CN211665781U - Well washing device for dewatering well - Google Patents

Abstract

The utility model relates to a precipitation well-flushing device, which comprises a sand pumping pipe vertically arranged in the precipitation well, wherein the bottom of the precipitation well is a sediment layer, a water accumulation layer is arranged above the sediment layer, a vertical submersible pump is arranged in the precipitation well, the submersible pump is positioned in the water accumulation layer, a water inlet of the submersible pump is provided with a silt flushing component, the silt flushing component comprises a three-way joint and a silt flushing pipe, and the water outlet end of the silt flushing pipe is positioned at one side of the submersible pump and is arranged towards the sediment layer; the utility model discloses simple structure, convenient to use, can be uninterrupted to the outer discharge silt of precipitation well to reduce the time that the well-flushing consumed, improve the efficiency of well-flushing, and when outwards arrange silt, the synchronous automatic silt that stirs up the precipitation well bottom does not need artifical manual muddy operation of stirring in to the well silt, has reduced constructor quantity, has reduced construction cost.

Description

Well washing device for dewatering well

Technical Field

The utility model belongs to the construction field, concretely relates to precipitation well washing device.

Background

In engineering construction, underground water is necessary to be abundant when a construction site of a building engineering is near open water such as a ditch, a river, a lake and the like, and when the elevation of the bottom of a general excavation foundation pit is low, the water level of the underground water needs to be manually reduced in order to ensure that the construction site of the engineering is dry and clean and the engineering is convenient to smoothly construct, or in order to ensure the construction quality of the engineering and the like for excavating foundation pit safety.

At present, in the construction process of engineering buildings, when the water level of underground water needs to be reduced, a general method is to arrange a precipitation well on the ground surface, wherein the precipitation well plays a role in reducing the underground water level or draining the underground water, the water in a stratum where a building is located is reduced to 50 centimeters below the bottom of a pit by draining the water in a deep well, and the depth of the precipitation well needs to be set according to precipitation requirements. The dewatering well is in the work progress, and well washing is an indispensable procedure, and its main objective is to wash the sedimentary silt in dewatering well bottom, prevents that can not reach the precipitation demand because the sedimentary silt influence immersible pump of dewatering well bottom can not arrive required position.

Chinese patent literature that the publication number is "CN 205224062U" is inquired through the retrieval, discloses a precipitation well-flushing device, including suction pipe, high-pressure air hose and air compressor machine, the air compressor machine sets up subaerial, suction pipe, high-pressure air hose are vertical to be located in the precipitation well, high-pressure air hose one end with the air compressor machine is connected, the one end that the suction pipe is located ground is equipped with the silt nozzle, the other end that the suction pipe is located the precipitation well sets up the silt surface in the precipitation well bottom, the intercommunication is equipped with a tuyere on the one end lateral wall that the suction pipe is located the precipitation well, the tuyere with the suction pipe forms Y-shaped structure, the tuyere with the one end of high-pressure air hose is connected.

This patent scheme has the advantage that structural design is reasonable, and the washing device that this patent scheme provided need not open ceaselessly and close the air compressor machine in the use, utilizes the flood peak pressure in the well to push out the well outside with the water that has the silt particle, nevertheless to the well external discharge silt particle be intermittent, well-flushing inefficiency, and is long-term.

The Chinese patent document with the publication number of CN208455653U is searched and inquired, the well washer body is installed in a precipitation well and comprises a mud outlet steel pipe and an air inlet steel pipe, the mud outlet steel pipe is positioned on one side of the air inlet steel pipe and is parallel to the air inlet steel pipe, the lower end of one side of the mud outlet steel pipe is connected and communicated with the air inlet steel pipe through a transverse communication steel pipe, the lower end of the mud outlet steel pipe is lower than the lower end of the air inlet steel pipe, the lower end of the mud outlet steel pipe is cut into an inclined plane, the mud outlet steel pipe is fixedly connected with the air inlet steel pipe through a connecting rod, the connecting rod is positioned above the transverse communication steel pipe, the upper end of the mud outlet steel pipe is connected with a mud outlet hose, the upper end of the mud outlet hose extends out of the precipitation well, and the upper end of the air inlet steel pipe is connected with the air inlet hose, and the air inlet hose extends to the outside of the dewatering well and is connected with the air compressor, the fixed cover in middle part of connecting rod is equipped with connecting sleeve, connecting sleeve's upper end welding has the lifting bar, the upper end of lifting bar all is connected with the handle.

The flushing device that this patent scheme provided utilizes compressed air kinetic energy, both can wash, clear away precipitation well bottom siltation silt, can be outside its discharge well again, have the advantage that structural design is reasonable, however the flushing device that this patent scheme provided needs the manual work to hold the lifting rod constantly to carry the flushing device that shakes when using, manual muddy stirring operation to silt in the well, because need the special messenger to hold the lifting rod constantly to carry the flushing device that shakes during the use, so the flushing device that this patent scheme provided, it is inconvenient to use, extravagant artifical, increase construction cost.

SUMMERY OF THE UTILITY MODEL

Defect and problem to current well washing device existence, the utility model provides a precipitation well washing device, this device can be when using uninterrupted to the well external discharge silt, reducible well washing time, the efficiency of well washing is improved, and this device can stir the shaft bottom silt automatically when carrying out the well washing operation, high durability and convenient use, thereby not only solved current well washing device and interrupted the discharge silt and washed the problem that the well spent is long, well washing efficiency is low, the extravagant manual work of current well washing device has still been solved, construction cost is increased, use inconvenient problem.

The utility model provides a scheme that its technical problem adopted is: the utility model provides a precipitation well-flushing device, includes the vertical sand pumping pipe that sets up in the precipitation well, the bottom of precipitation well is the silt layer, and the silt layer top is the water accumulation layer, be provided with the perpendicular immersible pump of putting in the precipitation well, the immersible pump is located the water accumulation in situ, the water inlet department of immersible pump is equipped with washes the silt subassembly, washes the silt subassembly and includes three way connection and washes the silt pipe, three way connection's first joint is in the same place with the sealed fixed connection of delivery port of immersible pump, three way connection's second festival connects and takes out the sealed fixed connection of port under the sand pumping pipe and is in the same place, three way connection's third joint is in the same place with the sealed fixed connection of the end of intaking that washes the silt pipe, the play water end that washes the.

The silt flushing pipe comprises a transverse pipe and a vertical pipe, the vertical pipe and the submersible pump are arranged in parallel at intervals, one end of the transverse pipe is connected with a third connector of a three-way connector in a sealing mode, the other end of the transverse pipe and the upper end of the vertical pipe are fixed together in a sealing mode through a right-angle connector, and the bottom end of the vertical pipe is located above the horizontal plane of the bottom end of the submersible pump or flush with the horizontal plane of the bottom end of the submersible pump.

The vertical pipe and the submersible pump are fixed together through a connecting assembly, the connecting assembly comprises fixing sleeves sleeved on the vertical pipe and the submersible pump, and the two fixing sleeves are fixedly connected together through a connecting rod.

The pipe diameter size of the silt flushing pipe is a, the pipe diameter size of the sand pumping pipe is b, and a is smaller than b.

The sand discharge pipe is radially arranged on the ground on one side of the wellhead of the dewatering well, and one end, close to the dewatering well, of the sand discharge pipe is fixedly connected with the upper end of the sand pumping pipe in a sealing mode.

The utility model has the advantages that: the utility model provides a precipitation well-washing device, including the sand pumping pipe of vertical setting in the precipitation well, the bottom of precipitation well is the silt layer, and the sediment layer top is the ponding layer, be provided with vertical immersible pump in the precipitation well, the immersible pump is located the ponding layer, the water inlet department of immersible pump is equipped with washes the silt subassembly, washes the silt subassembly and includes tee bend and washes the silt pipe, and the water that the immersible pump was taken out can be divided into two parts through the tee bend, and one part discharges the precipitation well through the sand pumping pipe, and another part is spout to the silt layer through washing the silt pipe, and silt on the silt layer can be stirred by the impact of the rivers of spouting from the bottom of standpipe and rises and mixes together with the intraformational water of ponding, and the immersible pump can absorb the water that mixes with silt and continue to divide into two parts through the tee bend, and one part continues to discharge the precipitation well through the sand pumping pipe, and, thereby realizing synchronous automatic stirring of silt at the bottom of the dewatering well and continuous discharge of water with silt to the outside of the dewatering well.

The utility model provides a pair of precipitation well washing device can be uninterrupted to the outside silt of discharging of precipitation well to reduce the time that the well washing spent, improve the efficiency of well washing, and in outside row silt simultaneously synchronous automatic stirring precipitation well bottom's silt, do not need artifical manual muddy operation of stirring in to the well silt, reduced constructor quantity, reduced construction cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the three-way joint of the present invention.

Fig. 3 is a schematic view of the structure of the silt flushing pipe of the present invention.

Fig. 4 is a schematic view of the standpipe and submersible pump of the present invention.

Fig. 5 is a schematic view of the structure of the connection assembly of the present invention.

Reference numbers in the figures: 1 is precipitation well, 11 is the silt layer, 12 is the water accumulation layer, 2 is for taking out the sand pipe, 3 is the immersible pump, 31 is the outlet, 4 is towards the silt subassembly, 41 is three way connection, 411 is first joint, 412 is the second joint, 413 is the third joint, 42 is towards the silt pipe, 421 is violently the pipe, 422 is the standpipe, 423 is the right angle joint, 5 is the dead lever, 6 is row's sand pipe, 7 is the joint, 8 is coupling assembling, 81 is fixed pump housing, 811 is left pump fastener, 812 is right pump fastener, 813 is the pump joint platform, 82 is fixed pipe sleeve, 821 is left pipe fastener, 822 is right pipe fastener, 823 is the pipe joint platform, 83 is the connecting rod.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

Precipitation well is in the work progress, the well-flushing is an indispensable procedure, its main objective is to wash precipitation well bottom sedimentary silt, prevent because precipitation well bottom sedimentary silt influences the immersible pump and can't go down required position, it is inconvenient not only to reach the current well-flushing device of precipitation demand, need manual stirring precipitation well bottom silt, extravagant artifical, increase construction cost, and it is discontinuous to discharge silt out of well, the well-flushing time is long, low efficiency, not only can increase construction cost, and the efficiency of construction is low.

The embodiment provides a well washing device for a dewatering well as shown in fig. 1 and fig. 2, which comprises a sand pumping pipe 2 vertically arranged in a dewatering well 1, wherein a sand discharge pipe 6 is radially arranged on the ground on the right side of the wellhead of the dewatering well 1, the upper end of the sand pumping pipe 2 in the dewatering well 1 extends upwards to form the dewatering well 1 and is fixedly connected with the left port of the sand discharge pipe 6 in a sealing way through a joint 7, and the sand discharge pipe 6 and the sand pumping pipe 2 are fixedly sealed together through a direct joint 7, so that the sand discharge pipe 6 is communicated with the inside of the sand pumping pipe 2; the bottom of precipitation well 1 is silt layer 11, silt layer 11 top is water accumulation layer 12, be provided with vertical immersible pump 3 in the precipitation well 1, immersible pump 3 is located precipitation well 1's water accumulation layer 12, be equipped with between immersible pump 3 top and the sand pumping pipe 2 and wash silt subassembly 4, it includes vertical three way connection 41 and wash silt pipe 42 to wash silt subassembly 4, the first joint 411 of the lower extreme of three way connection 41 and the sealed fixed connection of outlet of immersible pump 3 upper end are in the same place, after immersible pump 3 began to work, the water that immersible pump 3 took out can be arranged into three way connection 41 through outlet 31 of immersible pump 3 upper end, the second joint 412 of three way connection 41 upper end and the lower port of sand pumping pipe 2 in precipitation well 1 sealed fixed connection together, the third joint 413 sealed fixed connection on three way connection 41 middle part right side has washed silt pipe 42.

As shown in fig. 3, the silt flushing pipe 42 includes a horizontal pipe 421 and a vertical pipe 422, both the horizontal pipe 421 and the vertical pipe 422 are hard water pipes, the vertical pipe 422 and the submersible pump 3 are arranged in parallel at an interval, the bottom end of the vertical pipe 422 faces the silt layer 11, the left end of the horizontal pipe 421 and the upper end of the vertical pipe 421 are fixedly connected together through a right-angle joint 423 in a sealing manner, the horizontal pipe 421 and the vertical pipe 422 are communicated with each other through the right-angle joint 423, the left end of the horizontal pipe 421 is fixedly connected with a third joint 413 of a three-way joint 41 in a sealing manner, the bottom end of the vertical pipe 422 is located above the bottom horizontal plane of the submersible pump 3 or flush with the bottom horizontal, the bottom end of the vertical pipe 422 is inserted into the silt layer 11 to block the vertical pipe 422, the pipe diameter of the horizontal pipe 421 of the silt flushing pipe 42 is a, the pipe diameter of the vertical pipe 422 is b, and the pipe diameter of the sand pumping pipe 2 is c, wherein a is b < c.

When the device provided by the embodiment is applied to the well washing operation of the dewatering well, as shown in fig. 1, firstly, the device provided by the embodiment is assembled, then the submersible pump 3 is lowered into the dewatering well 1 from the well mouth of the dewatering well 1, when the submersible pump 3 is lowered into the water accumulation layer 12 above the silt layer 11 of the dewatering well 1, the submersible pump 3 is started to drive the submersible pump 3 to pump water, the water pumped by the submersible pump 3 is discharged into the three-way joint 41 through the water outlet 31 at the upper end of the submersible pump 3, the water discharged into the three-way joint 41 is divided into two parts, one part is discharged into the sand pumping pipe 2 through the second joint 412, the other part is discharged into the silt flushing pipe 42 through the third joint 413, the water discharged into the sand pumping pipe 2 enters the sand discharging pipe 6 through the joint 7 to discharge the dewatering well 1, the water discharged into the silt flushing pipe 42 is ejected from the bottom end of the standpipe 422 of the silt flushing pipe 41, because the bottom end of the standpipe 422 of the silt flushing pipe 41 faces the silt layer 11, the diameter of the silt flushing pipe 42 is smaller than that of the sand pumping pipe 2, so that the impact force of the discharged water from the silt flushing pipe is strong, the silt on the silt layer 11 is stirred up by the impact of the water flow sprayed from the bottom end of the vertical pipe 422 and mixed with the water in the water accumulation layer 12, the submersible pump 3 in work can suck the water mixed with the silt and discharge one part of the water out of the precipitation well 1 through the sand flushing pipe 6 through the three-way joint 41, and the other part of the water is continuously sprayed out of the silt layer 11 through the silt flushing pipe 42, so that the silt at the bottom of the precipitation well 1 is synchronously and automatically stirred up; when the water discharged from the sand discharge pipe 6 becomes clear, the height of the submersible pump 3 is lowered downwards, and the operation is circulated until the submersible pump 3 is lowered to the precipitation depth and the water discharged from the sand discharge pipe 6 becomes clear, and then the well washing operation is completed.

Example 2

Example 2 in comparison to example 1 the standpipe and submersible pump are secured together by a coupling assembly.

As shown in the figure, the connecting assembly 8 comprises a fixed pipe sleeve 81 sleeved on a vertical pipe and a fixed pump sleeve 82 sleeved on a submersible pump, the fixed pump sleeve 81 comprises a semi-annular left pump clamping piece 811 and a semi-annular right pump clamping piece 812 which are symmetrically arranged, the outer ring tail ends of the left pump clamping piece 811 and the right pump clamping piece 812 are hinged together, the left pump clamping piece 811 and the right pump clamping piece 812 can be opened or buckled in a turnover way around a hinge shaft, the head ends of the left pump clamping piece 811 and the right pump clamping piece 812 both extend outwards to form a pump connecting platform 813, the middle part of the pump connecting platform 813 is both transversely provided with a bolt hole, the head ends of the left pump clamping piece 811 and the right pump clamping piece 812 can be fixed together by installing a fixing bolt in the bolt hole and locking the fixing bolt through a nut, when the head ends of the left pump clamping piece 811 and the right pump clamping piece 812 are fixed together, the left pump clamping piece 811 and the right pump clamping piece 812 can mutually press the submersible pump, so that the fixed pump sleeve 81 is fixed on the submersible pump.

The fixing pipe sleeve 82 comprises a semi-annular left pipe clamping piece 821 and a semi-annular right pipe clamping piece 822 which are symmetrically arranged, the tail ends of the outer rings of the left pipe clamping piece 821 and the right pipe clamping piece 822 are hinged together, the left pipe clamping piece 821 and the right pipe clamping piece 822 can be turned around a hinge shaft to be opened or buckled, the head ends of the left pipe clamping piece 821 and the right pipe clamping piece 822 extend outwards to form a pipe connecting table 823, bolt holes are transversely formed in the middle of the pipe connecting table 823, fixing bolts are installed in the bolt holes and are locked through nuts, the head ends of the left pipe clamping piece 821 and the right pipe clamping piece 822 can be fixed together, and when the head ends of the left pipe clamping piece 821 and the right pipe clamping piece 822 are fixed together, the left pipe clamping piece 821 and the right pipe clamping piece 822 can mutually extrude each other, so that the fixing pipe sleeve 82 is fixed on a vertical pipe.

The right pump catch 812 of the fixed pump housing 81 and the left pipe catch 821 of the fixed pipe housing 82 are fixedly welded together by the connecting rod 83.

This embodiment device is when using, because immersible pump 3 and standpipe 422 pass through coupling assembling fixed connection together, takes place vibrations when preventing that standpipe 422 from outwards spraying water and leads to standpipe 422 water spray direction to take place to squint, and causes and can not produce the impact to the silt of silt layer 11, influences the well-flushing effect.

The head ends of the left clamping piece 15 and the right clamping piece 16 are fixed together, and when the head ends of the left clamping piece 15 and the right clamping piece 16 are fixed together, the left clamping piece 15 and the right clamping piece 16 can mutually extrude the vertical pipe, so that the pipe sleeve assembly 4 is fixed on the vertical pipe.

Claims (5)

1. The utility model provides a precipitation well-flushing device, includes the vertical sand pumping pipe that sets up in the precipitation well, the bottom of precipitation well is the silt layer, and the silt layer top is the water accumulation layer, its characterized in that, be provided with the perpendicular immersible pump of putting in the precipitation well, the immersible pump is located the water accumulation in situ, the water inlet department of immersible pump is equipped with and washes the silt subassembly, washes the silt subassembly and includes three way connection and washes the silt pipe, three way connection's first joint is in the same place with the sealed fixed connection of delivery port of immersible pump, three way connection's second joint is in the same place with the sealed fixed connection of port under the sand pumping pipe, three way connection's third joint is in the same place with the sealed fixed connection of the end of intaking that washes the silt pipe, the play water end that washes the silt pipe.

2. The dewatering well washing device according to claim 1, wherein the silt flushing pipe comprises a horizontal pipe and a vertical pipe, the vertical pipe and the submersible pump are arranged in parallel at intervals, one end of the horizontal pipe is connected with a third joint of the three-way joint in a sealing mode, the other end of the horizontal pipe and the upper end of the vertical pipe are fixed together in a sealing mode through a right-angle joint, and the bottom end of the vertical pipe is located above the horizontal plane of the bottom end of the submersible pump or flush with the horizontal plane of the bottom end of the submersible pump.

3. The dewatering well washing device as claimed in claim 2, wherein the standpipe and the submersible pump are fixed together by a connecting assembly, the connecting assembly including fixing sleeves fitted over the standpipe and the submersible pump, the fixing sleeves being fixedly connected together by a connecting rod.

4. The well washing device of dewatering well as claimed in claim 1, wherein the pipe diameter size of the silt flushing pipe is a, the pipe diameter size of the sand pumping pipe is b, and a < b.

5. The dewatering well washing device as claimed in claim 1, wherein a sand discharge pipe is radially arranged on the ground on the wellhead side of the dewatering well, and one end of the sand discharge pipe adjacent to the dewatering well is fixedly connected with the upper end of the sand extraction pipe in a sealing manner.

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