CN106277714B - A kind of sludge drying system of high thermal driving force - Google Patents
A kind of sludge drying system of high thermal driving force Download PDFInfo
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- CN106277714B CN106277714B CN201610671525.7A CN201610671525A CN106277714B CN 106277714 B CN106277714 B CN 106277714B CN 201610671525 A CN201610671525 A CN 201610671525A CN 106277714 B CN106277714 B CN 106277714B
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- 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
- C02F11/16—Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- 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
-
- 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
- B01D53/002—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 condensation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention proposes a kind of sludge drying system of high thermal driving force.The present invention, using sludge by microwave radiation, promotes the mutual frictional impact of sludge internal water molecule and generates heat, do not restricted by heat transfer, inside and outside homogeneous heating on the basis of fluidized drying, is conducive to make sludge internal water molecule under thermal driving force effect to external diffusion；Granular sludge and fluidization are realized using mud injection siccative back-mixing granulating technique, the grain structure of kernel substantially dry, extexine package sludge slurry is formed, is conducive to the thorough desiccation of sludge；Technology is kept using moisture backflow layer humidity, avoids mud granule surface layer too fast dry and hard and excessive adverse effect is generated to internal moisture thermal diffusion.
Description
Technical field
The present invention relates to technical field of sludge treatment more particularly to a kind of sludge drying systems of high thermal driving force.
Background technique
Sludge is a kind of important pollution output object formed in industrial and agricultural production and urban life, in water supply source
The Industrial Wastewater Treatments such as purification, sanitary sewage emission treatment, papermaking, printing and dyeing, training of channel excavation and drainage dredging etc. are movable
In can all generate sludge.Contain a large amount of harmful microorganisms, heavy metal and organic pollutant in sludge, if do not located properly
It sets, serious negative effect can be brought to natural environment and people's health.
Sludge incineration is that the inflammable substance in sludge is made to generate burning at high temperature, its oxygenolysis is enabled, to reach
Sludge capacity is reduced, harmful microorganism is killed, remove toxicity and makes full use of the purpose of the energy.Sludge incineration is at present in state
It is outer sludge volume to be made to minimize using relatively broad and mature sludge high temperature processing technique, and there is processing speed
Fastly, place limits less, reduces transport stacking cost, the advantage of the secondary use energy.Sludge incineration technology China in recent years
Significant progress is obtained.
Sludge incineration include the collection of sludge raw material, mechanical dehydration, sludge drying, burning, incineration flue gas processing, burn after give up
The links such as material processing, heat recovery and utilization.Sludge drying is required processing step in sludge incineration.Sludge raw material passes through machine
Moisture content after tool dehydration remains at 80% or so, burns to realize, it is necessary to further will by drying and other treatment
Its moisture content is reduced to 40%-50% or so.
Currently, realizing that the mainstream technology means of sludge drying are realized in such a way that heat-conducting medium carries out heat exchange with sludge
It is heating and drying.According to the mode that heat-conducting medium is contacted with sludge, it is divided into direct desiccation, indirectly drying and mixing desiccation.Directly
Connecing desiccation is the surface that sludge is flowed through using air or hot fume as gaseous state heat-conducting medium, by directly contacting generation thermal convection,
To sludge transfer heat, is absorbed by the flowing of medium and carry away the moisture of Sludge Surface；The gaseous states heat-conducting medium such as hot-air
Application is recycled after heat recovery, harmless treatment and moisture removal.In indirectly drying, the fluids such as conduction oil heat-conducting medium is not
It is directly contacted with sludge generation, but by flowing through the internal heat exchangers such as diversion pipe, it delivers heat to outside heat exchanger
Sludge, promote sludge water content to evaporate.Mixing desiccation is then to apply two kinds of means of direct desiccation and indirectly drying to sludge simultaneously,
With gaseous medium and fluid heat-conducting medium collective effect in sludge, accelerate the efficiency of moisture removal in sludge.
Fluidized bed sludge drying machine is mixing desiccation type equipment relatively advanced at present.Fluidized bed sludge drying machine includes:
Sludge importation, fluidizing drying bed, gas cyclic part, discharging portion and vent gas treatment part.In fluidizing drying bed,
Sludge is granulated and in fluidised form, and inert recyclegas enters fluidizing drying bed and constantly flows through bottom-uply from bottom
Sludge takes away the moisture of sludge；There is heat exchanger, conduction oil or hot steam flow through heat as heat-conducting medium in fluidizing drying bed
In exchanger, heat is transmitted to the sludge being in contact with it outside heat exchanger, promotes moisture evaporation；The pumping at fluidizing drying bed top
Gas equipment will carry sludge particulate and evaporate the recyclegas extraction of steam；Extracted recyclegas carries out point of sludge particulate
It is again introduced into fluidizing drying bed inside from, cooling condensation, demisting desiccation, after gas compensation, starts the circulation of a new round；Graininess
Sludge is conveyed out after abundant desiccation sizing.
Mud drying process is chiefly to facilitate the process that moisture evaporates in sludge.The working mechanism of fluidized drying is: flowing
Change it is dry during, the evaporation and recyclegas flowing that the moisture of Sludge Surface layer heat in heat-conducting medium promote work
Under, it is transferred within recyclegas from Sludge Surface rapidly；Moisture inside sludge is then dynamic by picking caused by heating
Power is gradually diffused into superficial layer.The flowing of recyclegas quickly carries away water vapour, very effective to Sludge Surface layer desiccation,
However, it is demonstrated experimentally that after the moisture content of Sludge Surface layer sufficiently reduces, begin to hardened there is a phenomenon where solidifying, gives
Conduction of the sludge internal moisture to surface causes to hinder, so that desiccation effect is greatly affected.Therefore, it is necessary to a kind of promotions
The effective way of thermal driving force, guarantee sludge internal moisture desiccation during fluidized drying.
Summary of the invention
In view of above-mentioned problem above existing in the prior art, the present invention proposes a kind of sludge drying system of high thermal driving force
System.The present invention is on the basis of fluidized drying, using sludge by microwave radiation, promote the mutual frictional impact of sludge internal water molecule and
Fever, is not restricted, inside and outside homogeneous heating by heat transfer, is conducive to keep sludge internal water molecule outside under thermal driving force effect
Diffusion；Granular sludge and fluidization are realized using mud injection siccative back-mixing granulating technique, form kernel substantially dry, appearance
The grain structure of layer package sludge slurry, is conducive to the thorough desiccation of sludge；Technology is kept using moisture backflow layer humidity, is avoided
Mud granule surface layer is too fast dry and hard and generates excessive adverse effect to internal moisture thermal diffusion.
The present invention provides a kind of sludge drying systems of high thermal driving force characterized by comprising fluidizing drying bed,
Sludge importation, combustion furnace, oil supply system, circulating fan, cyclone separator, condenser, demister, vent gas treatment part with
And discharging portion；Wherein, the sludge slurry after mechanical preliminary hydro-extraction is pumped by sludge importation along screw feeder channel
Enter fluidizing drying bed, fluidizing drying bed interior granulated, heated and moisture removal at this；Conduction oil as heat-conducting medium passes through
After stove heating of burning, the heat-exchange tube in fluidizing drying bed is input to by oil supply system, provides heat to be heating and drying, then again
Circulating reflux is to oil supply system；Recyclegas is sent into fluidizing drying bed by circulating fan, flows through in fluidizing drying bed and is added
The mud granule gap of heat carries the vapor diffused out from the superficial layer of mud granule, arranges from fluidizing drying bed top
Out；Discharged recyclegas enters the separation that cyclone separator realizes dust particle and recyclegas, subsequently into condenser
The condensation for realizing the vapor wherein carried enters back into the drop in demister removing recyclegas, is formed again cooling and dry
Dry recyclegas, then by recyclegas regulating device carry out gas componant adjusting, return circulating fan start it is next
The circulation of wheel；It is transported out by the mud granule of desiccation by discharging portion fluidizing drying bed；Sludge overflow tail gas then by
Vent gas treatment part is handled；
Wherein, the fluidizing drying bed body structure with confined space, and include: air inlet, bellows, dispensing
Plate, heat-exchange tube, loading plate, feeding inlet, mud jet blower, microwave radiometer, gas suction hood, gas outlet, solidifying dropper and
Discharge port；Air inlet is located at the bottom end of fluidized drying bed box body, for inputting inertia, drying and low temperature from circulating fan to bellows
Recyclegas；The fixed dispensing plate in the tops of bellows has been uniformly distributed a large amount of gas port on the dispensing plate, make recyclegas from
Each gas port flows upwards out；Several heat-exchange tubes are arranged parallel to each other above the dispensing plate, and wherein at least one
Divide heat-exchange tube directly to contact and support loading plate, heat is directly conducted to loading plate；Before the feeding inlet is located at cabinet
Section top, feeding inlet lower section have the mud jet blower for spraying mud；The leading portion of loading plate is waveform plate, and wave is convex
Inhibition at rising promotes mud granule to backflow in the leading portion of loading plate；The middle section of loading plate and back segment are surface plate；
There is microwave radiometer on the fluidizing drying bed cabinet middle section roof of sludge；Gas suction hood is on the roof in cabinet middle section, is led to
It crosses draught head and is drawn up recyclegas, recyclegas carries vapor and dust particle and enters outlet through gas suction hood
Mouthful；And cyclone separator, condenser and demister are expelled to through gas outlet.
Preferably, the heat-exchange tube multilayer is arranged above the dispensing plate, and the heat exchange of top layer
Pipe is higher than the heat-exchange tube of following each layer for directly contacting and supporting loading plate, the distribution density of top layer's heat-exchange tube.
Preferably, the loading plate has the stomata passed through from bottom to top for recyclegas.
Preferably, the mud jet blower connects external high-pressure pump, in the pressure of the high pressure gas inputted from air pump
Under effect, mud is ejected downwards from mud jet blower high speed.
Preferably, more solidifying droppers are installed below the gas suction hood, coagulate the steam coolant liquid that circulates in dropper, promotes
The high-temperature vapor carried in recyclegas part due to contacting solidifying dropper is cooling to be condensed and drips downwards, to the table of mud granule
Layer is infiltrated.
Preferably, distribution of net is installed below the solidifying dropper, the water droplet to drip from solidifying dropper soaks the grid of distribution of net
Then line drips downwards from grid lines.
As it can be seen that the present invention in order to promote the thermal driving force for making sludge internal layer desiccation in fluidization treatment, uses number of ways,
It include: that microwave irradiation directly heats effect to particle internal moisture；Molding of backflowing during mud granulizing promotes moisture content height
Wet mud concentrate on surface layer in particle, and inside particle formed desiccation kernel；Condensed water vapour-liquid in sludge drying drips leaching
Profit, limitedly delays superficial layer dry and hard, alleviates internal moisture and picks dynamic inhibition.The present invention can guarantee through at fluidized bed
The abundant desiccation of sludge internal moisture after reason.
Figure of description
Fig. 1 is the sludge drying system configuration diagram of the high thermal driving force of the preferred embodiment of the present invention；
Fig. 2 is the fluidizing drying bed structural schematic diagram of sludge of the preferred embodiment of the present invention.
Specific embodiment
Below by embodiment, technical solution of the present invention is described in further detail.
Fig. 1 is the sludge drying system configuration diagram of the high thermal driving force of the preferred embodiment of the present invention.It can be with by the Fig. 1
See, centered on fluidizing drying bed 1, the sludge slurry of moisture content 80% or so is by sludge input unit after mechanical preliminary hydro-extraction
Points 2 are pumped into fluidizing drying bed 1 along screw feeder channel, fluidizing drying bed interior granulated, are heated and moisture is de- at this
It removes；Conduction oil as heat-conducting medium is burnt after stove heating, is input to the heat exchange in fluidizing drying bed 1 by oil supply system 3
Pipe provides heat to be heating and drying, is then recirculated back to and flow to oil supply system 3；Recyclegas is sent into fluidisation by circulating fan 4 and is done
Dry bed 1, flows through the mud granule gap being heated in fluidizing drying bed 1, and carrying is diffused out from the superficial layer of mud granule
The vapor come is discharged from fluidizing drying bed 1 top；Discharged recyclegas enters cyclone separator 5 and realizes that dust is micro-
The condensation of the vapor wherein carried is realized in the separation of grain and recyclegas subsequently into condenser 6, and it is de- to enter back into demister 7
Except the drop in recyclegas, cooling and dry recyclegas is formed again, gas is then carried out by recyclegas regulating device 8
The adjusting of body ingredient compensates inert gas, returns the circulation that circulating fan 4 starts next round；Fluidizing drying bed 1 through overdrying
The mud granule of change is transported out by discharging portion；The tail gas that sludge overflows in whole process is then given by vent gas treatment part 9
Processing.
Fig. 2 is the fluidizing drying bed structural schematic diagram of sludge of the preferred embodiment of the present invention.Fluidizing drying bed 1, which is one, has
The body structure of confined space, specifically includes: air inlet 1001, bellows 1002, dispensing plate 1003, heat-exchange tube 1004, carrying
Plate 1005, mud jet blower 1007, microwave radiometer 1008, gas suction hood 1009, gas outlet 1010, coagulates at feeding inlet 1006
Dropper 1011 and discharge port 1012.
Wherein, two or more air inlets 1001 are located at the bottom end of fluidizing drying bed 1 cabinet, are used for from circulated air
Machine 4 inputs the recyclegas of inertia, drying and low temperature to bellows 1002；The fixed dispensing plate 1003 in the top of bellows 1002, this point
It send and has been uniformly distributed a large amount of gas port on plate 1003, thus flow upwards out recyclegas from each gas port, it is appropriate and equal
It is oriented to fluidizing drying bed 1 box house evenly.
Several heat-exchange tubes 1004 of heat exchanger are arranged parallel to each other in the top of the dispensing plate 1003, preferably
The heat-exchange tube 1004 of multilayer arrangement can be set in ground；Recyclegas is flowed up between heat-exchange tube 1004, while by
The heating of heat-exchange tube 1004 and temperature increases.The heat-exchange tube 1004 of top layer directly contacts and supports loading plate 1005,
Heat is directly conducted to loading plate 1005；Wherein it is preferred to be, the distribution density positioned at the heat-exchange tube 1004 of top layer is high
In the heat-exchange tube 1004 of following several layers, to ensure that the effect to the direct conduction heating of loading plate 1005.Loading plate
The upper surface of 1005 supports the mud granule in fluidised form.Recyclegas is penetrated from the stomata of loading plate 1005, into sludge
The gap of grain, thus by transmitting heat to the surface layer for flowing to mud granule, and promote mud granule surface moisture with vapor
Form be diffused into recyclegas and be carried away.
After being dehydrated through preliminary mechanical, moisture content 80% or so sludge slurry by be located at cabinet leading portion at the top of feeding inlet
1006 enter fluidizing drying bed 1.As it was noted above, sludge slurry can in screw feeder channel screw rod stirring conveying under into
Enter feeding inlet 1006, to keep diluting, there is good mobility.The lower section of feeding inlet 1006 is mud jet blower 1007,
Mud jet blower 1007 connects external high-pressure pump, under the pressure action of the high pressure gas inputted from air pump, by mud from mud
1007 high speed of slurry jet blower ejects downwards, and mud forms fine particles by the further cutting and crushing of gas in course of injection,
The upper surface of loading plate 1005 in cabinet is fallen in downwards.
As shown in Fig. 2, loading plate 1005 is in leading portion and non-tablet, but wavy plate.Due to the resistance of wave high spot
Hinder effect, quickly completes preliminary desiccation into cabinet leading portion and under the heating convection action of heat-exchange tube 1004 and recyclegas
Fluidised form mud granule cannot flow to middle section and the back segment of fluidisation bed box body rapidly, but the wave high spot in leading portion returns
Stream, until these particle packings can just cross the wave high spot to a certain extent and continue to flow to fluidisation bed box body middle section and
Back segment.During backflowing, the mud granule of desiccation covers its surface by the slurry particles sprayed from mud jet blower 1007 again,
To form the mud granule structure of desiccation kernel surface layer package wet mud slurry, dynamic effect is picked for enhancing, reaches the thorough of sludge
Bottom desiccation creates good granulation basis；Sludge returning is formed by within 5 millimeters, there is good fluidity.
The mud granule for flowing through the wavy leading portion of loading plate 1005 enters middle section and the back segment of fluidisation bed box body, wherein section
Continue the heating by heat-exchange tube 1004 with back segment and continue to generate surface convection current with recyclegas, promotes surface layer in particle
Moisture pick it is dynamic under be diffused into surface layer and then desiccation.Meanwhile the microwave radiometer on the roof of fluidizing drying bed 1 cabinet middle section
1008 transmitting microwaves, irradiate mud granule；Microwave heating is to promote the mutual collision friction of hydrone in particle and produce
Heat amount, therefore obstruction is not restricted by the desiccation of mud granule surface layer, also have to the moisture that its inside is especially middle surface layer bright
Aobvious heat effect, thus in can promoting surface moisture by thermal diffusion.
Gas suction hood 1009 is on the roof in fluidisation bed box body middle section, is drawn up recyclegas by draught head,
Recyclegas carries vapor and dust particle and enters gas outlet 1010 through gas suction hood 1009, then through 1010 row of gas outlet
The cabinet of fluidized bed out, it is subsequent that dust particle separation, vapor condensation are carried out by cyclone separator 5, condenser 6 and demister 7
With demisting processing.
Serious to hinder internal moisture diffusion in order to avoid mud granule surface layer is dry and hard too early, the present invention is solidifying using vapor
Knot, reflux and drop profit mud granule, keep the technology of the shallow layer humidity of particle.More are installed below gas suction hood 1009 to coagulate
Dropper 1011 coagulates the steam coolant liquid that circulates in dropper 1011, flows into cold water；The a large amount of high-temperature vapors carried in recyclegas by
During flowing up to suction, part is cooling due to contacting solidifying dropper 1011 condenses in formation water droplet above, part water droplet
It drips downwards under the effect of gravity, contacts the surface layer of mud granule and surface layer is infiltrated, thus inhibit mud granule table
The desiccation speed of layer, being especially wherein surface moisture in this course, inside sludge can take off picking dynamic lower further diffusion
It removes, to be conducive to the thorough desiccation inside and outside sludge.In order to which condensing water droplet drippage is more uniform, pacify below the solidifying dropper
Fill distribution of net, the water droplet dripped from solidifying dropper is fallen in the distribution of net, and soak the grid lines of distribution of net, then from grid lines to
Lower drippage.
After being aspirated by the microwave irradiation in cabinet middle section, infiltration, heating, convection current and recyclegas, mud granule
Back segment is further flowed into, continue the heating by heat-exchange tube 1004 in back segment and continues to generate surface pair with recyclegas
Stream mainly realizes the thorough desiccation and removing of particle surface moisture at this time.
As it can be seen that the present invention in order to promote the thermal driving force for making sludge internal layer desiccation in fluidization treatment, uses number of ways,
It include: that microwave irradiation directly heats effect to particle internal moisture；Molding of backflowing during mud granulizing promotes moisture content height
Wet mud concentrate on surface layer in particle, and inside particle formed desiccation kernel；Condensed water vapour-liquid in sludge drying drips leaching
Profit, limitedly delays superficial layer dry and hard, alleviates internal moisture and picks dynamic inhibition.The present invention can guarantee through at fluidized bed
The abundant desiccation of sludge internal moisture after reason.
Above embodiments are merely to illustrate the present invention, and not limitation of the present invention, the common skill in relation to technical field
Art personnel can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all etc.
Same technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (4)
1. a kind of sludge drying system of high thermal driving force characterized by comprising fluidizing drying bed, sludge importation, combustion
Burn furnace, oil supply system, circulating fan, cyclone separator, condenser, demister, vent gas treatment part and discharging portion；Its
In, the sludge slurry after mechanical preliminary hydro-extraction be pumped by sludge importation along screw feeder channel it is fluidizing drying bed,
It fluidizing drying bed interior granulated, heated and moisture removal at this；Conduction oil as heat-conducting medium is burnt after stove heating,
Heat-exchange tube in fluidizing drying bed is input to by oil supply system, heat is provided to be heating and drying, is then recirculated back to and flow to confession
Oil system；Recyclegas is sent into fluidizing drying bed by circulating fan, and the mud granule being heated is flowed through in fluidizing drying bed
Gap carries the vapor diffused out from the superficial layer of mud granule, is discharged from fluidizing drying bed top；It is discharged to follow
Ring gas enters the separation that cyclone separator realizes dust particle and recyclegas, wherein carries subsequently into condenser realization
The condensation of vapor enters back into the drop in demister removing recyclegas, forms cooling and dry recyclegas again, so
The adjusting for being carried out gas componant by recyclegas regulating device afterwards, returns the circulation that circulating fan starts next round；It is fluidizing
Mud granule of the drying bed Jing Guo desiccation is transported out by discharging portion；The tail gas that sludge overflows then is given by vent gas treatment part
Processing；
Wherein, it is described it is fluidizing drying bed be the body structure with confined space, and include: air inlet, bellows, dispensing plate,
Heat-exchange tube, loading plate, feeding inlet, mud jet blower, microwave radiometer, gas suction hood, gas outlet, solidifying dropper and discharging
Mouthful；Air inlet is located at the bottom end of fluidized drying bed box body, for following from circulating fan to bellows input inertia, drying and low temperature
Ring gas；The fixed dispensing plate in the tops of bellows has been uniformly distributed a large amount of gas port on the dispensing plate, makes recyclegas from each
Gas port flows upwards out；Several heat-exchange tubes are arranged parallel to each other above the dispensing plate, wherein at least a part heat
Exchange pipe directly contacts and supports loading plate, and heat is directly conducted to loading plate；The feeding inlet is located at cabinet leading portion top
Portion, feeding inlet lower section have the mud jet blower for spraying mud；The leading portion of loading plate is waveform plate, wave high spot
Inhibition promote mud granule to backflow in the leading portion of loading plate；The middle section of loading plate and back segment are surface plate；It is described
Loading plate has the stomata passed through from bottom to top for recyclegas；There is microwave spoke on the fluidizing drying bed cabinet middle section roof of sludge
Emitter；Gas suction hood is on the roof in cabinet middle section, is drawn up recyclegas by draught head, recyclegas carries
Vapor and dust particle enter gas outlet through gas suction hood；And cyclone separator, condenser are expelled to through gas outlet and is removed
Day with fog；More solidifying droppers are installed below the gas suction hood, the steam coolant liquid that circulates in dropper is coagulated, promotes to take in recyclegas
The high-temperature vapor of band part due to contacting solidifying dropper is cooling to be condensed and drips downwards, is infiltrated to the surface layer of mud granule.
2. the sludge drying system of high thermal driving force according to claim 1, which is characterized in that the heat-exchange tube multilayer
It is arranged above the dispensing plate, and the heat-exchange tube of top layer is for directly contacting and supporting loading plate, it is most upper
The distribution density of layer heat-exchange tube is higher than the heat-exchange tube of following each layer.
3. the sludge drying system of high thermal driving force according to claim 1, which is characterized in that the mud jet blower connects
External high-pressure pump is connect, it is under the pressure action of the high pressure gas inputted from air pump, mud is downward from mud jet blower high speed
It ejects.
4. the sludge drying system of high thermal driving force according to claim 1, which is characterized in that peace below the solidifying dropper
Distribution of net is filled, the water droplet to drip from solidifying dropper soaks the grid lines of distribution of net, then drips downwards from grid lines.
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| CN110451767A (en) * | 2019-08-23 | 2019-11-15 | 安阳艾尔旺新能源环境有限公司 | Sludge drying system |
| CN114368897B (en) * | 2022-01-05 | 2023-01-10 | 天津滨港电镀企业管理有限公司 | High-driving-force sludge drying device for electroplating park |
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| KR100773426B1 (en) * | 2006-12-05 | 2007-11-05 | 한국에너지기술연구원 | Fluidized bed drying equipment combind hot air and microwave |
| CN103115478A (en) * | 2013-02-17 | 2013-05-22 | 中国神华能源股份有限公司 | Drying equipment |
| CN104006631A (en) * | 2014-06-13 | 2014-08-27 | 济宁学院 | Microwave multistage fluidized bed drying device and drying method thereof |
| CN104034127A (en) * | 2014-06-19 | 2014-09-10 | 中国烟草总公司郑州烟草研究院 | Microwave-hot air combined fluidized bed drying experiment device |
| CN104677054A (en) * | 2015-02-11 | 2015-06-03 | 沈阳师范大学 | Inverted microwave low-temperature fluidized bed drying equipment |
| CN105060678A (en) * | 2015-07-28 | 2015-11-18 | 华南理工大学 | Microwave fluidized bed type sludge drying device |
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| CN106277714A (en) | 2017-01-04 |
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Denomination of invention: A High Heat Driven Sludge Drying System Effective date of registration: 20230526 Granted publication date: 20191126 Pledgee: Zhejiang Qingtian Rural Commercial Bank Co.,Ltd. Youzhu Branch Pledgor: GREEN WATER CO.,LTD. Registration number: Y2023980041810 |