CN105258375A - Blood product production energy saving refrigerating system and method - Google Patents
Blood product production energy saving refrigerating system and method Download PDFInfo
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- CN105258375A CN105258375A CN201510747675.7A CN201510747675A CN105258375A CN 105258375 A CN105258375 A CN 105258375A CN 201510747675 A CN201510747675 A CN 201510747675A CN 105258375 A CN105258375 A CN 105258375A
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Abstract
The invention relates to a blood product production energy saving refrigerating system and method. A one-to-one manner is adopted in a traditional refrigerating method of a blood product enterprise, the investment is large, and energy consumption is high. According to the refrigerating system, compressors are connected in parallel to form refrigerating units. The multiple refrigerating units are connected in parallel to form the refrigerating system. All the compressors in each set of refrigerating unit share one main suction pipe and one main exhaust pipe. Pressure sensors in the main suction pipes collect and transmit data to a computer control component, the computer control component controls the running state of the compressors according to the preset energy adjusting program, the number of the running compressors is increased or decreased, and the planned capacity of a refrigerating section is rapidly adjusted to the state corresponding to the refrigerating load. In order to reduce the energy consumption of the refrigerating system, high-low temperature work conditions are concluded and classified according to the blood product production characteristic, and four refrigerating systems different in evaporation temperature are formed. The energy-saving, efficient and safe running of a refrigerator unit is achieved, and the characteristic of the refrigerator unit meets the production requirement of blood products.
Description
Technical field
The invention belongs to blood product production technical field, be specifically related to a kind of blood product and produce energy-conserving refrigeration system and method thereof.
Background technology
The storage of blood product enterprise raw blood plasma and middle product, finished product and production environment need to do strict temperature and control, and meanwhile, current domestic blood product enterprise generally uses cold ethanol method production technology, needs a large amount of refrigeration in process of production.Therefore, blood product enterprise generally uses a large amount of refrigeration compressors, and refrigeration system energy consumption accounts for significant proportion in whole blood product energy consumption.
Conventional refrigeration method uses small-sized piston formula single-unit cold compressor, adopts man-to-man refrigeration modes, i.e. a compressor correspondence one cool equipment.Because of large, wide by cold scope and the feature that each working condition requirement temperature is different of blood product production cold, enterprise is often equipped with the refrigeration unit of One's name is legion to ensure uninterrupted production, and investment is large, it is high to consume energy, and can not realize energy adjustment and operational administrative is inconvenient.Meanwhile, blood product is produced because of its particularity, and large number quipments needs refrigeration cool-down, and the temperature required, refrigerating capacity differ greatly.As high frequent caused to start with the direct refrigeration cool-down of freon, system is unstable.
Summary of the invention
The object of this invention is to provide a kind of blood product and produce energy-conserving refrigeration system and method thereof, in blood product production process, greatly can reduce energy consumption cost.
The technical solution adopted in the present invention is:
Blood product produces energy-conserving refrigeration system, it is characterized in that:
Include and organize refrigeration unit more, often organize in refrigeration unit and include 2-4 compressor parallel with one another, often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, connected to form the refrigeration unit of automatic pondage by pipeline; Compressor horsepower often in group refrigeration unit and quantity determine the refrigeration work consumption of this group refrigeration unit;
Often organize refrigeration unit to be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot, each group refrigeration unit composes in parallel refrigeration system again.
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit.
The all compressors often organized in refrigeration unit share an air suction main and an exhaust main, and be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit.
Refrigeration unit comprises-42 DEG C of refrigeration units ,-35 DEG C of refrigeration units ,-25 DEG C of refrigeration units ,-5 DEG C of refrigeration units.
Blood product produces energy-conservation refrigerating method, it is characterized in that:
Compose in parallel refrigeration unit by 2-4 compressor, then compose in parallel refrigeration system by organizing refrigeration unit more;
Often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, often organize refrigeration unit and be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot;
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit, and share an air suction main and an exhaust main, be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit; In running when refrigerating capacity changes, pressure sensor finds pressure change in air suction main, issue conputer controlled parts, conputer controlled parts are according to the energy adjustment programme-control compressor behavior preset, increase or reduce compressor operating number of units, refrigerating section prediction scheme capacity is adjusted to rapidly the state adapted with cooling load.
In conputer controlled parts, input the operation shunt sequence of every compressor in this group refrigeration unit in advance, can each compressor operating time of control realization identical, there is identical wear extent.
Air-cooler is placed in the low-temperature cold store that blood product is produced, and utilizes freon hot gas to carry out defrosting operation in low-temperature cold store.
According to the demand of the cold link of each difference that blood product is produced, formulate the various working of refrigeration system by temperature height, realized by the unlatching quantity of compressor in the refrigeration unit in adjustment refrigeration system and refrigeration unit.
The present invention has the following advantages:
1, in the present invention, refrigeration unit is by 2-4 platform small-sized screw compressor parallel, share refrigeration system vitals, every platform Parallel sets arranges liquids and gases regulation station and conputer controlled parts according to demand, adds that valve instrument, self controlled element and pipeline connect to form the large-scale refrigeration machine of the automatic pondage of an independent completion.
2, the Parallel sets of the different operating mode of multiple stage, forms large-scale refrigeration system in parallel with multiple stage evaporative condenser, air-cooler and heat exchanger and reservoir, Siphon pot etc., forms multi-state, multipurpose, multiloop, high efficiency energy-saving type refrigerating device.
3, parallel-screw Compressor Group is gradable carries out volume controlled, can obtain the combination of multistage power output by multiple compressors combination, realizes matching with load variations.
Even if 4, the indivedual unit fault of parallel-screw Compressor Group still can continue refrigeration with other compressor.
5, parallel-screw Compressor Group inputs every compressor in advance and runs shunt sequence, each compressor operating time can be made substantially identical, have substantially identical wear extent in whole use procedure, extend the service life of whole refrigeration unit.
6, parallel-screw Compressor Group adopts micro computer grading control processor, can realize far distance controlled.
7, the present invention incites somebody to action height different temperatures operating mode inducing classification according to the feature that blood product is produced, the refrigeration system that composition 4 kinds of evaporating temperatures are different, form 4 loops, i.e.-42 DEG C of sweat cooling systems ,-35 DEG C of sweat cooling systems ,-25 DEG C of sweat cooling systems ,-5 DEG C of sweat cooling systems, each refrigeration system be respectively used to blood product produce relate to each use cold link.
8, the present invention is directed to the particularity that blood product is produced, by the requirement of blood product production technology temperature, ethylene glycol coolant is divided into the different water tank of three classes, the screw parallel unit of corresponding different operating mode, adopt each equipment in low-temperature glycol refrigerant cooling production process, avoid and cause high frequent to start with the direct refrigeration cool-down of freon, improve the stability of a system and save mass energy consumption.
9, the present invention adopts freon hot gas defrosting technology to blood product low-temperature cold store, the opening and closing of feed flow electromagnetic main valve and defrosting electromagnetic main valve is controlled by solenoid pilot valve, the Freon gas defrosting of the high pressure-temperature utilizing compressor to discharge, external heat is not needed to consume electric energy, and frost layer is melted by inside, less on the impact of storehouse temperature.
Accompanying drawing explanation
Fig. 1 is refrigeration unit structure chart.
Fig. 2 is refrigerant system configurations figure.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be described in detail.
The present invention is for reducing refrigeration system energy consumption, according to the feature that blood product is produced, height different temperatures operating mode inducing classification, the refrigeration system that composition four kinds of evaporating temperatures are different, arrange refrigeration unit in parallel according to its feature, and adopt ethylene glycol coolant cooling to substitute the mode of direct refrigeration cool-down according to operating mode different piece.In production of articles, adopt multi-machine parallel connection Spiral Lobe Refrigeration Compressor, namely at same system, adopt the parallel connection of multiple stage light duty compressor to substitute separate unit high-power compressor, adopt air-cooler hot gas defrosting technology to reduce energy consumption further simultaneously.This technology adapts to refrigeration system in variable working condition situation, realizes that refrigeration unit is energy-conservation, efficient, safe operation very much, and its feature meets the demand that blood product is produced very much.
The blood product that the present invention relates to produces energy-conserving refrigeration system, include and organize refrigeration unit more, often organize in refrigeration unit and include 2-4 compressor parallel with one another, often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, the refrigeration unit of automatic pondage is connected to form by pipeline; Compressor horsepower often in group refrigeration unit and quantity determine the refrigeration work consumption of this group refrigeration unit;
Often organize refrigeration unit to be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot, each group refrigeration unit composes in parallel refrigeration system again.
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit.
The all compressors often organized in refrigeration unit share an air suction main and an exhaust main, and be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit.
Refrigeration unit comprises-42 DEG C of refrigeration units ,-35 DEG C of refrigeration units ,-25 DEG C of refrigeration units ,-5 DEG C of refrigeration units.Above-mentioned-42 DEG C of refrigeration units are used for blood product-35 DEG C precipitation storehouse, select unit twin-screw piston Parallel sets.
Above-mentioned-35 DEG C of refrigeration units for cooling blood plasma freezer, cooled compressed air extremely-18 DEG C, cooling production-30 DEG C of ethylene glycol coolant, then cool alcohol and various cooling tank, retort or miscellaneous equipment with refrigerant.
Above-mentioned-25 DEG C of refrigeration units are produced by-20 DEG C of ethylene glycol coolant for cooling, then cool various retort with refrigerant, and-5 DEG C and 5 DEG C of low-temperature air conditioners.
Above-mentioned-5 DEG C of refrigeration units are used between cooling down operation and warehouse for finished product, and cooling is produced by-5 DEG C of ethylene glycol coolant, then cool water for injection and various cooling tank, retort or miscellaneous equipment with refrigerant.
Above-mentioned blood product produces the operation method of energy-conserving refrigeration system, comprising:
Compose in parallel refrigeration unit by 2-4 compressor, then compose in parallel refrigeration system by organizing refrigeration unit more;
Often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, often organize refrigeration unit and be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot;
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit, and share an air suction main and an exhaust main, be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit; In running when refrigerating capacity changes, pressure sensor finds pressure change in air suction main, issue conputer controlled parts, conputer controlled parts are according to the energy adjustment programme-control compressor behavior preset, increase or reduce compressor operating number of units, refrigerating section prediction scheme capacity is adjusted to rapidly the state adapted with cooling load.The refrigeration unit of system can select low temperature parallel compressor unit or middle temperature parallel compressor unit according to temperature requirement and payload.
In conputer controlled parts, input the operation shunt sequence of every compressor in this group refrigeration unit in advance, can each compressor operating time of control realization identical, there is identical wear extent.
Native system adopts low-temperature glycol refrigerant to cool each cooling tank, retort and other is with cool equipment, avoids direct refrigeration cool-down to cause high frequent to start, the problem of system instability.Low-temperature glycol coolant system,-30 DEG C of ethylene glycol water tanks ,-20 DEG C of ethylene glycol water tanks ,-5 DEG C of ethylene glycol water tanks are divided into by the requirement of blood product technological temperature, the screw parallel unit of corresponding three kinds of different operating modes respectively, Parallel sets is by plate type heat exchanger and cyclic water tank, drop to set temperature often organizing ethylene glycol water tank, simultaneously low-temperature glycol refrigerant be delivered to each cooling tank, retort or other use cool equipment.Ethylene glycol water tank has the cold function of storage, and the low refrigerating capacity of outside air temperature at night can be utilized large, and night, valley electricity price lowly stored cold at night, and daytime reduces compressor operating time.
According to the demand of the cold link of each difference that blood product is produced, formulate the various working of refrigeration system by temperature height, realized by the unlatching quantity of compressor in the refrigeration unit in adjustment refrigeration system and refrigeration unit.
Freezer adopts freon hot gas defrosting technology not consume electric energy, when defrosting work starts, first feed flow electromagnetic main valve is closed, blower fan operates the liquid of finding time in evaporimeter, stop blower fan and close two-step opening formula electromagnetism air-breathing main valve, hot gas electromagnetic main valve is opened, and hot gas enters the frost layer on evaporimeter thawing comb.After defrosting end-of-job, two-step opening formula electromagnetic main valve will slowly open the row's of making overpressure slow release until pressure balance, and feed flow electromagnetic main valve is opened simultaneously to air-cooler feed flow, and air-cooler enters normal refrigeration work state.
Content of the present invention is not limited to cited by embodiment, and the conversion of those of ordinary skill in the art by reading description of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (8)
1. blood product produces energy-conserving refrigeration system, it is characterized in that:
Include and organize refrigeration unit more, often organize in refrigeration unit and include 2-4 compressor parallel with one another, often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, connected to form the refrigeration unit of automatic pondage by pipeline; Compressor horsepower often in group refrigeration unit and quantity determine the refrigeration work consumption of this group refrigeration unit;
Often organize refrigeration unit to be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot, each group refrigeration unit composes in parallel refrigeration system again.
2. blood product according to claim 1 produces energy-conserving refrigeration system, it is characterized in that:
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit.
3. blood product according to claim 1 produces energy-conserving refrigeration system, it is characterized in that:
The all compressors often organized in refrigeration unit share an air suction main and an exhaust main, and be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit.
4. blood product according to claim 1 produces energy-conserving refrigeration system, it is characterized in that:
Refrigeration unit comprises-42 DEG C of refrigeration units ,-35 DEG C of refrigeration units ,-25 DEG C of refrigeration units ,-5 DEG C of refrigeration units.
5. blood product produces energy-conservation refrigerating method, it is characterized in that:
Compose in parallel refrigeration unit by 2-4 compressor, then compose in parallel refrigeration system by organizing refrigeration unit more;
Often organize refrigeration unit and be provided with liquids and gases regulation station and conputer controlled parts, and valve instrument, self controlled element are installed, often organize refrigeration unit and be all connected with multiple stage evaporative condenser, multiple stage air-cooler, multiple stage plate type heat exchanger, reservoir, Siphon pot;
Often organize all compressor common oil eliminators, gas-liquid separator, oil cooler and the liquid supercooler in refrigeration unit, and share an air suction main and an exhaust main, be provided with pressure sensor in air suction main, the image data of pressure sensor is sent to the conputer controlled parts of this group refrigeration unit; In running when refrigerating capacity changes, pressure sensor finds pressure change in air suction main, issue conputer controlled parts, conputer controlled parts are according to the energy adjustment programme-control compressor behavior preset, increase or reduce compressor operating number of units, refrigerating section prediction scheme capacity is adjusted to rapidly the state adapted with cooling load.
6. blood product according to claim 5 produces energy-conservation refrigerating method, it is characterized in that:
In conputer controlled parts, input the operation shunt sequence of every compressor in this group refrigeration unit in advance, can each compressor operating time of control realization identical, there is identical wear extent.
7. blood product according to claim 5 produces energy-conservation refrigerating method, it is characterized in that:
Air-cooler is placed in the low-temperature cold store that blood product is produced, and utilizes freon hot gas to carry out defrosting operation in low-temperature cold store.
8. blood product according to claim 5 produces energy-conservation refrigerating method, it is characterized in that:
According to the demand of the cold link of each difference that blood product is produced, formulate the various working of refrigeration system by temperature height, realized by the unlatching quantity of compressor in the refrigeration unit in adjustment refrigeration system and refrigeration unit.
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| CN201510747675.7A CN105258375A (en) | 2015-11-06 | 2015-11-06 | Blood product production energy saving refrigerating system and method |
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| CN201510747675.7A CN105258375A (en) | 2015-11-06 | 2015-11-06 | Blood product production energy saving refrigerating system and method |
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| CN1035883A (en) * | 1988-01-19 | 1989-09-27 | 多堆垛有限公司 | The improvement of heating and cooling system |
| US5867995A (en) * | 1995-07-14 | 1999-02-09 | Energy Controls International, Inc. | Electronic control of refrigeration systems |
| CN101568772A (en) * | 2007-05-24 | 2009-10-28 | 计算机过程控制有限公司 | Refrigeration system and method using multiple variable capacity devices |
| CN201382624Y (en) * | 2009-01-23 | 2010-01-13 | 马兴国 | Unit combined type parallel refrigerating unit |
| CN101897526A (en) * | 2008-09-25 | 2010-12-01 | 三洋电机株式会社 | Cooling system |
| CN204063665U (en) * | 2014-04-16 | 2014-12-31 | 河南千年冷冻设备有限公司 | A kind of freezer group energy conserving system |
| CN205137979U (en) * | 2015-11-06 | 2016-04-06 | 西安回天血液制品有限责任公司 | Blood products produces energy -conserving refrigerating system |
-
2015
- 2015-11-06 CN CN201510747675.7A patent/CN105258375A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035883A (en) * | 1988-01-19 | 1989-09-27 | 多堆垛有限公司 | The improvement of heating and cooling system |
| US5867995A (en) * | 1995-07-14 | 1999-02-09 | Energy Controls International, Inc. | Electronic control of refrigeration systems |
| CN101568772A (en) * | 2007-05-24 | 2009-10-28 | 计算机过程控制有限公司 | Refrigeration system and method using multiple variable capacity devices |
| CN101897526A (en) * | 2008-09-25 | 2010-12-01 | 三洋电机株式会社 | Cooling system |
| CN201382624Y (en) * | 2009-01-23 | 2010-01-13 | 马兴国 | Unit combined type parallel refrigerating unit |
| CN204063665U (en) * | 2014-04-16 | 2014-12-31 | 河南千年冷冻设备有限公司 | A kind of freezer group energy conserving system |
| CN205137979U (en) * | 2015-11-06 | 2016-04-06 | 西安回天血液制品有限责任公司 | Blood products produces energy -conserving refrigerating system |
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