Solid-liquid separation device for petrochemical engineering processing

By designing staggered separation tanks and separation components in petrochemical processing units, multi-stage solid-liquid separation of petrochemical products has been achieved, solving the problems of untimely discharge of solid materials and insufficient number of separation stages in existing units, and improving processing efficiency and quality.

CN223570223UActive Publication Date: 2025-11-21DAQING HUAKAI PETROCHEMICAL DESIGN ENG CO LTD
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Patent Information

Application Number
CN202423084488.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-21
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing solid-liquid separation equipment in petrochemical processing cannot discharge the separated solid materials in a timely manner, and cannot perform multi-stage separation, which affects processing efficiency and quality.

Method used

A solid-liquid separation device is designed, comprising two staggered separation tanks. Each tank is equipped with corresponding first and second separation components. The first separation component performs primary centrifugal separation, and the separated material enters the second separation component for secondary centrifugal separation. The solid material is then rapidly discharged through a conical structure and a spiral conveyor plate.

Benefits of technology

This technology enables multi-stage solid-liquid separation of petrochemical products, improving separation quality and efficiency, avoiding downtime for cleaning solid materials, and ensuring a continuous separation process.

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Abstract

The utility model discloses a solid-liquid separation device for petrochemical engineering processing, which comprises a separation box, two separation grooves are arranged on the separation box, the two separation grooves are staggered along the vertical direction, and a first separation component and a second separation component which correspond to each other are arranged in each separation groove. The device is used for multi-stage solid-liquid separation of petrochemical products; the first separation assembly and the second separation assembly are arranged in the separation grooves, the structure of the first separation assembly is matched with that of the second separation assembly, and the first separation assembly and the second separation assembly are horizontally installed in the separation grooves and used for solid-liquid separation of petrochemical products. According to the solid-liquid separation device, the two separation grooves which are staggered in the vertical direction are formed in the separation box, and the first separation assembly and the second separation assembly which correspond to each other are mounted in each separation groove, so that the solid-liquid separation device performs two-stage separation on the petrochemical products, and the solid-liquid separation quality of the petrochemical products is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum processing, specifically relates to solid -liquid separation device for petroleum chemical processing. BACKGROUND

[0002] Petroleum is processed from the crude oil exploitation, and after various processing technology, petroleum can produce gasoline, diesel, kerosene, petroleum gas, ethylene, asphalt and other products, and in the process of processing and production, solid -liquid mixture is often produced, and the solid -liquid mixture needs to be separated, and then processed.

[0003] The prior art petroleum chemical processing solid -liquid separation device (application number 202321911379.2 a kind of petroleum chemical solid -liquid separation equipment) separates the larger solid in solid -liquid mixture through sieve plate, makes solid -liquid mixture dispersed into barrel, and then centrifugal separation is carried out on solid -liquid mixture through barrel, which shortens the separation time of petroleum mixture and improves the petroleum processing efficiency.The solid -liquid separation device cannot discharge the separated solid in time, and the solid -liquid separation device cannot carry out multi-stage separation on petroleum chemical products, which affects the processing efficiency and processing quality of petroleum chemical industry. UTILITY MODEL CONTENT

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a solid -liquid separation device for petroleum chemical processing to solve the technical problems that the prior art solid -liquid separation device for petroleum chemical processing cannot discharge the separated solid in time, and the solid -liquid separation device cannot carry out multi-stage separation on petroleum chemical products, which affects the processing efficiency and processing quality of petroleum chemical industry.

[0005] According to the technical scheme provided by the embodiment of the application, the solid -liquid separation device for petroleum chemical processing comprises a separation tank, two separation grooves are arranged on the separation tank, the two separation grooves are staggered along the vertical direction, and a corresponding first separation assembly and a second separation assembly are installed in each separation groove for multi-stage solid -liquid separation of petroleum chemical products.

[0006] The first separation assembly and the second separation assembly are adapted to each other, and the first separation assembly and the second separation assembly are horizontally installed in each separation groove for solid -liquid separation of petroleum chemical products.

[0007] The first separating assembly comprises a first rotating driving member, a rotating shaft, two first gears, two second gears and a separating cylinder, the two second gears are installed side by side on the outside of the separating cylinder, each second gear is meshed and connected with a corresponding first gear, and the two first gears are installed side by side and spaced apart on the rotating shaft, the rotating shaft is fixedly connected with the output end of the first rotating driving member, so that the first rotating driving member drives the rotating of the separating cylinder.

[0008] Further, the front end of the separating cylinder is in a conical structure for discharging the separated solid substances.

[0009] Further, a conveying plate is arranged in the separating cylinder along the horizontal direction, and the conveying plate is in a spiral structure.

[0010] Further, different mesh separating holes are arranged on each separating cylinder of the first separating assembly and the second separating assembly, for separating the solid-liquid with different diameters.

[0011] Further, a corresponding discharging groove is arranged at the bottom of each separating groove, and the discharging groove at the lower side is connected with a discharging pipe for discharging the separated liquid material.

[0012] Further, a corresponding discharging port is arranged at the tail end of the separating box, and a corresponding discharging plate is installed on each discharging port, and the discharging plate is installed on the separating box in an inclined manner.

[0013] Further, the discharging groove at the upper side is connected with the feeding port on the separating groove at the lower side through a connecting pipe, for feeding the material after the first separation into the separating cylinder on the second separating assembly.

[0014] Further, the feeding hopper is connected with the feeding port on the separating box through a feeding pipe, and the feeding pipe is arranged in an inclined manner, so that the petroleum chemical product for solid-liquid separation can be fed into the separating cylinder on the first separating assembly.

[0015] In summary, the beneficial effects of the present application are:

[0016] I. By arranging two separating grooves in the vertical direction on the separating box, and installing a corresponding first separating assembly and a second separating assembly in each separating groove, the solid-liquid separation device can perform two-stage separation on the petroleum chemical product, thereby improving the solid-liquid separation quality of the petroleum chemical product.

[0017] II. The horizontally arranged first separating assembly and the second separating assembly can directly discharge the separated solid material during the solid-liquid separation process, avoiding the situation that the solid material cannot be discharged during the separation process and needs to be cleaned after stopping, thereby improving the processing efficiency of the petroleum chemical product. BRIEF DESCRIPTION OF DRAWINGS

[0018] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, when read in conjunction with the accompanying drawings:

[0019] Figure 1 It is a front view of the whole structure of the utility model;

[0020] Figure 2 It is a sectional structure three-dimensional schematic diagram of the utility model;

[0021] Figure 3 It is a front view of the sectional structure of the utility model.

[0022] Reference signs in the drawings: separation tank-100, separation groove-101, discharge groove-102, first separation assembly-200, first rotary driving member-210, rotating shaft-220, first gear-230, second gear-340, separation cylinder-250, separation hole-251, conveying plate-260, second separation assembly-300, discharge pipe-400, discharge plate-500, connecting pipe-600, feeding hopper-700, feeding pipe-800. DETAILED DESCRIPTION

[0023] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0025] The solid-liquid separation device for petroleum chemical processing has the structure as shown in Figures 1-3As shown, including separation tank 100, separation tank 100 is provided with two separation groove 101, two separation groove 101 along the vertical direction staggered arrangement, and each separation groove 101 is installed with the corresponding first separation assembly 200 and second separation assembly 300, for the multi-stage solid-liquid separation of petroleum chemical products, so as to improve the separation efficiency and separation quality of the solid-liquid separation device for petroleum chemical products; first separation assembly 200 and second separation assembly 300, the structure of first separation assembly 200 and second separation assembly 300 is suitable, and first separation assembly 200 and second separation assembly 300 are horizontally installed in each separation groove 101, so that the petroleum chemical products are horizontally centrifuged on the first separation assembly 200 and the second separation assembly 300, and the first separation assembly 200, which comprises a first rotating drive 210, a rotating shaft 220, two first gears 230, two second gears 240 and a separation cylinder 250, two second gears 240 are installed on the outside of the separation cylinder 250 in parallel, and each second gear 240 is engaged with each first gear 230, and two first gears 230 are installed on the rotating shaft 220 in parallel and at intervals, the rotating shaft 220 is fixedly connected with the output end of the first rotating drive 210, the first rotating drive 210 drives the two first gears 230 installed on the rotating shaft 220 to rotate, so that the two first gears 230 drive the two second gears 240 connected with them to rotate, so that the separation cylinder 250 installed with the two second gears 240 rotates, so that the centrifugal force generated in the rotating process of the separation cylinder 250 separates the petroleum chemical products by solid-liquid separation.

[0026] In the process of solid-liquid separation of the solid-liquid separation device for petroleum chemical products, the petroleum chemical products are conveyed by the conveying belt, continuously enter the feed hopper 700, and enter the separation cylinder 250 on the first separation assembly 200 through the feed pipe 800 arranged at the bottom of the feed hopper 700, so that the first rotating drive 210 on the first separation assembly 200 drives the two first gears 230 installed on the rotating shaft 220 to rotate, so that the two first gears 230 drive the two second gears 240 connected with them to rotate, so that the separation cylinder 250 installed with the two second gears 240 rotates, so that the centrifugal force generated in the rotating process of the separation cylinder 250 separates the petroleum chemical products by solid-liquid separation, and the separated liquid material still contains solid materials with a diameter smaller than the separation hole 251, so that the separated material enters the second separation assembly 300 from the upper discharge chute 102 connected to the bottom of the separation groove 101, and is subjected to secondary centrifugal separation in the second separation assembly 300, so that the liquid after two-stage separation is discharged along the discharge pipe 400 connected to the discharge chute 102 at the bottom of the lower separation groove 101, and the solid materials after one-stage separation and two-stage separation are discharged from the discharge plate connected to the discharge port at the front end of each separation cylinder 250.

[0027] As a preferred embodiment, refer to Figure 2 and Figure 3 , the front end of the separation cylinder 250 is tapered, and a conveying plate 260 is arranged in the separation cylinder 250 along the horizontal direction, the conveying plate 260 is in a spiral structure, so that the solid material separated by centrifugal force is moved to the front end of the separation cylinder 250 along the conveying plate 260 during the rotation of the separation cylinder 250 driven by the first rotating driving member 210, and the tapered structure of the separation cylinder 250 facilitates the discharge of the separated solid material.

[0028] As a preferred embodiment, refer to Figure 2 and Figure 3 , different mesh separation holes 251 are arranged on each separation cylinder 250 of the first separation assembly 200 and the second separation assembly 300, so that the petrochemical products are subjected to solid-liquid separation of different diameters on the first separation assembly 200 and the second separation assembly 300, thereby improving the

[0029] As a preferred embodiment, refer to Figure 2 and Figure 3 , a corresponding discharge groove 102 is arranged at the bottom of each separation groove 101, and a discharge pipe 400 is arranged at the bottom of the discharge groove 102 of the second separation assembly 300, and the discharge pipe 400 is used for discharging the liquid material separated in the second stage.

[0030] As a preferred embodiment, refer to Figure 1 and Figure 3 , a corresponding discharge port is arranged at the tail end of each separation groove 101 of the separation box 100, and a corresponding discharge plate 500 is arranged on each discharge port, the discharge plate 500 is in an arc structure and is arranged on the separation box 100 in an inclined manner, so that the solid material separated by each separation box 100 is discharged from each discharge port and enters each corresponding discharge plate 500, and is discharged from the inclined discharge plate 500, thereby replacing the original need to stop the machine to remove the solid material separated, so that the solid-liquid separation device can continuously separate the petrochemical products, thereby improving the solid-liquid separation efficiency of the petrochemical products.

[0031] As a preferred embodiment, refer to Figure 1 and Figure 3 , the discharge groove 102 connected to the bottom of the separation groove 101 of the first separation assembly 200 is connected to the feed port of the separation groove 101 below through the connecting pipe 600, so that the material separated in the first stage enters the separation cylinder 250 of the second separation assembly 300 from the connecting pipe 600, thereby improving the solid-liquid separation efficiency of the solid-liquid separation device for petrochemical products.

[0032] As a preferred embodiment, refer to Figure 1 andFigure 3 The feed hopper 700 is connected with the feed port on the separation tank 100 through a feed pipe 800, and the feed pipe 800 is arranged in an inclined manner, so that the petroleum chemical product for solid-liquid separation enters the separation cylinder 250 on the first separation assembly 200.

[0033] The working principle of the solid-liquid separation device for petroleum chemical processing is as follows:

[0034] During the solid-liquid separation process of the solid-liquid separation device on the petroleum chemical product, the petroleum chemical product is continuously fed into the feed hopper 700 through the conveying belt, and enters the separation cylinder 250 on the first separation assembly 200 along the feed pipe 800 arranged at the bottom of the feed hopper 700, so that the first rotating drive member 210 on the first separation assembly 200 drives the two first gears 230 mounted on the rotating shaft 220 to rotate, so that the two first gears 230 drive the two second gears 240 connected in meshing to rotate, so that the separation cylinder 250 mounted with the two second gears 240 rotates, so that the centrifugal force generated in the rotating process of the separation cylinder 250 performs primary solid-liquid separation on the petroleum chemical product, and the separated solid material is conveyed through the spiral conveying plate 260 mounted in the separation cylinder 250, and is discharged from the discharge port arranged at the front end of the separation cylinder 250, and the separated liquid material still contains solid material with a diameter smaller than the separation hole 251, so that the separated material enters the discharge chute 102 connected to the bottom of the separation groove 101 on the first separation assembly 200, and enters the separation cylinder 250 on the second separation assembly 300 from the upper discharge chute 102, and is subjected to secondary centrifugal separation under the drive of the first rotating drive member 210 on the second separation assembly 300, so that the secondary separated liquid is discharged along the discharge pipe 400 connected to the discharge chute 102 at the bottom of the separation groove 101, and the solid material subjected to primary separation and secondary separation is discharged from the discharge plate connected to the discharge port at the front end of each separation cylinder 250, so that the petroleum chemical product is continuously subjected to solid-liquid separation on the solid-liquid separation device, and the solid material after solid-liquid separation does not need to be removed during shutdown, thereby improving the processing efficiency and processing quality of the solid-liquid separation device on the petroleum chemical product.

[0035] The above description is only the preferred embodiment of the present application and the description of the technical principle and other schemes. Meanwhile, the utility model range involved in the present application is not limited to the technical scheme formed by the specific combination of the above technical features, and should also cover other technical schemes formed by any combination of the above technical features or equivalent features without departing from the utility model concept. For example, the technical scheme formed by replacing the above features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A solid-liquid separation device for petrochemical processing, characterized in that: Includes a separation box (100), on which two separation tanks (101) are provided. The two separation tanks (101) are staggered along the vertical direction, and each separation tank (101) is equipped with a corresponding first separation component (200) and a second separation component (300) for multi-stage solid-liquid separation of petrochemical products. The first separation component (200) and the second separation component (300) have compatible structures and are horizontally installed in each of the separation tanks (101) for solid-liquid separation of petrochemical products. The first separation assembly (200) includes a first rotation drive (210), a rotating shaft (220), two first gears (230), two second gears (240), and a separation cylinder (250). The two second gears (240) are mounted side by side on the outside of the separation cylinder (250), and each second gear (240) meshes with the corresponding first gear (230). The two first gears (230) are mounted side by side and spaced apart on the rotating shaft (220). The rotating shaft (220) is fixedly connected to the output end of the first rotation drive (210) so that the first rotation drive (210) drives the separation cylinder (250) to rotate.

2. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: The front end of the separation cylinder (250) has a conical structure for discharging the separated solid material.

3. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: The separation cylinder (250) is also provided with a conveying plate (260) along the horizontal direction, and the conveying plate (260) has a spiral structure.

4. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: Each of the separation cylinders (250) on the first separation component (200) and the second separation component (300) is provided with separation holes (251) of different mesh sizes for solid-liquid separation of different diameters.

5. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: Each of the separation tanks (101) has a corresponding discharge tank (102) at the bottom. The discharge tank (102) located below is connected to the discharge pipe (400) for discharging the separated liquid material.

6. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: The tail end of the separation box (100) is provided with a corresponding discharge port, and each discharge port is equipped with a corresponding discharge plate (500). The discharge plate (500) is installed on the separation box (100) in an inclined manner.

7. The solid-liquid separation device for petrochemical processing according to claim 5, characterized in that: The upper discharge trough (102) is connected to the feed inlet on the lower separation trough (101) via a connecting pipe (600) so that the material after primary separation can enter the separation cylinder (250) on the second separation component (300).

8. The solid-liquid separation device for petrochemical processing according to claim 1, characterized in that: The feed hopper (700) is connected to the feed port on the separator (100) via the feed pipe (800).

Citation Information

Patent Citations

  • Petrochemical solid-liquid separation equipment

    CN220370618U