Solid-liquid separator applied to petrochemical refining

Abstract

The utility model relates to the technical field of petrochemical engineering, and discloses a solid-liquid separator applied to petrochemical engineering refining, an opening and closing device consists of a fixed shaft, a connecting plate, a baffle plate, a torsion spring, a fixed block, a fixed seat, a spring, a movable block and a limiting block, the connecting plate is movably installed outside the fixing shaft, the baffle is fixedly installed on the side face of the connecting plate, and the torsional spring is fixedly installed outside the fixing shaft. According to the solid-liquid separator applied to petrochemical refining, a forward and reverse motor is driven to rotate in the forward direction, a fixed block is in slope contact with a movable block, under the action of a limiting block and a spring, a connecting plate cannot rotate, the forward and reverse motor is driven to rotate in the reverse direction, the fixed block is in non-slope contact with the movable block, and the connecting plate can rotate; and under the action of the push plate, the solid raw materials are discharged from the through groove, and the solid materials do not need to be manually cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of petrochemical industry, in particular to a solid-liquid separator used in petrochemical refining. Background Art

[0002] After being mined, crude oil needs to go through refining and other processing steps before it can be processed into oil for the market. Oil refining is the process of cracking oil into different products such as gasoline, diesel, kerosene, petroleum gas, ethylene, asphalt, etc. through high-temperature distillation. The commonly used process flows of oil refining are atmospheric and vacuum distillation, catalytic cracking, delayed coking, hydrocracking, solvent deasphalting, hydrorefining and catalytic reforming.

[0003] The utility model with patent application number 202321257435.5 discloses a solid-liquid separator used in petrochemical industry, including a fixed cylinder, a feed port is provided on the top wall of the fixed cylinder, a guide pipe is connected to the bottom end of the side wall of the fixed cylinder, a separation cylinder is rotatably installed in the fixed cylinder, an opening is provided at the top of the separation cylinder and passes through the feed port, a uniformly distributed mesh hole is provided on the annular side wall of the separation cylinder, a rotating assembly connected to the separation cylinder is provided in the fixed cylinder, and a cleaning mechanism distributed in a ring around the separation cylinder is provided in the inner cavity of the fixed cylinder.

[0004] The solid-liquid separator used in petrochemical industry can automatically clear the mesh holes, effectively improve the solid-liquid separation efficiency, and solve the problem that solid raw materials are easily attached to the mesh surface and cause mesh blockage, thus affecting the solid-liquid separation efficiency. However, there are still areas for improvement. The device only performs solid-liquid separation by rotating the separation cylinder to generate centrifugal force, and its solid-liquid separation efficiency can be further improved. Secondly, after the device has been used for a period of time, it is necessary to manually clean the solids at the bottom of the separation cylinder, which is time-consuming and labor-intensive and cannot meet current needs. Utility Model Content

[0005] The purpose of the utility model is to provide a solid-liquid separator used in petrochemical refining 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 solid-liquid separator used in petrochemical refining, comprising a support frame, an outer cylinder, a separation cylinder, a cleaning device, and an opening and closing device, wherein the outer cylinder is fixedly mounted on the top of the support frame, the separation cylinder is rotatably mounted inside the outer cylinder, the cleaning device is arranged inside the separation cylinder, and the opening and closing device is arranged at the bottom of the outer cylinder.

[0007] The cleaning device consists of a rotating shaft, a motor, a push plate, a brush, and a scraper. The rotating shaft is rotatably installed inside the separation cylinder, the motor is fixedly installed on the top of the outer cylinder, the push plate is fixedly installed on the surface of the rotating shaft, the brush is fixedly installed on the side of the push plate, and the scraper is fixedly installed on the bottom of the push plate.

[0008] The opening and closing device is composed of a fixed shaft, a connecting plate, a baffle, a torsion spring, a fixed block, a fixed seat, a spring, a movable block, and a limit block. The fixed shaft is fixedly installed at the bottom of the outer cylinder, the connecting plate is movably installed on the outside of the fixed shaft, the baffle is fixedly installed on the side of the connecting plate, the torsion spring is fixedly installed on the outside of the fixed shaft, the fixed block is fixedly installed at the bottom of the connecting plate, the fixed seat is arranged below the fixed block, the spring is fixedly installed inside the fixed seat, the movable block is slidably installed inside the fixed seat, and the limit block is fixedly installed at the bottom of the outer cylinder.

[0009] Preferably, the output shaft of the motor is fixedly connected to the rotating shaft, and this arrangement can cause the rotating shaft to rotate by driving the motor.

[0010] Preferably, the brush is in close contact with the inner wall of the separation cylinder, and the scraper is in close contact with the bottom of the separation cylinder. The brush can be used to clean the solid raw materials on the inner wall of the separation cylinder to avoid clogging, and the scraper can be used to move the solid raw materials at the bottom of the separation cylinder to avoid accumulation, which is convenient for subsequent cleaning.

[0011] Preferably, a forward and reverse motor is arranged on the top of the support frame, the output shaft of the forward and reverse motor is fixedly connected to the bottom of the outer cylinder, and a fixed block is arranged on the side of the output shaft of the forward and reverse motor, and the outer cylinder and the fixed block can be driven to rotate by driving the forward and reverse motor.

[0012] Preferably, a through groove is formed at the bottom of the outer cylinder and the separation cylinder, and the baffle can completely cover the through groove. This arrangement allows the through groove to be opened and closed by the baffle.

[0013] Preferably, the other end of the torsion spring connected to the fixed shaft is connected to a connecting plate, and the connecting plate can be reset by the torsion spring.

[0014] Preferably, the other end of the spring connected to the fixed seat is connected to the moving block, and the moving block can be reset by the spring.

[0015] Preferably, the opposite side of the fixed block and the movable block is set as an inclined surface, and the limit block is set on the side opposite to the inclined surface of the fixed block and conflicts with the connecting plate. When the inclined surfaces of the fixed block and the movable block are in contact, the connecting plate will not rotate under the action of the limit block; when the non-inclined surfaces of the fixed block and the movable block are in contact, the connecting plate will rotate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The solid-liquid separator used in petrochemical refining rotates the shaft through a driving motor, the brush can clean the solid raw materials on the inner wall of the separation cylinder to avoid clogging, and the scraper can move the solid raw materials at the bottom of the separation cylinder to avoid accumulation;

[0018] (2) The solid-liquid separator used in petrochemical refining can drive the outer cylinder to rotate by driving the forward and reverse motors. Under the centrifugal force of the outer cylinder and the thrust of the push plate, the solid-liquid separation efficiency can be accelerated;

[0019] (3) The solid-liquid separator used in petrochemical refining drives the forward and reverse motors to rotate forward, and the fixed block and the movable block are in contact with the inclined surface. Under the action of the limit block and the spring, the connecting plate does not rotate. The forward and reverse motors are driven to rotate reversely, and the fixed block and the movable block are not in contact with the inclined surface. The connecting plate rotates, so that the baffle opens the through slot. Under the action of the push plate, the solid raw material is discharged from the through slot, and there is no need to manually clean up the solid matter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall structure of the opening and closing device of the utility model;

[0023] Figure 4 This is a schematic diagram of the fixed shaft, torsion spring and spring structure of the utility model.

[0024] In the figure: 1. support frame; 2. outer cylinder; 3. separation cylinder; 4. cleaning device; 401. rotating shaft; 402. motor; 403. push plate; 404. brush; 405. scraper; 5. opening and closing device; 501. fixed shaft; 502. connecting plate; 503. baffle; 504. torsion spring; 505. fixed block; 506. fixed seat; 507. spring; 508. moving block; 509. limit block. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4The utility model provides a technical solution: a solid-liquid separator used in petrochemical refining, including a support frame 1, an outer cylinder 2, a separation cylinder 3, a cleaning device 4, and an opening and closing device 5. The outer cylinder 2 is fixedly installed on the top of the support frame 1, the separation cylinder 3 is rotatably installed inside the outer cylinder 2, the cleaning device 4 is arranged inside the separation cylinder 3, and the opening and closing device 5 is arranged at the bottom of the outer cylinder 2.

[0027] The cleaning device 4 consists of a rotating shaft 401, a motor 402, a push plate 403, a brush 404, and a scraper 405. The rotating shaft 401 is rotatably installed inside the separation cylinder 3, the motor 402 is fixedly installed on the top of the outer cylinder 2, and the output shaft of the motor 402 is fixedly connected to the rotating shaft 401. This arrangement can rotate the rotating shaft 401 by driving the motor 402. The push plate 403 is fixedly installed on the surface of the rotating shaft 401, the brush 404 is fixedly installed on the side of the push plate 403, and the scraper 405 is fixedly installed on the bottom of the push plate 403. The brush 404 is in close contact with the inner wall of the separation cylinder 3, and the scraper 405 is in close contact with the bottom of the separation cylinder 3. The brush 404 can be provided to clean the solid raw materials on the inner wall of the separation cylinder 3 to avoid blockage. The scraper 405 can be provided to move the solid raw materials at the bottom of the separation cylinder 3 to avoid accumulation, which is convenient for subsequent cleaning.

[0028] The opening and closing device 5 is composed of a fixed shaft 501, a connecting plate 502, a baffle 503, a torsion spring 504, a fixed block 505, a fixed seat 506, a spring 507, a movable block 508, and a limit block 509. The fixed shaft 501 is fixedly installed at the bottom of the outer cylinder 2, the connecting plate 502 is movably installed outside the fixed shaft 501, and the baffle 503 is fixedly installed on the side of the connecting plate 502. The bottom of the outer cylinder 2 and the separation cylinder 3 are provided with through grooves, and the baffle 503 can be completely The through slot is covered, and the through slot can be opened and closed by the baffle 503. The torsion spring 504 is fixedly installed on the outside of the fixed shaft 501. The other end of the torsion spring 504 connected to the fixed shaft 501 is connected to the connecting plate 502. The connecting plate 502 can be reset by the torsion spring 504. The fixed block 505 is fixedly installed on the bottom of the connecting plate 502. The fixed seat 506 is arranged below the fixed block 505. A forward and reverse motor is arranged on the top of the support frame 1. The output of the forward and reverse motor The output shaft is fixedly connected to the bottom of the outer cylinder 2, and the fixed block 505 is arranged on the side of the output shaft of the forward and reverse motors. By driving the forward and reverse motors, the outer cylinder 2 and the fixed block 505 can be driven to rotate. The spring 507 is fixedly installed inside the fixed seat 506, and the moving block 508 is slidably installed inside the fixed seat 506. The other end of the spring 507 connected to the fixed seat 506 is connected to the moving block 508, and the moving block 508 can be reset by the spring 507. The limit block 509 is fixedly installed at the bottom of the outer cylinder 2. The opposite side of the fixed block 505 and the moving block 508 is set as an inclined surface. The limit block 509 is arranged on the side opposite to the inclined surface of the fixed block 505, and conflicts with the connecting plate 502. When the fixed block 505 and the moving block 508 are in contact with the inclined surface, the connecting plate 502 will not rotate under the action of the limit block 509. When the fixed block 505 and the moving block 508 are not in contact with the inclined surface, the connecting plate 502 will rotate.

[0029] When in use, the raw materials are added into the separation cylinder 3, the motor 402 is driven to rotate the shaft 401, the brush 404 can clean the solid raw materials on the inner wall of the separation cylinder 3 to avoid blockage, the scraper 405 can move the solid raw materials at the bottom of the separation cylinder 3 to avoid accumulation, and at the same time, by driving the forward and reverse motors to rotate forward, the outer cylinder 2 and the fixed block 505 can be driven to rotate, the fixed block 505 and the moving block 508 are in inclined contact, under the action of the limit block 509 and the spring 507, the connecting plate 502 will not rotate, under the centrifugal force of the outer cylinder 2 and the thrust of the push plate 403, the solid-liquid separation efficiency can be accelerated, after the solid-liquid separation is completed, the forward and reverse motors are driven to rotate reversely, the fixed block 505 and the moving block 508 are not in inclined contact, the connecting plate 502 will rotate, so that the baffle 503 opens the through slot, under the action of the push plate 403, the solid raw materials are discharged from the through slot, and the connecting plate 502 will be reset under the action of the torsion spring 504.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A solid-liquid separator used in petrochemical refining, comprising a support frame (1), an outer cylinder (2), a separation cylinder (3), a cleaning device (4), and an opening and closing device (5), characterized in that: The outer cylinder (2) is fixedly mounted on the top of the support frame (1), the separation cylinder (3) is rotatably mounted inside the outer cylinder (2), the cleaning device (4) is arranged inside the separation cylinder (3), and the opening and closing device (5) is arranged at the bottom of the outer cylinder (2); The cleaning device (4) is composed of a rotating shaft (401), a motor (402), a push plate (403), a brush (404), and a scraper (405); the rotating shaft (401) is rotatably mounted inside the separation cylinder (3); the motor (402) is fixedly mounted on the top of the outer cylinder (2); the push plate (403) is fixedly mounted on the surface of the rotating shaft (401); the brush (404) is fixedly mounted on the side of the push plate (403); and the scraper (405) is fixedly mounted on the bottom of the push plate (403); The opening and closing device (5) is composed of a fixed shaft (501), a connecting plate (502), a baffle (503), a torsion spring (504), a fixed block (505), a fixed seat (506), a spring (507), a movable block (508), and a limit block (509); the fixed shaft (501) is fixedly mounted on the bottom of the outer cylinder (2); the connecting plate (502) is movably mounted on the outside of the fixed shaft (501); and the baffle (503) is fixedly mounted on the connecting plate (50 2), the torsion spring (504) is fixedly mounted on the outside of the fixed shaft (501), the fixed block (505) is fixedly mounted on the bottom of the connecting plate (502), the fixed seat (506) is arranged below the fixed block (505), the spring (507) is fixedly mounted on the inside of the fixed seat (506), the moving block (508) is slidably mounted on the inside of the fixed seat (506), and the limit block (509) is fixedly mounted on the bottom of the outer cylinder (2).

2. A solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The output shaft of the motor (402) and the rotating shaft (401) are fixedly connected.

3. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The brush (404) is in close contact with the inner wall of the separation cylinder (3), and the scraper (405) is in close contact with the bottom of the separation cylinder (3).

4. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: A forward and reverse motor is arranged on the top of the support frame (1); the output shaft of the forward and reverse motor is fixedly connected to the bottom of the outer cylinder (2); and a fixing block (505) is arranged on the side of the output shaft of the forward and reverse motor.

5. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The bottoms of the outer cylinder (2) and the separation cylinder (3) are provided with through grooves, and the baffle (503) can completely cover the through grooves.

6. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The other end of the torsion spring (504) connected to the fixed shaft (501) is connected to the connecting plate (502).

7. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The other end of the spring (507) connected to the fixed seat (506) is connected to the moving block (508).

8. The solid-liquid separator used in petrochemical refining according to claim 1, characterized in that: The opposite side of the fixed block (505) and the movable block (508) is arranged as an inclined surface, and the limiting block (509) is arranged on the side opposite to the inclined surface of the fixed block (505) and abuts against the connecting plate (502).

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