CN104764213A - Greenhouse breeding water and air parallelly heated solar energy-heat pump united heat supply system - Google Patents
Greenhouse breeding water and air parallelly heated solar energy-heat pump united heat supply system Download PDFInfo
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- CN104764213A CN104764213A CN201510118548.0A CN201510118548A CN104764213A CN 104764213 A CN104764213 A CN 104764213A CN 201510118548 A CN201510118548 A CN 201510118548A CN 104764213 A CN104764213 A CN 104764213A
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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
- 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
Abstract
The invention discloses a greenhouse breeding water and air parallelly heated solar energy-heat pump united heat supply system which comprises a solar water heating system, a soil heat storage and release system and a controller and further comprises a solar energy-heat pump air direct heating system and a new breeding water heating system. The solar energy-heat pump air direct heating system comprises a solar air heat collector group, a first heat pump and a fan. The new breeding water heating system consists of two portions, wherein the first portion comprises a sixth water pump, a waste heat exchanger, a sixth magnetic valve, a breeding water heat exchanger, a fifth magnetic valve, a breeding water preparation pond and a breeding pond. The soil heat storage and release system comprises a solar hot water heat collector group and a soil storage and release device. The greenhouse breeding water and air parallelly heated solar energy-heat pump united heat supply system changes an air and new breeding water heating mode in a breeding room, can decrease heat exchange middle links and is higher in heat transfer efficiency and better in energy-saving effect.
Description
Technical field
The present invention relates to the heating system of aquiculture green house, especially a kind of greenhouse cultivation water and air walk abreast heating solar energy-heat pump combining heating system.
Background technology
According to the growth characteristics of aquatic products, China's most area aquiculture green house needs heating in the winter time, consumes a large amount of energy.For energy-saving and emission-reduction, Chinese patent 201010039555.9 provides one " seasonal soil stores the factory production turtle-breeding field solar energy-heat pump heat distribution system of heat ", this system take solar energy as main heating source, utilize soil that the waste heat that solar thermal collector is collected is stored in summer, there is provided heat from soil heat-obtaining for heating system time not enough to solar energy in winter, there is the advantages such as good energy-conserving effect, energy cost are low.But the cultivation heating system of this kind of structure still has the following disadvantages: one is that the air heat of culturing pool 8 inside needs through two links: solar thermal collector group 1, first water resource heat pump 3 is at the air of heating culturing pool 8 inside, need first hydrophily Jie in heat storage water tank 2 to be heated to the temperature of setting, then hydrophily Jie is circulated to air heater 4, the air of culturing pool 8 inside is heated again by air heater 4, so just cause the energy dissipation of intermediate link, reduce energy utilization rate; Two is that second water source heat pump 11 heats new aquaculture water and also needs through two links: the hydrophily that second water source heat pump 11 first heats in heat storage water tank 2 is situated between, then new aquaculture water reaches the object of intensification by aquaculture water heat exchanger 6 heat absorbed in heat storage water tank 4, also result in the energy dissipation of intermediate link like this, reduce energy utilization rate.
Summary of the invention
The object of this invention is to provide a kind of greenhouse cultivation water and air to walk abreast the solar energy-heat pump combining heating system of heating, change cultivation room air and the mode of heating of new aquaculture water, can reduce the intermediate link of heat exchange, heat transfer efficiency is higher, and energy-saving effect is better.
For achieving the above object, the present invention adopts following technical scheme:
Greenhouse cultivation water and air walk abreast heating a solar energy-heat pump combining heating system, comprise solar water heating system, the soil side of storage hot systems and controller, also comprise solar energy/direct heating system of heat pump air and new aquaculture water heating system,
Described solar energy/direct heating system of heat pump air comprises solar energy air heat collector group, first heat pump, blower fan, the output of described solar energy air heat collector group is by the first air circulating umbilical, second air circulating umbilical is connected to the input of blower fan, 3rd air circulating umbilical, 4th air circulating umbilical is connected to the input of solar energy air heat collector group, 3rd magnetic valve is set between the first air circulating umbilical and the second air circulating umbilical, 4th magnetic valve is set between the 3rd air circulating umbilical and the 4th air circulating umbilical, when the air themperature of indoor is lower than design temperature, described controller cuts out the 3rd magnetic valve and the 4th magnetic valve, start the first heat pump, first heat pump is connected with the two ends that soil stores up radiator with the second hot-water circulation pipe by the first hot-water circulation pipe, first hot-water circulation pipe connects the low temperature water inlet of the first heat pump, second hot-water circulation pipe connects the low temperature delivery port of the first heat pump, forming one for the first heat pump provides the circulation of low-temperature heat source, first hot-water circulation pipe is arranged the 4th water pump, cultivation room air to enter in the first heat pump from air intake through the 3rd air circulating umbilical and heats up, air after intensification is extracted out from the air outlet slit of the first heat pump by blower fan, culturing chamber is sent into inner through the second air circulating umbilical,
Described solar water heating system comprises solar hot water heat collector group, heat storage water tank, the output of described solar hot water heat collector group is connected with heat storage water tank first water inlet by the second thermal-arrest circulation pipe, heat storage water tank first delivery port is connected with the input of solar hot water heat collector group by the 3rd thermal-arrest circulation pipe, 3rd thermal-arrest circulation pipe is arranged the 7th magnetic valve, the first water pump, the second thermal-arrest circulation pipe arranges the first magnetic valve;
Described new aquaculture water heating system is made up of two parts, Part I comprises the 6th water pump, residual-heat exchanger, 6th magnetic valve, aquaculture water heat exchanger, 5th magnetic valve, aquaculture water prepares pond and culturing pool, described aquaculture water heat exchanger is placed in heat storage water tank, aquaculture water first pipeline is entered after aquaculture water is sent into afterheat heat exchanger by the 6th water pump, aquaculture water first pipeline connects the input of aquaculture water heat exchanger, the output termination aquaculture water of aquaculture water heat exchanger prepares first water inlet in pond, aquaculture water second pipe connects aquaculture water and prepares pond second water inlet, aquaculture water first pipeline is arranged the 6th magnetic valve, aquaculture water second pipe is arranged the 5th magnetic valve, aquaculture water prepares pond delivery port and connects culturing pool, the waste water of discharging from culturing pool flows into wastewater disposal basin through residual heat exchanger, Part II comprises the second heat pump, soil storage radiator, aquaculture water prepares pond and heat exchanger, when the temperature in aquaculture water preparation in winter pond is lower than time temperature required, controller starts the second heat pump, water at low temperature entrance and the water at low temperature outlet of the second heat pump are connected the two ends of soil storage radiator respectively, the high-temperature water outlet of the second heat pump is connected heat exchanger with high-temperature water entrance, heat exchanger two ends are connected to water inlet and the delivery port that aquaculture water prepares pond respectively, the connecting pipe that heat exchanger and aquaculture water prepare pond arranges the second water pump, the connecting pipe of the second heat pump and heat exchanger is arranged the 3rd water pump, the connecting pipe that second heat pump and soil store up radiator arranges the 5th water pump,
The described soil side of storage hot systems comprises solar hot water heat collector group, soil storage radiator, when in summer heat collector group, hot water temperature is higher than 40 DEG C, controller cuts out the first magnetic valve, open the second magnetic valve, the input that the output of solar hot water heat collector group stores up radiator by the first thermal-arrest circulation pipe and soil is connected, and the output of soil storage radiator is connected with the input of solar hot water heat collector group through the 4th thermal-arrest circulation pipe, the first water pump.
Described soil storage radiator adopts horizontally disposed ground heat exchanger, or vertically disposed ground heat exchanger.
Long 38.5 meters of described culturing chamber, wide 11.4 meters, enclosure wall is high 0.6 meter, and center is high 2 meters, described culturing pool is turtle culture pond, there are 20, long 3.7 meters of each turtle culture pond, wide 5 meters, high 0.6 meter, water level is high 0.45 meter, and described soil storage radiator is arranged at culturing chamber underground, is horizontal ground heat exchanger.
The heat collector area of solar hot water heat collector group is 80 square metres, solar energy air heat collector group erection space is 50 square metres, and the volume of heat storage water tank is 6000 liters, and the power of the first heat pump is 1000W, the power of the second heat pump is 4000W, and the volume that aquaculture water prepares pond is 10 cubic metres.
Compared with prior art the invention has the beneficial effects as follows: owing to adopting technique scheme, in described solar energy/direct heating system of heat pump air, the output of solar energy air heat collector group is by the first air circulating umbilical, second air circulating umbilical is directly connected with the input of blower fan, 3rd air circulating umbilical, 4th air circulating umbilical is directly connected with the input of solar energy air heat collector group, this structural improvement, change the mode of heating of cultivation room air and new aquaculture water, do not need first hydrophily Jie in heat storage water tank to be heated to the temperature of setting, and then be circulated to air heater by the air in air heater heating culturing chamber by hydrophily Jie, and the air heater eliminated in prior art in culturing pool, the structure improved, hot-air is carried directly in culturing chamber, the intermediate link of heat exchange can be reduced, the specific heat of air is little, easy heating, heat utilization rate is high.Same, cultivation room air to enter in the first heat pump from air intake through the 3rd air circulating umbilical and heats up, air after intensification is extracted out from the air outlet slit of the first heat pump by blower fan, sends into culturing chamber inner through the second air circulating umbilical, is also the same beneficial effect.In addition, the low temperature side of the first heat pump is directly connected with the two ends that soil stores up radiator with the second hot-water circulation pipe by the first hot-water circulation pipe, forming one for the first heat pump provides the circulation of low-temperature heat source, decrease in prior art the water first heated in heat storage water tank, then heated the intermediate heat exchange links such as new aquaculture water by aquaculture water heat exchanger, improve the utilization rate of underground heat, reach better energy-saving effect.In described new aquaculture water heating system, when the temperature in aquaculture water preparation in winter pond is lower than time temperature required, controller starts the second heat pump, water at low temperature entrance and the water at low temperature outlet of the second heat pump are connected the two ends of soil storage radiator respectively, the high-temperature water outlet of the second heat pump is connected heat exchanger with high-temperature water entrance, heat exchanger two ends are connected to water inlet and the delivery port that aquaculture water prepares pond respectively, the improvement of this structure, decrease in prior art and heat the intermediate heat such as heat storage water tank, aquaculture water heat exchanger exchange link, heat transfer efficiency is higher, and energy-saving effect is better.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
In order to make technical scheme of the present invention more clear, below in conjunction with accompanying drawing 1, the present invention is described in detail.Should be understood that, the detailed description of the invention described in this description is only used to explain the present invention, is not to limit protection scope of the present invention.
The present invention be a kind of greenhouse cultivation water and air walk abreast heating solar energy-heat pump combining heating system, comprise solar water heating system, the soil side of storage hot systems and controller, draw together solar energy/direct heating system of heat pump air and new aquaculture water heating system, described solar energy/direct heating system of heat pump air comprises solar energy air heat collector group 2, first heat pump 3, blower fan 5, the output of described solar energy air heat collector group 2 is by the first air circulating umbilical K1, second air circulating umbilical K2 is connected to the input of blower fan 5, 3rd air circulating umbilical K3, 4th air circulating umbilical K4 is connected to the input of solar energy air heat collector group 2, 3rd magnetic valve D3 is set between the first air circulating umbilical K1 and the second air circulating umbilical K2, 4th magnetic valve D4 is set between the 3rd air circulating umbilical K3 and the 4th air circulating umbilical K4, when the air themperature of indoor is lower than design temperature, described controller cuts out the 3rd magnetic valve D3 and the 4th magnetic valve D4, start the first heat pump 3, first heat pump 3 is connected with the two ends that soil stores up radiator 7 with the second hot-water circulation pipe R2 by the first hot-water circulation pipe R1, first hot-water circulation pipe R1 meets the low temperature water inlet 3a of the first heat pump 3, second hot-water circulation pipe R2 meets the low temperature delivery port 3a ' of the first heat pump 3, forming one for the first heat pump 3 provides the circulation of low-temperature heat source, first hot-water circulation pipe R1 is arranged the 4th water pump B4, in culturing chamber 4, air to enter in the first heat pump 3 from air intake 3b through the 3rd air circulating umbilical K3 and heats up, air after intensification is extracted out from the air outlet slit 3b ' of the first heat pump 3 by blower fan 5, culturing chamber 4 is sent into inner through the second air circulating umbilical K2, described solar water heating system comprises solar hot water heat collector group 1, heat storage water tank 14, the output of described solar hot water heat collector group 1 is connected with heat storage water tank 14 first water inlet 14a by the second thermal-arrest circulation pipe J2, heat storage water tank 14 first delivery port 14a ' is connected with the input of solar hot water heat collector group 1 by the 3rd thermal-arrest circulation pipe J3,3rd thermal-arrest circulation pipe J3 is arranged the 7th magnetic valve D7, the first water pump B1, the second thermal-arrest circulation pipe J2 arranges the first magnetic valve D1, described new aquaculture water heating system is made up of two parts, Part I comprises the 6th water pump B6, residual-heat exchanger 9, 6th magnetic valve D6, aquaculture water heat exchanger 13, 5th magnetic valve D5, aquaculture water prepares pond 12 and culturing pool 6, described aquaculture water heat exchanger 13 is placed in heat storage water tank 14, aquaculture water first pipeline h1 is entered after aquaculture water is sent into afterheat heat exchanger 9 by the 6th water pump B6, aquaculture water first pipeline h1 connects the input of aquaculture water heat exchanger 13, the output termination aquaculture water of aquaculture water heat exchanger 13 prepares the first water inlet 11b in pond 12, aquaculture water second pipe h2 connects aquaculture water and prepares pond 12 second water inlet 12c, aquaculture water first pipeline h1 arranges the 6th magnetic valve D6, aquaculture water second pipe h2 is arranged the 5th magnetic valve D5, aquaculture water prepares pond 12 delivery port and connects culturing pool 6, the waste water of discharging from culturing pool 6 flows into wastewater disposal basin 8 through residual heat exchanger 9, Part II comprises the second heat pump 10, soil storage radiator 7, aquaculture water prepares pond 12 and heat exchanger 11, when the temperature in aquaculture water preparation in winter pond 12 is lower than time temperature required, controller starts the second heat pump 10, water at low temperature entrance 10a and the water at low temperature outlet 10a ' of the second heat pump 10 are connected the two ends of soil storage radiator 7 respectively, the high-temperature water outlet 10b ' of the second heat pump 10 is connected heat exchanger 11 with high-temperature water entrance 10b, heat exchanger 11 two ends are connected to water inlet 12a and the delivery port 12a ' that aquaculture water prepares pond 12 respectively, the connecting pipe that heat exchanger 11 and aquaculture water prepare pond 12 arranges the second water pump B2, second heat pump 10 and the connecting pipe of heat exchanger 11 arrange the 3rd water pump B3, the connecting pipe that second heat pump 10 and soil store up radiator 7 arranges the 5th water pump B5, the described soil side of storage hot systems comprises solar hot water heat collector group 1, soil storage radiator 7, when in summer heat collector group, hot water temperature is higher than 40 DEG C, controller cuts out the first magnetic valve D1, open the second magnetic valve D2, the output of solar hot water heat collector group 1 is connected with the input that soil stores up radiator 7 by the first thermal-arrest circulation pipe J1, and the output of soil storage radiator 7 is connected with the input of solar hot water heat collector group 1 through the 4th thermal-arrest circulation pipe J4, the first water pump B1.
Preferably, described soil storage radiator 7 adopts horizontally disposed ground heat exchanger, or vertically disposed ground heat exchanger.Long 38.5 meters of described culturing chamber 4, wide 11.4 meters, enclosure wall is high 0.6 meter, and center is high 2 meters, described culturing pool 6 is turtle culture pond, there are 20, long 3.7 meters of each turtle culture pond, wide 5 meters, high 0.6 meter, water level is high 0.45 meter, and described soil storage radiator 7 is arranged at culturing chamber 4 underground, is horizontal ground heat exchanger.The heat collector area of solar hot water heat collector group 1 is 80 square metres, solar energy air heat collector group 2 erection space is 50 square metres, the volume of heat storage water tank 14 is 6000 liters, the power of the first heat pump 3 is 1000W, the power of the second heat pump 10 is 4000W, and the volume that aquaculture water prepares pond 12 is 10 cubic metres.
Claims (4)
1. a greenhouse cultivation water and air walks abreast the solar energy-heat pump combining heating system of heating, comprise solar water heating system, the soil side of storage hot systems and controller, it is characterized in that: also comprise solar energy/direct heating system of heat pump air and new aquaculture water heating system
Described solar energy/direct heating system of heat pump air comprises solar energy air heat collector group (2), first heat pump (3), blower fan (5), the output of described solar energy air heat collector group (2) is by the first air circulating umbilical (K1), second air circulating umbilical (K2) is connected to the input of blower fan (5), 3rd air circulating umbilical (K3), 4th air circulating umbilical (K4) is connected to the input of solar energy air heat collector group (2), 3rd magnetic valve (D3) is set between the first air circulating umbilical (K1) and the second air circulating umbilical (K2), 4th magnetic valve (D4) is set between the 3rd air circulating umbilical (K3) and the 4th air circulating umbilical (K4), when the air themperature of indoor is lower than design temperature, described controller cuts out the 3rd magnetic valve (D3) and the 4th magnetic valve (D4), start the first heat pump (3), first heat pump (3) is connected with the two ends that soil stores up radiator (7) with the second hot-water circulation pipe (R2) by the first hot-water circulation pipe (R1), first hot-water circulation pipe (R1) connects the low temperature water inlet (3a) of the first heat pump (3), second hot-water circulation pipe (R2) connects the low temperature delivery port (3a ') of the first heat pump (3), form a circulation being the first heat pump (3) and low-temperature heat source is provided, first hot-water circulation pipe (R1) is arranged the 4th water pump (B4), culturing chamber (4) interior air to enter in the first heat pump (3) from air intake (3b) through the 3rd air circulating umbilical (K3) and heats up, air after heating up is extracted out from the air outlet slit of the first heat pump (3) (3b ') by blower fan (5), culturing chamber (4) is sent into inner through the second air circulating umbilical (K2),
Described solar water heating system comprises solar hot water heat collector group (1), heat storage water tank (14), the output of described solar hot water heat collector group (1) is connected with heat storage water tank (14) first water inlet (14a) by the second thermal-arrest circulation pipe (J2), heat storage water tank (14) first delivery port (14a ') be connected with the input of solar hot water heat collector group (1) by the 3rd thermal-arrest circulation pipe (J3), 3rd thermal-arrest circulation pipe (J3) is arranged the 7th magnetic valve (D7), first water pump (B1), second thermal-arrest circulation pipe (J2) arranges the first magnetic valve (D1),
Described new aquaculture water heating system is made up of two parts, Part I comprises the 6th water pump (B6), residual-heat exchanger (9), 6th magnetic valve (D6), aquaculture water heat exchanger (13), 5th magnetic valve (D5), aquaculture water prepares pond (12) and culturing pool (6), described aquaculture water heat exchanger (13) is placed in heat storage water tank (14), aquaculture water first pipeline (h1) is entered after aquaculture water is sent into afterheat heat exchanger (9) by the 6th water pump (B6), aquaculture water first pipeline (h1) connects the input of aquaculture water heat exchanger (13), the output termination aquaculture water of aquaculture water heat exchanger (13) prepares first water inlet (11b) in pond (12), aquaculture water second pipe (h2) connects aquaculture water and prepares pond (12) second water inlet (12c), aquaculture water first pipeline (h1) is arranged the 6th magnetic valve (D6), aquaculture water second pipe (h2) is arranged the 5th magnetic valve (D5), aquaculture water prepares pond (12) delivery port and connects culturing pool (6), the waste water of discharging from culturing pool (6) flows into wastewater disposal basin (8) through residual heat exchanger (9), Part II comprises the second heat pump (10), soil storage radiator (7), aquaculture water prepares pond (12) and heat exchanger (11), when the temperature in aquaculture water preparation pond in winter (12) is lower than time temperature required, controller starts the second heat pump (10), the water at low temperature entrance (10a) of the second heat pump (10) and water at low temperature outlet (10a ') is connected the two ends that soil stores up radiator (7) respectively, high-temperature water outlet (10b ') of the second heat pump (10) is connected heat exchanger (11) with high-temperature water entrance (10b), heat exchanger (11) two ends are connected to water inlet (12a) and the delivery port (12a ') that aquaculture water prepares pond (12) respectively, the connecting pipe that heat exchanger (11) and aquaculture water prepare pond (12) arranges the second water pump (B2), second heat pump (10) and the connecting pipe of heat exchanger (11) arrange the 3rd water pump (B3), the connecting pipe that second heat pump (10) and soil store up radiator (7) arranges the 5th water pump (B5),
The described soil side of storage hot systems comprises solar hot water heat collector group (1), soil storage radiator (7), when in summer heat collector group, hot water temperature is higher than 40 DEG C, controller cuts out the first magnetic valve (D1), open the second magnetic valve (D2), the output of solar hot water heat collector group (1) is connected with the input that soil stores up radiator (7) by the first thermal-arrest circulation pipe (J1), and the output of soil storage radiator (7) is connected with the input of solar hot water heat collector group (1) through the 4th thermal-arrest circulation pipe (J4), the first water pump (B1).
2. greenhouse cultivation water and air according to claim 1 walks abreast the solar energy-heat pump combining heating system of heating, it is characterized in that: described soil storage radiator (7) adopts horizontally disposed ground heat exchanger, or vertically disposed ground heat exchanger.
3. greenhouse cultivation water and air according to claim 1 walks abreast the solar energy-heat pump combining heating system of heating, it is characterized in that: described culturing chamber (4) is long 38.5 meters, wide 11.4 meters, enclosure wall is high 0.6 meter, center is high 2 meters, and described culturing pool (6) is turtle culture pond, has 20, long 3.7 meters of each turtle culture pond, wide 5 meters, high 0.6 meter, water level is high 0.45 meter, described soil storage radiator (7) is arranged at culturing chamber (4) underground, is horizontal ground heat exchanger.
4. greenhouse cultivation water and air according to claim 3 walk abreast heating solar energy-heat pump combining heating system, it is characterized in that: the heat collector area of solar hot water heat collector group (1) is 80 square metres, solar energy air heat collector group (2) erection space is 50 square metres, the volume of heat storage water tank (14) is 6000 liters, the power of the first heat pump (3) is 1000W, the power of the second heat pump (10) is 4000W, and the volume that aquaculture water prepares pond (12) is 10 cubic metres.
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| CN201510118548.0A CN104764213B (en) | 2015-03-18 | 2015-03-18 | The solar energy-heat pump combining heating system that greenhouse cultivation water and air heats parallel |
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| CN201510118548.0A CN104764213B (en) | 2015-03-18 | 2015-03-18 | The solar energy-heat pump combining heating system that greenhouse cultivation water and air heats parallel |
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| CN104764213B CN104764213B (en) | 2016-08-24 |
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Cited By (2)
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| CN112385597A (en) * | 2020-11-24 | 2021-02-23 | 广东海洋大学 | Culture pond system with circulation water temperature is adjusted |
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| CN202722285U (en) * | 2012-08-16 | 2013-02-13 | 昆明理工大学 | Aquaculture greenhouse heat supply apparatus |
| CN104315631A (en) * | 2014-10-13 | 2015-01-28 | 虞益江 | Automatic regulation and control type culture system |
| CN204593895U (en) * | 2015-03-18 | 2015-08-26 | 浙江大学 | Greenhouse cultivation water and air walk abreast heating solar energy-heat pump united heating system |
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| JP2009198102A (en) * | 2008-02-22 | 2009-09-03 | Kajima Corp | Geothermal heat using device and its control method |
| CN101275783A (en) * | 2008-05-05 | 2008-10-01 | 浙江大学 | Solar energy-water source heat pump combining heating system for factory production turtle-breeding field |
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| CN108036387A (en) * | 2017-12-05 | 2018-05-15 | 吉林建筑大学 | One kind is suitable for severe cold area grange united heat heating system |
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| CN112385597B (en) * | 2020-11-24 | 2023-08-04 | 广东海洋大学 | Culture pond system with circulation water temperature adjusting function |
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| CN104764213B (en) | 2016-08-24 |
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