CN211114007U - Energy dissipation structure applied to large ultra-deep drop well - Google Patents
Energy dissipation structure applied to large ultra-deep drop well Download PDFInfo
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- CN211114007U CN211114007U CN201921701602.4U CN201921701602U CN211114007U CN 211114007 U CN211114007 U CN 211114007U CN 201921701602 U CN201921701602 U CN 201921701602U CN 211114007 U CN211114007 U CN 211114007U
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Abstract
The utility model discloses an energy dissipation structure for large-scale extra-deep drop well, including the drop well body, the top well head of drop well body is provided with overhauls the vent, it is provided with the drop canal to overhaul the vent lower part, the drop canal forms spiral structure downwards along the wall of a well spiral of drop well body, be provided with the division board on the drop canal, the division board is cut apart into sewage drop canal and rainwater drop canal along the screw direction of drop canal with the drop canal, sewage drop canal is used for carrying sewage, rainwater drop canal is used for carrying the rainwater. Through set up the drop canal that has helical structure in the drop well, make rain sewage arrive the bottom of drop well with the mode that the spiral flows, at the spiral flow in-process, not only can carry out desilting and heavy mud preliminary treatment to rain sewage, it can also effectively carry out the energy dissipation to rain sewage and fall the noise, has solved that traditional energy dissipation mode is not suitable for super large ultra-deep drop well and the technical problem of function singleness.
Description
Technical Field
The utility model relates to a municipal administration sewage drainage technical field, in particular to be applied to energy dissipation structure and rain sewage energy dissipation method of large-scale extra-deep drop well.
Background
At present, the rainwater and sewage energy dissipation modes aiming at the drop wells are designed and applied to the conventional rainwater and sewage drop wells, the water drop energy dissipation effect is obvious in the mode, the noise is large, the erosion is large, the inner diameter of the well of the conventional rainwater and sewage drop well is not more than 2m, the depth is not more than 6m, the diameter reaches 3m, and the depth exceeds 10 m.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the problems, the energy dissipation structure applied to the large-scale ultra-deep drop well and the rain sewage energy dissipation method are provided, the drop canal with the spiral structure is arranged in the drop well, rain sewage reaches the bottom of the drop well in a spiral flowing mode, in the spiral flowing process, the rain sewage can be subjected to sand deposition and mud deposition pretreatment, no coarse garbage enters a working well, energy dissipation and noise reduction can be effectively performed on the rain sewage, the single energy dissipation function of the traditional energy dissipation mode is overcome, in addition, the drop well is designed into a step-type structure, so that the maintenance stair is favorably constructed, the maintenance personnel can conveniently go into the well for maintenance, and convenience and safety guarantee are provided for the maintenance personnel.
The utility model adopts the technical scheme as follows: the utility model provides an energy dissipation structure for large-scale super dark drop well, includes the drop well body, its characterized in that, the top well head of drop well body is provided with overhauls the vent, it is provided with the drop canal to overhaul the vent lower part, the drop canal forms spiral structure along the wall of a well spiral of drop well body downwards, the wall of a well fixed connection of drop canal and drop well body, be provided with the division board on the drop canal, the division board is cut apart into sewage drop canal and rainwater drop canal along the spiral direction of drop canal with the drop canal, sewage drop canal is used for carrying sewage, rainwater drop canal is used for carrying the rainwater.
Because the setting of above-mentioned structure, through the drop canal that sets up to have helical structure in the drop well, make rain sewage arrive the bottom of drop well with the mode that the spiral flows, at the spiral flow in-process, not only can carry out desilting and mud sedimentation preliminary treatment to rain sewage to guarantee that no coarse rubbish gets into the working well, it can also effectively carry out the energy dissipation to rain sewage and fall the noise, has solved that traditional energy dissipation mode is not suitable for among the super deep drop well of super large and the technical problem of function singleness.
Further, for better implementation the utility model discloses, rainwater drop canal is located overhauls vent below, and the rainwater gets into rainwater drop canal through overhauing the vent in, sewage drop canal and sewer line switch-on, in sewage got into sewage drop canal through sewer line, drop canal passes through the mode of auger delivery with rain sewage drainage to the bottom of drop well.
Preferably, the well wall of the drop well body, the drop channel and the isolation plate jointly form a sewage drop channel, and one side of the isolation plate, which is far away from the well wall of the drop well body, forms a rainwater drop channel.
Furthermore, in order to better enable the rainwater drop channel to serve as an overhaul stair, the bottom surface of the rainwater drop channel is of a stepped structure. Through still being favorable to constructing into maintenance stair for the stepped structure with drop well design, for the maintainer provides convenient and safety guarantee, overcome the unable not enough of designing special maintenance passageway of traditional dissipation structure.
In order to further improve the safety in utilization of rainwater drop canal, rainwater drop canal is kept away from the side of division board is provided with the railing, the railing is used for constituting protection architecture.
Further, the upper end of the drop canal is positioned at the lower part of the maintenance ventilation opening, and the lower end of the drop canal extends to a sewage discharge pipeline at the bottom of the drop well body in a spiral mode.
The utility model discloses still include a rain sewage energy dissipation method who is applied to large-scale super dark drop well, including following step:
step 1, arranging an overhaul vent at the top wellhead of a drop well body, and building a spiral step drop canal along a well wall from the lower part of the overhaul vent until the bottom of the drop well body is built;
and 2, mounting a separation plate on the drop channel along the spiral direction of the drop channel so as to divide the drop channel into a sewage drop channel and a rainwater drop channel, wherein the sewage drop channel is close to the well wall, and the rainwater drop channel is close to the outer edge of the drop channel.
Further, in step 1, the drop canal and the isolation plate are both constructed and formed by reinforced concrete.
Further, in step 2, a guardrail is arranged at the outer edge of the rainwater drop channel to form a protection structure.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a set up drop canal that has helical structure in the drop well, make rain sewage reach the bottom of drop well with the mode of spiral flow, in the spiral flow process, not only can carry out desilting and mud sedimentation preliminary treatment to rain sewage, in order to guarantee that no coarse rubbish gets into the working well, it can also effectively carry out the energy dissipation and noise reduction to rain sewage, solved that traditional energy dissipation mode is not suitable for among the super large ultra-deep drop well and the technical problem of function singleness, simultaneously, still be favorable to constructing into maintenance stair through designing drop well for the stepped structure, provide convenient and safety guarantee for the maintainer, overcome the not enough of traditional energy dissipation structure unable design special access way;
2. the utility model can effectively perform energy dissipation and noise elimination treatment on the rain sewage in a spiral conveying mode, reduce noise pollution, minimize the scouring effect of the rain sewage on the shaft bottom and ensure no interference to nearby residents;
3. the energy dissipation structure of the utility model is simple, adopts physical technical means, does not need mechanical equipment, has no energy consumption, has no secondary pollution, is easy to realize, is arranged under the ground, does not destroy the original landscape of the ground, does not obstruct the sight, has no complex working procedures, and is beneficial to engineering construction;
4. the utility model discloses be favorable to maintainer convenient and fast to overhaul, effectively guaranteed personal safety to the construction need not the major construction, and economic investment is low, and the later stage only needs artifical the maintenance, and the running cost is low.
Drawings
Fig. 1 is a schematic plan view of an energy dissipation structure applied to a large ultra-deep drop well of the utility model;
figure 2 is a schematic view of the structure of the drop well energy dissipation structure below the ground;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;
fig. 4 is a schematic view of a cross-sectional structure B-B in fig. 2.
The labels in the figure are: 1 is drop well body, 2 is the sewage conduit, 3 is the caisson, 4 is sewage conduit, 5 is the tunnel, 6 is the maintenance vent, 7 is preventing the railing that climbs over, 8 is the grid apron, 9 is the steel decking, 10 is preventing weighing down the net that falls, 11 is the cage cat ladder, 12 is the drop canal, 1201 is the sewage drop canal, 1202 is the rainwater drop canal, 13 is the sewage branch pipe chute, 14 is the division board, 15 is the railing, 16 is the rainwater drop hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Taking the project specifically designed and constructed by the applicant as an example, namely a black dragon beach scenic area sewage main pipe project, a drop well of the project is of an ultra-large and ultra-deep type, the inner diameter of the well reaches 6m, and the depth exceeds 18m, as shown in fig. 1-4, the main structure of the drop well body is still constructed according to the existing construction design standard, for example, the wall of the drop well body 1 is communicated with sewage pipelines 2 and a mud sinking well 3 from all directions, the bottom of the drop well body 1 is constructed with a sewage pipeline 4, a tunnel 5 and the like, the difference is that an inspection ventilation opening 6 with the size of 4.5 × 1.5.5 m is arranged at the top of the drop well body 1, an anti-overturn railing 7 is additionally arranged at the top of the inspection ventilation opening 6, the inspection ventilation opening 6 is sealed by a grid cover plate 8 and a steel cover plate 9, a drop net 10 is arranged at the lower part of the grid cover plate 8, a protection ladder 11 is arranged downwards along the wall of the ventilation opening 6, the protection ladder 11 extends to the wall of the drop well body 1 until the wall of the drop well body 1, then a spiral drop canal 12 is constructed with a drop canal 12, the step is communicated with a sewage branch pipe 13 of the drop cage 12.5, and the sewage pipeline of the drop well wall of the.
Further, a partition plate 14 is constructed by reinforced concrete along the spiral direction of the drop canal 12 to separate the drop canal 12 into a rainwater drop canal 1201 and a sewage drop canal 1202, wherein the wall of the drop canal 1, the drop canal 12 and the partition plate 14 jointly form the sewage drop canal 1201, the width of the sewage drop canal can be 0.5m, one side of the partition plate 14 far away from the wall of the drop canal 1 forms the rainwater drop canal 1202, the width of the rainwater drop canal 1202 can be 0.9m, the thickness of the partition plate 14 can be 0.1m, the rainwater drop canal 1202 is located below an overhaul ventilation opening 6, rainwater enters the rainwater drop canal 1202 through the overhaul ventilation opening 6, the sewage drop canal 1201 is communicated with a sewage pipeline 2, sewage enters the sewage drop canal 1201 through the sewage pipeline 2, and the drop canal 12 guides rainwater to the bottom of the drop canal 1 in a spiral conveying mode.
Firstly, sewage in the sewage pipeline 2 is discharged into the sewage drop channel 1201, the sewage drop channel 1201 conveys the sewage to the position of a sewage branch pipe chute 13 in a spiral conveying mode, then the sewage is discharged into the sewage pipeline 4 through the sewage branch pipe chute 13, the sewage drop channel 1201 pretreats settled sand and settled mud in the conveying process, no coarse garbage enters a working well, noise is gradually eliminated through wall reflection in the conveying process, energy is slowly consumed to a low-energy state through spiral conveying, the problems of sewage energy dissipation and noise elimination of the ultra-large ultra-deep drop well are effectively solved, correspondingly, rainwater on the ground enters the rainwater drop channel 1202 through an overhauling vent 6 and reaches the well bottom through the spiral conveying of the rainwater drop channel 1202, the conveying process can also achieve the technical effects of noise elimination, energy dissipation, sand settling and sludge elimination, and noise elimination and energy dissipation when the rainwater enters the drop well body 1 in a large flow are eliminated integrally, the spiral conveying mode does not need additional mechanical equipment, has no energy consumption, and can be effectively applied to the large-scale urban ultra-deep work inspection well.
In the above embodiment, the main purpose of building the drop canal 12 into the step structure is that, for the rain drop canal 1202, the rain drop canal 1202 can be used as a stair for maintenance while conveying rain water, so as to form a special maintenance channel for maintenance personnel, which is convenient for the maintenance personnel to go into the well for maintenance, and provides convenience and safety guarantee for maintenance personnel; for the sewage drop canal 1201, the stepped bottom surface is helpful to improve the effect of pretreatment of sewage, sediment and mud, and prevent the foreign matter and garbage from adversely affecting the drop well body 1, and certainly, the bottom surface of the sewage drop canal 1201 may not be provided with a stepped structure, for example, may be directly provided with a planar structure, and may also perform energy dissipation and noise elimination on sewage, but the pretreatment effect on sewage, sediment and mud is poor, and at the same time, it is not convenient to integrally construct the sewage drop canal 1201 and the rainwater drop canal 1202, which increases the construction cost, and thus, it is not a preferred embodiment.
Further, when the rainwater fall canal 1202 is used as an overhaul stair, in order to further improve the safety of the rainwater fall canal 1202, a stainless steel rail 15 is installed on the outer edge (i.e., the outer side) of the rainwater fall canal 1202, so as to further guarantee the safety of overhaul personnel.
Further, in the above embodiment, the isolation plate 14 is mainly provided to form an access stair on the drop canal 12 to provide a dedicated access passage for the service personnel, and the access passage can be used as a rainwater conveying passage at the same time, so that the purpose of flexible utilization is achieved. Of course, it is not limited to only one isolation plate 14 on the drop canal 12, and it is also possible to provide two isolation plates 14 or more on the drop canal 12 to divide the drop canal 12 into three parts, and in these three parts, the service passage is necessary, otherwise, it is not necessary to use the isolation plate 14, therefore, although the above embodiment only exemplifies the case of only one isolation plate 14, according to the concept of the present invention, it is not limited to providing one isolation plate 14. Accordingly, the relative position relationship between the rainwater drop channel 1202 and the sewage drop channel 1201 is not a mandatory requirement, but considering that sewage enters the drop well body 1 through the sewage pipeline 2 and the sewage pipeline 2 is directly communicated with the drop well body 1 through the well wall, in order to facilitate sewage discharge into the drop well body 1, the arrangement mode that the sewage drop channel 1201 is close to the well wall is preferably adopted, and the arrangement mode is also convenient for a maintainer to use the rainwater drop channel.
Further, based on the utility model discloses a design, the utility model discloses still include a rain sewage energy dissipation method who is applied to large-scale ultra-deep drop well, it includes following step:
step 1, arranging an overhaul vent 6 at the top wellhead of a drop well body 1, building a spiral step drop canal 12 along the well wall from the lower part of the overhaul vent 6 until the bottom of the drop well body 1, namely a sewage discharge pipeline 4, is built;
When the method for dissipating the energy of the rainwater and the sewage is applied to the ultra-large and ultra-deep drop well of the dry pipe project of the sewage in the scenic spot of the Heilongtan, the remarkable energy dissipation and noise elimination effects are achieved, the large delivery capacity and the large specification of the rainwater and the sewage of the ultra-large and ultra-deep drop well are caused, the technical effects of energy dissipation and noise elimination cannot be achieved by using the traditional energy dissipation mode of the drop well, and in the traditional energy dissipation structure of the drop well, a special maintenance channel is difficult to design, and when a maintenance worker overhauls the ultra-large and ultra-deep drop well, the safety threat is great.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an energy dissipation structure for large-scale super dark drop well, includes the drop well body, its characterized in that, the top well head of drop well body is provided with overhauls the vent, it is provided with the drop canal to overhaul the vent lower part, the drop canal forms spiral structure along the wall of a well spiral of drop well body downwards, the wall of a well fixed connection of drop canal and drop well body, be provided with the division board on the drop canal, the division board is cut apart into sewage drop canal and rainwater drop canal along the spiral direction of drop canal with the drop canal, sewage drop canal is used for carrying sewage, rainwater drop canal is used for carrying the rainwater.
2. The energy dissipation structure applied to a large ultra-deep drop well according to claim 1, wherein the rainwater drop channel is located below an inspection ventilation opening, rainwater enters the rainwater drop channel through the inspection ventilation opening, the sewage drop channel is communicated with a sewage pipeline, sewage enters the sewage drop channel through the sewage pipeline, and the drop channel guides rainwater and sewage to the bottom of the drop well in a spiral conveying mode.
3. The energy dissipation structure applied to the large-scale ultra-deep drop well as in claim 2, wherein the well wall of the drop well body, the drop channel and the isolation plate jointly form a sewage drop channel, and one side of the isolation plate, which is far away from the well wall of the drop well body, forms a rainwater drop channel.
4. An energy dissipation structure applied to a large ultra-deep drop well according to claim 3, wherein the bottom surface of the rain drop canal is of a stepped structure.
5. An energy dissipation structure applied to a large ultra-deep drop well according to claim 4, wherein a railing is arranged on the side of the rain drop canal far away from the isolation plate, and the railing is used for forming a protection structure.
6. An energy dissipation structure applied to a large ultra-deep drop well according to claim 1, wherein the drop canal has an upper end located at the lower part of the maintenance ventilation opening and a lower end spirally extending to a sewage discharge pipeline at the bottom of the drop well body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921701602.4U CN211114007U (en) | 2019-10-12 | 2019-10-12 | Energy dissipation structure applied to large ultra-deep drop well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921701602.4U CN211114007U (en) | 2019-10-12 | 2019-10-12 | Energy dissipation structure applied to large ultra-deep drop well |
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| Publication Number | Publication Date |
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| CN211114007U true CN211114007U (en) | 2020-07-28 |
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| CN201921701602.4U Active CN211114007U (en) | 2019-10-12 | 2019-10-12 | Energy dissipation structure applied to large ultra-deep drop well |
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