CN110498588A - A kind of continuous biomass anhydration system and drying process - Google Patents
A kind of continuous biomass anhydration system and drying process Download PDFInfo
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- CN110498588A CN110498588A CN201910863549.6A CN201910863549A CN110498588A CN 110498588 A CN110498588 A CN 110498588A CN 201910863549 A CN201910863549 A CN 201910863549A CN 110498588 A CN110498588 A CN 110498588A
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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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A kind of continuous biomass anhydration system and drying process, anhydration system include heating device, desiccation cylinder, water separator and circulating fan, and heating device is used to water or steam being heated into superheated steam；Desiccation cylinder carries out drying and other treatment to the material of entrance；Water separator is connect with exhaust outlet, carries out gas-liquid separation to the steam containing droplet come out from exhaust outlet；Circulating fan is connected between heating device and water separator, steam after water separator is separated is sent is heated into superheated steam into heating device again, when work, superheated steam after heated device heating, which enters in desiccation cylinder, to be flowed up, heat exchange is carried out with the material to land step by step, take away the water in material, then the steam after using containing droplet is sent into water separator after progress gas-liquid separation, heating device is sent by circulating fan again to reheat as superheated steam, desiccation cylinder is introduced to use, it realizes and the maximum of steam is utilized, play energy conservation, reduce the effect of cost.
Description
Technical field
The invention belongs to biomass processes fields, and in particular to a kind of continuous biomass anhydration system and drying process.
Background technique
As country in recent years continues to increase environmental protection dynamics, water environment treatment obtains important achievement, water process rate and
Compliance rate is constantly promoted, but the different kind organism matter that water treatment procedure generates forms new environmental problem.Biomass is sewage
The solid sediment matter generated in treatment process additionally includes what the physical property generated in industrial processes was closer to
Deposit, the biomass of biomass processes meaning be mainly sewage disposal process generate biochemical biomass, as feces of livestock and poultry,
Sludge etc., poultry excrement and urine disposal method mainly have: incineration method, seasoning, deodorization process, recycling method incineration method, because of feces of livestock and poultry
In contain organic substance, using similar incineration treatment of garbage technology, make its ashing, reach decrement and kill the mesh of deleterious pathogens
, but pernicious gas can be generated in treatment process, while be lost many nutriments, and big energy-consuming, investment is big, therefore is not easy
It promotes；Seasoning is to be handled using energy such as thermal energy, solar energy, wind energies feces of livestock and poultry, makes feces of livestock and poultry in a timing
Interior removing most of moisture, achieve the purpose that it is dry, be not only in that reduce excrement in moisture, but also to reach deodorization and
The effect of sterilizing, therefore, it is dry after feces of livestock and poultry greatly reduce the pollution to environment, and the feces of livestock and poultry after drying can add
Work serves many purposes at granulated fertilizer, or as the feed of livestock and poultry.
The biomass such as feces of livestock and poultry, sludge are dried using superheated steam in the prior art, in drying process, mistake
The biomass such as hot steam and feces of livestock and poultry, sludge carry out heat exchange, and temperature reduction can generate condensed water, condensed water along barrel to
Lower flowing will affect equipment use, and direct emission after the steam condensation used, is not utilized, causes the waste of resource,
It is further improved.
Summary of the invention
The purpose of the present invention is overcoming the prior art, a kind of continuous biomass anhydration system, another mesh are provided
The drying process for being to provide a kind of processing biomass using above-mentioned anhydration system.
The present invention adopts the following technical scheme:
A kind of continuous biomass anhydration system, including heating device, desiccation cylinder, water separator and circulating fan,
Heating device is used to water or steam being heated into superheated steam, including air inlet and air outlet；
Desiccation cylinder carries out drying and other treatment, including cylinder, overheat steam jetting pipe and multiple desiccation units to the material of entrance,
Feed inlet and exhaust outlet are provided at the top of cylinder；Overheat steam jetting pipe is arranged in cylinder, one end and heating device outlet
Mouth connection；Multiple desiccation unit intervals are arranged in cylinder, and bottom is provided with the desiccation disk of air hole, is rotatably provided in
The material toggling part of material is stirred on desiccation disk and the drainage arrangement that cylinder inboard wall is collected and condensed water is discharged, drainage arrangement packet are set
Include around cylinder inboard wall setting water receiving tank and the aqueduct extended to outside cylinder is connect with water receiving tank, material from feed inlet into
Enter, falls through multiple desiccation units and inversely contacted with the superheated steam flowed up step by step；
Water separator is connect with exhaust outlet, carries out gas-liquid separation to the steam containing droplet come out from exhaust outlet；
Circulating fan is connected between heating device and water separator, and the steam after water separator is separated is sent
It is heated into superheated steam again into heating device.
Further, the desiccation disk includes the first desiccation disk and the second desiccation disk, and the diameter of the second desiccation disk is greater than the
The diameter of one desiccation disk, the water receiving tank are arranged on the second desiccation disk.
Further, the second desiccation disk includes on the second chassis of the second chassis connecting with cylinder inboard wall and setting
Second disk body is formed with the mounting groove for installing water receiving tank, the water receiving tank between the second disk body outer periphery and the second chassis
Enter inclining for the second disk body including the bottom plate connecting in mounting groove with cylinder inboard wall is arranged in, directing material above bottom plate is arranged in
Inclined plate and the connecting plate being connected between bottom plate and hang plate, hang plate to close to cylinder inboard wall side tilt, the upper end with
The inlet opening entered for condensed water is formed between cylinder inboard wall.
Further, the first desiccation disk includes the first chassis connecting with cylinder inboard wall and is arranged on the first chassis
The first disk body, first discharge port, the diameter of second disk body are formed between the outer periphery of the first disk body and the first chassis
Greater than the diameter of the first disk body, material toggling part makes the material on the first disk body flow outwardly through first discharge port into the second disk body
Top surface, so that the material on the second disk body is flowed inwardly through the middle part that the second discharge gate falls to next first disk body.
Further, the drainage arrangement further includes that the drainpipe connecting on the outside of cylinder with aqueduct and setting cylinder is arranged in
The annular outlet pipe that body bottom is connect with drainpipe lower end.
Further, the air hole is up-small and down-big bellmouth.
Further, further include material dispersing device, material dispersing device include the feed hopper being connect with cylinder feed inlet,
The stirring blade and driving stirring blade rotating drive part being rotatably provided in feed hopper, stirring blade include rotatably setting
Agitating shaft in feed hopper and the helical blade that agitating shaft lower end is set.
It further, further include screw conveyor, the cylinder body bottom is provided with discharge port, and discharge outlet is connected with lock gas
Device, screw conveyor are connect with flapper.
A kind of biomass continous way drying process, using biomass anhydration system described in any of the above item, including it is as follows
Step:
Step 1, the superheated steam that heating device will warm up 150-170 DEG C are delivered in desiccation cylinder, by air hole to
The carry out heat exchange of the material to fall step by step in upper flowing and desiccation disk, the material water ratio after making desiccation are controlled in 15-40%；
Step 2, water receiving tank receives the condensed water generated in superheated steam and material heat exchanging process, and passes through aqueduct
Cylinder is discharged；
The superheated steam containing droplet after step 3, with material heat exchange is entered in water separator by exhaust outlet
Gas-liquid separation is carried out, the superheated steam after gas-liquid separation is sent into heating device by circulating fan and is reheated to preset temperature
Afterwards, it is re-fed into desiccation cylinder and recycles.
Further, in the step 3, the vapor (steam) temperature of exhaust outlet discharge is 70-80 DEG C.
By the above-mentioned description of this invention it is found that compared with prior art, the beneficial effects of the present invention are: when work, warp
Superheated steam after heating devices heat, which enters in desiccation cylinder, to be flowed up, and is carried out heat exchange with the material to land step by step, is taken away
Water in material, the steam after then using containing droplet are sent into water separator after progress gas-liquid separation, then will be steamed
Vapour is sent into heating device by circulating fan and reheats as superheated steam, introduces in desiccation cylinder and uses, drain assembly is collected simultaneously
Discharge superheated steam prevents the use for influencing anhydration system because temperature declines the condensed water being attached on barrel, and superheated steam mentions
The high bulk temperature of desiccation cylinder, can realize heat recovery to the further desiccation of material in desiccation cylinder, improve desiccation effect
Rate is realized and is utilized to the maximum of steam, is played the role of energy conservation, is reduced cost；
The bottom of desiccation disk is provided with multiple air holes, and superheated steam can be carried out by the material on air hole and charing disk
Heat exchange increases the contact area of superheated steam and material, improves drying efficiency, realizes that the maximum of superheated steam utilizes；
Desiccation disk includes the first desiccation disk and the second desiccation disk, and the diameter of the first desiccation disk is straight less than the second desiccation disk
The edge of the first desiccation disk is arranged in diameter, first discharge port, and the middle part of the second desiccation disk is arranged in the second discharge gate, and material toggling part makes
Material on first desiccation disk flows outwardly through the top surface that first discharge port enters the second desiccation disk, makes on the second desiccation disk
Material flows inwardly through the middle part that the second discharge gate falls to next first desiccation disk, and be staggered the first desiccation disk and the second desiccation
The discharge gate of disk, it is ensured that superheated steam and the material maximum time in desiccation cylinder stop, and increase the maximum of material and superheated steam
Time of contact improves desiccation effect, while material can also contact in dropping process with the steam constantly risen, further increase
The Maximum Contact time of material and superheated steam improves desiccation effect；
Water receiving tank includes bottom plate, hang plate and connecting plate, and hang plate is tilted to the side close to cylinder inboard wall, the upper end with
The inlet opening entered for condensed water, guidance of the material fallen from the first desiccation disk in hang plate are formed between cylinder inboard wall
It is lower to enter in the second desiccation disk, guarantee that material will not enter in water receiving tank, prevents blocking aqueduct；
The overall system architecture is simply, it can be achieved that the continuity desiccation of material, with heat exchanger effectiveness height, low energy consumption, money
The advantages that source recycles, is adaptable, occupied area is small.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram one of desiccation cylinder；
Fig. 3 is the structural schematic diagram two of desiccation cylinder；
Fig. 4 is the structural schematic diagram of desiccation unit；
Fig. 5 is the structural schematic diagram one of the second desiccation disk；
Fig. 6 is the structural schematic diagram of the first desiccation disk；
Fig. 7 is the structural schematic diagram two of the second desiccation disk；
Fig. 8 is the structural schematic diagram of water separator；
Fig. 9 is the structural schematic diagram of separator；
Figure 10 is the structural schematic diagram of stirring blade；
In figure, 1- heating device, 2- desiccation cylinder, 3- water separator, 4- material dispersing device, 5- conveying device, 6-
Flapper, 7- screw conveyor, 8- circulating fan, 11- cabinet, 12- fin heats pipe, 21- cylinder, 22- steam injection pipe,
23- desiccation disk, 24- material toggling part, 25- drain assembly, 26- driving device, 27- air hole, 31- shell, 32- separator, 41- into
Hopper, 42- stirring blade, 211- exhaust outlet, 212- overhauls window, the first desiccation of 231- disk, the first chassis 2311-, 2312-
One disk body, 2313- first discharge port, the second desiccation of 232- disk, the second disk body of 2321-, the second disk body of 2322-, 2323- second row
Material mouth, 2324- mounting groove, the first material toggling of 241- part, 2411- first install axle bed, first rod for stiring materials of 2412-, 2413- first and dial
Tablet, the second material toggling of 242- part, 2421- second install axle bed, second rod for stiring materials of 2422-, the second material toggling piece of 2423-, 251- and connect
Sink, 2511- bottom plate, 2512- hang plate, 2513- connecting plate, 252- aqueduct, 253- drainpipe, 254- annular outlet pipe,
261- rotation axis, 321- bracket, 322- mounting base, 323- blade, 324 synchronous circles, 325- shaft, 326- swing rod, 3261- bar shaped
Through slot, 327- pin shaft, 328- guiding mechanism, 3281- upper supporting plate, 3282- lower carrier plate, 3283- support shaft, 3284- idler wheel, 421-
Agitating shaft, 422- helical blade.
Specific embodiment
Below by way of specific embodiment, the invention will be further described.
Referring to figs. 1 to shown in Figure 10, a kind of continuous biomass anhydration system, including heating device 1, desiccation cylinder 2, carbonated drink
Separator 3, circulating fan 8, material dispersing device 4, screw conveyor 7 and conveying device 5.
Heating device 1 is used to water or steam being heated into superheated steam, including cabinet 11 and is arranged in more in cabinet 11
A fin heats pipe 12, cabinet 11 include air inlet and air outlet, and water or steam are heated into 150- by heating device 1
170 DEG C of superheated steam.
The material of 2 pairs of desiccation cylinder entrance carries out drying and other treatment, including cylinder 21, overheat steam jetting pipe 22 and multiple desiccation
Unit 23, the top of cylinder 21 are provided with feed inlet and exhaust outlet 211, and bottom is provided with discharge port, and barrel offers multiple inspections
Window 212 is repaired, discharge port is connected with flapper 6；Overheat steam jetting pipe 22 is arranged in cylinder 21, including tube body and setting exist
Multiple steam nozzles on tube body, the tube body other end closed at one end are extended to outside cylinder 21 and are connect with cabinet gas outlet, steam spray
Mouth is arranged on the tube body in cylinder 21；Multiple desiccation units are arranged at intervals in cylinder 21 along cylinder short transverse, packet
It includes the desiccation disk 23 for accepting falling material, the material toggling part 24 being rotatably provided on desiccation disk 23, be arranged in cylinder 21
It collects and the drainage arrangement 25 of condensed water and the driving device 26 of the driving rotation of material toggling part 24 is discharged, material enters from feed inlet,
It falls through multiple desiccation disks 23 and is inversely contacted with the superheated steam flowed up step by step.
Desiccation disk 23 is arranged above overheat steam jetting pipe 22, including the first desiccation disk 231 and setting are in the first desiccation
Second desiccation disk 232 of 231 lower section of disk, the diameter of the second desiccation disk 232 are greater than the diameter of the first desiccation disk 231, the first desiccation
Disk 231 includes the first chassis 2311 connecting with 21 inner wall of cylinder and the first disk body 2312 being arranged on the first chassis 2311,
The diameter of first disk body 2312 less than the first chassis 2311 diameter, the outer periphery of the first disk body 2312 and the first chassis 2311 it
Between be formed with first discharge port 2313；Second desiccation disk 232 includes the second chassis 2321 connecting with 21 inner wall of cylinder and setting
The second disk body 2322 on the second chassis 2321, the diameter of the second disk body 2322 less than the second chassis 2321 diameter, first
The diameter of disk body 2312 less than the second disk body 2322 diameter, the outer periphery of the second disk body 2322 and 2321 inner wall of the second chassis it
Before be formed with mounting groove 2324 for installing drainage arrangement 25, the middle part of the second disk body 2322 is formed with the second discharge gate
2323, material toggling part 24 makes the material on the first disk body 2312 flow outwardly through first discharge port 2313 and enters the second disk body 2322
Top surface, so that the material on the second disk body 2322 is flowed inwardly through the second discharge gate 2323 and fall to next first disk body 2312
Middle part, pass through the discharge gate of be staggered the first desiccation disk 231 and the second desiccation disk 232, it is ensured that superheated steam and material are in desiccation
Maximum time stops in cylinder 2, increases the Maximum Contact time of material and superheated steam, desiccation effect is improved, specifically, the first disk
The air hole 27 passed through for superheated steam is provided on body 2312 and the second disk body 2322, air hole 27 is up-small and down-big taper
Hole.
Material toggling part 24 includes being rotatably provided in the first material toggling part 241 of the first disk body 2312 and being rotatably provided in second
Second material toggling part 241 of disk body 2322, the first material toggling part 241 include the first installation axle bed 2411, circle distribution in the first installation
Multiple first rod for stiring materials 2412 and setting multiple first material toggling pieces 2413 on first rod for stiring materials 2412 of 2411 outer peripheral surface of axle bed,
First material toggling piece 2413 is inclined on first rod for stiring materials 2412；Second material toggling part 242 includes the second installation axle bed 2421, circle
It is distributed in multiple second rod for stiring materials 2422 of 2421 outer peripheral surface of the second installation axle bed week and is arranged on second rod for stiring materials 2422
Multiple second material toggling pieces 2423, the second material toggling piece 2423 are inclined on second rod for stiring materials 2422, the first material toggling piece 2413 with
The tilt angle of second material toggling piece 2423 is complementary, flows the material on the first disk body 2312 outward, on the second disk body 2322
Material inwardly flows.
Driving device 26 is for driving material toggling part 24 to rotate, including rotation axis 261 and variable frequency reducer motor, and shaft 61 is from cylinder
Extend under short transverse at the top of body, the connection with the installation axle bed of material toggling part 24；Variable frequency reducer motor is arranged outside cylinder 21
It is connect with shaft 261, controls the material toggling speed of material toggling part 24, by variable frequency reducer motor to control the aqueous of the material after desiccation
Rate.
Drainage arrangement 25 includes water receiving tank 251, aqueduct 252, drainpipe 253 and annular outlet pipe 254, water receiving tank 251
It is arranged around 21 inner wall of cylinder, forms water receiving chamber 255 between 21 inner wall of water receiving tank 251 and cylinder, including be arranged in mounting groove
Bottom plate 2511, the setting directing material above bottom plate 2511 that can be connect with 21 inner wall of cylinder in 2324 enter the second disk body 2322
Hang plate 2512 and the connecting plate 2513 that is connected between bottom plate 2511 and hang plate 2512, the width of bottom plate 2511 and installation
The equivalent width of slot 2324, for bottom plate 2511 completely as in mounting groove 2324, top surface is equal with the top surface of the second disk body 2322,
Connecting plate 2513 is parallel with the axis of cylinder 21, and hang plate 2512 is tilted to one end close to 21 inner wall of cylinder, guides from first
The material that discharge gate 2313 falls enters in the second disk body 2322, and there are 3mm between 21 inner wall of 2512 upper end of hang plate and cylinder
Gap, form the inlet opening that enters for condensed water；Aqueduct 252 is provided with multiple, and multiple 252 circle distributions of aqueduct are in cylinder
21 inner wall of body, one end connect the other end with water receiving chamber 255 and extend to 21 outside of cylinder；Drainpipe 253 is provided with multiple, Duo Gepai
Water pipe 253 and multiple aqueducts 252 correspond, and drainpipe 253 is extended downwardly along 21 short transverse of cylinder；Annular outlet pipe
254 settings are connect in 21 bottom of cylinder with multiple drainpipes 253, by the way that water receiving tank 251 is arranged in each desiccation unit, are accepted dry
During change, the condensed water that superheated steam is generated by temperature decline, preventing, which influences equipment, is used, by the way that hang plate 2512 is arranged,
The material to fall from the first disk body 2312 is guided to enter on the second disk body 2322, and 2512 upper end of tilting section and 21 inner wall of cylinder
Between there are the gap 3mm formed inlet opening, guarantee condensed water can enter water receiving chamber 255 in and material will not enter.
Water separator 3 is connect with exhaust outlet 211, carries out gas to the steam containing droplet come out from exhaust outlet 211
Liquid separation, including shell 31 and be arranged in can in separator 32, shell 31 be provided with air inlet 311, gas outlet 312 and go out
Liquid mouth 313, for the setting of liquid outlet 313 in 31 bottom of shell, separator 32 includes that the bracket 321 being supported in shell 31, setting exist
Mounting base 322 in bracket 321, the blade 323 for being connected to adjustable angle between bracket 321 and mounting base 322 and setting are being propped up
The adjusting component of regulating blade angle on frame 321,323 one end of blade and the hinged other end of mounting base 322 by shaft 325 with
Bracket 321 connects, and one end that shaft 325 extends to 321 outside of bracket is provided with swing rod 326；Adjusting component includes rotatably setting
Set the synchronous circle 324 on bracket 321, guidance synchronizes 324 rotation of circle synchronous with driving of guiding mechanism 328 for enclosing 324 rotations
Driving mechanism, guiding mechanism 328 include upper supporting plate 3281, lower carrier plate 3282, be threaded through upper supporting plate 3281 and lower carrier plate 3282 it
Between support shaft 3283 and be rotatably provided in the idler wheel 3284 of support shaft 3283, the wheel face of idler wheel 3284 is equipped with guide groove,
Synchronous circle 324 is rotatably inlaid in guide groove；Driving mechanism includes that the push plate 329 of 324 outer peripheral surfaces of synchronous circle is arranged in and sets
The electric pushrod on bracket 321 is set, the telescopic rod of electric pushrod is flexibly connected with push plate 329, specifically, swing rod 326 is equipped with
Bar shaped groove 3261, bar shaped groove 3261 are opened up along the length direction of swing rod 326, and being equipped on synchronous circle 324 can be logical in bar shaped
The guide pin 327 slided in slot 3261, guide pin 327 are threaded through in bar shaped groove 3261, in 324 rotation processes of synchronous circle,
Guide pin 327 slides in bar shaped groove 3261, when by the telescopic rod of electric pushrod axially movable, drive push plate 329 around
The axial rotation of synchronous circle 324 then drives synchronous 324 rotation of circle, is adjusted the angle simultaneously to multiple blades 323 with realizing, work
When,
8 one end of circulating fan is connect with shell gas outlet 312, and the other end is connect with cabinet air inlet, will be through gas-liquid separation
Steam afterwards, which is sent back in heating device 1, reheats use.
4 pairs of the material dispersing device materials for entering progress desiccation in desiccation cylinder 2 disperse, including connect with cylinder feed inlet
The motor of the feed hopper 41, the stirring blade 42 being rotatably provided in feed hopper 41 and driving stirring blade rotation that connect, stirring
Blade 41 includes the agitating shaft 421 being rotatably provided in feed hopper 41 and the helical blade that 421 lower end of agitating shaft is arranged in
422, the material for entering desiccation cylinder 2 by 42 pairs of stirring blade is stirred dispersion, prevents material from reuniting, influences desiccation effect.
Screw conveyor 7 is connect with the flapper 6 that barrel discharge hole is arranged in, and conveys the material after 2 desiccation of desiccation cylinder,
Screw conveyor 7 is common equipment in conveying equipment field, is not repeated further its structure here.
For conveying device 5 for material to be delivered in feed hopper 41, specific conveying device is belt conveyor.
A kind of biomass continous way drying process, includes the following steps:
Step 1, the superheated steam that heating device 1 will warm up 150-170 DEG C are delivered in desiccation cylinder 2, pass through air hole
Flow up the carry out heat exchange with the material to fall step by step on desiccation disk 23；
Step 2, water receiving tank 251 receives the condensed water generated in superheated steam heat and material exchange process, and passes through diversion
Cylinder 21 is discharged in pipe 252；
The superheated steam containing droplet after step 3, with material heat exchange enters steam-water separation by exhaust outlet 211 and fills
It sets and carries out gas-liquid separation in 3, the superheated steam after gas-liquid separation is reheated to pre- in the feeding heating device 1 of circulating fan 8
If after temperature, being re-fed into desiccation cylinder 2 and recycling.
Specifically, the vapor (steam) temperature that exhaust outlet 211 is discharged is 70-80 DEG C, and the moisture content of material is after desiccation in step 3
15-40%.
When work, the superheated steam after heated device 1 heats enters in desiccation cylinder 2 and flows up, and lands step by step
Material carries out heat exchange, takes away the water in material, steam after then using containing droplet be sent into water separator 3 into
After row gas-liquid separation, then steam is sent into heating device 1 by circulating fan 8 and is reheated as superheated steam, introducing desiccation cylinder 2
Interior use, drain assembly 25 are collected and superheated steam are discharged because temperature declines the condensed water being attached on barrel, prevent from influencing dry
The use of change system, superheated steam improve the bulk temperature of desiccation cylinder 2, can further carbonize to the material in desiccation cylinder 2, real
Existing heat recovery, improves drying efficiency, realizes and utilizes to the maximum of steam, plays the role of energy conservation, reduces cost, this is
Overall structure of uniting is simply, it can be achieved that the continuity desiccation of material, with heat exchanger effectiveness height, low energy consumption, resource circulation utilization, fits
The advantages that Ying Xingqiang, small occupied area, and the inlet of control steam, the inlet of material or material toggling part 24 can be passed through
Material toggling speed, the material water ratio after controlling desiccation, facilitates operation.
When water separator 3 works, the steam containing droplet enters shell 31 and passes through separator 32, the mist of different-grain diameter
It, can be in the very thin one layer of water meeting of 323 Surface Creation of blade and under blade flow, later in blade after drop is collided with blade 323
323 edges are agglomerated into the water droplet of larger particle, and water droplet separates under gravity itself with steam, collect in the bottom of shell 31
It is discharged by liquid outlet 313, guarantees that the steam gone out from water separator 3 is clean gas, reduce negative to environment bring
Face is rung, and the swirl velocity of steam can also be adjusted by adjusting the angle of blade 323, so that the effect of gas-liquid separation be made to reach
To best.
Steam containing droplet rose in constantly, had 2311 bottom surface of the first chassis, 2321 bottom surface of the second chassis
Or the collision of 21 inner wall of cylinder, it can be formed in 2311 bottom surface of the first chassis, 2321 bottom surface of the second chassis or 21 inner wall of cylinder very thin
One layer of water, the water for being formed in 2321 bottom surface of the first chassis 2311 or the second chassis under gravity can be along the first chassis
2311 or second chassis 2321 flow down, later from the first chassis 2311 or 2321 edge of the second chassis flow to barrel inner wall formed more
The water droplet of bulky grain, water droplet separate under self gravitation effect with steam, collect in water receiving tank 251, are formed in cylinder 21
The water of wall can be flowed down along 21 inner wall of cylinder, be collected in water receiving tank 251.
The foregoing is only a preferred embodiment of the present invention, therefore cannot be limited the scope of implementation of the present invention with this, i.e.,
According to equivalent changes and modifications made by scope of the present invention patent and description, it should still belong to what the invention patent covered
In range.
Claims (10)
1. a kind of continuous biomass anhydration system, it is characterised in that: including heating device, desiccation cylinder, water separator and
Circulating fan,
Heating device is used to water or steam being heated into superheated steam, including air inlet and air outlet；
Desiccation cylinder carries out drying and other treatment, including cylinder, overheat steam jetting pipe and multiple desiccation units, cylinder to the material of entrance
Top be provided with feed inlet and exhaust outlet；Overheat steam jetting pipe is arranged in cylinder, and one end and heating device gas outlet connect
It connects；Multiple desiccation unit intervals are arranged in cylinder, and bottom is provided with the desiccation disk of air hole, is rotatably provided in desiccation
The material toggling part of material is stirred on disk and the drainage arrangement that cylinder inboard wall is collected and condensed water is discharged is set, and drainage arrangement includes ring
Around cylinder inboard wall setting water receiving tank and connect the aqueduct extended to outside cylinder with water receiving tank, material from feed inlet enter, pass through
Multiple desiccation units fall step by step inversely to be contacted with the superheated steam flowed up；
Water separator is connect with exhaust outlet, carries out gas-liquid separation to the steam containing droplet come out from exhaust outlet；
Circulating fan is connected between heating device and water separator, and the steam after water separator is separated is sent to adding
Superheated steam is heated into thermal again.
2. a kind of continuous biomass anhydration system according to claim 1, it is characterised in that: the desiccation disk includes the
One desiccation disk and the second desiccation disk, the diameter of the second desiccation disk are greater than the diameter of the first desiccation disk, and the water receiving tank setting is the
On two desiccation disks.
3. a kind of continuous biomass anhydration system according to claim 2, it is characterised in that: the second desiccation Pan Bao
The second disk body for including the second chassis connecting with cylinder inboard wall and being arranged on the second chassis, the second disk body outer periphery and the second chassis
Between be formed with mounting groove for installing water receiving tank, the water receiving tank includes being arranged in mounting groove to connect with cylinder inboard wall
The connection that directing material enters the hang plate of the second disk body and is connected between bottom plate and hang plate above bottom plate is arranged in bottom plate
Plate, hang plate to close to cylinder inboard wall side tilt, be formed between the upper end and cylinder inboard wall for condensed water enter into
Water hole.
4. a kind of continuous biomass anhydration system according to claim 3, it is characterised in that: the first desiccation Pan Bao
Include the first chassis connecting with cylinder inboard wall and the first disk body being arranged on the first chassis, the outer periphery of the first disk body and first
First discharge port is formed between chassis, the diameter of second disk body is greater than the diameter of the first disk body, and material toggling part makes the first disk
Material on body flows outwardly through the top surface that first discharge port enters the second disk body, flows the material on the second disk body inwardly
The middle part of next first disk body is fallen to by the second discharge gate.
5. a kind of continuous biomass anhydration system according to claim 1 or 2 or 3 or 4, it is characterised in that: the row
Water installations further include that the drainpipe connecting on the outside of cylinder with aqueduct is arranged in and cylinder body bottom is arranged to connect with drainpipe lower end
Annular outlet pipe.
6. a kind of continuous biomass anhydration system according to claim 1 or 2 or 3 or 4, it is characterised in that: described
Stomata is up-small and down-big bellmouth.
7. a kind of continuous biomass anhydration system according to claim 1 or 2 or 3 or 4, it is characterised in that: further include
Material dispersing device, material dispersing device include the feed hopper connecting with cylinder feed inlet, are rotatably provided in feed hopper
Stirring blade and driving stirring blade rotating drive part, stirring blade include the agitating shaft being rotatably provided in feed hopper and set
Set the helical blade in agitating shaft lower end.
8. a kind of continuous biomass anhydration system according to claim 1 or 2 or 3 or 4, it is characterised in that: further include
Screw conveyor, the cylinder body bottom are provided with discharge port, and discharge outlet is connected with flapper, and screw conveyor and flapper connect
It connects.
9. a kind of biomass continous way drying process, it is characterised in that: described in any item using such as claims 1 to 9
Biomass anhydration system, includes the following steps:
Step 1, the superheated steam that heating device will warm up 150-170 DEG C are delivered in desiccation cylinder, by air hole to upstream
The dynamic carry out heat exchange with the material to fall step by step on desiccation disk, the material water ratio after making desiccation are controlled in 15-40%；
Step 2, water receiving tank receives the condensed water generated in superheated steam and material heat exchanging process, and is discharged by aqueduct
Cylinder；
The superheated steam containing droplet after step 3, with material heat exchange is entered in water separator by exhaust outlet to carry out
Gas-liquid separation, after the superheated steam after gas-liquid separation is reheated to preset temperature in circulating fan feeding heating device, then
It is sent into desiccation cylinder and recycles.
10. a kind of biomass continous way drying process according to claim 9, it is characterised in that: in the step 3, row
The vapor (steam) temperature of port discharge is 70-80 DEG C.
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| CN110498588B (en) | 2023-07-25 |
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