CN204203487U - A kind of evaporation from water surface device - Google Patents
A kind of evaporation from water surface device Download PDFInfo
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- CN204203487U CN204203487U CN201420709179.3U CN201420709179U CN204203487U CN 204203487 U CN204203487 U CN 204203487U CN 201420709179 U CN201420709179 U CN 201420709179U CN 204203487 U CN204203487 U CN 204203487U
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- water
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Abstract
The utility model relates to a kind of evaporation from water surface device, this evaporator is made up of evaporative cylinder, the bottom side wing, mouth flank, hydrostatic device, graduated cylinder, confession water drum, drainpipe, filling pipe, solenoid valve, pressure transducer, water inlet pipe, muffler, magnetostriction liquidometer and stop valve, be the upper improvement on existing a kind of ice, evaporation from water surface device basis, then calculate evaporation capacity with conventional water balance method.This evaporator has perfect overflow system, the depth of water in steady-state evaporation device when heavy rain, and dabble inside and outside minimizing unbalanced error; Because evaporator has the bottom side wing, easy for installation, easily accomplish opening's edge level during rainfall.It is simple that this evaporator has structure, and convenient operation, stabilizes the depth of water, stabilizes evaporitic environment, has the features such as the testing tool of enlarging function, improves the representativeness of Evapotranspiration measurement Data and the accuracy rate of comparability and evaporation capacity.
Description
Technical field
The utility model relates to a kind of 3000cm
2evaporation from water surface device.
Background technology
The use of water surface evaporation in China device has the history of more than 50 year, but present GB (GB21327-2007) still continues to use the old product of nineteen sixty.Nineteen eighty-two chances on the depth of water at station, Aksu: environment and Soil Thermal advection are very large to Influence of Evaporation, proposes three principles of design evaporation from water surface device: regime depth, steady-state evaporation environment and have the testing tool of enlarging function.
Existing 3000 type water, evaporation from ice device solve comparability and representational science determination techniques method problem.It has the depth of water in steady-state evaporation device, evaporitic environment and the testing tool with enlarging function of steady-state evaporation device.The volume of evaporator is substantially identical with г г и-3000 with mounting means.3000 type water described in the utility model, evaporation from ice device, have perfect overflow system, the depth of water in steady-state evaporation device when heavy rain, and dabble inside and outside minimizing unbalanced error, opens level pressure safety valve, ice face can be kept smooth during winter, observes evaporation from ice.The peristoma 70cm above ground level of rain gage bucket, dabbling of ground does not reach rain gage bucket.But it is also a problem that rain gage bucket outwards dabbles, when raininess is large, the water that spills is certainly than many many during light rain, namely the quantity of precipitation surveyed when raining heavyly is less than natural rainfall amount, in order to increase the representativeness of Evapotranspiration measurement Data and comparability (i.e. outstanding weather element) the utility model is on the basis of ZL200420008353.8, develop a kind of accurately, the evaporation from water surface device of various weather element can be adapted to fast.
Summary of the invention
The purpose of this utility model is, a kind of evaporation from water surface device is provided, this evaporator is made up of evaporative cylinder, the bottom side wing, mouth flank, hydrostatic device, graduated cylinder, confession water drum, drainpipe, filling pipe, solenoid valve, pressure transducer, water inlet pipe, muffler, magnetostriction liquidometer and stop valve, be the upper improvement on existing a kind of ice, evaporation from water surface device basis, calculating evaporation capacity with the water balance method of routine.This evaporator has perfect overflow system, the depth of water in steady-state evaporation device when heavy rain, and dabble inside and outside minimizing unbalanced error; Because evaporator has the bottom side wing, easy for installation, easily accomplish opening's edge level during rainfall.It is simple that this evaporator has structure, and convenient operation, stabilizes the depth of water, stabilizes evaporitic environment, has the features such as the testing tool of enlarging function, improves the representativeness of Evapotranspiration measurement Data and the accuracy rate of comparability and evaporation capacity.
A kind of evaporation from water surface device described in the utility model, this evaporator is by evaporative cylinder, the bottom side wing, mouth flank, hydrostatic device, graduated cylinder, for water drum, drainpipe, filling pipe, solenoid valve, pressure transducer, water inlet pipe, muffler, magnetostriction liquidometer and stop valve composition, communicating pipe (10) is provided with in evaporative cylinder (1) bottom, communicating pipe (10) is provided with pressure transducer (18), communicating pipe (10) is connected with graduated cylinder (2) with filling pipe (11) through the 3rd solenoid valve (23), through the connection with rising pipe (12) of the first solenoid valve (19) and the first little water pump (20) on communicating pipe (10), be connected with for water drum (3) with the 4th solenoid valve (24) by water inlet pipe (14) in the bottom of graduated cylinder (2), be connected with rising pipe (12) and drainpipe (13) in the bottom of graduated cylinder (2), drainpipe (13) is provided with the second solenoid valve (21) and the second little water pump (22).
The both sides upper wall of evaporative cylinder (1) is fixed with a mouthful flank (8), the both sides lower wall of evaporative cylinder (1) fixes the bottom side wing (9), upper wall in evaporative cylinder (1) is fixed hydrostatic device (7), hydrostatic device (7) is provided with the first magnetostriction liquidometer (4).
Be provided with the second magnetostriction liquidometer (5) at the top of graduated cylinder (2), be provided with the first muffler (16) in the side of graduated cylinder (2).
Top for water drum (3) is provided with the 3rd magnetostriction liquidometer (6), and the side for water drum (3) is provided with the second muffler (17), and opposite side is provided with feed pipe (15), and feed pipe (15) is fixed the 5th solenoid valve (25) and stop valve (26).
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
Further illustrate below in conjunction with accompanying drawing and provide embodiment;
A kind of evaporation from water surface device described in the utility model, this evaporator is by evaporative cylinder, the bottom side wing, mouth flank, hydrostatic device, graduated cylinder, for water drum, drainpipe, filling pipe, solenoid valve, pressure transducer, water inlet pipe, muffler, magnetostriction liquidometer and stop valve composition, communicating pipe 10 is provided with in evaporative cylinder 1 bottom, communicating pipe 10 is provided with pressure transducer 18, communicating pipe 10 is connected with graduated cylinder 2 with filling pipe 11 through the 3rd solenoid valve 23, through the connection with rising pipe 12 of the first solenoid valve 19 and the first little water pump 20 on communicating pipe 10, the both sides upper wall of evaporative cylinder 1 is fixed with mouthful flank 8, the both sides lower wall of evaporative cylinder 1 fixes the bottom side wing 9, upper wall in evaporative cylinder 1 is fixed hydrostatic device 7, hydrostatic device 7 is provided with the first magnetostriction liquidometer 4, be used for measuring the water level in evaporative cylinder 1, drop to evaporation, rise to precipitation, be connected with for water drum 3 with the 4th solenoid valve 24 by water inlet pipe 14 in the bottom of graduated cylinder 2, be connected with rising pipe 12 and drainpipe 13 in the bottom of graduated cylinder 2, the second magnetostriction liquidometer 5 is provided with at the top of graduated cylinder 2, the height of water level be used in measurement graduated cylinder 2 (is decided to be 30cm at the beginning of area
2), measure rate of water make-up during evaporation, the quantity of precipitation be also used for when measuring precipitation, is provided with the first muffler 16, drainpipe 13 is provided with the second solenoid valve 21 and the second little water pump 22 in the side of graduated cylinder 2, top for water drum 3 is provided with the 3rd magnetostriction liquidometer 6, be used for measuring the water level in water drum, lower than designated value, open the 5th solenoid valve 25 on feed pipe 15 and stop valve 26 adds water, reach designated value, close the 5th solenoid valve 25 and stop valve 26, the side for water drum 3 is provided with the second muffler 17, opposite side is provided with feed pipe 15, and feed pipe 15 is fixed the 5th solenoid valve 25 and stop valve 26,
In use, the liquid level of evaporative cylinder 1, lower than peristoma 75mm, flushing with mouth flank 8, is standard value, when liquid level is lower than standard value, open the 3rd solenoid valve 23 on filling pipe 11, open the 4th solenoid valve 24 on water inlet pipe 14, add water in evaporative cylinder 1, monitor after liquid level reaches standard value, close the 3rd solenoid valve 23 and the 4th solenoid valve 24 immediately; When liquid level is higher than standard value in evaporative cylinder 1, open the first solenoid valve 19 on rising pipe 12 and the first little water pump 20 draws water, when liquid level arrives standard value, close the first solenoid valve 19 and the first little water pump 20 immediately;
Under the condition that the 3rd solenoid valve 23 on filling pipe 11 and the first solenoid valve 19 on rising pipe 12 are all closed, by liquid level in the continual monitoring evaporative cylinder 1 of the first magnetostriction liquidometer 4, when liquid level declines a threshold values (as 0.05mm), assert and evaporate, need moisturizing; Open the 4th solenoid valve 24 on water inlet pipe 14, add water in graduated cylinder 2 and cause liquid level when exceeding evaporative cylinder 1 water level height 10mm, close the 4th solenoid valve 24,3rd solenoid valve 23 communicating pipe 10 of opening on filling pipe 11 adds water in evaporative cylinder 1, when the suitable 0.05mm evaporation capacity of graduated cylinder 2 water level decreasing 5mm(), close the 3rd solenoid valve 23 at once, complete a moisturizing;
By the first magnetostriction liquidometer 4 Continuous Observation, when the liquid level in evaporative cylinder 1 raises a threshold values (as 0.05mm), assert rainfall, need draining, open the second solenoid valve 21 and the second little water pump 22 on drainpipe 13, make the water level decreasing 20cm(in graduated cylinder 2 i.e. 20cm lower than evaporative cylinder liquid level), open the 3rd solenoid valve 23, when the calibrated altitude that liquid level in evaporative cylinder 1 declines, close the 3rd solenoid valve 23, the liquid level of the rising in graduated cylinder 2 is exactly water discharge once;
When extra torrential rain (>5mm/min) comes interim, open the first solenoid valve 19 and the first little water pump 20 on rising pipe 12, after in graduated cylinder 2 internal drainage to evaporative cylinder 1, liquid level decline reaches calibrated altitude, close the first solenoid valve 19 and the first little water pump 20, measure the liquid level raised in graduated cylinder 2, be this water discharge, open the second solenoid valve 21 and the second little water pump 22 on drainpipe 13 again, water in graduated cylinder 2 is expelled to trench drain 27, in graduated cylinder 2, during liquid level 20cm lower than standard, closes the second solenoid valve 21 and the second little water pump 22;
When evaporative cylinder 1 surface freezes, a threshold values (as high in 1.2m water column) is recorded with pressure transducer 18, the 3rd solenoid valve 23 now opened on filling pipe 11 bleeds off a certain amount of water, pressure restores (being less than 1m water column) and closes the 3rd solenoid valve 23 afterwards, keep ice face smooth, as needs, then open the second solenoid valve 21, to drain some water with the second little water pump 22;
When water level inside and outside evaporative cylinder 1 is equally high, just ensures to dabble inside and outside evaporative cylinder 1 balance, if the different height of water level inside and outside evaporative cylinder 1, still have the unbalanced problem that dabbles.Generally, udometric area affected by rain is larger, less by boundary condition (dabbling) impact.
Claims (4)
1. an evaporation from water surface device, it is characterized in that this evaporator is by evaporative cylinder, the bottom side wing, mouth flank, hydrostatic device, graduated cylinder, for water drum, drainpipe, filling pipe, solenoid valve, pressure transducer, water inlet pipe, muffler, magnetostriction liquidometer and stop valve composition, communicating pipe (10) is provided with in evaporative cylinder (1) bottom, communicating pipe (10) is provided with pressure transducer (18), communicating pipe (10) is connected with graduated cylinder (2) with filling pipe (11) through the 3rd solenoid valve (23), through the connection with rising pipe (12) of the first solenoid valve (19) and the first little water pump (20) on communicating pipe (10), be connected with for water drum (3) with the 4th solenoid valve (24) by water inlet pipe (14) in the bottom of graduated cylinder (2), be connected with rising pipe (12) and drainpipe (13) in the bottom of graduated cylinder (2), drainpipe (13) is provided with the second solenoid valve (21) and the second little water pump (22).
2. evaporation from water surface device according to claim 1, it is characterized in that being fixed with a mouthful flank (8) on the both sides upper wall of evaporative cylinder (1), the both sides lower wall of evaporative cylinder (1) fixes the bottom side wing (9), upper wall in evaporative cylinder (1) is fixed hydrostatic device (7), hydrostatic device (7) is provided with the first magnetostriction liquidometer (4).
3. evaporation from water surface device according to claim 1, is characterized in that being provided with the second magnetostriction liquidometer (5) at the top of graduated cylinder (2), is provided with the first muffler (16) in the side of graduated cylinder (2).
4. evaporation from water surface device according to claim 1, it is characterized in that the top for water drum (3) is provided with the 3rd magnetostriction liquidometer (6), side for water drum (3) is provided with the second muffler (17), opposite side is provided with feed pipe (15), and feed pipe (15) is fixed the 5th solenoid valve (25) and stop valve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709179.3U CN204203487U (en) | 2014-11-22 | 2014-11-22 | A kind of evaporation from water surface device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709179.3U CN204203487U (en) | 2014-11-22 | 2014-11-22 | A kind of evaporation from water surface device |
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| Publication Number | Publication Date |
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| CN204203487U true CN204203487U (en) | 2015-03-11 |
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| CN201420709179.3U Expired - Fee Related CN204203487U (en) | 2014-11-22 | 2014-11-22 | A kind of evaporation from water surface device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571977A (en) * | 2016-01-22 | 2016-05-11 | 成都汉维斯科技有限公司 | Evaporator and implementation method thereof |
| CN105987858A (en) * | 2016-05-31 | 2016-10-05 | 浙江省水文局 | Automatic real-time online evaporation measuring apparatus |
| CN107037503A (en) * | 2016-12-23 | 2017-08-11 | 北京美科华仪科技有限公司 | A kind of evaporation from water surface measurement apparatus and system |
| CN109738038A (en) * | 2019-03-12 | 2019-05-10 | 王铭 | A kind of hydrology evaporating dish and evaporative capacity measuring apparatus |
| CN110333553A (en) * | 2019-08-14 | 2019-10-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of full-automatic evaporation overflow measuring device |
| CN110824584A (en) * | 2019-11-04 | 2020-02-21 | 赵如月 | Calculation method for automatically monitoring water surface evaporation capacity by active drainage method |
-
2014
- 2014-11-22 CN CN201420709179.3U patent/CN204203487U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571977A (en) * | 2016-01-22 | 2016-05-11 | 成都汉维斯科技有限公司 | Evaporator and implementation method thereof |
| CN105987858A (en) * | 2016-05-31 | 2016-10-05 | 浙江省水文局 | Automatic real-time online evaporation measuring apparatus |
| CN105987858B (en) * | 2016-05-31 | 2019-01-18 | 浙江省水文局 | A kind of automatic real-time online evaporation measuring device |
| CN107037503A (en) * | 2016-12-23 | 2017-08-11 | 北京美科华仪科技有限公司 | A kind of evaporation from water surface measurement apparatus and system |
| CN107037503B (en) * | 2016-12-23 | 2023-06-27 | 北京美科华仪科技有限公司 | Water surface evaporation measuring device and system |
| CN109738038A (en) * | 2019-03-12 | 2019-05-10 | 王铭 | A kind of hydrology evaporating dish and evaporative capacity measuring apparatus |
| CN110333553A (en) * | 2019-08-14 | 2019-10-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of full-automatic evaporation overflow measuring device |
| CN110824584A (en) * | 2019-11-04 | 2020-02-21 | 赵如月 | Calculation method for automatically monitoring water surface evaporation capacity by active drainage method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150311 Termination date: 20171122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |