CN204314199U - The metal material high temperature water vapor oxidation experiment device that a kind of laboratory uses - Google Patents
The metal material high temperature water vapor oxidation experiment device that a kind of laboratory uses Download PDFInfo
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- CN204314199U CN204314199U CN201420768457.2U CN201420768457U CN204314199U CN 204314199 U CN204314199 U CN 204314199U CN 201420768457 U CN201420768457 U CN 201420768457U CN 204314199 U CN204314199 U CN 204314199U
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Abstract
The utility model relates to the metal material high temperature water vapor oxidation experiment device that a kind of laboratory uses.Such experimental provision that structure is simple, precision is high, cost is low also not having a kind of laboratory to use at present.Feature of the present utility model is: comprise nitrogen gas supply device, upper and lower mouth filtering flask, steam generator, reactor, tubular heater, gas concentration unit, vacuum pump, oxygen analyser and thermopair, nitrogen gas supply device is connected with upper and lower mouth filtering flask, escape pipe in upper and lower mouth filtering flask, steam entry pipe in reactor, steam outlet pipe in steam generator is connected by four-way with the extraction steam pipe in vacuum pump, upper and lower mouth filtering flask is connected with steam generator by feed pipe, reactor is arranged in tubular heater, economizer bank is provided with in reactor, steam entry pipe is connected with economizer bank, oxygen analyser is connected with upper and lower mouth filtering flask.Structure of the present utility model is simple, and reasonable in design, precision is high, and automaticity is high, and cost is low.
Description
Technical field
The utility model relates to a kind of metal material high temperature water vapor oxidation experiment device, especially relates to the metal material high temperature water vapor oxidation experiment device that a kind of laboratory uses, is exclusively used in laboratory.
Background technology
Power Station Boiler Heating Surface pipe is long-play under high-temperature and high-pressure conditions, and metal material can be subject to high temperature water vapor oxidation corrosion, often occurs the quick-fried leakage accident of heating surface tube, threatens greatly safe, reliable, the economical operation of power plant.In order to better understand steam oxidation corrosion mechanism, better simulative power plant actual operating mode, the best way is exactly that the high-temperature oxidation device of design specialized carries out laboratory simulation test.But the oxidation test device of current domestic announcement is little, and mostly complex structure, precision is low, cost is high, automaticity is low, and the precision of such as application number metal material high temperature water vapor oxidation experiment device disclosed in the Chinese invention patent application of 201110421972.4 is low, cost is high and security is low; The and for example complex structure of application number metal material high temperature water vapor oxidation experiment device disclosed in the Chinese utility model patent of 200920030886.9, structural design is unreasonable, and precision is lower.The metal material high temperature water vapor oxidation experiment device that structure is simple, precision is high, automaticity is high, cost is low also not having a kind of laboratory to use at present.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of structure simple, and reasonable in design, precision is high, and automaticity is high, the metal material high temperature water vapor oxidation experiment device that the laboratory that cost is low uses.
The technical scheme in the invention for solving the above technical problem is: the design feature of the metal material high temperature water vapor oxidation experiment device that this laboratory uses is: comprise nitrogen gas supply device, upper and lower mouth filtering flask, steam generator, reactor, tubular heater, gas concentration unit, vacuum pump, oxygen analyser and thermopair, described nitrogen gas supply device is connected with upper and lower mouth filtering flask, escape pipe in described upper and lower mouth filtering flask, steam entry pipe in reactor, steam outlet pipe in steam generator is connected by four-way with the extraction steam pipe in vacuum pump, described upper and lower mouth filtering flask is connected with steam generator by feed pipe, described reactor is arranged in tubular heater, economizer bank is provided with in this reactor, described economizer bank leads to the conversion zone of reactor, steam entry pipe in described reactor is connected with economizer bank, described gas concentration unit is connected with reactor, described oxygen analyser is connected with upper and lower mouth filtering flask, described the installation of TC is in the conversion zone of reactor.
As preferably, nitrogen gas supply device described in the utility model comprises nitrogen cylinder and glass rotameter, and described nitrogen cylinder is by being connected with upper and lower mouth filtering flask for nitrogen pipe, and described glass rotameter is arranged on confession nitrogen pipe.
As preferably, steam generator described in the utility model comprises solenoid valve, floating ball type water level controller, there-necked flask and heating jacket, described there-necked flask is positioned on heating jacket, described upper and lower mouth filtering flask is connected with there-necked flask by feed pipe, described solenoid valve is arranged on feed pipe, described floating ball type water level controller is connected in there-necked flask, and this floating ball type water level controller is connected with solenoid valve.
As preferably, reactor described in the utility model comprises reaction quartz ampoule and silica ware, and described economizer bank is arranged in reaction quartz ampoule, and described silica ware is arranged in the conversion zone of reaction quartz ampoule.
As preferably, the extraction steam pipe in the escape pipe in upper and lower mouth filtering flask described in the utility model, the steam entry pipe in reactor, the steam outlet pipe in steam generator and vacuum pump is provided with solenoid valve.
As preferably, economizer bank described in the utility model is snakelike preheating structure.
As preferably, thermopair described in the utility model is armouring digital display thermopair.
As preferably, heating jacket described in the utility model is the heating jacket that adjusts the temperature electronically.
As preferably, gas concentration unit described in the utility model is upper mouth filtering flask.
As preferably, upper and lower mouth filtering flask described in the utility model and there-necked flask all adopt silica gel plug to seal.
The utility model compared with prior art, has the following advantages and effect: structure is simple, and reasonable in design, precision is high, and automaticity is high, and cost is low.Upper and lower mouth filtering flask and reaction bulb connecting line are provided with solenoid valve, two ball floats controlling upper and lower water level are provided with in reaction bulb, water-level fluctuation can cause upper and lower ball float to get an electric shock, the opening and closing of relay meeting Controlling solenoid valve after getting an electric shock, thus realize automatic supply response water, namely automatically provide reaction water by floating ball type water level controller.Oxygen analyser can carry out Real-Time Monitoring to the oxygen in upper and lower mouth filtering flask water, and thermopair also can carry out Real-Time Monitoring to the temperature of conversion zone, thus can record experimental temperature more accurately.The operating temperature range of tubular heater is 600-900 DEG C, and employing day island proper electric temp. comtrol arrangement and single-phase SCR power controller control, and Control for Kiln Temperature precision is ± 1 DEG C, and temperature controls the stability that can ensure conversion zone temperature accurately.
The operating temperature range of the heating jacket of there-necked flask heating is 150-200 DEG C, and upper mouth filtering flask is used to the gas collecting reaction generation, has reacted rear and has analyzed the water quality in upper mouth filtering flask.Silica ware in reactor is used for splendid attire experimental sample, in case sample is chaotic.With nitrogen, the oxygen in upper and lower mouth filtering flask water is discharged, and extract out with vacuum pump, the oxygen content in oxygen analyser meeting real time record water; Heating jacket continues reactor heating, and there-necked flask provides required water vapour to reactor; Be provided with snakelike economizer bank in reaction quartz ampoule, can ensure that the temperature of reaction place reaches the temperature needed for test by the preheating of economizer bank; Reacted steam is reclaimed by upper mouth filtering flask, can carry out water analysis after having reacted to the water collected.
Accompanying drawing explanation
Fig. 1 is the structural representation of the metal material high temperature water vapor oxidation experiment device that in the utility model embodiment, laboratory uses.
In figure: adjust the temperature electronically heating jacket, 10-economizer bank, 11-of 1-nitrogen cylinder, 2-glass rotameter, 3-upper and lower mouth filtering flask, 4-oxygen analyser, 5-solenoid valve, 6-floating ball type water level controller, 7-there-necked flask, 8-tubular heater, 9-reacts quartz ampoule, 12-vacuum pump, 13-silica ware, 14-thermopair, the upper mouth filtering flask of 15-.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1, the metal material high temperature water vapor oxidation experiment device that the laboratory in the present embodiment uses comprises nitrogen gas supply device, up and down mouth filtering flask 3, steam generator, reactor, tubular heater 8, gas concentration unit, vacuum pump 12, oxygen analyser 4 and thermopair 14.
Nitrogen gas supply device in the present embodiment is connected with upper and lower mouth filtering flask 3, escape pipe in upper and lower mouth filtering flask 3, steam entry pipe in reactor, steam outlet pipe in steam generator is connected by four-way with the extraction steam pipe in vacuum pump 12, upper and lower mouth filtering flask 3 is connected with steam generator by feed pipe, reactor is arranged in tubular heater 8, economizer bank 10 is provided with in this reactor, economizer bank 10 leads to the conversion zone of reactor, steam entry pipe in reactor is connected with economizer bank 10, gas concentration unit is connected with reactor, oxygen analyser 4 is connected with upper and lower mouth filtering flask 3, thermopair 14 is arranged in the conversion zone of reactor.
Nitrogen gas supply device in the present embodiment comprises nitrogen cylinder 1 and glass rotameter 2, and nitrogen cylinder 1 is by being connected with upper and lower mouth filtering flask 3 for nitrogen pipe, and glass rotameter 2 is arranged on on nitrogen pipe.Steam generator in the present embodiment comprises solenoid valve 5, floating ball type water level controller 6, there-necked flask 7 and heating jacket 9, there-necked flask 7 is positioned on heating jacket 9, upper and lower mouth filtering flask 3 is connected with there-necked flask 7 by feed pipe, solenoid valve 5 is arranged on feed pipe, floating ball type water level controller 6 is connected in there-necked flask 7, and this floating ball type water level controller 6 is connected with solenoid valve 5.Under normal circumstances, upper and lower mouth filtering flask 3 all adopts silica gel plug to seal with there-necked flask 7.
Reactor in the present embodiment comprises reaction quartz ampoule 11 and silica ware 13, and economizer bank 10 is arranged in reaction quartz ampoule 11, and silica ware 13 is arranged in the conversion zone of reaction quartz ampoule 11.Steam outlet pipe in escape pipe in upper and lower mouth filtering flask 3, the steam entry pipe in reactor, steam generator and the extraction steam pipe in vacuum pump 12 are provided with solenoid valve.Economizer bank 10 is snakelike preheating structure, and thermopair 14 is armouring digital display thermopair, and heating jacket 9 is the heating jacket that adjusts the temperature electronically, and gas concentration unit is upper mouth filtering flask 15.
In the metal material high temperature water vapor oxidation experiment device that the laboratory of the present embodiment uses, nitrogen cylinder 1 be containing nitrogen gas purity be the argon bottle of 99.999%; The measurement range of glass rotameter 2 is 16-160ml/min; The volume of upper and lower mouth filtering flask 3 is 15000ml; The measurement range of oxygen analyser 4 is 0.00-19.99ppm; Solenoid valve 5 is the full copper solenoid valve of high-quality; The volume of there-necked flask 7 is 2000ml; The model of tubular heater 8 is SK2-4-13, rated power 4KW, amount temperature 1300 DEG C, and employing day island proper electric temp. comtrol arrangement and single-phase SCR power controller control, and Control for Kiln Temperature precision is ± 1 DEG C, and furnace diameter is 62mm, burner hearth length 1100mm; The temperature range of heating jacket 9 is 0-380 DEG C; Economizer bank 10 is made up of quartz ampoule, long 2600mm, and diameter is 8mm; Reaction quartz ampoule 11 is made up of quartz material, diameter 60mm, length 1200mm; Vacuum pump 12 is testing laboratory's rotary-vane vaccum pump; The measurement range of thermopair 14 is 0-1100 DEG C; The volume of upper mouth filtering flask 15 is 1000ml.
Before test, need letting nitrogen in and deoxidizing, being connected with upper and lower mouth filtering flask 3 through glass rotameter 2 for nitrogen pipe of nitrogen cylinder 1, opening vacuum pump 12 while letting nitrogen in and deoxidizing and draw gas, the oxygen content in the upper and lower mouth filtering flask 3 of oxygen analyser 4 Real-Time Monitoring.Upper and lower mouth filtering flask 3 is connected with there-necked flask 7, and two ball floats up and down in there-necked flask 7 can get an electric shock along with the change of water level, the opening and closing of floating ball type water level controller 6 meeting Controlling solenoid valve 5 after getting an electric shock, thus realizes self water feeding.Heating jacket 9 continues to heat there-necked flask 7, add thermogenetic water vapour to be connected with economizer bank 10 through steam outlet pipe, steam arrives the conversion zone place of reacting quartz ampoule 11 through the preheating of economizer bank 10, test sample in silica ware 13 is oxidized, the temperature at thermopair 14 meeting Real-Time Monitoring conversion zone place, reacted steam is reclaimed by upper mouth filtering flask 15, can carry out water analysis after having reacted to the water collected.
In addition, it should be noted that, the specific embodiment described in this instructions, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this instructions is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (10)
1. the metal material high temperature water vapor oxidation experiment device of a laboratory use, it is characterized in that: comprise nitrogen gas supply device, upper and lower mouth filtering flask, steam generator, reactor, tubular heater, gas concentration unit, vacuum pump, oxygen analyser and thermopair, described nitrogen gas supply device is connected with upper and lower mouth filtering flask, escape pipe in described upper and lower mouth filtering flask, steam entry pipe in reactor, steam outlet pipe in steam generator is connected by four-way with the extraction steam pipe in vacuum pump, described upper and lower mouth filtering flask is connected with steam generator by feed pipe, described reactor is arranged in tubular heater, economizer bank is provided with in this reactor, described economizer bank leads to the conversion zone of reactor, steam entry pipe in described reactor is connected with economizer bank, described gas concentration unit is connected with reactor, described oxygen analyser is connected with upper and lower mouth filtering flask, described the installation of TC is in the conversion zone of reactor.
2. the metal material high temperature water vapor oxidation experiment device of laboratory according to claim 1 use, it is characterized in that: described nitrogen gas supply device comprises nitrogen cylinder and glass rotameter, described nitrogen cylinder is by being connected with upper and lower mouth filtering flask for nitrogen pipe, and described glass rotameter is arranged on on nitrogen pipe.
3. the metal material high temperature water vapor oxidation experiment device of laboratory according to claim 1 use, it is characterized in that: described steam generator comprises solenoid valve, floating ball type water level controller, there-necked flask and heating jacket, described there-necked flask is positioned on heating jacket, described upper and lower mouth filtering flask is connected with there-necked flask by feed pipe, described solenoid valve is arranged on feed pipe, described floating ball type water level controller is connected in there-necked flask, and this floating ball type water level controller is connected with solenoid valve.
4. the metal material high temperature water vapor oxidation experiment device of laboratory according to claim 1 use, it is characterized in that: described reactor comprises reaction quartz ampoule and silica ware, described economizer bank is arranged in reaction quartz ampoule, and described silica ware is arranged in the conversion zone of reaction quartz ampoule.
5. the metal material high temperature water vapor oxidation experiment device that the laboratory according to claim 1 or 2 or 3 or 4 uses, is characterized in that: the extraction steam pipe in the escape pipe in described upper and lower mouth filtering flask, the steam entry pipe in reactor, the steam outlet pipe in steam generator and vacuum pump is provided with solenoid valve.
6. the metal material high temperature water vapor oxidation experiment device that the laboratory according to claim 1 or 2 or 3 or 4 uses, is characterized in that: described economizer bank is snakelike preheating structure.
7. the metal material high temperature water vapor oxidation experiment device that the laboratory according to claim 1 or 2 or 3 or 4 uses, is characterized in that: described thermopair is armouring digital display thermopair.
8. the metal material high temperature water vapor oxidation experiment device that the laboratory according to claim 1 or 2 or 3 or 4 uses, is characterized in that: described heating jacket is the heating jacket that adjusts the temperature electronically.
9. the metal material high temperature water vapor oxidation experiment device that the laboratory according to claim 1 or 2 or 3 or 4 uses, is characterized in that: described gas concentration unit is upper mouth filtering flask.
10. the metal material high temperature water vapor oxidation experiment device of laboratory according to claim 3 use, is characterized in that: described upper and lower mouth filtering flask and there-necked flask all adopt silica gel plug to seal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138137A (en) * | 2020-01-17 | 2021-07-20 | 中核北方核燃料元件有限公司 | Silicon carbide substrate ceramic pellet high-temperature steam corrosion detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138137A (en) * | 2020-01-17 | 2021-07-20 | 中核北方核燃料元件有限公司 | Silicon carbide substrate ceramic pellet high-temperature steam corrosion detection device and method |
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Address after: Hangzhou City, Zhejiang Province, 310030 Xihu District science and Technology Park of West Lake Park Road, No. 10 Patentee after: Huadian Power Science Research Institute Co., Ltd. Address before: Hangzhou City, Zhejiang Province, 310030 Xihu District science and Technology Park of West Lake Park Road, No. 10 Patentee before: China Huadian Electric Research Institute |