CN110756553A - Construction waste treatment method for building construction - Google Patents
Construction waste treatment method for building construction Download PDFInfo
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- CN110756553A CN110756553A CN201911048278.5A CN201911048278A CN110756553A CN 110756553 A CN110756553 A CN 110756553A CN 201911048278 A CN201911048278 A CN 201911048278A CN 110756553 A CN110756553 A CN 110756553A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
Abstract
The invention discloses a construction waste treatment method for building construction, and particularly relates to the field of waste treatment, wherein the treatment method specifically comprises the following steps: sorting/partition accumulation, partition excavation, material addition, water spraying, waste material crushing and sorting treatment. According to the invention, by adding the garbage classified stack and the quicklime powder and matching with the water mist produced by the water mist dust settling and dust suppressing equipment in each step, the problem that dust and sand fly to seriously pollute the environment in the building process can be effectively solved, various types of garbage can be sterilized, the problem of peculiar smell caused by bacterial breeding can be solved, and meanwhile, the classified waste materials obtained in each step can be recycled, so that the coordination between a construction site and the surrounding environment can be achieved, the environment polluted by the building garbage cannot be remained, the building garbage can be reasonably recycled, and the waste of recyclable materials can be avoided.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a construction garbage treatment method for building construction.
Background
The construction waste refers to residue, waste soil, waste material, residual mud and other wastes generated in the process of constructing, laying, dismantling and repairing various buildings, structures, pipe networks and the like by construction and construction units or individuals. The construction waste can be classified into engineering residue soil, decoration waste, demolition waste, engineering slurry and the like according to the production source; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition.
The quantity of the construction waste accounts for 30 to 40 percent of the total quantity of the municipal waste. However, most of the construction wastes are not treated, and are transported to the suburbs or villages by construction units, and are piled or buried in the open air, so that a large amount of construction expenses such as land acquisition expenses and garbage clearing and transporting expenses are consumed, and meanwhile, the problems of scattering, dust, sand flying and the like in the clearing and piling processes cause serious environmental pollution. The site selection of most urban building garbage stacking places is random to a great extent, and a great number of potential safety hazards are left.
Because of the building rubbish is depositing the in-process, often can produce peculiar smell (especially the rotten smelly of abandoning soil area) because of breeding of bacterium, and current job site can not accomplish again and handle the construction rubbish that produces on the same day in time, not only can reduce the surrounding environment and workman construction environment quality, can cause the waste of part recyclable material moreover.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a construction waste disposal method for building construction, which can effectively solve the problems of peculiar smell generated by construction waste, construction dust emission and waste of recyclable materials.
In order to achieve the purpose, the invention provides the following technical scheme: a construction waste treatment method for building construction specifically comprises the following steps:
the method comprises the following steps: sorting/zone stacking: the garbage generated by building construction is manually classified and stacked according to the garbage types: the spoil accumulation area, the wood board, the plastic accumulation area and the reinforced concrete block accumulation area are placed in different areas, so that the subsequent treatment in different modes can be conveniently carried out according to different garbage materials, water mist is produced by water mist dust settling and dust suppression equipment in the period, the dust flying caused in the garbage accumulation process is reduced, and the construction environment is ensured;
step two: carrying out separated excavation, namely excavating gullies in the spoil accumulation area, dividing the spoil accumulation area into a plurality of block-shaped areas, increasing the contact area of spoil and air, facilitating the subsequent addition of quicklime powder, avoiding the internal part from being contacted with the quicklime powder due to concentrated accumulation, and producing water mist by water mist dust settling and dust suppressing equipment during the process, so that the flying of dust in the excavation process of the spoil accumulation area is reduced, and the construction environment is ensured;
step three: adding materials: spreading quicklime powder to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area formed in the step one and the block waste soil accumulation area formed in the step two;
step four: sprinkling: water mist is produced by water mist dust settling and suppression equipment, water mist spraying is carried out on each area after the third step, the characteristic that quicklime reacts with water to generate heat and calcium hydroxide generated by the reaction are used for sterilizing each accumulation area, and the generated calcium hydroxide can improve acidic substances in the spoil, increase the content of carbon elements in the spoil and ensure the planting environment when the follow-up spoil is reused;
step five: crushing waste materials: crushing waste materials accumulated in a reinforced concrete block accumulation area by using a crushing device, and then separating concrete fragments from the reinforced concrete waste materials by using a magnetic separation device, wherein water mist is produced by water mist dust settling and suppression equipment in the process;
step six: and (4) classification treatment: the concrete fragments, the waste steel bars, the waste soil, the wood boards and the plastics are respectively classified.
In a preferred embodiment, the interval between ravines in the second step is set to 1.5-1.8m, and the width of ravines is set to 30-50 cm.
In a preferred embodiment, the quicklime powder usage amount of the wood board, the plastic piling area and the reinforced concrete block piling area in the third step is set to be 0.15-0.3kg/m3。
In a preferred embodiment, the quicklime powder usage amount of the blocky spoil accumulation area in the third step is set to be 0.03-0.05kg/m3。
In a preferred embodiment, the water mist dust suppression and suppression device is set as a dust suppression fog gun machine, and the sprinkling time in the fourth step is set to be 10-15 min.
In a preferred embodiment, the crushing device in step five is provided as a jaw crusher.
In a preferred embodiment, the magnetic separation device in the fifth step is set as a magnetic separator.
The invention has the technical effects and advantages that:
according to the invention, by adding the garbage classified stack and the quicklime powder and matching with the water mist produced by the water mist dust settling and dust suppressing equipment in each step, the problem that dust and sand fly to seriously pollute the environment in the building process can be effectively solved, various types of garbage can be sterilized, the problem of peculiar smell caused by bacterial breeding can be solved, and meanwhile, the classified waste materials obtained in each step can be recycled, so that the coordination between a construction site and the surrounding environment can be achieved, the environment polluted by the building garbage cannot be remained, the building garbage can be reasonably recycled, and the waste of recyclable materials can be avoided.
Drawings
FIG. 1 is an overall process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the present invention provides a construction waste disposal method for building construction, which specifically comprises the following steps:
the method comprises the following steps: sorting/zone stacking: the garbage generated by building construction is manually classified and stacked according to the garbage types: a spoil accumulation area, a wood board, a plastic accumulation area and a reinforced concrete block accumulation area, wherein water mist is produced by water mist dust settling and suppression equipment;
the waste soil produced by excavation in building construction, the disassembled wood boards, the plastic, the crushed concrete and the concrete which is not used up are respectively stacked in different areas and are independently placed in the same type, and during the period, water mist dust settling and suppression equipment is adopted to produce water mist in the loading or unloading process, so that the flying of floating dust and dust in the loading and unloading process can be effectively reduced, and the use environment is ensured;
step two: adding materials: for the wood board formed in the step one,Quicklime powder is thrown in the plastic accumulation area, the reinforced concrete block accumulation area and the spoil accumulation area, and the usage amount of the quicklime powder in the wood board, the plastic accumulation area and the reinforced concrete block accumulation area is set to be 0.15-0.3kg/m3The usage amount of the quicklime powder in the spoil accumulation area is set to be 0.03-0.05kg/m3；
Quicklime powder is thrown to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area, and the lime powder can fall into the accumulation area along the gap of the mutual contact positions of the lime powder, so that the effective contact area of the lime powder with the wood board, the plastic accumulation area and the reinforced concrete block accumulation area is ensured;
step three: sprinkling: water mist is produced by water mist dust settling and suppressing equipment, water mist spraying is carried out on each area after the third step, the water mist dust settling and suppressing equipment is set as a dust settling mist gun machine, and the water spraying time is set to be 10-15 min;
utilizes the reaction of quicklime (effective component calcium oxide) with water (chemical formula: CaO + H)2O→Ca（OH）2) The characteristic of generating heat, the calcium hydroxide that the reaction produced is to spoil accumulation zone, plank, plastics accumulation zone and reinforced concrete piece accumulation zone sterilize, effectively reduce because of the peculiar smell production that bacterial growing caused, the calcium hydroxide solution infiltration spoil is inside distinguishing, can improve the acid material in the spoil because of self being alkaline material, increase the carbon element content in the spoil, the planting environment when guaranteeing follow-up spoil to reuse, and the calcium hydroxide solution that produces remains on plank, plastics or reinforced concrete surface and contacts with carbon dioxide in the air and takes place the reaction (chemical formula: ca (OH)2+CO2→CaCO3+H2O), a layer of film can be formed on the surface of the wood board, the plastic or the reinforced concrete by means of drying and crystallization, so that the contact effect of air is reduced, the corrosion speed of the reinforced steel bar and the re-proliferation speed of bacteria are reduced, the price is low, the method is economical and practical, and the cost of the treatment method is ensured;
step four: crushing waste materials: crushing waste materials accumulated in a reinforced concrete block accumulation area by using a crushing device, wherein the crushing device is set as a jaw crusher, then separating concrete fragments from the reinforced concrete waste materials by using a magnetic separation device, the magnetic separation device is set as a magnetic separator, and water mist is manufactured by water mist dust settling and suppression equipment in the process;
the jaw crusher is adopted to crush the reinforced concrete blocks with large block diameters, so that the reinforced materials and the concrete can be separated, and the concrete fragments and the reinforced waste materials can be separated by the screening function of the magnetic material and the iron element material in the magnetic separator, so that the subsequent centralized treatment is facilitated;
step five: and (4) classification treatment: respectively classifying the concrete fragments, the waste steel bars, the waste soil, the wood boards and the plastics;
the broken concrete fragments can be used as road repairing ingredients, and are supplied by roadbed backfill, water stabilizing layer materials and the like, so that the concrete waste generated by the building can be recycled, and the broken concrete fragments can have a good combination effect with concrete in the subsequent pavement repairing process; the steel bar waste, the plastic and the wood board waste can be sold, the steel bar waste can be used as raw materials for refining steel bars, the plastic waste can be recycled, the wood board can be used for producing plywood or pressed board raw materials by manufacturers for recycling, environmental pollution can not be caused, in addition, the waste soil in a waste soil area can be neutralized by the alkalinity of calcium hydroxide to the acidity of soil, crop growth is facilitated, the solubility of the calcium hydroxide is low, the addition of a small amount of quicklime powder can not cause damage to the soil, the soil can be easily formed into a granular structure and used in an area to be backfilled (such as pavement remediation of a low-lying area, planting soil of garden on two sides of a roadbed and backfilling soil use, particularly the backfilling soil used in the existing ecological slope protection concrete remediation of a dam), the soil is loosened to facilitate the plant growth, and a plurality of inorganic salt calcium elements can be provided for plants, promoting the growth of plant cell walls.
Example 2:
the invention provides a construction waste treatment method for building construction, which specifically comprises the following steps:
the method comprises the following steps: sorting/zone stacking: the garbage generated by building construction is manually classified and stacked according to the garbage types: a spoil accumulation area, a wood board, a plastic accumulation area and a reinforced concrete block accumulation area, wherein water mist is produced by water mist dust settling and suppression equipment;
the waste soil produced by excavation in building construction, the disassembled wood boards, the plastic, the crushed concrete and the concrete which is not used up are respectively stacked in different areas and are independently placed in the same type, and during the period, water mist dust settling and suppression equipment is adopted to produce water mist in the loading or unloading process, so that the flying of floating dust and dust in the loading and unloading process can be effectively reduced, and the use environment is ensured;
step two: carrying out separate excavation, namely carrying out gully excavation on the spoil accumulation area, setting gully interval to be 1.5-1.8m and gully width to be 30-50cm, dividing the spoil accumulation area into a plurality of block areas, and manufacturing water mist by water mist dust settling and dust suppression equipment;
the method has the advantages that gully excavation is conducted on the spoil accumulation area, so that the contact area between the spoil and the outside can be increased, when the subsequent quicklime powder is thrown, the effective contact area can be increased, the phenomenon that the inside cannot contact the quicklime powder due to concentrated accumulation is avoided, water mist is produced by adopting water mist dust settling and suppression equipment in the gully excavation process in the process, flying of floating dust and dust during excavation can be effectively reduced, and the use environment is guaranteed;
step three: adding materials: throwing quicklime powder to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area formed in the step one and the blocky waste soil accumulation area formed in the step two, wherein the usage amount of the quicklime powder in the wood board, the plastic accumulation area and the reinforced concrete block accumulation area is set to be 0.15-0.3kg/m3The usage amount of the quicklime powder in the block spoil accumulation area is set to be 0.03-0.05kg/m3；
Quicklime powder is thrown to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area, and the lime powder can fall into the accumulation area along the gap of the mutual contact positions of the lime powder, so that the effective contact area of the lime powder with the wood board, the plastic accumulation area and the reinforced concrete block accumulation area is ensured;
step four: sprinkling: water mist is produced by water mist dust settling and suppressing equipment, water mist spraying is carried out on each area after the third step, the water mist dust settling and suppressing equipment is set as a dust settling mist gun machine, and the water spraying time is set to be 10-15 min;
by reaction of quicklime (active ingredient calcium oxide) itself with water: (The chemical formula is as follows: CaO + H2O→Ca（OH）2) The characteristic of generating heat, the calcium hydroxide that the reaction produced is to spoil accumulation zone, plank, plastics accumulation zone and reinforced concrete piece accumulation zone sterilize, effectively reduce because of the peculiar smell production that bacterial growing caused, the calcium hydroxide solution infiltration spoil is inside distinguishing, can improve the acid material in the spoil because of self being alkaline material, increase the carbon element content in the spoil, the planting environment when guaranteeing follow-up spoil to reuse, and the calcium hydroxide solution that produces remains on plank, plastics or reinforced concrete surface and contacts with carbon dioxide in the air and takes place the reaction (chemical formula: ca (OH)2+CO2→CaCO3+H2O), a layer of film can be formed on the surface of the wood board, the plastic or the reinforced concrete by means of drying and crystallization, so that the contact effect of air is reduced, the corrosion speed of the reinforced steel bar and the re-proliferation speed of bacteria are reduced, the price is low, the method is economical and practical, and the cost of the treatment method is ensured;
step five: crushing waste materials: crushing waste materials accumulated in a reinforced concrete block accumulation area by using a crushing device, wherein the crushing device is set as a jaw crusher, then separating concrete fragments from the reinforced concrete waste materials by using a magnetic separation device, the magnetic separation device is set as a magnetic separator, and water mist is manufactured by water mist dust settling and suppression equipment in the process;
the jaw crusher is adopted to crush the reinforced concrete blocks with large block diameters, so that the reinforced materials and the concrete can be separated, and the concrete fragments and the reinforced waste materials can be separated by the screening function of the magnetic material and the iron element material in the magnetic separator, so that the subsequent centralized treatment is facilitated;
step six: and (4) classification treatment: respectively classifying the concrete fragments, the waste steel bars, the waste soil, the wood boards and the plastics;
the broken concrete fragments can be used as road repairing ingredients, and are supplied by roadbed backfill, water stabilizing layer materials and the like, so that the concrete waste generated by the building can be recycled, and the broken concrete fragments can have a good combination effect with concrete in the subsequent pavement repairing process; the steel bar waste, the plastic and the wood board waste can be sold, the steel bar waste can be used as raw materials for refining steel bars, the plastic waste can be recycled, the wood board can be used for producing plywood or pressed board raw materials by manufacturers for recycling, environmental pollution can not be caused, in addition, the waste soil in a waste soil area can be neutralized by the alkalinity of calcium hydroxide to the acidity of soil, crop growth is facilitated, the solubility of the calcium hydroxide is low, the addition of a small amount of quicklime powder can not cause damage to the soil, the soil can be easily formed into a granular structure and used in an area to be backfilled (such as pavement remediation of a low-lying area, planting soil of garden on two sides of a roadbed and backfilling soil use, particularly the backfilling soil used in the existing ecological slope protection concrete remediation of a dam), the soil is loosened to facilitate the plant growth, and a plurality of inorganic salt calcium elements can be provided for plants, promoting the growth of plant cell walls.
Example 3:
the invention provides a construction waste treatment method for building construction, which specifically comprises the following steps:
the method comprises the following steps: sorting/zone stacking: the garbage generated by building construction is manually classified and stacked according to the garbage types: a spoil accumulation area, a wood board, a plastic accumulation area and a reinforced concrete block accumulation area;
respectively stacking spoil produced by excavation in building construction, disassembled wood boards, plastics and crushed and unused concrete in different areas, and independently placing the spoil, the disassembled wood boards, the plastics and the crushed and unused concrete in the same type;
step two: carrying out separate excavation, namely carrying out gully excavation on the spoil accumulation area, setting the gully interval to be 1.5-1.8m and the gully width to be 30-50cm, and dividing the spoil accumulation area into a plurality of block areas;
the waste soil accumulation region is subjected to gully excavation, so that the contact area of waste soil and the outside can be increased, the effective contact area can be increased when the subsequent quicklime powder is thrown, and the condition that the inside cannot be contacted with the quicklime powder due to concentrated accumulation is avoided;
step three: adding materials: spreading quicklime powder to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area formed in the step one and the blocky waste soil accumulation area formed in the step two, and spreading quicklime powder to the raw stones in the wood board, the plastic accumulation area and the reinforced concrete block accumulation areaThe usage amount of the ash powder is set to be 0.15-0.3kg/m3The usage amount of the quicklime powder in the block spoil accumulation area is set to be 0.03-0.05kg/m3；
Quicklime powder is thrown to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area, and the lime powder can fall into the accumulation area along the gap of the mutual contact positions of the lime powder, so that the effective contact area of the lime powder with the wood board, the plastic accumulation area and the reinforced concrete block accumulation area is ensured;
step four: sprinkling: water mist is produced by water mist dust settling and suppressing equipment, water mist spraying is carried out on each area after the third step, the water mist dust settling and suppressing equipment is set as a dust settling mist gun machine, and the water spraying time is set to be 10-15 min;
utilizes the reaction of quicklime (effective component calcium oxide) with water (chemical formula: CaO + H)2O→Ca（OH）2) The characteristic of generating heat, the calcium hydroxide that the reaction produced is to spoil accumulation zone, plank, plastics accumulation zone and reinforced concrete piece accumulation zone sterilize, effectively reduce because of the peculiar smell production that bacterial growing caused, the calcium hydroxide solution infiltration spoil is inside distinguishing, can improve the acid material in the spoil because of self being alkaline material, increase the carbon element content in the spoil, the planting environment when guaranteeing follow-up spoil to reuse, and the calcium hydroxide solution that produces remains on plank, plastics or reinforced concrete surface and contacts with carbon dioxide in the air and takes place the reaction (chemical formula: ca (OH)2+CO2→CaCO3+H2O), a layer of film can be formed on the surface of the wood board, the plastic or the reinforced concrete by means of drying and crystallization, so that the contact effect of air is reduced, the corrosion speed of the reinforced steel bar and the re-proliferation speed of bacteria are reduced, the price is low, the method is economical and practical, and the cost of the treatment method is ensured;
step five: crushing waste materials: crushing waste materials accumulated in the reinforced concrete block accumulation area by using a crushing device, wherein the crushing device is a jaw crusher, then separating concrete fragments from the reinforced concrete waste materials by using a magnetic separation device, and the magnetic separation device is a magnetic separator;
the jaw crusher is adopted to crush the reinforced concrete blocks with large block diameters, so that the reinforced materials and the concrete can be separated, and the concrete fragments and the reinforced waste materials can be separated by the screening function of the magnetic material and the iron element material in the magnetic separator, so that the subsequent centralized treatment is facilitated;
step six: and (4) classification treatment: respectively classifying the concrete fragments, the waste steel bars, the waste soil, the wood boards and the plastics;
the broken concrete fragments can be used as road repairing ingredients, and are supplied by roadbed backfill, water stabilizing layer materials and the like, so that the concrete waste generated by the building can be recycled, and the broken concrete fragments can have a good combination effect with concrete in the subsequent pavement repairing process; the steel bar waste, the plastic and the wood board waste can be sold, the steel bar waste can be used as raw materials for refining steel bars, the plastic waste can be recycled, the wood board can be used for producing plywood or pressed board raw materials by manufacturers for recycling, environmental pollution can not be caused, in addition, the waste soil in a waste soil area can be neutralized by the alkalinity of calcium hydroxide to the acidity of soil, crop growth is facilitated, the solubility of the calcium hydroxide is low, the addition of a small amount of quicklime powder can not cause damage to the soil, the soil can be easily formed into a granular structure and used in an area to be backfilled (such as pavement remediation of a low-lying area, planting soil of garden on two sides of a roadbed and backfilling soil use, particularly the backfilling soil used in the existing ecological slope protection concrete remediation of a dam), the soil is loosened to facilitate the plant growth, and a plurality of inorganic salt calcium elements can be provided for plants, promoting the growth of plant cell walls.
Example 4:
the treatment of construction waste was carried out by the treatment methods of examples 1 to 3 above, respectively, and the following results were obtained:
| soil treatment effect of spoil accumulation area | Garbage disposal process environment (compare with usual) | |
| Example 1 | Poor treatment effect of internal soil | No obvious dust raising and excellent construction environment |
| Example 2 | The treatment effect of the internal and external soil is uniform | No obvious dust raising and excellent construction environment |
| Example 3 | The treatment effect of the internal and external soil is uniform | The dust is more, and the construction area needs to take the gauze mask to get into |
As can be seen from the above table, the proportion of the treatment method in the embodiment 2 is moderate, the construction waste treated by the method has a uniform loose degree after spoil treatment, can be directly suitable for backfilling or reuse, has no peculiar smell, and has no obvious dust emission in the construction environment, and does not influence the normal operation of construction.
Finally, it should be noted that: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A construction waste treatment method for building construction is characterized by comprising the following steps: the processing method specifically comprises the following steps:
the method comprises the following steps: sorting/zone stacking: the garbage generated by building construction is manually classified and stacked according to the garbage types: a spoil accumulation area, a wood board, a plastic accumulation area and a reinforced concrete block accumulation area, wherein water mist is produced by water mist dust settling and suppression equipment;
step two: carrying out separate excavation, namely excavating gullies in the spoil accumulation area, dividing the spoil accumulation area into a plurality of block-shaped areas, and producing water mist by water mist dust settling and dust suppression equipment in the process;
step three: adding materials: spreading quicklime powder to the wood board, the plastic accumulation area and the reinforced concrete block accumulation area formed in the step one and the block waste soil accumulation area formed in the step two;
step four: sprinkling: water mist is produced by water mist dust settling and suppressing equipment, and water mist spraying is carried out on each area after the third step;
step five: crushing waste materials: crushing waste materials accumulated in a reinforced concrete block accumulation area by using a crushing device, and then separating concrete fragments from the reinforced concrete waste materials by using a magnetic separation device, wherein water mist is produced by water mist dust settling and suppression equipment in the process;
step six: and (4) classification treatment: the concrete fragments, the waste steel bars, the waste soil, the wood boards and the plastics are respectively classified.
2. The construction waste disposal method for building construction according to claim 1, wherein: in the second step, the interval between ravines is set to 1.5-1.8m, and the width of ravines is set to 30-50 cm.
3. The construction waste disposal method for building construction according to claim 1, wherein: the usage amount of the quicklime powder in the wood board, the plastic accumulation area and the reinforced concrete block accumulation area in the third step is set to be 0.15-0.3kg/m3。
4. The construction waste disposal method for building construction according to claim 1, wherein: the usage amount of the quicklime powder in the block spoil accumulation area in the third step is set to be 0.03-0.05kg/m3。
5. The construction waste disposal method for building construction according to claim 1, wherein: the water mist dust settling and suppressing equipment is set as a dust settling fog gun machine, and the sprinkling time length in the fourth step is set to be 10-15 min.
6. The construction waste disposal method for building construction according to claim 1, wherein: and in the step five, the crushing device is set as a jaw crusher.
7. The construction waste disposal method for building construction according to claim 1, wherein: and the magnetic separation device in the fifth step is set as a magnetic separator.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207615A (en) * | 2021-03-29 | 2021-08-06 | 中建科技集团有限公司 | Preparation method of landscaping soil of mud cake obtained by separating muck from mud sand |
| CN113333424A (en) * | 2021-08-09 | 2021-09-03 | 北京建工资源循环利用投资有限公司 | Method for treating storage building garbage landfill stacking points |
| CN114870979A (en) * | 2022-03-17 | 2022-08-09 | 浙江广厦建设职业技术大学 | Recycling treatment method for construction solid waste garbage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299710A (en) * | 2000-09-18 | 2001-06-20 | 韩洪波 | Digesting treatment of city domestic garbage and sludge |
| CN101549351A (en) * | 2009-05-08 | 2009-10-07 | 深圳市绿发鹏程环保科技有限公司 | Building refuse treatment regeneration system |
| CN201511034U (en) * | 2009-05-08 | 2010-06-23 | 深圳市绿发鹏程环保科技有限公司 | Construction waste treatment regeneration system |
| CN107497828A (en) * | 2017-09-06 | 2017-12-22 | 宁波市北仑环保固废处置有限公司 | A kind of clinical waste chemical disinfection harmlessness disposing technique |
| CN107552548A (en) * | 2017-10-31 | 2018-01-09 | 陕西爱骨医疗股份有限公司 | Medical garbage sorting recovery method for innocent treatment |
-
2019
- 2019-10-30 CN CN201911048278.5A patent/CN110756553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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