CN216678278U - Replaceable solid-liquid continuous separation funnel - Google Patents
Replaceable solid-liquid continuous separation funnel Download PDFInfo
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- CN216678278U CN216678278U CN202123399222.XU CN202123399222U CN216678278U CN 216678278 U CN216678278 U CN 216678278U CN 202123399222 U CN202123399222 U CN 202123399222U CN 216678278 U CN216678278 U CN 216678278U
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Abstract
The utility model discloses a replaceable solid-liquid continuous separation funnel, which comprises a replaceable threaded funnel filter cup, a threaded sand core funnel filter cup with a piston and a switching filter head; the replaceable threaded funnel filter bowl comprises a platform with filter holes; a sand core is arranged in the threaded sand core funnel filter cup with the piston, the sand core has a liquid filtering function, and a piston air valve is arranged on the side wall of the sand core; the side wall of the adapter suction filter head is provided with a suction filter port, and a drainage structure is arranged in the adapter suction filter head; the replaceable threaded funnel filter cup, the threaded sand core funnel filter cup with the piston and the switching filter head are sequentially connected in a sealing mode from top to bottom. The device can realize the in-situ replacement of the filter cup by the separation equipment by utilizing the threaded bottle cap and combining the vacuum pumping action of the piston, has a continuous separation function, improves the solid-liquid separation efficiency of homogenate in a laboratory, improves the filtration precision, provides a set of more convenient solid-liquid separation funnel, and reduces the possibility of sample pollution in the separation process.
Description
Technical Field
The utility model relates to the technical field of experimental instruments, in particular to a replaceable solid-liquid continuous separation funnel which is particularly suitable for separation of homogenate solid and liquid in a laboratory.
Background
Solid-liquid separation refers to a unit operation in which solids and liquids are separated in a mixed fluid consisting of solids and liquids by a certain means. In many experimental operations, solid-liquid separation is an indispensable unit operation process, such as chemical industry, food, pharmacy, biological products and the like, the technical level of solid-liquid separation is high and low, and the quality directly influences the possibility of process realization, sample quality and efficiency. Separation methods exist in the laboratory, including sedimentation (gravity and centrifugal sedimentation), filtration (gravity, vacuum, pressure, centrifugation) and membrane filtration (ultrafiltration, reverse osmosis, electrodialysis).
The most common separation mode in the laboratory at present is vacuum filtration (reduced pressure filtration), namely suction filtration, and the main components are a buchner funnel, a rubber plug and a suction filtration bottle. The traditional suction filtration device at present has a plurality of defects, for example, according to the test quantity, a proper buchner funnel, a rubber plug and a suction filtration bottle need to be prepared in advance (special preparation is needed, and a daily laboratory conical bottle cannot well meet the requirement); the suction filtration in-process, the solid-liquid separation of even thick liquid class especially can progressively pile up the filter cake in the buchner funnel, along with the increase of filter cake thickness, filtration efficiency becomes slowly, can not satisfy quick filter effect, and this process is changed the funnel and not only exists obvious inconvenient, still exists simultaneously and treats the risk that the filter appearance pollutes the filtered appearance, and when the instrument was closed in the suction filtration end, the flexible glue pipe that needs to extract the air inlet pulled out, then just can close the air extractor and take off the funnel, otherwise there is the suck-back risk. The above disadvantages make the suction filtration device unable to meet the increasingly complex and fine solid-liquid separation in laboratories, especially the separation requirement of homogenate mixture. Therefore, in view of the above, the present invention provides a replaceable continuous solid-liquid separation funnel matched with vacuum filtration, based on the practical solid-liquid separation in a laboratory, so as to achieve the purposes of improving the separation efficiency and the filtration precision of a solid-liquid separation test in the laboratory, facilitating the separation and reducing potential pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a replaceable solid-liquid continuous separation funnel to solve the problems that a matched filter flask is customized in the solid-liquid vacuum filtration and separation process of the prior laboratory, the process has pollution risk, the operation is troublesome, the efficiency is low, the funnel cannot be replaced in situ and the like.
The purpose and the effect of the utility model are realized by the following specific technical means:
a replaceable solid-liquid continuous separation funnel is characterized by comprising a replaceable threaded funnel filter cup, a threaded sand core funnel filter cup with a piston and a switching filter head;
the replaceable screw funnel filter cup comprises a platform with filter holes;
a sand core is arranged in the threaded sand core funnel filter cup with the piston, and the sand core has a liquid filtering function; a piston air valve is arranged on the side wall of the screw thread sand core funnel filter cup with the piston;
the side wall of the adapter suction filter head is provided with a suction filter port, and a drainage structure is arranged in the adapter suction filter head;
the replaceable threaded funnel filter cup, the threaded sand core funnel filter cup with the piston and the switching filter head are sequentially connected in a sealing mode from top to bottom and can be separated from each other.
Furthermore, the lower end of the replaceable threaded funnel filter cup is provided with a threaded lower opening cover, the upper end of the threaded sand core funnel filter cup with the piston is provided with a threaded upper opening cover, and the two opening covers are matched with each other to realize connection of the replaceable threaded funnel filter cup and the threaded sand core funnel filter cup with the piston.
Furthermore, the lower end of the screw thread sand core funnel filter cup with the piston is provided with a grinding opening A, the upper end of the switching filter head is provided with a grinding opening B, and the grinding opening A and the grinding opening B are matched with each other to realize the connection of the screw thread sand core funnel filter cup with the piston and the switching filter head.
Furthermore, the lower end of the switching suction filter head is provided with a ground opening C, and the ground opening C is used for connecting the switching suction filter head with a receiving bottle with a ground opening.
Furthermore, the replaceable threaded funnel filter bowl, the threaded sand core funnel filter bowl with the piston and the adapter filter head are made of glass, ceramics or plastics.
Furthermore, the drainage structure is a drainage tube.
Furthermore, the outer side of the suction filtration port is provided with anti-skid grains.
Furthermore, the adapter filter head has various specifications, and the diameters of the ground openings C at the lower end of the adapter filter head respectively correspond to receiving bottles with different calibers.
Compared with the prior art, the utility model has the following beneficial effects:
when the filter cup is applied, the replaceable threaded funnel filter cup can be utilized, and the air pumping and releasing function of the piston air valve is combined, so that the in-situ replacement of the filter cup body is realized, the efficiency is improved, and the potential pollution caused by the process and backflow is reduced; the secondary filter element filtration design improves the filtration precision and restrains the process pollution; the customized requirements of the receiving bottle are eliminated through the adapter filter head device, so that the funnel is more universal to the receiving device, and a more convenient and reliable matched funnel is provided for solid-liquid vacuum filtration and separation in a laboratory.
Drawings
FIG. 1 is a schematic diagram of a specific structure of the apparatus of the present invention.
In the figure: 1. replaceable threaded funnel filter bowl, 2, threaded lower opening cover, 3, threaded upper opening cover, 4, threaded sand core funnel filter bowl with piston, 5, sand core, 6, piston air valve, 7, ground ports A, 8, ground ports B, 9, switching filter head, 10, filter port, 11, ground ports C, 12, platform with filter hole, 13, receiving drainage tube
Detailed Description
The device of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a specific example of the replaceable solid-liquid continuous separation funnel of the present invention includes a replaceable screw funnel filter bowl 1, a screw sand core funnel filter bowl 4 with a piston, and a switching suction filter head 9; the replaceable threaded funnel filter bowl 1 is of a glass cylindrical structure, the bottom of the replaceable threaded funnel filter bowl is provided with a filter hole, and the lower part of the replaceable threaded funnel filter bowl 1 is provided with a threaded lower opening cover 2 formed by an internal thread structure; the upper part of the threaded sand core funnel filter cup 4 with the piston is provided with a threaded upper opening cover 3 formed by an external thread structure, the middle part of the upper cylindrical structure of the threaded sand core funnel filter cup 4 with the piston is provided with a sand core 5, the side edge of the lower part of the upper cylindrical structure is provided with a piston air valve 6, and the bottom of the upper cylindrical structure is provided with a grinding opening A7 used for communicating and switching a filter head; the upper end of the switching suction filter head 9 is provided with a ground opening B8, the middle part is a hollow cylinder, the switching suction filter head contains a glass receiving drainage tube, the outside of the side wall is provided with a suction filter opening 10 with a tubular structure, the suction filter opening 10 is communicated with the inside of the hollow cylinder, and the outer wall of the suction filter opening 10 is provided with anti-skid grains formed by a circular structure; the bottom is provided with a ground C11 for communicating with the receiving bottle.
When the whole set of funnel is installed, select suitable precision filter paper as required, laminate filter paper on the platform of taking the filtration pore of replacing screw funnel filter bowl 1, cover the filtration pore completely, flap 2 and screw up flap 3 rotatory screw up gomphosis formation connector under will screwing up again, beat piston pneumatic valve 6 to the off-state, grind A7 and the mill mouth B8 of switching suction filter head 9 upper end of screw psammitolite funnel filter bowl 4 lower extreme with the piston are connected, form the connector, grind C11 and the mill mouth receiving flask of switching suction filter head 9 lower extreme are connected, form complete enclosed construction, connect suction filter mouth 10 and take out the pump with the hose.
Whole suction filtration system during operation starts earlier and draws from the pump, draw from the air in the pump through suction filtration mouth 10 and draw from entire system, make entire system produce the negative pressure, make can replace screw thread funnel filter bowl 1 and take the screw thread psammitolite funnel filter bowl 4 of piston all to produce a decurrent suction, again toward replacing the interior filterable solid-liquid mixture of injection needs of screw thread funnel filter bowl 1, through the filtration of filter paper and psammitolite 5, the filtration back liquid enters into from switching suction filter head 9 drainage tube and accomplishes in the receiving flask and filters.
Along with the beginning of a filtration test, the filter cake in the replaceable threaded funnel filter bowl 1 is gradually thickened, the filtration efficiency is remarkably reduced, at the moment, the replaceable threaded funnel filter bowl 1 is considered to be replaced, the piston air valve 6 of the threaded sand core funnel filter bowl 4 with the piston is opened, the extraction pump is closed, the whole system is recovered to the normal pressure, the replaceable threaded funnel filter bowl 1 with the residual filter cake is replaced, a new replaceable threaded funnel filter bowl 1 with filter paper is replaced (due to the secondary filtration of the sand core, the filter liquor in the receiving bottle cannot be polluted in the switching process), the replaceable threaded funnel filter bowl 1 and the threaded sand core funnel filter bowl 4 with the piston are well connected, the piston air valve 6 of the threaded sand core funnel filter bowl 4 with the piston is opened to the closed state, and the extraction pump is opened to continue the suction filtration work until the suction filtration is completed.
After the suction filtration is finished, a piston air valve 6 of the threaded sand core funnel filter bowl 4 with the piston is opened, the suction pump is closed, the whole system is recovered to normal pressure, and then the replaceable threaded sand core funnel filter bowl 1, the threaded sand core funnel filter bowl 4 with the piston, the switching suction filter head 9 and the receiving bottle are sequentially detached from top to bottom, so that the receiving bottle containing filtrate is obtained. The detached device can be reused after being cleaned.
Claims (7)
1. A replaceable solid-liquid continuous separation funnel is characterized by comprising a replaceable threaded funnel filter cup, a threaded sand core funnel filter cup with a piston and a switching filter head;
the replaceable screw funnel filter cup comprises a platform with filter holes;
a sand core is arranged in the threaded sand core funnel filter cup with the piston, and the sand core has a liquid filtering function; a piston air valve is arranged on the side wall of the screw thread sand core funnel filter cup with the piston;
the side wall of the adapter suction filter head is provided with a suction filter port, and a drainage structure is arranged in the adapter suction filter head;
the replaceable threaded funnel filter cup, the threaded sand core funnel filter cup with the piston and the switching filter head are sequentially connected in a sealing mode from top to bottom and can be separated from each other.
2. The replaceable solid-liquid continuous separation funnel of claim 1, wherein a threaded lower port cover is provided at the lower end of the replaceable threaded funnel filter bowl, a threaded upper port cover is provided at the upper end of the threaded sand core funnel filter bowl with the piston, and the two port covers are mutually matched to realize the connection of the replaceable threaded funnel filter bowl and the threaded sand core funnel filter bowl with the piston.
3. The replaceable solid-liquid continuous separation funnel according to claim 1, wherein a ground opening A is arranged at the lower end of the screw sand core funnel filter cup with the piston, a ground opening B is arranged at the upper end of the adapter filter head, and the ground opening A and the ground opening B are matched with each other to realize the connection of the screw sand core funnel filter cup with the piston and the adapter filter head.
4. The replaceable solid-liquid continuous separation funnel according to claim 1, wherein the lower end of the adapting filter head is provided with a ground C, and the ground C is used for connecting the adapting filter head with a receiving bottle with a ground.
5. The replaceable solid-liquid continuous separation funnel of claim 1, wherein the replaceable threaded funnel filter bowl, the threaded sand core funnel filter bowl with the piston, and the adapter filter head are made of glass, ceramic or plastic.
6. The replaceable solid-liquid continuous separation funnel according to claim 1, wherein the drainage structure is a drainage tube.
7. The replaceable solid-liquid continuous separation funnel according to claim 1, wherein the outside of the suction filtration port is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123399222.XU CN216678278U (en) | 2021-12-30 | 2021-12-30 | Replaceable solid-liquid continuous separation funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123399222.XU CN216678278U (en) | 2021-12-30 | 2021-12-30 | Replaceable solid-liquid continuous separation funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216678278U true CN216678278U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123399222.XU Active CN216678278U (en) | 2021-12-30 | 2021-12-30 | Replaceable solid-liquid continuous separation funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216678278U (en) |
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2021
- 2021-12-30 CN CN202123399222.XU patent/CN216678278U/en active Active
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