CN107744858A - Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder - Google Patents
Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder Download PDFInfo
- Publication number
- CN107744858A CN107744858A CN201711138115.7A CN201711138115A CN107744858A CN 107744858 A CN107744858 A CN 107744858A CN 201711138115 A CN201711138115 A CN 201711138115A CN 107744858 A CN107744858 A CN 107744858A
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- China
- Prior art keywords
- zinc powder
- shell
- crushing device
- centrifugal impeller
- electrolytic metal
- Prior art date
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000001035 drying Methods 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 30
- 239000003513 alkali Substances 0.000 title claims abstract description 29
- 238000002386 leaching Methods 0.000 title claims description 28
- 238000012545 processing Methods 0.000 claims abstract description 21
- 239000002585 base Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241001582888 Lobus Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a kind of alkali to soak the zinc powder drying and crushing device in electrolytic metal zinc powder, belongs to field of mechanical technique.The present invention includes base and the shell on base, and cover top portion is provided with charging aperture, and tubular heat-conducting piece is fixed with shell, and shell inner cavity is divided into independent processing chamber and ring-type air cavity by heat-conducting piece, and side wall of outer shell is provided with steam inlet；There is dividing plate, processing chamber is divided into epicoele and cavity of resorption by dividing plate, and lower intracavitary is provided with centrifugal impeller, and centrifugal impeller is rotatablely connected by rotating shaft and shell on heat-conducting piece；Also include the motor that energy drive shaft rotates；Through the discharge gate offered with centrifugal impeller inner chamber face on dividing plate, upper intracavitary is fixed with energy hopper, feedback outlet is additionally provided with dividing plate, centrifugal impeller includes multiple circumferentially distributed blades, and feedback outlet is connected by the gap between adjacent two blade with centrifugal impeller inner chamber；Formed with feed back passage between hopper and outer casing inner wall, exhaust tube is fixed with hopper.The present invention has the advantages of drying efficiency is high.
Description
Technical field
The invention belongs to field of mechanical technique, the zinc powder drying and crushing device being related in a kind of alkali leaching electrolytic metal zinc powder.
Background technology
During alkali leaching electrolytic metal zinc powder, generally use titanium alloy sheet is as minus plate.In electrolytic process, minus plate
Surface can plate certain thickness zinc powder, now just need artificial or machine to make metallic zinc attached thereto to beat minus plate
Powder comes off, and the metal zinc to come off leads to zinc powder and electrolyte separation equipment from the bipyramid valve of bottom of electrolytic tank, to isolate
Zinc powder.Because the zinc powder after separation contains certain moisture, so needing to be dried by drying equipment.
But existing drying equipment has a problem that：Need first to crush zinc powder before drying, and crushing and drying process are
Separately carry out, so not only greatly prolong drying time, influence drying efficiency, and during individually zinc powder is crushed, meeting
Larger heat is produced, causes zinc powder to be easy to aoxidize, color blackening, influences final product quality.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that in a kind of alkali leaching electrolytic metal zinc powder
Zinc powder drying and crushing device, the technical problem of solution is how to improve drying efficiency.
The purpose of the present invention can be realized by following technical proposal：Zinc powder drying and crushing in alkali leaching electrolytic metal zinc powder
Device, including base and the shell on base, the top of shell are provided with charging aperture, it is characterised in that in described shell
The heat-conducting piece for being cylindrical in shape and being made from a material that be thermally conductive is vertically fixed, the inner chamber of shell is divided into separate processing by heat-conducting piece
Chamber and air cavity annular in shape, and the side wall of shell is provided with the steam inlet connected with air cavity；There is edge on described heat-conducting piece
Horizontally arranged dividing plate, and described processing chamber is divided into epicoele and cavity of resorption by dividing plate, described lower lumenal levels be provided with from
Lobus cardiacus wheel, centrifugal impeller are rotatablely connected by rotating shaft and shell, and the present apparatus also includes the motor that energy drive shaft rotates；Described
Through the discharge gate offered with centrifugal impeller inner chamber face on dividing plate, described upper intracavitary, which is fixed with, will be arranged from charging aperture
The zinc powder gone out is incorporated into the hopper in discharge gate, and the feedback outlet for making epicoele be connected with cavity of resorption is additionally provided with described dividing plate, described
Centrifugal impeller include multiple circumferentially distributed blades, and feedback outlet passes through the gap between adjacent two blade and centrifugal impeller
Inner chamber connection；Formed with the feed back passage for making hopper inner chamber be connected with epicoele, institute between described hopper and the inwall of shell
Exhaust tube is fixed with the hopper stated, the upper end of exhaust tube stretches out shell and being connected with negative pressure source makes exhaust tube be internally formed vacuum
Negative pressure, the lower end mouth down of exhaust tube are set.
During installation, steam inlet is connected by steam pipe with steam generator, and high-temperature steam is poured into conventional air cavity.
The course of work is as follows：Wet zinc powder is entered in hopper by charging aperture, and now, the weight of zinc powder is more than at exhaust tube
Draft, cause wet zinc powder to be entered along hopper in centrifugal impeller, and the effect of the centrifugal impeller in high-speed rotation
Pulverized, the zinc powder after being crushed moves up under draft effect caused by exhaust tube, then passes sequentially through feedback outlet and feed back leads to
Road is come back in hopper, now, weigh less than the draft at exhaust tube zinc powder be inhaled into exhaust tube and enter after
In continuous processing；During the entire process of above-mentioned, the high-temperature steam in air cavity does heating, drying processing to zinc powder always.
By being provided for storing the air cavity of high-temperature steam and being wrapped in inside air cavity and be used for the processing for crushing zinc powder
Chamber, make the drying of zinc powder and crush this two procedures while carry out, to greatly increase connecing for zinc powder and high temperature within the same time
Contacting surface is accumulated, so that zinc powder is dried in moment and enters next process being pumped in exhaust tube in a flash, so both
The drying efficiency of zinc powder has been greatly improved, zinc powder can have been prevented to be oxidized again, to improve the quality of zinc powder finished product.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, the present apparatus also includes being used at heating
Manage the heating arrangements of chamber.Using above-mentioned design, while increase temperature and contact area that zinc powder contacts with high-temperature gas, from
And the drying rate of zinc powder is further speeded up, further to prevent zinc powder from aoxidizing.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, above-mentioned heating arrangements include being located at
Heat exhausting pipe in processing chamber and the heater outside shell, the outer end of above-mentioned heat exhausting pipe stretch out shell and with heater phase
Even.Heat transfer caused by heater to processing intracavitary, is had the advantages of simple in construction, easy for installation by heat exhausting pipe.It is preferred that arrange
Heat pipe is the sandwich of internal iron sheet, middle part heat preservation rock and outside iron sheet composition.
Alternatively, it is described in the zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder
Heating arrangements are the heater in processing chamber.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, the inner end of described heat exhausting pipe
Mouth is between charging aperture and hopper.Using above-mentioned design, hopper inwall can be made to remain the condition of high temperature, effectively prevented
Zinc powder is viscous on hopper inwall, so as to accelerate speed of the zinc powder by hopper, further to improve drying efficiency.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, the bottom of above-mentioned centrifugal impeller to
Protrude above to form tapered guide part, guide part faces with described discharge gate, and the diameter of guide part gradually becomes downwards
Greatly.Under the guide effect of guide part, it is crushed blade contact of the zinc powder more swimmingly with centrifugal impeller, so as to further carry
High rate of drying.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, described motor is located at outside shell simultaneously
It is fixedly connected with base, described motor drives above-mentioned axis of rotation by transmission mechanism.Motor is located at outside shell, can be effective
Motor is avoided to be influenceed by high temperature, to improve the life-span of motor and job stability.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, institute is stretched out in the lower end of described rotating shaft
The shell stated, described transmission mechanism are connected driven including the connected driving wheel of the main shaft with motor and with the lower end of rotating shaft
Wheel, and driving wheel is connected with driven pulley by timing belt.
Alternatively, it is described in the zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder
Described shell is stretched out in the lower end of rotating shaft, described transmission mechanism include the master gear connected with the main shaft of motor and with rotating shaft
The connected pinion in lower end, and master gear and pinion are meshed.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, also set in the side wall of described shell
There is the steam (vapor) outlet connected with air cavity, and steam (vapor) outlet is located above steam inlet.In use, high-temperature steam passes through steam inlet
It is flowed into air cavity, is then flowed out from steam (vapor) outlet, realize circulating for high-temperature steam, make to remain higher inside air cavity
Temperature.
In zinc powder drying and crushing device in above-mentioned alkali leaching electrolytic metal zinc powder, described steam inlet and steam go out
Mouth one steam unit of composition, described steam unit have two and are located at the upper side and lower side of shell respectively.
Compared with prior art, the zinc powder drying and crushing device in this alkali leaching electrolytic metal zinc powder is stored by being provided for
The air cavity of high-temperature steam, the heating arrangements for heating chamber and it is wrapped in inside air cavity and for crushing the processing of zinc powder
Chamber, make the drying of zinc powder and crush this two procedures while carry out, to greatly increase connecing for zinc powder and high temperature within the same time
Contacting surface is accumulated, so that zinc powder is dried in moment and enters next process being pumped in exhaust tube in a flash, so both
The drying efficiency of zinc powder has been greatly improved, zinc powder can have been prevented to be oxidized again, to improve the quality of zinc powder finished product.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is dimensional structure diagram of the present invention on other direction.
Fig. 3 is the cross section structure diagram of the present invention.
Fig. 4 is the mplifying structure schematic diagram at A in Fig. 3.
Fig. 5 is the attachment structure schematic diagram of hopper and shell.
Fig. 6 is the structural representation of transmission mechanism.
In figure, 1, base；2nd, shell；2a, processing chamber；2a1, epicoele；2a2, cavity of resorption；2b, air cavity；2c, charging aperture；3rd, expect
Bucket；4th, heat-conducting piece；4a, dividing plate；4a1, discharge gate；4a2, feedback outlet；5th, centrifugal impeller；5a, guide part；6th, exhaust tube；7th, turn
Axle；8th, motor；9th, air inlet pipe；10th, escape pipe；11st, support tube；12nd, feeding screw；13rd, driving wheel；14th, driven pulley；15、
Timing belt；16th, feed back passage；17th, heat exhausting pipe；18th, heater.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 6, the zinc powder drying and crushing device in this alkali leaching electrolytic metal zinc powder is by base 1, shell 2, material
The composition such as bucket 3, heat-conducting piece 4, centrifugal impeller 5, exhaust tube 6, heating arrangements, rotating shaft 7, motor 8.Wherein, heat-conducting piece 4 is by heat conduction material
Material is made, and Heat Conduction Material can be aluminium alloy or brass.
Specifically, as shown in Figure 3 and Figure 4, shell 2 is installed on base 1, and heat-conducting piece 4 is cylindrical in shape and is installed in vertically
In shell 2.Now, the inner chamber of shell 2 is divided into separate processing chamber 2a and air cavity 2b annular in shape by heat-conducting piece 4, wherein,
Air cavity 2b and heat-conducting piece 4 are coaxially disposed, and processing chamber 2a is located in air cavity 2b.The side wall of shell 2 is provided with and connected with air cavity 2b
Steam inlet and steam (vapor) outlet, and steam (vapor) outlet is located above steam inlet.In the present embodiment, steam inlet and steam go out
Mouth one steam unit of composition, steam unit have two and are located at the upper side and lower side of shell 2 respectively.During installation, two steam enter
It is intraoral to be mounted on air inlet pipe 9, it is mounted on escape pipe 10 in two steam (vapor) outlets, and air inlet pipe 9 and escape pipe 10 are and steam
Generator is connected, and makes high-temperature steam in air cavity 2b internal circulation flows.Further illustrate, support tube 11 is fixed with heat-conducting piece 4, prop up
Support cylinder 11 have two and respectively be located at air cavity 2b the upper side and lower side, positioned at the same side air inlet pipe 9 and escape pipe 10 respectively with
Corresponding support tube 11 is fixedly connected with, preferably to support air inlet pipe 9 and escape pipe 10.
There is horizontally disposed dividing plate 4a, and processing chamber 2a is divided into epicoele 2a1 with by dividing plate 4a on heat-conducting piece 4
Chamber 2a2.The top of shell 2 offers charging aperture 2c, and the side of shell 2 is provided with the feeding screw 12 being obliquely installed, and spiral is sent
The discharging opening of glassware 12 is connected with above-mentioned charging aperture 2c.Dividing plate 4a middle part, which is vertically run through, offers discharge gate
Hopper 3 is provided with 4a1, epicoele 2a1, hopper 3 is fixedly connected with dividing plate 4a, and the roof of the bottom wall of hopper 3 and dividing plate 4a mutually reclines.
The inner chamber of charging aperture 2c and discharge gate 4a1 with hopper 3 faces, i.e., hopper 3 plays the zinc powder that will be discharged from charging aperture 2c
The effect being incorporated into discharge gate 4a1.
Centrifugal impeller 5 is annular in shape, and the centrifugal impeller 5 is horizontally set in cavity of resorption 2a2, and now, discharge gate 4a1 and centrifugation
The inner chamber of impeller 5 faces.Centrifugal impeller 5 is rotatablely connected by rotating shaft 7 and shell 2, specifically, one end of rotating shaft 7 with from
The bottom of lobus cardiacus wheel 5 is fixedly connected with, and the other end of rotating shaft 7 is axially connected by bearing and shell 2.Above-mentioned motor 8 can drive
Turn axle 7, which rotates, makes centrifugal impeller 5 be rotated around the axis of itself.In the present embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 6, motor 8
It is fixedly connected with outside shell 2 and with base 1, motor 8 drives above-mentioned rotating shaft 7 to rotate by transmission mechanism.It is preferred that rotating shaft 7
Shell 2 is stretched out in lower end, transmission mechanism include the driving wheel 13 connected with the main shaft of motor 8 and with the lower end of rotating shaft 7 be connected from
Driving wheel 14, and driving wheel 13 is connected with driven pulley 14 by timing belt 15.The band turn by way of timing belt 15 is driven of motor 8
Axle 7 rotates, and has the advantages of good operating stability.
Further illustrate, the bottom up protrusion of centrifugal impeller 5 forms tapered guide part 5a, guide part 5a and discharge
Mouth 4a1 is faced, and guide part 5a diameter becomes larger downwards.
As shown in Figure 3 and Figure 4, dividing plate 4a, which is vertically also extended through, offers feedback outlet 4a2, and epicoele 2a1 and cavity of resorption
2a2 is connected by above-mentioned feedback outlet 4a2.Centrifugal impeller 5 includes multiple circumferentially distributed blades, and feedback outlet 4a2 leads to
The gap crossed between adjacent two blade connects with the inner chamber of centrifugal impeller 5.In the present embodiment, preferably feedback outlet 4a2 is in circular arc
Shape, feedback outlet 4a2 have multiple and uniform along the circumference of heat-conducting piece 4.Each gaps of the feedback outlet 4a2 between adjacent two blade
Face.
As shown in figure 5, formed with connecting the inner chamber of hopper 3 and epicoele 2a1 between the upper end outer wall of hopper 3 and the inwall of shell 2
Logical feed back passage 16, is fixed with exhaust tube 6 in hopper 3, the upper end of exhaust tube 6 stretch out shell 2 and with negative pressure source (not shown)
Connection makes exhaust tube 6 be internally formed negative pressure of vacuum, and the lower end mouth down of exhaust tube 6 is set.Wherein, negative pressure source can be exhausting
Machine, vavuum pump etc..
The present apparatus also includes being used for the heating arrangements for heating chamber 2a.In the present embodiment, heating arrangements include being located at
Heat exhausting pipe 17 in processing chamber 2a and the heater outside shell 2 18, the outer end of above-mentioned heat exhausting pipe 17 stretch out shell 2 and with
Heater 18 is connected.Wherein, the job category of heater 18 can be Electromagnetic Heating, infrared heating or resistance heating, and it
Can buy on the market.Naturally, heating arrangements are only that the heater 18 being located in processing chamber 2a is also possible.
Further illustrate, the inner port of heat exhausting pipe 17 is between charging aperture 2c and hopper 3.
The course of work is as follows：Wet zinc powder is delivered in charging aperture 2c by feeding screw 12, is then entered by charging aperture 2c
Enter into hopper 3, now, the weight of zinc powder is more than the draft at exhaust tube 6, causes wet zinc powder to enter along hopper 3
Into centrifugal impeller 5, and the effect of the centrifugal impeller 5 in high-speed rotation is crushed, and the zinc powder after being crushed produces in exhaust tube 6
Draft effect under move up, then pass sequentially through feedback outlet 4a2 and feed back passage 16 come back in hopper 3, now, weight is low
The zinc powder of draft at exhaust tube 6 is inhaled into exhaust tube 6 and entered in following process；In above-mentioned whole process
In, high-temperature steam and heating arrangements in air cavity 2b do heating, drying processing to zinc powder always.
Embodiment two
The present embodiment two is essentially identical with the structure and principle of embodiment one, and different place is：Transmission mechanism bag
The master gear being connected with the main shaft of motor 8 and the pinion connected with the lower end of rotating shaft 7 are included, and master gear is mutually nibbled with pinion
Close.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder, including base (1) and the shell on base (1)
(2), the top of shell (2) is provided with charging aperture (2c), it is characterised in that be vertically fixed in described shell (2) be cylindrical in shape and
The heat-conducting piece (4) being made from a material that be thermally conductive, heat-conducting piece (4) by the inner chamber of shell (2) be divided into separate processing chamber (2a) and
Air cavity (2b) annular in shape, and the side wall of shell (2) is provided with the steam inlet connected with air cavity (2b)；Described heat-conducting piece
(4) there is horizontally disposed dividing plate (4a) on, and dividing plate (4a) by described processing chamber (2a) be divided into epicoele (2a1) and
Cavity of resorption (2a2), horizontal in described cavity of resorption (2a2) to be provided with centrifugal impeller (5), centrifugal impeller (5) passes through rotating shaft (7) and shell
(2) it is rotatablely connected, the present apparatus also includes the motor (8) that energy drive shaft (7) rotates；Run through on described dividing plate (4a) and offer
With the discharge gate (4a1) of centrifugal impeller (5) inner chamber face, being fixed with described epicoele (2a1) can will be from charging aperture (2c)
The zinc powder of discharge is incorporated into the hopper (3) in discharge gate (4a1), be additionally provided with described dividing plate (4a) make epicoele (2a1) and under
The feedback outlet (4a2) of chamber (2a2) connection, described centrifugal impeller (5) include multiple circumferentially distributed blades, and feedback outlet
(4a2) is connected by the gap between adjacent two blade with the inner chamber of centrifugal impeller (5)；Described hopper (3) and shell (2)
It is fixed in described hopper (3) formed with the feed back passage (16) for making hopper (3) inner chamber be connected with epicoele (2a1) between inwall
There is an exhaust tube (6), the upper end of exhaust tube (6), which is stretched out shell (2) and connected with negative pressure source, to be made exhaust tube (6) be internally formed vacuum to bear
Pressure, the lower end mouth down of exhaust tube (6) are set.
2. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 1, it is characterised in that this dress
Putting also includes being used for the heating arrangements for heating chamber (2a).
3. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 1, it is characterised in that above-mentioned
Heating arrangements include the heat exhausting pipe (17) in the processing chamber (2a) and the heater (18) located at shell (2) outside, it is above-mentioned
The outer end of heat exhausting pipe (17) is stretched out shell (2) and is connected with heater (18).
4. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 3, it is characterised in that described
The inner port of heat exhausting pipe (17) be located between charging aperture (2c) and hopper (3).
5. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 1 or 2 or 3 or 4, its feature
Be, the bottom up protrusion of above-mentioned centrifugal impeller (5) forms tapered guide part (5a), guide part (5a) with it is described
Discharge gate (4a1) faces, and the diameter of guide part (5a) becomes larger downwards.
6. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 1 or 2 or 3 or 4, its feature
Be, described motor (8) is located at shell (2) outside and is fixedly connected with base (1), described motor (8) by transmission mechanism come
Above-mentioned rotating shaft (7) is driven to rotate.
7. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 6, it is characterised in that described
The lower end of rotating shaft (7) stretch out described shell (2), described transmission mechanism includes the active connected with the main shaft of motor (8)
(13) and the driven pulley (14) connected with the lower end of rotating shaft (7) are taken turns, and driving wheel (13) and driven pulley (14) pass through timing belt
(15) it is connected.
8. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 6, it is characterised in that described
The lower end of rotating shaft (7) stretch out described shell (2), described transmission mechanism includes the main tooth connected with the main shaft of motor (8)
Wheel and the pinion connected with the lower end of rotating shaft (7), and master gear and pinion are meshed.
9. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 1, it is characterised in that described
Shell (2) side wall on be additionally provided with the steam (vapor) outlet connected with air cavity (2b), and steam (vapor) outlet is located above steam inlet.
10. the zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder according to claim 9, it is characterised in that institute
The steam inlet stated and steam (vapor) outlet form a steam unit, and described steam unit has two and is located at shell (2) respectively
The upper side and lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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