CN102590044A - Test system for evaporation from water surface of salt water - Google Patents
Test system for evaporation from water surface of salt water Download PDFInfo
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- CN102590044A CN102590044A CN2012100445612A CN201210044561A CN102590044A CN 102590044 A CN102590044 A CN 102590044A CN 2012100445612 A CN2012100445612 A CN 2012100445612A CN 201210044561 A CN201210044561 A CN 201210044561A CN 102590044 A CN102590044 A CN 102590044A
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Abstract
The invention discloses a test system for evaporation from water surface of salt water, which comprises a fresh water tank, a plurality of evaporation test barrels and a plurality of linear displacement sensors and a tour-inspection recording instrument, wherein the plurality of evaporation test barrels are arranged in the fresh water tank, the plurality of linear displacement sensors are arranged outside the fresh water tank, guide rails are arranged at the two sides of the fresh water tank, and movable rain shelters are arranged on the guide rails in a sliding way; each linear displacement sensor is fixed at the upper end of a PVC (polyvinyl chloride) tube with two blocked ends, one end of each linear displacement sensor, which is provided with a signal wire and a power line is arranged outside the PVC tube, and one end of the each linear displacement sensor, which is provided with a linkage rod, is arranged in the PVC tube, a buoy is arranged at the bottom end of the linkage rod, a first communicating pipe communicated with the evaporation test barrel is arranged on the side wall of the bottom end of the PVC tube, and an air hole is arranged at the top end of the PVC tube; and the plurality of linear displacement sensors are connected with the tour-inspection recording instrument. The test system is reasonable in design, convenient in construction, high in measurement efficiency and accuracy, low in cost and long in service life, has good representativeness and is convenient to be popularized for using.
Description
Technical field
The invention belongs to hydroscience and water conservancy project journey technical field, especially relate to a kind of salt water evaporation from water surface pilot system.
Background technology
In the arid and semi-arid area, different salinities is contained in a large amount of lakes, continues to use the evaporation coefficient of fresh water during its evaporation capacity of previous calculation.This way is obviously improper, but lacks strict test figure always.Since two thousand four; Chang An University and geologic examination center, China Geological Survey Bureau northwest show through join the small-scale test observed result of building in in-situ test field, Henan, Wushen Banner, the Inner Mongol, use the fresh water evaporation coefficient and can bring the very big error of calculation in the lake of containing salt.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned deficiency of the prior art a kind of salt water evaporation from water surface pilot system to be provided, and it is simple in structure; Novel and reasonable design, it is convenient to make up, and efficiency of measurement is high; Measuring accuracy is high, realizes that cost is low, long service life; Have representativeness preferably, practical, be convenient to promote the use of.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of salt water evaporation from water surface pilot system; It is characterized in that: comprise the fresh-water pool that is used to make evaporitic environment, be arranged in the fresh-water pool and be used to hold salt water a plurality of evaporation test tubes, be arranged on the patrol instrument that fresh-water pool is outer and be used for detecting in real time a plurality of Linear displacement transducers of the interior salt water SEA LEVEL VARIATION information of a plurality of evaporation test tubes and be used to write down the interior salt water SEA LEVEL VARIATION information of a plurality of evaporation test tubes; The both sides of said fresh-water pool are provided with guide rail, are slidingly installed on the said guide rail to be useful on the movable rain shade that when raining, hides said fresh-water pool; Each said Linear displacement transducer all is fixed on the upper end of the pvc pipe of a two ends shutoff; The end that said Linear displacement transducer is provided with signal wire and power lead is positioned at outside the said pvc pipe; The end that said Linear displacement transducer is provided with gangbar is positioned at said pvc pipe; The bottom of said gangbar is connected with buoy; The bottom of every said pvc pipe all is embedded in subsurface, and the bottom sidewall of said pvc pipe is provided with first communicating pipe that is connected with the evaporation test tube, and the top of said pvc pipe is provided with the aerial pore of sudden and violent leakage; The signal wire of a plurality of said Linear displacement transducers all joins with said patrol instrument.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: the quantity of said Linear displacement transducer equates with the quantity of said evaporation test tube.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: said fresh-water pool is a rectangular shape, and the length of said fresh-water pool is 7m～11m, and the wide of said fresh-water pool is 1m～3m, and the height of said fresh-water pool is 0.5m～1.5m.
Above-mentioned salt water evaporation from water surface pilot system; It is characterized in that: the top of said evaporation test tube is cylindric; The bottom of said evaporation test tube is blind end and is provided with hemisphere face, and the lower sides of said evaporation test tube is provided with and is used for second communicating pipe of joining with first communicating pipe, and the diameter of said evaporation test tube is 50cm～70cm; The height of said evaporation test tube is 60cm～80cm, and the wall thickness of said evaporation test tube is 8mm～12mm.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: the quantity of said evaporation test tube is 4～6.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: the length of said fresh-water pool is 9m, and the wide of said fresh-water pool is 2m, and the height of said fresh-water pool is 1m; The diameter of said evaporation test tube is 61.8cm, and the height of said evaporation test tube is 70cm, and the wall thickness of said evaporation test tube is 10mm; The quantity of said evaporation test tube is 5.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: the length of said pvc pipe is 30cm～50cm, and the diameter of said pvc pipe is 9cm～11cm, and the wall thickness of said pvc pipe is 4mm～6mm.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: the length of said pvc pipe is 40cm, and the diameter of said pvc pipe is 10cm, and the wall thickness of said pvc pipe is 5mm.
Above-mentioned salt water evaporation from water surface pilot system, it is characterized in that: said guide rail is processed by steel pipe, and said movable rain shade is processed by color steel.
Above-mentioned salt water evaporation from water surface pilot system is characterized in that: said patrol instrument is millimetre-sized patrol instrument for having 20 recording channels and display precision.
The present invention compared with prior art has the following advantages:
1, the present invention is simple in structure, novel and reasonable design, and it is convenient to make up.
2, the fresh-water pool among the present invention can form isothermal environment with the evaporation test tube; Avoid in the evaporation test tube water body to produce boundary effect because of thermal capacitance is different with a tube limit; To reduce evaporation test tube steam gradient on every side, can make test findings more near actual, improved measuring accuracy.
3, the bottom of the present invention's evaporation test tube is set to hemisphere face, is convenient to adjust evaporation test tube nozzle level, also is convenient to be embedded at the bottom of the concrete hole.
4, the movable rain shade among the present invention can horizontally slip on guide rail; Movable rain shade manual work is pushed into above the fresh-water pool when chance is rained, and hides whole evaporation test tubes, in case rain stops withdrawing immediately movable rain shade; Avoid of the influence of external water source, help to improve measuring accuracy test.
5, efficiency of measurement of the present invention is high, realizes that cost is low, long service life.
6, the present invention has representativeness preferably, and is practical, is convenient to promote the use of.
In sum, the present invention is simple in structure, novel and reasonable design, and structure is convenient, and efficiency of measurement is high, and measuring accuracy is high, realizes that cost is low, and long service life has representativeness preferably, and is practical, is convenient to promote the use of.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a vertical view of the present invention.
Fig. 2 is the structural representation of evaporation test tube of the present invention.
Fig. 3 is the syndeton synoptic diagram of Linear displacement transducer of the present invention and pvc pipe.
Description of reference numerals:
The 1-fresh-water pool; 2-evaporation test tube; The 3-Linear displacement transducer;
The 4-patrol instrument; The 5-guide rail; The movable rain shade of 6-;
The 7-PVC pipe; The 8-gangbar; The 9-buoy;
First communicating pipe of 10-; The 11-pore; Second communicating pipe of 12-.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; The present invention includes the fresh-water pool 1 that is used to make evaporitic environment, be arranged in the fresh-water pool 1 and be used to hold salt water a plurality of evaporation test tubes 2, be arranged on the patrol instrument 4 that fresh-water pool 1 is outer and be used for detecting a plurality of Linear displacement transducers 3 of salt water SEA LEVEL VARIATION information in a plurality of evaporation test tubes 2 in real time and be used to write down salt water SEA LEVEL VARIATION information in a plurality of evaporation test tubes 2; The both sides of said fresh-water pool 1 are provided with guide rail 5, are slidingly installed on the said guide rail 5 to be useful on the movable rain shade 6 that when raining, hides said fresh-water pool 1; Each said Linear displacement transducer 3 all is fixed on the upper end of the pvc pipe 7 of a two ends shutoff; The end that said Linear displacement transducer 3 is provided with signal wire and power lead is positioned at outside the said pvc pipe 7; The end that said Linear displacement transducer 3 is provided with gangbar 8 is positioned at said pvc pipe 7; The bottom of said gangbar 8 is connected with buoy 9; The bottom of every said pvc pipe 7 all is embedded in subsurface, and the bottom sidewall of said pvc pipe 7 is provided with first communicating pipe 10 that is connected with evaporation test tube 2, and the top of said pvc pipe 7 is provided with the aerial pore 11 of sudden and violent leakage; The signal wire of a plurality of said Linear displacement transducers 3 all joins with said patrol instrument 4.
Wherein, buoy 9 adopts nylon material to be made, and can swim in above the salt solution.Because the salt content in each evaporation test tube 2 is different, so the buoy 9 of each gangbar 8 bottoms will be confirmed its thickness according to the test of different salt lease making; Said Linear displacement transducer 3 can pass through the thickness of the buoy 9 of adjustment gangbar 8 bottoms, to adapt to the test of different salinities.The top of said pvc pipe 7 is provided with the aerial pore 11 of sudden and violent leakage, could make pvc pipe 7 and evaporation test tube 2 constitute a linker like this.The signal wire of said Linear displacement transducer 3 is one, the current signal of output 4mA～20mA, and power lead is two, and wherein one connects power supply, and another root is public zero line.
Like Fig. 1, Fig. 2 and shown in Figure 3, in the present embodiment, the quantity of said Linear displacement transducer 3 equates with the quantity of said evaporation test tube 2.Said fresh-water pool 1 is a rectangular shape, and the length of said fresh-water pool 1 is 7m～11m, and the wide of said fresh-water pool 1 is 1m～3m, and the height of said fresh-water pool 1 is 0.5m～1.5m; Fresh-water pool 1 can form isothermal environments with evaporation test tube 2, avoids that water body produces boundary effect with a tube limit in the evaporation test tube 2 because of thermal capacitance is different, to reduce the steam gradient around the evaporation test tube 2, can make the more approaching reality of test findings.The top of said evaporation test tube 2 is cylindric; The bottom of said evaporation test tube 2 is blind end and is provided with hemisphere face; The lower sides of said evaporation test tube 2 is provided with and is used for second communicating pipe 12 of joining with first communicating pipe 10; The diameter of said evaporation test tube 2 is 50cm～70cm, and the height of said evaporation test tube 2 is 60cm～80cm, and the wall thickness of said evaporation test tube 2 is 8mm～12mm.The quantity of said evaporation test tube 2 is 4～6.The bottom of evaporation test tube 2 is set to hemisphere face, is convenient to adjust evaporation test tube 2 nozzle levels, also is convenient to be embedded at the bottom of the concrete hole.Evaporation test tube 2 is made by fiberglass, is added with anticorrosive in the epoxy resin of with glass wool cloth coiling evaporation test tube 2 cylindrical shells the time, using.
Preferably, the length of said fresh-water pool 1 is 9m, and the wide of said fresh-water pool 1 is 2m, and the height of said fresh-water pool 1 is 1m; The diameter of said evaporation test tube 2 is 61.8cm, and the height of said evaporation test tube 2 is 70cm, and the wall thickness of said evaporation test tube 2 is 10mm; The quantity of said evaporation test tube 2 is 5.
In the present embodiment, the length of said pvc pipe 7 is 30cm～50cm, and the diameter of said pvc pipe 7 is 9cm～11cm, and the wall thickness of said pvc pipe 7 is 4mm～6mm.Preferably, the length of said pvc pipe 7 is 40cm, and the diameter of said pvc pipe 7 is 10cm, and the wall thickness of said pvc pipe 7 is 5mm.
In the present embodiment, said guide rail 5 is processed by steel pipe, and said movable rain shade 6 is processed by color steel; Movable rain shade 6 can horizontally slip on guide rail 5, and movable rain shade 6 manual works are pushed into above the fresh-water pool 1 when chance is rained, and hide whole evaporation test tubes 2, in case rain stops withdrawing immediately movable rain shade 6, avoids the influence of external water source to test.Said patrol instrument 4 is millimetre-sized patrol instrument for having 20 recording channels and display precision; Purchase in market, by solar powered, predeterminable recording frequency; Can directly demonstrate the millimeter level evaporation capacity in the evaporation test tube 2, the record total amount surpasses 60000.
The process that adopts the present invention to carry out salt water evaporation from water surface test is:
One, test preliminary work:
1, adopts distilled water, press 0.05%, 0.10%, 0.15%, 0.20%, 0.25% sodium chloride concentration test preparation water sample, and it is respectively charged in 5 evaporation test tubes 2 the about 5cm of water surface distance evaporation test tube 2 nozzles;
2, in fresh-water pool 1, inject tap water, the fresh water face is than the low 5cm of the salt water face in the evaporation test tube 2;
3, whether the gangbar 8 of inspection Linear displacement transducer 3 is up and down smooth and easy, guarantees that pvc pipe 7 and Linear displacement transducer 3 are in vertical position;
4, being connected of inspection Linear displacement transducer 3 and patrol instrument 4, adjust the frequency of data acquisition according to prior design.
Two, experiment work:
1, the appropriate location in evaporation test tube 2 and fresh-water pool 1, the position of adopting proper method mark salt water face and fresh water face;
2, guarantee that preliminary work is errorless, open patrol instrument 4 power supplies, patrol instrument 4 is started working;
3, the water surface in quantitative check evaporation test every day tube 2 and the fresh-water pool 1 changes; Usually as salt water water surface reduction 1cm～2cm; Will in evaporation test tube 2, replenish distilled water and make it return to predetermined water surface site, reinject tap water so that it returns to predetermined water surface site and the water surface in the fresh-water pool 1 can reduce 3cm～5cm;
4, can download a secondary data from patrol instrument 4 weekly.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (10)
1. salt water evaporation from water surface pilot system; It is characterized in that: comprise the fresh-water pool (1) that is used to make evaporitic environment, be arranged in the fresh-water pool (1) and be used to hold salt water a plurality of evaporation test tubes (2), be arranged on the patrol instrument (4) that fresh-water pool (1) is outer and be used for detecting a plurality of Linear displacement transducers (3) of the interior salt water SEA LEVEL VARIATION of a plurality of evaporation test tubes (2) information in real time and be used to write down the interior salt water SEA LEVEL VARIATION of a plurality of evaporation test tubes (2) information; The both sides of said fresh-water pool (1) are provided with guide rail (5), are slidingly installed on the said guide rail (5) to be useful on the movable rain shade (6) that when raining, hides said fresh-water pool (1); Each said Linear displacement transducer (3) all is fixed on the upper end of the pvc pipe (7) of a two ends shutoff; The end that said Linear displacement transducer (3) is provided with signal wire and power lead is positioned at outside the said pvc pipe (7); The end that said Linear displacement transducer (3) is provided with gangbar (8) is positioned at said pvc pipe (7); The bottom of said gangbar (8) is connected with buoy (9); The bottom of every said pvc pipe (7) all is embedded in subsurface, and the bottom sidewall of said pvc pipe (7) is provided with first communicating pipe (10) that is connected with evaporation test tube (2), and the top of said pvc pipe (7) is provided with the aerial pore of sudden and violent leakage (11); The signal wire of a plurality of said Linear displacement transducers (3) all joins with said patrol instrument (4).
2. according to the described salt water evaporation from water surface of claim 1 pilot system, it is characterized in that: the quantity of said Linear displacement transducer (3) equates with the quantity of said evaporation test tube (2).
3. according to claim 1 or 2 described salt water evaporation from water surface pilot systems; It is characterized in that: said fresh-water pool (1) is a rectangular shape; The length of said fresh-water pool (1) is 7m～11m, and the wide of said fresh-water pool (1) is 1m～3m, and the height of said fresh-water pool (1) is 0.5m～1.5m.
4. according to the described salt water evaporation from water surface of claim 3 pilot system; It is characterized in that: the top of said evaporation test tube (2) is cylindric; The bottom of said evaporation test tube (2) is blind end and is provided with hemisphere face; The lower sides of said evaporation test tube (2) is provided with and is used for second communicating pipe (12) of joining with first communicating pipe (10); The diameter of said evaporation test tube (2) is 50cm～70cm, and the height of said evaporation test tube (2) is 60cm～80cm, and the wall thickness of said evaporation test tube (2) is 8mm～12mm.
5. according to the described salt water evaporation from water surface of claim 4 pilot system, it is characterized in that: the quantity of said evaporation test tube (2) is 4～6.
6. according to the described salt water evaporation from water surface of claim 5 pilot system, it is characterized in that: the length of said fresh-water pool (1) is 9m, and the wide of said fresh-water pool (1) is 2m, and the height of said fresh-water pool (1) is 1m; The diameter of said evaporation test tube (2) is 61.8cm, and the height of said evaporation test tube (2) is 70cm, and the wall thickness of said evaporation test tube (2) is 10mm; The quantity of said evaporation test tube (2) is 5.
7. according to claim 1 or 2 described salt water evaporation from water surface pilot systems, it is characterized in that: the length of said pvc pipe (7) is 30cm～50cm, and the diameter of said pvc pipe (7) is 9cm～11cm, and the wall thickness of said pvc pipe (7) is 4mm～6mm.
8. according to the described salt water evaporation from water surface of claim 7 pilot system, it is characterized in that: the length of said pvc pipe (7) is 40cm, and the diameter of said pvc pipe (7) is 10cm, and the wall thickness of said pvc pipe (7) is 5mm.
9. according to claim 1 or 2 described salt water evaporation from water surface pilot systems, it is characterized in that: said guide rail (5) is processed by steel pipe, and said movable rain shade (6) is processed by color steel.
10. according to claim 1 or 2 described salt water evaporation from water surface pilot systems, it is characterized in that: said patrol instrument (4) is millimetre-sized patrol instrument for having 20 recording channels and display precision.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100445612A CN102590044A (en) | 2012-02-26 | 2012-02-26 | Test system for evaporation from water surface of salt water |
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| CN2012100445612A CN102590044A (en) | 2012-02-26 | 2012-02-26 | Test system for evaporation from water surface of salt water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865980A (en) * | 2016-04-14 | 2016-08-17 | 中国地质科学院水文地质环境地质研究所 | Floating evaporation experiment tank |
| CN106613786A (en) * | 2016-11-29 | 2017-05-10 | 四川大学 | Irrigation prediction system based on automatic water supplementing evaporating dish |
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| CN105865980A (en) * | 2016-04-14 | 2016-08-17 | 中国地质科学院水文地质环境地质研究所 | Floating evaporation experiment tank |
| CN106613786A (en) * | 2016-11-29 | 2017-05-10 | 四川大学 | Irrigation prediction system based on automatic water supplementing evaporating dish |
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Application publication date: 20120718 |