CN108426824A - A kind of concentration of salt solution control device that simulation concrete structural environment corrodes - Google Patents
A kind of concentration of salt solution control device that simulation concrete structural environment corrodes Download PDFInfo
- Publication number
- CN108426824A CN108426824A CN201810529362.8A CN201810529362A CN108426824A CN 108426824 A CN108426824 A CN 108426824A CN 201810529362 A CN201810529362 A CN 201810529362A CN 108426824 A CN108426824 A CN 108426824A
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- China
- Prior art keywords
- container
- concentration
- salt solution
- fixing piece
- concrete structural
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Classifications
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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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
Abstract
The invention discloses the concentration of salt solution control devices that a kind of simulation concrete structural environment corrodes, including container, container upper end to be provided with metallic support.Guide rail is installed on metallic support, sliding block is slidably fitted on guide rail, external rotor electric machine is installed on sliding block, external rotor electric machine is rotatablely equipped with expansion bend, and expansion bend is removably connected with brush roll.The bottom of container is communicated with plastic tube, and plastic tube is vertically arranged in outside of containers, and the top on the outside of plastic tube is provided with level sensor, and diaphragm is placed in plastic tube.Container is also communicated with water storage tank by diversion pipe, and Direct Action Type normally closed solenoid valve is equipped on diversion pipe.External rotor electric machine, expansion bend, Direct Action Type normally closed solenoid valve and level sensor are all connected with microcontroller.The present invention provides a kind of simulation concrete structural environment erosion, controllable concentration of salt solution control range, regulation and control experimental provision that is efficient, can realizing automation control.
Description
Technical field
The invention belongs to analogue experiment installation technical fields, and in particular to a kind of salt that simulation concrete structural environment corrodes
Solution concentration control device.
Background technology
In hydraulic engineering structure, Reinforced Concrete Materials is often because be under the harsh environments such as ocean, salt lake, week
It encloses solution and contains salt solute, the durability of material is caused to be affected, especially in engineering is navigated at port, reinforced concrete great soil group will be by
Concrete is invaded with diffusion mode to the erosion of all kinds of salts, such as chlorion：1. reducing rebar surface pH value, it is blunt to destroy reinforcing bar
Change film；2. forming corrosion cell；3. depolarizing, anodic product is carried, accelerates cell reaction；4. it is conductive, strengthen ion channels, drop
Low negative and positive interpolar Ohmic resistance influences material adhesive property, destroys structural stability, often results in building endurance issues, make
At heavy economic losses.Therefore, in hydraulic engineering field, to bending of the material in salting liquid, resistance to compression, anti-folding, resistance to torsion
The emphasis for being increasingly becoming people's care can be studied.
In order to assess the durability of armored concrete, need to obtain Corroded Reinforced Concrete test specimen by method.In order to short
The Corroded Reinforced Concrete test specimen obtained in phase in the case where laboratory obtains being similar to natural conditions, the corrosion method used at present are
Plexiglass box is installed in concrete surface, test specimen is immersed in by the sodium chloride solution that implantation concentration is 3.5% in container
In solution.But during the test due to being influenced by evaporation, simultaneously crystal salt influence test accuracy is precipitated in solution water level decreasing.
At this moment it needs that supplement water is manually added and stirs, work is relatively complicated and human error easily occurs.
For disadvantage mentioned above, patent application 201511005689.8 discloses a kind of reality of controllable effects of ion concentration
Experiment device and test method, are arranged circulating pump on solution cycle official road, and air inlet, gas outlet, operation type is arranged in reaction vessel
Sample, reference electrode and auxiliary electrode.Solution enters solution circulating line from circulating line input end, in ion exchange resin pipe
Effects of ion adjusts the rotary speed of circulating pump, changes with the ion exchange in ion exchange resin according to ion accumulation situation
Become solution and ion exchange resin time, ion concentration controls within claimed range.But the invention ion to be exchanged is only
It for metal ion, and is reacted in closed container, can not just simulate in the case of complicated ocean, salt lake chlorion to the shadow of material
It rings, the concentration variation issue that solution evaporator strip comes can not be solved.
Invention content
The present invention to solve the deficiencies in the prior art, provide a kind of control accuracy it is high, it is efficient, be suitable for different vessel,
It can realize automation control, accurately control solution concentration variation range and make control device and the behaviour of solution holding isotropic stable
Make method.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of concentration of salt solution control device that simulation concrete structural environment corrodes, includes the container of upper end opening, institute
It states container upper end and is provided with metallic support, guide rail is installed on the metallic support, sliding block, institute are slidably fitted on the guide rail
It states and external rotor electric machine is installed on sliding block, the rotary shaft of the outer rotor is vertically arranged, and the external rotor electric machine rotary shaft is separate
The lower end of external rotor electric machine is connected with expansion bend, and telescopic rod, the central shaft of the telescopic rod are installed on the expansion bend
For central shaft with external rotor electric machine rotary shaft on same vertical line, the telescopic rod is removably connected with hairbrush
On same vertical line, the brush roll is close to container inner wall for roller, the central shaft of the brush roll and the central shaft of telescopic rod；
The bottom of the container is communicated with plastic tube, and the plastic tube is vertically arranged in outside of containers, the plastic tube
Upper end is equipped with level sensor；
The container is also communicated with water storage tank by diversion pipe, and Direct Action Type normally closed solenoid valve is equipped on the diversion pipe；
The external rotor electric machine, expansion bend, Direct Action Type normally closed solenoid valve and level sensor are all connected with microcontroller.
Further, the diversion pipe includes tube body, and the both sides port of the tube body is both provided with internal thread, the tube body
One end is provided with fixing piece one, and external screw thread is provided on the fixing piece one, and the fixing piece one passes through internal thread and external screw thread
Connection pipe body is fixedly connected with sealing element one on the fixing piece one, and the tube body other end is provided with fixing piece two, described solid
Determine to be also equipped with external screw thread on part two, the fixing piece two is by internal thread and male union body, on the fixing piece two
It is fixedly connected with sealing element two, the sealing element one connects container, and the sealing element two connects water storage tank.
Further, the brush roll includes metal shaft, brush filament attachment and nylon brush thread, and the brush filament attachment can turn
Dynamic is set in outside metal shaft, and the nylon brush thread is mounted on brush filament attachment, the bottom end of the brush filament attachment and container
Bottom end flushes, and the top of the brush filament attachment is higher than the height of initial liquid level.
Further, the container is rectangular parallelepiped structure.
Further, the metallic support is mounted on by card slot on container, and card slot setting is described in container upper end
Metallic support is inserted into card slot.
Further, the number of the sliding block is 3.
Beneficial effects of the present invention are：
The present invention provides a kind of simulation concrete structural environment erosion, controllable concentration of salt solution control range, regulation and control effect
Rate is high, can realize the experimental provision of automation control.It can realize that solution concentration automatically controls in corrosion test, improve experiment
Precision solves repetitive operation during the test and the larger pain spot of human error.
Description of the drawings
Fig. 1 is the schematic top plan view of apparatus of the present invention；
Fig. 2 is the schematic diagram of X-X sections in Fig. 1；
Fig. 3 is the mounting structure schematic diagram of external rotor electric machine in the present invention, expansion bend and brush roll；
Fig. 4 is the control schematic diagram of microcontroller in the present invention.
Reference sign：
1- water storage tanks, 2- diversion pipes, 3- containers, 4- level sensors, 5- plastic tubes, 6- Direct Action Types normally closed solenoid valve, 7-
Guide rail, 8- brush rolls, 9- card slots, 10- draft tube outlets, 11- external rotor electric machines, 12- telescopic rods, 13- metallic supports, 14- spiral shells
Bolt, 15- sliding blocks, 16- expansion bends, 17- diaphragms.
Specific implementation mode
Below by specific embodiment, the invention will be further described, and following embodiment is descriptive, is not limit
Qualitatively, protection scope of the present invention cannot be limited with this.
As shown in Figures 1 to 4, the concentration of salt solution control device that a kind of simulation concrete structural environment corrodes, including it is upper
The container 3 of end opening, container 3 are rectangular parallelepiped structure.3 upper end of container is equipped with card slot 9, and metallic support 13 is inserted in card slot 9.This
Invention metallic support 13 is made with cast low alloy steel, and casting low-alloy has larger impact flexibility, passes through heat treatment
Better mechanical performance is obtained, part quality is reduced, improves service life.Guide rail 7 is installed, on guide rail 7 on metallic support 13
It is slidably fitted with sliding block 15, the present invention uses three sliding blocks 15.External rotor electric machine 11 is mounted on sliding block 15, outer rotor 11
Rotary shaft is vertically arranged, and lower end of 11 rotary shaft of external rotor electric machine far from external rotor electric machine 11 is connected with expansion bend 16, expansion bend
Telescopic rod 12 is installed on 16, the central shaft of telescopic rod 12 is perpendicular in same with the central shaft of 11 rotary shaft of external rotor electric machine
On straight line, telescopic rod 12 is removably connected with brush roll 8, and the central shaft of brush roll 8 is with the central shaft of telescopic rod 12 in same
On vertical line.Brush roll 8 includes metal shaft, brush filament attachment and nylon brush thread, and brush filament attachment is rotatably set in metal
Outside axis, nylon brush thread is mounted on brush filament attachment.The bottom end of brush filament attachment is flushed with 3 bottom end of container, brush filament attachment
Top is higher than the height of initial liquid level.Brush roll 8 keeps vertical, and brush roll 8 is fitted closely with 3 inner wall of container.Hair of the present invention
Brush roll 8 uses nylon 610 brush filament, and nylon 610 brush filament wear resistance is preferable, has a characteristics such as high temperature-resistant acid-resistant alkali, elasticity compared with
The advantages that good.
The bottom of container 3 is communicated with plastic tube 5, and plastic tube 5 is arranged in 3 outside upright of container, the upper end installation of plastic tube 5
There is level sensor 4.
Container 3 is also communicated with the water storage tank 1 for storing make-up water by diversion pipe 2, and diversion pipe 2 includes tube body, tube body
Both sides port be both provided with internal thread, tube body one end is provided with fixing piece one, external screw thread, fixing piece is provided on fixing piece one
One passes through internal thread and male union body.Sealing element one is fixedly connected on fixing piece one, the tube body other end is provided with solid
Determine part two, external screw thread is also equipped on fixing piece two, fixing piece two passes through internal thread and male union body.On fixing piece two
It is fixedly connected with sealing element two, sealing element one connects container 3, and sealing element two connects water storage tank 1.It is installed on the tube body of diversion pipe 2
There is Direct Action Type normally closed solenoid valve 6, to realize the controllable conveying of make-up water.The entrance that diversion pipe 2 stretches into container 3 is located in container
At the above 20mm of standard liquid level, and it is 10mm that diversion pipe 2, which puts in the length of container 3,.
External rotor electric machine 11, expansion bend 16, Direct Action Type normally closed solenoid valve 6 and level sensor 4 are all connected with microcontroller.This hair
The bright microcontroller in computer board judges water level, the magnet ring in level sensor 4 and coil by detecting pneumatic frequency size
Lc circuit is formed, water level decreasing drives air pressure to decline, then the diaphragm 17 in level sensor 4 moves downward, and band moving winding is in magnetic
It is moved down in ring, to change inductance value, to change the frequency of oscillating circuit.Computer board can according to this numerical values recited come
Judge and read water level signal, and is transmitted to microcontroller.When reaching early warning water level, microcontroller sends out instruction, and it is normal to open Direct Action Type
It closes solenoid valve 6 and carries out moisturizing.After water level restores, microcontroller disconnecting circuit closes Direct Action Type normally closed solenoid valve 6.Monolithic simultaneously
Machine controls expansion bend 16 and external rotor electric machine 11, and control brush roll 8 by microcontroller stretches into solution through guide rail 7, and brush roll 8 rotates
It is mobile to advance, crystal salt is swept into solution, Solute mass in solution is made to remain unchanged, is completed at the same time test specimen wall surface, 3 wall surface of container
And the cleaning works of bottom crystal salt and solution stir work, after cleaning 3 times back and forth, expansion bend 16 is shunk, and brush roll 8 is left molten
Liquid..
The specific implementation method of the present invention is as follows：
When liquid level is less than initial liquid height, causes 5 air pressure change of plastic tube then to change electricity and change and shake
The frequency of circuit is swung, the microcontroller in computer board judges water level by frequency size.
When water level is less than initial water level 10mm, microcontroller sends out instruction in computer board, and Direct Action Type normally closed solenoid valve 6 is opened
It opens, make-up water enters container 3 by diversion pipe 2 from water storage tank 1, and 3 water level of container rises, and level sensor 4 is still detecting at this time
Water level.
When water level rises to original water level, microcontroller sends out instruction in computer board, and Direct Action Type normally closed solenoid valve 6 powers off
And close, stop moisturizing.
After the completion of adding water conservancy project to make, start crystal salt cleaning works.Microcontroller controls 16 diastole of expansion bend, 12 band of telescopic rod
Electric brush roller 8 enters solution, and external rotor electric machine 11 drives brush roll 8 to rotate.Sliding block 15 slides on guide rail 7 simultaneously, three hairs
8 shuttling movement 3 of brush roll encloses, and to clean the crystal salt of surface of test piece and container 3 side wall and bottom, while the rotation of brush roll 8 can
Crystal salt is set to dissolve.
To sum up, it is resistance to that the concentration of salt solution control device that a kind of simulation concrete structural environment corrodes solves concrete structure
Concentration variation issue caused by solution evaporation, is cleaned by automatic watering, crystal salt and solution concentration is kept to stablize in long property experiment.
It can realize automation control and improve test accuracy.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. the concentration of salt solution control device that a kind of simulation concrete structural environment corrodes, it is characterised in that：Including upper end opening
Container (3), container (3) upper end frame is equipped with metallic support (13), is equipped with guide rail (7) on the metallic support (13),
It is slidably fitted with sliding block (15) on the guide rail (7), external rotor electric machine (11), the outer rotor are installed on the sliding block (15)
(11) rotary shaft is vertically arranged, and the lower end of external rotor electric machine (11) rotary shaft far from external rotor electric machine (11), which is connected with, stretches
Contracting device (16) is installed with telescopic rod (12), the central shaft and outer rotor of the telescopic rod (12) on the expansion bend (16)
For the central shaft of motor (11) rotary shaft on same vertical line, the telescopic rod (12) is removably connected with hairbrush
Roller (8), the central shaft of the brush roll (8) and the central shaft of telescopic rod (12) are on same vertical line, the brush roll (8)
It is close to container (3) inner wall；
The bottom of the container (3) is communicated with plastic tube (5), and the plastic tube (5) is arranged in container (3) outside upright, described
The upper end of plastic tube (5) is equipped with level sensor (4)；
The container (3) is also communicated with water storage tank (1) by diversion pipe (2), and it is normally closed to be equipped with Direct Action Type on the diversion pipe (2)
Solenoid valve (6)；
The external rotor electric machine (11), expansion bend (16), Direct Action Type normally closed solenoid valve (6) and level sensor (4) are all connected with list
Piece machine.
2. the concentration of salt solution control device that a kind of simulation concrete structural environment as described in claim 1 corrodes, feature
It is：The diversion pipe (2) includes tube body, and the both sides port of the tube body is both provided with internal thread, tube body one end setting
Have fixing piece one, be provided with external screw thread on the fixing piece one, the fixing piece one by internal thread and male union body,
It is fixedly connected with sealing element one on the fixing piece one, the tube body other end is provided with fixing piece two, on the fixing piece two
It is also equipped with external screw thread, the fixing piece two is fixedly connected on the fixing piece two by internal thread and male union body
There are sealing element two, the sealing element one to connect container (3), the sealing element two connects water storage tank (1).
3. the concentration of salt solution control device that a kind of simulation concrete structural environment as described in claim 1 corrodes, feature
It is：The brush roll (8) includes metal shaft, brush filament attachment and nylon brush thread, and the brush filament attachment is rotatably arranged
Outside metal shaft, the nylon brush thread is mounted on brush filament attachment, and the bottom end and container (3) bottom end of the brush filament attachment are neat
Flat, the top of the brush filament attachment is higher than the height of initial liquid level.
4. the concentration of salt solution control device that a kind of simulation concrete structural environment as described in claim 1 corrodes, feature
It is：The container (3) is rectangular parallelepiped structure.
5. the concentration of salt solution control device that a kind of simulation concrete structural environment as claimed in claim 4 corrodes, feature
It is：The metallic support (13) is mounted on by card slot (9) on container (3), and the card slot (9) is arranged in container (3) upper end,
The metallic support (13) is inserted into card slot (9).
6. the concentration of salt solution control device that a kind of simulation concrete structural environment as described in claim 1 corrodes, feature
It is：The number of the sliding block (15) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529362.8A CN108426824A (en) | 2018-05-29 | 2018-05-29 | A kind of concentration of salt solution control device that simulation concrete structural environment corrodes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529362.8A CN108426824A (en) | 2018-05-29 | 2018-05-29 | A kind of concentration of salt solution control device that simulation concrete structural environment corrodes |
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| CN108426824A true CN108426824A (en) | 2018-08-21 |
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| CN201810529362.8A Pending CN108426824A (en) | 2018-05-29 | 2018-05-29 | A kind of concentration of salt solution control device that simulation concrete structural environment corrodes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285006A (en) * | 2020-09-02 | 2021-01-29 | 华南理工大学 | Electrochemical testing device for accelerated corrosion of reinforced concrete |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060210459A1 (en) * | 2002-12-27 | 2006-09-21 | Sumitomo Chemical Company, Limited | Method and apparattus for crystallization |
| KR20090040510A (en) * | 2007-10-22 | 2009-04-27 | 한국화학연구원 | Continuous flow-through system for test solution preparation |
| 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 |
| CN103645085A (en) * | 2013-12-26 | 2014-03-19 | 中南大学 | Device and method for settling high-temperature thick complex feed liquid base body on line |
| CN204276405U (en) * | 2014-11-28 | 2015-04-22 | 国家电网公司 | A kind of insulator cleaning robot cleaning mechanism |
| CN104964920A (en) * | 2015-06-05 | 2015-10-07 | 西安建筑科技大学 | Apparatus and method for simulating natural corrosion of reinforced concrete |
| CN105445173A (en) * | 2015-11-17 | 2016-03-30 | 中国石油大学(华东) | Automatic accelerating corrosion test device for simulating ocean atmospheric environment and test method |
| CN205683829U (en) * | 2016-06-21 | 2016-11-16 | 杭州新际能源科技有限公司 | Urea liquid proportioning tank for SNCR flue gas denitrification system |
| CN205719899U (en) * | 2016-05-03 | 2016-11-23 | 国网江西省电力科学研究院 | Metal corrosion test device in the Simulated Soil Solution of a kind of automatic liquid supply |
| CN106442137A (en) * | 2016-11-07 | 2017-02-22 | 西南交通大学 | Intelligent circulating liquid feeding device and intelligent circulating liquid feeding method for lining accelerated corrosion test |
| CN106745615A (en) * | 2017-01-11 | 2017-05-31 | 启迪桑德环境资源股份有限公司 | Cooler crystallizer |
| CN107377544A (en) * | 2017-08-18 | 2017-11-24 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of cleaning equipment for rectangular duct ventilation port internal diameter |
| CN206881189U (en) * | 2017-05-18 | 2018-01-16 | 苏州新区新星钛材设备厂 | A kind of chemical industry vertical crystallizing tank |
| CN107677591A (en) * | 2017-10-17 | 2018-02-09 | 阳江市五金刀剪产业技术研究院 | A kind of intelligent tool corrosion resistance detection device |
| CN107782658A (en) * | 2016-08-26 | 2018-03-09 | 鞍钢股份有限公司 | It is a kind of to simulate experimental rig and the method that ferrous materials corrode under Snow Agent environment |
| CN208795632U (en) * | 2018-05-29 | 2019-04-26 | 河海大学 | A kind of concentration of salt solution control device that simulation concrete structural environment corrodes |
-
2018
- 2018-05-29 CN CN201810529362.8A patent/CN108426824A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060210459A1 (en) * | 2002-12-27 | 2006-09-21 | Sumitomo Chemical Company, Limited | Method and apparattus for crystallization |
| KR20090040510A (en) * | 2007-10-22 | 2009-04-27 | 한국화학연구원 | Continuous flow-through system for test solution preparation |
| 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 |
| CN103645085A (en) * | 2013-12-26 | 2014-03-19 | 中南大学 | Device and method for settling high-temperature thick complex feed liquid base body on line |
| CN204276405U (en) * | 2014-11-28 | 2015-04-22 | 国家电网公司 | A kind of insulator cleaning robot cleaning mechanism |
| CN104964920A (en) * | 2015-06-05 | 2015-10-07 | 西安建筑科技大学 | Apparatus and method for simulating natural corrosion of reinforced concrete |
| CN105445173A (en) * | 2015-11-17 | 2016-03-30 | 中国石油大学(华东) | Automatic accelerating corrosion test device for simulating ocean atmospheric environment and test method |
| CN205719899U (en) * | 2016-05-03 | 2016-11-23 | 国网江西省电力科学研究院 | Metal corrosion test device in the Simulated Soil Solution of a kind of automatic liquid supply |
| CN205683829U (en) * | 2016-06-21 | 2016-11-16 | 杭州新际能源科技有限公司 | Urea liquid proportioning tank for SNCR flue gas denitrification system |
| CN107782658A (en) * | 2016-08-26 | 2018-03-09 | 鞍钢股份有限公司 | It is a kind of to simulate experimental rig and the method that ferrous materials corrode under Snow Agent environment |
| CN106442137A (en) * | 2016-11-07 | 2017-02-22 | 西南交通大学 | Intelligent circulating liquid feeding device and intelligent circulating liquid feeding method for lining accelerated corrosion test |
| CN106745615A (en) * | 2017-01-11 | 2017-05-31 | 启迪桑德环境资源股份有限公司 | Cooler crystallizer |
| CN206881189U (en) * | 2017-05-18 | 2018-01-16 | 苏州新区新星钛材设备厂 | A kind of chemical industry vertical crystallizing tank |
| CN107377544A (en) * | 2017-08-18 | 2017-11-24 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of cleaning equipment for rectangular duct ventilation port internal diameter |
| CN107677591A (en) * | 2017-10-17 | 2018-02-09 | 阳江市五金刀剪产业技术研究院 | A kind of intelligent tool corrosion resistance detection device |
| CN208795632U (en) * | 2018-05-29 | 2019-04-26 | 河海大学 | A kind of concentration of salt solution control device that simulation concrete structural environment corrodes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285006A (en) * | 2020-09-02 | 2021-01-29 | 华南理工大学 | Electrochemical testing device for accelerated corrosion of reinforced concrete |
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