CN212731719U - Suspended matter filtering device - Google Patents
Suspended matter filtering device Download PDFInfo
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- CN212731719U CN212731719U CN202021165431.0U CN202021165431U CN212731719U CN 212731719 U CN212731719 U CN 212731719U CN 202021165431 U CN202021165431 U CN 202021165431U CN 212731719 U CN212731719 U CN 212731719U
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Abstract
The utility model discloses a suspended solid filter equipment relates to experimental facilities technical field, include: the filter cup is vertically arranged, the filter element is fixedly arranged in the filter cup and divides the inner space of the filter cup into an upper cavity and a lower cavity, the upper cavity is positioned above the filter element, the lower cavity is positioned below the filter element, the upper cavity is used for containing a water sample to be filtered, the filter element is used for filtering the water sample to be filtered, the filter cup is provided with an air inlet communicated with the upper cavity and an air outlet communicated with the lower cavity, the air inlet is communicated with an air outlet of the variable air pressure device, and the air outlet is communicated with an air suction port of the variable air pressure device; still be provided with a delivery port on the filter bowl, the delivery port communicates in cavity down, and the delivery port is used for and a container sealing connection, the utility model provides a suspended solid filter equipment can improve the filtration efficiency of water sample.
Description
Technical Field
The utility model relates to an experimental facilities technical field especially relates to a suspended solid filter equipment.
Background
In the treatment of water and wastewater, the determination of Suspended Solids (SS), namely total non-filterable residues, in the water and wastewater has important significance, the total non-filterable residues refer to substances which are obtained by intercepting a water sample on a filter through a certain filter and drying the water sample to constant weight under the condition of 103-105 ℃, and the substances are an important index for water environment monitoring and can comprehensively reflect the water quality characteristics of a water body and the characteristics and rules of migration, conversion and accommodation of chemical elements of the water body to a certain extent; the conventional independent and multiple suspended substance filtering devices have the following problems: 1. the filtration speed is low by simply using negative pressure filtration; 2. the effective filtering areas of the filter element and the filter membrane are small, and the filtering speed is further influenced; 3. the dope in the water sample adheres to the filter inside wall easily, influences the detection accuracy. Therefore, a new suspended matter filtering device is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a suspended solid filter equipment to solve the problem that above-mentioned prior art exists, improve the filtration efficiency of water sample.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a suspended solid filter equipment, include: the filter comprises a filter bowl, a filter element and an air pressure changing device, wherein the filter bowl is vertically arranged, the filter element is fixedly arranged in the filter bowl and divides the inner space of the filter bowl into an upper cavity and a lower cavity, the upper cavity is positioned above the filter element, the lower cavity is positioned below the filter element, the upper cavity is used for containing a water sample to be filtered, the filter element is used for filtering the water sample to be filtered, the filter bowl is provided with an air inlet communicated with the upper cavity and an air outlet communicated with the lower cavity, the air inlet is communicated with an air outlet of the air pressure changing device, and the air outlet is communicated with an air extraction opening of the air pressure changing device; the filter bowl is also provided with a water outlet which is communicated with the lower cavity and is used for being hermetically connected with a container.
Preferably, the filter cup comprises a cup body, a sealing cover and a fixed seat, the upper end and the lower end of the cup body are both provided with openings, the sealing cover is detachably and fixedly arranged on the opening at the upper end of the cup body and seals the upper end of the cup body, and the air inlet is arranged on the sealing cover; the fixing base is a shell with an upper end opening, the upper end opening of the fixing base can be detachably and fixedly connected and communicated with the lower end opening of the cup body, the water outlet and the air outlet are arranged on the fixing base, and the fixing base is used for being fixedly arranged on a supporting device.
Preferably, be provided with on the filter core and take open-ended holding chamber, the last opening in holding chamber communicate in the air inlet, the holding chamber is used for the holding treat the filtration water sample, the cross-sectional area in holding chamber diminishes from last to down gradually.
Preferably, the accommodating cavity is in a cone shape.
Preferably, the filter element comprises a filter sand core and a filter membrane, the filter sand core is fixedly arranged in the filter cup, the accommodating cavity is formed in the filter sand core, and the filter membrane is laid on the side wall of the accommodating cavity.
Preferably, the filter core includes conical funnel and filter membrane, be provided with a plurality of water hole of crossing on conical surface of conical funnel, the filter membrane is laid on the conical surface and will the water hole all covers of crossing.
Preferably, the filter bowl further comprises a plurality of fixing clips, a circumferential first flange extending in a direction far away from the sealing cover is arranged on the edge of the sealing cover, a second flange corresponding to the first flange is arranged on the edge of the upper opening of the bowl body, and the first flange and the second flange are fixedly connected through the plurality of fixing clips.
Preferably, the air pressure changing device is a positive and negative pressure dual-purpose air pump.
The utility model discloses for prior art gain following technological effect:
the utility model provides a suspended solid filter equipment, wherein, the variable air pressure device can pass through the air inlet and fill compressed gas in the cavity upwards, increase the pressure of the internal gas of epicoele, make the internal malleation state that is in of epicoele, the variable air pressure device can also take out the gas in the cavity down through the gas outlet simultaneously, reduce the internal gas pressure of cavity down, make the internal negative pressure state that is in of cavity down, malleation and negative pressure superposition effect make the gas pressure difference of going up between cavity and the cavity down great, the water sample of waiting to filter in the great last cavity of pressure can be by "pressure" in the less lower cavity of pressure, and the filtering efficiency is improved.
Further, the holding chamber in the filter core is the cone form, and the filtering surface is three-dimensional curved surface, and filter area is great, further improvement filtration efficiency, consequently, the utility model provides a filtration efficiency of improvement water sample that suspended solid filter equipment can be great.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a suspended matter filtering device provided in the first embodiment;
FIG. 2 is a schematic structural view of a suspended matter filtering apparatus provided in the second embodiment;
in the figure: 1-cup body, 2-sealing cover, 3-fixing seat, 4-conical funnel, 5-filter membrane, 6-water sample, 7-fixing clamp, 8-air pressure changing device, 9-filtering sand core and 10-filter core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 utility model aims at providing a suspended solid filter equipment to solve the problem that prior art exists, improve the filtration efficiency of water sample.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
The utility model provides a suspended solid filter equipment, as shown in figure 1, include: the filter comprises a filter bowl, a filter element 10 and a variable air pressure device 8, wherein the filter bowl is vertically arranged, the filter element 10 is fixedly arranged in the filter bowl and divides the inner space of the filter bowl into an upper cavity and a lower cavity, the upper cavity is positioned above the filter element 10, the lower cavity is positioned below the filter element 10, the upper cavity is used for containing a water sample 6 to be filtered, the filter element 10 is used for filtering the water sample 6 to be filtered, the filter bowl is provided with an air inlet communicated with the upper cavity and an air outlet communicated with the lower cavity, the air inlet is communicated with an air outlet of the variable air pressure device 8, and the air outlet is communicated with an air exhaust port of the; the filter bowl is also provided with a water outlet which is communicated with the lower cavity and arranged at the bottom of the filter bowl, the water outlet is used for being hermetically connected with a container, and the container is used for containing a filtered water sample 6; the air pressure changing device 8 can change the air pressure in the filter cup, and the air pressure changing device 8 can select two air pumps which are respectively used for inflating the upper cavity and exhausting the lower cavity; the variable air pressure device 8 can also select a positive and negative pressure dual-purpose air pump;
the variable gas pressure device 8 can fill compressed gas into the upper cavity through the gas inlet to increase the pressure of the gas in the upper cavity, and meanwhile, the variable gas pressure device 8 can also pump the gas in the lower cavity through the gas outlet, so that the gas pressure in the lower cavity is smaller, the gas pressure difference between the upper cavity and the lower cavity is larger, a water sample 6 to be filtered in the upper cavity with higher pressure can be pressed into the lower cavity with lower pressure, and the positive pressure and the negative pressure are superposed, so that the filtering efficiency of the water sample 6 is improved.
Further, the filter cup comprises a cup body 1, a sealing cover 2 and a fixed seat 3, wherein the upper end and the lower end of the cup body 1 are both provided with openings, the sealing cover 2 is detachably and fixedly arranged on the upper end opening of the cup body 1 and seals the upper end of the cup body 1, a worker opens the sealing cover 2 to add a water sample 6 to be filtered into the upper cavity from the upper end opening of the cup body 1, and an air inlet is arranged on the sealing cover 2; fixing base 3 is an upper end open-ended casing, and fixed connection can be dismantled and communicate on the lower extreme opening of cup 1 to the upper end opening of fixing base 3, and delivery port and gas vent are all seted up on fixing base 3, and fixing base 3 is used for fixed the setting on a strutting arrangement, and the aforesaid is connected sealedly, prevents to leak atmospheric pressure.
Further, be provided with on the filter core 10 and take open-ended holding chamber, the last open-ended in holding chamber communicates in the air inlet, and the holding chamber is used for the holding to wait to filter water sample 6, and the cross-sectional area in holding chamber diminishes from last to down gradually, and the filtering surface is three-dimensional curved surface, and the area of contact of three-dimensional curved surface and water sample 6 is greater than the area of contact of plane and water sample 6, has increased filtration efficiency.
Furthermore, the containing cavity is conical, the conical three-dimensional curved surface is smooth, and solid substances in the water sample 6 can fall to the bottom of the containing cavity under the action of gravity, so that the solid substances cannot block the filtering holes of the filter element 10, and the filtering efficiency is further improved; in addition, when the fixed substance is accumulated at the bottom of the accommodating cavity, the staff can conveniently take out the accumulated solid substance from the accommodating cavity, and the accuracy of the experiment is improved.
Further, the filter core 10 includes filtering sand core 9 and filter membrane 5, and filter membrane 5 is flexible filter membrane 5, and filter membrane 5 plays the effect of filtering water sample 6, preferably is microporous filter membrane 5, and filtering sand core 9 is fixed to be set up in the filter bowl, and the holding chamber sets up on filtering sand core 9, and filter membrane 5 lays on the lateral wall in holding chamber, and filtering sand core 9 plays the supporting role to filter membrane 5, and water sample 6 flows through filtering sand core 9 after the filtration of filter membrane 5 and flows into in the container from the delivery port.
Further, the filter bowl still includes a plurality of fixing clip 7, and the border of sealed lid 2 is provided with keeps away from the first flange of the circumference that sealed lid 2 direction extended earlier on, and cup 1's upper shed's border is provided with one and the corresponding second flange of first flange, and first flange and second flange pass through a plurality of fixing clip 7 fixed connection, and the border of cup 1 and sealed lid 2 is evenly laid in to fixing clip 7 circumference.
Further, the variable air pressure device 8 is a positive and negative pressure dual-purpose air pump.
Example two
As shown in fig. 2, the utility model provides another suspended solid filter equipment, the one difference with the embodiment is that the filter core in this embodiment includes conical hopper 4 and filter membrane 5, is provided with a plurality of on conical hopper 4's the conical surface and crosses the water hole, and conical hopper 4 plays the effect of supporting flexible filter membrane 5, and filter membrane 5 lays on conical surface and will cross the water hole and all cover.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A suspended matter filtering device is characterized in that: the method comprises the following steps: the filter comprises a filter bowl, a filter element and an air pressure changing device, wherein the filter bowl is vertically arranged, the filter element is fixedly arranged in the filter bowl and divides the inner space of the filter bowl into an upper cavity and a lower cavity, the upper cavity is positioned above the filter element, the lower cavity is positioned below the filter element, the upper cavity is used for containing a water sample to be filtered, the filter element is used for filtering the water sample to be filtered, the filter bowl is provided with an air inlet communicated with the upper cavity and an air outlet communicated with the lower cavity, the air inlet is communicated with an air outlet of the air pressure changing device, and the air outlet is communicated with an air extraction opening of the air pressure changing device; the filter bowl is also provided with a water outlet which is communicated with the lower cavity and is used for being hermetically connected with a container.
2. The suspended matter filtering device of claim 1, wherein: the filter cup comprises a cup body, a sealing cover and a fixed seat, wherein the upper end and the lower end of the cup body are both provided with openings, the sealing cover is detachably and fixedly arranged on the opening at the upper end of the cup body and seals the upper end of the cup body, and the air inlet is arranged on the sealing cover; the fixing base is a shell with an upper end opening, the upper end of the fixing base can be detachably and fixedly connected and communicated with the lower end opening of the cup body, the water outlet is formed in the air outlet, and the fixing base is fixedly arranged on a supporting device.
3. The suspended matter filtering device of claim 1, wherein: be provided with on the filter core and take open-ended holding chamber, the last opening in holding chamber communicate in the air inlet, the holding chamber is used for the holding treat the filtration water sample, the cross-sectional area in holding chamber diminishes from last to down gradually.
4. A suspended matter filtering device as claimed in claim 3, wherein: the accommodating cavity is in a cone shape.
5. The suspended matter filtering device of claim 4, wherein: the filter core comprises a filter sand core and a filter membrane, the filter sand core is fixedly arranged in the filter cup, the accommodating cavity is formed in the filter sand core, and the filter membrane is laid on the side wall of the accommodating cavity.
6. The suspended matter filtering device of claim 4, wherein: the filter core includes conical funnel and filter membrane, be provided with a plurality of on conical surface of conical funnel and cross the water hole, the filter membrane is laid on the conical surface and will cross the water hole and all cover.
7. The suspended matter filtering device of claim 2, wherein: the filter bowl further comprises a plurality of fixing clips, a circumferential first flange which is far away from the sealing cover in the extending direction is arranged on the edge of the sealing cover, a second flange which corresponds to the first flange is arranged on the edge of the upper opening of the bowl body, and the first flange and the second flange are fixedly connected through the plurality of fixing clips.
8. The suspended matter filtering device of claim 1, wherein: the air pressure changing device is a positive and negative pressure dual-purpose air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165431.0U CN212731719U (en) | 2020-06-22 | 2020-06-22 | Suspended matter filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165431.0U CN212731719U (en) | 2020-06-22 | 2020-06-22 | Suspended matter filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN212731719U true CN212731719U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021165431.0U Active CN212731719U (en) | 2020-06-22 | 2020-06-22 | Suspended matter filtering device |
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| CN (1) | CN212731719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834717A (en) * | 2021-09-24 | 2021-12-24 | 深圳超磁机器人科技有限公司 | A filter equipment for fabrics composition analysis |
-
2020
- 2020-06-22 CN CN202021165431.0U patent/CN212731719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834717A (en) * | 2021-09-24 | 2021-12-24 | 深圳超磁机器人科技有限公司 | A filter equipment for fabrics composition analysis |
| CN113834717B (en) * | 2021-09-24 | 2023-06-16 | 深圳超磁机器人科技有限公司 | A filter equipment for fabrics composition analysis |
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