CN211781149U

CN211781149U - Waste gas burns device in stove

Info

Publication number: CN211781149U
Application number: CN202020214890.7U
Authority: CN
Inventors: 钱喜军; 蒋健
Original assignee: WUXI THINKING-LONG INDUSTRIAL FURNACE CO LTD
Current assignee: WUXI THINKING-LONG INDUSTRIAL FURNACE CO LTD
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-27
Anticipated expiration: 2030-02-26

Abstract

The utility model relates to a waste gas burns device in stove, including the three-way valve, the first end of three-way valve is the waste gas entry end, and the second end is for connecing the chimney discharge end, and the third end is the waste gas exit end, connects to connect the chimney discharge pipe after the chimney discharge end installation leads to the valve, and the mixing drum is connected to the waste gas exit end, and the mixing drum is opened has three port, is waste gas input end, combustion air input end, mist output end respectively, and the mixing drum waste gas input end is connected to the waste gas exit end, and the mixing drum top sets up heat exchanger. The utility model discloses, simple structure is applicable to various heat treatment exhaust-gas treatment, can burn impurity and harmful substance in the heat treatment waste gas and waste gas burning is abundant, separates the residue through setting up the baffle, and purifying effect is showing.

Description

Waste gas burns device in stove

Technical Field

The utility model belongs to the technical field of heat treatment waste gas, a waste gas burns device in stove is related to.

Background

Heat treatment refers to a hot metal working process in which a material is heated, held and cooled in the solid state to achieve a desired texture and properties. Many gases generated after heat treatment have pollution, and if the gases are directly discharged into the atmosphere, the gases pollute the environment and destroy the health of people.

Disclosure of Invention

An object of the utility model is to provide a waste gas burns device in stove can solve gaseous a lot of problem that all have the pollution, and can separate the residue, and purifying effect is showing.

According to the utility model provides a technical scheme: a waste gas incineration device in a furnace comprises a three-way valve, wherein a first end of the three-way valve is a waste gas inlet end, a second end of the three-way valve is a chimney connecting exhaust end, a third end of the three-way valve is a waste gas outlet end, the chimney connecting exhaust end is connected with a chimney exhaust pipe after being provided with a check valve, the waste gas outlet end is connected with a mixing barrel, the mixing barrel is provided with three ports, namely a waste gas input end, a combustion-supporting air input end and a mixed gas output end, the waste gas outlet end is connected with the waste gas input end of the mixing barrel, a heat exchanger is arranged above the mixing barrel, the heat exchanger is provided with a heat source input end, a heat source output end, a heating input end and a heating output end, the heating; mixing barrel below sets up burns burning furnace, set up the partition wall that admits air and burn the filter partition wall in the burning furnace, the partition wall that admits air with burn the filter partition wall and will it separates into chamber, first combustion chamber, second combustion chamber to admit air the chamber periphery and open and have the combustion chamber air inlet, second combustion chamber periphery is opened and is had the combustion chamber gas outlet, the combustion chamber air inlet is connected the mixing barrel gas mixture output, the combustion chamber gas outlet is connected heat exchanger heat source input, set up the nozzle installation piece in the chamber of admitting air, it has the nozzle mounting hole to open in the nozzle mounting piece, the hole is ignited in nozzle mounting hole intercommunication, install the nozzle in the nozzle mounting hole, it has first reposition of redundant personnel hole to ignite the hole periphery, it has the second reposition of redundant personnel hole to open in the partition wall of admitting air, it has the filter through-hole to burn to filter partition wall.

As a further improvement of the utility model, the exhaust end of the chimney is positioned above the exhaust outlet end.

As a further improvement of the present invention, the heat exchanger heating input end and the heating chamber is arranged between the heat exchanger heating output ends, the heat exchanger heat source input end and the heat exchanger heat source output end are connected by the heating pipe, and the heating pipe is arranged in the heating chamber.

As a further improvement of the utility model, the mixing barrel heating output end passes through the connecting tube connects connect the chimney discharge pipe.

As a further improvement of the utility model, the heat exchanger heating output end with set up the telescopic joint between the connecting tube.

As a further improvement of the present invention, the first flow dividing hole communicates with the ignition hole and the air intake chamber respectively, and the second flow dividing hole communicates with the air intake chamber and the first combustion chamber respectively.

As a further improvement of the utility model, a temperature sensor is arranged in the incinerator.

Compared with the prior art, the utility model, have following advantage:

1. the utility model has simple structure and small occupied space; is suitable for treating various heat treatment waste gases.

2. The utility model discloses can burn impurity and harmful substance in the heat treatment waste gas and waste gas burning abundant, separate the residue through setting up the baffle, purifying effect is showing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the figure 1, the device comprises a three-way valve 1, an exhaust gas inlet end 1-1, a chimney connection discharge end 1-2, an exhaust gas outlet end 1-3, a through-stop valve 2, a mixing barrel 3, a heat exchanger 4, a chimney connection discharge pipe 5, a connecting pipeline 6, an incinerator 7, an air inlet partition wall 7-1, an incineration filter partition wall 7-2, an air inlet cavity 7-3, a first combustion chamber 7-4, a second combustion chamber 7-5, a burner mounting block 7-6, a first flow dividing hole 7-7, a second flow dividing hole 7-8, a filter through hole 7-9, a burner 8, a telescopic joint 9, a temperature sensor 10 and the like.

As shown in figure 1, the utility model relates to a waste gas burns device in stove, including three-way valve 1, three-way valve 1 first end is waste gas entry end 1-1, and the second end is for connecing chimney discharge end 1-2, and the third end is waste gas exit end 1-3, connects chimney discharge end 1-2 to be located the top of waste gas exit end 1-3. The chimney exhaust end is connected with a chimney exhaust pipe 5 after a through valve 2 is installed. The waste gas outlet end 1-3 is connected with a mixing barrel 3. A mixing cavity is arranged in the mixing barrel 3, and the mixing barrel 3 is provided with three ports, namely a waste gas input end, a combustion air input end and a mixed gas output end. The waste gas outlet end 1-3 is connected with the waste gas input end on the mixing barrel 3.

A heat exchanger 4 is arranged above the mixing barrel 3, and a heat source input end, a heat source output end, a heating input end and a heating output end are arranged on the heat exchanger 4. A heating chamber is arranged between the heating input end and the heating output end, the heat source input end is connected with the heat source output end through a heating pipe, and the heating pipe is positioned in the heating chamber. The heating input end is connected with an external air source, and the heating output end is connected with the combustion air input end on the mixing barrel 3 through a pipeline. The heating output end is connected with a chimney discharge pipe 5 through a connecting pipeline 6.

An incinerator 7 is arranged below the mixing barrel 3, the incinerator 7 is of a hollow structure, an air inlet partition wall 7-1 and an incineration filtering partition wall 7-2 are arranged in the incinerator 7, and the air inlet partition wall 7-1 and the incineration filtering partition wall 7-2 divide the incinerator 7 into an air inlet cavity 7-3, a first combustion chamber 7-4 and a second combustion chamber 7-5. The periphery of the air inlet cavity 7-3 is provided with an air inlet of the incineration chamber, and the periphery of the second combustion chamber 7-5 is provided with an air outlet of the incineration chamber. The air inlet of the incineration chamber is connected with the mixed gas output end of the mixing barrel 3 through a pipeline, and the air outlet of the incineration chamber is connected with the heat source input end of the heat exchanger 4 through a pipeline. The air inlet cavity 7-3 is internally provided with a burner mounting block 7-6, a through hole is formed in the burner mounting block 7-6 and comprises a burner mounting hole, and the burner mounting hole is communicated with the ignition hole. The ignition hole is positioned in the air inlet partition wall 7-1, the burner mounting hole is exposed out of the incinerator 7, and the burner 8 is arranged in the burner mounting hole. The periphery of the pilot hole is provided with a first flow dividing hole 7-7, the first flow dividing hole 7-7 is respectively communicated with the pilot hole and the air inlet cavity 7-3, the air inlet partition wall 7-1 is provided with a second flow dividing hole 7-8, and the second flow dividing hole 7-8 is respectively communicated with the air inlet cavity 7-3 and the first combustion chamber 7-4. The incineration filtering partition wall 7-2 is provided with a filtering through hole 7-9 for communicating the first combustion chamber 7-4 and the second combustion chamber 7-5.

An expansion joint 9 is arranged between the heating output end of the heat exchanger 4 and the connecting pipeline 6, so that the deformation of the pipeline in the temperature change process can be eliminated, and the pipeline is prevented from being broken.

A temperature sensor 10 is installed in the incineration furnace 7 to monitor the incineration temperature in real time.

The working process of the utility model is as follows:

the gas generated in the heat treatment furnace enters the three-way valve 1 through the waste gas inlet, when no harmful substances exist in the gas, the on-off valve 2 is opened, and the high-temperature gas is discharged from the chimney-receiving discharge end 1-2 to the chimney-receiving discharge pipe 5.

When harmful substances in the gas need to be further incinerated and oxidized, the on-off valve 2 is closed. The gas enters the mixing cavity from the waste gas outlet end 1-3 through the waste gas input end of the mixing barrel 3, meanwhile, the air enters the heating chamber from the heating input end of the heat exchanger 4, after being preheated by the heating pipe, the air enters the mixing cavity from the heating output end through the combustion air input end of the mixing barrel 3, and after being mixed, the air enters the air inlet cavity 7-3 from the mixed gas output end of the mixing barrel 3 through the air inlet of the incineration chamber.

And (3) igniting the burner 8, wherein the mixed gas is divided into two paths, one path of gas enters the right burner 8 from the first branch flow hole 7-7 and is ignited after entering the ignition hole, and the other path of gas enters the first combustion chamber 7-4 from the second branch flow hole 7-8 and is combusted together with the ignited mixed gas. The first flow dividing hole 7-7 and the second flow dividing hole 7-8 are arranged, so that the input pressure of mixed gas can be reduced, the combustion condition is better, and the combustion is more sufficient. The burning mixed gas enters the second combustion chamber 7-5 through the filtering through hole 7-9 to be burned continuously, and the burning residues are filtered and kept in the first combustion chamber 7-4. The mixed gas after thorough incineration flows out from the outlet of the incineration chamber, enters the heating pipe through the heat source input end of the heat exchanger 4 and flows out from the heat source output end, and then is discharged through the expansion joint 9, the connecting pipeline 6 and the chimney discharge pipe 5 in sequence.

Claims

1. A waste gas incineration device in a furnace is characterized in that: the device comprises a three-way valve (1), wherein a first end of the three-way valve () 1 is a waste gas inlet end (1-1), a second end of the three-way valve is a chimney connection discharge end (1-2), a third end of the three-way valve is a waste gas outlet end (1-3), a through-stop valve (2) is installed on the chimney connection discharge end (1-2) and then connected with a chimney discharge pipe (5), the waste gas outlet end (1-3) is connected with a mixing barrel (3), the mixing barrel (3) is provided with three ports which are a waste gas input end, a combustion air input end and a mixed gas output end respectively, the waste gas outlet end (1-3) is connected with the waste gas input end of the mixing barrel (3), a heat exchanger (4) is arranged above the mixing barrel (3), and the heat source input end, the heat source output end, the heating output end of the heat exchanger (4) is connected with the combustion air input end of the mixing barrel (3), and the heating output end of the mixing barrel (3) is connected with a chimney discharge pipe (5); an incinerator (7) is arranged below the mixing barrel (3), an air inlet partition wall (7-1) and an incineration filter partition wall (7-2) are arranged in the incinerator (7), the incinerator (7) is divided into an air inlet cavity (7-3), a first combustion chamber (7-4) and a second combustion chamber (7-5) by the air inlet partition wall (7-1) and the incineration filter partition wall (7-2), an incineration chamber air inlet is formed in the periphery of the air inlet cavity (7-3), an incineration chamber air outlet is formed in the periphery of the second combustion chamber (7-5), the incineration chamber air inlet is connected with the mixed gas output end of the mixing barrel (3), the incineration chamber air outlet is connected with the heat source input end of the heat exchanger (4), a burner mounting block (7-6) is arranged in the air inlet cavity (7-3), the burner is characterized in that a burner mounting hole is formed in the burner mounting block (7-6), the burner mounting hole is communicated with an ignition hole, a burner (8) is installed in the burner mounting hole, a first flow dividing hole (7-7) is formed in the periphery of the ignition hole, a second flow dividing hole (7-8) is formed in the air inlet partition wall (7-1), and a filtering through hole (7-9) is formed in the incineration filtering partition wall (7-2).

2. The apparatus for incinerating exhaust gas in a furnace according to claim 1, wherein: the chimney-receiving discharge end (1-2) is positioned above the exhaust gas outlet end (1-3).

3. The apparatus for incinerating exhaust gas in a furnace according to claim 1, wherein: a heating chamber is arranged between the heating input end of the heat exchanger (4) and the heating output end of the heat exchanger (4), the heat source input end of the heat exchanger (4) is connected with the heat source output end of the heat exchanger (4) through a heating pipe, and the heating pipe is positioned in the heating chamber.

4. The apparatus for incinerating exhaust gas in a furnace according to claim 1, wherein: the heating output end of the mixing barrel (3) is connected with the chimney discharge pipe (5) through a connecting pipeline (6).

5. The apparatus for incinerating exhaust gas in a furnace according to claim 4, wherein: an expansion joint (9) is arranged between the heating output end of the heat exchanger (4) and the connecting pipeline (6).

6. The apparatus for incinerating exhaust gas in a furnace according to claim 1, wherein: the first flow dividing holes (7-7) are respectively communicated with the pilot holes and the air inlet cavity (7-3), and the second flow dividing holes (7-8) are respectively communicated with the air inlet cavity (7-3) and the first combustion chamber (7-4).

7. The apparatus for incinerating exhaust gas in a furnace according to claim 1, wherein: a temperature sensor (10) is arranged in the incinerator (7).