CN216144168U - Forced cooling device for large cover of reduction reactor - Google Patents
Forced cooling device for large cover of reduction reactor Download PDFInfo
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- CN216144168U CN216144168U CN202121984944.9U CN202121984944U CN216144168U CN 216144168 U CN216144168 U CN 216144168U CN 202121984944 U CN202121984944 U CN 202121984944U CN 216144168 U CN216144168 U CN 216144168U
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- reduction reactor
- sealing cover
- reduction
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Abstract
The utility model discloses a forced cooling device for a large cover of a reduction reactor, belonging to the field of metal smelting. The problem of among the prior art reduction reactor big lid the cooling mode inefficiency, lead to production efficiency to reduce is solved. The device comprises a large reduction reactor cover (3) and a sealing cover (2), wherein the sealing cover (2) and the large reduction reactor cover (3) enclose a closed cavity, an air inlet (5) and an air outlet (4) are arranged on the sealing cover (2), and the air inlet (4) is connected with a cooling fan. The utility model actively reduces the temperature of the large cover, so that the large cover keeps normal use temperature, prolongs the use time of the large cover, reduces the influence on the reduction process, improves the feeding speed of the titanium tetrachloride, shortens the reduction reaction time and improves the production efficiency.
Description
Technical Field
The utility model belongs to the field of metal smelting, and particularly relates to a forced cooling device for a large cover of a reduction reactor.
Background
At present, in the process of producing titanium sponge by a magnesium-thermal method, a large amount of heat can be generated, most of the heat is released by natural air cooling or forced cooling of the reactor, but a part of the heat still can not be released in time, so that the temperature of the large cover is too high and becomes red, if the large cover is in a red state for a long time, the deformation of the large cover can be caused, the sealing performance of the reactor is influenced, and the service life of the large cover is shortened.
At present, the large cover is mainly cooled through natural heat dissipation, but the passive cooling mode is low in efficiency. In the prior art, the condition is mainly treated by discharging magnesium chloride to take away part of heat, but the discharging system is influenced, the reaction liquid level is fluctuated, and the normal production is influenced. Or the feeding speed of the titanium tetrachloride is reduced, the reaction severity is reduced, and the heat generation is reduced, so that the method has obvious effect, but the feeding time is correspondingly prolonged, and the production efficiency is reduced.
Therefore, there is a need for a new device that can actively reduce the temperature of the large lid.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the production efficiency is reduced due to the low cooling mode efficiency of the large cover of the reduction reactor in the prior art, the utility model provides a forced cooling device for the large cover of the reduction reactor, which aims to: the efficiency of reducing the temperature of the large cover of the reduction reactor is improved, so that the production efficiency is improved.
The technical scheme adopted by the utility model is as follows:
the forced cooling device for the large cover of the reduction reactor comprises the large cover of the reduction reactor and a sealing cover, wherein the sealing cover and the large cover of the reduction reactor enclose a closed cavity, an air inlet hole and an air outlet hole are formed in the sealing cover, and the air inlet hole is connected with a cooling fan.
After the technical scheme is adopted, when the temperature of the large cover of the reduction reactor is too high, the cooling fan is started, air enters the closed cavity from the air inlet to be in contact with the large cover of the reduction reactor, heat exchange is carried out, and then the air is discharged from the exhaust hole, so that heat is taken away, the large cover of the reduction reactor is actively cooled, the normal use temperature of the large cover is kept, the service life of the large cover is prolonged, the influence on the reduction process is reduced, the feeding speed of titanium tetrachloride can be increased, the reduction reaction time is shortened, and the production efficiency is improved.
Preferably, the exhaust hole is positioned in the center of the sealing cover, the air inlet hole is positioned at the edge of the sealing cover, the top of the large cover of the reduction reactor is connected with a feed pipe, and the feed pipe penetrates through the exhaust hole.
After the preferred scheme is adopted, the sealing cover does not influence the normal feeding of the titanium tetrachloride.
Preferably, the number of the air inlet holes is multiple, and the air inlet holes are distributed on the sealing cover in a central symmetry mode.
After adopting this preferred scheme, set up a plurality of inlet ports, can improve the cooling rate of big lid, improve the radiating efficiency of big lid, the flow uniformity of seal space wind direction is better, and inlet port central symmetry distributes, the inhomogeneous defect of cooling that leads to when can avoiding many fans cooling.
Preferably, the size of the sealing cover is matched with the installation groove of the heat preservation screen on the large cover of the reduction reactor.
After adopting this preferred scheme, sealed lid can utilize reduction reactor to cover original heat preservation screen mounting groove greatly and install, need not change the structure of reduction reactor big lid, practices thrift the cost.
Preferably, the size of the exhaust hole is larger than that of the intake hole.
Preferably, the device further comprises a temperature controller, the temperature controller comprises a temperature sensor and a control unit, the control unit is connected with the cooling fan, the temperature sensor is used for detecting the temperature of the large cover of the reduction reactor in real time and transmitting a signal to the control unit, and the control unit controls the rotating speed of the cooling fan according to the temperature signal.
After the preferred scheme is adopted, the rotating speed of the cooling fan can be automatically controlled according to the temperature of the large cover of the reduction reactor, so that the rotating speed of the cooling fan is matched with the feeding speed of the titanium tetrachloride, the feeding speed of the titanium tetrachloride is allowed to be faster, and meanwhile, the temperature of the large cover of the original reactor is ensured to be in a proper range.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. when the temperature of the large cover of the reduction reactor is too high, the cooling fan is started, air enters the closed cavity from the air inlet to be in contact with the large cover of the reduction reactor, heat exchange is carried out, and then the air is discharged from the exhaust hole, so that heat is taken away, active cooling of the large cover of the reduction reactor is realized, the large cover is kept at a normal use temperature, the service time of the large cover is prolonged, the influence on the reduction process is reduced, the feeding speed of titanium tetrachloride can be increased, the reduction reaction time is shortened, and the production efficiency is improved.
2. The sealing cover does not influence the normal feeding of the titanium tetrachloride.
3. The air inlet holes are arranged, the cooling speed of the large cover can be improved, the heat dissipation efficiency of the large cover is improved, the air direction flowing consistency of the sealing space is good, the air inlet holes are distributed in the central symmetry mode, and the defect that cooling is uneven when multiple fans are cooled can be overcome.
4. The sealing cover can be installed by utilizing the original heat-preservation screen mounting groove covered by the reduction reactor, the structure of the reduction reactor cover is not required to be changed, and the cost is saved.
5. The rotating speed of the cooling fan can be automatically controlled according to the temperature of the large cover of the reduction reactor, so that the rotating speed of the cooling fan is matched with the feeding speed of the titanium tetrachloride, the feeding speed of the titanium tetrachloride is allowed to be faster, and meanwhile, the temperature of the large cover of the original reactor is ensured to be in a proper range.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of the present invention.
Wherein, 1-a charging pipe, 2-a sealing cover, 3-a big cover of a reduction reactor, 4-an exhaust hole and 5-an air inlet hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
The present invention will be described in detail with reference to fig. 1.
A forced cooling device for a large cover of a reduction reactor is shown in figure 1 and comprises a large cover 3 of the reduction reactor and a sealing cover 2, wherein the sealing cover 2 is arranged on an original heat preservation screen mounting groove on the large cover 3 of the reduction reactor. The sealing cover 2 and the big cover 3 of the reduction reactor form a closed cavity, an air inlet 5 and an air outlet 4 are arranged on the sealing cover 2, and the air inlet 4 is connected with a cooling fan (not shown in the figure).
In this embodiment, the cooling fan can adopt normal temperature air or cold air, also can add atomizing cooling liquid in the air and improve the cooling effect.
In this embodiment, the exhaust hole 4 is located in the center of the sealing cover 2, the air inlet holes 5 are located on the edge of the sealing cover 2, and the number of the air inlet holes 5 is two and the air inlet holes are distributed on the sealing cover 2 in a central symmetry manner.
The top of the big cover 3 of the reduction reactor is connected with a feed pipe 1, and the feed pipe 1 penetrates through the vent hole 4.
In this embodiment, the aperture of the exhaust hole 4 is equal to the sum of the apertures of the two intake holes 5.
The device also comprises a temperature controller (not shown in the figure), wherein the temperature controller comprises a temperature sensor and a control unit, the control unit is connected with the cooling fan, and the temperature sensor is used for detecting the temperature of the large cover 3 of the reduction reactor in real time and transmitting a signal to the control unit. The control unit is provided with an upper temperature limit value and a lower temperature limit value, and when the temperature is detected to reach or exceed the upper limit value, the control unit controls the rotating speed of the cooling fan to increase, so that the cooling effect is improved; when the temperature is lower than the lower limit value, the control unit controls the rotating speed of the cooling fan to be reduced, so that the temperature of the large cover of the reduction reactor is moderate and in a proper range. In this embodiment, the control unit is a PLC controller.
When the forced cooling device for the large cover of the reactor is used, the forced cooling device comprises the following operation steps: firstly, adding a certain amount of liquid magnesium into a reactor, preheating to a certain temperature, opening a feeding pipe to feed titanium tetrachloride into the reactor at a speed of 150kg/h, reacting the liquid magnesium with the titanium tetrachloride to release a large amount of heat, continuously increasing the feeding speed of the titanium tetrachloride, opening a cooling fan when a large amount of heat heats a large cover of the reactor to 500 ℃, taking away the surface heat of the large cover of the reactor through large air quantity, keeping the temperature of the large cover below 500 ℃, increasing the maximum feeding speed of raw materials from the original 400kg/h to 600kg/h, when the feeding speed reaches 600kg/h, enabling the corresponding rotating speed of the cooling fan to reach the maximum 2900r/min, balancing the generation and discharge of the heat, continuing for 30 hours, then reducing the feeding speed until the feeding is finished, and closing the cooling fan.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The forced cooling device for the large cover of the reduction reactor is characterized by comprising the large cover (3) of the reduction reactor and a sealing cover (2), wherein the sealing cover (2) and the large cover (3) of the reduction reactor enclose a closed cavity, an air inlet hole (5) and an air outlet hole (4) are formed in the sealing cover (2), and the air inlet hole (5) is connected with a cooling fan.
2. A forced cooling device for big cover of reduction reactor according to claim 1, characterized in that said vent hole (4) is located at the center of the sealing cover (2), said air inlet hole (5) is located at the edge of the sealing cover (2), said big cover (3) of reduction reactor is connected with the feed pipe (1), said feed pipe (1) passes through the vent hole (4).
3. A forced cooling device for big covers of reduction reactors according to claim 1, characterized in that the number of said air intake holes (5) is multiple and distributed on the sealing cover (2) with central symmetry.
4. A forced cooling device for big covers of reduction reactors according to claim 1, characterized in that the size of the sealing cover (2) matches the installation groove of the heat-insulating screen on the big covers (3) of reduction reactors.
5. A forced cooling device for big covers of reduction reactors according to claim 1, characterized in that the size of the exhaust holes (4) is larger than the size of the intake holes (5).
6. The forced cooling device for the large cover of the reduction reactor according to claim 1, further comprising a temperature controller, wherein the temperature controller comprises a temperature sensor and a control unit, the control unit is connected with the cooling fan, the temperature sensor is used for detecting the temperature of the large cover (3) of the reduction reactor in real time and transmitting a signal to the control unit, and the control unit controls the rotating speed of the cooling fan according to the temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121984944.9U CN216144168U (en) | 2021-08-23 | 2021-08-23 | Forced cooling device for large cover of reduction reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121984944.9U CN216144168U (en) | 2021-08-23 | 2021-08-23 | Forced cooling device for large cover of reduction reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144168U true CN216144168U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121984944.9U Active CN216144168U (en) | 2021-08-23 | 2021-08-23 | Forced cooling device for large cover of reduction reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144168U (en) |
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2021
- 2021-08-23 CN CN202121984944.9U patent/CN216144168U/en active Active
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