CN102578028A - Cold-hot water unit and system of water source heat pump for recovering afterheat of waste water from sea farming and seedling - Google Patents
Cold-hot water unit and system of water source heat pump for recovering afterheat of waste water from sea farming and seedling Download PDFInfo
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- CN102578028A CN102578028A CN2012100630952A CN201210063095A CN102578028A CN 102578028 A CN102578028 A CN 102578028A CN 2012100630952 A CN2012100630952 A CN 2012100630952A CN 201210063095 A CN201210063095 A CN 201210063095A CN 102578028 A CN102578028 A CN 102578028A
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The invention relates to a cold-hot water unit and a system of a water source heat pump in the field of energy sources technology, in particular to the cold-hot water unit and the system of the water source heat pump for cooling and heating sea water in sea farming and seedling and in other industrial or civil use. The cold-hot water unit of the water source heat pump comprises a pre-heat heat exchanger, a seawater source heat pump unit, a hot water storing tank, a culture pond, a waste water storing tank, a waste water submersible pump, a water supply valve, a filtering sand remover, a seawater submersible pump, a filter and a seawater circulating pump. A heating function in winter and a cooling function in summer are realized by switching valves. In this way, the cold-hot water unit and the system of the water source heat pump can fully recover energy from waste water discharged from sea farming so as to improve the heat transfer efficiency of the heat pump unit and save the operation cost.
Description
Technical field
The present invention relates to a kind of water resource heat pump hot and cold water unit and system thereof that belongs to energy technology field, especially mariculture is grown seedlings and water resource heat pump hot and cold water unit and system thereof that other industry and civilian middle seawater cool off and heat.
Background technology
The mariculture control water temperature of growing seedlings is very important, and sea cucumber is grown seedlings requires water temperature at 16～23 ℃, and growing seedlings for marine fish (like turbot) requires water temperature at 12～20 ℃, and shrimps, shellfish hatchery require water temperature at 22～25 ℃.Generally speaking, be seawater seed rearing season May in December to the coming year, and this moment, the coastal waters water temperature was 0～10 ℃, need heat up to seawater; Summer 7, August, ocean temperature surpassed 25 ℃, needed lower the temperature to seawater.
We know, mariculture is at present grown seedlings, and to add the main mode that hot sea water adopts be to adopt the coal-burning boiler heating, has the shortcoming that efficient is low, environmental pollution is serious and floor space is big.
The main mode that cooling is adopted to seawater is to adopt air-cooled or water-cooled unit, exists investment big, the shortcoming that operating cost is high.
In addition, the mariculture hot and cold water of growing seedlings adopts while mending and arranges the running water mode, and the significant amount of energy that contains in the waste water of discharging runs off in vain, and energy waste is serious.For addressing these problems, can adopt mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system, fully reclaim energy in the waste water, dual-use is produced the used hot and cold water of mariculture.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes above-mentioned prior art; Provide a kind of rational in infrastructure; Can fully reclaim the energy in the mariculture waste discharge, have very high efficiency mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system.
The technical scheme of mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system is: a kind of mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system; Comprise: sea, preheating heat exchanger, sea water source heat pump unit, hot water storage pond, breed pond, waste water storage pool, waste water immersible pump, feed water valve, filtration sand cleaning machine, seawater immersible pump, filter, sea water circulating pump, valve one (15), valve two (16), valve three (17), valve four (18), valve five (19), valve six (20), valve seven (21), valve eight (22), discharge outlet, overflow pipe, seawater well, deep well pump, heat pump sand filter, drain ditch, high water level sensor, low water level sensor, water level controller;
Big marine fresh seawater is guided to preheating heat exchanger seawater inlet through filtering sand cleaning machine by pipeline through the seawater immersible pump, and preheating heat exchanger seawer outlet pipeline is introduced hot water storage pond inner bottom part;
The waste water immersible pump outlet of waste water storage pool water level bottom links to each other with the preheating heat exchanger waterwater entrance through filter; The preheating heat exchanger wastewater outlet is taken over and divided dual mode: a kind of is to take over to divide two-way; One the tunnel links to each other with sea water source heat pump evaporator seawater entrance pipe through valve eight (22), and another road links to each other with sea water source heat pump condenser seawater entrance pipe through valve seven (21); The another kind of adapter links to each other with the filter discharge pipe line; The deep well pump export pipeline links to each other with heat pump sand filter inlet in the seawater well; Heat pump sand filter discharge connection divides two-way; One the tunnel links to each other with sea water source heat pump evaporator seawater entrance pipe through valve eight (22), and another road links to each other with sea water source heat pump condenser seawater entrance pipe through valve seven (21);
Sea water source heat pump evaporator seawer outlet pipeline divides two-way, and one the tunnel links to each other with the discharge pipe line that leads to the sea through valve six (20), and another road links to each other with top, hot water storage pond hot water inlet's pipeline through valve two (16);
Sea water source heat pump condenser seawater entrance pipe divides two-way, the one tunnel through valve four (18) be connected bottom, hot water storage pond sea water circulating pump export pipeline and link to each other, another road links to each other with sea water source heat pump evaporator seawater entrance pipe through valve three (17);
Sea water source heat pump condenser seawer outlet pipeline divides two-way, and one the tunnel links to each other with the discharge pipe line that leads to the sea through valve five (19), and another road links to each other with top, hot water storage pond hot water inlet's pipeline through valve one (15);
Middle part, hot water storage pond is established hot water outlet and is introduced breed top, pond through pipeline, and inlet is established feed water valve, and bottom, hot water storage pond is higher than cultures top, pond water level;
Filtration sand cleaning machine, filter all link to each other with the discharge pipe line that leads to the sea with heat pump sand filter lower bank water lines;
Culture the bottom, pond and establish discharge outlet, discharge outlet is inserted the draining overflow pipe, and the mouth of pipe and culturing pool face flush, and discharge outlet is introduced the drain ditch by pipeline, guides to the waste water storage pool through pipeline again, cultures the bottom, pond and is higher than waste water storage pool top water level, and culturing the pond is a plurality of combinations.
The control device of said mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system is established water level controller and is connected high and low level sensor and seawater immersible pump power control line.
The sea water source heat pump condenser of said mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system and evaporator adopt the anti-seawater corrosion material.
The equipment of said mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system and pipeline adopt the anti-seawater corrosion material.
The seawater well of said mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system is the well-digging on the seashore limit, and seawater well filter pipe layer of sand of living in is the layer of sand of good water permeability, can permeate the seawater of coming smoothly through the deep well pump suction.
The operation principle of mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system is:
One, winter heating:
The warm waste seawater that has in the waste water immersible pump transport wastewater storage pool gets into preheating heat exchanger heat release side after filter filters; Carry out heat exchange with the fresh low temperature seawater that gets into the big marine seawater immersible pump conveying of preheating heat exchanger heat absorbing side through filtering after sand cleaning machine filters; Fresh seawater temperature after the heat exchange improves, and enters into bottom, hot water storage pond then;
Open valve one (15), valve three (17), valve five (19) and valve eight (22); Valve-off two (16), valve four (18), valve six (20) and valve seven (21); The seawater that deep well pump is discharged in waste seawater after preheating heat exchanger once absorbs heat or the seawater well gets into sea water source heat pump evaporator secondary heat release circular flow, and the low temperature waste seawater after the heat release enters the sea; Seawater after the preheating of bottom, hot water storage pond cold-producing medium liberated heat in sea water circulating pump pressurization entering sea water source heat pump condenser absorption sea water source heat pump unit refrigerant line is got back to middle part, hot water storage pond; Up to reaching the design temperature upper limit; Close the source pump compressor earlier, and then close sea water circulating pump, waste water immersible pump or deep well pump;
Open feed water valve, the hot sea water in the hot water storage pond is put into and is cultured the pond, and the water level of culturing in the pond reaches the draining overflow mouth of pipe, and unnecessary seawater overflow gets into overflow pipe and flows into the drain ditch again, enters the waste water storage pool then; Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters the waste water storage pool then;
Discharge along with culturing pond waste water; The hot water storage pool water level drops to low water level sensor; Start seawater immersible pump and waste water immersible pump through water level controller; Fresh seawater is added to bottom, hot water storage pond through the preheating heat exchanger preheating, and the hot water storage pool water level rises to high water level sensor, and water level controller cuts out the seawater immersible pump;
Ocean temperature drops to the design temperature lower limit when bottom, hot water storage pond; Start sea water circulating pump and waste water immersible pump or deep well pump; Restart sea water source heat pump unit circulation heating; Ocean temperature is raised to the design temperature upper limit when bottom, hot water storage pond, closes sea water source heat pump unit, sea water circulating pump and waste water immersible pump or deep well pump.
Two, freeze summer:
Low temperature waste seawater in the waste water immersible pump transport wastewater storage pool gets into the preheating heat exchanger heat absorbing side after filter filters; Carry out heat exchange with the fresh high temperature seawater that gets into the big marine seawater immersible pump conveying of preheating heat exchanger heat release side through filtering after sand cleaning machine filters; Fresh seawater temperature after the heat exchange reduces, and enters into bottom, hot water storage pond then;
Valve-off one (15), valve three (17), valve five (19) and valve eight (22); Open valve two (16), valve four (18), valve six (20) and valve seven (21); The seawater that deep well pump is discharged in waste seawater after preheating heat exchanger once absorbs heat or the seawater well gets into sea water source heat pump condenser secondary heat absorption circular flow, and the high temperature waste seawater after the heat absorption enters the sea; Seawater after the precooling of bottom, hot water storage pond gets into the heat release of sea water source heat pump evaporator through the sea water circulating pump pressurization and gets back to middle part, hot water storage pond to cold-producing medium in the sea water source heat pump unit refrigerant line; Up to reaching the design temperature lower limit; Close the source pump compressor earlier, and then close sea water circulating pump, waste water immersible pump or deep well pump;
Open feed water valve, the seawater in the hot water storage pond is put into and is cultured the pond, and the water level of culturing in the pond reaches the draining overflow mouth of pipe, and unnecessary seawater overflow gets into overflow pipe and flows into the drain ditch again, enters the waste water storage pool then;
Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters the waste water storage pool then; Discharge along with culturing pond waste water; The hot water storage pool water level drops to low water level sensor, starts seawater immersible pump and waste water immersible pump, and fresh seawater is added to bottom, hot water storage pond after the preheating heat exchanger precooling; The hot water storage pool water level rises to high water level sensor, closes the seawater immersible pump;
Ocean temperature is raised to the design temperature upper limit when bottom, hot water storage pond; Start sea water circulating pump and waste water immersible pump or deep well pump; Restart sea water source heat pump unit circulation cooling; Ocean temperature drops to the design temperature lower limit when bottom, hot water storage pond, closes sea water source heat pump unit, sea water circulating pump and waste water immersible pump or deep well pump.
Technical characterstic of the present invention comprises:
1, dual-use, winter and summer can realize heating to seawater winter through the valve conversion, and summer is to the function of seawater cooling.
2, two-stage heat exchange, the one-level preheating heat exchanger carried out a heat exchange with the waste seawater of culturing the pond discharging with fresh seawater earlier before getting into the hot water storage pond, fully absorb the waste heat in the waste seawater.
3, the sea water source heat pump unit is adopted in the secondary heat exchange, and growing seedlings because of mariculture need heat temperature winter and be lower than 25 ℃, needs summer cryogenic temperature to be higher than 20 ℃, and source pump efficient is higher than and is used in the building and heating air-conditioning, is more suitable for source pump and uses.
These measures, not only energy loss is few to make mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system,, efficient and performance improve greatly, and energy-saving effect is remarkable, and pollution-free waste discharge, and environmental benefit is big.
Description of drawings
Fig. 1 is mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system embodiment one sketch map
Fig. 2 is mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system embodiment two sketch mapes
Fig. 3 is mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system's breed pond layout sketch map
Fig. 4 is mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system's breed pond draining overflow pipe sketch map
Among the figure: 1, sea, 2, preheating heat exchanger, 3, the sea water source heat pump unit, 4, the hot water storage pond, 5, culture the pond, 6, the waste water storage pool; 7, waste water immersible pump, 8, feed water valve, 9, filter sand cleaning machine, 10, the seawater immersible pump, 11, filter; 12, sea water circulating pump, 13, sea water source heat pump unit evaporator, 14, sea water source heat pump unit condenser, 15, valve one (15), 16, valve two (16); 17, valve three (17), and 18, valve four (18), 19, valve five (19), 20, valve six (20), 21, valve seven (21); 22, valve eight (22), and 23, the drain ditch, 24, the seawater well, 25, deep well pump, 26, the heat pump sand filter; 27, discharge outlet, 28, overflow pipe, 29, high water level sensor, 30, low water level sensor, 31, water level controller.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is further specified:
Embodiment one:
As shown in Figure 1, this mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system contain: sea 1, preheating heat exchanger 2, sea water source heat pump unit 3, hot water storage pond 4, breed pond 5, waste water storage pool 6, waste water immersible pump 7, feed water valve 8, filtration sand cleaning machine 9, seawater immersible pump 10, filter 11, sea water circulating pump 12, valve one (15) 15, valve two (16) 16, valve three (17) 17, valve four (18) 18, valve five (19) 19, valve six (20) 20, valve seven (21) 21, valve eight (22) 22, drain ditch 23, discharge outlet 27, overflow pipe 28, high water level sensor 29, low water level sensor 30, water level controller 31; Sea water source heat pump unit 3 contains: sea water source heat pump unit evaporator 13, sea water source heat pump unit condenser 14;
Fresh seawater is guided to preheating heat exchanger 2 seawater inlet through filtering sand cleaning machine 9 by pipeline through seawater immersible pump 10 in the sea 1, and preheating heat exchanger 2 seawer outlet pipelines are introduced hot water storage pond 4 inner bottom parts;
Waste water immersible pump 7 outlets of waste water storage pool 6 water level bottoms link to each other with preheating heat exchanger 2 waterwater entrances through filter 11; Preheating heat exchanger 2 wastewater outlets are taken over and are divided two-way; One the tunnel links to each other with sea water source heat pump evaporator 14 seawater entrance pipes through valve eight (22) 22, and another road links to each other with sea water source heat pump condenser 13 seawater entrance pipes through valve seven (21) 21;
Sea water source heat pump evaporator 14 seawer outlet pipelines divide two-way, and one the tunnel links to each other with the discharge pipe line that leads to sea 1 through valve six (20) 20, and another road links to each other with hot water storage pond 4 top hot water inlet's pipelines through valve two (16) 16;
Sea water source heat pump condenser 13 seawater entrance pipes divide two-way, the one tunnel through valve four (18) 18 be connected hot water storage pond 4 bottom sea water circulating pumps, 10 export pipelines and link to each other, another road links to each other with sea water source heat pump evaporator 14 seawater entrance pipes through valve three (17) 17;
Sea water source heat pump condenser 13 seawer outlet pipelines divide two-way, and one the tunnel links to each other with the discharge pipe line that leads to sea 1 through valve five (19) 19, and another road links to each other with hot water storage pond 4 top hot water inlet's pipelines through valve one (15) 15;
4 middle parts, hot water storage pond are established hot water outlet and are introduced breed 5 tops, pond through pipeline, and inlet is established feed water valve 8, and 4 bottoms, hot water storage pond are higher than cultures pond 5 top water levels;
Filtering sand cleaning machine 9 all links to each other with the discharge pipe line that leads to sea 1 with filter 11 lower bank water lines;
The course of work of the present invention is:
One, winter heating: Open valve one (15) 15, valve three (17) 17, valve five (19) 19 and valve eight (22) 22, valve-off two (16) 16, valve four (18) 18, valve six (20) 20 and valve seven (21) 21.
1, first moisturizing: grow seedlings when requiring temperature when ocean temperature is not less than mariculture; Hot water storage pond 4 water levels are lower than low water level sensor 30; Water level controller 31 starts seawater immersible pump 10; Fresh seawater is added to 4 bottoms, hot water storage pond through preheating heat exchanger 2, and hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10; Open feed water valve 8, the hot sea water in the hot water storage pond 4 is put into and is cultured pond 5, and the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters waste water storage pool 6 then; Discharge along with culturing pond 5 waste water, hot water storage pond 4 water level depression are to low water level sensor 30, and water level controller 31 starts seawater immersible pump 10 once more, and 4 water levels rise to high water level sensor 29 up to the hot water storage pond, close seawater immersible pump 10.
2, first heating; Grow seedlings and require temperature when ocean temperature is lower than mariculture; Hot water storage pond 4 bottom ocean temperatures drop to design temperature; Start sea water circulating pump 12 and waste water immersible pump 7; Restart the 3 circulation heating of sea water source heat pump unit, the waste seawater behind preheating heat exchanger 2 gets into the 14 secondary heat release circular flows of sea water source heat pump evaporator, and the low temperature waste seawater after the heat release enters sea 1; Seawater after the preheating of 4 bottoms, hot water storage pond cold-producing medium liberated heat in sea water circulating pump 12 pressurization entering sea water source heat pump condensers 13 absorption sea water source heat pump units 3 refrigerant lines is got back to 4 middle parts, hot water storage pond; 6 bottom ocean temperatures are raised to the design temperature upper limit when the hot water storage pond, close sea water source heat pump unit 3, sea water circulating pump 12 and waste water immersible pump 7.
3, one-level heat transfer process: along with the hot sea water in the hot water storage pond 4 is put into breed pond 5, the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Discharge along with culturing pond 5 waste water; Hot water storage pond 4 water level depression are to low water level sensor 30; Start seawater immersible pump 10 and waste water immersible pump 7, heat exchange is carried out in having warm waste seawater after filter 11 filters, to get into preheating heat exchanger 2 heat release sides and getting into the fresh low temperature seawater through filtering after sand cleaning machine 9 filters that seawater immersible pump 10 is carried in the preheating heat exchanger 2 heat absorbing side sea 1 in the waste water immersible pump 7 transport wastewater storage pools 6; Fresh seawater temperature after the heat exchange is brought up to than low 2～3 ℃ of waste seawater temperature; Enter into 4 bottoms, hot water storage pond then, hot water storage pond 4 water levels rise to high water level sensor 29, close seawater immersible pump 10.
4, secondary heat transfer process: 4 bottom ocean temperatures drop to the design temperature lower limit when the hot water storage pond; Start sea water circulating pump 12 and waste water immersible pump 7; Restart the 3 circulation heating of sea water source heat pump unit; Waste seawater after preheating heat exchanger 2 once absorbs heat gets into the 14 secondary heat release circular flows of sea water source heat pump evaporator, and the low temperature waste seawater after the heat release enters sea 1; Seawater after the preheating of 4 bottoms, hot water storage pond cold-producing medium liberated heat in sea water circulating pump 12 pressurization entering sea water source heat pump condensers 13 absorption sea water source heat pump units 3 refrigerant lines is got back to 4 middle parts, hot water storage pond; Close sea water source heat pump unit 3 earlier up to reaching the design temperature upper limit, and then close sea water circulating pump 12 and waste water immersible pump 7.
Two, freeze summer: valve-off one (15) 15, valve three (17) 17, valve five (19) 19 and valve eight (22) 22, Open valve two (16) 16, valve four (18) 18, valve six (20) 20 and valve seven (21) 21.
1, first moisturizing: do not grow seedlings when requiring temperature when ocean temperature is not higher than mariculture; Hot water storage pond 4 water levels are lower than low water level sensor 30; Water level controller 31 starts seawater immersible pump 10, and fresh seawater after filter 11 filters, is added to 4 bottoms, hot water storage pond through preheating heat exchanger 2 again; Hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10; Open feed water valve 8, the hot sea water in the hot water storage pond 4 is put into and is cultured pond 5, and the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters waste water storage pool 6 then; Discharge along with culturing pond 5 waste water, hot water storage pond 4 water level depression start seawater immersible pump 10 once more to low water level sensor 30, and 4 water levels rise to high water level sensor 29 up to the hot water storage pond, close seawater immersible pump 10.
2, first cooling: grow seedlings and require temperature when ocean temperature is higher than mariculture; Hot water storage pond 4 bottom ocean temperatures are raised to design temperature; Start sea water circulating pump 12 and waste water immersible pump 7; Restart the 3 circulation coolings of sea water source heat pump unit, the waste seawater behind preheating heat exchanger 2 gets into sea water source heat pump condenser 14 secondaries heat absorption circular flow, and the high temperature waste seawater after the heat absorption enters sea 1; Seawater after the precooling of 4 bottoms, hot water storage pond gets into sea water source heat pump evaporators 13 heat releases cold-producing medium in sea water source heat pump unit 3 refrigerant lines through sea water circulating pump 12 pressurization and gets back to 4 middle parts, hot water storage pond; 6 bottom ocean temperatures drop to the design temperature lower limit when the hot water storage pond, close sea water source heat pump unit 3, sea water circulating pump 12 and waste water immersible pump 7.
3, one-level heat transfer process: along with the hot sea water in the hot water storage pond 4 is put into breed pond 5, the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Discharge along with culturing pond 5 waste water; Hot water storage pond 4 water level depression are to low water level sensor 30; Water level controller 31 starts seawater immersible pump 10 and waste water immersible pump 7, and the seawater in the waste water immersible pump 7 transport wastewater storage pools 6 gets into preheating heat exchanger 2 heat absorbing side and gets into the fresh seawater through filtering after sand cleaning machine 9 filters that seawater immersible pump 10 is carried in the preheating heat exchanger 2 heat release side sea 1 and carries out heat exchange after filter 11 filters; Fresh seawater temperature after the heat exchange is reduced to higher 2～3 ℃ than waste seawater temperature; Enter into 4 bottoms, hot water storage pond then, hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10.
4, secondary heat transfer process: 4 bottom ocean temperatures are raised to the design temperature upper limit when the hot water storage pond; Start sea water circulating pump 12 and waste water immersible pump 7; Restart the 3 circulation coolings of sea water source heat pump unit; Waste seawater after 2 heat releases of preheating heat exchanger gets into sea water source heat pump condenser 14 secondaries heat absorption circular flow, and the high temperature waste seawater after the heat absorption enters sea 1; Seawater after the precooling of 4 bottoms, hot water storage pond gets into sea water source heat pump evaporators 13 heat releases cold-producing medium in sea water source heat pump unit 3 refrigerant lines through sea water circulating pump 12 pressurization and gets back to 4 middle parts, hot water storage pond; Close sea water source heat pump unit 3 earlier up to reaching the design temperature lower limit, and then close sea water circulating pump 12 and waste water immersible pump 7.
Embodiment two:
As shown in Figure 2, this mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit of the present invention and system contain: sea 1, preheating heat exchanger 2, sea water source heat pump unit 3, hot water storage pond 4, breed pond 5, wastewater disposal basin 6, waste water immersible pump 7, feed water valve 8, filtration sand cleaning machine 9, seawater immersible pump 10, filter 11, sea water circulating pump 12, valve one (15) 15, valve two (16) 16, valve three (17) 17, valve four (18) 18, valve five (19) 19, valve six (20) 20, valve seven (21) 21, valve eight (22) 22, drain ditch 23, seawater well 24, deep well pump 25, heat pump sand filter 26, discharge outlet 27, overflow pipe 28, high water level sensor 29, low water level sensor 30, water level controller 31; Sea water source heat pump unit 3 contains: sea water source heat pump unit evaporator 13, sea water source heat pump unit condenser 14;
Fresh seawater is guided to preheating heat exchanger 2 seawater inlet through filtering sand cleaning machine 9 by pipeline through seawater immersible pump 10 in the sea 1, and preheating heat exchanger 2 seawer outlet pipelines are introduced hot water storage pond 4 inner bottom parts;
Waste water immersible pump 7 outlets of waste water storage pool 6 water level bottoms link to each other with preheating heat exchanger 2 waterwater entrances through filter 11, and preheating heat exchanger 2 wastewater outlets are taken over and linked to each other with filter 11 discharge pipe lines; Deep well pump 25 export pipelines link to each other with heat pump sand filter 26 inlets in the seawater well 24; Heat pump sand filter 26 discharge connections divide two-way; One the tunnel links to each other with sea water source heat pump evaporator 14 seawater entrance pipes through valve eight (22) 22, and another road links to each other with sea water source heat pump condenser 13 seawater entrance pipes through valve seven (21) 21;
Sea water source heat pump evaporator 14 seawer outlet pipelines divide two-way, and one the tunnel links to each other with the discharge pipe line that leads to sea 1 through valve six (20) 20, and another road links to each other with hot water storage pond 4 top hot water inlet's pipelines through valve two (16) 16;
Sea water source heat pump condenser 13 seawater entrance pipes divide two-way, the one tunnel through valve four (18) 18 be connected hot water storage pond 4 bottom sea water circulating pumps, 10 export pipelines and link to each other, another road links to each other with sea water source heat pump evaporator 14 seawater entrance pipes through valve three (17) 17;
Sea water source heat pump condenser 13 seawer outlet pipelines divide two-way, and one the tunnel links to each other with the discharge pipe line that leads to sea 1 through valve five (19) 19, and another road links to each other with hot water storage pond 4 top hot water inlet's pipelines through valve one (15) 15;
4 middle parts, hot water storage pond are established hot water outlet and are introduced breed 5 tops, pond through pipeline, and inlet is established feed water valve 8, and 4 bottoms, hot water storage pond are higher than cultures pond 5 top water levels;
Filtering sand cleaning machine 9 all links to each other with the discharge pipe line that leads to sea 1 with filter 11 lower bank water lines;
The course of work of the present invention is:
One, winter heating: Open valve one (15) 15, valve three (17) 17, valve five (19) 19 and valve eight (22) 22, valve-off two (16) 16, valve four (18) 18, valve six (20) 20 and valve seven (21) 21.
1, first moisturizing: grow seedlings when requiring temperature when ocean temperature is not less than mariculture; Hot water storage pond 4 water levels are lower than low water level sensor 30; Water level controller 31 starts seawater immersible pump 10; Fresh seawater is added to 4 bottoms, hot water storage pond through preheating heat exchanger 2, and hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10; Open feed water valve 8, the hot sea water in the hot water storage pond 4 is put into and is cultured pond 5, and the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters waste water storage pool 6 then; Discharge along with culturing pond 5 waste water, hot water storage pond 4 water level depression start seawater immersible pump 10 once more to low water level sensor 30, and 4 water levels rise to high water level sensor 29 up to the hot water storage pond, close seawater immersible pump 10.
2, first heating: grow seedlings and require temperature when ocean temperature is lower than mariculture; Hot water storage pond 4 bottom ocean temperatures drop to design temperature; Start sea water circulating pump 12 and deep well pump 25; Restart the 3 circulation heating of sea water source heat pump unit, the seawater that deep well pump 25 is discharged in the seawater well 24 gets into sea water source heat pump evaporator 14 secondaries heat absorption circular flow, and the seawater well seawater after the heat absorption enters sea 1; Seawater after the preheating of 4 bottoms, hot water storage pond cold-producing medium liberated heat in sea water circulating pump 12 pressurization entering sea water source heat pump condensers 13 absorption sea water source heat pump units 3 refrigerant lines is got back to 4 middle parts, hot water storage pond; 6 bottom ocean temperatures are raised to the design temperature upper limit when the hot water storage pond, close sea water source heat pump unit 3, sea water circulating pump 12 and deep well pump 25.
3, one-level heat transfer process: along with the hot sea water in the hot water storage pond 4 is put into breed pond 5, the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Discharge along with culturing pond 5 waste water; Hot water storage pond 4 water level depression are to low water level sensor 30; Water level controller 31 starts seawater immersible pump 10 and waste water immersible pump 7; The warm waste seawater that has in the waste water immersible pump 7 transport wastewater storage pools 6 gets into preheating heat exchanger 2 heat release sides after filter 11 filters; Carry out heat exchange with the fresh low temperature seawater after filtration sand cleaning machine 9 filters that gets into seawater immersible pump 10 conveyings in the preheating heat exchanger 2 heat absorbing side sea 1, the fresh seawater temperature after the heat exchange is brought up to than low 2～3 ℃ of waste seawater temperature, enters into 4 bottoms, hot water storage pond then; Hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10; Waste seawater after preheating heat exchanger 2 once absorbs heat enters sea 1.
4, secondary heat transfer process: 4 bottom ocean temperatures drop to the design temperature lower limit when the hot water storage pond; Start sea water circulating pump 12 and deep well pump 25; Restart the 3 circulation heating of sea water source heat pump unit; The seawater that deep well pump 25 is discharged in the seawater well 24 gets into sea water source heat pump evaporator 14 secondaries heat absorption circular flow, and the seawater well seawater after the heat absorption enters sea 1; Seawater after the preheating of 4 bottoms, hot water storage pond cold-producing medium liberated heat in sea water circulating pump 12 pressurization entering sea water source heat pump condensers 13 absorption sea water source heat pump units 3 refrigerant lines is got back to 4 middle parts, hot water storage pond; Close sea water source heat pump unit 3 earlier up to reaching the design temperature upper limit, and then close sea water circulating pump 12 and deep well pump 25.
Two, freeze summer: valve-off one (15) 15, valve three (17) 17, valve five (19) 19 and valve eight (22) 22, Open valve two (16) 16, valve four (18) 18, valve six (20) 20 and valve seven (21) 21.
1, first moisturizing: do not grow seedlings when requiring temperature when ocean temperature is not higher than mariculture; Hot water storage pond 4 water levels are lower than low water level sensor 30; Water level controller 31 starts seawater immersible pump 10, and fresh seawater after filter 11 filters, is added to 4 bottoms, hot water storage pond through preheating heat exchanger 2 again; Hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10; Open feed water valve 8, the hot sea water in the hot water storage pond 4 is put into and is cultured pond 5, and the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Clean when culturing the pond and can pull out the draining overflow pipe, whole breed pond maritime interior waters can flow into the drain ditch through discharge outlet, enters waste water storage pool 6 then; Discharge along with culturing pond 5 waste water, hot water storage pond 4 water level depression start seawater immersible pump 10 once more to low water level sensor 30, and 4 water levels rise to high water level sensor 29 up to the hot water storage pond, close seawater immersible pump 10.
2, first cooling: grow seedlings and require temperature when ocean temperature is higher than mariculture; Hot water storage pond 4 bottom ocean temperatures are raised to design temperature; Start sea water circulating pump 12 and waste water immersible pump 7; Waste seawater behind preheating heat exchanger 2 gets into sea water source heat pump condenser 14 secondaries heat absorption circular flow, and the high temperature waste seawater after the heat absorption enters sea 1; Seawater after the precooling of 4 bottoms, hot water storage pond gets into sea water source heat pump evaporators 13 heat releases cold-producing medium in sea water source heat pump unit 3 refrigerant lines through sea water circulating pump 12 pressurization and gets back to 4 middle parts, hot water storage pond; Restart the 3 circulation coolings of sea water source heat pump unit; 6 bottom ocean temperatures drop to the design temperature lower limit when the hot water storage pond, close sea water source heat pump unit 3, sea water circulating pump 12 and waste water immersible pump 7.
3, one-level heat transfer process: along with the hot sea water in the hot water storage pond 4 is put into breed pond 5, the water level of culturing pond 5 reaches 28 mouthfuls of draining overflow pipes, and unnecessary seawater overflow gets into overflow pipe 28 and flows into drain ditch 23 again, enters the waste water storage pool then; Discharge along with culturing pond 5 waste water; Hot water storage pond 4 water level depression are to low water level sensor 30; Water level controller 31 starts seawater immersible pump 10 and waste water immersible pump 7, and the seawater in the waste water immersible pump 7 transport wastewater storage pools 6 gets into preheating heat exchanger 2 heat absorbing side and gets into the fresh seawater through filtering after sand cleaning machine 9 filters that seawater immersible pump 10 is carried in the preheating heat exchanger 2 heat release side sea 1 and carries out heat exchange after filter 11 filters; Fresh seawater temperature after the heat exchange is reduced to higher 2～3 ℃ than waste seawater temperature; Enter into 4 bottoms, hot water storage pond then, hot water storage pond 4 water levels rise to high water level sensor 29, and water level controller 31 cuts out seawater immersible pump 10.
4, secondary heat transfer process: 4 bottom ocean temperatures are raised to the design temperature upper limit when the hot water storage pond; Start sea water circulating pump 12 and waste water immersible pump 7; Restart the 3 circulation coolings of sea water source heat pump unit; Waste seawater after 2 heat releases of preheating heat exchanger gets into sea water source heat pump condenser 14 secondaries heat absorption circular flow, and the high temperature waste seawater after the heat absorption enters sea 1; Seawater after the precooling of 4 bottoms, hot water storage pond gets into sea water source heat pump evaporators 13 heat releases cold-producing medium in sea water source heat pump unit 3 refrigerant lines through sea water circulating pump 12 pressurization and gets back to 4 middle parts, hot water storage pond; Close sea water source heat pump unit 3 earlier up to reaching the design temperature lower limit, and then close sea water circulating pump 12 and waste water immersible pump 7.
The above only is a preferred embodiments of the present invention, and is any to the simple adjustment of structure do of the present invention, all should belong in the scope of technical scheme of the present invention.
Claims (5)
1. mariculture breeding wastewater waste heat recovery water resource heat pump hot and cold water unit and system; It is characterized in that: comprise sea, preheating heat exchanger, sea water source heat pump unit, hot water storage pond, culture pond, waste water storage pool, waste water immersible pump, feed water valve, filtration sand cleaning machine, seawater immersible pump, filter, sea water circulating pump, valve one (15), valve two (16), valve three (17), valve four (18), valve five (19), valve six (20), valve seven (21), valve eight (22), discharge outlet, overflow pipe, seawater well, deep well pump, heat pump sand filter, drain ditch, high water level sensor, low water level sensor, water level controller;
Big marine fresh seawater is guided to preheating heat exchanger seawater inlet through filtering sand cleaning machine by pipeline through the seawater immersible pump, and preheating heat exchanger seawer outlet pipeline is introduced hot water storage pond inner bottom part;
The waste water immersible pump outlet of waste water storage pool water level bottom links to each other with the preheating heat exchanger waterwater entrance through filter; The preheating heat exchanger wastewater outlet is taken over and divided dual mode: a kind of is to take over to divide two-way; One the tunnel links to each other with sea water source heat pump evaporator seawater entrance pipe through valve eight (22), and another road links to each other with sea water source heat pump condenser seawater entrance pipe through valve seven (21); The another kind of adapter links to each other with the filter discharge pipe line; The deep well pump export pipeline links to each other with heat pump sand filter inlet in the seawater well; Heat pump sand filter discharge connection divides two-way; One the tunnel links to each other with sea water source heat pump evaporator seawater entrance pipe through valve eight (22), and another road links to each other with sea water source heat pump condenser seawater entrance pipe through valve seven (21);
Sea water source heat pump evaporator seawer outlet pipeline divides two-way, and one the tunnel links to each other with the discharge pipe line that leads to the sea through valve six (20), and another road links to each other with top, hot water storage pond hot water inlet's pipeline through valve two (16);
Sea water source heat pump condenser seawater entrance pipe divides two-way, the one tunnel through valve four (18) be connected bottom, hot water storage pond sea water circulating pump export pipeline and link to each other, another road links to each other with sea water source heat pump evaporator seawater entrance pipe through valve three (17);
Sea water source heat pump condenser seawer outlet pipeline divides two-way, and one the tunnel links to each other with the discharge pipe line that leads to the sea through valve five (19), and another road links to each other with top, hot water storage pond hot water inlet's pipeline through valve one (15);
Middle part, hot water storage pond is established hot water outlet and is introduced breed top, pond through pipeline, and inlet is established feed water valve, and bottom, hot water storage pond is higher than cultures top, pond water level;
Filtration sand cleaning machine, filter all link to each other with the discharge pipe line that leads to the sea with heat pump sand filter lower bank water lines;
Culture the bottom, pond and establish discharge outlet, discharge outlet is inserted the draining overflow pipe, and the mouth of pipe and culturing pool face flush, and discharge outlet is introduced the drain ditch by pipeline, guides to the waste water storage pool through pipeline again, cultures the bottom, pond and is higher than waste water storage pool top water level, and culturing the pond is a plurality of combinations.
2. according to the said mariculture breeding wastewater of claim 1 waste heat recovery water resource heat pump hot and cold water unit and system, it is characterized in that: control device is established water level controller and is connected high and low level sensor and seawater immersible pump power control line.
3. according to the said mariculture breeding wastewater of claim 1 waste heat recovery water resource heat pump hot and cold water unit and system, it is characterized in that: sea water source heat pump condenser and evaporator adopt the anti-seawater corrosion material.
4. according to the said mariculture breeding wastewater of claim 1 waste heat recovery water resource heat pump hot and cold water unit and system, it is characterized in that: equipment and pipeline adopt the anti-seawater corrosion material.
5. according to the said mariculture breeding wastewater of claim 1 waste heat recovery water resource heat pump hot and cold water unit and system; It is characterized in that: the seawater well is for to dig a well on the seashore limit; Seawater well filter pipe layer of sand of living in is the layer of sand of good water permeability, can permeate the seawater of coming smoothly through the deep well pump suction.
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| CN2012100630952A CN102578028A (en) | 2012-03-01 | 2012-03-01 | Cold-hot water unit and system of water source heat pump for recovering afterheat of waste water from sea farming and seedling |
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| CN2012100630952A CN102578028A (en) | 2012-03-01 | 2012-03-01 | Cold-hot water unit and system of water source heat pump for recovering afterheat of waste water from sea farming and seedling |
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| CN103636554A (en) * | 2013-11-28 | 2014-03-19 | 青岛理工大学 | Capillary heat exchange system for seawater culture heat recovery |
| CN105875469A (en) * | 2014-08-22 | 2016-08-24 | 浙江省城乡规划设计研究院 | Adaptive water temperature adjusting stereo culturing farm |
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Application publication date: 20120718 |