CN205949250U - Hot -blast furnace combustion chamber - Google Patents
Hot -blast furnace combustion chamber Download PDFInfo
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- CN205949250U CN205949250U CN201620863640.XU CN201620863640U CN205949250U CN 205949250 U CN205949250 U CN 205949250U CN 201620863640 U CN201620863640 U CN 201620863640U CN 205949250 U CN205949250 U CN 205949250U
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- combustion chamber
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- windshield
- hot blast
- chamber
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Abstract
The utility model discloses a hot -blast furnace combustion chamber, which comprises a housin, the casing is including relative first end and the second end that sets up, the first end with lateral part between the second end, the first end is provided with the flame spraying loophole, the second end is provided with the air outlet, the lateral part of casing is provided with the return air inlet, the flame spraying loophole is equipped with windshield, windshield is fixed in the inner wall of casing, the baffle is fixed in the flame spraying loophole with between the return air inlet, the below of combustion chamber is equipped with hot air channel, the conical scatter plate of baffle fixed mounting. This combustion chamber has been solved inner structure and has been burnt out easily, technical problem that life is short, and the hot -blast circulation this combustion chamber in is good, and life grows, can realize hot -blast cyclic utilization moreover, has improved the energy -conserving effect of hot -blast furnace on the whole.
Description
Technical field
The utility model is related to steel pipe coating equipment technical field, more particularly, to a kind of combustion chamber of hot-blast stove.
Background technology
Inside and outside plastic-coated steel be steel pipe walls melt and dissolved layer of polyethylene (PE) resin, ethylene-acrylic acid copolymer (EAA),
The organic matters such as epoxy (EP) powder, nonpoisonous polypropylene (PP) or non-toxic polyvinyl chloride (PVC) and the composite steel-plastic tubing that constitutes.
Plastic-coated steel not only have the advantages that steel pipe high intensity, easily connect, flow impact resistant, also overcome steel pipe meet water perishable,
Pollution, fouling and plastic tube intensity is high, fire-fighting poor performance the shortcomings of.
Large-diameter steel pipe generally refers to the steel pipe in 300mm～2400mm for the nozzle diameter, can need coating according to different
The plastic coating of the various different performances such as polyvinyl chloride (PVC), polyethylene (PE), epoxy resin (EPOZY).To large-diameter steel pipe
Carry out plastic-coated, the transporting resistance of steel pipe can be reduced, improve flow and transfer efficiency, reduce discharge pressure loss.Heavy caliber applies
Steel pipe is widely used in the engineering fields such as running water, natural gas, oil, chemical industry, medicine, communication, electric power, ocean.
Before inside and outside plastic-coated is carried out to large-diameter steel pipe, need steel pipe is positioned in hot-blast stove and preheated or solidify,
The hot blast of hot-blast stove is supplied by combustion apparatus (combustion chamber).Known combustion chamber generally existing unreasonable structure, with combustion
When burner uses cooperatively, its internal structure is easily burned, and service life is short.
Utility model content
For above deficiency, the utility model provides a kind of combustion chamber of hot-blast stove, during solving to use cooperatively with burner,
Its internal structure is easily burned, the short technical problem of service life, and the indoor hot blast circulation of this burning is good, service life
Long, and it is capable of recycling of hot blast, improve the energy-saving effect of hot-blast stove on the whole.
For solving above-mentioned technical problem, the technical solution of the utility model is：A kind of combustion chamber of hot-blast stove, including housing,
Described housing includes the first end being oppositely arranged and the second end, is side between described first end and described the second end
Portion, described first end is provided with flame jet, and described the second end is provided with air outlet, and the sidepiece of described housing is provided with
Return air inlet, described flame jet is provided with windshield, and described windshield is fixed on the inwall of described housing；Described combustion chamber interior
Wall is provided with dividing plate, and the inner chamber of described combustion chamber is separated into ante-chamber and back cavity, described ante-chamber and described back cavity phase by described dividing plate
Connection, described dividing plate is provided with the scatter plate of taper.
As a kind of improved mode, the side wall of described windshield is provided with air admission hole.
As a kind of improved mode it is characterised in that described housing is provided with observation door, described observation door is located at described
Back cavity.
As a kind of improved mode, described housing is provided with heat-insulation layer.
Using the technique effect acquired by technique scheme it is：
1) because the inwall of combustion chamber is provided with dividing plate and scatter plate, the inner chamber of combustion chamber is separated into and mutually interconnects by this dividing plate
Logical ante-chamber and back cavity, due to the stop of dividing plate, front chamber air is heated into hot blast by the flame that burner sprays, and prevents from burning
The flame that device sprays directly sprays from air outlet and burns associated components, and scatter plate can make hot blast uniform flow to back cavity and air-out
Mouthful.Simultaneously as the sidepiece in combustion chamber is provided with return air inlet, is provided with windshield in the inwall of housing, will heat in hot-blast stove
Wind is reintroduced in combustion chamber and is heated, and has both saved the energy, reduces the temperature of combustion chamber again, improves combustion chamber
Working environment, thus improve its service life.
2) because windshield is provided with air admission hole, the air returned from return air inlet can enter windshield, a side from air admission hole
Face promotes the burning of fuel, on the other hand makes the hot wind flow near windshield in the inner chamber of combustion chamber, it is to avoid because of circulation dead angle
Produce localized hyperthermia and then burn combustion chamber.
Brief description
Fig. 1 is the sectional view of hot-blast stove；
Fig. 2 is the top view of hot-blast stove；
Fig. 3 is the sectional view of B-B direction in Fig. 1；
Fig. 4 is the structural representation of electric overhead door；
Fig. 5 is the structural representation of the side of electric overhead door；
Fig. 6 is the structure sectional view of combustion chamber；
Fig. 7 be in Fig. 1 A-A to sectional view；
Fig. 8 is the schematic diagram of crosswind road scale structure；
In figure, 101- doorframe, 102- electric overhead door, 102a- left-hand door is fanned, the right door leaf of 102b-, the left motor of 103a-,
The right motor of 103b-, 104a- left chain, 104b- right chain, 105- counterweight, the left sprocket shaft of 106a-, the right sprocket shaft of 106b-,
The left sprocket wheel of 107a-, the right sprocket wheel of 107b-, 21- hot blast drying tunnel, 201- air outlet, 204- return air inlet, 205- air supply duct, 208- heat
Wind exports, 209- air -return duct, 291- scale, 292- through hole, 293- return air hole, 210- crosswind road, 211- damper, and 212- returns
Wind passage, 3- housing, 311- flame jet, 312- air outlet, 302- return air inlet, 303- windshield, 304- observes door, 305-
Dividing plate, 306- scatter plate, 313- air admission hole, 314a- ante-chamber, 314b- back cavity, 31- first end, 32- the second end, 33- side
Portion, 4- burner, 5- blower fan.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is further illustrated.
As Fig. 1 to Fig. 3 is jointly shown, a kind of pipe plastic coating hot-blast stove, including hot blast drying tunnel 21 and combustion chamber, combustion chamber position
Outside in hot blast drying tunnel 21.
In conjunction with shown in Fig. 6, combustion chamber of hot-blast stove includes housing 3, and housing 3 includes the first end 31 and second being oppositely arranged
End 32, is sidepiece 33 between first end 31 and the second end 32, and first end 31 is provided with flame jet 311 and is used for pacifying
Dress burner 4, the second end 32 is provided with air outlet 312, and hot blast is discharged from air outlet 312, air outlet 312 connecting fan 5.Shell
The sidepiece 33 of body 3 is provided with return air inlet 302, and hot blast can be reclaimed by return air inlet 302 in combustion chamber, thus realizing the circulation profit of hot blast
With energy saving.Flame jet 311 is provided with windshield 303, and windshield 303 is fixed on the inwall of housing 3, and windshield 303 can
Blown out with the flame preventing flame jet 311.Windshield 303 arranges air admission hole 313, the air returned from return air inlet 302
Windshield 303 can be entered from air admission hole 313, on the one hand promote the burning of fuel, on the other hand make in the inner chamber of combustion chamber near gear
The hot wind flow of fan housing 303, it is to avoid produce localized hyperthermia and then burn combustion chamber because of circulation dead angle.
Fix combuster dividing plate 305 between flame jet 311 and air outlet 312, burnt with the blade preventing blower fan 5
Bad.The inner chamber of combustion chamber is separated into ante-chamber 314a and back cavity 314b by dividing plate 305, and ante-chamber 314a is connected with back cavity 314b, makes
Hot blast can flow into back cavity 314b from ante-chamber 314a.Combustion chamber dividing plate 305 fixedly mounts the scatter plate 306 of taper, can be by heat
Wind scatters to the inner chamber of combustion chamber.Housing 3 is provided with the observation door 304 positioned at back cavity 314b, can be by observing door 304 to combustion
Burn room to be overhauled.Combustion chamber is connected with burner 4, and it is indoor that flame is ejected into burning by burner 4.Housing 3 coats heat-insulation layer,
Combustion chamber heat is reduced and runs off.
Jointly shown in conjunction with Fig. 1, Fig. 4 and Fig. 5, two ends of hot blast drying tunnel 21 are respectively arranged with electric overhead door
102.Electric overhead door 102 includes doorframe 101.The top of doorframe 101 is provided with left sprocket shaft 106a and right sprocket shaft 106b, left
Sprocket wheel 107a has two or more, and left sprocket wheel 107a is arranged at left sprocket shaft 106a；Right sprocket wheel 107b has two or two
More than, right sprocket wheel 107b is arranged at right sprocket shaft 106b.Left motor 103a is connected with left sprocket shaft 106a, right motor 103b with right
Sprocket shaft 106b connects.Left sprocket wheel 107a is provided with left chain 104a, and one end of left chain 104a is connected with left-hand door fan 102a, separately
One end connects left counterweight 105；Right sprocket wheel 107b is provided with right chain 104b, and one end of right chain 104b is with right door leaf 102b even
Connect, the other end connects right counterweight 105.Left-hand door fan 102a and right door leaf 102b is vertically slideably positioned in the recessed of doorframe 101
In groove, so that overhead door simple gate is lifted by controlling left motor 103a and right motor 103b, also can two-door lift simultaneously, can be effective
Reduce the heat losses when overhead door is opened for the hot-blast stove.Left chain 104a and right chain 104b is connected to counterweight 105, makes
The operation opening hot-blast stove is light.Travel switch or proximity switch are provided with doorframe 101,102a and You Men can be fanned to left-hand door
Fan the lifting of 102b or decline the effect playing safe spacing.
As Fig. 1 to Fig. 3 is jointly shown, the top of hot blast drying tunnel 21 is provided with return air inlet 204, and the both sides of hot blast drying tunnel 21 are divided
It is not provided with air outlet 201, the air outlet 201 of hot blast drying tunnel 21 both sides is symmetrical arranged, hot blast dispersion can be made, evenly into heat
In wind drying tunnel 21.Air outlet 312 connecting fan 5 of combustion chamber the air outlet 201 by air supply duct 205 and hot blast drying tunnel 21
Connection, is provided with damper 211 in air supply duct 205, can make entering of hot blast drying tunnel 21 both sides by adjusting damper 211
Wind velocity is consistent.The madial wall of hot blast drying tunnel 21 is provided with the crosswind road 210 of the air outlet 201 of connection hot blast drying tunnel 21, side
Air channel 210 is provided with multiple hot-blast outlets 208, and the hot-blast outlet 208 in crosswind road 210 is towards the bottom of hot blast drying tunnel 21.Hot blast
Blow out downwards from hot-blast outlet 208 and move upwards again, so that hot blast is uniformly distributed in whole hot blast drying tunnel 21.Hot blast drying tunnel 21
Return air inlet 204 is connected with the return air inlet 302 of combustion chamber by return air channel 212.
Jointly shown in conjunction with Fig. 7 and Fig. 8, hot blast drying tunnel 21 inside top is provided with connection hot blast drying tunnel 21 and return air inlet
204 air -return duct 209, air -return duct 209 is densely covered with return air hole 293, and the hot blast in hot blast drying tunnel 21 can be gathered by air -return duct 209
Return air hole 293 flow out from the return air inlet 204 of hot blast drying tunnel 21 again, make hot blast relatively evenly flow out hot blast drying tunnel 21.Return air
The hole wall in hole 293 is provided with scale 291, by adjusting the size in the gap between return air hole 293 and scale 291, can adjust heat
The flow of wind.Scale 291 offers through hole 292, completely encloses under the situation of return air hole 293 in scale 291, and hot blast can be by logical
Hot blast drying tunnel 21 is flowed out in hole 292.In addition, also through hole 292 can be caught on by the instrument of buckle realizing to scale 291 position
Adjust.
Operation principle of the present utility model：
Flame is injected to by flame jet 311 that burning is indoor by burner 4, blower fan 5 by combustion chamber hot blast give
Enter in hot blast drying tunnel 21, hot blast enters hot blast drying tunnel 21 from the bottom of hot blast drying tunnel 21, moves then up, makes hot blast drying tunnel 21
Interior temperature raises, and hot blast is flowed out through return air inlet 204 by the air -return duct 209 of hot blast drying tunnel 21 inside top, then passes through return air
The return air inlet 302 of passage 212 and combustion chamber flows back to combustion chamber, after the hot blast that hot blast drying tunnel 21 flows back to is heated again, enters
Next flow circuit process.
Above example be the utility model preferred embodiment, not in order to limit the utility model, every in this reality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in of the present utility model
In protection domain.
Claims (4)
1. a kind of combustion chamber of hot-blast stove is it is characterised in that include：
Housing, described housing includes the first end being oppositely arranged and the second end, described first end and described the second end
Between be sidepiece, described first end is provided with flame jet, and described the second end is provided with air outlet, the side of described housing
Portion is provided with return air inlet, and described flame jet is provided with windshield, and described windshield is fixed on the inwall of described housing；
The inwall of described combustion chamber is provided with dividing plate, and the inner chamber of described combustion chamber is separated into ante-chamber and back cavity, institute by described dividing plate
State ante-chamber to be connected with described back cavity, described dividing plate is provided with the scatter plate of taper.
2. combustion chamber of hot-blast stove as claimed in claim 1 is it is characterised in that the side wall of described windshield is provided with air admission hole.
3. combustion chamber of hot-blast stove as claimed in claim 1 is it is characterised in that described housing is provided with observation door, described observation
Door is located at described back cavity.
4. combustion chamber of hot-blast stove as claimed in claim 1 is it is characterised in that described housing is provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863640.XU CN205949250U (en) | 2016-08-10 | 2016-08-10 | Hot -blast furnace combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863640.XU CN205949250U (en) | 2016-08-10 | 2016-08-10 | Hot -blast furnace combustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205949250U true CN205949250U (en) | 2017-02-15 |
Family
ID=57975780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620863640.XU Active CN205949250U (en) | 2016-08-10 | 2016-08-10 | Hot -blast furnace combustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205949250U (en) |
-
2016
- 2016-08-10 CN CN201620863640.XU patent/CN205949250U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ceramic gas burner for combustion chamber of hot-blast stove Effective date of registration: 20190617 Granted publication date: 20170215 Pledgee: Shandong Gaomi rural commercial bank Limited by Share Ltd Pledgor: GAOMI TIANYI MACHINERY TECHNOLOGY CO., LTD. Registration number: 2019980000094 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210426 Granted publication date: 20170215 Pledgee: Shandong Gaomi rural commercial bank Limited by Share Ltd. Pledgor: Gaomi Tianyi Machinery Technology Co.,Ltd. Registration number: 2019980000094 |