CN203981551U - A kind of water replanishing device that permeates the use of dissolved corrosion test device - Google Patents
A kind of water replanishing device that permeates the use of dissolved corrosion test device Download PDFInfo
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- CN203981551U CN203981551U CN201420432984.6U CN201420432984U CN203981551U CN 203981551 U CN203981551 U CN 203981551U CN 201420432984 U CN201420432984 U CN 201420432984U CN 203981551 U CN203981551 U CN 203981551U
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- pressure
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Abstract
The utility model discloses a kind of water replanishing device that dissolved corrosion test device is used that permeates, comprise pressure water tank, replenisher tank and static pressure switch board, replenisher tank is connected with pressure water tank, and pressure water tank is connected with infiltration dissolved corrosion test device; Described pressure water tank, replenisher tank and infiltration dissolved corrosion test device are all connected with static pressure switch board.Static pressure switch board device, comprises a pneumatic supply, three pressure regulator valves and three precision pressure gauges, and described three pressure regulator valves and three precision pressure gauges are arranged on respectively on the panel of switch board; The confined pressure that described pneumatic supply is respectively replenisher tank, seepage water pressure tank and infiltration dissolved corrosion test device by three pressure regulator valves provides pressure; And on the loop that pneumatic supply is connected with three pressure regulator valves, be equipped with a precision pressure gauge.
Description
Technical field
The utility model relates to a kind of infiltration dissolved corrosion test device, the water replanishing device that especially a kind of flexible barrier material building body infiltration dissolved corrosion test device is used.
Background technology
Flexible barrier material is widely used in diaphragm wall that hydraulic engineering dam foundation, dike seepage control reinforce, and they are in underground, and in most cases in fresh water environment, works, and is subject to for a long time the corrosion of underground water.Corrosion, also claim leaching corrosion, refer to when flexible barrier material building body is subject to the seepage effect of press water in environment, calcium hydroxide in building body is diffused into gradually in the Environmental Water that concentration is very low and goes, like this, solid phase hydrated minerals in silicate is just separated out lime automatically to supplement the calcium hydroxide content in liquid phase, so as to recovering concentration balance.If these lime water are pulled away again under seepage effect, solid matter continues to dissolve again, lime concentration in solution keeps while reducing, the calcium in hydrated calcium silicate, drated calcium aluminate, aquation calcium aluminoferrite is also incited somebody to action loss by dissolution in succession, finally causes antiseepage building body structure that the process of destroying occurs.Corrosion problem is directly connected to trouble free service and the serviceable life of antiseepage building body, not yet has the flexible barrier material infiltration dissolved corrosion test product of sizing at present.
Chinese patent application 201110191480.0 discloses a kind of plastic concrete permeability tester and test method thereof, this device is to destroy required chronic because infiltration dissolved corrosion test will reach sample corrosion, the amount of seepage of test is very large, and dissolved corrosion test is a uninterrupted test, in process of the test, need to continue moisturizing to maintain normal test, the pressure water tank system of this infiltration experiment device, without this function, can not meet the requirement of infiltration dissolved corrosion test.
Utility model content
The shortcoming existing in order to solve prior art, the utility model discloses a kind of water replanishing device that dissolved corrosion test device is used that permeates.
The technical solution adopted in the utility model is as follows:
Permeate the water replanishing device that dissolved corrosion test device is used, comprise pressure water tank, replenisher tank and static pressure switch board, described replenisher tank is connected with pressure water tank, and described pressure water tank is connected with infiltration dissolved corrosion test device; Described pressure water tank, replenisher tank and infiltration dissolved corrosion test device are all connected with static pressure switch board.
Described static pressure switch board device, comprises a pneumatic supply, three pressure regulator valves and three precision pressure gauges, and described three pressure regulator valves and three precision pressure gauges are arranged on respectively on the panel of switch board; The confined pressure that described pneumatic supply is respectively replenisher tank, seepage water pressure tank and infiltration dissolved corrosion test device by three pressure regulator valves provides pressure; And on the loop that pneumatic supply is connected with three pressure regulator valves, be equipped with a precision pressure gauge.
Three described pressure regulator valves are respectively replenisher tank pressure regulator valve, seepage pressure valve, confined pressure pressure regulator valve.
Described replenisher tank is connected with water source, seepage pressure water pot respectively, by replenisher tank pressure regulator valve, the water in replenisher tank is exerted pressure, and makes this pressure be greater than the pressure in seepage pressure water pot, forms moisturizing.
Described pneumatic supply is exerted pressure to seepage pressure water pot by seepage pressure valve, and air pressure is connected with seepage pressure interface after being converted to hydraulic pressure, realizes the seepage water pressure of dissolved corrosion test.
The confined pressure of described infiltration dissolved corrosion test device applies, and by confined pressure pressure regulator valve, inside, pressure chamber is applied to ambient pressure, and described pressure should be greater than the seepage water pressure of sample.
Described seepage pressure water pot and the pipeline between replenisher tank are provided with check valve.
The beneficial effects of the utility model are as follows:
Pressure water tank is designed to two, and one is seepage pressure water pot, and one is replenisher tank.Test is to be converted to hydraulic pressure by air pressure with seepage pressure water pot, by bottom, sample is applied to seepage pressure.Because dissolved corrosion test may continue several weeks, the several months, and this test is for uninterruptedly testing, so the sustaining supply of infiltration water is crucial in process of the test.Replenisher tank connects water source, in process of the test as need moisturizing, open connection valve between two tanks, by control panel, replenisher tank is exerted pressure, and make it to be greater than the pressure of seepage pressure water pot, can realize the moisturizing to seepage pressure water pot by replenisher tank, guarantee the uninterrupted continuous service of infiltration dissolved corrosion test.
Accompanying drawing explanation
Fig. 1 one-piece construction figure of the present utility model;
Fig. 2 permeates the structural drawing of dissolved corrosion test pressure chamber;
Fig. 3 static pressure switch board schematic diagram;
In figure: 1 outer cover, 2 rotation upper cover handles, 3 rising pipes, 4 permeable stones, 5 samples, 6 specimen mount, 7 ambient pressure interfaces, 8 drainage tracheaes, 9 seepage pressure interfaces, 10 pressure chamber's base supports, 11 pressure chamber's bases, 12 flowmeter interfaces, 13 O-ring seals, 14 handles, 15 abutment rings, 16 columns, 17 rotation upper covers, 18 triangular supports, 19 replenisher tanks, 20 seepage pressure water pots, 21 infiltration corrosion pressure chambers; 22 pneumatic supplies, 23 ambient pressure pressure regulator valves, 24 replenisher tank pressure regulator valves, 25 seepage pressure pressure regulator valves.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
A flexible barrier material infiltration dissolved corrosion test device, comprises seepage pressure water pot 20, replenisher tank 19, infiltration corrosion pressure chamber 21 and static pressure switch board 22.Described replenisher tank is connected by pipeline with seepage pressure water pot, is provided with water check valve in pipeline, and replenisher tank can be the moisturizing of seepage pressure water pot; Seepage pressure water pot is connected with infiltration corrosion pressure chamber, for it provides seepage water pressure;
Infiltration corrosion pressure chamber comprises pressure chamber's stationary installation and pressure chamber's outer cover 1; Pressure chamber's stationary installation comprises pressure chamber's base 11, triangular supports 18 and column 16, between described pressure chamber's outer cover 1 and pressure chamber's base 11, by an abutment ring 15, is connected, and abutment ring 15 is provided with handle 14; Pressure chamber's outer cover 1 top and an end cap are threaded connection; In described pressure chamber's outer cover, be provided with a triangular supports, described support is connected with pressure chamber's base by column, and support is provided with the circular hole with sample same diameter, and tolerable sample upper cover is through carriage center, and regulates highly by screw thread rotation.
In pressure chamber's outer cover 1, be provided with a specimen mount 6 being placed on pressure chamber's base, directly over described specimen mount, be provided with and can regulate by rotation upper cover handle 2 the rotation upper cover 17 of height, between described rotation upper cover and specimen mount for laying sample 5 and permeable stone 4; In rotation, tops is provided with a water delivering orifice, by rising pipe 3, directly leads to pressure chamber's base, at flowmeter interface 12 places, is connected with Flow Observation system; Specimen mount 6 is provided with drainage pore 8 and the seepage pressure interface 9 communicating with the external world; The side of specimen mount is provided with and can applies to sample the ambient pressure interface 7 of ambient pressure; Pressure chamber's outer cover 1 on pressure chamber's base, is provided with O-ring seal 13 by with handles 14 rotatable abutment ring 15 screw-tightened between pressure chamber's base and abutment ring, so just formed a complete infiltration dissolved corrosion test pressure chamber.
Static pressure switch board device, is comprised of three pressure regulator valves and three precision pressure gauges, is arranged on respectively on the panel of switch board, forms a set of complete static pressure control system; Pneumatic supply 22 by three-way valve be respectively replenisher tank, seepage water pressure Guan Ji pressure chamber confined pressure provides pressure.Described replenisher tank 19 is connected with seepage pressure water pot 20 with water source, exerts pressure, and make this pressure be greater than the pressure in seepage pressure water pot by the water in 24 pairs of replenisher tanks of replenisher tank pressure regulator valve, forms moisturizing; By 25 pairs of seepage pressure water pots of seepage pressure valve, exert pressure, air pressure is connected with seepage pressure interface 9 after being converted to hydraulic pressure, realizes the seepage water pressure of dissolved corrosion test; Applying of described pressure chamber's ambient pressure, is to apply ambient pressure by inside, ambient pressure pressure regulator valve 23Dui pressure chamber, and this pressure should be greater than the seepage water pressure of sample, and this measure can prevent that sidewall is around oozing.
Test method of the present utility model is as follows:
1. by sample upper and lower surface hacking, with the cement serous coat of the sample water permeability of eliminating the effects of the act;
2. at the side surface of right cylinder sample, evenly coat encapsulant silicon rubber, and the sample of handling well is soaked more than 24 hours in clear water, or it is saturated with saturated tank, to carry out vacuum;
3. latex film is bundled in to specimen mount, places respectively lower permeable stone, sample, upper dankness stone.By the rotation of upper cover handle, adjust upper cover height, until the lower surface of movable top lid has just contacted upper dankness stone, be advisable.Latex film is tightened in the groove of movable top lid to test specimen installation;
④Jiang pressure chamber outer cover is positioned on pressure chamber's base, by handle, screws pressure chamber, and checks whether pressure chamber has gas leak phenomenon.
5. open the valve that seepage pressure is taken over, by control panel, apply the seepage water pressure of 0.05 MPa, the air of bringing between latex film and sample in dress sample process is discharged by rising pipe; After sample exhaust gas inside completes, close seepage water pressure and take over valve, remove seepage pressure; In pressure chamber, apply the ambient pressure of 0.05MPa, the inner superfluous water of sample is discharged, after determining without superfluous water and gas, carry out corrosion, permeability test.
6. according to prior selected infiltration ratio, fall, apply ambient pressure and infiltration water and compress into row test in pressure chamber, for guaranteeing the accuracy of test findings, during test, seepage pressure is less than ambient pressure in pressure chamber, guarantees that latex film is adjacent to sample, prevents around oozing.
7. by flowmeter survey real-time ooze out the water yield, every 24 hour records accumulative total on same day amount of seepages, and detect Ca in water seepage on the same day
2+content.
8. monitor in real time flow instrument data, when flow instrument data become suddenly large, should stop test.
9. close seepage pressure and take over valve, remove seepage pressure and ambient pressure, open drainage air valve, by drainage tracheae, the remaining water in sample and pipeline is discharged, the pressure chamber of outwarding winding, removes latex film, takes down sample, and dissolved corrosion test completes;
10. arrange out Ca
2+same day stripping quantity and infiltration lasts relation line, CaO accumulation stripping quantity and infiltration and lasts relation line.
Claims (7)
1. permeate the water replanishing device that dissolved corrosion test device is used, it is characterized in that: comprise pressure water tank, replenisher tank and static pressure switch board, described replenisher tank is connected with pressure water tank, described pressure water tank is connected with infiltration dissolved corrosion test device; Described pressure water tank, replenisher tank and infiltration dissolved corrosion test device are all connected with static pressure switch board.
2. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 1 is used, it is characterized in that: described static pressure switch board device, comprise a pneumatic supply, three pressure regulator valves and three precision pressure gauges, described three pressure regulator valves and three precision pressure gauges are arranged on respectively on the panel of switch board; The confined pressure that described pneumatic supply is respectively replenisher tank, seepage water pressure tank and infiltration dissolved corrosion test device by three pressure regulator valves provides pressure; And on the loop that pneumatic supply is connected with three pressure regulator valves, be equipped with a precision pressure gauge.
3. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 2 is used, is characterized in that: three described pressure regulator valves are respectively replenisher tank pressure regulator valve, seepage pressure valve, confined pressure pressure regulator valve.
4. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 3 is used, it is characterized in that: described replenisher tank is connected with water source, seepage pressure water pot respectively, by replenisher tank pressure regulator valve, the water in replenisher tank is exerted pressure, and make this pressure be greater than the pressure in seepage pressure water pot, form moisturizing.
5. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 3 is used, it is characterized in that: described pneumatic supply is exerted pressure to seepage pressure water pot by seepage pressure valve, air pressure is connected with seepage pressure interface after being converted to hydraulic pressure, realizes the seepage water pressure of dissolved corrosion test.
6. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 3 is used, it is characterized in that: the confined pressure of described infiltration dissolved corrosion test device applies, by confined pressure pressure regulator valve, inside, pressure chamber is applied to ambient pressure, described pressure should be greater than the seepage water pressure of sample.
7. the water replanishing device that infiltration dissolved corrosion test device as claimed in claim 1 is used, is characterized in that: described seepage pressure water pot and the pipeline between replenisher tank are provided with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432984.6U CN203981551U (en) | 2014-08-01 | 2014-08-01 | A kind of water replanishing device that permeates the use of dissolved corrosion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432984.6U CN203981551U (en) | 2014-08-01 | 2014-08-01 | A kind of water replanishing device that permeates the use of dissolved corrosion test device |
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| Publication Number | Publication Date |
|---|---|
| CN203981551U true CN203981551U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432984.6U Expired - Fee Related CN203981551U (en) | 2014-08-01 | 2014-08-01 | A kind of water replanishing device that permeates the use of dissolved corrosion test device |
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| CN (1) | CN203981551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807084A (en) * | 2017-11-01 | 2018-03-16 | 山东大学 | A kind of rock sample seepage flow test device and method |
| CN110231279A (en) * | 2019-07-08 | 2019-09-13 | 中铁十一局集团第五工程有限公司 | Rock drying and watering cycle corrosion comprehensive testing method |
-
2014
- 2014-08-01 CN CN201420432984.6U patent/CN203981551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807084A (en) * | 2017-11-01 | 2018-03-16 | 山东大学 | A kind of rock sample seepage flow test device and method |
| CN110231279A (en) * | 2019-07-08 | 2019-09-13 | 中铁十一局集团第五工程有限公司 | Rock drying and watering cycle corrosion comprehensive testing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |