CN101897363B - Air-returning decompression type high temperature hot blast stove capable of dedusting and removing smoke with calandria - Google Patents
Air-returning decompression type high temperature hot blast stove capable of dedusting and removing smoke with calandria Download PDFInfo
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- CN101897363B CN101897363B CN201010209086A CN201010209086A CN101897363B CN 101897363 B CN101897363 B CN 101897363B CN 201010209086 A CN201010209086 A CN 201010209086A CN 201010209086 A CN201010209086 A CN 201010209086A CN 101897363 B CN101897363 B CN 101897363B
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Abstract
The invention provides an air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with a calandria. A waste heat return aircourse is arranged on an upper hearth of a combustion furnace, the waste heat return aircourse is communicated with a hot-blast air cavity in an inlayer of the upper hearth and is communicated with a hot-blast air outlet by a hot-blast air cavity in an outer layer; a smoke dust cavity of the upper hearth is communicated with a smoke dust channel through a smoke dust channel port and a draught fan, and the smoke dust channel is communicated with a dedusting and smoke-removing device; and a waste heat recovering mechanism comprises a fresh air inlet arranged on the dedusting and smoke-removing device, wherein the fresh air inlet is communicated with a waste heat cavity in the dedusting and smoke removing device through a fresh air cavity in the dedusting and smoke removing device, one side of the waste heat cavity is provided with a waste heat outlet, a waste heat blower is arranged on the waste heat outlet, and the waste heat blower is communicated with a waste heat return aircourse. The invention reduces pollution of smoke dust to atmosphere and is beneficial to protecting environment; after the fresh air enters, the fresh air has the constant temperature after heating for multiple times and has constant air-out flow, thereby improving effects of firing and green-removing of tea leaves, and being beneficial to improve firing quality of the tea leaves.
Description
Technical field
The present invention relates to a kind of high temperature hot-blast furnace, specifically relate to a kind of air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria.
Background technology
Tealeaves smoke and the process that completes in need high temperature hot-blast furnace that the hot blast of temperature and constant flow is provided.High temperature hot-blast furnace of the prior art since structural design unreasonable, leaving air temp and flow all are difficult to stablize, cause smoke and the effect of the tealeaves that completes relatively poor; Especially during tea green-keeping or complete inadequately, blade is too blue or green, and it is excessive perhaps to complete; Blade is withered and yellow; These bring a lot of troubles all for frying tealeaves, even reduce the quality of tealeaves, influence tea grower's income.Most high temperature hot-blast furnace all is not provided with dedusting smoke abatement device, and flue dust flies away everywhere during use, contaminated air, very not environmental protection.
Summary of the invention
The present invention solves above-mentioned existing in prior technology technical problem, and a kind of air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria is provided.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria; Comprise combustion furnace and dedusting smoke abatement device and be arranged on the waste heat recovering mechanism on the dedusting smoke abatement device; Be provided with the waste heat air-return duct above the upper furnace of said combustion furnace; The waste heat air-return duct is communicated to the internal layer hot blast chamber of upper furnace; Be communicated to the hot blast air outlet through outer hot blast chamber again, the upper end of outer hot blast chamber is connected through the heating plate on upper furnace top, and the heating plate of hollow is heated on upper furnace top; Hot blast in it is heated after the hot blast air outlet is delivered to tea-processing equipments such as tea water-removing machine; The some through holes that are provided with on the heating plate get into the flue dust chamber as flue guiding flue dust, and the flue dust chamber of upper furnace is communicated to smoke dust duct through flue dust road junction and air-introduced machine, and smoke dust duct is communicated to dedusting smoke abatement device; Said waste heat recovering mechanism comprises the new wind air inlet that is arranged on the dedusting smoke abatement device; The new new wind chamber of wind air inlet in dedusting smoke abatement device is communicated to the waste heat chamber in the dedusting smoke abatement device; One side of waste heat chamber is provided with the waste heat air outlet; The sidewall of waste heat air outlet is provided with the benefit air door, mends air door and mainly be to be used for compensating the intake that puts out the stylish wind of stove, can be so that the stove fast cooling; Also can when air feed, compensate the intake of new wind in right amount, regulate leaving air temp, be provided with the waste heat pressure fan above the waste heat air outlet, the waste heat pressure fan is communicated to the waste heat air-return duct; The sidewall of said waste heat chamber is provided with the decompression airduct; The upper end of decompression airduct is communicated with ambient atmosphere after throttling; The lower end of decompression airduct is communicated to the decompression chamber in the waste heat recovering mechanism, and the lower end of decompression chamber is provided with the flue air outlet, and the flue air outlet is communicated to smoke exhaust pipe through the flue blower fan.Behind spraying and dedusting, most of flue dust all has been eliminated flue dust in the combustion furnace in dedusting smoke abatement device, and salubrious flue gas is attracted to by the flue blower fan and is discharged in the underground piping in the smoke exhaust pipe again or directly emits also passable; The pressure that the decompression airduct utilizes natural wind to come the balanced-flue blower fan in decompression chamber, to be produced also helps reducing use cost.
As preferably, be provided with shower nozzle in the spray chamber of said dedusting smoke abatement device, the dust hopper below the shower nozzle is communicated to water tank, and the water pipe of shower nozzle is arranged in the water tank through water pump; The bottom of said water tank is provided with dredge pump through pipeline, when the dust and dirt of water tank bottom deposition more for a long time, need to open dredge pump and discharge dust and dirt, and the water in an amount of subsidiary water tank, so that recycle during the dedusting smoke abatement.
As preferably, be built into refractory brick around the combustion chamber of said combustion furnace, chamber temperature is very high, and refractory brick can be protected body of heater, prolongs its service life; The transition junction of combustion chamber and upper furnace is provided with high temperature resistant stripper loop, and the temperature of both transition junctions is also very high, and high temperature resistant stripper loop can select for use high-temperature steel or potter's clay to make, and is used for protecting the wall body of internal layer hot blast chamber, prolongs its service life.
The present invention utilizes dedusting smoke abatement device to remove flue dust and discharges, has reduced the pollution to atmosphere, helps protecting environment; Heated by the waste heat of smoke dust duct before this behind the new wind air intake; Enter into internal layer hot blast chamber and outer hot blast chamber in upper furnace, is heated after the hot blast air outlet is delivered to tea-processing equipments such as tea water-removing machine through the waste heat air-return duct again; Btu utilization is comparatively abundant, and new wind is comparatively constant by temperature after heating for multiple times, and the size that new wind air inlet rationally is set can constant air-out flow; Improved and smoked and the effect of the tealeaves that completes, helped improving the frying quality of tealeaves; The decompression airduct utilizes natural wind to come the balanced-flue blower fan at pressure that decompression chamber produced; Reduce use cost, also help stablizing the pressure of smoke dust duct, make combustion chambers burn steady; The temperature of constant upper furnace, constant further hot blast air outlet leaving air temp.The present invention has characteristics such as simple in structure, reasonable in design.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:, the present invention includes combustion furnace and dedusting smoke abatement device and be arranged on the waste heat recovering mechanism on the dedusting smoke abatement device referring to Fig. 1.Wherein be built into refractory brick 9 around the combustion chamber 10 of combustion furnace, chamber temperature is very high, and refractory brick can be protected body of heater, prolongs its service life, and the lower hearth 8 of combustion furnace is used for removing ashes; Combustion chamber 10 is provided with high temperature resistant stripper loop 7 with the transition junction of upper furnace 6, and the temperature of both transition junctions is also very high, and high temperature resistant stripper loop can select for use high-temperature steel or potter's clay to make, and is used for protecting the wall body of internal layer hot blast chamber 3, prolongs its service life.Be provided with waste heat air-return duct 1 above the upper furnace 6 of combustion furnace; Waste heat air-return duct 1 is communicated to the internal layer hot blast chamber 3 of upper furnace 6; Be communicated to hot blast air outlet 4 through outer hot blast chamber 2 again; The heating plate 5 of upper end through upper furnace 6 tops of outer hot blast chamber 2 is connected; The heating plate 5 of hollow is heated on upper furnace 6 tops, and the hot blast in it is heated after hot blast air outlet 4 is delivered to tea-processing equipments such as tea water-removing machine, and the some through holes that are provided with on the heating plate 5 get into the flue dust chamber as flue guiding flue dust.The flue dust chamber 14 of upper furnace 6 through the flue dust road junction 12 with air-introduced machine 13 be communicated to smoke dust duct 15, smoke dust duct 15 is communicated to dedusting smoke abatement device, air-introduced machine 13 is arranged on a side of combustion furnace through air-introduced machine support 11.Dedusting smoke abatement device is arranged on the dedusting smoke abatement appliance stand 21, is provided with shower nozzle 27 in its spray chamber 28, and shower nozzle 27 following dust hoppers 23 are communicated to water tank 24; The water pipe of shower nozzle 23 is arranged in the water tank 24 through water pump 26; The bottom of water tank 24 is provided with dredge pump 25 through pipeline, when the dust and dirt of water tank 24 bottom deposits more for a long time, need to open dredge pump 25 and discharge dust and dirt; And the water of 24 li of an amount of subsidiary water tank, so that recycle during the dedusting smoke abatement.Waste heat recovering mechanism comprises the new wind air inlet 33 that is arranged on the dedusting smoke abatement device; The new new wind chamber 30 of wind air inlet 33 in dedusting smoke abatement device is communicated to the waste heat chamber 29 in the dedusting smoke abatement device; One side of waste heat chamber 29 is provided with waste heat air outlet 17; The sidewall of waste heat air outlet 17 is provided with mends air door 18, mends air door 18 and mainly be to be used for compensating the intake that puts out the stylish wind of stove, can be so that the stove fast cooling; Also can when air feed, compensate the intake of new wind in right amount, regulate leaving air temp; Be provided with waste heat pressure fan 16 above the waste heat air outlet 17, waste heat pressure fan 16 is communicated to waste heat air-return duct 1.The sidewall of waste heat chamber 29 is provided with decompression airduct 32; The upper end of decompression airduct 32 is communicated with ambient atmosphere after throttling; The lower end of decompression airduct 32 is communicated to the decompression chamber 31 in the waste heat recovering mechanism; The lower end of decompression chamber 31 is provided with flue air outlet 20; Flue air outlet 20 is communicated to smoke exhaust pipe 22 through flue blower fan 19, and behind spraying and dedusting, most of flue dust all has been eliminated the flue dust in the combustion furnace in dedusting smoke abatement device; Salubrious flue gas by flue blower fan 19 be attracted to be discharged into again in the smoke exhaust pipe 22 in the underground piping or directly emit also passable, the pressure that decompression airduct 32 utilizes natural wind to come balanced-flue blower fan 19 in decompression chamber 31, to be produced.
The course of work of the present invention is such: the combustion chamber fuel by the air blast air blast after fully the burning; Ashes after the burning are disposed from lower hearth; The temperature of upper furnace raises rapidly during burning, and flue dust is pooled to the flue dust chamber after flue dust road junction and air-introduced machine attracted to smoke dust duct, and smoke dust duct is communicated to dedusting smoke abatement device and carries out spraying and dedusting; Minimizing is protected environment to the pollution of atmosphere; New wind air inlet on the smoke abatement of the dedusting simultaneously device replenishes new wind after the waste heat heating of smoke dust duct; Enter into internal layer hot blast chamber and outer hot blast chamber is heated through the waste heat air-return duct in upper furnace again; The hot blast of temperature and constant flow is delivered to tea-processing equipments such as tea water-removing machine through the hot blast air outlet; Improved and smoked and the effect of the tealeaves that completes, helped improving the frying quality of tealeaves.
At last, should be pointed out that above embodiment only is the more representational example of the present invention.Obviously, the invention is not restricted to the foregoing description, many distortion can also be arranged.Every foundation technical spirit of the present invention all should be thought to belong to protection scope of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (3)
1. an air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria comprises combustion furnace and dedusting smoke abatement device and is arranged on the waste heat recovering mechanism on the dedusting smoke abatement device, it is characterized in that:
Be provided with waste heat air-return duct (1) above the upper furnace of said combustion furnace (6); Waste heat air-return duct (1) is communicated to the internal layer hot blast chamber (3) of upper furnace (6); Be communicated to hot blast air outlet (4) through outer hot blast chamber (2) again; The heating plate (5) of upper end through upper furnace (6) top of outer hot blast chamber (2) is connected, and the flue dust chamber (14) of upper furnace (6) is communicated to smoke dust duct (15) through flue dust road junction (12) and air-introduced machine (13), and smoke dust duct (15) is communicated to dedusting smoke abatement device;
Said waste heat recovering mechanism comprises the new wind air inlet (33) that is arranged on the dedusting smoke abatement device; The new new wind chamber (30) of wind air inlet (33) in dedusting smoke abatement device is communicated to the waste heat chamber (29) in the dedusting smoke abatement device; One side of waste heat chamber (29) is provided with waste heat air outlet (17); The sidewall of waste heat air outlet (17) is provided with mends air door (18), is provided with waste heat pressure fan (16) above the waste heat air outlet (17), and waste heat pressure fan (16) is communicated to waste heat air-return duct (1);
The sidewall of said waste heat chamber (29) is provided with decompression airduct (32); The upper end of decompression airduct (32) is communicated with ambient atmosphere after throttling; The lower end of decompression airduct (32) is communicated to the decompression chamber (31) in the waste heat recovering mechanism; The lower end of decompression chamber (31) is provided with flue air outlet (20), and flue air outlet (20) is communicated to smoke exhaust pipe (22) through flue blower fan (19).
2. air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria according to claim 1; It is characterized in that: be provided with shower nozzle (27) in the spray chamber (28) of said dedusting smoke abatement device; Dust hopper (23) below the shower nozzle (27) is communicated to water tank (24); The water pipe of shower nozzle (27) is arranged in the water tank (24) through water pump (26), and the bottom of said water tank (24) is provided with dredge pump (25) through pipeline.
3. air-returning decompressing high temperature hot blast stove capable of dedusting and removing smoke with calandria according to claim 1; It is characterized in that: the combustion chamber of said combustion furnace (10) use refractory brick (9) to be built on every side, and combustion chamber (10) are provided with high temperature resistant stripper loop (7) with the transition junction of upper furnace (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010209086A CN101897363B (en) | 2010-06-24 | 2010-06-24 | Air-returning decompression type high temperature hot blast stove capable of dedusting and removing smoke with calandria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010209086A CN101897363B (en) | 2010-06-24 | 2010-06-24 | Air-returning decompression type high temperature hot blast stove capable of dedusting and removing smoke with calandria |
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| Publication Number | Publication Date |
|---|---|
| CN101897363A CN101897363A (en) | 2010-12-01 |
| CN101897363B true CN101897363B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010209086A Expired - Fee Related CN101897363B (en) | 2010-06-24 | 2010-06-24 | Air-returning decompression type high temperature hot blast stove capable of dedusting and removing smoke with calandria |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865023B (en) * | 2016-04-28 | 2019-01-29 | 安徽谷丰机械科技有限公司 | A kind of environment-friendly and energy-efficient hot-blast stove |
| CN106359681A (en) * | 2016-11-02 | 2017-02-01 | 岳西县长城机械有限公司 | Intelligent electrothermal type high-temperature hot-air fixation tea making combined unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408716A (en) * | 1982-03-01 | 1983-10-11 | Rockwell Leon G | Flue gas heat recovery system |
| CN2208210Y (en) * | 1994-05-23 | 1995-09-20 | 韩万顺 | Grain-drying hot-air furnace |
| CN101221021A (en) * | 2008-01-07 | 2008-07-16 | 成琳国 | Flue gas condenser |
| CN101650072A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Multi-stage heat-exchange and waste heat recovery hot-air system with function of purifying fuel gas |
| CN201733790U (en) * | 2010-06-24 | 2011-02-09 | 浙江绿峰机械有限公司 | Air-return and pressure-reduction type high temperature hot air furnace with dust and smoke removal pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3091197B1 (en) * | 1999-12-03 | 2000-09-25 | 川崎重工業株式会社 | Method and apparatus for reducing dioxins in garbage gasification and melting equipment with char separation method |
-
2010
- 2010-06-24 CN CN201010209086A patent/CN101897363B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408716A (en) * | 1982-03-01 | 1983-10-11 | Rockwell Leon G | Flue gas heat recovery system |
| CN2208210Y (en) * | 1994-05-23 | 1995-09-20 | 韩万顺 | Grain-drying hot-air furnace |
| CN101221021A (en) * | 2008-01-07 | 2008-07-16 | 成琳国 | Flue gas condenser |
| CN101650072A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Multi-stage heat-exchange and waste heat recovery hot-air system with function of purifying fuel gas |
| CN201733790U (en) * | 2010-06-24 | 2011-02-09 | 浙江绿峰机械有限公司 | Air-return and pressure-reduction type high temperature hot air furnace with dust and smoke removal pipe |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-165426A 2001.06.22 |
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| CN101897363A (en) | 2010-12-01 |
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Granted publication date: 20121010 Termination date: 20180624 |