WO2020107398A1 - 液体处理装置 - Google Patents

液体处理装置 Download PDF

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Publication number
WO2020107398A1
WO2020107398A1 PCT/CN2018/118538 CN2018118538W WO2020107398A1 WO 2020107398 A1 WO2020107398 A1 WO 2020107398A1 CN 2018118538 W CN2018118538 W CN 2018118538W WO 2020107398 A1 WO2020107398 A1 WO 2020107398A1
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WIPO (PCT)
Prior art keywords
liquid
reverse osmosis
outlet
inlet
cover
Prior art date
Application number
PCT/CN2018/118538
Other languages
English (en)
French (fr)
Inventor
周耀周
Original Assignee
周耀周
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 周耀周 filed Critical 周耀周
Priority to EP18941866.8A priority Critical patent/EP3888775B1/en
Priority to CN201880099430.XA priority patent/CN113039006A/zh
Priority to PCT/CN2018/118538 priority patent/WO2020107398A1/zh
Publication of WO2020107398A1 publication Critical patent/WO2020107398A1/zh
Priority to US17/334,175 priority patent/US11970408B2/en

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    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/06—Energy recovery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • 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
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2643—Crystallisation
    • 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
    • B01D2313/025—Specific membrane holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/08—Flow guidance means within the module or the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/21—Specific headers, end caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/90—Additional auxiliary systems integrated with the module or apparatus
    • B01D2313/901—Integrated prefilter
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus

Definitions

  • the present application relates to the technical field of liquid treatment, in particular to a liquid treatment device.
  • Reverse osmosis technology is a technology that uses a pressure difference as the driving force to separate the solvent from the solution.
  • the solvent penetrates from the high-concentration solution side to the low-concentration solution side through the reverse osmosis membrane. Therefore, the direction of solvent penetration is opposite to the natural penetration direction, so it is called reverse osmosis.
  • the solution can be separated, extracted, purified and concentrated.
  • Reverse osmosis membrane In reverse osmosis technology, the reverse osmosis membrane plays a vital role.
  • Reverse osmosis membrane is a kind of artificial semi-permeable membrane with certain permeability characteristics made by simulating biological semi-permeable membrane. It is the core component of reverse osmosis technology. In reverse osmosis technology, some substances cannot penetrate the semi-permeable membrane, so these substances can be separated from the solvent.
  • the membrane pore size of the reverse osmosis membrane is very small, so it can effectively remove dissolved salts, colloids, microorganisms, organic matter, etc. in water.
  • FIG. 1 is an exploded view of a liquid treatment device having a reverse osmosis membrane. As shown in FIG. 1, the liquid treatment device 1 has a housing 10 and a reverse osmosis membrane unit 20.
  • the housing 10 has a housing body 16 and a cover body 11.
  • the housing body 16 is open at one end in the longitudinal direction and closed at the other end.
  • the cover body 11 cooperates with one end of the housing body 16 to close the one end.
  • the cover 11 is provided with an inlet 13 through which liquid flows into the cover 11.
  • the cover body 11 can be connected to the housing body 16 by threads, for example.
  • the reverse osmosis membrane unit 20 is located in a housing space formed by the housing body 16 and the cover 11.
  • the reverse osmosis membrane unit 20 has a reverse osmosis membrane 24 that performs reverse osmosis treatment on the liquid and collects the reverse osmosis treatment
  • the reverse osmosis membrane 24 has a liquid inlet 21 at one end in the longitudinal direction, and the liquid collecting pipe 27 has a liquid outlet 23.
  • the other end of the housing body 16 is provided with a first outlet 15 and a second outlet 14, wherein the first outlet 15 communicates with the liquid outlet 23 of the liquid collection tube 27 for purifying after reverse osmosis treatment
  • the liquid flows out of the housing 10.
  • the second outlet 14 communicates with the liquid outlet 24a of the reverse osmosis membrane 24, and is used to allow waste liquid generated by the reverse osmosis process to flow out of the housing 10.
  • the other end of the housing 10 is provided with a concave portion 16a for accommodating the liquid collecting tube 27, and a seal ring 26 is provided between the outer wall of the liquid collecting tube 27 and the inner wall of the concave portion 16a; and, reverse osmosis
  • a sealing member 25 is provided between the outer periphery of the membrane 24 and the inner wall of the housing 10.
  • the sealing member 25 is used to prevent liquid that has not undergone reverse osmosis treatment from entering the inside of the main body 16, and the sealing ring 26 is used to prevent waste liquid from entering the liquid outlet 23.
  • the sealing ring 26 may be an O-ring.
  • a sealing ring 12 such as an O-ring, may be further provided, thereby further ensuring the seal between the outer periphery of the reverse osmosis membrane 24 and the inner wall of the housing 10.
  • FIG. 2 is a schematic diagram of the liquid processing apparatus of FIG. 1 after being assembled.
  • the liquid enters the inner space of the cover 11 from the inlet 13, and the liquid blocked by the sealing member 25 enters the reverse osmosis membrane 24 via the liquid inlet 21 of the reverse osmosis membrane 24.
  • the pressure that the liquid entering the reverse osmosis membrane 24 receives when flowing becomes the pressure required to perform the reverse osmosis process, whereby the liquid also undergoes a reverse osmosis process while flowing through the reverse osmosis membrane 24.
  • the liquid penetrating the reverse osmosis membrane 24 in the radial direction becomes a purification liquid, which is collected by the liquid collecting tube 27 provided at the radial center of the reverse osmosis membrane 24 and flows out of the housing 10 through the liquid outlet 23 and the first outlet 15 .
  • the liquid flowing in the longitudinal direction to the liquid outlet 24a of the reverse osmosis membrane 24 becomes a waste liquid having a high impurity concentration, and the waste liquid can flow out of the casing from the second outlet.
  • the inventor of the present application found that, for example, in a liquid treatment device with a reverse osmosis membrane as shown in FIG. 1, large impurities in the liquid are likely to cause contamination of the reverse osmosis membrane or block the membrane pores of the reverse osmosis membrane, thereby reducing reverse osmosis
  • the treatment effect of the membrane for example, when the liquid is water, the scale in it is likely to block the pores of the reverse osmosis membrane. Therefore, an additional pretreatment device is required to pretreat the liquid, and the pretreated liquid is further processed by the reverse osmosis membrane.
  • These additional pretreatment devices are usually installed in a special cylinder or tube, which not only takes up space, but also has complicated installation and high cost.
  • An embodiment of the present application provides a liquid processing device.
  • a filter in the space between the cover and the support rod of the liquid processing device, the liquid entering the reverse osmosis membrane can be pre-processed, and the space can be saved. Convenient and low cost.
  • a liquid processing device including:
  • the housing 10 has a housing body 16 and a cover body 11, wherein the housing body 16 is open at one end in the longitudinal direction and closed at the other end, and the cover body 11 cooperates with the one end of the housing body 16 to To close the one end, the cover body 11 is provided with an inlet 13 for liquid to flow into the cover body 11;
  • a reverse osmosis membrane unit 20 which is located in a housing space enclosed by the housing body 16 and the cover body 11, the reverse osmosis membrane unit 20 has a reverse osmosis membrane 24 that performs reverse osmosis treatment on the liquid, and collects reverse The liquid-collecting tube 27 after the osmosis treatment and the support rod 22 supporting the reverse osmosis membrane 24, wherein the reverse osmosis membrane 24 has a liquid inlet 21 at one end in the longitudinal direction; and
  • the filter 30 is provided in the cover 11 and is located between the liquid inlet 21 and the inlet 13 for filtering and filtering the liquid entering the cover 11 through the inlet 13
  • the treated liquid enters the reverse osmosis membrane 24 via the liquid inlet.
  • the first outlet 15 communicates with the liquid collecting tube 27,
  • the second outlet 14 communicates with the liquid outlet 24a of the reverse osmosis membrane 24 for allowing the waste liquid generated by the reverse osmosis treatment to flow out of the casing 10.
  • the other end of the housing 10 is provided with a concave portion 16a for accommodating the liquid collecting tube 27, the outer wall of the liquid collecting tube 27 and the concave portion 16a
  • a seal ring 26 is provided between the inner walls, and a seal member 25 is provided between the outer periphery of the reverse osmosis membrane 24 and the inner wall of the housing 10.
  • the filter 30 includes a main body 34, a cover 35, and a processing medium 33, wherein the processing medium 33 is located in a space enclosed by the main body 34 and the cover 35.
  • a first seal ring 31 is provided between the main body 34 and the support tube 22 of the reverse osmosis membrane unit 20, the cover 35 and the housing 10
  • a second sealing ring (32 or 36) is provided between the cover body 11 of the housing.
  • the main body 34 has an inner wall 34a extending axially, an outer wall 34b extending axially, and a lower end plate connecting the inner wall 34a and the outer wall 34b in the radial direction 34c, the outer wall 34b is located radially inward of the inner wall 34a.
  • the inner wall 34a of the main body 34 has an inlet 341
  • the outer wall 34b of the main body 34 has an outlet 342
  • the liquid entering the filter 30 flows from the inlet 341 to the outlet 342 in the radial direction.
  • the cover 35 has an inlet 351
  • the lower end plate 34c of the body 34 has an outlet 342a
  • the processing is provided between the inlet 351 and the outlet 342a With the medium 33, the liquid entering the filter 30 flows from the inlet 351 to the outlet 342a in the axial direction.
  • the filter 30 further has a distributor 37, wherein the distributor 37 is located in a space enclosed by the body 34 and the cover 35, the distribution
  • the device 37 has a lower finger 41, a side finger 39 and a slot 40.
  • the liquid flows from the gap between the lower finger 41 to the radially outer side and passes through the gap between the side fingers 39 Or the opening 40, which in turn flows out of the filter 30 from the outlet 42 of the cover 35, and flows to the liquid inlet 21 of the reverse osmosis membrane unit 20.
  • the beneficial effect of the embodiments of the present application is that the filter is arranged in the space between the cover and the support rod of the liquid treatment device, the liquid entering the reverse osmosis membrane can be pre-treated, and the installation of the filter saves space, Easy installation and low cost.
  • Figure 1 is an exploded view of a liquid treatment device with a reverse osmosis membrane
  • FIG. 2 is a schematic diagram of the liquid processing device of FIG. 1 after assembly
  • FIG. 3(a) is a schematic diagram of the liquid processing apparatus of Example 1 of the present application.
  • FIG. 3(b) is a schematic diagram of the liquid processing device of FIG. 3(a) after assembly;
  • Example 4 is a schematic diagram of the liquid processing apparatus of Example 1 of the present application.
  • Example 5 is another schematic diagram of the liquid processing apparatus of Example 1 of the present application.
  • Example 6 is another schematic diagram of the liquid processing apparatus of Example 1 of the present application.
  • FIG. 7 is an exploded view of the filter 30 corresponding to FIG. 6;
  • 8(a) and 8(b) are another two schematic diagrams of the liquid processing device of the embodiment of the present application.
  • the terms “first”, “second”, etc. are used to distinguish different elements in terms of titles, but do not mean the spatial arrangement or chronological order of these elements, and these elements should not be used by these terms Restricted.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising”, “including”, “having”, etc. refer to the presence of stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
  • the direction extending along the length of the housing is referred to as the “axial direction”, and in the axial direction, the direction from the case body 16 to the cover 11 is referred to as the “upward” direction, and “upper”
  • the direction opposite to the direction is regarded as the "downward” direction; the direction passing through the central axis in the section perpendicular to the central axis of the casing is regarded as the "radial direction”, and the direction around the central axis is regarded as the "axial direction”.
  • Embodiment 1 of the present application provides an article distribution system.
  • FIG. 3(a) is a schematic diagram of a liquid treatment device according to an embodiment of the present application.
  • the liquid treatment device 3 includes a housing 10, a reverse osmosis membrane unit 20, and a filter 30.
  • the housing 10 has a housing body 16 and a cover body 11.
  • the housing body 16 is open at one end in the longitudinal direction and closed at the other end.
  • the cover body 11 cooperates with one end of the housing body 16 for closing At one end, the lid 11 is provided with an inlet 13 through which liquid flows into the lid 11.
  • the cover body 11 can be connected to the housing body 16 by threads, for example.
  • the reverse osmosis membrane unit 20 is located in a containing space enclosed by the casing body 16 and the cover body 11.
  • the reverse osmosis membrane unit 20 has a reverse osmosis membrane 24 that performs reverse osmosis treatment on the liquid
  • the reverse osmosis membrane 24 has a liquid inlet 21 at one end in the longitudinal direction, and the liquid collecting tube 27 has a liquid outlet 23.
  • the filter 30 may be provided in the cover 11 between the liquid inlet 21 and the inlet 13 for filtering the liquid entering the cover 11 through the inlet 13, and the filtered liquid enters through the liquid inlet 21 Reverse osmosis membrane 24.
  • the filter 30 may be provided around the support rod 22.
  • the filter 30 in the axial direction, the filter 30 is located between the liquid inlet 21 of the reverse osmosis membrane unit and the inlet 13 of the cover 11; in the radial direction, the filter 30 is located between the support rod 22 and the cover 11.
  • a filter 30 is provided to filter the liquid, and the filtered liquid enters the reverse osmosis membrane unit to perform reverse osmosis treatment, thereby avoiding the reverse osmosis membrane unit being subjected to liquid
  • the large particles of impurities contaminate and block the membrane pores, and because the filter 30 is placed in the cover space, space is saved, and there is no need to set up complicated piping between the filter and the reverse osmosis membrane, installation and maintenance Convenient; In addition, it is easy to replace the filter.
  • the other end of the housing body 16 is provided with a first outlet 15 and a second outlet 14, wherein the first outlet 15 communicates with the liquid outlet 23 of the liquid collection tube 27, It is used to make the purified liquid after the reverse osmosis process flow out of the casing 10.
  • the second outlet 14 communicates with the liquid outlet 24a of the reverse osmosis membrane 24, and is used to allow waste liquid generated by the reverse osmosis process to flow out of the housing 10.
  • the other end of the housing 10 is provided with a recess 16a for accommodating the liquid collecting tube 27, and a sealing ring 26 is provided between the outer wall of the liquid collecting tube 27 and the inner wall of the recess 16a; and A sealing member 25 is provided between the outer periphery of the reverse osmosis membrane 24 and the inner wall of the housing 10.
  • the sealing member 25 is used to prevent liquid that has not undergone reverse osmosis from entering the interior of the subject 16, and the sealing ring 26 is used to prevent waste liquid from entering the liquid outlet 23.
  • the sealing ring 26 may be an O-ring.
  • a sealing ring 12 such as an O-ring, may be further provided, thereby further ensuring the seal between the outer periphery of the reverse osmosis membrane 24 and the inner wall of the housing 10.
  • a first sealing ring 31 may be provided for sealing between the filter 30 and the support tube 22 to avoid filtering without the filter 30 Of liquid enters the reverse osmosis membrane.
  • FIG. 3(b) is a schematic view of the liquid processing device of FIG. 3(a) after being assembled.
  • the liquid enters the inner space of the cover 11 from the inlet 13 and is filtered by the filter 30, and then the liquid enters the reverse osmosis membrane 24 through the liquid inlet 21 of the reverse osmosis membrane 24.
  • the pressure that the liquid entering the reverse osmosis membrane 24 receives when flowing becomes the pressure required to perform the reverse osmosis process, whereby the liquid also undergoes a reverse osmosis process while flowing through the reverse osmosis membrane 24.
  • the liquid penetrating the reverse osmosis membrane 24 in the radial direction becomes a purification liquid, which is collected by the liquid collecting tube 27 provided at the radial center of the reverse osmosis membrane 24 and flows out of the housing 10 through the liquid outlet 23 and the first outlet 15 .
  • the liquid flowing in the longitudinal direction to the liquid outlet 24a of the reverse osmosis membrane 24 becomes a waste liquid having a high impurity concentration, and the waste liquid can flow out of the housing 10 from the second outlet 14.
  • FIG. 4 is a schematic diagram of a liquid processing apparatus.
  • the filter 30 includes a main body 34, a cover 35, and a processing medium 33.
  • the processing medium 33 is located around the main body 34 and the cover 35. In space.
  • the treatment medium 33 can be used to remove scale-prone substances in the liquid (for example, water).
  • the treatment medium 33 may be a packed bed medium.
  • the packed bed medium may be a medium based on template-assisted crystallization (TAC) technology, which uses special polymer particles as a fluid treatment medium to make hard water ore in water.
  • TAC template-assisted crystallization
  • Substance for example, CaCO3
  • CaCO3 precipitates and attaches to the surface of the polymer particles in the form of harmless, inactive tiny crystalline particles, and after growing to a certain size, it detaches from the polymer particles and returns to the water, non-reactive, non-adhesive
  • the grain form is suspended in water, which effectively prevents the formation of scale. Therefore, the fluid treatment system using TAC technology is different from the conventional fluid treatment system in that it does not trap hard water minerals, but only changes the hard water minerals into the form of grains.
  • An example of a fluid treatment system using TAC technology is a system that uses Next-ScaleStop as the fluid treatment medium.
  • Next-ScaleStop As the fluid treatment medium.
  • the advantages of Next-ScaleStop include: (1) No need to use any chemicals, so it is more environmentally friendly; (2) Provide waterproof scale protection for the entire house; (3) The medium has a long life and is not consumed by reaction; (4) Retain beneficial minerals in water; (5) No sticky slippery feeling like soft water.
  • the Next-ScaleStop fluid processing medium is polymer particles with a size of 0.55 to 0.85 mm (about 20 ⁇ 40 mesh) and a bulk density of about 0.67 kg/l.
  • TAC soft water technology there are many atomic-sized nucleation sites on the surface of the polymer particles (or polymer beads) (such as Next-ScaleStop), and in these sites, the dissolved hard water substances are converted into tiny “seeds” ". Once the seed crystals are generated and grown to a certain size, the water flow through the template-assisted crystallization (TAC) fluid treatment medium contained in the column bed unit will take them away from the surface of the polymer particles.
  • TAC template-assisted crystallization
  • the overall mechanism of TAC soft water technology is as follows: (1) the hard water material dissolved on the surface of the polymer particles with many nucleation sites is converted into tiny "seeds"; (2) it takes several hours for the seed to grow 10%, Therefore, if the water flow stops throughout the night, the size of the seed crystal released from the TAC column bed is only slightly larger than the normal seed crystal size, so after a few minutes of water flow, at various flow rates, from the TAC column bed The size of the seed crystal released on the surface of the particle becomes normal again (the variation range is only within 10%); (3) The newly generated seed crystal adheres to the nucleation site of atomic size and grows until it is washed into the water flow The release rate of the seed crystal is proportional to the flow rate of water.
  • the packed bed medium may also be other types of media, for example, a disinfection medium (disinfection media), and the disinfection medium may be, for example, a media material with a trade name of Quantum Disinfection.
  • a disinfection medium disinfection media
  • the disinfection medium may be, for example, a media material with a trade name of Quantum Disinfection.
  • the main body 34 has an inner wall 34a extending in the axial direction, an outer wall 34b extending in the axial direction, and a lower end plate 34c connecting the inner wall 34a and the outer wall 34b in the radial direction,
  • the outer wall 34b is located radially inward of the inner wall 34a.
  • the inner wall 34 a of the main body 34 may have one or more inlets 341, and the outer wall 34 b of the main body 34 may have one or more outlets 342, and the processing medium 33 is disposed between the inlet 341 and the outlet 342.
  • the liquid entering the housing from the inlet 13 can flow through the gap between the support rod 22 and the inner wall 34a in the radial direction, and flow radially from the inlet 341 of the inner wall 34a to the outlet 342.
  • the liquid is filtered by the processing medium 33 while flowing from the inlet 341 to the outlet 342.
  • a first seal ring 31 is provided between the main body 34 and the support tube 22 of the reverse osmosis membrane unit 20, and a second seal ring 32 is provided between the cover 35 and the cover 11 of the housing 10.
  • the second sealing ring 32 may be located between the cover 35 and the cover body 11, and the second sealing ring 32 is used to prevent the unfiltered liquid from being mixed with the filtered liquid.
  • Fig. 5 is another schematic diagram of the liquid processing apparatus.
  • the difference between FIG. 5 and FIG. 4 is that the arrangement of the inlet and outlet of the filter 30 is different from that of FIG. 4, whereby the flow path of the liquid in the filter 30 is different.
  • the cover 35 has an inlet 351
  • the lower end plate 34c of the main body 34 has an outlet 342a
  • a processing medium 33 is provided between the inlet 351 and the outlet 342a, and the liquid entering the filter 30 flows from the inlet 351 to the outlet in the axial direction 342a.
  • the second seal ring may be indicated by reference numeral 36, which is located between the cover 35 and the cover body 11 in the axial direction, and, in the radial direction, the second seal ring 36 is located at the inlet 351 The outside of the radial direction, thereby guiding the unfiltered liquid from the inlet 351 into the filter 30, and to prevent the unfiltered liquid from mixing with the filtered liquid.
  • FIG. 6 is another schematic diagram of the liquid processing apparatus
  • FIG. 7 is an exploded view of the filter 30 corresponding to FIG. 6.
  • the difference between FIG. 6 and FIG. 4 is that the structure of the filter 30 is different from that of FIG. 4, and therefore, the flow path of the liquid in the filter 30 is different.
  • the filter 30 has a main body 34, a cover 35, a processing medium 33 (not shown in FIG. 7 ), and a distributor 37.
  • the distributor 37 is located in the space enclosed by the main body 34 and the cover 35 and is used to distribute the processing medium 33.
  • the dispenser 37 may have a lower finger 41, a side finger 39, and a slot 40.
  • the liquid flows from the gap between the lower fingers 41 to the radially outer side , And passes through the gap or opening 40 between the side fingers 39, and then flows out of the filter 30 from the outlet 42 of the cover 35, and flows to the liquid inlet 21 of the reverse osmosis membrane unit 20.
  • the processing medium 33 may not fill the space, thereby, when the liquid does not enter the filter 30, it is formed radially outside the space. There is a space 39 that is not filled by the processing medium 33.
  • a part of the liquid flows from the flow path C, and another part of the liquid flows from the flow path B.
  • the filtered liquid passes through the flow path D, flows out of the filter 30 from the outlet 42 of the cover 35, and passes through the inlet 21 Enter the reverse osmosis membrane 24.
  • FIGS. 8(a) and 8(b) are another two schematic diagrams of the liquid processing device of the embodiment of the present application.
  • 8(a) and FIG. 8(b) are similar to FIG. 6 except that in FIG. 6, the first outlet 15 and the second outlet 14 and the inlet 13 are provided in the axial direction of the housing 10 8(a) and 8(b), the first outlet 15a and the second outlet 14a are also provided on the cover 11, ie, the first outlet 15a and the second outlet 14a are The inlet 13 is provided at the same end in the axial direction of the housing 10.
  • the reverse osmosis membrane unit 20 of FIGS. 8(a) and 8(b) does not have the sealing member 25.
  • the first outlet 15a is used to flow the purified liquid after reverse osmosis treatment out of the casing 10
  • the second outlet 14a is used to flow the waste liquid generated by the reverse osmosis treatment out of the casing 10.
  • FIG. 8(a) and 8(b) are two embodiments.
  • the inlet 21 is located at the end of the reverse osmosis membrane unit 20 close to the cover 11, and a cover 29 is provided at the other end of the reverse osmosis membrane unit 20 away from the cover 11.
  • FIG. 8( b ) the inlet 21 is located at the end of the reverse osmosis membrane unit 20 away from the cover 11, and at the other end of the reverse osmosis membrane unit 20 near the cover 11, a cover 29 is provided.
  • the liquid entering the reverse osmosis membrane can be pre-processed, and the space can be saved, the installation is convenient, and the cost is low.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

一种液体处理装置，具有：壳体（10），其具有外壳主体（16）和盖体（11），其中，外壳主体（16）在长度方向的一端开口，另一端封闭，盖体（11）与外壳主体（16）的一端配合，用于封闭一端，盖体（11）设置有供液体流入盖体（11）的入口（13）；反渗透膜单元（20），其位于由外壳主体（16）和盖体（11）围合成的容纳空间内，反渗透膜单元（20）具有：对液体进行反渗透处理的反渗透膜（24），收集反渗透处理后的净化液体的集液管（27），以及支撑反渗透膜（24）的支撑棒（22），其中，反渗透膜（24）在长度方向的一端具有液体入口（21）；以及，过滤器（30），其被设置于盖体（11）内，位于液体入口（21）和入口（13）之间，用于对经由入口（13）进入盖体（11）的液体进行过滤处理，过滤处理后的液体经由液体入口（21）进入反渗透膜（24）。通过在液体处理装置的盖体（11）和支撑棒（22）之间的空间内设置过滤器（30），能够对进入反渗透膜（24）的液体进行预先处理，并且，能够节省空间，安装方便，成本较低。

Description

液体处理装置 技术领域
本申请涉及液体处理技术领域，特别涉及一种液体处理装置。
背景技术
反渗透(reverse osmosis)技术，是一种以压力差为推动力，从溶液中分离出溶剂的技术。在反渗透技术中，溶剂从高浓度的溶液一侧通过反渗透膜渗透到低浓度的溶液一侧，所以，溶剂的渗透方向与自然渗透的方向相反，因此称为反渗透。利用反渗透技术，可以对溶液进行分离、提取、纯化和浓缩等目的。
在反渗透技术中，反渗透膜起到了至关重要的作用。反渗透膜是一种模拟生物半透膜制成的具有一定渗透特性的人工半透膜，是反渗透技术的核心构件。在反渗透技术中，有些物质不能透过半透膜，因而这些物质能够被从溶剂中分离开来。
反渗透膜的膜孔径非常小，因此能够有效地去除水中的溶解盐类、胶体、微生物、有机物等。
应该注意，上面对技术背景的介绍只是为了方便对本申请的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本申请的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
图1是具有反渗透膜的液体处理装置的爆炸图，如图1所示，该液体处理装置1具有壳体10和反渗透膜单元20。
如图1所示，壳体10具有外壳主体16和盖体11，该外壳主体16在长度方向的一端开口,另一端封闭,盖体11与外壳主体16的一端配合，用于封闭该一端，盖体11设置有供液体流入所述盖体11的入口13。其中，盖体11例如可以通过螺纹与外壳主体16连接。
如图1所示，反渗透膜单元20位于由外壳主体16和盖体11围合成的容纳空间内,反渗透膜单元20具有：对液体进行反渗透处理的反渗透膜24,收集反渗透处理后的净化液体的集液管27，以及支撑该反渗透膜24的支撑棒22。反渗透膜24在长度 方向的一端具有液体入口21，集液管27具有液体出口23。
如图1所示，外壳主体16的另一端设置有第一出口15和第二出口14，其中，第一出口15与集液管27的液体出口23连通，用于使反渗透处理后的净化液体流出壳体10。第二出口14与反渗透膜24的液体出口24a连通，用于使反渗透处理产生的废弃液体流出所述壳体10。
如图1所示，壳体10的该另一端设置有用于容纳所述集液管27的凹部16a，集液管27的外壁与凹部16a的内壁之间设置有密封环26；并且，反渗透膜24的外周与壳体10的内壁之间设置有密封部件25。其中，密封部件25用于避免未经过反渗透处理的液体进入主体16内部，密封环26用于避免废弃液进入液体出口23。密封环26可以是O型环。此外，在密封部件25的附近，还可以进一步设置密封环12，例如O型环，由此，进一步保证反渗透膜24外周与壳体10的内壁之间的密封。
图2是图1的液体处理装置组装后的示意图。如图2所示，液体从入口13进入盖体11内空间，被密封部件25阻挡的液体经由反渗透膜24的液体入口21进入反渗透膜24。进入反渗透膜24的液体在流动时受到的压力成为了进行反渗透过程所需的压力，由此，液体在流经反渗透膜24的过程中也同时经历反渗透过程。
在径向上穿透反渗透膜24的液体成为净化液体，该净化液体被设置于反渗透膜24径向中心的集液管27所收集，并通过液体出口23和第一出口15流出壳体10。
在反渗透膜24中，沿长度方向流动到反渗透膜24的液体出口24a的液体成为杂质浓度较高的废弃液体，该废弃液体可以从第二出口流出壳体。
本申请的发明人发现，在例如图1所示的具有反渗透膜的液体处理装置中，液体里较大的杂质容易对反渗透膜造成污染或阻塞反渗透膜的膜孔，从而降低反渗透膜的处理效果，例如，当液体是水时，其中的水垢就容易对反渗透膜的膜孔造成阻塞。因此，需要设置额外的预处理装置对液体进行预处理，预处理后的液体再由反渗透膜进行进一步处理。这些额外的预处理装置通常被设置在专门的筒体内或管体内，不仅占用空间，而且安装复杂，成本较高。
本申请实施例提供一种液体处理装置，通过在液体处理装置的盖体和支撑棒之间的空间内设置过滤器，能够对进入反渗透膜的液体进行预先处理，并且，能够节省空间，安装方便，成本较低。
根据本申请实施例的一个方面，提供一种液体处理装置,该液体处理装置包括:
壳体10,其具有外壳主体16和盖体11,其中,所述外壳主体16在长度方向的一端开口,另一端封闭,所述盖体11与所述外壳主体16的所述一端配合,用于封闭所述一端，所述盖体11设置有供液体流入所述盖体11的入口13；
反渗透膜单元20,其位于由所述外壳主体16和所述盖体11围合成的容纳空间内,所述反渗透膜单元20具有:对液体进行反渗透处理的反渗透膜24,收集反渗透处理后的净化液体的集液管27,以及支撑所述反渗透膜24的支撑棒22,其中,所述反渗透膜24在长度方向的一端具有液体入口21；以及
过滤器30，其被设置于所述盖体11内，位于所述液体入口21和所述入口13之间，用于对经由所述入口13进入所述盖体11的液体进行过滤处理，过滤处理后的液体经由所述液体入口进入所述反渗透膜24。
根据本申请实施例的另一个方面，其中，所述外壳主体16的所述另一端设置有第一出口15和第二出口14，所述第一出口15与所述集液管27连通，用于使反渗透处理后的净化液体流出所述壳体10，所述第二出口14与所述反渗透膜24的液体出口24a连通，用于使反渗透处理产生的废弃液体流出所述壳体10。
根据本申请实施例的另一个方面，其中，所述壳体10的所述另一端设置有用于容纳所述集液管27的凹部16a，所述集液管27的外壁与所述凹部16a的内壁之间设置有密封环26，所述反渗透膜24的外周与所述壳体10的内壁之间设置有密封部件25。
根据本申请实施例的另一个方面，其中，所述过滤器30包括主体34、盖35和处理介质33，其中，处理介质33位于主体34和盖35围合成的空间中。
根据本申请实施例的另一个方面，其中，所述主体34与所述反渗透膜单元20的所述支撑管22之间设置有第一密封环31，所述盖35与所述壳体10的所述盖体11之间设置有第二密封环(32或36)。
根据本申请实施例的另一个方面，其中，所述主体34具有延轴向延伸的内壁34a，延轴向延伸的外壁34b，以及在径向上连接所述内壁34a和所述外壁34b的下端板34c，所述外壁34b位于所述内壁34a的径向内侧。
根据本申请实施例的另一个方面，其中，所述主体34的所述内壁34a具有入口341，主体34的所述外壁34b具有出口342，所述入口341和所述出口342之间设置有所述处理介质33，进入所述过滤器30的液体从所述入口341沿径向流动到所述出 口342。
根据本申请实施例的另一个方面，其中，所述盖35具有入口351，所述主体34的所述下端板34c具有出口342a，所述入口351和所述出口342a之间设置有所述处理介质33，进入所述过滤器30的液体从所述入口351沿轴向流动到所述出口342a。
根据本申请实施例的另一个方面，其中，所述第二密封环36位于所述入口351的径向外侧。
根据本申请实施例的另一个方面，其中，过滤器30还具有分配器(distributor)37，其中，所述分配器37位于所述主体34和所述盖35围合的空间中，所述分配器37具有下部指(finger)41、侧部指(finger)39和开口(slot opening)40，液体从下部指41之间的间隙流到径向外侧，并经过侧部指39之间的间隙或开口40，进而从盖35的出口42流出过滤器30，并流向反渗透膜单元20的液体入口21。
本申请实施例的有益效果在于：将过滤器设置在液体处理装置的盖体和支撑棒之间的空间内，能够对进入反渗透膜的液体进行预先处理，并且，过滤器的安装节省空间，安装方便，成本较低。
参照后文的说明和附图，详细公开了本申请的特定实施方式，指明了本申请的原理可以被采用的方式。应该理解，本申请的实施方式在范围上并不因而受到限制。在所附权利要求的条款的范围内，本申请的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在，但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
在本申请实施例的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
所包括的附图用来提供对本申请实施例的进一步的理解，其构成了说明书的一部分，用于例示本申请的实施方式，并与文字描述一起来阐释本申请的原理。显而易见 地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1是具有反渗透膜的液体处理装置的爆炸图；
图2是图1的液体处理装置组装后的示意图；
图3(a)是本申请实施例1的液体处理装置的一个示意图；
图3(b)是图3(a)的液体处理装置组装后的示意图；
图4是本申请实施例1的液体处理装置的示意图；
图5是本申请实施例1的液体处理装置的另一个示意图；
图6是本申请实施例1的液体处理装置的又一个示意图；
图7是与图6对应的过滤器30的一个爆炸图；
图8(a)和图8(b)是本申请实施例的液体处理装置的另两个示意图。
具体实施方式
参照附图，通过下面的说明书，本申请的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本申请的特定实施方式，其表明了其中可以采用本申请的原则的部分实施方式，应了解的是，本申请不限于所描述的实施方式，相反，本申请包括落入所附权利要求的范围内的全部修改、变型以及等同物。下面结合附图对本申请的各种实施方式进行说明。这些实施方式只是示例性的，不是对本申请的限制。
在本申请实施例中，术语“第一”、“第二”等用于对不同元素从称谓上进行区分，但并不表示这些元素的空间排列或时间顺序等，这些元素不应被这些术语所限制。术语“和/或”包括相关联列出的术语的一种或多个中的任何一个和所有组合。术语“包含”、“包括”、“具有”等是指所陈述的特征、元素、元件或组件的存在，但并不排除存在或添加一个或多个其他特征、元素、元件或组件。
在本申请实施例中，单数形式“一”、“该”等包括复数形式，应广义地理解为“一种”或“一类”而并不是限定为“一个”的含义；此外术语“该”应理解为既包括单数形式也包括复数形式，除非上下文另外明确指出。此外术语“根据”应理解为“至少部分根据……”，术语“基于”应理解为“至少部分基于……”，除非上下文另外明确指出。
在本申请的下述说明中，将沿着壳体的长度延伸的方向作为“轴向”，在轴向上， 从外壳主体16指向盖体11的方向作为“上”方向，与“上”方向相反的方向作为“下”方向；将与壳体的中心轴线垂直的截面上经过该中心轴线的方向作为“径向”，将围绕该中心轴线的方向作为“轴向”。
实施例1
本申请实施例1提供一种物品配送系统。
图3(a)是本申请实施例的液体处理装置的一个示意图，如图3(a)所示，液体处理装置3具有：壳体10，反渗透膜单元20，以及过滤器30。
如图3(a)所示，壳体10具有外壳主体16和盖体11，该外壳主体16在长度方向的一端开口,另一端封闭,盖体11与外壳主体16的一端配合,用于封闭该一端，盖体11设置有供液体流入所述盖体11的入口13。其中，盖体11例如可以通过螺纹与外壳主体16连接。
如图3(a)所示，反渗透膜单元20位于由外壳主体16和盖体11围合成的容纳空间内,反渗透膜单元20具有:对液体进行反渗透处理的反渗透膜24,收集反渗透处理后的净化液体的集液管27,以及支撑该反渗透膜24的支撑棒22。反渗透膜24在长度方向的一端具有液体入口21，集液管27具有液体出口23。
过滤器30可以被设置于盖体11内，位于液体入口21和入口13之间，用于对经由所述入口13进入盖体11的液体进行过滤处理，过滤处理后的液体经由液体入口21进入反渗透膜24。
如图3(a)所示，过滤器30可以围绕支撑棒22而设置。由此，在轴向上，过滤器30位于反渗透膜单元的液体入口21与盖体11的入口13之间；在径向上，过滤器30位于支撑棒22与盖体11之间。
根据本实施例，在壳体10的空间内，设置过滤器30对液体进行过滤处理，该过滤处理后的液体进入反渗透膜单元进行反渗透处理，由此，能够避免反渗透膜单元被液体中的大颗粒杂质所污染和阻塞膜孔，并且，由于过滤器30被设置在盖体空间内，节省了空间，并且无需在过滤器和反渗透膜之间设置复杂的管路，安装和维护方便；此外，也便于更换过滤器。
在本实施例中，如图3(a)所示，外壳主体16的另一端设置有第一出口15和第二出口14，其中，第一出口15与集液管27的液体出口23连通，用于使反渗透处 理后的净化液体流出壳体10。第二出口14与反渗透膜24的液体出口24a连通，用于使反渗透处理产生的废弃液体流出所述壳体10。
如图3(a)所示，壳体10的该另一端设置有用于容纳所述集液管27的凹部16a，集液管27的外壁与凹部16a的内壁之间设置有密封环26；并且，反渗透膜24的外周与壳体10的内壁之间设置有密封部件25。其中，密封部件25用于避免未经过反渗透处理的液体进入主题16内部，密封环26用于避免废弃液进入液体出口23。密封环26可以是O型环。此外，在密封部件25的附近，还可以进一步设置密封环12，例如O型环，由此，进一步保证反渗透膜24外周与壳体10的内壁之间的密封。
如图3(a)所示，在支撑管22和过滤器30之间，可以设置有第一密封环31，用于对过滤器30和支撑管22之间进行密封，避免未经过滤器30过滤的液体进入反渗透膜。
图3(b)是图3(a)的液体处理装置组装后的示意图。如图3(b)所示，液体从入口13进入盖体11内空间，经过过滤器30过滤后，液体经由反渗透膜24的液体入口21进入反渗透膜24。进入反渗透膜24的液体在流动时受到的压力成为了进行反渗透过程所需的压力，由此，液体在流经反渗透膜24的过程中也同时经历反渗透过程。
在径向上穿透反渗透膜24的液体成为净化液体，该净化液体被设置于反渗透膜24径向中心的集液管27所收集，并通过液体出口23和第一出口15流出壳体10。
在反渗透膜24中，沿长度方向流动到反渗透膜24的液体出口24a的液体成为杂质浓度较高的废弃液体，该废弃液体可以从第二出口14流出壳体10。
在本实施例中，图4是液体处理装置的一个示意图，如图4所示，过滤器30包括主体34、盖35和处理介质33，其中，处理介质33位于主体34和盖35围合成的空间中。
在本实施例中，该处理介质33能用于去除液体(例如，水)中的容易形成水垢的物质。在一个实施方式中，该处理介质33可以是填料床介质，填料床介质例如可以是基于模板辅助型结晶(TAC)技术的介质，其利用特殊的聚合物颗粒作为流体处理介质使水中的硬水矿物质(例如，CaCO3)以无害、无活性的微小结晶颗粒形式沉淀并附着在聚合物颗粒表面上，并在长大到一定尺寸后脱离聚合物颗粒返回水中，以非反应性、非附着性的晶粒形式悬浮在水中，从而达有效地防止了水垢的形成。因此，使 用基于TAC技术的流体处理系统与传统的流体处理系统不同，其并不截留硬水矿物质，仅是使硬水矿物质变为晶粒形式。
利用TAC技术的流体处理系统一个实例是使用Next-ScaleStop作为流体处理介质的系统，根据防止水垢的国际操作规程，Next-ScaleStop流体处理介质的有效率达到96％，比任何其他软水剂都更有效。Next-ScaleStop的优势包括：(1)不需要使用任何化学品，因此较为环保；(2)为整个房屋提供防水垢保护；(3)介质寿命很长，不因反应而消耗；(4)会保留水中的有益矿物质；(5)没有软水的那种粘滑感觉。Next-ScaleStop流体处理介质为聚合物颗粒，其尺寸为0.55～0.85mm(约20×40目)，堆密度约0.67kg/l。
在TAC软水技术中，所用的聚合物颗粒(或聚合物珠)(例如Next-ScaleStop)的表面上存在很多原子尺寸的成核部位，在这些部位，溶解的硬水物质转化为微小的“晶种”。晶种一旦产生并生长到某个尺寸，流过容纳在柱床单元中的模板辅助型结晶(TAC)流体处理介质的水流便会将其从聚合物颗粒表面带走。因此，TAC软水技术的作用机理总体如下：(1)具有很多成核部位的聚合物颗粒表面溶解的硬水物质转化为微小的“晶种”；(2)晶种长大10％需要数小时，因此，如果在整个夜晚水流停止，则从TAC柱床释放出的晶种的尺寸仅比正常的晶种尺寸略大，所以，在水流动几分钟后，在各种流速下，从TAC柱床颗粒表面释放出的晶种的尺寸再次变为正常(变化范围仅为10％以内)；(3)新产生的晶种粘附在原子尺寸的成核部位并长大，直到被冲到水流中，晶种的释放速率与水的流速成正比。
此外，该填料床介质也可以是其它类型的介质，例如，消毒介质(disinfection media)，该消毒介质例如可以是商品名为Quantum Disinfection的介质材料。
在本实施例中，如图4所示，主体34具有沿轴向延伸的内壁34a，沿轴向延伸的外壁34b，以及在径向上连接所述内壁34a和所述外壁34b的下端板34c，所述外壁34b位于所述内壁34a的径向内侧。
如图4所示，主体34的内壁34a可以具有一个或多个入口341，主体34的外壁34b可以具有一个或多个出口342，入口341和出口342之间设置有该处理介质33。由此，从入口13进入壳体的液体可以流经支撑棒22和内壁34a径向之间的空隙，并从内壁34a的入口341沿径向流动到出口342。其中，液体在从入口341流动到出口342的过程中，被处理介质33所过滤。
如图4所示，主体34与反渗透膜单元20的支撑管22之间设置有第一密封环31，盖35与壳体10的盖体11之间设置有第二密封环32。其中，第二密封环32可以位于盖35与盖体11之间，第二密封环32用于避免未经过滤的液体与过滤后的液体混合。
图5是液体处理装置的另一个示意图。图5与图4的区别在于，过滤器30的入口和出口的设置不同于图4，由此，液体在过滤器30中的流动路径不同。
如图5所示，盖35具有入口351，主体34的下端板34c具有出口342a，入口351和出口342a之间设置有处理介质33，进入过滤器30的液体从入口351沿轴向流动到出口342a。
在图5中，第二密封环可以如标记36所示，该第二密封环36在轴向上位于盖35与盖体11之间，并且，径向上，该第二密封环36位于入口351的径向外侧，由此，引导未经过滤的液体从入口351进入该过滤器30，并且，避免未经过滤的液体与过滤后的液体混合。
图6是液体处理装置的又一个示意图，图7是与图6对应的过滤器30的一个爆炸图。图6与图4的区别在于，过滤器30的结构不同于图4，由此，液体在过滤器30中的流动路径不同。
如图6和图7所示，过滤器30具有：主体34，盖35，处理介质33(图7未示出)，以及分配器(distributor)37。其中，分配器37位于主体34和盖35围合的空间中，用于对处理介质33进行分配。
如图6和图7所示，分配器37可以具有下部指(finger)41、侧部指(finger)39和开口(slot opening)40，液体从下部指41之间的间隙流到径向外侧，并经过侧部指39之间的间隙或开口40，进而从盖35的出口42流出过滤器30，并流向反渗透膜单元20的液体入口21。
如图6的a所示，主体34和盖35围合的空间中，处理介质33可以不填满该空间，由此，当液体未进入过滤器30时，在该空间的径向外侧，形成有未被处理介质33填满的空间39。
如图6的b所示，当液体沿路径A流经支撑棒22和分配器37径向之间的空隙，并进入到上述围合的空间中时，会对处理介质33造成冲击，由于处理介质33在该空间中并没有填满，因此处理介质在该空间中的运动幅度较大；处理介质33被冲击以 达到被清洗的作用，由此，能够提高处理介质33的过滤处理能力。
在图6的b中，一部分液体从流路C流动，另一部分液体从流路B流动，被过滤处理后的液体经由流路D，从盖35的出口42流出过滤器30，并通过入口21进入反渗透膜24。
图8(a)和图8(b)是本申请实施例的液体处理装置的另两个示意图。图8(a)和图8(b)的液体处理装置与图6类似，区别在于，在图6中，第一出口15和第二出口14与入口13被设置在壳体10的轴向两端，而在图8(a)和图8(b)的液体处理装置中，第一出口15a和第二出口14a也被设置于盖体11，即，第一出口15a和第二出口14a与入口13被设置在壳体10的轴向的同一端。此外，图8(a)和图8(b)的反渗透膜单元20不具有密封部件25。
在图8(a)和图8(b)中，第一出口15a用于使反渗透处理后的净化液体流出壳体10，第二出口14a用于使反渗透处理产生的废弃液体流出壳体10。
图8(a)和图8(b)是两种实施方式。在图8(a)中，入口21位于反渗透膜单元20的靠近盖体11的一端，并且，在反渗透膜单元20的远离盖体11的另一端，设置有封盖29。在图8(b)中，入口21位于反渗透膜单元20的远离盖体11的一端，并且，在反渗透膜单元20的靠近盖体11的另一端，设置有封盖29。
根据本申请，通过在液体处理装置的盖体和支撑棒之间的空间内设置过滤器，能够对进入反渗透膜的液体进行预先处理，并且，能够节省空间，安装方便，成本较低。
以上结合具体的实施方式对本申请进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本申请保护范围的限制。本领域技术人员可以根据本申请的精神和原理对本申请做出各种变型和修改，这些变型和修改也在本申请的范围内。

Claims (11)

  1. 一种液体处理装置,该液体处理装置包括:
    壳体(10),其具有外壳主体(16)和盖体(11),其中,所述外壳主体(16)在长度方向的一端开口,另一端封闭,所述盖体(11)与所述外壳主体(16)的所述一端配合,用于封闭所述一端，所述盖体(11)设置有供液体流入所述盖体(11)的入口(13)；
    反渗透膜单元(20),其位于由所述外壳主体(16)和所述盖体(11)围合成的容纳空间内,所述反渗透膜单元(20)具有:对液体进行反渗透处理的反渗透膜(24),收集反渗透处理后的净化液体的集液管(27),以及支撑所述反渗透膜(24)的支撑棒(22),其中,所述反渗透膜(24)在长度方向的一端具有液体入口(21)；以及
    过滤器(30)，其被设置于所述盖体(11)内，位于所述液体入口(21)和所述入口(13)之间，用于对经由所述入口(13)进入所述盖体(11)的液体进行过滤处理，过滤处理后的液体经由所述液体入口进入所述反渗透膜(24)。
  2. 如权利要求1所述的液体处理装置，其中，
    所述外壳主体(16)的所述另一端设置有第一出口(15)和第二出口(14)，
    所述第一出口(15)与所述集液管(27)连通，用于使反渗透处理后的净化液体流出所述壳体(10)，
    所述第二出口(14)与所述反渗透膜(24)的液体出口(24a)连通，用于使反渗透处理产生的废弃液体流出所述壳体(10)。
  3. 如权利要求1所述的液体处理装置，其中，
    所述壳体(10)的所述另一端设置有用于容纳所述集液管(27)的凹部(16a)，所述集液管27的外壁与所述凹部(16a)的内壁之间设置有密封环(26)，
    所述反渗透膜(24)的外周与所述壳体(10)的内壁之间设置有密封部件(25)。
  4. 如权利要求1所述的液体处理装置，其中，
    所述过滤器(30)包括主体(34)、盖(35)和处理介质(33)，其中，处理介质(33)位于主体(34)和盖(35)围合成的空间中。
  5. 如权利要求4所述的液体处理装置，其中，
    所述主体(34)与所述反渗透膜单元(20)的所述支撑管(22)之间设置有第一密封环(31)，所述盖(35)与所述壳体(10)的所述盖体(11)之间设置有第二密封环(32或 36)。
  6. 如权利要求5所述的液体处理装置，其中，
    所述主体(34)具有延轴向延伸的内壁(34a)，延轴向延伸的外壁(34b)，以及在径向上连接所述内壁(34a)和所述外壁(34b)的下端板(34c)，所述外壁(34b)位于所述内壁(34a)的径向内侧。
  7. 如权利要求6所述的液体处理装置，其中，
    所述主体(34)的所述内壁(34a)具有入口(341)，主体(34)的所述外壁(34b)具有出口(342)，所述入口(341)和所述出口(342)之间设置有所述处理介质(33)，进入所述过滤器(30)的液体从所述入口(341)沿径向流动到所述出口(342)。
  8. 如权利要求6所述的液体处理装置，其中，
    所述盖(35)具有入口(351)，所述主体(34)的所述下端板(34c)具有出口(342a)，所述入口(351)和所述出口(342a)之间设置有所述处理介质(33)，进入所述过滤器(30)的液体从所述入口(351)沿轴向流动到所述出口(342a)。
  9. 如权利要求8所述的液体处理装置，其中，
    所述第二密封环(36位于所述入口(351)的径向外侧。
  10. 如权利要求5所述的液体处理装置，其中，
    过滤器(30还具有分配器(distributor)(37)，其中，所述分配器(37)位于所述主体(34)和所述盖(35)围合的空间中，所述分配器(37)具有下部指(finger)(41)、侧部指(finger)(39)和开口(slot opening)(40)，液体从下部指(41)之间的间隙流到径向外侧，并经过侧部指39)之间的间隙或开口(40)，进而从盖(35)的出口(42)流出过滤器(30)，并流向反渗透膜单元(20)的液体入口(21)。
  11. 如权利要求1所述的液体处理装置，其中，
    所述盖体(11)设置有第一出口(15a)和第二出口(14a)，
    所述第一出口(15a)用于使反渗透处理后的净化液体流出所述壳体(10)，
    所述第二出口(14a)用于使反渗透处理产生的废弃液体流出所述壳体(10)。
PCT/CN2018/118538 2018-11-30 2018-11-30 液体处理装置 WO2020107398A1 (zh)

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