CN115404933A - Channel siltation identification method and dredging device - Google Patents
Channel siltation identification method and dredging device Download PDFInfo
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- CN115404933A CN115404933A CN202211024049.1A CN202211024049A CN115404933A CN 115404933 A CN115404933 A CN 115404933A CN 202211024049 A CN202211024049 A CN 202211024049A CN 115404933 A CN115404933 A CN 115404933A
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- water level
- channel
- pressure
- level gauge
- air
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Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a channel siltation identification method and a desilting device, and relates to the technical field of desilting. The method comprises the following steps: 1. arranging a radar water level gauge above the water channel, collecting channel water level information, and placing a pressure water level gauge at a certain distance from the bottom of the channel; 2. under the condition of no siltation, correct water level information can be acquired through the two water level gauges; when the sludge at the bottom exceeds the set sedimentation depth, the radar water level gauge outputs a value of a correct water level, the pressure water level gauge outputs a value far larger than the correct water level, then the water level values of the two water level gauges are compared, and when the difference value exceeds the set value, the bottom sedimentation is judged. The invention can effectively solve the problems of inconvenience caused by channel siltation, including incapability of normally working the gate and high difficulty in manual desilting.
Description
Technical Field
The invention relates to the technical field of channel dredging, in particular to a channel siltation identification method and a dredging device.
Background
In a channel with a large sand content, when water flows through the branch opening, the water flows into the branch opening, and when the gate is closed, the water flowing into the branch opening is decelerated, so that sediment in water is settled and deposited in front of the gate, as shown in fig. 1-2 (gate a, channel branch opening B and canal C): when the gate is closed for a long time, silt can bury the gate, makes the gate can not normal operating, and the channel can't lead to water to silt clearance is got up and is wasted time and energy. At present, a gate capable of preventing sludge siltation is not provided in the industry; therefore, the channel siltation identification method and the dredging device are invented.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a channel siltation identification method and a desilting device, which can effectively solve the problems of inconvenience caused by channel siltation, including incapability of normally working a gate and high difficulty in manual desilting.
In order to achieve the purpose, the invention is realized by the following technical scheme: a channel siltation identification method, comprising:
1. arranging a radar water level gauge above the water channel, collecting channel water level information, and placing a pressure water level gauge at a certain distance from the bottom of the channel;
2. under the condition of no siltation, correct water level information can be acquired through the two water level meters; when the sludge at the bottom exceeds the set sedimentation depth, the radar water level gauge outputs a value of a correct water level, the pressure water level gauge outputs a value far larger than the correct water level, then the water level values of the two water level gauges are compared, and when the difference value exceeds the set value, the bottom sedimentation is judged.
3. And after the bottom is settled, the pulse valve is opened, so that compressed gas generated by the air compressor is instantly sprayed out through the nozzle, and the bottom is washed to remove sludge.
Preferably, the certain distance is a set deposition depth and is determined by the installation distance.
The utility model provides a dredging device, including the radar water level gauge, the pressure water level gauge, a controller, air compressor, the energy storage ware, the pulse valve, high-pressure gas pipe, sway the motor, nozzle and pressure sensor, air compressor passes through high-pressure gas pipe and links to each other with the energy storage ware, be provided with pressure sensor on the energy storage ware, the high-pressure gas of energy storage ware passes through high-pressure gas pipe, the pulse valve is connected with jet-propelled pipeline, jet-propelled pipeline sets up on swaying the motor, jet-propelled pipeline lower part is provided with the nozzle, the pressure water level gauge sets up on the jet-propelled pipeline of channel bottom top, the channel top is provided with the radar water level gauge, the pressure water level gauge, air compressor, the pulse valve, sway the motor and pressure sensor and all link to each other with the controller.
Preferably, the swing motor is a 90 ° swing motor.
The invention has the beneficial effects that:
the invention judges whether the channel is silted or not by collecting water level information and silt siltation identification information, and then siltation is removed in time by compressed gas, so that siltation can not be accumulated all the time. The inconvenience that the channel siltation brought is effectively solved, including the gate can not normally work, the big problem of the manpower desilting degree of difficulty.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of a gate and a channel in the background art of the present invention;
FIG. 2 is a schematic diagram of the prior art silt deposit before the gate;
FIG. 3 is a schematic view of the mounting structure of the present invention;
FIG. 4 is a schematic structural diagram of the dredging device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 3 to 4, the following technical solutions are adopted in the present embodiment: a channel fouling identification method, comprising:
1. arranging a radar water level gauge above the ditch, collecting water level information of the ditch, and placing a pressure water level gauge at a certain distance (the certain distance refers to a set sedimentation depth and is determined by an installation distance) from the bottom of the ditch;
2. under the condition of no siltation, correct water level information can be acquired through the two water level meters; when the sludge at the bottom exceeds the set sedimentation depth, the radar water level gauge outputs a value of a correct water level, the pressure water level gauge outputs a value far larger than the correct water level, then the water level values of the two water level gauges are compared, and when the difference value exceeds a set value, the bottom sedimentation is judged;
3. and after the bottom is settled, the pulse valve is opened, so that compressed gas generated by the air compressor is instantly sprayed out through the nozzle, and the bottom is washed to remove sludge.
A dredging device comprises a radar water level gauge 1, a pressure water level gauge 2, a controller 3, an air compressor 4, an energy accumulator 5, a pulse valve 6, a high-pressure air pipe 7, a swing motor 8, a nozzle 9 and a pressure sensor 10, wherein the air compressor 4 is connected with the energy accumulator 5 through the high-pressure air pipe 7 and used for charging the energy accumulator during working; a pressure sensor 10 is arranged on the energy accumulator 5, high-pressure gas of the energy accumulator 5 is connected with a gas injection pipeline 11 through a high-pressure gas pipe 7 and a pulse valve 6, the gas injection pipeline 11 is arranged on a swing motor 8, a nozzle 9 is arranged on the lower portion of the gas injection pipeline 11, a pressure water level meter 2 is arranged on the gas injection pipeline 11 above a channel bottom 12, a radar water level meter 1 is arranged above the channel, and the radar water level meter 1, the pressure water level meter 2, an air compressor 4, the pulse valve 6, the swing motor 8 and the pressure sensor 10 are all connected with a controller.
The swing motor 8 adopts a 90-degree swing motor.
The nozzle orifice of the nozzle 9 is flat.
The air injection pipeline 11 extends into the bottom of the channel.
The work flow of the present embodiment:
1. the controller collects water level information of the radar water level gauge, judges whether the water level height meets a set water level value or not, and the collection frequency is adjusted according to the sand content;
2. the controller collects water level information of the pressure water level meter, and the collection frequency is adjusted according to the sand content;
3. comparing the radar water level gauge with the pressure water level gauge to judge whether the channel silts up or not;
4. when the water level meets the set water level value and the bottom of the channel is judged to have siltation; the controller starts the air compressor to charge the energy accumulator;
5. the controller collects the information of the pressure sensor and judges whether the air pressure reaches a set value;
6. after the air pressure meets the set value, the air compressor is closed;
7. opening a pulse valve to enable compressed gas to pass through a gas injection pipeline and to spray high-speed gas flow from a nozzle;
8. after the pulse valve is opened, delaying for 1-2 s, starting the 90-degree swing motor to drive the air injection pipe to swing for 90 degrees, so that the high-speed air flow injected by the nozzle impacts bottom sludge without dead angles at 90 degrees; the sludge is re-mixed with the water flow and then carried away by the water flow.
9. After 2-3 times of swing, the original position is returned.
This embodiment judges whether the channel deposits through gathering water level information, silt siltation identification information, then in time clears away the siltation through compressed gas, makes the siltation not accumulate all the time. The dredging device can effectively solve inconvenience caused by channel siltation, and comprises a gate which can not work normally and the problem of large difficulty in manpower dredging.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A channel siltation identification method, comprising:
(1) Arranging a radar water level gauge above the water channel, collecting channel water level information, and placing a pressure water level gauge at a certain distance from the bottom of the channel;
(2) Under the condition of no siltation, correct water level information can be acquired through the two water level meters; when the sludge at the bottom exceeds the set sedimentation depth, the radar water level gauge outputs a value of a correct water level, the pressure water level gauge outputs a value larger than the correct water level, then the water level values of the two water level gauges are compared, and when the difference value exceeds the set value, the bottom sedimentation is judged;
(3) And after the bottom siltation is judged, the pulse valve is opened, so that compressed gas generated by the air compressor is instantly sprayed out through the nozzle, and the bottom is washed to remove sludge.
2. The method as claimed in claim 1, wherein the certain distance is a set deposition depth and is determined by an installation distance.
3. The dredging device is characterized by comprising a radar water level gauge (1), a pressure water level gauge (2), a controller (3), an air compressor (4), an energy accumulator (5), a pulse valve (6), a high-pressure air pipe (7), a swinging motor (8), a nozzle (9) and a pressure sensor (10), wherein the air compressor (4) is connected with the energy accumulator (5) through the high-pressure air pipe (7), the pressure sensor (10) is arranged on the energy accumulator (5), high-pressure air of the energy accumulator (5) passes through the high-pressure air pipe (7), the pulse valve (6) is connected with an air injection pipeline (11), the air injection pipeline (11) is arranged on the swinging motor (8), the nozzle (9) is arranged on the lower portion of the air injection pipeline (11), the pressure water level gauge (2) is arranged on the air injection pipeline above a channel bottom (12), the radar water level gauge (1) is arranged above the channel, the radar water level gauge (1), the radar water level gauge (2), the air compressor (4), the pulse valve (6), the swinging motor (8) and the pressure sensor (10) are connected with the controller.
4. A dredging device according to claim 1, characterized in that the swing motor (8) is a 90 ° swing motor.
5. A dredging device according to claim 1, characterized in that the nozzle opening of the nozzle (9) is flat.
6. A dredging device according to claim 1, characterized in that the gas injection pipe (11) is arranged to extend into the bottom of the channel.
7. A dredging device according to claim 3, characterized in that the operation process is as follows: (1) The controller collects water level information of the radar water level gauge, judges whether the water level height meets a set water level value or not, and adjusts the collection frequency according to the sand content;
(2) The controller collects water level information of the pressure water level meter, and the collection frequency is adjusted according to the sand content;
(3) Comparing the radar level gauge with the pressure level gauge to judge whether the channel is silted;
(4) When the water level meets the set water level value and the sedimentation at the bottom of the channel is judged; the controller starts the air compressor to charge the energy accumulator;
(5) The controller collects information of the pressure sensor and judges whether the air pressure reaches a set value;
(6) After the air pressure meets the set value, the air compressor is closed;
(7) Opening the pulse valve to make the compressed gas pass through the gas injection pipeline and jet high-speed gas flow from the nozzle;
(8) After the pulse valve is opened, delaying for 1-2 s, starting the 90-degree swing motor to drive the air injection pipe to swing for 90 degrees, so that the high-speed air flow injected by the nozzle impacts bottom sludge without dead angles at 90 degrees; mixing the sludge with the water flow again and then carrying away the sludge through the water flow;
(9) And after swinging for 2-3 times, returning to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024049.1A CN115404933A (en) | 2022-08-25 | 2022-08-25 | Channel siltation identification method and dredging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024049.1A CN115404933A (en) | 2022-08-25 | 2022-08-25 | Channel siltation identification method and dredging device |
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| Publication Number | Publication Date |
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| CN115404933A true CN115404933A (en) | 2022-11-29 |
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| CN202211024049.1A Pending CN115404933A (en) | 2022-08-25 | 2022-08-25 | Channel siltation identification method and dredging device |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146675A (en) * | 1998-11-16 | 2000-05-26 | Hitachi Ltd | Method and facility for measurement of water level |
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| KR101906451B1 (en) * | 2018-07-04 | 2018-12-05 | (주)리테크 | Ultrasonic measurement apparatus with automatic frequency recognition and automatic defense function in water level and sludge level meter |
| CN110984061A (en) * | 2019-12-12 | 2020-04-10 | 南京津码智能科技有限公司 | Automatic sediment removal method based on small irrigation canal flow measurement system |
| CN112921909A (en) * | 2021-04-02 | 2021-06-08 | 浙江数智交院科技股份有限公司 | Large-span moisture-proof working gate |
| CN113737878A (en) * | 2021-09-08 | 2021-12-03 | 韩东兴 | Desilting equipment for gas field methanol and light hydrocarbon containing closed space and use method |
| CN114382129A (en) * | 2022-01-24 | 2022-04-22 | 中铁十六局集团有限公司 | Underwater exhaust sand flushing system with multiple nozzles |
| CN114577164A (en) * | 2022-03-19 | 2022-06-03 | 山西禹水科技有限公司 | River channel underwater siltation thickness detection device and construction method |
-
2022
- 2022-08-25 CN CN202211024049.1A patent/CN115404933A/en active Pending
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| JP2001279707A (en) * | 2000-03-31 | 2001-10-10 | Shimonoseki Ichi | Sludge removing system |
| JP2008096303A (en) * | 2006-10-12 | 2008-04-24 | Yokogawa Electric Corp | Immersion type water gauge |
| CN201548260U (en) * | 2009-10-29 | 2010-08-11 | 唐山现代工控技术有限公司 | Silt channel flow measurement device |
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| CN108532663A (en) * | 2018-03-21 | 2018-09-14 | 谢彬彬 | A kind of ship channel cleanout device |
| CN208105195U (en) * | 2018-04-27 | 2018-11-16 | 陈存露 | River course gate with dredging function |
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| CN108716213A (en) * | 2018-07-23 | 2018-10-30 | 山东大学 | A kind of amount water installations, method and dredging method suitable for sandy channel |
| CN110984061A (en) * | 2019-12-12 | 2020-04-10 | 南京津码智能科技有限公司 | Automatic sediment removal method based on small irrigation canal flow measurement system |
| CN112921909A (en) * | 2021-04-02 | 2021-06-08 | 浙江数智交院科技股份有限公司 | Large-span moisture-proof working gate |
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| CN114382129A (en) * | 2022-01-24 | 2022-04-22 | 中铁十六局集团有限公司 | Underwater exhaust sand flushing system with multiple nozzles |
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