CN109437500A - The power plant's coupled system and coupling process of sludge drying are carried out using flyash - Google Patents
The power plant's coupled system and coupling process of sludge drying are carried out using flyash Download PDFInfo
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- CN109437500A CN109437500A CN201811601750.9A CN201811601750A CN109437500A CN 109437500 A CN109437500 A CN 109437500A CN 201811601750 A CN201811601750 A CN 201811601750A CN 109437500 A CN109437500 A CN 109437500A
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- sludge
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- 239000010881 fly ash Substances 0.000 title claims abstract description 63
- 239000010802 sludge Substances 0.000 title claims abstract description 63
- 238000001035 drying Methods 0.000 title claims abstract description 27
- 238000010168 coupling process Methods 0.000 title claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 51
- 238000003860 storage Methods 0.000 claims abstract description 25
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 16
- 239000010801 sewage sludge Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses power plant's coupled systems and coupling process that sludge drying is carried out using flyash, including feeding pipeline, Shaftless screw conveyor, crushing plant, mixing apparatus, storage silo, boiler, coal conveyer belts, exhaust gas processing device, conveyer and flyash equipment；The starting point of feeding pipeline is connected to raw sewage pond, and feeding pipeline is connected to by Shaftless screw conveyor with the feeding inlet of crushing plant, and the discharge port of crushing plant is connected to the feeding inlet of mixing apparatus；The discharge port of mixing apparatus is connected to the feeding inlet of storage silo, and the discharge port of storage silo is connected to by coal conveyer belts with the feeding inlet of boiler；Exhaust outlet at the top of boiler is connected to by pipeline with exhaust gas processing device；The slag-drip opening of boiler bottom is connected to conveyer.Drying and other treatment, simple original desiccation process, coupling resource power generation cleverly are carried out to raw sewage using the burning waste flyash of power plant.Overcome the high technical problem of complex process, the dehydration cost of prior art sludge dewatering.
Description
Technical field
The present invention relates to coupled electricity-generation technical fields, and power plant's coupled system of sludge drying is carried out in particular with flyash
And coupling process.
Background technique
With the rapid development of our country's economy, municipal sewage treatment amount and sludge yield rapid development end 2015, according to
Data China, official the planned city sewage sludge harmlessness disposing rate be lower than 53%, be far from reaching 80% planning requirement.About 30% dirt
Mud takes interim disposition, and 17% or so disappears without a trace.
2017, national urban wastewater treatment and regeneration Facilities Construction planning in specify sewage sludge harmlessness to be increased
Disposition dynamics, it is desirable that sewage sludge harmlessness disposing scale is increased to 22,000,000 tons/year, facility investment about 29,400,000,000.But current China
The situation is tense for sewage sludge harmlessness disposing, and traditional sludge disposal technology existing defects, sewage sludge harmlessness disposal of resources gets into a difficult position.
Anaerobic digestion techniques there are the problem of have: first, device capbility be much larger than sludge yield；Second, aerobic compost skill
The fertilizer product that art obtains is of poor quality, and market is narrow；Third, Landfill are only interim disposal options, and there are secondary pollutions
Problem, national explicit order limitation；4th, the construction cost and operation cost of independent anhydration and incineration technology are too high, operation cost 350-
600 yuan/t；5th, collaboration cement kiln incineration technology is that cost is relatively low for one kind, the technology of high treating effect.Because cooperateing with simultaneously
Dangerous waste is disposed, digestion capability deficiency situation is faced.
To improve sludge dewatering efficiency, part industry is dehydrated using furnace drying method, but low temperature during material drying,
Part gas with foreign flavor is generated during medium temperature, high temperature dehydration, makes another problem in atmosphere pollution, and dehydration is caused to throw
Money is high, cost is high.
The sludge and fly ash in electric power plant of sewage treatment plant belong to solid waste at this stage, such as fill or abandon greatly
Ground welding, the prior art are also unsatisfactory to its processing.
Summary of the invention
The object of the present invention is to provide power plant's coupled systems and coupling process that sludge drying is carried out using flyash, to solve
The flyash that certainly dewatering technology of mud of sewage treatment plant is complicated, dehydration cost is high, power plant generates can not secondary use technology
Problem.
To achieve the above object, the present invention adopts the following technical scheme: one aspect of the present invention, which provides, utilizes flyash progress
Power plant's coupled system of sludge drying, including feeding pipeline, Shaftless screw conveyor, crushing plant, mixing apparatus, storage silo,
Boiler, coal conveyer belts, exhaust gas processing device, conveyer and flyash equipment；
The starting point of feeding pipeline is connected to raw sewage pond, and feeding pipeline passes through the pan feeding of Shaftless screw conveyor and crushing plant
Mouth connection, the discharge port of crushing plant are connected to the feeding inlet of mixing apparatus；The discharge port of mixing apparatus and the pan feeding of storage silo
The discharge port of mouth connection, storage silo is connected to by coal conveyer belts with the feeding inlet of boiler；
Exhaust outlet at the top of boiler is connected to by pipeline with exhaust gas processing device；The slag-drip opening of boiler bottom is connected to conveyer,
When working condition, the flyash after boiler combustion is sent into mixing apparatus by conveyer.
It further, further include steam turbine and generator.The chemical energy for blending post fuel is converted working media (one by boiler
As be water) it is interior can, interior in steam that boiler generates can be converted to mechanical energy by steam turbine, and pass through coaxially connected power generation
Machine converts mechanical energy into electric energy, to achieve the purpose that convert electric energy for the chemical energy of fuel combination.
Further, the moisture percentage in sewage sludge 60% in raw sewage pond.
Further, the mixing water content of matter of sludge and flyash is 40% in storage silo.
Further, the mixed-fuel burning proportion of the sludge in boiler and flyash is 15%-50%.
Further, auger component is provided in mixing apparatus.It is provided at the top of mixing apparatus for adding flyash
Feed inlet.
Further, the dump skip for adding flyash is provided at the top of crushing plant.
Further, it stores and is provided on bin discharge port external for the material in mixing apparatus to be transmitted on coal conveyer belts
Screw(-type) feeder or bucket elevator.
Further, insulating layer is provided on storage silo outer wall.
Another aspect of the present invention provides the coupling process of above-mentioned power plant's coupled system that sludge drying is carried out using flyash,
Specific step is as follows:
The raw sewage of moisture content 60% is sent into crushing plant by step 1 by feeding pipeline；
Step 2 carries out broken raw sewage and is delivered to mixing apparatus；Fine coal is added by the top feed mouth of mixing apparatus
Ash the ratio of flyash is added according to experiment gained experience Blend proportion control, using the auger in mixing apparatus by sludge
It is stirred evenly with the mixture of flyash；
Dewatered sludge in mixing apparatus is delivered to storage silo by step 3；Coal conveyer belts are delivered to by screw(-type) feeder；
Step 4, the dewatered sludge after blending are sent to boiler furnace burning；
The flyash of step 5, boiler furnace afterburnt is sent into mixing apparatus by conveyer；Cigarette after boiler furnace burning
Gas passes through the exhaust outlet being arranged at the top of boiler and enters exhaust gas processing device；
Step 6, gas is discharged after up to standard by the processing of the devices such as the matched denitration of coal-burning boiler, desulfurization, dedusting after burning.
The beneficial effects of the present invention are embodied in:
1, the power plant's coupled system and coupling process provided by the invention that sludge drying is carried out using flyash, coupled system setting
Scientific and reasonable, raw material uses sludge and fly ash in electric power plant both solid waste of sewage treatment plant at this stage, realizes
Power plant solid waste product self-loopa, low raw-material cost.
2, method provided by the invention can play the role of turning waste into wealth, and cleverly use the burning waste fine coal of power plant
Ash carries out drying and other treatment, simple original desiccation process, coupling resource power generation to raw sewage.Overcome prior art sludge dewatering
Complex process, the high technical problem of dehydration cost.
3, method provided by the invention provides new resolving ideas for sludge and flyash both fixed-end forces, provides
Coal ash secondary is improved the occasion, and the dewatered sludge after physical mixed is directly mixed Coal Transportation System and is fired subsequently into boiler
It burns, makes full use of the calorific value of dewatered sludge to substitute a part coal-fired.The production cost of enterprise is greatly reduced, while reducing work
Environment bring is polluted in industry production.Achieve the purpose that sewage sludge harmlessness minimizing is disposed.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that understand through the implementation of the invention.The main object of the present invention and further advantage can be by specifications, power
Specifically noted scheme is achieved and obtained in sharp claim.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the flow diagram of the embodiment of the present invention one.
Fig. 2 is the flow diagram of the embodiment of the present invention two.
Appended drawing reference: 1- raw sewage pond, 2- crushing plant, 3- mixing apparatus, 4- storage silo, 5- boiler, 6- vent gas treatment
Device, 7- dump skip, 8- bucket elevator, 9- coal conveyer belts.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is only exemplary,
It is only capable of for explanation and illustration technical solution of the present invention, and the limitation to technical solution of the present invention cannot be construed to.
Embodiment 1, as shown in Figure 1, one aspect of the present invention provides the power plant's coupled systemes for carrying out sludge drying using flyash
System, including feeding pipeline, Shaftless screw conveyor, crushing plant 2, mixing apparatus 3, storage silo 4, boiler 5, coal conveyer belts 9,
Exhaust gas processing device 6, conveyer and flyash equipment.The starting point of feeding pipeline is connected to raw sewage pond 1, and feeding pipeline passes through
Shaftless screw conveyor is connected to the feeding inlet of crushing plant 2, and the discharge port of crushing plant 2 and the feeding inlet of mixing apparatus 3 connect
It is logical；The discharge port of mixing apparatus 3 is connected to the feeding inlet of storage silo 4, and the discharge port of storage silo 4 passes through coal conveyer belts 9 and pot
The feeding inlet of furnace 5 is connected to, and is provided with insulating layer on 4 outer wall of storage silo.It is provided at the top of mixing apparatus 3 for adding flyash
Feed inlet；Screw mixer is provided in mixing apparatus 3.It is provided on 4 discharge port of storage silo for by the object in mixing apparatus 3
Material is transmitted to coal conveyer belts 9.
The exhaust outlet at 5 top of boiler is connected to by pipeline with exhaust gas processing device 6；The slag-drip opening of 5 bottom of boiler and conveying
Machine connection, when working condition, conveyer will boiler 5 burn after flyash be sent into mixing apparatus 3.
Above-mentioned power plant's coupled system further includes steam turbine and generator.Boiler 5 converts the chemical energy for blending post fuel to
Working media (generally water) it is interior can, interior in steam that boiler 5 generates can be converted to mechanical energy by steam turbine, and by same
The generator of axis connection converts mechanical energy into electric energy, to achieve the purpose that convert electric energy for the chemical energy of fuel combination.
Wherein, the moisture percentage in sewage sludge 60% in raw sewage pond 1.The mixing water content of matter of sludge and flyash is in storage silo 4
40%.The mixed-fuel burning proportion of sludge and flyash in boiler 5 is 15%-50%.
The coupling process of above-mentioned power plant's coupled system that sludge drying is carried out using flyash, the specific steps are as follows:
The raw sewage of moisture content 60% is sent into crushing plant 2 by step 1 by feeding pipeline；
Step 2 carries out broken raw sewage and is delivered to mixing apparatus 3；It is added by the top feed mouth of mixing apparatus 3
10%-15% flyash is stirred evenly the mixture of sludge and flyash using the blender in mixing apparatus 3, test mixing
Object water content；
Step 3 when the water content of mixture is 40-50%, stops addition flyash, obtains mixing sludge；
Dewatered sludge in mixing apparatus 3 is delivered to storage silo 4 by step 4；Coal conveyer belts are delivered to by screw(-type) feeder
9；
Step 5, the dewatered sludge after blending are sent to 5 hearth combustion of boiler；
The flyash of step 6,5 burner hearth afterburnt of boiler is sent into mixing apparatus 3 by conveyer；After 5 hearth combustion of boiler
Flue gas passes through the exhaust outlet being arranged at the top of boiler 5 and enters exhaust gas processing device 6；
Step 7, gas is discharged after up to standard by denitration, desulfurization, dust removal process after burning.
Wherein, the ratio of the mixture of sludge and flyash selects in step 2.In order to investigate 60% or so water-containing sludge with
Flyash slightly mixes effect, and sludge physical behavior changes after observation mixing.It uses 15kg sludge for benchmark sample, investigates respectively mixed
Close the physical behavior variation after 2.25kg, 4.5kg, 7.5kg flyash (particulate).
The equipment and equipment used in experiment are as follows: sludge 500kg, flyash 250kg, 2, metal bucket, woven bag 10, electricity
Sub- scale 1 (range 100Kg), 1, spade, pick up 1, trolley 1.Sludge freight: 800 yuan；Master Cost: 400
Member；Labour cost: 200 yuan.The specific method is as follows:
1. being installed with woven bag spare after weighing 2.25kg, 4.5kg, 7.5kg flyash (particulate) with metal bucket.
2. weighing 4 parts of 15kg sludge respectively with metal bucket again, shady place ground is shelved as authentic specimen.It can be spread
It is flat to shelve ground, it is made into pie.
3. repeating step 1-2, flyash is taken out and is sufficiently mixed with sludge, after 30min, records moisture percentage in sewage sludge
Transitivity variation.
4. repeating step 1-2, flyash is taken out and is sufficiently mixed with sludge, after 60min, records moisture percentage in sewage sludge
Transitivity variation.
5. repeating step 1-2, flyash is taken out and is sufficiently mixed with sludge, after 90min, records moisture percentage in sewage sludge
Transitivity variation.
(4) measurement of water-content coefficient summarizes after testing
The measurement of water-content coefficient of 1 mixture of table
Embodiment 2 carries out the power plant's coupled system and coupling process of sludge drying using flyash, with embodiment 1, difference
It is, the dump skip 7 for adding flyash is provided at the top of crushing plant 2.7 top of dump skip is provided with bridge-type grab machine.
The bucket elevator 8 for being transmitted to the material in mixing apparatus 3 on coal conveyer belts is provided on 4 discharge port of storage silo.
It is shown in Figure 2.
To sum up, the power plant's coupled system and coupling process provided by the invention that sludge drying is carried out using flyash, not only
Sludge ash heat is made full use of, while carrying out sludge incineration vent gas treatment using existing environmental protection facility, reduces sludge heat drying
Cost of investment.System provided by the invention realizes power plant's solid waste product self-loopa, reach sludge treatment recycling, it is innoxious,
Minimizing, stabilized target.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
The change or replacement that anyone skilled in the art is expected in the technical scope disclosed by the present invention should all be contained
Lid is within protection scope of the present invention.
Claims (10)
1. carrying out power plant's coupled system of sludge drying using flyash, it is characterised in that: defeated including feeding pipeline, shaftless screw
Send machine, crushing plant (2), mixing apparatus (3), storage silo (4), boiler (5), coal conveyer belts (9), exhaust gas processing device (6)
With flyash equipment；
The starting point of feeding pipeline is connected to raw sewage pond (1), and feeding pipeline passes through Shaftless screw conveyor and crushing plant (2)
Feeding inlet connection, the discharge port of crushing plant (2) is connected to the feeding inlet of mixing apparatus (3)；The discharge port of mixing apparatus (3)
It is connected to the feeding inlet of storage silo (4), the discharge port of storage silo (4) is connected by the feeding inlet of coal conveyer belts (9) and boiler (5)
It is logical；
Exhaust outlet at the top of boiler (5) is connected to by pipeline with exhaust gas processing device (6)；The slag-drip opening of boiler (5) bottom with it is defeated
Machine is sent to be connected to, when working condition, the flyash after boiler (5) burning is sent into mixing apparatus (3) by conveyer.
2. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that further include
Steam turbine and generator.
3. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that raw sewage
Moisture percentage in sewage sludge 60% in pond (1).
4. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that storage silo
(4) the mixing water content of matter of interior sludge and flyash is 40%.
5. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that boiler
(5) mixed-fuel burning proportion of sludge and flyash in is 15%-50%.
6. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that broken to set
The dump skip (7) for adding flyash is provided at the top of standby (2).
7. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that mixing is set
Auger component is provided in standby (3).
8. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that mixing is set
Screw(-type) feeder or bucket elevator (8) are provided between standby (3) and storage silo (4).
9. the power plant's coupled system as described in claim 1 for carrying out sludge drying using flyash, which is characterized in that storage silo
(4) insulating layer is provided on outer wall.
10. the coupling of the power plant's coupled system for carrying out sludge drying using flyash as described in any one of claim 1-8
Conjunction method, which is characterized in that specific step is as follows:
The raw sewage of moisture content 60% is sent into crushing plant (2) by step 1 by feeding pipeline；
Step 2 carries out broken raw sewage and is delivered to mixing apparatus (3)；Added by the top feed mouth of mixing apparatus (3)
Enter 10%-15% flyash, stirred evenly the mixture of sludge and flyash using the blender in mixing apparatus (3), tests
Mixture water content；
Dewatered sludge in mixing apparatus (3) is delivered to storage silo (4) by step 3；Defeated coal skin is delivered to by screw(-type) feeder
Band machine (9)；
Step 4, the dewatered sludge after blending are sent to boiler (5) hearth combustion；
The flyash of step 5, boiler (5) burner hearth afterburnt is sent into mixing apparatus (3) by conveyer；The combustion of boiler (5) burner hearth
Flue gas after burning enters exhaust gas processing device (6) by the exhaust outlet being arranged at the top of boiler (5)；
Step 6, gas is discharged after up to standard by denitration, desulfurization, dust removal process after burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601750.9A CN109437500A (en) | 2018-12-26 | 2018-12-26 | The power plant's coupled system and coupling process of sludge drying are carried out using flyash |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601750.9A CN109437500A (en) | 2018-12-26 | 2018-12-26 | The power plant's coupled system and coupling process of sludge drying are carried out using flyash |
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| CN109437500A true CN109437500A (en) | 2019-03-08 |
Family
ID=65537978
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|---|---|---|---|
| CN201811601750.9A Pending CN109437500A (en) | 2018-12-26 | 2018-12-26 | The power plant's coupled system and coupling process of sludge drying are carried out using flyash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960895A (en) * | 2021-02-26 | 2021-06-15 | 大唐环境产业集团股份有限公司 | Coal-fired power plant sludge drying system utilizing coal ash |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160163A1 (en) * | 2001-12-07 | 2003-07-10 | Mac Mix Baustoffe Gmbh & Co Kg | Process to condition municipal sludge and render it fit for disposal by admixture with coal ash and incineration as concrete |
| CN101570388A (en) * | 2009-05-26 | 2009-11-04 | 华电滕州新源热电有限公司 | Harmless recycling treatment process for urban sludge |
| CN201999838U (en) * | 2010-12-15 | 2011-10-05 | 嘉兴新嘉爱斯热电有限公司 | Sludge treatment system |
| CN102531302A (en) * | 2011-12-31 | 2012-07-04 | 北京中电加美环境工程技术有限责任公司 | Sludge heat drying and coal incinerating treatment system |
| CN209383636U (en) * | 2018-12-26 | 2019-09-13 | 北京国电龙源环保工程有限公司 | Power plant's coupled system of sludge drying is carried out using flyash |
| CN216844701U (en) * | 2021-12-30 | 2022-06-28 | 上海康恒环境股份有限公司 | Sludge incineration treatment system |
-
2018
- 2018-12-26 CN CN201811601750.9A patent/CN109437500A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160163A1 (en) * | 2001-12-07 | 2003-07-10 | Mac Mix Baustoffe Gmbh & Co Kg | Process to condition municipal sludge and render it fit for disposal by admixture with coal ash and incineration as concrete |
| CN101570388A (en) * | 2009-05-26 | 2009-11-04 | 华电滕州新源热电有限公司 | Harmless recycling treatment process for urban sludge |
| CN201999838U (en) * | 2010-12-15 | 2011-10-05 | 嘉兴新嘉爱斯热电有限公司 | Sludge treatment system |
| CN102531302A (en) * | 2011-12-31 | 2012-07-04 | 北京中电加美环境工程技术有限责任公司 | Sludge heat drying and coal incinerating treatment system |
| CN209383636U (en) * | 2018-12-26 | 2019-09-13 | 北京国电龙源环保工程有限公司 | Power plant's coupled system of sludge drying is carried out using flyash |
| CN216844701U (en) * | 2021-12-30 | 2022-06-28 | 上海康恒环境股份有限公司 | Sludge incineration treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 姬爱民等: "《污泥热处理》", 冶金工业出版社, pages: 113 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960895A (en) * | 2021-02-26 | 2021-06-15 | 大唐环境产业集团股份有限公司 | Coal-fired power plant sludge drying system utilizing coal ash |
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Address after: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Applicant after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Applicant before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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Application publication date: 20190308 |