CN211971821U - Tap water ultrasonic dechlorination device - Google Patents
Tap water ultrasonic dechlorination device Download PDFInfo
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- CN211971821U CN211971821U CN202020047414.0U CN202020047414U CN211971821U CN 211971821 U CN211971821 U CN 211971821U CN 202020047414 U CN202020047414 U CN 202020047414U CN 211971821 U CN211971821 U CN 211971821U
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- 235000020679 tap water Nutrition 0.000 title claims abstract description 22
- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 17
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- 238000005452 bending Methods 0.000 claims abstract description 30
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- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 abstract description 26
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052801 chlorine Inorganic materials 0.000 abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
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Abstract
The utility model discloses a tap water ultrasonic dechlorination device, which comprises two bending vibration bodies, a variable cross-section stress screw rod, a first balancing weight, a second balancing weight, 4N piezoelectric ceramic plates, a flange plate and two pre-tightening nuts; the variable cross-section stress screw comprises a first connecting column, a first round table, a double-end screw, a second round table and a second connecting column which are coaxially and fixedly connected in sequence; the two pretightening nuts are respectively in threaded connection with two ends of the double-head screw, and the first balancing weight, the N piezoelectric ceramic pieces, the flange plate, the N piezoelectric ceramic pieces and the second balancing weight are fixed on the double-head screw; the other ends of the first connecting column and the second connecting column are respectively and rigidly connected with the centers of the outer end faces of the closed ends of the two bending vibration bodies. When the device works, the variable cross-section stress screw and the two bending vibration bodies are excited to generate an ultrasonic field radiated in all directions, and residual chlorine element in tap water is purified. The utility model discloses simple structure, low power dissipation, and do not produce secondary pollution.
Description
Technical Field
The utility model relates to a domestic water remains chlorine residue and gets rid of technical field, especially relates to a running water supersound dechlorination device.
Background
Chlorine is widely used in the sterilization of water treatment because it has a strong inactivation effect on pathogenic microorganisms. However, the treated water contains residual chlorine, which can affect and harm the taste of drinking water, human health, food and beverage quality, ion exchange and membrane separation technical equipment. In particular, chlorination of tap water is effective in killing germs, but also produces a large amount of halogenated hydrocarbon compounds, and the content of chlorinated organic compounds is multiplied, which is a serious source of various diseases for human beings. The main purpose of the chlorination of public water supply is to prevent water from spreading diseases, the method has been popularized for more than 110 years so far, has relatively perfect production technology and equipment, most domestic and foreign waterworks still adopt the technological methods of precipitation, filtration, chlorination and disinfection so far, and river water or underground water is simply processed into drinkable water.
The water containing residual chlorine can destroy the nutrient components of vitamins, minerals and the like in vegetables, fruits and grains and seriously affect the absorption of nutrient substances by human bodies. Chlorine used in tap water can be absorbed rapidly and easily by any oxidation surface layer with capillary pores such as skin, nostril, oral cavity, lung, hair, eye, meat, vegetable, etc. Because the surface layer of human skin is covered by pores and sweat glands, residual chlorine can easily enter the human body through the fine pores to be absorbed at the moment of contact with tap water. Bathing with tap water containing residual chlorine, wherein four of the total chlorine in the bathroom is inhaled through respiratory tract, the three chlorine is absorbed by skin, and is 6-8 times of chlorine entering human body by drinking, mild people generate pruritus, and the carcinogenic rate of middle-aged people is increased by 30% in the long term. After the chlorine is heated, the chlorine and organic humus in water generate carcinogenic substances such as trichloromethane, the trichloromethane is increased by 3-4 times compared with tap water, and if the residual chlorine cannot be removed, the carcinogenic substances are increased by 3-4 times in the body of the coffee, tea or soup drunk by people every day after the coffee, tea or soup is heated and boiled for drinking. Long-term drinking of water containing residual chlorine can greatly increase the incidence rate of heart diseases, coronary atherosclerosis, anemia, bladder cancer, liver cancer, rectal cancer, hypertension, allergy and other diseases.
The removal of residual chlorine from water has become an important issue in order to avoid the harm caused by residual chlorine. A scheme for efficiently removing residual chlorine in water is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defect that involves in the background art provides a tap water supersound dechlorination device.
The utility model adopts the following technical scheme to solve the technical problems
An ultrasonic tap water dechlorination device comprises a first bending vibration body, a second bending vibration body, a variable cross-section stress screw rod, a first balancing weight, a second balancing weight, 4N piezoelectric ceramic plates, a flange plate, a first pre-tightening nut and a second pre-tightening nut, wherein N is a natural number which is more than or equal to 1;
the first bending vibration body and the second bending vibration body have the same structure and are hollow metal cylinders with one open end and one closed end;
the variable cross-section stress screw comprises a first connecting column, a first round table, a double-head screw, a second round table and a second connecting column, wherein the smaller ends of the first round table and the second round table are coaxially and fixedly connected with one ends of the first connecting column and the second connecting column respectively, and the larger ends of the first round table and the second round table are coaxially and fixedly connected with two ends of the double-head screw respectively; the diameter of the smaller end of the first round platform is larger than or equal to the diameter of the section of the first connecting column, and the diameter of the larger end of the first round platform is smaller than or equal to the diameter of the section of the double-ended screw; the variable cross-section stress screw is centrosymmetric;
the first balancing weight, the second balancing weight and the 4N piezoelectric ceramic plates are all in a circular ring shape;
the flange plate is provided with a through hole for the double-end screw to pass through;
the first pre-tightening nut and the second pre-tightening nut are respectively in threaded connection with two ends of the double-threaded screw, the first balancing weight, the 2N piezoelectric ceramic pieces, the flange plate, the 2N piezoelectric ceramic pieces and the second balancing weight are fixed on the double-threaded screw, the 4N piezoelectric ceramic pieces are tightly pressed to provide pre-tightening force, and the flange plate is located at the center of the double-threaded screw;
the 4N piezoelectric ceramic pieces are longitudinal vibration ceramic pieces and are polarized along the thickness direction, and the polarization directions of the two adjacent piezoelectric ceramic pieces are opposite;
the flange plate is used for fixing the tap water ultrasonic dechlorination device;
and the other ends of the first connecting column and the second connecting column are respectively and rigidly connected with the centers of the outer end faces of the closed ends of the first bending vibration body and the second bending vibration body.
As a further optimization scheme of the tap water ultrasonic dechlorination device, 4N piezoelectric ceramic pieces are all coated with food-grade waterproof glue.
The utility model also discloses a control method of this running water supersound dechlorination device contains following step:
the voltage with the same phase and the frequency of the first-order longitudinal resonance frequency of the variable cross-section stress screw is applied to the 4N piezoelectric ceramic plates, the first-order longitudinal resonance mode of the variable cross-section stress screw is excited, the bending vibration modes of the first bending vibration body and the second bending vibration body are excited at the same time, vibration of an ultrasonic frequency band is generated, ultrasonic waves are radiated upwards, downwards, forwards, backwards, leftwards and rightwards in water in an all-around mode, a strong acoustic cavitation phenomenon is generated in the water, and the decomposition of hypochlorous acid in the water and the elimination of chlorine are accelerated.
The ultrasonic removal of residual chlorine in tap water is a new water purification technology, and the residual chlorine in the tap water mainly comprises HClO and Cl2And ClO—And the like.
The principle of removing residual chlorine in water by ultrasonic wave is as follows: when high intensity ultrasonic waves propagate in a liquid medium, longitudinal waves are generated, thereby creating regions of alternating compression and expansion, which are prone to cavitation and the formation of micro-bubble nuclei in the medium. At the moment of adiabatic shrinkage and collapse, the micro bubble nuclei present high temperature of over 5000 ℃ and pressure of 50000kPa inside, so that the decomposition of hypochlorous acid in water and the discharge of chlorine gas are accelerated, and the aim of efficiently purifying water is fulfilled.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses a running water supersound dechlorination device has simple structure in inside, and the surplus chlorine in aquatic is got rid of thoroughly, low power dissipation, do not produce advantages such as secondary pollution.
Drawings
FIG. 1 is a schematic diagram of the structure of an ultrasonic dechlorination device for tap water;
FIG. 2 is a schematic diagram of the polarization direction and the power-up mode of the piezoelectric ceramic wafer;
fig. 3 is a schematic view of vibration modes of the first bending vibration body, the second bending vibration body and the variable cross-section stress screw.
In the figure, 1-a first bending vibration body, 2-a first connecting column, 3-a first circular truncated cone, 4-a double-headed screw, 5-a first pre-tightening nut, 6-a first balancing weight, 7-a piezoelectric ceramic plate, 8-a flange plate and 9-a second pre-tightening nut.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
In the 30 s of the 20 th century, the first use of ultrasonic cavitation to degas liquids and liquid metals was proposed. Ultrasonic waves are transmitted in liquid, pressure fluctuation can be generated in space and time, and a negative pressure phenomenon occurs. In the negative pressure region, acoustic cavitation occurs and microbubbles are formed. Under the action of ultrasound, a series of dynamic processes of cavitation bubbles occur: oscillate, expand, contract, or even collapse. These activities generate thousands of high temperatures and thousands of atmospheres of high pressure inside the cavitation bubbles. This accelerates the decomposition of hypochlorous acid in the water. At the same time, the ultrasound causes chlorine and oxygen to gradually penetrate into the cavitation bubbles and to be detached from the water by means of the ultrasonic degassing effect, which further promotes the decomposition of hypochlorous acid.
The utility model discloses carry out the high-efficient of aquatic residual chlorine and get rid of based on ultrasonic cavitation principle.
As shown in fig. 1, the utility model discloses a tap water ultrasonic dechlorination device, which comprises a first bending vibration body, a second bending vibration body, a variable cross-section stress screw rod, a first balancing weight, a second balancing weight, 4N piezoelectric ceramic plates, a flange plate, a first pre-tightening nut and a second pre-tightening nut, wherein N is a natural number more than or equal to 1;
the first bending vibration body and the second bending vibration body have the same structure and are hollow metal cylinders with one open end and one closed end;
the variable cross-section stress screw comprises a first connecting column, a first round table, a double-head screw, a second round table and a second connecting column, wherein the smaller ends of the first round table and the second round table are coaxially and fixedly connected with one ends of the first connecting column and the second connecting column respectively, and the larger ends of the first round table and the second round table are coaxially and fixedly connected with two ends of the double-head screw respectively; the diameter of the smaller end of the first round platform is larger than or equal to the diameter of the section of the first connecting column, and the diameter of the larger end of the first round platform is smaller than or equal to the diameter of the section of the double-ended screw; the variable cross-section stress screw is centrosymmetric;
the first balancing weight, the second balancing weight and the 4N piezoelectric ceramic plates are all in a circular ring shape;
the flange plate is provided with a through hole for the double-end screw to pass through;
the first pre-tightening nut and the second pre-tightening nut are respectively in threaded connection with two ends of the double-threaded screw, the first balancing weight, the 2N piezoelectric ceramic pieces, the flange plate, the 2N piezoelectric ceramic pieces and the second balancing weight are fixed on the double-threaded screw, the 4N piezoelectric ceramic pieces are tightly pressed to provide pre-tightening force, and the flange plate is located at the center of the double-threaded screw;
as shown in fig. 2, the 4N piezoelectric ceramic pieces are longitudinal vibration ceramic pieces, and are polarized along the thickness direction, and the polarization directions of two adjacent piezoelectric ceramic pieces are opposite;
the flange plate is used for fixing the tap water ultrasonic dechlorination device;
and the other ends of the first connecting column and the second connecting column are respectively and rigidly connected with the centers of the outer end faces of the closed ends of the first bending vibration body and the second bending vibration body.
And the 4N piezoelectric ceramic sheets are coated with food-grade waterproof glue.
As shown in fig. 3, the utility model also discloses a control method of the tap water ultrasonic dechlorination device, which comprises the following steps:
the voltage with the same phase and the frequency of the first-order longitudinal resonance frequency of the variable cross-section stress screw is applied to the 4N piezoelectric ceramic plates, the first-order longitudinal resonance mode of the variable cross-section stress screw is excited, the bending vibration modes of the first bending vibration body and the second bending vibration body are excited at the same time, vibration of an ultrasonic frequency band is generated, ultrasonic waves are radiated upwards, downwards, forwards, backwards, leftwards and rightwards in water in an all-around mode, a strong acoustic cavitation phenomenon is generated in the water, and the decomposition of hypochlorous acid in the water and the elimination of chlorine are accelerated.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. An ultrasonic tap water dechlorination device is characterized by comprising a first bending vibration body, a second bending vibration body, a variable cross-section stress screw rod, a first balancing weight, a second balancing weight, 4N piezoelectric ceramic plates, a flange plate, a first pre-tightening nut and a second pre-tightening nut, wherein N is a natural number more than or equal to 1;
the first bending vibration body and the second bending vibration body have the same structure and are hollow metal cylinders with one open end and one closed end;
the variable cross-section stress screw comprises a first connecting column, a first round table, a double-head screw, a second round table and a second connecting column, wherein the smaller ends of the first round table and the second round table are coaxially and fixedly connected with one ends of the first connecting column and the second connecting column respectively, and the larger ends of the first round table and the second round table are coaxially and fixedly connected with two ends of the double-head screw respectively; the diameter of the smaller end of the first round platform is larger than or equal to the diameter of the section of the first connecting column, and the diameter of the larger end of the first round platform is smaller than or equal to the diameter of the section of the double-ended screw; the variable cross-section stress screw is centrosymmetric;
the first balancing weight, the second balancing weight and the 4N piezoelectric ceramic plates are all in a circular ring shape;
the flange plate is provided with a through hole for the double-end screw to pass through;
the first pre-tightening nut and the second pre-tightening nut are respectively in threaded connection with two ends of the double-threaded screw, the first balancing weight, the 2N piezoelectric ceramic pieces, the flange plate, the 2N piezoelectric ceramic pieces and the second balancing weight are fixed on the double-threaded screw, the 4N piezoelectric ceramic pieces are tightly pressed to provide pre-tightening force, and the flange plate is located at the center of the double-threaded screw;
the 4N piezoelectric ceramic pieces are longitudinal vibration ceramic pieces and are polarized along the thickness direction, and the polarization directions of the two adjacent piezoelectric ceramic pieces are opposite;
the flange plate is used for fixing the tap water ultrasonic dechlorination device;
and the other ends of the first connecting column and the second connecting column are respectively and rigidly connected with the centers of the outer end faces of the closed ends of the first bending vibration body and the second bending vibration body.
2. The ultrasonic dechlorination device of tap water according to claim 1, wherein the 4N piezoelectric ceramic plates are coated with food-grade waterproof glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047414.0U CN211971821U (en) | 2020-01-09 | 2020-01-09 | Tap water ultrasonic dechlorination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020047414.0U CN211971821U (en) | 2020-01-09 | 2020-01-09 | Tap water ultrasonic dechlorination device |
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| CN211971821U true CN211971821U (en) | 2020-11-20 |
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| CN202020047414.0U Withdrawn - After Issue CN211971821U (en) | 2020-01-09 | 2020-01-09 | Tap water ultrasonic dechlorination device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099693A (en) * | 2020-01-09 | 2020-05-05 | 南京航空航天大学 | Tap water ultrasonic dechlorination device and working method thereof |
| CN113669469A (en) * | 2021-07-26 | 2021-11-19 | 南京航空航天大学 | Piezoelectric metering valve |
-
2020
- 2020-01-09 CN CN202020047414.0U patent/CN211971821U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099693A (en) * | 2020-01-09 | 2020-05-05 | 南京航空航天大学 | Tap water ultrasonic dechlorination device and working method thereof |
| CN111099693B (en) * | 2020-01-09 | 2023-12-29 | 南京航空航天大学 | Ultrasonic tap water chlorine removal device and working method thereof |
| CN113669469A (en) * | 2021-07-26 | 2021-11-19 | 南京航空航天大学 | Piezoelectric metering valve |
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