Cleaning and purifying device for waste gas washing tower in chemical industry

Abstract

The utility model discloses a chemical industry waste gas washing tower cleaning and purifying device, and particularly relates to the technical field of washing towers, the chemical industry waste gas washing tower cleaning and purifying device comprises a settling tank, a settling tank body opening is formed in one side of the bottom of the settling tank, a sediment extractor is arranged in the settling tank, and one side of the top of the settling tank is connected with two spraying devices through pipelines. A conveying pump is fixedly mounted on a pipeline between the spraying device and the settling tank, a rotational flow plate demister is arranged at the top of the spraying device, and a spraying flushing device is arranged at the top of the rotational flow plate demister. According to the utility model, mechanisms such as the sediment box, the sediment extractor, the spraying device and the spraying and flushing device are arranged, so that the problems of blockage of a cleaning liquid spray head, blockage of a demister, blockage of a pipeline and corrosion of the tower when the water scrubber is used as a waste gas cleaning device can be solved, and the practical use effect of the water scrubber is relatively good.

Description

Technical Field

[0001] This utility model relates to the field of water washing tower technology, and more specifically, to a water washing tower cleaning and purification device for waste gas in the chemical industry. Background Technology

[0002] Waste gas generated in chemical production processes is purified by a water scrubbing tower before being processed by subsequent steps to meet emission requirements. As a waste gas cleaning device, the water scrubbing tower often experiences problems such as clogged cleaning liquid nozzles, clogged demisters, clogged pipes, and corrosion of the tower.

[0003] Therefore, there is an urgent need for a waste gas scrubbing tower cleaning and purification device for the chemical industry to solve the above problems. Utility Model Content

[0004] To overcome the aforementioned deficiencies of the prior art, embodiments of this utility model provide a waste gas washing tower cleaning and purification device for the chemical industry. By incorporating a sedimentation tank, a sediment extractor, a spraying device, and a spray rinsing device, this utility model can solve the problems of cleaning liquid nozzle blockage, demister blockage, pipeline blockage, and tower corrosion that occur when using a washing tower as a waste gas cleaning device. This results in better practical performance of this utility model, thus addressing the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste gas scrubbing tower cleaning and purification device for the chemical industry, comprising a sedimentation tank, a sedimentation tank opening provided on one side of the bottom of the sedimentation tank, a sediment extractor provided inside the sedimentation tank, two spray devices connected to one side of the top of the sedimentation tank via pipes, a conveying pump fixedly installed on the pipe between the spray devices and the sedimentation tank, a cyclone demister provided on the top of the spray devices, and a spray rinsing device provided on the top of the cyclone demister.

[0006] In a preferred embodiment, the sedimentation tank is located on one side of the bottom of an external water washing tower.

[0007] In a preferred embodiment, the two spray devices are respectively installed in the middle and at the top of an external water washing tower.

[0008] In a preferred embodiment, the cyclone demister is disposed on the inner side of the top of an externally connected water washing tower.

[0009] In a preferred embodiment, the spray rinsing device is located inside the top of an externally connected water washing tower.

[0010] The technical effects and advantages of this utility model are as follows:

[0011] This invention, by incorporating a sedimentation tank, a sediment extractor, a spraying device, and a spray rinsing device, solves the problems of cleaning liquid nozzle blockage, demister blockage, pipeline blockage, and tower corrosion that occur when using a water washing tower as a waste gas cleaning device, resulting in better practical performance. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] The attached diagram is labeled as follows: 1. Sedimentation tank opening; 2. Sedimentation tank; 3. Transfer pump; 4. Sediment extractor; 5. Cyclone demister; 6. Spray rinsing device; 7. Spray device. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] As attached Figure 1 As shown, this utility model provides a waste gas scrubbing tower cleaning and purification device for the chemical industry, including a sedimentation tank 2. A sedimentation tank opening 1 is provided on one side of the bottom of the sedimentation tank 2. A sediment extractor 4 is provided inside the sedimentation tank 2. Two spray devices 7 are connected to the top side of the sedimentation tank 2 through a pipe. A conveying pump 3 is fixedly installed on the pipe between the spray device 7 and the sedimentation tank 2. A cyclone demister 5 is provided on the top of the spray device 7. A spray flushing device 6 is provided on the top of the cyclone demister 5.

[0016] The sedimentation tank 2 is located on one side of the bottom of the external water washing tower.

[0017] The two spray devices 7 are respectively installed in the middle and top of the external water washing tower.

[0018] The cyclone demister 5 is located on the inner side of the top of the externally connected water washing tower.

[0019] The spray rinsing device 6 is located inside the top of the external water washing tower.

[0020] The specific implementation method is as follows: When using this utility model, the sedimentation tank opening 1 is used for liquid discharge and bottom cleaning. The washing circulating liquid in the sedimentation tank passes through the sedimentation tank 2 to allow acidic substances to crystallize and precipitate, and the upper clear stream is taken into circulation for spraying. The delivery pump 3 is used for circulation spraying. The sediment extractor 4 scrapes the bottom of the tank at intervals to lift up the sediment. The cyclone demister 5 demistes and cleans the exhaust gas. The spray washing device 6 sprays clean water to clean the cyclone demister 5 and dilute the concentration of the circulating liquid. The spray device 7 is used to wash the flue gas. This utility model can solve the problems of cleaning liquid nozzle blockage, demister blockage, pipeline blockage, and tower corrosion that occur when using a water washing tower as a waste gas cleaning device, resulting in better actual use effect of this utility model.

[0021] Working principle of this utility model:

[0022] Refer to the instruction manual appendix Figure 1 When using this utility model, by providing a sedimentation tank 2, a sediment extractor 4, a spray device 7, and a spray rinsing device 6, this utility model can solve the problems of cleaning liquid nozzle blockage, demister blockage, pipeline blockage, and tower corrosion that occur when using a water washing tower as a waste gas cleaning device, resulting in better actual use effect of this utility model.

[0023] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0024] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0025] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waste gas scrubbing tower cleaning and purification device for the chemical industry, comprising a sedimentation tank (2), characterized in that: The sedimentation tank (2) has a sedimentation tank opening (1) on one side of its bottom. The sedimentation tank (2) is equipped with a sediment extractor (4) inside. The sedimentation tank (2) has two spray devices (7) connected to one side of its top via a pipe. A delivery pump (3) is fixedly installed on the pipe between the spray device (7) and the sedimentation tank (2). A cyclone demister (5) is installed on the top of the spray device (7), and a spray rinsing device (6) is installed on the top of the cyclone demister (5).

2. The chemical industry waste gas scrubbing tower cleaning and purification device according to claim 1, characterized in that: The sedimentation tank (2) is located on one side of the bottom of the external water washing tower.

3. The chemical industry waste gas scrubbing tower cleaning and purification device according to claim 1, characterized in that: The two spray devices (7) are respectively installed in the middle and top of the external water washing tower.

4. The chemical industry waste gas scrubbing tower cleaning and purification device according to claim 1, characterized in that: The cyclone demister (5) is located on the inner side of the top of the external water washing tower.

5. The chemical industry waste gas scrubbing tower cleaning and purification device according to claim 1, characterized in that: The spray rinsing device (6) is located inside the top of the external water washing tower.

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