CN216282047U - Hot-blast stove - Google Patents
Hot-blast stove Download PDFInfo
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- CN216282047U CN216282047U CN202122785911.8U CN202122785911U CN216282047U CN 216282047 U CN216282047 U CN 216282047U CN 202122785911 U CN202122785911 U CN 202122785911U CN 216282047 U CN216282047 U CN 216282047U
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 35
- 239000003245 coal Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 12
- 239000011819 refractory material Substances 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 abstract description 18
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The application provides a hot blast stove which comprises a stove body, a heat collecting chamber and a heat collecting pipe, wherein the stove body is communicated with a hearth and is internally provided with the heat collecting chamber, the heat collecting chamber is close to the upper part of a fire outlet, and an air outlet is formed in the outer wall of the stove body; the air outlet end of the fan is communicated with the heat collection chamber through the first heat absorption pipe, the heat collection chamber is communicated with the air outlet through the second heat absorption pipe, when the air heating furnace is used, flame generated by fuel combustion in the furnace chamber heats the heat collection chamber, the heat collection chamber fully absorbs heat of the fire outlet, meanwhile, smoke generated by fuel combustion in the furnace chamber has a certain temperature, the smoke temperature can improve the temperature of the first heat absorption pipe and the second heat absorption pipe, the fan is started, and the fan exhausts air with a certain temperature to the outside of the furnace body through a passage formed by the first heat absorption pipe, the heat collection chamber and the second heat absorption pipe, so that the air heating furnace can be used for supplying heat; this application comes out the effectual transmission of the heat of fire coal in the furnace, make full use of the heat that the fuel burning produced, be favorable to improving the heat utilization ratio of hot-blast furnace.
Description
Technical Field
The application relates to the technical field of coal-fired thermal equipment, in particular to a hot blast stove.
Background
The coal-fired hot-blast furnace is a coal-fired furnace capable of providing hot air, the fuel of the coal-fired hot-blast furnace product specially used in the industries of greenhouses, breeding and the like mostly adopts scattered coal, and the existing hot-blast furnace cannot effectively transmit the heat of the coal in a hearth, so that the heat utilization rate is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a hot blast stove.
The technical scheme of the implementation of the utility model is as follows: a hearth having a fire outlet;
the furnace body is communicated with the hearth, a heat collecting chamber is arranged in the furnace body, the heat collecting chamber is close to the upper part of the fire outlet, and an air outlet is formed in the outer wall of the furnace body;
and the air outlet end of the fan is communicated with the heat collection chamber through a first heat absorption pipe, and the heat collection chamber is communicated with the air outlet through a second heat absorption pipe.
Furthermore, the outer wall of the furnace body is hollow and is respectively provided with a first cavity and a second cavity which are not communicated with each other, the fan is communicated with the first cavity, and the air outlet is communicated with the second cavity.
And the second heat absorption pipe is communicated with the first cavity and the second cavity respectively.
Furthermore, the connection of the first cavity at one end of the first heat absorption pipe forms an included angle of 45 degrees.
Furthermore, a water tank is arranged on the outer wall of the furnace body close to the second cavity, and a water filling port and a water outlet are arranged on the water tank.
Furthermore, a chimney is arranged at the top end of the furnace body, and the water tank is sleeved with the outer wall of the chimney.
Furthermore, an ash outlet and a coal filling opening are respectively formed in two sides of the hearth, and a ventilation opening for ash removal and ignition is formed in the bottom end of the hearth.
Furthermore, a fireproof material layer is arranged on the inner wall of the hearth, a ventilation pipe is arranged in the fireproof material layer, and two ends of the ventilation pipe are respectively communicated with the ventilation opening and the fire outlet of the hearth.
Compared with the prior art, the beneficial effect of this application: according to the air heater, the heat collection chamber is arranged in the furnace body, the heat collection chamber is arranged above the fire outlet of the hearth, the fan is arranged, the air outlet end of the fan is communicated with the heat collection chamber through the first heat absorption pipe, the heat collection chamber is communicated with the air outlet through the second heat absorption pipe, when the air heater is used, flame generated by combustion of fuel in the hearth heats the heat collection chamber, the heat collection chamber fully absorbs heat of the fire outlet, meanwhile, smoke generated by combustion of the fuel in the hearth has a certain temperature, the smoke temperature can increase the temperature of the first heat absorption pipe and the temperature of the second heat absorption pipe, the fan is started, and the fan exhausts air with the certain temperature to the outside of the furnace body through a passage formed by the first heat absorption pipe, the heat collection chamber and the second heat absorption pipe, so that the air heater can be used for supplying heat; this application comes out the effectual transmission of the heat of fire coal in the furnace, make full use of the heat that the fuel burning produced, be favorable to improving the heat utilization ratio of hot-blast furnace.
Drawings
Fig. 1 is a schematic structural diagram of a hot blast stove provided in an embodiment of the present application.
The text labels in the figures are represented as:
10. a furnace body; 11. a first cavity; 12. a second cavity; 13. a chimney; 14. an air outlet; 20. A hearth; 21. an ash outlet; 22. filling a coal port; 30. a water tank; 40. a heat collection chamber; 50. a fan; 60. A first heat absorption pipe; 70. a second heat absorption pipe; 80. a third heat absorption pipe; 90. and a vent.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Referring to fig. 1, the present embodiment provides a hot blast stove, which includes a hearth 20 having a fire outlet;
the furnace body 10 is communicated with the hearth 20, a heat collecting chamber 40 is arranged in the furnace body, the heat collecting chamber 40 is close to the upper part of the fire outlet, the heat collecting chamber 40 is directly burned through the combustion flame of the fuel pack in the hearth 20 through the fire outlet, and the outer wall of the furnace body 10 is provided with an air outlet 14;
the heat collection chamber 4 is a hollow box structure, which fully absorbs the high temperature of the fire outlet and improves the thermal efficiency, and four corners outside the heat collection chamber 4 are fixedly arranged on the inner wall close to the bottom end of the furnace body 10 through the first heat absorption pipes 60;
and the air outlet end of the fan 50 is communicated with the heat collection chamber 40 through the first heat absorption pipe 60, and the heat collection chamber 40 is communicated with the air outlet 14 through the second heat absorption pipe 70. The fan 50 is started, the heat in the heat collecting chamber 40 is discharged to the air outlet 14 through the second heat absorbing pipe 70 by the fan 50, and then is taken out of the furnace body 10 through the air outlet 14, so as to achieve the effect of heat supply.
Two fans 50 are provided on the outer wall of the furnace body 10.
In a preferred embodiment, the outer wall of the furnace body 10 is hollow and forms a first cavity 11 and a second cavity 12 which are not communicated with each other, respectively, the fan 50 is communicated with the first cavity 11, the air outlet 14 is communicated with the second cavity 12, and the two fans 50 are communicated with the first cavity 11, respectively.
It should be noted that the air flow discharged from the fan 50 exists in the first cavity 11, the first cavity 11 is communicated with the first heat absorption pipe 60, and the air flow generated by the fan 50 is discharged to the heat collection chamber 40 through the first heat absorption pipe 60.
In a preferred embodiment, a third heat absorption pipe 80 is included, and the third heat absorption pipe 80 is disposed in the furnace body 10, and both ends of the third heat absorption pipe are respectively communicated with the first cavity 11 and the second cavity 12. The third heat absorption pipe 80 mainly absorbs heat in the furnace body 10, and the heat in the third heat absorption pipe 80 is exhausted to the second cavity 12 through the air flow pressure in the first cavity 11.
It should be noted that, the number of the third heat absorbing pipes 80 is not less than 4, and the angle of the two ends of the third heat absorbing pipes connecting with the first cavity 11 and the second cavity 12 is to maximize the length of the pipeline, so as to increase the heat absorbing surface of the pipeline.
The total number of the first heat absorbing pipe 60, the second heat absorbing pipe 70 and the third heat absorbing pipe 80 is not less than 12, so that the heat absorbing effect is improved.
In a preferred embodiment, the connection of the first cavity 11 at one end of the first heat absorption pipe 60 is at an angle of 45 degrees, so that the air flow in the first cavity 11 is more uniformly discharged into the heat collection chamber 40 through the first heat absorption pipe 60, and the number of the first heat absorption pipes 60 is four, and the four first heat absorption pipes are respectively arranged at four corners of the periphery of the heat collection chamber 40.
In a preferred embodiment, a water tank 30 is arranged on the outer wall of the furnace body 10 close to the second cavity 12, a water filling port and a water outlet are arranged on the water tank 30, the water tank 30 is heated by using the residual heat of the second cavity 12 and the chimney 13 to generate steam, the steam humidifies the air through the water outlet, the water tank 30 adds water through the water filling port, and meanwhile, a water tap can be additionally arranged on the water tank 30 for taking hot water.
In a preferred embodiment, a chimney 13 is arranged at the top end of the furnace body 10, the water tank 30 is sleeved with the outer wall of the chimney 13, and smoke generated by combustion of the fuel package in the hearth 20 is exhausted through the chimney 13.
In a preferred embodiment, the cross-sectional shape of the furnace 20 is rectangular, and the size of the furnace is consistent with the size of square honeycomb fuel 3 x 2 x 3 (single block 100 x 90 mm), the two sides of the furnace 20 are respectively provided with an ash outlet 21 and a coal filling port 22, the bottom end of the furnace 20 is provided with a vent 90 for ash removal and ignition, the ash outlet 21 is convenient for cleaning waste materials after combustion in the furnace 20, environmental pollution caused by improper waste material recycling is prevented, and the inside of the furnace 20 is filled with fuel through the coal filling port 22.
The fuel package is packaged in a size of 300 x 200 x 270 mm, 16 square honeycomb briquettes and 4 ignition carbons are contained in the fuel package, the square honeycomb briquettes are guaranteed to be prolonged in fuel combustion time, the ignition carbons can accelerate ignition of the square honeycomb briquettes, and complexity in an ignition stage is effectively overcome.
In a preferred embodiment, the inner wall of the furnace 20 is provided with a refractory material layer, a ventilation pipe is arranged in the refractory material layer, two ends of the ventilation pipe are respectively communicated with the ventilation opening 90 and the fire outlet of the furnace 20, and the ventilation pipe is mainly used for assisting the ignition of the fuel package in the furnace 20. The outer layer of the refractory material layer is added with the heat insulation material, so that the heat loss can be effectively reduced, and the heat insulation, combustion supporting and firepower improving effects are achieved.
The application embodiment provides a use method of a hot blast stove, which comprises the following steps: the fuel package is placed at the center of the hearth 20 through the coal filling port 22, the ignition charcoal is ignited at the vent 90, then other fuels are ignited at high temperature through the ignition charcoal, after the fuels are normally combusted, the flame at the fire outlet directly burns the heat collecting chamber 40, at the moment, the smoke temperature in the furnace body 10 sequentially heats the first heat absorbing pipe 60, the second heat absorbing pipe 70 and the third heat absorbing pipe 80, the fan 50 is started, the heat in the heat absorbing pipes and the heat collecting chamber 40 is taken out of the furnace body 10 through the fan 50, and the combusted waste materials are cleaned through the ash outlet 21 and the vent 90.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (8)
1. A hot blast stove, comprising:
a hearth (20) having a fire outlet;
the furnace body (10) is communicated with the hearth (20), a heat collecting chamber (40) is arranged in the furnace body, the heat collecting chamber (40) is close to the upper part of the fire outlet, and an air outlet (14) is formed in the outer wall of the furnace body (10);
and the air outlet end of the fan (50) is communicated with the heat collection chamber (40) through a first heat absorption pipe (60), and the heat collection chamber (40) is communicated with the air outlet (14) through a second heat absorption pipe (70).
2. The hot blast stove according to claim 1, wherein the outer wall of the stove body (10) is hollow and forms a first cavity (11) and a second cavity (12) which are not communicated with each other, the fan (50) is communicated with the first cavity (11), and the air outlet (14) is communicated with the second cavity (12).
3. The stove according to claim 2, characterized by comprising a third absorber pipe (80), the two ends of the third absorber pipe (80) being in communication with the first cavity (11) and the second cavity (12), respectively.
4. The stove according to claim 2, wherein the first heat absorbing pipe (60) is connected to the first cavity (11) at one end thereof at an angle of 45 degrees.
5. The hot blast stove according to claim 2, wherein a water tank (30) is provided on the outer wall of the stove body adjacent to the second cavity (12), and a water filling opening and a water outlet opening are provided on the water tank (30).
6. The hot blast stove according to claim 5, wherein a chimney (13) is arranged at the top end of the stove body (10), and the water tank (30) is sleeved with the outer wall of the chimney (13).
7. The hot blast stove according to claim 1, wherein an ash outlet (21) and a coal filling port (22) are respectively formed at two sides of the hearth (20), and a ventilation opening (90) for ash removal and ignition is formed at the bottom end of the hearth (20).
8. The hot blast stove according to claim 7, wherein the inner wall of the hearth (20) is provided with a refractory material layer, a ventilation pipe is arranged in the refractory material layer, and two ends of the ventilation pipe are respectively communicated with the ventilation opening (90) and the fire outlet of the hearth (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785911.8U CN216282047U (en) | 2021-11-15 | 2021-11-15 | Hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785911.8U CN216282047U (en) | 2021-11-15 | 2021-11-15 | Hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216282047U true CN216282047U (en) | 2022-04-12 |
Family
ID=81010159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122785911.8U Active CN216282047U (en) | 2021-11-15 | 2021-11-15 | Hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216282047U (en) |
-
2021
- 2021-11-15 CN CN202122785911.8U patent/CN216282047U/en active Active
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