A vacuum drying system for manufacturing a solid chloroaluminum sol
By adopting a horizontal drying cylinder, diamond-shaped rake teeth and rake shoes design, as well as an auxiliary electric heating grid and recovery mechanism in the vacuum drying system, the problems of poor stirring effect and material loss in vacuum rake dryers when drying solution materials are solved, and hydrochloric acid recovery and resource recycling are realized.
Patent Information
- Application Number
- CN202423232089.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing vacuum rake dryers suffer from poor stirring and significant material loss when drying solution materials, especially in the preparation of solid aluminum chloride sol, where aluminum chloride is easily lost and hydrochloric acid cannot be recovered.
It adopts a horizontal drying cylinder, diamond-shaped rake teeth and rake shoes design, combined with an auxiliary electric heating network to reheat water vapor in the exhaust pipe, and recovers hydrochloric acid solution through a recovery mechanism, including the combined use of a shower box and a water bath box.
It effectively reduces stirring resistance, prevents material loss, and enables the recovery and reuse of hydrochloric acid, thereby improving drying efficiency and resource recycling.
Smart Images
Figure CN223580417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drying machine technical field, especially in manufacturing solid chlorine base aluminium solvacuum drying system of alumina. BACKGROUND
[0002] The vacuum rake type drying machine in the prior art is an equipment that uses steam jacket to indirectly heat materials and exhausts under high vacuum, and is usually used for drying materials in paste, paste, granular and powder forms. However, it is not suitable for solution materials. Firstly, the solution will be gathered without gap at the bottom under the action of molecular attraction and gravity, which increases stirring resistance and results in poor stirring effect. Moreover, liquid droplets carried by the rake teeth end will be taken away and discharged by water vapor generated by solution evaporation when passing through the exhaust pipe, causing material loss. Secondly, steam generated by water evaporation will take away part of the solution and form water vapor, which is discharged through the exhaust pipe, causing material loss. For example, when preparing solid chlorine base aluminium sol, hydrochloric acid solution is neutralized with aluminium hydroxide crystals to obtain aluminium chloride solution, and then the solution is heated and polymerized to obtain solid chlorine base aluminium sol product. When the vacuum rake type drying machine is used to dry the aluminium chloride solution, aluminium chloride is prone to loss. In addition, excess hydrochloric acid will also evaporate and cannot be recovered. SUMMARY
[0003] The utility model mainly aims at providing a vacuum drying system for manufacturing solid chlorine base aluminium sol, so as to solve the above problems.
[0004] To achieve the above purpose, the utility model provides a vacuum drying system for manufacturing solid chlorine base aluminium sol, which comprises a horizontal drying cylinder body, a jacket is arranged in the cylinder wall of the horizontal drying cylinder body; a feeding port and an exhaust pipe which are in communication with the inside of the horizontal drying cylinder body and a medium outlet which is in communication with the jacket are arranged at the top of the horizontal drying cylinder body, a medium inlet which is in communication with the jacket and a discharge port which is in communication with the inside of the horizontal drying cylinder body are arranged at the bottom of the horizontal drying cylinder body; the medium outlet and the medium inlet are in communication with a medium heating mechanism; a stirring shaft is rotatably arranged in the horizontal drying cylinder body, a plurality of rake teeth are uniformly arranged on the stirring shaft; the stirring shaft is connected with a power mechanism; a rake shoe is arranged at the end of the rake tooth, and the cross sections of the rake tooth and the rake shoe are both rhombic; an auxiliary electric heating net is arranged in the exhaust pipe; the exhaust pipe is sequentially connected with a dust removal mechanism, a recovery mechanism and a vacuum pump.
[0005] Further, the dust removal mechanism is a bag type dust collector.
[0006] Further, the auxiliary electric heating net is spacedly provided with multiple layers.
[0007] Further, the recycling mechanism comprises a shower box, an exhaust port of the dust removal mechanism is communicated with an air inlet in a middle portion of one side of the shower box, a shower head is arranged on an inner top portion of the shower box, a refrigerating machine is arranged on an outer top portion of the shower box, a water pump is arranged on one side of the shower box, a water inlet of the water pump is communicated with a bottom portion of the shower box, a water outlet of the water pump is communicated with a water inlet of the refrigerating machine, and a water outlet of the refrigerating machine is communicated with the shower head.
[0008] Further, the recycling mechanism further comprises a water bath box, an exhaust pipe is connected to a top portion of the shower box, the exhaust pipe is inserted into the water bath box, and an end of the exhaust pipe is located below a liquid level of the water bath box, and the vacuum pump is arranged on a top portion of the water bath box, and an air inlet of the vacuum pump is communicated with the top portion of the water bath box.
[0009] The utility model has the following beneficial effects:
[0010] The utility model discloses a vacuum drying system for manufacturing solid chlorine-based aluminum sol, which comprises a horizontal drying cylinder body, a jacket, a medium inlet, a discharge port, a stirring shaft, a harrow tooth, a harrow shoe, a power mechanism, a medium outlet, a feeding port, an auxiliary electric heating net, an exhaust pipe, a dust removal mechanism, a shower box, a shower head, a water pump, a refrigerating machine, an exhaust pipe and a water bath box. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 A schematic diagram of the vacuum drying system for manufacturing solid chlorine-based aluminum sol is provided.
[0012] Fig. 2 A schematic diagram of the harrow tooth of the vacuum drying system for manufacturing solid chlorine-based aluminum sol is provided.
[0013] In the figure: 1-horizontal drying cylinder body;2-jacket;3-medium inlet;4-discharge port;5-stirring shaft;6-harrow tooth;7-harrow shoe;8-power mechanism;9-medium outlet;10-feeding port;11-auxiliary electric heating net;12-exhaust pipe;13-dust removal mechanism;14-shower box;15-shower head;16-water pump;17-refrigerating machine;18-exhaust pipe;19-water bath box;20-vacuum pump. DETAILED DESCRIPTION
[0014] In order to achieve the above-mentioned purposes and effects, the utility model adopts the technical means and structure, and the characteristics and functions of the preferred embodiments of the utility model are described in detail in combination with the drawings.
[0015] For example, Figs. 1-2The utility model discloses a kind of vacuum drying systems for manufacturing solid chlorine-based aluminum sol, including horizontal drying cylinder body 1, the jacket 2 of sleeve is arranged in the cylinder wall of horizontal drying cylinder body 1;The top of horizontal drying cylinder body 1 is provided with with the feeding opening 10 and exhaust pipe 12 of the intercommunication of horizontal drying cylinder body 1 inside and the medium outlet 9 of the intercommunication with jacket 2, the bottom of horizontal drying cylinder body 1 is provided with with the intercommunication of horizontal drying cylinder body 1 inside with the medium inlet 3 of the intercommunication of jacket 2;The medium outlet 9 and medium inlet 3 are communicated with medium heating mechanism;Stirring shaft 5 is rotationally arranged in horizontal drying cylinder body 1, a plurality of harrow teeth 6 are uniformly arranged on stirring shaft 5;The end of harrow tooth 6 is provided with harrow shoe 7, and the cross section of harrow tooth 6 and harrow shoe 7 is rhombus, to reduce the resistance of movement, while facilitating the liquid drop carried on harrow tooth 6 and harrow shoe 7 to drop;Stirring shaft 5 is connected with power mechanism 8;Auxiliary electric heating net 11 is arranged in exhaust pipe 12, to facilitate secondary heating evaporation of the water vapor formed, to avoid material loss;Exhaust pipe 12 is sequentially connected with dust removal mechanism 13, recovery mechanism and vacuum pump 20.The dust removal mechanism 13 is bag-type dust collector, to avoid material loss.The auxiliary electric heating net 11 is spacedly provided with multiple layers, to enhance evaporation effect.
[0016] The recovery mechanism includes shower box 14 and water bath box 19, the exhaust port of dust removal mechanism 13 is communicated with the air inlet in the middle of one side of shower box 14, the top inside of shower box 14 is provided with spray head 15, the top outside of shower box 14 is provided with refrigerating machine 17, one side of shower box 14 is provided with water pump 16, the water inlet of water pump 16 is communicated with the bottom of shower box 14, the water outlet of water pump 16 is communicated with the water inlet of refrigerating machine 17, and the water outlet of refrigerating machine 17 is communicated with spray head.The top of shower box 14 is connected with air suction pipe 18, air suction pipe 18 is inserted in water bath box 19, and the end of air suction pipe 18 is below the liquid level of water bath box 19, and vacuum pump 20 is arranged on the top of water bath box 19, and the air inlet of vacuum pump 20 is communicated with the top of water bath box 19.Hydrochloric acid evaporated is recovered through shower box 14 and water bath box 19, to form hydrochloric acid solution, which can be used as raw material to continue acid-base neutralization reaction to prepare salt.
[0017] The above only is the preferred embodiment of the utility model, not all embodiments, anyone should know that the structural change made under the enlightenment of the utility model, any technical solution with the utility model has same or similar, all belong to the protection scope of the utility model.
Claims
1. A vacuum drying system for manufacturing solid chlorine-based aluminum sol, comprising a horizontal drying cylinder, a jacket is arranged in the cylinder wall of the horizontal drying cylinder; a feeding port and an exhaust pipe which are in communication with the inside of the horizontal drying cylinder are arranged at the top of the horizontal drying cylinder, and a medium outlet which is in communication with the jacket is arranged at the top of the horizontal drying cylinder; a discharge port which is in communication with the inside of the horizontal drying cylinder and a medium inlet which is in communication with the jacket are arranged at the bottom of the horizontal drying cylinder; the medium outlet and the medium inlet are in communication with a medium heating mechanism; a stirring shaft is rotatably arranged in the horizontal drying cylinder, and a plurality of rake teeth are uniformly arranged on the stirring shaft; the stirring shaft is connected with a power mechanism; characterized in that, The rake tooth end is provided with a shoe, the rake tooth and the shoe are both in a rhombic cross section; an auxiliary electric heating net is arranged in the exhaust pipe; the exhaust pipe is connected with a dust removal mechanism, a recovery mechanism and a vacuum pump in sequence.
2. A vacuum drying system for producing a solid chloroaluminum sol as claimed in claim 1, wherein The dust removal mechanism is a bag type dust collector.
3. A vacuum drying system for producing a solid chloroaluminum sol as claimed in claim 1, wherein The auxiliary electric heating net is arranged in multiple layers.
4. A vacuum drying system for producing a solid chloroaluminum sol according to claim 1 or 2 or 3, characterized in that, The recovery mechanism comprises a shower box, an air inlet of a middle part of one side of the shower box is communicated with an air outlet of the dust removal mechanism, a shower head is arranged on the inner top of the shower box, a refrigerating machine is arranged on the outer top of the shower box, a water pump is arranged on one side of the shower box, a water inlet of the water pump is communicated with the bottom of the shower box, a water outlet of the water pump is communicated with a water inlet of the refrigerating machine, and a water outlet of the refrigerating machine is communicated with the shower head.
5. A vacuum drying system for the production of solid chloroaluminate sol according to claim 4, wherein The recovery mechanism further comprises a water bath box, an air exhaust pipe is connected with the top of the shower box, the air exhaust pipe is inserted into the water bath box, and the end of the air exhaust pipe is below the liquid level of the water bath box, and the vacuum pump is arranged on the top of the water bath box, and an air inlet of the vacuum pump is communicated with the top of the water bath box.