CN217383020U

CN217383020U - Return air furnace and tail gas absorption device thereof

Info

Publication number: CN217383020U
Application number: CN202122749344.0U
Authority: CN
Inventors: 张良毅; 肖桂珍
Original assignee: Lichuan Ermao Stove Co ltd
Current assignee: Lichuan Ermao Stove Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-09-06
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a return air furnace and tail gas absorbing device thereof, comprising a furnace body, the wheel of traveling of taking the brake block is installed to the bottom of furnace body, the pipe of discharging fume is installed to a lateral wall of furnace body. The top of the smoke exhaust pipe is fixedly provided with a smoke inlet branch pipe, and the top of the smoke inlet branch pipe is provided with an impurity removing chamber. The inner chamber of edulcoration room is provided with the dust absorption pad, and the top of dust absorption pad is seted up jaggedly, and this breach position department installs the filter pad, dust absorption pad and filter pad separate into dust removal chamber and carbon monoxide clearance chamber with the edulcoration room. The utility model relates to the technical field of return air furnaces, the return air furnace and the tail gas absorption device thereof can effectively absorb impurities such as dust in the tail gas by arranging a dust absorption mechanism, and can lead the dust to fall off under the coordination of a stirring mechanism, thereby being convenient for discharging the dust; furthermore, through setting up carbon monoxide clearance mechanism, can clear up the carbon monoxide in the tail gas, prevent that carbon monoxide from directly discharging in the air.

Description

Return air furnace and tail gas absorption device thereof

Technical Field

The utility model relates to a return air stove technical field specifically is a return air stove and tail gas absorbing device thereof.

Background

The return air furnace is commonly used for cooking and heating, fuel in the return air furnace generates a large amount of tail gas in the combustion process, the tail gas contains dust, harmful carbon monoxide gas and the like, and the direct emission of the dust and the carbon monoxide can damage the environment.

Therefore, we propose a tail gas absorption device capable of absorbing dust and eliminating carbon monoxide to solve the above problems.

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 return air stove and tail gas absorbing device thereof has solved the problem of current return air stove exhaust emissions harmful environment.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a return air stove and tail gas absorbing device thereof, includes a furnace body, the bottom of furnace body is installed and is taken the wheel of traveling of brake block, a lateral wall of furnace body is installed the pipe of discharging fume.

The top of the smoke exhaust pipe is fixedly provided with a smoke inlet branch pipe, and the top of the smoke inlet branch pipe is provided with an impurity removing chamber.

The inner chamber of edulcoration room is provided with the dust absorption pad, and the top of dust absorption pad is seted up jaggedly, and this breach position department installs the filter pad, dust absorption pad and filter pad separate into dust removal chamber and carbon monoxide clearance chamber with the edulcoration room.

The middle part of the dust removing cavity is provided with a rotatable stirring shaft, the outer wall of the dust removing chamber is fixedly provided with a motor, and the output end of the motor is coaxially fixed with the stirring shaft.

The bottom of the impurity removing chamber is provided with a dust exhaust pipe, the side wall of the smoke exhaust pipe is provided with a dust collecting box, and the bottom of the dust exhaust pipe is communicated with the top of the dust collecting box.

An oxygen inlet pipe is arranged in the carbon monoxide cleaning cavity, and an electronic igniter is arranged on the side wall of the carbon monoxide cleaning cavity.

The top of edulcoration room is installed the connecting hopper, the top of connecting hopper is installed and is purified the box, the top of purifying the box is uncovered.

Preferably, be provided with active carbon filtering layer and HEPA filter screen in the purification box.

Preferably, a rain shielding cover is arranged at the top of the purification box.

Preferably, the connecting hopper is trumpet-shaped, wide at the bottom and narrow at the top.

Preferably, the blades on the stirring shaft are ellipsoidal.

(III) advantageous effects

The utility model provides a return air furnace and tail gas absorbing device thereof. The method has the following beneficial effects:

according to the air return furnace and the tail gas absorption device thereof, the dust absorption mechanism is arranged, so that impurities such as dust in tail gas can be effectively absorbed, and the dust can fall off under the cooperation of the stirring mechanism, so that the dust can be conveniently discharged; further, through setting up carbon monoxide clearance mechanism, can clear up the carbon monoxide in the tail gas, prevent that carbon monoxide from directly discharging in the air.

Drawings

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

fig. 2 is a partial structural sectional view of the present invention.

In the figure: 1. a furnace body; 2. a running wheel; 3. a smoke exhaust pipe; 4. a smoke inlet branch pipe; 5. an impurity removal chamber; 6. a dust absorption pad; 7. a filter pad; 8. a dust removal cavity; 9. a carbon monoxide cleaning chamber; 10. a stirring shaft; 11. a dust exhaust pipe; 12. a dust collecting box; 13. an electronic igniter; 14. introducing oxygen into the pipe; 15. a connecting hopper; 16. a purification box; 161. an activated carbon filter layer; 162. a HEPA filter screen; 17. a rain cover; 18. a motor.

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.

As shown in fig. 1, the utility model provides a technical solution: a return air furnace and a tail gas absorption device thereof comprise a furnace body 1, wherein a running wheel 2 with a brake block is arranged at the bottom of the furnace body 1, and a smoke exhaust pipe 3 is arranged on one side wall of the furnace body 1.

As shown in figure 1, a smoke inlet branch pipe 4 is fixedly arranged at the top of a smoke exhaust pipe 3, and an impurity removing chamber 5 is arranged at the top of the smoke inlet branch pipe 4.

As shown in fig. 2, a dust absorption pad 6 is arranged in the inner cavity of the impurity removing chamber 5, a gap is formed at the top of the dust absorption pad 6, a filter pad 7 is installed at the gap, and the impurity removing chamber 5 is divided into a dust removing cavity 8 and a carbon monoxide cleaning cavity 9 by the dust absorption pad 6 and the filter pad 7.

As shown in fig. 2, a rotatable stirring shaft 10 is installed in the middle of the dust-removing chamber 8, blades on the stirring shaft 10 are ellipsoidal, and are distributed in a staggered manner in long and short axes, a motor 18 is fixedly arranged on the outer wall of the impurity-removing chamber 5, and the output end of the motor 18 is coaxially fixed with the stirring shaft 10.

As shown in FIG. 2, a dust exhaust pipe 11 is installed at the bottom of the impurity removing chamber 5, a dust collecting box 12 is installed on the side wall of the smoke exhaust pipe 3, and the bottom of the dust exhaust pipe 11 is communicated with the top of the dust collecting box 12.

As shown in fig. 2, an oxygen inlet pipe 14 is installed in the carbon monoxide cleaning chamber 9, and an electronic igniter 13 is installed on a side wall of the carbon monoxide cleaning chamber 9.

As shown in fig. 2, connecting hopper 15 is installed at the top of edulcoration room 5, and connecting hopper 15 is loudspeaker form, and the bottom is wide, the top is narrow, and purification box 16 is installed at connecting hopper 15's top, is provided with activated carbon filtering layer 161 and HEPA filter screen 162 in the purification box 16, and the top of purification box 16 is uncovered, and the top of purification box 16 is provided with rain cover 17, sets up rain cover 17 and prevents that the rainwater from getting into in the purification box 16.

And those not described in detail in this specification are well within the skill of the art.

During the use, tail gas is discharged through smoke exhaust pipe 3, then in entering into the dust removal chamber 8 in the edulcoration room 5 through advancing cigarette branch pipe 4, starter motor 18, drive (mixing) shaft 10 and rotate, thereby drive tail gas at the internal loop of dust removal chamber 8 and flow, thereby increase the attachment time on dust absorption pad 6 and filter pad 7 for the dust in the tail gas is attached to, when the thickness that attaches to the dust reaches a definite value, the long tip of (mixing) shaft 10 can strike off it, the dust after striking off is discharged into the storage in dust collection box 12 through dust exhaust pipe 11.

Later tail gas enters into carbon monoxide clearance chamber 9, supplies certain oxygen through oxygen inlet pipe 14, opens electronic ignition ware 13, fully burns the carbon monoxide in the tail gas, makes it become carbon dioxide, later tail gas enters into purification box 16 through connecting bucket 15, after the purification that has active carbon filter layer 161 and HEPA filter screen 162, discharges again in the air, behind dust removal and elimination carbon monoxide to the destruction to the environment that significantly reduces.

In summary, the return air furnace and the tail gas absorption device thereof can effectively absorb impurities such as dust in the tail gas by arranging the dust absorption mechanism, and the dust can fall off under the cooperation of the stirring mechanism, so that the dust can be conveniently discharged; further, through setting up carbon monoxide clearance mechanism, can clear up the carbon monoxide in the tail gas, prevent that carbon monoxide from directly discharging in the air.

It should be noted that the electrical components appearing in this document are all electrically connected to an external master controller and a 220V mains, and the master controller may be a computer or other conventionally known device for controlling, and the control principle, the internal structure, the control switching mode, and the like of the device are conventional means in the prior art, and are directly referred to herein without further description. 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.

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

1. The utility model provides a return air stove and tail gas absorbing device thereof which characterized in that: the furnace comprises a furnace body (1), wherein the bottom of the furnace body (1) is provided with a running wheel (2) with a brake pad, and one side wall of the furnace body (1) is provided with a smoke exhaust pipe (3);

a smoke inlet branch pipe (4) is fixedly arranged at the top of the smoke exhaust pipe (3), and an impurity removal chamber (5) is arranged at the top of the smoke inlet branch pipe (4);

a dust absorption pad (6) is arranged in the inner cavity of the impurity removing chamber (5), a gap is formed in the top of the dust absorption pad (6), a filter pad (7) is installed at the gap, and the impurity removing chamber (5) is divided into a dust removing cavity (8) and a carbon monoxide cleaning cavity (9) by the dust absorption pad (6) and the filter pad (7);

a rotatable stirring shaft (10) is arranged in the middle of the dust removing cavity (8), a motor (18) is fixedly arranged on the outer wall of the dust removing chamber (5), and the output end of the motor (18) is coaxially fixed with the stirring shaft (10);

a dust exhaust pipe (11) is arranged at the bottom of the impurity removal chamber (5), a dust collection box (12) is arranged on the side wall of the smoke exhaust pipe (3), and the bottom of the dust exhaust pipe (11) is communicated with the top of the dust collection box (12);

an oxygen inlet pipe (14) is arranged in the carbon monoxide cleaning cavity (9), and an electronic igniter (13) is arranged on the side wall of the carbon monoxide cleaning cavity (9);

the top of edulcoration room (5) is installed and is connected fill (15), the top of connecting fill (15) is installed and is purified box (16), the top of purifying box (16) is uncovered.

2. The air return furnace and the tail gas absorption device thereof according to claim 1, wherein: an active carbon filter layer (161) and a HEPA filter screen (162) are arranged in the purification box (16).

3. The air return furnace and the tail gas absorption device thereof according to claim 1, wherein: a rain shielding cover (17) is arranged at the top of the purification box (16).

4. The air return furnace and the tail gas absorption device thereof according to claim 1, wherein: the connecting hopper (15) is horn-shaped, and is wide in bottom and narrow in top.

5. The air return furnace and the tail gas absorption device thereof according to claim 1, wherein: blades on the stirring shaft (10) are ellipsoidal.