Ultrasonic liquid treatment apparatus

Abstract

To provide an ultrasonic liquid treatment apparatus that can efficiently filtrate and process liquid with a simple configuration.SOLUTION: An ultrasonic unit has a structure that filtrates liquid. The ultrasonic unit filters and processes the liquid with the ultrasonic vibration of the ultrasonic unit, or the ultrasonic unit filters and processes the liquid with the ultrasonic vibration of the ultrasonic unit in such a state that the pressure is applied to the liquid, so that the liquid can be efficiently filtrated and processed with a simple configuration.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an ultrasonic liquid treatment device that filters and treats liquid by using ultrasonic vibrations. [Background technology]

[0002] For example, inorganic solids such as metals and ceramics, and organic solids are subjected to processes such as grinding, polishing, and pulverization, which generate fine particles. These fine particles are generally washed away by fluids such as water and discharged as wastewater or sewage.

[0003] For such treatment, expensive filtration treatment equipment is used, which removes the substances to be removed and the wastewater becomes a clean fluid that can be reused, or the remaining part that cannot be removed is treated as industrial waste. Water in particular is purified and returned to the natural environment, such as rivers or oceans, or reused.

[0004] In such a treatment, a filtration treatment device or the like may use a tank (storage tank), in which wastewater is stored and filtrate is stored below the filter membrane. This stored filtrate is transported to various places by a pump. (Patent Document 1) [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2002-52388 A Summary of the Invention [Problem to be solved by the invention]

[0006] In treating such liquids, a filter membrane may be used, but the filter membrane has problems such as a decrease in the throughput due to contamination and supplements.

[0007] SUMMARY OF THE PRESENT DISCLOSURE In order to solve the above problems, an object of the present invention is to provide an ultrasonic liquid treatment device that has a simple configuration and is capable of efficiently filtering and treating liquid. [Means for solving the problem]

[0008] In order to solve the above problems and achieve the object, the present invention is configured as follows.

[0009] The invention described in claim 1 is A processing unit for processing a liquid; an ultrasonic unit disposed in the processing section; an ultrasonic transmitter for driving the ultrasonic unit; The ultrasonic unit comprises: A structure for filtering liquid. The ultrasonic liquid treatment device is characterized in that the ultrasonic unit filters and treats the liquid by ultrasonic vibration of the ultrasonic unit.

[0010] The invention described in claim 2 is A processing unit for processing a liquid; an ultrasonic unit disposed in the processing section; an ultrasonic transmitter that drives the ultrasonic unit; a pressure applying means for applying pressure in a direction to cause the liquid to flow; The ultrasonic unit comprises: A structure for filtering liquid. In a state where pressure is applied to the liquid by the pressure applying means, The ultrasonic liquid treatment device is characterized in that the ultrasonic unit filters and treats the liquid by ultrasonic vibration of the ultrasonic unit.

[0011] The invention described in claim 3 is The ultrasonic unit comprises: a filter membrane and an ultrasonic transducer; The filter membrane and the ultrasonic transducer are separate. 3. The ultrasonic liquid treatment device according to claim 1, wherein the liquid is fed by ultrasonic vibration of the ultrasonic vibrator, and the liquid is filtered and treated by the filter membrane.

[0012] The invention described in claim 4 is The ultrasonic unit comprises: a filter membrane and an ultrasonic transducer; The filter membrane and the ultrasonic transducer are integrally configured, The ultrasonic vibration of the ultrasonic vibrator causes the filter membrane to vibrate as a unit and send liquid. 3. The ultrasonic liquid treatment device according to claim 1, wherein the filter membrane treats the liquid by filtering it.

[0013] The invention described in claim 5 is The ultrasonic unit comprises: Including an ultrasonic transducer, The ultrasonic transducer is configured as a membrane, 3. The ultrasonic liquid treatment device according to claim 1, wherein the liquid is fed by ultrasonic vibration of the ultrasonic vibrator and the liquid is filtered and treated.

[0014] The invention described in claim 6 is The processing unit includes: It is a non-pressurized filtration tank. The ultrasonic unit comprises: The membrane pore size is 0.001μm to 100μm. The ultrasonic liquid treatment device according to any one of claims 1, 3, 4 and 5, characterized in that the ultrasonic vibration is from 20 KHz to 4 MHz.

[0015] The invention described in claim 7 is The processing unit includes: It is a non-pressurized water purifier. The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.001μm to 10μm. The ultrasonic liquid treatment device according to any one of claims 1, 3, 4 and 5, characterized in that the ultrasonic vibration is from 20 KHz to 4 MHz.

[0016] The invention described in claim 8 is The processing unit includes: It is a solar-powered water purifier. The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.001μm to 10μm. The ultrasonic liquid treatment device according to any one of claims 1, 3, 4 and 5, characterized in that the ultrasonic vibration is from 20 KHz to 4 MHz.

[0017] The invention described in claim 9 is The processing unit includes: A filter vessel, The pressure applying means is A pump, The ultrasonic unit comprises: The membrane pore size is 0.001μm to 100μm. The ultrasonic liquid treatment device according to any one of claims 2, 3, 4 and 5, characterized in that the ultrasonic vibration is from 20 KHz to 4 MHz.

[0018] The invention described in claim 10 is The filter container comprises: A plurality of the ultrasonic units are arranged to divide the processing chamber into a plurality of processing chambers, The plurality of ultrasonic units include The membrane pore size is small along the direction of liquid flow, The plurality of processing chambers include 10. The ultrasonic liquid treatment device according to claim 9, further comprising a recovery path for recovering the filtrate.

[0019] The invention described in claim 11 is The processing unit includes: Classification and concentration vessel. The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.1μm to 100μm. The ultrasonic vibration is 20KHz to 4MHz. Claims 2 and 3, characterized in that classification and concentration are performed by the classification and concentration vessel. The ultrasonic liquid treatment device according to claim 4 or 5.

[0020] The invention described in claim 12 is The ultrasonic unit comprises: 12. The ultrasonic liquid treatment device according to claim 11, characterized in that the ultrasonic vibration can be intermittently controlled.

[0021] The invention described in claim 13 is The processing unit includes: A filter vessel, The pressure applying means is A pump, The ultrasonic unit comprises: The membrane pore size is 0.001μm to 100μm. The ultrasonic vibration is 20KHz to 4MHz. 6. The ultrasonic liquid treatment device according to claim 2, 3, 4 or 5, characterized in that purification is performed by the filter container.

[0022] The invention described in claim 14 is The processing unit includes: A filter vessel, The ultrasonic unit comprises: Cross-flow filtration, The membrane pore size is 0.001μm to 1μm. The ultrasonic liquid treatment device according to any one of claims 2, 3, 4 and 5, characterized in that the ultrasonic vibration is from 20 KHz to 4 MHz. Effect of the Invention

[0023] With the above-mentioned configuration, the present invention has the following effects.

[0024] In the inventions described in claims 1 to 14, the ultrasonic unit is structured to filter liquid, and the ultrasonic unit filters and processes the liquid by ultrasonic vibration of the ultrasonic unit, or filters and processes the liquid by ultrasonic vibration of the ultrasonic unit when pressure is applied to the liquid, thereby making it possible to efficiently filter and process the liquid with a simple configuration. [Brief description of the drawings]

[0025] [Figure 1] FIG. 1 illustrates an embodiment of an ultrasound unit. [Diagram 2] FIG. 1 illustrates an embodiment of an ultrasound unit. [Diagram 3] FIG. 1 illustrates an embodiment of an ultrasound unit. [Figure 4] FIG. 1 illustrates an embodiment of an ultrasonic liquid treatment device. [Diagram 5] FIG. 1 illustrates an embodiment of an ultrasonic liquid treatment device. [Figure 6] 1A and 1B are diagrams illustrating the effects of an ultrasonic liquid treatment device. [Figure 7] FIG. 1 is a diagram showing an ultrasonic liquid treatment device according to a first embodiment. [Figure 8] FIG. 1 is a diagram showing an ultrasonic liquid treatment device according to a second embodiment. [Figure 9] FIG. 13 is a diagram showing an ultrasonic liquid treatment device according to a third embodiment. [Figure 10] FIG. 13 is a diagram showing an ultrasonic liquid treatment device according to a fourth embodiment. [Figure 11] FIG. 13 is a diagram showing an ultrasonic liquid treatment device according to a fifth embodiment. [Figure 12] FIG. 13 is a diagram showing an ultrasonic liquid treatment device of Example 6. [Figure 13] FIG. 13 is a diagram showing an ultrasonic liquid treatment device of Example 7. [Figure 14] FIG. 13 is a diagram showing an ultrasonic liquid treatment device of Example 8. [Figure 15] FIG. 13 shows an ultrasonic liquid treatment device according to a ninth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0026] Hereinafter, an embodiment of the ultrasonic liquid treatment device of the present invention will be described. This embodiment shows a preferred form of the ultrasonic liquid treatment device, but the present invention is not limited to this. The liquids to be treated include drinking water, edible liquids, medicinal liquids, coolant liquids, cleaning liquids, bioliquids, seawater, river water, lake water, rainwater, and water and sewage.

[0027] (Ultrasonic unit) An ultrasonic unit 10 of this embodiment will be described with reference to Figures 1 to 3. This ultrasonic unit 10 is driven by an ultrasonic transmitter 30.

[0028] 1, the ultrasonic unit 10 includes a filter film 11 and an ultrasonic transducer 12, and the filter film 11 and the ultrasonic transducer 12 are configured separately. This separate configuration may be achieved as long as the filter film 11 and the ultrasonic transducer 12 are separate objects. The arrangement may be such that the filter film 11 and the ultrasonic transducer 12 are arranged in contact with each other or spaced apart by a predetermined distance.

[0029] In this embodiment, the ultrasonic vibration of the ultrasonic transducer 12 sends a liquid through the filter membrane 11, which filters and treats the liquid.

[0030] 2, the ultrasonic unit 10 includes a filter film 11 and an ultrasonic transducer 12, and the filter film 11 and the ultrasonic transducer 12 are integrated together. This integrated structure may be such that the filter film 11 is integrated with the ultrasonic transducer 12 by coating, or the filter film 11 is integrated with the ultrasonic transducer 12 by bonding, and the integrated structure is not particularly limited.

[0031] In this embodiment, the filter membrane 11 vibrates as a unit due to ultrasonic vibrations from the ultrasonic transducer 12, transporting the liquid and filtering and treating it.

[0032] 3, the ultrasonic unit 10 is configured with an ultrasonic transducer 12, and the ultrasonic transducer 12 is configured as a membrane. This configuration does not use a filter membrane, but only the ultrasonic transducer 12.

[0033] In this embodiment, the ultrasonic vibration of the ultrasonic transducer 12 causes the liquid to be pumped, filtered and treated by the ultrasonic transducer 12 alone.

[0034] [Filter membrane] The filter membrane 11 is molded, for example, from a synthetic resin, which may include, for example, at least one of polycarbonate, polysulfone, polyester, polyethylene, and polypropylene, and is not limited thereto, but a preferable one is selected depending on the liquid to be treated.

[0035] [Ultrasonic transducer] The ultrasonic transducer 12 may be, for example, a PZT transducer using lead zirconate titanate (piezoelectric ceramic) or a BL transducer of a bolt-tightened Langevin type transducer. Depending on the conditions of use, the transducer may be directly disposed, a metal diaphragm may be bonded to the transducer, or an acoustic radiator called a metal horn may be bonded to the transducer. The ultrasonic transducer may be in the shape of a plate, a rod, a cylinder, or the like.

[0036] (Ultrasonic Liquid Treatment Device) An embodiment of this ultrasonic liquid treatment device 20 will be described with reference to FIGS.

[0037] 4, the ultrasonic liquid treatment device 20 includes a treatment section 21 for treating liquid, an ultrasonic unit 10 disposed in the treatment section 21, and an ultrasonic transmitter 30 for driving the ultrasonic unit 10. The ultrasonic unit 10 is structured to filter liquid, and sends the liquid by ultrasonic vibration of an ultrasonic transducer 12, and filters and treats the liquid with a filter membrane 11.

[0038] In this embodiment, the ultrasonic unit 10 uses the embodiment of FIG. 1, but the embodiment of FIG. 2 or the embodiment of FIG. 3 can also be used, and the ultrasonic vibration of the ultrasonic unit 10 enables the ultrasonic unit 10 to perform a filtering process through the liquid.

[0039] 5, ultrasonic liquid treatment device 20 includes treatment section 21 for treating liquid, ultrasonic unit 10 arranged in treatment section 21, ultrasonic transmitter 30 for driving ultrasonic unit 10, and pressure applying means 22 for applying pressure in the direction of liquid flow. Ultrasonic unit 10 is structured to filter liquid, and in a state where pressure is applied to the liquid by pressure applying means 22, ultrasonic unit 10 sends the liquid by ultrasonic vibration of ultrasonic vibrator 12, and filters and treats it with filter membrane 11.

[0040] In this embodiment, the ultrasonic unit 10 uses the embodiment of FIG. 1, but the embodiment of FIG. 2 or the embodiment of FIG. 3 can also be used, and the ultrasonic vibration of the ultrasonic unit 10 can increase the amount of liquid filtered and reduce the pressure applied in the direction of the liquid flow.

[0041] (Effects of ultrasonic liquid treatment device) Fig. 6 is a diagram for explaining the effect of the ultrasonic liquid treatment device 20. In the comparative example of Fig. 6(a), a filter membrane is placed in the treatment section, and treatment is performed by filtration through the filter membrane. Contaminants and supplements adhere to the filter membrane, causing clogging of the filter membrane and reducing the amount of liquid treatment.

[0042] In the embodiment of Fig. 6(b), an ultrasonic unit 10 is disposed in the processing section 21. This ultrasonic unit 10 is configured similarly to the embodiment of Fig. 1, and the filter film 11 and the ultrasonic transducer 12 are configured separately.

[0043] This ultrasonic unit 10 separates and disperses contaminants and supplements from the filter membrane 11 and the ultrasonic transducer 12 by ultrasonic vibration of the ultrasonic transducer 12, thereby filtering the contaminants and supplements, and can maintain the throughput of the liquid.

[0044] In the embodiment of FIG. 6(b), the ultrasonic unit 10 is configured similarly to the embodiment of FIG. 1, but a configuration similar to the embodiment of FIG. 2 or the embodiment of FIG. 3 can also maintain a similar liquid throughput.

[0045] (Example) [Example 1] Example 1 will be described with reference to Fig. 7. Fig. 7(a) shows an example, and Fig. 7(b) shows a comparative example.

[0046] In the ultrasonic liquid treatment device of Example 1, the treatment section is a non-pressurized filtration tank. The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 100 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. Coolant liquid and sewage were treated as liquids.

[0047] The ultrasonic unit includes a filter membrane and an ultrasonic transducer, and the filter membrane and the ultrasonic transducer are separate components.

[0048] In this Example 1, the ultrasonic vibration of the ultrasonic transducer allowed the liquid to be transported and the filter membrane filtered the liquid for processing, whereas in the comparative example, there was only a filter membrane and no ultrasonic transducer that vibrated ultrasonically, so the liquid could not be transported and the filtration process was insufficient.

[0049] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 100 μm, and ultrasonic vibrations are 20 KHz to 4 MHz, so that desirable filtering can be performed without problems such as fine particles being mixed in or a decrease in processing volume in the filtering process of coolant and sewage.

[0050] [Example 2] Example 2 will be described with reference to Fig. 8. Fig. 8(a) shows an example, and Fig. 8(b) shows a comparative example.

[0051] In the ultrasonic liquid treatment device of Example 2, the treatment section is a non-pressurized water purifier. The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 10 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. The liquid treated was seawater, river water, lake water, rainwater, sewage water, and other water.

[0052] The ultrasonic unit includes a filter membrane and an ultrasonic transducer, and the filter membrane and the ultrasonic transducer are separate components.

[0053] In Example 2, the filter membrane was able to filter and treat the liquid due to the ultrasonic vibration of the ultrasonic vibrator, but in the comparative example, since there was only a filter membrane and no ultrasonic vibrator, the filtration process was insufficient.

[0054] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 10 μm, and ultrasonic vibrations are 20 KHz to 4 MHz, so that satisfactory filtering can be performed in filtering seawater, river water, lake water, rainwater, and sewage water without problems such as contamination with fine particles or reduced processing capacity.

[0055] [Example 3] Example 3 will be described with reference to Fig. 9. Fig. 9(a) shows an example, and Fig. 9(b) shows a comparative example.

[0056] In the ultrasonic liquid treatment device of Example 3, the treatment section is a solar water purifier. The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 10 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. The liquid treated was seawater, river water, lake water, rainwater, sewage water, and other water.

[0057] The ultrasonic unit includes a filter film and an ultrasonic transducer, and the filter film and the ultrasonic transducer are separate. The ultrasonic transducer is driven by an ultrasonic transmitter. A solar panel is connected to the ultrasonic transmitter and the ultrasonic transmitter obtains power from the solar panel.

[0058] Taking advantage of the power-saving power of ultrasound in areas without electrical infrastructure or during disasters, the ultrasonic unit is powered by solar power to purify water.

[0059] In Example 3, the filter membrane was able to filter and treat the liquid due to the ultrasonic vibration of the ultrasonic transducer membrane, but in the comparative example, since there was only a filter membrane and no ultrasonic transducer, the filtration process was insufficient.

[0060] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001μm to 10μm, and ultrasonic vibrations are 20KHz to 4MHz, so that satisfactory filtering can be performed without problems such as fine particles being mixed in or a decrease in processing volume when filtering seawater, river water, lake water, rainwater, and sewage water.

[0061] [Example 4] Example 4 will be described with reference to Fig. 10. Fig. 10(a) shows an example, and Fig. 10(b) shows a comparative example.

[0062] In the ultrasonic liquid treatment device of Example 4, the treatment section is a filter container. The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 100 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. As liquid, seawater, river water, lake water, rainwater, sewage water, and other water were treated.

[0063] The ultrasonic unit includes a filter membrane and an ultrasonic transducer, and the filter membrane and the ultrasonic transducer are configured separately. A pump is used as a pressure applying means for applying pressure in the direction in which the liquid flows.

[0064] When the pump pressure was 2 MPa, the water throughput was 40 L / min. When the pump pressure was 1 MPa, the water throughput was 20 L / min.

[0065] In this Example 4, the filter membrane was able to filter and process the liquid due to the ultrasonic vibration of the ultrasonic vibrator, but in the comparative example, since there was only a filter membrane and no ultrasonic vibrator, even though the pump pressure was 2 MPa, the water processing rate was 20 L / min, and the filtration process was insufficient.

[0066] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001μm to 100μm, and ultrasonic vibrations of 20KHz to 4MHz, which enables favorable filtering of seawater, river water, lake water, rainwater, and sewage water without problems such as contamination by fine particles or reduced processing capacity.

[0067] [Example 5] A fifth embodiment will be described with reference to Fig. 11. Fig. 11 shows a multi-stage filter container. The filter container is configured to have a plurality of ultrasonic units arranged therein and divided into a plurality of processing chambers. In this embodiment, the ultrasonic units are arranged in three locations and three processing chambers are formed, but the present invention is not limited to this and a plurality of processing chambers may be provided.

[0068] The multiple ultrasonic units are configured so that the membrane pore size is small along the direction in which the liquid flows. When the viscosity distribution of the treatment liquid is wide, for example, the membrane pore size of the coarse filtration ultrasonic unit is about 10 μm, the membrane pore size of the fine filtration ultrasonic unit is about 0.1 μm, and the membrane pore size of the ultrafiltration ultrasonic unit is about 0.001 μm, and this configuration enables efficient filtration and separation and recovery.

[0069] The plurality of treatment chambers have collection paths for collecting the filtrate, and the separated liquid is collected from the collection paths. The valves of the collection paths may be always open, or may be configured to be opened and closed at regular intervals.

[0070] In this ultrasonic liquid treatment device, the treatment section is a filter vessel. The ultrasonic unit generates ultrasonic vibrations of 20 KHz to 4 MHz. Liquids treated include seawater, river water, drinking water, edible liquids, medicinal liquids, cleaning liquids, and biofuels.

[0071] [Example 6] Example 6 will be described with reference to Fig. 12. Fig. 12(a) shows the processing state, and Fig. 12(b) shows the recovery state.

[0072] In the ultrasonic liquid treatment device of Example 6, the treatment section is a classification and concentration container. The ultrasonic unit has a filtering structure with a membrane pore size of 0.1 μm to 100 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. The liquids treated were drinking water, edible liquid, medicinal liquid, coolant liquid, cleaning liquid, and bioliquid.

[0073] The ultrasonic unit includes a filter membrane and an ultrasonic transducer, and the filter membrane and the ultrasonic transducer are configured separately. A pump is used as a pressure applying means for applying pressure in the direction in which the liquid flows.

[0074] In this embodiment 4, the liquid is sent to a classification / concentration vessel by a pump, and in the classification / concentration vessel, the liquid is filtered through a filter membrane by ultrasonic vibration of an ultrasonic vibrator, and the raw liquid and the recovered material are classified and concentrated while preventing clogging (Figure 12(a)).

[0075] When the treatment was completed and the pump was stopped, the collected material accumulated at the bottom of the classification / concentration vessel and was then collected by opening the valve (Figure 12(b)).

[0076] The ultrasonic unit has a filtering structure with a membrane pore size of 0.1μm to 100μm. The ultrasonic vibration is 20KHz~4MHz, and in the classification and concentration processing of drinking water, edible liquids, chemical liquids, coolant liquids, cleaning liquids, and bio-liquids, problems such as the inclusion of fine particles or a decrease in processing volume occurred, and favorable classification and concentration processing was possible.

[0077] [Example 7] Example 7 will be described with reference to Fig. 13. Fig. 13(a) shows the intermittent control of ultrasonic vibration when ultrasonic waves are off, and Fig. 13(b) shows the intermittent control of ultrasonic vibration when ultrasonic waves are on.

[0078] The ultrasonic unit is capable of intermittent control of ultrasonic vibration. The control unit controls the ultrasonic transmitter intermittently based on information from a timer, a processing liquid pressure sensor, a processing liquid concentration sensor, etc. Figure 13(a) shows when the ultrasonic is off, and Figure 13(b) shows when the ultrasonic is on.

[0079] When concentrating to a certain concentration or backwashing is required, efficient filtration, separation and concentration are possible by controlling the ultrasonic vibration intermittently based on information from a timer, a pressure sensor for the processing liquid, a concentration sensor for the processing liquid, etc.

[0080] The ultrasonic unit has a filtering structure with a membrane pore size of 0.01μm to 100μm, and ultrasonic vibration is 20KHz to 4MHz, which enables preferable classification and concentration processing of drinking water, edible liquids, medicinal liquids, coolant liquids, cleaning liquids, and bio-liquids without problems such as contamination with fine particles or reduced processing volume.

[0081] [Example 8] Example 8 will be described with reference to Fig. 14. Fig. 14(a) shows an example, and Fig. 14(b) shows a comparative example.

[0082] In the ultrasonic liquid treatment device of Example 8, the treatment section is a filter container. The ultrasonic unit has a filtering structure with a membrane pore size of 0.001 μm to 100 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. As liquids, drinking water, edible liquid, medicinal liquid, coolant liquid, cleaning liquid, bio liquid, seawater, river water, lake water, rainwater, and sewage water were treated.

[0083] The ultrasonic unit includes a filter membrane and an ultrasonic transducer membrane, and the filter membrane and the ultrasonic transducer membrane are configured separately. A pump is used as a pressure applying means for applying pressure in the direction in which the liquid flows.

[0084] At a pump pressure of 0.2 MPa, the water throughput was 20 L / min.

[0085] In this Example 8, the ultrasonic vibration of the ultrasonic transducer membrane constantly separates and disperses contaminants and supplements, and the filter membrane can filter and process the liquid without clogging. However, in the comparative example, since there is only a filter membrane and no ultrasonic transducer membrane, even when the pump pressure is 0.2 MPa, the water processing rate is 1 L / min due to clogging, and the filtration process is insufficient.

[0086] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001μm to 100μm, and ultrasonic vibrations are 20KHz to 4MHz, and can perform favorable filtering processing without problems such as fine particles being mixed in or a decrease in processing volume in filtering drinking water, edible liquids, medicinal liquids, coolant liquids, cleaning liquids, bio-fluids, seawater, river water, lake water, rainwater, and sewage water.

[0087] [Example 9] Example 9 will be described with reference to Fig. 15. Fig. 15(a) shows an example, and Fig. 15(b) shows a comparative example.

[0088] In the ultrasonic liquid treatment device of Example 9, the treatment section is a filter container. The ultrasonic unit is a cross-flow filtration structure with a membrane pore size of 0.001 μm to 1 μm, and the ultrasonic vibration is 20 KHz to 4 MHz. As the liquid, seawater, river water, lake water, rainwater, sewage water, etc. were treated.

[0089] The ultrasonic unit includes a filter membrane and an ultrasonic transducer, and the filter membrane and the ultrasonic transducer are configured separately. A pump is used as a pressure applying means for applying pressure in the direction in which the liquid flows.

[0090] At a pump pressure of 0.2 MPa, the concentrate flow rate was 1 L / min and the treated liquid flow rate was 10 L / min.

[0091] In this Example 9, the amount of processing liquid can be increased and the amount of concentrated liquid can be decreased by the ultrasonic vibration of the ultrasonic vibrator, but in the comparative example, the processing liquid is small at 1 L / min, so a large amount of concentrated liquid is required to obtain the specified processing liquid.

[0092] The ultrasonic unit has a filtering structure with a membrane pore size of 0.001μm to 1μm, and ultrasonic vibrations are 20KHz to 4MHz, which enables favorable filtering of seawater, river water, lake water, rainwater, and sewage water without problems such as contamination by fine particles or reduced processing capacity. [Industrial Applicability]

[0093] The present invention is applied to an ultrasonic liquid treatment device that filters and treats liquid by ultrasonic vibration, and is capable of filtering and treating liquid efficiently with a simple configuration. [Explanation of symbols]

[0094] 10 Ultrasonic unit 11 Filter membrane 12 Ultrasonic transducer 20 Ultrasonic Liquid Treatment Device 21 Processing section 30 Ultrasonic transmitter

Claims

1. A processing unit for processing a liquid; an ultrasonic unit disposed in the processing section; an ultrasonic transmitter for driving the ultrasonic unit; The ultrasonic unit comprises: A structure for filtering liquid.

13. An ultrasonic liquid treatment device, comprising: an ultrasonic unit for filtering and treating liquid by ultrasonic vibration of the ultrasonic unit;

2. A processing unit for processing a liquid; an ultrasonic unit disposed in the processing section; an ultrasonic transmitter that drives the ultrasonic unit; a pressure applying means for applying pressure in a direction to cause the liquid to flow; The ultrasonic unit comprises: A structure for filtering liquid. In a state where pressure is applied to the liquid by the pressure applying means, 13. An ultrasonic liquid treatment device, comprising: an ultrasonic unit for filtering and treating liquid by ultrasonic vibration of the ultrasonic unit;

3. The ultrasonic unit comprises: a filter membrane and an ultrasonic transducer; The filter membrane and the ultrasonic transducer are separate.

3. The ultrasonic liquid treatment apparatus according to claim 1, wherein the liquid is fed by ultrasonic vibration of the ultrasonic vibrator, and the liquid is filtered and treated by the filter membrane.

4. The ultrasonic unit comprises: a filter membrane and an ultrasonic transducer; The filter membrane and the ultrasonic transducer are integrally configured, The ultrasonic vibration of the ultrasonic vibrator causes the filter membrane to vibrate as a unit and send liquid.

3. The ultrasonic liquid treatment device according to claim 1, wherein the filter membrane treats the liquid by filtering.

5. The ultrasonic unit comprises: Including an ultrasonic transducer, The ultrasonic transducer is configured as a membrane, 3. The ultrasonic liquid treatment apparatus according to claim 1, wherein the liquid is fed by ultrasonic vibration of the ultrasonic vibrator and treated by filtering the liquid.

6. The processing unit includes: It is a non-pressurized filtration tank. The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.001 μm to 100 μm.

6. The ultrasonic liquid treatment device according to claim 1, wherein the ultrasonic vibration is from 20 KHz to 4 MHz.

7. The processing unit includes: It is a non-pressurized water purifier. The ultrasonic unit comprises: The membrane has a filtration structure with a pore size of 0.001 μm to 10 μm.

6. The ultrasonic liquid treatment device according to claim 1, wherein the ultrasonic vibration is from 20 KHz to 4 MHz.

8. The processing unit includes: It is a solar-powered water purifier. The ultrasonic unit comprises: The membrane has a filtration structure with a pore size of 0.001 μm to 10 μm.

6. The ultrasonic liquid treatment device according to claim 1, wherein the ultrasonic vibration is from 20 KHz to 4 MHz.

9. The processing unit includes: A filter vessel, The pressure applying means is A pump, The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.001 μm to 100 μm.

6. The ultrasonic liquid treatment device according to claim 2, wherein the ultrasonic vibration is from 20 KHz to 4 MHz.

10. The filter container comprises: A plurality of the ultrasonic units are arranged to divide the processing chamber into a plurality of processing chambers, The plurality of ultrasonic units include The membrane pore size is small along the direction of liquid flow, The plurality of processing chambers include 10. The ultrasonic liquid treatment device according to claim 9, further comprising a recovery path for recovering the filtrate.

11. The processing unit includes: It is a classification and concentration container. The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.1 μm to 100 μm. The ultrasonic vibration is 20 KHz to 4 MHz, 4. The classification and concentration container according to claim 2, wherein classification and concentration are performed using the classification and concentration container.

6. The ultrasonic liquid treatment device according to claim 4 or 5.

12. The ultrasonic unit comprises:

12. The ultrasonic liquid treatment device according to claim 11, characterized in that the ultrasonic vibration can be intermittently controlled.

13. The processing unit includes: A filter vessel, The pressure applying means is A pump, The ultrasonic unit comprises: The filtration structure has a membrane pore size of 0.001 μm to 100 μm. The ultrasonic vibration is 20 KHz to 4 MHz, 6. The ultrasonic liquid treatment device according to claim 2, 3, 4 or 5, characterized in that purification is performed by the filter vessel.

14. The treatment section is a filter vessel; The ultrasonic unit comprises: Cross-flow filtration, The filtration structure has a membrane pore size of 0.001 μm to 1 μm.

6. The ultrasonic liquid treatment device according to claim 2, wherein the ultrasonic vibration is from 20 KHz to 4 MHz.

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