CA1132513A - Low pressure drop pulverizer throat - Google Patents
Low pressure drop pulverizer throatInfo
- Publication number
- CA1132513A CA1132513A CA356,531A CA356531A CA1132513A CA 1132513 A CA1132513 A CA 1132513A CA 356531 A CA356531 A CA 356531A CA 1132513 A CA1132513 A CA 1132513A
- Authority
- CA
- Canada
- Prior art keywords
- throat
- pulverizer
- air
- vanes
- outlet
- 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.)
- Expired
Links
- 230000003628 erosive effect Effects 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims description 18
- 239000011343 solid material Substances 0.000 claims description 8
- 239000003245 coal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 11
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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
- B02C4/00—Crushing or disintegrating by roller mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/001—Air flow directing means positioned on the periphery of the horizontally rotating milling surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/06—Mills with rollers forced against the interior of a rotary ring, e.g. under spring action
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/079,775 US4264041A (en) | 1979-09-28 | 1979-09-28 | Low pressure drop pulverizer throat |
| US79,775 | 1979-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1132513A true CA1132513A (en) | 1982-09-28 |
Family
ID=22152744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA356,531A Expired CA1132513A (en) | 1979-09-28 | 1980-07-18 | Low pressure drop pulverizer throat |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4264041A (enExample) |
| KR (1) | KR850000378B1 (enExample) |
| AU (1) | AU518835B2 (enExample) |
| BR (1) | BR8005768A (enExample) |
| CA (1) | CA1132513A (enExample) |
| IL (1) | IL60737A (enExample) |
| IN (1) | IN153161B (enExample) |
| IT (1) | IT1132401B (enExample) |
| MX (1) | MX150574A (enExample) |
| ZA (1) | ZA804671B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635566A (en) * | 1982-04-09 | 1987-01-13 | Oconnor Chadwell | Fuel mixer and burner |
| US4522343A (en) * | 1982-12-13 | 1985-06-11 | Williams Patent Crusher And Pulverizer Company | Micronized grinding apparatus |
| US4505435A (en) * | 1983-05-16 | 1985-03-19 | Combustion Engineering, Inc. | Apparatus for removal of troublesome mineral matter from pulverized coal |
| JPS6181488A (ja) * | 1984-09-28 | 1986-04-25 | Babcock Hitachi Kk | 石炭−水スラリ製造方法 |
| US4687145A (en) * | 1985-12-12 | 1987-08-18 | The Babcock & Wilcox Company | Roll-and-race pulverizer with rotating throat |
| US4721258A (en) * | 1985-12-12 | 1988-01-26 | The Babcock & Wilcox Company | Roll-and-race pulverizer with rotating throat |
| US4752037A (en) * | 1987-04-01 | 1988-06-21 | Combustion Engineering, Inc. | Vane wheel assembly for rb mills |
| US4874135A (en) * | 1988-12-29 | 1989-10-17 | Provost Robert S | Mill throat for pulverizer |
| CA1311232C (en) * | 1989-07-20 | 1992-12-08 | Randall J. Novotny | Pulverizer having rotatable grinding table with replaceable air port segments |
| US5127590A (en) * | 1991-04-09 | 1992-07-07 | March-Sourthwestern Corp. | Rotating throat/air port ring assembly |
| JP3226107B2 (ja) * | 1991-07-22 | 2001-11-05 | 株式会社栗本鐵工所 | ロータ剪断式破砕機 |
| US5263655A (en) * | 1992-03-26 | 1993-11-23 | The Babcock & Wilcox Company | Coal pulverizer |
| US5263855A (en) * | 1992-05-14 | 1993-11-23 | The Babcock & Wilcox Company | Low pressure drop rotating vertical vane inlet passage for coal pulverizer |
| US5340041A (en) * | 1992-11-25 | 1994-08-23 | The Babcock & Wilcox Company | Welded rotating annular passage segment for coal pulverizers with replaceable vanes and adjustable passage port area |
| US5908167A (en) * | 1998-02-02 | 1999-06-01 | Provost; Robert S. | Integrated high pressure drop rotating throat for a coal pulverizer |
| US7252253B2 (en) * | 2003-05-13 | 2007-08-07 | Bharat Heavy Electricals Ltd. | Bowl mill for a coal pulverizer with an air mill for primary entry of air |
| MX2016007548A (es) | 2013-12-12 | 2016-10-03 | Coal Milling Projects (Pty) Ltd | Un molino pulverizador. |
| WO2016196456A1 (en) * | 2015-06-01 | 2016-12-08 | Flsmidth A/S | Vertical roller mill |
| JP6503307B2 (ja) * | 2016-02-09 | 2019-04-17 | 三菱日立パワーシステムズ株式会社 | 粉砕装置、粉砕装置のスロート及び微粉炭焚きボイラ |
| CN115463736B (zh) * | 2022-06-01 | 2024-10-18 | 浙江浙能兰溪发电有限责任公司 | 一种磨煤机翼型风环 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2378681A (en) * | 1943-04-01 | 1945-06-19 | Babcock & Wilcox Co | Pulverizer |
| US2545254A (en) * | 1945-06-20 | 1951-03-13 | Babcock & Wilcox Co | Air swept pulverizer having an eccentrically arranged air throat flow area |
-
1979
- 1979-09-28 US US06/079,775 patent/US4264041A/en not_active Expired - Lifetime
-
1980
- 1980-07-18 CA CA356,531A patent/CA1132513A/en not_active Expired
- 1980-07-31 ZA ZA00804671A patent/ZA804671B/xx unknown
- 1980-08-01 IL IL60737A patent/IL60737A/xx not_active IP Right Cessation
- 1980-08-07 IN IN905/CAL/80A patent/IN153161B/en unknown
- 1980-08-13 IT IT24144/80A patent/IT1132401B/it active
- 1980-08-21 MX MX183626A patent/MX150574A/es unknown
- 1980-09-10 BR BR8005768A patent/BR8005768A/pt unknown
- 1980-09-15 KR KR1019800003617A patent/KR850000378B1/ko not_active Expired
- 1980-09-25 AU AU62699/80A patent/AU518835B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US4264041A (en) | 1981-04-28 |
| MX150574A (es) | 1984-05-30 |
| AU6269980A (en) | 1981-04-09 |
| AU518835B2 (en) | 1981-10-22 |
| KR850000378B1 (ko) | 1985-03-23 |
| BR8005768A (pt) | 1981-03-31 |
| IN153161B (enExample) | 1984-06-09 |
| KR830003243A (ko) | 1983-06-18 |
| ZA804671B (en) | 1981-09-30 |
| IT8024144A0 (it) | 1980-08-13 |
| IL60737A0 (en) | 1980-10-26 |
| IL60737A (en) | 1982-09-30 |
| IT1132401B (it) | 1986-07-02 |
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| JPH0824852B2 (ja) | 粉砕機のための交換自在の通路構成体 | |
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| US5263855A (en) | Low pressure drop rotating vertical vane inlet passage for coal pulverizer | |
| US5263655A (en) | Coal pulverizer | |
| CA1311232C (en) | Pulverizer having rotatable grinding table with replaceable air port segments | |
| CN209631369U (zh) | 应用于流化床对撞式气流粉碎机的气环装置 | |
| US4874135A (en) | Mill throat for pulverizer | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |