Guide plate device for preventing gypsum deposition at inlet of absorption tower

By designing a baffle plate device at the inlet of the absorption tower to prevent gypsum deposition, the baffle plate blocks the liquid reaction zone and cleans the deposits, thus solving the problem of solid deposition caused by the reaction of high-temperature waste gas and liquid, and improving the working efficiency and airflow distribution effect of the absorption tower.

CN223747329UActive Publication Date: 2026-01-02HUNAN CHINA RESOURCES POWER LIYUJIANG CO LTD
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Patent Information

Application Number
CN202520265735.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-02
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

When high-temperature exhaust gas from a thermal power plant enters the inlet of the absorption tower, it reacts with the sprayed liquid to produce solid deposits, which increases resistance and affects the working efficiency of the absorption tower.

Method used

Design a flow guide plate device to prevent gypsum deposition at the inlet of an absorption tower, comprising a first absorption pipe, a support plate, a motor, a rotating shaft, a flow guide plate, and a sliding shovel. The flow guide plate blocks the liquid reaction zone, and the motor and hydraulic rod are used to clean the deposits.

Benefits of technology

It effectively prevents the formation of solid deposits, ensures uniform airflow distribution, and improves the working efficiency and airflow effect of the absorption tower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a guide plate device for preventing gypsum deposition at an inlet of an absorption tower, which relates to the technical field of guide plates for preventing gypsum deposition at the inlet of the absorption tower and comprises a first absorption pipe, a first support plate fixedly connected to the outer surface of the first absorption pipe, and a motor fixedly connected to the top of the first support plate. And an output shaft of the motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a first connecting plate, and the outer surface of the first connecting plate is fixedly connected with symmetrical second flow guide plates. According to the device disclosed by the utility model, the second guide plate is arranged above the second absorption pipe in the first absorption pipe, a dry and wet interface cannot be generated in the second absorption pipe through the arrangement of the second guide plate, meanwhile, the second guide plate is rotated by utilizing the rotating shaft, and sediments on the second guide plate are cleaned through the first slide shovel and the second slide shovel; therefore, the inlet of the absorption tower is prevented from generating solid sediments and the working efficiency of the absorption tower is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the guide plate of gypsum deposition prevention of absorption tower entrance, and particularly relates to the guide plate device of gypsum deposition prevention of absorption tower entrance. BACKGROUND

[0002] ‌The guide plate of absorption tower entrance of thermal power plant is a device, which is mainly used in the field of wet desulfurization, and particularly relates to the inlet flue of desulfurization absorption tower.‌ The design of the guide plate device aims to improve the safety and reliability of thermal power plant. It sets guide plates in the inlet flue, which can be in the form of straight plate, circular arc plate, folded plate, isosceles triangle plate and the like, and is fixed in the inlet flue and main flue. The main functions of the guide plate include slowing down the speed of falling and splashing of absorbent slurry, avoiding further splashing of slurry to the equipment connected with the inlet flue of absorption tower, and ensuring smooth flow of flue gas‌.

[0003] In the prior art, the absorption tower entrance of thermal power plant has a dry-wet interface, and the high-temperature waste gas generated by the thermal power plant is in contact with the liquid sprayed when entering the absorption tower entrance, part of the liquid is evaporated by the high-temperature waste gas in the absorption tower entrance, and solid deposits are generated, the generation and accumulation of solid deposits will generate resistance to waste gas, increase the operation cost, and affect the working efficiency of the absorption tower. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem in the prior art that the high-temperature waste gas generated by the thermal power plant is in reaction with the liquid sprayed when entering the absorption tower entrance, there is an obvious dry-wet interface in the absorption tower entrance, part of the liquid is evaporated by the high-temperature waste gas in the first absorption tower entrance, and solid deposits are generated, the generation and accumulation of solid deposits will generate resistance to waste gas, and affect the working efficiency of the absorption tower, and proposes the guide plate device of gypsum deposition prevention of absorption tower entrance.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of absorption tower entrance anti-gypsum deposition deflector device, comprising: first absorption pipe, the first absorption pipe outer surface is fixedly connected with first support plate, the first support plate top is fixedly connected with motor, the output shaft of motor penetrates first absorption pipe and extends to inside, the output shaft of motor is fixedly connected with rotating shaft, the rotating shaft outer surface is fixedly connected with first connecting plate, the first connecting plate outer surface is fixedly connected with the second deflector of symmetry, the first absorption pipe outer surface is fixedly connected with the second support plate of symmetry, two the second support plate top is fixedly connected with hydraulic rod, the output end of two hydraulic rods is all penetrated first absorption pipe and extends to inside, the output end of two hydraulic rods is fixedly connected with second connecting plate, the second connecting plate outer surface is all fixedly connected with first slide shovel, the second connecting plate outer surface is all fixedly connected with second slide shovel near first slide shovel lower side position, the second deflector is located between first slide shovel and second slide shovel position.

[0006] Preferably, the first absorption pipe outer surface is fixedly connected with second absorption pipe, the first absorption pipe and second absorption pipe are in communication, and the second absorption pipe inner surface is fixedly connected with a plurality of uniformly distributed first deflectors.

[0007] Preferably, the first absorption pipe bottom is fixedly connected with a liquid collector, and the first absorption pipe top is fixedly connected with a spray pipe.

[0008] Preferably, the spray pipe inner surface is fixedly connected with a plurality of uniformly arranged pipes, and the pipe outer surface is fixedly connected with a plurality of uniformly arranged spray heads.

[0009] Preferably, the first absorption pipe inner surface is fixedly connected with a third deflector near the lower side of the second absorption pipe.

[0010] Preferably, the first absorption pipe inner surface is fixedly connected with two fourth deflectors, one of the two fourth deflectors is located below the third deflector, and the other fourth deflector is located above and to the right of the third deflector.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that,

[0012] 1、In the utility model, the second deflector is placed above the second absorption pipe in the first absorption pipe, which can block the liquid above the second absorption pipe, and there is no obvious dry-wet interface in the second absorption pipe. At the same time, the second deflector is rotated by the rotating shaft, and the deposits on the second deflector are cleaned by the first slide shovel and the second slide shovel, thereby preventing solid deposits from forming at the inlet of the absorption tower and improving the working efficiency of the absorption tower.

[0013] 2、The utility model discloses a plurality of first fairlead are set up in the second absorption tower, and third fairlead and fourth fairlead are set up in the first absorption tower respectively, and the setting of fairlead can make waste gas flow upwards, promote airflow uniform distribution and promote airflow flow effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional view of the fairlead device for preventing gypsum deposition at the inlet of the absorption tower is provided for the utility model;

[0015] Figure 2 A three-dimensional view of the fairlead device for preventing gypsum deposition at the inlet of the absorption tower is provided for the utility model;

[0016] Figure 3 A three-dimensional view of the fairlead device for preventing gypsum deposition at the inlet of the absorption tower is provided for the utility model;

[0017] Figure 4 A three-dimensional view of the fairlead device for preventing gypsum deposition at the inlet of the absorption tower is provided for the utility model.

[0018] Legend: 1, first absorption pipe; 2, second absorption pipe; 3, first fairlead; 4, first support plate; 5, motor; 6, rotating shaft; 7, first connecting plate; 8, second fairlead; 9, second support plate; 10, hydraulic rod; 11, second connecting plate; 12, first sliding shovel; 13, second sliding shovel; 14, liquid collector; 15, spray pipe; 16, pipeline; 17, spray head; 18, third fairlead; 19, fourth fairlead. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be explained that the embodiment of the application and the features in the example can be combined mutually in the case of no conflict.

[0020] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0021] Example 1: as Figures 1-4As shown, the utility model provides the baffle device of gypsum deposition prevention of absorption tower entrance, include: first absorption pipe 1, first absorption pipe 1 outer surface fixedly connected with first support plate 4, first support plate 4 top fixedly connected with motor 5, the output shaft of motor 5 penetrates first absorption pipe 1 and extends to the inside, the output shaft of motor 5 is fixedly connected with rotating shaft 6, rotating shaft 6 outer surface fixedly connected with first connecting plate 7, first connecting plate 7 outer surface fixedly connected with the second baffle 8 of symmetry, first absorption pipe 1 outer surface fixedly connected with the second support plate 9 of symmetry, two second support plate 9 top are all fixedly connected with hydraulic rod 10, the output end of two hydraulic rods 10 all penetrates first absorption pipe 1 and extends to the inside, the output end of two hydraulic rods 10 all is fixedly connected with second connecting plate 11, two second connecting plate 11 outer surface all are fixedly connected with first slide shovel 12, two second connecting plate 11 outer surface close to first slide shovel 12 lower side position all are fixedly connected with second slide shovel 13, second baffle 8 is located between first slide shovel 12 and second slide shovel 13 position, first absorption pipe 1 bottom fixedly connected with liquid collector 14, first absorption pipe 1 top fixedly connected with spray pipe 15, spray pipe 15 inner surface fixedly connected with multiple evenly arranged pipeline 16, multiple pipeline 16 outer surface all are fixedly connected with multiple evenly arranged spray head 17.

[0022] Its whole embodiment 1 reaches the effect for, the baffle device of gypsum deposition prevention of absorption tower entrance when in use, liquid is sprayed in spray head 17 through pipeline 16, waste gas enters the inside of first absorption pipe 1 through second absorption pipe 2, and is reacted with liquid upward, and in first absorption pipe 1, second baffle 8 is placed in the upper side of second absorption pipe 2, second baffle 8 is attached to the wall of first absorption pipe 1, the placement of second baffle 8 can block the liquid in the upper side of second absorption pipe 2, no dry-wet interface is formed in second absorption pipe 2, and hot gas only reacts with liquid in first absorption pipe 1, and a certain deposit is formed on second baffle 8, start motor 5, the output shaft of motor 5 rotates rotating shaft 6, rotating shaft 6 rotates first connecting plate 7, first connecting plate 7 rotates two sides second baffle 8, after the position of two second baffles 8 is exchanged, close motor 5, start two hydraulic rods 10, the output end of two hydraulic rods 10 all drive second connecting plate 11, second connecting plate 11 drives first slide shovel 12 and second slide shovel 13 to move towards each other, first slide shovel 12 and second slide shovel 13 attach to second baffle 8, and the deposit on second baffle 8 is removed, when two first slide shovels 12 and second slide shovels 13 are attached, close hydraulic rod 10, the output end of two hydraulic rods 10 all drive second connecting plate 11, second connecting plate 11 drives first slide shovel 12 and second slide shovel 13 to move reversely, through the setting of second baffle 8, liquid and gas only combine in first absorption pipe 1, so that there is no dry-wet interface in absorption tower entrance, so no solid deposit is formed in absorption tower entrance, improve the working efficiency of absorption tower.

[0023] Example 2: Figures 1-4 As shown, the guide plate device for preventing gypsum deposition at the inlet of the absorption tower has a second absorption pipe 2 fixedly connected to the outer surface of the first absorption pipe 1, and the first absorption pipe 1 and the second absorption pipe 2 are connected in a continuous manner. Multiple uniformly distributed first guide plates 3 are fixedly connected to the inner surface of the second absorption pipe 2. A third guide plate 18 is fixedly connected to the inner surface of the first absorption pipe 1 near the lower side of the second absorption pipe 2. Two fourth guide plates 19 are fixedly connected to the inner surface of the first absorption pipe 1. One of the two fourth guide plates 19 is located below the third guide plate 18, and the other fourth guide plate 19 is located to the upper right of the third guide plate 18.

[0024] The effect achieved by the entire embodiment 2 is that, when the guide plate device for preventing gypsum deposition at the inlet of the absorption tower is in use, the exhaust gas passes through the second absorption pipe 2, and then through the first guide plate 3 inside the second absorption pipe 2, which can effectively make the gas evenly distributed. Then, it enters the first absorption pipe 1, where the gas will suddenly diffuse. The downward gas will pass through the third guide plate 18, and the fourth guide plate 19 below the third guide plate 18 will guide the gas upward, thereby promoting the even distribution of airflow and improving the airflow effect.

[0025] Working principle: Waste gas passes through the second absorption pipe 2, then through the first guide plate 3 inside the second absorption pipe 2, which effectively distributes the gas evenly before entering the first absorption pipe 1. There, it reacts upwards with the liquid. The second guide plate 8 blocks the liquid above the second absorption pipe 2, ensuring the hot gas only reacts with the liquid within the first absorption pipe. When some sediment forms on the second guide plate 8, the motor 5 is started. The motor 5 rotates the two second guide plates 8. After the two second guide plates 8 exchange positions, the motor 5 is turned off, and the two hydraulic rods 10 are activated, causing the two first sliding shovels 12 and two second sliding shovels 13 to move in opposite directions. The first sliding shovels 12 and second sliding shovels 13 come into contact with the second guide plates 8, removing the sediment. When the two first sliding shovels 12 and second sliding shovels 13 are in contact, the hydraulic rods 10 are turned off. The two hydraulic rods 10 then cause the two first sliding shovels 12 and two second sliding shovels 13 to move in opposite directions, thereby reducing solid sediment at the inlet of the absorption tower and improving the working efficiency of the absorption tower.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A baffle device for preventing gypsum deposition at the inlet of an absorption tower, comprising: The utility model provides an improved first absorption pipe (1), characterized in that the outer surface of the first absorption pipe (1) is fixedly connected with a first support plate (4), the top of the first support plate (4) is fixedly connected with a motor (5), the output shaft of the motor (5) penetrates through the first absorption pipe (1) and extends to the inner side, the output shaft of the motor (5) is fixedly connected with a rotating shaft (6), the outer surface of the rotating shaft (6) is fixedly connected with a first connecting plate (7), the outer surface of the first connecting plate (7) is fixedly connected with symmetrical second flow guide plates (8), the outer surface of the first absorption pipe (1) is fixedly connected with symmetrical second support plates (9), the top of the two second support plates (9) is fixedly connected with hydraulic rods (10), the output end of the two hydraulic rods (10) penetrates through the first absorption pipe (1) and extends to the inner side, the output end of the two hydraulic rods (10) is fixedly connected with second connecting plates (11), the outer surface of the two second connecting plates (11) is fixedly connected with first sliding shovels (12), the outer surface of the two second connecting plates (11) is fixedly connected with second sliding shovels (13) near the lower side of the first sliding shovels (12), and the second flow guide plates (8) are located between the first sliding shovels (12) and the second sliding shovels (13).

2. The absorber inlet anti-gypsum-deposition baffle device of claim 1, wherein: The outer surface of the first absorption pipe (1) is fixedly connected with a second absorption pipe (2), the first absorption pipe (1) and the second absorption pipe (2) are in communication, and the inner surface of the second absorption pipe (2) is fixedly connected with a plurality of uniformly distributed first flow guide plates (3).

3. The tower inlet anti-gypsum-deposition baffle apparatus of claim 1, wherein: The bottom of the first absorption pipe (1) is fixedly connected with a liquid collector (14), and the top of the first absorption pipe (1) is fixedly connected with a spraying pipe (15).

4. The absorber inlet anti-gypsum-deposition baffle device of claim 3, wherein: The inner surface of the spraying pipe (15) is fixedly connected with a plurality of uniformly arranged pipelines (16), and the outer surface of the plurality of pipelines (16) is fixedly connected with a plurality of uniformly arranged spray heads (17).

5. The absorber inlet anti-gypsum-deposition baffle device of claim 1, wherein: The inner surface of the first absorption pipe (1) is fixedly connected with a third flow guide plate (18) near the lower side of the second absorption pipe (2).

6. The absorber inlet anti-gypsum-deposition baffle device of claim 1, wherein: The inner surface of the first absorption pipe (1) is fixedly connected with two fourth flow guide plates (19), one of the two fourth flow guide plates (19) is located below the third flow guide plate (18), and the other fourth flow guide plate (19) is located above and right of the third flow guide plate (18).