CN102997413B - Metal hot blast heater - Google Patents

Metal hot blast heater Download PDF

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Publication number
CN102997413B
CN102997413B CN201210488795.6A CN201210488795A CN102997413B CN 102997413 B CN102997413 B CN 102997413B CN 201210488795 A CN201210488795 A CN 201210488795A CN 102997413 B CN102997413 B CN 102997413B
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hot blast
pipe
chimney
plate
temperature
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CN201210488795.6A
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CN102997413A (en
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李登尧
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SICHUAN DENGYAO MACHINERY EQUIPMENT CO Ltd
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SICHUAN DENGYAO MACHINERY EQUIPMENT CO Ltd
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Abstract

The invention discloses a metal hot blast heater, which is characterized by comprising a hot air pipe, an inner furnace pipe, a sieve hole jet-flow cylinder, an air duct, a centrifugal fan, a smoke pipe, a boiler smoke guide machine, a chimney, a dust remover, a porous partition board, a smoke spraying nut, a shell-and-tube heat exchanger, an air inlet pipe, perforated furnace feet, an inner-layer high-temperature smoke cylinder, an outer-layer high-temperature smoke cylinder, a hot air neutral layer, a spiral heat conduction sheet, a heat conduction board, an outer cylinder, a heat insulating layer, a shell, a sieve hole jet-flow cylinder connection board, an inner furnace pipe connection board, a hot air jet-flow pipe connection board, a supporting pipe, a motor and a furnace door. The metal hot blast heater provided by the invention aims to overcome the defects in the traditional hot blast heater of poor heating effect and poor heat transfer effect. According to the improvement, the invention provides the metal hot blast heater, so that the purpose of good heat conduction effect is realized by enlarging the contact area with air. Furthermore, the effect of the environmental friendless can be realized through inlet-outlet treatment of discharged smoke.

Description

A kind of metal hot-blast stove
Technical field
The present invention relates to a kind of saving furnace, is specifically a kind of metal hot-blast stove.
Background technology
Hot-blast stove is widely used in numerous areas, traditional type hot-blast stove comprises burner hearth substantially, body of heater and stove seat, the surrounding of body of heater is surrounded by air blanketing, air-vent and air outlet is provided with in air blanketing, but the hot cigarette of hot-blast stove of this traditional type hot-blast stove directly enters air by chimney after having heated air, do not absorb through process, affect environment, the cigarette of discharging has taken away a large amount of heats, heat effect is poor, heat transfer effect is poor, waste a large amount of energy, in addition, this traditional hot-blast stove is owing to being that the high temperature produced by burner hearth fuel combustion is carried out heat transfer to the cold wind in air blanketing and thus reaches cold air heating object, but because this traditional type structure heat exchange efficiency is on the low side, therefore fuel consumption is higher, therefore need to be improved.
Summary of the invention
The object of the invention is to overcome the defect that existing traditional type hot-blast stove heat effect is poor, heat transfer effect is poor, a kind of metal hot-blast stove is provided at this by improving, the contact area with air can be increased, reach the object that heat transfer effect is good, and effect of environmental protection is played to the flue gas turnover process of discharge.
The present invention realizes like this, construct a kind of metal hot-blast stove, it is characterized in that: include hot blast jet pipe, interior boiler tube, sieve aperture jet flow cylinder, control cabinet, airduct, centrifugal fan, smoke pipe, boiler smoke suction machine, chimney, deduster, apertured partition, aerosol spraying cap, shell-and-tube heat exchanger, blast pipe, stove pin with holes, the outer high temperature chimney of stove pin, internal layer high temperature chimney, outer high temperature chimney, hot blast neutral line, spiral conducting strip, heat-conducting plate, urceolus, thermal insulation layer, housing, sieve aperture jet flow cylinder connecting plate, interior boiler tube connecting plate, hot blast jet pipe connecting plate, stay pipe, motor, fire door.
Described hot blast jet pipe is positioned at the centre above body of heater, interior boiler tube surrounds hot blast jet pipe and is attached thereto, boiler tube in sieve aperture jet flow cylinder surrounds, control cabinet is used for controlling boiler smoke suction machine, control cabinet is positioned at object housing reaching and is easy to detect and operate, airduct is connected with the air inlet of upper of furnace body and the air outlet of shell-and-tube heat exchanger, centrifugal fan is connected with the air inlet of shell-and-tube heat exchanger, smoke pipe and boiler smoke suction machine and aerosol spraying cap connect and stretch into together with aerosol spraying cap in deduster through apertured partition, boiler smoke suction machine is connected with the outlet flue of shell-and-tube heat exchanger, chimney is connected with the outlet flue of deduster, be provided with apertured partition in deduster and inject water, water level is higher than upper strata apertured partition, shell-and-tube heat exchanger is connected with the outlet flue of lower portion of furnace body, the bottom of hot blast jet pipe, interior boiler tube and fire door form combustion chamber, blast pipe is positioned at the outer high temperature chimney of stove pin and penetrates below combustion chamber and pass the outer high temperature chimney of stove pin, stove pin with holes is provided with the outer high temperature chimney of stove pin, the outer high temperature chimney of stove pin is provided with air intake pore and venthole, internal layer high temperature chimney surrounds sieve aperture jet flow cylinder and is connected with interior boiler tube connecting plate and hot blast jet pipe connecting plate, outer high temperature chimney surrounds internal layer high temperature chimney and is connected with hot blast jet pipe connecting plate, hot blast neutral line cover outer high temperature chimney and is connected with stay pipe, spiral conducting strip is located at hot blast neutral line respectively, on the outer wall of outer high temperature chimney and internal layer high temperature chimney, heat-conducting plate is located on the outer wall of interior boiler tube, urceolus surrounds hot blast neutral line, thermal insulation layer is between urceolus and housing, motor passes to boiler smoke suction machine power by belt, sieve aperture jet flow cylinder connecting plate is connected with interior boiler tube, hot blast jet pipe connecting plate is connected with hot blast jet pipe and stay pipe,
This metal hot-blast stove heat is conducted to pure air by the metal cylinder of flue gas, spiral conducting strip and heat-conducting plate, and flue gas does not pollute hot blast, forms respective passage.
Beneficial effect of the present invention is: the present invention provides a kind of metal hot-blast stove by improvement, and this metal hot-blast stove is divided into two large divisions, and a part is flue gas channel part; Another part is pure air channel part, and two parts separate completely, and heat is conducted to pure air by the metal cylinder of flue gas, spiral conducting strip and heat-conducting plate, and flue gas does not pollute hot blast, forms respective passage.Be provided with heat-conducting plate, spiral conducting strip in this hot-blast stove, thus increase the contact area with air; Urceolus, housing, thermal insulation layer plays the effect that protection furnace interior heat does not scatter and disappear; Ensure that heat transference efficiency.Flue gas enters shell-and-tube heat exchanger, and fume afterheat absorbs by pure air, and flue gas is again through deduster, and flue gas from smoke pipe, aerosol spraying cap out, forms air pocket, after slotted plate, becomes minute bubbles, after a large amount of absorption flue dust, is discharged, reach the object of environmental protection by chimney.In addition, when in this metal hot-blast stove combustion process, air enters in the annular chamber between the outer high temperature chimney of stove pin from the hole of stove pin with holes, the heat of absorption furnace pin outer high temperature chimney outer surface, flow into blast pipe again, after being heated by blast pipe, form hot-air combustion-supporting, enter combustion chamber again and participate in burning, save fuel.Control cabinet controls boiler smoke suction machine, thus controls the burning velocity of stove fuel, makes it reach the effect of constant temperature, thus also reaches fuel-saving object.
accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is plan structure schematic diagram of the present invention
In figure: 1, include hot blast jet pipe, 2, interior boiler tube, 3, sieve aperture jet flow cylinder, 4, control cabinet, 5, airduct, 6, centrifugal fan, 7, smoke pipe, 8, boiler smoke suction machine, 9, chimney, 10, deduster, 11, apertured partition, 12, aerosol spraying cap, 13, shell-and-tube heat exchanger, 14, combustion chamber, 15, blast pipe, 16, stove pin with holes, 17, the outer high temperature chimney of stove pin, 18, internal layer high temperature chimney, 19, outer high temperature chimney, 20, hot blast neutral line, 21, spiral conducting strip, 22, heat-conducting plate, 23, urceolus, 24, thermal insulation layer, 25, housing, 26, sieve aperture jet flow cylinder connecting plate, 27, interior boiler tube connecting plate, 28, hot blast jet pipe connecting plate, 29, stay pipe, 30, motor, 31, fire door.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-2, the present invention is described in detail:
The invention provides a kind of metal hot-blast stove, as shown in Figure 1-2: metal hot-blast stove of the present invention includes hot blast jet pipe 1, interior boiler tube 2, sieve aperture jet flow cylinder 3, control cabinet 4, airduct 5, centrifugal fan 6, smoke pipe 7, boiler smoke suction machine 8, chimney 9, deduster 10, apertured partition 11, aerosol spraying cap 12, shell-and-tube heat exchanger 13, combustion chamber 14, blast pipe 15, stove pin 16 with holes, the outer high temperature chimney 17 of stove pin, internal layer high temperature chimney 18, outer high temperature chimney 19, hot blast neutral line 20, spiral conducting strip 21, heat-conducting plate 22, urceolus 23, thermal insulation layer 24, housing 25, sieve aperture jet flow cylinder connecting plate 26, interior boiler tube connecting plate 27, hot blast jet pipe connecting plate 28, stay pipe 29, motor 30, fire door 31.
Described hot blast jet pipe 1 is positioned at the centre above body of heater, interior boiler tube 2 surrounds hot blast jet pipe 1 and is attached thereto, sieve aperture jet flow cylinder 3 surrounds interior boiler tube 2, control cabinet 4 is for controlling boiler smoke suction machine, control cabinet 4 is positioned at object housing reaching and is easy to detect and operate, airduct 5 is connected with the air inlet of upper of furnace body and the air outlet of shell-and-tube heat exchanger 13, centrifugal fan 6 is connected with the air inlet of shell-and-tube heat exchanger 13, smoke pipe 7 and boiler smoke suction machine 8 and aerosol spraying cap 12 connect and stretch into together with aerosol spraying cap 12 in deduster 10 through apertured partition 11, boiler smoke suction machine 8 is connected with the outlet flue of shell-and-tube heat exchanger 13, chimney 9 is connected with the outlet flue of deduster 10, be provided with apertured partition 11 in deduster 10 and inject water, water level is higher than upper strata apertured partition 11, shell-and-tube heat exchanger 13 is connected with the outlet flue of lower portion of furnace body, the bottom of hot blast jet pipe 1, interior boiler tube 2 and fire door 31 form combustion chamber 14, blast pipe 15 is positioned at the outer high temperature chimney 17 of stove pin and penetrates below combustion chamber and pass the outer high temperature chimney 17 of stove pin, stove pin 16 with holes is provided with the outer high temperature chimney 17 of stove pin, the outer high temperature chimney 17 of stove pin is provided with air intake pore and venthole, internal layer high temperature chimney 18 surrounds sieve aperture jet flow cylinder 3 and is connected with interior boiler tube connecting plate 27 and hot blast jet pipe connecting plate 28, outer high temperature chimney 19 surrounds internal layer high temperature chimney 18 and is connected with hot blast jet pipe connecting plate 28, hot blast neutral line 20 covers outer high temperature chimney 19 and is connected with stay pipe 29, spiral conducting strip 21 is located at hot blast neutral line 20 respectively, on the outer wall of outer high temperature chimney 19 and internal layer high temperature chimney 18, heat-conducting plate 22 is located on the outer wall of interior boiler tube 2, urceolus 23 surrounds hot blast neutral line 20, thermal insulation layer 24 is between urceolus 23 and housing 25, motor 30 passes to boiler smoke suction machine 8 power by belt, sieve aperture jet flow cylinder connecting plate 26 is connected with interior boiler tube 2, hot blast jet pipe connecting plate 28 is connected with hot blast jet pipe 1 and stay pipe 29.
The structure of this metal hot-blast stove is divided into two large divisions, and a part is flue gas channel part (as represented with double-head arrow in figure); Another part is pure air channel part (as represented with single arrow in figure).Two parts separate completely, and heat is conducted to pure air by the metal cylinder of flue gas, spiral conducting strip and heat-conducting plate, and flue gas does not pollute hot blast, forms respective passage.Heat exchange process is as follows.The first step, starts motor 30, and boiler smoke suction machine 8 makes whole combustion chamber of furnace body and flue form negative pressure, and flue gas makes one-way flow from combustion chamber 14 to chimney 9.First body of heater hot blast jet pipe 1, interior boiler tube 2, internal layer high temperature chimney 18, outer high temperature chimney 19 heat by flue gas successively, and by heat conduction to heat-conducting plate 22, spiral conducting strip 21, thus increase the contact area with air; Urceolus 23, housing 25, thermal insulation layer 24 play the effect that protection furnace interior heat does not scatter and disappear, and ensure that heat transference efficiency.Second step, flue gas enters shell-and-tube heat exchanger (13), and fume afterheat absorbs by pure air, and flue gas is again through deduster 10, flue gas from smoke pipe out, forms air pocket, after slotted plate 11, becomes minute bubbles, after a large amount of absorption flue dust, discharged by chimney 9, reach the object of environmental protection.3rd step, pure air is pressed into shell-and-tube heat exchanger 13 through centrifugal fan 6, and after absorbing the waste heat of flue gas in shell-and-tube heat exchanger 13, temperature raises gradually.Again by airduct 5, enter in hot-blast stove by furnace roof, hot blast fully contacts with hot blast neutral line 20, outer high temperature chimney 19 and spiral conducting strip, and hot blast is heated again, and temperature raises further; 4th step, hot blast after again heating enters in hot blast jet pipe 1 from furnace roof, absorb the heat of hot blast jet pipe 1 in a large number, flow through internal layer high temperature chimney 18 inwall, jet flow is carried out again from aperture inside boiler tube 2 outer wall sieve aperture jet flow cylinder 3 and heat-conducting plate 22 surface, make air fully absorb the heat on interior boiler tube 2 outer wall and heat-conducting plate 22 surface, hot blast reaches temperature required.Then high-temperature hot-air is exported, for production and application from delivery outlet.
Metal hot blast is in stove combustion process, air (chain-dotted line double-head arrow represents) enters in the annular chamber between the outer high temperature chimney 17 of stove pin from the hole of stove pin 16 with holes, after absorbing the heat of stove pin outer high temperature chimney 17 outer surface, flow into blast pipe 15, after being heated by blast pipe 15, formation hot-air is combustion-supporting, then enters combustion chamber 14 participation burning, has saved fuel.
Temperature controls, if temperature is lower than design temperature, motor 30 is opened by the temperature detect switch (TDS) in control cabinet 4, boiler smoke suction machine 8 is started working, and strengthens the air mass flow in combustion chamber 14, thus accelerates the burning velocity of stove fuel, make burning more abundant, produce more heats, and the exhaust gas volumn flowed through in metal furnaces is strengthened, make heat transfer more faster; If temperature reaches design temperature, then disable motor 30, boiler smoke suction machine 8 quits work, and reduces the intake in combustion chamber 14, thus the burning velocity of the stove fuel that slows down, generation heat is reduced, and temperature reduces, and makes it reach the effect of constant temperature.Thus also reach fuel-saving object.

Claims (1)

1. a metal hot-blast stove, it is characterized in that: include hot blast jet pipe (1), interior boiler tube (2), sieve aperture jet flow cylinder (3), control cabinet (4), airduct (5), centrifugal fan (6), smoke pipe (7), boiler smoke suction machine (8), chimney (9), deduster (10), apertured partition (11), aerosol spraying cap (12), shell-and-tube heat exchanger (13), blast pipe (15), stove pin (16) with holes, outer high temperature chimney (17) of stove pin, internal layer high temperature chimney (18), outer high temperature chimney (19), hot blast neutral line (20), spiral conducting strip (21), heat-conducting plate (22), urceolus (23), thermal insulation layer (24), housing (25), sieve aperture jet flow cylinder connecting plate (26), interior boiler tube connecting plate (27), hot blast jet pipe connecting plate (28), stay pipe (29), motor (30), fire door (31),
Described hot blast jet pipe (1) is positioned at the centre above body of heater, interior boiler tube (2) surrounds hot blast jet pipe (1) and is attached thereto, boiler tube (2) in sieve aperture jet flow cylinder (3) surrounds, control cabinet (4) is for controlling boiler smoke suction machine (8), control cabinet (4) is positioned at object housing (25) reaching and is easy to detect and operate, airduct (5) is connected with the air inlet of upper of furnace body and the air outlet of shell-and-tube heat exchanger (13), centrifugal fan (6) is connected with the air inlet of shell-and-tube heat exchanger (13), smoke pipe (7) and boiler smoke suction machine (8) and aerosol spraying cap (12) connect and stretch into together with aerosol spraying cap (12) in deduster (10) through apertured partition (11), boiler smoke suction machine (8) is connected with the outlet flue of shell-and-tube heat exchanger (13), chimney (9) is connected with the outlet flue of deduster (10), be provided with apertured partition (11) in deduster (10) and inject water, water level is higher than upper strata apertured partition (11), shell-and-tube heat exchanger (13) is connected with the outlet flue of lower portion of furnace body, the bottom of hot blast jet pipe (1), interior boiler tube (2) and fire door (31) form combustion chamber (14), blast pipe (15) is positioned at outer high temperature chimney (17) of stove pin and penetrates below combustion chamber and pass outer high temperature chimney (17) of stove pin, stove pin (16) with holes is provided with outer high temperature chimney (17) of stove pin, outer high temperature chimney (17) of stove pin is provided with air intake pore and venthole, internal layer high temperature chimney (18) surrounds sieve aperture jet flow cylinder (3) and is connected with interior boiler tube connecting plate (27) and hot blast jet pipe connecting plate (28), outer high temperature chimney (19) is surrounded internal layer high temperature chimney (18) and is connected with hot blast jet pipe connecting plate (28), hot blast neutral line (20) covers outer high temperature chimney (19) and is connected with stay pipe (29), spiral conducting strip (21) is located at hot blast neutral line (20) respectively, on the outer wall of outer high temperature chimney (19) and internal layer high temperature chimney (18), heat-conducting plate (22) is located on the outer wall of interior boiler tube (2), urceolus (23) surrounds hot blast neutral line (20), thermal insulation layer (24) is positioned between urceolus (23) and housing (25), motor (30) passes to boiler smoke suction machine (8) power by belt, sieve aperture jet flow cylinder connecting plate (26) is connected with interior boiler tube (2), hot blast jet pipe connecting plate (28) is connected with hot blast jet pipe (1) and stay pipe (29),
This metal hot-blast stove heat is conducted to pure air by the metal cylinder of flue gas, spiral conducting strip and heat-conducting plate, and flue gas does not pollute hot blast, forms respective passage.
CN201210488795.6A 2012-11-27 2012-11-27 Metal hot blast heater Active CN102997413B (en)

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CN102997413B true CN102997413B (en) 2015-03-18

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383144A (en) * 2013-08-06 2013-11-06 叙永县马岭粮油食品有限公司 Hot blast stove
CN104848517B (en) * 2015-04-17 2017-11-21 中国科学院工程热物理研究所 A kind of heat exchanger and use its energy saving gas burning water heater
CN106195981B (en) * 2016-08-25 2018-05-11 湖南奇效节能科技有限公司 Integrated steam hot wind hot water multipurpose furnace device systems

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Publication number Priority date Publication date Assignee Title
US2533508A (en) * 1946-05-24 1950-12-12 Walter I Riu Furnace for hot-air and water space heating with domestic water heater
JPH0375445A (en) * 1989-08-17 1991-03-29 Nepon Kk Hot air furnace
CN2171086Y (en) * 1993-12-10 1994-07-06 北京市热风炉制造厂 Hot-blast stove
JPH1130443A (en) * 1997-07-09 1999-02-02 Junko Harashima Waste heat recovery device
CN2641528Y (en) * 2003-08-27 2004-09-15 金华明 Manual/automatic two-purpose coal combustion hot-blast stove
CN101660840A (en) * 2009-09-28 2010-03-03 于绍文 Hot-blast stove with combustion equipment
CN201672672U (en) * 2010-06-01 2010-12-15 王金光 Multi-functional air heater
CN202947312U (en) * 2012-11-27 2013-05-22 四川省登尧机械设备有限公司 Metal hot-blast stove

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533508A (en) * 1946-05-24 1950-12-12 Walter I Riu Furnace for hot-air and water space heating with domestic water heater
JPH0375445A (en) * 1989-08-17 1991-03-29 Nepon Kk Hot air furnace
CN2171086Y (en) * 1993-12-10 1994-07-06 北京市热风炉制造厂 Hot-blast stove
JPH1130443A (en) * 1997-07-09 1999-02-02 Junko Harashima Waste heat recovery device
CN2641528Y (en) * 2003-08-27 2004-09-15 金华明 Manual/automatic two-purpose coal combustion hot-blast stove
CN101660840A (en) * 2009-09-28 2010-03-03 于绍文 Hot-blast stove with combustion equipment
CN201672672U (en) * 2010-06-01 2010-12-15 王金光 Multi-functional air heater
CN202947312U (en) * 2012-11-27 2013-05-22 四川省登尧机械设备有限公司 Metal hot-blast stove

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包钢炼铁厂热风炉余热回收装置设计及使用;林素娟等;《包钢科技》;20040225;第30卷(第01期);全文 *

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