CN114890561B - Pure water equipment - Google Patents

Pure water equipment Download PDF

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Publication number
CN114890561B
CN114890561B CN202210443808.1A CN202210443808A CN114890561B CN 114890561 B CN114890561 B CN 114890561B CN 202210443808 A CN202210443808 A CN 202210443808A CN 114890561 B CN114890561 B CN 114890561B
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filter
water
reverse osmosis
valve
sand
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CN114890561A (en
Inventor
谢晓建
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Dongguan Qian Yi Hong Water Treatment Equipment Co ltd
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Dongguan Qian Yi Hong Water Treatment Equipment Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

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

Abstract

The invention relates to pure water equipment, which comprises a sand filter, a carbon filter membrane filter, a reverse osmosis filter, a multi-way valve and a water pipe, wherein the sand filter is provided with the multi-way valve, raw water enters the sand filter through the multi-way valve, the sand filter carries out primary filtration on the raw water to obtain primary filtration water, the sand filter carries out secondary filtration on the primary filtration water to obtain secondary filtration water through the water pipe, the carbon filter membrane filter carries out secondary filtration water to the reverse osmosis filter through the water pipe, the reverse osmosis filter carries out tertiary filtration on the secondary filtration water to obtain pure water and concentrated water, the raw water can be driven to be filtered by the sand filter, the carbon filter membrane filter and the reverse osmosis filter sequentially by using a water pump as a power source to obtain pure water, the filtering and purifying effects are good, the concentrated water discharged by the reverse osmosis filter flows back to the sand filter for backwashing, the environment protection and water resource saving, all parts are communicated through the water pipe, and the volume is small, and the manufacturing cost is saved.

Description

Pure water equipment
Technical Field
The invention relates to the field of water treatment, in particular to pure water equipment.
Background
The pure water equipment adopts pretreatment, reverse osmosis technology, ultra-purification treatment, post-treatment and other methods to almost completely remove the conductive medium in the water and remove the undissociated colloid substances, gases and organic matters in the water to a very low degree. The existing pure water equipment has the defects that the filtering effect is to be enhanced, the volume is large, the occupied space is large, a plurality of water pumps are needed to be arranged, the manufacturing cost is high, the electric energy is wasted, in addition, the concentrated water obtained by the existing pure water equipment is directly discharged, the concentrated water is not effectively utilized, and the water resource is wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention solves the problem of providing the pure water equipment with good filtering effect and reasonable structural design, and the specific technical scheme is as follows:
the utility model provides a pure water equipment, including sand filter, carbon filter membrane filter, reverse osmosis filter, multiple unit valve and water pipe, sand filter installs the multiple unit valve, the raw water gets into sand filter through the multiple unit valve, the quartz sand is equipped with to sand filter inside, sand filter carries primary filtration water to carbon filter membrane filter to raw water through the water pipe, carbon filter membrane filter is equipped with the carbon filter membrane inside, carbon filter membrane filter carries out secondary filtration to primary filtration water and obtains secondary filtration water, carbon filter membrane filter carries secondary filtration water to reverse osmosis filter through the water pipe, reverse osmosis filter is equipped with reverse osmosis membrane inside, reverse osmosis filter carries out tertiary filtration to secondary filtration water and obtains pure water and dense water, dense water is back flow to sand filter through the multiple unit valve through the water pipe and is backwashed.
As a preferable scheme of the invention, the sand filter, the carbon filter membrane filter and the reverse osmosis filter are respectively provided with a plurality of sand filters, the sand filters are switched to a filtering state or a backwashing state by converting internal channels through a multi-way valve, the carbon filter membrane filter is provided with a carbon filter water inlet and a carbon filter water outlet, an upper reverse osmosis side water outlet and an upper reverse osmosis center water outlet are arranged above the reverse osmosis filter, and a lower reverse osmosis side water outlet and a lower reverse osmosis center water outlet are arranged below the reverse osmosis filter.
As a preferable scheme of the invention, a multi-way valve is arranged above and below each sand filter, the upper multi-way valve is provided with an upper water inlet, an upper water outlet and an upper cleaning port, the upper water inlet and the upper water outlet are normally communicated through internal channels of the multi-way valve, and the lower multi-way valve is provided with a lower water inlet, a lower water outlet and a lower cleaning port, and the lower water inlet and the lower water outlet are normally communicated through internal channels of the multi-way valve.
As a preferable scheme of the invention, 3 carbon filter membrane filters are provided, 4 reverse osmosis filter filters are provided, raw water enters from an upper water inlet of a first sand filter through a water pump, an upper water outlet of the first sand filter is communicated with an upper water inlet of a second sand filter through a water pipe, an upper water outlet of the second sand filter is communicated with an upper water inlet of a third sand filter through a water pipe, an upper water outlet of the third sand filter is closed and blocked, a lower water inlet of the first sand filter is closed and blocked, a lower water outlet of the first sand filter is communicated with a lower water inlet of the second sand filter through a water pipe, a lower water outlet of the second sand filter is communicated with a lower water inlet of the third sand filter, a lower water outlet of the third sand filter is communicated with a carbon filter water inlet of the first carbon filter, a carbon filter water inlet of the second carbon filter and a carbon filter inlet of the third carbon filter through a water pipe, the carbon filtering water gap of the first carbon filter membrane filter, the carbon filtering water gap of the second carbon filter membrane filter and the carbon filtering water gap of the third carbon filter membrane filter are communicated with the upper reverse osmosis side water gap of the first reverse osmosis filter through a water pipe, the lower reverse osmosis side water gap of the first reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the second reverse osmosis filter through a water pipe, the upper reverse osmosis side water gap of the second reverse osmosis filter is communicated with the upper reverse osmosis side water gap of the third reverse osmosis filter through a water pipe, the lower reverse osmosis side water gap of the third reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the fourth reverse osmosis filter through a water pipe, the upper reverse osmosis side water gap of the fourth reverse osmosis filter is communicated with the lower cleaning port of the first sand filter through a water pipe, A lower cleaning port of the second sand filter and a lower cleaning port of the third sand filter.
As a preferable scheme of the invention, 2 sand filters are provided, 2 carbon filter membrane filters are provided, 3 reverse osmosis filters are provided, raw water is driven by a water pump to enter from an upper water inlet of a first sand filter, an upper water outlet of the first sand filter is communicated with an upper water inlet of a second sand filter through a water pipe, an upper water outlet of the second sand filter is closed and plugged, a lower water inlet of the first sand filter is closed and plugged, a lower water outlet of the first sand filter is communicated with a lower water inlet of the second sand filter through a water pipe, a lower water outlet of the second sand filter is communicated with a carbon filter water inlet of the first carbon filter membrane filter and a carbon filter water inlet of the second carbon filter membrane filter through a water pipe, a carbon filter water inlet of the first carbon filter membrane filter and a carbon filter water inlet of the second carbon filter membrane filter are communicated with an upper reverse osmosis side water inlet of the first reverse osmosis filter through a water pipe, a lower reverse osmosis side water inlet of the first reverse osmosis filter is communicated with a lower reverse osmosis side water inlet of the second reverse osmosis filter through a water pipe, an upper reverse osmosis side water inlet of the second reverse osmosis filter is communicated with a lower water inlet of the third reverse osmosis filter, and a lower water inlet of the second reverse osmosis filter is communicated with a cleaning water inlet of the second reverse osmosis filter.
As a preferred scheme of the invention, 4 carbon filter membrane filters are arranged, 4 reverse osmosis filters are arranged, raw water enters from an upper water inlet of a first sand filter through a water pump, an upper water outlet of the first sand filter is communicated with an upper water inlet of a second sand filter through a water pipe, an upper water outlet of the second sand filter is communicated with an upper water inlet of a third sand filter through a water pipe, an upper water outlet of the third sand filter is closed and plugged, a lower water inlet of the first sand filter is closed and plugged, a lower water outlet of the first sand filter is communicated with a lower water inlet of a second sand filter through a water pipe, a lower water outlet of the second sand filter is communicated with a lower water inlet of the third sand filter, a lower water outlet of the third sand filter is communicated with a lower water inlet of a fourth sand filter through a water pipe, a lower water inlet of the fourth sand filter is communicated with a carbon filter inlet of the first carbon filter, a carbon filter inlet of the third carbon filter is communicated with a carbon filter inlet of the second carbon filter, a carbon filter side of the fourth carbon filter is communicated with a carbon filter of the first reverse osmosis filter, a carbon filter side of the first reverse osmosis filter is communicated with a carbon filter of the second reverse osmosis side of the first reverse osmosis filter, the upper reverse osmosis side water gap of the second reverse osmosis filter is communicated with the upper reverse osmosis side water gap of the third reverse osmosis filter through a water pipe, the lower reverse osmosis side water gap of the third reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the fourth reverse osmosis filter through a water pipe, and the upper reverse osmosis side water gap of the fourth reverse osmosis filter is communicated with the lower cleaning port of the first sand filter, the lower cleaning port of the second sand filter, the lower cleaning port of the third sand filter and the lower cleaning port of the fourth sand filter through water pipes.
As a preferable scheme of the invention, the multi-way valve comprises a valve body, a valve cover, a motor, a valve rod and a valve core, wherein the valve cover is arranged above the valve body, an outer valve cavity and an inner valve cavity are arranged in the valve cover, the motor drives the valve rod to rotate, the valve rod penetrates through the valve cover and stretches into the valve body to be connected with the valve core, the outer valve cavity is communicated with the inner valve cavity, and the valve core controls whether the inner valve cavity is communicated with the inside of the filter main body or not.
As a preferred scheme of the invention, the valve core comprises a valve block and a valve table, the valve block is fixedly arranged between the valve body and a valve cover, the valve block is provided with two valve block openings and two valve block closed openings, the valve block openings and the valve block closed openings are circumferentially arranged around a valve block central shaft, the two valve block openings are oppositely arranged, the valve rod drives the valve table to rotate, the valve table is provided with one valve table opening and three valve table closed openings, the interior of the valve cover is also provided with a cleaning chamber, and the two valve block openings are respectively aligned with the cleaning chamber and the inner valve cavity.
As a preferable scheme of the invention, the sand filter is internally provided with two layers of quartz sand, the upper layer of quartz sand has large particle size, and the lower layer of quartz sand has small particle size.
As a preferable scheme of the invention, an induction probe is arranged in the water pipe, and the induction probe detects water pressure and water quality.
The invention has the beneficial effects that: the water pump is used as a power source to drive raw water to be filtered by the sand filter, the carbon filter membrane filter and the reverse osmosis filter in sequence to obtain pure water, the filtering and purifying effects are good, and concentrated water discharged by the reverse osmosis filter flows back to the sand filter for backwashing, so that the water pump is environment-friendly and saves water resources, and all the components are communicated through the water pipe, so that the water pump is small in volume and saves manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the water flow direction during normal filtration operation according to a first embodiment of the present invention;
FIG. 3 is a schematic view of water flow during backwash operation according to the first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention;
fig. 5 is a schematic structural view of a third embodiment of the present invention;
fig. 6 is a perspective view of a first embodiment of the present invention;
FIG. 7 is a perspective view of a sand filter of the present invention;
FIG. 8 is a perspective view of a reverse osmosis filter of the present invention;
FIG. 9 is an exploded view of the sand filter of the present invention;
FIG. 10 is a perspective view of a multiway valve of the present invention;
FIG. 11 is an exploded view of the multiple-way valve of the present invention;
FIG. 12 is a perspective view of the valve cover of the present invention;
fig. 13 is a perspective view of the valve element of the present invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1 to 8, a pure water apparatus comprises a sand filter 1, a carbon filter membrane filter 2, a reverse osmosis filter 3, a multi-way valve 4 and a water pipe, wherein the sand filter 1 is provided with the multi-way valve 4, a water pump drives raw water to enter the sand filter 1 through the multi-way valve 4, quartz sand is filled in the sand filter 1, the sand filter 1 filters the raw water once to obtain primary filtered water, the sand filter 1 conveys the primary filtered water to the carbon filter membrane filter 2 through the water pipe, the carbon filter membrane filter 2 filters the primary filtered water twice to obtain secondary filtered water, the carbon filter membrane filter 2 conveys the secondary filtered water to the reverse osmosis filter 3 through the water pipe, the reverse osmosis filter 3 filters the secondary filtered water three times to obtain pure water and concentrated water, and the concentrated water flows back to the sand filter 1 through the multi-way valve through the water pipe for backwashing, so that water resources are effectively saved.
Specifically, the sand filter 1, the carbon filter membrane 2 and the reverse osmosis filter 3 are respectively provided with a plurality of sand filters 1, the sand filters 1 are switched to a filtering state or a backwashing state by converting internal channels through a multi-way valve 4, the carbon filter membrane filters 2 are provided with a carbon filter water inlet 21 and a carbon filter water outlet 22, an upper reverse osmosis side water outlet 31 and an upper reverse osmosis center water outlet 32 are arranged above the reverse osmosis filters 3, a lower reverse osmosis side water outlet 33 and a lower reverse osmosis center water outlet 34 are arranged below the reverse osmosis filters 3, the reverse osmosis membrane is a known technology, the reverse osmosis membrane is a membrane separation operation for separating solvent from solution by taking pressure difference as driving force, the low pressure side obtains pure water from a high pressure side to obtain concentrated water, the upper reverse osmosis side water outlet 31 and the lower reverse osmosis side water outlet 33 are communicated with the high pressure side to be used for conveying the concentrated water, and the upper reverse osmosis center water outlet 32 and the lower reverse osmosis center water outlet 34 are communicated with the low pressure side to be used for conveying the pure water. The upper and lower parts of each sand filter 1 are provided with a multi-way valve 4, the structures of the multi-way valves 4 at the upper and lower parts are identical and are mirror symmetry only because of installation, the upper multi-way valve 4 is provided with an upper water inlet 41, an upper water outlet 42 and an upper cleaning port 43, the upper water inlet 41 and the upper water outlet 42 are communicated normally through internal channels of the multi-way valve, raw water flows through the upper water inlet 41 and the upper water outlet 42, the lower multi-way valve 4 is provided with a lower water inlet 44, a lower water outlet 45 and a lower cleaning port 46, the lower water inlet 44 and the lower water outlet 45 are communicated normally through internal channels of the multi-way valve, and water filtered by quartz sand flows through the lower water inlet 44 and the lower water outlet 45.
Pure water equipment embodiment one: as shown in fig. 1, 3 sand filters 1 are provided, 3 carbon filter membrane filters 2 are provided, 4 reverse osmosis filters 3 are provided, raw water is driven by a water pump to enter from an upper water inlet 41 of a first sand filter 1, an upper water outlet 42 of the first sand filter 1 is communicated with an upper water inlet 41 of a second sand filter 1 through a water pipe, the upper water outlet 42 of the second sand filter 1 is communicated with an upper water inlet 41 of a third sand filter 1 through a water pipe, an upper water outlet 42 of the third sand filter 1 is closed and plugged, a lower water inlet 44 of the first sand filter 1 is closed and plugged, a lower water outlet 45 of the first sand filter 1 is communicated with a lower water inlet 44 of the second sand filter 1 through a water pipe, a lower water outlet 45 of the second sand filter 1 is communicated with a lower water inlet 44 of the third sand filter 1 through a water pipe, a lower water outlet 45 of the third sand filter 1 is communicated with a carbon filter inlet 21 of the first carbon filter membrane filter 2, a carbon filter inlet 21 of the second carbon filter 2, a carbon filter inlet 21 of the third carbon filter 2 is communicated with a carbon filter inlet 21 of the third carbon filter 2 through a water pipe, a lower water inlet 33 of the first reverse osmosis filter 3 is communicated with a lower water inlet 33 of the reverse osmosis filter 3 on the reverse osmosis filter 3 side of the reverse osmosis filter 3 through a lower water inlet 33 of the first reverse osmosis filter 3, and the reverse osmosis filter 3 is communicated with a lower water inlet 33 on the reverse osmosis filter 3 side of the reverse osmosis filter 3 through the reverse osmosis filter 3, the upper reverse osmosis side water gap 31 of the fourth reverse osmosis filter 3 is communicated with the lower cleaning opening 46 of the first sand filter 1, the lower cleaning opening 46 of the second sand filter and the lower cleaning opening 46 of the third sand filter through water pipes.
The water purification equipment embodiment adopts the working principle that: as shown in fig. 2, when the pure water apparatus starts to perform normal filtration, raw water enters from the upper water inlet 41 of the first sand filter 1 through the water pump, since the upper water inlet 41 is always communicated with the upper water outlet 42, the raw water reaches the upper water inlet 41 of the second sand filter 1 from the upper water outlet 42 of the first sand filter 1 through the water pipe, reaches the upper water inlet 41 of the third sand filter 1 from the upper water outlet 42 of the second sand filter 1 through the water pipe, and enters the inside of the sand filter 1 to be filtered by quartz sand after entering the upper multi-way valve 4 (the upper cleaning port 43 and the lower cleaning port 46 are not communicated with the quartz sand chamber), filtered primary filtered water is discharged from the lower water outlet 45 and finally transported to the carbon filter water inlets 21 of the 3 carbon filter filters 2 through the communication of the plurality of water pipes, the carbon filter membrane filter 2 carries out secondary filtration on the primary filtered water to obtain secondary filtered water which is discharged from the carbon filter water outlet 22, the secondary filtered water purified by the 3 carbon filter membrane filters 2 is finally conveyed to the upper reverse osmosis side water outlet 31 of the first reverse osmosis filter 3 through a plurality of water pipes, the secondary filtered water is purified and enters the first reverse osmosis filter 3, the first reverse osmosis filter 3 purifies the secondary filtered water to obtain pure water and concentrated water, the concentrated water is discharged from the lower reverse osmosis side water outlet 33 of the first reverse osmosis filter 3 and is conveyed to the lower reverse osmosis side water outlet 33 of the second reverse osmosis filter 3 through a water pipe, the second reverse osmosis filter 3 purifies again to obtain pure water and concentrated water, the concentrated water is discharged from the upper reverse osmosis side water outlet 31 of the second reverse osmosis filter 3 and is conveyed to the upper reverse osmosis side water outlet 31 of the third reverse osmosis filter 3 through a water pipe, the third reverse osmosis filter 3 purifies again to obtain pure water and concentrated water, the concentrated water is discharged from the lower reverse osmosis side water gap 33 of the third reverse osmosis filter 3 and is conveyed to the lower reverse osmosis side water gap 33 of the fourth reverse osmosis filter 3 through a water pipe, the fourth reverse osmosis filter 3 purifies again to obtain pure water and concentrated water, the upper reverse osmosis center water gap 32 of all the reverse osmosis filters is closed and blocked in the process, and pure water is discharged from the lower reverse osmosis center water gap 34 for users. When the first sand filter 1 needs to be backwashed after a period of use, as shown in fig. 3, the concentrated water discharged from the upper reverse osmosis side water gap 31 of the fourth reverse osmosis filter 3 is conveyed to the lower cleaning opening 46 of the first sand filter 1 through a water pipe, the multi-way valve 4 switches the internal channels to enable the upper cleaning opening 43 and the lower cleaning opening 46 to be communicated with the quartz sand chamber (at this time, the upper water inlet 41, the upper water outlet 42, the lower water inlet 44 and the lower water outlet 45 of the first sand filter 1 are not communicated with the quartz sand chamber any more), and the concentrated water is backwashed from bottom to top and finally discharged from the upper cleaning opening 43.
And a pure water device embodiment II: as shown in fig. 4, 2 sand filters 1 are provided, 2 carbon filter membrane filters 2 are provided, 4 carbon filter membrane filters 3 are provided, raw water enters from an upper water inlet 41 of a first sand filter 1 through a water pump, an upper water outlet 42 of the first sand filter 1 is communicated with an upper water inlet 41 of a second sand filter 1 through a water pipe, an upper water outlet 42 of the second sand filter 1 is closed and plugged, a lower water inlet 44 of the first sand filter 1 is closed and plugged, a lower water outlet 45 of the first sand filter 1 is communicated with a lower water inlet 44 of the second sand filter 1 through a water pipe, a lower water outlet 45 of the second sand filter 1 is communicated with a carbon filter water inlet 21 of the first carbon filter membrane filter 2 through a water pipe, a carbon filter water inlet 22 of the second carbon filter membrane filter 2 is communicated with an upper reverse osmosis side water inlet 31 of the first reverse osmosis filter 3 through a water pipe, a lower reverse osmosis side 33 of the first reverse osmosis filter 3 is communicated with a lower reverse osmosis side 33 of the second reverse osmosis filter 3 through a water pipe, a lower reverse osmosis side 31 of the second reverse osmosis filter 3 is communicated with a lower reverse osmosis side 31 of the second reverse osmosis filter 3 through a water pipe, and a cleaning mode is implemented similar to the mode of implementing the reverse osmosis mode that the reverse osmosis filter is implemented by the lower reverse osmosis filter 3 is communicated with the lower water inlet 31 of the second reverse osmosis filter 3.
And a pure water device embodiment III: as shown in fig. 5, 4 sand filters 1 are provided, 4 carbon filter membrane filters 2 are provided, 4 reverse osmosis filters 3 are provided, raw water is driven to enter from an upper water inlet 41 of a first sand filter 1 by a water pump, an upper water outlet 42 of the first sand filter 1 is communicated with an upper water inlet 41 of a second sand filter 1 by a water pipe, an upper water outlet 42 of the second sand filter 1 is communicated with an upper water inlet 41 of a third sand filter 1 by a water pipe, an upper water outlet 42 of the third sand filter 1 is communicated with an upper water inlet 41 of a fourth sand filter 1 by a water pipe, an upper water outlet 42 of the fourth sand filter 1 is closed, a lower water inlet 44 of the first sand filter 1 is closed, a lower water outlet 45 of the first sand filter 1 is communicated with a lower water inlet 44 of a second sand filter 1 by a water pipe, a lower water outlet 45 of the second sand filter 1 is communicated with a lower water inlet 44 of a third sand filter 1, a lower water outlet 45 of the fourth sand filter 1 is communicated with a water inlet 22 of a carbon filter membrane 2 by a water pipe, a carbon filter 2 of the first carbon filter 2, a carbon filter 2 of the carbon filter 2 is filtered out of the carbon filter 2, a carbon filter 2 of the carbon filter 2 is filtered out of the carbon filter 2 is filtered from the carbon filter 2 by the carbon filter 2, the lower reverse osmosis side water gap 33 of the first reverse osmosis filter 3 is communicated with the lower reverse osmosis side water gap 33 of the second reverse osmosis filter 3 through a water pipe, the upper reverse osmosis side water gap 31 of the second reverse osmosis filter 3 is communicated with the upper reverse osmosis side water gap 31 of the third reverse osmosis filter 3 through a water pipe, the lower reverse osmosis side water gap 33 of the third reverse osmosis filter 3 is communicated with the lower reverse osmosis side water gap 33 of the fourth reverse osmosis filter 3 through a water pipe, the upper reverse osmosis side water gap 31 of the fourth reverse osmosis filter 3 is communicated with the lower cleaning port 46 of the first sand filter 1, the lower cleaning port 46 of the second sand filter 1, the lower cleaning port 46 of the third sand filter 1 and the lower cleaning port 46 of the fourth sand filter 1 through water pipes, and the working principle of the third embodiment is similar to that of the first embodiment, and will not be described.
As shown in fig. 9 to 13, the structure of the multiplex valve 4 installed above and below each sand filter 1 is the same, but the upper and lower multiplex valves 4 are mirror-symmetrical to each other due to the installation position relationship, the multiplex valve 4 above is taken as an example to specifically describe the structure of the multiplex valve, the multiplex valve 4 comprises a valve body 47, a valve cover 48, a motor (not shown), a valve rod 49 and a valve core, the valve cover 48 is installed above the valve body 47, an outer valve cavity 410 and an inner valve cavity 411 are arranged inside the valve cover 48, an upper water inlet 41, an upper water outlet 42 and an upper cleaning port 43 are arranged outside the valve cover 48 (similarly, a lower water inlet 44, a lower water outlet 45 and a lower cleaning port 46 are arranged outside the valve cover 48 of the multiplex valve 4 below), the upper water inlet 41 and the upper water outlet 42 are normally communicated through the outer valve cavity 410, the motor (not shown) drives the valve rod 49 to rotate, the valve rod 49 extends into the valve body 47 through the valve cover 48 to be connected with the inner valve cavity 411, and the valve core is connected with the inner valve cavity 410, and the inner valve cavity is controlled to be connected with the inside of the filter body. Specifically, the valve core includes a valve block 412 and a valve table 413, the valve block 412 is fixedly installed between the valve body 17 and the valve cover 48, the valve block 412 is provided with two valve block openings 412a and two valve block closed openings 412b, the valve block openings 412a and the valve block closed openings 412b are circumferentially arranged around a valve block central axis, the two valve block openings 412a are oppositely arranged, the valve block openings 412a and the valve block closed openings 412b are arc-shaped with the same shape, the valve rod 49 drives the valve table 413 to rotate, the valve table 413 is provided with a valve table opening 413a and three valve table closed openings 413b, a cleaning chamber 414 is further arranged in the valve cover 48, the cleaning chamber 414 is communicated with the upper cleaning opening 43, the valve table opening 413a and the valve table closed openings 413b are arc-shaped with the same shape, openings corresponding to the valve table opening 413a are also arranged at the bottom of the valve body 47, and the two valve block openings 412a are respectively aligned with the cleaning chamber 414 and the inner valve chamber 411.
The working principle of the multiway valve 4 is as follows: when the sand filter 1 filters, the valve table opening 413a is aligned with the valve plate opening 412a positioned below the inner valve cavity 411, raw water enters the outer valve cavity 410 from the upper water inlet 41 and then flows to the next sand filter 1 from the upper water outlet 42, meanwhile, as the outer valve cavity 410 is communicated with the inner valve cavity 411, raw water enters the sand filter through the valve table opening 413a, after the raw water is filtered by quartz sand, as the upper valve cavity 411 and the lower valve cavity 411 of the lower multi-way valve 4 are in mirror symmetry, the filtered water enters the lower outer valve cavity 410 from the lower water outlet 45; when the back washing clean sand filter 1 is needed, the motor drives the valve table to rotate through the valve rod, the valve table opening 413a is aligned with the valve plate opening 412a positioned below the clean chamber 414, the back washing water enters the clean chamber 414 from the lower cleaning port 46, the back washing water enters the clean chamber 414 above when reaching the upper multi-way valve 4, and then is discharged from the upper cleaning port 43, so that the internal channel is switched to meet the requirements of normal filtration and back washing.
Specifically, two layers of quartz sand are arranged in the sand filter 1, the grain size of the upper layer of quartz sand is large, the grain size of the lower layer of quartz sand is small, raw water is filtered through the quartz sand with the large grain size before the raw water reaches the lower layer of quartz sand with the small grain size for filtering, and the filtering effect is good. In addition, the water pipe is internally provided with the induction probe, and the induction probe detects water pressure and water quality, so that the user can conveniently monitor the running condition of the equipment.
While the invention has been described in detail in connection with specific preferred embodiments, it is not to be construed as limited to the specific embodiments of the invention, but rather as a matter of course, it will be understood by those skilled in the art that various modifications and substitutions can be made without departing from the spirit and scope of the invention.

Claims (8)

1. A pure water apparatus, characterized in that: the device comprises a sand filter, a carbon filter membrane filter, a reverse osmosis filter, a multi-way valve and a water pipe, wherein the multi-way valve is arranged above and below the sand filter, raw water enters the sand filter through the multi-way valve, quartz sand is arranged in the sand filter, the sand filter performs primary filtration on the raw water to obtain primary filtered water, the sand filter conveys the primary filtered water to the carbon filter membrane filter through the water pipe, the carbon filter membrane filter performs secondary filtration on the primary filtered water to obtain secondary filtered water, the carbon filter membrane filter conveys the secondary filtered water to the reverse osmosis filter through the water pipe, the reverse osmosis filter performs tertiary filtration on the secondary filtered water to obtain pure water and concentrated water, and the concentrated water flows back to the sand filter through the multi-way valve for backwashing;
the upper multi-way valve is provided with an upper water inlet, an upper water outlet and an upper cleaning port, the upper water inlet and the upper water outlet are communicated through the internal channel of the multi-way valve, and the lower multi-way valve is provided with a lower water inlet, a lower water outlet and a lower cleaning port, and the lower water inlet and the lower water outlet are communicated through the internal channel of the multi-way valve;
the multi-way valve comprises a valve body, a valve cover, a motor, a valve rod and a valve core, wherein the valve cover is arranged above the valve body, and an outer valve cavity and an inner valve cavity are arranged in the valve cover; the motor drives the valve rod to rotate, the valve rod penetrates through the valve cover and stretches into the valve body to be connected with the valve core, the outer valve cavity is communicated with the inner valve cavity, and the valve core controls whether the inner valve cavity is communicated with the inside of the filter main body or not;
when the sand filter filters, the valve table opening is aligned with the valve plate opening below the inner valve cavity, raw water enters the outer valve cavity from the upper water inlet and then flows to the lower sand filter from the upper water outlet, meanwhile, as the outer valve cavity is communicated with the inner valve cavity, raw water enters the sand filter through the valve table opening, after the raw water is filtered by quartz sand, as the upper valve structure and the lower valve structure are in mirror symmetry at the same installation position, filtered water enters the lower outer valve cavity from the inner valve cavity of the lower multi-way valve, and is discharged from the lower water outlet; when the back washing clean sand filter is needed, the motor drives the valve table to rotate through the valve rod, the valve table opening is aligned with the valve plate opening positioned below the clean cavity, the back washing water enters the clean cavity from the lower cleaning opening, the back washing water enters the clean cavity above the back washing water when reaching the multi-way valve above from the lower cleaning opening, and then the back washing water is discharged from the upper cleaning opening, so that the internal channel is switched to meet the requirements of normal filtration and back washing.
2. A water purification apparatus according to claim 1, wherein: the sand filter, the carbon filter membrane filter and the reverse osmosis filter are respectively multiple, the sand filter is switched to a filtering state or a backwashing state through a multi-way valve converting internal channel, the carbon filter membrane filter is provided with a carbon filter water inlet and a carbon filter water outlet, an upper reverse osmosis side water outlet and an upper reverse osmosis center water outlet are arranged above the reverse osmosis filter, and a lower reverse osmosis side water outlet and a lower reverse osmosis center water outlet are arranged below the reverse osmosis filter.
3. A water purification apparatus according to claim 2, wherein: the number of the sand filters is 3, the number of the carbon filter membrane filters is 3, the number of the reverse osmosis filters is 4, raw water enters from the upper water inlet of the first sand filter through the water pump, the upper water outlet of the first sand filter is communicated with the upper water inlet of the second sand filter through the water pipe, the upper water outlet of the second sand filter is communicated with the upper water inlet of the third sand filter through the water pipe, the upper water outlet of the third sand filter is closed and blocked, the lower water inlet of the first sand filter is closed and blocked, the lower water outlet of the first sand filter is communicated with the lower water inlet of the second sand filter through the water pipe, the lower water outlet of the second sand filter is communicated with the lower water inlet of the third sand filter, the lower water outlet of the third sand filter is communicated with the carbon filter water inlet of the first carbon filter, the carbon filter water inlet of the second carbon filter and the carbon filter water inlet of the third carbon filter through the water pipe, the carbon filtering water gap of the first carbon filter membrane filter, the carbon filtering water gap of the second carbon filter membrane filter and the carbon filtering water gap of the third carbon filter membrane filter are communicated with the upper reverse osmosis side water gap of the first reverse osmosis filter through a water pipe, the lower reverse osmosis side water gap of the first reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the second reverse osmosis filter through a water pipe, the upper reverse osmosis side water gap of the second reverse osmosis filter is communicated with the upper reverse osmosis side water gap of the third reverse osmosis filter through a water pipe, the lower reverse osmosis side water gap of the third reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the fourth reverse osmosis filter through a water pipe, the upper reverse osmosis side water gap of the fourth reverse osmosis filter is communicated with the lower cleaning port of the first sand filter, the lower cleaning port of the second sand filter, and the lower cleaning port of the third sand filter.
4. A water purification apparatus according to claim 2, wherein: the number of the sand filters is 2, the number of the carbon filter membrane filters is 2, raw water enters from the upper water inlet of the first sand filter through the driving of the water pump, the upper water outlet of the first sand filter is communicated with the upper water inlet of the second sand filter through the water pipe, the upper water outlet of the second sand filter is closed and plugged, the lower water inlet of the first sand filter is communicated with the lower water inlet of the second sand filter through the water pipe, the lower water outlet of the second sand filter is communicated with the carbon filter water inlet of the first carbon filter membrane filter and the carbon filter water inlet of the second carbon filter membrane filter through the water pipe, the carbon filter water inlet of the first carbon filter membrane filter and the carbon filter water inlet of the second carbon filter membrane filter are communicated with the upper reverse osmosis side water inlet of the first reverse osmosis filter through the water pipe, the lower reverse osmosis side water inlet of the first reverse osmosis filter is communicated with the lower reverse osmosis side water inlet of the second reverse osmosis filter through the water pipe, the upper reverse osmosis side water inlet of the second reverse osmosis filter is communicated with the upper reverse osmosis side water inlet of the third reverse osmosis filter through the water pipe, and the lower reverse osmosis side of the third reverse osmosis filter is communicated with the lower water inlet of the second reverse osmosis filter is communicated with the second water inlet of the second reverse osmosis filter.
5. A water purification apparatus according to claim 2, wherein: the number of the sand filters is 4, the number of the carbon filter membrane filters is 4, the number of the reverse osmosis filters is 4, raw water enters from the upper water inlet of the first sand filter through the driving of the water pump, the upper water outlet of the first sand filter is communicated with the upper water inlet of the second sand filter through the water pipe, the upper water outlet of the second sand filter is communicated with the upper water inlet of the third sand filter through the water pipe, the upper water outlet of the third sand filter is communicated with the upper water inlet of the fourth sand filter through the water pipe, the upper water outlet of the fourth sand filter is closed and blocked, the lower water outlet of the first sand filter is communicated with the lower water inlet of the second sand filter through the water pipe, the lower water outlet of the third sand filter is communicated with the lower water inlet of the fourth sand filter through the water pipe, the lower water outlet of the fourth sand filter is communicated with the carbon filter inlet of the first carbon filter, the carbon filter inlet of the carbon filter of the second carbon filter, the carbon filter of the third carbon filter is communicated with the carbon filter of the side of the fourth carbon filter, the carbon filter of the carbon filter is communicated with the side water inlet of the first reverse osmosis filter of the carbon filter is communicated with the side water inlet of the second reverse osmosis filter, the lower reverse osmosis side water gap of the third reverse osmosis filter is communicated with the lower reverse osmosis side water gap of the fourth reverse osmosis filter through a water pipe, and the upper reverse osmosis side water gap of the fourth reverse osmosis filter is communicated with the lower cleaning gap of the first sand filter, the lower cleaning gap of the second sand filter, the lower cleaning gap of the third sand filter and the lower cleaning gap of the fourth sand filter through water pipes.
6. The water purification apparatus of claim 5, wherein: the valve core comprises a valve block and a valve table, wherein the valve block is fixedly arranged between the valve body and a valve cover, the valve block is provided with two valve block openings and two valve block closed openings, the valve block openings and the valve block closed openings are circumferentially arranged around a valve block central shaft, the two valve block openings are oppositely arranged, the valve rod drives the valve table to rotate, the valve table is provided with one valve table opening and three valve table closed openings, a cleaning cavity is further arranged in the valve cover, and the two valve block openings are respectively aligned with the cleaning cavity and the inner valve cavity.
7. A water purification apparatus according to claim 1, wherein: two layers of quartz sand are arranged in the sand filter, the grain size of the upper layer of quartz sand is large, and the grain size of the lower layer of quartz sand is small.
8. A water purification apparatus according to claim 1, wherein: an induction probe is arranged in the water pipe and detects water pressure and water quality.
CN202210443808.1A 2022-04-25 2022-04-25 Pure water equipment Active CN114890561B (en)

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JPH09108665A (en) * 1995-10-16 1997-04-28 Takagi:Kk Faucet water purifying device
CN101851035A (en) * 2009-04-03 2010-10-06 杭州司迈特水处理工程有限公司 Automatic cleaning and water purifying device
CN201973290U (en) * 2010-12-12 2011-09-14 刘兰声 Multi-channel control valve in backflush type water purifying device
CN202132550U (en) * 2011-07-15 2012-02-01 干建荣 Multi-way valve
CN205965197U (en) * 2016-06-07 2017-02-22 温州市润新机械制造有限公司 But leading filter of back flush lamination formula
CN207158963U (en) * 2017-08-08 2018-03-30 成都蜀洋水处理设备有限公司 A kind of reverse osmose pure-water preparation system
CN214861732U (en) * 2020-10-12 2021-11-26 东莞市谦益宏水处理设备有限公司 Water treatment filtration system and cross valve thereof
CN215522071U (en) * 2020-11-05 2022-01-14 深圳市优福环保科技有限公司 Multi-way valve for realizing switching of working states of water purifier
CN114100230A (en) * 2021-10-25 2022-03-01 东莞市谦益宏水处理设备有限公司 Water treatment filtration system and multi-way valve

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09108665A (en) * 1995-10-16 1997-04-28 Takagi:Kk Faucet water purifying device
CN101851035A (en) * 2009-04-03 2010-10-06 杭州司迈特水处理工程有限公司 Automatic cleaning and water purifying device
CN201973290U (en) * 2010-12-12 2011-09-14 刘兰声 Multi-channel control valve in backflush type water purifying device
CN202132550U (en) * 2011-07-15 2012-02-01 干建荣 Multi-way valve
CN205965197U (en) * 2016-06-07 2017-02-22 温州市润新机械制造有限公司 But leading filter of back flush lamination formula
CN207158963U (en) * 2017-08-08 2018-03-30 成都蜀洋水处理设备有限公司 A kind of reverse osmose pure-water preparation system
CN214861732U (en) * 2020-10-12 2021-11-26 东莞市谦益宏水处理设备有限公司 Water treatment filtration system and cross valve thereof
CN215522071U (en) * 2020-11-05 2022-01-14 深圳市优福环保科技有限公司 Multi-way valve for realizing switching of working states of water purifier
CN114100230A (en) * 2021-10-25 2022-03-01 东莞市谦益宏水处理设备有限公司 Water treatment filtration system and multi-way valve

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