CN110470592A - It is a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition - Google Patents
It is a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition Download PDFInfo
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Abstract
The invention discloses a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, including upper layer water tank and lower layer's water tank；Along the N number of first partition of first direction parallel arrangement inside the water tank of upper layer, upper layer water tank is divided into N+1 first unit structure；Each first unit structure is divided by reaction zone and transition region by second partition in a second direction inside the water tank of upper layer；Along the N number of third partition of first direction parallel arrangement inside lower layer's water tank, lower layer's water tank is divided into N+1 second unit structure；Reaction zone is internally provided with the groove for placing concrete test specimen to be measured；Transition region is connected to the water inlet of reaction zone, and reaction zone water outlet is connected to the second unit structure of lower layer's water tank corresponding position；Each second unit structure water outlet is connected with the water inlet of the transition region of the first unit structure of corresponding position, and each second unit structure water outlet is provided with water circulating pump.
Description
Technical field
The present invention relates to microbiologic(al) corrosion concrete experiments devices, and in particular to one kind is for simulating water conservancy project under different condition
The microbiologic(al) corrosion device of concrete.
Background technique
Hydraulic engineering is the important infrastructure of modern social development, and water conservancy project structure is more as its important component
For concrete or reinforced concrete structure, during long service by current scour, tide corrodes and microbiologic(al) corrosion
Equal multiple actions, the structural intergrity of destructible concrete for hydraulic structure influence the safe operation of hydraulic engineering.Countries in the world at present
There is the problems such as structure structure aging and reduced service life in hydraulic engineering.
Concrete for hydraulic structure is chronically at wet environment, the nutriment in the easy adsorbed water body in surface, thus raw for microorganism
It is long that advantage is provided.The then microorganism mass propagation under control environment is generated organic by a series of metabolic processes
Sour and other metabolites, cause to corrode to concrete for hydraulic structure.
Currently, numerous scholars have been done a large amount of research work by physical or chemical factors corrosion to concrete for hydraulic structure, substantially
It has found out the affecting laws of each factor, and has concentrated urban sewage for the research of concrete durability caused by related microorganism is general
In waste pipe network system, the microbiologic(al) corrosion research for concrete for hydraulic structure is still urgently to be resolved.
The water conservancy projects of different regions will receive the influence of local water quality of river at itself during one's term of military service, such as eutrophication river
Stream, drinking water source area etc., and the change of condition of water quality will affect concrete surface biological community structure to a certain extent
And composition, and then there is also potential differences to the extent of corrosion of concrete for hydraulic structure.Therefore, in view of concrete for hydraulic structure under actual environment
For surface microflora by the chronicity of different quality, the complexity that hydraulics influence and field test research, having must
Study a kind of indoor experimental apparatus for simulating concrete for hydraulic structure microbiologic(al) corrosion under different quality, hydraulics.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides one kind and is lauched for simulating different condition
The microbiologic(al) corrosion device of work concrete, it is micro- to concrete for hydraulic structure for realizing simulation different quality condition or different water project situations
The influence of biological corrosion is studied.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
It is a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, including upper layer water tank and lower layer's water storage
Case；
The upper layer water tank is located above lower layer's water tank；
It is arranged in parallel N number of first partition inside the upper layer water tank along first direction, upper layer water tank is divided into N+1 the
One cellular construction；Each first unit structure is divided by reaction zone by second partition in a second direction inside the water tank of upper layer
And transition region；
It is arranged in parallel N number of third partition inside lower layer's water tank along first direction, lower layer's water tank is divided into N+1 the
Two cellular constructions；N is positive integer；
In the first unit structure, reaction zone is internally provided at least one for placing the groove of concrete test specimen to be measured；
The free end of the transition region is provided with water inlet, and transition region is connected to reaction zone by the second connecting tube close to reaction zone one end
Water inlet, the free end of reaction zone is provided with water outlet, and is connected to lower layer's water tank corresponding position by the first connecting tube
Second unit structure；Each second unit structure and transition region is ipsilateral is provided with water outlet in lower layer's water tank, and
It is connected by outlet pipe, water inlet pipe with the water inlet of the transition region of the first unit structure of corresponding position, each second unit
Structure water outlet is provided with water circulating pump.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states first direction and second direction is mutually perpendicular to, and all vertical arrangement.
In some embodiments, transition region bottom offers drainage hole in the first unit structure, and passes through drainpipe
It is connected with the second unit structure of corresponding position.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states and is provided with water discharging valve and drain flow-meter on drainpipe.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states and is provided with valve and flowmeter in the second connecting tube.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states and is provided with inlet valve and feed water flow meter on water inlet pipe.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
Stating the first connecting tube, water inlet pipe and outlet pipe is hose.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states and is provided with transparent sealing lid or top opening at the top of the water tank of upper layer.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
It states and is equipped with dismountable sealing cover at the top of lower layer's water tank.
In some embodiments, the microbiologic(al) corrosion device for being used to simulate concrete for hydraulic structure under different condition, institute
State in lower layer's water tank, each second unit inside configuration is provided with agitating device, the agitating device include motor and with
The paddle that motor output end is connected.
The utility model has the advantages that provided by the present invention for the microbiologic(al) corrosion device of concrete for hydraulic structure under simulation different condition, it will
Among concrete test specimen insertion groove to be measured and contact surface is protruded, and is consistently higher than liquid level in experimentation, by different anti-
It answers area that different experiments water body is set, realizes the influence research under the conditions of simulating different quality to concrete for hydraulic structure microbiologic(al) corrosion；
By adjusting the valve opening degree of connecting tube at reaction zone water inlet, realizes and simulate concrete for hydraulic structure microorganism under different hydraulics
The influence of corrosion is studied；Upper layer water tank is not provided with sealing cover, realizes opening locating for concrete for hydraulic structure under simulating actual conditions
Water body environment；Sealing cover is arranged in lower layer's water tank, convenient for isolation external environment and periodic replacement experiment water body；Upper layer water tank bottom
Discharge outlet and drainpipe is arranged in wall, to guarantee to drain by valve regulated when water pump carrying capacity is more than reaction zone displacement
The displacement of pipe keeps the constant of upper layer water tank liquid level；Lower layer's water tank is several lined according to requiring to be separated into, convenient for observation
With the experiment water body of separation different quality, waterpower；The each lined interior setting water circulating pump of lower layer's water tank and agitating device are realized
The circulation and souring of water flow in experimentation, easy to operate, structure is simple.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of one embodiment of the invention device；
Fig. 2 is the left view cross-sectional view of one embodiment of the invention device；
Fig. 3 is the top view of one embodiment of the invention upper layer water tank；
Fig. 4 is the structural schematic diagram of the reaction zone of one embodiment of the invention upper layer water tank
In figure: upper layer water tank 1, lower layer's water tank 2, the first connecting tube 3, reaction zone 4, transition region 5, groove 6, outlet pipe 7, into
Water pipe 8, the second connecting tube 9, drainpipe 10, valve 11, flowmeter 12, inlet valve 13, feed water flow meter 14, water discharging valve
15, drain flow-meter 16, concrete test specimen 17 to be measured, water circulating pump 18, motor 19, paddle 20, second unit structure 21.
Specific embodiment
The present invention will be further explained combined with specific embodiments below.It is to be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
In the present embodiment, the present invention is for studying concrete for hydraulic structure microbiologic(al) corrosion under different quality or different hydraulics
Influence research.
As shown in Figure 1 and Figure 2, a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition including upper
Layer water tank 1 and lower layer's water tank 2；The upper layer water tank 1 is located at 2 top of lower layer's water tank；Upper layer water tank 1 and lower layer's storage
There are differences in height between water tank 2.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, inside the upper layer water tank 1 along first direction be arranged in parallel 3 first every
Upper layer water tank 1 is divided into 4 first unit structures by plate；It in a second direction will by second partition inside upper layer water tank 1
Each first unit structure is divided into reaction zone 4 and transition region 5；
In the first unit structure, 4 inside bottom side of reaction zone is provided with several and places the recessed of concrete test specimen 17 to be measured
Slot 6；The free end of the transition region 5 is provided with water inlet, and transition region 5 is connected to close to 4 one end of reaction zone by the second connecting tube 9
To the water inlet of reaction zone 4, the free end of reaction zone 4 is provided with water outlet, and is connected to lower layer's water storage by the first connecting tube 3
The second unit structure 21 of 2 corresponding position of case；
It can be configured, and be placed in differential responses area 4 according to specific requirement according to the experiment water body of different quality；The present embodiment
Middle N is 3, and the reaction zone 4 is provided with 4, and each reaction zone 4 can be set to different quality in an experiment.
As shown in Figure 1 and Figure 2, the inside of lower layer's water tank 2 is separated into several second units according to 4 quantity of upper layer reaction zone
Structure 21 is arranged in parallel 3 third partitions inside lower layer's water tank 2 along first direction, lower layer's water tank 2 is divided into 4
A second unit structure 21；In lower layer's water tank 2 each second unit structure with transition region 5 is ipsilateral is provided with water outlet
Mouthful, and be connected by outlet pipe 7, water inlet pipe 8 with the water inlet of the transition region 5 of the first unit structure of corresponding position, each
Second unit structure water outlet is provided with water circulating pump 18.The mistake of outlet pipe 7 Yu upper layer water tank 1 is provided on side wall
The water inlet pipe 8 for crossing 5 side wall of area connects.
In some embodiments, the first direction and second direction are mutually perpendicular to, and all vertical arrangement.
In experimentation, different quality, waterpower water body flowed by the water circulating pump 18 of lower layer's water tank 2 by outlet pipe 7
The transition region 5 for entering upper layer water tank 1 through water inlet pipe 8, the reaction zone 4 of upper layer water tank 1 is flowed to along the second connecting tube 9, with
It is flowed in lower layer's water tank 2 along the first connecting tube 3 afterwards, forms circulation.
In some embodiments, sealing cover, or setting transparent sealing lid are not provided at the top of upper layer water tank 1, convenient for experiment
Concrete for hydraulic structure surface biological film growing state is observed in the process；Dismountable sealing cover is set at the top of lower layer's water tank 2, is tested
Sealing cover is periodically opened in the process and replaces experiment water body, and convenient for keeping nutrition content in experiment water body, preferable simulation is certainly
The formation of water conservancy project concrete surface biomembrane under right environment.
In some embodiments, as shown in Fig. 2, 5 bottom of transition region offers drainage hole in the first unit structure, and
It is connected by drainpipe 10 with the second unit structure of corresponding position, water discharging valve 15 and blowdown stream is provided at drainpipe 10
Meter 16, experimentation is when 18 carrying capacity of water circulating pump is greater than reaction zone displacement, convenient for adjusting row by water discharging valve 15
The displacement of water pipe keeps the constant of upper layer water tank liquid level；Lower layer's water tank 2 is according to requiring to be separated into several second unit knots
Structure 21, convenient for observing and separating the experiment water body of different quality, waterpower；Water circulating pump 18, realization pair are set in lower layer's water tank 2
The circulation and souring of water flow in experimentation；The root during the experiment of water circulating pump 18 is set inside second unit structure 21
It requires to be adjusted according to different condition, is in convenient for liquid level in control upper layer water tank and is in suitable position always.
In some embodiments, as shown in Fig. 2, in lower layer's water tank 2, each second unit inside configuration is provided with
Agitating device, the agitating device include motor 19 and the paddle 20 that is connected with 19 output end of motor.Experimentation
In by adjust agitating device keep lower layer's water tank in water body circulation, be easy to implement experiment water body in nutriment it is uniform mix
It closes.
In some embodiments, as shown in Fig. 2, being provided with inlet valve 13 on water inlet pipe 8 on 1 side wall of upper layer water tank
With feed water flow meter 14；Valve 11 and flowmeter 12 are provided in the second connecting tube 9 at 4 water inlet of reaction zone；First connecting tube 3,
Second connecting tube 9, water inlet pipe 8 and outlet pipe 7 are hose.
The principle of the invention is simple, easy to operate, is embedded among groove and protrudes contact surface for concrete test specimen to be measured, and real
It is consistently higher than liquid level during testing, by the way that different experiments water body is arranged to differential responses area, realizes simulation different quality, waterpower item
Influence research under part to concrete for hydraulic structure microbiologic(al) corrosion.Different flow of inlet water are controlled by valve and flowmeter, realize mould
Intend the influence research under different hydraulics (flow velocity) to concrete for hydraulic structure test specimen microbiologic(al) corrosion to be measured.
The above is only a preferred embodiment of the present invention, it should be pointed out 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 (10)
1. a kind of for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, which is characterized in that stored up including upper layer
Water tank (1) and lower layer's water tank (2)；
The upper layer water tank (1) is located above lower layer's water tank (2)；
The upper layer water tank (1) is internal along the N number of first partition of first direction parallel arrangement, and upper layer water tank (1) is divided into N
+ 1 first unit structure；Upper layer water tank (1) is internal in a second direction to be divided each first unit structure by second partition
It is divided into reaction zone (4) and transition region (5)；
Lower layer's water tank (2) is internal along the N number of third partition of first direction parallel arrangement, and lower layer's water tank (2) is divided into N
+ 1 second unit structure；N is positive integer；
In the first unit structure, reaction zone (4) is internally provided at least one for placing concrete test specimen to be measured (17)
Groove (6)；The free end of the transition region (5) is provided with water inlet, and transition region (5) passes through the close to reaction zone (4) one end
Two connecting tubes (9) are connected to the water inlet of reaction zone (4), and the free end of reaction zone (4) is provided with water outlet, and connects by first
Adapter tube (3) is connected to the second unit structure (21) of lower layer's water tank (2) corresponding position；It is each in lower layer's water tank (2)
Second unit structure and transition region (5) are ipsilateral is provided with water outlet, and pass through outlet pipe (7), water inlet pipe (8) and corresponding position
The water inlet of transition region (5) of first unit structure be connected, each second unit structure water outlet is provided with circulation
Water pump (18).
2. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, the first direction and second direction are mutually perpendicular to, and all vertical arrangement.
3. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, transition region (5) bottom offers drainage hole in the first unit structure, and passes through drainpipe (10) and corresponding position
Second unit structure is connected.
4. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, is provided with water discharging valve (15) and drain flow-meter (16) on the drainpipe (10).
5. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, is provided with valve (11) and flowmeter (12) on second connecting tube (9).
6. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, is provided with inlet valve (13) and feed water flow meter (14) on the water inlet pipe (8).
7. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, first connecting tube (3), water inlet pipe (8) and outlet pipe (7) are hose.
8. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, is provided with transparent sealing lid or top opening at the top of the upper layer water tank (1).
9. according to claim 1 for simulating the microbiologic(al) corrosion device of concrete for hydraulic structure under different condition, feature
It is, is equipped with dismountable sealing cover at the top of lower layer's water tank (2).
10. -9 described in any item microbiologic(al) corrosion dresses for simulating concrete for hydraulic structure under different condition according to claim 1
It sets, which is characterized in that in lower layer's water tank (2), each second unit inside configuration is provided with agitating device, the stirring
Device includes motor (19) and the paddle (20) that is connected with motor (19) output end.
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Cited By (3)
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| CN112322461A (en) * | 2020-10-29 | 2021-02-05 | 河北地质大学 | Experimental device for indoor simulation microorganism carbonate rock |
| CN112760266A (en) * | 2021-02-09 | 2021-05-07 | 黑龙江大学 | Bacillus preparation for hydraulic concrete and preparation method and application thereof |
| CN115201098A (en) * | 2022-07-20 | 2022-10-18 | 刘泓江 | Bridge corrosion simulation test device for acid sedimentation |
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| CN206627419U (en) * | 2017-04-17 | 2017-11-10 | 中国矿业大学 | A kind of concrete erosion experiment monitoring experimental bench |
| CN107741395A (en) * | 2017-12-01 | 2018-02-27 | 石家庄铁道大学 | Simulate the experimental provision and method of non-flowing full sewage conduct concrete erosion |
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| CN206627419U (en) * | 2017-04-17 | 2017-11-10 | 中国矿业大学 | A kind of concrete erosion experiment monitoring experimental bench |
| CN107044952A (en) * | 2017-04-25 | 2017-08-15 | 石家庄铁道大学 | A kind of corrosion device for simulating sewage pipe inner concrete under different hydraulics |
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| CN112322461A (en) * | 2020-10-29 | 2021-02-05 | 河北地质大学 | Experimental device for indoor simulation microorganism carbonate rock |
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| CN112760266A (en) * | 2021-02-09 | 2021-05-07 | 黑龙江大学 | Bacillus preparation for hydraulic concrete and preparation method and application thereof |
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| CN115201098A (en) * | 2022-07-20 | 2022-10-18 | 刘泓江 | Bridge corrosion simulation test device for acid sedimentation |
| CN115201098B (en) * | 2022-07-20 | 2023-04-18 | 刘泓江 | Bridge corrosion simulation test device for acid sedimentation |
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Application publication date: 20191119 |