Drying tower for polyaluminum chloride
By combining the stir-frying component with the cooling and air supply component, the contact time between the material and the low-temperature hot air is extended, which solves the problems of material agglomeration and poor drying effect in the polyaluminum chloride drying tower and achieves a highly efficient and stable drying process.
Patent Information
- Application Number
- CN202520487619.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing polyaluminum chloride drying towers are prone to material agglomeration at high temperatures, which affects product performance, and unsuitable hot air temperatures lead to poor drying results.
The material is stir-frying and air distribution components work together. By stirring and slapping the wet material, combined with the S-shaped material channel and low-temperature hot air, the contact time between the material and the hot air is extended to prevent the material from clumping. The air is then cooled by the air distribution component before being delivered to avoid direct high-temperature blowing.
It effectively prevents material agglomeration, improves drying efficiency, ensures the performance stability of polyaluminum chloride, and solves the problem of poor functionality of existing drying towers.
Smart Images

Figure CN223856084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the production technical field of polyaluminium chloride, more specifically, relate to a kind of drying tower for polyaluminium chloride. BACKGROUND
[0002] Polyaluminium chloride is a commonly used inorganic additive, with good flocculation and sedimentation capacity compound, can effectively remove suspended solids, turbidity and organic matter in water, the drying tower of polyaluminium chloride is used to dry polyaluminium chloride into powder or granular product equipment, usually including drying tower body, ventilation assembly and dehumidification assembly several components, from the upper part of drying tower body, lower part is passed into hot air through ventilation assembly, material is dried.
[0003] The existing drying tower for polyaluminium chloride is dried quickly by passing high-temperature hot air, and polyaluminium chloride is a water-soluble substance that will decompose when heated to above 110°C, releasing hydrogen chloride gas, and ultimately decomposing into alumina. The temperature range of an industrial-grade air heater is usually between 50°C and 600°C. If the temperature is too high, the polyaluminium chloride will clog and denature during drying, resulting in a decrease in product performance. In view of this, we propose a drying tower for polyaluminium chloride. SUMMARY
[0004] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a kind of drying tower for polyaluminium chloride, to solve the technical problem of the poor functionality of the existing drying tower for polyaluminium chloride.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a drying tower for polyaluminium chloride, comprising a drying tower body, a frying assembly is arranged in the upper part of the drying tower body, two ends of the lower part of the drying tower body are provided with a material passing channel, and a wind distribution assembly is rotatably installed in the lower part of the drying tower body. The power input ends of the frying assembly and the wind distribution assembly are connected with a driving assembly.
[0006] The frying assembly comprises a filter boat rotatably installed in the drying tower body, first and second separation filters are connected to the two ends and the middle part of the filter boat respectively, and the filter boat is slidably connected to the bottom of the first and second separation filters.
[0007] The material passing channel comprises S-shaped channels fixedly installed at both ends of the lower part of the drying tower body, and the S-shaped channels are provided with a material dropping port on the uphill section of the bend.
[0008] Preferably, the wind distribution assembly comprises a first rotating rod, the first rotating rod is rotatably installed in the drying tower body, a sleeve is fixedly installed outside the first rotating rod, and a plurality of outer pieces are fixedly installed in a circumferentially equidistant array outside the sleeve.
[0009] Preferably, the top of the drying tower is connected with a dehumidifier through a dehumidifying pipe, and the lower air inlet of the drying tower is connected with a hot air machine through an air inlet pipe, and the air outlet of the air inlet pipe is located below the air distribution assembly.
[0010] Preferably, the driving assembly comprises an incomplete gear rotatably installed outside the drying tower, a servo motor connected with a power input end of the incomplete gear, and a first gear and a second gear engaged with the outside of the incomplete gear.
[0011] A second rotating rod is fixedly installed at the axis of the first gear, the second rotating rod penetrates through the drying tower and is fixedly connected with the filter boat, and the second gear is fixedly installed at the end of the first rotating rod.
[0012] Preferably, the first and second separation filter plates are fixedly installed in the drying tower through the mounting frame, and the bottom of the first and second separation filter plates is adapted to the filter boat.
[0013] Compared with the prior art, the drying tower has the advantages that:
[0014] 1、The driving assembly drives the stir-frying assembly and the air distribution assembly to move simultaneously, the stir-frying assembly first stirs and beats the wet material, so that the wet material is not easy to be caked in the drying process, the S-shaped material channel is used to prolong the time of the wet material staying in the drying tower, the wet material is dried by dispersing the wet material and prolonging the contact time of the wet material and the low-temperature hot air, and the air distribution assembly is used to blow the hot air to the wet material after the hot air is cooled, so that the material is prevented from being denatured, and the problem of poor functionality of the existing drying tower for polyaluminum chloride is solved.
[0015] 2、The S-shaped material channel fixedly installed at the lower two ends of the drying tower is used to prolong the residence time of the wet material and prolong the contact time of the wet material and the low-temperature hot air, so that the problem of poor functionality of the existing drying tower for polyaluminum chloride is further solved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a cross-sectional structure schematic view of the utility model;
[0017] Fig. 2 It is a cross-sectional structure schematic view of the utility model;
[0018] Fig. 3 It is a back structure schematic view of the utility model;
[0019] Fig. 4 It is a front structure schematic view of the utility model.
[0020] Explanation of reference numerals in the figure: 1, drying tower body; 2, stir-frying assembly; 3, material passing channel; 4, air distribution assembly; 5, moisture removal pipe; 6, dehumidifier; 7, air inlet pipe; 8, hot air machine; 9, driving assembly;
[0021] 201, mounting bracket; 202, first partition filter; 203, filter boat; 204, second partition filter;
[0022] 301, S-shaped material channel; 302, material falling port;
[0023] 401, first rotating rod; 402, sleeve; 403, outer sheet;
[0024] 901, first gear; 902, incomplete gear; 903, servo motor; 904, second gear; 905, second rotating rod. DETAILED DESCRIPTION
[0025] As Figs. 1 to 4 shown, the utility model relates to a kind of for polyaluminium chloride drying tower, including drying tower body 1, drying tower body 1 upper portion is equipped with stir-frying assembly 2, drying tower body 1 lower two ends are equipped with material passing channel 3, drying tower body 1 lower rotation is equipped with air distribution assembly 4, the power input end of stir-frying assembly 2 and air distribution assembly 4 is all connected with driving assembly 9;
[0026] Stir-frying assembly 2 includes filter boat 203 rotationally installed in drying tower body 1, first partition filter 202 and second partition filter 204 are connected with respectively in two ends and middle part of filter boat 203, filter boat 203 is slidably connected in the bottom of first partition filter 202 and second partition filter 204.
[0027] Material passing channel 3 includes S-shaped material channel 301 fixedly installed in drying tower body 1 lower two ends, S-shaped material channel 301 inflection point upper slope section is equipped with material falling port 302, the utility model drives stir-frying assembly 2 and air distribution assembly 4 action by driving assembly 9 simultaneously, stir-frying assembly 2 first stir-frying, beat, so that it is not easy to cake in drying process, cooperate S-shaped material channel 301, extend the time that wet material stays in drying tower body 1, by dispersing wet material and extending the contact time of wet material and low-temperature hot air to dry wet material, cooperate air distribution assembly 4, so that hot air is blown to wet material after cooling, prevent material denaturation.
[0028] Further, air distribution assembly 4 includes first rotating rod 401, first rotating rod 401 rotationally installed in drying tower body 1, sleeve 402 is fixedly installed outside first rotating rod 401, a plurality of outer sheets 403 are fixedly installed in the form of circumferential equidistant array outside sleeve 402, so that hot air blown by hot air machine 8 through air inlet pipe 7 hits on air distribution assembly 4, and then is indirectly distributed to drying tower body 1 by air distribution assembly 4, to prevent high-temperature hot air from directly blowing wet material.
[0029] Further, the exhaust port at the top of the drying tower 1 is connected with a dehumidifier 6 through an exhaust pipe 5, and the air inlet at the lower part of the drying tower 1 is connected with a hot air blower 8 through an air inlet pipe 7, and the air outlet of the air inlet pipe 7 is located below the air distribution assembly 4, facilitating dehumidification.
[0030] Further, the driving assembly 9 comprises an incomplete gear 902 rotatably installed outside the drying tower 1, the power input end of the incomplete gear 902 is connected with a servo motor 903, and the incomplete gear 902 is externally meshed with a first gear 901 and a second gear 904, facilitating driving.
[0031] The second rotating rod 905 is fixedly installed at the shaft center of the first gear 901 and is fixedly connected with the filter boat 203 through the drying tower 1, and the second gear 904 is fixedly installed at the end of the first rotating rod 401.
[0032] Further, the first partition filter 202 and the second partition filter 204 are fixedly installed in the drying tower 1 through the mounting frame 201, and the bottom of the first partition filter 202 and the second partition filter 204 is adapted to the filter boat 203, facilitating the installation of the first partition filter 202 and the second partition filter 204.
[0033] Working principle: the embodiment provides a drying tower for polyaluminum chloride, when in use, the utility model discloses a driving assembly 9 simultaneously drives the stir-frying assembly 2 and the air distribution component 4 to act, the stir-frying assembly 2 first stir-fries, beats, so that it is not easy to cake in the drying process, cooperate S-shaped material channel 301, prolong the time of wet material in the drying tower body 1, through the contact time of wet material and low-temperature hot air to dry wet material, cooperate air distribution component 4, make hot air after cooling again blow to wet material, prevent material denaturation, the wet material is from the top feed hopper and is thrown into the drying tower body 1, falls on the filter boat 203, the outside power supply supplies power and opens the servo motor 903 through the outside switch, the servo motor 903 controls the incomplete gear 902 rotation, the incomplete gear 902 simultaneously drives the first gear 901 and the second gear 904 intermittent rotation along the arc, the filter boat 203 and air distribution component 4 intermittent rotation along the arc, when the filter boat 203 rotates along the arc, the internal wet material beats on the first separation filter disc 202 and the second separation filter disc 204, when the filter boat 203 stops rotating, the filter boat 203 resets, the internal wet material is beaten in reverse, and the material will leak from the filter hole, when the material leaks on the S-shaped material channel 301 of double ends, since the S-shaped material channel 301 is opened with the material drop opening 302 on the uphill section of the bend, when the material slides along the S-shaped material channel 301, meets the material drop opening 302 and falls to the next layer and continues to slide, until sliding to the bottom, the contact time of wet material and low-temperature hot air is prolonged to dry wet material, the air distribution component 4 intermittent rotation can make the material on it be quickly thrown to the end, and also can make the hot air of the air heater 8 blow into the hot air of the air heater 8 through the air inlet pipe 7 and hit on the air distribution component 4, then be indirectly distributed to the drying tower body 1 by the air distribution component 4, prevent high-temperature hot air from blowing wet material (the dehumidifier 6, the air heater 8 and the servo motor 903 are all existing products on the market and are connected with the external switch and the outside power supply).
[0034] The embodiment of the utility model discloses a preferable embodiment, but is not limited to this, ordinary skilled in the art, easily understand the spirit of the utility model according to the above embodiment, and make different inferences and changes, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A drying column for polymerized aluminum chloride, characterized by, Including dry tower body (1), the upper part is equipped with stir-frying assembly (2) in dry tower body (1), the lower two ends are installed with pass material channel (3) in dry tower body (1), the lower rotation is installed with cloth wind assembly (4) in dry tower body (1), the power input end of stir-frying assembly (2) and cloth wind assembly (4) is connected with drive assembly (9); The stir-frying assembly (2) includes a filter boat (203) rotatably installed in the drying tower body (1), the filter boat (203) is connected with a first partition filter (202) and a second partition filter (204) at both ends and the middle portion respectively, and the filter boat (203) is slidingly connected at the bottom of the first partition filter (202) and the second partition filter (204). The pass material channel (3) includes S-shaped material channels (301) fixedly installed at the lower two ends of the drying tower body (1), and the S-shaped material channels (301) are provided with discharge openings (302) on the uphill sections of the turning portions.
2. A drying column for polymerized aluminum chloride according to claim 1, characterized in that, The cloth wind assembly (4) includes a first rotating shaft (401) rotatably installed in the drying tower body (1), a sleeve (402) fixedly installed outside the first rotating shaft (401), and a plurality of outer pieces (403) fixedly installed outside the sleeve (402) in a circumferential equidistant array.
3. A drying column for polymerized aluminum chloride according to claim 2, characterized in that, The drying tower body (1) is connected with a dehumidifier (6) through a dehumidifying pipe (5) at the top, and is connected with a hot air machine (8) through an air inlet pipe (7) at the lower part, and the air outlet of the air inlet pipe (7) is located below the cloth wind assembly (4).
4. A drying column for polymerized aluminum chloride according to claim 3, characterized in that, The drive assembly (9) includes an incomplete gear (902) rotatably installed outside the drying tower body (1), a servo motor (903) connected to the power input end of the incomplete gear (902), and a first gear (901) and a second gear (904) meshingly connected outside the incomplete gear (902). The first gear (901) is fixedly installed with a second rotating shaft (905) at the shaft center, the second rotating shaft (905) penetrates through the drying tower body (1) and is fixedly connected to the filter boat (203), and the second gear (904) is fixedly installed at the end of the first rotating shaft (401).
5. A drying column for polymerized aluminum chloride according to claim 1, characterized in that, The first partition filter (202) and the second partition filter (204) are fixedly installed in the drying tower body (1) through the mounting bracket (201), and the bottoms of the first partition filter (202) and the second partition filter (204) are adapted to the inside of the filter boat (203).