CN215996125U

CN215996125U - Waste gas filtering device

Info

Publication number: CN215996125U
Application number: CN202122068409.5U
Authority: CN
Inventors: 洪一鹏; 张海瑛
Original assignee: Zhejiang Zeyu Technology Development Co ltd
Current assignee: Zhejiang Zeyu Technology Development Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a waste gas filtering device, this waste gas filtering device mainly include exhaust hood, draught fan, cyclone, spray column and collecting liquid module, utilize the cyclone preselection to get rid of the particulate matter in the waste gas, get into the free combination through the spray column and cool down waste gas cooling, harmful gas chemistry gets rid of and operations such as gas purification, finally realize the high-efficient high-quality filtration treatment to waste gas.

Description

Waste gas filtering device

Technical Field

The utility model relates to a filter equipment, in particular to exhaust gas filtering device.

Background

Industrial waste gas is generated by a plurality of devices in industrial production, for example, in industries such as coal, chemical industry, textile, printing and dyeing, and in addition, domestic waste gas, for example, oil smoke in catering industry, and the like; the untimely treatment of waste gas not only pollutes the air, still can cause the influence to workman's health, and most waste gas filtration equipment in current market have the structure complicacy, the treatment effect is relatively poor and function shortcoming such as single relatively, can't satisfy actual industrial production demand.

To sum up, in order to deal with the current exhaust-gas treatment of different occasions, an exhaust-gas filtration treatment device with simple structure, large treatment capacity, modular combination and good filtration effect is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste gas filtering device, this waste gas filtering device include exhaust hood, draught fan, cyclone, spray column and liquid collecting module.

The waste gas hood is communicated with the induced draft fan through an induced draft pipe, the induced draft fan is communicated with the cyclone dust collector through a blowing pipe, and the cyclone dust collector is communicated with the spray tower through an air inlet pipe.

The cyclone dust collector comprises a cylindrical upper part, a conical lower part, a dust collecting bag connected with a lower port of the conical lower part, and a ceramic filter screen positioned on the cylindrical upper part and close to the upper port; the liquid collection module comprises a cooling liquid unit and a spraying liquid unit.

The spray tower is wholly cuboid, and further the spray tower from down supreme including in proper order with bottom, cooling module, the module that sprays, purification module and top of air-supply line intercommunication.

The cooling module comprises a flow equalizing and cooling grid plate positioned in the middle and a plurality of cooling liquid spray heads positioned at the top, and the cooling liquid spray heads are communicated with the cooling liquid unit through first hoses; the bottom of the air inlet pipe is communicated with the cooling liquid unit through a tee module; and a plurality of air outlets are formed in the cooling module and close to the upper end part of the cooling module, and the air outlets are communicated with the middle part of the spraying module through connecting air pipes.

The spraying module comprises a plurality of spraying liquid nozzles positioned at the top, and the bottoms of the spraying liquid nozzles and the spraying module are respectively communicated with the spraying liquid unit through a second hose and a third hose.

Preferably, the density of the flow equalization cooling grid plate from the center to the periphery is from high to low.

Preferably, the bottom, the cooling module, the spraying module, the purifying module and the top are all movably connected.

Preferably, the cooling module, the spraying module and the purifying module are provided with pull handles on two sides.

Preferably, the bottom of the spraying module is upward conical.

Preferably, an activated carbon material is added inside the purification module.

Preferably, the opening of the exhaust hood is fan-shaped and made of high temperature resistant material.

Preferably, a solid partition plate is arranged between the cooling module and the spraying module, and a porous partition plate is arranged between the spraying module and the purifying module.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, as claimed.

Drawings

Further objects, functions and advantages of the present invention will become apparent from the following description of embodiments of the present invention, with reference to the accompanying drawings, in which:

fig. 1 is a schematic view showing an overall structure of an exhaust gas filtering device according to the present invention;

fig. 2 schematically shows a top view structure diagram of the flow equalizing and cooling grid plate of the present invention;

fig. 3 schematically shows the front view structure diagram of the flow equalization cooling grid plate of the present invention.

Detailed Description

The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

Fig. 1 schematically shows the utility model relates to an exhaust gas filtering device, this exhaust gas filtering device mainly includes exhaust gas hood 1, draught fan 2, cyclone 3, spray column 4 and liquid collection module 5. The opening of the waste gas hood 1 is fan-shaped and made of high-temperature resistant materials, the waste gas hood 1 is communicated with the induced draft fan 2 through an induced draft pipe 21, the induced draft fan 2 is communicated with the cyclone dust collector 3 through a blowing pipe 31, and the cyclone dust collector 3 is communicated with the spray tower 4 through an air inlet pipe 41, so that the whole process of waste gas filtration is formed.

As shown in fig. 1, the cyclone dust collector 3 includes a cylindrical upper portion 32, a conical lower portion 33 and a dust collecting bag 35 connected to a lower port 34 of the conical lower portion 33, the blowing pipe 31 sends the exhaust gas to the cylindrical upper portion 3 at a tangential angle, the particulate matters in the exhaust gas are separated under the action of the swirling flow, and the particulate matters enter the dust collecting bag 35 through the lower port 34, and the cyclone dust collector 3 has the advantages of simple structure, large handling capacity, high stability and the like, and is particularly suitable for handling the particulate matters, dust and the like in the industrial exhaust gas. In addition, the ceramic filter screen 37 is located on the cylindrical upper portion 32 and close to the upper port 36, and the ceramic filter screen 37 has characteristics of being porous and resistant to high temperature, and is used for blocking upward movement of particulate matters, so that accuracy of filtering particulate matters in the exhaust gas is further improved.

The spray tower 4 is a vertical cuboid, the spray tower 4 sequentially comprises a bottom 42 communicated with the air inlet pipe 41, a cooling module 43, a spray module 44, a purification module 45 and a top 46 from bottom to top, and the liquid collection module 5 positioned below the spray tower 4 comprises a cooling liquid unit 51 and a spray liquid unit 52, and is used for containing cooling liquid and spray liquid and providing pumping power.

The cooling module 43 includes a flow equalization cooling grid plate 431 in the middle and a plurality of coolant spray heads 432 at the top. The cooling liquid spray head 432 is communicated with the cooling liquid unit 51 through a first hose 434, and the cooling liquid unit 51 pumps cold liquid to the cooling liquid spray head 432 and sprays the cold liquid to the flow equalizing and cooling grid plate 431 to realize a quick cooling effect. The bottom of the air inlet pipe 41 is communicated with the cooling liquid unit 51 through the three-way module 433, so that the cooling liquid can be timely recovered. A plurality of air outlets 435 are arranged at the upper end part of the further cooling module 43, and the air outlets 435 are communicated with the middle part of the spraying module 44 through connecting air pipes 436, so that the cooled air enters the spraying module 44 from the connecting air pipes 436 at the outer side for the next spraying treatment.

The spray module 44 is mainly used for removing harmful gases in the exhaust gas by a chemical method, and includes a plurality of spray liquid nozzles 441 located at the top, and the spray liquid nozzles 441 and the bottom of the spray module 44 are respectively communicated with the spray liquid unit 52 through a second hose 442 and a third hose 443, wherein the second hose 442 is a pipeline for sending liquid to the spray liquid nozzles 441, and the third hose 443 is a liquid return pipe. Preferably, the bottom of the spray module 44 is tapered upward to facilitate collection and recovery of the spray in a timely manner.

As shown in fig. 2 and fig. 3, specifically, the density of the flow equalizing and cooling grid plate 431 from the center to the periphery is from high to low, that is, the closer to the center, the closer to the periphery, the lower and the shorter, the flow equalizing and cooling grid plate 431 is formed into a square arrangement with four blocks, and the center is arranged into a plurality of squares. The characteristic that the flow equalizing and cooling grid plate 431 is compact and long in the center can effectively guide and disperse the rapid exhaust gas flow in the center to the periphery, and finally the uniform distribution of the gas flow is realized.

The bottom 42, the cooling module 43, the spraying module 44, the purifying module 45 and the top 46 are movably connected; wherein the both sides of cooling module 43, spraying module 44 and purification module 45 all are provided with pull handle 47, can easily dismantle corresponding the module through pull handle 47 to the realization is removed to increase or reduce processing module according to different use scenes, and the final realization is used in a flexible way, has wider application scope. A solid partition plate 48 is arranged between the cooling module 43 and the spraying module 44, a porous partition plate 49 is arranged between the spraying module 44 and the purifying module 45, and a plurality of modules can independently exist.

In addition, activated carbon materials are added in the purification module 45, so that harmful gases and peculiar smell can be further purified.

The utility model relates to a waste gas filtering device utilizes whirlwind to remove dust and modular mechanism that sprays to have realized having had a great deal of outstanding advantages such as simple structure, the flexible structure, handling capacity is big, modularization combination and purifying effect are good to the high-efficient nimble processing of industrial waste gas.

The figures are merely schematic and not drawn to scale. While the invention has been described in connection with preferred embodiments, it should be understood that the scope of the invention is not limited to the embodiments described herein.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. A waste gas filtering device comprises a waste gas hood, a draught fan, a cyclone dust collector, a spray tower and a liquid collecting module; wherein the content of the first and second substances,

the waste gas hood is communicated with the induced draft fan through an induced draft pipe, the induced draft fan is communicated with the cyclone dust collector through a blowing pipe, and the cyclone dust collector is communicated with the spray tower through an air inlet pipe;

the cyclone dust collector comprises a cylindrical upper part, a conical lower part, a dust collecting bag connected with a lower port of the conical lower part, and a ceramic filter screen positioned on the cylindrical upper part and close to the upper port; the liquid collecting module comprises a cooling liquid unit and a spraying liquid unit;

the spray tower is integrally in a cuboid shape, and further comprises a bottom, a cooling module, a spray module, a purification module and a top which are communicated with the air inlet pipe from bottom to top in sequence;

the cooling module comprises a flow equalizing and cooling grid plate positioned in the middle and a plurality of cooling liquid spray heads positioned at the top, and the cooling liquid spray heads are communicated with the cooling liquid unit through first hoses; the bottom of the air inlet pipe is communicated with the cooling liquid unit through a tee module; a plurality of air outlets are further formed in the cooling module close to the upper end part and communicated with the middle part of the spraying module through connecting air pipes;

2. The exhaust gas filtering device according to claim 1, wherein: the density of the flow equalizing and cooling grid plate is set from high to low from the center to the periphery.

3. The exhaust gas filtering device according to claim 2, wherein: the bottom, the cooling module, the spraying module, the purifying module and the top are all movably connected.

4. The exhaust gas filtering device according to claim 3, wherein: the cooling module spray the module with the both sides of purification module all are provided with the pull handle.

5. The exhaust gas filtering device according to claim 4, wherein: the bottom of the spraying module is upward conical.

6. The exhaust gas filtering device according to claim 5, wherein: the purification module is internally added with an activated carbon material.

7. The exhaust gas filtering device according to claim 6, wherein: the opening of the waste gas hood is fan-shaped and made of high-temperature resistant materials.

8. The exhaust gas filtering device according to claim 7, wherein: and a solid partition plate is arranged between the cooling module and the spraying module, and a porous partition plate is arranged between the spraying module and the purifying module.