CN110054242A - The spray evaporation strong brine processing system that small cores reactor waste utilizes - Google Patents
The spray evaporation strong brine processing system that small cores reactor waste utilizes Download PDFInfo
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- CN110054242A CN110054242A CN201910195370.8A CN201910195370A CN110054242A CN 110054242 A CN110054242 A CN 110054242A CN 201910195370 A CN201910195370 A CN 201910195370A CN 110054242 A CN110054242 A CN 110054242A
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- strong brine
- steam
- air
- spray evaporation
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Classifications
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of spray evaporation strong brine processing systems that small cores reactor waste utilizes, the processing system includes: isolation evaporator, including input terminal and steam outlet, the afterheat steam of reactor secondary circuit is converted to isolation steam after entering isolation evaporator from the input terminal；Air heater, including steam inlet and hot-air delivery outlet, the isolation steam enter in air heater from steam inlet；Spray evaporation room, it includes strong brine entrance, hot air inlet and air stream outlet, and nozzle is equipped in the spray evaporation room, the strong brine after sea water desalination enters nozzle, the hot-air delivery outlet connection of hot air inlet and air heater from strong brine entrance by the first pipeline；Steam-water separator is connect with the air stream outlet.The present invention can be used to live to gained fresh water after strong brine processing, power device moisturizing can be used for after further desalination, the liquid salt of collection can be used for chlorine industry, realize the net discharge of seawater.
Description
Technical field
The present invention relates to the processing of strong brine, in particular to a kind of dense salt of the spray evaporation that small cores reactor waste utilizes
Water treatment system belongs to small cores reactor applications field.
Background technique
Small cores reactor applications are flexibly, nuclear safety risk is low, construction period is short, one-time investment is small.Current is small-sized
Nuclear reactor is applied mainly based on power generation, for meeting coastal cities, atomic-powered ship, offshore work platform, islands and reefs exploitation
The power demand in equal fields.In addition to electric energy, the small-sized multiduty exploitation of heap is always the hot spot of concern, especially UTILIZATION OF VESIDUAL HEAT IN.
A large amount of low-pressure steam can be discharged after small-sized nuclear reactor steam turbine acting, the heat carried is most of cold by master
Condenser is taken away, which accounts for about 70% of heat output of reactor or more, and efficiently using this part of waste heat can greatly improve
The energy utilization rate of small-sized nuclear reactor.In small-sized heap UTILIZATION OF VESIDUAL HEAT IN this respect, thermal method sea water desalination is quickly grown.
But desalination technology also produces detrimental effect to environment while effectively solving water resources problems,
Wherein strong brine discharge, which is one, major issue to be solved: strong brine increases the salinity in local sea area, and seawater is caused to seep
Pressure increases thoroughly, endangers the normal life and breeding of marine organisms, especially has significant damage to fish-egg and anchovies.Strong brine density
It is uneven to sink to causing sea water mixing after row is extra large, or even forms area with high salt in seabed, while salinity increase also results in turbidity for height
Increase, and then influence the transmitance of light, destroys photosynthesis, influence biological growth.
Should development of small-scale heap nuclear desalination, avoid impacting seawater ecology again, the solution of the problem will
It is the net profit of seawater with providing effective solution.
Summary of the invention
Present invention aims to overcome that above-mentioned sea water desalination generates the technical issues of strong brine discharge and provides a kind of small-sized
The spray evaporation strong brine processing system of nuclear reactor UTILIZATION OF VESIDUAL HEAT IN, the system is to caused by the utilization of small cores reactor waste
Gained fresh water can be used to live after strong brine processing, and power device moisturizing, the liquid salt energy of collection can be used for after further desalination
For chlorine industry, the net discharge of seawater is realized.
Realize the object of the invention the technical solution adopted is that a kind of dense salt of the spray evaporation that small cores reactor waste utilizes
Water treatment system, the processing system include:
It is isolated evaporator, including input terminal and steam outlet, the afterheat steam of reactor secondary circuit is from the input terminal
Isolation steam is converted to after into isolation evaporator；
Air heater, including steam inlet and hot-air delivery outlet, the isolation steam enter air from steam inlet
In heater；
Spray evaporation room comprising strong brine entrance, hot air inlet and air stream outlet, and be equipped in the spray evaporation room
Nozzle, the strong brine after sea water desalination enter nozzle from strong brine entrance by the first pipeline, and hot air inlet and air heat
The hot-air delivery outlet of device connects；And
Steam-water separator is connect with the air stream outlet.
In the above-mentioned technical solutions, the isolation evaporator further includes the first condensation-water drain, is passed through after afterheat steam condensation
Hydrophobic return line returns to reactor secondary circuit draining system, and the hydrophobic return line is equipped with for whether monitoring afterheat steam
There are radioactive first radiation dose monitoring instrument.
In the above-mentioned technical solutions, the air heater includes the second condensation-water drain, and the second condensation-water drain passes through
Second pipeline is equipped with water pump and the second radiation dose monitoring instrument with evaporator connection, second pipeline is isolated.
Further, the air heater is connected with blower, which is used to be pumped into air to air heater.
In the above-mentioned technical solutions, the hot-air delivery outlet of the hot air inlet and air heater of the spray evaporation room
Between be equipped with flowmeter and thermometer.
In the above-mentioned technical solutions, first pipeline is equipped with flowmeter, thermometer and strong brine pump.
In the above-mentioned technical solutions, spray evaporation room bottom is additionally provided with liquid salt outlet, and liquid salt outlet is equipped with electricity
Electrical conductivity instrument.
In the above-mentioned technical solutions, the steam-water separator includes exhaust outlet and leakage fluid dram, and the leakage fluid dram is equipped with conductance
Rate instrument.
The invention has the following advantages that
1) concentration is carried out to sea water desalinization strong brine, avoids the dirt caused by marine environment of strong brine direct emission
Dye；
2) reactor waste steam is utilized, the energy utilization rate of small-sized nuclear reactor is improved；
3) by being further processed to strong brine, fresh water and liquid salt is collected, the economy of sea water desalination is improved；
4) reactor waste steam is converted using isolation evaporator, and double radioactivity monitoring device is set, protected
Hinder the nuclear safety of product (fresh water, liquid salt).
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the spray evaporation strong brine processing system that small cores reactor waste of the present invention utilizes.
Figure label: evaporator (1.1- input terminal, 1.2- steam outlet, the first condensation-water drain of 1.3-) is isolated in 1-,
2- blower, 3- air heater (steam inlet 3.1-, 3.2- hot-air delivery outlet, the second condensation-water drain of 3.3-), 4- first
Flowmeter, the first thermometer of 5-, 6- spray evaporation room (6.1- nozzle), 7- strong brine pump, (the 8.1- exhaust of 8- steam-water separator
Mouth, 8.2- leakage fluid dram), 9- second flowmeter, 10- second temperature meter, 11- the first radiation dose monitoring instrument, 12- water circulating pump,
13- the second radiation dose monitoring instrument, the first conductivity meter of 14-, the second conductivity meter of 15-.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the spray evaporation strong brine processing system that small cores reactor waste of the present invention utilizes includes isolation
Evaporator 1, air heater 3, spray evaporation room 6 and steam-water separator 8, the following detailed description of with the structure of upper-part and company
Connect relationship.
Isolation evaporator 1 includes that input terminal 1.1, steam outlet 1.2 and the first condensation-water drain 1.3, reactor two return
The afterheat steam on road enters after isolation evaporator 1 from input terminal 1.1 is converted to isolation steam, through hydrophobic after afterheat steam condensation
Return line returns to reactor secondary circuit draining system, and hydrophobic return line is equipped with for monitoring afterheat steam with the presence or absence of radiation
First radiation dose monitoring instrument 13 of property.
Air heater 3 includes steam inlet 3.1, hot-air delivery outlet 3.2 and the second condensation-water drain 3.3, and isolation is steamed
Vapour enters in air heater 3 from steam inlet；Air heater 3 is connected with blower 2, and blower 2 is used to take out to air heater 3
Enter air.Second condensation-water drain 3.3 is connected by the second pipeline with evaporator 1 is isolated, and the second pipeline is equipped with water circulating pump 12
With the second radiation dose monitoring instrument 11.
Spray evaporation room 6 includes strong brine entrance, hot air inlet and air stream outlet, and spray is equipped in spray evaporation room 6
Mouth 6.1, the strong brine after sea water desalination enter nozzle 6.1, hot air inlet and air from strong brine entrance by the first pipeline
The hot-air delivery outlet of heater 3 connects；The hot air inlet of spray evaporation room 6 and the hot-air delivery outlet of air heater 3
Between be equipped with first flowmeter 4 and the first thermometer 5；First pipeline is equipped with second flowmeter 9, second temperature meter 10 and dense salt
Water pump 7；6 bottom of spray evaporation room is additionally provided with liquid salt outlet, and liquid salt outlet is equipped with conductivity meter 15.
Steam-water separator 8 is connect with 6 air stream outlet of spray evaporation room, and steam-water separator 8 includes exhaust outlet 8.1 and leakage fluid dram
8.2, leakage fluid dram 8.2 is equipped with conductivity meter 14.
Illustrate to realize below with reference to the structure of above-mentioned spray evaporation strong brine processing system to small cores reactor waste
The process handled using generated strong brine:
1) steam is converted: 1 heat cycles water of evaporator is isolated in the afterheat steam from reactor secondary circuit, generates isolation
Steam is delivered to air heater 3, returns to draining system through hydrophobic return line after afterheat steam condensation.On hydrophobic pipeline
Two radiation dose monitoring instrument 13 are for monitoring afterheat steam radioactivity that may be present.
2) air heats: carrying out heat source of the isolation steam of self-isolation evaporator 1 as air heater 3, for heating wind
The air that machine 2 is pumped can control the temperature of hot-air delivery outlet by adjusting the operating parameter of blower 2.It is cold that steam is isolated
Solidifying condensate recycles in being carried out between isolation evaporator 1 and air heater 3 by water circulating pump 12.First dose of radiation prison
The radioactivity that instrument 11 is used to monitor the isolation steam in 3 condensate exit of air heater is surveyed, being capable of detecting when can in afterheat steam
Radioactive pollution hot-air existing for energy.3) spray evaporation: the strong brine after sea water desalination is delivered to spraying steam through strong brine pump 7
Room 6 is sent out, salt fog is being formed by the atomizer in spray evaporation room 6, under the action of from the hot-air of air heater 3
The water mist of rapid evaporation, a part of light weight drains into steam-water separator 8 with hot-air, and the salt fog of another part quality weight sinks,
Liquid salt (salt content 23% or so) is formed in spray evaporation room lower part, can externally be conveyed.Furthermore it can also pass through conductivity meter 15
The conductivity for detecting liquid salt, the data detected further according to second flowmeter 9 and second temperature meter 10 adjust hot-air and dense salt
The parameter of water avoids dry combustion method, the fouling of spray evaporation room to control the conductivity of liquid salt.
4) steam-water separation: for the water mist from spray evaporation room 7 under the action of steam-water separator 8, air is from exhaust outlet 8.1
The fresh water of discharge, collection can be conveyed externally after the discharge of leakage fluid dram 8.2.The conductivity of the detection gained fresh water of conductivity meter 14, from
And the parameter by adjusting hot-air and strong brine, the conductivity of water production control.
A control system can also be arranged in the present invention, the control system respectively with first flowmeter 4, the first thermometer 5,
Two flowmeters 9, second temperature meter 10, the first conductivity meter 14 and the second conductivity meter 15, according to the first conductivity meter 14 and
The conductivity of liquid salt and fresh water that two conductivity meters 15 detect respectively, by the state modulator liquid for adjusting hot-air and strong brine
The conductivity of body salt and fresh water, specifically, control system is according to second flowmeter 9 and the detected strong brine of second temperature meter 10
The flow velocity and temperature of strong brine is adjusted in data, to adjust the parameter of input strong brine；According to first flowmeter 4 and
The hot-air data detected of one thermometer 5, the operating parameter by adjusting blower 2 control the temperature and speed of hot-air delivery outlet
Degree, and then adjust the parameter that air heater 3 exports hot-air.
Claims (8)
1. a kind of spray evaporation strong brine processing system that small cores reactor waste utilizes characterized by comprising
Evaporator is isolated, including input terminal and steam outlet, the afterheat steam of reactor secondary circuit enter from the input terminal
Isolation steam is converted to after isolation evaporator；
Air heater, including steam inlet and hot-air delivery outlet, the isolation steam enter air heating from steam inlet
In device；
Spray evaporation room comprising strong brine entrance, hot air inlet and air stream outlet, and spray is equipped in the spray evaporation room
Mouth, the strong brine after sea water desalination enter nozzle, hot air inlet and air heater from strong brine entrance by the first pipeline
Hot-air delivery outlet connection；And
Steam-water separator is connect with the air stream outlet.
2. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 1
In: the isolation evaporator further includes the first condensation-water drain, returns to reactor through hydrophobic return line after afterheat steam condensation
Secondary circuit draining system, the hydrophobic return line are equipped with for monitoring afterheat steam with the presence or absence of radioactive first radiation agent
Measure monitor.
3. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 2
In: the air heater includes the second condensation-water drain, and the second condensation-water drain is connected by the second pipeline with evaporator is isolated
It connects, second pipeline is equipped with water pump and the second radiation dose monitoring instrument.
4. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 3
In: the air heater is connected with blower, which is used to be pumped into air to air heater.
5. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 4
In: flowmeter and temperature are equipped between the hot air inlet of the spray evaporation room and the hot-air delivery outlet of air heater
Meter.
6. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 5
In: first pipeline is equipped with flowmeter, thermometer and strong brine pump.
7. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 6
In: spray evaporation room bottom is additionally provided with liquid salt outlet, and liquid salt outlet is equipped with conductivity meter.
8. the spray evaporation strong brine processing system that small cores reactor waste utilizes, feature exist according to claim 7
In: the steam-water separator includes exhaust outlet and leakage fluid dram, and the leakage fluid dram is equipped with conductivity meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195370.8A CN110054242A (en) | 2019-03-14 | 2019-03-14 | The spray evaporation strong brine processing system that small cores reactor waste utilizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195370.8A CN110054242A (en) | 2019-03-14 | 2019-03-14 | The spray evaporation strong brine processing system that small cores reactor waste utilizes |
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| CN110054242A true CN110054242A (en) | 2019-07-26 |
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ID=67316133
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910195370.8A Pending CN110054242A (en) | 2019-03-14 | 2019-03-14 | The spray evaporation strong brine processing system that small cores reactor waste utilizes |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| CN208361929U (en) * | 2018-03-19 | 2019-01-11 | 中国船舶重工集团公司第七一九研究所 | Small cores reactor waste utilizes low-temperature multi-effect seawater desalination device |
-
2019
- 2019-03-14 CN CN201910195370.8A patent/CN110054242A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| CN208361929U (en) * | 2018-03-19 | 2019-01-11 | 中国船舶重工集团公司第七一九研究所 | Small cores reactor waste utilizes low-temperature multi-effect seawater desalination device |
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Application publication date: 20190726 |
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