CN216744917U

CN216744917U - High-voltage direct-heating hot-blast stove

Info

Publication number: CN216744917U
Application number: CN202123027427.5U
Authority: CN
Inventors: 刘磊; 张文龙; 李勇; 高伟; 翟志永; 刘宗华
Original assignee: Zhoukou Yuanda Taikang Boiler Co ltd
Current assignee: Zhoukou Yuanda Taikang Boiler Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-14
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a high-tension electricity directly-heated type hot-blast furnace relates to hot-blast furnace technical field, including urceolus and inner tube, the interior diapire fixedly connected with backup pad of urceolus, the upper surface and the inner tube fixed connection of backup pad, one side fixedly connected with fixed plate of urceolus, the last fixed surface of fixed plate installs the combustor, the fixed pipe of output fixedly connected with of combustor, fixed pipe is located the inner wall of inner tube, one side fixedly connected with flow distribution plate of inner tube. This high-tension electricity directly-heated type hot-blast furnace, staff start the combustor and burn to the inside of inner tube, and the gas after carrying out the reposition of redundant personnel burning through the flow distribution plate is convenient for make gaseous progressively mix, then opens the cold wind that the air-blower sent and in the heat exchange, also plays the effect of cooling inner tube wall, mixes with the gas and the cold wind that then burn at the mixing chamber, drives the mixing fan through the motor, fully makes cold wind and heat carry out even mixture.

Description

High-voltage direct-heating hot-blast stove

Technical Field

The utility model relates to a hot-blast furnace technical field specifically is high-tension electricity directly-heated type hot-blast furnace.

Background

The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types.

However, when the hot blast stove is used at present, the heat loss is large, the heat loss is caused by heat exchange with external air, the heat loss is large, the hot blast stove is frequently used, the service life inside the hot blast stove is easily shortened, and after the internal combustion is finished and gas after mixing is discharged, harmful gas is contained inside the gas, so that the energy is not saved, the environment is protected, and the air pollution is caused, so that the high-voltage electric direct-heating hot blast stove is required.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high-tension electricity directly-heated type hot-blast furnace has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: high-voltage electricity directly-heated type hot-blast furnace, including urceolus and inner tube, the interior diapire fixedly connected with backup pad of urceolus, the upper surface and the inner tube fixed connection of backup pad, one side fixedly connected with fixed plate of urceolus, the last fixed surface of fixed plate installs the combustor, the fixed pipe of output fixedly connected with of combustor, fixed pipe is located the inner wall of inner tube, one side fixedly connected with flow distribution plate of inner tube, the gas outlet has been seted up to one side of inner tube, the inner wall of urceolus is provided with the mixing chamber, the inner wall fixedly connected with rose box of urceolus, the inner wall fixedly connected with filter screen of rose box, one side of filter screen is provided with the filter, one side of filter is provided with the active carbon board.

Optionally, the inner wall of the mixing chamber is fixedly connected with a frame, the inner wall of the frame is fixedly connected with a heat insulation plate, the inner wall of the heat insulation plate is fixedly provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, and two sides of the rotating shaft are fixedly connected with mixing fans.

Optionally, the upper surface fixedly connected with air-blower of urceolus, the output fixedly connected with connecting pipe of air-blower, the lower fixed surface of connecting pipe is connected with out the tuber pipe, the outer fixed surface that goes out the tuber pipe is connected with solid fixed ring.

Optionally, the upper surface of urceolus is provided with hot-blast import, the lower fixed surface of urceolus is connected with the oxygen hose, the inner wall fixedly connected with heated board of urceolus.

Optionally, the lower surface of the outer barrel is fixedly connected with a base, and one side of the outer barrel is fixedly connected with an air outlet.

Optionally, one side of the filter box is provided with an air inlet, and the other side of the filter box is fixedly connected with the air outlet.

(III) advantageous effects

The utility model provides a high-tension electricity directly-heated type hot-blast furnace possesses following beneficial effect:

1. the high-voltage electric direct-heating hot blast stove has the advantages that the double-layer sleeve of the hot blast stove has high efficiency through the arrangement of the inner cylinder, and through the matching arrangement of the inner cylinder and the air blower, in the using process, a double-layer sleeve structure is adopted, high-temperature flame is fully combusted in the combustion chamber, then a worker starts the combustor to combust the inner cylinder, the gas after the combustion is divided by the flow dividing plate is convenient for gradually mixing the gas, then the cold air sent by the blower is turned on to perform the function of cooling the inner cylinder wall while exchanging heat, mixing with the gas to be burned and cold air in a mixing chamber, driving a mixing fan by a motor to fully mix the cold air and heat evenly, thereby having played the effect that availability factor is high, having reached and avoided preventing that the loss is great, moreover the hot-blast furnace often uses, and lead to the purpose that the inside life of hot-blast furnace reduces.

2. This high-tension electricity directly-heated type hot-blast furnace, setting through the rose box, make this hot-blast furnace possess filterable effect, cooperation setting through the rose box, in-process using can be after mixing the gas mixture through mixing the fan, enter into in the rose box, impurity that contains the mist through the filter screen filters, then filter less impurity through the filter, adsorb gaseous harmful substance that includes through the activated carbon board at last, discharge through the gas outlet at last, thereby the filterable effect has been played, reached and avoided after the gas outgoing after mixing, gaseous inside contains harmful gas, energy-concerving and environment-protective not, and lead to causing air pollution's purpose.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic structural view of a front view section of the present invention;

FIG. 3 is a schematic structural view of the inside cross section of the filtering box of the present invention;

fig. 4 is a schematic structural diagram of the frame of the present invention.

In the figure: 1. an outer cylinder; 2. an inner barrel; 3. a support plate; 4. a fixing plate; 5. a burner; 6. a fixed tube; 7. a flow distribution plate; 8. an air outlet; 9. a mixing chamber; 10. a filter box; 11. a filter screen; 12. a filter plate; 13. an activated carbon plate; 14. a frame; 15. a heat insulation plate; 16. a motor; 17. a mixing fan; 18. a blower; 19. a connecting pipe; 20. an air outlet pipe; 21. a fixing ring; 22. a hot air inlet; 23. an oxygen tube; 24. a thermal insulation board; 25. a base; 26. an air outlet; 27. an air inlet.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the high-voltage direct-heating hot blast stove comprises an outer barrel 1 and an inner barrel 2, wherein the upper surface of the outer barrel 1 is fixedly connected with an air blower 18, the output end of the air blower 18 is fixedly connected with a connecting pipe 19, the lower surface of the connecting pipe 19 is fixedly connected with an air outlet pipe 20, the outer surface of the air outlet pipe 20 is fixedly connected with a fixing ring 21, the upper surface of the outer barrel 1 is provided with a hot air inlet 22, the lower surface of the outer barrel 1 is fixedly connected with an oxygen pipe 23, oxygen can be added in the reburning process through the arrangement of the oxygen pipe 23, the problem of insufficient fuel burning of the existing hot blast stove is solved, the inner wall of the outer barrel 1 is fixedly connected with a heat insulation board 24, the lower surface of the outer barrel 1 is fixedly connected with a base 25, one side of the outer barrel 1 is fixedly connected with an air outlet 26, one side of a filter box 10 is provided with an air inlet 27, the other side of the filter box 10 is fixedly connected with the air outlet 26, and the inner bottom wall of the outer barrel 1 is fixedly connected with a supporting plate 3, the upper surface of the supporting plate 3 is fixedly connected with the inner cylinder 2, one side of the outer cylinder 1 is fixedly connected with a fixing plate 4, the upper surface of the fixing plate 4 is fixedly provided with a burner 5, the output end of the burner 5 is fixedly connected with a fixing pipe 6, the fixing pipe 6 is positioned on the inner wall of the inner cylinder 2, one side of the inner cylinder 2 is fixedly connected with a flow distribution plate 7, one side of the inner cylinder 2 is provided with an air outlet 8, the inner wall of the outer cylinder 1 is provided with a mixing chamber 9, through the arrangement of the mixing chamber 9, a worker starts the burner 5 to burn the inside of the inner cylinder 2, the gas after the flow distribution and burning is convenient to gradually mix the gas through the flow distribution plate 7, then cold air sent by an air blower 18 is opened to play a role of cooling the wall of the inner cylinder 2 while the heat exchange is carried out, then the gas after the burning and the cold air are mixed in the mixing chamber 9, and the mixing fan 17 is driven by a motor 16 to fully and uniformly mix the cold air and heat, thereby having played the effect that the availability factor is high, the inner wall fixedly connected with frame 14 of mixing chamber 9, the inner wall fixedly connected with heat insulating board 15 of frame 14, the inner wall fixed mounting of heat insulating board 15 has motor 16, the output fixedly connected with pivot of motor 16, both sides fixedly connected with mixes the fan 17 of pivot, the inner wall fixedly connected with rose box 10 of urceolus 1, through the setting of rose box 10, after mixing the fan 17 with the gas, enter the rose box 10, filter the impurity that the mixed gas contains through filter screen 11, then filter less impurity through filter 12, adsorb the harmful substance that contains in the gas through activated carbon plate 13 at last, discharge through gas outlet 8 at last, thereby having played the effect of filtration, the inner wall fixedly connected with filter screen 11 of rose box 10, one side of filter screen 11 is provided with filter 12, one side of the filter plate 12 is provided with an activated carbon plate 13.

When in use, the hot blast stove adopts a double-layer sleeve structure high-temperature flame to fully combust in the inner cylinder 2, then a worker starts the burner 5 to combust the inside of the inner cylinder 2, the gas after the shunting combustion is performed through the flow distribution plate 7 is convenient to gradually mix the gas, then cold air emitted by the air blower 18 is turned on to play a role in cooling the wall of the inner cylinder 2 while performing heat exchange, then the gas after the dyeing combustion is mixed with the cold air in the mixing chamber 9, the motor 16 drives the mixing fan 17 to fully and uniformly mix the cold air with heat, thereby playing a role in high use efficiency, and through the arrangement of the oxygen pipe 23, oxygen can be added in the reburning process, the purpose of insufficient fuel combustion of the existing hot blast stove is solved, finally, the gas is mixed through the mixing fan 17 and then enters the filter box 10, impurities contained in the mixed gas are filtered through the filter screen 11, then, smaller impurities are filtered through the filter plate 12, and finally, harmful substances contained in the gas are adsorbed through the activated carbon plate 13 and are discharged through the gas outlet 8, so that the filtering effect is achieved.

The utility model discloses a theory of operation and beneficial effect: the high-voltage electric direct-heating hot blast stove has the advantages that the double-layer sleeve of the hot blast stove has high efficiency due to the arrangement of the inner barrel 2, the hot blast stove is arranged in a matching way through the inner barrel 2 and the air blower 18, high-temperature flame can be fully combusted in the inner barrel 2 when the hot blast stove is used, then a worker starts the combustor 5 to combust the inside of the inner barrel 2, the gas after the flow distribution combustion is carried out through the flow distribution plate 7 so as to gradually mix the gas, cold air emitted by the air blower 18 is opened to cool the wall of the inner barrel 2 during heat exchange, then the dyed gas and the cold air are mixed in the mixing chamber 9, the mixing fan 17 is driven by the motor 16 so as to fully and uniformly mix the cold air and heat, thereby the effect of high use efficiency is achieved, the purpose of avoiding large loss and frequent use of the hot blast stove and leading to the reduction of the service life of the inside the hot blast stove is achieved, through the setting of rose box 10, make this hot-blast furnace possess filterable effect, cooperation through rose box 10 sets up, after can mixing gas mixture through mixing fan 17 in the in-process of using, enter into the rose box 10, filter the impurity that the mist contains through filter screen 11, then filter less impurity through filter 12, adsorb the harmful substance that the gas contains through activated carbon plate 13 at last, discharge through gas outlet 8 at last, thereby the filterable effect has been played, reached and avoided after the gas discharge after mixing, gaseous inside contains harmful gas, it is not energy-concerving and environment-protective, and lead to causing air pollution's purpose.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High-voltage direct-heating hot-blast furnace, including urceolus (1) and inner tube (2), its characterized in that: the inner bottom wall of the outer barrel (1) is fixedly connected with a supporting plate (3), the upper surface of the supporting plate (3) is fixedly connected with the inner barrel (2), one side of the outer barrel (1) is fixedly connected with a fixing plate (4), the upper surface of the fixing plate (4) is fixedly provided with a burner (5), the output end of the burner (5) is fixedly connected with a fixing pipe (6), the fixing pipe (6) is positioned on the inner wall of the inner barrel (2), one side of the inner barrel (2) is fixedly connected with a splitter plate (7), one side of the inner barrel (2) is provided with an air outlet (8), the inner wall of the outer barrel (1) is provided with a mixing chamber (9), the inner wall of the outer barrel (1) is fixedly connected with a filter box (10), the inner wall of the filter box (10) is fixedly connected with a filter screen (11), one side of the filter screen (11) is provided with a filter plate (12), and an activated carbon plate (13) is arranged on one side of the filter plate (12).

2. The high-voltage electric direct-heating hot blast stove according to claim 1, characterized in that: the inner wall fixedly connected with frame (14) of mixing chamber (9), the inner wall fixedly connected with heat insulating board (15) of frame (14), the inner wall fixed mounting of heat insulating board (15) has motor (16), the output fixedly connected with pivot of motor (16), the both sides fixedly connected with of pivot mixes fan (17).

3. The high-voltage electric direct-heating hot blast stove according to claim 1, characterized in that: the last fixed surface of urceolus (1) is connected with air-blower (18), the output fixedly connected with connecting pipe (19) of air-blower (18), the lower fixed surface of connecting pipe (19) is connected with out tuber pipe (20), the outer fixed surface who goes out tuber pipe (20) is connected with solid fixed ring (21).

4. The high-voltage electric direct-heating hot blast stove according to claim 1, characterized in that: the upper surface of urceolus (1) is provided with hot-blast import (22), the lower fixed surface of urceolus (1) is connected with oxygen hose (23), the inner wall fixed connection of urceolus (1) has heated board (24).

5. The high-voltage electric direct-heating hot-blast stove according to claim 1, characterized in that: the lower surface of urceolus (1) is fixed and is connected with base (25), one side fixed connection of urceolus (1) has air outlet (26).

6. The high-voltage electric direct-heating hot blast stove according to claim 1, characterized in that: an air inlet (27) is formed in one side of the filter box (10), and the other side of the filter box (10) is fixedly connected with the air outlet (26).