CN104652351A - Constant-flow automatic ecological discharge method and constant-flow automatic ecological discharge device - Google Patents
Constant-flow automatic ecological discharge method and constant-flow automatic ecological discharge device Download PDFInfo
- Publication number
- CN104652351A CN104652351A CN201510060210.4A CN201510060210A CN104652351A CN 104652351 A CN104652351 A CN 104652351A CN 201510060210 A CN201510060210 A CN 201510060210A CN 104652351 A CN104652351 A CN 104652351A
- Authority
- CN
- China
- Prior art keywords
- ecological
- gate
- sluice gate
- overflow orifice
- flow rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 7
- 230000001932 seasonal effect Effects 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
Abstract
The invention discloses a constant-flow automatic ecological discharge method and constant-flow automatic ecological discharge device, and belongs to the technical field of water conservancy projects. The constant-flow automatic ecological discharge method comprises the following contents: A, acquiring the average minimum discharge water head difference deltaH, which is used for maintaining the requirement of the ecological environment of a reach under the current climate, of the reach; B, acquiring the actual water level H1 of an upstream reach and the water level H2 of an overflowing hole for discharge on a gate in real time, wherein the overflowing hole is formed in the gate, and the height of the overflowing hole is adjustable; C, judging whether actual discharge water head difference (H1-H2) is equal to the average minimum discharge water head difference deltaH, if yes, not adjusting the height of the overflowing hole, and if not, adjusting the height of the overflowing hole to enable H1-H2 to be equal to deltaH so as to meet the minimum ecological discharge amount requirement under the current climate. The position of the overflowing hole for discharge on the gate is automatically regulated according to an upstream water level in real time to realize constant-flow automatic ecological discharge, and a novel method is provided for solving the downstream ecological environmental protection problem of the downstream.
Description
Technical field
The present invention relates to hydraulic engineering technical field, to release method and releasing device in particular to a kind of constant flow rate automatic ecological.
Background technology
Along with developing rapidly of China's hydroelectric development, at the mountain stream that western gradient is larger, the dam built or planned to build is increasing.The destruction that the building of dam makes the ecological environment of partial rivers suffer in various degree, the destruction of the section especially between dam to factory building and downstream meander section is even more serious, causes river diminishing, local cutout even throughout the year exhausted.In order to protect the ecological environment of Tao River while hydroelectric development, according to the difference of climate zone residing for river, swimming the substantially invariable ecological flow of injection certain water temperature in Various Seasonal downwards by unlatching sluice is a kind of effective method.
Gate is as a kind of facility controlling drainage gallery, and have the effects such as interception current, controlling water level, adjust flux, when the current of bleed downstream certain flow, common way is to discharge current by aperture certain for gate opening.But there is following problem in this method: be in the opening process of gate on the one hand, owing to needing the gate that Integral lifting deadweight is larger, gatage is often not easily accurately controlled, more difficultly realizes the constant of letdown flow, also easily cause gate cavitation and cavitation erosion simultaneously; On the other hand, streamflow is unsteady flow under field conditions (factors), consider the change of upper pond level, the lower distance sluicing the stream distance water surface is often also among change, there is comparatively big error in such gatage size and actual conditions, be difficult to accurate control, also make the lower water temperature sluicing stream change greatly simultaneously, be unfavorable for the growth of downstream aquatic animals and plants.
Summary of the invention
A kind of constant flow rate automatic ecological is the object of the present invention is to provide to release method and releasing device, automatically the position of overflow orifice is regulated according to upper pond level, make lower sluicing stream can keep constant flow and water temperature constant, with solve existing by control area of passage method of releasing exist the problems referred to above.
For realizing the object of the invention, the technical scheme of employing is: a kind of constant flow rate automatic ecological is released method, comprises following content:
A. obtain section and under to maintain needed for this section ecological environment on average minimum, let out head difference Δ H at current climate;
B. the actual water level H of Real-time Obtaining upper reach
1, the water level H at overflow orifice place that gate is released
2; Wherein, overflow orifice offered by gate, the height adjustable of overflow orifice;
C. head difference (H is let out under judging reality
1-H
2) whether equal on average minimum under let out head difference Δ H, if so, then the height of overflow orifice does not adjust; If not, then regulate the height of overflow orifice, make H
1-H
2=Δ H, puts traffic requirement with the minimum ecological met under current climate.
Further, in content A, statistics section is at the average minimum ecological discharge of residing weather needed for this section ecological environment of maintenance and the actual flow of section, and the difference of the two is the minimum discharge needing to inject to this section; According to described minimum discharge calculate obtain described on average minimum under let out head difference Δ H.
Further, in content B, the actual water level H of described upper reach
1with the water level H at the overflow orifice place that gate is released
2for being obtained by level sensor Real-Time Monitoring.
Further, described gate comprises main shutter body and secondary sluice gate body, and secondary sluice gate body is vertically slidably arranged on main shutter body; Main shutter body offers the through slot communicated with current, described overflow orifice is opened on secondary sluice gate body, and corresponding with through slot; The vertical dimension of overflow orifice is less than the vertical dimension of through slot.
Further, in content C, the height of described adjustment overflow orifice comprises following content: work as H
1-H
2during > Δ H, obtain secondary sluice gate body and to move upward instruction, control secondary sluice gate body according to the described instruction that moves upward and move upward, make H
1-H
2=Δ H; Work as H
1-H
2during < Δ H, obtain secondary sluice gate body and move downward instruction, move downward instruction and control secondary sluice gate body according to described and move downward, make H
1-H
2=Δ H.
Present invention also offers a kind of constant flow rate automatic ecological to release gate, comprise main shutter body and secondary sluice gate body, secondary sluice gate body is vertically slidably arranged on main shutter body; Main shutter body offers the through slot communicated with current, secondary sluice gate body offers the overflow orifice corresponding with through slot, and the vertical dimension of overflow orifice is less than the vertical dimension of through slot; Between described secondary sluice gate body and main shutter body, slipper seal is arranged.
Further, be provided with sealing frame between described secondary sluice gate body and main shutter body, and sealing frame is positioned at around through slot.
Further, described through slot is vertical rectangle through slot, and described overflow orifice is circular.
Present invention also offers a kind of constant flow rate automatic ecological releasing device, comprise the gate described in above-mentioned any one, also comprise the level sensor of intelligent controller, monitoring upstream actual water level and overflow orifice place water level, level sensor is connected with the input of intelligent controller; Secondary sluice gate body is configured with gate hoist, and gate hoist is connected with the output of intelligent controller.
Further, described main shutter body is also connected with the headstock gear driving it to open and close.
Beneficial effect of the present invention:
1, the method for control flow of the present invention is controlled to change head into and control by traditional area of passage, can in real time according to the position of the overflow orifice that the automatic regulating gate of upper pond level is released, make lower sluicing stream can keep constant flow and water temperature constant, the automatic ecological realizing constant flow rate is released, and water temperature is substantially close with upstream surface temperature, protecting the growth environment of downstream aquatic animals and plants, providing a kind of new method for solving downstream ecology environmental protection problem;
2, change the pattern that traditional single gate controls overcurrent, change and jointly controlled by major-minor sluice gate body, main shutter body is mainly used in dash and releases on a large scale, and secondary sluice gate body is mainly used in accurately releasing on a small scale, and namely ecology is released; Like this, release in process in ecology, open and close object and change the less secondary sluice gate body of deadweight into by larger main shutter of conducting oneself with dignity, effectively reduce force of opening and closing;
3, by gathering the minimum ecological discharge of Different Climatic Zones, Various Seasonal, for river region planning in the future provides data supporting;
4, the inventive method is simple, it is convenient to control, both ensure that the ecology of Tao River was released requirement, the water yield can not be caused again to waste, can be widely used in the Tao River or water channel that need to utilize constant flow rate and constant water temperature, there is very wide application prospect, especially the Tao River in water channeling type power station, cutout section and the ecology of downstream meander section are released control, in addition, in the water intake engineering of civic landscape water channel, the method for releasing of the present invention also can be utilized to realize constant flow with the diversion works of agricultural irrigation.
Accompanying drawing explanation
Fig. 1 is that constant flow rate automatic ecological that the embodiment of the present invention provides is released the flow chart of method;
Fig. 2 is the particular flow sheet carrying out overflow orifice position adjustments in method flow diagram shown in Fig. 1;
Fig. 3 is the structural representation of the constant flow rate automatic ecological releasing device that the embodiment of the present invention provides;
Fig. 4 is that constant flow rate automatic ecological that the embodiment of the present invention provides is released the side sectional view of gate;
Fig. 5 is that constant flow rate automatic ecological that the embodiment of the present invention provides is released the front view of secondary sluice gate body of gate.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Fig. 1, Fig. 2 show constant flow rate automatic ecological provided by the invention and to release method, comprise following content:
A. obtain section and under to maintain needed for this section ecological environment on average minimum, let out head difference Δ H at current climate;
B. the actual water level H of Real-time Obtaining upper reach
1, the water level H at overflow orifice place that gate is released
2; Wherein, overflow orifice offered by gate, the height adjustable of overflow orifice;
C. head difference (H is let out under judging reality
1-H
2) whether equal on average minimum under let out head difference Δ H, if so, then the height of overflow orifice does not adjust; If not, then regulate the height of overflow orifice, make H
1-H
2=Δ H, puts traffic requirement with the minimum ecological met under current climate.
Wherein, current climate on average minimum under let out head difference Δ H and try to achieve under Different climate situation, its can be specifically season on average minimum under let out head difference, namely the weather according to different season divides quarterly, by climate zone residing for statistics Tao River at the season average minimum ecological discharge Q of Various Seasonal needed for this section ecological environment of maintenance
0with the actual flow Q of Tao River
1, try to achieve the minimum discharge Q(Q=Q needing to inject to this section
0-Q
1), and try to achieve Δ H by water force.Except dividing quarterly, also according to actual different other model split according to adapting with region residing for section, under Different climate situation, corresponding required constant flow rate can be injected to downstream.
The actual water level H of upper reach
1with the water level H at the overflow orifice place that gate is released
2specifically can be and obtained by level sensor Real-Time Monitoring.The data monitored are passed to intelligent controller by level sensor, by intelligent controller according to monitored data, judge whether water level meets H
1=H
2+ Δ H.
The gate adopted specifically can comprise main shutter body and secondary sluice gate body, and secondary sluice gate body is vertically slidably arranged on main shutter body; Main shutter body offers the through slot communicated with current, described overflow orifice is opened on secondary sluice gate body, and corresponding with through slot; The vertical dimension of overflow orifice is less than the vertical dimension of through slot.The overflow orifice of releasing is moved relative to main shutter body, adjustable by regulating secondary sluice gate body to realize head of releasing.Overflow orifice and through slot overlapping aperture are the flow section that ecology is released.
When water level meets H
1=H
2during+Δ H, let out under showing reality head difference equal season on average minimum under let out head difference Δ H, now letdown flow just in time equals the minimum discharge Q that need inject, and secondary sluice gate body does not need to adjust and can meet minimum ecological and to release requirement; When water level does not meet H
1=H
2during+Δ H, show that now letdown flow is unequal with the minimum discharge Q that need inject, secondary sluice gate body need adjust accordingly to meet the demands.
In the height regulating overflow orifice:
Work as H
1-H
2during > Δ H, show that now river, upstream (or reservoir) water level goes up, let out under reality head difference be greater than season on average minimum under let out head difference Δ H, actual letdown flow is greater than the minimum discharge Q that need inject, need reduce letdown flow, now, gate hoist obtains secondary sluice gate body and to move upward instruction, control secondary sluice gate body according to this instruction that moves upward to move upward, make H
1-H
2=Δ H, upwards coasting distance is Hu=H
1-H
2-Δ H;
Work as H
1-H
2during < Δ H, show now river, upstream (or reservoir) water level decreasing, let out under reality head difference be less than season on average minimum under let out head difference Δ H, actual letdown flow is less than the minimum discharge Q that need inject, and for meeting the ecological, environmental protective requirement of downstream Tao River, need increase letdown flow to meet minimum ecological discharge requirement, now, gate hoist obtains secondary sluice gate body and moves downward instruction, moves downward instruction and controls secondary sluice gate body and move downward, make H according to this
1-H
2=Δ H, glide downwards distance is Hd=H
2+ Δ H-H
1.
By the dragging track of the secondary sluice gate body of gate opening/closing machine travel between itself and main shutter body moves to relevant position, with let out under satisfied reality head difference equal season on average minimum under let out head difference Δ H, make letdown flow equal the minimum discharge Q that need inject.
Fig. 4, Fig. 5 show a kind of constant flow rate automatic ecological that can be used for above-mentioned method of releasing and to release gate, and comprise main shutter body 1 and secondary sluice gate body 2, secondary sluice gate body 2 is vertically slidably arranged on main shutter body 1; Main shutter body 1 offers the through slot 11 communicated with current, secondary sluice gate body 2 offers the overflow orifice 21 corresponding with through slot 11, and the vertical dimension of overflow orifice 21 is less than the vertical dimension of through slot 11; Between secondary sluice gate body 2 and main shutter body 1, slipper seal is arranged.
Specifically can be between secondary sluice gate body 2 and main shutter body 1 and be provided with sealing frame 3, and sealing frame 3 is positioned at around through slot 11, prevent current from flowing out between secondary sluice gate body 2 and main shutter body 1.Be slidably connected by slide rail 13 between secondary sluice gate body 2 and main shutter body 1.
When overflow orifice 21 is overlapping with through slot 11, overlapping overflow orifice 21 is the flow section that ecology is released, and through slot 11 specifically can be vertical rectangle through slot, and overflow orifice 21 is circular.Secondary sluice gate body 2 and main shutter body 1 are respectively equipped with secondary gate suspension hook 22, main shutter suspension hook 12, for being connected with its opening and closing device.
Fig. 3 shows a kind of constant flow rate automatic ecological releasing device realizing above-mentioned method of releasing, comprise the gate described in above-mentioned any one, also comprise the level sensor of intelligent controller, monitoring upstream actual water level and overflow orifice 21 place water level, level sensor is connected with the input of intelligent controller; Secondary sluice gate body 2 is configured with gate hoist, and gate hoist is connected with the output of intelligent controller.
When upstream and downstream water level changes, the actual water level detected is passed to intelligent controller by level sensor, intelligent controller determines the movement travel of secondary sluice gate body 2 according to upstream and downstream SEA LEVEL VARIATION situation, and assign instruction to gate hoist, the secondary sluice gate body 2 of gate opening/closing machine travel moves to assigned address, make all can keep constant in sluice the at present flow of stream and water temperature of any upper pond level, thus realize constant flow rate automatic ecological and release.
Main shutter body 1 also can be connected with the headstock gear driving it to open and close, and when releasing in a large number for needs, opens the downward liberation stream of main shutter body 1.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. constant flow rate automatic ecological is released a method, it is characterized in that, comprises following content:
A. obtain section and under to maintain needed for this section ecological environment on average minimum, let out head difference Δ H at current climate;
B. the actual water level H of Real-time Obtaining upper reach
1, the water level H at overflow orifice place that gate is released
2; Wherein, overflow orifice offered by gate, the height adjustable of overflow orifice;
C. head difference (H is let out under judging reality
1-H
2) whether equal on average minimum under let out head difference Δ H, if so, then the height of overflow orifice does not adjust; If not, then regulate the height of overflow orifice, make H
1-H
2=Δ H, puts traffic requirement with the minimum ecological met under current climate.
2. constant flow rate automatic ecological according to claim 1 is released method, it is characterized in that, in content A, statistics section is at the average minimum ecological discharge of residing weather needed for this section ecological environment of maintenance and the actual flow of section, and the difference of the two is the minimum discharge needing to inject to this section; According to described minimum discharge calculate obtain described on average minimum under let out head difference Δ H.
3. constant flow rate automatic ecological according to claim 1 is released method, it is characterized in that, in content B, and the actual water level H of described upper reach
1with the water level H at the overflow orifice place that gate is released
2for being obtained by level sensor Real-Time Monitoring.
4. constant flow rate automatic ecological according to claim 1 is released method, and it is characterized in that, described gate comprises main shutter body and secondary sluice gate body, and secondary sluice gate body is vertically slidably arranged on main shutter body; Main shutter body offers the through slot communicated with current, described overflow orifice is opened on secondary sluice gate body, and corresponding with through slot; The vertical dimension of overflow orifice is less than the vertical dimension of through slot.
5. constant flow rate automatic ecological according to claim 4 is released method, and it is characterized in that, in content C, the height of described adjustment overflow orifice comprises following content: work as H
1-H
2during > Δ H, obtain secondary sluice gate body and to move upward instruction, control secondary sluice gate body according to the described instruction that moves upward and move upward, make H
1-H
2=Δ H; Work as H
1-H
2during < Δ H, obtain secondary sluice gate body and move downward instruction, move downward instruction and control secondary sluice gate body according to described and move downward, make H
1-H
2=Δ H.
6. constant flow rate automatic ecological is released a gate, and it is characterized in that, comprise main shutter body and secondary sluice gate body, secondary sluice gate body is vertically slidably arranged on main shutter body; Main shutter body offers the through slot communicated with current, secondary sluice gate body offers the overflow orifice corresponding with through slot, and the vertical dimension of overflow orifice is less than the vertical dimension of through slot; Between described secondary sluice gate body and main shutter body, slipper seal is arranged.
7. constant flow rate automatic ecological according to claim 6 is released gate, it is characterized in that, be provided with sealing frame, and sealing frame is positioned at around through slot between described secondary sluice gate body and main shutter body.
8. constant flow rate automatic ecological according to claim 6 is released gate, and it is characterized in that, described through slot is vertical rectangle through slot, and described overflow orifice is circular.
9. a constant flow rate automatic ecological releasing device, it is characterized in that, comprise the gate according to any one of claim 6-8, also comprise the level sensor of intelligent controller, monitoring upstream actual water level and overflow orifice place water level, level sensor is connected with the input of intelligent controller; Secondary sluice gate body is configured with gate hoist, and gate hoist is connected with the output of intelligent controller.
10. constant flow rate automatic ecological releasing device according to claim 9, is characterized in that, described main shutter body is also connected with the headstock gear driving it to open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060210.4A CN104652351B (en) | 2015-02-05 | 2015-02-05 | A kind of constant flow rate automatic ecological is released method and releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060210.4A CN104652351B (en) | 2015-02-05 | 2015-02-05 | A kind of constant flow rate automatic ecological is released method and releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104652351A true CN104652351A (en) | 2015-05-27 |
| CN104652351B CN104652351B (en) | 2016-08-24 |
Family
ID=53243946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060210.4A Expired - Fee Related CN104652351B (en) | 2015-02-05 | 2015-02-05 | A kind of constant flow rate automatic ecological is released method and releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104652351B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2349409Y (en) * | 1998-10-19 | 1999-11-17 | 江苏省国营淮海石油机械厂 | Internal wedged parallel type double gate boards for gate valve |
| CN1312908A (en) * | 1998-07-07 | 2001-09-12 | 奈勒斯菲尔德控制有限公司 | Method and measuring apparatus for measuring freeness |
| US20020198668A1 (en) * | 2001-04-24 | 2002-12-26 | Lull John M. | System and method for a mass flow controller |
| CN101403929A (en) * | 2008-11-06 | 2009-04-08 | 清华大学 | Method and system for automatically controlling shutter drainage |
| JP2010525495A (en) * | 2007-04-27 | 2010-07-22 | ドレッサ、インク | Control of fluid regulation |
| CN103744443A (en) * | 2014-01-21 | 2014-04-23 | 中国水利水电科学研究院 | Large-scale open channel water level automatic control method based on storage capacity dynamic regulation |
-
2015
- 2015-02-05 CN CN201510060210.4A patent/CN104652351B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312908A (en) * | 1998-07-07 | 2001-09-12 | 奈勒斯菲尔德控制有限公司 | Method and measuring apparatus for measuring freeness |
| CN2349409Y (en) * | 1998-10-19 | 1999-11-17 | 江苏省国营淮海石油机械厂 | Internal wedged parallel type double gate boards for gate valve |
| US20020198668A1 (en) * | 2001-04-24 | 2002-12-26 | Lull John M. | System and method for a mass flow controller |
| JP2010525495A (en) * | 2007-04-27 | 2010-07-22 | ドレッサ、インク | Control of fluid regulation |
| CN101403929A (en) * | 2008-11-06 | 2009-04-08 | 清华大学 | Method and system for automatically controlling shutter drainage |
| CN103744443A (en) * | 2014-01-21 | 2014-04-23 | 中国水利水电科学研究院 | Large-scale open channel water level automatic control method based on storage capacity dynamic regulation |
Non-Patent Citations (4)
| Title |
|---|
| P.茄立克: "古加拉特4座坝使用保安闸门增加水库容量", 《水利水电快报》 * |
| 刘维平: "水电站进水口快速闸门水力学分析", 《水科学进展》 * |
| 曹民雄等: "向家坝水电站下游非恒定水沙特性研究", 《水利水运工程学报》 * |
| 朱三华等: "闸门开启过程的动态模拟及其应用", 《广东水利电力职业技术学院学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104652351B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204435328U (en) | A kind of constant flow rate automatic ecological is released gate and releasing device | |
| CN101403929B (en) | Method and system for automatically controlling shutter drainage | |
| CN106192935B (en) | A kind of method of adjustment and system of fish pass entrance river flow | |
| CN106320293B (en) | A kind of pivot gate for fish pass import | |
| CN106759164B (en) | A kind of tidal reach fish pass inlet design method and fish pass import | |
| CN104594320A (en) | Fish-passing type lock and fish-passing method | |
| CN106320294B (en) | A kind of fish pass for adapting to the level of tail water and changing | |
| CN104594321A (en) | Fish collecting and fish luring system and fish collecting and fish luring method of fish-passing type lock | |
| CN103982700A (en) | Automatic control device for passive farmland irrigation | |
| CN105010095A (en) | Specific discharge type irrigation water metering and controlling device | |
| CN205390014U (en) | Fish breed environmental open countryization in station of releasing and support device temporarily | |
| CN205266675U (en) | Be applied to efflux rivers attracting device of transporting something containerized fish system | |
| CN104652351A (en) | Constant-flow automatic ecological discharge method and constant-flow automatic ecological discharge device | |
| CN206157687U (en) | A pivot gate for fishway import | |
| CN208917798U (en) | A kind of stacked combination formula gate for fish pass import | |
| CN205063007U (en) | Improve device of low -lying department sewer rainwater throughput value | |
| CN106660816B (en) | Salt production automation system based on stereochemical structure evaporation tank | |
| CN109024505A (en) | A kind of stacked combination formula gate for fish pass import itself and application | |
| CN105804034A (en) | Seepage-preventing ditch water level automatic constant valve | |
| CN105672448A (en) | Efficient interception system and control method for agricultural non-point source pollution | |
| CN215593906U (en) | Retaining dam structure regulated and controlled by gate valve | |
| CN203523458U (en) | Water level self-adaptation anti-blocking water inlet device | |
| AU2014224135A1 (en) | System and method of river control | |
| CN209493909U (en) | A kind of aqueduct is across reservoir point water intaking structure | |
| TWI672993B (en) | Floating automatic irrigation system for saving water and anti-blocking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Jie Inventor after: Tang Li Inventor after: He Kaiming Inventor after: Army Inventor before: Ma Jie Inventor before: Tang Li Inventor before: He Kaiming Inventor before: Jiang Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA JIE TANG LI HE KAIMING JIANG JUN TO: MA JIE TANG LI HE KAIMING GANG JUN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610081, No. 55, Third Ring Road, ring road, Chengdu, Sichuan, Jinniu District Patentee after: SICHUAN INSTITUTE OF BUILDING RESEARCH Co.,Ltd. Address before: 610081, No. 55, Third Ring Road, ring road, Chengdu, Sichuan, Jinniu District Patentee before: SICHUAN INSITITUTE OF BUILDING RESEARCH |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |