Washing device for aluminum fluoride

By using a plugging component in the aluminum fluoride tail gas scrubbing device, the problem of insufficient gas-liquid contact caused by excessive liquid level was solved, achieving full contact between tail gas and scrubbing water, and improving scrubbing efficiency and pollutant absorption effect.

CN224252431UActive Publication Date: 2026-05-19ZIBO NANHAN CHEM IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZIBO NANHAN CHEM IND CO LTD
Filing Date
2025-06-09
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In existing aluminum fluoride tail gas scrubbing devices, water accumulates continuously in the scrubbing chamber during the scrubbing process, resulting in an excessively high liquid level. This affects the normal contact and reaction between the tail gas and the scrubbing water, reducing scrubbing efficiency.

Method used

The system employs a blocking assembly, including a blocking column, slider, fixed rod, connecting shaft, connecting rod, and moving disc, to prevent water from entering the washing chamber when the water level reaches a certain volume. This ensures that the exhaust gas and washing water are in full contact, enhancing the gas-liquid contact effect.

Benefits of technology

It improves the pollutant absorption efficiency of aluminum fluoride tail gas scrubbing, enhances the overall scrubbing effect, and avoids the problems of reduced gas-liquid contact area and uneven distribution caused by excessive liquid level.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of aluminum fluoride washing, in particular to a washing device for aluminum fluoride, which comprises a washing bin, a water inlet pipe is fixedly connected in the washing bin, a plugging assembly is arranged in the water inlet pipe, and the plugging assembly comprises a plugging column arranged in the water inlet pipe. A sliding block is fixedly connected to the side wall of the blocking column, a limiting groove is formed in the inner side wall of the water inlet pipe, and by means of the blocking assembly, when water in the washing bin reaches a certain volume, the water in the water inlet pipe cannot be sprayed into the washing bin any more; the problems that the gas-liquid contact area is reduced, gas distribution is uneven and the like due to the fact that the liquid level is too high are solved through cooperative arrangement of a blocking column, a fixing rod, a connecting shaft, a connecting rod, a limiting barrel and a movable disc, tail gas can make full contact with washing water according to a designed path, the effectiveness of gas-liquid contact is improved, and therefore the absorption efficiency of pollutants is improved; the overall washing effect is improved.
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Description

Technical Field

[0001] This utility model relates to the field of aluminum fluoride washing technology, and in particular to a washing device for aluminum fluoride. Background Technology

[0002] In today's industrial production, aluminum fluoride is an important chemical raw material widely used in many industries. However, if the exhaust gases generated during its production are not properly treated, they can not only cause serious environmental pollution but also endanger the health of operators. Therefore, developing efficient and reliable aluminum fluoride exhaust gas scrubbing devices has become a critical issue that the chemical industry urgently needs to address.

[0003] An aluminum fluoride tail gas scrubbing device, authorized under publication number CN220860987U, is described. This device includes a scrubbing chamber. Aluminum fluoride tail gas enters the scrubbing chamber through a tail gas inlet pipe, and water is introduced into the scrubbing chamber through a water inlet pipe to scrub the tail gas. The scrubbing liquid then enters a hydrocyclone. After processing by the hydrocyclone, the liquid enters a filter chamber through a second connecting pipe and is filtered by a screen. Solid materials are recovered from the first and second recovery pipes into a recovery chamber. A bottom screen is installed at the bottom of the recovery tank within the recovery chamber, allowing for further filtration of the solid materials. The tail gas scrubbing liquid, after solid-liquid separation, can be effectively recovered. Both liquid and solid components can be effectively treated, ensuring the effectiveness of tail gas treatment.

[0004] Regarding the aforementioned related technologies, the existing aluminum fluoride exhaust gas scrubbing device has the following drawback: as water accumulates in the scrubbing chamber during the scrubbing process, the liquid level in the scrubbing chamber becomes too high, affecting the normal contact reaction between the exhaust gas and the scrubbing water and reducing the scrubbing efficiency. Therefore, this utility model provides a scrubbing device for aluminum fluoride. Utility Model Content

[0005] The purpose of this application is to provide a washing device for aluminum fluoride to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution:

[0007] A washing device for aluminum fluoride includes a washing chamber with a water inlet pipe fixedly connected inside. A sealing assembly is installed inside the water inlet pipe, comprising a blocking column disposed inside the water inlet pipe, a slider fixedly connected to the side wall of the blocking column, a limiting groove formed in the inner side wall of the water inlet pipe, the slider sliding within the limiting groove, a fixing rod fixedly connected to the side wall of the blocking column, a connecting shaft rotatably connected to the side wall of the fixing rod, a connecting rod rotatably connected to the side wall of the connecting shaft, and a movable disk fixedly connected to one end of the connecting rod.

[0008] Preferably, a limiting cylinder is fixedly connected to the inner bottom wall of the washing chamber, the movable disk slides inside the limiting cylinder, the connecting rod passes through the limiting cylinder and slides on the side wall of the limiting cylinder, and the side wall of the limiting cylinder has a hole.

[0009] Preferably, the side wall of the washing chamber is fixedly connected to a vent pipe, and the bottom of the washing chamber is fixedly connected to a connecting pipe.

[0010] Preferably, a separation chamber is fixedly connected to the bottom of the washing chamber, and an auger housing is fixedly connected to one end of the connecting pipe, with the auger housing inside the separation chamber.

[0011] Preferably, a rotating column is provided inside the auger shell, and auger blades are fixedly connected to the side wall of the rotating column. Filter holes are opened on the surface of the auger blades.

[0012] Preferably, the auger housing is inclined, and a first feed pipe is fixedly connected to the lower end of the auger housing. One end of the first feed pipe is fixedly connected to a liquid chamber, and a filter screen is provided inside the liquid chamber.

[0013] Preferably, the higher end of the auger shell is fixedly connected to a second feed pipe, and one end of the second feed pipe is fixedly connected to a solids bin.

[0014] In summary, the technical effects and advantages of this utility model are as follows:

[0015] By utilizing a sealing component, when the water in the washing chamber reaches a certain volume, water from the inlet pipe can be prevented from spraying into the washing chamber. The coordinated design of the blocking column, fixing rod, connecting shaft, connecting rod, limiting cylinder, and moving plate avoids problems such as reduced gas-liquid contact area and uneven gas distribution caused by excessive liquid level. This allows the exhaust gas to fully contact the washing water along the designed path, increasing the effectiveness of gas-liquid contact, thereby improving the absorption efficiency of pollutants and enhancing the overall washing effect. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a first-view axial side view of the structure of this utility model;

[0018] Figure 2This is a schematic diagram of the water inlet pipe of this utility model;

[0019] Figure 3 This is a schematic diagram of the blocking column of this utility model;

[0020] Figure 4 This is a schematic diagram of the rotating column of this utility model.

[0021] In the diagram: 1. Washing chamber; 2. Water inlet pipe; 3. Vent pipe; 4. Separation chamber; 5. Filter screen; 6. Connecting pipe; 7. Screwdriver housing; 8. Liquid chamber; 9. Solid chamber; 10. Limiting cylinder; 11. Blocking column; 12. Limiting groove; 13. Sliding block; 14. Connecting shaft; 15. Connecting rod; 16. Moving disc; 17. Fixed rod; 18. First guide pipe; 19. Second guide pipe; 20. Rotating column; 21. Screwdriver blades. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Example 1: Reference Figure 1-4A washing device for aluminum fluoride is shown, comprising a washing chamber 1 for containing aluminum fluoride exhaust gas and performing washing operations. A water inlet pipe 2 is fixedly connected inside the washing chamber 1, introducing washing water into the washing chamber 1. A blocking assembly is installed inside the water inlet pipe 2 to prevent washing water from continuing to flow into the washing chamber 1 under certain conditions. The blocking assembly includes a blocking column 11 disposed inside the water inlet pipe 2, which blocks the water flow channel of the water inlet pipe 2 during operation, thus achieving a water stop effect. A slider 13 is fixedly connected to the side wall of the blocking column 11, and the slider 13 moves synchronously with the blocking column 11. A limiting groove 12 is formed in the inner side wall of the water inlet pipe 2, which limits the slider 13, ensuring that the slider 13 can only slide in the direction defined by the limiting groove 12, thereby ensuring the stability and accuracy of the movement of the blocking column 11. The slider 13 slides inside the limiting groove 12. A fixed rod 17 is fixedly connected to the side wall of the blocking column 11. The fixed rod 17 moves with the blocking column 11 and is used to connect other components to transmit power. A connecting shaft 14 is rotatably connected to the side wall of the fixed rod 17. The connecting shaft 14 can rotate on the fixed rod 17, which serves to change the direction of force transmission and provide flexible connection. A connecting rod 15 is rotatably connected to the side wall of the connecting shaft 14. The connecting rod 15 is used to transmit the movement of the connecting shaft 14 to other components. A movable disc 16 is fixedly connected to one end of the connecting rod 15. The movable disc 16 can move up and down in the washing chamber 1 as the washing water level changes. Its movement drives the connecting rod 15, the connecting shaft 14, and the fixed rod 17 to move, ultimately causing the blocking column 11 to move and block the water inlet pipe 2.

[0025] Example 2: Reference Figure 1-4Based on the same concept as in Embodiment 1 above, this embodiment further proposes that a limiting cylinder 10 is fixedly connected to the inner bottom wall of the washing chamber 1. The limiting cylinder 10 is used to restrict the movement trajectory of the moving disk 16, so that the moving disk 16 can only slide up and down inside the limiting cylinder 10, ensuring its movement stability and thus ensuring the accuracy of the sealing component's operation. The moving disk 16 slides inside the limiting cylinder 10, transmitting liquid level change information through its own up and down movement to control the sealing component. The connecting rod 15 passes through the limiting cylinder 10 and slides on the side wall of the limiting cylinder 10. The side wall of the limiting cylinder 10 has a hole, which provides space for the sliding of the connecting rod 15, and the connecting rod 15 transmits the movement of the moving disk 16 to the connecting shaft 14 by sliding through the hole. A vent pipe 3 is fixedly connected to the side wall of the washing chamber 1. The vent pipe 3 is used to introduce aluminum fluoride exhaust gas into the washing chamber 1 for subsequent washing treatment. A connecting pipe 6 is fixedly connected to the bottom of the washing chamber 1. The connecting pipe 6 is used to transport the solid-liquid mixture formed after washing in the washing chamber 1 to the subsequent separation equipment. A separation chamber 4 is fixedly connected to the bottom of the washing chamber 1. The separation chamber 4 is used to accommodate the subsequent solid-liquid separation device and provide space for solid-liquid separation. An auger housing 7 is fixedly connected to one end of the connecting pipe 6. The auger housing 7 is the outer shell of the solid-liquid separation device, used to protect the internal rotating parts and guide the flow of the solid-liquid mixture. The auger housing 7 is inside the separation chamber 4. A rotating column 20 is set inside the auger housing 7. The rotating column 20 is a power transmission component. Driven by an external power source, it rotates, driving the auger blades 21 to rotate. The auger blades 21 are fixedly connected to the side wall of the rotating column 20. The auger blades 21 rotate with the rotating column 20. During the rotation, the auger blades 21 push the solid-liquid mixture to move inside the auger housing 7, and at the same time, the filter holes opened on its surface realize the initial solid-liquid separation. The auger blades 21 have filter holes on their surface. These holes allow liquid to pass through under the pressure of gravity and the rotation of the auger blades 21, while solids are blocked and continue to move under the push of the auger blades 21. The auger housing 7 is inclined, which helps to use gravity to assist in solid-liquid separation, making it easier for liquid to flow to the lower end and solids to move to the higher end. A first feed pipe 18 is fixedly connected to the lower end of the auger housing 7. The first feed pipe 18 is used to guide the liquid initially separated in the auger housing 7 to the liquid tank 8. One end of the first feed pipe 18 is fixedly connected to the liquid tank 8. The liquid tank 8 is used to collect the liquid after initial separation, and a filter screen 5 is installed inside the liquid tank 8 to perform secondary filtration on the collected liquid, further improving the purity of the liquid. A filter screen 5 is installed inside the liquid tank 8. A second feed pipe 19 is fixedly connected to the higher end of the auger housing 7. The second feed pipe 19 is used to guide the solids separated in the auger housing 7 to the solids tank 9. One end of the second feed pipe 19 is fixedly connected to a connected solids bin 9, which is used to store the separated solids for subsequent processing.

[0026] The working principle of this device is as follows: When using this device, the operator first introduces aluminum fluoride exhaust gas into the washing chamber 1 through the vent pipe 3, adds water into the water inlet pipe 2, and allows the water to enter the washing chamber 1 through multiple small holes, so that the water is evenly distributed in the washing chamber 1 in an atomized state. When there is too much water in the washing chamber 1, the water will lift the moving plate 16 in the limiting cylinder 10 due to buoyancy. The moving plate 16 moves and moves the fixed rod 17 horizontally through the connecting shaft 14, so that the blocking column 11 is submerged in the small hole of the water inlet pipe 2 and no more water will come out. After washing, the solid-liquid mixture goes through the connecting pipe 6 to the auger housing 7. The auger housing 7 is set at an inclination. Due to the filter holes set on the auger blades 21, the liquid will pass through the auger blades 21 and fall into the liquid chamber 8 by gravity from the first feed pipe 18 and be filtered again by the filter screen 5 for collection. The solids fall into the solid chamber 9 from the second feed pipe 19 for collection.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 washing device for aluminum fluoride, comprising a washing chamber (1), characterized in that: The washing chamber (1) is fixedly connected to a water inlet pipe (2). A sealing assembly is provided inside the water inlet pipe (2). The sealing assembly includes a blocking column (11) inside the water inlet pipe (2). A slider (13) is fixedly connected to the side wall of the blocking column (11). A limiting groove (12) is opened on the inner side wall of the water inlet pipe (2). The slider (13) slides inside the limiting groove (12). A fixing rod (17) is fixedly connected to the side wall of the blocking column (11). A connecting shaft (14) is rotatably connected to the side wall of the fixing rod (17). A connecting rod (15) is rotatably connected to the side wall of the connecting shaft (14). A movable disk (16) is fixedly connected to one end of the connecting rod (15).

2. The washing device for aluminum fluoride according to claim 1, characterized in that: The washing chamber (1) is fixedly connected to the bottom wall of the inner wall of the limiting cylinder (10). The moving disk (16) slides inside the limiting cylinder (10). The connecting rod (15) passes through the limiting cylinder (10). The connecting rod (15) slides on the side wall of the limiting cylinder (10). The side wall of the limiting cylinder (10) has holes.

3. A washing device for aluminum fluoride according to claim 2, characterized in that: The side wall of the washing chamber (1) is fixedly connected to a vent pipe (3), and the bottom of the washing chamber (1) is fixedly connected to a connecting pipe (6).

4. A washing device for aluminum fluoride according to claim 3, characterized in that: The bottom of the washing chamber (1) is fixedly connected to the separation chamber (4), and one end of the connecting pipe (6) is fixedly connected to the auger shell (7), which is inside the separation chamber (4).

5. A washing device for aluminum fluoride according to claim 4, characterized in that: The auger housing (7) has a rotating column (20) inside, and the auger blades (21) are fixedly connected to the side wall of the rotating column (20). The auger blades (21) have filter holes on their surface.

6. A washing device for aluminum fluoride according to claim 5, characterized in that: The auger housing (7) is inclined, and a first feed pipe (18) is fixedly connected to the lower end of the auger housing (7). One end of the first feed pipe (18) is fixedly connected to a liquid tank (8), and a filter screen (5) is provided inside the liquid tank (8).

7. A washing device for aluminum fluoride according to claim 6, characterized in that: The auger shell (7) is fixedly connected to a second guide pipe (19) at one of its higher ends, and a solid hopper (9) is fixedly connected to one end of the second guide pipe (19).