CN100493360C

CN100493360C - Bake oven device

Info

Publication number: CN100493360C
Application number: CNB2005100489146A
Authority: CN
Inventors: 徐方坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-14
Filing date: 2005-01-14
Publication date: 2009-06-03
Anticipated expiration: 2025-01-14
Also published as: CN1802932A

Abstract

A baking oven equipment, comprising the housing of thermal insulation, which is equipped with air outlet, inlet and feeding opening, and the heating structure, which is characterized in that the furnace of said heating structure is filled with wood, forage fodder, waste fiber or coal, the top of furnace is connected with venthole in housing through chimney flue made of metal, and at the same the chimney flue is used as heating device for baking oven. The invention is characterized by the simple and rational structure, easy to produce and greatly reduced energy cost.

Description

Bake oven device

Technical field

The present invention relates to the bake oven device technical field.

Background technology

In industrial production, often to use baking oven or similar bake oven device dries by the fire product, make the moisture of product be subjected to thermal evaporation, final, make people obtain a kind of product of drying, the convenient use is so baking oven is widely used on processing industries such as food, shoes, Lin's grass.Traditional baking oven is a kind of to be to adopt fuel combustion to produce heat to dry product, it as the patent No. 96237016.9 Chinese patent " fuel-firing gas-firing formula far infrared food drying tunnel ", it is made up of at least one baker, above in the baker burner hearth, transmitting chain belt the combustion chamber is housed, its top is heat exchanger plate, the air of heating hot-air channel, the bottom is the far infrared radiation plate, the food upper surface is carried out the heat radiation baking, force hot blast circulation to send to force hot blast that the food lower surface is toasted in the burner hearth, be located at the fuel oil type of burner hearth lateral wall or combustion type burner to the burning indoor heating by the air-supply plate on warm-air pipe top.Another kind is to adopt Electric heating to come baked goods, as the patent No. is the Chinese patent " combined baking channel " of 02134812.X, it comprises deflector roll, air compartment, it is characterized in that the front portion is the far infrared preheating oven that is provided with many group far infrared electro-thermal tubes, and the rear portion level is associated with at least 2 sections Circulating Air Dry Ovens.In each section Circulating Air Dry Oven, the bottom of the top of film band and baking oven air compartment is provided with the V-type tuyere that the clearance type air outlet is arranged at the V-type bottom, the top of baking oven air compartment, be provided with air heat exchanger, baking oven loam cake middle part is provided with and exports the hot air circulation backflow airduct that is connected on the air intake machine air inlet.Also be provided with and control in far infrared preheating oven and each section Circulating Air Dry Oven programmable controller PLC, the proportion differential temperature controller PID of temperature in the deflector roll transmission speed and baking oven respectively.They no doubt have its progressive one side, but also there is common shortcoming, very nervous as present national energy, a lot of zones exist and lack coal, the situation of short of electricity, on the contrary, there is a large amount of refuses to need to utilize in some industry or zone, as produce mat, the straw-made articles industry of tatami, it needs baking oven to dry Lin's grass on the one hand, as use the baking oven of above-mentioned gas fuel or the baking oven of electricity consumption, and certainly will to expend a large amount of non-renewable the fuel oil energy and electric energy, make the energy of country nervous more, and the manufacturing cost of product is constantly risen, and a large amount of junks that self industry produces such as Lin's grass leftover bits and pieces can't digest, and are thrown away to handle or burn down on the farm, have both caused to waste, contaminated environment also needs us to go to overcome again.

Summary of the invention

This practical technical problem to be solved is to provide a kind of bake oven device at existing background technology, and it is simple and reasonable, manufactures easily, can turn waste into wealth, and reduces energy expenditure greatly.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of bake oven device, it includes the crust of the device of energy heat-insulation and heat-preservation, crust of the device is provided with air outlet and air inlet and feed inlet and outlet, also be provided with heat radiating structure in the device, it is characterized in that described heat radiating structure is the burner hearth that adopts burning firewood or forage or fiber or coal or the various waste materials that can burn, the flue that upper furnace is made by metal leads to the outlet flue on the shell, simultaneously the double water back of doing bake oven device of flue; Described shell is being separated out heating chamber and baking chamber near the inboard wall of shell position with the metal heat-conducting plate, burner hearth just is arranged in the heating chamber with flue, and and the inboard wall of shell, heat-conducting plate between leave the gap, the baking chamber of baking oven is communicated with heating chamber by last lower channel

As improvement, described flue adopts the baffling pipeline of labyrinth type, to improve heat-transfer effect; And flue can be to be that center line is symmetrically arranged with the burner hearth, and accordingly, outlet flue also is symmetrically arranged, has both made things convenient for the baking oven manufacturing to produce, and making temperature of oven again is to successively decrease equably in middle mind-set both sides with burner hearth, improves the baking quality and the effect of product.

Useful is, described metal heat-conducting plate be substantially "

" type, it is simple in structure, is beneficial to the circulative convection of heated air stream, and can further prolong the time of staying of heated air stream in baking oven, improves the effect that bakes.

Improve again, described air inlet just is arranged on the heating chamber top, and air intake blower fan is installed, as required with additional air intake effect, and improve the forced convertion effect, heating chamber interior heat amount is transported to baking in time goes in the chamber, accordingly, air outlet be arranged on the baking chamber the top, on extractor fan is installed, the thermal current that will contain moisture is as required discharged outside the baking oven, to improve and to improve drying effect.

Useful is, described extractor fan is for being equipped with the wind wheel of exhausting on the pipeline of air outlet, the main shaft of wind wheel drives connection by transmission mechanism mutually with motor on cover top portion, it both had been beneficial to air-out, avoid moisture thermal current to damage motor again, prolong the result of use and the life-span of extractor fan.

At last, its bottom of described burner hearth has air inlet to be communicated with heating chamber in addition, to improve and to improve the combustion efficiency of upper furnace.

Compared with prior art, the invention has the advantages that: it is simple and practical, it will adopt the burner hearth of combustion residue such as straw-made articles leftover bits and pieces or Lin's grass useless or timber or coal cinder and flue as heating arrangement, and the baking chamber that makes water back and baking oven is isolated into the space of two independent separate, avoid the cigarette ash polluted product in the flue gas, and structure is manufactured easily, the manufacturing expense of device is low, more preferably, can turn waste into wealth, can adopt straw-made articles leftover bits and pieces or Lin's grass or timber useless in a large number, wood chip, useless fiber, waste plastics, or all cheap fuel that can burn such as coal cinder, avoid using present the country relatively electric energy and the fuel oil energy of anxiety, reduce energy expenditure greatly, particularly the heated air stream circulative convection, prolongation is the time of staying in the baking chamber, improve the baking oven result of use, and save the energy, also solved straw-made articles waste from a factory problem of outlet simultaneously, kill two birds with one stone, be adapted at the straw-made articles industry, shoes industry or similar other industry.

Description of drawings

Fig. 1 bake oven device structure principle chart of the present invention;

Fig. 2 is that the A-A of Fig. 1 is to view;

Fig. 3 is that the B-B of Fig. 1 is to view;

Fig. 4 is that the A-A of Fig. 1 is to view.

The specific embodiment

Below in conjunction with description of drawings and specific embodiment technical scheme of the present invention is done further detailed description:

As Fig. 1-4 signal, this baking oven at first has and is used for the crust of the device 1 of heat-insulation and heat-preservation, generally makes rectangular shape, and the wall of shell adopts brick one-tenth, and end face presses concrete prefabricated board, and the bottom surface is exactly concrete floor or slabstone ground, is configured to the lagging casing of device.In the device near the position of sidewall, with fixed leg be fixed with a cross section be substantially "

" thermal conductive metal plate 10, the cavity in the baking oven is divided into small one and large one cavity, the cuboid cavity that compares less by the volume of sidewall is a heating chamber 6, the baking chamber 5 that another cuboid cavity is a baking oven.The top of thermal conductive metal plate 10 has formed the passage that the baking chamber is communicated with heating chamber with the top of shell, the sidepiece of thermal conductive metal plate 10 and ground also keep standing away, become another passage that the baking chamber is communicated with heating chamber, like this, be convenient to heated air stream and between them, carry out circulative convection, prolong the heated air stream time of staying in baking oven, the particularly heated air stream time of staying in the baking chamber, bake effect with improvement.Baking can be provided with support body or the fixed network that is used for shelving Lin's grass in the chamber.In order further to improve the effect that bakes, can the baking chamber in the baking oven be separated into the drying tunnel that is interconnected with mazy division board, the support body or the fixed network of Lin's grass is set in each drying tunnel again.Wall at crust of the device has feed inlet and outlet, generally is to make door, so that the carrying of product, and is arranged on the end one side of baking oven.

Crucial part of the present invention is, be provided with the burner hearth 2 of can burn Lin's grass or wood chip or refuse for 6 li at heating chamber, this burner hearth can be made with metal, the outer firewood mouth 22 that advances of burner hearth on the fire grate and shell is communicated with, on be hinged with cover plate, the burner hearth under the fire grate is communicated with shell ash hole 23 outward, on also be hinged with cover plate, the bottom of burner hearth has through hole 21, is communicated with heating chamber 6, to improve the combustion efficiency of burner hearth.The top of burner hearth 2 is connected with the bending flue 3 of labyrinth shape, can suitably be furnished with the metal heat-conducting post 14 that is used for conducting heat in the bending flue 3, and be communicated with the outlet flue of opening in the shell both sides 4, present embodiment has adopted the bending flue of three layers of arrangement, in order to conduct heat, flue 3 adopts thermal conductive metal plate to be welded, and makes flue become the water back of baking oven simultaneously, burner hearth 2 and flue 3 all leave the gap with the backing of thermal conductive metal plate 10 and shell 1, are convenient to its heat transfer.In order to make the temperature of baking in the chamber more even as far as possible, burner hearth 2 is arranged on the centre position of heating chamber 6, and flue 3 and outlet flue 4 all are be that center line is symmetrically arranged with burner hearth 2, and like this, the temperature of drying by the fire in the chamber is to successively decrease gradually in middle mind-set both sides with burner hearth.The top of heating chamber 6 is spaced apart successively three air inlets 8, installed and fixed air intake blower fan 7 in the air inlet, it promotes thermal current in heating chamber to press down and be transported in the baking chamber in the baking oven to go, be convenient to them and form circulative convection, be provided with oblique wind deflector 9 in the bottom of heating chamber, be more conducive to heated air stream and turn to, plate on fluting on the pipeline of air outlet also can be pegged graft becomes the air door of regulating and closing air intake.Baking top of chamber at baking oven is provided with two air outlets arranged side by side 11, on the air outlet 11 extractor fan is installed, and can discharge outside the baking oven according to the heated air stream that will contain moisture like this, to improve and to improve drying effect.This extractor fan is for being equipped with the wind wheel 12 of exhausting on the pipeline of air outlet, the main shaft of wind wheel 12 drives mutually with the sprocket wheel of motor 13 on cover top portion or air outlet pipeline by sprocket wheel and chain and is connected, it both had been beneficial to air-out, avoid moisture thermal current to damage motor again, prolong the result of use and the life-span of extractor fan, in like manner, on fluting on the pipeline of air outlet is pegged graft plate as the air door of regulating and closing air outlet.

Its operation principle and process are such, when baking oven dries by the fire Lin's grass, the charging aperture of baking oven is opened, on the fixed network with 5 li of wet Lin's swaths in the baking chamber, close charging aperture, then, open into firewood mouth 22, useless Lin's grass of lighting or wood chip are filled in the fire grate burning of getting on, and constantly add combustible such as useless Lin's grass, burner hearth 2 is fully burnt, and opening ash hole 23, to replenish ozones combustion-supporting or go out cigarette ash, open blower fan 7 at air inlet again, introduce ozone, further help burner hearth fully to burn, the flue gas that burns in the burner hearth is through the bending flue 3 of burner hearth 2 and labyrinth type, be discharged to the outside of baking oven again by outlet flue 4, simultaneously, make the intensification of being heated of the flue 3 of metal, and be heated from the high-temperature heating pipe road that the air that air inlet 8 is come in runs into burner hearth and flue, again under the compressing of blower fan 7 wind-force, move downward, move to the baking chamber 5 of baking oven by following communication passage, wet Lin's grass on the fixed network is carried out heat drying, metal division board 10 also conducts the heat of a part from heating chamber, wet Lin's grass is heated, moisture in wet Lin's grass is heated to be evaporated in the heated air stream in a large number, and the top in baking chamber has air outlet 11 side by side, extractor fan is installed on the air outlet, with a part of outside of extracting baking oven out of the heated air stream of carrying vapour, another part heated air stream moves to the top of heating chamber 6 by top communication passage, under the compressing of air intake blower fan 7, press down once more, formed forced convertion, like this, part ozone is incorporated in the baking oven by air intake blower fan, the a part of heated air stream that contains steam moisture is extracted into the outside of baking oven by air extractor, so, wet Lin's grass in the baking oven just gradually can be dry, when oven dry finishes, generally need close the air door of air inlet and air outlet, heated air stream convection circulation a period of time in baking oven inside allowing, then, stop heating, after the cooling, open discharging opening, can carry out Lin's grass after baking, advance other processing technology step and go.

Claims

1, a kind of bake oven device, it includes the crust of the device of energy heat-insulation and heat-preservation, crust of the device is provided with air outlet and air inlet and feed inlet and outlet, also be provided with heat radiating structure in the device, it is characterized in that described heat radiating structure is the burner hearth that adopts burning firewood or forage or fiber or coal or the various waste materials that can burn, the flue that upper furnace is made by metal leads to the outlet flue on the shell, simultaneously the double water back of doing bake oven device of flue; Described shell is being separated out heating chamber and baking chamber near the inboard wall of shell position with the metal heat-conducting plate, burner hearth just is arranged in the heating chamber with flue, and and the inboard wall of shell, heat-conducting plate between leave the gap, the baking chamber of baking oven is communicated with heating chamber by last lower channel.

2, bake oven device according to claim 1 is characterized in that described flue adopts the baffling pipeline of labyrinth type.

3, bake oven device according to claim 2 is characterized in that described flue is is that center line is symmetrically arranged with the burner hearth, and accordingly, outlet flue also is symmetrically arranged.

4, bake oven device according to claim 3 is characterized in that described air inlet just is arranged on the heating chamber top, and air intake blower fan is installed.

5, bake oven device according to claim 4 is characterized in that its bottom of described burner hearth has air inlet to be communicated with heating chamber in addition.

6, bake oven device according to claim 4, it is characterized in that described metal heat-conducting plate be "

" type.

7, bake oven device according to claim 4 is characterized in that described heating chamber bottom is provided with oblique wind deflector.

8, bake oven device according to claim 1, it is characterized in that described air outlet be arranged on the baking chamber the top, on extractor fan is installed.

9, bake oven device according to claim 8 is characterized in that described extractor fan is equipped with the wind wheel of exhausting on the pipeline of air outlet, and the main shaft of wind wheel drives connection by transmission mechanism mutually with motor on cover top portion.