CN109370529B - Refrigerant suitable for air source heat pump water heater - Google Patents
Refrigerant suitable for air source heat pump water heater Download PDFInfo
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- CN109370529B CN109370529B CN201811206419.7A CN201811206419A CN109370529B CN 109370529 B CN109370529 B CN 109370529B CN 201811206419 A CN201811206419 A CN 201811206419A CN 109370529 B CN109370529 B CN 109370529B
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- refrigerant
- water heater
- heat pump
- pump water
- source heat
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/122—Halogenated hydrocarbons
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a refrigerant suitable for an air source heat pump water heater, which comprises refrigerants R134a, R417a and R407, and the refrigerant passes the quality supervision and inspection of national environmental protection products, wherein the ozone potential value ODP (less than 0.11 and the international standard ODP less than or equal to 0.11) of the products is 99.99 percent of purity, 0.001 percent of moisture, 0.0012 percent of evaporation residues, acidity: the product has the advantages of no detection, colorless and transparent appearance, no peculiar smell, low system pressure during machine operation, low operation power consumption, high heating capacity, and capability of reaching the energy efficiency of more than COP 5.1; the refrigerant belongs to a high-temperature low-pressure environment-friendly refrigerant, and particularly, the cesium oxide is added as a catalyst, so that the heating energy efficiency ratio of the refrigerant can be remarkably improved.
Description
Technical Field
The invention relates to the field, in particular to a refrigerant suitable for an air source heat pump water heater.
Background
With the continuous improvement of the living standard of people, the water heater also becomes an essential product in the life of people. According to the display of the research institute of economic market in the development and research center of the sleepy department ((2004-2006 Chinese urban water heater market research consultation report), in the five years to come, the market capacity can reach 500 million yuan per year, the heat pump water heater is taken as the fourth generation water heater, the air source heat pump water heater is favored by the advantages of good safety, energy conservation, environmental friendliness and the like, the operating characteristics of the air source heat pump water heater depend on the characteristics of the refrigerant to a certain extent, therefore, the selection of proper refrigerant is quite important for improving the performance of the air source heat pump water heater, but most of the heat pump water heaters still adopt the traditional working medium R22, and the Montreal protocol for ozone depletion substances stipulates: for R22 refrigerant, developed countries are all eliminated before 2020, developing countries are all forbidden to use until 2030, and the Chinese government has approved the scheme of gradually eliminating the substances in the ozone layer in China in 1993, so that the search for R22 substitutes is urgent.
In order to improve the environmental protection performance of the refrigerant and further improve the heating energy efficiency ratio of the refrigerant, the invention provides the refrigerant suitable for the air source heat pump water heater.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a refrigerant suitable for an air source heat pump water heater.
The technical scheme of the invention is as follows:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises refrigerants R134a, R417a and R407.
Preferably, the refrigerant suitable for the air source heat pump water heater comprises the following components in percentage by weight: 15-25% of R134a 15, 20-30% of R417a 20, 1-2% of cesium oxide and 1-60% of R40750.
Preferably, the refrigerant suitable for the air source heat pump water heater comprises the following components in percentage by weight: 18-22% of R134a 18, 22-28% of R417a 22, 1-2% of cesium oxide and 58-58% of R40752.
Further preferably, the refrigerant suitable for the air source heat pump water heater comprises the following components in percentage by weight: r134a 20%, R417a 25%, cesium oxide 1.5% and R40753.5%.
R134a (1, 1, 1, 2-tetrafluoroethane) is a widely used medium-low temperature environment-friendly refrigerant, has good comprehensive performance, becomes a very effective and safe substitute of R12 (dichlorodifluoromethane), and can be applied to most fields using R12 refrigerant.
The R417a mixed refrigerant is a mixture of R134a refrigerant, R125 refrigerant and R600 refrigerant, and is colorless gas at normal temperature and colorless transparent liquid under its own pressure.
The R407 series mixed refrigerant is a ternary mixture of HFC-32, HFC-125 and HFC-134a, in which the R407A, R407B, R407C, R407D and R407E are more extensive in commercial application.
The invention has the advantages that: the mixed refrigerant of the invention passes the quality supervision and inspection of national environmental protection products, the ozone potential value ODP (less than 0.11, and the ODP of international standard is less than or equal to 0.11) consumed by the product, the purity is 99.99%, the moisture is 0.001%, the evaporation residue is 0.0012%, the acidity is: the product has the advantages of no detection, colorless and transparent appearance, no peculiar smell, low system pressure during machine operation, low operation power consumption, high heating capacity, and capability of reaching the energy efficiency of more than COP 5.1; the refrigerant belongs to a high-temperature low-pressure environment-friendly refrigerant, and particularly, the cesium oxide is added as a catalyst, so that the heating energy efficiency ratio of the refrigerant can be remarkably improved.
Detailed Description
Example 1:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 20%, R417a 25%, cesium oxide 1.5% and R40753.5%.
Example 2:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 22%, R417a 26%, cesium oxide 2% and R40750%.
Example 3:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 18%, R417a 25%, cesium oxide 1% and R40756%.
Example 4:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 25%, R417a 13.2.2%, cesium oxide 1.8% and R40760%.
Example 5:
a refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 15%, R417a 30%, cesium oxide 1.2% and R40753.8%.
Comparative example 1
A refrigerant suitable for an air source heat pump water heater, DM150 for short, comprises the following components in percentage by weight: r134a 20%, R417a 25% and R40755%.
Comparative example 1 compared to example 1, cesium oxide was removed.
The following comparative tests were conducted on samples of example 1 of the present invention and R22 applied to an air source heat pump water heater to obtain the following test results:
and (3) testing conditions are as follows:
1. the working high pressure of the hot water compressor producing 65 ℃ in summer or winter is not higher than 22Kg, and the highest pressure protection of the system is set to be 26Kg when the unit works.
2. The optimal filling amounts of R22 and DM150 in the existing air source heat pump water heater are experimentally researched, and the optimal filling amounts of R22 and DM150 in the experimental unit are analyzed and determined to be 1.7kg by testing parameters such as COP, compressor power, condensing pressure and the like;
and (3) testing results:
the method is characterized in that the method comprises the steps of testing the change of parameters such as COP, power, system operation time, superheat degree, condensing pressure, evaporating pressure, compressor exhaust temperature and the like when the optimal charging amounts (both 1.7kg) of DM150 and R22 are adopted in the air source heat pump water heater system at different environmental temperatures. It was concluded that DM150 has a higher COP than R22 in an air-source heat pump water heater; the exhaust temperature is lower than that of R22, and the system is safer; the condensing pressure and the evaporating pressure are lower than R22, which indicates that the system is safer when using DM150, and can obtain hot water with higher temperature under the same condensing pressure; and is more environment-friendly and more suitable for being used in an air source heat pump water heater than R22.
On the other hand, comparing example 1 with comparative example 1, it was found that the COP of the sample of example 1 was 18.7% higher than that of the sample of comparative example 1, and therefore, the heating energy efficiency ratio of the refrigerant could be remarkably improved by adding cesium oxide as a catalyst.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The refrigerant suitable for the air source heat pump water heater is characterized by comprising the following components in percentage by weight: 15-25% of R134a 15, 20-30% of R417a 20, 1-2% of cesium oxide and 1-60% of R40750.
2. The refrigerant suitable for the air source heat pump water heater as recited in claim 1, which is composed of the following components by weight percentage: 18-22% of R134a 18, 22-28% of R417a 22, 1-2% of cesium oxide and 58-58% of R40752.
3. The refrigerant suitable for the air source heat pump water heater as recited in claim 1, which is composed of the following components by weight percentage: r134a 20%, R417a 25%, cesium oxide 1.5% and R40753.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206419.7A CN109370529B (en) | 2018-10-17 | 2018-10-17 | Refrigerant suitable for air source heat pump water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811206419.7A CN109370529B (en) | 2018-10-17 | 2018-10-17 | Refrigerant suitable for air source heat pump water heater |
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| CN109370529A CN109370529A (en) | 2019-02-22 |
| CN109370529B true CN109370529B (en) | 2021-03-02 |
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| CN201811206419.7A Active CN109370529B (en) | 2018-10-17 | 2018-10-17 | Refrigerant suitable for air source heat pump water heater |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110257013A (en) * | 2019-07-16 | 2019-09-20 | 杭州艾尔柯制冷剂科技有限公司 | A kind of air source water heater energy-saving refrigerant |
Citations (7)
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| CN1675332A (en) * | 2002-08-08 | 2005-09-28 | 纳幕尔杜邦公司 | Refrigerant compositions comprising performance enhancing additives |
| CN101346450A (en) * | 2005-11-01 | 2009-01-14 | 纳幕尔杜邦公司 | Compositions comprising fluoroolefins and uses thereof |
| CN101754941A (en) * | 2007-07-25 | 2010-06-23 | 霍尼韦尔国际公司 | Processes for preparing 1,1,2,3-tetrachloropropene |
| CN103418367A (en) * | 2013-07-12 | 2013-12-04 | 西安近代化学研究所 | Catalyst used for preparing fluorinated alkene with chloro-fluoro alkane and preparation method thereof |
| CN103917621A (en) * | 2011-08-26 | 2014-07-09 | 纳幕尔杜邦公司 | Compositions comprising tetrafluoropropene and methods of use thereof |
| CN204830471U (en) * | 2015-07-17 | 2015-12-02 | 浙江豪瓦特节能科技有限公司 | Air -source heat pump water heater |
| WO2017044438A1 (en) * | 2015-09-07 | 2017-03-16 | George Stantchev | Extraction apparatus and method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060266976A1 (en) * | 2005-05-27 | 2006-11-30 | Minor Barbara H | Compositions comprising bromofluoro-olefins and uses thereof |
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2018
- 2018-10-17 CN CN201811206419.7A patent/CN109370529B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675332A (en) * | 2002-08-08 | 2005-09-28 | 纳幕尔杜邦公司 | Refrigerant compositions comprising performance enhancing additives |
| CN101346450A (en) * | 2005-11-01 | 2009-01-14 | 纳幕尔杜邦公司 | Compositions comprising fluoroolefins and uses thereof |
| CN101754941A (en) * | 2007-07-25 | 2010-06-23 | 霍尼韦尔国际公司 | Processes for preparing 1,1,2,3-tetrachloropropene |
| CN103917621A (en) * | 2011-08-26 | 2014-07-09 | 纳幕尔杜邦公司 | Compositions comprising tetrafluoropropene and methods of use thereof |
| CN103418367A (en) * | 2013-07-12 | 2013-12-04 | 西安近代化学研究所 | Catalyst used for preparing fluorinated alkene with chloro-fluoro alkane and preparation method thereof |
| CN204830471U (en) * | 2015-07-17 | 2015-12-02 | 浙江豪瓦特节能科技有限公司 | Air -source heat pump water heater |
| WO2017044438A1 (en) * | 2015-09-07 | 2017-03-16 | George Stantchev | Extraction apparatus and method thereof |
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Denomination of invention: A refrigerant suitable for air source heat pump water heater Effective date of registration: 20211012 Granted publication date: 20210302 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Wucheng sub branch Pledgor: ZHEJIANG HAOWATE ENERGY SAVING TECHNOLOGY Co.,Ltd. Registration number: Y2021330001874 |