CN211133198U

CN211133198U - Microstrainer with self-cleaning function

Info

Publication number: CN211133198U
Application number: CN201921689470.8U
Authority: CN
Inventors: 董贺翔; 周建军; 翟凯强; 杜凯
Original assignee: Xi'an Eureka Environmental Protection Technology Co ltd
Current assignee: Xi'an Eureka Environmental Protection Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-31
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a microstrainer with self-cleaning function relates to sewage solid-liquid separation technical field, for solving prior art, the screen cloth that microstrainer exists easily blocks up, separates the poor technical problem of effect, the technical scheme of the utility model as follows: the device comprises an outer shell, a rotary screen and a slag conveying device, wherein a water inlet is formed in the upper part of the outer shell, a water tank and a water outlet are formed in the bottom of the outer shell, a water distribution device is arranged at the water inlet, and wastewater to be filtered enters from the water inlet and is guided to a screen mesh of the rotary screen through the water distribution device; the inside of drum sieve sets up a plurality of guide plates, the guide plate is arranged along the radial of drum sieve, and one end is connected with the axis of drum sieve, and the other end is connected with the screen cloth of drum sieve, and the waste water that treats the filtration gets into the drum sieve, passes the filter screen through the guide plate water conservancy diversion and falls into the water tank.

Description

Microstrainer with self-cleaning function

Technical Field

The utility model relates to a sewage solid-liquid separation technical field especially relates to microstrainer with self-cleaning function.

Background

The micro-filter is used for filtering solid or colloid substances such as suspended matters, floating matters, sediments and the like in sewage treatment or industrial wastewater treatment. The method is used for removing solid substances such as suspended matters, floating matters, precipitates and the like in small industrial wastewater treatment such as papermaking, slaughtering, leather, sugar making, wine brewing, food processing, spinning, printing and dyeing, petrifaction and the like, and is also used for pretreatment of useful substances such as recycled fibers, residues and the like in industries such as papermaking, alcohol, starch, food processing and the like and small water supply and drainage.

At present, common microstrainers have several forms such as arc hydraulic screen, the outer hydraulic screen of intaking of drum-type and the hydraulic screen of intaking in the drum-type, but ubiquitous screen cloth blocks up in the use, and separation effect to waste water worsens gradually, and the squeezing of slagging tap is dry inadequately, and the slagging tap blocks up the scheduling problem. Some devices improve the screen plugging problem by installing a backwash system, but this method increases the energy consumption.

SUMMERY OF THE UTILITY MODEL

For solving prior art, the screen cloth that the microstrainer exists easily blocks up, the poor technical problem of separation effect, the technical scheme of the utility model as follows:

the utility model provides a microstrainer with self-cleaning function, including shell body, drum sieve and slag charge conveyer, the upper portion of the shell body is provided with a water inlet, the bottom is provided with a water tank and a water outlet, the water inlet is provided with a water distribution device, the waste water to be filtered enters from the water inlet and is guided to the screen of the drum sieve through the water distribution device; the inside of drum sieve sets up a plurality of guide plates, the guide plate is arranged along the radial of drum sieve, and one end is connected with the axis of drum sieve, and the other end is connected with the screen cloth of drum sieve, and the waste water that treats the filtration gets into the drum sieve, passes the filter screen through the guide plate water conservancy diversion and falls into the water tank.

Further, the water distribution device comprises an energy dissipation plate and a water distribution groove, the energy dissipation plate is arranged at the water inlet, the water distribution groove is arranged along the axial direction of the drum screen, the tail end of the water distribution groove is abutted to the filter screen of the drum screen, and wastewater to be filtered is uniformly distributed on the screen of the drum screen.

Further, the slag conveying device comprises a rotating brush, a scraper and a spiral conveying and extruding device, the rotating brush is arranged on the upper side of the scraper, the spiral conveying and extruding device is arranged on the lower side of the scraper, and the working ends of the rotating brush and the scraper are abutted against the screen of the rotary screen.

Further, the spiral conveying and extruding device comprises a conveying groove and a spiral conveying rod, and the spiral conveying rod is arranged in the conveying groove.

Furthermore, the rotating hairbrush is a modularized row brush, and the bristles are made of nylon materials.

Furthermore, the screen mesh of the drum screen is a stainless steel wedge-shaped screen mesh, and the gap range of the grid bars of the screen mesh is 0.15-1 mm.

Further, the shell body is further provided with a top observation window cover, a front observation window cover and a front baffle.

Further, the outer shell is made of 304 or 316 stainless steel.

Furthermore, the drum screen is connected with the motor through a speed reducer through a coupling, and the motor drives the drum screen to rotate around the axis of the drum screen.

Furthermore, the rotating hairbrush is connected with the motor through a speed reducer through a coupling, and the motor drives the hairbrush to rotate around the axis of the hairbrush.

Furthermore, the water distribution tank and the connecting part of the scraper and the rotary screen are made of flexible materials such as rubber, resin and the like.

The utility model provides a microstrainer with self-cleaning function, compared with the prior art, its beneficial effect is:

the utility model provides a microstrainer with self-cleaning function, for solving prior art, the screen cloth that the microstrainer exists easily blocks up, the poor technical problem of separation effect, through arrange the guide plate in the drum sieve is inside, treat filterable waste water through the water distribution device drainage, get into corresponding guide plate interval from the upside screen cloth of drum sieve, treat that the drum sieve rotates half week time, waste water in the interval falls into the water tank because the effect of gravity downwards flows, carry out the reverse flushing to the screen cloth at the outflow in-process, effectively prevent slight waste residue at mesh cohesion, avoid the screen cloth to block up, the separation effect of device has been improved.

Drawings

Fig. 1 is a schematic view of a microfilter having a self-cleaning function according to the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the utility model provides a microstrainer with self-cleaning function, including shell body 1, drum sieve 2 and slag material conveyer, shell body 1 upper portion sets up water inlet 11, the bottom sets up water tank 13 and delivery port 12, water inlet 11 department sets up the water distributor, the waste water that treats filtering gets into from water inlet 11, through the screen cloth of water distributor drainage to drum sieve 2, the both ends of drum sieve 2 still set up sealed waterproof safe edge, prevent water from leaking down from the both ends of drum sieve 2 when even moisturizing, the inside of drum sieve 2 sets up a plurality of guide plates 21, guide plate 21 is arranged along the radial of drum sieve 2, one end is connected with the axis of drum sieve 2, the other end is connected with the screen cloth of drum sieve 2, a plurality of guide plates 21 separate the inside of drum sieve 2 into a plurality of intervals, the waste water that treats filtering is through the water distributor drainage, get into corresponding guide plate 21 interval from the upside screen cloth of drum sieve 2, treat that trommel 2 rotates half when week, the waste water in the interval falls into water tank 13 because gravity action downflow, carries out the backwash to the screen cloth at the outflow in-process, prevents effectively that slight waste residue from gathering in the mesh, avoids the screen cloth to block up.

The water distribution device comprises an energy dissipation plate 41 and a water distribution groove 42, the energy dissipation plate 41 is arranged at the water inlet 11, the water distribution groove 42 is arranged along the axial direction of the drum screen 2, the tail end of the water distribution groove is abutted to the filter screen of the drum screen 2, and wastewater to be filtered is uniformly distributed on the screen of the drum screen 2.

The slag conveying device comprises a rotating brush 31, a scraper 32 and a spiral conveying and extruding device, wherein the rotating brush 31 is arranged on the upper side of the scraper 32, the spiral conveying and extruding device is arranged on the lower side of the scraper 32, and the working ends of the rotating brush 31 and the scraper 32 are abutted against the screen of the rotary screen 2. The screw conveying and extruding device comprises a conveying groove 33 and a screw conveying rod 34, wherein the screw conveying rod 34 is arranged in the conveying groove 33. The rotating brush 31 is matched with the scraper 32 to clean slag on the surface of the rotary screen 2 to a conveying groove 33, and then the slag is conveyed and extruded through a spiral conveying rod 34.

The rotating brush 31 is a modular row brush, and the bristles are made of nylon. The screen of the rotary screen 2 is a wedge-shaped screen made of stainless steel, and the gap range of grid bars of the screen is 0.15-1 mm. The outer shell 1 is made of 304 or 316 stainless steel. The water distribution tank 42 and the part of the scraper 32 connected with the drum screen 2 are made of flexible materials such as rubber, resin and the like.

The rotary screen 2 is connected with a motor through a speed reducer by a coupling, and the motor drives the rotary screen 2 to rotate around the axis of the rotary screen. The rotating brush 31 is connected with a motor through a speed reducer by a coupling, and the motor drives the brush to rotate around the axis of the brush.

The outer casing 1 is further provided with a top viewing window cover 14, a front viewing window cover 15 and a front baffle 16. For observing internal operating conditions.

The working process of the utility model is as follows:

after waste water containing suspended matters enters equipment from a water inlet 11 of the device, water pressure is eliminated through the energy dissipation plate 41, the flow velocity is reduced, the waste water is uniformly distributed through the drum screen 2 through the water distribution groove 42, the sealing waterproof edge protector can prevent the leakage of unfiltered water from two ends of the drum, the drum screen 2 rotates around the shaft at a uniform speed in an oriented mode under the driving of the motor, the filtered waste water forms water flow through the guide plate 21, the secondary flushing effect is achieved on the drum screen 2, the problem of screen blockage is solved, and the filtered waste water is discharged from a water outlet 12 of the lower water tank 13. The rotating brush 31 intercepts the slag intercepted by the drum screen 2, slides to the scraper 32 under the action of gravity, then falls into the conveying groove 33, is conveyed to one end through the spiral conveying rod 34, and is discharged after extrusion dehydration.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The micro-filter with the self-cleaning function comprises an outer shell, a rotary screen and a slag conveying device, and is characterized in that a water inlet is formed in the upper part of the outer shell, a water tank and a water outlet are formed in the bottom of the outer shell, a water distribution device is arranged at the water inlet, and wastewater to be filtered enters from the water inlet and is guided to a screen mesh of the rotary screen through the water distribution device; the inside of drum sieve sets up a plurality of guide plates, the guide plate is arranged along the radial of drum sieve, and one end is connected with the axis of drum sieve, and the other end is connected with the screen cloth of drum sieve, and the waste water that treats the filtration gets into the drum sieve, passes the filter screen through the guide plate water conservancy diversion and falls into the water tank.

2. The microfilter with the self-cleaning function according to claim 1, wherein the water distribution device comprises an energy dissipation plate and a water distribution groove, the energy dissipation plate is arranged at the water inlet, the water distribution groove is arranged along the axial direction of the drum screen, the tail end of the water distribution groove is abutted against the filter screen of the drum screen, and the wastewater to be filtered is uniformly distributed on the screen mesh of the drum screen.

3. The self-cleaning microfilter according to claim 1, wherein the slag conveyor comprises a rotating brush, a scraper and a screw conveyor extruder, the rotating brush is arranged on the upper side of the scraper, the screw conveyor extruder is arranged on the lower side of the scraper, and the working ends of the rotating brush and the scraper are abutted against the screen of the trommel screen.

4. The self-cleaning microfiltration machine according to claim 3 wherein the screw conveying extrusion device comprises a conveying trough and a screw conveying rod, wherein the screw conveying rod is arranged in the conveying trough.

5. The self-cleaning microfilter of claim 4, wherein the rotating brushes are modular row brushes and the bristles are nylon.

6. The self-cleaning microfilter according to any of claims 1 to 5, wherein the screen of the trommel is a wedge screen of stainless steel material, and the gap between the bars of the screen is in the range of 0.15-1 mm.

7. The self-cleaning microfilter of claim 6, wherein the outer housing further provides a top viewing window cover, a front viewing window cover and a front baffle.

8. The self-cleaning microfilter of claim 6, wherein the outer housing is 304 or 316 stainless steel.