CN203569130U - Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove - Google Patents
Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove Download PDFInfo
- Publication number
- CN203569130U CN203569130U CN201320750848.7U CN201320750848U CN203569130U CN 203569130 U CN203569130 U CN 203569130U CN 201320750848 U CN201320750848 U CN 201320750848U CN 203569130 U CN203569130 U CN 203569130U
- Authority
- CN
- China
- Prior art keywords
- wall
- air
- gas
- coal gas
- regenerator
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 238000002156 mixing Methods 0.000 title claims abstract description 22
- 238000005507 spraying Methods 0.000 title abstract description 3
- 239000003034 coal gas Substances 0.000 claims abstract description 33
- 239000011449 brick Substances 0.000 claims description 47
- 238000005338 heat storage Methods 0.000 claims description 20
- 239000004575 stone Substances 0.000 claims description 18
- 238000007363 ring formation reaction Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000011819 refractory material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 31
- 239000000446 fuel Substances 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 4
- 238000007789 sealing Methods 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007547 defect 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
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to a cyclone inner mixing rectifying upper spraying backflow porous body combustion hot blast stove and effectively solves the problems of low mixing speed and low combustion intensity of coal gas and air. The structure is that porous bodies are accumulated in a combustion chamber; the wall body of the combustion chamber and the wall body of a combustor are integrally connected onto a stove shell; a coal gas inlet pipe and an air inlet pipe are arranged on the wall body of the combustor and are respectively built on a coal gas distribution circuit and an air distribution circuit; the inside annular wall of the coal gas distribution circuit is provided with coal gas sprayer channels which are communicated with a coal gas and air premixing circuit; a hot air outlet pipe is arranged at the top of the combustion chamber; a sliding step seam labyrinth sealing connection structure sleeved with the outside of a cylindrical heat accumulation wall body is arranged inside a lower part cylinder; a porous heat accumulation body upwards built to the upper end surface of the combustor from a stove grate is arranged in a heat accumulation chamber; a cold air chamber is formed between the heat accumulation chamber wall body at the lower body of the stove grate and the stove bottom. Fuel is saved, the temperature of waste gas is reduced and the emission of harmful gas is reduced.
Description
Technical field
The utility model relates to hotblast stove, especially for the hotblast stove that sprays the burning of backflow porous insert in a kind of eddy flow of high temperature blast on mixed-rectification is provided for blast furnace.
Background technology
Current, blast funnace hot blast stove is considered to require under lower heat of combustion blast furnace gas, to obtain high-performance and high wind-warm syndrome from energy-saving and cost-reducing, and finally reach efficiently, the object of energy-saving and environmental protection, volume increase.For this reason, in hotblast stove, must realize the combustion processes stove internal procedure that combines with the heat transfer process of strengthening of optimizing.This just relates to structure, heat storage body structure and the layout of combustion unit and the tissue of air velocity distribution.Make a general survey of the various hotblast stoves of current use, its gas combustion apparatus all take coal gas mix in combustion space with air, preheating, ignition pattern be as main, always there is the problem such as mix inequality, incomplete combustion, the bags is large, burner structure is complicated in this pattern; And air current composition misorient (application of flow velocity selection, distribution of air flow and control, eddy flow and reflux state etc.) in combustion chamber and regenerator, cause that in combustion chamber, the changing features of combustion gas flowing is large, air-flow is unstable, intensity of combustion is low, and then cause air-flow skewness in regenerator, reduce the utilization ratio of heat-transfer effect and heat storage; Because the structure of heat storage is all difficult to choose according to flow field structure and load condition with layout, thus the performance of entire effect hotblast stove and practical effect.
Summary of the invention
For above-mentioned situation, for overcoming prior art defect, the utility model provides the hotblast stove that sprays the burning of backflow porous insert in a kind of eddy flow on mixed-rectification, its way is to arrange and can realize eddy flow quadrature hybrid under combustion chamber of hot-blast stove vault, the burner that premix gas burns in porous regenerator body after spraying backflow preheat in rectification, make it effectively to solve coal gas low with air mixed speed, mix inhomogeneously, the problem such as intensity of combustion is low, temperature of combustion is low, incomplete combustion, the bags are large and burner structure is unreasonable.
The technical scheme that the utility model solves is, comprise combustion chamber body of wall, combustion chamber, hot-blast outlet pipe, burner body of wall, gas inlet pipe, air intake duct, gas allocation circuit, air distributes circuit, gasburner passage, air nozzle passage, coal gas and air pre-mixing cyclization road and premix gas blowout mouth, combustion chamber body of wall is spherical vault shape, combustion chamber inner conical is stacked with combustion-supporting ceramic porous article, the burner body of wall of the cylinder shape of combustion chamber body of wall and its underpart is connected and is supported on furnace shell, on the cylinder of burner body of wall, vertical its axis correspondence is furnished with gas inlet pipe and air intake duct, gas inlet pipe is vertically connected respectively gas allocation circuit and the air of building by laying bricks or stones in burner body of wall with air intake duct and distributes circuit, on the inner side ringwall of gas allocation circuit, annular is evenly equipped with the gasburner passage of multiple square-sections, gasburner passage leaves after the inner side ringwall of gas allocation circuit, with horizontal tilt direction, be connected with air pre-mixing cyclization road with the coal gas of building by laying bricks or stones in burner body of wall, on the inner side ringwall of air distribution circuit, annular is evenly equipped with the air nozzle passage of multiple square-sections, air nozzle passage leaves after the inner side ringwall of air distribution circuit, turnover is upwards connected with the bottom in air pre-mixing cyclization road with the coal gas of building by laying bricks or stones in burner body of wall, coal gas and air pre-mixing cyclization road are square-section, in its top, the premix gas ring shape spout of horizontal collector ring is set respectively on outside rectification ringwall, in, the rectification ringwall in outside is alternate layout, form tortuous passageway, on the axis of combustion chamber body of wall spherical top, be provided with hot-blast outlet pipe, the cylinder inner side, bottom of burner body of wall is provided with the ladder seam labyrinth seal syndeton with round shape regenerator wall outer side socket slippage, the tabular fire grate of porous that supports heat storage is set in columnar regenerator body of wall lower horizontal, in regenerator, has from fire grate and upwards pile up to the checker brick of burner upper surface or the porous regenerator body of refractory ball, internal space between regenerator body of wall and the furnace bottom of fire grate bottom forms cold air chamber, on the body of wall at cold air chamber place, have smoke outlet tube and the cold wind inlet pipe of vertical its axis that communicates with it, cold air chamber's body of wall is the extension of cylindric regenerator body of wall and furnace bottom is its end cap.
The utility model novel structure uniqueness, it is the innovation on existing hotblast stove furnace type structure basis, can effectively realize hotblast stove efficient, high temperature, average rate, high-heat strength and safety and stablization move, then reach fuel saving, save investment, reduce spent air temperture and the quantity discharged of obnoxious flavour, the good result of minimizing environmental pollution.
Accompanying drawing explanation
Fig. 1 is sectional front view of the present utility model.
Fig. 2 is A-A sectional view in the utility model Fig. 1.
Fig. 3 be in the utility model Fig. 1 B-B to view.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises combustion chamber body of wall, combustion chamber, hot-blast outlet pipe, burner body of wall, gas inlet pipe, air intake duct, gas allocation circuit, air distributes circuit, gasburner passage, air nozzle passage, coal gas and air pre-mixing cyclization road and premix gas blowout mouth, combustion chamber body of wall 1a is spherical vault shape, combustion chamber 2 inner conicals are stacked with combustion-supporting ceramic porous article 11, the burner body of wall 1b of the cylinder shape of combustion chamber body of wall 1a and its underpart is connected and is supported on furnace shell, on the cylinder of burner body of wall 1b, vertical its axis correspondence is furnished with gas inlet pipe 3 and air intake duct 4, gas inlet pipe 3 is vertically connected respectively the gas allocation circuit 5 of building by laying bricks or stones in burner body of wall with air intake duct 4 and distributes circuit 6 with air, on the inner side ringwall of gas allocation circuit 5, annular is evenly equipped with the gasburner passage 7 of multiple square-sections, gasburner passage 7 leaves after the inner side ringwall of gas allocation circuit 5, with horizontal tilt direction, be connected with air pre-mixing cyclization road 9 with the coal gas of building by laying bricks or stones in burner body of wall, on the inner side ringwall of air distribution circuit 6, annular is evenly equipped with the air nozzle passage 8 of multiple square-sections, air nozzle passage 8 leaves after the inner side ringwall of air distribution circuit 6, turnover is upwards connected with the bottom in air pre-mixing cyclization road 9 with the coal gas of building by laying bricks or stones in burner body of wall, coal gas and air pre-mixing cyclization road 9 are square-section, in its top, the premix gas ring shape spout 9a of horizontal collector ring is set respectively on outside rectification ringwall, in, the rectification ringwall in outside is alternate layout, form tortuous passageway, on the axis of combustion chamber body of wall 1a spherical top, be provided with hot-blast outlet pipe 17, the cylinder inner side, bottom of burner body of wall 1b is provided with the ladder seam labyrinth seal syndeton 18 with the socket slippage of round shape regenerator body of wall 1c outside, the tabular fire grate 13 of porous that supports heat storage 12 is set in columnar regenerator body of wall 1c lower horizontal, in regenerator 10, has from fire grate and upwards pile up to the checker brick of burner upper surface or the porous regenerator body 12 of refractory ball, internal space between regenerator body of wall 1c and the furnace bottom 1d of fire grate 13 bottoms forms cold air chamber 14, on the body of wall at cold air chamber place, have smoke outlet tube 16 and the cold wind inlet pipe 15 of vertical its axis that communicates with it, cold air chamber's body of wall is the extension of cylindric regenerator body of wall and furnace bottom 1d is its end cap.
Described combustion chamber body of wall 1a and burner body of wall 1b be on metal shell inwall, build by laying bricks or stones high temperature resistant 1300 ℃~1500 ℃ refractory masses form, the internal layer that refractory masses consists of heavy refractory materials Low Creep High Alumina Bricks or andaluzite high alumina brick, the skin that high-quality lightweight refractory forms, and ceramic fiber cotton and the sprayed coating of outer outside are combined formation, wherein upper taper stacking can be good by high temperature thermal shock resistance, the molecular combustion-supporting ceramic porous article 11 of brick shape lattice of anti-adhesion, its underpart is the first heat storage 12a of regenerator 10, phase mutual energy realizes intercommunication between checker brick through hole (checkerwork cell) or the intercommunication between air-flow, hot-blast outlet pipe 17 connects with combustion chamber ball roof pendant is direct-connected, hotblast stove outlet pipe adopts the refractory materials of high temperature resistant and stable performance (as Low Creep High Alumina Bricks, andaluzite corundum brick etc.) build by laying bricks or stones and form.
Described gas inlet pipe 3 and air intake duct 4 are on inner wall of metal tube, to build the circular passage that refractory materials (as high alumina brick or clay brick) forms by laying bricks or stones, gas inlet pipe 3 air intake ducts 4 are separately positioned on bottom and the top of burner cylindrical shell, and gas inlet pipe 3 is vertically connected respectively and is arranged on the gas allocation circuit 5 of the square-section in burner body of wall 1b and the outside ringwall of air distribution circuit 6 with air intake duct 4.
On described gas allocation circuit 5 and air distribution circuit 6 inner side ringwalls, be respectively arranged with gasburner passage 7 and the air nozzle passage 8 that the equally distributed level of multiple annular, peripheral picks out, its cross section is fan-shaped or rectangle, gasburner passage 7 is the side wall access from coal gas and air mixed circuit 9 with 0~45 ° of certain level inclination angle, after air nozzle passage 8 leaves air distribution circuit 6, turnover upwards, accesses from the bottom of coal gas and air mixed circuit 9.
Described coal gas and air pre-mixing cyclization road 9 its cross sections are rectangle, its top arranges premix gas ring shape spout 9a, on inside and outside ringwall, the alternate cross section that arranges is the trapezoidal rectification loop turn that is become level complications by refractory material laying, and the material at above-mentioned position is built by laying bricks or stones by the good refractory product of thermal shock resistance.
Described regenerator body of wall 1c is the cylinder of being built respectively from top to bottom by laying bricks or stones formation on metal shell inwall by refractory materials (siliceous brick or andaluzite matter brick, High-Alumina brick, clayey brick), described porous regenerator body 12 is arranged in order the first heat storage 12a from top to bottom for being stacked at by checker brick in regenerator, the second heat storage 12b and the 3rd heat storage 12c form, the checkerwork cell of checker brick is taper circular hole, between checkerwork cell and checkerwork cell, there is the groove of intercommunication, the porous insert that fire grate 13 is made for heat resisting iron, be placed on the pillar stiffener that the heat resisting iron that is fixed on furnace bottom makes, the first heat storage 12a is siliceous checker brick (or silica fire resistant balls), the second heat storage 12b is andaluzite high alumina checker brick (or compact high-alumina refractory balls), the 3rd heat storage 12c is andaluzite clay checker brick (or high-alumina refractory ball).
Described smoke outlet tube 16 and cold wind inlet pipe 15 form for building refractory masses (being generally clay brick) on inner wall of metal tube by laying bricks or stones, and be connected with regenerator bottom body of wall 1c, regenerator body of wall 1c and discoidal furnace bottom 1d are fixed together, and are provided with the groined type groove joist steel that adds stiff stability in furnace bottom.
During enforcement, in burner, coal gas and air are drawn uniform gasburner passage 7 and air nozzle passage 8 by distribution circuit inner side separately, from outer side and bottom, enter coal gas and air pre-mixing cyclization road 9 respectively, mutually be mixed to form therein premixed flow, because gasburner passage 7 is the access of tilting, can be in coal gas and air pre-mixing cyclization road 9 form the premixed flow of circling round, from circuit top, through the tortuous passageway of premix gas ring shape spout 9a, spray vertically upward more afterwards and enter combustion chamber 2; Such premixed flow (or half premixed flow) just becomes circumferential distribution and rotates comparatively uniformly up air-flow, completes combustion processes in the ceramic porous article 10 of taper turning back to enter in being deposited in combustion chamber after the preheating of backflow high-temperature flue gas; Most of high-temperature flue gas after burning enters downwards in the heat storage of piling up in regenerator, after carrying out heat exchange equably, from smoke outlet tube, flows out.Hotblast stove adopts after this flow burning mode, just efficiently solves the key issues such as low-heat value gas combustion is unstable, intensity of combustion weak, temperature of combustion is low.Coal gas is changed into this circuit inward eddy with the combustion system that takies a large amount of combustion spaces burning while mixing between air to be mixed, after rectification, form even annular jet and spray on eddy flow, eddy flow backflow preheat through turning back and the combustion system of high-intensity combustion, and the application of the combustion-supporting porous insert in combustion chamber, not only improve the completeness of burning but also dwindled the bags, and be in the backflow vortex in combustion-supporting ceramic porous article by the up part forming of turning back of air-flow, that can realize flame (burning) stable can reach again strengthening preheating coal gas and air pre-mixing air-flow and improve the object of partial combustion temperature.Therefore, for adopting the hotblast stove of other gas combustion apparatus, because the combustion unit the utility model proposes is to be mixed and realized quick premix by pre-mixing circuit, by backflow preheat in porous insert, steady flame and high-intensity combustion, and evenly enter in heat storage air-flow and be distributed with and be beneficial to the high duty heat transfer realizing in chamber of hot-blast stove, this just can greatly improve the thermal property of the hotblast stove that adopts this combustion unit, make the hotblast stove can be under the condition of lower heat of combustion coal gas, at coal gas and air all under the condition of not preheating, possessed efficient, high wind-warm syndrome, function with energy-conserving and environment-protective.In addition, the further compactness of structure not only can have been brought the saving of investment cost, is also the stable condition that provides the foundation of hotblast stove structure.
Claims (7)
1. in an eddy flow, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, comprise combustion chamber body of wall, combustion chamber, hot-blast outlet pipe, burner body of wall, gas inlet pipe, air intake duct, gas allocation circuit, air distributes circuit, gasburner passage, air nozzle passage, coal gas and air pre-mixing cyclization road and premix gas blowout mouth, it is characterized in that, combustion chamber body of wall (1a) is spherical vault shape, combustion chamber (2) inner conical is stacked with combustion-supporting ceramic porous article (11), the burner body of wall (1b) of the cylinder shape of combustion chamber body of wall (1a) and its underpart is connected and is supported on furnace shell, on the cylinder of burner body of wall (1b), vertical its axis correspondence is furnished with gas inlet pipe (3) and air intake duct (4), gas inlet pipe (3) is vertically connected respectively the gas allocation circuit (5) of building by laying bricks or stones in burner body of wall with air intake duct (4) and distributes circuit (6) with air, on the inner side ringwall of gas allocation circuit (5), annular is evenly equipped with the gasburner passage (7) of multiple square-sections, gasburner passage (7) leaves after the inner side ringwall of gas allocation circuit (5), with horizontal tilt direction, be connected with air pre-mixing cyclization road (9) with the coal gas of building by laying bricks or stones in burner body of wall, on the inner side ringwall of air distribution circuit (6), annular is evenly equipped with the air nozzle passage (8) of multiple square-sections, air nozzle passage (8) leaves after the inner side ringwall of air distribution circuit (6), turnover is upwards connected with the bottom in air pre-mixing cyclization road (9) with the coal gas of building by laying bricks or stones in burner body of wall, coal gas and air pre-mixing cyclization road (9) are square-section, in its top, the premix gas ring shape spout (9a) of horizontal collector ring is set respectively on outside rectification ringwall, in, the rectification ringwall in outside is alternate layout, form tortuous passageway, on the axis of combustion chamber body of wall (1a) spherical top, be provided with hot-blast outlet pipe (17), the cylinder inner side, bottom of burner body of wall (1b) is provided with the ladder seam labyrinth seal syndeton (18) with the socket slippage of round shape regenerator body of wall (1c) outside, the tabular fire grate (13) of porous that supports heat storage (12) is set in columnar regenerator body of wall (1c) lower horizontal, in regenerator (10), has from fire grate and upwards pile up to the checker brick of burner upper surface or the porous regenerator body (12) of refractory ball, internal space between regenerator body of wall (1c) and the furnace bottom (1d) of fire grate (13) bottom forms cold air chamber (14), has smoke outlet tube (16) and the cold wind inlet pipe (15) of vertical its axis that communicates with it on the body of wall at cold air chamber place.
2. in eddy flow according to claim 1, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, it is characterized in that, described combustion chamber body of wall (1a) and burner body of wall (1b) are for building the refractory masses formation of high temperature resistant 1300 ℃~1500 ℃ by laying bricks or stones on metal shell inwall, the internal layer that refractory masses consists of heavy refractory materials Low Creep High Alumina Bricks or andaluzite high alumina brick, the skin that high-quality lightweight refractory forms, and ceramic fiber cotton and the sprayed coating of outer outside are combined formation, wherein upper taper stacking can be good by high temperature thermal shock resistance, the molecular combustion-supporting ceramic porous articles of brick shape lattice (11) of anti-adhesion, its underpart is first heat storage (12a) of regenerator (10), phase mutual energy realizes the intercommunication between intercommunication or the air-flow between checker brick through hole, hot-blast outlet pipe (17) connects with combustion chamber ball roof pendant is direct-connected.
3. in eddy flow according to claim 1, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, it is characterized in that, described gas inlet pipe (3) and air intake duct (4) are on inner wall of metal tube, to build the circular passage that refractory materials (as high alumina brick or clay brick) forms by laying bricks or stones, gas inlet pipe (3) air intake duct (4) is separately positioned on bottom and the top of burner cylindrical shell, gas inlet pipe (3) is vertically connected respectively and is arranged on the gas allocation circuit (5) of the square-section in burner body of wall (1b) and the outside ringwall of air distribution circuit (6) with air intake duct (4).
4. in eddy flow according to claim 1, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, it is characterized in that, on described gas allocation circuit (5) and air distribution circuit (6) inner side ringwall, be respectively arranged with gasburner passage (7) and the air nozzle passage (8) that the equally distributed level of multiple annular, peripheral picks out, its cross section is fan-shaped or rectangle, gasburner passage (7) is the side wall access from coal gas and air mixed circuit (9) with 0~45 ° of certain level inclination angle, air nozzle passage (8) leaves air and distributes circuit (6) afterwards, turnover upwards, from the bottom access of coal gas and air mixed circuit (9).
5. in eddy flow according to claim 1, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, it is characterized in that, described coal gas and its cross section of air pre-mixing cyclization road (9) are rectangle, its top arranges premix gas ring shape spout (9a), and on inside and outside ringwall, the alternate cross section that arranges is the trapezoidal rectification loop turn that is become level complications by refractory material laying.
6. the hotblast stove that sprays the burning of backflow porous insert in eddy flow according to claim 1 on mixed-rectification, is characterized in that, described regenerator body of wall (1c) is the cylinder consisting of refractory material laying respectively from top to bottom on metal shell inwall; Described porous regenerator body (12) is arranged in order the first heat storage (12a), the second heat storage (12b) and the 3rd heat storage (12c) formation from top to bottom for being stacked at by checker brick in regenerator, the checkerwork cell of checker brick is taper circular hole, between checkerwork cell and checkerwork cell, there is the groove of intercommunication, the porous insert that fire grate (13) is made for heat resisting iron, is placed on the pillar stiffener that the heat resisting iron that is fixed on furnace bottom makes.
7. in eddy flow according to claim 1, on mixed-rectification, spray the hotblast stove of backflow porous insert burning, it is characterized in that, described smoke outlet tube (16) and cold wind inlet pipe (15) form for building refractory masses on inner wall of metal tube by laying bricks or stones, and be connected with regenerator bottom body of wall (1c), regenerator body of wall (1c) is fixed together with discoidal furnace bottom (1d), is provided with the groined type groove joist steel that adds stiff stability in furnace bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320750848.7U CN203569130U (en) | 2013-11-25 | 2013-11-25 | Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320750848.7U CN203569130U (en) | 2013-11-25 | 2013-11-25 | Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203569130U true CN203569130U (en) | 2014-04-30 |
Family
ID=50536873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320750848.7U Expired - Lifetime CN203569130U (en) | 2013-11-25 | 2013-11-25 | Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203569130U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104805246A (en) * | 2015-04-21 | 2015-07-29 | 陈维汉 | Flow equalizing hot blast heater with premix air flow nozzle interconnection and air supply flow curved flowing |
CN111795499A (en) * | 2020-07-14 | 2020-10-20 | 郑州釜鼎热能技术有限公司 | Hot blast stove with high-speed hedging rotational flow adjustable premixing heat accumulator backflow high-temperature combustion |
CN112128975A (en) * | 2020-09-25 | 2020-12-25 | 郑州釜鼎热能技术有限公司 | Hot blast stove for combustion and heat transfer in air gas up-spraying entrainment high-temperature flue gas heat accumulator |
CN114381563A (en) * | 2022-01-15 | 2022-04-22 | 郑州豫兴热风炉科技有限公司 | Low-nitrogen efficient explosion-proof high-air-temperature long-life top combustion type hot blast stove |
-
2013
- 2013-11-25 CN CN201320750848.7U patent/CN203569130U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104805246A (en) * | 2015-04-21 | 2015-07-29 | 陈维汉 | Flow equalizing hot blast heater with premix air flow nozzle interconnection and air supply flow curved flowing |
CN104805246B (en) * | 2015-04-21 | 2017-04-26 | 陈维汉 | Flow equalizing hot blast heater with premix air flow nozzle interconnection and air supply flow curved flowing |
CN111795499A (en) * | 2020-07-14 | 2020-10-20 | 郑州釜鼎热能技术有限公司 | Hot blast stove with high-speed hedging rotational flow adjustable premixing heat accumulator backflow high-temperature combustion |
CN112128975A (en) * | 2020-09-25 | 2020-12-25 | 郑州釜鼎热能技术有限公司 | Hot blast stove for combustion and heat transfer in air gas up-spraying entrainment high-temperature flue gas heat accumulator |
CN112128975B (en) * | 2020-09-25 | 2021-11-09 | 郑州釜鼎热能技术有限公司 | Hot blast stove for combustion and heat transfer in air gas up-spraying entrainment high-temperature flue gas heat accumulator |
CN114381563A (en) * | 2022-01-15 | 2022-04-22 | 郑州豫兴热风炉科技有限公司 | Low-nitrogen efficient explosion-proof high-air-temperature long-life top combustion type hot blast stove |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105650624B (en) | A kind of coal gas and air classification premixed combustion and the hot-blast stove for spreading heat | |
CN203569130U (en) | Cyclone inner mixing rectifying upper spraying backflow heat accumulator combustion hot blast stove | |
CN203653595U (en) | Hot-blast stove with high-speed swirl premixed heat storage self-preheating combustion device | |
CN202415585U (en) | Hot-blast stove for spraying mixed coal gas and air in loop from uniformly-distributed spray nozzles to form reflow for combusting | |
CN102829471A (en) | Flameless combustion device for pre-mixing and up-injecting gas and air in rotational flow manner in annular channel | |
CN103484588B (en) | Top combustion type hot air furnace arranging annular flameless combustion device below arch roof of combustion chamber | |
CN102719584B (en) | Hot blast heater realizing preheated combustion of horizontal spraying heat accumulator of premixed air flow of gas and air | |
CN102494343B (en) | Combustion device for rotational flow mixed combustion by spraying air above uniformly distributed gas jets in loop | |
CN202361375U (en) | Combustor for combustion in multihole cone with quick swirling flow mixing device | |
CN103900084A (en) | Turbulent combustor allowing premixed gas flow to force flue gas to flow back for preheating combustion | |
CN203360477U (en) | Hot blast stove adopting coal gas and air orthogonal jetting and mixing and porous body for combustion supporting | |
CN203517788U (en) | Porous body burning combustor of remixing coal gas whirl flow with premix gas | |
CN103740880B (en) | High-velocity burner for self-preheating of rotational flow and back flow in premixed airflow heat accumulator | |
CN202415584U (en) | Hot-blast stove for mixing gas with air and spraying from evenly distributed nozzles to form reverse-flow preheating combustion | |
CN102766713A (en) | Air heating furnace with nozzles in pre-burning chamber for reflowing preheating burning by opposed jetting and mixing | |
CN202415583U (en) | Hot-blast stove with upwards spraying air and rotational-flow mixed combusting apparatus and coal gas nozzles uniformly distributed in ring channel | |
CN203653596U (en) | Staged mixed combustion hot-air furnace with annularly and uniformly distributed coal gas and air nozzles | |
CN202808853U (en) | Hot-blast stove for realizing combustion in heat-retaining mass via up-and-down injecting, hedging and mixing of nozzles in pre-combustion chamber | |
CN204254614U (en) | Gas-air premix sprays the backflow preheat staged combustion device that vault jet guides | |
CN203215674U (en) | Combustor with built-in hot air pipe and combustion in nozzle orthogonal jet mixed heat accumulator | |
CN203513710U (en) | Hot blast stove having combustion-supporting porous body for internally mixing vortex flow and guiding flow to spray upwards | |
CN103627832B (en) | Hot blast stove with injection premixing cyclone stable flame device and heat accumulators for supporting combustion | |
CN202849471U (en) | Hot blast stove with gas and air combusting in annularly jetting and mixing heat storer in combustion chamber | |
CN202519283U (en) | Hot-blast stove with uniformly distributed nozzles jetting mixed hedging back flows for warm-up combustion in pre-combustion chamber | |
CN203653597U (en) | Flameless combustion apparatus capable of upwards spraying heat accumulator to support combustion after mixing in rotational flow |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140430 |