CN201538799U - Heat accumulation type no-oxygen heating furnace - Google Patents
Heat accumulation type no-oxygen heating furnace Download PDFInfo
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- CN201538799U CN201538799U CN 200920246650 CN200920246650U CN201538799U CN 201538799 U CN201538799 U CN 201538799U CN 200920246650 CN200920246650 CN 200920246650 CN 200920246650 U CN200920246650 U CN 200920246650U CN 201538799 U CN201538799 U CN 201538799U
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Abstract
The utility model provides a heat accumulation type no-oxygen heating furnace which comprises the following components: a furnace body; a first regenerative burner which is provided at one side outside the furnace body and is equipped with a first air heat accumulation chamber and a first gas heat accumulation chamber, wherein the first air heat accumulation chamber is connected with a first port of an air reversing valve through a first air/smoke pipe. A second port of the air reversing valve is sequentially connected with an air flowmeter, an electric control valve of air flow and an air smoke assisting fan through the air pipe. A third port of the air reversing valve is sequentially connected with an electric control valve of air smoke discharging and an air smoke-discharging fan through the air smoke-discharging pipe. Furthermore the air smoke-discharging pipe is provided with an air smoke-discharging temperature sensor. The first gas heat accumulation chamber is connected with the first port of the gas reversing valve through the first gas/smoke pipe. The second end of the gas reversing valve is sequentially connected with the gas flowmeter, the electric control valve of gas flow and a gas source through the gas pipe. The heat energy utilization factor can be effectively increased.
Description
Technical field
The utility model relates to a kind of heat-accumulating industrial furnace, relates in particular to a kind ofly to can be applicable to the metallurgy strip continuous annealing production line, and the heat accumulating type scale-free heating furnace of pot galvanize, hot-dip aluminizing and plated aluminium, zinc, silicon production line.
Background technology
In the Sendzimir method zincincation, preheating oven heating zone steel oxidation is serious relatively, funnel temperature is higher simultaneously, even the heat exchange measure is arranged, heat exchange efficiency is low, the difficult control of furnace atmosphere so far domesticly can't be applied to the metallurgy strip continuous annealing production line with low calorie fuels (as blast furnace gas), pot galvanize, hot-dip aluminizing, plated aluminium, zinc, silicon production line.
The utility model content
In order to address the above problem, the purpose of this utility model provides a kind of heat accumulating type scale-free heating furnace, can effectively improve the heat energy utilization rate.
In order to achieve the above object, the utility model provides a kind of heat accumulating type scale-free heating furnace, comprising:
Body of heater;
First heat-accumulating burner 1, be arranged on the outer side of described body of heater, described first heat-accumulating burner 1 disposes first air regenerator 3 and the first regenerator gas chamber 2, and wherein said first air regenerator 3 is connected with first port of air reversing valve 13 by first air/flue 27; The described first regenerator gas chamber 2 is connected with first port of combustion gas reversing valve 8 by first combustion gas/flue 26;
Second heat-accumulating burner 19, be arranged on the outer opposite side of described body of heater, described second heat-accumulating burner 19 disposes second air regenerator 21 and the second regenerator gas chamber 20, wherein, described second air regenerator 21 is connected with the 4th port of described air reversing valve 13 by second air/flue 24; The described second regenerator gas chamber 20 is connected with the 4th port of described combustion gas reversing valve (8) by second combustion gas/flue 25;
Preferably, be placed with ceramic heat-storing sphere or honeycomb ceramic heat accumulator in the described first regenerator gas chamber 2, first air regenerator 3, the second regenerator gas chamber 20 and second air regenerator 21.
Preferably, second end of described combustion gas reversing valve 8 is connected with gas meter 9, gas flow motor-driven control valve 10 and gas source 36 successively by gas pipeline 29, the 3rd port of described combustion gas reversing valve 8 is connected with combustion gas smoke exhaust fan 35 with combustion gas smoke evacuation motor-driven control valve 12 successively by combustion gas smoke discharging pipe 30, and described combustion gas smoke discharging pipe 30 is provided with combustion gas funnel temperature transmitter 11.
Preferably, second port of described air reversing valve 13 helps cigarette blower fan 34 to be connected with air flowmeter 14, air flow quantity motor-driven control valve 15 and air by air line 31 successively, the 3rd port of described air reversing valve 13 is connected with air smoke exhaust fan 33 with air smoke evacuation motor-driven control valve 17 successively by air smoke discharging pipe 32, and described air smoke discharging pipe 32 is provided with air funnel temperature transmitter 16.
Preferably, the other end of described secondary afterburning total pipeline 28 is connected with secondary afterburning blower fan 37 with secondary afterburning air flowmeter 6, secondary afterburning air flow quantity motor-driven control valve 7 successively.
Preferably, described air reversing valve 13, described air flow quantity motor-driven control valve 15, described air smoke evacuation motor-driven control valve 17, described gas flow motor-driven control valve 10, described combustion gas reversing valve 8, described combustion gas smoke evacuation motor-driven control valve 12, described secondary afterburning air flow quantity motor-driven control valve 7, the described first afterburning air are cut valve 5 and the described second afterburning air soon and are cut valve 18 soon and be in magnetic valve, motorized valve and the pneumavalve any one.
Preferably, the side of the top of described body of heater or body of heater is provided with furnace temperature monitoring point 23.
From the above, the body of heater both sides of the heat accumulating type scale-free heating furnace in the utility model are furnished with the heat-accumulation combustion device, can alternately heat air and the combustion gas that is about to enter the stove internal combustion with accumulation of heat simultaneously in both sides, improve the heat energy utilization rate greatly.Kept original afterburning measure simultaneously, can effectively accurately control air-fuel ratio in the stove, realized the reducing atmosphere heating, guaranteed that simultaneously excess air coefficient do not waste less than the energy in 1 the flue gas.Realize further improving the heat energy utilization rate under the prerequisite of nonoxidizing heating, realized the application of low calorie fuels, started the heat accumulating type nonoxidizing heating technology of novel energy-conserving in strip thermal treatment field.
Description of drawings
Fig. 1 is the structural representation of the heat accumulating type scale-free heating furnace in the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer,, the utility model embodiment is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present utility model and explanation are used to explain the utility model, but not as to qualification of the present utility model.
Referring to Fig. 1, be the structural representation of the heat accumulating type scale-free heating furnace in the present embodiment, this heat accumulating type scale-free heating furnace comprises: body of heater, first heat-accumulating burner 1, first premixer 38, second heat-accumulating burner 19 and second premixer 39, wherein
First heat-accumulating burner 1, be arranged on the outer side of this body of heater, this first heat-accumulating burner 1 disposes first air regenerator 3 and the first regenerator gas chamber 2, wherein this first air regenerator 3 is connected with first port of air reversing valve 13 by first air/flue 27, second port of this air reversing valve 13 by air line 31 successively with air flowmeter 14, air flow quantity motor-driven control valve 15 helps cigarette blower fan 34 to be connected with air, the 3rd port of this air reversing valve 13 is connected with air smoke exhaust fan 33 with air smoke evacuation motor-driven control valve 17 successively by air smoke discharging pipe 32, and this air smoke discharging pipe 32 is provided with air funnel temperature transmitter 16; This first regenerator gas chamber 2 is connected with first port of combustion gas reversing valve 8 by first combustion gas/flue 26, second port of this combustion gas reversing valve 8 is connected with gas meter 9, gas flow motor-driven control valve 10 and gas source 36 successively by gas pipeline 29, the 3rd port of this combustion gas reversing valve 8 is connected with combustion gas smoke exhaust fan 35 with combustion gas smoke evacuation motor-driven control valve 12 successively by combustion gas smoke discharging pipe 30, and combustion gas smoke discharging pipe 30 is provided with combustion gas funnel temperature transmitter 11;
Second heat-accumulating burner 19, be arranged on the outer opposite side of this body of heater, this second heat-accumulating burner 19 disposes second air regenerator 21 and the second regenerator gas chamber 20, and wherein, this second air regenerator 21 is connected with the 4th port of this air reversing valve 13 by second air/flue 24; This second regenerator gas chamber 20 is connected with the 4th port of combustion gas reversing valve 8 by second combustion gas/flue 25;
In the present embodiment, be placed with ceramic heat-storing sphere or honeycomb ceramic heat accumulator in the above-mentioned first regenerator gas chamber 2, first air regenerator 3, the second regenerator gas chamber 20 and second air regenerator 21.
Above-mentioned air reversing valve 13, air flow quantity motor-driven control valve 15, air smoke evacuation motor-driven control valve 17, gas flow motor-driven control valve 10, combustion gas reversing valve 8, combustion gas smoke evacuation motor-driven control valve 12, secondary afterburning air flow quantity motor-driven control valve 7, the first afterburning air are cut valve 5, the second afterburning air soon and are cut valve 18 soon and be in magnetic valve, motorized valve and the pneumavalve any one.For example this air reversing valve 13 can be selected the air two-position four way change valve for use, and combustion gas reversing valve 8 can be selected the combustion gas two-position four way change valve for use.
For can the intravital temperature of effective monitoring stove, also can be provided with furnace temperature monitoring point 23 in the present embodiment at the top of body of heater or the side of body of heater.
From the above, the body of heater both sides of the heat accumulating type scale-free heating furnace in the utility model are furnished with the heat-accumulation combustion device, can alternately heat air and the combustion gas that is about to enter the stove internal combustion with accumulation of heat simultaneously in both sides, improve the heat energy utilization rate greatly, kept original afterburning measure, can control effectively accurately that air-fuel ratio realizes the reducing atmosphere heating in the stove, guarantee that simultaneously excess air coefficient do not waste less than the energy in 1 the flue gas.
Realize further improving the heat energy utilization rate under the prerequisite of nonoxidizing heating, realized the application of low calorie fuels, started the heat accumulating type nonoxidizing heating technology of novel energy-conserving in strip thermal treatment field.
Below in conjunction with accompanying drawing this practical technique is described in detail: when work, first heat-accumulating burner 1 of A side is burning and the accumulation of heat state with second heat-accumulating burner, the 19 difference alternations of B side.When first heat-accumulating burner 1 of A side during in burning, air reversing valve 13 communicates the air line 31 of A side with first air/flue 27; Simultaneously the air smoke discharging pipe 32 of B side is communicated with second air/flue 24;
Meanwhile, combustion gas reversing valve 8 communicates the gas pipeline 29 of A side with first combustion gas/flue 26; Simultaneously combustion gas/the flue 25 of B side is communicated with combustion gas flue 30.This moment, air was by gas blower pressurization process air flow quantity motor-driven control valve 15 dominant discharge, then through air flowmeter 14 monitorings, through air reversing valve 13, pass through the first air/flue 27 of A side then, first air regenerator 3 of process A side is air heating (heat release), and warm air arrives first premixer 38 of A side.
Combustion gas and process gas flow motor-driven control valve 10 dominant discharge, through gas meter 9 monitorings, through combustion gas reversing valve 8, through the first combustion gas/flue 26 of A side, the combustion gas mixing and the burning of the first regenerator gas burner 2 of process A side.Because air, combustion gas can both be carried out accurate flow control, for guaranteeing that grasping furnace reduction atmosphere creates favorable conditions.
Meanwhile, the second afterburning air of B side is cut valve 18 unlatchings soon; The first afterburning air of A side is cut valve 5 soon and is closed; Through secondary afterburning blower fan 37 air pressurized process secondary afterburning air flow quantity motor-driven control valve 7 dominant discharge, through 6 monitorings of secondary afterburning air flowmeter, secondary afterburning air through the B side is cut valve 18 soon, combustion gas superfluous in the flue gas that the secondary afterburning air line 22 of process B side supplies to come in next afterburning air and the stove is in this perfect combustion, after the regenerator cooling (accumulation of heat) of the high-temperature flue gas of after-flame through the B side, second air/flue 24 and second combustion gas/flue 25 through the B side, through combustion gas reversing valve 8 and air reversing valve 13, through combustion gas smoke discharging pipe 30 and air smoke discharging pipe 32, through air smoke evacuation motor-driven control valve 17 and combustion gas smoke evacuation motor-driven control valve 12, discharge through smoke exhaust fan, so just realized the burning of first heat-accumulating burner 1 of A side, the accumulation of heat of second heat-accumulating burner 19 of B side (accumulation of heat is divided into air accumulation of heat and regenerator gas).
When second heat-accumulating burner 19 of B side during in burning, air reversing valve 13 communicates the air line 31 of B side with second air/flue 24, through second air regenerator 21 air is sent into second premixer 39, meanwhile, combustion gas reversing valve 8 communicates gas pipeline 29 and second combustion gas/flue 25, through the second regenerator gas chamber 20 second premixer 39 is sent in combustion gas, premixed combustion, this moment flue gas through first air regenerator 3 and the first regenerator gas chamber 2, air reversing valve 13 communicates air smoke discharging pipe 32 with first air/flue 27 then; The reversing valve 8 of combustion gas simultaneously communicates combustion gas smoke discharging pipe 30 and first combustion gas/flue 26, through air smoke evacuation motor-driven control valve 17 and combustion gas smoke evacuation motor-driven control valve 12, discharges through smoke exhaust fan.So just realized the burning that the B side gets second heat-accumulating burner 19, the accumulation of heat of first heat-accumulating burner 1 of A side (accumulation of heat is divided into air accumulation of heat and regenerator gas), at this moment the first afterburning air of A side is cut valve 5 soon and is opened, the second afterburning air of B side is cut valve 18 soon and is closed, secondary afterburning air is through secondary afterburning air flow quantity motor-driven control valve 7, through secondary afterburning air flowmeter 6, allow afterburning air and inner flue gas of the stove remain combustion gas mixing perfect combustion through the first afterburning air line 4.The high-temperature flue gas in afterburnt is discharged through smoke discharging pipe after air and the accumulation of heat of regenerator gas chamber.
So one-period finishes, and next cycle begins; Go round and begin again, funnel temperature periodical change between 120～180 ℃ has realized the process of accumulation of heat, heat release.By the baker burner that is provided with furnace temperature is raised to 800 ℃ earlier before the work, could starts the burning of heat-accumulating burner input, control each reversing valve in good time by computer; Secondary afterburning air is cut valve soon and is realized timing reversing, the constant temperature commutation; Realize flue gas heat energy optimum recovery, by computer accurate calculation control air flow motor-driven control valve; The gas flow motor-driven control valve is realized optimal air-fuel ratio.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a heat accumulating type scale-free heating furnace is characterized in that, comprising:
Body of heater;
First heat-accumulating burner (1), be arranged on the outer side of described body of heater, described first heat-accumulating burner (1) disposes first air regenerator (3) and the first regenerator gas chamber (2), and wherein said first air regenerator (3) is connected with first port of air reversing valve (13) by first air/flue (27); The described first regenerator gas chamber (2) is connected with first port of combustion gas reversing valve (8) by first combustion gas/flue (26);
First premixer (38), be arranged in the described body of heater, and it is corresponding with the position of described first heat-accumulating burner (1), the port that valve (5) is cut soon by the first afterburning air line (4) and the first afterburning air in the top of described first premixer (38) is connected, and the another port that the described first afterburning air is cut valve (5) soon is connected with an end of secondary afterburning total pipeline (28);
Second heat-accumulating burner (19), be arranged on the outer opposite side of described body of heater, described second heat-accumulating burner (19) disposes second air regenerator (21) and the second regenerator gas chamber (20), wherein, described second air regenerator (21) is connected with the 4th port of described air reversing valve (13) by second air/flue (24); The described second regenerator gas chamber (20) is connected with the 4th port of described combustion gas reversing valve (8) by second combustion gas/flue (25);
Second premixer (39), be arranged in the described body of heater, and it is corresponding with the position of described second heat-accumulating burner (19), the port that valve (18) is cut soon by the second afterburning air line (22) and the second afterburning air in the top of described second premixer (39) is connected, and the another port that the described second afterburning air is cut valve (18) soon is connected with an end of described secondary afterburning total pipeline (28).
2. heat accumulating type scale-free heating furnace according to claim 1, it is characterized in that, be placed with ceramic heat-storing sphere or honeycomb ceramic heat accumulator in the described first regenerator gas chamber (2), first air regenerator (3), the second regenerator gas chamber (20) and second air regenerator (21).
3. heat accumulating type scale-free heating furnace according to claim 2, it is characterized in that, second end of described combustion gas reversing valve (8) is connected with gas meter (9), gas flow motor-driven control valve (10) and gas source (36) successively by gas pipeline (29), the 3rd port of described combustion gas reversing valve (8) is connected with combustion gas smoke exhaust fan (35) with combustion gas smoke evacuation motor-driven control valve (12) successively by combustion gas smoke discharging pipe (30), and described combustion gas smoke discharging pipe (30) is provided with combustion gas funnel temperature transmitter (11).
4. heat accumulating type scale-free heating furnace according to claim 3, it is characterized in that, second port of described air reversing valve (13) helps cigarette blower fan (34) to be connected with air flowmeter (14), air flow quantity motor-driven control valve (15) and air by air line (31) successively, the 3rd port of described air reversing valve (13) is connected with air smoke exhaust fan (33) with air smoke evacuation motor-driven control valve (17) successively by air smoke discharging pipe (32), and described air smoke discharging pipe (32) is provided with air funnel temperature transmitter (16).
5. heat accumulating type scale-free heating furnace according to claim 4, it is characterized in that the other end of described secondary afterburning total pipeline (28) is connected with secondary afterburning air flowmeter (6), secondary afterburning air flow quantity motor-driven control valve (7) and secondary afterburning blower fan (37) successively.
6. heat accumulating type scale-free heating furnace according to claim 5, it is characterized in that described air reversing valve (13), described air flow quantity motor-driven control valve (15), described air smoke evacuation motor-driven control valve (17), described gas flow motor-driven control valve (10), described combustion gas reversing valve (8), described combustion gas smoke evacuation motor-driven control valve (12), described secondary afterburning air flow quantity motor-driven control valve (7), the described first afterburning air are cut valve (5) and the described second afterburning air soon to cut valve (18) soon be in magnetic valve, motorized valve and the pneumavalve any one.
7. heat accumulating type scale-free heating furnace according to claim 6 is characterized in that, the top of described body of heater or the side of body of heater are provided with furnace temperature monitoring point (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920246650 CN201538799U (en) | 2009-10-22 | 2009-10-22 | Heat accumulation type no-oxygen heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920246650 CN201538799U (en) | 2009-10-22 | 2009-10-22 | Heat accumulation type no-oxygen heating furnace |
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| CN201538799U true CN201538799U (en) | 2010-08-04 |
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| CN 200920246650 Expired - Fee Related CN201538799U (en) | 2009-10-22 | 2009-10-22 | Heat accumulation type no-oxygen heating furnace |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865741A (en) * | 2012-09-27 | 2013-01-09 | 北京慧研义和科技有限公司 | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof |
| CN103014310A (en) * | 2012-12-03 | 2013-04-03 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103014312A (en) * | 2012-12-26 | 2013-04-03 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103290201A (en) * | 2012-02-24 | 2013-09-11 | 北京京杰锐思技术开发有限公司 | Anti-oxidation heater |
| CN103436684A (en) * | 2013-08-03 | 2013-12-11 | 石家庄新华能源环保科技股份有限公司 | Heat-accumulating billet heating furnace |
| CN104006406A (en) * | 2014-05-21 | 2014-08-27 | 江苏华德工业炉有限公司 | Regenerative heating furnace |
| CN105018717A (en) * | 2015-06-26 | 2015-11-04 | 江苏宏宇模具集团有限公司 | Kiln used for producing hot roll steel |
| CN105063531A (en) * | 2015-08-08 | 2015-11-18 | 桐乡市桐德电力配件有限公司 | Galvanizing furnace |
| CN105087899A (en) * | 2015-08-26 | 2015-11-25 | 江苏省沙钢钢铁研究院有限公司 | Heat accumulating type heating furnace and flue gas circulating combustion method thereof |
| CN107255648A (en) * | 2017-05-23 | 2017-10-17 | 闫靖媛 | A kind of fire-protection ring fire resistance experimental rig |
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2009
- 2009-10-22 CN CN 200920246650 patent/CN201538799U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290201A (en) * | 2012-02-24 | 2013-09-11 | 北京京杰锐思技术开发有限公司 | Anti-oxidation heater |
| CN103290201B (en) * | 2012-02-24 | 2015-07-22 | 北京京杰锐思技术开发有限公司 | Anti-oxidation heater |
| CN102865741B (en) * | 2012-09-27 | 2014-07-23 | 北京慧研义和科技有限公司 | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof |
| CN102865741A (en) * | 2012-09-27 | 2013-01-09 | 北京慧研义和科技有限公司 | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof |
| CN103014310A (en) * | 2012-12-03 | 2013-04-03 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103014310B (en) * | 2012-12-03 | 2014-08-20 | 攀钢集团西昌钢钒有限公司 | Timing constant-temperature reversing device of regenerative furnace and method thereof |
| CN103014312A (en) * | 2012-12-26 | 2013-04-03 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103014312B (en) * | 2012-12-26 | 2014-04-09 | 中冶南方(武汉)威仕工业炉有限公司 | Control method of regenerative burner of regenerative heating furnace |
| CN103436684B (en) * | 2013-08-03 | 2016-04-20 | 石家庄新华能源环保科技股份有限公司 | A kind of heat accumulating type billet heating furnace |
| CN103436684A (en) * | 2013-08-03 | 2013-12-11 | 石家庄新华能源环保科技股份有限公司 | Heat-accumulating billet heating furnace |
| CN104006406A (en) * | 2014-05-21 | 2014-08-27 | 江苏华德工业炉有限公司 | Regenerative heating furnace |
| CN105018717A (en) * | 2015-06-26 | 2015-11-04 | 江苏宏宇模具集团有限公司 | Kiln used for producing hot roll steel |
| CN105063531A (en) * | 2015-08-08 | 2015-11-18 | 桐乡市桐德电力配件有限公司 | Galvanizing furnace |
| CN105087899A (en) * | 2015-08-26 | 2015-11-25 | 江苏省沙钢钢铁研究院有限公司 | Heat accumulating type heating furnace and flue gas circulating combustion method thereof |
| CN105087899B (en) * | 2015-08-26 | 2017-06-23 | 江苏省沙钢钢铁研究院有限公司 | Heat accumulating type heating furnace and flue gas circulating combustion method thereof |
| CN107255648A (en) * | 2017-05-23 | 2017-10-17 | 闫靖媛 | A kind of fire-protection ring fire resistance experimental rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ChangShu Burner Factory Co., Ltd. Assignor: Beijing Jingjie Ruisi Technology Development Co, Ltd. Contract record no.: 2011990001075 Denomination of utility model: Heat-storage type non-oxidizing heating furnace and combustion method thereof Granted publication date: 20100804 License type: Common License Record date: 20111206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20151022 |
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| EXPY | Termination of patent right or utility model |