Anti-clogging structure for discharge pipe of high-pressure reaction kettle

Abstract

Disclosed in the present application is an anti-clogging structure for a discharge pipe of a high-pressure reaction kettle. The anti-clogging structure comprises a mounting structure, an ultrasonic transducer and a driving structure, wherein the mounting structure is arranged on one side of a discharge pipe and comprises a mounting channel and a mounting member, the mounting channel being in communication with the interior of the discharge pipe, and the mounting member being slidably arranged in the mounting channel; the ultrasonic transducer is mounted on the mounting member; and the driving structure is connected to the mounting member and is used for driving the mounting member to slide in the mounting channel, such that the ultrasonic transducer is mounted on the inner wall of the discharge pipe in an abutting manner. The present application can effectively reduce the adhesion and accumulation of materials inside the pipe, thereby reducing the risk of clogging of the discharge pipe of the high-pressure reaction kettle.

Description

Discharge pipe anti-blocking structure of high-pressure reaction kettle TECHNICAL FIELD

[0001] The present application relates to the technical field of high-pressure reaction kettle discharge anti-blocking, in particular to a discharge pipe anti-blocking structure of high-pressure reaction kettle. BACKGROUND

[0002] About 60% of global land nickel resources exist in the form of laterite nickel ore. Laterite nickel ore has become a hot spot for research and development due to its abundant reserves, easy mining and transportation, and other characteristics. High-pressure acid leaching process is one of the mainstream smelting processes for laterite nickel ore, and its key technologies include ore slurry preheating, high-pressure acid leaching, neutralization and CCD countercurrent washing, product production, etc. High-pressure reaction kettle is the main equipment for high-pressure acid leaching process.

[0003] Chinese patent CN207430286U discloses a pressurized hydrometallurgical continuous reaction kettle, which comprises vertical autoclave I, horizontal autoclave, vertical autoclave II and vertical autoclave III connected in series, and adjacent reaction kettles are connected by flow guide pipes relying on pressure difference. Each reaction kettle is provided with independent stirring device, temperature control device, heating device, cooling device and pressure control device.

[0004] However, the existing high-pressure reaction kettle produces aluminum vanadium, iron vanadium and other substances during the reaction process, which causes the discharge pipe of the high-pressure reaction kettle to be frequently blocked due to scaling. When blocked, it needs to be stopped for descaling, which seriously affects the production efficiency.

[0005] SUMMARY

[0006] The purpose of the present application is to overcome the above technical deficiencies and provide a discharge pipe anti-blocking structure of high-pressure reaction kettle to solve the technical problem that the discharge pipe of the high-pressure reaction kettle is frequently blocked due to scaling in the prior art, which requires stopping for descaling and seriously affects the production efficiency.

[0007] To achieve the above technical purpose, the following technical scheme is adopted in the present application:

[0008] The present application provides a discharge pipe anti-blocking structure of high-pressure reaction kettle, which comprises a mounting structure, an ultrasonic transducer and a driving structure. The mounting structure is arranged on one side of the discharge pipe, which comprises a mounting channel and a mounting piece. The mounting channel is in communication with the inside of the discharge pipe, and the mounting piece is slidingly arranged in the mounting channel. The ultrasonic transducer is mounted on the mounting piece. The driving structure is connected with the mounting piece and is used to drive the mounting piece to slide in the mounting channel, so that the ultrasonic transducer is tightly mounted on the inner wall of the discharge pipe.

[0009] In some embodiments, the mounting structure further comprises a mounting shell connected to one side of the discharge pipe through a first flange, and a detachable shell connected to the mounting shell through a second flange, and a mounting channel is formed between the mounting shell and the detachable shell.

[0010] In some embodiments, a sliding path of the mounting member in the mounting channel forms a first station and a second station, when the mounting member is in the first station, the ultrasonic transducer is arranged inside the discharge pipe, and when the mounting member is in the second station, the ultrasonic transducer and the mounting member are both arranged inside the detachable shell.

[0011] In some embodiments, the discharge pipe anti-blocking structure of the high-pressure reactor further comprises a sealing member connected to the mounting shell, a sealing channel is formed in the mounting shell and transversely through the mounting channel, and a sealing end of the sealing member is slidingly arranged in the sealing channel to seal or open the mounting channel.

[0012] In some embodiments, the sealing member comprises a second movable sealing plug, a second threaded rod, and a second handle, the second movable sealing plug is slidingly arranged in the sealing channel, a second threaded groove is formed in one side of the second movable sealing plug along the length direction, one end of the second threaded rod is threadedly connected to the second threaded groove, and the other end of the second threaded rod penetrates through one side of the mounting shell and is connected to the second handle.

[0013] In some embodiments, the width of the sealing channel is greater than the width of the mounting channel.

[0014] In some embodiments, the mounting member comprises a first movable sealing plug and a mounting bracket, the first movable sealing plug is slidingly arranged inside the mounting channel, the mounting bracket is arranged on one side of the first movable sealing plug close to the discharge pipe, and a mounting groove and a threaded fixing groove corresponding to the mounting groove are arranged on the mounting bracket.

[0015] In some embodiments, the driving structure comprises a first threaded rod and a first handle, a first threaded groove is formed in one end of the first movable sealing plug away from the mounting bracket, one end of the first threaded rod is threadedly connected to the first threaded groove, and the other end of the first threaded rod penetrates through one side of the detachable shell and is connected to the first handle.

[0016] In some embodiments, the ultrasonic transducer is arranged in a ring shape.

[0017] In some embodiments, the ultrasonic transducer comprises a plurality of ultrasonic units, each of the ultrasonic units is arranged in a ring shape and sequentially arranged, one side of each of the ultrasonic units is arranged in close contact with the pipe wall of the discharge pipe, and the other side of each of the ultrasonic units extends to the middle part of the discharge pipe.

[0018] Compared with the prior art, the high-pressure reactor discharge pipe anti-blocking structure provided by the application has the following advantages: the installation structure is connected to the discharge pipeline on one side and can be installed at a position where the discharge pipeline is prone to be blocked, and the mounting part is used to fix the ultrasonic transducer; the ultrasonic transducer can extend to the inside of the discharge pipeline from one side of the pipeline after being installed and tightly contact with the inner wall of the discharge pipeline under the driving action of the driving structure. The ultrasonic energy generated by the ultrasonic transducer can generate high-frequency vibration in the pipeline, which can break the adhesion between the material particles and prevent the material from depositing on the inner wall of the pipeline; at the same time, the ultrasonic transducer is arranged in the inside of the discharge pipeline and directly contacts with the material, which can better transmit the ultrasonic energy and make the generated vibration better promote the flow of the material in the pipeline, thereby reducing the possibility of pipeline blockage, so that the device can effectively reduce the adhesion and accumulation of the material in the pipeline, thereby reducing the risk of pipeline blockage. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic diagram of the high-pressure reactor discharge pipe anti-blocking structure provided by the embodiment of the application when being installed;

[0020] Fig. 2 is a three-dimensional structural schematic diagram of the high-pressure reactor discharge pipe anti-blocking structure provided by the embodiment of the application;

[0021] Fig. 3 is a three-dimensional structural schematic diagram of the high-pressure reactor discharge pipe anti-blocking structure provided by the embodiment of the application;

[0022] Fig. 4 is a front view cross-sectional structural schematic diagram of the high-pressure reactor discharge pipe anti-blocking structure provided by the embodiment of the application;

[0023] Fig. 5 is a sealing part side view cross-sectional structural schematic diagram of the high-pressure reactor discharge pipe anti-blocking structure provided by the embodiment of the application.

[0024] Explanation of reference signs: 1, installation structure; 101, installation channel; 11, first movable sealing plug; 111, first threaded groove; 12, mounting frame; 13, mounting shell; 131, sealing channel; 14, detachable shell; 2, ultrasonic transducer; 3, driving structure; 31, first threaded rod; 32, first handle; 4, sealing part; 41, second movable sealing plug; 411, second threaded groove; 42, second threaded rod; 43, second handle; 5, high-pressure reactor body; 6, discharge pipeline. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the application more clear and explicit, the application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the application and not to limit the application.

[0026] In order to solve the technical problem that the discharge pipe of the high-pressure reaction kettle is often blocked due to scaling, resulting in shutdown for descaling and seriously affecting production efficiency, the application provides a high-pressure reaction kettle discharge pipe anti-blocking structure which can effectively reduce the adhesion and accumulation of materials in the pipe, thereby reducing the risk of pipe blockage.

[0027] Please refer to FIGS. 1-5, the high-pressure reaction kettle discharge pipe anti-blocking structure is used for installing on the discharge pipe 6 of the high-pressure reaction kettle body 5, which comprises a mounting structure 1, an ultrasonic transducer 2 and a driving structure 3, the mounting structure 1 is arranged on one side of the discharge pipe 6, which comprises a mounting channel 101 and a mounting piece, the mounting channel 101 is in communication with the inside of the discharge pipe 6, and the mounting piece is slidingly arranged in the mounting channel 101; the ultrasonic transducer 2 is mounted on the mounting piece; the driving structure 3 is connected with the mounting piece, which is used to drive the mounting piece to slide in the mounting channel 101, and the ultrasonic transducer 2 is tightly mounted on the inner wall of the discharge pipe 6.

[0028] In the device, the mounting structure 1 is connected with the discharge pipe 6 on one side of the discharge pipe 6, which can be installed at a position where the discharge pipe 6 is prone to blockage, such as near the discharge port of the high-pressure reaction kettle; the mounting structure 1 comprises a mounting channel 101 in communication with the inside of the discharge pipe 6 and a mounting piece slidingly arranged in the mounting channel 101, the mounting piece is used to fix the ultrasonic transducer 2, the ultrasonic transducer 2 can extend into the inside of the discharge pipe 6 from one side of the pipe after installation, and tightly contact with the inner wall of the discharge pipe 6 under the driving action of the driving structure 3; the ultrasonic energy generated by the ultrasonic transducer 2 can produce high-frequency vibration in the pipe, which can break the adhesion between the material particles and prevent the material from depositing on the inner wall of the pipe. At the same time, the ultrasonic transducer 2 is arranged in the inside of the discharge pipe 6 and directly contacts with the material, which can better transmit ultrasonic energy and promote the flow of material in the pipe, thereby reducing the possibility of blockage.

[0029] It should be noted that the driving circuit, control system and power supply are also provided in the scheme, which are used to cooperate with the ultrasonic transducer 2 to convert electrical energy into ultrasonic mechanical vibration energy. The ultrasonic transducer 2 cooperates with the driving circuit to provide the required voltage and current to excite the transducer to generate ultrasonic waves, and the driving circuit can be a simple oscillation circuit or a complex closed-loop control system. The control system is used to manage the working state of the ultrasonic transducer 2, including on-off control, frequency adjustment, power regulation, etc.

[0030] In order to realize the installation of the installation piece, in the embodiment, please refer to FIG. 2 to FIG. 4, the installation structure 1 further comprises an installation shell 13 and a detachable shell 14, one side of the installation shell 13 is connected with one side of the discharge pipeline 6 through a first flange plate, the sealing connection of the installation shell 13 and the discharge pipeline 6 is realized through the first flange plate, the other side of the installation shell 13 is connected with the detachable shell 14 through a second flange plate, so that the detachable shell 14 can be detached, the installation channel 101 perpendicular to the discharge pipeline 6 is formed between the inside of the installation shell 13 and the detachable shell 14, and the installation piece is movably arranged between the inside of the installation shell 13 and the detachable shell 14.

[0031] Among them, the sliding path of the installation piece in the installation channel 101 is formed with a first station and a second station, when the installation piece is in the first station, the ultrasonic transducer 2 is arranged in the inside of the discharge pipeline 6, at this time, the ultrasonic transducer 2 is in working state, used for generating high frequency vibration to prevent blocking; when the installation piece is in the second station, the ultrasonic transducer 2 and the installation piece are both located in the inside of the detachable shell 14.

[0032] In one embodiment, please refer to FIG. 4, the installation piece comprises a first movable sealing plug 11 and a mounting rack 12, the first movable sealing plug 11 is movably arranged in the inside of the installation channel 101, that is, can slide between the installation shell 13 and the detachable shell 14, the mounting rack 12 is fixedly arranged on the side of the first movable sealing plug 11 close to the discharge pipeline 6, the mounting rack 12 is provided with a mounting groove and a threaded fixing groove corresponding to the mounting groove, the mounting groove is used for placing the ultrasonic transducer 2, and the threaded fixing groove is used for cooperating with a bolt to realize the fixation of the ultrasonic transducer 2 and the mounting rack 12.

[0033] In order to drive the installation to move between the first station and the second station, in one embodiment, please refer to FIG. 2 to FIG. 4, the driving structure 3 comprises a first threaded rod 31 and a first handle 32, the first threaded groove 111 is formed in one end of the first movable sealing plug 11 away from the mounting frame 12, one end of the first threaded rod 31 is threadedly connected with the first threaded groove 111, and the other end of the first threaded rod 31 penetrates through one side of the detachable shell 14 and is connected with the first handle 32, wherein the connection position of the first threaded rod 31 with the detachable shell 14 is provided with a sealed connection. In implementation, the first handle 32 is used to rotate the first threaded rod 31, one end of the first threaded rod 31 is threadedly connected with the first threaded groove 111 of the first movable sealing plug 11, so that the first threaded rod 31 can drive the first movable sealing plug 11 to slide between the installation shell 13 and the detachable shell 14 when the first threaded rod 31 is rotated, the movement of the installation between the first station and the second station is realized, and after the ultrasonic transducer 2 is installed, the first movable sealing plug 11 can form a seal with the installation shell 13, so that the leakage of the ore pulp can be avoided.

[0034] In actual application, the ultrasonic transducer 2 may fail and need to be maintained or replaced. In order to enable the discharge pipeline 6 to be normally used when the ultrasonic transducer 2 is installed or removed, in the embodiment, please refer to FIG. 5, the high-pressure reaction kettle discharge pipeline anti-blocking structure further comprises a sealing member 4, the sealing member 4 is connected with the installation shell 13, specifically, the installation shell 13 further comprises a sealing channel 131 which transversely penetrates through the installation channel 101, and a sealing end of the sealing member 4 is slidingly arranged in the sealing channel 131, so as to seal or open the installation channel 101 when sliding.

[0035] In one embodiment, please refer to FIG. 2 to FIG. 5, the sealing member 4 comprises a second movable sealing plug 41, a second threaded rod 42 and a second handle 43, the second movable sealing plug 41 is slidingly arranged in the sealing channel 131, one side of the second movable sealing plug 41 is provided with a second threaded groove 411 along the length direction, one end of the second threaded rod 42 is threadedly connected with the second threaded groove 411, and the other end of the second threaded rod 42 penetrates through one side of the installation shell 13 and is fixedly connected with the second handle 43, wherein the connection position of the second threaded rod 42 with the installation shell 13 is provided with a sealed connection.

[0036] In implementation, the second handle 43 is used to rotate the second threaded rod 42, one end of the second threaded rod 42 is screwed with the second threaded groove 411 of the second movable sealing plug 41, so that the second threaded rod 42 can drive the second movable sealing plug 41 to slide in the sealing channel 131 of the installation shell 13, and when it moves towards the installation channel 101, it can seal the installation channel 101, and when it moves away from the installation channel 101, it can move away from the installation channel 101 and open the installation channel 101. When the ultrasonic transducer 2 needs to be maintained and replaced, the second movable sealing plug 41 can be sealed at the side opening of the discharge pipeline 6, so that the discharge pipeline 6 can be normally used when the ultrasonic transducer 2 is installed and removed.

[0037] Further, in some embodiments, the width of the sealing channel 131 is greater than the width of the installation channel 101.

[0038] It should be noted that the anti-blocking structure is arranged at the discharge pipeline 6 of the high-pressure reaction kettle body 5, and the ore pulp is in a high-temperature and high-pressure conveying environment, so the first movable sealing plug 11 and the second movable sealing plug 41 need to be able to withstand high temperature and high pressure. Therefore, the first movable sealing plug 11 and the second movable sealing plug 41 can be made of a material that can withstand high temperature and high pressure, such as stainless steel, nickel-based alloy, titanium alloy, aluminum oxide, silicon carbide (SiC), silicon nitride (Si3N4), or graphite reinforced composite material.

[0039] Preferably, in the present embodiment, the ultrasonic transducer 2 is arranged in a ring shape and is directly installed on the ring-shaped installation groove of the mounting frame 12 by bolts. After the ultrasonic transducer 2 is arranged on the discharge pipeline 6, it can uniformly contact the wall of the discharge pipeline 6, so that the ultrasonic energy distribution is more uniform and the hot spot or blind area is reduced.

[0040] Of course, in other embodiments, the ultrasonic transducer 2 can also be composed of a plurality of ultrasonic units, each of which is arranged in a ring shape to form a ring-shaped transducer. The ultrasonic units are installed in the ring-shaped array installation groove of the mounting frame 12 by bolts, one side of each ultrasonic unit is arranged in close contact with the wall of the discharge pipeline 6, and the other side extends to the middle of the discharge pipeline 6. This arrangement can increase the contact between the ultrasonic transducer 2 and the ore pulp and promote the flow of the material in the pipeline.

[0041] Working principle: in implementation, the ultrasonic transducer 2 is installed on the feeding pipeline under the action of the driving structure 3 and the mounting member, and is in close contact with the inner wall of the discharging pipeline 6, the ultrasonic transducer 2 can generate high-frequency vibration in the pipeline and promote the flow of the material in the pipeline, thereby reducing the possibility of pipeline blockage, when the ultrasonic transducer 2 needs to be maintained or replaced, the first handle 32 is rotated to rotate the first threaded rod 31, the first movable sealing plug 11 is slid between the mounting shell 13 and the detachable shell 14, until the first movable sealing plug 11 and the mounting frame 12 are slid into the inside of the detachable shell 14, then the second handle 43 is rotated to rotate the second threaded rod 42, the second movable sealing plug 41 is slid in the sealing channel 131 of the mounting shell 13, so that the second movable sealing plug 41 seals the mounting channel 101, the detachable shell 14 can be removed, and the ultrasonic transducer 2 can be maintained or replaced, at this time the discharging pipeline 6 can be normally used.

[0042] The application sets the mounting structure 1, the ultrasonic transducer 2 and the driving structure 3, the mounting structure 1 is connected with the discharging pipeline 6 on one side of the discharging pipeline 6, can be installed at the position where the discharging pipeline 6 is easy to be blocked, the mounting member is used for fixing the ultrasonic transducer 2, the ultrasonic transducer 2 can extend into the inside of the discharging pipeline 6 from one side of the pipeline after installation, and is in close contact with the inner wall of the discharging pipeline 6 under the driving action of the driving structure 3. The ultrasonic transducer 2 can generate high-frequency vibration in the pipeline, which can destroy the adhesion between the material particles and prevent the material from depositing on the inner wall of the pipeline; at the same time, the ultrasonic transducer 2 is arranged in the inside of the discharging pipeline 6 and directly contacts with the material, which can better transmit the ultrasonic energy, so that the generated vibration can promote the flow of the material in the pipeline, thereby reducing the possibility of pipeline blockage, so that the device can effectively reduce the adhesion and accumulation of the material in the pipeline, thereby reducing the risk of pipeline blockage.

[0043] The specific embodiments of the application described above do not constitute a limitation on the protection scope of the application. Any various other corresponding changes and modifications made according to the technical concept of the application should be included in the protection scope of the claims of the application.

Claims

1. A high-pressure reactor discharge pipe anti-blocking structure, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

2. The high-pressure reactor discharge pipe anti-blocking structure according to claim 1, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

3. The high-pressure reactor discharge pipe anti-blocking structure according to claim 2, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

4. The high-pressure reactor discharge pipe anti-blocking structure according to claim 3, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

5. The high-pressure reactor discharge pipe anti-blocking structure according to claim 4, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

6. The high-pressure reactor discharge pipe anti-blocking structure according to claim 5, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

7. The high-pressure reactor discharge pipe anti-blocking structure according to claim 2, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

8. The high-pressure reactor discharge pipe anti-blocking structure according to claim 7, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

9. The high-pressure reactor discharge pipe anti-blocking structure according to claim 1, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure.

10. The high-pressure reactor discharge pipe anti-blocking structure according to claim 1, characterized in that, The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. The application relates to a high-pressure reactor discharge pipe anti-blocking structure. 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