CN202421178U - Salinized object self-melt snow road surface snow-melting life prediction device - Google Patents
Salinized object self-melt snow road surface snow-melting life prediction device Download PDFInfo
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- CN202421178U CN202421178U CN2011205367150U CN201120536715U CN202421178U CN 202421178 U CN202421178 U CN 202421178U CN 2011205367150 U CN2011205367150 U CN 2011205367150U CN 201120536715 U CN201120536715 U CN 201120536715U CN 202421178 U CN202421178 U CN 202421178U
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Abstract
The utility model discloses a salinized object self-melt snow road surface snow-melting life prediction device which comprises an environment tank, an environment regulating unit and a testing unit, wherein the environment regulating unit and the testing unit are placed in the environment tank. The environment regulating unit comprises a heating lamp, a tap water sprayer, a temperature measurement device, a refrigerating system placed at the bottom of the environment tank and a ventilating system on the lateral face, the testing unit comprises an electromagnetic flowmeter and a sampling hole which are arranged on a water outlet pipe, the liquid container with a hole cover is placed below the sampling hole, and a density measurement instrument is arranged in the liquid container. The salinized object self-melt snow road surface snow-melting life prediction device can simulate separation processes of active constituents on the salinized object self-melt snow road surface, and is mainly used for forecasting snow-melting life of the salinized object self-melt snow road surface.
Description
Technical field
The utility model relates to the highway pavement experimental technique; Be particularly related to a kind of from snow melt pavement snow melting life-span simulation and forecast device; Can be applicable to simulation from the snow melt road surface under various physical environments the precipitation process of (sunshine, freeze, rainfall, blow) effective constituent; Evaluation is long-term snow melt performance from the snow melt road surface, and the prediction salt is from the snow melt pavement snow melting life-span.
Background technology
Winter road surface accumulated snow to freeze be the difficult problem of puzzlement traffic safety always, need employ lot of manpower and material resources usually and remove ice and snow, also begun initiatively to suppress to freeze the research on road surface thus.Initiatively suppressing freezing technology is in engineering construction or overhaul road surface, initiatively adopts correlation technique in advance or in compound, add proprietary material to make the road surface have the purpose function that specific function reaches the snow melt deicing.Suppress initiatively that one of most typical application is that salt is from the snow melt road surface in the freezing technology.Salt refers in asphalt, add salt from the snow melt road surface, makes road surface itself have the melting ice and snow function.Salt is effective because of its ice-melt snow from the snow melt road surface, construction technology simply is easy to promote and is widely used.How to evaluate under low temperature condition, suppresses the effect that freeze on the road surface from the snow melt road surface, and under the high ambient conditions, the salt precipitation rate is the emphasis problem of research to salt from the snow melt road surface.Under the different weather conditions (snowfall, rainfall amount, temperature), salt is salt precipitation rate difference from the snow melt road surface, and the salt precipitation rate directly influences the pavement snow melting life-span.Domestic correlative study; For example Chang An University developed a kind of salt from the snow melt road surface long-term snow melt device for evaluating performance, test specimen is soaked in simulation in constant water bath box, its shortcoming is that the solution that soaks test specimen do not change; Constantly separate out with salt; The concentration of salt constantly increases in the solution, and salt is separated out and is suppressed, can not simulating natural environment under the running water situation of washing away the road surface.
Summary of the invention
It is a kind of from snow melt pavement snow melting life-span simulation and forecast device that the purpose of the utility model is to provide; Can simulate precipitation process from snow melt road surface effective constituent; The prediction salt is from the snow melt pavement snow melting life-span, for salt promotes the use the foundation that provides intuitive and reliable from the snow melt road surface.
In order to achieve the above object, the utility model adopts following technical scheme to be achieved.
A kind of salt is from snow melt pavement snow melting life predication apparatus; Comprise environmental cabinet and be placed on environment regulon and the test cell in the environmental cabinet; The environment regulon comprises heating lamp, tap water shower nozzle and temperature-detecting device, places the refrigeration system of environmental cabinet bottom and the ventilating system of side.
Electromagnetic flowmeter and thief hole in described test cell comprises on the environmental cabinet rising pipe, the thief hole held has the liquid container of cover plate with holes, and penetron is set in the liquid container.
The test specimen sidewall is wrapped in waterproof material and thermal insulation water proof material, and the environmental cabinet top is provided with camera.
The utility model can be applicable to simulate the precipitation process of salt from snow melt road surface effective constituent, is mainly used in the prediction salt from the snow melt pavement snow melting life-span.Can change the temperature in the environmental cabinet, regulate the wind speed of ventilating system, regulate water discharge rate, measure the salt precipitation rate under different rainfall amounts, temperature, the wind speed effect.
Described test specimen parcel waterproof material reduces test specimen sidewall salt and separates out, but can not avoid separating out of test specimen sidewall salt fully, can produce certain influence to test findings.
The penetron of said test cell can critically be measured the density of small volume of solution.
The thief hole of said test cell can be got equivalent small size solution the interval short time, can sampling error be reduced, and the cover plate with holes of said liquid container prevents solution evaporation loss in the liquid container.
The electromagnetic flowmeter of said test cell can accurately be measured the instantaneous delivery and the integrated flow of solution under low flow velocity, the low discharge.
Described a kind of salt is provided with camera from snow melt pavement snow melting life predication apparatus in the described environmental cabinet, and camera is connected with display, can be intuitively, situation in the environment of observation case easily.
The utility model is sprayed at water on the test specimen under one or more environmental baselines, directly measures the flow and the density of washing away solution behind the test specimen.The utility model can simulate salt under different temperatures, rainfall amount, the wind speed effect from the snow melt road surface effective constituent salt precipitation process; And accurately measure the number percent of separating out of salt, for the prediction salt provides true and reliable experimental enviroment from the snow melt pavement snow melting life-span.
The outstanding advantage of the utility model technology is:
Above-mentioned environment regulon shower nozzle injection flow rate can utilize different injection flow rates, the rainfall situation in the simulating natural environment through flowmeter and water inlet switch control.
Above-mentioned environment regulon comprises heating lamp, can simulate the test of hot environment rain drop erosion salt from the snow melt road surface, measures salt and separates out number percent.
Above-mentioned environment regulon comprises refrigeration system, can simulate under the low temperature environment salt from the snow melt road surface salt precipitation process, measure the low temperature environment salt and separate out number percent.
The electromagnetic flowmeter of above-mentioned test cell and penetron can be measured each flow and density constantly, can draw the number percent-time diagram of separating out of salt under the various environmental baselines according to test figure.
The utility model is taken all factors into consideration influences salt from factors such as the temperature of snow melt pavement snow melting performance, rainfall amount, wind speed; Utilize under the environmental cabinet simulation various factors influence from the precipitation process of snow melt road surface effective constituent indoor, entire test is not restricted by external environment fully.
Description of drawings
Fig. 1 is the structural representation of a kind of salt of the utility model from snow melt pavement snow melting life predication apparatus.
Embodiment
With reference to Fig. 1; Environmental cabinet comprises: with the heating lamp (15) and the shower nozzle (14) of suspension arm (18) connection; The test specimen (1) of shower nozzle (14) below is placed on the porous worktable (28); Drainage plate (29) is set under the porous worktable (28), and drainage plate (29) is pooled to the rising pipe (33) that effluent switch (4), electromagnetic flowmeter (5) and thief hole (10) are housed with solution and discharges.
The environment regulon provides various environmental baselines for test; Through the spray rate of water inlet switch (21) and flowmeter (20) control shower nozzle (14), the environment that can simulate multiple rainfall intensity, power controller (27) changes the power of heating lamp (15); Can reach different high-temperature temperatures; Refrigeration controler (26) control refrigeration system (12) provides low temperature environment, and wind speed controller (25) control ventilating system (13) is simulated the influence of different wind speed to the salt precipitation rate.The electromagnetic flowmeter of test cell (5) can be measured instantaneous delivery and the integrated flow that flows out solution; Penetron (9) is measured solution (8) density that thief hole (10) is left and taken, and flow and density data are transferred to density iatron (23) through data line (11) and flow iatron (24) is gone up the demonstration storage.
Test procedure is following:
The test specimen (1) that 1) will be wrapped in waterproof material (2) is placed on the worktable, closes environmental cabinet chamber door (30);
2) close effluent switch (4), regulating power controller (27) (or refrigeration controler (26)) is test temperature;
When 3) treating that temperature indicator (22) display environment oven temperature, degree reaches test temperature, regulate the spray rate of water inlet switch (21), open effluent switch (4) to the test appointment according to flowmeter (20) reading;
4), select following operation steps according to test situation:
1. under the high ambient conditions, accomplish above-mentioned three steps operation after, after shower nozzle to be reached (14) water spraying time reaches test period, carry out the step 5) operation.
2. under the cold environmental conditions, accomplish above-mentioned three steps operation after, measure water inlet switch (21) and locate water temperature, test findings is revised, after shower nozzle to be reached (14) water spraying time reaches test period, carry out the step 5) operation.
3. under the ventilation condition, different wind speed tests are carried out after accomplishing the low temperature environment test, accomplish above-mentioned three steps operation after, regulating wind speed controller (25) be The test wind, after shower nozzle to be reached (14) water spraying time reaches test period, carries out step 5) and operates.
5), calculate salt and separate out number percent according to the real-time density and the flow of density iatron (23) and flow iatron (24);
6) after measurement finishes; Close water inlet switch (21),, close electromagnetic flowmeter (5) and penetron (9) switch power controller (27), refrigeration controler (26), wind speed controller (25) zero setting; Take out the penetron (9) in the liquid container (7), pour out solution;
7) the concrete experiment condition of basis in the step 4) carries out above one or more tests, tests; According to the test needs, can change test temperature repeating step 2) to step 5), test is simulated.
At last; Measurement data is gathered arrangement, the real-time density and the instantaneous delivery data of same group of test specimen are averaged, calculate the amount of separating out of test specimen salt in the measurement period; Salt total content in salt amount of separating out and the test specimen is compared; Can obtain the salt measurement period and separate out number percent, draw salt and separate out number percent-time diagram, according to separate out number percent-time diagram prediction salt from the snow melt road surface in the life-span in high temperature rainy season and the life-span of low temperature environment; In conjunction with the summer rainfall fate and rainfall in the winter snow fate in a certain area, measurable this area salt is from the snow melt pavement snow melting life-span.
Claims (3)
1. a salt is from snow melt pavement snow melting life predication apparatus; Comprise environmental cabinet (31) and be placed on environment regulon and the test cell in the environmental cabinet (31); It is characterized in that; The environment regulon comprises heating lamp (15), tap water shower nozzle (14) and temperature-detecting device (32), places the refrigeration system (12) of environmental cabinet (31) bottom and the ventilating system (13) of side.
2. a kind of salt according to claim 1 is from snow melt pavement snow melting life predication apparatus; It is characterized in that; Electromagnetic flowmeter (5) and thief hole (10) in described test cell comprises on the environmental cabinet rising pipe (33); Thief hole (10) held has the liquid container (7) of cover plate with holes (6), and penetron (9) is set in the liquid container (7).
3. a kind of salt according to claim 1 is characterized in that from snow melt pavement snow melting life predication apparatus the test specimen sidewall is wrapped in waterproof material (2) and thermal insulation water proof material (3), and environmental cabinet (31) top is provided with camera (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205367150U CN202421178U (en) | 2011-12-15 | 2011-12-15 | Salinized object self-melt snow road surface snow-melting life prediction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205367150U CN202421178U (en) | 2011-12-15 | 2011-12-15 | Salinized object self-melt snow road surface snow-melting life prediction device |
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| Publication Number | Publication Date |
|---|---|
| CN202421178U true CN202421178U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205367150U Expired - Fee Related CN202421178U (en) | 2011-12-15 | 2011-12-15 | Salinized object self-melt snow road surface snow-melting life prediction device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539651A (en) * | 2011-12-15 | 2012-07-04 | 长安大学 | Snow melting service life predicting device for salt self-snow-melting road surface |
| CN104155201A (en) * | 2014-08-12 | 2014-11-19 | 北京建筑大学 | Snow melting pavement evaluation method |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN112255265A (en) * | 2020-10-20 | 2021-01-22 | 山东交通学院 | Test device and method for determining icing state of salt solution |
| CN113960296A (en) * | 2021-10-21 | 2022-01-21 | 江苏东交智控科技集团股份有限公司 | Testing device and testing method for anti-freezing effect of asphalt pavement |
| CN117723587A (en) * | 2023-12-14 | 2024-03-19 | 四川省公路规划勘察设计研究院有限公司 | Performance test method and performance test device for road snow melting and deicing system |
-
2011
- 2011-12-15 CN CN2011205367150U patent/CN202421178U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539651A (en) * | 2011-12-15 | 2012-07-04 | 长安大学 | Snow melting service life predicting device for salt self-snow-melting road surface |
| CN102539651B (en) * | 2011-12-15 | 2014-12-10 | 长安大学 | Snow melting service life predicting device for salt self-snow-melting road surface |
| CN104155201A (en) * | 2014-08-12 | 2014-11-19 | 北京建筑大学 | Snow melting pavement evaluation method |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN112255265A (en) * | 2020-10-20 | 2021-01-22 | 山东交通学院 | Test device and method for determining icing state of salt solution |
| CN113960296A (en) * | 2021-10-21 | 2022-01-21 | 江苏东交智控科技集团股份有限公司 | Testing device and testing method for anti-freezing effect of asphalt pavement |
| CN117723587A (en) * | 2023-12-14 | 2024-03-19 | 四川省公路规划勘察设计研究院有限公司 | Performance test method and performance test device for road snow melting and deicing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121215 |