CN111237261A - Siphon drainage structure and using method thereof - Google Patents

Siphon drainage structure and using method thereof Download PDF

Info

Publication number
CN111237261A
CN111237261A CN202010186309.XA CN202010186309A CN111237261A CN 111237261 A CN111237261 A CN 111237261A CN 202010186309 A CN202010186309 A CN 202010186309A CN 111237261 A CN111237261 A CN 111237261A
Authority
CN
China
Prior art keywords
water
well
siphon
section
water collecting
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.)
Pending
Application number
CN202010186309.XA
Other languages
Chinese (zh)
Inventor
刘鹏飞
刘敏
崔尚进
刘少玉
聂振龙
张光辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Geosciences Beijing
Institute of Hydrogeology and Environmental Geology CAGS
Original Assignee
China University of Geosciences Beijing
Institute of Hydrogeology and Environmental Geology CAGS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Geosciences Beijing, Institute of Hydrogeology and Environmental Geology CAGS filed Critical China University of Geosciences Beijing
Priority to CN202010186309.XA priority Critical patent/CN111237261A/en
Publication of CN111237261A publication Critical patent/CN111237261A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F10/00—Siphons
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
    • E03B3/08—Obtaining and confining water by means of wells
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/40—Other devices for confining, e.g. trenches, drainage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F04D15/0236—Lack of liquid level being detected by analysing the parameters of the electric drive, e.g. current or power consumption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention discloses a siphon drainage structure and a using method thereof, wherein the siphon drainage structure comprises a water source well, a water collecting well, a siphon pipe, an exhaust valve, an electric ball valve, a first liquid level relay, a submersible pump, an alternating current contactor, a frequency converter and a second liquid level relay. The siphon comprises a first vertical section, a connecting section and a second vertical section, wherein the connecting section comprises a first ascending section, a first descending section, a second ascending section and a second descending section which are sequentially connected from a water source well to a water collecting well. When the electric ball valve is opened, the water level difference in the water source well and the water collecting well is larger, the flow in the siphon pipe is larger, the air accumulated at the upward protruding part in the siphon pipe can be discharged into the water collecting well along with the water flow, and the gas in the siphon pipe is discharged at intervals through intermittent large-flow water supply, so that the efficient siphoning is ensured.

Description

Siphon drainage structure and using method thereof
Technical Field
The invention relates to the technical field of siphon wells, in particular to a siphon drainage structure and a using method thereof.
Background
The siphon well is a well group which uses siphon pipes to connect a plurality of water source wells and water collecting wells and lifts water from the water collecting wells. The siphon well has the advantages of enlarging the water taking range, increasing the water taking amount of a single well and saving energy. Particularly, the siphon well has obvious application advantages in a low-permeability zone of underground water.
The siphon well concentrates water of peripheral water source wells into the water collecting well by means of atmospheric pressure, has high requirements on the leakproofness of siphon pipelines, and is difficult to avoid slow air leakage in the pipelines in long-term operation. Particularly, when shallow groundwater is pumped from the siphon well, the gas content in the water is high, when water flows into the siphon pipeline from the well, the gas pressure is reduced, and the gas is slowly released, so that the siphon pipeline is inflated, and the water pumping efficiency is reduced.
Therefore, how to improve the water pumping efficiency of the siphon well is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a siphon drainage structure and a using method thereof, which supply water to a water collecting well at intervals in a large flow rate through a water source well, further discharge air in a siphon pipeline and ensure continuous, efficient and stable operation of the siphon well.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a siphon drainage structure, which comprises a water source well, a water collecting well, a siphon, an exhaust valve, an electric ball valve, a first liquid level relay, a submersible pump, an alternating current contactor, a frequency converter and a second liquid level relay, wherein the water source well is connected with the water collecting well;
the siphon comprises a first vertical section, a connecting section and a second vertical section, wherein the first vertical section is positioned in the water source well, the second vertical section is positioned in the water collecting well, the upper end of the first vertical section is connected with the upper end of the second vertical section through the connecting section, the connecting section comprises a first ascending section, a first descending section, a second ascending section and a second descending section which are sequentially connected from the water source well to the water collecting well, the lower end of the first ascending section is connected with the upper end of the first vertical section, the lower end of the second descending section is connected with the upper end of the second vertical section, and an exhaust port is arranged at the connecting part of the first ascending section and the first descending section;
the exhaust valve is fixed at the exhaust port;
the electric ball valve is fixed at the connecting part of the first descending section and the second ascending section;
the electric ball valve is connected to the first liquid level relay in a drainage line mode, three first signal wires extending out of the first liquid level relay extend into the water source well, and the heights of the lower ends of the three first signal wires are different;
the submersible pump is arranged at the bottom of the water collecting well, a water outlet pipe is fixed at a water outlet of the submersible pump, and the water outlet pipe extends out of the water collecting well;
the alternating current contactor is electrically connected with the submersible pump;
the frequency converter is electrically connected with the alternating current contactor;
and three second signal wires extending out of the second liquid level relay extend into the water collecting well, the heights of the lower ends of the three second signal wires are different, and the second liquid level relay is electrically connected with the alternating current contactor.
Preferably, the flow meter is fixed at the connecting part of the first descending section and the second ascending section.
Preferably, the depth of the water collecting well is 9m, the depth of the water source well is 7m, and the distance between the water collecting well and the water source well is 40 m.
Preferably, the siphon is a plastic pipe with an embedded steel wire, and the inner diameter of the siphon is 4 cm.
Preferably, the lower ends of the three first signal wires are respectively 4m, 5.5m and 7m away from the wellhead of the water source well.
Preferably, the lower ends of the three second signal wires are respectively 6m, 8m and 9m away from the wellhead of the water collecting well.
The invention also discloses a using method of the siphon drainage structure, which comprises the following steps:
s1, determining the frequency of a frequency converter, wherein the frequency of the frequency converter is determined by the requirement of the submersible pump on the water pumping quantity, and the water pumping quantity of the submersible pump is the sum of the maximum stable water inflow quantity of the water collecting well and each water source well;
s2, turning on the electric ball valve to control the power supply, enabling the electric ball valve to be in an open state, discharging air in the siphon pipe from the exhaust valve by using the vacuum pump, and sequentially turning off the exhaust valve and the vacuum pump after the air in the siphon pipe is discharged;
s3, switching on a power supply of the submersible pump, enabling water in the water source well to flow into the water collecting well along a siphon pipe along with the falling of the water level in the water collecting well, and after the water collecting well runs for a period of time, concentrating air stored in the siphon pipe on a connecting part of the first ascending section and the first descending section and a connecting part of the second ascending section and the second descending section;
s4, when the water level in the water source well drops to 5.5m, the first signal line at the middle height is exposed out of the water surface, the electric ball valve is closed, the water source well stops supplying water into the water collecting well, the water level in the water source well rises, when the water level reaches 4m, the first signal line at the upper side enters the water, and the electric ball valve is opened;
s5, rapidly flowing water in the water source well to the water collecting well along a siphon pipe, and discharging air accumulated in the siphon pipe to the water collecting well along with water flow;
s6, when the water level in the water source well drops to 5.5m, the first signal line at the middle height is exposed out of the water surface, and the electric ball valve is closed;
s7, repeating the processes 4-6 in sequence, supplying water to the water collecting well by the water source well at intervals and large flow, and discharging the air accumulated in the water collecting well out of the siphon tube in sequence;
and S8, in long-time operation, if the water level in the water collecting well is lower than 8m, the second signal line at the middle height is exposed out of the water surface, the submersible pump is powered off to stop pumping water, and when the water level in the water collecting well rises to 6m, the submersible pump is powered on to start pumping water.
Compared with the prior art, the invention has the following technical effects:
according to the invention, by integrating siphon and automatic control technologies, the water source well supplies water to the water collecting well at large flow intervals by setting the regulating water level difference of the water collecting well and the water source well and the power of the pump, so that air in a siphon pipeline is discharged, and the continuous, efficient and stable operation of the siphon well is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a siphon drainage structure according to the present embodiment;
description of reference numerals: 1, a water source well; 2 a first signal line; 3, a siphon pipe; 4, an exhaust valve; 5, an electric ball valve; 6, a flow meter; 7, a water collecting well; 8 a second level relay; 9, a frequency converter; 10 an alternating current contactor; 11 a submersible pump; 12 a first level relay.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a siphon drainage structure and a using method thereof, which supply water to a water collecting well at intervals in a large flow rate through a water source well, further discharge air in a siphon pipeline and ensure continuous, efficient and stable operation of the siphon well.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the present embodiment provides a siphon drainage structure, which includes a water source well 1, a water collecting well 7, a siphon 3, an exhaust valve 4, an electric ball valve 5, a first liquid level relay 12, a submersible pump 11, an ac contactor 10, a frequency converter 9, and a second liquid level relay 8.
The siphon 3 comprises a first vertical section, a connecting section and a second vertical section, the first vertical section is located in the water source well 1, the second vertical section is located in the water collecting well 7, and the upper end of the first vertical section is connected with the upper end of the second vertical section through the connecting section. The linkage segment includes by 1 first ascending section, first descending section, the ascending section of second and the descending section of second that link to each other in proper order of source well 7 directions to the sump pit, and the lower extreme of first ascending section links to each other with the upper end of first vertical section, and the lower extreme of second descending section links to each other with the upper end of the vertical section of second, and the connecting portion of first ascending section and first descending section are equipped with the gas vent. The connecting part of the first ascending section and the first descending section of the siphon 3 and the connecting part of the second ascending section and the second descending section of the siphon protrude upwards to store the air in the siphon 3, so that the electric ball valve 5 is driven by the large water flow generated when the electric ball valve is closed to be opened to be drained at one time. The exhaust valve 4 is fixed at the exhaust port, and the gas in the siphon tube 3 can be exhausted by connecting the exhaust valve 4 with an air exhaust structure (such as a vacuum pump). The electric ball valve 5 is fixed to a connection portion between the first descending stage and the second ascending stage, and the start and stop of the siphon process can be controlled by controlling the opening and closing of the electric ball valve 5. On first liquid level relay 12 was received with drainage circuit's mode to electric ball valve 5, three first signal lines 2 that first liquid level relay 12 stretched out stretched to in the water source well 1, the 2 lower extreme height differences of three first signal lines, first liquid level relay 12 is through the switching of the electronic ball valve 5 of induction control to the water level in the water source well 1. The submersible pump 11 is arranged at the bottom of the water collecting well 7, a water outlet pipe is fixed at the water outlet of the submersible pump 11 and extends out of the water collecting well 7, and the submersible pump 11 is used for pumping water in the water collecting well 7 out of the well. The ac contactor 10 is electrically connected to the submersible pump 11, and the frequency converter 9 is electrically connected to the ac contactor 10. The frequency converter 9 is used for controlling the pumping speed of the submersible pump 11, and the AC contactor 10 is used for controlling the opening and closing of the submersible pump 11. Three second signal lines that second liquid level relay 8 stretched out are stretched to in sump pit 7, and three second signal line lower extreme height difference, second liquid level relay 8 are connected with ac contactor 10 electricity, and second liquid level relay 8 is through the switching to the induction control ac contactor 10 of water level in the sump pit 7 to control immersible pump 11's switching.
Further, in order to facilitate the observation of the flow rate of the water in the siphon 3, the present embodiment further includes a flow meter 6, and the flow meter 6 is fixed to the connection portion between the first descending section and the second ascending section. Because the gas in the siphon 3 is concentrated on the connecting part of the first ascending section and the first descending section and the connecting part of the second ascending section and the second descending section, the mounting position of the flowmeter 6 is always in a water saturation state.
Specifically, in this embodiment, the depth of the water collecting well 7 is 9m, the depth of the water source well 1 is 7m, and the distance between the water collecting well 7 and the water source well 1 is 40 m. The siphon 3 is a plastic pipe with an embedded steel wire, and the inner diameter of the siphon 3 is 4 cm. The lower ends of the three first signal wires 2 are respectively 4m, 5.5m and 7m away from the well mouth of the water source well 1. The lower ends of the three second signal wires are respectively 6m, 8m and 9m away from the wellhead of the water collecting well 7.
The embodiment also provides a use method of the siphon drainage structure, which comprises the following steps:
s1, determining the frequency of the frequency converter 9, wherein the frequency of the frequency converter 9 is determined by the water pumping quantity requirement of the submersible pump 11, and the water pumping quantity of the submersible pump 11 is the sum of the maximum stable water inflow quantity of the water collecting well 7 and each water source well 1.
And S2, opening the electric ball valve 5 to control the power supply, opening the electric ball valve 5, and discharging air in the siphon 3 from the exhaust valve 4 by using the vacuum pump. After the air in the siphon is exhausted, the exhaust valve 4 and the vacuum pump are closed in sequence.
And S3, switching on the power supply of the submersible pump 11, allowing water in the water source well 1 to flow into the water collecting well 7 along the siphon pipe 3 along with the descending of the water level in the water collecting well 7, and after the water collecting well operates for a period of time, concentrating air accumulated in the siphon pipe 3 on the connecting part of the first ascending section and the first descending section and the connecting part of the second ascending section and the second descending section.
S4, when the water level in the water source well 1 drops to 5.5m, the first signal line 2 at the middle height is exposed out of the water surface, the electric ball valve 5 is closed, the water source well 1 stops supplying water into the water collecting well 7, the water level in the water source well 1 rises, when the water level reaches 4m, the first signal line 2 at the upper side enters the water, and the electric ball valve 5 is opened.
S5, water in the water source well 1 flows to the water collecting well 7 along the siphon pipe 3 rapidly, and air accumulated in the siphon pipe 3 is discharged to the water collecting well 7 along with water flow.
And S6, when the water level in the water source well 1 drops to 5.5m, the first signal wire 2 at the middle height is exposed out of the water surface, and the electric ball valve 5 is closed.
And S7, repeating the processes 4-6 in sequence, and discharging the air accumulated in the water source well 1 out of the siphon 3 in sequence when the water source well supplies water to the water collecting well 7 at intervals and large flow.
S8, in long-time operation, if the water level in the water collecting well 7 is lower than 8m, the second signal line at the middle height is exposed out of the water surface, the submersible pump 11 is powered off, water pumping is stopped, and when the water level in the water collecting well 7 rises to 6m, the submersible pump 11 is powered on, and water pumping is started.
It should be noted that, when the electric ball valve 5 is opened, the water level difference between the water source well 1 and the water collecting well 7 is large, the flow rate in the siphon tube 3 is large, and the air accumulated at the upward protruding part in the siphon tube 3 is discharged into the water collecting well 7 along with the water flow. Through intermittent large-flow water supply, the gas in the siphon pipe 3 is discharged at intervals, and the efficient siphon operation is ensured.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (7)

1. A siphon drainage structure comprises a water source well, a water collecting well and a siphon, and is characterized by further comprising an exhaust valve, an electric ball valve, a first liquid level relay, a submersible pump, an alternating current contactor, a frequency converter and a second liquid level relay;
the siphon comprises a first vertical section, a connecting section and a second vertical section, wherein the first vertical section is positioned in the water source well, the second vertical section is positioned in the water collecting well, the upper end of the first vertical section is connected with the upper end of the second vertical section through the connecting section, the connecting section comprises a first ascending section, a first descending section, a second ascending section and a second descending section which are sequentially connected from the water source well to the water collecting well, the lower end of the first ascending section is connected with the upper end of the first vertical section, the lower end of the second descending section is connected with the upper end of the second vertical section, and an exhaust port is arranged at the connecting part of the first ascending section and the first descending section;
the exhaust valve is fixed at the exhaust port;
the electric ball valve is fixed at the connecting part of the first descending section and the second ascending section;
the electric ball valve is connected to the first liquid level relay in a drainage line mode, three first signal wires extending out of the first liquid level relay extend into the water source well, and the heights of the lower ends of the three first signal wires are different;
the submersible pump is arranged at the bottom of the water collecting well, a water outlet pipe is fixed at a water outlet of the submersible pump, and the water outlet pipe extends out of the water collecting well;
the alternating current contactor is electrically connected with the submersible pump;
the frequency converter is electrically connected with the alternating current contactor;
and three second signal wires extending out of the second liquid level relay extend into the water collecting well, the heights of the lower ends of the three second signal wires are different, and the second liquid level relay is electrically connected with the alternating current contactor.
2. The siphon drainage structure according to claim 1, further comprising a flow meter fixed to a connection portion of the first descending section and the second ascending section.
3. A siphon drainage structure according to claim 1, characterised in that the depth of the water collection well is 9m, the depth of the water source well is 7m and the distance between the water collection well and the water source well is 40 m.
4. A siphon drainage structure according to claim 1, characterised in that the siphon tube is a steel wire embedded plastic tube with an internal diameter of 4 cm.
5. A siphon drainage structure according to claim 1, characterised in that the lower ends of the three first signal lines are respectively 4m, 5.5m and 7m from the well head of the water source well.
6. The siphon drainage structure of claim 1, wherein the lower ends of the three second signal lines are respectively 6m, 8m and 9m away from the wellhead of the water collecting well.
7. A method of using a siphon drain according to any of claims 1 to 6, characterised by the following steps:
s1, determining the frequency of a frequency converter, wherein the frequency of the frequency converter is determined by the requirement of the submersible pump on the water pumping quantity, and the water pumping quantity of the submersible pump is the sum of the maximum stable water inflow quantity of the water collecting well and each water source well;
s2, turning on the electric ball valve to control the power supply, enabling the electric ball valve to be in an open state, discharging air in the siphon pipe from the exhaust valve by using the vacuum pump, and sequentially turning off the exhaust valve and the vacuum pump after the air in the siphon pipe is discharged;
s3, switching on a power supply of the submersible pump, enabling water in the water source well to flow into the water collecting well along a siphon pipe along with the falling of the water level in the water collecting well, and after the water collecting well runs for a period of time, concentrating air stored in the siphon pipe on a connecting part of the first ascending section and the first descending section and a connecting part of the second ascending section and the second descending section;
s4, when the water level in the water source well drops to 5.5m, the first signal line at the middle height is exposed out of the water surface, the electric ball valve is closed, the water source well stops supplying water into the water collecting well, the water level in the water source well rises, when the water level reaches 4m, the first signal line at the upper side enters the water, and the electric ball valve is opened;
s5, rapidly flowing water in the water source well to the water collecting well along a siphon pipe, and discharging air accumulated in the siphon pipe to the water collecting well along with water flow;
s6, when the water level in the water source well drops to 5.5m, the first signal line at the middle height is exposed out of the water surface, and the electric ball valve is closed;
s7, repeating the processes 4-6 in sequence, supplying water to the water collecting well by the water source well at intervals and large flow, and discharging the air accumulated in the water collecting well out of the siphon tube in sequence;
and S8, in long-time operation, if the water level in the water collecting well is lower than 8m, the second signal line at the middle height is exposed out of the water surface, the submersible pump is powered off to stop pumping water, and when the water level in the water collecting well rises to 6m, the submersible pump is powered on to start pumping water.
CN202010186309.XA 2020-03-17 2020-03-17 Siphon drainage structure and using method thereof Pending CN111237261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010186309.XA CN111237261A (en) 2020-03-17 2020-03-17 Siphon drainage structure and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010186309.XA CN111237261A (en) 2020-03-17 2020-03-17 Siphon drainage structure and using method thereof

Publications (1)

Publication Number Publication Date
CN111237261A true CN111237261A (en) 2020-06-05

Family

ID=70873593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010186309.XA Pending CN111237261A (en) 2020-03-17 2020-03-17 Siphon drainage structure and using method thereof

Country Status (1)

Country Link
CN (1) CN111237261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115162388A (en) * 2022-08-11 2022-10-11 浙江大地勘测设计有限公司 Foundation pit parallel siphon dewatering device and dewatering construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115162388A (en) * 2022-08-11 2022-10-11 浙江大地勘测设计有限公司 Foundation pit parallel siphon dewatering device and dewatering construction method
CN115162388B (en) * 2022-08-11 2023-10-31 浙江大地勘测设计有限公司 Foundation pit parallel siphon dewatering device and dewatering construction method

Similar Documents

Publication Publication Date Title
CN108560693B (en) Side slope siphon drainge system starter and method
CN211852309U (en) Siphon drainage structure
CN111237261A (en) Siphon drainage structure and using method thereof
CN105113721B (en) Generating rainwater drainage pipe
CN211735711U (en) Integrated intercepting well of automatic gate valve controlled by rainfall
CN108589695B (en) A kind of automatic starting formula has both the side slope siphon drainge system and method for flow monitoring function
CN209686541U (en) Hydrocone type self-draining arrangement
CN215142572U (en) Flushing system of gate pump
CN215626897U (en) Air-floating liquid-liquid separation device
CN211571936U (en) Bury formula integration fire pump station
CN108314137A (en) A kind of height slot type greasy dirt floating collection system
CN209123411U (en) A kind of decentralized type sewage collection settler of suitable rural area
CN2503247Y (en) Pumping device
CN208106478U (en) A kind of coal mine gas extraction automatic water drainage device
CN108871865B (en) Full-process automatic rainfall runoff sampling device
CN111962540A (en) Automatic drainage box
CN210919151U (en) Automatic water supply and drainage device
CN2572300Y (en) Float type water filling/taking device in water tank of solar energy water heater
CN217329430U (en) Water treatment facilities inflow control adjustment device
CN221074352U (en) Automatic water draining device
CN216280686U (en) Multifunctional valve combined box
CN219430975U (en) Device for draining water in reservoir by utilizing atmospheric pressure
RU2424448C1 (en) Procedure for extraction of reservoir degassed fluid
CN217150602U (en) Improve automatically cleaning system of sewage discharge lift
CN218062587U (en) Vacuum pump set of foundation pit deep well dewatering zone gas-water separator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination