CN214327148U

CN214327148U - Self-cleaning prefilter

Info

Publication number: CN214327148U
Application number: CN202022455379.9U
Authority: CN
Inventors: 陈明翠; 梁伦硕; 盘章俊; 姚海军
Original assignee: Chongqing Neide Environmental Technology Co ltd
Current assignee: Chongqing Neide Environmental Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-01
Anticipated expiration: 2030-10-29

Abstract

A self-cleaning prefilter for decreasing the sewage filtering efficiency of filter core is composed of a movable tank with liquid inlet and sewage outlet tubes, a mounting plate with top sealed and bottom open, a water collecting tank with top through mounting plate and bottom through water collecting tank, multiple vertical filter cores, and a cleaning unit for driving said filter cores to rotate and clean the external walls of filter cores, the utility model discloses simple structure, mainly used is to sewage prefiltration processing.

Description

Self-cleaning prefilter

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to self-cleaning prefilter convenient to carry out cleanness to the filter core.

Background

Among the sewage treatment process, this field often can adopt the filtration mode to carry out preliminary treatment to sewage, and preliminary treatment can separate impurity and water in the sewage to reach the purpose of impurity and water in the separation sewage, sewage after filtration treatment can reduce a large amount of impurity in the composition, thereby provides the condition for follow-up advanced treatment.

In the prior art, a device for filtering and separating sewage by using a filter element is available in the field, and the principle of the device is that sewage enters the filter element by applying a certain pressure to the sewage from the outside of the filter element, and in the process of entering the filter element, the filter element can filter a part of impurities and leave the impurities outside the filter element, and the sewage entering the filter element and filtered is conveyed to a specified place.

When the filter element is used for a long time, a certain amount of dirt can be adhered to the outer wall of the filter element, and the dirt can prevent sewage from entering the filter element, so that the filtering efficiency of the filter element for filtering the sewage is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is not enough to prior art, releases a self-cleaning prefilter for solve the filter core that mentions in the background art at the operation in-process, the filth can adhere to the filter core outer wall gradually, thereby causes the technical problem that the filter efficiency that the filter core filtered sewage reduces.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a self-cleaning prefilter, includes mobilizable jar body, mounting panel, header tank, a plurality of vertical filter core and clean subassembly, jar side wall and bottom are equipped with feed liquor pipe and blow off pipe respectively, and mounting panel and header tank correspond from top to bottom and all fix in jar internally, and the equal top of every filter core is sealed, the bottom opening, and every filter core top is worn to establish the mounting panel, and every filter core bottom is all worn to establish in the header tank, and every relative mounting panel of filter core and header tank all can rotate, and a plurality of filter cores all are located same circumference, and the intercommunication has the drain pipe that stretches out the jar external on the header tank, clean subassembly is located jar physically and is worn to establish in jar to be used for driving many filter cores simultaneously and rotate and clean every filter core outer wall.

The working principle is as follows: firstly, the tank body is moved to a designated station for operation, an operator sends external sewage into the tank body through the liquid inlet pipe, and impurities mixed in the sewage entering the tank body begin to deposit at the bottom of the tank body under the action of gravity.

And the sewage entering the tank body begins to fill the space between the mounting plate and the water collecting tank, then under the water delivery pressure of continuously delivering the sewage into the tank body from the outside, the sewage begins to pass through the filter element and enter the filter element, and the sewage entering the filter element enters the water collecting tank and is delivered out of the tank body through the water drainage pipe.

Then through filtering the impurity that stays in the filter core outside, along with progressively piling up and begin to diffuse outward to through the clearance deposit between header tank and the jar body in jar body bottom, the impurity of deposit in jar body bottom is finally through outside the blow off pipe delivers out the jar body.

The utility model discloses after operation a period, the operating personnel accessible clean subassembly drives every the filter core rotates to clean the outer wall of filter core at filter core pivoted in-process, thereby will bond the filth on the filter core outer wall and clear away, the filth is cleared away and also can deposit after getting off jar body bottom, it is external also to discharge the jar through the blow off pipe at last.

The utility model has the advantages that:

the utility model discloses with the help of jar body, filter core, header tank and clean subassembly, the cooperation of filter core and header tank can filter sewage, clean subassembly can drive every the filth that bonds on the filter core rotates and clean every filter core outer wall to keep the filter core outer wall to be in clear state, thereby can keep sewage to pass through the filter core continuously unblocked, and filtered by the filter core, guaranteed that the filter core can last to filter sewage high-efficiently.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: the device comprises a tank body 1, a mounting plate 2, a water collecting tank 3, a filter element 4, a liquid inlet pipe 5, a sewage discharge pipe 6, a water discharge pipe 7, a connecting piece 8, a rotating shaft 9, a rotating drum 10, bristles 11, an upper cover 12, a lower shell 13, a first connecting ring 14, a second connecting ring 15, bolts 16, a hard net 17, glass fiber net filter paper 18, a spray melting filter element 19, an oil level controller 20, a support column 21, a moving wheel 22, a pressure detector 23, a pressure release valve 24 and impurities 25.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, the self-cleaning prefilter comprises a movable tank body 1, a mounting plate 2, a water collecting tank 3, a plurality of vertical filter elements 4 and a cleaning component, wherein a liquid inlet pipe 5 and a sewage discharge pipe 6 are respectively arranged on the side wall and the bottom of the tank body 1, the mounting plate 2 and the water collecting tank 3 correspond to each other from top to bottom and are fixed in the tank body 1, each filter element 4 is sealed at the top and is opened at the bottom, the mounting plate 2 is arranged at the top of each filter element 4 in a penetrating way, the bottom of each filter element 4 is arranged in the water collecting tank 3 in a penetrating way, each filter element 4 can rotate relative to the mounting plate 2 and the water collecting tank 3, the plurality of filter elements 4 are positioned on the same circumference, a drain pipe 7 extending out of the tank body 1 is communicated with the water collecting tank 3, the cleaning component is arranged on the tank body 1 in a penetrating way so as to drive the plurality of filter elements 4 to rotate and clean the outer wall of each filter element 4 simultaneously, a plurality of pillars 21 are arranged at the bottom of the tank body 1, every pillar 21 bottom all is equipped with removes wheel 22, jar body 1 top is equipped with pressure detection meter 23 and relief valve 24, pressure detection meter 23 can detect the pressure value in the jar body 1 to report to the police according to the pressure threshold value that detects, when needing to overhaul or change the spare part in the jar body 1, operating personnel can pass through relief valve 24 steps down the inside of the jar body 1, then opens again jar body 1.

The utility model discloses with the help of jar body 1, filter core 4, header tank 3 and clean subassembly, the cooperation of filter core 4 and header tank 3 can filter sewage, clean subassembly can drive every the filth that bonds on 4 outer walls of filter core 4 rotates and clean every filter core to keep 4 outer walls of filter core to be in clear state, thereby can keep sewage to pass through filter core 4 continuously unblocked, and filtered by filter core 4, guaranteed that filter core 4 can continuously filter sewage high-efficiently.

As shown in fig. 1, the cleaning assembly comprises a rotating shaft 9 and a rotating drum 10 which are vertical and are limited on the tank body 1 through a connecting piece 8, and bristles 11 which are fixedly arranged on the circumferential outer wall of the rotating drum 10, wherein the rotating shaft 9 penetrates through the tank body 1 from the top of the tank body 1 and penetrates through the mounting plate 2, the circumference enclosed by the rotating shaft 9 and the plurality of filter elements 4 is concentric, the rotating shaft 9 and the rotating drum 10 are concentric, the bottom of the rotating shaft 9 is fixedly connected with the rotating drum 10, and the bristles 11 are abutted to the outer walls of the plurality of filter elements 4.

The drive pivot 9 rotates, and pivot 9 will drive rotating drum 10 rotates rotating in-process, and then rotating drum 10 will drive brush hair 11 on the rotating drum 10 outer wall and rotate, brush hair 11 rotates can drive and rotates with the filter core 4 of brush hair 11 butt, and this in-process brush hair 11 can clean the lateral wall of filter core 4, and this kind of setting mode simple structure, the cost of manufacture is low, and use cost is low, can improve the practicality. As shown in fig. 1, the connecting piece 8 is the motor structure who fixes in the jar body 1 outside, the output at connecting piece 8 is connected at the top of pivot 9, through the connecting piece 8 drive pivot 9 rotates, and a large amount of manpowers can be practiced thrift to this kind of mode, improves the efficiency of clean filter core 4 outer wall.

As shown in FIG. 1, jar body 1 includes upper cover 12, inferior valve 13 and coupling assembling, and this upper cover 12 and inferior valve 13 pass through coupling assembling dismantlement formula and connect, this kind of mode of setting up, and operating personnel can be through dismantling upper cover 12 from inferior valve 13 down, then inspect or change spare part in jar body 1, this kind of mode has further improved the utility model discloses the flexibility of using. The coupling assembly includes a first coupling ring 14 fixed to the outer periphery of the upper cover 12, a second coupling ring 15 fixed to the outer periphery of the lower case 13, and a plurality of bolts 16, and the plurality of bolts 16 are threadedly coupled to the upper cover 12 and the lower case 13.

As shown in fig. 1 and 2, each of the filter elements 4 includes a cylindrical hard net 17 and a glass fiber net filter paper 18 fixed in the hard net 17 and coaxial with the hard net 17, the hard net 17 is made of stainless steel, the hard net 17 can form a skeleton of the filter element 4 and can filter impurities 25 in sewage, the glass fiber net filter paper 18 can further enable waste oil contained in sewage to pass through and coalesce into oil drops, the waste oil in sewage is filtered, the density of the waste oil is lower than that of water, and the oil drops formed by the glass fiber net filter paper 18 can float on the top of the tank body 1, so that the effects of filtering the impurities 25 and coalescing and removing the waste oil are achieved. The filter element 4 still includes and spouts melting filter element 19, should spout melting filter element 19 and fix in glass fiber net filter paper 18 and coaxial with stereoplasm net 17, spout melting filter element 19 and also can further coalesce into the oil droplet with the waste oil through spouting melting filter element 19, and then make the oil droplet float at jar body 1 top, spout melting filter element 19 and have better sewage circulation structure to also can guarantee that sewage lasts high-efficient flow through spout melting filter element 19, when guaranteeing sewage circulation speed, further coalesce and get rid of the waste oil in the sewage. Jar body 1 top is equipped with oil level controller 20, will gather outside jar body 1 of the waste oil discharge at jar body 1 top through oil level controller 20, further reaches the effect of centralized processing waste oil.

The working principle is as follows: firstly, the tank body 1 is moved to a designated station for operation, an operator sends external sewage into the tank body 1 through the liquid inlet pipe 5, and impurities 25 mixed in the sewage entering the tank body 1 begin to deposit at the bottom of the tank body 1 under the action of gravity.

And the sewage entering the tank body 1 starts to fill the space between the mounting plate 2 and the water collecting tank 3, then the sewage starts to pass through the filter element 4 and enter the filter element 4 under the water delivery pressure of continuously delivering the sewage into the tank body 1 from the outside, and the sewage entering the filter element 4 enters the water collecting tank 3 and is delivered out of the tank body 1 through the water discharge pipe 7. The waste oil in the sewage can be coalesced into oil drops in the process of passing through the glass fiber net filter paper 18 and the spray melting filter element 19, and then floats on the top of the tank body 1, and the waste oil floating on the top of the tank body 1 is discharged through the oil level controller 20.

Then the impurities 25 left outside the filter element 4 are filtered, and are gradually accumulated to be diffused outside the filter element 4, and are deposited at the bottom of the tank body 1 through the gap between the water collecting tank 3 and the tank body 1, and the impurities 25 deposited at the bottom of the tank body 1 are finally sent out of the tank body 1 through the sewage discharge pipe 6.

The utility model discloses after operation a period, the operating personnel accessible clean subassembly drives every filter core 4 rotates, specifically, starts connecting piece 8, this connecting piece 8 can drive pivot 9 and rotate, and pivot 9 rotates the in-process and will drive rotary drum 10 and rotate in step, and then brush hair 11 on rotary drum 10 drive the rotary drum 10 outer wall rotates, and brush hair 11 rotates and can drive filter core 4 and rotate to at filter core 4 pivoted in-process, pivoted brush hair 11 can clean the outer wall of filter core 4, thereby will bond the filth on the outer wall of filter core 4 and clear away, the filth is clear away and also can deposit after getting off the jar body 1 bottom, also discharge jar body 1 outside through blow off pipe 6 at last.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A self-cleaning prefilter characterized by: comprises a movable tank body (1), a mounting plate (2), a water collecting tank (3), a plurality of vertical filter elements (4) and a cleaning component, the side wall and the bottom of the tank body (1) are respectively provided with a liquid inlet pipe (5) and a sewage discharge pipe (6), the mounting plate (2) and the water collection tank (3) are vertically corresponding and are fixed in the tank body (1), each filter element (4) is sealed at the top and is opened at the bottom, the mounting plate (2) is arranged at the top of each filter element (4) in a penetrating way, the bottom of each filter element (4) is arranged in the water collection tank (3) in a penetrating way, and each filter element (4) can rotate relative to the mounting plate (2) and the water collecting tank (3), a plurality of filter elements (4) are all positioned on the same circumference, a drain pipe (7) extending out of the tank body (1) is communicated with the water collecting tank (3), the cleaning component is arranged on the tank body (1) and is arranged in the tank body (1) in a penetrating way, so as to simultaneously drive a plurality of filter elements (4) to rotate and clean the outer wall of each filter element (4).

2. A self-cleaning prefilter according to claim 1 wherein: clean subassembly includes vertical and through pivot (9), rotary drum (10) of connecting piece (8) spacing on jar body (1) and fixed brush hair (11) of locating on rotary drum (10) circumference outer wall, pivot (9) are worn to establish in jar body (1) and are worn to establish mounting panel (2) from jar body (1) top, and this pivot (9) and the circumference that a plurality of filter cores (4) enclose are concentric, and this pivot (9) and rotary drum (10) are concentric and this pivot (9) bottom and rotary drum (10) fixed connection, brush hair (11) and the equal butt of a plurality of filter cores (4) outer wall.

3. A self-cleaning prefilter according to claim 2 wherein: the connecting piece (8) is a motor structure fixed on the outer side of the tank body (1), and the top of the rotating shaft (9) is connected to the output end of the connecting piece (8).

4. A self-cleaning prefilter according to any one of claims 1 to 3 wherein: the tank body (1) comprises an upper cover (12), a lower shell (13) and a connecting assembly, wherein the upper cover (12) is detachably connected with the lower shell (13) through the connecting assembly.

5. A self-cleaning prefilter according to claim 4 wherein: the connecting assembly comprises a first connecting ring (14) fixed on the periphery of the upper cover (12), a second connecting ring (15) fixed on the periphery of the lower shell (13) and a plurality of bolts (16), and the bolts (16) are in threaded connection with the upper cover (12) and the lower shell (13).

6. A self-cleaning prefilter according to any one of claims 1 to 3 wherein: each filter element (4) comprises a cylindrical hard net (17) and glass fiber net filter paper (18) which is fixed in the hard net (17) and is coaxial with the hard net (17).

7. A self-cleaning prefilter according to claim 6 wherein: the hard net (17) is made of stainless steel.

8. A self-cleaning prefilter according to claim 6 wherein: the filter element (4) also comprises a spray melting filter element (19), and the spray melting filter element (19) is fixed in the glass fiber net filter paper (18) and is coaxial with the hard net (17).

9. A self-cleaning prefilter according to any one of claims 1 to 3 wherein: the top of the tank body (1) is provided with an oil level controller (20).

10. A self-cleaning prefilter according to any one of claims 1 to 3 wherein: the top of the tank body (1) is provided with a pressure detector (23) and a pressure release valve (24).