CN202887590U - Steam generation unit - Google Patents
Steam generation unit Download PDFInfo
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- CN202887590U CN202887590U CN 201220637145 CN201220637145U CN202887590U CN 202887590 U CN202887590 U CN 202887590U CN 201220637145 CN201220637145 CN 201220637145 CN 201220637145 U CN201220637145 U CN 201220637145U CN 202887590 U CN202887590 U CN 202887590U
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Abstract
The utility model discloses a steam generation unit, belonging to the field of steam generators. The steam generation unit comprises a water filter, a pre-heater, a water pump, a first adjusting valve, a second adjusting valve, a check valve, a water gauge, a steam generator, a cooling water tank and a pipeline. A tap water inlet is connected with the first adjusting valve of the steam generation unit; the first adjusting valve, the water filter, the pre-heater, the water pump, the check valve and the second adjusting valve are connected by a pipeline in sequence; a water inlet of the water gauge is connected with the second adjusting valve; a water outlet of the water gauge is connected to the steam generator water inlet at the left lower side of the stream generator; a steam outlet on the upper part of the steam generator is connected with a steam flow meter; and the steam flow meter is communicated with a cooling water tank by a third adjusting valve. The steam generation unit can be used as an auxiliary teaching way; and meanwhile, the steam generation unit is small in floor space, low in cost, easy to operate, and further can be used for the researching of water level control, fault diagnosis and the like.
Description
Technical field
The utility model relates to a kind of steam generator field, refers more particularly to the course of work that can simulate nuclear power station steam generator on the principle, can satisfy again a kind of steam raising plant of teaching demonstration and research work simultaneously.
Background technology
Steam generator is important exchange heat equipment in the pressurized-water reactor nuclear power plant, studies its dynamic perfromance most important for the running status of understanding nuclear power station under stable state and the transient condition.Because of condition restriction such as fund, places, large scale industry level steam generator is not suitable as the teaching demonstration apparatus.Existing small-sized steam generator is owing to differing larger at the aspect such as principle, structure, function and nuclear boiler on the market, and is equally also inapplicable.At present, teaching is broadly divided into two classes with model steam generator: mock-up and mathematic simulated mode.Existing mock-up is the materials such as employing acrylic mostly, after dwindling according to a certain percentage on the reference basis of actual nuclear boiler, make, although this class model is the detailed structure of presentation device inside preferably, do not possess the display function of the dynamic processes such as the flowing of working medium, heat transfer, evaporation.Although and mathematic simulated mode can simulate equipment dynamic perfromance, it is a computer simulation program in essence, compares with mock-up, the teaching demonstration function of this class model is relatively poor.
The utility model content
The purpose of this utility model is can't simulate with model steam generator for present teaching the deficiency of the nuclear power station steam generator course of work and dynamic perfromance, and a kind of steam raising plant is provided.
A kind of steam raising plant, this device is comprised of water filter 3, primary heater 4, water pump 5, the first variable valve 2, the second variable valve 22, reverse checkvalve 6, water ga(u)ge 7, steam generator 8, water tank 10 and pipeline; Wherein,
Running water inlet 1 links to each other with the first variable valve 2, the first variable valve 2, water filter 3, primary heater 4, water pump 5, reverse checkvalve 6 and the second variable valve 22 link to each other successively through pipeline, the water inlet of water ga(u)ge 7 links to each other with the second variable valve 22, the water delivering orifice of water ga(u)ge 7 is connected on the steam generator water inlet 13 of lower-left side of steam generator 8, the steam (vapor) outlet 20 on steam generator 8 tops links to each other with steam-flow meter 9, and steam-flow meter 9 is communicated with cooling water tank 10 by the 3rd variable valve 23.
The both sides, glass shell 18 middle part of described steam generator 8 water-level gauge 12 is housed, bottom with water-level gauge 12 on glass shell 18 left side outer walls is provided with steam generator water inlet 13, bottom with water-level gauge 12 on glass shell 18 outer right wall is provided with freeing port 16, space between glass shell 18 and the inverted Y-shaped electrically heated rod tube bank sleeve 17 consists of passage 14, glass shell 18 top right side are equipped with tensimeter 19, imbed in the passage 14 through glass shell 18 lower end of tensimeter 19, glass shell 18 top left side are equipped with pressure-release valve 11, pressure-release valve 11 1 ends imbed in the passage 14 through glass shell 18, the other end communicates with atmosphere, the pressure compensation opening 21 that inclines and open on the wall in left side, inverted Y-shaped electrically heated rod tube bank sleeve 17 tops, U-shaped electrically heated rod 15 is inverted and is fixed in glass shell 18 bottoms, and inverted Y type electrically heated rod tube bank sleeve 17 tops are connected to steam (vapor) outlet 20.
The transparent organic glass of the glass shell 18 material selections energy bearing certain pressure of described steam generator 8.
The beneficial effects of the utility model: this device is with reference to structure and the principle of work of existing nuclear power station steam generator and passed through simplification, can be used as a kind of aided education means, being used for visual pattern demonstrates generation and the water level dynamic characteristics of steam in the nuclear power station steam generator dynamically, thus the structure of easy to understand nuclear power station steam generator and principle of work.Simultaneously little, with low cost, the easy operation in this plant area space.By increasing the equipment such as sensor, data acquisition system (DAS) and valve actuator such as temperature, liquid level, flow, pressure, this device also can be used for the research of the aspects such as water level control, fault diagnosis.
Description of drawings
Fig. 1 is principle type steam raising plant overall schematic;
Fig. 2 is the schematic diagram of principle type steam raising plant body;
Fig. 3 is principle type steam raising plant A-A cross section view;
Fig. 4 is principle type steam raising plant B-B cross section view
Among the figure: 1-running water inlet, 2-the first variable valve, 3-water filter, the 4-primary heater, 5-water pump, 6-reverse checkvalve, the 7-water ga(u)ge, 8-steam generator, 9-steam-flow meter, the 10-cooling water tank, the 11-pressure-release valve, 12-water-level gauge, 13-steam generator water inlet, the 14-passage, 15-U type electrically heated rod, 16-drainpipe, 17-Y type electrically heated rod tube bank sleeve, the 18-glass shell, the 19-tensimeter, 20-steam (vapor) outlet, 21-pressure compensation opening, 22-the second variable valve, 23-the 3rd variable valve
Embodiment
Shown in Fig. 1-4, this device is comprised of water filter 3, primary heater 4, water pump 5, the first variable valve 2, the second variable valve 22, reverse checkvalve 6, water ga(u)ge 7, steam generator 8, cooling water tank 10 and pipeline.Water level under the original state in the steam generator 8 is in the predetermined water level place, tap water enters into water filter 3 by running water inlet 1 through the first variable valve 2, tap water is removed impurity and chlorion, oxonium ion etc. in water filter 3, anti-sealing causes corrosion to inner structure steam generator 8 is interior.Water in the water filter 3 is in pipeline is sent into primary heater 4; there is certain difference in height in water filter 3 with primary heater 4; guarantee that water can flow in the primary heater 4 by difference in height; water is in the situation that be heated to the 80-90 degree (if produce steam in steam generator 8 interior boilings by electric heater in the primary heater; the normal-temperature water that directly adds the 20-30 degree; boiling in the steam generator 8 will stop so; heat water to the 80-90 degree so increased primary heater 4); there is certain surplus in primary heater 4 inside; a pressure-release valve 11 is equipped with on top; in order to avoid a small amount of steam that produces in the water preheat process increases the pressure of primary heater 4 inside; water in the primary heater 4 is by water pump 5 reverse checkvalve 6 of flowing through; the second variable valve 22 and water ga(u)ge 7 enter into the passage 14 of steam generator 8; the effect of reverse checkvalve 6 mainly is protection water pump 5; when water pump 5 cuts are worked, prevent that the aqueous reflux in the steam generator 8 from impacting water pump 5 blades.Feedwater enters in the steam generator 8 by water inlet 13, upwards mobile through turning back in steam generator 8 bottoms behind the passage 14, the bringing-up section of flowing through afterwards, water in this section is produced steam by 15 heating of the many inverted U electrically heated rods that are arranged in juxtaposition, steam continues upwards to flow, by steam (vapor) outlet 20 exhaust steam generators, the steam of fraction can be by the pressure of pressure compensation opening 21 balance channels 14 and electrically heated rod tube bank sleeve 17 inside.After experiment finishes; water in the steam generator 8 is by freeing port 16 exhaust steam generators 8; steam generator 8 tops are equipped with tensimeter 19 and pressure-release valve 11; protection steam generator 8 is in the operating safety of experiment; when the pressure in the steam generator 8 surpasses limit value; steam is guaranteed safety by pressure-release valve 11 exhaust steam generators 8, and tensimeter 19 is used for reading the force value in the steam generator 8, and the water level in the steam generator is observed by water-level gauge 12.The shell 18 of steam generator 8 is the clear glass of high temperature high voltage resistant, and Y type electrically heated rod tube bank sleeve 17 is used for isolation feedwater and boiling water.Steam enters into water tank 10 by flow through steam-flow meter 9 and variable valve of steam (vapor) outlet 20, and steam will be cooled into water water tank 10 is interior.
Many electrically heated rods that are arranged in juxtaposition of the utility model employing replace the inverted U heating surface bank in the nuclear boiler, and have omitted the two-stage steam-water separator; Water inlet is to be directly injected in its passage by water pump, but not introduces by the feedwater endless tube.In addition, sheathing material selects the transparent organic glass of energy bearing certain pressure so that teaching demonstration.
Claims (3)
1. steam raising plant, it is characterized in that, this device is comprised of water filter (3), primary heater (4), water pump (5), the first variable valve (2), the second variable valve (22), reverse checkvalve (6), water ga(u)ge (7), steam generator (8), water tank (10) and pipeline; Wherein,
Running water inlet (1) links to each other with first variable valve (2) of described a kind of steam raising plant, the first variable valve (2), water filter (3), primary heater (4), water pump (5), reverse checkvalve (6) and the second variable valve (22) link to each other successively through pipeline, the water inlet of water ga(u)ge (7) links to each other with the second variable valve (22), the water delivering orifice of water ga(u)ge (7) is connected on the steam generator water inlet (13) of lower-left side of steam generator (8), the steam (vapor) outlet (20) on steam generator (8) top links to each other with steam-flow meter (9), and steam-flow meter (9) is communicated with water tank (10) by the 3rd variable valve (23).
2. described a kind of steam raising plant according to claim 1, it is characterized in that, water-level gauge (12) is equipped with in the both sides, glass shell (18) middle part of described steam generator (8), on the outer wall and the bottom of water-level gauge (12) is provided with steam generator water inlet (13) on the left of glass shell (18), on glass shell (18) outer right wall and the bottom of water-level gauge (12) be provided with freeing port (16), space between glass shell (18) and the inverted Y-shaped electrically heated rod tube bank sleeve (17) consists of passage (14), glass shell (18) top right side is equipped with tensimeter (19), imbed in the passage (14) through glass shell (18) lower end of tensimeter (19), glass shell (18) top left side is equipped with pressure-release valve (11), pressure-release valve (11) one ends imbed in the passage (14) through glass shell (18), the other end communicates with atmosphere, the pressure compensation opening (21) that inclines and open on the wall in left side, inverted Y-shaped electrically heated rod tube bank sleeve (17) top, U-shaped electrically heated rod (15) is inverted and is fixed in glass shell (18) bottom, and inverted Y type electrically heated rod tube bank sleeve (17) top is connected to steam (vapor) outlet (20).
3. described a kind of steam raising plant according to claim 1 and 2 is characterized in that, the transparent organic glass that glass shell (18) material selection of described steam generator (8) can bearing certain pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220637145 CN202887590U (en) | 2012-11-27 | 2012-11-27 | Steam generation unit |
Applications Claiming Priority (1)
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CN 201220637145 CN202887590U (en) | 2012-11-27 | 2012-11-27 | Steam generation unit |
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CN202887590U true CN202887590U (en) | 2013-04-17 |
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CN 201220637145 Expired - Fee Related CN202887590U (en) | 2012-11-27 | 2012-11-27 | Steam generation unit |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103810930A (en) * | 2014-02-18 | 2014-05-21 | 中国核动力研究设计院 | Thermal hydraulic feature experimental simulation device for secondary side passive residual heat removal system |
CN103822792A (en) * | 2013-12-18 | 2014-05-28 | 中国原子能科学研究院 | Simulation test apparatus for impurity concentration and return of nuclear power station steam generator |
CN104595878A (en) * | 2015-01-19 | 2015-05-06 | 浙江徐氏厨房设备有限公司 | Gas steam generator |
CN105090921A (en) * | 2015-09-17 | 2015-11-25 | 哈尔滨市金京锅炉有限公司 | Energy-saving environmentally-friendly steam boiler |
CN108195208A (en) * | 2018-02-26 | 2018-06-22 | 台山市新英汉装饰材料有限公司 | A kind of steam water recycling system |
CN112503502A (en) * | 2020-12-09 | 2021-03-16 | 江苏美的清洁电器股份有限公司 | Steam generator and electrical equipment |
-
2012
- 2012-11-27 CN CN 201220637145 patent/CN202887590U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103822792A (en) * | 2013-12-18 | 2014-05-28 | 中国原子能科学研究院 | Simulation test apparatus for impurity concentration and return of nuclear power station steam generator |
CN103822792B (en) * | 2013-12-18 | 2017-05-03 | 中国原子能科学研究院 | Simulation test apparatus for impurity concentration and return of nuclear power station steam generator |
CN103810930A (en) * | 2014-02-18 | 2014-05-21 | 中国核动力研究设计院 | Thermal hydraulic feature experimental simulation device for secondary side passive residual heat removal system |
CN104595878A (en) * | 2015-01-19 | 2015-05-06 | 浙江徐氏厨房设备有限公司 | Gas steam generator |
CN105090921A (en) * | 2015-09-17 | 2015-11-25 | 哈尔滨市金京锅炉有限公司 | Energy-saving environmentally-friendly steam boiler |
CN105090921B (en) * | 2015-09-17 | 2017-03-22 | 哈尔滨市金京锅炉有限公司 | Energy-saving environmentally-friendly steam boiler |
CN108195208A (en) * | 2018-02-26 | 2018-06-22 | 台山市新英汉装饰材料有限公司 | A kind of steam water recycling system |
CN112503502A (en) * | 2020-12-09 | 2021-03-16 | 江苏美的清洁电器股份有限公司 | Steam generator and electrical equipment |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131127 |