Microfilter for solid-liquid separation treatment

Abstract

The utility model discloses a solid-liquid separation treatment microfilter in the technical field of sewage treatment, which comprises a cover plate, a water collecting tank and a drainage tank, the cover plate is connected with a rotating cylinder and an annular groove through a rotating shaft, the interior of the annular groove is divided into a plurality of fan-shaped grooves through a plurality of partition plates, a filter screen is arranged at the bottom of the annular groove, and a pressing plate is arranged on one side of the cover plate. According to the utility model, primary filtration is carried out through the filter screens at the bottoms of the fan-shaped grooves at the corresponding positions, and secondary filtration is carried out through the filter membranes after falling, so that the filtration effect is improved; when the bottom of the fan-shaped groove is blocked due to the solid impurities, the rotating shaft drives the annular groove to rotate, the position of the fan-shaped groove is switched, so that filtering treatment continues to be carried out, the situation that follow-up filtering is affected due to impurity blocking is avoided, and the solid impurities in the fan-shaped groove are subjected to filter pressing through the pressing plate at the corresponding position; and the cover plate, the water collecting tank and the water discharging tank are detached, and the annular groove and the filtering film are detached so as to be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a solid-liquid separation treatment microfilter. Background Art

[0002] During the treatment process, sewage needs to be coarsely filtered through structures such as filter screens to separate internal solid impurities from liquids, and then finely filtered through structures such as filter membranes to improve the effect of separation treatment. Patent application number CN201922031934.2 is a high-efficiency solid-liquid separation water treatment device, whose structure includes a sewage pool, a sedimentation tank and a microfilter connected in sequence, the sewage pool and the sedimentation tank are connected by a first connecting pipe, the sedimentation tank and the microfilter are connected by a second connecting pipe, and a vertical filter pipe is set in the sewage pool, and a through hole is provided on the pipe wall of the filter pipe, and the lower part is connected to the first connecting pipe, and the sewage pool, the sedimentation tank and the microfilter all play a role in separating the dirt in the water. However, when the sewage and dirt in the sewage pool are collected at the filter pipe and transported outward, the filter pipe is prone to blockage after working for a period of time, which affects the subsequent treatment work.

[0003] Based on this, the utility model designs a solid-liquid separation processing microfilter to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a solid-liquid separation microfiltration machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A solid-liquid separation microfilter comprises a cover plate, a water collecting box and a drainage box which are fixed in sequence from top to bottom, a water collecting bucket is fixed at the lower part of the inner cavity of the water collecting box, and a water collecting port is arranged in the middle of the bottom of the water collecting bucket;

[0007] A liquid inlet pipe is provided on the left side of the cover plate, and a fan-shaped pressing plate is connected to the right side through two hydraulic telescopic rods, and a rotating shaft is rotatably connected at the center, a motor is connected to the top of the rotating shaft, and a rotating cylinder is detachably fixed at the bottom. The bottom end of the rotating cylinder is set to an opening shape, and an annular groove is provided on the outside. A filter screen is fixed at the bottom of the annular groove, and multiple vertical partitions are evenly fixed along the circumference of the inside in a square shape;

[0008] A drain pipe is fixed in the middle of the bottom of the drainage box, a valve is provided in the drain pipe, and the bottom of the drainage box is inclined at the drain pipe, an annular positioning plate is provided on the upper part of the inner cavity of the drainage box, an annular cross plate is detachably fixed below the positioning plate, a supporting mesh cylinder is fixed to the bottom of the inner side of the annular cross plate, a filter membrane is provided on the inner side of the supporting mesh cylinder, and the top of the filter membrane is fixed between the positioning plate and the annular cross plate.

[0009] Preferably, the bottom end of the rotating shaft passes through the top center of the rotating cylinder, and a limiting platform is fixed to the upper position of the rotating shaft corresponding to the rotating cylinder, the lower side wall of the rotating shaft is provided with threads, and the bottom thread is connected with a thread block.

[0010] Preferably, a rubber pad is fixed to the top end of the threaded block, and the threaded block contacts the end surface of the rotating cylinder through the rubber pad.

[0011] Preferably, an annular platform is provided on the upper part of the inner cavity of the drainage box, the outer side of the annular platform is fixedly connected to the side wall of the drainage box by a plurality of evenly arranged fixing rods, and the inner side is rotatably connected to a rotating ring plate, the outer edge of the positioning plate is fixedly connected to the bottom end of the rotating ring plate, a bevel gear ring is fixed to the outer side of the rotating ring plate, the bevel gear ring is meshed with a bevel gear, and the bevel gear is connected to a motor.

[0012] Preferably, a plurality of vertical threaded shafts are evenly fixed to the bottom of the positioning plate along the circumferential direction, and the bottom ends of the threaded shafts pass through the filter membrane and the annular horizontal plate at the top of the supporting mesh cylinder and are threadedly connected with nuts.

[0013] Preferably, an annular support platform is fixed to the upper portion of the inner wall of the water collecting box, balls are evenly distributed on the top of the support platform, an annular boss is fixed to the outer side of the top of the annular groove, and the bottom surface of the boss is in contact with the balls.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model performs primary filtration through the filter net at the bottom of the fan-shaped groove at the corresponding position, and performs secondary filtration through the filter membrane, thereby improving the filtration effect; when the bottom of the fan-shaped groove is blocked due to solid impurities, the annular groove is driven to rotate by the rotating shaft, and the position of the fan-shaped groove is switched to continue the filtration process and avoid the subsequent filtration being affected by impurity blockage; the pressure plate is moved downward by the hydraulic telescopic rod to filter the solid impurities in the fan-shaped groove and remove most of the residual water therein for subsequent cleaning; the cover plate, water collecting tank and drainage tank are disassembled, and the annular groove and filter membrane are disassembled for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

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

[0017] Figure 2 It is a structural schematic diagram of the annular groove of the utility model;

[0018] Figure 3This is a schematic diagram of the structure of the utility model at A;

[0019] Figure 4 This is a schematic diagram of the structure of the utility model at B;

[0020] Figure 5 This is a schematic diagram of the structure of the utility model at C;

[0021] Figure 6 It is a structural schematic diagram of the rotating ring plate of the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1-cover plate, 101 liquid inlet pipe, 102-hydraulic telescopic rod, 103-pressing plate, 104-rotating shaft, 105-limiting platform, 106-thread block;

[0024] 2-rotating cylinder, 201-annular groove, 202-partition plate, 203-filter screen, 204-boss;

[0025] 3-water collecting box, 301-water collecting bucket, 302-water collecting port, 303-supporting platform, 304-ball;

[0026] 4-drainage box, 401-drainage pipe, 402-supporting net cylinder, 403-filter membrane, 404-positioning plate, 405-threaded shaft;

[0027] 5-annular table, 501-fixed rod, 502-bevel gear, 503-bevel gear ring, 504-rotating ring plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] Embodiment 1

[0030] Please refer to the attached drawings, the utility model provides a technical solution:

[0031] A solid-liquid separation microfiltration machine comprises a cover plate 1, a water collecting box 3 and a drainage box 4 which are fixed in sequence from top to bottom, a water collecting bucket 301 is fixed at the lower part of the inner cavity of the water collecting box 3, and a water collecting port 302 is provided in the middle of the bottom of the water collecting bucket 301;

[0032] A liquid inlet pipe 101 is provided on the left side of the cover plate 1, and a fan-shaped pressing plate 103 is connected to the right side through two hydraulic telescopic rods 102, and a rotating shaft 104 is rotatably connected at the center, a motor is connected to the top of the rotating shaft 104, and a rotating cylinder 2 is detachably fixed at the bottom end, the bottom end of the rotating cylinder 2 is set to be open, and an annular groove 201 is provided on the outside, a filter screen 203 is fixed at the bottom of the annular groove 201, and a plurality of vertical partitions 202 are evenly fixed along the circumference of the inside in a square shape;

[0033] A drain pipe 401 is fixed in the middle of the bottom of the drainage box 4, a valve is provided in the drain pipe 401, and the bottom of the drainage box 4 is inclined at the drain pipe 401, and an annular positioning plate 404 is provided on the upper part of the inner cavity of the drainage box 4, and an annular cross plate is detachably fixed below the positioning plate 404, a supporting mesh tube 402 is fixed to the inner bottom of the annular cross plate, a filter membrane 403 is provided on the inner side of the supporting mesh tube 402, and the top of the filter membrane 403 is fixed between the positioning plate 404 and the annular cross plate.

[0034] When treating sewage, the sewage is transported to the annular groove 201 through the liquid inlet pipe 101, and the annular groove 201 is divided into a plurality of fan-shaped grooves by the partition plate 202. The sewage enters one of the fan-shaped grooves and is filtered once by the filter screen 203 at the corresponding position, and then falls into the water collection box 3, enters the filter membrane 403 of the supporting mesh tube 402 through the water collection bucket 301 and the water inlet, and the sewage is subjected to secondary microfiltration by the filter membrane 403 to improve the filtering effect;

[0035] When there are a lot of solid impurities in the fan-shaped groove, the rotating shaft 104 is driven by the motor to drive the annular groove 201 to rotate a certain angle, and the adjacent fan-shaped groove is moved to the liquid inlet pipe 101, so as to continue the filtering process, and avoid the impurities blocking the filter screen 203 at the same position and affecting the subsequent filtering; when the fan-shaped groove drives the impurities to move to the bottom of the pressing plate 103, the pressing plate 103 is moved down by the hydraulic telescopic rod 102, and the solid impurities in the fan-shaped groove are filtered to remove most of the residual water therein;

[0036] When a large amount of impurities are accumulated in the annular groove 201 and the filter membrane 403, the cover plate 1, the water collecting box 3 and the drainage box 4 can be disassembled, and the annular groove 201 and the filter membrane 403 can be disassembled for cleaning.

[0037] A rubber pad is fixed to the top of the threaded block 106, and the rubber pad contacts the end surface of the rotating cylinder 2 to increase friction and improve the fixing effect.

[0038] A plurality of vertical threaded shafts 405 are evenly fixed along the circumferential direction at the bottom of the positioning plate 404, the bottom ends of the threaded shafts 405 pass through the filter membrane 403 and the annular horizontal plate at the top of the supporting mesh tube 402, and are threadedly connected with nuts, so that the supporting mesh tube 402, the filter membrane 403 and the positioning plate 404 can be detachably linked through the threaded shafts 405 and the nuts, so that the supporting mesh tube 402 and the filter membrane 403 can be disassembled and cleaned.

[0039] An annular support platform 303 is fixed to the upper part of the inner wall of the water collecting box 3, and balls 304 are evenly distributed on the top of the support platform 303. An annular boss 204 is fixed to the outer side of the top of the annular groove 201, and the bottom surface of the boss 204 is in contact with the balls 304. The support platform 303 and the boss 204 provide support for the annular groove 201 and other structures, thereby improving the position stability, and reducing the friction during movement through the balls 304.

[0040] Embodiment 2

[0041] The structure of this embodiment is basically the same as that of the first embodiment, except that the bottom end of the rotating shaft 104 passes through the top center of the rotating cylinder 2, and the rotating shaft 104 is fixed with a limiting platform 105 corresponding to the upper position of the rotating cylinder 2, the lower side wall of the rotating shaft 104 is provided with a thread, and the bottom thread is connected with a thread block 106, and the rotating cylinder 2 is fixed to the limiting platform 105 by screwing the thread block 106, so that the annular groove 201 is fixedly connected to the rotating shaft 104, and the annular groove 201 and other structures can be disassembled by screwing the thread block 106 to clean the internal impurities.

[0042] Embodiment 3

[0043] The structure of this embodiment is basically the same as that of the first embodiment, except that an annular platform 5 is provided on the upper part of the inner cavity of the drainage box 4, and the outer side of the annular platform 5 is fixedly connected to the side wall of the drainage box 4 by a plurality of evenly arranged fixing rods 501, and the inner side is rotatably connected with a rotating ring plate 504, and the outer side edge of the positioning plate 404 is fixedly connected to the bottom end of the rotating ring plate 504, and a bevel gear ring 503 is fixed to the outer side of the rotating ring plate 504, and the bevel gear ring 503 is meshed with a bevel gear 502, and the bevel gear 502 is connected to a motor. After the filtration is completed, the rotating ring plate 504 drives the positioning plate 404, the supporting mesh tube 402 and the filter membrane 403 to rotate rapidly through the drive of the motor and the transmission of the bevel gear 502 and the bevel gear ring 503, so as to dehydrate the internal impurities and reduce the water in the residual impurities.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means 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 utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A solid-liquid separation microfiltration machine, comprising a cover plate (1), a water collecting box (3) and a drainage box (4) fixed in sequence from top to bottom, a water collecting bucket (301) is fixed at the lower part of the inner cavity of the water collecting box (3), and a water collecting port (302) is provided in the middle of the bottom of the water collecting bucket (301), characterized in that: The left side of the cover plate (1) is provided with a liquid inlet pipe (101), and the right side is connected to a fan-shaped pressing plate (103) through two hydraulic telescopic rods (102), and a rotating shaft (104) is rotatably connected at the center, the top end of the rotating shaft (104) is connected to a motor, and the bottom end is detachably fixed with a rotating cylinder (2), the bottom end of the rotating cylinder (2) is set to be open, and an annular groove (201) is provided on the outside, a filter screen (203) is fixed at the bottom of the annular groove (201), and a plurality of vertical partitions (202) are evenly fixed along the circumference of the inside in a square shape; A drainage pipe (401) is fixed in the middle of the bottom of the drainage box (4), a valve is provided in the drainage pipe (401), and the bottom of the drainage box (4) is inclined at the drainage pipe (401). An annular positioning plate (404) is provided at the upper part of the inner cavity of the drainage box (4), and an annular horizontal plate is detachably fixed below the positioning plate (404), a supporting mesh cylinder (402) is fixed to the inner bottom of the annular horizontal plate, a filter membrane (403) is provided on the inner side of the supporting mesh cylinder (402), and the top end of the filter membrane (403) is fixed between the positioning plate (404) and the annular horizontal plate.

2. The solid-liquid separation microfiltration machine according to claim 1, characterized in that: The bottom end of the rotating shaft (104) passes through the top center of the rotating cylinder (2), and a limiting platform (105) is fixed to the rotating shaft (104) corresponding to the upper position of the rotating cylinder (2). The lower side wall of the rotating shaft (104) is provided with a thread, and the bottom thread is connected to a thread block (106).

3. The solid-liquid separation microfiltration machine according to claim 2, characterized in that: A rubber pad is fixed to the top end of the threaded block (106), and the threaded block (106) is in contact with the end surface of the rotating cylinder (2) via the rubber pad.

4. The solid-liquid separation microfiltration machine according to claim 1, characterized in that: An annular platform (5) is provided at the upper part of the inner cavity of the drainage box (4); the outer side of the annular platform (5) is fixedly connected to the side wall of the drainage box (4) via a plurality of evenly arranged fixing rods (501), and the inner side is rotatably connected to a rotating ring plate (504); the outer side edge of the positioning plate (404) is fixedly connected to the bottom end of the rotating ring plate (504); a bevel gear ring (503) is fixed to the outer side of the rotating ring plate (504); the bevel gear ring (503) is meshed with a bevel gear (502), and the bevel gear (502) is connected to a motor.

5. The solid-liquid separation microfiltration machine according to claim 1, characterized in that: A plurality of vertical threaded shafts (405) are evenly fixed to the bottom of the positioning plate (404) along the circumferential direction. The bottom ends of the threaded shafts (405) pass through the filter membrane (403) and the annular horizontal plate at the top of the supporting net cylinder (402), and are threadedly connected with nuts.

6. The solid-liquid separation microfiltration machine according to any one of claims 1 to 5, characterized in that: An annular support platform (303) is fixed to the upper part of the inner wall of the water collecting box (3), and balls (304) are evenly distributed on the top of the support platform (303). An annular boss (204) is fixed to the outer side of the top of the annular groove (201), and the bottom surface of the boss (204) is in contact with the balls (304).

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