Filter assembly, suction filtration assembly and pretreatment equipment

Abstract

The utility model discloses a filtration subassembly, suction filtration subassembly and pretreatment equipment, relate to polymer pretreatment technical field, wherein the suction filtration subassembly, the accommodation chamber are used for detachable installation said filtration subassembly, the accommodation chamber includes first mounting mouth and second mounting mouth, the first mounting mouth is used for fixing sample container, the second mounting mouth is used for fixing sample container, the first mounting mouth is used for fixing sample container, and the second mounting mouth is used for fixing sample container. The second mounting opening is used for fixing a liquid collecting container, and when the sample container and the liquid collecting container are fixed to the containing cavity, puncture needles at the two ends of the filtering assembly are in puncture communication with the sample container and the liquid collecting container at the corresponding positions respectively; one end of the negative pressure channel is communicated with a negative pressure source, and the other end of the negative pressure channel is communicated with a negative pressure puncture needle and is used for puncturing and conducting the liquid collection container fixed with the accommodating cavity; according to the filtering assembly, the suction filtration assembly and the pretreatment equipment, the filtering efficiency of a polymer reagent is effectively improved by adopting a manner of adsorbing impurities by filler and driving under negative pressure.

Description

Technical Field

[0001] This utility model relates to the field of polymer pretreatment technology, and more specifically, to a filtration assembly, a vacuum filtration assembly, and a pretreatment device. Background Technology

[0002] In fields such as polymer material research and development, chemical experiments, and industrial production, polymer pretreatment is a key step in ensuring the accuracy of subsequent processing and product quality. It plays an important role in removing impurities, purifying, and pretreating polymer reagents under temperature control, and its results directly affect the accuracy of experimental data and the efficiency of industrial production.

[0003] In the existing technology, most single-station processing equipment for polymer reagents uses positive pressure filtration with metal filter sheets. This relies on the gaps in the metal filter sheets to filter impurities in the polymer reagents. However, in actual operation, due to the limited area of ​​the metal filter sheets, impurities in the polymer reagents can clog the gaps in the metal filter sheets, resulting in low filtration efficiency and the retention of impurities.

[0004] In summary, how to solve the problem of low filtration efficiency and impurity residue in polymer reagents is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a filter component that uses filler to adsorb impurities instead of slits to filter impurities, thereby solving the problems of low filtration efficiency and impurity residue in polymer reagents.

[0006] Another objective of this invention is to provide a filtration assembly that includes the above-mentioned filtration components, using negative pressure to accelerate the passage of polymer reagents through the filtration assembly and improve filtration efficiency.

[0007] Another objective of this invention is to provide a pretreatment device including the above-mentioned filtration assembly, which has the same technical features and can solve the same technical problems.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A filtering component, comprising:

[0010] A shell, wherein the shell has a columnar structure and the inner cavity of the shell is filled with filler;

[0011] At least two puncture needles are respectively disposed at both ends of the housing and communicate with the inner cavity of the housing.

[0012] A filtration assembly, comprising:

[0013] The receiving cavity is used for detachably installing the filter assembly described above. The receiving cavity includes a first mounting port and a second mounting port. The first mounting port is used to fix the sample container, and the second mounting port is used to fix the liquid collection container. When the sample container and the liquid collection container are fixed to the receiving cavity, the puncture needles at both ends of the filter assembly are punctured and connected to the sample container and the liquid collection container at the corresponding positions.

[0014] The negative pressure channel has one end connected to a negative pressure source and the other end connected to a negative pressure puncture needle for puncturing and connecting the liquid collection container fixed to the receiving cavity.

[0015] Preferably, the receiving cavity is a vertically conductive structure, and a limiting step is provided inside for axial limiting of the filter assembly when it is installed from top to bottom.

[0016] Preferably, the filtration assembly further includes a first heating assembly disposed in the receiving cavity for heating the filtration assembly.

[0017] Preferably, the first heating component has a cylindrical structure, and when the filter component is installed in the receiving cavity, the first heating component is wrapped around the outer periphery of the housing of the filter component.

[0018] Preferably, the filtration assembly further includes a liquid storage chamber, which is provided with a first interface for connecting a negative pressure source;

[0019] The end of the negative pressure channel away from the negative pressure puncture needle is connected to the fluid storage chamber.

[0020] Preferably, the liquid storage chamber further includes an openable and closable second interface, which is located at a low position in the liquid storage chamber and is used to drain the accumulated liquid in the liquid storage chamber.

[0021] A pretreatment apparatus, comprising:

[0022] The filtration assembly described in any of the above items;

[0023] The housing has a connecting part at the front end for fixing the filtration assembly;

[0024] A vacuum pump, the negative pressure port of which is connected to the negative pressure channel of the filtration assembly.

[0025] Preferably, the pretreatment device further includes a display screen and a control switch disposed on the top of the housing;

[0026] The display screen is used to display the operating parameters of the vacuum pump, and the control switch is used to control the operating status of the vacuum pump.

[0027] Preferably, the pretreatment device further includes a base plate disposed at the bottom of the front end of the housing;

[0028] The surface of the casing is provided with several receiving slots for fixing and holding sample containers and liquid collection containers.

[0029] The filter assembly provided by this utility model has at least the following advantages compared with the prior art:

[0030] 1. The filler material is used to adsorb impurities in the polymer reagent, instead of filtering impurities in the polymer reagent through the gaps in the metal filter, thus avoiding the decrease in filtration efficiency caused by gap clogging.

[0031] 2. The use of a columnar shell for filling effectively increases the amount of filler, thereby increasing the adsorption area of ​​the filler and improving the adsorption effect.

[0032] 3. Puncture needles are installed at both ends of the shell to facilitate the connection between the sample container and the liquid collection container. The sample container and the liquid collection container are located at opposite ends of the shell. This means that the polymer reagent in the sample container must pass through the shell axially before entering the liquid collection container. This effectively increases the travel distance of the polymer reagent in the shell, increases the probability of contact and collision with the filler, and thus improves the adsorption rate of impurities in the polymer reagent by the filler, reducing the impurity content of the polymer reagent entering the liquid collection container.

[0033] The filtration assembly provided by this utility model, including the above-mentioned filtration assembly, has at least the following beneficial effects:

[0034] 1. Negative pressure adsorption is used to accelerate the passage of polymer reagents through the filter components, thereby improving filtration efficiency;

[0035] 2. The collection container is opened by using a negative pressure puncture needle, which facilitates the quick installation of the collection container, reduces the assembly time of the container, and further improves the filtration efficiency.

[0036] The pretreatment equipment provided by this utility model includes the above-mentioned vacuum filtration component and has the same beneficial effects. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the structure of the filtration assembly provided by this utility model;

[0039] Figure 2 A schematic diagram of the pretreatment equipment provided by this utility model;

[0040] Figure 3 This is a schematic diagram of the internal structure of the pretreatment equipment provided by this utility model;

[0041] Figure 4 This is a partial structural schematic diagram of the pretreatment equipment provided by this utility model.

[0042] In the picture:

[0043] 1. Housing; 2. Temperature controller; 3. Vacuum pump; 4. Solid-state relay; 5. Display screen; 6. Control switch; 7. Waste liquid discharge port; 8. Waste liquid discharge pipe; 9. Valve; 10. Connecting part; 11. Filtration assembly; 12. First mounting port; 13. Second mounting port; 14. Negative pressure channel; 15. Filtration assembly; 16. First heating assembly; 17. Base plate; 18. Liquid storage chamber; 19. First interface; 20. Negative pressure puncture needle; 21. Receiving cavity. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0045] The core of this invention is to provide a filtration component that uses filler to adsorb impurities instead of slits to filter impurities, thus solving the problems of low filtration efficiency and impurity residue in polymer reagents.

[0046] Another key aspect of this invention is providing a filtration assembly that includes the aforementioned filtration components. By employing negative pressure, the polymer reagent is accelerated through the filtration assembly, thereby improving filtration efficiency.

[0047] Another core aspect of this utility model is to provide a pretreatment device including the above-mentioned filtration components, which has the same technical features and can solve the same technical problems.

[0048] Please refer to Figure 1 A filtering component, comprising:

[0049] The shell is a columnar structure, and its inner cavity is filled with filler.

[0050] At least two puncture needles are respectively placed at both ends of the housing and connected to the inner cavity of the housing.

[0051] By filling the shell with packing material, the surface adsorption capacity of the packing material is utilized to adsorb impurities in the polymer reagent flowing across the packing surface, replacing the traditional metal filter that relies on gaps to filter the polymer reagent. This avoids the reduction in filtration efficiency caused by gap clogging. At the same time, the columnar structure of the shell effectively increases the amount of packing material inside, and the puncture needles are arranged at both ends of the shell, so that the inlet and outlet of the filter assembly 15 are located at the two ends of the shell. Therefore, the polymer reagent needs to pass through the shell axially, increasing the contact probability between the polymer reagent and the packing material, improving the adsorption rate of impurities in the polymer reagent, and thus improving the removal rate of impurities in the polymer reagent.

[0052] Furthermore, the filter assembly 15 adopts a puncture needle structure design at both ends, which can achieve rapid connection with the container and ensure the sealing of the connection position after connection, making it easy to achieve positive or negative pressure auxiliary filtration to increase filtration efficiency.

[0053] In addition to the filtration components disclosed in the above embodiments, this utility model also provides a vacuum filtration component, comprising:

[0054] The receiving cavity 21 is used for the detachable installation of the above-mentioned filter assembly 15. The receiving cavity 21 includes a first mounting port 12 and a second mounting port 13. The first mounting port 12 is used to fix the sample container, and the second mounting port 13 is used to fix the liquid collection container. When the sample container and the liquid collection container are fixed to the receiving cavity 21, the puncture needles at both ends of the filter assembly 15 are punctured and connected to the sample container and the liquid collection container at the corresponding positions, respectively.

[0055] The negative pressure channel 14 has one end connected to a negative pressure source and the other end connected to a negative pressure puncture needle 20 for puncturing and connecting to the liquid collection container fixed to the receiving cavity 21.

[0056] like Figure 1 As shown, the filter assembly 15 is detachably installed in the receiving cavity 21, which facilitates the replacement of the filter assembly 15 for one-time use. The receiving cavity 21 is provided with a first installation port 12 and a second installation port 13 at both ends to fix the sample container and the liquid collection container, which helps to ensure the stability of the relative position of the filter assembly 15 with the sample container and the liquid collection container during the filtration process.

[0057] At the same time, a negative pressure channel 14 is added to form a negative pressure in the liquid collection container. The negative pressure adsorption is used to accelerate the polymer reagent through the filter component 15 and improve the filtration efficiency.

[0058] Meanwhile, the negative pressure channel 14 is designed with a negative pressure puncture needle 20 to connect with the liquid collection container, which helps to quickly install the liquid collection container and ensures the airtightness of the connection between the liquid collection container and the negative pressure channel 14 after installation.

[0059] In some embodiments, the receiving cavity 21 is a vertically conductive structure and is provided with a limiting step inside for axial limiting of the filter assembly 15 when it is installed from top to bottom.

[0060] like Figure 1 As shown, a limiting step is provided in the receiving cavity 21. When the filter assembly 15 is installed from the top of the receiving cavity 21, the limiting step can abut against the end of the housing of the filter assembly 15 and limit its movement, and allow the puncture needle at the end of the housing to pass through, so that the puncture needle can puncture and connect with the collection container below, thereby facilitating the quick installation and replacement of the filter assembly 15, and ensuring that the filter assembly 15 has a stable installation position after replacement.

[0061] In some embodiments, the filtration assembly further includes a first heating assembly 16 disposed in the receiving cavity 21 for heating the filtration assembly 15.

[0062] like Figure 1 As shown, a first heating component 16 is integrated in the receiving cavity 21 to heat the filter component 15, thereby increasing the temperature and reducing the viscosity of the polymer reagent when it passes through the filter component 15, and increasing the activity of the filler and the adsorption efficiency of impurities, thereby improving the removal rate of impurities in the polymer reagent.

[0063] In some embodiments, the first heating component 16 has a cylindrical structure, and when the filter component 15 is installed in the receiving cavity 21, the first heating component 16 is wrapped around the outer periphery of the housing of the filter component 15.

[0064] like Figure 1 As shown, the receiving cavity 21 adopts a cylindrical structure, the filter component 15 is a cylindrical structure, and the first heating component 16 is a cylindrical structure and is integrated inside the receiving cavity 21. When the filter component 15 is installed, the outer wall of the filter component 15 contacts the first heating component 16, thereby improving the heating effect.

[0065] In some embodiments, the filtration assembly further includes a liquid storage chamber 18, which is provided with a first interface 19 for connecting a negative pressure source.

[0066] The end of the negative pressure channel 14 away from the negative pressure puncture needle 20 is connected to the liquid storage chamber 18.

[0067] like Figure 1 As shown, by adding a liquid storage chamber 18 between the negative pressure channel 14 and the negative pressure source, the waste liquid entering the negative pressure channel 14 can be collected in the liquid storage chamber 18, thereby avoiding equipment damage caused by the waste liquid entering the negative pressure source.

[0068] In some embodiments, the liquid storage chamber 18 further includes an openable and closable second interface, which is located at a low position in the liquid storage chamber 18 and is used to drain the accumulated liquid in the liquid storage chamber 18.

[0069] By providing an openable and closable second interface at a low position in the liquid storage chamber 18, it is convenient to directly discharge the accumulated liquid in the liquid storage chamber 18, and when the second interface is closed, the airtightness of the liquid storage chamber 18 can be guaranteed.

[0070] Meanwhile, it is preferable that the height of the first interface 19 is higher than that of the second interface, so as to prevent the liquid in the liquid storage chamber 18 from entering the negative pressure source through the first interface 19.

[0071] In addition to the filtration components disclosed in the above embodiments, this utility model also provides a pretreatment device, including:

[0072] The filtration component 11 of any of the above;

[0073] The housing 1 has a connecting part 10 at the front end for fixing and connecting the filtration assembly 11;

[0074] The vacuum pump 3 has its negative pressure port connected to the negative pressure channel 14 of the filtration assembly 11.

[0075] like Figure 2 and Figure 3 As shown, the filtration assembly 11 is located at the front end of the housing 1 via the connecting part 10, which facilitates the user to replace the filtration assembly 15 and install the container. At the same time, a vacuum pump 3 is integrated inside the housing 1, which is directly connected to the negative pressure channel 14 to provide a stable negative pressure source for negative pressure filtration.

[0076] Meanwhile, a temperature controller 2 and a solid-state relay 4 are also integrated inside the housing 1 to control the temperature of the first heating component 16, so as to ensure that the filter component 15 is in a suitable operating temperature range and to ensure filtration efficiency.

[0077] Meanwhile, heat dissipation holes are provided on the side wall of the housing 1 for heat dissipation of the temperature controller 2, vacuum pump 3 and solid-state relay 4.

[0078] like Figure 4 As shown, in some embodiments, a waste liquid discharge port 7 is provided on the side wall of the housing 1, which is connected to the second interface of the filtration assembly 11 through a pipe, and a waste liquid discharge pipe 8 with a valve 9 is provided at the waste liquid discharge port 7, thereby facilitating waste liquid discharge and sealing of the second interface.

[0079] In some embodiments, the pretreatment device further includes a display screen 5 and a control switch 6 disposed on the top of the housing 1;

[0080] Display screen 5 is used to display the operating parameters of vacuum pump 3, and control switch 6 is used to control the operating status of vacuum pump 3.

[0081] like Figure 2 and Figure 3As shown, the display screen 5 and control switch 6 are positioned at the top or front of the top of the housing 1 to reduce the obstruction of the display screen 5 and control switch 6 by the filtration assembly 11, making it easier for users to observe and operate the data.

[0082] In some embodiments, the pretreatment device further includes a base plate 17 disposed at the bottom of the front end of the housing 1;

[0083] The surface of the housing 1 is provided with several receiving slots for fixing and holding sample containers and liquid collection containers.

[0084] like Figure 2 and Figure 3 As shown, a base plate 17 is provided at the bottom front end of the housing 1, with several receiving slots for storing sample containers and liquid collection containers. A receiving slot is provided at the position corresponding to the second mounting port 13 on the base plate 17 to receive waste liquid falling from the second mounting port 13. When installing the liquid collection container, the receiving slot can also avoid obstacles, thereby increasing the installation space under the suction filtration assembly 11 and facilitating user operation.

[0085] The structure of the other parts of this pretreatment equipment is described in reference to existing technologies and will not be repeated here.

[0086] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0087] The filtration assembly, vacuum filtration assembly, and pretreatment equipment provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A filter assembly, characterized in that, include: A shell, wherein the shell has a columnar structure and the inner cavity of the shell is filled with filler; At least two puncture needles are respectively disposed at both ends of the housing and communicate with the inner cavity of the housing.

2. A suction filtration assembly characterized by, include: The receiving cavity (21) is used for detachable installation of the filter assembly (15) according to claim 1. The receiving cavity (21) includes a first mounting port (12) and a second mounting port (13). The first mounting port (12) is used to fix the sample container, and the second mounting port (13) is used to fix the liquid collection container. When the sample container and the liquid collection container are fixed to the receiving cavity (21), the puncture needles at both ends of the filter assembly (15) are punctured and connected to the sample container and the liquid collection container at the corresponding positions, respectively. The negative pressure channel (14) has one end connected to a negative pressure source and the other end connected to a negative pressure puncture needle (20) for puncturing and connecting the liquid collection container fixed to the receiving cavity (21).

3. The filtration assembly of claim 2, wherein, The receiving cavity (21) is a vertically conductive structure, and a limiting step is provided inside for axial limiting of the filter assembly (15) when it is installed from top to bottom.

4. The filtration assembly of claim 2, wherein, It also includes a first heating component (16) disposed in the receiving cavity (21) for heating the filter component (15).

5. The filtration assembly of claim 4, wherein, The first heating component (16) has a cylindrical structure. When the filter component (15) is installed in the receiving cavity (21), the first heating component (16) is wrapped around the outer periphery of the housing of the filter component (15).

6. The filtration assembly of claim 2, wherein, It also includes a liquid storage chamber (18), which is provided with a first interface (19) for conducting a negative pressure source; The end of the negative pressure channel (14) away from the negative pressure puncture needle (20) is connected to the liquid storage chamber (18).

7. The filtration assembly of claim 6, wherein, The liquid storage chamber (18) also includes a second openable and closable interface, which is located at a low position in the liquid storage chamber (18) and is used to drain the accumulated liquid in the liquid storage chamber (18).

8. A pre-treatment apparatus characterized by, include: The filtration assembly (11) according to any one of claims 2-7; The housing (1) has a connecting part (10) at the front end for fixing the filter assembly (11). The vacuum pump (3) has its negative pressure port connected to the negative pressure channel (14) of the filter assembly (11).

9. The pre-treatment apparatus according to claim 8, characterized in that, It also includes a display screen (5) and a control switch (6) located on the top of the housing (1); The display screen (5) is used to display the working parameters of the vacuum pump (3), and the control switch (6) is used to control the working status of the vacuum pump (3).

10. The pre-processing apparatus according to claim 8, wherein It also includes a base plate (17), which is disposed at the bottom of the front end of the housing (1); The surface of the housing (1) is provided with several receiving slots for fixing and holding sample containers and liquid collection containers.

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