An improved centrifuge

Abstract

This invention relates to the field of centrifuge technology, and more particularly to an improved centrifuge. This invention separates solid particles mixed in a liquid through primary filtration. During the rotation of the guide rod driven by the centrifugal motor, the interaction between the mating protrusions on the inner wall of the lower outer shell that engage with the internal concave-convex structure of the mating groove, and the protrusions uniformly arranged on the outer wall of the bottom of the screening funnel that engage with the ball bearings at the top of the guide rod, causes the screening funnel to vibrate to a certain height. This increases the rapid filtration and separation between the solid particles and the highly viscous liquid. The centrifugal motor indirectly causes the guide platform to vibrate up and down to a certain extent. During this up-and-down vibration, several isolation nets with different mesh densities are repeatedly tensioned and relaxed, thereby promoting the separation of the separated flocculent matter from the nets and significantly improving the centrifugation effect of the nets on the liquid during centrifugation.

Description

Technical Field

[0001] This invention relates to the field of centrifuge technology, and more particularly to an improved centrifuge. Background Technology

[0002] A centrifuge is a machine that uses centrifugal force to separate the components of a mixture of liquids and solid particles or liquids. Centrifuges are mainly used to separate solid particles from liquids in suspensions, or to separate two immiscible liquids with different densities in emulsions; they can also be used to remove liquid from wet solids.

[0003] Current centrifuges, when used to separate solids or flocculent matter from liquids in suspensions, mainly suffer from the following problems: During centrifugation, some flocculent matter passes through the filter screen due to inertia, resulting in lower purity of the centrifuged liquid; some flocculent matter clogs the filter screen during centrifugation, reducing its permeability and affecting subsequent centrifugation; furthermore, most liquid centrifugations simultaneously perform primary filtration of solid particles to ensure centrifugation efficiency, but for some highly viscous liquids mixed with solid particles, the solid particles cannot settle freely to complete separation from the liquid, resulting in poor flowability and low centrifugation efficiency; or they may clog the filter screen; and for some highly viscous liquids, the centrifuged liquid adheres to the inner wall of the casing, leading to a significant waste of centrifuged liquid.

[0004] Therefore, in order to improve the centrifugation effect of centrifuges on flocculent materials, prevent flocculent materials from clogging the filter screen, and improve the separation effect between solid particles and highly viscous liquids, this invention provides an improved centrifuge. Summary of the Invention

[0005] In view of the above problems, this application provides an improved centrifuge to solve the technical problem in the related art that when solids or flocculent objects in suspension are centrifuged from liquids, flocculent objects clog the filter screen, making it difficult to separate solid particles from highly viscous liquids.

[0006] An improved centrifuge provided by an embodiment of the present invention includes: a shell, a liquid clarifying unit, a centrifugation unit, and a sieving unit. The centrifugation unit is rotatably disposed on the bottom wall of the shell, and the sieving unit is disposed inside the cavity of the shell and can slide up and down. The sieving unit cooperates with the centrifugation unit, and the liquid clarifying unit is disposed on the inner wall of the shell and can slide up and down.

[0007] The housing consists of a lower outer shell, a middle outer shell, and an upper outer shell, which are connected sequentially by threaded connections.

[0008] The centrifugal unit includes a centrifugal motor mounted on the bottom wall of the lower housing via a motor mount, and the output shaft of the centrifugal motor extends into the cavity of the lower housing. The end of the output shaft of the centrifugal motor has a square structure. Inside the housing, there is also a flow guide platform that is inserted and limited to the output shaft of the centrifugal motor. A flow guide rod is inserted and fixed at the top of the flow guide platform. A channel is provided inside the flow guide rod, and flow holes that communicate with the outside are evenly arranged inside the channel. The outer wall at the top of the flow guide rod has an arc-shaped concave structure, and ball bearings are evenly arranged in the arc-shaped concave structure.

[0009] According to an advantageous embodiment, a receiving hood is fixedly installed on the outer wall of the guide rod at the liquid inlet of the channel. The receiving hood has a funnel-shaped structure and overlaps the inner wall of the lower outer shell. Ball bearings are evenly arranged on the outer wall of the lower outer shell where it contacts the receiving hood. Several annular grooves radiating from the inside out are evenly arranged on the outer wall of the guide platform and the lower outer wall of the receiving hood. An isolation component is engaged between two corresponding annular grooves, and the isolation density of the isolation component increases sequentially from the radius of the guide platform. An arc-shaped mating groove is provided on the bottom outer wall of the guide platform, and the mating groove has a wavy concave-convex structure. Mating protrusions that mate with the concave-convex structure inside the mating groove are evenly arranged on the inner wall of the lower outer shell.

[0010] According to an advantageous embodiment, the bottom inner wall of the lower outer shell is an annular concave structure, and the annular concave structure is an inclined structure with the left side lower and the right side higher. A discharge pipe that communicates with the interior is provided on the outer wall of the lower outer shell. Vertical strip grooves are evenly opened on the circumferential outer wall of the lower outer shell, and an electromagnetic block is slidably arranged up and down in the strip groove. An air inlet pipe and a liquid inlet pipe that communicate with the interior are respectively provided on the upper outer wall of the upper outer shell.

[0011] According to an advantageous embodiment, the cleaning unit includes a cleaning ring with an annular structure, and the inner wall of the cleaning ring is inclined from top to bottom toward the center of the cleaning ring; the outer wall of the cleaning ring is provided with a metal block that magnetically attracts the electromagnetic block.

[0012] According to an advantageous embodiment, the isolation assembly comprises an isolation net and annular covers disposed at both ends of the isolation net. The annular covers are uniformly slidably provided with Z-shaped snap-fit ​​members along their outer walls, and the snap-fit ​​members are connected to the annular covers by spring contact; the snap-fit ​​members are snapped into the annular groove.

[0013] According to an advantageous embodiment, the screening unit includes a contact block evenly arranged by springs inside the upper housing, and a support rod evenly arranged on the upper side inside the middle housing. It also includes a screening funnel that is snapped onto the upper end of the support rod and abuts against the lower end of the contact block. The bottom outer wall of the screening funnel is evenly provided with protrusions that cooperate with the balls at the top of the guide rod.

[0014] According to an advantageous embodiment, the upper outer wall of the guide rod is provided with a rubber disc to prevent splashing of the sieved liquid.

[0015] Compared with the prior art, the improved centrifuge provided in this embodiment of the invention has the following beneficial effects:

[0016] 1. In this invention, when the liquid is centrifuged and filtered, the centrifugal unit and the sieving unit are driven to shake up and down, which promotes the centrifugal filtration of highly viscous liquid and allows impurities to fall off the isolation net, preventing flocculent matter from clogging the isolation net.

[0017] 2. In this invention, the filter liquid on the inner wall of the shell is cleaned by the cleaning ring through the action of magnetic force, ensuring that all the filter liquid inside is discharged from the inside of the shell.

[0018] 3. The detachable annular cover in the isolation component of this invention facilitates the replacement of the internal isolation component or the cleaning of internal debris after centrifugation during long-term use, effectively ensuring the centrifugation effect each time. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the improved centrifuge of the present invention.

[0020] Figure 2 This is the present invention. Figure 1 A sectional view.

[0021] Figure 3 For the present invention Figure 2 Enlarged view of a portion of point A in the middle.

[0022] Figure 4 For the present invention Figure 2 Enlarged view of section B in the middle.

[0023] Figure 5 This is a three-dimensional structural diagram of the guide rod of the present invention.

[0024] Figure 6 For the present invention Figure 2 Enlarged view of a section at point C.

[0025] Figure 7 For the present invention Figure 4 Enlarged view of a section at point D.

[0026] Figure reference numerals:

[0027] 1. Shell; 2. Clarifying unit; 3. Centrifugal unit; 4. Sieving unit; 11. Lower outer shell; 12. Middle outer shell; 13. Upper outer shell; 14. Electromagnetic block; 21. Cleaning ring; 22. Metal block; 31. Centrifugal motor; 32. Guide platform; 33. Guide rod; 331. Rubber disc; 332. Channel; 34. Receiving cover; 35. Isolation assembly; 351. Isolation net; 352. Annular cover; 353. Snap-fit ​​component; 41. Abutment block; 42. Support rod; 43. Sieving funnel; 44. Protrusion. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-6 This application will now be described in further detail.

[0029] This application discloses an improved centrifuge. Specifically, this improved centrifuge is mainly used for centrifuging liquids with high viscosity and solid particles mixed in the liquid. Primary filtration separates the solid particles mixed in the liquid. Furthermore, to improve liquid flowability and promote solid-liquid separation, during the rotation of the guide rod 33 driven by the centrifugal motor 31, the interaction between the mating protrusions on the inner wall of the lower outer casing 11 that engage with the internal concave-convex structure of the mating groove, and the protrusions 44 uniformly arranged on the bottom outer wall of the screening funnel 43 that engage with the ball bearings at the top of the guide rod 33, is achieved. The screening funnel 43 is shaken to a certain height, thereby increasing the rapid filtration and separation between the solid particles and the highly viscous liquid inside. As the centrifugal motor 31 drives the guide rod 33 to rotate, the inner wall of the lower outer shell 11 at the lower end, which is equipped with a matching protrusion that matches the concave and convex structure inside the matching groove, causes the guide table 32 to shake up and down to a certain extent. During the up and down shaking, the several isolation nets 351 with different mesh densities are repeatedly tightened and relaxed, thereby promoting the separation of the separated flocculent matter from the isolation nets 351, and fully improving the centrifugation effect of the isolation nets 351 on the liquid during the centrifugation process.

[0030] Please refer to the following: Figure 1 and Figure 2 An improved centrifuge includes: a shell 1, a clearing unit 2, a centrifugation unit 3, and a sieving unit 4. The centrifugation unit 3 is rotatably mounted on the bottom wall of the shell 1. The sieving unit 4 is located inside the cavity of the shell 1 and can slide up and down. The sieving unit 4 cooperates with the centrifugation unit 3. The clearing unit 2 is located on the inner wall of the shell 1 and slides up and down.

[0031] Please refer to the following: Figure 1 and Figure 2The housing 1 is composed of a lower outer shell 11, a middle outer shell 12, and an upper outer shell 13, wherein the lower outer shell 11, the middle outer shell 12, and the upper outer shell 13 are connected sequentially by a threaded connection; the bottom inner wall of the lower outer shell 11 has an annular concave structure, and the annular concave structure is an inclined structure with the left side lower and the right side higher; a discharge pipe that communicates with the interior is provided on the outer wall of the lower outer shell 11; vertical strip grooves are evenly opened on the circumferential outer wall of the lower outer shell 11, and an electromagnetic block 14 is slidably arranged up and down in the strip groove; the upper outer wall of the upper outer shell 13 is respectively provided with an air inlet pipe and a liquid inlet pipe that communicate with the interior.

[0032] When in use, the liquid to be centrifuged is injected into the interior of the housing 1 through the liquid inlet pipe. In order to ensure that some liquids with high viscosity can be completely discharged from the interior of the housing 1 after centrifugation, an external air pump can be connected to the air inlet pipe. After centrifugation, the air pump is used to inject air so that the air pressure inside the housing 1 is greater than the external air pressure, so that all the centrifuged liquid is discharged from the interior of the housing 1.

[0033] Please refer to the following: Figure 4 The cleaning unit 2 includes a ring-shaped cleaning ring 21, and the inner wall of the cleaning ring 21 is inclined from top to bottom toward the center of the cleaning ring 21; the outer wall of the cleaning ring 21 is provided with a metal block 22 that is magnetically attracted to the electromagnetic block 14.

[0034] After centrifugation, for liquids with excessive viscosity that tend to stick to the inner wall of the shell 1, the electromagnetic block 14 moves up and down to drive the cleaning ring 21 inside the shell 1 to move up and down along the inside of the shell 1 to complete the scraping operation on its inner wall. This can promote the complete discharge of the liquid after centrifugation inside the shell 1. Furthermore, setting the cleaning ring 21 to have an inner wall that is inclined from top to bottom towards the center of the cleaning ring 21 can prevent liquid from adhering to the cleaning ring 21.

[0035] Please refer to the following: Figure 2 and Figure 5 The centrifugal unit 3 includes a centrifugal motor 31 mounted on the bottom wall of the lower outer shell 11 via a motor mount, and the output shaft of the centrifugal motor 31 extends into the cavity of the lower outer shell 11. The end of the output shaft of the centrifugal motor 31 has a square structure. Inside the shell 1, a guide platform 32 is also provided, which is inserted and limited to the output shaft of the centrifugal motor 31. A guide rod 33 is inserted and fixed at the top of the guide platform 32. A channel 332 is provided inside the guide rod 33, and flow holes communicating with the outside are uniformly arranged inside the channel 332. The outer wall at the top of the guide rod 33 has an arc-shaped concave structure, and ball bearings are uniformly arranged in the arc-shaped concave structure. A rubber disc 331 is provided on the upper outer wall of the guide rod 33 to prevent the liquid after sieving from splashing.

[0036] Please refer to the following: Figure 2 , Figure 4 and Figure 6 The outer wall of the guide rod 33 is fixedly provided with a receiving cover 34 at the liquid inlet of the channel 332. The receiving cover 34 has a funnel-shaped structure and overlaps the inner wall of the lower outer shell 11. The outer wall of the lower outer shell 11 at the contact point with the receiving cover 34 is uniformly provided with ball bearings. The outer wall of the guide platform 32 and the lower outer wall of the receiving cover 34 are both uniformly provided with several annular grooves radiating from the inside to the outside. An isolation component 35 is jointly engaged between two corresponding annular grooves. The isolation density of the isolation components 35 increases sequentially from the radial direction of the guide platform 32. The bottom outer wall of the guide platform 32 is provided with an arc-shaped mating groove, and the mating groove has a wavy concave-convex structure. The inner wall of the lower outer shell 11 is uniformly provided with mating protrusions that mate with the concave-convex structure inside the mating groove.

[0037] During centrifugation, the liquid that has passed through the screening funnel 43 after primary filtration flows along the guide rod 33 into the innermost isolation component 35. As the guide rod 33 rotates, it drives the liquid inside to rotate at high speed. Through inertia, the liquid is thrown out, gradually coming into contact with the outer isolation component 35 to complete centrifugation. During the centrifugation process, in order to improve the isolation effect of the isolation component 35 and prevent some flocculent matter and highly viscous liquid from adhering to the isolation component 35, the matching protrusions on the inner wall of the lower outer shell 11 and the matching grooves on the bottom outer wall of the guide platform 32 interact to drive the guide platform 32 to move up and down reciprocally. This causes the isolation component 35 to tighten and loosen, thereby promoting the falling off of flocculent matter and improving the isolation effect of the isolation component 35. Furthermore, the arrangement of multiple isolation components 35 can effectively and orderly filter impurities in the liquid by centrifugation, ensuring the effect of liquid filtration.

[0038] Please refer to the following: Figure 4 and Figure 7 The isolation component 35 comprises an isolation net 351 and annular covers 352 disposed at both ends of the isolation net 351. The isolation net 351 is woven from flexible silk material and has a deformable structure. The mesh density of the isolation net 351 gradually decreases from the outside to the inside. The annular cover 352 is uniformly slidably provided with Z-shaped snap-fit ​​members 353 along its outer wall, and the snap-fit ​​members 353 and the annular cover 352 are connected by spring contact. The snap-fit ​​members 353 are snapped into the annular groove.

[0039] The detachable annular cover 352 in the isolation component 35 makes it easy to replace the internal isolation component 35 or clean the internal debris after centrifugation during long-term use, effectively ensuring the centrifugation effect each time.

[0040] Please refer to the following: Figure 3 and Figure 4The screening unit 4 includes a contact block 41 evenly arranged by springs inside the upper outer shell 13, and a support rod 42 evenly arranged on the upper side inside the middle outer shell 12. It also includes a screening funnel 43 that is snapped onto the upper end of the support rod 42 and abuts against the lower end of the contact block 41. The bottom outer wall of the screening funnel 43 is evenly provided with protrusions 44 that cooperate with the balls at the top of the guide rod 33. The contact block 41 is pressed against the outer wall of the screening funnel 43 by the springs, while the protrusions 44 and the balls are in intermittent contact, which ensures that the screening funnel 43 shakes up and down, and promotes the rapid flow of the screened liquid in the screening funnel 43, thus ensuring that the solid particles inside are quickly separated from the highly viscous liquid.

[0041] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An improved centrifuge, comprising: The shell (1), the clear liquid unit (2), the centrifugal unit (3) and the sieving unit (4) are characterized in that: the centrifugal unit (3) is rotatably provided on the bottom wall of the shell (1), the sieving unit (4) is provided inside the cavity of the shell (1) and can slide up and down, the sieving unit (4) cooperates with the centrifugal unit (3), and the clear liquid unit (2) is provided sliding up and down on the inner wall of the shell (1). The shell (1) is composed of a lower outer shell (11), a middle outer shell (12) and an upper outer shell (13), wherein the lower outer shell (11), the middle outer shell (12) and the upper outer shell (13) are connected to each other in sequence by a threaded connection. The centrifugal unit (3) includes a centrifugal motor (31) mounted on the bottom wall of the lower outer shell (11) via a motor base, and the output shaft of the centrifugal motor (31) extends into the cavity of the lower outer shell (11). The end of the output shaft of the centrifugal motor (31) is square. The interior of the shell (1) is also provided with a guide platform (32) that is inserted and limited to the output shaft of the centrifugal motor (31). A guide rod (33) is inserted and fixed at the top of the guide platform (32). A channel (332) is provided inside the guide rod (33), and a flow hole that communicates with the outside is uniformly provided inside the channel (332). The outer wall at the top of the guide rod (33) is an arc-shaped concave structure, and ball bearings are uniformly provided at its arc-shaped concave structure. The outer wall of the guide rod (33) is fixedly provided with a receiving cover (34) at the liquid inlet of the channel (332). The receiving cover (34) is a funnel-shaped structure. The outer wall of the guide platform (32) and the lower outer wall of the receiving cover (34) are both uniformly provided with several annular grooves radiating from the inside to the outside. An isolation component (35) is snapped between two corresponding annular grooves. The isolation density of the isolation component (35) arranged in the radial direction of the guide platform (32) increases sequentially. The receiving cover (34) overlaps the inner wall of the lower outer shell (11), and the outer wall of the contact point between the lower outer shell (11) and the receiving cover (34) is uniformly provided with ball bearings. The bottom outer wall of the guide platform (32) is provided with an arc-shaped mating groove, and the mating groove has a wave-shaped concave-convex structure. The inner wall of the lower outer shell (11) is uniformly provided with mating protrusions that mate with the concave-convex structure inside the mating groove. The screening unit (4) includes a contact block (41) evenly arranged by spring inside the upper outer shell (13), and a support rod (42) evenly arranged on the upper side inside the middle outer shell (12). It also includes a screening funnel (43) that is snapped into the upper end of the support rod (42) and abuts against the lower end of the contact block (41). The bottom outer wall of the screening funnel (43) is evenly provided with protrusions (44) that cooperate with the ball bearings at the top of the guide rod (33).

2. An improved centrifuge according to claim 1, characterized in that, The bottom inner wall of the lower outer shell (11) is an annular concave structure, and the annular concave structure is an inclined structure with the left side lower and the right side higher. A discharge pipe that communicates with the interior is provided on the outer wall of the lower outer shell (11). Vertical strip grooves are evenly opened on the circumferential outer wall of the lower outer shell (11), and an electromagnetic block (14) is slidably arranged in the strip groove. An air inlet pipe and a liquid inlet pipe that communicate with the interior are respectively provided on the upper outer wall of the upper outer shell (13).

3. An improved centrifuge according to claim 1, characterized in that, The cleaning unit (2) includes a ring-shaped cleaning ring (21), and the inner wall of the cleaning ring (21) is inclined from top to bottom toward the center of the cleaning ring (21); the outer wall of the cleaning ring (21) is provided with a metal block (22) that magnetically adsorbs with the electromagnetic block (14).

4. An improved centrifuge according to claim 1, characterized in that, The isolation component (35) comprises an isolation net (351) and an annular cover (352) disposed at both ends of the isolation net (351). The annular cover (352) has a Z-shaped snap-fit ​​component (353) that slides evenly along its outer wall, and the snap-fit ​​component (353) and the annular cover (352) are connected by a spring contact. The snap-fit ​​component (353) is snapped into the annular groove.

5. An improved centrifuge according to claim 1, characterized in that, The upper outer wall of the guide rod (33) is provided with a rubber disc (331) to prevent the liquid after sieving from splashing.

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