CN103333978B - Top-burning hot-blast stove with cone-column composite vault structure - Google Patents
Top-burning hot-blast stove with cone-column composite vault structure Download PDFInfo
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- CN103333978B CN103333978B CN201310283577.3A CN201310283577A CN103333978B CN 103333978 B CN103333978 B CN 103333978B CN 201310283577 A CN201310283577 A CN 201310283577A CN 103333978 B CN103333978 B CN 103333978B
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Abstract
The invention discloses a top-burning hot-blast stove with a cone-column composite vault structure, and belongs to the field of heat energy technology. The top-burning hot-blast stove with the cone-column composite vault structure comprises a stove body and a combustor, wherein the stove body is composed of an inlet, a hot wind outlet, supporting columns, a grate, a regenerative chamber, and a combustion chamber; column chamber walls above the combustor and cone top walls are integrated to form a mixing chamber; one side of the column chamber walls is provided with an air inlet, the column chamber walls are provided with an air circuit, and the inner side of the air circuit is provided with air nozzles; and one side of the cone top walls is provided with a gas inlet, the cone top walls are provided with a gas circuit, and the inner side of the gas circuit is provided with gas nozzles. The top-burning hot-blast stove is used for heat accumulation of wind supply to blast furnaces. Combustion is sufficient, thermal efficiency is high, and cost is low.
Description
Technical field
The present invention bores the compound vault construction top combustion stove of post, relates to Thermal Power Engineering technical field; Be specifically related to cone post compound vault construction top combustion stove technical field.
Background technology
Hotblast stove is the facility providing hot blast to iron-smelting blast furnace.Its principle of work produces high-temperature flue gas by the burner combustion coal gas of hotblast stove, and by the heat storage heating also 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 is promoted very soon because its advantages at home and abroad obtains, the top combustion hot stove of existing following several form: 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), Russia Ka Lujin little cap settling chamber swirl flow combustion 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 make Ka Lujin big hat dome burner the various top combustion hot stoves such as into 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 are: 1., burner and hotblast stove height higher, cause cost of investment higher; 2., the hybrid mode of air and coal gas and space unreasonable, cause air uneven with mixing of coal gas; 3., due to air uneven with mixing of coal gas, cause burning length that is insufficient, flame longer and enter checker brick burning and cause distortion or the sedimentation of heat storage; 4., due to described in above-mentioned each bar, cause that temperature distributing disproportionation is even, thermo-efficiency is low.As can be seen here, many deficiencies, defect and drawback existing for the hotblast stove of above-mentioned existing known technology and present situation, urgently fundamentally improved and solved.
In view of above-mentioned existing known technology and present situation hotblast stove existing for many deficiencies, defect and drawback, the design people is based on abundant practical experience and expertise, conscientiously and fully investigating, understand, analyze, sum up, research has on known technology and present situation basis, take " cone post compound vault " gordian technique, actively in addition research and innovation----improve existing top combustion stove structure, succeed in developing the present invention, to founding a kind of top combustion stove of novel vault construction, the deficiency that the existing known technology of solution and present situation exist, defect and drawback, make it reach and have more practicality and better result of use, improve the state of the art of top combustion stove.
Summary of the invention
The present invention is with " cone post compound vault " gordian technique, comprise manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form body of heater and burner, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, the side of its post chamber wall is provided with and gas inlet, post chamber wall is provided with air circuit and the inner side of air circuit is provided with air jet, and the side of its vertex of a cone wall is provided with and gas entry, vertex of a cone wall is provided with coal gas circuit and the inner side of coal gas circuit is provided with gas port.
The object reached by the present invention is: 1., the present invention with " cone post compound vault " gordian technique, " the compound vault construction top combustion stove of cone post " new device is provided.2., reduce the height of hotblast stove, reduce cost of investment.3., improve hot blast temperature, reduce production cost.4., sufficient combustion, reduce gas consumption, realize energy-saving and emission-reduction.5., improve thermo-efficiency, reduce calorific loss, reduce power consumption.6., uniformity of temperature profile, extend the hotblast stove heat storage life-span.7., make that design of the present invention is unique practical, design science rationally, simple and ingenious structure, use is easy to operate, Be very effective is effective and reliable and stable.8., by the present invention, the deficiency of existing known technology and present situation existence, defect and drawback is solved.9., make the present invention use easy to operate, be beneficial to wide popularization and application.
For achieving the above object, technical scheme provided by the invention is:
The compound vault construction top combustion stove of a kind of cone post, comprise manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form body of heater and burner, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, the side of its post chamber wall is provided with and gas inlet, post chamber wall is provided with air circuit and the inner side of air circuit is provided with air jet, and the side of its vertex of a cone wall is provided with and gas entry, vertex of a cone wall is provided with coal gas circuit and the inner side of coal gas circuit is provided with gas port.
The compound vault construction top combustion stove of described cone post, described gas port is oblique setting and forms the nozzle of 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, simultaneously described gas entry 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, side, described body of heater top position 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.
Owing to have employed technical scheme provided by the invention; Owing to present invention employs " cone post compound vault " gordian technique; Due to the present invention includes manhole, hot-blast outlet, pillar, fire grate, regenerator, combustion chamber form body of heater and burner, post chamber wall on described burner and vertex of a cone wall are set to one and jointly form mixing section, the side of its post chamber wall is provided with and gas inlet, post chamber wall is provided with air circuit and the inner side of air circuit is provided with air jet, and the side of its vertex of a cone wall is provided with and gas entry, vertex of a cone wall is provided with coal gas circuit and the inner side of coal gas circuit is provided with gas port.Make the present invention compared with existing known technology and present situation, the beneficial effect of acquisition is:
1, present invention employs " cone post compound vault " gordian technique, thus provide " the compound vault construction top combustion stove of cone post " new device.
2, traditional burner air and gas port are all arranged on cylinder shape mixing section, and sealing process is only played in the ball-type top on its top, and burner height is relatively high; And present invention employs lower cylindrical shape and the composite structured burner of upper cone shape, cylindrical wall is only arranged air jet, gas entry is arranged in conical walls, when being more conducive to the height reducing mixing section when mixing; Thus invention replaces the burner of existing dome-type and stretched wire line style, reduce the height of burner and hotblast stove, save the usage quantity of steel and refractory materials, decrease cost of investment.
3, sufficient combustion of the present invention, decreases gas consumption, achieves energy-saving and emission-reduction: the present invention changes the position of air and gas port, quantity, shape and angle; Because coal gas of the present invention is by mixing with the segmentation air swirl formed by narrow slit type spout at the vertically disposed tiltedly lower eddy flow revolving the formation of type spout of cone-shaped body inwall, make full use of the power of coal gas and air, reach clean-burning object, the remaining CO in flue gas is made to be zero substantially, shorten the length of flame, decrease gas consumption amount, achieve energy-saving and emission-reduction.
4, invention increases thermo-efficiency, decrease calorific loss, reduce power consumption: because the present invention mixes fully, coefficient of excess air is little, decreases gas consumption amount simultaneously, the few and less calories taken away of smoke discharge amount and reduce calorific loss; Meanwhile, the feed rate of air, coal gas reduces the kinetic energy consumption also reducing blower fan.
5, uniformity of temperature profile of the present invention, extends the hotblast stove heat storage life-span: the present invention, by changing the mode of motion in the space that mixes with coal gas of air and structure and air and coal gas, solves air and mixes uneven problem with coal gas; Because hotblast stove air flow method of the present invention is even, make uniformity of temperature profile, specifically in the uniformity of temperature profile of heat storage upper surface, avoid conventional burners air, coal gas enters checker brick hole and to burn the problem such as checker brick distortion, sedimentation, blocking caused, extend the life-span of hotblast stove heat storage.
6, invention increases hot blast temperature, reduce production cost: because the present invention air, coal gas compared with traditional hotblast stove mix, sufficient combustion, coefficient of excess air is little, uniformity of temperature profile, thus improves theoretical combustion temperature and hot blast temperature.
7, unique practical, the design science of design of the present invention rationally, simple and ingenious structure, use is easy to operate, Be very effective is effective and reliable and stable.
8, by the present invention, the deficiency of existing known technology and present situation existence, defect and drawback is solved.
9, in sum, compound top combustion stove bored by special construction post of the present invention, there is above-mentioned many advantages and practical value, no matter structurally or functionally all have larger improvement, have large improvement technically, and create superior practical function, having the extensive utility value of industry, is really a new and innovative, progressive, practical new design.
10, use of the present invention easy to operate, be beneficial to wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the specific embodiment of the invention.In figure, the broken section of upper end section represents burner.
Fig. 2 is the enlarged section schematic diagram of C position in Fig. 1.The figure shows the situation of gas port.
Fig. 3 be in Fig. 1 A-A to the schematic diagram of enlarged section.The figure shows the situation of whole row's gas port.
Fig. 4 be in Fig. 1 B-B to the schematic diagram of enlarged section.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 present invention 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, the body of heater 1 that combustion chamber 7 is formed and burner, post chamber wall 8 on described burner and vertex of a cone wall 9 are set to one and jointly form mixing section 17, the side of its post chamber wall 8 is provided with gas inlet 10, post chamber wall 8 is provided with air circuit 13, and the inner side of air circuit 13 is provided with air jet 14, the side of its vertex of a cone wall 9 is provided with gas entry 11, vertex of a cone wall 9 is 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 forms the nozzle of 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, simultaneously described gas entry 11 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, side, described body of heater 1 top position 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.
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, mixing section 17 form burner jointly.
The foregoing is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention; The those of ordinary skill of all industry all can smooth and easyly be implemented, but not departing from technical solution of the present invention and make the equivalent variations of differentiation, is Equivalent embodiments of the present invention, all still belongs to technical scheme of the present invention.
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), the body of heater (1) that combustion chamber (7) is formed and burner, it is characterized in that: post chamber wall (8) on described burner and vertex of a cone wall (9) are set to one and jointly form mixing section (17), the side in its post chamber wall (8) is provided with gas inlet (10), post chamber wall (8) is provided with air circuit (13), and the inner side of air circuit (13) is provided with air jet (14), the side of its vertex of a cone wall (9) is provided with gas entry (11), vertex of a cone wall (9) is 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 for oblique setting and form the nozzle of 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. the compound vault construction top combustion stove of cone post according to 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), side, described body of heater (1) top position 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.
5. the compound vault construction top combustion stove of cone post according to claim 1 or 2 or 3, 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.
6. the compound vault construction top combustion stove of cone post according to 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 (11) replaces with air intlet and coal gas circuit (15) replaces with air loop turn and gas port (16) replaces with air nozzle simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310283577.3A CN103333978B (en) | 2013-07-05 | 2013-07-05 | Top-burning hot-blast stove with cone-column composite vault structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310283577.3A CN103333978B (en) | 2013-07-05 | 2013-07-05 | Top-burning hot-blast stove with cone-column composite vault structure |
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| Publication Number | Publication Date |
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| CN103333978A CN103333978A (en) | 2013-10-02 |
| CN103333978B true CN103333978B (en) | 2015-06-03 |
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| CN201310283577.3A Active CN103333978B (en) | 2013-07-05 | 2013-07-05 | Top-burning hot-blast stove with cone-column composite vault structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU193758U1 (en) * | 2016-11-04 | 2019-11-13 | Чжэнчжоу Аннек Индастриал Ко., Лтд | UPPER HEATER OF THE NEW MODEL COMBUSTION LOCATION UP |
| CN115354104A (en) * | 2022-08-23 | 2022-11-18 | 中冶华天工程技术有限公司 | Low type flow-equalizing top combustion hot blast stove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201801535U (en) * | 2010-10-12 | 2011-04-20 | 郑州安耐克实业有限公司 | Vertical top combustion type high-efficiency checker brick hot-blast stove changed from external combustion |
| CN202074689U (en) * | 2011-05-06 | 2011-12-14 | 河南省豫兴热风炉工程技术有限公司 | Premixed combustion type top combustion hot blast furnace with double rows of nozzles |
| CN203403119U (en) * | 2013-07-05 | 2014-01-22 | 郑州安耐克实业有限公司 | Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5772047B2 (en) * | 2011-02-21 | 2015-09-02 | 株式会社Ihi | Top combustion hot stove |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201801535U (en) * | 2010-10-12 | 2011-04-20 | 郑州安耐克实业有限公司 | Vertical top combustion type high-efficiency checker brick hot-blast stove changed from external combustion |
| CN202074689U (en) * | 2011-05-06 | 2011-12-14 | 河南省豫兴热风炉工程技术有限公司 | Premixed combustion type top combustion hot blast furnace with double rows of nozzles |
| CN203403119U (en) * | 2013-07-05 | 2014-01-22 | 郑州安耐克实业有限公司 | Top-combustion type hot-blast stove with tapered post compound type arch crown structure |
Non-Patent Citations (1)
| Title |
|---|
| 高温长寿型顶燃式热风炉的应用;唐兴智等;《工业加热》;20051030;第34卷(第5期);第44-47页 * |
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