CN204396120U - Particle classifying sedimentation device - Google Patents
Particle classifying sedimentation device Download PDFInfo
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- CN204396120U CN204396120U CN201420858266.5U CN201420858266U CN204396120U CN 204396120 U CN204396120 U CN 204396120U CN 201420858266 U CN201420858266 U CN 201420858266U CN 204396120 U CN204396120 U CN 204396120U
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Abstract
A kind of particle classifying sedimentation device, comprises airflow milling, ultrasonic wave vibratory sieve, pans, grader and screw settling tank; Be connected with ultrasonic wave vibratory sieve bottom airflow milling, the discharging opening of ultrasonic wave vibratory sieve is communicated with pans; The bottom of pans is communicated with grader with pump by pipeline; Grader is provided with overflow, middle stream and underflow outlet, and the outlet of middle stream and underflow is communicated with pans, and between middle flow export and pans, underflow exports that to be provided with flow view between pans logical; Flow view bucket comprises transparent staving, arrange transparent baffle in staving, described screw settling groove comprises cell body, arranges involute screw baffle plate in cell body, axially arrange the feed pipe be communicated with classifier overflow outlet conduit in cell body, the lower end of feed pipe arranges flow distribution plate.The utility model have not easily introduce impurity, powder is not easily reunited, be separated thoroughly and effectively the middle flow export of observe and decide grader and underflow can export the advantage whether blocked.
Description
Technical field
The utility model belongs to particle classifying, sedimentation techniques field, is specifically related to a kind of particle classifying sedimentation device.
Background technology
In power production process, as the production process of metal-powder (micron order or nanometer grade powder), its equipment generally comprises mulser, vibratory sieve, pans (agitator tank), classification level and Magneto separate groove etc.; First powder in mulser with solvent as the fully stirring and emulsifying such as ethanol, then carry out screening through vibratory sieve and remove bulky grain powder, the slurry of gained is driven in pans, carry out classification through stirring then to pump in grader, grader is divided into overflow outlet, middle flow export and underflow outlet; The slurry that overflow exports out is entered Magneto separate groove and carries out metal-powder absorption (namely arrange magnetic roller in Magneto separate groove, on the metal powder absorption left magnetic roller in the slurry transported by overfall, realize Separation of Solid and Liquid by rotation) separation; The slurry that middle flow export and underflow export out is transported in pans and stirs, and is again driven in grader and is separated once again, obtains the powder needing particle diameter as much as possible.
This traditional class settling device, there is the following deficiency: first mulser adopts metal paddle continuous high speed shear slurry that it is fully emulsified, then due to the friction that runs up, metal paddle is then easy to wear and tear, produce impurity and enter into emulsification slurry, cause the pollution of raw material, for follow-up isolation and purification causes puzzlement; Secondly, owing to adopting magnetic roller to carry out Separation of Solid and Liquid, the solid powder after separation is easy to there is remanent magnetism, causes the reunion of powder and magnetic roller to hang powder and seriously not easily peels off; In addition, what export out due to flow export in grader and underflow is all relative oarse-grained powder, is easy to result in blockage, but current device cannot judge whether blocking, impacts to the continuity of production procedure.
Utility model content
The technical problems to be solved in the utility model is to provide that one not easily introduces impurity, powder is not easily reunited, and is separated thoroughly and effectively the middle flow export of observe and decide grader and underflow can exports the particle classifying sedimentation device whether blocked.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of particle classifying sedimentation device, comprises airflow milling; Stirred tank, vibratory sieve, pans (agitator tank), grader and screw settling tank; Arrange discharge nozzle bottom described airflow milling to be connected with stirred tank, the discharging opening of described stirred tank is connected with vibratory sieve, and the discharging opening of vibratory sieve is communicated with pans through piping; The bottom of described pans is arranged discharging opening and is communicated with grader with pump by pipeline; Described grader is provided with overflow outlet, middle flow export and underflow outlet, and the outlet of described middle flow export and underflow is all communicated with pans, and between middle flow export and pans, underflow exports and be provided with flow view bucket between pans; Described flow view bucket comprises transparent staving, the graduated transparent baffle of band is provided with in staving, and described transparent baffle and staving radial direction tilt to be fixed on staving in 60 degree angles interior and corresponding with being connected the pipeline that in grader, flow export or underflow export (namely the axis of pipeline aligns with transparent baffle mid point), the slurry in staving enters into pans by staving bottom discharge nozzle; Described pans upper end is connected (being flowed back in pans by overflow pipe for the supernatant in screw settling groove) with screw settling tank upper side wall by overflow pipe again, described screw settling groove comprises cell body, involute screw baffle plate is set in cell body, axially arrange the feed pipe be communicated with classifier overflow outlet conduit in cell body, the lower end of feed pipe arranges flow distribution plate.
Adopt above-mentioned technological process, have airflow milling to replace traditional mulser, thus avoid the introducing of impurity, make raw material purer, also without the need to separation, impurity removal; Adopt flow view bucket, by observing the height size that slip that the transparent baffle in transparent staving sprays splashes on scale plate, judging the size of tube fluid pressure flow, thus judging whether blocking; Screw settling groove structure is adopted to replace traditional magnetic roller, first slurry arranges the outflow of flow distribution plate radial dispersion by the lower end of feed pipe after entering from feed pipe, then impact and carry out turbulent flow, centrifugal then sedimentation downwards on the baffle plate of evolvent type, rely on self gravity and and the baffle plate of evolvent type between impact by powder and separated from solvent, solvent flows out from top overflow outlet and enters into pans, and the underflow containing a large amount of powder is deposited in screw settling groove bottom, regularly carry out blowing recovery by the vomit pipe of bottom; Thus without remanent magnetism on powder, also can not agglomeration be there is, also do not allow powder easy to hang in subsider, Separation of Solid and Liquid is more thorough.
As preferably, described involute screw baffle plate is two; Adopt this structure, make slurry keep Laminar Flow in container, avoid back-mixing, increase the sedimentation time, improve separative efficiency.
As preferably, between described grader and tundish bottom discharge nozzle, pump is bull membrane pump, adopts this structure significantly to reduce powder depositional phenomenon in original centrifugal pump, reduces evaporating, emitting, dripping or leaking of liquid or gas and maintenance load.Use in parallel when needing.
As preferably, used by oscillating screen ultrasonic wave vibratory sieve replaces original common vibratory sieve.
As preferably, the pipeline of the overflow outlet of described grader, middle flow export and underflow outlet is provided with Ke Liao mass flowmenter, shows the flow of three fluid streams after grader respectively, auxiliary judgment grader stopping state.
Accompanying drawing explanation
Fig. 1 is the utility model particle classifying sedimentation device structural representation.
Fig. 2 is the utility model screw settling jar structure schematic diagram.
Fig. 3 the utility model powder screw settling tank top view structural representation (baffle plate of two pieces of evolvent types, and two of correspondence overfalls).
The flow view barrel structure schematic diagram of this practicality of Fig. 4.
Baffle arrangement schematic diagram in the flow view bucket of this practicality of Fig. 5.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is described in detail.As shown in accompanying drawing 1-5: a kind of particle classifying sedimentation device, comprises airflow milling 1; Stirred tank 1.1; Ultrasonic wave vibratory sieve 2, pans 3 (agitator tank), grader 4 and screw settling tank 5; Arrange discharge nozzle bottom described airflow milling 1 to be connected with stirred tank, the discharging opening of described stirred tank is connected with vibratory sieve 2, and the discharging opening of vibratory sieve is communicated with pans 3 through piping; The bottom of described pans 3 is arranged discharging opening and is communicated with grader 4 with pump 7 by pipeline; Described grader 4 is provided with overflow outlet 4.1, middle flow export 4.2 and underflow outlet 4.3 and (connecting pipe of each outlet of grader is provided with flowmeter, adopt Ke Liao mass flowmenter, on from pans to grader inlet pipeline, a flowmeter is also set, in accompanying drawing 1
symbol, is commercially available prod), the outlet of described middle flow export and underflow is communicated with pans 3, and between middle flow export and pans, underflow exports and be provided with flow view bucket 6 between pans; Described flow view bucket 6 comprises transparent staving 6.1, the graduated transparent baffle 6.2 of band is provided with in staving, and described transparent baffle and staving radial direction tilt to be fixed on staving in 60 degree angles interior and corresponding with being connected the feed pipe that in grader, flow export or underflow export (namely the axis of feed pipe and transparent baffle mid point are to it), the slurry in staving enters into pans by staving bottom discharge nozzle; Described pans 3 upper end is connected (being flowed back in pans by overflow pipe for the supernatant in screw settling groove) with screw settling tank 5 upper side wall by overflow pipe again, described screw settling groove 5 comprises cell body 5.1, involute screw baffle plate 5.2 is set in cell body, axially arrange the feed pipe 5.3 be communicated with classifier overflow outlet conduit in cell body, the lower end of feed pipe arranges flow distribution plate 5.4.This practical vibratory sieve adopts ultrasonic wave vibratory sieve.
Adopt said structure, replace traditional mulser by airflow milling, thus avoid the introducing of impurity, make raw material purer, also without the need to separation, impurity removal; Adopt flow view bucket, by observing the height size that slip that the transparent baffle in transparent staving sprays splashes on scale plate, judging the size of tube fluid pressure flow, thus judging whether blocking; Screw settling groove structure is adopted to replace traditional magnetic roller, first slurry arranges the outflow of flow distribution plate radial dispersion by the lower end of feed pipe after entering from feed pipe, then along evolvent type deflector, circumferentially Laminar Flow, particle, by gravity natural subsidence, do not cause back-mixing.Powder and separated from solvent, solvent flows out from top overflow outlet and enters into pans, and the underflow containing a large amount of powder is deposited in screw settling groove bottom, regularly carries out blowing recovery by the vomit pipe of bottom; Thus without remanent magnetism on powder, also can not agglomeration be there is, do not allow powder easy to hang in subsider yet.
As shown in Figure 3, the involute screw baffle plate 5.2 described in this practicality is two, and corresponding screw settling groove top arranges two overflow outlets; Adopt this structure, make slurry circumferentially laminar flow slowly flow, do not disturb the natural subsidence of powder granule, add the time of staying, avoid back-mixing, improve separative efficiency.
Grader 4 described in this practicality and the pump 7 between pans 3 bottom discharge pipe are bull membrane pump, adopt this structure significantly to reduce powder depositional phenomenon in original centrifugal pump, reduce evaporating, emitting, dripping or leaking of liquid or gas and maintenance load.Use in parallel when needing.
Pans described in this practicality with add measuring pump 8 by pipeline and solvent between airflow milling and be connected, adopt this device can add solvent as ethanol etc. in time in airflow milling or pans.
The said equipment of this practicality, is determined as example with the sinking speed of 200nm nickel powder, main powder sedimentation initial velocity
12mm/min; The outlet of diameter 250 bell cover is Laminar Flow u=0.017m/s, the horizontal flow velocity of runner the widest part
u＝3/2*(3600*0.23552*1.2)＝0.0015m/s
Speed meets settlement request
Turbid liquid charging tube seat inner outlet end axial flow velocity change
Classifier overflow pipe flow 3.6m/s
d＝25 u＝2m/s
d＝50 u＝0.5m/s
d＝150 u＝0.057m/s
d＝300 u＝0.014m/s
Re＝(0.15*0.057*1000)/(1/1000)＝8550
Re＝(0.3*0.014*1000)/(1/1000)＝4200
In subsider, the flow regime of any position is close to laminar flow
Particle level and vertical speed component: horizontal flow to speed 120mm/min, sinking speed 12mm/min.
Claims (6)
1. a particle classifying sedimentation device, is characterized in that: comprise airflow milling (1); Stirred tank (1.1), vibratory sieve (2), pans (3), grader (4) and screw settling tank (5); Described airflow milling (1) bottom arranges discharge nozzle and is connected with stirred tank (1.1), the discharging opening of described stirred tank (1.1) is connected with vibratory sieve (2), and the discharging opening of vibratory sieve (2) is communicated with pans (3) through piping; The bottom of described pans (3) is arranged discharging opening and is communicated with grader (4) with pump (7) by pipeline; Described grader (4) is provided with overflow outlet (4.1), middle flow export (4.2) and underflow outlet (4.3), the outlet of described middle flow export and underflow is all communicated with pans (3), and between middle flow export and pans, underflow exports and be provided with flow view bucket (6) between pans; Described flow view bucket (6) comprises transparent staving (6.1), the graduated transparent baffle of band (6.2) is provided with in staving, and described transparent baffle and staving radial direction tilt to be fixed on staving in 60 degree angles interior and corresponding with being connected the pipeline that in grader, flow export or underflow export, the slurry in staving enters into pans by staving bottom discharge nozzle; Described pans (3) upper end is connected by overflow pipe with screw settling tank (5) upper side wall, described screw settling groove (5) comprises cell body (5.1), involute screw baffle plate (5.2) is set in cell body, axially arrange the feed pipe (5.3) be communicated with classifier overflow outlet conduit in cell body, the lower end of feed pipe arranges flow distribution plate (5.4).
2. particle classifying sedimentation device according to claim 1, is characterized in that: described involute screw baffle plate (5.2) is two.
3. particle classifying sedimentation device according to claim 1, is characterized in that: the pump (7) between described grader (4) and pans (3) bottom discharge pipe is bull membrane pump.
4. particle classifying sedimentation device according to claim 1, is characterized in that: described pans (3) with add measuring pump (8) by pipeline and solvent between airflow milling (1) and be connected.
5. particle classifying sedimentation device according to claim 1, is characterized in that: described vibratory sieve is ultrasonic wave vibratory sieve.
6. particle classifying sedimentation device according to claim 1, is characterized in that: the pipeline that the overflow of described grader (4) outlet (4.1), middle flow export (4.2) and underflow export (4.3) is provided with Ke Liao mass flowmenter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858266.5U CN204396120U (en) | 2014-12-30 | 2014-12-30 | Particle classifying sedimentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858266.5U CN204396120U (en) | 2014-12-30 | 2014-12-30 | Particle classifying sedimentation device |
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| Publication Number | Publication Date |
|---|---|
| CN204396120U true CN204396120U (en) | 2015-06-17 |
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| CN201420858266.5U Active CN204396120U (en) | 2014-12-30 | 2014-12-30 | Particle classifying sedimentation device |
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| CN (1) | CN204396120U (en) |
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2014
- 2014-12-30 CN CN201420858266.5U patent/CN204396120U/en active Active
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Effective date of registration: 20161026 Address after: 223801 Suqian province high tech Development Zone, Jiangshan Road, No. 23, No. Patentee after: Jiangsu Bo move new materials Limited by Share Ltd Address before: Yinzhou District Zhejiang city in Ningbo province where 315153 broad industrial park spring news site Patentee before: Ningbo Guangbo New Nanomaterials Stock Co.,Ltd. |