CN103808650A - Water supply pipeline bio-membrane washout testing device and method capable of regulating hydraulic condition - Google Patents
Water supply pipeline bio-membrane washout testing device and method capable of regulating hydraulic condition Download PDFInfo
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- CN103808650A CN103808650A CN201410026164.1A CN201410026164A CN103808650A CN 103808650 A CN103808650 A CN 103808650A CN 201410026164 A CN201410026164 A CN 201410026164A CN 103808650 A CN103808650 A CN 103808650A
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Abstract
The invention discloses a water supply pipeline bio-membrane washout testing device and method capable of regulating a hydraulic condition. The water supply pipeline bio-membrane washout testing device comprises a water charging system, a pipeline system, a hydraulic regulating system and a water discharging system, wherein the water charging system comprises a water tank, a water replenishing pump, a water charging pipe and a water charging valve; the water tank, the water replenishing pump and the water charging valve are connected with the pipeline system through the water charging pipe; the pipeline system comprises a connecting pipe, a sterilizing pipe and a test replaceable pipe; the connecting pipe is used for forming two circulating loops; the hydraulic regulating system is mounted on the connecting pipe in the middle of the loops; the hydraulic regulating system comprises a circulating pump, an electric gate valve, a manual butterfly valve, a flow meter and a pressure sensor; the water discharging system comprises a water discharging valve and exhausting valves; the water discharging valve is mounted at the lower end of the connecting pipe, and the exhausting valves are mounted at the middle end and the high end of the connecting pipe. The water supply pipeline bio-membrane washout testing device disclosed by the invention is suitable for simulating the hydraulic operating conditions of various actual pipelines, simple in structure, convenient to operate and high in simulation accuracy.
Description
Technical field
The present invention relates to water supply line biological membrane washout test field, relate in particular to a kind of water supply line biological membrane washout test device and method of adjustable waterpower condition.
Background technology
Along with the raising of expanding economy and living standards of the people, people also day by day increase the requirement of drinking water quality, and as the water supply network connecting between waterworks and user, its impact on drinking water quality has caused social extensive concern.
Due to the decay of chlorine residue, the reason such as intrusion, the variation of hydraulics of nutriment, the growth and breeding in pipeline of the microbes in potable water, microbial adhesion is in inner-walls of duct and can form stable biological membrane.In the time that in water supply network, hydraulics changes, as no end for a long time reuses, booster etc., can exert an influence to the biomembranous stability of tube wall, even make biofilm detachment and enter water body, cause the deterioration of drinking water quality in pipe network, affect people's water safety.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art.Thereby the water supply line biological membrane washout test device and method that provides a kind of adjustable waterpower condition to simulate multiple hydraulics in actual water supply network.
The water supply line biological membrane washout test device of adjustable waterpower condition comprises water inlet system, pipe system, and water inlet system comprises connected in turn water tank (1), small pump (2), water inlet pipe (3) and water intaking valve (21), pipe system comprises the first connecting pipe (5), the second connecting pipe (6), the 3rd connecting pipe (7), the first connecting pipe (5) and the second connecting pipe (6) form a loop, and the second connecting pipe (6) and the 3rd connecting pipe (7) form a loop, are from left to right provided with in turn first row air valve (4) on the second connecting pipe (6), ebullator (8), second row air valve (26), flowmeter (19), electric gate valve (20), the upper clockwise direction of the first connecting pipe (5) is provided with the first pressure transducer (9) successively, the first cuff (10), pipe (11) is replaced in the first test, the second cuff (12), the second pressure transducer (13), the first outlet valve (23), the first Hand-operated butterfly valve (22), the first test is replaced pipe (11) by the first cuff (10), the second cuff (12) is fixing, upper the 3rd pressure transducer (14) that is counterclockwise provided with successively of the 3rd connecting pipe (7), the 3rd cuff (15), pipe (16) is replaced in the second test, quadruplet hoop (17), the 4th pressure transducer (18), the second outlet valve (25), the second Hand-operated butterfly valve (24), the second test is replaced pipe (16) by the 3rd cuff (15), quadruplet hoop (17) is fixing, and water inlet system is connected with the second connecting pipe (6) by water intaking valve (21).
Described the first connecting pipe (5), the second connecting pipe (6), the 3rd connecting pipe (7) are high density polyethylene pipe, and the first connecting pipe (5) caliber is DN150mm, and the second connecting pipe (6) caliber is DN150mm, and the 3rd connecting pipe (7) caliber is DN80mm.
The described available maximum flow of ebullator (8) is that 120m3/h, H-Max are 11m; Described electric gate valve (20) can manually arrange open degree and opening time, and experiment condition can be determined by the first pressure transducer (9), the second pressure transducer (13), the 3rd pressure transducer (14), the 4th pressure transducer (18) and flowmeter (19).
The step of the flushing method of the water supply line biological membrane washout test device of adjustable waterpower condition is as follows:
1) first in the first connecting pipe (5) test is replaced pipe (11) sterilization high density polyethylene pipe and is substituted, and the test of second in the 3rd connecting pipe (7) is replaced pipe (16) sterilization high density polyethylene pipe and substituted;
2) small pump (2) pumps water from water tank (1), water enters pipe system by water intaking valve (21);
3) open one of them of two loops according to experimental channel the choice of diameter, in the time selecting the loop of the first connecting pipe (5) and the second connecting pipe (6) composition, close the second Hand-operated butterfly valve (24), water enters pipe system and flows counterclockwise from water intaking valve (21), loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve (20) and the first Hand-operated butterfly valve (22) are opened to maximum, ON cycle pump (8), operation 12h carries out sufficiently sterilised;
In the time selecting the loop of the 3rd connecting pipe (7) and the second connecting pipe (6) composition, close the first Hand-operated butterfly valve (22), water enters pipe system and flows clockwise from water intaking valve (21), loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve (20) and the second Hand-operated butterfly valve (24) are opened to maximum, ON cycle pump (8), and operation 12h carries out sufficiently sterilised;
4) after having sterilized, device water discharging, remove sterilization high density polyethylene pipe, sterilization in the first connecting pipe (5) is replaced pipe (11) with high density polyethylene pipe with the first test and is substituted, and the sterilization in the 3rd connecting pipe (7) is replaced pipe (16) with high density polyethylene pipe with the second test and substituted;
5) intake in pipe system by water inlet system, pipe system is full of after water, according to test, the initial open degree of electric gate valve (20) need to be set, ON cycle pump (8), electric gate valve (20) final state open degree and required opening time are set, according to flowmeter (19) fine setting motorized valve (20), be adjusted to the required hydraulics of test, according to different test needs, the cooperation that can pass through electric gate valve (20), the first Hand-operated butterfly valve (22) or the second Hand-operated butterfly valve (24) opens and closes and meets the different hydraulic regimes that slowly change and change rapidly;
6) reach after experimental period, collect water sample from first row water valve (23) or second row water valve (25), close down ebullator (8), the pipeline biological membrane of pipe (11) or the second test replacement pipe (16) is replaced in collection the first test.
Advantage of the present invention: 1) device experiment is replaceable with pipe, can test the pipeline of multiple different tubing.2) device is provided with electric gate valve and Hand-operated butterfly valve, can simulate different hydraulics, tests different hydraulics to the biomembranous impact of pipeline.3) electric gate valve and Hand-operated butterfly valve are used in conjunction with, and can test hydraulics and slowly change and change the biomembranous Different Effects of pipeline rapidly.4) connecting pipe adopts high density polyethylene pipe, has reduced as much as possible the impact of connecting pipe microorganism.5) flow sensor and pressure transducer can real-time monitoring device in flow and pressure change, without personnel's operation, save manpower.
Accompanying drawing explanation
Fig. 1 is the water supply line biological membrane washout test setting plane of adjustable waterpower condition;
Fig. 2 is the water supply line biological membrane washout test assembly axis mapping of adjustable waterpower condition;
In figure: water tank 1, small pump 2, water inlet pipe 3, first row air valve 4, the first connecting pipe 5, the second connecting pipe 6, the 3rd connecting pipe 7, ebullator 8, the first pressure transducer 9, the first cuff 10, pipe 11 is replaced in the first test, the second cuff 12, the second pressure transducer 13, the 3rd pressure transducer 14, the 3rd cuff 15, pipe 16 is replaced in the second test, quadruplet hoop 17, the 4th pressure transducer 18, flowmeter 19, electric gate valve 20, water intaking valve 21, the first Hand-operated butterfly valve 22, the first outlet valve 23, the second Hand-operated butterfly valve 24, the second outlet valve 25, second row air valve 26.
Embodiment
As depicted in figs. 1 and 2, the water supply line biological membrane washout test device of adjustable waterpower condition comprises water inlet system, pipe system, and water inlet system comprises connected in turn water tank 1, small pump 2, water inlet pipe 3 and water intaking valve 21, pipe system comprises the first connecting pipe 5, the second connecting pipe 6, the 3rd connecting pipe 7, the first connecting pipes 5 and the second connecting pipe 6 form a loop, and the second connecting pipe 6 and the 3rd connecting pipe 7 form a loop, are from left to right provided with in turn first row air valve 4 on the second connecting pipe 6, ebullator 8, second row air valve 26, flowmeter 19, on electric gate valve 20, the first connecting pipes 5, clockwise direction is provided with the first pressure transducer 9 successively, the first cuff 10, pipe 11 is replaced in the first test, the second cuff 12, the second pressure transducer 13, the first outlet valve 23, the first Hand-operated butterfly valve 22, the first tests are replaced pipe 11 by the first cuff 10, the second cuff 12 is fixing, is counterclockwise provided with successively the 3rd pressure transducer 14 on the 3rd connecting pipe 7, the 3rd cuff 15, pipe 16 is replaced in the second test, quadruplet hoop 17, the 4th pressure transducer 18, the second outlet valve 25, the second Hand-operated butterfly valve 24, the second tests are replaced pipe 16 by the 3rd cuff 15, quadruplet hoop 17 is fixing, and water inlet system is connected with the second connecting pipe 6 by water intaking valve 21.
Described pipe system is provided with 1% the gradient, slope aspect right-hand member, and 1 ton of water tank capacity, small pump rated flow 20m3/h, rated head 25m, inlet pipeline caliber DN32mm, water intaking valve is located at the low side of the second connecting pipe 6, is conducive to exhaust.Pipe system comprises two loops, one of them loop is made up of the first connecting pipe 5 and the second connecting pipe 6, for washing away the various pipelines of actual pipe network DN150mm, another loop is made up of the second connecting pipe 6 and the 3rd connecting pipe 7, for washing away the various pipelines of actual pipe network DN80mm, the long 7.5m of each loop, wide 0.8m, the pipeline that respectively intercepts out 500mm on the first connecting pipe 5 and the 3rd connecting pipe 7 is as sterilization high density polyethylene pipe, and the reserved place after intercepting replaces pipe for installation test.Ebullator 8, flowmeter 19, electric gate valve 20, the first Hand-operated butterfly valve 22, the second Hand-operated butterfly valve 24, the first pressure transducer 9, the second pressure transducer 13, the 3rd pressure transducer 14, the 4th pressure transducer 18 form waterpower adjustment system, ebullator 8 rated flow 120 m3/h, rated head 11m, flow is by flowmeter 19 Real-Time Monitorings; Electric gate valve 20 can manually arrange open degree and opening time, and water volume flow rate in regulating device is simulated the keying of valve in actual pipe network; The first Hand-operated butterfly valve 22, the second Hand-operated butterfly valve 24 can coordinate electric gate valve control device flow velocity, and open the speed pass actual booster of simulation and some unfavorable operating modes by speed; The first pressure transducer 9, the second pressure transducer 13, the 3rd pressure transducer 14, the 4th pressure transducer 18 can change by real-time monitoring device pressure.The diameter of the first outlet valve 23 and the second outlet valve 25 is DN32mm; Second row air valve 26 is arranged on the second connecting pipe 6 middle-ends, and first row air valve 4 is arranged on the high-end of the second connecting pipe 6.
Described the first connecting pipe 5, the second connecting pipe 6, the 3rd connecting pipe 7 are high density polyethylene pipe, and the first connecting pipe 5 calibers are DN150mm, and the second connecting pipe 6 calibers are DN150mm, and the 3rd connecting pipe 7 calibers are DN80mm.
The described available maximum flow of ebullator 8 is that 120m3/h, H-Max are 11m; Described electric gate valve 20 can manually arrange open degree and opening time, and experiment condition can be determined by the first pressure transducer 9, the second pressure transducer 13, the 3rd pressure transducer 14, the 4th pressure transducer 18 and flowmeter 19.
The step of the flushing method of the water supply line biological membrane washout test device of adjustable waterpower condition is as follows:
1) it is alternative that pipe 11 use sterilization high density polyethylene pipes are replaced in the test of first in the first connecting pipe 5, and it is alternative that pipe 16 use sterilization high density polyethylene pipes are replaced in the test of second in the 3rd connecting pipe 7;
2) small pump 2 pumps water from water tank 1, water enters pipe system by water intaking valve 21;
3) open one of them of two loops according to experimental channel the choice of diameter,
When select the first connecting pipe 5 and the second connecting pipe 6 to form loop time, close the second Hand-operated butterfly valve (24), water enters pipe system and flows counterclockwise from water intaking valve 21, now loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve 20 and the first Hand-operated butterfly valve 22 are opened to maximum, ON cycle pump 8, and operation 12h carries out sufficiently sterilised;
When select the 3rd connecting pipe 7 and the second connecting pipe 6 to form loop time, close the first Hand-operated butterfly valve (22), water enters pipe system and flows clockwise from water intaking valve 21, now loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve 20 and the second Hand-operated butterfly valve 24 are opened to maximum, ON cycle pump 8, and operation 12h carries out sufficiently sterilised;
4) after having sterilized, device water discharging, remove sterilization high density polyethylene pipe, the sterilization in the first connecting pipe 5 is replaced pipe 11 with high density polyethylene pipe the first test and is substituted, and the sterilization in the 3rd connecting pipe 7 is replaced pipe 16 with high density polyethylene pipe the second test and substituted;
5) intake in pipe system by water inlet system, pipe system is full of after water, according to test, the initial open degree of electric gate valve 20 need to be set, ON cycle pump 8, electric gate valve 20 final state open degree and required opening time are set, finely tune motorized valve 20 according to flowmeter 19, be adjusted to the required hydraulics of test, according to different test needs, can open and close and meet the different hydraulic regimes that slowly change and change rapidly by the cooperation of electric gate valve 20, the first Hand-operated butterfly valve 22 or the second Hand-operated butterfly valve 24;
6) reach after experimental period, collect water sample from first row water valve 23 or second row water valve 25, close down ebullator 8, collect the first test replacement pipe 11 or second and test the pipeline biological membrane of replacing pipe 16.
Claims (4)
1. a water supply line biological membrane washout test device for adjustable waterpower condition, is characterized in that comprising water inlet system and pipe system, and water inlet system comprises connected in turn water tank (1), small pump (2), water inlet pipe (3) and water intaking valve (21), pipe system comprises the first connecting pipe (5), the second connecting pipe (6), the 3rd connecting pipe (7), the first connecting pipe (5) and the second connecting pipe (6) form a loop, and the second connecting pipe (6) and the 3rd connecting pipe (7) form a loop, are from left to right provided with in turn first row air valve (4) on the second connecting pipe (6), ebullator (8), second row air valve (26), flowmeter (19), electric gate valve (20), the upper clockwise direction of the first connecting pipe (5) is provided with the first pressure transducer (9) successively, the first cuff (10), pipe (11) is replaced in the first test, the second cuff (12), the second pressure transducer (13), the first outlet valve (23), the first Hand-operated butterfly valve (22), the first test is replaced pipe (11) by the first cuff (10), the second cuff (12) is fixing, upper the 3rd pressure transducer (14) that is counterclockwise provided with successively of the 3rd connecting pipe (7), the 3rd cuff (15), pipe (16) is replaced in the second test, quadruplet hoop (17), the 4th pressure transducer (18), the second outlet valve (25), the second Hand-operated butterfly valve (24), the second test is replaced pipe (16) by the 3rd cuff (15), quadruplet hoop (17) is fixing, and water inlet system is connected with the second connecting pipe (6) by water intaking valve (21).
2. the water supply line biological membrane washout test device of a kind of adjustable waterpower condition according to claim 1, it is characterized in that: described the first connecting pipe (5), the second connecting pipe (6), the 3rd connecting pipe (7) are high density polyethylene pipe, the first connecting pipe (5) caliber is DN150mm, the second connecting pipe (6) caliber is DN150mm, and the 3rd connecting pipe (7) caliber is DN80mm.
3. the water supply line biological membrane washout test device of a kind of adjustable waterpower condition according to claim 1, is characterized in that the described available maximum flow of ebullator (8) is that 120m3/h, H-Max are 11m; Described electric gate valve (20) can manually arrange open degree and opening time, and experiment condition can be determined by the first pressure transducer (9), the second pressure transducer (13), the 3rd pressure transducer (14), the 4th pressure transducer (18) and flowmeter (19).
4. a flushing method for water supply line biological membrane washout test device as claimed in claim 1, is characterized in that its step is as follows:
1) first in the first connecting pipe (5) test is replaced pipe (11) sterilization high density polyethylene pipe and is substituted, and the test of second in the 3rd connecting pipe (7) is replaced pipe (16) sterilization high density polyethylene pipe and substituted;
Small pump (2) is pumps water from water tank (1), and water enters pipe system by water intaking valve (21);
3) open one of them of two loops according to experimental channel the choice of diameter, in the time selecting the loop of the first connecting pipe (5) and the second connecting pipe (6) composition, close the second Hand-operated butterfly valve (24), water enters pipe system and flows counterclockwise from water intaking valve (21), loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve (20) and the first Hand-operated butterfly valve (22) are opened to maximum, ON cycle pump (8), operation 12h carries out sufficiently sterilised;
In the time selecting the loop of the 3rd connecting pipe (7) and the second connecting pipe (6) composition, close the first Hand-operated butterfly valve (22), water enters pipe system and flows clockwise from water intaking valve (21), loop water-filling, operation sterilization, when sterilization, water chlorine residue is adjusted to 2.0mg/L, electric gate valve (20) and the second Hand-operated butterfly valve (24) are opened to maximum, ON cycle pump (8), and operation 12h carries out sufficiently sterilised;
4) after having sterilized, device water discharging, remove sterilization high density polyethylene pipe pipe, sterilization in the first connecting pipe (5) is replaced pipe (11) with effective the first test of high density polyethylene pipe and is substituted, and the sterilization in the 3rd connecting pipe (7) is replaced pipe (16) with high density polyethylene pipe with the second test and substituted;
5) intake in pipe system by water inlet system, pipe system is full of after water, according to test, the initial open degree of electric gate valve (20) need to be set, ON cycle pump (8), electric gate valve (20) final state open degree and required opening time are set, according to flowmeter (19) fine setting motorized valve (20), be adjusted to the required hydraulics of test, according to different test needs, the cooperation that can pass through electric gate valve (20), the first Hand-operated butterfly valve (22) or the second Hand-operated butterfly valve (24) opens and closes and meets the different hydraulic regimes that slowly change and change rapidly;
6) reach after experimental period, collect water sample from first row water valve (23) or second row water valve (25), close down ebullator (8), the pipeline biological membrane of pipe (11) or the second test replacement pipe (16) is replaced in collection the first test.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104330479A (en) * | 2014-11-27 | 2015-02-04 | 长沙理工大学 | Ultrasonic phased array automatic scanning device used for large-size curved-surface component |
| CN105713832A (en) * | 2016-04-13 | 2016-06-29 | 浙江大学 | Temperature-controllable biological membrane culture device for non-cyclical water supply pipeline and use method of biological membrane culture device |
| CN113607641A (en) * | 2021-08-06 | 2021-11-05 | 武汉华天园林集团有限公司 | Climbing plant adsorption capacity detection device and method |
| CN115607697A (en) * | 2022-09-28 | 2023-01-17 | 山东泰邦生物制品有限公司 | Sterilization transfer pipeline cleaning and sterilization device and process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607641A (en) * | 2021-08-06 | 2021-11-05 | 武汉华天园林集团有限公司 | Climbing plant adsorption capacity detection device and method |
| CN115607697A (en) * | 2022-09-28 | 2023-01-17 | 山东泰邦生物制品有限公司 | Sterilization transfer pipeline cleaning and sterilization device and process |
| CN115607697B (en) * | 2022-09-28 | 2024-09-17 | 山东泰邦生物制品有限公司 | Cleaning and sterilizing device and process for sterilizing transfer pipeline |
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Inventor after: Zhang Tuqiao Inventor after: Liu Jingqing Inventor after: Liu Ke Inventor after: Chen Tingting Inventor after: Hu Baolan Inventor after: Qiu Shangde Inventor after: Zhou Xiaoyan Inventor after: He Xiaofang Inventor before: Liu Jingqing Inventor before: Liu Ke Inventor before: Chen Tingting Inventor before: Hu Baolan Inventor before: Qiu Shangde Inventor before: Zhou Xiaoyan Inventor before: He Xiaofang |
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