CN217367366U - Multi-channel suction filtration device - Google Patents
Multi-channel suction filtration device Download PDFInfo
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- CN217367366U CN217367366U CN202220468315.9U CN202220468315U CN217367366U CN 217367366 U CN217367366 U CN 217367366U CN 202220468315 U CN202220468315 U CN 202220468315U CN 217367366 U CN217367366 U CN 217367366U
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- suction filtration
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Abstract
The utility model provides a multi-channel suction filtration device, which comprises a suction filtration cavity, wherein the top of the suction filtration cavity is uniformly provided with a plurality of interfaces, the upper ends of the interfaces are hermetically connected with a tee pipe fitting through a rubber plug with holes, and the lower end of the tee pipe fitting is communicated with the suction filtration cavity through the interfaces; an air exhaust opening is formed in the upper end of the side wall of one side of the suction filtration cavity, the air exhaust opening is connected with a safety bottle sequentially through a rubber tube and a glass tube, and the safety bottle is connected with a vacuum pump sequentially through the glass tube and the rubber tube; the upper end of the three-way pipe fitting is hermetically connected with a funnel through a holed rubber plug. The utility model discloses convenient to use, easy operation, make full use of vacuum system has saved the suction filtration time, has improved suction filtration efficiency.
Description
Technical Field
The utility model belongs to the technical field of test equipment, especially, relate to a suction filtration device of multichannel.
Background
The suction filtration is also called decompression filtration and vacuum filtration, and refers to a method for reducing the pressure in a suction flask by using an air pump to achieve the purpose of solid-liquid separation, and is often used in the fields of chemical industry, detection and analysis, laboratories and the like. The conventional suction filtration device consists of a buchner funnel, a suction filtration bottle and a suction pump, wherein one buchner funnel is arranged on one suction filtration bottle, and only one sample can be processed at one time. In the chemical industry and the detection and analysis industry, a large amount of samples are often required to be processed. For large-batch suction filtration work, a large amount of time needs to be consumed by using a conventional suction filtration device, and the detection and production efficiency is seriously influenced.
In conclusion, how to perform suction filtration treatment on a plurality of samples simultaneously and replace the samples without closing the vacuum pump has become a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to overcome a series of defects in the prior art, the utility model aims to provide a multi-channel suction filtration device, which comprises a suction filtration cavity 1 and is characterized in that the top of the suction filtration cavity 1 is uniformly provided with a plurality of interfaces 2, the upper ends of the interfaces 2 are hermetically connected with a tee pipe fitting 3 through a holed rubber plug, and the lower end of the tee pipe fitting 3 is communicated with the suction filtration cavity 1 through the interfaces 2; an air suction opening 7 is formed in the upper end of the side wall of one side of the suction filtration cavity 1, the air suction opening 7 is connected with a safety bottle 11 sequentially through a rubber tube and a glass tube, and the safety bottle 11 is connected with a vacuum pump 12 sequentially through the glass tube and the rubber tube; the upper end of the three-way pipe fitting 3 is hermetically connected with a funnel 5 through a holed rubber plug.
Preferably, tee bend pipe fitting 3 includes center tube 31, air inlet branch pipe 32 and flowing back tubule 33, and center tube 31 is cylindrical, and air inlet branch pipe 32 sets up in center tube 31 one side middle part, air inlet branch pipe 32 is provided with I321 of valve, and 31 lower extremes of center tube are located to flowing back tubule 33, and the upper portion position of flowing back tubule 33 is equipped with valve II 331, and I321 of valve and II 331 of valve are straight two-way valve, and tee bend pipe fitting 3's material adopts PVC, ABS, PP, polytetrafluoroethylene or other plastics material.
Preferably, the shape of the suction filtration cavity 1 is cylindrical.
Preferably, the number of the interfaces 2 is 8 to 14, and the upper openings of the interfaces 2 are circular.
Preferably, the safety bottle 11 is sealed by a double-hole rubber plug, the glass tube passes through the double holes and extends into the safety bottle 11, the lower port of the glass tube connected to one side of the pumping port 7 is close to the bottom of the safety bottle 11, and the lower port of the glass tube connected to one side of the vacuum pump 12 is close to the mouth of the safety bottle 11.
Preferably, the funnel 5 is a glass sand core funnel or a Buchner funnel; the safety bottle 11 and the filter flask 15 are made of glass materials; the vacuum pump 12 is a vacuum oil pump.
Preferably, a plurality of groups of supports 6 for supporting the suction filtration cavity 1 are fixed at the bottom of the suction filtration cavity 1; one end of the bottom of the suction filtration cavity 1 is provided with a vent 8, the vent 8 is controlled to open and close through a valve III 9, the valve III 9 is connected with a rubber pipe, and the other end of the rubber pipe extends into a waste liquid barrel 10 to discharge waste liquid; the valve III 9 is a bent two-way valve and is made of PVC, ABS, PP, polytetrafluoroethylene or other plastic materials.
Preferably, the suction filtration cavity 1, the connector 2, the support 6, the air exhaust opening 7 and the vent 8 are made of the same material, the material is organic glass or PVC, and the connector 2, the support 6, the air exhaust opening 7 and the vent 8 are welded on the suction filtration cavity 1.
Preferably, a filtering bottle 15 is arranged between the three-way pipe fitting 3 and the funnel 5, the funnel 5 is hermetically installed on the mouth of the filtering bottle 15 through a rubber plug with a hole, and the filtering bottle 15 is connected to the upper end of the three-way pipe fitting 3 through a rubber tube and a glass tube.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model provides a multi-channel suction filtration device, which is characterized in that a plurality of interfaces are arranged on a suction filtration cavity, and a perforated rubber plug is inserted into a tee pipe fitting to install a funnel and a suction filtration bottle, so that a plurality of samples can be simultaneously sucked and filtered; after the suction filtration is finished, the vacuum pump does not need to be closed, the funnel and the suction filtration bottle can be directly replaced by utilizing the switches of the two valves on the three-way pipe fitting, and the suction filtration of an unfinished sample is not delayed; the suction filtration cavity is large in volume, can store a large amount of liquid, removes the trouble of emptying the waste liquid after the suction filtration is finished every time, is convenient to use and simple to operate, makes full use of a vacuum system, saves the suction filtration time and improves the suction filtration efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a multi-channel suction filtration device provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a tee pipe fitting of the multi-channel suction filtration device provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of the multi-channel suction filtration device provided in embodiment 1 of the present invention.
The reference numbers in the figures are:
1-a suction filtration cavity, 2-a connector, 3-a tee pipe fitting, 5-a funnel, 6-a support, 7-an extraction opening, 8-a vent, 9-a valve III, 10-a waste liquid barrel, 11-a safety bottle, 12-a vacuum pump and 15-a suction filtration bottle;
31-central tube, 32-branch air inlet tube, 33-liquid discharge tube, 321-valve I, 331-valve II.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiments and the directional terms described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Example 1
A multi-channel suction filtration device comprises a suction filtration cavity 1 and is characterized in that a plurality of connectors 2 are uniformly arranged at the top of the suction filtration cavity 1, the upper ends of the connectors 2 are hermetically connected with a three-way pipe 3 through holed rubber plugs, and the lower end of the three-way pipe 3 is communicated with the suction filtration cavity 1 through the connectors 2; an air suction opening 7 is formed in the upper end of the side wall of one side of the suction filtration cavity 1, the air suction opening 7 is connected with a safety bottle 11 sequentially through a rubber tube and a glass tube, and the safety bottle 11 is connected with a vacuum pump 12 sequentially through the glass tube and the rubber tube; the upper end of the three-way pipe fitting 3 is hermetically connected with a funnel 5 through a holed rubber plug.
Preferably, tee bend pipe fitting 3 includes center tube 31, air inlet branch pipe 32 and flowing back tubule 33, and center tube 31 is cylindrical, and air inlet branch pipe 32 sets up in center tube 31 one side middle part, air inlet branch pipe 32 is provided with valve I321, and 31 lower extremes of center tube are located to flowing back tubule 33, and the upper portion position of flowing back tubule 33 is equipped with valve II 331, and valve I321 and valve II 331 are straight two-way valve, and tee bend pipe fitting 3's material adopts PVC, ABS, PP, polytetrafluoroethylene or other plastics materials.
Preferably, the shape of the suction filtration cavity 1 is cylindrical.
Preferably, the number of the interfaces 2 is 8 to 14, and the upper openings of the interfaces 2 are circular.
Preferably, the safety bottle 11 is sealed by a double-hole rubber plug, the glass tube passes through the double holes and extends into the safety bottle 11, the lower port of the glass tube connected to one side of the pumping port 7 is close to the bottom of the safety bottle 11, and the lower port of the glass tube connected to one side of the vacuum pump 12 is close to the mouth of the safety bottle 11.
Preferably, the funnel 5 is a glass sand core funnel or a Buchner funnel; the safety bottle 11 and the filter flask 15 are made of glass materials; the vacuum pump 12 is a vacuum oil pump.
Preferably, a plurality of groups of supports 6 for supporting the suction filtration cavity 1 are fixed at the bottom of the suction filtration cavity 1; one end of the bottom of the suction filtration cavity 1 is provided with a vent 8, the vent 8 is controlled to open and close through a valve III 9, the valve III 9 is connected with a rubber pipe, and the other end of the rubber pipe extends into a waste liquid barrel 10 to discharge waste liquid; the valve III 9 is a bent two-way valve and is made of PVC, ABS, PP, polytetrafluoroethylene or other plastic materials.
Preferably, the suction filtration cavity 1, the connector 2, the support 6, the air exhaust opening 7 and the vent 8 are made of the same material, the material is organic glass or PVC, and the connector 2, the support 6, the air exhaust opening 7 and the vent 8 are welded on the suction filtration cavity 1.
Example 2
A multi-channel suction filtration device is characterized in that a suction filtration bottle 15 is arranged between a three-way pipe fitting 3 and a funnel 5, the funnel 5 is hermetically installed on the mouth of the suction filtration bottle 15 through a rubber plug with a hole, and the suction filtration bottle 15 is connected to the upper end of the three-way pipe fitting 3 through a rubber tube and a glass tube.
The utility model relates to a suction filtration device of multichannel can satisfy and only remain solid and solid, liquid and all remain two kinds of demands to need not to close vacuum pump 12 when changing the sample. When only the solid is reserved, the solid is filtered in a funnel 5 according to the figure 1, the liquid is collected in a suction filtration cavity 1, and the liquid is discharged to a waste liquid barrel 10 after the work is finished; when solid and liquid are reserved, as shown in figures 2 and 3, the suction filtration cavity 1 is used as a main pipe of a vacuum system and is connected with a suction filtration bottle 15 through a connector 2, a three-way pipe 3, a glass pipe and a rubber pipe, negative pressure is formed in the suction filtration bottle 15 during work, the solid is filtered in a funnel 5, the liquid is collected in the suction filtration bottle 15, and the liquid is poured out for standby after the work is finished. When the three-way pipe fitting 3 works, the valve II 331 is opened, and the valve I321 is closed, so that the pipe fitting is sealed; after the sample is filtered, the vacuum pump 12 is not required to be closed, the valve II 331 is closed, the vacuum state of the system below the valve II 331 is kept, the valve I321 is opened, the pressure of the part above the pipe fitting valve II 331 is recovered, the funnel 5 at the upper port of the three-way pipe fitting 3 can be taken down and replaced, and the next sample is filtered; or the valve II 331 is closed, and the rubber tube connected with the branch tube of the filter flask 15 is pulled off, so that the filter flask 15 and the funnel 5 on the filter flask 15 can be replaced.
In the working process, when only solid is reserved, as shown in figure 1, a funnel 5 is arranged at the upper port of a three-way pipe fitting 3 through a rubber plug with a hole, and a liquid discharge tubule 33 at the lower end of the three-way pipe fitting 3 is hermetically arranged on a connector 2 through the rubber plug with the hole and is communicated with a suction filtration cavity 1; closing the valve I321, opening the valve II 331, pouring liquid into the funnel 5, closing the valve III 9, starting the vacuum pump 12, pumping air in the suction filtration cavity 1 and the three-way pipe fitting 3 away by the vacuum pump 12 through the rubber tube, the glass tube, the safety bottle 11 and the air pumping port 7, so that negative pressure is formed in the suction filtration cavity 1, pressure difference is formed between the upper side and the lower side of the funnel 5, the liquid is pumped into the suction filtration cavity 1, and the solid is remained on the funnel 5; after the sample is filtered, the vacuum pump 12 is not required to be closed, the valve II 331 is closed, the valve I321 is opened, the funnel 5 is taken down and replaced, then the valve I321 is closed, the valve II 331 is opened, and the next sample is filtered; after the suction filtration is finished, the vacuum pump 12 is closed, the valve I321 is opened, air enters the suction filtration cavity 1 through the valve I321, the valve III 9 is opened after the internal air pressure is recovered, and liquid in the suction filtration cavity 1 is discharged into the waste liquid barrel 10 through the vent 8, the valve III 9 and the rubber tube.
When both solid and liquid are reserved, according to the figure 3, a funnel 5 is installed at the mouth of the suction bottle 15, a branch pipe is connected with a three-way pipe 3 through a rubber pipe, a glass pipe and a rubber plug with holes, and the three-way pipe 3 is hermetically installed on a connector 2 through the rubber plug with holes and is communicated with a suction filtration cavity 1; closing the valve I321, opening the valve II 331, closing the valve III 9, starting the vacuum pump 12, pouring liquid into the funnel 5, filtering solids in the funnel 5, and collecting filtrate into the filter flask 15; after the sample is filtered, the valve II 331 is closed, the rubber tube connected with the branch tube of the filter flask 15 is pulled out, the filter flask 15 and the funnel 5 on the filter flask 15 are replaced, and then the valve II 331 is opened, and the next sample can be filtered. After the filtration, the hose connected to the branch pipe of the filtration flask 15 is pulled out, and the vacuum pump 12 is turned off.
The utility model arranges a plurality of interfaces 2 on a suction filtration cavity 1, uses a perforated rubber plug splicing tee pipe 3 to install a funnel 5 and a suction filtration bottle 15, and can realize the suction filtration of a plurality of samples simultaneously; after the suction filtration is finished, the vacuum pump 12 does not need to be closed, the funnel 5 and the filter flask 15 can be directly replaced by utilizing the switches of the two valves on the three-way pipe fitting 3, and the suction filtration of an unfinished sample is not delayed; suction filtration cavity 1 volume is great, can store a large amount of liquid, removes the trouble that all will the evacuation waste liquid after every suction filtration is finished from, convenient to use, easy operation, make full use of vacuum system, saved the suction filtration time, improved suction filtration efficiency.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The multi-channel suction filtration device comprises a suction filtration cavity (1), and is characterized in that a plurality of connectors (2) are uniformly arranged at the top of the suction filtration cavity (1), the upper ends of the connectors (2) are hermetically connected with a tee pipe fitting (3) through a holed rubber plug, and the lower end of the tee pipe fitting (3) is communicated with the suction filtration cavity (1) through the connectors (2); an air exhaust opening (7) is formed in the upper end of the side wall of one side of the suction filtration cavity (1), the air exhaust opening (7) is connected with a safety bottle (11) through a rubber tube and a glass tube in sequence, and the safety bottle (11) is connected with a vacuum pump (12) through the glass tube and the rubber tube in sequence; the upper end of the three-way pipe fitting (3) is hermetically connected with a funnel (5) through a holed rubber plug.
2. The multi-channel suction filtration device according to claim 1, wherein the three-way pipe (3) comprises a central pipe (31), a gas inlet branch pipe (32) and a liquid drainage tubule (33), the central pipe (31) is cylindrical, the gas inlet branch pipe (32) is arranged in the middle of one side of the central pipe (31), the gas inlet branch pipe (32) is provided with a valve I (321), the liquid drainage tubule (33) is arranged at the lower end of the central pipe (31), a valve II (331) is arranged at the upper position of the liquid drainage tubule (33), the valve I (321) and the valve II (331) are straight two-way valves, and the three-way pipe (3) is made of PVC, ABS, PP or polytetrafluoroethylene.
3. A multi-channel suction filtration device as claimed in claim 2, wherein the suction filtration chamber (1) has a cylindrical shape.
4. A multi-channel suction filtration device as claimed in claim 3, wherein the number of said ports (2) is 8 to 14, and the upper opening of said ports (2) is circular.
5. A multi-channel suction filtration device as claimed in claim 4, wherein the safety bottle (11) is sealed by a double-hole rubber plug, a glass tube passes through the double hole and extends into the safety bottle (11), the lower port of the glass tube connected to one side of the suction port (7) is close to the bottom of the safety bottle (11), and the lower port of the glass tube connected to one side of the vacuum pump (12) is close to the mouth of the safety bottle (11).
6. A multi-channel suction filtration device as claimed in claim 5, wherein a plurality of groups of brackets (6) for supporting the suction filtration cavity (1) are fixed at the bottom of the suction filtration cavity (1); one end of the bottom of the suction filtration cavity (1) is provided with a vent (8), the vent (8) is controlled to open and close through a valve III (9), the valve III (9) is connected with a rubber tube, and the other end of the rubber tube extends into a waste liquid barrel (10) to discharge waste liquid; the valve III (9) is a bent two-way valve and is made of PVC, ABS, PP or polytetrafluoroethylene.
7. A multi-channel suction filtration device according to claim 6, wherein the suction filtration cavity (1), the connector (2), the support (6), the air extraction opening (7) and the vent (8) are made of the same material, the material is organic glass or PVC, and the connector (2), the support (6), the air extraction opening (7) and the vent (8) are welded on the suction filtration cavity (1).
8. A multi-channel suction filtration device as claimed in any one of claims 1 to 7, wherein a suction bottle (15) is arranged between the three-way pipe (3) and the funnel (5), the funnel (5) is hermetically mounted on the mouth of the suction bottle (15) through a rubber plug with a hole, and the suction bottle (15) is connected to the upper end of the three-way pipe (3) through a rubber tube and a glass tube.
9. A multi-channel suction filtration device as claimed in claim 8, wherein said funnel (5) is a glass sand core funnel or a buchner funnel; the safety bottle (11) and the filter flask (15) are made of glass materials; the vacuum pump (12) is a vacuum oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220468315.9U CN217367366U (en) | 2022-03-04 | 2022-03-04 | Multi-channel suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220468315.9U CN217367366U (en) | 2022-03-04 | 2022-03-04 | Multi-channel suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217367366U true CN217367366U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220468315.9U Active CN217367366U (en) | 2022-03-04 | 2022-03-04 | Multi-channel suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217367366U (en) |
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2022
- 2022-03-04 CN CN202220468315.9U patent/CN217367366U/en active Active
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