CN107459271A - Cement kiln synergic processing domestic waste and sludge technology - Google Patents
Cement kiln synergic processing domestic waste and sludge technology Download PDFInfo
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- CN107459271A CN107459271A CN201710622487.0A CN201710622487A CN107459271A CN 107459271 A CN107459271 A CN 107459271A CN 201710622487 A CN201710622487 A CN 201710622487A CN 107459271 A CN107459271 A CN 107459271A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
- C04B7/4407—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes
- C04B7/4415—Waste hot gases
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/006—General arrangement of incineration plant, e.g. flow sheets
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of cement kiln synergic processing domestic waste and sludge technology, it is to handle domestic waste by swinging waste incinerator, a large amount of heat smokes will be produced and introduce replacement part of fuel decomposition raw material in rotary cement kiln system, again using the lime-ash of waste incineration as the raw material instead of part producing clinker, with being sent into rotary cement kiln system together with other raw materials and fuel, clinker is made after roasting；Meanwhile the dewatered sludge for being prepared into sludge after desiccation machine desiccation is sent into rotary cement kiln system combustion decomposition, burning replaces part of fuel, and clinker is made after burning.The sustainable processing of rubbish is realized, reduces each energy consumption of cement system.
Description
Technical field：
The present invention relates to a kind of cement kiln synergic processing domestic waste and sludge technology, belongs to technology of garbage disposal neck
Domain.
Background technology：
In urbanization process, rubbish is many in the world as the burden that the product of Urban Metabolism was once urban development
There was the situation of garbage-surrounded city in city.Now, rubbish are considered as most " urban ore
Hide ", it is " resource mislayed ".This is both to the deep of rubbish understanding and deepened, and the inevitable requirement of urban development.In
State's domestic rubbish disposal mainly based on sanitary landfills, accounts for 78% for the treatment of capacity or so, and refuse classification is segmented at this stage
It is not strong, do not form the route relatively efficiently recycled.China's domestic rubbish disposal was in compared with the primary stage, from source to most
Whole processing has many places for needing specification, such as classifies, recycles, processing mode.Present stage of china primarily directed to
The processing of rubbish has been produced, has not been embodied for the theory of similar U.S.'s control rubbish source of generation in technology path, and
And the mode of processing is relatively single, the mainly mode of sanitary landfills, because classification does not refine, cause the recycling of resource
Rate is very low.Existing garbage disposal mainly has landfill, compost and burns three kinds of processing modes, and landfill disposal need to take largely
Soil, meanwhile, oxious component will also result in serious pollution to air, soil and water source in rubbish, not only break up ecological environment, also
Seriously endanger health.Compost treatment will be sorted to rubbish, be classified, it is desirable to which the organic content of rubbish is higher.And heap
Fertilizer processing is unable to minimizing, still needs to take a large amount of soils.The essence of burning is in the sufficient bar of high temperature and oxygen supply by organic waste
Gaseous inert gas thing and inorganic noncombustibles are oxidized under part, to form stable solid residue.Rubbish is placed on incinerator first
In burnt, discharge heat energy, then waste heat recovery can heat supply or generating.Discharged after gas cleaning, a small amount of residual residue row
Go out, fill or make other purposes.Its advantage is rapid volume reduction ability and thoroughly high temperature is innoxious, and floor space is little, right
Surrounding environment influence is smaller, and has energy recovery.Therefore, it is innoxious, minimizing and recycling to carry out burning disposal to MSW
Effective processing mode.As the raising of the comprehensive utilization techniques such as the continuous enhancing of people's environmental consciousness and energy recovery, the world are each
State is increased year by year using the ratio of incineration technology processing house refuse.
The content of the invention：
It is an object of the invention to provide a kind of smaller to surrounding environment influence, and there is energy recovery, sustainable processing rubbish,
Sludge, and can is by waste residue resource, the cement kiln synergic processing domestic waste and sludge technology increased economic efficiency.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of cement kiln synergic processing domestic waste and sludge technology, it is that domestic waste is passed through into swinging rubbish
The processing of rubbish incinerator, will produce a large amount of heat smokes and introduces in rotary cement kiln systems and substitute part of fuel and decompose raw material, then by rubbish
The lime-ash that rubbish burns is sent into cement rotary kiln system as the raw material instead of part producing clinker together with other raw materials and fuel
System, clinker is made after roasting；Meanwhile the dewatered sludge for being prepared into sludge after desiccation machine desiccation is sent into cement revolution
Kiln system combustion decomposition, burning replace part of fuel, and clinker is made after burning.
A kind of cement kiln synergic processing domestic waste and sludge technology, including cement kiln synergic processing urban life rubbish
Rubbish technology and cement kiln synergic processing sludge technology.
The cement kiln synergic processing domestic waste technology, including following technological process：
(1) rubbish receiving and accumulating：Rubbish is conveyed into factory by enclosed garbage Transport Appropriation Rolling Stock, is first claimed through weighbridge
Weight, then transport to discharging platform, stored through Dump gate discharging to refuse pit, and rubbish is pressed in into factory's time in pond by grabbing bucket
Pile up separately.Discharging hall and dump pit use fully-automatic sealing door, i.e., garbage truck by when door automatically open up, after car leaves
Door is automatic to close, and prevents rubbish stench from spreading.It is negative pressure in dump pit, the gas store in hole is sent into kiln hood using centrifugal blower
Grate-cooler uses as cooling wind.Full-automatic driving grabs rubbish in material bin, subsequently enters incinerator burning.
(2) feeding and burning：Waste incinerator is set by cement rotary kiln, hot-air conduct is extracted from kiln hood grate-cooler
The combustion air of waste incineration, rubbish in feeding machine feeding swinging incinerator by burning, and caused heat smoke introduces after burning
In dore furnace, substitute part and burn till with coal, heat is provided for raw material decomposition.Swinging incinerator inner wall builds refractory material by laying bricks or stones, prevents
Only high-temperature gas causes to damage to body of heater, while heat storing and heat preserving, improves the thermal efficiency.
(3) percolate is handled：Percolate caused by sanitary fill is after drainage grill filters, into leachate collection pool,
Tertiary-air pipe is transported to using diafiltration liquid pump, tertiary-air pipe end is sprayed into after spray gun is atomized.Percolate passes through height
Temperature is evaporated oxidation processes, decomposes its organic principle completely, realizes innoxious.
(4) grey Slag treatment：Lime-ash all by Automobile Transportation to stockpile canopy, is used as manufacture of cement with raw material, weight
Metal ion is cured in clinker, accomplishes harmless treatment.
The cement kiln synergic processing sludge technology, including following technological process：
1) municipal sludge running：Special purpose vehicle transport (the aqueous 80% sludge) → sludge storage bin → sludge with metering
Pump → hollow paddle type desiccation machine → dewatered sludge storehouse → conveying equipment → cement kiln → waste residue with metering is directly as raw material.Will
Municipal sludge focuses on cement plant and is directly poured into underground sludge by transporting tank car and receives in Storage Silo, and sludge passes through broken arch
Balladeur train is entered in malleation batcher by storehouse lower discharge port, and malleation batcher squeezes into sludge in paste pump, into paste pump
Sludge force down that frictional resistance multiple tube is totally enclosed to be delivered to hollow paddle type desiccation machine by height, the sludge of desiccation is by cored screw
Conveyer is transported to dewatered sludge storehouse, is then delivered to dore furnace by conveying equipment, is burnt by the high-temperature gas desiccation of dore furnace
Burn, then enter rotary kiln.
2) sludge is uniformly fed dore furnace, by the use of dore furnace hot blast as desiccation burning gases, the heat after sludge incineration
Flue gas enters kiln tail system, carries out heat exchange with raw material, while decompose part harmful substance.Accomplish recycling, the nothing of Treatment of Sludge
Evilization, minimizing.
3) enter raw material of the cement rotary kiln as production clinker after burning after caused ash collection, use computer
The coordinated operation of sludge incinerating system and cement firing system is controlled, the odorous gas of sludge is incinerated, can be to being produced after burning
Acidic materials (such as HCl, SO2And CO3 2-Deng) neutralization is played, them is become salt and be fixed up, foul smell is used in sludge bin
Blower fan is pumped into smoke-box, carries out combustion decomposition.Can be solidificated in metallic element (including heavy metal) that may be present in hazardous waste
In clinker mineral, and solidify stabilization.
The invention has the advantages that the lime-ash of non-combustible waste and combustiblerefuse makes as the mixing material of cement raw material
With, make house refuse all rationally processing, whole processing technology process zero-emission, do not produce harmful substance, do not cause secondary dirt
Dye, realize domestic rubbish disposal recycling and innoxious.The sustainable processing of rubbish is realized, cement is reduced and prepares energy consumption.
Brief description of the drawings：
Fig. 1 is the process chart of invention.
Embodiment：
As shown in figure 1, a kind of cement kiln synergic processing domestic waste and sludge technology, are to pass through domestic waste
The processing of swinging waste incinerator is crossed, a large amount of heat smokes will be produced and introduce replacement part of fuel decomposition life in rotary cement kiln system
Material, then using the lime-ash of waste incineration as the raw material instead of part producing clinker, cement is sent into together with other raw materials and fuel
Rotary system, clinker is made after roasting；Meanwhile the dewatered sludge for being prepared into sludge after desiccation machine desiccation is sent into
Rotary cement kiln system combustion decomposition, burning replace part of fuel, and clinker is made after burning.
A kind of cement kiln synergic processing domestic waste and sludge technology, including cement kiln synergic processing urban life rubbish
Rubbish technology and cement kiln synergic processing sludge technology.
The cement kiln synergic processing domestic waste technology, including following technological process：
(1) rubbish receiving and accumulating：Rubbish is conveyed into factory by enclosed garbage Transport Appropriation Rolling Stock, is first claimed through weighbridge
Weight, then transport to discharging platform, stored through Dump gate discharging to refuse pit, and rubbish is pressed in into factory's time in pond by grabbing bucket
Pile up separately.Discharging hall and dump pit use fully-automatic sealing door, i.e., garbage truck by when door automatically open up, after car leaves
Door is automatic to close, and prevents rubbish stench from spreading.It is negative pressure in dump pit, the gas store in hole is sent into kiln hood using centrifugal blower
Grate-cooler uses as cooling wind.Full-automatic driving grabs rubbish in material bin, subsequently enters incinerator burning.
(2) feeding and burning：Waste incinerator is set by cement rotary kiln, hot-air conduct is extracted from kiln hood grate-cooler
The combustion air of waste incineration, rubbish in feeding machine feeding swinging incinerator by burning, and caused heat smoke introduces after burning
In dore furnace, substitute part and burn till with coal, heat is provided for raw material decomposition.Swinging incinerator inner wall builds refractory material by laying bricks or stones, prevents
Only high-temperature gas causes to damage to body of heater, while heat storing and heat preserving, improves the thermal efficiency.
(3) percolate is handled：Percolate caused by sanitary fill is after drainage grill filters, into leachate collection pool,
Tertiary-air pipe is transported to using diafiltration liquid pump, tertiary-air pipe end is sprayed into after spray gun is atomized.Percolate passes through height
Temperature is evaporated oxidation processes, decomposes its organic principle completely, realizes innoxious.
(4) grey Slag treatment：Lime-ash all by Automobile Transportation to stockpile canopy, is used as manufacture of cement with raw material, weight
Metal ion is cured in clinker, accomplishes harmless treatment.
The cement kiln synergic processing sludge technology, including following technological process：
1) municipal sludge running：Special purpose vehicle transport (the aqueous 80% sludge) → sludge storage bin → sludge with metering
Pump → hollow paddle type desiccation machine → dewatered sludge storehouse → conveying equipment → cement kiln → waste residue with metering is directly as raw material.Will
Municipal sludge focuses on cement plant and is directly poured into underground sludge by transporting tank car and receives in Storage Silo, and sludge passes through broken arch
Balladeur train is entered in malleation batcher by storehouse lower discharge port, and malleation batcher squeezes into sludge in paste pump, into paste pump
Sludge force down that frictional resistance multiple tube is totally enclosed to be delivered to hollow paddle type desiccation machine by height, the sludge of desiccation is by cored screw
Conveyer is transported to dewatered sludge storehouse, is then delivered to dore furnace by conveying equipment, is burnt by the high-temperature gas desiccation of dore furnace
Burn, then enter rotary kiln.
2) sludge is uniformly fed dore furnace, by the use of dore furnace hot blast as desiccation burning gases, the heat after sludge incineration
Flue gas enters kiln tail system, carries out heat exchange with raw material, while decompose part harmful substance.Accomplish recycling, the nothing of Treatment of Sludge
Evilization, minimizing.
3) enter raw material of the cement rotary kiln as production clinker after burning after caused ash collection, use computer
The coordinated operation of sludge incinerating system and cement firing system is controlled, the odorous gas of sludge is incinerated, can be to being produced after burning
Acidic materials (such as HCl, SO2And CO3 2-Deng) neutralization is played, them is become salt and be fixed up, foul smell is used in sludge bin
Blower fan is pumped into smoke-box, carries out combustion decomposition.Can be solidificated in metallic element (including heavy metal) that may be present in hazardous waste
In clinker mineral, and solidify stabilization.
From design objective, the scale of this project processing domestic waste is 42000t/, handles the scale of sludge
For 7500t/.According to the actual conditions and combustible loss to Tai Er village domestic waste and sludge, analysis calculating is being carried out
When, the calorific value of domestic waste and sludge distinguishes value 2629kcal/kg and 476.2kcal/kg, and effective rate of utilization value is
70%, raw coal calorific value value is 5000kcal/kg.
Raw coal amount is saved in waste incineration：2629kcal/kg×4.2×107The ÷ 5000kcal/kg=1.54 ten thousand of kg × 70%
Ton；
Raw coal amount is saved in sludge incineration：476.2kcal/kg×7.5×106The ÷ 5000kcal/kg=0.05 of kg × 70%
Ten thousand tons.
(2) raw material replacement amount：
According to the difference of domestic waste composition, the incinerator ash quantity of slag is general also different.Burning city domestic garbage
The ratio that the grey quantity of slag accounts for rubbish total amount is generally 20%~25%, this project according to the food waste of Taierzhuang District domestic waste compared with
Actual features more, moisture is larger, it is 20% to take incineration residue ratio.Therefore, year processing 42000t domestic wastes can produce
Raw 8400t lime-ash, i.e., instead of clinker raw material 8400t.
Primary sludge water content is about 80%, and at this moment sludge, which directly burns, can not possibly provide extra heat energy utilization.Sludge
Heat energy release effects can only could be realized by the sludge of desiccation, semi-oriented processing.It is basic by the sludge moisture content of desiccation
20% or so is maintained at, after burning, final caused lime-ash accounts for the 6.67% of primary sludge.Therefore, year processing 7500t
Sludge can produce 500t lime-ash, i.e., instead of clinker raw material 500t.
Understand that lime-ash is about 0.89 ten thousand tons instead of cement raw material annual amount, only accounts for 750,000 tons of cement annual production through analysis
1.19%, content is seldom, and domestic waste and sludge incineration ash component are similar to cement, SiO3、CaO、Al2O3、
Fe2O3、K2The important component content such as O and MgO is more or less the same, therefore the quality of cement will not be impacted.
Claims (4)
1. a kind of cement kiln synergic processing domestic waste and sludge technology, it is characterized in that：Domestic waste is passed through back
Rotatable waste incinerator processing, a large amount of heat smokes will be produced and introduce replacement part of fuel decomposition raw material in rotary cement kiln system,
Again using the lime-ash of waste incineration as the raw material instead of part producing clinker, cement revolution is sent into together with other raw materials and fuel
Kiln system, clinker is made after roasting；Meanwhile the dewatered sludge for being prepared into sludge after desiccation machine desiccation is sent into cement
Rotary system combustion decomposition, burning replace part of fuel, and clinker is made after burning.
2. cement kiln synergic processing domestic waste according to claim 1 and sludge technology, it is characterized in that：A kind of water
Stall cooperative disposal domestic waste and sludge technology, including cement kiln synergic processing domestic waste technology and cement kiln
Cooperative disposal sludge technology.
3. cement kiln synergic processing domestic waste according to claim 2 and sludge technology, it is characterized in that：The water
Stall cooperative disposal domestic waste technology, including following technological process：
(1) rubbish receiving and accumulating：Rubbish is conveyed into factory by enclosed garbage Transport Appropriation Rolling Stock, is first weighed through weighbridge, then
Transport is stored through Dump gate discharging to refuse pit to discharging platform, and rubbish pressed in into factory's time is separated in pond by grabbing bucket
Stack, discharging hall and dump pit use fully-automatic sealing door, i.e., garbage truck by when door automatically open up, car leave back door oneself
It is dynamic to close, prevent rubbish stench from spreading, be negative pressure in dump pit, the gas store in hole is sent into kiln hood cooling using centrifugal blower
Machine uses as cooling wind, and full-automatic driving grabs rubbish in material bin, subsequently enters incinerator burning；
(2) feeding and burning：Waste incinerator is set by cement rotary kiln, hot-air is extracted as rubbish from kiln hood grate-cooler
The combustion air of burning, by being burnt in feeding machine feeding swinging incinerator, caused heat smoke introduces after burning decomposes rubbish
In stove, substitute part and burn till with coal, provide heat for raw material decomposition, swinging incinerator inner wall builds refractory material by laying bricks or stones, prevents height
Wet body causes to damage to body of heater, while heat storing and heat preserving, improves the thermal efficiency；
(3) percolate is handled：Percolate caused by sanitary fill, into leachate collection pool, uses after drainage grill filters
Diafiltration liquid pump is transported to tertiary-air pipe, and tertiary-air pipe end is sprayed into after spray gun is atomized, and percolate is entered by high temperature
The processing of row evaporation oxidation, decomposes its organic principle, realizes innoxious completely；
(4) grey Slag treatment：Lime-ash all by Automobile Transportation to stockpile canopy, is used, heavy metal as manufacture of cement with raw material
Ion is cured in clinker, accomplishes harmless treatment.
4. cement kiln synergic processing domestic waste according to claim 2 and sludge technology, it is characterized in that：The water
Stall cooperative disposal sludge technology, including following technological process：
1) municipal sludge running：Special purpose vehicle transport (the aqueous 80% sludge) → sludge storage bin → sludge pump with metering →
Hollow paddle type desiccation machine → dewatered sludge storehouse → conveying equipment → cement kiln → waste residue with metering is directly as raw material, by municipal administration
Sludge focuses on cement plant and is directly poured into underground sludge by transporting tank car and receives in Storage Silo, and sludge passes through broken arch balladeur train
Entered by storehouse lower discharge port in malleation batcher, malleation batcher squeezes into sludge in paste pump, into the dirt of paste pump
Mud forces down that frictional resistance multiple tube is totally enclosed to be delivered to hollow paddle type desiccation machine by height, and the sludge of desiccation is conveyed by cored screw
Machine is transported to dewatered sludge storehouse, is then delivered to dore furnace by conveying equipment, by the high-temperature gas anhydration and incineration of dore furnace, so
Laggard rotary kiln；
2) sludge is uniformly fed dore furnace, by the use of dore furnace hot blast as desiccation burning gases, the heat smoke after sludge incineration
Enter kiln tail system, carry out heat exchange with raw material, while decompose part harmful substance, accomplish Treatment of Sludge recycling, it is innoxious,
Minimizing；
3) enter raw material of the cement rotary kiln as production clinker after burning after caused ash collection, computerized control
The coordinated operation of sludge incinerating system and cement firing system, the odorous gas of sludge are incinerated, can be to caused acid after burning
Property material rise neutralization, them is become salt and be fixed up, in sludge bin foul smell with blower fan be pumped into smoke-box, carry out burning point
Solution, can be such that metallic element that may be present in hazardous waste is solidificated in clinker mineral, and solidify stabilization.
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| CN201710622487.0A CN107459271A (en) | 2017-07-20 | 2017-07-20 | Cement kiln synergic processing domestic waste and sludge technology |
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| CN108036323A (en) * | 2017-12-29 | 2018-05-15 | 长沙中硅水泥技术开发有限公司 | The system and method that cement kiln cooperates with multifuel combustion garbage flying ash and sludge eco-cement |
| CN109748474A (en) * | 2019-03-13 | 2019-05-14 | 重庆市渝溪产业（集团）有限公司 | A kind of sludge exempts from pretreated cement kiln synergic processing device |
| CN110171935A (en) * | 2019-05-23 | 2019-08-27 | 惠州市环境科学研究所 | A kind of method of cement kiln synergic processing footwear material leftover pieces |
| CN110779017A (en) * | 2019-12-02 | 2020-02-11 | 南京凯盛开能环保能源有限公司 | Green building materials circulation industrial park system |
| CN111689703A (en) * | 2020-06-15 | 2020-09-22 | 浙江红狮环保股份有限公司 | Method for cooperatively treating inorganic hazardous waste in cement kiln |
| CN111895412A (en) * | 2020-07-21 | 2020-11-06 | 鲁西化工集团股份有限公司煤化工一分公司 | System and process for harmless treatment and recycling of waste iron barrel |
| CN112944361A (en) * | 2021-01-29 | 2021-06-11 | 吉林化工学院 | Process system for cooperatively treating oil sludge by using cement kiln |
| CN114184045A (en) * | 2021-12-16 | 2022-03-15 | 南京凯盛国际工程有限公司 | Cement kiln collaborative incineration alternative fuel system and process principle thereof |
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| CN108036323A (en) * | 2017-12-29 | 2018-05-15 | 长沙中硅水泥技术开发有限公司 | The system and method that cement kiln cooperates with multifuel combustion garbage flying ash and sludge eco-cement |
| CN109748474A (en) * | 2019-03-13 | 2019-05-14 | 重庆市渝溪产业（集团）有限公司 | A kind of sludge exempts from pretreated cement kiln synergic processing device |
| CN110171935A (en) * | 2019-05-23 | 2019-08-27 | 惠州市环境科学研究所 | A kind of method of cement kiln synergic processing footwear material leftover pieces |
| CN110779017A (en) * | 2019-12-02 | 2020-02-11 | 南京凯盛开能环保能源有限公司 | Green building materials circulation industrial park system |
| CN111689703A (en) * | 2020-06-15 | 2020-09-22 | 浙江红狮环保股份有限公司 | Method for cooperatively treating inorganic hazardous waste in cement kiln |
| CN111895412A (en) * | 2020-07-21 | 2020-11-06 | 鲁西化工集团股份有限公司煤化工一分公司 | System and process for harmless treatment and recycling of waste iron barrel |
| CN112944361A (en) * | 2021-01-29 | 2021-06-11 | 吉林化工学院 | Process system for cooperatively treating oil sludge by using cement kiln |
| CN114184045A (en) * | 2021-12-16 | 2022-03-15 | 南京凯盛国际工程有限公司 | Cement kiln collaborative incineration alternative fuel system and process principle thereof |
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