CN215103366U - Automatic drainage device that prevents frostbite of dehumidification air blast surface cooler - Google Patents
Automatic drainage device that prevents frostbite of dehumidification air blast surface cooler Download PDFInfo
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- CN215103366U CN215103366U CN202121241168.3U CN202121241168U CN215103366U CN 215103366 U CN215103366 U CN 215103366U CN 202121241168 U CN202121241168 U CN 202121241168U CN 215103366 U CN215103366 U CN 215103366U
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Abstract
The utility model is suitable for the technical field of the dehumidifying blast air surface cooler of the blast furnace, and provides an anti-freezing automatic drainage device of the dehumidifying blast air surface cooler, which comprises a control device, a collector, a float switch, a reservoir, a fan, a surface cooler body, a blowing device and a cooling pipe, wherein when cooling water is discharged in winter, the blowing device is opened, positive pressure is applied from one end of the cooling pipe through the blowing device, the fan is opened to blow air into the surface cooler body, so that negative pressure is generated at the bottom of the surface cooler body, water is brought out, the collector is arranged at the bottom of the cooling pipe, the float switch is arranged in the collector, when the water level at the bent pipe of the collector reaches a certain position, the float switch floats upwards and is opened, so that the water in the cooling pipe is discharged, siphonage is generated in the discharging process, the cooling water at the position of the cooling pipe is drawn out by generating larger suction force, thereby avoiding the cooling water from being accumulated in the cooling pipe, resulting in the problem of freezing in winter.
Description
Technical Field
The utility model belongs to the technical field of blast furnace dehumidification air-blast surface cooler, especially, relate to a dehumidification air-blast surface cooler automatic drainage device that prevents frostbite.
Background
In the blast furnace smelting process, moisture contained in the blast air is condensed out through a surface air cooler in the blast furnace blowing process for saving energy and reducing consumption, so that the power consumption of a fan and the coal gas loss are reduced.
After dehumidification, the water condensed in the longer inner part of the copper pipe pass in the surface cooler can not be completely evaporated, and in addition, a small amount of sediment such as silt and the like with strong water absorption exist in the copper pipe of the surface cooler. The water drops are condensed to be gathered and finally gathered at the elbow at the tail end of the surface cooler along with the continuous evaporation and condensation of the change of the air supply temperature, and when the air temperature is lower than 0 ℃, the water drops are frozen at the elbow at the bottom of the surface cooler, so that the copper pipe is frozen and cracked. When the next dehumidification flow is started, a large amount of chilled water for dehumidification in the copper pipe begins to leak, so that the dehumidification process cannot be continued, and on the other hand, after a large amount of moisture is sucked by a fan, accidents such as surging and the like which endanger the operation safety can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dehumidification blast air surface cooler automatic drainage device that prevents frostbite aims at solving the unable complete evaporation of the moisture that condenses of the inside copper pipe side of surface cooler after the dehumidification, and there is the stronger deposit of hydroscopicity such as a small amount of silt in the inside copper pipe portion of surface cooler in addition. The water drops are condensed to be gathered and finally gathered at the elbow at the tail end of the surface cooler along with the continuous evaporation and condensation of the change of the air supply temperature, and when the air temperature is lower than 0 ℃, the water drops are frozen at the elbow at the bottom of the surface cooler, so that the copper pipe is frozen and cracked. When the next dehumidification flow is started, a large amount of chilled water for dehumidification in the copper pipe begins to leak, so that the dehumidification process cannot be continued, and on the other hand, a fan sucks a large amount of water to cause the problems of accidents such as surging and the like which endanger the operation safety.
The utility model discloses a realize like this, a dehumidification blast air surface cooler prevents frostbite automatic drainage device, including controlling means, collector, float switch, cistern, fan, surface cooler body, blast apparatus and cooling tube, controlling means install in on the collector, float switch fixed connection in inside the collector, the cistern with the inside intercommunication of surface cooler body, blast apparatus is located inside the blast furnace, the cooling tube is located inside the surface cooler body, and with surface cooler body fixed connection.
Preferably, the collector is S-shaped, and the top of the collector is connected to the water outlet end of the cooling pipe inside the surface cooler body, so as to discharge the cooling water left inside the cooling pipe.
Preferably, the water reservoir is connected to a water inlet end of the cooling pipe through a pipe for delivering the cooling water stored inside the water reservoir to the inside of the cooling pipe.
Preferably, an air inlet is formed in the side wall of the surface cooler body, and the output end of the fan is connected with the air inlet formed in the surface cooler body and used for blowing external air into the surface cooler body.
Preferably, the blowing device is arranged on the blast furnace, a pipeline is arranged on the output end of the blowing device, and one end, far away from the blowing device, of the pipeline is communicated with the cooling pipe.
Preferably, the bottom of the surface air cooler body is provided with a liquid containing box for receiving water and storing water, and the liquid containing box is positioned at the bottom of the water outlet end of the cooling pipe and detachably connected with the surface air cooler body.
Preferably, the cooling pipe is provided with a communicating pipe, and the communicating pipe is connected with the top end of the cooling pipe and used for communicating the plurality of cooling pipes.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an automatic drainage device that dehumidifies blast air surface cooler prevents frostbite, through setting up controlling means, the collector, float switch, blast apparatus and fan, after discharging the cooling water winter, open blast apparatus, apply the malleation from cooling tube one end through blast apparatus, open the fan simultaneously and blow to surface cooler body inside, make surface cooler body bottom produce the negative pressure, bring out moisture, the cooling tube bottom is equipped with the collector, the inside float switch that is equipped with of collector, after the return bend department water level of collector reachs a position, float switch come-up is opened, make the inside moisture of cooling tube discharge, the discharge in-process produces the siphon effect, the cooling water that produces great suction and take the inside bend department of cooling tube out, thereby the inside accumulated cooling water of cooling tube has been avoided, lead to the problem of freezing winter.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the surface cooler of the present invention;
fig. 3 is a schematic view of the connection structure of the present invention;
in the figure: 11. a control device; 12. a collector; 13. a float switch; 14. a reservoir; 15. a fan; 16. a surface cooler body; 17. a blowing device; 18. a liquid containing box; 19. a cooling tube; 20. a communicating pipe; 21. a sedimentation tank; 22. and connecting the pipelines.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dehumidification blast air surface cooler prevents frostbite automatic drainage device, including controlling means 11, collector 12, float switch 13, cistern 14, fan 15, surface cooler body 16, blast apparatus 17 and cooling tube 19, controlling means 11 installs on collector 12, float switch 13 fixed connection is inside collector 12, cistern 14 and the inside intercommunication of surface cooler body 16, blast apparatus 17 is located inside the blast furnace, cooling tube 19 is located inside surface cooler body 16 to with surface cooler body 16 fixed connection.
In the embodiment, a cooling pipe 19 is arranged inside a surface cooler body 16, the water inlet ends of the cooling pipe 19 are communicated with each other through a communicating pipe 20, a blowing device 17 is arranged on a blast furnace, the output end of the blowing device 17 is connected with the communicating pipe 20 through a pipeline, when the weather is cold in winter and cooling water in the cooling pipe 19 needs to be discharged, a valve at the water outlet end of the cooling pipe 19 is used for discharging the cooling water, the blowing device 17 is opened, positive pressure is applied from the water inlet end of the cooling pipe 19 through the blowing device 17, a fan 15 is simultaneously opened, the fan 15 blows air into the surface cooler body 16 in the running process, so that negative pressure is generated at the bottom of the surface cooler body 16, the pipeline is continuously blown by the air pressure at the outlet of the blowing device 17 to accelerate evaporation of copper pipes in the surface cooler and take out the water, meanwhile, a collector 12 is arranged at the bottom of the cooling pipe 19, and the collector 12 is in an S shape, the inside of the cooling pipe is provided with the float switch 13, when the water level at the bent pipe of the collector 12 reaches a certain position, the float switch 13 floats upwards and is opened, so that the water in the cooling pipe 19 is discharged, and in the discharging process, because the S shape of the collector 12 generates siphon action and generates larger suction force, the cooling water at the bent pipe inside the cooling pipe 19 is pumped out, so that the problem that the cooling pipe 19 is frozen in winter due to the fact that the cooling water is accumulated in the cooling pipe 19 is solved.
In this embodiment, the reservoir 14 is connected to the sedimentation tank 21, the settled clean water enters the reservoir 14 for storage, the reservoir 14 is provided with a connecting pipe 22 for conveying the clean water to the inside of a communicating pipe 20 at the top of the cooling pipe 19, the communicating pipe 20 connects a plurality of cooling pipes 19 together for conveying the cooling water to the inside of the cooling pipe 19 to reduce the temperature of the outer surface of the cooling pipe 19, the fan 15 is arranged at the outer side of the surface cooler body 16, the outer side of the surface cooler body 16 is provided with an opening, before the fan 15 conveys the external air to the inside of the blast furnace, the external air firstly enters the surface cooler body 16, the moisture in the air is condensed by the low-temperature cooling pipe 19, so as to achieve the effect of dehumidifying the air, the blowing device 17 is arranged on the blast furnace, the output end of the blowing device 17 is connected with the communicating pipe 20 by a pipe, when the weather in winter becomes cold and the cooling water in the cooling pipe 19 needs to be discharged, after cooling water is discharged from a valve at the water outlet end of the cooling pipe 19, the blowing device 17 is opened, positive pressure is applied from the water inlet end of the cooling pipe 19 through the blowing device 17, the fan 15 is opened at the same time, the fan 15 blows air into the surface cooler body 16 in the running process, negative pressure is generated at the bottom of the surface cooler body 16, the air pressure at the outlet of the blowing device 17 is used for continuously blowing the pipeline to accelerate the evaporation of copper pipes in the surface cooler and carry out water discharge, meanwhile, the collector 12 is arranged at the bottom of the cooling pipe 19, the collector 12 is S-shaped, the floater switch 13 is arranged in the collector 12, when the water level at the bent pipe of the collector 12 reaches a certain position, the floater switch 13 floats upwards and is opened, the water in the cooling pipe 19 is discharged, and in the discharging process, siphon action is generated due to the S-shaped of the collector 12, large suction force is generated, and the cooling water at the bent pipe 19 is pumped out, thereby avoiding the problem that the cooling pipe 19 is frozen in winter due to the fact that cooling water is accumulated in the cooling pipe 19.
Further, the collector 12 is S-shaped, and the top of the collector 12 is connected to the water outlet end of the cooling pipe 19 inside the surface cooler body 16 for discharging the cooling water left inside the cooling pipe 19.
In this embodiment, the collector 12 is formed in an S-shape, and the bottom of the drain is formed in a siphon effect by the S-turn of the float ball, so that the residual water in the cooling pipe 19 is sucked out by the siphon effect, thereby preventing the internal water from accumulating.
Further, the water reservoir 14 is connected to an inlet end of the cooling pipe 19 through a pipe for delivering the cooling water stored inside the water reservoir 14 to the inside of the cooling pipe 19.
In this embodiment, the water reservoir 14 is connected to the water inlet end of the cooling pipe 19 through a pipe for transferring the cooling water stored inside the water reservoir 14 to the inside of the cooling pipe 19, and the height of the surface of the cooling pipe 19 is lowered to condense moisture in the air, thereby dehydrating the air introduced into the blast furnace.
Furthermore, an air inlet is formed in the side wall of the surface cooler body 16, and the output end of the fan 15 is connected with the air inlet formed in the surface cooler body 16 and used for blowing external air into the surface cooler body 16.
In this embodiment, the surface air cooler body 16 is provided with an air inlet, so that the fan 15 blows outside air into the surface air cooler body 16, and the air is cooled by the cooling pipe 19 inside the surface air cooler body 16 to perform a dehydration operation.
Further, the blowing device 17 is arranged on the blast furnace, a pipeline is arranged on the output end of the blowing device 17, and one end of the pipeline, which is far away from the blowing device 17, is communicated with the cooling pipe 19.
In the present embodiment, the blowing device 17 is provided, and the output end of the blowing device 17 is connected to the water inlet end of the cooling pipe 19, so as to blow the outside air into the cooling pipe 19, blow out the wet air inside the cooling pipe 19, and discharge the cooling water deposited at the bend of the cooling pipe 19 into the liquid containing box 18 by the negative pressure.
Further, a liquid containing box 18 for receiving and storing water is arranged at the bottom of the surface air cooler body 16, and the liquid containing box 18 is positioned at the bottom of the water outlet end of the cooling pipe 19 and is detachably connected with the surface air cooler body 16.
In this embodiment, a liquid containing box 18 for receiving and storing water is arranged at the bottom of the surface air cooler body 16, the liquid containing box 18 is positioned at the bottom of the water outlet end of the cooling pipe 19 and used for collecting the water inside the cooling pipe 19, the liquid containing box 18 is detachably connected with the surface air cooler body 16, the liquid containing box 18 is convenient to detach and mount, and therefore the water inside the liquid containing box 18 is discharged.
Further, a communication pipe 20 is provided on the cooling pipe 19, and the communication pipe 20 is connected to a top end of the cooling pipe 19 and is used for communicating the plurality of cooling pipes 19.
In the present embodiment, the cooling pipe 19 is provided with a communication pipe 20, and the communication pipe 20 is connected to the top end of the cooling pipe 19 and is used for communicating the plurality of cooling pipes 19, so as to facilitate blowing air and introducing cooling water into the cooling pipe 19.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a dehumidification blast air surface cooler prevents frostbite automatic drainage device, includes controlling means (11), collector (12), float switch (13), cistern (14), fan (15), surface cooler body (16), blast apparatus (17) and cooling tube (19), its characterized in that: controlling means (11) install in on collector (12), float switch (13) fixed connection in inside collector (12), cistern (14) with inside intercommunication of surface cooler body (16), blast apparatus (17) are located inside the blast furnace, cooling tube (19) are located inside surface cooler body (16), and with surface cooler body (16) fixed connection.
2. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the collector (12) is S-shaped, and the top of the collector (12) is connected with the water outlet end of the cooling pipe (19) in the surface air cooler body (16) and used for discharging the vacant cooling water in the cooling pipe (19).
3. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the water reservoir (14) is connected with the water inlet end of the cooling pipe (19) through a pipeline and is used for conveying cooling water stored in the water reservoir (14) to the interior of the cooling pipe (19).
4. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the side wall of the surface air cooler body (16) is provided with an air inlet, and the output end of the fan (15) is connected with the air inlet formed in the surface air cooler body (16) and used for blowing external air into the surface air cooler body (16).
5. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the blast furnace is characterized in that the blowing device (17) is arranged on the blast furnace, a pipeline is arranged at the output end of the blowing device (17), and one end, far away from the blowing device (17), of the pipeline is communicated with the cooling pipe (19).
6. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the bottom of the surface air cooler body (16) is provided with a liquid containing box (18) used for receiving water and storing water, and the liquid containing box (18) is positioned at the bottom of the water outlet end of the cooling pipe (19) and is detachably connected with the surface air cooler body (16).
7. The anti-freezing automatic water discharging device of the dehumidifying air-blowing surface cooler as claimed in claim 1, wherein: the cooling pipe (19) is provided with a communicating pipe (20), and the communicating pipe (20) is connected with the top end of the cooling pipe (19) and used for communicating the plurality of cooling pipes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241168.3U CN215103366U (en) | 2021-06-04 | 2021-06-04 | Automatic drainage device that prevents frostbite of dehumidification air blast surface cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241168.3U CN215103366U (en) | 2021-06-04 | 2021-06-04 | Automatic drainage device that prevents frostbite of dehumidification air blast surface cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215103366U true CN215103366U (en) | 2021-12-10 |
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ID=79303869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121241168.3U Active CN215103366U (en) | 2021-06-04 | 2021-06-04 | Automatic drainage device that prevents frostbite of dehumidification air blast surface cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215103366U (en) |
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2021
- 2021-06-04 CN CN202121241168.3U patent/CN215103366U/en active Active
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