CO6270182A2 - IMPROVEMENT IN EQUIPMENT FOR ARTIFICIAL REFRIGERATION OF GRAINS AND SEEDS - Google Patents

IMPROVEMENT IN EQUIPMENT FOR ARTIFICIAL REFRIGERATION OF GRAINS AND SEEDS

Info

Publication number
CO6270182A2
CO6270182A2 CO10043231A CO10043231A CO6270182A2 CO 6270182 A2 CO6270182 A2 CO 6270182A2 CO 10043231 A CO10043231 A CO 10043231A CO 10043231 A CO10043231 A CO 10043231A CO 6270182 A2 CO6270182 A2 CO 6270182A2
Authority
CO
Colombia
Prior art keywords
air
controller
evaporator outlet
condenser
control
Prior art date
Application number
CO10043231A
Other languages
Spanish (es)
Inventor
Barreto Francisco Maria Ayala
Original Assignee
Barreto Francisco Maria Ayala
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 Barreto Francisco Maria Ayala filed Critical Barreto Francisco Maria Ayala
Publication of CO6270182A2 publication Critical patent/CO6270182A2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/10—Freezing; Subsequent thawing; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/06—Several compression cycles arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/111—Fan speed control of condenser fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/02—Humidity

Abstract

1.- Un perfeccionamiento introducido en equipos para refrigeracion artificial de granos y semillas, compuesto por uno o mas grupo(s) compresores (1.A), (1.B), (1.C) y (1.D) operando en circuitos independientes, serpentines del condensador (2), un serpentin de pre-enfriamiento del evaporador con dos circuitos frigorificos independientes (3) en serie con el serpentin de pos-enfriamiento con dos circuitos frigorificos independientes (4), ventiladores axiales de condensacion (5), un ventilador centrifugo de carga limite con palas curvadas hacia atras para el movimiento del aire variable del proceso (6), un sensor de temperatura Pt 100 para monitoreo de la temperatura del aire a la salida del evaporador (7), un controlador PID de temperatura de aire a la salida del evaporador (8), un inversor de frecuencia para control del caudal de aire del ventilador centrifugo (9) y un sensor de temperatura del aire a la salida del evaporador (10), CARACTERIZADO porque dichos perfeccionamientos comprenden los siguientes nuevos componentes: un controlador de tres etapas de temperatura del aire a la salida del evaporador (11), un controlador logico programable PLC (12), sensores de temperatura de gas en la linea de gas a la salida del evaporador para deteccion de congelamiento (13), un controlador de temperatura para control de congelamiento (14), un presostato para control de presion en la linea de liquido para control de ventilador axial y proteccion contra congelamiento (15), un sensor de temperatura del aire de salida del condensador (16), un controlador PID del ventilador del condensador (17), un inversor de frecuencia para control del caudal de aire del condensador (18), un serpentin de pre-calentamiento (19), un sensor de temperatura de pre-calentamiento de aire (20), un controlador PID para control del caudal de gas refrigerante en el serpentin de pre-calentamiento (21), y valvulas de control del caudal variable de gas refrigerante (22).1.- An improvement introduced in equipment for artificial refrigeration of grains and seeds, consisting of one or more compressor group (s) (1.A), (1.B), (1.C) and (1.D) operating in independent circuits, condenser coils (2), an evaporator pre-cooling coil with two independent refrigeration circuits (3) in series with the post-cooling coil with two independent refrigeration circuits (4), axial condensing fans (4) 5), a centrifugal load fan limit with backward curved blades for variable process air movement (6), a Pt 100 temperature sensor for monitoring the temperature of the air at the evaporator outlet (7), a controller PID of air temperature at the evaporator outlet (8), a frequency inverter for controlling the air flow of the centrifugal fan (9) and an air temperature sensor at the evaporator outlet (10), CHARACTERIZED because such improvements understands n the following new components: a three-stage air temperature controller at the evaporator outlet (11), a PLC programmable logic controller (12), gas temperature sensors in the gas line at the evaporator outlet for detection of freezing (13), a temperature controller for freezing control (14), a pressure switch for pressure control in the liquid line for axial fan control and freeze protection (15), an outlet air temperature sensor of the condenser (16), a PID controller of the condenser fan (17), a frequency inverter for controlling the air flow of the condenser (18), a pre-heating coil (19), a pre-temperature sensor air heating (20), a PID controller for control of the flow of refrigerant gas in the pre-heating coil (21), and control valves of the variable flow of refrigerant gas (22).

CO10043231A 2007-10-16 2010-04-14 IMPROVEMENT IN EQUIPMENT FOR ARTIFICIAL REFRIGERATION OF GRAINS AND SEEDS CO6270182A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0703603-5 BRPI0703603B1 (en) 2007-10-16 2007-10-16 improvements made to equipment for artificial cooling of grains and seeds.

Publications (1)

Publication Number Publication Date
CO6270182A2 true CO6270182A2 (en) 2011-04-20

Family

ID=39124889

Family Applications (1)

Application Number Title Priority Date Filing Date
CO10043231A CO6270182A2 (en) 2007-10-16 2010-04-14 IMPROVEMENT IN EQUIPMENT FOR ARTIFICIAL REFRIGERATION OF GRAINS AND SEEDS

Country Status (5)

Country Link
AR (1) AR066895A1 (en)
BR (1) BRPI0703603B1 (en)
CO (1) CO6270182A2 (en)
UY (1) UY31391A1 (en)
WO (1) WO2009049390A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102012011160B1 (en) * 2012-05-11 2021-06-08 Francisco Maria Ayala Barreto improvements made to air dehydration and heating equipment
CN102734269B (en) * 2012-07-09 2014-12-31 重庆大学 Energy-saving oil supply system of remanufactured heavy machine tool
CN104456858A (en) * 2013-09-12 2015-03-25 同方人工环境有限公司 Condensate fan control device of annual refrigerating set
CN104141604A (en) * 2014-06-30 2014-11-12 深圳市英威腾电气股份有限公司 Frequency converter special for air compressor and air compressor variable-frequency drive control system
CN109030984A (en) * 2018-06-12 2018-12-18 姜平 There is one kind the detection of automatic wire winding function electric power to use warning device
CN108783524A (en) * 2018-09-07 2018-11-13 淄博齐鼎立专利信息咨询有限公司 A kind of Novel frying dried food and nuts machine
CN109990362B (en) * 2019-04-09 2020-11-06 福州怡辉电力设备有限公司 High-backpressure heat supply system of indirect air cooling unit and adjusting method
CN110810027B (en) * 2019-12-02 2021-03-02 吉林大学 Grain temperature-based circulation temperature control method in granary
CN111503968A (en) * 2020-04-29 2020-08-07 珠海格力电器股份有限公司 Air-cooled refrigerator and dehumidification method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675058A (en) * 1979-11-22 1981-06-20 Kaneko Agricult Mach Co Ltd Cooling method of dried grain
JPS61271924A (en) * 1985-05-25 1986-12-02 豊国工業株式会社 Grain storage method in silo
US5493808A (en) * 1993-05-25 1996-02-27 Apolan Pty Ltd. Controlled atmosphere storage chamber
JP3086860B2 (en) * 1993-12-24 2000-09-11 鹿島建設株式会社 Temperature and humidity control device for grain silo
BRPI0400535B1 (en) * 2004-04-23 2011-07-12 grain and seed cooler equipment.

Also Published As

Publication number Publication date
UY31391A1 (en) 2009-05-29
WO2009049390A1 (en) 2009-04-23
BRPI0703603A (en) 2008-02-26
BRPI0703603B1 (en) 2011-04-05
AR066895A1 (en) 2009-09-16

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Legal Events

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