CN105297827A - Water resource allocation method taking multi-user water demand and multi-source water supply into consideration - Google Patents

Water resource allocation method taking multi-user water demand and multi-source water supply into consideration Download PDF

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CN105297827A
CN105297827A CN201510670542.4A CN201510670542A CN105297827A CN 105297827 A CN105297827 A CN 105297827A CN 201510670542 A CN201510670542 A CN 201510670542A CN 105297827 A CN105297827 A CN 105297827A
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water
user
supply
source
water supply
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李析男
赵先进
王宁
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Guizhou Survey and Design Research Institute for Water Resources and Hydropower
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Guizhou Survey and Design Research Institute for Water Resources and Hydropower
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Abstract

The invention discloses a water resource allocation method taking multi-user water demand and multi-source water supply into consideration. The water resource allocation method includes the following steps: step 1, collecting basic data of an allocation area; step 2, determining water supply sources WATER(m) and water demand users USER(n) in the area; step 3, predicting and analyzing water demand Wuser(n) of every water demand user in different planned years, and comprehensively investigating and analyzing water supply facilities, water supply and running condition to acquire water supply Wwater(m) of every water supply source in the area; step 4, according to water resource development and utilization mode and potential of the area, determining allocation targets of the planned years correspondingly to requirements of different water demand schemes for every planned year; step 5, determining user-water source allocation rules, and adopting a certain water resource allocation model for optimized allocation calculating. By the water resource allocation method, water resources can be allocated conveniently, quickly, scientifically and reasonably, and improving of project planning efficiency is facilitated.

Description

A kind of multi-user of consideration needs the Water Resources Allocation method of water and Water supply in many water heads
The present invention is a kind of Water Resources Allocation method that multi-user of consideration needs water and Water supply in many water heads, belongs to water resource optimal allocation technical field.
Background technology
Reasonable allocation of water resources refers to " in basin or specific regional extent; follow the principle of validity, fairness and sustainability; utilize various engineering and non-engineering measure; according to rule and the resource distribution criterion of market economy; by effective supply of rationally controlling consumption, ensure, safeguard and the improve the ecological environment means such as quality and measure; to the multiple configuration [Wang Hao utilizing water source to carry out between interregional and each water-using sector, Qin great Yong, Wang Jianhua, Deng. Yellow-huai river basin reasonable allocation of water resources [M]. Beijing: Science Press, 2003] ".The reasonable disposition of water resource can solve the contradiction of supply and demand for the water resource, the competition of all kinds of water, the coordination of upstream and downstream left and right banks, different investment of water project relation, economy and environment benefit of water consumption, contemporary society and future society water, various water source and the series of complex water resources problems such as mutually transform, therefore whether the quality of configuration result directly affects final decision-making.And for whole Resourse Distribute system, while pursuit supply and demand water balance total, by resource of water supply with need water user to carry out classification refinement, be configured meeting under multiple target, different distribution principle, detailed user (or water source) can be obtained to the distribution condition of water resource, be applicable to management and the scheduling of Water Resources Allocation in actual production.And water distribution being carried out after user (or water source) classification at present in water resource optimal allocation, this process system imperfection, the present invention studies draw for solving such problem just.
Summary of the invention
The object of this invention is to provide a kind of Water Resources Allocation method that multi-user of consideration needs water and Water supply in many water heads, the method is according to urban water use survey data, comprising resource of water supply, need water user, with water relation and internal rule thereof, then utilize equilibrium of supply and demand relation to carry out Water Resources Allocation, thus solve prior art Problems existing.
The present invention is by the following technical solutions to realize this object:
The present invention is the Water Resources Allocation method that a kind of like this multi-user of consideration needs water and Water supply in many water heads, and it comprises the steps:
Step 1, collect the basic data of configuring area, described configuring area basic data comprises regional nature weather conditions and (mainly comprises amount of precipitation, evaporation capacity etc.), gross amount of water resources (comprises surface water resources amount, groundwater resources amount, to pass by water resources quantity etc.), usable water resources (comprises surface water resources available quantity, groundwater resources available quantity, water resource of passing by available quantity etc.), Water Functional Zone and water quality condition, present situation of water resources exploitation, region regenerated water factory situation condition, the each user's water consumption quota of social economic development of region situation and region thereof, water supply node etc.,
Step 2, determine regional water supply water source WATER (m), need water user USER (n), with X (i, j), (i=1,2, ..., n, j=1,2, ..., m) represent that a jth resource of water supply supplies the water yield of i-th user, i.e. the distribution of the water yield in Water Resources Allocation.Resource of water supply and need the relation between water user mainly comprise between recharge connection between the relation between supply and demand between water source and user, water source, user by the water supply priority etc. between water priority, resource of water supply;
Step 3, adopt some Forecasting Methodology, to each water requirement W needing water user difference planning year user (n)carry out forecast analysis; To comprehensive survey analyses such as water facilities, output, operation conditions, draw the output W of each resource of water supply in region water (m);
Step 4, according to Assessment of Regional Water Resources Utilization pattern and potentiality, corresponding each planning year difference need the requirement of water scheme, determine the configuration target in different planning year;
Step 5, binding region actual conditions, consider the factors such as objective condition, industry standard specification, Policy Adjustment comprehensively, determine " user ~ water source " configuration rule, adopts a certain water resource allocation to be optimized configuration and calculate.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, step 3 comprises the steps:
Step 301, determine to need water user USER (n), such as: agricultural (produces), non-agricultural (two produce, tertiary industry), living standard of urban and rural population, resident's travel life, ecological etc.;
Step 302, adopt quota method to calculate respectively to need water user water requirement W user (n).Such as: when adopting economic total value to calculate agricultural (or non-agricultural) water requirement, then=agricultural (or non-agricultural) unit output value water consumption quota × agricultural (or non-agricultural) economic total value; And water (or resident's travel life needs water) is needed for living standard of urban and rural population, then " resident living is water demand quota × population per capita " can be adopted to calculate.Wherein water consumption quota part, production value part, the planning year size of population etc. can adopt correlation model to predict, such as: the water consumption quota of agriculture, non-agricultural, resident living etc. can adopt GM (1,1) model, BP neutral net, multinomial model, exponential model, logarithmic model etc. to predict; Production value increasing law can adopt autoregression summation moving average ARIMA model, GM (1,1) model etc. is predicted; The size of population can adopt Logistics function, Leslis demographic model predicts;
Step 303, determine resource of water supply WATER (m), such as: different by water, resource of water supply can be divided into special water source, public water source, Treated sewage reusing water source etc.;
The water supply capacity at step 304, investigation water source, determines output W in project period water (m).Such as: for the special reservoir in a certain Water Resources Allocation district, the available water of this reservoir under different water supply fraction is needed to determine; And for public reservoir, to determine under different water supply fraction, while this reservoir available water, also to need according to local Policy Adjustment requirement, determine the water yield supplying this Water Resources Allocation district; Treated sewage reusing water source is then needed to add up the regenerated water total amount reaching some industry water quality standard that this Water Resources Allocation district regenerates water factory's generation within project period.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in step 5, a certain water resource allocation comprises the steps:
Step 501, structure water resource allocation, mainly comprise object function, constraints;
Step 502, analog computation is carried out to single-goal function.As: analog computation is carried out to economic goal, makes economic goal reach optimum, then can calculate and try to achieve economic goal value, by that analogy, also can obtain social goal value value, level of environment achievement, Ecological Target value respectively;
Step 503, consider that final configuration result should be the satisfactory solution simultaneously considering all related objectives, build Multi Goal Opinion Function, solve the global optimum of evaluation function, the Water Resources Allocation result that can be satisfied with most.The wherein structure of evaluation function, can adopt multiple method, such as: ideal point method, linear weighted function summation, efficiency coefficient method, hierarchical sequence method etc.
If step 504 searches out optimal solution, then by the outcome record after model running, the X obtained will be run i,jvalue write Water Resources Allocation allocation table, obtains the water resource optimal allocation result under the program; If do not search out optimal solution, then need to return step 501, adjustment " user ~ water source " configuration rule, or adjustment configuration target, or re-start multiple-objection optimization calculating, till searching out overall benefit optimal solution.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in step 501, object function mainly comprises:
(1) economic goal.Such as: GDP is the important indicator weighing urban economy development degree, GDP is adopted can to reflect the development level in city as the economic goal in city.Therefore, GDP (gross domestic product) can be selected in a model maximum as Main Economic benefit goal;
(2) social goal.Such as: urban water shortage amount can be chosen minimum as social goal, can the height of stable and united, people's living standard of concentrated expression society;
(3) environmental goals.Such as: important pollutant discharge amount can be chosen minimum as environmental goals;
(4) Ecological Target.Such as: it is minimum that Ecological Target can be set to ecological holographic amount, wherein ecological holographic amount to comprise in river course ecological water deficit outside ecological holographic amount and river course.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in step 501, constraints mainly comprises:
(1) water source available water constraint.Such as: general water source can be divided into public water source and special water source, and for public water source, constraints can be set to: each needs the total Water of water user to be no more than its available gross amount of water resources to supply subarea relevant to it; For special water source, constraints can be set to: the total Water supplying each department in this Water Resources Allocation district is no more than its Available water resources total amount.
(2) user needs outlet capacity to retrain, such as: can arrange the water requirement that the water yield that user obtains from water source is not more than user;
(3) user's duty water constraint, in order to ensure the fairness between water supply system user and other user's water, each user's use water is avoided to occur that the degree of depth is destroyed, therefore adopt the constraint of user's duty water, such as: a certain duty water of water user that needs can be set higher than a certain limit value of regulation and stipulation (or Policy Adjustment);
(4) important pollutant discharge amount constraint, such as: the upper limit that some pollutant maximum emission that can arrange Water Resources Allocation district controls lower than water environment Correlative plan;
(5) nonnegativity restrictions, the same with general Optimized model, model needs to arrange decision variable nonnegativity restrictions.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in the constraints in step 501, certain water source is not configured certain user.Such as: a certain water source supply resident living, non-agricultural, travel life, and do not supply agricultural and ecology, then the agriculture item under this water source supply and ecological item are set to zero.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in the constraints in step 501, certain user must meet configuration balance, and namely certain user priority reaches the equilibrium of supply and demand.Such as: resident living preferentially must reach the equilibrium of supply and demand, then " each water source supply resident living water yield=resident living water requirement of ∑ " is write in a program.This type of situation is common in configuring area domestic consumption must the preferential configuration met.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in the constraints in step 501, a certain water source preferentially supplies certain user.Such as: Treated sewage reusing water source preferentially supplies ecological user, write in program code " Treated sewage reusing water source=Water Requirement (or needing the environment water volume of configuration) ".This type of situation is common in the configuration at the water source such as Treated sewage reusing, making use of rain and flood.
Further, above-mentioned consideration multi-user needs the Water Resources Allocation method of water and Water supply in many water heads, and wherein, in the constraints in step 501, a certain water source must configure completely, and namely the water yield at a certain water source all configures to user.As: the water yield at certain water source preferentially configures to each user, then write " each user's water requirement of ∑=this water source output " in a program.This type of situation is common in the configuration of local water source.
Technique effect of the present invention is as follows: Water Resources Allocation method of the present invention by clear for resource of water supply division, need water user clearly to classify, can meet in water supply and need water User Priority, confession water-supply source priority, the requirements such as economic goal, social goal, environmental goals, Ecological Target can be met in water distribution process.The present invention can convenient, fast, science, reasonably water resource is configured, be conducive to the efficiency improving project planning.What the method can be widely used in the planning and designing stage needing the water resource optimal allocation of the many resource of water supplys of water user, building project water resource demonstration and planning water resource demonstration etc. more, also can be applicable to the management of Water Resources Allocation in actual production and scheduling etc.
Accompanying drawing explanation
Fig. 1 is the Water Resources Allocation method flow diagram that consideration multi-user of the present invention needs water and Water supply in many water heads;
Fig. 2 is that consideration multi-user of the present invention needs the Water Resources Allocation method resource of water supply of water and Water supply in many water heads and needs water customer relationship figure;
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
As shown in Figure 1, Fig. 1 is the Water Resources Allocation method flow diagram that a kind of multi-user of consideration of the present invention needs water and Water supply in many water heads, and a kind of multi-user of consideration of the present invention needs the Water Resources Allocation method of water and Water supply in many water heads to comprise the steps:
Step 1, collect the basic data of configuring area, described configuring area basic data comprises regional nature weather conditions and (mainly comprises amount of precipitation, evaporation capacity etc.), gross amount of water resources (comprises surface water resources amount, groundwater resources amount, to pass by water resources quantity etc.), usable water resources (comprises surface water resources available quantity, groundwater resources available quantity, water resource of passing by available quantity etc.), Water Functional Zone and water quality condition, present situation of water resources exploitation, region regenerated water factory situation condition, the each user's water consumption quota of social economic development of region situation and region thereof, water supply node etc.,
Step 2, determine regional water supply water source WATER (m), need water user USER (n); With X (i, j), (i=1,2 ..., n, j=1,2 ..., m) represent that a jth resource of water supply supplies the water yield of i-th user, i.e. the distribution of the water yield in Water Resources Allocation, as shown in table 1.Resource of water supply and need the relation between water user mainly comprise between recharge connection between the relation between supply and demand between water source and user, water source, user by the water supply priority etc. between water priority, resource of water supply, as shown in Figure 2;
Table 1 considers that multi-user needs the Water Resources Allocation method water distribution table of water and Water supply in many water heads
Step 3, adopt some Forecasting Methodology, to each water requirement W needing water user difference planning year user (n)carry out forecast analysis; To comprehensive survey analyses such as water facilities, output, operation conditions, draw the output W of each resource of water supply in region water (m);
Step 4, according to Assessment of Regional Water Resources Utilization pattern and potentiality, corresponding each planning year difference need the requirement of water scheme, determine the water supply target in different planning year;
Step 5, binding region actual conditions, consider the factors such as objective condition, industry standard specification, Policy Adjustment comprehensively, determine " user ~ water source " configuration rule, adopts a certain water resource allocation to be optimized configuration and calculate.
Embodiment 1:
For Guizhou Province's expensive Anxin district Water Resources Allocation, the invention will be further described.
(1) collect your Anxin district relevant rudimentary data, illustrate the necessity adopting the present invention to carry out new district Water Resources Allocation, specify present situation phase and planning stage.
Gui Anxinqu is positioned in the middle part of Guizhou Plateau, Guiyang and central area, Anshun, planned range relates to Huaxi District, Guiyang, Qingzhen City, the Pingba district of Anshun, Xixiu District, totally 2 counties of city 4 (city, district) 20 villages (towns)s, planning control area 1795 square kilometres.New district belongs to north subtropical plateau monsoon moist climate region, and whole district's average temperature of the whole year is 12.8 ~ 15.3 DEG C, and Multi-year average precipitation is 1182.4mm.The new district water resource analyst coverage gross area is 1895km 2, many annual mean surface, groundwater resources amount are respectively 11.163 hundred million m 3, 2.6 hundred million m 3, because river valley cutting is comparatively dark in region, horizontal Escape condition is better, and underground water becomes the some of surface flow substantially, and its total amount is contained in surface water resources amount, therefore new district gross amount of water resources is 11.163 hundred million m 3.The local water resource in new district can utilize total amount to be 4.9 hundred million m 3, pass by usable water resources 500,000,000 m 3, your Anxin district scope water resource can utilize total amount to be 9.9 hundred million m 3.
New district belongs to the Yangtze river basin and area, Pearl River Delta dividing ridge, and the short stream in source is thin, and water resources quantity is little, there is resources water shortage; In year, precipitation space-time distributes also irregular, and effective rate of utilization is low, lacks and has the agricultural irrigation of larger adjusting function and the hydraulic engineering of living water, there is engineering water shortage problem; In new area, landform is comparatively mild, plough and population comparatively concentrated, build retain Hydraulic Projects submerge loss greatly, water resources development and utilization difficulty is larger; In region, water source type is various, water-using structure is complicated, and the administrative department that paddles is many, and existing WR management system mechanism and the requirement of socio-economic development to water conservancy management are not mated, and the regional water resources lacking higher level plan as a whole allotment mechanism.Therefore it is very necessary to adopt a kind of multi-user of consideration of the present invention to need the Water Resources Allocation method of water and Water supply in many water heads to carry out Water Resources Allocation to new district.
It is present situation year that new district adopts 2012, carries out Water Resources Allocation to the year two thousand twenty and the year two thousand thirty as planning level year.
(2) determine new district resource of water supply WATER (m), analyze water source water supply capacity, comprise and comprehensive survey analysis is carried out to water facilities, output, operation conditions etc., draw the output W of each resource of water supply in new district water (m).
For new district resource of water supply part, special water source, public water source and Treated sewage reusing water source can be divided into by water source type.Through investigation, analyze, calculate, can obtain, plan to the year two thousand twenty, special water source, new district has: just establishing in stone Zhu Qiao reservoir, Guizhou Province, displacement in Guizhou Province, always seek reservoir, is 3520.3m 3, there is first phase in pine and cypress scenery with hills and waters storehouse, reservoir, Guizhou Province at public water source, is 13832.1m 3, underground water source is 118.0m 3, Treated sewage reusing water source, mainly from the Wastewater Treatment Plant with water reuse (treatment ability, is 2171m 3, be 19641.5m for water inventory 3; Planning is to the year two thousand thirty, and new district special water source increase has: magnificent tower reservoir, Mei Jia village reservoir, is 5874.3m altogether 3, the increase of public water source has the second phase in Guizhou Province, is 18674.7m altogether 3, underground water source is 118.0m 3, Treated sewage reusing water source is 6802m 3, be 31469.0m for water inventory 3.
(3) determine that new district needs water user USER (n), adopt corresponding Forecasting Methodology, to each water requirement W needing water user difference planning year user (n)carry out forecast analysis.
Through investigation, new district needs water user to mainly contain agricultural (produces), non-agricultural (two products, tertiary industry), and living standard of urban and rural population, resident's travel life, ecological five parts, adopt quota method to calculate each several part water requirement W user (n).Agricultural (or non-agricultural) water requirement=agricultural (or non-agricultural) unit output value water consumption quota × agricultural (or non-agricultural) economic total value; Living standard of urban and rural population needs water (or resident's travel life needs water)=resident living water demand quota × population per capita; Water Requirement to be divided in river course Water Requirement outside Water Requirement and river course, due to during for water analysis, Water Requirement in river course is taken into account, for meeting Water Requirement in river course completely, therefore when actual water demand forecast, no longer consider Water Requirement in river course, then ecological water quantity=road and greenery patches are watered and are spilt quota × per capita green area × population.Wherein water consumption quota part (agriculture, non-agricultural, resident living, resident's tourism, ecological) adopts multiple model (GM (1,1) model, multinomial model, exponential model, logarithmic model) prediction, select forecasting sequence and original series correlation height person as final result; Production value part adoption rate method and GM (1,1) model prediction, also select forecasting sequence and original series correlation height person as final result; The size of population adopts Logistics function prediction to determine.
Through forecast analysis, the year two thousand twenty is agriculture, non-agricultural, resident living, resident tourism, ecological water quota be respectively 173.12m 3/ ten thousand yuan, 12.55m 3/ ten thousand yuan, 132.65L/ (people .d), 20L/ (people .d), 2.0L/ (m 2.d); Agricultural, the nonfarm economy output value are respectively 29.88 hundred million yuan, 452.21 hundred million yuan, and urban population quantity is 1,200,000 people, the tourism size of population 2,400,000 people; The year two thousand thirty agriculture, non-agricultural, resident living, resident's tourism, ecological water quota be respectively 52.14m 3/ ten thousand yuan, 5.2m 3/ ten thousand yuan, 135.80L/ (people .d), 20/ (people .d), 2.0L/ (m 2.d); Agricultural, the nonfarm economy output value are respectively 80.40 hundred million yuan, 2753.89 hundred million yuan, and urban population quantity is 2,000,000 people, the tourism size of population 3,600,000 people.During water demand for natural service calculates, per capita green area is according to " your Anxin district overall plan " (2013-2030), and cities and towns per capita green area is taken as 11.5m 2.
As calculated, the year two thousand twenty needs water user USER (n) resident living, travel life, agricultural, non-agricultural, Water Requirement is respectively 5810.1 ten thousand m 3, 1752.0 ten thousand m 3, 6055.3 ten thousand m 3, 5675.2 ten thousand m 3, 1007.4 ten thousand m 3, add up to 20300.0 ten thousand m 3; The year two thousand thirty needs water user USER (n) resident living, travel life, agricultural, non-agricultural, Water Requirement is respectively 9913.4 ten thousand m 3, 2628.0 ten thousand m 3, 4908.1 ten thousand m 3, 14320.2 ten thousand m 3, 1679.0 ten thousand m 3, add up to 33448.7 ten thousand m 3
(4) according to your Anxin district water resources development and utilization pattern and potentiality, planning year the year two thousand twenty, the year two thousand thirty adopt identical water supply target, mainly comprise:
1) economic goal.GDP is the important indicator weighing urban economy development degree, adopts GDP can reflect the development level in city as the economic goal in city.Therefore, select GDP (gross domestic product) maximum as Main Economic benefit goal in a model, use f 1x () represents.
f 1 ( x ) = m a x Σ z = 1 Z Σ j = 1 J Σ i = 1 I q i j z × gdp j
Wherein, represent the water yield that z zone user j gets from water source i; gdp jrepresent the GDP that the folk prescription water of j user produces.
2) social goal.Choose urban water shortage amount minimum as social goal, can the height of stable and united, people's living standard of concentrated expression society, use f 2x () represents.
f 2 ( x ) = m i n [ D t - Σ z = 1 Z Σ j = 1 J Σ i = 1 I q i j z ]
Wherein, D trepresent planning year regional water demand.
3) environmental goals.Choose important pollutant discharge amount minimum as environmental goals, use f 3x () represents.
f 3 ( x ) = m i n [ 0.01 × ρ j × d j × Σ z = 1 Z Σ j = 1 J Σ i = 1 I q i j z ]
Wherein, ρ jrepresent the content of important pollutant in j Subscriber Unit quantity of wastewater effluent, mg/l, selects chemical oxygen demand cod, ammonia nitrogen NH herein 3the water quality index such as-N represent; d jfor j department effluent discharge coefficient.
4) Ecological Target.Ecological Target represents with ecological holographic amount is minimum, and wherein ecological holographic amount to comprise in river course ecological water deficit outside ecological holographic amount and river course, and it uses f 4x () represents.
f 4 ( x ) = m i n [ D e - Σ j = 1 J Σ i = 1 I ( q i , j i n + q i , j o u t ) ]
Wherein, D erepresent planning year region ecological water demand; represent (ecological in river course) water yield that planning year zone user j gets from water source i; represent (ecological river course) water yield that planning year zone user j gets from water source i.
(5) in conjunction with your Anxin district actual conditions, the factors such as comprehensive consideration objective condition, industry standard specification, Policy Adjustment, determine " user ~ water source " configuration rule, adopt a kind of multi-user of consideration of the present invention to need the Water Resources Allocation method of water and Water supply in many water heads to be optimized configuration and calculate.
Major constraints comprises:
1) water source available water constraint.Water source available water constraint is divided into the available water constraint of public water source and the constraint of special water source available water.
Public water source: the total Water supplying subarea each water-using sector relevant to it is no more than its available gross amount of water resources, that is:
Σ z = 1 Z Σ c = 1 C Σ j = 1 J q c j z ≤ W c
Wherein, for public water source C is to the output of the j user in Z subarea, ten thousand m 3; W cfor the Available water resources total amount of public water source C, ten thousand m 3.
Special water source: in supply Z district, the total Water of each department is no more than its available water resource, that is:
Σ z = 1 Z Σ s = 1 S Σ j = 1 J q s j z ≤ W s z
Wherein, for special water source S is to the output of the j user in Z district, ten thousand m 3; for the Available water resources total amount of the special water source S in Z district, ten thousand m 3.
2) user needs outlet capacity to retrain, and the water yield that namely user obtains from water source is not more than the water requirement of user, that is:
Σ z = 1 Z Σ i = 1 I q i j z ≤ D j
Wherein, D jrepresent the water requirement of planning year user j.
3) user's duty water constraint, in order to ensure the fairness between water supply system user and other user's water, avoids each user's use water to occur that the degree of depth is destroyed, therefore adopts the constraint of user's duty water, that is:
Σ z = 1 Z Σ i = 1 I q i j z / D j ≥ η j
Wherein, η jrepresent the duty water of user j.
4) important pollutant discharge amount constraint, refers to that each district important pollutant maximum emission should lower than the relevant planning control index of water environment, that is:
[ 0.01 × ρ j × d j × Σ z = 1 Z Σ j = 1 J Σ i = 1 I q i j z ] ≤ P 0
Wherein, ρ jfor the important pollutant load in j Subscriber Unit discharge amount of pollution, mg/L; d jfor j department effluent discharge coefficient; P 0for planning level year Z district greatest contamination thing allowable emission, determined by Correlative plan.
5) nonnegativity restrictions, the same with general Optimized model, model will meet decision variable nonnegativity restrictions.
q ij＞0
When arranging constraints, also should consider:
1) in constraints, certain water source is not configured certain user.The special water source in new district, public water source can supply resident living, travel life, agricultural, non-agricultural, and do not supply ecology, then the ecological item under special water source, public water source supply is set to zero; The Treated sewage reusing water source in new district can supply non-agricultural and ecological, and does not supply resident living, travel life and agricultural, then by the resident living under Treated sewage reusing, travel life and agriculture item zero setting; The supply of new district underground water source resident living, agricultural, and do not supply travel life, non-agricultural, ecological, then by the travel life under underground water source, non-agricultural, ecological zero setting.
2) in constraints, certain user must meet configuration balance, i.e. certain user priority equilibrium of supply and demand.New district resident living preferentially must reach the equilibrium of supply and demand, then in program code, write " each water source supply resident living water yield=resident living water requirement of ∑ ".
3) in constraints, a certain water source preferentially supplies certain user.Treated sewage reusing water source, new district preferentially supplies ecological user, writes " Treated sewage reusing water source=Water Requirement (or needing the environment water volume of configuration) " in program code.
4) in constraints, a certain water source must configure completely, and namely the water yield at a certain water source all configures to user.The water yield at special water source, new district first should configure and need water user to each, then in program code, write " ∑ each user water requirement=special water source output ".
Model calculating is carried out to single-goal function.As: operation economic goal being carried out to model, makes economic goal reach maximum, after calculating, obtains economic goal value f 1, by that analogy, obtain social goal value value f respectively 2, level of environment achievement f 3, Ecological Target value f 4.The optimization adopting " ideal point method " to carry out multiple objective function calculates, and builds evaluation function, requires that evaluation function value reaches minimum, can try to achieve the satisfactory solution of multiple target when simultaneously considering all related objectives.Evaluation function is:
min h ( x ) = min H [ f ( x ) ] = m i n Σ i = 1 p ( f i ( x ) - f i * ) 2
Wherein, h (x) represents evaluation function, f ix () represents each object function, represent the target function value calculated.
If search out optimal solution, then by the outcome record after model running, the X obtained will be run i,jvalue write Water Resources Allocation allocation table, obtains the water resource optimal allocation result under the program; If do not search out optimal solution, then need to return step 501, adjustment " user ~ water source " configuration rule, or adjustment configuration target, or re-start multiple-objection optimization calculating, till searching out overall benefit optimal solution.
(6) configuration result and analysis
Need the Water Resources Allocation method of water and Water supply in many water heads to carry out Liao Gui Anxin district Water Resources Allocation according to a kind of multi-user of consideration of the present invention, obtain planning year the year two thousand twenty, the year two thousand thirty Water Resources Allocation result.
The special water source of the year two thousand twenty is configured life, travel life, agricultural, non-agricultural, ecological water, and water storage project supplies 678.1 ten thousand m respectively 3, 194.4 ten thousand m 3, 474.4 ten thousand m 3, 410.4 ten thousand m 3, 00,000 m 3, water diversion project supplies 678.0 ten thousand m respectively 3, 194.8 ten thousand m 3, 477.7 ten thousand m 3, 412.5 ten thousand m 3, 00,000 m 3, ground water engineering mainly supplies living water use and agricultural water, supplies 53.1 ten thousand m respectively 3, 64.9 ten thousand m 3; Public water source is configured life, travel life, agricultural, non-agricultural, ecological water, and water storage project supplies 2544.1 ten thousand m respectively 3, 709.1 ten thousand m 3, 3251.1 ten thousand m 3, 2139.0 ten thousand m 3, 00,000 m 3, water diversion project supplies 1856.8 ten thousand m respectively 3, 478.5 ten thousand m 3, 1706.9 ten thousand m 3, 1146.7 ten thousand m 3, 00,000 m 3; Treated sewage reusing mainly supplies non-agricultural and ecological water, and industry not high to water quality requirement during non-agricultural part supply is non-agricultural is 1566.6 ten thousand m 3, to ecology water supply 604.4 ten thousand m 3.According to distribution principle, all meet living water use, next considers economic development, and non-agricultural better results, therefore configures completely non-agricultural, adjusts agricultural water, configuration agricultural water 5975.0 ten thousand m 3, actual water requirement is 6055.3 ten thousand m 3, disappearance 80.3 ten thousand m 3.Can by recondition measure adjustment water requirements such as restriction visitor quantity, minimizing water supply valves for travel life water, the configuration water yield is 1576.8 ten thousand m 3, actually need water 1752.0 ten thousand m 3, disappearance 175.2 ten thousand m 3.The year two thousand twenty water requirement is greater than output, and water deficit is 658.5 ten thousand m 3.
The year two thousand thirty, special water source was configured life, travel life, agricultural, non-agricultural, ecological water, and water storage project supplies 1768.4 ten thousand m respectively 3, 430.7 ten thousand m 3, 754.9 ten thousand m 3, 1157.2 ten thousand m 3, 00,000 m 3, water diversion project supplies 577.4 ten thousand m respectively 3, 325.2 ten thousand m 3, 417.5 ten thousand m 3, 442.9 ten thousand m 3, 00,000 m 3, ground water engineering mainly supplies living water use and agricultural water, is respectively 53.9 ten thousand m 3, 64.1 ten thousand m 3; Public water source is configured life, travel life, agricultural, non-agricultural, ecological water, and water storage project supplies 4560.1 ten thousand m respectively 3, 919.1 ten thousand m 3, 1528.9 ten thousand m 3, 3555.9 ten thousand m 3, 00,000 m 3, water diversion project supplies 2953.6 ten thousand m respectively 3, 690.1 ten thousand m 3, 1097.3 ten thousand m 3, 3369.6 ten thousand m 3, 00,000 m 3; Treated sewage reusing is based on non-agricultural and ecological, and industry not high to water quality requirement during non-agricultural part supply is non-agricultural is 5794.6, to ecology water supply 1007.4 ten thousand m 3.According to distribution principle, all meet living water use, next considers economic development, and non-agricultural better results, therefore configures completely non-agricultural, adjusts agricultural water, configuration agricultural water 3862.8 ten thousand m 3, actual water requirement is 4908.1 ten thousand m 3, disappearance 1045.3 ten thousand m 3.Can by recondition measure adjustment water requirements such as restriction visitor quantity, minimizing water supply valves for travel life water, the configuration water yield is 2365.2 ten thousand m 3, actually need water 2628.0 ten thousand m 3, disappearance 262.8 ten thousand m 3.The year two thousand thirty, scheme 1 water requirement was greater than output, and water deficit is 1979.7 ten thousand m 3.
Configuration result is in table 2 and table 3, and wherein your Anxin district the year two thousand twenty analysis of supply-demand balance table table 2 is, your Anxin district the year two thousand thirty analysis of supply-demand balance table table 3 is.
Your Anxin district the year two thousand twenty analysis of supply-demand balance table of table 2
Your Anxin district the year two thousand thirty analysis of supply-demand balance table of table 3
(7) major advantage
The present invention considers that multi-user needs the Water Resources Allocation method of water and Water supply in many water heads.This Water Resources Allocation method by clear for resource of water supply division, need water user clearly to classify, can meet in water supply and need water User Priority, for water-supply source priority, the requirements such as economic goal, social goal, environmental goals, Ecological Target can be met in water distribution process, then utilize equilibrium of supply and demand relation to carry out Water Resources Allocation.The present invention can convenient, fast, science, reasonably water resource is configured, be conducive to the efficiency improving project planning.
The present invention is not limited to above-mentioned preferred embodiment, and anyone should learn the structure change made under enlightenment of the present invention, and every have identical or akin technical scheme with the present invention, all belongs to protection scope of the present invention.

Claims (9)

1. consider that multi-user needs a Water Resources Allocation method for water and Water supply in many water heads, it is characterized in that: comprise the steps:
Step 1: the basic data collecting configuring area;
Step 2: determine regional water supply water source wATER( m), need water user uSER( n);
Step 3: to each water requirement needing water user difference planning year w user( n) carry out forecast analysis; Comprehensive survey analysis is carried out to water facilities, output, operation conditions, draws the output of each resource of water supply in region w water( m) ;
Step 4: according to Assessment of Regional Water Resources Utilization pattern and potentiality, the different requirement needing water scheme of corresponding each planning year, determines the configuration target in different planning year;
Step 5: determine " user ~ water source " configuration rule, adopts a certain water resource allocation to be optimized configuration and calculates.
2. consideration multi-user according to claim 1 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that step 3 comprises the steps:
Step 301: determine to need water user uSER( n);
Step 302: the calculating of employing quota method is each needs water user water requirement w user( n) ;
Step 303: determine resource of water supply wATER( m);
Step 304: the water supply capacity at investigation water source, determines output in project period w water( m) .
3. consideration multi-user according to claim 1 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that: step: adopt a certain water resource allocation to be optimized configuration calculating in 5 and comprise the steps:
Step 501: build water resource allocation, comprise object function, constraints;
Step 502: analog computation is carried out to single-goal function;
Step 503: consider that final configuration result should be the satisfactory solution simultaneously considering all related objectives, builds Multi Goal Opinion Function, solves the global optimum of evaluation function, the Water Resources Allocation result that can be satisfied with most;
Step 504: if search out optimal solution, then by the outcome record after model running, obtain operation x i,j value write Water Resources Allocation allocation table, obtains the water resource optimal allocation result under the program; If do not search out optimal solution, then need to return step 501, adjustment " user ~ water source " configuration rule, or adjustment configuration target, or re-start multiple-objection optimization calculating, till searching out overall benefit optimal solution.
4. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, and it is characterized in that: in step 501, the target in object function comprises: economic goal, social goal, environmental goals and Ecological Target.
5. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, and it is characterized in that: in step 501, bound for objective function comprises:
(1) water source available water constraint;
(2) user needs outlet capacity to retrain;
(3) user's duty water constraint;
(4) important pollutant discharge amount constraint;
(5) nonnegativity restrictions.
6. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that: set certain water source in the constraints in step 501 and be not configured certain user.
7. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that: set certain user in the constraints in step 501 and must meet configuration balance, namely certain user priority reaches the equilibrium of supply and demand.
8. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that: set a certain water source in the constraints in step 501 and preferentially supply certain user.
9. consideration multi-user according to claim 3 needs the Water Resources Allocation method of water and Water supply in many water heads, it is characterized in that: setting a certain water source in the constraints in step 501 must configure completely, and namely the water yield at a certain water source all configures to user.
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