CN206837589U - Vacuum filtration device - Google Patents
Vacuum filtration device Download PDFInfo
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- CN206837589U CN206837589U CN201720640191.7U CN201720640191U CN206837589U CN 206837589 U CN206837589 U CN 206837589U CN 201720640191 U CN201720640191 U CN 201720640191U CN 206837589 U CN206837589 U CN 206837589U
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- filter
- bottle
- liquid storage
- filtration device
- vacuum filtration
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Abstract
Experimental instrument field is the utility model is related to, discloses a kind of Vacuum filtration device, the Vacuum filtration device includes filter, bottle,suction and vavuum pump；The filter includes sand core filter and liquid storage cylinder, and the core of the sand core filter is located at the top of the sand core filter, and the bottom of the liquid storage cylinder is connected to the core, and the liquid storage cylinder is encircled into the liquid storage cylinder of upper end open with the core；The bottle mouth sleeve of the bottle,suction is located at the lower end of the sand core filter, and the top of the bottle,suction is provided with bleeding point, and the bottom of the bottle,suction is provided with leakage fluid dram；The vavuum pump is connected to the bleeding point by gas passage, and the gas passage is located in refrigerating box.The utility model when filtering the gas taken away of vavuum pump first by the gas passage in refrigerating box, lower boiling organic solvent can the cooling liquid in gas passage, avoid enter into vavuum pump, protective effect served to vavuum pump.
Description
Technical field
Experimental instrument field is the utility model is related to, more particularly to a kind of Vacuum filtration device.
Background technology
Vacuum filtration operation is widely used in chemical experiment, is the conventional means of separation of solid and liquid, and in general is filtered by vacuum
Device is made up of Buchner funnel, rubber blanket and bottle,suction, the bleeding point connection vavuum pump of bottle,suction.When the liquid of solidliquid mixture
In organic solvent be present, particularly low boiling point organic solvent ratio is higher, and when vacuum is also higher, organic in liquid
Solvent is likely to vaporize and be directly pumped into vavuum pump during suction filtration, and these organic solvents can be situated between to the circulation in vavuum pump
Matter has an impact, and can not reclaim, and causes to waste.
Utility model content
The utility model to solve be during suction filtration low boiling point organic solvent easily vaporize, irretrievable problem.
In order to solve the above problems, the utility model provides a kind of Vacuum filtration device, and the Vacuum filtration device includes
Filter, bottle,suction and vavuum pump；The filter includes sand core filter and liquid storage cylinder, the sand core filter
Core is located at the top of the sand core filter, and the bottom of the liquid storage cylinder is connected to the core, the liquid storage cylinder with it is described
Core is encircled into the liquid storage cylinder of upper end open；The bottle mouth sleeve of the bottle,suction is located at the lower end of the sand core filter, described to take out
The top of filter flask is provided with bleeding point, and the bottom of the bottle,suction is provided with leakage fluid dram, and the leakage fluid dram is circumscribed with flexible pipe, described soft
Pipe is outer to be arranged with tongs；The vavuum pump is connected to the bleeding point by gas passage, and the gas passage is located at refrigeration
In case.
Preferably, the gas passage is obliquely installed, and the connection end of the gas passage and bottle,suction is higher than institute
State the connection end of gas passage and the vavuum pump.
Preferably, branch pipe straight down is provided with close to the position of the vavuum pump on the gas passage,
The lower end of the branch pipe is connected with receiving bottle.
Preferably, the filter includes cover, and the cover can be covered on the nozzle of the liquid storage cylinder, institute
State and through hole is provided with the center of liquid storage cover.
Preferably, the filter includes agitating paddle, and the agitating paddle includes connecting rod and is fixed on described
The oar body of connecting rod lower end, the connecting rod run through the through hole, and the oar body is close to the cylinder bottom of the liquid storage cylinder.
Preferably, the agitating paddle is made up of polytetrafluoroethylene (PTFE).
Preferably, the bleeding point connects the gas passage by triple valve, and the triple valve has first
Outlet, second outlet and the 3rd outlet, the first outlet connect the bleeding point, and the second outlet connects the gas and led to
Road, the 3rd outlet and atmosphere.
Preferably, there are the first flange, the top of the sand core filter in the bottom of the liquid storage cylinder to circumferentially extending
There is the second flange in portion to circumferentially extending, and the diameter of first flange is identical with the diameter of second flange.
Preferably, the filter includes spring clip, and the spring clip is by first flange and described
Two flanges clamp.
Preferably, the filter includes filter membrane, and the filter membrane is covered in the upper surface of the core, and presss from both sides
In stating between the first flange and second flange.
The utility model provides a kind of Vacuum filtration device, including filter, bottle,suction and vavuum pump, bottle,suction
Bleeding point is connected to the vavuum pump by gas passage, and the gas passage is spiral shape, is placed in refrigerating box.So,
The gas that vavuum pump is taken away when filtering is existed by the gas passage in refrigerating box, lower boiling organic solvent first
Cooling liquid in gas passage, is avoided enter into vavuum pump, serves protective effect to vavuum pump, while can also will be in gas
The organic solvent recovery liquefied in path, avoids waste.
Brief description of the drawings
Fig. 1 is the structural representation of the Vacuum filtration device in the utility model embodiment；
Fig. 2 is the structural representation of the triple valve in the utility model embodiment.
Wherein, 1, filter；11st, sand core filter；111st, the second flange；12nd, liquid storage cylinder；121st, the first flange；13、
Core；14th, cover；15th, agitating paddle；16th, connecting rod；17th, oar body；18th, spring clip；
2nd, bottle,suction；21st, bleeding point；22nd, leakage fluid dram；23rd, flexible pipe；24th, tongs；25th, gas passage；26th, refrigerating box；
27th, triple valve；271st, first outlet；272nd, second outlet；273rd, the 3rd outlet；28th, branch pipe；29th, receiving bottle；
3rd, vavuum pump.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
As shown in figure 1, a kind of Vacuum filtration device of the utility model preferred embodiment, it includes filter 1, filtered
Bottle 2 and vavuum pump 3；The filter 1 includes sand core filter 11 and liquid storage cylinder 12, the core of the sand core filter 11
13 are located at the top of the sand core filter 11, and the bottom of the liquid storage cylinder 12 is connected to the core 13, the liquid storage cylinder 12
It is encircled into the liquid storage cylinder of upper end open with the core 13, during filtering, mixture to be filtered is placed in the cavity；The suction filtration
The bottle mouth sleeve of bottle 2 is located at the lower end of the sand core filter 11, and the top of the bottle,suction 2 is provided with bleeding point 21, the suction filtration
The bottom of bottle 2 is provided with leakage fluid dram 22, and the leakage fluid dram 22 is circumscribed with flexible pipe 23, and tongs 24 is arranged with outside the flexible pipe 23；
The vavuum pump 3 is connected to the bleeding point 21 by gas passage 25, and the gas passage 25 is spiral shape, is placed in refrigerating
In case 26.
Thus, during filtering, mixture to be filtered is placed in liquid storage cylinder, starts vavuum pump 3, the air in bottle,suction 2 leads to
Cross gas passage 25 to be pumped, as the air pressure in bottle,suction 2 reduces, the liquid in mixture to be filtered is flowed into by core 13
In bottle,suction 2, suction filtration process is completed, then opens tongs 24, liquid portion is discharged from leakage fluid dram 22.When mixture to be filtered
In liquid in when being mixed with the low boiling point organic solvent of higher proportion, these low boiling point organic solvents can gas during suction filtration
Change, but when suction is placed in the gas passage 25 in refrigerating box 26, as temperature reduces, organic solvents of these gasifications can weigh
New liquefaction, stays in gas passage 25, so reduces into the organic solvent in vavuum pump 3, protection is served to vavuum pump 3
Effect, meanwhile, the organic solvent recovery that can be will be left in gas passage 25, reduce waste.
When it is implemented, preferably, the gas passage 25 is obliquely installed, the gas passage 25 and the company of bottle,suction 2
End is connect higher than the gas passage 25 and the connection end of the vavuum pump 3.When being attached with pollutant on the inwall of gas passage 25
When, it can so avoid the low boiling point organic solvent for being condensed into liquid from flowing back to bottle,suction 2, pollute the liquid in bottle,suction 2.
As shown in figure 1, when it is implemented, preferably, set on the gas passage 25 close to the position of the vavuum pump 3
There is branch pipe 28 straight down, the lower end of the branch pipe 28 is connected with receiving bottle 29.So, chilled organic solvent can lead to
Cross the branch pipe 28 to flow into receiving bottle 29, be easy to reclaim.
As shown in figure 1, when it is implemented, preferably, the filter 1 includes cover 14, the cover 14 can cover
Through hole is provided with the center that the nozzle of the liquid storage cylinder 12, the liquid storage cylinder 12 cover.The dust in air can so be avoided
Fall into mixture to be filtered, maintain the cleaning of thing to be filtered.
As shown in figure 1, when it is implemented, preferably, the filter 1 includes agitating paddle 15, the agitating paddle 15 wraps
Include connecting rod 16 and be fixed on the oar body 17 of the lower end of connecting rod 16, the connecting rod 16 runs through the through hole, the oar body
17 close to the cylinder bottom of the liquid storage cylinder 12.When mixture viscosity to be filtered is larger, solid particle is thinner, pass through agitating paddle 15
Stirring can avoid filter opening from being blocked, and accelerate filter course, improve filter efficiency.In the present embodiment, the agitating paddle 15 is by gathering
Tetrafluoroethene is made.
As shown in Fig. 2 when it is implemented, preferably, the bleeding point 21 connects the gas passage by triple valve 27
25, the triple valve 27 has first outlet 271, the outlet of second outlet 272 and the 3rd 273, and the first outlet 271 connects institute
Bleeding point 21 is stated, the second outlet 272 connects the gas passage 25, the 3rd outlet 273 and atmosphere.So may be used
To adjust the speed of evacuation by adjusting the aperture of triple valve 27, suction filtration is steadily carried out, avoid filtering and too fast cause bottle,suction 2
Middle liquid bumping.Suction bottle and atmosphere can be made by rotating triple valve 27 in liquid bumping, so as to stop bumping.
As shown in figure 1, when it is implemented, preferably, there is the first flange the bottom of the liquid storage cylinder 12 to circumferentially extending
121, there is the second flange 111 at the top of the sand core filter 11 to circumferentially extending, the diameter of first flange 121 with it is described
The diameter of second flange 111 is identical.The filter 1 includes spring clip 18, and the spring clip 18 is by first flange 121
Clamped with second flange 111.The liquid storage cylinder 12 and the sand core filter 11 can so be clamped, avoid leakage.
When it is implemented, preferably, the filter 1 includes filter membrane, the filter membrane is covered in the upper of the core 13
Surface, and be sandwiched in and state between the first flange 121 and second flange 111.Filter membrane can be so selected according to specific needs
Aperture, complete to filter.In the present embodiment, the filter membrane is cellulose mixture miillpore filter, and its aperture is 0.2~0.45 μm；Institute
The aperture of core 13 for stating sand core filter 11 is 4.5~9 μm.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
Enter and replace and also should be regarded as the scope of protection of the utility model.
Claims (10)
1. Vacuum filtration device, it is characterised in that including：
Filter, the filter include sand core filter and liquid storage cylinder, and the core of the sand core filter is positioned at described
The top of sand core filter, the bottom of the liquid storage cylinder are connected to the core, and the liquid storage cylinder is encircled into the core
The liquid storage cylinder of end opening；
Bottle,suction, the bottle mouth sleeve of the bottle,suction are located at the lower end of the sand core filter, and the top of the bottle,suction, which is provided with, takes out
Gas port, the bottom of the bottle,suction are provided with leakage fluid dram, and the leakage fluid dram is circumscribed with flexible pipe, and sealing is provided with the hose overcoat
Folder；
Vavuum pump, the vavuum pump are connected to the bleeding point by gas passage, and the gas passage is located in refrigerating box.
2. Vacuum filtration device as claimed in claim 1, it is characterised in that：The gas passage is obliquely installed, the gas
The connection end of path and bottle,suction is higher than the gas passage and the connection end of the vavuum pump.
3. Vacuum filtration device as claimed in claim 1, it is characterised in that：Close to the vavuum pump on the gas passage
Position be provided with branch pipe straight down, the lower end of the branch pipe is connected with receiving bottle.
4. Vacuum filtration device as claimed in claim 1, it is characterised in that：The filter includes cover, the cover
The nozzle of the liquid storage cylinder can be covered on, through hole is provided with the center of the liquid storage cover.
5. Vacuum filtration device as claimed in claim 4, it is characterised in that：The filter includes agitating paddle, described to stir
Mixing oar includes connecting rod and is fixed on the oar body of the connecting rod lower end, and the connecting rod runs through the through hole, and the oar body connects
The cylinder bottom of the nearly liquid storage cylinder.
6. Vacuum filtration device as claimed in claim 5, it is characterised in that：The agitating paddle is made up of polytetrafluoroethylene (PTFE).
7. Vacuum filtration device as claimed in claim 1, it is characterised in that：The bleeding point connects the gas by triple valve
There is first outlet, second outlet and the 3rd outlet, the first outlet to connect the bleeding point for body path, the triple valve,
The second outlet connects the gas passage, the 3rd outlet and atmosphere.
8. Vacuum filtration device as claimed in claim 1, it is characterised in that：The bottom of the liquid storage cylinder has to circumferentially extending
There are the second flange, the diameter of first flange and described second in one flange, the top of the sand core filter to circumferentially extending
The diameter of flange is identical.
9. Vacuum filtration device as claimed in claim 8, it is characterised in that：The filter includes spring clip, the bullet
Spring folder clamps first flange and second flange.
10. Vacuum filtration device as claimed in claim 8, it is characterised in that：The filter includes filter membrane, the filter membrane
The upper surface of the core is covered in, and is sandwiched in and states between the first flange and second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640191.7U CN206837589U (en) | 2017-06-02 | 2017-06-02 | Vacuum filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640191.7U CN206837589U (en) | 2017-06-02 | 2017-06-02 | Vacuum filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206837589U true CN206837589U (en) | 2018-01-05 |
Family
ID=60798233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640191.7U Active CN206837589U (en) | 2017-06-02 | 2017-06-02 | Vacuum filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206837589U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801747A (en) * | 2018-04-12 | 2018-11-13 | 华东师范大学 | A kind of batch prepares the device of small size filtrate sample |
| CN110604953A (en) * | 2019-08-14 | 2019-12-24 | 河南佰利联新材料有限公司 | Suction filtration system and suction filtration method thereof |
| CN111569494A (en) * | 2020-05-20 | 2020-08-25 | 赵本宣 | High-efficient portable suction filter device |
| CN113425656A (en) * | 2021-06-25 | 2021-09-24 | 海南九面通科技有限公司 | Preparation method of aloe facial cleanser |
-
2017
- 2017-06-02 CN CN201720640191.7U patent/CN206837589U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801747A (en) * | 2018-04-12 | 2018-11-13 | 华东师范大学 | A kind of batch prepares the device of small size filtrate sample |
| CN110604953A (en) * | 2019-08-14 | 2019-12-24 | 河南佰利联新材料有限公司 | Suction filtration system and suction filtration method thereof |
| CN111569494A (en) * | 2020-05-20 | 2020-08-25 | 赵本宣 | High-efficient portable suction filter device |
| CN113425656A (en) * | 2021-06-25 | 2021-09-24 | 海南九面通科技有限公司 | Preparation method of aloe facial cleanser |
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