CN104690017B - Handling process is compressed in a kind of multistage leaching of house refuse - Google Patents

Handling process is compressed in a kind of multistage leaching of house refuse Download PDF

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Publication number
CN104690017B
CN104690017B CN201510069952.3A CN201510069952A CN104690017B CN 104690017 B CN104690017 B CN 104690017B CN 201510069952 A CN201510069952 A CN 201510069952A CN 104690017 B CN104690017 B CN 104690017B
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CN
China
Prior art keywords
leaching
bed reactor
leaching bed
sewage
handling process
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Expired - Fee Related
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CN201510069952.3A
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Chinese (zh)
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CN104690017A (en
Inventor
唐军
姚伟君
徐杰
殷凤超
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DALIAN TEDA ENVIRONMENTAL PROTECTION Co Ltd
Dalian Baoguang Energy Saving Air Conditioning Equipment Factory
Original Assignee
DALIAN TEDA ENVIRONMENTAL PROTECTION Co Ltd
Dalian Baoguang Energy Saving Air Conditioning Equipment Factory
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Application filed by DALIAN TEDA ENVIRONMENTAL PROTECTION Co Ltd, Dalian Baoguang Energy Saving Air Conditioning Equipment Factory filed Critical DALIAN TEDA ENVIRONMENTAL PROTECTION Co Ltd
Priority to CN201510069952.3A priority Critical patent/CN104690017B/en
Publication of CN104690017A publication Critical patent/CN104690017A/en
Application granted granted Critical
Publication of CN104690017B publication Critical patent/CN104690017B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

Abstract

The invention provides handling process is compressed in a kind of multistage leaching of novel household garbage, belong to field of domestic garbage treatment.The handling process includes two-stage leaching bed reactor, screw compressor, sewage-treatment plant and water circulation system.Rubbish enters multistage leaching bed, using sewage-treatment plant supernatant leaching, abundant drip washing is carried out under blade stirring action, obtain high organic content sewage and be collected process, two grades of woods solution also can be with continuation leaching, residual refuse is pushed and is dehydrated into filter pressing portion extrusion, makes msw water content be less than 40%.During realize in domestic waste can the removing of leaching component, residual refuse dehydration compacting, during produce organic wastewater and obtain aerobic or anaerobic treatment, the purpose of domestic waste rapidly and efficiently volume reduction decrement is realized by the effect of multiple process integrations.

Description

Handling process is compressed in a kind of multistage leaching of house refuse
Technical field
The invention belongs to field of domestic garbage treatment, is related to a kind of house refuse leaching compression handling process.
Background technology
With Chinese society and economy sustainable development and people's living standard continuous improvement, domestic waste by Year increases, and the characteristic such as high-moisture percentage, high organic becomes its intractable key factor, and a kind of very Jing is being sought in each department Ji, the Domestic Waste Minimization of energy-saving and environmental protection, stabilisation, resource technology.
In China, domestic waste, constituent content highest is food waste component (about 40%~70%), and this part is not The amount of clearing is increase only, and causes house refuse moisture content high, the content of organic matter is enriched, easily putrid and deteriorated, grows mosquitos and flies. In conventional landfill, compost or incineration disposal, fill the high COD concentration percolate for producing and seriously threateningly descend water security;At compost Reason is difficult stabilisation, and the cycle is longer and fertility is inadequate, and added value is low;Burning the house refuse low for calorific value, moisture is high needs Addition auxiliary fuel, investment operating cost are high.Kitchen component in house refuse is efficiently separated or processed, is conducive to follow-up life The process disposal of rubbish or recycling, therefore such technology gradually paid close attention to by people.
Leaching bed technique receives much concern because which is quick, efficiently etc. characteristic.Such as 201210521102.9 disclosure of Chinese patent A kind of leaching mechanical biological reactor for processing house refuse.The reactor includes:Casing, rabbling mechanism, filter tapping mechanism, Grid block clearing mechanism, catch box and leachate feeding screw.Washing water with Anaerobe and organic domestic waste are existed Mix in reactor, waterpower leaching and biochemical reaction occur, Organic substance is accelerated by stirring action and is separated with inorganic matters, can be gone Remove major part and be difficult biodegradable inorganic substances.Inventive structure rationally, is protected long-pending little, processes stable, but process the time of staying It is longer.And processing procedure systematicness is poor, detached inorganic substances are rationally disposed, technique imperfection;Chinese patent 201210115274.6 disclose a kind of multi-stage biological leaching reactor process and equipment for processing sludge, including multi-stage biological drenches Filter reactor, sludge concentration tank, aerator, sludge internal reflux pump, sludge external reflux pump, dehydration pump, chamber filter press etc..It is dirty Mud is in three-level leaching reactor by middle acidifying step by step, three-level leaching reactor mixed-liquor return to A reactor, heavy metal quilt It is transferred in water phase, eventually through filter-press dehydration, mud cake of the moisture content less than 60% is obtained so that sludge quantity is substantially reduced. Rationally, consumption is reduced the technical process, effectively realizes the minimizing of sludge, and leachate recycle is utilized, and reduces water resources consumption. The present invention possesses both advantages, and leaching technology is applied to domestic rubbish disposal process, not only effectively reduces house refuse organic Matter content and moisture content, and there is compact conformation, simple to operate, low cost, the advantages of reaction efficiency is high.
The content of the invention
The invention provides handling process method is compressed in a kind of multistage leaching of house refuse.To can drench in domestic waste Filter component (mainly changing food waste) removing, remaining house refuse extrusion dehydration, organic wastewater carry out aerobic or anaerobic treatment, lead to Cross device and technical method that domestic waste volume reduction decrement is realized in multiple process integration effects.
The technical solution used in the present invention is as follows:
Handling process is compressed in a kind of multistage leaching of house refuse, and the handling process includes two-stage leaching bed reactor, spiral Pressure filter, sewage-treatment plant and water circulation system;Leaching bed reactor body adopts horizontal, and which is pressed from both sides with the horizontal 0-20 degree Angle, is adjusted by bottom hydraulic lifting apparatus;Vertical blade is installed through on the main shaft of leaching bed reactor, supernatant by The spray pipeline for being passed through leaching bed inside reactor is added, and leaching bed reactor driving means drive leaching bed reactor main shaft band Cutting blade rotates, and realizes that material vertical direction mixes under flow action, and horizontal direction is moved to discharging opening;Leachate outlet sets There is grid, leachate is separated with solid phase, leaching bed reactor lower end is provided with discharging opening;One-level leaching bed reactor discharging opening with Two grades of leaching bed reactor feed mouth connections, the discharging of two grades of leaching bed reactors are directly entered Principle of Screw Pressure Filter;Spiral filter pressing Owner's body is tapered, the reduced radius vertically of the helical blade on Principle of Screw Pressure Filter main shaft, makees in Principle of Screw Pressure Filter driving means With under, material volume-diminished vertically, pressing filtering liquid are flowed out by the filter pressing filter screen of its bottom, and by Principle of Screw Pressure Filter main body wall Pressing filtering liquid collecting collect, residual refuse constantly forward extruding push, by end filter pressing rubbish discharging opening in compression shape row Go out;The pressing filtering liquid that the leachate and Principle of Screw Pressure Filter that two-stage leaching bed reactor is produced is produced is pumped into by pipeline under water pump push Sewage-treatment plant process, if the leachate organic matter concentration of two grades of leaching bed reactor generations is relatively low, or is pumped directly into one-level Leaching bed reactor reuse;
During the house refuse for crushing first adds one-level leaching bed reactor, leacheate is added, open stirring, adjust one Level leaching bed reactor and horizontal direction are in 5-10 degree, house refuse in the one-level leaching bed reactor constantly mixing and it is slow to Front push;After laterally mixing, leveling leaching bed reactor continues stirring mixing, and the time of staying is 3-9h, obtain rich in organic The leachate of matter injects sewage-treatment plant by water pump;Then it is in 10-20 degree to adjust one-level leaching bed reactor with horizontal direction, Residual refuse is pushed to into two grades of leaching bed reactors under stirring push effect, similar to one-level leaching bed reactor for treatment mistake Journey, stops stirring 3-9h, and two grades of leaching bed reactor leachates pump into sewage-treatment plant, and residual refuse pushes to helical compression Machine;As screw propulsion is gradually compacted in screw compressor, pressing filtering liquid is extruded and is pumped directly into sewage disposal residual refuse Device, finally makes residual refuse moisture content less than 40%, is easy to follow-up rationally treatment and use.According to processing requirement, increase leaching Bed reactor series.
Handling process also includes grid dredger, for periodic cleaning grid.
The effect and benefit of the present invention:Handling process method is compressed in house refuse leaching, with process intensification, operation letter Single, low cost the advantages of reaction efficiency is high, realizes the removal of the easy leaching component of house refuse and the reduction of moisture content.First should Leaching bed is divided into multistage by technique, using semicontinuous operation, effectively shortens reaction time, and mechanization degree is higher, have Beneficial to raising treatment effeciency;Secondly residual refuse Jing screw compressor extrusion dehydrations, largely complete volume reduction decrement Change, reduce msw water content, be easy to its follow-up treatment and use;Leaching bed sewage and compressor sewage are pumped at sewage in addition Reason device process, clear water reuse after process, make water resource further with.Whole process reduces house refuse moisture content quick And while the content of organic matter, water utilization rate is improve, and during avoiding, produce secondary pollution.
Description of the drawings
Fig. 1 is that handling process method schematic diagram is compressed in the multistage leaching of house refuse.
Fig. 2 is single-stage leaching bed structure schematic diagram.
Fig. 3 is screw compressor structural representation.
In figure:1 leaching bed reactor driving means;2 leaching bed reactor bodies;3 leaching bed reactor feed mouths;4 drench Filter bed reactor main shaft;5 blades;6 spray pipelines;7 grids;8 leachates are exported;9 grid dredgers;10 spray liquid water pumps; 11 leachate water pumps;12 residual refuse discharging openings;13 hydraulic lifting apparatus;14 Principle of Screw Pressure Filter charging apertures;15 Principle of Screw Pressure Filter Main body;16 Principle of Screw Pressure Filter main shafts;17 filter pressing sea whelks;18 filter pressing rubbish discharging openings;19 filter pressing filter screens;20 pressing filtering liquid collecting pipes Road;21 filter pressing driving means.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with technical scheme and accompanying drawing.
Handling process method is compressed in a kind of multistage leaching of house refuse, the handling process include two-stage leaching bed reactor, Screw compressor, sewage-treatment plant and water circulation system.The house refuse for crushing adds the reaction of leaching bed by charging aperture Device, adds clean leacheate by spray pipeline, raises reactor feed end by hydraulic lifting apparatus, and it is in 5- to make with horizontal direction 10 degree, house refuse is constantly mixed in reactor by blade stirring, and is pushed to discharge end.Leveling after the horizontal mixing of material Leaching bed reactor, stirring stop 3-9h, and leachate injects sewage-treatment plant by water pump by grid filtration.Then lifted anti- Device is answered, is made with horizontal direction in 10-20 degree, residual refuse enters two grades of leaching bed reactors in the case where blade is pushed, similar to one Level leaching bed reactor for treatment, after stopping stirring 3-9h, leachate pumps into sewage-treatment plant, and residual refuse pushes to spiral pressure Contracting machine.After completing discharging, grid dredger is cleared up to grid.
Residual refuse is entered by Principle of Screw Pressure Filter charging aperture, as rubbish is gradually pushed away to Principle of Screw Pressure Filter discharging opening spiral Enter, helical blade radius reduces, rubbish is gradually compacted, and moisture is extruded by filter pressing filter screen and received by pressing filtering liquid collecting Collection, rubbish finally discharge from the compacting of Principle of Screw Pressure Filter discharging opening, make msw water content less than 40% after filter pressing, are easy to subsequently rationally Treatment and use.
During the organic sewage that produces Jing after sewage-treatment plant process is up to standard, leaching beds reactions at different levels are pumped into by water pump Device reuse, realizes water circulation use in technique, reduces water content consumption, energy saving.

Claims (3)

1. handling process is compressed in the multistage leaching of a kind of house refuse, it is characterised in that the handling process includes that two-stage leaching bed is anti- Answer device, Principle of Screw Pressure Filter, sewage-treatment plant and water circulation system;Leaching bed reactor body using horizontal, itself and horizontal plane Into 0-20 degree angles, adjusted by bottom hydraulic lifting apparatus;Vertical knife is installed through on the main shaft of leaching bed reactor Piece, supernatant are added by the spray pipeline for being passed through leaching bed inside reactor, and leaching bed reactor driving means drive leaching bed Reactor main shaft band cutting blade rotates, and realizes that material vertical direction mixes under flow action, and horizontal direction is moved to discharging opening; Leachate outlet is provided with grid, leachate is separated with solid phase, and leaching bed reactor lower end is provided with discharging opening;One-level leaching bed is anti- Device discharging opening is answered to be connected with two grades of leaching bed reactor feed mouths, the discharging of two grades of leaching bed reactors is directly entered spiral filter pressing Machine;Principle of Screw Pressure Filter main body is tapered, the reduced radius vertically of the helical blade on Principle of Screw Pressure Filter main shaft, in Principle of Screw Pressure Filter Under driving means effect, material volume-diminished vertically, pressing filtering liquid are flowed out by the filter pressing filter screen of its bottom, and by Principle of Screw Pressure Filter Pressing filtering liquid collecting on main body wall is collected, and constantly extruding is pushed residual refuse forward, by end filter pressing rubbish discharging opening Discharge in compression shape;The pressing filtering liquid that the leachate and Principle of Screw Pressure Filter that two-stage leaching bed reactor is produced is produced is under water pump push Sewage-treatment plant process is pumped into by pipeline, if the leachate organic matter concentration of two grades of leaching bed reactor generations is relatively low, directly Pump into one-level leaching bed reactor reuse;
During the house refuse for crushing first adds one-level leaching bed reactor, leacheate is added, open stirring, adjusted one-level and drench Filter bed reactor is in 5-10 degree with horizontal direction, and house refuse is continuous in one-level leaching bed reactor to be mixed and slowly push away forward Send;After laterally mixing, leveling leaching bed reactor continues stirring mixing, and the time of staying is 3-9h, obtain rich in organic matter Leachate injects sewage-treatment plant by water pump;Then it is in 10-20 degree to adjust one-level leaching bed reactor with horizontal direction, is being stirred Mix and residual refuse is pushed to into two grades of leaching bed reactors under push effect, similar to one-level leaching bed reactor for treatment process, Stirring 3-9h is stopped, two grades of leaching bed reactor leachates pump into sewage-treatment plant, and residual refuse pushes to screw compressor; As screw propulsion is gradually compacted in screw compressor, pressing filtering liquid is extruded and is pumped directly into sewage disposal dress residual refuse Put, residual refuse moisture content is finally made less than 40%, be easy to follow-up rationally treatment and use.
2. handling process is compressed in the multistage leaching of house refuse according to claim 1, it is characterised in that handling process is also wrapped Grid dredger is included, for periodic cleaning grid.
3. handling process is compressed in the multistage leaching of house refuse according to claim 1 and 2, it is characterised in that according to process Require, increase leaching bed reactor series.
CN201510069952.3A 2015-02-09 2015-02-09 Handling process is compressed in a kind of multistage leaching of house refuse Expired - Fee Related CN104690017B (en)

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Publication number Priority date Publication date Assignee Title
CN106116734B (en) * 2016-06-21 2021-11-16 江苏理工学院 Aerobic composting device and aerobic composting method for organic solid waste
CN107985876B (en) * 2017-11-25 2020-11-20 新昌县以琳环保科技有限公司 Special compression equipment before domestic waste is carried

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US8715402B2 (en) * 2011-03-22 2014-05-06 Mitsubishi Heavy Industries, Ltd. Air pollution control system and air pollution control method, spray drying device of dewatering filtration fluid from desulfurization discharged water, and method thereof
CN103373798A (en) * 2012-04-19 2013-10-30 王树岩 Multistage bioleaching reactor process and equipment for sludge treatment
CN102989745B (en) * 2012-12-06 2014-08-13 江苏维尔利环保科技股份有限公司 Leaching mechanical-biological reactor for treating household garbage
CN203124398U (en) * 2013-02-22 2013-08-14 陈献清 Treatment equipment for domestic garbage energy

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