ES2050488T3 - Dispositivo para la toma discontinua de una muestra de celulosa de un digestor de celulosa. - Google Patents

Dispositivo para la toma discontinua de una muestra de celulosa de un digestor de celulosa.

Info

Publication number
ES2050488T3
ES2050488T3 ES91111956T ES91111956T ES2050488T3 ES 2050488 T3 ES2050488 T3 ES 2050488T3 ES 91111956 T ES91111956 T ES 91111956T ES 91111956 T ES91111956 T ES 91111956T ES 2050488 T3 ES2050488 T3 ES 2050488T3
Authority
ES
Spain
Prior art keywords
cellulose
digester
supply
extraction
sample
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 - Lifetime
Application number
ES91111956T
Other languages
English (en)
Inventor
Herbert Dr Furumoto
Olivera Dipl-Ing Marques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2050488T3 publication Critical patent/ES2050488T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1062—Sampling under constant temperature, pressure, or the like
    • G01N2001/1081—Storing samples under refrigeration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G01N2001/205—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping using a valve
    • G01N2001/2057—Sample chamber in a valve/piston

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

UNA PRIMERA ALIMENTACION SE UNE CON UNA APERTURA DE ALIMENTACION EN LA PARED DEL DIGESTOR DE CELULOSA. EN UN PRIMER MOMENTO SE TOMA UNA CORRIENTE DE CELULOSA DESDE EL DIGESTOR PARA LA TOMA DE PRUEBA Y SE CONDUCE A UNA CRIBA DE RECOGIDA. EN UN SEGUNDO MOMENTO SE PUEDE EMPUJAR HACIA ATRAS UN MEDIO DE ACLARADO SOBRE UNA SEGUNDA CONDUCCION PREFERENTEMENTE INDIRECTA HACIA LA CRIBA DE RECOGIDA Y LA PRIMERA CONDUCCION ES A LA QUE SE EMPUJA HACIA ATRAS, HACIA EL DIGESTOR. ASI SE ELIMINAN LOS ATASCAMIENTOS ESPECIALMENTE DE LAS APERTURAS DE TOMA Y PARA LA CREACION DE UNA PRUEBA REPRESENTATIVA SE PROVOCAN REMOLINOS DE UNA MASA DE TROZOS DE MADERA DESDE LA APERTURA DE TOMA AL INTERIOR DEL DIGESTOR. EN UN TERCER MOMENTO SE PUEDE CONDUCIR UN MEDIO DE TRANSPORTE A UNA TERCERA CONDUCCION DE FORMA QUE VA HACIA AFUERA HACIA UNA TOMA DE PRUEBA INDIRECTA DE LA CELULOSA DESDE LA CRIBA DE RECOGIDA. CON ESTO EL MEDIO SE PUEDE ENLAZAR AL ANALISIS AUTOMATICO DE CELULOSA.
ES91111956T 1990-07-19 1991-07-17 Dispositivo para la toma discontinua de una muestra de celulosa de un digestor de celulosa. Expired - Lifetime ES2050488T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9010794 1990-07-19

Publications (1)

Publication Number Publication Date
ES2050488T3 true ES2050488T3 (es) 1994-05-16

Family

ID=6855765

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91111956T Expired - Lifetime ES2050488T3 (es) 1990-07-19 1991-07-17 Dispositivo para la toma discontinua de una muestra de celulosa de un digestor de celulosa.

Country Status (4)

Country Link
EP (1) EP0469392B1 (es)
AT (1) ATE103020T1 (es)
DE (2) DE9108811U1 (es)
ES (1) ES2050488T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108020483A (zh) * 2018-01-25 2018-05-11 杭州神农牧业有限公司 中性洗涤纤维测定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540468A (en) * 1983-09-26 1985-09-10 Board Of Trustees Of The University Of Maine Method for determining the degree of completion and pulp yield
EP0336234A3 (en) * 1988-04-04 1989-11-29 Afora Oy Apparatus for continually sampling liquor from a pulp digester

Also Published As

Publication number Publication date
DE59101196D1 (de) 1994-04-21
ATE103020T1 (de) 1994-04-15
DE9108811U1 (de) 1991-12-19
EP0469392A1 (de) 1992-02-05
EP0469392B1 (de) 1994-03-16

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