IN2015DN01359A - - Google Patents

Info

Publication number
IN2015DN01359A
IN2015DN01359A IN1359DEN2015A IN2015DN01359A IN 2015DN01359 A IN2015DN01359 A IN 2015DN01359A IN 1359DEN2015 A IN1359DEN2015 A IN 1359DEN2015A IN 2015DN01359 A IN2015DN01359 A IN 2015DN01359A
Authority
IN
India
Prior art keywords
conduit
raw material
supply pipe
upper side
cyclones
Prior art date
Application number
Inventor
Daisuke Sakaniwa
Yoshinori Takayama
Junzhu Wang
Original Assignee
Mitsubishi Materials Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Publication of IN2015DN01359A publication Critical patent/IN2015DN01359A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/44—Burning; Melting
    • C04B7/4469—Burning; Melting in shaft or vertical kilns
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/432—Preheating without addition of fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/2016—Arrangements of preheating devices for the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/2016—Arrangements of preheating devices for the charge
    • F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/32—Arrangement of devices for charging
    • F27B7/3205—Charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Provided is a cement manufacturing device in which a raw material is evenly dispersed and fed into a conduit and preheated in a uniform manner in order to enhance heat exchanging efficiency and which is capable of preventing clogging etc. so as to perform a stable operation. A conduit (21) is provided between a plurality of upper side cyclones and a lower side cyclone which is disposed below the upper side cyclones. The conduit (21) circulates exhaust gas led out from the lower side cyclone upwards and distributes and guides the gas into each of the upper side cyclones. A raw material supply pipe (22) which supplies a cement raw material is connected to the conduit (21) at a position lower than a distribution portion (23). At the connection portion of the raw material supply pipe (22) to the conduit (21) a raw material guide chute (24) which receives the cement raw material supplied from the raw material supply pipe (22) and drops the raw material into the conduit (21) is provided projecting inward into the conduit (21). The upper face of the raw material guide chute (24) is formed as a flat surface and a tip (24a) thereof is telescopically slidable such that the insertion depth of the tip (24a) from the inner wall face (21b) of the conduit (21) is 0.15 0.5 times the inner diameter of the conduit (21).
IN1359DEN2015 2012-08-28 2013-08-09 IN2015DN01359A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012187322 2012-08-28
PCT/JP2013/071656 WO2014034417A1 (en) 2012-08-28 2013-08-09 Cement manufacturing device

Publications (1)

Publication Number Publication Date
IN2015DN01359A true IN2015DN01359A (en) 2015-07-03

Family

ID=50183233

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1359DEN2015 IN2015DN01359A (en) 2012-08-28 2013-08-09

Country Status (7)

Country Link
US (1) US9676664B2 (en)
EP (1) EP2891639B1 (en)
JP (1) JP5541406B2 (en)
KR (1) KR20150047135A (en)
CN (1) CN104487398B (en)
IN (1) IN2015DN01359A (en)
WO (1) WO2014034417A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015159572A1 (en) * 2014-04-14 2015-10-22 太平洋エンジニアリング株式会社 Fine particle dispersing apparatus
KR101666057B1 (en) * 2014-09-22 2016-10-13 주식회사 포스코 Charging apparatus for raw material
JP2020193116A (en) * 2019-05-27 2020-12-03 英人 鈴木 Raw material charging device to preheater cyclone of cement calcination apparatus
CN113513170B (en) * 2021-07-31 2022-09-20 南京凯盛国际工程有限公司 Cement and its production process

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Also Published As

Publication number Publication date
CN104487398A (en) 2015-04-01
WO2014034417A1 (en) 2014-03-06
EP2891639A1 (en) 2015-07-08
EP2891639B1 (en) 2017-07-05
US20150274590A1 (en) 2015-10-01
EP2891639A4 (en) 2016-04-27
JP5541406B2 (en) 2014-07-09
CN104487398B (en) 2017-03-08
JP2014062033A (en) 2014-04-10
US9676664B2 (en) 2017-06-13
KR20150047135A (en) 2015-05-04

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