CN217119541U - Backwashing device of multi-filter-element filter - Google Patents

Backwashing device of multi-filter-element filter Download PDF

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Publication number
CN217119541U
CN217119541U CN202220793132.4U CN202220793132U CN217119541U CN 217119541 U CN217119541 U CN 217119541U CN 202220793132 U CN202220793132 U CN 202220793132U CN 217119541 U CN217119541 U CN 217119541U
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China
Prior art keywords
sewage discharge
filter
water inlet
discharge pipe
pipe
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CN202220793132.4U
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Chinese (zh)
Inventor
蒋浩
彭卫星
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Changsha Dawning Environmental Prot Technology Co ltd
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Changsha Dawning Environmental Prot Technology Co ltd
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Abstract

The utility model discloses a back washing unit of multi-filter element filter, it includes: the sewage treatment device comprises a water inlet barrel, a water outlet barrel and a sewage discharge pipe, wherein a plurality of filter elements are arranged in the water outlet barrel, the water inlet barrel is communicated with the water outlet barrel through a filter element, the sewage discharge pipe in the water inlet barrel is connected with a power mechanism, the power mechanism drives the sewage discharge pipe to rotate to the filter element and is communicated with the filter elements, a sewage discharge nozzle is connected to the upper end of the sewage discharge pipe in a sliding mode, an elastic piece is arranged between the sewage discharge nozzle and the sewage discharge pipe, and a sewage discharge port communicated with the sewage discharge pipe is formed in the bottom of the water inlet barrel. Compared with the prior art, the utility model discloses a set up blowdown mouth and elastic component, make between blowdown mouth and the filter core be elastic contact, eliminated the space between blowdown mouth and filter core forcefully, guaranteed filter core cleaning performance.

Description

Backwashing device of multi-filter-element filter
Technical Field
The utility model belongs to the technical field of the multiple filter element washes technique and specifically relates to a back washing unit of multiple filter element filter is related to.
Background
Many processes now require the filtration of liquid materials to remove impurities or other contaminants. Filtration is often accomplished by passing the liquid through a filter material; the filter material separates the contaminants and causes them to collect on (or in) the filter material. Over time, as contaminants are removed, they accumulate on the filter material and eventually restrict the flow of liquid through the filter material. When this occurs, the filter material needs to be replaced or cleaned. Patent publication CN104918676B discloses a liquid filtration device wherein a filter (10) comprises a liquid storage container (12) having an inlet (14) and an outlet (16). A removable filter cartridge (24) may be located inside the vessel. The filter cartridge includes a plurality of cartridge assemblies (82), each cartridge assembly (82) including a plurality of filter elements (86). The filter element is selectively backwashed using a backwash assembly (26), the backwash assembly (26) including a positionable backwash conduit arm (28), the backwash conduit arm (28) rotating in response to a backwash arm shaft (36) extending in a shaft support (46) of the filter cartridge. In long-term use, the gap between the backwash conduit arm and the first body may become larger and larger due to mechanical friction, and secondly, there may be a corrosion situation of the backwash conduit arm or the first body in the liquid material, which also increases the gap between the backwash conduit arm and the first body. The increase of the gap can cause water to enter the back washing pipeline arm, thereby affecting the cleaning of the filter element.
SUMMERY OF THE UTILITY MODEL
The utility model provides a back washing unit of multi-filter element filter, which is in elastic contact between a sewage discharge nozzle and a filter element, effectively eliminates the space between the sewage discharge nozzle and the filter element, and ensures the cleaning effect of the filter element.
The utility model provides a back washing unit of multi-filter element filter, include: the water inlet barrel, the water outlet barrel and the sewage discharge pipe are arranged in the water outlet barrel, the water inlet barrel is communicated with the water outlet barrel through a filter element, the sewage discharge pipe in the water inlet barrel is connected with a power mechanism, the power mechanism drives the sewage discharge pipe to rotate to the filter element and is communicated with the filter element, the upper end of the sewage discharge pipe is slidably connected with a sewage discharge nozzle, an elastic piece is arranged between the sewage discharge nozzle and the sewage discharge pipe, and the bottom of the water inlet barrel is provided with a sewage discharge port communicated with the sewage discharge pipe.
Preferably, the elastic member is a compression spring.
Preferably, the lower end of the sewage draining nozzle extends into the sewage draining pipe, the inner wall of the sewage draining pipe is provided with a step connected with the end part of the compression spring, and the upper end of the sewage draining nozzle is provided with an outer edge connected with the compression spring.
Preferably, the outer edge is arranged in the sewage pipe.
Preferably, the outer diameter of the sewage discharging nozzle is larger than that of the filter element.
Preferably, the power mechanism comprises a speed reduction motor and a power shaft, the speed reduction motor is arranged at the top end of the water outlet cylinder, the power shaft penetrates through the water outlet cylinder and extends into the water inlet cylinder to be fixedly connected with the sewage discharge pipe, a drain hole communicated with the sewage discharge pipe is formed in the lower end of the power shaft, and the power shaft is rotatably arranged in the water inlet cylinder.
Preferably, a connecting pipe is arranged in the water inlet cylinder, the power shaft is rotatably connected with the connecting pipe, the drain pipe is communicated with the connecting pipe through the power shaft, and the lower end of the connecting pipe is communicated with the drain outlet.
Preferably, a connecting sleeve is fixed on the outer surface of the connecting pipe, and the power shaft extends into the connecting sleeve and is rotatably connected with the connecting sleeve through a bearing.
Preferably, an isolation plate is arranged between the water inlet cylinder and the water outlet cylinder, the power shaft is rotatably connected with the isolation plate, and a sealing ring is arranged between the isolation plate and the power shaft.
Preferably, the sewage draining nozzle is made of a plastic material.
Compared with the prior art, the utility model discloses a set up blowdown mouth and elastic component, make between blowdown mouth and the filter core be elastic contact, eliminated the space between blowdown mouth and filter core forcefully, guaranteed filter core cleaning performance.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the sewage discharging nozzle of the present invention.
Reference numerals are as follows:
1. the sewage treatment device comprises a water inlet cylinder, a water outlet cylinder, a 3-sewage discharge pipe, a 4-filter element, a 5-power mechanism, a 6-sewage discharge nozzle, a 7-compression spring, a 8-sewage discharge outlet, a 9-connecting pipe, a 31-step, a 61-outer edge, a 51-speed reduction motor, a 52-power shaft, a 100-connecting sleeve, a 200-bearing and a 300-isolation plate.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.
Referring to fig. 1, the present embodiment provides a multiple cartridge filter backwash assembly, comprising: the utility model provides a sewage treatment device, including water inlet barrel 1, water outlet barrel 2 and blow off pipe 3, be equipped with a plurality of filter cores 4 in the water outlet barrel 2, water inlet barrel 1 is linked together through filter core 4 and water outlet barrel 2, blow off pipe 3 that is located water inlet barrel 1 is connected with power unit 5, power unit 5 drive blow off pipe 3 is rotatory to filter core 4 department and filter core 4 intercommunication, the upper end sliding connection of blow off pipe 3 has pollution discharge nozzle 6, be equipped with the elastic component between pollution discharge nozzle 6 and the blow off pipe 3, water inlet barrel 1's bottom is provided with drain 8 that is linked together with blow off pipe 3. The sewage discharging nozzle 6 is in elastic contact with the filter element 4, so that a gap between the sewage discharging nozzle 6 and the filter element 4 can be effectively eliminated, and the water in the water inlet cylinder body 1 is prevented from entering the sewage discharging nozzle 6 to affect the cleaning of the filter element 4.
In particular, the elastic member is a compression spring 7.
Referring to the attached figure 2, the lower end of the sewage discharging nozzle 6 extends into the sewage discharging pipe 3, the inner wall of the sewage discharging pipe 3 is provided with a step 31 connected with the end part of the compression spring 7, and the upper end of the sewage discharging nozzle 6 is provided with an outer edge 61 connected with the compression spring 7.
Specifically, the outer edge 61 is provided in the drain pipe 3.
The outer diameter of the sewage nozzle 6 is larger than that of the filter element 4, and the arrangement ensures that the sealing performance between the sewage nozzle 6 and the filter element 4 is better.
The power mechanism 5 comprises a speed reducing motor 51 and a power shaft 52, the speed reducing motor 51 is arranged at the top end of the water outlet cylinder body 2, the power shaft 52 penetrates through the water outlet cylinder body 2 and extends into the water inlet cylinder body 1 to be fixedly connected with the sewage discharge pipe 3, a drain hole communicated with the sewage discharge pipe 3 is formed in the lower end of the power shaft 52, and the power shaft 52 is rotatably arranged in the water inlet cylinder body 1. The arrangement of the speed reducing motor 51 above the water outlet cylinder 2 can simplify the sewage discharge structure in the water inlet cylinder 1.
The connecting pipe 9 is arranged in the water inlet cylinder 1, the power shaft 52 is rotatably connected with the connecting pipe 9, the sewage discharge pipe 3 is communicated with the connecting pipe 9 through the power shaft 52, the lower end of the connecting pipe 9 is communicated with the sewage discharge port 8, and the length of the power shaft 52 can be reduced through the arrangement. Specifically, the connecting pipe 9 is a straight pipe, the connecting pipe 9 and the power shaft 52 are arranged along the same straight line, and sewage can directly fall into the connecting pipe 9 from the power shaft 52 and is discharged along the sewage outlet 8.
The outer surface of the connecting pipe 9 is fixed with a connecting sleeve 100, and the power shaft 52 extends into the connecting sleeve 100 and is rotatably connected with the connecting sleeve 100 through a bearing 200.
A separation plate 300 is arranged between the water inlet cylinder body 1 and the water outlet cylinder body 2, the power shaft 52 is rotatably connected with the separation plate 300, a sealing ring is arranged between the separation plate 300 and the power shaft 52, and the filter element 4 penetrates through the separation plate 300 and is communicated with the water inlet cylinder body 1.
The sewage discharging nozzle 6 is made of plastic materials, and the sewage discharging nozzle 6 made of the plastic materials is not easy to corrode.
The water inlet cylinder body 1 is provided with a water inlet, the water outlet cylinder body 2 is provided with a water outlet, water to be filtered enters the water inlet cylinder body 1 along the water inlet, then enters the water outlet cylinder body 2 after being filtered by the filter element 4, and finally is discharged from the water outlet. When the filter element 4 needs to be cleaned after working for a period of time, the sewage discharge pipe 3 is rotated to align the sewage discharge nozzle 6 with the filter element 4, and because the pressure in the water outlet cylinder 2 is greater than the pressure in the sewage discharge pipe 3, the water in the water outlet cylinder 2 enters the filter element 4 and then is discharged into the sewage discharge pipe 3, and the filter element 4 is cleaned in the process.
The utility model discloses in, through setting up blowdown mouth 6 and elastic component, make and to have eliminated the space between blowdown mouth 6 and filter core 4 forcefully for elastic contact between blowdown mouth 6 and the filter core 4, guaranteed 4 cleaning performance of filter core. Secondly, the speed reducing motor 51 is arranged above the water outlet cylinder 2, so that the sewage discharging structure in the water inlet cylinder 1 is simpler.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A multiple cartridge filter backwash assembly comprising: the water inlet barrel, the water outlet barrel and the sewage discharge pipe are arranged in the water outlet barrel, the water inlet barrel is communicated with the water outlet barrel through a filter element, the sewage discharge pipe in the water inlet barrel is connected with a power mechanism, the power mechanism drives the sewage discharge pipe to rotate to the filter element and is communicated with the filter element, the upper end of the sewage discharge pipe is slidably connected with a sewage discharge nozzle, an elastic piece is arranged between the sewage discharge nozzle and the sewage discharge pipe, and the bottom of the water inlet barrel is provided with a sewage discharge port communicated with the sewage discharge pipe.
2. The multiple cartridge filter backwash assembly of claim 1, wherein the resilient member is a compression spring.
3. The multiple cartridge filter backwash assembly as defined in claim 2 wherein the lower end of the drain fitting extends into the drain pipe, the inner wall of the drain pipe having a step connected to the end of the compression spring, the upper end of the drain fitting having an outer edge connected to the compression spring.
4. The multi-cartridge filter backwash assembly of claim 3, wherein the outer rim is disposed within the blowdown pipe.
5. The multi-cartridge filter backwash assembly of claim 1, wherein the drain nozzle has an outer diameter greater than an outer diameter of the filter cartridge.
6. The backwashing device of the multi-filter-element filter of claim 1, wherein the power mechanism comprises a speed reduction motor and a power shaft, the speed reduction motor is arranged at the top end of the water outlet cylinder, the power shaft penetrates through the water outlet cylinder and extends into the water inlet cylinder to be fixedly connected with the sewage discharge pipe, a drain hole communicated with the sewage discharge pipe is formed in the lower end of the power shaft, and the power shaft is rotatably arranged in the water inlet cylinder.
7. The backwashing device of the multi-filter-element filter of claim 6, wherein a connecting pipe is arranged in the water inlet cylinder, the power shaft is rotatably connected with the connecting pipe, the sewage discharge pipe is communicated with the connecting pipe through the power shaft, and the lower end of the connecting pipe is communicated with the sewage discharge outlet.
8. The multiple cartridge filter backwash assembly as defined in claim 7, wherein the connection pipe has a connection sleeve fixed to an outer surface thereof, and the power shaft extends into the connection sleeve and is rotatably connected to the connection sleeve through a bearing.
9. The multiple cartridge filter backwash device as defined in claim 7, wherein a partition plate is provided between the water inlet cylinder and the water outlet cylinder, the power shaft is rotatably connected to the partition plate, and a seal ring is provided between the partition plate and the power shaft.
10. The multiple cartridge filter backwash assembly as defined in claim 1, wherein the drain nozzle is made of a plastic material.
CN202220793132.4U 2022-04-07 2022-04-07 Backwashing device of multi-filter-element filter Active CN217119541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220793132.4U CN217119541U (en) 2022-04-07 2022-04-07 Backwashing device of multi-filter-element filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220793132.4U CN217119541U (en) 2022-04-07 2022-04-07 Backwashing device of multi-filter-element filter

Publications (1)

Publication Number Publication Date
CN217119541U true CN217119541U (en) 2022-08-05

Family

ID=82647621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220793132.4U Active CN217119541U (en) 2022-04-07 2022-04-07 Backwashing device of multi-filter-element filter

Country Status (1)

Country Link
CN (1) CN217119541U (en)

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