CN215012768U - Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture - Google Patents

Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture Download PDF

Info

Publication number
CN215012768U
CN215012768U CN202121102238.7U CN202121102238U CN215012768U CN 215012768 U CN215012768 U CN 215012768U CN 202121102238 U CN202121102238 U CN 202121102238U CN 215012768 U CN215012768 U CN 215012768U
Authority
CN
China
Prior art keywords
water
pump
cooling water
power station
aquaculture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121102238.7U
Other languages
Chinese (zh)
Inventor
张华东
张凯琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Lvleng Thermal Energy Technology Co ltd
Original Assignee
Yantai Lvleng Thermal Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Lvleng Thermal Energy Technology Co ltd filed Critical Yantai Lvleng Thermal Energy Technology Co ltd
Priority to CN202121102238.7U priority Critical patent/CN215012768U/en
Application granted granted Critical
Publication of CN215012768U publication Critical patent/CN215012768U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Farming Of Fish And Shellfish (AREA)

Abstract

The utility model discloses a comprehensive system for applying waste heat of cooling water of a thermal power station to aquaculture, wherein a temperature regulating water tank is connected with a cooling water outlet end of a cooling water system of the power station through a third pump; the temperature regulating water tank is connected with the water inlet end of a condenser of the water source heat pump through a fifth pump, and the water outlet end of the condenser is connected with the temperature regulating water tank through a pipeline; the water outlet end of cooling water of the power station cooling water system is connected with a fourth pump, the water outlet end of the fourth pump is connected with the water inlet end of an evaporator of the water source heat pump through a pipeline, and the water outlet end of the evaporator is connected with a natural water area through a pipeline. The system utilizes the cooling waste heat of the thermal power station to adjust the water temperature of the aquaculture and tail water treatment system, improves the overall efficiency of the aquaculture system and the tail water treatment system, achieves the purpose of comprehensive energy recycling, and can effectively reduce the thermal pollution of cooling water discharge of the power station to the ocean.

Description

Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture
Technical Field
The utility model relates to a heat energy comprehensive utilization system, concretely relates to system that heating power station cooling water waste heat is applied to aquaculture and breed tail water treatment.
Background
In the regions along rivers, lakes and seas, the thermal power station generally adopts water in natural water systems such as rivers, lakes and seas to cool the generator set. The temperature of the low-temperature natural water rises due to the absorption of a large amount of heat after passing through the cooling water system, the cooled high-temperature water after being heated is discharged to the natural water system, and the direct discharge of the cooled water after being heated to the natural water system not only causes energy waste, but also causes heat pollution of the natural water system. On the other hand, in areas along rivers, lakes and seas where fishery is developed, aquaculture in winter needs a large amount of heat energy to adjust the temperature of aquaculture water, and the rapid growth of aquaculture aquatic organisms is guaranteed. Meanwhile, as environmental protection has a mandatory requirement on the discharge index of the culture tail water, the culture tail water needs to be treated, and at present, because the temperature is lower in winter, the temperature of the tail water treatment system is also lower, the digestive flora of the system can not better play the function, and the tail water is difficult to treat and reaches the discharge standard. At present, heating modes such as a boiler, a heat pump and the like are adopted to provide heat energy for an aquaculture system, the energy consumption is huge, and the energy conservation, the environmental protection and the carbon reduction are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a heating power station cooling water waste heat is applied to aquaculture's integrated system is provided, is used for aquaculture and breed tail water treatment temperature with heating power station cooling water waste heat to adjust, ensures its technological requirement's temperature, reaches the energy-concerving and environment-protective purpose of energy circulation comprehensive utilization.
The technical scheme of the utility model as follows:
the comprehensive system for applying the waste heat of the cooling water of the thermal power station to aquaculture comprises a power station cooling water system, a natural water area and an aquaculture workshop, wherein the natural water area is used for providing cooling water for the power station cooling water system; the temperature regulating water tank is connected with a cooling water outlet end of the power station cooling water system through a third pump; the temperature regulating water tank is connected with the water inlet end of a condenser of the water source heat pump through a fifth pump, and the water outlet end of the condenser is connected with the temperature regulating water tank through a pipeline; the water outlet end of cooling water of the power station cooling water system is connected with a fourth pump, the water outlet end of the fourth pump is connected with the water inlet end of an evaporator of the water source heat pump through a pipeline, and the water outlet end of the evaporator is connected with the natural water area through a pipeline.
Preferably, the integrated system further comprises a aquaculture tail water biochemical treatment area for treating aquaculture tail water discharged from the aquaculture workshop; and a cooling water outlet end of a cooling water system of the power station is connected with a sixth pump, and the sixth pump is connected with the culture tail water biochemical treatment area through a pipeline.
Further preferably, a water discharging end of the aquaculture workshop is connected with a culture tail water solid-liquid separation subsystem, and a water discharging end of the culture tail water solid-liquid separation subsystem is connected with the culture tail water biochemical treatment area.
Further preferably, the water discharge end of the culture tail water biochemical treatment area is connected with a tail water ecological culture treatment area.
Still further preferably, a sixth pump is connected with the tail water ecological culture treatment area through a pipeline.
The utility model has the advantages of:
the utility model fully utilizes the cooling waste heat of the thermal power station, and when the temperature of the cooling water meets the temperature of the aquaculture water, the cooling water is used for the aquaculture system in a mixing mode; waste heat in the cooling water is extracted through the water source heat pump when the cooling water temperature is too low to meet the requirement of the aquaculture water temperature, the water temperature used for aquaculture in a heat pump heating mode is adjusted to meet the requirement of the aquaculture water temperature, the purpose of recycling industrial waste heat energy is achieved, the aquaculture water temperature is guaranteed without adopting other energy sources, once discharge is not generated, and the heat pollution of the cooling water discharge of a power plant to a natural water area can be effectively reduced. The utility model discloses can also be used for breeding tail water processing system temperature with thermal power station cooling water through the hybrid mode and adjust.
Secondly, social benefit analysis (energy conservation and emission reduction): the inventor has designed and completed the project of utilizing the integrated system of the utility model, namely the energy-saving and emission-reducing project of the cooling water waste heat of the Hua-Dynasty (Laizhou) power plant in the modern aquaculture park of the tobacco terrace city (Laizhou).
The scale of the Hua-Dynasty (Laizhou) power plant is 400 ten thousand kilowatts of total installed capacity, and the annual generating capacity is 240 hundred million kilowatt hours. The heat discharge capacity of the power plant is 309600 hundred million kilocalories per year according to the coal-electricity efficiency of 40 percent; the heat quantity of the annual cooling water is 247680 hundred million kilocalories based on that 80 percent of heat exchange is water cooling; the average heat rejection load of the cooling water per hour is 480 ten thousand kilowatts.
The area of a modern aquaculture park in the tobacco terrace city (Laizhou) is 6000 mu of coastal cihua electric Laizhou power plant, the area of an aquaculture workshop is 4000 mu, the aquaculture water body is 100 ten thousand cubic meters, the area of the workshop is 160 ten thousand square meters, and the areas of other matched buildings are as follows: 10 ten thousand square meters. The water change amount of the cultivation is 30 percent per day, the heating load is 29 ten thousand kilowatts per hour, the heat load of the cultivation workshop and the matched building is 30 watts per square meter, and the total load of the garden: 5.1 ten thousand kilowatts, total heat load for the campus design: 34.1 kilowatts, and an actual operating load of about 22 kilowatts at 65%. Therefore, the waste heat of the cooling water of the power plant can support about 22 similar parks. According to the number of heating days of the aquaculture park of 180 days, the heat energy requirement of the whole year is as follows: 81734.4 hundred million kcal, the annual standard coal of the project is saved by about 17 million tons, and the emission standard of each ton of standard coal is as follows: carbon dioxide emission is 2.6 tons, sulfur dioxide is 0.024 tons, and nitrogen oxides are 0.007 tons. The project is characterized by energy conservation and emission reduction: the emission of carbon dioxide is 44.2 ten thousand tons, sulfur dioxide is 0.408 ten thousand tons, and nitrogen oxides is 0.119 ten thousand tons, and the total emission can reach 44.727 ten thousand tons.
The data show that the project has obvious effects of energy conservation and emission reduction.
Drawings
Fig. 1 is a schematic view of the structure and the operation principle of the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments and accompanying drawings.
Referring to fig. 1, an embodiment of the present invention includes a power station cooling water system 4, a natural water area 1, such as a sea area, for providing cooling water to the power station cooling water system 4, and an aquaculture plant 6. The power station cooling water system 4 is connected with a first pump 2 through a pipeline, and the first pump 2 is used for pumping normal-temperature seawater into the power station cooling water system 4 to be used as cooling water. The aquaculture workshop 6 is connected with a temperature-adjusting water tank 5 through a pipeline with an eighth valve F8, the temperature-adjusting water tank 5 is connected with a second pump 3 through a pipeline with a first valve F1, and the second pump 3 is connected with the natural water area 1 and used for pumping normal-temperature seawater into the temperature-adjusting water tank 5.
The embodiment of the utility model discloses a still include water source heat pump 8, the cooling water of power station cooling water system 4 goes out the water end and is connected with fourth pump 11, and fourth pump 11's play water end is through the evaporimeter 8-2 that has fifth valve F5's tube coupling water source heat pump 8, and the play water end of evaporimeter 8-2 is through the tube coupling that has sixth valve F6 nature waters 1, flows back to nature waters 1 through this pipeline after the sea water heat that gets into water source heat pump 8 from power station cooling water system 4 is drawed. The temperature-adjusting water tank 5 is connected with a condenser 8-1 of the water source heat pump 8 through a pipeline with a seventh valve F7 and a fifth pump 9, and the water outlet end of the condenser 8-1 is connected with the temperature-adjusting water tank 5 through a pipeline. The seawater pumped into the water source heat pump 8 by the fifth pump 9 absorbs heat and then returns to the temperature-adjusting water tank 5.
The cooling water outlet end of the power station cooling water system 4 is also connected with a third pump 10, and the water outlet end of the third pump 10 is connected with the temperature regulating water tank 5 through a pipeline with a second valve F2. The cooling water outlet end of the power station cooling water system 4 is also connected with the natural water area 1 through a pipeline with a fourth valve F4, and when the heat generated by the power station cooling water system 4 exceeds the requirement of the system, part of seawater is directly discharged out of the system.
The embodiment of the utility model discloses a can also further be used for handling 6 exhaust breed tails in aquaculture workshop including breeding tail water biochemical treatment district 14, and first design is: the aquaculture workshop 6 is connected with a culture tail water solid-liquid separation subsystem 7, and the culture tail water solid-liquid separation subsystem 7 is connected with the culture tail water biochemical treatment area 14. The other design is as follows: the aquaculture workshop 6 is directly connected with the aquaculture tail water biochemical treatment area 14. Further, the tail water ecological breeding treatment area 13 is connected to the tail water biochemical treatment area 14, and aquatic products such as fish, algae, shellfish and the like are generally bred in the tail water ecological breeding treatment area 13 and simultaneously the water quality is treated.
The cooling water outlet end of the cooling water system 4 of the power station is connected with a sixth pump 12, and the sixth pump 12 is connected with the culture tail water biochemical treatment area 14 through a pipeline with a ninth valve F9.
If the temperature of the outlet water at the cooling water outlet end of the cooling water system 4 of the power station reaches the temperature of the water used by the temperature regulating water tank 5, the third pump 10 is started and the second valve F2 is opened, and the water source heat pump 8 does not work. If the temperature of the outlet water of the cooling water outlet end of the cooling water system 4 of the power station does not reach the temperature of the water used by the temperature-regulating water tank 5, the third pump 10 and the second valve F2 are closed, and the fourth pump 11, the fifth valve F5, the sixth valve F6, the seventh valve F7, the fifth pump 9 and the water source heat pump 8 are started.
When the temperature in the culture tail water biochemical treatment area 14 is too low, the ninth valve F9 is opened and the sixth pump 12 is started to supplement high-temperature water into the culture tail water biochemical treatment area 14 so as to enable the water temperature to reach the activity temperature of the digestive flora in the water treatment system.
The sixth pump 12 is also connected to the tail water ecological culture treatment area 13 through a pipeline with a third valve F3. When the water temperature in the tail water ecological culture treatment area 13 does not reach the ecological culture water temperature, the third valve F3 is opened, the sixth pump 12 is started to supplement water to the tail water ecological culture treatment area 13 for heating, and the tail water in the tail water ecological culture treatment area 13 is treated to reach the standard and then is discharged to the natural water area.

Claims (5)

1. The comprehensive system for applying the waste heat of the cooling water of the thermal power station to aquaculture comprises a power station cooling water system (4), a natural water area (1) for providing cooling water for the power station cooling water system (4), and an aquaculture workshop (6), wherein the power station cooling water system (4) is connected with the natural water area (1) through a first pump (2), the aquaculture workshop (6) is connected with a temperature-adjusting water pool (5) through a pipeline, the temperature-adjusting water pool (5) is connected with a second pump (3) through a pipeline, and the second pump (3) is connected with the natural water area (1), and is characterized by further comprising a water source heat pump (8); the temperature regulating water tank (5) is connected with a cooling water outlet end of the power station cooling water system (4) through a third pump (10); the temperature regulating water tank (5) is connected with the water inlet end of a condenser of the water source heat pump (8) through a fifth pump (9), and the water outlet end of the condenser is connected with the temperature regulating water tank (5) through a pipeline; the water outlet end of cooling water of the cooling water system (4) of the power station is connected with a fourth pump (11), the water outlet end of the fourth pump (11) is connected with the water inlet end of an evaporator of the water source heat pump (8) through a pipeline, and the water outlet end of the evaporator is connected with the natural water area (1) through a pipeline.
2. The integrated system for applying the waste heat of cooling water of thermal power station to aquaculture of claim 1 is characterized in that:
the integrated system also comprises a culture tail water biochemical treatment area (14) for treating culture tail water discharged from the aquaculture workshop (6); the cooling water outlet end of the power station cooling water system (4) is connected with a sixth pump (12), and the sixth pump (12) is connected with the culture tail water biochemical treatment area (14) through a pipeline.
3. The integrated system for applying the waste heat of cooling water of thermal power station to aquaculture as claimed in claim 2, wherein:
the water discharge end of the aquaculture workshop (6) is connected with a culture tail water solid-liquid separation subsystem (7), and the water discharge end of the culture tail water solid-liquid separation subsystem (7) is connected with the culture tail water biochemical treatment area (14).
4. The integrated system for applying the waste heat of cooling water of thermal power station to aquaculture as claimed in claim 2, wherein: the drainage end of the culture tail water biochemical treatment area (14) is connected with a tail water ecological culture treatment area (13).
5. The integrated system for applying the waste heat of cooling water of thermal power station to aquaculture of claim 4 is characterized in that: the sixth pump (12) is connected with the tail water ecological breeding treatment area (13) through a pipeline.
CN202121102238.7U 2021-05-21 2021-05-21 Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture Active CN215012768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121102238.7U CN215012768U (en) 2021-05-21 2021-05-21 Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121102238.7U CN215012768U (en) 2021-05-21 2021-05-21 Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture

Publications (1)

Publication Number Publication Date
CN215012768U true CN215012768U (en) 2021-12-07

Family

ID=79213533

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121102238.7U Active CN215012768U (en) 2021-05-21 2021-05-21 Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture

Country Status (1)

Country Link
CN (1) CN215012768U (en)

Similar Documents

Publication Publication Date Title
CN104729145B (en) A kind of distributed triple-generation system based on biogas
CN1868934B (en) Skid-mounted combined high temperature constant temperature methane comprehensive utilization system
CN101164916B (en) Method for treating eutrophication water body by hydrophyte
CN206799636U (en) Wind light mutual complementing biogas production system
CN202551927U (en) Sea water aquiculture heat pump water cooling and heating device set and system thereof
CN204460846U (en) A kind of distributed triple-generation system based on biogas
CN215012768U (en) Comprehensive system for applying waste heat of cooling water of thermal power station to aquaculture
Putt Algae as a biodiesel feedstock: A feasibility assessment
CN1826882A (en) Method for reusing waste water of aquaculture
CN102578027A (en) Marine aquaculture heat pump water chiller/heater unit and system thereof
CN105347500A (en) All-weather-running temperature control efficient algae pond system for purifying rural domestic sewage
CN104430130A (en) Workshop seawater circulating aquaculture and seedling culture system
CN102578028A (en) Cold-hot water unit and system of water source heat pump for recovering afterheat of waste water from sea farming and seedling
CN203333333U (en) Solar energy and waste heat combined seawater desalting device for fishing boats
CN202618052U (en) Water source heat pump cold/hot water unit and system for recycling waste heat of mariculture seedling culture wastewater
CN113115744A (en) Method for applying waste heat of cooling water of thermal power station to aquaculture and tail water treatment
CN105309377A (en) A seawater source heat pump ecological culture system
CN112385597B (en) Culture pond system with circulation water temperature adjusting function
CN214142052U (en) High-efficient beasts and birds excrement anaerobism resourceful treatment device
CN204409291U (en) Sea water source heat pump ecological cultivation system
CN212436983U (en) Aquaculture circulating water temperature control water source heat pump system
CN2729336Y (en) Device for supplying hot water and heating utilizing steam residual-heat of electric power plant
CN206799606U (en) A kind of full automatic high efficiency processing sewage, excrement and the device for producing biogas
CN207262736U (en) Solar energy integrates heat-supply type and continuously stirs reaction unit
CN210382295U (en) Process water waste heat utilization system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant