CN103335506A - Drying house for multi-level utilization of waste heat of chimney flue - Google Patents
Drying house for multi-level utilization of waste heat of chimney flue Download PDFInfo
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- CN103335506A CN103335506A CN2013102306074A CN201310230607A CN103335506A CN 103335506 A CN103335506 A CN 103335506A CN 2013102306074 A CN2013102306074 A CN 2013102306074A CN 201310230607 A CN201310230607 A CN 201310230607A CN 103335506 A CN103335506 A CN 103335506A
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- flue
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- chimney flue
- finned
- drying room
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Abstract
The invention discloses a drying house for the multi-level utilization of the waste heat of a chimney flue. The front end of a connecting chimney flue of the drying house is connected with the outlet of a one-stage dust remover; the rear end of the connecting chimney flue extends to a finned tube radiator after passing through an inlet chimney flue; finned tubes are respectively arranged on two sides of the inlet chimney flue and an outlet chimney flue; a fan blade shaft and fan blades are arranged between the finned tubes; the fan blade shaft and the fan blades are connected with a driving pulley and a driven pulley though a transmission belt; two sides of the inlet chimney flue are connected with upper side smoke pipes; two sides of the inlet chimney flue are welded with lower side smoke pipes; one ends of lateral finned tubes are connected with the upper side smoke pipes; the other ends of the lateral finned tubes are connected with the lower side smoke pipes; a hot air duct is arranged on the connecting chimney duct and is connected with a blower air inlet pipe through a hot air connecting pipe. Through the adoption of the drying house, fuel for drying materials can be saved; low-level heat originally exhausted to the environment is returned to a firebox to promote high-efficient combustion in the firebox; the fuel utilization rate is improved; the energy consumption is lowered; thermal pollution to the environment is reduced.
Description
Technical field
The present invention relates to a kind of flue Waste Heat Recovery use device.
Background technology
The industrial material drying room uses steam, conduction oil, hot blast to be thermal source usually, and the article that moisture content is higher are dried.The generation of these thermals source be unable to do without boiler, all wants consume fuel, also will produce corresponding smoke contamination and thermal pollution.This advocates energy-saving and emission-reducing with country, implementation low-carbon (LC) shape circular economy concept is incompatible.Also has and utilize the waste heat drying room that flue heat can drying article, but this drying room sucks pressurization by air blast with air, utilize gas-gas heat exchanger with flue gas heat energy air heat, utilize draught head to be sent in the drying room material dried.Drying room waste gas enters atmosphere, and atmosphere is constituted certain thermal pollution, not to this part Lowlevel thermal energy recycling in addition.
Summary of the invention
The objective of the invention is to propose a kind of flue used heat and utilize drying room at many levels, it can save oven dry material institute consume fuel, original Lowlevel thermal energy discharged to environment can also be returned burner hearth and promote efficient burning in the burner hearth, improves fuel availability, reduce energy resource consumption, reduce environmental thermal pollution.
The technical scheme that the present invention solves the problems of the technologies described above is: a kind of flue used heat utilizes drying room at many levels, comprise the connection flue, flue, finned tubular radiator, finned tube, smoke outlet flue, blade shaft, fan blade, driving pulley, driven pulley, last side smoke tube, the side finned tube, following side smoke tube, hot-flow flue and air blast blast pipe, described connection flue front end is connected with the outlet of primary dust removing device, the rear end via flue to finned tubular radiator, described finned tube is laid in flue respectively, the smoke outlet flue both sides, the centre is provided with blade shaft and fan blade, blade shaft and fan blade are through driving-belt and driving pulley, driven pulley connects, the flue both sides connect goes up side smoke tube, the both sides dress weldering of smoke outlet flue is side smoke tube down, described side finned tube one end is connected with last side smoke tube, the other end is connected with following side smoke tube, described hot-flow flue is installed in and connects above the flue, and hot-flow flue is connected with the air blast blast pipe through the hot blast tube connector.
Be covered with metal fin on the described finned tube body.
Be equiped with many group fan blades on the described blade shaft.
Described connection flue, hot-flow flue end face loam cake have awning.
Described flue used heat utilizes operation principle and the process of drying room at many levels:
At boiler back end ductwork one cover finned tubular radiator is set, high-temperature flue gas adds hot-air by radiating tube fin huge surface area, utilize the fan blade rotation that hot-air is stirred, thermal current is flowed in drying room, and damp-heat air pressurizes through air blast by in flue upper hot wind tunnel and hot blast tube connector, the air blast blast pipe suction air blast, hot blast is admitted to burner hearth and participates in burning, combustion air after the preheating has promoted red-hot burning in the stove, has also reclaimed Lowlevel thermal energy simultaneously, falls few to environmental thermal pollution.Damp-heat air is extracted out in the drying room, makes and forms negative pressure in the drying room, and the air inlet of cold air below smoke outlet flue sucks, and controls in setting range by air regulation being made air themperature in the drying room, humidity.Open the drying room door and take a breath greatly behind drying materials, siccative is taken out in the cooling back, carries out next round oven dry operation.Also can process many oven dry materials vehicles, the cloth material process is finished outside drying room, shortening personnel holdup time in drying room.
Beneficial effect of the present invention is:
Utilize flue used heat that material moisture is dried, not only saved oven dry material institute consume fuel, original Lowlevel thermal energy discharged to environment can also be returned burner hearth and promote efficient burning in the burner hearth, improve fuel availability, reduce energy resource consumption, reduce environmental thermal pollution.
Description of drawings
Fig. 1 utilizes the structural representation of drying room at many levels for flue used heat of the present invention.
Fig. 2 utilizes the vertical view of drying room at many levels for flue used heat of the present invention.
Fig. 3 utilizes the side view of drying room at many levels for flue used heat of the present invention.
Specific embodiments
Below by drawings and Examples technical scheme of the present invention is further described.
As shown in Figure 1 to Figure 3, flue used heat of the present invention utilizes drying room at many levels, comprise and connect flue 35, flue 3, finned tubular radiator 4, finned tube 5, smoke outlet flue 6, blade shaft 12, fan blade 13, driving pulley 16, driven pulley 17, last side smoke tube 8, side finned tube 9, following side smoke tube 11, hot-flow flue 22 and air blast blast pipe 24, described connection flue 35 front ends are connected with 2 outlets of primary dust removing device, the rear end via flue 3 to finned tubular radiator 4, described finned tube 5 is laid in flue 3 respectively, smoke outlet flue 6 both sides, the centre is provided with blade shaft 12 and fan blade 13, flue 3 both sides have connected last side smoke tube 8, the both sides dress of smoke outlet flue 6 has welded time side smoke tube 11, described side finned tube 9 one ends are connected with last side smoke tube 8, the other end is connected with following side smoke tube 11, described hot-flow flue 22 is installed in and connects above the flue 35, and hot-flow flue 22 is connected with air blast blast pipe 24 through hot blast tube connector 23.
Be covered with metal fin on described finned tube 5 bodys.
Be equiped with many group fan blades 13 on the described blade shaft 12.
Described connection flue 35, hot-flow flue 22 end face loam cakes have awning 32.
Operation principle and process:
High-temperature flue gas stream enters in the finned tubular radiator 4 from boiler discharge flue 1, primary dust removing device 2, flue 3.The high-temperature flue gas that enters in the flue 3 injects in the finned tube 5 along separate routes, flue gas heat is dispelled the heat by means of the fin huge surface area, constantly with the heat transferred air, air themperature fast rises near making finned tubular radiator 4, be contained in finned tubular radiator 4 middle part blade shafts 12 under motor-driven, through driving wheel 16, driving-belt, driven pulley 17 transmissions, drive fan blade 13 rotations, room air is stirred, under heat radiation and gaseous exchange acting in conjunction, each position temperature difference reduces in the drying room, and fan blade 13 quantity are generally established the 2-6 group according to the drying room length setting.
The last side smoke tube 8 of flue 3 both sides has been shunted part high-temperature flue gas stream, enter in the smoke outlet flue 6 by side smoke tube 11 under transverse finned tube 9 warps, discharging flue gas with finned tube 5 converges, transverse finned tube 9 heat that gives out is in the minimum position of drying room side wall, thereby make drying room temperature lowest part position obtain heating up, build uniform relatively Temperature Distribution field in the drying room.
Material moisture in drying course constantly evaporates, and humidity will continue to rise in the drying room, damp-heat air suitably must be discharged, and just can make the drying course quickness and high efficiency.Hot-air proportion lightens relatively, exhaust outlet 21 is arranged on above the flue 3, damp-heat air is together with flue 3 distribute heats, enter in the air blast blast pipe 24 through hot-flow flue 22, hot blast tube connector 23, the blower wheel fast rotational is taken damp-heat air away continuously, forms certain negative pressure in the drying room, and cold air constantly replenishes in drying room from air inlet 19, air inlet 20, simultaneously also play the regulating and controlling temperature effect in reduction drying room humidity, the interior temperature of drying room, humidity are remained in the OK range.Hot-flow flue 22, be installed in and connect above the flue 35, be connected with air blast blast pipe 24 through hot blast tube connector 23.Hot blast is reverse flow with flue gas on connect flue 35, promote heat exchange efficiency to improve.
Being entered burner hearth by air blast pressurization damp-heat air can be combustion-supporting fast.Promoted fuel burning in advance, and improve the red-hot degree of burning.Clip band water vapour also is a kind of heat carrier in the pyrotechnics air-flow, participates in the boiler hot conduction, promotes power conversion, and used heat has obtained continuous recycling by finned tubular radiator 4 in the discharge boiler smoke stream.When drying room is vacant in boiler running process or during drying materials, heat energy is recovered in the burner hearth entirely in the drying room, only change the period at material and must open two fan feeding gates, wherein at the Yishanmen mouth axial flow blower is set, extract high temperature air in the room out, cold wind injects from another fan doorway, reduces the drying room temperature fast, is convenient to personnel and enters and carry out material and change; Also can process many oven dry materials vehicles, the cloth material process is finished outside drying room, shortening personnel holdup time in drying room.
Finned tubular radiator 4 is made up of flue 3, smoke outlet flue 6 and finned tube 5, the full packages metal fin of reeling on finned tube 5 bodys.
Finned tube 5 calibers and quantity are selected foundation: the one, and be according to the maximum exhaust smoke level of boiler; The 2nd, determined by flue gas flow rate in the finned tube and resistance.
Base plate and the smoke outlet flue 6 top board pore laying-downs of finned tube 5 quantity, the selected laggard flue 3 of advancing of caliber, the most handy high-pressure water bundle of pore add the cutting of corundum water cutter or machine drill punching, but the grip plate face is indeformable, is convenient to install assembly welding.Do not have above-mentioned condition can use the air plasma arc cutting, the flame cutting of unavailable oxygen and combustion gas combination is in order to avoid produce the sheet material torsional deformation.
14 is fore bearing among the figure, and 15 is rear bearing, and 18 is the transmission device support.
Essential implementation
1, connect flue 35 before the drying room, hot-flow flue 22 end face loam cakes have awning 32, are that dry material is soaked with rain when preventing rainy day replacing material; Also be one and put material, material entrucking, material package place.
2, inorganic particulate matter is more in the boiler discharge flue 1 interior flue gas, flow velocity was accelerated when flue gas entered finned tube 5 mouths of pipe, particle kinetic energy increases; utmost point Yang bores a hole mouth of pipe end wear, cause gas leakage, Yan Qi Zhong Clip band fine flame Fei Chu Yang ignites dry material and initiation fire has installed primary dust removing device 2 additional for this reason before connection connects flue 35, the filtering grit is to improve the drying room security.
3, longer as drying room, blade shaft 12 is easy to generate and curls up curvature more greatly, and the axle bearings at both ends must be selected self-aligning ball bearing for use.Curling up another excessive solution of curvature is: can set up middle (center) bearing 34 at the axle middle part, utilize 6 four angles of flue 3 and smoke outlet flue to make fulcrum, with pole the bearing holder (housing, cover) centering be fixed.
4, air blast blast pipe 24 must arrange a gas flow modulation door to the air blast airduct, is used for the ventilation volume of regulation and control drying room, also needs to install a cold wind air inlet adjustment door at the blower inlet end simultaneously, in order to regulate the required combustion-supporting air quantity of boiler.
5,1 grade of deduster 2 before the flue 3, connection flue 35, boiler are discharged flue 1 outside and must be added heat preserving and insulating material 25, to reduce heat energy dissipation.
6, boiler room when design Wall behind the boiler room will reserve 33 outsides the present invention and mark the facility place, as 1 grade of deduster, awning, drying room main body, moisture film mist dust remover, air-introduced machine and chimney.
7, blade shaft 12 transmission devices; Bian of the present invention belt wheel transmission, in order to simplify transmission mechanism, drive motors is selected 6 utmost point slow speed motors for use.As select for use electromechanical integration adjustable speed-changing machine to carry out transmission, that can be given and install, use and all bring more convenience.
Claims (4)
1. a flue used heat utilizes drying room at many levels, comprise the connection flue, flue, finned tubular radiator, finned tube, smoke outlet flue, blade shaft, fan blade, driving pulley, driven pulley, last side smoke tube, the side finned tube, following side smoke tube, hot-flow flue and air blast blast pipe, it is characterized in that, described connection flue front end is connected with the outlet of primary dust removing device, the rear end via flue to finned tubular radiator, described finned tube is laid in flue respectively, the smoke outlet flue both sides, the centre is provided with blade shaft and fan blade, blade shaft and fan blade are through driving-belt and driving pulley, driven pulley connects, the flue both sides connect goes up side smoke tube, the both sides dress weldering of smoke outlet flue is side smoke tube down, described side finned tube one end is connected with last side smoke tube, the other end is connected with following side smoke tube, described hot-flow flue is installed in and connects above the flue, and hot-flow flue is connected with the air blast blast pipe through the hot blast tube connector.
2. flue used heat utilizes drying room at many levels according to claim 1, it is characterized in that, is covered with metal fin on the described finned tube body.
3. flue used heat utilizes drying room at many levels according to claim 1, it is characterized in that, is equiped with many group fan blades on the described blade shaft.
4. flue used heat utilizes drying room at many levels according to claim 1, it is characterized in that, described connection flue, hot-flow flue end face loam cake have awning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102306074A CN103335506A (en) | 2013-06-09 | 2013-06-09 | Drying house for multi-level utilization of waste heat of chimney flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102306074A CN103335506A (en) | 2013-06-09 | 2013-06-09 | Drying house for multi-level utilization of waste heat of chimney flue |
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| CN103335506A true CN103335506A (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102306074A Pending CN103335506A (en) | 2013-06-09 | 2013-06-09 | Drying house for multi-level utilization of waste heat of chimney flue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359325A (en) * | 2014-11-06 | 2015-02-18 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln furnace waste gas heat energy double-cycle recovery method and device |
| CN104705423A (en) * | 2015-03-27 | 2015-06-17 | 吉首大学 | Tail heat recycling rendering kettle |
Citations (6)
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| CN200982801Y (en) * | 2006-12-19 | 2007-11-28 | 廖辉 | Hot blast drying apparatus for timber |
| CN201237426Y (en) * | 2008-06-27 | 2009-05-13 | 佛山市摩德娜机械有限公司 | Self-circulation drying plant |
| KR20100057487A (en) * | 2008-11-21 | 2010-05-31 | 황보기철 | Electrical drying system |
| CN201697442U (en) * | 2010-05-21 | 2011-01-05 | 赵真民 | Hot air drying device |
| CN102228105A (en) * | 2010-09-27 | 2011-11-02 | 淳安县枫树岭中药材专业合作社 | Processing technology and device of white chrysanthemum |
| KR20120077951A (en) * | 2010-12-31 | 2012-07-10 | (재)한국섬유기계연구소 | Heat recovery device of naturally dyed fabrics drier by led |
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2013
- 2013-06-09 CN CN2013102306074A patent/CN103335506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982801Y (en) * | 2006-12-19 | 2007-11-28 | 廖辉 | Hot blast drying apparatus for timber |
| CN201237426Y (en) * | 2008-06-27 | 2009-05-13 | 佛山市摩德娜机械有限公司 | Self-circulation drying plant |
| KR20100057487A (en) * | 2008-11-21 | 2010-05-31 | 황보기철 | Electrical drying system |
| CN201697442U (en) * | 2010-05-21 | 2011-01-05 | 赵真民 | Hot air drying device |
| CN102228105A (en) * | 2010-09-27 | 2011-11-02 | 淳安县枫树岭中药材专业合作社 | Processing technology and device of white chrysanthemum |
| KR20120077951A (en) * | 2010-12-31 | 2012-07-10 | (재)한국섬유기계연구소 | Heat recovery device of naturally dyed fabrics drier by led |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359325A (en) * | 2014-11-06 | 2015-02-18 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln furnace waste gas heat energy double-cycle recovery method and device |
| CN104359325B (en) * | 2014-11-06 | 2016-08-24 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln heat energy from waste gas Two-way Cycle recovery method and device |
| CN104705423A (en) * | 2015-03-27 | 2015-06-17 | 吉首大学 | Tail heat recycling rendering kettle |
| CN104705423B (en) * | 2015-03-27 | 2017-11-28 | 扬州奥巴玛科技发展有限公司 | A kind of tail recuperation of heat oil refining cauldron |
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Application publication date: 20131002 |