CN216126292U - Landfill earthwork processing apparatus - Google Patents
Landfill earthwork processing apparatus Download PDFInfo
- Publication number
- CN216126292U CN216126292U CN202121067033.XU CN202121067033U CN216126292U CN 216126292 U CN216126292 U CN 216126292U CN 202121067033 U CN202121067033 U CN 202121067033U CN 216126292 U CN216126292 U CN 216126292U
- Authority
- CN
- China
- Prior art keywords
- curing agent
- treatment
- landfill
- curing
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an earthwork treatment device of a refuse landfill, which comprises a miscellaneous fill treatment component, a sludge layer treatment component and a backfill treatment component, wherein the miscellaneous fill treatment component is connected with the backfill treatment component; the miscellaneous fill processing assembly comprises a surface cleaning device, a deodorization dust-settling device, a screening processing device, a water seepage processing device, a curing agent preparation device and a first stirring device; the sludge layer treatment assembly comprises a pre-detection device, a curing agent manufacturing device, a second stirring device and a curing tedding device. The utility model uses the material of the operation area, realizes the recycling and does not generate new waste; odor is effectively inhibited and dust emission is reduced in the construction process; the construction period is short and the efficiency is high.
Description
Technical Field
The utility model relates to the technical field of earthwork treatment, in particular to an earthwork treatment device for a refuse landfill.
Background
The garbage disposal method can be generally divided into several methods such as sanitary landfill, incineration, composting and the like. The refuse landfill is a refuse centralized stacking site adopting a sanitary landfill mode, and the refuse sanitary landfill is widely applied in China due to low cost and good sanitary degree. The refuse landfill is generally treated in a layered earthing and landfill mode, and a layer of loess is covered after a layer of refuse is stacked, so that the pollution of the refuse is easily reduced; a large amount of miscellaneous filling soil exists in the earthwork of the refuse landfill, and the miscellaneous filling soil and slurry soil need to be cured before construction; the efficiency of processing miscellaneous filling soil in the prior art is low, and the actual requirement can not be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background technology, the utility model provides an earthwork treatment device of a refuse landfill, which has the advantages that the materials in an operation area are used, the cyclic utilization is realized, and new wastes are not generated; odor is effectively inhibited and dust emission is reduced in the construction process; short construction period and high efficiency.
In order to solve the technical problem, the utility model provides an earthwork treatment device of a refuse landfill, which comprises a miscellaneous fill treatment component, a sludge layer treatment component and a backfill treatment component;
the miscellaneous fill processing assembly comprises a surface cleaning device, a deodorization dust-settling device, a screening processing device, a water seepage processing device, a curing agent preparation device and a first stirring device;
the sludge layer treatment assembly comprises a pre-detection device, a curing agent manufacturing device, a second stirring device and a curing tedding device.
Preferably, the surface cleaning device comprises an excavator, and the surface cleaning device is used for cleaning reeds, weeds and household garbage on the surface of the landfill and carrying out classified centralized treatment;
the deodorization dust-settling device comprises a fog machine, and is provided with a plurality of groups of up-down wind directions which are respectively arranged in a landfill area;
the screening treatment device comprises a belt conveyor and a roller type screening machine, wherein a feed hopper is arranged on the belt conveyor, and the belt conveyor supplies materials towards the roller type screening machine;
the water seepage treatment device comprises a plurality of water pumps and water pipes;
the curing agent preparation device is used for trial preparation of a curing agent formula;
the first stirring device is provided with a variable frequency motor, and the stirring device is used for stirring the muck and the curing agent.
Preferably, a dosing box for adding a deodorant is arranged on the mist sprayer.
Preferably, the pre-detection device comprises a block delimiting unit and a digging machine;
the curing agent manufacturing device manufactures the curing agent on site and pumps the curing agent to the curing site through a pipeline by an embolism pump;
the second stirring device comprises a buoyancy tank crawler-type excavator configured with a double-wheel mill stirrer and can stir the curing agent and the turned regional sludge.
Preferably, the backfill processing assembly carries out layered backfill, and the backfill processing assembly carries out cleaning and compaction on a backfill foundation, wherein the compaction is not less than 3 times.
Preferably, after the dredging treatment is finished, the sludge layer is treated by adopting an in-situ curing technology; the curing depth is not less than 2 m.
The technical scheme of the utility model has the following beneficial technical effects:
1. before excavation, a deodorizing microbial inoculum is sprayed on the surface of the field, and odor molecules are rapidly decomposed under the action of the active microbial inoculum, so that the odor concentration in the excavation process is reduced. In the excavation process, according to foul smell concentration, arrange big gun fog machine at the upper and lower wind direction in the landfill district, the deodorant is shone in the spraying, ensures can not cause the influence to peripheral resident, and big gun fog machine can the effective control raise dust in the work progress simultaneously.
2. Screening treatment: digging out the miscellaneous fill soil by using a digging machine, screening the miscellaneous fill soil by using a screening feeding hopper, conveying the miscellaneous fill soil to a drum-type screening machine by using a belt conveyor, screening out waste metal and plastic waste products, and classifying and packaging the waste metal and plastic waste products; the waste with high calorific value of the dead-branch weeds and plastics is transported to a power plant for incineration or sent to a garbage regeneration center; the brick, tile and stone are selected according to the utilization value; the screened dregs fall into a lifting hopper, are conveyed to a forced stirrer by a screw conveyor, and are mixed and stirred with a curing agent.
3. The utility model uses the material of the operation area, realizes the recycling and does not generate new waste; odor is effectively inhibited and dust emission is reduced in the construction process; the construction period is short and the efficiency is high.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic view of the process of filling soil with impurities according to the present invention;
FIG. 3 is a schematic view showing a flow of sludge layer treatment in the present invention;
FIG. 4 is a schematic view of the treatment method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the earthwork treatment device of a refuse landfill provided by the utility model comprises a miscellaneous fill treatment component, a sludge layer treatment component and a backfill treatment component;
the miscellaneous fill processing assembly comprises a surface cleaning device, a deodorization dust-settling device, a screening processing device, a water seepage processing device, a curing agent preparation device and a first stirring device;
the sludge layer treatment assembly comprises a pre-detection device, a curing agent manufacturing device, a second stirring device and a curing tedding device.
In this embodiment, the surface cleaning device comprises a digging machine, and the surface cleaning device is used for cleaning the surface reeds, weeds and domestic garbage of the landfill and carrying out classification and centralized treatment.
The deodorization dust settling device is a fog gun, and is provided with a plurality of groups of upper and lower wind directions which are respectively installed in the landfill area.
Screening processing apparatus includes belt feeder and drum-type screening machine, install the feeder hopper on the belt feeder, the belt feeder orientation the drum-type screening machine feed.
The water seepage treatment device comprises a plurality of water pumps and water pipes.
The curing agent preparation device is used for trial preparation of a curing agent formula.
The first stirring device is provided with a variable frequency motor and stirs the muck and the curing agent.
In this embodiment, the mist sprayer is provided with a dosing box for adding a deodorant.
In this embodiment, the pre-detection device includes a block dividing unit and a shovel;
the curing agent manufacturing device manufactures the curing agent on site and pumps the curing agent to the curing site through a pipeline by an embolism pump.
The second stirring device is for example provided with a double-wheel mill mixer for a pontoon crawler excavator and stirs the curing agent and the stirred area sludge.
In the embodiment, the backfill processing assembly carries out layered backfill, and the backfill processing assembly carries out cleaning and compaction on the backfill foundation, wherein the compaction is not less than 3 times, and can be 3-10 times, for example.
In this embodiment, after the dredging treatment is completed, the sludge layer is treated by an in-situ curing technique; the curing depth is not less than 2 m.
Referring to fig. 4, an embodiment of the present invention further provides a method for processing earthwork in a refuse landfill, including:
s1, cleaning sundries on the surface of the landfill site by using a digging machine, classifying according to different classes, and then classifying and carrying out centralized processing;
s2, spraying a deodorizing bactericide on the ground surface before excavation, arranging a mist spraying machine in the vertical wind direction of the landfill area, and spraying a deodorant;
s3, digging out the miscellaneous fill by using a digging machine, feeding the miscellaneous fill into a screening treatment feeding hopper, conveying the miscellaneous fill to a drum-type screening machine by a belt conveyor, and screening;
s4, pumping low seepage water generated in the foundation pit after excavation to a sewage pipe network by using a water pump, and concentrating treatment of a sewage treatment plant;
s5, taking a residue soil sample, trial-preparing a formula of the waste soil curing agent, and determining the formula according to an experimental result;
s6, preparing a curing agent production line, and outputting the curing agent for use by a screw conveyer;
s7, controlling the addition amount of the curing agent through a variable frequency motor according to the harmless mixing amount ratio of the waste soil and the flow rate of a muck hoister, and simultaneously feeding the muck and the curing agent into a forced stirrer to fully and uniformly stir the muck and the curing agent when the muck and the curing agent are discharged from a bin;
s8, mixing the muck and the curing agent and stacking the mixture to consume and degrade organic pollutants and trace elements in the muck; passivating and decomposing heavy metal ions and pathogenic bacteria, adjusting and controlling the treated mixed material according to the compactness requirement until the water content reaches the target, and backfilling.
In step S1, the sundries may include, but are not limited to, reed, weeds, household garbage, and the like. When the waste materials are classified and treated in a centralized way, the waste materials with higher heat value can be transported to a power plant for incineration.
In step S2, before excavation, a deodorizing agent is sprayed on the surface of the site, and odor molecules are rapidly decomposed by the active agent, thereby reducing the odor concentration during excavation. In the excavation process, according to foul smell concentration, arrange big gun fog machine at the upper and lower wind direction in the landfill district, the deodorant is shone in the spraying, ensures can not cause the influence to peripheral resident, and big gun fog machine can the effective control raise dust in the work progress simultaneously.
In step S3, screening waste metal and plastic waste, and sorting and packaging; the waste with high calorific value of the dead-branch weeds and plastics is transported to a power plant for incineration or sent to a garbage regeneration center; the brick, tile and stone are selected according to the utilization value; the screened dregs fall into a lifting hopper, are conveyed to a forced stirrer by a screw conveyor, and are mixed and stirred with a curing agent.
In step S4, water seepage: the low seepage water generated in the foundation pit after excavation is influenced by the water level below the foundation pit, and is pumped to a sewage pipe network by using a water pump to concentrate the treatment of a sewage treatment plant.
In step S5, a certain amount of muck sample is taken to perform laboratory tests, the water content, specific gravity and component condition of the soil are determined, the formula of the curing agent for the waste soil is prepared by trial according to the test results and the resource requirements, and a better formula is determined according to the test results.
In step S6, the curing agent production line is prepared in the field at the curing background according to the formulation ratio of the laboratory curing agent. The curing agent is prepared strictly according to the formula ratio by a precise metering device and is output by a screw conveyor for use.
In step S7, according to the harmless mixing amount ratio of the garbage soil and the flow rate of the muck hoister, the adding amount of the curing agent is controlled through a variable frequency motor, and the muck and the curing agent are fed into a forced stirrer, fully and uniformly stirred when being discharged from a bin, fall to a belt conveyor for output, and are placed still for stacking.
In step S8, the muck is stacked after being mixed with the curing agent, and organic pollutants and trace elements in the muck are consumed and degraded under the action of the curing agent; the heavy metal ions and pathogenic bacteria in the waste residue are passivated and decomposed to meet the requirements of national relevant standards, so that the waste residue is treated in a harmless and stable manner. And adjusting and controlling the treated mixed material to have a water content of 20% according to the requirement of compactness, and backfilling, wherein the water content can be set according to actual needs, for example, can be 10-30%.
In addition, the embodiment of the utility model also comprises: after the above process, the construction of the sludge layer is carried out, which comprises: 1. construction preparation: dividing blocks. The range of the solidified sludge region may be, for example, 10mX10m, or may be, for example, a rectangular range having a length and a width of 1 to 20m, and the water content, the volume weight, or the like of the stockpiled sludge may be measured. And (9) excavating. The defined area is simply dug to obtain the condition of filling sludge, so that later curing and stirring operation is facilitated; and leveling the foundation of the low-lying part to ensure that the curing construction is finally integrated. Before starting work, the equipment is overhauled comprehensively, and the equipment is guaranteed to operate well.
2. Preparing a curing agent: according to the sludge treatment requirement, the laboratory test components are sampled by combining the sludge soil condition and equipment model selection, and the formula and the type of the curing agent are determined. Secondly, according to the formula ratio of the curing agent, the curing agent is prepared on site at a curing background to prepare a curing wet agent, and the curing wet agent is pumped to a curing site for use by a plug pump through a pipeline.
3. Stirring operation: the curing agent is directly pumped to a curing operation area through a pipeline, and the curing agent and the sludge in the turning area are stirred by a double-wheel milling and stirring device configured on the buoyancy tank crawler-type excavator. The pile bodies are connected into a whole, the lap joint of each curing operation is not less than 20cm, and the curing of the sludge tank is not missed.
4. Maintaining and tedding: (1) digging and crushing the sludge solidification area by using a digging machine, digging into a screening machine to convey a hopper, and screening out sundries and industrial waste in the sludge solidification soil. (2) And (4) simply spreading and tedding the screened solidified soil by using an excavator, and quickly reducing the water content to below 40% after a certain period of maintenance. (3) And then, screening and classifying the solidified soil after the sludge solidification treatment according to a miscellaneous filling process to prepare the backfill material meeting the requirements.
After the construction is carried out on the sludge layer, the method also comprises the following steps:
and (3) backfilling foundation treatment: according to the design elevation requirement, after the miscellaneous fill is dug, the backfill foundation is cleaned and compacted for not less than 3-4 times so as to ensure the bearing capacity requirement of the backfill foundation. According to the design of the backfill foundation elevation, if the backfill foundation is still a sludge layer after the excavation treatment and the miscellaneous fill is finished and the bearing capacity requirement of the backfill foundation cannot be met, the backfill foundation is treated by adopting an in-situ curing technology, the treatment depth is additionally set according to the depth of the sludge layer and the bearing capacity requirement after the treatment, and the backfill foundation can be usually cured for 1-2 m. And then carrying out layered backfilling, dehydrating, reducing and harmlessly treating the residue soil and the sludge according to the quality requirement of the backfilled soil, and when the water content is close to the optimal water content, uniformly paving the backfilled soil formed after the solidification treatment to a field-level backfilling foundation by using a forklift and a paver. The thickness of each virtual layer is 300mm, each layer is compacted for 6-8 times, and the compaction coefficient is ensured to meet the backfill quality requirement. And backfilling layer by layer until backfilling reaches the design elevation of the field level.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. The earthwork treatment device of the refuse landfill is characterized by comprising a miscellaneous landfill treatment component, a sludge layer treatment component and a backfill treatment component;
the miscellaneous fill processing assembly comprises a surface cleaning device, a deodorization dust-settling device, a screening processing device, a water seepage processing device, a curing agent preparation device and a first stirring device;
the sludge layer treatment assembly comprises a pre-detection device, a curing agent manufacturing device, a second stirring device and a curing tedding device.
2. The landfill earthmoving equipment of claim 1,
the surface cleaning device comprises an excavator, and is used for cleaning reeds, weeds and household garbage on the surface of the landfill and carrying out classified centralized treatment;
the deodorization dust-settling device comprises a fog machine, and is provided with a plurality of groups of up-down wind directions which are respectively arranged in a landfill area;
the screening treatment device comprises a belt conveyor and a roller type screening machine, wherein a feed hopper is arranged on the belt conveyor, and the belt conveyor supplies materials towards the roller type screening machine;
the water seepage treatment device comprises a plurality of water pumps and water pipes;
the curing agent preparation device is used for trial preparation of a curing agent formula;
the first stirring device is provided with a variable frequency motor, and the stirring device is used for stirring the muck and the curing agent.
3. The landfill earthwork treatment apparatus according to claim 2, wherein the fog gun is provided with a dosing tank for adding a deodorant.
4. The landfill earthmoving equipment of claim 1,
the pre-detection device comprises a block dividing unit and an excavator;
the curing agent manufacturing device manufactures the curing agent on site and pumps the curing agent to the curing site through a pipeline by an embolism pump;
the second stirring device comprises a buoyancy tank crawler-type excavator configured with a double-wheel mill stirrer and can stir the curing agent and the turned regional sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067033.XU CN216126292U (en) | 2021-05-18 | 2021-05-18 | Landfill earthwork processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067033.XU CN216126292U (en) | 2021-05-18 | 2021-05-18 | Landfill earthwork processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216126292U true CN216126292U (en) | 2022-03-25 |
Family
ID=80765693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121067033.XU Active CN216126292U (en) | 2021-05-18 | 2021-05-18 | Landfill earthwork processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216126292U (en) |
-
2021
- 2021-05-18 CN CN202121067033.XU patent/CN216126292U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105000783B (en) | Pipe duct sludge reduction and innocent treatment technology and device | |
| CN102092916B (en) | Biological solidification and stabilization method of bottom mud in riverways and lakes | |
| CN106699069A (en) | Low-intensity groove concrete produced by using red brick construction wastes and construction technology of low-intensity groove concrete | |
| CN104858048A (en) | Residue soil environmental regenerating retreatment method and equipment by adoption of earth pressure balance shield | |
| CN101913788A (en) | Method for comprehensively treating construction waste | |
| CN103978024A (en) | Landfill method capable of synchronously stabilizing chromium-containing soil and household garbage | |
| CN108929004A (en) | Sludge in-situ stabilizes solidification construction technology | |
| CN113415969A (en) | Integrated treatment and filler utilization method for waste mud or slag in power grid construction | |
| CN204769087U (en) | Earth pressure balance shield dregs environmental protection regeneration treatment equipment | |
| CN106348552A (en) | Industrial sludge solid waste treatment method | |
| CN113385516A (en) | Method and device for processing earthwork of refuse landfill | |
| KR101075395B1 (en) | Apparatus for treating contaminated sediment using a plant separating aggregate and a plant improving soil and method therof | |
| KR100872058B1 (en) | Processing device of high-density slurry happening in construction working place | |
| CN216126292U (en) | Landfill earthwork processing apparatus | |
| US5324138A (en) | In situ process for increasing the capacity of a municipal solid waste landfill | |
| CN217451470U (en) | Integrated restoration system for polluted site | |
| CN204661518U (en) | River heavy metal polluted bed mud dystopy governing system | |
| CN214767735U (en) | Decomposition system of high water content building dregs | |
| KR20190101740A (en) | Method for forming barrier layer and bottom liner of waste landfill including quantifiedsolidification soil preparation method and using the same | |
| CN113522946A (en) | Novel soil improvement treatment system, process and application | |
| CN210597200U (en) | Device for fluidized treatment of dredged sludge | |
| CN202415348U (en) | Movable type sludge solidification treatment device | |
| CN212198957U (en) | Building mud solidification processing system | |
| RU2712526C1 (en) | Method of recycling domestic and industrial wastes | |
| CN210546980U (en) | Modularization building rubbish resourceful complete sets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |