IT1098434B - Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti - Google Patents

Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti

Info

Publication number
IT1098434B
IT1098434B IT2726178A IT2726178A IT1098434B IT 1098434 B IT1098434 B IT 1098434B IT 2726178 A IT2726178 A IT 2726178A IT 2726178 A IT2726178 A IT 2726178A IT 1098434 B IT1098434 B IT 1098434B
Authority
IT
Italy
Prior art keywords
filling elements
marigid
thin
production
equipment
Prior art date
Application number
IT2726178A
Other languages
English (en)
Other versions
IT7827261A0 (it
Original Assignee
Hydro System Srl
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 Hydro System Srl filed Critical Hydro System Srl
Priority to IT2726178A priority Critical patent/IT1098434B/it
Publication of IT7827261A0 publication Critical patent/IT7827261A0/it
Priority to DE2928784A priority patent/DE2928784C2/de
Application granted granted Critical
Publication of IT1098434B publication Critical patent/IT1098434B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • 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
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30207—Sphere
    • 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
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/302—Basic shape of the elements
    • B01J2219/30296—Other shapes
    • 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
    • B01J2219/30—Details relating to random packing elements
    • B01J2219/304—Composition or microstructure of the elements
    • B01J2219/30466—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C2045/338—Mould parts with combined axial and transversal movements
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
IT2726178A 1978-09-01 1978-09-01 Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti IT1098434B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2726178A IT1098434B (it) 1978-09-01 1978-09-01 Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti
DE2928784A DE2928784C2 (de) 1978-09-01 1979-07-17 Füllkörper aus Kunststoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2726178A IT1098434B (it) 1978-09-01 1978-09-01 Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti

Publications (2)

Publication Number Publication Date
IT7827261A0 IT7827261A0 (it) 1978-09-01
IT1098434B true IT1098434B (it) 1985-09-07

Family

ID=11221298

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2726178A IT1098434B (it) 1978-09-01 1978-09-01 Apparecchiatura per la produzione di elementi di riempimento a grande superficie di scambio in materia plastica a parete sottile,marigida,per impianti di depurazione biologica a letti filtranti,ed elementi di riempimento cosi' ottenuti

Country Status (2)

Country Link
DE (1) DE2928784C2 (it)
IT (1) IT1098434B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106465A1 (de) * 1981-02-21 1982-09-09 Menzel Gmbh & Co, 7000 Stuttgart Verfahren, vorrichtung und mittel zur abwasserreinigung
IT1138844B (it) * 1981-07-17 1986-09-17 Hydro System Srl Corpi di riempimento
ATA177787A (de) * 1986-08-04 1991-08-15 Mueanyagfel Dolgozo Vall Kugel- oder kreisringfoermiges fuellelement aus kunststoff mit zentraler durchflussoeffnung fuer ungeordnete fuellungen von biologischen tropfkoerpern

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE191890C (it) *
FR1405374A (fr) * 1964-03-25 1965-07-09 Hauts Fourneaux & Forges De Sa Corps de remplissage pour le traitement des fluides

Also Published As

Publication number Publication date
IT7827261A0 (it) 1978-09-01
DE2928784A1 (de) 1980-03-13
DE2928784C2 (de) 1987-01-22

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