CN111418547A - Solar heating system for intensive aquaculture - Google Patents
Solar heating system for intensive aquaculture Download PDFInfo
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- CN111418547A CN111418547A CN202010386221.2A CN202010386221A CN111418547A CN 111418547 A CN111418547 A CN 111418547A CN 202010386221 A CN202010386221 A CN 202010386221A CN 111418547 A CN111418547 A CN 111418547A
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- pipeline
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- fish pond
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 238000009360 aquaculture Methods 0.000 title claims abstract description 19
- 244000144974 aquaculture Species 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 241000251468 Actinopterygii Species 0.000 claims abstract description 48
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000010792 warming Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 3
- 238000004321 preservation Methods 0.000 claims description 16
- 238000005485 electric heating Methods 0.000 claims description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241001464837 Viridiplantae Species 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
- F24S80/65—Thermal insulation characterised by the material
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a solar warming system for intensive aquaculture, which relates to the technical field of aquaculture and comprises a hot water pond, an ecological pond, a solar heat collector, a waste heat recovery device, a heat exchange pipeline, a fish pond and a control cabinet, wherein two ends of the heat exchange pipeline are both communicated with the hot water pond, the heat exchange pipeline penetrates through the fish pond, the hot water pond is communicated with the solar heat collector through a heating pipeline, two ends of the heating pipeline are both communicated with the hot water pond, the solar heat collector is used for heating liquid in the heating pipeline, a first end of the waste heat recovery device is communicated with the fish pond through a pipeline, a second end of the waste heat recovery device is respectively communicated with the ecological pond and the hot water pond through pipelines, a heat exchange circulating pump is arranged on the heat exchange pipeline, a heating circulating pump is arranged on the heating pipeline, and. The invention converts solar energy into heat energy, heats water in the fish pond through the pipeline, and has clean energy.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a solar heating system for intensive aquaculture.
Background
Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. Temperature control is a very important problem in the process of culturing aquatic animals and plants, and because different aquatic animals need different environmental temperatures and the adaptive range of the temperature is small, the survival rate of the cultured aquatic animals can be directly influenced by the temperature control.
Most of the existing heating devices are coal-fired, gas-fired, fuel oil, geothermal wells and the like, and the heating devices are easy to cause air pollution and have higher energy consumption.
Therefore, there is an urgent need in the market for a new type of warming system for solving the above problems.
Disclosure of Invention
The invention aims to provide a solar heating system for aquaculture intensive cultivation, which solves the technical problems in the prior art, reduces air pollution and reduces energy consumption.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a solar energy warming system for aquatic product intensive culture, which comprises a hot water pool, an ecological pool, a solar heat collector, a waste heat recovery device, a heat exchange pipeline, a fish pond and a control cabinet, both ends of the heat exchange pipeline are communicated with the hot water tank, the heat exchange pipeline penetrates through the fish pond, the hot water pool is communicated with the solar heat collector through a heating pipeline, both ends of the heating pipeline are communicated with the hot water pool, the solar heat collector is used for heating liquid in a heating pipeline, the first end of the waste heat recovery device is communicated with the fish pond through a pipeline, the second end of the waste heat recovery device is respectively communicated with the ecological pool and the hot water pool through pipelines, the heat exchange pipeline is provided with a heat exchange circulating pump, the heating pipeline is provided with a heating circulating pump, and the heat exchange circulating pump and the heating circulating pump are both electrically connected with the control cabinet.
Preferably, the hot water tank further comprises an electric heating device and a first temperature sensor, wherein the electric heating device and the first temperature sensor are both fixed on the inner wall of the hot water tank, and the electric heating device and the first temperature sensor are both electrically connected with the control cabinet.
Preferably, the waste heat recovery device comprises a heat exchanger and a dirt separator, the first end of the heat exchanger is communicated with the fish pond through a pipeline, the second end of the heat exchanger is respectively connected with the hot water pond and the ecological pond through pipelines, and the dirt separator is fixed on the pipeline between the heat exchanger and the ecological pond.
Preferably, still include a plurality of second temperature sensor, stop valve, thermostatic valve and motorised valve, the fish pond is a plurality of, heat transfer pipeline has a plurality of branch pipes, every the branch pipe passes the fish pond, second temperature sensor is fixed in the fish pond, the stop valve the thermostatic valve with the motorised valve sets gradually in each on the branch pipe, second temperature sensor with the motorised valve all with the switch board electricity is connected.
Preferably, the fish pond further comprises a plurality of brackets, the brackets are fixed at the bottoms of the fish ponds, and the brackets are used for supporting the branch pipes.
Preferably, the fish pond further comprises a first heat preservation layer and a second heat preservation layer, wherein the first heat preservation layer is fixed on the outer surface of the outdoor pipeline, and the second heat preservation layer is fixed on the inner wall of the fish pond.
Preferably, the first heat-insulating layer is a polyurethane rubber insulating pipe, and the second heat-insulating layer is a polyurethane benzene board.
Preferably, the heat exchange pipeline is made of polypropylene PPR or high-pressure polyethylene.
Compared with the prior art, the invention has the following technical effects:
the invention adopts the heat exchange pipeline to heat the water in the fish pond by the heat exchange principle, gas polluting the air is not generated in the process, and the energy is mostly from solar energy, so the energy consumption is lower. The water can be recycled, thereby avoiding waste of water resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the solar energy warming system for intensive aquaculture of aquatic products according to the present embodiment;
FIG. 2 is a schematic diagram of the solar energy temperature increasing system for intensive aquaculture of aquatic products according to the embodiment;
in the figure: 1-a hot water tank; 2-an ecological pool; 3-a solar heat collector; 4-an electric heating device; 5-a heat exchanger; 6-a dirt separator; 7-a heat exchange line; 8-fishpond.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a solar heating system for aquaculture intensive cultivation, which solves the technical problems in the prior art, reduces air pollution and reduces energy consumption.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the embodiment provides a solar energy warming system for intensive aquaculture, which comprises a hot water tank 1, an ecological tank 2, a solar heat collector 3, a waste heat recovery device, a heat exchange pipeline 7, a fish pond 8 and a control cabinet. Both ends of the heat exchange pipeline 7 are communicated with the hot water tank 1, the heat exchange pipeline 7 penetrates through the fish pond 8, and the heat exchange pipeline 7 transmits the temperature of hot water in the pipe into the fish pond 8 through heat transfer. Hot-water tank 1 is linked together through the heating pipeline with solar collector 3, and the both ends of heating pipeline all are linked together with hot-water tank 1, and when the temperature in hot-water tank 1 was lower, the water in the heating pipeline was heated through solar collector 3 on the heating pipeline, and is further, the solar water heater device that solar collector 3 adopted in this embodiment, technical personnel in the field can also use other heating device, as long as can be with solar energy conversion heat energy can. Waste heat recovery device's first end is linked together through the pipeline with fish pond 8, waste heat recovery device's second end is linked together through the pipeline with ecological pool 2 and hot-water pond 1 respectively, and waste water of discharging passes through waste heat recovery device in the fish pond 8, retrieves partial heat energy and carry in the hot-water pond 1, and the waste water after drawing heat energy carries ecological pool 2 in, and ecological pool 2 adopts river or lake water, and the aquatic has green plant, can further decompose aquatic impurity. In order to ensure that water in the pipeline can normally flow, a heat exchange circulating pump is arranged on the heat exchange pipeline 7, a heating circulating pump is arranged on the heating pipeline, and the heat exchange circulating pump and the heating circulating pump are both electrically connected with the control cabinet.
During the use, when the temperature in the fish pond 8 was crossed lowly, start the heat transfer circulating pump, in the water in the hot-water pond 1 flowed into the fish pond 8 along heat transfer pipeline 7, the water in the heat transfer pipeline 7 carried out the heat transfer with the water in the fish pond 8 to make the temperature in the fish pond 8 rise, and the heat transfer pipeline 7 behind the fish pond 8 leads water back to in the hot-water pond 1 again. When the temperature of water in the hot water pool 1 is low, the heating circulating pump is started, water in the hot water pool 1 is sucked into the heating pipeline, the temperature of the water in the heating pipeline rises after passing through the solar heat collector 3, and then the water flows back into the hot water pool 1, so that the water in the hot water pool 1 is always kept in the temperature range required by the fish pond 8. After the water in the fish pond 8 discharges, through waste heat recovery device, waste heat recovery device draws its part heat energy with 8 exhaust waste water in fish pond and carries for hot-water tank 1, avoids causing the heat energy extravagant, and gets back to and deposit in ecological pond 2 by the waste water after drawing the heat energy to matters such as the bactericidal medicine that green plant and artifical the adding in ecological pond 2 can further get rid of aquatic impurity.
In order to avoid the problem that the solar heat collector 3 cannot heat water in rainy weather in cloudy days, the solar heat collector further comprises an electric heating device 4 and a first temperature sensor, the electric heating device 4 and the first temperature sensor are both fixed in the hot water pool 1, and the electric heating device 4 and the first temperature sensor are both electrically connected with the control cabinet. The first temperature sensor is used for measuring the temperature in the hot water pool 1 in real time, and when the temperature in the hot water pool 1 is lower than the required temperature and the sunlight is insufficient, the electric heating device 4 is started through the control cabinet to heat the hot water pool 1. As for the electric heating device 4, specifically, a heater or a heating rod may be used by those skilled in the art as long as the water in the hot water tank 1 can be heated.
In this embodiment, for the control cabinet, specifically, the L CD touch screen displays and sets the temperature of 16 groups of fish ponds 8, the operating states of various pump valves, the water temperature of the waste heat recovery device, the water temperature of the solar heat exchange device, and the abandoning water temperature of the fish pond 8, so as to better save, utilize the peak, valley and level of the power supply of the power grid, and set the intervention temperature, time and power of the electric heating device 4 on the screen.
As for the waste heat recovery device, specifically, the waste heat recovery device in the present embodiment includes a heat exchanger 5 and a scrubber 6. The first end of heat exchanger 5 and 8 through the pipeline intercommunications in fish pond, and heat exchanger 5's second end passes through the tube coupling respectively with hot-water pond 1 and ecological pool 2, and waste water draws the back with the heat after heat exchanger 5 and transmits in 1 hot-water pond to avoid heat energy extravagant. The dirt separator 6 is fixed on a pipeline between the heat exchanger 5 and the ecological pool 2, and the waste water after heat extraction can remove partial impurities after passing through the dirt separator 6.
In this embodiment, still include a plurality of second temperature sensor, stop valve, thermostatic valve and motorised valve, fishpond 8 is a plurality of, and heat transfer pipeline 7 has a plurality of branch pipes, and every branch pipe passes a fishpond 8, and second temperature sensor is fixed in on the 8 inner walls of fishpond, and second temperature sensor is used for the temperature of real-time detection fishpond 8, all is equipped with stop valve, thermostatic valve and motorised valve on every branch pipe, and second temperature sensor and motorised valve all are connected with the switch board electricity. When 8 temperatures in fish pond are lower, give the switch board with temperature signal transmission, the switch board is the heat transfer circulating pump of controling again, passes through heat transfer pipeline 7 with the water in the hot-water pond 1 to heat fish pond 8. The function of the thermostatic valve is to ensure that the water in the branch pipe can stably flow through the fishpond 8 at a constant temperature. The electric control valve is used for adjusting the opening size of the heat exchange pipeline 7 according to the temperature in each fish pond 8, so that the hot water flow is limited, and the temperature is finally controlled. When the electric control valve is damaged, the stop valve is manually controlled to close the corresponding branch pipe.
In order to facilitate the installation of the heat exchange pipeline 7, the device further comprises a plurality of brackets, the brackets are fixed at the bottoms of the fishponds 8, and the brackets are used for supporting the branch pipes. The skilled person can set up the specific structure of the support according to the actual need, as long as it can support the heat exchange pipeline 7.
In the pipeline transportation, thereby intraductal heat flows out easily and causes the heat waste, still includes first heat preservation in this embodiment, and first heat preservation is fixed in on the outdoor pipeline surface. Therefore, the problem of heat loss of hot water in the process of transporting hot water by a pipeline can be effectively avoided. In addition, a second heat-insulating layer is also arranged on the inner wall of the fish pond 8, so that the water temperature in the fish pond 8 can be effectively prevented from losing.
Further, first heat preservation is insulating tube of polyurethane rubber in this embodiment, and the second heat preservation is polyurethane benzene board. Those skilled in the art can replace the heat-insulating material with other heat-insulating materials as long as the technical effect of heat insulation can be achieved.
For convenient heat transfer, the material of heat transfer pipeline 7 in this embodiment is high pressure polyethylene pipe material, and the skilled person in the art can also replace it for polypropylene PPR, as long as the heat conductivity is good, convenient heat transfer can.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides an aquatic products intensification breed solar energy system that heats which characterized in that: including hot-water pond, ecological pond, solar collector, waste heat recovery device, heat transfer pipeline, fish pond and switch board, the both ends of heat transfer pipeline all communicate the hot-water pond, the heat transfer pipeline passes the fish pond, the hot-water pond with solar collector is linked together through the heating pipeline, the both ends of heating pipeline all with the hot-water pond is linked together, solar collector is arranged in heating the liquid in the pipeline, waste heat recovery device's first end with the fish pond is linked together through the pipeline, waste heat recovery device's second end respectively with ecological pond with the hot-water pond is linked together through the pipeline, be equipped with the heat transfer circulating pump on the heat transfer pipeline, be equipped with the heating circulating pump on the heating pipeline, the heat transfer circulating pump with the heating circulating pump all with the switch board electricity is connected.
2. The aquaculture intensive solar warming system of claim 1, wherein: the hot water tank is characterized by further comprising an electric heating device and a first temperature sensor, wherein the electric heating device and the first temperature sensor are both fixed on the inner wall of the hot water tank, and the electric heating device and the first temperature sensor are both electrically connected with the control cabinet.
3. The aquaculture intensive solar warming system of claim 1, wherein: the waste heat recovery device comprises a heat exchanger and a dirt separator, the first end of the heat exchanger is communicated with the fish pond through a pipeline, the second end of the heat exchanger is respectively connected with the hot water pond and the ecological pond through pipelines, and the dirt separator is fixed on the pipeline between the heat exchanger and the ecological pond.
4. The aquaculture intensive solar warming system of claim 1, wherein: still include a plurality of second temperature sensor, stop valve, thermostatic valve and motorised valve, the fish pond is a plurality of, the heat transfer pipeline has a plurality of branch pipes, every the branch pipe passes the fish pond, second temperature sensor is fixed in on the fish pond inner wall, the stop valve the thermostatic valve with the motorised valve sets gradually in each on the branch pipe, second temperature sensor with the motorised valve all with the switch board electricity is connected.
5. The aquaculture solar energy warming system according to claim 4, wherein: the fish pond support is characterized by further comprising a plurality of supports, the supports are fixed at the bottoms of the fish ponds and used for supporting the branch pipes.
6. The aquaculture intensive solar warming system of claim 1, wherein: the fish pond heat preservation structure is characterized by further comprising a first heat preservation layer and a second heat preservation layer, wherein the first heat preservation layer is fixed on the outer surface of an outdoor pipeline, and the second heat preservation layer is fixed on the inner wall of the fish pond.
7. The aquaculture solar energy warming system according to claim 6, wherein: the first heat preservation layer is a polyurethane rubber insulating heat preservation pipe, and the second heat preservation layer is a polyurethane benzene board.
8. The aquaculture intensive solar warming system of claim 1, wherein: the heat exchange pipeline is made of polypropylene PPR or high-pressure polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386221.2A CN111418547A (en) | 2020-05-09 | 2020-05-09 | Solar heating system for intensive aquaculture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386221.2A CN111418547A (en) | 2020-05-09 | 2020-05-09 | Solar heating system for intensive aquaculture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111418547A true CN111418547A (en) | 2020-07-17 |
Family
ID=71550818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010386221.2A Pending CN111418547A (en) | 2020-05-09 | 2020-05-09 | Solar heating system for intensive aquaculture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111418547A (en) |
-
2020
- 2020-05-09 CN CN202010386221.2A patent/CN111418547A/en active Pending
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