CN210021684U

CN210021684U - Cement pit waste gas denitration device

Info

Publication number: CN210021684U
Application number: CN201920528885.0U
Authority: CN
Inventors: 胡燕; 胡俊; 张磊磊
Original assignee: Shaanxi Yunkuo Energy Conservation And Environmental Protection Technology Co Ltd
Current assignee: Shaanxi Yunkuo Energy Conservation And Environmental Protection Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-07
Anticipated expiration: 2029-04-18

Abstract

The utility model provides cement pit waste gas denitration equipment, which comprises a reaction box, wherein an air inlet pipe is vertically inserted at the upper end of the reaction box, a fixed sleeve is fixedly arranged at the outer wall of the right end of the reaction box, a motor is sleeved inside the fixed sleeve, a rotary disc is fixedly arranged at the rotating shaft position of the upper end of the motor, a belt is sleeved on the rotary disc, an annular chute is arranged at the middle position inside the reaction box, a waste gas pipe is fixedly arranged at the top of the left side of the reaction box, an air outlet pipe is transversely and fixedly arranged at the left side of the bottom end of the reaction box, a slide block is fixedly connected with the lower end of a stirring blade, the slide block is a hollow slide block, the hollow part is communicated with the stirring blade, the utility model discloses, by adding the slide block, air is blown into the stirring blade by a diluter, the, the effect of increasing the reaction efficiency in the reaction box is achieved by a mode of rotating once and blowing once.

Description

Cement pit waste gas denitration device

Technical Field

The utility model relates to a waste gas denitration field, in particular to cement cellar for storing things waste gas denitration equipment.

Background

At present, with the rapid development of the industry in China, the problem of air pollution is more and more serious, the haze phenomenon is more and more frequent, the problem of air pollution treatment is not easy, and researches show that the flue gas discharged by an enterprise chimney is a main source of air pollution, and the flue gas generally contains compounds such as nitrogen oxides, sulfides and the like which severely pollute the environment. The waste gas desulfurization and denitration device mentioned in the prior patent CN 2071699392U is characterized in that the waste gas after dust removal is pressurized by the air pump to respectively pass through the adsorption desulfurization device and the adsorption denitration device in the circular tube, and sulfide and nitride in the waste gas are respectively adsorbed by the desulfurization adsorbent and the denitration adsorbent, so that the desulfurization and denitration work on the waste gas is achieved, pollution-free gas emission is removed, and the atmospheric environment is protected. But the device has uneven gas distribution in the denitration process. Therefore, the cement pit waste gas denitration device is proposed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cement cellar for storing things waste gas denitration device has solved the inhomogeneous problem of gas distribution among the current denitration device in the reaction process.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the cement pit waste gas denitration device comprises a reaction box, wherein an air inlet pipe is vertically inserted at the upper end of the reaction box, a fixed sleeve is fixedly arranged on the outer wall of the right end of the reaction box, a motor is sleeved in the fixed sleeve, a rotating disc is fixedly arranged at the position of a rotating shaft at the upper end of the motor, a belt is sleeved on the rotating disc, an annular sliding groove is arranged at the middle position in the reaction box, the top of the left side of the reaction box is fixedly provided with an exhaust gas pipe, the left side of the bottom end of the reaction box is transversely and fixedly provided with an air outlet pipe, the lower end of the stirring blade is fixedly connected with a slide block, the slide block is a hollow slide block, the hollow part of the slide block is communicated with the stirring blade, the outer side of the slide block is clamped in the annular chute, one side of the slide block, which is far away from the chute, is provided with an air leakage port, the diluter blows air into the stirring blade, the air reaches the slide block through the hollow pipeline of the stirring blade, and the slide block uniformly blows the air into the reaction box through the air leakage port in the rotating process.

Preferably, the motor is a rotating motor and the installation direction of the motor is parallel to the air inlet pipe.

Preferably, the lower end of the air inlet pipe is fixedly connected with stirring blades, and two groups of stirring blades are in a shape of a herringbone hollow pipe.

Preferably, the other end of the belt is sleeved on the driven disc, and the driven disc is sleeved on the outer circle of the air inlet pipe.

Preferably, intake pipe left side bottom fixed mounting has the diluter, diluter and intake pipe intercommunication and diluter lower extreme fixed mounting are at the reaction box top.

Preferably, the lower end of the air inlet pipe is fixedly provided with a clamping sleeve, a bearing is sleeved inside the clamping sleeve, the inner wall of the clamping sleeve is fixedly connected with an outer sleeve of the bearing, the inner side of a bearing inner sleeve of the bearing is fixedly sleeved with a stirring blade bayonet, the lower end of the stirring blade bayonet is communicated with a stirring blade, and an air cushion is fixedly arranged between the top end of the stirring blade bayonet and the bottom end inside the clamping sleeve.

(III) advantageous effects

The utility model provides a cement cellar for storing things waste gas denitration device. The method has the following beneficial effects:

(1) this denitration device, through adding the slider, the diluter blows in the air in the stirring leaf, and the air reachs slider department through the hollow pipeline of stirring leaf, and the slider evenly blows in gaseous in the reaction box through the gas leakage mouth at rotatory in-process, through the mode of blowing once of a rotation, reaches the effect that increases the inside reaction efficiency of reaction box.

(2) This denitration device, the inner wall that presss from both sides the cover and the overcoat fixed connection of bearing, the inboard fixed stirring leaf bayonet socket that cup joints of bearing endotheca of bearing, stirring leaf bayonet socket lower extreme and stirring leaf intercommunication, the top of stirring leaf bayonet socket and press from both sides fixed mounting air cushion between the inside bottom of cover, under air cushion bearing's cooperation, when the motor drives the stirring leaf and rotates, the intake pipe can reach not rotate and can not take place the effect of gas leakage with the stirring leaf is synchronous.

Drawings

FIG. 1 is an overall schematic view of the cement pit waste gas denitration device of the utility model;

FIG. 2 is a sectional view of the reaction chamber of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: the device comprises a reaction box 1, an air inlet pipe 2, a fixed sleeve 3, a motor 4, a rotating disc 5, a belt 6, a driven disc 7, a stirring blade 8, a sliding chute 9, a diluter 10, an exhaust gas pipe 11, a sliding block 12, an air delivery pipe 13, a jacket 14, a bearing 15, a bearing inner sleeve 16, a stirring blade bayonet 17, an air outlet pipe 18 and an air cushion 19.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the cement pit waste gas denitration device comprises a reaction box 1, an air inlet pipe 2 is vertically inserted into the upper end of the reaction box 1, the air inlet pipe 2 is used for injecting hot air to change the internal temperature of the whole reaction box 1, a fixed sleeve 3 is fixedly installed on the outer wall of the right end of the reaction box 1, a motor 4 is sleeved inside the fixed sleeve 3, the motor 4 is a rotating motor, the installation direction of the motor is parallel to the air inlet pipe 2, a rotating disc 5 is fixedly installed on the rotating shaft position of the upper end of the motor 4, a belt 6 is sleeved on the rotating disc 5, the other end of the belt 6 is sleeved on a driven disc 7, the driven disc 7 is sleeved on the excircle of the air inlet pipe 2, stirring blades 8 are fixedly connected to the lower end of the air inlet pipe 2, two groups of the stirring blades 8 are in a shape of a Chinese character hollow pipe, an annular chute 9, diluter 10 and 2 intercommunications of intake pipe and diluter 10 lower extremes fixed mounting are at 1 tops of reaction box, and the effect of denitration dilution fan is blown into a large amount of natural air and is diluted the ammonia and spout the reactor pipeline after certain proportion, prevents that ammonia and air mix from reaching the explosion proportion to avoid causing danger. The dilution fan generally selects a special high-pressure centrifugal fan, ensures that the dilution proportion of ammonia air is not more than 5%, the top of the left side of the reaction box 1 is fixedly provided with a waste gas pipe 11, the left side of the bottom end of the reaction box 1 is transversely and fixedly provided with an air outlet pipe 18, the lower end of the stirring vane 8 is fixedly connected with a slide block 12, the slide block 12 is a hollow slide block, the hollow part is communicated with the stirring vane 8, the outer side of the slide block 12 is clamped inside an annular chute 9, one side of the slide block 12, which is far away from the chute 9, is provided with an air leakage port, when the motor 4 drives the stirring vane 8 to rotate, the stirring vane 8 drives the slide block 12 to move inside the annular chute 9 to do circular motion, the stirring vane 8 rotates to accelerate the fusion reaction of the gas in the reaction box 1, the diluter 10 blows the air into the stirring vane 8, the air reaches the position of the, increase the inside reaction efficiency of reaction box 1 through the mode of blowing once of rotation, 2 lower extreme fixed mounting of intake pipe has clamp cover 14, and the inside bearing 15 that has cup jointed of clamp cover 14, the inner wall of clamp cover 14 and the overcoat fixed connection of bearing 15, the fixed stirring leaf bayonet 17 that has cup jointed of 16 inboard fixed sleeves of bearing 15, stirring leaf bayonet 17 lower extreme and stirring leaf 8 intercommunication, fixed mounting has air cushion 19 between the top of stirring leaf bayonet 17 and the inside bottom of clamp cover 14, air cushion 19 is HNBR hydrogenated nitrile butadiene rubber sealing washer, and this air cushion 19 has splendid anticorrosive, anti tearing and resistance to compression deformation characteristic, and ozone-resistant, resistant sunshine, resistant weather ability are better. Has better abrasion resistance than nitrile rubber. The refrigerant is suitable for washing machines, automobile engine systems and refrigeration systems using novel environment-friendly refrigerants R134 a. It is not recommended to use in solutions of alcohols, esters or aromatics. The temperature range of the catalyst is-40 to 150 ℃. Under the cooperation of the air cushion 19 and the bearing 15, when the motor 4 drives the stirring blade 8 to rotate, the air inlet pipe 2 can not synchronously rotate with the stirring blade 8 and air leakage can not occur.

The working principle is as follows: when using, 8 lower extreme fixed connection sliders 12 of stirring leaf, slider 12 is hollow slider and hollow department and stirring leaf 8 intercommunication, slider 12 outside joint is inside annular spout 9, the gas leakage mouth has been seted up to one side that spout 9 was kept away from to slider 12, when motor 4 drives stirring leaf 8 rotatory, stirring leaf 8 drives slider 12 and is circular motion at the inside removal of annular spout 9, stirring leaf 8 is rotatory to make the gas in reaction box 1 fuse the reaction with higher speed, diluter 10 blows in the air in stirring leaf 8, the air reachs slider 12 department through stirring leaf 8's hollow pipeline, slider 12 is in rotatory in-process with gas evenly blows in reaction box 1 through the gas leakage mouth, through the mode of blowing once revolving once increases the inside reaction efficiency of reaction box 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Cement cellar waste gas denitration device, including reaction box (1), its characterized in that: the right end of the reaction box (1) is provided with a motor (4), and the motor (4) drives the stirring blades (8) to rotate through a belt (6);

an annular sliding chute (9) is arranged in the reaction box (1), an air outlet pipe (18) is transversely and fixedly installed on the left side of the bottom end of the reaction box (1), a sliding block (12) is fixedly connected to the lower end of the stirring blade (8), and an air leakage port is formed in one side, away from the sliding chute (9), of the sliding block (12);

the lower end of the air inlet pipe (2) is provided with a clamping sleeve (14), a bearing (15) is sleeved inside the clamping sleeve (14), the inner wall of the clamping sleeve (14) is fixedly connected with the outer sleeve of the bearing (15), and the inner side of a bearing inner sleeve (16) of the bearing (15) is fixedly sleeved with a stirring blade bayonet (17).

2. The cement pit exhaust gas denitration apparatus according to claim 1, characterized in that: the motor (4) is a rotating motor, and the installation direction of the motor is parallel to the air inlet pipe (2).

3. The cement pit exhaust gas denitration apparatus according to claim 1, characterized in that: two groups of stirring blades (8) are arranged and are in a shape of a herringbone hollow tube.

4. The cement pit exhaust gas denitration apparatus according to claim 1, characterized in that: an exhaust gas pipe (11) is fixedly arranged at the top of the left side of the reaction box (1).

5. The cement pit waste gas denitration device according to claim 1, characterized in that the slide block (12) is a hollow slide block, the hollow part is communicated with the stirring blade (8), and the outer side of the slide block (12) is clamped inside the annular chute (9).

6. The cement pit exhaust gas denitration apparatus according to claim 1, characterized in that: the lower end of the stirring blade bayonet (17) is communicated with the stirring blade (8), and an air cushion (19) is fixedly arranged between the top end of the stirring blade bayonet (17) and the bottom end inside the jacket (14).