CN218901088U - Hydraulic driven automatic back flushing water filter - Google Patents

Abstract

The utility model provides a hydraulically driven automatic backwash water filter, which relates to the technical field of water filters. The hydraulically driven automatic backwash water filter includes a housing, a filter element, a hollow shaft and a jet turbine; multiple partition plates divide the housing into a water inlet chamber, a water outlet chamber and two working chambers. The water inlet and the water outlet; the water inlet chamber and the water outlet chamber are connected, the filter element is fixedly arranged in the water outlet chamber, and the filter element is fixedly connected with the side wall of the water outlet chamber, so that the water flowing into the water inlet passes through the filter element and then flows toward the water outlet ;The hollow rotating shaft is installed in the working chamber, the water inlet chamber and the water outlet chamber, and the jet turbine is arranged in the working chamber, and the jet turbine is connected with the hollow rotating shaft through transmission; the hollow rotating shaft is provided with a plurality of sewage collecting parts, and the sewage collecting parts are connected with the hollow shaft. The shaft hole of the rotating shaft is connected, and the dirt collecting piece is located in the filter piece; the working cavity is provided with a blowdown valve. The technical effect of no motor driving is achieved.

Description

Water powered automatic backwash water filter

technical field

The utility model relates to the technical field of water filters, in particular to a hydraulically driven automatic backwash water filter.

Background technique

Before the pipeline of the water supply system, a primary filter is used for treatment. However, there are still some small impurities in the treated water, such as: small particle suspended matter, snails, etc. When they accumulate to a certain extent in the water supply system and are not removed, it will lead to a reduction in the flow area, eventually leading to blockage, and in severe cases, it will cause accidents of varying degrees; it poses a great threat to safe operation. Therefore, it is necessary to install industrial water filters on pipelines.

The existing industrial automatic backwashing water filters all use motors to drive the sewage head to rotate after being decelerated by gear reducers to realize full-circle backwashing of cylindrical filter screens. The complexity of the structure leads to general reliability, and high-power motors are required. And the power supply, the cost is high and not energy-saving. Moreover, in order to realize the reverse rotation and forward rotation of the sewage head and the opening of the sewage valve, the existing automatic backwash water filter needs to be equipped with multiple relays, and the control logic is complicated, which further reduces the reliability and increases the manufacturing cost.

Therefore, it is an important technical problem to be solved by those skilled in the art to provide a hydraulically driven automatic backwash water filter that does not need to be driven by a motor.

Utility model content

The purpose of the utility model is to provide a hydraulically driven automatic backwash water filter to alleviate the technical problem of motor drive in the prior art.

In the first aspect, the embodiment of the utility model provides a hydraulically driven automatic backwash water filter, including a housing, a filter element, a hollow shaft and a jet turbine;

The casing is provided with a plurality of partition plates, and the plurality of partition plates divide the casing into a water inlet chamber, a water outlet chamber and two working chambers, and the casing is provided with a A water inlet connected to the water chamber and a water outlet connected to the water outlet chamber;

The water inlet chamber communicates with the water outlet chamber, the filter element is fixedly arranged in the water outlet chamber, and the filter element is fixedly connected to the side wall of the water outlet chamber, so that the water inlet can flow into The water flows through the filter element and then flows toward the water outlet;

The hollow rotating shaft is installed in the working chamber, the water inlet chamber and the water outlet chamber, and the jet turbine is arranged in the working chamber, and the jet turbine is connected to the hollow rotating shaft by transmission, and the hollow rotating shaft The shaft hole of the jet turbine communicates with the jet hole of the jet turbine;

The hollow rotating shaft is provided with a plurality of dirt-collecting parts, the dirt-collecting parts communicate with the shaft hole of the hollow rotating shaft, and the dirt-collecting parts are located in the filter part;

The working chamber is provided with a drain valve.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation of the first aspect, wherein the water outlet cavity is provided with a plurality of water inlet holes, and the plurality of water inlet holes are Evenly distributed around the circumference.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation of the first aspect, wherein the above-mentioned filter element adopts a metal cylindrical filter screen, and the two ends of the cylindrical filter screen are respectively connected to the outlet water The two partition plates of the cavity are fixedly connected;

A plurality of the water inlet holes are all covered by the cylindrical filter screen.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the above-mentioned plurality of dirt-collecting members are arranged in a staggered manner along the axial direction of the hollow rotating shaft.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the above-mentioned plurality of dirt-collecting members are evenly distributed along the circumferential direction of the hollow rotating shaft.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the above-mentioned dirt collecting piece includes a dirt collecting head and a connecting pipe, and the dirt collecting head is connected to the dirt collecting head through the connecting pipe. Hollow shaft connection;

The distance between the dirt collecting head and the inner wall of the filter element is less than 10mm.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein, the end of the above-mentioned dirt collecting head away from the connecting pipe is provided with a brush, and the brush and the filter element The inner wall abuts.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation of the first aspect, wherein the above two jet turbines are forward rotation jet turbines and reverse rotation jet turbines;

The forward-rotating jet turbine and the counter-rotating jet turbine are respectively arranged in the two working chambers.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the above-mentioned hollow shaft and the partition plate are rotationally sealed.

In combination with the first aspect, the embodiment of the present utility model provides a possible implementation of the first aspect, wherein one end of the above-mentioned hollow rotating shaft protrudes from the housing, and the hollow rotating shaft protrudes from one end of the housing Set with handwheel.

Beneficial effect:

The utility model provides a hydraulically driven automatic backwash water filter, which comprises a casing, a filter element, a hollow rotating shaft and a jet water turbine; a plurality of partition plates are arranged in the casing, and the plurality of partition plates separate the inside of the casing. It consists of a water inlet chamber, a water outlet chamber and two working chambers. The shell is provided with a water inlet connected to the water inlet chamber and a water outlet connected to the water outlet chamber; the water inlet chamber and the water outlet chamber are connected, and the filter element is fixed in the water outlet chamber. Inside, and the filter element is fixedly connected with the side wall of the water outlet chamber, so that the water flowing into the water inlet flows through the filter element and then flows toward the water outlet; the hollow shaft is installed in the working chamber, the water inlet chamber and the water outlet chamber. Both are provided with a jet turbine, the jet turbine is connected to the hollow rotating shaft, and the shaft hole of the hollow rotating shaft is connected with the water jet hole of the jet turbine; the hollow rotating shaft is provided with a plurality of sewage collecting parts, and the sewage collecting parts are connected with the shaft hole of the hollow rotating shaft. The dirt collecting piece is located in the filter piece; a blowdown valve is arranged on the working chamber.

Specifically, during the filtering process, the water to be filtered enters the water inlet cavity from the water inlet, and then flows into the filter element in the water outlet cavity. The filter element can filter the water to be filtered, and the filtered water flows to the water outlet. When a lot of impurities accumulate in the filter element, it will affect the water flow of the water outlet. At this time, the staff opens the drain valve of a single working chamber. At this time, the water pressure in the working chamber is much lower than that in the water outlet chamber. Therefore, the outlet chamber The water in the water will flow to the jet turbine along the shaft hole of the dirt collecting part and the hollow shaft, and spray out from the jet hole of the jet turbine. When the water is sprayed from the jet hole of the jet turbine, it can drive the jet turbine to rotate, and the rotation of the jet turbine can drive The hollow shaft rotates, and the rotation of the hollow shaft can drive the rotation of the dirt collection part. During the rotation of the dirt collection part, because the water pressure in the working chamber is much lower than the water pressure in the water outlet chamber, the water pressure in the water outlet chamber will carry impurities into the collection The dirty parts are then discharged from the working chamber. With such a setting, the flushing operation of the water filter can be completed without setting up a motor.

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is a schematic structural diagram of a hydraulically driven automatic backwash water filter provided by an embodiment of the present invention.

icon:

100-housing; 101-water inlet; 102-water outlet; 110-partition plate; 120-water inlet chamber; 130-water outlet chamber; 131-water inlet hole; 140-working chamber;

200-filter;

300-hollow shaft;

400-jet turbine; 401-jet hole; 410-forward jet turbine; 420-reverse jet turbine;

500-collecting parts; 510-collecting head; 520-connecting pipe;

600 - Handwheel.

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The utility model will be described in further detail below through specific embodiments in conjunction with the accompanying drawings.

Referring to Fig. 1, the present embodiment provides a hydraulically driven automatic backwash water filter, including a housing 100, a filter element 200, a hollow shaft 300 and a jet turbine 400; the housing 100 is provided with a plurality of partitions plate 110, and a plurality of partition plates 110 divide the housing 100 into a water inlet chamber 120, a water outlet chamber 130 and two working chambers 140, and the housing 100 is provided with a water inlet 101 connected to the water inlet chamber 120 and a The water outlet 102 connected to the water outlet chamber 130; the water inlet chamber 120 communicates with the water outlet chamber 130, the filter element 200 is fixedly arranged in the water outlet chamber 130, and the filter element 200 is fixedly connected with the side wall of the water outlet chamber 130, so that the water inlet 101 flows into The water flows through the filter element 200 to the water outlet 102; the hollow shaft 300 is installed in the working chamber 140, the water inlet chamber 120 and the water outlet chamber 130, and the jet turbine 400 is arranged in the working chamber 140, and the jet turbine 400 and the The rotating shaft 300 is connected by transmission, and the shaft hole of the hollow rotating shaft 300 communicates with the water injection hole 401 of the jet turbine 400; the hollow rotating shaft 300 is provided with a plurality of sewage collecting parts 500, and the sewage collecting parts 500 communicate with the shaft holes of the hollow rotating shaft 300, and the sewage collecting The element 500 is located in the filter element 200; the working chamber 140 is provided with a drain valve 141.

Specifically, during the filtering process, the water to be filtered enters the water inlet cavity 120 from the water inlet 101, and then flows into the filter element in the water outlet cavity 130. The filter element 200 can filter the water to be filtered, and the filtered water Flowing to the water outlet 102, when more impurities are accumulated in the filter element 200, it will affect the water outlet flow of the water outlet 102. At this time, the staff opens the drain valve 141 of the single working chamber 140, and the water pressure in the working chamber 140 is much lower than The water pressure in the water outlet chamber 130, so the water in the water outlet chamber 130 will flow to the jet turbine 400 along the shaft hole of the dirt collecting part 500 and the hollow rotating shaft 300, and will be sprayed from the water jet hole 401 of the jet turbine 400. When the water flows from the jet turbine When the jet hole 401 of 400 sprays out, it can drive the jet turbine 400 to rotate, and the rotation of the jet turbine 400 can drive the hollow shaft 300 to rotate, and the rotation of the hollow shaft 300 can drive the dirt collection part 500 to rotate. The water pressure in 140 is much lower than the water pressure in the water outlet chamber 130. The water pressure in the water outlet chamber 130 will carry impurities into the dirt collection part 500, and then be discharged from the working chamber 140. With this setting, no need to install a motor Finish rinsing the water filter.

Referring to Fig. 1, specifically, the filter member 200 can adopt a metal cylindrical filter screen, and the two ends of the cylindrical filter screen are respectively fixedly connected with the two partition plates 110 forming the water outlet chamber 130; It is covered with a cylindrical filter. Through this setting, the water flowing into the water outlet chamber 130 from the water inlet chamber 120 must pass through the filter element 200 before being discharged from the water outlet 102 .

Wherein, the rotation and sealing between the hollow rotating shaft 300 and the partition plate 110 prevents the water in the water inlet chamber 120 and the water outlet chamber 130 from leaking into the working chamber 140 .

Referring to Fig. 1, wherein, two working chambers 140 are provided with sewage outlets, and a sewage valve 141 is arranged at the sewage outlets, and the hydraulically driven automatic backwashing water filter provided in this embodiment is performing normal filtering of water sources When working, the drain valves 141 of the two working chambers 140 are all in the closed state.

It should be pointed out that the hydraulically driven automatic backwash water filter provided in this embodiment can filter water or clean water.

Among them, the hydraulically driven automatic backwashing water filter provided in this embodiment fully utilizes water source as the driving force, omits high-power motors and reducers, has higher reliability, is more energy-saving, and has lower manufacturing costs.

Referring to Fig. 1, wherein, two jet turbines 400 are forward rotation jet turbines 410 and reverse jet turbines 420; When the device is backwashed, the blowdown valve 141 of one working chamber 140 can be controlled to open, and then the blowdown valve 141 of the other working chamber 140 can be opened alternately. At this time, the forward rotation jet turbine 410 is driven to rotate by the water flow, so that the sewage collecting member 500 performs forward rotation sewage discharge in the water outlet chamber 130. After working for a set time, close the sewage discharge of the working chamber 140 where the forward rotation jet turbine 410 is installed. Valve 141, open the sewage valve 141 of the working chamber 140 where the reverse jet turbine 420 is installed, and the reverse jet turbine 420 is driven to rotate by the water flow, so that the sewage collection member 500 performs reverse sewage discharge in the water outlet chamber 130, through the sewage collection The filter element 500 is discharged in forward and reverse directions, so that the filter element 200 can be backwashed more thoroughly.

Referring to Fig. 1, and, the dirt collecting piece 500 includes a dirt collecting head 510 and a connecting pipe 520, the dirt collecting head 510 is connected to the hollow rotating shaft 300 through the connecting pipe 520; the distance between the dirt collecting head 510 and the inner wall of the filter element 200 less than 10mm. The distance between the dirt collecting head 510 and the inner wall of the filter element 200 is set to be less than 10 mm. When the dirt collecting head 510 rotates relative to the filter element 200, the impurity attached to the inner wall of the filter element 200 can be removed by the impact and stirring force of the water flow. The water flow is carried into the sewage collecting head 510 .

Alternatively, a brush can be provided at the end of the dirt collecting head 510 away from the connecting pipe 520, and the brush abuts against the inner wall of the filter element 200. To remove impurities, the inner wall of the filter element 200 can also be cleaned by the brush to further improve the cleaning effect.

It should be pointed out that the water-driven automatic backwash water filter provided by the embodiment only needs to control the opening and closing of the sewage valve 141 of the two working chambers 140 to complete the forward rotation, reverse rotation and sewage discharge of the hollow shaft 300. function, the control system is simple, the reliability is high, the maintenance is convenient, and the manufacturing cost is lower.

Referring to FIG. 1 , there are a plurality of water inlet holes 131 opened in the water outlet cavity 130 , and the plurality of water inlet holes 131 are evenly distributed along the circumferential direction of the hollow rotating shaft 300 . Through this setting, the flow rate from the water inlet chamber 120 to the water outlet chamber 130 can be increased, and the water flow can evenly impinge on the filter element 200, so that the filter element 200 can fully function.

Referring to FIG. 1 , a plurality of dirt collecting components 500 are arranged in a staggered manner along the axial direction of the hollow rotating shaft 300 .

Referring to FIG. 1 , a plurality of dirt collecting members 500 are evenly distributed along the circumferential direction of the hollow rotating shaft 300 .

Referring to FIG. 1 , in an alternative solution of this embodiment, one end of the hollow rotating shaft 300 protrudes from the housing 100 , and a handwheel 600 is provided at one end of the hollow rotating shaft 300 protruding from the housing 100 .

Specifically, a hand wheel 600 is provided at the end of the hollow rotating shaft 300 protruding from the housing 100. When a large amount of impurities are accumulated in the filter element 200 and the water flow cannot drive the jet turbine 400 to rotate, the staff can manually shake the hand wheel 600 to manually shake the jet turbine. The water turbine 400 rotates, and after being manually shaken for a certain period of time, part of the impurities in the filter element 200 can be discharged, so that the water flow can drive the jet water turbine 400 to rotate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present utility model. .

Claims (10)

1. A hydraulically driven automatic backwash water filter, characterized in that it comprises: a housing (100), a filter element (200), a hollow shaft (300) and a jet turbine (400); The housing (100) is provided with a plurality of partition plates (110), and the plurality of partition plates (110) divide the housing (100) into a water inlet chamber (120), a water outlet chamber (130) and two working chambers (140), the housing (100) is provided with a water inlet (101) connected to the water inlet chamber (120) and an outlet connected to the water outlet chamber (130) Nozzle (102); The water inlet chamber (120) communicates with the water outlet chamber (130), the filter element (200) is fixedly arranged in the water outlet chamber (130), and the filter element (200) is connected to the water outlet chamber The side wall of (130) is fixedly connected, so that the water flowing in from the water inlet (101) flows into the water outlet (102) after passing through the filter element (200); The hollow rotating shaft (300) is installed in the working chamber (140), the water inlet chamber (120) and the water outlet chamber (130), and the jet turbine (400) is installed in the working chamber (140). , the jet turbine (400) is transmission-connected to the hollow shaft (300), and the shaft hole of the hollow shaft (300) communicates with the jet hole (401) of the jet turbine (400); The hollow shaft (300) is provided with a plurality of dirt-collecting parts (500), the dirt-collecting parts (500) communicate with the shaft holes of the hollow shaft (300), and the dirt-collecting parts (500) are located in the In the filter element (200); A drain valve (141) is arranged on the working chamber (140). 2. The hydraulically driven automatic backwash water filter according to claim 1, characterized in that, the water outlet cavity (130) is provided with a plurality of water inlet holes (131), and a plurality of the water inlet holes ( 131) Evenly distributed along the circumferential direction of the hollow rotating shaft (300). 3. The hydraulically driven automatic backwashing water filter according to claim 2, characterized in that, the filter element (200) adopts a metal cylindrical filter screen, and the two ends of the cylindrical filter screen are respectively connected with the formed filter. The two partition plates (110) of the water outlet chamber (130) are fixedly connected; A plurality of the water inlet holes (131) are all covered by the cylindrical filter screen. 4. The hydraulically driven automatic backwashing water filter according to claim 1, characterized in that, a plurality of said dirt collecting elements (500) are arranged in a staggered manner along the axial direction of said hollow rotating shaft (300). 5. The hydraulically driven automatic backwashing water filter according to claim 4, characterized in that, a plurality of said dirt collecting elements (500) are evenly distributed along the circumferential direction of said hollow rotating shaft (300). 6. The hydraulically driven automatic backwash water filter according to claim 5, characterized in that, the dirt collecting piece (500) comprises a dirt collecting head (510) and a connecting pipe (520), and the dirt collecting head (510) connecting with the hollow rotating shaft (300) through the connecting pipe (520); The distance between the dirt collecting head (510) and the inner wall of the filter element (200) is less than 10mm. 7. The hydraulically driven automatic backwash water filter according to claim 6, characterized in that, the end of the collecting head (510) away from the connecting pipe (520) is provided with a brush, and the brush abut against the inner wall of the filter element (200). 8. The hydraulically driven automatic backwash water filter according to any one of claims 1-7, characterized in that, the two jet turbines (400) are forward rotation jet turbines (410) and reverse jet turbines (420); The forward rotation jet turbine (410) and the reverse jet turbine (420) are respectively arranged in the two working chambers (140). 9. The hydraulically driven automatic backwashing water filter according to any one of claims 1-7, characterized in that, there is a rotary seal between the hollow shaft (300) and the partition plate (110) . 10. The hydraulically driven automatic backwash water filter according to any one of claims 1-7, characterized in that, one end of the hollow rotating shaft (300) protrudes from the housing (100), and the One end of the hollow rotating shaft (300) protruding from the housing (100) is provided with a hand wheel (600).

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