CN202421032U - Building material liquid flushing simulation test device - Google Patents
Building material liquid flushing simulation test device Download PDFInfo
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- CN202421032U CN202421032U CN2011205575632U CN201120557563U CN202421032U CN 202421032 U CN202421032 U CN 202421032U CN 2011205575632 U CN2011205575632 U CN 2011205575632U CN 201120557563 U CN201120557563 U CN 201120557563U CN 202421032 U CN202421032 U CN 202421032U
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- 238000012360 testing method Methods 0.000 title claims abstract description 125
- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 239000004566 building material Substances 0.000 title claims abstract description 57
- 238000004088 simulation Methods 0.000 title claims abstract description 24
- 238000011010 flushing procedure Methods 0.000 title abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000009991 scouring Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 62
- 239000004567 concrete Substances 0.000 description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 20
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000004448 titration Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- PASCVNXEVINGGG-UHFFFAOYSA-N Mollic acid Natural products CC(CCC=C(C)C)C1CCC2(C)C3CCC4C(C)(C(O)CC(O)C45CC35CCC12C)C(=O)O PASCVNXEVINGGG-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920006387 Vinylite Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- -1 and panel 6 is plank Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a building material liquid flushing simulation test device which belongs to the technical field of durability tests of building materials. The device comprises a liquid container, a support, a panel, a movable transparent plate, a test piece chuck, a motor and a speed regulating controller; the panel is arranged on the top of the support; a motor shaft hole is arranged at the middle part of the panel; an observation window which contains the transparent plate is arranged at a position which corresponds to the liquid container; the test piece chuck is arranged on the end of a motor shaft; the liquid container is arranged below the support panel and the test piece chuck; and the speed regulating controller is arranged on the side surface of the support. When a test is taken, a building material to be tested is manufactured into a cylindrical test piece and inserted into erosive solution; and relative motion of the solution and the test piece is formed by rotating the cylindrical test piece to simulate the flushing process of the solution to the building material and replace the flushing of flowing solution to the static building material test piece, so that the flushing parameters of the erosive solution to the building material are worked out. The building material liquid flushing simulation test device has the advantages of simple structure, recyclable liquid, controllable flushing speed, small total used amount of the liquid, low cost, convenience in operation and the like.
Description
Technical field
The utility model relates to a kind of building materials liquid scouring simulation test device, belongs to building materials endurancing technical field.
Background technology
In recent years, a large amount of xoncrete structures suffers the corrosion of aggressive liquids to cause structure aging in advance, for this reason, has carried out the research of aggressive liquids to the concrete material corrosion both at home and abroad.For exploring the mechanism of aggressive liquids corrosion concrete structures, after Chinese scholars is passed through field research usually, adopt outdoor test and shop experiment to study.Wherein, shop experiment has adopted accelerated methods such as long period of soaking, cycle immersion, spray according to aggressive liquids and concrete material interaction mode mostly.But shortcoming such as present flushing method and washout test equipment exist that used solution amount is big, the test period is long, the difficult control of speed, pipe system are prone to be corroded.
For solving the deficiency of above existing flush equipment, the utility model combines actual flow aggressive liquids and concrete effect, provides that a kind of used solution amount is little, adjustable-speed, cost consumption test unit low, simple to operate.
Summary of the invention
The purpose of the utility model provides a kind of building materials liquid scouring simulation test device; Through test specimen rotating mechanism simple in structure and aggressive liquids container; Place aggressive liquids to rotate the building materials test specimen; The simulation aggressive liquids reduces the aggressivity solution usage, shortens the test period, simplifies experimental technique the flush of building materials.
The technical scheme of the utility model is: building materials liquid scouring simulation test device; Comprise liquid container 4, support 5, panel 6, movable transparent panel 7, test specimen chuck 12, motor 13, speed setting controller 14; Support 5 tops are panel 6, panel 6 middle parts have the hole that passes of power supply arbor, with liquid container 4 correspondence positions have one transparent panel 7 wherein is housed watch window, motor 13 is loaded on panel 6 middle parts; Test specimen chuck 12 is equipped with in the motor shaft termination; Liquid container 4 places support panel 6 and test specimen chuck 12 lower positions, and speed setting controller 14 is loaded on support 5 sides, and the power lead of motor 13 connects speed setting controller 14.
The solution concentration monitoring equipment of being made up of solution concentration detector 17 and signal Processing and display device 16 is housed on the said support 5, and the signal output part of solution concentration detector 17 connects the input end of solution concentration monitoring equipment 16; Through the watch window of movable transparent panel 7 is housed on the panel 6, can solution concentration detector 17 be stretched in the liquid container 4, through solution concentration monitoring equipment 16 monitoring aggressivity solution concentrations.
Said motor 13 is fixed on the panel 6 through set casing 8 and screw 9; Test specimen chuck 12 is fixed on the motor shaft through screw 10; Right cylinder building materials test specimen 2 is fixed in the test specimen chuck 12 through screw 11, and speed setting controller 14 is supported and fixed on support 5 sides through holder part 15.
Said speed setting controller 14 is made up of motor speed control circuit and microprocessor, and motor speed control circuit is common alignment circuit, and microprocessor is general data treating apparatus such as single-chip microcomputer, computer; Motor 13 is common commercially available buncher, and its working speed is 300～1500 commentaries on classics/min, specifically confirms according to building materials and actual needs.
Said transparent panel 7 is normal transparent sheet materials such as transparent plastic, organic glass, and panel 6 is plank, plastic plate, corrosion resistant plate etc., the framed structure of support for being processed by ferroalloy, stainless steel etc.; Liquid container 4 openings are open-top receptacles such as rectangle or circle, can be processed by materials such as plastics, aluminium alloys; Energy dissipating net 3 can be narrow meshed plastic wire, band coating for protection against corrosion steel mesh etc. for being the annular or the well word shaped as frame purse seine structure at center with building materials test specimen 2; Panel 6 is fixed on the support 5 through commonsense methods such as gluing or screws; Can observe test specimen 2 through watch window.
When this device is used for building materials liquid scouring simulation test; Building materials to be measured is made into the aggressivity solution that the right cylinder test specimen is put into container; Through rotating cylindrical building material test specimen, form the relative motion between aggressivity solution and the building materials test specimen, simulation aggressivity solution is to the flush of building materials test specimen; The aggressivity solution that replacement is flowed washes away static building materials test specimen, obtains the wash away parameter of aggressivity solution to the building materials test specimen.Concrete steps are following:
(1) building materials to be measured is made into the right cylinder test specimen, coats anticorrosive coating (prevent test specimen pinching end and bottom from weathering corrosion and influence the corrosion of test specimen test block) in test specimen two bottom surfaces and upper end, be loaded on then on the chuck of whirligig;
(2) will pack in the open-top receptacle with the aggressivity solution of the actual aggressivity solution same composition of bearing of building materials to be measured; Again right cylinder building materials test specimen is stretched into directly over open-top receptacle the aggressivity solution; The degree of depth that the control test specimen inserts in (immersion) aggressivity solution is 1/2～2/3 of its length, to guarantee to have enough wash surfaces;
(3) start whirligig, the right cylinder test specimen is rotated in aggressivity solution, form aggressivity solution the simulation of building materials test specimen is washed away;
(4) continue rotating cylindrical building material test specimen after a period of time, the simulation flush to right cylinder building materials test specimen is accomplished in the work of the device that stops the rotation;
(5) take off right cylinder building materials test specimen; After flushing, drying; Through conventional method the test specimen situation of weathering is detected, obtain building materials washout test data (mortar specimen quality, the neutralisation degree of depth, intensity etc. are carried out comprehensive analysis processing).
Said right cylinder building materials test specimen has too big relative motion rotating speed to be generally 300 ~ 1500 commentaries on classics/min for preventing with water; Be generally 60～360 days for making test have rational corrosive effect to continue rotational time, specifically confirm according to the difference and the actual needs of building materials.
Said test specimen building materials to be measured is mortar, concrete, brick, stone etc.; The size of right cylinder building materials test specimen and device therefor should specifically be confirmed according to actual needs, and can fully react the erosion condition of building materials generally.
The utility model passes through rotational structure; Can building materials test specimens such as right cylinder mortar, concrete be rotated in inactive liquid, replace the flush of working fluid, need not pass through the recycle that pumping installations can be realized corrosive solution test specimen; Reduce the total consumption of washout test solution significantly; Can realize that the interior length cycle washes away experiment,, can carry out different experiments easily with test specimen to solution of different nature through the replacing of flush liquid with the rotation test specimen.But have lab simulation liquid to the building materials flush, the liquid reusable edible, eroding velocity is adjustable, shorten the test period, simplify experimental technique, simple in structure, cost is low, easy and simple to handle, adapt to advantages such as wide.
Description of drawings
Fig. 1 is the utility model cross-sectional schematic;
Fig. 2 is the utility model support stravismus synoptic diagram;
Fig. 3 is the container synoptic diagram that the utility model fills aggressivity solution.
Fig. 4 is the utility model energy dissipating net synoptic diagram;
Fig. 5 is that the utility model speed setting controller is connected synoptic diagram with motor;
Fig. 6 is that the utility model solution concentration detector is connected synoptic diagram with the solution concentration monitoring equipment.
Among the figure: 1-aggressivity solution (flush liquid); 2-right cylinder building materials test specimen; 3-energy dissipating net; The 4-open-top receptacle; The 5-support; The 6-panel; The mobilizable transparent panel of 7-; 8-motor set casing; 9-connects the screw of motor and panel; 10-connects the screw of motor and test specimen chuck; 11-test specimen chuck housing screw; 12-test specimen chuck; The 13-motor; The 14-speed setting controller; 15-supports the holder part of speed setting controller; 16-solution concentration monitoring equipment; 17-solution concentration detector; 18-connects the lead and the power supply of motor, speed setting controller.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, but the protection domain of the utility model is not limited to said content.
Embodiment 1: shown in Fig. 1-6; The employed device of this building materials liquid scouring simulation test comprises liquid container 4, support 5, panel 6, movable transparent panel 7, test specimen chuck 12, motor 13, speed setting controller 14, and support 5 tops are panel 6; Panel 6 middle parts have the hole that passes of power supply arbor, with liquid container 4 correspondence positions have one transparent panel 7 wherein is housed watch window; Motor 13 is loaded on panel 6 middle parts, and test specimen chuck 12 is equipped with in the motor shaft termination, and liquid container 4 places support panel 6 and test specimen chuck 12 lower positions; Speed setting controller 14 is loaded on support 5 sides, and the power lead of motor 13 connects speed setting controller 14.The height of liquid level in test specimen chuck 12, test specimen 2 and the liquid container 4 guarantees that length is 200mm in the test specimen 2 immersion aggressivity solution.
Be equipped with on the support 5 by common acids solution concentration detector 17 and normal signal and handle the solution concentration monitoring equipment of forming with display device 16; Solution concentration detector 17 stretches in the liquid container 4, and its signal output part connects solution concentration monitoring equipment 16 input ends.Liquid container 4 medium positions under the test specimen chuck 12 are provided with shaped as frame energy dissipating net 3; Right cylinder building materials test specimen 2 is clamped on the test specimen chuck 12, and stretch in the liquid container 4 right cylinder building materials test specimen 2 bottoms.Motor 13 is fixed on the panel 6 through set casing 8 and screw 9; Test specimen chuck 12 is fixed on the motor shaft through screw 10; Right cylinder building materials test specimen 2 is fixed in the test specimen chuck 12 through screw 11, and speed setting controller 14 is supported and fixed on support 5 sides through holder part 15.
It is 4.6 the hydrochloric acid aggressivity solution washout test to concrete material that this device is used to simulate pH value.Mix the system concrete with reference to " Standard for inspection and assessment of strength of concrete " (GB/T50107-2010); And be made as the concrete cylindrical test specimen; Test specimen is put into the hydrochloric acid aggressivity solution of container; Through the rotating cylindrical body concrete sample, form the relative motion between aggressivity solution and the right cylinder concrete sample, simulation hydrochloric acid aggressivity solution is to concrete flush; The hydrochloric acid aggressivity solution that replaces flowing obtains hydrochloric acid aggressivity solution to the concrete parameter of washing away to static concrete washing away.Concrete steps are following:
(1) with reference to " Standard for inspection and assessment of strength of concrete " (GB/T50107-2010), concrete for making to be measured is become the right cylinder concrete sample of diameter 100mm, long 300mm, be clipped in the right cylinder concrete sample on the chuck of whirligig then;
(2) will pack in the open-top receptacle with the hydrochloric acid aggressivity solution of the actual aggressivity solution same composition of bearing of concrete material to be measured; The right cylinder concrete sample is stretched into directly over open-top receptacle the aggressivity solution, the test specimen length that immerses hydrochloric acid is 200mm again;
(3) start whirligig, the right cylinder concrete sample is rotated in hydrochloric acid aggressivity solution with the rotating speed of 1500 commentaries on classics/min, form hydrochloric acid aggressivity solution the simulation of concrete sample is washed away;
(4) continue rotating cylindrical body concrete sample 60 days, the simulation flush to concrete sample is accomplished in the work of the device that stops the rotation then;
(5) take off the right cylinder concrete sample, after flushing, drying, the test specimen situation of weathering is detected, obtain concrete washout test data through conventional method.
Measure the PH changing value that washes away solution with solution concentration monitoring equipment 16,17 every day through observation panel; And use concentration to be titrated to the pH value 4.6 of setting as the hydrochloric acid solution of 0.25mol/L; Note the acid solution volume and the titration time of consumption, each titer just obtains the average consumption mollic acid that this time period specific speed diluted acid washes away concrete sample divided by the time interval of twice titration.After protracted test in 60 days, concrete test block quality, the neutralisation degree of depth, intensity etc. are carried out comprehensive analysis processing with conventional method.
Embodiment 2: shown in Fig. 1-6, the structure of this building materials liquid scouring simulation test device is identical with embodiment 1.The microprocessor of speed setting controller 14 is a common computer, and motor 13 is common commercially available buncher, and the machine operation rotating speed is controlled at 700 commentaries on classics/min.Transparent panel 7 is movable poly (methyl methacrylate) plates, and panel 6 is corrosion resistant plates and is fastened on the support 5 through screw that support 5 is a steel frame construction.Liquid container 4 is that opening is the rectangular plastic container, and energy dissipating net 3 scribbles the iron sheet purse seine of anticorrosive coating for narrow meshed well word shaped as frame surface.The height of liquid level in test specimen chuck 12, test specimen 2 and the liquid container 4 guarantees that the 50mm of test specimen 2 immerses in the aggressivity solution.
This device is used to simulate the washout test of sulfuric acid aggressivity solution to concrete material, and method is identical with embodiment 1 with step.By " Test method for strength of hydraulic cement mortar (ISO method) " (GB/T 17671-1999); It is that 50mm, length are the right cylinder cement mortar specimen of 100mm that sand-cement slurry to be measured is made into diameter; After moulding, maintenance and oven dry; Coat Corrosion Protection vinylite preferably in test specimen two bottom surfaces and upper end, be loaded on then on the chuck of whirligig.The length that test specimen inserts in the dilution heat of sulfuric acid is 50mm, and the test specimen rotating speed is 700 commentaries on classics/min, and continuous rotational time is 150 days; Dilution heat of sulfuric acid is that PH is 3.4 aggressivity solution.
Measure the PH changing value that washes away solution with acid solutions monitoring equipment 16,17 every day through observation panel; And use concentration to arrive the pH value of setting 3.4 surely as the sulfuric acid droplets of 0.125mol/L; Note the acid solution volume and the titration time of consumption, each titer just obtains the average consumption mollic acid that this time period specific speed diluted acid washes away mortar specimen divided by the time interval of twice titration.After protracted test in 150 days, mortar specimen quality, the neutralisation degree of depth, intensity etc. are carried out comprehensive analysis processing with conventional method.
Embodiment 3: shown in Fig. 1-6, the structure of this building materials liquid scouring simulation test device is identical with embodiment 1.The microprocessor of speed setting controller 14 is a common computer, and motor 13 is common commercially available buncher, and the machine operation rotating speed is controlled at 300 commentaries on classics/min.Transparent panel 7 is movable poly (methyl methacrylate) plates, and panel 6 is engineering plastics plates and is fastened on the support 5 through screw that support 5 is a steel frame construction.Liquid container 4 is that opening is the round plastic container, and energy dissipating net 3 scribbles the stainless steel purse seine of anticorrosive coating for narrow meshed annular.The height of liquid level in test specimen chuck 12, test specimen 2 and the liquid container 4 guarantees that length is 90mm in the test specimen 2 immersion aggressivity solution.
This device is used to simulate the washout test of sulfuric acid aggressivity solution to concrete material, and method is identical with embodiment 1 with step.With reference to " Standard for inspection and assessment of strength of concrete " (GB/T50107-2010), it is the right cylinder concrete sample of 150mm, long 150mm that concrete for making to be measured is become diameter; The length that test specimen immerses in the sulfuric acid aggressivity solution is 90mm, and the test specimen rotating speed is that 300 commentaries on classics/min, lasting rotational time are 360 days; Aggressivity solution is that pH value is 4.0 dilution heat of sulfuric acid.
Measure the PH changing value that washes away solution with acid solutions monitoring equipment 16,17 every day through observation panel; And use concentration to be titrated to the pH value 4.0 of setting as the sulfuric acid of 0.3mol/L; Note the sulfuric acid volume and the titration time of consumption, each titer just obtains the average consumption mollic acid that this time period specific speed dilute sulfuric acid washes away mortar specimen divided by the time interval of twice titration.After protracted test in 360 days, concrete test block quality, the neutralisation degree of depth, intensity etc. are carried out comprehensive analysis processing with conventional method.
Claims (5)
1. building materials liquid scouring simulation test device; It is characterized in that: comprise liquid container (4), support (5), panel (6), movable transparent panel (7), test specimen chuck (12), motor (13), speed setting controller (14); Support (5) top is panel (6); Panel (6) middle part has hole that the power supply arbor passes, have one with liquid container (4) correspondence position wherein is equipped with the watch window of transparent panel (7); Motor (13) is loaded on panel (6) middle part, and test specimen chuck (12) is equipped with in the motor shaft termination, and liquid container (4) places support panel (6) and test specimen chuck (12) lower position; Speed setting controller (14) is loaded on support (5) side, and the power lead of motor (13) connects speed setting controller (14).
2. a kind of building materials liquid scouring simulation test device according to claim 1 is characterized in that: the solution concentration monitoring equipment of being made up of solution concentration detector (17) and signal Processing and display device (16) is housed on the support (5); Solution concentration detector (17) stretches in the liquid container (4), and its signal output part connects solution concentration monitoring equipment (16) input end.
3. a kind of building materials liquid scouring simulation test device according to claim 1; It is characterized in that: liquid container (4) medium position under the test specimen chuck (12) is provided with energy dissipating net (3); Right cylinder building materials test specimen (2) is clamped on the test specimen chuck (12), and stretch in the liquid container (4) right cylinder building materials test specimen (2) bottom.
4. a kind of building materials liquid scouring simulation test device according to claim 1; It is characterized in that: motor (13) is fixed on the panel (6) through set casing (8) and screw (9); Test specimen chuck (12) is fixed on the motor shaft through screw (10); Right cylinder building materials test specimen (2) is fixed in the test specimen chuck (12) through screw (11), and speed setting controller (14) is supported and fixed on support (5) side through holder part (15).
5. building materials liquid scouring simulation test device according to claim 1, it is characterized in that: speed setting controller (14) is made up of motor speed control circuit and microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205575632U CN202421032U (en) | 2011-12-28 | 2011-12-28 | Building material liquid flushing simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205575632U CN202421032U (en) | 2011-12-28 | 2011-12-28 | Building material liquid flushing simulation test device |
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| CN202421032U true CN202421032U (en) | 2012-09-05 |
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| CN2011205575632U Expired - Fee Related CN202421032U (en) | 2011-12-28 | 2011-12-28 | Building material liquid flushing simulation test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519864A (en) * | 2011-12-28 | 2012-06-27 | 昆明理工大学 | Building material liquid washing simulation test method and device thereof |
| CN112611667A (en) * | 2020-11-03 | 2021-04-06 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
-
2011
- 2011-12-28 CN CN2011205575632U patent/CN202421032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519864A (en) * | 2011-12-28 | 2012-06-27 | 昆明理工大学 | Building material liquid washing simulation test method and device thereof |
| CN112611667A (en) * | 2020-11-03 | 2021-04-06 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20141228 |
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| EXPY | Termination of patent right or utility model |