CN213955302U

CN213955302U - Flue gas switching mechanism for pressure burner

Info

Publication number: CN213955302U
Application number: CN202022153938.0U
Authority: CN
Inventors: 王明辉; 张毅; 宋传苍; 王铁; 孙雅梅; 邢正剑; 邓强; 苗明亮
Original assignee: Jiangsu Derui Environmental Protection Technology Co ltd
Current assignee: Jiangsu Derui Environmental Protection Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-13
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to the technical field of flue gas switching of pressure burners, in particular to a flue gas switching mechanism for a pressure burner, which comprises an air inlet pipe, the left end of the air inlet pipe is fixedly connected with a left side interface of a flue gas switching device, an upper interface of the flue gas switching device is fixedly connected with the bottom of a harmless gas discharging pipe, a lower interface of the flue gas switching device is fixedly connected with the top of a nitric oxide discharging pipe, the flue gas switching device comprises a rotating shaft, a gear, a chain groove, a slide block, a slide way and a sealing ring, the middle part of the flue gas switching device is provided with the slide way, the slide block is arranged in the slide way, at present, most burners are not provided with the flue gas switching device, the burners can not be dredged by using different products generated by different fuels according to needs, and products generated by some fuels with less influence on the environment are still filtered and purified, creating a waste of resources.

Description

Flue gas switching mechanism for pressure burner

Technical Field

The utility model relates to a pressure burner flue gas switches technical field, specifically is a flue gas switching mechanism for pressure burner.

Background

The burners are classified into an oil burner, a gas burner, a light oil burner, and a dual fuel burner in a fuel manner. Can produce different flue gases after the fuel burning of difference, use the natural gas to burn and influence the environment less, can produce nitric oxide after some fuel burning, it is very big to the environmental destruction.

At present, most combustors do not have a smoke switching device, so that different products generated by using different fuels by the combustors cannot be dredged as required, and products generated by some fuels and having small influence on the environment are still filtered and purified, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas switching mechanism for pressure burner to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flue gas switching mechanism for a pressure burner comprises an air inlet pipe, wherein the left end of the air inlet pipe is fixedly connected with a left side interface of a flue gas switching device, an upper interface of the flue gas switching device is fixedly connected with the bottom of a harmless gas discharging pipe, a lower interface of the flue gas switching device is fixedly connected with the top of a nitric oxide discharging pipe, the flue gas switching device comprises a rotating shaft, a gear, a chain groove, a sliding block, a sliding way and a sealing ring, the middle part of the flue gas switching device is provided with a sliding way, the sliding way is internally provided with the sliding block which is in sliding connection with the sliding way, the inner wall of the sliding way is provided with the sealing ring, the inner wall of the sliding block is provided with the chain groove, the gear is meshed with the chain groove, the gear is movably connected with the sliding block, the right side of the gear is fixedly connected with the left end of the rotating shaft, the right end of the rotating shaft extends out of the right side of the flue gas switching device, and the bottom of the nitric oxide discharging pipe is communicated with the top of a purification chamber, the right side of clean room is provided with the oxygen induction pipe, the inside of clean room is provided with sodium hydroxide solution, sodium hydroxide solution below is provided with the mount, mount and clean room inner wall fixed connection, the inside cotter groove that is provided with in top of mount, the inside bayonet lock that is provided with of cotter groove, bayonet lock and cotter groove sliding connection, the outside of bayonet lock and the one end fixed connection of spring, the other end of spring and the bottom fixed connection in cotter groove, be provided with the filter screen frame on the mount, filter screen frame and mount sliding connection.

Preferably, the height of the sodium hydroxide solution is higher than that of the bottom end of the oxygen inlet pipe, and the height of the sodium hydroxide solution is lower than that of the bottom end of the nitric oxide outlet pipe.

Preferably, the middle part of the right side of the sealing ring is provided with a through hole, and the left side of the rotating shaft penetrates through the through hole to be fixedly connected with the middle part of the right side of the gear.

Preferably, a space is left between the bayonet lock and the bottom of the fixing frame, and the space is equal to the thickness of the filter screen frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. be provided with flue gas auto-change over device, make the different products that the different fuels of combustor burning produced treat differently, when producing harmless result, directly let in the outside air through harmless result discharging pipe in, the nitric oxide result of production lets in the clean room and purifies decomposition processing.

2. 4NO + O2+4NaOH is 4NaNO2+2H2O, the chemical equation is utilized to process the nitric oxide harmful gas generated by the burner, and the generated sodium nitrite can be collected by a filter screen frame, so that the sodium nitrite can be reused, and the energy conservation and environmental protection are realized.

Drawings

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

fig. 2 is the structure schematic diagram of the flue gas switching device of the present invention.

In the figure: 1. the device comprises an air inlet pipe, 2, a harmless gas discharging pipe, 3, a nitric oxide discharging pipe, 4, a flue gas switching device, 41, a rotating shaft, 42, a gear, 43, a chain groove, 44, a sliding block, 45, a sliding way, 46, a sealing ring, 5, a purifying chamber, 6, an oxygen introducing pipe, 7, a sodium hydroxide solution, 8, a fixing frame, 81, a clamping pin groove, 9, a clamping pin, 10, a spring, 11 and a filter screen frame.

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 to 2, the present invention provides a technical solution: a flue gas switching mechanism for a pressure burner comprises an air inlet pipe 1, the left end of the air inlet pipe 1 is fixedly connected with a left side interface of a flue gas switching device 4, an upper interface of the flue gas switching device 4 is fixedly connected with the bottom of a harmless gas discharging pipe 2, a lower interface of the flue gas switching device 4 is fixedly connected with the top of a nitric oxide discharging pipe 3, the flue gas switching device 4 comprises a rotating shaft 41, a gear 42, a chain groove 43, a sliding block 44, a sliding way 45 and a sealing ring 46, the middle part of the flue gas switching device 4 is provided with the sliding way 45, the sliding block 45 is internally provided with the sliding block 44, the sliding block 44 is in sliding connection with the sliding way 45, the inner wall of the sliding way 45 is provided with the sealing ring 46, the inner wall of the sliding block 44 is provided with the chain groove 43, the gear 42 is arranged in the chain groove 43, the gear 42 is meshed with the chain groove 43, the gear 42 is movably connected with the sliding block 44, and the right side of the gear 42 is fixedly connected with the left end of the rotating shaft 41, the right side of flue gas switching device 4 is extended to the right-hand member of pivot 41, the bottom of nitric oxide discharging pipe 3 and the top UNICOM of clean room 5, the right side of clean room 5 is provided with oxygen inlet tube 6, the inside of clean room 5 is provided with

sodium hydroxide solution

7, 7 below of sodium hydroxide solution is provided with mount 8, mount 8 and 5 inner wall fixed connection of clean room, the inside cotter groove 81 that is provided with in top of mount 8, cotter groove 81 is inside to be provided with bayonet lock 9, bayonet lock 9 and cotter groove 81 sliding connection, the outside of bayonet lock 9 and spring 10's one end fixed connection, spring 10's the other end and the bottom fixed connection of bayonet lock groove 81, be provided with filter screen frame 11 on the mount 8, filter screen frame 11 and 8 sliding connection of mount.

The height that highly is higher than the bottom of oxygen inlet tube 6 of sodium hydroxide solution 7, the height that highly is less than the height of nitric oxide discharging pipe 3 bottom of sodium hydroxide solution 7, and oxygen density is less than air density and is less than nitric oxide density, is convenient for promote its reaction of the chemical reaction of nitric oxide.

The middle part of the right side of the sealing ring 46 is provided with a through hole, the left side of the rotating shaft 41 penetrates through the through hole to be fixedly connected with the middle part of the right side of the gear 42, and the rotating shaft 41 is fixed in position and can only rotate to drive the sliding block 44 to move up and down.

An interval is reserved between the bayonet lock 9 and the bottom of the fixing frame 8, and the interval is equal to the thickness of the filter screen frame 11, so that the filter screen frame 11 is convenient to fix.

The working principle is as follows: when the burner uses natural gas as fuel to burn, the rotating shaft 41 is rotated anticlockwise to make the gear rotate anticlockwise, because the chain in the chain groove 43 is meshed with the gear, the rotating shaft 41 is fixed, the chain groove 43 drives the slide block 44 to move downwards, at this time, the air inlet pipe 1 is communicated with the harmless gas discharging pipe 2, the harmless gas flows into the outside from the harmless gas discharging pipe 2, when the harmful gas of nitric oxide is generated, the rotating shaft 41 is rotated clockwise to make the slide block move upwards, the nitric oxide gas moves into the purifying chamber 5 from the nitric oxide discharging pipe 3, the design of the sealing ring 46 prevents the gas from flowing out from the reverse pipeline to cause environmental pollution, after the nitric oxide enters into the purifying chamber 5, because the oxygen introducing pipe 6 introduces oxygen into the sodium hydroxide solution 7 to react, 4NO + O2+4NaOH is 2+2H2O, water and sodium nitrite crystal are produced, utilize filter screen frame 11 to collect so that carry out reutilization to the sodium nitrite crystal, bayonet lock 9 carries out a fixed action to filter screen frame 11, prevents that filter screen frame 11 from floating in solution and causing the sodium nitrite crystal to flow out from the filter screen frame 11 outside downwards.

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 flue gas switching mechanism for pressure combustor, includes intake pipe (1), its characterized in that: the left end of the air inlet pipe (1) is fixedly connected with a left side interface of a flue gas switching device (4), an upper interface of the flue gas switching device (4) is fixedly connected with the bottom of a harmless gas discharging pipe (2), a lower interface of the flue gas switching device (4) is fixedly connected with the top of a nitric oxide discharging pipe (3), the flue gas switching device (4) comprises a rotating shaft (41), a gear (42), a chain groove (43), a sliding block (44), a sliding way (45) and a sealing ring (46), the middle part of the flue gas switching device (4) is provided with the sliding way (45), the sliding block (44) is arranged in the sliding way (45), the sliding block (44) is slidably connected with the sliding way (45), the sealing ring (46) is arranged on the inner wall of the sliding way (45), the chain groove (43) is arranged on the inner wall of the sliding block (44), the gear (42) is arranged in the chain groove (43), and the gear (42) is meshed with the chain groove (43), the gear (42) is movably connected with the sliding block (44), the right side of the gear (42) is fixedly connected with the left end of the rotating shaft (41), the right end of the rotating shaft (41) extends out of the right side of the flue gas switching device (4), the bottom of the nitric oxide discharging pipe (3) is communicated with the top of the purifying chamber (5), the right side of the purifying chamber (5) is provided with an oxygen introducing pipe (6), the purifying chamber (5) is internally provided with a sodium hydroxide solution (7), a fixing frame (8) is arranged below the sodium hydroxide solution (7), the fixing frame (8) is fixedly connected with the inner wall of the purifying chamber (5), a clamping pin groove (81) is arranged inside the upper part of the fixing frame (8), a clamping pin (9) is arranged inside the clamping pin groove (81), the clamping pin (9) is slidably connected with the clamping pin groove (81), the outer side of the clamping pin (9) is fixedly connected with one end of the spring (10), and the other end of the spring (10) is fixedly connected with the bottom of the clamping pin groove (81), the fixed frame (8) is provided with a filter screen frame (11), and the filter screen frame (11) is connected with the fixed frame (8) in a sliding way.

2. The flue gas switching mechanism for the pressure burner of claim 1, wherein: the height of the sodium hydroxide solution (7) is higher than that of the bottom end of the oxygen introducing pipe (6), and the height of the sodium hydroxide solution (7) is lower than that of the bottom end of the nitric oxide discharging pipe (3).

3. The flue gas switching mechanism for the pressure burner of claim 1, wherein: the middle part of the right side of the sealing ring (46) is provided with a through hole, and the left side of the rotating shaft (41) penetrates through the through hole to be fixedly connected with the middle part of the right side of the gear (42).

4. The flue gas switching mechanism for the pressure burner of claim 1, wherein: and a space is reserved between the bayonet lock (9) and the bottom of the fixing frame (8), and the space is equal to the thickness of the filter screen frame (11).