely controlling the heating temperature according to claim 1, wherein the solution tank (1) is connected with a feed valve (3) through a pipeline, and a liquid level meter (2) is fixedly connected to the solution tank (1).
3. The heating device for precisely controlling the heating temperature according to claim 1, wherein a feed inlet (9) and a motor (8) are fixedly connected to the top of the reaction kettle (10), a rotating shaft (11) is installed at the power output end of the motor (8), and a stirring paddle (12) is arranged at the bottom of the rotating shaft (11).
4. The heating device for precisely controlling the heating temperature according to claim 1, wherein a discharge port (14) is fixedly connected to the bottom of the liner layer (101), and the discharge port (14) penetrates through the jacket (102).
5. The heating device for precisely controlling the heating temperature according to claim 1, wherein a condenser (7) is arranged at the top of the reaction kettle (10), and an air outlet (71) is fixedly connected to the top of the condenser (7).
6. The heating device for precisely controlling the heating temperature according to claim 1, characterized in that the solution tank (1) is provided with a barometer (15) and a barometer valve (4).
7. The heating device for precisely controlling the heating temperature according to claim 1, wherein a supporting column (106) is arranged at the bottom of the solution tank (1), and a plurality of supporting seats (105) are arranged on the jacket (102) in a surrounding manner.
8. The heating device for precisely controlling the heating temperature according to claim 1, further comprising a controller (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346430.XU CN220048088U (en) | 2023-05-30 | 2023-05-30 | Heating device capable of accurately controlling heating temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346430.XU CN220048088U (en) | 2023-05-30 | 2023-05-30 | Heating device capable of accurately controlling heating temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220048088U true CN220048088U (en) | 2023-11-21 |
Family
ID=88786758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321346430.XU Active CN220048088U (en) | 2023-05-30 | 2023-05-30 | Heating device capable of accurately controlling heating temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220048088U (en) |
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2023
- 2023-05-30 CN CN202321346430.XU patent/CN220048088U/en active Active
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