Solid-liquid centrifugal separator

Abstract

The solid-liquid centrifugal separator comprises a shell, separation barrels, a driving motor and a cleaning rod, the driving motor is arranged on the inner bottom wall of the shell, the separation barrels are arranged in the shell at intervals and connected with an output shaft of the driving motor, separation holes are formed in the barrel walls of the separation barrels, and the cleaning rod comprises a rod scraping part and a connecting part. The scraping rod part is vertically arranged in the separation barrel and is adjacent to the barrel wall of the separation barrel; the connecting part is connected with the end part of the scraping rod part and is arranged on the peripheral wall of the shell in a penetrating manner; according to the solid-liquid centrifugal separator, solids bonded on the wall of the barrel can be automatically swept away through the cleaning rod, the separation holes are prevented from being blocked, and the separation operation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of solid-liquid separation equipment, and in particular to a solid-liquid centrifuge. Background Art

[0002] Vertical centrifuge is a commonly used solid-liquid separation equipment. Specifically, centrifugal force is used to throw the mixed slurry toward the barrel wall of the separation barrel. The filter holes set on the barrel wall can allow liquid to pass through and intercept the solid part to achieve solid-liquid separation. However, in long-term use, the solid part will stick to the wall of the centrifugal barrel and block the pores, resulting in poor separation effect and poor material discharge. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] The technical solution of the present invention provides a solid-liquid centrifuge, which can timely remove the solids adhered to the barrel wall, avoid clogging of the separation holes, and improve the separation operation efficiency.

[0005] The solid-liquid centrifuge of the embodiment of the present invention includes a shell, a separation barrel, a drive motor and a cleaning rod, wherein the drive motor is arranged on the inner bottom wall of the shell, the separation barrels are arranged in the shell at intervals and connected to the output shaft of the drive motor, the barrel wall of the separation barrel is provided with a separation hole, and the cleaning rod includes a scraper portion and a connecting portion, the scraper portion is vertically arranged in the separation barrel and adjacent to the barrel wall of the separation barrel, and the connecting portion is connected to the end of the scraper portion and is penetrated on the peripheral wall of the shell.

[0006] In the solid-liquid centrifuge of the embodiment of the present invention, the cleaning rod includes a scraper portion and a connecting portion, the scraper portion is vertically arranged in the separation barrel and adjacent to the barrel wall of the separation barrel, the connecting portion is connected to the end of the scraper portion and is penetrated on the peripheral wall of the shell, thereby, as the separation barrel rotates, the scraper portion will periodically sweep the barrel wall of the separation barrel, so that the adhered solids are swept away in time, avoiding clogging of the separation hole, and improving the separation operation efficiency.

[0007] In some embodiments, the radial position of the connecting portion along the housing is adjustable.

[0008] In some embodiments, the outer peripheral surface of the housing has a sleeve protruding radially outward, the connecting portion is inserted into the sleeve, and the connecting portion is fixed in the sleeve by a fastening bolt passing through the peripheral wall of the sleeve.

[0009] In some embodiments, the output end of the driving motor is connected to a vertically arranged support shaft, the outer periphery of the support shaft is provided with a support rod connected to the inner wall of the separation barrel, and the top of the support shaft is provided with a centrifugal disk opposite to the top feed port of the outer shell.

[0010] In some embodiments, the centrifugal disk is a conical block, and the cross-sectional area of ​​the conical block gradually decreases from top to bottom.

[0011] In some embodiments, the diameter of the centrifugal disc is not less than the diameter of the top feed port.

[0012] In some embodiments, the cleaning rod comprises an upper cleaning rod and a lower cleaning rod, and the upper cleaning rod and the lower cleaning rod are respectively located at upper and lower sides of the support rod in the height direction of the housing.

[0013] In some embodiments, the support rods are multiple and are arranged at intervals along the circumference of the support shaft.

[0014] In some embodiments, a radial bearing is provided between the separation barrel and the housing.

[0015] In some embodiments, a solid discharge port opposite to the separation barrel is provided on the bottom wall of the shell, and a liquid discharge port is provided on the peripheral wall of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the structure of a solid-liquid centrifuge according to an embodiment of the present invention.

[0017] Reference numerals:

[0018] Feed port 1, radial bearing 2, separation barrel 3, liquid discharge port 4, cleaning rod 5, drive motor 6, solid discharge port 7, housing 8. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] like Figure 1 As shown, the solid-liquid centrifuge of the present invention includes a housing 8 , a separation barrel 3 , a drive motor 6 and a cleaning rod 5 .

[0021] Specifically, the drive motor 6 is arranged on the inner bottom wall of the outer shell 8, the separation barrel 3 is arranged at intervals in the outer shell 8 and is connected to the output shaft of the drive motor 6, a separation hole is provided on the barrel wall of the separation barrel 3, and the cleaning rod 5 includes a scraping rod part and a connecting part, the scraping rod part is vertically arranged in the separation barrel 3 and adjacent to the barrel wall of the separation barrel 3, and the connecting part is connected to the end of the scraping rod part and is passed through the peripheral wall of the outer shell 8.

[0022] It can be understood that, since the scraper portion of the cleaning rod 5 is adjacent to the barrel wall of the separation barrel 3, the rotation of the separation barrel 3 will cause the scraper portion to periodically sweep the inner surface of the barrel wall, and the solids adhering to the barrel wall will be wiped off, thereby preventing the solids from adhering and piling up on the barrel wall and causing the separation hole to be blocked.

[0023] In the solid-liquid centrifuge of the embodiment of the present invention, the cleaning rod 5 includes a scraper portion and a connecting portion. The scraper portion is vertically arranged in the separation barrel 3 and adjacent to the barrel wall of the separation barrel 3. The connecting portion is connected to the end of the scraper portion and is passed through the peripheral wall of the outer shell 8. Therefore, as the separation barrel 3 rotates, the scraper portion will periodically sweep the barrel wall of the separation barrel 3, so that the adhered solids are swept away in time, avoiding clogging of the separation holes and improving the separation operation efficiency.

[0024] Furthermore, the radial position of the connecting portion along the shell is adjustable. In other words, the cleaning rod 5 can move inward and outward, and when the cleaning rod 5 moves inward, it can be used as a stirring structure to stir the slurry, and when the cleaning rod 5 moves outward to the adjacent barrel wall, it can be used as a cleaning structure to sweep away the bonded solids on the barrel wall. The cleaning rod 5 has multiple functions and can be flexibly adjusted according to working conditions.

[0025] Furthermore, if Figure 1 As shown, the outer peripheral surface of the housing 8 has a sleeve protruding outward in its radial direction, the connecting portion is inserted into the sleeve, and the connecting portion is fixed in the sleeve by a fastening bolt passing through the peripheral wall of the sleeve. Therefore, the fastening bolt can be used as a fixing part to fix and assemble the cleaning rod 5 and can also be used as an adjusting part to enable the cleaning rod 5 to move flexibly. When the cleaning rod 5 needs to be used to stir the slurry, the fixing bolt can be loosened first, and then the cleaning rod 5 is pushed inward, and the fixing bolt can be tightened after the cleaning rod 5 is moved into place. It can be understood that the bolt adjustment is simple and efficient, and it can also be used as a fixing part to realize the multi-functional utilization of the structural parts and save the number of parts.

[0026] In some embodiments, the output end of the driving motor 6 is connected to a vertically arranged support shaft, the outer periphery of the support shaft is provided with a support rod connected to the inner wall of the separation barrel 3, and the top of the support shaft is provided with a centrifugal disk opposite to the top feed port 1 of the housing 8. Thus, after the solid-liquid slurry enters the separation barrel 3 from the top feed port 1, it will directly fall on the centrifugal disk, and the rotation of the centrifugal disk can throw the slurry outward to achieve centrifugal separation.

[0027] Furthermore, the centrifugal disc is a conical block, and the cross-sectional area of ​​the conical block gradually decreases from top to bottom. Therefore, the conical surface of the conical block can be used to make the slurry swing outward more evenly, and the separation effect is better.

[0028] Furthermore, the diameter of the centrifugal disc is not less than the diameter of the top feed port 1. In other words, the centrifugal disc can completely cover the feed range of the feed port 1, preventing part of the slurry from falling outside the centrifugal disc and failing to be effectively separated.

[0029] In some embodiments, the cleaning rod 5 includes an upper cleaning rod and a lower cleaning rod, and the upper cleaning rod and the lower cleaning rod are respectively located on the upper and lower sides of the support rod in the height direction of the housing 8. It can be understood that the cleaning rod 5 periodically sweeps across the barrel wall, and the cleaning rod 5 is designed to be split to avoid interference and blocking between the support rod and the cleaning rod 5.

[0030] Preferably, the support rods are multiple and spaced apart along the circumference of the support shaft. Thus, multiple support rods can improve connection reliability, and the spaced apart support rods can form a hollow opening that allows solids to fall.

[0031] In some embodiments, a radial bearing 2 is provided between the separation barrel 3 and the housing 8. Thus, the radial bearing 2 can support the separation barrel 3, prevent the separation barrel 3 from deflecting or swinging during rotation, and ensure the effect of centrifugal separation.

[0032] Furthermore, a solid discharge port 7 is provided on the bottom wall of the housing 8, which is opposite to the separation barrel 3, and a liquid discharge port 4 is provided on the peripheral wall of the housing 8. Thus, the separated and thrown liquid can be collected separately through the liquid discharge port 4, and the solid isolated in the separation barrel 3 can be discharged separately along the solid discharge port 7, thereby achieving solid-liquid separation.

[0033] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0037] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0038] It should be understood that the present invention does not limit its application to the detailed structure and arrangement of the components proposed in this specification. The present invention can have other embodiments and can be implemented and executed in a variety of ways. The aforementioned variations and modifications fall within the scope of the present invention. It should be understood that the present invention and the invention defined in this specification extend to all alternative combinations of two or more individual features mentioned or evident in the text and / or the drawings. All these different combinations constitute multiple alternative aspects of the present invention. The embodiments of this specification illustrate the best mode known for implementing the present invention and will enable those skilled in the art to utilize the present invention.

Claims

1. A solid-liquid centrifuge, characterized in that: It includes an outer shell, a separation barrel, a driving motor and a cleaning rod, wherein the driving motor is arranged on the inner bottom wall of the outer shell, the separation barrels are arranged in the outer shell at intervals and are connected to the output shaft of the driving motor, a separation hole is provided on the barrel wall of the separation barrel, and the cleaning rod includes a scraping rod part and a connecting part, the scraping rod part is vertically arranged in the separation barrel and adjacent to the barrel wall of the separation barrel, and the connecting part is connected to the end of the scraping rod part and is passed through the peripheral wall of the outer shell.

2. The solid-liquid centrifuge according to claim 1, characterized in that: The radial position of the connecting portion along the housing is adjustable.

3. The solid-liquid centrifuge according to claim 2, characterized in that: The outer peripheral surface of the housing has a sleeve protruding outward in its radial direction, the connecting portion is inserted into the sleeve, and the connecting portion is fixed in the sleeve by a fastening bolt passing through the peripheral wall of the sleeve.

4. The solid-liquid centrifuge according to claim 1, characterized in that: The output end of the driving motor is connected to a vertically arranged support shaft, the outer periphery of the support shaft is provided with a support rod connected to the inner wall of the separation barrel, and the top of the support shaft is provided with a centrifugal disk opposite to the top feed port of the shell.

5. The solid-liquid centrifuge according to claim 4, characterized in that: The centrifugal disc is a conical block, and the cross-sectional area of ​​the conical block gradually decreases from top to bottom.

6. The solid-liquid centrifuge according to claim 4, characterized in that: The diameter of the centrifugal disc is not less than the diameter of the top feed port.

7. The solid-liquid centrifuge according to claim 4, characterized in that: The cleaning rod comprises an upper cleaning rod and a lower cleaning rod, and the upper cleaning rod and the lower cleaning rod are respectively located at upper and lower sides of the support rod in the height direction of the shell.

8. The solid-liquid centrifuge according to claim 4, characterized in that: The support rods are multiple and are arranged at intervals along the circumference of the support shaft.

9. The solid-liquid centrifuge according to claim 1, characterized in that: A radial bearing is provided between the separation barrel and the shell.

10. The solid-liquid centrifuge according to claim 1, characterized in that: The bottom wall of the shell is provided with a solid discharge port opposite to the separation barrel, and the peripheral wall of the shell is provided with a liquid discharge port.

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