CN217336263U - High energy-saving refrigerating system - Google Patents

High energy-saving refrigerating system Download PDF

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CN217336263U
CN217336263U CN202220630325.8U CN202220630325U CN217336263U CN 217336263 U CN217336263 U CN 217336263U CN 202220630325 U CN202220630325 U CN 202220630325U CN 217336263 U CN217336263 U CN 217336263U
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tube
refrigerant
exchange
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air
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王启成
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The utility model discloses a high energy-saving refrigerating system, include: the air-conditioning system comprises a refrigerant heat exchange tube, a first refrigerant tube, a second refrigerant tube, a third refrigerant tube, a fourth refrigerant tube, a liquid accumulator, a heat exchanger, a cooling fan, a compressor, a four-way valve, an exchange box, an outdoor air inlet tube, an air exchange tube, an indoor air outlet tube and a water supply tube, wherein the air exchange tube is installed in the exchange box, one end of the air exchange tube is communicated to the outdoor air inlet tube, the other end of the air exchange tube is communicated to the indoor air outlet tube, the refrigerant heat exchange tube is surrounded outside the air exchange tube, one end of the refrigerant heat exchange tube is communicated to the first end of the four-way valve through the first refrigerant tube, the other end of the refrigerant heat exchange tube is communicated to one end of the liquid accumulator through the second refrigerant tube, the other end of the liquid accumulator is communicated to one end of the heat exchanger through the third refrigerant tube, and the other end of the heat exchanger is communicated to the second end of the four-way valve through the third refrigerant tube. The high energy-saving refrigeration system solves the problem that in the prior art, energy consumption is high in unit time.

Description

High energy-saving refrigerating system
Technical Field
The utility model relates to a refrigeration plant, concretely relates to high energy-saving refrigerating system.
Background
With the rapid development of informatization, particularly cloud computing, the Internet of things, mobile internet, big data strategy and internet +. The data center requires 8760 hours of uninterrupted operation all the year round, the rapid increase of the number and scale of the data centers brings about rapid increase of energy consumption, the total amount of the data centers in China currently exceeds more than 40 thousands, the annual power consumption exceeds 1.5 percent of the power consumption of the whole society, the heating density of the data centers is as high as 300-2000 w/M2, and fresh, clean and cold air cooling is needed to ensure the temperature and humidity environment required by normal operation of IT equipment of the data centers. The existing data center refrigeration cooling system comprises an air conditioner refrigeration system, a natural cold air system, a water side cooling system and a liquid cooling system. The liquid cooling effect is good, the liquid price is high and expensive, the natural cold wind is cooled, the advantage is that the natural cold wind is collected in winter, the energy-saving effect is achieved, the defect is that the air or water is cooled by an air conditioner in hot summer, the energy-saving and consumption-reducing targets can not be achieved all the year round, the maximum energy consumption is an air conditioner cooling and water side cooling system, the structure of the air conditioner cooling and water side cooling system comprises a compressor, an outdoor fan, a cooling tower, a circulating water pump, a water processor, a water chilling unit and a structure, the compressor, the cooling tower, the circulating water pump, the water processor, the outdoor fan, the indoor fan and other energy consumption devices are operated to do work simultaneously when the air conditioner works, the longer the operation period is, the higher the energy consumption is, the energy consumption of the cooling system becomes the maximum energy consumption of a data center, the energy consumption of the air conditioner water side cooling system accounts for 40% of the total energy consumption of the data center, and is almost equivalent to that of IT devices, and the energy consumption of water is reduced. The PUE value of the power consumption of the advanced data center IT equipment in foreign countries is smaller than 1.6 Europe and America national Virgiz communication, the PUE value of the data center energy consumption of large-scale users such as Schneider, Google, Yahu, Microsoft and the like is 1.3 to 1.5, the PUE value of the large-scale data center built in 2017 in China is designed to be 1.48, but the cooling system of an IT equipment machine room depends on import and is expensive, and the PUE value of the energy consumption of the data center in medium and small scales is generally between 2.3 and 3, which means that the electric energy of more than 1.5KW/h hour is consumed by the cooling system when the IT equipment consumes 1KW/h hour.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high energy-saving refrigerating system, solve in the prior art more problem of energy consumption in the unit time.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a high energy-saving refrigerating system, include: a refrigerant heat exchange tube, a first refrigerant tube, a second refrigerant tube, a third refrigerant tube, a fourth refrigerant tube, a liquid accumulator, a heat exchanger, a cooling fan, a compressor, a four-way valve, an exchange box, an outdoor air inlet tube, an air exchange tube, an indoor air outlet tube and a water supply tube, wherein the air exchange tube is arranged in the exchange box, one end of the air exchange tube is communicated with the outdoor air inlet tube, the other end of the air exchange tube is communicated with the indoor air outlet tube, the refrigerant heat exchange tube is surrounded outside the air exchange tube, one end of the refrigerant heat exchange tube is communicated with the first end of the four-way valve through the first refrigerant tube, the other end of the refrigerant heat exchange tube is communicated with one end of the liquid accumulator through the second refrigerant tube, the other end of the liquid accumulator is communicated with one end of the heat exchanger through the third refrigerant tube, the other end of the heat exchanger is communicated with the second end of the four-way valve through the third refrigerant tube, and the fourth end of the four-way valve are respectively communicated with two ends of the compressor, the exchange box is provided with a water supply pipe which is communicated to the inner cavity of the exchange box.
Preferably, the middle part of the outdoor air inlet pipe is communicated with the spraying pipe.
Preferably, the exchange box comprises: the box comprises a box shell and a heat-preservation cotton layer, wherein the heat-preservation cotton layer is arranged in the box shell and surrounds the inner cavity of the exchange box.
Preferably, a water temperature sensor and a water level sensor are installed on the exchange box, the water temperature sensor is used for detecting the water temperature in the inner cavity of the exchange box, the water level sensor is used for detecting the water level in the inner cavity of the exchange box, and the first electronic stop valve, the water temperature sensor and the water level sensor are all connected to the control box.
Preferably, an outdoor air filter is installed at an inlet of the outdoor air inlet duct.
Preferably, the middle part of the outdoor air inlet pipe is provided with an outdoor booster fan.
Preferably, the middle part of the indoor air outlet pipe is provided with an indoor air filter.
Preferably, an indoor booster fan is installed at the outlet of the indoor air outlet pipe.
Preferably, a dry filter is installed at the middle of the second refrigerant pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
in order to solve the technical defects, the utility model provides an economical, practical, low energy consumption, high quality and clean pollution-free natural cold wind, the technical scheme of the invention adopts the principle that nature ice and snow cold weather and tunnel produce natural cold wind, adopts the principle of cold and hot exchange to carry out heat exchange refrigeration in the inner cavity of the exchange box, the outer ring of the inner cavity of the exchange box is wound with a sealed heat preservation cotton layer, and the inner cavity of the exchange box forms a permanent freezing type natural snow mountain tunnel to generate natural fresh clean cold wind.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a high energy saving type refrigeration system.
Reference numerals: the air conditioner comprises a refrigerant heat exchange tube 1, a first refrigerant tube 2, a second refrigerant tube 3, a third refrigerant tube 4, a fourth refrigerant tube 5, an accumulator 6, a heat exchanger 7, a cooling fan 8, a compressor 9, a four-way valve 10, an exchange box 11, an outdoor air inlet tube 12, an air exchange tube 13, an indoor air outlet tube 14, a water supply tube 15, a spray tube 16, a water temperature sensor 17, a water level sensor 18, a first electronic stop valve 19, an outdoor air filter 20, an outdoor booster fan 21, an indoor air filter 22, an indoor booster fan 23 and a drying filter 24.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
as shown in fig. 1, the utility model discloses a high energy-saving refrigerating system, include: a refrigerant heat exchange tube 1, a first refrigerant tube 2, a second refrigerant tube 3, a third refrigerant tube 4, a fourth refrigerant tube 5, a liquid accumulator 6, a heat exchanger 7, a cooling fan 8, a compressor 9, a four-way valve 10, an exchange box 11, an outdoor air inlet tube 12, an air exchange tube 13, an indoor air outlet tube 14 and a water supply tube 15, wherein the exchange box 11 is internally provided with the air exchange tube 13, one end of the air exchange tube 13 is communicated with the outdoor air inlet tube 12, the other end of the air exchange tube 13 is communicated with the indoor air outlet tube 14, the refrigerant heat exchange tube 1 is surrounded outside the air exchange tube 13, one end of the refrigerant heat exchange tube 1 is communicated with the first end of the four-way valve 10 through the first refrigerant tube 2, the other end of the refrigerant 1 is communicated with one end of the liquid accumulator 6 through the second refrigerant tube 3, the other end of the liquid accumulator 6 is communicated with one end of the heat exchanger 7 through the third refrigerant tube 4, the other end of the heat exchanger 7 is communicated with the second end of the four-way valve 10 through the third refrigerant tube 4, the third end and the fourth end of the four-way valve 10 are respectively communicated to two ends of the compressor 9, a water supply pipe 15 is installed on the exchange box 11, and the water supply pipe 15 is communicated to the inner cavity of the exchange box 11.
The middle part of the outdoor air inlet pipe 12 is communicated with the spray pipe 16. The spray pipe 16 sprays water mist, so that the water mist is mixed with the inlet air, the temperature of the inlet air is reduced, and the refrigeration speed is increased.
The exchange box 11 includes: the box comprises a box shell and a heat-preservation cotton layer, wherein the heat-preservation cotton layer is arranged in the box shell and surrounds the inner cavity of the exchange box 11. Because the refrigeration effect is realized at the interchange box 11, consequently designed the cotton layer of heat preservation, reduced the heat exchange speed of 11 inner chambers of interchange box and external world, reached 11 inner chambers of interchange box heat retaining effect for the refrigeration effect is better.
Install water temperature sensor 17 and level sensor 18 on the commuting case 11, water temperature sensor 17 is used for detecting 11 intracavity temperatures in the commuting case, and level sensor 18 is used for detecting 11 intracavity water levels in the commuting case, first electron stop valve 19 on delivery pipe 15, and first electron stop valve 19, water temperature sensor 17 and level sensor 18 all are connected to the control box. The monitoring of the water supply in the exchange box 11 is realized, the effect that the water in the exchange box 11 is surrounded on the refrigerant heat exchange tube 1 and the air exchange tube 13 can be met, and the refrigerating effect of the inner cavity of the exchange box 11 is improved.
An outdoor air filter 20 is installed at the inlet of the outdoor air inlet pipe 12. The outdoor air filter 20 prevents foreign substances from being introduced when air is introduced.
An outdoor booster fan 21 is arranged in the middle of the outdoor air inlet pipe 12. The outdoor booster fan 21 ensures the intake air pressure.
An indoor air filter 22 is arranged in the middle of the indoor air outlet pipe 14. The indoor air filter 22 ensures that the supply air for the room is fresh.
An indoor booster fan 23 is arranged at the outlet of the indoor air outlet pipe 14. The indoor booster fan 23 ensures indoor air supply pressure.
A dry filter 24 is installed in the middle of the second refrigerant pipe 3. The dry filter 24 ensures the refrigerator is dry and avoids long term effects of moisture on the refrigerant.
A refrigerant flow process: by compressor 9, with the refrigeration liquid compression for high pressure, lead to heat exchanger 7 through the switching-over of cross valve 10, cooling blower 8 bloies heat exchanger 7, the realization is carried out the heat extraction cooling to refrigerant in the heat exchanger 7, leading-in reservoir 6 after the high-pressure refrigerant cooling, filter through drier-filter 24, lead to the leading-in heat exchange after the leading-in capillary expansion valve of second electronic stop valve step-down on lieing in second refrigerant pipe 3, heat exchanger 7 twines on the copper coil and refrigerates water, refrigerate the refrigerant to between minus 1 degree to minus 10 degrees.
The air flow process comprises the following steps: the outdoor air filters the outside air organic matters and poisonous micro dust matters through the outdoor air filter 20, is absorbed and conveyed by the turbo type outdoor booster fan 21, is sent into the copper coil type air exchange pipe 13 for isolation and rapid refrigeration through the third electronic stop valve positioned on the outdoor air inlet pipe 12, the refrigerated cold air is discharged through the fourth electronic stop valve positioned on the indoor air outlet pipe 14, is filtered through the indoor air filter 22, and is secondarily filtered through the indoor air filter 22 to obtain fresh and clean cold air which is discharged into the room through the indoor booster fan 23.
The spray pipe 16 sprays water mist to be mixed with outdoor air to increase the air humidity and improve the refrigeration speed, a humidifying pipe aligned with the indoor air filter 22 is communicated with the indoor air outlet pipe 14, the humidifying pipe sprays water to the indoor air filter 22 to humidify the indoor air filter 22, so that the cold air is kept to be lost due to friction when passing through the filter, a humidity sensor is arranged on the indoor air outlet pipe 14 and detects the air humidity, a fifth electronic stop valve on the humidifying pipe is controlled to spray water, a water temperature sensor 17 detects the temperature of the inner cavity of the exchange box 11, a water level sensor 18 controls the water level in the exchange box 11 and controls the first electronic stop valve 19 to discharge water, a temperature sensor is arranged at the joint of the indoor air outlet pipe 14 and the air exchange pipe 13 and detects the air temperature in the air exchange pipe 13, a fan of a host compressor 9 is controlled to operate, a heat insulation cotton layer in the exchange box 11 is used for isolating and insulating the outside temperature, the temperature in the preparation exchange box 11 is constant, the air exchange tubes 13 are soaked in ice water for rapid refrigeration, and the refrigeration effect is better when the number of copper coil pipes is larger.
The key points of the branch technology are that an outdoor air filter 20 is made of bamboo fibers, toxic organic matters, tiny dust and dust pollutants existing in outdoor air are filtered to form a coarse filter, water is sprayed out by a spray pipe 16 to form water mist, the water mist is mixed with the filtered air and is humidified by 40%, the humidified air is guided into a copper coil pipe immersed in a refrigeration cavity to be isolated and rapidly refrigerated, the coil pipe type air exchange pipe 13 immersed in ice water is provided with a plurality of coils, the longer the time process that the air flows through the air exchange pipe 13 is, the better the refrigeration effect is, after the indoor air filter 22 carries out secondary filtration, fresh and clean cold air is obtained, a humidity sensor detects the outlet air humidity, when the air humidity value in an indoor air outlet pipe 14 reaches the set humidity, a signal is sent to a control system to control the water mist quantity of a fifth electronic stop valve to spray out, a heat preservation cotton layer is arranged on the periphery in an exchange box 11, the high temperature outside is isolated, the temperature in the inner cavity of the exchange box 11 is kept constant and lasting, and a natural cold tunnel is formed. Compared with the existing cooling system of the IT machine room equipment, such as a beautiful and strong central air conditioner and a water side cooling system (the structure of the cooling system comprises a compressor 9, a cooling tower, a condensing fan, a circulating water pump, a water chilling unit, water treatment and a cooling system), according to the calculation of one unit, the compressor 940KW, the circulating water pump 2 units, each 22KW, two units of 44KW, the cooling tower fan 2.2KW, 4 indoor exhaust fans, each 2.2KW,2.2x4 equal to 8.8KW, 40KW +44KW +8.8KW +2.2+2.2KW equal to 97KW, the total power of all energy consumption equipment in the single cooling unit is 97KW during cooling, all the energy consumption equipment can work simultaneously, 95 degrees of electricity can be consumed in each hour, the operation period is longer, the energy consumption is higher, 24 hours x 97KW equal to 2328 degrees, 2328 degrees of electricity can be consumed during 24 hours of cooling work, and compared with the technology of the invention, the invention has the technical advantages of simple and compact structure, small occupied area and no need of additionally installing a cooling tower, a circulating water pump and water treatment auxiliary equipment. The technology of the invention also adopts a 40kw compressor 9, 2.2kwx4 indoor exhaust fans are 8.8kw, an air inlet suction fan is 5kw, 40kw +8.8kw +5kw +2.2 are 55kw total power, the power consumption per hour is 55kw, after 1 hour of refrigeration operation, when the water in the inner cavity of the exchange box 11 is cooled to 0 ℃ to 10 ℃ below 0 ℃, the compressor 9 and each fan are stopped, the heat preservation cotton heat insulation layer is installed around the inner cavity of the exchange box 11, the water temperature in the inner cavity of the exchange box 11 is kept constant between 0 ℃ and minus 10 ℃, experiments prove that the temperature of the refrigeration cavity is kept below 0 ℃, the main compressor 9 and each fan only work for 4 hours in 24 hours of air refrigeration, then 4 hours x 55kw is 220 ℃, the rest for 20 hours is the work of the outdoor booster fan 21 and the indoor booster fan 23, 5kw +9kw + 14kwx20 hours is 280 ℃, 280+220 is 500 degrees, the total power consumption in 24 hours of refrigerating air is 500 degrees, the power consumption of the existing data center IT equipment cooling system in 24 hours is 2328 degrees, and 2328-500 is 1828 degrees. The air refrigerating system achieves the purposes of economy, practicality, energy conservation and emission reduction, is low in manufacturing cost, has a longer operation period, has better energy conservation and consumption reduction effects, and achieves fresh and clean cold air required by cooling of a data center.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (9)

1. A high energy saving refrigeration system, comprising: a refrigerant heat exchange tube, a first refrigerant tube, a second refrigerant tube, a third refrigerant tube, a fourth refrigerant tube, a liquid accumulator, a heat exchanger, a cooling fan, a compressor, a four-way valve, an exchange box, an outdoor air inlet tube, an air exchange tube, an indoor air outlet tube and a water supply tube, wherein the air exchange tube is arranged in the exchange box, one end of the air exchange tube is communicated with the outdoor air inlet tube, the other end of the air exchange tube is communicated with the indoor air outlet tube, the refrigerant heat exchange tube is surrounded outside the air exchange tube, one end of the refrigerant heat exchange tube is communicated with the first end of the four-way valve through the first refrigerant tube, the other end of the refrigerant heat exchange tube is communicated with one end of the liquid accumulator through the second refrigerant tube, the other end of the liquid accumulator is communicated with one end of the heat exchanger through the third refrigerant tube, the other end of the heat exchanger is communicated with the second end of the four-way valve through the third refrigerant tube, and the fourth end of the four-way valve are respectively communicated with two ends of the compressor, the exchange box is provided with a water supply pipe which is communicated to the inner cavity of the exchange box.
2. The high energy saving refrigerating system of claim 1, wherein the middle part of the outdoor air inlet pipe is communicated to the spraying pipe.
3. A high energy saving refrigeration system according to claim 2 wherein the exchange box comprises: the box comprises a box shell and a heat-preservation cotton layer, wherein the heat-preservation cotton layer is arranged in the box shell and surrounds the inner cavity of the exchange box.
4. The high energy saving type refrigerating system as claimed in claim 3, wherein a water temperature sensor for detecting the temperature of water in the chamber of the exchange box and a water level sensor for detecting the water level in the chamber of the exchange box are installed on the exchange box, and the first electronic stop valve, the water temperature sensor and the water level sensor are connected to the control box on the water supply pipe.
5. A high energy saving refrigerating system as claimed in claim 4, wherein an outdoor air filter is installed at an inlet of the outdoor air inlet duct.
6. A high energy saving refrigerating system as claimed in claim 5, wherein the outdoor booster fan is installed in the middle of the outdoor air inlet pipe.
7. The high energy saving refrigerating system of claim 6, wherein an indoor air filter is installed in the middle of the indoor air outlet pipe.
8. The energy-saving refrigerating system as claimed in claim 7, wherein an indoor booster fan is installed at the outlet of the indoor air outlet pipe.
9. A high energy saving refrigerating system according to claim 8 wherein a dry filter is installed in the middle of the second refrigerant pipe.
CN202220630325.8U 2022-03-22 2022-03-22 High energy-saving refrigerating system Active CN217336263U (en)

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Application Number Priority Date Filing Date Title
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CN217336263U true CN217336263U (en) 2022-08-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113108392A (en) * 2021-05-24 2021-07-13 王启成 Fresh air manufacturing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113108392A (en) * 2021-05-24 2021-07-13 王启成 Fresh air manufacturing system

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