Filtering type centrifugal machine

Abstract

The utility model provides a filtering type centrifugal machine which comprises a machine body provided with a working cavity. The machine cover is provided with an opening position and a closing position which are used for opening or sealing the working cavity; the centrifugal barrel is positioned in the working cavity; the filter element is arranged in the centrifugal barrel and provided with a support and a filter membrane wrapping the support, an assembling part is arranged at the bottom of the support, a connecting part is arranged at the bottom end of the centrifugal barrel, and the connecting part is matched with the assembling part to achieve detachable connection between the centrifugal barrel and the support. The replacement process of the filter element is simpler, user operation is facilitated, time and labor are saved, and improvement of the sewage pretreatment efficiency is facilitated; moreover, the quick-release structure adopted by the equipment can prevent a user from switching treatment equipment of different models, so that the sewage pretreatment cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage detection, in particular to a filtering centrifuge. Background Art

[0002] Due to the variety of pollution sources, different pretreatment equipment is often required before testing different types of sewage.

[0003] Among them, the filter centrifuge is a common pretreatment equipment, and the filter membrane is its core component. After the sewage enters the centrifuge cylinder through the water inlet pipe on the filter centrifuge, the sewage is centrifugally filtered under the centrifugal action of the centrifuge cylinder and the filtering action of the filter membrane, so that users can test the pretreated sewage.

[0004] However, when users have different pretreatment requirements, such as the need to pretreat different types of sewage with different precisions, a single type of filter centrifuge can only filter substances with a specific particle size in the sewage. It lacks effective filtering methods for substances with other particle sizes and can only be achieved by changing the equipment model or replacing the filter membrane. During the membrane replacement process, since the membrane is usually fixedly connected to the centrifuge cylinder, if the membrane is to be replaced, it is often necessary to manually disassemble the equipment to a large extent. The replacement process is extremely cumbersome, time-consuming and labor-intensive, which is not conducive to improving the efficiency of sewage pretreatment; and if different types of equipment are replaced, the cost of sewage pretreatment will be greatly increased. Utility Model Content

[0005] In view of the above problems, an embodiment of the utility model provides a filtering centrifuge to solve the problem of how to achieve pretreatment of sewage with different precisions through a simple and efficient filter membrane replacement method when there are different sewage pretreatment needs, while taking into account the cost of sewage pretreatment.

[0006] The utility model provides a filtering centrifuge, comprising:

[0007] A body having a working chamber;

[0008] A machine cover having an open position and a closed position for opening or sealing the working chamber;

[0009] A centrifugal cylinder located in the working chamber;

[0010] The filter element is arranged in the centrifugal cylinder, and has a bracket and a filter membrane covered on the bracket. An assembly part is arranged at the bottom of the bracket, and a connecting part is arranged at the bottom end of the centrifugal cylinder. The connecting part cooperates with the assembly part to realize a detachable connection between the centrifugal cylinder and the bracket.

[0011] In some embodiments, the connecting portion is a protruding structure, and the assembling portion is a concave structure matched with the protruding structure.

[0012] In some embodiments, the protruding structure is a column pin, and the recessed structure is a pin hole; or, the protruding structure is a cone pin, and the recessed structure is a cone hole.

[0013] In some embodiments, the bracket is an annular bracket, the top and bottom of the annular bracket are respectively formed with an upper inner edge and a lower inner edge, the assembly portion is formed at the lower inner edge, and in the closed position, the machine cover can abut against the upper inner edge.

[0014] In some embodiments, the top and bottom of the annular frame are further formed with an upper outer edge and a lower outer edge, respectively, and the upper outer edge and the lower outer edge are respectively pressed against the inner wall of the centrifugal cylinder.

[0015] In some embodiments, the filter element further has a connector, and the bracket is provided with a mounting hole. The connector can pass through the filter membrane and cooperate with the mounting hole to achieve a detachable connection between the filter membrane and the bracket.

[0016] In some embodiments, the cover comprises:

[0017] Cover body;

[0018] A nozzle, located at the bottom end of the cover body;

[0019] The water inlet pipe group passes through the cover body from the top of the cover body and is connected with the sprinkler head.

[0020] In some embodiments, the nozzle is an annular structure, and a plurality of spray holes are evenly distributed around the nozzle.

[0021] In some embodiments, the support is provided with a filter hole, and the centrifugal cylinder is provided with a centrifugal hole;

[0022] Filter centrifuges also include:

[0023] The water collecting cover is sleeved on the outside of the centrifugal cylinder, and a collecting groove is provided on the bottom wall of the water collecting cover;

[0024] The drainage pipe is connected with the collection tank. The sewage entering the bracket flows through the filter holes, the filter membrane, the centrifugal holes in sequence under the centrifugal action of the centrifuge cylinder, enters the collection tank, and is discharged from the drainage pipe.

[0025] In some embodiments, the filter centrifuge further comprises:

[0026] A driving motor is fixed inside the machine body;

[0027] A transmission rod, the top end of which is connected to the bottom of the centrifugal cylinder;

[0028] The synchronous belt is matched with the output end of the driving motor and the bottom end of the transmission rod respectively.

[0029] Due to the adoption of the above technical solution, the technical effects achieved by the utility model are as follows:

[0030] The filter centrifuge provided by the utility model includes a body, a cover, a centrifugal cylinder and a filter element. The filter element includes a bracket and a filter membrane, and the detachable connection between the bracket and the centrifugal cylinder is achieved by the cooperation of the assembly part on the bracket and the connecting part on the centrifugal cylinder. Since the filter membrane is coated on the surface of the bracket, the filter membrane can enter or leave the centrifugal cylinder together with the bracket through the user's pick-up and placement operation on the bracket, thereby realizing the rapid removal and replacement of the filter membrane and even the entire filter element. Even in the face of different sewage pretreatment needs, users can still meet the requirements by replacing filter elements of different precisions. Compared with the prior art, on the one hand, the replacement process of the filter element is simpler, convenient for users to operate, save time and effort, and is conducive to improving the efficiency of sewage pretreatment; on the other hand, the quick-release structure adopted by the equipment can save users from switching between different types of treatment equipment, thereby greatly reducing the cost of sewage pretreatment.

[0031] The above description is only an overview of the technical solution of the embodiment of the utility model. In order to more clearly understand the technical means of the embodiment of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The accompanying drawings are only used to illustrate the embodiments and are not considered to be limitations of the present invention. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings. In the accompanying drawings:

[0033] Figure 1 It is a structural schematic diagram of a filtering centrifuge provided by the utility model;

[0034] Figure 2 It is a structural schematic diagram of another filtering centrifuge provided by the utility model;

[0035] Figure 3 It is a structural schematic diagram of a centrifugal cylinder provided by the utility model;

[0036] Figure 4 It is a structural schematic diagram of a bracket provided by the utility model;

[0037] Figure 5 It is a top view of a filtering centrifuge provided by the utility model;

[0038] Figure 6 The utility model provides Figure 5 Sectional view of section AA;

[0039] Figure 7The utility model provides Figure 6 The enlarged schematic diagram of point a in the middle;

[0040] Figure 8 The utility model provides Figure 6 The enlarged schematic diagram of point b in the middle;

[0041] Fig. 9 It is a structural schematic diagram of a machine cover provided by the utility model;

[0042] Fig.10 It is a structural schematic diagram of a water collecting cover provided by the utility model;

[0043] Fig.11 It is a structural schematic diagram of a machine body provided by the utility model.

[0044] In the figure:

[0045] 100 body, 110 upper fixing seat, 120 lower fixing seat, 130 connecting rod assembly, 131 first connecting rod, 132 second connecting rod, 133 third connecting rod;

[0046] 200 machine cover, 210 cover body, 220 nozzle, 230 water inlet pipe group, 231 water delivery pipe, 232 clean water branch pipe, 233 sewage branch pipe, 234 first valve, 235 second valve, 236 third valve, 237 filter element;

[0047] 300 centrifugal cylinder, 310 connecting portion, 320 centrifugal hole;

[0048] 400 filter element, 410 bracket, 411 assembly portion, 412 upper inner edge, 413 lower inner edge, 414 upper outer edge, 415 lower outer edge, 416 mounting hole, 417 filter hole, 420 connector;

[0049] 500 water collecting cover, 510 collecting tank, 520 drainage pipe, 530 driving motor, 540 transmission rod, 550 synchronous belt. DETAILED DESCRIPTION

[0050] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein.

[0051] Reference Figure 1-Figure 4As shown, the utility model provides a filtering centrifuge, including a body 100, a cover 200, a centrifugal cylinder 300 and a filter element 400. The body 100 has a working chamber (not marked in the figure), and the cover 200 has an open position and a closed position for opening or sealing the working chamber; the centrifugal cylinder 300 is located in the working chamber, and the filter element 400 is arranged in the centrifugal cylinder 300, and the filter element 400 includes a bracket 410 and a filter membrane (not marked in the figure) coated on the bracket 410, and the bracket 410 is provided with an assembly part 411 at the bottom, and the centrifugal cylinder 300 is provided with a connecting part 310 at the bottom, and the connecting part 310 cooperates with the assembly part 411 to realize a detachable connection between the centrifugal cylinder 300 and the bracket 410.

[0052] It can be understood that there can be multiple ways of connecting the body 100 and the cover 200 in the filtering centrifuge provided in the present application; for example, the body 100 and the cover 200 can adopt a split structure, that is, the cover 200 and the body 100 are respectively used as separate components, and the connection between the two is achieved by a locking structure provided on the cover 200 and the body 100; or, the body 100 and the cover 200 can adopt a connected structure, that is, the cover 200 and the body 100 can be pivotally connected through a rotating shaft, a connecting rod or other structures, or can be slidably connected through the cooperation between a slide rail and a slide groove.

[0053] For example, refer to Figure 5 and Figure 6 As shown, the side wall of the body 100 is provided with an upper fixed seat 110, a lower fixed seat 120, and a connecting rod assembly 130 respectively hinged to the upper fixed seat 110 and the lower fixed seat 120; wherein, the connecting rod assembly 130 includes a first connecting rod 131, a second connecting rod 132 and a third connecting rod 133 connected in sequence, a first end of the first connecting rod 131 is fixedly connected to the machine cover 200, and a second end is rotatably connected to a first end of the second connecting rod 132, and a rod body of the first connecting rod 131 itself is rotatably connected to the upper fixed seat 110 via a first rotating shaft; a second end of the second connecting rod 132 is rotatably connected to a first end of the third connecting rod 133, and a second end of the third connecting rod 133 is rotatably connected to the lower fixed seat 120 via a second rotating shaft.

[0054] In addition, a driving member (not shown in the figure) is provided on the lower fixed seat 120, and the output shaft of the driving member constitutes a second rotating shaft, and the second rotating shaft is fixedly connected to the third connecting rod 133; under the driving action of the driving member, the second rotating shaft rotates and drives the third connecting rod 133 to move, and the movement of the third connecting rod 133 will drive the second connecting rod 132 to move, and the second connecting rod 132 will drive the first connecting rod 131 to move, thereby finally realizing the rotation of the cover 200 relative to the body 100, and enabling the cover 200 to switch between the open position and the closed position.

[0055] It should be noted that the filter element 400 in the present application is a core component that plays a filtering role in the filter centrifuge. In order to meet the different filtering requirements of users for sewage, the type of filter membrane in the filter element 400 can be reasonably selected according to needs. For example, the filter membrane can be a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, etc. according to the size of the membrane pores.

[0056] The filter centrifuge provided by the present application has a filter membrane coated on the surface of the bracket 410. By the user's taking and placing operation of the bracket 410, the filter membrane can enter or leave the centrifugal cylinder 300 together with the bracket 410, thereby realizing the rapid removal and replacement of the filter membrane and even the entire filter element 400. Even in the face of different sewage pretreatment requirements, users can still meet the requirements by replacing filter elements 400 of different precisions. On the one hand, the replacement process of the filter element 400 is simpler, which is convenient for users to operate, saves time and effort, and is conducive to improving the efficiency of sewage pretreatment; on the other hand, the quick-release structure adopted by the equipment can save users from switching between different types of treatment equipment, thereby greatly reducing the cost of sewage pretreatment.

[0057] In addition, since the detachable connection between the filter element 400 and the centrifugal cylinder 300 is mainly achieved by the cooperation between the assembly part 411 on the bracket 410 and the connecting part 310 on the centrifugal cylinder 300, there are many different implementations for the structure to achieve this connection mode. For example, the connecting part 310 can be a buckle, the assembly part 411 can be a slot, and the connecting part 310 and the assembly part 411 are connected by a snap fit; or, both the connecting part 310 and the assembly part 411 can be magnetic parts (such as magnets, etc.), and the connection between the connecting part 310 and the assembly part 411 is achieved by magnetic attraction; or, the connecting part 310 can be a bolt, the assembly part 411 can be a screw hole, and the connecting part 310 and the assembly part 411 are connected by a threaded fit. The present application does not limit the structure of the assembly part 411 and the connecting part 310, and the fit between the two.

[0058] For ease of understanding, the connection method between the connecting portion 310 and the assembly portion 411 will be described below using a specific embodiment:

[0059] In this embodiment, continue to refer to Figure 3 and Figure 4As shown, the connection part 310 is a protruding structure, and the assembly part 411 is a recessed structure that matches the protruding structure. The connection between the connection part 310 and the assembly part 411 can be achieved by plugging and fitting the protruding structure and the recessed structure. This method has a simple structure, is easy for users to operate, and is conducive to improving the replacement efficiency of the filter element 400. In addition, the cooperation between the protruding structure and the recessed structure can limit the circumferential displacement of the bracket 410, preventing the bracket 410 from rotating relative to the centrifugal cylinder 300.

[0060] Furthermore, the protruding structure is a column pin, and the concave structure is a pin hole; or, the protruding structure is a cone pin, and the concave structure is a cone hole. In order to facilitate assembly, the column pin and the pin hole can be matched with clearance; and in order to reduce the risk of the bracket 410 escaping from the centrifugal cylinder 300 along the axis of the centrifugal cylinder 300, the protruding structure has a certain inclination through the matching between the cone pin and the cone hole, thereby reducing the tendency of the bracket 410 to move vertically along the axis of the centrifugal cylinder 300, which is conducive to ensuring the stability of the equipment during operation.

[0061] In order to further limit the working position of the filter element 400 and make it have better stability, in addition to limiting the circumferential displacement of the bracket 410, the present application also limits the axial displacement of the bracket 410.

[0062] Specifically, refer to Figure 3 and Figure 4 ,as well as Figure 7 and Figure 8 As shown, the present application sets the bracket 410 as an annular frame, and the top and bottom of the annular frame are respectively formed with an upper inner edge 412 and a lower inner edge 413, and the assembly portion 411 is formed on the lower inner edge 413. In the closed position, the cover 200 can abut against the upper inner edge 412.

[0063] Among them, the upper inner edge 412 and the lower inner edge 413 can have a variety of different implementations, which are not limited in the present application. For example, both the upper inner edge 412 and the lower inner edge 413 can be convex edges extending from the side wall of the annular frame toward the center of the annular frame in the horizontal direction, and the convex edges are continuous ring-shaped; or, both the upper inner edge 412 and the lower inner edge 413 can be multiple connecting plates extending from the side wall of the annular frame toward the center of the annular frame in the horizontal direction, and the multiple connecting plates are spaced apart along the circumference of the annular frame. It should be noted that the structures of the upper inner edge 412 and the lower inner edge 413 can be the same or different (such as the upper inner edge 412 adopts a convex edge structure, and the lower inner edge 413 adopts a connecting plate structure, etc.), which is not limited in the present application.

[0064] The existence of the lower inner edge 413 provides a physical foundation for the location of the assembly part 411, which facilitates the molding of the assembly part 411 on the bracket 410; the existence of the upper inner edge 412 can limit the axial displacement of the bracket 410 in the closed position by the top contact with the machine cover 200; that is, when the machine cover 200 is covered on the machine body 100, the machine cover 200 itself can limit the position of the bracket 410 in the centrifugal cylinder 300 by pressing the upper inner edge 412, thereby preventing the bracket 410 from escaping from the centrifugal cylinder 300 during the operation of the equipment to the greatest extent. In addition, the upper inner edge 412 also has a certain anti-splashing effect, which can prevent the sewage in the filter element 400 from splashing out from the top of the filter element 400.

[0065] In other embodiments, continue to refer to Figure 7 and Figure 8 As shown, an upper outer edge 414 and a lower outer edge 415 are formed on the top and the bottom of the annular frame respectively, and the upper outer edge 414 and the lower outer edge 415 are respectively pressed against the inner wall of the centrifugal cylinder 300 .

[0066] The upper outer edge 414 and the lower outer edge 415 are arranged so that a gap is formed between the support 410 and the centrifugal cylinder 300, and the filter membrane coated on the support 410 is located in the gap. The existence of the gap can avoid the inner wall of the centrifugal cylinder 300 from scratching the filter membrane as much as possible during the process of taking and placing the filter element 400, thereby ensuring the integrity of the filter membrane and further facilitating the stable performance of the centrifugal filtration effect of the filter centrifuge.

[0067] Accordingly, the present application does not limit the structure of the upper outer edge 414 and the lower outer edge 415, and the two can adopt the same or similar structure as the upper inner edge 412 and the lower inner edge 413 mentioned above. In addition, the present application does not limit the arrangement positions of the upper inner edge 412, the lower inner edge 413, the upper outer edge 414, and the lower outer edge 415. In a preferred embodiment, the upper inner edge 412 and the upper outer edge 414 are integrally formed, and the two are in the same horizontal plane; the lower inner edge 413 and the lower outer edge 415 are integrally formed, and the two are in the same horizontal plane.

[0068] In some embodiments, reference Figure 6 As shown, the cross section of the centrifugal drum 300 is a tapered structure that is wide at the top and narrow at the bottom. The tapered structure of the centrifugal drum 300 allows part of the sewage entering the centrifugal drum 300 to flow from top to bottom along its inner wall, thereby facilitating the sewage to be discharged from the centrifugal hole 320 to the water collecting cover 500 described below as much as possible.

[0069] In other embodiments, continue to refer to Figure 6As shown, the filter element 400 also has a connector 420, and the bracket 410 is provided with a mounting hole 416. The connector 420 can pass through the filter membrane and cooperate with the mounting hole 416 to achieve a detachable connection between the filter membrane and the bracket 410. The filter membrane and the bracket 410 are arranged in a detachable connection mode, which is convenient for users to replace the filter membrane, and can enable the device to perform centrifugal filtration of sewage with different precisions at a lower cost.

[0070] Among them, the connecting member 420 can be a bolt, a pin, a rivet, etc., and the mounting hole 416 corresponds to a screw hole, a pin hole, a rivet hole, etc. The present application does not limit the types of the connecting member 420 and the mounting hole 416.

[0071] In some embodiments, reference Fig. 9 As shown, the cover 200 includes a cover body 210, a nozzle 220 and a water inlet pipe group 230; wherein the nozzle 220 is located at the bottom of the cover body 210, and the water inlet pipe group 230 passes through the cover body 210 from the top of the cover body 210 and is connected to the nozzle 220. Preferably, the nozzle 220 is an annular structure, and a plurality of injection holes (not marked in the figure) are evenly distributed around the nozzle 220. In the closed position, the nozzle 220 can enter the interior of the filter element 400, so that the sewage input by the water inlet pipe group 230 can be evenly sprayed into the filter element 400 by the nozzle 220.

[0072] Specifically, the water inlet pipe group 230 includes a water pipe 231, a clean water branch pipe 232 and a sewage branch pipe 233 respectively connected to the water pipe 231, the water pipe 231 passes through the cover 210 and is connected to the nozzle 220, and the clean water branch pipe 232 and the sewage branch pipe 233 are connected in parallel. In addition, the water inlet pipe group 230 also includes a first valve 234, a second valve 235 and a third valve 236 respectively arranged on the water pipe 231, the clean water branch pipe 232 and the sewage branch pipe 233, and a filter element arranged before the third valve 236 along the water inlet direction. Among them, the filter element is used for preliminary filtering of sewage, which can be an activated carbon filter, a filter screen, etc.; the first valve 234, the second valve 235, and the third valve 236 can be one or more of a solenoid valve, a pneumatic valve, and a hydraulic valve.

[0073] The filter centrifuge provided by the present application forms a plurality of different water channels through the arrangement of the above-mentioned pipeline structure. Among them, the sewage branch pipe 233, the water pipe 231 and the nozzle 220 are connected to form a sewage channel for injecting sewage into the filter element 400; the clean water branch pipe 232, the water pipe 231 and the nozzle 220 are connected to form a clean water channel for injecting clean water into the filter element 400; the clean water branch pipe 232 is connected to the sewage branch pipe 233 to form a backwash channel for flushing the sewage branch pipe 233 with clean water; the filter hole 417 on the bracket 410, the centrifugal hole 320 on the centrifugal cylinder 300, the collection tank 510 in the water collecting cover 500 described below and the drain pipe 520 are connected to form a drainage channel for discharging wastewater; and the clean water channel is connected to the drainage channel, so that the centrifugal cylinder 300, the water collecting cover 500 and other parts inside the device can be rinsed and cleaned.

[0074] The existence of multiple different water channels not only enables the equipment to centrifugally filter sewage, but also gives the equipment a self-cleaning function, which is also beneficial to improving sewage filtration efficiency and enhancing the user experience.

[0075] Further, refer to Figure 1-Figure 4 ,as well as Fig.10 and Fig.11 As shown, the support 410 is provided with a filter hole 417, and the centrifugal cylinder 300 is provided with a centrifugal hole 320;

[0076] The filtering centrifuge also includes a water collecting cover 500 and a drain pipe 520. The water collecting cover 500 is sleeved on the outside of the centrifugal cylinder 300, and a collecting groove 510 is opened on the bottom wall; the drain pipe 520 is connected to the collecting groove 510, and the sewage entering the bracket 410 flows through the filter hole 417, the filter membrane, the centrifugal hole 320 in sequence under the centrifugal action of the centrifugal cylinder 300, enters the collecting groove 510, and is discharged from the drain pipe 520.

[0077] On the one hand, the water collecting cover 500 can prevent the sewage in the centrifugal drum 300 or the filter element 400 from entering the interior of the machine body 100, thereby largely avoiding the sewage from contacting other parts (such as motors, electrical components, etc.) inside the machine body 100, and causing electrical connection, which is beneficial to ensuring the safety of the equipment. On the other hand, the setting of the collection tank 510 can collect wastewater, which is beneficial for the equipment to discharge the filtered wastewater to the outside in a timely manner.

[0078] In some embodiments, continue to refer to Fig.11As shown, the filter centrifuge further includes a drive motor 530, a transmission rod 540 and a synchronous belt 550. The drive motor 530 is fixed inside the machine body 100. The top of the transmission rod 540 is connected to the bottom of the centrifugal cylinder 300. The synchronous belt 550 is respectively matched with the output end of the drive motor 530 and the bottom end of the transmission rod 540. Among them, a first synchronous wheel is provided at the bottom end of the transmission rod 540, and a second synchronous wheel is provided on the output shaft of the drive motor 530. The synchronous belt 550 is respectively matched with the first synchronous wheel and the second synchronous wheel to realize synchronous transmission of the centrifugal cylinder 300.

[0079] This driving structure can synchronously transmit the power provided by the drive motor 530 to the centrifugal drum 300, so that the movement process of the centrifugal drum 300 not only has better synchronization, but also enables it to respond to the start and stop of the drive motor 530 in time. In other words, the start and stop of the centrifugal drum 300 can be synchronized with the start and stop of the drive motor 530, thereby ensuring that the equipment has a more stable centrifugal filtration effect.

[0080] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. Similarly, in order to simplify the present invention and help understand one or more of the various aspects of the present invention, in the above description of the exemplary embodiments of the present invention, the various features of the embodiments of the present invention are sometimes grouped together into a single embodiment, figure, or description thereof. Among them, the claims that follow the specific embodiments are hereby expressly incorporated into the specific embodiments, wherein each claim itself serves as a separate embodiment of the present invention.

[0081] It should be noted that the above embodiments illustrate the utility model rather than limit the utility model, and those skilled in the art may design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol between brackets should not be constructed as a limitation on the claims. The word "comprising" does not exclude the existence of elements or steps not listed in the claims. The word "one" or "an" preceding an element does not exclude the existence of multiple such elements. The utility model can be implemented by means of hardware including several different elements and by means of appropriately programmed computers. In a unit claim that lists several devices, several of these devices may be embodied by the same hardware item. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names. The steps in the above embodiments should not be understood as limitations on the order of execution unless otherwise specified.

Claims

1. A filter centrifuge, characterized in that: include: A body having a working chamber; A machine cover having an open position and a closed position for opening or sealing the working chamber; a centrifugal cylinder located in the working chamber; The filter element is arranged in the centrifugal cylinder, and has a bracket and a filter membrane covered on the bracket. The bottom of the bracket is provided with an assembly part, and the bottom end of the centrifugal cylinder is provided with a connecting part. The connecting part cooperates with the assembly part to realize a detachable connection between the centrifugal cylinder and the bracket.

2. The filter centrifuge according to claim 1, characterized in that: The connecting portion is a convex structure, and the assembling portion is a concave structure matched with the convex structure.

3. The filter centrifuge according to claim 2, characterized in that: The protruding structure is a pin, and the recessed structure is a pin hole; or, The protruding structure is a tapered pin, and the recessed structure is a tapered hole.

4. The filter centrifuge according to claim 1, characterized in that: The bracket is an annular frame, and the top and bottom of the annular frame are respectively formed with an upper inner edge and a lower inner edge, the assembly portion is formed on the lower inner edge, and in the closed position, the machine cover can abut against the upper inner edge.

5. The filter centrifuge according to claim 4, characterized in that: The top and bottom of the annular frame are respectively formed with an upper outer edge and a lower outer edge, and the upper outer edge and the lower outer edge are respectively pressed against the inner wall of the centrifugal cylinder.

6. The filter centrifuge according to claim 5, characterized in that: The filter element also has a connecting piece, and the bracket is provided with a mounting hole. The connecting piece can pass through the filter membrane and cooperate with the mounting hole to achieve a detachable connection between the filter membrane and the bracket.

7. The filter centrifuge according to claim 1, characterized in that: The cover comprises: Cover body; A spray head, located at the bottom end of the cover body; The water inlet pipe group passes through the cover body from the top of the cover body and is connected with the spray head.

8. The filter centrifuge according to claim 7, characterized in that: The nozzle is an annular structure, and a plurality of spray holes are evenly distributed around the nozzle.

9. The filter centrifuge according to claim 8, characterized in that: The support is provided with a filter hole, and the centrifugal cylinder is provided with a centrifugal hole; The filter centrifuge also includes: A water collecting cover is sleeved on the outside of the centrifugal cylinder, and a collecting groove is provided on the bottom wall of the water collecting cover; The drainage pipe is connected with the collection tank. The sewage entering the bracket flows through the filter holes, the filter membrane, the centrifugal holes in sequence under the centrifugal action of the centrifugal cylinder, enters the collection tank, and is discharged from the drainage pipe.

10. The filter centrifuge according to claim 1, characterized in that: The filter centrifuge also includes: A driving motor is fixed inside the machine body; A transmission rod, the top end of which is connected to the bottom of the centrifugal cylinder; The synchronous belt is matched with the output end of the driving motor and the bottom end of the transmission rod respectively.

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