IN168613B - - Google Patents
Info
- Publication number
- IN168613B IN168613B IN128/DEL/87A IN128DE1987A IN168613B IN 168613 B IN168613 B IN 168613B IN 128DE1987 A IN128DE1987 A IN 128DE1987A IN 168613 B IN168613 B IN 168613B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
- C10G11/187—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1809—Controlling processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00026—Controlling or regulating the heat exchange system
- B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
- B01J2208/0007—Pressure measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00681—Agglomeration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00191—Control algorithm
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Polymerisation Methods In General (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8602270A FR2594548B1 (fr) | 1986-02-19 | 1986-02-19 | Procede et dispositif pour detecter des anomalies dans un lit fluidise et application aux reacteurs a lit fluidise de polymerisation d'alphaolefines en phase gazeuse |
Publications (1)
Publication Number | Publication Date |
---|---|
IN168613B true IN168613B (ru) | 1991-05-04 |
Family
ID=9332303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN128/DEL/87A IN168613B (ru) | 1986-02-19 | 1987-02-16 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4858144A (ru) |
EP (1) | EP0233787B1 (ru) |
JP (1) | JPS62272136A (ru) |
CA (1) | CA1278068C (ru) |
DE (1) | DE3764280D1 (ru) |
FR (1) | FR2594548B1 (ru) |
IN (1) | IN168613B (ru) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179523A (en) * | 1989-10-26 | 1993-01-12 | Johnson Walter A | Method for determining the mole percent of a gas in binary gas mixture |
WO1991006852A1 (en) * | 1989-10-26 | 1991-05-16 | Johnson Walter A | Gas purity analyzer and method |
JPH04190133A (ja) * | 1990-11-24 | 1992-07-08 | Hitachi Ltd | 設備の診断支援方式 |
DE4443773A1 (de) * | 1994-12-08 | 1996-06-13 | Basf Ag | Partikelverwirbelungsverfahren und Vorrichtung zu dessen Durchführung |
CH692840A5 (de) * | 1998-05-05 | 2002-11-29 | Glatt Maschinen & Appbau Ag | Wirbelschicht-Einrichtung und Verfahren zum Behandeln von Teilchen. |
US6301546B1 (en) | 1999-01-22 | 2001-10-09 | Exxon Research And Engineering Company | Process for detecting and monitoring changes in properties of fluidized bed solids by pressure difference fluctuation measurement |
FR2790087B1 (fr) * | 1999-02-19 | 2001-04-20 | Coflexip | Procede et dispositif de mesure in situ de la distance entre deux elements donnes dans une conduite tubulaire |
EP1218416A1 (en) * | 1999-08-03 | 2002-07-03 | Union Carbide Chemicals & Plastics Technology Corporation | Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization |
US6384157B1 (en) | 2000-05-16 | 2002-05-07 | Union Carbide Chemicals & Plastics Technology Corporation | Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization |
US6460412B1 (en) * | 2000-10-27 | 2002-10-08 | Union Carbide Chemicals & Plastics Technology Corporation | Detection of dynamic fluidized bed level in a fluidized bed polymerization reactor using ultrasonic waves or microwaves |
US7846736B2 (en) * | 2001-12-17 | 2010-12-07 | Univation Technologies, Llc | Method for polymerization reaction monitoring with determination of entropy of monitored data |
US7226789B2 (en) * | 2001-12-17 | 2007-06-05 | Unication Technolofies, Llc | Method of applying non-linear dynamics to control a gas-phase polyethylene reactor operability |
US6759489B1 (en) * | 2003-05-20 | 2004-07-06 | Eastern Petrochemical Co. | Fluidized bed methods for making polymers |
EP1564222A1 (en) * | 2004-02-13 | 2005-08-17 | Total Petrochemicals Research Feluy | Polyolefin production using high olefin concentration |
BE1015976A3 (fr) * | 2004-04-14 | 2005-12-06 | Broqueville Axel De | Procede de polymerisation cataltytique dans un lit fluidifie vertical rotatif. |
US7181654B2 (en) * | 2004-09-17 | 2007-02-20 | Fisher-Rosemount Systems, Inc. | System and method for detecting an abnormal situation associated with a reactor |
US8071034B2 (en) | 2004-12-15 | 2011-12-06 | De Broqueville Axel | Rotary fluidized bed device and method for using said device |
US7829750B2 (en) * | 2004-12-30 | 2010-11-09 | Exxonmobil Chemical Patents Inc. | Fluidizing a population of catalyst particles having a low catalyst fines content |
US7829030B2 (en) * | 2004-12-30 | 2010-11-09 | Exxonmobil Chemical Patents Inc. | Fluidizing a population of catalyst particles having a low catalyst fines content |
WO2006107437A1 (en) * | 2005-03-31 | 2006-10-12 | Univation Technologies, Llc | Method and system for assessing reactor fluidization quality and operability from frequency spectrum of temperature data |
US7634937B2 (en) * | 2005-07-01 | 2009-12-22 | Symyx Solutions, Inc. | Systems and methods for monitoring solids using mechanical resonator |
US7947797B2 (en) | 2005-09-14 | 2011-05-24 | Univation Technologies, Llc | Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness |
AU2007307284A1 (en) * | 2006-10-10 | 2008-04-17 | Univation Technologies, Llc | Discharge systems and methods of using the same |
CN101516918B (zh) * | 2006-10-10 | 2011-08-24 | 尤尼威蒂恩技术有限责任公司 | 从容器中除去固体的排放系统 |
BRPI0719701B1 (pt) | 2006-11-30 | 2019-08-13 | Westlake Longview Corp | placa de distribuição de gás de polimerização de olefina com leito fluidizado, reator de polimerização de olefina com leito fluidizado, e, método para detectar a presença ou tamanho dos aglomerados ou folhas poliméricas caídas em um reator de polimerização de olefina com leito fluidizado |
JP4727612B2 (ja) * | 2007-03-26 | 2011-07-20 | 三井化学株式会社 | 気相重合装置における触媒供給量および重合体排出量の制御装置 |
US8301676B2 (en) | 2007-08-23 | 2012-10-30 | Fisher-Rosemount Systems, Inc. | Field device with capability of calculating digital filter coefficients |
US7702401B2 (en) | 2007-09-05 | 2010-04-20 | Fisher-Rosemount Systems, Inc. | System for preserving and displaying process control data associated with an abnormal situation |
US8055479B2 (en) | 2007-10-10 | 2011-11-08 | Fisher-Rosemount Systems, Inc. | Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process |
US8129482B2 (en) * | 2008-02-27 | 2012-03-06 | Westlake Longview Corporation | Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactors |
US8124697B2 (en) * | 2008-02-27 | 2012-02-28 | Westlake Longview Corporation | Method of preventing or reducing agglomeration on grid in fluidized-bed vessel |
EP2397221B1 (en) | 2010-06-17 | 2017-04-12 | Borealis AG | Control system for a gas phase reactor, a gas phase reactor for catalytic production of polyolefines, a method for catalytic productions of polyolefines and a use of the control system |
EP3772372A1 (en) | 2019-08-05 | 2021-02-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method for preventing fluidizazion in an upward-flow catalytic fixed bed reactor |
US20230002522A1 (en) * | 2019-12-11 | 2023-01-05 | Exxonmobil Chemical Patents Inc. | Gas Phase Production of Polyethylene |
TWI747300B (zh) * | 2020-05-27 | 2021-11-21 | 中國鋼鐵股份有限公司 | 燒結設備 |
CN113181844A (zh) * | 2021-05-12 | 2021-07-30 | 哈尔滨理工大学 | 一种流化床监视装置及监测方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT953590B (it) * | 1972-03-31 | 1973-08-10 | Montedison Spa | Fogli di carta caricati con mate riale elettroluminescente e con rete conduttrice incorporata atti alla preparazione di manufatti elettroluminescenti |
JPS6023856B2 (ja) * | 1978-07-05 | 1985-06-10 | 石川島播磨重工業株式会社 | 流動層内流動状態の検出方法 |
JPS5850772B2 (ja) * | 1979-02-27 | 1983-11-12 | 工業技術院長 | 流動層反応装置及びその運転方法 |
JPS5854610B2 (ja) * | 1979-05-15 | 1983-12-06 | 日本鉱業株式会社 | 触媒の粗粒化防止方法 |
US4441435A (en) * | 1981-10-21 | 1984-04-10 | Hitachi, Ltd. | Fluidizing gas control system in fluidized-bed incinerator |
JPS58115344A (ja) * | 1981-12-28 | 1983-07-09 | Ebara Corp | ボイラ系におけるスケ−ル付着状態計測装置 |
US4421523A (en) * | 1982-05-11 | 1983-12-20 | The United States Of America As Represented By The Department Of Energy | Control of bed height in a fluidized bed gasification system |
JPS5946535A (ja) * | 1982-09-09 | 1984-03-15 | Sakata Denki Kk | 水底沈澱物の検出方法 |
JPS60133206A (ja) * | 1983-12-20 | 1985-07-16 | Mitsubishi Heavy Ind Ltd | 流動床炉の運転方法 |
DE3442659A1 (de) * | 1984-11-23 | 1986-05-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen messung des fuellungsgrades von wirbelschichtapparaten |
JPS61285384A (ja) * | 1985-06-13 | 1986-12-16 | 三菱重工業株式会社 | 流動化状態検知方法 |
-
1986
- 1986-02-19 FR FR8602270A patent/FR2594548B1/fr not_active Expired
-
1987
- 1987-02-12 US US07/013,696 patent/US4858144A/en not_active Expired - Lifetime
- 1987-02-16 IN IN128/DEL/87A patent/IN168613B/en unknown
- 1987-02-18 CA CA000529961A patent/CA1278068C/en not_active Expired - Lifetime
- 1987-02-19 DE DE8787301457T patent/DE3764280D1/de not_active Expired - Lifetime
- 1987-02-19 JP JP62036868A patent/JPS62272136A/ja active Pending
- 1987-02-19 EP EP87301457A patent/EP0233787B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2594548B1 (fr) | 1989-05-19 |
US4858144A (en) | 1989-08-15 |
JPS62272136A (ja) | 1987-11-26 |
EP0233787A1 (en) | 1987-08-26 |
CA1278068C (en) | 1990-12-18 |
FR2594548A1 (fr) | 1987-08-21 |
DE3764280D1 (de) | 1990-09-20 |
EP0233787B1 (en) | 1990-08-16 |