CN103277891A - Biomass efficient heat-transmission energy-saving hot blast stove - Google Patents

Biomass efficient heat-transmission energy-saving hot blast stove Download PDF

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Publication number
CN103277891A
CN103277891A CN2013101844277A CN201310184427A CN103277891A CN 103277891 A CN103277891 A CN 103277891A CN 2013101844277 A CN2013101844277 A CN 2013101844277A CN 201310184427 A CN201310184427 A CN 201310184427A CN 103277891 A CN103277891 A CN 103277891A
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China
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assembly
fire grate
heater
flue
air inlet
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CN2013101844277A
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CN103277891B (en
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高海华
管永伟
高睿
田庆旺
张兰祥
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HENAN JUFENG BIO-ENERGY DEVELOPMENT Co Ltd
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HENAN JUFENG BIO-ENERGY DEVELOPMENT Co Ltd
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Priority to CN201310184427.7A priority Critical patent/CN103277891B/en
Publication of CN103277891A publication Critical patent/CN103277891A/en
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Abstract

The invention discloses a biomass efficient heat-transmission energy-saving hot blast stove. The biomass efficient heat-transmission energy-saving hot blast stove comprises a stove body, a hearth assembly, a stove door assembly, a stove grate assembly, a feeding assembly, a heat exchange assembly, a smoke flue assembly, an air blower, a cold air inlet, a chimney outlet and a hot air outlet. The hearth assembly comprises an upper hearth, a middle hearth, and a lower hearth; a burn-out chamber is arranged above the upper hearth; a primary air inlet adjustment opening, a secondary air inlet adjustment opening and a three-time air inlet adjustment opening are sequentially formed on the stove body on one side of the lower hearth from bottom to top; a primary air inlet corresponding to the primary air inlet adjustment opening is formed in the outer surface of the lower hearth; a secondary air inlet and a three-time tangential air inlet correspond to the secondary air inlet adjustment opening and the third-time air inlet adjustment opening respectively, and are formed in the outer surface of the lower hearth and the outer surface of the middle hearth respectively; an inverted cone-shaped ash accumulating groove is formed below the stove grate assembly; an inverted cone-shaped two or three return ash dropping chamber is formed in one side of the hearth assembly in a communicating mode; both the ash accumulating groove and the two or three return ash dropping chamber are provided with an automatic ash discharge device; the stove grate assembly comprises a stove grate rotating mechanism; and an automatic ash removing device is arranged in the heat exchange pipe of the heat exchange assembly. When is burned, biomass is not easy to coke and can be sufficiently burned, the biomass efficient heat-transmission energy-saving hot blast stove is high in thermal efficiency and convenient to operate, and service life of the heat exchange pipe is prolonged.

Description

Biomass efficient heat transfer energy-saving hot blast furnace
Technical field
The invention belongs to the combustion apparatus technical field, be specifically related to a kind of biomass efficient heat transfer energy-saving hot blast furnace.
Background technology
Hot-blast stove is modal energy converting apparatus in people's lives and the industry, and it is converted into heat energy with chemical energy or the electric energy of conventional energy resource, and energy is supplied to corresponding equipment with the form of hot blast, is usually used in drying machine, dryer, make-up machine and heating etc.In industrial production, hot-blast stove normally with coal as main energy sources fuel.Along with the worsening shortages of coal resources, countries in the world are all being carried out energetically and are being innovated biomass combustion and utilize technology, to solve the variety of issue that energy crisis is from now on brought.Because the calorific value height of coal, volatile matter is few, and the structure of coal stove is simple relatively.Adopt the hot-blast stove of biomass fuel to open up the new energy, but because the complexity of combustion process, the adequacy of burning and prevent that the discharging of biomass fuel tar is extremely important.
And structurally there is following defective in prior biological matter hot-blast stove: 1, because the hot-blast stove fire grate maintains static, the fuel coking problem appears in biomass combustion process easily; 2, because the chamber structure of hot-blast stove itself is simple, have only an independently chamber structure, whole combustion process is all finished in a burner hearth, and traditional hot-blast stove, adopt the bottom gravity-flow ventilation, ventilating does not have materially affect to improving combustion rate, and feeding mode is filling type, it is longer that biomass fuel arrives the time of burning, it is insufficient to burn, and the thermal efficiency is low, and black smoke the time appears in burning, fume amount is big, serious environment pollution; 3, because this body structure of hot-blast stove does not contain the automatic removing dust function, the dust of saving bit by bit at furnace bottom behind the biomass combustion, by manually drawing out outside the stove, labor strength is big, inconvenient operation; 4, owing to the fault of construction of hot-blast stove own, the frequent dust stratification of heat exchanger tube inwall influences heat-transfer effect, and heat utilization efficiency is low; And since heat exchanger tube unlike the heat exchanger tube of boiler by the water heat exchange, hot-blast stove is lower than boiler by the air coefficient of heat transfer, so common carbon steel heat exchanger tube burns out easily, heat exchanger tube service life is short.
Summary of the invention
The technical problem to be solved in the present invention overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of biomass combustion to be difficult for coking, and fuel combustion is abundant, thermal efficiency height, and simple, convenient biomass efficient heat transfer energy-saving hot blast furnace.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of biomass efficient heat transfer energy-saving hot blast furnace, comprise body of heater, the burner hearth assembly, the fire door assembly, the fire grate assembly, the feed assembly, heat-exchanging component, the flue assembly, air blast, the cold wind import, chimney breast and hot-blast outlet, the bottom is provided with the burner hearth assembly in the described body of heater, the burner hearth assembly comprises upper furnace, middle burner hearth and lower hearth, the burner hearth periphery is provided with heat-insulation layer, be provided with high-temperature-resistant layer in the heat-insulation layer of upper furnace periphery simultaneously, the upper furnace top is provided with secondary furnace, on the upper furnace one wing furnace body fire door assembly is installed, be provided with an air inlet adjustment mouth and two or three air inlet adjustment mouths on the lower hearth one wing furnace body from bottom to top successively, corresponding with an air inlet adjustment mouth, the lower hearth outer surface is provided with air inlet one time, corresponding with two or three air inlet adjustment mouths, lower hearth and middle burner hearth outer surface are provided with secondary air mouth and three tangent air inlets respectively; Burner hearth assembly bottom is provided with the fire grate assembly; Body of heater is interior, burner hearth assembly top is provided with heat-exchanging component; Body of heater is interior, the heat-exchanging component top is provided with the flue assembly; The stove roof plate of body of heater is provided with the chimney breast that is communicated with the flue assembly; Body of heater one side is provided with the feed assembly, and the discharging opening of feed assembly is communicated with the upper furnace of burner hearth assembly; One side of body of heater is provided with air blast, and the air-out interface of air blast is connected by pipeline with the cold wind import of upper of furnace body one side, and the cold wind import is over against heat-exchanging component; With respect to the cold wind import, be provided with hot-blast outlet at the opposite side of body of heater; Body of heater is interior, fire grate assembly below is provided with back taper dust stratification groove; In body of heater, a side of burner hearth assembly is communicated with and is provided with back taper two or three backhaul ash chambers; Described dust stratification groove and two or three backhaul ash chambers bottom are provided with automatic ash discharging device simultaneously; Described fire grate assembly contains the fire grate rotating mechanism; Be provided with automatic ash handling equipment in the heat exchanger tube of described heat-exchanging component.
Described body of heater comprises double-deck furnace top board and furnace body frame, is provided with heat-insulation layer in double-deck furnace top board and the furnace body frame.
Described fire door assembly comprises fire door, one side of fire door is hinged on the body of heater by hinge seat, hinge sleeve and flap, the fixing relevant door-hinge of the opposite side of fire door and pass door handle, closing door handle and gate stop on being fixedly mounted on body of heater, to cooperate realization to close the door fixing, on fire door periphery and the body of heater contact-making surface gasket and door seal frame are installed, by rotating shaft and pilot pin peephole is installed on the fire door, in the ectonexine steel plate of fire door heat-insulation layer is installed, the fire door inner surface is provided with high-temperature-resistant layer.
Described fire grate assembly comprises fire grate the sweep up dust fire grate of frame, grate plate and grate plate below sweep up dust plate and fire grate rotating mechanism; The fire grate rotating mechanism comprises the fire grate main shaft, the fire grate frame that sweeps up dust, grate plate and the fire grate plate that sweeps up dust is sleeved on the fire grate main shaft in succession, also be set with the fire grate cover on the fire grate main shaft simultaneously, on the fire grate main shaft, fire grate cover below is set with the fire grate ash-stopping ring, burner hearth is stretched out in fire grate main shaft lower end, being fixed on the bottom of furnace body framework by the bearings assembly respectively up and down of external part, be set with hinge wheel and chain pulley seat on the external part simultaneously, fire grate main shaft one side, be installed with reducing motor on the bottom of furnace body framework, hinge wheel is connected by chain with the minor sprocket that reducing motor output axle head is installed; Fire grate main shaft upper end is successively by locking nut, hold-down nut and spacers; To be that 10mm*100mm is netted be evenly equipped with the hole that diameter is 5mm to described fire grate.
Described feed assembly comprises the back taper fuel hopper, the top of fuel hopper is provided with fuel inlet, the bottom connection of fuel hopper is provided with horizontal feed pipe, be provided with the feed screw assembly in the horizontal feed pipe, the feed screw assembly comprises helical axis and flight, and the helical axis outer end is connected with reducing motor by shaft coupling.
Described heat-exchanging component comprises upper and lower baffle plate, is installed with the heat exchanger tube of some arrangements between the upper and lower baffle plate; Described heat exchanger tube adopts stainless steel material to make; Heat-exchanging component is fixed on the flue assembly by installing rack.
Described flue assembly comprises that outlet is over against flue bent pipe and the flame retardant coating of chimney breast, by the inner flue plate, the inner flue that ramp and inboard wall of furnace body surround under the inner flue and inner flue are positioned at the inner flue jet mouth of hot-blast outlet end, the initiating terminal of flue bent pipe and flame retardant coating and inner flue is equipped with the flue demarcation strip, flue demarcation strip two ends are fixed on the inboard wall of furnace body by the demarcation strip chute, by flashboard retaining button branch cigarette flashboard is installed on the flue demarcation strip, divide on the cigarette flashboard and be installed with branch cigarette adjusting rod by cushion block, divide cigarette adjusting rod one end to stretch out body of heater, the external part end is equipped with branch cigarette regulating handle, divides between cigarette adjusting rod external part and the body of heater hole to be provided with the adjusting rod axle sleeve; Flue bent pipe and flame retardant coating and inner flue are fixedly mounted on the body of heater inner roof wall by slot.
Described automatic ash discharging device comprises the horizontal cement output tank that is divided in dust stratification groove and two or the three backhaul ash chambers bottom, respectively be provided with the ash discharge screw assembly in the cement output tank, the port of export of cement output tank is provided with out ash bucket, one side of body of heater is equipped with reducing motor, the ash discharge screw assembly contains helical axis and flight, helical axis one end stretches out body of heater, and be fixed on the bottom of furnace body framework by two groups of bearings assemblies, fixed cover is equipped with chain pulley seat and hinge wheel on the external part of each helical axis, and each hinge wheel is connected by chain respectively with the hard-wired double minor sprocket of reducing motor transmission axle head.
Described automatic ash handling equipment comprises the dedusting spring that is installed in each heat exchanger tube, dedusting spring upper end is hooked on many row's carbine sheets, fixedly there is cantilever at the two ends of carbine sheet, the both sides of cantilever are hinged on the furnace body frame by hinged connecting rod and connecting rod base, crane span structure is installed on the cantilever, gantry middle portion laterally runs through power transmission shaft is installed, the two ends of power transmission shaft are fixedly mounted on furnace body frame and the flue assembly by transmission axle bed and power transmission shaft tailstock, power transmission shaft one end stretches out body of heater, and the external part end is connected with motor; Fixedly connected by rib between many row's carbine sheets; Power transmission shaft runs through the flue assembly, and the middle part of power transmission shaft is fixed on the flue assembly by switch block and catch.
A described air inlet is the circumferential uniform a plurality of air intake through holes that are arranged on the lower hearth outer surface; Described three tangent air inlets are the 45 a plurality of tangential air intake through holes of spending angles for two-layer and middle burner hearth outer surface tangential direction up and down.
Operation principle of the present invention is:
In body of heater one side automatic feeding is set, is convenient to deliver to biomass fuel in the burner hearth automatically; In burner hearth, arrange by rotating fire grate, to prevent the fuel coking; The surplus ash of burning is swept to the dust stratification groove by the plate that sweeps up dust of fire grate below, at dust stratification groove downside an automatic ash discharging device is set, and discharges ash outdoor automatically; Fuel in fire box through behind three air distributions, fully completing combustion in secondary furnace again; The heat of burning and flue gas discharge out of the furnace through stainless steel three backhaul heat exchangers, and spring is set in the heat exchanger tube, and ash disposal automatically arranges air blast on the stove side heat of heat exchanger tube is taken away.
The beneficial effect of technical solution of the present invention is:
1, structurally, the described fire grate assembly of biomass efficient heat transfer energy-saving hot blast furnace of the present invention contains the fire grate rotating mechanism, and fire grate is made by stainless steel material and rotated constantly, has solved the problem of the motionless fuel coking of fixed grate; Upper furnace of the present invention top is provided with secondary furnace, and lower hearth is provided with an air inlet and two or three air inlets, guarantees biomass fuel completing combustion, and does not have black smoke during burning, is beneficial to environmental protection; Described dust stratification groove and two or three backhaul ash chambers bottom are provided with automatic ash discharging device simultaneously, and be provided with the ash that the plate that sweeps up dust falls fire grate below the fire grate and sweep in the dust stratification groove, by screw assembly ash is discharged to outside the stove, realized automatic removing dust, simple, convenient, reduced labor strength; Be provided with automatic ash handling equipment in the heat exchanger tube of described heat-exchanging component, the heat exchanger tube that has solved traditional hot-blast stove is the problem of ash disposal automatically, has improved heat-transfer effect and heat utilization efficiency.
2, structurally, heat exchanger tube of the present invention adopts stainless steel material to make, and adopts carbon steel material to burn out easily with respect to traditional hot wind furnace heat exchanger tube, has improved the service life of heat exchanger tube; The flue assembly is arranged with flue bent pipe and flame retardant coating and inner flue, and contain branch cigarette flashboard and divide the cigarette adjusting rod, like this, the hot blast that needs as the user can not utilize part of smoke by the flue assembly when not being pure hot blast, further improves the heat utilization efficiency of hot-blast stove; Be provided with heat-insulation layer in the described furnace body frame, the burner hearth periphery is provided with heat-insulation layer, even high-temperature-resistant layer, establishes heat-insulation layer in the fire door ectonexine steel plate, and the fire door inner surface is provided with high-temperature-resistant layer etc., avoids in the body of heater heat through conduction and loss helps to improve heat utilization efficiency.
3, to sum up, biomass efficient heat transfer energy-saving hot blast furnace of the present invention is difficult for coking owing to biomass combustion, and fuel combustion is abundant, thermal efficiency height, and simple, convenient, heat exchanger tube improves service life, therefore, is very suitable for promotion and implementation.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the sectional structure schematic diagram of biomass efficient heat transfer energy-saving hot blast furnace of the present invention;
Fig. 2 is the A-A sectional structure schematic diagram of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Fig. 3 is the B-B sectional structure schematic diagram of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 2;
Fig. 4 is the sectional structure schematic diagram of the fire grate assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Fig. 5 is the plan structure schematic diagram of the fire grate assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 4;
Fig. 6 is the sectional structure schematic diagram of the automatic ash discharging device of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Fig. 7 is the side sectional structure schematic diagram of the automatic ash discharging device of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 6;
Fig. 8 is the structure for amplifying schematic diagram of the feed assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Fig. 9 is the structure for amplifying schematic diagram of the burner hearth assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Figure 10 is the structure for amplifying schematic diagram of the heat-exchanging component of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Figure 11 is the structure for amplifying schematic diagram of the automatic ash handling equipment of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Figure 12 is the side-looking structural representation of the automatic ash handling equipment of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 11;
Figure 13 is the plan structure schematic diagram of the automatic ash handling equipment of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 11;
Figure 14 is the structure for amplifying schematic diagram of the fire door assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Figure 15 is the plan structure schematic diagram of the fire door assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 14;
Figure 16 is the side-looking structural representation of the fire door assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 14;
Figure 17 is the C-C sectional structure schematic diagram of the fire door assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 14;
Figure 18 is the structure for amplifying schematic diagram of the flue assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 1;
Figure 19 is the D-D sectional structure schematic diagram of the flue assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 180;
Figure 20 is the E-E sectional structure schematic diagram of the flue assembly of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 180;
Figure 21 is the structure for amplifying schematic diagram of the local I of biomass efficient heat transfer energy-saving hot blast furnace shown in Figure 2;
Sequence number among the figure: 1, body of heater, 1-1, stove roof plate, 1-2, furnace body frame, 1-3, heat-insulation layer, 2, the burner hearth assembly, 2-1, upper furnace, 2-2, middle burner hearth, 2-3, lower hearth, 2-4, heat-insulation layer, 2-5, high-temperature-resistant layer, 3, the fire door assembly, 3-1, fire door, 3-2, the hinge seat, 3-3, hinge sleeve, 3-4, flap, 3-5, close door-hinge, 3-6, close door handle, 3-7, gate stop, 3-8, gasket, 3-9, the door seal frame, 3-10, rotating shaft, 3-11, pilot pin, 3-12, peephole, 3-13, heat-insulation layer, 3-14, high-temperature-resistant layer, 4, the fire grate assembly, 4-1, the fire grate frame that sweeps up dust, 4-2, grate plate, 4-3, the fire grate plate that sweeps up dust, 4-4, the fire grate main shaft, 4-5, the fire grate cover, 4-6, the fire grate ash-stopping ring, 4-7, the bearings assembly, 4-8, hinge wheel and chain pulley seat, 4-9, reducing motor, 4-10, minor sprocket, 4-11, locking nut, hold-down nut and pad, 4-12, chain, 5, the feed assembly, 5-1, fuel hopper, 5-2, fuel inlet, 5-3, feed pipe, 5-4, helical axis, 5-5, flight, 5-6, shaft coupling, 5-7, reducing motor, 6, heat-exchanging component, 6-1, overhead gage, 6-2, lower baffle plate, 6-3, heat exchanger tube, 7, the flue assembly, 7-1, flue bent pipe and flame retardant coating, 7-2, the inner flue plate, 7-3, ramp under the flue, 7-4, inner flue jet mouth, 7-5, the flue demarcation strip, 7-6, the demarcation strip chute, 7-7, flashboard retaining button, 7-8, divide the cigarette flashboard, 7-9, cushion block, 7-10, divide the cigarette adjusting rod, 7-11, divide the cigarette regulating handle, 7-12, the adjusting rod axle sleeve, 7-13, slot, 7-14, installing rack, 8, automatic ash discharging device, 8-1, cement output tank, 8-2, go out ash bucket, 8-3, reducing motor, 8-4, helical axis, 8-5, flight, 8-6, the bearings assembly, 8-7, chain pulley seat and hinge wheel, 8-8, double minor sprocket, 8-9, chain, 9, automatic ash handling equipment, 9-1, the dedusting spring, 9-2, the carbine sheet, 9-3, cantilever, 9-4, connecting rod, 9-5, connecting rod base, 9-6, crane span structure, 9-7, power transmission shaft, 9-8, the transmission axle bed, 9-9, the power transmission shaft tailstock, 9-10, motor, 9-11, rib, 9-12, switch block, 9-13, catch, 10, air blast, 11, the cold wind import, 12, chimney breast, 13, hot-blast outlet, 14, secondary furnace, 15, an air inlet adjustment mouth, 16, two or three air inlet adjustment mouths, 17, the dust stratification groove, 18, two or three backhaul ash chambers, 19, an air inlet, 20, the secondary air mouth, 21, three tangent air inlets.
The specific embodiment
Embodiment one:
Referring to Fig. 1-Fig. 3 and Fig. 9, among the figure, biomass efficient heat transfer energy-saving hot blast furnace of the present invention, comprise body of heater 1, burner hearth assembly 2, fire door assembly 3, fire grate assembly 4, feed assembly 5, heat-exchanging component 6, flue assembly 7, air blast 10, cold wind import 11, chimney breast 12 and hot-blast outlet 13, the bottom is provided with the burner hearth assembly in the described body of heater, the burner hearth assembly comprises upper furnace 2-1, middle burner hearth 2-2 and lower hearth 2-3, the burner hearth periphery is provided with heat-insulation layer 2-4, be provided with high-temperature-resistant layer 2-5 in the heat-insulation layer of upper furnace periphery simultaneously, the upper furnace top is provided with secondary furnace 14, on the upper furnace one wing furnace body fire door assembly is installed, be provided with an air inlet adjustment mouth 15 and two or three air inlet adjustment mouths 16 on the lower hearth one wing furnace body from bottom to top successively, corresponding with an air inlet adjustment mouth, the lower hearth outer surface is provided with air inlet 19 one time, corresponding with two or three air inlet adjustment mouths, lower hearth and middle burner hearth outer surface are provided with secondary air mouth 20 and 21 air inlets 15 of three tangent air inlets and two or three air inlets 16 respectively; Burner hearth assembly bottom is provided with the fire grate assembly; Body of heater is interior, burner hearth assembly top is provided with heat-exchanging component; Body of heater is interior, the heat-exchanging component top is provided with the flue assembly; The stove roof plate of body of heater is provided with the chimney breast that is communicated with the flue assembly; Body of heater one side is provided with the feed assembly, and the discharging opening of feed assembly is communicated with the upper furnace of burner hearth assembly; One side of body of heater is provided with air blast, and the air-out interface of air blast is connected by pipeline with the cold wind import of upper of furnace body one side, and the cold wind import is over against heat-exchanging component; With respect to the cold wind import, be provided with hot-blast outlet at the opposite side of body of heater; Body of heater is interior, fire grate assembly below is provided with back taper dust stratification groove 17; In body of heater, a side of burner hearth assembly is communicated with and is provided with back taper two or three backhaul ash chambers 18; Described dust stratification groove and two or three backhaul ash chambers bottom are provided with automatic ash discharging device 8 simultaneously; Described fire grate assembly contains the fire grate rotating mechanism; Be provided with automatic ash handling equipment 9 in the heat exchanger tube of described heat-exchanging component.Described body of heater comprises double-deck furnace top board 1-1 and furnace body frame 1-2, is provided with heat-insulation layer 1-3 in double-deck furnace top board and the furnace body frame.A described air inlet is the circumferential uniform a plurality of air intake through holes that are arranged on the lower hearth outer surface; Referring to Figure 21, described three tangent air inlets 21 are the 45 a plurality of tangential air intake through holes of spending angles for two-layer and middle burner hearth outer surface tangential direction up and down.
Referring to Figure 14-Figure 17, among the figure, described fire door assembly comprises fire door 3-1, one side of fire door is by hinge seat 3-2, hinge sleeve 3-3 and flap 3-4 are hinged on the body of heater, the fixing relevant door-hinge 3-5 of the opposite side of fire door and pass door handle 3-6, closing door handle and gate stop 3-7 on being fixedly mounted on body of heater, to cooperate realization to close the door fixing, on fire door periphery and the body of heater contact-making surface gasket 3-8 and door seal frame 3-9 are installed, by rotating shaft 3-10 and pilot pin 3-11 peephole 3-12 is installed on the fire door, in the ectonexine steel plate of fire door heat-insulation layer 3-13 is installed, the fire door inner surface is provided with high-temperature-resistant layer 3-14.
Referring to Fig. 4-Fig. 5, among the figure, described fire grate assembly comprises fire grate the sweep up dust fire grate of frame 4-1, grate plate 4-2 and grate plate below sweep up dust plate 4-3 and fire grate rotating mechanism; The fire grate rotating mechanism comprises fire grate main shaft 4-4, the fire grate frame that sweeps up dust, grate plate and the fire grate plate that sweeps up dust is sleeved on the fire grate main shaft in succession, also be set with fire grate cover 4-5 simultaneously on the fire grate main shaft, on the fire grate main shaft, fire grate cover below is set with fire grate ash-stopping ring 4-6, burner hearth is stretched out in fire grate main shaft lower end, being fixed on the bottom of furnace body framework by bearings assembly 4-7 respectively up and down of external part, be set with hinge wheel and chain pulley seat 4-8 on the external part simultaneously, fire grate main shaft one side, be installed with reducing motor 4-9 on the bottom of furnace body framework, hinge wheel is connected by chain 4-12 with the minor sprocket 4-10 that reducing motor output axle head is installed; Fire grate main shaft upper end is fixed by locking nut, hold-down nut and pad 4-11 successively; To be that 10mm*100mm is netted be evenly equipped with the hole that diameter is 5mm to described fire grate.
Referring to Fig. 8, among the figure, described feed assembly comprises back taper fuel hopper 5-1, the top of fuel hopper is provided with fuel inlet 5-2, the bottom connection of fuel hopper is provided with horizontal feed pipe 5-3, be provided with the feed screw assembly in the horizontal feed pipe, the feed screw assembly comprises helical axis 5-4 and flight 5-5, and the helical axis outer end is connected with reducing motor 5-7 by shaft coupling 5-6.
Referring to Figure 10, among the figure, described heat-exchanging component comprises upper and lower baffle plate 6-1,6-2, is installed with the heat exchanger tube 6-3 of some arrangements between the upper and lower baffle plate; Described heat exchanger tube adopts stainless steel material to make; Heat-exchanging component is fixed on the flue assembly by installing rack 7-14.
Referring to Figure 18-Figure 20, the direction of arrow is represented the trend of flue gas in the inner flue among the figure, described flue assembly comprises that outlet is over against flue bent pipe and the flame retardant coating 7-1 of chimney breast, by inner flue plate 7-2, the inner flue that ramp 7-3 and inboard wall of furnace body surround under the inner flue and inner flue are positioned at the inner flue jet mouth 7-4 of hot-blast outlet end, the initiating terminal of flue bent pipe and flame retardant coating and inner flue is equipped with flue demarcation strip 7-5, flue demarcation strip two ends are fixed on the inboard wall of furnace body by demarcation strip chute 7-6, by flashboard retaining button 7-7 branch cigarette flashboard 7-8 is installed on the flue demarcation strip, divide on the cigarette flashboard and be installed with branch cigarette adjusting rod 7-10 by cushion block 7-9, divide cigarette adjusting rod one end to stretch out body of heater, the external part end is equipped with branch cigarette regulating handle 7-11, divides between cigarette adjusting rod external part and the body of heater hole to be provided with adjusting rod axle sleeve 7-12; Flue bent pipe and flame retardant coating and inner flue are fixedly mounted on the body of heater inner roof wall by slot 7-13.
Referring to Fig. 6-Fig. 7, among the figure, described automatic ash discharging device comprises the horizontal cement output tank 8-1 that is divided into dust stratification groove and two or three backhaul ash chambers bottom, respectively be provided with the ash discharge screw assembly in the cement output tank, the port of export of cement output tank is provided with out ash bucket 8-2, one side of body of heater is equipped with reducing motor 8-3, the ash discharge screw assembly contains helical axis 8-4 and flight 8-5, helical axis one end stretches out body of heater, and be fixed on the bottom of furnace body framework by two groups of bearings assembly 8-6, fixed cover is equipped with chain pulley seat and hinge wheel 8-7 on the external part of each helical axis, and each hinge wheel is connected by chain 8-9 respectively with the hard-wired double minor sprocket 8-8 of reducing motor transmission axle head.
Referring to Figure 11-Figure 13, among the figure, described automatic ash handling equipment comprises the dedusting spring 9-1 that is installed in each heat exchanger tube, dedusting spring upper end is hooked on many row's carbine sheet 9-2, fixedly there is cantilever 9-3 at the two ends of carbine sheet, the both sides of cantilever are hinged on the furnace body frame by hinged connecting rod 9-4 and connecting rod base 9-5, crane span structure 9-6 is installed on the cantilever, gantry middle portion laterally runs through power transmission shaft 9-7 is installed, the two ends of power transmission shaft are fixedly mounted on furnace body frame and the flue assembly by transmission axle bed 9-8 and power transmission shaft tailstock 9-9, power transmission shaft one end stretches out body of heater, and the external part end is connected with motor 9-10; Fixedly connected by rib 9-11 between many row's carbine sheets; Power transmission shaft runs through the flue assembly, and the middle part of power transmission shaft is fixed on the flue assembly by switch block 9-12 and catch 9-13.
The course of work of the present invention is as follows:
The autofeed assembly is sent biomass fuel in the burner hearth to, and fuel burns at fire grate, and one time wind enters by under the fire grate, has damper can regulate the size of a wind; Secondary wind and tertiary air are added by burner hearth, and wherein tertiary air is the tangential whirlwind of 45 degree, has damper can regulate the size of secondary wind and tertiary air; The fire that fuel combustion forms has a secondary furnace in the burner hearth internal combustion above burner hearth, fuel is at this complete after-flame; Enter the heat exchanger tube inwall then, heat exchanger tube absorbs heat, and draws in the stove by air-introduced machine, and the air blast outer wall that blows heat exchanger tube blows out heated hot air heated then, has been deformed into hot blast.
The above only is the schematic specific embodiment of the present invention; be not in order to limit scope of the present invention; the equivalent variations that any those skilled in the art makes under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.

Claims (10)

1. biomass efficient heat transfer energy-saving hot blast furnace, comprise body of heater, the burner hearth assembly, the fire door assembly, the fire grate assembly, the feed assembly, heat-exchanging component, the flue assembly, air blast, the cold wind import, chimney breast and hot-blast outlet, it is characterized in that: the bottom is provided with the burner hearth assembly in the described body of heater, the burner hearth assembly comprises upper furnace, middle burner hearth and lower hearth, the burner hearth periphery is provided with heat-insulation layer, be provided with high-temperature-resistant layer in the heat-insulation layer of upper furnace periphery simultaneously, the upper furnace top is provided with secondary furnace, on the upper furnace one wing furnace body fire door assembly is installed, be provided with an air inlet adjustment mouth and two or three air inlet adjustment mouths on the lower hearth one wing furnace body from bottom to top successively, corresponding with an air inlet adjustment mouth, the lower hearth outer surface is provided with air inlet one time, corresponding with two or three air inlet adjustment mouths, lower hearth and middle burner hearth outer surface are provided with secondary air mouth and three tangent air inlets respectively; Burner hearth assembly bottom is provided with the fire grate assembly; Body of heater is interior, burner hearth assembly top is provided with heat-exchanging component; Body of heater is interior, the heat-exchanging component top is provided with the flue assembly; The stove roof plate of body of heater is provided with the chimney breast that is communicated with the flue assembly; Body of heater one side is provided with the feed assembly, and the discharging opening of feed assembly is communicated with the upper furnace of burner hearth assembly; One side of body of heater is provided with air blast, and the air-out interface of air blast is connected by pipeline with the cold wind import of upper of furnace body one side, and the cold wind import is over against heat-exchanging component; With respect to the cold wind import, be provided with hot-blast outlet at the opposite side of body of heater; Body of heater is interior, fire grate assembly below is provided with back taper dust stratification groove; In body of heater, a side of burner hearth assembly is communicated with and is provided with back taper two or three backhaul ash chambers; Described dust stratification groove and two or three backhaul ash chambers bottom are provided with automatic ash discharging device simultaneously; Described fire grate assembly contains the fire grate rotating mechanism; Be provided with automatic ash handling equipment in the heat exchanger tube of described heat-exchanging component.
2. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described body of heater comprises double-deck furnace top board and furnace body frame, is provided with heat-insulation layer in double-deck furnace top board and the furnace body frame.
3. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described fire door assembly comprises fire door, one side of fire door is by the hinge seat, hinge sleeve and flap are hinged on the body of heater, the fixing relevant door-hinge of the opposite side of fire door and pass door handle, closing door handle and gate stop on being fixedly mounted on body of heater, to cooperate realization to close the door fixing, on fire door periphery and the body of heater contact-making surface gasket and door seal frame are installed, by rotating shaft and pilot pin peephole is installed on the fire door, in the ectonexine steel plate of fire door heat-insulation layer is installed, the fire door inner surface is provided with high-temperature-resistant layer.
4. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1 is characterized in that: described fire grate assembly comprises fire grate the sweep up dust fire grate of frame, grate plate and grate plate below sweep up dust plate and fire grate rotating mechanism; The fire grate rotating mechanism comprises the fire grate main shaft, the fire grate frame that sweeps up dust, grate plate and the fire grate plate that sweeps up dust is sleeved on the fire grate main shaft in succession, also be set with the fire grate cover on the fire grate main shaft simultaneously, on the fire grate main shaft, fire grate cover below is set with the fire grate ash-stopping ring, burner hearth is stretched out in fire grate main shaft lower end, being fixed on the bottom of furnace body framework by the bearings assembly respectively up and down of external part, be set with hinge wheel and chain pulley seat on the external part simultaneously, fire grate main shaft one side, be installed with reducing motor on the bottom of furnace body framework, hinge wheel is connected by chain with the minor sprocket that reducing motor output axle head is installed; Fire grate main shaft upper end is successively by locking nut, hold-down nut and spacers; To be that 10mm*100mm is netted be evenly equipped with the hole that diameter is 5mm to described fire grate.
5. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described feed assembly comprises the back taper fuel hopper, the top of fuel hopper is provided with fuel inlet, the bottom connection of fuel hopper is provided with horizontal feed pipe, be provided with the feed screw assembly in the horizontal feed pipe, the feed screw assembly comprises helical axis and flight, and the helical axis outer end is connected with reducing motor by shaft coupling.
6. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described heat-exchanging component comprises upper and lower baffle plate, is installed with the heat exchanger tube of some arrangements between the upper and lower baffle plate; Described heat exchanger tube adopts stainless steel material to make; Heat-exchanging component is fixed on the flue assembly by installing rack.
7. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described flue assembly comprises that outlet is over against flue bent pipe and the flame retardant coating of chimney breast, by the inner flue plate, the inner flue that ramp and inboard wall of furnace body surround under the inner flue and inner flue are positioned at the inner flue jet mouth of hot-blast outlet end, the initiating terminal of flue bent pipe and flame retardant coating and inner flue is equipped with the flue demarcation strip, flue demarcation strip two ends are fixed on the inboard wall of furnace body by the demarcation strip chute, by flashboard retaining button branch cigarette flashboard is installed on the flue demarcation strip, divide on the cigarette flashboard and be installed with branch cigarette adjusting rod by cushion block, divide cigarette adjusting rod one end to stretch out body of heater, the external part end is equipped with branch cigarette regulating handle, divides between cigarette adjusting rod external part and the body of heater hole to be provided with the adjusting rod axle sleeve; Flue bent pipe and flame retardant coating and inner flue are fixedly mounted on the body of heater inner roof wall by slot.
8. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described automatic ash discharging device comprises the horizontal cement output tank that is divided in dust stratification groove and two or the three backhaul ash chambers bottom, respectively be provided with the ash discharge screw assembly in the cement output tank, the port of export of cement output tank is provided with out ash bucket, one side of body of heater is equipped with reducing motor, the ash discharge screw assembly contains helical axis and flight, helical axis one end stretches out body of heater, and be fixed on the bottom of furnace body framework by two groups of bearings assemblies, fixed cover is equipped with chain pulley seat and hinge wheel on the external part of each helical axis, and each hinge wheel is connected by chain respectively with the hard-wired double minor sprocket of reducing motor transmission axle head.
9. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: described automatic ash handling equipment comprises the dedusting spring that is installed in each heat exchanger tube, dedusting spring upper end is hooked on many row's carbine sheets, fixedly there is cantilever at the two ends of carbine sheet, the both sides of cantilever are hinged on the furnace body frame by hinged connecting rod and connecting rod base, crane span structure is installed on the cantilever, gantry middle portion laterally runs through power transmission shaft is installed, the two ends of power transmission shaft are fixedly mounted on furnace body frame and the flue assembly by transmission axle bed and power transmission shaft tailstock, power transmission shaft one end stretches out body of heater, and the external part end is connected with motor; Fixedly connected by rib between many row's carbine sheets; Power transmission shaft runs through the flue assembly, and the middle part of power transmission shaft is fixed on the flue assembly by switch block and catch.
10. biomass efficient heat transfer energy-saving hot blast furnace according to claim 1, it is characterized in that: a described air inlet is the circumferential uniform a plurality of air intake through holes that are arranged on the lower hearth outer surface; Described three tangent air inlets are the 45 a plurality of tangential air intake through holes of spending angles for two-layer and middle burner hearth outer surface tangential direction up and down.
CN201310184427.7A 2013-05-20 2013-05-20 Biomass efficient heat-transmission energy-saving hot blast stove Expired - Fee Related CN103277891B (en)

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CN104566952A (en) * 2014-12-11 2015-04-29 新乐盛佳绿能科技有限公司 Household miniature biomass hot blast stove
CN105371487A (en) * 2014-08-26 2016-03-02 青岛恒昌盛集团有限公司 Straw particle combustion furnace
CN107642817A (en) * 2017-08-10 2018-01-30 营口临潼维宁科技有限公司 Biological particles intelligent combustion hot blast air-conditioning
CN108224479A (en) * 2018-04-16 2018-06-29 赵凯 A kind of biologic grain stove
CN108662773A (en) * 2018-05-03 2018-10-16 李娜 Automatic control gasification hot-air stove
CN109028033A (en) * 2018-08-07 2018-12-18 贵州广益鑫能源开发有限公司 The anti-decompression anti-coking burner of the dedicated three-level air distribution of biomass molding fuel flue-cured tobacco

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CN105371487A (en) * 2014-08-26 2016-03-02 青岛恒昌盛集团有限公司 Straw particle combustion furnace
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CN108224479A (en) * 2018-04-16 2018-06-29 赵凯 A kind of biologic grain stove
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CN108662773A (en) * 2018-05-03 2018-10-16 李娜 Automatic control gasification hot-air stove
CN109028033A (en) * 2018-08-07 2018-12-18 贵州广益鑫能源开发有限公司 The anti-decompression anti-coking burner of the dedicated three-level air distribution of biomass molding fuel flue-cured tobacco

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Inventor after: Gao Haihua

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