CN210684746U - Modified precipitation well plugging device - Google Patents
Modified precipitation well plugging device Download PDFInfo
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- CN210684746U CN210684746U CN201921157767.XU CN201921157767U CN210684746U CN 210684746 U CN210684746 U CN 210684746U CN 201921157767 U CN201921157767 U CN 201921157767U CN 210684746 U CN210684746 U CN 210684746U
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Abstract
The utility model discloses an improved precipitation well plugging device, which comprises a precipitation steel barrel placed in a precipitation well, wherein a plugging device body is arranged in the precipitation steel barrel, the plugging device body comprises a sealing cover, at least one sleeve pipe passing through the sealing cover and a water pump arranged at the lower end of the sleeve pipe and matched with the sleeve pipe to complete the work, and the sealing cover is connected with the precipitation steel barrel; the sleeve is provided with a gate valve, and the gate valve is arranged at the upper part of the sleeve and positioned above the sealing cover; a water suction pipe at one end of the water suction pump extends into the lower part of the precipitation steel barrel, a water discharge pipe at the other end of the water suction pump penetrates through the sleeve pipe to extend out of the precipitation well, and a protective shell matched with the water suction pump is sleeved outside the water suction pump. The utility model has the advantages of simple structure and novel design are simple and easy, can realize that the shutoff effect is reliable, reduce precipitation well's construction cost, practice thrift the time limit for a project, also can solve conventional precipitation well plugging device when improving the efficiency of construction and have the problem of shutoff inefficiency.
Description
Technical Field
The utility model relates to a precipitation well plugging device especially relates to a modified precipitation well plugging device, is mainly used for the basement bottom plate to carry out the shutoff with the precipitation well in the construction, belongs to construction technical field.
Background
Generally speaking, because the basement construction is deeper, water seepage or water burst often occurs, in order to ensure dry land construction, a precipitation well mode is generally adopted to reduce the underground water level in the construction range, after the construction is completed, the precipitation well needs to be plugged, the precipitation well is mainly arranged around the periphery of the basement bottom plate, when the precipitation well around the larger underground area can not meet the precipitation requirement, some precipitation wells need to be arranged in the range of the underground bottom plate to meet the construction requirement of the basement, the plugging quality requirement of precipitation wells on the basement bottom plate is high, and the leakage phenomenon can not occur, the method is a method for plugging the precipitation well in the range of the underground bottom plate,
in the current city construction, the underground engineering construction is extensive, the underground engineering has to be crossed with the underground water, especially in the stratum with confined water, in order to prevent the instability problems of flowing soil, sudden gushing and the like at the bottom of the foundation pit in the excavation process, a dewatering well is often arranged in the confined water layer to reduce the confined water level so as to ensure the safety of the foundation pit. After excavation of a foundation pit is completed, precipitation needs to be stopped, and a precipitation well of a confined water layer needs to be plugged, because the confined water layer is rich in water content, high in water head pressure and improper in plugging of a large-flow water well, great damage can be caused to the engineering, the existing traditional precipitation well plugging technology adopts concrete poured into a well pipe, sealing and sealing welding are carried out on a precipitation well head, the precipitation well is suitable for plugging under a normal water level, the water yield of the precipitation well is large in an underground water level rich area, well plugging before main body construction easily causes a foundation pit water gushing phenomenon, direct pouring of concrete can hardly realize thorough plugging of the precipitation well, upward water seepage in the pipe can cause sealing and sealing, and a next procedure cannot be carried out.
Meanwhile, in the conventional method for plugging the dewatering well, after dewatering is stopped, a water inrush head is pressed by a multilayer waterproof device or by coarse sand, clay balls, dry cement and the like through back pressure, and the confined water can extrude or penetrate through the concrete of the basement floor before the cement or the concrete is hardened due to large head pressure of the confined water, abundant water quantity and the like, so that air holes or cracks are formed in the concrete of the basement floor, the dewatering well is difficult to be plugged in a water-free environment, and plugging failure is easy to cause; or after underground water in the dewatering well is drained, the gravel concrete is backfilled to the elevation of the foundation cushion layer immediately, and simultaneously, expanded concrete with the strength grade higher than that of the foundation concrete is poured to the top surface of the foundation; or the colon of the dewatering well penetrates through the foundation slab by adopting the casing pipe, the water stop wing plate is welded on the outer side of the casing pipe, and the sealing cover is adopted to weld and seal the inner side of the casing pipe after the construction is finished. A grouting or pump burying mode is adopted for the places with high pressure-bearing water plugging and well pipe water yield, the grouting process is complicated, the manpower and material resources are large, and the cost is high; the pump can not be reused in a pump burying mode, a plurality of wells needing to be plugged are needed, and the cost is high.
Therefore, the key point for solving the technical problems is to develop an improved precipitation well plugging device which has the advantages of strong practicability, higher working reliability and capability of effectively ensuring the quality of the plugging of a precipitation well mouth.
Disclosure of Invention
To a great deal of defect and not enough that exist among the above-mentioned background art, the utility model discloses improve and the innovation to this, aim at provides one kind and can realize that the shutoff effect is reliable, reduces precipitation well's construction cost, practices thrift the time limit for a project, also can solve conventional precipitation well plugging device when improving the efficiency of construction and have the problem of shutoff inefficiency.
The utility model discloses another invention aim at realizing that whole work progress easy operation, multilayer water repellent has really ensured that precipitation well does not leak, can be used for to the big foundation ditch pressure-bearing of water yield or the shutoff of aquifer precipitation well, plays plugging structure, construction convenience moreover, and the plugging material cost is low, low cost, and whole construction period is short, has reduced labour cost.
The utility model discloses still another invention is owing to be provided with water level detection table and pressure detection table on this plugging device, therefore, construction operation personnel can come the shutoff of selective completion dewatering well according to the data that each detection table goes up the reaction, has the warning of high accuracy and reminds the effect, reaches accurate safe shutoff effect, has effectively solved the difficult well sealing that causes because of high water pressure high water level in the dewatering well construction, guarantees that the leakproofness of sealing the closing cap is good.
In order to solve the above problems and achieve the above object, the present invention provides an improved plugging device for dewatering well, which is realized by adopting the following design structure and the following technical scheme:
the improved plugging device for the precipitation well comprises a precipitation steel barrel 2 placed in a precipitation well 1, wherein a plugging device body is arranged in the precipitation steel barrel 2, the plugging device body comprises a sealing cover 3, at least one sleeve 4 penetrating through the sealing cover 3 and a water pump 5 which is arranged at the lower end of the sleeve 4 and matched with the lower end of the sleeve 4 to complete work, wherein the sealing cover 3 is connected with the precipitation steel barrel 2; the sleeve 4 is provided with a gate valve 41, and the gate valve 41 is arranged at the upper part of the sleeve 4 and is positioned above the sealing cover 3; a water suction pipe 51 at one end of the water suction pump 5 extends into the lower part of the precipitation steel barrel 2, a water discharge pipe 52 at the other end of the water suction pump 5 penetrates through the casing pipe 4 and extends out of the precipitation well 1, and a protective shell 53 matched with the water suction pump 5 is sleeved on the outer part of the water suction pump 5.
As the improvement of the utility model, the precipitation steel drum 2 is a perforated water filtering steel drum, the outer wall of the water filtering steel drum is provided with a plurality of water inlet holes 21, and the water inlet holes 21 are communicated with the front side and the back side of the precipitation steel drum 2; the outside of the water filtering steel cylinder is wrapped with a layer of filtering sand-separating net.
As the above-mentioned further improvement of the utility model, the whole discoid component that is steel of closing cap 3 is seted up the through-hole that supplies sleeve pipe 4 to pass on this discoid component respectively, is equipped with stagnant water sealing member 6 on the through-hole, and stagnant water sealing member 6 is gland nut or swivel nut or annular stagnant water piece.
As a further improvement of the above, the water-stop sealing member 6 is disposed at the intersection of the sleeve 4 and the cover 3.
As a further improvement of the above structure of the present invention, a water level gauge 31 is further disposed on the sealing cover 3, the lower end of the water level gauge 31 is a working end, and the working end is located at the lower portion of the sealing cover 3; the upper end of the water level detection gauge 31 is a data parameter display terminal corresponding to the water level.
As the utility model discloses foretell further improvement again, sleeve pipe 4 is the galvanized steel pipe, is equipped with the screw thread at this galvanized sheathed tube first section outer wall, and the screw thread is meshed mutually with stagnant water sealing member 6 and is screwed.
As a still further improvement of the above of the present invention, the total number setting of the suction pump 5 is the same as the total number setting of the casing 4.
As a further improvement of the above-mentioned present invention, the outside of the pumping pipe 51 is wrapped with a filtering shield 511 matching with the pumping pipe.
As the utility model discloses foretell still further improvement more again, all from interior to exterior according to the preface spraying have injection moulding layer and antirust coat on precipitation steel drum 2, closing cap 3, sleeve pipe 4, gate valve 41 and suction pump 5's surface.
As a still further improvement of the utility model, a high molecular wear-resistant material is injected on the injection layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint.
The working principle is as follows: an improved precipitation well plugging device with the design structure needs to be installed for standby before being used.
Before the installation, precipitation well's setting: in the project, three dewatering wells are arranged on each side outside a basement bottom plate, namely twelve dewatering wells, five dewatering wells are arranged in the bottom plate by utilizing a fire-fighting water collecting pit, the diameter of each dewatering well is 1.5 meters, the depth of each dewatering well is 4 meters lower than the bottom of the raft plate, and the dewatering wells 1 are immediately installed for later use after being arranged;
during the installation, constructor puts into precipitation steel drum 2 in advance in 1 downthehole precipitation well, and 2 periphery of precipitation steel drum are maintained with wire net or filtration sand screen parcel, places firm back, and the constructor will immediately the utility model relates to a plugging device body of structure is put into to precipitation steel drum 2 in, and the plugging device body is put into the back shaft bottom and is filled 300 mm's rubble and be the water filtering layer, and the outer for the crack part rubble fill in order to guarantee the water permeability. After the construction of the basement is finished and before earthwork of a foundation pit at the periphery of the basement is backfilled, the peripheral dewatering wells are connected to +/-0.00, and then earthwork backfilling is carried out, so that continuous dewatering is guaranteed during the construction of the main structure.
Because underground water is difficult to be blocked by adopting a conventional blocking method, a method of blocking water by using crushed stones and a sealing cover 3 and simultaneously pumping water is adopted on site, and the specific method comprises the following steps:
according to the size of underground water, 1-4 high-power water suction pumps 5 with 37.5KW are placed in a well, the underground water level in the well is reduced, broken stones 7 are filled in the well, a sealing cover 3 with a galvanized sleeve 4 is welded or screwed at a position about one meter away from the well mouth, screw teeth or threads are left on the outer wall of the upper half section of the sleeve 4, the water suction pumps 5 stop pumping water when the sealing cover 3 is welded to block the underground water, a gate valve is arranged on the sleeve 4 to close the gate valve to enable the underground water to rise, whether water seepage and water seepage aggravate exist on the surface of a raft are observed, if the water seepage and water seepage aggravate exist, the gate valve 41 arranged at the top of the sleeve 4 is immediately opened to reduce the water pressure at the bottom of the raft, then grouting and blocking are immediately performed on the water seepage position, the water seepage position does not seep water when the grouting position reaches a required age, the gate valve 41 arranged at the top of the sleeve 4 is closed, and whether the, repeating the steps until no water seeps out from the surface of the raft plate, closing the gate valve 41, pouring dewatering well plugging concrete 8, and completing the plugging of the dewatering well 1. The whole construction of major structure is accomplished, and the structure dead weight can resist water buoyancy with anti-floating anchor rod combined action after, carries out the shutoff to the precipitation well under the basement bottom plate.
Firstly, a constructor puts 1-4 high-power water suction pumps 5 with 37.5KW into a well according to the size of underground water, reduces the underground water level in the well, fills broken stones into the well, then welds or movably screws a sealing cover 3 with a galvanized sleeve 4 at a position about one meter away from the well head, wherein the thickness of the sealing cover 3 is 10mm, the diameter of the sleeve 4 is 75mm, screw threads are left on the sleeve 4, a drain pipe 52 on the water suction pump 5 penetrates out of the well from the sleeve 4 by using the sleeve 4 on the sealing cover 3, the water suction pump 5 does not take out and fills broken stones into the well, the water suction pump 5 continues to work to keep the underground water level, and the underground water can be pumped and drained while welding or installing the sealing cover 3; and then, welding or installing the sealing cover 3 and the precipitation steel barrel 2 in the precipitation well, wherein the welding or installing position is one meter away from the precipitation well mouth, finally, the sealing cover 3 is welded to cut off the drain pipe 52 on the water suction pump 5 to stop pumping water under the condition that the underground water can be blocked, the upper end of the sleeve 4 is provided with the gate valve 41, the gate valve 41 is closed, and the concrete of one meter above the well mouth is poured to complete the blocking of the precipitation well.
In the whole implementation operation process, the constructor can monitor or observe the water level in the dewatering well 1 in real time through the water level detection meters 31 respectively arranged on the sealing covers 3, so as to judge whether water pumping is needed or plugging is directly performed.
Compared with the prior art, the utility model produced beneficial effect is:
1. the utility model has simple design structure and reasonable design, is convenient to realize the plugging of the precipitation well in the range of the basement bottom plate, and can realize the position adjustment of the water pump according to the actual construction requirement because the water pump is provided with the water pump height adjusting frame, thereby realizing the reliable plugging effect;
2. the utility model discloses the shutoff quality of precipitation well head is provided for concrete placement etc. to the assurance that can be fine, and weld the waterstop on the sleeve pipe, the infiltration of concrete has effectively been prevented, adopts the higher grade of expanding concrete placement than the original structure, has improved the wholeness and the intensity of structure, has greatly improved waterproof effect, simultaneously convenient in construction, economic effect and quality etc. aspect effect are obvious, have better popularization and application value, simple structure, practical;
3. by adopting the plugging device for the precipitation well, after plugging materials are filled in the precipitation well to cause the water level to rise, water is discharged out of the precipitation well through the drain pipe so as to reduce the pressure in the precipitation well, so that the plugging materials can be quickly filled in the precipitation well and tightly filled, and then a plugging plate is welded for plugging;
4. the utility model discloses a precipitation well plugging device's shutoff effect is reliable, has reduced precipitation well's construction cost, has practiced thrift the time limit for a project, has improved the efficiency of construction, simultaneously the utility model discloses also solved conventional precipitation well plugging device and had the problem that the shutoff efficiency is low;
5. the plugging device for the dewatering well has the advantages of simple structure, small volume, low material cost, easy obtaining, simple operation in the whole construction process, no leakage of the dewatering well, shortened construction period, water pumping in the water collecting well, adoption of multilayer waterproof treatment to solve the problem that the high-water-level high-water-pressure dewatering well is difficult to weld the sealing cover, avoidance of continuous water seepage after plugging of the dewatering well, no leakage of the dewatering well, convenience in plugging and construction for bearing a foundation pit with large water yield or plugging the dewatering well in a aquifer, low manufacturing cost of plugging materials, low cost, short whole construction period and labor cost reduction;
6. the utility model adopts a method of pumping water and welding the sealing cover at the same time, effectively solves the well sealing difficulty caused by high water pressure and high water level in the construction of dewatering wells, and ensures that the sealing performance of the sealing cover is good;
7. the water level detection meter is arranged on the plugging device, so that a construction operator can selectively complete plugging of the dewatering well according to data reflected by each detection meter, an accurate and safe plugging effect is achieved, well plugging difficulty caused by high water level in dewatering well construction is effectively solved, and good sealing performance of the sealing cover is further ensured;
8. the utility model discloses the constitution part that well adopted is by the ordinary material preparation, and its low in cost, moreover, the water yield size in the precipitation well, well point department's tap height do not have the influence to the shutoff operation for the invention has extremely strong universal applicability, possesses very high practicality, for its wide popularization and application, has established solid basis.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 shows a first embodiment of the plugging device according to the invention;
fig. 2 shows another design of the plugging device according to the present invention;
wherein, the reference numbers in the figures: 1-dewatering well;
2-precipitation steel barrel, 21-water inlet hole;
3-sealing cover, 31-water level detecting meter;
4-sleeve, 41-gate valve;
5-a water pump, 51-a water pumping pipe, 511-a filtering shield, 52-a water discharging pipe, 53-a protective shell;
6-water stop sealing element;
7, crushing stones;
8-plugging concrete for dewatering well.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The improved plugging device for the precipitation well comprises a precipitation steel barrel 2 placed in a precipitation well 1, wherein a plugging device body is arranged in the precipitation steel barrel 2, the plugging device body comprises a sealing cover 3, at least one sleeve 4 penetrating through the sealing cover 3 and a water pump 5 which is arranged at the lower end of the sleeve 4 and matched with the sleeve 4 to complete work, and the sealing cover 3 is connected with the precipitation steel barrel 2; the sleeve 4 is provided with a gate valve 41, and the gate valve 41 is arranged at the upper part of the sleeve 4 and is positioned above the sealing cover 3; a water suction pipe 51 at one end of the water suction pump 5 extends into the lower part of the precipitation steel barrel 2, a water discharge pipe 52 at the other end of the water suction pump 5 penetrates through the casing pipe 4 and extends out of the precipitation well 1, and a protective shell 53 matched with the water suction pump 5 is sleeved on the outer part of the water suction pump 5.
Further, the precipitation steel barrel 2 is a perforated water filtering steel barrel, the outer wall of the water filtering steel barrel is provided with a plurality of water inlet holes 21, and the water inlet holes 21 penetrate through the front side and the back side of the precipitation steel barrel 2; the outside of the water filtering steel cylinder is wrapped with a layer of filtering sand-separating net.
Further, the whole of the sealing cover 3 is a steel disc-shaped member, through holes for the sleeve 4 to pass through are respectively formed in the disc-shaped member, and a water-stopping sealing member 6 is arranged on the through holes, wherein the water-stopping sealing member 6 is a sealing nut or a threaded sleeve or an annular water-stopping sheet.
Specifically, the water-stop seal 6 is provided at the intersection joint of the sleeve 4 and the cover 3.
Further, a water level detection meter 31 is further arranged on the sealing cover 3, the lower end of the water level detection meter 31 is a working end, and the working end is positioned at the lower part of the sealing cover 3; the upper end of the water level detection gauge 31 is a data parameter display terminal corresponding to the water level.
Further, the sleeve 4 is a galvanized steel pipe, the outer wall of the upper half section of the galvanized sleeve is provided with threads, and the threads are meshed with the water stop sealing piece 6 and screwed tightly.
Further, the total number of the suction pumps 5 is set to be the same as the total number of the casings 4.
Furthermore, the outside of the pumping tube 51 is covered with a filter shield 511 matching with the pumping tube.
Further, an injection molding layer and an anti-rust layer are sequentially sprayed on the outer surfaces of the precipitation steel barrel 2, the sealing cover 3, the sleeve 4, the gate valve 41 and the water pump 5 from inside to outside.
Specifically, a high-molecular wear-resistant material is injected on the injection molding layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint.
To sum up, the utility model discloses more specific embodiment is:
an improved precipitation well plugging device with the design structure needs to be installed for standby before being used.
Before the installation, precipitation well's setting: in the project, three dewatering wells are arranged on each side outside a basement bottom plate, namely twelve dewatering wells, five dewatering wells are arranged in the bottom plate by utilizing a fire-fighting water collecting pit, the diameter of each dewatering well is 1.5 meters, the depth of each dewatering well is 4 meters lower than the bottom of the raft plate, and the dewatering wells 1 are immediately installed for later use after being arranged;
during the installation, constructor puts into precipitation steel drum 2 in advance in 1 downthehole precipitation well, and 2 periphery of precipitation steel drum are maintained with wire net or filtration sand screen parcel, places firm back, and the constructor will immediately the utility model relates to a plugging device body of structure is put into to precipitation steel drum 2 in, and the plugging device body is put into the back shaft bottom and is filled 300 mm's rubble and be the water filtering layer, and the outer for the crack part rubble fill in order to guarantee the water permeability. After the construction of the basement is finished and before earthwork of a foundation pit at the periphery of the basement is backfilled, the peripheral dewatering wells are connected to +/-0.00, and then earthwork backfilling is carried out, so that continuous dewatering is guaranteed during the construction of the main structure.
As the underground water is difficult to be blocked by adopting the conventional blocking method, the crushed stone and the sealing cover 3 are adopted to block the underground water on site
The method for pumping water while plugging water comprises the following specific steps:
according to the size of underground water, 1-4 high-power water suction pumps 5 with 37.5KW are placed in a well, the underground water level in the well is reduced, broken stones 7 are filled in the well, a sealing cover 3 with a galvanized sleeve 4 is welded or screwed at a position about one meter away from the well mouth, screw teeth or threads are left on the outer wall of the upper half section of the sleeve 4, the water suction pumps 5 stop pumping water when the sealing cover 3 is welded to block the underground water, a gate valve is arranged on the sleeve 4 to close the gate valve to enable the underground water to rise, whether water seepage and water seepage aggravate exist on the surface of a raft are observed, if the water seepage and water seepage aggravate exist, the gate valve 41 arranged at the top of the sleeve 4 is immediately opened to reduce the water pressure at the bottom of the raft, then grouting and blocking are immediately performed on the water seepage position, the water seepage position does not seep water when the grouting position reaches a required age, the gate valve 41 arranged at the top of the sleeve 4 is closed, and whether the, repeating the steps until no water seeps out from the surface of the raft plate, closing the gate valve 41, pouring dewatering well plugging concrete 8, and completing the plugging of the dewatering well 1. The whole construction of major structure is accomplished, and the structure dead weight can resist water buoyancy with anti-floating anchor rod combined action after, carries out the shutoff to the precipitation well under the basement bottom plate.
Firstly, a constructor puts 1-4 high-power water suction pumps 5 with 37.5KW into a well according to the size of underground water, reduces the underground water level in the well, fills broken stones into the well, then welds or movably screws a sealing cover 3 with a galvanized sleeve 4 at a position about one meter away from the well head, wherein the thickness of the sealing cover 3 is 10mm, the diameter of the sleeve 4 is 75mm, screw threads are left on the sleeve 4, a drain pipe 52 on the water suction pump 5 penetrates out of the well from the sleeve 4 by using the sleeve 4 on the sealing cover 3, the water suction pump 5 does not take out and fills broken stones into the well, the water suction pump 5 continues to work to keep the underground water level, and the underground water can be pumped and drained while welding or installing the sealing cover 3; and then, welding or installing the sealing cover 3 and the precipitation steel barrel 2 in the precipitation well, wherein the welding or installing position is one meter away from the precipitation well mouth, finally, the sealing cover 3 is welded to cut off the drain pipe 52 on the water suction pump 5 to stop pumping water under the condition that the underground water can be blocked, the upper end of the sleeve 4 is provided with the gate valve 41, the gate valve 41 is closed, and the concrete of one meter above the well mouth is poured to complete the blocking of the precipitation well.
In the whole implementation operation process, the constructor can monitor or observe the water level in the dewatering well 1 in real time through the water level detection meters 31 respectively arranged on the sealing covers 3, so as to judge whether water pumping is needed or plugging is directly performed.
In the utility model, the drain pipe is a hose; the dewatering well plugging concrete 8 is C50P12 expansive plain concrete.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a modified precipitation well plugging device, includes places precipitation steel drum (2) in precipitation well (1), its characterized in that: a plugging device body is arranged in the precipitation steel barrel (2), the plugging device body comprises a sealing cover (3), at least one sleeve (4) penetrating through the sealing cover (3) and a water suction pump (5) which is arranged at the lower end of the sleeve (4) and matched with the sleeve to complete work, wherein the sealing cover (3) is connected with the precipitation steel barrel (2); a gate valve (41) is arranged on the sleeve (4), and the gate valve (41) is arranged at the upper part of the sleeve (4) and is positioned above the sealing cover (3); a water suction pipe (51) at one end of the water suction pump (5) extends into the lower part of the precipitation steel barrel (2), a water discharge pipe (52) at the other end of the water suction pump (5) penetrates through the casing pipe (4) and extends out of the precipitation well (1), and a protective shell (53) matched with the water suction pump (5) is sleeved outside the water suction pump (5).
2. The improved dewatering well plugging device according to claim 1, wherein: the water reducing steel barrel (2) is a perforated water filtering steel barrel, a plurality of water inlet holes (21) are formed in the outer wall of the water filtering steel barrel, and the water inlet holes (21) penetrate through the front side and the back side of the water reducing steel barrel (2); the outside of the water filtering steel cylinder is wrapped with a layer of filtering sand-separating net.
3. The improved dewatering well plugging device according to claim 1, wherein: the whole sealing cover (3) is a steel disc-shaped member, through holes for the sleeve (4) to pass through are formed in the disc-shaped member respectively, a water stopping sealing piece (6) is arranged on the through holes, and the water stopping sealing piece (6) is a sealing nut or a threaded sleeve or an annular water stopping sheet.
4. The improved dewatering well plugging device according to claim 3, wherein: the water-stopping sealing piece (6) is arranged at the intersection joint of the sleeve (4) and the sealing cover (3).
5. The improved dewatering well plugging device according to claim 1, wherein: a water level detection meter (31) is also arranged on the sealing cover (3), the lower end of the water level detection meter (31) is a working end, and the working end is positioned at the lower part of the sealing cover (3); the upper end of the water level detection meter (31) is a data parameter display terminal corresponding to the water level.
6. The improved dewatering well plugging device according to claim 1, wherein: the sleeve (4) is a galvanized steel pipe, the outer wall of the upper half section of the galvanized sleeve is provided with threads, and the threads are meshed with the water stop sealing piece (6) and screwed tightly.
7. The improved dewatering well plugging device according to claim 1, wherein: the total quantity of the water suction pumps (5) is set to be the same as the total quantity of the casing pipes (4).
8. The improved dewatering well plugging device according to claim 1, wherein: the outside of the water pumping pipe (51) is wrapped with a filtering shield (511) matched with the water pumping pipe.
9. The improved dewatering well plugging device according to claim 1, wherein: an injection molding layer and an anti-rust layer are sequentially sprayed on the outer surfaces of the precipitation steel barrel (2), the sealing cover (3), the sleeve (4), the gate valve (41) and the water pump (5) from inside to outside.
10. The improved dewatering well plugging device according to claim 9, wherein: the injection layer is injected with a high polymer wear-resistant material; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157767.XU CN210684746U (en) | 2019-07-22 | 2019-07-22 | Modified precipitation well plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157767.XU CN210684746U (en) | 2019-07-22 | 2019-07-22 | Modified precipitation well plugging device |
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| Publication Number | Publication Date |
|---|---|
| CN210684746U true CN210684746U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921157767.XU Expired - Fee Related CN210684746U (en) | 2019-07-22 | 2019-07-22 | Modified precipitation well plugging device |
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| Country | Link |
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| CN (1) | CN210684746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789801A (en) * | 2021-10-25 | 2021-12-14 | 中铁广州工程局集团有限公司 | Water-rich foundation pit dewatering well plugging device and method |
-
2019
- 2019-07-22 CN CN201921157767.XU patent/CN210684746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789801A (en) * | 2021-10-25 | 2021-12-14 | 中铁广州工程局集团有限公司 | Water-rich foundation pit dewatering well plugging device and method |
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