CN105486627B - A kind of more etching medium variable flow rate concrete dissolved corrosion test devices - Google Patents
A kind of more etching medium variable flow rate concrete dissolved corrosion test devices Download PDFInfo
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- CN105486627B CN105486627B CN201610039911.4A CN201610039911A CN105486627B CN 105486627 B CN105486627 B CN 105486627B CN 201610039911 A CN201610039911 A CN 201610039911A CN 105486627 B CN105486627 B CN 105486627B
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- plunger pump
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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 kind of more etching medium variable flow rate concrete dissolved corrosion test devices comprising frame, medium box, several test specimen tubes, driving motor, plunger pump and surge tank;Frame has two layers;Test specimen tube is fixed on the upper platform of frame;Medium box, driving motor, plunger pump and surge tank are fixed on lower layer's platform of frame;Driving motor is for driving plunger pump, plunger pump to drive the corrosion medium circulation in medium box;Medium box, plunger pump, surge tank pass through piping connection;Pipeline between plunger pump and surge tank is equipped with the extra medium of bifurcated pipe shunting and returns to medium box;It is provided with several water outlet mouthpieces on surge tank, water inlet interface and water outlet mouthpiece are both provided on each test specimen tube, water inlet interface is corresponded with the water outlet mouthpiece on surge tank, and the water outlet mouthpiece on test specimen tube is communicated by pipeline with medium box.The application selects suitable acceleration corrosion medium and medium circulation speed to carry out concrete corrosion accelerated test according to corrosion environmental quality.
Description
Technical field
The present invention relates to testing concrete performance technical fields, and in particular to a kind of more etching medium variable flow rate concrete
Dissolved corrosion test device.
Background technology
Corrosion is a kind of endurance issues of concrete, and since corrosion process development is slow, routine test cannot characterize in time
The difference of different agent on crack resistance of concrete corrosion performances.According to the difference of the practical corrosion medium of engineering, suitable acceleration corrosion medium is selected
It is feasible method to carry out accelerated test with medium circulation speed.
Invention content
The problem of for background technology, it is mixed that the purpose of the present invention is to provide a kind of more etching medium variable flow rates
Solidifying soil dissolved corrosion test device, the experimental rig select suitable acceleration corrosion medium and medium circulation speed according to corrosion environmental quality
Degree carry out concrete corrosion accelerated test, realize faster more accurately compare different concrete schemes anti-corrosion performance it is excellent
It is bad.
The purpose of the present invention is achieved through the following technical solutions:
A kind of more etching medium variable flow rate concrete dissolved corrosion test devices, the experimental rig include frame, medium box,
Several test specimen tubes, driving motor, plunger pump and surge tank;Wherein, the frame is provided with two layers of platform;Several described examinations
Sample cylinder is fixed on the upper platform of the frame;The medium box, driving motor, plunger pump and surge tank fixed setting
On lower layer's platform of the frame;The driving motor is for driving the plunger pump, described in plunger pump driving
Corrosion medium circulation in medium box;The medium box, plunger pump, surge tank are arranged on the surge tank by piping connection
Have several water outlet mouthpieces, be both provided with water inlet interface and water outlet mouthpiece on each described test specimen tube, the water inlet interface with
Water outlet mouthpiece on surge tank corresponds, and the water outlet mouthpiece on the test specimen tube is communicated by pipeline with the medium box.
Further, the experimental rig further includes several float-type flowmeters, the float-type flowmeter and the examination
Sample cylinder corresponds, and the corrosion medium come out from the water outlet mouthpiece on the surge tank enters institute after the float-type flowmeter
The water inlet interface on test specimen tube is stated, the corrosion rate-of flow of each test specimen tube is flowed through by float-type flowmeter control.
Further, it is respectively connected with fast water collecting nozzle in the water outlet mouthpiece and water inlet interface.
Further, the test specimen tube includes upper cover plate, lower cover and staving, wherein the water inlet interface be located at it is described under
On cover board, the water outlet mouthpiece is located on the upper cover plate;The circumferential direction of the upper cover plate and lower cover is both provided with storage tank, institute
The both ends for stating staving are embedded in the storage tank composition test specimen tube, the accommodating Pot Lining sealing ring.
Further, the periphery corresponding position of the upper cover plate and lower cover is provided with several through-holes, and the two of the staving
After the embedded storage tank in end, it is inserted into leading screw in the through-hole of upper cover plate and the periphery corresponding position of lower cover, to upper cover plate,
Lower cover and staving are fastened.
Further, the upper cover plate and lower cover are processed by aluminium sheet, and the staving uses outer diameter 250mm, wall thickness
The acrylic pipe of 5mm, high 150mm are made.
Further, the outlet pipeline of the plunger pump is equipped with fork pipeline, to the discharge pressure of pilot plunger pump.
The present invention has following positive technique effect:
The experimental rig of the application selects suitable acceleration corrosion medium and medium circulation speed according to corrosion environmental quality
Carry out concrete corrosion accelerated test, realizes the anti-corrosion performance quality for faster more accurately comparing different concrete schemes.
Description of the drawings
Fig. 1 is the structural schematic diagram of dissolved corrosion test device of the present invention;
Fig. 2 is the structural schematic diagram of upper cover plate of the present invention;
Fig. 3 is the structural schematic diagram of lower cover of the present invention;
Fig. 4 is the structural schematic diagram of surge tank of the present invention.
Specific implementation mode
In the following, refer to the attached drawing, makes a more thorough explanation the present invention, shown in the drawings of the exemplary implementation of the present invention
Example.However, the present invention can be presented as a variety of different forms, it is not construed as the exemplary implementation for being confined to describe here
Example.And these embodiments are to provide, it is of the invention full and complete to make, and will fully convey the scope of the invention to this
The those of ordinary skill in field.
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" can include both upper and lower orientation.Device can be positioned in other ways(It is rotated by 90 ° or is located at
Other orientation), can be interpreted accordingly used herein of the opposite explanation in space.
As shown in Figs 1-4, more etching medium variable flow rate concrete dissolved corrosion test devices of the application include frame 1, are situated between
Matter case 6, several test specimen tubes 2, driving motor 3, plunger pump 4 and surge tank 5;Wherein, frame 1 is provided with two layers of platform;It is several
A test specimen tube 2 is fixed on the upper platform of frame 1;Medium box 6, driving motor 3, plunger pump 4 and the fixation of surge tank 5 are set
It sets on lower layer's platform of frame 1;Driving motor 3 drives the corrosion in medium box 6 for driving plunger pump 4, by plunger pump 4
Medium circulation;Surge tank 5 and medium box 6 are provided with several water outlet mouthpieces 12 by piping connection on surge tank 5, each
Water inlet interface 11 and water outlet mouthpiece 8, the water inlet interface 11 and the water outlet mouthpiece 12 on surge tank 5 are both provided on test specimen tube 2
It corresponds, the water outlet mouthpiece 8 on test specimen tube 2 is communicated by pipeline with medium box 6.
Preferably, the experimental rig of the application further includes several float-type flowmeters, and float-type flowmeter is mounted on frame
The surrounding panel of frame 1(It is not shown in figure)On, float-type flowmeter is corresponded with test specimen tube 2, is connect from the water outlet on surge tank 5
The corrosion media of mouth 12 out enter the water inlet interface 11 on test specimen tube 2 after the float-type flowmeter, pass through float-type stream
Gauge controls the corrosion rate-of flow for flowing through each test specimen tube.
The course of work of more etching medium variable flow rate concrete dissolved corrosion test devices of the application is:Driving motor 3 drives
Dynamic plunger pump 4 works, and plunger pump 4 drives the corrosion medium circulation in medium box 6, first from the interior corrosion medium out of medium box 6
Inlet opening 13 enters surge tank 5 on buffered tank 5, and then the water outlet mouthpiece 12 on buffered tank 5 enters the lower cover of test specimen tube 2
Water inlet interface 11 on 10, test specimen tube 2 is interior to place concrete to be detected, finally the water outlet mouthpiece on the upper cover plate 7 through test specimen tube 2
8 flow into, and finally flow into medium box 6, the entire cyclic process of corrosion medium are completed, after the acceleration dissolved corrosion test of certain time
The performance change for measuring concrete sample, with more different agent on crack resistance of concrete corrosion performances quality.
Preferably, it is respectively connected with fast water collecting nozzle in the water outlet mouthpiece of the application and water inlet interface;Test specimen tube 2 includes upper cover plate
7, lower cover 10 and staving, wherein water inlet interface 11 is located on the lower cover 10, and water outlet mouthpiece 8 is located at the upper cover plate 7
On;The circumferential direction of upper cover plate and lower cover is both provided with storage tank 14, and the both ends insertion storage tank 14 of staving constitutes test specimen tube 2;Hold
It sets slot 14 and is lined with sealing ring, for ensureing upper cover plate 7, the sealing performance of junction between lower cover 10 and staving.Upper cover plate 7
The periphery corresponding position of lower cover 10 is provided with several through-holes 9, after the both ends of staving are embedded in the storage tank 14, in upper cover
It is inserted into leading screw in the through-hole of the periphery corresponding position of plate 7 and lower cover 10, to upper cover plate 7, lower cover 10 and staving carry out tightly
Gu;Preferably, upper cover plate 7 and lower cover 10 are respectively provided with that there are three through-holes 9 in the corresponding position of the two, and three through-holes are respectively along bucket
120 degree of settings of outer weekly interval of body.Upper cover plate 7 and lower cover 10 are processed by aluminium sheet, and staving uses outer diameter 250mm, wall thickness
The acrylic pipe of 5mm, high 150mm are made.
Preferably, the outlet pipeline of the plunger pump 4 of the application is equipped with fork pipeline(It is not shown in figure), to adjustable column
The discharge pressure of plug pump 4.
It is described above simply to illustrate that of the invention, it is understood that the present invention is not limited to the above embodiments, meets
The various variants of inventive concept are within protection scope of the present invention.
Claims (1)
1. a kind of more etching medium variable flow rate concrete dissolved corrosion test devices, which is characterized in that the experimental rig includes frame
Frame, medium box, several test specimen tubes, driving motor, plunger pump and surge tank;Wherein, the frame is provided with two layers of platform;If
The dry test specimen tube is fixed on the upper platform of the frame;The medium box, driving motor, plunger pump and buffering
Tank is fixed on lower layer's platform of the frame;The driving motor passes through the plunger for driving the plunger pump
Pump drives the corrosion medium circulation in the medium box;The medium box, plunger pump, surge tank are described slow by piping connection
It rushes on tank and is provided with several water outlet mouthpieces, water inlet interface and water outlet mouthpiece are both provided on each described test specimen tube, it is described
Water inlet interface is corresponded with the water outlet mouthpiece on surge tank, and the water outlet mouthpiece on the test specimen tube passes through pipeline and the medium
Case communicates;The test specimen tube includes upper cover plate, lower cover and staving, wherein the water inlet interface is located on the lower cover, institute
Water outlet mouthpiece is stated to be located on the upper cover plate;
The experimental rig further includes several float-type flowmeters, and the float-type flowmeter is a pair of with the test specimen tube one
It answers, the corrosion medium come out from the water outlet mouthpiece on the surge tank enters after the float-type flowmeter on the test specimen tube
Water inlet interface, the corrosion rate-of flow of each test specimen tube is flowed through by float-type flowmeter control;
Fast water collecting nozzle is respectively connected on the water outlet mouthpiece and water inlet interface;
The circumferential direction of the upper cover plate and lower cover is both provided with storage tank, and the both ends of the staving are embedded in the storage tank and constitute examination
Sample cylinder, the accommodating Pot Lining sealing ring;
The periphery corresponding position of the upper cover plate and lower cover is provided with several through-holes, and the both ends of the staving are embedded in the appearance
After setting slot, it is inserted into leading screw in the through-hole of upper cover plate and the periphery corresponding position of lower cover, to upper cover plate, lower cover and staving
It is fastened;
The upper cover plate and lower cover are processed by aluminium sheet, and the staving uses outer diameter 250mm, wall thickness 5mm, high 150mm's
Acrylic pipe is made;
The outlet pipeline of the plunger pump is equipped with fork pipeline, to the discharge pressure of pilot plunger pump.
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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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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 CN105486627A (en) | 2016-04-13 |
CN105486627B true CN105486627B (en) | 2018-09-07 |
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Families Citing this family (2)
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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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101701899B (en) * | 2009-11-05 | 2012-02-22 | 东南大学 | Device and method for testing cement stone leaching corrosion under action of flowing water and pressure water |
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 |
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2016
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Patent Citations (3)
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 |
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 |
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