EP0089448A1 - Extractor with fluidified plate for hygroscopic products - Google Patents

Extractor with fluidified plate for hygroscopic products Download PDF

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Publication number
EP0089448A1
EP0089448A1 EP82830068A EP82830068A EP0089448A1 EP 0089448 A1 EP0089448 A1 EP 0089448A1 EP 82830068 A EP82830068 A EP 82830068A EP 82830068 A EP82830068 A EP 82830068A EP 0089448 A1 EP0089448 A1 EP 0089448A1
Authority
EP
European Patent Office
Prior art keywords
air
plate
extractor
previous
fact
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
EP82830068A
Other languages
German (de)
French (fr)
Other versions
EP0089448B1 (en
Inventor
Carlo Gulmini
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.)
Ditta Govoni & C SpA
Original Assignee
Ditta Govoni & C SpA
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 Ditta Govoni & C SpA filed Critical Ditta Govoni & C SpA
Priority to AT82830068T priority Critical patent/ATE29466T1/en
Priority to DE8282830068T priority patent/DE3277196D1/en
Priority to EP82830068A priority patent/EP0089448B1/en
Priority to GR68646A priority patent/GR76218B/el
Publication of EP0089448A1 publication Critical patent/EP0089448A1/en
Application granted granted Critical
Publication of EP0089448B1 publication Critical patent/EP0089448B1/en
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/54Large containers characterised by means facilitating filling or emptying
    • B65D88/64Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/66Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/54Large containers characterised by means facilitating filling or emptying
    • B65D88/64Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/70Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/54Large containers characterised by means facilitating filling or emptying
    • B65D88/72Fluidising devices

Definitions

  • a troncated cone-shaped hopper is foreseen, which consists of a stationary top part holding the underlying mobile one by means of four pivots, to be dri ven by an electrical vibrator to facilitate the product discharge.
  • a conical part equipped with immission nozzles of air jets is foreseen to get the fluidified product and its discharge outwards with continuous effect through the said vibrating part.
  • the invention permits particular employ for hygroscopic products such as: sugar, meal, starch and other powdery products, as for instance kaolin, having a high adherence'coefficient.
  • hygroscopic products such as: sugar, meal, starch and other powdery products, as for instance kaolin, having a high adherence'coefficient.
  • female screw extractors are employed.
  • Such movement devices imply wear of the parts and the necessity of servicing and restoration work.
  • they are liable to possible blocking of the movement organ which requires dismantling of the equipment part which consequent necessity of these parts replacement.
  • the invention enables to avoid these inconveniences by using a hopper in a truncated cone shape with intermediate cylindrical band essentially consisting of-an upper part integral with the silo base and holding four suspension pivots for the underlying part fitted with. electrical vibrator apt to allow a shaking action to further the product descent.
  • the mobile part is foreseen .with the driving organs gruoped in a central position and. protected by a conical roof-like plate determining an opening, with the hopper wall, in the shape of a circular crawn for the product discharge.
  • previously conditioned air is foreseen, with a continuous employ,getting out in jets from the plate nozzles, thus giving rise to a dynamism performing the product fluidification at the silo base which furthers the discharge.
  • FIG. 1 is the view of the discharge compartment, one half of which is seen in sec tion to show the plate covering the insuffling device.
  • Fig. 2 is the .simplified scheme to illustrate the whole assembly.
  • the hopper in a truncated cone shape is foreseen with stationary upper part 2 and the underlying one 3 to be assembled by means of four suspension pivots 4.
  • This part is fitted with electrical vibrator 5, to facilitate the discharge, and it employs extracting conical part 6 in the upper central position.
  • This plate is fitted with insufflation nozzles 7 which fluidify the product and facilitate its sinking.
  • the side fan 8 is employed which takes air from out side and sends it through duct 9 supported on the mobile part through sieve 10 to get out in jets from nozzles 7 stirring and fluidifying the product contained in cone 6: in this way, its discharge is possible through opening 11 which brings into hopper 3.
  • the insufflation air is taken through conveyor 12 and put into pipe 13 which discharges through vertical duct 14 on the silo cover.
  • Air is drawn from outside through a dehumidizing device 15 which, by means of the tank inside temperature control, permits to condition the silo.
  • the dehumidation cycle foresees the air intaking through assembly 15 which employs elements absorbing lithium salts in solid state, that operate with self-regenerating effect along with air heated by means of electrical resistances controlled by a humidity-static device 16. Subsequently air passes through water cooling batteries 17 complete with thermostate 18 which insufflates the air at the controlled temperature and humidity through the nozzles.
  • An automatic filter 19 is foreseen on the silo consisting of a cylindrical part in carbon steel and containing some filtering hoses 20 in polyester tissue which depurate the air mixture sent by blower 8 before reaching the product.
  • the filtering contrivance in addition foresees a top head with automatic drive in aluminium and fitted with washing valves controlled by a cyclic 21 which alternatively determines the opening and closing.
  • a washing electrical ventilator 22 is foreseen for drawing air into the filtering heses through washing valves 21.
  • the above filter is fitted with a side sucking fan 23 which conveys the remaining air outwards. Through a deviating valve 24, the air dra wa by an automatic filter in sent through duct 25 the the ventilator 8.
  • the execution particulars, the materials, the accessory devices, the assembling means and components for binding, as well as the form of the hopper components may be performes in different ways.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

The invention employs a hopper with intermediate cylindrical band for connection between the upper stationary part (2) and the underlying one (3) held by the former by means of suspension pivots (4). The mobile part is equipped with an electrical vibrator (5) and the driving organs are foreseen centrally grouped and covered with a conical plate (6) fitted with nozzles (7) of insufflation through which air jets get out fluidifying the product at the silo base in order to further its descent through a circular crown opening (11) foreseen between the plate border and the hopper body, towards the discharge mouth.

Description

  • A troncated cone-shaped hopper is foreseen, which consists of a stationary top part holding the underlying mobile one by means of four pivots, to be dri ven by an electrical vibrator to facilitate the product discharge. In the cen tral upper position of the mobile part, a conical part equipped with immission nozzles of air jets is foreseen to get the fluidified product and its discharge outwards with continuous effect through the said vibrating part.
  • The invention permits particular employ for hygroscopic products such as: sugar, meal, starch and other powdery products, as for instance kaolin, having a high adherence'coefficient. For these products, female screw extractors are employed. Such movement devices imply wear of the parts and the necessity of servicing and restoration work. In addition, they are liable to possible blocking of the movement organ which requires dismantling of the equipment part which consequent necessity of these parts replacement.
  • The invention enables to avoid these inconveniences by using a hopper in a truncated cone shape with intermediate cylindrical band essentially consisting of-an upper part integral with the silo base and holding four suspension pivots for the underlying part fitted with. electrical vibrator apt to allow a shaking action to further the product descent.
  • The mobile part is foreseen .with the driving organs gruoped in a central position and. protected by a conical roof-like plate determining an opening, with the hopper wall, in the shape of a circular crawn for the product discharge. In order to overcome the cohesion effect, previously conditioned air is foreseen, with a continuous employ,getting out in jets from the plate nozzles, thus giving rise to a dynamism performing the product fluidification at the silo base which furthers the discharge.
  • A not limiting version is illustrated by the drawings of Table 1, where fig. 1 is the view of the discharge compartment, one half of which is seen in sec tion to show the plate covering the insuffling device. Fig. 2 is the .simplified scheme to illustrate the whole assembly.
  • In a version , at the silo discharge, the hopper in a truncated cone shape is foreseen with stationary upper part 2 and the underlying one 3 to be assembled by means of four suspension pivots 4. This part is fitted with electrical vibrator 5, to facilitate the discharge, and it employs extracting conical part 6 in the upper central position. This plate is fitted with insufflation nozzles 7 which fluidify the product and facilitate its sinking.
  • For the air circulation, the side fan 8 is employed which takes air from out side and sends it through duct 9 supported on the mobile part through sieve 10 to get out in jets from nozzles 7 stirring and fluidifying the product contained in cone 6: in this way, its discharge is possible through opening 11 which brings into hopper 3.
  • The insufflation air is taken through conveyor 12 and put into pipe 13 which discharges through vertical duct 14 on the silo cover. Air is drawn from outside through a dehumidizing device 15 which, by means of the tank inside temperature control, permits to condition the silo. The dehumidation cycle foresees the air intaking through assembly 15 which employs elements absorbing lithium salts in solid state, that operate with self-regenerating effect along with air heated by means of electrical resistances controlled by a humidity-static device 16. Subsequently air passes through water cooling batteries 17 complete with thermostate 18 which insufflates the air at the controlled temperature and humidity through the nozzles.
  • The necessity of checking the insufflation air depends on the outer room. conditions and allows more or less warm air according to the resurting thermal exchange. This permits to suit the product to the room exigencies with a view to avoiding invonveniences of different kinds, such as incrusta tions due to exceeding humidity of fermentations in consequence of lowered hygroscopic grade.
  • An automatic filter 19 is foreseen on the silo consisting of a cylindrical part in carbon steel and containing some filtering hoses 20 in polyester tissue which depurate the air mixture sent by blower 8 before reaching the product. The filtering contrivance in addition foresees a top head with automatic drive in aluminium and fitted with washing valves controlled by a cyclic 21 which alternatively determines the opening and closing. A washing electrical ventilator 22 is foreseen for drawing air into the filtering heses through washing valves 21. The above filter is fitted with a side sucking fan 23 which conveys the remaining air outwards. Through a deviating valve 24, the air dra wa by an automatic filter in sent through duct 25 the the ventilator 8.
  • The execution particulars, the materials, the accessory devices, the assembling means and components for binding, as well as the form of the hopper components may be performes in different ways.

Claims (8)

1) Extractor with fluidified plate for hygroscopic products, characterized by the fact that a hopper in a truncated cone shape is used having an interme diate cylindrical band to allow the connection between its upper part integral with the silo base and its underlying mobile part. This one is supported to the previous part by means of four suspension pivots. The said mobile part is equipped with an electrical vibrator which facilitated discharging.
2) Extractor with fuidified plate for hygroscopic products, according to the previous claim, characterized by the fact that the mobile part foresees the driving assembly in central positionprotected by a roof-shaped conical plate which, with the hopper part, determines a circular crown opening for the product discharge. The dynamism on the product is allowed by the continuous insuffling of air through the nozzles fitted on the plate permitting a fluidification effect apt to overcome the -cohesion effect.
3) Extractor with fluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that in a version, at the discharge the hopper in truncated cone shape is foreseen with top stationary part 2 and underlying mobile part 3 connected by means of four suspension pivots 4. The said part is equipped with an electrical vibrator 5 and employs conical plate 6 in upper central position with nozzles 7.
4) Extractor with fluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that for the air circulation, the side ventilator 8 is foreseen which draws from outside and puts through duct 9 supported on the mobile part, through sieve 10, and sends outwards in jets from nozzles 7 of cone 6, facilitating the product discharge through opening 11 which brings into hopper 3.
5) Extractor with fluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that the insufflation air is taken through conveyor 12 and put into pipe 13 which discharges through vertical duct 14 on the silo cover. Air is drawn from outside through a dehumidizing device 15 which, by means of the tank inside temperature control, permits to condition the silo. The dehumidation cycle foresees the air intaking through assembly 15 which employs elements absording lithium salts in solid state, operate with self-regenerating effect along with air heated by means of electrical resistances controlled by a humidity-static device 16. Subsequently air passes through vater cooling batteries 17 complete with thermstate 18 which insufflates the, air at the controlled temperature and humidity through the nozzles.
6) Extractor with fluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that an automaticfilter 19 is foreseen on the silo consisting of a cylindrical part in carbon steel and containing some filtering hoses 20 in polyester tissue which depurate the air mixure sent by blower 8 before reaching the product.
7) Extractor withfluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that the filtering contrivance in addition foresees a top head with automatic drive in aluminium and fitted with washing valve controlled by a cyclic 21 which altenatevely determines the opening and closing.
8) Extractor with fluidified plate for hygroscopic products, according to the previous claims, characterized by the fact that a washing electrical ventilator 22 is foreseen for drawing air into the filtering hoses through washing valves 21. The above filter is fitted with a side sucking fan 23 which conveys the remaining air outwards. Through a deviating valve 24, the air drawn by an automatic filter is sent through duct 25 to the ventilator.
EP82830068A 1982-03-23 1982-03-23 Extractor with fluidified plate for hygroscopic products Expired EP0089448B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT82830068T ATE29466T1 (en) 1982-03-23 1982-03-23 EXTRACTOR WITH FLUIDIZED PLATE FOR HYGROSCOPIC MATERIALS.
DE8282830068T DE3277196D1 (en) 1982-03-23 1982-03-23 Extractor with fluidified plate for hygroscopic products
EP82830068A EP0089448B1 (en) 1982-03-23 1982-03-23 Extractor with fluidified plate for hygroscopic products
GR68646A GR76218B (en) 1982-03-23 1982-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82830068A EP0089448B1 (en) 1982-03-23 1982-03-23 Extractor with fluidified plate for hygroscopic products

Publications (2)

Publication Number Publication Date
EP0089448A1 true EP0089448A1 (en) 1983-09-28
EP0089448B1 EP0089448B1 (en) 1987-09-09

Family

ID=8190112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82830068A Expired EP0089448B1 (en) 1982-03-23 1982-03-23 Extractor with fluidified plate for hygroscopic products

Country Status (4)

Country Link
EP (1) EP0089448B1 (en)
AT (1) ATE29466T1 (en)
DE (1) DE3277196D1 (en)
GR (1) GR76218B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000878A1 (en) * 1998-11-12 2000-05-17 Industrie Services et Conseils I.S.E.R.C.O. S.A. Silo for storing pulverulent materials with vibrating bottom
WO2001000510A1 (en) * 1999-06-29 2001-01-04 Eng Hock Goh Container for particulate material
CN106053292A (en) * 2016-07-22 2016-10-26 郑州磨料磨具磨削研究所有限公司 Device and method for measuring stacking density of super-hard abrasive micro-powder
CN106185078A (en) * 2016-08-09 2016-12-07 北京京城环保股份有限公司 A kind of filler bin and discharging method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447033A (en) * 1966-02-16 1967-11-15 Carrier Manufacturing Company Emptying device on the material container
AT284008B (en) * 1966-07-14 1970-08-25 Kockums Mekaniska Verkstads Ab Method and device for improving the flowability of grains or viscous substances

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447033A (en) * 1966-02-16 1967-11-15 Carrier Manufacturing Company Emptying device on the material container
AT284008B (en) * 1966-07-14 1970-08-25 Kockums Mekaniska Verkstads Ab Method and device for improving the flowability of grains or viscous substances

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000878A1 (en) * 1998-11-12 2000-05-17 Industrie Services et Conseils I.S.E.R.C.O. S.A. Silo for storing pulverulent materials with vibrating bottom
FR2785931A1 (en) * 1998-11-12 2000-05-19 Ind Serv Et Conseils Iserco Sa SILO FOR STORING POWDERY PRODUCTS WITH A VIBRATING BACKGROUND
WO2001000510A1 (en) * 1999-06-29 2001-01-04 Eng Hock Goh Container for particulate material
CN106053292A (en) * 2016-07-22 2016-10-26 郑州磨料磨具磨削研究所有限公司 Device and method for measuring stacking density of super-hard abrasive micro-powder
CN106185078A (en) * 2016-08-09 2016-12-07 北京京城环保股份有限公司 A kind of filler bin and discharging method

Also Published As

Publication number Publication date
EP0089448B1 (en) 1987-09-09
DE3277196D1 (en) 1987-10-15
ATE29466T1 (en) 1987-09-15
GR76218B (en) 1984-08-04

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