CN104998744A - Raymond mill device provided with fan capable of preventing dust accumulation - Google Patents
Raymond mill device provided with fan capable of preventing dust accumulation Download PDFInfo
- Publication number
- CN104998744A CN104998744A CN201510496140.7A CN201510496140A CN104998744A CN 104998744 A CN104998744 A CN 104998744A CN 201510496140 A CN201510496140 A CN 201510496140A CN 104998744 A CN104998744 A CN 104998744A
- Authority
- CN
- China
- Prior art keywords
- impeller
- blower fan
- cyclone
- raymond mill
- fan
- Prior art date
- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a Raymond mill device provided with a fan capable of preventing dust accumulation. An air circulation powder grinding and discharging system consists of the fan, a Raymond mill, a cyclone separation discharging device and an air-returning pipe; a pressure-equalizing exhaust branch pipe is connected with the upper end of a cyclone pipe, a plurality of cyclones are arranged in the cyclone pipe, the lower end of the cyclone pipe is tangentially connected with a cyclone separator, and a lower pipe port of the cyclone separator is immersed in a circulation water tank which is connected with the upper end of the cyclone pipe; each blade of an impeller of the fan adopts a hollow and inversed drop-shaped structure; the outline of the fan is an involute. Low-resistance and pressure-equalizing exhaust is realized by means of the cyclone pipe and the cyclones, and dust overflowing caused by positive pressure of the system is eradicated; wet-process efficient dust removal and mineral powder recovery are realized through the circulation water tank; the blades adopt the hollow and inversed drop-shaped structures, so that dust on the impeller of the induced draft fan is cleared in time, the impeller strength of the fan is increased, the stability is enhanced, safety accidents caused by dust accumulation are effectively prevented, and the Raymond mill device has a wide application prospect.
Description
Technical field
The present invention relates to a kind of Raymond mill device, specifically refer to the Raymond mill device of blower fan not laying dust.
Background technology
Raymond mill device is the equipment of a kind of extensive use and ore grinding, abrasive dust, because its strong adaptability, cost performance are high, becomes the first-selection of ore grinding and abrasive dust.Raymond mill is that internal air circulation powder exports, and owing to expanding with elevated temperature gas in crushing process, if ore water content is higher or have water to enter, powder yield not only can be caused out to reduce, and also gas can be caused to expand in a large number due to moisture vaporization.Therefore, Raymond mill is all provided with equal pressure gas branch pipe, excessive gas is inputted sack cleaner and carry out purification discharge, avoid crushing system to occur the dust leakage that malleation causes, but cloth bag is when humidity is larger, inner face easily adheres to dust, air permeance resistance is caused to increase, also can cause system malleation, make the Leakage Gas containing a large amount of dust, working environment is worsened.So, keep Raymond mill equal pressure gas branch pipe unimpeded, realize udst separation and breeze recovery simultaneously, to improving working environment, realizing ore dust and reclaiming significant.
Blower fan is the key equipment of Raymond mill device; be generally centrifugal blower; blower fan continuous, stable, reliably working is very crucial to Raymond mill device; the occasion used due to Raymond mill device inevitably contains breeze dust; during blower fan work; air-flow by during the draught fan impeller of High Rotation Speed due to centrifugation, mineral powder granular can depart from air-flow phase and deposit and be attached on draught fan impeller.
Because draught fan impeller rotating speed is general all higher, as long as there is micro-breeze dust to exist in air-flow, all more dust can be accumulated after working long hours, thus change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not clear up in time to dust yet, will cumulative and progressively change draught fan impeller Static and dynamic balance, thus produce vibration.Have the dust that part hardens to be come off by vibration once run into, will balance away from the dynamic rotary of blower fan immediately, then produce judder, this may cause serious personnel and device security accident.
Therefore, if can a kind of centrifugal fan impeller be designed, Automatic clearance can be carried out and just do not worry causing dust to accumulate, for keeping the reliable and stable work of blower fan and stopping the meaning that security incident all has particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of simple and practical, the Raymond mill device of the blower fan not easily causing breeze dust leakage not laying dust.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A Raymond mill device for blower fan not laying dust, comprises Raymond mill, cyclonic separation discharger, blower fan and equal pressure gas branch pipes, it is characterized in that; Blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe connects cyclone pipe upper end, in cyclone pipe, multiple cyclone is set, cyclone pipe lower end tangentially connects cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe upper end through circulating pump with circulating water pipe; Described blower fan comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade of hollow connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described return-air airduct is connected import department and is provided with isolation temporary storage barrel with blower fan, isolation temporary storage barrel is provided with gravity bin gate;
Be provided with powder temporary storage barrel below described gravity bin gate, powder temporary storage barrel is provided with valve and discharge gate;
The anti-water-drop-shaped blade of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
Described casing is fixed on support.Casing plays sealing process, air inlet air inlet obtains kinetic energy by vane rotary, and carries out power conversion in casing, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet can connect airduct according to need, air inlet cover plate is detachable, be bolted to connection casing, the scroll casing shape of casing is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate is bolted to connection casing, and can dismantle.
During equipment work, blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system, in practical application, return-air airduct especially easily deposits breeze, depart from a large number to fall once the breeze that hardens and just easily pour damage equipment in blower fan, so keep at fan inlet place design isolated temporary storage barrel the breeze hardening and fall, realize gas pressure isolation simultaneously.Isolation temporary storage barrel material stock how after, gravity bin gate can automatic shutter, breeze is entered powder temporary storage barrel, can operate discharge gate and be discharged by breeze and use, thoroughly eliminate the hidden danger of blower fan abnormal damage according to situation.
Equal pressure gas branch pipe and circulating water pipe are all connected cyclone pipe upper end, in cyclone pipe, cyclone is set in right amount, steam is blended in cyclone pipe to rotate and declines, dust is captured and enters cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and breeze deposits in circulating water pool, and surperficial primary water is transported to cyclone pipe upper end spray by water circulating pump.Cyclone gas-flow resistance is far smaller than Bag filter resistance, can not cause system malleation; Multistage cyclone separation energy more thoroughly catches dust simultaneously, and discharge air-flow cleanliness factor is high, greatly improves ore grinding and abrasive dust working environment.
When draught fan impeller of the present invention uses, because blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, is particularly suitable for the large blower fan of the large wide impeller of delivery air amount and adopts.
Compared with prior art, beneficial effect of the present invention is also:
By arranging cyclone pipe and cyclone realizes the equal pressure gas of lower resistance, the dust that Eradication System malleation causes overflows; Circulating water pool realizes wet high-effective dedusting and breeze reclaims; Isolation temporary storage barrel thoroughly eliminate blower fan by the dust that hardens fall damage hidden danger.
Blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, and the blower fan backboard making it connect and the anti-relative torsion of panel, to extrude rigidity extremely strong, can stop to use the fan blade caused to connect the fracture of backboard root for a long time.
Blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, even also can obtain higher intensity with thinner board making draught fan impeller, ensures to stablize, reliably use, can save material, be convenient to make, be also conducive to light and handyization of equipment.
The anti-water-drop-shaped blade of hollow has streamline profile, and blade air steadily skimming over property is fabulous, so fan operation noise is little especially, improves working environment.
Fan blade ingehious design is become the anti-water-drop-shaped of hollow by the present invention, and the shape of sharf radial center symmetry, achieve the real-time cleaning of dust on blade, extend the service life of equipment and effectively can stop the security incident that dust accumulates initiation, having a extensive future.
Accompanying drawing explanation
Fig. 1 is 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 blower fan.
Fig. 5 is the three-dimensional structure schematic diagram of cyclone.
In figure, each label represents:
A, blower fan; C, cyclone; 1, Raymond mill; 2, cyclonic separation discharger; 3, return-air airduct; 4, equal pressure gas branch pipe interface; 5, temporary storage barrel is isolated; 6, gravity bin gate; 7, valve; 8, powder temporary storage barrel; 9, discharge gate; 10, cyclone pipe; 11, cyclone separator; 12, circulating pump; 13, circulating water pipe; 14, equal pressure gas branch pipe; 31, anti-water-drop-shaped blade; 32, impeller cylindrical; 33, impeller air inlet; 34, axle bed; 35, rivet; 36, axis hole; 37, impeller backboard; 38, impeller panel; 41, impeller; 42, shell air inlet; 43, involute circle; 44, support; 45, casing; 46, shell air inlet cover plate; 47, shell air outlet; B, shell air outlet width.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in Figure 1, Figure 2, the Raymond mill device of the not laying dust of blower fan shown in Fig. 3, Fig. 4 and Fig. 5, comprise Raymond mill 1, cyclonic separation discharger 2, blower fan A and equal pressure gas branch pipe 14, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air airduct 3 form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe 14 connects cyclone pipe 10 upper end, multiple cyclone C is set in cyclone pipe 10, cyclone pipe 10 lower end tangentially connects cyclone separator 11, on cyclone separator 11, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe 10 upper end through circulating pump 12 with circulating water pipe 13; Described blower fan comprises draught fan impeller 41 and casing 45, and draught fan impeller 41 comprises impeller backboard 37, impeller panel 38 and blade 31, and blade 31 is arranged to impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade 31 of hollow connects impeller panel 38 and is welded to form impeller bodies with impeller backboard 37; Impeller panel 38 is provided with air inlet 33, impeller backboard 37 by the fixing also connection shaft seat 34 of rivet 35, and axle bed 34 is connected by axis hole 36 and fan shaft; Casing 45 is provided with air inlet 42 and air outlet 47, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet 47, line radius strengthens gradually with involute circle, terminate outside shell air outlet 47, shell air outlet width B equals involute circle 43 girths; Shell air inlet 42 is provided with cover plate 46, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described return-air airduct 3 is connected import department and is provided with and isolates temporary storage barrel 5 with blower fan A, isolation temporary storage barrel 5 is provided with gravity bin gate 6;
Be provided with powder temporary storage barrel 8 below described gravity bin gate 6, powder temporary storage barrel 8 is provided with valve 7 and discharge gate 9;
The anti-water-drop-shaped blade 31 of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
Described casing 45 is fixed on support 44.Casing 45 plays sealing process, air inlet 42 air inlet is rotated by impeller 41 and obtains kinetic energy, and carries out power conversion in casing 45, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet 42 can connect airduct according to need, air inlet cover plate 46 is detachable, be bolted to connection casing 45, the scroll casing shape of casing 45 is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate 46 is bolted to connection casing 15, and can dismantle.
During equipment work, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air airduct 3 form airflow circulating abrasive dust discharge system, in practical application, return-air airduct 3 especially easily deposits breeze, depart from a large number to fall once the breeze that hardens and just easily pour damage equipment in blower fan A, so at the temporary breeze fallen that hardens of fan inlet place design isolated temporary storage barrel 5, realize gas pressure isolation simultaneously.Isolation temporary storage barrel 5 material stock how after, gravity bin gate 6 can automatic shutter, breeze is entered powder temporary storage barrel 8, can operate discharge gate 9 and be discharged by breeze and use, thoroughly eliminate the hidden danger of blower fan abnormal damage according to situation.
Equal pressure gas branch pipe 14 and circulating water pipe 13 are all connected cyclone pipe 10 upper end, in cyclone pipe 10, cyclone C is set in right amount, steam is blended in cyclone pipe 10 to rotate and declines, dust is captured and enters cyclone separator 11, on cyclone separator 11, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and breeze deposits in circulating water pool, and surperficial primary water is transported to cyclone pipe 10 upper end spray by water circulating pump 12.Cyclone C gas-flow resistance is far smaller than Bag filter resistance, can not cause system malleation; Multistage cyclone separation energy more thoroughly catches dust simultaneously, and discharge air-flow cleanliness factor is high, greatly improves ore grinding and abrasive dust working environment.
When draught fan impeller of the present invention uses, because blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, the wide impeller air-introduced machine being particularly suitable for delivery air amount large adopts.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (6)
1. a Raymond mill device for blower fan not laying dust, comprises Raymond mill, cyclonic separation discharger, blower fan and equal pressure gas branch pipes, it is characterized in that; Blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe connects cyclone pipe upper end, in cyclone pipe, multiple cyclone is set, cyclone pipe lower end tangentially connects cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe upper end through circulating pump with circulating water pipe; Described blower fan comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade of hollow connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
2. the Raymond mill device of blower fan not laying dust according to claim 1, it is characterized in that: described return-air airduct is connected import department and is provided with isolation temporary storage barrel with blower fan, isolation temporary storage barrel is provided with gravity bin gate.
3. the Raymond mill device of blower fan not laying dust according to claim 2, is characterized in that: be provided with powder temporary storage barrel below described gravity bin gate, powder temporary storage barrel is provided with valve and discharge gate.
4. the Raymond mill device of blower fan not laying dust according to claim 1 or 2, is characterized in that: the anti-water-drop-shaped blade of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
5. the Raymond mill device of blower fan not laying dust according to claim 1 or 2, is characterized in that: described casing is fixed on support.
6. the Raymond mill device of blower fan not laying dust according to claim 1 or 2, is characterized in that: described shell air inlet cover 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 true CN104998744A (en) | 2015-10-28 |
| CN104998744B 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) |
Cited By (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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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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 |
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| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104998744B (en) | 2019-03-26 |
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Effective date of registration: 20190214 Address after: 416117 Tianmen village, Wu Xi Town, Luxi County, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Applicant after: Luxi Xinxing Chemical Industry Co., Ltd. Address before: 416000 No. 120 Renmin South Road, Jishou City, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Applicant before: Jishou University |
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