WO2018147769A1 - Device for treating aqueous media in a flow - Google Patents
Device for treating aqueous media in a flow Download PDFInfo
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- WO2018147769A1 WO2018147769A1 PCT/RU2018/000073 RU2018000073W WO2018147769A1 WO 2018147769 A1 WO2018147769 A1 WO 2018147769A1 RU 2018000073 W RU2018000073 W RU 2018000073W WO 2018147769 A1 WO2018147769 A1 WO 2018147769A1
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- Prior art keywords
- ultrasonic
- ultraviolet
- housing
- emitters
- treatment
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- 239000012736 aqueous medium Substances 0.000 title claims abstract description 36
- 238000002604 ultrasonography Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 26
- 230000005855 radiation Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 8
- 244000005706 microflora Species 0.000 abstract description 6
- 230000001717 pathogenic effect Effects 0.000 abstract description 6
- 239000010840 domestic wastewater Substances 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 3
- 239000002352 surface water Substances 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
Definitions
- the invention relates to the protection of the environment, and in particular to the field of purification and disinfection of industrial and domestic wastewater, as well as surface water sources from various types and types of contaminants, and can be used to treat aqueous media in the duct.
- a device for processing in a flow of aqueous media from various in appearance and nature of contaminants containing a cylindrical body with nodes for supplying water for processing, ultraviolet treatment located inside the cylindrical body, ultrasonic treatment and removal of treated water, in which the ultraviolet water treatment unit consists, at least two ultraviolet emitters equipped with protective covers made of a material that is transparent to ultraviolet radiation, and located parallel to the forming cylin at least one concentric circle, and the ultrasonic processing unit consists of at least two ultrasonic emitters located along the axis of the cylindrical body in two or more rows, while in each row one ultrasonic emitter is located on the axis of the body, and the rest - at least on one concentric circle, ultrasonic and ultraviolet emitters alternate from the axis of the housing to its inner surface, and the distance between the ultrasonic emitters is afioletovymi emitters, ultrasound and ultraviolet emitters are multiples of the length of the half-wave ultrasound.
- the disadvantages of the known device are the heterogeneity of the distribution of ultrasonic vibrations in the volume of the treated aqueous medium, which does not allow to increase the degree of its cleaning and disinfection, as well as the insufficient strength of the device under conditions of high pressures.
- a device for reagent-free disinfection of a liquid comprising a housing with water supply and drainage units, sources of ultraviolet radiation with protective covers made of a material transparent to ultraviolet rays, ultrasonic emitters, as well as one or more inserts located in the body in the form of an extended body, on the inner sides of which are ultrasonic emitters, while on the outer side of the case can also be located ultrasonic emitters in nodes of maximum intensity natural oscillations configured to synchronously or with different resonant frequency ultrasound emitters disposed on the inner sides of the inserts.
- the disadvantages of the known device are its high energy intensity, because to ensure a uniform distribution of the intensity of ultrasonic vibrations over the processed volume of the aqueous medium and to achieve a high degree of disinfection, a large number of ultrasonic emitters with high energy input are required, which must provide the amplitude of surface vibrations necessary for cavitation in the aqueous medium outer casing and casing inserts.
- the closest in technical essence to the proposed (prototype) is a device for processing aqueous media in the duct, containing a cylindrical body with nodes supplying the aqueous medium for processing, removal of the treated aqueous medium, UV treatment, consisting of two or more ultraviolet emitters equipped with protective covers made of material transparent to ultraviolet radiation, and parallel to the generatrix of the cylindrical body, at least one concentric circle centered on cylindrical body, an ultrasonic processing unit, consisting of two or more ultrasonic emitters located in two or more rows along the axis of the cylindrical body, mounted in the cylindrical body one or more in each row around the circumference of the cylindrical body with an offset in each next row by (360: (2 p) deg., where n is the number of ultrasonic emitters in a row, starting from 1, and made of two or more cylindrical steps, with the diameter of each next step being less than the diameter of the previous one, and the length of the generatrix and the diameter of each step being a multiple of a quarter of the ultrasound wavelength, two and
- the disadvantages of the known device are the heterogeneity of the distribution of ultrasonic vibrations in the volume of the treated aqueous medium, which does not allow to increase the degree of its purification and disinfection, as well as the insufficient strength of the device at high pressures. Disclosure of invention
- the technical problem is the improvement of a universal device for processing in the flow of the source of aqueous media containing any composition of contaminants, with increased strength of the casing and low energy consumption.
- the technical result from the use of the proposed device is to increase the degree of purification of aqueous media from various in their composition contaminants and disinfection from pathogenic microflora by increasing the efficiency of exposure to ultrasound while reducing energy consumption.
- the device has increased strength of the housing, which is important when it is used in high pressure.
- the device for processing aqueous media in the duct containing a cylindrical body with end walls and nodes for supplying water for processing, ultraviolet treatment, ultrasonic treatment and removal of treated water
- the UV processing unit is located inside the cylindrical case and consists of at least two ultraviolet emitters equipped with protective covers of a material transparent to ultraviolet radiation, and is located nnyh parallel to the generatrix of the cylindrical body, at least one concentric circle
- the ultrasonic processing unit consists of at least two ultrasonic emitters, is equipped with at least two waveguides of bending vibrations made in the form of rods, a length multiple of the half wavelength of ultrasound, rigidly fixed in the end walls of the cylindrical body
- ultrasonic emitters are mounted on the outside of the cylindrical cases, acoustically isolated by sealed attachment points from the case and equipped with submersible sonotrodes of longitudinal vibrations of a cylindrical shape, the length of which is a multiple of the length of an ultrasound half-wave AUC, and each
- each bending waveguide is connected to the sonotrode at a node of maximum intensity of the bending vibration of the waveguide.
- Fig. 1 schematically shows a device for treating aqueous media in a duct; in Fig.2 - section and view along AA in Fig.l; Fig. 3 shows a section and a view along the explosive in Fig. 1; Fig. 4 - node C in Fig. 2 - connection of the sonotrode to the waveguide of bending vibrations; in Fig. 5 - node D in Fig. 1 - fastening of waveguides of bending vibrations to the end wall of a cylindrical body; in Fig. 6 is a conditional image of the connection of the sonotrode of the ultrasonic emitter with the waveguide of bending vibrations in the node of maximum intensity of the bending vibrations of the waveguide. Fig. 7-10 depict various embodiments of the rods of waveguides of bending vibrations.
- a device for treating aqueous media in a duct (Fig.l, Fig.2) consists of a cylindrical body 1 with end walls 2 and contains a water supply unit for treatment 3, a treated water removal unit 4 (Fig.3), an ultraviolet treatment unit, located parallel to the generatrix of the cylindrical body 1 inside it, at least one concentric circle, and consisting of at least two ultraviolet emitters 5, equipped with protective covers made of a material transparent to ultraviolet radiation, and an ultrasonic processing unit, consisting of at least two ultrasonic emitters 6 mounted on the outer side of the cylindrical body 1 with acoustic isolation from the housing 1 due to sealed attachment points 8.
- Ultrasonic emitters 6 at the ends are equipped with immersed sonotrodes of longitudinal vibrations cylindrical shape 9 (Fig.
- At least two bending waveguides 7 are arranged inside the housing 1, made in the form of rods of various configurations (Fig. 7-10), a length multiple of the ultrasound half-wave, rigidly fixed in the end walls 2 of the cylindrical body l (Fig. 5) , each of which is connected to at least one sonotrode 9 of the ultrasonic emitter 6. At least one sonotrode 9 of the ultrasonic emitter 6 is connected to the waveguide of bending vibrations 7 at the node of maximum intensity of bending vibrations of the waveguide 7 (Fig.6).
- the distances between ultraviolet emitters, ultrasonic emitters, ultraviolet and ultrasonic emitters are multiples of the half-wave length of ultrasound.
- the device operates as follows.
- the initial aqueous medium to be treated containing various types and types of contamination, is fed through the water supply unit for processing 3 into the cylindrical body 1 of the device for processing aqueous media in the duct, where it is subjected to ultraviolet and ultrasonic radiation in a single acoustic field.
- ultrasonic emitters 6 are equipped with submersible sonotrodes of longitudinal vibrations 9 of a cylindrical shape connected to waveguides of bending vibrations 7 and which are emitters of ultrasonic vibrations. This allows you to achieve greater uniformity in the formation of bubble cavities in the processed volume of the liquid with less energy.
- ultrasonic emitters 6 on the outer side of the housing 1 with their acoustic isolation from the housing 1 by sealed attachment points 8 eliminates the loss of ultrasonic energy on the structural elements of the housing, introduces ultrasonic energy directly into the processed volume of the fluid with minimal energy consumption.
- Evaluation of the reduction in energy consumption is carried out according to the degree of disinfection of pathogenic microflora with equal productivity of plants (m 3 / h) of the treated aqueous medium.
- the criterion is W "hour / m 3 , where W is the energy consumed by the device, and m 3 / hour is the capacity of the installation for processing aqueous media passing through the claimed device to achieve the necessary size of the dose of UV + ultrasonic irradiation (mJ / cm 2), ensuring reduction in the concentration of pathogenic microorganisms in the aqueous medium to a maximum permissible level of 60 mJ / cm in accordance with applicable regulatory DOCUMENT Comrade. It was found that the prototype installation reaches the standard dose at energy consumption of 38 W "hour / m 3 , whereas in an installation with bending waveguides, at energy consumption - 21 W" hour / m 3 .
- the intensity of ultrasonic vibrations is higher than the threshold for the occurrence of cavitation cavities, which increase the degree of disinfection and purification of aqueous media, while in the prototype version there are zones where the radiation is below this threshold.
- the distances between ultraviolet emitters 5, ultrasonic emitters 6, ultraviolet and ultrasonic emitters, as well as the lengths of sonotrodes 9 and waveguides of bending vibrations, multiples of the length of the ultrasound half-wave, also contribute to the uniform distribution of all the factors that affect the cleaning and disinfection of aqueous media.
- the waveguides of bending vibrations 7, rigidly fixed in the end walls 2 of the cylindrical body 1, perform the functions of turbulators and cavitators of the flow of treated aqueous media, and at the same time function as reinforcing couplers of the housing 1, which further intensifies the processing of aqueous media and provides increased strength of the device during its operation in high pressure conditions.
- the purified and disinfected aqueous medium is removed from the device through the treated water outlet 4.
- a device with bending waveguides has a protective effect against pathogenic bacteria, spores and viruses and does not form toxic substances in the treated aqueous medium.
- the use of the proposed device with waveguides of bending vibrations can significantly reduce the specific energy consumption due to a more uniform distribution of the intensity of ultrasonic vibrations throughout the volume of the device.
- the proposed device allows to increase the degree of purification of aqueous media from various in their composition contaminants and disinfection of pathogenic microflora by increasing the efficiency of exposure to ultrasound while reducing energy consumption.
- the device has increased strength of the housing, which is important when it is used in high pressure.
Abstract
A device for treating aqueous media in a flow relates to the purification and disinfection of industrial and domestic wastewater and also surface water sources. The device comprises a cylindrical housing (1) with end walls (2) and assemblies (3) for supplying water for treatment, performing ultraviolet treatment, performing ultrasonic treatment and removing treated water. The assembly for performing ultraviolet treatment consists of ultraviolet radiators (5) arranged parallel to the generatrix of the cylindrical housing, about at least one concentric circle. The assembly for performing ultrasonic treatment consists of ultrasonic radiators (6). Disposed inside the housing (1) are flexural vibration waveguides (7) in the form of rods having a length that is a multiple of an ultrasound half-wavelength, said waveguides being rigidly attached to the end walls of the housing (1). The ultrasonic radiators (6) are mounted on the outside of the housing (1), are acoustically insulated from the housing (1) by sealed fastening assemblies (8), and are provided with submerged cylindrical sonotrodes which transmit longitudinal vibrations, the length of said sonotrodes being a multiple of an ultrasound half-wavelength. A flexural vibration waveguide (7) is connected to a sonotrode. The distances between the ultraviolet radiators (5), the ultrasonic radiators (6), and the ultraviolet radiators (5) and the ultrasonic radiators (6) are multiples of an ultrasound half-wavelength. The invention makes it possible to increase the degree of aqueous media purification and disinfection of pathogenic microflora while reducing energy consumption.
Description
УСТРОЙСТВО ДЛЯ ОБРАБОТКИ ВОДНЫХ СРЕД В ПРОТОКЕ DEVICE FOR PROCESSING WATER MEDIA IN THE FLOW
Область техники Technical field
Изобретение относится к охране окружающей среды, а именно к области очистки и обеззараживания промышленных и бытовых сточных вод, а также поверхностных водоисточников от различных по виду и характеру загрязнений, и может быть использовано для обработки водных сред в протоке. The invention relates to the protection of the environment, and in particular to the field of purification and disinfection of industrial and domestic wastewater, as well as surface water sources from various types and types of contaminants, and can be used to treat aqueous media in the duct.
Предшествующий уровень техники State of the art
Проблемы охраны окружающей среды, в частности очистка и обеззараживание сточных вод от различных по виду и характеру загрязнений, а также снабжение населения питьевой водой высокого качества, в настоящее время выдвигаются на передний план. Сброс в водоемы недостаточно очищенных и обеззараженных производственных и бытовых сточных вод приводит к загрязнению поверхностных водоисточников не только примесями природного происхождения, но и различного рода химическими загрязнениями. Environmental issues, in particular the treatment and disinfection of wastewater from various types and nature of pollution, as well as the supply of high-quality drinking water to the population, are now being brought to the fore. The discharge into water bodies of insufficiently treated and disinfected industrial and domestic wastewater leads to pollution of surface water sources not only with impurities of natural origin, but also with various kinds of chemical pollution.
Известно устройство для обработки в протоке водных сред от различных по виду и характеру загрязнений, содержащее цилиндрический корпус с узлами подачи воды на обработку, обработки ультрафиолетом, расположенным внутри цилиндрического корпуса, ультразвуковой обработки и отвода обработанной воды, в котором узел обработки воды ультрафиолетом состоит, по крайней мере, из двух ультрафиолетовых излучателей, снабженных защитными чехлами из материала, прозрачного для ультрафиолетового излучения, и расположенных параллельно образующей цилиндрического корпуса, по крайней мере, по одной концентрической окружности, а узел ультразвуковой обработки состоит, по крайней мере, из двух ультразвуковых излучателей, расположенных вдоль оси цилиндрического корпуса двумя и более рядами, при этом в каждом ряду один ультразвуковой излучатель расположен на оси корпуса, а остальные - по крайней мере, по одной концентрической окружности, ультразвуковые и ультрафиолетовые излучатели чередуются от оси корпуса к его внутренней поверхности, а расстояния между ультразвуковыми излучателями, ультрафиолетовыми излучателями, ультразвуковыми и ультрафиолетовыми излучателями кратны длине полуволны ультразвука. /Патент RU2183197, C02F 1/32,1/36, 2002/.
Недостатками известного устройства являются неоднородность распределения ультразвуковых колебаний в объеме обрабатываемой водной среды, что не позволяет повысить степень ее очистки и обеззараживания, а также недостаточная прочность устройства в условиях повышенных давлений. A device for processing in a flow of aqueous media from various in appearance and nature of contaminants, containing a cylindrical body with nodes for supplying water for processing, ultraviolet treatment located inside the cylindrical body, ultrasonic treatment and removal of treated water, in which the ultraviolet water treatment unit consists, at least two ultraviolet emitters equipped with protective covers made of a material that is transparent to ultraviolet radiation, and located parallel to the forming cylin at least one concentric circle, and the ultrasonic processing unit consists of at least two ultrasonic emitters located along the axis of the cylindrical body in two or more rows, while in each row one ultrasonic emitter is located on the axis of the body, and the rest - at least on one concentric circle, ultrasonic and ultraviolet emitters alternate from the axis of the housing to its inner surface, and the distance between the ultrasonic emitters is afioletovymi emitters, ultrasound and ultraviolet emitters are multiples of the length of the half-wave ultrasound. / Patent RU2183197, C02F 1 / 32.1 / 36, 2002 /. The disadvantages of the known device are the heterogeneity of the distribution of ultrasonic vibrations in the volume of the treated aqueous medium, which does not allow to increase the degree of its cleaning and disinfection, as well as the insufficient strength of the device under conditions of high pressures.
Известно устройство для безреагентного обеззараживания жидкости, содержащее корпус с узлами подачи и отвода воды, источники ультрафиолетового излучения с защитными чехлами, из материала, прозрачного для ультрафиолетовых лучей, ультразвуковые излучатели, а также одну или несколько вставок, расположенных в корпусе в виде протяженного тела, на внутренних сторонах которых расположены ультразвуковые излучатели, при этом на внешней стороне корпуса также могут быть расположены ультразвуковые излучатели в узлах максимальной интенсивности колебаний, настроенные на синхронную или различную резонансную частоту с ультразвуковыми излучателями, расположенными на внутренних сторонах вставок. /Патент RU 2332358, C02F 1/36, 2008/. A device for reagent-free disinfection of a liquid is known, comprising a housing with water supply and drainage units, sources of ultraviolet radiation with protective covers made of a material transparent to ultraviolet rays, ultrasonic emitters, as well as one or more inserts located in the body in the form of an extended body, on the inner sides of which are ultrasonic emitters, while on the outer side of the case can also be located ultrasonic emitters in nodes of maximum intensity natural oscillations configured to synchronously or with different resonant frequency ultrasound emitters disposed on the inner sides of the inserts. / Patent RU 2332358, C02F 1/36, 2008 /.
Недостатками известного устройства являются его высокая энергоемкость, поскольку для обеспечения однородного распределения интенсивности ультразвуковых колебаний по обрабатьшаемому объему водной среды и достижения высокой степени ее обеззараживания необходимо большое количество ультразвуковых излучателей с высокой подводимой энергией, которые должны обеспечить необходимую для возникновения кавитации в водной среде амплитуду колебаний поверхностей наружного корпуса и корпуса вставок. The disadvantages of the known device are its high energy intensity, because to ensure a uniform distribution of the intensity of ultrasonic vibrations over the processed volume of the aqueous medium and to achieve a high degree of disinfection, a large number of ultrasonic emitters with high energy input are required, which must provide the amplitude of surface vibrations necessary for cavitation in the aqueous medium outer casing and casing inserts.
Наиболее близким по технической сущности к предложенному (прототип) является устройство для обработки водных сред в протоке, содержащее цилиндрический корпус с узлами подачи водной среды на обработку, отвода обработанной водной среды, обработки ультрафиолетом, состоящим из двух и более ультрафиолетовых излучателей, снабженных защитными чехлами из материала, прозрачного для ультрафиолетового излучения, и расположенных параллельно образующей цилиндрического корпуса, по крайней мере, по одной концентрической окружности с центром на оси цилиндрического корпуса, узлом ультразвуковой обработки, состоящим из двух и более ультразвуковых излучателей, расположенных двумя и более рядами вдоль оси цилиндрического корпуса, вмонтированными в цилиндрический корпус по одному и более в каждом ряду по окружности цилиндрического корпуса со смещением в каждом следующем ряду на (360: (2 п)
град., где n - количество ультразвуковых излучателей в ряду, начиная с 1, и выполненными из двух и более цилиндрических ступеней, при этом диаметр каждой следующей ступени меньше диаметра предыдущей, а длина образующей и диаметр каждой ступени кратны четверти длины волны ультразвука, два и более ультразвуковых излучателя в каждом ряду расположены на равных расстояниях один от другого, а расстояния между ультрафиолетовыми излучателями, ультразвуковыми излучателями, ультрафиолетовыми и ультразвуковыми излучателями кратны четверти длины волны ультразвука./WO 2011/016744, C02F 1/32, 1/36, 2011/. The closest in technical essence to the proposed (prototype) is a device for processing aqueous media in the duct, containing a cylindrical body with nodes supplying the aqueous medium for processing, removal of the treated aqueous medium, UV treatment, consisting of two or more ultraviolet emitters equipped with protective covers made of material transparent to ultraviolet radiation, and parallel to the generatrix of the cylindrical body, at least one concentric circle centered on cylindrical body, an ultrasonic processing unit, consisting of two or more ultrasonic emitters located in two or more rows along the axis of the cylindrical body, mounted in the cylindrical body one or more in each row around the circumference of the cylindrical body with an offset in each next row by (360: (2 p) deg., where n is the number of ultrasonic emitters in a row, starting from 1, and made of two or more cylindrical steps, with the diameter of each next step being less than the diameter of the previous one, and the length of the generatrix and the diameter of each step being a multiple of a quarter of the ultrasound wavelength, two and more ultrasonic emitters in each row are located at equal distances from each other, and the distances between ultraviolet emitters, ultrasonic emitters, ultraviolet and ultrasonic emitters are a multiple of a quarter of the length lny ultrasound. / WO 2011/016744, C02F 1/32, 1/36, 2011 /.
Недостатками известного устройства являются неоднородность распределения ультразвуковых колебаний в объеме обрабатываемой водной среды, что не позволяет повысить степень ее очистки и обеззараживания, а также недостаточная прочность устройства в условиях повышенных давлений. Раскрытие изобретения The disadvantages of the known device are the heterogeneity of the distribution of ultrasonic vibrations in the volume of the treated aqueous medium, which does not allow to increase the degree of its purification and disinfection, as well as the insufficient strength of the device at high pressures. Disclosure of invention
Технической проблемой, решение которой обеспечивается осуществлением изобретения, является усовершенствование универсального устройства для обработки в протоке исходных водных сред, содержащих любой состав загрязнений, с повышенной прочностью корпуса и невысокими энергозатратами. The technical problem, the solution of which is provided by the implementation of the invention, is the improvement of a universal device for processing in the flow of the source of aqueous media containing any composition of contaminants, with increased strength of the casing and low energy consumption.
Технический результат от использования предложенного устройства заключается в повышении степени очистки водных сред от различных по своему составу загрязнений и обеззараживания от патогенной микрофлоры за счет повышения эффективности воздействия ультразвука при одновременном снижении энергозатрат. Кроме того, устройство обладает повышенной прочностью корпуса, что является важным при его эксплуатации в условиях повышенных давлений. The technical result from the use of the proposed device is to increase the degree of purification of aqueous media from various in their composition contaminants and disinfection from pathogenic microflora by increasing the efficiency of exposure to ultrasound while reducing energy consumption. In addition, the device has increased strength of the housing, which is important when it is used in high pressure.
Техническая проблема решается, а технический результат достигается за счет того, что устройство для обработки водных сред в протоке, содержащее цилиндрический корпус с торцевыми стенками и узлами подачи воды на обработку, обработки ультрафиолетом, ультразвуковой обработки и отвода обработанной воды, узел обработки ультрафиолетом расположен внутри цилиндрического корпуса и состоит, по меньшей мере, из двух ультрафиолетовых излучателей, снабженных защитными чехлами из материала, прозрачного для ультрафиолетового излучения, и расположенных параллельно образующей цилиндрического корпуса, по меньшей мере, по одной концентрической окружности, узел ультразвуковой обработки
состоит, по меньшей мере, из двух ультразвуковых излучателей, снабжено, по меньшей мере, двумя, волноводами изгибных колебаний, выполненными в виде стержней, длиной, кратной длине полуволны ультразвука, жестко закрепленными в торцевых стенках цилиндрического корпуса, ультразвуковые излучатели установлены на внешней стороне цилиндрического корпуса, акустически изолированы герметичными узлами крепления от корпуса и снабжены погружными сонотродами продольных колебаний цилиндрической формы, длина которых кратна длине полуволны ультразвука, а каждый волновод изгибных колебаний соединен, по меньшей мере, с одним сонотродом, при этом расстояния между ультрафиолетовыми излучателями, ультразвуковыми излучателями, ультрафиолетовыми и ультразвуковыми излучателями кратны длине полуволны ультразвука. The technical problem is solved, and the technical result is achieved due to the fact that the device for processing aqueous media in the duct, containing a cylindrical body with end walls and nodes for supplying water for processing, ultraviolet treatment, ultrasonic treatment and removal of treated water, the UV processing unit is located inside the cylindrical case and consists of at least two ultraviolet emitters equipped with protective covers of a material transparent to ultraviolet radiation, and is located nnyh parallel to the generatrix of the cylindrical body, at least one concentric circle, the ultrasonic processing unit consists of at least two ultrasonic emitters, is equipped with at least two waveguides of bending vibrations made in the form of rods, a length multiple of the half wavelength of ultrasound, rigidly fixed in the end walls of the cylindrical body, ultrasonic emitters are mounted on the outside of the cylindrical cases, acoustically isolated by sealed attachment points from the case and equipped with submersible sonotrodes of longitudinal vibrations of a cylindrical shape, the length of which is a multiple of the length of an ultrasound half-wave AUC, and each waveguide connected flexural vibrations, with at least one sonotrode, wherein the distance between the UV emitters, ultrasound transducers, ultraviolet and ultrasonic emitters are multiples of half-wave length of the ultrasound.
Предпочтительно, что каждый волновод изгибных колебаний соединен с сонотродом в узле максимальной интенсивности изгибных колебаний волновода. Preferably, each bending waveguide is connected to the sonotrode at a node of maximum intensity of the bending vibration of the waveguide.
Краткое описание чертежей. A brief description of the drawings.
Для большей наглядности соотношение между отдельными элементами устройства изменены. For greater clarity, the ratio between the individual elements of the device is changed.
На Fig.1 схематически изображено устройство для обработки водных сред в протоке; на Fig.2 - разрез и вид по АА на Fig.l; на Fig.3 - разрез и вид по ВВ на Fig.1 ; на Fig.4 -узел С на Fig.2 - соединение сонотрода с волноводом изгибных колебаний; на Fig. 5 - узел D на Fig.1 - крепление волноводов изгибных колебаний к торцевой стенке цилиндрического корпуса; на Fig. 6 - условное изображение соединения сонотрода ультразвукового излучателя с волноводом изгибных колебаний в узле максимальной интенсивности изгибных колебаний волновода. На Fig.7-10 изображены различные варианты выполнения стержней волноводов изгибных колебаний. Fig. 1 schematically shows a device for treating aqueous media in a duct; in Fig.2 - section and view along AA in Fig.l; Fig. 3 shows a section and a view along the explosive in Fig. 1; Fig. 4 - node C in Fig. 2 - connection of the sonotrode to the waveguide of bending vibrations; in Fig. 5 - node D in Fig. 1 - fastening of waveguides of bending vibrations to the end wall of a cylindrical body; in Fig. 6 is a conditional image of the connection of the sonotrode of the ultrasonic emitter with the waveguide of bending vibrations in the node of maximum intensity of the bending vibrations of the waveguide. Fig. 7-10 depict various embodiments of the rods of waveguides of bending vibrations.
Устройство для обработки водных сред в протоке (Fig.l, Fig.2) состоит из цилиндрического корпуса 1 с торцевыми стенками 2 и содержит узел подачи воды на обработку 3, узел отвода обработанной воды 4 (Fig.3), узел обработки ультрафиолетом, расположенный параллельно образующей цилиндрического корпуса 1 внутри него, по меньшей мере, по одной концентрической окружности, и состоящий, по меньшей мере, из двух ультрафиолетовых излучателей 5, снабженных защитными чехлами из материала, прозрачного для ультрафиолетового
излучения, и узел ультразвуковой обработки, состоящий, по меньшей мере, из двух ультразвуковых излучателей 6, установленных на внешней стороне цилиндрического корпуса 1 с обеспечением акустической изоляции от корпуса 1 за счет герметичных узлов крепления 8. Ультразвуковые излучатели 6 на концах снабжены погружными сонотродами продольных колебаний цилиндрической формы 9 (Fig.4), длина которых кратна полуволне ультразвука. Внутри корпуса 1 расположены, по меньшей мере, два волновода изгибных колебаний 7, выполненные в виде стержней различной конфигурации (Fig.7-10), длиной, кратной длине полуволны ультразвука, жестко закрепленные в торцевых стенках 2 цилиндрического корпуса l(Fig.5), каждый из которых соединен, по меньшей мере с одним сонотродом 9 ультразвукового излучателя 6. По меньшей мере, один сонотрод 9 ультразвукового излучателя 6 соединен с волноводом изгибных колебаний 7 в узле максимальной интенсивности изгибных колебаний волновода 7 (Fig.6). Расстояния между ультрафиолетовыми излучателями, ультразвуковыми излучателями, ультрафиолетовыми и ультразвуковыми излучателями кратны длине полуволны ультразвука. A device for treating aqueous media in a duct (Fig.l, Fig.2) consists of a cylindrical body 1 with end walls 2 and contains a water supply unit for treatment 3, a treated water removal unit 4 (Fig.3), an ultraviolet treatment unit, located parallel to the generatrix of the cylindrical body 1 inside it, at least one concentric circle, and consisting of at least two ultraviolet emitters 5, equipped with protective covers made of a material transparent to ultraviolet radiation, and an ultrasonic processing unit, consisting of at least two ultrasonic emitters 6 mounted on the outer side of the cylindrical body 1 with acoustic isolation from the housing 1 due to sealed attachment points 8. Ultrasonic emitters 6 at the ends are equipped with immersed sonotrodes of longitudinal vibrations cylindrical shape 9 (Fig. 4), the length of which is a multiple of a half-wave of ultrasound. At least two bending waveguides 7 are arranged inside the housing 1, made in the form of rods of various configurations (Fig. 7-10), a length multiple of the ultrasound half-wave, rigidly fixed in the end walls 2 of the cylindrical body l (Fig. 5) , each of which is connected to at least one sonotrode 9 of the ultrasonic emitter 6. At least one sonotrode 9 of the ultrasonic emitter 6 is connected to the waveguide of bending vibrations 7 at the node of maximum intensity of bending vibrations of the waveguide 7 (Fig.6). The distances between ultraviolet emitters, ultrasonic emitters, ultraviolet and ultrasonic emitters are multiples of the half-wave length of ultrasound.
Осуществление изобретения The implementation of the invention
Устройство работает следующим образом. The device operates as follows.
Исходную водную среду, подвергаемую обработке, содержащую различные по виду и характеру загрязнения, через узел подачи воды на обработку 3 подают внутрь цилиндрического корпуса 1 устройства для обработки водных сред в протоке, где ее подвергают обработке ультрафиолетовым и ультразвуковым излучениями в едином акустическом поле. The initial aqueous medium to be treated, containing various types and types of contamination, is fed through the water supply unit for processing 3 into the cylindrical body 1 of the device for processing aqueous media in the duct, where it is subjected to ultraviolet and ultrasonic radiation in a single acoustic field.
Под воздействием ультразвукового излучения в объеме обрабатываемой водной среды происходит образование ультразвуковых пузырьковых каверн, на поверхности которых происходит фотохимическая инактивация патогенной микрофлоры, и при схлопывании которых на клеточном уровне разрушаются оболочки микроорганизмов, а также разрушаются белки, жиры и углеводы. Одновременно происходит процесс объемного удаления газовых пузырьков, растворенных в водной среде, из которых под воздействием ультрафиолетового излучения при одновременном схлопывании пузырьковых каверн могут образовываться активные радикалы и окислители, в частности, ОН радикалы, которые способствуют ускорению и повышению степени окисления загрязнений и инактивации патогенной микрофлоры. При этом также повышается степень очистки
от биообрастания и отложения солей поверхностей защитных чехлов ультрафиолетовых излучателей 5 и внутренней поверхности корпуса 1. Under the influence of ultrasonic radiation in the volume of the treated aqueous medium, the formation of ultrasonic bubble caverns occurs on the surface of which photochemical inactivation of pathogenic microflora occurs, and when they collapse, the shells of microorganisms are destroyed at the cellular level, as well as proteins, fats and carbohydrates. At the same time, the process of volumetric removal of gas bubbles dissolved in the aquatic environment takes place, from which, under the influence of ultraviolet radiation and the collapse of bubble cavities, active radicals and oxidizing agents, in particular OH radicals, can be formed, which contribute to the acceleration and increase in the degree of oxidation of pollution and inactivation of pathogenic microflora. This also improves the degree of purification. from biofouling and deposits of salts of the surfaces of the protective covers of ultraviolet emitters 5 and the inner surface of the housing 1.
Для повышения однородности распределения ультразвуковых колебаний в объеме обрабатываемой водной среды и увеличения количества ультразвуковых пузырьковых каверн, ультразвуковые излучатели 6 снабжены погружными сонотродами продольных колебаний 9 цилиндрической формы, соединенными с волноводами изгибных колебаний 7 и являющимися излучателями ультразвуковых колебаний. Это позволяет добиться большей однородности образования пузырьковых каверн по обрабатываемому объему жидкости при меньших энергозатратах. To increase the uniformity of the distribution of ultrasonic vibrations in the volume of the treated aqueous medium and increase the number of ultrasonic bubble cavities, ultrasonic emitters 6 are equipped with submersible sonotrodes of longitudinal vibrations 9 of a cylindrical shape connected to waveguides of bending vibrations 7 and which are emitters of ultrasonic vibrations. This allows you to achieve greater uniformity in the formation of bubble cavities in the processed volume of the liquid with less energy.
Установка ультразвуковых излучателей 6 на внешней стороне корпуса 1 с обеспечением их акустической изоляции от корпуса 1 герметичными узлами крепления 8 позволяет исключить потери ультразвуковой энергии на элементах конструкции корпуса, ввести ультразвуковую энергию непосредственно в обрабатываемый объем жидкости при минимальных энергозатратах. The installation of ultrasonic emitters 6 on the outer side of the housing 1 with their acoustic isolation from the housing 1 by sealed attachment points 8 eliminates the loss of ultrasonic energy on the structural elements of the housing, introduces ultrasonic energy directly into the processed volume of the fluid with minimal energy consumption.
Оценку снижения энергозатрат производят по степени обеззараживания патогенной микрофлоры при равной производительности установок (м3/час) обрабатываемой водной среды. Evaluation of the reduction in energy consumption is carried out according to the degree of disinfection of pathogenic microflora with equal productivity of plants (m 3 / h) of the treated aqueous medium.
Для расчета величины энергозатрат в предлагаемых системах ультрафиолет + ультразвук (УФ+УЗ) обеззараживания используют критерий Вт»час/м3, где Вт - энергия, потребляемая устройством, а м3/час - производительность установки для обработки водных сред, проходящих через заявленное устройство, для достижения необходимой величины дозы УФ + УЗ облучения (мДж/см2), гарантирующей снижение уровня концентрации патогенной микрофлоры в водной среде до предельно допустимого уровня 60 мДж/см в соответствии с требованием действующих нормативных документов. При этом установлено, что установка по прототипу достигает нормативной дозы при энергозатратах - 38 Вт»час/м3 , тогда, как в установке с изгибными волноводами, при энергозатратах - 21 Вт«час/м3. To calculate the amount of energy consumption in the proposed ultraviolet + ultrasound (UV + ultrasound) disinfection systems, the criterion is W "hour / m 3 , where W is the energy consumed by the device, and m 3 / hour is the capacity of the installation for processing aqueous media passing through the claimed device to achieve the necessary size of the dose of UV + ultrasonic irradiation (mJ / cm 2), ensuring reduction in the concentration of pathogenic microorganisms in the aqueous medium to a maximum permissible level of 60 mJ / cm in accordance with applicable regulatory DOCUMENT Comrade. It was found that the prototype installation reaches the standard dose at energy consumption of 38 W "hour / m 3 , whereas in an installation with bending waveguides, at energy consumption - 21 W" hour / m 3 .
В любой точке объема жидкости, обрабатываемой в установке с изгибными волноводами, интенсивность ультразвуковых колебаний выше порога возникновения кавитационных каверн, способствующих повышению степени обеззараживания и очистки водных сред, в то время как в исполнении по прототипу существуют зоны, где облучение ниже этого порога.
Расстояния между ультрафиолетовыми излучателями 5, ультразвуковыми излучателями 6, ультрафиолетовыми и ультразвуковыми излучателями, а также длины сонотродов 9 и волноводов изгибных колебаний, кратные длине полуволны ультразвука, также способствуют равномерности распределения совокупности всех факторов, влияющих на очистку и обеззараживание водных сред. At any point in the volume of liquid processed in the installation with bending waveguides, the intensity of ultrasonic vibrations is higher than the threshold for the occurrence of cavitation cavities, which increase the degree of disinfection and purification of aqueous media, while in the prototype version there are zones where the radiation is below this threshold. The distances between ultraviolet emitters 5, ultrasonic emitters 6, ultraviolet and ultrasonic emitters, as well as the lengths of sonotrodes 9 and waveguides of bending vibrations, multiples of the length of the ultrasound half-wave, also contribute to the uniform distribution of all the factors that affect the cleaning and disinfection of aqueous media.
Волноводы изгибных колебаний 7, жестко закрепленные в торцевых стенках 2 цилиндрического корпуса 1, выполняют функции турбулизаторов и кавитаторов потока обрабатываемых водных сред, а также одновременно функцию упрочняющих стяжек корпуса 1 , что позволяет дополнительно интенсифицировать обработку водных сред и обеспечить повышенную прочность устройства при его эксплуатации в условиях повышенных давлений. The waveguides of bending vibrations 7, rigidly fixed in the end walls 2 of the cylindrical body 1, perform the functions of turbulators and cavitators of the flow of treated aqueous media, and at the same time function as reinforcing couplers of the housing 1, which further intensifies the processing of aqueous media and provides increased strength of the device during its operation in high pressure conditions.
Очищенную и обеззараженную водную среду выводят из устройства через узел отвода обработанной воды 4. The purified and disinfected aqueous medium is removed from the device through the treated water outlet 4.
Для сопоставительного анализа санитарно-эпидемиологической оценки эффективности устройства по прототипу (установка Лазурь М-250КА) и заявленного устройства с изгибными волноводами приведены результаты лабораторных испытаний. For a comparative analysis of the sanitary-epidemiological assessment of the effectiveness of the device according to the prototype (Lazur M-250KA installation) and the claimed device with bending waveguides, the results of laboratory tests are presented.
Использованы газоразрядные лампы низкого давления непрерывного действия типа ДБ-300 по обеззараживанию воды ультрафиолетом с длиной волны 253,7 нм и плотностью энергии облучения не менее 70 мДж/см2 при одновременном воздействии на обрабатываемую среду ультразвуком, источником которого в заявленном устройстве являются изгибные волноводы, на частоте 38 кГц с плотностью не менее 2 Вт/см при скорости движения воды 250 м /час. Used low-pressure discharge lamps of the continuous type DB-300 for disinfecting water with ultraviolet light with a wavelength of 253.7 nm and a radiation energy density of at least 70 mJ / cm 2 while simultaneously treating the medium with ultrasound, the source of which in the claimed device is bending waveguides, at a frequency of 38 kHz with a density of at least 2 W / cm at a water speed of 250 m / h.
В качестве исходной пробы используют природную, контаминированную нефтепродуктами и обработанную в сравниваемых устройствах водную среду. Для исследования проведена дополнительная контаминация воды из реки Яуза смесью бензинов АИ-92 и АИ-95 до уровней загрязнения согласно заданным параметрам. Всего проведено 15 исследований, пробы отбирались с интервалом 5 с, после двукратной смены объема водной среды, обрабатываемой в устройствах. As the initial sample, use is made of a natural, contaminated with oil products and treated in the compared devices aqueous medium. For the study, an additional contamination of water from the Yauza River was carried out with a mixture of AI-92 and AI-95 gasolines to pollution levels according to the specified parameters. A total of 15 studies were carried out, samples were taken at intervals of 5 s, after a twofold change in the volume of the aqueous medium processed in the devices.
Сравнение по степени очистки и обеззараживания исходных проб в устройствах по прототипу и с изгибными волноводами по усредненным данным приведено в Таблице, из которой следует, что при исследовании образца устройства с изгибными волноводами по детоксикации и обеззараживанию воды выявлена
достаточная эффективность согласно требуемым параметрам по деструктивному действию на микроорганизмы и нефтепродукты в исходной водной среде. A comparison of the degree of cleaning and disinfection of the initial samples in the devices according to the prototype and with bending waveguides according to the averaged data is given in the Table, from which it follows that when examining a sample of a device with bending waveguides for detoxification and disinfection of water, sufficient efficiency according to the required parameters for the destructive effect on microorganisms and oil products in the original aqueous medium.
Таблица Table
Применение предложенного устройства с волноводами изгибных колебаний позволяет существенно снизить удельную энергию потребления за счет более равномерного распределения интенсивности ультразвуковых колебаний по объему устройства. The use of the proposed device with waveguides of bending vibrations can significantly reduce the specific energy consumption due to a more uniform distribution of the intensity of ultrasonic vibrations throughout the volume of the device.
Таким образом, предложенное устройство позволяет повысить степень очистки водных сред от различных по своему составу загрязнений и обеззараживания от патогенной микрофлоры за счет повышения эффективности воздействия ультразвука при одновременном снижении энергозатрат. Кроме того, устройство обладает повышенной прочностью корпуса, что является важным при его эксплуатации в условиях повышенных давлений.
Thus, the proposed device allows to increase the degree of purification of aqueous media from various in their composition contaminants and disinfection of pathogenic microflora by increasing the efficiency of exposure to ultrasound while reducing energy consumption. In addition, the device has increased strength of the housing, which is important when it is used in high pressure.
Claims
1. Устройство для обработки водных сред в протоке, содержащее цилиндрический корпус с торцевыми стенками и узлами подачи воды на обработку, обработки ультрафиолетом, ультразвуковой обработки и отвода обработанной воды, узел обработки ультрафиолетом расположен внутри цилиндрического корпуса и состоит, по меньшей мере, из двух ультрафиолетовых излучателей, снабженных защитными чехлами из материала, прозрачного для ультрафиолетового излучения, и расположенных параллельно образующей цилиндрического корпуса, по меньшей мере, по одной концентрической окружности, узел ультразвуковой обработки состоит, по меньшей мере, из двух ультразвуковых излучателей, отличающееся тем, что снабжено, по меньшей мере, двумя волноводами изгибных колебаний, выполненными в виде стержней, длиной, кратной длине полуволны ультразвука, жестко закрепленными в торцевых стенках цилиндрического корпуса, ультразвуковые излучатели установлены на внешней стороне цилиндрического корпуса, акустически изолированы герметичными узлами крепления от корпуса и снабжены погружными сонотродами продольных колебаний цилиндрической формы, длина которых кратна длине полуволны ультразвука, а каждый волновод изгибных колебаний соединен, по меньшей мере, с одним сонотродом, при этом расстояния между ультрафиолетовыми излучателями, ультразвуковыми излучателями, ультрафиолетовыми и ультразвуковыми излучателями кратны длине полуволны ультразвука. 1. A device for treating aqueous media in a duct, comprising a cylindrical body with end walls and nodes for supplying water for treatment, ultraviolet treatment, ultrasonic treatment and removal of treated water, the ultraviolet treatment unit is located inside the cylindrical body and consists of at least two ultraviolet emitters equipped with protective covers made of a material transparent to ultraviolet radiation, and located parallel to the generatrix of the cylindrical body, at least one con of a centric circle, the ultrasonic processing unit consists of at least two ultrasonic emitters, characterized in that it is equipped with at least two waveguides of bending vibrations made in the form of rods, a length multiple of the length of the ultrasound half-wave, rigidly fixed in the end walls of the cylindrical housings, ultrasonic emitters mounted on the outside of the cylindrical housing, acoustically isolated by sealed attachment points from the housing and equipped with submersible sonotrodes of longitudinal to oscillations of a cylindrical shape, the length of which is a multiple of the half-wavelength of ultrasound, and each waveguide of bending vibrations is connected to at least one sonotrode, while the distances between ultraviolet emitters, ultrasonic emitters, ultraviolet and ultrasonic emitters are multiples of the length of the ultrasound half-wave.
2. Устройство для обработки водных сред в протоке по п.1, отличающееся тем, что каждый волновод изгибных колебаний соединен с сонотродом в узле максимальной интенсивности изгибных колебаний волновода. 2. The device for processing aqueous media in the duct according to claim 1, characterized in that each waveguide of bending vibrations is connected to the sonotrode in the node of maximum intensity of bending vibrations of the waveguide.
.
.
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| RU2017104151 | 2017-02-08 | ||
| RU2017104151A RU2645986C1 (en) | 2017-02-08 | 2017-02-08 | Device for treatment of aqueous media in the waterway |
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| RU2727125C1 (en) * | 2019-11-15 | 2020-07-20 | Общество с ограниченной ответственностью "Центр ультразвуковых технологий" | Ultrasonic waste water treatment device |
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|---|---|---|---|---|
| WO2011016744A1 (en) * | 2009-08-05 | 2011-02-10 | Ulianov Andrey Nikolaevich | Device for processing aqueous media in a flow |
| DE102012004835A1 (en) * | 2012-03-13 | 2013-09-19 | Roland de Craigher | Device for generating and transforming ultrasound for disinfecting liquids, comprises ultrasonic generator, converter in the form of electrostrictive transducer and sonotrode to initiate ultrasound in liquid to be irradiated and disinfected |
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| EP1008556A3 (en) * | 1998-12-07 | 2000-07-05 | Preussag AG | Process and system for the decontamination of polluated water |
| RU2422371C2 (en) * | 2009-08-25 | 2011-06-27 | Ольга Николаевна Красуля | Method of reducing water temporary hardness in flow and cavitation reactor to this end |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011016744A1 (en) * | 2009-08-05 | 2011-02-10 | Ulianov Andrey Nikolaevich | Device for processing aqueous media in a flow |
| DE102012004835A1 (en) * | 2012-03-13 | 2013-09-19 | Roland de Craigher | Device for generating and transforming ultrasound for disinfecting liquids, comprises ultrasonic generator, converter in the form of electrostrictive transducer and sonotrode to initiate ultrasound in liquid to be irradiated and disinfected |
Non-Patent Citations (1)
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| KHMELEV V.N. ET AL.: "Povyshenie effektivnosti ultrazvukovoi kavitatsionnoi obrabotki viazkikh i dispersnykh zhidkikh sred", POLZUNOVSKII VESTNIK, 2010, pages 321 - 325 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2727125C1 (en) * | 2019-11-15 | 2020-07-20 | Общество с ограниченной ответственностью "Центр ультразвуковых технологий" | Ultrasonic waste water treatment device |
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