Background technology
The no unified filter of filtering of liquid glucose colour detection is presently used for, is mostly homemade metal material
Simple filter apparatus, mode of appearance are also different.This kind of filter is primarily present following several big shortcomings:
1. because filter body is metal material, filter dead weight is heavier, causes filter and is not easy to remove
Move and unpick and wash.
2. because in the filter process of sample, often filtering a sample just needs to clean filter once, and use is such a
Filter carries out filtering required unpicking and washing that step is comparatively laborious, and the time expended needed for can also greatly increase, so as to drop
The speed of low filtering, have impact on conventional efficient.
3. because the cleaning step of whole filter is relatively more, so as to easily cause incomplete, the halfway situation of cleaning.
The appearance of such case can directly affect the accuracy of experimental result, cause deviation, the generation of un-reasonable phenomenon of experimental result.
Therefore need a kind of body design compact, light, and easy cleaned filter, so as to effectively improve reality
While the filtering sugar solution efficiency tested, liquid glucose also can be effectively reduced in filter process by filter cleaning is not made thoroughly
Into the pollution to filtrate, so as to be effectively guaranteed the accuracy of experimental result.
The content of the invention
In view of this, the utility model purpose is to provide a kind of Special filtering membrane filter for the detection of liquid glucose colour, tool
Have a rotatable Snap ring structure easy to operation and independent chassis without dismantling and cleaning, the buffer unit of liquidproof backflow, can be achieved it is convenient,
Quickly, exempt from the filter process of pollution, while greatly improving conventional efficient, also effectively prevent filtrate and sent out in filter process
Raw cross pollution, so as to ensure that the accuracy of experimental result.It is adapted to be promoted the use of in vast sugar enterprise.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of Special filtering membrane filter for the detection of liquid glucose colour, including outer cap, top snap ring, middle part snap ring and bottom
Disk, above structure are made of light plastic material.The outer cap is buckled in the outer middle side part of middle part snap ring, the middle part snap ring peace
Outside between top snap ring and chassis, the inner side between the top snap ring and middle part snap ring are provided with filter, institute
State filter both ends and be equipped with sealing ring, the middle part snap ring extends inwardly to form sample collection groove, and the chassis side is set
There is aspirating hole, the chassis inside bottom is provided with locating slot.
Preferably, described aspirating hole one end is connected with vacuum buffer bottle by tracheae.
Preferably, the sealing ring is corresponding recessed on the inside of top snap ring bottom, middle part snap ring and at the top of chassis
In groove, sealing ring causes filter and top snap ring bottom, installation site is stable on the inside of the snap ring of middle part, middle part snap ring and chassis it
Between installation site it is stable.
Preferably, the middle part snap ring is connected with top snap ring and chassis clamping respectively, correspondence position has snap ring,
Linked together so as to clamping.
Preferably, the vacuum buffer top of bottle is provided with pipeline.
Preferably, the pipe end is provided with triple valve, the triple valve both ends be respectively arranged with air interface and
Vacuum pump interface.
A kind of method of work of Special filtering membrane filter for the detection of liquid glucose colour, comprises the following steps:
Step 1:After filter assembling completely, top snap ring is screwed in the case where vacuumizing environment, decompressed;
Step 2:Filter membrane is covered on filter, liquid to be filtered is poured on filter membrane, logical triple valve is revolved, makes filter interior
Filtered under the state that vacuumizes;
Step 3:Filtrate is flowed into the beaker that chassis is placed by the sample collection groove in the snap ring of middle part;
Step 4:Triple valve is closed, beaker is taken out;Logical triple valve is revolved again, top snap ring is outwarded winding, and taking out filter membrane is
Can.
The utility model has the technical effect that following aspect:Filter body uses light plastic material, easily
While moving, also make filter more convenient and laborsaving during unpicking and washing;Top snap ring and middle part snap ring are using rotatable
Snap ring structure, it is equipped with suitable sealing ring and is used in conjunction with, can the very simply, easily folding of controlling filter;Chassis portion
Divide the locating slot with fixed beaker, it is only necessary to dry clean beaker is placed in one, liquid is after filter is filtered, filter
Liquid is flowed directly into beaker by sample collection groove, you can the filtrate after filtering is collected, while so as to prevent cross pollution,
Also the cleaning on chassis is maintained, avoid chassis portion unpicks and washes carried inconvenience repeatedly;Vacuum buffer conical flask attaches
It is designed to effectively buffer and prevent that during suction filtration excessively caused phegma is directly entered vavuum pump due to filtrate
Situation;External triple valve just can control the effect that air-flow passes in and out without repeatedly by the folding of simply control valve
The switch of vavuum pump is controlled to reach this effect.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasped.
As depicted in figs. 1 and 2, a kind of Special filtering membrane filter for the detection of liquid glucose colour, including outer cap 1, top card
Ring 2, middle part snap ring 5 and chassis 7, above structure are made of light plastic material.The outer cap 1 is buckled in outside the snap ring 5 of middle part
Middle side part, the middle part snap ring 5 are arranged on the outside between top snap ring 2 and chassis 7, the top snap ring 2 and middle part snap ring 5
Between inner side filter 4 is installed, the both ends of filter 4 are equipped with sealing ring 3, and the middle part snap ring 5 extends internally shape
There is an aperture into the bottom of sample collection groove 8, the side of chassis 7 is provided with aspirating hole 6, and the inside bottom of chassis 7 is set
It is equipped with locating slot 9.
Described one end of aspirating hole 6 is connected with vacuum buffer bottle 14 by tracheae.
The sealing ring 3 is arranged on the bottom of top snap ring 2, the inner side of middle part snap ring 5 and the top of chassis 7 accordingly in groove,
Sealing ring make it that filter and installation site on the inside of top snap ring bottom, middle part snap ring are stable, between middle part snap ring and chassis
Installation site is stable.
The middle part snap ring 5 is connected with top snap ring 2 and the clamping of chassis 7 respectively, and correspondence position has snap ring, so as to
Enough clampings link together.
The top of vacuum buffer bottle 14 is provided with pipeline.
The pipe end is provided with triple valve 12, and the both ends of triple valve 12 are respectively arranged with air interface 13 and vacuum
Pump interface 11.
A kind of method of work of Special filtering membrane filter for the detection of liquid glucose colour, comprises the following steps:
Step 1:After filter assembling completely, top snap ring is screwed in the case where vacuumizing environment, decompressed;
Step 2:Filter membrane is covered on filter, liquid to be filtered is poured on filter membrane, logical triple valve is revolved, makes filter interior
Filtered under the state that vacuumizes;
Step 3:Filtrate is flowed into the beaker that chassis is placed by the sample collection groove in the snap ring of middle part;
Step 4:Triple valve is closed, beaker is taken out;Logical triple valve is revolved again, top snap ring is outwarded winding, and taking out filter membrane is
Can.
Illustrated below using the filtering of white granulated sugar liquid glucose:
Operation principle:Filter body is passed in and out by the folding control air-flow of triple valve, is in so as to reach in filter
Vacuumize and liquid glucose is filtered under state.
Concrete operation step:
Step 1:Appropriate white granulated sugar sample is carried out after fully dissolving, it is standby;
Step 2:The Special filtering membrane of liquid glucose is completely soaked with clean distilled water, it is stand-by;
Step 3:The outer cap 1 of filter is removed, the seal groove of top snap ring 2, middle part snap ring 5 and chassis 7 is bumped into conjunction
Suitable sealing ring 3, after dry clean beaker 10 is then put at the locating slot 9 on chassis 7, middle part snap ring 5 and chassis 7 are screwed;
Step 4:After filter 4 to be positioned over to the top of middle snap ring 5 first, after then putting immersion on filter 4
Liquid glucose Special filtering membrane, finally top snap ring 2 is lightly positioned on filter membrane;
Step 5:The switch of vavuum pump is opened, is controlled by triple valve 12 and rotates valve to the state of connection vavuum pump 11
Afterwards, the gas of filter interior is extracted by aspirating hole 6, and top snap ring is somewhat gently compressed, until ensuring in filter
Portion reaches top snap ring 2 and middle part snap ring 5 are screwed after the state of vacuumizing after, control triple valve 12, valve is rotated to connection
Air 13, filter interior vacuumize state stopping;
Step 6:Appropriate liquid glucose is poured into the filter membrane of filter top snap ring 2, then swivel tee valve 12 to connection
After the state of vavuum pump 11, the gas of filter interior is extracted by aspirating hole 6, and liquid glucose can be adopted by membrane filtration to sample
Flowed into after collecting groove 8 in beaker 10, collect gained filtrate after filtering;
Step 7:Triple valve 12 is rotated to connection air 13, middle part snap ring 5 and chassis 7 are outwarded winding, is taken out
Fill with the beaker 10 of filtrate;
Step 8:By another beaker for being used to contain waste liquid as in locating slot 9, middle part snap ring 5 and chassis 7 are revolved again
Tightly, triple valve 12 is rotated to the state of connection vavuum pump 11, the gas of filter interior is extracted by aspirating hole 6, gently
Gently outward winding top snap ring 2;
Step 9:Triple valve 12 is controlled, valve is rotated to connection air 13, filter interior vacuumizes state stopping, will
Middle part snap ring 5 and chassis 7 are outwarded winding again, and filter membrane and filter 4 are taken out, and filter membrane discards, filter 4, top snap ring 2 and middle part
Snap ring 5 is cleaned, standby.
Step 10:When carrying out multiple filtering sugar solution, it is only necessary to repeat operation of the above step 1 to step 9, filter
7, the chassis of device needs to clean up when once filtering is completed to the end, without being carried out repeatedly in filter process
Unpick and wash work.
Certainly, it is representative instance of the present utility model above, in addition, the utility model can also have other a variety of
Embodiment, all technical schemes formed using equivalent substitution or equivalent transformation, all falls within the requires of the utility model protection
Within the scope of.