CN105692970A - Medical water treatment technology and medical water treatment system - Google Patents

Medical water treatment technology and medical water treatment system Download PDF

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Publication number
CN105692970A
CN105692970A CN201610159363.9A CN201610159363A CN105692970A CN 105692970 A CN105692970 A CN 105692970A CN 201610159363 A CN201610159363 A CN 201610159363A CN 105692970 A CN105692970 A CN 105692970A
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China
Prior art keywords
water
reverse osmosis
grades
water treatment
water tank
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CN201610159363.9A
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CN105692970B (en
Inventor
李�杰
孙卫星
胡勤阳
徐新春
张丽芬
严洪
王松林
相云华
柏峰
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Zhejiang Jingquan Water Treatment Equipment Co Ltd
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Zhejiang Jingquan 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
    • C02F9/00Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • 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
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • 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
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2103/003Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • 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

Abstract

The invention provides a medical water treatment technology and a medical water treatment system, wherein the medical water treatment technology comprises a first stage water treatment process, a second stage water treatment process and a third stage water treatment process; after medical water is treated by the first stage water treatment process, obtained first stage effluent is taken as inlet water of the second stage water treatment process; after the first stage effluent is treated by the second stage water treatment process, obtained second stage effluent is taken as inlet water of the third stage water treatment process. The medical water treatment system comprises a first stage water treatment device, an intermediate water tank, a second stage water treatment device, a second stage water tank, a third stage water treatment device and a purified water tank which are sequentially communicated with one another. The medical water treatment technology is capable of sorting the water of different departments according to the water consumption characteristics of the different departments in a hospital and adopts a water supply mode of concentrated water production and water supply by different qualities, thus meeting the water consumption demands of all the departments, greatly lowering the water production cost, and reducing the management and operation costs of the medical water.

Description

A kind of medicinal water water treatment technology and system
Technical field
The present invention relates to water treatment field, particularly relate to water treatment technology and the system of a kind of medicinal water。
Background technology
Medicinal water relates to a lot of section office, has hemodialysis water, use for laboratory water, biochemical investigation water, Pathology Deparment's use water, central supply room water, operation rinsing scouring water, catheters irrigation water, dentistry wash water, obstetrics' use water, Drug Manufacturing Room's water etc.。The requirement of water quality is differed greatly by each section office, and so many section office are intended to be separately provided water treatment facilities to hospital, are all very big pressure from aspects such as economy, place and plant maintenances。The Dou Shige section office independence water machine supply pure water that current many hospitals adopt, therefore multiple small-scale hydrotreater it is provided with, the many small-scale water of these quantity processes and there is water quality and be difficult to control to, be difficult to manage and equipment takes up an area the problem that space is bigger, causes the very big wasting of resources simultaneously。The country that the economy such as the U.S., Japan is comparatively flourishing, just in succession formulate as far back as the eighties in 20th century and implement comparatively sound hospital's pure water and use management system and different sections purpose pure water standard, it is established that central water system。But the existing water system of China is many because involving section office, supply channel is long, pipeline rout is complicated, insufficient water is there will be and supply channel exists the phenomenon of dead space occluded water at water use peak, so that antibacterial Fast-propagation, these puzzlements hinder the popularization and application of hospital's centralized system mass distributary direct supply system。
Summary of the invention
For the problems referred to above, it is an object of the invention to provide the water treatment technology of a kind of medicinal water that can concentrate controlling the water circulation, quality classification water supply and system。
Technical scheme is as follows:
A kind of medicinal water water treatment technology, described water treatment technology includes one-level water treatment process, two grades of water treatment process and tertiary effluent treatment process;Primary effluent after described one-level water treatment process processes is as the water inlet of described two grades of water treatment process, and the secondary effluent after described two grades of water treatment process process is as the water inlet of described tertiary effluent treatment process;
Wherein said one-level water treatment process includes following treatment process:
S101: coarse filtration operation, described coarse filtration operation is for removing the impurity such as float in former water, particulate matter and colloid;
S102: carbon filter operation, described carbon filters operation for impurity such as the Organic substance removing in water, chlorine residue, heavy metals;
S103: fine straining operation, the impurity such as described fine straining operation is used for the carbon filtrate after carbon filter operation processes is filtered further, the small granular suspended matters of removal residual;
S104: ultrafiltration operation, described ultrafiltration operation is for carrying out hyperfiltration treatment to the fine straining water outlet after fine straining operation processes;
S105: first-stage reverse osmosis operation, described first-stage reverse osmosis operation, for the ultra-filtration water through hyperfiltration treatment is carried out reverse osmosis water outlet, obtains described primary effluent after first-stage reverse osmosis operation processes, and described primary effluent stores to intermediate water tank;
Described two grades of water treatment process include following treatment process:
S201: two-pass reverse osmosis operation, described two-pass reverse osmosis operation, for described primary effluent is carried out secondary reverse-osmosis treated, obtains secondary effluent after two-pass reverse osmosis operation processes, and described secondary effluent stores to two grades of water tanks;
Described tertiary effluent treatment process includes following treatment process:
S301: electricity desalination operation, described electricity desalination operation processes thus obtaining three grades of water outlets for described secondary effluent carries out electricity desalination, and described three grades of water outlets store to pure water water tank。
Wherein, described primary effluent also includes disinfecting steps before using;
Described secondary effluent also includes disinfecting steps before using;
Described three grades of water outlets also include disinfecting steps before using。
Wherein, the two-pass reverse osmosis concentrate recirculation that described two-pass reverse osmosis operation obtains is to ultrafiltration water tank;
The electric desalination concentrate recirculation that obtains is processed to intermediate water tank through electricity desalination operation。
The present invention also provides for a kind of medicinal water water treatment system, and they one-level water treatment facilities including being sequentially communicated, intermediate water tank, two grades of water treatment facilities, two grades of water tanks, tertiary effluents process equipment and pure water water tank;Wherein said one-level water treatment facilities process the primary effluent obtained and enter intermediate water tank storage, the water inlet of described two grades of water treatment facilities communicates with described intermediate water tank, the secondary effluent of described two grades of water treatment facilities enters two grades of water tanks and stores, described tertiary effluent processes the water inlet of equipment and communicates with described two grades of water tanks, and described tertiary effluent processes three grades of water outlets of equipment and enters the storage of pure water water tank;
Described one-level water treatment facilities include the pretreatment filters, active carbon filter, accurate filter, ultrafiltration apparatus and the first-stage reverse osmosis device that are sequentially communicated;The outlet of described first-stage reverse osmosis device connects with described intermediate water tank;
Described two grades of water treatment facilities include second level reverse osmosis apparatus, and the water inlet of described second level reverse osmosis apparatus connects with described intermediate water tank, and the outlet of described second level reverse osmosis apparatus connects with described two grades of water tanks;
Described tertiary effluent processes equipment and includes electricity demineralizer, and the water inlet of described electricity demineralizer connects with described two grades of water tanks, and the outlet of described electricity demineralizer connects with described pure water water tank。
Wherein, the ultrafiltration concentrated water drainage of described ultrafiltration apparatus enters filter flush box, and described filter flush box connects with described pretreatment filters, adopts the dense water of ultrafiltration of described ultrafiltration apparatus that described pretreatment filters is rinsed;
And/or, the concentrated water drainage of described first-stage reverse osmosis device enters ultrafiltration flush box, and described hyperfiltration rinsing water case connects with described ultrafiltration apparatus, adopts the dense water of first-stage reverse osmosis device that described ultrafiltration apparatus is rinsed;
And/or, between described ultrafiltration apparatus and described first-stage reverse osmosis device, it being additionally provided with ultrafiltration water tank, the concentrate recirculation of described second level reverse osmosis apparatus is described ultrafiltration water tank extremely;
And/or, the concentrated water spout of described electricity demineralizer connects with described intermediate water tank, the electric desalination concentrate recirculation extremely described intermediate water tank that described electricity demineralizer obtains。
Wherein, before described pretreatment filters, it is additionally provided with coagulant drug-adding device;
And/or it is additionally provided with antisludging agent chemicals dosing plant between described ultrafiltration apparatus and described first-stage reverse osmosis device;
And/or between described intermediate water tank and described second level reverse osmosis apparatus, it is additionally provided with alkali liquor chemicals dosing plant。
Wherein, before described intermediate water tank, described two grades of water tanks and described pure water water tank, it is provided with control valve。
Wherein, described intermediate water tank, described two grades of water tanks and described pure water water tank are provided with circulation water intaking pipeline, are respectively positioned on each described circulation water intaking pipeline with the intake of water spot;Each described circulation water intaking pipeline is provided with decontaminating apparatus。
Wherein, the water intaking pipeline of described water spot is U-shaped water intaking pipeline, and water intaking pipeline connection is all circulated with described in the two ends of described U-shaped water intaking pipeline。
Wherein, before described active carbon filter, it is additionally provided with heat exchanger。
Wherein, described medicinal water water treatment system also includes stored program controlled, and described stored program controlled includes one-level water and processes stored program controlled, two grades of water process stored program controlleds and tertiary effluent process stored program controlled;
Described one-level water processes stored program controlled and includes pretreatment filters control module, Filtration Control module and first-stage reverse osmosis control module, described pretreatment filters controls module and is connected with the electrical connection of described pretreatment filters or communication, for controlling the operation of described pretreatment filters and the flushing of pretreatment filters;The electrical connection of described Filtration Control module and described ultrafiltration apparatus or communication are connected, for controlling automatically the repairing of the operation of described ultrafiltration apparatus and ultrafiltration apparatus (i.e. the switching of standby usage membrane module and cleaning, including product water backwashing etc.);Described first-stage reverse osmosis controls module and is connected with the electrical connection of first-stage reverse osmosis device or communication, for controlling automatically the repairing of the operation of first-stage reverse osmosis device and first-stage reverse osmosis device (namely the switching of standby usage membrane module and cleaning, scrub including low pressure, produce water flushing and Chemical cleaning etc.);
Described two grades of water process stored program controlled and include two-pass reverse osmosis control module, described two-pass reverse osmosis controls module and is connected with second level reverse osmosis apparatus electrical connection or communication, for controlling automatically the repairing of the operation of second level reverse osmosis apparatus and second level reverse osmosis apparatus (namely the switching of standby usage membrane module and cleaning, scrub including low pressure, produce water flushing and Chemical cleaning etc.);
Described tertiary effluent processes stored program controlled and includes electricity demineralizer control module, described electricity demineralizer controls module and is connected with electricity demineralizer electrical connection or communication, for controlling automatically the repairing of the operation of electricity demineralizer and electricity demineralizer (i.e. the switching of standby usage membrane module and cleaning, including product water flushing, Chemical cleaning etc.)。
The invention has the beneficial effects as follows:
(1) the medicinal water water treatment technology of the present invention uses water feature according to hospital's different department, classifying with water to different department, have employed the way of supplying water concentrating controlling the water circulation and quality classification water supply, not only meet the water demand of each section office, and greatly reduce water producing cost, reduce management and the operating cost of medicinal water。
(2) the medicinal water water treatment system of the present invention can require to be supplied directly to each water section office respectively according to the different quality of each section office of hospital, replace existing being independently equipped with pure water making system, divide the water section office for multiple different quality requirements realizing a water manufacturing system;Compared with the equipment that conventional each section office individually supply, this system has that water saving, economize on electricity, operating cost is low, convenient management, stable, water use efficiency high。
(3) the medicinal water water treatment system of the present invention is when supplying water to each water section office, it is achieved whole process closed circulation is carried, it is ensured that clinical practice water is instant fresh water。
(4) the medicinal water water treatment system of the present invention is provided with closed circulation pipeline system, at each dry point, circulation line is set between product water tank, remaining for use pure water is back in product water tank, pure water can not only be recycled, improve the utilization rate of water, and circulate sterilization, it is to avoid aqueduct exists dead space, therefore it is avoided that bacteria breed, ensures the safety producing water water quality。
(5) the medicinal water water treatment system of the present invention adopts U-shaped water intaking pipeline at each dry point, it is to avoid dry point region exists dead space, pollution-free, has ensured the safety of water quality。
(6) the medicinal water water treatment system of the present invention has the advantages that water quality is repaired automatically: arranges control valve before each product water tank and realizes the switching of current, on-line checking is carried out by each stage is produced water water quality, the pipeline switching of automatic valve is controlled by PLC program, defective product water is back to this water system supply tank, again process, until it reaches water quality requirement。
(7) the medicinal water water treatment system of the present invention has equipment performance and automatically repairs feature: all membrane separation plants arrange some groups of strings and/or membrane module in parallel, and to arrange one of which membrane module be spare parts, when other any group of membrane modules break down as polluted and being to be cleaned (by instrument monitoring water flow data automatic decision), corresponding switching valve group automatically switches on standby membrane module, to ensure that system is not out of service, ensure the continual and steady of whole production technology, to guarantee the water quality and quantity requirement meeting technological design。
(8) the medicinal water water treatment system entirety of the present invention achieves waste water reuse, and whole technique realizes waste water zero emission substantially, and wherein the dense water of ultrafiltration is used for rinsing pretreatment filters, and after flushing, wastewater collection is in sewage collecting water tank;First-stage reverse osmosis concentrated water drainage enters ultrafiltration flush box, and for the flushing to ultrafiltration apparatus, after flushing, wastewater collection is in sewage collecting water tank;Two-pass reverse osmosis concentrate recirculation is to ultrafiltration water tank;The concentrate recirculation of electricity demineralizer is to two grades of water tanks;Water in sewage collecting water tank can be used for afforesting use water, road flushing water and flushing supply etc., takes full advantage of water resource, using water wisely, it is achieved that the waste water zero emission of technique。
Accompanying drawing explanation
Fig. 1 is the overall schematic of the medicinal water water treatment system of the present invention。
1-raw water box;2-raw water pump;3-pretreatment filters;4-heat exchanger;5-active carbon filter;6-filter flush box;7-accurate filter;8-ultrafiltration apparatus;9-ultrafiltration water tank;10-ultrafiltration water pump;11-one-level high-pressure pump;12-first-stage reverse osmosis device;13-intermediate water tank;Bis-grades of high-pressure pumps of 14-;15-second level reverse osmosis apparatus;Bis-grades of water tanks of 16-;17-feed pump;18-electricity demineralizer;19-pure water water tank;20,21,22-decontaminating apparatuss;23-coagulant drug-adding device;24-antisludging agent chemicals dosing plant;25-alkali liquor chemicals dosing plant;29-first controls valve;30-first produces water reflux pipe;31-second controls valve;32-second produces water reflux pipe;33-the 3rd controls valve;34-tertiary industry water reflux pipe;35-hyperfiltration rinsing water case
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated。
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined。
The invention provides a kind of medicinal water water treatment technology, it includes one-level water treatment process, two grades of water treatment process and tertiary effluent treatment process;Primary effluent after described one-level water treatment process processes is as the water inlet of described two grades of water treatment process, and the secondary effluent after described two grades of water treatment process process is as the water inlet of described tertiary effluent treatment process。Wherein primary effluent can supply the uses such as the department of stomatology, endoscope center and operating room, and secondary effluent can supply center's Supply House and blood dialysis room etc. use, and three grades of water outlets can be supplied control laboratory, Drug Manufacturing Room and experimental center etc. and be used。Feature according to medicinal water, the medicinal water of each section office of hospital is classified by the present invention, the different water treatment technologies requiring to adopt further advanced treating according to medicinal water, greatly reduces water producing cost, simultaneously convenient monitoring and management。
Wherein said one-level water treatment process includes following treatment process:
S101: coarse filtration operation, described coarse filtration operation is for removing the impurity in former water;Former water in the present invention is tap water, is removed the impurity such as the float in former water, particulate matter and colloid by coarse filtration operation;
S102: carbon filter operation, described carbon filter operation is for removing the impurity such as the Organic substance of water quality, chlorine residue, heavy metal;
S103: fine straining operation, described fine straining operation is for filtering further the carbon filtrate after carbon filter operation processes;Water can be filtered by fine straining operation further, the impurity such as some small granular suspended matters that can be removed residual by fine straining operation;
S104: ultrafiltration operation, described ultrafiltration operation is for carrying out hyperfiltration treatment to the filtration water outlet after fine straining operation processes;Ultrafiltration operation can remove the most of jelly in water and Organic substance;
S105: first-stage reverse osmosis operation, described first-stage reverse osmosis operation, for the ultra-filtration water through hyperfiltration treatment is carried out reverse osmosis water outlet, obtains described primary effluent after first-stage reverse osmosis operation processes, and described primary effluent stores to intermediate water tank。
Described two grades of water treatment process include following treatment process:
S201: two-pass reverse osmosis operation, described two-pass reverse osmosis operation, for described primary effluent is carried out secondary reverse-osmosis treated, obtains secondary effluent after two-pass reverse osmosis operation processes, and described secondary effluent stores to two grades of water tanks。Primary effluent is carried out secondary reverse-osmosis treated and obtains by secondary effluent。
Described tertiary effluent treatment process includes following treatment process:
S301: electricity desalination operation, described electricity desalination operation processes thus obtaining three grades of water outlets for described secondary effluent carries out electricity desalination, and described three grades of water outlets store to pure water water tank。
It is also preferred that the left described primary effluent also includes disinfecting steps before using;Described secondary effluent also includes disinfecting steps before using;Described three grades of water outlets also include disinfecting steps before using。The secondary pollution not only avoiding pure water technique is so set, and may insure that each section office clinic water safety and convenient。
It is also preferred that the left the two-pass reverse osmosis concentrate recirculation that obtains of described two-pass reverse osmosis operation is to ultrafiltration water tank;The electric desalination concentrate recirculation that obtains is processed to intermediate water tank through electricity desalination operation。Secondary counter infiltration concentrate recirculation to ultrafiltration water tank after be continuing with, the electricity electric desalination concentrate recirculation that obtains of desalination operation is continuing with after intermediate water tank。The wastewater zero discharge being capable of whole system is so set, improves the utilization rate of water, saving water resource。
Further, filter at described carbon and be additionally provided with softening process between operation and fine straining operation, softening process is set and can remove the calcium in water, magnesium ion, to ensure the service life of follow-up fine straining equipment and reverse osmosis equipment。
Accordingly, the present invention also provides for a kind of medicinal water water treatment system, and it includes processing equipment and pure water water tank according to the one-level water treatment facilities of connection, intermediate water tank, two grades of water treatment facilities, two grades of water tanks, tertiary effluents;Wherein said one-level water treatment facilities process the primary effluent obtained and enter intermediate water tank storage, the water inlet of described two grades of water treatment facilities communicates with described intermediate water tank, the secondary effluent of described two grades of water treatment facilities enters two grades of water tanks and stores, described tertiary effluent processes the water inlet of equipment and communicates with described two grades of water tanks, and described tertiary effluent processes three grades of water outlets of equipment and enters the storage of pure water water tank。Intermediate water tank, two grades of water tanks and pure water water tank are the degerming water tank of closing。
Referring to Fig. 1, described one-level water treatment facilities include the pretreatment filters 3, active carbon filter 5, accurate filter 7, ultrafiltration apparatus 8 and the first-stage reverse osmosis device 12 that are sequentially communicated;The outlet of described first-stage reverse osmosis device 12 connects with described intermediate water tank 13。The concrete processing procedure of one-level water treatment technology is: the former water (tap water) in raw water box 1 squeezes into pretreatment filters 3 by raw water pump 2, coarse filtration water outlet is obtained after pretreatment filters 3 filters, coarse filtration water outlet enters after active carbon filter 5 filters and obtains carbon filtrate, carbon filtrate enters after accurate filter 7 processes and obtains fine straining water outlet, fine straining water outlet enters after ultrafiltration apparatus 8 processes and obtains ultra-filtration water, ultra-filtration water enters ultrafiltration water tank 9, ultra-filtration water in ultrafiltration water tank 9 squeezes into first-stage reverse osmosis device 12 by ultrafiltration water pump 10 and one-level high-pressure pump 11, primary effluent is obtained after first-stage reverse osmosis device 12 processes, primary effluent enters intermediate water tank 13 and stores。Can fetching water from intermediate water tank 13 with water spot of primary effluent。
Referring to Fig. 1, described two grades of water treatment facilities include second level reverse osmosis apparatus 15, and the water inlet of described second level reverse osmosis apparatus 15 connects with described intermediate water tank 13, and the outlet of described second level reverse osmosis apparatus 15 connects with described two grades of water tanks 16。The detailed process of two grades of water treatment technologies is: primary effluent squeezes into second level reverse osmosis apparatus 15 by two grades of high-pressure pumps 14 from intermediate water tank 13, the secondary effluent that second level reverse osmosis apparatus 15 obtains enters two grades of water tanks 16 and stores, can fetching water from two grades of water tanks with water spot of secondary effluent。
Referring to Fig. 1, described tertiary effluent processes equipment and includes electricity demineralizer 18, and the water inlet of described electricity demineralizer 18 connects with described two grades of water tanks 16, and the outlet of described electricity demineralizer 18 connects with described pure water water tank 19。It is that three grades of water outlets that secondary effluent passes through to obtain after feed pump 17 enters electricity demineralizer 18 process from two grades of water tanks 16 enter pure water water tanks 19 that tertiary effluent processes the detailed process of technique。Fetching water from pure water water tank 19 with water spot of three grades of water outlets。Electricity demineralizer is preferably rolling electricity demineralizer。
Further, the ultrafiltration concentrated water drainage of ultrafiltration apparatus 8 enters filter flush box 6, and described filter flush box 6 connects with described pretreatment filters 3, adopts the dense water of ultrafiltration of described ultrafiltration apparatus 8 that described pretreatment filters 3 is rinsed。The wastewater zero discharge that can realize the present invention further is so set。Waste water after flushing can be collected to dirty water collecting tank, and the water in sewage collecting water tank can be used for afforesting use water, road flushing water and flushing supply etc.。
Pretreatment filters in above-mentioned one-level water treatment facilities is preferably the pretreatment filters described in CN200910102009.2, filter element that accurate filter can adopt number of patent application to be big flux disclosed in CN201210236452.0 and filter。Electricity demineralization plant can be number of patent application is the rolling continuous electrodeionization device disclosed in CN201420798092.8。
Further, referring to Fig. 1, the concentrated water drainage of described first-stage reverse osmosis device 12 enters ultrafiltration flush box 35, and described hyperfiltration rinsing water case 35 connects with described ultrafiltration apparatus 8, adopts the dense water that first-stage reverse osmosis device 12 produces that described ultrafiltration apparatus 8 is rinsed。Further, being additionally provided with ultrafiltration water tank 9 between described ultrafiltration apparatus 8 and described first-stage reverse osmosis device 12, the concentrate recirculation of described second level reverse osmosis apparatus 15 is to ultrafiltration water tank 9。
Further, the concentrated water spout of described electricity demineralizer 18 connects with described intermediate water tank 13, the electric desalination concentrate recirculation extremely described intermediate water tank 13 that described electricity demineralizer 18 obtains。
It is used for rinsing pretreatment filters by the dense water of above-mentioned ultrafiltration apparatus, the dense water of first-stage reverse osmosis device is used for rinsing ultrafiltration apparatus, the electric desalination concentrate recirculation that the concentrated water drainage excess of imports water filtering tank of second level reverse osmosis apparatus and electricity demineralizer obtain is to intermediate water tank, achieve the Appropriate application to greatest extent of water resource, it is truly realized the zero-emission of whole medicinal water water treatment system, save water resource, it is to avoid the waste of water resource。
It is also preferred that the left referring to Fig. 1, be additionally provided with coagulant drug-adding device 23 before described pretreatment filters 3;And/or it is being additionally provided with antisludging agent chemicals dosing plant 24 between first-stage reverse osmosis 12 described in described ultrafiltration apparatus 8;And/or it is additionally provided with alkali liquor chemicals dosing plant 25 between described intermediate water tank 13 and described second level reverse osmosis apparatus 15。Before in the present embodiment, coagulant drug-adding device 23 is arranged on pretreatment filters 3;The chemical feeding points of antisludging agent chemicals dosing plant 24 is arranged on the pipeline between one-level high-pressure pump 11, and the chemical feeding points of alkali liquor chemicals dosing plant 25 is arranged on the pipeline between two grades of high-pressure pumps 14。Adding coagulant is the impurity such as the bulky grain in order to remove in former water, and adding antisludging agent is that adding alkali liquor is the inlet flow-patterm in order to regulate second level reverse osmosis apparatus in order to avoid the calcium in water, magnesium, silicon plasma block fenestra。
Further, before described intermediate water tank 13, described two grades of water tanks 16 and described pure water water tank 19, it is provided with control valve。Referring to Fig. 1, pipeline before intermediate water tank 13 is provided with the first control valve 29, described first controls to be also associated with the first product water reflux pipe 30 on valve 29, described first other end producing water reflux pipe 30 is connected to ultrafiltration water tank 9, when primary effluent is improper, back to ultrafiltration water tank, it is re-started process when detecting;Pipeline before two grades of water tanks is provided with the second control valve 31, second controls to be also associated with the second product water reflux pipe 32 on valve 31, described second other end producing water reflux pipe 32 is connected to intermediate water tank 13, when detecting that secondary effluent water quality is defective by it back to intermediate water tank;Pipeline before pure water water tank is provided with the 3rd control valve 33,3rd controls to be also associated with tertiary industry water reflux pipe 34 on valve 33, the other end of described tertiary industry water reflux pipe 34 is connected to two grades of water tanks 16, when three grades of water outlets are defective by it back to two grades of water tanks。The present embodiment carries out on-line checking by each stage is produced water water quality, PLC program control the pipeline switching of each control valve, defective product water is back to this water system supply tank, again processes, until it reaches water quality requirement。The automatic reparation of water quality it is capable of, it is ensured that water supply quality is qualified by controlling valve。
It is also preferred that the left be provided with circulation water intaking pipeline on described intermediate water tank 13, described two grades of water tanks 16 and described pure water water tank 19, it is respectively positioned on each described circulation water intaking pipeline with the intake of water spot;The two ends of each described circulation water intaking pipeline are provided with decontaminating apparatus。Referring to Fig. 1, the water intaking pipeline of intermediate water tank 13 is provided with decontaminating apparatus 20, the water intaking pipeline of two grades of water tanks 16 is provided with decontaminating apparatus 21, the water intaking pipeline of pure water water tank is provided with decontaminating apparatus 22。Remaining for use pure water is back in product water tank, product water can not only be recycled, improve the utilization rate of water, and circulate sterilization, it is to avoid aqueduct exists dead space, be therefore avoided that bacteria breed, ensure the safety producing water water quality。
Further, the water intaking pipeline of described water spot is U-shaped water intaking pipeline, and water intaking pipeline connection is all circulated with described in the two ends of described U-shaped water intaking pipeline。U-shaped water intaking pipeline is adopted to avoid dry point region to there is dead space, pollution-free, ensure the safety of water quality。Referring to Fig. 1, dry point A, B, C, D, E, F, G, H fetch water each through U-shaped water intaking pipeline。Dry point A, B, C can be the department of stomatology, endoscope center and operating room, dry point D, E can centered by Supply House and blood dialysis room, dry point F, G, H can be control laboratory, Drug Manufacturing Room and experimental center etc.。
Preferably, described ultrafiltration apparatus 8 is provided with membrane module some groups in parallel, described first-stage reverse osmosis device 12, described second level reverse osmosis apparatus 15 and described electricity demineralizer 18 arrange some groups of strings and/or membrane module (wherein ultrafiltration apparatus is provided with some groups of parallel connection membrane modules, and reverse osmosis unit arranges some groups of connection in series-parallel membrane modules) in parallel。Arrange one of which membrane module is spare parts simultaneously, when other any group of membrane modules break down as polluted and being to be cleaned (by water instrument monitoring water flow data automatic decision), corresponding switching valve group automatically switches on standby membrane module, to ensure that system is not out of service, ensure the continual and steady of whole production technology, to guarantee the water quality and quantity requirement meeting technological design。
Further, before described active carbon filter 5, it is additionally provided with heat exchanger 4。Arranging heat exchanger 4 is the water temperature in order to regulate former water, ensures the permeant flux of film, is simultaneously used for active carbon filter and accurate filter are carried out disinfection。Heat exchanger in the present embodiment is arranged between pretreatment filters 3 and active carbon filter 5。Heat exchanger 4 is preferably plate type heat exchanger。
The whole system of the present invention adopts PLC program to automatically control, and the stored program controlled of the medicinal water water treatment system of the present invention is divided into three subsystems, and namely one-level water processes stored program controlled, two grades of water process stored program controlled and tertiary effluent process stored program controlled。
Described one-level water processes stored program controlled and includes pretreatment filters control module, Filtration Control module, first-stage reverse osmosis control module and the first control valve control module, described pretreatment filters controls module and is connected with the electrical connection of described pretreatment filters or communication, for controlling the operation of described pretreatment filters and the flushing of pretreatment filters;Described Filtration Control module is connected with the electrical connection of described ultrafiltration apparatus or communication, for controlling reparation (switching of standby usage membrane module and the cleaning automatically of the operation of described ultrafiltration apparatus, ultrafiltration apparatus, including producing water backwashing etc.), when one group of primary membrane module of any of which breaks down as polluted and being to be cleaned, close the Inlet and outlet water valve of this group membrane module, open the Inlet and outlet water valve of standby membrane module, it is ensured that produce the equilibrium of supply and demand in water water route;Described first-stage reverse osmosis controls module and is connected with the electrical connection of first-stage reverse osmosis device or communication, for controlling reparation (switching of standby usage membrane module and the cleaning automatically of the operation of first-stage reverse osmosis device, first-stage reverse osmosis device, scrub including low pressure, produce water flushing and Chemical cleaning etc.), when one group of primary membrane module of any of which breaks down as polluted and being to be cleaned, close the Inlet and outlet water valve of this group membrane module, open the Inlet and outlet water valve of standby membrane module, it is ensured that produce the equilibrium of supply and demand in water water route;Described first controls valve control module connects with the first control valve, and described first controls valve simultaneously turns on the first product water reflux pipe so that defective product water is back to ultrafiltration water tank for the pipeline closed between first-stage reverse osmosis device and intermediate water tank when primary effluent is defective。Further, one-level water processes stored program controlled and also includes coagulant Adding medicine control module and antisludging agent Adding medicine control module, described coagulant Adding medicine control module is connected with the electrical connection of described coagulant drug-adding device or communication, for controlling switch and the chemical feeding quantity of coagulant drug-adding device;Described antisludging agent Adding medicine control module is connected with the electrical connection of described antisludging agent chemicals dosing plant or communication, for controlling switch and the chemical feeding quantity of scale inhibitor feeding device。
Described two grades of water process stored program controlled and include two-pass reverse osmosis control module and the second control valve control module, described two-pass reverse osmosis controls module and is connected with second level reverse osmosis apparatus electrical connection or communication, for controlling the operation of second level reverse osmosis apparatus, automatically reparation (switching of standby usage membrane module and the cleaning of second level reverse osmosis apparatus, scrub including low pressure, produce water to rinse and Chemical cleaning etc.), when one group of primary membrane module of any of which breaks down as polluted and being to be cleaned, close the Inlet and outlet water valve of this group membrane module, open the Inlet and outlet water valve of standby membrane module, ensure to produce the equilibrium of supply and demand in water water route;Described second controls valve control module connects with the second control valve, and described second controls valve simultaneously turns on the second product water reflux pipe 32 so that defective product water is back to intermediate water tank 13 for the pipeline closed between second level reverse osmosis apparatus and two grades of water tanks when secondary effluent is defective。Further, two grades of water process stored program controlleds also include alkali liquor and add control module, and described alkali liquor adds control module and is connected with the electrical connection of alkali liquor chemicals dosing plant or communication, for controlling operation and the chemical feeding quantity of alkali liquor chemicals dosing plant 25。
Described tertiary effluent processes stored program controlled and includes electricity demineralizer control module and the 3rd control valve control module, described electricity demineralizer controls module and is connected with electricity demineralizer electrical connection or communication, automatically reparation (switching of standby usage membrane module and the cleaning of operation and electricity demineralizer for controlling electricity demineralizer, rinse including producing water, Chemical cleaning etc.), when one group of primary membrane module of any of which breaks down as polluted and being to be cleaned, close the Inlet and outlet water valve of this group membrane module, open the Inlet and outlet water valve of standby membrane module, ensure to produce the equilibrium of supply and demand in water water route;Described 3rd controls valve control module connects with the 3rd control valve, and the described 3rd controls valve control module simultaneously turns on tertiary industry water reflux pipe 34 so that defective product water is back to two grades of water tanks 16 for the pipeline between the electric demineralizer of the closedown when three grades of water outlets are defective and pure water water tank。
Above-mentioned stored program controlled can guarantee that the safe operation of whole water treatment system, ensure the water quality safety of each water spot and uninterrupted water supply etc., adopt digitized water quality measuring control point that former water and various product water carry out on-line real-time measuremen (such as parameters such as Real time displaying such as flow, producing water ratio, conductance, pressure, chlorine residue, pH value), the running status of the variation tendency automatic analysis system according to testing result and historical data, and make operation process and be automatically adjusted, it is ensured that by the safety of water。
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention。It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。Therefore, the protection domain of patent of the present invention should be as the criterion with claim。

Claims (10)

1. a medicinal water water treatment technology, it is characterised in that described water treatment technology includes one-level water treatment process, two grades of water treatment process and tertiary effluent treatment process;Primary effluent after described one-level water treatment process processes is as the water inlet of described two grades of water treatment process, and the secondary effluent after described two grades of water treatment process process is as the water inlet of described tertiary effluent treatment process;
Wherein said one-level water treatment process includes following treatment process:
S101: coarse filtration operation, described coarse filtration operation is for removing the impurity such as float in former water, particulate matter and colloid;
S102: carbon filter operation, described carbon filters operation for impurity such as the Organic substance removing in water, chlorine residue, heavy metals;
S103: fine straining operation, the impurity such as described fine straining operation is used for the carbon filtrate after carbon filter operation processes is filtered further, the small granular suspended matters of removal residual;
S104: ultrafiltration operation, described ultrafiltration operation is for carrying out hyperfiltration treatment to the fine straining water outlet after fine straining operation processes;
S105: first-stage reverse osmosis operation, described first-stage reverse osmosis operation, for the ultra-filtration water through hyperfiltration treatment is carried out reverse osmosis water outlet, obtains described primary effluent after first-stage reverse osmosis operation processes, and described primary effluent stores to intermediate water tank;
Described two grades of water treatment process include following treatment process:
S201: two-pass reverse osmosis operation, described two-pass reverse osmosis operation, for described primary effluent is carried out secondary reverse-osmosis treated, obtains secondary effluent after two-pass reverse osmosis operation processes, and described secondary effluent stores to two grades of water tanks;
Described tertiary effluent treatment process includes following treatment process:
S301: electricity desalination operation, described electricity desalination operation processes thus obtaining three grades of water outlets for described secondary effluent carries out electricity desalination, and described three grades of water outlets store to pure water water tank。
2. medicinal water water treatment technology according to claim 1, it is characterised in that described primary effluent also includes disinfecting steps before using;
Described secondary effluent also includes disinfecting steps before using;
Described three grades of water outlets also include disinfecting steps before using。
3. medicinal water water treatment technology according to claim 1, it is characterised in that the two-pass reverse osmosis concentrate recirculation that described two-pass reverse osmosis operation obtains is to ultrafiltration water tank;
The electric desalination concentrate recirculation that obtains is processed to intermediate water tank through electricity desalination operation。
4. a medicinal water water treatment system, it is characterised in that the one-level water treatment facilities that include being sequentially communicated, intermediate water tank, two grades of water treatment facilities, two grades of water tanks, tertiary effluents process equipment and pure water water tank;Wherein said one-level water treatment facilities process the primary effluent obtained and enter intermediate water tank storage, the water inlet of described two grades of water treatment facilities communicates with described intermediate water tank, the secondary effluent of described two grades of water treatment facilities enters two grades of water tanks and stores, described tertiary effluent processes the water inlet of equipment and communicates with described two grades of water tanks, and described tertiary effluent processes three grades of water outlets of equipment and enters the storage of pure water water tank;
Described one-level water treatment facilities include the pretreatment filters, active carbon filter, accurate filter, ultrafiltration apparatus and the first-stage reverse osmosis device that are sequentially communicated;The outlet of described first-stage reverse osmosis device connects with described intermediate water tank;
Described two grades of water treatment facilities include second level reverse osmosis apparatus, and the water inlet of described second level reverse osmosis apparatus connects with described intermediate water tank, and the outlet of described second level reverse osmosis apparatus connects with described two grades of water tanks;
Described tertiary effluent processes equipment and includes electricity demineralizer, and the water inlet of described electricity demineralizer connects with described two grades of water tanks, and the outlet of described electricity demineralizer connects with described pure water water tank。
5. medicinal water water treatment system according to claim 4, it is characterized in that, the ultrafiltration concentrated water drainage of described ultrafiltration apparatus enters filter flush box, described filter flush box connects with described pretreatment filters, adopts the dense water of ultrafiltration of described ultrafiltration apparatus that described pretreatment filters is rinsed;
And/or, the concentrated water drainage of described first-stage reverse osmosis device enters ultrafiltration flush box, and described hyperfiltration rinsing water case connects with described ultrafiltration apparatus, adopts the dense water of first-stage reverse osmosis device that described ultrafiltration apparatus is rinsed;
And/or, between described ultrafiltration apparatus and described first-stage reverse osmosis device, it being additionally provided with ultrafiltration water tank, the concentrate recirculation of described second level reverse osmosis apparatus is described ultrafiltration water tank extremely;
And/or, the concentrated water spout of described electricity demineralizer connects with described intermediate water tank, the electric desalination concentrate recirculation extremely described intermediate water tank that described electricity demineralizer obtains。
6. medicinal water water treatment system according to claim 4, it is characterised in that be additionally provided with coagulant drug-adding device before described pretreatment filters;
And/or, between described ultrafiltration apparatus and described first-stage reverse osmosis device, it is additionally provided with antisludging agent chemicals dosing plant;
And/or, between described intermediate water tank and described second level reverse osmosis apparatus, it is additionally provided with alkali liquor chemicals dosing plant;
And/or, before described active carbon filter, it is additionally provided with heat exchanger。
7. medicinal water water treatment system according to claim 4, it is characterised in that be provided with control valve before described intermediate water tank, described two grades of water tanks and described pure water water tank。
8. medicinal water water treatment system according to claim 4, it is characterised in that be provided with circulation water intaking pipeline on described intermediate water tank, described two grades of water tanks and described pure water water tank, is respectively positioned on each described circulation water intaking pipeline with the intake of water spot;Each described circulation water intaking pipeline is provided with decontaminating apparatus。
9. medicinal water water treatment system according to claim 4, it is characterised in that the water intaking pipeline of described water spot is U-shaped water intaking pipeline, water intaking pipeline connection is all circulated with described in the two ends of described U-shaped water intaking pipeline。
10. the medicinal water water treatment system according to claim 4 to 9 any one, it is characterized in that, described medicinal water water treatment system also includes stored program controlled, and described stored program controlled includes one-level water and processes stored program controlled, two grades of water process stored program controlleds and tertiary effluent process stored program controlled;
Described one-level water processes stored program controlled and includes pretreatment filters control module, Filtration Control module and first-stage reverse osmosis control module, described pretreatment filters controls module and is connected with the electrical connection of described pretreatment filters or communication, for controlling the operation of described pretreatment filters and the flushing of pretreatment filters;Described Filtration Control module is connected with the electrical connection of described ultrafiltration apparatus or communication, the automatic reparation of operation and ultrafiltration apparatus for controlling described ultrafiltration apparatus;Described first-stage reverse osmosis controls module and is connected with the electrical connection of first-stage reverse osmosis device or communication, the automatic reparation of operation and first-stage reverse osmosis device for controlling first-stage reverse osmosis device;
Described two grades of water process stored program controlled and include two-pass reverse osmosis control module, and described two-pass reverse osmosis controls module and is connected with second level reverse osmosis apparatus electrical connection or communication, repair for controlling the operation of second level reverse osmosis apparatus and the automatic of second level reverse osmosis apparatus;
Described tertiary effluent processes stored program controlled and includes electricity demineralizer control module, and described electricity demineralizer controls module and is connected with electricity demineralizer electrical connection or communication, is used for controlling the automatic reparation of the operation of electricity demineralizer and electricity demineralizer。
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