CN107298517A - A kind of energy-efficient recycling sludge utilizes technique and system - Google Patents
A kind of energy-efficient recycling sludge utilizes technique and system Download PDFInfo
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- CN107298517A CN107298517A CN201710720255.9A CN201710720255A CN107298517A CN 107298517 A CN107298517 A CN 107298517A CN 201710720255 A CN201710720255 A CN 201710720255A CN 107298517 A CN107298517 A CN 107298517A
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- retort
- drying oven
- energy
- cracking gas
- efficient recycling
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- 239000010802 sludge Substances 0.000 title claims abstract description 75
- 238000004064 recycling Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 83
- 238000005336 cracking Methods 0.000 claims abstract description 79
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 28
- 238000000197 pyrolysis Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 238000011084 recovery Methods 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 6
- 239000012467 final product Substances 0.000 abstract description 2
- 230000000505 pernicious Effects 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 76
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 230000001877 deodorizing Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000003009 desulfurizing Effects 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000036740 Metabolism Effects 0.000 description 1
- 231100000614 Poison Toxicity 0.000 description 1
- 210000000952 Spleen Anatomy 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000035786 metabolism Effects 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001717 pathogenic Effects 0.000 description 1
- 244000052769 pathogens Species 0.000 description 1
- 230000002085 persistent Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONAGEOUS 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
Technique and system are utilized the invention discloses a kind of energy-efficient recycling sludge, the cracking gas formed using retort is more efficient directly to drying oven and retort combustion heating.This programme realizes the cracking gas formed in retort and directly recycled, and maximally utilizing for energy is realized by the recovery of cracking gas, and the extra heat source for reducing retort and drying oven is utilized, and is reduced cost of energy, is reduced energy consumption.Whole process is safe, reliable, efficient, the generation of the secondary pollution gas such as no bioxin.Final product activated carbon sludge composite adsorbing material, pollution of these solid waste to environment can be not only eliminated, sewage or pernicious gas can also be handled with the sorbing material of generation, further improves environment, people's life quality is improved, with significant social benefit.
Description
Technical field
The present invention relates to technical field of sludge treatment, more particularly to a kind of energy-efficient recycling sludge is using technique and is
System.
Background technology
Sludge of sewage treatment plant is the product of sewage disposal, including micropopulation, organic substance and inorganic substances etc. are several
Part.5~10 tons of sludge (in terms of moisture content 80%) is about produced after per ten thousand stere sewage disposal.In sludge containing pathogen,
The poisonous and harmful substance such as heavy metal and persistent organism, without effectively processing disposal, easily causes two to underground water, soil etc.
Secondary pollution, direct threatening environment safety and public health, substantially reduce the environmental benefit of sewage treatment facility.
The technique of sludge treatment mainly includes both at home and abroad at present：Desiccation, compost, farmland utilization and land use, burn, fill out
Bury and other comprehensive utilizations (brickmaking, potting grain etc.).Closely about ten years, developed country is with the progressively progress, ring of contamination control
The continuous improvement that border is required, has formulated higher sludge treatment standard, progressively limits soil directly application etc. of sludge
Traditional handicraft.
Charing is one of main trend of specific resistance to filtration development, possess that secondary pollution is small, minimizing it is substantially etc. multiple
Advantage.Sludge carbonization, is exactly by heating and pressurizeing to sludge, crack the cell in biochemical sludge, force moisture therein
Discharge, while remaining the process of the carbonaceous in sludge to greatest extent again.However, existing sludge carbonization technology is inadequate
Maturation, has that cost is high, treatment effeciency is low, and the thermal efficiency is low, energy consumption is big, floor space is big, equipment loss is high, foul smell is released
High-volume problems such as big.For the energy expenditure during further reduction sludge carbonization, treating sludge cost is reduced, research and development are set
A kind of sludge carbonization process unit of more low energy consumption requirement of meter is most important.
The content of the invention
In view of this, technique is utilized the invention provides a kind of energy-efficient recycling sludge, realizes shape in retort
Into cracking gas directly recycle, maximally utilizing for energy is realized by the recovery of cracking gas, reduce retort and
The extra heat source of drying oven is utilized, and is reduced cost of energy, is reduced energy consumption.
System is utilized present invention also offers a kind of energy-efficient recycling sludge for applying above-mentioned technique.
To achieve the above object, the present invention provides following technical scheme：
A kind of energy-efficient recycling sludge utilizes technique, including sludge is dried and carbonized successively；Also including will
The cracking gas that the charing is formed delivers to drying oven and/or retort combustion heating.
It is preferred that, the outer layer body of heater that the cracking gas is passed through into the drying oven and/or the retort burns to internal layer
Body of heater is heated.
It is preferred that, the cracking gas is delivered into the drying oven and the pyrolysis furnace combustion heating respectively.
It is preferred that, in addition to by combustion-supporting pneumatic transmission to the drying oven and/or the pyrolysis furnace combustion heating.
It is preferred that, the cracking gas for first forming the charing is passed through cracking gas storage tank, then by the cracking gas storage tank
The cracking gas is delivered into the drying oven and/or the pyrolysis furnace combustion heating.
A kind of energy-efficient recycling sludge utilizes system, including drying oven and retort；The cracking gas of the retort
Outlet is in the combustion heating mechanism of the drying oven and/or the retort.
It is preferred that, the drying oven and/or the retort include outer layer body of heater and internal layer body of heater, and the outer layer body of heater is
The combustion heating mechanism, the internal body of heater is material treatment mechanism.
It is preferred that, the cracking gas outlet is respectively communicated with the outer layer body of heater in the drying oven and the retort.
It is preferred that, in addition to combustion-supporting gas storage tank, its gas outlet is communicated in the described of the drying oven and/or the retort
Combustion heating mechanism.
It is preferred that, in addition to cracking gas storage tank, the cracking gas outlet of the retort is in the cracking gas storage tank
Import, the cracking gas storage tank can export the cracking gas combustion heating to the drying oven and/or the retort
Mechanism.
It can be seen from above-mentioned technical scheme that, the energy-efficient recycling sludge that the present invention is provided is using technique and is
System, the cracking gas formed using charing is directly to drying oven and retort combustion heating so that the more efficient effect of combustion heating.This
Scheme realizes the cracking gas formed in retort and directly recycled, and the maximization of energy is realized by the recovery of cracking gas
Utilize, the extra heat source for reducing retort and drying oven is utilized, and is reduced cost of energy, is reduced energy consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that energy-efficient recycling sludge provided in an embodiment of the present invention utilizes process system.
Embodiment
The invention discloses a kind of energy-efficient recycling sludge using technique and system, the recovery to heat, recovery
Cracking gas is mixed with a certain proportion of natural gas, directly to drying oven and the inwall combustion heating of retort, and heating is more efficient, this
Invention does not carry out recovery burning to the gas that drying oven is produced, and only the gas that retort is cracked is burnt so that burning effect
Rate is more efficient.The present invention is, using residual active sludge as raw material, to be made into the sorbing material of NEW TYPE OF COMPOSITE containing activated carbon, not only
The raw material range for preparing sorbing material is widened, while also achieving harmless treatment and the recycling profit of residual active sludge
With.
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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Energy-efficient recycling sludge provided in an embodiment of the present invention utilizes technique, including sludge is carried out successively drying and
Charing, wherein by the moisture content of drying reduction sludge, charing is cracked sludge high temperature using oxygen-free environment；Its core improvement
It is, this technique also includes the cracking gas for carbonizing formation delivering to drying oven and/or retort combustion heating；This certain technique is also
The further processing to sludge after charing, and the processing to drying flue gas and charing flue gas can be included.
It can be seen from above-mentioned technical scheme that, energy-efficient recycling sludge provided in an embodiment of the present invention utilizes work
Skill, the cracking gas formed using charing is heated more efficient directly to drying oven and/or retort combustion heating.This programme is only right
The gas of charing cracking is burnt, without the gas progress recovery burning produced to drying oven, it is to avoid wherein mixed with it is big
Vapor influence efficiency of combustion is measured, so that efficiency of combustion is more efficient.The cracking gas that the design realizes charing formation is direct
Recycle, maximally utilizing for energy is realized by the recovery of cracking gas, the extra heat of retort and drying oven is reduced
Source is utilized, and is reduced cost of energy, is reduced energy consumption.
Preferably, the outer layer body of heater that the cracking gas for carbonizing formation is passed through into drying oven and/or retort burns to internal layer
Body of heater is heated.Using ectonexine Proper Design, sludge is in internal layer by spiral way feeding, and outer layer is directly to equipped with sludge
Layer furnace body wall combustion heating, it is simple in construction, it is workable.
In the specific embodiment that this programme is provided, the cracking gas that is formed will be carbonized and deliver to drying oven and pyrolysis furnace respectively
The burning of outer layer body of heater is heated to internal layer body of heater, to make full use of recovery cracking gas.
Energy-efficient recycling sludge provided in an embodiment of the present invention utilizes technique, in addition to by combustion-supporting pneumatic transmission to drying oven
And/or pyrolysis furnace combustion heating, to optimize combustion efficiency therein, it can specifically use LNG (natural gas).Preferably, first
Cracking gas and combustion gas mixing will be helped, then deliver to drying oven and/or pyrolysis furnace combustion heating, to improve efficiency of combustion.Above-mentioned mixing
In each content of material can freely be matched according to actual condition.
In order to further optimize above-mentioned technical scheme, it will first carbonize the cracking gas that is formed and be passed through cracking gas storage tank, then by
Cracking gas is delivered to drying oven and/or pyrolysis furnace combustion heating by cracking gas storage tank.Acted on by the intermediate storage for cracking gas storage tank,
(opportunity, content) cracking gas can be delivered into drying oven and/or pyrolysis furnace according to actual needs, to reach the burning of stable ideal
Heating, effect is more preferable, Optimum utilization rate.Specifically, cracking gas pressurization is passed through cracking gas storage tank, it can store more, it is to avoid set
Standby volume is excessive.
The embodiment of the present invention additionally provides a kind of energy-efficient recycling sludge and utilizes system, including drying oven and charing
Stove, wherein reducing the moisture content of sludge by drying oven, retort is cracked sludge high temperature using oxygen-free environment, certain the system
The further processing unit (cooler) to sludge after charing can also be included, and the processing of drying flue gas and charing flue gas is filled
Put (such as blower fan, heat-exchanger rig, desulfuring and denitrifying apparatus and biological deodorizing device)；Its core improvement is, the cracking of retort
Gas outlet is in the combustion heating mechanism of drying oven and/or retort.
It can be seen from above-mentioned technical scheme that, energy-efficient recycling sludge provided in an embodiment of the present invention utilizes system
System, the cracking gas formed using retort is heated more efficient directly to drying oven and/or retort combustion heating.This programme is only
The gas that retort is cracked is burnt, without the gas progress recovery burning produced to drying oven, it is to avoid wherein mixed with
A large amount of vapor influence efficiency of combustion so that efficiency of combustion is more efficient.The design realizes the cracking of retort formation
Gas is directly recycled, and maximally utilizing for energy is realized by the recovery of cracking gas, reduces retort and drying oven
Extra heat source is utilized, and is reduced cost of energy, is reduced energy consumption.
Preferably, drying oven and/or retort include outer layer body of heater and internal layer body of heater, outer layer body of heater is combustion heating machine
Structure, internal body of heater is material treatment mechanism.Using ectonexine Proper Design, sludge material in internal layer by spiral way feeding,
Outer layer has burner arrangement, in the case where it lights effect, simple in construction directly to the internal layer furnace body wall combustion heating equipped with sludge,
It is workable.
In the specific embodiment that this programme is provided, cracking gas outlet is respectively communicated with the outer layer stove in drying oven and retort
Body burning is heated to internal layer body of heater, to make full use of recovery cracking gas.
Energy-efficient recycling sludge provided in an embodiment of the present invention utilizes system, in addition to combustion-supporting gas storage tank, its outlet
Mouth is communicated in the combustion heating mechanism of drying oven and/or retort.Also combustion-supporting pneumatic transmission to drying oven and/or pyrolysis furnace are burnt
Heating, to optimize combustion efficiency therein, can specifically use LNG (natural gas).Preferably, first by cracking gas and combustion-supporting gas
Mixing, then drying oven and/or pyrolysis furnace combustion heating are delivered to, to improve efficiency of combustion.Each content of material can root in above-mentioned mixing
Freely matched according to actual condition.
In order to further optimize above-mentioned technical scheme, the system also includes cracking gas storage tank, and the cracking gas of retort goes out
Mouth is communicated in the import of cracking gas storage tank, and cracking gas storage tank can quantify cracking gas output to drying oven and/or retort
Combustion heating mechanism.Acted on by the intermediate storage for cracking gas storage tank, can according to actual needs (opportunity, content) by cracking gas
Drying oven and/or pyrolysis furnace are delivered to, to reach the combustion heating of stable ideal, effect is more preferable, Optimum utilization rate.Specifically, splitting
Pressurization of venting one's spleen is passed through cracking gas storage tank, can store more, it is to avoid equipment volume is excessive.
This programme is described further with reference to specific embodiment：
The energy-efficient recycling sludge of the invention utilizes system, including rotary kiln drying oven, rotary kiln retort, cracking gas
Holding vessel, LNG storage tank, heat exchanger, sludge cooling device, desulfurizer and biological deodorizing.The activity that moisture content is about 60% is dirty
Mud precursor enters drying oven by transmission belt, and drying oven is connected with retort by feed screw with retort, while drying oven
It is followed by connecting biological deodorizing device after blower fan and desulfurizer, desulfurizer.Three tunnels of connection point after retort, one is burning
Flue gas moves towards route afterwards, and the order of connection is blower fan, heat-exchanger rig, desulfuring and denitrifying apparatus (being shared with drying oven) and biological respectively
Odor removal (is shared) with drying oven；Two tunnels are that sludge moves towards route, and retort connection cooler reconnects active sludge carbon and gone out
Feed bin；Three tunnels are that cracking gas moves towards route, and the order of connection is that (both gas passes through one for blower fan, cracking gas storage tank and LNG storage tank
Certainty ratio is mixed) the outer layer body of heater burner arrangement of drying oven and pyrolysis furnace is respectively enterd again to carry out the burning of next step.
Concrete technology is as follows：The sludge for being about 60% with the water content of preliminary press filtration by reconciling, it is defeated through feed screw
Drying oven is delivered to, the drying oven uses rotary kiln drying machine, the sludge design parameter moisture content 20% after drying, drying oven stove
Body includes two layers, cylinder internal diameter 2.0m, external diameter 3.5m, barrel lenght 20m, cylinder inclination 4%, rotating speed 3r.p.m, outside drying oven
Layer bottom sets 2 flame-thrower nozzles, and drying oven outer layer upper of furnace body opening, drying oven uses low temperature drying method, and drying temperature is
120 degree.The retort, retort is connected by feed screw with drying oven, and retort is used in oxygen-free environment, retort
Main process is Pintsch process, and cracking temperature is 700 degree, and moisture percentage in sewage sludge is about 3% after being carbonized through retort, carbonizes furnace structure
Same to use rotary kiln form, body of heater has two layers, cylinder internal diameter 1.6m, external diameter 3m, barrel lenght 16m, and cylinder tilts 4%, turns
Fast 3r.p.m, 2 flame-thrower nozzles of body of heater outer layer bottom setting, pyrolysis furnace outer layer upper of furnace body opening, the gas after cracking is in wind
Enter cracking gas holding vessel, the Pintsch process gas and the day of natural gas storage tanks expenditure of cracking gas holding vessel expenditure in the presence of machine
Right gas, constitutes drying oven and retort energy fuel, the fuel each leads into dryer and pyrolysis furnace according to certain than row mixing
Outer layer body of heater burner arrangement, in the presence of burner firing device, directly drying oven and retort internal layer body of heater are fired
Burn heating.
The trend of flue gas after present invention burning：Flue gas after being burnt for drying oven energy mix is under fan action by drying
The hole on dry furnace body outer layer top is extracted out into pipeline and is passed through drying furnace body internal layer, during flue gas is by drying oven internal layer
Further purified into desulfurizer in the presence of blower fan together with the vapor evaporated, after desulfurizing and purifying, into life
Air is discharged into after thing odor removal, purification；Flue gas after being burnt for retort energy mix is through blower fan by retort outer layer stove
Body upper opening is extracted out, and the gas after extraction directly enters de- after heat-exchanger rig exchanges heat together with the flue gas that drying oven is extracted out
Sulphur device.The heat exchanger heat transferring medium is air, and the heat of collection is recycled by retort；The cracking gas holding vessel is same
When have pressurization and storage effect；The sludge cooling device water is cooling medium, and heat flows to air；The desulfurizer is adopted
With limestone/lime-gypsum method flue gas desulfurization absorption plant, wet desulfurization of flue gas by limestone-gypsum method process system is mainly by inhaling
Receipts system, flue gas system, limestone slurry liquid preparing system and gypsum dehydration system etc. are constituted.The biological deodorizing is mainly used
Microbial deodorant, is converted having material frowzy by the physiological metabolism of microorganism, target contaminant is effectively divided
Solution is removed, to reach the improvement purpose of stench.The activated carbon sludge composite adsorbing material that this technique is produced, possesses activated carbon completely
Absorption property, can externally be sold as active carbon adsorption material.The system device is united by unified PLC
One control.
In summary, technique and system are utilized the embodiments of the invention provide a kind of energy-efficient recycling sludge, passed through
Processing to sludge early stage, then by sludge drying, the charing of sludge, the recycling of the energy after charing is formed dirty after charing
Mud absorbent charcoal composite material, while realizing sludge efficient process, forms sludge activity carbon composite, has fully demonstrated country
To Treatment of Sludge minimizing, the requirement of recycling, and recycling sludge performed to it is ultimate attainment, fully save cost, environmental protection,
Increase economic efficiency.
What the present invention reached has the beneficial effect that realizing the cracking gas formed in retort directly recycles, and passes through cracking
The recovery of gas realizes maximally utilizing for energy, and the extra heat source for reducing retort and drying oven is utilized, and reduces energy
Cost, reduces energy consumption.Whole process is safe, reliable, efficient, the generation of the secondary pollution gas such as no bioxin.Final product
Activated carbon sludge composite adsorbing material, can not only eliminate pollution of these solid waste to environment, can also use the suction produced
Enclosure material handles sewage or pernicious gas, further improves environment, improves people's life quality, with significant society's effect
Benefit.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of energy-efficient recycling sludge utilizes technique, including sludge is dried and carbonized successively；Characterized in that,
Also include the cracking gas that the charing is formed delivering to drying oven and/or retort combustion heating.
2. energy-efficient recycling sludge according to claim 1 utilizes technique, it is characterised in that lead to the cracking gas
The outer layer body of heater burning for entering the drying oven and/or the retort is heated to internal layer body of heater.
3. energy-efficient recycling sludge according to claim 2 utilizes technique, it is characterised in that by the cracking qi leel
The drying oven and the pyrolysis furnace combustion heating are not delivered to.
4. energy-efficient recycling sludge according to claim 1 utilizes technique, it is characterised in that also including by combustion-supporting gas
Deliver to the drying oven and/or the pyrolysis furnace combustion heating.
5. energy-efficient recycling sludge according to claim 1 utilizes technique, it is characterised in that first by the charing shape
Into the cracking gas be passed through cracking gas storage tank, then by the cracking gas storage tank by the cracking gas deliver to the drying oven and/
Or the pyrolysis furnace combustion heating.
6. a kind of energy-efficient recycling sludge utilizes system, including drying oven and retort；Characterized in that, the retort
Cracking gas outlet in the combustion heating mechanism of the drying oven and/or the retort.
7. energy-efficient recycling sludge according to claim 6 utilizes system, it is characterised in that the drying oven and/
Or the retort includes outer layer body of heater and internal layer body of heater, the outer layer body of heater is the combustion heating mechanism, the inner furnace
Body is material treatment mechanism.
8. energy-efficient recycling sludge according to claim 7 utilizes system, it is characterised in that the cracking gas outlet
It is respectively communicated with the outer layer body of heater in the drying oven and the retort.
9. energy-efficient recycling sludge according to claim 6 utilizes system, it is characterised in that also stored up including combustion-supporting gas
Tank, its gas outlet is communicated in the combustion heating mechanism of the drying oven and/or the retort.
10. energy-efficient recycling sludge according to claim 6 utilizes system, it is characterised in that also including cracking gas
Storage tank, the cracking gas outlet of the retort is in the import of the cracking gas storage tank, and the cracking gas storage tank can be by institute
State cracking gas and export combustion heating mechanism to the drying oven and/or the retort.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720255.9A CN107298517A (en) | 2017-08-21 | 2017-08-21 | A kind of energy-efficient recycling sludge utilizes technique and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720255.9A CN107298517A (en) | 2017-08-21 | 2017-08-21 | A kind of energy-efficient recycling sludge utilizes technique and system |
Publications (1)
| Publication Number | Publication Date |
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| CN107298517A true CN107298517A (en) | 2017-10-27 |
Family
ID=60131958
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|---|---|---|---|
| CN201710720255.9A Pending CN107298517A (en) | 2017-08-21 | 2017-08-21 | A kind of energy-efficient recycling sludge utilizes technique and system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002001395A (en) * | 2000-06-21 | 2002-01-08 | Meidensha Corp | Process and facility for treating organic sludge |
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| JP2002001395A (en) * | 2000-06-21 | 2002-01-08 | Meidensha Corp | Process and facility for treating organic sludge |
| JP2008138890A (en) * | 2006-11-29 | 2008-06-19 | Idemitsu Kosan Co Ltd | Incineration system |
| CN103911168A (en) * | 2014-04-09 | 2014-07-09 | 江苏河海科技工程集团有限公司 | Integral rapid carbonizing treatment technology for municipal waste |
| CN104211274A (en) * | 2014-09-28 | 2014-12-17 | 天津清华德人环境工程有限公司 | Sludge reduction and recycling treatment device and sludge treatment method |
| CN104876414A (en) * | 2015-06-09 | 2015-09-02 | 湖州宜可欧环保科技有限公司 | Method and device for pyrolytic carbonizing treatment of sludge |
| CN105859105A (en) * | 2016-06-20 | 2016-08-17 | 深圳市圆周率环境科技有限公司 | Sludge treatment and recycling method |
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