CN210683401U - Cross-flow filtering type hydraulic cyclone structure - Google Patents
Cross-flow filtering type hydraulic cyclone structure Download PDFInfo
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- CN210683401U CN210683401U CN201921694537.7U CN201921694537U CN210683401U CN 210683401 U CN210683401 U CN 210683401U CN 201921694537 U CN201921694537 U CN 201921694537U CN 210683401 U CN210683401 U CN 210683401U
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Abstract
The utility model discloses a cross-flow filters formula water conservancy whirl structure, include: the spiral-flow pipe cavity main body comprises a connecting part, an inclined part and a straight pipe part, wherein one end of the connecting part is connected with the inclined part, the other end of the connecting part is provided with a sealing plate, one end of the connecting part, which is close to the sealing plate, is provided with a double-tangential inlet, and the middle part of the sealing plate is provided with an overflow port; one end of the inclined part, which is far away from the interface part, is connected with the straight pipe part, and the clear liquid collecting cavity is arranged at one end, which is close to the inclined part, of the straight pipe part; the clear liquid collecting cavity is communicated with the straight pipe part, and a microporous filter medium is arranged between the clear liquid collecting cavity and the straight pipe part; a clear liquid outlet is formed in one side, away from the inclined part, of the clear liquid collecting cavity, and an underflow opening is formed in one end, away from the inclined part, of the straight pipe part. The utility model discloses technical scheme aims at making the oily concentration of filtering back oil water mixture reduce, improves separation efficiency.
Description
Technical Field
The utility model relates to a filtration equipment technical field, in particular to cross-flow filters formula water conservancy whirl structure.
Background
At present, with the rapid development of economy and industry, the damage to the environment is increasingly serious, and oil-containing waste water is one of important pollution sources in global sewage pollution according to statistics. The gravity settling method has the defects of low separation speed, large occupied space of separation equipment, low efficiency, poor separation capability of emulsified oil and the like; in the filtering method, a filter screen or a filter membrane is easy to block, and a backwashing device is required to be installed under the common condition, so that the structure is complex, the operation is complicated, and the maintenance and the management are inconvenient; the conventional double-cone hydrocyclone, the gas-carrying liquid-liquid hydrocyclone, the mixed-flow hydrocyclone and the like have high oil-containing concentration, high viscosity and low oil-water mixture separation efficiency due to serious emulsification, and have limited capability of improving the separation effect of the hydrocyclone.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the main object of the present invention is to provide a cross-flow filtration type hydraulic cyclone structure, which combines the cyclone separation technology and the micro-pore filtration technology to promote the separation mechanism, and further reduces the oil content by providing a clear liquid collection chamber and a clear liquid outlet outside the micro-pore filtration medium; the oil content of the filtered oil-water mixture is reduced, and the separation efficiency is improved.
In order to achieve the above object, the utility model provides a cross-flow filters formula water conservancy whirl structure, include: the spiral-flow pipe cavity main body comprises a connecting part, an inclined part and a straight pipe part, wherein one end of the connecting part is connected with the inclined part, the other end of the connecting part is provided with a sealing plate, one end of the connecting part, which is close to the sealing plate, is provided with a double-tangential inlet, and the middle part of the sealing plate is provided with an overflow port; one end of the inclined part, which is far away from the interface part, is connected with the straight pipe part, and the clear liquid collecting cavity is arranged at one end, which is close to the inclined part, of the straight pipe part; the clear liquid collecting cavity is communicated with the straight pipe part, and a microporous filter medium is arranged between the clear liquid collecting cavity and the straight pipe part; a clear liquid outlet is formed in one side, away from the inclined part, of the clear liquid collecting cavity, and an underflow opening is formed in one end, away from the inclined part, of the straight pipe part.
Preferably, the inclined part comprises a first inclined pipe and a second inclined pipe, the pipe wall of the first inclined pipe forms an included angle of 150 degrees and 160 degrees with the central axis of the rotational flow pipe cavity main body, and the central axis of the first inclined pipe is 120mm in length.
Preferably, the axial length of the second inclined pipe is 800 mm.
Preferably, the microporous filter medium has a thickness of 5 mm.
Preferably, the diameter of the overflow is 5 mm.
Preferably, the microporous filter medium is a porous plastic tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the cyclone separation technology and the microporous filtration technology are combined to mutually promote the separation mechanism, and a clear liquid collecting cavity and a clear liquid outlet are arranged outside the microporous filtration medium to further reduce the oil content.
2. Compared with the conventional oil removal filter, the shearing force of the flow field plays a role in flushing a filter cake, so that the filtering performance can be improved, the microporous filtering medium is not easy to be bonded, and meanwhile, the oily sewage performs spiral motion on the microporous filtering medium, so that the contact time between the oily sewage and the microporous filtering medium can be prolonged, and the filtering separation is facilitated.
3. Compared with the conventional hydrocyclone, the cyclone separator has the advantages that the oil-containing concentration of the filtered oil-water mixture is reduced and the separation efficiency is improved due to the addition of one filtering flow.
4. The device has simple structure, small floor area, convenient installation and use and difficult blockage by deposits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present embodiment provides a cross-flow filtering type hydrocyclone structure, as shown in fig. 1, including: the spiral-flow pipe cavity comprises a spiral-flow pipe cavity main body and a clear liquid collecting cavity 700, wherein the spiral-flow pipe cavity main body comprises a connecting part 100, an inclined part 200 and a straight pipe part 300, one end of the connecting part 100 is connected with the inclined part 200, a sealing plate 400 is arranged at the other end of the connecting part 100, a double-tangential inlet (510/520) is arranged at one end, close to the sealing plate 400, of the connecting part 100, and an overflow port; one end of the inclined part 200 far away from the interface part 100 is connected with the straight pipe part 300, and the clear liquid collecting cavity 700 is arranged at one end of the straight pipe part 300 near the inclined part 200; the clear liquid collecting cavity 700 is communicated with the straight pipe part 300, and a microporous filter medium 600 is arranged between the clear liquid collecting cavity 700 and the straight pipe part; the clear liquid collecting cavity 700 is provided with a clear liquid outlet 710 at the side far away from the inclined part 200, and one end of the straight pipe part 300 far away from the inclined part 200 is provided with an underflow port 310.
The technical proposal of the utility model combines the cyclone separation technology (cyclone tube cavity main body) and the microporous filtration technology (clear liquid collection cavity 700 and microporous filtration medium 600) to promote them from the separation mechanism, and the clear liquid collection cavity 700 and the clear liquid outlet 710 arranged outside the microporous filtration medium 600 further reduce the oil content; compared with the conventional oil removal filter, the inclined part 200 is arranged, so that the shearing force of the flow field can flush the filter cake, the filtering performance can be improved, the microporous filtering medium 600 is not easy to be caked, and meanwhile, the oily sewage performs spiral line motion on the microporous filtering medium 600, so that the contact time between the oily sewage and the microporous filtering medium 600 can be prolonged, and the filtering separation is facilitated; compared with the conventional hydrocyclone, the oil-water separator has the advantages that as one filtering flow is added, the oil-containing concentration of the filtered oil-water mixture is reduced, and the separation efficiency is improved; the device has simple structure, small floor area, convenient installation and use and difficult blockage by deposits.
Further, in the embodiment of the present invention, the inclined portion 200 includes a first inclined tube 210 and a second inclined tube 220, the tube wall of the first inclined tube 210 and the central axis of the main body of the swirling flow lumen are at an included angle of 150 and 160 degrees, and the central axis of the first inclined tube 210 is 120mm in length. The axial center line length of the second inclined tube 220 is 800 mm. The oil-water mixture is mainly subjected to oil-water separation under the action of centrifugal force in the cross-flow filtering type hydraulic cyclone structure, the inclined angle of the pipe wall of the inclined part 200 and the length of the pipe cavity can best ensure the speed of wastewater passing through the microporous filtering medium 600, a certain pressure difference is ensured, and the best filtering effect is achieved.
Further, in an embodiment of the present invention, the thickness of the microporous filter medium 600 is 5 mm.
Further, in the embodiment of the present invention, the diameter of the overflow port 410 is 5 mm.
Further, in the present embodiment, the microporous filter medium 600 is a porous plastic tube.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A cross-flow filtration hydrocyclone structure, comprising: the spiral-flow pipe cavity main body comprises a connecting part, an inclined part and a straight pipe part, wherein one end of the connecting part is connected with the inclined part, the other end of the connecting part is provided with a sealing plate, one end of the connecting part, which is close to the sealing plate, is provided with a double-tangential inlet, and the middle part of the sealing plate is provided with an overflow port; one end of the inclined part, which is far away from the interface part, is connected with the straight pipe part, and the clear liquid collecting cavity is arranged at one end, which is close to the inclined part, of the straight pipe part; the clear liquid collecting cavity is communicated with the straight pipe part, and a microporous filter medium is arranged between the clear liquid collecting cavity and the straight pipe part; a clear liquid outlet is formed in one side, away from the inclined part, of the clear liquid collecting cavity, and an underflow opening is formed in one end, away from the inclined part, of the straight pipe part.
2. The cross-flow filtering hydrocyclone structure of claim 1, wherein the inclined portion comprises a first inclined pipe and a second inclined pipe, the pipe wall of the first inclined pipe and the central axis of the cyclone pipe cavity body form an included angle of 150-160 degrees, and the central axis of the first inclined pipe is 120mm in length.
3. The cross-flow filtered hydrocyclone structure according to claim 2, wherein the second inclined tube has an axial length of 800 mm.
4. The cross-flow filtered hydrocyclone structure according to any of claims 1-3, wherein the microporous filter medium has a thickness of 5 mm.
5. The cross-flow filtered hydrocyclone structure according to any of claims 1-3, wherein the overflow outlets have a diameter of 5 mm.
6. The cross-flow filtered hydrocyclone structure of any of claims 1 to 3, wherein the microporous filter medium is a porous plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694537.7U CN210683401U (en) | 2019-10-10 | 2019-10-10 | Cross-flow filtering type hydraulic cyclone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694537.7U CN210683401U (en) | 2019-10-10 | 2019-10-10 | Cross-flow filtering type hydraulic cyclone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210683401U true CN210683401U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921694537.7U Active CN210683401U (en) | 2019-10-10 | 2019-10-10 | Cross-flow filtering type hydraulic cyclone structure |
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| Country | Link |
|---|---|
| CN (1) | CN210683401U (en) |
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2019
- 2019-10-10 CN CN201921694537.7U patent/CN210683401U/en active Active
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