CN211246054U

CN211246054U - Rotary spraying device in desulfurization device

Info

Publication number: CN211246054U
Application number: CN201922066466.2U
Authority: CN
Inventors: 孙卫元; 张丽吟; 孙云川; 王长城; 李亮
Original assignee: Shandong Haike Environmental Protection Technology Co ltd
Current assignee: Shandong Haike Environmental Protection Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-14
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a rotary spray device in a desulfurization device, which mainly relates to the technical field of desulfurization equipment, and comprises a main pipe, branch pipes are equidistantly distributed on the main pipe, spray pipes are connected with each other from inside to outside on the branch pipes, blades are arranged between two adjacent spray pipes, tangential spray heads are connected on the pipe walls of the spray pipes along the tangential direction, spray liquid is sprayed out from the spray heads at a certain angle to drive flue gas to form cyclone, so that the flue gas is more uniformly mixed, circulating liquid sprayed out by the spray heads drives the flue gas in a tower to generate cyclone, the gas-liquid contact area is increased, the reaction time is prolonged, the upward flue gas meets the continuously rotating blades, the wet flue gas forms violent disturbance of gas-liquid phases above, the motion direction of various particulate matters in the flue gas is changed and accelerated, turbulence is formed between small water drops and micro particulate matters in the flue gas and fully impacts each other, and the rotation forms multilayer vortex with unequal height, the smoke is fully purified, and various particles in the smoke are accelerated to be differentiated.

Description

Rotary spraying device in desulfurization device

Technical Field

The utility model mainly relates to the technical field of desulfurization equipment, in particular to a rotary spraying device in a desulfurization device.

Background

The exhaust gas discharged from the boiler contains harmful substances such as sulfur dioxide and dust, which seriously pollutes the environment and threatens the health of human beings. The trapping efficiency of wet desulphurization and dust removal on smoke dust is high and stable, and the application of the device with simple structure in an industrial boiler is continuously increased. However, the traditional device is limited by the structure, so that the contact between the flue gas and the desulfurization slurry is insufficient, the discharged flue gas still contains dust and sulfur dioxide, and the purification effect of the waste gas of the device cannot be further improved. The contact between the flue gas and the desulfurization slurry is improved to develop a desulfurization and dust removal device, so that an effective mode for improving the waste gas purification effect is realized.

Patent ZL201420750435.3 has proposed the high-efficient wet flue gas desulfurization dust collector of multilayer, and the desulfurization dust removal purifying effect of tower is guaranteed through the contact that sets up inside and outside tower and spray layer increase flue gas and desulfurization thick liquid. However, the fixed spraying layer can not ensure the uniform and sufficient contact of the flue gas and the desulfurization slurry, and the flue gas purification effect is limited.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model provides a rotary spraying device in a desulfurization device.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a rotatory spray set among desulphurization unit which characterized in that: the spraying device comprises a main pipe, branch pipes are distributed on the main pipe at equal intervals, the branch pipes are connected with spraying pipes from inside to outside, a blade is arranged between every two adjacent spraying pipes, and tangential spraying heads are connected to the pipe walls of the spraying pipes along the tangential direction.

As a further improvement, the utility model is provided with a framework of the rotary spraying device consisting of a main pipe, a branch pipe and a spraying pipe, and the upper end of the main pipe is fixed on the inner wall of the shell of the desulfurizing tower through a rotary bearing.

As a further improvement of the utility model, the spray headers are evenly distributed along the circumferential direction, and the spray headers and the axis of the spray pipe form an included angle alpha which is generally 20-60 degrees.

Compared with the prior art, the utility model discloses the beneficial effect who has does: the spray liquid is sprayed out from the spray head at a certain angle, the effect similar to a stirrer is realized, the flue gas is driven to form a cyclone in the desulfurizing tower, the flue gas in the desulfurizing tower is more uniformly mixed, the flue gas sprayed out from the spray layer is used for driving the flue gas in the tower to generate the cyclone, the gas-liquid contact area is increased, the reaction time is prolonged, the upward flue gas meets blades rotating continuously, the wet flue gas forms severe disturbance of gas-liquid phases above the wet flue gas, the moving direction of various particles in the flue gas is changed and accelerated, turbulent flow and mutual sufficient impact are formed between small water drops and small particles in the flue gas, the small water drops and the small particles collide with each other and are agglomerated into large liquid drops, the air flow vortex with different multilayer heights is formed in a rotating mode, the flue gas is fully purified.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a top view of a rotary spraying device in a desulfurization device according to the present invention;

FIG. 2 is a front view of a rotary spraying device of the desulfurization device of the present invention;

FIG. 3 is a schematic structural view of the sprinkler head of the present invention;

in the figure: the desulfurization tower comprises a desulfurization tower shell 1, a main pipe 2, branch pipes 3, spray pipes 4, blades 5 and spray heads 6.

Detailed Description

In order to make the technical solution and the advantages of the present invention more clear and obvious, the present invention is further described in detail with reference to the following specific embodiments, it should be understood that the specific embodiments described herein are only used for understanding the present invention, and are not used for limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Fig. 1 to fig. 3 show the structure schematic diagram of a rotary spraying device in a desulfurization device, including being responsible for 2, being responsible for 2 equidistance distribution branch pipes 3, from interior to exterior interconnect shower 4 on branch pipe 3 be equipped with blade 5 between two adjacent shower 4, connect tangential shower head 6 along the tangential on the pipe wall of shower 4, shower head 6 is along the circumferencial direction evenly distributed, and shower head 6 is the contained angle alpha with the axis of shower 4, generally adopts contained angle alpha to be 20-60.

The main pipe 2, the branch pipes 3 and the spray pipes 4 form a framework of the rotary spray device, and the upper end of the main pipe 2 is fixed on the inner wall of the desulfurization tower shell 1 through a rotary bearing.

Spraying liquid is sprayed out of a spray head at a certain angle to play a role similar to a stirrer, smoke is driven in a desulfurizing tower to form cyclone, so that the smoke in the desulfurizing tower is mixed more uniformly, the smoke in the tower is driven to generate the cyclone through circulating liquid sprayed out of a spraying layer, the gas-liquid contact area is increased, the reaction time is prolonged, the upward smoke meets a blade 5 which rotates continuously, wet smoke forms violent disturbance of gas-liquid phases above the wet smoke, the moving direction of various particles in the smoke is changed and accelerated, small water drops and tiny particles in the smoke form turbulence and fully collide with each other, the small water drops and the tiny particles collide with each other and are agglomerated into large liquid drops, the large liquid drops are contacted with the wall surface of the blade 5 and are fused with a liquid film on the wall surface, so that the tiny particles in the smoke are removed, the integral environmental protection effect is greatly enhanced, and particularly, fine liquid drops, fine dust, Aerosol and other small particles with the particle size of less than 5 microns, and the removal efficiency reaches 3mg/Nm 3. The rotation forms a plurality of layers of airflow vortexes with different heights, so that the smoke is fully purified, and various particles in the smoke are differentiated in an accelerated manner.

It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a rotatory spray set among desulphurization unit which characterized in that: the spraying pipe comprises a main pipe (2), branch pipes (3) are distributed on the main pipe (2) at equal intervals, spraying pipes (4) are connected with each other from inside to outside on the branch pipes (3), blades (5) are arranged between the adjacent spraying pipes (4), and tangential spraying heads (6) are connected to the pipe wall of each spraying pipe (4) along the tangential direction.

2. The rotary spraying device in a desulfurization device according to claim 1, characterized in that: the main pipe (2), the branch pipes (3) and the spray pipes (4) form a framework of the rotary spray device, and the upper end of the main pipe (2) is fixed on the inner wall of the desulfurizing tower shell (1) through a rotary bearing.

3. The rotary spraying device in a desulfurization device according to claim 1, characterized in that: the spray headers (6) are uniformly distributed along the circumferential direction, and the spray headers (6) and the axis of the spray pipe (4) form an included angle alpha which is generally 20-60 degrees.