DE2136185A1 - STEAM POWER PLANT FOR NUCLEAR POWER PLANTS WITH PRESSURE WATER REACTORS - Google Patents
STEAM POWER PLANT FOR NUCLEAR POWER PLANTS WITH PRESSURE WATER REACTORSInfo
- Publication number
- DE2136185A1 DE2136185A1 DE2136185A DE2136185A DE2136185A1 DE 2136185 A1 DE2136185 A1 DE 2136185A1 DE 2136185 A DE2136185 A DE 2136185A DE 2136185 A DE2136185 A DE 2136185A DE 2136185 A1 DE2136185 A1 DE 2136185A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- line
- filter
- blowdown
- power plant
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 30
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002354 radioactive wastewater Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/06—Filters making use of electricity or magnetism
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
- G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Filtration Of Liquid (AREA)
Description
Kraftwerk Union Aktiengesellschaft Erlangen, 19.7.71Kraftwerk Union Aktiengesellschaft Erlangen, 7/19/71
Werner-von-Siemens-Str.Werner-von-Siemens-Str.
Unser Zeichen: VPA 71/9316 Skn/DiOur reference: VPA 71/9316 Skn / Di
Dampfkraftanlage für Kernkraftwerke mit Druckwasser-ReaktorenSteam power plant for nuclear power plants with pressurized water reactors
Die Erfindung "bezieht sich auf eine Dampfkraftanlage für Kernkraftwerke mit Druckwasser-Reaktoren, bei der durch Aufkonzentrierung von vorhandenen und laufend entstehenden Verunreinigungen im Wasserkreislauf anfallende Abschlämmwassermengen abzuführen sind. Im allgemeinen pflegt man die Abschlämmwassermengen zunächst in einem Entspannungsgefäß auf niedrigeren Druck zu bringen, danach die Abschlämmung über einen Laugenkühler auf Temperaturen von beispielsweise 400O abzukühlen, dann jedoch die Abschlämmung zu verwerfen. Dadurch können mitunter erhebliche Wasserverluste auftreten. Ein weiterer Nachteil besteht darin, daß bei Leckagen zwischen Primär- und Sekundärkreislauf das Abschlämmwasser in der Aufbereitungsanlage für radioaktive Abwässer weiter verarbeitet werden muß. Wird die Kapazität dieser Anlage dabei überschritten, so muß das Kraftwerk abgestellt werden. The invention "relates to a steam power plant for nuclear power plants with pressurized water reactors, in which by the concentration of existing and continuously arising impurities in the water circuit, the amount of blowdown water that occurs is to be discharged To cool the blowdown using a caustic cooler to temperatures of, for example, 40 0 O, but then discard the blowdown. This can result in considerable water losses If the capacity of this plant is exceeded, the power plant must be shut down.
Die Erfindung vermeidet diese Nachteile und besteht darin, daß im Zuge der Abschlämmleitung eine Reinigungseinrichtung mit einem Elektfomagnetfilter in Verbindung mit einem Mischbettfilter von solcher Ausbildung angeordnet ist, daß zumindest ein wesentlicher Teil des in der Abschlämmwassermenge enthaltenen Wassers in den Kreislauf rückführbar ist. Wenn jetzt also das Abschlämmwasser durch Elektromagnetfilter oder in ähnlicher Weise wirksame Filter sowie Mischbettoder Pulverharzfilter so weit gereinigt wird, daß es in den Kreislauf zurückgeführt werden kann, so läßt sich der Zusatzwasserbedarf erheblich reduzieren. Bei Leckagen zwischenThe invention avoids these disadvantages and consists in the fact that in the course of the blowdown line a cleaning device with an electromagnetic filter in connection with a mixed bed filter is arranged of such a design that at least a substantial part of the amount of blowdown water contained water is recyclable. So if now the blowdown water through electromagnetic filters or similarly effective filters as well as mixed-bed or powder resin filters are cleaned to such an extent that it enters the Can be returned to the cycle, the additional water requirement can be reduced considerably. In the event of leaks between
209885/0118209885/0118
- 2 - YPA 71/9316- 2 - YPA 71/9316
Primär- und Sekundärkreislauf können die dabei eingeschleppten ungelösten und gelösten Aktivitatsträger aus dem Wasser beseitigt werden, sodaß der Betrieb aufrecht erhalten werden kann. Lediglich die anfallenden wesentlich geringeren Spül- und Regenerierwässer müssen in der Aufbereitungsanlage für radioaktive Abwasser weiter verarbeitet werden.The primary and secondary circuits can be introduced undissolved and dissolved activity carriers from the water eliminated so that operations can continue. Only the significantly lower flushing and regeneration water must be processed further in the treatment plant for radioactive waste water.
An Hand der Zeichnung soll die Erfindung näher erläutert werden. Die Figur zeigt ein Ausführungsbeispiel in seinen für die Erfindung wesentlichen Teilen in stark vereinfachter schematischer Darstellung.The invention is to be explained in more detail with reference to the drawing. The figure shows an embodiment in its for the invention essential parts in a greatly simplified schematic Depiction.
Das in den Dampferzeugern durch Aufkonzentrierung der vorhandenen Verunreinigungen anfallende Abschlämmwasser wird einem nicht näher dargestellten Entspannungsgefäß sowie einem laugenkühler entnommen und über die leitung 1 mit der Meßblende 2 und dem Absperrventil 3 der Reinigungseinrichtung zugeführt. Die Erfindung beruht auf der Erkenntnis, daß die Verunreinigungen hauptsächlich aus Eisenoxiden und Salzen bestehen, sodaß zur Rückgewinnung des Wassers eine elektromagnetische Abscheidung in Verbindung mit einem Mischbettfilter im wesentlichen als ausreichend zu erachten ist. Die Abschlämmung gelangt demgemäß in das Elektromagnetfilter 4 und verläßt dieses, von ferritischen Verunreinigungen befreit, über die leitung 5·This in the steam generators by concentrating the existing ones Impurities accumulating blowdown water is a not shown expansion vessel and a Lye cooler removed and fed via line 1 to the measuring orifice 2 and the shut-off valve 3 of the cleaning device. The invention is based on the knowledge that the impurities mainly consist of iron oxides and salts, so that for the recovery of the water an electromagnetic separation in connection with a mixed bed filter essentially is to be considered sufficient. The blowdown accordingly arrives in the electromagnetic filter 4 and leaves it, freed from ferritic impurities, via the line 5
Das Elektromagnetfilter 4 arbeitet in der Weise, daß die zu reinigenden Wassermengen einen mit hartmagnetischen Stahlkugeln teilweise oder nahezu voll gefüllten Hohlraum durchsetzen, wobei mit verhältnismäßig hohen Erregerströmen eine starke Aufmagnetisierung^ der Stahlkugeln vorzugsweise bis weit über deren magnetische Sättigung hinaus erfolgt, sodaß sich dann die magnetisierbaren Verunreinigungen an die hartmagnetischen Kugeln anlegen. Von Zeit zu Zeit ist eine Spülung oder Regenerierung des Elektromagnetfilters erforderlich; beim Spülvorgang kann dabei zerhackter Gleichstrom abnehmender und abwechselnd entgegengerichteter Polarität zur Entregung desThe electromagnetic filter 4 works in such a way that the quantities of water to be cleaned penetrate a cavity partially or almost completely filled with hard magnetic steel balls, with relatively high excitation currents, a strong magnetization ^ of the steel balls, preferably up to takes place far beyond their magnetic saturation, so that the magnetizable impurities then apply to the hard magnetic balls. From time to time there is a rinse or regeneration of the electromagnetic filter required; During the flushing process, chopped direct current can decrease and alternately opposite polarity to de-excite the
- 3 2098 85/0118 - 3 2098 85/0118
- 3 - VPA 71/9316- 3 - VPA 71/9316
Filters verwendet und gleichzeitig Spülwasser unter solchem Druck und in solcher Menge zugeführt werden, daß die Stahlkugeln aufgewirbelt werden und eine tanzende Bewegung ausführen. Filters used and at the same time rinse water under such Pressure and applied in such an amount that the steel balls are whirled up and perform a dancing movement.
Vom Elektromagnetfilter 4 aus gelangt die Abschlämmung über die Leitung 5 zum Mischbettfilter 6, wobei das so gereinigte Wasser über die Leitung 16, 7 in den Maschinenkondensator oder in den Kondensatstrang geleitet und somit in den Kreislauf zurückgeführt wird. Enthält das Wasser im wesentlichen nur oxidische Verunreinigungen, so kann die Rückführung unter Umgehung des Mischbettfilters 6 bei geschlossenem Absperrventil 8 und geöffnetem Absperrventil 9 über die Bypaßleitung 10, die Rückschlagklappe 11 und das Dreiwegeventil 12 sowie die Leitung 7 in den Kreislauf erfolgen. Ionogene Verunreinigungen werden dagegen durch das Mischbettfilter 6 beseitigt, dem aus Sicherheitsgründen noch ein Harzfänger 13 nachgeschaltet sein kann.The elutriation passes over from the electromagnetic filter 4 the line 5 to the mixed bed filter 6, wherein the purified water via the line 16, 7 into the machine condenser or directed into the condensate line and thus into the circuit is returned. If the water essentially only contains oxidic impurities, the recirculation can be bypassed of the mixed bed filter 6 with the shut-off valve 8 closed and the shut-off valve 9 open via the bypass line 10, the Check valve 11 and the three-way valve 12 and the line 7 take place in the circuit. Ionic impurities are, however, eliminated by the mixed-bed filter 6, which is followed by a resin trap 13 for safety reasons can.
Die Spülung und Regenerierung des Elektromagnetfilters 4 kann mit dem über die Leitung 1 vom Laugenkühler herangeführten Wasser vorgenommen werden. Das Mischbettfilter 6 kann, wie durch die Leitung 14 angedeutet ii-ΐ, mit Natronlauge und außerdem, wie durch die Leitung 15 angedeutet i.~*t, mit Salzsäure oder Schwefelsäure regeneriert werden. Die Leitungen 14 und 15 sind von der Wasseraufbei eitungsanlage herangeführt.The flushing and regeneration of the electromagnetic filter 4 can be carried out with the water brought in via line 1 from the caustic cooler. The mixed bed filter 6 can, as by the line 14 indicated ii-ΐ, with caustic soda and also, as indicated by line 15 i. ~ * t, with hydrochloric acid or Sulfuric acid can be regenerated. The lines 14 and 15 are brought up from the water treatment plant.
Die Spül- und Regenerierwässer können von der Austrittsleitung 16 bei geöffnetem Ventil 17 über die Leitung 18 zu einem Neutralisationsbecken abgeleitet werden. Bei Leckagen zwischen Primär- und Sekundärkreislauf erfolgt die Ableitung dieser Wässer bei jetzt geöffnetem Ventil 19 über die Leitung 20 zur Abwasseraufbereitungi Mit 21 ist eine Leitung bezeichnet. die zum Eauptküh.3 wasserablauf führt.The rinsing and regeneration water can flow from the outlet line 16 via the line 18 when the valve 17 is open a neutralization basin. In the event of leaks between the primary and secondary circuit, the discharge takes place this water with the valve 19 now open via the line 20 for wastewater treatmenti With 21 is a line designated. which leads to the Eauptküh.3 water drain.
5 Patentansprüche
1 Figur5 claims
1 figure
- 4 -209885/0118- 4 -209885/0118
Claims (1)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2136185A DE2136185C3 (en) | 1971-07-20 | 1971-07-20 | Process for cleaning blowdown water in steam power plants with nuclear reactors |
| CH1070272A CH538638A (en) | 1971-07-20 | 1972-07-14 | Steam power plant for nuclear power plants with pressurized water reactors |
| FR7225870A FR2146810A5 (en) | 1971-07-20 | 1972-07-18 | |
| GB3385172A GB1376049A (en) | 1971-07-20 | 1972-07-19 | Nuclear power plant |
| IT27149/72A IT962972B (en) | 1971-07-20 | 1972-07-19 | STEAM ENERGY PRODUCTION PLANT FOR ELECTRONUCLEAR CENTRAL UNITS WITH PRESSURIZED WATER REACTORS |
| CA147,453A CA992000A (en) | 1971-07-20 | 1972-07-19 | Steam power plant for nuclear power stations having pressurized water reactors |
| ES404994A ES404994A1 (en) | 1971-07-20 | 1972-07-20 | Nuclear power plant |
| JP47072142A JPS4835291A (en) | 1971-07-20 | 1972-07-20 | |
| US05/471,844 US3972772A (en) | 1971-07-20 | 1974-05-21 | Steam power plant for nuclear reactor stations having pressurized water reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2136185A DE2136185C3 (en) | 1971-07-20 | 1971-07-20 | Process for cleaning blowdown water in steam power plants with nuclear reactors |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2136185A1 true DE2136185A1 (en) | 1973-02-01 |
| DE2136185B2 DE2136185B2 (en) | 1981-06-11 |
| DE2136185C3 DE2136185C3 (en) | 1982-04-01 |
Family
ID=5814220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2136185A Expired DE2136185C3 (en) | 1971-07-20 | 1971-07-20 | Process for cleaning blowdown water in steam power plants with nuclear reactors |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4835291A (en) |
| CA (1) | CA992000A (en) |
| CH (1) | CH538638A (en) |
| DE (1) | DE2136185C3 (en) |
| ES (1) | ES404994A1 (en) |
| FR (1) | FR2146810A5 (en) |
| GB (1) | GB1376049A (en) |
| IT (1) | IT962972B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5569096A (en) * | 1978-11-20 | 1980-05-24 | Organo Kk | Method of processing primary coolant of atomic power plant |
| JPS5876115A (en) * | 1981-11-02 | 1983-05-09 | Hitachi Ltd | Method and apparatus for purifying liquid |
| JP2548057B2 (en) * | 1992-03-02 | 1996-10-30 | 戸田建設株式会社 | Caisson sinking method |
-
1971
- 1971-07-20 DE DE2136185A patent/DE2136185C3/en not_active Expired
-
1972
- 1972-07-14 CH CH1070272A patent/CH538638A/en not_active IP Right Cessation
- 1972-07-18 FR FR7225870A patent/FR2146810A5/fr not_active Expired
- 1972-07-19 CA CA147,453A patent/CA992000A/en not_active Expired
- 1972-07-19 GB GB3385172A patent/GB1376049A/en not_active Expired
- 1972-07-19 IT IT27149/72A patent/IT962972B/en active
- 1972-07-20 JP JP47072142A patent/JPS4835291A/ja active Pending
- 1972-07-20 ES ES404994A patent/ES404994A1/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| Mitteilungen der VGB 50. 1970/6, S. 483 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA992000A (en) | 1976-06-29 |
| DE2136185C3 (en) | 1982-04-01 |
| FR2146810A5 (en) | 1973-03-02 |
| JPS4835291A (en) | 1973-05-24 |
| DE2136185B2 (en) | 1981-06-11 |
| IT962972B (en) | 1973-12-31 |
| GB1376049A (en) | 1974-12-04 |
| ES404994A1 (en) | 1978-01-01 |
| CH538638A (en) | 1973-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OF | Willingness to grant licences before publication of examined application | ||
| C3 | Grant after two publication steps (3rd publication) |