CN201032330Y - Novel green environment protection wood waste gasification energy source timber dryer - Google Patents

Abstract

The utility model relates to a novel and green environmental-protective timber dryer used for aerification of wood waste materials. The utility model pertains to the technical field of the timber dryer used for wood processing and needs to solve problems of the prior art of low heat availability, smoke pollution, large power consumption, etc. The equipment employs highly efficient, energy-saving and environment-friendly wood waste materials aerification boilers, adopts secondary combustion method and is provided with two combustion chambers. The wood waste materials are heated and dried in a primary combustion chamber by using aerification method and then volatilizes a plurality of combustible gases such as CO, H <2>, CH <4>, etc., by schizolysis. The high-grade combustible gases are completely combusted after mixing with sufficient air and being ignited secondarily in the secondary combustion chamber, thus being highly efficient, environment-friendly. Thermal utilization factor is one time higher than steam heating. The timber dryer can dry any tree species and sheet materials with any depth and has good drying quality, short drying time and low drying cost, and is particularly applicable to drying sawn timber of wood-processing industry or furniture industry.

Description

A kind of new green environment protection waste log gasification energy timber dryer

Affiliated technical field

The utility model belongs to drying equipment technical field, especially the indirect furnace heating timber dryer of timber processing class.

Background technology

Existing indirect furnace heating timber dryer has following four kinds: first kind is to adopt cyclone-combustion stove, its complex structure, and palpus air blast and air inducing rise, and power consumption is big, heat waste is also big; Second kind is that combustion furnace is built in the kiln, corrosion-resistant, and fuel is dosed inconvenience, and it is insufficient to burn, and palpus air blast and air inducing rise, and power consumption is also big; The third combustion chamber is semi-underground between the kiln inner blower is now built by refractory brick, and shortcoming is the heater heaviness, inconvenience is installed, and it is insufficient to burn; The 4th kind be burning boiler outside kiln, be fuel with the bulk waste log, can not be fuel with wooden broken waste materials such as wood chips, spontaneous firing, power consumption is few, but it is insufficient to burn.More than the boiler common drawback of four kinds of drying equipments be to adopt conventional primary combustion mode, it is insufficient to burn, and environmental pollution is arranged, and does not reach environmental requirement.

Summary of the invention

The purpose of this utility model is to overcome the weak point of above technology, a kind of kiln structure science is provided, sufficient combustion, free from environmental pollution, thermal efficiency height, power consumption is few, make, install, maintenance, easy maintenance, can realize the indirect furnace heating timber dryer of control automatically, with the wood machining residues that is harmful to environment (as sawdust, bark, wood shavings, butt, sanding wood powder etc.) be fuel, through super-dry, cracking, oxidation, physics such as reduction, chemical process, wooden broken waste material is converted into high-grade imflammable gas, add the combustion-supporting effect of steam added combustion agent, the secondary efficient burning, send long flame azury, discharge a large amount of heat energy, the lingemann blackness of emission gases is zero, green, environmental protection, energy-conservation, this utility model small investment, operating cost is low, and wood drying quality is good, drying cost is low, adopt fork truck loading of kiln mode, can satisfy big, in, small-sized wood processing enterprise uses, and especially is fit to have abundant waste log (as sawdust, the sanding wood powder, wood shavings) sawmill, timber floor factory, construction timber factory, woodwork factory, uses such as Furniture Factory.

The technical scheme that its technical problem that solves the utility model adopts is as follows:

A kind of new green environment protection waste log gasification energy timber dryer is made up of high-efficiency environment protection energy-saving type waste log gasification fired boiler, dry kiln housing, efficient combined heat radiator, efficient axial flow blower, humidity control device, dedusting fume extractor, the wet instrument of thermometric and switch board etc.It is characterized in that high-efficiency environment protection energy-saving type waste log gasification fired boiler is positioned at outside the dry kiln housing, the dry kiln type has type and two kinds on end blower fan skew wall type against the wind, the dry kiln structure has brick mix structure and two kinds of versions of all-metal construction, adopt the arc design between blower fan, adopt and hang the monoblock type gate; High-efficiency environment protection energy-saving type waste log gasification fired boiler by Bunker, primary zone, hollow bar, secondary combustion chamber, auxiliary combustion chamber, dose device etc. for wind system and combustion adjuvant to form; Give wind system by air blast, once form for wind apparatus and control valve for wind apparatus, secondary; Auxiliary combustion chamber is connected with flange with boiler body, and one or more furnace gas exports are arranged; High-efficiency environment protection energy-saving type waste log gasification fired boiler profile is square, is provided with circular charge door and capping, the rectangle lighting-up tuyere, and circular flame-observing hole, rectangle cleaning door, feed bin are taper type, adopt the water seal sealing means; Fire bars is a square circular hollow, adopts the air cooling mode, and the shared air blast of wind system is given in fire bars cooling and burning; Efficient combined heat radiator is made up of main radiator, additional cooler and dust arrester etc., and main radiator has two kinds of stainless steel tube and steel pipes, is thermophore with hot furnace gas; Humidity control device is made up of atomizer and booster pump; Waste log is in primary zone's drying of high-efficiency environment protection energy-saving type waste log burning boiler, cracking, oxidation, physics such as reduction, chemical process is converted into high-grade fuel gas, in the secondary combustion chamber second-time burning, add the combustion-supporting effect of steam added combustion agent, efficient burning, send long flame azury, discharge a large amount of heat energy, the lingemann blackness of emission gases is zero, green, environmental protection, adopt the arc design between blower fan, air drag is little, and distribution of air flow is even, adopt efficient combined heat radiator, coefficient of heat transfer is big, and heating load is big and evenly, efficient axial flow blower adopts high-temp resisting high-humidity resisting damp-proof machine and cast aluminium alloy blade axial-flow blower fan, energy-efficient, the humidity control device atomizing, damping is effective, and wood drying quality is good, and equipment is installed, easy to maintenance, automation control, easy to operate.

Description of drawings

Now that the utility model Figure of description and marking explanation is as follows:

Fig. 1 is a timber dryer plane of the present utility model.

Fig. 2 is a high-efficiency environment protection energy-saving type waste log gasification fired boiler structure cutaway view of the present utility model.

Among the figure 1, the dry kiln housing, 2, switch board, 3, efficient combined heat radiator, 4, high-efficiency environment protection energy-saving type waste log gasification fired boiler, 5, air blast, 6, auxiliary combustion chamber, 7, the material heap, 8, the suspension type gate, 9, humidity control device, 10, efficient axial flow blower, 11, the boiler leg, 12, the rectangle cleaning door, 13, circular flame-observing hole, 14, general mood road, 15 are given in second-time burning, the rectangle lighting-up tuyere, 16, the general mood road is given in primary combustion, 17, boiler jacket, 18, heat-insulation layer, 19, the circular seal lid, 20, circular charge door, 21, the taper type Bunker, wind spray orifice, 23 are given in 22 primary combustions, the primary zone, 24, hollow bar, 25, the wind spray orifice is given in second-time burning, 26, flame retardant coating, 27, secondary combustion chamber, 28, flange.

The specific embodiment

The course of work of high-efficiency environment protection energy-saving type waste log gasification fired boiler of the present utility model is such: after the ignition of the boiler success, fuel adds from (20) at boiler top circular charge door, (21) taper type Bunker fuel should keep fuel more than 2/3 height, per hour dose fuel 2-3 time, adopt the water seal sealing means.(5) air blast is pressed into air (24) hollow bar, at first cool off fire bars, because fire bars is positioned between (23) primary zone and (27) secondary combustion chamber, because the second-time burning room temperature can reach about 1100 ℃, so fire bars must cool off, otherwise can't normally use.Be heated at cooling fire bars while air, distribute to primary combustion and second-time burning oxygen supply usefulness through control valve.Be used for drying, cracking, oxidation, the reduction of waste log at (23) primary zone fuel heat of disengaging after burning, thereby produce a large amount of high-grade fuel gas and enter (27) secondary combustion chamber second-time burning, add the combustion-supporting of steam added combustion agent, form nattier blue long flame, emit a large amount of heat energy.Primary combustion is big more to air quantity, and quantity combusted is big more, and the combustible gas scale of construction that the gasification waste log produces is also just big more, and it is strong with regard to Shaoxing opera to burn, and liberated heat is also just big more, gives the supply size of the size of air quantity with the control heat so regulate primary combustion with control valve.Because high-grade fuel gas second-time burning is abundant, so the climing blackness of woods lattice of emission gases is zero, with furnace gas directly make thermophore than make thermophore with steam normal now the steam drying thermal efficiency is high more than 1 times, so this utility model timber dryer high effective green environmentally friendly is energy-conservation.

The course of work of a kind of new green environment protection waste log gasification of the utility model energy timber dryer is such: the clean furnace gas of high temperature that flows out from (6) auxiliary combustion chamber outlet of (4) high-efficiency environment protection energy-saving type waste log gasification fired boiler flows into (3) efficient combined heat radiator through the furnace gas inlet pipe, expeditiously heat is passed to the air drying medium that circulates in the kiln under the driving of the efficient axial flow blower in (10) in kiln, the temperature of drying medium is raise, with heating and dry rapidly by seasoned wood.The quick Reversible Cycle of drying medium to accelerate drying of wood speed, shortens arid cycle, improves the drying of wood uniformity and the moisture content deviation that reduces on the thickness, to improve by the quality of seasoned wood.In timber drying, for preventing seasoning defect drying defects such as timber generation craze and transfiguration, guarantee wood drying quality, when need improving the humidity of medium or timber being carried out hot wet process, open (9) humidity control device, water vaporization rapidly after passing through (3) efficient combined heat radiator after the atomizer high atomisation again, to improve the humidity of medium, carry out hot wet process, with the sclerosis of elimination table, reduce stress, timber drying is carried out by drying process is strict, guarantee wood drying quality, whole dry run can be controlled automatically, tests humiture and moisture content automatically.

A kind of new green environment protection waste log gasification energy timber dryer described in the utility model Compared with prior art, have following outstanding advantages: 1, power consumption is few; 2, thermal efficiency height; 3, Waste log becomes the second-time burning of high-grade fuel gas, environmental protection through gasification; 4, equipment easily install, Maintenance, small investment; 5, can realize automation control. The drying of wood cycle is short, quality good, Cost is low, is fit to medium and small wood processing enterprise and furniture enterprise and uses.

Claims (3)

1. new green environment protection waste log gasification energy timber dryer is by high-efficiency environment protection energy-saving type waste log gasification fired boiler, dry kiln housing and be located at the efficient combined heat radiator in the kiln, efficient combined heat radiator, efficient axial flow blower, humidity control device, dedusting fume extractor, the wet instrument of thermometric and switch board and form, it is characterized in that high-efficiency environment protection energy-saving type waste log gasification fired boiler is positioned at outside the dry kiln housing, the dry kiln type is end blower fan skew wall type, the monoblock type gate is hung in employing, adopts the arc design between blower fan.

2. a kind of new green environment protection waste log gasification energy timber dryer according to claim 1, it is characterized in that high-efficiency environment protection energy-saving type waste log gasification fired boiler by Bunker, primary zone, hollow bar, secondary combustion chamber, auxiliary combustion chamber, dose device for wind system and combustion adjuvant to form; Give wind system by air blast, once form for wind apparatus and control valve for wind apparatus, secondary; High-efficiency environment protection energy-saving type waste log gasification fired boiler profile is square, is provided with circular charge door and capping, circular flame-observing hole, rectangle lighting-up tuyere, rectangle cleaning door; Feed bin is a taper type, adopts the water seal sealing means; Fire bars is a square circular hollow, adopts the air cooling mode, and the shared air blast of wind system is given in fire bars cooling and burning.

3. a kind of new green environment protection waste log gasification energy timber dryer according to claim 1 is characterized in that efficient combined heat radiator is made up of main radiator, additional cooler and dust arrester, and main radiator has two types of stainless steel tube and steel pipes; Humidity control device is made up of atomizer and booster pump.

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