CN106638788A - Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function - Google Patents
Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function Download PDFInfo
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- CN106638788A CN106638788A CN201710042517.0A CN201710042517A CN106638788A CN 106638788 A CN106638788 A CN 106638788A CN 201710042517 A CN201710042517 A CN 201710042517A CN 106638788 A CN106638788 A CN 106638788A
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- pipeline
- water hammer
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- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 claims abstract description 37
- 230000002265 prevention Effects 0.000 claims description 22
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E03B7/02—Public or like main pipe systems
-
- 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
-
- 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
- E03B7/09—Component parts or accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a long-distance high-lift large-caliber pipeline water conveyance system with a water hammer eliminating function. The long-distance high-lift large-caliber pipeline water conveyance system comprises a water hammer eliminating pipeline, a water conveying pipeline, a T-shaped pipeline, a production water outlet pond and a production water inlet pond, wherein the production water inlet pond is connected with the water hammer eliminating pipeline and the water conveying pipeline, the T-shaped pipeline is provided with three branch pipelines, the first branch pipeline is connected with the water conveying pipeline, the second branch pipeline is connected with the water hammer eliminating pipeline, the third branch pipeline is connected with the production water outlet pond, a water hammer preventing valve, a manual ball valve and a pressure transmitter are mounted on the water hammer eliminating pipeline in the sequence from the production water inlet pond to the production water outlet pond, and an electric butterfly valve, a centrifugal pump, an electric pump control valve and an electric hydraulic ball valve are mounted on the water conveying pipeline in the sequence from the production water inlet pond to the production water outlet pond. The long-distance high-lift large-caliber pipeline water conveyance system has the beneficial effect that the water hammer eliminating pipeline is lapped to a pipeline of the centrifugal pump, so that the water hammer can be prevented and eliminated, and thus the whole system runs safely and stably.
Description
Technical field
The present invention relates to big-diameter pipeline hydraulic pipeline system, and in particular to a kind of with the long range for eliminating water hammer function
High-lift big-diameter pipeline water-carriage system.
Background technology
Over long distances in high-lift big-diameter pipeline water transfer pipe network system, due to making suddenly when water pump unlatching, closing or power-off
Into termination of pumping, now current produce first water column separation due to effect of inertia（Trend）, cause pipe network system pressure to decline, subsequently
Separate water column to make up, two stocks produce that pressure is very high to make water hammer, the huge pressure wave of generation up from water column sharp impacts
Dynamic, the water hammer for now occurring in pipe network system can produce great destructive power, and water pump and pipeline are damaged.
The content of the invention
It is an object of the invention to provide a kind of with the high-lift big-diameter pipeline water delivery of long range for eliminating water hammer function
System, solves the problems, such as to eliminate water hammer in traditional hydraulic pipeline system.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
Pipeline, water-supply-pipe are eliminated with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, including water hammer
Road, T-shaped pipeline, production discharge bay and production intake pool, production intake pool eliminates pipeline with water hammer respectively and aqueduct is connected,
T-shaped pipeline has three bypass lines, wherein first bypass line is connected with aqueduct, Article 2 bypass line disappears with water hammer
Except pipeline connection, Article 3 bypass line be connected with production discharge bay, from producing intake pool to producing on water hammer elimination pipeline
Pond is sequentially installed with water hammer prevention valve, manual ball valve and pressure transmitter；
On aqueduct from production intake pool to production discharge bay be sequentially installed with electric butterfly valve, centrifugal pump, electronic pump-controlling valve and
The electronic ball valve that surges.
In the technical program, for over long distances, the hydraulic pipeline system of high-lift Large Diameter Pipeline will be produced by centrifugal pump
Water in intake pool is extracted out and then flows into production discharge bay, wherein electronic pump-controlling valve controls the open and close of centrifugal pump, and
Electric butterfly valve and the electronic ball valve that surges then control whether have current to pass through on whole hydraulic pipeline, and water hammer eliminates the pressure on pipeline
Power transmitter can sense the pressure change in whole pipeline, and manual ball valve can be turned on and off by artificial, by hydraulic pipeline
In part current be incorporated into water hammer eliminate pipeline in, and by water hammer prevent valve eliminate water hammer, current is flowed back to again
Into production intake pool.
Further technical scheme is to be connected with aqueduct more than two side by side on above-mentioned production intake pool；
Water hammer eliminates pipeline more than two, and is connected to side by side between production intake pool and Article 2 bypass line.
In the technical program, aqueduct and water hammer eliminate pipeline more than two, larger for demand volume,
And in the more serious long range of water hammer, high-lift, high-pressure pipe water-carriage system, disappeared using multigroup aqueduct and water hammer
Except pipeline fast and efficiently conveys in water, while when wherein one aqueduct goes wrong, being also avoided that this pipeline
Shut down, so as to further improve the effect that transport capacity, the stability of whole system and water hammer are eliminated.
Further technical scheme is to be connected with controller on above-mentioned water hammer prevention valve, and controller also becomes with pressure
Device signal is sent to connect；
UPS devices are both electrically connected with each centrifugal pump, UPS devices are connected with controller signals.
In the technical program, controller can receive the manifold pressure variable signal that pressure transmitter constantly sends,
When there is pressure oscillation on large scale, and the amplitude shaken beyond the high level or low value of pressure transmitter setting when, pressure transmitter
Send a signal to controller, controller is received after signal feeding back to water hammer prevention valve, and by open water hammer prevent valve come
The pressure sluiced in release pipeline, so as to effectively eliminate water hammer, it is ensured that pipe-line system and equipment safety, UPS devices are that voltage stabilizing is steady
The protection equipment in source, UPS devices are electrically connected with centrifugal pump, when centrifugal pump termination of pumping because of unexpected power-off, now in system pipeline
Pressure produces fluctuation, and UPS devices enter working condition, and UPS devices send signal, make water hammer by controller feedwater hammer prevention valve
Prevention valve starts, and so as to the pressure sluiced in release pipeline, eliminates the water hammer in pipeline.
Further technical scheme is, is provided with the aqueduct between above-mentioned water hammer prevention valve and manual ball valve
Bellow-type expansion joint.
In the technical program, valve and manual ball valve is prevented to be provided with bellow-type expansion joint in water hammer, bellows energy-conservation is inhaled
The vertical or horizontal dilatation amount in closed tube road, when water hammer prevention valve is opened, is easy between water hammer prevention valve and manual ball valve
Be deformed by larger pressure vibration, now by bellows energy-conservation effective protection pipeline because shuttle belt come damage
It is bad.
Further technical scheme is, it is above-mentioned in eliminate in water hammer buffering dress be socketed with pipeline and aqueduct
Put, buffer unit includes support, socket inner ring, fixed outer ring and buffer spring, fixed outer ring is rack-mount, fixed outer ring
It is arranged concentrically in the same plane with socket inner ring, and is fixedly connected by buffer spring between fixed outer ring and socket inner ring.
In the technical program, socket inner ring is socketed in water hammer and eliminates on pipeline and aqueduct, when water hammer eliminates pipeline
When and generation vibrated with aqueduct is rocked, buffer unit can be alleviated by buffer spring and support pipeline, prevent
Pipeline appearance is violent to rock and receives damaged injury.
Further technical scheme is to be provided with anchor block on the junction of three bypass lines on above-mentioned T-shaped pipeline.
In the technical program, anchor block can improve the crushing resistance of whole pipeline, further improve the intensity of whole pipeline.
Compared with prior art, beneficial effects of the present invention are at least one of following：
1st, the present invention prevents to eliminate water hammer by overlapping water hammer elimination pipeline on the pipeline of centrifugal pump, makes whole system safety
Stable operation.
2nd, by arranging multigroup water hammer pipeline is eliminated come further effectively prevention eliminates Large Diameter Pipeline, high-lift, high pressure solenoid
Water hammer in road water-carriage system.
3rd, the automaticity of this device is improve by controller, high-lift in Large Diameter Pipeline, high-pressure pipe water delivery system
In system, it is to avoid manpower is wasted time and energy in use, and prevent to eliminate the general situation of water hammer effect.
4th, bellows energy-conservation further protects water hammer prevention valve and manual ball valve, water hammer prevention valve when preventing from eliminating water hammer
The pipe welding seam problems of crack for working and causing.
5th, buffer unit further protects whole pipeline water delivery pipe-line system, it is to avoid because rocking the pipeline of violent generation
Problem of Cracking.
6th, anchor block can improve the crushing resistance of whole pipeline, further improve the intensity of whole pipeline.
Description of the drawings
Fig. 1 is that pipeline of the present invention illustrates connection sketch.
Fig. 2 is the connection diagram that a plurality of water hammer of the invention eliminates pipeline and a plurality of aqueduct.
Fig. 3 is the structural representation of bellow-type expansion joint of the present invention.
Fig. 4 is buffer unit structure schematic diagram of the present invention.
Fig. 5 is T-shaped pipeline configuration schematic diagram of the invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Embodiment 1
As shown in figure 1, eliminating pipe with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, including water hammer
Road 1, aqueduct 2, T-shaped pipeline 3, production discharge bay 5 and production intake pool 4, production intake pool 4 eliminates pipeline with water hammer respectively
1 and aqueduct 2 connect, T-shaped pipeline 3 has three bypass lines 31, wherein first bypass line 31 connects with aqueduct 2
Connect, Article 2 bypass line 31 eliminates pipeline 1 and is connected with water hammer, Article 3 bypass line 31 is connected with the production discharge bay 5,
Water hammer to be eliminated and be sequentially installed with water hammer prevention valve 11, the and of manual ball valve 12 from production intake pool 4 to discharge bay 5 is produced on pipeline 1
Pressure transmitter 13；Electric butterfly valve 21, centrifugal pump is sequentially installed with aqueduct 2 to production discharge bay 5 from production intake pool 4
22nd, electronic pump-controlling valve 23, the electronic ball valve 24 that surges, in the present embodiment, centrifugal pump 22 extracts the water produced in intake pool out right
After flow into production discharge bay, wherein electronic pump-controlling valve 23 controls the open and close of centrifugal pump, and electric butterfly valve 21 and electronic
The ball valve 24 that surges then controls whether have current to pass through on whole aqueduct 2, and water hammer eliminates the pressure transmitter 13 on pipeline 1
The pressure change in whole hydraulic pipeline can be sensed, manual ball valve 12 can be turned on and off by artificial, by aqueduct 2
Part current be incorporated into water hammer eliminate pipeline 1 in, and by water hammer prevent valve 11 eliminate water hammer, current is flowed back to again
Into production intake pool 4, wherein water hammer prevention valve 11 is that the Bai Ermeite control valves Co., Ltd bought on market is given birth to
The 835 type pressure oscillations produced stop in advance valve.
Embodiment 2
As shown in Fig. 2 in contrast to embodiment 1, the present embodiment further optimizes aqueduct 2 and water hammer eliminates pipeline 1, production
It is connected with aqueduct 2 more than two on intake pool 4 side by side；Water hammer eliminates pipeline 1 more than two, and is connected to life side by side
Produce between intake pool 4 and Article 2 bypass line 31, in the present embodiment, aqueduct 2 there are six groups, and water hammer eliminates pipeline 1 to be had
Three groups, larger for demand volume, and in the more serious long range of water hammer, high-lift, high-pressure pipe water-carriage system,
The effect that transport capacity and water hammer are eliminated can further be improved.
Embodiment 3
As shown in Fig. 2 in contrast to embodiment 2, the present embodiment is further additionally arranged controller 6, is connected with water hammer prevention valve 11
Controller 6, controller 6 is also connected with the signal of pressure transmitter 13；UPS devices 61, UPS have been both electrically connected with each centrifugal pump 22
Device 61 is connected with the signal of controller 6, and in the present embodiment, controller 6 can receive the pipe that pressure transmitter 13 constantly sends
Pressure change signal in road, when there is pressure oscillation on large scale, and the amplitude shaken beyond pressure transmitter setting high level or
During low value, pressure transmitter 13 sends a signal to controller 6, and controller 6 is received after signal feeding back to water hammer prevention valve 11,
And the pressure sluiced in release pipeline by opening water hammer prevention valve 11, so as to eliminate water hammer, UPS devices 61 are the steady sources of voltage stabilizing
Protection equipment, UPS devices 61 electrically connect with centrifugal pump 22, when centrifugal pump 22 because unexpected power-off and termination of pumping, now system pipes
Pressure produces fluctuation in road, and UPS devices 61 enter working condition, and UPS devices 61 are sent by controller feedwater hammer prevention valve 11
Signal, starts water hammer prevention valve 11, so as to the pressure sluiced in release pipeline, eliminates the water hammer in pipeline.
Embodiment 4
As shown in figure 3, in contrast to embodiment 1, the present embodiment is further additionally arranged bellow-type expansion joint 7, water hammer prevention valve 11 and hand
Bellow-type expansion joint 7 is installed on aqueduct 2 between dynamic ball valve 12, in the present embodiment, in water hammer prevention valve 11 and manually
Ball valve 12 is provided with bellow-type expansion joint 7, bellow-type expansion joint 7 can the vertical or horizontal dilatation amount of extraction duct, when water hammer it is pre-
When anti-valve 11 is opened, it is susceptible to larger pressure vibration and is deformed between water hammer prevention valve 11 and manual ball valve 12, this
When by bellow-type expansion joint 7 can effective protection pipeline because shuttle belt come damage.
Embodiment 5
As shown in figure 4, in contrast to embodiment 1, the present embodiment is further additionally arranged buffer unit, in water hammer pipeline 1 and defeated is eliminated
Buffer unit is socketed with waterpipe 2, buffer unit includes support 81, socket inner ring 82, fixed outer ring 83 and buffer spring
84, fixed outer ring 83 is arranged on support 81, and fixed outer ring 83 is arranged concentrically in the same plane with socket inner ring 82, and fixed
It is fixedly connected by buffer spring 84 between outer ring 83 and socket inner ring 82, in the present embodiment, socket inner ring 82 is socketed in water
Hammer eliminates pipeline 1, on aqueduct 2 and T-shaped pipeline 3, when water hammer, to eliminate pipeline 1, aqueduct 2 and T-shaped pipeline 3 vibrated
And produce when rocking, pipeline can be alleviated and be supported to buffer unit by buffer spring 84, prevent pipeline from violent rolling occur
Move and receive damaged injury.
Embodiment 6
As shown in figure 5, in contrast to embodiment 1, the present embodiment further optimizes T-shaped pipeline 3, three bypass ducts on T-shaped pipeline 3
Anchor block 32 is provided with the junction in road 31, in the present embodiment, anchor block 32 can improve the crushing resistance of whole pipeline, further carry
The intensity of high whole pipeline.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, in the range of disclosure, drawings and claims, can
Various modifications and improvement are carried out with the building block and/or layout to theme composite configuration.Except to building block and/or layout
The deformation and improvement for carrying out is outer, and to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. there is the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, including water hammer eliminates pipeline（1）, it is defeated
Waterpipe（2）, T-shaped pipeline（3）, production discharge bay（5）With production intake pool（4）, the production intake pool（4）Respectively with it is described
Water hammer eliminates pipeline（1）And aqueduct（2）Connection, the T-shaped pipeline（3）There are three bypass lines（31）, wherein first
Bypass line（31）With the aqueduct（2）Connection, Article 2 bypass line（31）Pipeline is eliminated with water hammer（1）Connection, the
Three bypass lines（31）With the production discharge bay（5）Connection, it is characterised in that：The water hammer eliminates pipeline（1）On from life
Produce intake pool（4）To production discharge bay（5）It is sequentially installed with water hammer prevention valve（11）, manual ball valve（12）And pressure transmitter
（13）；
The aqueduct（2）On from production intake pool（4）To production discharge bay（5）It is sequentially installed with electric butterfly valve（21）, from
Heart pump（22）, electronic pump-controlling valve（23）, the electronic ball valve that surges（24）.
2. according to claim 1 with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, its
It is characterised by：The production intake pool（4）On be connected with aqueduct more than two side by side（2）；
The water hammer eliminates pipeline（1）Have more than two, and be connected to production intake pool side by side（4）With Article 2 bypass line
（31）Between.
3. according to claim 2 with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, its
It is characterised by：The water hammer prevents valve（11）On be connected with controller（6）, the controller（6）Also with pressure transmitter（13）
Signal connects；
Each centrifugal pump（22）On be both electrically connected with UPS devices（61）, the UPS devices（61）With controller（6）Signal connects.
4. according to claim 1 with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, its
It is characterised by：The water hammer prevents valve（11）And manual ball valve（12）Between aqueduct（2）On bellow-type expansion joint is installed
（7）.
5. according to claim 1 with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, its
It is characterised by：Pipeline is eliminated in the water hammer（1）And aqueduct（2）On be socketed with buffer unit, the buffer unit bag
Include support（81）, socket inner ring（82）, fixed outer ring（83）And buffer spring（84）, the fixed outer ring（83）Installed in support
（81）On, fixed outer ring（83）With socket inner ring（82）It is arranged concentrically in the same plane, and fixed outer ring（83）In socket
Circle（82）Between pass through buffer spring（84）It is fixedly connected.
6. according to claim 1 with the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function, its
It is characterised by：The T-shaped pipeline（3）Upper three bypass lines（31）Junction on be provided with anchor block（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042517.0A CN106638788A (en) | 2017-01-20 | 2017-01-20 | Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042517.0A CN106638788A (en) | 2017-01-20 | 2017-01-20 | Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106638788A true CN106638788A (en) | 2017-05-10 |
Family
ID=58842225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042517.0A Pending CN106638788A (en) | 2017-01-20 | 2017-01-20 | Long-distance high-lift large-caliber pipeline water conveyance system with water hammer eliminating function |
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| Country | Link |
|---|---|
| CN (1) | CN106638788A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317341A (en) * | 2018-04-17 | 2018-07-24 | 河南创辉水利水电工程有限公司 | A kind of mountain area hydropower station pressure pipeline rock-fall proof structural damage |
| CN109885013A (en) * | 2019-03-31 | 2019-06-14 | 赵玉丹 | Pumping station system method of controlling security, device and pumping station system for hydraulic engineering |
| CN112096623A (en) * | 2020-09-25 | 2020-12-18 | 云南大红山管道有限公司 | Automatic shutdown control method for pump set of long-distance large-pipe-diameter pipeline water delivery pump station |
| CN112196783A (en) * | 2020-10-15 | 2021-01-08 | 云南大红山管道有限公司 | Automatic control starting method for pump set of long-distance large-pipe-diameter water delivery and transfer pump station |
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| CN206457876U (en) * | 2017-01-20 | 2017-09-01 | 云南大红山管道有限公司 | With the high-lift big-diameter pipeline water-carriage system of long range for eliminating water hammer function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317341A (en) * | 2018-04-17 | 2018-07-24 | 河南创辉水利水电工程有限公司 | A kind of mountain area hydropower station pressure pipeline rock-fall proof structural damage |
| CN109885013A (en) * | 2019-03-31 | 2019-06-14 | 赵玉丹 | Pumping station system method of controlling security, device and pumping station system for hydraulic engineering |
| CN109885013B (en) * | 2019-03-31 | 2021-12-14 | 赵玉丹 | Pump station system safety control method and device for hydraulic engineering and pump station system |
| CN112096623A (en) * | 2020-09-25 | 2020-12-18 | 云南大红山管道有限公司 | Automatic shutdown control method for pump set of long-distance large-pipe-diameter pipeline water delivery pump station |
| CN112096623B (en) * | 2020-09-25 | 2022-05-24 | 云南大红山管道有限公司 | Automatic shutdown control method for pump set of long-distance large-pipe-diameter pipeline water delivery pump station |
| CN112196783A (en) * | 2020-10-15 | 2021-01-08 | 云南大红山管道有限公司 | Automatic control starting method for pump set of long-distance large-pipe-diameter water delivery and transfer pump station |
| CN112196783B (en) * | 2020-10-15 | 2022-05-24 | 云南大红山管道有限公司 | Automatic control starting method for pump set of long-distance large-pipe-diameter water conveying and transferring pump station |
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Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |