CN106440489A - Double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit - Google Patents
Double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit Download PDFInfo
- Publication number
- CN106440489A CN106440489A CN201611141976.6A CN201611141976A CN106440489A CN 106440489 A CN106440489 A CN 106440489A CN 201611141976 A CN201611141976 A CN 201611141976A CN 106440489 A CN106440489 A CN 106440489A
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- Prior art keywords
- water
- lithium bromide
- cooling
- magnetic suspension
- exchanger tube
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit. The double operating method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit includes the following four steps. Firstly, backwater in cooling tower flows into a heat exchange tube of the first evaporator in the lithium bromide cooled heat pump unit in which cryogen water evaporates at once, which makes cooling water cool down and flow into a heat exchange tube of a condenser in magnetic suspension water chilling unit, which makes the cooling water cool down and flow back to the cooling tower to refrigerate circularly. Secondly, vapor passes into an absorber. Thirdly, hot backwater or feed water flows into the heat exchange tube of the absorber. The vapor releases heat, which enables the hot backwater or the feed water in the heat exchange tube to heat up for the first time to output hot water. Fourthly, a part of the output hot water flows into a generator in the lithium bromide cooled heat pump unit and flows into the heat exchange tube to heat up for the second time to output hot water. The invention also includes a double operating system for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit. The double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit not only improves cooling efficiency but also uses heat produced in cooling process, which achieves goals of cooling and heating at the same time.
Description
Technical field
The present invention relates to air conditioner technical field, particularly a kind of magnetic suspension handpiece Water Chilling Units and lithium bromide source pump pair
Runtime and method.
Background technology
Existing magnetic suspension handpiece Water Chilling Units have that sub-load Energy Efficiency Ratio is high, the generally efficiency in sub-load IPLV
Reach more than 10 than COP, but rated load Energy Efficiency Ratio（COP=6 about）Do not project.In addition, magnetic suspension handpiece Water Chilling Units heat temperature
Degree is relatively low（It is usually no more than 60 DEG C）, and refrigeration and hot water can not be provided simultaneously.
Lithium bromide absorption cooling and warming water machine group can be freezed and heat supply simultaneously, and heat supply temperature is higher, but heating efficiency is relatively low, leads to
Often COP is 0.93 about.
Content of the invention
The purpose of the present invention is to overcome the above-mentioned not enough of prior art and provide a kind of heating efficiency high, high cooling efficiency,
Not only the magnetic suspension handpiece Water Chilling Units that can freeze but also heat simultaneously double runtimes and method with lithium bromide source pump.
The technical scheme is that：
A kind of magnetic levitation cold water dispenser group of the present invention double operation methods with lithium bromide source pump, comprise the following steps：
1）Cooling tower backwater enters in the heat exchanger tube of the first vaporizer of lithium cold source pump, lithium cold source pump
Cold
Agent water evaporates suddenly, makes the cooling water temperature in heat exchanger tube in the first vaporizer, and the cooling water of cooling enters magnetic levitation cold
In the condenser heat-exchange pipes of water dispenser group, the refrigerant vapour heat release in condenser is liquefied, and so that cooling water is heated up, returns cooling again
Tower, such circularly cooling；
2）Suddenly evaporate after the water as refrigerant heat absorption of lithium cold source pump, be changed into vapor, vapor enters absorber；
3）Hot water backwater or moisturizing enter in the heat exchanger tube of absorber, and the vapor heat release in absorber makes absorber heat exchanging pipe
Interior hot water backwater or moisturizing carry out one-level intensification, export hot water；
4）Step 3）Described in export hot water all or part of hot water enter lithium bromide source pump generator in, go forward side by side
Enter to carry out two grades of intensifications in heat exchanger tube, export hot water.
Further, also include：The air conditioner cold water backwater producing in magnetic suspension handpiece Water Chilling Units enters the heat exchange of the second vaporizer
Guan Zhong, the water as refrigerant in the second vaporizer evaporates suddenly, so that the air conditioner cold water backwater in heat exchanger tube is lowered the temperature, and provides to air conditioner user
Air conditioner cold water.
Further, described cooling tower backwater enters after the heat exchanger tube of the first vaporizer 2 ~ 10 DEG C of temperature drop.
Further, the heat exchanger tube temperature after described hot water backwater or moisturizing enter absorber rises 5 ~ 35 DEG C.
Further, described lithium bromide absorption type heat pump unit is independent lithium bromide absorption type heat pump unit equipment, or
It is that lithium bromide absorption type heat pump unit is switched to by lithium bromide absorption cooling and warming water machine group.
A kind of magnetic levitation cold water dispenser group of the present invention double runtimes with lithium bromide source pump, including magnetic levitation cold water dispenser
Group and lithium bromide source pump, described lithium bromide source pump includes the first vaporizer, absorber and generator, magnetic suspension cold water
Unit includes condenser；Input cooling tower backwater, the outlet of heat exchanger tube in the first vaporizer in the heat exchanger tube of the first vaporizer
Connect the water inlet of the heat exchanger tube in condenser, the outlet output cooling water of the heat exchanger tube in condenser returns cooling tower again and follows
Ring utilizes；The gas outlet of the first vaporizer connects the air intake of absorber；Input hot water backwater or benefit in the heat exchanger tube of absorber
Water；The outlet of absorber connects the water inlet of generator heat exchanger tube.
Further, described magnetic suspension handpiece Water Chilling Units also include the second vaporizer, and the heat exchanger tube of described second vaporizer enters water
Mouth is passed through air conditioner cold water backwater, and heat exchanger tube outlet is used for providing air conditioner cold water to air conditioner user.
Further, described lithium bromide absorption type heat pump unit is independent lithium bromide absorption type heat pump unit equipment, or
It is that lithium bromide absorption type heat pump unit is switched to by lithium bromide absorption cooling and warming water machine group.
Beneficial effects of the present invention：
（1）By cooling tower backwater is first passed through lithium bromide absorption type heat pump unit or lithium bromide absorption cooling and warming water machine group fall
Temperature, is re-used as the cooling water of magnetic suspension handpiece Water Chilling Units, compare by cooling tower backwater directly as magnetic suspension handpiece Water Chilling Units cooling
For water, greatly reduce cooling drag, improve refrigerating efficiency, the present invention can be by the refrigeration efficiency ratio of magnetic suspension handpiece Water Chilling Units
Improve 30 ~ 60%；
（2）By the absorber of lithium bromide absorption type heat pump unit or lithium bromide absorption cooling and warming water machine group is gone to absorb the first steaming
Send out for providing heat produced by cooling water for magnetic suspension handpiece Water Chilling Units in device, that is, with existing lithium bromide absorption type heat pump machine
Group or lithium bromide absorption cooling and warming water machine group are compared, and the first vaporizer is equivalent to absorb a heat more, compares existing bromination
For the heating efficiency of lithium-absorbing formula source pump or lithium bromide absorption cooling and warming water machine group, the present invention can improve 80%；
（3）By absorber and generator, hot water backwater or moisturizing can be heated to high temperature and high-temperature-hot-water, in providing
The energy saver mode of the purposes hot water such as high temperature or high temperature health, greatly improves the convenience of use, and heat utilization rate is high；
（4）The refrigerating capacity of the present invention and heating capacity are adjustable on a large scale, refrigeration and supplying hot water effect is significant；
（5）The water temperature returning cooling tower is lower than prior art, can greatly save the electricity consumption of cooling tower and use water；
（6）The present invention, by being used in combination magnetic suspension handpiece Water Chilling Units and lithium bromide source pump, both reduced cooling drag, carried
High refrigerating efficiency, make use of the heat in cooling procedure again, reaches the purpose that not only can freeze but also heat simultaneously, and heating efficiency is high,
Solve existing magnetic suspension handpiece Water Chilling Units and the defect of lithium bromide source pump independent operating, and energy-saving effect is notable.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention.
Specific embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As shown in Figure 1：A kind of magnetic suspension handpiece Water Chilling Units double runtimes with lithium bromide source pump, including magnetic suspension cold water
Unit and lithium bromide absorption type heat pump unit, lithium bromide absorption type heat pump unit includes the first vaporizer and absorber, magnetic suspension
Handpiece Water Chilling Units include the second vaporizer and condenser；Input cooling tower backwater, the first vaporizer in the heat exchanger tube of the first vaporizer
Heat exchanger tube outlet connect condenser in heat exchanger tube water inlet, in condenser heat exchanger tube outlet output cooling water again
Return cooling tower to recycle.The gas outlet of the first vaporizer connects the air intake of absorber.Input heat in the heat exchanger tube of absorber
Water backwater or moisturizing.The outlet of absorber connects the water inlet of generator heat exchanger tube.
The heat exchanger tube water inlet of the second vaporizer is passed through air conditioner cold water backwater, and heat exchanger tube outlet is used for carrying to air conditioner user
For air conditioner cold water.
Below the operation principle of the present embodiment is illustrated：
The air conditioner cold water backwater of 12 DEG C producing in magnetic suspension handpiece Water Chilling Units enters in the heat exchanger tube of the second vaporizer, the second evaporation
Water as refrigerant in device evaporates suddenly, makes 12 DEG C in heat exchanger tube of air conditioner cold water backwater be cooled to 7 DEG C, provides air-conditioning to air conditioner user
Cold water.
30 DEG C of cooling tower backwater enters in the heat exchanger tube of the first vaporizer, and the water as refrigerant of lithium cold source pump is suddenly
Evaporation, is sprayed onto on the heat exchanger tube in the first vaporizer, makes cooling water temperature in heat exchanger tube in the first vaporizer to 22 ~ 28
℃；The cooling water of cooling enters in the heat exchanger tube in the condenser of magnetic suspension handpiece Water Chilling Units, and the refrigerant vapour in condenser is put
Hydrothermal solution, makes cooling water be warming up to less than or equal to 35 DEG C, again as cooling tower backwater, such circularly cooling.The present embodiment
Lithium bromide absorption type heat pump unit is first passed through by 30 DEG C of cooling water and is cooled to 22 ~ 28 DEG C, be re-used as magnetic suspension handpiece Water Chilling Units
Cooling water, compare for the cooling water directly as magnetic suspension handpiece Water Chilling Units for 30 DEG C of the cooling water, greatly reduce cooling
Resistance, improves refrigerating efficiency, this is because cooling water temperature is higher, equipment energy consumption is more it is easy to cooling is not got off, if will
30 DEG C of cooling water is first cooled to 22 ~ 28 DEG C through lithium bromide absorption type heat pump unit, so that the temperature difference is reduced, will greatly improve refrigeration
Efficiency.In prior art, rated load Energy Efficiency Ratio COP of magnetic suspension handpiece Water Chilling Units is 6 about, and the present embodiment can lift it
Refrigeration efficiency ratio, makes COP reach 8 ~ 10 about, improves 30 ~ 60% compared to existing technology.Further, since the water temperature returning cooling tower is little
In or be equal to 35 DEG C, lower than prior art temperature, the electricity consumption of cooling tower can be greatlyd save and use water.
Meanwhile, 30 DEG C of cooling tower backwater enters in the heat exchanger tube of the first vaporizer, the cryogen of lithium cold source pump
Suddenly evaporate after water heat absorption, be changed into vapor, vapor enters absorber.45 DEG C of hot water backwater in boiler room or moisturizing are entered
Enter in the heat exchanger tube of absorber, the vapor heat release in absorber, make the hot water backwater in heat exchanger tube or moisturizing be warming up to 50 ~ 80
DEG C, for providing hot water for users to use, such as sanitary water or hotel's water have.The present embodiment passes through suction-type lithium bromide
The absorber of source pump goes to absorb for providing heat produced by cooling water for magnetic suspension handpiece Water Chilling Units in the first vaporizer,
I.e. compared with existing lithium bromide absorption type heat pump unit, the first vaporizer is equivalent to absorb a heat more, compares existing bromine
For 0.93 about, the COP value of the present embodiment reaches 1.7 left sides to rated load Energy Efficiency Ratio COP changing lithium-absorbing formula source pump
The right side, improves about 80%.
Then, for users to use, another part enters the heat exchange of generator to the above-mentioned hot water part being warming up to 50 ~ 80 DEG C
In pipe, heated by the thermal source in generator, become high-temperature-hot-water, such as 80 ~ 95 DEG C, for providing the purposes hot water such as high temperature health
Energy saver mode.
The lithium bromide absorption type heat pump unit of the present embodiment can be independent lithium bromide absorption type heat pump unit equipment,
Lithium bromide absorption type heat pump unit can be switched to by lithium bromide absorption cooling and warming water machine group.The suction-type lithium bromide of the present embodiment
Source pump is preferably condensation heat recovery lithium bromide absorption type heat pump unit, such as using the condensation heat in CN 104833132A
Reclaim unit.
In the present embodiment, if only needing to the hot water of below 80 DEG C of temperature, condensing units pattern can be closed, do not make
Use generator；If necessary to more than 80 DEG C of hot water of temperature, open condensing units pattern, using flexible, greatly improve
Convenience.
It can be said that the present embodiment is by being used in combination magnetic suspension handpiece Water Chilling Units and lithium bromide absorption type heat pump unit, both
Reduce cooling drag, improve refrigerating efficiency, make use of the heat in cooling procedure again, reach and not only can freeze but also heat simultaneously
Purpose, heating efficiency is high, and can select the hot water of different temperatures scope as needed, thoroughly solves existing magnetic levitation cold water dispenser
Group and the defect of lithium bromide absorption type heat pump unit independent operating.
It is understood that above-mentioned temperature data is only a kind of illustration of the present embodiment, the present invention does not limit
Specific temperature value.
Claims (8)
1. magnetic suspension handpiece Water Chilling Units and lithium bromide source pump pair operation methods are it is characterised in that comprise the following steps：
1）Cooling tower backwater enters in the heat exchanger tube of the first vaporizer of lithium cold source pump, lithium cold source pump
Cold
Agent water evaporates suddenly, makes the cooling water temperature in heat exchanger tube in the first vaporizer, and the cooling water of cooling enters magnetic levitation cold
In the condenser heat-exchange pipes of water dispenser group, the refrigerant vapour heat release in condenser is liquefied, and so that cooling water is heated up, returns cooling again
Tower, such circularly cooling；
2）Suddenly evaporate after the water as refrigerant heat absorption of lithium cold source pump, be changed into vapor, vapor enters absorber；
3）Hot water backwater or moisturizing enter in the heat exchanger tube of absorber, and the vapor heat release in absorber makes absorber heat exchanging pipe
Interior hot water backwater or moisturizing carry out one-level intensification, export hot water；
4）Step 3）All or part of hot water of middle output hot water enters in the generator of lithium bromide source pump, and enters and change
Carry out two grades of intensifications in heat pipe, export hot water.
2. the double operation methods of magnetic suspension handpiece Water Chilling Units according to claim 1 and lithium bromide source pump it is characterised in that
Also include：The air conditioner cold water backwater producing in magnetic suspension handpiece Water Chilling Units enters in the heat exchanger tube of the second vaporizer, the second vaporizer
Interior water as refrigerant evaporates suddenly, so that the air conditioner cold water backwater in heat exchanger tube is lowered the temperature, and provides air conditioner cold water to air conditioner user.
3. magnetic suspension handpiece Water Chilling Units according to claim 1 and 2 and lithium bromide source pump pair operation methods, its feature exists
2 ~ 10 DEG C of temperature drop after, described cooling tower backwater enters the heat exchanger tube of the first vaporizer.
4. magnetic suspension handpiece Water Chilling Units according to claim 1 and 2 and lithium bromide source pump pair operation methods, its feature exists
In the heat exchanger tube temperature after described hot water backwater or moisturizing entrance absorber rises 5 ~ 35 DEG C.
5. magnetic suspension handpiece Water Chilling Units according to claim 1 and 2 and lithium bromide source pump pair operation methods, its feature exists
In described lithium bromide absorption type heat pump unit is independent lithium bromide absorption type heat pump unit equipment, or passes through lithium bromide
Absorption cooling and warming water machine group switches to lithium bromide absorption type heat pump unit.
6. a kind of magnetic suspension handpiece Water Chilling Units and the double runtimes of lithium bromide source pump are it is characterised in that include magnetic suspension cold water
Unit and lithium bromide source pump, described lithium bromide source pump includes the first vaporizer, absorber and generator, magnetic levitation cold
Water dispenser group includes condenser；Input cooling tower backwater, the water outlet of heat exchanger tube in the first vaporizer in the heat exchanger tube of the first vaporizer
The water inlet of the heat exchanger tube in mouth connection condenser, the outlet output cooling water of the heat exchanger tube in condenser returns cooling tower again
Recycle；The gas outlet of the first vaporizer connects the air intake of absorber；In the heat exchanger tube of absorber input hot water backwater or
Moisturizing；The outlet of absorber connects the water inlet of generator heat exchanger tube.
7. the double runtimes of magnetic suspension handpiece Water Chilling Units according to claim 6 and lithium bromide source pump it is characterised in that
Described magnetic suspension handpiece Water Chilling Units also include the second vaporizer, and the heat exchanger tube water inlet of described second vaporizer is passed through air conditioner cold water and returns
Water, heat exchanger tube outlet is used for providing air conditioner cold water to air conditioner user.
8. the magnetic suspension handpiece Water Chilling Units according to claim 6 or 7 and lithium bromide source pump pair runtimes, its feature exists
In described lithium bromide absorption type heat pump unit is independent lithium bromide absorption type heat pump unit equipment, or passes through lithium bromide
Absorption cooling and warming water machine group switches to lithium bromide absorption type heat pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141976.6A CN106440489A (en) | 2016-12-12 | 2016-12-12 | Double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141976.6A CN106440489A (en) | 2016-12-12 | 2016-12-12 | Double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit |
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| Publication Number | Publication Date |
|---|---|
| CN106440489A true CN106440489A (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611141976.6A Pending CN106440489A (en) | 2016-12-12 | 2016-12-12 | Double operating system and method for magnetic suspension water chilling unit and lithium bromide cooled heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534208A (en) * | 2018-05-15 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | A kind of big temperature difference heat-exchange system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018757A (en) * | 1998-07-07 | 2000-01-18 | Tokyo Gas Co Ltd | Cooler |
| CN1410732A (en) * | 2002-07-15 | 2003-04-16 | 西安交通大学 | Electromagnetic suspending air expanding absorption type refrigeration method and its refrigerating air conditioner set |
| CN101988482A (en) * | 2009-08-07 | 2011-03-23 | 林茂森 | Closed cycle method |
| CN104896735A (en) * | 2015-06-08 | 2015-09-09 | 张跃 | Smoke waste heat utilization self-boosting heat pump system and method of direct-fired machine |
| CN106091209A (en) * | 2016-08-18 | 2016-11-09 | 黄国和 | A kind of electromagnetic levitation type steam energy heat pump type air conditioning system |
| CN206563448U (en) * | 2016-12-12 | 2017-10-17 | 远大空调有限公司 | Magnetic suspension handpiece Water Chilling Units and the double runtimes of lithium bromide source pump |
-
2016
- 2016-12-12 CN CN201611141976.6A patent/CN106440489A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018757A (en) * | 1998-07-07 | 2000-01-18 | Tokyo Gas Co Ltd | Cooler |
| CN1410732A (en) * | 2002-07-15 | 2003-04-16 | 西安交通大学 | Electromagnetic suspending air expanding absorption type refrigeration method and its refrigerating air conditioner set |
| CN101988482A (en) * | 2009-08-07 | 2011-03-23 | 林茂森 | Closed cycle method |
| CN104896735A (en) * | 2015-06-08 | 2015-09-09 | 张跃 | Smoke waste heat utilization self-boosting heat pump system and method of direct-fired machine |
| CN106091209A (en) * | 2016-08-18 | 2016-11-09 | 黄国和 | A kind of electromagnetic levitation type steam energy heat pump type air conditioning system |
| CN206563448U (en) * | 2016-12-12 | 2017-10-17 | 远大空调有限公司 | Magnetic suspension handpiece Water Chilling Units and the double runtimes of lithium bromide source pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534208A (en) * | 2018-05-15 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | A kind of big temperature difference heat-exchange system |
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Application publication date: 20170222 |