CN101451921A - Scale prevention and scale remove by utilizing ultrasonic cavitation and test method and device for anti-scaling and descaling effect - Google Patents
Scale prevention and scale remove by utilizing ultrasonic cavitation and test method and device for anti-scaling and descaling effect Download PDFInfo
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- CN101451921A CN101451921A CNA2007101787688A CN200710178768A CN101451921A CN 101451921 A CN101451921 A CN 101451921A CN A2007101787688 A CNA2007101787688 A CN A2007101787688A CN 200710178768 A CN200710178768 A CN 200710178768A CN 101451921 A CN101451921 A CN 101451921A
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Abstract
A device for preventing and removing dirt by ultrasonic cavitation and a method for testing effect thereof are disclosed, including the steps of: weighting and disposing a testing member in alkaline solution, weighting the testing member at particular time interval under an action of ultrasonic wave to obtain dirt-preventing and removing effect. The device for realizing the method includes: a vessel with the alkaline solution inside; a heater for heating the alkaline solution within the vessel; a testing member support which is disposed with the vessel and on which the testing member is disposed with being immersed in the alkaline solution; an ultrasonic generator connected with a transducer; a temperature controller respectively connected with the heater and a temperature sensor. The invention can be extensively applied to intensification of heat transfer and process test of dirt prevention and removal of a variety of metallic wall faces, and can research on influence laws of each factor to dirt prevention and removal by changing parameters like solution temperature, solution concentration and ultrasonic intensity.
Description
Technical field
The present invention relates to a kind of method of testing of utilizing anti-scale removal of ultrasonic cavitation and effect thereof.
The invention still further relates to the device of realizing said method.
Background technology
Have the serious energy dissipation phenomenon that produces because of the medium fouling in the industrial general heat transmission equipment, incrustation is the very low material of a kind of capacity of heat transmission, is to constitute the main resistance that conducts heat.Incrustation not only directly causes the heat transmission equipment heat transfer property to descend, and increases operation and maintenance cost, and shortens its serviceable life, even produce potential safety hazard and serious environmental pollution.For this reason, the annual cost huge fund that needs is carried out scale removal work, causes a large amount of wastes of manpower and financial resources; Simultaneously since traditional handicraft fall behind, complicated operating process, environmental pollution is serious, cures the symptoms, not the disease often, makes the total system fluctuation of service, energy consumption is excessive, can not the rational and efficient use energy and performance existing equipment productive capacity.Therefore, provide a kind of device that is used to test the anti-scale removal effect of heat transmission equipment to press for very much, can develop anti-scale removal augmentation of heat transfer and the conservation measures that is applicable to heat transmission equipment targetedly by test.
Summary of the invention
The object of the present invention is to provide a kind of method of testing of utilizing anti-scale removal of ultrasonic cavitation and effect thereof.
Another purpose of the present invention is to provide a kind of device that is used to realize said method.
For achieving the above object, the method for testing of utilizing anti-scale removal of ultrasonic cavitation and effect thereof provided by the invention the steps include:
With the test block weighing, place alkaline solution, under the ultrasound wave effect,, obtain anti-scale removal effect at set intervals to this test block weighing.
Described method, wherein, this test block is a metal material.
Described method, wherein, this alkaline solution is a kind of or mixed solution in lime carbonate, calcium bicarbonate, the magnesium carbonate.
The device that is used to realize said method provided by the invention, it comprises:
One container, built-in alkaline solution;
One well heater is used for the alkaline solution in the container is heated;
One test block support places in the container; Put test block on the test bracket, test block immerses in the alkaline solution;
One ultrasonic generator connects a transducer;
One temperature controller connects well heater and temperature sensor respectively.
Described device, wherein, the test block support is a ring support.
Described method, wherein, this test block is a metal material.
Described device, wherein, test block lays respectively at ring support apart from center of circle diverse location place.
Described method, wherein, this alkaline solution is a kind of or mixed solution in lime carbonate, calcium bicarbonate, the magnesium carbonate.
Described device, wherein, the end-to-end distance of transducer is from alkaline solution 1-2cm.
Description of drawings
Fig. 1 is the synoptic diagram of proving installation of the present invention.
Fig. 2 is the scheme of installation of test block among Fig. 1, wherein:
Fig. 2 a is a front view, and Fig. 2 b is a vertical view.
Fig. 3 is an effect comparison synoptic diagram of the present invention.
Label declaration in the accompanying drawing:
1 container
2 transducers
3 excusing from death wave producers
4 temperature sensors
5 temperature controllers
6 well heaters
7 test block supports
8 test blocks
Embodiment
The present invention utilizes the ultrasound wave heat exchanging equipment to prevent scale removal and measure of merit, for effect of the present invention is described, describes for an embodiment.
Fig. 1 is the synoptic diagram that is provided with that is used to illustrate effect of the present invention.Mainly form by experiment container 1, ultrasonic transducer 2, ultrasonic generator 3, temperature sensor 4, temperature controller 5, well heater 6, test specimen fixed mount 7, test block 8.Experiment container 1 is that a diameter is the Stainless Steel hydrostatic column of 300mm, high 200mm, and the container outside is provided with heat-insulation layer to reduce the thermal loss of system.The frequency of ultrasonic transducer 2 is that 14～20kHz is adjustable, and electric power is adjustable in 0～250W, and the test specimen fixed mount is that a diameter is the cylindrical stainless steel frame of 80mm, high 120mm, and test block 8 is the scale copper of 10mm * 30mm.The condition of present embodiment is: ultrasound intensity is that 0.3A, solution temperature are 30 ℃.
At first test block is carried out weighing with electronic balance, respectively the test block behind the weighing is fixed on the inboard and the outside diverse location place of erecting frame, open heating and temperature control instrument, solution is heated to 30 ℃, fixed mount is put into the container 1 that fills the calcium bicarbonate aqueous solution.One time period of every interval (present embodiment be at interval 8 hours) takes out test block and puts into container again behind airing, the weighing and continue to do experiment, so repeats to finish until whole experiment.By curve A among Fig. 3 as can be seen, along with the prolongation of time, the quality of test block is increasing always, and illustrating is not having ultrasound wave to do the time spent, and the incrustation scale of attached work (calcium bicarbonate) is increasing on the test block.
Similarly, respectively the test block behind the weighing is fixed on the inboard and the outside diverse location place of erecting frame, makes them different with hyperacoustic distance.Ultrasonic transducer is inserted in the container, and the about 1-2cm of end-to-end distance liquid level of ultrasonic transducer opens ultrasonic generator then, and ultrasonic intensity is 0.3A, writes down simultaneously and control that the temperature of solution remains on 30 ℃ in the container.Every test block the taking-up through 8 hours put into container again behind airing, the weighing and continued to do experiment, so repeats to finish until whole experiment.By curve B, C, D among Fig. 3 as can be seen, be positioned at apart from the test block quality prolongation in time at supersonic source diverse location place and alleviate gradually, especially place its quality of test block of erecting frame inboard the lightest, can determine concrete working condition according to test result, to reach optimum efficiency with the anti-scale removal of ultrasound wave.
The present invention can be widely used in the heat conduction reinforced and procedural test of anti-scale removal of all kinds of metal walls, also can study the influence rule of each factor to anti-scale removal by changing parameters such as solution temperature, solution concentration and ultrasound intensity.
Claims (9)
1, a kind of method of testing of utilizing the anti-scale removal effect of ultrasonic cavitation the steps include:
With the test block weighing, place alkaline solution, under the ultrasound wave effect every a time period to this test block weighing, obtain anti-scale removal effect.
2, the method for claim 1, wherein this test block is a metal material.
3, the method for claim 1, wherein this alkaline solution is an a kind of or mixed solution in lime carbonate, calcium bicarbonate, the magnesium carbonate.
4, a kind of device that is used to realize the described method of claim 1, it comprises:
One container, built-in alkaline solution;
One well heater is used for the alkaline solution in the container is heated;
One test block support places in the container; Put test block on the test bracket, this test block immerses in the alkaline solution;
One ultrasonic generator connects a transducer;
One temperature controller connects well heater and temperature sensor respectively.
5, device as claimed in claim 4, wherein, the test block support is a ring support.
6, as claimed in claim 4 putting, wherein, this test block is a metal material.
7, device as claimed in claim 4, wherein, test block lays respectively at ring support apart from center of circle diverse location place.
8, as claimed in claim 4 putting, wherein, this alkaline solution is a kind of or mixed solution in lime carbonate, calcium bicarbonate, the magnesium carbonate.
9, device as claimed in claim 4, wherein, the end-to-end distance of transducer is from alkaline solution liquid level 1-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101787688A CN101451921A (en) | 2007-12-05 | 2007-12-05 | Scale prevention and scale remove by utilizing ultrasonic cavitation and test method and device for anti-scaling and descaling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101787688A CN101451921A (en) | 2007-12-05 | 2007-12-05 | Scale prevention and scale remove by utilizing ultrasonic cavitation and test method and device for anti-scaling and descaling effect |
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| Publication Number | Publication Date |
|---|---|
| CN101451921A true CN101451921A (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101787688A Pending CN101451921A (en) | 2007-12-05 | 2007-12-05 | Scale prevention and scale remove by utilizing ultrasonic cavitation and test method and device for anti-scaling and descaling effect |
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| CN (1) | CN101451921A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878752A (en) * | 2022-05-19 | 2022-08-09 | 中北大学 | Double-frequency ultrasonic cavitation experimental device with multiple degrees of freedom |
-
2007
- 2007-12-05 CN CNA2007101787688A patent/CN101451921A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878752A (en) * | 2022-05-19 | 2022-08-09 | 中北大学 | Double-frequency ultrasonic cavitation experimental device with multiple degrees of freedom |
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Open date: 20090610 |