CN107178988B - A kind of Fluorspar Powder recovery system - Google Patents
A kind of Fluorspar Powder recovery system Download PDFInfo
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- CN107178988B CN107178988B CN201710432820.1A CN201710432820A CN107178988B CN 107178988 B CN107178988 B CN 107178988B CN 201710432820 A CN201710432820 A CN 201710432820A CN 107178988 B CN107178988 B CN 107178988B
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- dust fall
- furnace body
- mouth
- fluorspar powder
- inner shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/30—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors
- F26B17/34—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors the movement being in a vertical or steeply inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of Fluorspar Powder recovery systems, including smoke-intake pipe, baking powder furnace, cyclone separator, preceding bag filter, air inducing blower and the chimney being sequentially communicated；It further include a dust fall conveying device, the dust fall conveying device includes dust fall conveyer belt and the dust fall pipe that is arranged in below dust fall conveyer belt output end, and cyclone separator bottom is equipped with the first dust fall mouth, dust fall mouth before preceding bag filter bottom is equipped with second；Dust fall mouth is in above dust fall conveyer belt before first dust fall mouth and second, and the first dust fall mouth is equipped with the first on-off valve, on-off valve before dust fall mouth is equipped with second before second.The beneficial effects of the present invention are: the recycling of Fluorspar Powder can be carried out effectively, level is abundant, can be recycled Fluorspar Powder with classifying type, can directly bulky grain Fluorspar Powder be retained and be ensured the collection of fine particle Fluorspar Powder, and collection rate is high, and collecting effect is good.
Description
Technical field
The invention belongs to Fluorspar Powder recovery technology field more particularly to a kind of Fluorspar Powder recovery systems.
Background technique
Fluorspar Powder, also known as fluorite, fluorite, fluorspar powder.It is a kind of mineral, and isometric system, main component is calcirm-fluoride.
One important use of fluorite is production hydrofluoric acid.Hydrofluoric acid be by sour grade fluorite (fluorite concentrate) with sulfuric acid in heating furnace or
It reacts and generates in tank, divide anhydrous hydrofluoric acid and have water hydrofluoric acid, they are all a kind of colourless liquids, it is volatile, have
Strong impulse smell and strong corrosivity.It is the various organic critical materials with inorganic fluoride and fluorine element of production.
And in process of production, burner discharge " flue gas " (air-flow) it is inner, still can contain a large amount of Fluorspar Powders, the flue gas need by
Processing, Lai Huishou Fluorspar Powder, while avoiding Fluorspar Powder from directly largely discharging and causing to put pollution environment.At present in carrying out flue gas
Fluorspar Powder processing when, rely primarily on water spray, allow Fluorspar Powder with water in conjunction with, then dry and obtain the mode of Fluorspar Powder.It should
Although kind of mode is able to achieve a degree of processing and recycling, but the rate of recovery, in terms of, be still lacking (first
It first cannot ensure that most Fluorspar Powders are all left by water with water spray, still suffer from many Fluorspar Powders and be expelled directly out, secondly dry
During dry, tiny Fluorspar Powder together " can float " with gases such as aqueous vapors).
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of time that can effectively carry out Fluorspar Powder
It receives, level is abundant, can recycle Fluorspar Powder with classifying type, can directly bulky grain Fluorspar Powder be retained and be protected
Hinder the collection of fine particle Fluorspar Powder, collection rate is high, the good Fluorspar Powder recovery system of collecting effect.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of Fluorspar Powder recovery system, including
Smoke-intake pipe, baking powder furnace, cyclone separator, preceding bag filter, air inducing blower and the chimney being sequentially communicated；
It further include a dust fall conveying device, the dust fall conveying device includes dust fall conveyer belt and is arranged in dust fall conveyer belt
Dust fall pipe below output end, cyclone separator bottom are equipped with the first dust fall mouth, and preceding bag filter bottom is fallen before being equipped with second
Dirt mouth；
Dust fall mouth is in above dust fall conveyer belt before first dust fall mouth and second, and the first dust fall mouth is equipped with the first on-off
Valve, on-off valve before dust fall mouth is equipped with second before second.
Preferably, being equipped with rear bag filter, rear bag filter between the preceding bag filter and air inducing blower
Dust fall mouth after bottom is equipped with second, dust fall mouth is in above dust fall conveyer belt after second, after dust fall mouth is equipped with second after second
On-off valve.
Preferably, the heater for drying powder furnace and including furnace body and being arranged on furnace body, furnace body is cylindrical, furnace body axis
Line is horizontal, and furnace body input end is connected to smoke-intake pipe, and bottom of furnace body is equipped with discharge port and the shutter door for sealing discharge port.
Preferably, the furnace body is equipped with the turning motor for driving furnace body to rotate, furnace body and support arm rotation connect
It connects, support arm is fixed with ground, and smoke-intake pipe is coaxially arranged with furnace body, and furnace body input end is equipped with sealing plate, and sealing plate seals furnace body import
End, smoke-intake pipe pass through sealing plate, and smoke-intake pipe and sealing plate rotary seal cooperate, and furnace body outlet end is equipped with sealing cover, and sealing cover seals furnace body and goes out
Mouth end, rotary seal cooperates between furnace body and sealing cover, and sealing cover is connected to by the first fume pipe with cyclone separator air intake.
Preferably, the furnace body is equipped with the inner shaft that can be rotated along furnace body axis, inner shaft is coaxially arranged with furnace body, inner shaft
Across sealing cover, inner shaft one end is in outside furnace body, and the inner shaft other end is in furnace body, and inner shaft and sealing cover rotary seal cooperate, inner shaft
Several bridges extended to bottom of furnace body are equipped with, the driving lever item contacted with inboard wall of furnace body is equipped in furnace body, driving lever item connects institute
There is the bottom of bridge.
Preferably, the furnace body is externally provided with for driving inner shaft along the driving mechanism moved back and forth along furnace body axis, drive
Motivation structure includes that the first fixing seat, the second fixing seat, eccentric rod, the turntable being rotatablely connected with the first fixing seat and second are fixed
The sideslip bar that slide is slidably matched and the driving cylinder for driving horizontal sliding bar, eccentric rod one end and turntable are hinged, eccentric
The bar other end and sideslip bar are hinged, and turntable is coaxially connected with inner shaft, and the piston rod of cylinder is driven to connect with sideslip bar.
Preferably, the piston rod of the driving cylinder turns in the process that shrinkage limit position reaches extreme position
Disk corotation crosses 60 degree of angles.
Preferably, the bridge includes with the frame base of interior axis connection, the slide bar being slidably connected with frame base and setting in cunning
Spring on bar, in a bridge: spring one end connection frame base, the spring other end connect slide bar, and slide bar connects driving lever item, sliding
Bar glide direction is perpendicular to inner shaft axis.
The beneficial effects of the present invention are: the recycling of Fluorspar Powder can be carried out effectively, level is abundant, can be with classifying type by Fluorspar Powder
It is recycled, can directly bulky grain Fluorspar Powder be retained and be ensured the collection of fine particle Fluorspar Powder, collection rate
Height, collecting effect are good.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in the embodiment of the present invention 2 at furnace body；
Fig. 4 is the structural schematic diagram in the embodiment of the present invention 2 at driving mechanism；
Fig. 5 is the enlarged drawing in Fig. 3 at B.
In figure: smoke-intake pipe 1, dry powder furnace 2, furnace body 21, shutter door 211, sealing plate 212, sealing cover 213, inner shaft 22, bridge 23,
Driving lever item 24, frame base 231, slide bar 232, spring 233, cyclone separator 3, the first dust fall mouth 31, preceding bag filter 4, second
Preceding dust fall mouth 41, air inducing blower 5, chimney 51, dust fall conveying device 6, dust fall conveyer belt 61, dust fall pipe 62, rear bag filter
7, dust fall mouth 71, driving mechanism 8, the second fixing seat 81, eccentric rod 82, turntable 83, sideslip bar 84, driving cylinder 85 after second.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1: as shown in Fig. 1 to Fig. 2, a kind of Fluorspar Powder recovery system, including
Smoke-intake pipe 1, baking powder furnace 2, cyclone separator 3, preceding bag filter 4, air inducing blower 5 and the chimney being sequentially communicated
51, the bore for drying the furnace internal channel of powder furnace is 2 to 50 times of smoke-intake pipe bore；
It further include a dust fall conveying device 6, the dust fall conveying device includes that dust fall conveyer belt 61 and setting are defeated in dust fall
The dust fall pipe 62 below with output end is sent, cyclone separator bottom is equipped with the first dust fall mouth 31, and preceding bag filter bottom is equipped with
Dust fall mouth 41 before second；
Dust fall mouth is in above dust fall conveyer belt before first dust fall mouth and second, and the first dust fall mouth is equipped with the first on-off
Valve, on-off valve before dust fall mouth is equipped with second before second.
Rear bag filter 7 is equipped between the preceding bag filter and air inducing blower, rear bag filter bottom is equipped with
Dust fall mouth 71 after second, dust fall mouth is in above dust fall conveyer belt after second, on-off valve after dust fall mouth is equipped with second after second.
Multiple bag filters can further promote collecting effect.On-off valve is at the beginning after on-off valve, second before first on-off valve, second
Can close, wait cyclone separators, added up a certain amount of Fluorspar Powder in each bag filter after open (restart at this time again
Dust fall conveyer belt), thus do not have to that dust fall conveyer belt is allowed to have been at working condition, it is more energy-efficient.
Air-flow with Fluorspar Powder enters from smoke-intake pipe dries powder furnace, and the relative aperture smoke-intake pipe bore due to drying powder furnace will be very much not
Few (this belongs to common knowledge) can advance together with air-flow originally so air velocity reduces and enter the big of subsequent pipeline
Particle Fluorspar Powder will be fallen drying in powder furnace, and be heated, removed moisture removal, to become the fluorite that can be recycled
Powder.And little particle Fluorspar Powder can also still continue to advance with air-flow, after entering cyclone separator, be separated further, point
Separating out the Fluorspar Powder come can fall on dust fall conveyer belt from the first dust fall mouth.Air-flow can also be using cloth after leaving cyclone separator
Bag dust collector also separates the Fluorspar Powder of molecule, and dust fall mouth is fallen on dust fall conveyer belt before second.It is all
Fluorspar Powder on dust fall conveyer belt can all be transported to dust fall pipe to be recycled.
Embodiment 2: the basic structure and embodiment of the present embodiment are same to apply example 1, the difference is that, such as Fig. 3 to Fig. 5
Shown in, the heater for drying powder furnace and including furnace body 21 and being arranged on furnace body, furnace body is cylindrical, furnace body axis horizontal,
Furnace body input end is connected to smoke-intake pipe, and bottom of furnace body is equipped with discharge port and the shutter door 211 for sealing discharge port.Originally from baking
In powder furnace when recycling Fluorspar Powder, needs to open furnace body, then Fluorspar Powder is scraped or taken out with tool.In the present embodiment, only
It to be placed below discharge port recyclable device (such as recycling bin), directly shutter door is opened, Fluorspar Powder is allowed to fall.
The furnace body is equipped with the turning motor for driving furnace body to rotate, and furnace body and support arm are rotatablely connected, support arm
It is fixed with ground, smoke-intake pipe is coaxially arranged with furnace body, and furnace body input end is equipped with sealing plate 212, and sealing plate seals furnace body input end, into cigarette
Pipe cooperates across sealing plate, smoke-intake pipe and sealing plate rotary seal, and furnace body outlet end is equipped with sealing cover 213, and sealing cover seals furnace body outlet end,
Rotary seal cooperates between furnace body and sealing cover, is connected to inside sealing cover with furnace interior, and sealing cover passes through the first fume pipe and whirlwind point
It is connected to from device air intake.When the intracorporal bulky grain Fluorspar Powder of furnace is heated drying, in addition to air heat transfer other than, inboard wall of furnace body it is direct
Heat transfer also functions to apparent effect.Once furnace body can rotate, then entire inboard wall of furnace body can be utilized, thus and furnace body
Interior bulky grain Fluorspar Powder is contacted, and (due to gravity, Fluorspar Powder can have been at lower part in furnace body, but furnace body can constantly turn
It is dynamic), so as to more comprehensively, more efficiently be heated to bulky grain Fluorspar Powder in furnace body.
The furnace body is equipped with the inner shaft 22 that can be rotated along furnace body axis, and inner shaft is coaxially arranged with furnace body, and inner shaft passes through envelope
Cover, inner shaft one end are in outside furnace body, and the inner shaft other end is in furnace body, and inner shaft and sealing cover rotary seal cooperate, and inner shaft is equipped with
Several bridges 23 extended to bottom of furnace body, furnace body is interior to be equipped with the driving lever item 24 contacted with inboard wall of furnace body, and the connection of driving lever item is all
The bottom of bridge.Inner shaft rotates, and bridge, driving lever item can be driven to rotate together, so that driving lever item can scrape inboard wall of furnace body,
Thus prevent bulky grain Fluorspar Powder freezing of a furnace (with inboard wall of furnace body adhesion).
The furnace body is externally provided with for driving inner shaft along the driving mechanism 8 moved back and forth along furnace body axis, driving mechanism packet
The first fixing seat is included, the second fixing seat 81, eccentric rod 82, fixes and slides with the turntable 83 of the first fixing seat rotation connection and second
The sideslip bar 84 that seat is slidably matched and the driving cylinder 85 for driving horizontal sliding bar, eccentric rod one end and turntable are hinged, partially
The core bar other end and sideslip bar are hinged, and turntable is coaxially connected with inner shaft, and the piston rod of cylinder is driven to connect with sideslip bar.Turntable shaft
Line is parallel with respect to the pivot center of turntable with eccentric rod and separates.
For the piston rod of the driving cylinder in the process that shrinkage limit position reaches extreme position, turntable corotation crosses 60
Spend angle.
Driving cylinder drives sideslip bar to slidably reciprocate, to drive turntable to rotate by eccentric rod, due to driving cylinder
It is to move back and forth, and " drive the piston rod of cylinder in the process that shrinkage limit position reaches extreme position, turntable corotation
Cross 60 degree of angles ", so eccentric rod only will drive driving lever bottom in furnace body and scrape back and forth, rather than Circling type scrapes.The program
Advantage be: due to gravity, bulky grain Fluorspar Powder all rests on bottom in furnace body, thus driving lever in furnace body bottom come
Return and scrape and can remove " idle stroke " from, thus in the furnace body that constantly fiddles with bottom bulky grain Fluorspar Powder, allow bulky grain fluorite
Powder can quickly be spread out, and constantly stir so that it is more contacted inboard wall of furnace body (inboard wall of furnace body is also high temperature, and heat can be straight
Connect and pass to adherent Fluorspar Powder, accelerate drying rate), to greatly promote drying efficiency, (otherwise a pile Fluorspar Powder can only
Whole heated, drying efficiency is relatively low).In addition, bulky grain Fluorspar Powder all rests on bottom in furnace body, freezing of a furnace is also to send out substantially
The raw bottom in furnace body, so only the bottom in furnace body scrapes driving lever back and forth, can at the first time, wipe off to higher frequency will
The Fluorspar Powder being bonded on inboard wall of furnace body, preferably avoids freezing of a furnace.And Circling type scrapes, effect of stirring is poor (to turn around
It stirs primary, and bottom Fluorspar Powder can be taken to eminence, again in conjunction with the moisture in air-flow, influence whole dry and imitate
Fruit).
The bridge includes the slide bar 232 being slidably connected with the frame base 231 of interior axis connection and frame base and is arranged on slide bar
Spring 233, in a bridge: spring one end connection frame base, the spring other end connect slide bar, and slide bar connects driving lever item, sliding
Bar glide direction is perpendicular to inner shaft axis.Driving lever item can float, and can avoid stuck, and adaptive adjustment capability is more preferably.
Claims (5)
1. a kind of Fluorspar Powder recovery system, characterized in that including
Smoke-intake pipe, baking powder furnace, cyclone separator, preceding bag filter, air inducing blower and the chimney being sequentially communicated；
It further include a dust fall conveying device, the dust fall conveying device includes that dust fall conveyer belt and setting are exported in dust fall conveyer belt
The dust fall pipe of lower section is held, cyclone separator bottom is equipped with the first dust fall mouth, dust fall mouth before preceding bag filter bottom is equipped with second；
Dust fall mouth is in above dust fall conveyer belt before first dust fall mouth and second, and the first dust fall mouth is equipped with the first on-off valve,
On-off valve before dust fall mouth is equipped with second before second；
Described to dry the powder furnace heater that includes furnace body and be arranged on furnace body, furnace body is cylindrical, furnace body axis horizontal, furnace body into
Mouth end is connected to smoke-intake pipe, and bottom of furnace body is equipped with discharge port and the shutter door for sealing discharge port；
The furnace body is equipped with the inner shaft that can be rotated along furnace body axis, and inner shaft is coaxially arranged with furnace body, and inner shaft passes through sealing cover, inner shaft
One end is in outside furnace body, and the inner shaft other end is in furnace body, and inner shaft and sealing cover rotary seal cooperate, and inner shaft is equipped with several to furnace
The bridge that body bottom extends, furnace body is interior to be equipped with the driving lever item contacted with inboard wall of furnace body, and driving lever item connects the bottom of all bridges；
The bridge includes the slide bar being slidably connected with the frame base of interior axis connection, with frame base and the spring being arranged on slide bar,
In one bridge: spring one end connection frame base, the spring other end connect slide bar, and slide bar connects driving lever item, and sliding bar direction is hung down
Directly in inner shaft axis.
2. a kind of Fluorspar Powder recovery system according to claim 1, characterized in that the preceding bag filter and air inducing wind
Rear bag filter is equipped between machine, dust fall mouth after rear bag filter bottom is equipped with second, dust fall mouth is in dust fall after second
Above conveyer belt, on-off valve after dust fall mouth is equipped with second after second.
3. a kind of Fluorspar Powder recovery system according to claim 1, characterized in that the furnace body is equipped with for driving furnace
The turning motor of body rotation, furnace body and support arm are rotatablely connected, and support arm is fixed with ground, and smoke-intake pipe is coaxially arranged with furnace body,
Furnace body input end is equipped with sealing plate, and sealing plate seals furnace body input end, and smoke-intake pipe passes through sealing plate, and smoke-intake pipe is matched with sealing plate rotary seal
It closes, furnace body outlet end is equipped with sealing cover, and sealing cover seals furnace body outlet end, and rotary seal cooperates between furnace body and sealing cover, and sealing cover passes through
First fume pipe is connected to cyclone separator air intake.
4. a kind of Fluorspar Powder recovery system according to claim 1, characterized in that the furnace body is externally provided in driving
Axis along furnace body axis move back and forth driving mechanism, driving mechanism include the first fixing seat, the second fixing seat, eccentric rod, with
The turntable of first fixing seat rotation connection, the sideslip bar being slidably matched with the second fixing slide carriage and for driving horizontal sliding bar
Cylinder is driven, eccentric rod one end and turntable are hinged, and the eccentric rod other end and sideslip bar are hinged, and turntable is coaxially connected with inner shaft, drive
The piston rod of cylinder of taking offence is connect with sideslip bar.
5. a kind of Fluorspar Powder recovery system according to claim 4, characterized in that the piston rod of the driving cylinder is from receipts
Contracting extreme position reaches in the process of extreme position, and turntable corotation crosses 60 degree of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432820.1A CN107178988B (en) | 2017-06-09 | 2017-06-09 | A kind of Fluorspar Powder recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432820.1A CN107178988B (en) | 2017-06-09 | 2017-06-09 | A kind of Fluorspar Powder recovery system |
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| Publication Number | Publication Date |
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| CN107178988A CN107178988A (en) | 2017-09-19 |
| CN107178988B true CN107178988B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710432820.1A Active CN107178988B (en) | 2017-06-09 | 2017-06-09 | A kind of Fluorspar Powder recovery system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204495035U (en) * | 2015-02-11 | 2015-07-22 | 福建省邵武市永晶化工有限公司 | A kind of baking powder stove |
| JP2015232405A (en) * | 2014-06-09 | 2015-12-24 | 東京理化器械株式会社 | Spray dryer |
| CN205332710U (en) * | 2015-11-30 | 2016-06-22 | 洛阳绿仁环保设备有限公司 | Fluorite powder drying -machine |
| CN106369937A (en) * | 2016-11-01 | 2017-02-01 | 兖矿集团有限公司 | Coal slime drying system and drying technique thereof |
| CN206911045U (en) * | 2017-06-09 | 2018-01-23 | 江西中氟化工有限公司 | Fluorspar Powder recovery system |
-
2017
- 2017-06-09 CN CN201710432820.1A patent/CN107178988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015232405A (en) * | 2014-06-09 | 2015-12-24 | 東京理化器械株式会社 | Spray dryer |
| CN204495035U (en) * | 2015-02-11 | 2015-07-22 | 福建省邵武市永晶化工有限公司 | A kind of baking powder stove |
| CN205332710U (en) * | 2015-11-30 | 2016-06-22 | 洛阳绿仁环保设备有限公司 | Fluorite powder drying -machine |
| CN106369937A (en) * | 2016-11-01 | 2017-02-01 | 兖矿集团有限公司 | Coal slime drying system and drying technique thereof |
| CN206911045U (en) * | 2017-06-09 | 2018-01-23 | 江西中氟化工有限公司 | Fluorspar Powder recovery system |
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| Publication number | Publication date |
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| CN107178988A (en) | 2017-09-19 |
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