CN103883883A - Method for testing non-industrial water balance - Google Patents

Method for testing non-industrial water balance Download PDF

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CN103883883A
CN103883883A CN201410133172.6A CN201410133172A CN103883883A CN 103883883 A CN103883883 A CN 103883883A CN 201410133172 A CN201410133172 A CN 201410133172A CN 103883883 A CN103883883 A CN 103883883A
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inflow
consumption
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曾立新
朱坤
刘军
蒋明乾
郑青山
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Guizhou Jieyuan Water Management Engineering Co Ltd
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Abstract

The invention relates to the technical field of water supplying systems, and particularly discloses a method for testing non-industrial water balance. The method comprises the steps that according to water supplying pipelines, subsystems for testing the water balance are divided for a survey; testing periods are selected for conducting continuous tests, so that water use parameters are obtained; according to a flow path sequence from the water inflow of a main pipe to the water consumption of the water use subsystems, the water consumption of the subsystems for the water balance test is recorded item by item, and the water consumption of the different subsystems is collected; water leakage volumes of the different water use subsystems are calculated; the water consumption of the water use subsystems is divided by the water leakage volumes of a pipe network so that an error rate of the water use subsystems can be obtained; a leakage point is surveyed and repaired or replaced; a second test is conducted, the steps are repeated, and it is guaranteed that the water inflow is kept within the error range of +/- 5% of the water consumption. Through the tests, the leakage volume of the pipe network is calculated, the second test is conducted, whether the pipe network is safely operated or not and whether the leakage phenomenon appears or not are verified; a specific implementation scheme is provided; the purpose of water saving is achieved.

Description

A kind of non-technical water water balance test method
Technical field
The present invention relates to water system technical field, especially relate to the non-technical water water balance test method of the non-technical water units such as a kind of samll cities and towns, residential quarter and industry unit of public enterprise (thing).
Background technique
China is the country that a water resources lacks relatively, has up to a hundred town water supply shortage in 660 cities.City domestic water accounts for the more than 60% of urban water consumption, and the leak rate average rate of public water is up to 21.5%.
Due to the preciousness of water resources is lacked to correct understanding and water price cheap, existing samll cities and towns, there is the serious waste phenomenon such as the run, drip, leak (bright leakage, secretly leakage) of water system in the non-technical water unit water systems such as residential quarter and industry unit of public enterprise (thing).In water resources management process, lack objective technological scheme and effectively water system operation conditions is is quantitatively tested and assessed.Therefore, carrying out water balance test is to strengthen water scientific management, using water wisely and reasonable use of water element task to greatest extent.The meaning of water balance test is, can fully understand the netted condition of water unit tube by test, all departments (unit) water use status, draw water budget figure, according to the water yield data of measuring, find out water balance relation and reasonable use of water degree, take appropriate measures, excavate water potentiality, reach reinforcement water management, improve the object of reasonable use of water level.Water balance test is also the effective ways that water unit carried out to scientific management, further carries out especially the basis of city using water wisely work.
Also do not have at present effective water testing method to solve the problems referred to above, prior art is only mentioned the concept of non-technical water water balance test, there is no and illustrates its measurement method and step.And that this application patent has is a set of effective, and by the method for non-technical water water balance test of actual measurement---from pipe network operation situation and the terminal water data test to water parameter of testing and assessing, arrive again and calculate pipe network wastage, optimize pipe network, finally carry out second test, fuzzy concept in prior art that each has walked all elaborations, provides the method that can specifically implement of prior art and step.
Summary of the invention
Technical problem solved by the invention is to provide a kind of non-technical water water balance test method, the present invention arrives the test of water parameter by the network operation situation to pipe network and terminal water data, arrive again and calculate pipe network wastage, optimize pipe network, finally carry out second test, water consumption balance test, whether security of operation of checking pipe network, has or not leakage phenomena; Elaboration the process of concrete test, specific embodiment is provided.To samll cities and towns, the water quantitative of the non-technical water units such as residential quarter and industry unit of public enterprise (thing) is analyzed and suggestion, strengthens samll cities and towns, the water management of the non-technical water units such as residential quarter and industry unit of public enterprise (thing); Reach water-saving object.
In order to solve the problems of the technologies described above, the invention provides a kind of non-technical water water balance test method, comprising:
Step 1: according to supply channel, water unit or the department with relative independentability are divided into independent water system or unit, i.e. the subtense angle of water balance test, and each subtense angle is carried out to pipeline prospecting, the water data of evaluation and test terminal;
Step 2: select the test period, carry out continuity test, the water parameter of test comprises: inflow is with Q inflowrepresent, water consumption is with Q water consumptionrepresent, water leakage is with Q water leakagerepresent, circulation inflow is with Q circulation inflowrepresent;
Step 3: record item by item the water consumption of the subtense angle of described water balance test by the inflow by total main to the described flow sequence by water subsystem water consumption, gather the different described water consumptions with water subsystem;
In branched network, Q inflow=Q water consumption+ Q water leakage; In cyclic network of pipes, Q circulation inflow=Q water consumption+ Q quantity of circulating water+ Q water leakage; Calculate respectively the different described water leakages with water subsystem, the i.e. described pipe network wastage with water subsystem according to inflow formula;
According to the described described water consumption with water subsystem of the difference gathering, obtain preliminary conclusion, Q inflow≠ Q water consumption; With described pipe network wastage Q water leakagedivided by the described water consumption Q with water subsystem water consumptionobtain the described error rate with water subsystem, i.e. the described pipe network leak rate with water subsystem;
Step 4: optimize pipe network, carry out leakage points exploration to what have a wastage with water subsystem, determine after leakage points, described utensil or the pipeline of described terminal are repaired or replaced;
Step 5: second test, the described pipe network to maintenance or after changing carries out second test by the method for first test, and repeating said steps one, described step 2, described step 3 and described step 4 guarantee Q inflow=± 5%Q water consumption, complete water balance test.
Preferably, in described step 1, adopt pipe and cable detector to detect pipeline deployment scenarios and the depth of burying, and record the water data of terminal on described pipeline.
Be more preferably, in described step 1, the water data of described terminal comprises the intact degree of utensil of kind, water appliance quantity, water consumption and the water terminal of building storey, water appliance.
Be more preferably, in described step 2, described measurement period comprises 0 o'clock~6 o'clock morning,,,, at 6 o'clock~10 o'clock at 10 o'clock~14 o'clock at 14 o'clock~16 o'clock at 16 o'clock~18 o'clock and 18~24 o'clock.
Be more preferably, in described step 2, the time of carrying out continuity test comprises 24 hours, 48 hours or 72 hours.
The present invention is after water balance test finishes, this water balance test is done to a detailed report, the content of described report comprises: analyze the master, the odjective cause that form water consumption excess, the difference that record gathers uses the water consumption of water subsystem in non-technical water unit water balance test chart, photo after leak source full-page proof photo and repairing, the above content of leakage loss cause analysis; And back up, be convenient to webmaster key monitoring.By metrical instrument, as flowmeter; Add up and improve quantity and the water parameter of the different utensils by water terminal in water subsystem, or the electromagnetic flowmeter of installation teletransmission data carries out remote monitoring to pipe network.
The present invention compared with prior art, has following beneficial effect:
The invention provides a kind of non-technical water water balance test method, outstanding solved in prior art, only mention the test of non-technical water water balance concept and without the problem of practical methods.The present invention is by the monitoring to pipe network, the collection of data, arrangement, analysis, and water consumption balance test, whether security of operation of checking pipe network, has or not leakage phenomena.And this just in existing technologies institute do not have, the difficulty cann't be solved.To samll cities and towns, the water quantitative of the non-technical water units such as residential quarter and industry unit of public enterprise (thing) is analyzed, and the method that proposition is dealt with problems is strengthened samll cities and towns, the water management of the non-technical water units such as residential quarter and industry unit of public enterprise (thing); Reach water-saving object.
Accompanying drawing explanation
The schematic flow sheet of a kind of non-technical water of the present invention water balance test method that what Fig. 1 was exemplary show.
Embodiment
The technical problem that solved for a better understanding of the present invention, the technological scheme providing, below in conjunction with drawings and Examples, be further elaborated to the present invention.Specific embodiment described herein is only in order to explain enforcement of the present invention, but is not intended to limit the present invention.
In a preferred embodiment, preparation method's schematic flow sheet of a kind of non-technical water of the present invention water balance test method that what Fig. 1 was exemplary show, comprising:
A: according to supply channel, water unit or the department with relative independentability are divided into independent water system or unit, i.e. the subtense angle of water balance test, and each subtense angle is carried out to pipeline prospecting, the water data of evaluation and test terminal;
B: select the test period, carry out continuity test, the water parameter of test comprises: Q inflow, Q water consumption, Q water leakage, Q circulation inflow;
C: record item by item the water consumption of the subtense angle of described water balance test by the inflow by total main to the described flow sequence by water subsystem water consumption, gather the different described water consumptions with water subsystem;
According to Q inflow=Q water consumption+ Q water leakage, Q circulation inflow=Q water consumption+ Q quantity of circulating water+ Q water leakage, calculate the different described water leakages with water subsystem, i.e. the described pipe network wastage with water subsystem;
According to the described described water consumption with water subsystem of the difference gathering, obtain preliminary conclusion, Q inflow≠ Q water consumption; According to Q inflow=Q water consumption+ Q water leakage, Q circulation inflow=Q water consumption+ Q quantity of circulating water+ Q water leakage, according to the described water leakage of the described use of the difference calculating water subsystem, the Q by described wastage divided by described use water subsystem water consumptionobtain the described error rate with water subsystem, i.e. the described pipe network leak rate with water subsystem;
D: optimize pipe network, carry out leakage points exploration to what have a wastage with water subsystem, determine after leakage points, described utensil or the pipeline of described terminal are repaired or replaced;
E: second test, the described pipe network to maintenance or after changing carries out second test by the method for first test, and repeating said steps A, described step B, described step C and described step D guarantee Q inflow=± 5%Q water consumption, complete water balance test.
In the embodiment who is more preferably, in described steps A, adopt pipe and cable detector to detect pipeline deployment scenarios and the depth of burying, and record the water data of terminal on described pipeline; The water data of described terminal comprises the intact degree of utensil of kind, water appliance quantity, water consumption and the water terminal of building storey, water appliance.
In the embodiment who is more preferably, in described step B, described measurement period comprises 0 o'clock~6 o'clock morning,,,, at 6 o'clock~10 o'clock at 10 o'clock~14 o'clock at 14 o'clock~16 o'clock at 16 o'clock~18 o'clock and 18~24 o'clock; The time of carrying out continuity test comprises 24 hours, 48 hours or 72 hours.
Specific embodiment:
Theoretical foundation:
In branched network, inflow should equal water consumption; In cyclic network of pipes, inflow should equal water consumption and quantity of circulating water sum., in water balance test, Q inflow=Q use+Q leaks, and Q circulation inflow=Q use+Q quantity of circulating water+Q leaks, and after water balance test, should make Q inflow=± 5%Q use.
1) preparatory stage:
According to supply channel, water unit or the department etc. with relative independentability, be divided into several water systems or unit, it is the subtense angle of water balance test, and each subtense angle is carried out to pipeline prospecting, evaluation and test terminal water data---building storey, water appliance kind, quantity, water consumption and the intact degree of water appliance terminal etc., if terminal utensil exists leakage, should first repair or replace terminal utensil;
Add up and improve the quantity of one, two, three metrical instrument, or install can teletransmission data electromagnetic flowmeter pipe network is carried out to remote monitoring.
Be specifically described with Guiyang University below:
Measurement period is divided into 0 o'clock~6 o'clock morning,,, at 6 o'clock~10 o'clock at 10 o'clock~14 o'clock at 14 o'clock~16 o'clock, 16 o'clock~18 o'clock, 18~24 o'clock these six periods were carried out 72 hours continuity tests, needed the water parameter of test to have: Q inflow, Q water consumption, Q water leakage, Q circulation inflow.
Copy in fact data as following table:
Table 1. I and II table test result statistical form for the first time
Figure BDA0000486531930000061
Figure BDA0000486531930000071
Table 2. unit level weighing apparatus test result statistical form
Figure BDA0000486531930000072
3) analysis phase
Take the water yield as parameter, fill in item by item with water subsystem water balance test chart by water flow sequence, gather each water subsystem water balance test chart of using, fill in non-technical water unit water balance test chart.
The isorrheic test of Guiyang University:
After definite all waters are all measured, obtain preliminary survey conclusion, enter ≠ Q of Q uses.Leak according to the new water yield=Q of Q use+Q, the circulate new water yield=Q use+Q circulation+Q of Q leaks, and analyzes data, the Q error rate obtaining between tables at different levels by error divided by this use water subsystem, and this uses the pipe network wastage of water subsystem.
4) pipe network optimization and maintenance
Optimize pipe network, carry out leakage points exploration to what have a wastage with water subsystem, determine after leakage points, pipeline is keeped in repair;
5) second test
Pipe network after transformation or maintenance is carried out to second test by the method for first test, and to reach the object of water balance, i.e. Q inflow=± 5%Q use, completes water balance test.
Guiyang University's second test data are as follows:
Table 3. I and II table is test result statistical form (whole day) for the second time
Figure BDA0000486531930000081
Figure BDA0000486531930000091
Figure BDA0000486531930000101
Table 4. I and II table remote monitoring test result statistical form (whole day)
Figure BDA0000486531930000102
Figure BDA0000486531930000111
Figure BDA0000486531930000121
6) achievement Report
After water balance test finishes, this water balance test is done to a detailed report, this part of report mainly comprises: 1. water balance measuring and calculation formula and foundation; 2. test event pipe network and equipment basic situation; 3. water supply network operation planimetric map; 4. project achievement---pipe-network detection: project overall condition, pipe network operation present situation figure, node full-page proof, leak source full-page proof, working procedure, workload, pipe network existing issue, equipment actuality, water supply requirement; Pipe network operation assessment of scenario: according to project concrete condition, whether to perfect with drainage facility, whether balance is made quantitative analysis for water supply pressure and the water yield, and provides concrete proposals and relevant solution; 5. reasonable use of water analysis: each water use sector index and with quota relatively; Analyze each water use sector water consumption reason for Exceeding, propose water saving rectification.Backup, is convenient to webmaster key monitoring.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; all within basic principle of the present invention; any modification of doing, combine and be equal to replacement etc., within being all included in protection scope of the present invention.

Claims (5)

1. a non-technical water water balance test method, is characterized in that, comprising:
Step 1: according to supply channel, water unit or the department with relative independentability are divided into independent water system or unit, i.e. the subtense angle of water balance test, and each subtense angle is carried out to pipeline prospecting, the water data of evaluation and test terminal;
Step 2: select the test period, carry out continuity test, the water parameter of test comprises: inflow is with Q inflowrepresent, water consumption is with Q water consumptionrepresent, water leakage is with Q water leakagerepresent, circulation inflow is with Q circulation water inlet amountrepresent;
Step 3: record item by item the water consumption of the subtense angle of described water balance test by the inflow by total main to the described flow sequence by water subsystem water consumption, gather the different described water consumptions with water subsystem;
In branched network, Q inflow=Q water consumption+ Q water leakage; In cyclic network of pipes, Q circulation inflow=Q water consumption+ Q quantity of circulating water+ Q water leakage; Calculate respectively the different described water leakages with water subsystem, the i.e. described pipe network wastage with water subsystem according to inflow formula;
According to the described described water consumption with water subsystem of the difference gathering, obtain preliminary conclusion, Q inflow≠ Q with the water yield; With described pipe network wastage Q water leakagedivided by the described water consumption Q with water subsystem water consumptionobtain the described error rate with water subsystem, i.e. the described pipe network leak rate with water subsystem;
Step 4: optimize pipe network, carry out leakage points exploration to what have a wastage with water subsystem, determine after leakage points, described utensil or the pipeline of described terminal are repaired or replaced;
Step 5: second test, the described pipe network to maintenance or after changing carries out second test by the method for first test, and repeating said steps one, described step 2, described step 3 and described step 4 guarantee Q inflow=± 5%Q water consumption, complete water balance test.
2. non-technical water water balance test method according to claim 1, is characterized in that, in described step 1, adopts pipe and cable detector to detect pipeline deployment scenarios and the depth of burying, and records the water data of terminal on described pipeline.
3. non-technical water water balance test method according to claim 1, it is characterized in that, in described step 1, the water data of described terminal comprises the intact degree of utensil of kind, water appliance quantity, water consumption and the water terminal of building storey, water appliance.
4. non-technical water water balance test method according to claim 1, is characterized in that, in described step 2, described measurement period comprises 0 o'clock~6 o'clock morning,,,, at 6 o'clock~10 o'clock at 10 o'clock~14 o'clock at 14 o'clock~16 o'clock at 16 o'clock~18 o'clock and 18~24 o'clock.
5. non-technical water water balance test method according to claim 1, is characterized in that, in described step 2, the time of carrying out continuity test comprises 24 hours, 48 hours or 72 hours.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107688903A (en) * 2017-08-28 2018-02-13 中国水利水电科学研究院 Management method, device, equipment and the management system of enterprise water use system

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CN202580631U (en) * 2012-03-20 2012-12-05 上海奇鸣涂料有限公司 Controllable metering water supply device
CN103352490A (en) * 2013-05-17 2013-10-16 黄佑仲 High-resolution method of tap water zonal measurement and water leakage analysis device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101105264A (en) * 2006-07-14 2008-01-16 颜岳辉 Tap water pipe leakage check-up method
CN202082620U (en) * 2011-05-19 2011-12-21 浙江大学 Water quality comprehensive simulation test system for circulating pipe network
CN102607784A (en) * 2012-03-06 2012-07-25 无锡水表有限责任公司 Method for detecting water leakage of tap water pipeline
CN202580631U (en) * 2012-03-20 2012-12-05 上海奇鸣涂料有限公司 Controllable metering water supply device
CN103352490A (en) * 2013-05-17 2013-10-16 黄佑仲 High-resolution method of tap water zonal measurement and water leakage analysis device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107688903A (en) * 2017-08-28 2018-02-13 中国水利水电科学研究院 Management method, device, equipment and the management system of enterprise water use system

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