CN218130742U - Flue gas denitrification pre-dust removal device - Google Patents

Abstract

The utility model relates to the technical field of flue gas denitration, in particular to a flue gas denitrification pre-dust removal device, comprising a base, a telescopic motor and a bracket are fixedly installed on the top of the base, and the tops of the telescopic motor and the bracket are respectively connected with a first connecting plate And the second connecting plate, the lower still body is fixedly installed in the first connecting plate, and the upper still body is fixedly installed in the second connecting plate, the bottom of the lower still body is connected with a filter screen, and a drain valve is placed in the lower still body, An air intake pipe is connected to the outside of the upper kettle body, and a connecting pipe is fixedly installed on the top of the upper kettle body. There is an air pump and a screen. The utility model can remove dust from flue gas, is convenient to clean, and has strong practicability.

Description

Flue gas denitrification pre-dust removal device

technical field

The utility model relates to the technical field of flue gas denitrification, in particular to a flue gas denitrification pre-dust removal device.

Background technique

Flue gas refers to the general term for all kinds of pollutant gases that are discharged into the air during fuel combustion and production processes in factories such as enterprises. With the development of industry, more and more flue gas is emitted. These flue gases not only cause harm to human health and plants, but also have a huge impact on the atmosphere. At present, in order to purify these flue gases, a lot of purification equipment is used. In the past, the flue gas was directly passed into the denitrification reactor. Because the flue gas contains a large amount of soot, it is easy for the denitrification reactor to cause denitrification due to a large amount of soot. less effective. Therefore, it is necessary to design a flue gas denitrification pre-dust removal device to solve this problem.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a flue gas denitrification pre-dust removal device.

In order to achieve the above object, the utility model adopts the following technical solutions:

The flue gas denitrification pre-dust removal device includes a base, a telescopic motor and a bracket are fixedly installed on the top of the base, and the tops of the telescopic motor and the bracket are respectively connected with a first connecting plate and a second connecting plate, and the first connecting plate is fixed inside A lower kettle body is installed, and an upper kettle body is fixedly installed in the second connection plate, a filter screen is connected to the bottom of the lower kettle body, a drain valve is placed in the lower kettle body, an air inlet pipe is connected to the outside of the upper kettle body, and the upper kettle body A connecting pipe is fixedly installed on the top of the body, and the air inlet pipe is connected with an air guide pipe through the upper kettle body, and a flow pipe is connected at the bottom of the connecting pipe, and an air pump and a screen are fixedly installed in the flow pipe.

Preferably, the top of the base is provided with a groove adapted to the lower kettle body and the filter screen, so as to facilitate the lower kettle body and the filter screen and avoid collisions.

Preferably, a positioning frame is fixedly installed on the top of the lower kettle body, and a positioning groove adapted to the positioning frame is provided at the bottom of the upper kettle body, which not only plays a positioning role, but also enhances the sealing performance.

Preferably, there are several inlet pipes, and they are distributed in an annular array on the outside of the upper kettle body, so as to be able to remove dust from a large amount of flue gas.

Preferably, the connecting pipe adopts a T-shaped structure design, and two shut-off valves are respectively provided at both ends of the connecting pipe, and one of the shut-off valves is connected to the smoke collection device, one end is used to collect smoke, and the other end is In order to facilitate the air pump to supply air to it when washing the screen.

Preferably, the airway adopts an L-shaped structure design to avoid backflow.

Preferably, several ventilation holes are opened on the outside of the flow pipe, and a baffle is fixedly installed under the ventilation holes, so as to facilitate the circulation of smoke and avoid the contact between the air pump and water.

The beneficial effects of the utility model are: the utility model, by injecting water into the lower kettle body, makes it contact with the flue gas to play the role of dust removal, and can use the filter to discharge the sewage, and control the lifting of the lower kettle body. Take out the drain valve from the lower kettle body to facilitate cleaning. In addition to discharging the dust-removed flue gas into the flue gas collection device, the air pump can also inject a large amount of gas into the flow pipe, flush the partition net, and remove the dust attached to it. Dust on the bottom, with some practicality.

Description of drawings

Fig. 1 is the front view of the flue gas denitrification pre-dust removal device proposed by the utility model;

Fig. 2 is the top view of the flue gas denitrification pre-dust removal device proposed by the utility model;

Fig. 3 is a schematic diagram of the front structure of the flue gas denitrification pre-dust removal device proposed by the utility model.

In the figure: 1. Base; 2. Telescopic motor; 3. Bracket; 4. First connecting plate; 5. Second connecting plate; 6. Lower kettle body; 7. Upper kettle body; 8. Filter screen; 9. Drain valve ; 10, intake pipe; 11, connecting pipe; 12, air guide pipe; 13, flow pipe; 14, air pump;

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Embodiment: Referring to Figures 1-3, the flue gas denitrification pre-dust removal device includes a base 1, a telescopic motor 2 and a bracket 3 are fixedly installed on the top of the base 1, and the tops of the telescopic motor 2 and the bracket 3 are respectively connected to a first connecting plate 4 And the second connecting plate 5, the lower still body 6 is fixedly installed in the first connecting plate 4, and the upper still body 7 is fixedly installed in the second connecting plate 5, and the bottom of the lower still body 6 is connected with a filter screen 8, and in the lower still body 6 A drain valve 9 is placed, an air inlet pipe 10 is connected to the outside of the upper kettle body 7, and a connecting pipe 11 is fixedly installed on the top of the upper kettle body 7, and the air inlet pipe 10 is connected with an air guide pipe 12 through the upper kettle body 7, and the bottom of the connecting pipe 11 is connected to There is a flow pipe 13, and an air pump 14 and a screen 15 are fixedly installed in the flow pipe 13.

Further, the top of the base 1 is provided with a groove matching the lower kettle body 6 and the filter screen 8, so as to facilitate the lower kettle body 6 and the filter screen 8 to drop and avoid collisions.

Further, a positioning frame is fixedly installed on the top of the lower kettle body 6, and a positioning groove adapted to the positioning frame is provided at the bottom of the upper kettle body 7, which not only plays a positioning role, but also enhances the sealing performance.

Furthermore, there are several air intake pipes 10, which are distributed in an annular array outside the upper kettle body 7, and can perform dust removal work on a large amount of flue gas.

Further, the connecting pipe 11 adopts a T-shaped structure design, and two shut-off valves are respectively provided at both ends of the connecting pipe 11, and one of the shut-off valves is connected to the smoke collection device, one end is used to collect smoke, and the other end is For the convenience of the air pump 14 when washing the screen 15, it is supplied with air.

Further, the airway 12 adopts an L-shaped structure design to avoid backflow.

Furthermore, several air holes are opened on the outside of the circulation pipe 13, and a baffle plate is fixedly installed under the air holes, so as to facilitate the circulation of smoke and avoid the air pump 14 from contacting with water.

Working principle: when in use, the flue gas is injected into the lower kettle body 6 through the air inlet pipe 10 and the air guide pipe 12 for water contact, the dust mixed in the flue gas will be mixed with the water, and other gases are passed by the air pump 14 through the connecting pipe 11 Inject into the flue gas collection device. After dust removal, open the filter screen 8 to discharge the sewage, and use the air pump 14 to flush the partition screen 15. Finally, the kettle body 6 is lowered under the control of the telescopic motor 2, and the drain valve 9 is taken out to complete the cleaning work. .

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the instructions and drawings. The specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, plus circuit connections adopt conventional connection methods in the prior art, and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. Flue gas denitrification pre-dust removal device, comprising a base (1), characterized in that a telescopic motor (2) and a bracket (3) are fixedly installed on the top of the base (1), and the telescopic motor (2) and the bracket (3) ) are respectively connected to the first connecting plate (4) and the second connecting plate (5), the lower kettle body (6) is fixedly installed in the first connecting plate (4), and the second connecting plate (5) The upper kettle body (7) is fixedly installed, the bottom of the lower kettle body (6) is connected with a filter screen (8), and a drain valve (9) is placed in the lower kettle body (6), and the outer side of the upper kettle body (7) Connect with air inlet pipe (10), and upper still body (7) top is fixedly installed with connecting pipe (11), and described air inlet pipe (10) is connected with air guide pipe (12) by last kettle body (7), and connecting pipe (11) The bottom is connected with a flow pipe (13), and an air pump (14) and a screen (15) are fixedly installed in the flow pipe (13). 2. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that, the top of the base (1) is provided with a groove adapted to the lower kettle body (6) and the filter screen (8). 3. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that, the top of the lower kettle body (6) is fixedly equipped with a positioning frame, and the bottom of the upper kettle body (7) is provided with a Locating slot. 4. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that there are several air inlet pipes (10), which are distributed in an annular array outside the upper kettle body (7). 5. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that, the connecting pipe (11) adopts a T-shaped structure design, and two stop valves are respectively provided at both ends of the connecting pipe (11), and One of the shut-off valves is connected to the fume collection device. 6. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that the air guide pipe (12) adopts an L-shaped structure design. 7. The flue gas denitrification pre-dust removal device according to claim 1, characterized in that, a plurality of ventilation holes are opened on the outside of the flow pipe (13), and a baffle is fixedly installed under the ventilation holes.

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