Pressurizing and desilting device and method for water supply well

Abstract

The device comprises an air compressor arranged at a water supply well mouth, an air outlet of the air compressor is connected with an air supply pipe, the air supply pipe is connected with a silt discharging pipe, and one end of the silt discharging pipe extends into a silt layer of the water supply well; during use, the air compressor with proper power is selected, and the air supply pipe and the silt discharge pipe are mounted, so that high-pressure air can be conveyed to the well bottom; the air compressor is installed at the position close to a well mouth, the number of the split type steel pipes is increased or decreased according to the depth of the well bottom, and the silt discharging pipe with the preset length is formed; the pipeline joint is used for connecting the air supply pipe to the silt discharge pipe; the air compressor is started to generate high-pressure gas, the gas is conveyed into the silt discharging pipe through the gas supply pipe to generate high pressure to be conveyed into the silt layer, and the silt layer is gradually flushed out through the silt discharging pipe; the method solves the problems that in the prior art, water supply well dredging depends on manual or mechanical dredging, and efficiency is low, and has the advantages that stasis can be discharged through air pressure, the structure is simple, arrangement is easy, and operation efficiency is greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of water supply well pressure charging and desilting, and in particular relates to a water supply well pressure charging and desilting device and method. Background Art

[0002] Water supply wells are an indispensable part of construction facilities. However, since a large amount of daily debris and cement, sand and gravel from infrastructure sites flow into water supply wells, they are prone to blockage and siltation. The consequence is that the effective water supply area is too small or even completely blocked, affecting the normal water supply function. Traditional water supply well desilting work usually adopts manual or mechanical cleaning methods, which are inefficient, costly and have a harsh working environment. Therefore, it is necessary to design a water supply well pressurized desilting device and method to solve the above problems. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a water supply well pressurized dredging device and method, which solves the problem that the dredging of water supply wells in the prior art relies on manual or mechanical dredging and has low efficiency. It has the characteristics of being able to remove silt through air pressure, having a simple structure and easy to deploy, and greatly improving the operating efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: A water supply well pressurization and desilting device comprises an air compressor, which is arranged at the wellhead of the water supply well. An air supply pipe is connected to the air outlet of the air compressor, and the air supply pipe is connected to a silt removal pipe. One end of the silt removal pipe extends into the silt layer of the water supply well.

[0005] Preferably, the sludge discharge pipe is formed by splicing together a plurality of sections of split steel pipes; an outer surface of the bottom end of each section of the split steel pipe is provided with an outer thread, and an inner wall of the top end is provided with an inner thread.

[0006] Furthermore, the sludge discharge pipe is made of DN50 steel pipe.

[0007] Preferably, the diameter of the bottom end of the split steel pipe is smaller than the diameter of the top end, and a plurality of split steel pipes are connected to each other through internal threads and external threads to form a sludge discharge pipe.

[0008] Preferably, the lowest section of the silt discharge pipe is a bottom pipe, and an opening is provided on a side surface of the bottom pipe, and a sealed pipe joint is connected to the opening.

[0009] Preferably, one end of the pipe joint located in the silt discharge pipe extends into the silt discharge pipe, vertically downward toward the silt layer.

[0010] Preferably, the bottom end of the air supply pipe is connected to the sludge discharge pipe through a pipe joint.

[0011] Furthermore, the diameter of the pipe joint is smaller than the inner diameter of the silt discharge pipe, and the diameter of the pipe joint does not exceed one half of the inner diameter of the silt discharge pipe.

[0012] Preferably, a method for pressurizing and desilting a water supply well comprises the following steps: S1, Equipment preparation: Select an air compressor with suitable power, and install air supply pipes and silt removal pipes to enable high-pressure gas to be transported to the bottom of the well; S2, air compressor installation: Install the air compressor close to the wellhead to ensure that it can be easily connected to the air supply pipe at the bottom of the well; S3, sludge pipe connection: The drainage pipe is an L-shaped pipe. The number of split steel pipes is increased or decreased according to the depth of the well bottom to form a drainage pipe of a predetermined length; S4, gas supply pipe connection: Connect the air supply pipe to the pipe joint of the sludge discharge pipe; S5, dredging operation: Start the air compressor to generate high-pressure gas, and transport the gas to the silt discharge pipe through the air supply pipe to generate high pressure and send it into the silt layer, and the silt layer will be gradually flushed out through the silt discharge pipe.

[0013] The beneficial effects of the water supply well pressurization desilting device and method provided by the present invention are as follows: 1. This method solves the problem that the prior art water supply well desilting relies on manual or mechanical desilting and has low efficiency. It has the characteristics of being able to remove silt by air pressure, having a simple structure and being easy to deploy, which greatly improves the operating efficiency.

[0014] 2. The silt discharge pipe of this method is a split assembly structure, which can be set according to the depth of the water supply well, effectively improving the scope of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a construction schematic diagram of the present invention; In the figure: an air compressor 1, a water supply well 11, a silt layer 12, an air supply pipe 2, a silt discharge pipe 3, a bottom pipe 31, and a pipe joint 32. DETAILED DESCRIPTION

[0016] Embodiment 1: like Figure 1 A water supply well pressurization and desilting device is provided, comprising an air compressor 1, which is arranged at the wellhead of a water supply well 11. An air supply pipe 2 is connected to the air outlet of the air compressor 1, and the air supply pipe 2 is connected to a silt removal pipe 3. One end of the silt removal pipe 3 extends into a silt layer 12 of the water supply well 11.

[0017] Preferably, the sludge discharge pipe 3 is formed by splicing together a plurality of split steel pipe sections; an outer surface of the bottom end of each split steel pipe section is provided with an outer thread, and an inner wall of the top end is provided with an inner thread.

[0018] Furthermore, the sludge discharge pipe 3 is made of DN50 steel pipe.

[0019] Preferably, the diameter of the bottom end of the split steel pipe is smaller than the diameter of the top end, and a plurality of split steel pipes are connected to each other through internal threads and external threads to form a sludge discharge pipe 3 .

[0020] Preferably, the lowest section of the silt removal pipe 3 is a bottom pipe 31 , and an opening is formed on a side surface of the bottom pipe 31 , and a sealed pipe joint 32 is connected to the opening.

[0021] Preferably, one end of the pipe joint 32 located in the silt discharge pipe 3 extends into the silt discharge pipe 3 and extends vertically downward toward the silt layer 12 .

[0022] Preferably, the bottom end of the air supply pipe 2 is connected to the sludge discharge pipe 3 through a pipe joint 32 .

[0023] Furthermore, the diameter of the pipe joint 32 is smaller than the inner diameter of the sludge discharge pipe 3 , and the diameter of the pipe joint 32 does not exceed one half of the inner diameter of the sludge discharge pipe 3 .

[0024] Embodiment 2: A method for pressurizing and desilting a water supply well 11, comprising the following steps: S1, Equipment preparation: Select an air compressor 1 of suitable power, and install a gas supply pipe and a silt removal pipe 3 so that high-pressure gas can be transported to the bottom of the well; S2, air compressor 1 installation: Install the air compressor 1 close to the wellhead to ensure that it can be easily connected to the air supply pipe at the bottom of the well; S3, sludge discharge pipe 3 connection: The silt discharge pipe 3 is an L-shaped pipe, and the number of split steel pipes is increased or decreased according to the depth of the well bottom to form a silt discharge pipe 3 of a predetermined length; S4, gas supply pipe connection: Connect the air supply pipe to the pipe joint 32 of the sludge discharge pipe 3; S5, dredging operation: The air compressor 1 is started to generate high-pressure gas, and the gas is transported to the silt discharge pipe 3 through the air supply pipe to generate high pressure and sent into the silt layer 12, and the silt layer 12 is gradually flushed out through the silt discharge pipe 3.

Claims

1. A water supply well pressurization and desilting device, characterized in that: The invention comprises an air compressor (1), wherein the air compressor (1) is arranged at the wellhead of a water supply well (11), an air outlet of the air compressor (1) is connected to an air supply pipe (2), the air supply pipe (2) is connected to a silt removal pipe (3), and one end of the silt removal pipe (3) extends into a silt layer (12) of the water supply well (11).

2. A water supply well pressurization and desilting device according to claim 1, characterized in that: The sludge discharge pipe (3) is formed by splicing together a plurality of split steel pipe sections; an outer surface of the bottom end of each split steel pipe section is provided with an outer thread, and an inner wall of the top end is provided with an inner thread.

3. A water supply well pressurization and desilting device according to claim 2, characterized in that: The diameter of the bottom end of the split steel pipe is smaller than the diameter of the top end, and a plurality of split steel pipes are connected to each other through internal threads and external threads to form a sludge discharge pipe (3).

4. A water supply well pressurization and desilting device according to claim 3, characterized in that: The lowest section of the sludge discharge pipe (3) is a bottom pipe (31), and an opening is provided on a side surface of the bottom pipe (31), and a sealed pipe joint (32) is connected to the opening.

5. A water supply well pressurization and desilting device according to claim 4, characterized in that: One end of the pipe joint (32) located in the silt discharge pipe (3) extends into the silt discharge pipe (3) and extends vertically downward toward the silt layer (12).

6. A water supply well pressurization and desilting device according to claim 4, characterized in that: The bottom end of the air supply pipe (2) is connected to the inside of the sludge discharge pipe (3) via a pipe joint (32).

7. A method for pressurizing and desilting a water supply well according to claim 6, characterized in that: The following steps are involved: S1, Equipment preparation: Select an air compressor (1) of suitable power, and install a gas supply pipe (2) and a sludge drain (3) so that high-pressure gas can be delivered to the bottom of the well; S2, air compressor installation: Install the air compressor (1) close to the wellhead to ensure that it can be easily connected to the air supply pipe (2) at the bottom of the well; S3, sludge pipe connection: The silt discharge pipe (3) is an L-shaped pipe, and the number of split steel pipes is increased or decreased according to the depth of the well bottom to form a silt discharge pipe (3) of a predetermined length; S4, gas supply pipe connection: A pipe joint (32) for connecting the air supply pipe (2) to the sludge discharge pipe (3); S5, dredging operation: The air compressor (1) is started to generate high-pressure gas, and the gas is transported to the silt discharge pipe (3) through the air supply pipe (2) to generate high pressure and then sent into the silt layer (12), so that the silt layer (12) is gradually flushed out through the silt discharge pipe (3).

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