CN113371789A - Cyclone, cyclone system and water purification method - Google Patents
Cyclone, cyclone system and water purification method Download PDFInfo
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- CN113371789A CN113371789A CN202110755922.3A CN202110755922A CN113371789A CN 113371789 A CN113371789 A CN 113371789A CN 202110755922 A CN202110755922 A CN 202110755922A CN 113371789 A CN113371789 A CN 113371789A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000746 purification Methods 0.000 title claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 45
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 38
- 238000009825 accumulation Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000006228 supernatant Substances 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 39
- 238000009295 crossflow filtration Methods 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 22
- 239000007788 liquid Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Cyclones (AREA)
Abstract
The disclosure relates to the technical field of water treatment, in particular to a cyclone, a cyclone system and a water purification method. The main body part of the cyclone comprises a cyclone part and a sand accumulation part, the cyclone part is communicated with the sand accumulation part, and the diameter of the radial section of the sand accumulation part is gradually reduced from the inlet end of the sand accumulation part to the outlet end of the sand accumulation part; the water producing part is inserted into the inner cavity of the rotational flow part; the overflow part is inserted into an inner cavity of the water production part, a second gap is formed between the outer wall of the overflow part and the inner wall of the water production part, the overflow part comprises an ultrafiltration part, and the ultrafiltration part is configured to physically filter the rotational flow supernatant; the water production section is configured to collect the water produced by the ultrafiltration section. The swirling system comprises at least one swirler. This openly compounds whirl portion and ultrafiltration portion, has held back the quality of water of having guaranteed the swirler and producing water through physics, has saved area to a certain extent, improves the separation precision to a certain extent.
Description
Technical Field
The disclosure relates to the technical field of water treatment, in particular to a cyclone, a cyclone system and a water purification method.
Background
Hydrocyclones are devices that use a rotating flow for classification, and are also used for concentration and dewatering. The liquid is fed under pressure into the cyclone along the feed pipe and then undergoes a rotary motion under the restriction of the wall. The coarse particles are thrown to the wall of the vessel due to the large inertial centrifugal force and gradually flow downwards to be discharged from the bottom to be settled. The fine particles move to the wall of the device at a lower speed, and are driven by the liquid flowing towards the center to flow out of the overflow pipe to form overflow. Because the hydrocyclone separation precision is limited, micron-sized impurities (bacteria and the like) exist in overflow liquid, only pretreatment can be carried out, and items such as direct drinking water and the like which have requirements on water quality cannot be directly realized, so that the application is limited.
Disclosure of Invention
The present disclosure provides a cyclone, a cyclone system and a water purification method to solve the technical problem recognized by the inventor that the separation accuracy of a hydrocyclone is limited.
The present disclosure provides a swirler, comprising:
the main body part comprises a rotational flow part and a sand accumulation part, the rotational flow part is communicated with the sand accumulation part and is positioned above the sand accumulation part, the sand accumulation part is provided with an inlet end and an outlet end which are opposite, and the diameter of the radial section of the sand accumulation part is gradually reduced from the inlet end of the sand accumulation part to the outlet end of the sand accumulation part;
the water generating part is inserted into the inner cavity of the rotational flow part, and a first gap is formed between the outer wall of the water generating part and the inner wall of the rotational flow part; and
an overflow portion inserted into an inner cavity of the water-producing portion, a second gap being provided between an outer wall of the overflow portion and an inner wall of the water-producing portion, the overflow portion including an ultrafiltration portion configured to physically filter a swirling supernatant; the water production section is configured to pool the water produced by the ultrafiltration section.
Optionally, the cyclone further comprises a water inlet pipe, and the water inlet pipe is communicated with the cyclone part.
Optionally, the outlet of the water inlet pipe is arranged tangentially to the outer circumference of the swirling portion.
Optionally, a lower end surface of the overflow portion is flush with an upper end surface of the sand accumulation portion.
Optionally, a closing cover is connected between the edge of the lower end of the overflow part and the edge of the lower end of the water-producing part.
Optionally, the ultrafiltration part is a tubular ceramic membrane, and the filtration pore diameter of the tubular ceramic membrane is 50nm-200 nm.
Optionally, the overflow part further comprises an upper pipe body, and the bottom end of the upper pipe body is connected with the top end of the ultrafiltration part.
Optionally, the diameter of the radial section of the water inlet pipe gradually decreases from the inlet of the water inlet pipe to the outlet of the water inlet pipe.
The present disclosure also provides a rotational flow system, which includes: at least one said cyclone.
Optionally, the number of the cyclones is multiple, and the cyclones are communicated with each other.
The present disclosure also provides a water purification method, comprising:
causing the fluid to flow downwardly by means of a spiral flow;
making the fluid after the rotational flow out along an overflow path;
cross-flow filtering at least a portion of the fluid flowing along the overflow path;
and collecting the fluid after cross-flow filtration.
The beneficial effect of this disclosure mainly lies in:
according to the cyclone, the cyclone system and the water purification method, fluid is enabled to do spiral motion along the inner wall of the cyclone part through the cyclone part, and separated gravel is collected through the sand accumulation part; the fluid which turns upwards flows into the overflow part again, and part of the fluid flows through the ultrafiltration part, flows into the water production part in a cross flow filtration mode and flows into the water production part; because of cross-flow filtration, most of the fluid flows out through the overflow part; because the overflow portion has set up ultrafiltration portion, consequently can improve the separation precision to a certain extent to because the overflow portion inserts in producing the water portion, consequently can delay the damage of high-speed rivers to ultrafiltration portion to a certain extent.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a cyclone provided in at least one or more embodiments;
FIG. 2 is a schematic view of another structure of a cyclone provided in at least one or more embodiments;
FIG. 3 is a schematic structural diagram of a swirling system provided in at least one or more embodiments.
Icon:
100-a cyclone; 101-a swirling section; 102-sand accumulation part; 103-a water-producing portion; 104-an ultrafiltration section; 105-feeding the tube body; 106 — a first gap; 107-second gap; 108-a sand drain; 109-a water inlet pipe; 110-closure cap.
Detailed Description
The technical solutions of the present disclosure will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
Referring to fig. 1, the present disclosure provides in one or more embodiments a cyclone 100, the cyclone 100 comprising a main section, a water producing section 103 and an overflow section; the main body part comprises a rotational flow part 101 and a sand accumulation part 102, the rotational flow part 101 is communicated with the sand accumulation part 102, the rotational flow part 101 is positioned above the sand accumulation part 102, the sand accumulation part 102 is provided with an inlet end and an outlet end which are opposite, and the diameter of the radial section of the sand accumulation part 102 is gradually reduced from the inlet end of the sand accumulation part 102 to the outlet end of the sand accumulation part 102; the water generating part 103 is inserted into the inner cavity of the rotational flow part 101, and a first gap 106 is formed between the outer wall of the water generating part 103 and the inner wall of the rotational flow part 101; the overflow portion is inserted into an inner cavity of the water-producing portion 103, a second gap 107 is formed between an outer wall of the overflow portion and an inner wall of the water-producing portion 103, the overflow portion comprises an ultrafiltration portion, and the ultrafiltration portion is configured to physically filter the rotational flow supernatant; a water production section configured to collect the water produced by the ultrafiltration section;
the ultrafiltration unit 104 filters the fluid flowing from the inner cavity of the ultrafiltration unit 104 to the second gap 107, i.e., the supernatant of the swirling flow.
In one embodiment, the radial cross-section of the swirl portion 101 is circular; the radial section of the sand accumulation part 102 is circular, the diameter of the radial section of the sand accumulation part 102 refers to the inner diameter of the radial section of the sand accumulation part 102, and the wall thickness of the sand accumulation part 102 is not counted; the inlet of the overflow part is communicated with the main body part, the outlet of the overflow part extends out of the water producing part 103, and the outlet of the overflow part is not communicated with the water producing part 103. The swirling portion 101, the water generating portion 103, and the overflow portion are coaxially provided.
In some other embodiments, the outflow end of the sand trap 102 is connected to a sand drain 108.
In the cyclone 100 provided in at least one embodiment, the cyclone part and the ultrafiltration part are combined, the quality of water produced by the cyclone is guaranteed through physical entrapment, the floor area is saved to a certain extent, fluid is enabled to make spiral motion along the inner wall of the cyclone part 101 through the cyclone part 101, and separated gravel is collected through the sand accumulation part 102; the fluid which turns upwards flows into the overflow part again, part of the fluid passes through the ultrafiltration part 104, flows into the water generating part 103 in a cross flow filtration mode and flows from the water generating part 103; because of cross-flow filtration, most of the fluid flows out through the overflow part; because the overflow part is provided with the ultrafiltration part 104, the separation precision can be improved to a certain degree, and because the overflow part is inserted into the water production part 103, the damage of the ultrafiltration part 104 caused by high-speed water flow can be delayed to a certain degree.
In some embodiments, water production section 103 is configured to collect water filtered by ultrafiltration section 104 and flow out of an outlet of water production section 103. The lower end of the water producing section 103 is flush with the upper end of the sand accumulating section 102, which facilitates the spatial positioning of the lower end of the ultrafiltration section 104. At least part of the upper structure of the water-producing portion 103 protrudes from the swirling portion 101.
In some embodiments, the overflow section further comprises an upper tube 105, wherein the upper end of the upper tube 105 extends out of the water-producing section 103, and the lower end of the upper tube 105 is communicated with the upper end of the ultrafiltration section 104. In one embodiment, the overflow is removably secured in the water-producing portion 103, e.g., the overflow is inserted into the water-producing portion 103 in the form of a flange structure or connector, which facilitates the replacement of the overflow, particularly the ultrafiltration portion 104; the water generating portion 103 is inserted into the swirling portion 101 by a flange structure or a connection member.
In some embodiments, cyclone 100 further comprises an inlet tube 109, inlet tube 109 being in communication with cyclone section 101, inlet tube 109 being adapted to facilitate providing an initial velocity to fluid entering cyclone section 101. In one embodiment, the inlet pipe 109 is provided at an upper end of the cyclone part 101.
In some embodiments, the outlet of the inlet pipe 109 is arranged tangentially to the outer circumference of the swirling part 101, and when a certain pressure is applied to the fluid in the inlet pipe 109, the fluid enters the swirling part 101 tangentially, and then spirally moves along the inner wall of the swirling part 101 and flows downwards.
In some embodiments, the lower end face of the overflow is flush with the upper end face of the sand trap 102; this is favorable to reducing the turbid liquid that contains more sand and gets into overflow portion.
In some other embodiments, the lower end surface of the overflow portion is higher than the upper end surface of the sand-accumulating portion 102, so that the turbid liquid containing more sand can be further reduced from entering the overflow portion.
In some embodiments, a closure cap 110 is attached between the edge of the lower end of the overflow section and the edge of the lower end of the water-producing section, which prevents the upturned fluid in the main body section from directly entering the water-producing section, i.e., ensures that the upturned fluid does not enter the water-producing section after passing through the ultrafiltration section 104.
In some embodiments, the ultrafiltration section 104 is a tubular ceramic membrane. In one embodiment, the cyclone 100 has a diameter of 50mm to 150mm, and both ends of the ultrafiltration section 104 are not sealed; the filtration pore size of the tubular ceramic membrane is 50nm to 200nm, for example: the filtering aperture of the tubular ceramic membrane is 100nm or 150 nm; it should be noted that the specific filter pore size can be selected according to actual needs.
In at least one embodiment, after the cyclone part 101 is combined with the tubular ceramic membrane, the quality of water produced by the cyclone is ensured through physical entrapment, and the floor area is saved to a certain extent; after the overflow liquid passes through the inner wall of the ceramic membrane, the water is discharged from the outer wall of the ceramic membrane through filtration (namely cross-flow filtration), so that the separation precision is high, for example, the separation precision is nano-scale, the flux is large, the blockage is not easy, the flow can be greatly shortened when the method is applied to the water supply field, and the pre-pretreatment is not needed.
Referring to FIG. 2, in some embodiments, the diameter of the radial cross-section of inlet tube 109 decreases from the inlet of inlet tube 109 toward the outlet of inlet tube 109, which may increase the initial velocity of the fluid entering swirl portion 101.
In one or more embodiments of the present disclosure, there is also provided a swirling system, including: at least one cyclone 100, which is a high precision, short flow cyclone system in series with hydrocyclones 100.
In one embodiment, referring to fig. 3, the number of the cyclones 100 is multiple, the cyclones 100 are connected in series, and a pump or the like may be correspondingly installed on a pipeline connected in series between the cyclones; between two adjacent cyclones 100 which are communicated in series, the outlet of the overflow part of the cyclone positioned at the upstream is communicated with the inlet of the water inlet pipe of the cyclone positioned at the downstream, after a plurality of cyclones 100 are connected in series, the overflow water flowing out of the outlet of the overflow part enters the water inlet pipe 109 of the next cyclone 100; and the fluid from the outlets of the water producing sections 103 of the plurality of cyclones 100 is collected for later use.
It should be noted that, in some other embodiments, when the number of the cyclones is N, the water inlet pipes between the N cyclones are communicated in parallel, where N is a positive integer not less than 2, which is beneficial to obtain more water flowing out from the outlet of the overflow portion. In still other embodiments, when the number of cyclones is N + M, N is a positive integer not less than 2, and M is a positive integer; the water inlet pipes among the N cyclones are communicated in parallel; the M cyclones are communicated in series, and the outlet of the overflow part of the cyclone positioned at the upstream is communicated with the inlet of the water inlet pipe of the cyclone positioned at the downstream; the fluid from the outlet of the overflow part of each cyclone of the N cyclones flows into the water inlet pipe of the cyclone positioned at the first position of the M cyclones, so that the filtering precision can be improved.
In one or more embodiments of the present disclosure, there is also provided a water purification method using the cyclone 100 provided in at least one embodiment, the water purification method including:
step S1, making the fluid flow downwards in a spiral flow mode;
step S2, making the fluid after swirling flow out along an overflow path;
and step S3, performing cross-flow filtration on at least part of the fluid flowing along the overflow path, and collecting the fluid after the cross-flow filtration.
The water purification method also comprises the steps that the fluid flowing out along the overflow path flows downwards in a spiral flow mode, and the fluid after the rotational flow flows out along the overflow path; the water purification method repeats steps S1 and S2 at least once for the fluid flowing along the overflow path.
In at least one embodiment, when the water purification method uses the cyclone 100 provided in at least one embodiment, the plurality of cyclones 100 are connected in series as the plurality of cyclones 100 in the cyclone system, the water purification method includes:
step S1, the fluid is made to enter from the inlet pipe 109 of the cyclone 100 and flow downward in a spiral flow manner by the cyclone 101;
step S2, an overflow path is defined by the overflow part, and the fluid after swirling flows out along the overflow path, namely flows out from an outlet of the overflow part;
step S3, performing cross-flow filtration on at least a part of the fluid flowing along the overflow path through the ultrafiltration part 104 of the overflow part, and collecting the fluid subjected to cross-flow filtration by the water generation part 103.
In this water purification method, since the plurality of cyclones 100 are connected in series, the fluid flowing out of the outlet of the overflow portion of the cyclone 100 located at the first position enters the water inlet pipe of the cyclone 100 located at the second position, and the fluid flowing out of the outlet of the overflow portion of the cyclone 100 located at the second position enters the cyclone 100 located at the third position, and the flow sequentially progresses, and the fluid flows out of the outlet of the overflow portion of the cyclone 100 located at the end position and then enters the next water treatment process. The water from each water-producing portion 103 of the plurality of cyclones 100 connected in series is collected for later use.
It should be noted that the number of the cyclones 100 used in the water purification method is one or more, and when two or more cyclones 100 are used, the number of the cyclones 100 may be 2 to 20, and the like.
According to the cyclone 100, the cyclone system and the water purification method provided by at least one embodiment of the disclosure, the ultrafiltration part 104 (tubular ceramic membrane) of the high-precision cyclone 100 is not easy to damage, has large flux, is not easy to block, and is lower in cost, two ends of the ultrafiltration part 104 are not sealed, feed liquid (containing fine sand) enters tangentially from an inlet of the water inlet pipe 109 with pressure, rotates at high speed in the cyclone part 101, is subjected to the action of gravity and centrifugal force, internal sand is discharged from an outlet of the sand accumulation part 102, clear liquid rises from the middle of the cyclone 100 in a rotating manner, enters the ultrafiltration part 104, is subjected to the action of water flow and rotary cutting force, purified water flows out from the outer side of the ultrafiltration part 104, is discharged and collected from an outlet of the water production part 103, and pollutants are intercepted in the ultrafiltration part 104 and are cleaned by periodic back flushing. Because of the cross-flow filtration, most of the swirling clear liquid is discharged from the outlet of the overflow part and can enter the next swirler 100 according to the requirement, and the process is repeated in such a way, so that more than 90% of the feed liquid can be filtered into drinkable pure water. By adopting the water purification method, the pretreatment in the existing water purification process can be omitted, the investment is low, and the operation cost is low.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. A cyclone, comprising:
the main body part comprises a rotational flow part and a sand accumulation part, the rotational flow part is communicated with the sand accumulation part and is positioned above the sand accumulation part, the sand accumulation part is provided with an inlet end and an outlet end which are opposite, and the diameter of the radial section of the sand accumulation part is gradually reduced from the inlet end of the sand accumulation part to the outlet end of the sand accumulation part;
the water generating part is inserted into the inner cavity of the rotational flow part, and a first gap is formed between the outer wall of the water generating part and the inner wall of the rotational flow part; and
an overflow portion inserted into an inner cavity of the water-producing portion, a second gap being provided between an outer wall of the overflow portion and an inner wall of the water-producing portion, the overflow portion including an ultrafiltration portion configured to physically filter a swirling supernatant; the water production section is configured to pool the water produced by the ultrafiltration section.
2. The cyclone of claim 1, further comprising an inlet tube in communication with the cyclone section.
3. The cyclone of claim 2, wherein the outlet of the inlet tube is arranged tangentially to the outer circumference of the cyclone part.
4. A cyclone according to claim 2 or 3, characterized in that the lower end surface of the overflow is flush with the upper end surface of the sand trap.
5. The cyclone according to claim 2 or 3, wherein a closing cover is connected between an edge of a lower end of the overflow portion and an edge of a lower end of the water-producing portion.
6. The cyclone separator according to claim 2 or 3, wherein the ultrafiltration section is a tubular ceramic membrane having a filter pore size of 50nm to 200 nm.
7. The cyclone of claim 1, wherein the overflow portion further comprises an upper tube, a bottom end of the upper tube being connected to a top end of the ultrafiltration portion.
8. The cyclone according to claim 2 or 3, wherein the diameter of the radial cross section of the inlet pipe decreases from the inlet of the inlet pipe towards the outlet of the inlet pipe.
9. A rotational flow system, comprising: at least one cyclone according to any of claims 2-8;
the quantity of swirler be a plurality of, be linked together between a plurality of swirler.
10. A water purification method, characterized in that the water purification method comprises:
causing the fluid to flow downwardly by means of a spiral flow;
making the fluid after the rotational flow out along an overflow path;
cross-flow filtering at least a portion of the fluid flowing along the overflow path;
and collecting the fluid after cross-flow filtration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110755922.3A CN113371789A (en) | 2021-07-05 | 2021-07-05 | Cyclone, cyclone system and water purification method |
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| CN202110755922.3A CN113371789A (en) | 2021-07-05 | 2021-07-05 | Cyclone, cyclone system and water purification method |
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| CN215208593U (en) * | 2021-07-05 | 2021-12-17 | 北控水务(中国)投资有限公司 | Swirler and swirl system |
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| CN2437854Y (en) * | 2000-06-13 | 2001-07-04 | 临邑县机械制造总厂 | Fluid producing downhole sand removing forward hydrocyclone for oil well |
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