Wastewater treatment device of crystallization kettle

Abstract

The utility model belongs to the technical field of wastewater treatment, and particularly relates to a wastewater treatment device of a crystallization kettle, which comprises a crystallization kettle, a crystallization inner kettle is arranged in the crystallization kettle, a vacuum system is arranged on one side of the crystallization kettle, a connecting seat is arranged on the other side of the crystallization kettle, a diluted hydrochloric acid receiving tank is arranged on one side of the connecting seat, and a water outlet is formed in the other side of the crystallization kettle. Heating plates are respectively mounted on the surfaces of the inner crystallization kettle, and a top cover is arranged at the top of the crystallization kettle. When the device is used, the vacuum system, the diluted hydrochloric acid receiving tank, the refrigerator, the bucket column, the connecting pipe, the motor, the heating plate, the rotating shaft, the stirring plate and the L-shaped scraping plate which are arranged are matched to work, so that diluted acid in wastewater is distilled and recycled into the diluted hydrochloric acid receiving tank, and aluminum trichloride hexahydrate is concentrated into the crystallization inner kettle to be recycled; dilute acid in the dilute hydrochloric acid receiving tank is sent to the acyl chloride device for recycling, so that the dilute acid is used for treating and filtering the wastewater, substances in the wastewater are extracted and utilized, and the treatment effect is improved.

Description

Technical Field

[0001] This utility model belongs to the field of wastewater treatment technology, specifically relating to a wastewater treatment device for a crystallization reactor. Background Technology

[0002] 2,4,6-Trimethylbenzoyl chloride is a substance with a molecular weight of 182.6467.

[0003] The production and processing of 2,4,6-trimethylbenzoyl chloride generates a large amount of wastewater. In order to improve utilization and protect the environment, the wastewater needs to be treated. However, general wastewater treatment devices cannot effectively recover substances such as aluminum trichloride hexahydrate, which affects the effectiveness of the treatment. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a wastewater treatment device for a crystallization reactor, which solves the problem of not being able to effectively recover substances such as aluminum trichloride hexahydrate.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wastewater treatment device for a crystallization vessel, comprising a crystallization vessel, an inner crystallization vessel disposed inside the crystallization vessel, a vacuum system disposed on one side of the crystallization vessel, a connecting seat disposed on the other side of the crystallization vessel, a dilute hydrochloric acid receiving tank disposed on one side of the connecting seat, heating plates respectively mounted on the surface of the inner crystallization vessel, a top cover disposed on the top of the crystallization vessel, a connecting pipe connected to one side of the top cover, and one end of the connecting pipe connected to the dilute hydrochloric acid receiving tank, the surface of the connecting pipe being provided with The system includes a water tank column with a cooler installed on one side, the output of which extends into the interior of the water tank column. A water pump is installed at the bottom of the dilute hydrochloric acid receiving tank, and the output of the water pump is connected to a discharge pipe. A motor box is installed at the bottom of the crystallization vessel, and a motor is installed inside the motor box. The output of the motor is connected to a rotating shaft, which extends to the inner wall of the crystallization vessel. Stirring plates are installed on the surface of the rotating shaft, and L-shaped scrapers are installed on the surface of the rotating shaft, with one side of the L-shaped scrapers contacting the inner wall of the crystallization vessel.

[0006] Preferably, one end of the discharge pipe is connected to a fixing ring, one end of the fixing ring is connected to a third bolt, and one end of the third bolt is threaded through the fixing ring and connected to a nut.

[0007] Preferably, the surface of the top cover is provided with a connecting ring, and a first bolt is provided around the circumference of the connecting ring, with one end of the first bolt passing through the connecting ring and threadedly connected to the inner wall of the crystallization vessel.

[0008] Preferably, the two ends of the connecting seat are respectively provided with second bolts, and one end of the second bolt passes through the connecting seat and is threadedly connected to the inner wall of the crystallization vessel.

[0009] Preferably, a discharge pipe is connected to one side of the bottom of the crystallization vessel, and a solenoid valve is provided on the surface of the discharge pipe.

[0010] Preferably, the bottom of the crystallization vessel is provided with support legs around its perimeter, and the bottom of the support legs is provided with an anti-slip base.

[0011] Preferably, a filter plug is fitted inside one end of the discharge pipe, and one end of the filter plug is located inside the crystallization vessel.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In operation, the system utilizes a vacuum system, a dilute hydrochloric acid receiving tank, a cooler, a water tank column, connecting pipes, a motor, a heating plate, a rotating shaft, a stirring plate, and an L-shaped scraper to distill and recover the dilute acid from the wastewater into the dilute hydrochloric acid receiving tank. Meanwhile, aluminum trichloride hexahydrate is concentrated and recovered into the crystallization vessel. The dilute acid in the receiving tank is then sent to the acyl chloride unit for reuse, allowing it to treat and filter the wastewater, extracting and utilizing the substances within, thus enhancing the treatment effect. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a first three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a second three-dimensional structural diagram of the present invention;

[0017] Figure 3 This is a third perspective view of the present invention;

[0018] Figure 4 This is a first sectional view of the present invention;

[0019] Figure 5 This is a second cross-sectional view of the present invention.

[0020] In the diagram: 1. Crystallization vessel; 2. Connecting ring; 3. First bolt; 4. Top cover; 5. Feed pipe; 6. Vacuum system; 7. Discharge pipe; 8. Support leg; 9. Anti-slip base; 10. Dilute hydrochloric acid receiving tank; 11. Connecting seat; 12. Refrigerator; 13. Water tank column; 14. Connecting pipe; 15. Second bolt; 16. Discharge pipe; 17. Fixing ring; 18. Third bolt; 19. Nut; 20. Motor box; 21. Water pump; 22. Rotating shaft; 23. Stirring plate; 24. L-shaped scraper; 25. Inner vessel; 26. Heating plate; 27. Solenoid valve. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 This utility model provides the following technical solution: a wastewater treatment device for a crystallization kettle, comprising a crystallization kettle 1, an inner crystallization vessel 25 disposed inside the crystallization kettle 1, a vacuum system 6 disposed on one side of the crystallization kettle 1, a connecting seat 11 disposed on the other side of the crystallization kettle 1, a dilute hydrochloric acid receiving tank 10 disposed on one side of the connecting seat 11, heating plates 26 respectively installed on the surface of the inner crystallization vessel 25, a top cover 4 disposed on the top of the crystallization kettle 1, a connecting pipe 14 connected to one side of the top cover 4, and one end of the connecting pipe 14 connected to the dilute hydrochloric acid receiving tank 10, a water tank column 13 disposed on the surface of the connecting pipe 14, the water tank column... A cooler 12 is provided on one side of the column 13, and the output end of the cooler 12 extends into the interior of the column 13. A water pump 21 is provided at the bottom of the dilute hydrochloric acid receiving tank 10, and the output end of the water pump 21 is connected to the discharge pipe 16. A motor box 20 is provided at the bottom of the crystallization vessel 1, and a motor is provided inside the motor box 20. The output end of the motor is connected to the rotating shaft 22, and the rotating shaft 22 extends into the inner wall of the crystallization vessel 25. A stirring plate 23 is provided on the surface of the rotating shaft 22, and an L-shaped scraper 24 is provided on the surface of the rotating shaft 22. One side of the L-shaped scraper 24 is in contact with the inner wall of the crystallization vessel 25.

[0023] In this embodiment, the connecting ring 2 and the top cover 4 are fixed by setting the first bolt 3, and the connecting seat 11 is fixed by setting the second bolt 15, thereby increasing the stability of its fixation.

[0024] In this embodiment, the pipe connected to the discharge pipe 16 is fixed by setting a fixing ring 17, a third bolt 18 and a nut 19, thereby increasing the stability of the connection, avoiding leakage and affecting the output effect.

[0025] The working principle and usage process of this utility model are as follows: After installation, when using this utility model, the delivery pipe of the aluminum trichloride aqueous solution storage tank liquid delivery pump is fitted onto the surface of the feed pipe 5. Then, the delivery pump is activated to transport the liquid in the aluminum trichloride aqueous solution storage tank through the delivery pipe and feed pipe 5 to the interior of the crystallization inner vessel 25. Then, the vacuum system 6 is activated to control the vacuum degree inside the crystallization inner vessel 25 to -0.08 MPa. Then, the two sets of heating plates 26 are activated to heat the interior of the crystallization inner vessel 25. At the same time, the motor is activated, and the motor drives the stirring plate 23 and L-shaped scraper 24 through the rotating shaft 22 to stir the liquid inside the crystallization inner vessel 25. The liquid is heated to 80 degrees Celsius to generate steam. The gas containing dilute acid is cooled through connecting pipe 14, and then cooled at low temperature by cooler 12 and water tank column 13 to form a liquid. The liquid containing dilute acid enters the dilute hydrochloric acid receiving tank 10. The material inside the crystallization vessel 25 is concentrated by heating to form aluminum trichloride hexahydrate. The entire concentration process takes about four hours. Then, the solenoid valve 27 is opened to filter the liquid in the crystallization vessel 25 through the filter plug, so that the liquid is discharged through discharge pipe 7. At the same time, water pump 21 works to transport the dilute acid liquid through discharge pipe 16 to the acyl chloride unit for reuse. All electrical equipment in this device is powered by an external power source.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A wastewater treatment apparatus for a crystallization tank, comprising a crystallization tank (1), characterized in that: The crystallization vessel (1) is equipped with an inner crystallization vessel (25). A vacuum system (6) is provided on one side of the crystallization vessel (1), and a connecting seat (11) is provided on the other side of the crystallization vessel (1). A dilute hydrochloric acid receiving tank (10) is provided on one side of the connecting seat (11). Heating plates (26) are installed on the surface of the inner crystallization vessel (25). A top cover (4) is provided on the top of the crystallization vessel (1). A connecting pipe (14) is connected to one side of the top cover (4), and one end of the connecting pipe (14) is connected to the dilute hydrochloric acid receiving tank (10). A water tank column (13) is provided on the surface of the connecting pipe (14), and a cooler (12) is provided on one side of the water tank column (13). The output end of the cooler (12) extends into the interior of the water tank column (13). A water pump (21) is provided at the bottom of the dilute hydrochloric acid receiving tank (10). The output end of the water pump (21) is connected to a discharge pipe (16). A motor box (20) is provided at the bottom of the crystallization vessel (1). A motor is provided inside the motor box (20). The output end of the motor is connected to a rotating shaft (22). The rotating shaft (22) extends into the inner wall of the crystallization vessel (25). A stirring plate (23) is provided on the surface of the rotating shaft (22). An L-shaped scraper (24) is provided on the surface of the rotating shaft (22). One side of the L-shaped scraper (24) is in contact with the inner wall of the crystallization vessel (25).

2. A wastewater treatment apparatus for a crystallization tank according to claim 1, characterized in that: One end of the discharge pipe (16) is connected to a fixing ring (17), one end of the fixing ring (17) is connected to a third bolt (18), and one end of the third bolt (18) is threaded through the fixing ring (17) and connected to a nut (19).

3. The wastewater treatment apparatus of claim 1, wherein: The top cover (4) is provided with a connecting ring (2), and a first bolt (3) is provided around the connecting ring (2). One end of the first bolt (3) passes through the connecting ring (2) and is threadedly connected to the inner wall of the crystallizing vessel (1).

4. The wastewater treatment apparatus of claim 1, wherein: The two ends of the connecting seat (11) are respectively provided with second bolts (15), and one end of the second bolt (15) passes through the connecting seat (11) and is threadedly connected to the inner wall of the crystallizing vessel (1).

5. The wastewater treatment device for a crystallization reactor according to claim 1, characterized in that: A discharge pipe (7) is connected to one side of the bottom of the crystallization vessel (25), and a solenoid valve (27) is provided on the surface of the discharge pipe (7).

6. The wastewater treatment apparatus of claim 1, wherein: Support legs (8) are provided around the bottom of the crystallization vessel (1), and anti-slip bases (9) are provided at the bottom of the support legs (8).

7. A wastewater treatment apparatus for a crystallization tank according to claim 5, characterized in that: A filter plug is attached to the inside of one end of the discharge pipe (7), and one end of the filter plug is located inside the crystallization vessel (25).

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