CN107555756A - Sludge drying system - Google Patents
Sludge drying system Download PDFInfo
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- CN107555756A CN107555756A CN201710929128.XA CN201710929128A CN107555756A CN 107555756 A CN107555756 A CN 107555756A CN 201710929128 A CN201710929128 A CN 201710929128A CN 107555756 A CN107555756 A CN 107555756A
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- air
- sludge
- condenser
- dust removal
- drying machine
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- 238000001035 drying Methods 0.000 title claims abstract description 108
- 239000010802 sludge Substances 0.000 title claims abstract description 98
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 16
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000002826 coolant Substances 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001599 direct drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses sludge drying system, including air heater, drying machine, dust removal filter, blower fan, condenser；Connect to form closed-cycle system by multistage connecting pipe between air heater, drying machine, dust removal filter, blower fan, condenser；Blower fan driving drives the air in closed-cycle system to form circulated air by air heater, drying machine, dust removal filter, blower fan and condenser successively；Air heater carries out heat exchange processing by the thermal medium being passed through to air；Drying machine sludge is dried processing by the air after heating；The damp-heat air of outflow of the dust removal filter to drying machine carries out dust removal and filtration processing；Condenser carries out condensation process.The system can be utilized and reuse heating agent, and then secondary heat transfer medium is heated, utilizes heat and the energy to the full extent.Heating is carried out to air by heating agent and forms circulated air, processing then is dried for the sludge in follow-up drying machine using circulated air.
Description
Technical field
The present invention relates to technical field of drying, more particularly to sludge drying system.
Background technology
It is well known that present drying sludge technology and main two class of equipment.
One kind is the direct drying equipment of sludge, i.e., by being passed through sludge to by the heat smoke with certain heat or hot-air
Drying machine, by directly being contacted with sludge, make steam raising after the moisture absorption heat in sludge, vapor enters heat
In flue gas or hot-air and drier is discharged, subsequently into smoke processing system, smoke processing system generally comprises dedusting, drop
The technique units such as temperature, deodorization, or heat smoke is directly passed through to incinerator again and carries out burning disposal, again by burning after burning
Finally discharged after the vent gas treatment of burning system.
Another kind of sludge drying device, then be contact drying equipment, and apparatus-form is typically pan dryer, or blade
Formula drier, the drying of such drying equipment is indirect heat transfer form, is circulation vapours or heat in disk or inside blade
Water.The heat that moisture is absorbed in heating agent by conducting heat in sludge, steam raising, the water vapour after evaporation are discharged drier, arrange
By gas handling system after going out, the technique units such as dedusting, cooling, deodorization are generally comprised, reach discharge standard requirement through processing
After be discharged into air.
But it is clear that the contact drying equipment of this quasi-tradition, however it remains the technological deficiency of some aspects：Such as：(1)
Absorb and contain substantial amounts of heat in the air of a large amount of water vapours, the heat does not reclaim, and causes the waste of energy；(2) discharge
The air containing certain humidity in often carry composition in dried material, cause air pollution, therefore needed before discharging
Carry out the purified treatment of air, therefore the construction of system and operating cost increase.
The content of the invention
It is an object of the invention to provide a kind of sludge drying system, to solve the above problems.
In order to achieve the above object, the technical proposal of the invention is realized in this way：
The invention provides a kind of sludge drying system, including it is air heater, drying machine, dust removal filter, blower fan, cold
Condenser；
Pass through between the air heater, the drying machine, the dust removal filter, the blower fan, the condenser
Multistage connecting pipe connects to form closed-cycle system；
The blower fan, which is used to drive, drives the air in the closed-cycle system successively by the air heater, institute
State drying machine, the dust removal filter, the blower fan and the condenser and form circulated air；
The thermal medium that the air heater is used to be passed through carries out heat exchange processing to air；The drying machine
Sludge is dried processing for the air after the heating by being passed through；The dust removal filter is used for the drying machine
The damp-heat air of outflow carries out dust removal and filtration processing；The condenser is used for the damp-heat air to surrounding by coolant media
Carry out condensation process.
Preferably, can embodiment as one kind；The air heater includes cold wind import, hot-blast outlet, heating agent and entered
Mouth, heating agent outlet, heater body and air flow conduit；The air flow conduit is used for ventilating air, and the air
The both ends of circulation duct are respectively communicated with the cold wind import and the hot-blast outlet；The Heating medium is used to be passed through heating agent；Institute
Heating agent is stated to export for discharging heating agent；The heating agent that the heater body is used to be passed through is in the air flow conduit
Air carries out heat exchange processing；
The thermal medium is conduction oil or water.
Preferably, can embodiment as one kind；The drying machine include hot wind inlet, hot-blast outlet, sludge inlet,
Dewatered sludge discharge port and drying machine body；The hot wind inlet is connected by the hot-blast outlet of connecting pipe and the air heater
Logical, the hot-blast outlet passes through connecting pipe and the inlet communication of the dust removal filter；The drying machine body is used to pass through
Drive sludge to be entered from sludge inlet inside the drying machine body, and discharged eventually through dewatered sludge discharge port, simultaneously
Sludge is dried processing.
Preferably, can embodiment as one kind；The import that the dust removal filter passes through connecting pipe and the blower fan
Connection；The damp-heat air that the dust removal filter is used to flow out the hot-blast outlet of the drying machine carries out dust removal and filtration processing.
Preferably, can embodiment as one kind；The condenser includes condenser hot wind inlet, cold wind outlet, cold water
Import, warm water outlet and condenser body, refrigerant delivery heat transfer device；The condenser hot wind inlet is used to be passed through damp and hot sky
Gas；The cold wind is exported for exporting condensed air；The refrigerant delivery heat transfer device is respectively communicated with cooling water inlet and temperature
Water out；The cooling water inlet is used to be passed through coolant media into condenser body；The warm water, which exports, to be used for the condensation
The intrinsic coolant media discharge of device；The condenser body is used for by the coolant media in the refrigerant delivery heat transfer device
Condensation process is carried out to the damp-heat air of surrounding；
The coolant media is water.
Preferably, can embodiment as one kind；The outlet of the blower fan passes through the cold of connecting pipe and the condenser
Condenser hot wind inlet connects；The condenser hot wind inlet of the condenser passes through connecting pipe and the cold wind of the air heater
Inlet communication.
Preferably, can embodiment as one kind；The sludge drying system also includes sludge preheating device；The sludge
Preheating device is used to heat the sludge before entering the drying machine in advance.
Preferably, can embodiment as one kind；The sludge preheating device is duct type heat exchanger.
Preferably, can embodiment as one kind；The air heater is finned tube exchanger or plate type heat exchanger.
Preferably, can embodiment as one kind；The blower fan is axial fan or centrifugal fan.
Compared with prior art, this have the advantage that：
A kind of sludge drying system provided by the invention, analyzes the main of sludge drying system provided in an embodiment of the present invention
Structure is understood：
Above-mentioned sludge drying system is mainly by air heater, drying machine, dust removal filter, blower fan and condenser and more
The structures such as section connecting pipe are formed；It is the air heater, the drying machine, the dust removal filter, the blower fan, described cold
Connect to form closed-cycle system by multistage connecting pipe between condenser；
The blower fan, which is used to drive, drives the air in the closed-cycle system successively by the air heater, institute
State drying machine, the dust removal filter, the blower fan and the condenser and form circulated air；The air heater is used to pass through
The thermal medium being passed through carries out heat exchange processing to air；Air after the heating that the drying machine is used to be passed through is to dirt
Processing is dried in mud；The damp-heat air that the dust removal filter is used for the outflow to the drying machine is carried out at dust removal and filtration
Reason；The condenser is used to carry out condensation process to the damp-heat air of surrounding by coolant media.
Wherein, mostly important structure is：The system architecture design of above-mentioned closed-cycle system and wherein specific every
The annexation of individual processing equipment and structure partial etc.；It will be apparent that traditional anhydration system is to utilize hot water or vapours
Deng progress heat conduction, such as：Pan dryer or Paddle dryer, such drying equipment carry out desiccation, Ran Houre to sludge
Matchmaker discharges, and so have lost most heat；Meanwhile often carry dried material in the air containing certain humidity of discharge
In composition, cause air pollution.
But sludge drying system provided by the invention, heating agent can be utilized, then secondary heat transfer medium is heated
Processing, utilizes heat and the energy to the full extent.In the processing procedure of air heater, air will be added by heating agent
Heat treatment forms circulated air, and processing then is dried for the sludge in follow-up drying machine using circulated air；Then successively pass through
Cross dust removal filter and carry out dust removal process；Dewater treatment is carried out by condenser, finally returns back to air heater recycling.
It will be apparent that a kind of sludge drying system provided by the invention, its heating agent can be with Reusability using heat pump or too
It is positive can circulating hot water, saved the energy, while its heating agent will not be discharged away reduces environmental pollution；In summary, this hair
The sludge drying system of bright offer, its sludge drying obvious processing effect, circulated air Reusability, avoid heat energy waste and
The pollution of environment.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the main frame schematic diagram of sludge drying system provided in an embodiment of the present invention；
Fig. 2 is the concrete configuration diagram of sludge drying system provided in an embodiment of the present invention；
Fig. 3 is the partial enlargement structural representation of the air heater in sludge drying system provided in an embodiment of the present invention
Figure；
Fig. 4 is the partial enlargement structural representation of the drying machine in sludge drying system provided in an embodiment of the present invention；
Fig. 5 is the partial enlargement structural representation of the condenser in sludge drying system provided in an embodiment of the present invention.
Label：
1- air heaters；101- cold wind imports；102- hot-blast outlets；103- Heating mediums；104- heating agents export；105-
Heater body；
2- drying machines；201- hot wind inlets；202- hot-blast outlets；203- sludge inlets；204- dewatered sludge discharge ports；
205- drying machine bodies；
3- dust removal filters；
4- blower fans；
5- condensers；501- condenser hot wind inlets；502- cold wind exports；503- cooling water inlets；504- warm water exports；
505- condenser bodies；506- refrigerant delivery heat transfer devices；
6- connecting pipes.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The present invention is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of sludge drying system provided in an embodiment of the present invention, including it is air heater 1, dry
Dry machine 2, dust removal filter 3, blower fan 4, condenser 5；
Between the air heater 1, the drying machine 2, the dust removal filter 3, the blower fan 4, the condenser 5
Closed-cycle system is formed by the connection of multistage connecting pipe 6；
The blower fan 4 be used to driving drive air in the closed-cycle system successively by the air heater 1,
The drying machine 2, the dust removal filter 3, the blower fan 4 and the condenser 5 form circulated air；
The thermal medium that the air heater 1 is used to be passed through carries out heat exchange processing to air；The drying
Air after the heating that machine 2 is used to be passed through sludge is dried processing；The dust removal filter 3 is used for the drying
The damp-heat air of the outflow of machine carries out dust removal and filtration processing；The condenser 5 is used for by coolant media to the described wet of surrounding
Hot-air carries out condensation process.
The primary structure for analyzing sludge drying system provided in an embodiment of the present invention is understood：Above-mentioned sludge drying system is main
It is made up of air heater 1, drying machine 2, dust removal filter 3, blower fan 4 and the structure such as condenser 5 and multistage connecting pipe 6；
Pass through multistage between the air heater 1, the drying machine 2, the dust removal filter 3, the blower fan 4, the condenser 5
The connection of connecting pipe 6 forms closed-cycle system；
The blower fan 4 be used to driving drive air in the closed-cycle system successively by the air heater 1,
The drying machine 2, the dust removal filter 3, the blower fan 4 and the condenser 5 form circulated air；
The thermal medium that the air heater 1 is used to be passed through carries out heat exchange processing to air；The drying
Air after the heating that machine 2 is used to be passed through sludge is dried processing；The dust removal filter 3 is used for the drying
The damp-heat air of the outflow of machine carries out dust removal and filtration processing；The condenser 5 is used for by coolant media to the described wet of surrounding
Hot-air carries out condensation process.
Sludge drying system provided in an embodiment of the present invention, it can utilize and reuse heating agent, then secondary heat transfer is situated between
Matter is heated, and utilizes heat and the energy to the full extent.In the processing procedure of air heater, heating agent pair will be passed through
Air carries out heating and forms circulated air, and processing then is dried for the sludge in follow-up drying machine using circulated air；
Then successively carry out dust removal process by dust removal filter；Dewater treatment is carried out by condenser, finally returns to and is heated by air
Device recycles.
It will be apparent that a kind of sludge drying system provided by the invention, its heating agent can save the energy, together with Reusability
When its heating agent will not be discharged away and reduce environmental pollution；In summary, sludge drying system provided by the invention, its sludge
Drying and other treatment significant effect, circulated air Reusability, avoid the waste of heat energy and the pollution of environment.
The concrete structure to sludge drying system provided in an embodiment of the present invention and particular technique effect are done below
Describe in detail：
Preferably, can embodiment as one kind；As shown in Figures 2 and 3, the air heater 1 includes cold wind import
101st, hot-blast outlet 102, Heating medium 103, heating agent outlet 104, heater body 105 and air flow conduit；The air
Circulation duct is used for ventilating air, and the both ends of the air flow conduit are respectively communicated with the cold wind import 101 and the heat
Wind outlet 102；The Heating medium 103 is used to be passed through heating agent；The heating agent is exported for discharging heating agent；The heater body
Heat exchange processing is carried out to the air in the air flow conduit for the heating agent by being passed through.The thermal medium is to lead
Deep fat or water.Thermal source can use heat pump or solar water.
Preferably, can embodiment as one kind；As shown in Figure 2 and Figure 4, the drying machine 2 include hot wind inlet 201,
Hot-blast outlet 202, sludge inlet 203, dewatered sludge discharge port 204 and drying machine body 205；The hot wind inlet 201 passes through
Connecting pipe connects with the hot-blast outlet 102 of the air heater 1, the hot-blast outlet 102 by connecting pipe with it is described
The inlet communication of dust removal filter 3；The drying machine body 205 is used for by driving sludge to be entered from sludge inlet 203
Inside the drying machine body 205, and discharged eventually through dewatered sludge discharge port 204, while sludge is dried processing.
Preferably, can embodiment as one kind；The dust removal filter 3 is entered by connecting pipe and the blower fan 4
Mouth connection；The damp-heat air that the dust removal filter 3 is used to flow out the hot-blast outlet of the drying machine is carried out at dust removal and filtration
Reason.
Preferably, can embodiment as one kind；As shown in Figure 2 and Figure 5, the condenser 5 enters including condenser hot blast
Mouth 501, cold wind outlet 502, cooling water inlet 503, warm water outlet 504 and condenser body 505, refrigerant delivery heat transfer device 506；
The condenser hot wind inlet 501 is used to be passed through damp-heat air；The cold wind outlet 502 is used to export condensed air；Institute
State refrigerant delivery heat transfer device 506 and be respectively communicated with cooling water inlet 503 and warm water outlet 504；The cooling water inlet 503 is used for cold
Coolant media is passed through in condenser body 505；The warm water outlet 504 is used for the coolant media in the condenser body 505
Discharge；The condenser body 505 is used for by the coolant media in the refrigerant delivery heat transfer device 506 to described in surrounding
Damp-heat air carries out condensation process.The coolant media is water.
Preferably, can embodiment as one kind；The outlet of the blower fan 4 passes through connecting pipe and the condenser 5
Condenser hot wind inlet 501 connects；The condenser hot wind inlet 501 of the condenser 5 is added by connecting pipe and the air
The cold wind import 101 of hot device 1 connects.
Preferably, can embodiment as one kind；The sludge drying system also includes sludge preheating device；The sludge
Preheating device is used to heat the sludge before entering the drying machine in advance.The sludge preheating device is pipeline
Formula heat exchanger.
It should be noted that contact of the hot-air with sludge is completed in drier, any type of drier is equal
Within the scope of the present invention.
Whether sludge does not change the essence of the present invention before drier is entered by heating, by pre-warmed dirt
The sensible heat obtained in warm can be absorbed during mud, wherein moisture evaporation；Without pre-warmed waste liquid, then moisture
Heat required for evaporation mostlys come from the heat in air.It is but then right in order to improve the possibility of condensation recovery Btu utilization
Sludge carries out preheating and is helpful.
Preferably, can embodiment as one kind；The air heater 1 is that finned tube exchanger or plate-sheet-type exchange heat
Device.
It should be noted that air heating is completed using heat exchanger, but the form with heat exchanger is unrelated, either
Finned tube exchanger, or plate type heat exchanger, or other any type of heat exchange belong to scope of the invention.It is same with this
When, the essence of condenser is also heat exchanger, the either any type of heat exchanger directly contacted or it is any type of indirectly
The heat exchanger of heat exchange is all originally belonging to the category of invention；
In order to preferably implement to strengthen heat exchange efficiency；Above-mentioned air flow conduit is arranged on inside heater body, simultaneously
It all employs the airpath design of uniqueness to air flow conduit, and air-flow is good by property, and windage is small, and service life is longer；
Such as：" W " shape design for extending stretching is employed, can so ensure the outer shape of air flow conduit to the full extent
The inside of heater body is filled up to greatest extent, and then increases heat exchange area to greatest extent, increases heat exchanger time, and
At utmost raising heat exchanging efficiency.So as to ensure more heating agents fully in the air flow conduit in heater body
The abundant heat exchange of air；The design heat exchanger effectiveness is higher, and energy consumption is relatively low；Simultaneously in order to which higher realization fully exchanges heat work
With above-mentioned air flow conduit can use high-quality heat-transfer matcrial, such as aluminum pipeline；Illustrate the aluminum material heat conduction
Performance is more preferable, and energy recovery efficiency is higher.
Preferably, can embodiment as one kind；The blower fan is axial fan or centrifugal fan.
It is unrelated with the form of blower fan it should be noted that the power resources of air circulation are in the driving of blower fan, either axle
Flow type fan, or centrifugal fan, or other any type of blower fans are within the scope of the present invention.
Sludge drying system provided in an embodiment of the present invention has the technical advantage of following aspect：
First, sludge drying system provided in an embodiment of the present invention, it is mainly by air heater, drying machine, dust removal and filtration
The structure divisions such as device, blower fan, condenser form, wherein, air heater, drying machine, dust removal filter, blower fan, condenser it
Between connect to form closed-cycle system by multistage connecting pipe；It will be apparent that above-mentioned each device part has special knot
Structure design, and between concrete structure device connect, be laid out etc. all have cleverly design；Therefore, it is provided in an embodiment of the present invention
Sludge drying system, its design is more reasonable, and system architecture is more novel, function is more perfect.
2nd, sludge drying system provided in an embodiment of the present invention, it can utilize and reuse heating agent, then to secondary heat transfer
Medium is heated, and utilizes heat and the energy to the full extent.In the processing procedure of air heater, heating agent will be passed through
Heating is carried out to air and forms circulated air, place then is dried for the sludge in follow-up drying machine using circulated air
Reason；Then successively carry out dust removal process by dust removal filter；Dewater treatment is carried out by condenser, finally returns to and adds by air
Hot device recycles.
3rd, sludge drying system provided by the invention, its heating agent can save the energy, while its heating agent with Reusability
Will not be discharged away reduces environmental pollution；Its sludge drying obvious processing effect simultaneously, circulated air Reusability, is avoided
The waste of heat energy and the pollution of environment.
Many significant technical advantages, sludge drying system provided by the invention, will bring good city based on more than
Field prospect and economic benefit.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of sludge drying system, it is characterised in that including air heater, drying machine, dust removal filter, blower fan, condensation
Device；
Pass through multistage between the air heater, the drying machine, the dust removal filter, the blower fan, the condenser
Connecting pipe connects to form closed-cycle system；
The blower fan, which is used to driving, drives air in the closed-cycle system successively by the air heater, described dry
Dry machine, the dust removal filter, the blower fan and the condenser form circulated air；
The thermal medium that the air heater is used to be passed through carries out heat exchange processing to air；The drying machine is used for
Processing sludge is dried by the air after the heating that is passed through；The dust removal filter is used for the outflow to the drying machine
Damp-heat air carry out dust removal and filtration processing；The condenser is used to carry out the damp-heat air of surrounding by coolant media
Condensation process.
2. sludge drying system as claimed in claim 1, it is characterised in that
The air heater includes cold wind import, hot-blast outlet, Heating medium, heating agent outlet, heater body and air stream
Thread a pipe；The air flow conduit is used for ventilating air, and the both ends of the air flow conduit are respectively communicated with the cold wind
Import and the hot-blast outlet；The Heating medium is used to be passed through heating agent；The heating agent is exported for discharging heating agent；The heating
The heating agent that device body is used to be passed through carries out heat exchange processing to the air in the air flow conduit；
The thermal medium is conduction oil or water.
3. sludge drying system as claimed in claim 2, it is characterised in that
The drying machine includes hot wind inlet, hot-blast outlet, sludge inlet, dewatered sludge discharge port and drying machine body；It is described
Hot wind inlet is connected by connecting pipe with the hot-blast outlet of the air heater, the hot-blast outlet by connecting pipe with
The inlet communication of the dust removal filter；The drying machine body is used for described by driving sludge to enter from sludge inlet
Inside drying machine body, and discharged eventually through dewatered sludge discharge port, while sludge is dried processing.
4. sludge drying system as claimed in claim 3, it is characterised in that
The dust removal filter passes through connecting pipe and the inlet communication of the blower fan；The dust removal filter is used for described dry
The damp-heat air of the hot-blast outlet outflow of dry machine carries out dust removal and filtration processing.
5. sludge drying system as claimed in claim 4, it is characterised in that
The condenser includes condenser hot wind inlet, cold wind outlet, cooling water inlet, warm water outlet and condenser body, refrigerant
Delivery heat transfer device；The condenser hot wind inlet is used to be passed through damp-heat air；The cold wind exports condensed for exporting
Air；The refrigerant delivery heat transfer device is respectively communicated with cooling water inlet and warm water outlet；The cooling water inlet is used for condenser
Coolant media is passed through in body；The warm water is exported for the intrinsic coolant media of the condenser to be discharged；The condensation
Device body is used to carry out at condensation the damp-heat air of surrounding by the coolant media in the refrigerant delivery heat transfer device
Reason；
The coolant media is water.
6. sludge drying system as claimed in claim 1, it is characterised in that
The outlet of the blower fan is connected by connecting pipe with the condenser hot wind inlet of the condenser；The condenser it is cold
Condenser hot wind inlet is connected by connecting pipe with the cold wind import of the air heater.
7. sludge drying system as claimed in claim 1, it is characterised in that
The sludge drying system also includes sludge preheating device；The sludge preheating device be used for enter the drying machine it
Preceding sludge is heated in advance.
8. sludge drying system as claimed in claim 7, it is characterised in that
The sludge preheating device is duct type heat exchanger.
9. sludge drying system as claimed in claim 1, it is characterised in that
The air heater is finned tube exchanger or plate type heat exchanger.
10. sludge drying system as claimed in claim 1, it is characterised in that
The blower fan is axial fan or centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929128.XA CN107555756A (en) | 2017-10-09 | 2017-10-09 | Sludge drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710929128.XA CN107555756A (en) | 2017-10-09 | 2017-10-09 | Sludge drying system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987814A (en) * | 2019-04-16 | 2019-07-09 | 广东技术师范大学 | A sludge drying system |
| CN110482828A (en) * | 2019-09-05 | 2019-11-22 | 广东申菱环境系统股份有限公司 | A kind of industry sludge drying system |
| CN112876016A (en) * | 2021-01-27 | 2021-06-01 | 东华工程科技股份有限公司 | Drying treatment system and method for high-viscosity sludge |
| CN113248105A (en) * | 2020-07-31 | 2021-08-13 | 杭州埃莫森环保科技有限公司 | Air circulation system of sludge treatment device |
| CN113929274A (en) * | 2020-07-13 | 2022-01-14 | 深圳市泽源能源股份有限公司 | Full-automatic zero-emission multistage sludge drying device and method and terminal equipment |
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| CN102603150A (en) * | 2011-10-26 | 2012-07-25 | 友达光电股份有限公司 | Closed air circulation sludge dryer |
| US20130305554A1 (en) * | 2011-01-21 | 2013-11-21 | Shanghai Fubo Environmental Equipment Co., Ltd. | Non-contact Sludge Drying System With Flue Gas Heat |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130305554A1 (en) * | 2011-01-21 | 2013-11-21 | Shanghai Fubo Environmental Equipment Co., Ltd. | Non-contact Sludge Drying System With Flue Gas Heat |
| CN102603150A (en) * | 2011-10-26 | 2012-07-25 | 友达光电股份有限公司 | Closed air circulation sludge dryer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987814A (en) * | 2019-04-16 | 2019-07-09 | 广东技术师范大学 | A sludge drying system |
| CN110482828A (en) * | 2019-09-05 | 2019-11-22 | 广东申菱环境系统股份有限公司 | A kind of industry sludge drying system |
| CN113929274A (en) * | 2020-07-13 | 2022-01-14 | 深圳市泽源能源股份有限公司 | Full-automatic zero-emission multistage sludge drying device and method and terminal equipment |
| CN113248105A (en) * | 2020-07-31 | 2021-08-13 | 杭州埃莫森环保科技有限公司 | Air circulation system of sludge treatment device |
| CN112876016A (en) * | 2021-01-27 | 2021-06-01 | 东华工程科技股份有限公司 | Drying treatment system and method for high-viscosity sludge |
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