CN114635474A - Urban direct drinking water supply system - Google Patents
Urban direct drinking water supply system Download PDFInfo
- Publication number
- CN114635474A CN114635474A CN202210361311.5A CN202210361311A CN114635474A CN 114635474 A CN114635474 A CN 114635474A CN 202210361311 A CN202210361311 A CN 202210361311A CN 114635474 A CN114635474 A CN 114635474A
- Authority
- CN
- China
- Prior art keywords
- water
- drinking water
- direct drinking
- water supply
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 132
- 239000003651 drinking water Substances 0.000 title claims abstract description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 275
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 230000001954 sterilising effect Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 23
- 239000000645 desinfectant Substances 0.000 claims description 14
- 230000003020 moisturizing effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- 238000007872 degassing Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 20
- 238000000746 purification Methods 0.000 description 19
- 239000012528 membrane Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000007726 management method Methods 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 230000035622 drinking Effects 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 239000008400 supply water Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000002455 scale inhibitor Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 electricity Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000011572 manganese Substances 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
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/02—Public or like main pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a city direct drinking water supply system, which comprises a direct drinking water production system, wherein the direct drinking water production system is connected with a circulating pipeline, the circulating pipeline is connected with a plurality of circulating pressurization systems, each circulating pressurization system comprises a direct drinking water tank, the direct drinking water tank is connected with the circulating pipeline through a water replenishing pipeline, the direct drinking water tank is connected with a direct drinking water supply pipe network of a user through a first water pump, and the direct drinking water tank is also connected with a direct drinking water return pipe network of the user through a return water disinfection device and a return water fine treatment device.
Description
Technical Field
The invention relates to the technical field of urban water supply, in particular to an urban direct drinking water supply system.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, the direct drinking water system of the pipelines is built in many cities, the direct drinking water system of the pipelines in the cities built at present has the following two construction schemes, and some problems appear in different degrees in the construction and operation process.
The water supply construction scheme 1 adopts a mode of 'full-city high-quality water supply', the water quality of a water purification plant reaches the high-quality standard of purified water, single-pipeline high-standard water quality water supply is adopted, and besides drinking water of residents, rice, vegetable washing, bathing, clothes washing, public buildings, outgoing catering and the like are all high-quality water, so that the water economy burden (or the national financial subsidy burden) of the residents is increased.
The water supply construction scheme 2 adopts a 'small-area in-situ treatment water supply' mode, maintains the current tap water supply mode in the whole urban area, sets a local deep water treatment device in a residential district with mature conditions or a small area dividing the urban area, and adopts two water supply systems to supply water according to quality indoors: one set of system directly supplies tap water for a pipe network and is used for general domestic water; the other system can be used for directly drinking, cooking rice, cooking dishes and the like. Two sets of metering devices are needed for the dual water supply, and two different water prices are set.
The inventor finds that the city-level pipeline direct drinking water system has the following problems:
water supply construction scheme 1: the single pipeline supplies water, and the pipeline is too long, and quality of water is difficult to guarantee, and tubular product adopts the food level, and the investment is too big, is difficult to realize, and water purification plant quantity is less, and direct drinking water pipe network coverage is big, and the pipeline regularly washs, leak hunting difficulty, and intelligence can discover the leak source through level four to five measurement.
Water supply construction scheme 2: each district all disposes the system water station, and the system water station is too many, and quality of water is unable to be supervised, and the water station does not have the return water pipe, leads to the unable circulation of water to flow, and quality of water is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a city direct drinking water supply system which is convenient for leakage detection of a pipeline and can ensure the water quality.
In order to achieve the purpose, the invention adopts the following technical scheme
The embodiment of the invention provides an urban direct drinking water supply system, which comprises a direct drinking water production system, wherein the direct drinking water production system is connected with a circulating pipeline, the circulating pipeline is connected with a plurality of circulating pressurization systems, each circulating pressurization system comprises a direct drinking water tank, the direct drinking water tank is connected with the circulating pipeline through a water supplementing pipeline, the direct drinking water tank is connected with a direct drinking water supply pipe network of a user through a first water pump, and the direct drinking water tank is also connected with a direct drinking water return pipe network of the user through a return water disinfection device and a return water fine treatment device.
Optionally, the return water disinfection device adopts a micro-electrolysis sterilization device.
Optionally, install the moisturizing valve on the moisturizing pipeline, directly drink drinking water tank internally mounted has liquid level detection component, and moisturizing valve and liquid level detection component all are connected with control system, and liquid level detection component can give control system with the water level information transmission that detects, and control system controls the work of moisturizing valve according to received water level information.
Optionally, a water supply disinfection device and a direct drinking water supply flowmeter are sequentially arranged between the outlet of the water pump and the direct drinking water supply network.
Further, the water supply sterilizing device adopts an ultraviolet sterilizing device.
Optionally, the direct drinking water tank is internally provided with an immersed ultraviolet disinfection lamp, and is connected with a first disinfectant adding system.
Optionally, a return water flow meter is further mounted on a pipeline between the direct drinking water return pipe network and the direct drinking water tank of the user.
Optionally, the direct drinking water production system comprises a raw water tank, a pretreatment system, a core process system and a water purification tank which are sequentially connected, a water outlet of the water purification tank is connected with a water inlet end of the circulating pipeline through a second water pump, and a water return port of the water purification tank is connected with a water outlet end of the circulating pipeline through a fine treatment device and a water return disinfection device.
Optionally, the return water disinfection device adopts a micro-electrolysis sterilization device.
Optionally, a water supply disinfection device and a water supply flowmeter are arranged between the water outlet of the second water pump and the water inlet end of the circulating pipeline.
Further, the water supply disinfection device adopts an ultraviolet sterilization device.
Optionally, the raw water tank is connected with a second disinfectant adding system.
The invention has the beneficial effects that:
1. the water supply system of the invention, the arrangement of the circulating pressurization system, solves the problem that the water quality is difficult to ensure by the water supply of a single pipeline from a water purification plant to a user; the circulating pressurization system solves the problems that the coverage range of a water purification plant is wide, the diameter of direct drinking water is large, and the investment is difficult to bear due to the adoption of food-grade pipes; the water quality problem has been solved in the within range of the pressure loss of confession, return water pipe network, pipe network on the same journey design to the length scope that consequently supplies the return water pipe network to dwindle, lets the pressure loss of confession, return water pipe network at the within range of first water pump, and the water quality problem has been solved to the little that the cover area of circulation pressurization system ratio water purification plant is little, the city, has made things convenient for artifical pipeline leak hunting and washing moreover.
2. According to the water supply system, the arrangement of the circulating pressurization system enables a water supply source to be changed into a single annular water supply source, and compared with the arrangement of adding a same-process pipe network, the water supply system is easy to realize.
3. According to the water supply system, the circulation of the whole process without dead angles is realized by the arrangement of the circulating pressurization system, the water quality can be better ensured compared with a small-area in-situ water supply treatment mode, and the number of the circulating pressurization stations is obviously less than that of the water production stations compared with the small-area in-situ water supply treatment mode, so that the management is convenient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a circulating pressurizing station according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of a direct drinking water production system according to embodiment 1 of the present invention;
FIG. 4 is a schematic control diagram according to embodiment 1 of the present invention;
wherein, 1-water source; 2-a direct drinking water production system; 3-a circulation pipeline; 4-a cyclic pressurization station; 5-a direct drinking water supply pipe network for users; 6-pipeline in the same path; 7-a user direct drinking water return pipe network; 8-a raw water tank; 9-a second disinfectant adding system; 10-a pretreatment system; 11-core process system; 12-a special agent; 13-a clean water tank; 14-a second water supply disinfection device; 15-a water supply flow meter; 16-water source circulation ring network water supply; 17-a fine processing device; 18-a second backwater disinfection device; 19-a backwater flow meter; 20-water source circulation ring network backwater; 21-a water replenishing pipeline; 22-a water replenishing valve; 23-direct drinking water tank; 24-ultraviolet disinfection lamp; 25-a first disinfectant adding system; 26-a first water pump; 27-a first feed water disinfection device; 28-direct drinking water supply flow meter; 29-direct drinking water backwater flowmeter; 30-a first water return disinfection device; 31-a backwater fine treatment device; a 32-VPN private network; 33-a GPRS network; 33-return water fine treatment; 34-enterprise firewall; 35-a client; 36-information management platform.
Detailed Description
Example 1
The embodiment provides a city direct drinking water supply system, as shown in fig. 1, including direct drinking water production system 2, direct drinking water production system 2 can be connected with external water source 1, disinfects and purifies the water that external water source 1 flowed in, generates the direct drinking water that satisfies the water quality requirement, wherein the water quality of direct drinking water satisfies the requirements stipulated in "drinking purified water quality standard" (CJ94-2005) and "bottle (bucket) dress drinking purified water sanitation standard" (GB 17324-2003).
Direct drinking water production system 2 is connected with circulating line 3, and the water that direct drinking water production system flows can get into circulating line 3, and circulating line 3 can send back direct drinking water production system 2 with water again. The circulating pipeline 3 is connected with a plurality of circulating pressurization systems, the circulating pressurization systems adopt circulating pressurization stations 4, and the circulating pressurization stations are used for supplying direct drinking water in corresponding set area ranges.
In this embodiment, each cyclic pressurizing station covers an area within six kilometers of a cell, and the coverage of the water producing station for in-situ water supply treatment in the small area is wider.
After the direct drinking water is sent to each circulation pressurizing station through the circulation pipeline, the residual water flows back to the direct drinking water production system in a closed loop.
The circulation pressurization station is connected with the direct drinking water supply pipe network 5 of user, and the direct drinking water supply pipe network 5 of user is connected with the user side through the water supply branch pipe, and the return water branch pipe of user side is connected with journey pipeline 6, and the journey pipeline is connected with the direct drinking water return water pipe network 7 of user, and the direct drinking water return water pipe network 7 of user is connected with circulation pressurization station 4, realizes the circulation flow of direct drinking water.
In this embodiment, the setting up of circulation pressurization station lets water supply water source become single, and is cyclic annular, and the increase is easily realized with journey pipe network in comparison, and the area of circulation pressurization station is little a lot than water purification plant's area moreover, can set up a plurality of circulation pressurization stations, consequently supplies the length scope of return water pipe network to reduce, lets the loss of pressure of confession, return water pipe network in the within range of first water pump, has made things convenient for artifical pipeline leak hunting and clearance moreover.
As shown in FIG. 2, circulation pressurization station is including straight drinking water tank 23, and the return water of directly drinking water is received in storage and the receipt of regional directly drinking water, and the straight drinking water tank 23 material of this embodiment is SS304 stainless steel, and for polishing stainless steel, directly drinks the inside water tank degassing unit that is provided with of water tank 23, and water tank loudness device is submergence formula ultraviolet ray disinfection lamp 24 for disinfect to the water in the straight drinking water tank.
The direct drinking water tank is also provided with a first disinfectant adding system 25, the first disinfectant adding system 25 adopts a non-high temperature sterilization technology-an ozone technology in a food safety technology, secondary pollution is not generated, the volume of the direct drinking water tank depends on 50% of the maximum daily drinking water amount, the first disinfectant adding system adopts the existing equipment, and the specific structure of the first disinfectant adding system is not described in detail herein. .
The direct drinking water tank 23 is connected with the circulating pipeline 3 through the water replenishing pipeline 21, and direct drinking water in the circulating pipeline 3 can enter the direct drinking water tank through the water replenishing pipeline 21.
In this embodiment, install moisturizing valve 22 on moisturizing pipeline 21, moisturizing valve 22 adopts electric control valve, and the moisturizing valve is connected with control system, can receive control system's instruction work, install liquid level detection component in the straight drinking water tank 23, liquid level detection component adopts level sensor, and level sensor is connected with control system, and when level sensor detected that the water level in the straight drinking water tank 23 is less than the setting value, control system control moisturizing valve is opened, and straight drinking water in the circulating line 3 passes through moisturizing pipeline 21 and gets into straight drinking water tank, carries out the moisturizing to straight drinking water tank 23, has realized automatic water supply.
The direct drinking water tank 23 is connected with the direct drinking water supply network 5 of the user through the first water pump 26, the first water pump 26 can enable the water pump in the direct drinking water tank to enter the direct drinking water supply network 5, the direct drinking water supply network 5 is connected with the user side through the water supply branch pipe, and direct drinking water can be provided for the user.
A first water supply sterilizing device 27 and a direct drinking water supply flowmeter 28 are sequentially arranged on a pipeline between the outlet of the first water pump 26 and the direct drinking water supply pipe network 5 of the user.
The first feed water sterilizing device 27 in the present embodiment may be an ultraviolet sterilizing device, and may be an existing ultraviolet sterilizing apparatus, and the specific structure thereof will not be described in detail.
The direct drinking water tank 23 is also connected with a direct drinking water return pipe network 7 of the user for the direct drinking water return pipe network is connected with a same-pass pipeline, and the same-pass pipeline 6 is connected with a plurality of return water branch pipes connected with user ends.
In order to improve the quality of direct drinking water of the pipeline, reduce secondary pollution and realize hydraulic balance of pipe network water supply, the supply and return water of an outdoor main pipe network, a pipeline well branch pipe network and an indoor household pipe network are all 'full-circulation same-journey systems'.
A direct drinking water return water flow meter 29, a first return water sterilizing device 30 and a return water fine treatment device 31 are arranged between the direct drinking water tank 23 and the direct drinking water return pipe network 7 of the user, the return water fine treatment device adopts a water fine filter, the first return water sterilizing device and the return water fine treatment device adopt the existing equipment, and the specific structure of the device is not described in detail herein.
The return water that directly drinks after regional end use through the transport of pipe network, has only increased partial suspended solid, a small amount of microorganism, and quality of water changes very little, and for guaranteeing quality of water, the return water is handled through the smart processing apparatus 31 of return water, first return water degassing unit 30, guarantees quality of water.
The first return water disinfection device 30 adopts a micro-electrolysis disinfection device, and the disinfection of the direct drinking water in the embodiment adopts ozone, micro-electrolysis disinfection and ultraviolet combined disinfection technology. The sterilizing effect is as high as more than 99.99 percent, the sterilizing device has strong continuous sterilizing capability, belongs to a sterilizer in a pure physical mode, does not change the chemical and physical properties of water in the sterilizing process, is convenient and safe to use, and does not have any side effect.
As shown in fig. 3, the direct drinking water production system comprises a raw water tank 8, a pretreatment system 10, a core process system 11 and a water purification tank 13 which are connected in sequence, and is used for treating water at an external water source, removing harmful substances such as bacteria in the water, reserving trace elements and mineral substances beneficial to human bodies, delivering purified high-quality water to each household through pipelines, and enabling users to directly drink the water by opening a faucet.
The water preparation process of the pipeline direct drinking water is clean and pollution-free, a small amount of concentrated water generated in the water preparation process can be used for green land irrigation, car washing and the like, the water utilization rate reaches up to 100 percent, the pipeline direct drinking water can be drunk without being boiled, the energy consumption of natural gas, electricity, coal and the like is greatly reduced, and the water supply mode has no secondary pollution.
The raw water tank 8 is made of SS304 stainless steel, the raw water tank is connected with the second disinfectant adding system 9, the second disinfectant adding system 9 and the first disinfectant adding system are identical in structure, a non-high-temperature sterilization technology in a food safety technology, namely an ozone technology, is adopted, secondary pollution is not generated, the second disinfectant adding system only adopts the existing equipment, detailed description is omitted, and the volume of the raw water tank 8 depends on 20% of the maximum daily water intake.
Raw water in the sterilized raw water tank is pressurized and conveyed to a pretreatment system 10, a pressure pump is arranged between the pretreatment system 10 and the raw water tank 8, suspended solids, microorganisms, colloidal substances, organic substances, peculiar smell, residual chlorine and partial heavy metal ions are required to be removed from the pretreatment system 10, deposition of insoluble salts, iron, manganese, aluminum, silicon compounds and the like on the surface of a membrane is inhibited, the pretreatment system adopts a combined process of filtration and activated carbon adsorption, and ozone addition of the raw water tank is added, so that organic pollutants in water are removed most effectively. The pretreatment system comprises a multi-medium filter and an activated carbon filter which are arranged in series, and the multi-medium filter only needs to select a filter medium according to actual needs, which is not described in detail herein.
The water after the pretreatment system 10 enters a core process system 11, and the core process system 11 is mainly used for keeping beneficial factors in the water source water and further reducing turbidity and CODMnAnd indexes such as residual chlorine, disinfection byproducts, sulfate and the like, properly reduce the total hardness and the soluble solids, improve sensory indexes, keep good mouthfeel and reach the direct drinking standard.
The process of the core process section system 11 is a membrane treatment process, various membrane purification technologies have specific application ranges, and the membrane purification technologies are selected according to the water quality characteristics of direct drinking water sources in various places and specific conditions such as the requirements of users on drinking water and the like. The core process section system adopts membrane process water treatment equipment, such as nanofiltration water treatment equipment or ultrafiltration water treatment equipment or reverse osmosis water treatment equipment, an online water quality detection is arranged on a water supply network, a water quality detection numerical value is used as a fixed value, the water quality fluctuates, and a flow control valve on a water outlet pipeline of the membrane process water treatment equipment adjusts the water proportioning amount. Until reaching the preset water quality.
Connected with the core process section 11 is a water purification tank, the pipeline direct drinking water with qualified water quality enters the water purification tank 13, the water purification tank also has the function of water return after storage treatment, and the volume of the water purification tank 13 depends on 40% of the highest daily drinking water amount.
The water outlet of the water purifying tank 13 is connected with the water inlet end of the circulating pipeline, and the water return port of the water purifying tank 13 is connected with the water outlet end of the circulating pipeline 3.
The delivery port of water purification case 13 is connected through the second water pump and the end of intaking of circulating line for provide water source circulation looped netowrk and supply water 16, the second water pump can be gone into the circulating line with the straight drink water pump in the water purification case 13 and circulate, and is provided with second water supply degassing unit 14 and water supply flowmeter 15 between the delivery port of second water pump and the end of intaking of circulating line, in this embodiment, the second water supply degassing unit adopts ultraviolet germicidal device.
A fine processing device 17, a second backwater sterilizing device 18 and a backwater flowmeter 19 are arranged between the backwater port of the purified water tank 13 and the water outlet end of the circulating pipeline. The water return port of the water purification tank is connected with the water outlet end of the circulating pipeline to form water source circulating ring network backwater 20. The fine treatment device adopts the existing water precision filter.
The second backwater sterilizing device adopts the existing electrolytic sterilizing device.
The return water after water supplement in the circulating pressurization station 4 is conveyed through the pipe network, only partial suspended matters and a small amount of microorganisms are added, the water quality changes slightly, and in order to ensure the water quality, the return water passes through the fine treatment device and the second return water disinfection device, so that the water quality is ensured.
The disinfection adopts the disinfection technology combining ozone, micro-electrolysis sterilization and ultraviolet rays. The sterilizing effect is as high as more than 99.99 percent, the sterilizing device has strong continuous sterilizing capability, belongs to a sterilizer in a pure physical mode, does not change the chemical and physical properties of water in the sterilizing process, is convenient and safe to use, and does not have any side effect.
Before the core process section 11, a special medicament 12 is used, in order to protect a membrane component in the core process, prolong the service life of the membrane and effectively reduce the operation cost, before the membrane enters the core process, a high-efficiency special scale inhibitor is added, which can improve the saturation of insoluble substances in water and has the dosage of about 3-5 ppm. The scale inhibitor is an existing non-phosphorus organic compound, cannot generate eutrophication influence on natural water after being discharged, and is an environment-friendly product.
In the embodiment, as shown in fig. 4, the first water pump, the second water pump, the pressurizing pump, the liquid level sensor, each flow meter and other devices are all connected to the control system, and the control system is connected to the informatization management platform.
To straight drinking water production system: the system can display the states of the pump and the valve equipment, important operation data and water quality parameters in real time, and also has a video monitoring and displaying function.
For the cyclic pressurization station: and displaying the running conditions of the pump and the valve, production running data and water quality parameters in real time.
To the direct drinking water supply pipe network of user, the direct drinking water return pipe network of user: and displaying the flow and the pressure measuring point in real time.
The direct drinking water production system passes through the VPN private network 32; a large amount of data collected by relevant elements on the circulating pressurization station, the direct drinking water supply pipe network of the user and the direct drinking water return pipe network of the user are transmitted to the client machine 35 through the enterprise firewall 34 and then transmitted to the urban pipeline direct drinking water production informatization management platform 36.
The system can dynamically display operation pictures, detailed real-time operation process data and equipment operation data in a full three-dimensional image manner on an urban pipeline direct drinking water production informatization management platform; the omnibearing remote monitoring function can remotely control partial equipment and modify partial technological parameters.
The direct drinking water supply system adopts a direct drinking water production system and a circulating pressurization station matching technology, a double-mirror water tank technology, a water tank technology with an immersed ultraviolet lamp, a combined filtering technology, a membrane proportioning technology, a combined disinfection technology, a membrane special scale inhibitor technology, a water pump variable frequency control technology, a totally-enclosed same-stroke circulation technology, a pipe network leakage rate reducing technology and a production informatization management platform technology.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a city is water supply system directly drunk, a serial communication port, including straight drinking water production system, straight drinking water production system is connected with circulating line, circulating line is connected with a plurality of circulation pressurization systems, circulation pressurization system includes straight drinking water tank, straight drinking water tank passes through moisturizing pipeline and is connected with circulating line, straight drinking water tank is connected with the straight drinking water supply pipe network of user through first water pump, straight drinking water tank still passes through return water degassing unit and the fine processing apparatus of return water and is connected with the straight drinking water return pipe network of user.
2. The city direct drinking water supply system of claim 1, wherein the return water sterilizing device adopts a micro-electrolysis sterilizing device.
3. The city direct drinking water supply system according to claim 1, wherein a water replenishing valve is installed on the water replenishing pipeline, a liquid level detecting element is installed inside the direct drinking water tank, the water replenishing valve and the liquid level detecting element are both connected with the control system, the liquid level detecting element can transmit detected water level information to the control system, and the control system controls the water replenishing valve to operate according to the received water level information.
4. The city direct drinking water supply system of claim 1, wherein a water supply sterilizing device and a direct drinking water supply flow meter are sequentially arranged between the outlet of the water pump and the direct drinking water supply network;
further, the water supply sterilizing device adopts an ultraviolet sterilizing device.
5. The city direct drinking water supply system as claimed in claim 1, wherein an immersed ultraviolet disinfection lamp is arranged inside the direct drinking water tank, and the direct drinking water tank is connected with a first disinfectant adding system.
6. The city direct drinking water supply system of claim 1, wherein a return water flow meter is further installed on a pipeline between the user direct drinking water return pipe network and the direct drinking water tank.
7. The city direct drinking water supply system of claim 1, wherein the direct drinking water production system comprises a raw water tank, a pretreatment system, a core process system and a clean water tank which are connected in sequence, a water outlet of the clean water tank is connected with a water inlet end of the circulating pipeline through a second water pump, and a water return port of the clean water tank is connected with a water outlet end of the circulating pipeline through a fine treatment device and a water return disinfection device.
8. The city direct drinking water supply system of claim 7, wherein the return water sterilizing device adopts a micro-electrolysis sterilizing device.
9. The city direct drinking water supply system of claim 1, wherein a water supply sterilizing device and a water supply flow meter are provided between the water outlet of the second water pump and the water inlet end of the circulation pipe;
further, the water supply disinfection device adopts an ultraviolet sterilization device.
10. The city direct drinking water supply system of claim 1, wherein the raw water tank is connected with a second disinfectant adding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210361311.5A CN114635474A (en) | 2022-04-07 | 2022-04-07 | Urban direct drinking water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210361311.5A CN114635474A (en) | 2022-04-07 | 2022-04-07 | Urban direct drinking water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114635474A true CN114635474A (en) | 2022-06-17 |
Family
ID=81951421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210361311.5A Pending CN114635474A (en) | 2022-04-07 | 2022-04-07 | Urban direct drinking water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114635474A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864788A (en) * | 2010-06-11 | 2010-10-20 | 长沙水杯子直饮水工程设备有限公司 | Concentrated production and dispersing and circulating delivery method of urban direct drinking water |
| CN201614324U (en) * | 2009-11-27 | 2010-10-27 | 中冶东方工程技术有限公司 | Purification and delivery system for city pipeline direct drinking water |
| CA2959903A1 (en) * | 2016-03-03 | 2017-09-03 | Uponor Innovation Ab | System and method for flushing a drinking water installation |
| CN206646581U (en) * | 2017-04-13 | 2017-11-17 | 广州衡茂环保科技有限公司 | A kind of zero stagnant water loop branch pipe pipe network system of piped direct-drinking water |
| CN207775984U (en) * | 2018-01-09 | 2018-08-28 | 中冶东方工程技术有限公司 | Direct-drinking water pipeline system |
| CN208151133U (en) * | 2018-01-26 | 2018-11-27 | 青岛埃森特净水科技有限公司 | A kind of direct drinking water system |
| CN211226771U (en) * | 2019-11-27 | 2020-08-11 | 成都川力智能流体设备股份有限公司 | Multi-loop circulating sterilization system for pipeline direct drinking water and direct drinking water supply system |
| CN112429894A (en) * | 2020-12-07 | 2021-03-02 | 广东安芯科技有限公司 | Direct-drinking water purifying and supplying system |
| CN215049377U (en) * | 2021-03-03 | 2021-12-07 | 厦门软件职业技术学院 | Thing allies oneself with fuses straight drinking water system of pipeline |
-
2022
- 2022-04-07 CN CN202210361311.5A patent/CN114635474A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201614324U (en) * | 2009-11-27 | 2010-10-27 | 中冶东方工程技术有限公司 | Purification and delivery system for city pipeline direct drinking water |
| CN101864788A (en) * | 2010-06-11 | 2010-10-20 | 长沙水杯子直饮水工程设备有限公司 | Concentrated production and dispersing and circulating delivery method of urban direct drinking water |
| CA2959903A1 (en) * | 2016-03-03 | 2017-09-03 | Uponor Innovation Ab | System and method for flushing a drinking water installation |
| CN206646581U (en) * | 2017-04-13 | 2017-11-17 | 广州衡茂环保科技有限公司 | A kind of zero stagnant water loop branch pipe pipe network system of piped direct-drinking water |
| CN207775984U (en) * | 2018-01-09 | 2018-08-28 | 中冶东方工程技术有限公司 | Direct-drinking water pipeline system |
| CN208151133U (en) * | 2018-01-26 | 2018-11-27 | 青岛埃森特净水科技有限公司 | A kind of direct drinking water system |
| CN211226771U (en) * | 2019-11-27 | 2020-08-11 | 成都川力智能流体设备股份有限公司 | Multi-loop circulating sterilization system for pipeline direct drinking water and direct drinking water supply system |
| CN112429894A (en) * | 2020-12-07 | 2021-03-02 | 广东安芯科技有限公司 | Direct-drinking water purifying and supplying system |
| CN215049377U (en) * | 2021-03-03 | 2021-12-07 | 厦门软件职业技术学院 | Thing allies oneself with fuses straight drinking water system of pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205933500U (en) | Water good quality ization system | |
| CN212198861U (en) | Intelligent water supply and return device for integrated direct drinking water | |
| CN102603093B (en) | Device for water treatment plant | |
| CN105060593A (en) | Central water purifier adopting nano-angstrom combined membrane filtration | |
| CN106436814A (en) | Multistage direct drinking water pipeline pressurizing intelligent water supply system for super high-rise building | |
| CN206109117U (en) | Primary filter and storage system | |
| CN205676278U (en) | A kind of bottled pure water dual water supplying system reverse osmose pure-water system | |
| CN201254499Y (en) | Central type drinking water purification system | |
| CN210030123U (en) | Self-adaptive intelligent control water purification system | |
| CN210065261U (en) | Movable district pipeline direct drinking water purification system | |
| CN114635474A (en) | Urban direct drinking water supply system | |
| CN201614324U (en) | Purification and delivery system for city pipeline direct drinking water | |
| CN201634524U (en) | Advanced treatment equipment for refinery sewage | |
| CN202968299U (en) | Ultraviolet sterilization straight water dispenser | |
| Ma et al. | Application of membrane technology for drinking water | |
| CN214784417U (en) | Direct drinking water regional water supply system of annular water supply pipe network | |
| CN210065262U (en) | Reverse osmosis membrane and receive filter membrane water purification system | |
| CN205473011U (en) | Dual water supply system | |
| CN203999229U (en) | A kind of ultrafiltration and reverse osmosis composition type clear water equipment | |
| CN204958630U (en) | Receive, dust unites membrane filtration central authorities purifier | |
| CN212425706U (en) | Open-air multi-functional intelligent solar water supply installation | |
| CN207435227U (en) | A kind of reverse osmosis equipment water saving fixtures | |
| CN113087209A (en) | Water purification equipment with taste adjusting function | |
| CN206985928U (en) | A kind of drinking water system | |
| CN204326168U (en) | There is water quality guarantee and the secondary water supply system improving function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |