CN110316916A - A kind of sludge ecology treatment depth treatment process and system - Google Patents
A kind of sludge ecology treatment depth treatment process and system Download PDFInfo
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- CN110316916A CN110316916A CN201910447227.3A CN201910447227A CN110316916A CN 110316916 A CN110316916 A CN 110316916A CN 201910447227 A CN201910447227 A CN 201910447227A CN 110316916 A CN110316916 A CN 110316916A
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
- C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The embodiment of the invention discloses a kind of sludge ecology treatment depth treatment process and systems, are related to technical field of sludge treatment.Including sequentially connected dehydration pre-process device, drying device, harmless treatment device and sintering machine, the dehydration pre-process device includes sludge agitator tank and super-pressure dewatering and filtering mud machine, the lower part outlet of sludge agitator tank connects super-pressure dewatering and filtering mud machine by a pretreatment dredging tube, the harmless treatment device is defibrator, using dehydration pre-process device, drying device, harmless treatment device and sintering machine successively carry out pre-dehydration to sludge, it is dry, after harmless treatment, by reducing moisture percentage in sewage sludge after pre-dehydration and drying, improve subsequent processing efficiency, reduce subsequent processing load, harmless treatment is carried out to sludge using defibrator, finally by being sintered to sludge, the products such as porous ceramicite or high-intensitive ceramic plate are made, realize the recycling and reusing of sludge, reach zero burial without secondary public hazards Target.
Description
Technical field
The present embodiments relate to technical field of sludge treatment, can be used in municipal sludge and water conservancy riverway sludge, specifically
It is related to a kind of sludge ecology treatment depth treatment process and system.
Background technique
With the development of economy, the discharge amount of the increase of urban population, industrial wastewater and sanitary sewage is increasing, dirty
The quantum of output of mud increases sharply.Sludge is the deposit generated in wastewater treatment process, it includes being mixed into sanitary sewage or work
The solid particles such as silt, fiber, plant and animal residues in mine waste water and its floccule of condensation, various colloids, organic matter and suction
The integrated solid material of the substances such as attached metallic element, microorganism, germ, worm's ovum, briefly, it is the solid part of sewage
Point.With the quickening of Urbanization in China, civilian infrastructure construction just from short, adaptable and fast development course gradually to it is complicated,
Creative development course transition, treatment rate of domestic sewage also improve year by year, and the sludge yield in city sharply increases.Not
After appropriately processed sludge enters environment, directly secondary pollution can be brought to water body and atmosphere, not only reduce sewage treatment
The effective processing capacity of system, and ecological environment and mankind's activity are constituted and seriously threatened.
Therefore, scientific and reasonable harmless treatment mode must be used for the characteristic of sludge at present, makes sludge resource
Change, innoxious, minimizing, turns waste into wealth；It eliminates safe hidden trouble, guarantee that municipal sludge treatment facility operates normally needs.Purification
Environment eliminates pollution of the sludge to environment and the harm to human health.
, minimizing innoxious according to sludge treatment, recycling principle, sludge and municipal sludge to refuse landfill into
Row is timely and effectively disposed, and is allowed to meet environmental requirement.The selection of advanced treatment process of sludge should be wanted according to disengaging mud moisture content
It asks, treatment plant's scale and when the conditions such as ground temperature, engineering geology, environment carry out careful selection, and considers the convenience of operational management
Property, reliability.While meeting technique and require, preferential selection reduces investment outlay, the lower scheme of operating cost.The disposition of sludge
Scheme will not only have preferable environmental benefit and social benefit, while consider economic benefit, be obtained with less investment larger
Return.Various treatment process have certain applicable elements, and the appropriate to the occasion adaptation to local conditions of engineering design can be introduced moderately some new
Technology and new equipment become Treatment of Sludge engineering construction the engineering of one modernization.
The main method of Treatment of Sludge has following several at present: ocean dumping, sludge fills up, desiccation and heat treatment, sludge
It is filled up after compost, burning and the comprehensive utilization such as building materials etc..The disposition of sludge ocean dumping is clearly prohibited；Sludge is filled out
Environmental pollution can not finally be avoided by burying, the time for only having delayed environmental pollution to generate, and landfill behavior is faced with increasingly tighter
The environmental standard of lattice, this makes the investment of landfill stabilization mode and running cost tend to increase considerably, and many countries have opened
Beginning forbids the landfill of sludge；Desiccation and heat treatment need a large amount of energy, very uneconomical, therefore agriculture after sludge composting
With burned after, deep dehydration, building materials comprehensive resource utilizes, be the final goal of specific resistance to filtration.
No matter which kind of mode, the deep dehydration of sludge is all a ring of most critical.China is at present to municipal administration and industrial sludge
Moisture content have been modified as 60% hereinafter, therefore deeply dehydrating sludge is to have to solve the problems, such as at present by 80% before.
Institute's water content is roughly divided into four classes: Interstitial Water, capillary combination water, surface adsorption water, internal water in sludge.First
Kind is known as " Free water ", and latter three kinds are known as " irreducible water ".These four water in addition to Interstitial Water can physically other than filters pressing,
There is other three kinds of water surfaces powerful negative electron to be wrapped in, it cannot be precipitated with physics filters pressing.Intergranular Interstitial Water, about
Account for the 70% of sludge moisture content；Capillary water, the capillary water between mud granule, accounts for about 20%；Inside the absorption water and particle of particle
Water accounts for about 10%, and the object of sludge dewatering is intergranular Interstitial Water.
Why sludge contains a large amount of moisture content, and other than Interstitial Water, separately having greatly is due to its particle surface
What characteristic and the structure of sludge group were determined.Mud granule adsorption has various charged ions and by microorganism in its generation
Secretion is formed in extracellular polymeric of cells in vitro etc. during thanking.These charged ions and extracellular polymeric have very strong
Specific retention.These mud granules constitute sludge group, form various capillary channels, the water that mud granule surface is held
It is all in conjunction with water with the water in capillary channel, this irreducible water is cannot to be removed with simple Mechanical Method.
The difficulty or ease of sludge dewatering, are removed and existence form of the moisture content in sludge has outside the Pass, also with the size of mud granule,
Sludge specific resistance is related with content of organics, and mud granule is thinner, content of organics is higher, sludge specific resistance is bigger, the difficulty of dehydration
It spends bigger.
In addition, due to containing the high-enriched organics such as a large amount of protein, fat and other carbohydrate in sludge,
Cause the viscosity of sludge is larger, moisture content is higher, be separated by solid-liquid separation performance it is poor.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of sludge ecology treatment depth treatment process and system, to solve existing skill
Sludge dewatering difficulty is big in art, processing cost is high, high organic content in sludge, can not utilize again to sludge after processing
Problem.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, which includes sequentially connected
Dehydration pre-process device, drying device, harmless treatment device and sintering machine, the dehydration pre-process device include that sludge stirs
Tank and super-pressure dewatering and filtering mud machine are mixed, is connected with sludge conveying mechanism, sludge agitation at the upper opening of sludge agitator tank
The lower part outlet of tank connects super-pressure dewatering and filtering mud machine, the harmless treatment device by a pretreatment dredging tube
For defibrator.
Further, the sludge agitator tank is two be arranged side by side, and the sludge conveying mechanism includes one defeated
Feeding funnel and two conveying augers, two conveying augers are separately positioned on the two sides of conveyor hopper, and two conveying augers are set respectively
It sets in the upside of two sludge agitator tanks.
Further, quick lime feed bin is additionally provided on the upside of the sludge agitator tank, quick lime feed bin passes through quick lime pipe
Connect sludge agitator tank.
Further, the super-pressure dewatering and filtering mud machine includes rack, sheet frame, hydraulic cylinder and conveyer belt, more
A sheet frame is slidably arranged in rack, and hydraulic cylinder is horizontally fixed on one end of rack, and conveyer belt is arranged in frame underside；Institute
Stating sheet frame includes left plate frame, right panel frame, filter frame and filter cloth, and filter frame is arranged between left plate frame and right panel frame, filter cloth side
It is fixedly connected with filter frame, compressed spring is equipped between left plate frame and filter frame, left plate frame, right panel frame and filter cloth middle part are
Equipped with sludge through-hole, sealing drum is connected between the sludge through-hole of left plate frame and filter cloth, the left side of right panel frame, which is equipped with, accommodates filter cloth
Filter chamber.
Further, the conveyer belt includes first conveyer belt and the second conveyer belt, cunning of the first conveyer belt along sheet frame
Dynamic direction setting, the second conveyer belt are arranged on the downside of one end of first conveyer belt, and second conveys band connection first conveyer belt and do
Dry device.
Further, the drying device is hot-air drying device.
Further, pelletizer is additionally provided between the harmless treatment device and sintering machine.
According to a second aspect of the embodiments of the present invention, the treatment process of the sludge ecology treatment depth processing system
The following steps are included:
Sludge is sent into sludge agitator tank, and adds broken wall agent into sludge agitator tank and is stirred, sludge agitator tank
It is delivered in super-pressure dewatering and filtering mud machine after interior sludge agitation by pre-processing dredging tube, super-pressure sludge dewatering pressure
Filter carries out filters pressing to sludge,
Sludge after super-pressure dewatering and filtering mud machine filters pressing is sent into drying device and is further removed water, and fills by dry
The moisture content for setting sludge after drying reduces by 45% or less；
Sludge after drying is sent into defibrator, and extreme themophile is added into defibrator, to the organic matter in sludge into
Row decomposes, and realizes the harmless treatment of sludge；
Sludge after harmless treatment is sent into sintering machine and is sintered to recycling material.
The embodiment of the present invention has the advantages that
The embodiment of the present invention is successively right using dehydration pre-process device, drying device, harmless treatment device and sintering machine
After sludge carries out pre-dehydration, drying, harmless treatment, by reducing moisture percentage in sewage sludge after pre-dehydration and drying, subsequent place is improved
Efficiency is managed, subsequent processing load is reduced, harmless treatment is carried out to sludge using defibrator, by the organic substance in sludge point
Solution is at CO2、H2The innocuous substances such as O, and also oxidable reduction becomes stable mineralogical composition to inorganic matter contained therein, realizes sludge
It is innoxious, finally by being sintered to sludge, products, the products obtained therefrom such as porous ceramicite or high-intensitive ceramic plate is made can
Material, asphalt mixing material, gardening are backfilled for use as light-weight aggregate, compartment material or soundproof wall, pavement water-permeable brick, pipe engineering
Or environmental greening material, effluent treatment and filtering material etc..
Detailed description of the invention
It, below will be to implementation in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Mode or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description
It is only exemplary, it for those of ordinary skill in the art, without creative efforts, can be with
It is amplified according to the attached drawing of offer and obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing what the present invention can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is the schematic diagram of a kind of sludge ecology treatment depth treatment process that the embodiment of the present invention 1 provides and system；
Fig. 2 is the structural schematic diagram of 1 dehydration pre-process device of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of 1 sheet frame of the embodiment of the present invention；
In figure: 1- dehydration pre-process device 2- hot-air drying device 3- defibrator 4- pelletizer 5- sintering machine 6- is dirty
Mud agitator tank 7- conveyor hopper 8- conveying auger 9- quick lime feed bin 10- iron chloride feed bin 11- pre-processes dredging tube
12- super-pressure dewatering and filtering mud machine 13- rack 14- sheet frame 15- hydraulic cylinder 16- first conveyer belt 17- second is conveyed
Band 18- left plate frame 19- filter frame 20- filter cloth 21- right panel frame 22- through-hole 23- filter chamber 24- sealing drum 25- compresses bullet
Spring 26- filter plate.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this theory
Content disclosed by bright book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.This specification
In cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to the clear of narration, Er Feiyong
To limit the scope of the invention, relativeness is altered or modified, under the content of no substantial changes in technology, when also
It is considered as the enforceable scope of the present invention.
Referring to Fig. 1, which includes sequentially connected dehydration pre-process device 1, drying
Device, harmless treatment device and sintering machine 5, the harmless treatment device in the present embodiment is defibrator 3, and drying device is
Hot-air drying device 2 is additionally provided with pelletizer 4 between harmless treatment device and sintering machine 5.
Referring to fig. 2, dehydration pre-process device 1 includes sludge agitator tank 6 and super-pressure dewatering and filtering mud machine 12, sludge
Sludge conveying mechanism is connected at the upper opening of agitator tank 6, the lower part outlet of sludge agitator tank 6 is defeated by a pretreatment
Mud pipe 11 connects super-pressure dewatering and filtering mud machine 12.Sludge agitator tank 6 is two be arranged side by side, sludge conveying mechanism packet
A conveyor hopper 7 and two conveying augers 8 are included, two conveying augers 8 are separately positioned on the two sides of conveyor hopper 7, and two defeated
The upside for sending auger 8 to be separately positioned on two sludge agitator tanks 6.Quick lime feed bin 9, raw stone are additionally provided on the upside of sludge agitator tank 6
Grey feed bin 9 connects sludge agitator tank 6 by quick lime pipe.The side of sludge agitator tank 6 is additionally provided with iron chloride feed bin 10, chlorination
Iron charge storehouse 10 is also by piping connection sludge agitator tank 6.Control conveying auger 8 falls into the sludge in conveyor hopper 7 first wherein
One sludge agitator tank 6 stops feeding and open another conveying auger 8 conveying sludge to another when reaching designated position
A sludge agitator tank 6.Quick lime, iron chloride or other medicaments are added through automatic gauge in proportioner starting.Feed proportioning system can
Change its proportion at any time according to charging difference.10-20min is stirred, the preprocessed dredging tube 11 of sludge after conditioning stirring conveys
To super-pressure dewatering and filtering mud machine 12.After the completion of the conveying of 6 sludge of sludge agitator tank, conveying auger 8 is opened, sludge is fallen into
Sludge agitator tank 6, while in a sludge agitator tank 6 after the completion of stirring, start the pumping in filter press chamber.Two sludge
Agitator tank 6 works alternatively, and improves efficiency.
Super-pressure dewatering and filtering mud machine 12 includes rack 13, sheet frame 14, hydraulic cylinder 15 and conveyer belt, multiple sheet frames
14 are slidably arranged in rack 13, and hydraulic cylinder 15 is horizontally fixed on one end of rack 13, and conveyer belt is arranged under rack 13
Side；Rack 13 is the basis of complete equipment, it is mainly used for supporting filter mechanism and drawing-plate mechanism, using high-quality Q345 low-carbon
Alloy-steel plate is welded, and is manually derusted with after high speed blasting treatment, carries out preservative treatment, is not easy to get rusty and firm reliable.
Girder is welded using Q345 high-quality material and middle plate, and lateral bending and sagging will not occur for guarantee.Equipment work operation
When, piston rod pushes pressure plate, by the filter plate and filter medium compression between pressure plate and thrust plate, to guarantee to have
The filter pulp of certain pressure carries out pressure filtration in filter chamber 23.Filter press band blowing function in the present embodiment.After the completion of filters pressing
The wet mud blowback at filter plate center can be returned sludge-tank.Further decrease the moisture content of sludge.
Referring to Fig. 3, sheet frame 14 includes left plate frame 18, right panel frame 21, filter frame 19 and filter cloth 20, and the filter setting of frame 19 exists
Between left plate frame 18 and right panel frame 21, compressed spring 25,20 side of filter cloth and filter are equipped between left plate frame 18 and filter frame 19
Frame 19 is fixedly connected, and filter plate 26 is arranged between two layers of filter cloth 20, in left plate frame 18, right panel frame 21, filter plate 26 and filter cloth 20
Portion is equipped with sludge through-hole 22, and sealing drum 24, filter plate 26, filter are connected between left plate frame 18 and the sludge through-hole 22 of filter cloth 20
Cloth 20 is slidably connected with sealing drum 24, and the left side of right panel frame 21 is equipped with the filter chamber 23 for accommodating filter cloth 20.Conveyer belt includes first
Conveyer belt 16 and the second conveyer belt 17, first conveyer belt 16 are arranged along the glide direction of sheet frame 14, and the setting of the second conveyer belt 17 exists
On the downside of one end of first conveyer belt 16, the second conveyer belt 17 connects first conveyer belt 16 and drying device.In first conveyer belt 16
Upside is equipped with the drip tray of overturning setting, and in filters pressing, drip tray accepts the water filtered out, and drip tray overturning allows after the completion of filters pressing
Position pulls sheet frame 14 one by one, and the sludge after making filters pressing falls in first conveyer belt 16, first conveyer belt 16 by sludge material via
Second conveyer belt 17 is delivered to subsequent processing.Filter plate 26 is formed using enhanced polypropylene through hot press moulding, veneer filtering surface
Product is big, and compression travel is big, uniform force.Compressed spring 25 uses import silicochromium spring steel, by preservative treatment, compressive property
Superior, resilience is good, indeformable, long service life.
The main working process of filter press is as follows:
1, plywood, hydraulic cylinder 15 start, and mobile 10mm of load compressed spring 25 or so eliminates gap, completes to carry out pre-
Pressure.
2, it feeds, after the completion of precompressed, Mud-intake valve is opened, and high pressure sludge is poured into each filter chamber 23.After filling mud,
Setting signal, Mud-intake valve are closed.A filters pressing is completed under feed pressure.
3, elasticity squeezing, after the completion of charging, hydraulic cylinder 15 continues load compressed spring 25 and is moved to designated position, is
Blanket insurance pressure carries out secondary filters pressing.When filter cake reaches scheduled moisture content, specified pressure 2Mpa is arrived in 15 off-load of hydraulic cylinder.
4, drip tray is overturn, and after the completion of squeezing, after filtrate discharge, drip tray movement concedes space for discharging.
5, pulling plate unloading, after the completion of twice pressing, 15 return of hydraulic cylinder to designated position, automatic pulling plate mechanism is one by one
Pull open sheet frame 14.It is fallen off by dithering system filter cake, is transported by first conveyer belt 16.And start subsequent cycle
Super-pressure dewatering and filtering mud machine 12 is a kind of high efficiency filtering equipment, is particularly suitable for the filters pressing of this project sludge
Dehydration, super-pressure deep dehydration machine improve traditional 14 structure of sheet frame, and long service life, sealing effect is good, No leakage and
Whitewashing, feed pressure is big, and single pressing pressure is high, and twice pressing hydraulic cylinder 15 directly acts on filter plate and squeezed.Squeezing
Pressure maximum is up to 3Mpa, and compression travel is big (up to 25mm), and compression ratio is big, squeezes without dead angle, uniform force.Working efficiency
Height, moisture content is only 50-60% after filters pressing.This equipment single batch working time is only 1.5-2 hours, and working efficiency is diaphragm
4-5 times of filter press.This equipment auxiliary device is few, and diaphragm filter press must cistern, air compressor machine, twice pressing high pressure
The equipment such as pump, gas tank.This equipment sheet frame 14 adds preservative treatment, long service life using high-quality steel.20 area of filter cloth is much smaller than
Diaphragm filter press, use cost is low, easy to operate, strong applicability.
The treatment process of sludge ecology treatment depth processing system the following steps are included:
Sludge is sent into sludge agitator tank 6, and adds broken wall agent into sludge agitator tank 6 and is stirred, sludge agitation
It is delivered in super-pressure dewatering and filtering mud machine 12 after sludge agitation in tank 6 by pre-processing dredging tube 11, super-pressure sludge
Dehydration filter press 12 carries out filters pressing to sludge.
Sludge after 12 filters pressing of super-pressure dewatering and filtering mud machine is sent into drying device and is further removed water, by drying
The moisture content of sludge reduces by 45% or less after device is dry；In general, the moisture content of natural seasoning object is about 14% or so,
And the moisture content of inorganic sludge is about 60%, organic sludge is then up to 80% or more, therefore such polluter continues after entering
Before processing routine, it is necessary to it is subject to pre-treatment-drying program appropriate, and its processing mode and its purpose are described as follows:
1, dry: waste is dry to 45% or less by its moisture content via " air drier ".
2, be reduced: waste after drying, can about slough about 15% or more moisture, also waste can be reduced 15%
More than.
3, it promotes treatment effeciency: after waste sword comes that, the capacity of subsequent processing device can be reduced, reduce and be just set as
This, colleague can slow down the load of subsequent processing units.
Sludge after drying is sent into defibrator 3, and extreme themophile is added into defibrator 3, to the organic matter in sludge
It is decomposed, realizes the harmless treatment of sludge；The purpose of this process is by organic contained by waste or inorganic hazardous substance
Give stabilization or innoxious, therefore when waste does not contain hazardous substance, that is, need not move through this processing routine.And work as waste
When containing hazardous substance, i.e., need to " defibrator process reflection system " in this program, (200 DEG C) are reacted by low temperature plasma-based, by waste
In organic material decomposition at CO2、 H2The innocuous substances such as O, and also oxidable reduction becomes stable mine to inorganic matter contained therein
Object ingredient.Extreme themophile can effectively open the organic molecule chain in sludge, and the moisture in sludge is made to volatilize rapidly, sludge
Moisture content can be reduced to 35% hereinafter, compared to traditional aerobic fermentation technology.It can make that fermentation temperature is low, fermentation period is long, cause of disease
The problem of body and worm's ovum cannot be killed thoroughly is properly settled, and the innoxious and stabilization processes of sludge are able to achieve.In addition,
This technical treatment object is extensive, as long as organic matter can be decomposed effectively, can be widely applied to house refuse, meal
The harmless treatment of organic solid waste such as Room rubbish, feces of livestock and poultry, animal carcass, dry branches and fallen leaves, the resolution ratio of organic matter is up to 95%
More than.Clinker after harmless treatment can do following purposes 1, compound fertilizer making, and the material after biological dewatered is still protected
The nutritional ingredients such as more organic matter and N, P, K are hold, reach the premise of relevant criterion requirement in harmful substances such as heavy metals
Under, it can be granulated with chemical fertilizer through overmulling, academic title's organic-inorganic compound fertilizer for various purposes, be applied to agricultural or flowers are supported
The professional domains such as plant, lawn maintenance.2, building materials processed, the material after biological dewatered, clinker moisture content drop to 30% or so,
By mixing compression moulding with flyash, adhesive etc., as concrete segment.The substitute of access path tile can be widely applied
In building field.3, auxiliary fuel, the material after biological dewatered still remain more organic matter, although with raw material phase
Compare the content of organic matter and calorific value decrease, but since moisture content is greatly reduced, can be used as auxiliary fuel with
High heating value rubbish mixed burning.
Optimal sludge treating method is that its effective recycling and reusing and then is reached zero burial without secondary public hazards
The rubbish of script is become useful gold by target, and the waste to be buried originally in the twinkling of an eye becomes the Huang for having economic value
Gold.It can reach one: burying the soil that may be occupied, resource originally, do other developments and utilizations；Two: script is discarded
Object switchs to the building material for having economic value；Three: developing the building material of manufacture originally, be replaced.It is such
Disposal options can reach the benefit of three wins for economical and utilize.
Sludge in the present embodiment after harmless treatment is sent into sintering machine 5 and is sintered to recycling material.In conjunction with
" cryogenic mechanical chemical treatment method " and " high temperature sintering technique " form, for it is all kinds of can by complete processing routine by its
Give innoxious, stabilization and recycling, reaches the final goal of resources circulation.The purpose of sintering procedure is to be to discard
Object is subject to recycling, and its processing mode is will to mix and suitable clay through the waste after pre-treatment or harmless treatment
Afterwards, it after the processing of the equipment such as " pelletizer 4 ", " pre-heating dryer ", is sent into " high-temperature roasting machine " and porous ceramicite or high-strength is made
The products such as ceramic plate are spent, products obtained therefrom may be used as light-weight aggregate, compartment material or soundproof wall, pavement water-permeable brick, pipe engineering time
Filling chock, asphalt mixing material, gardening or environmental greening material, effluent treatment and filtering material etc..
Treatment of Sludge site environment is more severe, needs to improve live the degree of automation, and reduce personnel to the greatest extent.Not only
The reliability of raising system, and reduce personnel's spending.All pumps, valve, feed proportioning system, press filteration system in system
Pass through PC control.
The embodiment of the present invention uses dehydration pre-process device 1, drying device, harmless treatment device and sintering machine 5 successively
After carrying out pre-dehydration, drying, harmless treatment to sludge, by reducing moisture percentage in sewage sludge after pre-dehydration and drying, improve subsequent
Treatment effeciency reduces subsequent processing load, harmless treatment is carried out to sludge using defibrator 3, by the organic substance in sludge
Resolve into CO2、H2The innocuous substances such as O, and also oxidable reduction becomes stable mineralogical composition to inorganic matter contained therein, realizes dirty
Mud it is innoxious, finally by being sintered to sludge, the products such as porous ceramicite or high-intensitive ceramic plate, products obtained therefrom is made
It may be used as light-weight aggregate, compartment material or soundproof wall, pavement water-permeable brick, pipe engineering backfill material, asphalt mixing material, garden
Skill or environmental greening material, effluent treatment and filtering material etc..
Broken wall agent is added in sludge agitator tank 6 can be improved the gas permeability of sludge, reduce in mud drying process
It is plasticized encrustation phenomena (namely sugared heart phenomenon described in life), the drying time of sludge is greatly reduced, adds broken wall agent
After be modified sludge, with promoting water intracellular release and sludge microparticle to gather, thoroughly change the property of the high retentiveness of sludge, promote
Into mud-water separation and improve intensity.
The characteristics of super-pressure dewatering and filtering mud machine 12 is that production capacity is big, and dehydrating effect is good, and moisture content of the cake is low, raw
Produce high-efficient, high degree of automation.The hydraulic station of the machine uses two motor drags, safe and reliable to operation, and operation is easy to maintenance,
Each road operation program is also by operation electric cabinet centralized control simultaneously, and entire dehydration can be made in Automatic Control and remote
It is carried out in operation.The maximum innovation of super-pressure dewatering and filtering mud machine 12 and advantage be using elastic 14 structure of sheet frame, so that
For filter chamber 23 after full of sludge, hydraulic booster can continue compression to provide space for the further compression of filter chamber 23, by liquid
Pressure is transmitted on sludge, promotes sludge fast dewatering.Compared with 14 filter press of diaphragm plate frame, by elastic fluid and hydraulic oil
Cylinder 15 shrinks to oppress the sludge in filter chamber 23, to reduce energy consumption, improves production efficiency.
The sludge ecology treatment depth treatment process and system have the advantage that
1. meeting sludge reduction, stabilisation, innoxious and recycling principle.
2. simple process takes up an area less, is with low investment, low to the dependence of ambient conditions；It is technology maturation, reliable for operation, entirely
System automation degree is high, it can be achieved that automatically controlling.
3. applicable sludge range is wide.Can the moisture percentage in sewage sludge 90-80% after sewage treatment plant's preliminary hydro-extraction be down to and be contained
60% or less water rate.
4. sludge drying effect is good.Dehydrated sludge have hydrophobicity, meet water do not restore, and in its natural state after
Continuous evaporation water, dehydrated sludge stability are strong.
5. processing cost is low.By super-pressure deeply dehydrating sludge solution, equipment investment, freight can be saved
With reprocessing cost.
6. it is big using sludge wall breaking technology volume reduction amount, the pH of sludge is changed smaller.Secondary pollution is not caused to sludge,
And the performance of sludge can be improved, promote the stabilisation of sludge, while the generation of foul smell can be inhibited.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of sludge ecology treatment depth processing system, it is characterised in that: the sludge ecology treatment depth processing system
Including sequentially connected dehydration pre-process device (1), drying device, harmless treatment device and sintering machine (5), the dehydration is pre-
Processing unit (1) includes sludge agitator tank (6) and super-pressure dewatering and filtering mud machine (12), the sludge agitator tank (6) it is upper
Portion's opening is connected with sludge conveying mechanism, and the lower part outlet of the sludge agitator tank (6) passes through a pretreatment dredging tube
(11) super-pressure dewatering and filtering mud machine (12) are connected, the harmless treatment device is defibrator (3).
2. sludge ecology treatment depth processing system according to claim 1, it is characterised in that: the sludge agitator tank
(6) for be arranged side by side two, the sludge conveying mechanism include a conveyor hopper (7) and two conveying augers (8), two
Conveying auger (8) is separately positioned on the two sides of conveyor hopper (7), and two conveying augers (8) are separately positioned on two sludge agitations
The upside of tank (6).
3. sludge ecology treatment depth processing system according to claim 1 or 2, it is characterised in that: the sludge stirs
It mixes and is additionally provided with quick lime feed bin (9) on the upside of tank (6), quick lime feed bin (9) passes through quick lime pipe connection sludge agitator tank (6).
4. sludge ecology treatment depth processing system according to claim 1, it is characterised in that: the super-pressure sludge
Dehydration filter press (12) includes rack (13), sheet frame (14), hydraulic cylinder (15) and conveyer belt, multiple sheet frame (14) sliding settings
On rack (13), hydraulic cylinder (15) is horizontally fixed on one end of rack (13), and conveyer belt setting is on the downside of rack (13)；Institute
Sheet frame (14) is stated to include left plate frame (18), right panel frame (21), filter frame (19) and filter cloth (20), filter cloth (20) side and filter frame
(19) it is fixedly connected, filter frame (19) is arranged between left plate frame (18) and right panel frame (21), in left plate frame (18) and filter frame
(19) compressed spring (25) are equipped between, are equipped with sludge through-hole in the middle part of left plate frame (18), right panel frame (21) and filter cloth (20)
(22), it is connected with sealing drum (24) between left plate frame (18) and the sludge through-hole (22) of filter cloth (20), the left side of right panel frame (21)
Equipped with the filter chamber (23) for accommodating filter cloth (20).
5. sludge ecology treatment depth processing system according to claim 4, it is characterised in that: the conveyer belt includes
First conveyer belt (16) and the second conveyer belt (17), first conveyer belt (16) are arranged along the glide direction of sheet frame (14), and second is defeated
Send band (17) setting on the downside of one end of first conveyer belt (16), the second conveyer belt (17) connects first conveyer belt (16) and dry
Device.
6. sludge ecology treatment depth processing system according to claim 1 or 5, it is characterised in that: the dry dress
It is set to hot-air drying device (2).
7. sludge ecology treatment depth processing system according to claim 1, it is characterised in that: at the innoxious place
Pelletizer (4) are additionally provided between reason device and sintering machine (5).
8. the treatment process of the described in any item sludge ecology treatment depth processing systems of claim 1~7, it is characterised in that:
The treatment process the following steps are included:
Sludge is sent into sludge agitator tank (6), and addition broken wall agent is stirred into sludge agitator tank (6), sludge agitation
It is delivered in super-pressure dewatering and filtering mud machine (12) after sludge agitation in tank (6) by pre-processing dredging tube (11), superelevation
Dewatering and filtering mud machine (12) are pressed to carry out filters pressing to sludge,
Sludge after super-pressure dewatering and filtering mud machine (12) filters pressing is sent into drying device and is further removed water, by drying device
The moisture content of sludge reduces by 45% or less after drying；
Sludge after drying is sent into defibrator (3), and extreme themophile is added into defibrator (3), to the organic matter in sludge
It is decomposed, realizes the harmless treatment of sludge；
Sludge after harmless treatment is sent into sintering machine (5) and is sintered to recycling material.
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