CN105133570A - Single-well single-control pumping and injection integrated system and control method thereof - Google Patents
Single-well single-control pumping and injection integrated system and control method thereof Download PDFInfo
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- CN105133570A CN105133570A CN201510593693.4A CN201510593693A CN105133570A CN 105133570 A CN105133570 A CN 105133570A CN 201510593693 A CN201510593693 A CN 201510593693A CN 105133570 A CN105133570 A CN 105133570A
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Abstract
The invention discloses a single-well single-control pumping and injection integrated system and a control method thereof. The single-well single-control pumping and injection integrated system comprises at least one precipitation well, wherein water in the precipitation well is pumped to a water collecting tank, the water collecting tank is connected with a pressure regulation system through a pipe, and the pressure regulation system is connected with a return pump water collecting header pipe through a pressure pipe. At least one recharge well is connected to the return pump water collecting header pipe, and a pressure reduction system is arranged on the pipe between each recharge well and the pressure pipe. The single-well single-control pumping and injection integrated system integrates precipitation and recharge, can individually control the recharge pressure of each recharge well, can further play the maximum recharge capacity of each recharge well, avoids the 'negative effect' brought by the 'cask effect', effectively decreases the number of the recharge wells under the condition of the same recharge amount, reduces the cost and saves working space.
Description
Technical field
The present invention relates to foundation pit dewatering, recharge equipment, particularly a kind of individual well single control is taken out and is filled with integral system and control method thereof.
Background technology
Recharging is control groundwater level, or prevents the effective measures because engineering dewatering causes surface settlement, underground water is wasted.Recycling mode conventional in engineering has: surface infiltration method and well point injection method.Surface infiltration method due to comparatively large by formation properties limitation, so less employing.Be main mainly with enhancing perfusion method in the injection method of well point, and existing enhancing perfusion equipment mainly has the following disadvantages:
1, adopt the mode of pressurized equipment and recharge well " one_to_one corresponding ", cost is too high, takes up room large, less employing.
2, adopt pressurized equipment directly or be forced into pressurized tank and be indirectly diverted to each recharge well, also i.e. pressurized equipment and recharge well " one-to-many ".This mode generally adopts, but this equipment can not control separately the pressure of each recharge well, easily produce " wooden pail effect ", namely multiple recharge well should select minimum pressure to recharge, so must increase the quantity of recharge well under the amount of recharging on an equal basis, bring cost and increase spatially immediately.
3, mostly adopt manual record to recharge the mode of data, there is the problem of hysteresis quality, poor in timeliness.
Summary of the invention
For solving the deficiency that prior art exists, the invention discloses a kind of individual well single control and take out filling integral system and control method thereof, integrate precipitation, recharge, what can control separately each recharge well recharges pressure, and then can play the maximum water recharge capacity of each recharge well, avoids " negative interaction " that " wooden pail effect " brings, under the identical amount of recharging, effectively decrease the quantity of recharge well, reduce cost, save working space.
For achieving the above object, concrete scheme of the present invention is as follows:
A kind of individual well single control takes out filling integral system, comprise at least one dewatering well, water in dewatering well is pumped to header tank, header tank is connected with voltage-regulating system by pipeline, voltage-regulating system is connected with at least one recharge well by pressure pipeline, returning in each recharge well is raised pipeline with returning and is raised water header and be connected, and the pipeline between each recharge well and pressure piping is provided with depressurized system;
Voltage-regulating system and depressurized system are all connected with control system, control system set each recharge well corresponding recharge pressure, instruction is sent to voltage-regulating system and carries out adjustment hydraulic pressure, when recharge in certain recharge well that pressure exceeds recharge well maximum recharge pressure time, control system regulates depressurized system to carry out reducing pressure until be down to the force value of setting, realizes the control of recharging pressure of single recharge well.
Further, described header tank is also connected with water quality monitoring system and filtration system respectively, water quality monitoring system monitor water quality in header tank qualified time, water then in header tank is directly delivered to voltage-regulating system, when the water quality that water quality monitoring system monitors in header tank is defective, water in header tank filters through strainer, is then delivered to voltage-regulating system.
Further, described filtration system comprises strainer, the arrival end of strainer is connected with the pipeline between header tank and voltage-regulating system by the first pipeline, first pipeline arranges switch valve, the port of export of strainer is connected with the pipeline between header tank and voltage-regulating system by the second pipeline, second pipeline arranges one way valve, and the pipeline be arranged between header tank between the first pipeline and the second pipeline and voltage-regulating system is the 3rd pipeline, and the 3rd pipeline arranges switch valve.
Further, after water quality detection, if water quality is qualified, then open the switch valve on the 3rd pipeline, close the switch valve on the first pipeline, directly enter voltage-regulating system, otherwise, close the switch valve on the 3rd pipeline, open the switch valve on the first pipeline, after metre filter is qualified, then enter voltage-regulating system, one way valve prevents aqueous reflux from returning strainer.
Further, described voltage-regulating system comprises frequency converter, and frequency converter is connected with multiple variable frequency pump, and variable frequency pump is arranged on the pipeline between pressure pipeline and aqueduct, the pipeline upper inlet end at variable frequency pump place is provided with switch valve, and the port of export is disposed with flap valve and switch valve.
Further, one end of pressure pipeline is provided with voltage stabilizing and fills with, pressure pipeline is also provided with pressure sensor, and pressure pipeline is also connected with corresponding recharge well respectively by pipeline, and the pipeline between each recharge well and pressure pipeline is respectively arranged with flow meter near pressure pipeline place.
Further, each recharge well returns the pipeline raising outlet and all raises pipeline be connected with header tank through returning, and returns raise returning to raise on pipeline and being provided with switch valve of outlet near recharge well.
Further, depressurized system comprises on the pipeline between pressure pipeline and recharge well that the switch valve be successively set on branch road, Pressure reducing valve for hot water and flap valve be connected with the two ends of branch road and is provided with switch valve.
Further, the described control system master control platform that comprises GSM/GPRS wireless senser and communicate with it.
Further, be provided with bridge type filter pipe in described recharge well, the below of bridge type filter pipe is provided with back raises pump.
Individual well single control takes out a control method of filling with integral system, comprising:
Step 1: the water in dewatering well is evacuated to header tank by suction pump;
Step 2: water precipitates in header tank, water quality in detected set water tank; If precipitation water quality meets the standard of recharging, switched by switch valve, directly enter the pressurization of variable frequency pump group; If precipitation water quality does not meet the standard of recharging, switched by switch valve, enter metre filter, enter the pressurization of variable frequency pump group afterwards again;
Step 3: force value is recharged in the setting of master control platform, by GSM/GPRS wireless senser, instruction is reached frequency converter, the rotating speed of adjustment variable frequency pump, arrives setup pressure value, recharge water pressure monitored at any time by pressure sensor, and recharge water flows in sealing recharge well by the delivery port of variable frequency pump group;
If certain recharge well occurs that the amount of recharging of recharge well no longer has when significantly increasing with the increase of pressure, also namely recharge pressure to exceed this recharge well and bear maximum pressure, switch the switch valve on this recharge well pipeline, Pressure reducing valve for hot water on adjustment branch road, make this well recharge water Pressure Drop to steady pressure, other recharge well pressure are constant;
Step 4: regularly open back and raise pump, switching valve raises pipeline to returning, in order to avoid blocking of recharge well, efficiency is recharged in impact.
Beneficial effect of the present invention:
1, the present invention integrates precipitation, recharges, what can control separately each recharge well recharges pressure, and then the maximum water recharge capacity of each recharge well can be played, avoid " negative interaction " that " wooden pail effect " brings, under the identical amount of recharging, effectively decrease the quantity of recharge well, reduce cost, save working space.
The problem of 2, the intelligentized data acquisition of the present invention, control system avoids manual record, Non-follow control brings hysteresis quality, poor in timeliness, for theoretical research afterwards provide in real time, data reference accurately.
3, the interface of the whole equipment of the present invention adopts standardized designs, assembled specification, quick, and mobile, convenient transportation, has better compliance in the job site of complexity.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present invention;
Fig. 2 is the pipeline schematic diagram that pressure of the present invention controls separately;
Fig. 3 is control flow chart of the present invention;
In figure, 1, dewatering well, 2, suction pump, 3, header tank, 4, strainer, 5-1 ~ 5-5, switch valve, 6, one way valve, 7, variable frequency pump, 8, flap valve, 9, pressure sensor, 10, vacuum tank, 11, frequency converter, 12, flow meter, 13, Pressure reducing valve for hot water, 14, pressure meter, 15, recharge well, 16, bridge type filter pipe, 17, return and raise pump, 18, return and raise pipeline, 19, GSM/GPRS wireless senser, 20, master control platform.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, a kind of individual well single control is taken out and is filled with the capital equipment of integral system and comprise suction pump 2, header tank 3, strainer 4, variable frequency pump group, GSM/GPRS wireless senser 19, master control platform 20, pipeline and various valve class, instrument.
Suction pump 2 is common general pump, groundwater abstraction in dewatering well 1, arrives the object of foundation pit dewatering; During multiple dewatering well 1, dewatering well 1 is connected with header tank 3 water inlet by dewatering well supply mains.Header tank 3 delivery port bifurcation road, one is directly connected with variable frequency pump group, and one is connected with strainer 4.Have the dividing plate of twice top opening in header tank 3, can play the effect intercepting precipitation silt, floor installation wheel, transport, conveniently moving, header tank 3 can according to the size of amount of precipitation, assembled by flange-interface.
Strainer 4 mainly carries out filtration treatment to precipitation water source, makes it reach and recharges water quality requirement; Variable frequency pump group comprises frequency converter 11, variable frequency pump 7, vacuum tank 10 and pipeline thereof, valve class, is to take out the main pressures partially of filling with in integration apparatus, can be adjusted the rotating speed of variable frequency pump 7, and then reach the effect of pressure regulation by adjustment frequency converter 11.
Vacuum tank 10 mainly stablizes water pressure, avoids variable frequency pump 7 frequent starting, extends the application life of variable frequency pump 7; The information of the pressure sensor 9, flow transmitter etc. that get can wirelessly be reached master control platform 20 by GSM/GPRS wireless senser 19, and can return control command; Master control platform 20 is the control axis system of equipment, is responsible for sending control command, checks, monitors and recharge data message etc.
The pipeline of the application mainly comprise recharge pipeline, return raise pipeline 18, bridge type filter pipe 16 etc., the mainly circulation passage at water source; Valve class comprises switch valve 5-1 ~ 5-5, one way valve 6, Pressure reducing valve for hot water 13, flap valve 8 etc., mainly to the control of the flow direction, pressure etc. of water; Instrument comprises pressure meter 14, flow meter 12, pressure sensor 9 etc., mainly monitors flow and the pressure of recharge water.
As shown in Figure 3, a kind of individual well single control takes out the control method of filling with integration apparatus, comprises the following steps:
Step 1: the water in dewatering well 1 is evacuated to header tank 3 by suction pump 2;
Step 2: water precipitates in header tank 3, water quality in detected set water tank 3;
Step 2-1: if precipitation water quality meets the standard of recharging, switched by switch valve, directly enters the pressurization of variable frequency pump group;
Step 2-1: if precipitation water quality does not meet the standard of recharging, switched, enter strainer 4 and filter by switch valve, enters the pressurization of variable frequency pump group afterwards again;
Step 3: force value is recharged in master control platform 20 setting, by GSM/GPRS wireless senser 19, instruction is reached frequency converter 11, the rotating speed of adjustment variable frequency pump 11, arrive setup pressure value, pressure sensor 9 monitors recharge water pressure at any time, and recharge water flows in sealing recharge well 15 by the delivery port of variable frequency pump group;
Step 3-1: if certain recharge well 15 occurs that the amount of recharging of recharge well no longer has when significantly increasing with the increase of pressure, also namely recharge pressure to exceed this recharge well 15 and bear maximum pressure, switch the switch valve on this recharge well 15 pipeline, Pressure reducing valve for hot water 13 on adjustment branch road, make this well recharge 15 water pressures and be down to steady pressure, other recharge well pressure are constant;
Step 4: regularly open back and raise pump 17, switching valve raises pipeline 18 to returning, in order to avoid recharge well 15 blocks, efficiency is recharged in impact.
Operationally, suction pump 2 draws water the application from dewatering well 1, is evacuated to by water in header tank 3 and precipitates, after water quality detection, if water quality is qualified, then open switch valve 5-2, closing switch valve 5-1, directly enter variable frequency pump group, otherwise, closing switch valve 5-2, open switch valve 5-1, through strainer 4 filter qualified after, then enter variable frequency pump group, wherein one way valve 6 prevents aqueous reflux from returning strainer.
Recharge pressure by console 20 setting, instruction passes to frequency converter 11 through GSM/GPRS wireless senser, and then the rotating speed of adjustment variable frequency pump 7, recharges pressure with what reach setting.Wherein, on variable frequency pump group outlet pipeline successively through flap valve 8, switch valve, vacuum tank 10 and pressure sensor 9.Flap valve 8 is safety valve, prevents recharge water from flowing back to variable frequency pump 7, and switch valve can control the break-make pipeline of each variable frequency pump 7, and vacuum tank 10 can steady pressure, avoids variable frequency pump 7 frequent starting, is conducive to the life-span extending variable frequency pump 7.The water pressure that pressure sensor 9 Real-Time Monitoring variable frequency pump produces, and in real time by GSM/GPRS wireless senser 19 and master control platform 20 interactive information.
As shown in Figure 2, with the recharge water of setting pressure, pour into stratum through the pipeline leading to recharge well 15.Time initial, press water enters recharge well 15 through flow meter 12, switch valve 5-3, pressure meter 14, bridge type filter pipe 16 successively, and other pipelines by that analogy.If now have certain recharge well 15 (such as recharge well 1#) to occur the amount of recharging of recharge well no longer has when significantly increasing with the increase of pressure, illustrate now recharge the water recharge capacity of pressure beyond recharge well 1#, then closing switch valve 5-3, open switch valve 5-4, adjustment Pressure reducing valve for hot water 13, until pressure meter 14 is reduced to less steady pressure value (can recharge historical data from master control platform 20 and inquire suitable force value), this branch road is provided with one way valve 6 equally, guarantees water (flow) direction.Wherein, what flow meter 12 can add up each recharge well recharges flow, and by GSM/GPRS wireless senser 19 and master control platform 20 interactive information, bridge type filter pipe 16 is well casings main in well, can play water filtering function.
Other recharge wells can continue pressurization, and by the indivedual recharge well of adjustment recharge branch road and on Pressure reducing valve for hot water 13, until reach respective maximumly recharge pressure.
In order to prevent from recharging for a long time the pipe well blocking caused, affect water recharge capacity, regularly will open back and raise pump 17, and the switch valve that closedown is recharged on pipeline, open switch valve 5-5, making back to pump up water flows into header tank 3 through time raising pipeline 18, recycles.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. an individual well single control takes out filling integral system, it is characterized in that, comprise at least one dewatering well, water in dewatering well is pumped to header tank, header tank is connected with voltage-regulating system by pipeline, voltage-regulating system is connected with at least one recharge well by pressure pipeline, and returning in each recharge well is raised pipeline with returning and raised water header and be connected, and the pipeline between each recharge well and pressure piping is provided with depressurized system;
Voltage-regulating system and depressurized system are all connected with control system, control system set each recharge well corresponding recharge pressure, instruction is sent to voltage-regulating system and carries out adjustment hydraulic pressure, when recharge in certain recharge well that pressure exceeds recharge well maximum recharge pressure time, control system regulates depressurized system to carry out reducing pressure until be down to the force value of setting, realizes the control of recharging pressure of single recharge well.
2. a kind of individual well single control as claimed in claim 1 takes out filling integral system, it is characterized in that, described header tank is also connected with water quality monitoring system and filtration system respectively, water quality monitoring system monitor water quality in header tank qualified time, water then in header tank is directly delivered to voltage-regulating system, when the water quality that water quality monitoring system monitors in header tank is defective, the water in header tank filters through strainer, is then delivered to voltage-regulating system.
3. a kind of individual well single control as claimed in claim 2 takes out filling integral system, it is characterized in that, described filtration system comprises strainer, the arrival end of strainer is connected with the pipeline between header tank and voltage-regulating system by the first pipeline, first pipeline arranges switch valve, the port of export of strainer is connected with the pipeline between header tank and voltage-regulating system by the second pipeline, second pipeline arranges one way valve, the pipeline be arranged between header tank between the first pipeline and the second pipeline and voltage-regulating system is the 3rd pipeline, and the 3rd pipeline arranges switch valve.
4. a kind of individual well single control as claimed in claim 3 takes out filling integral system, it is characterized in that, after water quality detection, if water quality is qualified, then open the switch valve on the 3rd pipeline, close the switch valve on the first pipeline, directly enter voltage-regulating system, otherwise, close the switch valve on the 3rd pipeline, open the switch valve on the first pipeline, after metre filter is qualified, enter voltage-regulating system again, one way valve prevents aqueous reflux from returning strainer.
5. a kind of individual well single control as claimed in claim 1 takes out filling integral system, it is characterized in that, described voltage-regulating system comprises frequency converter, frequency converter is connected with multiple variable frequency pump, variable frequency pump is arranged on the pipeline between pressure pipeline and aqueduct, the pipeline upper inlet end at variable frequency pump place is provided with switch valve, and the port of export is disposed with flap valve and switch valve.
6. a kind of individual well single control as claimed in claim 5 takes out filling integral system, it is characterized in that, one end of pressure pipeline is provided with voltage stabilizing and fills with, pressure pipeline is also provided with pressure sensor, pressure pipeline is also connected with corresponding recharge well respectively by pipeline, and the pipeline between each recharge well and pressure pipeline is respectively arranged with flow meter near pressure pipeline place.
7. a kind of individual well single control as claimed in claim 1 takes out filling integral system, it is characterized in that, each recharge well returns the pipeline raising outlet and all raises pipeline be connected with header tank through returning, and returns raise returning to raise on pipeline and being provided with switch valve of outlet near recharge well.
8. a kind of individual well single control as claimed in claim 7 takes out filling integral system, it is characterized in that, depressurized system comprises on the pipeline between pressure pipeline and recharge well that the switch valve be successively set on branch road, Pressure reducing valve for hot water and flap valve be connected with the two ends of branch road and is provided with switch valve.
9. a kind of individual well single control as claimed in claim 1 takes out filling integral system, it is characterized in that, the master control platform that described control system comprises GSM/GPRS wireless senser and communicates with it;
Be provided with bridge type filter pipe in described recharge well, the below of bridge type filter pipe is provided with back raises pump.
10. individual well single control takes out a control method of filling with integral system, it is characterized in that, comprising:
Step 1: the water in dewatering well is evacuated to header tank by suction pump;
Step 2: water precipitates in header tank, water quality in detected set water tank; If precipitation water quality meets the standard of recharging, switched by switch valve, directly enter the pressurization of variable frequency pump group; If precipitation water quality does not meet the standard of recharging, switched by switch valve, enter metre filter, enter the pressurization of variable frequency pump group afterwards again;
Step 3: force value is recharged in the setting of master control platform, by GSM/GPRS wireless senser, instruction is reached frequency converter, the rotating speed of adjustment variable frequency pump, arrives setup pressure value, recharge water pressure monitored at any time by pressure sensor, and recharge water flows in sealing recharge well by the delivery port of variable frequency pump group;
If certain recharge well occurs that the amount of recharging of recharge well no longer has when significantly increasing with the increase of pressure, also namely recharge pressure to exceed this recharge well and bear maximum pressure, switch the switch valve on this recharge well pipeline, Pressure reducing valve for hot water on adjustment branch road, make this well recharge water Pressure Drop to steady pressure, other recharge well pressure are constant;
Step 4: regularly open back and raise pump, switching valve raises pipeline to returning, in order to avoid blocking of recharge well, efficiency is recharged in impact.
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| CN201510593693.4A CN105133570B (en) | 2015-09-17 | 2015-09-17 | A kind of individual well single control takes out filling integral system and its control method |
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| CN201510593693.4A CN105133570B (en) | 2015-09-17 | 2015-09-17 | A kind of individual well single control takes out filling integral system and its control method |
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Cited By (8)
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| CN105625295A (en) * | 2016-03-09 | 2016-06-01 | 上海长凯岩土工程有限公司 | Foundation pit groundwater recharging system |
| CN106444660A (en) * | 2016-09-22 | 2017-02-22 | 济南轨道交通集团有限公司 | Recharge control system |
| CN106498961A (en) * | 2016-11-28 | 2017-03-15 | 中铁大桥局集团第工程有限公司 | It is provided with the Yield rainfall relation system and its Yield rainfall relation method of detachable header tank |
| CN106884435A (en) * | 2017-03-10 | 2017-06-23 | 济南轨道交通集团有限公司 | Foundation pit dewatering and recharging intelligent control system with touch display panel |
| CN111443169A (en) * | 2020-05-18 | 2020-07-24 | 江苏省地质调查研究院 | Underground water manual recharge test system |
| CN112049138A (en) * | 2020-09-04 | 2020-12-08 | 湖南省第六工程有限公司 | Deep foundation pit dewatering, purifying and recharging integrated system and control method |
| CN116147690A (en) * | 2023-04-19 | 2023-05-23 | 北京城建集团有限责任公司 | Dynamic recharging test system and method for resource recharging group well effect |
| CN116186869A (en) * | 2023-05-05 | 2023-05-30 | 北京城建集团有限责任公司 | Precipitation recharging integrated design method for deep foundation pit precipitation and short-path recharging |
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| CN105625295A (en) * | 2016-03-09 | 2016-06-01 | 上海长凯岩土工程有限公司 | Foundation pit groundwater recharging system |
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| CN111443169A (en) * | 2020-05-18 | 2020-07-24 | 江苏省地质调查研究院 | Underground water manual recharge test system |
| CN112049138A (en) * | 2020-09-04 | 2020-12-08 | 湖南省第六工程有限公司 | Deep foundation pit dewatering, purifying and recharging integrated system and control method |
| CN116147690A (en) * | 2023-04-19 | 2023-05-23 | 北京城建集团有限责任公司 | Dynamic recharging test system and method for resource recharging group well effect |
| CN116186869A (en) * | 2023-05-05 | 2023-05-30 | 北京城建集团有限责任公司 | Precipitation recharging integrated design method for deep foundation pit precipitation and short-path recharging |
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