CN102266114B - Airflow descending dense curing barn having brick-concrete structure - Google Patents
Airflow descending dense curing barn having brick-concrete structure Download PDFInfo
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- CN102266114B CN102266114B CN 201110194642 CN201110194642A CN102266114B CN 102266114 B CN102266114 B CN 102266114B CN 201110194642 CN201110194642 CN 201110194642 CN 201110194642 A CN201110194642 A CN 201110194642A CN 102266114 B CN102266114 B CN 102266114B
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Abstract
The invention discloses an airflow descending dense curing barn having a brick-concrete structure. The curing barn consists of a heating chamber and a tobacco charging chamber, wherein a heating furnace, a radiator and a fan are arranged in the heating chamber. The curing barn is characterized in that: the heating furnace consists of a furnace body and a hearth; and the radiator consists of a left fire box, an upper radiating light tube, a lower radiating light tube, a finned tube and a right fire box. A connector is arranged between a smoke fire outlet in the middle of a rear furnace cover and a smoke fire inlet pipe at the bottom of the left fire box. The curing barn has the advantages of effectively increasing the quantity of burning coal at one time, reducing the coal charging frequency, reducing the curing labor intensity, reducing the using cost and improving the utilization rate of the burning coal, and has the advantages of dense curing of tobacco leaves, large total radiatingarea, long radiating path, high radiating efficiency, convenience for clearing ash, corrosion resistance of materials, low using cost, convenience for installation, easiness in maintenance and convenient for use; and the hearth and the radiator which are mutually independent can be conveniently and tightly connected together, so that the hearth and the radiator are easily detached and carried, and good sealing property is achieved.
Description
Technical field
The present invention relates to baking equipment for preparatory treatment of tobacco, especially relate to a kind of airflow descending dense curing barn having brick-concrete structure.
Background technology
The bulk curing barn that is used for tobacco flue-curing is the special facilities of modulation tobacco leaf in the cured tobacco production.Bulk curing barn is comprised of cigarette-filling house and heating clamber two major parts, and heating furnace, radiator and blower fan are installed in heating clamber, is used for giving birth to heat, heat radiation, smoke hanging shelf is installed, in order to hang tobacco leaf in cigarette-filling house.Be partition wall between cigarette-filling house and the heating clamber, partition wall offer respectively up and down air outlet and return air inlet, heating clamber and cigarette-filling house are communicated with.During baking, blower fan is forced the hot blast that heating clamber produces to be blown in the cigarette-filling house by air outlet, hot blast is by tobacco leaf aspect heating tobacco leaf, take away simultaneously the moisture of tobacco leaf surface, discharge from exhaust outlet from a smoke stratification damp and hot air-flow part out, a part is sent heating clamber back to by return air inlet and is mixed with the fresh air of air inlet, again is heated and sends into cigarette-filling house.Therefore, in Tobacco Leaf Curing, need the good heating equipment of matching performance: the heat dissipation equipment that burner hearth and radiating efficiency are high---radiator, when guaranteeing to toast temperature afford to rise, steady must living, in time provide heat to guarantee that tobacco leaf changes in good time.
In recent years, along with the development of concentrated type baking, the performance of the burner hearth of bulk curing barn and supporting radiator is all optimized to some extent, but also has certain deficiency.Aspect the bulk curing barn heating equipment, the bulk curing barn of Electric Field At Ground In Partial Region adopts the floated burner hearth+cast iron stove lid of built-in metal tunnel, the heat dispersion of this type of burner hearth is better whole, but owing to all adopt metal processing, the heat dispersion of furnace wall is excessively strong, causes coal burning incomplete, burner hearth speed on fire is partially slow during baking, this burner hearth is built-in in addition, needs the blowing-out machine during coal, causes the barn cooling.Over the past two years, vertical coaster for baking tobacco is carried out in the tobacco leaf producing region mostly, take loose coal, firewood as main fuel, although use cost is lower, but because the space of this burner hearth is little, disposable coal amount is few, not only can increase the coal number of times, greatly increase workman's baking labour intensity, and disposable baking, utilization rate of coal and baking efficient descend to some extent also.Aspect the supporting radiator of burner hearth, also have the aspect of demanding urgently optimizing: although the radiating tube diameter of the radiator that has is thicker, total area of dissipation is little, heat dissipation path is partially short, and mostly is greatly the heat radiation light pipe, and radiating efficiency is low, and waste of fuel is serious; Although total area of dissipation of the radiator that has is larger, the diameter of radiating tube is less than normal and fin is not set, and dust stratification is serious and can't clear up in the radiating tube, and heat transfer effect is not good enough yet in the course of time; The material of the radiator that has easily produces the crack, and the leakiness cigarette affects cured effect in the use procedure; The material corrosion resistance of the radiator that has is poor, and service life is not long, and cost is higher.In addition, at present a lot of supporting burner hearth and heat dissipation equipments of bulk curing barn are closely linked, although air-tightness is better, are not easy to carrying, also are not easy to the maintenance to firing equipment and heat dissipation equipment.
Along with further developing of bulk curing barn, the heating equipment of bulk curing barn and heat dissipation equipment more and more become the principal contradiction of dense drying.
Summary of the invention
The purpose of this invention is to provide a kind of airflow descending dense curing barn having brick-concrete structure, it has can the coal-fired quantity of disposable effective increase, reduce the coal number of times, reduce baking labour intensity, use cost is cheap and improve the bulk curing tobacco leaves that is used for of utilization rate of coal, total area of dissipation is large, heat dissipation path is long, radiating efficiency is high, deashing is convenient, material corrosion resistance, use cost is cheap, easy for installation easy with maintenance, simple to operate, easy to use, separate burner hearth and radiator easily and very closely can be linked together, so that easily dismounting and carrying of burner hearth and radiator, the advantage of good airproof performance.
The object of the present invention is achieved like this:
A kind of airflow descending dense curing barn having brick-concrete structure, formed by heating clamber and cigarette-filling house's two major parts, heating furnace is installed in heating clamber, radiator and blower fan, smoke hanging shelf is installed in cigarette-filling house, in order to hang tobacco leaf, it is partition wall between cigarette-filling house and the heating clamber, offer respectively up and down air outlet and return air inlet at partition wall, heating clamber and cigarette-filling house are communicated with, feature is: heating furnace is comprised of body of heater and burner hearth, completely starch full seam with refractory brick and build the body of heater of system by furnace roof, front furnace wall, rear furnace wall, left furnace wall, right furnace wall forms, be separately installed with left hearth blast pipe and right bearth blast pipe in left furnace wall and right furnace wall, the left hearth blast pipe all is connected with tobacco flue-curing humiture robot control system(RCS) temperature executing agency with the right bearth blast pipe, being fixed with on the ground several is distributed in distance and the suspension tunnel wall parallel with rear furnace wall with front furnace wall, top at several suspension tunnel walls is fixed with the ventilating duct cover plate, adjacent two suspension tunnel walls and ventilating duct cover plate form the suspension ventilating duct together, suspension tunnel wall, suspension ventilating duct and ventilating duct cover plate consist of burner hearth suspension tunnel together; Front furnace wall, rear furnace wall, left furnace wall and right furnace wall all be seated in the ventilating duct cover plate above, the top formation furnace bottom of the ventilating duct cover plate in the body of heater, in burner hearth, be provided with middle furnace wall, middle furnace wall separates burner hearth and is left hearth and right bearth, between middle furnace wall and left furnace wall, be provided with left fire door, between middle furnace wall and right furnace wall, be provided with right fire door, be equipped with fire door sight burner, fire door air inlet and stove door switch at left fire door and right fire door, at the bottom of furnace bottom is provided with low early and high after burner hearth, at the bottom of the burner hearth, neatly be stacked with honeycomb briquette; The furnace roof that is installed in left hearth and right bearth top forms by semicircle and the front bell of making by refractory material, middle bell and rear bell, front bell and rear bell are being provided with for the bell male and female bank that covers the bell end margin near an end of middle bell respectively, with guarantee between front bell and the middle bell, sealing between middle bell and the rear bell; Be provided with the flue gas crater that joins with radiator in the centre of the afterbody of left hearth and right bearth, rear bell;
Radiator is by left fire-box, upper heat radiation light pipe, lower heat radiation light pipe, finned tube and right fire-box form, be provided with flue gas in the bottom of left fire-box and advance fire tube, the flue gas crater that flue gas advances on the rear bell of fire tube and heating furnace communicates, be provided with the smoke discharge tube that communicates with chimney at the top of right fire-box, between left fire-box and right fire-box, be equipped with and from up to down be divided into three layers and upper heat radiation light pipe that left fire-box and right fire-box are communicated with, lower heat radiation light pipe and finned tube, be fixed with between lower floor in left fire-box cavity and the middle level flue gas that enters left fire-box cavity bottom is forced left fire-box flue gas dividing plate in the finned tube, be fixed with between the middle level in right fire-box cavity and the lower floor and force right fire-box flue gas dividing plate in the lower heat radiation light pipe with enter flue gas the right fire-box cavity from finned tube.
Flue gas crater in the middle of rear bell and the flue gas of left fire-box bottom advance connector is installed between the fire tube, connector is by integrated bell tube connector, tube connector carriage and radiator connection form, the bell tube connector that is positioned at the below is identical with the internal diameter of the radiator connection that is positioned at the top, the bell tube connector can be inserted into downwards in the middle flue gas crater of rear bell, the flue gas that radiator connection can upwards be inserted into radiator advances in the fire tube, the outer wall of the junction of bell tube connector and radiator connection be provided be seated in after on the bell and the tube connector carriage that can contact with the rear bell intimate of arch, the external diameter of tube connector carriage is greater than the diameter of the flue gas crater on the rear bell, so that the tube connector carriage can cover the flue gas crater on the rear bell, prevent that the heat in the burner hearth from distributing by the slit between the flue gas crater on bell tube connector and the rear bell.
Gradient inclination angle at the bottom of the burner hearth is 7-8 °, and described honeycomb briquette is the side direction stacking that couches, the through hole direction of honeycomb briquette and the perpendicular direction of suspension ventilating duct, and top honeycomb briquette is positioned over the back of left hearth blast pipe and right bearth blast pipe.
Upper heat radiation light pipe is made of three upper heat radiation light arms placed side by side, lower heat radiation light pipe is made of four lower heat radiation light arms placed side by side, finned tube is made of four fin arms placed side by side, the diameter of fin arm is greater than the diameter of lower heat radiation light arm, the diameter of upper heat radiation light arm is identical with the diameter of lower heat radiation light arm, and three upper heat radiation light arms and four lower heat radiation light arms are staggered to be arranged, and upper heat radiation light pipe, lower heat radiation light pipe and finned tube are pipe.
Right fire-box is formed by connecting by flange by the upper right fire-box and the bottom right fire-box that separate, and upper right fire-box is separated into three layers of the upper, middle and lower by right fire-box flue gas dividing plate and flange with right fire-box cavity.
On the left end wall top of left fire-box the left fire-box gray-drawing port of drawing tepetate with left fire-box is installed, the right fire-box fire-moving port of drawing tepetate with right fire-box is installed in the right-hand member wall bottom of right fire-box.
Be provided with two flue gases that communicate respectively with two flue gas craters at the twin furnace top of heating furnace in the bottom of left fire-box and advance fire tube.
Be equipped with the heat-insulation layer made from refractory material at the inwall of left fire door and the inwall of right fire door.
The external diameter of bell tube connector is greater than the external diameter of radiator connection.
The present invention builds left and right twin furnace side by side on the basis of single burner hearth of original honeycomb baker, in the construction of the bottom of twin furnace burner hearth suspension tunnel is arranged, the heat that distributes of burner hearth bottom can enter cigarette-filling house's heating tobacco leaf under the drive of blower fan like this, improves the burner hearth heat utilization efficiency; Take honeycomb briquette as fuel, determine coal quantity according to the firepower size in twin furnace, the hole, hole of honeycomb briquette is relative during coal, and integral body is placed in the bottom of twin furnace, then continues upwards to add, and is simple to operate; The bottom of twin furnace has certain gradient, honeycomb briquette from bottom to top, by sequential combustion behind the forward direction, meet flue gas nature rising rule, it is more strong and powerful to burn; The disposable coal quantity of heating furnace is more, and single burner hearth can add at most 250 above honeycomb briquettes, effectively reduces the coal number of times, alleviates the labour intensity of tobacco flue-curing; Body of heater adopts refractory brick, bell to adopt refractory material to make, and the temperature of burner hearth self is higher, and the coal easy firing also burns fully, and not only cost is low, and use cost is also very cheap; Owing to the burner hearth blast pipe that is connected with tobacco flue-curing humiture robot control system(RCS) temperature executing agency all is installed on the left and right furnace wall, thereby the firepower size control ratio during baking is more convenient.In actual use, under the prerequisite that fully guarantees the heat supply member such as burner hearth, bell, radiator and fire door and junction sealing thereof, change the intake of fire door by the Temperature and Humidity Control main frame, realize the control to dry-bulb temperature in the firepower of burner hearth and the barn.
Body of heater adopts the parallel construction of twin furnace, and two burner hearths cooperatively interact in the bake process, and the coordinating and unifying when burning little fire, is burnt first 1 burner hearth, when treating that the 1st stove is burned to a certain degree, refires another burner hearth, and so circulation is until baking finishes.In the bake process, make a fire with a burner hearth when needing to burn little fire, moderate heat, then adopt two burner hearths to burn simultaneously when needing to burn big fire.Honeycomb briquette is in the body of heater internal combustion, and in the heating clamber of barn, under the transmission of blower fan, heat enters cigarette-filling house by heating clamber to the heat that produces by heat sink radiates.Use the reinforcing bar of diameter 1.0～1.2cm, long 150-160cm during coal, lateral opening to good honeycomb briquette makes it the hole, hole and relatively and each other is adjacent to, and then puts into reposefully at the bottom of the burner hearth from the bottom to top, dress 7-10 road or more, every road, cross section, the coal number of plies is different because of the baking process.Honeycomb briquette should be placed on the back of fire door blast pipe during coal.Coal number of times and quantity determines according to actual conditions, and what, the length of blanking time of each coal quantity are grasped flexibly according to what of the quality of the quality of ature of coal, the height of ambient temperature, bright cigarette quality and barn smoke filling density.
Finned tube in the radiator of the present invention is made of four fin arms, the quantity of radiating tube reaches 11, and diameter is thicker, and again layering setting, so that total area of dissipation becomes large, to add in left fire-box cavity He in the right fire-box cavity and be fixed with respectively left fire-box flue gas dividing plate and right fire-box flue gas dividing plate, the flue gas that enters in the left fire-box cavity from burner hearth is forced to be snakelike direction operation, heat dissipation path lengthens greatly, so radiating effect is very good.Orlop between left fire-box and right fire-box arranges finned tube, so that radiating efficiency further improves.Be respectively arranged with left fire-box gray-drawing port and right fire-box fire-moving port at left fire-box and right fire-box, be convenient to deashing; Left fire-box, right fire-box and radiating tube layering arrange, and be easy for installation.Radiator adopts the welding of 304 stainless steels or NS steel, good corrosion resistance, and long service life, long-term use does not produce crack, leakiness cigarette not.
Connector of the present invention can be inserted into downwards in the flue gas crater on the rear bell, the flue gas that upwards is inserted into radiator advances in the fire tube, thereby separate body of heater and radiator easily and very closely can be linked together, good airproof performance, guarantee not leak cigarette, the original like this burner hearth that closely combines and radiator just can be separated, and dismounting and carrying all are easy to, and keep in repair also very convenient.The tube connector carriage can contact with the bell intimate of arch, and is seamless.Connector adopts the disposable casting of heat-resisting cast iron high temperature to form, and material is even, and is high temperature resistant and corrosion-resistant, and intensity is high, surface smoothing, and free from flaw and pore, service life is longer.
During baking, blower fan is forced the hot blast that heating clamber produces to be blown in the cigarette-filling house by air outlet, hot blast is by tobacco leaf aspect heating tobacco leaf, take away simultaneously the moisture of tobacco leaf surface, discharge from exhaust outlet from a smoke stratification damp and hot air-flow part out, a part is sent heating clamber back to by return air inlet and is mixed with the fresh air of air inlet, again is heated and sends into cigarette-filling house.
Therefore, the present invention have can the coal-fired quantity of disposable effective increase, reduce the coal number of times, reduce baking labour intensity, use cost is cheap and improve utilization rate of coal be used for bulk curing tobacco leaves, total area of dissipation is large, heat dissipation path is long, radiating efficiency is high, deashing is convenient, material corrosion resistance, use cost is cheap, easy for installation and it is easy, simple to operate, easy to use to keep in repair, can with separate burner hearth and radiator easily and very closely links together so that the advantage of the easy dismounting of burner hearth and radiator and carrying, good airproof performance.
Description of drawings
Fig. 1 is vertical cross-sectional schematic of the present invention;
Fig. 2 is vertical cross-sectional schematic of heating clamber;
Fig. 3 is the horizontal cross-sectional schematic of heating clamber;
Fig. 4 is the top view of suspension tunnel wall in the heating clamber;
Fig. 5 is the top view of body of heater in the heating clamber;
Fig. 6 is the vertical cross-sectional schematic behind the burner hearth dress honeycomb briquette of the present invention;
Fig. 7 is the horizontal cross-sectional schematic behind the burner hearth dress honeycomb briquette of the present invention;
Fig. 8 is vertical cross-sectional schematic of front bell, middle bell and rear bell;
Fig. 9 is the right view of rear bell;
Figure 10 is vertical cross-sectional schematic of radiator;
Figure 11 is the horizontal cross-sectional schematic of radiator;
Figure 12 is the upper strata top view among Figure 10;
Figure 13 is the middle level top view among Figure 10;
Figure 14 is the lower floor's top view among Figure 10;
Figure 15 is the structural representation of connector;
Figure 16 is the right view of Figure 15;
Figure 17 is the top view of Figure 16.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
A kind of airflow descending dense curing barn having brick-concrete structure, formed by cigarette- filling house 1 and 2 liang of major parts of heating clamber, heating furnace 14 is installed in heating clamber 1, radiator 17 and blower fan 8, blower fan 8 drives by diesel engine 9 and motor 10, the smoke hanging shelf 3 of the multilayer that supports by column 5 is installed in cigarette-filling house 1, in order to hang tobacco leaf, the interval is equipped with several wind deflectors 4 on the top board in cigarette-filling house 1, left end bottom in cigarette-filling house 1 is provided with moistureproof window 11, be partition wall 18 between cigarette-filling house 1 and the heating clamber 2, partition wall offer respectively up and down air outlet 6 and return air inlet 12, cigarette-filling house 1 and heating clamber 2 are communicated with, 12 places are provided with return air baffle plate 13 at return air inlet, wherein:
Heating furnace 14 is comprised of body of heater 36 and burner hearth 24, completely starch full seam with refractory brick and build the body of heater 36 of system by furnace roof 30, front furnace wall 33, rear furnace wall 25, left furnace wall 38, right furnace wall 41 forms, be separately installed with left hearth blast pipe 18A and right bearth blast pipe 42 in left furnace wall 38 and right furnace wall 41, left hearth blast pipe 18A all is connected with tobacco flue-curing humiture robot control system(RCS) temperature executing agency with right bearth blast pipe 42, being fixed with on the ground several is distributed in distance and the suspension tunnel wall 20 parallel with front furnace wall 33 and rear furnace wall 25, top at several suspension tunnel walls 20 is fixed with ventilating duct cover plate 22, adjacent two suspension tunnel walls 20 and ventilating duct cover plate 22 form suspension ventilating duct 21, suspension tunnel wall 20 together, suspension ventilating duct 21 and ventilating duct cover plate 22 consist of burner hearth suspension tunnel 19 together; Front furnace wall 33, rear furnace wall 25, left furnace wall 38 and right furnace wall 41 all be seated in ventilating duct cover plate 22 above, the top formation furnace bottom 37 of the ventilating duct cover plate 22 in the body of heater 36, in burner hearth 24, be provided with middle furnace wall 40, middle furnace wall 40 separates burner hearth 24 and is left hearth 45 and right bearth 44, between middle furnace wall 40 and left furnace wall 38, be provided with left fire door 32, between middle furnace wall 40 and right furnace wall 41, be provided with right fire door 43, be equipped with fire door sight burner 34 at left fire door 32 and right fire door 43, fire door air inlet 35 and stove door switch 39, at the bottom of furnace bottom 37 is provided with low early and high after burner hearth 23, neatly be stacked with honeycomb briquette 46 on 23 at the bottom of the burner hearth; The furnace roof 30 that is installed in left hearth 45 and right bearth 44 tops is by front bell 31 semicircle and that make by refractory material, middle bell 29 and rear bell 26 form, front bell 31 and rear bell 26 are provided with for the bell male and female bank 28 that covers bell 29 end margins at the end near middle bell 29 respectively, during installation, both sides at front bell 31 and rear bell 26, front bell 31 and rear bell 26 are smeared lute at an end (comprising bell male and female bank 28) and the two ends of middle bell 29 near middle bell 29 respectively, to guarantee front bell 31 and front furnace wall 33, rear bell 26 and rear furnace wall 25, between front bell 31 and the middle bell 29, sealing between middle bell 29 and the rear bell 26; Be provided with the flue gas crater 27 that joins with radiator 17 in the afterbody of left hearth 45 and right bearth 44, the centre of rear bell 26.
23 gradient inclination angle is 7-8 ° at the bottom of the burner hearth.
Described honeycomb briquette 46 is the side direction stacking that couches, the through hole direction of honeycomb briquette 46 and the perpendicular direction of suspension ventilating duct 21, and top honeycomb briquette 46 is positioned over the back of left hearth blast pipe 18A and right bearth blast pipe 42.
Be equipped with the heat-insulation layer made from refractory material at the inwall of left fire door 32 and the inwall of right fire door 43.
Upper heat radiation light pipe 52 is made of three upper heat radiation light arms 63 placed side by side, lower heat radiation light pipe 53 is made of four lower heat radiation light arms 64 placed side by side, finned tube 54 is made of four fin arms 65 placed side by side, the diameter of fin arm 65 is greater than the diameter of lower heat radiation light arm 64, and the diameter of upper heat radiation light arm 63 is identical with the diameter of lower heat radiation light arm 64.
Three upper heat radiation light arms 63 and four lower heat radiation light arms 64 are staggered and arrange.
Right fire-box 56 is formed by connecting by flange 59 by the upper right fire-box 58 and the bottom right fire-box 62 that separate, and upper right fire-box 58 is separated into three layers of the upper, middle and lower by right fire-box flue gas dividing plate 57 and flange 59 with right fire-box cavity 61.
On the left end wall top of left fire-box 48 the left fire-box gray-drawing port 50 of drawing tepetate with left fire-box is installed, the right fire-box fire-moving port 60 of drawing tepetate with right fire-box is installed in the right-hand member wall bottom of right fire-box 56.
Be provided with two flue gases that communicate respectively with two flue gas craters 27 at the twin furnace top of heating furnace 14 in the bottom of left fire-box 48 and advance fire tube 47.
Upper heat radiation light pipe 52, lower heat radiation light pipe 53 and finned tube 54 are pipe.
The external diameter of bell tube connector 66 is greater than the external diameter of radiator connection 68.
During baking, the tobacco grower is in the operation room 15 interior operations of making a fire, blower fan 8 is forced the hot blast that heating clamber 2 produces to be blown in the cigarette-filling house 1 by hot blast 7, air outlet 6, hot blast is by tobacco leaf aspect heating tobacco leaf, take away simultaneously the moisture of tobacco leaf surface, 11 discharge from a smoke stratification damp and hot air-flow part out from moistureproof window, and a part is sent heating clamber 2 back to by return air inlet 12 and mixed with the fresh air of air inlet, again are heated and send into cigarette-filling house 1.
Claims (9)
1. airflow descending dense curing barn having brick-concrete structure, formed by cigarette-filling house and heating clamber two major parts, heating furnace is installed in heating clamber, radiator and blower fan, smoke hanging shelf is installed in cigarette-filling house, in order to hang tobacco leaf, it is partition wall between cigarette-filling house and the heating clamber, offer respectively up and down air outlet and return air inlet at partition wall, heating clamber and cigarette-filling house are communicated with, it is characterized in that: heating furnace is comprised of body of heater and burner hearth, completely starch full seam with refractory brick and build the body of heater of system by furnace roof, front furnace wall, rear furnace wall, left furnace wall, right furnace wall forms, be separately installed with left hearth blast pipe and right bearth blast pipe in left furnace wall and right furnace wall, the left hearth blast pipe all is connected with tobacco flue-curing humiture robot control system(RCS) temperature executing agency with the right bearth blast pipe, being fixed with on the ground several is distributed in distance and the suspension tunnel wall parallel with rear furnace wall with front furnace wall, top at several suspension tunnel walls is fixed with the ventilating duct cover plate, adjacent two suspension tunnel walls and ventilating duct cover plate form the suspension ventilating duct together, suspension tunnel wall, suspension ventilating duct and ventilating duct cover plate consist of burner hearth suspension tunnel together; Front furnace wall, rear furnace wall, left furnace wall and right furnace wall all be seated in the ventilating duct cover plate above, the top formation furnace bottom of the ventilating duct cover plate in the body of heater, in burner hearth, be provided with middle furnace wall, middle furnace wall separates burner hearth and is left hearth and right bearth, between middle furnace wall and left furnace wall, be provided with left fire door, between middle furnace wall and right furnace wall, be provided with right fire door, be equipped with fire door sight burner, fire door air inlet and stove door switch at left fire door and right fire door, at the bottom of furnace bottom is provided with low early and high after burner hearth, at the bottom of the burner hearth, neatly be stacked with honeycomb briquette; The furnace roof that is installed in left hearth and right bearth top forms by semicircle and the front bell of making by refractory material, middle bell and rear bell, front bell and rear bell are being provided with for the bell male and female bank that covers the bell end margin near an end of middle bell respectively, with guarantee between front bell and the middle bell, sealing between middle bell and the rear bell; Be provided with the flue gas crater that joins with radiator in the centre of the afterbody of left hearth and right bearth, rear bell;
Radiator is by left fire-box, upper heat radiation light pipe, lower heat radiation light pipe, finned tube and right fire-box form, be provided with flue gas in the bottom of left fire-box and advance fire tube, the flue gas crater that flue gas advances on the rear bell of fire tube and heating furnace communicates, be provided with the smoke discharge tube that communicates with chimney at the top of right fire-box, between left fire-box and right fire-box, be equipped with and from up to down be divided into three layers and upper heat radiation light pipe that left fire-box and right fire-box are communicated with, lower heat radiation light pipe and finned tube, be fixed with between lower floor in left fire-box cavity and the middle level flue gas that enters left fire-box cavity bottom is forced left fire-box flue gas dividing plate in the finned tube, be fixed with between the middle level in right fire-box cavity and the lower floor and force right fire-box flue gas dividing plate in the lower heat radiation light pipe with enter flue gas in the middle of the right fire-box cavity from finned tube.
2. airflow descending dense curing barn having brick-concrete structure according to claim 1, it is characterized in that: the flue gas crater in the middle of rear bell and the flue gas of left fire-box bottom advance connector is installed between the fire tube, connector is by integrated bell tube connector, tube connector carriage and radiator connection form, the bell tube connector that is positioned at the below is identical with the internal diameter of the radiator connection that is positioned at the top, the bell tube connector can be inserted into downwards in the middle flue gas crater of rear bell, the flue gas that radiator connection can upwards be inserted into radiator advances in the fire tube, the outer wall of the junction of bell tube connector and radiator connection be provided be seated in after on the bell and the tube connector carriage that can contact with the rear bell intimate of arch, the external diameter of tube connector carriage is greater than the diameter of the flue gas crater on the rear bell.
3. airflow descending dense curing barn having brick-concrete structure according to claim 1 and 2, it is characterized in that: the gradient inclination angle at the bottom of the burner hearth is 7-8 °, described honeycomb briquette is the side direction stacking that couches, the through hole direction of honeycomb briquette and the perpendicular direction of suspension ventilating duct, and top honeycomb briquette is positioned over the back of left hearth blast pipe and right bearth blast pipe.
4. airflow descending dense curing barn having brick-concrete structure according to claim 3, it is characterized in that: on the light pipe that dispels the heat consisted of by three upper heat radiation light arms placed side by side, lower heat radiation light pipe is made of four lower heat radiation light arms placed side by side, finned tube is made of four fin arms placed side by side, the diameter of fin arm is greater than the diameter of lower heat radiation light arm, the diameter of upper heat radiation light arm is identical with the diameter of lower heat radiation light arm, and three upper heat radiation light arms and four lower heat radiation light arms are staggered and arrange upper heat radiation light pipe, lower heat radiation light pipe and finned tube are pipe.
5. airflow descending dense curing barn having brick-concrete structure according to claim 4, it is characterized in that: right fire-box is formed by connecting by flange by the upper right fire-box and the bottom right fire-box that separate, and upper right fire-box is separated into three layers of the upper, middle and lower by right fire-box flue gas dividing plate and flange with right fire-box cavity.
6. airflow descending dense curing barn having brick-concrete structure according to claim 1, it is characterized in that: on the left end wall top of left fire-box the left fire-box gray-drawing port of drawing tepetate with left fire-box is installed, the right fire-box fire-moving port of drawing tepetate with right fire-box is installed in the right-hand member wall bottom of right fire-box.
7. airflow descending dense curing barn having brick-concrete structure according to claim 1 is characterized in that: be provided with two flue gases that communicate respectively with two flue gas craters at the twin furnace top of heating furnace in the bottom of left fire-box and advance fire tube.
8. airflow descending dense curing barn having brick-concrete structure according to claim 1 is characterized in that: be equipped with the heat-insulation layer made from refractory material at the inwall of left fire door and the inwall of right fire door.
9. airflow descending dense curing barn having brick-concrete structure according to claim 1, it is characterized in that: the external diameter of bell tube connector is greater than the external diameter of radiator connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110194642 CN102266114B (en) | 2011-07-13 | 2011-07-13 | Airflow descending dense curing barn having brick-concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110194642 CN102266114B (en) | 2011-07-13 | 2011-07-13 | Airflow descending dense curing barn having brick-concrete structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102266114A CN102266114A (en) | 2011-12-07 |
| CN102266114B true CN102266114B (en) | 2013-03-20 |
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| CN 201110194642 Expired - Fee Related CN102266114B (en) | 2011-07-13 | 2011-07-13 | Airflow descending dense curing barn having brick-concrete structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599627A (en) * | 2012-04-01 | 2012-07-25 | 黄灿荣 | Energy-saving tobacco flue-curing barn |
| CN103263070A (en) * | 2013-05-03 | 2013-08-28 | 云南省烟草公司红河州公司 | Four-layer tobacco loading bulk curing barn |
| CN103859562A (en) * | 2014-03-31 | 2014-06-18 | 林利 | Air flow velocity control device for combustion chamber of tobacco flue-curing room |
| CN106418639B (en) * | 2016-09-30 | 2018-09-11 | 广东省烟草南雄科学研究所 | A kind of alcohol radical and diesel fuel dual-purpose baking apparatus for tobacco leaf and tobacco flue-curing method |
| CN107006887B (en) * | 2017-04-14 | 2019-01-11 | 贵州省烟草公司黔西南州公司 | A kind of bulk curing barn heating chamber structure and its building method |
| CN110652025B (en) * | 2019-04-30 | 2021-08-06 | 江西省烟草科学研究所 | Multipurpose tobacco leaf bulk curing barn |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212634A (en) * | 1978-06-05 | 1980-07-15 | Harrington Manufacturing Company | Auxiliary heating system for a bulk tobacco barn |
| US4482315A (en) * | 1983-09-12 | 1984-11-13 | Day Harding W | Bulk tobacco barn furnace |
| CN2935839Y (en) * | 2006-07-14 | 2007-08-22 | 聂荣邦 | Dense roasting house of one oven with multiple radiation pipe heater |
| CN201322526Y (en) * | 2008-11-28 | 2009-10-07 | 中国烟草总公司郑州烟草研究院 | Energy saving environmentally friendly heating device for bulk flue-curing barn |
| CN201663910U (en) * | 2010-03-29 | 2010-12-08 | 广东省烟草南雄科学研究所 | Tunnel disposable coal-adding furnace chamber of intensive curing barn |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939656B2 (en) * | 1979-04-28 | 1984-09-25 | 三州産業株式会社 | hot air generator |
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2011
- 2011-07-13 CN CN 201110194642 patent/CN102266114B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212634A (en) * | 1978-06-05 | 1980-07-15 | Harrington Manufacturing Company | Auxiliary heating system for a bulk tobacco barn |
| US4482315A (en) * | 1983-09-12 | 1984-11-13 | Day Harding W | Bulk tobacco barn furnace |
| CN2935839Y (en) * | 2006-07-14 | 2007-08-22 | 聂荣邦 | Dense roasting house of one oven with multiple radiation pipe heater |
| CN201322526Y (en) * | 2008-11-28 | 2009-10-07 | 中国烟草总公司郑州烟草研究院 | Energy saving environmentally friendly heating device for bulk flue-curing barn |
| CN201663910U (en) * | 2010-03-29 | 2010-12-08 | 广东省烟草南雄科学研究所 | Tunnel disposable coal-adding furnace chamber of intensive curing barn |
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| CN102266114A (en) | 2011-12-07 |
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