CN213760772U

CN213760772U - Back flush filtration system and back flush filter equipment

Info

Publication number: CN213760772U
Application number: CN202022707551.5U
Authority: CN
Inventors: 黄园园; 李东一; 何凯敏; 王建良; 马超
Original assignee: Hangzhou Lujie Environmental Science And Technology Co ltd
Current assignee: Hangzhou Lujie Environmental Science And Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-23
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a back flush filter equipment, including the cup, the cup is equipped with the inlet, is equipped with the filter core in the cup, and the fillter section of filter core is located the cup inboard, and the part that the filter core is located the outside of cup is equipped with the intercommunication mouth that is used for connecting sampling pipeline or back flush pipeline, and the cup bottom is equipped with the evacuation mouth that is used for the evacuation backwash water. In the using process, the sampling pipeline and the back washing pipeline are both connected with the communicating port, and the liquid inlet is connected with a booster pump for conveying a water sample. During the filtration, the water sample is got into the cup by the inlet, and in flowing out to the sampling pipeline from the intercommunication mouth after the filter core filters, the water sample of quality of water monitoring station to sampling pipeline detected. During back washing, the back washing pipeline conveys washing water into the filter element from the communicating port, and the washing water passes through the filter element and enters the cup body, so that the back washing of the filter element is realized. And discharging the flushed sewage through a drain port. The utility model also provides a back flush filtration system of including above-mentioned back flush filter equipment to have above-mentioned advantage.

Description

Back flush filtration system and back flush filter equipment

Technical Field

The utility model relates to the technical field of water treatment, in particular to back flush filter equipment. The utility model discloses still relate to a back flush filtration system including above-mentioned back flush filter equipment.

Background

In order to ensure the drinking safety of residents, a water quality monitoring station needs to detect and feed back water quality regularly, and turbid matters in water need to be filtered before water quality detection. At present, turbid matters are removed mainly in three modes, namely a natural sedimentation method, traditional filter element filtration and a centrifugal machine, in the market. The natural sedimentation is the most traditional pretreatment method which does not affect the water quality at all, but the sedimentation time is long, so that the automatic operation period of the water quality monitoring station cannot be met. Traditional filter core filters, adopts the cotton filter core of pp of 1um usually, nevertheless because the filter core presents for inside hollow cylinder basically, so through the mode installation of upper and lower extrusion, it is accurate to need higher technology skill just can install to we are difficult to carry out self-cleaning and manual washing to the filter core to this kind of material, lead to the maintenance cycle extremely short, and the filter effect is also not very ideal. The centrifuge can effectively remove turbid matters in water, but the centrifuge equipment is large in size, heavy in weight, high in price, unsuitable for most of water quality monitoring stations, difficult to realize automation and mainly used in occasions such as laboratories.

Therefore, how to provide a filtering device with high treatment efficiency and convenient cleaning and maintenance is a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a back flush filter equipment, it filters the turbid thing in the water sample through the filter core to carry out the back flush through the intercommunication mouth to the filter core, thereby reached the treatment effeciency height, be convenient for wash and the purpose of maintaining.

In order to achieve the above object, the utility model provides a back flush filter equipment, comprising a cup body, the cup is equipped with the inlet, be equipped with the filter core in the cup, the fillter section of filter core is located the cup is inboard, the filter core is located the part in the outside of cup is equipped with the intercommunication mouth that is used for connecting sampling pipeline or back flush pipeline, the cup bottom is equipped with the evacuation mouth that is used for the evacuation back flush water.

Preferably, the number of the filter elements is 3, and the filter elements are respectively a first filter element, a second filter element and a third filter element, and the pore diameters of the first filter element, the second filter element and the third filter element are different.

Preferably, the outer side of the cup body is provided with a mounting frame.

Preferably, the mounting bracket is located including the cover the retainer plate of cup periphery and with the retainer plate that the retainer plate links to each other and set up along vertical direction, the fixed plate is equipped with the fixed orifices that runs through along thickness direction.

The utility model also provides a back flush filtration system, including above-mentioned arbitrary back flush filter equipment.

Preferably, the liquid inlet is connected with the booster pump, the communication port is connected with one interface of the three-way joint, the other two interfaces of the three-way joint are respectively connected with the sampling pipeline and the backwashing pipeline, a sampling valve is arranged in the sampling pipeline, and a filter element flushing valve is arranged in the backwashing pipeline.

Preferably, the back flush pipeline is also connected with an exhaust pipeline, and an air valve is arranged in the exhaust pipeline.

Preferably, the sand basin is connected with an inlet of the booster pump through a conveying pipeline, and a filter is arranged between the sand basin and the booster pump.

Preferably, the booster pump is a diaphragm pump.

The utility model provides a back flush filter equipment, including the cup, the cup is equipped with the inlet, is equipped with the filter core in the cup, and the fillter section of filter core is located the cup inboard, and the part that the filter core is located the outside of cup is equipped with the intercommunication mouth that is used for connecting sampling pipeline or back flush pipeline, and the cup bottom is equipped with the evacuation mouth that is used for the evacuation backwash water.

In the using process, the sampling pipeline and the back washing pipeline are both connected with the communicating port, and the liquid inlet is connected with a booster pump for conveying a water sample. When normally filtering, the water sample gets into the cup by the inlet in, flows out to the sampling pipeline from the intercommunication mouth after the filter core filters, and the water sample of quality of water monitoring station to sampling pipeline detects. After long-time use, the back flush pipeline conveys the flushing water into the filter element through the communicating opening, and the flushing water passes through the filter element and enters the cup body, so that the back flush of the filter element is realized. And discharging the flushed sewage through a drain port.

The utility model also provides a back flush filtration system of including above-mentioned back flush filter equipment to have above-mentioned advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a backwashing filter device provided by the present invention;

fig. 2 is a perspective view of a backwash filter device provided by the present invention;

fig. 3 is a schematic structural diagram of the backwash filter system provided by the present invention.

Wherein the reference numerals in fig. 1 to 3 are:

cup 1, first filter core 2, second filter core 3, third filter core 4, liquid inlet 5, evacuation mouth 6, mounting bracket 7, first intercommunication mouth 21, second intercommunication mouth 31, third intercommunication mouth 41, back flush filter equipment 101, grit chamber 102, filter 103, booster pump 104, running water inlet valve 105, air valve 106, first back flush valve 107, second back flush valve 108, third back flush valve 109, first sampling valve 110, second sampling valve 111, third sampling valve 112, blowoff valve 113.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a backwash filter device provided in the present invention; fig. 2 is a perspective view of a backwash filter device provided by the present invention; fig. 3 is a schematic structural diagram of the backwash filter system provided by the present invention.

The structure of the backwash filter device 101 provided by the utility model is shown in fig. 1 and fig. 2, and comprises a cup body 1 and a filter element. Wherein, the upper end of the cup body 1 is opened, and the mounting seat is connected with the cup mouth in a sealing way through a threaded connecting sleeve. Specifically, the inner side of the threaded connecting sleeve is provided with a downward step surface, the step surface extrudes the upper end surface of the mounting seat, and the lower end surface of the mounting seat is attached to the cup opening. The mounting seat is squeezed between the connecting sleeve and the cup body 1 to realize sealing. In addition, in order to improve the sealing effect, components such as sealing gaskets can be arranged on two sides of the mounting seat. The mount pad has the through-hole that runs through along thickness direction, and the filter core is the bar-shaped, and its inside has along the blind hole of axial extension.

Optionally, the upper portion of the filter element is in sealing connection with the through hole of the mounting seat in a manner of interference fit and the like. The uppermost end of the blind hole is a communicating opening, and the part of the filter element below the mounting seat is made of filtering materials, so that a water sample can pass through the side wall of the filter element to enter the blind hole and finally flow out of the communicating opening. The communicating port can be connected with the sampling pipeline and the back flush pipeline through a three-way pipe and other parts. The bottom of the cup body 1 is provided with a liquid inlet 5, and a water sample enters the cup body 1 from the liquid inlet 5 and passes through the filter element to be filtered. The filtered water sample passes through the communicating port and enters the sampling pipeline. Backwash water enters the blind hole from the backwash pipeline and enters the cup body 1 after passing through the filter section, so that backwashing of the filter element is realized. The bottom of the cup body 1 is provided with a drain opening 6, and backwash water is discharged from the drain opening 6.

Optionally, the number of the filter elements is 3, and the filter elements are respectively a first filter element 2, a second filter element 3 and a third filter element 4, and the pore diameters of the three filter elements are different. In a specific embodiment of this application, the aperture of first filter core 2 is 3um, and the aperture of second filter core 3 is 5um, and the aperture of third filter core 4 is 10 um. The three filter elements are respectively connected with 1 adopting pipeline and 1 backwashing pipeline, so that the three filter elements can be cleaned in a backwashing way. Of course, the user can set the number of the filter elements according to the requirement, and the number is not limited herein.

Optionally, the outer side of the cup body 1 is provided with a mounting frame 7, and the cup body 1 is fixed in the water quality monitoring station through the mounting frame 7. Specifically, the mounting rack 7 comprises a fixing ring and a fixing plate which are sleeved on the cup body 1. As shown in figure 1, the fixed ring is sleeved on the periphery of the cup body 1, and the fixed plate is connected with the fixed ring and arranged along the vertical direction. The fixing plate is provided with a fixing hole penetrating along the thickness direction, and the fastening screw penetrates through the fixing hole and is fixedly connected with the water quality monitoring station. In addition, for the stability of improvement installation, the cup 1 outside is equipped with two mounting brackets 7 along vertical direction.

In this embodiment, the backwash filter device 101 includes a cup body 1 and a filter element, and the filter element is located in the cup body 1, and a cavity is formed between the two. When the filtering operation is carried out, a water sample firstly enters the cavity, then passes through the filter element to complete the filtering, and enters the sampling pipeline through the communicating port. During back washing, back washing water enters the filter element from the communicating port and passes through the filter element to enter the cavity, so that the back washing of the filter element is completed. The sewage in the cavity is then discharged from the drain 6. The backwashing filter device 101 has a simple structure, and the size of the cup body 1 in one embodiment of the application is about 130mm 200mm, so that the space occupied by the backwashing filter device 101 is remarkably reduced, and the parts are fewer, so that the backwashing filter device is convenient to maintain.

The utility model also provides a back flush filtration system, including above-mentioned arbitrary back flush filter equipment 101. In addition, the backwash filter system includes a booster pump 104, a backwash line, and a sampling line. The liquid inlet 5 of the back-flushing filtering device 101 is connected with the booster pump 104, and the communication port of the filter element is connected with one interface of the three-way joint. The other two interfaces of the three-way joint are respectively connected with a sampling pipeline and a back flush pipeline. A sampling valve is arranged in the sampling pipeline, and a filter element flushing valve is arranged in the backwashing pipeline. The emptying port 6 is also connected with an emptying pipeline, and an emptying valve 113 is arranged in the emptying pipeline. The back-flushing filtering system also comprises a controller, and the booster pump 104, the sampling valve, the filter element flushing valve and the emptying valve 113 are all connected with the controller. During filtering, the controller controls the filter element flushing valve and the emptying valve 113 to be closed, the booster pump 104 is started, and the sampling valve is opened. During back flushing, the controller controls the booster pump 104 to stop, the sampling valve to close, and the filter element flushing valve and the emptying valve 113 to open. The backwash line may be connected to a tap water inlet valve 105 to flush the filter element through tap water. The booster pump 104 may be a diaphragm pump, and the controller may be a PLC controller or an industrial personal computer, which is not limited herein.

Optionally, the filter cartridge comprises a first filter cartridge 2, a second filter cartridge 3 and a third filter cartridge 4. The first communication port 21 is connected to a first sampling line and a first backwash line, which are respectively provided with a first sampling valve 110 and a first backwash valve. The second communication port 31 is connected to a second sampling line and a second back flush line, which are respectively provided with a second sampling valve 111 and a second back flush valve 108. The third communication port 41 is connected to a third sampling line and a third backwash line, which are respectively provided with a third sampling valve 112 and a third backwash valve 109. The first backwashing pipeline and the third backwashing pipeline are connected with the second backwashing pipeline through a three-way joint. It should be noted that, a user can also control the opening sequence of the first backwash valve 107, the second backwash valve 108 and the third backwash valve 109 to enable the water sample to sequentially pass through the three filter elements as required. The technical solutions that are the same in structure as the backwash filter system and the backwash filter device 101 and different in control method also belong to the scope of protection of the present application.

Optionally, the back flushing pipeline is further connected with an exhaust pipeline, an air valve 106 is arranged in the exhaust pipeline, and the air valve 106 is connected with the controller. After the backwashing is completed, the air valve 106 is opened, so that the discharge of the backwashing sewage is accelerated.

Further, the backwashing filter system also comprises a grit chamber 102, and a water sample firstly enters the grit chamber 102 for precipitation, so that turbid matters entering the backwashing filter device 101 are reduced. The grit chamber 102 is connected to an inlet of the booster pump 104 through a transfer line, and a filter 103 is provided between the grit chamber 102 and the booster pump 104. Filter 103 may be implemented as a 63um coarse filter to avoid larger particles from entering backwash filter assembly 101.

In this embodiment, the backwashing filter system firstly processes a water sample through the grit chamber 102 and the filter 103, and then the water sample is pressurized by the booster pump 104 and then sent into the backwashing filter device 101, so that the treatment efficiency is improved, the whole treatment process is about 10min, the treatment time is short, and the backwashing filter system is suitable for most of water quality monitoring stations at present.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is to the backwash filter system and the backwash filter device provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a backwash filter equipment, its characterized in that, includes cup (1), cup (1) is equipped with inlet (5), be equipped with the filter core in cup (1), the fillter section of filter core is located cup (1) inboard, the filter core is located the part in the outside of cup (1) is equipped with the intercommunication mouth that is used for connecting sampling pipeline or backwash pipeline, cup (1) bottom is equipped with evacuation mouth (6) that are used for evacuation backwash water.

2. The backwashing filter apparatus of claim 1, wherein the number of the filter elements is 3, which are respectively a first filter element (2), a second filter element (3) and a third filter element (4), and the aperture of the three elements is different.

3. A backflush filter device according to claim 2, characterized in that the cup body (1) is provided on its outside with a mounting frame (7).

4. The backwashing filter apparatus of claim 3, wherein the mounting frame (7) includes a fixing ring fitted around the outer periphery of the cup body (1) and a fixing plate connected to the fixing ring and vertically disposed, the fixing plate having a fixing hole penetrating therethrough in a thickness direction.

5. A backflush filter system, characterized in that it comprises a backflush filter device (101) according to any one of claims 1 to 4.

6. The backwashing filter system of claim 5, wherein the liquid inlet (5) is connected to a booster pump (104), the communication port is connected to one port of a three-way joint, the other two ports of the three-way joint are respectively connected to the sampling line and the backwashing line, a sampling valve is disposed in the sampling line, and a filter element flushing valve is disposed in the backwashing line.

7. The backflushing filter system according to claim 6 wherein the backflushing line is further connected to a vent line having an air valve (106) disposed therein.

8. The backwash filter system as claimed in claim 6, further comprising a grit chamber (102), wherein the grit chamber (102) is connected to an inlet of the booster pump (104) through a transfer line, and a filter (103) is provided between the grit chamber (102) and the booster pump (104).

9. The backwash filter system as in claim 6 wherein the booster pump (104) is a diaphragm pump.