Hexachloroethane crude product alkali washing kettle with good sealing performance

By using the concave flange insertion between the lid and the body and the sealing ring structure, the leakage problem at the connection between the lid and the body is solved, achieving higher sealing performance and service life.

CN223800525UActive Publication Date: 2026-01-16NANTONG DONGGANG DRAINAGE CO LTD
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Patent Information

Application Number
CN202520357228.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-01-16
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing crude hexachloroethane washing kettle is prone to leakage at the connection between the kettle lid and the kettle body, resulting in poor sealing, affecting service life and causing environmental pollution.

Method used

The lid is inserted into the vessel body via a concave surrounding plate and sealed by a sealing ring in the annular groove of the concave surrounding plate. Several first reinforcing plates are installed inside the lid to improve support and enhance the connection strength between the lid and the vessel body.

Benefits of technology

It improves the sealing between the vessel body and the lid, prevents leakage, extends service life, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223800525U_ABST
    Figure CN223800525U_ABST
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Abstract

A kettle cover is arranged at the top end of a kettle body, a plurality of second connecting plates are arranged on the periphery of the kettle cover, the second connecting plates correspond to first connecting plates of the kettle body in a one-to-one mode and are connected with the first connecting plates of the kettle body in a fastening mode, and an inwards-concave surrounding plate is arranged at the bottom of the kettle cover and connected with the inner wall of the kettle body. An annular groove is formed in the outer edge of the inwards-concave surrounding plate, a sealing ring is arranged in the annular groove formed in the inwards-concave surrounding plate, the sealing ring is pressed on the inner wall of the kettle body and the inner wall of the kettle cover, a plurality of first reinforcing plates are evenly arranged on the sealing ring in the radial direction, the bottoms of the first reinforcing plates are connected with the inner wall of the inwards-concave surrounding plate, and a stirring paddle is arranged in the kettle body. Meanwhile, a plurality of first reinforcing plates are arranged in the kettle cover, and the bottoms of the first reinforcing plates are supported on the concave coaming, so that the supporting performance of the kettle cover and the concave coaming is greatly improved, leakage caused by deformation of the kettle cover or the concave coaming in the long-term use process is avoided, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reaction kettle, concretely to a hexachloroethane crude product caustic washing kettle with good sealing performance. BACKGROUND

[0002] Hexachloroethane, also known as perchloroethane or carbon tetrachloride, is an organic compound with the chemical formula C2Cl6. It is a white crystalline powder that is insoluble in water but soluble in many organic solvents such as ethanol, diethyl ether, benzene, chloroform, oils, and others. It is primarily used in organic synthesis, pharmaceuticals, and as a solvent.

[0003] During the caustic washing process of hexachloroethane crude product, hydrolysis produces hydrogen chloride gas. Hydrogen chloride is a gas with irritating, corrosive, and suffocating properties. It is an important industrial chemical used in the production of dyes, fragrances, pharmaceuticals, various chlorides, and corrosion inhibitors. Additionally, high-purity hydrogen chloride gas is widely used in the electronics industry. Electronic-grade hydrogen chloride (purity ≥ 99.999%) is primarily used in the microelectronics industry for processes such as gas-phase polishing, epitaxy, and etching. It is also used in metal smelting, optical communication, and scientific research. Currently, most caustic washing kettles for hexachloroethane crude product have two structures. One is a kettle cover and kettle body that are directly welded together, but this structure has low reusability. The other is a detachable kettle cover and kettle body structure that is fastened together with bolts and nuts. This caustic washing kettle has the problem of deformation of the kettle cover over time, leading to leakage at the connection between the kettle cover and the kettle body. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. SUMMARY

[0004] The utility model aims at providing a hexachloroethane crude product caustic washing kettle with good sealing performance to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hexachloroethane crude product caustic washing kettle with good sealing performance, comprising a kettle body, a kettle cover, and a stirring mechanism.

[0006] The top of the kettle body is open, and a plurality of first connecting plates are arranged around the top of the kettle body. The kettle body is provided with a jacket around its periphery. The bottom of the kettle body is provided with a discharge port. A support block is arranged at the bottom end of the interior of the kettle body and located at the discharge port through a plurality of support rods. An axle hole is formed in the center of the upper surface of the support block.

[0007] The kettle cover is arranged at the opening of the top end of the kettle body, the periphery of the kettle cover is provided with a plurality of second connecting plates, the second connecting plates correspond to the first connecting plates one by one and are fastened and connected through bolts and nuts, a through hole is arranged at the central position of the kettle cover, a sealing mounting plate is arranged on the upper surface of the kettle cover and located at the through hole, an inner recessed surrounding plate is arranged at the bottom of the kettle cover, the inner recessed surrounding plate is connected with the inner wall of the kettle body, an annular groove is arranged at the outer edge of the inner recessed surrounding plate, a sealing ring is arranged in the annular groove of the inner recessed surrounding plate, the sealing ring is pressed on the inner wall of the kettle body, a plurality of first reinforcing plates are uniformly arranged on the inner wall of the kettle cover along the radial direction, the bottom of the first reinforcing plate is connected with the inner wall of the inner recessed surrounding plate, the kettle cover is provided with a hexachloroethane crude product feeding port, a lye feeding port and an exhaust port.

[0008] The stirring mechanism comprises a motor, a main shaft, a connecting sleeve and a stirring paddle, the motor is arranged on the upper surface of the sealing mounting plate through a flange, the output shaft of the motor penetrates through the sealing mounting plate and is connected with the top end of the main shaft through a shaft coupling, the main shaft is rotationally connected with the shaft hole of the supporting block, the connecting sleeve is provided with the stirring paddle at the periphery, the connecting sleeve is sleeved with the main shaft and is fastened through bolts, and the stirring paddle is rotationally arranged in the kettle body.

[0009] Preferably, the utility model provides a hexachloroethane crude product caustic washing kettle of good sealing, wherein the periphery of the jacket is provided with a plurality of supporting seats.

[0010] Preferably, the utility model provides a hexachloroethane crude product caustic washing kettle of good sealing, wherein the lower part of the jacket is provided with a hot oil inlet, and one side of the upper part of the jacket is provided with a hot oil outlet.

[0011] Preferably, the utility model provides a hexachloroethane crude product caustic washing kettle of good sealing, wherein the kettle cover is further provided with a thermometer port and a pressure gauge port.

[0012] Preferably, the utility model provides a hexachloroethane crude product caustic washing kettle of good sealing, wherein the lower surface of the first connecting plate and the upper surface of the second connecting plate are provided with a plurality of second reinforcing plates, the second reinforcing plates of the lower surface of the first connecting plate are connected with the outer surface of the kettle body, and the second reinforcing plates of the lower surface of the second connecting plate are connected with the outer surface of the kettle cover.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The lower part of the kettle cover is provided with an inner recessed plate, the kettle cover is inserted with the kettle body through the inner recessed plate, and sealing is achieved through the sealing ring in the annular groove of the inner recessed plate, so that the sealing property between the kettle body and the kettle cover is greatly improved, leakage is avoided, the environment is not polluted, meanwhile, a plurality of first reinforcing plates are arranged in the kettle cover, the bottom of the first reinforcing plate is supported on the inner recessed plate, the support property of the kettle cover and the inner recessed plate is greatly improved through the support of the first reinforcing plate, deformation of the kettle cover or the inner recessed plate is avoided during long-term use, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of a cross section structure of the utility model;

[0016] Figure 2 It is an Figure 1 It is a schematic diagram of an enlarged structure at the position of the mark A;

[0017] Figure 3 It is a schematic diagram of an appearance structure of the utility model.

[0018] In the drawing: the kettle body 1, the first connecting plate 2, the jacket 3, the discharge port 4, the supporting rod 5, the supporting block 6, the kettle cover 7, the second connecting plate 8, the through hole 9, the sealing mounting plate 10, the inner recessed plate 11, the sealing ring 12, the first reinforcing plate 13, the crude hexachloroethane feeding port 14, the alkali feeding port 15, the exhaust port 16, the motor 17, the main shaft 18, the connecting sleeve 19, the stirring paddle 20, the supporting seat 21, the hot oil inlet 22, the hot oil outlet 23, the thermometer port 24, the pressure gauge port 25, the second reinforcing plate 26. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model;

[0020] It should be noted that, in the description of the utility model, it should be noted that the directions or position relations indicated by the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0021] Please refer to Figures 1-3The utility model provides a technical scheme: a hexachloroethane crude product caustic washing kettle good sealing, including cauldron body 1, cauldron cover 7 and stirring mechanism,

[0022] The top of cauldron body 1 is open, and a plurality of first connecting plates 2 are arranged on the periphery of the top of cauldron body 1; a jacket 3 is arranged on the periphery of cauldron body 1; a plurality of support seats 21 are arranged on the periphery of jacket 3; the overall support and the fixation between the platform are realized through support seats 21; a hot oil inlet 22 is arranged at the lower part of jacket 3; a hot oil outlet 23 is arranged at one side of the upper part of jacket 3; the hot oil into the jacket and the hot oil out of the jacket are realized respectively, so that the heat exchange with the inside of cauldron body is realized; a discharge port 4 is arranged at the bottom of cauldron body 1; a plurality of support rods 5 are arranged at the bottom end inside cauldron body 1 and at the discharge port 4; a shaft hole is formed in the center position of the upper surface of a supporting block 6;

[0023] The cauldron cover 7 is arranged at the opening at the top end of cauldron body 1; a plurality of second connecting plates 8 are arranged on the periphery of cauldron cover 7; the second connecting plates 8 correspond to the first connecting plates 2 one by one and are fixedly connected through bolts and nuts; a plurality of second reinforcing plates 26 are arranged on the lower surface of the first connecting plates 2 and the upper surface of the second connecting plates 8; the second reinforcing plates 26 on the lower surface of the first connecting plates 2 are connected with the outer surface of cauldron body 1; the second reinforcing plates 26 on the lower surface of the second connecting plates 8 are connected with the outer surface of cauldron cover 7; the structural strength of each first connecting plate 2 and second connecting plate 8 is ensured through the second reinforcing plates 26, so that the deformation is avoided, and the sealing property between cauldron cover 7 and cauldron body 1 is ensured; a through hole 9 is formed in the center position of cauldron cover 7; a sealing mounting plate 10 is arranged on the upper surface of cauldron cover 7 and at the through hole 9; an inner concave surrounding plate 11 is arranged at the bottom of cauldron cover 7; the inner concave surrounding plate 11 is connected with the inner wall of cauldron body 1; a ring groove is formed in the outer edge of the inner concave surrounding plate 11; a sealing ring 12 is arranged in the ring groove of the inner concave surrounding plate; the sealing ring 12 is pressed in the inner wall of cauldron body 1; a plurality of first reinforcing plates 13 are uniformly arranged on the inner wall of cauldron cover 7 along the radial direction; the bottom of the first reinforcing plates 13 is connected with the inner wall of the inner concave surrounding plate 11; cauldron cover 7 is provided with a hexachloroethane crude product feeding port 14, an alkali solution feeding port 15 and an exhaust port 16; cauldron cover 7 is further provided with a thermometer port 24 and a pressure gauge port 25, so that the thermometer and the pressure gauge are arranged respectively, and the temperature and the pressure in cauldron body are monitored;

[0024] The stirring mechanism comprises a motor 17, a main shaft 18, a connecting sleeve 19 and a stirring paddle 20; the motor 17 is arranged on the upper surface of the sealing mounting plate 10 through a flange; the output shaft of the motor 17 penetrates the sealing mounting plate 10 and is connected with the top end of the main shaft 18 through a coupling; the main shaft 18 is rotationally connected with the shaft hole of the supporting block 6; the connecting sleeve 19 is provided with the stirring paddle 20 on the periphery; the connecting sleeve 19 is sleeved with the main shaft 18 and is fixed through bolts; the stirring paddle 20 is rotationally arranged in cauldron body 1.

[0025] The installation method and use principle are as follows: during processing, the first reinforcing plate 13 is welded inside the cover 7, and the sealing ring 12 is sleeved on the annular groove of the inner recess plate 11, avoiding the hexachloroethane crude product feeding port 14, the lye feeding port 15, the exhaust port 16, the thermometer port 24 and the pressure gauge port 25. The sealing installation plate 10 is installed at the through hole 9 on the top of the cover 7, and then the motor 17 is installed on the upper surface of the sealing installation plate 10, at this time, the output shaft of the motor 17 penetrates through the sealing installation plate 10, and then the top end of the main shaft 18 is connected with the output shaft of the motor 17 through the shaft coupling, and then the stirring paddle 20 is connected with the lower part of the main shaft 18 through the connecting sleeve 19 and is fastened by bolts. Finally, the cover 7 is lifted, the stirring paddle 20 is inserted into the kettle body 1, the inner recess plate 11 is inserted into the top of the kettle body 1, the bottom of the main shaft 18 is matched with the shaft hole of the supporting block 6, the first connecting plate 2 and the second connecting plate 8 are corresponded one by one, the first connecting plate 2 and the corresponding second connecting plate 8 are fastened and connected by bolts and nuts, the assembly of the cover 7 and the kettle body 1 is completed, and the installation is completed. During use, the hexachloroethane crude product is sent into the kettle body 1 from the hexachloroethane crude product feeding port 14, the lye is sent into the kettle body 1 from the lye feeding port 15, the motor 17 is started, and hot oil is sent into the jacket 3 for heating in the kettle body 1, the motor 17 drives the rotating shaft to rotate, thereby driving the stirring paddle 20 to rotate, so that the hexachloroethane crude product and the lye are stirred, hydrogen chloride generated in the process is discharged from the exhaust port 16 and is recycled and treated, the hexachloroethane crude product after removal of hydrogen chloride and generated organic compounds and water are discharged from the discharge port 4 and enter the subsequent separation process. The utility model has the advantages of reasonable structure, the lower part of the cover 7 is provided with the inner recess plate 11, the cover 7 is inserted into the kettle body 1 through the inner recess plate 11, and is sealed through the sealing ring 12 in the annular groove of the inner recess plate 11, so that the sealing property between the kettle body 1 and the cover 7 is greatly improved, leakage is avoided, the environment is not polluted, and meanwhile, the cover 7 is internally provided with a plurality of first reinforcing plates 13, the bottom of the first reinforcing plate 13 is supported on the inner recess plate 11, the support property of the cover 7 and the inner recess plate 11 is greatly improved through the support of the first reinforcing plate 13, the cover 7 or the inner recess plate 11 is not deformed during long-term use, leakage is avoided, and the service life is improved.

[0026] The parts not described in the utility model are the known technology of the person skilled in the art.

[0027] Finally, it should be pointed out that the above specific embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model is described in detail with reference to the embodiments, the person skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and they should be covered in the claim range of the utility model.

Claims

1. A hexachloroethane crude caustic washing kettle with good sealing, characterized in that: It includes kettle body (1), kettle cover (7) and stirring mechanism; ​ The top of the kettle body (1) is open, the periphery of the top of the kettle body (1) is provided with a plurality of first connecting plates (2), the periphery of the kettle body (1) is provided with a jacket (3), the bottom of the kettle body (1) is provided with a discharge port (4), the bottom end inside the kettle body (1) and located at the discharge port (4) is provided with a supporting block (6) through a plurality of supporting rods (5), and the center position of the upper surface of the supporting block (6) is provided with a shaft hole. The kettle cover (7) is arranged at the opening of the top end of the kettle body (1), the periphery of the kettle cover (7) is provided with a plurality of second connecting plates (8), the second connecting plates (8) correspond to the first connecting plates (2) one by one and are fastened and connected through bolts and nuts, a through hole (9) is formed in the center position of the kettle cover (7), a sealing mounting plate (10) is arranged on the upper surface of the kettle cover (7) and located at the through hole (9), an inner recessed surrounding plate (11) is arranged at the bottom of the kettle cover (7), the inner recessed surrounding plate (11) is connected with the inner wall of the kettle body (1), an annular groove is formed in the outer edge of the inner recessed surrounding plate (11), a sealing ring (12) is arranged in the annular groove of the inner recessed surrounding plate, the sealing ring (12) is pressed on the inner wall of the kettle body (1), a plurality of first reinforcing plates (13) are uniformly arranged in the radial direction on the inner wall of the kettle cover (7), the bottom of the first reinforcing plate (13) is connected with the inner wall of the inner recessed surrounding plate (11), the kettle cover (7) is provided with a hexachloroethane crude product feeding port (14), a lye feeding port (15) and an exhaust port (16). The stirring mechanism includes a motor (17), a main shaft (18), a connecting sleeve (19) and a stirring paddle (20), the motor (17) is arranged on the upper surface of the sealing mounting plate (10) through a flange, the output shaft of the motor (17) penetrates the sealing mounting plate (10) and is connected with the top end of the main shaft (18) through a shaft coupling, the main shaft (18) is rotatably connected with the shaft hole of the supporting block (6), the connecting sleeve (19) is provided with a stirring paddle (20) on the periphery, the connecting sleeve (19) is sleeved with the main shaft (18) and is fastened through bolts, and the stirring paddle (20) is rotatably arranged in the kettle body (1).

2. The hexachloroethane crude product caustic washing kettle with good sealing according to claim 1, characterized in that: The periphery of the jacket (3) is provided with a plurality of supporting seats (21).

3. The hexachloroethane crude product caustic washing kettle with good sealing according to claim 1, characterized in that: The lower part of the jacket (3) is provided with a hot oil inlet (22), and one side of the upper part of the jacket (3) is provided with a hot oil outlet (23).

4. The hexachloroethane crude product caustic washing kettle with good sealing according to claim 1, characterized in that: The kettle cover (7) is also provided with a thermometer port (24) and a pressure gauge port (25).

5. The hexachloroethane crude product caustic washing kettle with good sealing according to claim 1, characterized in that: The lower surface of the first connecting plate (2) and the upper surface of the second connecting plate (8) are both provided with a plurality of second reinforcing plates (26), the second reinforcing plates (26) on the lower surface of the first connecting plate (2) are connected with the outer surface of the kettle body (1), and the second reinforcing plates (26) on the lower surface of the second connecting plate (8) are connected with the outer surface of the kettle cover (7).