CN206391871U - It is a kind of from dedusting type denitrating catalyst structure - Google Patents

Abstract

The utility model discloses one kind from dedusting type denitrating catalyst structure, including the rectangular body case being made by denitrating catalyst and internal dedusting denitration cage, dedusting denitration cage is formed by the catalysis grid of the square bodily form along three-dimensional connection extension, catalysis ball is placed with each catalysis grid, catalysis support bar is connected with four summits of lower section in catalysis grid, being equipped between dedusting denitration cage and lower wall can plug collecting plate.The catalyst structure both can guarantee that with good catalytic performance, additionally it is possible to dedusting is carried out in catalytic process, is not easily blocked.

Description

It is a kind of from dedusting type denitrating catalyst structure

Technical field

The utility model is related to a kind of shaping structure of denitrating catalyst, has in particular to one kind from dedusting function Denitrating catalyst structure.

Background technology

The coal fuel that power plant, boiler are used can produce the various oxides of nitrogen after combustion, be exhausted directly to meeting in air Serious pollution environment, it is therefore desirable to which denitration process is carried out to combustion tail gas.Current denitration generally uses SCR Method (SCR), this method needs to use denitrating catalyst.Catalyst material is fabricated with the catalysis of concrete structure by denitrating catalyst Agent structure, flue gas during structure by, by catalytic denitration, so as to realize elimination nitrogen oxides, reducing the purpose of pollution.It is conventional Denitrating catalyst structure be generally cuboid, inside is arranged in order in horizontally and vertically direction by square passageway and formed, Allow flue gas by square passageway in use, flue gas is in contact with the catalyst material of square passageway side wall, completed with this Denitration catalyst.Utility model patent 201420281803.4 discloses a kind of moulding body of Flapper type denitrating catalyst, each square The half high plate washer that height is square passageway mid-height is interval with the week side of boss wall of shape passage four.This moulding body of catalyst with Big by catalyzed gas contact surface area, time of contact is long, and denitration reaction is more thorough.In addition, also there is increasing in square passageway If the isostructural catalyst structure of grid, needle bar, baffle plate, purpose is all the time of contact of increase catalyst and flue gas and contacted Area, lifts catalytic effect.But said structure also holds while catalyst is increased with smoke contacts area and time of contact Easily the dust in flue gas is more trapped in catalyst, easily cause obstruction, finally influence using effect.

Utility model content

The purpose of this utility model is to provide one kind from dedusting type denitrating catalyst structure, and the catalyst structure can Ensure that there is good catalytic performance, additionally it is possible to dedusting is carried out in catalytic process, is not easily blocked.

To achieve the above object, the utility model takes following technical scheme：

One kind is from dedusting type denitrating catalyst structure, including the rectangular body case that is made by denitrating catalyst and interior The dedusting denitration cage in portion, the dedusting denitration cage is formed by the catalysis grid of the square bodily form along three-dimensional connection extension, each It is placed with catalysis grid in catalysis ball, catalysis grid and is connected with catalysis support bar on four summits of lower section, is catalyzed support bar pair Catalysis ball is supported, and the rectangular body case left and right sides is connected with dedusting denitration cage, front and rear four side wall sealing up and down, Being equipped between dedusting denitration cage and lower wall can plug collecting plate.

It is preferred that, the catalysis support bar is located on the body diagonal of the catalysis grid, and with the catalysis ball Contact surface is cambered surface.

It is preferred that, equipped with support rail below the front side wall and rear wall of the rectangular body case, the collecting plate is located at support rail On.

It is preferred that, the catalysis ball is hollow ball

In above-mentioned technical proposal, rectangular body case and dedusting denitration cage are made by denitrating catalyst material, each catalysis There is catalysis ball, such flue gas can be in contact with catalysis grid and catalysis ball when through rectangular body case, that is, be urged in grid Change denitration, while being catalyzed after ball is blown by gas to rotate, and can scrape with catalysis grid and catalysis support bar, This scraping can scrape the dust of surface adhesion, and be pooled on collecting plate, then can extract collecting plate out and remove smoke abatement. Catalyst Design is hollow ball, it is easier to blown, and can also save catalyst raw material.

Brief description of the drawings

Fig. 1 is the utility model dimensional structure diagram；

Fig. 2 is the utility model main structure diagram；

Fig. 3 is a catalysis grid and Qi Nei catalysis spherical structure schematic diagrames.

Embodiment

Below in conjunction with the accompanying drawings, the utility model is described further：

As shown in Fig. 1 Fig. 2 and Fig. 3, this has from dedusting type denitrating catalyst structure is made by denitrating catalyst Rectangular body case 1 and internal dedusting denitration cage 2, the rectangular front side wall 5 of body case 1, rear wall 6, upper side wall 3 and lower wall 4 It is connected with each other and in the side seal, the left and right sides is connected with dedusting denitration cage 2.Dedusting denitration cage 2 by the square bodily form catalysis Grid 9 is formed in the connection extension of length, width and height three-dimensional, and each catalysis grid 9 is formed by connecting by 12 ribs, in catalysis side It is placed with lattice 9 in catalysis ball 8, each catalysis grid and is connected with catalysis support bar 10 on four summits in lower section, catalysis ball 8 is entered Row support.During making, catalysis grid can be made by interpolation, and catalysis ball 8 is put into during interpolation.In preferred embodiment, Four catalysis support bar 10 is located on the body diagonal of catalysis grid, and with being catalyzed the contact surface of ball for cambered surface, to strengthen branch The uniform stressed degree of support.In order to mitigate the weight of catalysis ball and save the consumption of catalyst, can will catalysis ball 8 make it is hollow Ball, is so easier to drive generation to scrape to remove dust by flue gas.Being equipped between dedusting denitration cage 2 and lower wall 4 to pull out Insert collecting plate 7, can plug collecting plate 7 may be mounted on the support rail of front side wall 5 and the lower section of rear wall 6.

When being used to be catalyzed denitrating flue gas using this catalyst structure, flue gas enters left side discharge (or phase from right side Instead), flue gas enter after can be walked in dedusting denitration cage 2, catalysis ball 8 can by flue gas drive rotate, and with the catalysis of surrounding Each bar rib, the catalysis support bar of ball and catalysis grid are scraped, and dust is difficult to adhere to and dropping to can pull out on collecting plate 7, takes out Going out to pull out collecting plate 7 can easily be cleared up.Therefore in this catalyst structure, flue gas is not only contacted with catalyst material Surface area is big, additionally it is possible to automatic dust removing, enhances effective utilization.

The present embodiment is the explanation conceived to the utility model and realized, is not limited, in this reality With under new design, the technical scheme without essence conversion is still in protection domain.

Claims (4)

1. it is a kind of from dedusting type denitrating catalyst structure, including the rectangular body case being made by denitrating catalyst and inside Dedusting denitration cage, it is characterised in that the dedusting denitration cage by the square bodily form catalysis grid along three-dimensional connect extend Form, be placed with each catalysis grid in catalysis ball, catalysis grid and be connected with catalysis support bar on four summits of lower section, be catalyzed Support bar is supported to catalysis ball, and the rectangular body case left and right sides is connected with dedusting denitration cage, front and rear four sides up and down Wall is sealed, and being equipped between dedusting denitration cage and lower wall can plug collecting plate.

2. it is as claimed in claim 1 from dedusting type denitrating catalyst structure, it is characterised in that the catalysis support bar is located at On the body diagonal of the catalysis grid, and it is cambered surface with the contact surface for being catalyzed ball.

3. it is as claimed in claim 1 or 2 from dedusting type denitrating catalyst structure, it is characterised in that the rectangular body case Front side wall and rear wall below equipped with support rail, the collecting plate be located at support rail on.

4. it is as claimed in claim 3 from dedusting type denitrating catalyst structure, it is characterised in that the catalysis ball is hollow Ball.