CN204574710U - The dry kiln system of a kind of radiator, furnace gas mixing application - Google Patents
The dry kiln system of a kind of radiator, furnace gas mixing application Download PDFInfo
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- CN204574710U CN204574710U CN201420804144.8U CN201420804144U CN204574710U CN 204574710 U CN204574710 U CN 204574710U CN 201420804144 U CN201420804144 U CN 201420804144U CN 204574710 U CN204574710 U CN 204574710U
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Abstract
A dry kiln system for radiator, furnace gas mixing application, comprises an organic heat carrier furnace, a furnace gas blowdown stack, a multi-tube dust cleaner, a boiler induced-draft fan, a furnace gas surge chamber, a plurality of baking room device and tunnel drying kiln; Organic heat carrier furnace is with steam generator and boiler blower; Steam generator connects a heat supply pipeline, and this heat supply pipeline is connected respectively to each baking room device; Boiler blower is connected to a thermal energy recoverer; Multi-tube dust cleaner is connected to boiler induced-draft fan; The airduct of boiler induced-draft fan forms two branch roads, is connected respectively to furnace gas surge chamber and furnace gas blowdown stack; Furnace gas surge chamber is connected respectively to each baking room device.The utility model is lowered the temperature by the tail gas of dry kiln inner air and tunnel drying oven, regulates the humidity of dry-heat air medium, and the convection current interference reducing outside atmosphere air causes thermal loss, realizes tail gas exhaust harmful substance and reclaims.
Description
[technical field]
The utility model relates to the dry kiln system of a kind of radiator, furnace gas mixing application, particularly relates to a kind of combustion wooden waste Industrial Boiler radiator (steam or deep fat) and Boiler Furnace tail-gas of utilizing and is used for the raw material drying such as timber, bamboo wood treatment system.
[background technology]
The way that furnace gas is directly used in dried feed has it for a long time, the brick as brickmaking enterprise is dried, ceramic raw material oven dry, barbecue, flapjack etc.; A kind of anxious formula drying machine of sudden strain of a muscle that adopts is also had also widely to apply in medium density fibre board (MDF) manufacturing enterprise for extremely incendive wood-fibred drying technology, and realize industrialization, utilize the first moisture content of wood-fibred compared with up to more than 80% to 100% nonflammable feature, be sprayed onto on heat smoke, carry out spray to a small amount of smoke spark to go out, if when also having Mars to arrive the position of drying pipeline dry fiber below, adopt the way of spray to prevent fire and occur.The bake drying treatment cycle of the raw materials such as timber, Chinese herbal medicine, coal briquette, bamboo wood was for up to more than 1 day, and what have reaches more than two weeks, very easily burns for the later stage of drying; For the drying process of the raw materials such as extremely incendive timber, Chinese herbal medicine, coal briquette, the dry kiln that production adopts is steam (deep fat) dry kiln and furnace-heated kiln, be all heated by the dry furnace air of heat exchanger indirect to need dry raw material, the two uses simultaneously sometimes.
Before the eighties in last century, domestic furniture, Mu Ye enterprise are little, the woodwork majorities such as furniture are manual production, processing falls behind, also large market could not be formed to the demand of wood raw material, substantially do not have too high requirement to the quality of wood raw material, timber mostly is natural drying or adopts civil engineering manual operation lumber kiln drying.In the later stage eighties, along with expanding economy, the raising of living standards of the people, people are also increasing to the demand of woodwork, along with the appearance of wooden industry furniture enterprise, to the progressively increase of timber board demand, also make timber board start centralization and produce.Wood raw material starts the demand having had amount and quality.Dry technology started to demonstrate importance in this period.Conventional method for drying wood has many kinds, as Steam Heating conventional drying, and furnace gas heating conventional drying, heated-air drying, removal moisture drying, vacuum drying, and hot water and the hydronic conventional drying of high-temperature water etc.
At present, conventional in production timber, bamboo wood dry kiln are steam (deep fat) dry kiln and furnace-heated kiln.Steam (deep fat) dry kiln is for heat carrier with steam (deep fat), by steam radiator heating indoor air, and be that drying medium comes desiccated wood and bamboo wood with Hot wet air heating, its shortcoming is that the furnace gas of the boiler dropped into is not used preferably, causes the waste of heat resource; Furnace gas, by being arranged by boiler chimney after water dust scrubber dedusting, also creates a large amount of water pollutions and air pollution outward; Dry kiln also wants timing or not timing to air dehumidifying, meets raw material drying technological requirement.Furnace-heated kiln take furnace gas as heat carrier desiccated wood and bamboo wood, and its shortcoming is that dry mass is poor, and arid cycle is long.This limitation of two kinds of kilns because of equipment and irrationality of layout, cause that hear rate is large, the temperature difference is large.Because the ash content of organic-fuel waste material, the burning of bamboo wooden waste is lighter, although the hot oil furnace furnace gas tail gas of energy plant employs multi-tube dust cleaner, but ashes accumulation of thick in pipeline, dust removal efficiency is not high, also have impact on the utilization of furnace gas tail gas, be unfavorable for the drying of subsequent article, be particularly unfavorable for the raw material such as veneer and bamboo mat of applying glue or the drying of other raw materials.Because the dry materials cycle is long, in dry kiln, hot gas heat exhaustion is less, and dry kiln tail gas also has higher heat, and is not also recycled preferably, and this part energy is usually directly outer to be arranged; And much equipment in Mu Ye processing enterprise, such as, veneer after veneer dryer, bamboo chip drying machine, applying glue, bamboo mat dryer need again a large amount of heat energy to carry out PROCESS FOR TREATMENT; To the veneer after applying glue, bamboo mat drying, the thermal medium of a large amount of cleanings is needed again to carry out preheating and heat treatment drying.
Dry raw material is high due to temperature, if there is Mars to enter, very easily causes fire incident; Not only require that heat drying medium with Mars, can not also require that heat drying medium is clean, do not allow the dust of heat drying medium to be attached on dry raw material, cause subsequent quality problem.And Boiler Furnace gas bag is containing a large amount of Mars and dust, the raw material drying such as timber and bamboo wood can not be directly applied to.
This limitation of two kinds of kilns because of equipment and irrationality of layout, cause that hear rate is large, the temperature difference is large.
Owing to there is these defects, the many methods of a large amount of researcher's utility model improve the heat utilization rate of dry kiln, as the lumber kiln patent of application number 99202300.9, the Multifunctional rapid wood-drying kiln patent of application number 200420077054.X, a kind of high-performance energy saving lumber kiln patent of application number 200410024033.6, the lumber kiln patent of application number 200710113151.8, a kind of lumber kiln patent of application number 201010119924.5, a kind of lumber kiln patent etc. of application number 201320059531.9, the all unresolved radiator of these patents and flue gas combination drying improve drying efficiency and reduce energy consumption problem.
Also large quantities of scholar and research unit angle research furnace gas (the being flue gas again) tail gas from energy plant and the utilization of waste heat tail gas is had, for the stoving process technology of article, such as application number: 201120210329.2, application (patent right) people: CHangZhou cooperative Boiler Vessel Co., Ltd, patent name: the patent of the energy centre of heat energy and electric energy provides a kind of to high-temperature steam, high-temperature flue gas carries out the energy centre of heat energy and the electric energy utilized, it can fully utilize high-temperature flue gas, economize on resources, improve fuel availability, it is connected with about hot oil furnace the output that heat supply flue gas system the third line mentions described oil oven air-introduced machine at the 6th of claim and connects a mixing chamber, mixing chamber is also connected with the flue gas output of combustion furnace, the flue gas output of mixing chamber is connected to chimney or drying equipment, and realize boiler exhaust gas temperature adjustment with temperature adjustment blower fan 20, do not study and provide the Dryly use of the method and apparatus confession article how boiler high temperature furnace gas uses.
Such as application number: 200620028761.9, apply for (patent right) people: Ren Ruiguo, Wang Qilin, patent name: a kind of hot oil furnace heat supply Wood drying apparatus, its claim is exactly a steam generator.Because heating boiler and dry kiln are the process units of timber industry indispensability.The Utilizing question of hot oil furnace furnace gas is not mentioned in its research yet.
Such as application number: 200910084710.6, apply for (patent right) people: Zhou Yucheng, patent name: a kind of method for drying wood and system, patent provides a kind of wood drying system comprising humidity generator, thermal energy recoverer, filter, reclaim the high-temp waste gas of dry kiln gas outlet, reduce thermal energy consumption.Its claim is not carried boiler furnace gas and is utilized application process.
Such as application number: 201310177371.2, apply for (patent right) people: Tianhua Institute of Chemical Machinery & Automation Co., Ltd., patent name: the fine coal coal gasification powder process of high-moisture coal and Water Sproading integrated system and method thereof, patent provides the method for the heating recycling tail gas of fine coal or other article heating, dryings.Described in its claim Part I the 7th row, sack cleaner I (2) is connected with described absorption tower (3), described surge bunker respectively; The top on absorption tower (3) is connected with carrier gas initial heat stove (4) by circulating fan (14).Described in 6th row, sack cleaner II (10) is connected with described hot-blast stove (9) by air-introduced machine (8).This project organization illustrates that large scale industry system uses process by the collocation of deduster and air-introduced machine, boiler furnace gas and industrial high temperature heat energy tail gas can be carried out fully utilizing and reduces industrial energy consumption.
Such as application number: 201020157711.7, apply for (patent right) people: Tianli Drying Equipment Co., Ltd., Shandong, patent name: a kind of Novel superheated steam drying cooling system, patent provides superheated steam drying cooling system, air and heat smoke is substituted with superheated steam, reduce drying medium flow, reduce power and volume.Its claim, the superheated steam exhaust steam of first paragraph the third line drying device is pressurizeed by pressue device after at least one-level dust arrester, and a road sends drying device back to after entering reheat machine heating; Another road is emptying, carries out waste heat recovery.Furnace gas has also carried out reuse by deduster and air-introduced machine, uses for heat exchanger 16; Furnace gas does not participate in article convection drying.
In view of this, the present inventor furthers investigate for the defect of prior art, then has this case to produce.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of radiator, furnace gas to mix the dry kiln system of application, lowered the temperature by the tail gas of dry kiln inner air and tunnel drying oven, regulate the humidity of dry-heat air medium, the convection current interference reducing outside atmosphere air causes thermal loss, realize drying and the UTILIZATION OF VESIDUAL HEAT IN reuse of the material such as timber and bamboo wood, tail gas exhaust harmful substance reclaims.
The utility model is achieved in that
A dry kiln system for radiator, furnace gas mixing application, comprises an organic heat carrier furnace, a furnace gas blowdown stack, a multi-tube dust cleaner, a boiler induced-draft fan, a furnace gas surge chamber, a plurality of baking room device and tunnel drying kiln;
Described organic heat carrier furnace is with steam generator and boiler blower; Described steam generator connects a heat supply pipeline, and this heat supply pipeline is connected respectively to each baking room device; The furnace gas export of described organic heat carrier furnace connects described multi-tube dust cleaner; Described boiler blower is connected to a thermal energy recoverer;
Described multi-tube dust cleaner is connected to described boiler induced-draft fan;
The outlet airduct of described boiler induced-draft fan connects furnace gas air classifier, and furnace gas air classifier outlet airduct forms two branch roads, is connected respectively to described furnace gas surge chamber and described furnace gas blowdown stack; The airduct that described boiler induced-draft fan connects described furnace gas blowdown stack is provided with a large air door;
Described furnace gas surge chamber is connected respectively to each baking room device;
Described baking room device comprises a baking room, a furnace gas steam hot wind mixing chamber, a lime-ash settling tank, a steam-heating system; Described lime-ash settling tank is positioned at bottom described baking room; The baking room blower fan that described steam-heating system comprises steam radiator and is connected with described steam radiator; Described steam radiator connects described heat supply pipeline, also connects described furnace gas steam hot wind mixing chamber; Described baking room blower fan is connected to described baking room; Described furnace gas surge chamber is connected respectively to the furnace gas steam hot wind mixing chamber of each baking room device, and described furnace gas steam hot wind mixing chamber connects described lime-ash settling tank by a connector;
Pre-add hot arc porch in described tunnel drying kiln arranges tail gas annular nozzle, exit arranges tail gas annular air entry; Steam or deep fat radiator are also installed in described tunnel drying kiln; Described tail gas annular nozzle is connected to each baking room device described, and its connecting pipe is provided with air-introduced machine; Described tail gas annular air entry is connected to described thermal energy recoverer; Described steam or deep fat radiator are connected to described heat supply pipeline, and its connecting pipe is provided with radiator rate-of flow control valve;
Described thermal energy recoverer is also connected to described furnace gas blowdown stack, its connecting pipe is provided with successively air-introduced machine, exhaust emissions air door, air purifier;
Described thermal energy recoverer is also connected to each baking room device described.
Further, the airduct that described furnace gas surge chamber connects described furnace gas steam hot wind mixing chamber is provided with a little air door and a little blower fan.
Further, described lime-ash settling tank top is provided with hole and is connected with described baking room, adopts support to separate in the middle part of described lime-ash settling tank.
Further, between described organic heat carrier furnace and described multi-tube dust cleaner, a straight tube deduster is set between described multi-tube dust cleaner and described boiler induced-draft fan respectively.
The utility model has the advantage of: 1, the existing dry kiln conventional drying time is generally 10 hours, steam vent radius is 5 centimetres, wind speed 5 meter per second, the conventional drying time accounts for total drying time 2/3, the high-temp waste gas 1413 cubic metres that dry run is discharged, the utility model is in whole dry run, the high-temperature furnace gas tail gas exhaust of dry kiln discharge is utilized, and directly can apply the boiler smoke of 400-450 DEG C, lowered the temperature by the tail gas of dry kiln inner air and the discharge of tunnel drying kiln, regulate the humidity of furnace gas hot-air, reduce the convection current interference thermal loss of outside atmosphere air, the drying and the UTILIZATION OF VESIDUAL HEAT IN that meet the material such as timber and bamboo wood reclaim requirement.2, the drying medium adopted due to dry kiln is boiler furnace gas and the furnace air of high temperature drying, not by adding cool exterior air cooling, drying medium moisture content is lower, the drying capacity of drying medium is stronger, it is easier that the temperature of hot-air and humidity regulate, and the heat energy of discharge furnace gas fully reclaims and purifies, reach energy-conservation and efficiency utilization that the is energy, compared with existing drying means, under equal conditions, native system energy-saving effect reaches more than 35%, decreases toxic emission, do not cause environmental pollution, the gas realizing Boiler Furnace tail-gas repeatedly utilizes.3, because the blast pipe of dry kiln is connected with the blower inlet of Industrial Boiler, make full use of the exhaust capacity of air blast, realize a tractor serves several purposes, reduce power consumption; Due to furnace gas hot-air continuous print flowing in dry kiln, achieve the continuous hydrofuge of continuous print dried feed, cancel dehumidifying process cycle, additionally reduce evacuation time and the temperature fall time of dry kiln, the drying time of dry kiln can be made to reduce to 9 hours from 10 hours, realize increasing substantially of dry kiln operating efficiency.4, multi-tube dust cleaner, straight tube deduster and furnace gas air classifier, furnace gas surge chamber, furnace gas hot blast mixing chamber, lime-ash settling tank, be with the setting of the equal wind workbench of hole, remove the dust stratification dirt on pipe-line, improve the quality of furnace gas, boiler furnace gas not only can be used for the drying of timber and bamboo wood, can also to executing the Wooden veneer of upper glue and bamboo mat is dry, and the performance of glue can not be affected due to dust pollution.5, organic heat carrier furnace boiler furnace gas is by the dedusting and after removing Mars together with furnace gas air classifier of multi-tube dust cleaner, straight tube deduster, send into the wind speed that furnace gas surge chamber reduces furnace gas, and carry out two road sedimentations and burning extinguishing removing Mars, what enter that furnace gas steam hot wind mixing chamber blows to baking room blower fan by baking room furnace gas air door again is mixed by steam (deep fat) radiators heat room air, carries out hybrid cooling and reaches operating temperature and be transformed into clean damp-heat air to the timber in hothouse or bamboo wood heating.Realization (steam or deep fat) radiators heat and furnace gas Hybrid Heating dry gas are optimized further, dry to timber and bamboo wood, realize the recycling of Boiler Furnace tail-gas resource, and burning and the carbonization of dried feed can not be caused, reduce energy resource consumption, improve the heat capacity of organic heat carrier furnace.6, by straight tube deduster and furnace gas air classifier, furnace gas surge chamber, furnace gas steam hot wind mixing chamber, lime-ash settling tank, be with the equal wind workbench of hole, the setting of sack cleaner, five road dedusting gathering-device process, boiler high temperature tail gas furnace is so incensed that rational utilization, thus eliminate water dust scrubber, not only avoid the environmental pollution problem caused because of the generation of large amount of sewage, but also avoid the waste of water resource.7, the tail gas that dry kiln and tunnel drying kiln discharge participates in dry kiln furnace gas hot-air humidity, temperature regulates, and waste heat energy, dry steam reuse, and decrease exhaust emissions.
[accompanying drawing explanation]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model structural representation.
[detailed description of the invention]
As shown in Figure 1, a dry kiln system for radiator, furnace gas mixing application, comprises organic heat carrier furnace 1, furnace gas blowdown stack 35, multi-tube dust cleaner 2, boiler induced-draft fan 3, furnace gas surge chamber 4, a plurality of baking room device 7 and tunnel drying kiln 9;
Organic heat carrier furnace 1 is with steam generator 11 and boiler blower 12; Steam generator 11 connects a heat supply pipeline 14, and this heat supply pipeline 14 is connected respectively to each baking room device 7; The furnace gas export of described organic heat carrier furnace 1 connects described multi-tube dust cleaner 2; Described boiler blower 12 is connected to a thermal energy recoverer 97;
Described multi-tube dust cleaner 2 is connected to described boiler induced-draft fan 3;
The airduct of described boiler induced-draft fan 3 forms two branch roads, is connected respectively to described furnace gas surge chamber 4 and described furnace gas blowdown stack 35; The airduct 32 that described boiler induced-draft fan 3 connects described furnace gas blowdown stack 35 is provided with a large air door 34;
Described furnace gas surge chamber 4 is connected respectively to each baking room device;
Described baking room device comprises baking room 7, furnace gas steam hot wind mixing chamber 55, lime-ash settling tank 6, steam-heating system; Described lime-ash settling tank 6 is positioned at bottom described baking room 7; The baking room blower fan 82 that described steam-heating system comprises steam radiator 81 and is connected with described steam radiator 81; Described steam radiator 81 is connected described heat supply pipeline 14 by rate-of flow control valve 86, is also connected described furnace gas steam hot wind mixing chamber 55; Described baking room blower fan 82 is connected to described baking room 7; Described furnace gas surge chamber 4 is connected respectively to the furnace gas steam hot wind mixing chamber 55 of each baking room device, and described furnace gas steam hot wind mixing chamber 55 connects described lime-ash settling tank 6 by a connector;
The airduct 42 that described furnace gas surge chamber 4 connects described furnace gas steam hot wind mixing chamber 55 is provided with little air door 43 and a little blower fan 44.
Described lime-ash settling tank 6 top is provided with hole 63 and is connected with described baking room, adopts support 62 to separate in the middle part of described lime-ash settling tank 6.
One straight tube deduster 17,22 is set between described organic heat carrier furnace 11 and described multi-tube dust cleaner 2, between described multi-tube dust cleaner 2 and described boiler induced-draft fan 3 respectively.
Pre-add hot arc porch in described tunnel drying kiln 9 arranges tail gas annular nozzle 95, exit arranges tail gas annular air entry 96; Steam or deep fat radiator 93 are also installed in described tunnel drying kiln 9; Described tail gas annular nozzle 95 is connected to each baking room device described, and its connecting pipe is provided with air-introduced machine 99; Described tail gas annular air entry 96 is connected to described thermal energy recoverer 97; Described steam or deep fat radiator 93 are connected to described heat supply pipeline 14, and its connecting pipe is provided with radiator rate-of flow control valve 94;
Described thermal energy recoverer 97 is also connected to described furnace gas blowdown stack 35, its connecting pipe is provided with successively air-introduced machine 39, exhaust emissions air door 38, air purifier 37;
Described thermal energy recoverer 97 is also connected to each baking room device described.
During the utility model operation, the work gate 71 of dry kiln 7 is opened, and the little air door 43 on little airduct 42 closes, and raw material loads go-cart and raw material is pushed in dry kiln 7, and each dry kiln loads raw material successively.After single dry kiln raw material loading terminates, the work gate 71 of closed dry kiln 7, opens the little air door 43 on little airduct 42, and large air door 34 is closed with air door 78 and air door 79, and air door 76,16,38 is opened; Flue gas airduct 32 closed by large air door 34, makes can enter furnace gas surge chamber 4 up to 350 DEG C-450 DEG C boiler exhaust gas furnace gases.Organic heat carrier furnace 1 furnace gas produced that burns when meeting nominal situation flows into Boiler Furnace gas outlet furnace gas pipeline 13 under the synergy of boiler blower 12 and air-introduced machine 3, is drawn in straight tube deduster 17,22 and multi-tube dust cleaner 2; Furnace gas with dust is due to bottom horizontal flow sheet, and the dust fallen on furnace gas straight tube 13 directly falls into straight tube deduster 17; Carry out multi-tube dust cleaner dedusting afterwards, the dust do not eliminated through multi-tube dust cleaner and Mars flow forward, the dust fallen on furnace gas airduct 21 directly falls into straight tube deduster 22, and the furnace gas after dedusting moves forward, and is blown into furnace gas air classifier 36.Air-introduced machine 3 is sucked by airduct 21 after multi-tube dust cleaner 2 and straight tube deduster 17,22 remove most furnace gas dust and Mars.By air-introduced machine 3 to furnace gas airduct 31,33 sections of air feed, be blown into the furnace gas in furnace gas air classifier 36, the centrifugal force produced by means of furnace gas air classifier 36 and terrestrial gravitation effect, the furnace gas dust that further rejecting air-introduced machine blows and Mars, purification furnace gas; Then be blown in furnace gas surge chamber 4.During normal work, large air door 34 activity, to furnace gas airduct 32 sections end, makes furnace gas can not discharge from furnace gas blowdown stack 35.
Medium in steam generator (hot oil furnace) 11 gives the heat supply of steam (or deep fat) radiator 81 by heat supply pipeline 14, and the quantity delivered of thermal medium (steam or deep fat) is controlled by flow valve 86, meet the control of temperature and humidity requirement of dry kiln.Dry kiln steam (deep fat) heating system 8 gives the heat supply of (steam or deep fat) radiator 81 by organic heat carrier furnace 1 steam generator (hot oil furnace) 11 by pipeline 14, dry kiln blower fan 82 operates, by dry kiln indoor circulation air outlet slit 74, the indoor circulation air in dry kiln 7 is heated by pipeline 83,84,85 sections and radiator 81, squeeze in furnace gas hot blast mixing chamber 5 through Hot wet air heating entrance 52.
Be blown into the furnace gas in furnace gas surge chamber 4 due to the change of furnace gas flow section large, flow velocity is slack-off, reduces the wind speed of furnace gas, carries out two road lime-ash sedimentations and eliminate Mars; The Mars coming to remain by preposition deduster burns away and extinguishes removing Mars, prevents from being blown in dry kiln causing dried feed to burn and carbonization.High-temperature furnace gas enters (steam or deep fat) Hot wet air heating of furnace gas hot blast mixing chamber 5 furnace gas entrance 51 and Hot wet air heating entrance 52 by the little air door 43 on little airduct 42, and mix with by the cooling humid air in the dried tail gas entrance 55 of air door 56, temperature, humidity mist that the operating point that obtaining needs requires, meet the gas of raw material drying requirement.Mist enters into lime-ash settling tank 6 by furnace gas hot blast mixing chamber 5 with lime-ash stone settling tank 6 connector 53 and mixes further, and further sedimentation lime-ash, make the furnace gas hot-air that furnace gas hot blast air becomes clean.The furnace gas hot-air gas mixed is evenly distributed in dry kiln 7 by equal wind workbench 61 hole 63 of lime-ash settling tank 6 upper bands hole.Gas after dried feed is discharged from the valve 76 of blast pipe 72.Be blown into tunnel drying kiln 9 pre-add hot arc entrance tunnels kiln exhaust gas annular nozzle 95 by air-introduced machine 79 and enter tunnel drying kiln 9 pre-add hot arc, the raw material of drying on dolly carries out predrying at tunnel drying kiln 9 pre-add hot arc, the gas of pre-dried tail gas and afterbody drying is under the effect of air-introduced machine 98, suck in thermal energy recoverer 97, enter exhaust emissions air door 38 by air-introduced machine 98 and airduct 39 to purify to air purifier 37, the tail gas after purification is discharged from chimney 35; Part tail gas enters furnace gas hot blast mixing chamber as cooling conditioning gas by air door 56, makes the furnace gas hot blast after damping meet drying process requirement.Raw material on dry dolly after predrying, enter rear portion bringing-up section, carries out accurate drying.
After raw material stoving terminates, the work gate 71 of baking room 7 is opened, and the little air door 43 on little airduct 42 and air door 76 close, and air door 78 is opened, and radiator 81 and blower fan 82 quit work.Cooling-air enters furnace gas hot blast mixing chamber 5 from the urgent air door of dry kiln gate 71 or urgent abrupt wind machine 54, dry kiln is entered from bottom, enter air door 78 to be again drawn into boiler blower 12 and to be blown in boiler 1, realize the renewal of the air of dry kiln, be beneficial to the operation of dry kiln raw material handling.Dried raw material releases dry kiln 7 by loading go-cart, for next group raw material is prepared, carries out raw material drying work next time.
It should be noted that:
One, described boiler induced-draft fan outlet airduct connects furnace gas air classifier, the centrifugal force that application furnace gas air classifier produces and terrestrial gravitation effect, reject the residual furnace gas dust of being come by multi-tube dust cleaner and the Mars of air-introduced machine blowout, purification furnace gas, realizes the sedimentation of second lime-ash and eliminates Mars.It is characterized in that: the effect of two, described furnace gas surge chamber is that the cross section that furnace gas is flowed becomes suddenly large, flow velocity is slack-off, extend the time of furnace gas walking, reduce the wind speed of furnace gas, the residual Mars of being come by furnace gas air classifier is burnt away and extinguishes removing Mars, and natural subsidence is carried out to the dust in furnace gas, fall the bottom of furnace gas surge chamber, the dust of this part can not be taken in dry kiln.Realize three road lime-ash sedimentations and eliminate Mars; And other operating costs need not be increased.It is characterized in that: the furnace gas steam hot wind mixing chamber in three, described baking room device directly mixes boiler furnace gas and steam-heated hot blast, realize internal gas mixing, furnace gas cooling is not realized by outside atmosphere, reduce the heat-energy losses of furnace gas, the residual steam heated hot blast of Mars arrived in steam hot wind mixing chamber furnace gas is broken up and burnt away simultaneously and extinguish removing Mars, and natural subsidence is forced to the dust in furnace gas, reduce Mars and dust to the injury of raw material wanting heat drying.It is characterized in that: the furnace gas hot blast of the lime-ash settling tank in four, described baking room device to mixing effectively mixes, stop the quality accident because furnace gas incomplete mixing causes, presumable residual Mars in the mixing furnace gas arrived is burnt away simultaneously and extinguish removing Mars, and again natural subsidence is carried out to the dust in mixing furnace gas, realize the self-purification of mixing furnace gas.It is characterized in that: the equal wind workbench of five, described band hole makes mixing furnace gas evenly pass through, and makes mixing furnace gas better carry out self-purification.It is characterized in that: the tail gas of six, described drying shed is used as the heat medium of tunnel drying kiln, thermal energy recoverer reclaims the dry exhaust heat-energy of tunnel drying kiln drying, as the heat source of organic heat carrier furnace air blast air intake.It is characterized in that: the tail gas part of seven, described thermal energy recoverer outlet is back to use drying shed, as the modified use of mixing furnace gas, realizes the second time cycle applications of furnace gas heat energy.
The utility model utilizes organic heat carrier furnace boiler furnace gas by after multi-tube dust cleaner and the dedusting of straight tube deduster first and removing Mars, send into furnace gas winnowing machine by boiler induced-draft fan and carry out dedusting again by the centrifugal force of furnace gas wind-force and terrestrial gravitation, the wind speed of furnace gas is reduced with furnace gas surge chamber, carry out two road sedimentations and burning extinguishing removing Mars, entered by little air door again and being mixed by the room air of steam (deep fat) radiators heat and the furnace gas tail gas of cooling that furnace gas hot blast mixing chamber and dry kiln blower fan blow to carry out hybrid cooling, damping reaches operating temperature and the humidity of dry requirement, realize the synchronous drying of dry kiln and tunnel drying oven, directly can apply the boiler furnace gas up to 350 DEG C-450 DEG C, by dry kiln internal cooling, the humidity regulating dry-heat air medium, the thermal loss caused is disturbed in the convection current reducing outside atmosphere air.Mist is at the further smoke abatement ash of dry kiln lime-ash settling tank and fire extinguishing star, make mist more even simultaneously, form clean damp-heat air to heating raw materials such as the timber in dry kiln or bamboo woods, realize steam (deep fat) heating and the optimization of furnace gas Hybrid Heating oven dry gas, dry to timber and bamboo wood, and the defects such as stock chart flour dust spot point and carbonization can not be caused, realize the recycling of boiler furnace gas heat resource, reduce energy resource consumption, expand the heat capacity 35% of organic heat carrier furnace, eliminate dehumidifying process cycle, raw material drying is made to remain on best humidity, the upper moisture content got rid of in object of environmental work point of temperature requirement, shorten more than one hour arid cycle, enhance production capacities 35%.In addition, make full use of the feature that dry kiln using waste heat from tail gas temperature is higher, the tail gas of dry kiln to the heat supply of tunnel drying kiln, the secondary realizing tail gas utilizes.Continue to reclaim at the waste heat energy of tail gas tunnel drying kiln discharged by thermal energy recoverer, heating enters the air themperature of boiler, and the third time realizing boiler furnace gas utilizes.And by the air extracting function effect of boiler blower, realize the renewal of dry kiln room air, for worker provides a pure and fresh working environment.Again due to not by adding cold air cooling outward, making the moisture content of high-temperature furnace gas lower, making Steam Heating and furnace gas gaseous mixture have more powerful drying capacity.Lime-ash by five road dedusting gathering-devices, thus eliminates the supporting water dust scrubber of furnace gas dedusting, not only avoid because air and sewage produce the environmental pollution problem caused, but also avoids the waste of water resource, realize a gas and repeatedly utilize.
Realize dry kiln air fast purification, the fast cooling of kiln drying material, shorten wicket open after stand-by period and the temperature fall time of dry kiln, shorten one hour arid cycle of dry kiln, improve the Homes Using TV of dry kiln.
The foregoing is only better enforcement use-case of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a dry kiln system for radiator, furnace gas mixing application, is characterized in that: comprise an organic heat carrier furnace, a furnace gas blowdown stack, a multi-tube dust cleaner, a boiler induced-draft fan, a furnace gas surge chamber, a plurality of baking room device and tunnel drying kiln;
Described organic heat carrier furnace is with steam generator and boiler blower; Described steam generator connects a heat supply pipeline, and this heat supply pipeline is connected respectively to each baking room device; The furnace gas export of described organic heat carrier furnace connects described multi-tube dust cleaner; Described boiler blower is connected to a thermal energy recoverer;
Described multi-tube dust cleaner is connected to described boiler induced-draft fan;
The outlet airduct of described boiler induced-draft fan connects furnace gas air classifier, and furnace gas air classifier outlet airduct forms two branch roads, is connected respectively to described furnace gas surge chamber and described furnace gas blowdown stack; The airduct that described boiler induced-draft fan connects described furnace gas blowdown stack is provided with a large air door;
Described furnace gas surge chamber is connected respectively to each baking room device;
Described baking room device comprises a baking room, a furnace gas steam hot wind mixing chamber, a lime-ash settling tank, a steam-heating system; Described lime-ash settling tank is positioned at bottom described baking room; The baking room blower fan that described steam-heating system comprises steam radiator and is connected with described steam radiator; Described steam radiator connects described heat supply pipeline, also connects described furnace gas steam hot wind mixing chamber; Described baking room blower fan is connected to described baking room; Described furnace gas surge chamber is connected respectively to the furnace gas steam hot wind mixing chamber of each baking room device, and described furnace gas steam hot wind mixing chamber connects described lime-ash settling tank by a connector;
Pre-add hot arc porch in described tunnel drying kiln arranges tail gas annular nozzle, exit arranges tail gas annular air entry; Steam or deep fat radiator are also installed in described tunnel drying kiln; Described tail gas annular nozzle is connected to each baking room device described, and its connecting pipe is provided with air-introduced machine; Described tail gas annular air entry is connected to described thermal energy recoverer; Described steam or deep fat radiator are connected to described heat supply pipeline, and its connecting pipe is provided with radiator rate-of flow control valve;
Described thermal energy recoverer is also connected to described furnace gas blowdown stack, its connecting pipe is provided with successively air-introduced machine, exhaust emissions air door, air purifier;
Described thermal energy recoverer is also connected to each baking room device described.
2. the dry kiln system of a kind of radiator as claimed in claim 1, furnace gas mixing application, is characterized in that: the airduct that described furnace gas surge chamber connects described furnace gas steam hot wind mixing chamber is provided with a little air door and a little blower fan.
3. the dry kiln system of a kind of radiator as claimed in claim 1, furnace gas mixing application, is characterized in that: described lime-ash settling tank top is provided with hole and is connected with described baking room, adopts support to separate in the middle part of described lime-ash settling tank.
4. the dry kiln system of a kind of radiator as claimed in claim 1, furnace gas mixing application, is characterized in that: arrange a straight tube deduster between described organic heat carrier furnace and described multi-tube dust cleaner, between described multi-tube dust cleaner and described boiler induced-draft fan respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804144.8U CN204574710U (en) | 2014-12-17 | 2014-12-17 | The dry kiln system of a kind of radiator, furnace gas mixing application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804144.8U CN204574710U (en) | 2014-12-17 | 2014-12-17 | The dry kiln system of a kind of radiator, furnace gas mixing application |
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| CN204574710U true CN204574710U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420804144.8U Expired - Fee Related CN204574710U (en) | 2014-12-17 | 2014-12-17 | The dry kiln system of a kind of radiator, furnace gas mixing application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501547A (en) * | 2014-12-17 | 2015-04-08 | 福建省永安林业(集团)股份有限公司 | Radiator and furnace gas hybrid application drying kiln system |
| CN108562513A (en) * | 2018-07-13 | 2018-09-21 | 天津科技大学 | Different shape moisture measuring device in a kind of sludge |
-
2014
- 2014-12-17 CN CN201420804144.8U patent/CN204574710U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501547A (en) * | 2014-12-17 | 2015-04-08 | 福建省永安林业(集团)股份有限公司 | Radiator and furnace gas hybrid application drying kiln system |
| CN104501547B (en) * | 2014-12-17 | 2017-01-04 | 福建省永安林业(集团)股份有限公司 | A kind of dry kiln system of radiator, furnace gas mixing application |
| CN108562513A (en) * | 2018-07-13 | 2018-09-21 | 天津科技大学 | Different shape moisture measuring device in a kind of sludge |
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Granted publication date: 20150819 Termination date: 20161217 |