CN202808849U - Hot-blast stove using blast furnace gas as fuel - Google Patents
Hot-blast stove using blast furnace gas as fuel Download PDFInfo
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- CN202808849U CN202808849U CN 201220466748 CN201220466748U CN202808849U CN 202808849 U CN202808849 U CN 202808849U CN 201220466748 CN201220466748 CN 201220466748 CN 201220466748 U CN201220466748 U CN 201220466748U CN 202808849 U CN202808849 U CN 202808849U
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- blast furnace
- furnace gas
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Abstract
The utility model discloses a hot-blast stove using blast furnace gas as fuel. The hot-blast stove comprises a horizontal stove body, wherein a heat-resistant steel inner container is arranged in the stove body; a secondary air channel is formed between the stove body and the heat-resistant steel inner container; one end of the stove body is connected with a primary combustion air channel and a blast furnace gas channel in parallel; the primary combustion air channel is connected with a primary combustion air primary channel air pipe and a primary combustion air secondary channel air pipe in parallel; an independent valve is arranged on each of the primary combustion air primary channel air pipe and the primary combustion air secondary channel air pipe respectively; the blast furnace gas channel is connected with a blast furnace gas primary channel gas pipe and a blast furnace gas secondary channel gas pipe in parallel; and an independent valve is arranged on each of the blast furnace gas primary channel gas pipe and the blast furnace gas secondary channel gas pipe respectively. According to the utility model, by adopting a primary channel and a secondary channel, the blast furnace gas and the combustion air can be supplied, the mixing effect is better, and the blast furnace gas is completely burnt; and by adopting a detachable heat-resistant steel spray head, the structure is simple, the maintenance is convenient, and the production requirements can be met in time.
Description
Technical field
The utility model relates to a kind of hotblast stove, is specifically related to a kind of hotblast stove of making fuel with blast furnace gas.
Background technology
At present, as everyone knows, in industrial heating hotblast stove of today, usually with blast furnace gas with after air mixes in burner, enter the burner hearth internal combustion, but at Initial Stage after Ignition and low thermophase, blast furnace gas and air capacity be less all, and flow velocity is low, and mixed effect is relatively poor, cause easily blast furnace gas combustion incomplete, and flame become levitated state; Blast furnace gas is the waste gas that is produced by blast-furnace smelting, and low slag and tar compounds are contained in the inside, and coking is at the ejiction opening of burner easily, often cause the mobile smooth or obstruction of burner, do not reach the Thermal Design requirement, the Hand scarf difficulty, but also spend more the expense repair time.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of hotblast stove of making fuel with blast furnace gas, improved efficiency of combustion, and be convenient to clear up the molten effluent on the burner, can be applied to all types of industries field, have science novelty, simple in structure, characteristics that technique is easy to manufacture.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind ofly make the hotblast stove of fuel with blast furnace gas, comprise horizontal body of heater 1, high temperature steel inner bag 4 is arranged in the body of heater 1, between body of heater 1 and the high temperature steel inner bag 4 secondary air channel 2 is arranged, primary air passage 5 and blast furnace gas passage 6 that a termination of body of heater 1 is parallel.
Described body of heater 1 inwall cast refractory insulating layer 3.
Described blast furnace gas passage 6 has a plurality of, equidistantly distributes in the form of a ring, centered by each blast furnace gas passage 6, equidistantly is distributed with in the form of a ring a plurality of primary air passages 5.
Described primary air passage 5 connects parallel primary air one subchannel airduct 7 and primary air two subchannel airducts 8 simultaneously, on primary air one subchannel airduct 7 and the primary air two subchannel airducts 8 independently valve is set all.
Described blast furnace gas passage 6 connects parallel blast furnace gas one subchannel tracheae 9 and blast furnace gas two subchannel tracheaes 10 simultaneously, on blast furnace gas one subchannel tracheae 9 and the blast furnace gas two subchannel tracheaes 10 independently valve is set all.
Described secondary air channel 2 connects simultaneously on parallel 11, two secondary combustion-supporting air of two secondary combustion-supporting air airducts airduct 11 independently valve all is set.
Described body of heater 1 is column type, ball type or cone type.
Described blast furnace gas passage 6 is connected an end that connects body of heater 1 with the primary air passage be burner spout end, burner spout end is fixed with high temperature steel shower nozzle 12 with high temperature steel bolt 13, center-aisle and outer passage are arranged on the high temperature steel shower nozzle 12, center-aisle connects blast furnace gas passage 6, and outer passage connects primary air passage 5.
Compared with prior art, the beneficial effects of the utility model are: adopt a subchannel and secondary channel architecture, can satisfy blast furnace gas and combustion air, mixed effect is better, and blast furnace gas reaches perfect combustion; Adopt removable thermo-resistant steel shower nozzle, simple in structure, easy to maintenance, can in time satisfy production requirement.
Description of drawings
Fig. 1 is furnace binding signal master map of the present utility model.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is nozzle structure diagrammatic elevation view of the present utility model.
Fig. 4 is nozzle structure signal enlarged view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details.
As depicted in figs. 1 and 2, a kind ofly make the hotblast stove of fuel with blast furnace gas, comprise horizontal body of heater 1, body of heater 1 can be column type, ball type or cone type.High temperature steel inner bag 4 is arranged in the body of heater 1, and body of heater 1 inwall cast refractory insulating layer 3 is in addition heat insulation.Between body of heater 1 and the high temperature steel inner bag 4 secondary air channel 2 is arranged, have secondary cold wind to pass into, with cooling high temperature steel inner bag 4.Primary air passage 5 and blast furnace gas passage 6 that one termination of body of heater 1 is parallel, blast furnace gas passage 6 has a plurality of, equidistantly distributes in the form of a ring, centered by each blast furnace gas passage 6, equidistantly is distributed with in the form of a ring again a plurality of primary air passages 5.Primary air passage 5 connects parallel primary air one subchannel airduct 7 and primary air two subchannel airducts 8 simultaneously, on primary air one subchannel airduct 7 and the primary air two subchannel airducts 8 independently valve is set all.Blast furnace gas passage 6 connects parallel blast furnace gas one subchannel tracheae 9 and blast furnace gas two subchannel tracheaes 10 simultaneously, on blast furnace gas one subchannel tracheae 9 and the blast furnace gas two subchannel tracheaes 10 independently valve is set all.Secondary air channel 2 connects simultaneously on parallel 11, two secondary combustion-supporting air of two secondary combustion-supporting air airducts airduct 11 independently valve all is set.
As shown in Figure 3 and Figure 4, be nozzle structure of the present utility model, blast furnace gas passage 6 is connected an end that connects body of heater 1 with the primary air passage be burner spout end, burner spout end is fixed with several high temperature steel shower nozzles 12 with high temperature steel bolt 13, center-aisle and outer passage are arranged on the high temperature steel shower nozzle 12, center-aisle connects blast furnace gas passage 6, and outer passage connects primary air passage 5.Blast furnace gas sprays forward by the through hole in the high temperature steel shower nozzle 12, primary air then sprays forward by the outer passage of high temperature steel shower nozzle 12, blast furnace gas burns while mixing with primary air, one group of burner of burner inner ring is a channel nozzle, and the one group of burner in burner outer ring is the secondary channel nozzle.
This hotblast stove principle of work is: after lighting a fire successfully, when the little fire amount of needs, primary air one subchannel airduct 7 and blast furnace gas one subchannel tracheae 9 are opened simultaneously, and the inner ring shower nozzle takes fire, and satisfies the hotblast stove job requirement under low discharge; When needs big fire amount, primary air two subchannel airducts 8 and blast furnace gas two subchannel tracheaes 10 are opened simultaneously, and the outer ring shower nozzle takes fire, and satisfy the hotblast stove job requirement under large flow; After hotblast stove moved for some time, at this moment low slag and the coking of tar compounds only needed blowing out in sprayer channel, take off old shower nozzle, change new shower nozzle and get final product.
The utility model is divided into a subchannel and two subchannels with blast furnace gas and combustion air, in the little fire amount of needs, adopt subchannel burning, in needs big fire amount, adopt a subchannel and two subchannels to burn simultaneously, make like this blast furnace gas and combustion air mixed effect better, blast furnace gas reaches perfect combustion; The burner spout adopts removable thermo-resistant steel shower nozzle, when low slag and tar compounds in the ejiction opening coking of burner to a certain amount of, cause sprayer channel to flow smooth or stop up, can in time change new shower nozzle, to pull down old shower nozzle and bring back the workshop and place under repair, in time satisfy the purpose of production requirement.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art are not within breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. hotblast stove of making fuel with blast furnace gas, it is characterized in that, comprise horizontal body of heater (1), high temperature steel inner bag (4) is arranged in the body of heater (1), between body of heater (1) and the high temperature steel inner bag (4) secondary air channel (2) is arranged, primary air passage (5) and blast furnace gas passage (6) that a termination of body of heater (1) is parallel.
2. according to claim 1ly make the hotblast stove of fuel with blast furnace gas, it is characterized in that described body of heater (1) inwall cast refractory insulating layer (3).
3. the hotblast stove of making fuel with blast furnace gas according to claim 1, it is characterized in that described blast furnace gas passage (6) has a plurality of, equidistantly distribute in the form of a ring, centered by each blast furnace gas passage (6), equidistantly be distributed with in the form of a ring a plurality of primary air passages (5).
4. according to claim 1 or the 3 described hotblast stoves of making fuel with blast furnace gas, it is characterized in that, described primary air passage (5) connects parallel primary air one subchannel airduct (7) and primary air two subchannel airducts (8) simultaneously, on primary air one subchannel airduct (7) and the primary air two subchannel airducts (8) independently valve is set all.
5. according to claim 1 or the 3 described hotblast stoves of making fuel with blast furnace gas, it is characterized in that, described blast furnace gas passage (6) connects parallel blast furnace gas one subchannel tracheae (9) and blast furnace gas two subchannel tracheaes (10) simultaneously, on blast furnace gas one subchannel tracheae (9) and the blast furnace gas two subchannel tracheaes (10) independently valve is set all.
6. according to claim 1 or the 3 described hotblast stoves of making fuel with blast furnace gas, it is characterized in that, described secondary air channel (2) connects parallel two secondary combustion-supporting air airducts (11) simultaneously, on two secondary combustion-supporting air airducts (11) independently valve is set all.
7. according to claim 1 or 3 describedly make the hotblast stove of fuel with blast furnace gas, it is characterized in that described body of heater (1) is column type, ball type or cone type.
8. according to claim 1 or the 3 described hotblast stoves of making fuel with blast furnace gas, it is characterized in that, described blast furnace gas passage (6) is connected 5 with the primary air passage) end that connects body of heater (1) is burner spout end, burner spout end is fixed with high temperature steel shower nozzle (12) with high temperature steel bolt (13), the high temperature steel shower nozzle has center-aisle and outer passage on (12), center-aisle connects blast furnace gas passage (6), and outer passage connects primary air passage (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466748 CN202808849U (en) | 2012-09-13 | 2012-09-13 | Hot-blast stove using blast furnace gas as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466748 CN202808849U (en) | 2012-09-13 | 2012-09-13 | Hot-blast stove using blast furnace gas as fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808849U true CN202808849U (en) | 2013-03-20 |
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ID=47867765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220466748 Expired - Fee Related CN202808849U (en) | 2012-09-13 | 2012-09-13 | Hot-blast stove using blast furnace gas as fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808849U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353166A (en) * | 2013-07-30 | 2013-10-16 | 中冶南方(武汉)威仕工业炉有限公司 | Porous medium flue gas hot blast stove capable of mixing cold air |
| CN103363660A (en) * | 2013-07-30 | 2013-10-23 | 中冶南方(武汉)威仕工业炉有限公司 | Porous media flue gas hot air furnace for burning inferior fuel |
-
2012
- 2012-09-13 CN CN 201220466748 patent/CN202808849U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353166A (en) * | 2013-07-30 | 2013-10-16 | 中冶南方(武汉)威仕工业炉有限公司 | Porous medium flue gas hot blast stove capable of mixing cold air |
| CN103363660A (en) * | 2013-07-30 | 2013-10-23 | 中冶南方(武汉)威仕工业炉有限公司 | Porous media flue gas hot air furnace for burning inferior fuel |
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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 |
Granted publication date: 20130320 Termination date: 20200913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |