CN212760282U - Rigid landfill - Google Patents

Abstract

The utility model discloses a rigid landfill, which comprises landfill unit grids; the landfill cell is a unit pool of a flexible landfill site, the cross section of the landfill cell is rectangular, concrete layers are respectively paved on the pool wall and the pool bottom of the landfill cell, a sealing coating layer is coated on the concrete layers, and an anti-corrosion coating is coated on the sealing coating layer. The utility model discloses lay concrete layer in the unit pond with flexible landfill, reach the intensity demand of rigidity landfill to coating sealing coating layer on concrete layer, the last anticorrosive coating that coats of sealing coating layer, the prevention of seepage is anticorrosive, reaches the user demand of rigidity landfill, changes flexible landfill into the rigidity landfill with the realization, has avoided the long-term idle problem of flexible landfill.

Description

Rigid landfill

Technical Field

The utility model belongs to the technical field of the landfill class technique and specifically relates to a rigidity landfill is related to.

Background

The release of the national ecological environment department to the hazardous waste landfill pollution control standard (GB18598-2019) improves the landfill requirement of hazardous waste in flexible landfills, causes the storage capacity of the built flexible landfills to be idle for a long time, and wastes resources.

Therefore, how to avoid the long-term idle of the flexible landfill is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a rigid landfill to avoid the long-term idle of a flexible landfill.

In order to achieve the above object, the present invention provides the following solutions:

a rigid landfill comprising landfill cells;

the unit cell is a unit pool of a flexible landfill site, the cross section of the unit cell is rectangular, concrete layers are laid on the pool wall and the pool bottom of the unit cell respectively, a sealing coating layer is coated on the concrete layers, and an anti-corrosion coating is coated on the sealing coating layer.

In a particular embodiment, the rigid landfill site further includes a barrier film coated over the corrosion protective coating.

In another specific embodiment, the impermeable membrane is made of ethylene propylene diene self-adhesive rubber roll.

In another specific embodiment, the number of the landfill unit cells is multiple, and the multiple landfill unit cells are arranged in a rectangular shape.

In another specific embodiment, a tower crane is arranged at the center of a plurality of landfill units for hoisting the rigid landfill site.

In another specific embodiment, the landfill unit cells are arranged in a common wall mode, expansion joints are arranged in the landfill unit cells, and supporting beams are arranged below the expansion joints.

In another specific embodiment, said rigid landfill further comprises retaining walls disposed around all of said landfill cells;

the retaining wall is formed by dismantling a retaining slope of the flexible landfill to an elevation.

In another specific embodiment, the vertical corners of the road connecting the unloading platform and the landfill unit cells are provided with arc-shaped turns.

In another specific embodiment, the rigid landfill further comprises a rain shed;

the canopy is installed at the opening end of the landfill unit cell in a closed mode.

In another specific embodiment, the canopy is a movable canopy.

According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.

The utility model discloses an in a concrete embodiment, lay concrete layer in the unit pond of flexible landfill, reach the intensity demand of rigidity landfill to coating sealing coating layer on concrete layer, coating anticorrosive coating on the sealing coating layer, the prevention of seepage is anticorrosive, reaches the user demand of rigidity landfill, changes flexible landfill into rigidity landfill with the realization, has avoided the long-term idle problem of flexible landfill.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.

Fig. 1 is a schematic structural diagram of a rigid landfill provided by the present invention;

fig. 2 is a schematic view of a plurality of landfill cells according to the present invention;

fig. 3 is a schematic view of a partial structure of a side wall of a landfill unit cell provided by the present invention;

fig. 4 is the main view structure diagram after the road widening provided by the utility model.

Wherein, in fig. 1-4:

the device comprises landfill unit cells 1, expansion joints 2, support beams 3, roads 4, arc-shaped turns 5, a fly ash landfill area 6 and a slag landfill area 7.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to fig. 1 to 4 and the detailed description.

As shown in fig. 1-2, the present invention provides a rigid landfill, wherein the rigid landfill includes landfill cells 1.

Specifically, the landfill unit cell 1 is a unit pool of a built flexible landfill site, the cross section of the landfill unit cell 1 is rectangular, concrete layers are respectively paved on the pool wall and the pool bottom of the landfill unit cell 1, and in order to further improve the impermeability of the landfill unit cell 1, the concrete layer paved in the landfill unit cell 1 is C30 and P8 impermeable concrete.

The concrete layer is coated with a sealing coating layer, specifically, the sealing coating layer is made of a permeable sealing ZS-1011 transition coating, so that permeable hole sealing reinforcement construction can be performed on the pool wall and the pool bottom of the landfill unit cell 1, the permeable micropores and cracks can be sealed, and meanwhile, the loose surface of the concrete can be reinforced with strong adhesiveness. The utility model discloses in, landfill cell 1 has done the more prevention of seepage measure of optimizing on the basis that satisfies the standard, has reduced the construction degree of difficulty.

And an anticorrosive coating is coated on the sealing coating layer, so that the anticorrosive performance of the landfill unit cell 1 is improved. Specifically, after the seal coating layer is dried, a layer of anticorrosive coating is coated.

The utility model discloses in, lay concrete layer in the unit pond of flexible landfill, reach the intensity demand of rigidity landfill, and coat the sealing coating layer on concrete layer, the last anticorrosive coating that coats of sealing coating layer, the prevention of seepage is anticorrosive, reach the user demand of rigidity landfill, change the rigidity landfill into with flexible landfill in order to realize, avoided the long-term idle problem of flexible landfill, and then avoided the waste of resource.

In some of these embodiments, the rigid landfill site also includes a barrier film that is coated over the corrosion resistant coating to further improve the barrier properties of the landfill unit cell 1.

Specifically, the utility model discloses an impervious membrane is made for ethylene propylene diene monomer self-adhesion rubber book, utilizes the high elongation of ethylene propylene diene monomer material, high low temperature resistant and ozone-resistant, performance such as ageing-resistant, and ubiquitous when using the complete set to glue in the construction has been overcome to the self-adhesive layer coheres with the main material not well or can not synchronous ageing phenomenon, and fundamentally has solved easy the phenomenon of opening glue, tympanic bulla, has guaranteed the waterproof validity of totality. The self-adhesive rubber layer can penetrate through capillary holes or cracks of concrete or cement mortar, so that the self-adhesive rubber layer is firmly combined with the base layer, and the hidden trouble that the whole waterproof layer has water flowing due to the fact that water seeps locally of the waterproof layer caused by accidents is solved.

It should be noted that the barrier film may also be formed from HDPE film, and in particular, the HDPE film may be removed from an existing flexible landfill. In order to further save materials and reduce cost, the anti-seepage materials of the built flexible landfill and the HDPE drainage pipe at the bottom of the reservoir area are protectively dismantled.

In some embodiments, the number of the landfill cells 1 is multiple, and the multiple landfill cells 1 are arranged in a rectangular shape. In this embodiment, the number of the landfill cells 1 is 176.

In some embodiments, a tower crane is arranged at the center of the plurality of landfill unit cells 1 for hoisting operation of a rigid landfill. Here, the center position of the plurality of landfill cells 1 is a position where the boom of the crane can cover all the cranes of the landfill cells 1.

In some embodiments, the landfill unit cells 1 are arranged in a common wall, and expansion joints 2 are arranged in the landfill unit cells 1 to prevent the landfill unit cells 1 from being damaged by thermal expansion and cold contraction, as shown in fig. 3. The supporting beam 3 is arranged below the expansion joint 2, and does not occupy the capacity of the landfill unit cell 1. The requirement of the basic bearing capacity characteristic value of the rigid landfill can reach 220 kPa.

In some of these embodiments, the rigid landfill further comprises retaining walls disposed around all of the landfill cells 1, the retaining walls being formed by the slope of the retaining walls of the flexible landfill being broken down to elevation. Specifically, in order to save investment cost and reduce concrete pouring amount, the elevation of the east retaining wall, the south retaining wall and the north retaining wall of the rigid landfill site is reduced to 1230.550m, the slope of the original flexible landfill site is dismantled to the same elevation for soil connection, namely the slope with the elevation of 1230.550 m-1233.000 m is not dismantled.

In some of these embodiments, the vertical corners of the roads 4 that connect the unloading platform to the landfill unit cells 1 are provided with curved turns 5, i.e. widening at the right angle turns of the roads 4 of the built flexible landfill, as shown in figure 4. It should be noted that the size and the number of the arc-shaped turns are set according to the length and the width of the hazardous waste transport vehicle.

In some of these embodiments, the present invention discloses the placement of fly ash landfill 6 and slag landfill 7 in a constructed flexible landfill, as shown in fig. 1, with the number of slag landfill 7 being 2.

In some of these embodiments, the rigid landfill further comprises a canopy that is mounted closed at the open end of the landfill unit cell 1. Specifically, the canopy is made of a single-layer color steel plate.

In some of the embodiments, the canopy is a movable canopy, in particular, the landfill unit cells 1 are provided with rails along which the canopy can slide, and the tower crane hoists the canopy.

The utility model has the advantages of as follows:

(1) the utility model discloses a flexible landfill reforms transform into the rigidity landfill, through the optimization and the effective utilization of original facilities such as flexible landfill prevention of seepage layer material, unit pond slope, side slope, reduces and reforms transform the cost.

(2) The landfill operation hoisting equipment of the rigid landfill site is a tower crane, has high economical efficiency and practicability, is beneficial to hoisting during construction, and can be applied to safe landfill of dangerous wastes, hoisting of rain shelters and other work;

(3) the utility model widens the original road 4, and ensures the turning radius requirement of the dangerous waste transport vehicle;

(4) the elevation of the east, south and north retaining walls of the rigid landfill site is reduced to 1230.550m, the slope of the original flexible landfill site is dismantled to the same elevation for soil connection, namely the slope with the elevation of 1230.550 m-1233.000 m is not dismantled, the investment cost is saved, and the concrete pouring amount is reduced.

(5) The impermeable material adopts 1.5mm ethylene propylene diene self-adhesive rubber coiled material to replace HDPE film, and utilizes the properties of ethylene propylene diene such as high elongation, high and low temperature resistance, ozone resistance, aging resistance and the like; the self-adhesive layer overcomes the common phenomenon that the self-adhesive layer is not well adhered to a main material or cannot age synchronously when matching glue is used in construction, fundamentally solves the phenomena of easy glue opening and bubbling, and ensures the effectiveness of overall water resistance. The self-adhesive rubber layer can penetrate through capillary holes or cracks of concrete or cement mortar, so that the self-adhesive rubber layer is firmly combined with the base layer, and the hidden trouble that the whole waterproof layer has water flowing due to the fact that water seeps locally of the waterproof layer caused by accidents is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A rigid landfill comprising landfill cells;

the unit cell is a unit pool of a flexible landfill site, the cross section of the unit cell is rectangular, concrete layers are laid on the pool wall and the pool bottom of the unit cell respectively, a sealing coating layer is coated on the concrete layers, and an anti-corrosion coating is coated on the sealing coating layer.

2. The rigid landfill site of claim 1, further comprising a barrier film coated over the corrosion protection coating.

3. The rigid landfill site of claim 2, wherein the impermeable membrane is made of ethylene propylene diene self-adhesive rubber roll.

4. The rigid landfill according to claim 1, wherein the number of the landfill unit cells is multiple, and the multiple landfill unit cells are arranged in a rectangular shape.

5. The rigid landfill according to claim 4, wherein a tower crane is provided at a central position of the plurality of landfill units for hoisting operation of the rigid landfill.

6. The rigid landfill according to claim 4, wherein the landfill cells are arranged in a common wall, expansion joints are arranged in the landfill cells, and support beams are arranged below the expansion joints.

7. The rigid landfill site of claim 4, further comprising retaining walls disposed around all of the landfill cells;

the retaining wall is formed by dismantling a retaining slope of the flexible landfill to an elevation.

8. The rigid landfill site of claim 1, wherein the vertical corners of the roads that communicate the unloading platform with the landfill cells are provided with curved turns.

9. A rigid landfill according to any one of claims 1 to 8, further comprising a canopy;

the canopy is installed at the opening end of the landfill unit cell in a closed mode.

10. The rigid landfill site of claim 9, wherein the canopy is a movable canopy.

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