CN2648345Y

CN2648345Y - Circulating hot wind stove

Info

Publication number: CN2648345Y
Application number: CN 03252373
Authority: CN
Inventors: 时福棋
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-28
Filing date: 2003-09-28
Publication date: 2004-10-13
Anticipated expiration: 2013-09-28

Abstract

The utility model relates to a circulation hot air furnace which provides hot air for a baking cylinder used to bake boards used in pencil manufacturing. The utility model comprises a furnace body, a furnace gallbladder and a burning stove; a smoke venting cover with a smoke vent is arranged at the top of the furnace body and an ash collecting chamber is arranged at the bottom of the furnace body, an air inlet and an air outlet are arranged respectively at the upper side and the lower side of the furnace body; the furnace gallbladder is arranged in the furnace body, the air inlet and the air outlet are respectively communicated with the upper side and the lower side of the furnace gallbladder, a plurality of air channel clapboards is distantly arranged in the furnace gallbladder, and a plurality of smoke venting pipes is fixedly arranged on the air channel clapboards; the burning stove is connected at one side below the furnace body and a fire door of the stove is communicated with the ash collecting chamber. The utility model is characterized in that a plurality of air channel clapboards are horizontally arranged in the furnace gallbladder, and a plurality of smoke venting pipes is vertically inserted through on each air channel clapboard; the upper end and the lower end of the pipe chamber of each smoke venting pipe are respectively communicated with the smoke venting cover and the ash collecting chamber. The utility model has the advantages that the smoke venting pipe is hard to be distorted with long service life; and for the inner wall of the smoke venting pipe, the cleaning to the accumulated ash is convenient, which is beneficial to guaranteeing the heating efficiency and energy saving.

Description

The cycling hot wind furnace

Technical field

The utility model relates to a kind of cycling hot wind furnace, particularly a kind of cycling hot wind furnace that hot blast is provided with the baking tube of plank for baking production pencil that is applicable to.

Background technology

Known, pencil production firm need dry the plank of parcel pencil-lead, i.e. baking, and producer's custom is referred to as to call roasting plate.Because roasting plate is a link of outbalance in the pencil production process, just Given this, producer's analogy be seven fens roasting plates, the tripartite division pen is because bake the end product quality that the quality good or not of plate can directly have influence on pencil.At present, to the drying of system pen, claim baking again with wood lath, be that some pieces of identical planks of specification are placed in the roasting plate tube, light the fuel of baking tube below then, make the baking tube directly be subjected to the heating of flame, heat is passed to the interior wood lath of baking tube, to remove the moisture content in the wood lath.In by the process of flame to baking tube heating, for avoiding plank by burned and even ignite etc., so while baking by manually ceaselessly stirring plank, make the hydrone of the plank inside after being heated evaporate the surface of plank, reach the effect that makes the plank drying.Though also have some pencil manufacturers to be in to reduce roasting plate worker's labour intensity, by add one with the joining electric device of baking tube, cylindrical shell can be rotated in baking automatically.But it is still unresolved by fuel directly combustion and baking tube and cause the problem of dried wood lath difficult quality guarantee; In addition, because of adopting direct heated baking tube, fiery marquis is difficult to control aptly, even veteran roasting plate master worker also has good teacher's sense in a helpless situation unavoidably, must be careful constantly, careful, if grasp inaccurate to fiery marquis, or it is excessive to cause baking, or it is not in place to cause baking; Have, in the whole drying-plate workshop of pencil manufacturer, owing to there are some baking tubes to carry out the roasting plate of naked light with above-mentioned form, cause full of smoke, the people that chokes in whole workshop, operating environment is very abominable.So,, can then seemingly very be necessary for the baking tube provides the hot-blast stove in hot gas source for wooden pencil manufacturer.

Recently, the applicant finds existing a kind of stove or the title hot-air stove that dry-heat air can be provided for the baking tube in market, and its patent No. is 02286426.1.This device can overcome foregoing problems basically, but the deficiency that in actual application, mainly shows be because of the warm-air pipe that is located in the flue be horizontally-arranged, like this, the pipe that is near one group of accumbency above the furnace chamber directly contacts with naked light, because of long-time high temperature barbecue torsional deformation, cause damaging easily; Because smokejack is the outside at pipe, the cigarette ash that the pipe of overlapping arrangement makes pipe go up productive set is difficult to clean out, and influences the thermal efficiency; In addition, the deficiency that also shows is, though the flue-gas temperature of discharging from exhaust opening is still higher, fails reuse, considers from saving angle, exists waste.

Summary of the invention

Task of the present utility model be to provide a kind of can avoid effectively in the flue pipe because of the time for a long time by high temperature roast cause deformed damaged, to the convenient cycling hot wind furnace that improves the thermal efficiency that is beneficial to of pipe cleaning dust stratification.

Another task of the present utility model is will provide a kind of can make full use of heat energy and energy-conservation cycling hot wind furnace.

For finishing above-mentioned task, the technical solution of the utility model is: a kind of cycling hot wind furnace comprises a body of heater 1, the top of body of heater 1 is an enclosure 3, the enclosure 3 narrow exhaust openings 4 that shortened into, the bottom is a cinder catcher 19, the upper and lower sidepiece of body of heater 1 has an air inlet 5 and gas outlet 18; One flue 25 is positioned at body of heater 1, and its upper and lower sidepiece communicates with inlet, outlet 5,18 respectively, establishes many pieces of airway clapboards 28 between it is interior, sets firmly some smoke exhaust pipes 27 on the airway clapboard 28; One burning cooking stove 24, be linked in one of body of heater 1 below side, its vent 29 communicates with cinder catcher 19, characteristics are: described many pieces of airway clapboards 28 are in flue 25 and are horizontally disposed with, some smoke exhaust pipe 27 equal plumbness ground intert on each airway clapboard 28, and the tube chamber upper and lower end of each smoke exhaust pipe 27 communicates with enclosure 3 and cinder catcher 19 respectively.

For another task of the present utility model is finished in embodiment, on described exhaust opening 4 and air inlet 5, be linked with a heat exchanger 9.

The inner chamber of hot converter 9 described in the utility model is established some air baffles 13 flatly, vertically plug plurality of rows smoke pipe 12 on the air baffle 13; The upper and lower sidepiece of hot converter 9 is respectively equipped with hot blast gas outlet 10 and air inlet 15, and hot blast gas outlet 10 and air inlet 15 communicate with described inner chamber respectively, and hot blast air inlet 10 connects mutually with described air inlet 5 and communicates; The narrow into flue gas mouth 7 that is formed with in the top of hot converter 9 with contracting, this enters flue gas mouth 7 and described exhaust opening 4 UNICOMs; The bottom of hot converter 9 extends a smoke exhaust pipe 30 that communicates with smoke exhaust pipe 12, and it is an exhaust opening 16 that the smoke exhaust fan 17 that continues on the pipeline of this smoke exhaust pipe 30, smoke exhaust fan 17 are not held.

One of the utility model advantage, can ensure smoke exhaust pipe 27 not can because of the time high temperature of a specified duration barbecue cause torsional deformation, increase the service life; Two, convenient and be beneficial to the raising thermal efficiency to smoke exhaust pipe 27 inner wall cleaning dust stratifications (charcoal); Three, the flue gas of the higher temperature that exhaust opening 4 can be discharged is through heat exchanger 9 reuses and energy savings.

Accompanying drawing and drawing explanation

Accompanying drawing is a structure chart of the present utility model.

The specific embodiment

Among the figure, a body of heater 1, its top is fixed an enclosure 3 with screw 2 by corresponding screw 8, and enclosure 3 has the version of collecting flue gas, by flue tube connector 6 exhaust opening 4 and heat exchanger 9 is entered mouth 7 UNICOMs.The bottom of body of heater 1 is a cinder catcher 19, in order to admit the cigarette ash from smoke exhaust pipe 27.The upper lateral part of body of heater 1 has one by the air inlet 5 of tube connector 11 with described hot converter 9 connections.The upper and lower position of one side of the flue 25 in the body of heater 1 communicates with inlet, outlet 5,18 respectively.Many pieces of airway clapboards of cloth 28 between being flatly in the flue 1, each airway clapboard 28 is corresponding to the position of air inlet 5 or claim an end to leave venting cavity, so that air-flow flows the top-down S shape that becomes as shown by arrows of flowing.As described above, some smoke exhaust pipes 27 intert and slotting consolidating on airway clapboard 28 in vertical state.Disclose all smoke evacuations 27 among the figure and be the state setting of gathering, and formed sealing between the pipe outer wall of each pipe and the airway clapboard 28.In addition, between body of heater 1 and flue 25, have additional thermal insulation layer 26, in case the heat transmission is scattered and disappeared.See that again the upper and lower mouth of pipe position of the tube chamber of each smoke exhaust pipe 27 corresponds respectively to the cover chamber and the cinder catcher 19 of enclosure 3.In order fully to ensure the reliability in using, the utility model also is that the top board of cinder catcher 19 adopts thickening and selects the more metal material of high-quality to one piece of smoke pipe base plate 20 of the bottommost that is used for fixing smoke exhaust pipe 27.

Among the figure, burning cooking stove 24 is linked to one of body of heater 1 below side, tool dog-house 23, slag notch 22, fire grate 21 and the vent 29 that communicates with cinder catcher 19, dog-house 23 is opened in one of burning cooking stove 24 side, and dog-house 23 can have a pair of, promptly upper and lower dog-house, slag notch 22 is positioned at the below of dog-house 23, fire grate 21 is in burner hearth, and it is a pair of to answer aforementioned dog-house 23 to have, and then fire grate 21 can have upper and lower fire grate.Vent 29 is to be used for burner hearth and cinder catcher 19 are linked up, and the elevated temperature heat flue gas is entered into the tube chamber of each smoke exhaust pipe 27 via it.Hot converter 9 among the figure also can be fixing with body of heater 1 by support 14, and the airway clapboard 28 in the air baffle 13 of hot converter 9 inner chambers and the set-up mode of smoke exhaust pipe 12 and even the mechanism of action and the flue 25, the mechanism of action of smoke exhaust pipe 27 are similar.

The utility model is to come like this to drop into fuel to fire grate 21 from dog-house 23, and light it for the baking tube provides heated drying air, the fuel that drops after burning on the top fire grate 21 combustion that still can continue on lower fire grating.Certainly, the burning that can feed intake simultaneously of upper and lower fire grate is to strengthen firepower.Fire smoke gases or claim tongues of fire flue gas directly to enter all smoke exhaust pipes 27 tube chambers corresponding to cinder catcher 19 tops from vent 29.Meanwhile, the air inlet 15 of air self-heating converter 9 enters hot converter 9 inner chambers, refluxes from bottom to top after hot blast gas outlet 10, air inlet 5 enter into flue 25, finally 18 draws from the gas outlet after refluxing, and causes each baking tube with pipeline and is used for roasting plate.As previously mentioned,, form back cavity, make the air-flow from top to down be the S shape shown in the arrow and flow, and the past more dirty temperature of air is higher by this venting cavity because each airway clapboard 28 is leaving venting cavity corresponding to air inlet 5 one ends.And the high-temperature flue gas that is produced in heating process can be incorporated into hot converter 9 through flue tube connector 6 from the exhaust opening 4 of enclosure 3, and then introduces flue 25 through hot blast gas outlet 10 through air inlet 5, in order to the recycling of hot flue gas.Low-temperature flue gas then effluxes from exhaust opening 16 through smoke exhaust fan 17.After using a period of time, when needing the dust stratification on the cleaning tube wall,, every straight long smoke exhaust pipe 27 inwalls are cleaned with water get final product as long as open enclosure 3.

Claims

1, a kind of cycling hot wind furnace, comprise a body of heater (1), the top of body of heater (1) is an enclosure (3), the narrow exhaust opening (4) that shortened into of enclosure (3), the bottom is a cinder catcher (19), and the upper and lower sidepiece of body of heater (1) has an air inlet (5) and gas outlet (18); One flue (25) is positioned at body of heater (1), and its upper and lower sidepiece communicates with inlet, outlet (5), (18) respectively, establishes many pieces of airway clapboards (28) between it is interior, sets firmly some smoke exhaust pipes (27) on the airway clapboard (28); One burning cooking stove (24), be linked in one of body of heater (1) below side, its vent (29) communicates with cinder catcher (19), it is characterized in that described many pieces of airway clapboards (28) are in flue (25) is horizontally disposed with, some smoke exhaust pipes (27) all intert on each airway clapboard (28) to plumbness, and the tube chamber upper and lower end of each smoke exhaust pipe (27) communicates with enclosure (3) and cinder catcher (19) respectively.

2, cycling hot wind furnace according to claim 1 is characterized in that being linked with a heat exchanger (9) on described exhaust opening (4) and air inlet (5).

3, cycling hot wind furnace according to claim 2 is characterized in that the inner chamber of described hot converter (9) is established some air baffles (13) flatly, vertically plugs plurality of rows smoke pipe (12) on the air baffle (13); The upper and lower sidepiece of hot converter (9) is respectively equipped with hot blast gas outlet (10) and air inlet (15), and hot blast gas outlet (10) and air inlet (15) communicate with described inner chamber respectively, and hot blast air inlet (10) connects mutually with described air inlet (5) and communicates; The narrow into flue gas mouth (7) that is formed with in the top of hot converter (9) with contracting, this enters flue gas mouth (7) and described exhaust opening (4) UNICOM; The bottom of hot converter (9) extends a smoke exhaust pipe (30) that communicates with smoke exhaust pipe (12), and it is an exhaust opening (16) that the smoke exhaust fan (17) that continues on the pipeline of this smoke exhaust pipe (30), smoke exhaust fan (17) are not held.