CN104934085A - Gaseous pathway discharge system used for nuclear power plant liquid effluent discharge - Google Patents
Gaseous pathway discharge system used for nuclear power plant liquid effluent discharge Download PDFInfo
- Publication number
- CN104934085A CN104934085A CN201510157991.9A CN201510157991A CN104934085A CN 104934085 A CN104934085 A CN 104934085A CN 201510157991 A CN201510157991 A CN 201510157991A CN 104934085 A CN104934085 A CN 104934085A
- Authority
- CN
- China
- Prior art keywords
- discharge
- air cooling
- liquid effluent
- power plant
- nuclear power
- 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.)
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention relates to a gaseous pathway discharge system used for nuclear power plant liquid effluent discharge. The gaseous pathway discharge system used for the unclear power plant liquid effluent discharge comprises a plant chimney discharge system and an air cooling tower discharge system. The plant chimney discharge system comprises a plant chimney discharge pipeline, the two ends of the plant chimney discharge pipeline are connected with a monitoring discharge groove and a plant chimney respectively, and a discharge evaporator is connected in the middle of the plant chimney discharge pipeline. The air cooling tower discharge system comprises an air cooling tower discharge pipeline, and the two ends of the air cooling tower discharge pipeline are connected with the monitoring discharge groove and an air cooling tower respectively. According to the present invention, by an evaporation mode, the liquid effluent that is not reused and generated by a nuclear power plant is discharged to an environment via a gaseous pathway, thereby realizing the receiving water not having the liquid effluent and the liquid effluent discharge of the nuclear power plant in a region of insufficient receiving water dilution capability.
Description
Technical field
The invention belongs to nuclear power plant's discharge field, be specifically related to a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge.
Background technology
For solving increasingly serious energy problem, guaranteeing under safe and reliable prerequisite, national departments concerned is just moving forward steadily planning and the Site Selection of inland nuclear power plant.The existing Coastal Nuclear Power Plant of China all adopts liquid effluent slot type discharging modes, and nuclear power plant is multiplexing and the liquid effluent meeting emission standard after treatment enters sea.Relative to Coastal Nuclear Power Plant, easily there is the situation without liquid effluent receiving water body or receiving water body dilution capacity deficiency in the NPP simulator factory site of hinterland, therefore, when without reliable liquid emission approach, gaseous state approach discharging modes can be adopted to realize the discharge of liquid towards effluent, the discharge of air cooling compressor gaseous state approach and factory building chimney gaseous state approach specifically can be adopted to discharge two kinds of modes.
Chinese patent application " the airborne release system of nuclear power plant " (application number 201320306303, authorized announcement date on Dec 25th, 2013) disclosed technical scheme mainly for the discharge of nuclear power plant's secondary circuit steam, do not discharge for liquid effluent.Chinese patent application " the non-active filtering emission system of underground nuclear power station " (application number 201410082994, openly invent on 06 18th, 2014 day) disclosed technical scheme is mainly for the filtering emission of the band radioactivity gas loading in underground nuclear power station containment in major accident situation and reactor building cavern, obvious with the technical solution adopted in the present invention difference.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge, by the mode of evaporation, nuclear power plant is run the not multiplexing liquid effluent produced and pass through gaseous state approach to environmental emission, realize the discharge without liquid effluent receiving water body and receiving water body dilution capacity not enough regional nuclear power plant liquid effluent.
Technical scheme of the present invention is as follows: a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge, comprise factory building smoke stack emission system and air cooling compressor exhaust system, described factory building smoke stack emission system comprises factory building smoke stack emission pipeline (node N01 is to node N02), described factory building smoke stack emission pipeline (node N01 is to node N02) two ends connect monitoring letdown tank and factory building chimney respectively, centre is connected with discharge evaporator, described air cooling compressor exhaust system comprises air cooling compressor bleeder line, described air cooling compressor bleeder line two ends are connected to monitoring letdown tank and air cooling compressor.
Further, the factory building smoke stack emission pipeline between described discharge evaporator and factory building chimney is provided with the first discharge measuring instrument.
Further, between described monitoring letdown tank and air cooling compressor, air cooling compressor bleeder line is provided with the second discharge measuring instrument.
Further, described monitoring letdown tank is provided with the sampling line connecting sample analysis groove.
Further, described air cooling compressor is provided with atomising device.
Beneficial effect of the present invention is as follows: a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge provided by the invention, be provided with factory building smoke stack emission system and air cooling compressor exhaust system, monitoring letdown tank is provided with sampling line, for the liquid effluent collected in sample analysis groove, guarantee that liquid effluent to be discharged meets emission standard; Emission monitoring instrument is provided with between discharge evaporator and factory building chimney, for monitoring the steam in discharge, if monitor steam not meet emission standard, completion of discharge process automatically; Air cooling compressor bleeder line is provided with emission monitoring instrument, if monitor liquid effluent not meet emission standard, completion of discharge process automatically; Therefore the present invention is by the mode of evaporation, safely and effectively nuclear power plant can be run the not multiplexing liquid effluent produced and pass through gaseous state approach to environmental emission, realize the discharge without liquid effluent receiving water body and receiving water body dilution capacity not enough regional nuclear power plant liquid effluent.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge.
In figure: 1 monitoring letdown tank, 2 discharge evaporators, 3 factory building chimneys, 4 air cooling compressors, 5 first discharge measuring instruments, 6 second discharge measuring instruments.
Node N01 to node N02 is factory building smoke stack emission pipeline, node N01 to node N03 is air cooling compressor bleeder line, node N04 to node N05 is sampling line.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge provided by the present invention, comprise factory building smoke stack emission system and air cooling compressor exhaust system, factory building smoke stack emission system comprises factory building smoke stack emission pipeline (node N01 is to node N02), factory building smoke stack emission pipeline (node N01 is to node N02) two ends connect monitoring letdown tank 1 and factory building chimney 3 respectively, centre is connected with discharge evaporator 2, air cooling compressor exhaust system comprises air cooling compressor bleeder line (node N01 is to node N03), air cooling compressor bleeder line (node N01 is to node N03) two ends are connected to monitoring letdown tank 1 and air cooling compressor 4.
The monitoring letdown tank 1 of factory building smoke stack emission system and air cooling compressor exhaust system one end, for collecting the not multiplexing liquid effluent of the nuclear power plant reaching emission standard after treatment.
Monitoring letdown tank 1 is provided with sampling line (node N04 is to node N05), for the liquid effluent collected in sample analysis groove, guarantees that liquid effluent to be discharged meets emission standard.
The discharge evaporator 2 that factory building smoke stack emission pipeline is arranged, for being evaporated to gaseous state (steam) by liquid effluent.Factory building smoke stack emission pipeline (node N01 is to node N02) is connected with factory building chimney 3, is entered in atmospheric environment by the liquid effluent being evaporated to gaseous state by factory building chimney 3.
Air cooling compressor bleeder line (node N01 is to node N03) is for being delivered to air cooling compressor 4 by the not multiplexing liquid effluent of the nuclear power plant reaching emission standard after treatment collected in monitoring letdown tank 1.
Liquid effluent to be discharged to be dispersed in tower in air after being atomized by atomising device in air cooling compressor 4, utilize temperature relatively high with external environment in tower and larger wind speed, and the rear huge gas liquid interfacial area of atomization, realize the completely evaporation of liquid effluent in tower, then enter atmospheric environment by air cooling compressor 4 air outlet.
As shown in Figure 1, discharge evaporator 2 in factory building smoke stack emission pipeline (node N01 is to node N02) and between factory building chimney 3, and monitoring letdown tank 1 in described air cooling compressor bleeder line (node N01 is to node N02) and be respectively arranged with the first discharge measuring instrument 5 and second between air cooling compressor 4 and discharge measuring instrument 6.
Between discharge evaporator 2 and factory building chimney 3, the first discharge measuring instrument 5 is set, for monitoring the steam in discharge, if monitor steam not meet emission standard, completion of discharge process automatically.
Air cooling compressor bleeder line (node N01 is to node N03) arranges the second discharge measuring instrument 6, if monitor liquid effluent not meet emission standard, completion of discharge process automatically.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technology thereof to these amendments of the present invention and modification, then the present invention is also intended to comprise these change and modification.
Claims (5)
1. the gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge, comprise factory building smoke stack emission system and air cooling compressor exhaust system, it is characterized in that: described factory building smoke stack emission system comprises factory building smoke stack emission pipeline, described factory building smoke stack emission pipeline two ends connect monitoring letdown tank (1) and factory building chimney (3) respectively, centre is connected with discharge evaporator (2), described air cooling compressor exhaust system comprises air cooling compressor bleeder line, described air cooling compressor bleeder line two ends are connected to monitoring letdown tank (1) and air cooling compressor (4).
2. a kind of gaseous state approach exhaust system for the discharge of nuclear power plant liquid effluent as claimed in claim 1, is characterized in that: the factory building smoke stack emission pipeline between described discharge evaporator (2) and factory building chimney (3) is provided with the first discharge measuring instrument (5).
3. a kind of gaseous state approach exhaust system for the discharge of nuclear power plant liquid effluent as claimed in claim 1, is characterized in that: between described monitoring letdown tank (1) and air cooling compressor (4), air cooling compressor bleeder line is provided with the second discharge measuring instrument (6).
4. a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge as described in claim as arbitrary in claims 1 to 3, is characterized in that: described monitoring letdown tank (1) is provided with the sampling line connecting sample analysis groove.
5. a kind of gaseous state approach exhaust system for nuclear power plant's liquid effluent discharge as described in claim as arbitrary in claims 1 to 3, is characterized in that: described air cooling compressor (4) is provided with atomising device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157991.9A CN104934085A (en) | 2015-04-03 | 2015-04-03 | Gaseous pathway discharge system used for nuclear power plant liquid effluent discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510157991.9A CN104934085A (en) | 2015-04-03 | 2015-04-03 | Gaseous pathway discharge system used for nuclear power plant liquid effluent discharge |
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| CN104934085A true CN104934085A (en) | 2015-09-23 |
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| CN201510157991.9A Pending CN104934085A (en) | 2015-04-03 | 2015-04-03 | Gaseous pathway discharge system used for nuclear power plant liquid effluent discharge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776224A (en) * | 2021-10-11 | 2021-12-10 | 中国科学技术大学 | Air carrying tritium-containing wastewater system containing condensation dehumidification |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668435A (en) * | 1982-12-20 | 1987-05-26 | Rockwell International Corporation | Thermal conversion of wastes |
| CN2158985Y (en) * | 1993-02-15 | 1994-03-16 | 及兰平 | Envaporating type air humidifier |
| CN203366759U (en) * | 2013-05-30 | 2013-12-25 | 中国核电工程有限公司 | Atmospheric emission system of nuclear power plant |
| CN203839051U (en) * | 2014-03-07 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Passive filtering-discharging system of underground nuclear power station |
| CN104157318A (en) * | 2014-08-12 | 2014-11-19 | 中广核工程有限公司 | Treatment system for hydrogen-containing radioactive waste gas in nuclear power station |
-
2015
- 2015-04-03 CN CN201510157991.9A patent/CN104934085A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668435A (en) * | 1982-12-20 | 1987-05-26 | Rockwell International Corporation | Thermal conversion of wastes |
| CN2158985Y (en) * | 1993-02-15 | 1994-03-16 | 及兰平 | Envaporating type air humidifier |
| CN203366759U (en) * | 2013-05-30 | 2013-12-25 | 中国核电工程有限公司 | Atmospheric emission system of nuclear power plant |
| CN203839051U (en) * | 2014-03-07 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Passive filtering-discharging system of underground nuclear power station |
| CN104157318A (en) * | 2014-08-12 | 2014-11-19 | 中广核工程有限公司 | Treatment system for hydrogen-containing radioactive waste gas in nuclear power station |
Non-Patent Citations (1)
| Title |
|---|
| 刘华: "中国原子能科学研究院含氚废水的最优化处置", 《辐射防护》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776224A (en) * | 2021-10-11 | 2021-12-10 | 中国科学技术大学 | Air carrying tritium-containing wastewater system containing condensation dehumidification |
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Application publication date: 20150923 |
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