CN107337335A - A kind of sludge drying and the equipment and technique of charing - Google Patents
A kind of sludge drying and the equipment and technique of charing Download PDFInfo
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- CN107337335A CN107337335A CN201710652331.7A CN201710652331A CN107337335A CN 107337335 A CN107337335 A CN 107337335A CN 201710652331 A CN201710652331 A CN 201710652331A CN 107337335 A CN107337335 A CN 107337335A
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- sludge
- charing
- low temperature
- desiccation
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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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of sludge drying and the equipment and technique of charing, including sludge thicking dewatering equipment, low temperature desiccation apparatus, sludge retorting carbonization device, heating system and exhaust treatment system, dehydration body, low temperature dehumidification desiccation machine, the main stove of sludge carbonization have been sequentially arranged according to wet mud material feedstock direction, for the configuration technique of moisture percentage in sewage sludge 95% 99.2%, its handling process is compared with existing charring process：Material of the wet mud after the processing of low temperature desiccation apparatus can directly enter sludge retorting carbonization device and handle, secondary furnace system is carbonized without installing additional, desiccation charing is carried out to sludge, not only floor space is small, comprehensive method of investment cost is low, is not likely to produce secondary hazards to environment, and low temperature desiccation apparatus energy utilization rate is higher, sludge adhesion problem caused by being avoided that the secondary stove of charing, has higher market value and broader practice field.
Description
Technical field
The present invention relates to technical field of sludge treatment, the equipment and technique of specially a kind of sludge drying and charing.
Background technology
Sludge is the inevitable outcome of sewage treatment plant and sewage disposal.With the lasting propulsion of China's process of industrialization, city
Town sewage plant and industrial enterprise produce a large amount of sludge.Statistics shows that China's sludge yield reached 4000~5000 in 2016
Ten thousand tons/year.Sludge could need to enter environment through appropriate processing disposal, without the sludge appropriately disposed can directly to water body with greatly
Gas brings secondary pollution, not only reduces the effective processing capacity of sewage disposal, and ecological environment and mankind's activity are formed
Serious threat.At present, mainly there are landfill, fermented manure, drying and incineration in China to the processing mode of sludge.
The shortcomings that these existing disposal technologies, is as follows：Sludge landfill and fermented manure take up an area big, disposal cycle length, destroy life
State and follow-up disposal difficulty；Drying and incineration Direct Disposal cost is higher, mishandling secondary pollution, sludge is easily caused to air
Following resourceization utilizes low.Above-mentioned disposal process can add substantial amounts of inorganic medicament (such as ferric trichloride and lime), phase simultaneously
To reduce sludge treatment capacity.The inorganic medicament such as lime of addition is unfavorable for following resourceization profit because calorific value is extremely low
With the medicament such as ferric trichloride of addition can cause bigger corrosion to equipment, influence service life of equipment.
The content of the invention
It is an object of the invention to provide a kind of integrated cost is low, environmental pollution is small and can realize recycling sludge recovery profit
Sludge drying and the equipment and technique of charing, to solve the traditional sludge disposing technique defect proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of sludge drying and the equipment of charing, including dirt
Mud thickening device, low temperature desiccation apparatus, sludge retorting carbonization device, heating system and exhaust treatment system；The sludge
Thickening device includes flocculation reaction groove and dehydration body；The side of the flocculation reaction groove is provided with charging aperture, and flocculation is anti-
The opposite side of groove is answered to be connected by soft pipeline with dehydration body, sludge flows into dehydration originally by soft pipeline by flocculation reaction groove
In vivo；The side of the dehydration body is provided with discharging opening, discharging opening face conveying worm, and sludge is discharged by spiral shell through discharging opening
Rotation conveyer is promoted in low temperature desiccation apparatus；
The low temperature desiccation apparatus includes charging breaker, distribution device, low temperature dehumidification desiccation machine；The charging is broken
The wet mud outlet of face conveying worm at the port of device, wet mud is successively after charging breaker, distribution device
Be distributed on the desiccation crawler belt of low temperature dehumidification desiccation machine, and by drive motor drive crawler belt slowly walk, while hot dry air by
Enter air inlet below crawler belt, be evaporated drying to sludge from bottom to top, the sludge of desiccation drops to lower floor by upper strata crawler belt
Crawler belt is until arrive outlet；The lower section face conveying worm of the outlet, and by face conveying worm by dewatered sludge
It is promoted in sludge retorting carbonization device；
The sludge retorting carbonization device is by sludge reception system, the main stove of sludge carbonization and carbonated product cooling packing system
Composition；The side of the sludge reception system is provided with the dewatered sludge mud inlet for receiving conveying worm transmission, mud inlet
Lower section be provided with sludge distribution device, and by sludge distribution device by dewatered sludge uniform feeding to the main stove of sludge carbonization, dewatered sludge exists
The rotation conveying through eccentric screw conveying axis is advanced slowly in the main stove of sludge carbonization, forms Granular sludge, and be sent to carbonization
Product cooling packaging system inner packing finished product；
The heating system by combustion chamber, heat-exchange device, air-introduced machine, carbonized gas treating column and fume collection pipeline,
Backheat pipeline, heat supplying pipeline are formed；The sludge retorting carbonization device produces largely does not coagulate destructive distillation by what hydrocarbon formed
Gas, collected through high-temperature flue gas recovery port；The high-temperature flue gas recovery port is connected with carbonized gas treating column by backheat pipeline, and
Spray condensation is carried out by carbonized gas treating column；Air-introduced machine is connected with the carbonized gas treating column, on-condensible gas is through air-introduced machine
Collect to combustion chamber, carry out second-time burning heat supply；Heat recovery mouth on the low temperature desiccation apparatus passes through fume collection pipe
Road is connected with air-introduced machine, and is delivered to heat-exchange device by air-introduced machine and is realized recycling for heat；The heat exchange dress
Put installed in the side of combustion chamber, heated dry air is provided for low temperature desiccation apparatus；
The exhaust treatment system includes deacidifying device, air-introduced machine, cyclone dust collector, bag-type dust collector, smoke aloft
Chimney, volume adjusting apparatus and supporting exhaust pipe；The deacidifying device connects the exhaust collection of combustion chamber by exhaust pipe
On mouth, volume adjusting apparatus is provided between collection port and deacidifying device；The opposite side of the deacidifying device by pipeline according to
Secondary connection air-introduced machine, cyclone dust collector, bag-type dust collector and high-altitude chimney, the tail gas after processing pass through air-introduced machine and high-altitude
Chimney is discharged.
Preferably, sludge agent mixer area and flocculation stirring area are provided with the flocculation reaction groove, sludge medicament mixes
Clutch area and flocculation stirring area connect connection by bottom, and sludge agent mixer area will be flocculated adding of agent by charging aperture
Enter in sludge thicking dewatering equipment.
Preferably, the dehydration body is provided with multiple parts, including helical axis, lamination, this body support frame, filtrate collection
Case, purging system, motor and reductor, helical axis, lamination, this body support frame form spiral body, and spiral body is installed on described
Dehydration body interior, motor reducer is connected with helical axis, drives the low speed rotation of helical axis, rotating speed 2-4rpm.
Preferably, the sludge thicking dewatering equipment type selecting is folded spiral shell formula thickening machine, and it can be according to actual process need
Ask from belt thickener dewaterer, centrifugal dehydrator, frame dehydration machine.
Preferably, the low temperature dehumidification desiccation machine device has the track module of cycle rotation, can be it is double-deck, three layers or more
Layer is stacked, and every layer can independently rotate.
Preferably, second temperature pressure sensor device, second temperature pressure sensing are provided with the heat-exchange device
Device is connected to low temperature dehumidification desiccation machine by heat supplying pipeline, and volume adjusting apparatus is provided with heat supplying pipeline.
Preferably, the high-temperature flue gas mouth of the combustion chamber is provided with the first temperature pressure sensing device, the first temperature, pressure
Sensing device is connected to the main stove of sludge carbonization by heat supplying pipeline, and volume adjusting apparatus is provided with heat supplying pipeline.
Preferably, the combustion chamber directly using standard coal, biomass, natural gas or combustible and combines sludge destructive distillation charcoal
Makeup is put caused not solidifying carbonizing gas and burnt, and ignition temperature is controlled in 450-550 degrees centigrades, there is provided to sludge carbon
The high-temperature flue-gas for changing main stove is controlled at 300-350 degrees Celsius, there is provided the hot dry air temperature control to low temperature desiccation apparatus
It is anaerobic high temperature state in 75-85 degrees Celsius, the main stove of sludge carbonization.
The present invention provides another technical solution：A kind of sludge drying and the technique of charing, comprise the following steps：
S1：Raw sewage is lifted into sludge thicking dewatering equipment through sludge pump, the machinery through sludge thicking dewatering equipment
Flocculation dewatering, moisture percentage in sewage sludge 95%~99.2% is set to be down to moisture content about 80%, while removing sludge water content, sludge possesses
Certain plasticity；
S2：The sludge of moisture content in S1 about 80% is lifted into low temperature desiccation apparatus through conveying worm, it is dirty herein
Mud is successively after breaker and distribution device, and wet mud is distributed on the crawler belt of low temperature desiccation apparatus, and crawler belt is slowly walked
While by hot blast drying is evaporated to sludge, the moisture of wet mud is dried to moisture content 20%~50%；
S3：Dewatered sludge in S2 is lifted into sludge retorting carbonization device, by carbonizing the consolidation destructive distillation of main stove,
Again charing grain products are finally given after carbonated product cooling packing system cooling packing.
Preferably, heating system is provided with the step S2-S3 and provides heat for the desiccation of sludge and charing.
Preferably, exhaust treatment system is connected with the heating system, exhaust treatment system is by combustion tail gas through tail gas
Collection port is discharged, the sour gas entered after air quantity is adjusted in deacidifying device removing flue gas, is sent into whirlwind by air-introduced machine and is removed
Dirt device and bag-type dust collector, for removing suspended particle in gas, the tail gas of purification passes through air-introduced machine and high-altitude chimney
It is expelled to air.
Compared with prior art, the beneficial effects of the invention are as follows：
This sludge drying and the equipment and technique of charing, including sludge thicking dewatering equipment, low temperature desiccation apparatus, sludge are done
Carbonizing apparatus, heating system and exhaust treatment system are evaporated, dehydration body, low has been sequentially arranged according to wet mud material feedstock direction
Temperature dehumidifying desiccation machine, the main stove of sludge carbonization, for moisture percentage in sewage sludge 95%-99.2% configuration technique, its handling process and existing
There is charring process to compare：Material of the wet mud after the processing of low temperature desiccation apparatus can directly enter sludge retorting carbonization device
Processing, secondary furnace system is carbonized without installing additional, and desiccation charing is carried out to sludge, not only floor space is small, comprehensive method of investment cost is low,
Secondary hazards are not likely to produce to environment, and low temperature desiccation apparatus energy utilization rate is higher, is avoided that dirty caused by the secondary stove of charing
Mud adhesion problem, there is higher market value and broader practice field.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is overall structure flow chart of the present invention.
In figure：1 flocculation reaction groove；1a charging apertures；2 dehydration bodies；2a discharging openings；3 charging breakers；4 distribution devices；
5 low temperature dehumidification desiccation machines；5a outlets；5b air inlets；5c heat recovery mouths；6 sludge reception systems；6a sludge distribution devices；6b is done
Sludge mud inlet；6c high-temperature flue gas recovery ports；The main stove of 7 sludge carbonizations；7a eccentric screw conveying axis；7b carbonizers heat supplies
Mouthful；8 carbonated product cooling packing systems；8a carbonizes particle outlet；9 combustion chambers；The carbonized gas import of 9a combustion chambers；The temperature of 9b first
Pressure sensor device；9c combustion chambers offgas outlet；10 heat-exchange devices；10a second temperature pressure sensor devices；11 air inducing
Machine；12 carbonized gas treating columns；13 cyclone dust collectors；14 bag-type dust collectors；15 high-altitude chimneys；16 deacidifying devices；17 spirals
Conveyer；18 volume adjusting apparatus；A sludge thicking dewatering equipments；B low temperature desiccation apparatus；C sludge retorting carbonization devices；D heat supplies
System；E exhaust treatment systems；M fume collection pipelines；N backheat pipelines；Q heat supplying pipelines；P exhaust pipes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, in the embodiment of the present invention：A kind of sludge drying and the equipment of charing, including sludge concentration and dewatering
Device A, low temperature desiccation apparatus B, sludge retorting carbonization device C, heating system D and exhaust treatment system E；Sludge concentration and dewatering fills
Putting A includes flocculation reaction groove 1 and dehydration body 2, and sludge thicking dewatering equipment A type selectings are folded spiral shell formula thickening machine, and it can root
Factually border process requirements are from belt thickener dewaterer, centrifugal dehydrator, frame dehydration machine；The side of flocculation reaction groove 1 is set
Have a charging aperture 1a, the opposite side of flocculation reaction groove 1 is connected by soft pipeline with dehydration body 2, sludge by soft pipeline by
Flocculation reaction groove 1 is flowed into dehydration body 2；Sludge agent mixer area and flocculation stirring area are provided with flocculation reaction groove 1, it is dirty
Mud agent mixer area connects connection with flocculation stirring area by bottom, and sludge agent mixer area will be wadded a quilt with cotton by charging aperture 1a
Solidifying adding of agent enters in sludge thicking dewatering equipment A；The side of dehydration body 2 is provided with discharging opening 2a, discharging opening 2a face spiral shells
Conveyer 17 is revolved, sludge is discharged through discharging opening 2a and is promoted to by conveying worm 17 in low temperature desiccation apparatus B, and dehydration body 2 is set
It is equipped with multiple parts, including helical axis, lamination, this body support frame, filtrate collecting box, purging system, motor and reductor, spiral
Axle, lamination, this body support frame form spiral body, and spiral body is installed on inside described dehydration body 2, motor reducer and spiral shell
Spin axis is connected, and drives the low speed rotation of helical axis, rotating speed 2-4rpm.
Low temperature desiccation apparatus B includes charging breaker 3, distribution device 4, low temperature dehumidification desiccation machine 5, low temperature dehumidification desiccation
The device of machine 5 has the track module of cycle rotation, can be double-deck, three layers or multiple-layer stacked arrangement, every layer can independently rotate；Enter
Expect breaker 3 port at face conveying worm 17 wet mud outlet, wet mud successively by charging breaker 3,
It is distributed on after distribution device 4 on the desiccation crawler belt of low temperature dehumidification desiccation machine 5, and drives crawler belt slowly to walk by drive motor, together
When hot dry air by entering air inlet 5b below crawler belt, drying is evaporated to sludge from bottom to top, the sludge of desiccation is by upper strata
Crawler belt drops to lower floor's crawler belt until arriving outlet 5a；Outlet 5a lower section face conveying worm 17, and pass through face spiral shell
Dewatered sludge is promoted in sludge retorting carbonization device C by rotation conveyer 17.
Sludge retorting carbonization device C is by sludge reception system 6, the main stove 7 of sludge carbonization and carbonated product cooling packing system 8
Composition；The side of sludge reception system 6 is provided with the dewatered sludge mud inlet 6b for receiving the transmission of conveying worm 17, mud inlet
Sludge distribution device 6a is provided with below 6b, and is done by sludge distribution device 6a by dewatered sludge uniform feeding to the main stove 7 of sludge carbonization
Sludge rotation conveying through eccentric screw conveying axis 7a in the main stove 7 of sludge carbonization is advanced slowly, and forms Granular sludge, and pass
Deliver to the inner packing finished product of carbonated product cooling packing system 8.
Heating system D is by combustion chamber 9, heat-exchange device 10, air-introduced machine 11, carbonized gas treating column 12 and fume collection pipe
Road M, backheat pipeline N, heat supplying pipeline Q are formed；The sludge retorting carbonization device C is produced and is largely made up of not hydrocarbon
Solidifying carbonizing gas, are collected through high-temperature flue gas recovery port 6c；The high-temperature flue gas recovery port 6c is connected with charing by backheat pipeline N
Gas disposal tower 12, and spray condensation is carried out by carbonized gas treating column 12；Air-introduced machine is connected with the carbonized gas treating column 12
11, on-condensible gas is collected to combustion chamber 9 through air-introduced machine 11, carries out second-time burning heat supply；Heat on the low temperature desiccation apparatus B
Amount recovery port 5c is connected by fume collection pipeline M with air-introduced machine 11, and is delivered to heat-exchange device 10 in fact by air-introduced machine 11
Existing heat is recycled, and second temperature pressure sensor device 10a is provided with heat-exchange device 10, and second temperature pressure passes
Induction device 10a is connected to low temperature dehumidification desiccation machine 5 by heat supplying pipeline Q, and is provided with volume adjusting apparatus on heat supplying pipeline Q
18；The high-temperature flue gas mouth of combustion chamber 9 is provided with the first temperature pressure sensing device 9b, and the first temperature pressure sensing device 9b passes through
Heat supplying pipeline Q is connected to the main stove 7 of sludge carbonization, and volume adjusting apparatus 18 is provided with heat supplying pipeline Q；Heat-exchange device
10 are arranged on the side of combustion chamber 9, and heated dry air is provided for low temperature desiccation apparatus B；Combustion chamber 9 is directly using standard coal, biology
Matter, natural gas or combustible and not solidifying carbonizing gas are burnt with reference to caused by sludge retorting carbonization device C, ignition temperature control
System is in 450-550 degrees centigrades, there is provided the high-temperature flue-gas to the main stove 7 of sludge carbonization is controlled at 300-350 degrees Celsius, is carried
The hot dry air temperature control for supplying low temperature desiccation apparatus B is anaerobic high temperature shape in 75-85 degrees Celsius, the main stove 7 of sludge carbonization
State.
Exhaust treatment system E includes deacidifying device 16, air-introduced machine 11, cyclone dust collector 13, bag-type dust collector 14, height
Empty chimney 15, volume adjusting apparatus 18 and supporting exhaust pipe P；The deacidifying device 16 is burnt by exhaust pipe P connections
On the exhaust collection mouth 9c of room 9, volume adjusting apparatus 18 is provided between collection port 9c and deacidifying device 16；The depickling dress
The opposite side for putting 16 is sequentially connected air-introduced machine 11, cyclone dust collector 13, bag-type dust collector 14 and high-altitude chimney by pipeline
15, the tail gas after processing is discharged by air-introduced machine 11 and high-altitude chimney 15.
A kind of sludge drying and the technique of charing, comprise the following steps：
The first step：Raw sewage is lifted into sludge thicking dewatering equipment A through sludge pump, through sludge thicking dewatering equipment A
Mechanical flocculation dewatering, moisture percentage in sewage sludge 95%~99.2% is down to moisture content about 80%, it is dirty while removing sludge water content
Mud possesses certain plasticity；
Second step：The sludge of moisture content in step 1 about 80% is lifted into low temperature desiccation apparatus through conveying worm 17
In B, in this sludge successively after breaker 3 and distribution device 4, wet mud is distributed on low temperature desiccation apparatus B crawler belt,
Drying is evaporated to sludge by hot blast while crawler belt is slowly walked, by the moisture of wet mud be dried to moisture content 20%~
50%；
3rd step：Dewatered sludge in step is lifted into sludge retorting carbonization device C, by carbonizing consolidating for main stove
Destructive distillation is tied, then finally gives charing grain products after the cooling packing of carbonated product cooling packing system 8, in step S2-S3
It is provided with heating system D and provides heat for the desiccation of sludge and charing, exhaust treatment system E, tail gas is connected with heating system D
Processing system E discharges combustion tail gas through exhaust collection mouth 9c, and deacidifying device 16 is entered after air quantity is adjusted and is removed in flue gas
Sour gas, cyclone dust collector 13 and bag-type dust collector 14 are sent into by air-introduced machine 11, for removing suspension in gas
Particle, the tail gas of purification are expelled to air by air-introduced machine 11 and high-altitude chimney 15.
In summary：The present invention provides the processing disposal system of a kind of sludge concentration and dewatering, low temperature desiccation and dry distillation charring,
It mainly configures as follows：Including low temperature desiccation apparatus, sludge retorting carbonization device and its supporting auxiliary device, it is specially：Press
Sludge thicking dewatering equipment A, low temperature desiccation apparatus B, sludge dry distillation charring dress have been sequentially arranged according to wet mud material feedstock direction
C is put, for moisture percentage in sewage sludge 95%-99.2% configuration technique, its handling process is compared with existing charring process：Wet mud passes through
The material crossed after low temperature desiccation apparatus B processing can directly enter sludge retorting carbonization device C processing, secondary without installing charing additional
Stove (also known as desiccation stove) system, desiccation charing is carried out to sludge, not only floor space is small, comprehensive method of investment cost is low, to environment not
Secondary hazards are also easy to produce, and low temperature desiccation apparatus energy utilization rate is higher, is avoided that sludge caused by the secondary stove of charing bonds and asks
Topic, has higher market value and broader practice field.
Such as：Can solve the problems, such as hotel, the heat supply and blowdown of hospital's cloth grass washing with washing industry cooperation；It can be used for
Building, the heat-insulating heat-preserving material of brooder, energy utilization rate are high；It can be used for soil improvement fertilizer, soil remediation fertilizer, optimize and abundant
Microbial populations in soil, the degraded of soil deposit xenobiontics (agricultural chemicals, hormone, antibiotic etc.) is effectively facilitated, is had to soil
The pollution of machine thing has good repairing accelerant effect；Soil fertilizer conservation can also be used, prevents desertification of land, plant growth is helped, changes
Kind soil texture, improves greenery patches water suction, water storage, infiltration, water purification function.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (11)
1. a kind of sludge drying and the equipment of charing, it is characterised in that filled including sludge thicking dewatering equipment (A), low temperature desiccation
Put (B), sludge retorting carbonization device (C), heating system (D) and exhaust treatment system (E)；The sludge thicking dewatering equipment
(A) flocculation reaction groove (1) and dehydration body (2) are included；The side of the flocculation reaction groove (1) is provided with charging aperture (1a), wadding
The opposite side of solidifying reactive tank (1) is connected by soft pipeline with dehydration body (2), and sludge is by soft pipeline by flocculation reaction groove
(1) flow into dehydration body (2)；The side of the dehydration body (2) is provided with discharging opening (2a), discharging opening (2a) face spiral
Conveyer (17), sludge are discharged through discharging opening (2a) and are promoted to by conveying worm (17) in low temperature desiccation apparatus (B)；
The low temperature desiccation apparatus (B) includes charging breaker (3), distribution device (4), low temperature dehumidification desiccation machine (5)；It is described
The wet mud outlet of face conveying worm (17) at the port of breaker (3) is fed, wet mud is broken by charging successively
It is distributed on after device (3), distribution device (4) on the desiccation crawler belt of low temperature dehumidification desiccation machine (5), and crawler belt is driven by drive motor
Slowly walking, while hot dry air is evaporated drying, desiccation to sludge from bottom to top by entering air inlet (5b) below crawler belt
Sludge lower floor's crawler belt is dropped to until to outlet (5a) by upper strata crawler belt；The lower section face spiral transferring of the outlet (5a)
Machine (17) is sent, and dewatered sludge is promoted in sludge retorting carbonization device (C) by face conveying worm (17)；
The sludge retorting carbonization device (C) is cooled down by sludge reception system (6), the main stove of sludge carbonization (7) and carbonated product and wrapped
Dress system (8) forms；The side of the sludge reception system (6) is provided with the dry dirt for receiving conveying worm (17) transmission
Mud mud inlet (6b), sludge distribution device (6a) is provided with below mud inlet (6b), and it is by sludge distribution device (6a) that dewatered sludge is equal
In even charging to the main stove of sludge carbonization (7), dewatered sludge rotation through eccentric screw conveying axis (7a) in the main stove of sludge carbonization (7)
Conveying is advanced slowly, and forms Granular sludge, and be sent to carbonated product cooling packing system (8) inner packing finished product；
The heating system (D) by combustion chamber (9), heat-exchange device (10), air-introduced machine (11), carbonized gas treating column (12) and
Fume collection pipeline (M), backheat pipeline (N), heat supplying pipeline (Q) are formed；The sludge retorting carbonization device (C) produce largely by
Hydrocarbon composition does not coagulate carbonizing gas, is collected through high-temperature flue gas recovery port (6c)；The high-temperature flue gas recovery port (6c)
Carbonized gas treating column (12) is connected with by backheat pipeline (N), and spray condensation is carried out by carbonized gas treating column (12)；It is described
Air-introduced machine (11) is connected with carbonized gas treating column (12), on-condensible gas is collected in combustion chamber (9) through air-introduced machine (11), is carried out
Second-time burning heat supply；Heat recovery mouth (5c) on the low temperature desiccation apparatus (B) passes through fume collection pipeline (M) and air-introduced machine
(11) connect, and heat-exchange device (10) is delivered to by air-introduced machine (11) and realizes recycling for heat；The heat exchange
Device (10) is arranged on the side of combustion chamber (9), and heated dry air is provided for low temperature desiccation apparatus (B)；
The exhaust treatment system (E) includes deacidifying device (16), air-introduced machine (11), cyclone dust collector (13), bag-type dust
Device (14), high-altitude chimney (15), volume adjusting apparatus (18) and supporting exhaust pipe (P)；The deacidifying device (16) is logical
Cross on the exhaust collection mouth (9c) of exhaust pipe (P) connection combustion chamber (9), set between collection port (9c) and deacidifying device (16)
It is equipped with volume adjusting apparatus (18)；The opposite side of the deacidifying device (16) is sequentially connected air-introduced machine (11), whirlwind by pipeline
Dust arrester (13), bag-type dust collector (14) and high-altitude chimney (15), the tail gas after processing pass through air-introduced machine (11) and high-altitude
Chimney (15) is discharged.
2. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the flocculation reaction groove
(1) sludge agent mixer area and flocculation stirring area are provided with, sludge agent mixer area and flocculation stirring area pass through bottom
Connection connection, and flocculation adding of agent is entered sludge thicking dewatering equipment (A) by sludge agent mixer area by charging aperture (1a)
It is interior.
3. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the dehydration body (2)
It is provided with multiple parts, including helical axis, lamination, this body support frame, filtrate collecting box, purging system, motor and reductor, spiral
Axle, lamination, this body support frame form spiral body, and it is internal that spiral body is installed on described dehydration body (2), motor reducer and
Helical axis is connected, and drives the low speed rotation of helical axis, rotating speed 2-4rpm.
4. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the sludge concentration and dewatering
Device (A) type selecting is folded spiral shell formula thickening machine, and it can be according to actual process demand from belt thickener dewaterer, centrifugal dehydration
Machine, frame dehydration machine.
5. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the low temperature dehumidification desiccation
Machine (5) device has the track module of cycle rotation, can be double-deck, three layers or multiple-layer stacked arrangement, every layer can independently rotate.
6. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the heat-exchange device
(10) second temperature pressure sensor device (10a) is provided with, second temperature pressure sensor device (10a) passes through heat supplying pipeline
(Q) low temperature dehumidification desiccation machine (5) is connected to, and volume adjusting apparatus (18) is installed on heat supplying pipeline (Q).
7. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the combustion chamber (9)
High-temperature flue gas mouth is provided with the first temperature pressure sensing device (9b), and the first temperature pressure sensing device (9b) passes through heat supplying pipeline
(Q) the main stove of sludge carbonization (7) is connected to, and volume adjusting apparatus (18) is installed on heat supplying pipeline (Q).
8. a kind of sludge drying according to claim 1 and the equipment of charing, it is characterised in that the combustion chamber (9) is straight
Connect using standard coal, biomass, natural gas or combustible and combine not solidifying carbonizing gas caused by sludge retorting carbonization device (C)
Burnt, ignition temperature is controlled in 450-550 degrees centigrades, there is provided the high-temperature flue-gas to the main stove of sludge carbonization (7)
Control is at 300-350 degrees Celsius, there is provided the hot dry air temperature control to low temperature desiccation apparatus (B) is at 75-85 degrees Celsius, sludge
It is anaerobic high temperature state to carbonize in main stove (7).
9. a kind of sludge drying according to claim 1 and the technique of charing, it is characterised in that comprise the following steps：
S1：Raw sewage is lifted into sludge thicking dewatering equipment (A), the machine through sludge thicking dewatering equipment (A) through sludge pump
Tool flocculation dewatering, moisture percentage in sewage sludge 95%~99.2% is set to be down to moisture content about 80%, while removing sludge water content, sludge tool
Standby certain plasticity；
S2：The sludge of moisture content in S1 about 80% is lifted into low temperature desiccation apparatus (B) through conveying worm (17), herein
Successively after breaker (3) and distribution device (4), wet mud is distributed on low temperature desiccation apparatus (B) crawler belt sludge, is carried out
Band slowly walking while by hot blast drying is evaporated to sludge, by the moisture of wet mud be dried to moisture content 20%~
50%；
S3：Dewatered sludge in S2 is lifted into sludge retorting carbonization device (C), by carbonizing the consolidation destructive distillation of main stove,
Again charing grain products are finally given after carbonated product cooling packing system (8) cooling packing.
10. a kind of sludge drying according to claim 9 and the technique of charing, it is characterised in that in the step S2-S3
It is provided with heating system (D) and provides heat for the desiccation of sludge and charing.
11. a kind of sludge drying according to claim 9 and the technique of charing, it is characterised in that the heating system (D)
On be connected with exhaust treatment system (E), exhaust treatment system (E) discharges combustion tail gas through exhaust collection mouth (9c), through air quantity
The sour gas entered after regulation in deacidifying device (16) removing flue gas, cyclone dust collector (13) is sent into by air-introduced machine (11)
With bag-type dust collector (14), for removing suspended particle in gas, the tail gas of purification passes through air-introduced machine (11) and smoke aloft
Chimney (15) is expelled to air.
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| CN201710652331.7A CN107337335A (en) | 2017-08-02 | 2017-08-02 | A kind of sludge drying and the equipment and technique of charing |
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| CN201710652331.7A CN107337335A (en) | 2017-08-02 | 2017-08-02 | A kind of sludge drying and the equipment and technique of charing |
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| CN201710652331.7A Pending CN107337335A (en) | 2017-08-02 | 2017-08-02 | A kind of sludge drying and the equipment and technique of charing |
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| CN108455815A (en) * | 2018-01-17 | 2018-08-28 | 浙江海云能源科技有限公司 | Recycling handles method for dirty mire |
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| CN108455815A (en) * | 2018-01-17 | 2018-08-28 | 浙江海云能源科技有限公司 | Recycling handles method for dirty mire |
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| CN108675588A (en) * | 2018-07-23 | 2018-10-19 | 安徽省通源环境节能股份有限公司 | Sludge high-drying charing process system |
| CN109052894A (en) * | 2018-08-01 | 2018-12-21 | 宁波亚菲科技有限公司 | Sludge carbonization treatment comprehensive utilization process |
| CN108751654A (en) * | 2018-08-24 | 2018-11-06 | 南京中衡元环保科技有限公司 | Disposal of oily sludge system |
| CN109534649A (en) * | 2019-01-07 | 2019-03-29 | 深圳市新涛环境科技有限公司 | A kind of low temperature closed cycle sludge drying intelligent apparatus |
| CN109534649B (en) * | 2019-01-07 | 2021-11-05 | 深圳市新涛环境科技有限公司 | Low-temperature closed circulation sludge drying intelligent device |
| CN110304804A (en) * | 2019-02-18 | 2019-10-08 | 联合瑞升（北京）科技有限公司 | A kind of sludge hot is quenched and desiccation is carbonized energy conserving system |
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| CN110615587A (en) * | 2019-10-10 | 2019-12-27 | 上海禾元环保集团有限公司 | Sludge recycling treatment process and system |
| CN111018294A (en) * | 2019-12-11 | 2020-04-17 | 苏州向达环境净化科技有限公司 | Circulating sludge drying system based on TSP host machine crushing treatment |
| CN111186983A (en) * | 2020-02-02 | 2020-05-22 | 江苏科威环保技术有限公司 | Sludge treatment device and treatment method thereof |
| CN112044395A (en) * | 2020-07-13 | 2020-12-08 | 东莞理工学院 | Phosphate adsorbent preparation system and method using excess sludge and biological shell wastes as raw materials |
| CN112461702A (en) * | 2020-11-10 | 2021-03-09 | 南通爱可普环保设备有限公司 | Sludge water loss rate testing device and testing method thereof |
| CN112461702B (en) * | 2020-11-10 | 2022-07-08 | 南通爱可普环保设备有限公司 | Sludge water loss rate testing device and testing method thereof |
| CN112745004A (en) * | 2020-12-31 | 2021-05-04 | 中机国际环保科技有限公司 | Portable river bottom sludge treatment device and method |
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