CN208537371U - The corrosive liquid temperature control equipment of liner structure accelerated corrosion test - Google Patents
The corrosive liquid temperature control equipment of liner structure accelerated corrosion test Download PDFInfo
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- CN208537371U CN208537371U CN201821286790.4U CN201821286790U CN208537371U CN 208537371 U CN208537371 U CN 208537371U CN 201821286790 U CN201821286790 U CN 201821286790U CN 208537371 U CN208537371 U CN 208537371U
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Abstract
The utility model discloses a kind of corrosive liquid temperature control equipments of liner structure accelerated corrosion test, including experimental tank, electric-controlled switch isolation board, temperature controlled water tank, electric mixer, electric heater, electric refrigerator, controller, automatic selector switch, the first temperature sensor, second temperature sensor, corrosive liquid recycling bins, fluid filling pump and the recovery pump being set on the outside of liner structure, constant-temperature automatic control system is collectively formed.The utility model ensures that the corrosive liquid in experimental tank keeps constant and can according to need accurate adjusting by constant-temperature automatic control system, the requirement for carrying out the indoor liner structure accelerated corrosion test of engineering structure under loaded conditions can be met, there is greatly value to the further investigation of the erosion deterioration rule and long-term safety of liner structure in research erosion environment.
Description
Technical field
The utility model relates to a kind of liner structure accelerated corrosion experimental rigs more particularly to a kind of liner structure to accelerate corruption
The corrosive liquid temperature control equipment of corrosion test.
Background technique
In the research of civil engineering structure durability, generallys use indoor accelerated corrosion test and come research material, component
So that the erosion of structural behaviour deteriorates rule.In the test of such indoor accelerated corrosion, villaumite, sulfate, soda acid are mainly used
The corrosive ions such as solution carry out the around ion erosion ring in model engineering material or the practical Service Environment of tunnel lining structure
The long term in border, to study the intensity of tunnel-liner test specimen or component after corrosion, rigidity, destroy mechanics and the works such as situation
Journey characteristic provides reference and foundation for the design, construction and long-term safety evaluatio of tunnel lining structure in erosion environment.
In existing indoor accelerated corrosion test, ion migration rate is generally improved using the method for external dc power supply,
To achieve the purpose that accelerating structure corrodes.However in the actual environment, many because being known as of ion migration rate are influenced, such as
Solution concentration, water pressure, temperature etc., especially temperature have larger impact to migration, the corrosion reaction etc. of ion, in order to more
Influence of each factor to ion erosion rate is accurately studied, strict control other factors is needed to keep constant.However, due to interior
The accelerated test period is generally longer, and season, day and night temperature are larger, and the temperature change of different periods etchant solution is larger in test,
Temperature is caused to be affected accelerated corrosion test.In current indoor liner structure accelerated corrosion test, it yet there are no and be used for
Etchant solution temperature is controlled in accelerated corrosion test and it is made to keep constant constant loop temperature-control equipment and temperature control
Method.
To sum up, if you need to erosion environment locating for real simulation tunnel, the temperature of attack solution need to be precisely controlled, because
This, a kind of test that can guarantee the etchant solution temperature-controllable recycled when liner structure accelerated corrosion is tested of utility model
Device seems particularly necessary.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of liner structure accelerated corrosion test
Corrosive liquid temperature control equipment.
The utility model achieves the above object through the following technical schemes:
A kind of corrosive liquid temperature control equipment of liner structure accelerated corrosion test, including the examination being set on the outside of liner structure
Sink is tested, further includes electric-controlled switch isolation board, temperature controlled water tank, electric mixer, electric heater, electric refrigerator, controller, automatic
Select switch, the first temperature sensor, second temperature sensor, corrosive liquid recycling bins, fluid filling pump and recovery pump, the temperature control water
Case is set to the top of the experimental tank, and the lower end of the upper end of the experimental tank and the temperature controlled water tank is open, level side
To the electric-controlled switch isolation board be set between the temperature controlled water tank and the experimental tank, the stirring of the electric mixer
Impeller, the heating member of the electric heater, the cooling piece of the electric refrigerator and first temperature sensor are respectively placed in institute
State in temperature controlled water tank, two branch connection ends of the automatic selector switch respectively with the input terminal of the electric heater and described
The input terminal of electric refrigerator connects, and the second temperature sensor is placed in the experimental tank, the outlet of the fluid filling pump with
The temperature controlled water tank is connected by liquid pipe, and the entrance of the fluid filling pump is connect with the outlet of the corrosive liquid recycling bins, and described time
The entrance for receiving pump is connect with the outlet of the experimental tank, and the outlet of the recovery pump connects with the entrance of the corrosive liquid recycling bins
It connects；The signal output end of first temperature sensor and the signal output end of the second temperature sensor respectively with the control
The signal input part of device processed connects, the output end of the controller respectively with the center links end of the automatic selector switch, institute
State the control input of the control signal of electric-controlled switch isolation board, the control signal of the electric mixer, the fluid filling pump
The control signal of end and the recovery pump is correspondingly connected with.
In above structure, experimental tank is for storing constant temperature corrosive liquid and carrying out accelerated corrosion work to the outside of liner structure
With；Temperature controlled water tank is used to store the corrosive liquid of non-set temperature and cooperates the thermostatic control of other components realization corrosive liquids；It is automatically controlled
Switch isolation plate for realizing automatic switch under control of the controller, to realize corrosive liquid in temperature controlled water tank to experimental tank
Between automatic switch control, structure can be realized easily using routine techniques, for example uses two layers of orifice plate, by controller control
The structure that motor processed drives one layer of orifice plate mobile achieves that the function；Electric mixer is used for the corrosive liquid in temperature controlled water tank
It is stirred the Quick uniform to realize temperature, the structure of stirring blade is driven using conventional motor；Electric heater and
Electric refrigerator is respectively used to heat the corrosive liquid in temperature controlled water tank, using conventional components；Controller for realizing
Automation control, using conventional controller；Automatic selector switch under the control of the controller realize electric heater and
Conversion and control between electric refrigerator, using the conventional single-pole double-throw switch (SPDT) that can be realized automatic conversion；First temperature
Sensor is used to detect the temperature of temperature controlled water tank internal corrosion liquid and the temperature information is transferred to controller；Second temperature sensor
For detecting the temperature of experimental tank internal corrosion liquid and the temperature information being transferred to controller；Corrosive liquid recycling bins are for storing
Corrosive liquid is to provide the corrosive liquid for needing to be discharged in corrosive liquid and recovery test sink for temperature controlled water tank；Fluid filling pump will be for that will corrode
Corrosive liquid in liquid recycling bins is pumped into temperature controlled water tank；Recovery pump is used to for the corrosive liquid in experimental tank to be pumped into corrosive liquid recycling
Case.
Preferably, the recovery pump is the recovery pump that entrance side is equipped with filtrating chip；Alternatively, the entrance of the recovery pump
Side is equipped with filter；The fluid filling pump is the micropump on the corrosive liquid recycling bins.It in this way can will be in experimental tank
Anvil cinder etc. in corrosive liquid filters out, and avoids being again introduced into experimental tank.
The utility model has the beneficial effects that:
The utility model by by temperature controlled water tank, electric mixer, electric heater, electric refrigerator, controller, automatically select
The constant temperature that switch, the first temperature sensor, second temperature sensor, corrosive liquid recycling bins, fluid filling pump and recovery pump are constituted is automatic
Control system ensures that the corrosive liquid in experimental tank keeps constant and can according to need accurate adjusting, can meet in loading environment
The requirement of the lower indoor liner structure accelerated corrosion test for carrying out engineering structure, the erosion to liner structure in research erosion environment
The further investigation of deterioration rule and long-term safety has greatly value.
Detailed description of the invention
Fig. 1 is the front view structure of the corrosive liquid temperature control equipment of liner structure accelerated corrosion test described in the utility model
Schematic diagram；
Fig. 2 is the experimental tank of the corrosive liquid temperature control equipment of liner structure accelerated corrosion test described in the utility model
Fixation device schematic view of the front view, ratio is greater than Fig. 1 in figure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the corrosive liquid temperature control equipment of liner structure accelerated corrosion test described in the utility model includes
Experimental tank 9, electric-controlled switch isolation board 2, temperature controlled water tank 3, electric mixer 4, electric heater set on 14 outside of liner structure
7, electric refrigerator 8, controller 1, automatic selector switch 6, the first temperature sensor 5, second temperature sensor 10, corrosive liquid recycling
Case 12, fluid filling pump 13 and recovery pump 11, temperature controlled water tank 3 are set to the top of experimental tank 9, the upper end of experimental tank 9 and temperature control water
The lower end of case 3 is open, and the electric-controlled switch isolation board 2 of horizontal direction is set between the temperature controlled water tank and the experimental tank,
The edge of electric-controlled switch isolation board 2 is tightly connected with the edge of experimental tank 9 and temperature controlled water tank 3, and electric mixer 4 stirs
It mixes impeller, the heating member of electric heater 7, the cooling piece of electric refrigerator 8 and the first temperature sensor 5 and is respectively placed in temperature controlled water tank 3
Interior, input terminal of the two branch connection ends of automatic selector switch 6 respectively with the input terminal of electric heater 7 and electric refrigerator 8 connects
It connects, second temperature sensor 10 is placed in experimental tank 9, and fluid filling pump 13 is the micropump on corrosive liquid recycling bins 12, is added
The outlet of liquid pump 13 is connect with temperature controlled water tank 3 by liquid pipe, and the outlet of the entrance and corrosive liquid recycling bins 12 of fluid filling pump 13 connects
It connects, the entrance that entrance side is equipped with the recovery pump 11 of filtrating chip is connect with the outlet of experimental tank 9, the outlet and corruption of recovery pump 11
Lose the entrance connection of liquid recycling bins 12；The signal output end of first temperature sensor 5 and the signal of second temperature sensor 10 are defeated
Outlet is connect with the signal input part of controller 1 respectively, and center of the output end of controller 1 respectively with automatic selector switch 6 connects
The control input of line end, the control signal of electric-controlled switch isolation board 2, the control signal of electric mixer 4, fluid filling pump 13
The control signal of end and recovery pump 11 is correspondingly connected with.
As shown in Fig. 2, liner structure 14 is passed through with more vertical screw rods 16 in order to preferably install experimental tank 9, and
The both ends of screw rod 16 are each passed through the through-hole 15 on the outside of liner structure 14 and the crossbeam 18 of inside and are consolidated with nut 19
Fixed, the upper end of screw rod 16 also extends through the bottom plate of experimental tank 9, and the crossbeam 18 in 14 outside of liner structure is lower and experimental tank 9
Rubber ring 17 is set between bottom plate, it is ensured that experimental tank 9 is not in leak feelings when liner structure 14 generates certain deformation
Condition.Above-mentioned fixed device be not only able to achieve liner structure be single side corrode, but also do not interfere 14 both ends load of liner structure application and
The arrangement of surrounding test equipment, can the application in the moment of flexure and axle power for not influencing liner structure 14 and testing element cloth well
The unilateral corrosion test of liner structure 14 is realized in the case where setting.
In order to which the technical effect of the utility model is more clearly understood, below by taking preferred temprature control method as an example into
One step explanation, but following methods are not unique methods, nor the protected object of the utility model.
As shown in Figure 1, the corrosive liquid temperature control equipment of liner structure accelerated corrosion test described in the utility model uses
Preferable temperature control method, comprising the following steps:
Step 1: the target temperature T of corrosive liquid is arranged in controller 1*；
It is in close state Step 2: controller 1 controls electric-controlled switch isolation board 2, while controlling the starting of fluid filling pump 13,
Corrosive liquid in corrosive liquid recycling bins 12 is pumped into temperature controlled water tank 3, and controls the unlatching of electric mixer 4 simultaneously；
Step 3: the first temperature sensor 5 is by the corrosive liquid temperature T in temperature controlled water tank 31Relevant information be transferred to control
Device 1, controller 1 make the following judgment: working as T1-T*> 0 andWhen, controller 1 starts electric refrigerator 8, until T1
=T*Stop；Work as T1-T*< 0 andWhen, controller 1 starts electric heater 7, until T1=T*Stop；
Step 4: working as T1=T*Afterwards, the control of controller 1 electric-controlled switch isolation board 2 is in the open state, makes in temperature controlled water tank 3
Corrosive liquid uniformly flow into experimental tank 9, reach setting height after, controller 1 control electric-controlled switch isolation board 2 close；
Step 5: second temperature sensor 10 is by the corrosive liquid temperature T in experimental tank 92Relevant information be transferred to control
Device 1 processed, controller 1 make the following judgment: whenWhen, controller 1 controls electric-controlled switch isolation board 2 and is in unlatching
State, while the unlatching of recovery pump 11 is controlled, so that the corrosive liquid in experimental tank 9 is recycled to corrosive liquid recycling bins 12 so that test
The volume of 9 internal corrosion liquid of sink remains unchanged, untilWhen, controller 1 controls electric-controlled switch isolation board 2 and closes
It closes, while controlling the closing of recovery pump 11；
Start Step 6: controller 1 controls fluid filling pump 13, the corrosive liquid in corrosive liquid recycling bins 12 is pumped into temperature controlled water tank
3, step 2 is repeated to step 5.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments
In the rights protection scope of the utility model patent.
Claims (2)
1. a kind of corrosive liquid temperature control equipment of liner structure accelerated corrosion test, including the test being set on the outside of liner structure
Sink, it is characterised in that: further include electric-controlled switch isolation board, temperature controlled water tank, electric mixer, electric heater, electric refrigerator, control
Device, automatic selector switch, the first temperature sensor, second temperature sensor, corrosive liquid recycling bins, fluid filling pump and recovery pump processed,
The temperature controlled water tank is set to the top of the experimental tank, and the lower end of the upper end of the experimental tank and the temperature controlled water tank is opened
Mouthful, the electric-controlled switch isolation board of horizontal direction is set between the temperature controlled water tank and the experimental tank, the electric mixing
Mix the cooling piece and first temperature sensor of the agitator arm of device, the heating member of the electric heater, the electric refrigerator
It is respectively placed in the temperature controlled water tank, two branch connection ends of the automatic selector switch are defeated with the electric heater respectively
Enter end to connect with the input terminal of the electric refrigerator, the second temperature sensor is placed in the experimental tank, the liquid feeding
The outlet of pump is connect with the temperature controlled water tank by liquid pipe, and the outlet of the entrance of the fluid filling pump and the corrosive liquid recycling bins connects
It connects, the entrance of the recovery pump is connect with the outlet of the experimental tank, and the outlet of the recovery pump and the corrosive liquid recycle
The entrance of case connects；The signal output end of first temperature sensor and the signal output end point of the second temperature sensor
It is not connect with the signal input part of the controller, the output end of the controller center with the automatic selector switch respectively
Terminals, the control signal of the electric-controlled switch isolation board, the control signal of the electric mixer, the fluid filling pump
The control signal of control signal and the recovery pump is correspondingly connected with.
2. the corrosive liquid temperature control equipment of liner structure accelerated corrosion test according to claim 1, it is characterised in that:
The recovery pump is the recovery pump that entrance side is equipped with filtrating chip；Alternatively, the entrance side of the recovery pump is equipped with filter；It is described
Fluid filling pump is the micropump on the corrosive liquid recycling bins.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286790.4U CN208537371U (en) | 2018-08-10 | 2018-08-10 | The corrosive liquid temperature control equipment of liner structure accelerated corrosion test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286790.4U CN208537371U (en) | 2018-08-10 | 2018-08-10 | The corrosive liquid temperature control equipment of liner structure accelerated corrosion test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100297A (en) * | 2018-08-10 | 2018-12-28 | 西南交通大学 | The corrosive liquid temperature control equipment and control method of liner structure accelerated corrosion test |
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2018
- 2018-08-10 CN CN201821286790.4U patent/CN208537371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100297A (en) * | 2018-08-10 | 2018-12-28 | 西南交通大学 | The corrosive liquid temperature control equipment and control method of liner structure accelerated corrosion test |
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