Acid mist suction device for aluminum chloride preparation drying equipment
By using a detachable breathable storage cylinder and a porous breathable plate structure in the acid mist absorption device, the problems of inconvenient replacement and corrosion of the sodium hydroxide layer in the existing device are solved, achieving convenient replacement and improved safety.
Patent Information
- Application Number
- CN202423155858.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing acid mist absorption devices require periodic disassembly and cleaning of the cylinder, which poses health risks to personnel and causes corrosion of the device. Furthermore, the liquid generated by the reaction of the sodium hydroxide layer with the acid mist affects the structure of the device.
An acid mist absorption device was designed, which uses a detachable, breathable storage cylinder to store solid sodium hydroxide. By utilizing a porous breathable plate and a sealing structure, the device enables convenient replacement of the solid sodium hydroxide and effective discharge of the reaction liquid, thus avoiding corrosion inside the cylinder.
This technology enables convenient replacement of solid sodium hydroxide, reduces the risk of poisoning, extends the service life of the equipment, prevents corrosion of the internal structure, and improves safety and reliability.
Smart Images

Figure CN223555812U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to acid mist suction device field, concretely for a kind of acid mist suction device for aluminium chloride preparation drying equipment. BACKGROUND
[0002] Aluminium chloride, in modern chemical industry, frontier metallurgical technology innovation and fine pharmaceutical process and many key fields, it occupies the pivotal position, plays irreplaceable key role, aluminium chloride synthesis process needs to use hydrochloric acid as reactant, hydrochloric acid has strong volatility, gaseous hydrochloric acid is strong, needs to use acid mist absorption device to handle volatile acid mist.
[0003] Prior art discloses an acid mist absorption device (grant announcement number: CN220633719U), including cylinder, cylinder middle part position is provided with cross-shaped air distribution pipe, cross-shaped air distribution pipe upper portion is provided with porous plate, and the solid sodium hydroxide layer is set on the porous plate, and the detachable top cover is set on the solid sodium hydroxide layer upper portion, and the detachable top cover middle part position is provided with the exhaust port being connected with cylinder inside.
[0004] However, the device needs to be opened regularly by staff to clean and replace the solid sodium hydroxide layer in the cylinder, the cylinder space is relatively large, part of acid mist is left therein, which is relatively strong, and can cause adverse effects on the health of personnel, and sodium hydroxide and sodium chloride aqueous solution can be generated in the reaction process of the solid sodium hydroxide layer in the cylinder and acid mist, which can drip through the porous plate to each structure in the cylinder and corrode and other effects, and the practicability is relatively low. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of acid mist suction device for aluminium chloride preparation drying equipment to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of acid mist suction device for aluminium chloride preparation drying equipment, including suction device cylinder and outlet pipe, the outlet pipe is installed with gas valve, and the other end of gas valve is connected with connecting pipe, and the other end of connecting pipe is connected with the connecting head on tank body, and the tank body is installed with cover plate, and the cover plate is provided with porous air-permeable plate;
[0007] Air-permeable storage cylinder is provided with sodium hydroxide solid in the air-permeable storage cylinder.
[0008] Preferably, the suction device cylinder is fixedly connected with outlet pipe, one end of outlet pipe is installed with gas valve, the other end of gas valve is installed with connecting pipe, the other end of connecting pipe is fixedly connected with acid-resistant sealing ring on end face, and the acid-resistant sealing ring is annular plate structure.
[0009] Preferably, the porous air-permeable plate is in an arc-shaped plate structure, the porous air-permeable plate is fixedly connected with the cover plate, the cover plate is fixedly connected with a rubber pad in the form of a ring-shaped plate structure, and the rubber pad is in contact with the end surface of the air-permeable storage cylinder.
[0010] Preferably, the sodium hydroxide solid is placed in the air-permeable storage cylinder, the air-permeable storage cylinder is installed in the tank body, a plurality of air-permeable holes are formed in the air-permeable storage cylinder, the air-permeable storage cylinder is in contact with the support column, and the pull block is fixedly connected to the inner side surface of the air-permeable storage cylinder.
[0011] Preferably, the connecting head is fixedly connected with the tank body, the tank body is provided with a cover plate, and the cover plate is fixedly connected with an elastic buckle, one end of the elastic buckle being clamped on the end surface of the tank body.
[0012] Preferably, the suction device cylinder is fixedly connected with a liquid discharge pipe, an air inlet pipe and an air outlet pipe, and the air outlet pipe is provided with an air valve.
[0013] Preferably, the support column is in a cylindrical structure, the support column is arranged in the tank body, and the support column is fixedly connected with the tank body.
[0014] Compared with the prior art, the device has the advantages that:
[0015] The acid mist suction device for the aluminum chloride preparation drying equipment provided by the device can be disassembled from the tank body by closing the air valve, disassembling the connecting head and the tank body from the connecting pipe and taking off the cover plate from the tank body, the air-permeable storage cylinder in the tank body can be disassembled, the sodium hydroxide solid in the air-permeable storage cylinder can be replaced, the structure is simple, the sodium hydroxide solid can be replaced without disassembling the suction device cylinder, the risk of poisoning of personnel is reduced, the liquid generated by the reaction of the sodium hydroxide solid and hydrochloric acid can directly flow into the outside through the micropores on the porous air-permeable plate, the liquid cannot flow into the suction device cylinder to affect the structure therein, the service life of the device is improved, the cover plate can be disassembled for cleaning, and the actual use of personnel is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a device structure schematic view of the device;
[0017] Figure 2 It is a device local structure schematic view of the device;
[0018] Figure 3 It is Figure 2 It is an enlarged structure schematic view of position A in the device;
[0019] Figure 4 It is a device partial structure schematic view of the device;
[0020] Figure 5 It is a device partial structure cross-sectional schematic view of the device;
[0021] Figure 6 For Figure 5 Amplification structure schematic view at B;
[0022] Figure 7 For Figure 5 Amplification structure schematic view at C;
[0023] Figure 8 It is internal schematic view of part structure of the device.
[0024] In the figure: 1, suction device cylinder; 2, liquid discharge pipe; 3, air inlet pipe; 4, air outlet pipe; 5, air valve; 6, connecting pipe; 7, acid-resistant sealing ring; 8, connecting head; 9, tank; 10, cover plate; 11, elastic buckle;
[0025] 12, porous air-permeable plate; 13, rubber pad; 14, air-permeable storage cylinder; 15, pull block; 16, sodium hydroxide solid; 17, support column. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme of the utility model to carry out clearly, completely describe, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, is used to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belongs to the scope of the protection of the utility model.
[0027] Example one
[0028] Please refer to Figures 1-8 The utility model provides a kind of technical scheme: a kind of acid mist suction device for aluminium chloride preparation drying equipment, including suction device cylinder 1 and air outlet pipe 4, air outlet pipe 4 is equipped with air valve 5, air valve 5 other end is connected with connecting pipe 6, connecting pipe 6 other end is connected with the connecting head 8 on tank 9, tank 9 is equipped with cover plate 10, cover plate 10 is provided with porous air-permeable plate 12;Air-permeable storage cylinder 14, air-permeable storage cylinder 14 is provided with sodium hydroxide solid 16 in it;
[0029] Specific use, acid mist enters suction device cylinder 1 in air inlet pipe 3, most in acid mist is absorbed by liquid that is sprayed by the spraying device in suction device cylinder 1, liquid that absorbs acid mist is discharged via liquid discharge pipe 2, hydrochloric acid gas places sodium hydroxide solid 16 in air-permeable storage cylinder 14, and air-permeable storage cylinder 14 is installed in tank 9, by sodium hydroxide solid 16 can neutralize the residual hydrochloric acid gas in gas.
[0030] Example Two
[0031] In order to improve the use effect of the device on the basis of example one, the suction device cylinder 1 is provided with an air outlet pipe 4, one end of the air outlet pipe 4 is provided with an air valve 5, the other end of the air valve 5 is provided with a connecting pipe 6, the other end of the connecting pipe 6 is fixedly connected with an acid-resistant sealing ring 7, the acid-resistant sealing ring 7 is in the form of an annular plate, and the connecting pipe 6 is provided with a thread at one end where the acid-resistant sealing ring 7 is fixedly connected, which can be screwed with the connecting head 8 on the tank 9, and the acid-resistant sealing ring 7 is in contact with the connecting head 8, which can improve the sealing between the connecting head 8 and the connecting pipe 6;
[0032] The porous air permeable plate 12 is in the form of an arc-shaped plate, and the porous air permeable plate 12 is fixedly connected with the cover plate 10, the cover plate 10 is fixedly connected with a rubber pad 13, the rubber pad 13 is in the form of an annular plate, and the rubber pad 13 is in contact with the end face of the air permeable storage cylinder 14, and the sodium hydroxide solid 16 can react with hydrochloric acid in the gas, and the reacted gas can be discharged from the micropores of the porous air permeable plate 12, and when the cover plate 10 is installed on the tank 9, the rubber pad 13 fixedly connected with the cover plate 10 is in contact with the end face of the tank 9 and the air permeable storage cylinder 14, which can effectively improve the sealing between the cover plate 10 and the tank 9;
[0033] The support column 17 is in the form of a cylinder, and the support column 17 is arranged in the tank 9, the support column 17 is fixedly connected with the tank 9, and the support column 17 is in contact with the side of the air permeable storage cylinder 14 where the air permeable micropores are arranged, and the side of the air permeable storage cylinder 14 where the air permeable micropores are arranged is left with a certain gap from the inner side of the tank 9, so that the hydrochloric acid in the gas flowing into the tank 9 through the connecting head 8 can fully contact and react with the sodium hydroxide solid 16 in the air permeable storage cylinder 14, thereby improving the use effect of the device.
[0034] Example Three
[0035] In order to facilitate the actual use of the suction device cylinder 1 by personnel on the basis of example two, the suction device cylinder 1 is fixedly connected with the liquid discharge pipe 2, the air inlet pipe 3 and the air outlet pipe 4, and the air outlet pipe 4 is provided with the air valve 5, so that the workers can close the air valve 5 to prevent the remaining gas in the suction device cylinder 1 from continuing to flow into the connecting pipe 6;
[0036] The connecting head 8 is fixedly connected with the tank body 9, the tank body 9 is provided with a cover plate 10, the cover plate 10 is fixedly connected with an elastic buckle 11, one end of the elastic buckle 11 is clamped on the end surface of the tank body 9, and after a period of time, the tank body 9 and the connecting head 8 are rotated, the connecting head 8 and the tank body 9 are rotated out, the connecting head 8 is disassembled, the sodium hydroxide solid 16 is placed in the breathable storage cylinder 14, the breathable storage cylinder 14 is installed in the tank body 9, a plurality of breathable holes are formed in the breathable storage cylinder 14, and the breathable storage cylinder 14 is in contact with the supporting column 17, the inside of the breathable storage cylinder 14 is fixedly connected with a pull block 15, the staff can pull the elastic buckle 11, the protruding part of the elastic buckle 11 is separated from the end surface of the tank body 9, the locking of the cover plate 10 is released, the cover plate 10 can be taken off, the staff can pull the pull block 15 on the breathable storage cylinder 14, the breathable storage cylinder 14 is taken out of the tank body 9, the sodium hydroxide solid 16 in the breathable storage cylinder 14 can be replaced, through the above cooperation, by installing the breathable storage cylinder 14 containing the sodium hydroxide solid 16 outside the suction device cylinder body 1, the water-soluble sodium chloride and water-soluble sodium hydroxide generated in the reaction process of the sodium hydroxide solid 16 and hydrochloric acid can be prevented from dropping on the cross-shaped air distribution pipe in the suction device cylinder body 1 and corroding the device, and the service life of the device is improved.
[0037] In actual use, by closing the air valve 5, disassembling the connecting head 8 and the tank body 9 from the connecting pipe 6, and taking off the cover plate 10 from the tank body 9, the breathable storage cylinder 14 in the tank body 9 can be disassembled, the sodium hydroxide solid 16 in the breathable storage cylinder 14 can be replaced, the structure is simple, the sodium hydroxide solid 16 can be replaced without disassembling the suction device cylinder body 1, the risk of poisoning of personnel is reduced, the liquid generated by the reaction of the sodium hydroxide solid 16 and hydrochloric acid can directly flow into the outside through the micropores on the porous breathable plate 12, and cannot flow into the suction device cylinder body 1 to affect the structure therein, the service life of the device is improved, the cover plate 10 can be disassembled and cleaned, and the actual use of personnel is facilitated.
[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An acid mist suction device for a dry equipment for the production of aluminum chloride, comprising a suction device cylinder (1) and an air outlet pipe (4), characterized in that: The air outlet pipe (4) is provided with an air valve (5), the other end of the air valve (5) is connected with a connecting pipe (6), the other end of the connecting pipe (6) is connected with a connecting head (8) on the tank body (9), the tank body (9) is provided with a cover plate (10), and the cover plate (10) is provided with a porous air permeable plate (12). The gas-permeable storage cylinder (14) is provided with sodium hydroxide solids (16) inside.
2. The acid mist suction device for the dry equipment of aluminum chloride preparation according to claim 1, characterized in that: The air outlet pipe (4) is fixedly connected to the suction device cylinder (1), one end of the air outlet pipe (4) is provided with an air valve (5), the other end of the air valve (5) is provided with a connecting pipe (6), the other end of the connecting pipe (6) is fixedly connected with an acid-resistant sealing ring (7), and the acid-resistant sealing ring (7) is in the form of an annular plate.
3. The acid mist suction device for the dry equipment of aluminum chloride preparation according to claim 1, characterized in that: The porous air permeable plate (12) is in the form of an arc-shaped plate, and is fixedly connected with the cover plate (10).
4. The acid mist suction device for the dry equipment of aluminum chloride preparation according to claim 1, characterized in that: The sodium hydroxide solids (16) are placed in the gas-permeable storage cylinder (14), the gas-permeable storage cylinder (14) is installed in the tank body (9), a plurality of gas-permeable holes are formed in the gas-permeable storage cylinder (14), the gas-permeable storage cylinder (14) is in contact with the support column (17), and the pull block (15) is fixedly connected to the inner side of the gas-permeable storage cylinder (14).
5. The acid mist suction device for the dry equipment of aluminum chloride preparation according to claim 1, characterized in that: The connecting head (8) is fixedly connected with the tank body (9), the tank body (9) is provided with a cover plate (10), the cover plate (10) is fixedly connected with an elastic buckle (11), and one end of the elastic buckle (11) is clamped on the end face of the tank body (9).
6. The acid mist suction device for the aluminum chloride production drying equipment according to claim 1, characterized in that: The air outlet pipe (4) is fixedly connected to the suction device cylinder (1), one end of the air outlet pipe (4) is provided with an air valve (5), the other end of the air valve (5) is provided with a connecting pipe (6), the other end of the connecting pipe (6) is fixedly connected with an acid-resistant sealing ring (7), and the acid-resistant sealing ring (7) is in the form of an annular plate.
7. The acid mist suction device for the dry equipment of aluminum chloride preparation according to claim 4, characterized in that: The support column (17) is in the form of a cylinder, and is arranged in the tank body (9).
Citation Information
Patent Citations
Acid mist absorption device
CN220633719U