CN109224562A - A kind of chemical filtration device and its working method - Google Patents
A kind of chemical filtration device and its working method Download PDFInfo
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- CN109224562A CN109224562A CN201811390111.2A CN201811390111A CN109224562A CN 109224562 A CN109224562 A CN 109224562A CN 201811390111 A CN201811390111 A CN 201811390111A CN 109224562 A CN109224562 A CN 109224562A
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- 238000001914 filtration Methods 0.000 title claims abstract description 104
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 38
- 239000007787 solid Substances 0.000 claims description 38
- 230000000694 effects Effects 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of chemical filtration device and its working methods comprising filtering bottle body, filter tunnel, surge flask, vacuum pump and fixed device；Wherein, there is fixed area on bottom plate, fixed area is used to form support to the lower part of filtering bottle body, fixed area includes groove, elastomeric annular body is provided in groove, the bottom for filtering bottle body is placed in elastic ring body, and rectangular frame is provided with outside elastomeric annular body, it is provided with through-hole on rectangular frame, is provided with moving member in through-hole.Filtering bottle body is placed into fixed area, play the role of gripping for bottle body by elastomeric annular body, simultaneously, it can also play the role of elastic buffer to bottle body, in addition, it by the movement of moving member, can play the role of compressing for elastomeric annular body, be fixedly clamped so that elastomeric annular body plays the fixed bottle body of internal clamp.
Description
Technical field
Technical field of the present invention belongs to Chemical Manufacture instrument field, in particular to a kind of for molten in chemically reacting
The device and working method of the filtering of liquid.
Background technique
In laboratory and Chemical Manufacture, the use of chemical filtration device is very universal.Chemical filtration device can be to molten
Liquid or suspended liquid are filtered processing, to play centrifugation to liquid and solid.
It is a kind of existing chemical filtration device as shown in Figure 1, mainly includes filtering bottle body 1, conduit 2, buffering bottle body 3
With vacuum pump 4, filters and be placed with funnel 5 on bottle body 1, filter paper or other types of filter medium are placed in funnel 5.Specifically
In application, providing subnormal ambient into filtering bottle body 3 by vacuum pump 4, liquid to be filtered is added in funnel 5, through filter paper
Filtration, the liquid to be filtered in funnel can be separated, so that solid is trapped in filter paper top, and liquid then flows
Enter into filtering flask body.
However, this device is in use, have the defects that certain, that is, be frequently necessary to two personnel and complete operation,
Wherein a personnel need hand-held filtering bottle body, in addition personnel's pouring liquid into funnel.Especially when filtering flask body body
When product is larger, such as the filtering bottle body of 5L or 10L, center of gravity is higher, and during the filtration process, filtering bottle body is easy to happen
The danger toppled over.
Summary of the invention
In order to solve the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of filtering flasks for filter device
Body plays stabilization, it is avoided to topple over dangerous filter device and its working method.
Invention thought of the invention: a fixed device is specially arranged to filtering bottle body, and the fixation device is with slow
Body is rushed, buffer body can play the role of gripping not only for bottle body, but also bottle body can be played and change protection into
Effect.
A kind of chemical filtration device comprising filtering bottle body, filter tunnel, surge flask, vacuum pump and fixed device；Filtering
Funnel setting is on filtering bottle body；Surge flask is connect by the first conduit with filtering bottle body；Vacuum pump passes through the second conduit and mistake
The connection of filter flask body；Fixed device has bottom plate, support rod and clamping piece, and the bottom of support rod is arranged in bottom plate, and clamping piece is fixed
On support rod, and one end of clamping piece grips the neck of filtering bottle body；Wherein, there is fixed area on bottom plate, it is fixed
Region is used to form support to the lower part of filtering bottle body, and fixed area includes groove, and elastomeric annular body, mistake are provided in groove
The bottom of filter flask body is placed in elastic ring body, and rectangular frame is provided with outside elastomeric annular body, is provided on rectangular frame
Through-hole is provided with moving member in through-hole.
The invention has the benefit that filtering bottle body is placed into fixed area, by elastomeric annular body for bottle body
Play the role of gripping, meanwhile, elastic buffer can also be played the role of to bottle body；In addition, the shifting for passing through moving member
It is dynamic, it can play the role of compressing for elastomeric annular body, so that elastomeric annular body plays folder for the fixed bottle body of internal clamp
The effect fastened.
One Preferable scheme is that, elastomeric annular body successively includes first annular body, the second annular solid and the from inside to outside
Three annular solids, first annular body have first internal thread hole of half of shape of multiple groups, and the second annular solid has half of shape of multiple groups
The second internal thread hole, the first internal thread hole and the second internal thread hole cooperatively form a threaded hole, are provided in threaded hole
Bolt.
By above scheme as it can be seen that then needing to adjust elasticity when needing replacing the filtering bottle body of different volumes size
The size of the clamping zone of annular solid, to take first annular body away, thus amplifies elastic ring at this point it is possible to unclamp bolt
The clamping zone of body；Alternatively, it is also possible to first annular body is placed into the inside of the second annular solid, and by bolt first
Annular solid and the second annular solid are fixed by the first Inner bolt holes and the second Inner bolt holes, to reduce clamping zone.
One Preferable scheme is that, supporter is additionally provided on bottom plate, is provided with batch box on supporter, is used in batch box
In loading liquid to be filtered, the stirring body of rod is provided in batch box, batch box is connect by conduit with filter tunnel, batch box
Lower part be provided with discharge port, discharge port is provided with electromagnetic valve, is provided with flowmeter on conduit, controller and flowmeter, electricity
The connection of magnet valve door.
By above scheme as it can be seen that liquid to be filtered is previously laid into batch box, by discharge port liquid gradually
It is flowed into filter tunnel, in this way, eliminating the nurse of staff, the filtering of all liq can be automatically performed, and save
The process of liquid is frequently added in staff into filter tunnel.Program can be pre-set, controller is controlled to filtering
The flow for the liquid being discharged in funnel, such as a hour are discharged into 1L, it is contemplated that the filter process having is very fast, and has filtered
Cheng Feichang is slow, and therefore, the flow that controller control batch box is added to the liquid in filter tunnel also should be according to practical feelings
Condition is adjusted.
One Preferable scheme is that, bottom plate has cavitation area, and elastomeric annular body is arranged in the surrounding of cavitation area；Void area
Support component is provided with below domain, support component includes sequentially connected substrate, motor, screw rod and supports plate body.
By above scheme as it can be seen that with this configuration, fixed height of the adjustable filtering bottle body in fixed area, in this way
The height adjustment of filtering bottle body is not only realized, but also can accordingly adjust what it was gripped according to the volume size of bottle body
Depth then can be improved when bottle body volume is larger and grip depth in cavitation area.
The working method of chemical filtration device provided by the invention includes the steps that following:
Filtering bottle body: being placed into fixed area by S1, so that solid area forms supporting role to the bottom of filtering bottle body；
S2: moving member is moved along through-hole, so that the interior lateral elastomeric annular body of moving member forms support and compresses effect, bullet
Property annular element to inward side to movement, thus to internal filtering bottle-shaped at gripping effect；
S3: vacuum pump is opened, liquid to be filtered is added into filter tunnel, liquid enters filtering by filter tunnel
In bottle body；
S4: when replacing different size of filtering bottle body, first moving member is moved in outward direction, so that bullet
Property annular solid for filter bottle body fixed function disappear, then replace another filtering bottle body, make again moving member to
Interior direction is mobile, so that the inside of moving member carries out elastomeric annular body to compress effect, so that elastomeric annular body is to filtering flask
Body formation grips effect.
One Preferable scheme is that, elastomeric annular body successively includes first annular body, the second annular solid and the from inside to outside
Three annular solids, first annular body have first internal thread hole of half of shape of multiple groups, and the second annular solid has half of shape of multiple groups
The second internal thread hole, the first internal thread hole and the second internal thread hole cooperatively form a threaded hole, are provided in threaded hole
Bolt；
The working method includes the steps that following:
In S3: bolt is taken away between the first internal thread hole and the second internal thread hole, so that first annular body and second
Connection function between annular solid disappears, and the first annular body of inner side is taken away, so that the second annular solid can accommodate
The bigger filtering bottle body of volume.
One Preferable scheme is that, supporter is additionally provided on bottom plate, is provided with batch box on supporter, is used in batch box
In loading liquid to be filtered, the stirring body of rod is provided in batch box, batch box is connect by conduit with filter tunnel, batch box
Lower part be provided with discharge port, discharge port is provided with electromagnetic valve, is provided with flowmeter on conduit, controller and flowmeter, electricity
The connection of magnet valve door；
The working method includes the steps that following:
Liquid to be filtered is put into batch box, the fluid flow of discharge port outflow is controlled by electromagnetic valve, is led to
It crosses conduit to be flowed into filter tunnel the liquid in batch box, starting stirring body of rod rotation, so that the stirring body of rod is to batch box
Interior liquid is stirred mixing.
One Preferable scheme is that, bottom plate has cavitation area, and elastomeric annular body is arranged in the surrounding of cavitation area；Void area
Support component is provided with below domain, support component includes sequentially connected substrate, motor, screw rod and supports plate body；
The working method includes the steps that following: starting motor work, motor drives screw mandrel work, so that Supporting plate exists
It is moved on vertical direction, to adjust the fixed height of filtering bottle body in the vertical direction.
Detailed description of the invention
Fig. 1 is a kind of existing structural schematic diagram of chemical filtration device.
Fig. 2 is the structural schematic diagram of chemical filtration device first embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the members section view state of chemical filtration device first embodiment of the present invention.
Fig. 4 is the elastic ring portion of chemical filtration device first embodiment of the present invention and the structural schematic diagram of rectangular frame.
Fig. 5 is the structural schematic diagram of the members section view state of chemical filtration device second embodiment of the present invention.
Fig. 6 is the structural schematic diagram in the elastic ring portion of chemical filtration device second embodiment of the present invention.
Fig. 7 is that the elastic ring portion of chemical filtration device second embodiment of the present invention cooperates the structure being fixedly connected with bolt
Schematic diagram.
Fig. 8 is the elastic ring portion of chemical filtration device second embodiment of the present invention and the structural schematic diagram of rectangular frame.
Fig. 9 is the structural schematic diagram of chemical filtration device 3rd embodiment of the present invention.
Figure 10 is the structural schematic diagram of chemical filtration device fourth embodiment of the present invention.
Figure 11 is the partial enlargement diagram of Fig. 5.
Wherein, appended drawing reference are as follows: 10, filtering bottle body；20, filter tunnel；30, surge flask；31, the first conduit；32, second
Conduit；40, vacuum pump；50, fixed device；51, bottom plate；52, support rod；53, clamping piece；54, rectangular frame；55, through-hole；
56, moving member；58, fixed area；59, elastomeric annular body；61, first annular body；62, the second annular solid；63, third annular
Body；64, the first internal thread hole；65, the second internal thread hole；66, bolt；70, supporter；71, batch box；72, the body of rod is stirred；
73, conduit；74, discharge port；76, electromagnetic valve；75, flowmeter；81, cavitation area；82, support component；83, substrate；84, silk
Bar；85, plate body is supported.
Specific embodiment
First embodiment:
As shown in Figures 2 to 4, the chemical filtration device of the present embodiment comprising filtering bottle body 10, filter tunnel 20, buffering
Bottle 30, vacuum pump 40 and fixed device 50.
The setting of filter tunnel 20 is on filtering bottle body 10.Surge flask 30 is connect by the first conduit 31 with filtering bottle body 10.
Vacuum pump 40 is connect by the second conduit 32 with filtering bottle body 10.Fixed device 50 has bottom plate 51, support rod 52 and clamping piece
53, the bottom of support rod 52 is arranged in bottom plate 51, and clamping piece 53 is fixed on support rod 52, and one end clamping of clamping piece 53 is solid
Surely the neck of bottle body 10 is filtered.The specific structure of clamping piece 53 is existing structure, can use the iron clamp structure on iron stand,
Clamping piece 53 can accordingly be adjusted according to the neck size of the filtering bottle body 10 of different volumes size.
Wherein, there is fixed area 58 on bottom plate 51, fixed area 58 is used to form support to the lower part of filtering bottle body 10,
Fixed area 58 includes groove, and elastomeric annular body 59 is provided in groove, and the bottom of filtering bottle body 10 is placed on elastic ring
In body 59, it is provided with rectangular frame 54 outside elastomeric annular body 59, through-hole 55, setting in through-hole 55 are provided on rectangular frame 54
There is moving member 56.Moving member 56 can be bolt arrangement, be provided with internal screw thread in through-hole 55, moving member 56 can be by through-hole
Position in 55 is mobile and realizes the squeezing action for elastomeric annular body 59, and elastomeric annular body 59 preferably uses rubber material system
At structure.
The working method of the chemical filtration device of the present embodiment includes the steps that following:
Filtering bottle body 10: being placed into fixed area 58 by S1, so that the bottom of 58 pairs of solid area filtering bottle bodies 10 is formed
Supporting role；
S2: moving member 56 is moved along through-hole 55, so that the interior lateral elastomeric annular body shape 53 of moving member 56 is supported at branch
Pressure effect, elastomeric annular body 59 is to inward side to movement, to grip effect to the internal formation of filtering bottle body 10；
S3: opening vacuum pump 40, and liquid to be filtered is added into filter tunnel 20, and liquid is entered by filter tunnel 20
Into filtering bottle body 10；
S4: it when replacing different size of filtering bottle body 10, moves moving member 56 in outward direction, makes
It obtains elastomeric annular body 59 and disappears for filtering the fixed function of bottle body 10, then replace another filtering bottle body, make again
Moving member 56 is to inward side to movement, so that the inside of moving member 56 carries out elastomeric annular body 59 to compress effect, so that elastic
59 pairs of filtering bottle body 10 formation of annular solid grip effect.It, can be certain since elastomeric annular body 59 has elasticity
The filtering bottle body of different volumes is applicable in range, and the moving member 56 of multiple positions setting then can be well for elastic ring
Body 59 and filtering bottle body 10 play extruding fixed function.
Second embodiment:
The present embodiment and above-mentioned first embodiment are essentially identical, are only discussed in detail below with regard to its difference.
As shown in Fig. 5-8, Figure 11, the elastomeric annular body 59 of the present embodiment from inside to outside successively include first annular body 61,
Second annular solid 62 and third annular solid 63, first internal thread hole 64 of the first annular body 61 with half of shape of multiple groups, second
Annular solid 62 has second internal thread hole 65 of half of shape of multiple groups, and the first internal thread hole 64 and the second internal thread hole 65 cooperate shape
At a threaded hole, bolt 66 is provided in threaded hole.The structure of first internal thread hole 64 and the second internal thread hole 65 is specific
It is semicircular groove body for section, two holes form a complete threaded hole after being oppositely arranged, and can be with by bolt
It is connected and fixed simultaneously for the first internal thread hole and the realization of the second internal thread hole 65, it can the first ring is realized by bolt arrangement
The connection and disassembly of body 61 and the second annular solid 62, use is very convenient, thus facilitates disassembly and fixation is first annular
Thus body 61 is applicable in the filtering bottle body 10 of different volumes size.Meanwhile second can also between annular solid 32 and third annular solid 63
To use this structure, the structure of connection and disassembly is realized by bolt 66.
The working method includes the steps that following:
In S3: bolt 66 is taken away between the first internal thread hole 64 and the second internal thread hole 65, so that first annular body
61 and the second connection function between annular solid 62 disappear, the first annular body 61 of inner side is taken away, so that the second ring
Body 62 can be bigger with receiving volume filtering bottle body.
3rd embodiment:
The present embodiment it is essentially identical with above-mentioned first embodiment, only its difference is discussed in detail below.
As shown in figure 9, being additionally provided with supporter 70 on the bottom plate 51 of the present embodiment, batch box is provided on supporter 70
71, batch box 71 is interior for loading liquid to be filtered, the stirring body of rod 72 is provided in batch box 71, batch box 71 passes through conduit
73 connect with filter tunnel 20, and the lower part of batch box 71 is provided with discharge port 74, and discharge port 74 is provided with electromagnetic valve 76, conduit
Flowmeter 75 is provided on 73, controller is connect with flowmeter 75, electromagnetic valve 76；
The working method includes the steps that following:
Liquid to be filtered is put into batch box 71, the liquid flow that discharge port 74 flows out is controlled by electromagnetic valve 76
Amount, is flowed into the liquid in batch box 71 in filter tunnel 20 by conduit 73, and the starting stirring body of rod 72 rotates, so that stirring
The body of rod 72 is stirred mixing to the liquid in batch box 71.
Fourth embodiment:
The present embodiment it is essentially identical with above-mentioned first embodiment, only its difference is discussed in detail below.
As shown in Figure 10, the bottom plate 51 of the present embodiment has cavitation area 81, and elastic ring is arranged in the surrounding of cavitation area 81
Body 59；Support component 82 is provided with below cavitation area 81, support component 82 includes sequentially connected substrate 83, motor, silk
Bar 84 and support plate body 85；
The working method includes the steps that following: starting motor work, motor drives screw mandrel 84 works, so that Supporting plate
85 move in the vertical direction, to adjust the fixed height of filtering bottle body 10 in the vertical direction.
It is the outside of elastomeric annular body to be provided with yoke configurations, yoke configurations are set in bullet in embodiment in others
Property annular solid on, by the effect of the fastener of yoke configurations, can be realized the tensioning function for yoke configurations, and then drive
It shrinks to elastomeric annular body globality, or drives the expansion of elastomeric annular body and the dilating effect for yoke configurations.
In addition, a liquid surface height sensor is arranged in filter tunnel, controller is connect with liquid surface height sensor, in this way can be real
When obtain liquid level, when height is lower than certain value, then can star electromagnetic valve, so that batch box 71 is to mistake
It filters and liquid to be filtered is added in funnel, use is very convenient, realizes the unattended purpose for being filtered operation.
Claims (8)
1. a kind of chemical filtration device characterized by comprising
Filter bottle body；
Filter tunnel is arranged on the filtering bottle body；
Surge flask is connect by the first conduit with the filtering bottle body；
Vacuum pump is connect by the second conduit with the filtering bottle body；
Fixed device, has bottom plate, support rod and clamping piece, and the bottom of the support rod is arranged in the bottom plate, the clamping
Part is fixed on the support rod, and one end of the clamping piece grips the neck of the filtering bottle body；
Wherein, there is fixed area on the bottom plate, the fixed area is used to form support to the lower part of the filtering bottle body,
The fixed area includes groove, is provided with elastomeric annular body in the groove, and the bottom of the filtering bottle body is placed on institute
It states in elastic ring body, rectangular frame is provided with outside the elastomeric annular body, through-hole is provided on the rectangular frame, it is described
Moving member is provided in through-hole.
2. chemical filtration device according to claim 1, which is characterized in that
The elastomeric annular body from inside to outside successively include first annular body, the second annular solid and third annular solid, described first
Annular solid has first internal thread hole of half of shape of multiple groups, and second annular solid has spiral shell in the second of half of shape of multiple groups
Pit, first internal thread hole and second internal thread hole cooperatively form a threaded hole, are arranged in the threaded hole
There is bolt.
3. chemical filtration device according to claim 2, which is characterized in that
Be additionally provided with supporter on the bottom plate, be provided with batch box on the supporter, in the batch box for load to
The liquid of filtering is provided with the stirring body of rod in the batch box, and the batch box is connect by conduit with the filter tunnel, institute
The lower part for stating batch box is provided with discharge port, and the discharge port is provided with electromagnetic valve, and flowmeter is provided on the conduit, control
Device processed is connect with the flowmeter, electromagnetic valve.
4. chemical filtration device according to claim 3, which is characterized in that
The bottom plate has cavitation area, and the elastomeric annular body is arranged in the surrounding of the cavitation area；
Be provided with support component below the cavitation area, the support component include sequentially connected substrate, motor, screw rod and
Support plate body.
5. the working method of chemical filtration device according to claim 4, which is characterized in that include the steps that following:
The filtering bottle body: being placed into the fixed area by S1, so that solid area forms the bottom of the filtering bottle body
Supporting role；
S2: moving member is moved along the through-hole, so that the interior lateral elastomeric annular body of moving member forms support and compresses work
With, the elastic ring piece to inward side to movement, thus to internal filtering bottle-shaped at gripping effect；
S3: vacuum pump is opened, liquid to be filtered is added into the filter tunnel, liquid enters filtering by filter tunnel
In bottle body；
S4: when replacing different size of filtering bottle body, first moving member is moved in outward direction, so that elastic ring
Body disappears for filtering the fixed function of bottle body, then replaces another filtering bottle body, makes moving member again inwardly
Direction is mobile, so that the inside of moving member carries out elastomeric annular body to compress effect, so that elastomeric annular body is to filtering bottle-shaped
It is acted at gripping.
6. the working method of chemical filtration device according to claim 1, which is characterized in that
The elastomeric annular body from inside to outside successively include first annular body, the second annular solid and third annular solid, described first
Annular solid has first internal thread hole of half of shape of multiple groups, and second annular solid has spiral shell in the second of half of shape of multiple groups
Pit, first internal thread hole and second internal thread hole cooperatively form a threaded hole, are arranged in the threaded hole
There is bolt；
The working method includes the steps that following:
In S3: bolt is taken away between the first internal thread hole and the second internal thread hole, so that first annular body and the second annular
Connection function between body disappears, and the first annular body of inner side is taken away, so that the second annular solid can be with receiving volume
Bigger filtering bottle body.
7. the working method of chemical filtration device according to claim 6, which is characterized in that
Be additionally provided with supporter on the bottom plate, be provided with batch box on the supporter, in the batch box for load to
The liquid of filtering is provided with the stirring body of rod in the batch box, and the batch box is connect by conduit with the filter tunnel, institute
The lower part for stating batch box is provided with discharge port, and the discharge port is provided with electromagnetic valve, and flowmeter is provided on the conduit, control
Device processed is connect with the flowmeter, electromagnetic valve；
The working method includes the steps that following:
Liquid to be filtered is put into batch box, the fluid flow of discharge port outflow is controlled by electromagnetic valve, by leading
Pipe is flowed into the liquid in batch box in filter tunnel, starting stirring body of rod rotation, so that the stirring body of rod is in batch box
Liquid is stirred mixing.
8. the working method of chemical filtration device according to claim 6, which is characterized in that
The bottom plate has cavitation area, and the elastomeric annular body is arranged in the surrounding of the cavitation area；Under the cavitation area
Side is provided with support component, and the support component includes sequentially connected substrate, motor, screw rod and supports plate body；
The working method includes the steps that following: starting motor work, motor drives screw mandrel work, so that Supporting plate is vertical
It is moved on direction, to adjust the fixed height of filtering bottle body in the vertical direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811390111.2A CN109224562A (en) | 2018-11-21 | 2018-11-21 | A kind of chemical filtration device and its working method |
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| CN201811390111.2A CN109224562A (en) | 2018-11-21 | 2018-11-21 | A kind of chemical filtration device and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383974A (en) * | 2022-03-23 | 2022-04-22 | 中南大学 | Device and method for measuring viscosity of low-fluidity paste |
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