CN109942169A - The double-deck vortex sludge dehydrating and drying device - Google Patents
The double-deck vortex sludge dehydrating and drying device Download PDFInfo
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- CN109942169A CN109942169A CN201910299151.4A CN201910299151A CN109942169A CN 109942169 A CN109942169 A CN 109942169A CN 201910299151 A CN201910299151 A CN 201910299151A CN 109942169 A CN109942169 A CN 109942169A
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- sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 105
- 238000001035 drying Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 37
- 229910003460 diamond Inorganic materials 0.000 claims description 18
- 239000010432 diamond Substances 0.000 claims description 18
- 239000000411 inducer Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012043 crude product Substances 0.000 claims description 6
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims 1
- 241001083492 Trapa Species 0.000 claims 1
- 235000014364 Trapa natans Nutrition 0.000 claims 1
- 235000009165 saligot Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 239000010865 sewage Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses the double-deck vortex sludge dehydrating and drying devices, including outer barrel, it is set in outer barrel and concentric inner cylinder, constitute inside and outside two layers of chamber, wet mud import is offered at the top of outer barrel one end, sludge import is offered far from wet mud input end at the top of inner cylinder, inner cylinder offers sludge outlet far from sludge input end；Inner cylinder end at sludge outlet is concordant with outer barrel end, there are spacing for inner cylinder the other end and outer barrel the other end, it is provided with heating layer among inside and outside two layers of chamber, outer layer agitating shaft is provided in outer layer chamber, internal layer agitating shaft is provided in inner layer cavity room.The present invention carries out classification processing to sludge using double-layer shell structure, can handle moisture content up to 95% sludge, the adaptability of sludge is greatly enhanced.Centre setting central thermal chambers, can simultaneously heat two-stage treatment process, make full use of the energy, more environmentally-friendly.
Description
Technical field
The present invention relates to the present invention relates to sludge treatment device fields, in particular to sludge drying technique field, specially
Sludge drying device.
Background technique
With making constant progress for China's economic society, treatment rate of domestic sewage is stepped up, at town domestic sewage
A large amount of sludge can be generated after reason, will be urban area environment if these sludge cannot obtain timely, effective and stable processing
Carry out great hidden danger with the safety belt of people's lives.In addition, the industrial process such as papermaking, chemical industry, process hides, printing and dyeing and rivers and lakes are dredged
A large amount of sludge can also be generated by dredging etc..Therefore how efficiently to carry out harmless treatment to sludge is that current urgent need to resolve is asked
Topic.
Sludge is the by-product after sewage treatment, and the quantity of sludge is very huge, and the annual domestic sludge processing in China generates
Sludge quantity just reach more than one hundred million tons, along with industrial pollution processing generate paper-making pollution, printing pollution, pollution in leather industry, greasy filth dirt
Industrial pollution, the quantity of sludge such as dye are just more huge.Sludge is also contained due to inorganic, organic pollutant containing concentration
A large amount of pathogen and detection device for multi metallic elements, therefore, it is necessary to be dealt carefully with to sludge.National overwhelming majority sewage treatment
The usual way of factory is, unprocessed to sludge or after simple process, directly transport to soot and rubbish blended landfill,
It arbitrarily stacks, sanitary landfills standard is much not achieved；Long-term banks up, and mosquitos and flies breeds, and crops and everyway will suffer from ruining
Going out property injury, serious secondary pollution and it is helpless be closely extremely urgent environmental problem.
The sludge that sewage treatment plant generates moisture content after being dehydrated still is up to 80%, and volume, quality are larger, are unfavorable for subsequent
Processing disposition.No matter final sludge, using which kind of processing disposal options, the reduction of sludge water content is all particularly significant.At mechanical dehydration
Reason technology can only remove the Free water in sludge, and the moisture content if you need to further decrease sludge then needs by the way of heat drying.
Fluid state is presented in the higher sludge of moisture content, and with the reduction of its moisture content in drying process, plasticity is gradually
Show, and generates greatly viscosity.Existing sludge drying machine mostly uses the heating method of indirect heat transfer, the heat of heat-transfer working medium
Sludge is indirectly transferred to through hot wall.With the progress of desiccation, moisture percentage in sewage sludge is reduced, and volume reduces, and is easily attached on hot wall
Surface is unfavorable for the update of the uniform mixing and evaporating surface of sludge.It will crust after the evaporation of Sludge Surface moisture, due to sludge shell
Heat transfer coefficient it is low, if sludge shell cannot be broken, the efficiency that sludge conducts heat outward in shell is significantly reduced, and causes sludge dry
Changing rate reduces, and constrains the treating capacity of sludge drying machine.
Two or four stirring shafts are arranged according to treating capacity in currently used indirect heat transfer oar blade type sludge drying machine,
Adjacent stirring shaft backwards rotation.Several stirrer paddles (disk) are set on every stirring shaft, and blade design is wedge shape
Double leaf, and be installed vertically on stirring shaft.Blade on adjacent stirring shaft is spaced apart, and mutually ratcheting, is stirred with realizing
Mix the reinforcing of effect.
Currently, the R&D personnel in this field, focus is how to improve the desiccation effect and efficiency of sludge, such as
What reduces the water content of sludge after desiccation, reduces energy consumption etc..
Summary of the invention
The purpose of the present invention is to propose to a kind of integrated hierarchical composition sludge drying devices, can safely and efficiently carry out dirt
Mud desiccation.
Purpose to realize the present invention provides following technical scheme: the double-deck vortex sludge dehydrating and drying device, including outer cylinder
Body is set in outer barrel and concentric inner cylinder, is constituted inside and outside two layers of chamber, is offered wet dirt at the top of outer barrel one end
Mud import, inner cylinder top offer sludge import far from wet mud input end, and inner cylinder offers dirt far from sludge input end
Mud outlet；Inner cylinder end at sludge outlet is concordant with outer barrel end, inner cylinder the other end and outer barrel the other end
There are spacing, it is provided with heating layer among inside and outside two layers of chamber, is provided with outer layer agitating shaft in outer layer chamber, on outer layer agitating shaft
If being provided with the latticed stirring blade of dry plate, it is provided with internal layer agitating shaft in inner layer cavity room, is provided on internal layer agitating shaft several
Piece diamond shape stirring blade, outer layer agitating shaft are arranged in parallel with internal layer agitating shaft, and outer layer agitating shaft and internal layer agitating shaft pass through electricity
Machine driving.
Preferably, the motor of internal layer agitating shaft is located at sludge outlet end, the motor of outer layer agitating shaft is located at sludge import
The direction of rotation of end, internal layer agitating shaft and outer layer agitating shaft is on the contrary, the rotation speed of outer layer agitating shaft is less than internal layer agitating shaft
Rotation speed.
Preferably, heating layer is the collet being mounted on inner cylinder, heating chamber, collet are constituted between collet and inner cylinder
One end offers heating medium inlet, and the other end offers Crude product input.
Preferably, heating layer is the heating pipe being laid with along inner cylinder length direction, heating pipe one end, which offers, to be added
Thermal medium entrance, the other end offer Crude product input.
Preferably, outer layer agitating shaft includes main shaft, is connected to main shaft bottom and open-ended cylindrical sleeve, grid
Shape stirring blade is vertically set on cylindrical sleeve lateral wall, and cylindrical sleeve is connected by dowel with main shaft；Cylindrical shroud
Cylinder covers outside inner cylinder.
Preferably, outer layer chamber negative pressure value is small, internal layer chamber negative pressure value is big.
Preferably, the cylindrical sleeve side wall is equipped with several through-holes.
Preferably, heat medium is water, oil or steam.
Preferably, spacing between diamond shape stirring blade on internal layer agitating shaft from internal layer agitating shaft both ends to centre according to
It is secondary to be incremented by.
Preferably, internal layer agitating shaft from sludge import to sludge outlet be divided into three sections of inducer, interlude and outlet section,
The diamond shape stirring blade at the place of inducer, interlude, outlet section is tilted at sludge outlet, the boundary of inducer and interlude
The diamond shape stirring blade at place, interlude and outlet section intersection is tilted to sludge entrance.
Advantage and effect:
Compared with prior art, integrated hierarchical composition sludge drying device of the invention, since equipment is using classification integration
Design, compact-sized, the scope of application is wider, has good desiccation effect for the sludge of different water cut.Using double shells
Body structure carries out classification processing to sludge, can handle moisture content up to 95% sludge, the adaptability of sludge is greatly enhanced.
Centre setting central thermal chambers, can simultaneously heat two-stage treatment process, make full use of the energy, more environmentally-friendly.Equipment is adopted
With full closeding state, processing status stability is high, securely and reliably.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
Fig. 1 is main view of the invention.
Fig. 2 is the cross-sectional view of Fig. 1.
Specific embodiment
The present invention will now be explained with reference to the accompanying drawings.
The double-deck vortex sludge dehydrating and drying device including outer barrel 1, is set to inner cylinder in outer barrel 1 and concentric
Body 2 constitutes inside and outside two layers of chamber, and outer layer chamber negative pressure value is small, and internal layer chamber negative pressure value is big.It is offered at the top of 1 one end of outer barrel
Wet mud import 1.1,2 top of inner cylinder offer sludge import 2.1 far from 1.1 end of wet mud import, and inner cylinder 2 is far from sludge
2.1 end of import offers sludge outlet 2.2；1 end of inner cylinder at sludge outlet 2.2 is concordant with 2 end of outer barrel, inner cylinder
1 the other end and 2 the other end of outer barrel are provided with heating layer 3 among inside and outside two layers of chamber, heating layer 3 is peace there are spacing
Collet on inner cylinder constitutes heating chamber between collet and inner cylinder, collet one end offers heating medium inlet 3.1,
The other end offers Crude product input 3.2.Heating layer 3 can also be the heating pipe being laid with along inner cylinder length direction, heat
Pipeline one end offers heating medium inlet 3.1, and the other end offers Crude product input 3.2.Heat medium is water, oil or steaming
Vapour.Outer layer agitating shaft 4 is provided in outer layer chamber, if being provided with the latticed stirring blade 5 of dry plate, outer layer on outer layer agitating shaft 4
Agitating shaft 4 includes main shaft 4.1, is connected to main shaft bottom and open-ended cylindrical sleeve 4.2, and latticed stirring blade 5 hangs down
Straight to be arranged on cylindrical sleeve, cylindrical sleeve 4.2 is connected by dowel and main shaft 4.1；Including 4.2 sets of cylindrical sleeve
Outside cylinder 2,4.2 side wall of cylindrical sleeve is equipped with several through-holes.Internal layer agitating shaft 6, internal layer are provided in inner layer cavity room
If being provided with dry plate diamond shape stirring blade 7 on agitating shaft 6, the spacing between diamond shape stirring blade 7 on internal layer agitating shaft 6 is by interior
Layer agitating shaft both ends to intermediate incremented by successively, internal layer agitating shaft 6 from sludge import 2.1 to sludge outlet 2.2 divide for inducer, in
Between section and three sections of outlet section, inducer, interlude, outlet section place diamond shape stirring blade 7 to tilting at sludge outlet, import
Section, the diamond shape stirring blade at place of interlude, outlet section and the angle of internal layer agitating shaft are 10-30 degree；Inducer and interlude
Intersection, interlude and outlet section intersection diamond shape stirring blade to tilting at sludge import 2.1, inducer and interlude
Intersection, interlude and the diamond shape stirring blade of outlet section intersection and the angle of internal layer agitating shaft be 35-45 degree.So that into
The dynamics that mouth section is pushed to interlude is greater than the dynamics that interlude is pushed to inducer, the great efforts that interlude is pushed to outlet section
In the dynamics that outlet section is pushed to interlude.Outer layer agitating shaft 4 is arranged in parallel with internal layer agitating shaft 6, outer layer agitating shaft 4 and internal layer
Agitating shaft 6 passes through motor driven.The motor of internal layer agitating shaft 6 is located at 2.2 end of sludge outlet, the motor position of outer layer agitating shaft 6
In 2.1 end of sludge import, the direction of rotation of internal layer agitating shaft 6 and outer layer agitating shaft 4 on the contrary, outer layer agitating shaft 4 rotation speed
Less than the rotation speed of internal layer agitating shaft 6.
Concrete operating principle:
Sludge is entered into outer barrel 1 from wet mud entrance 1.1, the stirring of the latticed stirring blade 5 on outer layer agitating shaft 4 is matched
The heat effect for closing heating layer 3 carries out pre-dehydration to wet mud, by pretreated level-one sludge by the entrance of sludge inlet 2.1
The heat effect of cylinder 2, the stirring cooperation heating layer 3 of the diamond shape stirring blade 7 on internal layer agitating shaft 6 carries out level-one sludge
Second level deep dehydration, finally the dewatered sludge Jing Guo second level advanced treating passes through 2.2 device for transferring of sludge outlet.
The present invention use double-layer shell structure, outer layer using outer layer agitating shaft 4 drive latticed stirring blade 5 to sludge into
Row pretreatment, internal layer drive diamond shape stirring blade 7 to carry out advanced treating to sludge using internal layer agitating shaft 6.
Under the drive of outer layer agitating shaft 4, latticed stirring blade 5 is slowly rotated, and will be entered from wet mud entrance 1.1
Sludge be sufficiently stirred, complete level-one pretreatment.
Under the drive of internal layer agitating shaft 5, the diamond shape stirring blade 6 on internal layer agitating shaft 5 is rapidly rotated, will be from sludge
The sludge that entrance 2.1 enters quickly stirs, and completes second level advanced treating；It is first that part is wet at inducer when second level advanced treating
Sludge drying is pushed at interlude, the dewatered sludge of bulky grain is formed at interlude and to promotion at outlet section further by dry dirt
Mud is broken up, and part bulky grain dewatered sludge is pushed at inducer in the intersection of inducer and interlude and wet mud mixing makes
It must stir and desiccation effect is more preferable, it is further that the big scattered sludge at outlet section pushed back to interlude at interlude and outlet section
It breaks up.The diamond shape stirring blade at the place of inducer, interlude, outlet section and the angle of internal layer agitating shaft are 10-30 degree；Inducer
Intersection, the diamond shape stirring blade of interlude and outlet section intersection and the angle of internal layer agitating shaft with interlude are 35-45
Degree.So that the dynamics that inducer is pushed to interlude is greater than the dynamics that interlude is pushed to inducer, interlude is pushed away to outlet section
The dynamics sent is greater than the dynamics that outlet section is pushed to interlude.
Heat medium enters heating layer 3 from the heating medium inlet 3.1 of side, is then discharged from Crude product input 3.2
Heating layer 3 keeps heating layer 3 pre- for internal layer advanced treating layer and outer layer simultaneously by the way that heating layer 3 is arranged among double Shell
Process layer heating, avoids the waste of the energy, is more energy-saving and environmentally friendly.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (10)
1. the double-deck vortex sludge dehydrating and drying device, including outer barrel, it is set in outer barrel and concentric inner cylinder, structure
At inside and outside two layers of chamber, which is characterized in that offer wet mud import, separate wet mud at the top of inner cylinder at the top of outer barrel one end
Input end offers sludge import, and inner cylinder offers sludge outlet far from sludge input end；Inner cylinder body end at sludge outlet
Portion is concordant with outer barrel end, and inner cylinder the other end and outer barrel the other end are set among inside and outside two layers of chamber there are spacing
It is equipped with heating layer, outer layer agitating shaft is provided in outer layer chamber, if being provided with the latticed stirring blade of dry plate on outer layer agitating shaft,
Internal layer agitating shaft is provided in inner layer cavity room, if being provided with dry plate diamond shape stirring blade on internal layer agitating shaft, outer layer agitating shaft with
Internal layer agitating shaft is arranged in parallel, and outer layer agitating shaft and internal layer agitating shaft pass through motor driven.
2. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that the motor of internal layer agitating shaft
At sludge outlet end, the motor of outer layer agitating shaft is located at sludge input end, the rotation of internal layer agitating shaft and outer layer agitating shaft
Turn contrary, the rotation speed of outer layer agitating shaft is less than the rotation speed of internal layer agitating shaft.
3. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that heating layer is in being mounted on
Collet on cylinder constitutes heating chamber between collet and inner cylinder, collet one end offers heating medium inlet, and the other end opens up
There is Crude product input.
4. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that heating layer is along inner cylinder
The heating pipe that length direction is laid with, heating pipe one end offer heating medium inlet, and the other end offers heat medium and goes out
Mouthful.
5. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that outer layer agitating shaft includes master
Axis is connected to main shaft bottom and open-ended cylindrical sleeve, and latticed stirring blade is vertically set on outside cylindrical sleeve
Side wall, cylindrical sleeve are connected by dowel with main shaft；Cylindrical sleeve covers outside inner cylinder.
6. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that
Outer layer chamber negative pressure value is small, and internal layer chamber negative pressure value is big.
7. bilayer vortex sludge dehydrating and drying device according to claim 5, which is characterized in that the cylindrical sleeve side
Wall is equipped with several through-holes.
8. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that heat medium is water, oil
Or steam.
9. bilayer vortex sludge dehydrating and drying device according to claim 1, which is characterized in that on the internal layer agitating shaft
Diamond shape stirring blade between spacing from internal layer agitating shaft both ends to intermediate incremented by successively.
10. bilayer vortex sludge dehydrating and drying device according to claim 9, which is characterized in that the internal layer agitating shaft
From sludge import to sludge outlet it is divided into inducer, interlude and three sections of outlet section, the place of inducer, interlude, outlet section
Diamond shape stirring blade is tilted at sludge outlet, the water chestnut of the intersection of inducer and interlude, interlude and outlet section intersection
Shape stirring blade is tilted to sludge entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299151.4A CN109942169A (en) | 2019-04-15 | 2019-04-15 | The double-deck vortex sludge dehydrating and drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910299151.4A CN109942169A (en) | 2019-04-15 | 2019-04-15 | The double-deck vortex sludge dehydrating and drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109942169A true CN109942169A (en) | 2019-06-28 |
Family
ID=67015145
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910299151.4A Withdrawn CN109942169A (en) | 2019-04-15 | 2019-04-15 | The double-deck vortex sludge dehydrating and drying device |
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| Country | Link |
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| CN (1) | CN109942169A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110634A (en) * | 2020-10-09 | 2020-12-22 | 江苏澳洋生态园林股份有限公司 | Sludge pretreatment screw extruder |
| CN114410315A (en) * | 2022-01-28 | 2022-04-29 | 河南科技大学 | Retort of cylindrical combustion chamber |
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| JP2002081864A (en) * | 2000-07-03 | 2002-03-22 | Mitsubishi Kakoki Kaisha Ltd | Water-containing solid matter drying device and drying method employing the same |
| JP2004075928A (en) * | 2002-08-21 | 2004-03-11 | Fuji Carbon Kk | Equipment and process for manufacturing liquefied product of biomass material |
| KR100999357B1 (en) * | 2010-09-06 | 2010-12-09 | 변상철 | Mixing and coagulating apparatus for sludge in pipe line |
| CN103564629A (en) * | 2013-11-05 | 2014-02-12 | 牧羊有限公司 | Conditioner |
| CN107585995A (en) * | 2017-09-26 | 2018-01-16 | 南昌航空大学 | A kind of sludge superheated vapor dries heat and mass transfer enhancement apparatus and method |
| CN207197157U (en) * | 2017-07-24 | 2018-04-06 | 江苏南理范群装备科技股份有限公司 | A kind of spliced drying drum structure of powder drier |
| CN210150937U (en) * | 2019-04-15 | 2020-03-17 | 江苏新裕泰华环保集团有限公司 | Double-layer vortex sludge dewatering and drying device |
-
2019
- 2019-04-15 CN CN201910299151.4A patent/CN109942169A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081864A (en) * | 2000-07-03 | 2002-03-22 | Mitsubishi Kakoki Kaisha Ltd | Water-containing solid matter drying device and drying method employing the same |
| JP2004075928A (en) * | 2002-08-21 | 2004-03-11 | Fuji Carbon Kk | Equipment and process for manufacturing liquefied product of biomass material |
| KR100999357B1 (en) * | 2010-09-06 | 2010-12-09 | 변상철 | Mixing and coagulating apparatus for sludge in pipe line |
| CN103564629A (en) * | 2013-11-05 | 2014-02-12 | 牧羊有限公司 | Conditioner |
| CN207197157U (en) * | 2017-07-24 | 2018-04-06 | 江苏南理范群装备科技股份有限公司 | A kind of spliced drying drum structure of powder drier |
| CN107585995A (en) * | 2017-09-26 | 2018-01-16 | 南昌航空大学 | A kind of sludge superheated vapor dries heat and mass transfer enhancement apparatus and method |
| CN210150937U (en) * | 2019-04-15 | 2020-03-17 | 江苏新裕泰华环保集团有限公司 | Double-layer vortex sludge dewatering and drying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110634A (en) * | 2020-10-09 | 2020-12-22 | 江苏澳洋生态园林股份有限公司 | Sludge pretreatment screw extruder |
| CN114410315A (en) * | 2022-01-28 | 2022-04-29 | 河南科技大学 | Retort of cylindrical combustion chamber |
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Application publication date: 20190628 |
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