CN209451655U - A flushable ultrafiltration - Google Patents

Abstract

The utility model discloses a can wash ultrafiltration, including filter shell, filter element group spare, an inner chamber has in the filter shell, filter element group spare sets up in the inner chamber, be provided with water inlet, delivery port and drain on the filter shell, the drain communicates with the bottom of inner chamber, the bottom of inner chamber is provided with the baffling board, utilizes the baffling board to change the flow direction of water, makes water fully erode the bottom surface of inner chamber, avoids impurity to amass in the bottom surface of inner chamber, has optimized the washing effect, but also can avoid impurity to amass in the bottom surface of inner chamber and breed the bacterium.

Description

A flushable ultrafiltration

technical field

The utility model relates to a flushable ultrafiltration.

Background technique

The existing ultrafiltration mainly relies on the filter element installed inside to filter and purify water. In order to prolong the service life of the filter element and avoid frequent replacement of the filter element, most ultrafiltration filters have a flushing function. Generally, this kind of flushable ultrafiltration is mainly composed of a filter housing and a filter element arranged in the filter housing. The upper part of the filter housing is provided with a water inlet, and the bottom of the filter housing is provided with a sewage outlet. When flushing is required, open the sewage outlet. , water enters the housing from the water inlet, flushes the filter element from top to bottom, and the sewage after flushing is discharged through the sewage outlet. Limited by the structure of the shell, the sewage after washing the filter element will flow directly to the sewage outlet, so there will be some dead spots for washing, and it is difficult to wash away the impurities accumulated on the bottom of the inner cavity of the shell, which makes the washing effect of the ultrafiltration not ideal.

Utility model content

In order to solve the above problems, the utility model provides an ultrafiltration with good flushing effect.

The technical scheme that the utility model solves its technical problem adopts is:

A flushable ultrafiltration, comprising a filter housing and a filter element assembly, the filter housing has an inner cavity, the filter element assembly is arranged in the inner cavity, and the filter housing is provided with a water inlet, a water outlet and a sewage discharge port The sewage outlet is connected with the bottom of the inner cavity, and the bottom of the inner cavity is provided with a baffle.

The upper end surface of the baffle is provided with a clamping groove suitable for the filter element assembly, and the bottom of the filter element assembly is clamped in the clamping groove.

A rib is provided between the side wall of the inner cavity and the side wall of the filter element assembly.

The filter housing includes a main body of the filter housing and a bottom cover located below the main body of the filter housing. The bottom cover is connected with the main body of the filter housing and encloses the inner cavity. The baffle is arranged on the bottom cover.

There are several baffles, and the several baffles are radially distributed around the center of the bottom of the cavity.

The filter element assembly includes a hollow ultrafiltration membrane wire, a casing with an opening on the side wall, a first sealing head arranged at the upper end of the casing, a second sealing head arranged at the lower end of the casing, the first sealing head and the second sealing The heads are all provided with fixed through holes, one end of the hollow ultrafiltration membrane thread is clamped in the fixed through hole of the first head, and the other end of the hollow ultrafiltration membrane thread is clamped in the fixed through hole of the second head.

The filter element assembly also includes a water diversion cover arranged on the upper part of the sleeve, the water diversion cover, the sleeve and the first head enclose a water diversion chamber, and the water diversion chamber is connected with the hollow ultrafiltration membrane wire and the water inlet at the same time Pass.

The filter element assembly also includes a connecting sleeve adapted to the filter housing, and the lower end of the sleeve is clamped in the connecting sleeve.

The beneficial effects of the utility model are: in the utility model, a baffle plate is arranged at the bottom of the inner cavity, and the flow direction of the water is changed by using the baffle plate, so that the water can fully wash the bottom surface of the inner cavity, and impurities are prevented from accumulating on the bottom surface of the inner cavity , optimize the flushing effect, but also prevent impurities from accumulating on the bottom surface of the inner cavity to breed bacteria.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a sectional view of the utility model;

Figure 3 is an exploded view of the filter housing;

Figure 4 is an exploded view of the cartridge assembly.

Detailed ways

Referring to Figures 1 to 4, the utility model is a flushable ultrafiltration, which includes a filter housing 1 and a filter element assembly 2. The filter housing 1 has an inner cavity 3, and the filter element assembly 2 is arranged in the inner cavity 3. The filter housing 1 is provided with a water inlet 111 , a water outlet 112 and a sewage outlet 121 , the sewage outlet 121 communicates with the bottom of the inner chamber 3 , and a baffle 31 is provided at the bottom of the inner chamber 3 . By setting the baffle plate 31, the flow direction of the water can be changed. When the drain outlet 121 is opened and the filter element assembly 2 is flushed, the water after the filter element assembly 2 is rinsed is fully stirred at the bottom of the inner chamber 3, so as to prevent the water from flowing directly to the drain outlet 121 , so that the water can fully wash the bottom surface of the inner cavity 3, avoid impurities accumulating on the bottom surface of the inner cavity 3, optimize the flushing effect, and also prevent impurities from accumulating on the bottom surface of the inner cavity 3 to breed bacteria.

In this embodiment, the baffles 31 are arranged vertically. The number of baffles 31 is several, and these baffles 31 are radially distributed around the center of the bottom of the inner chamber 3 , which is conducive to fully flushing every corner of the bottom of the inner chamber 3 .

Referring to FIG. 3 , the side walls of the baffles 31 are not connected to each other, which can ensure that the impurities at the bottom of the inner cavity 3 can fully flow to the sewage outlet 121 .

On the upper end surface of the baffle plate 31, there is a card slot 311 that is compatible with the filter element assembly 2. The bottom of the filter element assembly 2 is clamped in the card slot 311, and the filter element assembly 2 is positioned in the inner cavity 3 to avoid the filter element assembly. 2 Move freely.

The baffle plate 31 can also be inclined with the bottom surface of the inner cavity 3 and is not shown in the accompanying drawings, that is, the baffle plate 31 has an angle with the bottom surface of the inner cavity 3 so that the baffle plate 31 faces obliquely upwards, so that the direction of the water flow can be aligned with the direction of the water flow. There is an inclination between the bottom surfaces of the inner cavity 3, so that the impurities accumulated on the bottom surfaces of the inner cavity 3 can be washed away more easily. Further, the baffles 31 can also be distributed on the side wall at the bottom of the inner chamber 3 in a spiral shape, which can not only make the water flow direction have an included angle with the bottom surface of the inner chamber 3, but also form a spiral water flow to further optimize flushing Effect.

In addition, there is a distance between the bottom of the baffle plate 31 and the bottom surface of the inner chamber 3 , which is not shown in the drawings. Due to the large proportion of impurities, when the utility model is flushed, the impurities will generally move to the sewage outlet 121 along the bottom surface of the inner cavity 3. Through the above structure, the baffle plate 31 can prevent the flow of impurities from being hindered, thereby optimizing the flushing effect .

A rib 32 is provided between the side wall of the inner cavity 3 and the side wall of the filter element assembly 2 . In this embodiment, the ribs 32 are fixed on the side wall of the inner cavity 3 , of course, the ribs 32 can also be fixed on the side wall of the filter element assembly 2 in practical application. By setting the ribs 32 , the filter element assembly 2 can be well positioned in the inner chamber 3 , and the contact area between the filter element assembly 2 and the side wall of the inner chamber 3 can be reduced, thereby reducing the frictional resistance when disassembling the filter element assembly 2 .

Referring to FIG. 3 , the filter housing 1 includes a filter housing main body 11 and a bottom cover 12 located below the filter housing main body 11 . The bottom cover 12 is connected with the main body 11 of the filter housing and jointly encloses the aforementioned inner cavity 3 . The bottom cover 12 can be removed to thoroughly clean the bottom cover 12 and the inner cavity 3, and the filter element assembly 2 can also be easily disassembled.

The filter element assembly 2 includes a hollow ultrafiltration membrane wire 21, a sleeve 22 with an opening on the side wall, a first seal 23 arranged at the upper end of the sleeve 22, a second seal 24 arranged at the lower end of the sleeve 22, the first seal Both the head 23 and the second head 24 are provided with fixed through holes, and one end of the hollow ultrafiltration membrane wire 21 is clamped in the fixed through hole of the first seal head 23, and the other end of the hollow ultrafiltration membrane wire 21 is clamped in the In the fixing through hole of the second sealing head 24.

Further, the filter element assembly 2 also includes a water diversion cover 25 arranged on the top of the sleeve 22, the water diversion cover 25, the sleeve 22 and the first head 23 encircle a water diversion chamber 26, and the water diversion chamber 26 is simultaneously connected with the hollow superstructure. The filter membrane wire 21 communicates with the water inlet 111 . Unfiltered water enters the water-splitting cavity 26 through the water inlet 111 , and the water is distributed to each hollow ultrafiltration membrane filament 21 by the water-splitting cavity 26 . In addition, the water separation cavity 26 is defined in the filter element assembly 2 , which can simplify the structure, and no other structures need to be arranged between the inner chamber 3 and the filter element assembly 2 to define the water separation cavity 26 .

The filter element assembly 2 also includes a connecting sleeve 27 compatible with the filter housing 1 , and the lower end of the sleeve 22 is clamped in the connecting sleeve 27 . The connection sleeve 27 can be installed in the filter housing main body 11 , and a sealing ring is provided between the connection sleeve 27 and the filter housing main body 11 . The connecting sleeve 27, the second sealing head 24 and the inner wall of the inner chamber 3 jointly form a sewage chamber 33, the baffle plate 31 is located in the sewage chamber 33, and the bottom opening of the hollow ultrafiltration membrane wire 21 communicates with the sewage chamber. The sewage outlet 121 is also in communication with the sewage cavity 33 .

Through the above-mentioned structure, the filter element assembly 2 can be installed in the inner cavity 3 as a whole or detached from the inner cavity 3, the disassembly and assembly of the filter element assembly 2 is more convenient, and the structure of the filter housing 1 can be simplified to facilitate the installation of the filter housing 1. processing.

During the use of the utility model, the unfiltered water enters the water separation chamber 26 and then enters the hollow ultrafiltration membrane filament 21 , and the purified water passes through the hollow ultrafiltration membrane filament 21 and enters the inner cavity 3 , and then flows out through the water outlet 112 . Impurities that are difficult to filter remain on the inner wall of the hollow ultrafiltration membrane 21 , or fall to the sewage chamber 33 , and impurities with a larger specific gravity are deposited on the bottom of the sewage chamber 33 . When flushing is required, the water outlet 112 is closed, the sewage outlet 121 is opened, and the water enters the water separation chamber 26, and flows to the sewage chamber 33 along the inner chamber 3 of the hollow ultrafiltration membrane filament 21, during which the hollow ultrafiltration membrane filament The inner wall of 21 is washed to remove the impurities attached to it. The water entering the sewage chamber 33 is agitated under the action of the baffle plate 31 to fully wash the inner wall of the sewage chamber 33. After the impurities are stirred up, they follow the sewage and flow out of the sewage outlet 121, thereby achieving the purpose of flushing.

The above-mentioned embodiments are only preferred solutions of the utility model, and the utility model also has other implementation solutions. Those skilled in the art can also make equivalent modifications or replacements without departing from the spirit of the present utility model, and these equivalent modifications or replacements are all included in the scope set by the claims of the present application.

Claims (8)

1. A flushable ultrafiltration, comprising a filter housing (1) and a filter element assembly (2), the filter housing (1) has an inner cavity (3), and the filter element assembly (2) is arranged in the inner cavity In the chamber (3), the filter housing (1) is provided with a water inlet (111), a water outlet (112) and a sewage outlet (121), and the sewage outlet (121) is connected to the bottom of the inner chamber (3) It is characterized in that a baffle (31) is provided at the bottom of the inner chamber (3). 2. A flushable ultrafiltration according to claim 1, characterized in that: the upper end surface of the baffle (31) is provided with a card slot (311) compatible with the filter element assembly (2), the The bottom of the filter element assembly (2) is clamped in the clamping groove (311). 3. A flushable ultrafiltration according to claim 1, characterized in that: a rib (32) is provided between the side wall of the inner cavity (3) and the side wall of the filter element assembly (2). 4. A flushable ultrafiltration according to claim 1, characterized in that: the filter housing (1) comprises a filter housing main body (11) and a bottom cover (12) located below the filter housing main body (11), The bottom cover (12) is connected with the main body of the filter case (11) and encloses the inner cavity (3), and the baffle (31) is arranged on the bottom cover (12). 5. A flushable ultrafiltration according to claim 1, characterized in that: the number of baffles (31) is several, and several baffles (31) are radial around the center of the bottom of the inner cavity (3) distributed. 6. A flushable ultrafiltration according to claim 1, characterized in that: the filter element assembly (2) comprises a hollow ultrafiltration membrane wire (21), a sleeve (22) with an opening on the side wall, a set The first end cap (23) at the upper end of the casing (22), the second end cap (24) arranged at the lower end of the sleeve pipe (22), both on the first end cap (23) and the second end cap (24) A fixed through hole is provided, one end of the hollow ultrafiltration membrane wire (21) is clamped in the fixed through hole of the first head (23), and the other end of the hollow ultrafiltration membrane wire (21) is clamped in the second head (24) in the fixed through hole. 7. A flushable ultrafiltration according to claim 6, characterized in that: the filter element assembly (2) also includes a water diversion cover (25) arranged on the upper part of the casing (22), the water diversion cover (25), sleeve pipe (22) and first end cap (23) encircle a water separation chamber (26), and water separation chamber (26) links to each other with hollow ultrafiltration membrane silk (21) and water inlet (111) simultaneously Pass. 8. A flushable ultrafiltration according to claim 6, characterized in that: the filter element assembly (2) also includes a connecting sleeve (27) compatible with the filter housing (1), and the sleeve The lower end of (22) is clamped in the connecting sleeve (27).