CN218924033U - Automatic external disc filter of washing - Google Patents

Abstract

The utility model discloses an automatic cleaning external disc filter, which belongs to the technical field of disc filters, and particularly relates to an automatic cleaning external disc filter, which comprises a tube body, wherein a water inlet and a water outlet are respectively arranged at the left side and the right side of the tube body, a filter cartridge is uniformly arranged on the tube body, an upper connector and a lower connector are respectively connected at the upper end and the lower end of the filter cartridge, a water inlet pipe is arranged between the upper connector and the tube body, a water outlet pipe is arranged between the lower connector and the tube body, an upper maintenance valve and a lower maintenance valve are respectively arranged on the water inlet pipe and the water outlet pipe, the water inlet pipe is communicated with the water inlet, the water outlet pipe is communicated with the water outlet, a back cleaning driving device is arranged at the upper end of the tube body, a sewage suction pipe is arranged on the tube body, an elastic pressing seat is arranged in the filter cartridge, and filter discs which are parallel to each other are uniformly arranged at the lower side of the elastic pressing seat.

Description

Automatic external disc filter of washing

Technical Field

The utility model relates to the technical field of disc filters, in particular to an automatic cleaning external disc filter.

Background

The disc filter has the advantages that the edges with different structures are designed on the two sides of the disc, and the edges are overlapped to form a blocking section, wherein the curved edges mainly play a role in intercepting and storing suspended matters, the disc is not required to be loosened during back flushing by adopting an open design with a slightly larger outer side, and a thorough back flushing effect can be achieved when the water pressure is low; the annular edge determines the filtering precision, forms a water channel, and when raw water enters the middle of the two layers of discs, the raw water flows along the curved edge, but cannot directly enter the discs through careful observation. At this time, the filtering and intercepting effect is that the annular edge, and impurities smaller than the groove size of the annular edge can enter the curve edge communicated with the inside along the annular edge, so that large impurities are intercepted.

Disc filters are often used in industrial production, and when a filter component fails or needs maintenance in the use process of the existing disc filters, the operation of the filter needs to be stopped, so that water supply is affected, and certain use inconvenience is caused.

Disclosure of Invention

The utility model aims to provide an automatic cleaning external disc filter, which aims to solve the problems that in the use process of the existing disc filter in the background technology, when a filter component fails or needs maintenance, the operation of the filter needs to be stopped, so that water supply is affected and certain use is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an external disc filter of self-cleaning, includes the body, body left and right sides is provided with water inlet and delivery port respectively, evenly be provided with the cartridge filter on the body, both ends are connected with connector and lower connector respectively about the cartridge filter, install the inlet tube between upper connector and the body, install the outlet pipe between lower connector and the body, install service valve and lower service valve on inlet tube and the outlet pipe respectively, inlet tube and water inlet intercommunication, outlet pipe and delivery port intercommunication, back-washing drive arrangement is installed to the body upper end, be provided with the blowdown straw on the body, install the elasticity in the cartridge filter and press the seat, the filter disc that is parallel to each other is evenly installed to elasticity press the seat downside, both ends are provided with inlet opening and apopore respectively about the cartridge filter.

Preferably, the number of the filter cartridges is not less than four.

Preferably, the water inlet hole is positioned at the edge of the upper end of the filter cylinder, and the water outlet hole is positioned at the center of the lower end of the filter cylinder.

Preferably, the lower end of the pipe body is connected with a base.

Compared with the prior art, the utility model has the beneficial effects that:

1) The number of the filter cartridges needed to be used is selected according to actual needs, other unused filter cartridges on the pipe body are standby filter units, when the filter cartridges are used normally, an upper maintenance valve and a lower maintenance valve on the standby filter units are closed, when a certain filter cartridge fails or needs to be maintained, the standby filter units are started by opening the upper maintenance valve and the lower maintenance valve on the standby filter units, water supply is continued, and workers overhaul or maintain the corresponding filter cartridges without affecting the normal water supply of the filter;

2) The disc filter of the utility model can continuously supply water, and is suitable for industrial water systems requiring continuous water supply.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a filter cartridge connection structure according to the present utility model;

fig. 3 is a schematic view showing the internal structure of the filter cartridge according to the present utility model.

In the figure: 1 water inlet, 2 water outlet, 3 pipe body, 4 cartridge filter, 5 inlet tube, 6 upper maintenance valve, 7 outlet pipe, 8 lower maintenance valve, 9 back cleaning driving device, 10 blowdown straw, 11 upper connector, 12 lower connector, 13 water inlet hole, 14 water outlet hole, 15 filter disc, 16 elastic pressing seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an external disc filter of self-cleaning, includes body 3, body 3 left and right sides is provided with water inlet 1 and delivery port 2 respectively, evenly be provided with cartridge filter 4 on the body 3, cartridge filter 4 upper and lower both ends are connected with connector 11 and lower connector 12 respectively, install inlet tube 5 between upper connector 11 and the body 3, install outlet pipe 7 between lower connector 12 and the body 3, install on inlet tube 5 and the outlet pipe 7 respectively and overhaul valve 6 and lower overhaul valve 8, inlet tube 5 and water inlet 1 intercommunication, outlet pipe 7 and delivery port 2 intercommunication, back-wash drive arrangement 9 is installed to body 3 upper end, be provided with blowdown straw 10 on the body 3, install elasticity pressure seat 16 in the cartridge filter 4, the filter disc 15 that is parallel to each other is evenly installed to elasticity pressure seat 16 downside, both ends are provided with inlet opening 13 and apopore 14 respectively about cartridge filter 4.

Raw water enters from the water inlet hole 13, is filtered by the filter disc 15, and is discharged from the water outlet hole 14.

Under the drive of the back-washing driving device 9, the sewage suction pipe 10 is communicated with the water inlet hole 13, so that raw water does not enter the inner cavity of the filter element, the outer cavity of the filter element is communicated with the atmosphere through the sewage outlet of the sewage suction pipe 10 to form a negative pressure area, purified water filtered by other filter elements reversely flows into the inner cavity of the filter element from the water outlet hole 14 under the action of negative pressure, the elastic pressing seat 16 is pushed away under the action of back-washing water pressure, the pressed filter discs 15 are loosened, the gap between the filter discs 15 is enlarged, and impurities are discharged from the sewage suction pipe 10 through the water inlet hole 13.

The number of the filter cartridges 4 is not less than four.

The water inlet hole 13 is positioned at the edge of the upper end of the filter cartridge 4, and the water outlet hole 14 is positioned at the center of the lower end of the filter cartridge 4.

The lower end of the pipe body 3 is connected with a base.

Working principle: the number of the filter cartridges 4 to be used is selected according to actual needs, other unused filter cartridges 4 on the pipe body 3 are standby filter units, when the filter cartridges are used normally, the upper overhaul valve 6 and the lower overhaul valve 8 on the standby filter units are closed, when a certain filter cartridge 4 fails or needs to be maintained, the standby filter units are started to continue water supply by opening the upper overhaul valve 6 and the lower overhaul valve 8 on the standby filter units, and workers overhaul or maintain the corresponding filter cartridges 4 without influencing normal water supply of the filter.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. An automatic external disc filter of washing, includes body (3), its characterized in that: the utility model discloses a filter cartridge, including body (3) and filter disc, body (3) left and right sides is provided with water inlet (1) and delivery port (2) respectively, evenly be provided with cartridge filter (4) on body (3), both ends are connected with connector (11) and lower connector (12) respectively about cartridge filter (4), install inlet tube (5) between upper connector (11) and body (3), install outlet pipe (7) down between connector (12) and body (3), install on inlet tube (5) and outlet pipe (7) respectively and overhaul valve (6) and lower maintenance valve (8), inlet tube (5) and water inlet (1) intercommunication, outlet pipe (7) and delivery port (2) intercommunication, back-washing drive arrangement (9) are installed to body (3) upper end, be provided with blowdown straw (10) on body (3), install elasticity pressure seat (16) in cartridge filter (4), filter disc (15) that are parallel to each other are evenly installed to elasticity pressure seat (16) downside, cartridge filter (4) are provided with apopore (14) and both ends respectively.

2. The self-cleaning external disc filter of claim 1, wherein: the number of the filter cartridges (4) is not less than four.

3. The self-cleaning external disc filter of claim 1, wherein: the water inlet hole (13) is positioned at the edge of the upper end of the filter cartridge (4), and the water outlet hole (14) is positioned at the center of the lower end of the filter cartridge (4).

4. The self-cleaning external disc filter of claim 1, wherein: the lower end of the pipe body (3) is connected with a base.

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