CN217119868U

CN217119868U - Industrial tail gas treatment device

Info

Publication number: CN217119868U
Application number: CN202122988707.6U
Authority: CN
Inventors: 陶茂钢; 彭毓; 刘小华; 李足清
Original assignee: Wuhan Brown Environment & Energy Co ltd
Current assignee: Wuhan Brown Environment & Energy Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-08-05
Anticipated expiration: 2031-12-01

Abstract

The utility model provides an industrial tail gas treatment device, which comprises a suction device, a heater, a second temperature sensor, a first smoke intensity detection sensor, a DPF assembly, a first nitrogen-oxygen sensor, a mixer, an SCR catalyst and a second nitrogen-oxygen sensor which are connected in sequence through pipelines; the DPF assembly comprises an upper shell, a filter element and a lower shell, the filter element is inserted into the upper shell and the lower shell in a penetrating manner, the filter element filters industrial tail gas, the mixer is used for mixing collected urea with the heated industrial tail gas, and the industrial tail gas is discharged through the SCR catalyst; the design has the DPF assembly to filter industrial exhaust, discharges out the industrial exhaust who accords with national emission standard, the utility model discloses the device is administered to industrial exhaust of device, and simple structure, convenient operation can effectively reduce industrial exhaust to environmental pollution, and the DPF assembly adopts split type design, makes things convenient for DPF regeneration to wash to reduce the maintenance cost when realizing industrial exhaust environmental protection emission.

Description

Industrial tail gas treatment device

Technical Field

The utility model relates to an industrial tail gas treatment technical field especially relates to an industrial tail gas administers device.

Background

Industrial exhaust gas is industrial waste gas, which is a general name of various pollutant-containing gases discharged into air in the process of fuel combustion and production processes in a factory area of an enterprise, wherein the harmful gases are usually discharged to the outside by using a chimney, the industrial exhaust gas needs to be preliminarily filtered before being discharged, and smoke dust doped in the exhaust gas is filtered (solid particles suspended in the gases formed in the thermal process of condensation of oxidation, sublimation and evaporation are called smoke dust), so that the smoke dust is prevented from being discharged into the atmosphere to cause environmental pollution, and the smoke dust can cause health hazards to workers in the factory area if not treated, and the workers are easy to suffer from pneumoconiosis; meanwhile, the excessive NOx can also cause great damage to the environment, so that the state sets a strict emission standard for the emission of industrial tail gas.

In view of the above, it is necessary to provide a new industrial exhaust gas treatment device to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an industrial tail gas administers device can filter industrial tail gas, discharges out the industrial tail gas that accords with national emission standard.

In order to achieve the above object, the utility model provides an industrial tail gas treatment device, including suction equipment, heater, second temperature sensor, first smoke intensity detection sensor, DPF assembly, first nitrogen oxygen sensor, blender, SCR catalyst converter and the second nitrogen oxygen sensor that loop through the pipe connection; the DPF assembly includes casing, filter core and lower casing, the filter core alternate in go up in casing and the lower casing, the filter core filters industrial exhaust, the blender is used for receiving and adorns the industrial exhaust after urea and the heating and mixes, discharges industrial exhaust through the SCR catalyst converter.

Preferably, the industrial tail gas treatment device comprises a flange, and the flange is connected to the first end of the suction equipment.

Preferably, the industrial tail gas treatment device further comprises a first temperature sensor, and the first temperature sensor is installed in a pipeline between the second end of the suction device and the heater.

Preferably, the industrial exhaust gas treatment device further comprises a flow sensor, and the flow sensor is installed in a pipeline between the DPF assembly and the mixer.

Preferably, the industrial tail gas treatment device further comprises an injector, and the injector is arranged in a pipeline between the flow sensor and the SCR catalyst.

Preferably, the industrial exhaust gas treatment device further comprises a second oxygen sensor, and the second oxygen sensor is installed in a pipeline passing through the SCR catalyst.

Preferably, the industrial tail gas treatment device further comprises a second smoke intensity detection sensor, and the second smoke intensity detection sensor is installed in a pipeline passing through the SCR catalyst.

Compared with the prior art, the utility model provides a pair of device is administered to industry tail gas, beneficial effect lies in: 1) the design has DPF assembly to filter industrial exhaust, discharges to the industrial exhaust who accords with national emission standard.

2) The utility model discloses the device is administered to industrial tail gas of device, simple structure, convenient operation can effectively reduce industrial tail gas to environmental pollution, and the DPF assembly adopts split type design, makes things convenient for DPF regeneration to wash to reduce the maintenance cost when realizing industrial tail gas environmental protection emission.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is the structure schematic diagram of the industrial tail gas treatment device provided by the utility model.

Fig. 2 is a perspective view of a DPF assembly of the industrial exhaust gas treatment device shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the description of the preferred embodiments is intended to be illustrative of the invention and is not intended to limit the invention.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The above terms may have the specific meanings given in the present invention to those skilled in the art according to the specific circumstances.

Furthermore, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. Further, the meaning of "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2, the utility model provides an industrial exhaust gas treatment device, including suction apparatus 1, heater 2, second temperature sensor 202, first smoke detection sensor 203, dpf (diesel Particulate filter) assembly 3, first nitrogen oxygen sensor 401, mixer 5, scr (selective Catalytic reduction) catalyst 6 and second nitrogen oxygen sensor 701 that loop through pipe connection;

DPF assembly 3 includes casing 301, filter core 302 and lower casing 303, filter core 302 alternate in go up casing 301 and casing 303 down, the industrial exhaust in the heater 2 passes through the pipeline through DPF assembly 3's filter core 302 enters into blender 5 in, filter core 302 filters industrial exhaust, blender 5 is used for receiving and adorns urea and the industrial exhaust after the heating and mixes, reduces NOx in the industrial exhaust into nitrogen and water through SCR catalyst converter 6 and discharges. In the present embodiment, the suction device 1 comprises a negative pressure suction fan.

Further, the industrial tail gas treatment device comprises a flange 101, wherein the flange 101 is connected to the first end of the suction device 1, so that the suction device 1 is connected with other pneumatic devices through the flange 101.

Further, the industrial tail gas treatment device further comprises a first temperature sensor 201, and the first temperature sensor 201 is installed in a pipeline between the second end of the suction device 1 and the heater 2.

Further, the industrial exhaust gas treatment device further comprises a flow sensor 4, wherein the flow sensor 4 is installed in the pipeline between the DPF assembly 3 and the mixer 5 so as to detect the flow of the industrial exhaust gas in the pipeline.

Further, the industrial exhaust gas treatment device further comprises an injector 402, the injector 402 is installed in the pipeline between the flow sensor 4 and the SCR catalyst 6, and the injector 402 is used for injecting urea.

Further, the industrial exhaust gas treatment device further comprises a second nitrogen oxide sensor 701, and the second nitrogen oxide sensor 701 is installed in a pipeline passing through the SCR catalyst 6.

Further, the industrial tail gas treatment device further comprises a second smoke intensity detection sensor 702, and the second smoke intensity detection sensor 702 is installed in a pipeline passing through the SCR catalyst 6.

The flange 1011 is connected with a pipeline for discharging tail gas generated by burning industrial fuel, the suction device 1 sucks and pressurizes the industrial tail gas, the industrial tail gas enters the heater 2 after the temperature of the industrial tail gas is detected by the first temperature sensor 201, the heater 2 heats the temperature of the industrial tail gas to the reaction temperature of reducing nitrogen oxide when urea acts on the SCR catalyst 6,

second temperature sensor 202 detects the temperature after, and first smoke detection sensor 203 detects the smoke value in the industry tail gas, filters the particulate matter that PM value exceeds standard in the industry tail gas through DPF assembly 3, and the industry tail gas after 3 filtration of DPF assembly passes through flow sensor 44 and nitrogen oxygen sensor 401, sprayer 402 sprays urea, and industry tail gas and urea homogeneous mixing in blender 5 reduce into nitrogen and water through SCR catalyst converter 6 with NOx in the industry tail gas again, and the pipeline after the SCR catalyst converter 6 is discharged at last, second nitrogen oxygen sensor 701 and second smoke detection sensor 702 discharge the industry tail gas that accords with national emission standard after detecting nitrogen oxygen concentration and smoke value.

The utility model discloses the device is administered to industrial tail gas of device, simple structure, convenient operation can effectively reduce industrial tail gas to environmental pollution, and the DPF assembly adopts split type design, makes things convenient for DPF regeneration to wash to reduce the maintenance cost when realizing industrial tail gas environmental protection emission.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. The industrial tail gas treatment device is characterized by comprising a suction device (1), a heater (2), a second temperature sensor (202), a first smoke intensity detection sensor (203), a DPF assembly (3), a first nitrogen-oxygen sensor (401), a mixer (5), an SCR catalyst (6) and a second nitrogen-oxygen sensor (701) which are sequentially connected through a pipeline; the DPF assembly (3) comprises an upper shell (301), a filter element (302) and a lower shell (303), wherein the filter element (302) is inserted into the upper shell (301) and the lower shell (303) in a penetrating mode, and the filter element (302) filters industrial exhaust gas.

2. An industrial exhaust gas treatment device according to claim 1, characterized in that the industrial exhaust gas treatment device comprises a flange (101), the flange (101) being connected to the first end of the suction means (1).

3. An industrial exhaust gas treatment device according to claim 1, further comprising a first temperature sensor (201), wherein the first temperature sensor (201) is mounted in the conduit between the second end of the suction means (1) and the heater (2).

4. An industrial exhaust gas treatment device according to claim 1, further comprising a flow sensor (4), wherein the flow sensor (4) is installed in the pipe between the DPF assembly (3) and the mixer (5).

5. An industrial exhaust gas treatment device according to claim 4, further comprising an injector (402), wherein the injector (402) is mounted in the conduit between the flow sensor (4) and the SCR catalyst (6).

6. An industrial exhaust gas treatment device according to claim 1, further comprising a second oxygen sensor (701), wherein the second oxygen sensor (701) is installed in the pipeline after passing through the SCR catalyst (6).

7. An industrial exhaust gas treatment device according to claim 1, further comprising a second smoke detection sensor (702), wherein the second smoke detection sensor (702) is installed in the pipeline after passing through the SCR catalyst (6).