CN203403119U - Top-combustion type hot-blast stove with tapered post compound type arch crown structure - Google Patents
Top-combustion type hot-blast stove with tapered post compound type arch crown structure Download PDFInfo
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- CN203403119U CN203403119U CN201320402411.4U CN201320402411U CN203403119U CN 203403119 U CN203403119 U CN 203403119U CN 201320402411 U CN201320402411 U CN 201320402411U CN 203403119 U CN203403119 U CN 203403119U
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Abstract
The utility model discloses a top-combustion type hot-blast stove with a tapered post compound type arch crown structure and relates to the technical field of heat energy. The top-combustion type hot-blast stove comprises a furnace body and a combustor, wherein the furnace body consists of a manhole, a hot air outlet, a supporting post, a furnace grate, a heat accumulation chamber and a combustion chamber; a post cavity wall and a tapered top wall on the combustor are arranged to be an integer to form a mixing chamber; an air inlet is formed at one side of the post cavity wall of the mixing chamber; an air annular path is arranged on the post cavity wall; an air spray port is formed inside the air annular path; a coal gas inlet is formed at one side of the tapered top wall of the mixing chamber; a coal gas annular path is arranged on the tapered top wall; and a coal gas spray port is formed inside the coal gas annular path. The top-combustion type hot-blast stove with the tapered post compound type arch crown structure disclosed by the utility model is used for accumulating heat for blast-furnace air supply. Moreover, combustion is sufficient, heating efficiency is high and cost is lowered.
Description
Technical field
The compound vault construction top combustion stove of the utility model cone post, relates to Thermal Power Engineering technical field; Be specifically related to bore the compound vault construction top combustion stove of post technical field.
Background technology
Hotblast stove is that the facility of hot blast is provided to iron-smelting blast furnace.Its principle of work is that the burner combustion coal gas by hotblast stove produces high-temperature flue gas, and by heat storage heating accumulation of heat in hotblast stove, then cold-blast enters hotblast stove from hotblast stove bottom, in uphill process, is heated gradually by heat storage, becomes high temperature blast.High temperature blast enters hot-blast main through hot-blast outlet and hot blast manifold, is sent to blast furnace, carries out pig iron smelting process.According to the burner present position of hotblast stove, hotblast stove can be divided into the various structures forms such as Cowper stove, outside combustion stove and top combustion stove.Top combustion hot stove has at home and abroad obtained very soon promoting because of its advantages, the top combustion hot stove of existing following several forms: big hat premix burner nozzle type top combustion hot stove (Shoudu Iron and Steel Co type), small cap sub-sleeve premix many burners type top combustion hot stove (holding die), the sub-settling chamber swirl flow combustion of Russia's Ka Lujin small cap type top combustion hot stove, be exactly the domestic version top burner of imitative Ka Lujin top combustion stove in addition, and occur in recent years Ka Lujin big hat dome burner is made into the various top combustion hot stoves such as suspensive chain type vault top burner.
At present, existing known technology and present situation----deficiency, defect and drawback that above-mentioned top combustion stove exists is: 1., burner and hotblast stove height higher, cause cost of investment higher; 2., hybrid mode and the space of air and coal gas be unreasonable, causes air inhomogeneous with mixing of coal gas; 3., because air is inhomogeneous with mixing of coal gas, cause long the going forward side by side of length of insufficient, the flame of burning into checker brick burning, to cause distortion or the sedimentation of heat storage; 4., due to above-mentioned described in each, cause that temperature distributing disproportionation is even, thermo-efficiency is low.As can be seen here, the existing many deficiencies of the hotblast stove of above-mentioned existing known technology and present situation, defect and drawback, urgently fundamentally improved and solved.
The existing many deficiencies of hotblast stove in view of above-mentioned existing known technology and present situation, defect and drawback, practical experience and the expertise of the design people based on abundant, in conscientiously and fully investigation, understand, analyze, sum up, on the existing known technology of research and present situation basis, take " the compound vault of cone post " gordian technique, positive research and innovation in addition----existing top combustion stove structure improved, succeeded in developing the utility model, to founding a kind of top combustion stove of novel vault construction, solve the deficiency that existing known technology and present situation exist, defect and drawback, it is reached and have more practicality and better result of use, improve the state of the art of top combustion stove.
Utility model content
The utility model is with " the compound vault of cone post " gordian technique, comprise body of heater and burner that manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, one side of its post chamber wall is provided with the inner side that is provided with air circuit and air circuit on gas inlet, post chamber wall and is provided with air jet, and a side of its vertex of a cone wall is provided with the inner side that is provided with coal gas circuit and coal gas circuit on gas entry, vertex of a cone wall and is provided with gas port.
1., the utility model is with " cone post compound vault " gordian technique, and " the compound vault construction top combustion stove of cone post " new device is provided the object reaching by the utility model is:.2., reduce the height of hotblast stove, reduce cost of investment.3., improve hot blast temperature, reduce production costs.4., sufficient combustion, reduce gas consumption, realize energy-saving and emission-reduction.5., improve thermo-efficiency, minimizing calorific loss, reduction power consumption.6., uniformity of temperature profile, extend the hotblast stove heat storage life-span.7., make unique practical, the design science of design of the present utility model rationally, simple and ingenious structure, use is easy to operate, effect is significantly effective and reliable and stable.8., pass through the utility model, deficiency, defect and drawback that the existing known technology of solution and present situation exist.9., make the utility model use easy to operate, be beneficial to wide popularization and application.
For achieving the above object, the technical scheme that the utility model provides is:
The compound vault construction top combustion stove of a kind of cone post, comprise body of heater and burner that manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, one side of its post chamber wall is provided with the inner side that is provided with air circuit and air circuit on gas inlet, post chamber wall and is provided with air jet, and a side of its vertex of a cone wall is provided with the inner side that is provided with coal gas circuit and coal gas circuit on gas entry, vertex of a cone wall and is provided with gas port.
The compound vault construction top combustion stove of described cone post, described gas port is oblique setting and the nozzle that forms three-dimensional eddy flow.
The compound vault construction top combustion stove of described cone post, described gas port is the narrow narrow slit in wide the inner, outer end.
The compound vault construction top combustion stove of described cone post, described gas inlet replaces with gas inlet and air circuit replaces with coal gas loop turn and air jet replaces with gasburner, described gas entry of while replaces with air intlet and coal gas circuit replaces with air loop turn and gas port replaces with air nozzle.
The compound vault construction top combustion stove of described cone post, between the lower end of described mixing section and combustion chamber, section forms aditus laryngis, the top position of described body of heater one side is provided with manhole and opposite side is provided with hot-blast outlet, is disposed with pillar, fire grate, regenerator, combustion chamber in its body of heater from lower end.
The compound vault construction top combustion stove of described cone post, the coal gas circuit on the air circuit on the gas inlet on described post chamber wall, vertex of a cone wall, post chamber wall, the gas entry on vertex of a cone wall, aditus laryngis, post chamber wall and air jet, vertex of a cone wall and gas port, mixing section form burner jointly.
Due to the technical scheme that has adopted the utility model to provide; Because the utility model has adopted " the compound vault of cone post " gordian technique; Because the utility model comprises body of heater and the burner that manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, one side of its post chamber wall is provided with the inner side that is provided with air circuit and air circuit on gas inlet, post chamber wall and is provided with air jet, and a side of its vertex of a cone wall is provided with the inner side that is provided with coal gas circuit and coal gas circuit on gas entry, vertex of a cone wall and is provided with gas port.The utility model is compared with existing known technology and present situation, and the beneficial effect of acquisition is:
1, the utility model has adopted " the compound vault of cone post " gordian technique, thereby " the compound vault construction top combustion stove of cone post " new device is provided.
2, traditional burner air and gas port are all arranged on cylinder shape mixing section, and sealing process is only played on the ball-type on its top top, and burner height is relatively high; And the utility model has adopted lower cylindrical shape and the composite structured burner of upper cone shape, on cylindrical wall, only arrange air jet, gas entry is arranged in conical walls, in the situation that being more conducive to mix, reduced the height of mixing section; Thereby the burner that has replaced existing dome-type and stretched wire line style with the utility model, has reduced the height of burner and hotblast stove, and the usage quantity of having saved steel and refractory materials, has reduced cost of investment.
3, sufficient combustion of the present utility model, has reduced gas consumption, has realized energy-saving and emission-reduction: the utility model has changed position, quantity, shape and the angle of air and gas port; Because the utility model coal gas is by mixing with the segmentation air swirl forming by narrow slit type spout at the vertically disposed tiltedly lower eddy flow that revolves the formation of type spout of cone-shaped body inwall, make full use of the power of coal gas and air, reached clean-burning object, making the remaining CO in flue gas is zero substantially, shortened the length of flame, reduce gas consumption amount, realized energy-saving and emission-reduction.
4, the utility model has improved thermo-efficiency, reduced calorific loss, reduced power consumption: because the utility model mixes fully, coefficient of excess air is little, reduced gas consumption amount, the few and less calories taken away of smoke discharge amount and reduced calorific loss simultaneously; Meanwhile, the feed rate of air, coal gas reduces the kinetic energy consumption that has also reduced blower fan.
5, uniformity of temperature profile of the present utility model, extends the hotblast stove heat storage life-span: the space that the utility model mixes with coal gas by change air and the mode of motion of structure and air and coal gas, solved air and mixed inhomogeneous problem with coal gas; Because the utility model hotblast stove air-flow is evenly distributed, make uniformity of temperature profile, specifically in the uniformity of temperature profile of heat storage upper surface, the problems such as the checker brick distortion of having avoided conventional burners air, coal gas to enter checker brick hole burning causing, sedimentation, obstruction, have extended life-span of hotblast stove heat storage.
6, the utility model has improved hot blast temperature, reduced production cost: because the utility model is compared air with traditional hotblast stove, coal gas mixes, sufficient combustion, coefficient of excess air is little, uniformity of temperature profile, thus theoretical combustion temperature and hot blast temperature improved.
7, unique practical, the design science of design of the present utility model rationally, simple and ingenious structure, use is easy to operate, effect is significantly effective and reliable and stable.
8,, by the utility model, deficiency, defect and drawback that existing known technology and present situation exist have been solved.
9, in sum, the utility model special construction post is bored compound top combustion stove, there is above-mentioned many advantages and practical value, no matter structurally or all have larger improvement in function, have large improvement technically, and produced superior practical function, and there is the extensive utility value of industry, be really a new and innovative, progressive, practical new design.
10, use of the present utility model easy to operate, be beneficial to wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment.In figure, the part of analysing and observe of upper end section represents burner.
Fig. 2 is the amplification cross-sectional schematic of C position in Fig. 1.The figure shows the situation of gas port.
Fig. 3 is the schematic diagram that in Fig. 1, A-A analyses and observe to amplification.The figure shows the situation of whole row's gas port.
Fig. 4 is the schematic diagram that in Fig. 1, B-B analyses and observe to amplification.The figure shows the situation of a whole air-discharging spout.
Label in figure: 1, body of heater, 2, manhole, 3, hot-blast outlet, 4, pillar, 5, fire grate, 6, regenerator, 7, combustion chamber, 8, post chamber wall, 9, vertex of a cone wall, 10, gas inlet, 11, gas entry, 12, aditus laryngis, 13, air circuit, 14, air jet, 15, coal gas circuit, 16, gas port, 17, mixing section.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail.Shown in Figure of description:
The compound vault construction top combustion stove of a kind of cone post, comprise manhole 2, hot-blast outlet 3, pillar 4, fire grate 5, regenerator 6, body of heater 1 and burner that combustion chamber 7 forms, post chamber wall 8 on described burner is set to one with vertex of a cone wall 9 and jointly forms mixing section 17, one side of its post chamber wall 8 is provided with gas inlet 10, on post chamber wall 8, be provided with air circuit 13, and the inner side of air circuit 13 is provided with air jet 14, one side of its vertex of a cone wall 9 is provided with gas entry 11, on vertex of a cone wall 9, be provided with coal gas circuit 15, and the inner side of coal gas circuit 15 is provided with gas port 16.
The compound vault construction top combustion stove of described cone post, described gas port 16 is oblique setting and the nozzle that forms three-dimensional eddy flow.
The compound vault construction top combustion stove of described cone post, described gas port 16 is the narrow narrow slit in wide the inner, outer end.
The compound vault construction top combustion stove of described cone post, described gas inlet 10 replaces with gas inlet and air circuit 13 replaces with coal gas loop turn and air jet 14 replaces with gasburner, described gas entry 11 of while replaces with air intlet and coal gas circuit 15 replaces with air loop turn and gas port 16 replaces with air nozzle.
The compound vault construction top combustion stove of described cone post, between the lower end of described mixing section 17 and combustion chamber 7, section forms aditus laryngis 12, the top position of described body of heater 1 one side is provided with manhole 2 and opposite side is provided with hot-blast outlet 3, in its body of heater 1, is disposed with pillar 4, fire grate 5, regenerator 6, combustion chamber 7 from lower end.
The compound vault construction top combustion stove of described cone post, the coal gas circuit 15 on the air circuit 13 on the gas inlet 10 on described post chamber wall 8, vertex of a cone wall 9, post chamber wall 8, the gas entry 11 on vertex of a cone wall 9, aditus laryngis 12, post chamber wall 8 and air jet 14, vertex of a cone wall 9 and gas port 16, the common formation burner of mixing section 17.
The foregoing is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction; The those of ordinary skill of all industry all can smooth and easyly be implemented, but in the equivalent variations that does not depart from technical solutions of the utility model and make differentiation, is equivalent embodiment of the present utility model, all still belongs to the technical solution of the utility model.
Claims (6)
1. the compound vault construction top combustion stove of cone post, comprise manhole (2), hot-blast outlet (3), pillar (4), fire grate (5), regenerator (6), body of heater (1) and burner that combustion chamber (7) forms, it is characterized in that: the post chamber wall (8) on described burner is set to one with vertex of a cone wall (9) and jointly forms mixing section (17), one side of its post chamber wall (8) is provided with gas inlet (10), on post chamber wall (8), be provided with air circuit (13), and the inner side of air circuit (13) is provided with air jet (14), one side of its vertex of a cone wall (9) is provided with gas entry (11), on vertex of a cone wall (9), be provided with coal gas circuit (15), and the inner side of coal gas circuit (15) is provided with gas port (16).
2. the compound vault construction top combustion stove of cone post according to claim 1, is characterized in that: described gas port (16) is oblique setting and the nozzle that forms three-dimensional eddy flow.
3. the compound vault construction top combustion stove of cone post according to claim 2, is characterized in that: described gas port (16) is the narrow narrow slit in wide the inner, outer end.
4. according to the compound vault construction top combustion stove of cone post described in claim 1 or 2 or 3, it is characterized in that: described gas inlet (10) replaces with gas inlet and air circuit (13) replaces with coal gas loop turn and air jet (14) replaces with gasburner, described gas entry of while (11) replaces with air intlet and coal gas circuit (15) replaces with air loop turn and gas port (16) replaces with air nozzle.
5. according to the compound vault construction top combustion stove of cone post described in claim 1 or 2 or 3, it is characterized in that: between the lower end of described mixing section (17) and combustion chamber (7), section forms aditus laryngis (12), the top position of described body of heater (1) one side is provided with manhole (2) and opposite side is provided with hot-blast outlet (3), is disposed with pillar (4), fire grate (5), regenerator (6), combustion chamber (7) in its body of heater (1) from lower end.
6. according to the compound vault construction top combustion stove of cone post described in claim 1 or 2 or 3, it is characterized in that: the coal gas circuit (15) on the air circuit (13) on the gas inlet (10) on described post chamber wall (8), vertex of a cone wall (9), post chamber wall (8), the gas entry (11) on vertex of a cone wall (9), aditus laryngis (12), post chamber wall (8) and air jet (14), vertex of a cone wall (9) and gas port (16), mixing section (17) form burner jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402411.4U CN203403119U (en) | 2013-07-05 | 2013-07-05 | Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402411.4U CN203403119U (en) | 2013-07-05 | 2013-07-05 | Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
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| Publication Number | Publication Date |
|---|---|
| CN203403119U true CN203403119U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320402411.4U Withdrawn - After Issue CN203403119U (en) | 2013-07-05 | 2013-07-05 | Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
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| Country | Link |
|---|---|
| CN (1) | CN203403119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333978A (en) * | 2013-07-05 | 2013-10-02 | 郑州安耐克实业有限公司 | Top-burning hot-blast stove with cone-column composite vault structure |
| CN106435079A (en) * | 2016-12-07 | 2017-02-22 | 魏晓辉 | Full-time combustion heat exchange furnace |
-
2013
- 2013-07-05 CN CN201320402411.4U patent/CN203403119U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333978A (en) * | 2013-07-05 | 2013-10-02 | 郑州安耐克实业有限公司 | Top-burning hot-blast stove with cone-column composite vault structure |
| CN103333978B (en) * | 2013-07-05 | 2015-06-03 | 郑州安耐克实业有限公司 | Top-burning hot-blast stove with cone-column composite vault structure |
| CN106435079A (en) * | 2016-12-07 | 2017-02-22 | 魏晓辉 | Full-time combustion heat exchange furnace |
| CN106435079B (en) * | 2016-12-07 | 2018-07-27 | 魏晓辉 | A kind of full-time combustion heat-exchange stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |