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Light well point combined type foundation pit dewatering device

A light-duty well point, combined technology, applied in water supply installations, drinking water installations, infrastructure projects, etc., can solve the problems of difficult construction, inconvenient operation, etc., to facilitate construction, reduce the possibility of dust, and save manpower Effect

Active Publication Date: 2021-11-05
江苏富源广建设发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: before pumping water, the operator needs to insert the well point pipe into the ground and into the groundwater layer. The very long well point pipe is inserted into the ground until it reaches the depth that can meet the construction requirements of the foundation pit. When the operator inserts the very long well point pipe into the groundwater layer that meets the construction requirements for pumping, the construction is difficult and the operation inconvenient

Method used

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  • Light well point combined type foundation pit dewatering device
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  • Light well point combined type foundation pit dewatering device

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Embodiment Construction

[0034] The following is attached Figure 1-6 The application is described in further detail.

[0035] The embodiment of the application discloses a light well point combined foundation pit dewatering device. refer to figure 1 and figure 2 , a light well point combined foundation pit dewatering device includes a vacuum jet pump 1, a water collection main pipe 2, a well point pipe 3, a drainage pipe 4, a curved connecting pipe 5 and a deep suction high pressure jet pump 6. The water collection main pipe 2 is laid on the ground 7 in the form of a sealing ring, the vacuum jet pump 1 communicates with the water collection main pipe 2 through the outlet pipe, and one end of the vacuum jet pump 1 communicates with the drain pipe 4 .

[0036] refer to figure 1 and figure 2 , One end of the curved connecting pipe 5 communicates with the water collecting main pipe 2, and the other end communicates with the well point pipe 3. A plurality of well point pipes 3 are provided, and the ...

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Abstract

The invention relates to a light well point combined type foundation pit dewatering device. The light well point combined type foundation pit dewatering device comprises a vacuum jet pump, a water collecting main pipe, a well point pipe, a water drainage pipe, a bent connecting pipe and a deep-suction high-pressure jet pump; the water collecting main pipe is laid on the ground in a closed loop mode, the vacuum jet pump communicates with the water collecting main pipe, one end of the vacuum jet pump communicates with the water drainage pipe, one end of the bent connecting pipe communicates with the water collecting main pipe, and the other end of the bent connecting pipe communicates with the well point pipe; the deep-suction high-pressure jet pump communicates with the bent connecting pipe; the well point pipe comprises a first water suction rod and a second water suction rod, and an extension assembly for driving the second water suction rod to move downwards is arranged between the first water suction rod and the second water suction rod; and a water seepage cylinder is arranged at one end of the second water suction rod, the two ends of the water seepage cylinder are closed, a plurality of water seepage holes are formed in the side wall of the water seepage cylinder, a water measuring assembly for measuring the water amount in the water seepage cylinder is arranged in the water seepage cylinder and electrically connected with the extension assembly through a control system, and the water seepage cylinder is inserted into an underground water layer. The light well point combined type foundation pit dewatering device has the effect of facilitating construction of operators.

Description

technical field [0001] The invention relates to the technical field of well point dewatering, in particular to a light well point combined foundation pit dewatering device. Background technique [0002] Well point precipitation is a method of artificially lowering the groundwater level. Therefore, it is also called "well point precipitation method". Before the excavation of the foundation pit, a certain number of filter pipes (wells) are buried around the foundation pit, and the excavated soil is always kept dry by using pumping equipment to pump water. [0003] The Zhonggu patent with the notification number CN103866777B discloses a light well point dewatering construction method for shallow foundation pits in coastal areas, in which each well point pipe is connected to the corresponding curved connecting pipe, and the curved connecting pipe is connected to the water collection main pipe Connection, the light well point dewatering construction method used for shallow foun...

Claims

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Application Information

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IPC IPC(8): E02D19/10E02D19/20E02D17/02E03B3/06B01D47/06
CPCE02D19/10E02D19/20E02D17/02E03B3/06B01D47/06
Inventor 陆军
Owner 江苏富源广建设发展有限公司
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