CN104315631B - A kind of auto-control formula cultivating system - Google Patents
A kind of auto-control formula cultivating system Download PDFInfo
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- CN104315631B CN104315631B CN201410537460.8A CN201410537460A CN104315631B CN 104315631 B CN104315631 B CN 104315631B CN 201410537460 A CN201410537460 A CN 201410537460A CN 104315631 B CN104315631 B CN 104315631B
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Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- 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
- F24F2005/0057—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 receiving heat-exchange fluid from a closed circuit in the ground
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Greenhouses (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A kind of auto-control formula cultivating system, including at least one raising shed, earth-source hot-pump system, solar thermal collector, energy-saving coal fired boiler, the central controller of water circulation pipe and control breeding trough steady temperature, source heat pump system, solar thermal collector, energy-saving coal fired boiler is coupled, solve agricultural breeding environment a series of compared with rigors, the low-energy-efficiency of heating and thermal insulation is carried out before instead of with small scall coal-fired boiler, maximum discharge way, successfully enter trip temperature with ground source heat pump technology and solar energy heating coupling utilization technology in the special agriculture aquaculture installation of environment to adjust.
Description
Technical field
The invention belongs to the air-conditioning technical field of cultivation industry, and in particular to temperature control in the cultivation greenhouse of energy-conserving and environment-protective
System, solves thermally equivalent in cultivation greenhouse, uniformity of temperature profile, ensures that breeding environment is good.
Background technology
Traditional cultivation greenhouse utilizes coal-burning boiler heat supply, not only to bear the cost pressure that coal price rises steadily,
And air pollution is more serious.
Prior art also has solar energy auxiliary cultivating system, because China is located in the Northern Hemisphere, most area is located at north
On the south 45 ° of latitude, about in more than 2000h, various regions solar radiation total amount is about in 34~8,400,000,000 J/m for annual sunshine time2A it
Between, with abundant solar energy resources.The sun is outside emitted energy in the form of an electromagnetic wave, during utilization without exploitation, dig
Pick and transport, it is easy to use, to clean environment health.But solar energy has both sides not enough:One is low energy-flux density;Two are
Its intensity by various factors (round the clock, cloudy day, sleet etc.) is influenceed that constant can not be maintained, and is also had and is proposed using heat pump energy source,
But earth source heat pump is in long-term operation, it will Soil Temperature Field is recovered in time, evaporating temperature and condensation temperature
Fluctuation is larger, and source pump operational efficiency is relatively low.In addition soil thermal conductivity is small, makes the area of Buried heat exchanger larger, and this is just
Need larger pipe laying place.During continuous operation, the condensation temperature or evaporating temperature of heat pump are influenceed and are occurred by the soil moisture
Fluctuation.This low level heat energy form is related to drilling project, constructional difficulties, and system investments are than larger.Therefore, for respective deficiency,
Scholar both domestic and external starts to be built together solar energy and earth source heat pump and is studied, i.e. solar energy-earth-source hot-pump system,
The system is the system with solar energy and ground source heat as composite heat power supply, is a kind of form of comprehensive utilization.With very big flexible
Property, the deficiency of independent heat source heat pump being compensate for, can utilize throughout the year, the usage factor of device is improve, solar energy equipment
The inconsistent shortcoming of heating rate, the exactly advantage of earth source heat pump are needed with heating season;And for earth source heat pump, due to solar energy
Add, be then capable of achieving intermittent duty, ground source temperature is obtained a certain degree of recovery, so as to improve the property of heat pump in a steady stream
Can coefficient.Solar energy-ground source heat energy coupling utilization technology, because of its energy-conservation and the advantage of environmental protection, is a kind of with development prospect
Energy utilization patterns such as Chinese patent CN101513174A（Publication date August in 2009 26 days）Disclose a kind of circulation of low energy consumption
Water cultivating system, including at least one breeding trough, filter cotton, heat-exchange device, biofilter, head-tank, chlorination equipment,
Oxygen-increasing device, the circulating water culture system is also included as the earth-source hot-pump system and the sun as thermal source of thermal source or low-temperature receiver
Energy hot systems, the waste water in breeding trough sequentially passes through filter cotton, heat-exchange device, biofilter, head-tank, sterilization dress
Put, oxygen-increasing device, finally flow into and a water circulation completed in breeding trough.The system can largely reduce energy resource consumption.The patent is only
Only propose to increase solar energy and earth source heat pump two systems selectively as low-temperature receiver or thermal source, not specific implementation method.
The content of the invention
The present invention provides one kind and solar energy is coupled with ground source heat pump technology, and auxiliary energy-saving coal-burning boiler is implemented, passes through
Environmentally friendly, the intelligent automatic controlling type cultivating system of Ji.
For above essential technique problem, the corresponding technical scheme that solves of the present invention is：
A kind of auto-control formula cultivating system, it is characterised in that including at least one raising shed, earth-source hot-pump system, the sun
The central controller of energy heat collector, energy-saving coal fired boiler, water circulation pipe and control breeding trough steady temperature, solar energy heating
The outlet of device sequentially passes through heat storage water tank and heat collector temperature-difference circulation pump is connected with the entrance of solar thermal collector, energy-saving coal pot
The delivery port of stove is connected by heat storage water tank, recuperated cycle pump with energy-saving coal fired boiler entrance, and heat storage water tank water side is by each
Heat storage water tank is returned to by water circulation pipe after the heat exchanger of individual raising shed, some water circulations are formed；The earth-source hot-pump system
Including pumped well, water circulating pump, inverted well, earth source heat pump unit, radiating end, water pump heat exchanger and axial flow blower；Recirculated water
Pump connects the water inlet end of earth source heat pump unit by water treatment facilities by pipeline, and the water inlet end of earth source heat pump unit is to include
Vertical inlet channel and one section of filter pipe of transverse direction, are provided with filter, filter water side connection water process in filter pipe
The water inlet end of equipment, the water side of earth source heat pump unit connects threeway, the top recharge that threeway one end is placed in by water return pipeline
Well, the other end is connected to pumped well by by-pass valve pipeline, and earth source heat pump unit includes filtration purifier, automatic deaerating device,
Compressor, choke valve, four-way reversing valve, First Heat Exchanger, expansion valve, the second heat exchanger and gas-liquid separator, water circulating pump
Outlet connection filtration purifier, automatic deaerating device connection First Heat Exchanger, exports out and takes back waterpipe from First Heat Exchanger,
Refrigerant loop in earth source heat pump unit passes sequentially through gas-liquid separator, compressor, four-way reversing valve, low pressure valve, first changes
Hot device, choke valve, high pressure valve, the second heat exchanger connect to form loop；First Heat Exchanger is condenser, and condenser is copper-tube aluminium wing
Piece heat exchanger, fin is corrugated aluminum fin, and evaporator sleeve pipe is PVC plastic tube strengthened steel wires；Second heat exchanger evaporates for sleeve pipe
Device, the evaporator includes shell, and refrigerant inlet/outlet pipe and recirculated water inlet/outlet pipe are provided with shell, and refrigerant inlet/outlet pipe and recirculated water are passed in and out
Pipe adverse current is spiraled；
Axial flow blower is arranged on the side of First Heat Exchanger, air after being heated or cooled by fibrous woven airduct to
Raising shed is conveyed everywhere；The control of the control output end, solar thermal collector of the input end grounding source heat pump system of central controller
End processed, recuperated cycle pump, heat collector temperature-difference circulation pump and the temp probe signal output part for being placed in water tank bottom.
Solar energy cultivation compared to existing technology or the development system of combustion gas stove heat, the present invention at utmost realize section
Can consumption reduction；Solar energy heating, earth source heat pump, energy-saving boiler system coupling are utilized, by Automated condtrol, three kinds of energy is realized
Complementation, reduce coal-fired consumption, reduce production cost, GHG emissions mitigation.Sun pool device absorbs the heat in sunshine, light
Thermal energy collecting can be converted into, by heat exchanger storage pool water within.Water is circulated in underground pipe, collected heat
Amount is balanced in the earth.Unnecessary heat storage in the earth, when ambient temperature than it is relatively low when, again can be stored at the earth
In take out utilization.Regard a big thermal storage medium using the earth.Heat in source pump and energy absorption cycle water, releases
It is put into heating space, reaches the effect of heating.Decline through experiment training cost and management cost.The application of ground source heat pump technology
Reduce investment in fixed assets cost, save energy, labour and management cost, while drastically reduce the area local method without boiler
Boiler, arcola burn the gas that coal is produced and the pollution for being produced to surrounding environment in cinder week, also improve the air in cultivation greenhouse
And water quality, for aquatic products provide a good ecological environment, aquaculture quality is improve, people is more put
Edible these ecological water products of the heart.
Brief description of the drawings
Fig. 1 is a kind of structural representation of auto-control formula cultivating system of the invention.
Specific embodiment
Technical solution of the present invention is described further with reference to embodiment and accompanying drawing：
A kind of auto-control formula cultivating system as shown in Figure 1, including multiple raising sheds 1（Accompanying drawing is expressed as 4, ground source heat
The center control of pumping system 2, solar thermal collector 3, energy-saving coal fired boiler 4, water circulation pipe 5 and control breeding trough steady temperature
Device processed 6, the 1st entrance of the outlet heat storage water tank 7 of solar thermal collector, the 1st outlet of heat storage water tank 7 connects the heat collector temperature difference
Circulating pump 8 is connected with the entrance of solar thermal collector；The delivery port of energy-saving coal fired boiler 4 pass through pipeline communication heat storage water tank the
2 entrances, then connected with the entrance of energy-saving coal fired boiler by a recuperated cycle pump, the 2nd outlet of heat storage water tank is passed through by pipeline
Cross the heat exchanger of each raising shed, heat exchange formed with water, after the 3rd entrance of heat storage water tank is returned to by water circulation pipe,
Form some water circulations；Heat exchanger can be underground pipe, heat the water in earth's surface, or the heat exchange being hung in greenhouse
Device, by heating air adjustment pond temperature in greenhouse.
The earth-source hot-pump system includes pumped well 21, water circulating pump 22, inverted well 23, earth source heat pump unit 24, radiating
End, water pump heat exchanger 25 and axial flow blower；Water circulating pump connects earth source heat pump unit by pipeline by water treatment facilities 26
Water inlet end, the water inlet end of earth source heat pump unit is the filter pipe for including vertical inlet channel and one section of transverse direction, filter pipe
In be provided with filter 27, underground water is by entering earth source heat pump unit after filter, it is ensured that the safe handling of unit, reduces cleaning
Cost.Filter water side connects the water inlet end of water treatment facilities, and the water side of earth source heat pump unit is connected by water return pipeline 28
Threeway is connect, the top inverted well that threeway one end is placed in, the other end is connected to pumped well by by-pass valve pipeline, water pump is from river
Water is delivered into earth source heat pump unit with pumped well, by flowing through threeway after heat exchanger heat exchange, a part of water returns to pumped well, one
Water is divided to be sent to inverted well by by-pass valve, due to shunting pumped well water level decreasing, the water-bearing layer of bottoming reaches to supplement water in it
To new balance, formation is circulated in flow process, continue, stably with the earth heat-shift.So setting can solve water
The recharge in source, and recirculated water, by shunting, pumped well water level decreasing, the water that the earth is saved reaches water, shape in then replenishing
Into advantageously water circulation.
Earth source heat pump unit includes filtration purifier（Accompanying drawing does not go out）, automatic deaerating device（Accompanying drawing does not go out）, compressor
241st, choke valve 242, four-way reversing valve 243, First Heat Exchanger 244, expansion valve, the second heat exchanger 245 and gas-liquid separator（It is attached
Figure does not go out）, the outlet connection filtration purifier of water circulating pump, automatic deaerating device are connected to First Heat Exchanger, from the first heat exchange
Device is exported out and takes back waterpipe, and the refrigerant loop in earth source heat pump unit passes sequentially through gas-liquid separator, compressor, four-way
Reversal valve, low pressure valve, First Heat Exchanger, choke valve, high pressure valve, the second heat exchanger connect to form loop；
First Heat Exchanger is condenser, and condenser is copper pipe aluminum fin heat exchanger, and fin is corrugated aluminum fin, evaporator set
It is PVC plastic tube strengthened steel wires to manage；Second heat exchanger is casing tube evaporator, and the evaporator includes shell, refrigerant is provided with shell
Inlet/outlet pipe and recirculated water inlet/outlet pipe, refrigerant inlet/outlet pipe and recirculated water inlet/outlet pipe adverse current are spiraled；First Heat Exchanger is in cooling operating mode
It is condenser, is evaporator in supplying thermal condition, the second heat exchanger is evaporator in cooling operating mode, is cold in supplying thermal condition
Condenser.
Axial flow blower is arranged on radiating end side, after by fibrous woven airduct, First Heat Exchanger is heated or cooled
Air is conveyed everywhere to raising shed, by adjusting raising shed air temperature modification pond water temperature.
The control output end of the input end grounding source heat pump system of central controller, the control end of solar thermal collector, change
Hot recycle pump, heat collector temperature-difference circulation pump and the temp probe signal output part for being placed in water tank bottom.
Central controller obtains the service data parameter of earth source heat pump unit, water pump heat exchanger and water treatment facilities, obtains
Exchange heat the service data parameter of hot device, obtains power supply-distribution system control service data, obtains ground source data parameter, integrates above-mentioned number
According to and by generation analysis result and control command after central processing unit analysis.
Summer air-conditioning freezes, and has two kinds of operational modes：
1., when solar radiation is more sufficient, solar energy produces hot water to enter in storage tank and stores for users to use.First
Heat exchanger makees evaporator cooling air, supplies cold；Second heat exchanger is used as condenser.
2., when solar radiation is not enough, air source heat pump is started.
At such as continuous cloudy day, it is impossible to when producing the heat of q.s sufficient temp, First Heat Exchanger is supported as condenser
Heat.Second heat exchanger makees evaporator.
Change four-way reversing valve during winter heating condition, change the refrigerant flow direction in pipeline so that refrigerant is from second
Heat exchanger absorbs heat, and to First Heat Exchanger heat supply.
3. solar radiation intensity is worked as where appropriate, the water circulation system of solar thermal collector is opened；4. solar energy heating is worked as
Device and heat pump can not all meet hot water supply when requiring, start energy-saving coal fired boiler to aid in heating.
In sum, after one of ordinary skill in the art reads file of the present invention, technology according to the present invention scheme with
Technology design makes other various corresponding conversion schemes without creative mental labour, belongs to the model that the present invention is protected
Enclose.
Claims (1)
1. a kind of auto-control formula cultivating system, it is characterised in that including at least one raising shed（1）, earth-source hot-pump system（2）、
Solar thermal collection system（3）, energy-saving coal fired boiler（4）, water circulation pipe（5）And the center control of control breeding trough steady temperature
Device processed（6）, the outlet of solar thermal collector sequentially passes through heat storage water tank（7）With heat collector temperature-difference circulation pump（8）With solar energy collection
The entrance connection of hot device, the delivery port of energy-saving coal fired boiler is by heat storage water tank, recuperated cycle pump and energy-saving coal fired boiler entrance
Connection, heat storage water tank water side by water circulation pipe after the heat exchanger of each raising shed by returning to heat storage water tank, if being formed
Solid carbon dioxide is circulated；The earth-source hot-pump system includes pumped well（21）, water circulating pump（22）, inverted well（23）, earth source heat pump unit
（24）, water pump heat exchanger（25）And axial flow blower；Water circulating pump passes through pipeline, by water treatment facilities（26）Connection earth source heat pump
The water inlet end of unit, the water inlet end of earth source heat pump unit is the filter pipe for including vertical inlet channel and one section of transverse direction, filtering
Filter is provided with pipeline（27）, filter water side connects the water inlet end of water treatment facilities, the water side of earth source heat pump unit
By water return pipeline（28）Connection threeway, the top inverted well that threeway one end is placed in, the other end is connected to by by-pass valve pipeline
Pumped well, earth source heat pump unit includes filtration purifier, automatic deaerating device, compressor（241）, choke valve（242）, four-way changes
To valve（243）, First Heat Exchanger（244）, expansion valve, the second heat exchanger（245）And gas-liquid separator, the outlet company of water circulating pump
Connect filtration purifier, automatic deaerating device connection First Heat Exchanger is exported out and takes back waterpipe, ground source heat from First Heat Exchanger
Refrigerant loop in pump assembly passes sequentially through gas-liquid separator, compressor, four-way reversing valve, low pressure valve, First Heat Exchanger, section
Stream valve, high pressure valve, the second heat exchanger connect to form loop；First Heat Exchanger is condenser, and condenser exchanges heat for copper pipe aluminum fin
Device, fin is corrugated aluminum fin, and evaporator sleeve pipe is PVC plastic tube strengthened steel wires；
Second heat exchanger is casing tube evaporator, and the evaporator includes shell, and refrigerant inlet/outlet pipe and recirculated water turnover are provided with shell
Pipe, refrigerant inlet/outlet pipe and recirculated water inlet/outlet pipe adverse current are spiraled；Axial flow blower is arranged on the side of First Heat Exchanger, is spun by fiber
The air after airduct will be heated or cooled is knitted to be conveyed everywhere to raising shed, the input end grounding source heat pump system of central controller
Control output end, the control end of solar thermal collector, recuperated cycle pump, heat collector temperature-difference circulation pump and the temperature for being placed in water tank bottom
Degree probe signal output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410537460.8A CN104315631B (en) | 2014-10-13 | 2014-10-13 | A kind of auto-control formula cultivating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410537460.8A CN104315631B (en) | 2014-10-13 | 2014-10-13 | A kind of auto-control formula cultivating system |
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| CN104315631A CN104315631A (en) | 2015-01-28 |
| CN104315631B true CN104315631B (en) | 2017-06-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764213B (en) * | 2015-03-18 | 2016-08-24 | 浙江大学 | The solar energy-heat pump combining heating system that greenhouse cultivation water and air heats parallel |
| CN110470075B (en) * | 2019-07-04 | 2020-10-02 | 同济大学 | Solar thermal storage water-ground dual heat source heat pump system for temperature control of aquaculture soil ponds |
| CN114923238B (en) * | 2022-04-08 | 2024-02-20 | 中建安装集团有限公司 | An air conditioning system and control method for an aquaculture plant |
| CN117581732B (en) * | 2023-11-23 | 2024-05-07 | 河北德普瑞新能源科技股份有限公司 | Constant temperature and humidity ground source heat pump special for greenhouse |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275783A (en) * | 2008-05-05 | 2008-10-01 | 浙江大学 | Combined heating system of solar energy and water source heat pump for industrialized soft-shelled turtle farm |
| CN101513174A (en) * | 2009-04-08 | 2009-08-26 | 山东省海洋水产研究所 | Circulating water culture system with low energy consumption |
| CN201396985Y (en) * | 2009-03-27 | 2010-02-03 | 北京依科瑞德地源科技有限责任公司 | Energy-storage GSHP system utilizing solar energy |
| CN202722285U (en) * | 2012-08-16 | 2013-02-13 | 昆明理工大学 | Aquaculture greenhouse heat supply apparatus |
| CN204214068U (en) * | 2014-10-13 | 2015-03-18 | 虞益江 | A kind of auto-control formula cultivating system |
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2014
- 2014-10-13 CN CN201410537460.8A patent/CN104315631B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275783A (en) * | 2008-05-05 | 2008-10-01 | 浙江大学 | Combined heating system of solar energy and water source heat pump for industrialized soft-shelled turtle farm |
| CN201396985Y (en) * | 2009-03-27 | 2010-02-03 | 北京依科瑞德地源科技有限责任公司 | Energy-storage GSHP system utilizing solar energy |
| CN101513174A (en) * | 2009-04-08 | 2009-08-26 | 山东省海洋水产研究所 | Circulating water culture system with low energy consumption |
| CN202722285U (en) * | 2012-08-16 | 2013-02-13 | 昆明理工大学 | Aquaculture greenhouse heat supply apparatus |
| CN204214068U (en) * | 2014-10-13 | 2015-03-18 | 虞益江 | A kind of auto-control formula cultivating system |
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| CN104315631A (en) | 2015-01-28 |
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