CN202853308U

CN202853308U - Drying stove utilizing small-sized boiler smoke dust waste heat

Info

Publication number: CN202853308U
Application number: CN 201220449718
Authority: CN
Inventors: 何树香
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-01
Filing date: 2012-09-01
Publication date: 2013-04-03
Anticipated expiration: 2022-09-01

Abstract

Disclosed is a drying stove utilizing small-sized boiler smoke dust waste heat. The drying stove comprises an air heating system capable of connecting high-temperature exhaust gas at a boiler smoke discharge opening to the drying stove. The heating system is provided with a calandria heat exchange structure which is composed of high-temperature ceramic tubes. By heating the outer wall of the ceramic heat exchange calandria, the high-temperature exhaust gas is cooled and discharged by an induced draft fan. Air is heated by passing through the inner portion of the high-temperature ceramic heat exchange tubes, and hot air enters the drying stove under the effect of the induced draft fan and conducts heating and drying upon to-be-heated materials. Temperature of the air entering the drying stove is adjusted through vane sets. The air entering the drying stove is filtered by an air filter screen. Heated hot air enters a drying stove drying chamber and an upper air guide duct, and the temperature inside the drying stove is enabled to be even by adjusting the air guide vanes. A stove door used for entrance and exit of a material baking frame is arranged on a side face of the drying stove. Rock wool or aluminum silicate material is filled inside interlayers of a drying stove body and the stove door so as to achieve heat preservation effect. At the positions of both the drying stove door and the drying stove body silicone tubular-shaped sealing strips are adopted so as to guarantee sealing effect.

Description

A kind of drying oven that utilizes miniature boiler flue dust waste heat

Technical field

The utility model relates to a kind of technical field of miniature boiler flue dust UTILIZATION OF VESIDUAL HEAT IN, especially relates to a kind of drying oven that utilizes miniature boiler flue dust waste heat.

Background technology

At present, in the processing of numerous agricultural byproducts, food, be widely used the production technology of heating, drying, such as tobacco, tealeaves, medicinal material, grain, vegetables, flavouring, edible mushroom, dehydrated food etc., the drying mode of current general employing is; Coal-fired drying oven, natural gas or liquefied gas burning drying oven, electrical heating drying oven etc., adopt above drying mode, energy waste is serious, production cost is high, also can discharge a large amount of harmful substances such as carbon dioxide, contaminated environment, further investigation reveals that a lot of small-sized manufacturing enterprises, and the high-temperature flue gas of the fire coal that uses of unit heating, fuel-oil or fuel-gas boiler, burning substantially be not utilized, huge like this heat energy has been wasted but also has polluted environment.

Summary of the invention

For the energy waste that solves present heating, drying production, the deficiency that reaches the waste of boiler high temperature flue dust waste heat, the utility model provides a kind of reasonable in design, simple in structure, energy savings, can effectively utilize boiler high temperature flue dust waste heat, the heating, drying material; A kind of drying oven that utilizes miniature boiler flue dust waste heat.

The technical scheme that its technical problem that solves the utility model adopts is: the high-temperature flue gas of boiler smoke outlet, be connected to the flue gas blast pipe of the air heating system of drying oven, air heating system adopts the refractory ceramics heat exchanger tube, forms the comb close packed structure, to increase heat exchange area, high-temperature flue gas by to heat-exchange ceramic outer wall heating, logical overcooled flue gas by the gravitation of air-introduced machine or chimney, enter deduster or directly discharge, the exhaust gases passes inwall is pasted the high temperature porcelain plate, is avoided the ablation of high-temperature flue gas, the whole welded-steel plate construction that adopts.

Air is inner by the refractory ceramics heat exchanger tube, heated air enters drying oven by the effect of drying oven air-introduced machine, material to be heated is carried out heating, drying, be provided with at heating system air intlet place the capable of adjusting air inlet amount air inlet adjusting vane group, be used for to regulate the temperature that enters drying oven, be provided with airstrainer, cleaning to guarantee to enter the drying oven air in import department, the hot-air by heating enters drying oven drying chamber and upper guide air channel, the angle by adjusting blow direction adjusting blades and top adjusting vane, makes the drying oven internal temperature even.

Fire door is set in the drying oven side, for the turnover of material baking rack, the inwall of oven dry body of heater, oven dry fire door all adopt corrosion resistant plate processing and manufacturing, Sandwich filling rock wool or aluminum silicate insulation material, silica gel tubulose sealing strip is adopted in the joint portion of oven dry fire door and oven dry body of heater, to guarantee sealing effect.

The beneficial effects of the utility model are: take full advantage of the air generation hot blast that the boiler smoke waste-heat enters drying oven, because the flue dust air heating system has been cooled off the flue dust temperature, reduced the discharging of boiler smoke pollutant, adopt heat-exchange ceramic, avoided the ablation of high-temperature flue gas, use more durable, also make the air of heating cleaner, with the utility model heating, drying material, energy savings, reduce production costs, and simple in structure, implement to compare low cost of manufacture with other forms of drying oven easily, safeguard easily, safe and practical, economic environmental protection; Operate extremely easy to use.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Accompanying drawing 1 is the cross-sectional view of overlooking of the present utility model.

Accompanying drawing 2 is side-looking cross-sectional view of the present utility model.

Accompanying drawing 3 is heating system air inlet cross-sectional view of the present utility model.

Among the figure; 1. flue gas blast pipe, 2. heat exchanger tube, 3. air-introduced machine blast pipe, 4. air-introduced machine, 5. air-introduced machine exhaust duct, 6. drying oven air inlet, 7. air inlet adjusting vane, 8. air inlet filter screen, 9. oven adjusting vane, 10. top adjusting vane, 11. drying chambers, 12. oven air-introduced machine blast pipes, 13. oven air-introduced machine, 14. oven air-introduced machine exhaust duct, 15. oven dry bodies of heater, 16. oven dry fire doors, 17. air inlet vane regulator, 18. shoot door, 19. heating system side plates, the 20. fixing holes of earthenware.

The specific embodiment

The utility model comprises in the accompanying drawing; The boiler smoke heating system is by flue gas blast pipe (1), heat exchanger tube (2), air-introduced machine (4) forms, heat exchanger tube (2) is comprised of many (quantity is determined by the oven size) refractory ceramics combs, the outside that the high-temperature flue gas that is come by the boiler exhaust gas pipe toasts heat exchanger tube (2), the flue gas of cooling is through air-introduced machine (4), discharge by air-introduced machine exhaust duct (5), after flue gas heating system uses a period of time, open the inner smoke dust of shoot door (18) cleaning, the boiler smoke heating system adopts welded-steel plate construction, exhaust gases passes part inwall adopts the high temperature porcelain plate to paste, to prevent high temperature ablation, heat exchanger tube (2) adopts high-temperature ceramic to form comb, earthenware is connected with the hole (20) of the fixedly earthenware of two ends heating system side plates (19), seal fixedly earthenware and the fixedly slit of the hole of earthenware (20) with ceramic mud, air-introduced machine (4) adopts the efficient centrifugal blower fan.

Drying oven is comprised of refractory ceramics comb endoporus, oven adjusting vane (9), top adjusting vane (10), drying chamber (11), oven air-introduced machine blast pipe (12), oven air-introduced machine (13), oven air-introduced machine exhaust duct (14), thermal insulation furnace body (15), the baking fire door (16) of air inlet adjusting vane (7), inlet air filter screen (8), heat exchanger tube (2), when drying oven uses; Oven air-introduced machine (13) starts, outside air is by air inlet adjusting vane (7), air inlet adjusting vane (7) is by air inlet vane regulator (17), the size of automatically regulating intake according to the temperature that enters drying chamber (11), inlet air filter screen (8) filters the air that enters drying chamber (11), filtered air enters the refractory ceramics comb endoporus of heat exchanger tube (2), enter the inside of drying chamber (11) through the hot blast of heating, hot blast is through oven adjusting vane (9), the top adjusting vane (10) of upper hot wind tunnel, characteristics according to the baking material, regulate oven adjusting vane (9), the switching angle of the top adjusting vane (10) of upper hot wind tunnel, make the hot blast in the drying chamber (11) even, to keep each temperature in the drying chamber (11) consistent, make material obtain uniform drying effect, the inwall of oven dry body of heater (15), oven dry fire door (16) all adopts the corrosion resistant plate processing and manufacturing, Sandwich filling rock wool or aluminum silicate insulation material, silica gel tubulose sealing strip is adopted in the joint portion of oven dry fire door (16) and oven dry body of heater (15), to guarantee sealing effect.

Claims

1. drying oven that utilizes miniature boiler flue dust waste heat, it is characterized in that: by flue gas blast pipe (1), heat exchanger tube (2), air-introduced machine (4) forms the boiler smoke heating system, heat exchanger tube (2) is comprised of many refractory ceramics combs, the outside that the high-temperature flue gas that is come by the boiler exhaust gas pipe toasts heat exchanger tube (2), the flue gas of cooling is through air-introduced machine (4), discharge by air-introduced machine exhaust duct (5), after flue gas heating system uses a period of time, open the inner smoke dust of shoot door (18) cleaning, the boiler smoke heating system adopts welded-steel plate construction.

2. a kind of drying oven that utilizes miniature boiler flue dust waste heat according to claim 1, it is characterized in that: exhaust gases passes part inwall adopt the high temperature porcelain plate paste, preventing high temperature ablation, heat exchanger tube (2) adopts high-temperature ceramic to form comb, earthenware to be connected with the hole (20) of the fixedly earthenware of two ends heating system side plates (19), to seal fixedly earthenware with ceramic mud and be connected with the fixing slit of the hole of earthenware (20).

3. a kind of drying oven that utilizes miniature boiler flue dust waste heat according to claim 1 is characterized in that: drying oven is by refractory ceramics comb endoporus, oven adjusting vane (9), top adjusting vane (10), drying chamber (11), oven air-introduced machine blast pipe (12), oven air-introduced machine (13), oven air-introduced machine exhaust duct (14), thermal insulation furnace body (15), the interconnective structure of baking fire door (16) of air inlet adjusting vane (7), inlet air filter screen (8), heat exchanger tube (2).

4. a kind of drying oven that utilizes miniature boiler flue dust waste heat according to claim 1 is characterized in that: the size that air inlet adjusting vane (7) is regulated intake automatically by air inlet vane regulator (17), according to the temperature that enters drying chamber (11).