CN203791247U - Secondary side pipe plate sludge flushing system for steam generator - Google Patents
Secondary side pipe plate sludge flushing system for steam generator Download PDFInfo
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- CN203791247U CN203791247U CN201320889270.3U CN201320889270U CN203791247U CN 203791247 U CN203791247 U CN 203791247U CN 201320889270 U CN201320889270 U CN 201320889270U CN 203791247 U CN203791247 U CN 203791247U
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- module
- pressure
- pipeline
- secondary side
- pump
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- 238000011010 flushing procedure Methods 0.000 title abstract description 6
- 239000010802 sludge Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 9
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a secondary side pipe plate sludge flushing system for a steam generator. The secondary side pipe plate sludge flushing system comprises a high-pressure module, a water tank module, a suction module, a filtering module, a cooling module, a circulation module and a centralized control module. The centralized control module is respectively connected with the high-pressure module, the water tank module, the suction module, the filtering module, the cooling module and the circulation module through lines. The centralized control module receives signals from all the modules and feeds control signals to all the modules. The sludge flushing system has the advantages of achieving productization of the better degree and the higher automatic level.
Description
Technical field
The invention belongs to nuclear power station steam generator maintenance technique field, be specifically related to a kind of steam generator secondary side tube sheet body refuse rinse-system.
Background technology
Operating Plant Experience shows both at home and abroad, no matter how strict with water management index and measure power plant take, there is corrosion product in various degree to produce, and these corrosion products (body refuse) major part is deposited on SG tube sheet upper surface, gripper shoe/Turbogrid plates, in the gap of shockproof strip, and heat-transfer pipe outer surface, the most of corrosion default of heat-transfer pipe produces all inseparable with the accumulation of body refuse, and the corrosion of generation tubing and damaged key area are steam generator secondary side tube sheet upper surfaces, and the most effective way of body refuse is exactly regularly to adopt water under high pressure to rinse on removing tube sheet.Therefore it is very necessary and necessary, steam generator being carried out in good time body refuse cleaning.As long as have corresponding inspection opening or hand hole also can take same method to the body refuse on gripper shoe/Turbogrid plates.At present, relative technological products degree is poor both at home and abroad, and automatization level is lower, and therefore urgently a kind of productionization extent is good, the system that automatization level is high.
Summary of the invention
It is good that the technical problem that will solve of the present invention is to provide a kind of productionization extent, the steam generator secondary side tube sheet body refuse rinse-system that automatization level is high.
In order to solve the problems of the technologies described above, technical scheme of the present invention is that a kind of steam generator secondary side tube sheet body refuse rinse-system, comprises high-pressure modular, water tank module, suction module, filtering module, refrigerating module, circulation module, centralized control module;
Described suction module entrance, by the water UNICOM of pipeline and steam generator secondary side tube sheet bottom, rinses the working medium after body refuse in order to extract steam generator secondary side tube sheet out;
The entrance of described filtering module is connected with the outlet of suction module by pipeline, in order to filter the working medium of being extracted out by suction module;
The outlet of described filtering module is connected to the entrance of refrigerating module by pipeline, the outlet of described refrigerating module is connected to the entrance of described water tank module by pipeline; Working medium after described refrigerating module filters in order to cooling module after filtration;
Two outlets of described water tank module are connected to the entrance of high-pressure modular and the entrance of circulation module by pipeline respectively; The outlet of described high-pressure modular is connected to rinse the entrance of the injection apparatus of steam generator secondary side tube sheet body refuse by pipeline; The outlet of described circulation module is inner by pipeline steam injection generator secondary side hand hole;
Described high-pressure modular is in order to convert the water from water tank module to high-pressure water jet; Described circulation module is in order to convert the water from water tank module to middle pressure water jet;
Described centralized control module is connected with described high-pressure modular, water tank module, suction module, filtering module, refrigerating module, circulation module by circuit respectively, receives the signal from modules, and control signal is fed back to modules.
Described high-pressure modular comprises high-pressure pump motor, high-pressure plunger pump, booster pump, filter, safety valve, yielding coupling, sensor cluster;
Described high-pressure pump motor actuation plunger pump; Between described high-pressure plunger pump intake and supercharging delivery side of pump, by the first pipeline, be connected, filter is arranged on described the first pipeline;
Described safety valve is connected in the high-pressure water chamber place of high-pressure pump, the self-protection for high-pressure pump under overvoltage condition;
Described yielding coupling one end connects the driving shaft of high-pressure pump motor, and the other end connects the power shaft of high-pressure plunger pump; It connects for high-pressure plunger pump and power source;
Described sensor cluster comprises Lubricating Oil Temperature pressure sensor, intake pressure switch, high-pressure outlet pressure transmitter, inlet air source pressure switch, proportional dump valve;
Lubricating Oil Temperature pressure sensor is installed on the lubricating pipe of high-pressure plunger pump; Intake pressure switch is installed on the inlet duct of high-pressure plunger pump; High-pressure outlet pressure transmitter is installed on the outlet conduit of high-pressure plunger pump; Inlet air source pressure switch, proportional dump valve are installed on the gas path pipe of high-pressure plunger pump;
Described sensor cluster and centralized control module are passed through connection.
Described water tank module comprises a water tank, small handcart; Described water tank is fixed on small handcart;
Visual liquid level dial gauge is installed, for real time monitoring cistern water level on described water tank; Also comprise the level pressure transmitter, the temperature transmitter that are arranged on water tank, the signal output part of described level pressure transmitter and temperature transmitter is connected with centralized control module by circuit.
Described suction module comprises membrane pump, air distribution unit;
Described three membrane pumps are connected in parallel by pipeline, and described air distribution unit is respectively described three membrane pump air feed; Described air distribution unit comprises three magnetic valves, and described three magnetic valves are controlled respectively three membrane pumps, and are connected with centralized control module by circuit.
Described filtering module comprises the filter of 3 different filtering accuracies; The filter of these 3 different accuracies is 10 μ, 1 μ and 0.5 μ filter, and they are connected in series by pipeline successively;
On the import and export pipeline of described 10 μ, 1 μ and 0.5 μ filter, pressure transmitter is all installed; Described pressure transmitter is connected with described centralized control module by circuit.
Refrigerating module comprises blower fan, the second pipeline; Described the second pipeline is triangle in-line arrangement form, and its import and export are provided with two temperature sensors; The air outlet of blower fan is over against described the second pipeline;
Blower fan and two temperature sensors are connected with centralized control module by circuit.
Described circulation module comprises centrifugal pump and in order to drive the motor of this centrifugal pump, described motor is connected with described centralized control module by circuit.
The entrance of described booster pump is connected in water tank outlet by pipeline; High-pressure plunger delivery side of pump is connected on injection apparatus by pipeline; Described injection apparatus is arranged on steam generator secondary side hand hole top, for the body refuse of steam generator secondary side tube sheet is rinsed;
The import of described the second pipeline is connected with the outlet of 0.5 μ filter in filtering module, and its outlet is connected with tank entry;
The entrance of 10 μ filters in filtering module is connected with described suction module barrier film delivery side of pump by pipeline;
The membrane pump entrance of described suction module is by the water UNICOM of pipeline and steam generator secondary side tube sheet bottom;
The entrance of the centrifugal pump of described circulation module is connected with water tank by pipeline, and its outlet is inner by the 3rd pipeline steam injection generator secondary side hand hole; The hand hole of the steam generator secondary side hand hole of described installation injection apparatus and the 3rd pipeline steam injection generator secondary side is same.
The invention has the beneficial effects as follows and realized the commercialization of better degree and higher automatization level.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of steam generator secondary side tube sheet of the present invention body refuse rinse-system;
In figure: 1-high-pressure modular, 2-water tank module, 3-suction module, 4-filtering module, 5-refrigerating module, 6-circulation module, 7-centralized control module, 8-steam generator.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
A kind of steam generator secondary side tube sheet of the present invention body refuse rinse-system, comprises high-pressure modular 1, water tank module 2, suction module 3, filtering module 4, refrigerating module 5, circulation module 6, centralized control module 7;
Described high-pressure modular 1 comprises high-pressure pump motor, high-pressure plunger pump, booster pump, filter, safety valve, yielding coupling, sensor cluster;
Described high-pressure pump motor actuation plunger pump; Between described high-pressure plunger pump intake and supercharging delivery side of pump, by the first pipeline, be connected, filter is arranged on described the first pipeline;
Described safety valve is connected in the high-pressure water chamber place of high-pressure pump, the self-protection for high-pressure pump under overvoltage condition;
Described yielding coupling one end connects the driving shaft of motor, and the other end connects the power shaft of high-pressure plunger pump; It connects for high-pressure plunger pump and power source;
Described sensor cluster comprises Lubricating Oil Temperature pressure sensor, intake pressure switch, high-pressure outlet pressure transmitter, inlet air source pressure switch, proportional dump valve;
Lubricating Oil Temperature pressure sensor is installed on the lubricating pipe of high-pressure plunger pump; Intake pressure switch is installed on the inlet duct of high-pressure plunger pump; High-pressure outlet pressure transmitter is installed on the outlet conduit of high-pressure plunger pump; Inlet air source pressure switch, proportional dump valve are installed on the gas path pipe of high-pressure plunger pump;
Described sensor cluster and centralized control module 7 are passed through connection;
Lubricating Oil Temperature pressure sensor, inlet air source pressure switch, intake pressure switch are for the protection of high-pressure plunger pump safe operation;
Described water tank module 2 comprises a water tank, small handcart; Described water tank is fixed on small handcart; Described water tank capacity is 2 cubic metres
Visual liquid level dial gauge is installed, for real time monitoring cistern water level on described water tank; Also comprise the level pressure transmitter, the temperature transmitter that are arranged on water tank, the signal output part of described water level transmitter and temperature transmitter is connected with centralized control module 7 by circuit;
This module is used for storing flushing demineralized water, receives from the filtered water of filtering module 4, so that water for cleaning recycles simultaneously.
Described suction module 3 comprises membrane pump, air distribution unit;
Described three membrane pumps are connected in parallel by pipeline, and described air distribution unit is respectively described three membrane pump air feed; Described air distribution unit comprises three magnetic valves, and described three magnetic valves are controlled respectively three membrane pumps, and are connected with centralized control module 7 by circuit;
Described filtering module 4 comprises the filter of 3 different filtering accuracies; The filter of these 3 different accuracies is 10 μ, 1 μ and 0.5 μ filter, and they are connected in series by pipeline successively;
On the import and export pipeline of described 10 μ, 1 μ and 0.5 μ filter, pressure transmitter is all installed; Described pressure transmitter is connected with described centralized control module 7 by circuit;
Refrigerating module 5 comprises blower fan, the second pipeline; Described the second pipeline is triangle in-line arrangement form, and its import and export are provided with two temperature sensors; The air outlet of blower fan is over against described the second pipeline;
Blower fan and two temperature sensors are connected with centralized control module 7 by circuit;
Described circulation module 6 comprises centrifugal pump and in order to drive the motor of this centrifugal pump, described motor is connected with described centralized control module 7 by circuit;
The signal that described centralized control module 7 receives from modules, and control signal is fed back to modules;
The entrance of described booster pump is connected in water tank outlet by pipeline; High-pressure plunger delivery side of pump is connected on injection apparatus by pipeline;
Described injection apparatus is arranged on steam generator 8 secondary side hand hole tops, for the body refuse of steam generator 8 secondary side tube sheets is rinsed;
The import of described the second pipeline is connected with the outlet of 0.5 μ filter in filtering module 4, and its outlet is connected with tank entry;
The entrance of 10 μ filters in filtering module 4 is connected with described suction module 3 barrier film delivery side of pump by pipeline;
The membrane pump entrance of described suction module 3 is by the water UNICOM of pipeline and steam generator 8 secondary side tube sheet bottoms;
The entrance of the centrifugal pump of described circulation module 6 is connected with water tank by pipeline, and its outlet is inner by the 3rd pipeline steam injection generator 8 secondary side hand holes; The steam generator 8 secondary side hand holes of described installation injection apparatus and the hand hole of the 3rd pipeline steam injection generator 8 secondary sides are same:
In specific operation process:
The water that desalts (deionized water) that meets water chemistry standard of certain volume injects water tank (water tank module 2); Wash water is sent to high-pressure plunger pump (high-pressure modular 1) from water tank by fore pump, is forced into the water under high pressure of operating pressure through high-pressure plunger pump; Water under high pressure arrives the injection apparatus that is arranged on steam generator 8 secondary sides along pipeline, through being arranged on the nozzle of injection apparatus head, penetrate formation high-pressure water jet, rinses steam generator 8 secondary side tube sheet body refuses.If needed, when carrying out high pressure washing, water in water tank is (atmospheric pressure < pressure≤3MPa) (i.e. middle setting-out) in steam injection generator 8 by the road after centrifugal pump (circulation module 6) pressurization, for driveing body refuse.The mud mixture forming in flushing process, by membrane pump (suction module 3), extract steam generator 8 out, along pipeline, deliver to filter (filtering module 4), through being provided with after the filter filtration of multistage filter core, body refuse is trapped within on filter core, after filtering, clean water comes back to water tank, recycles.
Claims (8)
1. a steam generator secondary side tube sheet body refuse rinse-system, is characterized in that: comprise high-pressure modular (1), water tank module (2), suction module (3), filtering module (4), refrigerating module (5), circulation module (6), centralized control module (7);
Described suction module (3) entrance, by the water UNICOM of pipeline and steam generator secondary side tube sheet bottom, rinses the working medium after body refuse in order to extract steam generator secondary side tube sheet out;
The entrance of described filtering module (4) is connected with the outlet of suction module (3) by pipeline, in order to filter the working medium of being extracted out by suction module (3);
The outlet of described filtering module (4) is connected to the entrance of refrigerating module (5) by pipeline, the outlet of described refrigerating module (5) is connected to the entrance of described water tank module (2) by pipeline; Working medium after described refrigerating module (5) filters in order to cooling module after filtration (3);
Two outlets of described water tank module (2) are connected to the entrance of high-pressure modular (1) and the entrance of circulation module (6) by pipeline respectively; The outlet of described high-pressure modular (1) is connected to rinse the entrance of the injection apparatus of steam generator secondary side tube sheet body refuse by pipeline; The outlet of described circulation module (6) is inner by pipeline steam injection generator secondary side hand hole;
Described high-pressure modular (1) is in order to convert the water from water tank module (2) to high-pressure water jet; Described circulation module (6) is in order to convert the water from water tank module (2) to middle pressure water jet;
Described centralized control module (7) is connected with described high-pressure modular (1), water tank module (2), suction module (3), filtering module (4), refrigerating module (5), circulation module (6) by circuit respectively, reception is from the signal of modules, and control signal is fed back to modules.
2. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 1, it is characterized in that: described high-pressure modular (1) comprises high-pressure pump motor, high-pressure plunger pump, booster pump, filter, safety valve, yielding coupling, sensor cluster;
Described high-pressure pump motor actuation plunger pump; Between described high-pressure plunger pump intake and supercharging delivery side of pump, by the first pipeline, be connected, filter is arranged on described the first pipeline;
Described safety valve is connected in the high-pressure water chamber place of high-pressure pump, the self-protection for high-pressure pump under overvoltage condition;
Described yielding coupling one end connects the driving shaft of high-pressure pump motor, and the other end connects the power shaft of high-pressure plunger pump; It connects for high-pressure plunger pump and power source;
Described sensor cluster comprises Lubricating Oil Temperature pressure sensor, intake pressure switch, high-pressure outlet pressure transmitter, inlet air source pressure switch, proportional dump valve;
Lubricating Oil Temperature pressure sensor is installed on the lubricating pipe of high-pressure plunger pump; Intake pressure switch is installed on the inlet duct of high-pressure plunger pump; High-pressure outlet pressure transmitter is installed on the outlet conduit of high-pressure plunger pump; Inlet air source pressure switch, proportional dump valve are installed on the gas path pipe of high-pressure plunger pump;
Described sensor cluster and centralized control module (7) are passed through connection.
3. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 2, it is characterized in that: described water tank module (2) comprises a water tank, small handcart; Described water tank is fixed on small handcart;
Visual liquid level dial gauge is installed, for real time monitoring cistern water level on described water tank; Also comprise the level pressure transmitter, the temperature transmitter that are arranged on water tank, the signal output part of described level pressure transmitter and temperature transmitter is connected with centralized control module (7) by circuit.
4. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 3, it is characterized in that: described suction module (3) comprises membrane pump, air distribution unit;
Described three membrane pumps are connected in parallel by pipeline, and described air distribution unit is respectively described three membrane pump air feed; Described air distribution unit comprises three magnetic valves, and described three magnetic valves are controlled respectively three membrane pumps, and is connected with centralized control module (7) by circuit.
5. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 4, it is characterized in that: described filtering module (4) comprises the filter of 3 different filtering accuracies; The filter of these 3 different accuracies is 10 μ, 1 μ and 0.5 μ filter, and they are connected in series by pipeline successively;
On the import and export pipeline of described 10 μ, 1 μ and 0.5 μ filter, pressure transmitter is all installed; Described pressure transmitter is connected with described centralized control module (7) by circuit.
6. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 5, it is characterized in that: refrigerating module (5) comprises blower fan, the second pipeline; Described the second pipeline is triangle in-line arrangement form, and its import and export are provided with two temperature sensors; The air outlet of blower fan is over against described the second pipeline;
Blower fan and two temperature sensors are connected with centralized control module (7) by circuit.
7. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 6, it is characterized in that: described circulation module (6) comprises centrifugal pump and in order to drive the motor of this centrifugal pump, described motor is connected with described centralized control module (7) by circuit.
8. according to steam generator secondary side tube sheet body refuse rinse-system claimed in claim 7, it is characterized in that: the entrance of described booster pump is connected in water tank outlet by pipeline; High-pressure plunger delivery side of pump is connected on injection apparatus by pipeline; Described injection apparatus is arranged on steam generator secondary side hand hole top, for the body refuse of steam generator secondary side tube sheet is rinsed;
The import of described the second pipeline is connected with the outlet of 0.5 μ filter in filtering module (4), and its outlet is connected with tank entry;
The entrance of 10 μ filters in filtering module (4) is connected with described suction module (3) barrier film delivery side of pump by pipeline;
The membrane pump entrance of described suction module (3) is by the water UNICOM of pipeline and steam generator secondary side tube sheet bottom;
The entrance of the centrifugal pump of described circulation module (6) is connected with water tank by pipeline, and its outlet is inner by the 3rd pipeline steam injection generator (8) secondary side hand hole; The hand hole of the steam generator secondary side hand hole of described installation injection apparatus and the 3rd pipeline steam injection generator secondary side is same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889270.3U CN203791247U (en) | 2013-12-30 | 2013-12-30 | Secondary side pipe plate sludge flushing system for steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889270.3U CN203791247U (en) | 2013-12-30 | 2013-12-30 | Secondary side pipe plate sludge flushing system for steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791247U true CN203791247U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889270.3U Expired - Lifetime CN203791247U (en) | 2013-12-30 | 2013-12-30 | Secondary side pipe plate sludge flushing system for steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791247U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175228A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning guider |
| CN108266717A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of rinse-system for horizontal steam generator header blowdown cave room |
| CN109300564A (en) * | 2018-09-20 | 2019-02-01 | 中国辐射防护研究院 | A kind of device and method of the blocking of simulation steam and corrosion filter |
| CN109454047A (en) * | 2018-12-21 | 2019-03-12 | 核动力运行研究所 | A kind of novel steam generator secondary side tube sheet body refuse suction system |
| CN109967422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side tube sheet body refuse high pressure water flooding nozzle |
| CN110822406A (en) * | 2019-11-20 | 2020-02-21 | 苏州热工研究院有限公司 | Full-tube-bundle leaching system and leaching method for steam generator |
-
2013
- 2013-12-30 CN CN201320889270.3U patent/CN203791247U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175228A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning guider |
| CN108266717A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of rinse-system for horizontal steam generator header blowdown cave room |
| CN108266717B (en) * | 2016-12-30 | 2023-11-24 | 核动力运行研究所 | Flushing system for drain cavity of collecting pipe of horizontal steam generator |
| CN109967422A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | One kind being used for steam generator secondary side tube sheet body refuse high pressure water flooding nozzle |
| CN109967422B (en) * | 2017-12-27 | 2024-01-12 | 核动力运行研究所 | High-pressure water flushing nozzle for sludge of secondary side pipe plate of steam generator |
| CN109300564A (en) * | 2018-09-20 | 2019-02-01 | 中国辐射防护研究院 | A kind of device and method of the blocking of simulation steam and corrosion filter |
| CN109454047A (en) * | 2018-12-21 | 2019-03-12 | 核动力运行研究所 | A kind of novel steam generator secondary side tube sheet body refuse suction system |
| CN110822406A (en) * | 2019-11-20 | 2020-02-21 | 苏州热工研究院有限公司 | Full-tube-bundle leaching system and leaching method for steam generator |
| CN110822406B (en) * | 2019-11-20 | 2021-05-14 | 苏州热工研究院有限公司 | Full-tube-bundle leaching system and leaching method for steam generator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140827 |
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