CN204165231U - A kind of trapezoidal fire grate hot-blast stove device with V-type finedraw - Google Patents
A kind of trapezoidal fire grate hot-blast stove device with V-type finedraw Download PDFInfo
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- CN204165231U CN204165231U CN201420625036.4U CN201420625036U CN204165231U CN 204165231 U CN204165231 U CN 204165231U CN 201420625036 U CN201420625036 U CN 201420625036U CN 204165231 U CN204165231 U CN 204165231U
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Abstract
The utility model discloses a kind of trapezoidal fire grate hot-blast stove device with V-type finedraw, comprise body of heater, furnace roof, fire door, Hui Men, combustion blower pipe, liner and fire grate; Furnace roof is arranged on the top of body of heater, and furnace roof welds corrugated fin, increases the heat exchange area of cold wind and flue gas, is conducive to the heat exchange between cold wind and flue gas; Fire grate is trapezoidal shape, fire-gate side wall is furnished with V-type finedraw, trapezoidal shape structure is conducive to coal being concentrated on centre position burning, V-type finedraw is as secondary air inlet, enter from V-type finedraw volatile ingredient that air in combustion zone both can produce when pyrolysis for coal cinder to fire again oxygen is provided, burnout degree can be used as again and provide oxygen for its after-flame, make coal combustion more abundant, and then improve coal combustion efficiency; Because coal mainly concentrates on position burning to the rear in the middle of fire grate, be dull and stereotyped at the grate near fire door, make more air enter into middle burner hearth position to the rear, be conducive to fuel combustion complete.
Description
Technical field
The utility model relates to the hot-blast stove for a kind of barn, particularly relates to a kind of hot-blast stove being applicable to tobacco curing barn.
Background technology
Current most cured tobacco curing house firing equipment is all do [2009] No. 418 processing and manufacturings according to domestic cigarettes, fire grate is horizontally set on bottom of combustion chamber, it is larger that coal cinder spreads loose area in burner hearth, and what adopt is the structure of the direct air intake in fire grate bottom, the in line cigarette in top, the shortcoming of this combustion chamber is: grate area is excessive, coal is when adding in stove, the loose area of paving is excessive, and the coal combustion away from combustion centre is very insufficient, causes coal utilizaton rate to reduce; Fire door heat insulation effect is poor, and the heat that furnace heat sheds from fire door is more; The height laid at body of heater short transverse refractory brick is too low, making this stove become one burns while the stove of heat exchange, cold wind is bottom-up when flowing through body of heater, take away too much heat, stove combustion regional temperature is caused to reduce, make fuel combustion incomplete, cause chimney tail gas carbonomonoxide concentration very high.In addition, furnace outlet is larger, flue gas time of staying in burner hearth is shorter, the volatile ingredient (comprising tiny coal particle and combustibility gaseous material) that coal cinder produces when pyrolysis is failed to be fully burned and is just discharged burner hearth with flue gas in burner hearth, contain the most volatile matter of a large amount of unburned and unburnt tiny coal particle in flue gas, cause the increase of burner hearth coal consumption, thermal efficiency reduction.
Utility model content
For solving the problem, the utility model provides a kind of burning more abundant, improves efficiency of combustion, reduces the trapezoidal fire grate hot-blast stove device with V-type finedraw of coal consumption.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
Have a trapezoidal fire grate hot-blast stove device for V-type finedraw, comprise body of heater, furnace roof, fire door, Hui Men, fire grate and combustion blower pipe, described fire door is arranged on the front upper of body of heater, and grey door is arranged on the front lower of body of heater;
Described body of heater is that metal foil rolls the cylindrical of welding formation; The inwall of body of heater is along the circumferential direction fixedly installed the refractory brick flange bracing ring of a loop configuration, and above refractory brick flange bracing ring, lay refractory brick along the inwall of body of heater make liner, the top of liner is concordant with the top of cylindrical furnace;
Described furnace roof is arranged on the top of body of heater, and in the side of furnace roof, welding flue exports as exhaust gases passes, and described exhaust gases passes outlet is a flaring mouth, at the opposite side welding heat exchanger bracing frame of furnace roof, furnace roof is also welded with multi-disc corrugated fin;
Described fire grate is made up of bottom fire grate, bracing ring and fire-gate side wall, bracing ring be arranged on fire-gate side wall top outer and with fire-gate side wall integral structure, bracing ring is fixed on the inwall of liner, and bottom fire grate is arranged on the bottom in fire-gate side wall; The longitudinal cross-section of described fire grate is trapezoidal shape, described bottom fire grate is made up of dull and stereotyped and grate, grate metal supporting frames is welded respectively along four limits in the inside bottom surface of fire-gate side wall, a draw-in groove is provided with in the centre of each grate metal supporting frames, arrange respectively and the draw-in groove bayonet lock one to one in grate metal supporting frames in the middle part of four limits of bottom fire grate, the bayonet lock on the fire grate of described bottom inserts in corresponding draw-in groove; Described flat board is near fire door; Described fire-gate side wall is arranged many V-type finedraws, this V-type finedraw is narrow below upper face width, and V-type finedraw has angle perpendicular to fire-gate side wall base or with fire-gate side wall base;
The setting position of described fire door is higher than bottom fire grate, and the setting position of grey door is lower than bottom fire grate.
As a kind of preferred version of the present utility model, described fire door is double-decker, outer layer plate, and internal layer is made by having certain thickness heat insulating refractory materials, and internal layer is close to stove gate internal face.
Compared with prior art, a kind of trapezoidal fire grate hot-blast stove device tool with V-type finedraw of the present utility model has the following advantages:
1, trapezoidal shape fire grate structure is conducive to coal being concentrated on centre position burning, V-type finedraw is as secondary air inlet, enter from V-type finedraw volatile ingredient (comprising tiny coal particle and combustibility gaseous material) that air in combustion zone both can produce when pyrolysis for coal cinder to fire again oxygen is provided, can be used as again burnout degree for its after-flame provides oxygen, make coal combustion more abundant, and then improve coal combustion efficiency.Because coal mainly concentrates on position burning to the rear in the middle of fire grate, become flat board at the grate near fire door, make more air enter into middle burner hearth position to the rear, be conducive to fuel combustion complete.
2, fire door is double-decker, outer layer plate, internal layer arranges the certain thickness heat insulating refractory materials of tool, internal layer is close to fire door internal face, the skin with seal washer links closely fire door outside wall surface, the fire door of this sealing and good heat preservation performance, can prevent hot blast from shedding from fire door from fire door effusion and heat, reduce thermal loss rate.
3, liner made by the refractory brick of the larger height of inboard wall of furnace body laying, lay to the position contour with cylinder body of heater, stove can be made only to burn generation high-temperature flue gas, and be not passed through many heats to the cold air outside stove, become a real hot-blast stove, be conducive to stove combustion temperature to remain on a higher temperature like this, make fuel combustion abundant.
4, the exhaust gases passes outlet of flaring, can reduce the flow velocity of flue gas, is conducive to increasing the time of staying of flue gas in stove, makes it burn more abundant, improves efficiency of combustion.
Accompanying drawing explanation
Fig. 1 is a kind of front view with the trapezoidal fire grate hot-blast stove device of V-type finedraw;
Fig. 2 is a kind of right view with the trapezoidal fire grate hot-blast stove device of V-type finedraw;
Fig. 3 is the structural representation of furnace roof;
Fig. 4 is the structural representation of fire grate;
Fig. 5 is the top plan view of fire grate structure;
The structural representation of Fig. 6 fire door.
In accompanying drawing: 1-combustion blower pipe; 2-liner; 3-exhaust gases passes opening; 4-furnace roof; 5-fin; 6-connect heat exchanger bracing frame; 7-fire door; 8-fire grate; 9-refractory brick flange bracing ring; 10-grey door; 11-grate metal supporting frames; 12-body of heater; 13-grate gap; 14-bracing ring; 15-grate; 16-V-type finedraw; 17-dull and stereotyped; 18-insulating; 19-iron plate layer.
Detailed description of the invention
As shown in Figure 1, 2, a kind of trapezoidal fire grate hot-blast stove device with V-type finedraw, comprise body of heater 12, furnace roof 4, fire door 7, grey door 10, fire grate 8 and combustion blower pipe 1, fire door 7 is arranged on the front upper of body of heater 12, ash door 10 is arranged on the front lower of body of heater 12, and combustion blower pipe is arranged on the bottom of body of heater 12 and is positioned at below fire grate 8.
Body of heater 12 welds the cylindrical of formation for metal foil rolls, and at the bottom of bottom welding metal furnaces, weld seam is tight, smooth, and pore-free is air tight without slag inclusion.The inwall of body of heater 12 is along the circumferential direction fixedly installed the refractory brick flange bracing ring 9 of a loop configuration, and above refractory brick flange bracing ring 9, lay refractory brick along the inwall of body of heater 12 make liner 2, the top of liner 2 is concordant with the top of cylindrical furnace 12.
Furnace roof 4 is arranged on the top of body of heater 12, at the side of furnace roof 4 welding flue as exhaust gases passes outlet 3, exhaust gases passes outlet is a flaring mouth, at the opposite side welding heat exchanger bracing frame 6 of furnace roof 4, furnace roof 4 is also welded with multi-disc corrugated fin 5, as shown in Figure 3, corrugated fin 5 increases the heat exchange area of cold wind and flue gas, is conducive to the heat exchange between cold wind and flue gas.
Fire grate 8 is made up of bottom fire grate, bracing ring 14 and fire-gate side wall, as shown in Figure 4,5.Bracing ring 14 be arranged on fire-gate side wall top outer and with fire-gate side wall integral structure, all with fire clay manufacture, bottom fire grate is arranged on the bottom in fire-gate side wall.Bracing ring 14 is fixed on the inwall of liner 2, namely by circumferentially boring a circular support groove along refractory brick at liner 2, being placed on by bracing ring in support slot, being applied by gap fire clay between the two, be fixed on liner 2 by fire grate 8 with this.The longitudinal cross-section of fire grate 8 is trapezoidal shape, bottom fire grate is made up of dull and stereotyped 17 and grate 15, grate gap 13 is formed between grate 15, grate metal supporting frames 11 is welded respectively along four limits in the inside bottom surface of fire-gate side wall, a draw-in groove is provided with in the centre of each grate metal supporting frames 11, arrange respectively and the draw-in groove bayonet lock one to one in grate metal supporting frames 11 in the middle part of four limits of bottom fire grate, bayonet lock on the fire grate of bottom inserts in corresponding draw-in groove, move in direction all around to limit grate 15, can by bottom fire grate jack-up by grey door 10, through stove gate, bottom grate is taken out.Dull and stereotyped 17 near fire door 7, and fire-gate side wall is arranged many V-type finedraws, this V-type finedraw is narrow below upper face width, and V-type finedraw has angle perpendicular to fire-gate side wall base or with fire-gate side wall base.
The setting position of fire door 7 higher than bottom fire grate, the setting position of grey door 10 lower than bottom fire grate, the bottom of body of heater 12 and be positioned at below grate and form cinder chamber, the corresponding grey door 10 of cinder chamber.Fire door 7 is double-decker (iron plate layer 19 and insulating 18), as shown in Figure 6, outer layer plate, internal layer is made by having certain thickness heat insulating refractory materials (as alumina silicate fibre etc.), internal layer is close to stove gate internal face, and the skin with seal washer links closely fire door outside wall surface.
Coal adds from fire door 7, and be placed on fire grate 8, fire grate 8 burns, air is drawn into the cinder chamber below fire grate 8 by air blast, then enters into combustion zone, contacts make it burn with the coal on fire grate; The flue gas produced after coal combustion, flows out from exhaust gases passes opening.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. one kind has the trapezoidal fire grate hot-blast stove device of V-type finedraw, comprise body of heater (12), furnace roof (4), fire door (7), grey door (10), fire grate (8) and combustion blower pipe (1), described fire door (7) is arranged on the front upper of body of heater (12), ash door (10) is arranged on the front lower of body of heater (12), it is characterized in that: described body of heater (12) welds the cylindrical of formation for metal foil rolls; The inwall of body of heater (12) is along the circumferential direction fixedly installed the refractory brick flange bracing ring (9) of a loop configuration, lay refractory brick in the top of refractory brick flange bracing ring (9) along the inwall of body of heater (12) and make liner (2), the top of liner (2) is concordant with the top of cylindrical furnace (12);
Described furnace roof (4) is arranged on the top of body of heater (12), at the side of furnace roof (4) welding flue as exhaust gases passes outlet (3), described exhaust gases passes outlet is a flaring mouth, at the opposite side welding heat exchanger bracing frame (6) of furnace roof (4), furnace roof (4) is also welded with multi-disc corrugated fin (5);
Described fire grate (8) is made up of bottom fire grate, bracing ring (14) and fire-gate side wall, bracing ring (14) be arranged on fire-gate side wall top outer and with fire-gate side wall integral structure, bracing ring (14) is fixed on the inwall of liner (2), and bottom fire grate is arranged on the bottom in fire-gate side wall; The longitudinal cross-section of described fire grate (8) is trapezoidal shape, described bottom fire grate is made up of dull and stereotyped (17) and grate (15), grate metal supporting frames (11) is welded respectively along four limits in the inside bottom surface of fire-gate side wall, a draw-in groove is provided with in the centre of each grate metal supporting frames (11), arrange respectively and the draw-in groove bayonet lock one to one in grate metal supporting frames (11) in the middle part of four limits of bottom fire grate, bayonet lock on the fire grate of described bottom inserts in corresponding draw-in groove, and described flat board (17) is near fire door (7); Described fire-gate side wall is arranged many V-type finedraws, this V-type finedraw is narrow below upper face width, and V-type finedraw has angle perpendicular to fire-gate side wall base or with fire-gate side wall base;
The setting position of described fire door (7) is higher than bottom fire grate, and the setting position of grey door (10) is lower than bottom fire grate.
2. a kind of trapezoidal fire grate hot-blast stove device with V-type finedraw according to claim 1, it is characterized in that: described fire door (7) is double-decker, outer layer plate, internal layer is made by having certain thickness heat insulating refractory materials, and internal layer is close to stove gate internal face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625036.4U CN204165231U (en) | 2014-10-27 | 2014-10-27 | A kind of trapezoidal fire grate hot-blast stove device with V-type finedraw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625036.4U CN204165231U (en) | 2014-10-27 | 2014-10-27 | A kind of trapezoidal fire grate hot-blast stove device with V-type finedraw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204165231U true CN204165231U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625036.4U Expired - Fee Related CN204165231U (en) | 2014-10-27 | 2014-10-27 | A kind of trapezoidal fire grate hot-blast stove device with V-type finedraw |
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| CN (1) | CN204165231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329799A (en) * | 2014-10-27 | 2015-02-04 | 重庆大学 | Trapezoidal fire grate hot air blast furnace with V-shaped fine seams |
| CN110440270A (en) * | 2019-07-10 | 2019-11-12 | 南京博约环境科技有限公司 | A kind of efficient incinerator of hazardous waste |
-
2014
- 2014-10-27 CN CN201420625036.4U patent/CN204165231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329799A (en) * | 2014-10-27 | 2015-02-04 | 重庆大学 | Trapezoidal fire grate hot air blast furnace with V-shaped fine seams |
| CN104329799B (en) * | 2014-10-27 | 2017-01-25 | 重庆大学 | Trapezoidal fire grate hot air blast furnace with V-shaped fine seams |
| CN110440270A (en) * | 2019-07-10 | 2019-11-12 | 南京博约环境科技有限公司 | A kind of efficient incinerator of hazardous waste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING UNIVERSITY Effective date: 20150623 Owner name: CHONGQING CITY COMPANY OF CHINA NATIONAL TOBACCO C Free format text: FORMER OWNER: CHONGQING UNIVERSITY Effective date: 20150623 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Shucheng Inventor after: Tang Qiang Inventor after: Liu Chengrong Inventor after: Chen Yanrong Inventor after: Ran Jingyu Inventor after: Yan Yunfei Inventor after: Zhang Li Inventor after: Li Long Inventor after: Huang Qiao Inventor after: Zhang Yonghua Inventor after: Pu Ge Inventor after: Guo Hongliang Inventor after: Yang Zhongqing Inventor before: Yan Yunfei Inventor before: Tang Qiang Inventor before: Liu Chengrong Inventor before: Chen Yanrong Inventor before: Ran Jingyu Inventor before: Zhang Li Inventor before: Wu Shucheng Inventor before: Li Long Inventor before: Huang Qiao Inventor before: Zhang Yonghua Inventor before: Pu Ge Inventor before: Guo Hongliang Inventor before: Yang Zhongqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAN YUNFEI ZHANG LI WU SHUCHENG LI LONG HUANG QIAO ZHANG YONGHUA PU GE GUO HONGLIANG YANG ZHONGQING TANG QIANG LIU CHENGRONG CHEN YANRONG RAN JINGYU TO: WU SHUCHENG YAN YUNFEI ZHANG LI LI LONG HUANG QIAO ZHANG YONGHUA PU GE GUO HONGLIANG YANG ZHONGQING TANG QIANG LIU CHENGRONG CHEN YANRONG RAN JINGYU |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150623 Address after: 400023 Chongqing Jiangbei District Wujiang Road No. 20 Patentee after: CHONGQING TOBACCO MONOPOLY BUREAU Patentee after: Chongqing University Address before: 400044 Shapingba District Sha Street, No. 174, Chongqing Patentee before: Chongqing University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151027 |
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| EXPY | Termination of patent right or utility model |