CN215353389U - Foam extinguishing agent reation kettle constant temperature system - Google Patents
Foam extinguishing agent reation kettle constant temperature system Download PDFInfo
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- CN215353389U CN215353389U CN202120870363.6U CN202120870363U CN215353389U CN 215353389 U CN215353389 U CN 215353389U CN 202120870363 U CN202120870363 U CN 202120870363U CN 215353389 U CN215353389 U CN 215353389U
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Abstract
The utility model discloses a foam extinguishing agent reaction kettle constant temperature system which comprises a vertical kettle body, wherein a stirring shaft is arranged in the kettle body and connected with a stirring motor, stirring blades are arranged on the stirring shaft, a feeding hole is formed in the top of the kettle body, and a discharging hole is formed in the bottom of the kettle body; a constant-temperature oil tank is arranged on the outer side of the kettle body, heat conducting oil is filled in the constant-temperature oil tank, and a first heat exchange pipe and a second heat exchange pipe are arranged in the constant-temperature oil tank; the first heat exchange tube is connected with a hot oil tank, a first oil pump is connected to the first heat exchange tube, and a first electric heating tube is arranged in the first hot oil tank; the second heat exchange tube is connected with a cold oil tank, a second oil pump is connected to the second heat exchange tube, and a second electric heating tube is arranged in the cold oil tank; a first temperature sensor is arranged in the constant-temperature oil tank. The temperature of the constant-temperature oil tank is kept near the preset temperature, so that the temperature area of the reaction kettle is constant and kept within the process requirement range, and the production and use of the high-standard foam extinguishing agent are met.
Description
Technical Field
The utility model relates to the technical field of foam extinguishing agent preparation, in particular to a constant temperature system of a foam extinguishing agent reaction kettle.
Background
In the preparation process of the foam extinguishing agent, a plurality of components such as a foaming agent, a stabilizing agent, a viscosity reducer, an antifreeze agent, a cosolvent, a preservative, water and the like need to be superposed and mixed together, and the components and the preparation process of different foam extinguishing agents are different. In some preparation processes of foam extinguishing agents, the mixing process of certain components is required to be carried out at a constant temperature, the upper and lower temperature errors of the mixed reaction environment even do not exceed plus or minus 3 ℃, and the high process requirements obviously cannot be met by the traditional reaction kettle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foam extinguishing agent reaction kettle constant temperature system which has the advantages that the temperature of a reaction kettle is kept in a constant state, and the production and use of a high-standard foam extinguishing agent are met.
The utility model aims to realize the constant temperature system of the foam extinguishing agent reaction kettle by the following technical scheme, which comprises a vertical kettle body, wherein a stirring shaft is arranged in the kettle body and connected with a stirring motor, stirring blades are arranged on the stirring shaft, a feeding hole is formed in the top of the kettle body, and a discharging hole is formed in the bottom of the kettle body; a constant-temperature oil tank is arranged on the outer side of the kettle body, heat conducting oil is filled in the constant-temperature oil tank, and a first heat exchange pipe and a second heat exchange pipe are arranged in the constant-temperature oil tank; the first heat exchange tube is connected with a hot oil tank, a first oil pump is connected to the first heat exchange tube, and a first electric heating tube is arranged in the first hot oil tank; the second heat exchange tube is connected with a cold oil tank, a second oil pump is connected to the second heat exchange tube, and a second electric heating tube is arranged in the cold oil tank; a first temperature sensor is arranged in the constant-temperature oil tank.
The utility model is further provided that the first heat exchange tube and the second heat exchange tube are both arranged in the constant-temperature oil tank in a wave mode.
The utility model is further provided that a plurality of first temperature sensors are arranged in the constant-temperature oil tank, and the plurality of first temperature sensors are uniformly distributed in the constant-temperature oil tank.
The utility model is further provided that the outer side of the constant-temperature oil tank is provided with a heat-insulating layer.
The utility model is further provided that a second temperature sensor is arranged in the hot oil tank, and a third temperature sensor is arranged in the cold oil tank.
The utility model is further provided with a microcontroller, output signals of the first temperature sensor, the second temperature sensor and the third temperature sensor are connected to the microcontroller, and the first electric heating pipe, the second electric heating pipe, the first oil pump and the second oil pump are all connected with and controlled by the microcontroller.
In conclusion, the beneficial effects of the utility model are as follows:
1. a constant-temperature oil tank is arranged on the outer side of the reaction kettle, the constant-temperature oil tank adjusts the temperature of the reaction kettle, and when the temperature of the constant-temperature oil tank is higher than a preset temperature, heat conduction oil with lower temperature is pumped into a second heat exchange pipe through a second oil pump to reduce the temperature of the constant-temperature oil tank; when the temperature of the constant-temperature oil tank is lower than the preset temperature, pumping heat conduction oil with higher temperature into the first heat exchange pipe through the first oil pump to improve the temperature of the constant-temperature oil tank, so that the temperature of the constant-temperature oil tank is kept near the preset temperature, the temperature area of the reaction kettle is constant and kept within the process requirement range, and the production and use of the high-standard foam extinguishing agent are met;
2. the heat preservation layer is arranged to reduce heat exchange between the constant-temperature oil tank and the outside, slow down the temperature change efficiency of the constant-temperature oil tank and reduce the temperature change amplitude of the constant-temperature oil tank, and in addition, the heat preservation layer is arranged to reduce energy consumption;
3. the microcontroller is used for controlling the first electric heating pipe, the second electric heating pipe, the first oil pump and the second oil pump to work, so that the aim of automatic control is fulfilled, and unattended operation in the preparation process is facilitated;
4. the heat conduction oil entering the first heat exchange tube and the heat conduction oil entering the second heat exchange tube are prepared in advance through the hot oil tank and the cold oil tank, so that the temperature difference between the heat conduction oil in the constant-temperature oil tank and the heat conduction oil in the first heat exchange tube or the second heat exchange tube is reduced, and the temperature change in the constant-temperature oil tank is more stable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a control schematic of an embodiment of the utility model.
In the figure, 1, a kettle body; 2. a stirring motor; 3. a feed inlet; 4. a discharge port; 5. a constant temperature oil tank; 6. a first heat exchange tube; 7. a second heat exchange tube; 8. a hot oil tank; 9. a cold oil tank; 10. a first oil pump; 11. a second oil pump; 12. and (7) an insulating layer.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b): referring to fig. 1, a foam extinguishing agent reaction kettle constant temperature system comprises a vertical kettle body 1, wherein a stirring shaft is arranged in the kettle body 1, the stirring shaft is connected with a stirring motor 2, stirring blades are arranged on the stirring shaft, a feeding hole 3 is formed in the top of the kettle body 1, and a discharging hole 4 is formed in the bottom of the kettle body 1. The stirring motor 2 drives the stirring shaft and the stirring blades to rotate so as to stir the components in the kettle body 1.
A constant-temperature oil tank 5 is arranged on the outer side of the kettle body 1, heat conducting oil is filled in the constant-temperature oil tank 5, and a first heat exchange pipe 6 and a second heat exchange pipe 7 are arranged in the constant-temperature oil tank 5; the first heat exchange tube 6 is connected with a hot oil tank 8, the first heat exchange tube 6 is connected with a first oil pump 10, and a first electric heating tube is arranged in the first hot oil tank 8; the second heat exchange tube 7 is connected with a cold oil tank 9, a second oil pump 11 is connected to the second heat exchange tube 7, and a second electric heating tube is arranged in the cold oil tank 9. All be used for holding the conduction oil in hot oil tank 8 and the cold oil tank 9, the conduction oil in constant temperature oil tank 5, hot oil tank 8 and the cold oil tank 9 is heat conduction kerosene. The temperature of the heat conducting oil in the hot oil tank 8 is higher than a preset temperature, the temperature of the heat conducting oil in the cold oil tank 9 is lower than the preset temperature, and the preset temperature is the specified constant temperature of the constant temperature oil tank 5, namely the temperature required in a certain preparation process of the foam extinguishing agent. It should be noted that, since the temperature requirement in the process of preparing the foam extinguishing agent is usually higher than the room temperature, i.e. the preset temperature is higher than the room temperature, the temperature of the heat conducting oil in the cold oil tank 9 described in the embodiment is also higher than the room temperature, and thus needs to be obtained by heating.
The temperature of the heat-conducting oil in the hot oil tank 8 is heated by the first electric heating pipe, and the temperature of the heat-conducting oil in the cold oil tank 9 is heated by the second heating pipe. The first heat exchange tube 6 and the second heat exchange tube 7 are both closed circulation tubes, that is, after the first oil pump 10 pumps the heat transfer oil in the heat transfer oil tank 8 into the first heat exchange tube 6, the redundant heat transfer oil in the first heat exchange tube 6 will flow back to the heat transfer oil tank 8, and the second heat exchange tube 7 is also the same.
A first temperature sensor is arranged in the constant-temperature oil tank 5 and used for detecting the temperature of the constant-temperature oil tank 5, and when the temperature of the constant-temperature oil tank 5 is higher than a preset temperature, heat conduction oil with lower temperature is pumped into the second heat exchange tubes 7 through a second oil pump 11 to reduce the temperature of the constant-temperature oil tank 5; when the temperature of the constant-temperature oil tank 5 is lower than the preset temperature, the heat conduction oil with higher temperature is pumped into the first heat exchange tube 6 through the first oil pump 10 to improve the temperature of the constant-temperature oil tank 5, so that the temperature of the constant-temperature oil tank 5 is kept near the preset temperature, the temperature area of the reaction kettle is constant and kept within the process requirement range, and the production and use of the high-standard foam extinguishing agent are met. Considering that the temperature of each position in the constant temperature oil tank 5 may have a difference, be equipped with a plurality of first temperature sensor in the constant temperature oil tank 5, a plurality of first temperature sensor evenly distributed are in the constant temperature oil tank 5, carry out statistical calculation with the data that a plurality of first temperature sensor detected, and the average value is got and is regarded as the real-time temperature of constant temperature oil tank 5.
In the production of the foam fire extinguishing agent, exothermic reactions may occur and endothermic reactions may occur, and therefore, the temperature of the constant temperature oil tank 5 should be monitored in real time during the production and the first and second oil pumps 10 and 11 should be controlled accordingly.
In order to improve the heat exchange efficiency, the first heat exchange tube 6 and the second heat exchange tube 7 are arranged in the constant-temperature oil tank 5 in a wavy manner, and the length of the first heat exchange tube 6 or the second heat exchange tube 7 is increased.
The outside of constant temperature oil tank 5 is equipped with heat preservation 12, and heat preservation 12 can be the cystosepiment, sets up heat preservation 12 and reduces constant temperature oil tank 5 and external heat exchange, slows down the temperature variation efficiency of constant temperature oil tank 5, reduces the temperature variation range of constant temperature oil tank 5, in addition, sets up the consumption that heat preservation 12 also can reduce the energy.
Be equipped with the second temperature sensor in the hot-oil tank 8, be equipped with the third temperature sensor in the cold oil tank 9, second temperature sensor and third temperature sensor are used for monitoring the temperature of hot-oil tank 8 and the temperature of cold oil tank 9 respectively, guarantee that the temperature of the conduction oil in hot-oil tank 8 and the cold oil tank 9 meets the requirements.
Referring to fig. 2, the oil pump further comprises a microcontroller, output signals of the first temperature sensor, the second temperature sensor and the third temperature sensor are connected to the microcontroller, and the first electric heating pipe, the second electric heating pipe, the first oil pump 10 and the second oil pump 11 are all connected to and controlled by the microcontroller. After the output signals of the first temperature sensor, the second temperature sensor and the third temperature sensor are input into the microcontroller through analog-to-digital conversion, the microcontroller firstly carries out statistical calculation on the data of the plurality of first temperature sensors to obtain an average value, the average value is compared with a preset temperature, when the detection value of the first sensor is higher than the preset temperature, the microcontroller controls the second oil pump 11 to work, and when the detection value of the first sensor is lower than the preset temperature, the microcontroller controls the first oil pump 10 to work. For the second temperature sensor and the third sensor, a comparison value is also set in the microcontroller, the comparison value for the second sensor can be set to be 5 degrees centigrade higher than the preset temperature, and the comparison value for the third sensor can be set to be 5 degrees centigrade lower than the preset temperature. Taking the example that the temperature required by a certain preparation process of a certain foam extinguishing agent is 60 +/-3 ℃, the preset temperature is 60 ℃, the comparison value of the second temperature sensor is 65 ℃, the comparison value of the third sensor is 55 ℃, when the detection value of the second sensor is lower than the comparison value of the second sensor by 65 ℃, the microcontroller controls the first electric heating pipe to work, and when the detection value of the third temperature sensor is lower than the comparison value of the third temperature sensor by 55 ℃, the microcontroller controls the second electric heating pipe to work. In this embodiment, the microcontroller is implemented by an 8-bit single chip microcomputer. The microcontroller controls the work of the first electric heating pipe, the second electric heating pipe, the first oil pump 10 and the second oil pump 11, so that the purpose of automatic control is realized, and the unattended operation in the preparation process is favorably realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A foam extinguishing agent reaction kettle constant temperature system is characterized by comprising a vertical kettle body (1), wherein a stirring shaft is arranged in the kettle body (1), the stirring shaft is connected with a stirring motor (2), stirring blades are arranged on the stirring shaft, a feeding hole (3) is formed in the top of the kettle body (1), and a discharging hole (4) is formed in the bottom of the kettle body (1); a constant-temperature oil tank (5) is arranged on the outer side of the kettle body (1), heat conducting oil is filled in the constant-temperature oil tank (5), and a first heat exchange pipe (6) and a second heat exchange pipe (7) are arranged in the constant-temperature oil tank (5); the first heat exchange tube (6) is connected with a hot oil tank (8), the first heat exchange tube (6) is connected with a first oil pump (10), and a first electric heating tube is arranged in the first hot oil tank (8); the second heat exchange tube (7) is connected with a cold oil tank (9), a second oil pump (11) is connected to the second heat exchange tube (7), and a second electric heating tube is arranged in the cold oil tank (9); a first temperature sensor is arranged in the constant-temperature oil tank (5).
2. The foam extinguishing agent autoclave thermostatic system according to claim 1, characterized in that the first heat exchange tube (6) and the second heat exchange tube (7) are both arranged wavelike inside a thermostatic oil tank (5).
3. The foam extinguishing agent reaction kettle constant temperature system according to claim 1, wherein a plurality of first temperature sensors are arranged in the constant temperature oil tank (5), and the plurality of first temperature sensors are uniformly distributed in the constant temperature oil tank (5).
4. The foam extinguishing agent reaction kettle constant temperature system according to claim 1, wherein an insulating layer (12) is arranged on the outer side of the constant temperature oil tank (5).
5. The foam extinguishing agent reaction kettle thermostatic system according to claim 1, characterized in that a second temperature sensor is arranged in the hot oil tank (8), and a third temperature sensor is arranged in the cold oil tank (9).
6. The foam extinguishing agent reaction kettle thermostatic system according to claim 5, characterized in that the system further comprises a microcontroller, wherein output signals of the first temperature sensor, the second temperature sensor and the third temperature sensor are connected to the microcontroller, and the first electric heating pipe, the second electric heating pipe, the first oil pump (10) and the second oil pump (11) are all connected with and controlled by the microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120870363.6U CN215353389U (en) | 2021-04-25 | 2021-04-25 | Foam extinguishing agent reation kettle constant temperature system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120870363.6U CN215353389U (en) | 2021-04-25 | 2021-04-25 | Foam extinguishing agent reation kettle constant temperature system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215353389U true CN215353389U (en) | 2021-12-31 |
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ID=79628152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120870363.6U Expired - Fee Related CN215353389U (en) | 2021-04-25 | 2021-04-25 | Foam extinguishing agent reation kettle constant temperature system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215353389U (en) |
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2021
- 2021-04-25 CN CN202120870363.6U patent/CN215353389U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |