CN206398765U - One kind energy-conservation return air oven furnace - Google Patents

Abstract

Return air oven furnace is saved the utility model discloses one kind, mainly include furnace panel, shaft, flue, stove tooth, stove pin, smoke-outlet flue, outlet flue, air inlet, secondary air inlet combustion-supporting system and air return system, secondary air inlet combustion-supporting system includes the secondary air inlet and secondary air passage being connected, make in flue fire coal and carbon monoxide secondary air inlet combustion-supporting system it is combustion-supporting under burn again, the combustion rate of fire coal is improved, the energy is greatlyd save；The slow fire outlet flue of air return system is connected with smoke-outlet flue waits a moment fiery outlet flue positioned between upper roasting chamber and lower roasting chamber and between lower roasting chamber and shaft inside bottom, tempering burner hearth is formed between flue and air inlet and shaft, the fiery cigarette of return air is tempered entrance through slow fire by flue mouthful and directly lead to furnace bottom, extend the conduct route of the fiery cigarette of return air, heat exchange area is added, the thermal efficiency of stove is substantially increased.Meanwhile, the quirk of lower roasting chamber bottom has been opened, the baking temperature of lower roasting chamber has been improved, shortens baking time.

Description

One kind energy-conservation return air oven furnace

Technical field

The utility model is related to a kind of stove, and in particular to one kind energy-conservation return air oven furnace.

Background technology

At present, most of stove that people are commonly used is straight burning straight-line stove, and it is directly carried out by burning of coal Heating, heat utilization efficiency is very low, often occurs that coal can not fully burn, the problem of waste of resource pollutes environment again, return air baking box Stove due to can be used for heating, cooking and in roasted room toast and heat food, it is very popular and welcome, it be Return air interlayer is formed between flue and shaft, flame enters after return air interlayer and is detained after return air interlayer after certain time in smoke Mouth discharge, can so make full use of heat and reduce smog emission, but existing return air oven furnace is provided with the bottom of flue Dividing plate, return air fire cigarette conduct route is shorter, and heat exchange area is small, and the thermal efficiency is relatively low, and lower roasting chamber's baking temperature is low in roasted room.

Utility model content

The purpose of this utility model is that there is provided a kind of fiery cigarette conduct road in order to solve technical problem present in prior art Line length, heat exchange area are big, the thermal efficiency is high and can improve the energy-conservation return air oven furnace of lower roasting chamber's baking temperature.

In order to achieve the above object, the utility model uses following technical scheme：One kind energy-conservation return air oven furnace, including stove Panel, shaft, flue, stove tooth, stove pin, secondary air inlet combustion-supporting system and air return system, the side wall of the shaft are provided with smoke Passage, the smoke-outlet flue is connected with outlet flue, and upper roasting chamber and lower roasting chamber setting up and down, described two are additionally provided with the shaft Secondary air intake combustion-supporting system includes the secondary air inlet and secondary air passage being connected, and the secondary air inlet is arranged on shaft side On wall, the secondary air passage is the circular passage for being arranged on flue top inner side, and the air return system turns including fast slow fire Change switch, slow fire tempering entrance, tempering burner hearth and slow fire outlet flue, the slow fire outlet flue is connected fire of waiting a moment with smoke-outlet flue Outlet flue is located between upper roasting chamber and lower roasting chamber and between lower roasting chamber and shaft inside bottom, and the slow fire tempering entrance is located at Both sides and it is connected with tempering burner hearth at the top of flue, provided with the air inlet being connected with stove tooth, the flue below the flue Tempering burner hearth is formed between air inlet and shaft.

Further, the lower section of the air inlet, which is provided with to be provided with ash-storing bin, the ash-storing bin, deposits grey drawer.

Further, the air inlet is up big and down small taper.

Further, the side of the shaft is provided with inclined packing groove, and the packing groove inside flue with being connected.

Further, the end of the packing groove is provided with groove lid.

Further, it is provided with the top of the flue and fires circle.

The utility model has the advantages that compared with the prior art：Energy-conservation return air oven furnace of the present utility model is main Including furnace panel, shaft, flue, stove tooth, stove pin, smoke-outlet flue, outlet flue, air inlet, secondary air inlet combustion-supporting system and return air System, secondary air inlet combustion-supporting system includes the secondary air inlet and secondary air passage being connected, and makes the fire coal and one in flue Carbonoxide secondary air inlet combustion-supporting system it is combustion-supporting under burn again, improve fire coal combustion rate, greatly save the energy；Return The slow fire outlet flue of wind system is connected with smoke-outlet flue waits a moment fiery outlet flue positioned between upper roasting chamber and lower roasting chamber and lower roasting Between room and shaft inside bottom, between flue and air inlet and shaft formed tempering burner hearth, return air fire cigarette conduct route by " flue top-slow fire is tempered m- smoke-outlet flue-outlet flue of entrance-flue bottom baffles-upper roasting chamber and lower roasting chamber " originally Be changed to " flue top-slow fire tempering entrance-shaft inside bottom-between upper roasting chamber and lower roasting chamber and in lower roasting chamber and shaft M- smoke-outlet flue-outlet flue of side bottom ", makes the fiery cigarette of return air be tempered entrance through slow fire by flue mouthful and directly leads to furnace bottom, extend The conduct route of return air fire cigarette, adds heat exchange area, realizes body of heater and radiate entirely, substantially increase the thermal efficiency of stove.Together When, the quirk of lower roasting chamber bottom has been opened, the baking temperature of lower roasting chamber has been improved, shortens baking time.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

The utility model reference implication is as follows：1st, furnace panel；2nd, shaft；3rd, flue；4th, stove tooth；5th, stove pin；6th, go out Cigarette channel；7th, outlet flue；8th, upper roasting chamber；9th, lower roasting chamber；10th, secondary air inlet；11st, secondary air passage；12nd, fast slow fire conversion Switch；13rd, slow fire tempering entrance；14th, it is tempered burner hearth；15th, slow fire outlet flue；16th, air inlet；17th, ash-storing bin；18th, ash is deposited to take out Drawer；19th, packing groove；20th, groove lid；21st, circle is fired.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

As shown in figure 1, a kind of energy-conservation return air oven furnace, including it is furnace panel 1, shaft 2, flue 3, stove tooth 4, stove pin 5, secondary Air intake combustion-supporting system and air return system, furnace panel 1 are arranged on the top of shaft 2, and flue 3 is located at the inside of shaft 2 and 4, stove tooth In the bottom of flue 3, flue 3 is refractory furnace and top fires function, make flare fully and cooker provided with circle 21, realization is fired Or furnace panel 1 is contacted, heat utilization rate is improved, the lower section of flue 3 is provided with the air inlet 16 being connected with stove tooth 4, and air inlet 16 is Up big and down small taper, the lower section of air inlet 16 is provided with provided with grey drawer 18 is deposited in ash-storing bin 17, ash-storing bin 17, and stove pin 5 is supported In the bottom of shaft 2, the side wall of shaft 2 is provided with smoke-outlet flue 6, and smoke-outlet flue 6 is connected with outlet flue 7, and the side of shaft 2 is set There is inclined packing groove 19, packing groove 19 inside flue 3 with being connected, and the end of packing groove 19 is provided with groove lid 20, shaft 2 also Provided with upper roasting chamber 8 and lower roasting chamber 9 setting up and down, secondary air inlet combustion-supporting system includes the secondary air inlet 10 being connected and secondary Air intake passage 11, secondary air inlet 10 is arranged on the side wall of shaft 2, and secondary air passage 11 is to be arranged on the top inner side of flue 3 Circular passage, air return system includes fast slow fire change-over switch 12, slow fire tempering entrance 13, tempering burner hearth 14 and slow fire outlet flue 15, slow fire outlet flue 15 be connected with smoke-outlet flue 6 wait a moment fiery outlet flue 15 be located between upper roasting chamber 8 and lower roasting chamber 9 and under Between roasted room 9 and the inside bottom of shaft 2, slow fire tempering entrance 13 is located at the top both sides of flue 3 and is connected with tempering burner hearth 14, Tempering burner hearth 14 is formed between flue 3 and air inlet 16 and shaft 2, fast slow fire change-over switch 12 is located at the side of outlet flue 7, opened It is fast fire when pass is opened, is slow fire when switch is closed.

In use, air inlet 16, which provides sufficient oxygen, is used for the internal combustion burning of coal of flue 3, while oxygen is from secondary air Mouthfuls 10 enter make after secondary air passages 11 fire coal and carbon monoxide in flue 3 secondary air inlet combustion-supporting system it is combustion-supporting under again Secondary burning, improves the combustion rate of fire coal.When using fast fire, fast slow fire change-over switch 12 is opened, flare fire cigarette is directly from going out Mouth 7 is discharged.When using slow fire, fast slow fire change-over switch 12 is closed, flare and fiery cigarette enter back from slow fire tempering entrance 13 In stove thorax 14, the slow fire then formed between upper roasting chamber 8 and lower roasting chamber 9 and between lower roasting chamber 9 and the inside bottom of shaft 2 Outlet flue 15 is discharged into smoke-outlet flue 6, is most discharged afterwards through outlet flue 7, extends effective conduct route of flare and fiery cigarette, and to upper Roasted room 8 and lower roasting chamber 9 fully heat, and realize the function of tempering heating, baking and heating food.

Claims (6)

1. one kind energy-conservation return air oven furnace, including furnace panel（1）, shaft（2）, flue（3）, stove tooth（4）, stove pin（5）, it is secondary enter Wind combustion-supporting system and air return system, the shaft（2）Side wall be provided with smoke-outlet flue（6）, the smoke-outlet flue（6）With smoke Mouthful（7）Connection, the shaft（2）Inside it is additionally provided with upper roasting chamber setting up and down（8）And lower roasting chamber（9）, it is characterised in that：Described two Secondary air intake combustion-supporting system includes the secondary air inlet being connected（10）With secondary air passage（11）, the secondary air inlet（10） It is arranged on shaft（2）On the wall of side, the secondary air passage（11）To be arranged on flue（3）The circular passage of top inner side, institute Stating air return system includes fast slow fire change-over switch（12）, slow fire tempering entrance（13）, tempering burner hearth（14）With slow fire outlet flue （15）, the slow fire outlet flue（15）With smoke-outlet flue（6）Be connected fiery outlet flue of waiting a moment（15）Positioned at upper roasting chamber（8）Baked with lower Room（9）Between and lower roasting chamber（9）And shaft（2）Between inside bottom, the slow fire is tempered entrance（13）Positioned at flue（3）Top Portion both sides and with tempering burner hearth（14）It is connected, the flue（3）Lower section is provided with and stove tooth（4）The air inlet being connected（16）, The flue（3）And air inlet（16）With shaft（2）Between formed tempering burner hearth（14）.

2. a kind of energy-conservation return air oven furnace according to claim 1, it is characterised in that：The air inlet（16）Lower section set There is ash-storing bin（17）, the ash-storing bin（17）Interior be provided with deposits grey drawer（18）.

3. a kind of energy-conservation return air oven furnace according to claim 1 or 2, it is characterised in that：The air inlet（16）To be upper Small taper under big.

4. a kind of energy-conservation return air oven furnace according to claim 1, it is characterised in that：The shaft（2）Side be provided with Inclined packing groove（19）, the packing groove（19）With flue（3）Inside is connected.

5. a kind of energy-conservation return air oven furnace according to claim 4, it is characterised in that：The packing groove（19）End set There is groove lid（20）.

6. a kind of energy-conservation return air oven furnace according to claim 1, it is characterised in that：The flue（3）Top is provided with liter Pyrosphere（21）.