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 PDF

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Publication number
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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CN
China
Prior art keywords
retort
drying oven
energy
cracking gas
efficient recycling
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CN201710720255.9A
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Chinese (zh)
Inventor
丁睿
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Hefei Hundred And Environmental Protection Technology Co Ltd
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Hefei Hundred And Environmental Protection Technology Co Ltd
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Priority to CN201710720255.9A priority Critical patent/CN107298517A/en
Publication of CN107298517A publication Critical patent/CN107298517A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/40Valorisation 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

A kind of energy-efficient recycling sludge utilizes technique and system
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.
CN201710720255.9A 2017-08-21 2017-08-21 A kind of energy-efficient recycling sludge utilizes technique and system Pending CN107298517A (en)

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
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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