Polyaluminum chloride reaction kettle

Abstract

The utility model relates to the technical field of reaction kettles, and discloses a polyaluminum chloride reaction kettle which comprises a reaction kettle tank body, a first mounting plate is fixedly mounted at the top end of the reaction kettle tank body, a second mounting plate is arranged on the upper side of the first mounting plate, and a stirring motor and a telescopic cylinder are fixedly mounted on the surface of the second mounting plate respectively. The telescopic end of the telescopic air cylinder is fixedly connected with the first mounting plate, a guide sleeve is fixedly mounted in the first mounting plate, a stirring shaft is slidably inserted in the guide sleeve, and a dredging plate is fixedly mounted at the bottom of the stirring shaft. According to the reaction kettle, the telescopic air cylinder is arranged at the top of the reaction kettle tank body, the stirring motor is adjusted to move up and down through the telescopic air cylinder, the stirring arm moves up and down while rotating, the stirring efficiency is improved, and in the stirring process, the dredging plate can be inserted into the discharging pipe to clean blockages, so that the blockage of the discharging pipe is automatically dredged; safe and stable operation of the reaction kettle is ensured, and faults are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a polyaluminium chloride reaction kettle. Background Art

[0002] The method for synthesizing polyaluminium chloride is as follows: aluminum ash is added into a reactor pre-added with washing water according to a certain ratio, hydrochloric acid is slowly added under stirring to carry out polycondensation reaction, and the solution is subjected to aging polymerization until the pH value reaches 4.2 to 4.5 and the relative density of the solution reaches about 1.2 for sedimentation to obtain liquid polyaluminium chloride, and the liquid product is diluted and filtered, evaporated, concentrated and dried to obtain a solid polyaluminium chloride product.

[0003] The prior art has a notice number of CN216458765U, which discloses a polyaluminium chloride reactor, including a cylinder body 1, a plurality of supporting feet are provided at the lower end of the cylinder body 1, a discharge pipe is connected at the lower end of the cylinder body 1, a control valve is provided in the discharge pipe, a cylinder body 2 is connected at the upper end of the cylinder body 1 by bolts, a rotating shaft is provided at the upper end of the inner side of the cylinder body 2, a driving mechanism for rotating the rotating shaft is provided at the upper end of the cylinder body 2, a fixed plate 1 is connected to the outer side of the rotating shaft, a symmetrically arranged sliding column is penetrated on both sides of the fixed plate 1, the upper ends of the two sliding columns are connected to the fixed plate 2 which is sleeved on the outer side of the rotating shaft, a spring sleeved on the outer side of the sliding column is connected between the fixed plate 1 and the fixed plate 2, and a plurality of stirring rods penetrating the rotating shaft are connected to the outer side of the two sliding columns. The advantages of the utility model compared with the prior art are: better stirring effect on raw materials, and effective avoidance of the difficulty in cleaning the lower side wall of the reactant remaining in the cylinder.

[0004] In actual use, the sedimentation residues produced by the condensation and aging reactions in the reactor, or the residues falling off the inner wall, are likely to cause blockage when discharged from the discharge pipe at the bottom of the reactor. Most existing reactors have the problem of being unable to automatically clear blockages, and malfunctions occur frequently, which needs further improvement. Utility Model Content

[0005] The utility model aims to provide a polyaluminium chloride reaction kettle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyaluminium chloride reactor, comprising a reactor tank body, a first mounting plate fixedly mounted on the top of the reactor tank body, a second mounting plate arranged on the upper side of the first mounting plate, a stirring motor and a telescopic cylinder fixedly mounted on the surface of the second mounting plate, and a telescopic end of the telescopic cylinder fixedly connected to the first mounting plate.

[0007] A guide sleeve is fixedly installed in the first mounting plate, and a stirring shaft is slidably inserted in the guide sleeve. The top of the stirring shaft is fixedly connected to the rotating end of the stirring motor, the bottom end of the stirring shaft extends into the reactor tank body, and a stirring arm is fixedly installed on the surface of the stirring shaft, a dredging plate is fixedly installed on the bottom of the stirring shaft, and a discharge pipe is fixedly installed on the bottom end of the reactor tank body. When the telescopic cylinder drives the stirring shaft to move downward, the dredging plate can be inserted into the discharge pipe. The up and down movement and rotation of the dredging plate can dredge the accumulated blockage in the discharge pipe.

[0008] In some embodiments, a hexagonal sliding hole is provided at the bottom end of the stirring shaft, a telescopic shaft is slidably inserted into the hexagonal sliding hole, a limit ring is fixedly installed on the top end of the telescopic shaft, the limit ring slides in the stirring shaft, a stirring blade is fixedly installed on the surface of the telescopic shaft, the bottom of the inner cavity of the reactor tank body is an arc structure, the lower surface of the stirring blade is consistent with the arc structure of the inner bottom wall of the reactor tank body, so that the lower surface of the stirring blade can slide along the inner bottom wall of the reactor tank body.

[0009] Among them, a connecting rod is fixedly installed inside the stirring shaft, and the bottom end of the connecting rod is slidably inserted into the telescopic shaft. A supporting spring is sleeved on the surface of the connecting rod, and the supporting spring presses downward against the limiting ring at the top of the telescopic shaft. When the stirring shaft moves downward, the bottom of the stirring blade slides in contact with the bottom wall of the reactor tank body, and the rotation of the stirring blade is used to scrape off the sediment at the bottom.

[0010] In some embodiments, a storage groove is provided at the bottom of the telescopic shaft, and the dredging plate is slidably inserted in the storage groove. The dredging plate is fixedly connected to the bottom end of the connecting rod, and the dredging plate can be automatically retracted into the telescopic shaft, which has the function of protecting the dredging plate and cleaning the attachments on the surface of the dredging plate.

[0011] In some embodiments, a feed pipe and an inspection window are fixedly installed on the upper end of the reactor tank body, an outer tank body is fixedly installed on the bottom and outer wall of the reactor tank body, the inner wall of the outer tank body and the outer wall of the reactor tank body form an insulating interlayer cavity, an air inlet pipe and an exhaust pipe are fixedly installed on the surface of the outer tank body, a drain pipe is fixedly installed on the bottom of the outer tank body, a plurality of connecting seats are fixedly installed around the outer tank body, and supporting legs are fixedly installed on the bottom of the connecting seats, and high-temperature steam is injected into the insulating interlayer cavity inside the outer tank body through the air inlet pipe, so as to preheat and keep the reactor tank body warm.

[0012] Beneficial Effects

[0013] The utility model provides a polyaluminium chloride reaction kettle, which has the following beneficial effects:

[0014] 1. The reactor is provided with a telescopic cylinder on the top of the reactor tank body, and the telescopic cylinder is used to adjust the stirring motor to move up and down, so that the stirring arm rotates and moves up and down at the same time, thereby improving the stirring efficiency. During the stirring process, the dredging plate can be inserted into the discharge pipe to clear the blockage, thereby automatically clearing the blockage of the discharge pipe, ensuring the safe and stable operation of the reactor and reducing the occurrence of faults.

[0015] 2. The reactor is provided with a telescopic shaft that can slide and retract at the bottom of the stirring shaft. The stirring blade is installed on the telescopic shaft. When the stirring shaft moves downward, the bottom of the stirring blade is in sliding contact with the bottom wall of the reactor tank body. The rotation of the stirring blade is used to scrape off the sediment at the bottom. The dredging plate extends from the bottom of the telescopic shaft. When the stirring shaft moves upward, the dredging plate retracts into the telescopic shaft, which has the function of protecting the dredging plate and cleaning the attachments on the surface of the dredging plate, thereby improving the reliability of its operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the front section structure of the stirring shaft and telescopic shaft of the utility model;

[0019] Figure 4 It is a bottom view structural diagram of the telescopic shaft of the utility model.

[0020] In the figure: 1 reactor tank body, 2 first mounting plate, 3 second mounting plate, 4 stirring motor, 5 telescopic cylinder, 6 guide sleeve, 7 stirring shaft, 8 stirring arm, 9 dredging plate, 10 discharge pipe, 11 telescopic shaft, 12 limit ring, 13 stirring blade, 14 connecting rod, 15 support spring, 16 feed pipe, 17 inspection window, 18 outer tank body, 19 air inlet pipe, 20 exhaust pipe, 21 drain pipe, 22 support leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a polyaluminium chloride reactor, comprising a reactor tank body 1, a first mounting plate 2 is fixedly mounted on the top of the reactor tank body 1, a second mounting plate 3 is arranged on the upper side of the first mounting plate 2, a stirring motor 4 and a telescopic cylinder 5 are fixedly mounted on the surface of the second mounting plate 3, the telescopic end of the telescopic cylinder 5 is fixedly connected to the first mounting plate 2, and the extension and retraction of the telescopic cylinder 5 can adjust the stirring motor 4 to rise and fall.

[0023] A guide sleeve 6 is fixedly installed in the first mounting plate 2, and a stirring shaft 7 is slidably inserted in the guide sleeve 6. The top of the stirring shaft 7 is fixedly connected to the rotating end of the stirring motor 4, and the bottom end of the stirring shaft 7 extends into the reactor tank body 1. A stirring arm 8 is fixedly installed on the surface of the stirring shaft 7, and a dredging plate 9 is fixedly installed on the bottom of the stirring shaft 7. A discharge pipe 10 is fixedly installed at the bottom end of the reactor tank body 1. When the telescopic cylinder 5 drives the stirring shaft 7 to move downward, the dredging plate 9 can be inserted into the discharge pipe 10. The up and down movement and rotation of the dredging plate 9 can dredge the accumulated blockage in the discharge pipe 10.

[0024] In this embodiment, a hexagonal sliding hole is provided at the bottom end of the stirring shaft 7, and a telescopic shaft 11 is slidably inserted into the hexagonal sliding hole. The surface of the telescopic shaft 11 also has a hexagonal structure. A limit ring 12 is fixedly installed on the top of the telescopic shaft 11. The limit ring 12 slides in the stirring shaft 7. A stirring blade 13 is fixedly installed on the surface of the telescopic shaft 11. The bottom of the inner cavity of the reactor tank body 1 is an arc structure. The lower surface of the stirring blade 13 is consistent with the arc structure of the inner bottom wall of the reactor tank body 1, so that the lower surface of the stirring blade 13 can slide along the inner bottom wall of the reactor tank body 1.

[0025] A connecting rod 14 is fixedly installed inside the stirring shaft 7, and the bottom end of the connecting rod 14 is slidably inserted into the telescopic shaft 11. A support spring 15 is sleeved on the surface of the connecting rod 14, and the support spring 15 presses downward against the limit ring 12 at the top of the telescopic shaft 11. A storage groove is provided at the bottom of the telescopic shaft 11, and the dredging plate 9 is slidably inserted in the storage groove. The dredging plate 9 is fixedly connected to the bottom end of the connecting rod 14. When the stirring shaft 7 moves downward, the bottom of the stirring blade 13 is pressed against the bottom wall of the reactor tank body 1, and the support spring 15 is in a compressed state. The rotation of the stirring blade 13 is used to scrape off the sediment at the bottom of the reactor tank body 1.

[0026] A telescopic shaft 11 that can slide and retract is provided at the bottom end of the stirring shaft 7, and a stirring blade 13 is installed on the telescopic shaft 11. When the stirring shaft 7 moves downward, the bottom of the stirring blade 13 is in sliding contact with the bottom wall of the reactor tank body 1, and the bottom sediment is scraped off by the rotation of the stirring blade 13. The dredging plate 9 extends from the bottom of the telescopic shaft 11. When the stirring shaft 7 moves upward, the telescopic shaft 11 is pushed downward under the action of the supporting spring 15, so that the dredging plate 9 is retracted into the telescopic shaft 11, which has the function of protecting the dredging plate 9 and cleaning the attachments on the surface of the dredging plate 9, thereby improving the reliability of its operation.

[0027] A feed pipe 16 and an inspection window 17 are fixedly installed on the upper end of the reactor tank body 1, a plurality of connecting seats are fixedly installed around the outer tank body 18, and a supporting leg 22 is fixedly installed at the bottom of the connecting seat. The outer tank body 18 is fixedly installed on the bottom and outer wall of the reactor tank body 1, and the inner wall of the outer tank body 18 and the outer wall of the reactor tank body 1 form a thermal insulation interlayer cavity. An air inlet pipe 19 and an exhaust pipe 20 are fixedly installed on the surface of the outer tank body 18, and a drain pipe 21 is fixedly installed on the bottom of the outer tank body 18. High-temperature steam is injected into the thermal insulation interlayer cavity inside the outer tank body 18 through the air inlet pipe 19, and the steam is discharged from the exhaust pipe 20, which plays a role in preheating and heat preservation of the reactor tank body 1.

[0028] The reactor is provided with a telescopic cylinder 5 on the top of the reactor tank body 1, and the telescopic cylinder 5 is used to adjust the up and down movement of the stirring motor 4, so that the stirring arm 8 rotates and moves up and down at the same time, thereby improving the stirring efficiency. During the stirring process, the clearing plate 9 can be inserted into the discharge pipe 10 to clear the blockage, thereby automatically clearing the blockage of the discharge pipe 10, ensuring the safe and stable operation of the reactor and reducing the occurrence of faults.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyaluminium chloride reactor, comprising a reactor tank (1), characterized in that: A first mounting plate (2) is fixedly mounted on the top of the reactor tank body (1), a second mounting plate (3) is arranged on the upper side of the first mounting plate (2), a stirring motor (4) and a telescopic cylinder (5) are respectively fixedly mounted on the surface of the second mounting plate (3), and the telescopic end of the telescopic cylinder (5) is fixedly connected to the first mounting plate (2); A guide sleeve (6) is fixedly mounted in the first mounting plate (2), a stirring shaft (7) is slidably inserted in the guide sleeve (6), the top end of the stirring shaft (7) is fixedly connected to the rotating end of the stirring motor (4), the bottom end of the stirring shaft (7) extends into the reactor tank body (1), and a stirring arm (8) is fixedly mounted on the surface of the stirring shaft (7), a dredging plate (9) is fixedly mounted on the bottom of the stirring shaft (7), and a discharge pipe (10) is fixedly mounted on the bottom end of the reactor tank body (1), and when the telescopic cylinder (5) drives the stirring shaft (7) to move downward, the dredging plate (9) can be inserted into the discharge pipe (10).

2. A polyaluminium chloride reaction kettle according to claim 1, characterized in that: A hexagonal sliding hole is provided at the bottom end of the stirring shaft (7), a telescopic shaft (11) is slidably inserted into the hexagonal sliding hole, a limit ring (12) is fixedly mounted on the top end of the telescopic shaft (11), the limit ring (12) slides inside the stirring shaft (7), and a stirring blade (13) is fixedly mounted on the surface of the telescopic shaft (11).

3. A polyaluminium chloride reaction kettle according to claim 2, characterized in that: A connecting rod (14) is fixedly installed inside the stirring shaft (7), and the bottom end of the connecting rod (14) is slidably inserted into the telescopic shaft (11). A support spring (15) is sleeved on the surface of the connecting rod (14), and the support spring (15) presses downward against a limit ring (12) at the top end of the telescopic shaft (11).

4. A polyaluminium chloride reaction kettle according to claim 3, characterized in that: The bottom of the telescopic shaft (11) is provided with a receiving groove, the dredging plate (9) is slidably inserted in the receiving groove, and the dredging plate (9) is fixedly connected to the bottom end of the connecting rod (14).

5. A polyaluminium chloride reaction kettle according to claim 4, characterized in that: The bottom of the inner cavity of the reactor tank body (1) is in a curved surface structure, and the lower surface of the stirring blade (13) matches the curved surface structure of the inner bottom wall of the reactor tank body (1), so that the lower surface of the stirring blade (13) can slide along the inner bottom wall of the reactor tank body (1).

6. A polyaluminium chloride reaction kettle according to claim 5, characterized in that: A material delivery pipe (16) and an inspection window (17) are respectively fixedly mounted on the upper end of the reactor tank body (1).

7. A polyaluminium chloride reaction kettle according to any one of claims 1 to 6, characterized in that: An outer tank body (18) is fixedly mounted on the bottom and outer wall of the reactor tank body (1); the inner wall of the outer tank body (18) and the outer wall of the reactor tank body (1) form a heat-insulating interlayer cavity; an air inlet pipe (19) and an air outlet pipe (20) are fixedly mounted on the surface of the outer tank body (18); and a drainage pipe (21) is fixedly mounted on the bottom of the outer tank body (18).

8. A polyaluminium chloride reaction kettle according to claim 7, characterized in that: A plurality of connection seats are fixedly mounted on the periphery of the outer tank body (18), and support legs (22) are fixedly mounted on the bottom of the connection seats.

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