CN105571977A - Evaporator and implementation method thereof - Google Patents
Evaporator and implementation method thereof Download PDFInfo
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- CN105571977A CN105571977A CN201610044122.XA CN201610044122A CN105571977A CN 105571977 A CN105571977 A CN 105571977A CN 201610044122 A CN201610044122 A CN 201610044122A CN 105571977 A CN105571977 A CN 105571977A
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- evaporating dish
- water
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- weighing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The invention discloses an evaporator and an implementation method thereof. The evaporator mainly solves the problems that in the prior art, water level measurement adopted for water surface evaporation measurement is low in precision, high in labor cost and the like. The evaporator is characterized by comprising an evaporation pan (2), a weighing system and a motion actuating mechanism; when the evaporation pan is placed on the weighing system, the weighing system weighs the evaporation pan, and the evaporation pan (2) can break away from and placed on the weighing system through the motion actuating mechanism. The evaporator is simple in structure, convenient to implement and high in measurement precision.
Description
Technical field
The present invention relates to a kind of device for measuring evaporation from water surface, specifically, relating to a kind of evaporator and its implementation.
Background technology
In hydrometeorology monitoring, evaporation from water surface is an important parameter.The measurement of evaporation from water surface is carried out in evaporate station, in prior art, the technical scheme adopted is measured to evaporation from water surface as follows: measured by the landing difference of high-precision dimensional measuring instrument (vernier caliper etc.) to the water surface in evaporating dish, then calculate evaporation capacity according to the difference in height of liquid level, mainly there is following defect in it: precision is low.Water surface shape is unfixing, yielding, and the fluctuation of the water surface very easily affects measuring accuracy, and be difficult to during measurement hold whether chaining pin is just contact the water surface, therefore precision is difficult to the requirement reaching " evaporation from water surface observation criteria ".
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide a kind of structure simple, realize evaporator easily.
To achieve these goals, the present invention is by the following technical solutions:
A kind of evaporator, comprises evaporating dish, weighing system and action actuating mechanism; When described evaporating dish is placed on described weighing system, described weighing system is weighed to described evaporating dish, and described evaporating dish realizes disengaging between described weighing system and placement by described action actuating mechanism.
Further, described action actuating mechanism is jacking system, and described evaporating dish realizes the lifting action at above-below direction by described jacking system, realizes the disengaging between described weighing system and placement thus.
Further, described jacking system comprises push rod, and described evaporating dish is arranged on the end of described push rod.
Further, described jacking system also comprises push-plate, and described push-plate is arranged on the end of described push rod, and described evaporating dish is placed in described push-plate.
Further, described action actuating mechanism is mechanical arm.
Further, also comprise one end and connect outside, that the other end connects evaporating dish water pipe, not only this water pipe can be one, realizes draining but also realize moisturizing operation, also can be two, and one root is drainpipe, another root is filling pipe.
One evaporates measuring system automatically, comprises evaporator, background control system, information collecting device, and realizes the communicator that background control system communicates with between evaporator, information collecting device; Described information collecting device comprises the device of the device gathering weighing system reading, the device gathering the water yield in evaporating dish, collection water pipe rate of water make-up/water discharge.
The implementation method of evaporator, comprises the following steps:
(1) weighing system weighs the step of evaporating dish original weight;
(2) evaporating dish departs from weighing system, carries out the step of evaporating operation;
(3) after pervaporation, weighing system weighs the step of the real-time weight of evaporating dish;
(4) step of evaporation capacity is calculated according to original weight and real-time weight data.
Further, the implementation method of evaporator also comprises: when in evaporating dish during water shortage, by the step of filling pipe to moisturizing in evaporating dish; When in evaporating dish during hypervolia, discharged the step of water in evaporating dish by drainpipe;
Wherein, in evaporating dish, the standard of water shortage is the lower limit of evaporating dish internal memory moisture storage capacity; The upper limit being labeled as evaporating dish internal memory moisture storage capacity of hypervolia in evaporating dish.
The implementation method of automatic evaporation measuring system, comprises the following steps:
(1) evaporating dish is placed on step weighing system weighing original weight by background control system control action topworks;
(2) background control system control action topworks makes evaporating dish depart from weighing system, carries out the step of evaporating operation;
(3) after the evaporation time T set through background control system, evaporating dish is placed on step weighing system weighing real-time weight by background control system control action topworks;
(4) background control system calculates the step of evaporation capacity according to original weight and real-time weight data.
Further, the implementation method of evaporation measuring system automatically, also comprises:
When collecting water shortage in evaporating dish, background control system controls the step of filling pipe to moisturizing in evaporating dish according to feedack;
When collecting hypervolia in evaporating dish, bench control system controls according to feedack the step that water in evaporating dish discharged by drainpipe,
Wherein, in evaporating dish, the criterion of water shortage is the lower limit of the water yield in the evaporating dish preset of background control system, and in evaporating dish, the criterion of hypervolia is the higher limit of the water yield in the evaporating dish preset of background control system.
Compared with prior art, beneficial effect of the present invention is:
(1) the present invention is by evaporating dish, action actuating mechanism, weighing system, realize to the weight of evaporating dish before the evaporation with evaporation after weighing, then the weight difference weighed for twice by front and back calculates the evaporation capacity of moisture in evaporating dish, the gravimetric method realizing evaporation capacity is thus measured, compared with measuring with existing liquid level method, its precision is higher, not by the impact of water level fluctuation.
(2) the present invention is based on evaporating dish, action actuating mechanism and weighing system, in conjunction with background control system and information collecting device, realize the Automated condtrol to evaporator operation, every operation all can realize Long-distance Control, and come to without the need to survey crew measurement and the collection that evaporate station carries out data personally, not only realize conveniently, save manpower, and according to the measuring period set, secondary and high-frequency measurement more than a day can be realized, thus further increase the degree of accuracy of measurement result.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is vertical view of the present invention.
Wherein, the title corresponding to Reference numeral: 1. evaporation tank, 2. evaporating dish, 3. water pipe, 4. output shaft, 5. motor, 6. motor mounting plate, 7. base plate, 8. scale base, 9. scale, 10. push rod, 11. push-plates, 12. scales pan, 13. pump assemblies.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Embodiments of the present invention include but not limited to the following example.
Embodiment 1
As Figure 1-3, present embodiments provide a kind of evaporator, this evaporator mainly comprises evaporating dish, jacking system and weighing system, and the equal integrated installation of the said equipment is in an evaporation tank.Wherein, evaporating dish is for holding water; evaporation capacity is then obtained by water yield conversion in evaporating dish, it should be noted that evaporating dish is a kind of vessel; it is water receptacle; the shape of evaporating dish is not particularly limited to, and the evaporating dish shape shown in present specification accompanying drawing should not limit the protection domain of the application, and those skilled in the art are according to the function and effect of evaporating dish; also can do suitable distortion to its shape, structure, it also should belong to the protection domain of the application.
Jacking system, drive rising and the decline of evaporating dish, direction of action is above-below direction that is vertical or vertical direction.In the present embodiment, jacking system is formed primarily of push rod, further, push rod adopts electric pushrod, and electric pushrod realizes expanding-contracting action, and evaporating dish is then arranged on its end, driven by electric pushrod, follow the expanding-contracting action of electric pushrod, realize rising and the decline of evaporating dish.Annexation in the present embodiment between electric pushrod and evaporating dish has two kinds:
One, can adopt the mode of being fixedly connected with to realize between the end of electric pushrod and the bottom of evaporating dish fastening, and electric pushrod directly drives evaporating dish to move up and down by expanding-contracting action; Its two, set up push-plate, the area of push-plate at least should mate with the floorage of evaporating dish, and the end of electric pushrod is connected with bottom push-plate, and evaporating dish is placed in push-plate, and electric pushrod, by driving push-plate action, then drives evaporating dish action by push-plate.
Weighing system is for weighing the weight of water in evaporating dish, and weighing system comprises scale, scale base and the scale pan, and when evaporating dish is placed on the scale pan by electric pushrod drive, evaporating dish no longer should be subject to the power of electric pushrod, makes it keep free state to weigh.Electric pushrod drives evaporating dish to depart from scale, when namely not weighing, for non-measured state, electric pushrod drive evaporating dish place it in scale is weighed time, for measuring state, in the present embodiment, electric pushrod drives evaporating dish to drop to weighing system and weighs, after completing weighing measurement, evaporating dish is driven to climb away weighing system.Based on above-mentioned design, in the present embodiment, weighing system is arranged on the bottom of evaporating dish.
By above-mentioned setting, can realize adopting the measurement that the mode of weighing realizes water yield evaporation, thus avoid in prior art and adopt the mode of level gauging to measure the drawback of evaporation capacity.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, push rod adopts air-leg or hydraulic push rod, and the power resources of push rod action are provided by air pressure or hydraulic pressure.
Embodiment 3
The difference of the present embodiment and embodiment 1 is, in the present embodiment, electric pushrod drives evaporating dish to rise to weighing system and weighs, and after completing weighing measurement, drives evaporating dish decline to depart from weighing system and weighs.Based on above-mentioned design, in the present embodiment, weighing system is arranged on top or the middle part of evaporating dish.
Embodiment 4
The difference of the present embodiment and embodiment 1 is, in the present embodiment, evaporating dish is departed from weighing system and is placed on action on weighing system and no longer realized by the elevating movement in vertical or vertical direction, but realized by the mechanical arm with multiple degrees of freedom (more than Three Degree Of Freedom), now, overlying relation between evaporating dish and weighing system is not then particularly limited, the process that mechanical arm is realized evaporating dish disengaging by action and is placed on weighing system.
Embodiment 5
The present embodiment has also done further improvement on the basis of embodiment 1, specific as follows: water charging system is set, water charging system is primarily of filling pipe and pump assembly composition, wherein, pump is arranged on base plate, supporting being provided with of filling pipe drives its device being communicated with evaporating dish/disconnecting, and usually, this device can be realized by motor.The effect of filling pipe is, after moisture evaporation to the greatest extent in evaporating dish, by pump and filling pipe to supplementing water in evaporating dish, under general state, filling pipe is not communicated with evaporating dish, and meanwhile, pump is also in closed condition, after in evaporating dish, moisture is detected evaporation to the greatest extent, then control pump starts and is communicated with filling pipe and evaporating dish.In the present embodiment, by driven by motor, it rotates and realizes and being communicated with or disconnection of evaporating dish filling pipe, and motor is installed by motor mounting plate, and specifically, the output shaft of motor is connected with one end of filling pipe by rotating connector.Under non-water compensating state, filling pipe is turned to side by driven by motor, and the mouth of pipe of filling pipe departs from evaporating dish, and under water compensating state, then filling pipe is turned to evaporating dish side by driven by motor, and its mouth of pipe is positioned at the top of evaporating dish opening.
In another embodiment, filling pipe does not rotate, and its one end is connected with pump, and realize the connection with external water source, the other end is connected with evaporating dish, filling pipe is arranged controlled valve, usually, is preferably solenoid valve, so that Long-distance Control.
Embodiment 6
The present embodiment has also done further improvement on the basis of embodiment 1, specific as follows: to arrange unwatering system, unwatering system is primarily of drainpipe and pump composition, and drainpipe one end is connected on evaporating dish, the other end is connected with pump, its effect is, when hypervolia in evaporating dish, when can have influence on measurement, by drainpipe, draining is carried out to evaporating dish, draining action is controlled by pump, and this pump can be arranged separately, also can share a pump with the water charging system in embodiment 5.
In another embodiment, drainpipe does not connect pump, and one end connects evaporating dish, and the other end extends to the outside of equipment, and drainpipe arranges controlled valve, usually, is preferably solenoid valve, so that Long-distance Control.
The mode that embodiment 5 and embodiment 6 adopt filling pipe and drainpipe separately to design, it should be noted that filling pipe and drainpipe also can share a pipeline, it also should belong to the protection domain of the present patent application.
Embodiment 7
Realizing gravimetric method measurement, while solving the problem of existing liquid level method measurement, also face another technical barrier: the practical operation of prior art is manual measurement, and the observation of evaporate station is year in year out, a usual evaporate station is at least observed once for one day, some dedicated evaporation stations even need observation for one day repeatedly, and evaporate station is many in field, wilderness, and such observation cost is very high.The present embodiment, on the basis of the evaporator disclosed in any one of embodiment 1-6 or combination in any, is also integrated with automatic control system, to realize the Long-distance Control to each component actuation of evaporator.This system includes background control system, information collecting device, communicator; Wherein, background control system is used for receiving, processing data message, assigns corresponding steering order; Information collecting device mainly comprises the device gathering weighing system reading, the device gathering the water yield in evaporating dish, gathers the device of filling pipe rate of water make-up, gathers the device of drainpipe water discharge, said apparatus all can adopt corresponding sensor to realize, as: LOAD CELLS, flow sensor, liquid level sensor etc.Communicator, for realizing evaporator and the information between information collecting device and background control system, command transfer.The information that information collecting device gathers includes weight information, the water discharge information of drainpipe, the rate of water make-up information of filling pipe of evaporating dish and the interior water yield thereof, and the water level information etc. of the water yield in evaporating dish.Communicator can be wire communication device, also can be radio communication device.
Based on said structure, the process that evaporator realizes measuring automatically is as follows:
(1) within a measuring period, evaporating dish is placed on weighing system and weighs by background control system first control action topworks, obtains original weight information;
(2) evaporating dish is departed from weighing system by background control system control action topworks, makes evaporating dish enter evaporation duty;
(3) after evaporation after a while, evaporating dish is placed on weighing system and weighs by background control system control action topworks, obtains real-time weight information; Wherein, the time can be the preset value arranged in background control system, for determining measuring period;
(4) background control system is according to measuring the primary data information (pdi) and real time data information that obtain, calculates evaporation capacity, completes measurement.
Above-mentioned control, measurement, all by operated from a distance, are in the action without the need to staff, and according to the measuring period arranged, can realizing measurement secondary more than a day, efficiently avoid prior art by manually completing the drawback of test.
When in evaporating dish, moisture is less, when having had influence on measurement, just need to moisturizing in evaporating dish, the present embodiment is based on automatic control system, after the information collecting the water yield in evaporating dish, be sent to background control system, background control system the need of moisturizing, if desired, then controls water charging system work according to the threshold decision of setting, moisturizing in evaporating dish, meanwhile, the information of rate of water make-up is gathered by corresponding device, is then sent to background control system, for the calculating of evaporation capacity, guarantee that the later stage calculates the accuracy of the result of evaporation capacity.
When excess moisture in evaporating dish, when having had influence on measurement result, as: overflow, now, background control system then can control unwatering system work, discharges the water yield in evaporating dish, meanwhile, discharges the water yield and also should carry out measuring and transferring to background control system.Wherein, in evaporating dish, runny standard can arrange a standard value by background control system, and the value that is above standard then represents excess moisture, needs to discharge.
The embodiment that above-described embodiment is not single, those skilled in the art are under the prerequisite knowing above-mentioned embodiment, and can also carry out any two or multinomial combination to above-mentioned embodiment, it also should belong to the protection domain of the present patent application.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on above-mentioned design concept; for solving same technical matters; even if some making on architecture basics disclosed in this invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (11)
1. an evaporator, is characterized in that, comprises evaporating dish (2), weighing system and action actuating mechanism; When described evaporating dish is placed on described weighing system, described weighing system is weighed to described evaporating dish, and described evaporating dish (2) realizes disengaging between described weighing system and placement by described action actuating mechanism.
2. evaporator according to claim 1, is characterized in that, described action actuating mechanism is jacking system, and described evaporating dish realizes the lifting action at above-below direction by described jacking system, realizes the disengaging between described weighing system and placement thus.
3. evaporator according to claim 2, is characterized in that, described jacking system comprises push rod (10), and described evaporating dish (2) is arranged on the end of described push rod (10).
4. evaporator according to claim 3, is characterized in that, described jacking system also comprises push-plate (11), and described push-plate (11) is arranged on the end of described push rod (10).
5. evaporator according to claim 1, is characterized in that, described action actuating mechanism is mechanical arm.
6. evaporator according to claim 1, is characterized in that, also comprises the water pipe (3) that one end is connected with outside, the other end is connected with described evaporating dish (2).
7. automatically evaporate a measuring system, it is characterized in that, comprise evaporator as claimed in claim 6, background control system, information collecting device, and realize the communicator that background control system communicates with between evaporator, information collecting device; Described information collecting device comprises the device of the device gathering weighing system reading, the device gathering the water yield in evaporating dish, collection water pipe rate of water make-up/water discharge.
8. the implementation method of evaporator according to claim 1, is characterized in that, comprises the following steps:
(1) weighing system weighs the step of evaporating dish original weight;
(2) evaporating dish departs from weighing system, carries out the step of evaporating operation;
(3) after pervaporation, weighing system weighs the step of the real-time weight of evaporating dish;
(4) step of evaporation capacity is calculated according to original weight and real-time weight data.
9. the implementation method of evaporator according to claim 8, is characterized in that, also comprises: when in evaporating dish during water shortage, by the step of water pipe to moisturizing in evaporating dish; When in evaporating dish during hypervolia, discharged the step of water in evaporating dish by water pipe;
Wherein, in evaporating dish, the standard of water shortage is the lower limit of evaporating dish internal memory moisture storage capacity; The upper limit being labeled as evaporating dish internal memory moisture storage capacity of hypervolia in evaporating dish.
10. the implementation method of automatic evaporation measuring system according to claim 7, is characterized in that, comprise the following steps:
(1) evaporating dish is placed on step weighing system weighing original weight by background control system control action topworks;
(2) background control system control action topworks makes evaporating dish depart from weighing system, carries out the step of evaporating operation;
(3) after the evaporation time T set through background control system, evaporating dish is placed on step weighing system weighing real-time weight by background control system control action topworks;
(4) background control system calculates the step of evaporation capacity according to original weight and real-time weight data.
The implementation method of 11. automatic evaporation measuring systems according to claim 10, is characterized in that, also comprise:
When collecting water shortage in evaporating dish, background control system controls the step of water pipe to moisturizing in evaporating dish according to feedack;
When collecting hypervolia in evaporating dish, bench control system controls according to feedack the step that water in evaporating dish discharged by water pipe,
Wherein, in evaporating dish, the criterion of water shortage is the lower limit of the water yield in the evaporating dish preset of background control system, and in evaporating dish, the criterion of hypervolia is the higher limit of the water yield in the evaporating dish preset of background control system.
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| CN201610044122.XA CN105571977A (en) | 2016-01-22 | 2016-01-22 | Evaporator and implementation method thereof |
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| CN201610044122.XA CN105571977A (en) | 2016-01-22 | 2016-01-22 | Evaporator and implementation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106442206A (en) * | 2016-09-30 | 2017-02-22 | 中国科学院遗传与发育生物学研究所 | Water surface evaporation automatic measurement device for eliminating rainfall influence |
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Application publication date: 20160511 |
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