CN2482633Y - Energy-saving hot-blast stove - Google Patents
Energy-saving hot-blast stove Download PDFInfo
- Publication number
- CN2482633Y CN2482633Y CN 01228210 CN01228210U CN2482633Y CN 2482633 Y CN2482633 Y CN 2482633Y CN 01228210 CN01228210 CN 01228210 CN 01228210 U CN01228210 U CN 01228210U CN 2482633 Y CN2482633 Y CN 2482633Y
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- CN
- China
- Prior art keywords
- air
- heat exchange
- exchange body
- coal furnace
- central airway
- 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 - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to an energy saving hot stove, which consists of a coal-burning stove 1 and a heat exchange body 3, both of which are separately arranged at the left side and the right side. The heat exchange body 3 is of a volute structure, a central air channel 6 is arranged at an axial position, two uniform expansion and double-screw worm shaped gas channel 12 and air channel 13 which are mutually wound at least 3 turns are arranged along the central air channel 6. A gas and air respectively finish the reverse worm heat change in the two worm shaped air channels. Owing to the uniform and continuous section and the small resistance of the worm shaped air channels, the utility model has the advantages of high thermal efficiency, sound energy saving, convenient manufacturing, transportation, installation and maintenance.
Description
The utility model relates to a kind of drying equipment, a kind of specifically energy-saving hot blast furnace.
Existing " energy efficient hot air furnace " CN2226247Y discloses a kind of vertical hot furnace, mainly partly form by heat exchange body, combustion chamber, fire grate and skirt etc., it is as a whole that its heat exchange body and combustion chamber are that upper and lower settings becomes, and this transportation, installation and maintenance for the bigger big-and-middle-sized hot-blast stove of volume and quality has inconvenience more; The annular blast tube and the air duct of the concentric drums composition that especially the several diameters of employing do not wait in the design of heat exchange body and air flue, make the connection position of same air flue have dead angle or section variation excessive more, airflow obstruction, energy consumption increases, flow velocity is changeable, and the heat exchange effect is not good enough.
The purpose of this utility model be to provide a kind of heat exchange air flue section evenly, continuously, resistance is little, the thermal efficiency is high, is convenient to the energy-saving hot blast furnace of making, transport, installing and keep in repair.
Energy-saving hot blast furnace of the present utility model comprises coal furnace and heat exchange body, and wherein coal furnace comprises stove seat, combustion chamber and fire door, and described combustion chamber is located on the stove seat, and described fire door is located at the outside of bottom, combustion chamber; Described heat exchange body comprises diaphragm, fuel gas inlet, hot air outlet, blast tube, air duct, air intlet and gas outlet; The split setting of existing side by side about being of described coal furnace and heat exchange body, described coal furnace also comprises air-pre-heating cavity, air outlet slit and blast pipe, described air-pre-heating cavity is located in the coal furnace, is looped around outside the combustion chamber, and described blast pipe is welded on the coal furnace shell along on the direction of bus; Described heat exchange body bottom is provided with heat exchange body base, described heat exchange body is a worm frame, its axis position is provided with central airway, be provided with two mutually around the blast tube and the air duct that wait expansion bipitch volute of at least three circles along central airway, combustion gas and air are finished the reverse vortex heat transfer process respectively in two volute air flues; The middle part that is arranged on described central airway that described diaphragm tilts, described fuel gas inlet is positioned at described central airway upper right along on the generatrix direction, described hot air outlet is positioned at described central airway lower left side along on the generatrix direction, be connected with warm-air pipe in described central airway bottom, described air intlet is positioned at the left side of described heat exchange body, and described gas outlet is positioned at the right side of described heat exchange body; Be connected with a pyrotechnics tunnel at described coal furnace and heat exchange body top.
Energy-saving hot blast furnace of the present utility model is owing to the structure that adopts coal furnace and heat exchange body to split, and therefore manufacturing, transportation, installation and maintenance are comparatively convenient; Particularly be provided with in the heat exchange body two mutually around the section that waits expansion helical volute air flue evenly, continuously, resistance is little, combustion gas and air are finished the reverse vortex heat transfer process respectively in two volute air flues, so thermal efficiency height, energy-saving effect is remarkable.
Below in conjunction with accompanying drawing the utility model energy-saving hot blast furnace is described in further detail.
Fig. 1 is the longitudinal sectional view of the utility model energy-saving hot blast furnace.
Fig. 2 is the cutaway view of energy-saving hot blast furnace shown in Figure 1 along the A-A line.
As shown in the figure, the utility model energy-saving hot blast furnace comprises coal furnace 1 and heat exchange body 3, and wherein coal furnace comprises stove seat 15, combustion chamber 16 and fire door 17, and combustion chamber 16 is located on the stove seat 15, and fire door 17 is located at the outside of 16 bottoms, combustion chamber; Heat exchange body 3 comprises diaphragm 7, fuel gas inlet 8, hot air outlet 10, blast tube 12, air duct 13, air intlet 21 and gas outlet 22; The split setting of existing side by side about being of coal furnace 1 and heat exchange body 3, coal furnace 1 also comprises air-pre-heating cavity 18, air outlet slit 20 and blast pipe 19, air-pre-heating cavity 18 is located in the coal furnace 1, is looped around outside the combustion chamber 16, and blast pipe 19 is welded on coal furnace 1 shell along on the direction of bus; Heat exchange body 3 bottoms are provided with heat exchange body base 14, and heat exchange body base 14 can be used the concrete casting injection forming.Heat exchange body 3 is a worm frame, its axis position is provided with central airway 6, central airway 6 can be made by steel pipe, be provided with two mutually around at least three blast tube 12 and the air ducts 13 that wait expansion bipitch volute that enclose along central airway 6, combustion gas and air are finished the reverse vortex heat transfer process respectively in two volute air flues, blast tube 12 and air duct 13 can be used steel plate bending welding fabrication.The middle part that is arranged on central airway 6 that diaphragm 7 tilts, fuel gas inlet 8 is positioned at central airway 6 upper right along on the generatrix direction, hot air outlet 10 is positioned at central airway 6 lower left side along on the generatrix direction, be connected with warm-air pipe 11 in central airway 6 bottoms, air intlet 21 is positioned at the left side of heat exchange body 3, and gas outlet 22 is positioned at the right side of heat exchange body 3; Be connected with a pyrotechnics tunnel 2 at coal furnace 1 and heat exchange body 3 tops.Be connected to air-filtering chamber 4 on the blast pipe 19 of coal furnace 1, nylon leaching net 5 is housed on the air inlet of air-filtering chamber 4, air-filtering chamber 4 can be brick mix structure, and nylon leaching net 5 can be 60 orders.Bottom and both sides in pyrotechnics tunnel 2 are provided with cooling jacket 9.Solid arrow shown in the figure-→ expression combustion gas trend, dotted arrow----→ expression air direct.
The heat exchanging process of the utility model energy-saving hot blast furnace is: coal-fired 16 burnings generate through the combustion chamber flame and combustion gas enter heat exchange body 3 through pyrotechnics tunnel 2, enter fuel gas inlet 8 through central airway 6, outwards finish the eddy current heat transfer process along blast tube 12 from the lining afterwards around volute air duct 13, by the air absorbing and cooling temperature after gas outlet 22 draw.
Fresh air enters air-pre-heating cavity 18 through nylon leaching net 5, air-filtering chamber 4, blast pipe 19,16 preheatings through the combustion chamber are after air outlet slit 20 enters the air intlet 21 of heat exchange body 3, outside in finish the eddy current heat transfer process along volute air duct 13 afterwards around volute blast tube 12, by the combustion gas heat temperature raising after hot air outlet 10 enters the cavity of resorption of central airway 6, after warm-air pipe 11 outside heat supplies.
Claims (3)
1. an energy-saving hot blast furnace comprises coal furnace and heat exchange body, and wherein coal furnace comprises stove seat, combustion chamber and fire door, and described combustion chamber is located on the stove seat, and described fire door is located at the outside of bottom, combustion chamber; Described heat exchange body comprises diaphragm, fuel gas inlet, hot air outlet, blast tube, air duct, air intlet and gas outlet; It is characterized in that: the split setting of existing side by side about being of described coal furnace (1) and heat exchange body (3), described coal furnace (1) also comprises air-pre-heating cavity (18), air outlet slit (20) and blast pipe (19), described air-pre-heating cavity (18) is located in the coal furnace (1), be looped around outside the combustion chamber (16), described blast pipe (19) is welded on coal furnace (1) shell along on the direction of bus; Described heat exchange body (3) bottom is provided with heat exchange body base (14), described heat exchange body (3) is a worm frame, its axis position is provided with central airway (6), be provided with two mutually around the blast tube (12) and the air duct (13) that wait expansion bipitch volute of at least three circles along central airway (6), combustion gas and air are finished the reverse vortex heat transfer process respectively in two volute air flues; The middle part that is arranged on described central airway (6) that described diaphragm (7) tilts, described fuel gas inlet (8) is positioned at described central airway (6) upper right along on the generatrix direction, described hot air outlet (10) is positioned at described central airway (6) lower left side along on the generatrix direction, be connected with warm-air pipe (11) in described central airway (6) bottom, described air intlet (21) is positioned at the left side of described heat exchange body (3), and described gas outlet (22) is positioned at the right side of described heat exchange body (3); Be connected with a pyrotechnics tunnel (2) at described coal furnace (1) and heat exchange body (3) top.
2. energy-saving hot blast furnace according to claim 1 is characterized in that: be connected to air-filtering chamber (4) on the blast pipe (19) of described coal furnace (1), nylon leaching net (5) is housed on the air inlet of described air-filtering chamber (4).
3. energy-saving hot blast furnace according to claim 1 is characterized in that: bottom and both sides in described pyrotechnics tunnel (2) are provided with cooling jacket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01228210 CN2482633Y (en) | 2001-06-19 | 2001-06-19 | Energy-saving hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01228210 CN2482633Y (en) | 2001-06-19 | 2001-06-19 | Energy-saving hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2482633Y true CN2482633Y (en) | 2002-03-20 |
Family
ID=33643394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01228210 Expired - Fee Related CN2482633Y (en) | 2001-06-19 | 2001-06-19 | Energy-saving hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2482633Y (en) |
-
2001
- 2001-06-19 CN CN 01228210 patent/CN2482633Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |