CN203419945U - Hot-blast stove provided with high-temperature flues and low-temperature flues - Google Patents
Hot-blast stove provided with high-temperature flues and low-temperature flues Download PDFInfo
- Publication number
- CN203419945U CN203419945U CN201320464818.XU CN201320464818U CN203419945U CN 203419945 U CN203419945 U CN 203419945U CN 201320464818 U CN201320464818 U CN 201320464818U CN 203419945 U CN203419945 U CN 203419945U
- Authority
- CN
- China
- Prior art keywords
- temperature flue
- low
- circuit
- air
- low temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 206010022000 influenza Diseases 0.000 title abstract 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000003034 coal gas Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract 2
- 208000011580 syndromic disease Diseases 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Images
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to a hot-blast stove provided with high-temperature flues and low-temperature flues. A low-temperature flue loop is arranged at the bottom of a stove body, and is communicated with a regenerative chamber through the low-temperature flues; a low-temperature flue outlet is formed in the outer side of the low-temperature flue loop, and is connected with a first heat exchanger through a low-temperature flue pipeline; the first heat exchanger is communicated with a gas port through a pipeline; the gas port is communicated with a gas loop; a second heat exchanger is communicated with an air port; the air port is communicated with an air loop; when the hot-blast stove is used for heating and combusting, because of being arranged at the middle low part of the regenerative chamber, a high-temperature flue loop effectively enables hot flue gas to flow downwards to enhance the heating effect on a heat accumulator; in addition, high-temperature flue gas evacuated from a high-temperature flue outlet and low-temperature flue gas evacuated from a low-temperature flue outlet can heat combustion air to increase the air temperature; meanwhile, the hot-blast stove is undoubtedly an novel one which is small in investment, high in efficiency, energy-saving and environment-friendly, long in service life, simple in pipeline system, and stable in structure, does not occupy lands additionally, and is remarkable in economic and social benefits.
Description
Technical field
The utility model relates to a kind of hotblast stove, particularly a kind of hotblast stove that is provided with high temperature and low temperature flue.
Background technology
Hotblast stove as thermal power machinery starts widespread use in late 1970s in China, and it has become the regeneration product of electric heat source and traditional steam power thermal source in many industries.At present, blast funnace hot blast stove has entered the top combustion stove epoch, from energy-saving and cost-reducing, consider to require blast furnace blast to high wind-warm syndrome future development, especially under lower heat of combustion blast furnace gas, obtain high hot blast temperature, but also to reach high thermo-efficiency, the object of, energy-saving and environmental protection efficient finally to realize, volume increase.Hotblast stove will be realized efficient and high wind-warm syndrome, key is that can its combustion processes and heat transfer process reach high-intensity combustion and high duty heat transfer and to blast furnace, carry high wind-warm syndrome for a long time, when hotblast stove, using the combustion unit of performance optimization and heat accumulation-heat transfer device as after realizing the basis of high wind-warm syndrome, the temperature and the length of air-supply time that how to improve coal gas and combustion air just become the underlying condition that continues to realize higher wind-warm syndrome.Use such as the employing of heat tube preheater, the employing of flue gas reheater and preheating of air stove.These device preheating gas and air all will be paid higher cost, comprise the increase of initial cost and the increase of operation and maintenance cost.If adopt all the people present's hot blast stove system, take 2 burnings 1 to send the operator scheme of 1 preheating, it increases the investment cost of hotblast stove and piping system, in sum, imperative with innovation to the improvement of existing blast funnace hot blast stove.
Therefore, produce a kind of simple in structure, easy to operate, reduced investment, working efficiency is high, does not additionally take up an area, piping system is simple, Stability Analysis of Structures, the hotblast stove that is provided with high temperature and low temperature flue that the air-supply time is long, has wide market outlook.
Summary of the invention
For the deficiencies in the prior art, the utility model provide a kind of simple in structure, easy to operate, reduced investment, working efficiency high, additionally do not take up an area, piping system is simple, Stability Analysis of Structures, the long hotblast stove that is provided with high temperature and low temperature flue of air-supply time.
The technical solution of the utility model is like this: a kind of hotblast stove that is provided with high temperature and low temperature flue, comprise furnace body, body of heater big-wall, be arranged on the vault at furnace body top, be arranged on the regenerator of furnace body inside, be arranged on the combustion chamber on furnace body top, be arranged on the burner of bottom, combustion chamber, be arranged on coal gas circuit and air circuit that burner inner side is connected with combustion chamber, be arranged on the high-temperature flue circuit with high-temperature flue of furnace body middle and lower part, the high-temperature flue outlet being connected with high-temperature flue, the First Heat Exchanger being connected with high-temperature flue outlet by pipeline, the second interchanger being connected with First Heat Exchanger, the chimney being connected with the second interchanger, described furnace body bottom is provided with low temperature flue circuit, low temperature flue circuit is connected with regenerator by low temperature flue, in low temperature flue circuit arranged outside, there is low temperature flue outlet, low temperature flue outlet is connected with First Heat Exchanger by low-temperature flue gas pipeline, First Heat Exchanger is connected with gas port by pipeline, gas port is connected with coal gas circuit, the second interchanger is connected with air scoop, air scoop is connected with air circuit.
On described coal gas circuit, be connected with gasburner, gasburner is connected with combustion chamber, on described air circuit, is connected with air nozzle, and air nozzle is connected with combustion chamber.
Described low temperature flue circuit is arranged on high-temperature flue circuit below, and the bottom of low temperature flue circuit is connected with furnace body bottom.
The utlity model has following positively effect: the utility model is simple in structure, easy to operate, comprise furnace body, body of heater big-wall, be arranged on the vault at furnace body top, be arranged on the regenerator of furnace body inside, be arranged on the combustion chamber on furnace body top, be arranged on the burner of bottom, combustion chamber, be arranged on coal gas circuit and air circuit that burner inner side is connected with combustion chamber, be arranged on the high-temperature flue circuit with high-temperature flue of furnace body middle and lower part, the high-temperature flue outlet being connected with high-temperature flue, the First Heat Exchanger being connected with high-temperature flue outlet by pipeline, the second interchanger being connected with First Heat Exchanger, the chimney being connected with the second interchanger, described furnace body bottom is provided with low temperature flue circuit, low temperature flue circuit is connected with regenerator by low temperature flue, in low temperature flue circuit arranged outside, there is low temperature flue outlet, low temperature flue outlet is connected with First Heat Exchanger by low-temperature flue gas pipeline, First Heat Exchanger is connected with gas port by pipeline, gas port is connected with coal gas circuit, the second interchanger is connected with air scoop, air scoop is connected with air circuit, when hotblast stove heating flame, high-temperature flue circuit is owing to being located at the middle and lower part of regenerator, can effectively hot flue gas be moved down, the heating of enhancing to heat storage, the high-temperature flue gas of separately being extracted out by high-temperature flue outlet and the low-temperature flue gas of being extracted out by low temperature flue outlet can heat combustion air, improve wind-warm syndrome, simultaneously, this is undoubtedly a kind of reduced investment, efficiency is high, energy-conserving and environment-protective, long service life, additionally do not take up an area, piping system is simple, the hotblast stove of constitutionally stable novelty, economic and social benefit is remarkable.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of hotblast stove that is provided with high temperature and low temperature flue, comprise furnace body 1, body of heater big-wall 2, be arranged on the vault 7 at furnace body 1 top, be arranged on the regenerator 3 of furnace body 1 inside, be arranged on the combustion chamber 8 on furnace body 1 top, be arranged on the burner 4 of 8 bottoms, combustion chamber, be arranged on coal gas circuit 5 and air circuit 6 that burner 4 inner sides are connected with combustion chamber 8, be arranged on the high-temperature flue circuit 10 with high-temperature flue 11 of furnace body 1 middle and lower part, the high-temperature flue outlet 9 being connected with high-temperature flue 11, by pipeline and high-temperature flue outlet 9 First Heat Exchangers that are connected 12, the second interchanger 23 being connected with First Heat Exchanger 12, the chimney 13 being connected with the second interchanger 23, described furnace body 1 bottom is provided with low temperature flue circuit 17, low temperature flue circuit 17 is connected with regenerator 3 by low temperature flue 21, in low temperature flue circuit 17 arranged outside, there is low temperature flue outlet 16, low temperature flue outlet 16 is connected with First Heat Exchanger 12 by low-temperature flue gas pipeline 24, First Heat Exchanger 12 is connected with gas port 14 by pipeline, gas port 14 is connected with coal gas circuit 5, the second interchanger 23 is connected with air scoop 15, air scoop 15 is connected with air circuit 6.
On described coal gas circuit 5, be connected with gasburner 19, gasburner 19 is connected with combustion chamber 8, on described air circuit 6, is connected with air nozzle 22, and air nozzle 22 is connected with combustion chamber 8.Described low temperature flue circuit 17 is arranged on high-temperature flue circuit 10 belows, and the bottom of low temperature flue circuit 17 is connected with furnace body 1 bottom.
By said structure, can be found out, the utility model can effectively be realized the abundant preheating of hotblast stove combustion air, because temperature after the abundant preheating of combustion air is higher, has effectively improved temperature of combustion.High-temperature flue circuit is owing to being located at the middle and lower part of regenerator, can effectively hot flue gas be moved down, the heating of enhancing to heat storage, the high-temperature flue gas of separately being extracted out by high-temperature flue outlet and the low-temperature flue gas of being extracted out by low temperature flue outlet can heat combustion air, improve wind-warm syndrome.Therefore, its simple structure and system, the intensity of mixed firing, the lifting of the heat exchange effect of air-flow, hot blast temperature are, the reduction of funnel temperature etc. all can obviously be better than the hotblast stove of other types.
The utility model can effectively guarantee hot-blast furnace high efficient, high temperature, average rate, high-heat strength and safety and stablization and move; Then realize fuel saving, save good economic benefit and the social benefit investing, reduce spent air temperture and quantity discharged, reduce environmental pollution.
Claims (3)
1. a hotblast stove that is provided with high temperature and low temperature flue, comprise furnace body (1), body of heater big-wall (2), be arranged on the vault (7) at furnace body (1) top, be arranged on the inner regenerator (3) of furnace body (1), be arranged on the combustion chamber (8) on furnace body (1) top, be arranged on the burner (4) of bottom, combustion chamber (8), be arranged on coal gas circuit (5) and air circuit (6) that burner (4) inner side is connected with combustion chamber (8), be arranged on the high-temperature flue circuit (10) with high-temperature flue (11) of furnace body (1) middle and lower part, the high-temperature flue outlet (9) being connected with high-temperature flue (11), the First Heat Exchanger (12) being connected with high-temperature flue outlet (9) by pipeline, the second interchanger (23) being connected with First Heat Exchanger (12), the chimney (13) being connected with the second interchanger (23), it is characterized in that: described furnace body (1) bottom is provided with low temperature flue circuit (17), low temperature flue circuit (17) is connected with regenerator (3) by low temperature flue (21), in low temperature flue circuit (17) arranged outside, there is low temperature flue outlet (16), low temperature flue outlet (16) is connected with First Heat Exchanger (12) by low-temperature flue gas pipeline (24), First Heat Exchanger (12) is connected with gas port (14) by pipeline, gas port (14) is connected with coal gas circuit (5), the second interchanger (23) is connected with air scoop (15), air scoop (15) is connected with air circuit (6).
2. the hotblast stove that is provided with high temperature and low temperature flue according to claim 1, it is characterized in that: on described coal gas circuit (5), be connected with gasburner (19), gasburner (19) is connected with combustion chamber (8), on described air circuit (6), be connected with air nozzle (22), air nozzle (22) is connected with combustion chamber (8).
3. the hotblast stove that is provided with high temperature and low temperature flue according to claim 1, it is characterized in that: described low temperature flue circuit (17) is arranged on high-temperature flue circuit (10) below, the bottom of low temperature flue circuit (17) is connected with furnace body (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464818.XU CN203419945U (en) | 2013-08-01 | 2013-08-01 | Hot-blast stove provided with high-temperature flues and low-temperature flues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320464818.XU CN203419945U (en) | 2013-08-01 | 2013-08-01 | Hot-blast stove provided with high-temperature flues and low-temperature flues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203419945U true CN203419945U (en) | 2014-02-05 |
Family
ID=50019045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464818.XU Expired - Fee Related CN203419945U (en) | 2013-08-01 | 2013-08-01 | Hot-blast stove provided with high-temperature flues and low-temperature flues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203419945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160066A (en) * | 2019-01-30 | 2019-08-23 | 北京永博洁净科技有限公司 | Flue gas heating system |
-
2013
- 2013-08-01 CN CN201320464818.XU patent/CN203419945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160066A (en) * | 2019-01-30 | 2019-08-23 | 北京永博洁净科技有限公司 | Flue gas heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106766891A (en) | A kind of aluminium melting furnace burning and EGR | |
| CN102618681A (en) | Grate-free double-preheating top combustion type hot blast stove | |
| CN201974061U (en) | Heat recuperation device for combustion gas heating furnace | |
| CN101928796A (en) | High wind temperature energy saving and emission reduction combined preheating method for blast furnace | |
| CN204739901U (en) | Recuperative heater with circulation canal | |
| CN202613972U (en) | Heat accumulation type smelting furnace | |
| CN203642146U (en) | Boiler with regenerative chamber | |
| CN202853122U (en) | Waste heat recycling system of thermal oil furnace | |
| CN203928834U (en) | A kind of heat regenerator | |
| CN201785423U (en) | Gas preheating combined heat-pipe heat exchanger | |
| CN201785422U (en) | High-air-temperature energy-saving emission-reduction combined preheating system of blast furnace | |
| CN203949178U (en) | Heat storage tank and heat-storage type burner | |
| CN202643723U (en) | Grill-free double-preheating top combustion hot-blast stove | |
| CN203928382U (en) | A kind of combustion gas vacuum hot water unit | |
| CN204513978U (en) | Heat-conducting oil furnace flue gas waste heat spray drying system | |
| CN202915555U (en) | High-wind-temperature hot blast stove with high-temperature flue high-temperature flue gas current equalizer | |
| CN203116268U (en) | Energy-saving vertical hot blast stove | |
| CN201715883U (en) | Multifunctional heat exchanger | |
| CN201662222U (en) | Gas-liquid double-phase organic heat carrier boiler | |
| CN201680353U (en) | Industrial steam boiler afterheat utilization system | |
| CN206540302U (en) | A kind of hot-blast stove | |
| CN206398711U (en) | A kind of low-nitrogen discharged burner | |
| CN204986962U (en) | Phase transition waste heat recovery system | |
| CN103697450B (en) | Regenerator boiler | |
| CN202598513U (en) | Novel heat accumulating type burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20190801 |