CN105126987B - The Raymond mill system of wind turbine not dust accumulation - Google Patents
The Raymond mill system of wind turbine not dust accumulation Download PDFInfo
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- CN105126987B CN105126987B CN201510496099.3A CN201510496099A CN105126987B CN 105126987 B CN105126987 B CN 105126987B CN 201510496099 A CN201510496099 A CN 201510496099A CN 105126987 B CN105126987 B CN 105126987B
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Abstract
The invention discloses a kind of Raymond mill system of wind turbine not dust accumulation, wind turbine, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating and are milled discharge system；Equal pressure gas branch pipe connection cyclone pipe upper end, the interior multiple cyclones of setting of cyclone pipe, the tangentially connected cyclone separator in cyclone pipe lower end, cyclonic separation lower nozzle immerse circulating water pool, and circulating water pool connects cyclone pipe upper end；It is the structure of hollow wedge that the draught fan impeller, which has blade,；Wind turbine appearance profile line is involute.The present invention realizes the equal pressure gas of lower resistance by the way that cyclone pipe and cyclone is arranged, and dust caused by Eradication System positive pressure overflows；Circulating water pool realizes that wet high-effective dedusting is recycled with miberal powder；Blade is the impeller intensity for clearing up and increasing in real time wind turbine that the structure of hollow wedge realizes dust on draught fan impeller, enhances stability and effectively prevents the safety accident that dust accumulation causes, has a extensive future.
Description
Technical field
The present invention relates to a kind of Raymond mill system, the Raymond mill system of wind turbine not dust accumulation is referred specifically to.
Background technology
Raymond mill system is a kind of equipment that extensive use is crushed, is milled with ore, since its is adaptable, cost performance
Height becomes the first choice that ore is crushed and is milled.Raymond mill be internal air circulation powder output, due in crushing process with
Elevated temperature gas expands, if ore water content is higher or has water entrance, not only results in out powder yield reduction, can also be due to water
Divide vaporization that gas is caused largely to expand.Therefore, Raymond mill is both provided with equal pressure gas branch pipe, and excessive gas is inputted bag-type dust
Device carries out purification discharge, and come dust leakage caused by avoiding crushing system from positive pressure occur, but cloth bag is when humidity is larger, interior face
Easily adherency dust, causes air permeance resistance to increase, will also result in system positive pressure, so that the gas containing a large amount of dust is leaked, make work
Environmental degradation.So keeping the equal pressure gas branch pipe of Raymond mill unimpeded, while dust separation and miberal powder recycling are realized, to improving work
Make environment, realizes that the recycling of ore dust is of great significance.
Wind turbine is the key equipment of Raymond mill system, generally centrifugal blower, the continuous, stable of wind turbine, reliably working pair
Raymond mill system is very crucial, and the occasion used due to Raymond mill system inevitably contains miberal powder dust, when blower fan work,
Air-flow by when high-speed rotating draught fan impeller since centrifugation, mineral powder granular can be detached from air-flow phase and deposit and be attached to
On draught fan impeller.
Since draught fan impeller rotating speed is generally all higher, as long as with the presence of micro miberal powder dust in air-flow, after working long hours
More dust will be accumulated, to change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification to dust
Do not clear up in time, will static and dynamic equilibrium cumulative and that draught fan impeller is altered in steps, to generate vibration.Once
The dust that encountering has part hardened, which is vibrated, to fall off, and the dynamic rotary balance far from wind turbine, then generation will shake strongly immediately
Dynamic, this may cause serious personnel and equipment safety accident.
Therefore, it if a kind of centrifugal fan impeller can be designed, can carry out clearing up automatically just without worrying to cause powder
Dirt accumulates, and all has especially important meaning for keeping the reliable and stable work of wind turbine and preventing safety accident.
Invention content
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art and provide a kind of simple and practical in structure, no
Easily cause the Raymond mill system of the wind turbine of miberal powder dust leakage not dust accumulation.
In order to overcome the deficiencies of the prior art, the present invention takes following technical scheme：
A kind of Raymond mill system of wind turbine not dust accumulation, including Raymond mill, cyclonic separation discharger, wind turbine and equal pressure gas branch
Pipe, it is characterised in that；Wind turbine, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating milling discharge system；?
Pressure gas branch pipe connection cyclone pipe upper end, the interior multiple cyclones of setting of cyclone pipe, the tangentially connected cyclone separator in cyclone pipe lower end,
The air of exhaust outlet discharge purification on cyclone separator, lower nozzle, which immerses under circulating water pool liquid level, realizes fluid-tight discharging, recirculated water
Pond connects cyclone pipe upper end through circulating pump with circulating water pipe；The wind turbine includes draught fan impeller and casing, and draught fan impeller includes leaf
Take turns backboard, impeller panel and blade, blade arrangement radial, centrosymmetric hollow wedge at impeller axle；Hollow wedge blade connects
It connects impeller panel and is welded to form impeller bodies with impeller backboard；It is solid by rivet that impeller panel is equipped with air inlet, impeller backboard
Fixed and connection shaft seat, axle bed are connected by axis hole and fan shaft；Casing is equipped with air inlet and air outlet, cabinet form
Contour line is involute, and the round heart of involute is overlapped with wind turbine axle center, and involute is since on the inside of shell air outlet, radius of crossing
It is gradually increased, terminates to shell air outlet outside, shell air outlet width is equal to involute circumference with involute circle；Casing into
Air port is equipped with cover board, also has air inlet to be convenient for connecting pipe on cover board, and axle center and impeller axle center overlap.
The return-air air hose is equipped with wind turbine connection entrance is isolated temporary storage barrel, and isolation temporary storage barrel is equipped with gravity bin gate；
Powder temporary storage barrel is equipped with below the gravity bin gate, powder temporary storage barrel is equipped with valve and discharge gate；
The casing is fixed on engine base.Casing plays sealing process, and air inlet air inlet is rotated by impeller obtains kinetic energy,
And energy conversion is carried out in casing, a part of kinetic energy is converted to the static energy of gas, makes output gas flow dynamic with speed in this way
It is exactly blower press that pressure head, which also has hydrostatic head, sum of the two,.
Shell air inlet can connect air hose according to need, and air inlet velar plate is detachable, is bolted to connection casing, machine
The scroll casing shape of shell gradually opens profile and meets closed Fan casing, conveying gas while the needs for realizing energy efficient conversion, makes output gas
Stream can reach required flow and total head.
The shell air inlet cover board is bolted to connection casing, and can dismantle.
When equipment works, wind turbine, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating milling discharging system
It unites, return-air air hose is particularly easy to deposition miberal powder in practical application, is easy for pouring wind turbine once hardened miberal powder largely is detached to fall
Middle damage equipment so design isolation temporary storage barrel keeps in the hardened miberal powder to fall at fan inlet, while realizing gas pressure
Isolation.After temporary storage barrel material stock is isolated mostly, gravity bin gate can automatic shutter, miberal powder is discharged into powder temporary storage barrel, can be with according to situation
It operates discharge gate and use is discharged in miberal powder, thoroughly eliminate the hidden danger of wind turbine abnormal damage.
Equal pressure gas branch pipe and circulating water pipe are all connected with cyclone pipe upper end, and cyclone is arranged in cyclone pipe in right amount, and steam is mixed
It closes to rotate in cyclone pipe and decline, dust is made to be captured into cyclone separator, purification is discharged in exhaust outlet on cyclone separator
Air, lower nozzle, which immerses under circulating water pool liquid level, realizes that fluid-tight discharging, miberal powder deposit in circulating water pool, and surface primary water passes through
Water circulating pump is transported to cyclone pipe upper end spray.Cyclone gas-flow resistance is far smaller than Bag filter resistance, will not cause system
Positive pressure；Multistage cyclone separation simultaneously can more thoroughly capture dust, and discharge air-flow cleanliness factor is high, greatly improve ore crushing and mill
Powder working environment.
The draught fan impeller of the present invention is in use, since blade design is at hollow wedge, and sharf radial center is symmetrical, because
And when high speed rotation, blade surface under the action of the centrifugal force have centrifugation self purification, make dust by centrifugation force effect and nothing
Method is adhered to, and is not interfered with dynamic, the static balancing of impeller thus, will not more be accumulated dust；The technical side of this blade construction
Case is particularly suitable for the big wind turbine of the big wide impeller of delivery air amount and uses.
Compared with prior art, beneficial effects of the present invention also reside in：
The equal pressure gas of lower resistance is realized by the way that cyclone pipe and cyclone is arranged, and dust caused by Eradication System positive pressure overflows；
Circulating water pool realizes that wet high-effective dedusting is recycled with miberal powder；Isolation temporary storage barrel thoroughly eliminates wind turbine and is fallen damage by hardened dust
Hidden danger.
Blade design is at hollow wedge, and sharf radial center is symmetrical, keeps the wind turbine backboard that it is connected anti-with panel
Relative torsion squeezes rigid extremely strong, the fracture of fan blade connection backboard root caused by can preventing long-time use.
Blade design is at hollow wedge, and sharf radial center is symmetrical, even with relatively thin board making wind turbine leaf
Wheel can also obtain higher intensity, ensure to stablize, reliably use, can save material, convenient for making, be also beneficial to the light of equipment
Skilfulization.
By fan blade ingehious design at hollow wedge, and the symmetrical shape of sharf radial center realizes the present invention
The real-time cleaning of dust on blade extends the service life of equipment and can effectively prevent the safety accident that dust accumulation causes,
It has a extensive future.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention
Fig. 2 is the planar structure schematic diagram of draught fan impeller.
Fig. 3 is the cross-sectional view of draught fan impeller.
Fig. 4 is the planar structure schematic diagram of wind turbine.
Fig. 5 is the three dimensional structure diagram of cyclone.
Each label indicates in figure：
A, wind turbine；C, cyclone；1, Raymond mill；2, cyclonic separation discharger；3, return-air air hose；4, equal pressure gas branch pipe connects
Mouthful；5, temporary storage barrel is isolated；6, gravity bin gate；7, valve；8, powder temporary storage barrel；9, discharge gate；10, cyclone pipe；11, whirlwind point
From device；12, circulating pump；13, circulating water pipe；14, equal pressure gas branch pipe；31, Wedge blade；32, impeller outer circle；33, impeller into
Air port；34, axle bed；35, rivet；36, axis hole；37, impeller backboard；38, impeller panel；41, impeller；42, shell air inlet；
43, involute is justified；44, engine base；45, casing；46, shell air inlet cover board；47, shell air outlet；B, shell air outlet width.
Specific implementation mode
In conjunction with attached drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, the Raymond mill system of the not dust accumulation of wind turbine shown in Fig. 3, Fig. 4 and Fig. 5, including Raymond mill 1, cyclonic separation
Discharger 2, wind turbine A and equal pressure gas branch pipe 14, wind turbine A, Raymond mill 1, cyclonic separation discharger 2 and return-air air hose 3 constitute gas
Stream cycle milling discharge system；Equal pressure gas branch pipe 14 connects 10 upper end of cyclone pipe, and multiple cyclone C are arranged in cyclone pipe 10,
The tangentially connected cyclone separator 11 in 10 lower end of cyclone pipe, the air of exhaust outlet discharge purification, lower nozzle leaching on cyclone separator 11
Enter to realize that fluid-tight discharging, circulating water pool connect 10 upper end of cyclone pipe through circulating pump 12 and circulating water pipe 13 under circulating water pool liquid level；
The wind turbine includes draught fan impeller 41 and casing 45, and draught fan impeller 41 includes impeller backboard 37, impeller panel 38 and blade 31, leaf
Piece 31 is arranged to impeller axle radial direction, centrosymmetric hollow wedge；Hollow wedge blade 31 connects impeller panel 38 and and impeller
Backboard 37 is welded to form impeller bodies；Impeller panel 38 is equipped with air inlet 33, impeller backboard 37 is fixed and connected by rivet 35
Axle bed 34, axle bed 34 are connected by axis hole 36 with fan shaft；Casing 45 is equipped with air inlet 42 and air outlet 47, casing
Appearance profile line is involute, and the round heart of involute is overlapped with wind turbine axle center, and involute is drawn since 47 inside of shell air outlet
Line radius is gradually increased with involute circle, is terminated to 47 outside of shell air outlet, shell air outlet width B is equal to involute and justifies 43
Perimeter；Shell air inlet 42 is equipped with cover board 46, also has air inlet to be convenient for connecting pipe, and axle center and impeller axle center weight on cover board
It closes.
The return-air air hose 3 is equipped with wind turbine A connection entrances is isolated temporary storage barrel 5, and isolation temporary storage barrel 5 is equipped with gravity bin gate
6；
6 lower section of the gravity bin gate is equipped with powder temporary storage barrel 8, and powder temporary storage barrel 8 is equipped with valve 7 and discharge gate 9；
The casing 45 is fixed on engine base 44.Casing 45 plays sealing process, and 42 air inlet of air inlet is revolved by impeller 41
Turn to obtain kinetic energy, and carry out energy conversion in casing 45, a part of kinetic energy is converted to the static energy of gas, makes output gas in this way
It is exactly blower press that there is stream speed dynamic head, which to also have hydrostatic head, sum of the two,.
Shell air inlet 42 can connect air hose according to need, and air inlet velar plate 46 is detachable, is bolted to connection machine
Shell 45, the scroll casing shape of casing 45 gradually open profile and meet closed Fan casing, conveying gas while the needs for realizing energy efficient conversion,
Output gas flow is set to reach required flow and total head.
The shell air inlet cover board 46 is bolted to connection casing 15, and can dismantle.
When equipment works, wind turbine A, Raymond mill 1, cyclonic separation discharger 2 and return-air air hose 3 constitute airflow circulating and are milled out
Material system, return-air air hose 3 is particularly easy to deposition miberal powder in practical application, is easy for pouring once hardened miberal powder largely is detached to fall
Equipment is damaged in wind turbine A, so design isolation temporary storage barrel 5 keeps in the hardened miberal powder to fall at fan inlet, while realizing gas
Body pressure isolation.After 5 material stock of temporary storage barrel is isolated mostly, miberal powder is discharged into powder temporary storage barrel 8, foundation by the meeting automatic shutter of gravity bin gate 6
Situation can operate discharge gate 9 and use is discharged in miberal powder, thoroughly eliminate the hidden danger of wind turbine abnormal damage.
Equal pressure gas branch pipe 14 and circulating water pipe 13 are all connected with 10 upper end of cyclone pipe, and cyclone is arranged in right amount in cyclone pipe 10
C, steam are blended in rotation in cyclone pipe 10 and decline, so that dust is captured into cyclone separator 11, arranged on cyclone separator 11
The air of gas port discharge purification, lower nozzle, which immerses under circulating water pool liquid level, realizes that fluid-tight discharging, miberal powder deposit in circulating water pool,
Surface primary water is transported to 10 upper end of cyclone pipe spray by water circulating pump 12.Cyclone C gas-flow resistances are far smaller than cloth bag mistake
Filtration resistance power will not cause system positive pressure；Multistage cyclone separation simultaneously can more thoroughly capture dust, and discharge air-flow cleanliness factor is high, pole
It is big to improve ore crushing and milling working environment.
The draught fan impeller of the present invention is in use, since blade design is at hollow wedge, and sharf radial center is symmetrical,
Thus high speed rotation when, blade surface under the action of the centrifugal force have centrifugation self purification, make dust by centrifugation force effect and
It can not adhere to, not interfere with dynamic, the static balancing of impeller thus, will not more accumulate dust；The technology of this blade construction
Scheme is particularly suitable for the big wide impeller air-introduced machine of delivery air amount and uses.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.It is any to be familiar with sheet
The technical staff in field, without deviating from the scope of the technical scheme of the present invention, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, all
It is the content without departing from technical solution of the present invention, technical spirit is made to the above embodiment according to the present invention any simply repaiies
Change, equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (4)
1. a kind of Raymond mill system of wind turbine not dust accumulation, including Raymond mill, cyclonic separation discharger, wind turbine and equal pressure gas branch
Pipe, it is characterised in that；Wind turbine, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating milling discharge system；?
Pressure gas branch pipe connection cyclone pipe upper end, the interior multiple cyclones of setting of cyclone pipe, the tangentially connected cyclone separator in cyclone pipe lower end,
The air of exhaust outlet discharge purification on cyclone separator, lower nozzle, which immerses under circulating water pool liquid level, realizes fluid-tight discharging, recirculated water
Pond connects cyclone pipe upper end through circulating pump with circulating water pipe；The wind turbine includes draught fan impeller and casing, and draught fan impeller includes leaf
Take turns backboard, impeller panel and blade, blade arrangement radial, centrosymmetric hollow wedge at impeller axle；Hollow wedge blade connects
It connects impeller panel and is welded to form impeller bodies with impeller backboard；It is solid by rivet that impeller panel is equipped with air inlet, impeller backboard
Fixed and connection shaft seat, axle bed are connected by axis hole and fan shaft；Casing is equipped with air inlet and air outlet, cabinet form
Contour line is involute, and the round heart of involute is overlapped with wind turbine axle center, and involute is since on the inside of shell air outlet, radius of crossing
It is gradually increased, terminates to shell air outlet outside, shell air outlet width is equal to involute circumference with involute circle；Casing into
Air port is equipped with cover board, also has air inlet to be convenient for connecting pipe on cover board, and axle center and impeller axle center overlap；The return-air air hose with
Wind turbine connects entrance and is equipped with isolation temporary storage barrel, and isolation temporary storage barrel is equipped with gravity bin gate.
2. the Raymond mill system of wind turbine not dust accumulation according to claim 1, it is characterised in that：It is equipped with below the gravity bin gate
Powder temporary storage barrel, powder temporary storage barrel are equipped with valve and discharge gate.
3. the Raymond mill system of wind turbine according to claim 1 or claim 2 not dust accumulation, it is characterised in that：The casing is fixed on machine
On seat.
4. the Raymond mill system of wind turbine according to claim 1 or claim 2 not dust accumulation, it is characterised in that：The shell air inlet lid
Plate is bolted to connection casing, and can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496099.3A CN105126987B (en) | 2015-08-14 | 2015-08-14 | The Raymond mill system of wind turbine not dust accumulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496099.3A CN105126987B (en) | 2015-08-14 | 2015-08-14 | The Raymond mill system of wind turbine not dust accumulation |
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| CN105126987A CN105126987A (en) | 2015-12-09 |
| CN105126987B true CN105126987B (en) | 2018-10-30 |
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| CN111921631A (en) * | 2019-09-19 | 2020-11-13 | 云南七丹药业股份有限公司 | Hawthorn powder and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5916521A (en) * | 1982-07-21 | 1984-01-27 | Jii Ii De Eng Kk | Construction of vortex centrifugal type rotary filtering and dust catching device |
| CN87200183U (en) * | 1987-01-10 | 1987-10-14 | 安徽省风机厂 | Low noise ventilator |
| CN2664758Y (en) * | 2003-07-09 | 2004-12-22 | 马力 | Highly effective dedusting aeration air purification system |
| CN101905186B (en) * | 2010-07-28 | 2012-02-08 | 河南天利碳素材料有限公司 | Cooling Raymond mill and preparation method of powder for pressing graphite products |
| CN102824801B (en) * | 2012-09-21 | 2014-08-06 | 李茂臣 | Rotary wet dust collector |
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Effective date of registration: 20191030 Address after: 233400 building 111, No.8 pedestrian street, middle section of Yuwang Road, Huaiyuan County, Bengbu City, Anhui Province Patentee after: Huaiyuan Hanbang Technology Consulting Co., Ltd Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Patentee before: Jishou University |
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Effective date of registration: 20191226 Address after: 226100 No. 99 Development Avenue, Haimen Port New Area, Haimen City, Nantong City, Jiangsu Province Patentee after: Jiangsu Caster Friends Zirconium and Titanium Technology Co., Ltd. Address before: 233400 building 111, No.8 pedestrian street, middle section of Yuwang Road, Huaiyuan County, Bengbu City, Anhui Province Patentee before: Huaiyuan Hanbang Technology Consulting Co., Ltd |
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