CN207575914U - Disc filter - Google Patents

Abstract

This disclosure relates to a kind of disc filter, housing (1) including substantially tubular, water inlet pipe (2), outlet pipe (3), blow-off pipe (4), two position three-way valve (5) and filter core (6), water inlet (11) is formed on the side of housing (1), the lower end of housing (1) is formed with water outlet (12), water inlet pipe (2) is connect with water inlet (11), outlet pipe (3) is connect with water outlet (12), blow-off pipe (4) is connect with water inlet pipe (2), two position three-way valve (5) is arranged on water inlet pipe (2), water inlet pipe (2) or connection water inlet pipe (2) and blow-off pipe (4) is connected, filter core (6) is contained in the inside of housing (1) and including multiple filtering disc (61), multiple filtering disc (61) is annular and stacked forms internal water flow passages.Under the premise of the disc filter ensures filtering accuracy and water yield, floor space is small, transports and easy for installation, at low cost.

Description

Disc filter

Technical field

A kind of this disclosure relates to water treatment field, and in particular, to disc filter.

Background technology

The prime of such as air conditioning cooling water, industrial colling, industry cleaning link water, production technology water and precision instrument is pre- Processing etc. is required for being filtered water quality, to reach the water quality demand of practical application.

Currently used pretreatment filtration is medium filter, including quartz filter, active carbon filter and more Jie Mass filter etc., can play good filter effect, and filtering accuracy substantially can be with meet demand.But this kind of filter It takes up a large area, transport is inconvenient, and in-site installation and replacement filtrate are cumbersome, and many valves and controller is needed to match It closes and uses, cause cost higher.

Utility model content

The purpose of the disclosure is to provide a kind of disc filter, before which ensures filtering accuracy and water yield It puts, floor space is small, transports and easy for installation, at low cost.

To achieve these goals, a kind of disc filter of disclosure offer, housing, water inlet pipe including substantially tubular, Outlet pipe, blow-off pipe, two position three-way valve and filter core are formed with water inlet, the lower end shape of the housing on the side of the housing Into there is water outlet, the water inlet pipe is connect with the water inlet, and the outlet pipe is connect with the water outlet, the blow-off pipe with The water inlet pipe connection, the two position three-way valve is arranged on the water inlet pipe, to connect the water inlet and the water inlet pipe Or the blow-off pipe, the filter core are contained in the inside of the housing and including multiple filtering discs, multiple filtering disc is equal For annular and stacked form internal water flow passages.

Optionally, the filtering table on piece is formed with multiple entrapping tanks and/or multiple retention muscle.

Optionally, the entrapping tank includes endless groove and curved groove, and the retention muscle includes cyclic annular muscle and curve muscle.

Optionally, the filtering disc is made of Maranyl.

Optionally, the multiple filtering disc is coaxially disposed with the housing, and the water inlet pipe and the housing Side is tangent.

Optionally, the upper end of the housing is provided with work condition indicator.

Optionally, the upper end of the housing is provided with air bleeding valve.

Optionally, the lower end of the internal water flow passages is provided with duckbill valve.

Optionally, the housing include upper body and lower case, the upper body by self-locking buckle structure with The lower case connection.

Optionally, the filtering accuracy of the disc filter is 5 μm -200 μm.

Through the above technical solutions, when disc filter is in filtration condition, two position three-way valve makes water inlet and water inlet Pipe connects, and water is entered from water inlet in housing by water inlet pipe to be contacted with filter core, the intracavitary water pressure-driven housing of housing The diaphragm apparatus on top drives mandril to push multiple filtering discs, and multiple filtering discs is made to be compacted to form fine and close filter core, water Impurity therein is retained by filtering disc when flowing through each filtering disc, to play filter effect.Then, by the flow of filtering Enter in internal water flow passages, finally flowed out and flowed into outlet pipe by water outlet.

When disc filter is in backwashing state, two position three-way valve makes water inlet be connected with blow-off pipe, backwash water by Water outlet is flowed into housing, and via four conduits open-top filter core pressure cap and diaphragm apparatus upwards with nozzle, is made multiple Disc is filtered to unclamp, diaphragm apparatus also loses the lower pressure under filtration condition, while backwash water is ejected along multiple filtering discs, The impurity that filtering table on piece retains is washed off, the sewage after flushing is discharged by water inlet and flowed into blow-off pipe.

The disc filter is compact-sized, and floor space is small, and filter element filtering precision is high, and water yield is big, and is easily installed And transport, it is at low cost.

Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.

Description of the drawings

Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure, but do not form the limitation to the disclosure together.In the accompanying drawings：

Fig. 1 is the structure diagram of the disc filter of the embodiment of the utility model；

Fig. 2 is the structure diagram of the disc filter of the embodiment of the utility model；

Fig. 3 is the structure diagram of the filter core of the disc filter of the embodiment of the utility model；

Fig. 4 is the schematic diagram of the filtering disc of the filter core of the disc filter of the embodiment of the utility model.

Reference sign

1 housing, 11 water inlet

12 water outlet, 13 upper body

14 lower case, 2 water inlet pipe

3 outlet pipe, 4 blow-off pipe

5 two position three-way valve, 6 filter core

61 filtering 62 entrapping tanks of disc

62a endless groove 62b curved grooves

63 retention muscle 63a ring-type muscle

7 duckbill valve of 63b curves muscle

8 air bleeding valves

Specific embodiment

The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower " used typically refers to Fig. 1 institutes The upper and lower directions shown, " inside and outside " refer to outer or inner relative to the central axis of housing 1.

As shown in Figure 1 to Figure 3, the embodiment of the utility model provides a kind of disc filter, includes the shell of substantially tubular Body 1, water inlet pipe 2, outlet pipe 3, blow-off pipe 4, two position three-way valve 5 and filter core 6 are formed with water inlet 11, shell on the side of housing 1 The lower end of body 1 is formed with water outlet 12, and water inlet pipe 2 is connect with water inlet 11, and outlet pipe 3 is connect with water outlet 12, blow-off pipe 4 with Water inlet pipe 2 connects, and two position three-way valve 5 is arranged on water inlet pipe 2, to connect water inlet 11 and water inlet pipe 2 or blow-off pipe 4, filter core 6 It is contained in the inside of housing 1 and including multiple filtering discs 61, multiple filtering disc 61 is in annular and stacked formation Portion's water stream channel.

When disc filter is in filtration condition, two position three-way valve 5 makes water inlet 11 be connected with water inlet pipe 2, and water is led to Water inlet pipe 2 is crossed to contact with filter core 6 from water inlet 11 into housing 1 is interior, 1 top of intracavitary water pressure-driven housing of housing 1 Diaphragm apparatus drives mandril to push multiple filtering discs 61, and multiple filtering discs 61 is made to be compacted to form fine and close filter core 6, flow Impurity therein is retained by filtering disc 61 when crossing each filtering disc 61, to play filter effect.Then, by the water of filtering It flows into internal water flow passages, is finally flowed out and flowed into outlet pipe 3 by water outlet 12.

When disc filter is in backwashing state, two position three-way valve 5 makes water inlet 11 be connected with blow-off pipe 4, backwash Water is flowed by water outlet 12 in housing 1, and via four conduits open-top filter core pressure cap and diaphragm apparatus upwards with nozzle, Unclamp multiple filtering discs 61, diaphragm apparatus also loses the lower pressure under filtration condition, while backwash water is along multiple filtering tables Piece 61 ejects, and the impurity retained on filtering disc 61 is washed off, and the sewage after flushing discharges inflow row by water inlet 11 In dirty pipe 4.

The disc filter is compact-sized, and floor space is small, and filter element filtering precision is high, and the filtering accuracy of disc filter is 5 μm -200 μm, water yield is big, and is easily installed and transports, at low cost.

Filter core 6 is designed using no spring, only simple to be formed by stacking using filtering disc 61, dexterously using come hydraulic pressure It forces tight and flicks filtering disc 61, make equipment assembling simpler, while also reduce the pressure requirements to water, reduce water pump Pressure requirements, play energy saving effect.

As shown in figure 4, filtering disc 61 can be various structure types, such as the disc with multiple filter hole, as A kind of preferred embodiment of disc 61 is filtered, optionally, filters and is formed with multiple entrapping tanks 62 and/or multiple retentions on disc 61 Muscle 63, adjacent two entrapping tanks 62 filtered on discs 61 and retention muscle 63 cooperate, i.e., one of filtering disc 61 The position of entrapping tank 62 is formed, the corresponding position of another filtering disc 61 forms retention muscle 63, matches to form shape and position It closes.Multiple entrapping tanks 62 and/or multiple retention muscle 63 are formed on filtering disc 61, during filtering, water is along filtering disc 61 by outer Inwardly flowing, the impurity more than entrapping tank 62 and the size of retention muscle 63 is trapped within outside, with miscellaneous in preferably trap water Matter improves filter effect.

As shown in figure 4, in order to further improve filter effect, optionally, entrapping tank 62 includes endless groove 62a and curved groove 62b, retention muscle 63 include ring-type muscle 63a and curve muscle 63b.Curved groove 62b and curve muscle 63b mainly plays interception and stores suspension The effect of object, the open design for using outside bigger, it is ensured that hydraulic pressure is relatively low during backwash can also reach thorough recoil Wash effect.Endless groove 62a and cyclic annular muscle 63a filtering interception functions and determining filtering accuracy, less than endless groove 62a and cyclic annular muscle The impurity of 63a sizes can enter the curved groove 62b and song communicated with internal water flow passages along endless groove 62a and cyclic annular muscle 63a Line muscle 63b, big impurity are intercepted, and can provide up to 5 μm of filtering accuracy.

In order to improve the durability of filtering disc 61, optionally, filtering disc 61 is made of Maranyl, and anti-corrosion is resistance to Mill, few fouling is non-aging, can bear higher operating pressure.

In order to reach preferably filtering and backwash effect, optionally, multiple filtering discs 61 are coaxially disposed with housing 1, And water inlet pipe 2 and the side of housing 1 are tangent.During filtering, water enters along the tangential direction of filtering disc 61 inside housing 1, And it is come into full contact with filtering disc 61, to reach better filter effect；During backwash, backwash water is cut along filtering disc 61 Line direction is ejected, and with more fully washing and filtering disc 61, impurity is fully rinsed out, and improves flushing effect.

Filter core 6 may be mounted on assembled frame of filter element, and filter core 6 can be adjusted flexibly according to design requirement Highly, to have the function that adjust filter area, meet different system requirements, be also convenient for the installation of filter core 6.

In order to facilitate the working condition of observation disc filter, optionally, the upper end of housing 1 is provided with working status indication Device.When disc filter is in filtration state, work condition indicator is in pressed status with diaphragm apparatus；Disc type mistake When filter is in backwash working condition, since diaphragm apparatus is jacked up by the water pressure of 1 intracavitary of housing, the top of housing 1 it is transparent Work condition indicator (be in this embodiment red instruction disk) in lid is also lifted in state is flicked, then can be with from outside The working condition of equipment is readily observed, so as to judge the state of filter core 6.

As depicted in figs. 1 and 2, in order to improve backwash effect, optionally, the upper end of housing 1 is provided with air bleeding valve 8.Instead During flushing, air bleeding valve 8 can automatically open, and thus air can enter in the cavity of housing 1, to change the pressure in cavity, have Help improve jet cleaning effect.

As shown in figure 3, in order to further improve backwash effect, optionally, the lower end of internal water flow passages is provided with duck Mouth valve 7.During filtering, the water filtered by filter core 6 flow to duckbill valve 7, and flow to out via duckbill valve 7 along internal water flow passages The mouth of a river 8, duckbill valve 8 can ensure max water yield during filtering；During backwash, due to the non-return effect of duckbill valve 7, backwash water Will not internal water flow passages be entered by duckbill valve 7, but be injected on filtering disc 61, to reach flushing effect.

As depicted in figs. 1 and 2, optionally, housing 1 includes upper body 13 and lower case 14, and upper body 13 passes through Self-locking buckle structure is connect with lower case 14 so that the simple easy and sealing effect of the installation and removal of housing 1 is good, convenient for inspection Repair and replace internal filter core 6.

The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.

In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought should equally be considered as disclosure disclosure of that.

Claims (10)

1. a kind of disc filter, which is characterized in that housing (1), water inlet pipe (2), outlet pipe (3) including substantially tubular, row (4), two position three-way valve (5) and filter core (6) are managed in dirt, and water inlet (11), the housing are formed on the side of the housing (1) (1) lower end is formed with water outlet (12), and the water inlet pipe (2) connect with the water inlet (11), the outlet pipe (3) and institute Water outlet (12) connection is stated, the blow-off pipe (4) connect with the water inlet pipe (2), and the two position three-way valve (5) is arranged on described On water inlet pipe (2), to connect the water inlet (11) and the water inlet pipe (2) or the blow-off pipe (4), the filter core (6) is held It is contained in the inside of the housing (1) and including multiple filtering discs (61), multiple filtering disc (61) is annular and folds It puts to form internal water flow passages.

2. disc filter according to claim 1, which is characterized in that be formed with multiple sections on the filtering disc (61) Stay slot (62) and/or multiple retention muscle (63).

3. disc filter according to claim 2, which is characterized in that the entrapping tank (62) includes endless groove (62a) With curved groove (62b), the retention muscle (63) includes cyclic annular muscle (63a) and curve muscle (63b).

4. disc filter according to claim 1, which is characterized in that the filtering disc (61) is by Maranyl system Into.

5. disc filter according to claim 1, which is characterized in that the multiple filtering disc (61) and the housing (1) it is coaxially disposed, and the water inlet pipe (2) and the side of the housing (1) are tangent.

6. disc filter according to claim 1, which is characterized in that the upper end of the housing (1) is provided with work shape State instruction device.

7. disc filter according to claim 1, which is characterized in that the upper end of the housing (1) is provided with air bleeding valve (8)。

8. disc filter according to claim 1, which is characterized in that the lower end of the internal water flow passages is provided with duck Mouth valve (7).

9. disc filter according to claim 1, which is characterized in that the housing (1) including upper body (13) and Lower case (14), the upper body (13) are connect by self-locking buckle structure with the lower case (14).

10. disc filter according to claim 1, which is characterized in that the filtering accuracy of the disc filter is 5 μ m-200μm。