CN212680207U

CN212680207U - Filter and filtration system thereof

Info

Publication number: CN212680207U
Application number: CN201921700500.0U
Authority: CN
Inventors: 朱琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-03-12
Anticipated expiration: 2029-10-11

Abstract

The utility model belongs to the technical field of the filtration technique and specifically relates to a filter, including the tank, separate into effluent water sump and clean water reservoir through the baffle, be equipped with the slope in the filter box and place, be used for accepting the filter of sewage, separate into water purification drainage district and sewage drainage district with the filter box, back flush equipment, filter the box setting in the tank top, water purification drainage district and clean water reservoir intercommunication, sewage drainage district and effluent water sump intercommunication, back flush equipment sets up in the filter below, still is equipped with first sewage pump between effluent water sump and the filter box top, carries sewage to the overflow district in from the effluent water sump. The utility model provides a pair of filter and filtration system thereof, the filter slope sets up to introduce back flush equipment in the filter below, when the filter blocks up, can start back flush equipment and carry out the backwash to the impurity on the filter, and make impurity along with rivers go into the effluent water sump, can effectually guarantee filterable going on smoothly.

Description

Filter and filtration system thereof

Technical Field

The utility model belongs to the technical field of the filtration technique and specifically relates to a filter and filtration system thereof.

Background

The existing filtering device for removing the solid impurities in the waste liquid enters the box body from a water inlet at the top of the box body, then falls into the filter screen under the action of self weight, and is filtered by the filter screen to intercept the solid impurities; the long-term use of the device can cause the impurities to be accumulated on the filter screen, so that the filter screen is blocked, the normal work of the filter screen is influenced, and the impurities are more complicated to process.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is: in order to solve the long-term use of current filter screen and to lead to impurity accumulation on the filter screen, cause the problem that exists in the filter screen jam technique, the utility model provides a filter and filtration system thereof, the filter slope sets up to introduce back flush equipment in the filter below, when the filter appears blockking up, can start back flush equipment and carry out the back flush to the impurity on the filter, and make impurity along with rivers go into the effluent water sump, can effectually guarantee filterable going on smoothly.

The technical scheme that utility model solved its technical problem and adopted is: a filter, comprising:

a water storage tank which is divided into a sewage tank and a clean water tank by a partition plate,

a filter box body, wherein a filter plate which is obliquely arranged and used for receiving sewage is arranged in the filter box body, the filter box body is divided into a purified water drainage area and a sewage drainage area,

an overflow area, the overflow area is positioned at one side of the filtering box body far away from the sewage drainage area, an overflow plate is arranged between the overflow area and the purified water drainage area, the overflow plate is lower than the filtering box body, an overflow port is arranged at the side part of the overflow area,

the back-flushing equipment is characterized in that,

the filter box body is arranged above the water storage tank, the purified water drainage area is communicated with the purified water tank, the sewage drainage area is communicated with the sewage tank, the backwashing equipment is arranged below the filter plate and used for backwashing the filter plate, and a sewage pump is further arranged between the sewage tank and the overflow port and used for conveying sewage from the sewage tank to the overflow area.

Specifically, the included angle between the filter plate and the horizontal plane is 45-60 degrees.

Specifically, the filter includes filters the framework and fixes the filter screen in filtering the framework, filter the framework and filter box internal wall fixed connection.

Specifically, the bottom of the filtering frame body is fixedly connected with the partition plate through a sewage baffle plate.

Specifically, the filter screen is a 50-180 mesh filter screen.

Specifically, the surface of the filter plate is movably connected with a water pressing plate.

The backwashing equipment comprises a backwashing pipe, a clean water pump and a driving device, one end of the backwashing pipe is closed, the other end of the backwashing pipe is communicated with the clean water pump, a plurality of backwashing holes used for washing the filter screen are formed in the backwashing pipe, sliding grooves parallel to the filter screen are formed in two sides of the filter box body, the flushing pipe penetrates through the sliding grooves in two sides of the filter box body, and the driving device is arranged at the sliding grooves in two sides of the filter box body and used for driving the backwashing pipe to move up and down along the sliding grooves.

Specifically, the driving device is cylinders respectively arranged on two sides of the filtering box body.

A filtration system comprises the filter and a centrifugal separator, wherein the centrifugal separator comprises a water inlet which is communicated with a sewage pool through a second sewage pump.

The beneficial effects of utility model are that: the utility model provides a pair of filter and filtration system thereof, the filter slope sets up to introduce back flush equipment in the filter below, when the filter blocks up, can start back flush equipment and carry out the backwash to the impurity on the filter, and make impurity along with rivers go into the effluent water sump, can effectually guarantee filterable going on smoothly.

Drawings

The following further describes the present invention with reference to the drawings and examples.

Fig. 1 is a perspective view of a filter according to the present invention;

FIG. 2 is a cross-sectional view of a filter according to the present invention;

wherein: 1. the sewage treatment system comprises a water storage pool, 11 partition plates, 12 a sewage pool, 13 a clean water pool, 2 a filtering box body, 21 a clean water draining area, 22 a sewage draining area, 23 a sliding groove, 3 a filtering plate, 31 a filtering frame body, 32 a filtering net, 33 a sewage water baffle, 34 a water pressing plate, 4 a first sewage pump, 51 a backwashing pipe, 52 a clean water pump, 53 a driving device, 6 an overflow area, 61 an overflow plate, 62 an overflow port and 72 a second sewage pump.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic manner, and therefore show only the components relevant to the invention.

As shown in fig. 1 and 2, a filter includes:

a water storage tank 1, the water storage tank 1 is divided into a sewage tank 12 and a clear water tank 13 by a partition plate 11,

a filter box body 2, a filter plate 3 which is obliquely arranged and used for receiving sewage is arranged in the filter box body 2, the filter box body 2 is divided into a purified water drainage area 21 and a sewage drainage area 22,

an overflow area 6, the overflow area 6 is positioned at one side of the filtering box body 2 far away from the sewage draining area 22, an overflow plate 61 is arranged between the overflow area 6 and the purified water draining area 21, the overflow plate 61 is lower than the filtering box body 2, an overflow port 62 is arranged at the side part of the overflow area 6,

the back-flushing equipment is characterized in that,

the filter box body 2 is arranged above the water storage tank 1, the purified water drainage area 21 is communicated with the purified water tank 13, the sewage drainage area 22 is communicated with the sewage tank 12, the backwashing equipment is arranged below the filter plate 3 and used for backwashing the filter plate 3, and a first sewage pump 4 is arranged between the sewage tank 12 and the overflow port 62 and used for conveying sewage from the sewage tank 12 to the overflow area 6.

The back flushing device is mainly used for flushing the filter plate 3 along the reverse direction of the sewage flow direction, and can flush the impurities accumulated on the filter plate 3 into the sewage pool 12.

Wherein, the sewage is conveyed to the overflow area 6 through the overflow port 62, and when the water level exceeds the overflow plate 61, the sewage flows downwards along the filter plate 3, thereby achieving the filtering effect.

In the present embodiment, the first sewage pump 4 between the sewage reservoir 12 and the overflow port 62 is a submersible pump located in the sewage reservoir 12, or may be another pipeline, the first sewage pump 4 is disposed outside the filter, the water inlet of the first sewage pump 4 is communicated with the sewage reservoir 12, and the water outlet of the first sewage pump 4 is communicated with the overflow port 62.

In one embodiment the filter plate 3 is angled at 45-60 ° to the horizontal. Can ensure that enough sewage is filtered by the filter plate 3 and simultaneously ensure that filter residues on the filter plate 3 are flushed into the sewage tank 12 by the newly pumped sewage.

In one embodiment, the filter plate 3 includes a filter frame 31 and a filter screen 32 fixed on the filter frame 31, and the filter frame 31 is fixedly connected to the inner side wall of the filter housing 2.

In one embodiment, the bottom of the filter frame 31 is fixedly connected to the partition 11 by a sewage guard 33. In the filtering process, part of the sewage directly flows back to the sewage tank 12 along the surface of the filter plate 3, and when the sewage flows through the lower side of the filter plate 3 along the surface of the filter plate 3, the sewage possibly flows into the clean water tank 13, and the sewage water baffle 33 is additionally arranged at the bottom of the filter frame body 31, so that the problem can be effectively solved.

In one embodiment, screen 32 is a 50-180 mesh screen. The mesh size of the filter screen 32 may be selected according to the size of particles in the waste liquid in particular.

In one embodiment, the filter plate 3 has a pumping plate 34 movably attached to its surface. The water pressing plate 34 is mainly used for reducing the space for sewage to flow downwards, so that the sewage as much as possible flows into the clean water tank 13 after being filtered by the filter plate 3; the water pressing plate 34 also presses the backwashed water so that the water is not sprayed out from the top of the filter box body 2.

In a specific embodiment, the backwashing device comprises a backwashing pipe 51, a clean water pump 52 and a driving device 53, one end of the backwashing pipe 51 is closed, the other end of the backwashing pipe is communicated with the clean water pump 52, a plurality of backwashing holes for washing the filter screen 32 are arranged on the backwashing pipe 51, sliding grooves 23 parallel to the filter plates 3 are arranged on two sides of the filter box body 2, the flushing pipe penetrates through the sliding grooves 23 on two sides of the filter box body 2, and the driving device 53 is arranged on the sliding grooves 23 on two sides of the filter box body 2 and is used for driving the backwashing pipe 51 to move up and down along the sliding grooves 23.

The clean water pump 52 may be an independent pump shown in fig. 1 and 2 of the present invention, and pumps water from the clean water tank 13 for backwashing, and the clean water pump 52 may also be tap water, and only needs a certain pressure, and the rinsing is completed through the pressure of the tap water and the backwashing holes; wherein the backwash holes may be a row of holes, or a plurality of rows of holes, arranged outside the backwash pipe 51.

In one embodiment, the driving means 53 are air cylinders respectively disposed at both sides of the filtering case 2. Wherein, the cylinder can make there is the pole cylinder, also can be no pole cylinder, selects for use in this particular embodiment to be no pole cylinder, and backwash pipe 51 passes through the fixed block with the piston of cylinder and fixes.

A filtration system comprising the above filter and further comprising a centrifugal separator (not shown in the drawings of the present invention) comprising a water inlet communicating with sump 12 via a second sump pump 72. The centrifugal separator can be a commercial centrifugal separator, as long as sewage is pumped into the centrifugal separator through the second sewage pump 72 for centrifugal separation, filter residues can be discharged, and filtered filtrate can flow back to the sewage tank 12 or the clean water tank 13 or can be used for other purposes.

In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A filter, characterized by comprising:

a water storage tank (1), wherein the water storage tank (1) is divided into a sewage tank (12) and a purified water tank (13) by a partition plate (11),

a filter box body (2), wherein a filter plate (3) which is obliquely arranged and used for receiving sewage is arranged in the filter box body (2), the filter box body (2) is divided into a purified water drainage area (21) and a sewage drainage area (22),

an overflow area (6), wherein the overflow area (6) is positioned on one side of the filtering box body (2) far away from the sewage drainage area (22), an overflow plate (61) is arranged between the overflow area (6) and the water purification drainage area (21), the overflow plate (61) is lower than the filtering box body (2), an overflow port (62) is arranged on the side part of the overflow area (6),

the back-flushing equipment is characterized in that,

the filter tank body (2) is arranged above the water storage tank (1), the purified water drainage area (21) is communicated with the purified water tank (13), the sewage drainage area (22) is communicated with the sewage pool (12), the backwashing equipment is arranged below the filter plate (3) and used for backwashing the filter plate (3), a sewage pump (4) is further arranged between the sewage pool (12) and the overflow port (62) and used for conveying sewage from the sewage pool (12) to the overflow area (6).

2. A filter as defined in claim 1, wherein: the included angle between the filter plate (3) and the horizontal plane is 45-60 degrees.

3. A filter as defined in claim 1, wherein: the filter plate (3) includes filter frame body (31) and fixes filter screen (32) on filter frame body (31), filter frame body (31) and filter box (2) inside wall fixed connection.

4. A filter as defined in claim 3, wherein: the bottom of the filtering frame body (31) is fixedly connected with the partition board (11) through a sewage baffle (33).

5. A filter as defined in claim 3, wherein: the filter screen (32) is a filter screen with 50-180 meshes.

6. A filter as defined in claim 1, wherein: the surface of the filter plate (3) is movably connected with a water pressing plate (34).

7. A filter as defined in claim 1, wherein: the backwashing equipment comprises a backwashing pipe (51), a clean water pump (52) and a driving device (53), wherein one end of the backwashing pipe (51) is closed, the other end of the backwashing pipe is communicated with the clean water pump (52), a plurality of backwashing holes for washing the filter screen (32) are formed in the backwashing pipe (51), sliding grooves (23) which are parallel to the filter plates (3) are formed in two sides of the filter box body (2), the flushing pipe penetrates through the sliding grooves (23) in two sides of the filter box body (2), and the driving device (53) is arranged at the sliding grooves (23) in two sides of the filter box body (2) and is used for driving the backwashing pipe (51) to move up and down along the sliding grooves (23).

8. A filter as defined in claim 7, wherein: the driving device (53) is a cylinder which is respectively arranged at two sides of the filtering box body (2).

9. A filtration system, characterized by: comprising a filter according to any of claims 1-8, further comprising a centrifugal separator comprising a water inlet, which communicates with the sump (12) via a second sewage pump (72).