CN107299657B - Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system - Google Patents
Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system Download PDFInfo
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- CN107299657B CN107299657B CN201710571043.9A CN201710571043A CN107299657B CN 107299657 B CN107299657 B CN 107299657B CN 201710571043 A CN201710571043 A CN 201710571043A CN 107299657 B CN107299657 B CN 107299657B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000002349 favourable effect Effects 0.000 claims abstract description 30
- 230000006837 decompression Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 abstract description 46
- 238000009434 installation Methods 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/072—Arrangement of flowmeters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Fluid Pressure (AREA)
- Pipeline Systems (AREA)
Abstract
Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system, are related to water supply network pressure controlling research field.The present invention be in order to solve it is existing water supply network boosting or decompression are embodied as using installation pressurized pump station or pressure-reducing station, this mode needs to pinpoint installation booster pump or pressure reducing valve, deposit can not move after mounting, the problem that wasting space and pressure controlling mode are single.Two end tube section of relief line passes through container carrier and extends to outside vehicle, two end tube sections with test zone pipe network entrance pipeline section for connecting, the pressure that control cabinet is used to receive front and back pipeline obtains the data on flows before and after pressure difference and pressure controlling, and data are transmitted to Control card；By the No.1 GPRS antenna on No.1 pressure sensor by the pressure data wireless remote transmission of the least favorable point to Control card, Control card regulates and controls the pressure of test zone pipe network for controlling control cabinet.It is for regulating and controlling test zone ductwork pressure.
Description
Technical field
The present invention relates to public supply mains pressure controlling mobile system and the ductwork pressure tune realized using the system
Prosecutor method belongs to water supply network pressure controlling research field.
Background technique
With the fast development of social economy and the continuous reduction of water resource, water supply industry to the water application efficiency of pipe network all the more
Concern.The problems such as since China's water supply network aging is serious, tubing is inferior, damage operation, causes pipe network model serious,
Partial region pressure is not (being difficult to meet minimum service head) up to standard, and water application efficiency is low.Since pressure and flow (wastage) are in
Positive relationship, pressure is higher, and wastage is bigger.Therefore while meeting regional water supply user's pressure demand, reasonable regulation pipe
Network pressure power, makes pipe network work under reasonable pressure, can extend the pipe network service life and reduce pipe network leak rate, reduce booster, water hammer
Etc. accidents.Regulation pipe network pressure power mainly passes through decompression or pressurization two ways meets water undertaking and reduces leakage and regional water supply
User's pressure demand.
Reducing water supply network pressure more than needed can be carried out by way of adjusting the valve opening in pipe network, but long-term by half
Valve opening door, will affect life of valve.Compared to common valve, pressure reducing valve is more common in practical projects, and pressure reducing valve can lead to
Inlet pressure is overregulated, optimal control ductwork pressure achievees the purpose that reduce pipe network leak rate.
Existing water supply network decompression control program predominantly installs pressure-reducing station, is equipped with the equipment such as pressure reducing valve in pressure-reducing station,
Pressure-reducing station can be according to the water demand of user, reasonable regulating system pressure of supply water.It prevents water supply network because pressure change is big, and sends out
The failures such as raw booster, water hammer, pipe network model.The arrangement form of pressure-reducing station is generally divided into two kinds above and below the ground, underground installation side
The problems such as that there are operating spaces is limited for formula, maintenance difficult.Therefore, the arrangement side, pressure-reducing station of ground is mostly used in practical projects
Formula.But there is also defects for the pressure-reducing station of installation on the ground: occupied space is excessive, there are problems that expropriation of land during installation, pressure-reducing station peace
It can not be moved after dress and pressure controlling strategy is single, cause unnecessary investment waste.
Since water supply network is too long, and there is the problems such as leakage, it is too low in the end hydraulic pressure of pipe network, so that pipe network end region
The domestic water of domain user is affected, therefore it is particularly important in water-supply systems to increase ductwork pressure.Water supplying pipe at present
The boosting rectifier control scheme of net predominantly installs pressurized pump station.But there is also defects for pressurized pump station: needing fixed space for pacifying
There is certain expropriation of land in this way and can not move after installing, cause unnecessary investment waste in dress construction.
Summary of the invention
The present invention be in order to solve it is existing using installation pressurized pump station or pressure-reducing station be embodied as water supply network boosting or subtract
Pressure, this mode need to pinpoint installation booster pump or pressure reducing valve, deposit can not move after mounting, wasting space and pressure controlling mode
Single problem.The ductwork pressure regulation that public supply mains pressure controlling mobile system is now provided and is realized using the system
Method.
Public supply mains pressure controlling mobile system, it includes 8, voltage-regulating system, container carrier No.1 pressures
Force snesor and No.1 GPRS antenna,
Voltage-regulating system is set to inside container carrier 8, voltage-regulating system include 1, five Hand-operated butterfly valve 2 of C valve, industrial personal computer 6,
Control cabinet 7, relief line 10, bypass pipe 11,13, two No. two pressure sensors 4 of booster pump 12 and pressure piping and electromagnetic current
Meter 5,
10 liang of end tube sections of relief line pass through container carrier 8 and extend to outside vehicle, and two end tube section is used for and test section
The connection of domain pipe network entrance pipeline section, two No. two pressure sensors 4 and electromagnetic flowmeter 5 are arranged on relief line 10, and two
Pressure of No. two pressure sensors 4 for measurement front and back pipeline respectively, stream of the electromagnetic flowmeter 5 for metering pressure regulation front and back
Amount, the pressure that control cabinet 7 is used to receive front and back pipeline obtains the data on flows before and after pressure difference and pressure controlling, by pressure difference
It is transmitted to Control card 14 according to data on flows,
Control card 14 and No. two GPRS antennas 17 are provided in industrial personal computer 6,
All pressure that No. two GPRS antennas 17 are used to receive control cabinet 7, data on flows wireless remote transmission to the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties
In SCADA monitoring system,
One No.1 pressure sensor is installed in test zone pipe network least favorable point, for measuring test zone pipe network least
The pressure data of benefit point, by the No.1 GPRS antenna on No.1 pressure sensor by the pressure data radio remote of the least favorable point
It is transmitted to Control card 14,
Control card 14 is used for according to the pressure and stream in the pressure data and control cabinet 7 of test zone pipe network least favorable point
Data are measured, control control cabinet 7 regulates and controls the pressure of test zone pipe network；
Control cabinet 7 and industrial personal computer 6 are installed on the inner wall of container carrier 8,
The pressure controlling signal input part of the pressure controlling signal output end connection C valve 1 of control cabinet 7, control cabinet 7 is for controlling
The on or off of booster pump 12 processed,
C valve 1 and two Hand-operated butterfly valves 2 are provided on relief line 10, and two Hand-operated butterfly valves 2 are separately positioned on C valve 1
Two sides,
Pressure piping 13 and bypass pipe 11 are connected in parallel on relief line 10, are disposed with Hand-operated butterfly valve on pressure piping 13
2, booster pump 12 and Hand-operated butterfly valve 2 are provided with a Hand-operated butterfly valve 2 on bypass pipe 11.
The ductwork pressure that public supply mains pressure controlling mobile system is realized regulates and controls method, and the method includes following
Step:
Step 1: installing No.1 pressure sensor in region pipe network least favorable point；
Step 2: the both ends valve of test zone pipe network entrance pipeline section is closed, and two interim pipeline sections are accessed, with packaging
10 liang of end tube section connections of relief line that case lorry 8 extends；
Step 3: closing the Hand-operated butterfly valve 2 on Hand-operated butterfly valve 2 and pressure piping 13 on relief line 10, bypass is opened
Hand-operated butterfly valve 2 on pipe 11, opens test zone pipe network entrance pipeline section both ends valve, and water can flow through two air valves 3, two pressures
In force snesor 4, electromagnetic flowmeter 5 and bypass pipe 11；
Step 4: the pressure data remote-transmission of least favorable point is extremely collected by the No.1 GPRS antenna on No.1 pressure sensor
In vanning lorry 8 in industrial personal computer 6, the pressure data of the least favorable point and region pipe network minimum service head corresponding pressure are carried out
Compare, judge whether test zone pipe network needs to carry out pressure controlling, if the pressure data of least favorable point is between setup pressure value
Between minimum service head corresponding pressure, wherein setup pressure value is 50kpa higher than minimum service head corresponding pressure, then surveys
For examination region pipe network without carrying out pressure controlling, moving containers lorry 8 is transferred to step 1 to next test zone；
If the pressure data of least favorable point is more than setup pressure value, decompression operation is carried out to the region pipe network entrance, is executed
Step 5；
If the pressure data of least favorable point is lower than minimum service head corresponding pressure, to the region, pipe network entrance is pressurized
Operation, then be transferred to step 6；
Step 5: opening the Hand-operated butterfly valve 2 on relief line 10, the Hand-operated butterfly valve 2 on bypass pipe 11 is closed, control is passed through
Cabinet 7 controls the adjustment aperture of C valve 1, is depressurized, water flow is made only to pass through relief line 10；
Step 6: opening the Hand-operated butterfly valve 2 on pressure piping 13, the Hand-operated butterfly valve 2 on bypass pipe 11 is closed, control is passed through
Cabinet 7 controls 12 pressure of booster pump, and water flow is made only to pass through pressure piping 13.
The invention has the following beneficial effects:
A kind of public supply mains pressure controlling mobile system of the invention, have do not need fixed point installation, can be at any time
Movement is pressurized according to different water requirements or depressurizes replacement pressure controlling strategy, avoids the advantages that wasting and is convenient, flexible.
Compared with the prior art, the present invention has the following beneficial effects:
1, the present invention is in such a way that voltage-regulating system is in conjunction with container carrier, without as conventional pressure relief station and pressurized pump station
Equally fixed point installation, avoids existing expropriation of land problem during installation, and occupy little space, can move at any time, more convenient flexible.
2, the present invention replaces the pressure reducing valve at conventional pressure relief station using C valve, and the effect of easing stress of C valve is more accurate, and applies model
It encloses more extensively, includes multiple groups pressure reducing valve, can achieve the purpose that switch C valve port diameter, Pressure reducing ratio by adjusting valve-embedded unlatching quantity,
It solves the disadvantage that the pressure reducing valve at conventional pressure relief station is unable to satisfy region hydraulic pressure and is widely varied, can determine needed for test zone
Pressure reducing valve bore.
3, public supply mains pressure controlling mobile system of the present invention can carry out previous experiments, be set by one kind
It is standby to solve two kinds of testing requirements of pressurization and decompression, it can determine whether the specific pressure controlling demand of test zone pipe network, determine that equipment is transported
Row parameter helps lectotype selection, carries out implementation result preview, avoids incorrect decision, brings unnecessary investment waste.
4, public supply mains pressure controlling mobile system of the present invention can according to experiment measure pressure, flow
Data analyze pressure controlling strategy, make a variety of pressure controlling strategies, and can switch pressure controlling strategy at any time, judge to test
The most suitable pressure controlling strategy in region, solving can not after the existing setting pressure controlling strategy of traditional pressurized pump station or pressure-reducing station
Replacement, once the problem of change needs replacing equipment.
Detailed description of the invention
Fig. 1 is the top view of public supply mains pressure controlling mobile system of the present invention.
Fig. 2 is the side view of public supply mains pressure controlling mobile system of the present invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, urban water supply described in present embodiment referring to figs. 1 to 2
Ductwork pressure regulates and controls mobile system, it includes voltage-regulating system, container carrier 8, No.1 pressure sensors and a No.1s
GPRS antenna,
Voltage-regulating system is set to inside container carrier 8, voltage-regulating system include 1, five Hand-operated butterfly valve 2 of C valve, industrial personal computer 6,
Control cabinet 7, relief line 10, bypass pipe 11,13, two No. two pressure sensors 4 of booster pump 12 and pressure piping and electromagnetic current
Meter 5,
10 liang of end tube sections of relief line pass through container carrier 8 and extend to outside vehicle, and two end tube section is used for and test section
The connection of domain pipe network entrance pipeline section, two No. two pressure sensors 4 and electromagnetic flowmeter 5 are arranged on relief line 10, and two
Pressure of No. two pressure sensors 4 for measurement front and back pipeline respectively, stream of the electromagnetic flowmeter 5 for metering pressure regulation front and back
Amount, the pressure that control cabinet 7 is used to receive front and back pipeline obtains the data on flows before and after pressure difference and pressure controlling, by pressure difference
It is transmitted to Control card 14 according to data on flows,
Control card 14 and No. two GPRS antennas 17 are provided in industrial personal computer 6,
All pressure that No. two GPRS antennas 17 are used to receive control cabinet 7, data on flows wireless remote transmission to the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties
In SCADA monitoring system,
One No.1 pressure sensor is installed in test zone pipe network least favorable point, for measuring test zone pipe network least
The pressure data of benefit point, by the No.1 GPRS antenna on No.1 pressure sensor by the pressure data radio remote of the least favorable point
It is transmitted to Control card 14,
Control card 14 is used for according to the pressure and stream in the pressure data and control cabinet 7 of test zone pipe network least favorable point
Data are measured, control control cabinet 7 regulates and controls the pressure of test zone pipe network；
Control cabinet 7 and industrial personal computer 6 are installed on the inner wall of container carrier 8,
The pressure controlling signal input part of the pressure controlling signal output end connection C valve 1 of control cabinet 7, control cabinet 7 is for controlling
The on or off of booster pump 12 processed,
C valve 1 and two Hand-operated butterfly valves 2 are provided on relief line 10, and two Hand-operated butterfly valves 2 are separately positioned on C valve 1
Two sides,
Pressure piping 13 and bypass pipe 11 are connected in parallel on relief line 10, are disposed with Hand-operated butterfly valve on pressure piping 13
2, booster pump 12 and Hand-operated butterfly valve 2 are provided with a Hand-operated butterfly valve 2 on bypass pipe 11.
In present embodiment, least favorable point is referred to: apart from the smallest point of pipe network entrance distalmost end or pressure, once it is full
The foot point pressure, remaining pressure of pipe network are all satisfied requirement.
C valve 1 is more valve-type pressure reducing valves, includes multiple groups pressure reducing valve, can be reached by the valve-embedded unlatching quantity of adjusting and be cut
Change the purpose of C valve port diameter, Pressure reducing ratio.C valve 1 replaces the pressure reducing valve at conventional pressure relief station, and effect of easing stress is more accurate, the scope of application
More extensively, being widely varied for region hydraulic pressure, while pressure reducing valve bore needed for determining test zone pipe network be can satisfy.
The application includes six power supply lines 15 and five signal lines 16, and the industrial personal computer 6 is equipped with a GPRS antenna
17, for by all pressure received in voltage-regulating system, data on flows wireless remote transmission into system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties SCADA monitoring system.Control
Four groups of power supply lines 15, difference 1, two pressure sensor 4 of C valve of signal wire 16 and the electromagnetic flowmeter 5 that cabinet 7 processed extends connect,
In addition control cabinet 7 also extends a power supply line 15 and connect with booster pump 12.Control cabinet 7 is C valve 1, pressurization by power supply line 15
Pump 12, pressure sensor 4, electromagnetic flowmeter 5 and industrial personal computer 6 provide electricity, while receiving pressure, flow letter by signal wire 16
Number, and pressure controlling strategy is assigned to C valve 1.
The connecting portion of pressure piping 13, bypass pipe 11 and relief line 10 is in forefront pressure sensor 4 and back air
Between valve 3.
The bypass pipe 11 is as the normal overcurrent pipeline operated when not needing decompression, pressurization.
Car door 9 is set behind the container carrier 8, facilitates operator to enter and wherein carries out pressure regulation setting.
The purpose of two Hand-operated butterfly valves 2 is respectively provided on pressure piping 13 and relief line 10: on to pressure piping 13
When booster pump 12 is overhauled, need to simultaneously close off two Hand-operated butterfly valves 2 on pressure piping 13；On to relief line 10
C valve 1 when being overhauled, need to simultaneously close off two Hand-operated butterfly valves 2 on relief line 10.
Specific embodiment 2: present embodiment is to public supply mains pressure controlling described in specific embodiment one
Mobile system is described further, and in present embodiment, it further includes two air valves 3,
Two air valves 3 are arranged on relief line 10,
Two air valves 3 are used for additional air in discharge front and back pipeline respectively,
Control cabinet 7 is also used to show the data on flows before and after the pressure difference of front and back pipeline and pressure controlling.
Specific embodiment 3: present embodiment is to public supply mains pressure described in specific embodiment one or two
Regulation mobile system is described further, and in present embodiment, control cabinet 7 is also used to as C valve 1, pressure sensor 4, electromagnetism
Flowmeter 5 and industrial personal computer 6 provide electricity.
Specific embodiment 4: present embodiment is the public supply mains pressure tune according to specific embodiment one
It controls the ductwork pressure that mobile system is realized and regulates and controls method, the described method comprises the following steps:
Step 1: installing No.1 pressure sensor in region pipe network least favorable point；
Step 2: the both ends valve of test zone pipe network entrance pipeline section is closed, and two interim pipeline sections are accessed, with packaging
10 liang of end tube section connections of relief line that case lorry 8 extends；
Step 3: closing the Hand-operated butterfly valve 2 on Hand-operated butterfly valve 2 and pressure piping 13 on relief line 10, bypass is opened
Hand-operated butterfly valve 2 on pipe 11, opens test zone pipe network entrance pipeline section both ends valve, and water can flow through two air valves 3, two pressures
In force snesor 4, electromagnetic flowmeter 5 and bypass pipe 11；
Step 4: the pressure data remote-transmission of least favorable point is extremely collected by the No.1 GPRS antenna on No.1 pressure sensor
In vanning lorry 8 in industrial personal computer 6, the pressure data of the least favorable point and region pipe network minimum service head corresponding pressure are carried out
Compare, judge whether test zone pipe network needs to carry out pressure controlling, if the pressure data of least favorable point is between setup pressure value
Between minimum service head corresponding pressure, wherein setup pressure value is 50kpa higher than minimum service head corresponding pressure, then surveys
For examination region pipe network without carrying out pressure controlling, moving containers lorry 8 is transferred to step 1 to next test zone；
If the pressure data of least favorable point is more than setup pressure value, decompression operation is carried out to the region pipe network entrance, is executed
Step 5；
If the pressure data of least favorable point is lower than minimum service head corresponding pressure, to the region, pipe network entrance is pressurized
Operation, then be transferred to step 6；
Step 5: opening the Hand-operated butterfly valve 2 on relief line 10, the Hand-operated butterfly valve 2 on bypass pipe 11 is closed, control is passed through
Cabinet 7 controls the adjustment aperture of C valve 1, is depressurized, water flow is made only to pass through relief line 10；
Step 6: opening the Hand-operated butterfly valve 2 on pressure piping 13, the Hand-operated butterfly valve 2 on bypass pipe 11 is closed, control is passed through
Cabinet 7 controls 12 pressure of booster pump, and water flow is made only to pass through pressure piping 13.
In present embodiment, setup pressure value is 50kpa higher than minimum service head corresponding pressure, and minimum service head is by supplying
Water enterprise formulates, generally at least 10kpa.According to above-mentioned three kinds of situations and test zone pipe network feature, selected in industrial personal computer 6
After suitable pressure controlling strategy, and control cabinet 7 is transferred to by signal wire 16.
Flow that industrial personal computer 6 before and after pressure controlling stores, pressure are compared, obtained after being regulated and controled by plateau pressure
Effect determines the pressure controlling strategy of suitable test zone pipe network, and by industrial personal computer 6 according to actual needs by pressure controlling strategy
Under reach control cabinet 7.
Claims (4)
1. public supply mains pressure controlling mobile system, which is characterized in that it include voltage-regulating system, container carrier (8),
One No.1 pressure sensor and No.1 GPRS antenna,
Voltage-regulating system is set to container carrier (8) inside, and voltage-regulating system includes C valve (1), five Hand-operated butterfly valves (2), industrial personal computers
(6), control cabinet (7), relief line (10), bypass pipe (11), booster pump (12) and pressure piping (13), two No. two pressure pass
Sensor (4) and electromagnetic flowmeter (5),
C valve (1) is more valve-type pressure reducing valves, includes multiple groups pressure reducing valve, can reach switching C by adjusting valve-embedded unlatching quantity
The purpose of valve port diameter, Pressure reducing ratio；
(10) two end tube section of relief line passes through container carrier (8) and extends to outside vehicle, and two end tube section is used for and test section
The connection of domain pipe network entrance pipeline section, two No. two pressure sensors (4) and electromagnetic flowmeter (5) are arranged at relief line (10)
On, pressure of two No. two pressure sensors (4) for measurement front and back pipeline respectively, electromagnetic flowmeter (5) is used for metering pressure
Regulate and control the flow of front and back, the pressure that control cabinet (7) is used to receive front and back pipeline obtains the flow before and after pressure difference and pressure controlling
Differential pressure data and data on flows are transmitted to Control card (14) by data,
It is provided with Control card (14) and No. two GPRS antennas (17) in industrial personal computer (6),
All pressure that No. two GPRS antennas (17) are used to receive control cabinet (7), data on flows wireless remote transmission to the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties
In SCADA monitoring system,
One No.1 pressure sensor is installed in test zone pipe network least favorable point, for measuring test zone pipe network least favorable point
Pressure data, the pressure data wireless remote transmission of the least favorable point is given by the No.1 GPRS antenna on No.1 pressure sensor
Control card (14),
Control card (14) is used for according to the pressure and stream in the pressure data and control cabinet (7) of test zone pipe network least favorable point
Data are measured, control control cabinet (7) regulates and controls the pressure of test zone pipe network；
Control cabinet (7) and industrial personal computer (6) are installed on the inner wall of container carrier (8),
The pressure controlling signal input part of pressure controlling signal output end connection C valve (1) of control cabinet (7), control cabinet (7) are used for
The on or off of booster pump (12) is controlled,
C valve (1) and two Hand-operated butterfly valves (2) are provided on relief line (10), and two Hand-operated butterfly valves (2) are separately positioned on C
The two sides of valve (1),
Pressure piping (13) and bypass pipe (11) are connected in parallel on relief line (10), are disposed on pressure piping (13) manually
Butterfly valve (2), booster pump (12) and Hand-operated butterfly valve (2) are provided with a Hand-operated butterfly valve (2) on bypass pipe (11).
2. public supply mains pressure controlling mobile system according to claim 1, which is characterized in that it further includes two
A air valve (3),
Two air valves (3) are arranged on relief line (10),
Two air valves (3) are used for additional air in discharge front and back pipeline respectively,
Control cabinet (7) is also used to show the data on flows before and after the pressure difference of front and back pipeline and pressure controlling.
3. public supply mains pressure controlling mobile system according to claim 2, which is characterized in that control cabinet (7)
It is also used to provide electricity for C valve (1), pressure sensor (4), electromagnetic flowmeter (5) and industrial personal computer (6).
4. the ductwork pressure that public supply mains pressure controlling mobile system as claimed in claim 2 is realized regulates and controls method,
It is characterized in that, the described method comprises the following steps:
Step 1: installing No.1 pressure sensor in region pipe network least favorable point；
Step 2: the both ends valve of test zone pipe network entrance pipeline section is closed, and two interim pipeline sections are accessed, with Containerizable Cargo
(10) two end tube section of the relief line connection that vehicle (8) extends；
Step 3: closing the Hand-operated butterfly valve (2) on Hand-operated butterfly valve (2) and pressure piping (13) on relief line (10), open
Hand-operated butterfly valve (2) on bypass pipe (11), opens test zone pipe network entrance pipeline section both ends valve, and water can flow through two air valves
(3), in two pressure sensors (4), electromagnetic flowmeter (5) and bypass pipe (11)；
Step 4: by the No.1 GPRS antenna on No.1 pressure sensor by the pressure data remote-transmission of least favorable point to container
In lorry (8) interior industrial personal computer (6), the pressure data of the least favorable point and region pipe network minimum service head corresponding pressure are carried out
Compare, judge whether test zone pipe network needs to carry out pressure controlling, if the pressure data of least favorable point is between setup pressure value
Between minimum service head corresponding pressure, wherein setup pressure value is 50kpa higher than minimum service head corresponding pressure, then surveys
Examination region pipe network is transferred to step 1 without carrying out pressure controlling, moving containers lorry (8) to next test zone；
If the pressure data of least favorable point is more than setup pressure value, decompression operation is carried out to the region pipe network entrance, executes step
Five；
If the pressure data of least favorable point is lower than minimum service head corresponding pressure, to the region, pipe network entrance carries out pressurization behaviour
Make, is then transferred to step 6；
Step 5: opening the Hand-operated butterfly valve (2) on relief line (10), the Hand-operated butterfly valve (2) on bypass pipe (11) is closed, is passed through
Control cabinet (7) controls the adjustment aperture of C valve (1), is depressurized, water flow is made only to pass through relief line (10)；
Step 6: opening the Hand-operated butterfly valve (2) on pressure piping (13), the Hand-operated butterfly valve (2) on bypass pipe (11) is closed, is passed through
Control cabinet (7) controls booster pump (12) pressure, and water flow is made only to pass through pressure piping (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571043.9A CN107299657B (en) | 2017-07-13 | 2017-07-13 | Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571043.9A CN107299657B (en) | 2017-07-13 | 2017-07-13 | Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299657A CN107299657A (en) | 2017-10-27 |
| CN107299657B true CN107299657B (en) | 2019-08-16 |
Family
ID=60133923
Family Applications (1)
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