Centrifugal solid-liquid separation device

By combining the inner and outer cylinder structure with the gas supply system, the problem of untimely discharge of solid residue in solid-liquid separators is solved by utilizing centrifugal force and gas pressurization, thereby improving separation efficiency and reducing equipment costs and energy consumption.

CN224167697UActive Publication Date: 2026-04-28ZHEJIANG JIACHENG ENERGY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG JIACHENG ENERGY TECHNOLOGY CO LTD
Filing Date
2025-04-08
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing centrifugal solid-liquid separators cannot promptly remove the separated solid residue during operation, resulting in low separation efficiency. Furthermore, increasing efficiency requires increasing equipment power and energy consumption, which may lead to equipment deformation.

Method used

It adopts an inner and outer cylinder structure, uses centrifugal force to throw out the liquid and discharge it through the drain pipe at the bottom of the outer cylinder. Combined with the air supply system, it uses an air compressor to pressurize the liquid so that it flows out quickly. Synchronous operation is achieved by using a drive motor and controller.

Benefits of technology

It improves liquid discharge efficiency, enhances the continuous working capacity of separation equipment, and reduces equipment costs and energy consumption.

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Abstract

The utility model relates to the technical field of centrifugal solid-liquid separation devices, and discloses a centrifugal solid-liquid separation device, which comprises a rotary inner cylinder and an outer cylinder sleeved outside the inner cylinder, the inner cylinder is a screen cylinder which throws out liquid through centrifugal force to leave solid, and the outer cylinder is sleeved outside the outer cylinder. And a drain pipe 16 is arranged at the bottom of the outer cylinder and is used for discharging separated liquid. According to the utility model, centrifugal force and gas pressurization are adopted to synchronously work, so that the liquid discharge efficiency is effectively improved, the liquid flow rate is increased, and at least one defect in the background technology can be improved, thereby achieving the beneficial effect of improving the equipment.
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Description

Technical Field

[0001] This utility model relates to the technical field of centrifugal solid-liquid separation devices, and in particular to a centrifugal solid-liquid separation device. Background Technology

[0002] The existing patent publication number (CN201810560725.4) discloses a centrifugal solid-liquid separator, relating to the technical field of solid-liquid separation equipment. It addresses the technical problem that during operation, the separated solid residue cannot be promptly discharged, leading to discontinuous operation and low separation efficiency. The centrifugal solid-liquid separator includes: a centrifuge body, a feed inlet, and a discharge device. The centrifuge body includes a filter cylinder connected to a power assembly, and the filter cylinder is equipped with a water filtration structure. The discharge device includes an air compressor assembly and a discharge pipe, with the feed inlet connected to the filter cylinder. This centrifugal solid-liquid separator allows for continuous operation without stopping for discharge, achieving high separation efficiency.

[0003] Its separation speed depends on the magnitude of centrifugal force. Therefore, if it is necessary to increase the working efficiency, the power of the drive equipment needs to be increased, which increases the equipment cost, weight, and energy consumption. Furthermore, excessive centrifugal force may cause deformation of some items.

[0004] This proposal is put forward in order to improve and optimize the above-mentioned problems or shortcomings. Utility Model Content

[0005] A centrifugal solid-liquid separation device includes a rotating inner cylinder and an outer cylinder fitted outside the inner cylinder. The inner cylinder is a sieve cylinder that throws out the liquid and leaves the solid by centrifugal force. A drain pipe 16 is provided at the bottom of the outer cylinder for discharging the separated liquid.

[0006] It also includes a drive motor that drives the inner cylinder to rotate;

[0007] The air supply system 13 includes at least one air compressor, a pipeline connecting the air compressor to the inner cavity of the outer cylinder, and a check valve disposed on the pipeline.

[0008] Preferably, it also includes a solid-liquid separation device support 10, on which a drive motor 12 is mounted. The main shaft of the drive motor 12 is connected to the input shaft of a reducer, and the output shaft of the reducer is coaxially connected to a rotating shaft 14 fixed at the upper end of a centrifugal drum 17. The centrifugal drum 17 is an inner cylinder, and an outer cylinder 15 is fixedly mounted on the solid-liquid separation device support 10. The drain pipe 16 is fixedly mounted at the bottom of the outer cylinder 15. The outer cylinder 15 is an outer cylinder.

[0009] Preferably, the external spacer sleeve of the centrifugal drum 17 is fixedly provided with a steel hoop 18 to improve the rigidity and strength of the perforated part of the centrifugal drum 17.

[0010] Preferably, an air supply system 13 is provided on the solid-liquid separation device support 10, wherein the air compressor is connected to the air supply pipe 19 provided on the solid-liquid separation device support 10 through a hose, and a dynamic sealing bearing is provided at the junction of the outer cylinder 15 of the separation cylinder and the rotating shaft 14 to achieve sealing at this point in the rotating state. The air supply pipe 19 sends compressed air from the air compressor into the outer cylinder 15 of the separation cylinder to pressurize it, so that the liquid can flow out quickly from the drain pipe 16.

[0011] Preferably, a controller 11 is fixedly mounted on the support 10 of the solid-liquid separation device, and the controller 11 controls the drive motor 12 and the air compressor.

[0012] Preferably, the centrifugal drum 17 has an opening on its side wall or top wall for adding materials that need to be separated, and the opening is sealed with a threaded cap.

[0013] The advantages and positive effects of this utility model are:

[0014] 1. By employing centrifugal force and gas pressurization for synchronous operation, the efficiency of liquid discharge is effectively accelerated, the liquid flow rate is increased, and at least one deficiency in the prior art is improved, thereby achieving the beneficial effect of improving the equipment. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure (internal structure) of this utility model.

[0018] The following are labels in the attached diagram: 10. Solid-liquid separation device support; 11. Controller; 12. Drive motor; 13. Air supply system; 14. Rotating shaft; 15. Outer cylinder of the separation cylinder; 16. Drain pipe; 17. Centrifugal drum; 18. Steel hoop; 19. Air supply pipe. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0020] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movement of the components in a specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance. The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:

[0021] like Figure 1-2 As shown, the centrifugal solid-liquid separation device of this utility model includes a rotating inner cylinder and an outer cylinder fitted outside the inner cylinder. The inner cylinder is a sieve cylinder that throws out the liquid and leaves the solid by centrifugal force. A drain pipe 16 is provided at the bottom of the outer cylinder to discharge the separated liquid.

[0022] It also includes a drive motor that drives the inner cylinder to rotate;

[0023] The air supply system 13 includes at least one air compressor, a pipeline connecting the air compressor to the inner cavity of the outer cylinder, and a check valve disposed on the pipeline.

[0024] Preferably, it also includes a solid-liquid separation device support 10, on which a drive motor 12 is mounted. The main shaft of the drive motor 12 is connected to the input shaft of a reducer, and the output shaft of the reducer is coaxially connected to a rotating shaft 14 fixed at the upper end of a centrifugal drum 17. The centrifugal drum 17 is an inner cylinder, and an outer cylinder 15 is fixedly mounted on the solid-liquid separation device support 10. The drain pipe 16 is fixedly mounted at the bottom of the outer cylinder 15. The outer cylinder 15 is an outer cylinder.

[0025] Preferably, the external spacer sleeve of the centrifugal drum 17 is fixedly provided with a steel hoop 18 to improve the rigidity and strength of the perforated part of the centrifugal drum 17.

[0026] Preferably, an air supply system 13 is provided on the solid-liquid separation device support 10, wherein the air compressor is connected to the air supply pipe 19 provided on the solid-liquid separation device support 10 through a hose, and a dynamic sealing bearing is provided at the junction of the outer cylinder 15 of the separation cylinder and the rotating shaft 14 to achieve sealing at this point in the rotating state. The air supply pipe 19 sends compressed air from the air compressor into the outer cylinder 15 of the separation cylinder to pressurize it, so that the liquid can flow out quickly from the drain pipe 16.

[0027] Preferably, a controller 11 is fixedly mounted on the support 10 of the solid-liquid separation device, and the controller 11 controls the drive motor 12 and the air compressor.

[0028] Preferably, the centrifugal drum 17 has an opening on its side wall or top wall for adding materials to be separated, and the opening is sealed with a threaded cap (not shown in the figure).

[0029] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.

Claims

1. A centrifugal solid-liquid separation device, characterized in that: It includes a rotating inner cylinder and an outer cylinder fitted outside the inner cylinder. The inner cylinder is a sieve cylinder that throws out the liquid by centrifugal force and leaves the solid. A drain pipe (16) is provided at the bottom of the outer cylinder to discharge the separated liquid. It also includes a drive motor that drives the inner cylinder to rotate; The air supply system (13) includes at least one air compressor and a pipeline connecting the air compressor to the inner cavity of the outer cylinder, as well as a check valve disposed on the pipeline.

2. The centrifugal solid-liquid separation device according to claim 1, characterized in that: It also includes a solid-liquid separation device support (10), on which a drive motor (12) is mounted. The main shaft of the drive motor (12) is connected to the input shaft of the reducer, and the output shaft of the reducer is coaxially connected to the rotating shaft (14) fixed at the upper end of the centrifugal drum (17). The centrifugal drum (17) is an inner cylinder, and an outer cylinder (15) of the separation cylinder is fixed on the solid-liquid separation device support (10). The drain pipe (16) is fixed at the bottom of the outer cylinder (15).

3. The centrifugal solid-liquid separation device according to claim 2, characterized in that: The centrifugal drum (17) is fixedly provided with steel bands (18) on the outer spacer to improve the rigidity and strength of the perforated part of the centrifugal drum (17).

4. A centrifugal solid-liquid separation device according to claim 3, characterized in that: An air supply system (13) is provided on the support (10) of the solid-liquid separation device. The air compressor is connected to the air supply pipe (19) provided on the support (10) of the solid-liquid separation device via a hose. A dynamic sealing bearing is provided at the junction of the outer cylinder (15) of the separation cylinder and the rotating shaft (14) to achieve sealing at this point in the rotating state. The air supply pipe (19) sends the compressed air from the air compressor into the outer cylinder (15) of the separation cylinder to pressurize it, so that the liquid can flow out quickly from the drain pipe (16).

5. A centrifugal solid-liquid separation device according to claim 4, characterized in that: A controller (11) is fixedly mounted on the support (10) of the solid-liquid separation device, and the controller (11) controls the drive motor (12) and the air compressor.

6. A centrifugal solid-liquid separation device according to claim 5, characterized in that: An opening is provided on the side wall or upper wall of the centrifugal drum (17) for adding materials that need to be separated, and the opening is sealed with a threaded cap.

Citation Information

Patent Citations

  • Centrifugal solid-liquid separator

    CN108745663A