CN107008910A - A kind of lead-power machine - Google Patents
A kind of lead-power machine Download PDFInfo
- Publication number
- CN107008910A CN107008910A CN201710288727.8A CN201710288727A CN107008910A CN 107008910 A CN107008910 A CN 107008910A CN 201710288727 A CN201710288727 A CN 201710288727A CN 107008910 A CN107008910 A CN 107008910A
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- China
- Prior art keywords
- lead
- spiral case
- power machine
- discharge nozzle
- turbine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lead-power machine, including main frame and discharge nozzle, screening plant is installed on the discharge nozzle, the screening plant includes the spiral case with air inlet and air outlet, it is provided with spiral case by motor-driven turbine, in a ring, center has the air intake passage being connected with air outlet to the turbine, the week side of boss is provided around the gap between the blade of air intake passage setting, adjacent blades with connection air intake passage.Lead-power machine of the present invention on the discharge nozzle of main frame by being provided with screening plant, the lead powder of bulky grain is screened and reenters main frame and is crushed, little particle lead powder up to specification is then collected, the lead powder that granularity is thinner and distribution span is smaller is obtained so as to produce, so as to improve the uniformity and battery with two side terminals of polar plate solidification effect, extend the service life of whole battery.
Description
Technical field
The present invention relates to lead accumulator production equipment technical field, more particularly to a kind of lead-power machine.
Background technology
Lead powder is one of production most important raw material of lead accumulator.The performance parameter of lead powder typically has oxidizability, regarding close
Degree, inhale acid number, hygroscopicity value and granularity and its distribution etc..Wherein lead powder particles size and distribution has very big to pole plate and battery performance
Influence, the thinner lead powder of particle diameter, the porosity for not being melted into pole plate that is made is bigger, polarization when be easily converted to active material
PbO2, initial capacity is larger, the battery made charging acceptance is good.
At present, powder processed is largely carried out using drum type lead oxide mill (also known as Shimadzu formula lead-power machine) system in industry.Roller
Formula lead-power machine (also known as Shimadzu formula lead-power machine) is the most frequently used machine of lead production lead powder.Drum type lead oxide mill, is generally comprised outer
Case, the casing interior in face can revolve roller, air-supply arrangement, cooling sprayer, lead powder collection device of biography etc., and wherein roller is used
To make lead button rolling frictional impact, air-supply arrangement is used for air needed for providing leady oxide and separation lead powder and lead button, and cooling is sprayed
Shower device is used for giving roller cooling, and lead powder collection device is used for the lead powder of collection cylinder output.General roller is with two ends quill shaft
It is arranged on through bearing on support, two ends quill shaft is respectively as wind, the entrance of lead button and wind, the outlet of lead powder.
Typically, lead-power machine pulverizing process is as follows：
Lead is sent into lead powder machine cylinder by lead button storage warehouse by load capacity, while fixed to being inputted in lead-power machine by blower fan
The fresh air of amount.Lead powder machine cylinder is driven by transmission mechanism, is rotated with certain rotating speed, and the lead in lead-power machine constantly rubs
Wiping, shock, crystal modification displacement, oxidation, the oxidized part in lead surface are gradually split away off from block, continuous and further
Grind, it is finely ground and form covering one layer of PbO fine particulate lead powder.These fine particles pass through roller turning effort and roller
The effect of inwall scraper plate is kicked up, and is taken lead powder machine cylinder out of by air-flow, into outlet elbow, is entered back into powder collector, pass through powder collector
Lead powder in air-flow is collected by the effect of interior cloth bag, is then sent to powder cabin and is stored.Going out powder pipe bent position, excessive
Grain can settle down by it is counter push away screw and push back lead powder machine cylinder further ground.
The lead powder produced using above-mentioned production technology, is found through grain size analysis, and its lead powder size distribution span is excessively wide, in 0 μ
Between m~120 μm.Lead powder size distribution span is excessively wide, and uniformity is poor, causes polar plate solidification difference on effect larger, finally
Influence the service life of battery.
The content of the invention
There is provided a kind of lead powder for the problem of lead powder size distribution span that the present invention is prepared for existing lead-power machine is excessively wide
Machine, the lead powder granularity prepared using lead-power machine of the present invention is thinner and distribution span is smaller, and lead powder thinner, uniformity is more preferable.
Screening plant, the screening plant bag are installed on a kind of lead-power machine, including main frame and discharge nozzle, the discharge nozzle
Include in the spiral case with air inlet and air outlet, spiral case and be provided with by motor-driven turbine, in a ring, center has the turbine
The air intake passage being connected with air outlet, the week side of boss is provided around the blade of air intake passage setting, have between adjacent blades connect into
The gap of wind passage.
The spiral case is cylindrical in shape, and bottom radially reduces tapered, and bottom is provided with feedback outlet, and the air inlet is located at spiral case
Sideways, air outlet is located at the top end face of spiral case.
The top end face of the turbine is engaged with spiral case inwall.
There is the rotating shaft stretched out through air outlet outside spiral case, the scroll outer is provided with the guarantor for surrounding rotating shaft on the turbine
Shield, protective cover connects the discharge nozzle.
The air intake passage is provided with the cross of connection rotating shaft close to the end of air outlet.
The discharging opening of the main frame is provided with return material packing auger, and the feed end of the discharge nozzle and the bottom of spiral case are all connected with
Return material packing auger.
The spiral case bottom connects return material packing auger by baiting valve.
The turbine two ends are provided with the end cap of fixed blade, and end cap central has through hole.
Lead-power machine of the present invention includes spiral case, spiral case by being provided with screening plant, screening plant on the discharge nozzle of main frame
Interior turbine is rotated under electrode drive, when the lead powder from main frame out enters the air intake passage at turbine center, turbine rotation
Make lead powder particle formation centrifugal force, the larger gap between turbo blade of bulky grain centrifugal force is thrown away, and finally reenters main frame
Crushed, little particle lead powder up to specification can not be then thrown out of, enter the cloth of later collection lead powder from the air outlet of spiral case
In bag, so as to produce the lead powder for obtaining that granularity is thinner and distribution span is smaller so that improve polar plate solidification effect uniformity and
Battery with two side terminals, extends the service life of whole battery.
Brief description of the drawings
Fig. 1 is the structural representation of lead-power machine of the present invention.
Fig. 2 is the structural representation of lead-power machine screening plant of the present invention.
Fig. 3 is the structural representation of turbine of the present invention.
Fig. 4 is the sectional view in Fig. 3 along A-A directions.
Fig. 5 is the overlooking the structure diagram of turbine.
Fig. 6 is the lead powder results of grain size analysis figure produced using prior art lead-power machine.
Fig. 7 is the lead powder results of grain size analysis figure produced using lead-power machine of the present invention.
Embodiment
Embodiment 1
As shown in Fig. 1~5, a kind of lead-power machine, including main frame 1, have in main frame 1 can rotation roller 101, main frame 1
Charging aperture is connected with lead button storage warehouse 2, discharging opening connection discharge nozzle, discharge nozzle and is provided with screening plant 5, and screening plant 5 is wrapped
Include spiral case 501, spiral case 501 has air inlet 502 and air outlet 503, discharge nozzle is screened device 5 and is divided into two sections, be respectively with
The connected discharge nozzle 3 of air inlet 502 and the discharge nozzle 4 being connected with air outlet 503.The other end of discharge nozzle 4 connects powder collector 6, collection
Powder device 6 includes being used for by the cloth bag 601 of the gentle flow separation of lead powder, enters the negative pressure that powder collector 6 provides power for lead powder in main frame 1
Blower fan 602 and the meal outlet of lead powder from powder collector 6 is exported to the auger 603 stored to back segment process.
Spiral case 501 is cylindrical in shape, and bottom radially reduces tapered, and bottom is provided with feedback outlet 510, and air inlet 502 is located at spiral case
501 side, air outlet 503 is located at the top end face of spiral case 501.Be provided with turbine 504 in spiral case 501, turbine 504 in a ring,
Center has the air intake passage 505 being connected with air outlet 503, and the week side of boss is provided around the blade 506 of the setting of air intake passage 505, phase
There is the gap 512 of connection air intake passage 505 between adjacent blade 506.The top end face of turbine 504 matches with the inwall of spiral case 501
Close, keep sealing to coordinate in the rotation process of turbine 504 between the two.Have on turbine 504 through air outlet 503 and stretch out spiral case
Rotating shaft 507 outside 501, air intake passage 505 is provided with the cross 513 of connection rotating shaft 507 close to the end of air outlet 503.Spiral case
501 outsides are provided with the protective cover 508 for surrounding rotating shaft 507, the connection discharge nozzle 4 of protective cover 508.The one end of rotating shaft 507 is connected with driving
The motor 509 that turbine 504 is rotated.
The discharging opening of main frame 1 is provided with return material packing auger 8, and the feed end of discharge nozzle 3 and the bottom of spiral case 501 are all connected with back
Expect auger 8.The bottom of spiral case 501 connects return material packing auger 8 by baiting valve 511.Baiting valve 511 is standard component, also referred to as rotary unloading
Valve, with lock, wind is closed, lower powder function, both can guarantee that at lead powder smooth delivery of power to the return material packing auger 8 of big particle diameter, and had ensured again
The bottom of spiral case 501 can not have wind to pass through, it is to avoid wind kicks up the lead powder of the big particle diameter settled down again.In order to ensure discharge nozzle
Interior lead powder is not accumulated, avoids lead powder from blocking discharge nozzle, and vibrating motor 301 is separately installed with discharge nozzle 3 and discharge nozzle 4 and is shaken
Dynamic motor 401.
Discharge nozzle 4, which is provided with secondary air inlet, secondary air inlet, is provided with blast pipe 402, and blast pipe 402 is provided with stream
Adjustable valve, lead powder and by the air-flow of roller 101 from main frame 1 out after temperature it is very high, from secondary air inlet enter it is fresh
Air temperature is low, gentle to lead powder can flow and cool.And environment temperature differs larger throughout the year, secondary air can be passed through
Flow control valve adjusts the air quantity of entrance according to actual needs on mouth.
During production, lead button out of, lead button storage warehouse 2 continuously enters main frame 1 by the load condition of main frame 1 roller 101,
Lead button collision, grinding, oxidation, produce lead powder in roller 101.Lead powder is in the turning effort of roller 101 and powder spreading mechanism in roller 101
In the presence of kicked up, negative-pressure air fan 602 produce wind-force effect under be inhaled into discharge nozzle 3, enter back into screening plant 5
Carry out particle diameter separation, screening.The motor 509 of screening plant 5 works, and drives turbine 504 to rotate by rotating shaft 507, contains lead powder
Air-flow enters behind the inside of spiral case 501, and into the air intake passage 505 inside turbine 504, produced centrifugation is rotated in turbine 504
Under power effect, the sufficiently large lead powder of particle diameter is radially movable in air-flow, and turbine is thrown out of by the gap 512 between blade 506
501, start sedimentation in the inwall of spiral case 501 or close to the position of the inwall of spiral case 501, the bottom of spiral case 501 is finally collected into, under
Material valve 511 is sent into by return material packing auger 8 is further ground processing in the roller 101 of main frame 1；And the less lead powder of particle diameter by from
Mental and physical efforts are smaller, and air outlet 503 is brought out from air intake passage 505 under air-flow drive, subsequently into discharge nozzle 4 and entrance collection powder
Device 6, separates air-flow with lead powder in the presence of cloth bag 601, and lead powder is driven by auger 603, and the meal outlet by powder collector 6 is defeated
Go out to back segment process and stored.The lead powder that granularity is thinner and distribution span is smaller is obtained so as to produce.
The rotating speed of turbine 504 is adjustable by the frequency conversion of motor 509, in the case that other conditions are constant, and different rotating speeds can be led
Cause the lead powder of different-grain diameter by screening plant 5, rotating speed is higher, smaller by the lead powder particle diameter of screening plant 5, otherwise bigger.
Embodiment 2
The lead powder that the lead-power machine that screening plant is provided with embodiment 1 is produced with being fitted without screening dress in the prior art
The lead powder for lead-power machine (both remaining results the are identical) production put carries out lead powder grain size analysis respectively, and grain size analysis uses laser grain
Analyzer (winner2000ZD) is spent, analytical procedure is as follows：
1st, two kinds of samples under same environmental conditions before and after (24 DEG C, 35% relative humidity) testing improvement, are weighed identical
Two kinds of samples of quality；
2nd, first water inlet reaches waterline, then carries out ultrasound, and stirring is sufficiently disperseed to sample particle, treated fully
Formally circulation+ultrasonic tesint is carried out after scattered, pending data preserves data after spectral line is stable, exports result, finally instrument is carried out
Rinse, experiment is finished.
It is all water that dispersant and decentralized medium are selected in experiment.0.6~120 μm of measurement range, stirs gear 6, when ultrasonic
Between be all 60s.
As a result as shown in table 1~3 and Fig. 6 and 7, table 1 and Fig. 6 are raw using prior art (being fitted without screening plant)
The lead powder particle diameter distribution situation of production；Table 2 and Fig. 7 are the lead powder particle diameter distribution situation produced using lead-power machine of the present invention；Table 3 is two
Some data comparisons of person, D10, D50, D80, D90, D99 refer to lead powder cumulative volume (i.e. particle diameter are not more than the institute of particular value respectively
Have the cumulative volume of lead powder) size of particle diameter when reaching 10%, 50%, 80%, 90%, 99%, S/V represents the ratio surface of lead powder
Product, Dav represents average grain diameter.Using prior art (being fitted without screening plant) produce lead powder particle diameter be substantially distributed span compared with
Extensively, it is distributed and uneven, little particle and bulky grain lead powder volume ratio gap are larger.And the lead for using lead-power machine of the present invention to produce
Powder footpath it is relatively stable be distributed in low particle size scope, particle size span is small, and distributed area is stable, and particle diameter distribution can reach
Even uniformity, bulky grain volume content is substantially zeroed.
The lead powder particle diameter distribution situation that table 1 is produced using prior art.
| Particle diameter μm | Volume % | Accumulate % | Particle diameter μm | Volume % | Accumulate % | Particle diameter μm | Volume % | Accumulate % |
| 0.12 | 0.00 | 0.00 | 1.83 | 10.18 | 27.23 | 27.63 | 1.98 | 93.52 |
| 0.15 | 0.00 | 0.00 | 2.22 | 12.98 | 40.21 | 33.54 | 2.06 | 95.58 |
| 0.18 | 0.00 | 0.00 | 2.70 | 12.87 | 53.08 | 40.72 | 1.90 | 97.48 |
| 0.22 | 0.00 | 0.00 | 3.28 | 8.26 | 61.34 | 49.43 | 1.40 | 98.87 |
| 0.26 | 0.00 | 0.00 | 3.98 | 4.59 | 65.92 | 60.00 | 0.66 | 99.54 |
| 0.32 | 0.00 | 0.00 | 4.83 | 3.13 | 69.06 | 72.84 | 0.24 | 99.78 |
| 0.39 | 0.00 | 0.00 | 5.86 | 2.49 | 71.55 | 88.42 | 0.12 | 99.91 |
| 0.47 | 0.00 | 0.00 | 7.11 | 2.39 | 73.94 | 107.33 | 0.09 | 100.00 |
| 0.57 | 0.00 | 0.00 | 8.64 | 2.78 | 76.72 | 120.00 | 0.00 | 100.00 |
| 0.69 | 1.67 | 1.67 | 10.48 | 3.27 | 79.99 | 158.17 | 0.00 | 100.00 |
| 0.84 | 2.48 | 4.15 | 12.73 | 3.48 | 83.47 | 192.00 | 0.00 | 100.00 |
| 1.02 | 3.21 | 7.36 | 15.45 | 3.19 | 86.66 | 233.07 | 0.00 | 100.00 |
| 1.24 | 4.20 | 11.57 | 18.75 | 2.67 | 89.34 | 282.93 | 0.00 | 100.00 |
| 1.51 | 5.48 | 17.05 | 22.76 | 2.21 | 91.54 | 300.00 | 0.00 | 100.00 |
The lead powder particle diameter distribution situation that table 2 is produced using lead-power machine of the present invention.
| Particle diameter μm | Volume % | Accumulate % | Particle diameter μm | Volume % | Accumulate % | Particle diameter μm | Volume % | Accumulate % |
| 0.12 | 0.00 | 0.00 | 1.83 | 26.49 | 53.43 | 27.63 | 0.00 | 100.00 |
| 0.15 | 0.00 | 0.00 | 2.22 | 24.98 | 78.41 | 33.54 | 0.00 | 100.00 |
| 0.18 | 0.00 | 0.00 | 2.70 | 16.62 | 95.03 | 40.72 | 0.00 | 100.00 |
| 0.22 | 0.00 | 0.00 | 3.28 | 4.67 | 99.70 | 49.43 | 0.00 | 100.00 |
| 0.26 | 0.00 | 0.00 | 3.98 | 0.24 | 99.94 | 60.00 | 0.00 | 100.00 |
| 0.32 | 0.00 | 0.00 | 4.83 | 0.06 | 100.00 | 72.84 | 0.00 | 100.00 |
| 0.39 | 0.00 | 0.00 | 5.86 | 0.00 | 100.00 | 88.42 | 0.00 | 100.00 |
| 0.47 | 0.00 | 0.00 | 7.11 | 0.00 | 100.00 | 107.33 | 0.00 | 100.00 |
| 0.57 | 0.00 | 0.00 | 8.64 | 0.00 | 100.00 | 120.00 | 0.00 | 100.00 |
| 0.69 | 0.98 | 0.98 | 10.48 | 0.00 | 100.00 | 158.17 | 0.00 | 100.00 |
| 0.84 | 1.47 | 2.45 | 12.73 | 0.00 | 100.00 | 192.00 | 0.00 | 100.00 |
| 1.02 | 1.90 | 4.35 | 15.45 | 0.00 | 100.00 | 233.07 | 0.00 | 100.00 |
| 1.24 | 7.34 | 11.69 | 18.75 | 0.00 | 100.00 | 282.93 | 0.00 | 100.00 |
| 1.51 | 15.25 | 26.94 | 22.76 | 0.00 | 100.00 | 300.00 | 0.00 | 100.00 |
3 two kinds of lead powder data of table compare.
| Prior art produces lead powder | Lead-power machine of the present invention produces lead powder | |
| D10 | 1.16μm | 1.19μm |
| D50 | 2.59μm | 1.79μm |
| D80 | - | 2.27μm |
| D90 | 19.96μm | 2.55μm |
| D99 | 51.44μm | 3.19μm |
| S/V | 25334.97cm2/cm3 | 35947.22cm2/cm3 |
| Dav | 7.22μm | 1.83μm |
Claims (8)
1. a kind of lead-power machine, including main frame and discharge nozzle, it is characterised in that screening plant is provided with the discharge nozzle, described
Screening plant includes being provided with the spiral case with air inlet and air outlet, spiral case by motor-driven turbine, and the turbine is in ring
Shape, center has the air intake passage being connected with air outlet, and the week side of boss is provided around between the blade of air intake passage setting, adjacent blades
Gap with connection air intake passage.
2. lead-power machine as claimed in claim 1, it is characterised in that the spiral case is cylindrical in shape, bottom radially reduces tapered, bottom
End is provided with feedback outlet, and the air inlet is located at the side of spiral case, and air outlet is located at the top end face of spiral case.
3. lead-power machine as claimed in claim 2, it is characterised in that the top end face of the turbine is engaged with spiral case inwall.
4. lead-power machine as claimed in claim 1, it is characterised in that have on the turbine through air outlet and stretch out outside spiral case
Rotating shaft, the scroll outer connects the discharge nozzle provided with the protective cover for surrounding rotating shaft, protective cover.
5. lead-power machine as claimed in claim 4, it is characterised in that the air intake passage is close to the end of air outlet provided with connection
The cross of rotating shaft.
6. lead-power machine as claimed in claim 1, it is characterised in that the discharging opening of the main frame is provided with return material packing auger, described
The feed end of discharge nozzle and the bottom of spiral case are all connected with return material packing auger.
7. lead-power machine as claimed in claim 6, it is characterised in that the spiral case bottom connects return material packing auger by baiting valve.
8. lead-power machine as claimed in claim 1, it is characterised in that the turbine two ends are provided with the end cap of fixed blade, end cap
Center has through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288727.8A CN107008910B (en) | 2017-04-27 | 2017-04-27 | Lead powder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288727.8A CN107008910B (en) | 2017-04-27 | 2017-04-27 | Lead powder machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107008910A true CN107008910A (en) | 2017-08-04 |
| CN107008910B CN107008910B (en) | 2023-09-08 |
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ID=59447604
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710288727.8A Active CN107008910B (en) | 2017-04-27 | 2017-04-27 | Lead powder machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684975A (en) * | 2017-09-19 | 2018-02-13 | 长兴新源机械设备科技有限公司 | A kind of lead powder selecting system, refiner and method for concentrating |
| CN109244358A (en) * | 2018-10-31 | 2019-01-18 | 江苏华兴电气科技有限公司 | A kind of ultralow partial size lead powder extraction element |
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| JPH038454A (en) * | 1989-06-05 | 1991-01-16 | Sumitomo Cement Co Ltd | Production of powder by multistage pulverizing treatment |
| JP2008149257A (en) * | 2006-12-18 | 2008-07-03 | Kurimoto Ltd | Crushing and classifying apparatus |
| CN102324499A (en) * | 2011-09-22 | 2012-01-18 | 重庆万里控股（集团）股份有限公司 | Method for refining and grading lead powder |
| CN102581290A (en) * | 2012-03-27 | 2012-07-18 | 舟山市普陀求精机械厂 | Drum type lead oxide mill |
| CN106363186A (en) * | 2016-08-30 | 2017-02-01 | 天能电池集团有限公司 | Lead powder production system |
| CN206952168U (en) * | 2017-04-27 | 2018-02-02 | 天能电池集团有限公司 | A kind of lead-power machine |
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2017
- 2017-04-27 CN CN201710288727.8A patent/CN107008910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038454A (en) * | 1989-06-05 | 1991-01-16 | Sumitomo Cement Co Ltd | Production of powder by multistage pulverizing treatment |
| JP2008149257A (en) * | 2006-12-18 | 2008-07-03 | Kurimoto Ltd | Crushing and classifying apparatus |
| CN102324499A (en) * | 2011-09-22 | 2012-01-18 | 重庆万里控股（集团）股份有限公司 | Method for refining and grading lead powder |
| CN102581290A (en) * | 2012-03-27 | 2012-07-18 | 舟山市普陀求精机械厂 | Drum type lead oxide mill |
| CN106363186A (en) * | 2016-08-30 | 2017-02-01 | 天能电池集团有限公司 | Lead powder production system |
| CN206952168U (en) * | 2017-04-27 | 2018-02-02 | 天能电池集团有限公司 | A kind of lead-power machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684975A (en) * | 2017-09-19 | 2018-02-13 | 长兴新源机械设备科技有限公司 | A kind of lead powder selecting system, refiner and method for concentrating |
| CN107684975B (en) * | 2017-09-19 | 2024-04-02 | 长兴新源机械设备科技有限公司 | Lead powder concentrating system, concentrating machine and concentrating method |
| CN109244358A (en) * | 2018-10-31 | 2019-01-18 | 江苏华兴电气科技有限公司 | A kind of ultralow partial size lead powder extraction element |
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| Publication number | Publication date |
|---|---|
| CN107008910B (en) | 2023-09-08 |
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Address after: 313100 Meishan Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province Applicant after: TIANNENG BATTERY GROUP Co.,Ltd. Address before: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Applicant before: TIANNENG BATTERY GROUP Co.,Ltd. |
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