CN201203218Y - Multiple-refrigerated water temperature heat and wet individual processing air conditioner device - Google Patents

Multiple-refrigerated water temperature heat and wet individual processing air conditioner device Download PDF

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Publication number
CN201203218Y
CN201203218Y CNU200820033759XU CN200820033759U CN201203218Y CN 201203218 Y CN201203218 Y CN 201203218Y CN U200820033759X U CNU200820033759X U CN U200820033759XU CN 200820033759 U CN200820033759 U CN 200820033759U CN 201203218 Y CN201203218 Y CN 201203218Y
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China
Prior art keywords
input
evaporimeter
compressor
coil pipe
chilled water
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Expired - Fee Related
Application number
CNU200820033759XU
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Chinese (zh)
Inventor
梁彩华
张小松
蒋赟昱
梅奎
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Southeast University
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Southeast University
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Priority to CNU200820033759XU priority Critical patent/CN201203218Y/en
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Publication of CN201203218Y publication Critical patent/CN201203218Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a multi freezing water hot-wet separated air conditioning device, wherein the input ends of a compressor 1, a condenser 2, a liquid storage device 3 and a filter 4 are connected one another, the output end of the filter is connected with a first evaporator 6 by a first electronic expansion valve 5 and connected with a second evaporator 8 by a second electronic expansion valve 7; the output end of the first evaporator is connected with an input end 1a of the compressor, the output end of the second evaporator is connected with a second input end 1b of the compressor; the freezing water output end of the first evaporator is connected with the input end of a first water pump 9, the output end of the first water pump is connected with the input end of a floor radiation coil pipe 10, the output end of the floor radiation coil pipe is connected with the freezing water input end of the first evaporator; the freezing water input end of the second evaporator is connected with the input end of a second water pump 11, the output end of the second water pump is connected with the input end of an auxiliary fan coil pipe 12, the output end of the auxiliary fan coil pipe 12 is connected with the input end of the second evaporator.

Description

The wet aircondition of separately handling of the heat of many chilled water temperatures
Technical field
The utility model relates to a kind of flooring radiation that utilizes of the wet independent process of heat of realizing and bears indoor sensible heat load, and the accessory fan coil pipe is born the handpiece Water Chilling Units and the air-treatment method thereof of indoor humidity load, the technical field that belongs to the refrigerated air-conditioning system design and make.
Background technology
Raising along with people's living standard, to work, the requirement of studying and living environmental amenity is also more and more higher, air-conditioning is used widely, but exhaustion along with fossil energy, energy shortage has become the major issue that whole world development is faced, how on the basis of satisfying people's comfortableness demand, realizes that the saving of the energy seems extremely important, the floor radiant cooling technology just has such characteristics, and floor radiant cooling has advantages such as comfortableness height, energy savings.But the greatest problem that floor radiant cooling exists is that " dewfall " phenomenon appears in floor surface easily, and the dewfall phenomenon has seriously hindered the development and the application of floor radiant cooling technology.Existing floor radiant cooling system scheme is taked the mode that handpiece Water Chilling Units+the flooring radiation coil pipe combines with displacement ventilation system mostly, perhaps take handpiece Water Chilling Units+flooring radiation coil pipe to combine with solution dehumidification, this dual mode all causes whole air-conditioning system equipment huge, the initial cost height, control is complicated, and whole air-conditioning system economy is reduced.
Summary of the invention
Technical problem: the purpose of this utility model is to have system complex for solving existing floor radiant cooling system, initial cost is big, problems such as control accuracy is lower, the heat that proposes many chilled water temperatures that a kind of system is simple, control accuracy is high, economic performance is good wets and separately handles aircondition.
Technical scheme: the heat of the many chilled water temperatures of the utility model is wet separately to be handled in the aircondition, compressor outlet connects the input of condenser, the input of the output termination reservoir of condenser, the output of reservoir links to each other with the input of filter, the output of filter connects the input of first electric expansion valve and the input of second electric expansion valve respectively, the outlet of first electric expansion valve connects the input of first evaporimeter, the first input end of the output termination compressor of first evaporimeter, the outlet of second electric expansion valve connects the input of second evaporimeter, second input of the output termination compressor of second evaporimeter.The input of chilled water output termination first water pump of first evaporimeter, the output of first water pump connects the input of flooring radiation coil pipe, and the outlet of flooring radiation coil pipe connects the chilled water input of first evaporimeter.The chilled water outlet of second evaporimeter connects the input of second water pump, the input of the output termination accessory fan coil pipe of second water pump, and the outlet of accessory fan coil pipe connects the input of second evaporimeter.
The compressor that the wet air-treatment method of separately handling aircondition of the heat of many chilled water temperatures of the present utility model is a handpiece Water Chilling Units has the double suction atmospheric pressure, handpiece Water Chilling Units has two evaporimeters, produce the different temperatures chilled water respectively, first evaporimeter is produced high temperature chilled water (12~14 ℃), supply with the flooring radiation coil pipe, be used to bear indoor main thermic load; Second evaporimeter is produced cryogenic freezing water (about 7 ℃), supplies with the accessory fan coil pipe, is used to bear indoor humidity load and fraction thermic load.During indoor section air process accessory fan coil pipe, be lower than the dew-point temperature of air because of the chilled water temperature in the fan coil, water in air part is condensed in fan coil, after coming out from the accessory fan coil pipe, air is dry air, after room air mixes, enter the circulation of accessory fan coil pipe once more, thereby indoor humidity load is eliminated, make the dew-point temperature of room air be lower than floor surface temperature, guarantee that " dewfall " phenomenon does not appear in the floor in the floor radiant cooling process.Room air carries out convection current and radiation heat transfer with the floor that is embedded with radiant coil simultaneously, and cold is passed to air and indoor equipment, personnel from the floor, and this moment, the flooring radiation coil pipe was born indoor sensible heat load, thereby realizes the wet independent process of heat of room conditioning load.The flooring radiation coil pipe is not born dehumidification function, can take the chilled water of higher temperature, thereby improves the refrigeration system evaporating temperature, and unit performance is improved greatly, realizes energy-conservation.
The heat of many chilled water temperatures is wet separately to be handled the scheme that aircondition takes and be: cold-producing medium enters condenser condenses be compressed discharge in compressor after, enter reservoir after being condensed into liquid, filter through filter then, coming out afterwards from filter, cold-producing medium is divided into two-way, one the tunnel becomes gas-liquid two-phase through cold-producing medium after the first electric expansion valve throttling step-down enters first evaporimeter, cold-producing medium carries out heat exchange with chilled water therein, absorbs heat of vaporization, produces the high temperature chilled water.Become overheated gas after cold-producing medium evaporates fully and enter compressor, be compressed discharge once more, thereby realize circulation from compressor first suction end.Another road cold-producing medium is entered second evaporimeter through second electric expansion valve after the throttling step-down, cold-producing medium therein with the chilled water heat exchange, absorb heat of vaporization, produce cryogenic freezing water.Become overheated gas after cold-producing medium evaporates fully and enter compressor, compressed the back again by compressor and discharge, thereby realize circulation from compressor second suction end.In the high temperature chilled water circuit, chilled water in first evaporimeter with the cold-producing medium heat exchange, temperature reduces, come out to be entered the flooring radiation coil pipe after first water pump suction pressurization from first evaporimeter, chilled water, floor, air conduct, convection current and radiation heat transfer, chilled water temperature raises, and enters once more after the flooring radiation coil pipe comes out first evaporimeter and the cold-producing medium heat exchange, reduces self temperature.Thereby form circulation.In the cryogenic freezing water loop, chilled water in second evaporimeter with the cold-producing medium heat exchange, temperature reduces, come out to be entered the accessory fan coil pipe after second water pump suction pressurization from second evaporimeter, chilled water carries out exchange heat with air therein, and water in air steam condenses, chilled water temperature raises, after the accessory fan coil pipe comes out, enter first evaporimeter and cold-producing medium heat exchange once more, emit heat and reduce self temperature, thereby form circulation.
Whole device is realized floor radiant cooling and the floor key of dewfall do not occur and is, by chilled-water flow and wind speed in the control accessory fan coil pipe, realization is to the adjusting of indoor air humidity, thereby the dew-point temperature that guarantees room air is lower than floor surface temperature, prevents the appearance of floor " dewfall " phenomenon.By the frequency of controlling second water pump is the adjusting that rotating speed can be realized accessory fan coil pipe chilled-water flow, can realize the control of wind speed by the operation shelves number (high, medium and low third gear) that changes blower fan in the accessory fan coil pipe.
Beneficial effect: the wet advantage of separately handling aircondition of the heat of these many chilled water temperatures is: simply, effectively eliminate the condensation trouble of floor radiant cooling, remedied long deficiency transit time at cooling initial stage that floor radiant cooling exists.Whole apparatus structure is simple, the control accuracy height, and initial cost is less.Because take the high temperature chilled water to bear indoor sensible heat load, unit performance is greatly enhanced, and has realized the efficient, energy-conservation of whole machine set system, has good and economic simultaneously.
Description of drawings
Fig. 1 is the wet aircondition schematic flow sheet of separately handling of the heat of the many chilled water temperatures of the utility model.
Have among the above figure: compressor 1; Compressor first input end 1a; The compressor second input 1b; Condenser 2; Reservoir 3; Filter 4; First electric expansion valve 5; First evaporimeter 6; Second electric expansion valve 7; Second evaporimeter 8; First water pump 9; Floor radiant cooling coil pipe 10; Second water pump 11; Accessory fan coil pipe 12.
The specific embodiment
1 further specify the specific embodiment of the present utility model in conjunction with the accompanying drawings: compressor 1 outlet connects the input of condenser 2, the input of the output termination reservoir 3 of condenser 2, the output of reservoir 3 links to each other with the input of filter 4, the output of filter 4 links to each other with the input of first electric expansion valve 5 and the input of second electric expansion valve 7 respectively, the output of first electric expansion valve 5 connects the input of first evaporimeter 6, the first input end 1a of the output termination compressor 1 of first evaporimeter 6, the input of output termination second evaporimeter 8 of second electric expansion valve 7, the second input 1b of the output termination compressor 1 of second evaporimeter 8.The input of chilled water output termination first water pump 9 of first evaporimeter 6, the output of first water pump 9 connects the input of flooring radiation coil pipe 10, the chilled water input of output termination first evaporimeter 6 of flooring radiation coil pipe 10.The input of chilled water output termination second water pump 11 of second evaporimeter 8, the input of the output termination accessory fan coil pipe 12 of second water pump 11, the input of output termination second evaporimeter 8 of accessory fan coil pipe 12.Wherein, compressor 1 is a double suction atmospheric pressure compressor, as the multi-cylinder piston compressor, or the middle air-breathing helical-lobe compressor of band, or digital scroll compressor.
The heat of many chilled water temperatures is wet separately to be handled the aircondition processing procedure and be: the indoor section air is at first sucked by the accessory fan coil pipe, be lower than the dew-point temperature of air because of the chilled water temperature in the fan coil, water in air steam condenses on the fan coil fin, air humidity reduces, air comes out the back with after room air mixes from the accessory fan coil pipe, enter the circulation of accessory fan coil pipe once more, thereby indoor humidity load is eliminated, make the dew-point temperature of room air be lower than floor surface temperature, guarantee " dewfall " phenomenon not occur in the floor radiant cooling process.Room air carries out convection current and radiation heat transfer with the floor that is embedded with radiant coil simultaneously, and cold is passed to air and indoor equipment, personnel from the floor, and the flooring radiation coil pipe is born indoor sensible heat load.Realize the wet independent process of heat of room conditioning load, flooring radiation is not born dehumidification function simultaneously, can take the chilled water of higher temperature, thereby improves the refrigeration system evaporating temperature, and the performance of unit is improved greatly, realizes energy-conservation.
The wet detailed process of separately handling aircondition of the heat of many chilled water temperatures is: cold-producing medium enters condenser condenses be compressed discharge in compressor after, enter reservoir after being condensed into liquid, filter through filter then, coming out afterwards from filter, cold-producing medium is divided into two-way, one the tunnel becomes gas-liquid two-phase through cold-producing medium after the first electric expansion valve throttling step-down enters first evaporimeter, cold-producing medium carries out heat exchange with chilled water therein, absorb heat of vaporization, produce the high temperature chilled water, become overheated gas after cold-producing medium evaporates fully and enter compressor from compressor first suction end, be compressed discharge once more, thereby realize circulation.Another road cold-producing medium is through second electric expansion valve, entered second evaporimeter after the throttling step-down, cold-producing medium therein with the chilled water heat exchange, absorb heat of vaporization, produce cryogenic freezing water, become overheated gas after cold-producing medium evaporates fully and enter compressor, compressed the back again by compressor and discharge, thereby realize circulation from compressor second suction end.In the high temperature chilled water circuit, chilled water in first evaporimeter with the cold-producing medium heat exchange, temperature reduces, come out to enter the flooring radiation coil pipe after the back is sucked pressurization by first water pump from first evaporimeter, chilled water, floor, air conduct, convection current and radiation heat transfer, chilled water temperature raises, and enters once more after the flooring radiation coil pipe comes out first evaporimeter and the cold-producing medium heat exchange, reduces self temperature.Thereby form circulation.In the cryogenic freezing water loop, chilled water in second evaporimeter with the cold-producing medium heat exchange, temperature reduces, come out to be entered the accessory fan coil pipe after second water pump suction pressurization from second evaporimeter, chilled water carries out exchange heat with air therein, and chilled water temperature raises, and enters after the accessory fan coil pipe comes out first evaporimeter and cold-producing medium heat exchange once more, emit heat and reduce self temperature, thereby form circulation.
In the floor radiant cooling initial start stage, by strengthening the accessory fan coil pipe wind speed and the freezing water yield, can make indoor air temperature reach desired value rapidly, remedy the deficiency that floor radiant cooling starts the precooling overlong time.
When indoor humidity load changes, by regulating second water pump, fan operation shelves number, control enters the freezing water yield and the wind speed of accessory fan coil pipe, when humidity load is big, increase the freezing water yield and the wind speed that enter the accessory fan coil pipe, humidity load hour reduces to enter the freezing water yield and the wind speed of accessory fan coil pipe.

Claims (5)

1. the heat of chilled water temperature more than one kind wets and separately handles aircondition, it is characterized in that compressor (1) outlet connects the input of condenser (2), the input of the output termination reservoir (3) of condenser (2), the output of reservoir (3) links to each other with the input of filter (4), the output of filter (4) connects the input of first electric expansion valve (5) and the input of second electric expansion valve (7) respectively, the output of first electric expansion valve (5) connects the input of first evaporimeter (6), the first input end (1a) of the output termination compressor (1) of first evaporimeter (6), the input of output termination second evaporimeter (8) of second electric expansion valve (7), second input (1b) of the output termination compressor (1) of second evaporimeter (8); The input of chilled water output termination first water pump (9) of first evaporimeter (6), the output of first water pump (9) connects the input of flooring radiation coil pipe (10), the chilled water input of output termination first evaporimeter (6) of flooring radiation coil pipe (10); The input of chilled water output termination second water pump (11) of second evaporimeter (8), the input of the output termination accessory fan coil pipe (12) of second water pump (11), the input of output termination second evaporimeter (8) of accessory fan coil pipe (12).
2. the heat of many chilled water temperatures according to claim 1 is wet separately handles aircondition, it is characterized in that compressor (1) is a double suction atmospheric pressure compressor.
3. the heat of many chilled water temperatures according to claim 2 is wet separately handles aircondition, it is characterized in that described double suction atmospheric pressure compressor is the multi-cylinder piston compressor, or the middle air-breathing helical-lobe compressor of band, or digital scroll compressor.
4. the heat of many chilled water temperatures according to claim 1 is wet separately handles aircondition, it is characterized in that accessory fan coil pipe (12) bears the room air humidity load, and the blower fan wind speed is adjustable in the accessory fan coil pipe (12).
5. the heat of many chilled water temperatures according to claim 1 is wet separately handles aircondition, it is characterized in that first water pump (9), second water pump (11) are variable frequency pump or adjustable speed water pump.
CNU200820033759XU 2008-04-03 2008-04-03 Multiple-refrigerated water temperature heat and wet individual processing air conditioner device Expired - Fee Related CN201203218Y (en)

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Application Number Priority Date Filing Date Title
CNU200820033759XU CN201203218Y (en) 2008-04-03 2008-04-03 Multiple-refrigerated water temperature heat and wet individual processing air conditioner device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200820033759XU CN201203218Y (en) 2008-04-03 2008-04-03 Multiple-refrigerated water temperature heat and wet individual processing air conditioner device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101968243A (en) * 2010-09-21 2011-02-09 东南大学 Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof
CN103105015A (en) * 2013-03-07 2013-05-15 西南科技大学 Energy-saving type double-evaporator two-stage compression refrigerating equipment used for floor radiant cooling
CN104251515A (en) * 2013-06-25 2014-12-31 上海日立电器有限公司 Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat
CN110332740A (en) * 2019-08-19 2019-10-15 盛昌科技(深圳)有限公司 A kind of water cooling refrigerator and water cooling refrigeration equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101968243A (en) * 2010-09-21 2011-02-09 东南大学 Air source heat pump device capable of simultaneously preparing double-temperature water and driving method thereof
CN103105015A (en) * 2013-03-07 2013-05-15 西南科技大学 Energy-saving type double-evaporator two-stage compression refrigerating equipment used for floor radiant cooling
CN104251515A (en) * 2013-06-25 2014-12-31 上海日立电器有限公司 Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat
CN110332740A (en) * 2019-08-19 2019-10-15 盛昌科技(深圳)有限公司 A kind of water cooling refrigerator and water cooling refrigeration equipment

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090304

Termination date: 20120403