CN107698126A - Microwave nurses one's health dehydration and drying sludge treating system - Google Patents
Microwave nurses one's health dehydration and drying sludge treating system Download PDFInfo
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- CN107698126A CN107698126A CN201711023698.9A CN201711023698A CN107698126A CN 107698126 A CN107698126 A CN 107698126A CN 201711023698 A CN201711023698 A CN 201711023698A CN 107698126 A CN107698126 A CN 107698126A
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- microwave
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- pipe
- dehydration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
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- 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
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- 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
-
- 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
-
- 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
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- 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)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of microwave to nurse one's health dehydration and drying sludge treating system, including microwave processing system (1), conditioner adding set (2), ultrahigh pressure multistage filter-press dehydration device (7), drying system (9) and controller, microwave processing system (1) is arranged on the front end of whole system, pipe-line mixer (3) is disposed with microwave processing system (1) rear end, sludge cooler (4), ultrahigh pressure multistage filter-press dehydration device (7), double helix feed appliance (8) and drying system (9), microwave processing system (1) is connected by hot air duct (17) with drying system (9), sludge cooler is connected by hot water piping with the internal hot-water pipeline of drying system, the microwave that microwave processing system occurs is connected by the second waveguide pipe with drying system.The present invention forms Microwave Pretreatment --- super-pressure mechanism filter-pressing --- desiccation integral formula dewatering process, greatly improves desiccation effect and drying efficiency, and reduce energy consumption.
Description
Technical field
The present invention relates to sewage sludge process field, specifically a kind of microwave conditioning dehydration and drying Treatment of Sludge system
System.
Background technology
Municipal sludge derives from the process of municipal sewage treatment, and municipal sewage treatment is mostly using living caused by biological treatment
Property sludge, containing largely including inorganic particle, microorganism, colloid, moisture etc..It is high with complicated component, moisture content, use
Commonsense method is difficult to the features such as difficult dehydration.
Sludge high-moisture percentage is the bottleneck that govern specific resistance to filtration, and the high sludge of moisture content is not only bulky, and
And contained a large amount of organic matters, heavy metal and harmful microorganism is easily degenerated or is discharged into environment, causes secondary pollution, for
The follow-up landfill of sludge, burning, recycling etc. all adversely affect.Therefore, deeply dehydrating sludge minimizing is dirty
Mud handles primary and foremost purpose, and minimizing is to realize the basis of sludge other " three change ", and sludge is more dry, and subsequent treatment disposal is more favourable.
The conventional dehydration equipment of early stage sludge has plate and frame filter press, drum centrifuge and belt type filter filter press, through these
Equipment dehydrated sludge moisture content typically in 75%-80%, these sludge because moisture content is too high, cause transport inconvenience and cost compared with
Height, and in landfill yard Direct Disposal drying time can not be caused to grow, the large amount of organic and abundant nitrogen phosphorus contained in sludge
The nutrients such as potassium, perishable generation stench cause environmental pollution.
Because the sludge content of organic matter is high, colloidal nature, dehydration difficulty etc., pre- place is typically required for before mechanical dehydration
Reason, the pretreatment mode carried out at present to municipal sludge can be divided mainly into three classes:Physics is nursed one's health:Finger is changed by external energy
The mode such as the character of sludge, common mode is buried including the pre- place of ultrasonic wave, pyrohydrolysis pretreatment, microwave radiation, freeze thawing；Chemistry is adjusted
Reason:Refer to and add the skilful agent of chemistry to change the character of sludge, such as flocculant, salt, wood chip；Biology conditioning:Refer to dispensing microorganism to lead to
Biochemical reaction is crossed to change the character of sludge, this method operating process is easy, but time-consuming longer.Because microwave has preferably
Penetrability and selectivity plus thermal property, the hydrone in sludge belong to polar molecule, and dielectric constant is larger, and tool is penetrated to microwave linchpin
There is very strong absorbability, can in a short time be rapidly heated so as to destroy the microorganism structure in sludge flco, improve sludge
Dewatering.As microwave is nursed one's health, use is proper, then energy consumption is relatively low.
It is in the market diaphragm plate frame filter press with more deep dehydration device for sludge, it is less efficient during dehydration,
Squeeze pressure is only 1.6MPa, its squeezing is injected water into inside diaphragm plate frame by high-pressure hydraulic pump, and bulging barrier film reduces filter chamber face
Product, the plastic deformation of diaphragm plate frame backup plate frame extrude；Diaphragm plate frame compression ratio is small, is grown with respect to the work period.In addition, on the market
On common elasticity squeezing sheet frame its structure construction, filter is all the injection module of an entirety, and filter, which is easily damaged, to be become
Shape, and the filter after damaging needs integral replacing so that maintenance cost is higher, it is often more important that, due to design feature and
Squeeze pressure is not high, and the currently employed diaphragm plate frame filter press may be by municipal sludge press dewatering to 60% or so, than before
Plate and frame filter press moisture content reduce many, main cause is because barrier film bulging produces twice pressing, i.e. sludge pressure to sludge
Filter chamber room is variable chamber, but the equipment needs to add the lime and molysite of over dry mud amount 30% or so, so as to greatly increase
The amount of sludge, and the processing disposal to sludge follow-up such as the lime added and iron chloride brings detrimental effect, runs counter to dirt
The minimizing of mud processing disposal and innoxious principle.
Sludge after being nursed one's health by microwave destroys sludge colloform texture, discharges some and becomes to be easy to pass through machine with reference to water
The Free water of tool method removing, into after mechanical dehydration, sludge becomes the relatively low mud cake of moisture content.The moisture content of sludge is typically also
Between 30%-40%.In order to further reduce the moisture content of sludge, can only be carried out by heat drying method at desiccation
Manage and make utilizable fuel.Current sludge drying has carries out desiccation by high-temperature flue gas to sludge, after desiccation
Tail gas also needs to be reprocessed, and drying process temperature is higher, typically between 150-200 DEG C, taste caused by desiccation
Road is heavier, and whole system is complicated.
The content of the invention
In view of this, the present invention for reduction existing for above-mentioned prior art it is bad, after dehydration moisture content still compared with
The technical problem such as height, desiccation energy consumption height, propose that one kind is pre-processed based on microwave, realize deep dehydration, and reasonable distribution profit
With energy dehydration and drying sludge treating system is nursed one's health to reduce the microwave of energy consumption.
The technical solution of the present invention is to provide a kind of microwave conditioning dehydration and drying Treatment of Sludge system of following structure
System, including it is microwave processing system, conditioner adding set, hot water piping, high-pressure pump, ultrahigh pressure multistage filter-press dehydration device, double
Feeding screw, drying system and controller, described microwave processing system is arranged on the front end of whole system, in microwave treatment
System Back-end be disposed with pipe-line mixer, sludge cooler, ultrahigh pressure multistage filter-press dehydration device, double helix feed appliance and
Drying system, the microwave processing system are connected with the connecting pipe of the pipe-line mixer and the conditioner adding set,
Double helix feed appliance is arranged on the lower end of ultrahigh pressure multistage filter-press dehydration device, the double helix feed appliance and the drying system
Charging aperture be connected, the microwave processing system is connected by hot air duct with drying system, and the sludge cooler leads to
Overheat water pipeline is connected with the internal hot-water pipeline of drying system, is taken off provided with high normal pressure and temperature airduct and the ultrahigh pressure multistage press filtration
Water installations are connected, and the microwave that described microwave processing system occurs is connected by the second waveguide pipe with drying system.
Optionally, described drying system gas outlet end is connected with First Heat Exchanger, the second heat exchanger in turn, the 3rd changed
Hot device, microwave processing system and corresponding hot air duct, the whole gas-circulating system for forming a closing, described first
Connected between heat exchanger and the 3rd heat exchanger by Ι-III pipelines, the second described heat exchanger passes through II-IV pipeline with cesspool
Connection, air complete low temperature dehumidification and high-temperature heating in a gas-circulating system；The internal hot-water pipeline of drying system, heat
Water pipeline is connected with the fluid passage of sludge cooler forms hot water cyclesystem.
Optionally, described drying system is multi-deck mesh-belt type drying system, and drying system includes drying box, panel turnover machine
Structure, internal hot-water pipeline, air-flow folded plate, guipure motion, guipure and the second waveguide pipe, described drying box are fully sheathed case
Body, described guipure are distributed as multilayer from top to down, and every layer of guipure is distributed among two air-flow folded plates, described air-flow folded plate
Dimidiation is connected with panel turnover mechanism, the first waveguide pipe connection of the second described waveguide pipe microwave processing system, and described second
Waveguide pipe is distributed corresponding microwave according to the guipure number of plies and exports number.
Optionally, what is walked inside II-IV pipeline is sewage or reclaimed water, and sewage absorbs heat in the second heat exchanger to dirty
In pond, raise sewage temperature.
Optionally, described microwave processing system for can continous way dynamic to sludge carry out microwave treatment device, including
Sludge stream gauge, microwave cavity, the first waveguide pipe, magnetron, microwave power adjuster, sludge pipe, stirring sheet and warm-air pipe
Line interface, described microwave cavity are enclosed type cavity made of metal material, and described sludge pipe is the strong material of wave
Material composition is arranged on microwave and added in cavity, stirring sheet is further fixedly arranged in described sludge pipe, to stir sludge
Mix, described hot blast pipeline interface is connected with hot air duct, and described magnetron and the first waveguide pipe are in sludge pipe direction
On be provided with multiple, first waveguide pipe is connected with the second waveguide pipe in drying system.
Optionally, flowmeter and the microwave power adjuster is connected with controller, microwave radiation energy density range
For 0.1-0.2kJ/ml, when detecting that mud discharge changes, microwave power adjuster is controlled by controller so that microwave
Radiant energy density is located in above range.
Optionally, the ultrahigh pressure multistage filter-press dehydration device is put including filtrating-pressing plate frame, two-level oil cylinder, three-level oil cylinder and power
Great institutions, press filtration chamber is formed between described filtrating-pressing plate frame, outer ring has been respectively fixedly connected with left and right sides of described filtrating-pressing plate frame
Ring and interior ring, the outer ring of two adjacent filtrating-pressing plate frames and interior ring are fitted close, and seal is provided with described interior ring；
The output end of the two-level oil cylinder is fixedly connected with quiet plate, and described force amplificatory structure is installed between quiet plate and dynamic plate, described
Three-level oil cylinder be installed on Jing Banshang, the output end of three-level oil cylinder is connected with the force amplificatory structure, and described dynamic plate acts on
Press filtration chamber；The high-pressure pump is arranged on the entering on mud passage of ultrahigh pressure multistage filter-press dehydration device, it is described enter mud passage and sludge
Cooler is connected.
Optionally, described ultrahigh pressure multistage filter-press dehydration device also include high pressure gas generator and component, pull bar and
Filter plate position controls and self-locking mechanism, and described press filtration chamber size can be controlled by filter plate position and self-locking mechanism automatically adjusts
And self-locking, the pull bar pass through quiet plate and dynamic plate, described two-level oil cylinder and contracting brake mechanism are arranged on dynamic plate, described power
Enlarger is arranged between dynamic plate and push pedal, and described three-level oil cylinder is arranged on dynamic plate, and supply is offered on filter plate assembly
The hole of body flowing, the hole is connected with high pressure gas generator and component, and the filter plate assembly includes filtrating-pressing plate frame, outer ring, interior
Ring and seal.
Optionally, described conditioner adding set includes spiral quantitative conveyer, agitator and conditioner casing, adjusts
The conditioner contained in reason agent adding set is macromolecule cation flocculant and inert particulate, described cationic flocculant
Addition is the 1 ‰ -3 ‰ of over dry mud amount, and described inert particulate addition is the 1%-5% of over dry mud amount.
Optionally, described pipe-line mixer is connected by flange with sludge pipe with sludge coil pipe, and pipe-line mixer is
Static ribbon blade mixer.
Using above structure, the present invention has advantages below：Municipal sludge first passes through microwave processing system, is made using microwave
With causing ICW to rotate at a high speed, sludge temperature under microwave treatment raises, and destroys the colloform texture of sludge, makes simultaneously
Mud granule coarsening is obtained, discharges the internal water of sludge, improves dewatering, the sludge crossed by Microwave Pretreatment enters super-pressure
Mechanism filter-pressing device carries out mechanical dehydration, and Free water and partial interior water are entered the further desiccation of anhydration system after mechanical removal
Dehydration, form Microwave Pretreatment-super-pressure mechanism filter-pressing-desiccation integral formula dewatering process.Due to the input of microwave generator
Power is more than power output and produces substantial amounts of heat, while sludge is raised by microwave temperature after heating, such as that high temperature sludge is straight
Connect and be transported in super-pressure machinery filter-press dehydration device, filter cloth at high temperature under high pressure will be damaged quickly, be arrived by sludge cooler
The heat for absorbing sludge is cooled to sludge, finally by hot air duct by the heat in microwave generator and sludge cooler
Amount is input to sludge dry system, and heat is fully used, and ensures that the longevity of super-pressure machinery filter-press dehydration system filter cloth
Life, said structure are reused heat caused by microwave generator, the heat of sludge cooling, and by leading during desiccation
Wave duct is incorporated into the microwave of microwave generator is ingenious in anhydration system, is carried out microwave+hot blast desiccation to sludge, is utilized microwave
The features such as efficiency of heating surface is high, penetration capacity is strong, selectivity heating, greatly improves desiccation effect and drying efficiency.
Brief description of the drawings
Fig. 1 is the structural representation that microwave of the present invention nurses one's health dehydration and drying sludge treating system；
Fig. 2 is the structural representation of microwave processing system in the present invention；
Fig. 3 is the structural representation of ultrahigh pressure multistage filter-press dehydration device in the present invention；
Fig. 4 is the structural representation of drying system in the present invention；
Fig. 5 is the structural representation of conditioner adding set in the present invention.
As illustrated, 1, microwave processing system, 1-1, flowmeter, 1-2, microwave cavity, 1-3, the first waveguide pipe, 1-4, magnetic
Keyholed back plate, 1-5, microwave power adjuster, 1-6, sludge pipe, 1-7, stirring sheet, 1-8, hot blast pipeline interface, 2, conditioner addition
Device, 3, pipe-line mixer, 4, sludge cooler, 5, hot water piping, 6, high-pressure pump, 7, ultrahigh pressure multistage filter-press dehydration device,
7-1, high pressure gas generator and component, 7-2, the control of filter plate position and self-locking mechanism, 7-3, force amplificatory structure, 7-4, three-level oil
Cylinder, 7-5, contracting brake mechanism, 7-6, two-level oil cylinder, 7-7, quiet plate, 7-8, dynamic plate, 7-9, pull bar, 7-10, push pedal, 7-11, filter plates
Part, 8, double helix feed appliance, 9, drying system, 9-1, drying box, 9-2, panel turnover device, 9-3, internal hot-water pipeline, 9-4,
Air-flow folded plate, 9-5, guipure motion, 9-6, guipure, 9-7, the second waveguide pipe, 10, cesspool, 11, First Heat Exchanger, 12,
Second heat exchanger, 13, air pump, 14, Ι-III pipelines, the 15, the 3rd heat exchanger, 16, II-IV pipeline, 17, hot blast pipeline, 18, charging
Pump.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The present invention covers any replacement, modification, equivalent method and scheme made in the spirit and scope of the present invention.For
Make the public have the present invention thoroughly to understand, concrete details is described in detail in present invention below preferred embodiment, and
Description without these details can also understand the present invention completely for a person skilled in the art.In addition, the accompanying drawing of the present invention
In for the needs of signal, be not drawn to scale accurately, be explained herein completely.
As Figure 1-5, the frame structure of the microwave conditioning dehydration and drying sludge treating system of the present invention is illustrated, including
Microwave processing system 1, conditioner adding set 2, hot water piping 5, high-pressure pump 6, ultrahigh pressure multistage filter-press dehydration device 7, double spiral shells
Feed appliance 8, drying system 9 are revolved, present invention additionally comprises pipe-line mixer 3, sludge cooler 4, First Heat Exchanger 11, second to exchange heat
Device 12, the 3rd heat exchanger 15, cesspool 10 (as the 4th heat exchanger), hot air duct 17, microwave processing system 1 are arranged on entirely
The front end of system, pipe-line mixer 3, sludge cooler 4, ultrahigh pressure multistage pressure are disposed with the rear end of microwave processing system 1
Dehydration device 7, double helix feed appliance 8 and drying system 9 are filtered, double helix feed appliance 8 is arranged on ultrahigh pressure multistage filter-press dehydration dress
Put 7 lower end, charging aperture of the double helix feed appliance 8 also with drying system 9 is connected, microwave processing system 1 for can continous way move
State carries out the device of microwave treatment, including sludge stream gauge 1-1, microwave cavity 1-2, the first waveguide pipe 1-3, magnetron to sludge
1-4, microwave power adjuster 1-5, sludge pipe 1-6, stirring sheet 1-7, hot blast pipeline interface 1-8, described microwave cavity 1-2
For enclosed type cavity made of metal material, described sludge pipe 1-6 is that the strong material of wave such as tetrafluoro forms, and is arranged on
Microwave adds in cavity 1-2, and stirring sheet 1-7, to be stirred to sludge, sludge pipe are further fixedly arranged in sludge pipe 1-6
Road is the compositions such as the strong material such as PTFE of wave, and the material has complete microwave transparent performance, and sludge is not allowed
Wall easy to stick, and have certain intensity, sludge pipe caliber determines according to mud discharge, because microwave radiation has to object
Limit depth, diameter are advisable in Φ 100- Φ 200mm.Because the power output of microwave generator is less than input power, both
Difference often loses, and the power being typically lost accounts for the 30%-40% of input power, and the power that this partition losses falls is with heat shape
Formula is connected by hot blast pipeline interface 1-8 with hot air duct 17 for follow-up drying system, magnetron 1-4 and waveguide pipe 1-
6 are provided with more than 4 on sludge pipe 1-8 directions.The moisture percentage in sewage sludge for entering mud should not be too low also unsuitable too high, and moisture content is too
Height, then sludge volume and quality greatly increase, the microwave energy of required consumption then increases, and moisture content is too low, then can not flow,
It is unfavorable for pumping and microwave effect is poor, moisture content optimum value is between 86%-90%.First waveguide pipe 1-3 is also with doing
The second waveguide pipe 9-7 in drying system 9 is connected.
Controller is connected with flowmeter 1-1 and microwave power adjuster 1-5, and microwave radiation energy density optimum range is
0.1-0.2kJ/ml, when detecting that mud discharge changes, microwave power adjuster 1-5 is controlled by controller so that micro-
Wave radiation energy density is located in optimum range.I.e. when flowmeter detects sludge quantity increase, microwave power adjuster tunes up
Microwave power so that microwave radiation energy density remains at 0.1-0.2kJ/ml scopes, when sludge quantity is reduced if it is opposite.
Microwave processing system 1 is connected by hot air duct 17 with drying system 9, and sludge cooler 4 passes through hot water piping 5
It is connected with the internal hot-water pipeline 9-4 of drying system 9, high normal pressure and temperature airduct 5 is connected with ultrahigh pressure multistage filter-press dehydration device 7
Connect, the microwave that microwave processing system 1 occurs is connected by the second waveguide pipe 9-6 with drying system 9, microwave processing system 1 and pipe
Conditioner adding set 2 is additionally provided between road blender 3.
Drying system 9 is multi-deck mesh-belt type drying system, and drying system 9 includes drying box 9-1, panel turnover mechanism 9-2, interior
Portion hot water piping 9-3, air-flow folded plate 9-4, guipure motion 9-5, guipure 9-6, the second waveguide pipe 9-7, drying box 9-1 are
Closed box, described guipure 9-6 are distributed as multilayer from top to down, and every layer of guipure is distributed among two air-flow folded plate 9-4, institute
The air-flow folded plate 9-4 dimidiations stated are connected with panel turnover mechanism 9-2, described waveguide pipe 9-7 and microwave heating appts 1 guided wave
Pipe 1-3 connections, waveguide pipe 9-7 are distributed corresponding microwave according to the guipure 9-6 numbers of plies and export number.Drying system 9 is dried for triple effect, point
Not Wei hot-air and sludge Convective Heating dry, hot water heats with sludge heat transfer, and microwave carries out microwave heating to sludge, and utilization is micro-
The quick heating of ripple, heating feature inside sludge is penetrated, passed by the quick heating evaporation of moisture in sludge, then by hot blast and heat
Lead and take moisture out of, first can only heat the shortcomings that slowly penetrating into internal heating from surface when solving heated-air drying, carry significantly
High drying efficiency, reduce energy consumption for drying.
The gas outlet end of drying system 9 be connected with turn First Heat Exchanger 11, the second heat exchanger 12, the 3rd heat exchanger 15,
Microwave heating appts 1, air pump 13 and corresponding hot blast pipeline 17, the whole gas-circulating system for forming a closing, first
Connected between the heat exchanger 15 of heat exchanger 11 and the 3rd by Ι-III pipelines 14, the second heat exchanger 12 and cesspool (the 4th heat exchanger)
10 are connected by II-IV pipeline 16, and what the inside of II-IV pipeline 16 was walked is sewage or reclaimed water, and sewage absorbs the second heat exchanger 12
Interior heat sewage temperature rise, is advantageous to the processing of sewage into cesspool, in general, dirty in temperature range limit
Coolant-temperature gage is higher, and the biochemical process processing for sewage is more favourable, and temperature often improves 10 DEG C, can make 1 times of microorganism accelerated growth,
Improve wastewater treatment efficiency, reduce sewage COD, BOD, total N P, improve effluent quality.Air is in a gas-circulating system
In complete low temperature dehumidification and high-temperature heating, the described heat hot water circulatory system and include the internal hot-water pipeline 9- of drying system 9
4th, hot water piping 5, sludge cooler 4.Sludge is heated after microwave treatment, and the rise of sludge temperature, elevation amplitude is up to 30-
40 DEG C, so high temperature sludge enters ultrahigh pressure multistage filter-press dehydration device, then filter cloth can be easy to damage.It is cold by sludge
But the heat absorption in high temperature sludge is sent in drying system 9 for drying by device 4.
Ultrahigh pressure multistage filter-press dehydration device 7 includes high pressure gas generator and component 7-1, filter plate position control and self-locking
Mechanism 7-2, force amplificatory structure 7-3, three-level oil cylinder 7-4, contracting brake mechanism 7-5, two-level oil cylinder 7-6, quiet plate 7-7, dynamic plate 7-8, drawing
Bar 7-9, push pedal 7-10, filter plate assembly 7-11, described filter plate assembly 7-11 include filter frame and filter plate, inside and outside ring, filter cloth with
And seal, the press filtration chamber of a closing is formed between two neighboring filter plate assembly 7-11, press filtration chamber size can be by filtering
Board position controls and self-locking mechanism 7-2 is automatically adjusted and self-locking, and described pull bar 7-9 passes through quiet plate 7-7 and dynamic plate 7-8, two level
Oil cylinder 7-6 and contracting brake mechanism 7-5 is arranged on dynamic plate 7-8, force amplificatory structure 7-3 be arranged on dynamic plate 7-8 and push pedal 7-10 it
Between, three-level oil cylinder 7-4 is arranged on dynamic plate 7-8, and the hole of gas flowing, the hole and gases at high pressure are offered on filter plate assembly 7-11
Generator and component 7-1 connections, form mechanical expression and carry double dehydration effect with high velocity air.Ultrahigh pressure multistage filter-press dehydration
Device 7 is three-level filter-press dehydration, and the first order is the feed pressure that high-pressure pump 6 provides, to the pressure limit 1.5- of sludge pressing
2MPa, the second level are the pressure that two-level oil cylinder 7-6 is provided, and to the pressure limit 3-5MPa of sludge pressing, the third level is three-level oil
The pressure that cylinder 7-4 and force amplificatory structure 7-3 is provided, to the pressure limit 10-12MPa of sludge pressing.
Conditioner adding set 2 includes spiral quantitative conveyer 2-1, agitator 2-2, conditioner casing 2-3, conditioner
The conditioner contained in adding set 2 is macromolecule cation flocculant and inert particulate, and described cationic flocculant adds
Dosage is the 1 ‰ -3 ‰ of over dry mud amount, and described inert particulate addition is the 1%-5% of over dry mud amount.Pipe-line mixer 3
It is connected by flange with sludge pipe 1-8 with sludge coil pipe 4-1, pipe-line mixer 3 is static ribbon blade mixer, its length
Mixed with conditioner by sludge and be fully defined.
Energy spectrometer, exemplified by handling the sludge of moisture content 90% per hour, microwave spoke are carried out to whole system below
It is 0.1kJ/ml to penetrate energy density, then the microwave energy required for a sludge is 105kJ, microwave output power 28kW, then
Input power is 42kW, and the difference 14kW of microwave input-output power is converted into heat and taken away by air, while sludge temperature raises
30 DEG C or so, then two parts energy finally will all be transferred to anhydration system and be dried, with 50% collection of energy ratio calculate,
It is about finally 7.2x104kJ to the energy consumption in anhydration system, sludge is contained by ultrahigh pressure multistage filter-press dehydration device dehydrated sludge
Water rate is about 30%-40%, takes median, is dehydrated with the mud cake of moisture content 35% in anhydration system to 20%, required to go
The biodiversity removed is 30kg, then the heat required for evaporation 30kg moisture is about 7.8x104kJ, the heat of moisture evaporation with
The heat that microwave transfer comes is almost equal, only needs a small amount of about 6x103kJ microwaves to heat heat in anhydration system,
Energy balance can be met in anhydration system by only needing 2kW or so microwave power, and the small part microwave is played in desiccation system
The quick heating of system, the effect of inside heating.
The operation principle of the present invention is as follows：Moisture content 86%-90% sludge is fed to microwave processing system, in microwave
The lower sludge colloid of processing is destroyed, and sludge internal water, which discharges, becomes Free water, and mud granule increase thickening, dewatering changes
It is kind, meanwhile, the rise of sludge microwave heating temperature.Cation polymeric flocculant is being nursed one's health with wood pellet or diatomite with water
Stirred evenly in agent adding set, be then transported to by spiral quantitative conveyer in sludge pipe, and by the dirt after microwave treatment
Mud mixes in pipe-line mixer, and sludge forms bulky grain sludge flco after being flocculated agent flocculation, while wood pellet is also in dirt
Skeleton during dehydration is formed in mud, to provide the passage distributed in super-pressure press filteration system reclaimed water, high temperature sludge is cold in sludge
But device heat is absorbed, and sludge temperature reduces, and air themperature rise, superelevation is pumped into by high pressure when sludge temperature is down to normal temperature
To press multistage filter-press dehydration device to be dehydrated, one-level dehydration is carried out first under feed pressure, one-level dehydration stops charging after terminating,
Under two-level oil cylinder's effect, two level press dewatering is carried out, two level press dewatering terminates under three-level oil cylinder and force amplificatory structure effect
Three-level dehydration is carried out, the squeeze pressure of three-level dewatered sludge is respectively 1.5-2MPa, 3-5MPa, 10-12MPa, in superpressure press for making
After tool press dewatering, the mud cake of shaping enters double helix feed appliance, double helix feed appliance it is broken under form little particle sludge,
The charging aperture of drying system is fed to, starts drying into drying box, sludge enters drying box upper strata, transported on guipure
Dynamic, hot-air carries out heat and mass with sludge from below to up, while hot water in-line moves, and transfers heat to metal mesh belt
Conduction heat exchange is carried out with sludge, while the microwave introduced from microwave processing system by waveguide carries out microwave in drying box and added
Heat, quick heating inside sludge is deep into, forms hot blast+triple drying effects of hot water+microwave, sludge drying in drying reaches
(20%) is discharged after required moisture content, and a cycle terminates.
Only preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This
Invention is not only limited to above example, and its concrete structure allows to change.In a word, all guarantors in independent claims of the present invention
The various change made in the range of shield is within the scope of the present invention.
Claims (10)
1. a kind of microwave nurses one's health dehydration and drying sludge treating system, it is characterised in that：Including microwave processing system (1), conditioner
Adding set (2), hot water piping (5), high-pressure pump (6), ultrahigh pressure multistage filter-press dehydration device (7), double helix feed appliance (8),
Drying system (9) and controller, described microwave processing system (1) is arranged on the front end of whole system, in microwave processing system
(1) rear end is disposed with pipe-line mixer (3), sludge cooler (4), ultrahigh pressure multistage filter-press dehydration device (7), double helix
Feed appliance (8) and drying system (9), the connecting pipe of the microwave processing system (1) and the pipe-line mixer (3) and described
Conditioner adding set (2) connects, and double helix feed appliance (8) is arranged on the lower end of ultrahigh pressure multistage filter-press dehydration device (7), institute
The charging aperture that double helix feed appliance (8) is stated with the drying system (9) is connected, and the microwave processing system (1) passes through hot blast
Pipeline (17) is connected with drying system (9), and the sludge cooler (4) is interior by hot water piping (5) and drying system (9)
Portion's hot water piping (9-4) is connected, and is connected provided with high normal pressure and temperature airduct (5) with the ultrahigh pressure multistage filter-press dehydration device (7),
The microwave that described microwave processing system (1) occurs is connected by the second waveguide pipe (9-7) with drying system (9).
2. microwave according to claim 1 nurses one's health dehydration and drying sludge treating system, it is characterised in that：Described dries system
System (9) gas outlet end be connected with turn First Heat Exchanger (11), the second heat exchanger (12), the 3rd heat exchanger (15), at microwave
Reason system (1) and corresponding hot air duct (17), the whole gas-circulating system for forming a closing, the described first heat exchange
It is connected between device (11) and the 3rd heat exchanger (15) by Ι-III pipelines (14), described the second heat exchanger (12) and cesspool
(10) connected by II-IV pipeline (16), air completes low temperature dehumidification and high-temperature heating in a gas-circulating system；Dry
Internal hot-water pipeline (9-4), the hot water piping (5) of system (9) are connected with the fluid passage of sludge cooler (4) forms hot water
The circulatory system.
3. microwave according to claim 1 or 2 nurses one's health dehydration and drying sludge treating system, it is characterised in that：Described is dry
Drying system (9) is multi-deck mesh-belt type drying system, and drying system (9) includes drying box (9-1), panel turnover mechanism (9-2), inside
Hot water piping (9-3), air-flow folded plate (9-4), guipure motion (9-5), guipure (9-6) and the second waveguide pipe (9-7), it is described
Drying box (9-1) be closed box, described guipure (9-6) is distributed as multilayer from top to down, and every layer of guipure is distributed in two
Among individual air-flow folded plate (9-4), described air-flow folded plate (9-4) dimidiation is connected with panel turnover mechanism (9-2), and described second
Waveguide pipe (9-7) is connected with the first waveguide pipe (1-3) of microwave processing system (1), and second waveguide pipe (9-7) is according to guipure
(9-6) number of plies is distributed corresponding microwave outlet number.
4. microwave according to claim 2 nurses one's health dehydration and drying sludge treating system, it is characterised in that：II-IV pipeline
(16) what the inside was walked is sewage or reclaimed water, and sewage absorbs heat in the second heat exchanger (12) into cesspool, makes sewage temperature
Degree rise.
5. microwave according to claim 1 nurses one's health dehydration and drying sludge treating system, it is characterised in that：At described microwave
Reason system (1) for can continous way dynamic the device of microwave treatment, including sludge stream gauge (1-1), microwave cavity are carried out to sludge
(1-2), the first waveguide pipe (1-3), magnetron (1-4), microwave power adjuster (1-5), sludge pipe (1-6), stirring sheet (1-
7) and hot blast pipeline interface (1-8), described microwave cavity (1-2) is enclosed type cavity made of metal material, described dirt
Mud pipeline (1-6) is arranged on microwave for the strong material composition of wave and added in cavity (1-2), in described sludge pipe (1-6)
Stirring sheet (1-7) is further fixedly arranged on, to be stirred to sludge, described hot blast pipeline interface (1-8) and hot air duct
(17) be connected, described magnetron (1-4) be provided with the first waveguide pipe (1-3) on sludge pipe (1-6) direction it is multiple,
First waveguide pipe (1-3) is connected with the second waveguide pipe (9-7) in drying system (9).
6. microwave according to claim 5 nurses one's health dehydration and drying sludge treating system, it is characterised in that：The flowmeter
(1-1) and microwave power adjuster (1-5) are connected with controller, and microwave radiation energy density range is 0.1-0.2kJ/ml,
When detecting that mud discharge changes, microwave power adjuster (1-5) is controlled by controller so that microwave radiation energy is close
Degree is in above range.
7. microwave according to claim 1 nurses one's health dehydration and drying sludge treating system, it is characterised in that：The super-pressure is more
Level filter-press dehydration device (7) includes filtrating-pressing plate frame, two-level oil cylinder (7-6), three-level oil cylinder (7-4) and force amplificatory structure (7-3), institute
Press filtration chamber is formed between the filtrating-pressing plate frame stated, outer ring and inner ring have been respectively fixedly connected with left and right sides of described filtrating-pressing plate frame
Ring, the outer ring of two adjacent filtrating-pressing plate frames and interior ring are fitted close, and seal is provided with described interior ring；The two level
The output end of oil cylinder (7-6) is fixedly connected with quiet plate (7-7), and described force amplificatory structure (7-3) is installed on quiet plate (7-7) and moved
Between plate (7-8), described three-level oil cylinder (7-4) is installed on quiet plate (7-7), the output end of three-level oil cylinder (7-4) with it is described
Force amplificatory structure (7-3) connects, and described dynamic plate (7-8) acts on press filtration chamber；The high-pressure pump (6) is arranged on ultrahigh pressure multistage
Filter-press dehydration device enters on mud passage, it is described enter mud passage be connected with sludge cooler (4).
8. microwave according to claim 7 nurses one's health dehydration and drying sludge treating system, it is characterised in that：Described super-pressure
Multistage filter-press dehydration device (7) also includes high pressure gas generator and component (7-1), pull bar (7-9) and filter plate position control and
Self-locking mechanism (7-2), described press filtration chamber size can be controlled by filter plate position and self-locking mechanism (7-2) automatically adjusts and oneself
Lock, the pull bar (7-9) pass through quiet plate (7-7) and dynamic plate (7-8), described two-level oil cylinder (7-6) and contracting brake mechanism (7-5)
It is arranged on dynamic plate (7-8), described force amplificatory structure (7-3) is arranged between dynamic plate (7-8) and push pedal (7-10), described
Three-level oil cylinder (7-4) is arranged on dynamic plate (7-8), and the hole of supplied gas flowing, the Kong Yugao are offered on filter plate assembly (7-11)
Pressure gas generator and component (7-1) connection, the filter plate assembly (7-11) include filtrating-pressing plate frame, outer ring, interior ring and close
Sealing.
9. microwave according to claim 1 nurses one's health dehydration and drying sludge treating system, it is characterised in that：Described conditioner
Adding set (2) includes spiral quantitative conveyer (2-1), agitator (2-2) and conditioner casing (2-3), conditioner addition
The conditioner contained in device (2) is macromolecule cation flocculant and inert particulate, and described cationic flocculant adds
Measure as the 1 ‰ -3 ‰ of over dry mud amount, described inert particulate addition is the 1%-5% of over dry mud amount.
10. microwave according to claim 9 nurses one's health dehydration and drying sludge treating system, it is characterised in that：Described pipeline
Blender (3) is connected by flange with sludge pipe (1-8) with sludge coil pipe (4-1), and pipe-line mixer (3) is static ribbon piece
Formula blender.
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| CN2017102263452 | 2017-04-08 | ||
| CN201710226345 | 2017-04-08 |
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| CN201711016114.5A Active CN107585983B (en) | 2017-04-08 | 2017-10-27 | Municipal sludge depth reduction method for microwave auxiliary treatment |
| CN201711023698.9A Active CN107698126B (en) | 2017-04-08 | 2017-10-27 | Microwave improves dehydration and drying sludge treating system |
| CN201711016434.0A Active CN107572741B (en) | 2017-04-08 | 2017-10-27 | The municipal sludge depth minus quantization device of microwave-assisted processing |
| CN201711073442.9A Active CN107638724B (en) | 2017-04-08 | 2017-11-05 | Embedded multi-cavity sludge high-dryness dewatering device |
| CN201711073443.3A Active CN107670353B (en) | 2017-04-08 | 2017-11-05 | Multi-chamber sludge high-dryness dewatering device |
| CN201711388377.9A Active CN108503176B (en) | 2017-04-08 | 2017-12-20 | Microwave improves dehydration and drying method for sludge treatment |
| CN201711497457.8A Active CN108101340B (en) | 2017-04-08 | 2017-12-31 | High-dryness sewage sludge dewatering method with double effects of mechanical squeezing and air flow carrying |
| CN201810255306.XA Active CN108358423B (en) | 2017-04-08 | 2018-03-26 | Multi-cavity multi-stage filter-pressing sludge dewatering device |
| CN201820406930.0U Expired - Fee Related CN208802977U (en) | 2017-04-08 | 2018-03-26 | A kind of multi-chamber multistage filters pressing sludge dehydration device |
| CN201810249136.4A Active CN108358422B (en) | 2017-04-08 | 2018-03-26 | Multi-cavity multi-stage filter pressing sludge dewatering method |
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| CN201711016114.5A Active CN107585983B (en) | 2017-04-08 | 2017-10-27 | Municipal sludge depth reduction method for microwave auxiliary treatment |
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| CN201711016434.0A Active CN107572741B (en) | 2017-04-08 | 2017-10-27 | The municipal sludge depth minus quantization device of microwave-assisted processing |
| CN201711073442.9A Active CN107638724B (en) | 2017-04-08 | 2017-11-05 | Embedded multi-cavity sludge high-dryness dewatering device |
| CN201711073443.3A Active CN107670353B (en) | 2017-04-08 | 2017-11-05 | Multi-chamber sludge high-dryness dewatering device |
| CN201711388377.9A Active CN108503176B (en) | 2017-04-08 | 2017-12-20 | Microwave improves dehydration and drying method for sludge treatment |
| CN201711497457.8A Active CN108101340B (en) | 2017-04-08 | 2017-12-31 | High-dryness sewage sludge dewatering method with double effects of mechanical squeezing and air flow carrying |
| CN201810255306.XA Active CN108358423B (en) | 2017-04-08 | 2018-03-26 | Multi-cavity multi-stage filter-pressing sludge dewatering device |
| CN201820406930.0U Expired - Fee Related CN208802977U (en) | 2017-04-08 | 2018-03-26 | A kind of multi-chamber multistage filters pressing sludge dehydration device |
| CN201810249136.4A Active CN108358422B (en) | 2017-04-08 | 2018-03-26 | Multi-cavity multi-stage filter pressing sludge dewatering method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108503176A (en) | 2018-09-07 |
| CN107555759B (en) | 2019-10-01 |
| CN108503176B (en) | 2019-11-01 |
| CN108101340B (en) | 2020-02-04 |
| CN107572741A (en) | 2018-01-12 |
| CN107585983B (en) | 2023-10-24 |
| CN108358423A (en) | 2018-08-03 |
| CN107638724B (en) | 2023-02-07 |
| CN107670353B (en) | 2023-11-17 |
| CN108101340A (en) | 2018-06-01 |
| CN107670353A (en) | 2018-02-09 |
| CN107555759A (en) | 2018-01-09 |
| CN108358422B (en) | 2020-11-27 |
| CN107698126B (en) | 2019-11-01 |
| CN208802977U (en) | 2019-04-30 |
| CN107638724A (en) | 2018-01-30 |
| CN108358422A (en) | 2018-08-03 |
| CN107585983A (en) | 2018-01-16 |
| CN107572741B (en) | 2019-11-19 |
| CN108358423B (en) | 2021-07-02 |
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