CN112862629A - Water resource optimal allocation method - Google Patents
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 405
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000008239 natural water Substances 0.000 claims abstract description 43
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 73
- 238000003860 storage Methods 0.000 claims description 27
- 238000012384 transportation and delivery Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 16
- 239000013589 supplement Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000003973 irrigation Methods 0.000 abstract description 8
- 230000002262 irrigation Effects 0.000 abstract description 8
- 230000003020 moisturizing effect Effects 0.000 abstract description 7
- 239000013049 sediment Substances 0.000 description 8
- 239000008400 supply water Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000013468 resource allocation Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a water resource optimal allocation method, which adopts a and water resource division; b. monitoring water resources; c. supplementing water by a natural water supplementing system; d. the water demand drops the moisturizing scheme, totally four steps can guarantee to receive the continuous abundant of water supply in water district, guarantee the water supply effect, satisfy the water watering demand. The invention can ensure continuous and sufficient water supply of the water receiving area, ensure the water supply effect, meet the requirements of water irrigation, simultaneously consider economy, society and ecology, realize the rationality and applicability of optimal configuration management of water for users, and further improve the sustainability of the water resource management system.
Description
Technical Field
The invention belongs to the technical field of water resource allocation, and particularly relates to a water resource optimal allocation method.
Background
The precision of resource allocation is one of the research directions in the current water resource allocation problem. The method not only meets the requirement of water resources, but also reduces redundant water distribution as much as possible, thereby improving the effective utilization of the water resources and becoming the urgent need of more and more high-strength water areas. In order to realize the optimal configuration of water resources, the currently common methods include mathematical programming methods, including linear programming and nonlinear programming, and multi-objective programming methods for the multi-objective water resource configuration problem. For irrigation areas with sufficient irrigation conditions, under the condition of limited total water resource amount and water source engineering scale, the purpose of maximum comprehensive benefit of water utilization is achieved, unified scheduling and management of regional water resources are enhanced, the hydraulic engineering of an irrigation system is used as a unified whole to be applied and regulated, and the established engineering (such as joint scheduling operation of a plurality of reservoir groups and a plurality of pump station groups) is applied to play a greater role, so that the method is a main way for solving the problem of water shortage of the irrigation areas. The existing water resource allocation method is easy to cause insufficient water supply and poor water supply effect in a water receiving area during a water using peak period, and the water using requirement is difficult to meet.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a water resource optimal allocation method, which can ensure continuous and sufficient water supply of a water receiving area, ensure the water supply effect and meet the requirement of water irrigation.
In order to solve the technical problems, the invention adopts the following technical scheme:
a water resource optimal allocation method is characterized by comprising the following steps:
a. water resource division:
according to the source of resources, the water supply system is divided into reservoir water supply and natural water supply, a reservoir water supply system is established between the reservoir and a water demand place, and a natural water supply system is established at a nearby water source of the water demand place to supply water when the supply of the reservoir water supply system is insufficient. The water supply system is used for daily water supply of the water supply area, and water is supplemented through the natural water supplementing system in the water supply area water peak period when the water consumption is increased rapidly, so that the total water supply amount can meet the use requirement of the water supply area.
b. And (3) monitoring water resources:
the water demand and water delivery quantity changes are monitored in real time, and the water use trend is predicted, so that water can be supplemented in time when the water use is increased suddenly. Through the real-time supervision to the water consumption to combine the actual water use condition in water supply district, deduce water supply district water demand trend, so that in time dispatch reservoir incoming water and natural moisturizing, guarantee the water supply in water supply district, guarantee to supply water continuous abundant, guarantee the water supply effect.
c. And (3) water supplement of a natural water supplement system:
when the water demand is larger than the total water delivery amount of the reservoir, a natural water replenishing system is started to replenish extra water demand, and the balance of supply and demand is achieved. By utilizing the natural water replenishing system, when the reservoir water supply system runs at full load, water can be supplied in time, the water supply of the water supply area is ensured, and the condition that the water supply area is short in water supply is avoided.
d. The water demand is reduced and the water is supplemented scheme is as follows:
and after the water demand is reduced, reducing the water delivery quantity of the reservoir, keeping the water delivery quantity of the natural water supplementing system, and closing the natural water supplementing system when the total water demand is less than the maximum water delivery quantity of the reservoir and the predicted water demand trend water consumption quantity is not more than the total water supply quantity of the water supply system of the reservoir, so that the supply and demand balance of water resources is achieved only by means of the water delivery of the reservoir. When the trend of water use is reduced, the water supply and demand balance of the reservoir water supply system is adjusted, the natural water supply system adopts a plurality of groups of water treatment mechanisms to treat water quality and then discharge water, so that the water discharge of the water treatment mechanisms cannot be flexibly controlled, the water discharge can be increased or reduced only by taking one group of water treatment mechanisms as a unit, when the total water supply quantity is not much different from the water supply quantity of the reservoir water supply system, the water supply quantity of the reservoir water supply system is more convenient to adjust, units in the natural water supply system do not need to be frequently opened and closed, and energy is saved.
Further, the step c of supplementing water by the natural water supplementing system comprises the following detailed steps:
(1) starting a water replenishing pump:
and starting the water replenishing pump to convey water in the natural water source to the water treatment mechanism. The water replenishing pump is used for pumping water in the natural water system to the water treatment mechanism for treatment.
(2) Water treatment:
the water treatment mechanism is used for treating input water and ensuring the quality of outlet water of the natural water replenishing system. Simple filtration treatment is carried out to natural moisturizing through water treatment mechanism for quality of water can satisfy the watering demand.
(3) Water storage:
the treated water is stored and treated, so that a water gap can be supplemented in time during a water using peak period, and normal water supply is ensured. Meanwhile, the treated water can be stored, the buffering effect can be achieved, the water supply is stable, and the water supply requirement is met.
(4) Water supply:
and starting the water supply pump to supply the water in the storage pool into the water supply network to ensure the water supply.
Further, the detailed steps of the step (2) water treatment comprise:
1) and precipitation treatment:
after the water is pumped into the sand basin, stopping pumping the water until the water level in the sand basin reaches a preset water level, standing for sedimentation for preset time, starting a first oil cylinder after most of sandy soil is completely precipitated, driving a first partition plate to move in the sand basin by the first oil cylinder until the sand basin is divided into a sand settling area at the bottom and a clear water area at the upper part, starting a water pump in the clear water area to pump the water in the sand basin, the second partition plate at the bottom of the sand settling tank is opened under the action of the second oil cylinder, the settled sand in the sand settling area at the bottom flows into the sand settling treatment tank for treatment, after the water in the clear water area is extracted and the settled sand in the sand settling area is led out, and opening the first partition plate, washing the silt adhered to the wall of the desilting tank into the desilting treatment tank by using proper clear water, closing the second partition plate after washing, and introducing a new round of inlet water for sedimentation treatment. After the desilting pond finishes intaking, carry out the sediment of certain time, later utilize first division board to separate for the clear water district is drawn water and can not mix the desilting, guarantees the quality of water that draws water, draws water and opens the second division board simultaneously, goes out husky, guarantees work efficiency simultaneously.
2) And settling sand:
the settled sand in the settled sand treatment tank is filtered and separated by three layers of filter screens, the aperture of each filter screen is reduced from top to bottom, and the settled sand screened by the settled sand treatment tank is recycled according to the particle size; the redundant settled sand can be recycled, so that the economic benefit can be improved to a certain extent, and the operation cost of a natural water replenishing system is reduced.
3) And (3) storage:
the water extracted from the clear water area enters a storage pool for storage, and when additional water is needed, the water in the storage pool is pumped into a water supply network.
Furthermore, the water treatment system adopts a storage tank, two desilting tanks and two desilting treatment tanks, and the two desilting tanks work alternately to ensure continuous water supply in the storage tank. Adopt two desilting treatment ponds and a hold up tank intercommunication, can guarantee that the hold up tank has the water supply at any time, guarantee water supply efficiency. Simultaneously, the two desilting ponds work alternately, so that the desilting ponds can be cleaned conveniently without influencing the cleaning and water supply of the storage pond.
Furthermore, after the settled sand layering is finished, the filter screen support with the three layers of filter screens is moved and taken out, then the adjusting bolts in the connecting frame are rotated, the locking plates are driven to move upwards by the rotation of the adjusting bolts, the connecting rods on the filter screens are unlocked, then the connecting rods slide out from the clamping strips of the connecting frame, and the settled sand on the filter screens is recovered according to the particle size. The filter screen support can make things convenient for the whole of filter screen to take for it is more convenient to retrieve the heavy husky, removes the locking simultaneously and also very conveniently only needs to rotate adjusting bolt and can remove all locks, and excellent in use effect can practice thrift operating time at the during operation, improves work efficiency, guarantees the recovery effect of heavy husky. Set up sliding connection's fixture block among the filter screen connection frame, set up the spring between fixture block and the connection frame, utilize the elasticity of spring to make the fixture block card in the card hole of connecting rod, the locking plate setting is in connection frame's inside, with connection frame sliding connection, the locking plate is equipped with the lockhole to the fixture block passes the lockhole card in the card hole, when the locking plate is gone up the slip, can make the fixture block compressed into connection frame in, thereby relieve the chucking. When the locking plate slides upwards, the locking hole slides upwards together with the locking plate, and the locking hole slides upwards to enable the clamping block with the guide inclined plane to be compressed into the connecting frame.
Further, the filter screen after will demolising washes cleanly, later put into connection frame so that whole put back the sand that sinks and handle the pond, during the installation filter screen, place the vertical of bottom earlier, then with fixed frame's card strip alignment spout, slide fixed frame on the connecting rod, make the fixed orifices card of connecting rod on fixed frame's fixture block, later slide in proper order again into second floor filter screen and third layer filter screen, screw up adjusting bolt at last again, adjusting bolt's rotation makes the locking plate down, the bellying card on the lockhole is on the fixture block, the realization is spacing to the fixture block, the filter screen installation finishes to put into after and sinks husky processing pond. After the sediment treatment is finished, the filter screen is washed, the next filtering and separating effect of the filter screen can be guaranteed, and then the filter screen is integrally assembled and is convenient to install.
Further, set up the through-hole on the connecting rod, later go into the through-hole of connecting rod with the locating lever card and fix in the bottom of connecting rod, the connecting rod of the filter screen on upper strata can be fixed in its locating lever card income through-hole. Through setting up the locating lever, realized the location between the filter screen and connected, promoted the connection effect and joint strength between the filter screen, also be more convenient when setting up the filter screen and connecting.
Furthermore, when the filter screen processing and cleaning stage is arranged in a sand basin communicated with the upper part and water is fed, the filter screen frame is communicated with the filter screen to take out and separate sand and stone and clean the filter screen after the second partition plate is closed. Because the second division board is closed in the stage of intaking, so clear up the desilting pond at this moment, can improve work efficiency, guarantee the continuous steady operation of equipment.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the method comprises the steps of a, dividing water resources; b. monitoring water resources; c. supplementing water by a natural water supplementing system; d. the water demand drops the moisturizing scheme, totally four steps can guarantee to receive the continuous abundant of water supply in water district, guarantee the water supply effect, satisfy the water watering demand. The invention can ensure continuous and sufficient water supply of the water receiving area, ensure the water supply effect, meet the requirements of water irrigation, simultaneously consider economy, society and ecology, realize the rationality and applicability of optimal configuration management of water for users, and further improve the sustainability of the water resource management system.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a natural water system according to the present invention;
FIG. 2 is a schematic structural view of a sand basin according to the present invention;
FIG. 3 is a schematic view of the connection between the connection frame and the filter net according to the present invention;
FIG. 4 is a schematic view of a screen according to the present invention;
FIG. 5 is a schematic view of the structure of the connecting frame according to the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is a schematic structural view of a locking plate clamping block of the present invention;
fig. 8 is a schematic structural view of the locking plate limiting clamping block of the invention.
In the figure, 1-a desilting pond; 2-a storage pool; 3-a first divider plate; 4-a second divider plate; 5-a first oil cylinder; 6-a second oil cylinder; 7-a guide plate; 8-settling sand treatment tank; 9-filtering the screen; 10-a connection frame; 11-a connecting rod; 12-locking plate; 13-a lock hole; 14-a fixture block; 15-clamping hole; 16-an adjusting bolt; 17-a card strip; 18-a chute; 19 a through hole; 20-positioning rods; 21-spring.
Detailed Description
As shown in fig. 1 to 8, the method for optimizing and configuring water resources according to the present invention includes the following steps:
a. water resource division:
according to the source of resources, the water supply system is divided into reservoir water supply and natural water supply, a reservoir water supply system is established between the reservoir and a water demand place, and a natural water supply system is established at a nearby water source of the water demand place to supply water when the supply of the reservoir water supply system is insufficient. The water supply system is used for daily water supply of the water supply area, and water is supplemented through the natural water supplementing system in the water supply area water peak period when the water consumption is increased rapidly, so that the total water supply amount can meet the use requirement of the water supply area.
b. And (3) monitoring water resources:
the water demand and water delivery quantity changes are monitored in real time, and the water use trend is predicted, so that water can be supplemented in time when the water use is increased suddenly. Through the real-time supervision to the water consumption to combine the actual water use condition in water supply district, deduce water supply district water demand trend, so that in time dispatch reservoir incoming water and natural moisturizing, guarantee the water supply in water supply district, guarantee to supply water continuous abundant, guarantee the water supply effect.
c. And (3) water supplement of a natural water supplement system:
when the water demand is larger than the total water delivery amount of the reservoir, a natural water replenishing system is started to replenish extra water demand, and the balance of supply and demand is achieved. By utilizing the natural water replenishing system, when the reservoir water supply system runs at full load, water can be supplied in time, the water supply of the water supply area is ensured, and the condition that the water supply area is short in water supply is avoided.
d. The water demand is reduced and the water is supplemented scheme is as follows:
and after the water demand is reduced, reducing the water delivery quantity of the reservoir, keeping the water delivery quantity of the natural water supplementing system, and closing the natural water supplementing system when the total water demand is less than the maximum water delivery quantity of the reservoir and the predicted water demand trend water consumption quantity is not more than the total water supply quantity of the water supply system of the reservoir, so that the supply and demand balance of water resources is achieved only by means of the water delivery of the reservoir. When the trend of water use is reduced, the water supply and demand balance of the reservoir water supply system is adjusted, the natural water supply system adopts a plurality of groups of water treatment mechanisms to treat water quality and then discharge water, so that the water discharge of the water treatment mechanisms cannot be flexibly controlled, the water discharge can be increased or reduced only by taking one group of water treatment mechanisms as a unit, when the total water supply quantity is not much different from the water supply quantity of the reservoir water supply system, the water supply quantity of the reservoir water supply system is more convenient to adjust, units in the natural water supply system do not need to be frequently opened and closed, and energy is saved.
Step c, the detailed steps of water supplement of the natural water supplement system are as follows:
(1) starting a water replenishing pump:
and starting the water replenishing pump to convey water in the natural water source to the water treatment mechanism. The water replenishing pump is used for pumping water in the natural water system to the water treatment mechanism for treatment.
(2) Water treatment:
the water treatment mechanism is used for treating input water and ensuring the quality of outlet water of the natural water replenishing system. Simple filtration treatment is carried out to natural moisturizing through water treatment mechanism for quality of water can satisfy the watering demand.
(3) Water storage:
the treated water is stored and treated, so that a water gap can be supplemented in time during a water using peak period, and normal water supply is ensured. Meanwhile, the treated water can be stored, the buffering effect can be achieved, the water supply is stable, and the water supply requirement is met.
(4) Water supply:
and starting the water supply pump to supply the water in the storage pool into the water supply network to ensure the water supply.
The detailed steps of the step (2) water treatment comprise:
1) and (3) precipitation treatment:
after water is pumped into the sand basin 1, the water pumping is stopped when the water level in the sand basin reaches a preset water level, then the sand basin is kept standing for sedimentation for a preset time, after most of sandy soil is settled, a first oil cylinder 5 is started, the first oil cylinder 5 drives a first partition plate 3 to move in the sand basin 1 until the sand basin 1 is divided into a sand settling area at the bottom and a clear water area at the upper part, then a water suction pump of the clear water area is started to pump water in the sand basin 1, a second partition plate 4 at the bottom of the sand basin 1 is opened under the action of a second oil cylinder 6, the settled sand in the sand settling area at the bottom flows into a sand settling treatment tank 8 for treatment, after the water pumping of the clear water area is finished and the settled sand in the sand settling area is guided out, the first partition plate 3 is opened, silt adhered to the wall of the sand basin 1 is washed into the sand settling treatment tank 8 by proper clear water, the second partition plate 4 is closed after the washing is finished, then a new round of inlet water is introduced for precipitation treatment. The sediment basin 1 carries out the sediment of certain time after finishing intaking, later utilizes first division board 3 to separate for the clear water district is drawn water and can not mix the sediment, guarantees the quality of water that draws water, draws water and opens second division board 4 simultaneously, goes out husky, guarantees work efficiency simultaneously.
2) Settling sand:
the settled sand in the settled sand treatment tank 8 is filtered and separated by a three-layer filter screen 9, the aperture of the three-layer filter screen 9 is reduced from top to bottom, and the settled sand sieved by the settled sand treatment tank 8 is recovered according to the particle size; the redundant settled sand can be recycled, so that the economic benefit can be improved to a certain extent, and the operation cost of a natural water replenishing system is reduced.
3) And (3) storage:
water extracted from the clear water area enters the storage pool 2 for storage, and when additional water is needed, the water in the storage pool 2 is pumped into the water supply network.
The water treatment system adopts a storage tank 2, two desilting tanks 1 and two desilting treatment tanks 8, and the two desilting tanks 1 work alternately to ensure continuous water supply in the storage tank 2. Adopt two desilting treatment ponds 8 and a hold up tank 2 intercommunication, can guarantee that hold up tank 2 has the water supply at the moment, guarantee water supply efficiency. Meanwhile, the two desilting ponds 1 work alternately, so that the desilting ponds 1 can be cleaned conveniently, and the cleaning and water supply of the storage pond 2 are not influenced.
After the settled sand is layered, the support of the filter screen 9 together with the three layers of filter screens 9 is moved and taken out, then the adjusting bolt 16 in the connecting frame 10 is rotated, the locking plate 12 is driven to go upwards by the rotation of the adjusting bolt 16, the connecting rod 11 on the filter screen 9 is unlocked, then the connecting rod 11 slides out from the clamping strip 17 of the connecting frame 10, and the settled sand on the filter screen 9 is recovered according to the particle size. The filter screen 9 support can make things convenient for filter screen 9's whole to take for it is more convenient to retrieve the heavy husky, removes the locking simultaneously and also makes things convenient for very much and only need rotate adjusting bolt 16 and can remove all locks, excellent in use effect can practice thrift operating time at the during operation, improves work efficiency, guarantees the recovery effect of heavy husky. Set up sliding connection's fixture block 14 in filter screen 9 connected frame 10, set up spring 21 between fixture block 14 and the connected frame 10, utilize spring 21's elasticity to make fixture block 14 block in the card hole 15 of connecting rod 11, locking plate 12 sets up in the inside of connected frame 10, with connected frame 10 sliding connection, locking plate 12 is equipped with lockhole 13, so that fixture block 14 passes lockhole 13 card in card hole 15, when locking plate 12 was slided upward, can make fixture block 14 compressed into connected frame 10, thereby relieve the chucking. When the locking plate 12 slides upwards, the locking hole 13 slides upwards, and the locking hole 13 slides upwards to compress the clamping block 14 with the guide inclined surface into the connecting frame 10.
The tie rods 11 are provided with through holes 19, and then the tie rods 20 are fitted into the through holes 19 of the tie rods 11 and fixed to the bottom portions of the tie rods 11, so that the tie rods 20 of the upper layer filter screen 9 can be fitted into the through holes 19 and fixed thereto. Through setting up locating lever 20, realized the location connection between the filter screen 9, promoted the connection effect and the joint strength between the filter screen 9, also be more convenient when setting up the filter screen 9 and connecting.
When the filter screen 9 is treated and cleaned, the filter screen 9 is communicated with the frame of the filter screen 9 and the filter screen 9 is taken out for separating sand and stone and cleaning the filter screen 9 after the second partition plate 4 is closed when water enters the sand basin 1 communicated with the upper part. In the water inlet stage, the second partition plate 4 is closed, so that the desilting treatment tank 8 is cleaned at the moment, the working efficiency can be improved, and the continuous and stable operation of the equipment is ensured.
The method comprises the steps of a, dividing water resources; b. monitoring water resources; c. supplementing water by a natural water supplementing system; d. the water demand drops the moisturizing scheme, totally four steps can guarantee to receive the continuous abundant of water supply in water district, guarantee the water supply effect, satisfy the water watering demand. The invention can ensure continuous and sufficient water supply of the water receiving area, ensure the water supply effect, meet the requirements of water irrigation, simultaneously consider economy, society and ecology, realize the rationality and applicability of optimal configuration management of water for users, and further improve the sustainability of the water resource management system.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (8)
1. A water resource optimal allocation method is characterized by comprising the following steps:
a. water resource division:
dividing the water into reservoir incoming water and natural water supplement according to the source of resources, establishing a reservoir incoming water system between the reservoir and a water demand place, and establishing a natural water supplement system at a nearby water source of the water demand place to supplement water when the supply of the reservoir incoming water system is insufficient;
b. and (3) monitoring water resources:
monitoring the water demand and water delivery quantity change in real time, and predicting the water use trend so as to supplement water in time when the water use is increased suddenly;
c. and (3) water supplement of a natural water supplement system:
when the water demand is greater than the total water delivery amount of the reservoir, a natural water replenishing system is started to replenish extra water demand so as to achieve balance of supply and demand;
d. the water demand is reduced and the water is supplemented scheme is as follows:
and after the water demand is reduced, reducing the water delivery quantity of the reservoir, keeping the water delivery quantity of the natural water supplementing system, and closing the natural water supplementing system when the total water demand is less than the maximum water delivery quantity of the reservoir and the predicted water demand trend water consumption quantity is not more than the total water supply quantity of the water supply system of the reservoir, so that the supply and demand balance of water resources is achieved only by means of the water delivery of the reservoir.
2. The method for the optimal allocation of water resources as claimed in claim 1, wherein: step c, the detailed steps of water supplement of the natural water supplement system are as follows:
(1) starting a water replenishing pump:
starting a water replenishing pump, and conveying water in a natural water source to a water treatment mechanism;
(2) water treatment:
the water treatment mechanism is used for treating input water and ensuring the quality of outlet water of a natural water replenishing system;
(3) water storage:
the treated water is stored, so that a water gap can be supplemented in time during a water using peak period, and normal water supply is ensured;
(4) water supply:
and starting the water supply pump to supply the water in the storage pool into the water supply network to ensure the water supply.
3. The method for optimizing allocation of water resources as claimed in claim 2, wherein: the detailed steps of the step (2) water treatment comprise:
1) and (3) precipitation treatment:
after the water is pumped into the sand basin, stopping pumping the water until the water level in the sand basin reaches a preset water level, standing for sedimentation for preset time, starting a first oil cylinder after most of sandy soil is completely precipitated, driving a first partition plate to move in the sand basin by the first oil cylinder until the sand basin is divided into a sand settling area at the bottom and a clear water area at the upper part, starting a water pump in the clear water area to pump the water in the sand basin, the second partition plate at the bottom of the sand settling tank is opened under the action of the second oil cylinder, the settled sand in the sand settling area at the bottom flows into the sand settling treatment tank for treatment, after the water in the clear water area is extracted and the settled sand in the sand settling area is led out, opening the first partition plate, washing the silt adhered to the wall of the desilting tank into the desilting treatment tank by using proper clear water, closing the second partition plate after washing, and introducing a new round of inlet water for sedimentation treatment;
2) settling sand:
the settled sand in the settled sand treatment tank is filtered and separated by three layers of filter screens, the aperture of each filter screen is reduced from top to bottom, and the settled sand screened by the settled sand treatment tank is recycled according to the particle size;
3) and (3) storage:
the water extracted from the clear water area enters a storage pool for storage, and when additional water is needed, the water in the storage pool is pumped into a water supply network.
4. The method for optimal allocation of water resources as claimed in claim 3, wherein: the water treatment system adopts a storage tank, two desilting tanks and two desilting treatment tanks, and the two desilting tanks work alternately to ensure continuous water supply in the storage tank.
5. The method for optimal allocation of water resources as claimed in claim 3, wherein: after the settled sand layering is finished, the filter screen support with the three layers of filter screens is moved and taken out, then the adjusting bolts in the connecting frame are rotated, the locking plates are driven to go upwards by the rotation of the adjusting bolts, the connecting rods on the filter screens are unlocked, then the connecting rods slide out from the clamping strips of the connecting frame, and the settled sand on the filter screens is recovered according to the particle size.
6. The method for optimal allocation of water resources as claimed in claim 5, wherein: the filter screen after will demolising washes cleanly, later put into connection frame so that whole put back the sand setting and handle the pond, during the installation filter screen, place the vertical of bottom earlier, then with fixed frame's card strip spout of aiming at, slide fixed frame into on the connecting rod, make the fixed orifices card of connecting rod on fixed frame's fixture block, later slide in proper order into second floor filter screen and third layer filter screen again, screw up adjusting bolt at last again, adjusting bolt's rotation makes the locking plate down, the bellying card on the lockhole is on the fixture block, realize spacing to the fixture block, the filter screen installation finishes to put into the sand setting after and handles the pond.
7. The method for optimal allocation of water resources as claimed in claim 6, wherein: set up the through-hole on the connecting rod, later go into the through-hole of connecting rod card with the locating lever card and fix in the bottom of connecting rod, the connecting rod of the filter screen on upper strata can be fixed in the through-hole with its locating lever card income.
8. The method for optimal allocation of water resources as claimed in claim 6, wherein: and in the filter screen treatment and cleaning stage, when the upper communicated sand sedimentation tank is filled with water, the filter screen frame is communicated with the filter screen to take out the separated sand and stone and clean the filter screen after the second partition plate is closed.
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