CN212068083U

CN212068083U - Industrial furnace kiln discharge system

Info

Publication number: CN212068083U
Application number: CN202020154538.9U
Authority: CN
Inventors: 李国朋
Original assignee: Individual
Current assignee: Daye Huangjinhu New Wall Material Co ltd
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-12-04
Anticipated expiration: 2030-02-06

Abstract

The utility model discloses an industrial furnace kiln discharge system, including granule filter chamber and gaseous decomposition room, granule filter chamber outlet duct links to each other with gaseous decomposition room intake pipe, and gaseous decomposition room outlet duct is equipped with current limiting device, and current limiting device includes the current-limiting chamber, and current-limiting chamber one side and gaseous decomposition room gas outlet intercommunication, one side lateral wall fixedly connected with slide bar that gaseous decomposition room was kept away from to the current-limiting chamber, slide bar other end fixedly connected with stopper, slide bar sliding connection have the restriction piece. The utility model can control the speed of the waste gas discharged from the gas decomposition chamber by arranging the flow limiting chamber, thereby ensuring that the waste gas can stay in the gas decomposition chamber for a long enough time and can be fully decomposed; meanwhile, the heat exchange chamber is arranged to enable high-temperature waste gas to exchange heat with air, and the air heated after heat exchange enters the furnace cellar to participate in the reaction with the furnace cellar, so that the energy utilization rate is improved.

Description

Industrial furnace kiln discharge system

Technical Field

The utility model relates to an environmental protection technical field especially relates to an industrial furnace kiln discharge system.

Background

The industrial furnace pit refers to a thermal device for melting, gasifying and the like materials or workpieces by using heat generated by fuel combustion or conversion of electric energy and the like in industrial production, and comprises a melting furnace, a heating furnace, a coke oven and the like.

Compare in power plant boiler and industrial boiler, the obvious lag of industrial furnace cellar for storing things pollution control, important influence is produced to air quality, industrial furnace cellar for storing things discharges and mainly can produce a large amount of PM2.5 and nitrogen sulfur compound, often handle inadequately in especially to nitrogen sulfur compound's the processing, and often need heat waste gas so that reach catalytic decomposition's temperature when handling nitrogen sulfur compound, the heat that the waste gas carried after the intensification decomposes can't obtain utilizing and causes the energy extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of insufficient treatment of the exhaust gas and energy waste when the industrial furnace pit discharges in the prior art, and providing an industrial furnace kiln discharge system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an industrial furnace kiln discharge system, includes granule filter chamber and gaseous decomposition chamber, granule filter chamber outlet duct links to each other with gaseous decomposition chamber intake pipe, gaseous decomposition chamber outlet duct is equipped with current limiting device, current limiting device includes the current-limiting chamber, current-limiting chamber one side and gaseous decomposition chamber gas outlet intercommunication, one side lateral wall fixedly connected with slide bar of gaseous decomposition chamber is kept away from to the current-limiting chamber, slide bar other end fixedly connected with stopper, slide bar sliding connection has the current limiting piece, current-limiting chamber top is equipped with the gas outlet and communicates there is the heat exchange chamber, heat exchange chamber waste gas outlet duct intercommunication has the spray purification tower.

Preferably, the flow limiting chamber is arranged in a round table shape, and the diameter of the cross section of one end, far away from the gas decomposition chamber, of the flow limiting chamber is smaller than that of one end, close to the gas decomposition chamber, of the flow limiting chamber.

Preferably, the flow limiting block is a light ring, one side of the flow limiting block, which is far away from the gas decomposition chamber, is fixedly connected with a spring, the spring is axially sleeved on the sliding rod, and the other end of the spring is fixedly connected with the side wall of the flow limiting chamber, which is far away from the gas decomposition chamber.

Preferably, a completely separated exhaust gas chamber and an air chamber are arranged in the heat exchange chamber, and a separation plate is arranged between the exhaust gas chamber and the air chamber and is completely separated by the separation plate.

Preferably, the partition plate is made of a material with good heat conductivity and heat resistance, the partition plate is arranged in an S shape, and a large number of irregular protrusions are arranged on the partition plate.

Preferably, the waste gas chamber air inlet is communicated with the flow limiting chamber, the waste gas chamber exhaust port is communicated with the spray purification tower, the air chamber air inlet is positioned above and is blown in air by a blower, and the air chamber air outlet is positioned below and is communicated with the industrial kiln.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model can control the speed of the waste gas discharged from the gas decomposition chamber by arranging the flow limiting chamber, thereby ensuring that the speed of the waste gas flowing through the gas decomposition chamber is not too fast and ensuring that the waste gas can stay in the gas decomposition chamber for a long enough time, and the waste gas can be fully decomposed;

2. the utility model discloses a set up the heat exchange chamber and can make high temperature waste gas and air carry out the heat exchange, the air that heaies up after the heat exchange reenters the stove cellar for storing things and participates in with the stove cellar for storing things reaction to the energy that utilizes high temperature waste gas to carry that can be reasonable.

Drawings

FIG. 1 is a schematic view of the overall structure of an industrial kiln exhaust system according to the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: 1 particle filter chamber, 2 gas decomposition chamber, 3 flow-limiting chamber, 4 sliding rod, 5 flow-limiting block, 6 heat exchange chamber, 7 spray purification tower, 8 spring, 9 waste gas chamber, 10 air chamber, 11 division board, 12 limitation block.

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.

Referring to fig. 1-2, an industrial furnace kiln exhaust system comprises a particle filter chamber 1 and a gas decomposition chamber 2, a high temperature resistant HEPA filter plate is arranged in the particle filter chamber 1 to effectively filter solid particles, a heating rod and a honeycomb catalyst are arranged in the gas decomposition chamber 2, exhaust gas can reach a catalyzed temperature through the heating rod, an outlet pipe of the particle filter chamber 1 is connected with an inlet pipe of the gas decomposition chamber 2, an outlet pipe of the gas decomposition chamber 2 is provided with a flow limiting device, the flow limiting device comprises a flow limiting chamber 3, one side of the flow limiting chamber 3 is communicated with an outlet of the gas decomposition chamber 2, a side wall of the flow limiting chamber 3 far away from the gas decomposition chamber 2 is fixedly connected with a sliding rod 4, the other end of the sliding rod 4 is fixedly connected with a limiting block 12, the sliding rod 4 is slidably connected with a flow limiting block 5, an outlet is arranged above the flow limiting chamber 3 and communicated with a, alkali liquor can be sprayed out from the spraying purification tower 7 to prevent residual acid substances in the waste gas from being discharged into the air, and the acid substances are discharged into the air after being demisted by a demister in the spraying purification tower 7.

It is worth mentioning that the flow limiting chamber 3 is arranged in a truncated cone shape, and the cross-sectional diameter of the end of the flow limiting chamber 3 far away from the gas decomposition chamber 2 is smaller than that of the end close to the gas decomposition chamber 2.

It is worth mentioning that, the current-limiting block 5 is the setting of light ring shape to can ensure that current-limiting block 5 can be blown by waste gas, one side fixedly connected with spring 8 of gas decomposition room 2 is kept away from to current-limiting

block

5, 8 axial sleeves of spring are established on slide bar 4, and the spring 8 other end and current-limiting room 3 keep away from one side lateral wall fixed connection of gas decomposition room 2, spring 8 is high temperature resistant material and only can guarantee that current-limiting block 5 possesses certain resilience for the less thrust of current-limiting block 5.

Specifically, a completely separated waste gas chamber 9 and an air chamber 10 are arranged in the heat exchange chamber 6, a partition plate 11 is arranged between the waste gas chamber 9 and the air chamber 10 and is completely separated by the partition plate 11, waste gas passes through the waste gas chamber 9 and is discharged into the spray purification tower 7, and air passes through the air chamber 10 and is discharged into the kiln furnace to participate in reaction.

It is worth mentioning that the partition plate 11 is made of a material with good thermal conductivity and heat resistance, the partition plate 11 is arranged in an "S" shape, and a large number of irregular protrusions are arranged on the partition plate 11, so that the contact area between the exhaust gas and the air and the partition plate 11 can be increased, and the heat exchange efficiency of the exhaust gas and the air through the partition plate 11 can be improved.

It should be noted that the air inlet of the waste gas chamber 9 is communicated with the flow-limiting chamber 3, the air outlet of the waste gas chamber 9 is communicated with the spray purification tower 7, the air inlet of the air chamber 10 is positioned above and blown by the blower into the air, and the air outlet of the air chamber 10 is positioned below and communicated with the industrial kiln furnace.

The working principle is as follows:

the utility model discloses during the use, at first waste gas is from entering into particle filter chamber 1, solid particle and the great granule of other granularities in the waste gas will be filtered by particle filter chamber 1, waste gas after the filtration will enter into gas decomposition room 2, heated and through the cellular catalyst catalytic decomposition in gas decomposition room 2, waste gas after the decomposition will enter into flow limiting chamber 3 among the current limiting device, because the design of flow limiting block 5 and flow limiting chamber 3 self round platform shape in flow limiting chamber 3, the flow speed when waste gas is faster, waste gas will remove flow limiting block 5 along slide bar 4 towards the direction of keeping away from gas decomposition room 2.

The gap between the flow limiting block 5 and the flow limiting chamber 3 is smaller after the flow limiting block 5 moves towards the gas decomposition chamber 2, so that the flow limiting effect is achieved, the waste gas has enough reaction time in the gas decomposition chamber 2, toxic gas in the waste gas is decomposed more thoroughly, the gas after flow limiting enters the waste gas chamber 9 in the heat exchange chamber 6, and the waste gas chamber 9 continuously exchanges heat with air in the air chamber 10 through the partition plate 11, so that heat in the waste gas is transferred to the air which can participate in the kiln reaction, energy recycling is achieved, the waste gas after heat exchange is directly discharged into the air after being sprayed and demisted in the spray purification tower 7, and the specific demisting spray mode is a technology disclosed in the field and is not repeatedly described here.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An industrial furnace exhaust system comprises a particle filter chamber (1) and a gas decomposition chamber (2), it is characterized in that the air outlet pipe of the particle filtering chamber (1) is connected with the air inlet pipe of the gas decomposition chamber (2), the gas outlet pipe of the gas decomposition chamber (2) is provided with a flow limiting device, the flow limiting device comprises a flow limiting chamber (3), one side of the flow limiting chamber (3) is communicated with the gas outlet of the gas decomposition chamber (2), the side wall of the flow limiting chamber (3) far away from the gas decomposition chamber (2) is fixedly connected with a sliding rod (4), the other end of the sliding rod (4) is fixedly connected with a limiting block (12), the sliding rod (4) is connected with a flow limiting block (5) in a sliding way, an air outlet is arranged above the flow limiting chamber (3) and communicated with a heat exchange chamber (6), and the waste gas outlet pipe of the heat exchange chamber (6) is communicated with a spray purification tower (7).

2. An industrial furnace exhaust system according to claim 1, characterized in that the flow-restricting chamber (3) is of a truncated cone shape, the cross-sectional diameter of the end of the flow-restricting chamber (3) remote from the gas decomposition chamber (2) being smaller than the cross-sectional diameter of the end of the flow-restricting chamber close to the gas decomposition chamber (2).

3. The exhaust system of the industrial furnace according to claim 1, wherein the flow limiting block (5) is a light annular ring, a spring (8) is fixedly connected to one side of the flow limiting block (5) far away from the gas decomposition chamber (2), the spring (8) is axially sleeved on the sliding rod (4), and the other end of the spring (8) is fixedly connected with the side wall of one side of the flow limiting chamber (3) far away from the gas decomposition chamber (2).

4. An industrial furnace exhaust system according to claim 1, characterized in that the heat exchange chamber (6) is provided with a completely separated flue gas chamber (9) and air chamber (10), and that a partition plate (11) is provided between the flue gas chamber (9) and the air chamber (10) and completely separated by the partition plate (11).

5. The exhaust system of an industrial furnace according to claim 4, wherein the partition plate (11) is made of a material with good thermal conductivity and heat resistance, the partition plate (11) is S-shaped, and a large number of irregular protrusions are arranged on the partition plate (11).

6. An industrial furnace exhaust system according to claim 4, wherein the waste gas chamber (9) inlet communicates with the flow-restricting chamber (3), the waste gas chamber (9) outlet communicates with the spray cleaning tower (7), the air chamber (10) inlet is located above and is blown by a blower, and the air chamber (10) outlet is located below and communicates with the industrial furnace.