CN217402575U

CN217402575U - Industrial waste gas treatment device

Info

Publication number: CN217402575U
Application number: CN202220416775.7U
Authority: CN
Inventors: 朱文虎; 朱兴华
Original assignee: Changzhou Jiaruite Environmental Protection Energy Technology Co ltd
Current assignee: Changzhou Jiaruite Environmental Protection Energy Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-09
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to an industrial waste gas treatment device, which comprises a furnace body, wherein the furnace body is communicated with a chimney through a waste gas outlet pipe, and the chimney is communicated with a circulating assembly; a first burner is fixed in the middle of a top plate of the furnace body, a partition plate is fixed in the middle of the inner side wall of the furnace body, and a second burner and an air inlet pipe are fixed at the bottom of the furnace body; a heat exchange tube group is arranged between the end part of the partition board close to the waste gas outlet pipe and the top plate of the furnace body, and catalyst plates are respectively arranged between the end part far away from the waste gas outlet pipe and the top plate and the bottom plate of the furnace body; the utility model has the advantages that the two-stage combustor, the catalyst plate and the burning path of the waste gas in the furnace body are arranged in the furnace body, so that the waste gas is fully burned in the furnace; and then the impurities in the waste gas are fully treated by combining the two-stage filter, the filter layer and the circulating component, so that the treated waste gas meets the discharge requirement specified by the state.

Description

Industrial waste gas treatment device

Technical Field

The utility model relates to a waste gas treatment technical field, in particular to industrial waste gas treatment device.

Background

Industrial organic waste gas pollution mainly refers to volatile gas mainly containing organic compounds, which is one of the main pollutants of air pollution. For the treatment of organic waste gas pollution, the problem that the damage of human industry production to the nature is reduced becomes the problem which needs to be solved urgently by human, and the existing treatment method mainly adopts heat accumulating type incineration and catalytic incineration.

At present, heat accumulating type incineration is widely applied, but equipment used by the heat accumulating type incineration is complex in structure and expensive in manufacturing cost, and the incineration time of waste gas in a furnace is short; whereas the catalyst used in catalytic incineration is selective for the treated exhaust gas components, resulting in the partial components of the exhaust gas not reacting with the catalyst. To sum up, most of the exhaust treatment devices are insufficient in the treatment of the exhaust gas, so that the treated exhaust gas does not meet the national emission standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect and not enough that prior art exists, providing an exhaust-gas treatment fully and accord with national exhaust-gas emission standard, energy-concerving and environment-protective industrial waste gas treatment device.

Realize the utility model discloses the technical scheme of purpose is: an industrial waste gas treatment device comprises a furnace body, wherein the furnace body is communicated with a chimney through a waste gas outlet pipe, and the chimney is communicated with a circulating assembly; a first burner is fixed in the middle of a top plate of the furnace body, a partition plate is fixed in the middle of the inner side wall of the furnace body, and a second burner and an air inlet pipe are fixed at the bottom of the furnace body; and a heat exchange tube group is arranged between the end part of the partition board close to the waste gas outlet pipe and the top plate of the furnace body, and catalyst plates are respectively arranged between the end part far away from the waste gas outlet pipe and the top plate and the bottom plate of the furnace body.

Furthermore, the heat exchange tubes in the heat exchange tube group are arranged in a staggered mode, and a gap is formed between every two adjacent heat exchange tubes.

Further, a waste gas inlet pipe is installed on a top plate of the furnace body and communicated with the heat exchange pipe group, and a first filter is installed on a pipeline of the waste gas inlet pipe.

Further, the circulation assembly comprises a second filter, a sedimentation tank, a water pump and a water spray pipe, the second filter, the sedimentation tank, the water pump and the water spray pipe are communicated through connecting pipes in sequence, and a spray head is installed at one end of the water spray pipe.

Furthermore, a filter layer is arranged at the top of the chimney and is positioned above the water spraying pipe.

Further, the catalyst plate is obliquely arranged and provided with honeycomb holes.

Furthermore, the waste gas outlet pipe is obliquely arranged, and a heat exchanger is installed on a pipeline of the waste gas outlet pipe.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses a set up two-stage combustor, catalyst board and extension waste gas in the burning route of furnace body in the inside of furnace body for waste gas burns fully in the stove, thereby has improved the treatment effect to waste gas.

(2) The utility model discloses combine two-stage filter, filter layer and circulation subassembly, handle the impurity in the waste gas fully for waste gas after the processing accords with the emission standard of national regulation.

(3) The utility model discloses an installation heat exchange tube group and heat exchanger carry out heat utilization and recovery to the waste gas after burning, recycle the subassembly, accord with energy-concerving and environment-protective trend.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

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

FIG. 2 is an attached view of the heat exchange tube set of the present invention;

FIG. 3 is a schematic view of a catalyst plate according to the present invention;

fig. 4 is a schematic view of the circulation assembly of the present invention.

In the figure: the device comprises a furnace body 1, a waste gas outlet pipe 2, a chimney 3, a circulation assembly 4, an air inlet pipe 6, a waste gas inlet pipe 7, a partition plate 11, a heat exchange pipe group 12, a catalyst plate 13, a heat exchanger 21, a filter layer 31, a second filter 41, a sedimentation tank 42, a water pump 43, a water spray pipe 44, a connecting pipe 45, a spray nozzle 46, a first combustor 5a, a second combustor 5b, a heat exchange pipe 121, a gap 122 and a honeycomb hole 131.

Detailed Description

As shown in figures 1-4, an industrial waste gas treatment device comprises a furnace body 1, a first burner 5a is fixed in the middle of the top plate of the furnace body 1, a partition 11 is fixed in the middle of the inner side wall of the furnace body 1, the partition 11 is arranged to prolong the burning path of waste gas in the furnace body 1, thereby improving the treatment effect of waste gas, a second burner 5b and an air inlet pipe 6 are fixed at the lower part of the left side wall of the furnace body 1, air enters the furnace body 1 through the air inlet pipe 6 to support combustion of the second burner 5b, a waste gas outlet pipe 2 is arranged at the upper part of the left side wall of the furnace body 1, the waste gas outlet pipe 2 inclines towards the upper left side, so that waste gas can conveniently enter a chimney 3, the furnace body 1 is communicated with the chimney 3 through the waste gas outlet pipe 2, a heat exchanger 21 is arranged on the pipeline of the waste gas outlet pipe 2, the heat exchanger 21 recovers heat of waste gas discharged from the furnace body 1, a heat exchange tube group 12 is arranged between the end part of the partition plate 11 close to the waste gas outlet pipe 2 and the top plate of the furnace body 1, a catalyst plate 13 is arranged between the end part far away from the waste gas outlet pipe 2 and the top plate and the bottom plate of the furnace body 1 respectively, the catalyst plate 13 is arranged obliquely to increase the contact area of the waste gas and the catalyst plate 13, the catalyst plate 13 is provided with honeycomb holes 131, the inner side walls of the honeycomb holes 131 are coated with a catalyst, the waste gas can generate catalytic oxidation reaction with the catalyst when flowing in the honeycomb holes 131, the heat exchange tubes 121 in the heat exchange tube group 12 are arranged in a staggered way to increase the contact time of the waste gas and the heat exchange tubes 121, thereby improving the absorption of the heat exchange tubes 121 to the heat of the waste gas, gaps 122 are arranged between the adjacent heat exchange tubes 121, the incinerated waste gas flows to the waste gas outlet pipe 2 from the gaps 122, and the heat is conducted to the heat exchange tubes 121 when the waste gas flows in the gaps 122, thereby heating the waste gas in the heat exchange pipe 121, one end of the heat exchange pipe 121 is fixed on the partition plate 11, the other end is fixed on the top plate of the furnace body 1, the top plate of the furnace body 1 is provided with a waste gas inlet pipe 7, the waste gas inlet pipe 7 is communicated with the heat exchange pipe group 12, the pipeline of the waste gas inlet pipe 7 is provided with a first filter 71, the first filter 71 filters the waste gas in the waste gas inlet pipe 7 to remove coarse particles or impurities in the waste gas and avoid the blockage of the heat exchange pipe 121, the circulation component 4 comprises a second filter 41, a sedimentation tank 42, a water pump 43 and a water spray pipe 44, the second filter 41, the sedimentation tank 42, the water pump 43 and the water spray pipe 44 are communicated in sequence through a connecting pipe 45, the second filter 41 is communicated with the bottom of the chimney 3 through the connecting pipe 45, the end part of the water spray pipe 44 far away from the connecting pipe 45 is arranged on the top of the chimney 3 and extends out to the inside of the chimney 3, and the end is equipped with the atomizer 46, the atomizer 46 sprays the waste gas in the chimney 3, the liquid sprayed is purified by the second filter 41, sedimentation tank 42, then circulate and utilize with the water pump 43, the top of the chimney 3 is equipped with the filter layer 31, the filter layer 31 locates above the water spray 44.

In actual work, firstly, the first combustor 5a and the second combustor 5b are started, then air enters the furnace body 1 from the air inlet pipe 6, waste gas flows to the heat exchange pipe 121 from the waste gas inlet pipe 7, then flows to the lower part of the partition plate 11 from the heat exchange pipe 121, the first combustor 5a burns the waste gas, the burnt waste gas flows to the upper part of the partition plate 11 through the honeycomb holes 131 on the catalyst plate 13, the second combustor 5b burns the waste gas again, the waste gas after re-burning flows to the waste gas outlet pipe 2 through the gaps 122 between the heat exchange pipes 121, and enters the chimney 3 from the waste gas outlet pipe 2; the water pump 43 is started, the atomizing nozzle 46 sprays the waste gas in the chimney 3, impurities in the waste gas are filtered again, the temperature of the waste gas is reduced, and the influence of high temperature on the chimney 3, the water spray pipe 44 and the atomizing nozzle 46 is reduced; the sprayed exhaust gas rises to the filter layer 31, and the filter layer 31 further filters impurities insoluble in liquid in the exhaust gas, and finally is discharged from the chimney 3.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an industrial waste gas treatment device, includes furnace body (1), furnace body (1) is through exhaust outlet pipe (2) and chimney (3) intercommunication, its characterized in that: the chimney (3) is communicated with the circulating assembly (4); a first burner (5a) is fixed in the middle of a top plate of the furnace body (1), a partition plate (11) is fixed in the middle of the inner side wall of the furnace body (1), and a second burner (5b) and an air inlet pipe (6) are fixed at the bottom of the furnace body; a heat exchange tube group (12) is arranged between the end part of the partition plate (11) close to the waste gas outlet pipe (2) and the top plate of the furnace body (1), and catalyst plates (13) are respectively arranged between the end part far away from the waste gas outlet pipe (2) and the top plate and the bottom plate of the furnace body (1).

2. The industrial waste gas treatment device according to claim 1, characterized in that: the heat exchange tubes (121) in the heat exchange tube group (12) are arranged in a staggered mode, and gaps (122) are formed between the adjacent heat exchange tubes (121).

3. The industrial waste gas treatment device according to claim 1, characterized in that: the waste gas intake pipe (7) is installed to the roof of furnace body (1), waste gas intake pipe (7) and heat exchange tube group (12) intercommunication, install first filter (71) on the pipeline of waste gas intake pipe (7).

4. The industrial waste gas treatment device according to claim 1, characterized in that: the circulating assembly (4) comprises a second filter (41), a sedimentation tank (42), a water pump (43) and a water spray pipe (44), the second filter (41), the sedimentation tank (42), the water pump (43) and the water spray pipe (44) are communicated through a connecting pipe (45) in sequence, and a spray head (46) is installed at one end of the water spray pipe (44).

5. The industrial waste gas treatment device according to claim 1, characterized in that: and a filter layer (31) is arranged at the top of the chimney (3), and the filter layer (31) is positioned above the water spraying pipe (44).

6. The industrial waste gas treatment device according to claim 1, characterized in that: the catalyst plate (13) is obliquely arranged, and the catalyst plate (13) is provided with honeycomb holes (131).

7. The industrial waste gas treatment device according to claim 1, characterized in that: the waste gas outlet pipe (2) is obliquely arranged, and a heat exchanger (21) is arranged on a pipeline of the waste gas outlet pipe (2).