CN206676160U - A kind of deslagging filter for fluid - Google Patents

Abstract

The utility model discloses a kind of deslagging filter for fluid, including the cavity and filter screen device in Y types, cavity is provided with fluid inlet, fluid issuing and the breast hole for clearing up adsorbing contaminant, the center line of fluid issuing and breast hole is coaxial, fluid inlet is inclined to be arranged between fluid issuing and breast hole, breast hole, which is provided with, can cover its end cap, and the end cap passes through fast fitting detachable connection with breast hole；The magnetic element for being used for impurity in fluid-absorbent is provided with cavity, one end of the magnetic element is connected on end cap, and the other end extends to fluid issuing direction；Fluid issuing is provided with screen pack joint, filter screen device and screen pack joint detachable connection.The utility model convenient disassembly, solve influence of the magnetic impurity such as iron filings to screen pack in fluid, enhance slagging-off effect, extend the service life of screen pack, reduce the number for changing screen pack, further improve the operational efficiency of compressed air system equipment.

Description

A kind of deslagging filter for fluid

Technical field

The purification technology field for compressed gas preparation system is the utility model is related to, more particularly to one kind is used for The deslagging filter of fluid.

Background technology

In compressed air preparation system, in order that compressed air meet industrial quality requirements, need to air compressor machine with One-level coarse filter, millipore filter and freeze drier are set between clean gas outlet, it is empty so as to sufficiently remove compression Solid impurity and moisture in gas.Traditional deslagging filter generally comprises filter housings, fluid inlet with exporting and setting The screen pack in housing is put, when fluid passes through screen pack, most of impurity can be blocked, and be removed using intercept type Slag mode.

At present, compressed air piping is frequently with carbon steel pipe, and the corrosion resistance of carbon steel material is poor, and system operation is for a period of time Afterwards, because corrosion can cause carbon steel piping inwall to come off, the iron filings class impurity after coming off flows with compressed air, when compression is empty When gas passes through traditional intercept type filter, wherein a large amount of iron filings class impurity carried can be blocked.Substantial amounts of iron filings are miscellaneous Matter can not only block the core screen pack of filter, and because iron filings property is harder, it is easy to screen pack is destroyed, so as to influence The operating efficiency of whole compressed air preparation system, the damage of core screen pack cause iron filings to enter follow-up compressed air line And in equipment, the quality of compressed air is reduced, the operating load of follow-up equipment is added, causes energy consumption increase and resource wave Take.

The content of the invention

For the above mentioned problem of prior art, the utility model provides a kind of deslagging filter for fluid, the slagging-off Filter convenient disassembly, solve influence of the magnetic impurity such as iron filings to screen pack in fluid, enhance slagging-off effect, extend The service life of screen pack, the number for changing screen pack is reduced, cost is reduced, further improves compressed air system equipment Operational efficiency.

In order to solve the above-mentioned technical problem, technical solution adopted in the utility model is：

A kind of deslagging filter for fluid, including cavity and filter screen device, the cavity be provided with fluid inlet, Fluid issuing and the breast hole for clearing up adsorbing contaminant, it is characterised in that

The cavity is in Y types, and the center line of the fluid issuing and breast hole is coaxial, the inclined setting of fluid inlet Between fluid issuing and breast hole,

The breast hole, which is provided with one, can cover its end cap, and the end cap passes through the detachable company of fast fitting with breast hole Connect,

The magnetic element for being used for impurity in fluid-absorbent is provided with the cavity, one end of the magnetic element is connected to institute To state on end cap, the other end extends to fluid issuing direction,

The fluid issuing is provided with screen pack joint, the filter screen device and screen pack joint detachable connection.

Preferably, the magnetic element and the end cap are integral type structure.

Preferably, the end cap is provided with several boss towards the side of inside cavity, and the boss is provided with external screw thread,

The end of one end that the magnetic element is connected with the end cap is provided with groove, the groove be provided with it is described convex The corresponding internal thread of the external screw thread of platform.

Preferably, the magnetic element is the bar magnet of strip.

Preferably, the magnetic element includes stainless steel sleeve and the bar magnet being arranged in the stainless steel sleeve, described Bar magnet can freely take out out of stainless steel bushing.

Further, the filter screen device includes housing, the U-shaped net support frame that is arranged in housing and removably The screen pack being connected in U-shaped net support frame, the opening of the U-shaped net support frame towards fluid issuing,

The housing is provided with inlet and outlet, and the import is connected with screen pack joint, and U-shaped net branch is led in the import The inside of support, the outside of the U-shaped net support frame communicate with the outlet.

Further, a chuck, the end cap and chuck detachable connection are set with the breast hole.

Further, the contact surface of the end cap and the chuck is provided with sealing ring.

Further, the fluid inlet and fluid issuing are in bottleneck shape, and fluid inlet is removably connected with switching Head.

Further, the end cap is provided with the visual window for being used for observing inside cavity.

A kind of deslagging filter for fluid of the present utility model, has the advantages that：

1st, because deslagging filter of the present utility model includes cavity and filter screen device, magnetic element is provided with cavity, And the magnetic element one end is connected on end cap, the other end extends to fluid issuing direction, and fluid issuing connects provided with screen pack Head, the filter screen device and screen pack joint detachable connection.Such structure setting, magnetic element is placed in fluid passage In, when the circulation passage in fluid transit chamber body, the magnetic impurity such as iron filings therein adsorbs the magnetic in flow channel first Property element on, then fluid is discharged by fluid issuing, be now arranged on fluid issuing filter screen device can convection body produce into The interception of one step, non-magnetic impurity therein are removed by filter screen device, so as to obtain the fluid of cleaning.Magnetic element and filtering Being used cooperatively for net, the slagging-off mode being combined using absorption type with intercept type, on the one hand greatly strengthen slagging-off effect, another Aspect avoids infringement of the magnetic impurities such as iron filings to screen pack, reduces screen pack operating pressure, avoids filter screen from being blocked, prolongs The service life of screen pack has been grown, the number for changing screen pack has been reduced, reduces cost.

2nd, filter screen device of the present utility model is removably attachable to fluid outlet by screen pack joint, realizes The split type connection of filter screen and cavity, such structure design, can avoid filter screen device from being limited by cavity size, structure, Screen pack width of mesh, filtering mesh-shaped from the filter screen device of different structure, can be adjusted flexibly according to actual production demand With size etc..

3rd, breast hole is additionally provided with cavity of the present utility model, breast hole, which is provided with one, can cover its end cap, the end cap With breast hole by fast fitting detachable connection, when needing to clear up magnetic element, dismountable fast fitting, end cap is removed, is beaten Opening or cleaning cinder notch, it is convenient and swift, save the time.

4th, because magnetic element one end is connected on end cap, the other end extends to fluid issuing direction, is opening breast hole, When removing end cap, the magnetic element being connected on end cap can be taken out in the lump, killed two birds with one stone, it is simple to operate.

5th, the utility model is further, when magnetic element and end cap detachable connection, can be set on end cap more Individual magnetic element, and the installation number of magnetic element according to the variation of actual production, can be adjusted, the magnetic in fluid is fully removed System is caused to be in optimal running status while impurity.

6th, because filter screen device includes housing, the U-shaped net support frame being arranged in housing and is detachably connected to U Screen pack in type net support frame, for the opening of U-shaped net support frame towards the fluid issuing of cavity, housing is provided with import and goes out Mouthful, the import is connected with screen pack joint, and the inside of U-shaped net support frame, the outside of U-shaped net support frame and institute are led in import State outlet to communicate, so as to which the clean fluid after the pending fluid containing impurity and processing be separated, after avoiding processing Clean fluid back-mixing, improve the clearance of impurity, ensure that the efficient and long-play of follow-up equipment, further carry The high quality of clean fluid.

Brief description of the drawings

, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these Figure obtains other accompanying drawings.

Fig. 1 is a kind of structural representation of the cavity of deslagging filter for fluid of the utility model embodiment 1；

Fig. 2 is a kind of structural representation of filter screen device of the utility model embodiment 1；

Fig. 3 is the magnetic element of the utility model embodiment 2 and a kind of attachment structure schematic diagram of end cap；

Fig. 4 is the end cap of the utility model embodiment 2 towards the structural representation of cavity side.

In figure：1- cavitys, 2- fluid inlets, 3- fluid issuings, 4- breast holes, 5- end caps, the fast fittings of 6-, 7- magnetic member Part, 8- screen pack joints, 9- chucks, 10- sealing rings, 11- adapters, 12- handles, 21- housings, 22-U type net support frames, 23- Screen pack, 24- closures, 25- connecting plates, 211- imports, 212- outlets, 213- baffle plates, 51- boss, 71- grooves

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work Lower obtained every other embodiment, belong to the scope of the utility model protection.

In description of the present utility model, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer " etc. The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model Described with simplifying, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific orientation structure Make and operate, therefore it is not intended that to limitation of the present utility model.

Embodiment 1

Common material in compressed air preparation system medium carbon steel, when system operation for a period of time after, the easy quilt of carbon steel Corrosion, so as to produce the graininess containing iron ion or thin slice impurity.One kind is the utility model is related to flow from compressed air etc. The filter of magnetic impurity and non-magnetic impurity is removed in body.

It is a kind of structural representation of deslagging filter for fluid of the utility model embodiment as shown in Figure 1, should Deslagging filter includes cavity 1 and filter screen device, cavity 1 be provided be used to enter fluid fluid inlet 2, for discharging The fluid issuing 3 of fluid and the breast hole 4 for clearing up adsorbing contaminant；Cavity 1 is in Y types, fluid issuing 3 and breast hole 4 Center line is coaxial, and fluid inlet 2 is inclined to be arranged between fluid issuing 3 and breast hole 4, and breast hole 4 is provided with one and can covered Its end cap 5, the end cap 5 pass through the fast detachable connection of fitting 6 with breast hole 4；It is provided with cavity 1 and is used for magnetic in fluid-absorbent Property impurity magnetic element 7, one end of the magnetic element 7 is connected on end cap 5, and the other end extends to the direction of fluid issuing 3；Stream Body outlet 3 is provided with screen pack joint 8, filter screen device and the detachable connection of screen pack joint 8.

The deslagging filter of the present embodiment easily can be connected in pipe-line system, by the upstream outlet end of fluid Welding or other types of attachment are connected to the end of fluid inlet 2 of cavity 1, and the downstream pipe inlet end portion of fluid welds or it His type of attachment is connected to the end of fluid issuing 3 of filter cavity 1.In this way, the fluid that the inside of cavity 1 can be led into first passes through Magnetic element 7, then pass through the filter screen device for being connected to fluid issuing 3.

Refering to Fig. 1 as can be seen that breast hole 4 is arranged on the top of cavity 1, fluid issuing 3 is co-axially located at breast hole The bottom of cavity 1, fluid inlet 2 are arranged between breast hole 4 and fluid issuing 3 towards breast hole 4 is inclined, and end cap 5 covers On breast hole 4.When the deslagging filter of said structure is arranged in pipe-line system, the breast hole 4 positioned at the top of cavity 1 Operator is facilitated clear up the work of adsorbing contaminant.Further, end cap 5 is provided with visual inside cavity 1 for observing Window, the adhesion condition of the magnetic impurities such as the iron filings on magnetic element 7 can be observed at any time by visual window, arrange cleaning in real time, protected The slagging-off effect of deslagging filter is demonstrate,proved.Preferably, visual window and end cap 5 are integral type structure in the present embodiment.

Magnetic element 7 is arranged to the adsorption magnetic bar of strip by the present embodiment, and Fig. 1 only illustrates an adsorption magnetic bar, root It can select to set more adsorption magnetic bars according to the size of circulation in actual production.When fluid passes through the fluid passage in cavity 1 When, the magnetic impurity such as iron filings therein adsorbs on bar magnet surface first, and then fluid further passes through filter screen device, wherein Non-magnetic impurity secondary interception is carried out by filter screen device.In this way, bar magnet and screen pack are used cooperatively, using absorption type with The slagging-off mode that intercept type is combined, on the one hand greatly strengthen slagging-off effect, on the other hand avoid the magnetic impurities such as iron filings Infringement to screen pack, screen pack operating pressure is reduced, avoids filter screen from being blocked, extends the service life of screen pack, reduced The number of screen pack is changed, reduces cost.

Particularly, as shown in figure 1, magnetic element of the present utility model 7 is connected to end cap 5 towards the side inside cavity 1, Breast hole 4 is being opened, when removing end cap 5, the magnetic element 7 being connected on end cap 5 can taken out in the lump, there is the work(killed two birds with one stone Effect, it is simple to operate.It is non-easily loss device in view of magnetic element 5, after the magnetic impurity adhered to thereon is cleaned out, repeats Use, therefore, the preferable magnetic element 7 of the present embodiment and end cap 5 are integral type structure.

The connection of end cap of the prior art and pipeline or equipment is generally flange connection, and this connected mode needs The end welded flange of pipeline or equipment, then fastened by tightening the bolt and nut of flange surrounding, this connected mode operation It is relative complex, it is necessary to multiple parts.The present embodiment is preferably set with the chuck 9 of a stainless steel, the card on breast hole 4 Disk is hollow tube-shape, and the diameter of the middle cavity of cylinder is slightly larger than the external diameter of breast hole 4 so that chuck 9 can be fitted tightly over cavity 1 Outside, end cap 5 are covered on chuck 9, and flange, 5 detachable company of end cap are provided with one end outer rim that chuck 9 is connected with end cap 5 It is connected on the flange of chuck 9, is preferably fastenedly connected end cap 5 and chuck 9 using clip 6.In order to increase the sealing of junction Property, the end cap 5 of the present embodiment and the contact surface of chuck 9 be provided with O-ring seal 10, and the O-ring seal 10 can be polytetrafluoroethyl-ne Alkene pad or other suitable sealing devices that may be provided between end cap 5 and flange.When end cap 5 is opened or covered to needs When, the manual clamping screw unscrewed or tighten clip 6 is only needed, it is simple to operate, it is time saving and energy saving.

The absorption type that the deslagging filter of the present embodiment uses is with the slagging-off mode that intercept type is combined for simple physics Facture, therefore, fluid need enough residence times so that iron filings therein fully to be removed in filter cavity 1, this Outside because the magnetic element 7 in cavity 1 is arranged in the flow channel of fluid, its convection body can produce certain disturbance, if Excessive into the rate of flow of fluid in cavity 1, level of disruption is strong, adds the drag losses of system to a certain extent, and then The load of increase system.For these reasons, fluid inlet 2 and fluid issuing 3 are all provided with being set to bottleneck shape, fluid by the present embodiment One end diameter that import 2 is connected with exterior line is less than its one end diameter being connected with cavity 1, along fluid flow direction bore Gradually it is extended to the diameter of cavity 1.When fluid enters filter cavity 1 by fluid inlet 2, because flow channel increases, Flow velocity reduces, and extends residence time of the fluid in filter cavity 1 to a certain degree, and the reduction of flow velocity is also to a certain extent in addition Disturbing influence caused by slow down the convection body of magnetic element 7, avoids excessive resistance drop.Fluid issuing 3 is along flow of fluid side It is gradually reduced to bore, the fluid after the adsorption treatment of magnetic element 7 is when by fluid issuing 3, because caliber diminishes, stream The setting value of quick-recovery pipe-line system.

It is detachable in fluid inlet 2 in order to facilitate installing and expand the scope of application of the utility model deslagging filter Be connected with adapter 11, one end and the size of fluid inlet 2 of the adapter 11 match, and can be by supporting fast fitting such as Clip is connected, and the other end can be arranged to the joint of different bores according to actual exterior line pipe diameter size.During installation, it will first turn One end of joint 11 is connected with exterior line, and then the fluid inlet 2 of cavity 1 is connected with adapter 11 and will be connected with clip Socket part position fastens, and so as to which deslagging filter of the present utility model is connected in stand-by pipe-line system, installation and removal are relatively more square Just.In order to strengthen the sealing of junction, further fluid inlet 2 is provided with sealing ring, the sealing with the contact surface of adapter 11 Circle can be teflon gasket or other suitable sealing devices.

Filter screen device of the present utility model is removably attachable at fluid issuing 3 by screen pack joint 8, is realized The split type connection of filter net device and filter cavity 1, such structure design, can avoid screen pack by the size of cavity 1, structure Limitation, screen pack width of mesh, mistake from the filter screen device of different structure, can be adjusted flexibly according to actual production demand Filter screen shape and size etc..

Specifically, a kind of structural representation of filter screen device as shown in Figure 2, the filter screen device include housing 21, The U-shaped net support frame 22 being arranged in housing 21 and the screen pack 23 being detachably connected in U-shaped net support frame 22, it is described The opening of U-shaped net support frame 22 towards fluid issuing 3,

The housing 21 be provided with import 211 and outlet 212, the import 211 is connected with screen pack joint 8, it is described enter Mouth 211 leads to the inside of U-shaped net support frame 22, and the outside of the U-shaped net support frame 22 communicates with the outlet 212.

The inwall of housing 21 be provided with annular baffle plate 213, the baffle plate 213 be arranged on the bottom of import 211 and on The axis for stating the annulus that baffle plate 213 is formed overlaps with the axis of housing 21, and the U-shaped opening of net support frame 22 is provided with section Screen pack 23 is fixed on U-shaped net support frame 22 by L-shaped connecting plate 25, the short side of the L-type connecting plate 25, its long edge lap On baffle plate 213.Such structure setting, import 211 and outlet 212 are by the indirect communication of screen pack 23, the fluid containing impurity After import 211 enters filter screen device, due to the barrier by baffle plate 213, it can only pass through after screen pack 23 from outlet 212 Discharge, and the clean fluid outside screen pack 23 is due to further by the stop of baffle plate 213, avoiding its back-mixing to import In 211 fluid containing impurity.

The filter screen device of said structure separates the clean fluid after the pending fluid containing impurity and processing, The back-mixing of the clean fluid after processing is avoided, improves the clearance of impurity, ensure that the efficient of follow-up equipment and long-time Operation, further increase the quality of clean fluid.

In order to facilitate the cleaning and replacing of screen pack, the opening that U-shaped net support frame 22 can be taken out is provided with housing 21, And a dismountable closure 24 is set in the opening, the closure 24 uses clamp connection with housing 21.Further exist The sealing ring of increase sealing is provided between closure 24 and housing 21.It is, of course, also possible to the screen pack using other structures form Device, the utility model are without restriction to the specific constructive form of filter screen device, can according to can according to actual production demand, From the filter screen device of different structure.

End cap 5 is opened for the convenience of the users, and the handle for being easy to open end cap 5 also can be set on the end cap 5 of the present embodiment 12。

Embodiment 2

The present embodiment and the structure of embodiment 1 are essentially identical, and difference is that magnetic element 7 and end cap 5 are detachable Formula connects.

Specifically, refer to Fig. 3, it is a kind of connection diagram of magnetic element 7 and end cap 5 in the present embodiment, end cap 5 Boss 51 is provided with towards the side inside cavity 1, the outside of boss 51 is provided with external screw thread, and magnetic element 7 is strip Bar magnet, the end of its one end being connected with end cap 5 are provided with the groove 71 being engaged with boss 51, are provided with the groove 71 and boss The internal thread that 51 external screw thread is engaged.During installation, boss 51 is directed to the groove 71 of one end end of magnetic element 7, by outer Magnetic element 7 is fixed on end cap 5 by the cooperation of screw thread and internal thread.Due to magnetic element 7 and the detachable connection of end cap 5, Can more easy cleaning and replacing.

The present embodiment can set multiple boss 51 according to above-mentioned detachable type of attachment on end cap 5, so as to The multiple magnetic elements 7 of installation of cooperation, therefore magnetic element 7 can be arranged to the bar magnet of elongated shape, Fig. 4 is referred to, due to The magnetic impurity that adsorption magnetic bar 7 is adsorbed is attached to the surface of bar magnet, and therefore, big adsorption surface area is not only advantageous to improve The adsorption efficiency of magnetic impurity, and cleaning frequency can be reduced, extend cleaning cycle, be especially suitable for batch continuous production mistake Journey.More elongated adsorption magnetic bars greatly increase relative to single thicker bar magnet, its effective surface area.

In use, when the magnetic impurities such as the iron filings in fluid are more, all boss 51 can be equipped with to upper magnetic member Part 7, when the magnetic impurities such as the iron filings in fluid are less, it can select to take away several magnetic elements 7, because increase fluid passage While middle 7 quantity of magnetic element, flow resistance can increase therewith.The detachable connection side of above-mentioned magnetic element 7 and end cap 5 The setting of formula and multiple magnetic elements 7 is especially suitable for the occasion that magnetic impurity in fluid often changes, can be according to actual production Variation, adjust the installation number of magnetic element, cause system to be in optimal while magnetic impurity in fully removing fluid Running status.

Embodiment 3

The present embodiment and the difference of embodiment 2 are that magnetic element 7 includes stainless steel sleeve 72 and is arranged on described Bar magnet 73 in stainless steel sleeve, the bar magnet 73 can freely take out out of stainless steel bushing 72.

When the magnetic element 7 of the present embodiment is placed in fluid passage, due to the bar magnet 73 in stainless steel sleeve 72 Magnetic-adsorption so that on the stainless steel sleeve 72 that the magnetic impurity in fluid tends to bar magnet 73 and is attracted to outside bar magnet 73. When clearing up the impurity of absorption, bar magnet 73 is taken out from stainless steel bushing 72, now due to the magnetic force inside stainless steel sleeve 72 Absorption disappears, the magnetic impurity adhered to outside stainless steel sleeve 72 can self falling, cleaning get up it is very convenient, fast.

Described above fully discloses specific embodiment of the present utility model.It is pointed out that it is familiar with the neck Any change that the technical staff in domain is done to specific embodiment of the present utility model is all without departing from right of the present utility model The scope of claim.Correspondingly, the scope of claim of the present utility model is also not limited only to foregoing specific embodiment party Formula.

Claims (10)

1. a kind of deslagging filter for fluid, including cavity (1) and filter screen device, the cavity (1) is provided with fluid Import (2), fluid issuing (3) and the breast hole (4) for clearing up adsorbing contaminant, it is characterised in that

The cavity (1) is in Y types, and the center line of the fluid issuing (3) and breast hole (4) is coaxial, and the fluid inlet (2) is inclined Oblique is arranged between fluid issuing (3) and breast hole (4),

The breast hole (4), which is provided with one, can cover its end cap (5), and the end cap (5) passes through fast fitting with breast hole (4) (6) detachable connection,

The magnetic element (7) for being used for impurity in fluid-absorbent is provided with the cavity (1), one end of the magnetic element (7) connects It is connected on the end cap (5), the other end extends to fluid issuing (3) direction,

The fluid issuing (3) is provided with screen pack joint (8), the filter screen device and screen pack joint (8) detachable company Connect.

A kind of 2. deslagging filter for fluid according to claim 1, it is characterised in that the magnetic element (7) It is integral type structure with the end cap (5).

A kind of 3. deslagging filter for fluid according to claim 1, it is characterised in that the end cap (5) towards The internal side of cavity (1) is provided with several boss (51), and the boss (51) is provided with external screw thread,

The end of one end that the magnetic element (7) is connected with the end cap (5) is provided with groove (71), is set on the groove (71) There is the internal thread corresponding with the external screw thread of the boss (51).

4. a kind of deslagging filter for fluid according to claims 1 to 3 any one, it is characterised in that described Magnetic element (7) is the bar magnet of strip.

5. a kind of deslagging filter for fluid according to claims 1 to 3 any one, it is characterised in that described Magnetic element (7) includes stainless steel sleeve (72) and the bar magnet (73) being arranged in the stainless steel sleeve, the bar magnet (73) Can freely it be taken out out of stainless steel bushing (72).

A kind of 6. deslagging filter for fluid according to claim 1, it is characterised in that the filter screen device bag Include housing (21), the U-shaped net support frame (22) being arranged in housing (21) and be detachably connected to U-shaped net support frame (22) Interior screen pack (23), the opening of the U-shaped net support frame (22) towards fluid issuing (3),

The housing (21) is provided with import (211) and outlet (212), and the import (211) is connected with screen pack joint (8), The import (211) leads to the inside of U-shaped net support frame (22), outside and the outlet of the U-shaped net support frame (22) (212) communicate.

7. a kind of deslagging filter for fluid according to claim 1, it is characterised in that on the breast hole (4) It is set with a chuck (9), the end cap (5) and chuck (9) detachable connection.

8. a kind of deslagging filter for fluid according to claim 7, it is characterised in that the end cap (5) and institute The contact surface for stating chuck (9) is provided with sealing ring (10).

A kind of 9. deslagging filter for fluid according to claim 8, it is characterised in that the fluid inlet (2) It is in bottleneck shape with fluid issuing (3), fluid inlet (2) is removably connected with adapter (11).

10. a kind of deslagging filter for fluid according to claim 8, it is characterised in that set on the end cap (5) There is the visual window internal for observing cavity (1).