CN109052900A - A kind of floated sludge drier - Google Patents
A kind of floated sludge drier Download PDFInfo
- Publication number
- CN109052900A CN109052900A CN201810962801.4A CN201810962801A CN109052900A CN 109052900 A CN109052900 A CN 109052900A CN 201810962801 A CN201810962801 A CN 201810962801A CN 109052900 A CN109052900 A CN 109052900A
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- Prior art keywords
- crawler belt
- sludge
- drying cylinder
- air
- drying
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to environment-friendly engineering technologies and resource circulation utilization technical field.More particularly to a kind of floated sludge drier, including drying cylinder, the top of described drying cylinder one end is equipped with feed inlet, and the lower part of the other end is equipped with discharge port;The track conveyor arranged along drying cylinder length direction is equipped with inside the drying cylinder, the head and the tail both ends of the track conveyor are located at the underface of feed inlet and the underface of discharge port;The lower section of the track conveyor is equipped with wind pushing mechanism, is used for crawler belt blowing hot-air;Several ventholes are additionally provided at the top of the drying cylinder.The present invention has drying sludge abundant, and treating capacity is big, and operating cost is low, can be by the drying sludge of moisture content 80% or so to 50% hereinafter, being able to achieve the continuous drying operation of sludge.
Description
Technical field
The present invention relates to environment-friendly engineering technologies and resource circulation utilization technical field.Specifically, be related to municipal sludge,
Sludge solids of the water content such as the biogas residue of industrial sludge, cultivation sludge (waste) and biogas project greater than 60% carry out fast dewatering
A kind of floated sludge drier.
Background technique
In recent years, as the quickening and industrial and agricultural production of the increasingly serious and Urbanization Construction paces of environmental requirement are advised
Mould is promoted, the activated sludge of municipal sewage plant, the sludge (such as brewery sludge) of industrial production processing, farm biogas residue
And the yields such as excrement sludge increase year by year, these sludge moisture contents are up to 60-85%, and landfill waste soil, incinerating combustion value are low,
Processing is difficult.Only up to 60,000,000 tons or more of the annual whole nation of municipal sludge.It such as cannot quickly dispose, dissolve, it will cause secondary
How pollution preferably handles sludge and generates as puzzlement sewage treatment plant, sludge as garbage loading embeading place is gradually saturated
One problem of enterprise and local government.
Sludge is a kind of porous dielectric substance of high-moisture, and untreated moisture percentage in sewage sludge is up to 95% or more.Because of it
The processing method and disposal system that water content is high, volume is big, traditional are as follows: sludge → concentration → stabilization → dehydration, dewatered dirt
Agricultural, landfill or the processing method burned is usually taken in mud.In these types of processing system, agricultural returning to the field is contained due to thickened sludge
Water rate is high (generally 70% or so), causes transport difficult, freight volume it is big or because dewatered sludge mud cake difficulties in dispersion need by
Mechanical equipment supports field operation, and the technology is made to there is more difficulty in practical applications;If using landfill, since sludge contains
Water is high, and soil mechanical properties are poor, need to be mixed into a large amount of soil, are substantially reduced so as to cause soil capacity utilization;Dehydrated sludge cake
Directly burn also because its solid content is low, calorific value is poor, cannot reach needed for combustion process self-contained operation can value, need to be added auxiliary
Processing cost is significantly increased in fuel, it is difficult to bear;It is handled also using compost fermentation because moisture is excessively high, needs to add drying
Auxiliary material mixing so that its mix moisture is dropped to 50% hereinafter, just can be carried out compost fermentation, adding auxiliary material also causes processing cost inclined
It is high;The difficulty that the above-mentioned Treatment of Sludge of comprehensive analysis and disposal technology system are encountered in actual use, it is not difficult to find out that sludge
Moisture content height is key influence factor.Therefore, it is sludge reduction, money that sludge, which is dried, in the water content for reducing sludge
The premise in source (agricultural, burning etc.).
Currently, drying sludge technology and processing equipment are broadly divided into two types both at home and abroad: one is using closed
Directly-heated container is heated sludge using external heat source, so that moisture is evaporated and is reduced sludge water content, such as tray drier, case
Formula drying machine, fluid bed dryer etc..This equipment advantage is that drying is thorough, and sludge water content can be down to 3% hereinafter, convenient for burning
It burns, the disadvantage is that treatment effeciency is low, drying time is long, can not achieve continuous drying, and under low output, platform produces only 2 ton/hours;It is another
Kind is revolving roll drying equipment, and advantage is that treating capacity is big, can continuous production.But since sludge stickiness is big, with drying cylinder
Rotation and be rolled into walk, be hardly formed material curtain, moisture is difficult to scatter and disappear, and drying effect is poor, and the sludge high for moisture content is basic
It is unable to run.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of floated sludge drier, the present invention has
Drying sludge is abundant, and treating capacity is big, and operating cost is low, can be by the drying sludge of moisture content 80% or so to 50% hereinafter, can be real
The existing continuous drying operation of sludge.
To achieve the above object, the technical solution used in the present invention is:
A kind of floated sludge drier, it is characterised in that: including drying cylinder, the top of described drying cylinder one end be equipped with into
The lower part of material mouth, the other end is equipped with discharge port;The crawler belt conveying arranged along drying cylinder length direction is equipped with inside the drying cylinder
The head and the tail both ends of machine, the track conveyor are located at the underface of feed inlet and the underface of discharge port;The crawler belt is defeated
It send the lower section of machine to be equipped with wind pushing mechanism, is used for crawler belt blowing hot-air;Several ventholes are additionally provided at the top of the drying cylinder.
Preferably, the track conveyor includes driving wheel, driven wheel and crawler belt, the driving wheel and driven wheel are distinguished
It is arranged at drying cylinder both ends;The crawler belt matches connection with driving wheel and driven wheel, transports sludge for carrying;Under the crawler belt
Portion is equipped with several carrier wheels for being used to hold crawler belt.
Preferably, the crawler belt is flake type crawler belt.
Preferably, the drying cylinder be it is columnar structured, the track conveyor is located at the positive middle part of drying cylinder.
Preferably, the wind pushing mechanism includes several plenum chambers, several plenum chambers are respectively positioned on immediately below crawler belt, and
It arranges along track length direction;Each plenum chamber is cuboid-type structure, and length direction is arranged along crawler width direction, and
Upper opening;The end of the plenum chamber is equipped with air-quantity adjusting valve, and the air-quantity adjusting valve is connect with external hot air source.
Preferably, the wind pushing mechanism further includes heat source air-introduced machine and air supply tube, the air supply tube and heat source air-introduced machine
Connection, the heat source air-introduced machine are connect with hot air source;The air supply tube also connects with the air-quantity adjusting valve of all plenum chambers simultaneously
It connects.
Preferably, being additionally provided with upender in the drying cylinder, the upender is located above crawler belt, for stirring crawler belt
The sludge of top.
Preferably, the upender be it is multiple, uniformly along track length direction arrange;The upender include one from
Rotor, the cylinder outer wall are uniformly provided with several rake teeths, and the cylinder is fixed by the bracket in drying cylinder.
Preferably, the drying cylinder lower part is equipped with cartridge mount;The drying cylinder inclines to discharge port end at an angle
Tiltedly.
Preferably, the drying machine further includes waste gas cleaning mechanism, the waste gas cleaning mechanism includes cyclone dust collectors, washes
Wash tower and exhaust gas air-introduced machine;The entrance of the cyclone dust collectors is connected with discharge pipe, and outlet passes through exhaust gas air-introduced machine and scrubbing tower
Connection;The discharge pipe is also connect with all ventholes.
The invention has the benefit that
(1) present invention has drying sludge abundant, and treating capacity is big, and operating cost is low, can be by the dirt of moisture content 80% or so
Mud is dry to 50% hereinafter, platform production was able to achieve the continuous drying operation of sludge up to 50t/ hours.
(2) traditional rotary dryer takes up sludge in cylinder rotary course by the shovelling plate structure of inner barrel
It falls, to form material curtain, contacts hot-air flow with material curtain and achieve the purpose that drying sludge.Water content this kind of for sludge is big,
The sludge of stickiness weight, walk is often twisted into cylinder, cannot form material curtain, is difficult to be dried;The machine is straight due to using
Wire type flakey crawler belt, sludge are laid on material containing crawler belt from feed end according to certain thickness, and hot wind passes through sludge blanket from bottom,
Sludge horizontally advances on crawler belt, not will form walk.Simultaneously through rake upender during crawler belt advances, not to sludge
Break turn over harrowing and be crushed, so that sludge is heated repeatedly, uniform drying, drying efficiency is higher than above-mentioned conventional dryer, is able to achieve
Continuous drying operation.
(3) thermophore (hot wind) with the sludge flow direction of conventional dryer are divided into substantially: cocurrent and adverse current two ways.Cocurrent
Mode is flowed out in outlet section steam with sludge in the same direction, is led to sludge regelation steam after drying and is paid no attention to drying sludge effect
Think, influences production capacity;Reflux type is low in the sludge temperature of feed end, and thermophore humidity is very big, and moisture condensation is caused to exist
On sludge, so that sludge humidity is increased easy and mud, extend drying time, to also influence production capacity.Drying of the invention
Machine rotates through sludge blanket using center air inlet, central outlet air, hot wind, directly arranges from cylinder upper port after completing heat exchange
Out, avoid the condensation of steam and sludge, thus reach sludge be heated evenly, exchange thoroughly, steam be not easy to condense, drying efficiency
High purpose, while reducing the supply of thermophore, reduce energy consumption.
(4) present invention makes a big difference with mesh-belt type drier: mesh-belt type drier using meshy steel wire band, to
Dry sludge is placed on mesh belt, and entire mesh belt is dried in box-type container by hot wind.Its principle is similar, but this
Drying machine can only dry the low sludge of water content, and sludge must have certain type shape, and sectional area needs to be greater than net
The mesh of band, otherwise sludge is easy to fall from mesh, while requiring sludge quality light, can only no more than the load-bearing of mesh belt
For the dry lightweight object for having fixed shape, such as dixie cup, paper bowl, it is impossible to be used in the drying of industrial sludge.First is that sludge matter
Ground weight, mesh belt do not carry;Second is that sludge does not have type shape, it is easy to fall from mesh, operation cannot be dried.Of the invention
Drying machine using by many squamaceous single-unit Component compositions at crawler belt, every in fish scale-shaped to cover arrangement layer by layer (hot
Wind is rotated from scale), forward direction operation when sludge will not from gap blanking.This flake type crawler belt and mesh belt above-mentioned
Formula material containing has basic difference, has the advantages that bearing capacity is big, blanking, stickiness sludge is not nonclogging for powder sludge, especially
There is revolutionary breakthrough for the drying process of high moisture sluge.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
In figure: 1, drying cylinder, 2, feed inlet, 3, discharge port, 4, cartridge mount, 5, driving wheel, 6, driven wheel, 7, crawler belt,
8, carrier wheel, 9, plenum chamber, 10, heat source air-introduced machine, 11, air supply tube, 12, discharge pipe, 13, upender, 14, cyclone dust collectors,
15, scrubbing tower, 16, exhaust gas air-introduced machine, 17, venthole.
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing
Illustrate (as shown in Figure 1).
The top of a kind of floated sludge drier, including drying cylinder 1, described 1 one end of drying cylinder is equipped with feed inlet 2, separately
The lower part of one end is equipped with discharge port 3;The track conveyor arranged along 1 length direction of drying cylinder, institute are equipped with inside the drying cylinder 1
The head and the tail both ends for stating track conveyor are located at the underface of feed inlet 2 and the underface of discharge port 3;The track conveyor
Lower section be equipped with wind pushing mechanism, for crawler belt blowing hot-air;The top of the drying cylinder 1 is also (along its length uniformly) if be equipped with
Do stomata 17.
The track conveyor includes driving wheel 5, driven wheel 6 and crawler belt 7, and the driving wheel 5 and driven wheel 6 are respectively set
1 both ends of drying cylinder (driving wheel 5 is driven by motor);The crawler belt 7 matches connection with driving wheel 5 and driven wheel 6, is used for
Sludge is transported in carrying.7 lower part of crawler belt is equipped with several carrier wheels 8 for being used to hold crawler belt 7.The crawler belt 7 is flake type
Crawler belt.
The drying cylinder 1 be it is columnar structured, the track conveyor is located at positive middle part (the i.e. horizontal axis section of drying cylinder 1
Face).
The wind pushing mechanism includes several plenum chambers 9, and several plenum chambers 9 are respectively positioned on immediately below crawler belt 7, and along crawler belt
(uniform) arrangement of 7 length directions;Each plenum chamber 9 is cuboid-type structure, and length direction is arranged along 7 width direction of crawler belt,
And upper opening (face crawler belt 7);The end of the plenum chamber 9 be equipped with air-quantity adjusting valve, the air-quantity adjusting valve with
External hot air source (hot-air, flue gas etc.) connection.The wind pushing mechanism further includes heat source air-introduced machine 10 and air supply tube 11, described
Air supply tube 11 is connect with heat source air-introduced machine 10, and the heat source air-introduced machine 10 is connect with hot air source (hot-air, flue gas etc.);It is described
Air supply tube 11 is also connect with the air-quantity adjusting valve of all plenum chambers 9 simultaneously.The air-quantity adjusting valve is for adjusting each send
The air quantity of the air quantity of air compartment 9, general feed end is greater than discharge end.
Upender 13 is additionally provided in the drying cylinder 1, the upender 13 is located at 7 top of crawler belt, for stirring crawler belt 7
The sludge of side.The upender 13 be it is multiple, uniformly along 7 length direction of crawler belt arrange;The upender 13 includes a spin
Turn cylinder (i.e. cylinder passes through the realizations such as motor rotation), the cylinder outer wall is uniformly provided with several rake teeths (rake teeth end and crawler belt 7
Gap between upper surface is grade), the cylinder is fixed by the bracket in drying cylinder 1.
1 lower part of drying cylinder is equipped with cartridge mount 4;The drying cylinder 1 is tilted to 3 end of discharge port at an angle.
1 side of drying cylinder is additionally provided with access hole.
The drying machine further includes waste gas cleaning mechanism, and the waste gas cleaning mechanism includes cyclone dust collectors 14, scrubbing tower 15
With exhaust gas air-introduced machine 16;The entrance of the cyclone dust collectors 14 is connected with discharge pipe 12, and outlet passes through exhaust gas air-introduced machine 16 and washes
Wash the connection of tower 15;The discharge pipe 12 is also connect with all ventholes 17.
A kind of use process of floated sludge drier: (1) sludge is uniformly fallen on crawler belt 7 by feed inlet 2;(2)
Crawler belt 7 moves forward slowly, by sludge slowly be sent to discharge port 3;(3) thermal current in plenum chamber 9 passes through 7 scale of crawler belt
Between gap take away the steam in sludge;(4) while upender 13 ceaselessly be crushed to sludge and be stirred, and is accelerated steam and is steamed
Hair;(5) exhaust gas evaporated enters waste gas cleaning mechanism progress purified treatment by venthole 17.
Embodiment one
A kind of application of the above-mentioned floated sludge drier in municipal sludge drying process
Municipal sludge moisture content about 85%, the daily sludge output of one medium-sized sewage treatment plant are done with 200T (200m3) calculating
Sludge water content after dry reaches 35% or so, and in order to be further processed, then a kind of floated sludge drier relates generally to
Parameter is as follows:
Table one, 10cm heap thickness sludge water content scatter and disappear and 9 gas temperature of plenum chamber
Intake air temperature DEG C | Drying time (min) | Weight-loss ratio % |
300 | 30 | 51.9% |
200 | 30 | 35.83% |
100 | 30 | 19.1% |
300 DEG C are taken according to the moisture loss data intake air temperature of table one, sludge outlet moisture percentage in sewage sludge is 35%, and design is dry
For dry cylinder 1 having a size of diameter 2.4m, length 31m, 7 width of crawler belt is 2.2m, length 30m, sludge body thickness 0.1m, is dried per minute
Dry crawler belt is displaced 1m, then every 30 minutes drying sludge quantities are 0.1m × 2.2m × 30m=6.6m3, per hour drying amount be 6.6 ×
2=13.2m3, daily drying amount is 24 × 13.2=316.8m3, i.e., the sludge 316.8m of water content 85% can be handled daily3×
0.85=269 tons (sludge density of water content 85% is 0.85), the dewatered sludge of daily output water content 35% or so
316.8m3× 0.35=110.8 tons (sludge density of water content 35% is 0.35).A medium-sized sewage can substantially be met
The sludge treatment requirement for the treatment of plant, the sludge after drying can be used as gardening compost or burning etc., realizes sludge reduction, stabilization
Change, innoxious and recycling.
Embodiment two
A kind of application of the above-mentioned floated sludge drier in organic fertilizer fermentation production
Since organic fertilizer production needs to carry out sludge compost fermentation, and compost fermentation requires the moisture content of fermented sludge to exist
Between 45-50%, according to the moisture content of organic sludge and daily requirement, selection design can be carried out according to following parameters.
Table two, different water cut sludge and equipment operating parameter
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.
Claims (10)
1. a kind of floated sludge drier, it is characterised in that: including drying cylinder (1), the top of described drying cylinder (1) one end is set
Have feed inlet (2), the lower part of the other end is equipped with discharge port (3);It is equipped with inside the drying cylinder (1) along drying cylinder (1) length side
To the track conveyor of arrangement, the head and the tail both ends of the track conveyor are located at underface and the discharge port of feed inlet (2)
(3) underface;The lower section of the track conveyor is equipped with wind pushing mechanism, is used for crawler belt blowing hot-air;The drying cylinder (1)
Top is additionally provided with several ventholes (17).
2. a kind of floated sludge drier according to claim 1, it is characterised in that: the track conveyor includes master
Driving wheel (5), driven wheel (6) and crawler belt (7), the driving wheel (5) and driven wheel (6) are separately positioned on drying cylinder (1) both ends;Institute
It states crawler belt (7) and matches connection with driving wheel (5) and driven wheel (6), transport sludge for carrying;Crawler belt (7) lower part is equipped with
Several are used to hold the carrier wheel (8) of crawler belt (7).
3. a kind of floated sludge drier according to claim 2, it is characterised in that: the crawler belt (7) is flake type
Crawler belt.
4. a kind of floated sludge drier according to claim 1, it is characterised in that: the drying cylinder (1) is cylinder
Shape structure, the track conveyor are located at the positive middle part of drying cylinder (1).
5. a kind of floated sludge drier according to claim 1, it is characterised in that: the wind pushing mechanism includes several
Plenum chamber (9), several plenum chambers (9) are respectively positioned on immediately below crawler belt (7), and arrange along crawler belt (7) length direction;Each send
Air compartment (9) is cuboid-type structure, and length direction is arranged along crawler belt (7) width direction, and upper opening;The plenum chamber
(9) end is equipped with air-quantity adjusting valve, and the air-quantity adjusting valve is connect with external hot air source.
6. a kind of floated sludge drier according to claim 5, it is characterised in that: the wind pushing mechanism further includes heat
Source air-introduced machine (10) and air supply tube (11), the air supply tube (11) connect with heat source air-introduced machine (10), the heat source air-introduced machine
(10) it is connect with hot air source;The air supply tube (11) also connect with the air-quantity adjusting valve of all plenum chambers (9) simultaneously.
7. a kind of floated sludge drier according to claim 1, it is characterised in that: also set in the drying cylinder (1)
Have upender (13), the upender (13) is located above crawler belt (7), for stirring the sludge above crawler belt (7).
8. a kind of floated sludge drier according to claim 7, it is characterised in that: the upender (13) is more
It is a, uniformly arranged along crawler belt (7) length direction;The upender (13) includes a spinning cylinder, and the cylinder outer wall is equal
Even to be equipped with several rake teeths, the cylinder is fixed by the bracket in drying cylinder (1).
9. a kind of floated sludge drier according to claim 1, it is characterised in that: drying cylinder (1) lower part is set
There are cartridge mount (4);The drying cylinder (1) holds to discharge port (3) tilt at an angle.
10. a kind of floated sludge drier according to claim 1, it is characterised in that: the drying machine further includes exhaust gas
Purification mechanism, the waste gas cleaning mechanism include cyclone dust collectors (14), scrubbing tower (15) and exhaust gas air-introduced machine (16);The rotation
The entrance of wind deduster (14) is connected with discharge pipe (12), and outlet is connect by exhaust gas air-introduced machine (16) with scrubbing tower (15);Institute
Discharge pipe (12) is stated also to connect with all ventholes (17).
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CN201810962801.4A CN109052900A (en) | 2018-08-22 | 2018-08-22 | A kind of floated sludge drier |
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CN201810962801.4A CN109052900A (en) | 2018-08-22 | 2018-08-22 | A kind of floated sludge drier |
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CN109052900A true CN109052900A (en) | 2018-12-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109534640A (en) * | 2019-01-21 | 2019-03-29 | 江苏亿滔环保机械有限公司 | Belt type sludge desiccation ventilation system setups |
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CN203999309U (en) * | 2014-08-07 | 2014-12-10 | 洛阳佳一机电设备有限公司 | A kind of sludge turning is thrown drying installation |
CN204107152U (en) * | 2014-03-25 | 2015-01-21 | 丰宁满族自治县汇江矿山机械制造有限责任公司 | A kind of squash type dry tailings drainage device |
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JP2002253076A (en) * | 2001-02-28 | 2002-09-10 | Daiki:Kk | Granular excrement disposal material and method for producing the same |
CN203319835U (en) * | 2013-07-02 | 2013-12-04 | 四川高通环保科技股份有限公司 | Belt-type sludge drying device |
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CN109534640A (en) * | 2019-01-21 | 2019-03-29 | 江苏亿滔环保机械有限公司 | Belt type sludge desiccation ventilation system setups |
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