CN207270804U - A kind of stainless steel filter membrane replacing filter - Google Patents

Abstract

The purpose of this utility model is to provide a kind of stainless steel filter membrane replacing filter, including：Upper shell, inlet tube, inlet, connecting cavity, lower housing shell, outlet tube, upper conduit, upper cushion chamber, micropore filtering film, lower cushion chamber, downcomer and liquid outlet, it is characterised in that：The inlet tube is arranged on the upper end of the upper shell, the inlet tube is mutually permanently connected with the upper shell, the inlet is arranged on the inside of the inlet tube, and the upper conduit is arranged on the lower end of the inlet, and the upper conduit is interconnected with the inlet.The utility model is provided with connecting cavity between upper shell and lower housing shell, connecting cavity can mutually be rotated with upper shell tightens, only upper shell and connecting cavity need to be turned on i.e. replaceable cartridge when needing replacing filter membrane, replace very convenient, the material of the upper shell of the utility model, lower housing shell and connecting cavity is stainless steel, it can repeatedly use, use cost is relatively low and its corrosion resistance is stronger.

Description

A kind of stainless steel filter membrane replacing filter

Technical field

It the utility model is related to filter plant technical field, more particularly to a kind of stainless steel filter membrane replacing filter.

Background technology

At present, filtering is that one kind is simple, fast, efficient separation method, suitable for chemical analysis, sanitary inspection, oil The analysis of the various chemical substances such as industry, pharmaceuticals industry, dye industry etc., is related to net mostly when carrying out sample pre-treatments The operation such as change and filtering.Wherein, syringe filter is currently a kind of essential common experimental consumptive material in laboratory, it can be removed Large-size particles pollutant is removed, improves clean-up effect.However, existing syringe filter is not square there is internal filter membrane at present Just the problem of replacing, and existing filter is mostly disposable filter, its use cost is higher and its corrosion resistance compared with Low, and when handling sample, filter usually occurs due to filtering not exclusively and the problem of cause plugged filter, to reality The personnel of testing bring great inconvenience.

Utility model content

In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of stainless steel filter membrane replacing filter, this practicality is new Type provides a kind of stainless steel filter membrane replacing filter, and the utility model is provided with connecting cavity between upper shell and lower housing shell, The lower end of connecting cavity is mutually permanently connected with lower housing shell, and upper end and the upper shell of connecting cavity are connected through a screw thread, and connecting cavity can be with Mutually rotate and tighten with upper shell, only upper shell and connecting cavity need to be turned on i.e. replaceable cartridge when needing replacing filter membrane, more Change very convenient, the material of the upper shell of the utility model, lower housing shell and connecting cavity is stainless steel, and can be repeated several times makes With use cost is relatively low and its corrosion resistance is stronger.

The utility model is that technical solution is used by solving above-mentioned technical problem：A kind of stainless steel filter membrane replacing filtering Device, including：Upper shell, inlet tube, inlet, connecting cavity, lower housing shell, outlet tube, upper conduit, upper cushion chamber, micropore filtering film, Lower cushion chamber, downcomer and liquid outlet, it is characterised in that：The inlet tube is arranged on the upper end of the upper shell, the feed liquor Pipe is mutually permanently connected with the upper shell, and the inlet is arranged on the inside of the inlet tube, and the upper conduit is arranged on The lower end of the inlet, the upper conduit are interconnected with the inlet, and the upper cushion chamber is arranged on the downcomer Lower end, the upper cushion chamber is interconnected with downcomer, and the lower housing shell is arranged on the lower end of the upper shell, the connection Chamber is arranged between upper shell and lower housing shell, and the upper end of the connecting cavity is interconnected with the upper cushion chamber, the connecting cavity Lower end be mutually permanently connected with the lower housing shell, upper end and the upper shell of the connecting cavity are connected through a screw thread, the micropore Filter membrane is arranged on the inside of the connecting cavity, and the bottom of micropore filtering film and connecting cavity is is detachably connected, the lower buffering Chamber is arranged on the inside of the lower housing shell, and upper end and the connecting cavity of the lower cushion chamber are interconnected, and the outlet tube is set Put and be integrated and be connected with the lower housing shell in the lower end of the lower housing shell, the outlet tube, the liquid outlet be opened in it is described go out The inside of liquid pipe, the liquid outlet are interconnected by the downcomer and the lower cushion chamber.

Further, the inside of the connecting cavity is additionally provided with pre-filtering film, and pre-filtering film is located at the upper end of micropore filtering film.

Further, the top of the pre-filtering film and connecting cavity is to be detachably connected.

Further, a diameter of 13mm~25mm of the micropore filtering film.

Further, the material of the upper shell, lower housing shell and connecting cavity is stainless steel.

The utility model has the advantage of：The utility model provides a kind of stainless steel filter membrane replacing filter, this practicality New that connecting cavity is provided between upper shell and lower housing shell, lower end and the lower housing shell of connecting cavity are mutually permanently connected, connecting cavity Upper end be connected through a screw thread with upper shell, connecting cavity can mutually be rotated with upper shell tightens, when needing replacing filter membrane only Upper shell and connecting cavity need to be turned on to i.e. replaceable cartridge, replacement is very convenient, and the utility model is provided with cushion chamber with Cushion chamber, can prevent sample solution from directly producing impact to filter membrane, improve the reliability of filter, the utility model is even The inside for connecing chamber is additionally provided with pre-filtering film, and pre-filtering film is located at the upper end of micropore filtering film, and pre-filtering film can be molten by sample Bulky grain pollutant in liquid carries out pre-filtering, by that with being filtered after filtering by micropore filtering film, can improve Precision is filtered, is effectively prevented due to filtering not exclusively and the problem of cause plugged filter, the upper shell, lower housing shell of the utility model Material with connecting cavity is stainless steel, can be repeatedly used, and use cost is relatively low and its corrosion resistance is stronger.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the internal sectional structure schematic diagram of the utility model.

Wherein：

1- upper shells；2- inlet tubes；3- inlets；

4- connecting cavities；5- lower housing shells；6- outlet tubes；

The upper conduits of 7-；The upper cushion chambers of 8-；9- pre-filtering films；

10- micropore filtering films；Cushion chamber under 11-；12- downcomers；

13- liquid outlets

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.

Fig. 1 be the utility model principle schematic, Fig. 2 be the utility model internal sectional structure schematic diagram, such as Fig. 1 With a kind of stainless steel filter membrane replacing filter shown in Fig. 2, including：Upper shell 1, inlet tube 2, inlet 3, connecting cavity 4, lower casing Body 5, outlet tube 6, upper conduit 7, upper cushion chamber 8, micropore filtering film 10, lower cushion chamber 11, downcomer 12 and liquid outlet 13, it is special Sign is：The inlet tube 2 is arranged on the upper end of the upper shell 1, the inlet tube 2 and 1 company of interfixing of upper shell Connect, the inlet 3 is arranged on the inside of the inlet tube 2, and the upper conduit 7 is arranged on the lower end of the inlet 3, described Upper conduit 7 is interconnected with the inlet 3, and the upper cushion chamber 8 is arranged on the lower end of the downcomer 12, the upper buffering Chamber 8 is interconnected with downcomer 12, and the lower housing shell 5 is arranged on the lower end of the upper shell 1, and the connecting cavity 4 is arranged on Between housing 1 and lower housing shell 5, the upper end of the connecting cavity 4 is interconnected with the upper cushion chamber 8, the lower end of the connecting cavity 4 It is mutually permanently connected with the lower housing shell 5, upper end and the upper shell 1 of the connecting cavity 4 are connected through a screw thread, the micro porous filtration Film 10 is arranged on the inside of the connecting cavity 4, and the bottom of micropore filtering film 10 and connecting cavity 4 is described lower slow to be detachably connected The inside that chamber 11 is arranged on the lower housing shell 5 is rushed, upper end and the connecting cavity 4 of the lower cushion chamber 11 are interconnected, described Outlet tube 6 is arranged on the lower end of the lower housing shell 5, and the outlet tube 6 is integrated with the lower housing shell 5 and is connected, the liquid outlet 13 are opened in the inside of the outlet tube 6, and the liquid outlet 13 is interconnected by the downcomer and the lower cushion chamber.

Working method:When the utility model is used, sample solution enters upper conduit by the inlet in inlet tube It is interior, entered by upper conduit in upper cushion chamber, upper cushion chamber is interconnected with connecting cavity, by pre-filtering film to sample solution Filtered for the first time, the sample solution after first filtering carries out secondary filter by micropore filtering film again, then passes through lower buffering Chamber enters downcomer, and downcomer is interconnected with liquid outlet, and sample solution is discharged by the liquid outlet in outlet tube.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, the logical technical staff of this area should manage Solution：It can still modify the technical solution described in foregoing embodiments, either to which part or whole skills Art feature carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model The scope of each embodiment technical solution.

Claims (5)

1. a kind of stainless steel filter membrane replacing filter, including：Upper shell, inlet tube, inlet, connecting cavity, lower housing shell, go out liquid Pipe, upper conduit, upper cushion chamber, micropore filtering film, lower cushion chamber, downcomer and liquid outlet, it is characterised in that：The inlet tube is set Put and be mutually permanently connected in the upper end of the upper shell, the inlet tube with the upper shell, the inlet is arranged on described The inside of inlet tube, the upper conduit are arranged on the lower end of the inlet, and the upper conduit is interconnected with the inlet, The upper cushion chamber is arranged on the lower end of the downcomer, and the upper cushion chamber is interconnected with downcomer, and the lower housing shell is set Put and be arranged in the lower end of the upper shell, the connecting cavity between upper shell and lower housing shell, the upper end of the connecting cavity and institute State cushion chamber to be interconnected, the lower end of the connecting cavity is mutually permanently connected with the lower housing shell, the upper end of the connecting cavity It is connected through a screw thread with upper shell, the micropore filtering film is arranged on the inside of the connecting cavity, micropore filtering film and connecting cavity Bottom to be detachably connected, the lower cushion chamber is arranged on the inside of the lower housing shell, the upper end of the lower cushion chamber and institute State connecting cavity to be interconnected, the outlet tube is arranged on the lower end of the lower housing shell, and the outlet tube is one with the lower housing shell Body connects, and the liquid outlet is opened in the inside of the outlet tube, and the liquid outlet passes through the downcomer and the lower buffering Chamber is interconnected.

A kind of 2. stainless steel filter membrane replacing filter according to claim 1, it is characterised in that：The inside of the connecting cavity Pre-filtering film is additionally provided with, pre-filtering film is located at the upper end of micropore filtering film.

A kind of 3. stainless steel filter membrane replacing filter according to claim 2, it is characterised in that：The pre-filtering film and company The top for connecing chamber is to be detachably connected.

A kind of 4. stainless steel filter membrane replacing filter according to claim 1, it is characterised in that：The micropore filtering film A diameter of 13mm~25mm.

A kind of 5. stainless steel filter membrane replacing filter according to claim 1, it is characterised in that：The upper shell, lower casing The material of body and connecting cavity is stainless steel.