CN217303201U - Overtemperature automatic protection type hot blast stove - Google Patents
Overtemperature automatic protection type hot blast stove Download PDFInfo
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- CN217303201U CN217303201U CN202221215727.8U CN202221215727U CN217303201U CN 217303201 U CN217303201 U CN 217303201U CN 202221215727 U CN202221215727 U CN 202221215727U CN 217303201 U CN217303201 U CN 217303201U
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- fixedly connected
- heat exchange
- exchange chamber
- combustion chamber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses an automatic protection formula hot-blast furnace surpasses temperature, including combustion chamber and heat transfer room, the top fixedly connected with heat transfer room of combustion chamber, the equal long section of thick bamboo centrifugal fan of the equal fixedly connected with in top both sides of heat transfer room, two long section of thick bamboo centrifugal fan's the equal fixedly connected with ventilating board of air outlet department, the equal fixedly connected with radiation shield in both sides of combustion chamber, the one end top middle part of heat transfer room is provided with the hot-blast main, the one end top that the combustion chamber is close to the hot-blast main is provided with the fuel mouth, the one end below that the hot-blast main was kept away from to the combustion chamber is provided with the ash hole. The utility model discloses in, the long section of thick bamboo centrifugal fan that heat transfer room both sides set up, the corresponding ventilating board of cooperation, accessible ventilating board when carrying out thermal-insulated to the heat transfer room, utilize the energy that can scatter and disappear originally to preheat combustion-supporting gas, improved energy utilization, strengthened the practicality of device.
Description
Technical Field
The utility model relates to a hot-blast furnace technical field specifically is an overtemperature automatic protection formula hot-blast furnace.
Background
In order to ensure safe production, the national relevant standards make upper limit limits on the temperature of the flue gas at the high-temperature end of the heat exchanger of the hot blast stove. According to the requirement, most of the current hot blast stove manufacturers adopt a temperature sensor arranged at a smoke inlet of a heat exchanger, when the smoke temperature at the high temperature end of the heat exchanger reaches the upper limit, an induced draft fan stops running, the combustion is weakened, the smoke temperature gradually drops, and when the smoke temperature drops to a set temperature, the induced draft fan is restarted, and the hot blast stove recovers running.
The oven wall of current hot-blast furnace still can give off the heat under long-time work, causes the energy to scatter and disappear, in addition, all does not install filter equipment in current most hot-blast furnace air inlet and the air-out pipeline, leads to causing the pollution to hot-blast furnace and environment, has further improvement space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an overtemperature automatic protection type hot blast stove.
In order to realize the purpose, the utility model adopts the following technical scheme: an over-temperature automatic protection type hot blast stove comprises a combustion chamber and a heat exchange chamber, wherein the heat exchange chamber is fixedly connected above the combustion chamber, long-tube centrifugal ventilators are fixedly connected to two sides above the heat exchange chamber, ventilating plates are fixedly connected to air outlets of the two long-tube centrifugal ventilators, heat insulation sleeves are fixedly connected to two sides of the combustion chamber, a hot blast pipe is arranged in the middle above one end of the heat exchange chamber, a fuel port is arranged above one end, close to the hot blast pipe, of the combustion chamber, and an ash outlet is arranged below one end, far away from the hot blast pipe, of the combustion chamber;
a smoke outlet seat is fixedly communicated above one end of the heat exchange chamber, which is far away from the hot air pipe, a smoke outlet pipe is fixedly communicated with one end of the smoke outlet seat, which is far away from the heat exchange chamber, an electrostatic dust collector is fixedly communicated below one side of the electrostatic dust collector, which is far away from the smoke outlet seat, an exhaust pipe is fixedly communicated with the bottom of the electrostatic dust collector, and a dust collecting hopper is fixedly connected to the bottom of the electrostatic dust collector;
the smoke exhaust device is characterized in that a temperature sensor is fixedly connected to the middle of one end, close to the smoke outlet seat, of the upper portion of the smoke outlet pipe, an air inlet seat is fixedly connected to the middle of the lower portion of one end, close to the smoke outlet seat, of the heat exchange chamber, an air blower is fixedly communicated with one end, far away from the heat exchange chamber, of the air inlet seat, a blower motor is fixedly connected to the center of one side of the air blower, a cooling pipe is fixedly communicated with the middle of the upper portion of the air inlet seat, and a control valve is arranged in the middle of the cooling pipe.
As a further description of the above technical solution:
the upper parts of the two ventilation plates respectively penetrate through two sides of the interior of the heat exchange chamber and are fixedly connected with the inner walls of the two sides of the heat exchange chamber, and the lower parts of the two ventilation plates respectively penetrate through corresponding heat insulation sleeves and are fixedly connected with the lower parts of the two sides of the combustion chamber.
As a further description of the above technical solution:
the ceramic heat exchanger is fixedly connected inside the heat exchange chamber, an air inlet of the ceramic heat exchanger is fixedly communicated with the air inlet seat, and one end of the hot air pipe, which is close to the air inlet seat, penetrates through the heat exchange chamber and is fixedly communicated with an air outlet of the ceramic heat exchanger.
As a further description of the above technical solution:
the temperature sensor is electrically connected with the long-barrel centrifugal fan, the blower motor and the control valve through the controller.
As a further description of the above technical solution:
and one end of the cooling pipe, which is far away from the air inlet seat, is fixedly communicated with the bottom of the smoke outlet seat.
As a further description of the above technical solution:
and the output end of the blower motor is fixedly connected with a transmission shaft of the blower.
As a further description of the above technical solution:
and outer rotor motors are arranged in the two long-cylinder centrifugal ventilators.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. the utility model discloses be provided with temperature sensor, cooperation cooling tube and control valve can be when detecting the overtemperature, through opening the control valve, increase the power of air-blower, when improving heat exchange efficiency, make external cold air get into out in the tobacco pipe, cool off fast, prevent overtemperature to electrostatic precipitator's damage, improved the practicality of device.
2. The utility model discloses a long section of thick bamboo centrifugal fan that heat transfer room both sides set up cooperates corresponding ventilating board, accessible ventilating board, when carrying out thermal-insulated to the heat transfer room, utilizes the energy that can scatter and disappear originally to preheat combustion-supporting gas, has improved energy utilization, has strengthened the practicality of device.
3. The utility model discloses be provided with electrostatic precipitator, can remove dust the processing to the flue gas under the high temperature condition, improved the environmental protection ability, strengthened the practicality of device.
Drawings
Fig. 1 is a schematic view of a left side three-dimensional structure of an overtemperature automatic protection type hot blast stove of the present invention;
FIG. 2 is a right side perspective view of the automatic overtemperature protection hot blast stove of the present invention;
FIG. 3 is a schematic view of the front structure of an overtemperature automatic protection hot blast stove of the present invention;
FIG. 4 is a schematic side view of the automatic overtemperature protection hot blast stove of the present invention;
illustration of the drawings:
1. a combustion chamber; 2. a heat exchange chamber; 3. a hot air pipe; 4. a long-tube centrifugal ventilator; 5. a cigarette outlet seat; 6. discharging the smoke tube; 7. a temperature sensor; 8. an electrostatic precipitator; 9. an exhaust gas pipe; 10. a dust collecting hopper; 11. a fuel port; 12. an ash outlet; 13. a blower; 14. a blower motor; 15. an air inlet seat; 16. a cooling tube; 17. a control valve; 18. a heat insulating sleeve; 19. a ventilation board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an over-temperature automatic protection type hot blast stove comprises a combustion chamber 1 and a heat exchange chamber 2, the heat exchange chamber 2 is fixedly connected above the combustion chamber 1, long-tube centrifugal ventilators 4 are fixedly connected on both sides above the heat exchange chamber 2, an outer rotor motor is arranged inside each of the two long-tube centrifugal ventilators 4, ventilating plates 19 are fixedly connected at air outlets of the two long-tube centrifugal ventilators 4, heat insulating sleeves 18 are fixedly connected on both sides of the combustion chamber 1, a hot blast pipe 3 is arranged in the middle of the upper part of one end of the heat exchange chamber 2, the upper parts of the two ventilating plates 19 respectively penetrate through both sides of the interior of the heat exchange chamber 2 and are fixedly connected with the inner walls of both sides of the heat exchange chamber 2, the lower parts of the two ventilating plates 19 respectively penetrate through the corresponding heat insulating sleeves 18 and are fixedly connected with the lower parts of both sides of the combustion chamber 1, a fuel port 11 is arranged above one end of the combustion chamber 1 close to the hot blast pipe 3, an ash outlet 12 is arranged below one end of the combustion chamber 1 far away from the hot blast pipe 3, the long-tube centrifugal ventilators 4 arranged on the two sides of the heat exchange chamber 2 are matched with the corresponding ventilating plates 19, so that the heat exchange chamber 2 can be insulated through the ventilating plates 19, and simultaneously, the combustion-supporting gas can be preheated by using energy which is originally dissipated, the energy utilization rate is improved, and the practicability of the device is enhanced;
a smoke outlet seat 5 is fixedly communicated above one end of the heat exchange chamber 2 far away from the hot air pipe 3, a smoke outlet pipe 6 is fixedly communicated with one end of the smoke outlet seat 5 far away from the heat exchange chamber 2, an electrostatic dust collector 8 is fixedly communicated with one end of the smoke outlet pipe 6 far away from the smoke outlet seat 5, a waste gas pipe 9 is fixedly communicated below one side of the electrostatic dust collector 8 far away from the smoke outlet pipe 6, a dust collecting hopper 10 is fixedly connected to the bottom of the electrostatic dust collector 8, and the electrostatic dust collector 8 can remove dust from smoke at high temperature, so that the environmental protection capability is improved, and the practicability of the device is enhanced;
a temperature sensor 7 is fixedly connected to the middle of one end, close to the smoke outlet seat 5, above the smoke outlet pipe 6, a temperature sensor 7 is fixedly connected to the middle of one end, close to the smoke outlet seat 5, of the heat exchange chamber 2, an air inlet seat 15 is fixedly connected to the middle of the lower portion of one end, close to the smoke outlet seat 5, of the heat exchange chamber 2, a ceramic heat exchanger is fixedly connected to the interior of the heat exchange chamber 2, an air inlet of the ceramic heat exchanger is fixedly communicated with the air inlet seat 15, one end, close to the air inlet seat 15, of the hot air pipe 3 penetrates through the heat exchange chamber 2 to be fixedly communicated with an air outlet of the ceramic heat exchanger, an air blower 13 is fixedly communicated with one end, far away from the heat exchange chamber 2, of the air inlet seat 15, a blower motor 14 is fixedly connected to the center of one side of the air blower 13, an output end of the blower motor 14 is fixedly connected with a transmission shaft of the air blower 13, a cooling pipe 16 is fixedly communicated with the middle of the upper portion of the air inlet seat 15, one end, far away from the air inlet seat 15 is fixedly communicated with the bottom of the smoke outlet seat 5, a control valve 17 is arranged in the middle of the cooling pipe 16, and the temperature sensor 7 is connected with a long-tube centrifugal ventilator 4 through a controller, Blower motor 14 and control valve 17 electric connection, the utility model discloses the temperature sensor 7 that sets up, cooperation cooling tube 16 and control valve 17 can be when detecting the overtemperature, through opening control valve 17, increase the power of air-blower 13, when improving heat exchange efficiency, make external cold air get into out in tobacco pipe 6, cool off fast, prevent the damage of overtemperature to electrostatic precipitator 8, improved the practicality of device.
The working principle is as follows: the utility model discloses when using, the long section of thick bamboo centrifugal fan 4 that 2 both sides of heat transfer room set up, cooperate corresponding ventilating board 19, accessible ventilating board 19, when carrying out thermal-insulated to heat transfer room 2, the energy that utilizes to scatter and disappear originally preheats combustion-supporting gas, energy utilization is improved and, and when temperature sensor 7 detected the overtemperature, control valve 17 is opened to the accessible, increase air-blower 13's power, when improving heat exchanger heat exchange efficiency, make external cold air get into out in tobacco pipe 6 through cooling tube 16, cool off the super temperature flue gas fast, prevent the damage of super temperature to electrostatic precipitator 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an overtemperature automatic protection formula hot-blast furnace, includes combustion chamber (1) and heat transfer room (2), its characterized in that: a heat exchange chamber (2) is fixedly connected above the combustion chamber (1), long-tube centrifugal fans (4) are fixedly connected to two sides above the heat exchange chamber (2), ventilating plates (19) are fixedly connected to air outlets of the two long-tube centrifugal fans (4), heat insulating sleeves (18) are fixedly connected to two sides of the combustion chamber (1), a hot air pipe (3) is arranged in the middle above one end of the heat exchange chamber (2), a fuel port (11) is arranged above one end, close to the hot air pipe (3), of the combustion chamber (1), and an ash outlet (12) is arranged below one end, far away from the hot air pipe (3), of the combustion chamber (1);
a smoke outlet seat (5) is fixedly communicated above one end of the heat exchange chamber (2) far away from the hot air pipe (3), a smoke outlet pipe (6) is fixedly communicated with one end of the smoke outlet seat (5) far away from the heat exchange chamber (2), an electrostatic dust collector (8) is fixedly communicated with one end of the smoke outlet pipe (6) far away from the smoke outlet seat (5), a waste gas pipe (9) is fixedly communicated below one side of the electrostatic dust collector (8) far away from the smoke outlet pipe (6), and a dust collecting hopper (10) is fixedly connected to the bottom of the electrostatic dust collector (8);
the flue gas purification device is characterized in that a temperature sensor (7) is fixedly connected to the middle of one end, close to a flue gas outlet seat (5), of the upper portion of the flue gas outlet pipe (6), an air inlet seat (15) is fixedly connected to the middle of the lower portion of one end, close to the flue gas outlet seat (5), of the heat exchange chamber (2), an air blower (13) is fixedly communicated with one end, far away from the heat exchange chamber (2), of the air inlet seat (15), a blower motor (14) is fixedly connected to the center of one side of the air blower (13), a cooling pipe (16) is fixedly communicated with the middle of the upper portion of the air inlet seat (15), and a control valve (17) is arranged in the middle of the cooling pipe (16).
2. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: the upper parts of the two ventilating plates (19) respectively penetrate through two sides of the interior of the heat exchange chamber (2) and are fixedly connected with the inner walls of the two sides of the heat exchange chamber (2), and the lower parts of the two ventilating plates (19) respectively penetrate through corresponding heat insulating sleeves (18) and are fixedly connected with the lower parts of the two sides of the combustion chamber (1).
3. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: the ceramic heat exchanger is fixedly connected inside the heat exchange chamber (2), an air inlet of the ceramic heat exchanger is fixedly communicated with the air inlet seat (15), and one end, close to the air inlet seat (15), of the hot air pipe (3) penetrates through the heat exchange chamber (2) to be fixedly communicated with an air outlet of the ceramic heat exchanger.
4. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: the temperature sensor (7) is electrically connected with the long-tube centrifugal fan (4), the blower motor (14) and the control valve (17) through the controller.
5. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: one end of the cooling pipe (16) far away from the air inlet seat (15) is fixedly communicated with the bottom of the smoke outlet seat (5).
6. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: the output end of the blower motor (14) is fixedly connected with the transmission shaft of the blower (13).
7. The over-temperature automatic protection type hot blast stove according to claim 1, characterized in that: and outer rotor motors are arranged in the two long-cylinder centrifugal fans (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221215727.8U CN217303201U (en) | 2022-05-20 | 2022-05-20 | Overtemperature automatic protection type hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221215727.8U CN217303201U (en) | 2022-05-20 | 2022-05-20 | Overtemperature automatic protection type hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217303201U true CN217303201U (en) | 2022-08-26 |
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ID=82917788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221215727.8U Active CN217303201U (en) | 2022-05-20 | 2022-05-20 | Overtemperature automatic protection type hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217303201U (en) |
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2022
- 2022-05-20 CN CN202221215727.8U patent/CN217303201U/en active Active
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