CN210533006U - Heat accumulating type oxy-fuel combustion kiln - Google Patents

Abstract

The utility model discloses a heat accumulation formula oxy-fuel combustion kiln, including the kiln furnace body, one side fixedly connected with heated board of kiln furnace body is kept away from to the heat insulating board, and one side fixedly connected with high temperature resistant board of heat insulating board is kept away from to the heated board, and the top central position intercommunication of kiln furnace body has the flue gas recovery tube, and the one end and the combustor intercommunication at kiln furnace body top are kept away from to the flue gas recovery tube, and the top central position of cross support frame rotates and is connected with the axis of rotation, and the surface of axis of rotation just is located the inside fixedly connected with suction fan of kiln furnace body, and the inside of flue gas recovery tube just is close to the rigidity of. This heat accumulation formula oxy-fuel combustion kiln has reached waste heat recovery and has utilized, filterable effect, and it is effectual to keep warm, has reduced calorific loss, has improved heat utilization efficiency, reduces the pollution to the environment, has improved performance.

Description

Heat accumulating type oxy-fuel combustion kiln

Technical Field

The utility model relates to a kiln technical field specifically is a heat accumulation formula oxy-fuel combustion kiln.

Background

The kiln is a device built by refractory materials for firing products, is a necessary facility in glass production, accumulates abundant kiln-making styles and experiences in the ceramic firing history of mankind for ten thousand years, and is continuously improved and developed from overground open-air burning, pit digging and burning to a steamed bread-shaped flame-rising circular kiln, a semi-inverted-flame horseshoe-shaped kiln, a semi-slope dragon kiln and a duck egg-shaped kiln in the original society and then to an indoor air kiln and an electric kiln at present. At present, the existing combustion kiln in the market has the disadvantages of complex structure, inconvenient use, poor heat preservation effect, no heat preservation function, serious heat loss, insufficient utilization of waste heat of flue gas, waste in vain, serious economic loss, intangible increase of the production cost of glass, pollution particles in flue gas, direct emission of toxic and harmful gases, atmosphere pollution and reduction of the use performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a heat accumulation formula oxy-fuel combustion kiln has solved the structure complicacy, uses inconveniently, and the heat preservation effect is poor, does not have the heat preservation function even, and the heat loss is serious, and the flue gas waste heat does not obtain make full use of, wastes wastefully on vain, causes serious economic loss, has increased glass's manufacturing cost among the intangible, contains the pollution particle in the flue gas moreover, and poisonous and harmful gas directly discharges, causes the atmosphere pollution, has reduced the problem of performance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a heat accumulating type total oxygen combustion kiln comprises a kiln body, wherein a heat insulation plate is fixedly connected to the inner wall of the kiln body, a heat insulation plate is fixedly connected to one side, away from the kiln body, of the heat insulation plate, a high temperature resistant plate is fixedly connected to one side, away from the heat insulation plate, of the heat insulation plate, a combustion chamber is fixedly connected to the central position of the bottom of the inner wall of the kiln body, a burner is fixedly connected to the central position of the bottom of the inner wall of the combustion chamber, a melting tank is fixedly connected to the bottom of the inner wall of the kiln body through support legs, a flue gas recovery pipe is communicated with the central position of the top of the kiln body, one end, away from the top of the kiln body, of the flue gas recovery pipe sequentially penetrates through the outer wall of the kiln body and the outer wall of the combustion chamber and extends into the combustion chamber, one end, the top central point of cross support frame puts to rotate and is connected with the axis of rotation, the surface of axis of rotation just is located the inside fixedly connected with suction fan of kiln furnace body, the inside of flue gas recovery pipe just is close to the position fixedly connected with filter equipment of axis of rotation.

Preferably, the top end of axis of rotation runs through the inner wall of flue gas recovery pipe and extends to its outside, the axis of rotation extends to the outside one end fixedly connected with big bevel gear of flue gas recovery pipe, the top fixedly connected with motor of flue gas recovery pipe, the output shaft fixedly connected with bevel pinion of motor, meshing connection between bevel pinion and the big bevel gear.

Preferably, the one end of combustor communicates in proper order has oxygen hose, gas pipe, oxygen hose, gas pipe run through kiln furnace body inner wall, combustion chamber inner wall in proper order and extend to the outside of combustion chamber, oxygen hose, gas pipe extend to the outside one end of combustion chamber all are provided with the valve.

Preferably, the top of the combustion chamber is provided with a rectangular hole matched with the combustor.

Preferably, the cross-shaped support frame is rotatably connected with the rotating shaft through a bearing.

Preferably, filter equipment is including filtering the frame, the surface of filtering the frame and the inner wall fixed connection of flue gas recovery pipe, the inner wall of filtering the frame is primary filter screen, secondary filter screen and active carbon filter screen of fixedly connected with in proper order.

(III) advantageous effects

The utility model provides a heat accumulating type oxy-fuel combustion kiln. The method has the following beneficial effects:

(1) this heat accumulation formula oxy-fuel combustion kiln, keep away from one side fixedly connected with heated board of kiln body through the heat insulating board, one side fixedly connected with high temperature resistant plate of heat insulating board is kept away from to the heated board, kiln body's top central position intercommunication has flue gas recovery tube, flue gas recovery tube keeps away from the one end and the combustor intercommunication at kiln body top, kiln body's inner wall and the position fixedly connected with cross support frame that is close to kiln body top, cross support frame's top central position rotates and is connected with the axis of rotation, the surface of axis of rotation and the inside fixedly connected with induced-draft fan that is located kiln body, waste heat recovery utilizes's effect has been reached, and is simple and reasonable in structure, high durability and convenient use, the heat preservation effect is good, heat loss has been reduced.

(2) This heat accumulation formula oxy-fuel combustion kiln, through the surface of crossing the filter frame and the inner wall fixed connection of flue gas recovery pipe, the inner wall of crossing the filter frame is primary filter screen, secondary filter screen and active carbon filter screen of fixedly connected with in proper order, has reached filterable effect, and is rational in infrastructure simple, and convenient to use has the filterable function of flue gas, reduces the pollution to the environment, has improved performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of a cruciform support;

fig. 3 is a schematic structural view of the filter device.

In the figure: 1 kiln furnace body, 2 heat insulating boards, 3 heat insulating boards, 4 high temperature resistant boards, 5 combustion chambers, 6 burners, 7 supporting legs, 8 melting tanks, 9 flue gas recovery pipes, 10 cross-shaped supporting frames, 11 rotating shafts, 12 suction fans, 13 filtering devices, 131 filtering frames, 132 primary filter screens, 133 secondary filter screens, 134 activated carbon filter screens, 14 large bevel gears, 15 motors, 16 small bevel gears, 17 oxygen pipes, 18 gas pipes and 19 valves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a heat accumulation formula oxy-fuel combustion kiln, including kiln body 1, kiln body 1's inner wall fixedly connected with heat insulating board 2, one side fixedly connected with heated board 3 of kiln body 1 is kept away from to heat insulating board 2, heated board 3 has the heat preservation function, reduce calorific loss, one side fixedly connected with high temperature resistant plate 4 that heat insulating board 2 was kept away from to heated board 3, kiln body 1's inner wall bottom central point fixedly connected with combustion chamber 5, combustion chamber 5's inner wall bottom central point fixedly connected with combustor 6, the rectangular hole with combustor 6 looks adaptation is seted up at the top of combustion chamber 5, kiln body 1's inner wall bottom is through supporting leg 7 fixedly connected with melting tank 8, kiln body 1's top central point intercommunication has flue gas recovery pipe 9, flue gas recovery pipe 9 recycles the flue gas, the one end that kiln body 1 top was kept away from to flue gas recovery pipe 9 runs, The outer wall of the combustion chamber 5 extends to the inside of the combustion chamber 5, one end of the flue gas recovery pipe 9, which is far away from the top of the kiln body 1, is communicated with the combustor 6, the position of the inner wall of the kiln body 1, which is close to the top of the kiln body 1, is fixedly connected with a cross-shaped support frame 10, the top center position of the cross-shaped support frame 10 is rotatably connected with a rotating shaft 11, the cross-shaped support frame 10 is rotatably connected with the rotating shaft 11 through a bearing, the surface of the rotating shaft 11, which is located inside the kiln body 1, is fixedly connected with an air suction fan 12, the position of the inside of the flue gas recovery pipe 9, which is close to the rotating shaft 11, is fixedly connected with a filtering device 13, the filtering device 13 filters impurities and toxic and harmful gases in flue gas, the filtering device 13 comprises a filtering frame 131, the surface of the filtering frame 131 is fixedly connected, primary filter screen 132 filters large granule impurity, secondary filter screen 133 filters fine granule impurity, poisonous and harmful gas in the adsorbable flue gas of active carbon filter screen 134, the top of axis of rotation 11 runs through the inner wall of flue gas recovery pipe 9 and extends to its outside, axis of rotation 11 extends to the outside big bevel gear 14 of one end fixedly connected with of flue gas recovery pipe 9, the top fixedly connected with motor 15 of flue gas recovery pipe 9, the output shaft fixedly connected with little bevel gear 16 of motor 15, meshing connection between little bevel gear 16 and the big bevel gear 14, the one end of combustor 6 communicates in proper order has oxygen hose 17, gas hose 18, oxygen hose 17, gas hose 18 runs through kiln body 1 inner wall in proper order, combustor 5 inner wall extends to the outside of combustor 5, oxygen hose 17, gas hose 18 extends to the outside one end of combustor 5 and all is provided with valve 19.

During the use, at first let in the gas and burn in combustor 6 through gas pipe 18, let in oxygen in combustor 6 through oxygen hose 17, make the gas can fully burn, combustor 6 gets into the heating to melting tank 8 this moment, starting motor 15 makes its work immediately this moment, motor 15's output shaft drives bevel pinion 16, thereby drive bevel pinion 14, thereby drive axis of rotation 11, thereby drive aspiration fan 12, inhale the flue gas in flue gas recovery tube 9 this moment, and make the flue gas pass through filter equipment 13, particle impurity filters, secondary filter screen 133 filters fine particle impurity, poisonous harmful gas in the adsorbable flue gas of active carbon filter screen 134, the flue gas after the filtration gets back to combustor 6 once more through flue gas recovery tube 9, gas that will not fully burn carries out the postcombustion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a heat accumulation formula oxy-fuel combustion kiln, includes kiln furnace body (1), its characterized in that: the kiln comprises a kiln body (1), a heat insulation plate (2) is fixedly connected to the inner wall of the kiln body (1), a heat insulation plate (3) is fixedly connected to one side, away from the kiln body (1), of the heat insulation plate (2), a high temperature resistant plate (4) is fixedly connected to one side, away from the heat insulation plate (2), of the heat insulation plate (3), a combustion chamber (5) is fixedly connected to the central position of the bottom of the inner wall of the kiln body (1), a combustor (6) is fixedly connected to the central position of the bottom of the inner wall of the combustion chamber (5), a melting pool (8) is fixedly connected to the bottom of the inner wall of the kiln body (1) through supporting legs (7), a flue gas recovery pipe (9) is communicated to the central position of the top of the kiln body (1), one end, away from the top of the kiln body (1), of the flue gas recovery pipe (9, flue gas recovery tube (9) keep away from the one end and combustor (6) intercommunication at kiln furnace body (1) top, the inner wall of kiln furnace body (1) and be close to position fixedly connected with cross support frame (10) at kiln furnace body (1) top, the top central authorities position of cross support frame (10) rotates and is connected with axis of rotation (11), the surface of axis of rotation (11) and the inside fixedly connected with suction fan (12) that are located kiln furnace body (1), the inside of flue gas recovery tube (9) and the position fixedly connected with filter equipment (13) that are close to axis of rotation (11).

2. A regenerative oxy-fuel combustion furnace as set forth in claim 1, wherein: the top of axis of rotation (11) runs through the inner wall of flue gas recovery pipe (9) and extends to its outside, axis of rotation (11) extend to flue gas recovery pipe (9) outside one end fixedly connected with big bevel gear (14), the top fixedly connected with motor (15) of flue gas recovery pipe (9), the output shaft fixedly connected with bevel pinion (16) of motor (15), meshing connection between bevel pinion (16) and big bevel gear (14).

3. A regenerative oxy-fuel combustion furnace as set forth in claim 1, wherein: the one end of combustor (6) communicates in proper order has oxygen hose (17), gas pipe (18), oxygen hose (17), gas pipe (18) run through kiln furnace body (1) inner wall, combustion chamber (5) inner wall in proper order and extend to the outside of combustion chamber (5), oxygen hose (17), gas pipe (18) extend to the outside one end of combustion chamber (5) and all are provided with valve (19).

4. A regenerative oxy-fuel combustion furnace as set forth in claim 1, wherein: the top of the combustion chamber (5) is provided with a rectangular hole matched with the combustor (6).

5. A regenerative oxy-fuel combustion furnace as set forth in claim 1, wherein: the cross-shaped support frame (10) is rotatably connected with the rotating shaft (11) through a bearing.

6. A regenerative oxy-fuel combustion furnace as set forth in claim 1, wherein: filter equipment (13) are including filtering frame (131), the surface of filtering frame (131) and the inner wall fixed connection of flue gas recovery pipe (9), the inner wall of filtering frame (131) is primary filter screen (132), secondary filter screen (133) and active carbon filter screen (134) of fixedly connected with in proper order.

Images