CN108086398B - Water supply system for microorganism test of wading products - Google Patents
Water supply system for microorganism test of wading products Download PDFInfo
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- CN108086398B CN108086398B CN201810111629.1A CN201810111629A CN108086398B CN 108086398 B CN108086398 B CN 108086398B CN 201810111629 A CN201810111629 A CN 201810111629A CN 108086398 B CN108086398 B CN 108086398B
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- water
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- waterway
- water tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000012360 testing method Methods 0.000 title claims abstract description 65
- 244000005700 microbiome Species 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 18
- 230000001954 sterilising effect Effects 0.000 claims abstract description 16
- 230000000813 microbial effect Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000012009 microbiological test Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000011056 performance test Methods 0.000 abstract description 4
- 238000011990 functional testing Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000012372 quality testing Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 22
- 239000003651 drinking water Substances 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 6
- 238000011109 contamination Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
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
- E03B1/04—Methods or layout of installations for water supply for domestic or like local 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
- E03B7/07—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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides a wading product microorganism testing water supply system which is provided with a water inlet, wherein the water inlet is connected with a first waterway and a second waterway; the first waterway is connected to one input port of the main three-way valve; the second waterway is sequentially provided with a backflow blowout preventer, a water tank water inlet valve and a filter, the second waterway is communicated to a water tank, one side of the water tank is provided with a sterilization device, and the water tank is communicated to the other input port of the main three-way valve through a variable frequency pump; the output port of the main three-way valve is connected with a pressure regulating pipeline, and the downstream of the pressure regulating pipeline is connected with a plurality of test branches. The invention provides different water quality testing requirements required by the microorganism overall performance test and the functional test of the product through the change of the filter, the variable frequency pump, the sterilization device and the waterway, meets the water pressure and water flow rate requirements of the water quality of the water supply, and has the advantages of convenient operation, capability of ensuring the water supply, convenient use of all levels of testing units and the like.
Description
Technical Field
The invention relates to the field of environmental microorganisms, and relates to design and use of a wading product microorganism index test water supply system.
Background
Microbial contamination of source water and domestic drinking water is one of the biggest health hazard problems in China, and especially in underdeveloped areas, water-passing infectious diseases are still important diseases which are harmful to health. Microbial contamination of drinking water is a primary sanitary problem in water supply work in China. Along with the improvement of living standard, the requirements of masses on drinking water quality are improved, and wading products become the last defense line of drinking water. The national output of the state (sanitary safety and function evaluation Specification of Water quality processors for Drinking Water (2001), the ministry of health (2001) relating to the inspection of sanitary safety products for drinking Water) and other series of specifications, requirements for safety test of wading products are provided, but the requirements need to provide test water with different properties, and the test water enters the test products at different time intervals with corresponding different pressures and flow rates, so that higher requirements are provided for the test units.
By knowing that no water supply system required by microorganism test can be provided in relevant test units and third party detection mechanisms in each province and city, the water supply system for testing, which is convenient to operate and convenient to install, is urgently needed.
Disclosure of Invention
The invention aims at: provides a wading product microorganism test water supply system, solves the technical problems existing in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the wading product microorganism test water supply system is characterized by comprising a water inlet, wherein the water inlet is connected with a first waterway and a second waterway;
the first waterway is connected to one input port of the main three-way valve;
the second waterway is sequentially provided with a backflow blowout preventer, a water tank water inlet valve and a filter, the second waterway is communicated to a water tank, one side of the water tank is provided with a sterilization device, and the water tank is communicated to the other input port of the main three-way valve through a variable frequency pump;
the output port of the main three-way valve is connected with a pressure regulating pipeline, and the downstream of the pressure regulating pipeline is connected with a plurality of test branches.
The wading product microorganism test water supply system, wherein: the pressure regulating pipeline is provided with a main pressure gauge and a pressure regulating valve.
The wading product microorganism test water supply system, wherein: and each test branch is provided with a water meter, a secondary pressure meter and a test prototype and is finally connected to a water outlet sampling point.
The wading product microorganism test water supply system, wherein: the sterilization device is an ozone generator.
The wading product microorganism test water supply system, wherein: and a stirrer is also arranged in the water tank.
In conclusion, the invention has simple integral structure, can provide a plurality of different test modes, has high system integration level and simple and convenient operation, and fills the market blank.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Reference numerals illustrate: a water inlet 1; a main three-way valve 2; a return blowout preventer 3; a water tank inlet valve 4; a filter 5; a water tank 6; a drain line 61; a sterilization device 7; a stirrer 8; a variable frequency pump 9; a main pressure gauge 10; a pressure regulating valve 11; a water meter 12; a sub-pressure gauge 13; a sub three-way valve 14; a test prototype 15; and a water sampling point 16.
Detailed Description
As shown in FIG. 1, the invention provides a wading product microorganism test water supply system, which is provided with a water inlet 1, wherein the water inlet 1 is connected with a first waterway and a second waterway;
the first waterway is connected to one input port of the main three-way valve 2;
the second waterway is sequentially provided with a backflow blowout preventer 3, a water tank water inlet valve 4 and a filter 5, the second waterway is communicated with a water tank 6 provided with a drainage pipeline 61, one side of the water tank 6 is provided with a sterilization device 7 (such as an ozone generator), the water tank 6 is also provided with a stirrer 8, and the water tank 6 is communicated with the other input port of the main three-way valve 2 through a variable frequency pump 9;
the output port of the main three-way valve 2 is connected with a pressure regulating pipeline, the pressure regulating pipeline is provided with a main pressure gauge 10 and a pressure regulating valve 11, the downstream of the pressure regulating pipeline is connected with a plurality of test branches, and each test branch is provided with a water meter 12, a secondary pressure gauge 13, a secondary three-way valve 14 and a test prototype 15, and finally connected to a water outlet sampling point 16.
The invention adopts the structure and can provide the following four operation modes:
1. mode of test of overall microbial performance of wading products:
closing the water inlet valve 4 of the water tank, regulating the main three-way valve 2 to enable the first waterway to be communicated with the pressure regulating pipeline, enabling municipal pipe network water to enter the pressure regulating pipeline through the main three-way valve 2 and then enter the testing branch, and regulating the pressure regulator according to the reading of the auxiliary pressure gauge 13 to enable the pressure, the flow speed and the flow of the water flow entering the testing sample machine 15 to meet the design requirements.
2. Mode of test for microbial safety performance of wading products:
the main three-way valve 2 is regulated to enable the second waterway to be communicated with the pressure regulating pipeline, the water tank water inlet valve 4 is opened, municipal pipe network water enters the backflow blowout preventer 3 through the water inlet 1, then enters the water tank 6 after being purified into pure water through the filter 5, the sterilization device 7 is started, the pure water is sterilized and then stands for at least 30 minutes, the variable frequency pump 9 is started, the pure water in the water tank 6 enters each test branch through the main three-way valve 2, and finally enters the test sample machine 15 to carry out a test experiment.
3. Wading product microbial functionality test mode:
the main three-way valve 2 is regulated to enable the second waterway to be communicated with the pressure regulating pipeline, the water tank water inlet valve 4 is opened, municipal pipe network water enters the backflow blowout preventer 3 through the water inlet 1, enters the water tank 6 after being purified into pure water through the filter 5, the standard adding bacterial suspension is added into the water tank 6, the variable frequency pump 9 is started after the stirrer 8 is started to stir uniformly, standard adding water in the water tank 6 enters each testing branch through the main three-way valve 2, and finally enters the testing machine 15 to carry out a testing experiment. In this mode, the return blowout preventer 3 is capable of preventing the addition of standard microorganisms from contaminating municipal water supplies.
4. Mode of water product microbiological test water supply disinfection:
the main three-way valve 2 is regulated to enable the second waterway to be in a communicating state with the pressure regulating pipeline, the water tank water inlet valve 4 is opened, municipal pipe network water enters the backflow blowout preventer 3 through the water inlet 1, enters the water tank 6 after being purified into pure water through the filter 5, the sterilizing device 7 is started, the variable frequency pump 9 is started, sterilizing water containing ozone in the water tank 6 enters each testing branch through the main three-way valve 2, and water from the water outlet sampling point 16 can also enter from the water inlet 1 again, so that water is circularly supplied for sterilization for more than 30 minutes.
The invention can freely select the general performance test mode of the microorganism of the wading product, the safety performance test mode of the microorganism of the wading product or the functional test mode of the microorganism of the wading product in the process of testing various test prototypes 15. Therefore, the invention provides different water quality testing requirements required by the microorganism overall performance test and the functional test of the product through the change of the filter 5, the variable frequency pump 9, the sterilization device 7 and the waterway, meets the water pressure and water flow rate requirements of the water quality of the water supply, and has the advantages of convenient operation, ensured water supply, convenient use of all levels of testing units and the like.
During the intervals of replacing the test prototype 15 or switching test modes, the primary wading product microbiological test water supply disinfection mode should be enabled. The disinfection mode has no disinfectant residue, no disinfection by-product generation and no influence on the test result carried out in each test mode.
In conclusion, the invention has simple integral structure, can provide a plurality of different test modes, has high system integration level and simple and convenient operation, and fills the market blank.
The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (2)
1. The wading product microorganism test water supply system is characterized by comprising a water inlet, wherein the water inlet is connected with a first waterway and a second waterway;
the first waterway is connected to one input port of the main three-way valve;
the second waterway is sequentially provided with a backflow blowout preventer, a water tank water inlet valve and a filter, the second waterway is communicated to a water tank, one side of the water tank is provided with a sterilization device, the water tank is communicated to the other input port of the main three-way valve through a variable frequency pump, and a stirrer is further arranged in the water tank;
the output port of the main three-way valve is connected with a pressure regulating pipeline, and the pressure regulating pipeline is provided with a main pressure gauge and a pressure regulating valve; the downstream of the pressure regulating pipeline is connected with a plurality of test branches, and each test branch is provided with a water meter, a secondary pressure meter and a test prototype and is finally connected to a water outlet sampling point;
the wading product microbiological test water supply can provide the following four modes of operation:
mode of overall performance testing of wading product microorganisms:
closing a water inlet valve of the water tank, adjusting a main three-way valve to enable the first waterway to be communicated with the pressure regulating pipeline, enabling municipal pipe network water to enter the pressure regulating pipeline through the main three-way valve and then enter a test branch, and adjusting a pressure regulator according to the reading of an auxiliary pressure gauge to enable the pressure, the flow speed and the flow of water entering a test sample machine to meet design requirements;
(II) mode of testing microbial safety performance of wading products:
the main three-way valve is regulated to enable the second waterway to be communicated with the pressure regulating pipeline, the water tank water inlet valve is opened to enable municipal pipe network water to enter the backflow blowout preventer through the water inlet, the municipal pipe network water enters the water tank after being purified into pure water through the filter, the sterilization device is started to enable the pure water to be sterilized and then to stand, the variable frequency pump is started to enable the pure water in the water tank to enter each testing branch through the main three-way valve, and finally the pure water enters the testing machine to carry out testing experiments;
(III) mode of testing microbial functionality of wading products:
regulating a main three-way valve to enable a second waterway to be communicated with a pressure regulating pipeline, opening a water tank water inlet valve to enable municipal pipe network water to enter a backflow blowout preventer through a water inlet, purifying the municipal pipe network water into pure water through a filter, then entering a water tank, adding standard bacterial suspension into the water tank, starting a stirrer to stir uniformly, and then starting a variable frequency pump to enable standard water in the water tank to enter each test branch through the main three-way valve, and finally entering a test model machine to carry out a test experiment;
(IV) mode of water product microorganism test water supply system disinfection:
the main three-way valve is adjusted to enable the second waterway to be in a communication state with the pressure regulating pipeline, the water tank water inlet valve is opened, municipal pipe network water enters the backflow blowout preventer through the water inlet, the municipal pipe network water enters the water tank after being purified into pure water through the filter, the sterilizing device is started, the variable frequency pump is started, sterilized water in the water tank enters each testing branch through the main three-way valve, and water coming out from the water outlet sampling point can also enter from the water inlet again, so that water is circularly supplied for sterilization.
2. The wading product microbiological test water supply of claim 1, wherein: the sterilization device is an ozone generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111629.1A CN108086398B (en) | 2018-02-05 | 2018-02-05 | Water supply system for microorganism test of wading products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111629.1A CN108086398B (en) | 2018-02-05 | 2018-02-05 | Water supply system for microorganism test of wading products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108086398A CN108086398A (en) | 2018-05-29 |
| CN108086398B true CN108086398B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111629.1A Active CN108086398B (en) | 2018-02-05 | 2018-02-05 | Water supply system for microorganism test of wading products |
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| Country | Link |
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| CN (1) | CN108086398B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19700872A1 (en) * | 1997-01-06 | 1998-07-16 | Ufz Leipzighalle Gmbh | Method and device for groundwater testing |
| KR20020024927A (en) * | 2000-09-27 | 2002-04-03 | 백문구 | Filter tester |
| CN104122314A (en) * | 2014-08-12 | 2014-10-29 | 中科宇图天下科技有限公司 | Device and method for monitoring water quality biological toxicity by using microbial fuel cell |
| CN206020232U (en) * | 2016-09-12 | 2017-03-15 | 北京碧水源净水科技有限公司 | A kind of purifier test system |
| CN207959333U (en) * | 2018-02-05 | 2018-10-12 | 中国疾病预防控制中心环境与健康相关产品安全所 | Drinking water related product microorganism testing water system |
-
2018
- 2018-02-05 CN CN201810111629.1A patent/CN108086398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19700872A1 (en) * | 1997-01-06 | 1998-07-16 | Ufz Leipzighalle Gmbh | Method and device for groundwater testing |
| KR20020024927A (en) * | 2000-09-27 | 2002-04-03 | 백문구 | Filter tester |
| CN104122314A (en) * | 2014-08-12 | 2014-10-29 | 中科宇图天下科技有限公司 | Device and method for monitoring water quality biological toxicity by using microbial fuel cell |
| CN206020232U (en) * | 2016-09-12 | 2017-03-15 | 北京碧水源净水科技有限公司 | A kind of purifier test system |
| CN207959333U (en) * | 2018-02-05 | 2018-10-12 | 中国疾病预防控制中心环境与健康相关产品安全所 | Drinking water related product microorganism testing water system |
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| Publication number | Publication date |
|---|---|
| CN108086398A (en) | 2018-05-29 |
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