CN211753964U

CN211753964U - Filter equipment and filtration system

Info

Publication number: CN211753964U
Application number: CN201922172008.7U
Authority: CN
Inventors: 林孝发; 林孝山; 谢添明; 汪仁虎; 王运灿
Original assignee: Jomoo Kitchen and Bath Co Ltd
Current assignee: Jomoo Kitchen and Bath Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-10-27
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a filter equipment and filtration system, including shell and rigid coupling filter core in the shell, the top of shell is equipped with raw water inlet, pure water delivery port and dense water delivery port, the filter core includes the center tube with pure water delivery port intercommunication, the raw water is collected to the one end of filter core, other end discharge dense water, still includes the check valve in addition, and it is installed between filter core dense water outlet end and dense water delivery port to one-way conduction is in dense water delivery port. Adopt the filter equipment of above-mentioned structure, through setting up the check valve, make thick water outflow after unable backward flow, avoid when filter equipment shuts down because the membrane that the thick water backward flow caused water ion concentration is located all the time with a higher level's problem to reduce the TDS value in the first cup of aquatic.

Description

Filter equipment and filtration system

Technical Field

The utility model relates to a filter core technical field, concretely relates to filter equipment and filtration system.

Background

The main component of the reverse osmosis water purification device is a reverse osmosis membrane filter element which generally has three water channel inlets and outlets: the water inlet, the pure water delivery port and the dense water delivery port, its structure generally includes core, filter core shell and center tube, and the core forms around the center tube winding, and the filter core shell sets up at the core lateral wall, makes the raw water can only get into from filter core one end, and the dense water can only flow from the filter core other end, and the center tube wall is equipped with a plurality of water holes of crossing simultaneously for receive the pure water. Through pressurizing water inlet one side, make municipal administration running water get into in the filter core through the water inlet, filter the running water through reverse osmosis membrane again to discharge the pure water that obtains filtering to storage water tank or tap through the pure water delivery port, various heavy metal ions, impurity and harmful substance that can't pierce through reverse osmosis membrane etc. gather in dense water side, and discharge through dense water delivery port.

When reverse osmosis water purification device stopped the machine, the booster pump stop work of setting in the side of intaking, this moment, the thick water side at the reverse osmosis filter core leaves the partial thick water that has not discharged, partial pure water also has been retained to the pure water side simultaneously, under the effect of osmotic pressure that causes by aquatic ion concentration difference, the salt ion of thick water side can permeate to the pure water side, in the in-process of taking place the infiltration, the thick water among the drainage pipe with thick water side intercommunication can flow back to among the filter core, further aggravate the infiltration of salt ion, after shutting down for a long time, the ion concentration that the pure water was surveyed can rise to higher state, thereby lead to pure water TDS (Total dissolved solids) value higher, finally lead to the TDS value of the first cup of water that flows out by the tap after the start-up again too high, be unfavorable for drinking by the human body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect or the problem that exist among the background art, provide a filter equipment and filtration system, it can prevent dense water backward flow, reduces the TDS value of shutting down the back pure water side, solves the too high problem of the first cup of water TDS value of reverse osmosis purifier.

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

the utility model provides a filter equipment, includes shell and the filter core of rigid coupling in the shell, the top of shell is equipped with raw water inlet, pure water delivery port and dense water delivery port, the filter core includes the center tube with pure water delivery port intercommunication, the one end of filter core supplies the raw water to get into, and the other end supplies dense water to discharge, still includes the check valve, and it is installed between filter core dense water outlet end and dense water delivery port to one-way conduction is in dense water delivery port.

Furthermore, raw water enters the bottom end of the filter element, and concentrated water is discharged from the top end of the filter element; the gap between the shell and the filter element forms a raw water inlet channel communicated with the raw water inlet.

Furthermore, raw water enters from the top end of the filter element, and concentrated water is discharged from the bottom end of the filter element; and a gap between the shell and the filter element forms a concentrated water outlet channel communicated with the concentrated water outlet.

Further, still include the sealing member, its rigid coupling in the filter core top and cladding filter core top end face, the check valve install in the sealing member.

Furthermore, the sealing element comprises an annular first wrapping plate, the first wrapping plate downwards forms a first connecting part along the vertical direction, and the first connecting part is fixedly connected with the outer side wall of the filter element along the circumferential direction; the first cladding plate upwards forms a second connecting part along the vertical direction, and the second connecting part is matched with the outer wall of the top end of the central pipe to form the concentrated water outlet; the check valve is arranged on the first cladding plate.

Furthermore, the filter element device also comprises a sealing element which is fixedly connected with the bottom of the filter element and covers the end surface of the bottom of the filter element, and the one-way valve is arranged on the sealing element.

Furthermore, the sealing element comprises a second cladding plate, the second cladding plate upwards forms a third connecting part along the vertical direction, and the third connecting part is fixedly connected with the outer side wall of the filter element along the circumferential direction; the check valve is arranged on the second cladding plate.

Further, the water inlet end cover is further included; the water inlet end cover is fixedly connected to the top of the filter element so as to isolate a raw water inlet end and a concentrated water outlet path of the filter element; the water inlet end cover is provided with a water through hole which is communicated with the raw water inlet and the top end of the filter element.

Furthermore, the present invention also provides a filtration system comprising a filtration device as described in any of the above;

in addition, the method further comprises the following steps:

the raw water inlet pipeline is communicated with the raw water inlet and is provided with an electromagnetic valve and a pressure pump;

one end of the pure water outlet pipeline is communicated with the pure water outlet, and the other end of the pure water outlet pipeline is communicated with a water outlet faucet;

and the concentrated water outlet pipeline is communicated with the concentrated water outlet and is provided with a flushing valve.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. set up the check valve, make can't backward flow again after the dense water flows, avoid when filter equipment shuts down because the membrane that the dense water backward flow caused water ion concentration is located all the time with a higher level's problem to reduce the TDS value in the first cup aquatic.

2. The filter core bottom is intake, the top goes out water, and the raw water volume is more in filter equipment, and some raw water can get into among the filter core and wash it when filter equipment stops to the machine moment.

3. The filter core top is intake, the bottom goes out water, because the existence of check valve makes dense water unable backward flow, and the infiltration phenomenon only goes on in the aquatic of filter core retention, and the water yield is less, and the infiltration process is slower.

4. The sealing element is used for sealing the water outlet end face of the filter element to isolate the water outlet end face from external raw water or concentrated water, so that the concentrated water from the filter element can only flow to the outside through the one-way valve on the sealing element.

5. The cladding plate and the connecting portion cooperation of sealing member realize the closing cap to filter core play water terminal surface, and the check valve is installed on the cladding plate.

6. The water inlet end cover is used for sealing the water inlet end face of the filter element, and raw water and concentrated water are prevented from being mixed.

7. The filter system is internally provided with an electromagnetic valve for controlling the on-off of a raw water inlet pipeline, the pressure pump is used for applying pressure to raw water to enable the raw water to enter the filter element for filtering, the water outlet tap is used for controlling the opening and closing of a pure water outlet pipeline and water outlet, and the flushing valve is used for adjusting the water flow of a concentrated water outlet pipeline.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment 1 of a filtering apparatus provided by the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment 2 of a filtering apparatus provided by the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

fig. 5 is an enlarged view of a portion C of fig. 3.

Description of the main reference numerals:

10. a housing; 11. a raw water inlet; 12. a concentrated water outlet; 13. a pure water outlet; 21. a filter material; 22. a central tube; 23. a filter element housing; 31. a first seal member; 311. a first connection portion; 312. a second connecting portion; 313. a first clad sheet; 32. a second seal member; 321. a third connecting portion; 322. a second sheathing panel; 33. a water inlet end cover; 331. a fourth connecting portion; 332. a fifth connecting part; 333. a third cladding sheet; 334. water passing holes; 34. a one-way valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of embodiment 1 of a filtering apparatus provided by the present invention, which includes a housing 10, a filter element, a first sealing member 31, and a one-way valve 34.

The housing 10 includes a casing and a cover, the cover is a bottom portion of the housing 10, the casing is the other portion of the housing 10 except the cover, the casing is used for accommodating the filter element and the first sealing member 31, and the cover is used for being fixedly connected with the casing to form the complete housing 10. After the filter element and the first sealing member 31 are assembled into the housing, the cover is fixedly connected to the lower end of the housing by welding, screwing, or the like. The entire housing 10 may have a cylindrical shape, or may have another long cylindrical structure such as a prismatic shape.

The filter core includes filtering material 21, center tube 22 and filter core shell 23, and wherein filtering material 21 can be reverse osmosis membrane and water-proof net, screen cloth etc. cooperation use center tube 22 to form as the centre of a circle jointly convoluteing, sets up filter core shell 23 at filtering material 21's lateral wall, makes the filter core only have the top and the bottom exposes filtering material. The filter material 21 may be a material capable of filtering metal ions in water, such as a nanofiltration membrane.

The central tube 22 is arranged in the center of the filter material 21, the tube wall of the central tube is provided with a plurality of through holes, and the pure water formed after the inlet water passes through the filter material 21 enters the central tube 22 through the through holes. The upper end of the central tube 22 forms a pure water outlet 13.

A gap between the housing 10 and the filter element forms a raw water inlet path.

The first sealing member 31 is fixed to the top of the filter element and covers the end surface of the top of the filter element, and the check valve 34 is installed on the first sealing member 31, as shown in fig. 2. Specifically, the filter element has a ring-shaped first cover plate 313, and the shape of the first cover plate 313 is consistent with the cross section of the filter element, and the first cover plate can be a circular ring or a square frame structure, wherein a hole is formed in the middle part of the first cover plate for the central tube 22 to pass through. The outer edge of the first cover plate 313 extends downwards along the vertical direction to form a first connecting part 311, the first connecting part 311 is fixedly connected with the filter element shell 23 along the circumferential direction, so that the first sealing element 31 is fixed on the top of the filter element, and meanwhile, the joint of the first cover plate 313 and the central tube 22 is in sealing fit, so that the first sealing element 31 covers the end surface of the top of the filter element. A second connection portion 312 is further formed on the upper surface of the first wrapping plate 313 and extends upward along the vertical direction, and the second connection portion 312 has two side walls, the side wall facing the central tube 22 is matched with the central tube 22 to form a concentrated water outlet 12, and the side wall facing the housing 10 is matched with the housing 10 to form a raw water inlet 11.

A check valve 34 is mounted on the first wrapper plate 313 and allows concentrate to flow from the top of the cartridge to the concentrate outlet, preventing concentrate from flowing back from the concentrate outlet to the top of the cartridge.

During assembly, the first sealing member 31 is fixedly connected to the top of the filter element, the filter element is inserted into the shell, and the cover body is fixedly connected to the shell.

When the filter core is used, raw water enters a gap between the filter core and the shell 10 through the raw water inlet 11, is guided to the bottom end face of the filter core, enters the filter core from the bottom end of the filter core to be filtered, and concentrated water is discharged from the top end of the filter core and enters the concentrated water outlet 12 after passing through the one-way valve 34.

The utility model provides another embodiment still, as shown in fig. 3, it shows the utility model provides a filter equipment's embodiment 2's schematic structure diagram, it includes shell 10, filter core, second sealing member 32, water inlet end cover 33 and check valve 34.

The structure of the housing 10 and the filter element is the same as that of embodiment 1, and a gap between the housing 10 and the filter element forms a concentrated water outlet channel.

The second sealing member 32 is fixed to the bottom of the filter element and covers the end face of the bottom of the filter element, and the check valve 34 is installed on the second sealing member 31, as shown in fig. 5. Specifically, it has a second shroud plate 322, the shape of second shroud plate 322 is the same with the cross section of the filter element, and it can be set as ring or flat plate according to whether it is needed to match with central tube 22. The outer edge of the second wrapping plate 322 extends in the upward vertical direction to form a third connecting portion 321, and the second connecting portion 321 is fixedly connected with the filter element shell 23 along the circumferential direction, so that the second sealing member 32 is fixed at the bottom of the filter element.

The structure of the water inlet end cap 33 is shown in fig. 4, and it is fixed on the top of the filter element and covers the end surface of the top of the filter element to isolate the raw water inlet end and the concentrated water outlet channel of the filter element. In particular, it comprises a third annular wrapper plate 333, the shape of the third wrapper plate 333 corresponding to the cross section of the filter cartridge, and a central space for the central tube 22 to pass through is formed in the middle of the third wrapper plate 333. The outer edge of the third wrapping plate 333 extends downwards along the vertical direction to form a fourth connecting part 331, the fourth connecting part 331 is fixedly connected with the filter element shell 23 along the circumferential direction, so that the water inlet end cover 33 is fixed on the top of the filter element, and meanwhile, the joint of the third wrapping plate 333 and the central tube 22 is in sealing fit, so that the third wrapping plate 333 wraps the end face of the top of the filter element. A fifth connecting portion 332 is further formed on the upper surface of the third sheathing plate 333 and extends upward in the vertical direction, and the fifth connecting portion 332 has two side walls, the side wall facing the central tube 22 and the central tube 22 cooperate to form a raw water inlet 11, and the side wall facing the housing 10 and the housing 10 cooperate to form a concentrated water outlet 12.

The third covering plate 333 is provided with a water through hole 334, and raw water entering from the raw water inlet 11 passes through the water through hole 334 and then enters the filter element through the top end surface of the filter element.

The check valve 34 is installed on the second wrapping plate 322 of the second sealing member 32, which allows the concentrated water to flow from the bottom end of the filter element to the concentrated water outlet, and prevents the concentrated water from flowing back from the concentrated water outlet to the bottom end of the filter element.

During assembly, the second sealing element 32 and the water inlet end cover 33 are respectively and fixedly connected to the bottom and the top of the filter element, then the filter element is integrally inserted into the shell, and then the cover body is fixedly connected with the shell.

When the water purifier is used, raw water enters the top end of the filter element through the raw water inlet 11 and the water through hole 334, pure water is formed after the filtration of the filter element and is discharged to the central tube 22, and the other part of the pure water is formed and is discharged to the pure water through the one-way valve 34 and then is discharged through the pure water outlet 12.

The utility model provides a filtration system, it has included foretell filter equipment's embodiment 1 or embodiment 2, particularly, this filtration system still includes: a raw water inlet pipeline which is communicated with the raw water inlet 11 and is provided with an electromagnetic valve and a pressure pump; one end of the pure water outlet pipeline is communicated with the pure water outlet 13, and the other end of the pure water outlet pipeline is communicated with a water outlet faucet; and the concentrated water outlet pipeline is communicated with the concentrated water outlet 12 and is provided with a flushing valve. One end of the raw water inlet pipeline is communicated with municipal tap water, the other end of the raw water inlet pipeline is communicated with a raw water inlet 11, an electromagnetic valve and a pressure pump are arranged at the middle position of the raw water inlet pipeline, the electromagnetic valve controls the connection and disconnection of the raw water inlet pipeline, and the pressure pump applies pressure to the raw water to enable the raw water to enter the filter element under larger pressure; one end of the pure water outlet pipeline is communicated with the pure water outlet 13, the other end of the pure water outlet pipeline is communicated with a water outlet faucet, and the opening and closing of the pure water outlet pipeline can be controlled by controlling the water outlet faucet; one end of the concentrated water outlet pipeline is communicated with the concentrated water outlet 12, the other end of the concentrated water outlet pipeline is communicated with the concentrated water tank or directly discharged to a sewer pipeline, and the flushing valve is used for adjusting the water flow of the concentrated water outlet pipeline.

The utility model provides a pair of filter equipment and filtration system through setting up check valve 34, makes unable backward flow after the dense water flows out, avoids locating the problem with a higher level all the time at the membrane front water ion concentration that filter equipment shut down because the dense water backward flow caused to reduce the TDS value in the first cup of aquatic.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims

1. The utility model provides a filter equipment, includes shell and the filter core of rigid coupling in the shell, the top of shell is equipped with raw water inlet, pure water delivery port and dense water delivery port, the filter core includes the center tube with pure water delivery port intercommunication, the one end of filter core supplies the raw water to get into, and the other end supplies the dense water discharge, its characterized in that still includes the check valve, and it is installed between filter core dense water outlet end and dense water delivery port to one-way conduction is in dense water delivery port.

2. The filter apparatus as claimed in claim 1, wherein the filter element has a bottom end for raw water to enter and a top end for concentrated water to exit; the gap between the shell and the filter element forms a raw water inlet channel communicated with the raw water inlet.

3. The filter apparatus as claimed in claim 1, wherein the filter element has a top end for raw water to enter and a bottom end for concentrated water to exit; and a gap between the shell and the filter element forms a concentrated water outlet channel communicated with the concentrated water outlet.

4. The filter apparatus of claim 2, further comprising a sealing member secured to the top of the filter element and covering the top end surface of the filter element, wherein the one-way valve is disposed in the sealing member.

5. The filter apparatus of claim 4, wherein the sealing member comprises a first annular shroud plate, the first shroud plate defining a first connection downwardly in a vertical direction, the first connection being circumferentially secured to the outer sidewall of the cartridge; the first cladding plate upwards forms a second connecting part along the vertical direction, and the second connecting part is matched with the outer wall of the top end of the central pipe to form the concentrated water outlet; the check valve is arranged on the first cladding plate.

6. The filter apparatus of claim 3, further comprising a sealing member fixedly attached to the bottom of the filter element and covering the bottom end surface of the filter element, wherein the one-way valve is disposed on the sealing member.

7. The filter apparatus of claim 6, wherein the sealing member comprises a second cover plate, the second cover plate forming a third connecting portion extending upwardly in the vertical direction, the third connecting portion being circumferentially secured to the outer sidewall of the filter cartridge; the check valve is arranged on the second cladding plate.

8. The filter apparatus of claim 7, further comprising a water inlet end cap; the water inlet end cover is fixedly connected to the top of the filter element so as to isolate a raw water inlet end and a concentrated water outlet path of the filter element; the water inlet end cover is provided with a water through hole which is communicated with the raw water inlet and the top end of the filter element.

9. A filtration system comprising a filtration device according to any one of claims 1 to 8;

in addition, the method further comprises the following steps: