CN214597664U - Bypass filtering device - Google Patents

Abstract

The utility model relates to a bypass filter equipment, including main filtration passageway and the bypass pipe of arranging with main filtration passageway in parallel, be provided with the filter segment that two places had filter screen and extend from top to bottom in the bypass pipe at least, each filter segment is along the radial arrangement of bypass pipe, and the lower extreme of every filter segment all links firmly with the bypass pipe inner wall, the opposite side inner wall interval arrangement of upper end and bypass pipe, the axial interval arrangement of bypass pipe is followed to each filter segment, and the definition fluid flows in from the front side of bypass pipe, and the height of each filter segment reduces by preceding to back in proper order, and the front side of each filter segment all is formed with the region of remaining dirty, and each region below of remaining dirty all corresponds and is provided with the blow off pipe, the utility model discloses effectively improved the filter capacity of bypass pipe, can effectively replace the filter action of main filtration passageway when blowdown clearance is carried out to main filtration passageway, effectively solved the limited, the bypass pipe filter capacity that exists among the prior art, The technical problem that the fluid is difficult to filter clean is solved.

Description

Bypass filtering device

Technical Field

The utility model relates to a bypass filter equipment.

Background

With the acceleration of the industrialized process of China, economy is rapidly developed, the living standard is increasingly improved, but the quality of water for people to live cannot be effectively guaranteed, the common tap water is not clean, silt, solid suspended matters, iron rust and other impurities can be brought, if the impurities are not filtered out, the food and drink sanitation of people can be influenced, even the health of people is harmed, meanwhile, household equipment such as a water heater, an electric kettle and the like can be damaged, and the service life of the household equipment is shortened. At present, a filter screen is arranged in a pipeline or a valve joint to block large-particle impurities in a conventional water supply filtering structure, but a large amount of impurities can be accumulated on the screen surface along with the increase of water supply time, and due to the unidirectional impact of flowing water, the smoothness of water outlet and the quality of water supply are seriously influenced and are very difficult to clean due to the press fit of holes of the filter screen, so that the manual cleaning cost is greatly increased; meanwhile, when sewage is required to be discharged, the service life of the filter screen can be seriously influenced by the sewage passing through the filter screen, and the maintenance and replacement cost is increased.

To the above-mentioned problem, chinese utility model patent document with grant publication number CN210814123U discloses a take bypass pipe second grade filter equipment, and it has increased a bypass pipe and bypass butterfly valve on the basis of main filter tube, and because of depositing more when main filter tube, when needing blowdown clearance, can close main filtration passageway, opens the bypass butterfly valve, utilizes the bypass pipe to realize fluidic filtration, and at this moment, main filter tube can be used for carrying out the blowdown clearance. The bypass pipe only has a simple substitution effect when the main filter pipe discharges and cleans, has a simple internal structure, has limited filtering capacity, and is difficult to meet the requirement of filtering the passing fluid cleanly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bypass filter equipment for solve the bypass pipe filter capacity that exists among the prior art limited, be difficult to with the technical problem of fluid filtration clean.

In order to achieve the above object, the present invention provides a bypass filtering device, which adopts the following technical solutions:

the utility model provides a bypass filter equipment, include main filtration passageway and the bypass pipe of arranging with main filtration passageway parallel, be provided with the fillter section that two places had the filter screen and extended from top to bottom in the bypass pipe at least, each fillter section is arranged along the radial of bypass pipe, and the lower extreme of every fillter section all links firmly with the bypass pipe inner wall, the opposite side inner wall interval arrangement of upper end and bypass pipe, the axial interval arrangement of bypass pipe is followed to each fillter section, the definition fluid flows in from the front side of bypass pipe, the height of each fillter section reduces by preceding to back in proper order, the front side of each fillter section all is formed with stays dirty region, each stays dirty regional below and all corresponds and is provided with the blow off pipe.

The utility model provides a bypass filter equipment's beneficial effect is: when the main filtering channel is suspended for sewage disposal and cleaning, the by-pass pipe is opened, fluid flows in from the front side of the by-pass pipe, and due to the arrangement of the plurality of filtering sections, when the flow rate of the fluid is small, the fluid flows downwards and does not pass through the interval between the upper side of the filtering section and the inner wall of the by-pass pipe, at the moment, the fluid is effectively filtered after sequentially passing through the plurality of filtering sections, and the filtering capacity of the by-pass pipe is effectively improved; when the flow velocity of the fluid is larger, a part of the fluid passes through the filter section, and at the same time, most of the fluid flows through the upper end of the filter section from bottom to top, and then flows through the space between the upper side of the filter section and the inner wall of the by-pass pipe rapidly and smoothly, without causing blockage in the bypass pipe, and in the process that fluid flows over the upper end of the filter section from bottom to top, the impurities therein are precipitated by gravity, thus remaining in the soil-remaining region and being discharged by opening the drain pipe therebelow, so that, can also complete the precipitation treatment of impurities in the fluid on the premise of not influencing the flow rate of the fluid and avoiding blockage, through the setting, the utility model discloses effectively improved the filter capacity of bypass pipe, can effectively replace the filter effect of main filtration passageway when main filtration passageway carries out blowdown clearance, effectively solved the bypass pipe filter capacity that exists among the prior art limited, be difficult to with the clean technical problem of fluid filtration.

Furthermore, the height of each filtering section is reduced from front to back in sequence, and the mesh number of the filtering net of each filtering section is increased from front to back in sequence. When the fluid flow is too big, along with the continuous sediment of impurity in the fluid, the sediment of staying in each area of staying dirty can be less and less, consequently, reduces the fillter section in proper order, can satisfy the fluid fast through can, and the filter capacity of each fillter section strengthens by preceding to back in proper order along with the increase of mesh number, can accomplish the comparatively thorough clearance to impurity in the fluid on last fillter section.

Further, the front end of each filtering section is provided with a filtering expansion section which is bent from back to front. The filter expansion section increases the contact area of the filter section and the fluid and improves the filtering capacity of the filter section.

Furthermore, a confluence sewage discharge channel is communicated with the lower part of each sewage discharge pipe. The collection efficiency is higher in the sewage discharge passage that converges the sediment impurity in each blow off pipe.

Further, the filter sections are uniformly arranged along the axial direction of the bypass pipe.

Drawings

FIG. 1 is a schematic view of a bypass filter arrangement provided by the present invention;

fig. 2 is a schematic view of the inside of the bypass tube of fig. 1.

Reference numbers in the figures: 1. a main filtration channel; 2. a bypass pipe; 3. a filtration section; 4. a fouling area; 5. a blow-off pipe; 6. a filtration expanding section; 7. a converging blow-down passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

the utility model provides a bypass filter equipment's embodiment:

as shown in figures 1 and 2, the bypass filtering device comprises a main filtering channel 1 and a bypass pipe 2 which is connected with the main filtering channel 1 in parallel, at least two filtering sections 3 which are provided with filter screens and extend up and down are arranged in the bypass pipe 2, each filtering section 3 is arranged along the radial direction of the bypass pipe 2, the lower end of each filtering section 3 is fixedly connected with the inner wall of the bypass pipe 2, the upper end of each filtering section is arranged at intervals with the inner wall of the other side of the bypass pipe 2, each filtering section 3 is arranged at intervals along the axial direction of the bypass pipe 2, defined fluid flows in from the front side of the bypass pipe 2, the height of each filtering section 3 is reduced from front to back in sequence, a dirt remaining area 4 is formed at the front side of each filtering section 3, and a drain pipe 5 is correspondingly arranged below each dirt remaining area 4.

When the main filtering channel 1 is suspended for sewage disposal and cleaning, the bypass pipe 2 is opened, fluid flows in from the front side of the bypass pipe 2, and due to the arrangement of the plurality of filtering sections 3, when the fluid flow is small, the fluid flows downwards and does not pass through the interval between the upper side of the filtering section 3 and the inner wall of the bypass pipe 2, at the moment, the fluid is effectively filtered after sequentially passing through the plurality of filtering sections 3, and the filtering capacity of the bypass pipe 2 is effectively improved; when the fluid velocity of flow is great, some fluid is in the time of filter stage 3, most fluid is after 3 upper ends of filter stage are walked from bottom to top, from the interval between 3 upside of filter stage and bypass pipe 2 inner wall smoothly flow through fast, and can not cause the jam in bypass pipe 2, and in-process that fluid is walked through 3 upper ends of filter stage from bottom to top, impurity wherein deposits under the action of gravity, thereby stay and remain dirty region 4 and discharge through the blow off pipe 5 that opens the below, and like this, do not influence the fluid velocity of flow, avoid causing under the prerequisite of jam, also can accomplish the sediment treatment to internal impurity of fluid.

As shown in fig. 2, the height of each filtering section 3 decreases from front to back, and the mesh number of each filtering section 3 increases from front to back. When fluid flow is too big, along with the continuous sediment of impurity in the fluid, the sediment of staying in each area 4 that remains dirty can be less and less, consequently, reduces fillter section 3 in proper order, can satisfy the fluid fast through can, and each fillter section 3's filter capacity strengthens in proper order from front to back along with the increase of mesh number, can accomplish on last fillter section 3 comparatively thorough clearance to internal impurity of fluid. In other embodiments, the heights of the filter segments may be the same, and the mesh number of the filter segments may also be the same.

As shown in fig. 2, the front end of each filter segment 3 is provided with a filter expansion segment 6 which is bent from back to front. The filter expanding section 6 increases the contact area of the filter section 3 and the fluid, and improves the filtering capacity of the filter section 3. In other embodiments, the filter segment may not be provided, that is, the filter segments are all vertical segments.

As shown in fig. 1 and 2, a confluence sewage channel 7 is communicated below each sewage discharge pipe 5. The collection efficiency is higher when the precipitated impurities in each sewage pipe 5 are unified in the confluence sewage channel 7.

Furthermore, in the present embodiment, the filter stages 3 are arranged uniformly in the axial direction of the bypass pipe 2. In other embodiments, the filter stages may be arranged in an irregular manner in the axial direction of the bypass pipe 2.

The utility model provides a bypass filter equipment's theory of operation is: when the main filtering channel 1 is suspended for sewage disposal and cleaning, the bypass pipe 2 is opened, fluid flows in from the front side of the bypass pipe 2, and due to the arrangement of the plurality of filtering sections 3, when the fluid flow is small, the fluid flows downwards and does not pass through the interval between the upper side of the filtering section 3 and the inner wall of the bypass pipe 2, at the moment, the fluid is effectively filtered after sequentially passing through the plurality of filtering sections 3, and the filtering capacity of the bypass pipe 2 is effectively improved; when the fluid velocity is great, a part of fluid is in the time of passing through the filter section 3, most of fluid flows over the upper end of the filter section 3 from bottom to top, then flows through the space between the upper side of the filter section 3 and the inner wall of the bypass pipe 2 rapidly and smoothly, and can not cause blockage in the bypass pipe 2, and in the process of flowing over the upper end of the filter section 3 from bottom to top, the impurities therein precipitate under the action of gravity, thereby remaining in the dirt retention area 4 and discharging through the blow-off pipe 5 which is opened below, thus, under the premise of not influencing the fluid velocity and avoiding causing blockage, the precipitation treatment of the impurities in the fluid can be completed, through the above arrangement, the utility model effectively improves the filtering capacity of the bypass pipe 2, can effectively replace the filtering function of the main filtering channel 1 when the main filtering channel 1 carries out dirt discharge cleaning, and effectively solves the problems that the filtering capacity of the bypass pipe 2 in the prior art is limited, The technical problem that the fluid is difficult to filter clean is solved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (5)

1. A bypass filter device, includes main filtration passageway and the bypass pipe of arranging in parallel with main filtration passageway, its characterized in that: the utility model discloses a sewage treatment device, including bypass pipe, filter section, axial interval arrangement, the bypass pipe is provided with the filter screen and extends about, be provided with two places at least in the bypass pipe and have the filter screen and the radial arrangement of extending, each filter section is arranged along the radial of bypass pipe, and the lower extreme of every filter section all links firmly with the bypass pipe inner wall, the opposite side inner wall interval arrangement of upper end and bypass pipe, each filter section is arranged along the axial interval of bypass pipe, the definition fluid flows in from the front side of bypass pipe, the front side of each filter section all is formed with stays dirty region, each stays dirty regional below and all corresponds and is provided with the blow off pipe.

2. The bypass filter assembly of claim 1, wherein: the height of each filtering section is reduced from front to back in sequence, and the mesh number of the filtering net of each filtering section is increased from front to back in sequence.

3. A bypass filter arrangement according to claim 2 wherein: the front end of each filtering section is provided with a filtering expansion section which is bent from back to front.

4. A bypass filter arrangement according to any one of claims 1 to 3 wherein: the lower part of each sewage discharge pipe is communicated with a confluence sewage discharge channel.

5. A bypass filter arrangement according to any one of claims 1 to 3 wherein: the filter sections are uniformly arranged along the axial direction of the bypass pipe.

Images