CN206478654U - A kind of abraum salt annealing device - Google Patents
A kind of abraum salt annealing device Download PDFInfo
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- CN206478654U CN206478654U CN201621459466.9U CN201621459466U CN206478654U CN 206478654 U CN206478654 U CN 206478654U CN 201621459466 U CN201621459466 U CN 201621459466U CN 206478654 U CN206478654 U CN 206478654U
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- scraper
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Abstract
The utility model discloses a kind of abraum salt annealing device, including fluid bed preheat drier, crushing separation tower, drying tower, turbulent bed heating incinerator and fast fluidization calcining bed.The utility model has advantages below compared with prior art：Heat stepwise heats up, and the kinetic energy and heat energy capacity usage ratio for comprehensively utilizing flue gas are high；Drying tower salt grain and smoke contacts time are long, and heat exchange is abundant, and organic matter removal effect is good；Plough shape scraper stir-fries repeatedly fully exposes the organic matter in salt grain, material treatment effect stable uniform；It is aqueous in flue gas, tie up organic object location, better processing effect；Turbulent bed heating incinerator heating-up temperature is stable and the residence time is long, enables to processing more abundant.
Description
Technical field
The utility model is related to abraum salt application technology as the second resource field, more particularly to a kind of abraum salt annealing device.
Background technology
Contain substantial amounts of organic or inorganic impurity in industrial waste salt simultaneously, it is impossible to be directly used as raw material of industry salt, can not
For edible or medical, most of producer stores away its heap.This salt stores up not only a large amount of occupied grounds for a long time, also to environment
Constitute grave danger, salt and impurity is easily lost in, salinization surrounding soil jeopardizes vegetation around, at the same to rivers around, water source,
Rice field etc. is polluted.Therefore, using suitable technique and equipment, recycle this industrial waste salt and make industrial raw material salt, no
Pollution can be only eliminated, the salt resource of preciousness is made full use of, can also be produced a profit for producer.So recycling salt resource tool
There are huge social benefit and good economic benefit.
The removal of organic impurities in industrial waste salt is generally thermally dried processing.Need abraum salt being heated to very
High temperature, to ensure to allow organic matter decomposition as much as possible or vaporization, but the abraum salt of particle refinement is in heating process
Easily melt, once dissolving, will occur serious caking phenomenon, have a strong impact on follow-up process step.Temperature
What is controlled is too low, and effective organic matter removal effect is unable to reach again, therefore how to improve heating temperature as far as possible in the process
Degree, the problem of stable uniform for ensureing heating-up temperature again is particularly significant.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art that there is provided a kind of abraum salt annealing device.
The utility model is achieved through the following technical solutions：A kind of abraum salt annealing device, including fluid bed preheat
Drier and crushing separation tower, it is characterised in that：Also include drying tower, the outlet of the crushing separation tower passes through the first whirlwind point
It is connected from device with drying tower material inlet, sieve plate is provided with the drying tower, scraper, institute is provided with above the sieve plate
The motor shaft for stating motor of the scraper by runing rest with being arranged above drying tower is connected, and drying tower air outlet slit passes through
Sack cleaner is connected with negative-pressure air fan, and the exhanst gas outlet of burner is connected with drying tower air intlet, the air draft of negative-pressure air fan
Mouth is connected with burner.
As further improvement of these options, the runing rest directly connects including knowing with motor shaft for being vertically arranged
The transmission shaft lever connect and the hack lever protruded horizontally up by transmission shaft lever surface, the scraper are arranged on below hack lever, the blade of scraper
The angle of the axis direction of direction and hack lever is 15~60 °.
As further improvement of these options, the scraper is plough shape.
As further improvement of these options, the hack lever is provided with more than one, and the hack lever is symmetricly set in
Around transmission shaft lever, the scraper set on hack lever has two kinds, outer push broach and it is interior copy knife, the blade face of outer push broach is towards sieve plate
Periphery, inside copies the blade face of knife towards the center of sieve plate, outer push broach is respectively arranged on different hack levers from interior knife of copying.
As further improvement of these options, the drying tower material outlet heats the material of incinerator with turbulent bed
Import is connected, and is divided into dilute-phase zone and emulsion zone in turbulent bed heating incinerator, emulsion zone below dilute-phase zone, emulsion zone
Cross-sectional area is less than the cross-sectional area of dilute-phase zone, and turbulent air import is set in emulsion zone bottom, is provided with dilute-phase zone double
Level cyclones in series, the import of the double stage tandem cyclone is directly toward in dilute-phase zone open, double stage tandem whirlwind point
Air outlet slit from device is connected with the gas phase import of air intlet and fluid bed preheat drier with crushing separation tower
As further improvement of these options, the discharging opening for heating incinerator in the turbulent bed is connected with quick stream
Change calcining bed, the outlet of the fast fluidization calcining bed is connected by finished product cyclone separator with finished product bin.
As further improvement of these options, air outlet slit and the turbulent air import of finished product cyclone separator connect
Connect.
As further improvement of these options, the fluid bed preheat drier is set close to the crushing separation tower
Put, the solid-phase outlet and gaseous phase outlet of the fluid bed preheat drier are connected with crushing the tower body inner chamber of separation tower.
As further improvement of these options, the tangential direction that separation tower air intlet is arranged at its tower wall is crushed,
Be additionally provided with broken blade in the tower for crushing separation tower, the level height of broken blade between air intlet level height and
Between the level height of fluid bed preheat drier solid-phase outlet.
As further improvement of these options, it is provided with four layers of sieve plate, every layer of sieve plate and is respectively provided with drying tower
There are the sieve aperture position staggered designs on scraper, adjacent two pieces of sieve plates.
The utility model has advantages below compared with prior art：Heat stepwise heat up, comprehensively utilize flue gas kinetic energy with
Heat energy capacity usage ratio is high；Drying tower salt grain and smoke contacts time are long, and heat exchange is abundant, and organic matter removal effect is good；Plough shape is scraped
Knife stir-fries repeatedly fully exposes the organic matter in salt grain, material treatment effect stable uniform；It is aqueous in flue gas, tie up organic matter
Position, better processing effect；Turbulent bed heating incinerator heating-up temperature is stable and the residence time is long, enables to processing more to fill
Point.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is fluid bed preheat drier and the structural representation for crushing separation tower.
Fig. 3 is drying tower structural representation.
Fig. 4 is sieve plate and blade construction schematic diagram.
Fig. 5 is the structural representation that turbulent bed heats incinerator.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but protection domain of the present utility model is not limited
In following embodiments.
A kind of abraum salt annealing device, including fluid bed preheat drier 1 and crushing separation tower 2, it is characterised in that：Also wrap
Drying tower 5 is included, the outlet for crushing separation tower 2 is connected by the first cyclone separator 3 with intermediate bunker 4, intermediate bunker 4
Sieve plate 54 is provided with outlet connection drying tower material inlet 501, the drying tower 5, is provided with the top of the sieve plate 54
Scraper 56, the scraper 56 is connected by runing rest with the motor shaft for the motor 58 for being arranged at the top of drying tower 5, is dried
Tower air outlet slit 504 is connected by sack cleaner 51 with negative-pressure air fan 52, exhanst gas outlet and the drying tower air of burner 53
Import 503 is connected.The organic matter contained in abraum salt needs, to the uniform heating of salt grain, to make its temperature uniformly can in removal process
Organic matter is enough set to decompose or volatilize, but salt grain is lumpd in heating process Yi Dan generation overtemperature with regard to melt backization, by organic matter
Embed into salt block, intractability is higher.Salt grain can be heated in advance by fluid bed preheat drier 1 and crushing separation tower 2,
Make salt grain gradually be heated, and the salt grain bonded by organic matter be crushed into appropriate particle size to be re-fed into drying tower 5.Salt grain passes through drying
Tower material inlet 501 enters in drying tower 5, and the high-temperature flue gas contact heat-exchanging sent during whereabouts with burner 53 makes
The organic matter wherein contained is carried over after entering gas phase.For increase salt grain and the time of contact of high-temperature flue gas, sieve plate 54 is set to make
Salt grain is stopped during whereabouts, then is fallen again by the sieve aperture 55 on sieve plate 54.By setting sieve plate 54 to break rising
Laminar condition of the flue gas in flow process so that distribution of the heat on same section is more uniform.Scraper plate is in rotation simultaneously
Ceaselessly stir salt grain under the drive of support, sieve plate 542 absorb after the heat of flue gas can with salt grain direct contact heat transfer, it is similar
It is different in frying pan to stir baking material so that drying effect is lifted.Salt grain after processing is by the row of drying tower material outlet 502
Go out.The exhaust outlet of negative-pressure air fan 523 is connected with burner 537.Oxidizable component is in drying tower 51 in organic matter in abraum salt
It is interior to be oxidized decomposition, but some are difficult oxidized component and can taken away with gas phase by negative-pressure air fan 523, directly discharge
Secondary pollution can be caused, being passed into the scheme burned in burner 537 can be effectively by the innoxious place of this partial organic substances
Put.The vapor that organic matter burning simultaneously is produced can replace the organic matter atmosphere on salt grain surface, because the parent of water and salt grain
It is high with property ratio organic matter, so by tying up the position of organic matter, force its quick separating.
What runing rest included being vertically arranged knows the transmission shaft lever 572 that is directly connected to motor shaft and by transmission shaft lever 572
The hack lever 571 that surface is protruded horizontally up, scraper 56 is arranged on the lower section of hack lever 571, the blade direction of scraper 56 and the axis of hack lever 571
The angle in direction is 15~60 °.Between scraper 56 and hack lever 571 angle set can by the salt grain on sieve plate 54 towards periphery or
Person center is promoted, and can smoothly be fallen by sieve aperture 55.
Scraper 56 is plough shape.The scraper 56 of plough shape can stir salt grain along during radial push salt grain, make salt grain
Organic matter inside heap enters gas phase faster.
Hack lever 571 is provided with more than one, and hack lever 571 is symmetricly set in around transmission shaft lever 572, is set on hack lever 571
The scraper 56 put has two kinds, outer push broach and it is interior copy knife, the blade face of outer push broach inside copies the blade face of knife towards the periphery of sieve plate 54
Towards the center of sieve plate 54, outer push broach is respectively arranged on different hack levers 571 from interior knife of copying.Symmetrically arranged hack lever 57142
Ensure that the tower body of drying tower 5 when rotated can not shake, and outer push broach and interior knife of copying can stir-fry salt grain repeatedly,
Salt grain is had sufficient chance and sieve plate 54 and flue gas heat exchange, while ensureing that paving of the salt grain on sieve plate 54 dissipates uniform, make salt grain
Residence time in drying tower 5 is impartial.
The material inlet that the drying tower material outlet 502 heats incinerator 6 with turbulent bed is connected, the turbulent bed heating
It is divided into dilute-phase zone 61 and emulsion zone 62 in incinerator 6, emulsion zone 62 is below dilute-phase zone 61, and the cross-sectional area of emulsion zone 62 is less than
The cross-sectional area of dilute-phase zone 61, sets turbulent air import 63 in the bottom of emulsion zone 62, twin-stage string is provided with dilute-phase zone 61
Join cyclone separator 64, the import of the double stage tandem cyclone is directly toward in dilute-phase zone 61 open, double stage tandem whirlwind point
Air outlet slit from device 64 is connected with the gas phase import of air intlet and fluid bed preheat drier 1 with crushing separation tower 2.It is double
The material outlet of level cyclones in series 64 is inserted directly into emulsion zone 62 by pipeline.Directly by double stage tandem cyclonic separation
Device 64 is directly arranged in dilute-phase zone 61 the returning charge system that constitutes, and sends the material in dilute-phase zone 61 back to emulsion zone 62, one side energy
Enough reduce the floor space of equipment, simultaneously because without peripheral hardware material-returning device, being scattered and disappeared without extra temperature, burn fluidized bed heating
More preferably, its internal temperature is more uniformed the heat insulation effect of burner so that salt grain is more easy to close to and no more than fusing point by thermally-stabilised
Temperature.The import of double stage tandem cyclone is directly toward in dilute-phase zone 61 and opened simultaneously, does not result in the deviation flowing of air-flow, makes
The state obtained in turbulent bed heating incinerator 6 is more stablized.
The discharging opening for heating incinerator 6 in the turbulent bed is connected with fast fluidization calcining bed 7, the fast fluidization calcining
The outlet of bed 7 is connected by finished product cyclone separator 8 with finished product bin 9.The air outlet slit of finished product cyclone separator 8 is empty with turbulent flow
Gas import is connected.High-temperature flue gas of the temperature rich in oxygen more than 800 DEG C is passed through in fast fluidization calcining bed 7, is quickly being flowed
Change calcining bed 7 in salt grain flowed with flue gas into the mode of plug flow, the time of contact of flue gas and salt grain is short, salt grain surface some
The organic matter that hardly possible is removed can be removed by high temperature incineration, simultaneously because time of contact is short, and salt grain is in dispersity
Salt grain fusing caking is not resulted in.High-temperature flue gas is reduced with temperature after salt grain heat exchange, is just adapted to burn in turbulent bed bed heating
Used in device.Energy utilization efficiency is high.
The fluid bed preheat drier 1 is set close to the crushing separation tower 2, the fluid bed preheat drier 1
Solid-phase outlet 11 and gaseous phase outlet 12 are connected with crushing the tower body inner chamber of separation tower 2.Under normal circumstances, fluid bed preheat is dried
The gas phase of device 1 and solid phase meeting separate collection processing, beneficial to separation.But it is together passed through in cracking and sorting tower in this programme,
On the one hand the time of contact of two-phase can be extended, makes full use of energy, on the other hand also increase what is be passed through in cracking and sorting tower
Tolerance so that salt grain can more easily float, reduces the flue gas flow that cracking and sorting tower needs.It is high in cracking and sorting tower
Warm flue gas is from crushing after the entrance of separation tower air intlet 2, and its heat energy brought into is used to heat salt grain, and kinetic energy is used to blow afloat transport salt
Grain.The heat energy that flue gas is brought under normal circumstances is excessive, it is impossible to make full use of, and supplements kinetic energy by such scheme, has saved use
Tolerance.
The tangential direction that separation tower air intlet 22 is arranged at its tower wall is crushed, is also set up in the tower for crushing separation tower 2
There is broken blade 21, the level height of broken blade 21 is pre- between the level height and fluid bed for crushing separation tower air intlet 22
Between the level height of heat drier solid-phase outlet 11.Material in fluid bed preheat drier 1 is fallen into after crushing separation tower 2,
It can be broken after blade 21 is broken up and be scattered in tower intracavitary, under the drive of quick Tangential Wind, scattered salt grain meeting spiral is upward
Motion, the less salt grain of particle can enter the first cyclone separator 3, and the larger salt grain of particle and tower from the outlet of tower top
Kinetic energy rejection is larger after interior wall friction, eventually falls again, is contacted again with broken blade 21, is broken into little particle, repeats
Spiral and the motion fallen, until can be escaped from tower top.Because the salt grain of bulky grain is entirely because organic matter
What adhesion was caused, and it is to be most difficult to vaporize the part separated to be mixed in intragranular organic matter, by such scheme so that
The particle of adhesion can be crushed, and internal organic matter is exposed so that the effect of drying process reaches most preferably；Simultaneously
In such design, additionally it is possible to targetedly by salt grain processing to suitably sized, beneficial to subsequent treatment.
It is provided with drying tower 5 on four layers of sieve plate 54, every layer of sieve plate 54 and is provided with scraper 56.Multiple sieve plate 54 is set
Meter can greatly prolong residence time of the salt grain in drying tower 5, and the heating to salt grain is abundant, the abraum salt that can be allowed after handling
The middle content of organic matter is substantially reduced, while making salt grain temperature higher, beneficial to follow-up further processing.On adjacent two pieces of sieve plates 54
The position staggered designs of sieve aperture 55.Such design ensure that residence time of all salt grains in tower is impartial, make
Treated salt grain quality is homogeneous, adapts to the demand of large-scale production.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of abraum salt annealing device, including fluid bed preheat drier and crushing separation tower, it is characterised in that：Also include dry
Dry tower, the outlet of the crushing separation tower is connected by the first cyclone separator with drying tower material inlet, in the drying tower
Sieve plate is provided with, scraper is provided with above the sieve plate, the scraper is by runing rest and is arranged above drying tower
Motor motor shaft connection, drying tower air outlet slit is connected by sack cleaner with negative-pressure air fan, the cigarette of burner
Gas outlet is connected with drying tower air intlet, and the exhaust outlet of negative-pressure air fan is connected with burner.
2. a kind of abraum salt annealing device as claimed in claim 1, it is characterised in that：The runing rest includes what is be vertically arranged
The transmission shaft lever being directly connected to and the hack lever protruded horizontally up by transmission shaft lever surface are known with motor shaft, the scraper is arranged on hack lever
The angle of lower section, the blade direction of scraper and the axis direction of hack lever is 15~60 °.
3. a kind of abraum salt annealing device as claimed in claim 2, it is characterised in that：The scraper is plough shape.
4. a kind of abraum salt annealing device as claimed in claim 2, it is characterised in that：The hack lever is provided with more than one, institute
State hack lever to be symmetricly set in around transmission shaft lever, the scraper set on hack lever has two kinds, outer push broach and it is interior copy knife, outer push broach
Blade face inside copies the blade face of knife towards the center of sieve plate, outer push broach is respectively arranged at not with interior knife of copying towards the periphery of sieve plate
On same hack lever.
5. a kind of abraum salt annealing device as claimed in claim 1, it is characterised in that：The drying tower material outlet and turbulent bed
Heat in the material inlet connection of incinerator, the turbulent bed heating incinerator and be divided into dilute-phase zone and emulsion zone, emulsion zone is dilute
Below phase region, the cross-sectional area of emulsion zone is less than the cross-sectional area of dilute-phase zone, and turbulent air import is set in emulsion zone bottom,
Double stage tandem cyclone separator is provided with dilute-phase zone, the import of the double stage tandem cyclone, which is directly toward in dilute-phase zone, opens
Put, the air outlet slit of double stage tandem cyclone separator and the gas with the air intlet and fluid bed preheat drier of crushing separation tower
Phase import is connected.
6. a kind of abraum salt annealing device as claimed in claim 5, it is characterised in that：Going out for incinerator is heated in the turbulent bed
Material mouth is connected with fast fluidization calcining bed, and the outlet of the fast fluidization calcining bed passes through finished product cyclone separator and finished product bin
Connection.
7. a kind of abraum salt annealing device as claimed in claim 6, it is characterised in that：The air outlet slit of finished product cyclone separator with
Turbulent air import is connected.
8. a kind of abraum salt annealing device as claimed in claim 1, it is characterised in that：The fluid bed preheat drier is close to institute
State crushing separation tower to set, the tower body of the solid-phase outlet and gaseous phase outlet of the fluid bed preheat drier with crushing separation tower
Inner chamber is connected.
9. a kind of abraum salt annealing device as claimed in claim 1, it is characterised in that：Crush separation tower air intlet and be arranged at it
The tangential direction of tower wall, is additionally provided with broken blade, the level height of broken blade is between air in the tower for crushing separation tower
Between the level height of import and the level height of fluid bed preheat drier solid-phase outlet.
10. a kind of abraum salt annealing device as claimed in claim 1, it is characterised in that：Four layers of sieve plate are provided with drying tower,
The sieve aperture position staggered designs on scraper, adjacent two pieces of sieve plates are provided with every layer of sieve plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459466.9U CN206478654U (en) | 2016-12-29 | 2016-12-29 | A kind of abraum salt annealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459466.9U CN206478654U (en) | 2016-12-29 | 2016-12-29 | A kind of abraum salt annealing device |
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| CN206478654U true CN206478654U (en) | 2017-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765204A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt annealing device |
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2016
- 2016-12-29 CN CN201621459466.9U patent/CN206478654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765204A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt annealing device |
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