CN107956510A - A kind of drainage system and method - Google Patents
A kind of drainage system and method Download PDFInfo
- Publication number
- CN107956510A CN107956510A CN201711060147.XA CN201711060147A CN107956510A CN 107956510 A CN107956510 A CN 107956510A CN 201711060147 A CN201711060147 A CN 201711060147A CN 107956510 A CN107956510 A CN 107956510A
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- water
- water level
- water pump
- pump
- pump group
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
Abstract
The invention discloses a kind of drainage system and method, the drainage system includes：It is provided with water pump group, the control mechanism of control water pump group operation and the water level sensor of at least one sensed water level information of at least two water pumps, the water pump in the water pump group is connected with water level sensor with the control mechanism；The water level sensor, the control mechanism is sent to for sensed water level information, and by the water level information detected；The control mechanism, for when the water level information reaches preset condition, indicating the pumping drainage in the water pump group.The water pump group that the present invention can start in drainage system in time in water burst, the permeable or water inrush accident of mine burst carries out draining, avoid triggering security incident, and by setting at least two water pumps, when displacement is little, rotation work, starting mode of pump number and run time are reduced, reduces equipment failure rate.
Description
Technical field
The present invention relates to technical field of drainage, and in particular to a kind of drainage system and method.
Background technology
With the development of coal industry high-yield and high-efficiency, mine safety problem becomes the key factor for restricting coal production.
Underground drainage system is one of four big systems in coal production, is responsible for the vital task that underground ponding excludes, can it normal
Operation directly affects the security of whole shaft production.Underground drainage system once breaks down, and not only influences downhole production,
Can even mine be flooded, jeopardize the life of direct labor.
At present, underground main drainage system can be divided into manually control system on the spot and two major class of automatic control system；Wherein, people
Work on the spot control system there are the problem of have at following 2 points：1. which is based on manually controlling, thus water level detecting essence
Degree is not high, and arbitrariness is also big for operation, can not realize real-time monitoring and the scientific dispatch of drainage procedure of water yield.Water yield increases suddenly
When big, if operating personnel do not find in time and processing, the generation of serious accident will be caused；2. manual operation can not avoid height
The operation of the work of intensity, especially gate valve, the amount of labour are maximum.And automatic control system, although part solves manually on the spot
The problem of control system, but unsound there are control function, can not realize underground " unattended " automatic operating, personnel on well
The problem of real-time monitoring；And equipment failure rate is higher.
The problem of for automatic control system, industry it is also proposed many solutions, such as Publication No.
CN106194761A, entitled " the automation drainage system of transfer sump " application for a patent for invention, utilizes negative pressure water tank and centrifugation
Pump, the liquid in transfer sump is extracted by negative pressure, eliminates existing water outlet electric gate valve, water filling electrical ball valve, exhaust
Electrical ball valve and bottom valve, simplify the structure of automation drainage system, for ease of maintenaince and replace, reduce cost；But this side
The drainage system Starting mode of case is single, can not tackle the water burst of mine burst, permeable or water inrush accident, can only solve local row
Water problems, can not undertake the draining of whole mine, and there are equipment failure rate it is higher the problem of.
For another example, notification number CN204041108U, entitled " mine district track goes down the hill to tunnel automation drainage system "
Utility model patent, carry out draining automatically using ball-cock assembly, it is easy to operate, reduce because staff forget operate and draw
The accident of hair；But the problem of drainage system Starting mode is single, equipment failure rate is higher is equally existed, and the patent is point
The draining of formula puddle is dissipated, using there is larger limitation, is such as only applicable to the draining that depth is less than 1m situations.
The content of the invention
In view of this, an embodiment of the present invention is intended to provide a kind of drainage system and method, can tackle mine burst water burst,
Permeable or water inrush accident, reduces equipment failure rate.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
An embodiment of the present invention provides a kind of drainage system, the drainage system includes：It is provided with least two water pumps
Water pump group, the control mechanism of control water pump group operation and at least one water level sensor, the water pump in the water pump group
It is connected with water level sensor with the control mechanism；
The water level sensor, the control machine is sent to for sensed water level information, and by the water level information detected
Structure；
The control mechanism, for when the water level information reaches preset condition, indicating the water pump in the water pump group
Draining.
Preferably, the water level information includes water level and SEA LEVEL VARIATION speed；
The water level sensor is equipped with two, respectively apart from the pump mouth pre-determined distance of the water pump.
Preferably, the control mechanism is PLC, and the control mechanism is equipped with and records each water pump operation in the water pump group
The recording-member of situation.
Preferably, the temperature for detecting the pump working loading condition is both provided with each water pump in the water pump group
Sensor and current sensor, the temperature sensor and current sensor are connected with the control mechanism.
Preferably, each water pump in the water pump group is individually equipped with water inlet pipe and drainpipe, and each drainpipe is all provided with
There is water valve；The hydraulic pressure biography for detecting the pumping for water pump ability is both provided with drainpipe between each water valve and the water pump
Sensor, the drainpipe in each water valve exit are equipped with the flow sensor for detecting the pumping for water pump ability；The water valve, water
Pressure sensor and flow sensor are connected with the control mechanism.
Preferably, the water pump in the water pump group is centrifugal pump, be all provided with above the centrifugal pump it is helpful it is described from
Heart pump produces the jet pump of negative pressure；The water valve is gate valve.
Preferably, the drainage system further includes the remote console of drainage system described in remote monitoring and easy to tie up
The execute-in-place platform of the drainage system is controlled when repairing；
Remote console and the execute-in-place platform is all connected with the control mechanism, the remote console and execute-in-place
Platform is equipped with the operation button for controlling the drainage system operation.
The embodiment of the present invention additionally provides a kind of water discharge method, the described method includes：
Obtain the water level information of water level sensor detection；
When the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps.
Preferably, the water level information for obtaining water level sensor detection, including：Obtain the water level of water level sensor detection
With SEA LEVEL VARIATION speed；
When the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps, including：Institute
When stating water level and exceeding preset water level pace of change threshold value more than preset water level threshold value and/or the SEA LEVEL VARIATION speed, instruction is set
It is equipped with the water pump group pumping water of at least two water pumps.
Preferably, before the water level information of the acquisition water level sensor detection, the method further includes：
Record the operation conditions of each water pump in the water pump group；
According to the operation conditions of each water pump in the water pump group, the use priority of each water pump is determined.
Preferably, when the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps,
Including：
According to the use priority of the water level information and each water pump, the water pump started in the water pump group is determined.
Preferably, when the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps,
Including：
The water level changes more than the first preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the first preset water level
Threshold speed, and when current time is the low power consumption time, indicate the part pumping drainage of the water pump group；
The water level changes more than the second preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the second preset water level
During threshold speed, whole pumping drainages of the water pump group are indicated；
When the water level is less than the 3rd preset water level threshold value, or current time is peak of power consumption time and water level less than the
During one preset water level threshold value, indicate that the water pump group stops draining.
Preferably, when the water level information reaches preset condition, instruction is provided with the water pump group row of at least two water pumps
After water, the method further includes：
The hydraulic pressure in each pump drain pipe is obtained, when the hydraulic pressure is less than default hydraulic pressure threshold value, closes corresponding water pump.
Preferably, when the water level information reaches preset condition, instruction is provided with the water pump group row of at least two water pumps
After water, the method further includes：
The opening of the flow and water valve in each pump drain pipe is obtained, when water valve fully opens, the flow is small
In preset flow threshold value, corresponding water pump is closed.
Preferably, when the water level information reaches preset condition, instruction is provided with the water pump group row of at least two water pumps
After water, the method further includes：
Obtain the operating temperature and operating current of each pump motor, when the operating temperature be more than preset temperature threshold value and/
Or operating current is more than predetermined current threshold, closes corresponding water pump.
Drainage system provided in an embodiment of the present invention and method, set at least one sensed water level and SEA LEVEL VARIATION speed
Water level sensor, the water level obtained according to the water level sensor and/or SEA LEVEL VARIATION speed, determine water in the drainage system
The startup of water pump in pump group, the water pump during drainage system can be started in time in water burst, the permeable or water inrush accident of mine burst
Group carries out draining, avoids triggering security incident, and by setting at least two water pumps, when displacement is little, rotation work, subtracts
Few starting mode of pump number and run time, reduce equipment failure rate.
Brief description of the drawings
Fig. 1 is the schematic diagram of one drainage system of the embodiment of the present invention；
Fig. 2 is the schematic diagram of two drainage system of the embodiment of the present invention；
Fig. 3 is the flow diagram of three water discharge method of the embodiment of the present invention；
Fig. 4 is the flow that the embodiment of the present invention four determines starting mode of pump according to water level, SEA LEVEL VARIATION speed and electricity consumption time
Schematic diagram；
Fig. 5 is the flow diagram of five single starting mode of pump of the embodiment of the present invention；
Fig. 6 is the flow diagram of six pump working status monitoring of the embodiment of the present invention.
Embodiment
An embodiment of the present invention provides a kind of drainage system, the drainage system includes：It is provided with least two water pumps
The water level sensor of water pump group, the control mechanism of the control water pump group operation and at least one sensed water level information, it is described
Water pump in water pump group is connected with water level sensor with the control mechanism；When the water level information meets preset condition, institute
State control mechanism and indicate the water pump group pumping water.
The principle of the embodiment of the present invention is：The water level sensor of at least one sensed water level and SEA LEVEL VARIATION speed is set,
The water level and/or SEA LEVEL VARIATION speed obtained according to the water level sensor, determines in the drainage system water pump in water pump group
Startup, the water pump group that when water burst that can be happened suddenly in mine, permeable or water inrush accident start in drainage system in time carries out draining,
Avoid triggering security incident, and by setting at least two water pumps, when displacement is little, rotation work, reduces starting mode of pump
Number and run time, reduce equipment failure rate.
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings and have
The present invention is further elaborated for the Application Example of body, appended attached drawing purposes of discussion only for reference, is not used for limiting this
Inventive embodiments.
Embodiment one
Fig. 1 is the schematic diagram of one drainage system of the embodiment of the present invention, as shown in Figure 1, a kind of drainage system, including water pump group
11st, control mechanism 12 and water level sensor 13；Wherein,
The water pump group 11, is used for：Draining is carried out according to the instruction of the control mechanism 12, the water pump group 11 is at least set
There are two water pumps, be so easy to pump house rotation work, reduce equipment failure rate；
The control mechanism 12, is used for：When the water level information reaches preset condition, indicate that the water pump group 11 is arranged
Water；
Here, the water level information includes water level and SEA LEVEL VARIATION speed, and the SEA LEVEL VARIATION speed, also referred to as water level become
Rate, for ease of processing, by the increased SEA LEVEL VARIATION speed of water level be defined as on the occasion of, by water level reduce SEA LEVEL VARIATION speed determine
Justice is negative value, in this way, when SEA LEVEL VARIATION rate is big, means that water level gathers way soon；
The water level information reaches preset condition, including water level exceedes preset water level threshold value and/or SEA LEVEL VARIATION speed surpasses
Cross preset water level pace of change threshold value.
The water level sensor 13, is used for：Sensed water level information, and the water level information detected is sent to the control
Mechanism 12.
Embodiment two
Fig. 2 is the schematic diagram of two drainage system of the embodiment of the present invention, as shown in Fig. 2, a kind of drainage system, including water pump group
21st, PLC22, water level sensor 23, gate valve 24, hydraulic pressure sensor 25, flow sensor 26, temperature sensor 27, current sense
Device 28, remote console 29 and execute-in-place platform；Wherein,
The water pump group 21, is used for：Draining is carried out according to the instruction of the PLC22, the water pump group 21 is at least provided with two
A water pump, is so easy to pump house rotation work, reduces equipment failure rate；
The water pump is centrifugal pump, and the jet stream that the helpful centrifugal pump produces negative pressure is all provided with above the centrifugal pump
Pump；Specifically, starting mode of pump flow includes：First starting jet pump, centrifugal pump is produced negative pressure, i.e. vacuum, water inlet pipe absorbs water,
Centrifuge pump startup；
Wherein, the jet pump is provided with B/P EGR Back Pressure Transducer EGR, for detecting the negative pressure of jet pump, when negative pressure reaches preset negative
When pressing threshold value, the water inlet valve of centrifugal pump is opened, and water is inhaled into centrifugation pump housing, starts centrifugal pump.
The PLC22, is used for：When the water level information reaches preset condition, indicate that the water pump group 21 carries out draining；
The water level information reaches preset condition, including water level exceedes preset water level threshold value and/or SEA LEVEL VARIATION speed surpasses
Cross preset water level pace of change threshold value.
Further, the PLC22 is except according to water level information, to determine whether the water pump group 21 is needed outside draining,
It can be combined with current time and determine the need for draining；
Specifically, the water level is default more than first more than the first preset water level threshold value and/or the SEA LEVEL VARIATION speed
SEA LEVEL VARIATION threshold speed, and when current time is the low power consumption time, indicate the part pumping drainage of the water pump group 21；
The water level changes more than the second preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the second preset water level
During threshold speed, whole pumping drainages of the water pump group 21 are indicated；
Here, the first preset water level threshold value, the first preset water level pace of change threshold value, the second preset water level threshold value and
Second preset water level pace of change threshold value be according to needing the concrete condition of drainage position to set, such as can according to the height of mine passage
Determine the first preset water level threshold value and the second preset water level threshold value, first is determined according to the theoretical reservoir storage of mine passage default water
Position pace of change threshold value and the second preset water level pace of change threshold value etc.；Wherein,
The second preset water level threshold value and the second preset water level pace of change threshold value represent water level or SEA LEVEL VARIATION speed
Very high, not draining at once, may trigger accident；And the first preset water level threshold value and the first preset water level pace of change threshold value
Represent that water level or SEA LEVEL VARIATION speed are somewhat high, but also in controllable scope, can if current time is the low power consumption time
To carry out draining, if not the low power consumption time, draining can be postponed.
Here, the electricity price of low power consumption time and non-electrical low ebb time are different；Born in this way, both having balanced power grid
Lotus, also saves electric cost expenditure because of the difference of time-of-use tariffs；Namely by " peak load shifting " to power consumption, reach section
The purpose of energy.
When the water level is less than the 3rd preset water level threshold value, or current time is peak of power consumption time and water level less than the
During one preset water level threshold value, indicate that the water pump group 21 stops draining；
Here, the 3rd preset water level threshold value is by the attainable lowest water level of draining institute, i.e., in low power consumption
Between when, drainings as more as possible, so that sump can vacate volume as big as possible；And if in the peak of power consumption time, only need water level
Less than the first preset water level threshold value, you can stop draining；
That is, saving electric energy to greatest extent, by monitoring network load in real time electricity consumption can be taken " to keep away peak just
The control strategy of paddy ", plans as a whole the start and stop of scheduling water pump group water pump, avoids starting at " crest segment " as far as possible, dispatches each water pump in electricity consumption
" paddy section " and " flat section " period work, the water level of sump is drained into the low level of setting, so that sump can be vacateed as far as possible
Big volume, makes it accommodate more swallets at " crest segment " and be started without water pump.
Further, the water level in the water level information and SEA LEVEL VARIATION speed can set respectively except it is above-mentioned more
Multi gear threshold value, in this way, the water pump quantity started in the water pump group 21 is just more accurate, also can more preferably reduce energy consumption；Namely not
The startup of water pump can be only determined according to water level, SEA LEVEL VARIATION speed and peak valley time, can also be according to water level, SEA LEVEL VARIATION speed
Degree and peak valley time determine the quantity of starting mode of pump；
Can constantly it be corrected according to service condition, it is understood that the threshold value of the water level information is set.
Further, the PLC22 can record the operation conditions of each water pump in the water pump group 21, and according to institute
The operation conditions of each water pump in water pump group 21 is stated, determines the use priority of each water pump, preferential startup use priority is high
Water pump；In this way, the rotation work of water pump can be realized on the basis of each water pump use priority, equipment failure rate is reduced, is carried
High service life of equipment；
The operating status of the water pump can include：Accumulated running time, the last usage time, add up using secondary
Number, the accumulative number etc. that breaks down.
The PLC22 can realize the function of record institute water pump operation situation by writing corresponding program, can also be attached
If single recorder is realized.
The PLC22, is additionally operable to：According to the hydraulic pressure in each pump drain pipe, the pumpage of the water pump is determined, and close
Close the bad water pump of pumpage；According to the opening of the flow in the drainpipe and gate valve 24, the water pump is determined
Pumpage, and close the bad water pump of pumpage；According to the operating temperature and operating current of each pump motor, water pump is determined
Workload situation, and close workload weight water pump；
Here, the hydraulic pressure in the drainpipe refers to the water body pressure of the drainpipe between gate valve 24 and water pump 21,
The hydraulic pressure of the water outlet of water pump is namely close to, in no other abnormal conditions, water pressure energy reflects the pumping of the water pump
Outlet capacity, if hydraulic pressure is small, illustrates that pumping for water pump ability is bad, that is, water pump may be faulty；
Flow in the drainpipe refers to the drain discharge positioned at 24 exit of gate valve, when gate valve 24 fully opens,
If flow herein is small, also illustrate that pumping for water pump ability is bad；
To sum up：The PLC22 can be according to the hydraulic pressure in each pump drain pipe or the institute of the flow monitoring in the drainpipe
The performance and operating mode of water pump or pump motor are stated, i.e., any of described hydraulic pressure sensor 25, flow sensor 26 detect water
Pressure or flow are small, can illustrate that the performance of water pump or pump motor is bad or operating mode is bad.
The operating temperature and operating current of each pump motor, for reflecting the workload situation of pump motor, such as
Have in fruit water body cause resistance increase impurity or be pump motor axis bearing wear or lubrication it is bad, cause to load
Increase, may all cause the rise of pump motor operating temperature and/or operating current increase；Certainly, it is it to also have a seldom part
Its reason causes the operating temperature of pump motor and operating current to increase, such as longevity of service, environment temperature height, still, no
Caused by managing which kind of reason, all illustrate that water pump may be faulty, therefore close the water that operating temperature is high or operating current is big in time
Pump, can reduce equipment failure rate, improve service life of equipment；
Further, the PLC22 can start other idle water pumps, such as after possible faulty water pump is closed
Fruit can send corresponding warning message without idle water pump；Certainly, the overall displacement of the water pump group of the drainage system is set
In respect of certain allowance, after indivedual water pumps exit use because of failure, also it is unlikely to produce the problem of too big.
The water level sensor 23, is used for：Sensed water level information, and the water level information detected is sent to described
PLC22；
In order to ensure accurate sensed water level information, the water level sensor 23 is equipped with two, respectively apart from the water pump
Pump mouth pre-determined distance；
The pre-determined distance, such as the length of mine passage, can ensure two according to needing the concrete condition of drainage position to set
Water level sensor 23 is evenly arranged in the mine passage.
The gate valve 24, is used for：When the hydraulic pressure in drainpipe is more than default hydraulic pressure threshold value, Open valve draining；Here
It may be noted that if hydraulic pressure is not more than default hydraulic pressure threshold value, it is impossible to which Open valve, otherwise, will hinder water pump internal negative pressure to be formed, shadow
Xiangshui County's pumping outlet capacity, it is also possible to damage water pump；
Specifically, the gate valve 24 is additionally provided with pressure sensor, and the pressure sensor is used for the pressure for monitoring flashboard bottom
Power, to stop the action of hydraulic cylinder in time, avoids the stall of generation hydraulic pump motor, flashboard overtravel from causing flashboard or other
The problem of parts deform；Meanwhile overflow valve is additionally provided with the hydraulic pipeline of gate valve hydraulic system, in this way, opening in flashboard
Completion is opened or closes, that is, after reaching precalculated position, the hydraulic oil in hydraulic pipeline further avoids occurring by overflow valve off-load
The problem of hydraulic pump motor stall, flashboard overtravel causes flashboard or other parts to deform.
The default hydraulic pressure threshold value is set according to the type of specific water pump, specification etc., and general manufacturer has recommendation；
The setting of the gate valve 24 is one-to-one with the water pump, i.e., the drainpipe of each water pump is designed with gate valve
It is in 24, Fig. 2 that gate valve 24 is separately shown, it is the electrical connection for ease of expression gate valve 24 and PLC22.
The hydraulic pressure sensor 25, is used for：Detect the hydraulic pressure of the drainpipe between gate valve 24 and water pump 21；
The flow sensor 26, is used for：Detect the drain discharge in 24 exit of gate valve；
The temperature sensor 27 and current sensor 28, are used for：Detect the operating temperature and operating current of pump motor；
The remote console 29, is used for：The information on drainage system working status that the PLC22 is sent is received,
And shown by display screen and/or indicator light, remote monitoring is carried out to the working status of whole drainage system；It is additionally operable to urgent feelings
To the remote operation of the drainage system during condition；The remote console 29, which is equipped with, controls the operation of the drainage system operation to press
Key；
The remote operation of the remote console 29, including both of which, one kind is manual mode, and one kind is semi-automatic mould
Formula；In a manual mode, which platform water pump the startup or closing of the water pump group 21, start, how long is startup, when water pumps out
It is all operator's manual operation that whether existing failure closes etc. immediately；In semi-automatic mode, operator is according to water level information situation,
Start or switch off the pump and organize 21, but which platform water pump specifically started, how long is startup, when immediately whether water pump break down
Closing etc. is all that drainage system automatically controls.
The execute-in-place platform, is used for：In emergency or maintenance, the manual control to the drainage system；It is described
Execute-in-place platform is equipped with the operation button for controlling the drainage system operation.
In conclusion the drainage system of the embodiment of the present invention uses a variety of detection parts, it can accurately know that water level, water level become
Change speed, the performance of water pump and operating mode, using a variety of drainage patterns, the water burst of mine burst, permeable or water inrush accident can be tackled；
Always according to the operation conditions of each water pump in the water pump group 21, determine the use priority of each water pump, rotate at regular intervals, drop significantly
Low equipment failure rate, also, also more applied fields are adapted to because using a variety of detection parts and a variety of drainage patterns
Close, purposes is more extensive.
Embodiment three
Fig. 3 is the schematic diagram of three water discharge method of the embodiment of the present invention, as shown in figure 3, the described method includes：
Step 301：Obtain the water level information of water level sensor detection；
Specifically, drainage system includes water pump group, PLC and water level sensor, and PLC obtains water level by water level sensor to be believed
Breath；
The water level information for obtaining water level sensor detection, including：
PLC obtains the water level and SEA LEVEL VARIATION speed of water level sensor detection；
Here, the SEA LEVEL VARIATION speed, also referred to as SEA LEVEL VARIATION rate, for ease of processing, the increased water level of water level is become
Change speed to be defined as on the occasion of the SEA LEVEL VARIATION speed that water level reduces being defined as negative value, in this way, when SEA LEVEL VARIATION rate is big, just
Represent that water level gathers way soon；
Further, before the acquisition water level information, the method further includes：
PLC records the operation conditions of each water pump in the water pump group；
PLC determines the use priority of each water pump according to the operation conditions of each water pump in water pump group；In this way, can be
The rotation work of water pump is realized on the basis of each water pump use priority, reduces equipment failure rate, improves service life of equipment；
Specifically, the operating status of the water pump can include：Accumulated running time, the last usage time, add up
Access times, the accumulative number etc. that breaks down；
The PLC can record the function of the water pump operation situation by writing corresponding program realization, can also be attached
If single recorder is realized.
Further, the drainage system is additionally provided with remote console, water level and the SEA LEVEL VARIATION speed that the PLC is obtained
Degree can be intuitively illustrated on the display large-size screen monitors of the remote console.
Step 302：When the water level information reaches preset condition, instruction is provided with the water pump group row of at least two water pumps
Water.
Here, the water level information reaches preset condition, including water level exceedes preset water level threshold value and/or SEA LEVEL VARIATION speed
Degree exceedes preset water level pace of change threshold value.
Further, when the water level information reaches preset condition, PLC indicates to be provided with the water pump group of at least two water pumps
Draining, including：
PLC determines the water pump started in the water pump group according to the use priority of the water level information and each water pump；
In this way, in the case where that need not start all water pumps, according to the use priority of each water pump, rotation starts, can
To reduce equipment failure rate, service life of equipment is improved；
Further, when the water level information reaches preset condition, instruction is provided with the water pump group row of at least two water pumps
Water, can also include：
The water level changes more than the first preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the first preset water level
Threshold speed, and when current time is the low power consumption time, PLC indicates the part pumping drainage of the water pump group；
The water level changes more than the second preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the second preset water level
During threshold speed, PLC indicates whole pumping drainages of the water pump group；
Here, the first preset water level threshold value, the first preset water level pace of change threshold value, the second preset water level threshold value and
Second preset water level pace of change threshold value be according to needing the concrete condition of drainage position to set, such as can according to the height of mine passage
Determine the first preset water level threshold value and the second preset water level threshold value, first is determined according to the theoretical reservoir storage of mine passage default water
Position pace of change threshold value and the second preset water level pace of change threshold value etc.；Wherein,
The second preset water level threshold value and the second preset water level pace of change threshold value represent water level or SEA LEVEL VARIATION speed
Very high, not draining at once, may trigger accident；And the first preset water level threshold value and the first preset water level pace of change threshold value
Represent that water level or SEA LEVEL VARIATION speed are somewhat high, but also in controllable scope, can if current time is the low power consumption time
To carry out draining, if not the low power consumption time, draining can be postponed.
Here, the electricity price of low power consumption time and non-electrical low ebb time are different；Born in this way, both having balanced power grid
Lotus, also saves electric cost expenditure because of the difference of time-of-use tariffs；Namely by " peak load shifting " to power consumption, reach section
The purpose of energy.
When the water level is less than the 3rd preset water level threshold value, or current time is peak of power consumption time and water level less than the
During one preset water level threshold value, indicate that the water pump group stops draining；
Here, the 3rd preset water level threshold value is by the attainable lowest water level of draining institute, i.e., in low power consumption
Between when, drainings as more as possible, so that sump can vacate volume as big as possible；And if in the peak of power consumption time, only need water level
Less than the first preset water level threshold value, you can stop draining；
That is, saving electric energy to greatest extent, by monitoring network load in real time electricity consumption can be taken " to keep away peak just
The control strategy of paddy ", plans as a whole the start and stop of scheduling water pump group water pump, avoids starting at " crest segment " as far as possible, dispatches each water pump in electricity consumption
" paddy section " and " flat section " period work, the water level of sump is drained into the low level of setting, so that sump can be vacateed as far as possible
Big volume, makes it accommodate more swallets at " crest segment " and be started without water pump.
Further, the water level in the water level information and SEA LEVEL VARIATION speed can set respectively except it is above-mentioned more
Multi gear threshold value, in this way, the water pump quantity started in the water pump group is just more accurate, also can more preferably reduce energy consumption；Namely not only
The startup of water pump can be determined according to water level, SEA LEVEL VARIATION speed and peak valley time, can also be according to water level, SEA LEVEL VARIATION speed
And the peak valley time determines the quantity of starting mode of pump；
In case of emergency, the operation button that can be set by remote console is manually operated the water pump group and is arranged
Water, or water pump group pumping water is started by execute-in-place platform.
Further, when the water level information reaches preset condition, instruction is provided with the water pump group of at least two water pumps
After draining, the method further includes：
PLC obtains the hydraulic pressure in each pump drain pipe, when hydraulic pressure is less than default hydraulic pressure threshold value, closes the water pump.
Here, the hydraulic pressure in the drainpipe refers to the water body pressure of the drainpipe between gate valve and water pump, also
It is the hydraulic pressure for the water outlet for being close to water pump, in no other abnormal conditions, water pressure energy reflects the energy that draws water of the water pump
Power, if hydraulic pressure is less than default hydraulic pressure threshold value, illustrates that pumping for water pump ability is bad, that is, water pump may be faulty；It is described pre-
If hydraulic pressure threshold value is set according to the type of specific water pump, specification etc., general manufacturer has recommendation.
Also, if during pump working, cavity underfill water, can not produce big suction, water inlet pipe water suction is few, shape
Into water pump " dry combustion method ", the service life of water pump is seriously affected.
Further, when the water level information reaches preset condition, instruction is provided with the water pump group of at least two water pumps
After draining, the method further includes：
PLC obtains the opening of the flow and water valve in each pump drain pipe, when water valve fully opens, the flow
Less than preset flow threshold value, corresponding water pump is closed；
Flow in the drainpipe refers to the drain discharge positioned at gate valve exit, and flow herein can equally reflect institute
The pumpage of water pump is stated, when gate valve fully opens, if flow is less than preset flow threshold value, illustrates the pumpage of water pump
It is bad；The preset flow threshold value is set according to the type of specific water pump, specification etc., and general manufacturer has recommendation.
Further, when the water level information reaches preset condition, instruction is provided with the water pump group of at least two water pumps
After draining, the method further includes：
PLC obtains the operating temperature and operating current of each pump motor, when the operating temperature is more than preset temperature threshold value
And/or operating current is more than predetermined current threshold, closes corresponding water pump.
The operating temperature and operating current of each pump motor, for reflecting the workload situation of pump motor, such as
Have in fruit water body cause resistance increase impurity or be pump motor axis bearing wear or lubrication it is bad, cause to load
Increase, may all cause the rise of pump motor operating temperature and/or operating current increase；Certainly, it is it to also have a seldom part
Its reason causes the operating temperature of pump motor and operating current to increase, such as longevity of service, environment temperature height, still, no
Caused by managing which kind of reason, all illustrate that water pump may be faulty, therefore close the water that operating temperature is high or operating current is big in time
Pump, can reduce equipment failure rate, improve service life of equipment；
The preset temperature threshold value and predetermined current threshold are set according to the type of specific water pump, specification etc., general production
Producer has recommendation.
In case of emergency, corresponding water pump can be stopped manually by the operation button that remote console is set, or it is logical
Cross execute-in-place platform and directly stop corresponding water pump.
Further, the PLC can start other idle water pumps after possible faulty water pump is closed, if
Without idle water pump, corresponding warning message can be sent；Certainly, the overall displacement design of the water pump group of the drainage system
There is certain allowance, after indivedual water pumps exit use because of failure, be also unlikely to produce the problem of too big.
In conclusion the water discharge method of the embodiment of the present invention uses a variety of detection parts, it can accurately know that water level, water level become
Change speed, the performance of water pump and operating mode, using a variety of drainage patterns, the water burst of mine burst, permeable or water inrush accident can be tackled；
Always according to the operation conditions of each water pump in the water pump group, determine the use priority of each water pump, rotate at regular intervals, substantially reduce
Equipment failure rate, also, also more application scenarios are adapted to because using a variety of detection parts and a variety of drainage patterns.
Example IV
Fig. 4 is the flow that the embodiment of the present invention four determines starting mode of pump according to water level, SEA LEVEL VARIATION speed and electricity consumption time
Schematic diagram, as shown in figure 4, the flow includes：
Step 401：Read SEA LEVEL VARIATION rate；PLC is read from water level sensor, to ensure that monitoring is reliable, is generally at least set
Put two water level sensors；
Step 402：Confirm whether SEA LEVEL VARIATION rate is more than t1；When SEA LEVEL VARIATION rate is more than t1, start the institute of drainage system
There is water pump and alarm, otherwise, enter step 403；
Here, t1 is default SEA LEVEL VARIATION rate value, represents that SEA LEVEL VARIATION speed is very fast, it is necessary to start all more than t1
Water pump, and alarm is opened, not so have serious consequence；T1 can be according to needing the concrete condition of drainage position to set, such as mine passage
Theoretical reservoir storage etc.；
Step 403：Read water level；PLC is read from water level sensor；
Step 404：Confirm whether water level is more than 2H；When water level is more than 2H, 405 are entered step, otherwise return to step 401；
Here, H is default water level value, represents that water level exceeds ordinary water level more than 2H, but without horse back draining, more than 3H
Represent that water level is somewhat high, it is necessary to which draining, but if not being the low power consumption period, can also delay, to save energy consumption, be more than
4H, then necessary horse back draining, and need to start whole water pumps；H can be according to needing the concrete condition of drainage position to set, as mine leads to
The height in road etc.；
Step 405：Confirm whether water level is more than 3H；When water level is more than 3H, 407 are entered step, otherwise enters step 406；
Step 406：Confirm whether current time is the low power consumption time, low power consumption time abbreviation paddy section；If so, open
Any one water pump in drainage system is moved, otherwise return to step 405；
Step 407：Confirm whether water level is more than 4H；When water level is more than 4H, the whole water pumps started in drainage system carry out
Draining, otherwise enters step 408；
Step 408：Reaffirm whether current time is the low power consumption time；If so, start separate unit in drainage system
Or part water pump, otherwise, enter step 409；
Further, start separate unit water pump or part water pump, can be started according to the use priority of each water pump, rotation.
Step 409：Again read off SEA LEVEL VARIATION rate；To confirm whether SEA LEVEL VARIATION rate has suddenly change；
Step 410：Confirm whether SEA LEVEL VARIATION rate is more than t2；When SEA LEVEL VARIATION rate is more than t2, start single in drainage system
Platform or part water pump, otherwise return to step 409；
Further, start separate unit water pump or part water pump, can be started according to the use priority of each water pump, rotation；
Here, t2 is default SEA LEVEL VARIATION rate value, represents that SEA LEVEL VARIATION speed is a little fast, it is necessary to draining more than t2, but
If not the low power consumption period, it can also delay, to save energy consumption；T2 can according to needing the concrete condition of drainage position to set,
The theoretical reservoir storage of such as mine passage；
It should be noted that even if after starting separate unit water pump or the progress draining of all water pumps, it is also necessary between at preset timed intervals
Every performing this flow repeatedly, in case water level or SEA LEVEL VARIATION rate, especially SEA LEVEL VARIATION rate have suddenly change in drainage procedure；
Prefixed time interval can be set according to needing draining general hydrologic regime, such as the infiltration situation of mine passage
Deng.
Embodiment five
The present embodiment is suitable for：According to water level information, the flow that a water pump draws water only need to be started, for statement side
Just, the water pump of this flow startup and pipeline are referred to as 1# pumps；
Fig. 5 is the flow diagram of five single starting mode of pump of the embodiment of the present invention, as shown in figure 5, the flow includes：
Step 501：Start jet pump；It is vented by jet stream pump priming, reaches suction centrifugal pump air, is allowed to produce default
Negative pressure, that is, produce certain vacuum；When negative pressure reaches default negative threshold, the water inlet valve of centrifugal pump is opened,
Water is inhaled into centrifugation pump housing；
The jet pump is equipped with the B/P EGR Back Pressure Transducer EGR or vacuum meter of detection negative pressure；The default negative threshold is according to specific water
The type of pump, specification etc. are set, and general manufacturer has recommendation.
Step 502：Confirm whether centrifugation pump housing is full of water；Confirmed by B/P EGR Back Pressure Transducer EGR or vacuum meter, when true
Recognize and be full of water, enter step 503, otherwise confirm 1# failure of pump, exit rotation；
Step 503：Start centrifugal pump；After starting centrifugal pump, the impeller of centrifugal pump can throw away the water in cavity, into row
Water pipe, while centrifuge pump housing and produce negative pressure again, water is sucked again, constantly circulation；
Step 504：Confirm whether discharge outlet hydraulic pressure reaches setting value；
Here, the discharge outlet hydraulic pressure refers to the hydraulic pressure of the drainpipe between draining sluice valve and centrifugal pump, also
It is the hydraulic pressure for the water outlet for being close to centrifugal pump；In no other abnormal conditions, discharge outlet water pressure energy reflects the centrifugation
The working status of pump, if hydraulic pressure is small, illustrates that pumping for water pump ability is bad；
If discharge outlet hydraulic pressure reaches setting value, 505 are entered step, 1# failure of pump is otherwise confirmed, exits rotation；
Step 505：Open gate valve and carry out draining；Pay attention to：The gate valve is when discharge outlet hydraulic pressure is not up to setting value, it is impossible to
Open, otherwise can influence to centrifuge the negative pressure value of pump housing；
Step 506：Confirm whether total amount of drainage reaches setting value；Since water level information shows, a centrifugation only need to be started
Pumping water, for ease of water pump rotation, limits the total amount of drainage of separate unit centrifugal pump, reaches setting value, and centrifugal pump stops row
Water；If according to water level information, also need to continue draining, start another centrifugal pump.
Embodiment six
The present embodiment is suitable for：By various sensors, the working status of water pump in drainage system is monitored, to send out in time
Existing faulty equipment, in time maintenance；
Fig. 6 is the flow diagram of six pump working status monitoring of the embodiment of the present invention, as shown in fig. 6, the flow bag
Include：
Step 601：Confirm whether water pump runs；If operation, enters step 602, otherwise stop working state monitors；
Step 602：Whether normal monitor water pump electric current；If normally entering step 603, otherwise send " electric current is out-of-limit "
Alarm signal, and failure water pump is locked, stop water pump operation；
Alarm can be alarmed by sound-light alarm component, and can both be alarmed at the scene, can also be in remote console
Alarm, or both same alarm, similarly hereinafter；
Step 603：Whether normal monitor hydraulic pressure；If normally entering step 604, the alarm of " insufficient pressure " is otherwise sent
Signal, and failure water pump is locked, stop water pump operation；
Step 604：Whether monitoring temperature is normal；If normally entering step 605, the alarm of " temperature beyond limit " is otherwise sent
Signal, and failure water pump is locked, stop water pump operation；
Step 605：Whether normal monitor negative pressure；If normally entering step 606, the alarm of " negative pressure deficiency " is otherwise sent
Signal, and stop water pump operation；
Step 606：Monitor whether to power off；If power-off, start EPS (Emergency Power Supply) and answer urgent telegram
Source；Otherwise return to step 601.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (15)
1. a kind of drainage system, it is characterised in that the drainage system includes：It is provided with water pump group, the control of at least two water pumps
Make the control mechanism of water pump group operation and at least one water level sensor, the water pump in the water pump group is passed with water level
Sensor is connected with the control mechanism；
The water level sensor, the control mechanism is sent to for sensed water level information, and by the water level information detected；
The control mechanism, for when the water level information reaches preset condition, indicating the pumping drainage in the water pump group.
2. drainage system according to claim 1, it is characterised in that the water level information includes water level and SEA LEVEL VARIATION speed
Degree；
The water level sensor is equipped with two, respectively apart from the pump mouth pre-determined distance of the water pump.
3. drainage system according to claim 1 or 2, it is characterised in that the control mechanism is PLC, the control machine
Structure is equipped with the recording-member for each water pump operation situation in the water pump group that records.
4. drainage system according to claim 1 or 2, it is characterised in that be all provided with each water pump in the water pump group
It is equipped with the temperature sensor and current sensor for detecting the pump working loading condition, the temperature sensor and current sense
Device is connected with the control mechanism.
5. drainage system according to claim 1 or 2, it is characterised in that each water pump in the water pump group is independent
Equipped with water inlet pipe and drainpipe, each drainpipe is equipped with water valve；In drainpipe between each water valve and the water pump
The hydraulic pressure sensor for detecting the pumping for water pump ability is provided with, the drainpipe in each water valve exit, which is equipped with, detects the water
The flow sensor of pumping outlet capacity；The water valve, hydraulic pressure sensor and flow sensor are connected with the control mechanism.
6. drainage system according to claim 5, it is characterised in that the water pump in the water pump group is centrifugal pump, institute
State and the jet pump that the helpful centrifugal pump produces negative pressure is all provided with above centrifugal pump；The water valve is gate valve.
7. drainage system according to claim 6, it is characterised in that the drainage system further includes row described in remote monitoring
The remote console of water system and it is easy to repair when control the execute-in-place platform of the drainage system；
Remote console and the execute-in-place platform is all connected with the control mechanism, and remote console and the execute-in-place platform is equal
Equipped with the operation button for controlling the drainage system operation.
A kind of 8. water discharge method, it is characterised in that the described method includes：
Obtain the water level information of water level sensor detection；
When the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps.
9. according to the method described in claim 8, it is characterized in that, the water level information for obtaining water level sensor detection, bag
Include：Obtain the water level and SEA LEVEL VARIATION speed of water level sensor detection；
When the water level information reaches preset condition, instruction is provided with the water pump group pumping water of at least two water pumps, including：The water
When position exceedes preset water level pace of change threshold value more than preset water level threshold value and/or the SEA LEVEL VARIATION speed, instruction is provided with
The water pump group pumping water of at least two water pumps.
10. method according to claim 8 or claim 9, it is characterised in that in the water level letter of the acquisition water level sensor detection
Before breath, the method further includes：
Record the operation conditions of each water pump in the water pump group；
According to the operation conditions of each water pump in the water pump group, the use priority of each water pump is determined.
11. according to the method described in claim 10, it is characterized in that, when the water level information reaches preset condition, instruction is set
The water pump group pumping water of at least two water pumps is equipped with, including：
According to the use priority of the water level information and each water pump, the water pump started in the water pump group is determined.
12. according to the method described in claim 9, it is characterized in that, when the water level information reaches preset condition, instruction is set
There is the water pump group pumping water of at least two water pumps, including：
The water level is more than the first preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the first preset water level pace of change
Threshold value, and when current time is the low power consumption time, indicate the part pumping drainage of the water pump group；
The water level is more than the second preset water level threshold value and/or the SEA LEVEL VARIATION speed more than the second preset water level pace of change
During threshold value, whole pumping drainages of the water pump group are indicated；
When the water level is less than the 3rd preset water level threshold value, or current time for the peak of power consumption time and water level it is pre- less than first
If during watermark threshold, indicate that the water pump group stops draining.
13. method according to claim 8 or claim 9, it is characterised in that when the water level information reaches preset condition, refer to
After showing the water pump group pumping water for being provided with least two water pumps, the method further includes：
The hydraulic pressure in each pump drain pipe is obtained, when the hydraulic pressure is less than default hydraulic pressure threshold value, closes corresponding water pump.
14. method according to claim 8 or claim 9, it is characterised in that when the water level information reaches preset condition, refer to
After showing the water pump group pumping water for being provided with least two water pumps, the method further includes：
The opening of the flow and water valve in each pump drain pipe is obtained, when water valve fully opens, the flow is less than pre-
If flow threshold, close corresponding water pump.
15. method according to claim 8 or claim 9, it is characterised in that when the water level information reaches preset condition, refer to
After showing the water pump group pumping water for being provided with least two water pumps, the method further includes：
The operating temperature and operating current of each pump motor are obtained, when the operating temperature is more than preset temperature threshold value and/or work
Make electric current and be more than predetermined current threshold, close corresponding water pump.
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| CN201711060147.XA CN107956510A (en) | 2017-11-01 | 2017-11-01 | A kind of drainage system and method |
| PCT/CN2017/110581 WO2019085001A1 (en) | 2017-11-01 | 2017-11-10 | Water drainage system and method |
| AU2017414139A AU2017414139B2 (en) | 2017-11-01 | 2017-11-10 | Drainage system and method |
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| AU (1) | AU2017414139B2 (en) |
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| CN111691524A (en) * | 2020-06-18 | 2020-09-22 | 广东理行生态环境科技有限公司 | Large-flow drainage monitoring and management system and working method thereof |
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| CN113464200A (en) * | 2021-08-16 | 2021-10-01 | 辽宁工程技术大学 | Automatic drainage control system and method |
| CN113669244A (en) * | 2021-08-24 | 2021-11-19 | 山西锦兴能源有限公司 | Intelligent monitoring and control method and system for underground small water sump water pump |
| CN113669244B (en) * | 2021-08-24 | 2024-02-27 | 山西锦兴能源有限公司 | Intelligent monitoring and controlling method and system for underground small sump water pump |
| CN113551714A (en) * | 2021-09-09 | 2021-10-26 | 广东电网有限责任公司 | Microcomputer-controlled strong drainage system for water collecting well and automatic detection method for drainage effect |
| CN114279068A (en) * | 2021-12-13 | 2022-04-05 | 广东芬尼克兹节能设备有限公司 | Water pump switching control method and device, computer equipment and storage medium |
| CN115492224A (en) * | 2022-11-17 | 2022-12-20 | 四川坤睿泽智慧科技有限公司 | Automatic inspection system and inspection method for pressure drainage |
| CN115492224B (en) * | 2022-11-17 | 2023-03-07 | 四川坤睿泽智慧科技有限公司 | Automatic inspection system and inspection method for pressure drainage |
| CN116795148A (en) * | 2023-06-26 | 2023-09-22 | 河北省水利工程局集团有限公司 | Remote intelligent drainage system |
| CN116795148B (en) * | 2023-06-26 | 2024-01-26 | 河北省水利工程局集团有限公司 | Remote intelligent drainage system |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2017414139B2 (en) | 2019-10-03 |
| AU2017414139A1 (en) | 2019-05-16 |
| WO2019085001A1 (en) | 2019-05-09 |
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Application publication date: 20180424 |