CN203704109U - Absorption type heat exchange unit - Google Patents
Absorption type heat exchange unit Download PDFInfo
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- CN203704109U CN203704109U CN201420090920.2U CN201420090920U CN203704109U CN 203704109 U CN203704109 U CN 203704109U CN 201420090920 U CN201420090920 U CN 201420090920U CN 203704109 U CN203704109 U CN 203704109U
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- water
- pipeline
- exchange unit
- heat exchange
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims description 52
- 239000006096 absorbing agent Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 235000019628 coolness Nutrition 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940059936 lithium bromide Drugs 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an absorption type heat exchange unit. The absorption type heat exchange unit comprises a hot water type absorption type heat pump unit, a water-water heat exchanger, a primary side pipeline and a secondary side pipeline, and the primary side pipeline passes through a generator of the heat pump unit and the water-water heat exchanger in turn from water supply to water return; the heat exchange unit further comprises a heat supply networker heater, and the primary side pipeline passes through the heat supply network heater before entering the generator. Compared with the prior art, the primary side pipeline is heated by the heat supply network heater before entering the heat exchange pump unit, the heat complementation is achieved, the water supply temperature of the primary side pipeline is further improved, and accordingly the difference between the water supply temperature and the water return temperature of the primary side hot water is increased, and the initial investment and the running cost of the absorption type heat exchange unit are reduced.
Description
Technical field
The utility model relates to heating equipment technical field, relates in particular to a kind of absorption heat exchange unit.
Background technology
Along with concentrated supply of heating in the city scale increases year by year, the high-temperature-hot-water that central heat source produces need to could arrive for thermal region through the conveying of longer distance, in the situation that heating load is identical, the temperature difference increasing between water supply, backwater can reduce water supply flow, thereby reduce the preliminary investment of pipeline, meanwhile, can also reduce the power consumption of water pump, therefore can reduce for thermal energy consumption and heat cost.
Please refer to Fig. 1, Fig. 1 is the structural representation of the disclosed a kind of absorption heat exchange unit of patent CN203177524; Briefly introduce the operation principle of heat exchange unit and the technological deficiency of existence thereof in meeting below.
As shown in Figure 1, the heat release thermal source of this heat-exchange system by pipeline connect enter first paragraph generator 3 ' and second segment generator 4 ', complete second segment generator 4 ' in temperature-fall period after enter heat exchanger 7 ' heating heat-obtaining hot water after cooling again, discharge by heat release thermal source outlet.
Part heat-obtaining thermal source by pipeline connect enter second segment evaporimeter 10 ' and first paragraph evaporimeter 15 ' in, heat up enter heat exchanger 7 ' cooling heat release thermal source after two sections of coolings complete after, become a road heat-obtaining hot water and supply water.All the other heat-obtaining thermals source by pipeline parallel connection enter first paragraph absorber 16 ' and second segment absorber 9 ', by first paragraph absorber 16 ' rear series connection enter first paragraph condenser 2 ', by second segment absorber 9 ' rear series connection enter second segment condenser 5 ', go out first paragraph condenser 2 ' and second segment condenser 5 ' after converging by pipeline, becoming another road heat-obtaining hot water supplies water, go out heat exchanger 7 ' heat-obtaining hot water with go out first paragraph condenser 2 ' and second segment condenser 5 ' heat-obtaining hot water, two road heat-obtaining hot water are separately or after converging, be transported to thermal field institute 8 ' use.
The temperature difference between water supply, the backwater of above-mentioned heat-exchange system is less, when the supply water temperature of heat-obtaining hot water or flow are when lower, cannot guarantee with thermal field 8 ' supply water temperature.
In view of this, urgently for above-mentioned technical problem, existing absorption heat exchange unit is optimized to design, further improves the temperature difference between water supply, backwater, guarantee the stability of primary side hot water, reduce for thermal energy consumption and heat cost.
Utility model content
The purpose of this utility model is for providing a kind of absorption heat exchange unit, this heat exchange unit first passed through heat exchangers for district heating before primary side pipeline enters source pump, realize the function of concurrent heating, the further supply water temperature of rising primary side hot water, thereby increase water supply, the backwater temperature difference of primary side hot water, reduce initial cost and operating cost.
For solving the problems of the technologies described above, the utility model provides a kind of absorption heat exchange unit, comprise hot water type absorption heat pump unit, water-water heat exchanger and primary side pipeline, secondary side pipeline, described primary side pipeline passes through the generator of described source pump, described water-water heat exchanger from supplying water successively to backwater; Described heat exchange unit also comprises heat exchangers for district heating, and described primary side pipeline first passes through described heat exchangers for district heating before entering described generator.
Adopt this structure, in the course of work, the hot water of primary side pipeline is first heated in heat exchangers for district heating, then enter the generator of source pump as driving heat source, the concentrated lithium-bromide solution of heating, after cooling, the generator of outflow source pump, then enters the high temperature side of water-water heat exchanger as heat source, heating enters the hot water backwater of the low temperature side of water-water heat exchanger, further after cooling, flows out water-water heat exchanger.
Compared with prior art, heat exchangers for district heating heated it before primary side pipeline enters heat exchange pump group, realized the function of concurrent heating, the supply water temperature of primary side pipeline that further raises, thus increase water supply, the backwater temperature difference of primary side hot water.And, heat exchangers for district heating utilizes drawing gas of steam turbine or the steam of drawing from boiler carrys out the recirculated water heating pipe line, be that heat medium is water, low price, and be not easy to cause corrosion, the temperature of required heating is lower, and efficiency is higher, and then can reduce initial cost and the operating cost of absorption heat exchange unit.
Preferably, described heat exchangers for district heating is the heater of controlling separately.
Preferably, described heat exchangers for district heating is direct combustion type heater.
Preferably, described heat exchangers for district heating is steam type heater.
Preferably, described heat exchangers for district heating is water-water heater.
Preferably, described heat exchangers for district heating is electric heater.
Preferably, described secondary side pipeline comprises the first pipeline, the second pipeline, described the first pipeline is through absorber, the condenser of described source pump, and described the second pipeline passes through the evaporimeter of described source pump, described water-water heat exchanger from supplying water successively to backwater.
Preferably, the feed pipe of described secondary side pipeline branches into the first branch road, the second branch road, described the first branch road is through absorber, the condenser of described source pump, described the second branch road passes through the evaporimeter of described source pump, described water-water heat exchanger from supplying water successively to backwater, and after described the first branch road, described the second branch road cooling, merges into the return pipe of described secondary side pipeline.
Preferably, the number of described water-water heat exchanger is two;
Described primary side pipeline first passes through the generator of described source pump from supplying water to backwater, more in parallel through two described water-water heat exchangers;
Described secondary side pipeline comprises the 3rd pipeline, the 4th pipeline, the feed pipe of described the 3rd pipeline branches into the 3rd branch road, the 4th branch road, described the 3rd branch road is through absorber, the condenser of described source pump, described the 4th branch road passes through the evaporimeter of described source pump, described water-water heat exchanger from supplying water successively to backwater, and after described the 3rd branch road, described the 4th branch road cooling, merges into the return pipe of described the 3rd pipeline; Described the 4th pipeline is through another water-water heat exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of absorption heat exchange unit in prior art;
Fig. 2 provides the structural representation of the first specific embodiment of absorption heat exchange unit for the utility model;
Fig. 3 provides the structural representation of the second specific embodiment of absorption heat exchange unit for the utility model;
Fig. 4 provides the structural representation of the third specific embodiment of absorption heat exchange unit for the utility model.
Wherein, the corresponding relation between Reference numeral and the component names in Fig. 1 is:
First paragraph condenser 2 '; First paragraph generator 3 '; Second segment generator 4 '; Second segment condenser 5 '; First paragraph evaporimeter 15 '; Second segment evaporimeter 10 '; First paragraph absorber 16 '; Second segment absorber 9 '; Heat exchanger 7 '; With thermal field institute 8 ';
Corresponding relation between Reference numeral and component names in Fig. 2 to Fig. 4 is:
Source pump 1; Water-water heat exchanger 2; Primary side pipeline 3;
Secondary side pipeline 4; The first pipeline 41; The second pipeline 42; The first branch road 43; The second branch road 44; The 3rd pipeline 45; The 3rd branch road 451; The 4th branch road 452; The 4th pipeline 46; Heat exchangers for district heating 5.
The specific embodiment
Core of the present utility model is for providing a kind of absorption heat exchange unit, the primary side pipeline of this heat exchange unit first passed through heat exchangers for district heating before entering source pump, there is good concurrent heating function, the supply water temperature of rising primary side hot water, thereby increase water supply, the backwater temperature difference of primary side hot water, reduce the operating cost of absorption heat exchange unit.
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 2, Fig. 2 provides the structural representation of the first specific embodiment of absorption heat exchange unit for the utility model.
In a kind of specific embodiment, as shown in Figure 2, the utility model provides a kind of absorption heat exchange unit, comprises hot-water type heat exchangers for district heating 5, absorption type heat pump assembly 1, water-water heat exchanger 2 and primary side pipeline 3, secondary side pipeline 4.Primary side pipeline 3 is from the backwater that supplies water first through heat exchangers for district heating 5, the generator that passes through again source pump 1, water-water heat exchanger 2.
Adopt this structure, in the course of work, the hot water of primary side pipeline 3 is first heated in heat exchangers for district heating 5, then enter the generator of source pump 1 as driving heat source, the concentrated lithium-bromide solution of heating, after cooling, the generator of outflow source pump 1, then enters the high temperature side of water-water heat exchanger 2 as heat source, heating enters the hot water backwater of the low temperature side of water-water heat exchanger 2, further after cooling, flows out water-water heat exchanger 2.
Compared with prior art, heat exchangers for district heating 5 heated it before primary side pipeline 3 enters heat exchange pump group, realized the function of concurrent heating, the supply water temperature of primary side pipeline 3 that further raises, thus increase water supply, the backwater temperature difference of primary side hot water.And, heat exchangers for district heating utilizes drawing gas of steam turbine or the steam of drawing from boiler carrys out the recirculated water heating pipe line, be that heat medium is water, low price, and be not easy to cause corrosion, the temperature of required heating is lower, and efficiency is higher, and then can reduce initial cost and the operating cost of absorption heat exchange unit.Further, in scheme, above-mentioned heat exchangers for district heating 5 is the heater of controlling separately.
Adopt this structure, heat exchangers for district heating 5 and other devices of absorption heat exchange unit are worked alone respectively, even if heat exchangers for district heating 5 breaks down, can not work on, also can not have influence on the work of other parts of absorption heat exchange unit.Compared with the structure of connecting with other parts of heat exchange unit with heat exchangers for district heating in prior art 5, further guarantee the job stability of absorption heat exchange unit.
The particular type of above-mentioned heat exchangers for district heating 5 can be varied.
In concrete scheme, above-mentioned heat exchangers for district heating 5 is direct combustion type heater.This heater, by burning stone fuel or liquid fuel or gaseous fuel direct ad valorem volume primary side hot water, can be realized simply, easily the hot water in primary side pipeline 3 is heated, and has higher efficiency.
Can expect, above-mentioned heat exchangers for district heating 5 can also be other types, for example, and steam type heater, the Topography primary side hot water of emitting by steam-condensation; Or water-water heater, heats primary side hot water by high-temperature water heat exchange; Or electric heater, heats primary side hot water by electrically heated mode.
Above-mentioned heat exchangers for district heating can adopt automatic control, detects in real time the temperature of primary side hot water line outlet, and when this temperature is during lower than desired value, heat exchangers for district heating is opened; When this temperature is during higher than desired value, heat exchangers for district heating progressively reduces heat input, until close.Certainly, above-mentioned heat exchangers for district heating can also adopt manual control, and user can select voluntarily according to actual needs and change.
The concrete set-up mode of the secondary side pipeline 4 of above-mentioned absorption heat exchange unit can also be further set.
In a kind of specific embodiment, as shown in Figure 2, above-mentioned secondary side pipeline 4 comprises the first pipeline 41, the second pipeline 42, described the first pipeline 41 is through absorber, the condenser of described source pump 1, and described the second pipeline 42 passes through evaporimeter, the described water-water heat exchanger 2 of described source pump 1 from supplying water successively to backwater.
Adopt this structure, the first pipeline 41 of secondary side pipeline 4 heats up through absorber, the condenser heat absorption of source pump 1 separately, the second pipeline 42 heats up through the low temperature side heat absorption of water-water heat exchanger 2 separately, can absorb comparatively fully the heat of primary side pipeline 3, so that the temperature difference between water supply, the backwater of primary side pipeline 3 is larger.In addition, because the first pipeline 41 and the second pipeline 42 arrange separately, therefore the secondary side hot water that the first pipeline 41 of this absorption heat exchange unit, the second pipeline 42 can be exported two kinds of different parameters, is convenient to be transported to different hot users by secondary side pipe network separately respectively.
Please refer to Fig. 3, Fig. 3 provides the structural representation of the second specific embodiment of absorption heat exchange unit for the utility model.
In the another kind of specific embodiment, as shown in Figure 3, the feed pipe of above-mentioned secondary pipeline can branch into the first branch road 43, the second branch road 44, the first branch road 43 is through absorber, the condenser of described source pump 1, the second branch road 44 passes through evaporimeter, the described water-water heat exchanger 2 of described source pump 1 from supplying water successively to backwater, and after the first branch road 43, the second branch road 44 coolings, merges into the return pipe of secondary side pipeline 4.
Adopt this structure, because the first branch road 43, the second branch road 44 share a feed pipe, a return pipe, therefore this secondary side pipeline 4 is exported a kind of secondary side hot water of parameter, only needs a secondary side pipe network to be transported to identical hot user.This structure is applicable to the relatively uniform area of heat demand.
Please refer to Fig. 4, Fig. 4 provides the structural representation of the third specific embodiment of absorption heat exchange unit for the utility model.
In another specific embodiment, as shown in Figure 4, the number of above-mentioned water-water heat exchanger 2 can be two.Primary side pipeline 3 first passes through the generator of source pump 1 from supplying water to backwater, more in parallel through two water-water heat exchangers 2, finally by the evaporimeter of crossing source pump 1.Secondary side pipeline 4 comprises the 3rd pipeline 45, the 4th pipeline 46, the feed pipe of the 3rd pipeline 45 branches into the 3rd branch road 451, the 4th branch road 452, the 3rd branch road 451 passes through absorber, the condenser of source pump 1 from supplying water successively to backwater, the 4th branch road 452 passes through evaporimeter, the described water-water heat exchanger 2 of described source pump 1 from supplying water successively to backwater, and after the 3rd branch road 451, the 4th branch road 452 coolings, merges into the return pipe of the 3rd pipeline 45; The 4th pipeline 46 is through another water-water heat exchanger 2.
Adopt this structure, because the 3rd branch road 451, the 4th branch road 452 share a feed pipe, return pipe, therefore the 3rd pipeline 45 of this secondary side pipeline 4 is exported a kind of secondary side hot water of parameter.Due to the 4th pipeline 46 and the independent setting of the 3rd pipeline 45, therefore the 4th pipeline 46 can be exported the secondary side hot water of another kind of parameter.This heat exchange unit can be exported two kinds of secondary side hot water that parameter is different, and wherein the 3rd pipeline 45 is exported the hot water after the merging of heat exchange pump group, water-water heat exchanger 2 that is, what the 4th pipeline 46 was exported is the hot water through another water-water heat exchanger 2.
It will also be appreciated that, the number of above-mentioned water-water heat exchanger 2 can also be three or more, and for example, the number that water-water heat exchanger 2 is worked as in setting is three, above-mentioned primary side pipeline 3 first passes through the generator of source pump 1 from supplying water to backwater, more in parallel through three water-water heat exchangers 2.Secondary side pipeline 4 comprises the 5th pipeline, the 6th pipeline, the feed pipe of the 5th pipeline branches into the 5th branch road, the 6th branch road and the 7th branch road, the 5th branch road passes through absorber, the condenser of source pump 1 from supplying water successively to backwater, the 6th branch road passes through evaporimeter, one of them water-water heat exchanger of described source pump 1 from supplying water successively to backwater, the 7th branch road passes through another water-water heat exchanger 2, and after the 5th branch road, the 6th branch road and the cooling of the 7th branch road, merges into the return pipe of secondary side pipeline 4; The 6th pipeline is through last water-water heat exchanger 2.
Like this, also can obtain two kinds of secondary side hot water that parameter is different, design parameter is different again with the heat exchange unit shown in painting 4.
As can be seen here, the combination of above-mentioned heat exchange unit can have varied, and the design parameter of the secondary side hot water that user can be is according to actual needs used in combination voluntarily.
Above a kind of absorption heat exchange unit provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. an absorption heat exchange unit, comprise hot water type absorption heat pump unit (1), water-water heat exchanger (2) and primary side pipeline (3), secondary side pipeline (4), described primary side pipeline (3) passes through the generator of described source pump (1), described water-water heat exchanger (2) from supplying water successively to backwater; It is characterized in that, described heat exchange unit also comprises heat exchangers for district heating (5), before described primary side pipeline (3) enters described generator, first passes through described heat exchangers for district heating (5).
2. absorption heat exchange unit according to claim 1, is characterized in that, described heat exchangers for district heating (5) is the heater of controlling separately.
3. absorption heat exchange unit according to claim 2, is characterized in that, described heat exchangers for district heating (5) is direct combustion type heater.
4. absorption heat exchange unit according to claim 2, is characterized in that, described heat exchangers for district heating (5) is steam type heater.
5. absorption heat exchange unit according to claim 2, is characterized in that, described heat exchangers for district heating (5) is water-water heater.
6. absorption heat exchange unit according to claim 2, is characterized in that, described heat exchangers for district heating (5) is electric heater.
7. according to the absorption heat exchange unit described in claim 1-6 any one, it is characterized in that, described secondary side pipeline (4) comprises the first pipeline (41), the second pipeline (42), described the first pipeline (41) is through absorber, the condenser of described source pump (1), and described the second pipeline (42) passes through the evaporimeter of described source pump (1), described water-water heat exchanger (2) from supplying water successively to backwater.
8. according to the absorption heat exchange unit described in claim 1-6 any one, it is characterized in that, the feed pipe of described secondary side pipeline (4) branches into the first branch road (43), the second branch road (44), described the first branch road (43) is through absorber, the condenser of described source pump (1), described the second branch road (44) passes through the evaporimeter of described source pump (1), described water-water heat exchanger (2) from supplying water successively to backwater, and after the cooling of described the first branch road (43), described the second branch road (44), merges into the return pipe of described secondary side pipeline (4).
9. according to the absorption heat exchange unit described in claim 1-6 any one, it is characterized in that, the number of described water-water heat exchanger (2) is two;
Described primary side pipeline (3) first passes through the generator of described source pump (1) from the backwater that supplies water, more in parallel through two described water-water heat exchangers (2);
Described secondary side pipeline (4) comprises the 3rd pipeline (45), the 4th pipeline (46), the feed pipe of described the 3rd pipeline (45) branches into the 3rd branch road (451), the 4th branch road (452), described the 3rd branch road (451) is through absorber, the condenser of described source pump (1), described the 4th branch road (452) passes through the evaporimeter of described source pump (1), described water-water heat exchanger (2) from supplying water successively to backwater, and after described the 3rd branch road (451), described the 4th branch road (452) cooling, merges into the return pipe of described the 3rd pipeline (45); Described the 4th pipeline (46) is through another water-water heat exchanger (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090920.2U CN203704109U (en) | 2014-02-28 | 2014-02-28 | Absorption type heat exchange unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090920.2U CN203704109U (en) | 2014-02-28 | 2014-02-28 | Absorption type heat exchange unit |
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| CN203704109U true CN203704109U (en) | 2014-07-09 |
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| CN201420090920.2U Expired - Fee Related CN203704109U (en) | 2014-02-28 | 2014-02-28 | Absorption type heat exchange unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836699A (en) * | 2014-02-28 | 2014-06-04 | 烟台荏原空调设备有限公司 | Absorptive heat exchanger unit |
| CN104832970A (en) * | 2015-04-24 | 2015-08-12 | 珠海格力电器股份有限公司 | Absorption type heat exchanger unit |
| CN104879818A (en) * | 2015-04-24 | 2015-09-02 | 珠海格力电器股份有限公司 | Heat exchanger unit |
| CN105953290A (en) * | 2016-05-13 | 2016-09-21 | 湖南同为节能科技有限公司 | First-network water large-temperature-difference heat supplying system and method |
| CN109425143A (en) * | 2017-08-21 | 2019-03-05 | 荏原冷热系统株式会社 | Absorption type heat exchange system |
-
2014
- 2014-02-28 CN CN201420090920.2U patent/CN203704109U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836699A (en) * | 2014-02-28 | 2014-06-04 | 烟台荏原空调设备有限公司 | Absorptive heat exchanger unit |
| CN104832970A (en) * | 2015-04-24 | 2015-08-12 | 珠海格力电器股份有限公司 | Absorption type heat exchanger unit |
| CN104879818A (en) * | 2015-04-24 | 2015-09-02 | 珠海格力电器股份有限公司 | Heat exchanger unit |
| CN104879818B (en) * | 2015-04-24 | 2018-03-30 | 珠海格力电器股份有限公司 | Heat exchanger unit |
| CN104832970B (en) * | 2015-04-24 | 2018-07-10 | 珠海格力电器股份有限公司 | Absorption type heat exchanger unit |
| CN105953290A (en) * | 2016-05-13 | 2016-09-21 | 湖南同为节能科技有限公司 | First-network water large-temperature-difference heat supplying system and method |
| CN109425143A (en) * | 2017-08-21 | 2019-03-05 | 荏原冷热系统株式会社 | Absorption type heat exchange system |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address | ||
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Address after: Yongda road in Shandong city of Yantai province Fushan hi tech Industrial Zone No. 720 Co-patentee after: EBARA REFRIGERATION EQUIPMENT & SYSTEMS Co.,Ltd. Patentee after: EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) Co.,Ltd. Address before: Yongda road 265500 Shandong province Yantai Fushan hi tech Industrial Zone No. 720 Co-patentee before: EBARA REFRIGERATION EQUIPMENT & SYSTEMS Co.,Ltd. Patentee before: YANTAI EBARA AIR CONDITIONER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |