CN202730181U - Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products - Google Patents
Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products Download PDFInfo
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- CN202730181U CN202730181U CN 201220264792 CN201220264792U CN202730181U CN 202730181 U CN202730181 U CN 202730181U CN 201220264792 CN201220264792 CN 201220264792 CN 201220264792 U CN201220264792 U CN 201220264792U CN 202730181 U CN202730181 U CN 202730181U
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- dolly
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000004411 aluminium Substances 0.000 title claims abstract description 42
- 238000010438 heat treatment Methods 0.000 title claims abstract description 42
- 238000000137 annealing Methods 0.000 title claims abstract description 32
- 238000005097 cold rolling Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000000567 combustion gas Substances 0.000 claims abstract description 9
- 230000007613 environmental effect Effects 0.000 claims description 15
- 239000002737 fuel gas Substances 0.000 claims description 15
- 239000012774 insulation material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 7
- 239000010731 rolling oil Substances 0.000 abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 235000010210 aluminium Nutrition 0.000 description 29
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses an energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products, and belongs to heat treatment equipment. The energy saving and environment protecting annealing furnace used for the gas heating of the cold rolling aluminium products comprises a furnace body, a trolley, a rail, a draught fan, a motor, a thermocouple and an electric control box, and is characterized by designing a gas heating system with below structure which comprises a combustion chamber, a combustion head, a combustor with a combustion situation automatic regulating system, a combustion gas pipe, an air inlet pipe, a hot-blast main pipe and an access hole. The air outlet port of the draught fan is communicated with the air inlet pipe of a combustion gas heat system, and the air inlet of the draught fan is communicated with an air return main pipe in the internal chamber of the furnace body. At least an upper row and a lower row of air return ports communicated with the air return main pipe are designed on a furnace wall of one side of the internal chamber of the furnace body, and at least an upper row and a lower row of hot air ports communicated with the hot-below main pipe are designed on a furnace wall of the other side of the internal chamber of the furnace body. After a trial, compared with an existing annealing furnace adopted a hot chromium resistance electrified heating device, the energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products greatly reduces energy cost more than 70%, and completely eradicates the environmental pollution possibility caused by volatile releasing of the rolling oil on the surface of cold rolling aluminium products in a heating process.
Description
Technical field: the utility model belongs to thermal treatment equipment, particularly a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium.
Background technology: annealing is that workpiece is heated to proper temperature, adopts different soaking times according to material, then carries out Slow cooling, and purpose is the metal inside tissue is reached or near equilibrium state, to obtain good processing performance and use properties.Existing heating system for cold rolling aluminium Rebuild of Heat-treatment Annealing Furnace adopts nichrome resistance electrified heating device, an electric heating device power 180-200KW who processes the annealing furnace of 10 tons of cold rolling aluminiums, add that fan blade is arranged in the stove, forms 2 mixed wind blower fans that respectively need the 63KW driven by motor that the hot blast that mixes in the stove is used, total power consumption reaches more than the 300KW; And because cold rolling aluminium must add ROLLING OIL in the operation of rolling, this organism that contains oxious component, the surface that is attached to the cold rolling aluminium of finished product enters Rebuild of Heat-treatment Annealing Furnace together, and the loss of volatilizing in heat-processed causes environmental pollution.
This shows, study and the energy consumption cost that designed a kind of decrease, and don't can cause environmental pollution improvement the fuel gas heating energy-saving environmental protection annealing furnace that is used for cold rolling aluminium be necessary.
The utility model content: the purpose of this utility model is to overcome the deficiencies in the prior art, studies and the energy consumption cost that designed a kind of decrease, and don't can cause the fuel gas heating energy-saving environmental protection annealing furnace that is used for cold rolling aluminium of environmental pollution.
The technical solution of the utility model is: a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium, comprise the body of heater that thermal insulation material consists of, carry dolly and dolly track with aluminium, impel the resisting blower that warm air mixes and circular flow is used in the stove, fan provides the motor of power, in order to detect the thermopair that temperature is used in the stove, with motor, the electric control box of thermopair electrical connection, it is characterized in that being designed with the gas heating system that comprises following structure: the combustion chamber, has the combustion head that is positioned at the bottom, combustion chamber, the burner of combustion conditions varitrol, the gas line of supplied burner combustion gas, be positioned at combustion chamber bottom, be communicated in the blast pipe of fan outlet, be positioned at top, combustion chamber one side, be communicated in the hot-blast main of body of heater inner chamber, the combustion chamber is designed with access opening near on the sidewall of bottom; Described fan outlet is communicated in the blast pipe of gas heating system, and air inlet is communicated in and passes the return air house steward that the furnace wall passes into the body of heater inner chamber; Be designed with on the described body of heater inner chamber one wing furnace wall at least up and down and 2 arrange the return air inlet that is communicated with the return air house steward; Be designed with at least up and down 2 hot-air mouths of arranging, being communicated with the hot-blast main on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet.
The purpose of this utility model can also take following further technical measures to realize:
Described thermopair is matched with the combustion conditions varitrol through electric control box.The technique effect of this design is to reach the temperature that annealing technology requires when the thermopair that is positioned at stove detects, through electric control box the combustion conditions varitrol is sent instruction that reduce to use the combustion gas that pipeline supplies with, the gas quantity that enters combustion head reduces to only need be kept interior the keeping of temperature of stove and add heat.
The described hot-air mouth that is communicated with the hot-blast main, be arranged in hot-air channel that the hot-blast main communicates on, by its big or small hot-air mouth of the little gate control of hot-air mouth movably.The described return air inlet that is communicated with the return air house steward, be arranged on the return air channel that communicates with the return air house steward, by its big or small return air inlet of the little gate control of return air inlet movably.The technique effect of these two designs is selected the upper and lower position of inboard wall of furnace body by heat, return air channel, wicket control heat on mobile heat, the return air inlet, the size of return air amount comprise the temperature head allowed band that four jiaos temperature head everywhere requires less than annealing technology to reach the body of heater inner chamber.
The described hot-air channel that communicates with the hot-blast main or the position of return air channel on the body of heater intracavity sidewall that communicates with the return air house steward are higher than at least carries the distance of leaving body of heater inner chamber ground with the dolly panel of aluminium.The technique effect of this design is both to have avoided entering the high temperature air of body of heater inner chamber to the damage of dolly bottom roller centre bearer from the hot-air mouth of hot-air channel, just allows again hot blast heat up or be incubated for being loaded in pending aluminium on the dolly.
In the described year dolly and dolly usefulness track with aluminium, its intermarginal crack of panel four avris is matched with body of heater inner chamber wall after dolly enters in the stove fully.The technique effect of this design is to make the relative seal isolation in the upper and lower space of dolly panel, and both having reduced the body of heater inner chamber needs the space of heating up, being incubated and reduce energy consumption; Avoided again dolly bottom roller centre bearer Yin Gaowen to damage.
Dolly and dolly with aluminium were attached with the thermal insulation layer that thermal insulation material consists of below the panel of dolly in the track in described year.The technique effect of this design be both improved the body of heater inner chamber need the dolly that heats up, be incubated panel above space heat insulation effect and reduce energy consumption; Avoided again the excess Temperature of dolly lower space to cause the damage of trolley idler wheels centre bearer.
The dynamic running process of the fuel gas heating energy-saving environmental protection annealing furnace that is used for cold rolling aluminium that the utility model is implemented to obtain is as follows:
To treat the cold rolling aluminium of anneal, be loaded on the dolly such as the aluminum strip of rolling, push predetermined position in the stove along track, close fire door; Through the electric control box starter motor, drive fan operation; Open the valve ignition combustion device of liquefied gas pipeline, the combustion head that is positioned at the combustion chamber jets out flames, will be by way of the air heating of burning number chamber; Along the hot-blast main, enter stove from the many heat extractions air port that is positioned on the body of heater inner chamber furnace wall that is communicated with the hot-blast main, heat up for gradually the cold rolling aluminium for the treatment of anneal at the air of heating under the ordering about of blower fan; Because the blast inlet of blower fan is communicated in and passes the return air house steward that the furnace wall passes into the body of heater inner chamber, and that the return air house steward is communicated with is relative with hot-air mouth with many rows, be positioned at the air port that flows back on the body of heater inner chamber furnace wall more, heated the air after the cooling of the cold rolling aluminium of anneal, in company with the organism that contains oxious component of the ROLLING OIL volatilization loss of the cold rolling aluminium material surface for the treatment of anneal, sucked by blower fan together; Enter the combustion chamber through fan outlet along the blast pipe of gas heating system immediately, in the flame of combustion head ejection, air after the cooling obtains heating, at the air of heating under the ordering about of blower fan along the hot-blast main, enter stove from the many heat extractions air port that is positioned on the body of heater inner chamber furnace wall that is communicated with the hot-blast main, treated that the cold rolling aluminium of anneal heats up again gradually, so circulation.
Meanwhile, obtained burning by the organism that contains oxious component of the ROLLING OIL volatilization loss of blower fan suction combustion chamber together, the burning of the organism that contains oxious component in the combustion chamber of ROLLING OIL volatilization loss, the consumption of combustion gas that both produced saving of heat, the more important thing is and stopped its loss of in heat-processed, volatilizing, cause the possibility of environmental pollution.
Temperature reaches the temperature of annealing technology requirement in the stove in order to make, and is incubated for some time, and the burner that has the combustion conditions varitrol in temperature-rise period uses in full amount the liquefied gas of pipeline supply; When detecting, the thermopair that is positioned at stove reaches the temperature that annealing technology requires, through electric control box the combustion conditions varitrol is sent instruction that reduce to use the combustion gas that pipeline supplies with, the gas quantity that enters combustion head reduces to only need be kept interior the keeping of temperature of stove and add heat.
The fuel gas heating energy-saving environmental protection annealing furnace that is used for cold rolling aluminium that the utility model is implemented to obtain through on probation, adopts the annealing furnace of nichrome resistance electrified heating device to compare with existing for cold rolling aluminium thermal treatment, heating system, has shown following beneficial effect:
1, decrease energy consumption cost.Take the annealing furnace of 10 tons of cold rolling aluminiums of same processing as example, the annealing furnace electric heating device power 180-200KW of prior art adds the 60KW motor of 2 drive blower fans, and per hour total power consumption reaches more than the 300KWh, by 1 yuan of every kilowatthour tariff, kilowatthour rate, energy cost reaches more than 300 yuan; And the annealing furnace that the utility model implements to obtain adopts gas heating system, per hour consume liquefied gas 10Kg, if use the pipe natural gas consumption also can slightly lack, add 1 5KW, drive to impel and mix in the stove and the motor of the blower fan that the circular flow hot blast is used, by 8 yuan of gas prices of per kilogram liquefaction, 1 yuan of every kilowatthour tariff, kilowatthour rate, per hour energy cost is only 85 yuan, has significantly reduced energy cost and has reached more than 70%.
2, can not cause environmental pollution.As mentioned above, obtained burning by the organism that contains oxious component of the ROLLING OIL volatilization loss of blower fan suction combustion chamber together, the burning of the organism that contains oxious component in the combustion chamber of ROLLING OIL volatilization loss, the consumption of combustion gas that both produced saving of heat, the more important thing is and stopped its loss of in heat-processed, volatilizing, cause the possibility of environmental pollution.
Description of drawings: Fig. 1 is the synoptic diagram that meets the utility model thematic structure; Fig. 2 is hot-air mouth and hot-air channel structural representation; Fig. 3 is return air inlet and return air channel structural representation.
Embodiment: implementation detail of the present utility model is described as follows below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium, comprise the body of heater 1 that thermal insulation material consists of, carry dolly and dolly track 2 with aluminium, impel the resisting blower 3 that warm air mixes and circular flow is used in the stove, fan provides the motor 4 of power, in order to detect the thermopair 5 that temperature is used in the stove, electric control box 6 with motor, thermopair electrical connection is characterized in that being designed with
---comprise the gas heating system 7 of following structure: combustion chamber 70, have the combustion head 71 that is positioned at the bottom, combustion chamber, the burner 73 of combustion conditions varitrol 72, the gas line 74 of supplied burner combustion gas, be positioned at combustion chamber blast pipe 75 bottom, that be communicated in fan outlet, be positioned at hot-blast main 76 top, combustion chamber one side, that be communicated in the body of heater inner chamber, the combustion chamber is designed with access opening 77 near on the sidewall of bottom;
---described blower fan 3 air outlets are communicated in the blast pipe 75 of gas heating system 7, and blower fan 3 blast inlets are communicated in and pass the return air house steward 31 that the furnace wall passes into the body of heater inner chamber;
---be designed with on the described body of heater inner chamber one wing furnace wall at least up and down and 2 arrange the return air inlet 311 that is communicated with the return air house steward; Be designed with at least up and down 2 hot-air mouths 761 of arranging, being communicated with the hot-blast main on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet.
As shown in Figure 1, described thermopair 5 is matched with combustion conditions varitrol 72 through electric control box 6.
As shown in Figure 2, the described hot-air mouth that is communicated with the hot-blast main 761, be arranged on the hot-air channel 762 that communicates with hot-blast main 76, by 763 its big or small hot-air mouths of control of hot-air mouth wicket movably.
As shown in Figure 3, the described return air inlet that is communicated with the hot-blast main 311, be arranged on the return air channel 312 that communicates with return air house steward 31, by 313 its big or small return air inlets of control of return air inlet wicket movably.
As shown in Figure 1, 2, 3, the described hot-air channel 762 that communicates with hot-blast main 76 or the position of return air channel 312 on the body of heater intracavity sidewall that communicate with return air house steward 31 are higher than at least and carry the distance of leaving body of heater inner chamber ground with dolly 2 panels of aluminium.
As shown in Figure 1, described year with the dolly of aluminium and dolly with in the track 2, when dolly is complete entirely enter in the stove after its intermarginal crack of panel four avris be matched with body of heater 1 inner chamber wall.
As shown in Figure 1, described year dolly and dolly with aluminium are attached with the thermal insulation layer 21 that thermal insulation material consists of below the panel of dolly in the track 2.
In the implementation, described burner with combustion conditions varitrol, resisting blower, motor, the thermopair etc. of comprising are all chosen from market, and all the other adopt common process to implement.
Claims (7)
1. fuel gas heating energy-saving environmental protection annealing furnace that is used for cold rolling aluminium, comprise the body of heater (1) that thermal insulation material consists of, carry dolly and dolly track (2) with aluminium, impel the resisting blower (3) that warm air mixes and circular flow is used in the stove, fan provides the motor (4) of power, in order to detect the thermopair that temperature is used in the stove (5), the electric control box (6) with motor, thermopair electrical connection is characterized in that being designed with
---comprise the gas heating system (7) of following structure: combustion chamber (70), have the combustion head (71) that is positioned at the bottom, combustion chamber, the burner (73) of combustion conditions varitrol (72), the gas line of supplied burner combustion gas (74), be positioned at combustion chamber blast pipe (75) bottom, that be communicated in fan outlet, be positioned at hot-blast main top, combustion chamber one side, that be communicated in the body of heater inner chamber (76), the combustion chamber is designed with access opening (77) near on the sidewall of bottom;
---described blower fan (3) air outlet is communicated in the blast pipe (75) of gas heating system (7), and blower fan (3) blast inlet is communicated in and passes the return air house steward (31) that the furnace wall passes into the body of heater inner chamber;
---be designed with on the described body of heater inner chamber one wing furnace wall at least up and down and 2 arrange the return air inlet (311) that is communicated with the return air house steward; Be designed with at least up and down 2 hot-air mouths (761) of arranging, being communicated with the hot-blast main on the opposite side furnace wall of body of heater inner chamber with respect to return air inlet.
2. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium according to claim 1 is characterized in that described thermopair (5) is matched with combustion conditions varitrol (72) through electric control box (6).
3. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium according to claim 1, it is characterized in that the described hot-air mouth that is communicated with the hot-blast main (761), be arranged on the hot-air channel (762) that communicates with hot-blast main (76), control its big or small hot-air mouth by removable hot-air mouth wicket (763).
4. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium according to claim 1, it is characterized in that the described return air inlet that is communicated with the hot-blast main (311), be arranged on the return air channel (312) that communicates with return air house steward (31), control its big or small return air inlet by removable return air inlet wicket (313).
5. according to claim 1 or 3 or 4 described fuel gas heating energy-saving environmental protection annealing furnaces for cold rolling aluminium, it is characterized in that the described hot-air channel (762) that communicates with hot-blast main (76) or the position of return air channel (312) on the body of heater intracavity sidewall that communicates with return air house steward (31) are higher than at least carries dolly and dolly with aluminium leave body of heater inner chamber ground with dolly panel in the track (2) distance.
6. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium according to claim 1, it is characterized in that described year with the dolly of aluminium and dolly with in the track (2), its intermarginal crack of panel four avris is matched with body of heater (1) inner chamber wall after dolly enters in the stove fully.
7. the fuel gas heating energy-saving environmental protection annealing furnace for cold rolling aluminium according to claim 1 is characterized in that described year dolly and dolly with aluminium are attached with the thermal insulation layer (21) that thermal insulation material consists of below the panel of dolly in the track (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264792 CN202730181U (en) | 2012-06-06 | 2012-06-06 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264792 CN202730181U (en) | 2012-06-06 | 2012-06-06 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
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| Publication Number | Publication Date |
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| CN202730181U true CN202730181U (en) | 2013-02-13 |
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| CN 201220264792 Expired - Fee Related CN202730181U (en) | 2012-06-06 | 2012-06-06 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676760A (en) * | 2012-06-06 | 2012-09-19 | 镇江市万源电子有限公司 | Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials |
| CN104567359A (en) * | 2014-12-31 | 2015-04-29 | 佛山市南海研明热能设备科技有限公司 | Infrared gas jet-flow aluminum bar heating furnace |
| CN108913858A (en) * | 2018-06-29 | 2018-11-30 | 浙江今飞凯达轮毂股份有限公司 | The stable heat-treatment furnace of pressure |
| CN108980825A (en) * | 2018-09-10 | 2018-12-11 | 南京永亮炉业有限公司 | A kind of electric, gas two-purpose heating device |
| CN110004811A (en) * | 2019-04-29 | 2019-07-12 | 长安大学 | A hot air heating device for serial asphalt pavement and its heating control method |
-
2012
- 2012-06-06 CN CN 201220264792 patent/CN202730181U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676760A (en) * | 2012-06-06 | 2012-09-19 | 镇江市万源电子有限公司 | Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials |
| CN102676760B (en) * | 2012-06-06 | 2014-07-16 | 镇江市万源电子有限公司 | Gas heating energy-saving and environment-friendly annealing furnace for cold-rolling aluminium materials |
| CN104567359A (en) * | 2014-12-31 | 2015-04-29 | 佛山市南海研明热能设备科技有限公司 | Infrared gas jet-flow aluminum bar heating furnace |
| CN108913858A (en) * | 2018-06-29 | 2018-11-30 | 浙江今飞凯达轮毂股份有限公司 | The stable heat-treatment furnace of pressure |
| CN108980825A (en) * | 2018-09-10 | 2018-12-11 | 南京永亮炉业有限公司 | A kind of electric, gas two-purpose heating device |
| CN110004811A (en) * | 2019-04-29 | 2019-07-12 | 长安大学 | A hot air heating device for serial asphalt pavement and its heating control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20190606 |