FR2422914A1 - Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air - Google Patents

Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air

Info

Publication number
FR2422914A1
FR2422914A1 FR7812438A FR7812438A FR2422914A1 FR 2422914 A1 FR2422914 A1 FR 2422914A1 FR 7812438 A FR7812438 A FR 7812438A FR 7812438 A FR7812438 A FR 7812438A FR 2422914 A1 FR2422914 A1 FR 2422914A1
Authority
FR
France
Prior art keywords
cowl
section
zone
paper
air
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.)
Granted
Application number
FR7812438A
Other languages
French (fr)
Other versions
FR2422914B3 (en
Inventor
Donald Price
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.)
GREENBANK CAST BASALT ENG
Original Assignee
GREENBANK CAST BASALT ENG
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 GREENBANK CAST BASALT ENG filed Critical GREENBANK CAST BASALT ENG
Priority to FR7812438A priority Critical patent/FR2422914A1/en
Publication of FR2422914A1 publication Critical patent/FR2422914A1/en
Application granted granted Critical
Publication of FR2422914B3 publication Critical patent/FR2422914B3/fr
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/20—Waste heat recovery
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Paper (AREA)

Abstract

Drying cylinders for papermaking and similar machines are housed in a partly enclosed structure in which there are, (a) sections or modules; (b) a support structure formed by tubes of square or rectangular cross-section running lengthways, transversely and vertically, along which the hot air circulates towards outlet pipes, provided between the cylinders of each section; (c) an inlet fan and an outlet fan for each section; (d) an inclined partition dividing the cowl into a heating zone and a cylinder zone; (e) a heat recovery unit and a steam heating unit in the heating chamber; (f) a conduit for transferring humid air from the cylinder zone to the heating zone; and () a flap valve for controlling the passage of air between the zones; all these pieces of equipment being located inside the actual housing. This cheapens the cost and reduces the space occupied by the battery of drying cylinders and its heat recuperator. The thermal efficiency is much higher since the return passages are inside the cowl instead of outside as normally. The heat exchanger for the fresh air circulating inside the cowl is also an improvement.
FR7812438A 1978-04-14 1978-04-14 Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air Granted FR2422914A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7812438A FR2422914A1 (en) 1978-04-14 1978-04-14 Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7812438A FR2422914A1 (en) 1978-04-14 1978-04-14 Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air

Publications (2)

Publication Number Publication Date
FR2422914A1 true FR2422914A1 (en) 1979-11-09
FR2422914B3 FR2422914B3 (en) 1981-01-02

Family

ID=9207631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812438A Granted FR2422914A1 (en) 1978-04-14 1978-04-14 Cowl structure for paper-making drying cylinder battery - is extremely compact and forms itself channels for distributing air

Country Status (1)

Country Link
FR (1) FR2422914A1 (en)

Also Published As

Publication number Publication date
FR2422914B3 (en) 1981-01-02

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