公开(公告)号：WO1994002792A2

公开(公告)日：1994-02-03

申请号：PCT/US1993006491

申请日：1993-07-09

Applicant: ASH GROVE CEMENT COMPANY ,  CADENCE ENVIRONMENTAL ENERGY, INC.

Inventor： ASH GROVE CEMENT COMPANY ,  CADENCE ENVIRONMENTAL ENERGY, INC. ,  HANSEN, Eric, R. ,  TUTT, James, R.

IPC: F27B05/16

CPC classification number: F27D17/001 ,  C04B7/44 ,  F27B7/2016 ,  F27B7/36 ,  F27B2007/367 ,  Y02P40/121 ,  Y02P40/126 ,  C04B7/43 ,  C04B7/4423 ,  C04B7/60

Abstract: The present invention is directed to a method and apparatus for controlling the kiln gas stream (90, 138) in a conventional long wet or dry process cement kiln (10). A portion of the kiln gas stream (90) can be withdrawn from the rotary kiln vessel (17) at a point upstream, relative to kiln gas flow of the chain system in the mineral drying zone (24). Alternatively, or in conjuction with bypass formation, the apparatus (256) can be used to add tertiary air to the kiln gas stream (90) to promote combustion efficiency downstream of the clinkering zone (28). Use of the present apparatus (56, 156) to form a kiln gas bypass stream (64) enhances operating efficiencies of long kilns by reducing dust loss, by facilitating isolation of high alkali by-product streams, by reducing alkali content of collected kiln dust, by increasing energy efficiency of long kiln operation, and by allowing greater overall control in the cement manufacturing process.

Abstract translation: 本发明涉及用于控制常规长湿法或干法水泥窑（10）中的窑气流（90,138）的方法和装置。 窑气流（90）的一部分可以相对于矿物干燥区（24）中的链系统的窑气流在上游的一个点从回转窑容器（17）中取出。 或者，或与旁路形成相结合，装置（256）可用于向窑气流（90）添加三次空气，以促进熟料区（28）下游的燃烧效率。 使用本装置（56,​​156）形成窑气旁路流（64）通过减少高碱性副产物流的分离，通过减少收集的窑灰的碱含量来提高长期窑的运行效率，从而减少粉尘损失 通过提高长窑操作的能源效率，并允许在水泥制造过程中进行更大的整体控制。

公开(公告)号：WO1996032608A1

公开(公告)日：1996-10-17

申请号：PCT/US1996004908

申请日：1996-04-09

Applicant: CADENCE ENVIRONMENTAL ENERGY, INC. ,  ASH GROVE CEMENT COMPANY

Inventor： CADENCE ENVIRONMENTAL ENERGY, INC. ,  ASH GROVE CEMENT COMPANY ,  TUTT, James, R.

IPC: F23D14/00

CPC classification number: C04B7/4438 ,  F23G5/20 ,  F23G5/444 ,  F23G2203/206 ,  F23G2205/101 ,  F23G2205/14 ,  F23G2205/20 ,  F23G2206/201 ,  F23G2208/10 ,  F23G2900/50209 ,  F27B7/32 ,  F27B2007/3247 ,  Y02E20/363 ,  Y02P40/126 ,  C04B7/4423

Abstract: A method and apparatus for feeding a bulk material supplemental fuel (108) through a port (88) formed in a side wall of a rotary vessel (16) of a cement kiln (10). The apparatus includes a stationary annular plenum (56) surrounding rotary vessel (16). The plenum (56) is configured to define an enclosed interior region in communication with the port (88) in the rotary vessel (16). The apparatus also includes a bulk material fuel charging apparatus (58) including a hopper (68) for receiving the bulk material (108), and a barrel (82) in communication with the hopper (68). The barrel (82) has an open discharge end (83) extending into the interior region of the annular plenum (56). The bulk material fuel charging apparatus (58) also includes an air cannon (86) in air flow communication with the barrel (82) for injecting air into the barrel (82) to force a portion (109) of the bulk material (108) located in the barrel (82) out of the open discharge end (83) of the barrel (82), through the port (88), and into the rotary vessel (16).

Abstract translation: 一种用于通过形成在水泥窑（10）的旋转容器（16）的侧壁中的端口（88）供给散料的辅助燃料（108）的方法和装置。 该装置包括围绕旋转容器（16）的固定环形增压室（56）。 气室（56）构造成限定与旋转容器（16）中的端口（88）连通的封闭内部区域。 该设备还包括一个散装物料燃料装料装置（58），它包括用于容纳散装材料（108）的料斗（68）和与该料斗（68）相连通的筒体（82）。 桶（82）具有延伸到环形增压室（56）的内部区域中的敞开的排放端（83）。 散装材料燃料充填装置（58）还包括与枪管（82）气流连通的空气炮（86），用于将空气喷入枪管（82）以迫使散装材料（108）的一部分（109） 位于筒体82的开口排出端83之间的桶82中，通过端口88进入旋转容器16。

公开(公告)号：WO1992013245A1

公开(公告)日：1992-08-06

申请号：PCT/US1992000634

申请日：1992-01-27

Applicant: CADENCE CHEMICAL RESOURCES, INC. ,  ASH GROVE CEMENT COMPANY

Inventor： CADENCE CHEMICAL RESOURCES, INC. ,  ASH GROVE CEMENT COMPANY ,  TUTT, James, R. ,  BENOIT, Michel, R.

IPC: F27B15/00

CPC classification number: F27B7/34 ,  F23G5/20 ,  F23G2203/206 ,  F23G2205/10 ,  F27B7/32 ,  F27B2007/3247 ,  F27D3/00 ,  F27D3/04 ,  F27D2003/0068 ,  F27D2099/0051

Abstract: An apparatus (28) is provided for charging combustible solids (30) through a port (35) in the wall (37) of a rotating kiln (10) into a heated zone of the kiln. The apparatus (28) includes a port closure (36) comprising inner and outer portions (64, 62) which cooperate to define a passage (86) for closure-cooling air flow when the closure (36) is in a port-closed position. A transfer assembly (34) is mounted on the kiln wall (37) in aligment with the port (35). During kiln rotation combustible solids (30) are loaded from a staging assembly (32) onto the transfer assembly (34) for aligment with the port (35) and delivery into the kiln (10).

公开(公告)号：WO2007082198A2

公开(公告)日：2007-07-19

申请号：PCT/US2007/060264

申请日：2007-01-09

Applicant: CADENCE ENVIRONMENTAL ENERGY, INC. ,  ASH GROVE CEMENT COMPANY ,  HANSEN, Eric, R. ,  TUTT, James, R. ,  SUPELAK, Ralph, A. ,  DERKSEN, Kenneth, J. ,  BLANKENSHIP, Kevin ,  PARKER, Walter

Inventor： HANSEN, Eric, R. ,  TUTT, James, R. ,  SUPELAK, Ralph, A. ,  DERKSEN, Kenneth, J. ,  BLANKENSHIP, Kevin ,  PARKER, Walter

IPC: F27D5/00

CPC classification number: F27B7/362 ,  B01D53/56 ,  C04B7/364 ,  F27B7/42 ,  F27D19/00 ,  F27D21/00 ,  Y02C20/10

Abstract: A method of operating a mineral processing kiln includes introducing a quantity of a selective non-catalytic reduction (SNCR) reducing agent into the kiln. The SNCR reducing agent may be a solid, liquid, or a gas. A mineral processing kiln modified for the implementation of SNCR is also disclosed.

Abstract translation: 操作矿物加工窑的方法包括将一定量的选择性非催化还原（SNCR）还原剂引入窑中。 SNCR还原剂可以是固体，液体或气体。 还公开了为实施SNCR而修改的矿物加工窑。

公开(公告)号：WO2007001692A1

公开(公告)日：2007-01-04

申请号：PCT/US2006/020056

申请日：2006-05-23

Applicant: CADENCE ENVIRONMENTAL ENERGY, INC. ,  ASH GROVE CEMENT COMPANY ,  HANSEN, Eric, R. ,  SUPELAK, Ralph, A. ,  TUTT, James, Ronald

Inventor： HANSEN, Eric, R. ,  SUPELAK, Ralph, A. ,  TUTT, James, Ronald

IPC: F27B14/00

CPC classification number: F27B7/362 ,  C04B7/43 ,  C04B7/434 ,  F27B7/16 ,  F27B7/162 ,  F27B7/2033 ,  F27B7/32 ,  F27B7/34 ,  F27B7/42 ,  Y02P40/121 ,  C04B7/364

Abstract: A method is described for reducing NO x emissions and improving energy efficiency during mineral processing in a rotary kiln (10). The method comprises injection of air with high velocity/high kinetic energy into the kiln (10) to reduce or eliminate stratification of kiln gases. The method can be applied to mix gases in a rotary kiln vessel (12) or in a preheater/precalciner vessel.

Abstract translation: 描述了一种用于减少NO x排放并提高回转窑矿物加工过程中的能量效率的方法（10）。 该方法包括将高速/高动能的空气注入窑（10）以减少或消除窑气分层。 该方法可用于在回转窑容器（12）或预热器/预分解器容器中混合气体。

公开(公告)号：WO1990005782A1

公开(公告)日：1990-05-31

申请号：PCT/US1989005250

申请日：1989-11-15

Applicant: CADENCE CHEMICAL RESOURCES, INC. ,  ASH GROVE CEMENT COMPANY

Inventor： CADENCE CHEMICAL RESOURCES, INC. ,  ASH GROVE CEMENT COMPANY ,  BENOIT, Michel, R. ,  HANSEN, Eric, R. ,  REESE, Theodore, J.

IPC: F23G05/20

CPC classification number: F27B7/34 ,  C04B7/4407 ,  C04B7/4438 ,  F23G5/08 ,  F23G5/20 ,  F23G5/448 ,  F23G2203/206 ,  F23G2206/201 ,  F27B7/32 ,  F27B2007/3247 ,  F27D2099/0051 ,  Y02E20/363 ,  Y02P40/126

Abstract: A method is described for environmentally sound usage of combustible hazardous waste in an operating rotary kiln. The method is particularly adapted for disposal of solid hazardous wastes, optionally in the form of a blended waste homogenate, packaged in sealable containers. The containers are used as fuel modules and charged into a rotary kiln cylinder where kiln gas temperatures range from about 950°C to about 1200°C to achieve high destruction and removal efficiencies.