CN105588437B - A kind of industrial furnace being rapidly heated - Google Patents
A kind of industrial furnace being rapidly heated Download PDFInfo
- Publication number
- CN105588437B CN105588437B CN201610132821.XA CN201610132821A CN105588437B CN 105588437 B CN105588437 B CN 105588437B CN 201610132821 A CN201610132821 A CN 201610132821A CN 105588437 B CN105588437 B CN 105588437B
- Authority
- CN
- China
- Prior art keywords
- gas
- combustion chamber
- burner
- economizer bank
- air inlet
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
A kind of industrial furnace being rapidly heated, including body of heater (1), fire door (2), flue (3), exhaust opening (4), housing (5), combustion chamber (6), burner (7) and air inlet (8), also include economizer bank (10), the economizer bank (10) includes horizontal channel (101) and Vertical Channel (102), and the horizontal channel (101) is arranged in flue (3)；The gas that the port of export of Vertical Channel (102) sprays forms gas curtain (12), and the gas curtain (12) covers the air inlet (8)；The combustion chamber (6) also includes the first combustion chamber (62) and the second combustion chamber (63), and the side wall b (630) of second combustion chamber offers the sidewall opening (631) that supplied gas flows through；The heating furnace improves the speed heated in initial heating, overall structure is simple by setting combustion chamber and gas curtain.
Description
Technical field
The present invention relates to a kind of heating furnace, more particularly to one kind to be used to directly be rapidly heated by the use of burner as thermal source
Industrial furnace.
Background technology
Industrial furnace is widely used in many occasions, including electric furnace, heating furnace, life as a kind of conventional industrial products
Material retort etc..In use, it is sometimes necessary to some metal works are heat-treated, heated in the prior art
Thermal source can be electrical heating, fuel Heating or gas heating, and the usual industrial furnace includes body of heater 1 ', burner 7 ' and combustion air
Import 601 ', body of heater 1 ' is interior to be provided with the closed container 9 ' with heating space 90 ', and pending object 91 ' is put into 90 '
Row heat treatment.In actual use, burner 7 ' is arranged on the side of closed container 9 ' and is heated at high temperature, because of its setting
Problem, the heating surface (area) (HS of burner 7 ' is limited, and especially during initial heating, causes closed container 9 ' and high temperature heat source
The portion temperature of contact is uneven, and programming rate is slow during most starting, and influences to heat effect, so that at metal fever
It is bad to manage effect.
The content of the invention
It is an object of the invention to provide a kind of industrial furnace being rapidly heated, the heating furnace is by setting combustion chamber gentle
Body heavy curtain, improves the temperature uniformity of the speed heated in initial heating and subsequent heat, and overall structure is simple.
In order to achieve the above object, the present invention provides a kind of industrial furnace being rapidly heated, including body of heater, fire door, flue,
Exhaust opening, housing, combustion chamber, burner and air inlet, the fire door can open or close, and the housing includes side wall a, opening
And receiving space, the burner combustion produce high-temperature flue gas and the heating chamber of the housing inner housing space are carried out at heating
Reason, the combustion chamber include combustion space, and the burner is located at the combustion space；The air inlet is empty positioned at the burning
Between rear side and communicated with the combustion chamber air inlet of the combustion space；Also include economizer bank, one end preheating of the economizer bank
Pipe import is arranged on the outside of body of heater, and its other end is located at described air inlet one end, and the economizer bank includes horizontal channel and led to vertically
Road, the horizontal channel are arranged in the flue；The gas that the port of export of the Vertical Channel sprays forms gas curtain, the gas
Body heavy curtain covers the air inlet, and will can be entered to after the air heating of outside in the air inlet；The high-temperature flue gas
Flow out through flue and discharged by exhaust opening；The combustion chamber also includes the first combustion chamber and the second combustion chamber, second burning
The side wall b of room offers the sidewall opening that supplied gas flows through, and the front of second combustion chamber offers open top, and described
The front of two combustion chambers offers open top.
The beneficial effect of the technical program：
(1) compared with prior art, the present invention is provided with economizer bank, can by economizer bank into combustion space for fuel or
It is air, realizes dual-purpose；When body of heater requires supplementation with fuel, supplement fuel can be provided it, at the same time, can also be passed through sky
Gas, oxygen or other gases support burning.At the same time, the gas forms gas curtain, and the gas curtain can heat will
Into the gas temperature of the air inlet, the heat utilization efficiency of system is added.
(2) compared with prior art, the present invention in initial warm, high-temperature flue gas caused by burner combustion with
The air being preheated enters the second combustion chamber progress secondary firing after entering the first combustion chamber, is finally opened by sidewall opening and top
Mouthful discharge is heated to heating chamber, after secondary firing, fuel gas buring more fully, and the radius of two-stage combustion room is not
Together, it can increase residence time of the flue gas in combustion chamber, a certain degree of mixed flow formed therein that, after again by shunting,
Its flow velocity is uniform, high-temperature flue gas is divided into two-way and carries out difference heating to heating room side wall and bottom wall central position respectively, through examination
Test table to show, its initial programming rate improves a lot compared with prior art.
As a kind of embodiment, the Vertical Channel includes transition bend pipe and shower nozzle, and the shower nozzle and the level are logical
Road is towards the angled setting in body of heater direction.During work, gas sprays along gradient direction, is transported towards air inlet with certain speed
OK, negative pressuren zone is formed in its vicinity, and the gas of air inlet rapidly enters in the presence of negative pressuren zone supports heat supply in combustion chamber.
As a kind of embodiment, the airway tube includes the first airway tube and the second airway tube, first airway tube
With stagger setting above and below the second airway tube, and its port of export is correspondingly arranged and forms first gas heavy curtain and second gas heavy curtain.
First gas heavy curtain and second gas heavy curtain can increase width of the gas curtain in horizontal direction, enhance making for gas curtain
Use effect.
As a kind of embodiment, the heating chamber has heating space, and the material of heat treatment to be added is placed in the heating
In space.It is confined space that the heating space does not enter gas to exchange with the external world in the course of the work, and material carries out high in it
Temperature heating, the material can be metal, naturally it is also possible to be nonmetallic, such as biomass straw, sludge, oily sludge, animal corpse
Body, Biohazard Waste etc. need to carry out the material of high-temperature process.
As a kind of embodiment, the sidewall opening is circular hole or groove.
As a kind of embodiment, the burner is neat gas burner, and one is provided with the nozzle of the burner
Baffle plate is classified as first jet and second nozzle.The fuel flow rate of first jet will be less than second nozzle, in that case,
The flame profile of burner is more stable, and its fan-shaped radius that burns is higher, and is not easy to stop working.
As a kind of embodiment, in addition to supplement cartridge, the supplement cartridge is located at the centre bit of the nozzle
Place is put, its outer wall is provided with spoiler, and the spoiler is located at the front of the baffle plate, and mixed gas is distinguished after spoiler is cut
Flow into first jet and second nozzle；The supplement cartridge can carry out appropriate concurrent heating, improve the continuity of heat supply.
As a kind of embodiment, the radial height h1 of the spoiler is less than the radial height h2 of the second nozzle,
And the h1 and h2 ratio is 1/3~2/3.Spoiler can preferably control first jet and second nozzle in this case
The ratio range of fuel flow rate so that its using effect is more preferable.
Brief description of the drawings
For the technical scheme of the clearer explanation embodiment of the present invention, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings discussed below is only some embodiments of the present invention, for ability
For the those of ordinary skill in domain, on the premise of not paying creative work, it is attached other can also to be obtained according to these accompanying drawings
Figure.
Fig. 1 is the overall structure diagram of heating furnace prior art；
Fig. 2 is the structural representation of the industrial furnace being rapidly heated of embodiment one；
Fig. 3 is the structural representation of the industrial furnace economizer bank being rapidly heated of embodiment one；
Fig. 4 is the structural representation of the combustion chamber of embodiment one；
Fig. 5 is the structural representation of another embodiment in the combustion chamber of embodiment one；
Fig. 6 is the structural representation of the neat gas burner nozzle of embodiment one；
Fig. 7 is the structural representation of another view direction of neat gas burner nozzle of embodiment one；
Fig. 8 is the structural representation of another embodiment of neat gas burner nozzle；
Fig. 9 is the structural representation of the heating pipe of embodiment one；
Figure 10 is temperature ramp figure in the heating space of embodiment one.
Figure 11 is the structural representation of another embodiment of airway tube；
Figure 12 is another embodiment partial view of stove airway tube.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely illustrated below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 is the overall structure diagram of heating furnace prior art；Fig. 2 is the industrial furnace being rapidly heated of embodiment one
Structural representation；Fig. 3 is the structural representation of the heating furnace heat conducting pipe that is rapidly heated of embodiment one；Fig. 4 is that embodiment one is fired
Burn the structural representation of room；Fig. 5 is the structural representation of another embodiment in the combustion chamber of embodiment one；Fig. 6 is that embodiment one is natural
The structural representation of air burner nozzle；Fig. 7 is the structural representation of another view direction of neat gas burner nozzle of embodiment one
Figure；Fig. 8 is the structural representation of another embodiment of neat gas burner nozzle；Fig. 9 is the knot of the circulating water pipeline of embodiment one
Structure schematic diagram；Figure 10 is temperature ramp figure in the heating space of embodiment one.
As shown in Fig. 2 a kind of industrial furnace being rapidly heated, including body of heater 1, fire door 2, flue 3, exhaust opening 4, housing 5,
Combustion chamber 6, burner 7 and air inlet 8, the fire door 2 can open or close, the housing 5 include side wall a50, opening 51 and
Receiving space 52, the burning of burner 7 produce high-temperature flue gas and the heating chamber 9 of the inner housing space 52 of housing 5 are added
Heat treatment, the combustion chamber 6 include combustion space 60, and the burner 7 is located at the combustion space 60；The air inlet 8
In the combustion space 60 rear side and communicated with the combustion chamber air inlet 601 of the combustion space 60.
As shown in Figures 2 and 3, in addition to economizer bank 10, one end economizer bank import 100 of the economizer bank 10 are arranged on stove
The outside of body 1, its other end are located at described one end of air inlet 8, and the economizer bank 10 includes horizontal channel 101 and Vertical Channel 102, should
Horizontal channel 101 is arranged in the flue 3；The gas that the port of export of the Vertical Channel 102 sprays forms gas curtain 12,
The gas curtain 12 covers the air inlet 8, and will can be entered to after the air heating of outside in the air inlet 8；It is described
High-temperature flue gas flows out through flue 3 and discharged by exhaust opening 4.Wherein, it is pre- to include the first economizer bank 103 and second for the economizer bank 10
Heat pipe 104, the economizer bank of the first economizer bank 103 and second stagger setting about 104, and its port of export is correspondingly arranged and formed
First gas heavy curtain 121 and second gas heavy curtain 122.Wherein, the heating chamber 9 has heating space 90, the place to be heated
The material of reason is placed in the heating space 90.
As shown in Figures 4 and 5, the combustion chamber 6 also includes the first combustion chamber 62 and the second combustion chamber 63, second combustion
The side wall b630 for burning room offers the sidewall opening 631 that supplied gas flows through, and the front of second combustion chamber 63 offers top
Opening 632.
In the present embodiment, the sidewall opening 631 is circular hole or groove, certainly when sidewall opening is circular hole, air-flow stream
When logical, it is evenly compared with groove；But groove profile hole machined is relatively simple, cost is low.
As shown in fig. 6, wherein, the burner 7 is neat gas burner, is provided with the nozzle 70 of the burner 7
One baffle plate 71 is classified as first jet 72 and second nozzle 73.Also include supplement cartridge 74, the supplement cartridge 74
In the center position of the nozzle 70, its outer wall is provided with spoiler 75, and the spoiler 75 is located at the front of the baffle plate 71,
Gas separately flows into first jet 72 and second nozzle 73 after the cutting of spoiler 75.Wherein, the radial direction of the spoiler 75 is high
The radial height h2 that h1 is less than the second nozzle 73 is spent, and the h1 and h2 ratio is 2/3, certain ratio can be according to reality
The adjustment of border situation, ratio is smaller, flows through that the air-flow of second nozzle 73 is bigger, and fuel is more sufficient, the temperature at its burner flame center
It is higher；Ratio is bigger, flows through the air-flow velocity relative reduction of second nozzle 73, can according to circumstances adjust adjusted different fuel
When, the stability of flame.
As shown in fig. 7, the stagger setting of baffle plate 71, baffle plate 71 is fixedly installed on the supplement cartridge 74.Such as Fig. 8
Shown, the 71 tapered structure of baffle plate, the pyramidal structure can adjust the flow velocity of air-flow, taper may be selected according to actual conditions
Structure or column construction.As shown in figure 9, also including heating pipe 20, the heating pipe 20 is arranged in the flue 3, heating
Water or other liquid in pipeline 20 are heated the recycling for realizing flue gas heat.
Certainly, as shown in FIG. 11 and 12, the Vertical Channel 102 includes transition bend pipe 1020 and shower nozzle 1021, described
Shower nozzle 1021 and the horizontal channel 101 are towards the angled setting in body of heater direction.The airway tube of first airway tube 103 and second
About 104 stagger settings, and its port of export is correspondingly arranged and forms first gas heavy curtain 121 and second gas heavy curtain 122；The gas
Body heavy curtain has the consistent direction of motion, can air intake epistome formed negative pressure region, gas can quickly through and enter burn
Indoor support burning.
During the use of reality, inventor is provided with temp probe in heating space, and Figure 10 is embodiment one
Space temperature heating rate figure is heated, as shown in Figure 10, in the case of using essentially identical fuel, uses the technical program
Its heating curve is b lines, is compared compared with prior art a lines, its programming rate is very fast.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, can readily occur in using of the present invention
A kind of industrial furnace being rapidly heated, should all be included within the scope of the present invention.Therefore, protection scope of the present invention
It should be defined by the protection domain of claims.
Claims (6)
1. a kind of industrial furnace being rapidly heated, including body of heater (1), fire door (2), flue (3), exhaust opening (4), housing (5), combustion
Burning room (6), burner (7) and air inlet (8), the fire door (2) can open or close, and the housing (5) includes side wall a
(50), be open (51) and receiving space (52), and burner (7) burning produces high-temperature flue gas to being accommodated in the housing (5)
The heating chamber (9) in space (52) is heated, it is characterised in that the combustion chamber (6) includes combustion space (60), described
Burner (7) is located at the combustion space (60)；The air inlet (8) be located at the rear side of the combustion space (60) and with it is described
The combustion chamber air inlet (601) of combustion space (60) communicates；Also include economizer bank (10), one end preheating of the economizer bank (10)
Pipe import (100) is arranged on the outside of body of heater (1), and its other end is located at the air inlet (8) one end, and the economizer bank (10) includes water
Flat passage (101) and Vertical Channel (102), the horizontal channel (101) are arranged in the flue (3)；The Vertical Channel
(102) gas that the port of export sprays forms gas curtain (12), and the gas curtain (12) covers the air inlet (8), and
It will can be entered to after the air heating of outside in the air inlet (8)；The high-temperature flue gas flows out through flue (3) and by exhaust opening
(4) discharge；The combustion chamber (6) also includes the first combustion chamber (62) and the second combustion chamber (63), the side of second combustion chamber
The sidewall opening (631) that the supplied gas that wall b (630) offers flows through, the front of second combustion chamber (63) offer top and opened
Mouth (632)；
The Vertical Channel (102) includes transition bend pipe (1020) and shower nozzle (1021), the shower nozzle (1021) and the level
Passage (101) is towards the angled setting in body of heater direction；
The economizer bank (10) includes the first economizer bank (103) and the second economizer bank (104), first economizer bank (103) and
Second leads economizer bank (104) stagger setting up and down, and its port of export is correspondingly arranged and forms first gas heavy curtain (121) and second
Gas curtain (122).
2. a kind of industrial furnace being rapidly heated according to claim 1, it is characterised in that the heating chamber (9) has
Heat space (90), the material of heat treatment to be added is placed in heating space (90).
A kind of 3. industrial furnace being rapidly heated according to claim 1, it is characterised in that the sidewall opening (631)
For circular hole or groove.
A kind of 4. industrial furnace being rapidly heated according to any one of claims 1 to 3, it is characterised in that the burner
(7) it is neat gas burner, being provided with a baffle plate (71) in the nozzle (70) of the burner (7) is classified as first jet
And second nozzle (73) (72).
5. a kind of industrial furnace being rapidly heated according to claim 4, it is characterised in that also include supplement cartridge
(74), the supplement cartridge (74) is located at the center position of the nozzle (70), and its outer wall is provided with spoiler (75), should
Spoiler (75) is located at the front of the baffle plate (71), and mixed gas separately flows into first jet after spoiler (75) cutting
And second nozzle (73) (72).
A kind of 6. industrial furnace being rapidly heated according to claim 5, it is characterised in that the footpath of the spoiler (75)
It is less than the radial height h2 of the second nozzle (73) to height h1, and the h1 and h2 ratio is 1/3~2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132821.XA CN105588437B (en) | 2016-03-09 | 2016-03-09 | A kind of industrial furnace being rapidly heated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132821.XA CN105588437B (en) | 2016-03-09 | 2016-03-09 | A kind of industrial furnace being rapidly heated |
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| Publication Number | Publication Date |
|---|---|
| CN105588437A CN105588437A (en) | 2016-05-18 |
| CN105588437B true CN105588437B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610132821.XA Active CN105588437B (en) | 2016-03-09 | 2016-03-09 | A kind of industrial furnace being rapidly heated |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321926A (en) * | 1970-07-10 | 1973-07-04 | Tokyo Gas Co Ltd | High velocity gas burner and heating furnace provided with such a gas burner |
| US4214866A (en) * | 1978-12-06 | 1980-07-29 | Midland-Ross Corporation | Burner for high temperature combustion air |
| JP2005164095A (en) * | 2003-12-01 | 2005-06-23 | Shinodaya:Kk | Smoking exhaust gas utilizing method |
| CN102269408A (en) * | 2011-05-18 | 2011-12-07 | 威海正通节能科技有限公司 | High-efficiency and energy-saving combustor assembly |
| CN103343969A (en) * | 2013-07-30 | 2013-10-09 | 刘仁昌 | Energy-efficient environment-friendly preheating inner flame type burner |
| CN104359112A (en) * | 2014-11-28 | 2015-02-18 | 合肥工业大学 | High-temperature incinerator combustion hood air curtain protection system |
| CN205825709U (en) * | 2016-03-09 | 2016-12-21 | 浙江尚鼎工业炉有限公司 | A kind of industrial furnace being rapidly heated |
-
2016
- 2016-03-09 CN CN201610132821.XA patent/CN105588437B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321926A (en) * | 1970-07-10 | 1973-07-04 | Tokyo Gas Co Ltd | High velocity gas burner and heating furnace provided with such a gas burner |
| US4214866A (en) * | 1978-12-06 | 1980-07-29 | Midland-Ross Corporation | Burner for high temperature combustion air |
| JP2005164095A (en) * | 2003-12-01 | 2005-06-23 | Shinodaya:Kk | Smoking exhaust gas utilizing method |
| CN102269408A (en) * | 2011-05-18 | 2011-12-07 | 威海正通节能科技有限公司 | High-efficiency and energy-saving combustor assembly |
| CN103343969A (en) * | 2013-07-30 | 2013-10-09 | 刘仁昌 | Energy-efficient environment-friendly preheating inner flame type burner |
| CN104359112A (en) * | 2014-11-28 | 2015-02-18 | 合肥工业大学 | High-temperature incinerator combustion hood air curtain protection system |
| CN205825709U (en) * | 2016-03-09 | 2016-12-21 | 浙江尚鼎工业炉有限公司 | A kind of industrial furnace being rapidly heated |
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| Publication number | Publication date |
|---|---|
| CN105588437A (en) | 2016-05-18 |
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Effective date of registration: 20191204 Address after: 314300 No. 58, Wangzhuang Section, No. 01 Provincial Road, Haiyan Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Ansheng Automobile Parts Co., Ltd. Address before: 313100, Zhejiang, Huzhou Changxing County forest town industrial concentration area Patentee before: Zhejiang Shangding Industrial Furnace Co., Ltd. |