CN200996928Y - High-temperature dynamic corrosion inspecter - Google Patents
High-temperature dynamic corrosion inspecter Download PDFInfo
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- CN200996928Y CN200996928Y CN 200720031083 CN200720031083U CN200996928Y CN 200996928 Y CN200996928 Y CN 200996928Y CN 200720031083 CN200720031083 CN 200720031083 CN 200720031083 U CN200720031083 U CN 200720031083U CN 200996928 Y CN200996928 Y CN 200996928Y
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Abstract
A high temperature dynamic corrosion detector is provided, which is characterized in: a reaction tube (1), a controller (6), a cooling tank (7), a liquid storage tank (9), and a pump (12) are arranged on a base (18), a pressure meter (2) and a solenoid valve (3) are arranged on the top of the reaction tube (1), the pump (12) and the solenoid valve (3) are connected to the controller (6) through conductors: an insulating layer (20) and a glass tube (19) that communicates to the reaction tube (1) are provided on the reaction tube (1); a heater (11) is arranged on the bottom in the liquid storage tank (9), and a temperature sensor (10) is arranged on the top of the liquid storage tank (9); the temperature sensor (10) and the heater (11) are connected to the controller (6) through conductors; the liquid storage tank (9) is connected to the inlet of the pump (12) through a tube; the outlet of the pump (12) is connected to the inlet of the liquid storage tank (9) via a valve (8) on the pump loop mounted on the tube and is connected to the lower part in the reaction tube (1) via an inlet valve (14) on the tube; the inlet of the liquid storage tank (9) is connected to the outlet of the cooling tank (7) through a tube; the upper part of the reaction tube (1) is connected to an upper electromagnetic flow meter (5) and the inlet of the cooling tank (7) via an upper loop valve (4) on the tube; the middle part of the reaction tube (1) is connected to a lower electromagnetic flow meter (13) and the inlet of the cooling tank (7) via a lower loop value on the tube, wherein, at least a hanging piece penetrating into the reaction tube (1) is arranged on one side of the reaction tube (1), and at least a metal hook plate (23) is arranged on the hanging piece.
Description
Technical field
The utility model belongs to the instrument and equipment technical field of testing metal erosion, is specifically related to adopt the temperature flowing mode to test corrosive liquid and etchant gas testing tool and the equipment to metal erosion.
Technical background
In acid, alkali, salt manufacturing enterprise and oil, petroleum chemical enterprise, used equipment, circulation duct as reaction tower, corrosive liquid and etchant gas, reaction tower is a metal tower, the circulation duct majority of corrosive liquid and etchant gas is a metallic conduit, and corrosive liquid and etchant gas are very serious to the corrosion of reaction tower and metallic conduit.In order to prevent corrosive liquid and etchant gas to the caused leakage accident of the corrosion of hardware, many enterprises take periodic replacement equipment; Many units have carried out the corrosion research test of hardware, and have designed the metal erosion experimental provision.
That existing metal erosion experimental provision has is rotary, two kinds of fluid-guiding types.It is relative mobile that rotary metal erosion experimental provision is that the mode that adopt to stir realizes between corrosive liquid and the metal testing plate, and the flowed corrosion condition of corrosive liquid of metal testing plate is simulated in the metal testing plate liquid corrosion that is corroded; This experimental provision can not simulate corrosive liquid in pipeline under the actual flow state to the corrosion situation of metal testing plate.Fluid-guiding type metal erosion experimental provision is the corrosion regularity of research metal material under certain flow rate, with metal tube as research object, adopt the corrosion situation of electrochemical method test corrosive liquid to metal tube, its major defect is that influence factor is many, can't measure the corrosion of metal situation intuitively, and fluid-guiding type metal erosion experimental provision can not the probe temperature rising cause etchant solution to evaporate formed etchant gas to the corrosion of metal situation.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned corrosion experimental device, provide a kind of reasonable in design, simple in structure, result of use is good, the simple high temperature of method of testing dynamically corrodes detector.
Solving the problems of the technologies described above the technical scheme that is adopted is: base is provided with reaction tube, controller, the cooling jar, fluid reservoir, pump, be provided with tensimeter and solenoid valve in the upper end of reaction tube, pump is connected with controller by lead with solenoid valve, the outer setting of reaction tube have heat-insulation layer and with reaction tube in the glass tube that links, bottom in fluid reservoir is provided with well heater, top is provided with temperature sensor, temperature sensor is connected with controller by lead with well heater, fluid reservoir links by the inlet of conduit and pump, delivery side of pump links and links by the bottom that is installed in supravasal imported valve and the reaction tube by the inlet that is installed in supravasal blowback road valve and fluid reservoir, the inlet of fluid reservoir links by the outlet of pipeline with the cooling jar, the top of reaction tube links by being installed in the supravasal inlet of going up loop valve and last electromagnetic flowmeter and cooling jar, the middle part of reaction tube links by the inlet that is installed in supravasal loop valve down and following electromagnetic flowmeter and cooling jar, at least be provided with 1 suspender that penetrates in the reaction tube in the side of reaction tube, 1 metal lacing film is set on suspender at least.
The utility model preferably is provided with 5 suspenders that penetrate in the reaction tube in the side of retort, preferably is provided with 2 metal lacing films on suspender.
Suspender of the present utility model is a bolt.Metal lacing film of the present utility model is a rectangular sheet.
Bolt shaft of the present utility model is to being arranged on the reaction tube in uniform way.
The utility model adopts the metal lacing film is installed in reaction tube, pressurization makes corrosive liquid flow at high speed in reaction tube to corrosive liquid with pump, corrosive liquid corrodes the metal lacing film in the reaction tube, simulates the corrosion to metallic conduit and canister under different temperatures, pressure and flow state of corrosive liquid and etchant gas.The results showed, the utlity model has reasonable in design, simple in structure, result of use is good, method of testing is simple, stable, advantage such as experimental data is accurate, can be used for detecting working fluid and the flowing gas corrosion condition to metallic conduit and canister under different temperatures, pressure.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is a bolt 16 and the synoptic diagram that connects of reaction tube 1.
Fig. 3 is a metal lacing film 23 and the synoptic diagram that connects of bolt 16.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1,2, the temperature flowing of present embodiment corrosion detector by reaction tube 1, tensimeter 2, solenoid valve 3, go up loop valve 4, go up electromagnetic flowmeter 5, controller 6, cooling jars 7, blowback road valve 8, fluid reservoir 9, temperature sensor 10, well heater 11, pump 12, down electromagnetic flowmeter 13, imported valve 14, loop valve 15, bolt 16, ring flange 17, base 18, glass tube 19, heat-insulation layer 20, lacing film set bolt 21, pad 22, metal lacing film 23, lining 24 connect and constitute down.
On base 18, be connected with reaction tube 1, controller 6, cooling jar 7, fluid reservoir 9, pump 12 with the screw threads for fastening web member, reaction tube 1, cooling jar 7, fluid reservoir 9 are resistant material and make, pump 12 is a noncorrosive pump, fluid reservoir 9 is used to store corrosive liquid, the controller 6 of present embodiment adopts PC-104 type computing machine plate, is the market sale product.Tensimeter 2 and solenoid valve 3 are installed in the upper end of reaction tube 1, pump 12 is connected with controller 6 by lead with solenoid valve 3, by the running of the switching on and off of controller 6 control pumps 12 and solenoid valve 3, control pump 12 or shut down, solenoid valve 3 is used to adjust the pressure of reaction tube 1 internal corrosion gas, the outside of reaction tube 1 is wound with heat-insulation layer 20, be connected with glass tube 19 with ring flange 17 on the reaction tube 1, glass tube 19 is used for the height of observing response pipe 1 internal corrosion liquid.Be connected with 5 bolts 16 that penetrate in the reaction tube 1 in that the side axial of reaction tube 1 is uniform by screw thread, bolt 16 is an embodiment of suspender, on each bolt 16 with lacing film set bolt 21 1 the metal lacing film 23 that has been fixedly connected, a pad 22 respectively is installed up and down between metal lacing film 23 and the bolt 16, pad 22 is a teflon gasket, the outer cover of lacing film set bolt 21 is equipped with lining 24, and lining 24 is a polytetrafluoroethylene bushing.Metal lacing film 23 is immersed in the corrosive liquid in the reaction tube 1, and the corrosive liquid corrosion that metal lacing film 23 is flowed is used to simulate the corrosion condition of corrosive liquid to metallic conduit and canister that flow.Bottom in fluid reservoir 9 is equipped with well heater 11, top is equipped with temperature sensor 10, corrosive liquid in 11 pairs of fluid reservoirs of well heater 9 heats, temperature sensor 10 is connected with controller 6 by lead with well heater 11, the temperature signal that temperature sensor 10 receives fluid reservoir 9 internal corrosion liquid converts electric signal to and amplifies and convert digital signal to and output to controller 6, controller 6 calculates according to the program of prior setting, control heater 11 and power connection or disconnection.When the temperature of experiencing fluid reservoir 9 internal corrosion liquid when temperature sensor 10 is higher than design temperature, controller 6 control heaters 11 and power supply automatic cutouts.Fluid reservoir 9 links by the inlet of conduit and pump 12, the outlet of pump 12 link by the inlet that is installed in supravasal blowback road valve 8 and fluid reservoir 9 and the bottom by imported valve 14 and reaction tube 1 in link, the inlet of fluid reservoir 9 links by the outlet of conduit and cooling jars 7.The top of reaction tube 1 links by being installed in the supravasal inlet of going up loop valve 4 and last electromagnetic flowmeter 5 and cooling jar 7, and the middle part of reaction tube 1 links by the inlet that is installed in supravasal loop valve 15 down and following electromagnetic flowmeter 13 and cooling jar 7.All UNICOM's conduits of the present utility model are the anticorrosive conduit, last electromagnetic flowmeter 5 is used to indicate flow through goes up the flow of loop valve 4 corrosive liquids, following electromagnetic flowmeter 13 is used to indicate the flow of loop valve 15 corrosive liquids of flowing through down, cooling jars 7 is used for the corrosive liquid of heat that reaction tube 1 is flowed back to lowers the temperature, and flow back into fluid reservoir 9 through the corrosive liquid of cooling from the outlet of cooling jars 7.
In the present embodiment, be connected with 5 bolts 16 that penetrate in the reaction tube 1 in that the side axial of reaction tube 1 is uniform by screw thread, on each bolt 16 in reaction tube 12 metal lacing films 23 be installed.The connecting relation of other parts and parts is identical with embodiment 1.
In the present embodiment, 1 bolt 16 that penetrates in the reaction tube 1 is arranged by thread connection, on each bolt 16 in reaction tube 14 metal lacing films 23 are installed in the side axial of reaction tube 1.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 4
In the present embodiment, side axial at reaction tube 1 has 2 bolts 16 that penetrate in the reaction tube 1 by thread connection, a bolt 16 is connected in the top of reaction tube 1, the bottom that another bolt 16 is connected in reaction tube 1, on each bolt 16 in reaction tube 12 metal lacing films 23 is installed.The connecting relation of other parts and parts is identical with embodiment 1.
Principle of work of the present utility model is as follows:
During test metal lacing film 23 is hung over the axial location of differing heights in the reaction tube 1, with the corrosive liquid that the prepares fluid reservoir 9 of packing into, connect the power supply of well heater 11 and controller 6, the temperature of corrosive liquid is controlled under the design temperature, open pump 12, the aperture of adjusting imported valve 14 is set the flow velocity of corrosive liquid, and the temperature of corrosive liquid and flow velocity open or close different valves and carry out the corrosion test of metal in corrosive liquid or etchant gas under constant condition.Close down loop valve 15, open loop valve 4 and imported valve 14, the corrosive liquid flow state in centre position is a laminar flow in reaction tube 1, the flow state of two ends corrosive liquid is a turbulent flow up and down, the metal lacing film 23 that hangs over centre position in the reaction tube 1 is subjected to the corrosion of laminar flow corrosive liquid, the metal lacing film 23 of end positions is subjected to the corrosion of turbulent attack liquid about hanging in the reaction tube 1, corrosion test through setting-up time, cooling, termination of pumping 12, take out metal lacing film 23, remove the corrosion thing on metal lacing film 23 surfaces, dehydration, dry, weigh, calculate the corrosion speed of metal lacing film 23, test out metal lacing film 23 at the laminar flow corrosive liquid, corrosion situation under the flow-disturbing corrosive liquid flow state.
Close loop valve 4, open down loop valve 15 and imported valve 14, can carry out the corrosion test of metal in etchant gas and corrosive liquid simultaneously, test also calculates the corrosion rate of reaction tube 1 internal upper part metal lacing film 23 in etchant gas, test also calculates middle part and the corrosion rate of lower metal lacing film 23 in corrosive liquid in the reaction tube 1, controller 6, can carry out under different pressures corrosive liquid and etchant gas corrosion of metal is tested by the pressure in the aperture conditioned reaction pipe 1 of regulating solenoid valve 3 according to the program of prior setting.
Claims (4)
1, a kind of high temperature dynamically corrodes detector, base (18) is provided with reaction tube (1), controller (6), cooling jar (7), fluid reservoir (9), pump (12), be provided with tensimeter (2) and solenoid valve (3) in the upper end of reaction tube (1), pump (12) is connected with controller (6) by lead with solenoid valve (3), the outer setting of reaction tube (1) have heat-insulation layer (20) and with reaction tube (1) in the glass tube (19) that links, bottom in fluid reservoir (9) is provided with well heater (11), top is provided with temperature sensor (10), temperature sensor (10) is connected with controller (6) by lead with well heater (11), fluid reservoir (9) links by the inlet of conduit and pump (12), the outlet of pump (12) links by the inlet that is installed in supravasal blowback road valve (8) and fluid reservoir (9) and links by the bottom that is installed in supravasal imported valve (14) and the reaction tube (1), the inlet of fluid reservoir (9) links by the outlet of pipeline with cooling jar (7), the top of reaction tube (1) links by being installed in the supravasal inlet of going up loop valve (4) and last electromagnetic flowmeter (5) and cooling jar (7), the middle part of reaction tube (1) links by the inlet that is installed in supravasal loop valve (15) down and following electromagnetic flowmeter (13) and cooling jar (7), it is characterized in that: be provided with 1 suspender that penetrates in the reaction tube (1) in the side of reaction tube (1) at least, 1 metal lacing film (23) is set on suspender at least.
2, dynamically corrode detector according to the described high temperature of claim 1, it is characterized in that: wherein be provided with 5 suspenders that penetrate in the reaction tube (1) in the side of retort, on suspender, wherein be provided with 2 metal lacing films (23).
3, dynamically corrode detector according to claim 1 or 2 described high temperature, it is characterized in that: said suspender is bolt (16); Said metal lacing film (23) is a rectangular sheet.
4, dynamically corrode detector according to the described high temperature of claim 3, it is characterized in that: said bolt (16) axially is arranged on the reaction tube (1) in uniform way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720031083 CN200996928Y (en) | 2007-01-22 | 2007-01-22 | High-temperature dynamic corrosion inspecter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720031083 CN200996928Y (en) | 2007-01-22 | 2007-01-22 | High-temperature dynamic corrosion inspecter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200996928Y true CN200996928Y (en) | 2007-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720031083 Expired - Fee Related CN200996928Y (en) | 2007-01-22 | 2007-01-22 | High-temperature dynamic corrosion inspecter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200996928Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024849A1 (en) * | 2010-08-27 | 2012-03-01 | 华南理工大学 | Medical magnesium alloy biodegradability in vitro dynamic simulation test device |
| CN103743663A (en) * | 2014-01-17 | 2014-04-23 | 昆明理工大学 | Acid base solution-resistant test soaking sample device for geotechnical cloth and related products thereof |
| CN104359822A (en) * | 2014-10-23 | 2015-02-18 | 中国石油化工股份有限公司 | Corrosion simulation experiment device of coating below insulating layer |
-
2007
- 2007-01-22 CN CN 200720031083 patent/CN200996928Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024849A1 (en) * | 2010-08-27 | 2012-03-01 | 华南理工大学 | Medical magnesium alloy biodegradability in vitro dynamic simulation test device |
| CN103743663A (en) * | 2014-01-17 | 2014-04-23 | 昆明理工大学 | Acid base solution-resistant test soaking sample device for geotechnical cloth and related products thereof |
| CN103743663B (en) * | 2014-01-17 | 2015-12-23 | 昆明理工大学 | A kind of geotextile and related products is antiacid, Sample devices is soaked in alkali lye test |
| CN104359822A (en) * | 2014-10-23 | 2015-02-18 | 中国石油化工股份有限公司 | Corrosion simulation experiment device of coating below insulating layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20110122 |