CN107569895B - A kind of gradable Suction filtration device - Google Patents
A kind of gradable Suction filtration device Download PDFInfo
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- CN107569895B CN107569895B CN201710693724.2A CN201710693724A CN107569895B CN 107569895 B CN107569895 B CN 107569895B CN 201710693724 A CN201710693724 A CN 201710693724A CN 107569895 B CN107569895 B CN 107569895B
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Abstract
The invention discloses a kind of gradable Suction filtration devices, it is desirable to provide and it is a kind of easy to operate, while can be to avoid gradable Suction filtration device the problem of polluting laboratory sample because replacing filter membrane, influence the accuracy of measurement result.It include there is sealed internal chamber vacuumize cabinet, vacuumize lower box that cabinet includes upper end opening and for sealing the sealing upper cover for hiding the upper end opening of lower box, the lateral surface of the lower box, which is equipped with, vacuumizes interface, and sealing upper cover is that upper surface is equipped with the vertical spliced eye being connected with the sealed internal chamber for vacuumizing cabinet；And suitching type classified filtering device.
Description
Technical field
The present invention relates to a kind of Suction filtration devices, and in particular to a kind of gradable Suction filtration device.
Background technique
Many samples are solidliquid mixture in analysis detection experiment, such as waste water, Algae culture solution, sediment interstitial water
Deng can be measured respectively to two-phase after needing solid, liquid mutually to be separated.Current Suction filtration device generally by vacuum pump and
Filter device composition, filter device can only use a filter membrane every time.For more muddy water quality, it tends to be difficult to directly use hole
The lesser micropore of diameter (such as 0.22 micron) filter membrane crosses suction filtration, easily blocking microporous, leads to pressure increase on film；Excessive pressure can
It can destroy the original occurrence status of sample (if destroyed frustule, its intracellular fluid being caused to dissolve out and influence the original property of culture solution)；
Therefore, pre-filtering need to be carried out first with the filter membrane of larger aperture usually to remove large particulate matter, then replaces smaller aperture due filter membrane,
Pre-filtering liquid is subjected to secondary filter, this not only increases workload, while increasing experimental pollution risk, influences the standard of measurement result
True property.
Summary of the invention
It is a kind of easy to operate the purpose of the invention is to provide, while experiment can be polluted to avoid because replacing filter membrane
Sample, the gradable Suction filtration device for the problem of influencing the accuracy of measurement result.
The technical scheme is that
A kind of gradable Suction filtration device, comprising: vacuumize cabinet with sealed internal chamber, vacuumizing cabinet includes upper end
The sealing upper cover of the lower box of opening and the upper end opening for sealing screening lower box, the lateral surface of the lower box, which is equipped with, to be taken out very
Null interface, sealing upper cover are that upper surface is equipped with the vertical spliced eye being connected with the sealed internal chamber for vacuumizing cabinet；And switching
Formula classified filtering device.
Suitching type classified filtering device includes horizontal lower cylinder body, the horizontal upper cylinder body parallel with horizontal lower cylinder body, connection
The cylinder body connector of horizontal lower cylinder body and horizontal upper cylinder body, the first lower position block being arranged on horizontal lower cylinder body medial surface and the
Two lower position blocks, the lower switching being arranged in horizontal lower cylinder body and between the first lower position block and the second lower position block are living
Plug, the lower piston rod being connected with lower switching piston, the first upper limit position block and second being arranged on horizontal upper cylinder body medial surface
Upper limit position block, be arranged in upper switching piston in horizontal upper cylinder body and between the first upper limit position block and the second upper limit position block,
The upper piston rod that is connected with upper switching piston is arranged in horizontal lower cylinder body lateral surface and is connected with the inner cavity of horizontal lower cylinder body
Vertical lower insertion pipe, horizontal upper cylinder half outside is set and what is be connected with the inner cavity of horizontal upper cylinder body vertical goes up insertion pipe
And two classified filtering mechanisms being arranged between horizontal lower cylinder body and horizontal upper cylinder body, it is described to descend under insertion pipe and level vertically
Handover mouth between cylinder body is between the first lower position block and the second lower position block, and lower insertion pipe is plugged in vertical grafting vertically
In hole, and sealing ring is equipped between lower insertion pipe and vertical spliced eye vertically, the classified filtering mechanism include lower filtering body,
Be slidably located in it is lower filtering body on upper filtering body, setting the intracorporal lower filtering body of lower filter sheath, be arranged in upper filtering
Cover intracorporal upper filtering body, below horizontal upper cylinder body and the vertical upper joint sleeve that is connected with the inner cavity of horizontal upper cylinder body and
The vertical lower joint sleeve being connected above horizontal lower cylinder body and with the inner cavity of horizontal lower cylinder body, the lower filtering body with it is upper
It filters and is equipped with sealing ring between body；The upper end opening of the lower filtering body, the lower end closed of lower filtering body, and lower filtering
The outer bottom of body is equipped with underthrust female connector, and underthrust female connector is plugged in vertical lower joint sleeve, and underthrust female connector with vertically under connect
Sealing ring is equipped between female connector；The lower ending opening of the upper filtering body, the upper end closed of upper filtering body, and upper filtering body
Outer top surface be equipped with upper grafting set, upper grafting set is plugged in vertical upper joint sleeve, and upper grafting set and vertical upper joint sleeve
Between be equipped with sealing ring.
The gradable Suction filtration device of this programme is not only easy to operate, while can pollute reality to avoid because replacing filter membrane
The problem of testing sample, influencing the accuracy of measurement result.
Preferably, the first upper limit position block and the second upper limit position block are located at the vertical upper connection in Liang Ge classified filtering mechanism
Between set, first lower position block and the second lower position block be located at the vertical lower joint sleeve in Liang Ge classified filtering mechanism it
Between.
Preferably, lower filtering body includes being slidably arranged in the intracorporal low sleeve of lower filter sheath, being arranged on the outside of low sleeve
Sealing ring on face and the lower filtering film layer being arranged in low sleeve in the lower port of low sleeve and are located under lower filtering film layer
Side is equipped with lower cross brace；The upper filtering body includes being slidably arranged in the intracorporal upper sliding sleeve of filter sheath, being arranged in upper sliding sleeve
Sealing ring on lateral surface and the upper filtering film layer being arranged in upper sliding sleeve in the upper port of upper sliding sleeve and are located at upper filtering film layer
Top be equipped with upper cross brace；It is equipped in the lower filter sheath body and pre-tightens compressed spring, the upper end for pre-tightening compressed spring is against
In upper cross brace, the lower end for pre-tightening compressed spring is against in lower cross brace.This programme structure not only can be further advantageous
In the installation of classified filtering mechanism；And it is conveniently replaceable lower filtering body and upper filtering body.
Preferably, in same classified filtering mechanism: vertical lower joint sleeve and vertical upper joint sleeve are coaxial.
Preferably, being connected between upper piston rod and lower piston rod by operating stick.
Preferably, upper insertion pipe is equipped with the liquid storage cylinder of upper end opening vertically, the lower end of liquid storage cylinder is equipped with drain pipe, row
Liquid pipe is plugged in upper insertion pipe vertically, and is equipped with sealing ring between drain pipe and vertical upper insertion pipe.
Preferably, the lateral surface of lower box is equipped with the pressure of the air pressure for detecting the sealed internal chamber for vacuumizing cabinet
Table.
The beneficial effects of the present invention are: it is not only easy to operate, while experiment sample can be polluted to avoid because replacing filter membrane
Product, the problem of influencing the accuracy of measurement result.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of gradable Suction filtration device of the invention.
Fig. 2 is a kind of structural schematic diagram of suitching type classified filtering device of the invention.
In figure:
Vacuumize cabinet 1:
Lower box 1.1, seals upper cover 1.2, and vertical spliced eye 1.3 vacuumizes interface 1.4；
Suitching type classified filtering device 2:
Horizontal lower cylinder body 2.1, the first lower position block 2.11, lower switching piston 2.12, the second lower position block 2.13, lower piston
Bar 2.14；
Lower insertion pipe 2.2 vertically；
Classified filtering mechanism 2.3, lower filtering body 2.31, upper filtering body 2.32 pre-tighten compressed spring 2.33, upper filtering
Body 2.34, upper grafting set 2.35, vertical upper joint sleeve 2.36, vertical lower joint sleeve 2.37, underthrust female connector 2.38, lower filtering body
2.39；
Horizontal upper cylinder body 2.4, the first upper limit position block 2.41, upper switching piston 2.42, the second upper limit position block 2.43, upper piston
Bar 2.44；
Upper insertion pipe 2.5 vertically；Operating stick 2.6；
Liquid storage cylinder 3, drain pipe 3.1.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of gradable Suction filtration device, comprising: vacuumize cabinet 1 with sealed internal chamber, and cut
Change formula classified filtering device 2.
Vacuumize lower box 1.1 that cabinet includes upper end opening and for sealing the sealing upper cover for hiding the upper end opening of lower box
1.2.It seals and is equipped with sealing ring between upper cover and lower box.The lateral surface of lower box is equipped with and vacuumizes interface 1.4.It vacuumizes and connects
Mouth is connected with the sealed internal chamber for vacuumizing cabinet.Sealing upper cover be upper surface be equipped be connected with the sealed internal chamber for vacuumizing cabinet
Logical vertical spliced eye 1.3.The lateral surface of lower box is equipped with the pressure of the air pressure for detecting the sealed internal chamber for vacuumizing cabinet
Power table.
As shown in Figure 1 and Figure 2, suitching type classified filtering device include horizontal lower cylinder body 2.1, it is parallel with horizontal lower cylinder body
Horizontal upper cylinder body 2.4, the horizontal lower cylinder body of connection and horizontal upper cylinder body cylinder body connector, be arranged in horizontal lower cylinder body medial surface
On the first lower position block 2.11 and the second lower position block 2.13, be arranged in horizontal lower cylinder body and be located at the first lower position block with
Lower switching piston 2.12 between second lower position block, is arranged in level the lower piston rod 2.14 being connected with lower switching piston
The first upper limit position block 2.41 and the second upper limit position block 2.43 on upper cylinder body medial surface are arranged in horizontal upper cylinder body and are located at the
Upper switching piston 2.42 between one upper limit position block and the second upper limit position block, the upper piston rod being connected with upper switching piston
2.44, horizontal lower cylinder body lateral surface is set and the vertical lower insertion pipe 2.2 that is connected with the inner cavity of horizontal lower cylinder body, setting exist
Horizontal upper cylinder half outside and the vertical upper insertion pipe 2.5 being connected with the inner cavity of horizontal upper cylinder body and two are arranged under level
Classified filtering mechanism 2.3 between cylinder body and horizontal upper cylinder body.
Horizontal lower cylinder body is located at the lower section of horizontal upper cylinder body.The end of upper piston rod passes through horizontal upper cylinder body and is located at level
The outside of upper cylinder body.The end of lower piston rod passes through horizontal lower cylinder body and is located at the outside of horizontal upper cylinder body.The end of upper piston rod
Portion and the end of lower piston rod are located at the same side of suitching type classified filtering device.Pass through behaviour between upper piston rod and lower piston rod
Make bar 2.6 to be connected.
Vertical lower insertion pipe is located at the lower section of horizontal lower cylinder body.Vertical lower handover mouth between insertion pipe and horizontal lower cylinder body
Between the first lower position block and the second lower position block.Lower insertion pipe is plugged in vertical spliced eye vertically, and vertical underthrust
Sealing ring is equipped between adapter tube and vertical spliced eye.It is set on the lateral surface of vertical upper insertion pipe and above vertical spliced eye
There is insertion pipe limited block.
Vertical upper insertion pipe is located at the top of horizontal upper cylinder body.Handover mouth between vertical upper insertion pipe and horizontal upper cylinder body
Between the first upper limit position block and the second upper limit position block.Vertical upper insertion pipe is equipped with the liquid storage cylinder 3 of upper end opening.Liquid storage cylinder
Lower end be equipped with drain pipe 3.1.Drain pipe is plugged in upper insertion pipe vertically, and is equipped between drain pipe and vertical upper insertion pipe
Sealing ring.
Classified filtering mechanism includes lower filtering body 2.31, be slidably located in the lower upper filtering body filtered on body
2.32, it is arranged in the intracorporal lower filtering body 2.39 of lower filter sheath, setting in the intracorporal upper filtering body 2.34 of upper filter sheath, positioned at water
The vertical upper joint sleeve 2.36 that is connected below flat upper cylinder body and with the inner cavity of horizontal upper cylinder body and it is located above horizontal lower cylinder body
And the vertical lower joint sleeve 2.37 being connected with the inner cavity of horizontal lower cylinder body.In same classified filtering mechanism: vertical lower joint sleeve
It is coaxial with vertical upper joint sleeve.
The upper end opening of lower filtering body, the lower end closed of lower filtering body.The lower ending opening of upper filtering body, upper filtering
The upper end closed of body.Sealing ring is equipped between lower filtering body and upper filtering body.The outer bottom of lower filtering body is equipped with
Underthrust female connector 2.38.Underthrust female connector is plugged in vertical lower joint sleeve, and is equipped between underthrust female connector and vertical lower joint sleeve close
Seal.The outer top surface of upper filtering body is equipped with upper grafting set 2.35.Upper grafting set is plugged in vertical upper joint sleeve, and upper slotting
Sealing ring is equipped between female connector and vertical upper joint sleeve.
Lower filtering body includes being slidably arranged in the intracorporal low sleeve of lower filter sheath, the sealing being arranged on low sleeve lateral surface
Enclose and be arranged in the lower filtering film layer in low sleeve.In the lower port of low sleeve and it is located at the lower section of lower filtering film layer equipped with lower ten
Word bracket.Upper filtering body includes being slidably arranged in the intracorporal upper sliding sleeve of filter sheath, the sealing being arranged on upper sliding sleeve lateral surface
Enclose and be arranged in the upper filtering film layer in upper sliding sleeve.In the upper port of upper sliding sleeve and it is located at the top of upper filtering film layer equipped with upper ten
Word bracket.It is equipped in lower filter sheath body and pre-tightens compressed spring 2.33.The upper end for pre-tightening compressed spring is against in cross brace, in advance
The lower end of tight compressed spring is against in lower cross brace.
First upper limit position block and the second upper limit position block are located between the vertical upper joint sleeve in Liang Ge classified filtering mechanism.The
One lower position block and the second lower position block are located between the vertical lower joint sleeve in Liang Ge classified filtering mechanism.
The gradable Suction filtration device of the present embodiment it is specifically used as follows:
First, filtered sample collection cups 4 are put into lower box, sealing upper cover is then covered；
Vaccum-pumping equipment is connected with interface is vacuumized；
Vertical lower insertion pipe is plugged in vertical spliced eye, and the lower end of vertical lower insertion pipe is by filtered sample collection cups
Upper port protrude into filtered sample collection cups；
Lower switching piston is driven to be against on the second lower position block by operating stick, switching piston is against second upper limit in drive
On the block of position；
Drain pipe is plugged in upper insertion pipe vertically；
Laboratory sample to be processed is poured into liquid storage cylinder；
Second, it opens vaccum-pumping equipment and is vacuumized to cabinet is vacuumized；
As shown in Figure 1 and Figure 2, since lower switching piston is against the second lower position block, and upper switching piston is against second upper limit
On the block of position, thus the laboratory sample in liquid storage cylinder was carried out the classified filtering mechanism for being located at right side is flowed by horizontal upper cylinder body
Filter；In classified filtering mechanism: the upper filtering film layer that laboratory sample first passes through upper filtering body carries out pre-filtering to remove bulky grain
Substance；Then, the lower filtering film layer by lower filtering body carries out secondary filter；By the filtered liquid-like of classified filtering mechanism
By horizontal lower cylinder body and vertically, lower insertion pipe flows into filtered sample collection cups product；It can so be filtered simultaneously to avoid because of replacement
Film and the problem of pollute laboratory sample, influence the accuracy of measurement result.
In this process, operator can be observed by pressure gauge and vacuumize the intracorporal air pressure of case；When vacuumizing cabinet
When interior air pressure is lower than setting value, drives lower switching piston to be against on the first lower position block by operating stick, switch in drive and live
Plug is against on the first upper limit position block；To switch classified filtering mechanism, (the classified filtering mechanism positioned at right side stops working, and is located at
The classified filtering mechanism in left side starts to work), hereafter, the laboratory sample in liquid storage cylinder will be flowed by horizontal upper cylinder body is located at a left side
The classified filtering mechanism of side is filtered；By the filtered fluid sample of classified filtering mechanism by horizontal lower cylinder body and vertically
Lower insertion pipe flows into filtered sample collection cups；So pressure on film can be caused to increase to avoid the blockage of the micro orifice because of filtering film layer
Add, excessive pressure difference destroys the original occurrence status of sample and (if destroyed frustule, causes its intracellular fluid to dissolve out and to influence culture solution original
Property), the problem of influencing the accuracy of measurement result；And it is easy to operate.
It on the other hand, can be by shrinking lower filtering body and upper filtering body, thus easily by classified filtering mechanism
Lower filtering body is removed with upper filtering body, replaces with filtering body and lower filtering body, easy to operate.
Claims (5)
1. a kind of gradable Suction filtration device, characterized in that include:
Cabinet is vacuumized with sealed internal chamber, vacuumizes lower box and hide lower box for sealing that cabinet includes upper end opening
The sealing upper cover of upper end opening, the lateral surface of the lower box, which is equipped with, vacuumizes interface, sealing upper cover be upper surface be equipped with
Vacuumize the vertical spliced eye that the sealed internal chamber of cabinet is connected；And
Suitching type classified filtering device；
The suitching type classified filtering device includes horizontal lower cylinder body, the horizontal upper cylinder body parallel with horizontal lower cylinder body, connection
The cylinder body connector of horizontal lower cylinder body and horizontal upper cylinder body, the first lower position block being arranged on horizontal lower cylinder body medial surface and the
Two lower position blocks, the lower switching being arranged in horizontal lower cylinder body and between the first lower position block and the second lower position block are living
Plug, the lower piston rod being connected with lower switching piston, the first upper limit position block and second being arranged on horizontal upper cylinder body medial surface
Upper limit position block, be arranged in upper switching piston in horizontal upper cylinder body and between the first upper limit position block and the second upper limit position block,
The upper piston rod that is connected with upper switching piston is arranged in horizontal lower cylinder body lateral surface and is connected with the inner cavity of horizontal lower cylinder body
Vertical lower insertion pipe, horizontal upper cylinder half outside is set and what is be connected with the inner cavity of horizontal upper cylinder body vertical goes up insertion pipe
And two classified filtering mechanisms being arranged between horizontal lower cylinder body and horizontal upper cylinder body, it is described to descend under insertion pipe and level vertically
Handover mouth between cylinder body is between the first lower position block and the second lower position block, and lower insertion pipe is plugged in vertical grafting vertically
In hole, and sealing ring is equipped between vertical lower insertion pipe and vertical spliced eye,
The classified filtering mechanism include it is lower filtering body, be slidably located in it is lower filtering body on upper filtering body, setting exist
The intracorporal lower filtering body of lower filter sheath, setting in the intracorporal upper filtering body of upper filter sheath, be located at below horizontal upper cylinder body and and water
The vertical upper joint sleeve that the inner cavity of flat upper cylinder body is connected and the inner cavity phase above horizontal lower cylinder body and with horizontal lower cylinder body
The vertical lower joint sleeve of connection is equipped with sealing ring between the lower filtering body and upper filtering body；
The upper end opening of the lower filtering body, the lower end closed of lower filtering body, and the outer bottom of lower filtering body is equipped with
Underthrust female connector, underthrust female connector are plugged in vertical lower joint sleeve, and sealing ring is equipped between underthrust female connector and vertical lower joint sleeve；
The lower ending opening of the upper filtering body, the upper end closed of upper filtering body, and the outer top surface of upper filtering body is equipped with
Upper grafting set, upper grafting set are plugged in vertical upper joint sleeve, and are equipped with sealing ring between upper grafting set and vertical upper joint sleeve；
First upper limit position block and the second upper limit position block are located between the vertical upper joint sleeve in Liang Ge classified filtering mechanism, institute
It states the first lower position block and the second lower position block is located between the vertical lower joint sleeve in Liang Ge classified filtering mechanism；
It is connected between the upper piston rod and lower piston rod by operating stick.
2. the gradable Suction filtration device of one kind according to claim 1, characterized in that the lower filtering body includes that sliding is set
It sets in the intracorporal low sleeve of lower filter sheath, the sealing ring being arranged on low sleeve lateral surface and the lower filtering being arranged in low sleeve
The upper port of film layer, low sleeve is interior and is located at the top of lower filtering film layer equipped with lower cross brace；The upper filtering body includes sliding
It is dynamic that the intracorporal upper sliding sleeve of upper filter sheath, the sealing ring being arranged on upper sliding sleeve lateral surface are set and are arranged in upper in upper sliding sleeve
Film layer is filtered, the lower port of upper sliding sleeve is interior and is located at the lower section of upper filtering film layer equipped with upper cross brace；The lower filtering body
Interior be equipped with pre-tightens compressed spring, and the upper end for pre-tightening compressed spring is against in cross brace, and the lower end for pre-tightening compressed spring is against
In lower cross brace.
3. the gradable Suction filtration device of one kind according to claim 1, characterized in that in same classified filtering mechanism: perpendicular
Straight lower joint sleeve and vertical upper joint sleeve are coaxial.
4. the gradable Suction filtration device of one kind according to claim 1, characterized in that the insertion pipe upper vertically is equipped with
The liquid storage cylinder of upper end opening, the lower end of liquid storage cylinder are equipped with drain pipe, and drain pipe is plugged in upper insertion pipe vertically, and drain pipe with
Sealing ring is equipped between upper insertion pipe vertically.
5. the gradable Suction filtration device of one kind according to claim 1, characterized in that the lateral surface of lower box, which is equipped with, to be used
The pressure gauge of the air pressure of the sealed internal chamber of cabinet is vacuumized in detection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693724.2A CN107569895B (en) | 2017-08-14 | 2017-08-14 | A kind of gradable Suction filtration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693724.2A CN107569895B (en) | 2017-08-14 | 2017-08-14 | A kind of gradable Suction filtration device |
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| Publication Number | Publication Date |
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| CN107569895A CN107569895A (en) | 2018-01-12 |
| CN107569895B true CN107569895B (en) | 2019-09-03 |
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ID=61034551
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| CN201710693724.2A Active CN107569895B (en) | 2017-08-14 | 2017-08-14 | A kind of gradable Suction filtration device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386981A (en) * | 2020-10-30 | 2021-02-23 | 西藏大学 | DNA suction filtration device |
| CN113967658B (en) * | 2021-09-27 | 2022-08-30 | 嘉兴职业技术学院 | Terylene textile secondary recycling treatment device |
| CN114588682B (en) * | 2022-01-12 | 2023-08-04 | 中国矿业大学 | Vacuum filtration-mechanical extrusion integrated coal gasification fine slag continuous dehydration cavity and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202010462U (en) * | 2010-12-23 | 2011-10-19 | 锦州港船舶燃料供应有限责任公司 | Fuel oil cleansing and filtering device |
| CN203899243U (en) * | 2014-06-07 | 2014-10-29 | 中国科学院南京地理与湖泊研究所 | Synchronous suction filtration device for different grain diameters by layers |
-
2017
- 2017-08-14 CN CN201710693724.2A patent/CN107569895B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202010462U (en) * | 2010-12-23 | 2011-10-19 | 锦州港船舶燃料供应有限责任公司 | Fuel oil cleansing and filtering device |
| CN203899243U (en) * | 2014-06-07 | 2014-10-29 | 中国科学院南京地理与湖泊研究所 | Synchronous suction filtration device for different grain diameters by layers |
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