CN212881305U - High-efficiency filter - Google Patents
High-efficiency filter Download PDFInfo
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- CN212881305U CN212881305U CN202021313929.7U CN202021313929U CN212881305U CN 212881305 U CN212881305 U CN 212881305U CN 202021313929 U CN202021313929 U CN 202021313929U CN 212881305 U CN212881305 U CN 212881305U
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- suction filter
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Abstract
The utility model provides a high efficiency filter, include: the bottom and the side wall of the filter barrel are provided with filter holes; the suction filter cavity group is sleeved on the outer side of the filter barrel and is connected with the suction filter cavities end to end; the liquid collecting hopper is arranged at the bottom of the filter barrel, a liquid discharge pipe is arranged at the bottom of the liquid collecting hopper, and a vacuum connecting pipe is connected to the liquid collecting hopper; one end of the main suction filter pipe is communicated with the liquid collecting hopper, and the other end of the main suction filter pipe is respectively communicated with the suction filter cavities; and the suction filter cavity is provided with an electromagnetic valve for communicating or stopping the suction filter cavity with the main suction filter pipe. The utility model discloses well filter vat's bottom and lateral wall all are provided with the filtration pore, can increase filtration area through seting up the filtration pore at the lateral wall of filter vat and improve filtration efficiency.
Description
Technical Field
The utility model belongs to the technical field of inhale the filter, concretely design high efficiency filter.
Background
Vacuum suction filter discs are commonly used in the field of biopharmaceuticals for solid-liquid separation of slurries. The vacuum suction filter disc is a device which uses vacuum as filtering power to separate solid from liquid in slurry. The vacuum suction filter disc is driven by a motor through a speed reducer and gear transmission to rotate at a certain rotating speed in a groove body filled with slurry, and when a certain filter fan of the filter disc is positioned in a filter adsorption area, a pressure difference is formed on two sides of a filter medium under the action of a vacuum pump, so that solid materials are adsorbed on the filter medium (filter cloth) to form a filter cake.
In the prior art, as a Chinese utility model patent with the application number of CN201920917405.X, an anti-suck-back vacuum suction filter disc is disclosed, which comprises a filter tank and a filter plate, wherein the filter plate is arranged inside the filter tank, the filter plate divides the filter tank into two parts, a vacuum connecting pipe is arranged inside the filter tank and below the filter plate, and a protection mechanism for preventing suck-back is arranged at the pipe orifice of the vacuum connecting pipe; in above-mentioned prior art, only be provided with the filter in the bottom of filter tank, only can filter the ground paste in filter department, and filter area is less, leads to filter efficiency not high.
Therefore, a high efficiency filter with increased filtering area and increased filtering efficiency is needed to solve the current technical problems.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides an increase filter area improves filtration efficiency's high efficiency filter.
The technical scheme of the utility model is that: a high efficiency filter comprising: the bottom and the side wall of the filter barrel are provided with filter holes; the suction filter cavity group is sleeved on the outer side of the filter barrel and is connected with the suction filter cavities end to end; the liquid collecting hopper is arranged at the bottom of the filter barrel, a liquid discharge pipe is arranged at the bottom of the liquid collecting hopper, and a vacuum connecting pipe is connected to the liquid collecting hopper; one end of the main suction filter pipe is communicated with the liquid collecting hopper, and the other end of the main suction filter pipe is respectively communicated with the suction filter cavities; and the suction filter cavity is provided with an electromagnetic valve for communicating or stopping the suction filter cavity with the main suction filter pipe.
The suction filter cavity group is provided with a first suction filter cavity, a second suction filter cavity and a third suction filter cavity which correspond to and are communicated with the filter holes on the side wall of the filter barrel, and the three suction filter cavities of the first suction filter cavity, the second suction filter cavity and the third suction filter cavity are all annular cavity structures which are fixedly sleeved on the outer side of the filter barrel and are connected end to end.
The first suction filter cavity is communicated with the main suction filter pipe through a first suction filter pipe, and a first electromagnetic valve is arranged on the first suction filter pipe; the second suction filter cavity is communicated with the main suction filter pipe through a second suction filter pipe, and a second electromagnetic valve is arranged on the second suction filter pipe; the third suction filter cavity is communicated with the main suction filter pipe through a third suction filter pipe, and a third electromagnetic valve is arranged on the third suction filter pipe.
The liquid collecting hopper is of a funnel-shaped structure, the top of the liquid collecting hopper is matched with the bottom of the filter vat in size, and the liquid collecting hopper is fixedly arranged at the bottom of the filter vat.
The vacuum connecting pipe horizontally penetrates through the upper end of the liquid collecting bucket, and an air suction opening is formed in the bottom of one end, located inside the liquid collecting bucket, of the vacuum connecting pipe.
A floating ball switch is fixedly arranged in the liquid collecting hopper, and the detection position of the floating ball switch is not higher than the bottom of the air suction opening.
The utility model has the advantages that: the utility model discloses well filter vat's bottom and lateral wall all are provided with the filtration pore, can increase filtration area through seting up the filtration pore at the lateral wall of filter vat and improve filtration efficiency.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention.
Fig. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a cross-sectional view taken at a-a in fig. 2.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
The high efficiency filter shown in fig. 1 to 3 comprises: the filter comprises a filter barrel 1, wherein filter holes 2 are formed in the bottom and the side wall of the filter barrel 1, the filter holes 2 are formed in the side wall of the filter barrel 1, so that the filter area can be increased, the filter efficiency is improved, and filter cloth is sleeved in the filter barrel 1 for filtering before filtering; the suction filter cavity group is sleeved on a plurality of suction filter cavities which are arranged outside the filter barrel 1 and connected end to end; the liquid collecting bucket 13 is characterized in that the liquid collecting bucket 3 is arranged at the bottom of the filter barrel 1, a liquid discharge pipe 14 is arranged at the bottom of the liquid collecting bucket 13, the liquid collecting bucket 13 is connected with a vacuum connecting pipe 15, and the vacuum connecting pipe 15 is required to be connected with vacuum-pumping equipment such as a vacuum pump when in use; a main suction filter pipe 12, wherein one end of the main suction filter pipe 12 is communicated with a liquid collecting hopper 13, and the other end of the main suction filter pipe 12 is respectively communicated with a plurality of suction filter cavities; the suction filter cavity is provided with an electromagnetic valve for communicating or stopping the suction filter cavity with the main suction filter pipe 12; in this embodiment, before suction filtration, filter cloth is sleeved in the filter barrel 1, then slurry is filled in the filter barrel 1, and then the vacuum is pumped out of the liquid collecting hopper 13 through the vacuum connecting pipe 15, so that the internal pressure of the liquid collecting hopper 13 is lower than the external pressure, and liquid is pressed through the filter cloth under the action of atmospheric pressure, enters the suction filtration cavity, and then enters the liquid collecting hopper 13 through the main suction filtration pipe 12.
In order to avoid that the suction and filtration cavity on the upper layer is communicated with the atmosphere in the liquid level descending process and reduce the pressure difference between the inside and the outside of the liquid collecting hopper 13, a gas pressure switch can be arranged on the vacuum connecting pipe 15 and used for detecting the gas pressure inside the liquid collecting hopper 13, a controller is used for sampling the gas pressure switch, and a first pressure value when the suction and filtration cavity is not communicated with the atmosphere and a second pressure value when the suction and filtration cavity is communicated with the atmosphere can be measured through limited experiments; suction filtration is normally carried out, when the detection value of the gas pressure switch is a first pressure value, it is indicated that the suction filtration cavity is not communicated with the atmosphere, when the detection value of the gas pressure switch is changed into a second pressure value, it is indicated that the suction filtration cavity at the uppermost layer is communicated with the atmosphere, at the moment, the electromagnetic valve corresponding to the suction filtration cavity is closed, the connection between the main suction filtration pipe 12 and the suction filtration cavity is cut off, so that the internal pressure of the liquid collecting hopper 13 is restored to the first pressure value, and the suction force to the slurry is ensured; with the descending of the liquid level of the slurry, according to the principle, all the electromagnetic valves are cut off in sequence, so that the suction force on the slurry can be kept unaffected in the whole process of suction filtration.
As shown in fig. 3, the suction filter cavity group is provided with a first suction filter cavity 3, a second suction filter cavity 4 and a third suction filter cavity 5 which correspond to and are communicated with the filter holes 2 on the side wall of the filter barrel 1, the three suction filter cavities of the first suction filter cavity 3, the second suction filter cavity 4 and the third suction filter cavity 5 are all annular cavity structures which are fixedly sleeved outside the filter barrel 1 and are connected end to end, the inner bottoms of the first suction filter cavity 3, the second suction filter cavity 4 and the third suction filter cavity 5 are communicated with the filter barrel 1 through the filter holes 2, and after the electromagnetic valve is closed, liquid can flow back to the inside of the filter barrel 1 through the filter holes 2.
The first suction filter cavity 3 is communicated with a main suction filter pipe 12 through a first suction filter pipe 6, a first electromagnetic valve 9 is arranged on the first suction filter pipe 6, the first electromagnetic valve 9 is connected with a controller, and the first suction filter pipe 6 is communicated or stopped through the controller, so that the first suction filter cavity 3 is communicated or stopped with the main suction filter pipe 12; the second suction filter cavity 4 is communicated with a main suction filter pipe 12 through a second suction filter pipe 7, and a second electromagnetic valve 10 is arranged on the second suction filter pipe 7; the second electromagnetic valve 10 is connected with the controller, and the second suction filter pipe 7 is controlled to be communicated or cut off by the controller, so that the second suction filter cavity 4 is communicated or cut off with the main suction filter pipe 12; the third suction filter cavity 5 is communicated with a main suction filter pipe 12 through a third suction filter pipe 8, a third electromagnetic valve 11 is arranged on the third suction filter pipe 8, the third electromagnetic valve 11 is connected with a controller, and the third suction filter pipe 8 is communicated or stopped through the controller, so that the third suction filter cavity 5 is communicated or stopped with the main suction filter pipe 12.
The liquid collecting hopper 13 is of a funnel-shaped structure, the top of the liquid collecting hopper 13 is matched with the bottom of the filter vat 1 in size, the liquid collecting hopper 13 is fixedly welded at the bottom of the filter vat 1, and the liquid filtered out of the filter vat 1 can be collected by the liquid collecting hopper 13 and is discharged outwards through the liquid discharge pipe 14.
The vacuum connecting pipe 15 is horizontally arranged at the upper end of the liquid collecting hopper 13 in a penetrating mode, the bottom of one end, located inside the liquid collecting hopper 13, of the vacuum connecting pipe 15 is provided with an air pumping hole 18, the air pumping hole 18 is formed in the bottom of the vacuum connecting pipe 15 and is opened downwards, and filtrate can be prevented from entering the air pumping hole 18.
The inside fixed float switch 16 that is provided with of collecting hopper 13, the bottom of fluid-discharge tube 14 sets up the flowing back solenoid valve, the detection position of float switch 16 is not higher than the bottom of extraction opening 18, sample float switch 16 through the controller, after the inside liquid level of collecting hopper 13 rises and triggers float switch 16, cut off vacuum connecting pipe 15 or break the air-extracting equipment who connects on the vacuum connecting pipe 15 through the solenoid valve, avoid taking the filtrating out, open the flowing back solenoid valve simultaneously and discharge the inside filtrating of collecting hopper 13 after a period, close the flowing back solenoid valve, resume to inhale and strain.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A high efficiency filter, comprising:
the bottom and the side wall of the filter barrel are provided with filter holes;
the suction filter cavity group is sleeved on the outer side of the filter barrel and is connected with the suction filter cavities end to end;
the liquid collecting hopper is arranged at the bottom of the filter barrel, a liquid discharge pipe is arranged at the bottom of the liquid collecting hopper, and a vacuum connecting pipe is connected to the liquid collecting hopper;
one end of the main suction filter pipe is communicated with the liquid collecting hopper, and the other end of the main suction filter pipe is respectively communicated with the suction filter cavities;
and the suction filter cavity is provided with an electromagnetic valve for communicating or stopping the suction filter cavity with the main suction filter pipe.
2. The high efficiency filter of claim 1, wherein: the suction filter cavity group is provided with a first suction filter cavity, a second suction filter cavity and a third suction filter cavity which correspond to and are communicated with the filter holes on the side wall of the filter barrel, and the three suction filter cavities of the first suction filter cavity, the second suction filter cavity and the third suction filter cavity are all annular cavity structures which are fixedly sleeved on the outer side of the filter barrel and are connected end to end.
3. The high efficiency filter of claim 2, wherein: the first suction filter cavity is communicated with the main suction filter pipe through a first suction filter pipe, and a first electromagnetic valve is arranged on the first suction filter pipe; the second suction filter cavity is communicated with the main suction filter pipe through a second suction filter pipe, and a second electromagnetic valve is arranged on the second suction filter pipe; the third suction filter cavity is communicated with the main suction filter pipe through a third suction filter pipe, and a third electromagnetic valve is arranged on the third suction filter pipe.
4. The high efficiency filter of claim 1, wherein: the liquid collecting hopper is of a funnel-shaped structure, the top of the liquid collecting hopper is matched with the bottom of the filter vat in size, and the liquid collecting hopper is fixedly arranged at the bottom of the filter vat.
5. The high efficiency filter of claim 1, wherein: the vacuum connecting pipe horizontally penetrates through the upper end of the liquid collecting bucket, and an air suction opening is formed in the bottom of one end, located inside the liquid collecting bucket, of the vacuum connecting pipe.
6. The high efficiency filter of claim 5, wherein: a floating ball switch is fixedly arranged in the liquid collecting hopper, and the detection position of the floating ball switch is not higher than the bottom of the air suction opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313929.7U CN212881305U (en) | 2020-07-07 | 2020-07-07 | High-efficiency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313929.7U CN212881305U (en) | 2020-07-07 | 2020-07-07 | High-efficiency filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212881305U true CN212881305U (en) | 2021-04-06 |
Family
ID=75284047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021313929.7U Active CN212881305U (en) | 2020-07-07 | 2020-07-07 | High-efficiency filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212881305U (en) |
-
2020
- 2020-07-07 CN CN202021313929.7U patent/CN212881305U/en active Active
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