CN219922316U - Assembly structure of experimental suction filtration device - Google Patents
Assembly structure of experimental suction filtration device Download PDFInfo
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- CN219922316U CN219922316U CN202320217545.2U CN202320217545U CN219922316U CN 219922316 U CN219922316 U CN 219922316U CN 202320217545 U CN202320217545 U CN 202320217545U CN 219922316 U CN219922316 U CN 219922316U
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- Prior art keywords
- suction filtration
- bottle
- filtration device
- assembly structure
- experimental
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- 238000000967 suction filtration Methods 0.000 title claims abstract description 73
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 22
- 239000010985 leather Substances 0.000 claims abstract description 14
- 239000000706 filtrate Substances 0.000 claims abstract description 12
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 6
- 230000008719 thickening Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000005388 borosilicate glass Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an assembly structure of an experimental suction filtration device, which comprises a Buchner funnel, a suction filtration bottle, bottle stoppers, a measuring cylinder frame, a filtrate measuring cylinder, an exhaust pipe, a cock, a leather pipe and a vacuum pump, wherein the assembly structure of the experimental suction filtration device is provided with a standard pressure regulating valve, is convenient for regulating vacuum degree and pumping speed, is provided with a buffer bottle and a filter core, has the advantage of effectively preventing liquid from being directly sucked into the vacuum pump, and simultaneously drives two suction filtration devices, the other end of the exhaust pipe is connected with the triangular bottle through the filter for preventing the problem of reverse suction of the filtrate, and an aluminum alloy clip is used for fixing a glass funnel and a filter membrane base; the utility model relates to an assembling structure of an experimental suction filtration device, which has the advantages of improving efficiency and reducing back suction of filtrate to a greater extent.
Description
Technical Field
The utility model relates to a suction filtration device, in particular to an experimental suction filtration device, belongs to the technical field of chemical experimental equipment, relates to the technical field of mechanical assembly, and particularly relates to an assembly structure.
Background
In chemical experiments, for samples which are not easy to realize solid-liquid separation in a filtering mode under normal pressure, a suction pump is generally used for carrying out suction filtration on the samples, so that the pressure difference at two sides of a filter membrane (core) is increased, and the purpose of solid-liquid separation is realized. The suction filtration device commonly used at present mainly comprises a Buchner funnel, a suction filtration bottle and an air extraction device. The suction bottle is mainly a glassware, is a type of flask, and is provided with a lateral suction opening at a pipe orifice for being connected with a vacuum device. The buchner funnel is arranged on the suction filtration bottle, thus forming a simple suction filtration device. When in use, the air is exhausted through the air exhaust opening of the air exhaust device (generally a vacuum pump), so that the inside of the suction filter bottle is vacuumized, thereby sucking the liquid on the suction filter seat into the suction filter bottle, and the solid is blocked by the filter paper or the filter piece in the suction filter seat, so as to realize solid-liquid separation.
An experimental suction filtration device with the application number of CN203678063U is not provided with a pressure adjusting device, so that the suction filtration speed is too high or too low, the suction filtration process is uncontrollable, and the operation difficulty of the suction filtration is improved; meanwhile, the filtering time is too long, so that the filtering holes on the filtering membrane are easily blocked, and the filtering efficiency is reduced, so that improvement on the mounting structure of the filtering device is needed, and the filtering efficiency is improved.
The suction filtration device generally uses a vacuum pump to make the filter flask negative pressure, so as to achieve the purpose of solid-liquid separation. At present, a suction filtration device for common indoor experiments in China is mainly formed by connecting a Buchner funnel or a sand core funnel with a filter flask, the Buchner funnel is slow in suction filtration, and a membrane is easy to break; the sand core hopper is more used, but the whole operation process of the device is more complex.
Disclosure of Invention
The utility model aims to provide an assembly structure of an experimental suction filtration device, which can rapidly and accurately measure the thickness of a filter cake and the volume of filtrate, improve experimental efficiency and accuracy, and solve the problems of complicated assembly and disassembly processes and long filter membrane replacement time of the traditional suction filtration device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an experimental suction filtration device's assembly structure, includes buchner funnel and vacuum pump, buchner funnel's below is fixed with the bottle plug through the suit, buchner funnel lower part is connected with the suction filtration bottle, the bottle plug has sealedly, airtight characteristic, bottle plug bottom left side is fixed with the graduated flask frame through the suit, the graduated flask frame is fixed with the filtrate graduated flask through the graduated flask frame, the bottom right side of bottle plug is fixed with the blast pipe through the suit, the blast pipe passes through the bottle plug and links to each other with lower part suction filtration bottle, the upper portion of blast pipe has the cock, the vacuum pump links to each other with the leather tube through left part and leather tube and inserts left portion suction filtration bottle, the vacuum pump right-hand member is connected with the leather tube, the leather tube is connected with the filter, the filter right-hand member links to each other with the glass triangle bottle, the glass funnel bottom is equipped with the filter membrane, the filter membrane links to each other with the below triangle bottle, it is used for fixing top glass funnel and below filter membrane base to press from top to have aluminium alloy clip.
Preferably, the assembly structure of the suction filtration device comprises a pressure regulating valve, the top of the pressure regulating valve is provided with a pressure regulating knob, a thickened diaphragm is arranged below the pressure regulating knob, an LB bracket is arranged below the thickened diaphragm, the bottommost part of the pressure regulating valve is an aluminum alloy body, a pure copper top core is arranged inside the pressure regulating valve, a strong spring is arranged inside the pressure regulating valve, the left end of the aluminum alloy body is provided with an air inlet, and the right end of the aluminum alloy body is provided with an air outlet.
Preferably, the buchner funnel is made of glass and is hollow at the bottom.
Preferably, the bottle plug and the suction filtration bottle are in a sealed state and airtight.
Preferably, the other end of the vacuum pump is connected with a filter at the left part of the triangular flask through a leather hose.
Preferably, the glass funnel and the lower filter membrane are fixed through an aluminum alloy clip.
Preferably, the filter is made of high borosilicate glass, has high flow rate and good pressure resistance and sealing performance, and the aluminum alloy clip is made of anode aluminum and has certain chemical corrosion resistance.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides an experimental suction filtration device's assembly structure's vacuum pump left part is being connected out with the leather hose and is equipped with the air-vent valve, and the air-vent valve can play the effect of regulating pressure, makes the suction filtration process more stable, avoids the suction filtration to be fast or too slow to reduce the operation degree of difficulty, simultaneously, can effective control suction filtration time, shorten suction filtration time, reduce because of the filtration time overlength blocks up the filtration pore on the filter membrane, thereby provides suction filtration efficiency.
2. This vacuum pump of assembly structure of experiment suction filtration device connects two different suction filtration devices, can satisfy the work demand under the different circumstances, improves work efficiency. Simplifying and saving experimental facilities; the occupied area is saved. (if the situation requires, the expansion buffer tank can be configured to meet the actual requirement)
3. The glass funnel and the filter membrane base of the assembly structure of the experimental suction filtration device are fixed through the aluminum alloy clamp, the device is simple and convenient to use, the problems of complex disassembly and installation, slow filter membrane replacement and the like can be solved, the purpose of rapid suction filtration is achieved, the filter membrane is not easy to damage and is fast to replace, the suction filtration efficiency is improved, meanwhile, the glass membrane has the advantages of high tolerance, difficult damage and the like, and the consumption of experimental articles can be reduced.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an assembly structure of an experimental suction filtration device;
FIG. 2 is a schematic diagram of the whole structure of a pressure regulating valve of an assembly structure of an experimental suction filtration device;
fig. 3 is a detailed supplementary view of a suction filtration device of an experimental suction filtration device assembly structure according to the present utility model.
The reference numerals in the drawings indicate: 1. a buchner funnel; 2. a bottle stopper; 3. a measuring cylinder frame; 4. a suction filtration bottle; 5. a cock; 6. an exhaust pipe; 7. a filtrate measuring cylinder; 8. a leather hose; 9. a pressure regulating valve; 10. a vacuum pump; 11. a triangular flask; 12. a glass funnel; 13. an aluminum alloy clip; 14. a filter; 15. a pressure regulating knob; 16. thickening the membrane; 17. an air inlet; 18. an LB bracket; 19 pressure gauge; 20. an air outlet; 21. and (5) a filter membrane.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
referring to fig. 1-3, an assembling structure of an experimental suction filtration device comprises a buchner funnel 1, the buchner funnel 1 is connected with a lower suction filtration bottle 4 through a bottle plug 2, the bottle plug 2 is provided with sealing and airtight characteristics, a graduated flask frame 3 is fixed on the bottle plug 2 and used for fixing a filtrate graduated flask 7 in the suction filtration bottle 4, an exhaust pipe 6 is connected with the lower suction filtration bottle 4 through the bottle plug 2, a cock 5 is arranged on the upper part of the exhaust pipe, a vacuum pump 10 is connected with a leather pipe 8 through a left pressure regulating valve 9 and connected with the left suction filtration bottle, the assembling structure of the suction filtration device comprises a pressure regulating valve 9, a pressure regulating knob 15 is arranged at the top of the pressure regulating valve, a thickening membrane 16 is arranged below the pressure regulating knob, an LB bracket 18 is arranged below the thickening membrane 16, an aluminum alloy body is arranged at the bottommost part of the pressure regulating valve, a pure copper top core is arranged inside the pressure regulating device, a powerful spring is arranged inside the pressure regulating valve, an air inlet 17 is arranged at the left end of the aluminum alloy body, and an air outlet 20 is arranged at the right end of the aluminum alloy body.
Further, the pressure is regulated through the pressure regulating valve 9, so that the suction filtration speed can be controlled.
Further, after the test is completed, the vacuum pump 10 is closed, the cock 5 is opened to make the internal and external air pressures of the suction filtration bottle 4 the same, and the bottle stopper 2 is conveniently taken down, so that a filter cake and a filtrate are taken out for the next test.
The Buchner funnel 1 made of transparent glass is used, and scales are marked on the funnel, so that the thickness of a filter cake can be directly read, the measurement of the thickness of the filter cake becomes simple and accurate, and the volume of filtrate can be measured more quickly and accurately due to the addition of the filtrate measuring cylinder. The whole device improves the efficiency and accuracy of laboratory filtration test.
Example 2:
the right end of the vacuum pump 10 is connected with a right filter 14 through a leather hose 8 and is connected with a glass triangular flask 11, the glass funnel 12 is connected with the lowest triangular flask 11 through a lower filter membrane 21, and an aluminum alloy clip 13 is used for fixing bases of the upper glass funnel 12 and the lower filter membrane 21.
Further, the aluminum alloy clamp 13 is opened, the filter membrane 21 is placed on the triangular flask 11 and then fixed by the aluminum alloy clamp 13, the filter membrane 21 is placed between the triangular flask 11 and the glass funnel 12, the upper clamp and the lower clamp of the aluminum alloy clamp 13 are respectively clamped with the triangular flask 11 and the glass funnel 12, and the vacuum pump 10 is turned on and turned off to perform suction filtration.
Further, after the suction filtration is completed, the aluminum alloy clamp 13 is opened, and the filter membrane 21 is replaced, so that the suction filtration can be repeated.
Working principle: the utility model relates to an assembling structure of an experimental suction filtration device, which adopts the principle that the vacuum pump 10 is utilized to reduce the pressure intensity in a suction filtration bottle 4, so as to achieve the purpose of solid-liquid separation, the required devices are a Buchner funnel 1, the suction filtration bottle 4, an exhaust pipe 6, a vacuum pump 10 and filter paper, after the experiment is finished, the vacuum pump 10 is closed, a cock 5 is opened to ensure that the internal and external air pressure of the suction filtration bottle 4 is the same, the bottle stopper 2 is conveniently taken down, a filter cake and filtrate are taken out for the next experiment, an aluminum alloy clamp 13 is opened, a filter membrane 21 is placed on a triangular bottle 11 and is fixed by the aluminum alloy clamp 13, the filter membrane 21 is clamped between the triangular bottle 11 and a glass funnel 12, the upper clamp and the lower clamp of the aluminum alloy clamp 13 are respectively clamped with the triangular bottle 11 and the glass funnel 12, the vacuum pump 10 is opened, the aluminum alloy clamp 13 is opened after the suction filtration is finished, and the filter membrane 21 is replaced, so that the suction filtration can be repeated.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an experimental suction filtration device's assembly structure, includes buchner funnel (1) and vacuum pump (10), its characterized in that: the utility model discloses a vacuum flask, including bottle plug (2) is fixed through the suit to the below of buchner funnel (1), buchner funnel (1) lower part is connected with suction flask (4), bottle plug (2) have sealed, airtight characteristic, bottle plug (2) bottom left side is fixed with graduated flask frame (3) through the suit graduated flask frame (3) is fixed on bottle plug (2), suction flask (4) are fixed with filtrate graduated flask (7) through graduated flask frame (3), bottle plug (2) bottom right side is fixed with blast pipe (6) through the suit, the exhaust pipe (6) is connected with the lower suction filtration bottle (4) through the bottle stopper (2), a cock (5) is arranged on the upper portion of the exhaust pipe (6), the vacuum pump (10) is connected with the leather hose (8) through a left pressure regulating valve (9) to be connected with the left suction filtration bottle (4), the right end of the vacuum pump (10) is connected with the leather hose (8), the leather hose (8) is connected with a filter (14), the right end of the filter (14) is connected with the glass triangular bottle (11), a filter membrane (21) is arranged at the bottom of the glass funnel (12), the filter membrane (21) is connected with the lowest triangular bottle (11), the filter membrane (21) is clamped with an aluminum alloy clamp (13) and is used for fixing the upper glass funnel (12) and the base of the lower filter membrane (21).
2. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the assembly structure of suction filtration device includes air-vent valve (9), the air-vent valve top is equipped with pressure regulating knob (15), pressure regulating knob (15) below is equipped with thickening diaphragm (16), LB support (18) are installed to thickening diaphragm (16) below, air-vent valve (9) lower extreme is the aluminum alloy body, and inside is pure copper top core, has set powerful spring, aluminum alloy body left end is equipped with air inlet (17), and the right-hand member is equipped with gas outlet (20).
3. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the Buchner funnel (1) is made of glass, and the bottom of the Buchner funnel is hollow.
4. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the bottle stopper (2) and the suction filtration bottle (4) are in a sealing state and airtight.
5. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the other end of the vacuum pump (10) is connected with a filter (14) at the left part of the triangular flask (11) through a leather hose (8).
6. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the glass funnel (12) and the lower filter membrane (21) are fixed through an aluminum alloy clip (13).
7. The assembly structure of the experimental suction filtration device according to claim 1, wherein: the filter (14) is made of high borosilicate glass, has high flow rate and good pressure resistance and sealing performance, and the aluminum alloy clip (13) is made of anode aluminum and has certain chemical corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217545.2U CN219922316U (en) | 2023-02-15 | 2023-02-15 | Assembly structure of experimental suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320217545.2U CN219922316U (en) | 2023-02-15 | 2023-02-15 | Assembly structure of experimental suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219922316U true CN219922316U (en) | 2023-10-31 |
Family
ID=88491688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320217545.2U Active CN219922316U (en) | 2023-02-15 | 2023-02-15 | Assembly structure of experimental suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219922316U (en) |
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2023
- 2023-02-15 CN CN202320217545.2U patent/CN219922316U/en active Active
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