CN210409793U - Modularization cartridge filter of endogenous backwash - Google Patents

Abstract

The utility model discloses a modularization safety filter of endogenous backwash, including the unit of intaking, modularization filter unit, female pipe of product water and control system. A plurality of groups of filtering units are arranged in parallel between the water inlet unit and the water producing unit. The water inlet unit is connected with the filtering system through a water distribution branch pipe, and the filtering system is connected with the water producing main pipe through a water outlet branch pipe. The security filter automatically and sequentially carries out the endogenous back washing of each group of modularized filter units when the two sections of differential pressures of the filter units are overhigh or the set back washing time is prolonged, thereby realizing the automatic cleaning and purification of the security filter, avoiding the conditions that the traditional security filter cannot be automatically cleaned when the filtering speed is reduced or the differential pressure is overhigh, the filter element needs to be frequently replaced or cleaned in vitro, and the service life of the filter element is short, reducing the operation and maintenance cost of the equipment, and ensuring the continuous operation of the equipment.

Description

Modularization cartridge filter of endogenous backwash

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the security device, a modularization safety filter of endogenous backwash is related to.

[ background of the invention ]

At present, a security filter used in front of a reverse osmosis device mostly adopts a pressure type filter, namely, a certain number of high-flow high-precision filter elements are arranged in a pressure container tank. When the security filter operates, impurities such as micro suspended matters in water are intercepted on the surface of the filter element, and when the pollutants on the surface of the filter element are intercepted to a certain degree, the filtering speed cannot reach the designed flow speed or the pressure difference between the front and the rear of the filter is too large, all the filter elements need to be replaced. The traditional security filter can not realize automatic on-line backwashing, and all filter elements need to be replaced or the filter elements need to be cleaned in vitro when the traditional security filter fails. At present, the pollution and blockage of the domestic security filter are common, and the filter element needs to be frequently replaced or cleaned in vitro, so that the threat to the safe operation of reverse osmosis is brought, and the operation cost of the system is greatly increased. In order to solve the problems of short service life, frequent replacement, high equipment maintenance cost and the like of the traditional security filter element, the security filter capable of automatically backwashing on line needs to be developed urgently.

[ Utility model ] content

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a modularization cartridge filter of endogenous backwash, this filter has solved traditional cartridge filter can not automatic online backwash, the filter core need frequently change, cartridge filter can not the continuous operation shortcoming, simultaneously, this filter also can be used as cartridge filter before other water treatment facilities.

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

an endogenous backwashing modular cartridge filter comprises a water inlet unit (1), a filtering system (2), a water producing main pipe (3) and a control system (4) for collecting running time and pressure difference at two ends of the modular filtering unit; a plurality of groups of filtering systems (2) are arranged in parallel between the water inlet unit (1) and the water producing main pipe (3); the water inlet unit (1) is connected with the filtering system (2) through a water distribution branch pipe, and the filtering system (2) is connected with the water producing main pipe (3) through a water outlet branch pipe.

The utility model discloses further improvement lies in:

the water inlet unit (1) comprises a water inlet main pipe, a water distribution branch pipe, an automatic water inlet valve, a backwashing water discharge branch pipe and an automatic backwashing water discharge valve; the incoming water respectively enters each water distribution branch pipe after passing through the water inlet main pipe, and each water distribution branch pipe is provided with an automatic water inlet valve; and backwashing water discharge branch pipes are arranged behind the respective water inlet valves, and automatic backwashing water discharge valves are arranged on the backwashing water discharge branch pipes.

The filtering system (2) comprises a plurality of groups of modular filtering units and differential pressure monitoring instruments respectively arranged at two ends of each modular filtering unit.

The modular filtering unit comprises a shell and a filter element arranged in the shell, and two ends of the modular filtering unit are respectively communicated with the water distribution branch pipe and the water outlet branch pipe.

The end part of the shell is provided with a movable joint which is matched with the filter element and facilitates the disassembly of the filter element.

The filter element is made of corrosion-resistant materials.

The water producing main pipe is connected with the water outlet branch pipe, and an automatic water producing main valve is arranged on the water producing main pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a modular N group filter unit composite mode, N are for calculating the filter core quantity that needs to be equipped with according to the inflow and the filtration rate, the exerting oneself when having guaranteed equipment operation and backwash. The automatic backwashing of the filtering units can be synchronously realized when the filter produces water, the continuous operation of equipment is ensured, the internal source backwashing purification of the modularized filtering units can be periodically and automatically realized, and the defect that the traditional security filter cannot be continuously put into production and use when the filtering speed is reduced or the differential pressure is too high is solved. The filtering units of the utility model adopt the modular design, and each group of filtering units operates independently; the end part of each group of the filtering unit shell is provided with a movable joint which is matched with the filter element and facilitates the disassembly of the filter element, so that the filter element is convenient to replace, and the matching performance is good. The utility model discloses the filter core adopts corrosion-resistant material, and intensity satisfies the requirement of backwashing for a long time, high frequency, and the filter element precision satisfies the follow-up treatment facility demand, has avoided the possibility that the corrosion products got into the steam system. Finally, the utility model discloses need not the peripheral hardware backwash water pump, can realize automatic backwash under the prerequisite that does not increase supporting backwash equipment, area is little.

[ description of the drawings ]

Fig. 1 is a schematic view of the overall structure of the present invention.

Wherein, 1-a water inlet unit; 2-a modular filtration unit; 3-producing a water mother pipe; 4-control system.

[ detailed description ] embodiments

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Various structural schematics according to the disclosed embodiments of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.

In the context of the present disclosure, when a layer/element is referred to as being "on" another layer/element, it can be directly on the other layer/element or intervening layers/elements may be present. In addition, if a layer/element is "on" another layer/element in one orientation, then that layer/element may be "under" the other layer/element when the orientation is reversed.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1, the endogenous backwashing modular cartridge filter of the invention comprises a water inlet unit 1, a filtering system 2, a water production mother pipe 3 and a control system 4; a filtering system 2 is arranged in parallel between the water inlet unit 1 and the water producing mother pipe 3; the water inlet unit 1 is connected with the filtering system 2 through a water distribution branch pipe, and the filtering system 2 is connected with the water producing main pipe 3 through a water outlet branch pipe. The water inlet unit 1 comprises a water inlet main pipe, a water distribution branch pipe, an automatic water inlet valve, a backwashing water discharge branch pipe and an automatic backwashing water discharge valve. The incoming water respectively enters each water distribution branch pipe after passing through the water inlet main pipe, and each water distribution branch pipe is provided with an automatic water inlet valve; and backwashing water discharge branch pipes are arranged behind the respective water inlet valves, and automatic backwashing water discharge valves are arranged on the backwashing water discharge branch pipes. The filtering system 2 comprises a plurality of groups of modularized filtering units and differential pressure monitoring instruments respectively arranged at two ends of each filtering element. The modular filtering unit comprises a shell and a filter element arranged in the shell, and two ends of the filtering unit are respectively communicated with the water distribution branch pipe and the water outlet branch pipe. The end part of the shell is provided with a movable joint which is matched with the filter element and facilitates the disassembly of the filter element. The filter core adopts corrosion-resistant material, and intensity satisfies the requirement of long-time, high frequency time backwash, and the filter core precision satisfies follow-up treatment facility demand. The water producing mother pipe 3 is connected with the water outlet branch pipe, and an automatic water producing main valve is arranged on the water producing mother pipe. The control system 4 can acquire the running time and the pressure difference between two ends of the modularized filtering unit, and can realize automatic internal source backwashing purification of the filtering unit.

The principle of the utility model is as follows:

the utility model discloses set up N group modularization filter unit (N is for calculating the filter unit quantity that needs to be equipped with according to the volume of intaking water and filtration rate). The filter core adopts corrosion-resistant material, and intensity satisfies the requirement of long-time, high frequency time backwash, and the filter core precision satisfies follow-up treatment facility demand, and the tip of filter unit shell is provided with the supporting movable joint of filter core, makes things convenient for the filter core to dismantle. The incoming water automatically enters the cartridge filter through the water inlet unit, passes through the water distribution branch pipes and then enters the modular filtering unit, and filtered produced water is collected to the water production main pipe through each water outlet branch pipe. When the equipment normally operates, the N groups of modular filtering units normally filter the automatically produced water; when the control system monitors that the equipment pressure difference is too large or according to a timing backwashing program set by the control system, the equipment automatically carries out endogenous backwashing, and sequentially carries out single-group backwashing on N groups of filtering units: and closing the automatic water inlet valve of the group of filtering units, opening the corresponding automatic backwashing water discharge valve, and automatically feeding the filter produced water into the group of filtering units for backwashing under the action of pressure difference so as to realize automatic online internal backwashing purification of the filter elements.

The utility model discloses a working process:

when the equipment is put into operation, the water inlet unit 1, the filtering system 2 and the water producing mother pipe 3 are automatically started by the control system 4. And opening automatic water inlet valves of each group of filtering units in the filtering system 2 and automatic water production main valves on the water outlet main pipes, and closing automatic backwashing drain valves of all the filtering units. The water enters from the water inlet main pipe, is uniformly distributed by the water distribution branch pipes and then enters the filtering unit for filtering, and the water outlet is collected by the water outlet branch pipe and then is discharged from the water outlet main pipe. When the equipment is in operation, when the differential pressure at the two ends of the filtering units is overhigh, the automatic water inlet valves of the first group of filtering units which are put into operation are closed, the automatic backwashing water discharge valves of the first group of filtering units are opened, the first group of filtering units are automatically backwashed and purified, the second group of filtering units are backwashed after the backwashing of the first group of filtering units is completed, the backwashing is sequentially carried out until the backwashing of the Nth group of filtering units is completed, and the normal differential pressure of the security filter is recovered. The backwashing time of each group of filtering units can be set according to the actual situation. The modularized security filter for endogenous backwashing ensures the normal output of the equipment, does not need an external backwashing water source, does not need to integrally quit operation during backwashing, and realizes the endogenous backwashing of the equipment and the continuous operation of the system.

The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.

Claims (7)

1. The modular cartridge filter for internal source backwashing is characterized by comprising a water inlet unit (1), a filtering system (2), a water producing main pipe (3) and a control system (4) for collecting running time and differential pressure at two ends of the modular filtering unit; a plurality of groups of filtering systems (2) are arranged in parallel between the water inlet unit (1) and the water producing main pipe (3); the water inlet unit (1) is connected with the filtering system (2) through a water distribution branch pipe, and the filtering system (2) is connected with the water producing main pipe (3) through a water outlet branch pipe.

2. The endogenous backwashed modular cartridge filter of claim 1, wherein the water inlet unit (1) comprises a water inlet main pipe, a water distribution branch pipe, an automatic water inlet valve, a backwash water discharge branch pipe and an automatic backwash water discharge valve; the incoming water respectively enters each water distribution branch pipe after passing through the water inlet main pipe, and each water distribution branch pipe is provided with an automatic water inlet valve; and backwashing water discharge branch pipes are arranged behind the respective water inlet valves, and automatic backwashing water discharge valves are arranged on the backwashing water discharge branch pipes.

3. An internally backwashed modular cartridge filter as claimed in claim 1, wherein the filter system (2) comprises a plurality of groups of modular filter units and differential pressure monitoring instruments respectively disposed across each modular filter unit.

4. The modular cartridge filter for internal backwashing according to claim 3, wherein the modular filter unit comprises a housing and a filter element installed in the housing, and both ends of the modular filter unit are respectively communicated with the water distribution branch pipe and the water outlet branch pipe.

5. The modular endogenous backflush cartridge filter of claim 4, wherein the ends of the housing are provided with movable connectors that mate with and facilitate removal of the filter cartridge.

6. An internally backwashed modular cartridge filter as claimed in claim 4 or 5, wherein the filter element is made of a corrosion resistant material.

7. The modular endogenous backflush cartridge filter of claim 1, wherein the water production main is connected with the water outlet branch pipe, and an automatic water production main valve is arranged on the water production main.

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