CN113684861A - Semi-underground double-layer overhead rigid landfill - Google Patents
Semi-underground double-layer overhead rigid landfill Download PDFInfo
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- CN113684861A CN113684861A CN202110899296.5A CN202110899296A CN113684861A CN 113684861 A CN113684861 A CN 113684861A CN 202110899296 A CN202110899296 A CN 202110899296A CN 113684861 A CN113684861 A CN 113684861A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B1/00—Dumping solid waste
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
Abstract
The invention provides a semi-underground double-layer overhead rigid landfill, which comprises a canopy, an operation travelling crane, a two-layer reservoir area bottom plate, a middle maintenance operation interlayer, a one-layer reservoir area bottom plate, a bottom maintenance interlayer and the like; according to the rigid landfill is divided into the upper layer and the lower layer through the bottom overhaul interlayer and the middle overhaul operation interlayer, under the premise that the occupied area is fixed, the storage capacity of the rigid landfill can be effectively improved, the underground space is fully utilized, the operation height and cost of a lifting area are reduced, and the operation efficiency is improved; the box type foundation of the underground space can be used as a basement, can adapt to the foundation with uneven local hardness, effectively adjusts the counterforce of the foundation, improves the bearing capacity of the foundation and reduces the settlement of the building; dividing the rigid landfill into a plurality of units in a pool wall separation mode to realize partition and classification registration landfill of landfill objects; the percolate pumping and draining system can meet the requirements of layering and partition guide and drainage of percolate in a landfill area, and a strict leakage detection facility can effectively prevent environmental pollution accidents.
Description
Technical Field
The invention belongs to the technical field of hazardous waste landfill treatment, and particularly relates to a semi-underground double-layer overhead rigid landfill.
Background
The ecological environment department of 2019 promulgates a new standard of 'hazardous waste landfill pollution control standard' (GB 18598-. The site is located in high-compressibility sludge, a rigid landfill needs to be built when the underground water level is high and the total content of dissolved salt of landfill waste is more than 10%, and the rigid landfill disposal technology is used as a landfill disposal technology which is more environment-friendly than a flexible landfill and is bound to become a main stream of dangerous waste landfill in the future.
At present, a single-layer rigid landfill is mainly used as a main rigid landfill, and few constructions and researches on the double-layer rigid landfill are carried out. Under the condition of unit floor space, the double-layer rigid landfill has obvious advantage on increasing the storage capacity, so that under the situation that the construction requirements of rigid landfill in various places are increasingly increased, deep research on related technologies of floor space intensive double-layer overhead rigid landfill is very necessary to be carried out.
As described above, most of the current rigid landfills adopt the above-ground type, and the landfilling technology of the semi-underground type rigid landfills is rarely studied, and the research of the semi-underground type double-layer rigid landfills is rarely studied, so that it is necessary to search the semi-underground type double-layer rigid landfills more deeply and search the landfilling disposal technology of the semi-underground type double-layer overhead rigid landfills.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to overcome the defects in the prior art and provide an overhead semi-underground rigid landfill warehouse capable of realizing classification, partition and layered landfill.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a semi-underground double-layer overhead rigid landfill mainly comprises: canopy, operation driving, two layers of reservoir areas, two layers of reservoir area bottom plates, middle maintenance operation interlayer, one layer of reservoir area bottom plate, bottom maintenance interlayer. The bottom overhaul interlayer separates the first-layer reservoir area from the reservoir area foundation slab, and the middle overhaul operation interlayer is a separation layer of the first-layer reservoir area and the second-layer reservoir area, so that a double-layer overhead rigid structure is formed. The intermediate maintenance operation interlayer is a leakage detection and maintenance guarantee facility for the bottom plate of the two-layer reservoir area and provides an operation space for the landfill of the first-layer reservoir area. The bottom overhaul interlayer is a layer of facility for guaranteeing leakage detection and overhaul of the bottom plate of the reservoir area. And a middle maintenance interlayer crane is arranged at the top of the middle maintenance operation interlayer, and the landfill is lifted to the first-layer reservoir area from the ground through the first-layer lifting area by the middle maintenance interlayer crane. And the first layer of reservoir area is supported by the structural columns, is a lower landfill reservoir area of the middle overhaul operation interlayer and is positioned above the bottom overhaul interlayer. And the second-layer reservoir area is a landfill reservoir area above the intermediate maintenance operation interlayer, an operation travelling crane is arranged at the upper part of the second-layer reservoir area, and the landfill objects are lifted to the second-layer reservoir area from the ground through the second-layer lifting area by using the operation travelling crane.
Further, the bottom overhaul interlayer is arranged below the design ground, and can reach the bottom overhaul interlayer through the first layer of warehouse area overhaul channel during first layer of warehouse area overhaul.
Furthermore, the first-layer reservoir area and the second-layer reservoir area are composed of a plurality of concrete unit cells, the first-layer reservoir area comprises a first-layer reservoir area pool wall and a first-layer reservoir area bottom plate, and the second-layer reservoir area comprises a second-layer reservoir area pool wall and a second-layer reservoir area bottom plate.
Furthermore, the operation travelling crane is a movable bridge crane and is placed on a steel frame column of a canopy at the upper part of the two-layer reservoir area unit, and the canopy is a light steel canopy and adopts a light steel roof. The operation travelling crane hoists the landfill materials to the designated landfill units on the two layers in the reservoir area from the two-layer hoisting area.
Furthermore, the cover plate of the overhaul channel of the reservoir area at one layer adopts a transparent cover plate and is provided with a ventilation window, and the transparent cover plate can be used as a bottom overhaul interlayer lighting window.
Furthermore, an anti-seepage system is arranged in the first-layer reservoir area and the second-layer reservoir area and mainly comprises a geomembrane. The first-layer reservoir area comprises a first-layer reservoir area pool wall, a first-layer reinforced concrete reservoir area bottom plate, an anti-seepage system and a leakage liquid collecting and draining system; the two-layer reservoir area comprises two-layer reservoir area pool walls, two-layer reservoir area bottom plates, an anti-seepage system and a leakage liquid collecting and draining system. A percolate lifting pump is arranged above the anti-seepage system, and percolate generated by landfills is lifted to a percolate adjusting tank through a percolate lifting pipe by the percolate lifting pump.
Furthermore, a percolate leakage detection facility is arranged below the anti-seepage system and the reservoir area bottom plates (the first-layer reservoir area bottom plate and the second-layer reservoir area bottom plate), and the percolate leakage condition of the landfill reservoir area is timely monitored through the leakage detection facility.
Furthermore, the two-layer reservoir area is divided into a plurality of landfill units by reinforced concrete pool walls and reinforced concrete bottom plates, each landfill unit is provided with a water collecting pit, and leachate generated by the landfill is pumped out of the field area from the water collecting pits through leachate collecting pipes by leachate lifting pumps.
Compared with the prior art, the invention has the following advantages:
(1) according to the semi-underground double-layer overhead rigid landfill, a landfill area is divided into two layers, double-layer landfill of landfill objects can be realized, and the storage capacity of the landfill area is increased under the condition of limited floor area.
(2) According to the semi-underground double-layer overhead rigid landfill, the landfill area is divided into a plurality of landfill units, so that classification and partition landfill of landfill objects can be realized.
(3) The invention is provided with a double-layer partition leakage liquid guiding and discharging system, the bottom of the reservoir area is provided with a drainage slope, and the leachate is guided and discharged in a way of pumping and discharging by a leachate lifting pump, so that the damage to the integrity of the reservoir body is avoided, and the risk of leakage of the leachate in a landfill reservoir is reduced.
(4) The bottom overhaul interlayer is arranged below the ground, so that the hoisting height can be reduced, the operation efficiency can be improved and the operation cost can be greatly saved on the premise of meeting the use function.
(5) Basement can regard as the box basis concurrently in the intermediate layer is overhauld to the bottom, can adapt to local soft or hard inhomogeneous ground, effectively adjusts basement counter-force, and the bottom plate forms wholly with the outer wall to be favorable to waterproofly, improves the ground bearing capacity simultaneously, reduces the building and subsides.
Drawings
FIG. 1 is a sectional view (one) of a semi-underground double-deck overhead rigid landfill according to the present invention;
FIG. 2 is a sectional view of a semi-underground double-deck overhead rigid landfill according to the present invention;
fig. 3 is a schematic view of the system for lifting percolate within a landfill cell of the present invention.
In the figure:
1-canopy, 2-operation traveling crane, 3-steel structure upright post, 4-two-layer lifting area, 5-two-layer reservoir area, 6-two-layer reservoir area pool wall, 7-two-layer reservoir area bottom plate, 8-middle maintenance interlayer crane, 9-middle maintenance operation interlayer, 10-one-layer lifting area, 11-one-layer reservoir area pool wall, 12-one-layer reservoir area, 13-one-layer reservoir area maintenance channel, 14-one-layer reservoir area bottom plate, 15-bottom maintenance interlayer, 16-reservoir area foundation bottom plate, 17-seepage prevention system, 18-percolate lifting pipe, 19-percolate lifting pump and 20-percolate leakage detection facility.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Examples
The semi-underground double-layer overhead rigid landfill according to the embodiment, as shown in fig. 1 to 3, mainly includes: the light steel canopy comprises a light steel canopy 1, an operation travelling crane 2, a two-layer reservoir area 5, a two-layer reservoir area bottom plate 7, a middle maintenance operation interlayer 9, a one-layer reservoir area 12, a one-layer reservoir area bottom plate 14 and a bottom maintenance interlayer 15.
The bottom overhaul interlayer 15 separates the first-layer reservoir area 12 from the base bottom plate 16 of the reservoir area, and the middle overhaul operation interlayer 9 is a separation layer of the first-layer reservoir area 12 and the second-layer reservoir area 5 to form a double-layer overhead rigid structure; the intermediate maintenance operation interlayer 9 is a leakage detection and maintenance guarantee facility for the bottom plate 7 of the two-layer reservoir area, and provides an operation space for the landfill of the first-layer reservoir area; the bottom overhaul interlayer 15 is a layer of leakage detection and overhaul guarantee facility for the bottom plate 14 of the reservoir area; the top of the intermediate overhaul operation interlayer 9 is provided with an intermediate overhaul interlayer crane 8, and the landfill is hoisted to a first-layer reservoir area 12 from the ground through a first-layer hoisting area 10 by the intermediate overhaul interlayer crane 8; a first layer of reservoir area 12 supported by the structural columns, which is a buried reservoir area at the lower part of the middle overhaul operation interlayer 9 and is positioned above the bottom overhaul interlayer 15; the second-layer reservoir area 5 is an upper landfill reservoir area above the middle maintenance operation interlayer 9, the upper part of the second-layer reservoir area is provided with an operation travelling crane 2, and the landfill objects are hoisted to the second-layer reservoir area 5 from the ground through the second-layer hoisting area 4 by using the operation travelling crane 2.
The bottom overhaul interlayer 15 is arranged below the design ground, and the bottom overhaul interlayer 15 can be reached through the first-layer reservoir area overhaul channel 13 during overhaul of the first-layer reservoir area 12. The first-layer reservoir area 12 and the second-layer reservoir area 5 are composed of a plurality of concrete unit cells, the first-layer reservoir area 12 comprises a first-layer reservoir area pool wall 11 and a first-layer reservoir area bottom plate 14, and the second-layer reservoir area 5 comprises a second-layer reservoir area pool wall 6 and a second-layer reservoir area bottom plate 7. The operation travelling crane 2 is a movable bridge crane and is placed on a steel frame column of a canopy 1 at the upper part of the two-layer reservoir area unit, and the canopy 1 adopts a light steel roof.
The cover plate of the first layer of reservoir area overhaul channel 13 is a transparent cover plate and is provided with a ventilation window, and the transparent cover plate can be used as a bottom overhaul interlayer 15 lighting window. An anti-seepage system 17 is arranged in the first layer reservoir area 12 and the second layer reservoir area 5 and mainly comprises a geomembrane. The first-layer reservoir area 12 comprises a first-layer reservoir area pool wall 11, a first-layer reinforced concrete reservoir area bottom plate 14, an anti-seepage system 17 and a leakage liquid collecting and draining system; the second-layer reservoir area 5 comprises a second-layer reservoir area pool wall 6, a second-layer reservoir area bottom plate 7, an anti-seepage system 17 and a leakage liquid collecting and draining system. A percolate lifting pump 19 is arranged above the anti-seepage system 17, and percolate generated by the landfill is lifted to a percolate adjusting tank by the percolate lifting pump 19 through a percolate lifting pipe 18. A percolate leakage detecting facility 20 is arranged below the anti-seepage system 17 and the reservoir area bottom plates (the first-layer reservoir area bottom plate 14 and the second-layer reservoir area bottom plate 7), and the percolate leakage condition of the landfill reservoir area is timely monitored through the leakage detecting facility. The two-layer reservoir area 5 is divided into a plurality of landfill units by reinforced concrete pool walls and reinforced concrete bottom plates, each landfill unit is provided with a water collecting pit, and leachate generated by the landfill is pumped out of the field area through a leachate collecting pipe by a leachate lifting pump.
The main implementation of the invention is as follows:
the foundation form of this embodiment adopts box basis, combines the topography to confirm the landfill district and overhauls the intermediate layer buried depth. Pouring a reservoir foundation bottom plate 16 on the box foundation, and constructing a layer of reservoir structural column on the foundation bottom plate, wherein the formation of a bottom overhaul interlayer 18 is shown after the construction of the layer of reservoir structural column is finished; a layer of reservoir area bottom plate 14 and a layer of reservoir area pool wall 11 are poured on the layer of reservoir area structural column, and the layer of reservoir area pool wall 11 and the layer of reservoir area bottom plate 14 divide the layer of reservoir area 12 into a plurality of landfill unit cells; arranging a drainage slope on a bottom plate 14 in a layer of landfill unit in a slope finding mode, arranging a water collecting pit at the lowest position, and discharging percolate generated by the landfill out of a field area in a percolate lifting pump 19 pumping and discharging mode; laying an anti-seepage system 17 on a floor 14; after the first-layer reservoir area 12 is constructed, pouring second-layer reservoir area structural columns to serve as a supporting structure of the second-layer reservoir area 5; after the construction of the two-layer reservoir area structural column is completed, the two-layer reservoir area structural column serves as a middle maintenance operation interlayer 9, a crane 8 is arranged on the middle maintenance operation interlayer 9, and a lifting travelling crane is placed on the two-layer reservoir area structural column for lifting the landfill of the lifting area 10; a two-layer reservoir area bottom plate 7 and a two-layer reservoir area pool wall 6 of the two-layer reservoir area 5 are built above the intermediate maintenance operation interlayer 9; the same as the first-layer reservoir area 12, the second-layer reservoir area 5 is also internally provided with an anti-seepage system 17; after the second-layer reservoir area 5 is constructed, mounting a reservoir area canopy 1, wherein the canopy 1 is fixed on structural columns of the second-layer reservoir area 5 through anchor bolts; and (3) mounting brackets on the steel columns of the canopy 1, fixing the operation travelling crane 2 on the brackets, and lifting the landfill from the second-layer lifting area 4.
The working process of the invention is as follows:
after the construction of the landfill is completed, the landfill is conveyed to the landfill by the transport vehicle, then the landfill is conveyed to the lifting area by the transport vehicle after the classification registration number, the landfill of the first layer of the reservoir area 12 is firstly buried, then the landfill of the second layer of the reservoir area 5 is buried, and the landfill is lifted to the appointed landfill unit. After each layer of landfill areas are filled, field sealing is needed, and after field sealing is finished, leachate generated by landfill of each unit is discharged to a main leachate pipe through a leachate pumping and discharging system arranged in the landfill unit and finally discharged out of a field area.
The present invention has been described in further detail with reference to the specific preferred embodiments, and it is not to be construed that the embodiments of the present invention are limited to the description. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. A semi-underground double-deck overhead rigid landfill comprising: the system comprises a canopy (1), an operation travelling crane (2), a second-layer reservoir area (5), a second-layer reservoir area bottom plate (7), a middle maintenance operation interlayer (9), a first-layer reservoir area (12), a first-layer reservoir area bottom plate (14) and a bottom maintenance interlayer (15); the method is characterized in that: the bottom overhaul interlayer (15) separates the first-layer reservoir area (12) from the base bottom plate (16) of the reservoir area, and the middle overhaul operation interlayer (9) is a separation layer of the first-layer reservoir area (12) and the second-layer reservoir area (5), so that a double-layer overhead rigid structure is formed; the intermediate maintenance operation interlayer (9) is a leakage detection and maintenance guarantee facility for the bottom plate (7) of the two-layer reservoir area, and provides an operation space for the landfill of the first-layer reservoir area; the bottom overhaul interlayer (15) is a seepage detection and overhaul guarantee facility for a floor (14) of the reservoir area; the top of the intermediate overhaul operation interlayer (9) is provided with an intermediate overhaul interlayer crane (8), and the landfill is hoisted to a first reservoir area (12) from the ground through a first hoisting area (10) by the intermediate overhaul interlayer crane (8); a layer of reservoir area (12) supported by the structural columns, which is a buried reservoir area at the lower part of the middle overhaul operation interlayer (9) and is positioned above the bottom overhaul interlayer (15); and the second-layer reservoir area (5) is a landfill reservoir area above the intermediate maintenance operation interlayer (9), the upper part of the second-layer reservoir area is provided with an operation travelling crane (2), and the landfill is hoisted to the second-layer reservoir area (5) from the ground through the second-layer hoisting area (4) by utilizing the operation travelling crane (2).
2. The semi-underground double-deck overhead rigid landfill according to claim 1, characterized in that: the bottom overhaul interlayer (15) is arranged below the designed ground, and the bottom overhaul interlayer (15) can be reached through the first layer of reservoir area overhaul channel (13) when the first layer of reservoir area (12) is overhauled.
3. The semi-underground double-deck overhead rigid landfill according to claim 1, characterized in that: the first-layer reservoir area (12) and the second-layer reservoir area (5) are composed of a plurality of concrete cells, the first-layer reservoir area (12) comprises a first-layer reservoir area pool wall (11) and a first-layer reservoir area bottom plate (14), and the second-layer reservoir area (5) comprises a second-layer reservoir area pool wall (6) and a second-layer reservoir area bottom plate (7).
4. The semi-underground double-deck overhead rigid landfill according to claim 1, wherein the working crane (2) is a movable bridge crane, and is placed on the steel frame column of the canopy (1), and the canopy (1) is a light steel canopy using a light steel roof.
5. The semi-underground double-deck overhead rigid landfill according to claim 1, characterized in that: the first-layer reservoir area (12) comprises a first-layer reservoir area pool wall (11), a first-layer reinforced concrete reservoir area bottom plate (14), an anti-seepage system (17) and a leakage liquid collecting and draining system; the two-layer reservoir area (5) comprises two-layer reservoir area pool walls (6), two-layer reservoir area bottom plates (7), an anti-seepage system (17) and a leakage liquid collecting and draining system.
6. The semi-underground double-layer overhead rigid landfill according to claim 2, wherein the cover plate of the one-layer landfill area access passage (13) is a transparent cover plate, and a ventilation window transparent cover plate is arranged to be used as a lighting window of the bottom access interlayer (15).
7. The semi-underground double-deck overhead rigid landfill according to claim 5, wherein: a percolate lifting pump (19) is arranged above the seepage-proofing system (17) of the first-layer reservoir area (12) and the second-layer reservoir area (5), and percolate generated by the landfill is lifted to a percolate adjusting tank through a percolate lifting pipe (18) by the percolate lifting pump (19).
8. The semi-underground double-deck overhead rigid landfill according to claim 5, wherein: and a percolate leakage detecting facility (20) is arranged below the seepage-proofing system (17) and the first-layer reservoir area bottom plate (14) or the second-layer reservoir area bottom plate (7).
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| CN202110899296.5A CN113684861A (en) | 2021-08-05 | 2021-08-05 | Semi-underground double-layer overhead rigid landfill |
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| CN202110899296.5A CN113684861A (en) | 2021-08-05 | 2021-08-05 | Semi-underground double-layer overhead rigid landfill |
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2021
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