CN220468990U - Emptying maintenance structure of riverbed type water taking self-flowing pipe - Google Patents
Emptying maintenance structure of riverbed type water taking self-flowing pipe Download PDFInfo
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- CN220468990U CN220468990U CN202321611693.9U CN202321611693U CN220468990U CN 220468990 U CN220468990 U CN 220468990U CN 202321611693 U CN202321611693 U CN 202321611693U CN 220468990 U CN220468990 U CN 220468990U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 238000012423 maintenance Methods 0.000 title claims description 36
- 238000007689 inspection Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a drainage overhaul structure of a riverbed type water intake self-flow pipe, which belongs to the technical field of water conservancy and hydropower engineering and comprises a drainage overhaul structure, when the drainage overhaul is carried out, a butterfly valve in a working well is closed at first, then a flange blank cap is fixedly arranged right in front of a water conduit, and finally a detachable vent pipe is butted and extended to above the water surface section by section, at the moment, a water drain valve arranged in the working well is slowly opened, water in the water conduit can be pumped and discharged into a river channel, the water discharge amount is ensured to be matched with the air inflow of the detachable vent pipe in a water intake head, so that the water conduit is ensured not to be damaged by negative pressure, and when the water in the water conduit is discharged completely, workers can enter the water conduit through an overhaul manhole to carry out overhaul inspection.
Description
Technical Field
The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to an emptying maintenance structure of a riverbed type water taking self-flow pipe.
Background
The emptying maintenance structure of the riverbed water intake self-flow pipe refers to that in the operation process of the riverbed water intake self-flow pipe, when a certain amount of impurities or silt is accumulated in a pipeline, the emptying maintenance is needed. The structure has the significance that impurities or silt in the pipeline are discharged through the vent in the overhaul process, so that the normal operation of the pipeline is ensured.
The river bed type water intake structure is suitable for river sections with stable river bed, gentle river bank, long main flow in the dead water period, shallow water depth at the bank side and is commonly used for water intake structures with large water intake. Therefore, the water conduit can be ensured to meet the minimum water taking guarantee rate requirement, the water taking top elevation of the water taking head is submerged under water for a long time, and the river channel has navigation, flood discharge and other requirements, and the water taking head overhaul gate and other structures are not allowed to be arranged above the river surface, so that the conventional riverbed water taking head cannot be provided with the overhaul gate, the underwater buried pipe section connected with the rear of the water taking head cannot be subjected to emptying overhaul, and only underwater diver cleaning or underwater robot cleaning can be adopted. Because the underwater operation environment is bad, the danger coefficient is high, and the long-time operation can not be performed, the overhaul effect is bad and the maintenance cost is high. Therefore, we propose an emptying maintenance structure of a riverbed water intake self-flow pipe to solve the above-mentioned problems.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide an emptying maintenance structure of a riverbed water taking self-flow pipe, which can solve the problems of bad underwater operation environment, high danger coefficient, incapability of long-time operation, poor maintenance effect and high maintenance cost.
In order to solve the technical problems, the utility model provides an emptying maintenance structure of a riverbed type water taking self-flow pipe, which adopts the following technical scheme: the device comprises an emptying maintenance structure, wherein the emptying maintenance structure consists of a working well, a water conduit and a water taking head;
the bottom of one end of the water conduit is provided with a water conduit valve, one side of the water conduit, which is close to the water conduit valve, is provided with an inspection manhole, the top of the water conduit is also provided with an air valve, and the water conduit valve, the inspection manhole and the air valve are intensively distributed in the working well;
the water diversion pipe comprises a self-flow pipe body, a half joint is arranged at one end, far away from the water discharge pipe valve, of the self-flow pipe body, and a detachable vent pipe is connected to one end, close to the half joint, of the self-flow pipe body.
By adopting the technical scheme, in the emptying overhaul structure of the riverbed type water intake self-flow pipe, when the emptying overhaul is carried out, firstly, the butterfly valve in the working well is closed, then the flange blank cap is transported to the upper part of the water intake head through the transport ship, the trash rack arranged at the top of the water intake head is opened, the flange blank cap is lowered to the right front of the water intake pipe by a diver in a guiding and hoisting mode, the flange blank cap is limited on the surface of the connecting flange additionally arranged at one end of the self-flow pipe body by utilizing the guide grooves respectively arranged on the periphery of the outer sides of the circular cover plate and the metal flange, the flange blank cap is fixedly arranged right front of the water intake pipe by utilizing the steel support, the steel support and the fixing bolts, and finally, the detachable vent pipe is butted and extended to the upper part of the water surface one by one, at the moment, the drain valve arranged in the working well is slowly opened, the water in the water intake pipe is pumped into the river channel, the water intake pipe is guaranteed to be matched, and the negative pressure damage of the water intake pipe can be prevented; when the water in the water conduit is discharged, opening an inspection manhole of the cloth at the bottom of the working well, and enabling a worker to enter the water conduit for inspection;
according to the structure, the structural design of the emptying maintenance structure of the riverbed water taking self-flow pipe is novel, so that the underwater part pipeline of the self-flow pipe has emptying maintenance conditions, the maintenance operation and the maintenance quality are facilitated, and the normal operation safety of the pipeline is ensured.
Optionally, a connecting flange is installed at one end of the self-flowing pipe body, and a flange blank cap is arranged on the outer side of the connecting flange.
Through adopting above-mentioned technical scheme, this scheme is through the flange blank cap that installs additional in the flange outside for the shutoff processing of leading water pipe water outlet end.
Optionally, the connecting flange comprises a metal flange plate, and a plurality of groups of steel brackets are arranged on the periphery of the outer part of the metal flange plate.
Through adopting above-mentioned technical scheme, this scheme is through the steel support of installing additional all around in metal flange dish outside for spacing butt joint between flange and the flange blank cap.
Optionally, the flange blank cap comprises a round cover plate, a plurality of groups of steel supports are arranged on the outer sides of the periphery of the round cover plate, and the steel supports are matched with the steel support structure.
Through adopting above-mentioned technical scheme, this scheme is propped through a plurality of groups steel of installing additional in circular apron outside all around, and steel props and steel holds in the palm structure assorted, can be with the spacing butt joint of circular apron in the place ahead of metal flange dish.
Optionally, two sets of lifting lugs for lifting the round cover plate are arranged at the top of the round cover plate.
Through adopting above-mentioned technical scheme, this scheme is through two sets of lugs at circular apron top additional installation for circular apron's hoist and mount installation.
Optionally, a plurality of groups of flange holes distributed in a circumferential array are respectively formed around the outer sides of the round cover plate and the metal flange plate, and bolts can be arranged for fixing through holes.
Through adopting above-mentioned technical scheme, this scheme is through a plurality of groups of flange holes of seting up respectively all around in circular apron and metal flange dish outside for bolt fastening between flange and the flange blank cap.
Optionally, the detachable vent pipe only keeps the length of two meters to be welded on the self-flowing pipe body, other sections can be temporarily assembled and disassembled, and the assembled length is higher than the water surface height during maintenance.
Through adopting above-mentioned technical scheme, the water surface height when can dismantle breather pipe equipment length height and maintenance in this scheme to guarantee that the water conduit is inside to communicate with the atmosphere, avoid the inside condition of appearing the vacuum negative pressure of water conduit.
Optionally, the detachable breather pipe, the connecting flange and the flange blank cap are intensively distributed in the water intake head.
Through adopting above-mentioned technical scheme, can dismantle breather pipe, flange and flange blank cap in this scheme equally distribute in the inside of water intaking head to the shutoff operation to the water pipe water outlet end.
In summary, the present utility model includes at least one of the following beneficial effects:
1. when the emptying maintenance structure of the riverbed type water taking self-flow pipe is used for emptying maintenance, firstly, a butterfly valve in a working well is closed, then, a flange blank cap is transported to the upper part of a water taking head through a transport ship, a trash rack arranged at the top of the water taking head is opened, a diver lowers the flange blank cap to the position right in front of a water conduit in a guiding and hoisting mode, the flange blank cap is fixedly arranged on a connecting flange right in front of the water conduit by utilizing a steel support, a steel support and a fixing bolt, finally, one section of a detachable vent pipe is butted and extends to the position above the water surface, at the moment, a water drain valve arranged in the working well is slowly opened, water in the water conduit can be pumped and discharged into a river channel, the water discharge amount is guaranteed to be matched with the air inflow of the detachable vent pipe in the water taking head, and therefore, the water conduit can be ensured not to be damaged by negative pressure; when the water in the water conduit is discharged, the inspection manhole of the cloth at the bottom of the working well is opened, and workers can enter the water conduit for inspection.
2. According to the structure, the structural design of the emptying maintenance structure of the riverbed water taking self-flow pipe is novel, so that the underwater part pipeline of the self-flow pipe has emptying maintenance conditions, the maintenance operation and the maintenance quality are facilitated, and the normal operation safety of the pipeline is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a well construction according to the present utility model;
FIG. 3 is a schematic view of the water intake head structure of the present utility model;
FIG. 4 is a schematic view of the self-flow pipe, connecting flange, flange blank cap connection structure of the present utility model;
FIG. 5 is a schematic view of a flange structure according to the present utility model;
FIG. 6 is a schematic view of a flange closure according to the present utility model.
Reference numerals illustrate: 100. an emptying maintenance structure; 101. a working well; 101a discharge tube valve; 101b, repairing a manhole; 101c, an air valve; 102. a water conduit; 102a, self-flowing pipe body; 102a-1, a connection flange; 102a-1a, a metal flange; 102a-1b, steel brackets; 102a-2, flange blank cap; 102a-2a, a circular cover plate; 102a-2b, steel struts; 102a-2c, lifting lugs; 102a-2d, flange holes; 102b, a half joint; 102c, a detachable vent pipe; 103. a water intake head.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-6.
Referring to fig. 1-4, the utility model discloses an emptying maintenance structure of a riverbed type water intake self-flow pipe,
the device comprises an emptying overhaul structure 100, wherein the emptying overhaul structure 100 consists of a working well 101, a water conduit 102 and a water taking head 103;
the bottom of one end of the water conduit 102 is provided with a water conduit valve 101a, one side of the water conduit 102 close to the water conduit valve 101a is provided with an inspection manhole 101b, the top of the water conduit 102 is also provided with an air valve 101c, and the water conduit valve 101a, the inspection manhole 101b and the air valve 101c are intensively distributed in the working well 101;
the penstock 102 includes a self-flowing pipe body 102a, a half joint 102b is installed at the end of the self-flowing pipe body 102a far from the water discharge pipe valve 102a, a detachable breather pipe 102c is connected at the end of the self-flowing pipe body 102a near the half joint 102b,
one end of the self-flow pipe body 102a is provided with a connecting flange 102a-1, the outer side of the connecting flange 102a-1 is provided with a flange blank cap 102a-2, and the sealing treatment of the water outlet end of the water conduit 102 is realized through the flange blank cap 102a-2 additionally arranged on the outer side of the connecting flange 102 a-1.
Referring to fig. 4-6, in order to solve the problems that in this embodiment, the underwater operation environment is bad, the risk coefficient is high, and the operation cannot be performed for a long time, so that the overhaul effect is poor and the maintenance cost is high, the emptying overhaul structure of the riverbed water intake self-flow pipe further includes:
the connecting flange 102a-1 comprises a metal flange plate 102a-1a, a plurality of groups of steel supports 102a-1b are arranged on the periphery of the outer part of the metal flange plate 102a-1a, and the steel supports 102a-1b are additionally arranged on the periphery of the outer part of the metal flange plate 102a-1a and are used for limiting butt joint between the connecting flange 102a-1 and the flange blank cap 102 a-2.
The flange blank cap 102a-2 comprises a circular cover plate 102a-2a, a plurality of groups of steel supports 102a-2b are arranged on the outer sides of the periphery of the circular cover plate 102a-2a, the steel supports 102a-2b are matched with the steel supports 102a-1b in structure, and the circular cover plate 102a-2a can be limited and butted right in front of the metal flange plate 102a-1a through the plurality of groups of steel supports 102a-2b additionally arranged on the outer sides of the periphery of the circular cover plate 102a-2a and the steel supports 102a-1b in structure matching.
Two sets of lifting lugs 102a-2c for lifting the circular cover plate 102a-2a are arranged on the top of the circular cover plate 102a-2a, and the lifting lugs 102a-2c are additionally arranged on the top of the circular cover plate 102a-2a for lifting and installing the circular cover plate 102a-2 a.
Referring to fig. 3-6, in order to solve the problems that the underwater operation environment is bad, the risk coefficient is high, and long-time operation is impossible, so that the maintenance effect is bad and the maintenance cost is high, the emptying maintenance structure of the riverbed water intake self-flow pipe further comprises:
the outer peripheries of the round cover plate 102a-2a and the metal flange plate 102a-1a are respectively provided with a plurality of groups of flange holes 102a-2d distributed in a circumferential array, and the outer peripheries of the round cover plate 102a-2a and the metal flange plate 102a-1a are respectively provided with a plurality of groups of flange holes 102a-2d for connecting the flange 102a-1 and the flange blank cap 102a-2 through bolts.
The length welding that can dismantle breather pipe 102c only keeps two meters is on self-flow body 102a, and other segmentation can temporarily assemble and dismantle, and the assembly length should be higher than the surface of water height when overhauing, and the surface of water height when the dismantlement breather pipe 102c equipment length in this scheme is high and overhauing to guarantee the inside and the atmosphere intercommunication of water conduit 102, avoid the inside condition that appears vacuum negative pressure of water conduit 102.
The detachable vent pipe 102c, the connecting flange 102a-1 and the flange blank cap 102a-2 are intensively distributed in the water intake head 103, and the detachable vent pipe 102c, the connecting flange 102a-1 and the flange blank cap 102a-2 in the scheme are distributed in the water intake head 103 so as to facilitate the plugging operation of the water outlet end of the water conduit 102.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a riverbed formula water intaking is from empty maintenance structure of flow tube, includes empty maintenance structure (100), its characterized in that: the emptying maintenance structure (100) consists of a working well (101), a water conduit (102) and a water taking head (103);
a water pipe valve (101 a) is arranged at the bottom of one end of the water pipe (102), an inspection manhole (101 b) is arranged at one side, close to the water pipe valve (101 a), of the water pipe (102), an air valve (101 c) is further arranged at the top of the water pipe (102), and the water pipe valve (101 a), the inspection manhole (101 b) and the air valve (101 c) are intensively distributed in the working well (101);
the water diversion pipe (102) comprises a self-flow pipe body (102 a), a half joint (102 b) is arranged at one end, far away from the water discharge pipe valve (101 a), of the self-flow pipe body (102 a), and a detachable vent pipe (102 c) is connected to one end, close to the half joint (102 b), of the self-flow pipe body (102 a).
2. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 1, wherein: one end of the self-flowing pipe body (102 a) is provided with a connecting flange (102 a-1), and a flange blank cap (102 a-2) is arranged on the outer side of the connecting flange (102 a-1).
3. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 2, wherein: the connecting flange (102 a-1) comprises a metal flange plate (102 a-1 a), and a plurality of groups of steel brackets (102 a-1 b) are arranged on the periphery of the outer part of the metal flange plate (102 a-1 a).
4. A riverbed water intake self-flow pipe emptying maintenance structure according to claim 3, characterized in that: the flange blank cap (102 a-2) comprises a round cover plate (102 a-2 a), a plurality of groups of steel supports (102 a-2 b) are arranged on the outer sides of the periphery of the round cover plate (102 a-2 a), and the steel supports (102 a-2 b) are matched with the steel supports (102 a-1 b) in structure.
5. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 4, wherein: two groups of lifting lugs (102 a-2 c) for lifting the round cover plate (102 a-2 a) are arranged on the top of the round cover plate (102 a-2 a).
6. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 5, wherein: the periphery of the outer sides of the round cover plate (102 a-2 a) and the metal flange plate (102 a-1 a) are respectively provided with a plurality of groups of flange holes (102 a-2 d) distributed in a circumferential array.
7. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 6, wherein: the detachable vent pipe (102 c) is welded on the self-flow pipe body (102 a) only by keeping the length of two meters, and other sections can be temporarily assembled and disassembled, and the assembled length is higher than the water surface height during maintenance.
8. The emptying and overhauling structure of a riverbed water intake self-flowing pipe as claimed in claim 7, wherein: the detachable vent pipe (102 c), the connecting flange (102 a-1) and the flange blank cap (102 a-2) are intensively distributed in the water taking head (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321611693.9U CN220468990U (en) | 2023-06-25 | 2023-06-25 | Emptying maintenance structure of riverbed type water taking self-flowing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321611693.9U CN220468990U (en) | 2023-06-25 | 2023-06-25 | Emptying maintenance structure of riverbed type water taking self-flowing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468990U true CN220468990U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321611693.9U Active CN220468990U (en) | 2023-06-25 | 2023-06-25 | Emptying maintenance structure of riverbed type water taking self-flowing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468990U (en) |
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2023
- 2023-06-25 CN CN202321611693.9U patent/CN220468990U/en active Active
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