CN104998744B - The Raymond mill device of blower not dust accumulation - Google Patents
The Raymond mill device of blower not dust accumulation Download PDFInfo
- Publication number
- CN104998744B CN104998744B CN201510496140.7A CN201510496140A CN104998744B CN 104998744 B CN104998744 B CN 104998744B CN 201510496140 A CN201510496140 A CN 201510496140A CN 104998744 B CN104998744 B CN 104998744B
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- China
- Prior art keywords
- blower
- impeller
- cyclone
- raymond mill
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- B02C23/28—Passing gas through crushing or disintegrating zone gas moving means being integral with, or attached to, crushing or disintegrating element
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/10—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force having air recirculating within the apparatus
Abstract
The invention discloses a kind of Raymond mill device of blower not dust accumulation, blower, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating and are milled discharge system；Equal pressure gas branch pipe connects cyclone pipe upper end, the multiple cyclones of setting in cyclone pipe, the tangentially connected cyclone separator in cyclone pipe lower end, and cyclonic separation lower nozzle immerses circulating water pool, and circulating water pool connects cyclone pipe upper end；It is the structure of hollow anti-water-drop-shaped that the draught fan impeller, which has blade,；Blower appearance profile line is involute.The present invention realizes that the equal pressure gas of lower resistance, dust caused by Eradication System positive pressure overflow by setting cyclone pipe and cyclone；Circulating water pool realizes that wet high-effective dedusting and miberal powder are recycled；Blade realizes the real-time of dust on draught fan impeller for the structure of hollow anti-water-drop-shaped and clears up and increase the impeller intensity of blower, 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 device, the Raymond mill device of blower not dust accumulation is referred specifically to.
Background technique
Raymond mill device 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 expansion not only results in out powder yield reduction if ore water content is higher or has water entrance, 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, dust leakage caused by positive pressure occurs to avoid crushing system, 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, leak the gas containing a large amount of dust, 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 improvement work
Make environment, realizes that the recycling of ore dust is of great significance.
Blower is the key equipment of Raymond mill device, generally centrifugal blower, the continuous, stable of blower, reliably working pair
Raymond mill device is very crucial, since the occasion that Raymond mill device uses inevitably contains miberal powder dust, when blower works,
Air-flow is by the way that, due to centrifugation, mineral powder granular can be detached from air-flow phase and deposit and be attached to when high-speed rotating draught fan impeller
On draught fan impeller.
Since draught fan impeller revolving 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 far from blower will balance immediately, then generate strong vibration
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 accumulation has especially important meaning for keeping the reliable and stable work of blower and preventing safety accident all.
Summary of the invention
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 device of the blower 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 device of blower not dust accumulation, including Raymond mill, cyclonic separation discharger, blower and equal pressure gas branch
Pipe, it is characterised in that；Blower, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating milling discharge system；?
Pressure gas branch pipe connects cyclone pipe upper end, the multiple cyclones of setting in 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 blower includes draught fan impeller and casing, and draught fan impeller includes leaf
Take turns backboard, impeller panel and blade, blade arrangement radial, centrosymmetric hollow anti-water-drop-shaped at impeller shaft；Hollow drop of turning one's coat
Shape blade connection impeller panel is simultaneously welded to form impeller bodies with impeller backboard；It is logical that impeller panel is equipped with air inlet, impeller backboard
Rivet fixed simultaneously connection shaft seat, axle bed is crossed to be cooperatively 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 blower axle center, involute is on the inside of the shell air outlet,
Scribing line radius is gradually increased with involute circle, is terminated to shell air outlet outside, shell air outlet width is equal to involute circumference
It is long；Shell air inlet is equipped with cover board, also has air inlet convenient for connecting pipe on cover board, and axle center and impeller axle center are overlapped.
The return-air air hose is equipped with blower 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 hollow anti-water-drop-shaped blade is combined by the welding of two panels Curved surface metal, and has symmetrical streamline shape.
The casing is fixed on 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
For pressure head there are also hydrostatic head, sum of the two is exactly blower press.
Shell air inlet can connect air hose according to need, and air inlet velar plate is detachable, be 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 to export gas
Stream can achieve required flow and total pressure.
The shell air inlet cover board is bolted to connection casing, and can dismantle.
When equipment works, blower, 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 blower once hardened miberal powder is largely 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 blower 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 and rotates decline in cyclone pipe, dust is made to be captured into cyclone separator, exhaust outlet discharge purification on cyclone separator
Air, lower nozzle, which immerses under circulating water pool liquid level, realizes fluid-tight discharging, and miberal powder deposits 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, not will cause system
Positive pressure；Multistage cyclone separation simultaneously can more thoroughly capture dust, and discharge air-flow cleanliness is high, greatly improve ore crushing and mill
Powder working environment.
Draught fan impeller of the invention is in use, since blade design is at hollow anti-water-drop-shaped, and sharf radial center pair
Claim, thus when high speed rotation, blade surface has centrifugation self purification under the action of the centrifugal force, acts on dust by centrifugal force
And can not adhere to, it thus will not influence dynamic, the static balancing of impeller, will not more accumulate dust；The skill of this blade construction
Art scheme is particularly suitable for the big blower of the big wide impeller of delivery air amount and uses.
Compared with prior art, beneficial effects of the present invention also reside in:
Realize that the equal pressure gas of lower resistance, dust caused by Eradication System positive pressure overflow by setting cyclone pipe and cyclone；
Circulating water pool realizes that wet high-effective dedusting and miberal powder are recycled；Isolation temporary storage barrel thoroughly eliminates blower and is fallen damage by hardened dust
Hidden danger.
Blade design is at hollow anti-water-drop-shaped, and sharf radial center is symmetrical, the blower backboard for connecting it and face
The anti-relative torsion of plate, extruding rigidity are extremely strong, can prevent the fracture of the connection of fan blade caused by long-time use backboard root.
Blade design is at hollow anti-water-drop-shaped, and sharf radial center is symmetrical, even with relatively thin board making wind
Machine impeller can also obtain higher intensity, guarantee to stablize, reliably use, can save material, convenient for production, be also beneficial to equipment
Light and handyization.
Hollow anti-water-drop-shaped blade has streamline shape, and steadily skimming over property is fabulous for blade air, so fan operation noise
It is especially small, improve working environment.
For the present invention by fan blade ingehious design at hollow anti-water-drop-shaped, and the symmetrical shape of sharf radial center is real
The real-time cleaning for having showed dust on blade extends the service life of equipment and can effectively prevent the safe thing that dust accumulation causes
Therefore it has a extensive future.
Detailed description of the invention
Fig. 1 is planar structure schematic diagram of the invention
Fig. 2 is the planar structure schematic diagram of draught fan impeller.
Fig. 3 is the schematic diagram of the section structure of draught fan impeller.
Fig. 4 is the planar structure schematic diagram of blower.
Fig. 5 is the three dimensional structure diagram of cyclone.
Each label indicates in figure:
A, blower；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, anti-water-drop-shaped blade；32, impeller outer circle；33, leaf
Take turns air inlet；34, axle bed；35, rivet；36, axis hole；37, impeller backboard；38, impeller panel；41, impeller；42, casing is entered the wind
Mouthful；43, involute circle；44, base；45, casing；46, shell air inlet cover board；47, shell air outlet；B, shell air outlet is wide
Degree.
Specific embodiment
Now in conjunction with attached drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, the Raymond mill device of the not dust accumulation of blower shown in Fig. 3, Fig. 4 and Fig. 5, including Raymond mill 1, cyclonic separation
Discharger 2, blower A and equal pressure gas branch pipe 14, blower A, Raymond mill 1, cyclonic separation discharger 2 and return-air air hose 3 constitute gas
Stream circulation milling discharge system；Equal pressure gas branch pipe 14 connects 10 upper end of cyclone pipe, the multiple cyclone C of setting 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 fluid-tight discharging under circulating water pool liquid level, circulating water pool connects 10 upper end of cyclone pipe through circulating pump 12 and circulating water pipe 13；
The blower 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 shaft radial direction, centrosymmetric hollow anti-water-drop-shaped；Hollow anti-water-drop-shaped blade 31 connects impeller panel 38
And impeller bodies are welded to form with impeller backboard 37；It is solid by rivet 35 that impeller panel 38 is equipped with air inlet 33, impeller backboard 37
Fixed and connection shaft seat 34, axle bed 34 are cooperatively connected by axis hole 36 with fan shaft；Casing 45 is equipped with air inlet 42 and outlet air
Mouth 47, cabinet form contour line is involute, and the round heart of involute is overlapped with blower axle center, and involute is out of shell air outlet 47
Side starts, scribing line radius with involute circle is gradually increased, to shell air outlet 47 on the outside of terminate, shell air outlet width B is equal to
Involute justifies 43 perimeters；Shell air inlet 42 is equipped with cover board 46, also has air inlet to be convenient for connecting pipe, and axle center and leaf on cover board
Axle center is taken turns to be overlapped.
The return-air air hose 3 is equipped with blower A connection entrance is isolated temporary storage barrel 5, and isolation temporary storage barrel 5 is equipped with gravity bin gate
6；
Powder temporary storage barrel 8 is equipped with below the gravity bin gate 6, powder temporary storage barrel 8 is equipped with valve 7 and discharge gate 9；
The hollow anti-water-drop-shaped blade 31 is combined by the welding of two panels Curved surface metal, and has symmetrical streamline shape.
The casing 45 is fixed on 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 to export gas in this way
Stream has speed dynamic head there are also hydrostatic head, and sum of the two is exactly blower press.
Shell air inlet 42 can connect air hose according to need, and air inlet velar plate 46 is detachable, be 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 can achieve required flow and total pressure.
The shell air inlet cover board 46 is bolted to connection casing 15, and can dismantle.
When equipment works, blower 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 is largely detached to fall
Equipment is damaged in blower 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 blower 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 decline in cyclone pipe 10, so that dust is captured into cyclone separator 11, arrange on cyclone separator 11
The air of port discharge purification, lower nozzle, which immerses under circulating water pool liquid level, realizes fluid-tight discharging, and miberal powder deposits 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 resistance is far smaller than cloth bag mistake
Filtration resistance power not will cause system positive pressure；Multistage cyclone separation simultaneously can more thoroughly capture dust, and discharge air-flow cleanliness is high, pole
Ore crushing and milling working environment are improved greatly.
Draught fan impeller of the invention is in use, since blade design is at hollow anti-water-drop-shaped, and sharf radial center
Symmetrically, thus when high speed rotation, blade surface has centrifugation self purification under the action of the centrifugal force, makes dust by centrifugation masterpiece
With and can not adhere to, thus will not influence dynamic, the static balancing of impeller, will not more accumulate dust；This blade construction
Technical solution 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 or equivalent example modified to equivalent change are made to technical solution of the present invention.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 repairs
Change, equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (3)
1. a kind of Raymond mill device of blower not dust accumulation, including Raymond mill, cyclonic separation discharger, blower and equal pressure gas branch
Pipe, it is characterised in that；Blower, Raymond mill, cyclonic separation discharger and return-air air hose constitute airflow circulating milling discharge system；?
Pressure gas branch pipe connects cyclone pipe upper end, the multiple cyclones of setting in 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 blower includes draught fan impeller and casing, and draught fan impeller includes leaf
Take turns backboard, impeller panel and blade, blade arrangement radial, centrosymmetric hollow anti-water-drop-shaped at impeller shaft；Hollow drop of turning one's coat
Shape blade connection impeller panel is simultaneously welded to form impeller bodies with impeller backboard；It is logical that impeller panel is equipped with air inlet, impeller backboard
Rivet fixed simultaneously connection shaft seat, axle bed is crossed to be cooperatively 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 blower axle center, involute is on the inside of the shell air outlet,
Scribing line radius is gradually increased with involute circle, is terminated to shell air outlet outside, shell air outlet width is equal to involute circumference
It is long；Shell air inlet is equipped with cover board, also has air inlet convenient for connecting pipe on cover board, and axle center and impeller axle center are overlapped；It is described
Return-air air hose is equipped with blower connection entrance is isolated temporary storage barrel, and isolation temporary storage barrel is equipped with gravity bin gate；Under the gravity bin gate
Side is equipped with powder temporary storage barrel, and powder temporary storage barrel is equipped with valve and discharge gate；The hollow anti-water-drop-shaped blade is by two panels curved surface
Metal soldering group synthesis, and there is symmetrical streamline shape.
2. the Raymond mill device of blower not dust accumulation according to claim 1, it is characterised in that: the casing is fixed on base
On.
3. the Raymond mill device of blower 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 |
|---|---|---|---|
| CN201510496140.7A CN104998744B (en) | 2015-08-14 | 2015-08-14 | The Raymond mill device of blower not dust accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496140.7A CN104998744B (en) | 2015-08-14 | 2015-08-14 | The Raymond mill device of blower not dust accumulation |
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| Publication Number | Publication Date |
|---|---|
| CN104998744A CN104998744A (en) | 2015-10-28 |
| CN104998744B true CN104998744B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510496140.7A Active CN104998744B (en) | 2015-08-14 | 2015-08-14 | The Raymond mill device of blower not dust accumulation |
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| Country | Link |
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| CN (1) | CN104998744B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744858A (en) * | 2017-11-16 | 2018-03-02 | 温岭市忠盛金属材料有限公司 | Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder |
| CN115193535A (en) * | 2022-07-06 | 2022-10-18 | 吉首大学 | Civil construction waste treatment device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1245743A1 (en) * | 1984-11-27 | 1986-07-23 | Gospodarchuk Boris T | Blade |
| CN2109254U (en) * | 1991-07-26 | 1992-07-08 | 衢州市重质碳酸钙厂 | Improved analyzer of reymon mill |
| CN2183223Y (en) * | 1994-03-18 | 1994-11-23 | 杨剑 | High-efficiency powder-sorting machine |
| CN2284104Y (en) * | 1996-09-06 | 1998-06-17 | 巩义市杨里新星建材厂 | Circulating air superfine pulverizing classifier |
| CN1201021A (en) * | 1997-05-31 | 1998-12-09 | 唐飞荣 | Technology and apparatus for producing cement |
| CN2439326Y (en) * | 2000-08-23 | 2001-07-18 | 张永和 | Vertical, high speed impact type disintegrating system |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| CN103301909A (en) * | 2013-06-21 | 2013-09-18 | 王山之 | Improved Raymond mill |
| CN204816834U (en) * | 2015-08-14 | 2015-12-02 | 吉首大学 | Fan is raymond mill device of laying dust not |
-
2015
- 2015-08-14 CN CN201510496140.7A patent/CN104998744B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1245743A1 (en) * | 1984-11-27 | 1986-07-23 | Gospodarchuk Boris T | Blade |
| CN2109254U (en) * | 1991-07-26 | 1992-07-08 | 衢州市重质碳酸钙厂 | Improved analyzer of reymon mill |
| CN2183223Y (en) * | 1994-03-18 | 1994-11-23 | 杨剑 | High-efficiency powder-sorting machine |
| CN2284104Y (en) * | 1996-09-06 | 1998-06-17 | 巩义市杨里新星建材厂 | Circulating air superfine pulverizing classifier |
| CN1201021A (en) * | 1997-05-31 | 1998-12-09 | 唐飞荣 | Technology and apparatus for producing cement |
| CN2439326Y (en) * | 2000-08-23 | 2001-07-18 | 张永和 | Vertical, high speed impact type disintegrating system |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| CN103301909A (en) * | 2013-06-21 | 2013-09-18 | 王山之 | Improved Raymond mill |
| CN204816834U (en) * | 2015-08-14 | 2015-12-02 | 吉首大学 | Fan is raymond mill device of laying dust not |
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| Publication number | Publication date |
|---|---|
| CN104998744A (en) | 2015-10-28 |
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