CN104386873B - With the secondary water supply system of water purification advanced treatment - Google Patents
With the secondary water supply system of water purification advanced treatment Download PDFInfo
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- CN104386873B CN104386873B CN201410767512.0A CN201410767512A CN104386873B CN 104386873 B CN104386873 B CN 104386873B CN 201410767512 A CN201410767512 A CN 201410767512A CN 104386873 B CN104386873 B CN 104386873B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 192
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000001728 nano-filtration Methods 0.000 claims abstract description 65
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 51
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 239000008237 rinsing water Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920002301 cellulose acetate Polymers 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 235000020188 drinking water Nutrition 0.000 abstract description 4
- 239000003651 drinking water Substances 0.000 abstract description 4
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000002455 scale inhibitor Substances 0.000 description 5
- 239000008400 supply water Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to pipe network water supply technical field, relate to a kind of secondary water supply system with water purification advanced treatment, include water pipe, water purification advanced treatment apparatus and rising pipe, water purification advanced treatment apparatus comprises magnetizing assembly, self-cleaning filter, ultra-filtration equipment, ultrafiltration water tank, cartridge filter, nanofiltration device and nanofiltration water tank, magnetizing assembly is connected with ultra-filtration equipment with self-cleaning filter respectively, ultrafiltration water tank is connected with ultra-filtration equipment and cartridge filter respectively, ultrafiltration water pump is provided with between ultrafiltration water tank and cartridge filter, cartridge filter is connected with nanofiltration device, nanofiltration device is connected with nanofiltration water tank, inhalent siphon is connected with self-cleaning filter, rising pipe is connected with nanofiltration water tank, its water purification advanced treatment apparatus can be protected separatory membrane effectively, reduces scale inhibition dosage, extends the Membrane cleaning cycle, reduces the dosing in water supply advanced treatment process and cleaning charge use, and reduces the potential safety hazard that dosing brings, can General Promotion Drinking Water for Residents water quality.<!-- 2 -->
Description
Technical field
The invention belongs to pipe network water supply technical field, specifically, relate to a kind of secondary water supply system pipe network tap water being carried out to the band water purification advanced treatment that advanced treatment is increased water quality.
Background technology
Secondary water-supply, referring to that city public water supply or self-built facility supply water through storing by unit or individual, pressurization, supplying user or personal form again by pipeline.Secondary water-supply facility is mainly and makes up municipal water supply line pressure deficiency, and guarantee is lived, live in high-rise crowd's water sets up.Therefore, secondary water-supply is the unique selection mode of high-floor feedwater.At present along with the development in city, the minimizing of building site, inhabitation working way changes, and more and more building replaces one-storey house and village, and secondary water-supply has become a kind of trend, meets resident, unit daily water consumption needs, closely bound up with huge numbers of families.Compare former water to supply water, the water quality of secondary water-supply is more easily contaminated, and the safety and reliability of secondary water-supply is all subject to civic extensive concern always.Because water source is polluted, there is the problem such as nutrient laden, algae infestation in water body, and source quality index is smelt and exceeded standard with the stage of growth such as taste, iron, manganese, and the point-source pollution at water source still exists simultaneously, brings impact to Urban water supply.
The water technology of Urban water supply water factory mainly by mixing, reaction, precipitation, filter and sterilize the conventional treatment process formed, to smell in water and the removal ability of the index such as taste, iron, manganese limited.Along with improving constantly of water supply quality standard, conventional water treatment process also faces a severe challenge.
Along with the national economic development, social progress and broad masses of the people's health perception improve, the requirement of people to the feedwater of supply is more and more higher.Although the water quality standard for drinking water of the feedwater quality strict compliance with current of supply at present, outside safety and sanitation, the good to eat degree of water is more and more paid attention to by people.The water technology of Urban water supply water factory is mainly by mixing, reaction, precipitation, filtration and the conventional treatment process formed of sterilizing.To smell in water and the removal ability of the index such as taste, iron, manganese limited, along with improving constantly of water supply quality standard, conventional water treatment process also faces a severe challenge.Therefore, using tap water as former water, by water purification advanced treatment apparatus, removing the peculiar smell in water and toxic substance, to reach the good to eat object of straight drink, will be the development trend of following tap water.
Membrane separation technique is the gordian technique in current water depth treatment process, but fouling membrane is again affect its deciding factor applied.In the process of Nanofiltering membrane process water, the material causing fouling membrane is the metal oxide of hydration status, calcium containing compound, colloidalmaterial, organism and microorganism etc. mainly, these materials define the adhesion layer blocking fenestras such as filter cake, gel and fouling on the surface of the film, membrane separating property is caused to change, be embodied in the permeation flux minimizing of film, the charged character of film and membrane pore structure to change, the work-ing life of film reduces.Traditional antiscaling method mainly adds Scale inhibitors in water body, add Scale inhibitors and can increase running cost, secondly owing to processing the complicacy of water sample, the kind of Scale inhibitors and ratio need to change in good time, therefore there is problem drinking-water quality being brought to secondary pollution, there is certain potential safety hazard.Current secondary water supply system exists to be needed to add a large amount of Scale inhibitors and implementing monitoring water quality cannot carry out the defect of back flushing to the film in filtration unit.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art existence; seek the secondary water supply system designing the band water purification advanced treatment that a kind of secondary water-supply pipe network is combined with water purification advanced treatment apparatus; avoid the peculiar smell in secondary pollution and further removal water and toxic substance; when entering huge numbers of families; reach the object that straight drink is good to eat, reduce Scale inhibitors addition, available protecting separatory membrane; shorten the Membrane cleaning cycle, the water purification advanced treatment apparatus of increasing water quality.
To achieve these goals, the technical solution used in the present invention is: a kind of secondary water supply system with water purification advanced treatment, includes water pipe, water purification advanced treatment apparatus and rising pipe, inhalent siphon and rising pipe are respectively equipped with force (forcing) pump;
Described water purification advanced treatment apparatus, comprise magnetizing assembly, self-cleaning filter, ultra-filtration equipment, ultrafiltration water tank, cartridge filter, nanofiltration device and nanofiltration water tank, self-cleaning filter water outlet is connected with magnetizing assembly water-in, magnetizing assembly water outlet is connected with ultra-filtration equipment water-in, ultra-filtration equipment water outlet is connected with ultrafiltration water tank inlet, ultrafiltration water outlet of water tank is connected with cartridge filter water-in, ultrafiltration water pump is provided with between ultrafiltration water tank and cartridge filter, cartridge filter water outlet is connected with nanofiltration device water-in, nanofiltration device water outlet is connected with nanofiltration water tank inlet,
Described inhalent siphon is connected with self-cleaning filter water-in, and rising pipe is connected with nanofiltration water outlet of water tank.
Hyperfiltration reverse-rinsing water pump is provided with, to ultra-filtration equipment back flushing between described ultrafiltration water outlet of water tank and ultra-filtration equipment water outlet.
Nanofiltration backwash water pump is provided with, to nanofiltration device back flushing between described nanofiltration water outlet of water tank and nanofiltration device water outlet.
Described ultra-filtration equipment adopts polypropylene hollow fiber ultra-filtration membrane, and water inlet water temperature is within the scope of 25 ± 5 DEG C, and intake pressure is within the scope of 0.1-0.2Mpa, and flow velocity is 0.1m/s.
High-pressure pump is provided with between described cartridge filter and nanofiltration device, nanofiltration process requires that water inlet has higher pressure, therefore need in the front of nanofiltration device to arrange a high-pressure hydraulic pump, the hydraulic pressure of water inlet is increased to 0.3MPa, described nanofiltration device adopts cellulose acetate rolling nanofiltration membrane, water inlet water temperature is within the scope of 25 ± 5 DEG C, and intake pressure is 0.3Mpa, and flow velocity is 0.02m/h.
Be provided with online water quality tester one between described magnetizing assembly and cartridge filter, online water quality tester one is electrically connected with hyperfiltration reverse-rinsing water pump; Be provided with online water quality tester two between described nanofiltration device and nanofiltration water tank, online water quality tester two is electrically connected with nanofiltration backwash water pump; The data such as the specific conductivity that the backwashing equipment configured in ultra-filtration equipment and nanofiltration device records according to online instrument water quality tester carry out automatic backwash, effectively protect nanofiltration membrane, extend its work-ing life.
Beneficial effect of the present invention is: the secondary water supply system providing a kind of band water purification advanced treatment newly, and its water purification advanced treatment apparatus can be protected separatory membrane effectively; The scale inhibition dosage added needed in membrane separating process obviously reduces, and the Membrane cleaning cycle extends greatly, significantly reduces the dosing in water supply advanced treatment process and cleaning charge use, and reduces the potential safety hazard that dosing brings; The setting of ultrafiltration water tank and nanofiltration water tank can keeping system pressure-stabilisation, uses this device can meet water supply plant actual production requirement, again can General Promotion Drinking Water for Residents water quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
As shown in Figure 1: line water quality tester 1, self-cleaning filter 2, magnetizing assembly 3, ultra-filtration equipment 4, ultrafiltration water tank 5, hyperfiltration reverse-rinsing water pump 6, ultrafiltration water pump 7, cartridge filter 8, high-pressure hydraulic pump 9, nanofiltration device 10, online water quality tester 2 11, nanofiltration water tank 12, nanofiltration backwash water pump 13, force (forcing) pump 14.
Embodiment
Below by specific embodiment, the invention will be further described by reference to the accompanying drawings:
Embodiment 1
The secondary water supply system of the present embodiment, include water pipe, water purification advanced treatment apparatus and rising pipe, inhalent siphon is provided with force (forcing) pump 15, and rising pipe is provided with force (forcing) pump 14, water purification advanced treatment apparatus comprises magnetizing assembly 3, self-cleaning filter 2, ultra-filtration equipment 4, ultrafiltration water tank 5, cartridge filter 8, nanofiltration device 10 and nanofiltration water tank 12, the water outlet of self-cleaning filter 2 is connected with the water-in of magnetizing assembly 3, the water outlet of magnetizing assembly 3 is connected with the water-in of ultra-filtration equipment 4, the water outlet of ultra-filtration equipment 4 is connected with the water-in of ultrafiltration water tank 5, the water outlet of ultrafiltration water tank 5 is connected with the water-in of cartridge filter 8, ultrafiltration water pump 7 is provided with between ultrafiltration water tank 5 and cartridge filter 8, the water outlet of cartridge filter 8 is connected with the water-in of nanofiltration device 10, the water outlet of nanofiltration device 10 is connected with the water-in of nanofiltration water tank 12, inhalent siphon is connected with the water-in of self-cleaning filter 2, rising pipe is connected with the water outlet of nanofiltration water tank 12.
Be provided with online water quality tester 1 before magnetizing assembly 3 water-in, online water quality tester 1 is electrically connected with hyperfiltration reverse-rinsing water pump 6; Be provided with online water quality tester 2 11 between nanofiltration device 10 and nanofiltration water tank 12, online water quality tester 2 11 is electrically connected with nanofiltration backwash water pump 13; The data such as the specific conductivity that in ultra-filtration equipment 4 and nanofiltration device 10, the backwashing equipment of configuration records according to online instrument water quality tester carry out automatic backwash, effectively protect nanofiltration membrane, extend its work-ing life.
Embodiment 2
The secondary water supply system of the present embodiment, divided by lower difference outer other with embodiment 1:
Hyperfiltration reverse-rinsing water pump 6 is provided with, to ultra-filtration equipment 4 back flushing between the water outlet of ultrafiltration water tank 5 and the water outlet of ultra-filtration equipment 4; Nanofiltration backwash water pump 13 is provided with, to nanofiltration device 10 back flushing between the water outlet of nanofiltration water tank 12 and the water outlet of nanofiltration device 10.
Ultra-filtration equipment 4 adopts polypropylene hollow fiber ultra-filtration membrane, and water inlet water temperature is within the scope of 25 ± 5 DEG C, and intake pressure is within the scope of 0.1-0.2Mpa, and flow velocity is 0.1m/s.
High-pressure hydraulic pump 9 is provided with between cartridge filter 8 and nanofiltration device 10, nanofiltration process requires that water inlet has higher pressure, therefore need in the front of nanofiltration device to arrange a high-pressure hydraulic pump 9, the hydraulic pressure of water inlet is increased to 0.3MPa, nanofiltration device 10 adopts cellulose acetate rolling nanofiltration membrane, water inlet water temperature is within the scope of 25 ± 5 DEG C, and intake pressure is 0.3Mpa, and flow velocity is 0.02m/h.
The water-quality guideline of pipe network water after the water purification advanced treatment apparatus process of the present embodiment is as shown in table 1:
Table 1
Claims (2)
1. the secondary water supply system with water purification advanced treatment, include water pipe, water purification advanced treatment apparatus and rising pipe, inhalent siphon is provided with force (forcing) pump (15), rising pipe is provided with force (forcing) pump (14), water purification advanced treatment apparatus comprises magnetizing assembly (3), self-cleaning filter (2), ultra-filtration equipment (4), ultrafiltration water tank (5), cartridge filter (8), nanofiltration device (10) and nanofiltration water tank (12), inhalent siphon is connected with the water-in of self-cleaning filter (2), rising pipe is connected with the water outlet of nanofiltration water tank (12), it is characterized in that:
The water outlet of self-cleaning filter (2) is connected with the water-in of magnetizing assembly (3), the water outlet of magnetizing assembly (3) is connected with the water-in of ultra-filtration equipment (4), the water outlet of ultra-filtration equipment (4) is connected with the water-in of ultrafiltration water tank (5), the water outlet of ultrafiltration water tank (5) is connected with the water-in of cartridge filter (8), ultrafiltration water pump (7) is provided with between ultrafiltration water tank (5) and cartridge filter (8), the water outlet of cartridge filter (8) is connected with the water-in of nanofiltration device (10), the water outlet of nanofiltration device (10) is connected with the water-in of nanofiltration water tank (12), be provided with online water quality tester one (1) before magnetizing assembly (3) water-in, online water quality tester one (1) is electrically connected with hyperfiltration reverse-rinsing water pump (6), online water quality tester two (11) is provided with between nanofiltration device (10) and nanofiltration water tank (12), online water quality tester two (11) is electrically connected with nanofiltration backwash water pump (13), hyperfiltration reverse-rinsing water pump (6) is provided with between the water outlet of ultrafiltration water tank (5) and the water outlet of ultra-filtration equipment (4), nanofiltration backwash water pump (13) is provided with between the water outlet of nanofiltration water tank (12) and the water outlet of nanofiltration device (10), high-pressure hydraulic pump (9) is provided with between cartridge filter (8) and nanofiltration device (10), nanofiltration device (10) adopts cellulose acetate rolling nanofiltration membrane.
2. the secondary water supply system of band water purification advanced treatment according to claim 1, is characterized in that: ultra-filtration equipment (4) adopts polypropylene hollow fiber ultra-filtration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767512.0A CN104386873B (en) | 2014-12-12 | 2014-12-12 | With the secondary water supply system of water purification advanced treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767512.0A CN104386873B (en) | 2014-12-12 | 2014-12-12 | With the secondary water supply system of water purification advanced treatment |
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| Publication Number | Publication Date |
|---|---|
| CN104386873A CN104386873A (en) | 2015-03-04 |
| CN104386873B true CN104386873B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410767512.0A Active CN104386873B (en) | 2014-12-12 | 2014-12-12 | With the secondary water supply system of water purification advanced treatment |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646545A (en) | 2020-06-10 | 2020-09-11 | 金科环境股份有限公司 | Backwashing filter core-nanofiltration drinking water deep purification system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409208Y (en) * | 2000-01-03 | 2000-12-06 | 矫祥麟 | Running water activating device |
| CN2438706Y (en) * | 2000-09-29 | 2001-07-11 | 多元水环保技术产业(中国)有限公司 | Health purified water processor |
| CN204434419U (en) * | 2014-12-12 | 2015-07-01 | 青岛水务集团有限公司科技中心 | With the secondary water supply system of water purification advanced treatment |
-
2014
- 2014-12-12 CN CN201410767512.0A patent/CN104386873B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409208Y (en) * | 2000-01-03 | 2000-12-06 | 矫祥麟 | Running water activating device |
| CN2438706Y (en) * | 2000-09-29 | 2001-07-11 | 多元水环保技术产业(中国)有限公司 | Health purified water processor |
| CN204434419U (en) * | 2014-12-12 | 2015-07-01 | 青岛水务集团有限公司科技中心 | With the secondary water supply system of water purification advanced treatment |
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| CN104386873A (en) | 2015-03-04 |
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Inventor after: Wei Chengji Inventor after: Wang Wei Inventor after: Feng Haiyan Inventor after: Xue Xinxi Inventor after: Fu Long Inventor after: Gao Yuan Inventor after: Sun Yang Inventor before: Wang Wei Inventor before: Feng Haiyan Inventor before: Xue Xinxi Inventor before: Fu Long Inventor before: Gao Yuan Inventor before: Sun Yang |
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Effective date of registration: 20191107 Address after: 266000 Shandong province Qingdao City Taiping Road, No. 55 Patentee after: Qingdao Water Group Co., Ltd Address before: 266400 No. 61, Harbin Road, Qingdao, Shandong Patentee before: SCIENCE AND TECHNOLOGY CENTER, QINGDAO WATER GROUP CO., LTD. |
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