CN105057320A - Process for disposing waste residue of engineering - Google Patents

Process for disposing waste residue of engineering Download PDF

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Publication number
CN105057320A
CN105057320A CN201510594305.4A CN201510594305A CN105057320A CN 105057320 A CN105057320 A CN 105057320A CN 201510594305 A CN201510594305 A CN 201510594305A CN 105057320 A CN105057320 A CN 105057320A
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CN
China
Prior art keywords
dregs
water
separation
waste residue
residue
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.)
Pending
Application number
CN201510594305.4A
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Chinese (zh)
Inventor
薛峰
周圣庆
陈竹
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Original Assignee
Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd filed Critical Nantong Tianlan Environmental Protection and Energy Equipment Co Ltd
Priority to CN201510594305.4A priority Critical patent/CN105057320A/en
Publication of CN105057320A publication Critical patent/CN105057320A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/58Construction or demolition [C&D] waste

Abstract

The invention discloses a process for disposing waste residue of engineering, and relates to the field of solid-waste recycling. The process comprises the following steps of: (1) magnetic separation: removing metal substances contained in the waste residue; (2) pre-sorting: sorting out light garbage from the waste residue by manual work; (3) separation of large residue blocks: adopting a roller sieve to separate the residue blocks with the particle diameter being more than 100mm to obtain the waste residue; (4) sieving: adopting a linear sieve to separate the waste residue into building residue blocks and pure waste residue; (5) mud-sand separation: taking the pure waste residue, adding water for mixing, and separating the sand and muddy water in a mud-sand separation machine; (6) mud-water separation: taking the muddy water, carrying out mud-water separation by a muddy-water dewatering machine so as to obtain muddy soil, and drying. The process disclosed by the invention has the advantages that the process is simple, the cost is low, the controllability is good, and reduction, harmlessness, recycling and industrialization of residue-soil disposal are realized.

Description

A kind of engineering dregs disposing technique
Technical field
The present invention relates to solid waste regeneration and utilize field, be specially a kind of engineering dregs disposing technique.
Background technology
In China in the past 20 ~ 30 years, solid waste mainly takes the mode of direct landfill or stacking, thus the lower huge building solid waste storage of accumulation.
Engineering dregs is mainly made up of, containing native ratio about about 60% earth, the mortar be scattered and broken concrete, the masonry picking cutter generation, old metal, bamboo timber and the waste material produced in decorating building fitment process, various packaging material and other discarded object etc.Owing to containing more alkaline concrete in dregs, pH value is up to 12-13, belongs to highly basic class, has a strong impact on the growth of crops, is generally used for dell landfill, disposes floor space larger.
Though there is fixing spoir point in major part city, along with the continuous expansion of urbanization process, the discharge capacity of engineering dregs adds year by year suddenly, has had a strong impact on urban environment, and government puts into effect relevant architecture sediment management method for this reason, requires reuse, centrally disposes.
Most of dregs air storage is main, after chronic sun exposure drenches with rain, in rubbish, harmful substance is entered in soil by alkaline matter, thus there occurs series of physical, chemistry, biological respinse, or absorb for root system of plant or absorbed by Microbe synthesis, cause the pollution of soil.
Engineering dregs in stacking process, the house refuse mixed, temperature, moisture etc. effect under, some organic substance decomposes, generation pernicious gas; Bacterium simultaneously in rubbish, dust are flown away, and cause the environmental pollution of air; A small amount of flammable light materials can produce poisonous material again, causes air pollution.
Engineering dregs is in stacking and landfill process, because of the house refuse fermentation that is mixed into and the shower of rainwater and the percolate produced with the immersion of surface water and groundwater or leachate, because composition is failed to understand, strong basicity, may cause the severe contamination of peripheral ground water and underground water.
Destroy the appearance of the city, worsen urban environmental hygiene; City discharge dregs takes up room greatly, it is unordered to stack, and has has even occupied multiple corners in city, has been degrading urban environmental hygiene, threatened the safety of the citizen masses, inharmonious with beautifying with the development pole of civilization of city, have impact on the image in city; Run in the opposite direction with the urban development theory of building a conservation-minded society, develop a circular economy.
Therefore, the centralization of municipal engineering dregs, recycling treatment is extremely urgent, and the process of current dregs is generally landfill or air storage, and this and urban sustainable development run in the opposite direction.
Summary of the invention
The object of the invention is for above problem, provide a kind of effectively, technique is simple, cost is low, handling good dregs method of disposal, realizes dregs process minimizing, innoxious, resource, industrialization.
The technical scheme realizing above-mentioned purpose is: a kind of engineering dregs disposing technique, is characterized in that, comprise the following steps:
(1) magnetic separation: remove the metallics contained in dregs;
(2) pre-sorting: go out the light refuse in dregs through manual sorting;
(3) large clinker is separated: the dregs after sorting enters rotary screen and isolates the clinker that particle diameter is greater than 100mm, obtains dregs;
(4) sieve: adopt straight line shaker dregs to be sieved into building clinker and pure dregs;
(5) silt be separated: get pure dregs add water mixing after, enter silt seperator and isolate sand and slime water;
(6) mud-water separation: get slime water and carry out mud-water separation by Dehydrator for Slurry, thus obtain earth, and natural drying.
Optimally, the earth that above-mentioned steps (6) produces carries out Acidity of Aikalinity detection, adds acid or alkaline matter according to monitoring result, controls pH value, obtains neutrality and can sell type earth.
Optimally, the clinker that above-mentioned steps (3) isolated particle diameter is greater than 100mm is delivered to treating construction waste factory to carry out recycling or is directly used as road surface base-material.
Optimally, be delivered to before treating construction waste factory carries out recycling or be directly used as road surface base-material, again light refuse sorting is carried out to the clinker of step (3) the isolated 100mm of being greater than.
Optimally, the sewage that Dehydrator for Slurry and the work of silt seperator produce is utilized by the source of recycled water transferring the process of engineering dregs after grid maker process to.
Beneficial effect of the present invention:
1, engineering dregs is stacked for a long time, contaminated soil, welding, and that effectively can improve dregs by this method of disposal huddles the confusion left about.
2, disposing technique is simple, and cost is low, handling good, realizes dregs process minimizing, innoxious, resource, industrialization.
3, beautifying urban environment health, improves the image in city; Echo mutually with the urban development theory of building a conservation-minded society, develop a circular economy.
4, dregs process industrialization, resource direction: A. can sell type neutral earth; B. type fine sand can be sold; C. building waste, Concrete brick etc. (transporting treating construction waste center to); D. lightweight thing, house refuse (transporting waste-to-energy plant to); E. the metallics (selling) such as a small amount of steel scrap muscle.
5, invest little, cost of labor is low: whole technological equipment investment is 1/2 of the investment of traditional architecture rubbish, and be manually generally 15-20 people, floor space is no more than 20 mu.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present invention.
Detailed description of the invention
The following examples can make the present invention of those of ordinary skill in the art's comprehend, but do not limit the present invention in any way.
As shown in Figure 1, a kind of engineering dregs disposing technique, comprises the following steps:
(1) magnetic separation: removed the metallics contained in dregs by magnetic separator 1;
(2) pre-sorting: go out the light refuse in dregs through manual sorting;
(3) large clinker is separated: the dregs after sorting enters rotary screen 2 and isolates the clinker that particle diameter is greater than 100mm, and again light refuse sorting is carried out to the clinker that particle diameter is greater than 100mm, be delivered to treating construction waste factory after sorting and carry out recycling or be directly used as road surface base-material.
(4) sieve: enter straight line shaker 3 after the dregs after step 3 processes, dregs is sieved into building clinker and pure dregs;
(5) silt is separated: the pure dregs that step 4 is sieved out adds water after mixing, enters silt seperator 4 and isolates sand and slime water;
(6) mud-water separation: step 5 is isolated slime water and carried out mud-water separation by Dehydrator for Slurry 5, thus obtain earth, and natural drying; The source of recycled water transferring the process of engineering dregs after the sewage that Dehydrator for Slurry 5 and silt seperator 4 work produce is processed by grid maker 6 to utilizes.
(7) earth that step (6) produces carries out Acidity of Aikalinity detection, adds acid or alkaline matter according to monitoring result, controls pH value, obtains neutrality and can sell type earth.

Claims (1)

1. an engineering dregs disposing technique, is characterized in that, comprises the following steps:
1) magnetic separation: remove the metallics contained in dregs;
2) pre-sorting: go out the light refuse in dregs through manual sorting;
3) large clinker is separated: adopt rotary screen separation removal particle diameter to be greater than the clinker of 100mm, obtain dregs;
4) sieve: adopt straight line shaker dregs to be sieved into building clinker and pure dregs;
5) silt be separated: get pure dregs add water mixing after, enter silt seperator and isolate sand and slime water;
6) mud-water separation: get slime water and carry out mud-water separation by Dehydrator for Slurry, thus obtain earth, and dry.
CN201510594305.4A 2015-09-18 2015-09-18 Process for disposing waste residue of engineering Pending CN105057320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510594305.4A CN105057320A (en) 2015-09-18 2015-09-18 Process for disposing waste residue of engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510594305.4A CN105057320A (en) 2015-09-18 2015-09-18 Process for disposing waste residue of engineering

Publications (1)

Publication Number Publication Date
CN105057320A true CN105057320A (en) 2015-11-18

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Country Status (1)

Country Link
CN (1) CN105057320A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623368A (en) * 2017-01-07 2017-05-10 长沙锦佳环保科技有限公司 Innocent treatment method for shield tunneling residue soil
CN107234126A (en) * 2017-07-19 2017-10-10 苏林锋 Architecture sediment nuisanceless disposal and the method for regeneration
CN107694738A (en) * 2017-08-22 2018-02-16 广东中态绿城建筑淤泥渣土实业有限公司 A kind of construction waste recoverying and utilizing method
WO2018064878A1 (en) * 2016-09-26 2018-04-12 深圳申佳原环保科技有限公司 System for industrializedly processing silt and muck
CN108080396A (en) * 2017-12-14 2018-05-29 付朝品 A kind of primary dregs regeneration method
CN110052480A (en) * 2019-05-24 2019-07-26 深圳市广粤量行咨询服务有限公司 The processing method of dregs processing system
CN111195974A (en) * 2020-03-18 2020-05-26 绍兴上虞丙方环保设备有限公司 Recovery device for treating engineering muck
CN111346896A (en) * 2020-02-14 2020-06-30 深圳市华域环保科技有限公司 Movable simple muck grading production process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101579655A (en) * 2009-06-17 2009-11-18 西藏阿里华峰矿业公司 Purifying method of salt lake boron rock and equipment
JP2013086091A (en) * 2011-10-14 2013-05-13 Yahata:Kk Advanced recycling system for construction waste applying wet type washing, crushing and sorting technology
CN103359965A (en) * 2013-07-02 2013-10-23 大理兆平建筑垃圾处理有限责任公司 Method for producing sand for making brick from construction waste
CN103708703A (en) * 2014-01-22 2014-04-09 杨才千 System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry
CN203844014U (en) * 2014-04-30 2014-09-24 山东米科思机械设备有限公司 Concrete recycling station
CN104446202A (en) * 2014-11-27 2015-03-25 魏云峰 Disposal method for reusing highly-compound construction waste

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101579655A (en) * 2009-06-17 2009-11-18 西藏阿里华峰矿业公司 Purifying method of salt lake boron rock and equipment
JP2013086091A (en) * 2011-10-14 2013-05-13 Yahata:Kk Advanced recycling system for construction waste applying wet type washing, crushing and sorting technology
CN103359965A (en) * 2013-07-02 2013-10-23 大理兆平建筑垃圾处理有限责任公司 Method for producing sand for making brick from construction waste
CN103708703A (en) * 2014-01-22 2014-04-09 杨才千 System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry
CN203844014U (en) * 2014-04-30 2014-09-24 山东米科思机械设备有限公司 Concrete recycling station
CN104446202A (en) * 2014-11-27 2015-03-25 魏云峰 Disposal method for reusing highly-compound construction waste

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018064878A1 (en) * 2016-09-26 2018-04-12 深圳申佳原环保科技有限公司 System for industrializedly processing silt and muck
CN106623368A (en) * 2017-01-07 2017-05-10 长沙锦佳环保科技有限公司 Innocent treatment method for shield tunneling residue soil
CN107234126A (en) * 2017-07-19 2017-10-10 苏林锋 Architecture sediment nuisanceless disposal and the method for regeneration
CN107694738A (en) * 2017-08-22 2018-02-16 广东中态绿城建筑淤泥渣土实业有限公司 A kind of construction waste recoverying and utilizing method
CN108080396A (en) * 2017-12-14 2018-05-29 付朝品 A kind of primary dregs regeneration method
CN108080396B (en) * 2017-12-14 2020-09-22 付朝品 Method for recycling native residue soil
CN110052480A (en) * 2019-05-24 2019-07-26 深圳市广粤量行咨询服务有限公司 The processing method of dregs processing system
CN111346896A (en) * 2020-02-14 2020-06-30 深圳市华域环保科技有限公司 Movable simple muck grading production process
CN111195974A (en) * 2020-03-18 2020-05-26 绍兴上虞丙方环保设备有限公司 Recovery device for treating engineering muck

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Application publication date: 20151118