CN208785876U - A kind of online backwashing filter - Google Patents

Abstract

The utility model discloses a kind of online backwashing filters, including upper cover, shell and filtration core, upper cover is covered on housing tip, and corresponding bolt lock is cooperated to be tightly connected by clip between upper cover and housing tip, pivoted arm is also fixedly connected between upper cover and housing sidewall, filtration core is placed in enclosure interior, and fixed plate is welded on shell lower end inner wall, positioning plate is welded on the inner wall of shell upper end, and filtration core lower end is bolted in fixed plate, filtration core upper end is bolted on positioning plate, housing sidewall lower end is fixedly installed inlet, housing sidewall upper end is fixedly installed liquid outlet, and housing bottom side is fixedly installed sewage draining exit, inlet, liquid outlet and sewage draining exit be connected in shell.The utility model solves and is easy accumulated solids particle in current basket filter strainer, therefore needs periodically to clear up filter core, and filter efficiency is low, the big problem of labor intensity of workers.

Description

A kind of online backwashing filter

Technical field

The utility model relates to filter technology field, specially a kind of online backwashing filter.

Background technique

Common basket filter shell is built-in with the filter core of certain specification strainer, and impurity is blocked in filter core, due to The blocking of filter screen, solid particle causes the pressure drop that pipeline is big in the accumulation of strainer inner surface, when pressure drop reaches a certain level, Filter must stop working, and clear up filter core, and filter efficiency is low, and labor intensity of workers is big.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of online backwashing filter, solves current It is easy accumulated solids particle in basket filter strainer, therefore needs periodically to clear up filter core, filter efficiency is low, worker's labour The big problem of intensity.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of online backwashing filter, including upper Lid, shell and filtration core, the upper cover are covered on housing tip, and are cooperated between the upper cover and housing tip by clip Corresponding bolt lock is tightly connected, and pivoted arm is also fixedly connected between the upper cover and housing sidewall, the filtration core is placed in shell Inside, and fixed plate is welded on the shell lower end inner wall, positioning plate, and the mistake are welded on the inner wall of the shell upper end Filter core lower end is bolted in fixed plate, and the filtration core upper end is bolted on positioning plate, the shell Side wall lower ends are fixedly installed inlet, and the housing sidewall upper end is fixedly installed liquid outlet, and the housing bottom side Be fixedly installed sewage draining exit, the inlet, liquid outlet and sewage draining exit be connected in shell.

Preferably, the upper cover top surface side is also fixedly installed with exhaust-valve.

Preferably, the housing bottom center is further fixedly arranged on slag-drip opening, and the slag-drip opening and enclosure interior Connection.

Preferably, equal fixing assembling has valve on the inlet, liquid outlet, slag-drip opening and sewage draining exit.

(3) beneficial effect

The utility model provides a kind of online backwashing filter, have it is following the utility model has the advantages that

(1) the utility model is by design sewage draining exit and slag-drip opening, and guarantees that liquid outlet mounting height is higher than inlet Mounting height, while the import and export valve of sewage draining exit and slag-drip opening complement filter device itself being carried out using can be not Stop carrying out backwash cleaning filtration core under the situation of conduit running, extend accumulate in impurity in filter core formed filter cake when Between, filter efficiency is improved, the time interval of cleaning filter core is extended；Generally, efficiency is improved, it is normal to extend filter The time of operation saves cost of labor, reduces labor intensity of workers.

(2) the utility model has slag-drip opening by design, and the impurity for being adhered to filtration core inner wall, which is rushed, falls to slag-drip opening Place etc. is for clearance, and slag-drip opening can carry impurity to the maximum extent.

Detailed description of the invention

Fig. 1 is the utility model main cross section structure diagram；

Fig. 2 is the utility model left view structural representation.

In figure: upper cover 1, clip 2, shell 3, bolt 4, inlet 5, positioning plate 6, liquid outlet 7, pivoted arm 8, exhaust-valve 9, mistake Filter core 10, fixed plate 11, slag-drip opening 12, sewage draining exit 13, valve 14.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of online backwashing filter, including upper cover 1, shell 3 and filtration core 10, upper cover 1 are covered on 3 top of shell, and are cooperated between 3 top of upper cover 1 and shell by clip 2 The corresponding locking of bolt 4 connects, and pivoted arm 8 is also fixedly connected between 3 side wall of upper cover 1 and shell, and 1 top surface side of upper cover is also fixed Exhaust-valve 9 is installed；

Filtration core 10 is placed in inside shell 3, and fixed plate 11 is welded on 3 lower end inner wall of shell, on 3 upper end inner wall of shell It is welded with positioning plate 6, and 10 lower end of filtration core is fixed in fixed plate 11 by bolt 4,10 upper end of filtration core is solid by bolt 4 It being scheduled on positioning plate 6,3 side wall lower ends of shell are fixedly installed inlet 5, and 3 sidewall upper of shell is fixedly installed liquid outlet 7, And 3 bottom end side of shell is fixedly installed sewage draining exit 13, inlet 5, liquid outlet 7 and sewage draining exit 13 are connected to in shell 3, 3 bottom dead center position of shell is further fixedly arranged on slag-drip opening 12, and is connected to inside slag-drip opening 12 and shell 3, and inlet 5 goes out liquid Fixing assembling has valve 14 on mouth 7, slag-drip opening 12 and sewage draining exit 13.

Working principle: when medium flows into shell from inlet 5, impurity a part is adhered to 10 inner surface of filtration core, and one Divide and be deposited in the slag-drip opening 12 of 3 bottom of filter housings, pure medium is flowed out from liquid outlet 7, achievees the purpose that filtering；

When the accumulation of impurities of 10 inner surface of filtration core needs cleaning to a certain extent, start counter-flushing process, to filtration core 10 are cleared up.Can be repeatedly backwashed in the operational process of filter without frequently clearing up filtration core 10, only when Filter front and back pressure difference is larger and influences pipeline normal operation Shi Caixu thorough cleaning filtration core 10, after stopping transportation, opens exhaust-valve 9 Emptying after opening the discharge intracorporal liquid medium of shell of sewage draining exit 13, beats slag-drip opening 12 and clears up impurity.

Counter-flushing process: after filter runs a period of time, valve 14 at inlet 5 is closed, valve 14 is protected at liquid outlet 7 Open state is held, simultaneously because 7 mounting height of liquid outlet is higher than 5 mounting height of inlet, at this moment filter import and export exists One pressure difference, slowly open sewage draining exit 13 at valve 14, control the pressure difference should not excessive (1MPa or so), at this moment medium flow to Become it is reversed-from liquid outlet 7 flow to inlet 5, contaminated-oil basin is injected by sewage draining exit 13 and is adhered under the action of reverse flow The impurity such as the iron rust of 10 inner wall of filtration core are most of to be fallen at slag-drip opening 12 etc. for clearance by punching, and slag-drip opening 12 can be with maximum limit Degree ground carrying impurity, a part are brought into contaminated-oil basin, and the time continues half a minute to 1 minute, carefully hears sewage draining exit in filter There is overcurrent that can close the valve 14 at sewage draining exit 13 at 13, entire backwash process terminates.

In addition, due to the fixed filter screen of rhombus net that filtration core 10 inner wall itself is equipped with sufficient intensity, so recoiling During washing filter screen will not be washed out because of medium reverse flow.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of online backwashing filter, including upper cover (1), shell (3) and filtration core (10), upper cover (1) covering It is locked on shell (3) top, and between the upper cover (1) and shell (3) top by the corresponding bolt (4) of clip (2) cooperation Connection, is also fixedly connected with pivoted arm (8) between the upper cover (1) and shell (3) side wall, it is characterised in that: the filtration core (10) it is internal to be placed in shell (3), and is welded with fixed plate (11) on the shell (3) lower end inner wall, in shell (3) upper end It is welded on wall positioning plate (6), and the filtration core (10) lower end is fixed on fixed plate (11) by bolt (4), the mistake Filter core (10) upper end is fixed on positioning plate (6) by bolt (4), and shell (3) side wall lower ends are fixedly installed inlet (5), shell (3) sidewall upper is fixedly installed liquid outlet (7), and the shell (3) bottom end side is fixedly installed row Dirty mouth (13), the inlet (5), liquid outlet (7) and sewage draining exit (13) with shell (3) in be connected to.

2. a kind of online backwashing filter according to claim 1, it is characterised in that: upper cover (1) the top surface side Also it is fixedly installed with exhaust-valve (9).

3. a kind of online backwashing filter according to claim 1, it is characterised in that: shell (3) bottom center Position is further fixedly arranged on slag-drip opening (12), and is connected to inside the slag-drip opening (12) and shell (3).

4. a kind of online backwashing filter according to claim 3, it is characterised in that: the inlet (5), liquid outlet (7), fixing assembling has valve (14) on slag-drip opening (12) and sewage draining exit (13).