WO2016086681A1 - 水净化装置及利用该水净化装置过滤水的方法 - Google Patents

水净化装置及利用该水净化装置过滤水的方法 Download PDF

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Publication number
WO2016086681A1
WO2016086681A1 PCT/CN2015/085756 CN2015085756W WO2016086681A1 WO 2016086681 A1 WO2016086681 A1 WO 2016086681A1 CN 2015085756 W CN2015085756 W CN 2015085756W WO 2016086681 A1 WO2016086681 A1 WO 2016086681A1
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WO
WIPO (PCT)
Prior art keywords
water
cylinder
hole
water flow
pressure cylinder
Prior art date
Application number
PCT/CN2015/085756
Other languages
English (en)
French (fr)
Inventor
苏培鑫
Original Assignee
深圳市博儒环境技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市博儒环境技术有限公司 filed Critical 深圳市博儒环境技术有限公司
Priority to BR112017011679-0A priority Critical patent/BR112017011679A2/zh
Priority to US15/531,542 priority patent/US20170326501A1/en
Priority to CA2969355A priority patent/CA2969355A1/en
Priority to JP2017529089A priority patent/JP2017536234A/ja
Priority to EP15865645.4A priority patent/EP3228597A4/en
Publication of WO2016086681A1 publication Critical patent/WO2016086681A1/zh
Priority to IL252549A priority patent/IL252549A0/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/20—Accessories; Auxiliary operations
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/14—Pressure control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/02—Specific tightening or locking mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/18—Specific valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/20—Specific housing
    • B01D2313/201—Closed housing, vessels or containers
    • B01D2313/2011—Pressure vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/08—Fully permeating type; Dead-end filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Definitions

  • the invention relates to the field of sewage treatment, and in particular to a water purification device and a method for filtering water by using the water purification device.
  • the main object of the present invention is to provide a water purification device, which aims to solve the problem that the conventional water purification process requires frequent replacement of the filtration membrane, resulting in high water purification cost.
  • the present invention provides a water purification device including a first pressure cylinder, a second pressure cylinder, a first cylinder, a second cylinder, and a first connecting member; a pressure cylinder, a second cylinder, a first connecting member and a second pressure cylinder are sequentially connected, and the first cylinder is housed in the second cylinder;
  • the first cylinder is configured to dispose an ultrafiltration membrane that filters water.
  • the opposite ends of the first cylinder have openings and are hollow; the opposite ends of the second cylinder have openings, and
  • the first pressure cylinder includes a first water flow end and a sewage discharge end, the first water flow end is provided with an opening water supply flow, and the sewage discharge end is provided with a first through hole for discharging the stain, the first pressure cylinder is hollow
  • the second pressure cylinder includes a second water flow end and an water inlet end, the second water flow end is provided with an opening water supply flow, and the water inlet end is provided with a second through hole for external water flow to enter the second pressure cylinder
  • the second pressure cylinder is arranged in a hollow; the first connecting member is provided with a third through hole through which the water supply flows;
  • the first water flow end is connected to one end of the second cylinder, and the other end of the second cylinder is connected to the second water flow end through the first connecting member, the first cylinder and the second Forming a first water flow passage between the cylinders, the first water flow passage is in communication with the first pressure cylinder, and the first connecting member seals the first water flow passage near an end of the first connecting member,
  • the first cylinder and the second cylinder communicate with each other through the third through hole;
  • the outer wall of the second cylinder is provided with a water inlet communicating with the first water flow passage;
  • the outer wall of the second cylinder Also inserted is an outlet pipe that communicates with the first cylinder;
  • the first through hole Before the water purifying device filters the water, the first through hole is in a closed state, the second through hole is in an open state; when filtering, the first through hole is opened, and the second through hole is closed; When the ultrafiltration membrane in the first cylinder is flushed, the water inlet and the water outlet are closed, the first through hole is opened, and the water flows from the second through hole into the first cylinder. The first through hole flows out.
  • a second connecting member for connecting the first cylinder block and the second cylinder block to the first pressure cylinder is further disposed between the second cylinder block and the first pressure cylinder, a second air guiding hole for communicating the first water flow channel with the first pressure cylinder, and a first portion for communicating the first cylinder with the first pressure cylinder Two diversion holes.
  • the second connecting member includes a first connecting plate, and the first connecting plate defines a through hole, and a circumference of the through hole extends first in a direction away from a board surface of the first connecting board.
  • a first cylindrical baffle having a first baffle covering the port of the first annular cylindrical body, the first baffle plate being disposed at an end of the first annular cylindrical body away from the first connecting plate.
  • the second air guiding hole is disposed, and a circumference of the second air guiding hole extends in a direction away from a board surface of the first baffle to form a second annular column, the second annular column
  • the first baffle is further disposed on the first baffle of the periphery, and the first annular column is located between the first connecting plate and the second annular column, The diameter of the first annular cylinder is larger than the diameter of the second annular cylinder.
  • the first annular cylinder is perpendicular to the first connecting plate, and the second annular cylindrical body is perpendicular to the first baffle.
  • the second annular cylinder is disposed at a side away from the first baffle with a second baffle covering the port of the second annular cylinder, and the second baffle is provided with an increase Pressing holes.
  • the first water flow end is provided with a first reinforcement member for connecting with the second connecting member at a position corresponding to the outer wall of the first pressure cylinder.
  • the second water flow end is provided with a second reinforcement member for connecting with the first connecting member at a position corresponding to the outer wall of the second pressure cylinder.
  • a cross-sectional area of the end surface of the drain end parallel to the first water flow end gradually decreases from the first water flow end toward the drain end.
  • the first through hole is provided with a first drain pipe
  • the second through hole is inserted with a second drain pipe
  • the first drain pipe and the second drain pipe are respectively provided with a water flow regulating valve.
  • the first cylinder and the second cylinder are disposed in a hollow cylindrical shape.
  • the present invention also provides a method of filtering water using the water purification device according to any of the above, characterized in that the method comprises the steps of:
  • an ultrafiltration membrane is built in the first cylinder
  • the water purifying device of the invention presses water into the ultrafiltration membrane under the action of the water pressure and the first pressure cylinder, and the filtered sewage is discharged from the drainage end, and the clean water is discharged through the outlet pipe; when the ultrafiltration membrane is required When cleaning, it is only necessary to introduce the second through hole of the water into the water purifying device, and under the action of water pressure, the residual stain in the ultrafiltration membrane can be washed away, preventing excessive accumulation of stains from being deposited in the ultrafiltration membrane. The clogging leads to the scrapping of the ultrafiltration membrane, which greatly increases the service life of the ultrafiltration membrane and reduces the cost of water purification.
  • FIG. 1 is a schematic perspective view showing an embodiment of a water purification device of the present invention
  • FIG. 2 is a schematic structural view of a first pressure cylinder of the water purification device of FIG. 1;
  • Figure 3 is a schematic structural view of a second pressure cylinder of the water purification device of Figure 1;
  • Figure 4 is a schematic structural view of a second connecting member of the water purifying device of Figure 1;
  • Figure 5 is a schematic structural view of the first connecting member of the water purifying device of Figure 1;
  • Figure 6 is a side plan view showing the water purification device of Figure 1;
  • Figure 7 is a plan view showing a plan view of another view of the water purification device of Figure 6;
  • Figure 8 is a cross-sectional structural view showing an embodiment of the water purification device of Figure 7 taken along line A-A;
  • Figure 9 is a cross-sectional structural view of an embodiment of the water purification apparatus of Figure 7 provided with an ultrafiltration membrane in the first cylinder along line A-A, wherein the arrows represent the direction of water flow during filtration.
  • the water purification apparatus includes a first cylinder 10, a first cylinder 11 (see Figure 8), and a second The cylinder block 12, the second pressure cylinder 13, and the first connecting member 15.
  • the first cylinder 10, the second cylinder 12, the second cylinder 13, and the first connecting member 15 are sequentially connected, and the first cylinder 11 is housed in the second cylinder 12.
  • the first pressure cylinder 10 includes a first water flow end 104 and a drain end 102.
  • the first water flow end 104 is opposite to the sewage discharge end 102, the first water flow end 104 has an open water supply flow, and the sewage discharge end 102 is provided with a first through hole 101 for discharging the stain. .
  • the first cylinder block 11 is for arranging an ultrafiltration membrane for filtering water.
  • the first cylinder block 11 is open at both ends and is provided in a hollow shape, preferably in a hollow barrel shape.
  • the second cylinder block 12 is open at both ends and is disposed in a hollow shape, preferably in a hollow barrel shape.
  • the second pressure cylinder 13 includes a second water flow end 134 and a water inlet end 133.
  • the second water flow end 134 is opposite to the water inlet end 133, the second water flow end 134 has an open water supply flow, and the water inlet end 133 is provided with a second through hole 131 for external water to flow into the second pressure cylinder;
  • the first connecting member 15 is provided with a third through hole 151 (refer to FIG. 4) through which the water supply flows.
  • the first water flow end 104 is connected to one end of the second cylinder block 12, and the other end of the second cylinder block 12 is connected to the second water flow end 134 through the first connecting member 15.
  • a first water flow passage 123 is formed between the first cylinder block 11 and the second cylinder block 12, and the first water flow passage 123 communicates with the first pressure cylinder 10, and the first connecting member 15 will be the first
  • a water flow passage 123 is sealed near one end of the first connecting member 15, and the first cylinder 11 and the second pressure cylinder 13 are communicated through the third through hole 151; the outer wall of the second cylinder 12 is opened
  • the water inlet 121 and the outlet pipe 122 are disposed opposite each other.
  • the first through hole 101 Before the water purification device filters the water, the first through hole 101 is in a closed state, and the second through hole 131 is in an open state; when filtering, the first through hole 101 is opened, and the second through hole 131 is closed.
  • the ultrafiltration membrane in the first cylinder 11 When the ultrafiltration membrane in the first cylinder 11 is flushed, the water inlet 121 and the outlet pipe 122 are closed, the first through hole 101 is opened, and water flow is introduced from the second through hole 131.
  • the first cylinder 10 is discharged from the first through hole 101.
  • the water purification device is generally placed vertically when filtering, that is, the first pressure cylinder 10 is located at the bottom of the water purification device, and the second pressure cylinder 13 is located at the top of the water purification device.
  • the sewage outlet 101 is closed, and when the water to be evolved enters the first water flow channel 123 from the water inlet 121,
  • the water to be filtered first enters the first pressure cylinder 10, and as the water to be filtered gradually increases, the water level gradually rises, closing the second through hole 131, the water to be filtered is at the water pressure, and the first pressure cylinder 10 Under the pressure, it is gradually pressed into the ultrafiltration membrane in the first cylinder 11, and the water is filtered through the ultrafiltration membrane and discharged from the outlet pipe 122, and the filtered stain is deposited in the first pressure cylinder 10, The stain in the first cylinder is discharged by opening the first through hole 101.
  • the water to be filtered is pressed into the ultrafiltration membrane under the action of the water pressure and the first pressure cylinder 10. During this process, some impurities in the water will enter the ultrafiltration membrane. As the amount of impurities gradually increases, on the one hand, the ultrafiltration membrane will be gradually blocked, and on the other hand, the secondary pollution of the water flow (water) It is not filtered out, which in turn causes the ultrafiltration membrane to lose its filtering function, and the ultrafiltration membrane is also scrapped.
  • the water purification device mainly presses the water to be filtered into the ultrafiltration membrane by the water pressure and the first pressure cylinder 10, so the impurities in the ultrafiltration membrane are mainly present at the lower end of the ultrafiltration membrane (ultrafiltration membrane) Close to a portion of the first pressure cylinder 10). Therefore, in the embodiment, after the water purification device has processed a part of the water, the clean water flow can be introduced into the second through hole 131, and the water flow can be flowed from the top of the ultrafiltration membrane to the bottom. In the reverse direction (the direction in which the water flow mainly flows upward from the bottom of the water purification device when filtering water), the ultrafiltration membrane is washed, and the flushing force can be increased by pressurizing the water flow to enter the ultrafiltration membrane. The impurities in the water are taken out by the water flow, so that the ultrafiltration membrane is prevented from being clogged by impurities in the water for a long time, and the ultrafiltration membrane loses the filtering function and is scrapped.
  • the water purification device of the present invention presses water into the ultrafiltration membrane under the action of the water pressure and the first pressure cylinder 10, and the filtered sewage is discharged from the first through hole 101, and the clean water is discharged through the outlet pipe 122;
  • the second through hole 131 of the water flow into the water purification device and under the action of the water pressure, the residual stains in the ultrafiltration membrane can be washed away, thereby preventing excessive accumulation.
  • the stains will block the ultrafiltration membrane and cause the ultrafiltration membrane to be scrapped, greatly improving the service life of the ultrafiltration membrane and reducing the cost of water purification.
  • the first cylinder block 11 and the second cylinder block 12 and the first pressure cylinder 10 are further disposed.
  • a second connecting member 14 is disposed, and the second connecting member 14 is provided with a first guiding hole 1431 for communicating the first water flow passage 123 with the first pressure cylinder 10, and for the A second flow guiding hole (not shown) of the first cylinder 11 in communication with the first pressure cylinder 10.
  • the second connecting member 14 includes a first connecting plate 141, and a through hole is defined in the first connecting plate 141, and a circumference of the through hole faces a direction away from a board surface of the first connecting board 141.
  • a first annular column 142 is extended.
  • the first annular column 142 is disposed at an end of the first connecting plate 141 and is provided with a first baffle covering the port of the first annular column 142.
  • the first baffle 143 is provided with the second air guiding hole, and the circumference of the second air guiding hole extends toward the second annular column in a direction away from a board surface of the first baffle 143
  • the first baffle 143 on the periphery of the second annular column 144 is further provided with the first guiding hole 1431, and the first annular column 142 is located at the first connection Between the plate 141 and the second annular cylinder 144, the diameter of the first annular cylinder 142 is larger than the diameter of the second annular cylinder 144 .
  • the first annular column 142 is perpendicular to the first connecting plate 141, and preferably the second annular column 144 is perpendicular to the first baffle 143.
  • the first connecting plate 141 covers the first water flow end 104 of the first pressure cylinder 10 and is fixedly connected (eg, screwed) to the first pressure cylinder 10, and the first cylinder 11 is sleeved.
  • the connection between the first annular column 142 and the first connecting plate 141 is preferably perpendicularly connected, and the second annular column 144 and the first baffle 143 are The connection relationship is preferably a vertical connection.
  • a second baffle 145 that covers the port of the second annular column 144 is disposed at an end of the second annular column 144 away from the first baffle 143, and the second baffle A booster hole 1451 is opened on the 145.
  • the water to be filtered can be more easily pressed into the ultrafiltration membrane by providing the pressure increasing hole 1451.
  • the first pressure cylinder 10 the first through hole 101 is in a closed or partially closed state
  • water is gradually pressed into the ultrafiltration membrane from the first water flow end 104 by the first pressure cylinder 10 under the same pressure condition. Underneath, the opening area of the water flowing into the ultrafiltration membrane is reduced, which is equivalent to increasing the pressure of the water flowing into the ultrafiltration membrane, so that the water flow can more easily enter the ultrafiltration membrane, thereby improving the efficiency of water purification.
  • the arrangement of the second baffle 145 facilitates carrying the ultrafiltration membrane.
  • the first water flow end 104 is provided with a first reinforcement member 103 for connection with the second connecting member 14 at a position corresponding to the outer wall of the first pressure cylinder 10.
  • the first water flow end 104 is disposed at a position corresponding to the outer wall of the first pressure cylinder 10.
  • the first reinforcement member 103 is screwed to the connecting member 14.
  • the first pressure cylinder 10 and the second connecting member 14 are screwed to the screw holes 1411 in FIG. 4 through the screw holes 1031 in FIG.
  • a first connecting member for connecting the second cylinder 12 and the second cylinder 13 is further disposed between the second cylinder 12 and the second cylinder 13
  • the first connecting member 15 is provided with a third through hole 151 for communicating with the first cylinder block 11; the second water flow end 134 is disposed corresponding to the outer wall of the second pressure cylinder 13 for The first connecting member 15 is connected to the second reinforcing member 132.
  • a screw hole 135 is disposed on the second reinforcing member 132.
  • a screw hole 152 is disposed around the third through hole 151 of the first connecting member 15. The second pressure cylinder 13 and the first A connecting member 15 is connected through the screw hole 135 and the screw hole 152 via the same screw.
  • a second water flow passage is formed between the ultrafiltration membrane 20 and the interior of the first cylinder 11. 201. Since the ultrafiltration membrane 20 filters water from both ends of the ultrafiltration membrane 20, the water to be filtered is injected, and after the water is filtered, it is discharged from the outer peripheral wall of the ultrafiltration membrane 20, and enters the second water flow passage 201. Then, it is discharged through the outlet pipe 122.
  • a cross-sectional area of the drain end 102 parallel to the end surface of the first water flow end 10 gradually decreases from the first water flow end 104 toward the first through hole 101.
  • the drain end 102 may be provided in various shapes, such as a square shape, a cylindrical shape, or the like.
  • the cross-sectional area of the end surface of the drain end 102 parallel to the first water flow end 104 in the present embodiment is oriented from the first water flow end 104.
  • the first through hole 101 is gradually reduced, so that impurities in the water are discharged through the first through hole 101 after being filtered.
  • This arrangement of the first cylinder 10 does not form a dead angle at the bottom of the first cylinder 10, and impurities are not deposited at the bottom in the first cylinder 10 and cannot be discharged.
  • the present invention also provides a method of filtering water using the water purification device according to any of the above, the method comprising the steps of:
  • an ultrafiltration membrane 20 needs to be added to the first cylinder block 11. Before filtering (such as filtering seawater), there is still some air in the second cylinder 13 and the first cylinder 11, and this part of the gas needs to be discharged to avoid causing resistance when filtering water. Specifically, the first through hole 101 is closed before the filtration, the second through hole 131 is opened, and the water to be filtered is injected into the water flow passage 123 through the water inlet 121 to the first cylinder 11 and the second pressure cylinder 13 The gas is discharged.
  • filtering such as filtering seawater
  • the second through hole 131 may be kept open, so that part of the stain in the seawater passes through the ultrafiltration membrane 20 and is discharged from the second through hole 131; in addition, the second through hole 131 is also provided with a valve at a position The valve can adjust the opening size of the second through hole 131.
  • the valve can change the pressure in the second pressure cylinder 13 by adjusting the size of the opening of the second through hole 131, and the pressure can make the water filter faster.
  • This pressure is small (i.e., the second through hole 131 remains partially open) to facilitate the discharge of the stain in the second pressure cylinder 13.
  • the second through hole 131 itself is small, the pressure in the second pressure cylinder 11 is not greatly affected, and the second through hole 131 can also be kept open at all times.
  • the present invention also has an energy saving effect with respect to the existing water purification device.
  • the water purification device of the present invention was tested and compared with the existing horizontal water purification device.
  • the water purification device of the present invention consumes about 0.184 kWh per filter of water, while the existing horizontal water purification device consumes about 1.04 kWh per filter of water consumption, and the existing bedroom water purification
  • the power consumption of the device is 5.6 times that of the water purification device of the present invention.
  • the ultrafiltration membrane 20 allows the water to flow through the gap, the flow velocity of the water passing through the ultrafiltration membrane 20 is relatively fast. As the flow rate becomes faster, all impurities and contaminants larger than the pore size of the ultrafiltration membrane 20 are pushed upward by the water flow into the second pressure cylinder 13 to be discharged by the discharge port 131, so that less impurities remain in the ultrafiltration membrane 20. It also prolongs the service life of the ultrafiltration membrane 20.
  • the continuous use of tap water and seawater for 180 consecutive days did not reveal contamination of the inside of the cylinder and the ultrafiltration membrane 20.
  • the water filtering device of the invention has a high water output.
  • the water purification device of the present invention was tested and compared with the existing horizontal water purification device (using tap water as an experimental object).
  • the average water discharge per hour of the water purification device of the present invention is 5.98 tons, and the average hourly water output of the existing horizontal water purification device is 1.76 tons.
  • the water purification device of the present invention is about present. There is a water purification device 3.4 times the amount of water.
  • the compressed air at the upper end of the water flow passage 123 generates a reverse thrust to the water in the water flow passage 123, increasing the rate at which the water flows through the ultrafiltration membrane, and if so, increases the amount of water discharged.

Abstract

一种水净化装置，包括自下而上依次设置的第一压力缸（10）、第二缸体（12）、第一连接件（15）和第二压力缸（13），还包括设置于第二缸体（12）内的第一缸体（11），第一缸体（11）内置放超滤膜；第一压力缸（10）及第二压力缸（13）均为一端开口，另一端开设有通孔；第一缸体（11）及第二缸体（12）均两端开口，且呈中空状设置；第二缸体（12）开设有与第一缸体（11）和第二缸体（12）之间形成第一水流通道（123）连通的进水口（121）；水净化装置的外壁插设有与第一缸体（11）连通的出水管（122）。当需要对超滤膜进行清洗时，将水流自第二压力缸（13）上的第二通孔（131）导入水净化装置内，在水压的作用下冲走超滤膜中残存的污渍，防止超滤膜中堵塞而导致的报废，提高了超滤膜的使用寿命，降低了水净化的成本。

Description

水净化装置及利用该水净化装置过滤水的方法
技术领域
本发明涉及污水处理领域，尤其涉及一种水净化装置及利用该水净化装置过滤水的方法。
背景技术
我国是一个水资源严重缺乏的国家，水资源的缺乏严重影响了人们的生活状况。近年来，城乡生活污水问题突出，许多城市居民生活污水汇入排污管网集中处理，但由于经济、社会发展不平衡，部分城镇以及广大农村地区并没有建设污水管网，居民生活污水排放正处于无序状态，直排、乱排现象普遍，导致部分河流水流恶化，对水体污染的贡献率正逐年上升，若长期以往，必将严重危害人民群众的身体健康，因此，为了减轻污水处理的压力，人们不得不加大污水的处理力度。
对污水的处理往往先要过滤除去污水中的颗粒较大的物质，如，泥沙等，然后进一步除去污水中的颗粒较小的物质，如锈渍、细菌等，最后还需要去除污水中的可溶的盐类物质；污水经过这三种方式处理后比较洁净，但是在处理过程中，由于超滤膜无法循环利用，需要经常更换，而这种超滤膜的成本较高，这就提高了水净化的成本；在污水净化时，往往因为过滤膜成本过高而不能使污水的进化得到大力推广。
发明内容
本发明的主要目的在于提供一种水净化装置，旨在解决现有的水净化过程中需要经常更换过滤膜而导致水净化成本高的问题。
为实现上述目的，本发明提供的一种水净化装置，该所述水净化装置包括第一压力缸、第二压力缸、第一缸体、第二缸体及第一连接件；所述第一压力缸、第二缸体、第一连接件及第二压力缸依次连接，所述第一缸体收容于第二缸体内；
所述第一缸体用于置放将水过滤的超滤膜，该第一缸体相对的两端具有开口，且呈中空设置；所述第二缸体相对的两端具有开口，且呈中空设置；第一压力缸包括第一水流端及排污端，所述第一水流端设有开口供水流动，所述排污端开设有供污渍排出的第一通孔，该第一压力缸呈中空设置；所述第二压力缸包括第二水流端及进水端，所述第二水流端设有开口供水流动，所述进水端开设有供外部水流进入第二压力缸的第二通孔，该第二压力缸呈中空设置；所述第一连接件上设有供水流动的第三通孔；
所述第一水流端连接所述第二缸体的一端，所述第二缸体的另一端通过所述第一连接件与所述第二水流端连接，所述第一缸体与第二缸体之间形成第一水流通道，所述第一水流通道与所述第一压力缸连通，所述第一连接件将所述第一水流通道靠近该第一连接件的一端密封，所述第一缸体与所述第二压力缸通过所述第三通孔连通；所述第二缸体的外壁开设有与所述第一水流通道连通的进水口；所述第二缸体的外壁还插设有与所述第一缸体连通的出水管；
该水净化装置过滤水之前，所述第一通孔处于关闭状态，所述第二通孔处于打开状态；过滤时，所述第一通孔打开，所述第二通孔关闭；当对所述第一缸体内的超滤膜进行冲洗时，所述进水口和出水管关闭，所述第一通孔打开，所述水流自所述第二通孔流入第一缸体内，从所述第一通孔流出。
优选地，所述第二缸体与所述第一压力缸之间还设置有用于将所述第一缸体及第二缸体与所述第一压力缸连接的第二连接件，所述第二连接件上设置有用于将所述第一水流通道与所述第一压力缸连通的第一导流孔，以及用于将所述第一缸体与所述第一压力缸连通的第二导流孔。
优选地，所述第二连接件包括第一连接板，所述第一连接板上开设有一通孔，所述通孔的周缘朝向背离该第一连接板的一板面的方向延伸出第一圆环状柱体，所述第一圆环状柱体远离第一连接板的一端设置有将该第一圆环状柱体的端口盖合的第一挡板，所述第一挡板上设有所述第二导流孔，该第二导流孔的周缘朝向背离该第一挡板的一板面的方向延伸出第二圆环状柱体，所述第二圆环状柱体的周边的第一挡板上还设有所述第一导流孔，所述第一圆环状柱体位于所述第一连接板与所述第二圆环状柱体之间，所述第一圆环状柱体的口径大于所述第二圆环状柱体口径。
优选地，所述第一圆环状柱体垂直于所述第一连接板，所述第二圆环状柱体垂直于所述第一挡板。
优选地，所述第二圆环状柱体远离第一挡板的一端设置有将该第二圆环状柱体的端口盖合的第二挡板，所述第二挡板上开设有增压孔。
优选地，所述第一水流端对应第一压力缸的外壁的位置套设有用于与所述第二连接件连接的第一加强件。
优选地，所述第二水流端对应第二压力缸的外壁的位置套设有用于与所述第一连接件连接的第二加强件。
优选地，所述排水端的平行于第一水流端的端面的横截面积自所述第一水流端朝向所述排污端逐渐减小。
优选地，所述第一通孔插设有第一排污管，所述第二通孔插设有第二排污管，所述第一排污管及第二排污管上均设置有水流调节阀门。
优选地，所述第一缸体及第二缸体呈中空筒状设置。
本发明还提供一种利用上述任一项所述的水净化装置过滤水的方法，其特征在于，该方法包括如下步骤：
a、在所述第一缸体内置放一超滤膜；
b、关闭第一通孔，打开第二通孔，通过所述进水口向所述水流通道注入待过滤的水，以将第一缸体和第二压力缸中的气体排出；
c、保持第一通孔关闭，保持第二通孔打开或第二通孔间歇性打开，以对水进行过滤。
本发明的水净化装置，在水压和第一压力缸作用下，将水压入超滤膜中，过滤后的污水由排水端排出，洁净的水经由出水管导出；当需要对超滤膜进行清洗时，只需将水流第二通孔导入该水净化装置内，在水压的作用下，可以将超滤膜中残存的污渍冲走，防止了积累过多的污渍将超滤膜中堵塞而导致超滤膜报废，大大提高超滤膜的使用寿命，降低了水净化的的成本。
附图说明
图1为本发明水净化装置的一实施例的立体结构示意图；
图2为图1中水净化装置的第一压力缸的结构示意图；
图3为图1中水净化装置的第二压力缸的结构示意图；
图4为图1中水净化装置的第二连接件的结构示意图；
图5为图1中水净化装置的第一连接件的结构示意图；
图6为图1中水净化装置的侧视平面结构示意图；
图7为图6的水净化装置的另一视角的平面结构示意图；
图8为图7的水净化装置沿A-A线的一实施例的剖面结构示意图；
图9为第一缸体内设置有超滤膜的图7的水净化装置沿A-A线的一实施例的剖面结构示意图，其中箭头代表过滤时的水流方向。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供一种水净化装置，参照图1、图2和图3，在一实施例中，所述水净化装置包括第一压力缸10，第一缸体11（参照图8），第二缸体12，第二压力缸13、第一连接件15。第一压力缸10、第二缸体12、第二压力缸13及第一连接件15依次连接，所述第一缸体11收容于第二缸体12内。
所述第一压力缸10包括第一水流端104，以及排污端102。在本实施方式中，该第一水流端104与排污端102相对设置，第一水流端104具有开口供水流动，排污端102开设有供污渍排出的第一通孔101 。
所述第一缸体11用于置放将水过滤的超滤膜，该第一缸体11两端开口，且呈中空状设置，优选中空桶状设置。
所述第二缸体12两端开口，且呈中空状设置，优选中空桶状设置。
所述第二压力缸13包括第二水流端134，以及进水端133。本实施例中，该第二水流端134与进水端133相对设置，第二水流端134具有开口供水流动，进水端133开设有供外部水流入第二压力缸的第二通孔131；所述第一连接件15上设有供水流动的第三通孔151（参照图4）。
所述第一水流端104连接所述第二缸体12的一端，所述第二缸体12的另一端通过所述第一连接件15与所述第二水流端134连接。所述第一缸体11与第二缸体12之间形成第一水流通道123，所述第一水流通道123与所述第一压力缸10连通，所述第一连接件15将所述第一水流通道123靠近该第一连接件15的一端密封，所述第一缸体11与所述第二压力缸13通过所述第三通孔151连通；所述第二缸体12的外壁开设有与所述第一水流通道123连通的进水口121；所述第二缸体12外壁还插设有与所述第一缸体11连通的出水管122。优选地，进水口121与出水管122的相对设置。
该水净化装置过滤水之前，所述第一通孔101处于关闭状态，所述第二通孔131处于打开状态；过滤时，所述第一通孔101打开，所述第二通孔131关闭；当对所述第一缸体11内的超滤膜进行冲洗时，所述进水口121和出水管122关闭，所述第一通孔101打开，水流自所述第二通孔131被导入第一缸体10内，从所述第一通孔101流出。
具体的，所述水净化装置在过滤时是一般是竖直放置的，即所述第一压力缸10位于该水净化装置的底部，第二压力缸13位于该水净化装置的顶部。过滤前保持所述第二通孔131打开（第二通孔131打开供排气使用）、所述排污口101关闭，当待进化的水从所述进水口121进入第一水流通道123时，待过滤的水首先进入所述第一压力缸10内，随着待过滤的水逐渐增多，水位逐渐上升，关闭第二通孔131，待过滤的水在水压及所述第一压力缸10的压力作用下，逐渐被压入第一缸体11内的超滤膜中，水经超滤膜过滤之后从所述出水管122排出，过滤后的污渍沉积于第一压力缸10中，可以通过打开第一通孔101将第一压力缸中的污渍排出。在此过程中，首先水中的部分泥沙或其他大颗粒杂质一方面由于重力作用而沉淀于所述第一缸体10的底部，另一方面由于超滤膜的过滤，水中的未沉淀的泥沙被阻挡残留于第一压力缸10内，未沉淀和沉淀的泥沙均可通过第一通孔101排出。
当水充满所述第一水流通道123时，在水压和所述第一压力缸10的作用下，待过滤的水被压入所述超滤膜中。在此过程中，水中的部分杂质会进入所述超滤膜中，随着杂质数量逐渐增多，一方面会导致超滤膜会逐渐被堵塞，另一方面还会造成水流的二次污染（水没有被过滤干净），进而导致超滤膜丧失过滤功能，超滤膜也会因此而报废。该水净化装置主要是由水压和第一压力缸10将待过滤的水压入所述超滤膜中，所以超滤膜中的杂质也主要是存在于超滤膜的下端（超滤膜靠近第一压力缸10的一部分）。因此，在本实施例中，当该水净化装置处理完部分水后，可以通过向第二通孔131通入洁净的水流，并使该水流从所述超滤膜的顶部流至底部，达到逆向（相对于过滤水时水流主要由该水净化装置的底部向上流动的方向）冲刷超滤膜的目的，此处还可以通过给水流加压的方式加大冲刷力度，以使进入超滤膜中的杂质被水流带出，这样就避免了超滤膜因长期被水中的杂质堵塞，导致超滤膜失去过滤功能而报废的情况发生。
本发明的水净化装置，在水压和第一压力缸10作用下，将水压入超滤膜中，过滤后的污水由第一通孔101排出，洁净的水经由出水管导122出；当需要对超滤膜进行清洗时，只需将水流第二通孔131导入该水净化装置内，在水压的作用下，可以将超滤膜中残存的污渍冲走，防止了积累过多的污渍将超滤膜中堵塞而导致超滤膜报废，大大提高超滤膜的使用寿命，降低了水净化的成本。
进一步地，参照图4，所述第二缸体12与所述第一压力缸10之间还设置有用于将所述第一缸体11及第二缸体12与所述第一压力缸10连接的第二连接件14，所述第二连接件14上设置有用于将所述第一水流通道123与所述第一压力缸10连通的第一导流孔1431，以及用于将所述第一缸体11与所述第一压力缸10连通的第二导流孔（图中未标示出）。
具体的，所述第二连接件14包括第一连接板141，所述第一连接板141上开设有一通孔，所述通孔的周缘朝向背离该第一连接板141的一板面的方向延伸出第一圆环状柱体142，所述第一圆环状柱体142远离第一连接板141的一端设置有将该第一圆环状柱体142的端口盖合的第一挡板143，所述第一挡板143上设有所述第二导流孔，该第二导流孔的周缘朝向背离该第一挡板143的一板面的方向延伸出第二圆环状柱体144，所述第二圆环状柱体144的周边的第一挡板143上还设有所述第一导流孔1431，所述第一圆环状柱体142位于所述第一连接板141与所述第二圆环状柱体144之间，所述第一圆环状柱体142的口径大于所述第二圆环状柱体144的口径 。此处需要说明的是，优选所述第一圆环状柱体142与所述第一连接板141垂直，优选所述第二圆环状柱体144与所述第一挡板143垂直。
在此，所述第一连接板141将第一压力缸10的第一水流端104盖合，并与第一压力缸10固定连接（如螺纹连接），所述第一缸体11套设所述第二圆环状柱体144，并且第一缸体11与第二圆环状柱体144密封连接；所述第二缸体12套设所述第一圆环状柱体142，并且第二缸体12与所述第一圆环状柱体142密封连接。这样就加强了第一缸体11及第二缸体12与第一压力缸10之间的连接紧密性。在此需要说明的是，所述第一圆环状柱体142与所述第一连接板141的连接优选垂直连接，所述第二圆环状柱体144与所述第一挡板143的连接关系优选垂直连接。
进一步地，所述第二圆环状柱体144远离第一挡板143的一端设置有将该第二圆环状柱体144的端口盖合的第二挡板145，所述第二挡板145上开设有增压孔1451。
由于所述超滤膜本身对水流的阻力比较大，为了提升水过滤的速率，在本实施例中，通过设置增压孔1451可以使待过滤的水更容易被压入所述超滤膜中。当待过滤的水进入第一压力缸10时（第一通孔101处于关闭或部分关闭状态）水逐渐被第一压力缸10从第一水流端104压入超滤膜中，在相同压力条件下，水流进入超滤膜的开口面积减小了，相当于增加了水流进入超滤膜的压强，这样就使水流更容易进入超滤膜中，提升了水净化的效率。
所述第二挡板145的设置便于承载所述超滤膜。
进一步地，参照图2，所述第一水流端104对应第一压力缸10的外壁的位置处套设有用于与所述第二连接件14连接的第一加强件103。
具体的，为了加强所述第二连接件14与第一压力缸10之间的连接关系，在本实施例中，所述第一水流端104对应第一压力缸10的外壁的位置处套设有用于与所述第二连接件14连接的第一加强件103。所述第一加强件103与所述连接件14螺纹连接。第一压力缸10与第二连接件14通过图2中的螺孔1031与图4中的螺孔1411螺纹连接。
进一步地，参照图5，所述第二缸体12与所述第二压力缸13之间还设置有用于将所述第二缸体12与所述第二压力缸13连接的第一连接件15，所述第一连接件15上开设有用于连通所述第一缸体11的第三通孔151；所述第二水流端134对应第二压力缸13的外壁的位置套设有用于与所述第一连接件15连接的第二加强件132。
参照图3，第二加强件132上设置的螺孔135；参照图5，第一连接件15的第三通孔151的周边设置有螺孔152；所述第二压力缸13与所述第一连接件15通过所述螺孔135和螺孔152螺纹经由同一螺钉连接。
参照图6、图7、图8和图9，当所述第一缸体11内设置超滤膜20时，超滤膜20与所述第一缸体11的内部之间形成第二水流通道201。由于超滤膜20过滤水时是从该超滤膜20的两端压入待过滤的水，水被过滤后，从该超滤膜20的外周壁排出，并进入所述第二水流通道201内，然后经由所述出水管122排出。
进一步地，参照图2，所述排水端102的平行于第一水流端10的端面的横截面积自所述第一水流端104朝向所述第一通孔101逐渐减小。
具体的，所述排污端102可以设置呈多种形状，例如方形、圆筒形等。但是为了便于第一压力缸10对被过滤出来的杂质的排放，在本实施例中所述排水端102的平行于第一水流端104的端面的横截面积自所述第一水流端104朝向所述第一通孔101逐渐减小，这样，当水中的杂质被过滤后会经由第一通孔101排出。第一压力缸10的这种设置不会在第一压力缸10内的底部形成死角，杂质不会在第一压力缸10内的底部沉积而无法排出。
本发明还提供一种利用上述任一项所述的水净化装置过滤水的方法，该方法包括如下步骤：
a、在所述第一缸体11内置放一超滤膜20；
b、关闭第一通孔101，打开第二通孔131，通过所述进水口121向所述水流通道123注入待过滤的水，以将第一缸体11和第二压力缸13中的气体排出；
c、保持第一通孔101关闭，保持第二通孔131打开或第二通孔131间歇性打开，以对水进行过滤。
首先需要在第一缸体11内加入一超滤膜20。在过滤前（如对海水进行过滤），第二压力缸13和第一缸体11内还存在部分空气，这部分气体需要被排出，以免在过滤水时造成阻力。具体地，过滤前关闭第一通孔101，打开第二通孔131，通过进水口121向所述水流通道123注入待过滤的水，以将第一缸体11和第二压力缸13中的气体排出。
过滤时，随着气体被逐渐排出，注入水流通道123内的水在水流通道123内的水位逐渐上升，水流通道123内的气体逐渐被压缩，被压缩的气体对水流产生一个推力，在该推力和进水口121水压的作用下，水流被压入超滤膜20中，被超滤膜20过滤后从出水口122排出。在此过程中，所述第二通孔131可以保持打开，以便海水中的部分污渍穿过超滤膜20后从第二通孔131排出；另外，第二通孔131的位置还设置有一阀门，该阀门可以调节第二通孔131的开口大小，该阀门可以通过调节第二通孔131开口的大小来改变第二压力缸13内的压力，该压力较大可以使水过滤速度较快，该压力较小（也就是第二通孔131保持部分打开）便于第二压力缸13内的污渍的排出。当然，由于第二通孔131本身较小，对第二压力缸11内的压力影响不大，所述第二通孔131也可以一直保持打开。
本发明相对于现有的水净化装置而言还具有节能的效果。
将本发明的水净化装置与现有的卧式水净化装置进行测试对比。
表1.消耗电能测试表
序号 每过滤1吨水消耗的电能（KW·h）
现有的卧式水净化装置 本发明的水净化装置
1 1.0 0.17
2 0.9 0.18
3 1.1 0.18
4 1.1 0.20
5 1.2 0.19
平均值 1.04 0.184
由表1可以看出，本发明的水净化装置每过滤一顿水大约消耗0.184度电，而现有的卧式水净化装置每过滤一顿水消耗大约消耗1.04度电，现有卧室水净化装置的耗电量是是本发明的水净化装置5.6倍。
分析：自来水从进水口121进入所述水流通道123后，水位逐渐上升，随着水位逐渐上升，位于水流通道上端的空气逐渐被压缩，空气被压缩的同时对水流通道123内的水产生一个反推力，被压缩的空气压强越大，产生的反推力越大，水流很容易被压入超滤膜20中，大大减小了水流在进入超滤膜20中消耗的能量。
另外，随着水位由下而上逐渐上升水流倒流穿过超滤膜，由于超滤膜20可供水流穿过间隙很小，因此，穿过超滤膜20的水流流速较快，此时由于流速变快的缘故，所有大于超滤膜20孔径的杂质和污染物就被水流往上推向第二压力缸13内而被排污口131排出，使残留于超滤膜20内的杂质更少，也延长了超滤膜20的使用寿命。连续180天用自来水和海水不停实验案例并未发现缸体内部和超滤膜20被污染现象。
本发明水过滤装装置出水量高。
将本发明的水净化装置与现有的卧式水净化装置进行测试对比（以自来水为实验对象）。
表2.出水量测试表
序号 每小时出水量（吨）
现有的卧式水净化装置 本发明的水净化装置
1 1.5 5.8
2 2.2 6.2
3 1.7 5.9
4 1.5 6.1
5 1.9 5.9
平均值 1.76 5.98
从表2可以看出，本发明的水净化装置的平均每小时出水量为5.98吨，现有的卧式水净化装置的平均每小时出水量为1.76吨，本发明的水净化装置约为现有水净化装置出水量的3.4倍。
分析：水流通道123的上端被压缩的空气对水流通道123内的水产生反推力，加大了水流穿过超滤膜的速率，如是便增加了出水量。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (12)

  1. 一种水净化装置，其特征在于，所述水净化装置包括第一压力缸、第二压力缸、第一缸体、第二缸体及第一连接件；所述第一压力缸、第二缸体、第一连接件及第二压力缸依次连接，所述第一缸体收容于第二缸体内；
    所述第一缸体用于置放将水过滤的超滤膜，该第一缸体相对的两端具有开口，且呈中空设置；所述第二缸体相对的两端具有开口，且呈中空设置；第一压力缸包括第一水流端及排污端，所述第一水流端设有开口供水流动，所述排污端开设有供污渍排出的第一通孔，该第一压力缸呈中空设置；所述第二压力缸包括第二水流端及进水端，所述第二水流端设有开口供水流动，所述进水端开设有供外部水流进入第二压力缸的第二通孔，该第二压力缸呈中空设置；所述第一连接件上设有供水流动的第三通孔；
    所述第一水流端连接所述第二缸体的一端，所述第二缸体的另一端通过所述第一连接件与所述第二水流端连接，所述第一缸体与第二缸体之间形成第一水流通道，所述第一水流通道与所述第一压力缸连通，所述第一连接件将所述第一水流通道靠近该第一连接件的一端密封，所述第一缸体与所述第二压力缸通过所述第三通孔连通；所述第二缸体的外壁开设有与所述第一水流通道连通的进水口；所述第二缸体的外壁还插设有与所述第一缸体连通的出水管；
    该水净化装置过滤水之前，所述第一通孔处于关闭状态，所述第二通孔处于打开状态；过滤时，所述第一通孔打开，所述第二通孔关闭；当对所述第一缸体内的超滤膜进行冲洗时，所述进水口和出水管关闭，所述第一通孔打开，所述水流自所述第二通孔流入第一缸体内，从所述第一通孔流出。
  2. 如权利要求1所述的水净化装置，其特征在于，所述第二缸体与所述第一压力缸之间还设置有用于将所述第一缸体及第二缸体与所述第一压力缸连接的第二连接件，所述第二连接件上设置有用于将所述第一水流通道与所述第一压力缸连通的第一导流孔，以及用于将所述第一缸体与所述第一压力缸连通的第二导流孔。
  3. 如权利要求2所述的水净化装置，其特征在于，所述第二连接件包括第一连接板，所述第一连接板上开设有一通孔，所述通孔的周缘朝向背离该第一连接板的一板面的方向延伸出第一圆环状柱体，所述第一圆环状柱体远离第一连接板的一端设置有将该第一圆环状柱体的端口盖合的第一挡板，所述第一挡板上设有所述第二导流孔，该第二导流孔的周缘朝向背离该第一挡板的一板面的方向延伸出第二圆环状柱体，所述第二圆环状柱体的周边的第一挡板上还设有所述第一导流孔，所述第一圆环状柱体位于所述第一连接板与所述第二圆环状柱体之间，所述第一圆环状柱体的口径大于所述第二圆环状柱体口径。
  4. 如权利要求3所述的水进化装置，其特征在于，所述第一圆环状柱体垂直于所述第一连接板，所述第二圆环状柱体垂直于所述第一挡板。
  5. 如权利要求3所述的水净化装置，其特征在于，所述第二圆环状柱体远离第一挡板的一端设置有将该第二圆环状柱体的端口盖合的第二挡板，所述第二挡板上开设有增压孔。
  6. 如权利要求2至5任一项所述水净化装置，其特征在于，所述第一水流端对应第一压力缸的外壁的位置套设有用于与所述第二连接件连接的第一加强件。
  7. 如权利要求1至5任一项所述的水净化装置，其特征在于，所述第二水流端对应第二压力缸的外壁的位置套设有用于与所述第一连接件连接的第二加强件。
  8. 如权利要求1至5任一项所述的水净化装置，其特征在于，所述排水端的平行于第一水流端的端面的横截面积自所述第一水流端朝向所述排污端逐渐减小。
  9. 如权利要求1至5所述的水净化装置，其特征在于，所述第一缸体及第二缸体呈中空筒状设置。
  10. 一种利用权利要求1所述的水净化装置过滤水的方法，其特征在于，该方法包括如下步骤：
    a、在所述第一缸体内置放一超滤膜；
    b、关闭第一通孔，打开第二通孔，通过所述进水口向所述水流通道注入待过滤的水，以将第一缸体和第二压力缸中的气体排出；
    c、保持第一通孔关闭，保持第二通孔打开或第二通孔间歇性打开，以对水进行过滤。
  11. 一种利用权利要求2所述的水净化装置过滤水的方法，其特征在于，该方法包括如下步骤：
    a、在所述第一缸体内置放一超滤膜；
    b、关闭第一通孔，打开第二通孔，通过所述进水口向所述水流通道注入待过滤的水，以将第一缸体和第二压力缸中的气体排出；
    c、保持第一通孔关闭，保持第二通孔打开或第二通孔间歇性打开，以对水进行过滤。
  12. 一种利用权利要求3所述的水净化装置过滤水的方法，其特征在于，该方法包括如下步骤：
    a、在所述第一缸体内置放一超滤膜；
    b、关闭第一通孔，打开第二通孔，通过所述进水口向所述水流通道注入待过滤的水，以将第一缸体和第二压力缸中的气体排出；
    c、保持第一通孔关闭，保持第二通孔打开或第二通孔间歇性打开，以对水进行过滤。
PCT/CN2015/085756 2014-12-02 2015-07-31 水净化装置及利用该水净化装置过滤水的方法 WO2016086681A1 (zh)

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