CN107162379A - Disk sludge drying system based on cascaded utilization of energy - Google Patents
Disk sludge drying system based on cascaded utilization of energy Download PDFInfo
- Publication number
- CN107162379A CN107162379A CN201710590244.3A CN201710590244A CN107162379A CN 107162379 A CN107162379 A CN 107162379A CN 201710590244 A CN201710590244 A CN 201710590244A CN 107162379 A CN107162379 A CN 107162379A
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- China
- Prior art keywords
- sludge
- disk
- energy
- dome
- agitating shaft
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- 239000010802 sludge Substances 0.000 title claims abstract description 99
- 238000001035 drying Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000008676 import Effects 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 32
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 206010017389 Frotteurism Diseases 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method 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
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of disk sludge drying system based on cascaded utilization of energy, including disk anhydration system and press filtration anhydration system, the disk anhydration system includes housing, it is provided with to separate on agitating shaft, agitating shaft in housing and circular disc is installed, the top of housing is provided with sludge import, steam (vapor) outlet, bottom is exported provided with dewatered sludge, agitating shaft is driven by the stirring motor of one end, and agitating shaft is hollow-core construction, and its one end is vapours entrance and is plugged with condensed water delivery line；The press filtration anhydration system include press filteration system, be connected with the press filteration system enter mud system, pumped vacuum systems, hot water cyclesystem and sludge output system, it is described enter mud system and press filteration system mud inlet end connect, the mud outlet end connection of sludge output system and press filteration system, the pumped vacuum systems is used to keep to be connected with the steam (vapor) outlet of disk anhydration system for negative pressure state, the hot water cyclesystem during press filteration system press filtration sludge.
Description
Technical field
It is specially terraced based on energy the present invention relates to sludge treatment device field, more particularly to sludge drying technique field
The disk sludge drying system that level is utilized.
Background technology
A large amount of sludge can be produced after town domestic sewage processing, if these sludge can not obtain timely, effective and stably
Processing, will be the safety belt of urban area environment and people's lives come great hidden danger.In addition, papermaking, chemical industry, process hides, print
The industrial process such as dye and rivers and lakes dredging etc. can also produce substantial amounts of sludge.
The minimizing of sludge, innoxious have become the great environmental issue that must be solved during Scientific city development.
The sludge that sewage treatment plant produces moisture content after dehydration is still up to 80%, and volume, quality are larger, are unfavorable at subsequent treatment
Put.No matter final sludge is using which kind of processing disposal options, the reduction of sludge water content is all particularly significant.Mechanical dehydration treatment technology
The Free water in sludge can only be removed, as needed if need to further reducing the moisture content of sludge 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 progressively
Show, and produce greatly viscosity.The mode of heating of indirect heat transfer, the heat of heat-transfer working medium are used existing sludge drying machine more
Sludge is indirectly transferred to through hot wall.With the progress of desiccation, moisture percentage in sewage sludge reduction, volume reduces, and easily sticks to hot wall
Surface, is unfavorable for the uniform mixing of sludge and the renewal of evaporating surface.It will be crusted after Sludge Surface moisture evaporation, due to sludge shell
Heat transfer coefficient it is low, if sludge shell can not be broken, the efficiency that sludge outwards conducts heat in shell is also decreased, and causes desiccation machine
Complex heat transfer coefficient reduction.Meanwhile, moisture is significantly reduced by the speed of the outside mass transfer of sludge shell in sludge, causes sludge
Desiccation rate reduction, constrains the treating capacity of sludge drying machine.
Conventional indirect heat transfer oar blade type sludge drying machine, two or four stirring shafts are set according to treating capacity at present,
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.
At present, the R＆D personnel in this area, focus of attention is how to improve the desiccation effect and efficiency of sludge,
How the water content of desiccation after sludge to be reduced, in terms of reduction energy consumption.
Conventional disk desiccation machine, uses thermaltransmission mode, by wet sludge anhydration using steam (general 180 DEG C, 0.8Mp)
Afterwards, 90 DEG C of hot water are condensed into.90 DEG C of hot water can not be recycled, and cause the energy utilization rate of whole sludge drying system
It is low.
The content of the invention
Low and for disc type sludge drying device, the applicant's warp that there is energy utilization rate for existing sludge drying system
Long time study, it is to belong to high temperature (100-180 DEG C) in disk desiccation machine to find its fatal defects also existed, and high dirt is (dirty
Mud desiccation simultaneously rotates the dust for promoting and producing, and dewatered sludge dust is flammable) air ambient, and in Frotteurism, there is blast
Risk is larger；Also, in existing sludge drying device, the scraper plate of circular disc side face is fixed structure, it is impossible to for dust pressure
The change of travel direction, dust blowing is less efficient.Therefore, the present invention provide that a kind of energy utilization rate is high, security performance it is high based on
The disk sludge drying system of cascaded utilization of energy.
In order to solve the above problems, the present invention uses following scheme：
A kind of disk sludge drying system based on cascaded utilization of energy, including disk anhydration system and press filtration desiccation system
System, the disk anhydration system includes being provided with to separate on agitating shaft, agitating shaft in housing, housing being provided with circular disc, housing
Top be provided with sludge import, steam (vapor) outlet, bottom provided with dewatered sludge export, agitating shaft by one end stirring motor driving, stir
Axle is mixed for hollow-core construction, its one end is vapours entrance and is plugged with condensed water delivery line；The press filtration anhydration system includes pressure
Filter system, be connected with the press filteration system enter mud system, pumped vacuum systems, hot water cyclesystem and sludge output system, institute
The mud inlet end connection into mud system and press filteration system is stated, the mud outlet end connection of sludge output system and press filteration system is described to take out true
Empty set is united for keeping being negative pressure state, the hot water cyclesystem and the steaming of disk anhydration system during press filteration system press filtration sludge
Vapor outlet is connected；
The side face of the circular disc is provided with adjustable scraper plate component, and the adjustable scraper plate component includes being installed on disk
The annular seal space of piece side face, the rotatable scraper plate being installed on the annular seal space and being installed in the annular seal space is used to driving described
The drive component that rotatable scraper plate is rotated.
It is used as the further improvement of above-mentioned technical proposal：
The housing is including the installation agitating shaft and the semicircular cylinder coaxial with the agitating shaft and from the semicircular cylinder
The dome extended on the side, the cross section structure of the housing is：From the top of the dome to the center of the semicircular cylinder
Between spacing be 1-2 times of the semicircular cylinder radius；Axially spaced-apart of the top of the dome along agitating shaft is provided with many
Block upper spacer and lower clapboard, the upper end of the lower clapboard and the inner top surface of dome, which have, leads dirt gap.
The top of the upper spacer is connected by the support block of both sides with dome, and the lower end of the lower clapboard passes through both sides
Crossbeam is connected with dome.
The top of the upper spacer and the inner top surface of dome, which have, lets out dirt gap, and the height for letting out dirt gap, which is less than, leads dirt
The height in gap.
The height for letting out dirt gap is led between the 1/6 to 1/3 of dirt clearance height to be described.
Dust board is installed with close to the inner top surface of the dome for letting out dirt gap, the height of the dust board is more than institute
State the height for letting out dirt gap.
The dust board is located remotely from the side of sludge import.
Sludge import is provided with the top of the dome of one end of the housing, the semicircular cylinder bottom of the other end goes out provided with dewatered sludge
Mouthful, dewatered sludge outlet connection tilts upward the auger conveyor of setting.
The annular seal space has internal partition to be separated into inner chamber and exocoel, and the drive component includes being fixed in the inner chamber
Motor, be connected with the motor output shaft driving gear and the lead screw assembly, the driven gear that are installed in the exocoel, the silk
Thick stick component includes the screw mandrel being connected with the driven gear and the nut sleeve coordinated with the screw mandrel, and the nut sleeve is slidably installed
In the slide opening of supporting plate, the supporting plate is connected with the internal partition；The rotatable scraper plate is articulated with exocoel by hinge
In and rotational angle is limited by the gag lever posts of both sides；The rotatable scraper plate is provided with against groove simultaneously close to the one end side of hinge
It is connected by spring with supporting plate, the end of the nut sleeve is resisted against described against in groove.
Inwall in the housing close to the circular disc is provided with multiple pressure inductors, and control unit is according to the pressure
The signal of power inductor detection, controls the starting state of the motor.
The technical effects of the invention are that：
The present invention is by disk anhydration system and the ingenious combination of low temperature press filtration anhydration system, after disk anhydration system use
Vapor is recycled, and can greatly save sludge drying energy consumption, energy-conserving and environment-protective.In the disk anhydration system of the present invention, change
Traditional cylinder shell structure, sets up dome structure, and by the way of dividing plate dust-break, pressure release, can thoroughly avoid blast,
Improve security；Also, dividing plate passes through ingehious design, its dust-break effect is good, explosion-proof effect is good；Ingehious design of the present invention is put
Dynamic scraper plate, is flexibly used, dust, sludge pressure in timely adjustment housings, can carry out fixed point decompression, it is ensured that equipment operation peace
Entirely, sludge fltting speed is adjusted, the second half sludge interface is improved, increases heat exchange efficiency, while reducing the exposed office brought of disk
Portion's temperature too high (sludge can blaze up) and risk of explosion.
Brief description of the drawings
Fig. 1 is structure chart of the invention.
Fig. 2 is the structural representation of disk anhydration system in the present invention.
Fig. 3 is the end view drawing of housing in this disk anhydration system.
Fig. 4 is the structure chart of adjustable scraper plate component in the present invention.
Fig. 5 is a use state figure of adjustable scraper plate component in the present invention.
Fig. 6 is another use state figure of adjustable scraper plate component in the present invention.
In figure：100th, disk anhydration system；200th, press filtration anhydration system；201st, press filteration system；202nd, mud system is entered；203、
Pumped vacuum systems；204th, hot water cyclesystem；205th, sludge output system；1st, housing；10th, semicircular cylinder；11st, dome；12nd, on every
Plate；13rd, lower clapboard；14th, dirt gap is led；15th, support block；16th, crossbeam；17th, dirt gap is let out；18th, dust board；19th, helical feed
Device；24th, adjustable scraper plate component；241st, annular seal space；2411st, inner chamber；2412nd, exocoel；242nd, rotatable scraper plate；2421st, against
Groove；244th, internal partition；245th, motor；246th, driving gear；247th, driven gear；248th, screw mandrel；249th, nut sleeve；250th, support
Plate；251st, hinge；252nd, gag lever post；253rd, spring；2nd, agitating shaft；3rd, circular disc；4th, sludge import；5th, steam (vapor) outlet；6th, do
Sludge outlet；7th, stirring motor；8th, vapours entrance；9th, condensed water delivery line.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the disk sludge drying system based on cascaded utilization of energy of the present embodiment, including disk desiccation system
System 100 and press filtration anhydration system 200, disk anhydration system 100 include being provided with agitating shaft 2, agitating shaft 2 in housing 1, housing 1
On separate circular disc 3 be installed, the top of housing 1 is provided with sludge import 4, steam (vapor) outlet 5, and bottom is stirred provided with dewatered sludge outlet 6
Mix axle 2 to be driven by the stirring motor 7 of one end, agitating shaft 2 is hollow-core construction, its one end is vapours entrance 8 and is plugged with condensation
Water delivery line 9；Press filtration anhydration system 200 include press filteration system 201, be connected with press filteration system 201 enter mud system 202, take out very
Empty set system 203, hot water cyclesystem 204 and sludge output system 205, enter mud system 202 and the mud inlet end of press filteration system 201 connects
Connect, sludge output system 205 is connected with the mud outlet end of press filteration system 201, pumped vacuum systems 203 is used to keep press filteration system 201
It is negative pressure state during press filtration sludge, hot water cyclesystem 204 is connected with the steam (vapor) outlet 5 of disk anhydration system.
In the present invention, because press filtration anhydration system 200 is using press filtration mode is vacuumized to sludge progress press filtration desiccation, take out true
After sky, the boiling point reduction of the water in sludge, therefore the hot water for only needing to 90 DEG C or so is inputted to press filteration system 201；And disk
Anhydration system 100 is carried out after desiccation to sludge, and the temperature of the steam exported from steam (vapor) outlet 5 is lucky at 90 DEG C or so, therefore can be straight
Connect for press filtration anhydration system 200.The present invention is recycled to the vapor after the use of disk anhydration system 100, can be significantly
Save sludge drying energy consumption, energy-conserving and environment-protective.
As shown in figure 4, the side face of circular disc is provided with adjustable scraper plate component 24, adjustable scraper plate component 24 includes installing
Annular seal space 241 in the side face of circular disc 3, the rotatable scraper plate 242 being installed on annular seal space 241 and it is installed in annular seal space 241
For the drive component for driving rotatable scraper plate 242 to rotate.Annular seal space 241 has internal partition 244 to be separated into inner chamber 2411 and exocoel
2412, motor 245 that drive component includes being fixed in inner chamber 2411, it is connected with the output shaft of motor 245 and driving gear 246 and pacifies
Loaded on the lead screw assembly in exocoel, driven gear 247, lead screw assembly include the screw mandrel 248 being connected with driven gear 247 and with silk
The nut sleeve 249 that bar 248 coordinates, nut sleeve 249 is slidably mounted in the slide opening of supporting plate 250, supporting plate 250 and internal partition
244 are connected；Scraper plate 242 is articulated with exocoel 2412 by hinge 251 and limits rotational angle by the gag lever post 252 of both sides；
Scraper plate 242 is provided with against groove 2421 and is connected by spring 253 with supporting plate 250, nut sleeve close to the one end side of hinge 251
249 end is resisted against against in groove 2421.
The use state of rotatable scraper plate 242 is as shown in Fig. 4 to Fig. 5 in adjustable scraper plate component 24, and Fig. 4 is rotatably to scrape
The non-swing state figure of plate 242.When needing to swing rotatable scraper plate 242, start motor 245, the master that motor 245 passes through engagement
Moving gear 246 and driven gear 247 drive screw mandrel 248 to rotate, and the drive nut of screw mandrel 248 set 249 is forward extended out, and is scraped so as to promote
Plate 242 is rotated around hinge 251, is realized and is swung, and the state after swing is as shown in Figure 5；When motor 245 is inverted, by spring
253, the backswing of scraper plate 242, swing state is as shown in Figure 6.
Further, as further preferred scheme, the inwall close to circular disc 3 is provided with multiple pressure within the case 1
Inductor (not shown), the signal detected by control unit according to pressure inductor, the starting state of controlled motor 245.Such as,
When pressure sensor detects pressure larger (dust pressure) herein, control unit be individually enabled herein scrape board motor
245, drive scraper plate to swing, so as to adjust dust blowing direction, dust pressure is reduced in time.
As shown in Figure 2 and Figure 3, housing 1 includes installing agitating shaft 2 and the semicircular cylinder 10 coaxial with agitating shaft 2 and from semicircular cylinder
10 domes 11 that upwardly extend of upside, the cross section structure of housing 1 is：From the top of dome 11 to the center of semicircular cylinder 10 it
Between spacing be 1-2 times of the radius of semicircular cylinder 10；Axially spaced-apart of the top of dome 11 along agitating shaft 2 be provided with polylith every
Plate 12 and lower clapboard 13, the upper end of lower clapboard 13 has with the inner top surface of dome 11 leads dirt gap 14.
In the present invention, using at the top of original cylinder-shaped desiccation machine housing, increase set dome 11 and set on every
Plate 12 and lower clapboard 13, it is therefore intended that：Due to it has been found that existing disk desiccation machine work when, simplified interior high-temperature high dust
Environment, easily there is the risk exploded, once blast consequence it is hardly imaginable；The results showed, when reducing the air pressure in housing,
Have no effect on the desiccation effect of sludge；Because dust is usually the top that concentrates on housing, therefore generally, flour dust on top density
Larger, the friction level between dust, between dust and air is larger, causes that temperature is high, pressure is larger.Present invention increase dome
11, on the one hand increase the space for case top of knowing clearly so that the dusty space increase that top is concentrated, dropped by the way of dilatation
Pressure, effect is obvious；On the other hand, by setting the upper spacer 12 and lower clapboard 13 of height so that dust is between adjacent separator
It is oriented to, is deposited in after baffle surface, declines along dividing plate, so that the friction level between reducing dust.
Further, the top of upper spacer 12 is connected by the support block 15 of both sides with dome 11, the lower end of lower clapboard 13
It is connected by the crossbeam 16 and dome 11 of both sides.The top of upper spacer 12 has with the inner top surface of dome 11 lets out dirt gap 17, institute
The height for letting out dirt gap 17 is stated less than the height for leading dirt gap 14.Applicant cleverly has found in R＆D process, works as upper spacer
12 with the top surface of dome 11 formation closed state when, due to be deposited in the dust granule between upper spacer 12 and the top surface of dome 11 compared with
Many, particularly corner is more intensive, and on the one hand dust is easily adhered to form block here, and on the other hand its friction level is still
Larger, temperature is higher, still there is hidden peril of explosion.Therefore, applicant further study show that, only need to be by upper spacer 12 and dome
Between 11 top surface from a distance, formed and let out dirt gap 17, above mentioned problem can be fully solved by letting out dirt gap 17, utilize dust
Circulation, plays local antihypertensive effect.It can not influence dust-break effect while decompression, therefore the height for letting out dirt gap 17 is less than and led between dirt
Gap 14, preferably, let out the height in dirt gap 17 for it is described lead dirt clearance height 1/6 to 1/3 between when, its effect is good, such as
Can be 1/5,1/4 etc..
Further, in order to be arranged in dust from letting out after dirt gap 17 passes through, it is introduced directly into rear vacancy, therefore close
The inner top surface of the dome 11 for letting out dirt gap 17 is installed with dust board 18, and the height of dust board 18 is more than described let out between dirt
The height of gap 17.Under the stop of dust board 18, it is ensured that the dust collision dust board 18 after pressure release, glided along plate surface；By
Enter in sludge from one end of housing 1, other end export, therefore the dust board 18 is located remotely from the side of sludge import 4.
As shown in Figure 1 and Figure 2, the cross section structure of housing 1 is：Between from the top of dome 11 to the center of semicircular cylinder 10
Spacing H is 1-2 times of the radius R of semicircular cylinder 10.Height to dome 11 is limited, if dome is too low, effect of easing stress is not good,
The dust-break effect of dividing plate also declines therewith；If dome is too high, equipment cost, and sludge import 4 and circular disc 3 can be substantially improved
The distance between it is too big, when sludge enters housing 1, the impulsive force to circular disc 3 is big, and rounding disc 3 deforms, wear and tear greatly so that
The short cycle is needed to change, its maintenance cost is high.Testing surface, when from the top of dome 11 between the center of semicircular cylinder 10
During away from 1.5 times that H is the radius R of semicircular cylinder 10, while preventing blast, it is to avoid cost increase.
As shown in figure 1, the section of dome 11 is semicircle, its radius is equal with the section radius of semicircular cylinder 10.Housing 1
Section is in kidney-shaped symmetrical structure, and its service life is longer, and manufacture craft is simpler, and cost is lower.
In the present invention, as shown in figure 1, the top of dome 11 of one end of housing 1 is provided with sludge import 4, the semicircle of the other end
10 bottoms of cylinder tilt upward the auger conveyor 19 of setting provided with dewatered sludge outlet 6, the connection of dewatered sludge outlet 6.Tilt upward
The ingenious part of auger conveyor 19 is, is avoided that the sludge airborne dust directly exported from the dewatered sludge outlet 6 of the bottom of housing 1,
And the output flow of auger conveyor 19 can be utilized.
Embodiment provided above is the better embodiment of the present invention, only illustrates the present invention for convenient, not to this hair
It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and
Without departing from the technical characteristic content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of disk sludge drying system based on cascaded utilization of energy, it is characterised in that：Including disk anhydration system (100)
And press filtration anhydration system (200), the disk anhydration system (100) includes housing (1), and housing is provided with agitating shaft in (1)
(2), separated on agitating shaft (2) and circular disc (3) be installed, the top of housing (1) is provided with sludge import (4), steam (vapor) outlet (5),
Bottom is driven provided with dewatered sludge outlet (6), agitating shaft (2) by the stirring motor (7) of one end, and agitating shaft (2) is hollow-core construction, its
One end is vapours entrance (8) and is plugged with condensed water delivery line (9)；The press filtration anhydration system (200) includes press filteration system
(201) what is, be connected with the press filteration system (201) enters mud system (202), pumped vacuum systems (203), hot water cyclesystem
(204) and sludge output system (205), it is described enter mud system (202) be connected with the mud inlet end of press filteration system (201), sludge is defeated
The mud outlet end for going out system (205) with press filteration system (201) is connected, and the pumped vacuum systems (203) is used to keep press filteration system
(201) during press filtration sludge it is negative pressure state, the hot water cyclesystem (204) and the steam (vapor) outlet (5) of disk anhydration system connect
Connect；
The side face of the circular disc (3) is provided with adjustable scraper plate component (24), and the adjustable scraper plate component (24) includes peace
Annular seal space (241) loaded on circular disc (3) side face, the rotatable scraper plate (242) being installed on the annular seal space (241) and installation
It is used for the drive component for driving the rotatable scraper plate (242) to rotate in the annular seal space (241).
2. the disk sludge drying system according to claim 1 based on cascaded utilization of energy, it is characterised in that：The shell
Body (1) includes installing the agitating shaft (2) and the semicircular cylinder (10) coaxial with the agitating shaft (2) and from the semicircular cylinder (10)
The dome (11) that upside is upwardly extended, the cross section structure of the housing (1) is：From the top of the dome (11) to described
Spacing between the center of semicircular cylinder (10) is 1-2 times of the semicircular cylinder (10) radius；The top of the dome (11) along
The axially spaced-apart of agitating shaft (2) is provided with polylith upper spacer (12) and lower clapboard (13), the upper end of the lower clapboard (13) and vault
The inner top surface on top (11), which has, leads dirt gap (14).
3. the disk sludge drying system according to claim 2 based on cascaded utilization of energy, it is characterised in that：On described
The top of dividing plate (12) is connected by the support block (15) of both sides with dome (11), and the lower end of the lower clapboard (13) passes through both sides
Crossbeam (16) and dome (11) be connected.
4. the disk sludge drying system according to claim 2 based on cascaded utilization of energy, it is characterised in that：On described
The top of dividing plate (12) has with the inner top surface of dome (11) lets out dirt gap (17), and the height for letting out dirt gap (17), which is less than, to be led
The height in dirt gap (14).
5. the disk sludge drying system according to claim 4 based on cascaded utilization of energy, it is characterised in that：It is described to let out
The height in dirt gap (17) is led between the 1/6 to 1/3 of dirt gap (14) height to be described.
6. the disk sludge drying system according to claim 4 based on cascaded utilization of energy, it is characterised in that：Close to institute
The inner top surface for stating the dome (11) for letting out dirt gap (17) is installed with dust board (18), and the height of the dust board (18) is more than
The height for letting out dirt gap (17).
7. the disk sludge drying system according to claim 6 based on cascaded utilization of energy, it is characterised in that：The gear
Dirt plate (18) is located remotely from the side of sludge import (4).
8. the disk sludge drying system according to claim 2 based on cascaded utilization of energy, it is characterised in that：The shell
Sludge import (4) is provided with the top of the dome (11) of one end of body (1), semicircular cylinder (10) bottom of the other end is exported provided with dewatered sludge
(6), dewatered sludge outlet (6) connection tilts upward the auger conveyor (19) of setting.
9. the disk sludge drying system according to claim 1 based on cascaded utilization of energy, it is characterised in that：It is described close
Envelope chamber (241) has internal partition (244) to be separated into inner chamber (2411) and exocoel (2412), and the drive component is described including being fixed on
Motor (245) in inner chamber (2411), being connected with the motor (245) output shaft driving gear (246) and is installed on described outer
Lead screw assembly, driven gear (247) in chamber, the lead screw assembly include the screw mandrel being connected with the driven gear (247)
(248) nut sleeve (249) and with the screw mandrel (248) coordinated, the nut sleeve (249) is slidably mounted on supporting plate (250)
Slide opening in, the supporting plate (250) and the internal partition (244) are connected；The rotatable scraper plate (242) passes through hinge
(251) it is articulated with exocoel (2412) and rotational angle is limited by the gag lever post (252) of both sides；The rotatable scraper plate
(242) one end side close to hinge (251) is provided with against groove (2421) and is connected by spring (253) with supporting plate (250),
The end of the nut sleeve (249) is resisted against described against in groove (2421).
10. the disk sludge drying system according to claim 9 based on cascaded utilization of energy, it is characterised in that：It is described
Inwall in housing (1) close to the circular disc (3) is provided with multiple pressure inductors, and control unit is according to the pressure sensitive
The signal of device detection, controls the starting state of the motor (245).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590244.3A CN107162379A (en) | 2017-07-18 | 2017-07-18 | Disk sludge drying system based on cascaded utilization of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590244.3A CN107162379A (en) | 2017-07-18 | 2017-07-18 | Disk sludge drying system based on cascaded utilization of energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107162379A true CN107162379A (en) | 2017-09-15 |
Family
ID=59817226
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590244.3A Pending CN107162379A (en) | 2017-07-18 | 2017-07-18 | Disk sludge drying system based on cascaded utilization of energy |
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| Country | Link |
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| CN (1) | CN107162379A (en) |
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| CN111320354A (en) * | 2020-04-03 | 2020-06-23 | 南昌航空大学 | Tower type disc scraper superheated steam sludge drying system |
| CN111434631A (en) * | 2019-01-11 | 2020-07-21 | 湖南鼎诚合力环保科技发展有限公司 | Surplus sludge drying processing treatment device |
| CN112225269A (en) * | 2020-10-12 | 2021-01-15 | 福建省搜果智能科技有限公司 | Waste water treatment purifier for automobile production |
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| CN111320354B (en) * | 2020-04-03 | 2024-10-22 | 南昌航空大学 | Tower type disc scraper superheated steam sludge drying system |
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