CN106979568A - Air conditioning system utilizing cold energy and heat energy of seawater - Google Patents
Air conditioning system utilizing cold energy and heat energy of seawater Download PDFInfo
- Publication number
- CN106979568A CN106979568A CN201710122444.6A CN201710122444A CN106979568A CN 106979568 A CN106979568 A CN 106979568A CN 201710122444 A CN201710122444 A CN 201710122444A CN 106979568 A CN106979568 A CN 106979568A
- Authority
- CN
- China
- Prior art keywords
- seawater
- air
- heat
- heat exchanger
- fresh water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013535 sea water Substances 0.000 title claims abstract description 105
- 238000004378 air conditioning Methods 0.000 title claims abstract description 32
- 238000005260 corrosion Methods 0.000 claims abstract description 3
- 239000013505 freshwater Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 150000003839 salts Chemical group 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention belongs to the field of air treatment equipment, and particularly relates to an air conditioning system utilizing seawater cold energy and heat energy. The invention indirectly utilizes the cold energy and the heat energy of the seawater, and does not need to carry out special anti-corrosion treatment on the side pipeline of the air conditioner, thereby greatly reducing the maintenance cost and improving the heat exchange coefficient of the heat exchanger.
Description
Technical field
The present invention relates to the air-conditioning system of new energy and energy-conserving and environment-protective field, more particularly to a kind of utilization seawater cold energy and heat energy
System.
Background technology
Energy-saving and emission-reduction are the fundamental state policies of Energy Development in China, strengthen use can manage, take it is technically feasible, economically close
The measure that reason and environment and society can bear, reduction consumption, rationally effective is the trend developed now using the energy.
Southeastern coast and the Southern Coast area of China, sunshine are stronger, and summer, the power consumption that air-conditioning is used was very huge all more than half a year
Greatly, and in the north, ocean can be covered by ice face, and the water temperature under ice face is higher than environment temperature.
The specific heat capacity of seawater is big compared with soil or air, and in summer, its temperature is lower than environment, and in winter, its temperature compares environment
Height, and deep sea water absorbs that sunray is less in summer, and the water temperature at 1000 meters of depth is about 4-5 DEG C, and winter is because of 4
DEG C density of sea water it is larger, deep sea water temperature be 4 DEG C or so.Summer is sharp using 10 DEG C or so of low temperature seawater refrigeration or winter
With 4 DEG C or so of seawater preheating, a large amount of electric energy can be saved.
Patent CN 104596010A provide a kind of direct-cooling type seawater air conditioning systems system, mainly by radiator, supply-water pump, take out
Discharge pipe line, mouth of pipe electrofilter and continuous filter composition.Operation principle is to pump ocean bottom low temperature seawater by continuous filter
Filtering, is delivered to user's room temperature lowering in anticorrosion radiator, but it has two significant deficiencies, and one is salt content in seawater
Height, it is difficult to which it is filtered completely, salt branch reduces the service life of metal, can increase pipeline and radiator changes number of times；Two are
Anticorrosion material is generally organic material, and its thermal conductivity factor is small, can greatly reduce the heat exchange property of heat exchanger, increase system work(
Consumption.
The content of the invention
The technical problems to be solved by the invention are to use the problem of air-conditioning power consumption is very huge for seashore, propose profit
With the air-conditioning system of seawater cold energy and heat energy.
The technical scheme that present invention solution above-mentioned technical problem is used is as follows：
The air-conditioning system of a kind of utilization seawater cold energy and heat energy is provided, including seawater circulation system, the fresh water circulatory system and
Air circulation system；
Wherein described seawater circulation system includes suction pump, cistern, seawater inlet channel and seawater drainage pipeline, described
Seawater inlet channel and seawater drainage pipeline connect the upper and lower side of cistern respectively, and the suction pump is arranged at seawater inlet channel
On, the seawater inlet channel stretches into seawater depths；
The fresh water circulatory system includes fresh water circulating line, heat exchanging pipe, water circulating pump and First Heat Exchanger；It is described
Heat exchanging pipe is located in the cistern, and fresh water circulating line connects and composes closed-loop path, the circulation with heat exchanging pipe
Water pump, which is located on fresh water circulating line, is used for fresh water circulation in driving tube, and described First Heat Exchanger one end connects fresh water circulation pipe
Road, another side connection air circulation system；The air circulation system is connected with room air.
Further, the cistern is not higher than sea level, and the peripheral pool fills insulation material, the basin inlet
For back taper or rectangle, two-stage filter is contained on the pond upper strata.
As an improvement, it is provided with first level filtering device at the seawater inlet of seawater inlet channel.
Further, blower fan is additionally provided with the First Heat Exchanger, the blower fan strengthens heat exchange.
A kind of air-conditioning system of utilization seawater cold energy and heat energy, including the one-level refrigerating circulatory system, two grades of refrigerating cyclic systems
System and air circulation system；The one-level refrigerating circulatory system and two grades of refrigerating circulatory systems are closed-cycle system, circulation industrial
Matter is fresh water；
The wherein described one-level refrigerating circulatory system includes suction pump, the second heat exchanger, one-level refrigerating circulating line, described one
Level refrigerating circulating line connects one end of the second heat exchanger, and the suction pump is arranged on one-level refrigerating circulating line, and described one
Seawater depths and seawater to make heat exchange are stretched into level refrigerating circulating line one end；
Two grades of refrigerating circulatory systems include two grades of refrigerating circulating lines, water circulating pump and First Heat Exchanger；Described two
Level refrigerating circulating line connects one end of First Heat Exchanger and the second heat exchanger respectively, and the water circulating pump is followed positioned at two grades of refrigeratings
It is used for fresh water circulation in driving tube, the another side connection air circulation system of the First Heat Exchanger on endless tube road；The air
The circulatory system is connected with room air.
Further, blower fan is additionally provided with the First Heat Exchanger, the blower fan strengthens heat exchange.
Specifically, summer utilizes 2-6 DEG C or so seawater preheating using 8-12 DEG C of low temperature seawater cooling or winter, and it is aided with
Heater is heated.
Further, the seawater inlet channel and seawater outlet conduit and contact with sea water part are done at anticorrosion
Reason；The part of the seawater inlet channel and seawater outlet conduit and seawater to make heat exchange has resistance to pressure request.
The invention has the advantages that：
In the system of the present invention, circulated using the open circulation of law of connected vessels or the refrigerating of enclosed, indirect, low power consuming
Used the cold energy and heat energy of seawater, by cistern or the second heat exchanger by the energy transfer of seawater into air-conditioning side ducts
In fresh water, exchanged heat by the fresh water in air-conditioning side ducts and room air, and strengthen heat exchange using blower fan, realize that air themperature is adjusted
Section is acted on.The present invention is not required to carry out air-conditioning lateral line special preservative treatment, therefore can greatly reduce maintenance cost, and raising is changed
The hot device coefficient of heat transfer.In this regard, the system of this structure is applied to work under the high briny environment of seashore salt content, electric power is reduced empty
The use of adjusting system, saves the energy.
Brief description of the drawings
Fig. 1 is that the first provided of the invention utilizes seawater cold energy and the structural representation of the air-conditioning system of heat energy；
Fig. 2 is that second provided of the invention utilizes seawater cold energy and the structural representation of the air-conditioning system of heat energy.
Reference in specification is as follows：
1st, suction pump；2nd, pond；3rd, water circulating pump；4th, First Heat Exchanger；5th, blower fan；6th, the second heat exchanger；
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention is described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
The present invention provides the air-conditioning system of a kind of utilization seawater cold energy and heat energy, including the circulation of seawater circulation system, fresh water
System and air circulation system；
Wherein described seawater circulation system includes suction pump, cistern, seawater inlet channel and seawater drainage pipeline, described
Seawater inlet channel and seawater drainage pipeline connect the upper and lower side of cistern respectively, and the suction pump is arranged at seawater inlet channel
On, the seawater inlet channel stretches into seawater depths；
The fresh water circulatory system includes fresh water circulating line, heat exchanging pipe, water circulating pump and First Heat Exchanger, as
First Heat Exchanger described in a kind of preferred embodiment is water-air heat exchanger；The heat exchanging pipe is located in the cistern, light
Water circulating pipe connects and composes closed-loop path with heat exchanging pipe, and the water circulating pump, which is located on fresh water circulating line, to be used to drive
Fresh water circulation in pipe, described First Heat Exchanger one end connects fresh water circulating line, another side connection air circulation system；The sky
The gas circulatory system is connected with room air.
As a kind of preferred embodiment, the cistern is not higher than sea level, and the peripheral pool fills insulation material,
The basin inlet is back taper or rectangle, and two-stage filter is contained on the pond upper strata.
As another preferred embodiment, first level filtering device is provided with the seawater inlet of seawater inlet channel.
As another preferred embodiment, blower fan is additionally provided with the First Heat Exchanger, the blower fan strengthens heat exchange.
Specific embodiment one
Fig. 1 is refer to, Fig. 1 utilizes the air-conditioning system of seawater cold energy and heat energy, the utilization for the first provided of the invention
The air-conditioning system of seawater cold energy and heat energy includes suction pump 1, pond 2, water circulating pump 3, water-air heat exchanger 4 and blower fan 5；
Sea is connected with the pond 2 as a linker, and the suction pump 1 passes through the low power consuming of seawater side ducts 11
Seawater after preliminary filtering is introduced into the pond 2, after seawater is filtered through filter 13 in the pond 2 and full of fresh water
Air-conditioning side ducts 12 exchange heat, and the fully seawater after heat exchange is discharged into big marine, and the water circulating pump 3 is that fresh water circulates and provides power,
Circulation fresh water gets in the water-air heat exchanger 4, is exchanged heat with room air, and the blower fan 5 strengthens heat exchange, realizes
Air temperature modification.
The present invention provides the air-conditioning system of a kind of utilization seawater cold energy and heat energy,
Including the one-level refrigerating circulatory system, two grades of refrigerating circulatory systems and air circulation system；The one-level refrigerating circulation
System and two grades of refrigerating circulatory systems are closed-cycle system, and cycle fluid is fresh water；
The wherein described one-level refrigerating circulatory system includes suction pump, the second heat exchanger, one-level refrigerating circulating line, described one
Level refrigerating circulating line connects one end of the second heat exchanger, and the suction pump is arranged on one-level refrigerating circulating line, and described one
Seawater depths and seawater to make heat exchange are stretched into level refrigerating circulating line one end；
Two grades of refrigerating circulatory systems include two grades of refrigerating circulating lines, water circulating pump and First Heat Exchanger；Described two
Level refrigerating circulating line connects one end of First Heat Exchanger and the second heat exchanger respectively, and the water circulating pump is followed positioned at two grades of refrigeratings
It is used for fresh water circulation in driving tube, the another side connection air circulation system of the First Heat Exchanger on endless tube road；The air
The circulatory system is connected with room air.
The one-level refrigerating circulatory system is sealed, there is high pressure resistant requirement, because to go deep into ocean, such as seabed 1000m, is needed
The high pressure of 100 atmospheric pressure is born, therefore, cost is of a relatively high, and need to change, and two grades of refrigerating circulatory systems are due to only
Only it is the pipeline of connection, no bearing requirements, and without requirement for anticorrosion, using general pipeline, therefore pipeline need not be changed.Cause
This, by two multi-cycle separations, economically, in construction and safeguards, is all excellent selection.
As another preferred embodiment, blower fan is additionally provided with the First Heat Exchanger, the blower fan strengthens heat exchange.
Specific embodiment two
It refer to Fig. 2, second of air-conditioning system using seawater cold energy and heat energy that Fig. 2 provides for the present invention, the utilization
The air-conditioning system of seawater cold energy and heat energy is changed including suction pump 1, water circulating pump 3, water-air heat exchanger 4, blower fan 5 and water-water
Hot device 6；
The suction pump 1, water-water heat exchanger 4 and the composition refrigerating circulation of high voltage bearing seawater side ducts 11, cycle fluid
For fresh water, the fresh water in refrigerating circulation is first exchanged heat with seawater, and providing the power feeding water-water by the suction pump 1 changes
Hot device 4, and exchanged heat in the water-water heat exchanger 4 with fresh water in air-conditioning side ducts 12, in the air-conditioning side ducts 12
Fresh water provides power by the water circulating pump 3, sends into the indoor water-air heat exchanger 4, is exchanged heat with room air, institute
State blower fan 5 and strengthen heat exchange, realize air temperature modification.
As a kind of preferred embodiment, summer utilizes 2-6 DEG C or so using 8-12 DEG C of low temperature seawater cooling or winter
Seawater preheating, further summer utilize 4 DEG C or so seawater using 10 DEG C or so low temperature seawaters or winter；And it is aided with heater
Heated.
As another preferred embodiment, the seawater inlet channel and seawater outlet conduit and contact with sea water part
Do anti-corrosion treatment；The part of the seawater inlet channel and seawater outlet conduit and seawater to make heat exchange has resistance to pressure request.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., under the premise without departing from the principles of the invention, all should be wrapped
It is contained within protection scope of the present invention.
Claims (8)
1. the air-conditioning system of a kind of utilization seawater cold energy and heat energy, it is characterised in that including seawater circulation system, fresh water cyclic system
System and air circulation system；
Wherein described seawater circulation system includes suction pump, cistern, seawater inlet channel and seawater drainage pipeline, the seawater
Inlet channel and seawater drainage pipeline connect the upper and lower side of cistern respectively, and the suction pump is arranged on seawater inlet channel,
The seawater inlet channel stretches into seawater depths；
The fresh water circulatory system includes fresh water circulating line, heat exchanging pipe, water circulating pump and First Heat Exchanger；The heat is handed over
Pipeline is changed in the cistern, fresh water circulating line connects and composes closed-loop path, the water circulating pump with heat exchanging pipe
It is used for fresh water circulation in driving tube on fresh water circulating line, described First Heat Exchanger one end connects fresh water circulating line, separately
While connection air circulation system；The air circulation system is connected with room air.
2. the air-conditioning system of utilization seawater cold energy according to claim 1 and heat energy, it is characterised in that the cistern is not
Higher than sea level, the peripheral pool fills insulation material, and the basin inlet is back taper or rectangle, and the pond upper strata contains
There is two-stage filter.
3. the air-conditioning system of utilization seawater cold energy according to claim 1 and heat energy, it is characterised in that in seawater water inlet pipe
First level filtering device is provided with the seawater inlet in road.
4. the air-conditioning system of the utilization seawater cold energy and heat energy according to claim 1-3, it is characterised in that described first
Blower fan is additionally provided with heat exchanger, the blower fan strengthens heat exchange.
5. the air-conditioning system of a kind of utilization seawater cold energy and heat energy, it is characterised in that including the one-level refrigerating circulatory system, two grades of loads
SAPMAC method system and air circulation system；The one-level refrigerating circulatory system and two grades of refrigerating circulatory systems are sealing and circulating system
System, cycle fluid is fresh water；
The wherein described one-level refrigerating circulatory system includes suction pump, the second heat exchanger, one-level refrigerating circulating line, and the one-level is carried
SAPMAC method pipeline connects one end of the second heat exchanger, and the suction pump is arranged on one-level refrigerating circulating line, and the one-level is carried
Seawater depths and seawater to make heat exchange are stretched into SAPMAC method pipeline one end；
Two grades of refrigerating circulatory systems include two grades of refrigerating circulating lines, water circulating pump and First Heat Exchanger；Two grades of loads
SAPMAC method pipeline connects one end of First Heat Exchanger and the second heat exchanger respectively, and the water circulating pump is located at two grades of refrigerating circulation pipes
It is used for fresh water circulation in driving tube, the another side connection air circulation system of the First Heat Exchanger on road；The air circulation
System is connected with room air.
6. the air-conditioning system of utilization seawater cold energy according to claim 5 and heat energy, it is characterised in that first heat exchange
Blower fan is additionally provided with device, the blower fan strengthens heat exchange.
7. the air-conditioning system of the utilization seawater cold energy and heat energy according to claim 1 and 5, it is characterised in that summer utilizes
8-12 DEG C of low temperature seawater cooling or winter are aided with heater and heated using 2-6 DEG C or so seawater preheating.
8. the air-conditioning system of the utilization seawater cold energy and heat energy according to claim 1 and 5, it is characterised in that the seawater
Anti-corrosion treatment is done in inlet channel and seawater outlet conduit and contact with sea water part；The seawater inlet channel and seawater go out
The part of waterpipe and seawater to make heat exchange has resistance to pressure request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122444.6A CN106979568A (en) | 2017-03-02 | 2017-03-02 | Air conditioning system utilizing cold energy and heat energy of seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122444.6A CN106979568A (en) | 2017-03-02 | 2017-03-02 | Air conditioning system utilizing cold energy and heat energy of seawater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979568A true CN106979568A (en) | 2017-07-25 |
Family
ID=59338719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710122444.6A Pending CN106979568A (en) | 2017-03-02 | 2017-03-02 | Air conditioning system utilizing cold energy and heat energy of seawater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979568A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461950A (en) * | 2017-08-01 | 2017-12-12 | 中冶北方（大连）工程技术有限公司 | Seawater circulation utilizes system |
| CN108781884A (en) * | 2018-03-22 | 2018-11-13 | 山东省蚕业研究所 | The implant system and cultural method of a kind of Seedling bag, salt water sprinkler overlapping cultivation ice plant |
| CN114440356A (en) * | 2022-02-28 | 2022-05-06 | 上海电机学院 | Indirect seawater source heat pump air conditioning system with wind energy auxiliary refrigeration and heating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275766A (en) * | 1993-03-02 | 1994-09-07 | Yang Tai Her | Utilising natural heat stores |
| CN1267814A (en) * | 1999-03-23 | 2000-09-27 | 胡维明 | Central cold-wind air conditioner cooled with water from river, lake or sea |
| CN2438968Y (en) * | 2000-08-18 | 2001-07-11 | 徐生恒 | Liquid cold & heat sources apparatus using rivers, Lakes and seas water as energy |
| CN1563854A (en) * | 2004-03-18 | 2005-01-12 | 上海交通大学 | Urban integral air comditioning system using subsurface seawater as natural cooling source |
| CN202927994U (en) * | 2012-10-29 | 2013-05-08 | 浙江方圆造船有限公司 | Energy-saving air conditioner device using seawater heat energy |
-
2017
- 2017-03-02 CN CN201710122444.6A patent/CN106979568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275766A (en) * | 1993-03-02 | 1994-09-07 | Yang Tai Her | Utilising natural heat stores |
| CN1267814A (en) * | 1999-03-23 | 2000-09-27 | 胡维明 | Central cold-wind air conditioner cooled with water from river, lake or sea |
| CN2438968Y (en) * | 2000-08-18 | 2001-07-11 | 徐生恒 | Liquid cold & heat sources apparatus using rivers, Lakes and seas water as energy |
| CN1563854A (en) * | 2004-03-18 | 2005-01-12 | 上海交通大学 | Urban integral air comditioning system using subsurface seawater as natural cooling source |
| CN202927994U (en) * | 2012-10-29 | 2013-05-08 | 浙江方圆造船有限公司 | Energy-saving air conditioner device using seawater heat energy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461950A (en) * | 2017-08-01 | 2017-12-12 | 中冶北方（大连）工程技术有限公司 | Seawater circulation utilizes system |
| CN107461950B (en) * | 2017-08-01 | 2019-11-12 | 中冶北方（大连）工程技术有限公司 | Seawater circulation utilizes system |
| CN108781884A (en) * | 2018-03-22 | 2018-11-13 | 山东省蚕业研究所 | The implant system and cultural method of a kind of Seedling bag, salt water sprinkler overlapping cultivation ice plant |
| CN114440356A (en) * | 2022-02-28 | 2022-05-06 | 上海电机学院 | Indirect seawater source heat pump air conditioning system with wind energy auxiliary refrigeration and heating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204612524U (en) | The antifreeze cooling apparatus of enclosed | |
| CN107355841A (en) | A kind of electrically driven (operated) air source heat pump multi-mode heating system of low ebb | |
| CN106979568A (en) | Air conditioning system utilizing cold energy and heat energy of seawater | |
| CN103968607A (en) | Ground heat exchanger used for ground source heat pump air conditioning system | |
| CN203810794U (en) | Ground heat exchanger structure of ground source heat pump air-conditioning system | |
| CN100460769C (en) | Regional building air-conditioning system capable of transferring cool capacity of ocean by underground water-bearing layers in coastal area | |
| CN206160340U (en) | Heat exchange cooling water system | |
| CN2823922Y (en) | Geothermal exchanger with internal and external pipes | |
| CN204534802U (en) | A kind of phase-change thermal storage coupled solar collection heat storage and heat supply system | |
| CN107327311B (en) | A kind of long tunnel gas source cooling system | |
| CN207214308U (en) | A kind of building enclosure based on soil source heat exchange | |
| CN213454339U (en) | High freezing resistance solar heat collection system | |
| CN209445630U (en) | A kind of frostless deep exploitation device of mine air-lack waste heat | |
| CN104501456B (en) | A kind of mine cooling and heating system | |
| RU2455574C1 (en) | Self-sustained heat and cold supply plant of buildings and facilities | |
| CN102721234A (en) | Ground-source heat pump system suitable for indoor swimming pool | |
| CN109442801A (en) | A kind of frostless deep exploitation device of mine air-lack waste heat and technique | |
| CN207778866U (en) | A kind of horizontal heat exchange and the ground-source heat pump system being combined that vertically exchanges heat | |
| CN2480778Y (en) | Geothermy lithium bromide absorption type refrigerated air conditioner set | |
| CN105546696A (en) | Terrestrial heat air conditioning system | |
| CN206113707U (en) | Multistage waste water recovery system | |
| CN205448103U (en) | Single tube hot -well ground source heat pump system | |
| CN205448102U (en) | Air conditioner water system | |
| CN217274656U (en) | Ventilation system based on solar chimney effect | |
| CN216114433U (en) | Clean heating and ventilating air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |
|
| RJ01 | Rejection of invention patent application after publication |