CN109824241A - A kind of non-back-mixing formula multi-layer discs drying system of low temperature - Google Patents
A kind of non-back-mixing formula multi-layer discs drying system of low temperature Download PDFInfo
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- CN109824241A CN109824241A CN201910217382.6A CN201910217382A CN109824241A CN 109824241 A CN109824241 A CN 109824241A CN 201910217382 A CN201910217382 A CN 201910217382A CN 109824241 A CN109824241 A CN 109824241A
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- low temperature
- scraper
- drying system
- layer discs
- mixing formula
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- 238000001035 drying Methods 0.000 title claims abstract description 61
- 238000002156 mixing Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 109
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 21
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 238000010669 acid-base reaction Methods 0.000 claims abstract description 6
- 230000000505 pernicious effect Effects 0.000 claims abstract description 6
- 238000013519 translation Methods 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 42
- 238000012546 transfer Methods 0.000 claims description 26
- 238000007790 scraping Methods 0.000 claims description 22
- 230000007306 turnover Effects 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 241001417527 Pempheridae Species 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 29
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 238000006297 dehydration reaction Methods 0.000 description 4
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- 239000002689 soil Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
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- 238000004064 recycling Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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Abstract
The invention discloses a kind of non-back-mixing formula multi-layer discs drying systems of low temperature, it is related to the technical field of drying equipment, aim to solve the problem that the excessively high problem of the moisture content of sludge after handling, its key points of the technical solution are that: a kind of non-back-mixing formula multi-layer discs drying system of low temperature, including, drying system, for carrying out desiccation to material by non-back-mixing formula multi-layer discs drying machine；Vacuum condensing system, to guarantee that drying system evaporates material, and guarantee surface of material hygroscopic water vapor partial pressure higher than the hygroscopic water vapor partial pressure of exterior space at low temperature；Tail portion stench processing system, to carry out acid-base reaction and oxidation reaction to incondensable gas in vacuum condensing system, to be discharged after eliminating pernicious gas.A kind of non-back-mixing formula multi-layer discs drying system of low temperature of the invention handles and reduces the moisture content of sludge after processing with low energy consumption.
Description
Technical field
The present invention relates to the technical fields of drying equipment, more particularly, to a kind of dry system of the non-back-mixing formula multi-layer discs of low temperature
System.
Background technique
National successively issue in recent years " ten, gas " " ten, water " and new Water Pollution Prevention Law specify dirt
Mud has to pass through processing, disposition, is up to state standards and register request.Expect the year two thousand twenty generate every year about 60,000,000 tons it is aqueous
The sludge of rate 80%, " ten, water " require ground level and the above city to carry out innoxious and recycling treatment, and the year two thousand twenty bottom handling rate reaches
To 90% or more, unprecedented challenge and opportunity to develop are brought to sludge disposal technology and industry development.With China's sludge
Yield increases, and how to select advanced and applicable innovative technology technique, implement " ten, water " Policy Conditions, meet it is innoxious, subtract
Quantization stabilizes, the technical requirements of the processing of recycling, disposition, avoids the secondary pollution of environment, becomes in environmental improvement urgently
It solves the problems, such as.
Sludge is a kind of heterogeneous body being made of organic debris, bacterial body, inorganic particle and colloid etc., it is difficult to pass through
Sedimentation is thoroughly separated by solid-liquid separation.The sludge that sewage treatment generates is typical organic sludge, and characteristic is organic content height
(60%-80%), particle is thin (0.02-0.2mm), and density is small (1002-1003Kg/m3), is in colloform texture, is a kind of hydrophily
Sludge is easy pipeline, but dewatering is poor.With the reduction of sludge water content, sludge flow to viscous, modeling from pure liquid
This process is changed until pure solid-like for character, half-dried solid-like.Usually concentration can drop to moisture content (saturation state)
85% hereinafter, moisture content is in 70%-75%, and sludge is in soft condition, is not easy to flow.Under general dehydration, moisture content is only dropped to
60%-65% almost becomes solid at this time.When moisture content is as low as 35%-40%, at poly- bulk state (being semi-oriented state above),
It is further then powdered as low as 10%-15%.
The traditional processing disposal options of sludge: 1, agricultural: thickened sludge: moisture content is too high (generally 92%~96%), makes
It is big at transport difficult, freight volume；Dehydrated sludge cake: difficulties in dispersion need to support field operation by mechanical equipment, make the technology in reality
There are more difficulties in the application of border.2, fill: dehydrated sludge cake moisture content is higher (generally 70%~85%), soil mechanical properties
Difference need to be mixed into a large amount of soil, be substantially reduced so as to cause the volumetric efficiency in soil.3, directly burn: dehydrated sludge cake is direct
It burns, the spontaneous combustion for being unable to maintenance process because its solid content is low carries out, and auxiliary fuel need to be added, obviously increase processing cost, difficult
To bear.4, building materials processed: dewatered sludge building materials incorporation is small, and heat consumption is high, uneconomical.
The difficulty that the above-mentioned Treatment of Sludge of comprehensive analysis, disposal technology system are encountered in practical applications, it is not difficult to find out that passing
The moisture content of the processing mode sludge of system is excessively high.Therefore, reducing moisture percentage in sewage sludge is to solve to encounter in Treatment of Sludge at present to ask
The key of topic.
Summary of the invention
It is dry in view of the deficiencies of the prior art, the present invention intends to provide a kind of non-back-mixing formula multi-layer discs of low temperature
Drying system, the moisture content of sludge after being handled with reduction.
Foregoing invention purpose of the invention has the technical scheme that
A kind of non-back-mixing formula multi-layer discs drying system of low temperature, including, drying system, for dry by non-back-mixing formula multi-layer discs
Dry machine carries out desiccation to material；Vacuum condensing system, to guarantee that drying system evaporates material, and guarantee material at low temperature
Surface hygroscopic water vapor partial pressure is higher than the hygroscopic water vapor partial pressure of exterior space；Tail portion stench processing system, to vacuum condensation system
Incondensable gas carries out acid-base reaction and oxidation reaction in system, to be discharged after eliminating pernicious gas.
By using above-mentioned technical proposal, on the one hand, the drying system of setting can pass through the multi-layer discs of non-back-mixing formula
Drying machine carries out desiccation to wet stock, so that desiccation operation can be directly carried out when carrying out desiccation to wet stock, without returning
Mixed method (when carrying out desiccation to wet stock dry material need to be added be added in drying machine jointly carry out desiccation), being saved in this way while also
The loss of thermal energy and electric energy, and using multi-layer discs drying machines due on heating disk it is material bed it is relatively thin, developed area is big,
Space circulation is good, hygroscopic water vapor partial pressure is small, therefore makes it have the advantage that heat transfer efficiency is high, rate of drying is big；On the other hand,
It is also connected with vacuum condensing system after drying system, ensure that drying system evaporates material at low temperature, and guarantee material
Surface hygroscopic water vapor partial pressure is higher than the hygroscopic water vapor partial pressure of exterior space；In addition it is connected tail portion stench processing system, to true
Incondensable gas carries out acid-base reaction and oxidation reaction in empty condenser system, to be discharged after eliminating pernicious gas, to avoid
Surrounding enviroment are had an impact.
The present invention is further arranged to: the drying system includes apparatus casing, the revolution that is installed on inside apparatus casing
Cylinder frame, multilayer are fixed on the hollow heating disc of rotating cylinder frame outer wall, the space material matched with hollow heating disc
It turns over and scrapes translation device, the discharging sealing auger that is seal-installed on apparatus casing discharge port, for driving space material to turn over scrape translation device
It turns over and scrapes and the driving assembly of return and the rotary drive mechanism for driving rotating cylinder frame member, in apparatus casing upper end
It is sealed and installed with material transmitting device.
By using above-mentioned technical proposal, during the work time, material is equably laid in the by material transmitting device
On one layer of hollow heating disc, whenever rotating cylinder frame rotates by a certain angle, while driving hollow heating disc rotation same
Angle, then space material, which turns over, scrapes translation device and scrapes and tile to next layer of sky to turn over material compared with the faster speed of rotating cylinder frame
In heart heating dish, so that the heating repeatedly and each sheaf space material by multi-layer hollow heating dish are turned over and scrape translation device repeatedly
It turns over and scrapes, to reach desiccation requirement.
The present invention is further arranged to: it includes two live-rollers, wound on two biographies that the space material, which turns over and scrapes translation device,
Synchronization transfer conveyer belt, vertical sliding on dynamic roller are connected to the stationary rack of apparatus casing and are fixed on the non-return of live-roller
Gear, the non-return gear are fixed on the live-roller of rotating cylinder frame, and the non-return gear is mutually nibbled with stationary rack
It closes, translation scraper plate is installed below the synchronous transfer conveyer belt.
By using above-mentioned technical proposal, during the work time, whenever rotating cylinder frame rotates by a certain angle, then space
Material, which turns over, scrapes translation device to drive translation outward by driving assembly compared with the faster speed of rotating cylinder frame, wherein transferring in synchronizing
It send band, through stationary rack, inwardly to rotate with identical speed by non-return gear, make in present hollow heating dish and translates scraper plate
Under material it is turned-out scrape on the synchronous transfer conveyer belt of lower layer, and the then seamless rank of the material on current sync transfer conveyer belt
Ground connection is filled up on the hollow heating disc of current vacating space, and whole material replacements are completed to be a process；When rotating cylinder frame
Frame is rotated further by same angle, and space material, which turns over, to be scraped translation device and rapidly enter next process under the control of DCS controller；And the phase
Between space material turn over and scrape translation device and move inward unlike being displaced outwardly: work of the synchronous transfer conveyer belt due to non-return gear
With rotation when synchronizing transfer conveyer belt and do not rotated when moving inward, and being displaced outwardly；When in addition moving inward, driving assembly
Driving space material, which turns over, scrapes translation device promotion, guarantees that translation scraper plate is not contacted with material, driving assembly driving is empty when being displaced outwardly
Between material turn over and scrape translation device pushing, make to translate scraper plate and contacted with hollow heating disc, guarantee that material is replaced and hollow heating disc not plate
Knot.
The present invention is further arranged to: the translation scraper plate includes the bottom plate for being parallel to synchronous transfer conveyer belt, multiple passes through
The scraping plate lifting bar for wearing and sliding the scraper for being connected to bottom plate and being fixed on scraper upper end, the scraper are pierced by bottom plate one end direction
Far from rotating cylinder frame side, the scraping plate lifting bar is fixed on scraper towards bottom plate side, and multiple scrapers are along bottom plate
Length direction is arranged side by side.
By using above-mentioned technical proposal, the scraper of setting can preferably be turned over the material on hollow heating disc
Scrape, and multiple scrapers being set side by side are divided equally material well so that turn over scrape next layer material distribution more
Uniformly.
The present invention is further arranged to: it further include the translation scraper cleaner for being cleaned to translation scraper plate bottom,
The translation scraper cleaner includes that two scraper plates parallel and being set side by side promote track and antarafacial perpendicular to scraper plate promotion
The scraper steel wire of track, scraper steel wire both ends are individually fixed in corresponding scraper plate and are promoted on track.
By using above-mentioned technical proposal, the vertical range of scraper steel wire and scraper plate promotion track bottom surface is greater than hanging down for scraper
Straight standoff height, when hollow heating disc will be walked out by translating scraper plate, scraping plate lifting bar both ends walking upper scraping plate promotes track,
The scraping plate lifting bar being fixed together with scraper is upwardly away from bottom plate, i.e., scraper lower end is upwards collected through to bottom plate, thus
Scraper steel wire equably scrapes the material being bonded on bottom plate bottom surface on the synchronization transfer conveyer belt of lower layer without barrier.
The present invention is further arranged to: the space material, which turns over, to be scraped translation device and is additionally provided with towards rotating cylinder frame one end
Smooth pinch roller assembly, the smooth pinch roller assembly include smooth pinch roller and are driven in the reverse direction component.
By using above-mentioned technical proposal, when space, material, which is turned over, scrapes translation device and translates outward, current sync transfer conveyer belt
Since non-return gear is rotating clockwise, so that material seamless connection to be filled up to the hollow heating in current vacating space
On disk, and the smooth pinch roller rotation counterclockwise due to the driving progress for being driven in the reverse direction component at this time, thus will synchronous transfer conveying
The material transported smooth compacting on hollow heating disc is taken, the developed area and pyroconductivity of material are improved.
The present invention is further arranged to: the smooth pinch roller is provided with pinch roller sweeper.
By using above-mentioned technical proposal, pinch roller sweeper is set, to prevent from having materials from bonding on smooth pinch roller, and is avoided
The smooth compacting of material is had an impact.
The present invention is further arranged to: the vacuum condensing system include the condenser being connected with apparatus casing and with
The jetting extraction sector that condenser is connected, leaving condenser water mouth are additionally provided with condensate pump.
By using above-mentioned technical proposal, recycled in the copper pipe of condenser by using recirculated cooling water, absorption dehydration
The steam discharge generated in system, establishes and maintains apparatus casing inner height vacuum, and the condensed water condensed out in condenser is then
It is aspirated by condensate pump and is recycled after being sent to user terminal reverse osmosis treatment after boosting incessantly；Due to companion in material drying process
As incondensable gas escapes, the vacuum degree and heat exchange efficiency of system are influenced, uses jetting extraction sector to maintain apparatus casing
Interior vacuum, and extract incondensable gas out in time.
The present invention is further arranged to: the jetting extraction sector includes water-blaster, jetting case and water-jet pump, described to penetrate
The water inlet of water pump connecting morphism water tank and water-blaster, the water outlet connecting morphism water tank of the water-blaster, the air inlet of the water-blaster
Mouth connection condenser, the jetting case connect tail portion stench processing system.
By using above-mentioned technical proposal, biggish pressure difference is generated by water-blaster, so that non-condensing in condenser
Gas is inhaled into water-blaster, and is entered in jetting case with dampening, greatly solves the problems, such as subsequent Odor control.
The present invention is further arranged to: the tail portion stench processing system includes several concatenated acid-alkali washing towers and acid
Deodoriser that caustic scrubber is connected, the chimney for being mounted on the exhaust fan of deodoriser gas outlet and being connected to exhaust fan.
By using above-mentioned technical proposal, the incondensable gas of jetting extraction sector discharge belongs to foul gas, ingredient master
The physical and mental health of resident around, jetting pumping will be will affect by the gas compositions such as hydrogen sulfide, ammonia, alcohols, such as direct emission
The effluvium of mechanism discharge enters in acid-alkali washing tower to be neutralized automatically, and the dust particle in foul smell can also pass through soda acid
Scrubbing tower precipitates, and carries out mineralising (the preferred ozone of deodoriser is as advanced oxidation agent) subsequently into deodoriser oxidation reaction,
Purified gas introduces chimney high altitude discharge by exhaust fan, greatly solves influence of the incondensable gas to surrounding enviroment.
In conclusion advantageous effects of the invention are as follows: turned over using space material and scrape translation device and solve conventional process
Paste height, which coheres material, must use the defective workmanship of back-mixing, a greater degree of product company for playing multi-layer discs drying machine and having
Continuous mechanical conveying, heat transfer efficiency is high, rate of drying is big, take up little area, pollute less, securely and reliably, the advantages such as convenient for management.
Detailed description of the invention
Fig. 1 is the overall structure diagram of drying system of the invention；
Fig. 2 is the internal structure cross-sectional view of drying system；
Fig. 3 is that space material turns over the overall structure diagram for scraping translation device；
Fig. 4 is the structural schematic diagram of smooth pinch roller assembly；
Fig. 5 is the structural schematic diagram of driving assembly；
Fig. 6 is the structural schematic diagram of rotary drive mechanism；
Fig. 7 is the system schematic of vacuum condensing system and tail portion stench processing system.
In figure, 0, apparatus casing；1, space material, which turns over, scrapes translation device；101, stationary rack；102, non-return gear；105, it passes
Dynamic roller；103, synchronous transfer conveyer belt；104, scraper plate is translated；1041, bottom plate；1042, scraper；1043, scraping plate lifting bar；107,
Smooth pinch roller assembly；1071, smooth pinch roller；1072, it is driven in the reverse direction component；1073, belt pulley；1074, belt；1075, it drives
Gear；1076, synchromesh gear；108, pinch roller sweeper；109, scraper cleaner is translated；1091, scraper plate promotes track；1092,
Scraper steel wire；1093, chute；2, driving assembly；201, hydraulic push rod；202, inclined plate；203, strut；204, mobile jib；205, on
Hold sliding roller；206, the sliding roller in lower end；3, material transmitting device；31, feed hopper；32, feeding seal auger；4, rotary drive mechanism；
41, motor；42, swiveling gear；43, annular rack；44, rolling supporting wheel；45, aligning gear wheel；5, discharging sealing auger；6, it turns round
Cylinder frame；7, hollow heating disc；8, cold carrier rotary joint；9, heat carrier rotary joint；10, heat carrier pipeline；11, cold load
Body pipeline；13, condenser；14, condensate pump；15, water-blaster；16, jetting case；17, water-jet pump；18, acid-alkali washing tower；19,
Deodoriser；20, exhaust fan；21, chimney；22, fixed link；23, extension rod；30, drying system；40, vacuum condensing system；50,
Tail portion stench processing system.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, Fig. 7 is a kind of non-back-mixing formula multi-layer discs drying system of low temperature disclosed by the invention, including dry system
System 30, for carrying out desiccation to material by non-back-mixing formula multi-layer discs drying machine；Vacuum condensing system 40, to guarantee drying
System 30 evaporates material at low temperature, and guarantees that surface of material hygroscopic water vapor partial pressure is significantly larger than the hygroscopic water steam of exterior space
Partial pressure；Tail portion stench processing system 50, to carry out acid-base reaction and oxidation instead to incondensable gas in vacuum condensing system 40
It answers, to be discharged after eliminating pernicious gas.
The variation of drying sludge process status: the feature greatly of the one of sludge drying, with the progress of drying process, sludge can enter
One gluey stage, also referred to as so-called " sticky stage ", so far stage, sludge dry matter content are 45-65%；At this moment, dirty
Mud can be sticked on the wall of drying machine, so as to cause the reduction of drying efficiency, or even damage equipment；By corresponding technical measures and
Design can solve this problem, and a kind of method being generally used at present is so-called back-mixing method: being exactly will be after mechanical dehydration
Sludge (dry matter 20-35%) and the sludge (dry matter 90-95%) of absolutely dryization mixes, make the sludge into drying machine
Dry matter reaches 65-75%, can also make in this way into mud granulating, structuring.
And advantage of this embodiment is that: on the one hand, the drying system 30 of setting can pass through the multilayer of non-back-mixing formula circle
Disk drying machine carries out desiccation to wet stock, so that desiccation operation can be directly carried out when carrying out desiccation to wet stock, without
Back-mixing method (need to be added dry material and be added in drying machine jointly and carry out desiccation) when carrying out desiccation to wet stock, save in this way while also
The loss of thermal energy and electric energy is saved, and using multi-layer discs drying machine due to material bed relatively thin, developed area on heating disk
Greatly, space circulation is good, hygroscopic water vapor partial pressure is small, therefore makes it have the advantage that heat transfer efficiency is high, rate of drying is big；Another party
Face is also connected with vacuum condensing system 40 after drying system 30, ensure that drying system 30 evaporates material at low temperature, and
Guarantee that surface of material hygroscopic water vapor partial pressure is higher than the hygroscopic water vapor partial pressure of exterior space；In addition it is connected tail portion stench processing system
50, it is laggard to eliminate pernicious gas to carry out acid-base reaction and oxidation reaction to incondensable gas in vacuum condensing system 40
Row discharge, has an impact to avoid to surrounding enviroment.
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 5, drying system 30 include apparatus casing 0, the revolution being installed on inside apparatus casing 0
Cylinder frame 6, multilayer are turned over for tile the simultaneously hollow heating disc 7 of dried material, the space material matched with hollow heating disc 7
It scrapes translation device 1, the discharging sealing auger 5 for being seal-installed on 0 discharge port of apparatus casing, scrape translation device for driving space material to turn over
1 turn over scrape and the driving assembly 2 of return and for drive rotating cylinder frame 6 rotate rotary drive mechanism 4, in apparatus casing
0 upper end is sealed and installed with material transmitting device 3, and the discharge port of material transmitting device 3 is located at 7 direction of rotation of hollow heating disc
Space material turns over the rear for scraping translation device 1, and material is equably laid in the hollow heating disc of first layer by material transmitting device 3
On 7, material, which is turned over to scrape translation device 1 and turn over to scrape and tile to next layer is hollow by space material after one circle of the rotation of hollow heating disc 7, to be added
In hot plate 7, every layer of 7 inlet and outlet of hollow heating disc are connected separately with heat carrier pipeline 10 and cold carrier pipeline
11, heat carrier pipeline 10 is connect by heat carrier rotary joint 9 with external pipe, and cold carrier pipeline 11 is connect by cold carrier rotation
First 8 connect with external pipe；Hollow heating disc 7 is fixed on rotating cylinder frame 6 by certain spacing, is put in horizontal；Heat
The main pipe of carrier pipe 10 is installed on 6 rotation center of rotating cylinder frame, and the main pipe of cold carrier pipeline 11 is also installed on revolving drum
6 rotation center of body frame；Wherein, material transmitting device 3 include feeding seal auger 32 and be fixed on feeding seal auger 32 into
The feed hopper 31 of material mouth, the discharge port of feeding seal auger 32 are weldingly fixed on apparatus casing 0.During the work time, whenever
Rotating cylinder frame 6 rotates by a certain angle, then space material, which turns over, scrapes translation device 1 to incite somebody to action compared with the faster speed of rotating cylinder frame 6
Material, which turns over, to be scraped and tiles to next layer of hollow heating disc 7, to pass through the heating repeatedly of multi-layer hollow heating dish 7, and each
Sheaf space material, which turns over, to be scraped turning over repeatedly for translation device 1 and scrapes, to reach desiccation requirement.
Referring to Fig. 2, Fig. 3, Fig. 5, every layer of space material, which turns over, to be scraped translation device 1 and is connected in the same vertical plane, by driving
The dynamic control of component 2 is retreated.It includes two live-rollers 105, on two live-rollers 105 that space material, which turns over and scrapes translation device 1,
Synchronous transfer conveyer belt 103, vertical sliding are connected to the stationary rack 101 of apparatus casing 0 and are fixed on stopping for live-roller 105
Inverted teeth wheel 102, non-return gear 102 are fixed on the live-roller 105 of rotating cylinder frame 6, non-return gear 102 and fixed tooth
Item 101 is meshed, and stationary rack 101 is connected in the vertical chute that apparatus casing 0 opens up by sliding block sliding, and vertical chute
It is inside fixed with pressure spring, pressure spring one end is fixed on sliding slot upper end, and the other end is fixed on the sliding block of stationary rack 101 and (does not regard in figure
Out), it so that stationary rack 101 can be turned over space material scrapes the whole lifting of translation device 1 and move up and down, synchronizes
Turn that translation scraper plate 104 is installed below conveyer belt 103, the mounting plate that translation scraper plate 104 is fixed on live-roller 105 (is not marked in figure
Show) on.During the work time, whenever rotating cylinder frame 6 rotates by a certain angle, then space material, which turns over, scrapes translation device 1 relatively to return
The faster speed of drum body frame 6 drives outside translation by driving assembly 2, wherein synchronous transfer conveyer belt 103 passes through non-return tooth
Wheel 102 is inwardly rotated through stationary rack 101 with identical speed, is made in present hollow heating dish 7 and under translation scraper plate 104
Material is turned-out to be scraped on the synchronous transfer conveyer belt 103 of lower layer, and the material on current sync transfer conveyer belt 103 is then seamless
It meshingly fills up on the hollow heating disc 7 of current vacating space, whole material replacements are completed to be a process；Work as rotating cylinder
Frame 6 is rotated further by same angle, space material turn over scrape translation device 1 under DCS controller (not regarded out in figure) control quickly into
Enter next process；And period space material turns over and scrapes translation device 1 and move inward unlike being displaced outwardly: synchronous transfer conveying
With 103 due to non-return gear 102 effect, synchronous transfer conveyer belt 103 do not rotate when moving inward, and while being displaced outwardly turns
It is dynamic；When in addition moving inward, driving assembly 2 drive space material turn over scrapes translation device 1 promotion, guarantee translation scraper plate 104 not with object
Material contact, driving assembly 2 drives space material to turn over and scrapes the pushing of translation device 1 when being displaced outwardly, and makes to translate scraper plate 104 and hollow heating
Disk 7 contacts, and guarantees that material displacement and hollow heating disc 7 be not hardened.
Referring to Fig. 2, Fig. 3, translation scraper plate 104 includes the bottom plate 1041 for being parallel to synchronous transfer conveyer belt 103, multiple runs through
And slide and be connected to the scraper 1042 of bottom plate 1041, be fixed on the scraping plate lifting bar 1043 of 1042 upper end of scraper, bottom plate 1041 is logical
It crosses fixation steel plate to be fixed on the mounting plate (not indicating in figure) of live-roller 105, scraper 1042 is pierced by 1041 one end of bottom plate direction
Far from 6 side of rotating cylinder frame, scraping plate lifting bar 1043 is fixed on scraper 1042 towards 1041 side of bottom plate, multiple scrapers
(1042) it is arranged side by side along bottom plate (1041) length direction, the length of scraping plate lifting bar 1043 is greater than the width of bottom plate 1041.If
The scraper 1042 set preferably can turn over scraping to the material on hollow heating disc 7, and multiple scrapers 1042 being set side by side
Material can be divided equally well so that turn over scrape next layer material distribution it is more uniform.
Referring to Fig. 2, Fig. 3, further includes the translation scraper cleaner 109 for being cleaned to translation 104 bottom of scraper plate, put down
Moving scraper cleaner 109 includes that two scraper plates parallel and being set side by side promote track 1091 and antarafacial perpendicular to scraper plate promotion
The scraper steel wire 1092 of track 1091, the spacing that two scraper plates promote track 1091 are less than the length of scraping plate lifting bar 1043, scrape
Expect 1092 both ends of steel wire respectively by fixed fixation with steel wire in corresponding scraper plate promoted track 1091 on, scraper steel wire 1092 with scrape
Plate promoted 1091 bottom surface of track vertical range be greater than scraper 1042 vertical projection height, scraper plate promoted track 1091 towards turn
6 side of cylinder frame is provided with the chute 1093 promoted convenient for scraping plate lifting bar 1043.When translation scraper plate 104 will walk out sky
When heart heating dish 7,1043 both ends of scraping plate lifting bar by chute 1093 walk upper scraping plate promoted track 1091, with scraper 1042
The scraping plate lifting bar 1043 being fixed together is upwardly away from bottom plate 1041, i.e., 1042 lower end of scraper is upwards collected through to bottom plate 1041
It is interior, the material being bonded on 1041 bottom surface of bottom plate is equably scraped in the synchronizing of lower layer without barrier convenient for scraper steel wire 1092
Turn on conveyer belt 103.
In addition, referring to Fig. 2, Fig. 3, Fig. 4, space material, which turns over, to be scraped translation device 1 and is additionally provided with towards 6 one end of rotating cylinder frame
Smooth pinch roller assembly 107, smooth pinch roller assembly 107 include smooth pinch roller 1071 and are driven in the reverse direction component 1072, are driven in the reverse direction portion
Part 1072 includes that belt pulley 1073, the belt 1074 between belt pulley 1073 and live-roller 105 and belt pulley 1073 are same
The driving gear 1075 of axis connection and the synchromesh gear 1076 coaxially connected with smooth pinch roller 1071, driving gear 1075 and same
Step gear 1076 is meshed；Wherein, smooth 1071 both ends of pinch roller are rotatably connected on 105 both ends axis of live-roller by fixed link 22
Place；When space material turn over scrapes translation device 1 outward translate, current sync transfer conveyer belt 103 due to non-return gear 102 carry out it is suitable
Hour hands rotation, thus material seamless connection is filled up on the hollow heating disc 7 of current vacating space, and smooth pinch roller at this time
1071 carry out rotation counterclockwise due to being driven in the reverse direction the driving of component 1072, thus by transporting on synchronous transfer conveyer belt 103
The material to get off smooth compacting on hollow heating disc 7 improves the developed area and pyroconductivity of material.
Meanwhile referring to Fig. 4, smooth pinch roller 1071 is provided with pinch roller sweeper 108, and pinch roller sweeper 108 is and smooth pressure
The arc panel that wheel 1071 matches, each extends over out an extension rod 23,108 one end of pinch roller sweeper at smooth 1071 both ends of pinch roller
It fits on smooth pinch roller 1071, the other end is rotationally connected on extension rod 23, and is provided with torsional spring (in figure at rotation connection
It does not regard out)；To prevent having materials from bonding on smooth pinch roller 1071.
As material is transported heating and drying layer by layer in multi-layer hollow heating dish 7, final dry material is with absolutely dryization of demand
State is discharged from discharging sealing auger 5.
Referring to Fig. 3, Fig. 5, driving assembly 2 includes hydraulic push rod 201, the inclined plate for being fixed on 201 free end of hydraulic push rod
202, the strut 203 for scraping translation device 1, state in a vertical shape and the mobile jib 204 for connecting strut 203 are turned over for connecting multilayer space material
With the sliding roller 206 of the sliding roller 205 in upper end and lower end being fixed on mobile jib 204, the sliding roller 206 of the sliding roller 205 in upper end and lower end distinguishes position
In the upper surface and lower end surface of inclined plate 202, inclined plate 202 and the setting at an acute angle of 201 upper surface of hydraulic push rod；When space, material, which is turned over, scrapes
When translation device 1 moves inward, fixed inclined plate 202 heads on the sliding roller 205 in upper end and pushes up with 201 free end of hydraulic push rod, with
I.e. mobile jib 204 is whole also just drives the space material of multilayer to turn over to scrape translation device 1 and raise up, guarantee moving inward Shi Buyu object
Material contact；When space, material is turned over when scraping translation device 1 and being displaced outwardly, and fixed inclined plate 202 is pressing against down with 201 free end of hydraulic push rod
Sliding roller 206 is held to push down on, mobile jib 204 is whole immediately also scrapes the pushing of translation device 1 with regard to driving the space material of multilayer to turn over, and makes to translate
Scraper plate 104 is contacted with hollow heating disc 7, guarantees that material displacement and hollow heating disc 7 be not hardened.
Referring to Fig. 6, rotary drive mechanism 4 includes motor 41, the swiveling gear 42 being fixed on 41 output shaft of motor, fixes
In 6 bottoms of rotating cylinder frame+portion annular rack 43 and multiple rolling supporting wheels 44 for being mounted on 6 bottom of rotating cylinder frame,
Swiveling gear 42 is meshed with annular rack 43, and multiple rolling supporting wheels 44 are uniformly arranged around the center of rotation of rotating cylinder frame 6；
To drive the entire slowly rotation of rotating cylinder frame 6 by the driving of motor 41.Simultaneously also 6 bottom of rotating cylinder frame also
Aligning gear wheel 45 is installed, to prevent the offset that rotates in 6 rotation process of non-return drum body frame.
Referring to Fig. 7, vacuum condensing system 40 include the condenser 13 being connected with apparatus casing 0 and with 13 phase of condenser
The jetting extraction sector of connection, 13 water outlet of condenser are additionally provided with condensate pump 14, are condensing by using recirculated cooling water
Circulation in the copper pipe of device 13, the interior steam discharge generated of absorption dehydration system 30, establishes and maintains 0 inner height vacuum of apparatus casing, and
The condensed water condensed out in condenser 13 is then aspirated after boosting that be sent to user terminal reverse osmosis incessantly by condensate pump 14
It is recycled after processing；Due to escaping in material drying process along with incondensable gas, the vacuum degree and heat exchange effect of system are influenced
Rate uses jetting extraction sector to maintain vacuum in apparatus casing 0, and extracts incondensable gas out in time.
Referring to Fig. 7, jetting extraction sector includes water-blaster 15, jetting case 16 and water-jet pump 17,17 connecting morphism of water-jet pump
The air inlet connection of the water inlet of water tank 16 and water-blaster 15, the water outlet connecting morphism water tank 16 of water-blaster 15, water-blaster 15 is cold
Condenser 13, jetting case 16 connect tail portion stench processing system 50.Biggish pressure difference is generated by water-blaster 15, so that condenser
Incondensable gas in 13 is inhaled into water-blaster 15, and is entered in jetting case 16 with dampening, is greatly solved subsequent smelly
Gas disposal problem.
Referring to Fig. 7, tail portion stench processing system 50 include several concatenated acid-alkali washing towers 18, with 18 phase of acid-alkali washing tower
The deodoriser 19 of connection, the exhaust fan 20 for being mounted on 19 gas outlet of deodoriser and the chimney 21 being connected to exhaust fan 20；Jetting
The incondensable gas of extraction sector discharge belongs to foul gas, and ingredient is mainly by gas compositions such as hydrogen sulfide, ammonia, alcohols, such as
Direct emission will will affect the physical and mental health of resident around, and the effluvium of jetting extraction sector discharge enters in acid-alkali washing tower 18
Automatically it is neutralized, and the dust particle in foul smell can also be precipitated by acid-alkali washing tower 18, subsequently into deodoriser
19 oxidation reactions carry out mineralising (the preferred ozone of deodoriser 19 is as advanced oxidation agent), and purified gas is introduced by exhaust fan 20
21 high altitude discharge of chimney greatly solves the influence that incondensable gas generates surrounding enviroment.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of non-back-mixing formula multi-layer discs drying system of low temperature, it is characterised in that: including,
Drying system (30), for carrying out desiccation to material by non-back-mixing formula multi-layer discs drying machine；
Vacuum condensing system (40) guaranteeing that drying system (30) evaporates material at low temperature, and guarantees that surface of material is wet
The hygroscopic water vapor partial pressure for dividing vapor partial pressure to be higher than exterior space；
Tail portion stench processing system (50), to carry out acid-base reaction and oxidation to incondensable gas in vacuum condensing system (40)
Reaction, to be discharged after eliminating pernicious gas.
2. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 1, it is characterised in that: the drying
System (30) includes apparatus casing (0), be installed on the internal rotating cylinder frame (6) of apparatus casing (0), multilayer is fixed on revolution
The hollow heating disc (7) of cylinder frame (6) outer wall, the space material matched with hollow heating disc (7) turn over scrape translation device (1),
It is seal-installed on discharging sealing auger (5) of apparatus casing (0) discharge port, translation device (1) is scraped for driving space material to turn over and turns over
Scrape and the driving assembly of return (2) and for drive rotating cylinder frame (6) rotate rotary drive mechanism (4), in equipment
Shell (0) upper end is sealed and installed with material transmitting device (3).
3. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 2, it is characterised in that: the space
It includes two live-rollers (105), the synchronization transfer conveyer belt on two live-rollers (105) that material, which turns over and scrapes translation device (1),
(103), vertical sliding is connected to the stationary rack (101) of apparatus casing (0) and is fixed on the non-return gear of live-roller (105)
(102), the non-return gear (102) is fixed on the live-roller (105) of rotating cylinder frame (6), the non-return gear
(102) it is meshed with stationary rack (101), translation scraper plate (104) is installed below the synchronous transfer conveyer belt (103).
4. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 3, it is characterised in that: the translation
Scraper plate (104) include be parallel to synchronous transfer conveyer belt (103) bottom plate (1041), it is multiple run through and slide be connected to bottom plate
(1041) scraper (1042) and the scraping plate lifting bar (1043) for being fixed on scraper (1042) upper end, the scraper (1042) are pierced by
Bottom plate (1041) one end is directed toward far from rotating cylinder frame (6) side, and the scraping plate lifting bar (1043) is fixed on scraper
(1042) towards bottom plate (1041) side, multiple scrapers (1042) are arranged side by side along bottom plate (1041) length direction.
5. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 4, it is characterised in that: further include using
In the translation scraper cleaner (109) cleaned to translation scraper plate (104) bottom, translation scraper cleaner (109) packet
It includes two scraper plates parallel and being set side by side and promotes track (1091) and antarafacial scraping perpendicular to scraper plate promotion track (1091)
Expect steel wire (1092), scraper steel wire (1092) both ends are individually fixed in corresponding scraper plate and are promoted on track (1091).
6. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 5, it is characterised in that: the space
Material, which turns over, to be scraped translation device (1) and is additionally provided with smooth pinch roller assembly (107) towards rotating cylinder frame (6) one end, the smooth pressure
Wheel assembly (107) includes smooth pinch roller (1071) and is driven in the reverse direction component (1072).
7. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 6, it is characterised in that: described smooth
Pinch roller (1071) is provided with pinch roller sweeper (108).
8. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 1, it is characterised in that: the vacuum
Condenser system (40) includes taking out the condenser (13) being connected with apparatus casing (0) and the jetting being connected with condenser (13)
Mechanism of qi structure, condenser (13) water outlet are additionally provided with condensate pump (14).
9. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 8, it is characterised in that: the jetting
Extraction sector includes water-blaster (15), jetting case (16) and water-jet pump (17), water-jet pump (17) the connecting morphism water tank (16)
With the water inlet of water-blaster (15), the water outlet connecting morphism water tank (16) of the water-blaster (15), the water-blaster (15) into
Port is connected to condenser (13), and the jetting case (16) connects tail portion stench processing system (50).
10. the non-back-mixing formula multi-layer discs drying system of a kind of low temperature according to claim 9, it is characterised in that: the tail
The deodoriser that portion's stench processing system (50) includes several concatenated acid-alkali washing towers (18), is connected with acid-alkali washing tower (18)
(19), the chimney (21) for being mounted on the exhaust fan (20) of deodoriser (19) gas outlet and being connected to exhaust fan (20).
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| CN109824241B (en) | 2024-01-05 |
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