CN105486627A - Variable-flow-velocity concrete corrosion test device adopting multiple erosion media - Google Patents
Variable-flow-velocity concrete corrosion test device adopting multiple erosion media Download PDFInfo
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- CN105486627A CN105486627A CN201610039911.4A CN201610039911A CN105486627A CN 105486627 A CN105486627 A CN 105486627A CN 201610039911 A CN201610039911 A CN 201610039911A CN 105486627 A CN105486627 A CN 105486627A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention discloses a variable-flow-velocity concrete corrosion test device adopting multiple erosion media. The variable-flow-velocity concrete corrosion test device comprises a frame, a medium box, a plurality of test sample tubes, a drive motor, a plunger pump and a buffer tank, wherein the frame comprises two layers; the test sample tubes are fixed on an upper-layer platform of the frame; the medium box, the drive motor, the plunger pump and the buffer tank are fixed on a lower-layer platform of the frame; the drive motor is used for driving the plunger pump which drives the erosion media in the medium box to circulate; the medium box, the plunger pump and the buffer tank are connected through a pipeline; a branch pipe is arranged on the pipeline between the plunger pump and the buffer tank to shunt surplus media back to the medium box; a plurality of water outlet ports are formed in the buffer tank, a water inlet and a water outlet are formed in each test sample tube, the water inlets are in one-to-one correspondence with the water outlet ports in the buffer tank, and the water outlets in the test sample tubes are communicated with the medium box through a pipe. According to the variable-flow-velocity concrete corrosion test device, appropriate erosion acceleration media and medium circulating speed are selected according to characteristics of a corrosion environment for development of a concrete corrosion accelerated test.
Description
Technical field
The present invention relates to testing concrete performance technical field, be specifically related to a kind of many etching mediums variable flow rate concrete dissolved corrosion test device.
Background technology
Corrosion is a kind of endurance issues of concrete, and because corrosion process development is slow, conventional test can not characterize the difference of different agent on crack resistance of concrete corrosion performance in time.According to the difference of the actual corrosion medium of engineering, selecting suitable acceleration corrosion medium and medium circulation speed to carry out accelerated test is feasible method.
Summary of the invention
For Problems existing in background technology, the object of the present invention is to provide a kind of many etching mediums variable flow rate concrete dissolved corrosion test device, this test unit selects suitable acceleration corrosion medium and medium circulation speed to carry out concrete corrosion accelerated test according to corrosion environmental quality, achieves the anti-corrosion performance contrasting different concrete square case sooner more accurately good and bad.
The object of the invention is to be achieved through the following technical solutions:
A kind of many etching mediums variable flow rate concrete dissolved corrosion test device, described test unit comprises framework, medium box, several test specimen tubes, drive motor, ram pump and surge tank; Wherein, described framework is provided with two-layer platform; Test specimen tube described in several is fixedly installed on the upper platform of described framework; Described medium box, drive motor, ram pump and surge tank are fixedly installed on lower floor's platform of described framework; Described drive motor, for driving described ram pump, drives the corrosion medium circulation in described medium box by described ram pump; Described medium box, ram pump, surge tank are connected by pipeline, described surge tank is provided with several water outlet mouthpieces, test specimen tube described in each is provided with into water interface and water outlet mouthpiece, water outlet mouthpiece one_to_one corresponding on described water inlet interface and surge tank, the water outlet mouthpiece on described test specimen tube is communicated with described medium box by pipeline.
Further, described test unit also comprises several float type flow meters, described float type flow meter and described test specimen tube one_to_one corresponding, after described float type flow meter, the water inlet interface on described test specimen tube is entered, by the corrosion rate-of flow of described float type flow meter control flow check through each test specimen tube from the corrosion medium out of the water outlet mouthpiece described surge tank.
Further, described water outlet mouthpiece and water inlet interface are all connected with fast water collecting nozzle.
Further, described test specimen tube comprises upper cover plate, lower cover and staving, and wherein, described water inlet interface is located on described lower cover, and described water outlet mouthpiece is located on described upper cover plate; The circumference of described upper cover plate and lower cover is provided with storage tank, and the two ends of described staving embed described storage tank and form test specimen tube, described storage tank liner O-ring seal.
Further, the periphery correspondence position of described upper cover plate and lower cover is provided with several through holes, after the two ends of described staving embed described storage tank, in the through hole of the periphery correspondence position of upper cover plate and lower cover, all inserts leading screw, to upper cover plate, lower cover and staving carry out fastening.
Further, described upper cover plate and lower cover are processed into by aluminium sheet, and described staving adopts external diameter 250mm, and the acrylic pipe of wall thickness 5mm, high 150mm is made.
Further, the outlet pipeline of described ram pump is provided with fork pipeline, in order to the discharge pressure of pilot plunger pump.
The present invention has following positive technique effect:
The test unit of the application selects suitable acceleration corrosion medium and medium circulation speed to carry out concrete corrosion accelerated test according to corrosion environmental quality, achieves the anti-corrosion performance contrasting different concrete square case sooner more accurately good and bad.
Accompanying drawing explanation
Fig. 1 is the structural representation of dissolved corrosion test device of the present invention;
Fig. 2 is the structural representation of upper cover plate of the present invention;
Fig. 3 is the structural representation of lower cover of the present invention;
Fig. 4 is the structural representation of surge tank of the present invention.
Embodiment
Below, with reference to accompanying drawing, the present invention is more fully illustrated, shown in the drawings of exemplary embodiment of the present invention.But the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the present invention comprehensively with complete, and scope of the present invention is fully conveyed to those of ordinary skill in the art.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
As Figure 1-4, many etching mediums variable flow rate concrete dissolved corrosion test device of the application comprises framework 1, medium box 6, several test specimen tubes 2, drive motor 3, ram pump 4 and surge tank 5; Wherein, framework 1 is provided with two-layer platform; Several test specimen tubes 2 are fixedly installed on the upper platform of framework 1; Medium box 6, drive motor 3, ram pump 4 and surge tank 5 are fixedly installed on lower floor's platform of framework 1; Drive motor 3 for actuation plunger pump 4, by the corrosion medium circulation in ram pump 4 drive medium case 6; Surge tank 5 is connected by pipeline with medium box 6, surge tank 5 is provided with several water outlet mouthpieces 12, each test specimen tube 2 is provided with into water interface 11 and water outlet mouthpiece 8, described water inlet interface 11 and water outlet mouthpiece 12 one_to_one corresponding on surge tank 5, the water outlet mouthpiece 8 on test specimen tube 2 is communicated with medium box 6 by pipeline.
Preferably, the test unit of the application also comprises several float type flow meters, float type flow meter is arranged in the surrounding panel (not shown) of framework 1, float type flow meter and test specimen tube 2 one_to_one corresponding, after described float type flow meter, the water inlet interface 11 on test specimen tube 2 is entered, by the corrosion rate-of flow of float type flow meter control flow check through each test specimen tube from the corrosion medium out of the water outlet mouthpiece 12 surge tank 5.
The course of work of many etching mediums variable flow rate concrete dissolved corrosion test device of the application is: drive motor 3 actuation plunger pump 4 works, corrosion medium circulation in ram pump 4 drive medium case 6, in medium box 6 corrosion medium out first through surge tank 5 inlet opening 13 enter surge tank 5, then the water outlet mouthpiece 12 on surge tank 5 enters the water inlet interface 11 on the lower cover 10 of test specimen tube 2, concrete to be detected is placed in test specimen tube 2, final water outlet mouthpiece 8 on the upper cover plate 7 of test specimen tube 2 flows into, final inflow medium box 6, complete the whole cyclic process of corrosion medium, the performance change of concrete sample is measured after the acceleration dissolved corrosion test of certain hour, good and bad with more different agent on crack resistance of concrete corrosion performance.
Preferably, the application water outlet mouthpiece and water inlet interface on be all connected with fast water collecting nozzle; Test specimen tube 2 comprises upper cover plate 7, lower cover 10 and staving, and wherein, water inlet interface 11 is located on described lower cover 10, and water outlet mouthpiece 8 is located on described upper cover plate 7; The circumference of upper cover plate and lower cover is provided with storage tank 14, and the two ends of staving embed storage tank 14 and form test specimen tube 2; O-ring seal is lined with in storage tank 14, for ensureing upper cover plate 7, the sealing property of junction between lower cover 10 and staving.The periphery correspondence position of upper cover plate 7 and lower cover 10 is provided with several through holes 9, after the two ends of staving embed described storage tank 14, in the through hole of the periphery correspondence position of upper cover plate 7 and lower cover 10, all insert leading screw, to upper cover plate 7, lower cover 10 and staving carry out fastening; Preferably, upper cover plate 7 and lower cover 10 are provided with three through holes, 9, three through holes respectively along the outer weekly interval 120 degree setting of staving at the correspondence position of the two.Upper cover plate 7 and lower cover 10 are processed into by aluminium sheet, and staving adopts external diameter 250mm, and the acrylic pipe of wall thickness 5mm, high 150mm is made.
Preferably, the outlet pipeline of the ram pump 4 of the application is provided with fork pipeline (not shown), in order to the discharge pressure of pilot plunger pump 4.
Described just in order to the present invention is described above, be construed as the present invention and be not limited to above embodiment, meet the various variants of inventive concept all within protection scope of the present invention.
Claims (7)
1. the variable flow rate of etching medium more than a concrete dissolved corrosion test device, it is characterized in that, described test unit comprises framework, medium box, several test specimen tubes, drive motor, ram pump and surge tank; Wherein, described framework is provided with two-layer platform; Test specimen tube described in several is fixedly installed on the upper platform of described framework; Described medium box, drive motor, ram pump and surge tank are fixedly installed on lower floor's platform of described framework; Described drive motor, for driving described ram pump, drives the corrosion medium circulation in described medium box by described ram pump; Described medium box, ram pump, surge tank are connected by pipeline, described surge tank is provided with several water outlet mouthpieces, test specimen tube described in each is provided with into water interface and water outlet mouthpiece, water outlet mouthpiece one_to_one corresponding on described water inlet interface and surge tank, the water outlet mouthpiece on described test specimen tube is communicated with described medium box by pipeline.
2. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 1, it is characterized in that, described test unit also comprises several float type flow meters, described float type flow meter and described test specimen tube one_to_one corresponding, after described float type flow meter, the water inlet interface on described test specimen tube is entered, by the corrosion rate-of flow of described float type flow meter control flow check through each test specimen tube from the corrosion medium out of the water outlet mouthpiece described surge tank.
3. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 1, is characterized in that, described water outlet mouthpiece and water inlet interface are all connected with fast water collecting nozzle.
4. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 1, it is characterized in that, described test specimen tube comprises upper cover plate, lower cover and staving, wherein, described water inlet interface is located on described lower cover, and described water outlet mouthpiece is located on described upper cover plate; The circumference of described upper cover plate and lower cover is provided with storage tank, and the two ends of described staving embed described storage tank and form test specimen tube, described storage tank liner O-ring seal.
5. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 4, it is characterized in that, the periphery correspondence position of described upper cover plate and lower cover is provided with several through holes, after the two ends of described staving embed described storage tank, all leading screw is inserted in the through hole of the periphery correspondence position of upper cover plate and lower cover, to upper cover plate, lower cover and staving carry out fastening.
6. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 4, it is characterized in that, described upper cover plate and lower cover are processed into by aluminium sheet, and described staving adopts external diameter 250mm, and the acrylic pipe of wall thickness 5mm, high 150mm is made.
7. many etching mediums variable flow rate concrete dissolved corrosion test device according to claim 1, it is characterized in that, the outlet pipeline of described ram pump is provided with fork pipeline, in order to the discharge pressure of pilot plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610039911.4A CN105486627B (en) | 2016-01-21 | 2016-01-21 | A kind of more etching medium variable flow rate concrete dissolved corrosion test devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610039911.4A CN105486627B (en) | 2016-01-21 | 2016-01-21 | A kind of more etching medium variable flow rate concrete dissolved corrosion test devices |
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| CN105486627A true CN105486627A (en) | 2016-04-13 |
| CN105486627B CN105486627B (en) | 2018-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406378A (en) * | 2018-12-14 | 2019-03-01 | 中国科学院武汉岩土力学研究所 | A kind of experimental provision and method of concrete accelerated erosion |
| CN114578030A (en) * | 2020-11-30 | 2022-06-03 | 南京博特新材料有限公司 | Multi-medium coupling variable-temperature pressure corrosion test device and test method |
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| CN101620217A (en) * | 2009-08-07 | 2010-01-06 | 武汉理工大学 | Device for controlling concentration of erosion solution in concrete durability experiment |
| CN101701899A (en) * | 2009-11-05 | 2010-05-05 | 东南大学 | Device and method for testing cement stone leaching corrosion under action of flowing water and pressure water |
| CN101799396A (en) * | 2010-04-14 | 2010-08-11 | 浙江省水利河口研究院 | Concrete durability water seepage collection instrument |
| CN103743626A (en) * | 2014-02-08 | 2014-04-23 | 浙江大学 | Test apparatus and test method for reinforced concrete beam freeze thawing durability |
| CN205538593U (en) * | 2016-01-21 | 2016-08-31 | 水利部交通运输部国家能源局南京水利科学研究院 | Variable velocity of flow concrete corrosion test device of medium that corrode more |
-
2016
- 2016-01-21 CN CN201610039911.4A patent/CN105486627B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620217A (en) * | 2009-08-07 | 2010-01-06 | 武汉理工大学 | Device for controlling concentration of erosion solution in concrete durability experiment |
| CN101701899A (en) * | 2009-11-05 | 2010-05-05 | 东南大学 | Device and method for testing cement stone leaching corrosion under action of flowing water and pressure water |
| CN101799396A (en) * | 2010-04-14 | 2010-08-11 | 浙江省水利河口研究院 | Concrete durability water seepage collection instrument |
| CN103743626A (en) * | 2014-02-08 | 2014-04-23 | 浙江大学 | Test apparatus and test method for reinforced concrete beam freeze thawing durability |
| CN205538593U (en) * | 2016-01-21 | 2016-08-31 | 水利部交通运输部国家能源局南京水利科学研究院 | Variable velocity of flow concrete corrosion test device of medium that corrode more |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406378A (en) * | 2018-12-14 | 2019-03-01 | 中国科学院武汉岩土力学研究所 | A kind of experimental provision and method of concrete accelerated erosion |
| CN114578030A (en) * | 2020-11-30 | 2022-06-03 | 南京博特新材料有限公司 | Multi-medium coupling variable-temperature pressure corrosion test device and test method |
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| CN105486627B (en) | 2018-09-07 |
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