CN112551752A - Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply - Google Patents
Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply Download PDFInfo
- Publication number
- CN112551752A CN112551752A CN202011433441.2A CN202011433441A CN112551752A CN 112551752 A CN112551752 A CN 112551752A CN 202011433441 A CN202011433441 A CN 202011433441A CN 112551752 A CN112551752 A CN 112551752A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fresh water
- heat
- primary
- water
- 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.)
- Pending
Links
- 239000013535 sea water Substances 0.000 title claims abstract description 61
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 25
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 58
- 239000013505 freshwater Substances 0.000 claims abstract description 79
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 230000001089 mineralizing effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000002955 isolation Methods 0.000 claims description 30
- 239000003651 drinking water Substances 0.000 claims description 10
- 235000020188 drinking water Nutrition 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 230000035622 drinking Effects 0.000 abstract description 7
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/04—Hot-water central heating systems with the water under high pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a water-heat simultaneous transfer system based on reverse osmosis seawater desalination and nuclear energy heat supply, which is characterized in that: the method comprises the following steps that a first-stage fresh water preheating device, a second-stage reverse osmosis device, a dosing and mineralizing device, a fresh water storage device and a second-stage heating device are arranged on the nuclear energy heat source side, namely a nuclear power plant core energy heat supply system; and a heat extraction device, a direct drinking device and a fresh water blending storage device are arranged at a load side, namely a user end, and the outlet end of the fresh water blending device is connected with a fresh water user.
Description
Technical Field
The invention relates to a water-heat simultaneous transfer system based on reverse osmosis seawater desalination and nuclear energy heat supply, which realizes water-heat simultaneous transfer and belongs to the field of heat supply and water supply.
Background
The heating area in winter in China is increased rapidly by about 10% every year, 141 hundred million square meters are achieved in 2018, the heating energy consumption in northern cities is 1.91 million tons of standard coal, and the total energy consumption of the building is about 1/4. At present, a certain amount of coal-fired boilers and small coal-fired units still exist, building heating energy consumption is high, negative effects on the environment cannot be ignored, and building heating requirements are continuously increased along with improvement of urbanization level.
In addition, the total amount of water resources in northern areas is insufficient, the distribution is uneven, the precipitation change is very different, the dependence degree of external water transfer is high, and the like, so that the demands of residents, industry and ecology for water are continuously increased, and the contradiction between supply and demand is increasingly prominent.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a hydrothermal simultaneous transmission system, which can meet the requirements of users for water and heat at the same time with low construction cost and low operation and maintenance cost. Compare traditional water supply, heating system, this system can accomplish water supply and heat supply simultaneously, solves water resource, the nervous problem of hot demand in step, and has the advantage that the system is simple, construction and fortune dimension are with low costs.
In order to achieve the purpose, the technical scheme of the invention is to provide a hydrothermal simultaneous transmission system based on reverse osmosis seawater desalination and nuclear energy heat supply, which is characterized in that: the method comprises the following steps that a primary fresh water preheating device, a secondary reverse osmosis device, a chemical feeding and mineralizing device, a fresh water storage device and a secondary heating device are arranged on the nuclear energy heat source side, namely a nuclear power plant kernel energy heat supply system, the secondary side inlet end of the primary fresh water preheating device is connected with a water reservoir of an existing seawater desalination system in a power plant through a first pipeline, and fresh water in the water reservoir is prepared from seawater through primary reverse osmosis; the outlet end of the secondary side of the primary fresh water preheating device is connected with a secondary reverse osmosis device through a second pipeline, the outlet end of the secondary reverse osmosis device is connected with the inlet end of a secondary fresh water cache tank through a third pipeline, the chemical adding and mineralizing device is connected with the third pipeline through a fourth pipeline, the outlet end of the secondary fresh water cache tank is connected with the inlet end of the secondary side of the secondary heating device through a fifth pipeline, and the outlet end of the secondary side of the secondary heating device is connected with an external sixth pipeline, namely an external transportation pipeline, and extends to the load side; the load side, namely the user side, is provided with a heat extraction device, a direct drinking water device and a fresh water mixing and storing device, the primary side inlet end of the heat extraction device is connected with a sixth pipeline, the primary side outlet end of the heat extraction device is connected with a first inlet of a fresh water mixing device through a seventh pipeline, the dosing and mineralizing device is connected with the seventh pipeline through an eighth pipeline, municipal incoming water is connected with a second inlet of the fresh water mixing device, and the outlet end of the fresh water mixing device is connected with a fresh water user through a ninth pipeline.
Preferably, the first pipeline is connected with the second pipeline through a tenth pipeline, and a first isolation valve is arranged on the tenth pipeline; the fifth pipeline is connected with the sixth pipeline through an eleventh pipeline, and a second isolation valve is arranged on the eleventh pipeline; the sixth pipeline is connected with the seventh pipeline through a twelfth pipeline, and a third isolation valve is arranged on the twelfth pipeline.
Preferably, the primary side inlet end of the secondary heating device is connected with the outlet end of the nuclear energy heating system; the primary side outlet end of the secondary heating device is connected with the primary side inlet end of the primary fresh water preheating device, the primary side outlet end of the primary fresh water preheating device is connected with the nuclear energy heating system, the primary side inlet end of the heat separation device is connected with a heat user, and the primary side outlet end of the heat separation device is connected with the heat user.
Preferably, an isolation loop is arranged between the nuclear energy heat source side and the primary fresh water preheating device, the isolation loop absorbs heat of nuclear steam through the heat exchange device, and the heat is released into the seawater desalination system through the secondary heating device and the primary fresh water preheating device.
Preferably, the isolation loop firstly supplies heat to the second-stage heating device and then supplies heat to the first-stage fresh water preheating device to heat and desalt the seawater in a grading manner.
Preferably, the pressure of seawater in the seawater desalination system is higher than the pressure of the isolation loop, and the pressure of the isolation loop is higher than the pressure of core steam in the nuclear energy heating system.
Preferably, all the devices and the conveying pipelines through which the high-temperature desalinated seawater flows are made of stainless steel.
Preferably, the seawater source of the seawater desalination system is circulating water drainage of a nuclear power plant core motor unit, and the temperature is not lower than 16.9 ℃.
Preferably, the heat extraction device outlet water temperature is greater than 35 ℃.
The water quality conveyed by the invention is used for drinking on the load side, including direct drinking, and the water quality must meet the national relevant standards for drinking water.
The seawater desalination device is characterized in that an intermediate isolation loop is directly arranged between nuclear steam and desalinated seawater, the isolation loop absorbs heat of the nuclear steam through a heat exchange device, and the heat is released into the desalinated seawater through a secondary heating device and a primary freshwater preheating device. Through this isolated loop, even if nuclear steam is smuggleing the radioactivity secretly, and under the condition that certain one-level heat transfer device takes place to damage the leakage simultaneously, the radioactivity also is difficult to get into desalination sea water side.
The second characteristic is that through pressure classification, namely the pressure of the desalinated seawater is higher than the pressure of the isolation loop, the pressure of the isolation loop is higher than the pressure of the nuclear steam, even if the nuclear steam carries radioactivity, the device leaks, and the secondary heating device or the primary fresh water preheating device leaks, because of the pressure classification, the desalinated seawater can only leak to one side of the isolation loop and the nuclear steam pipe, and the radioactivity can not enter the desalinated seawater side at all.
The device is characterized in that all devices and conveying pipelines through which the high-temperature desalinated seawater flows are made of stainless steel materials, so that the high-temperature desalinated seawater is prevented from corroding equipment and the conveying pipelines, and the equipment and the conveying pipelines are prevented from influencing water quality.
The fourth characteristic is that the pH value of the desalinated seawater is acidic, which does not meet 6.5-8.5 specified by the national drinking water sanitary standard, and the acidic desalinated seawater reduces the service life of the stainless steel conveying pipeline, and the water quality is adjusted by the chemical adding and mineralizing device, so that the pH value of the desalinated seawater meets the national drinking water sanitary standard, and the service life of the stainless steel conveying pipeline is not affected.
The present invention has the following three features in order to further improve the energy efficiency of hydrothermal simultaneous transfer and to expand the diversity of energy utilization.
Fifthly, the seawater is taken from the circulating water drainage of the nuclear power unit, the temperature of the part of water in winter is 16.9 ℃, and the part of water needs to be drained into the sea according to the design of the nuclear power unit. The invention further utilizes the warm water which is originally required to be drained from the sea, realizes waste heat utilization and improves energy utilization efficiency.
The intermediate circuit firstly enters the secondary heating device to release heat, the water after heat release enters the primary fresh water preheating device to heat and desalt the seawater in a grading manner, and through preheating, on one hand, the reverse osmosis efficiency is improved, on the other hand, the energy gradient utilization is realized, and the energy utilization efficiency is further improved.
The characteristics are that after the heat is extracted by the heat extraction device at the user side, the temperature of the desalinated seawater is controlled to be about 35 ℃, and the water with the temperature is directly drunk or mixed into a domestic water system for use, so that the water using experience in winter is improved, and the consumption of high-quality energy and electric energy is reduced. The design enlarges the diversity of water using functions on the basis of warming in winter.
In conclusion, in the aspect of water quality control, the influence of possible radioactivity of nuclear steam on desalinated seawater is thoroughly avoided by arranging the intermediate isolation loop and a mode that the nuclear steam, the intermediate isolation loop and the pressure of the desalinated seawater are gradually increased; by adopting stainless steel equipment and a conveying pipeline and adopting a dosing and mineralizing device, the water quality is ensured to meet the relevant national standards of domestic water and drinking water. In the aspect of energy utilization, the mode of realizing energy gradient utilization and realizing heat supply and warm water supply at a user side is realized by utilizing two-stage heating of circulating water and fresh water of a nuclear power unit, so that the high-efficiency utilization of energy and the diversity of heat utilization functions are realized.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
The embodiment is shown in figure 1, the invention provides a hydrothermal simultaneous transfer system based on reverse osmosis seawater desalination and nuclear energy heat supply, wherein on the source side, namely a primary fresh water preheating device 16, a secondary reverse osmosis device 17, a dosing and mineralizing device 18, a fresh water storage device 19 and a secondary heating device 20 in a nuclear power plant, the secondary side inlet end of the primary fresh water preheating device is connected with a water reservoir of an existing seawater desalination system in the power plant through a first pipeline 1, and fresh water in the water reservoir is prepared from seawater through primary reverse osmosis; the secondary side outlet end of the primary fresh water preheating device is connected with the secondary reverse osmosis device 17 through a second pipeline 2. The above embodiment, which may be summarized as the first-stage fresh water from the reverse osmosis seawater desalination system, is heated by the preheating device 16, and then enters the second-stage reverse osmosis device 17 through the pipeline 2.
The outlet end of the second-stage reverse osmosis device 17 is connected with the inlet end of a second-stage fresh water cache tank 19 through a third pipeline 3, and the chemical adding and mineralizing device 18 is connected with the third pipeline 3 through a fourth pipeline 4, so that the purpose of adding chemicals into second-stage fresh water is achieved; the outlet end of the second-level fresh water buffer tank 19 is connected with the secondary side inlet end of the second-level heating device 20 through a fifth pipeline 5, and the secondary side outlet end of the second-level heating device 20 is connected with an external sixth pipeline 6, namely an external transportation pipeline, and extends to the load side. The second-stage fresh water produced by the second-stage reverse osmosis device 17 is subjected to chemical adding and mineralization treatment, enters the second-stage fresh water buffer tank 19, further enters the second-stage heating device 20, is heated and then is changed into high-temperature second-stage fresh water, and is conveyed to the outside of the plant and conveyed to the load side through the pipeline 6.
The primary side inlet end of the secondary heating device 20 is connected with the outlet end of the nuclear energy heating system; the outlet end of the primary side of the secondary heating device 20 is connected with the inlet end of the primary side of the primary fresh water preheating device 16, and the outlet end of the primary side of the primary fresh water preheating device 16 is connected with the nuclear energy heating system. In the above embodiment, it can be summarized that the hot water from the nuclear heating system firstly enters the secondary heating device 20, releases heat for heating the secondary fresh water, and then enters the primary fresh water preheating device 16 after being output from the secondary heating device 20, further releases heat for heating the primary fresh water, and finally, the hot water from the nuclear heating system is released twice, returns to the nuclear heating system from the primary side outlet of the primary fresh water preheating device 16 to be continuously heated, and the above cycle is repeated.
A heat extraction device 21, a direct drinking water device 22 and a fresh water mixing and storing device 23 are arranged at a load side, namely a user side, wherein a primary side inlet end of the heat extraction device 21 is connected with a sixth pipeline 6, a primary side outlet end of the heat extraction device 21 is connected with a first inlet of the fresh water mixing and storing device 23 through a seventh pipeline 7, a primary side inlet end of the heat separation device 21 is connected with a heat user, and a primary side outlet end of the heat separation device 21 is connected with the heat user; simultaneously, the direct drinking device is connected with the pipeline 7 through the pipeline 8, municipal incoming water is connected with the fresh water blending device through the second inlet, and the outlet end of the fresh water blending device is connected with a fresh water user through the ninth pipeline. In the above embodiment, the high-temperature fresh water transfers heat to the secondary side through the heat extraction device and is finally delivered to the hot user, the high-temperature secondary fresh water is changed into the low-temperature secondary fresh water and respectively enters the direct drinking device 22 and the fresh water blending and storing device 23, and the low-temperature secondary fresh water and the municipal incoming water are blended in the fresh water blending and storing device 23 and then are supplied to the fresh water user.
The first pipeline 1 is connected with the second pipeline 2 through a tenth pipeline 10, and a first isolation valve 13 is arranged on the tenth pipeline 10; the fifth pipeline 5 is connected with the sixth pipeline 6 through an eleventh pipeline 11, and a second isolation valve 14 is arranged on the eleventh pipeline 11; the sixth pipeline 6 is connected with the seventh pipeline 7 through a twelfth pipeline 12, and a third isolation valve 15 is arranged on the twelfth pipeline 12. The isolating valve is closed when the downstream has heat load demand, and is opened when the downstream has no heat load demand, the primary fresh water preheating device 16, the secondary heating device 20 and the heat extraction device 21 are bypassed, and unheated secondary fresh water is delivered to fresh water users.
The water quality conveyed by the invention is used for drinking on the load side, including direct drinking, and the water quality must meet the national relevant standards for drinking water.
The seawater desalination device is characterized in that an intermediate isolation loop is directly arranged between the nuclear steam and the desalinated seawater, the isolation loop absorbs heat of the nuclear steam through a heat exchange device 24, and the heat is released into the desalinated seawater through a secondary heating device 20 and a primary fresh water preheating device 16. Through this isolated loop, even if the nuclear steam is carrying radioactivity, and at the same time, the heat exchange device 24 is damaged and leaked, the radioactivity is difficult to enter the desalination seawater side.
The second characteristic is that through pressure classification, namely the pressure of the desalinated seawater is higher than the pressure of the isolation loop, the pressure of the isolation loop is higher than the pressure of the nuclear steam, even if the nuclear steam carries radioactivity, the device 24 leaks, and the secondary heating device 20 or the primary fresh water preheating device 16 leaks, due to the pressure classification, the desalinated seawater can only leak to one side of the isolation loop and the nuclear steam pipe, and the radioactivity can not enter the desalinated seawater side at all.
The device is characterized in that all devices and conveying pipelines through which the high-temperature desalinated seawater flows are made of stainless steel materials, so that the high-temperature desalinated seawater is prevented from corroding equipment and the conveying pipelines, and the equipment and the conveying pipelines are prevented from influencing water quality.
The fourth characteristic is that because the desalinated seawater is acidic, the PH value of the desalinated seawater does not meet 6.5-8.5 specified by the national drinking water sanitary standard, and the acidic desalinated seawater reduces the service life of the stainless steel conveying pipeline, and the water quality is adjusted by the chemical adding and mineralizing device 18, so that the PH value of the desalinated seawater meets the national drinking water sanitary standard and the service life of the stainless steel conveying pipeline is not influenced.
The present invention has the following three features in order to further improve the energy efficiency of hydrothermal simultaneous transfer and to expand the diversity of energy utilization.
Fifthly, the seawater is taken from the circulating water drainage of the nuclear power unit, the temperature of the part of water in winter is 16.9 ℃, and the part of water needs to be drained into the sea according to the design of the nuclear power unit. The invention further utilizes the warm water which is originally required to be drained from the sea, realizes waste heat utilization and improves energy utilization efficiency.
The intermediate circuit firstly enters the secondary heating device 20 to release heat, the water after heat release enters the primary fresh water preheating device to heat and desalt the seawater in a grading way, and through preheating, on one hand, the reverse osmosis efficiency is improved, on the other hand, the energy gradient utilization is realized, and the energy utilization efficiency is further improved.
The seventh characteristic is that after the heat is extracted by the heat extraction device 21 at the user side, the temperature of the desalinated seawater is controlled to about 35 ℃, and the water at the temperature is directly drunk or mixed into a domestic water system for use, so that the water using experience in winter is improved, and the consumption of high-quality energy and electric energy is reduced. The design enlarges the diversity of water using functions on the basis of warming in winter.
Claims (9)
1. A water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply is characterized in that: the method comprises the following steps that a primary fresh water preheating device, a secondary reverse osmosis device, a chemical feeding and mineralizing device, a fresh water storage device and a secondary heating device are arranged on the nuclear energy heat source side, namely a nuclear power plant kernel energy heat supply system, the secondary side inlet end of the primary fresh water preheating device is connected with a water reservoir of an existing seawater desalination system in a power plant through a first pipeline, and fresh water in the water reservoir is prepared from seawater through primary reverse osmosis; the outlet end of the secondary side of the primary fresh water preheating device is connected with a secondary reverse osmosis device through a second pipeline, the outlet end of the secondary reverse osmosis device is connected with the inlet end of a secondary fresh water cache tank through a third pipeline, the chemical adding and mineralizing device is connected with the third pipeline through a fourth pipeline, the outlet end of the secondary fresh water cache tank is connected with the inlet end of the secondary side of the secondary heating device through a fifth pipeline, and the outlet end of the secondary side of the secondary heating device is connected with an external sixth pipeline, namely an external transportation pipeline, and extends to the load side; the load side, namely the user side, is provided with a heat extraction device, a direct drinking water device and a fresh water mixing and storing device, the primary side inlet end of the heat extraction device is connected with a sixth pipeline, the primary side outlet end of the heat extraction device is connected with a first inlet of a fresh water mixing device through a seventh pipeline, the dosing and mineralizing device is connected with the seventh pipeline through an eighth pipeline, municipal incoming water is connected with a second inlet of the fresh water mixing device, and the outlet end of the fresh water mixing device is connected with a fresh water user through a ninth pipeline.
2. The system of claim 1, wherein the system comprises: the first pipeline is connected with the second pipeline through a tenth pipeline, and a first isolation valve is arranged on the tenth pipeline; the fifth pipeline is connected with the sixth pipeline through an eleventh pipeline, and a second isolation valve is arranged on the eleventh pipeline; the sixth pipeline is connected with the seventh pipeline through a twelfth pipeline, and a third isolation valve is arranged on the twelfth pipeline.
3. The system of claim 1, wherein the system comprises: the primary side inlet end of the secondary heating device is connected with the outlet end of the nuclear energy heating system; the primary side outlet end of the secondary heating device is connected with the primary side inlet end of the primary fresh water preheating device, the primary side outlet end of the primary fresh water preheating device is connected with the nuclear energy heating system, the primary side inlet end of the heat separation device is connected with a heat user, and the primary side outlet end of the heat separation device is connected with the heat user.
4. The system of claim 1, wherein the system comprises: an isolation loop is arranged between the nuclear energy heat source side and the primary fresh water preheating device, the isolation loop absorbs heat of nuclear steam through a heat exchange device, and the heat is released into a seawater desalination system through the secondary heating device and the primary fresh water preheating device.
5. The system of claim 4, wherein the system comprises: the isolated loop firstly supplies heat to the second-stage heating device and then supplies heat to the first-stage fresh water preheating device to heat and desalt the seawater in a grading manner.
6. The system of claim 4, wherein the system comprises: the pressure of seawater in the seawater desalination system is higher than that of the isolation loop, and the pressure of the isolation loop is higher than that of core steam in the nuclear energy heating system.
7. The system of claim 1, wherein the system comprises: all devices and conveying pipelines through which the high-temperature desalinated seawater flows are made of stainless steel.
8. The system of claim 1, wherein the system comprises: the seawater source of the seawater desalination system is circulating water drainage of a nuclear power plant core motor unit, and the temperature is not lower than 16.9 ℃.
9. The system of claim 1, wherein the system comprises: the temperature of the outlet water of the heat extraction device is more than 35 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011433441.2A CN112551752A (en) | 2020-12-10 | 2020-12-10 | Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011433441.2A CN112551752A (en) | 2020-12-10 | 2020-12-10 | Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112551752A true CN112551752A (en) | 2021-03-26 |
Family
ID=75060207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011433441.2A Pending CN112551752A (en) | 2020-12-10 | 2020-12-10 | Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112551752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685889A (en) * | 2021-08-27 | 2021-11-23 | 陈连祥 | Water and heat simultaneous delivery asymmetric flow circulation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049999A (en) * | 2007-05-18 | 2007-10-10 | 中核能源科技有限公司 | Coupling devices of using nuclear energy for sea water desalination, and method |
| CN102826679A (en) * | 2012-08-16 | 2012-12-19 | 浙江东发环保工程有限公司 | Seawater desalination dual water supply system in water-electricity cogeneration |
| WO2014101580A1 (en) * | 2012-12-25 | 2014-07-03 | 中盈长江国际新能源投资有限公司 | Seawater desalting apparatus and method using solar energy for continuously supplying heat |
| CN108218080A (en) * | 2018-01-22 | 2018-06-29 | 上海巴安水务股份有限公司 | A kind of hotting mask using industrial waste heat couples seawater desalination system |
| CN110981067A (en) * | 2019-12-23 | 2020-04-10 | 中国船舶重工集团公司第七一九研究所 | Offshore nuclear energy water supply floating platform and water supply method |
| CN210620488U (en) * | 2019-07-04 | 2020-05-26 | 江苏斯尔邦石化有限公司 | Hot film coupling type seawater desalination device |
-
2020
- 2020-12-10 CN CN202011433441.2A patent/CN112551752A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049999A (en) * | 2007-05-18 | 2007-10-10 | 中核能源科技有限公司 | Coupling devices of using nuclear energy for sea water desalination, and method |
| CN102826679A (en) * | 2012-08-16 | 2012-12-19 | 浙江东发环保工程有限公司 | Seawater desalination dual water supply system in water-electricity cogeneration |
| WO2014101580A1 (en) * | 2012-12-25 | 2014-07-03 | 中盈长江国际新能源投资有限公司 | Seawater desalting apparatus and method using solar energy for continuously supplying heat |
| CN108218080A (en) * | 2018-01-22 | 2018-06-29 | 上海巴安水务股份有限公司 | A kind of hotting mask using industrial waste heat couples seawater desalination system |
| CN210620488U (en) * | 2019-07-04 | 2020-05-26 | 江苏斯尔邦石化有限公司 | Hot film coupling type seawater desalination device |
| CN110981067A (en) * | 2019-12-23 | 2020-04-10 | 中国船舶重工集团公司第七一九研究所 | Offshore nuclear energy water supply floating platform and water supply method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685889A (en) * | 2021-08-27 | 2021-11-23 | 陈连祥 | Water and heat simultaneous delivery asymmetric flow circulation system |
| CN113685889B (en) * | 2021-08-27 | 2023-03-14 | 陈连祥 | Water and heat simultaneous delivery asymmetric flow circulation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2901700C (en) | Systems and methods for recovering energy from wastewater | |
| EP2910693B1 (en) | District public water supply pipe network system compatible for source side water for ground source heat pump system and reclaimed water | |
| CN204962922U (en) | Novel trigeminy supplies system | |
| CN203249231U (en) | System using water drainage waste heat of heating network heater to heat raw water | |
| CN102936566A (en) | Energy using device and method for biogas production and power generation system | |
| CN107676842B (en) | The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant | |
| CN112551752A (en) | Water heat simultaneous transfer system based on reverse osmosis sea water desalination and nuclear energy heat supply | |
| CN204513538U (en) | A kind of regional cooling and heating system | |
| CN101949558B (en) | Life hot water heat pump system using waste heat of circulating cooling water | |
| CN202993526U (en) | Warm boiled water direct drinking water boiler with heating and cooling device | |
| CN215327492U (en) | Water quality control system for hydrothermal simultaneous transmission system | |
| CN215327335U (en) | Heat utilization and absorption system for water-heat simultaneous transmission system | |
| CN204574236U (en) | A kind of secondary publilc baths waste water recycling system with Self-cleaning system | |
| CN207907342U (en) | A kind of energy and water saving type heat pump hot-water system | |
| CN203533518U (en) | Waste heat utilizing system for boiler high-temperature waste water | |
| CN213453819U (en) | Clean energy heating plant | |
| CN215260569U (en) | Winter raw water heating system based on waste heat of heat supply steam condensate of thermal power plant | |
| CN100513891C (en) | City central heat supply method | |
| CN204494587U (en) | A kind of constant-temperature hot water feed system reclaiming with waste water residual heat and be incubated | |
| CN205579972U (en) | Utilize sewage source heat pump hot -water heating system of waste water reclamation waste heat | |
| CN102200315A (en) | Urban heating method in conformity with low-carbon energy policy | |
| CN200979288Y (en) | Waste water residual heat recovering device | |
| CN206131420U (en) | Waste heat recovery utilizes system suitable for family | |
| CN204665664U (en) | The publilc baths waste water recycling system that a kind of shower and bathing pool share | |
| CN215723569U (en) | Water supply system for combined utilization of solar energy and fuel gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |
|
| RJ01 | Rejection of invention patent application after publication |