Ultrasonic cleaning device and ultrasonic cleaning method for algae

Abstract

The invention provides an ultrasonic removal device and an ultrasonic removal method of algae, the ultrasonic removal device is arranged at a smoke purification pipe of a smoke treatment tower, the ultrasonic removal device comprises a shell, the shell covers the outer side of the smoke purification pipe, and an avoiding hole for avoiding a pipe opening of the smoke purification pipe is formed in the shell; the hole wall of the avoiding hole is provided with a sound outlet communicating the interior and the exterior of the shell. The ultrasonic generator is arranged in the shell and provided with an ultrasonic head, and the ultrasonic head faces the side wall of the pipe opening of the smoke purifying pipe. According to the technical scheme, the problem that in the prior art, algae affect normal emission of gas in the absorption tower is effectively solved.

Description

Technical Field

[0001] The present invention relates to the field of carbon dioxide capture, and in particular to an ultrasonic cleaning device and an ultrasonic cleaning method for algae. Background Art

[0002] In the field of carbon capture, absorbers are one of the most important equipment, which is responsible for capturing and treating carbon dioxide emitted from industrial processes. Absorbers react with carbon dioxide through chemical absorbents, thus separating it from the exhaust gas. However, absorbers may encounter some challenges during operation, one of which is the growth of algae.

[0003] Algae grow on the outside of the clean smoke pipe of the absorber, forming a biofilm that can easily block the clean smoke pipe opening, thus affecting the normal emission of gas in the absorber. Blockage of the clean smoke pipe will not only reduce the efficiency of the absorber, but may also lead to an increase in pressure in the absorber.

[0004] This may threaten the structural integrity of the absorber when the pressure inside the absorber increases, and in the long run, may cause damage or failure of the absorber. In addition, the increase in pressure may also cause safety issues, such as equipment explosion or leakage, which will not only pollute the environment, but also pose a threat to personnel safety. Summary of the invention

[0005] The main purpose of the present invention is to provide an ultrasonic cleaning device and an ultrasonic cleaning method for algae, so as to solve the problem in the related art that algae affect the normal discharge of gas in the absorption tower.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided an ultrasonic cleaning device, which is arranged at the clean smoke pipe of the flue gas treatment tower, and the ultrasonic cleaning device comprises: a shell, which is covered on the outside of the clean smoke pipe, and the shell is provided with a avoidance hole for avoiding the pipe mouth of the clean smoke pipe, and the hole wall of the avoidance hole is provided with a sound outlet connecting the inside and the outside of the shell; an ultrasonic generator, which is arranged in the shell, and the ultrasonic generator has an ultrasonic head, and the ultrasonic head faces the side wall of the pipe mouth of the clean smoke pipe.

[0007] Furthermore, the ultrasonic cleaning device also includes a chlorophyll detector arranged in the shell and facing the smoke cleaning pipe. The ultrasonic cleaning device also includes a controller arranged on the shell. The chlorophyll detector and the ultrasonic generator are both connected to the controller.

[0008] Furthermore, there are multiple chlorophyll detectors, and the multiple chlorophyll detectors are arranged at intervals.

[0009] Furthermore, the ultrasonic cleaning device also includes an electric energy storage device arranged on the shell, and the ultrasonic generator is connected to the electric energy storage device.

[0010] Furthermore, the ultrasonic cleaning device also includes a solar panel arranged on the outside of the shell, and the solar panel is connected to the electric energy storage device.

[0011] Furthermore, the sound outlet is a notch located outside the clean smoke pipe.

[0012] Furthermore, the ultrasonic cleaning device also includes a sound guide plate arranged between the ultrasonic head and the side wall of the pipe opening of the smoke cleaning pipe.

[0013] Furthermore, a sound amplification slope is provided on the sound guide plate.

[0014] According to another aspect of the present invention, there is provided an ultrasonic removal method for algae, which is implemented by the above-mentioned ultrasonic removal device. The ultrasonic removal method for algae comprises the following steps:

[0015] The concentration of algae on the side wall of the pipe opening of the clean smoke pipe is monitored in real time by a chlorophyll detector;

[0016] The power output by the ultrasonic generator is controlled according to the concentration.

[0017] Further, the step of controlling the power output by the ultrasonic generator according to the concentration includes:

[0018] When the concentration of algae is greater than or equal to 16 μg / L, increase the power output of the ultrasonic generator;

[0019] When the concentration of algae is less than 16 μg / L, the power output by the ultrasonic generator is maintained.

[0020] The technical solution of the present invention is applied, and the ultrasonic cleaning device is arranged at the clean smoke pipe of the flue gas treatment tower, and the ultrasonic cleaning device includes: a shell and an ultrasonic generator. The shell cover is arranged on the outside of the clean smoke pipe, and the shell is provided with an avoidance hole for avoiding the pipe opening of the clean smoke pipe, and the hole wall of the avoidance hole is provided with a sound outlet connecting the inside and outside of the shell. The ultrasonic generator is arranged in the shell, and the ultrasonic generator has an ultrasonic head, and the ultrasonic head faces the side wall of the pipe opening of the clean smoke pipe. When the ultrasonic generator is working, the ultrasonic head emits ultrasonic waves in the shell, and when the ultrasonic waves propagate through the air medium, cavitation effect can be generated to form tiny bubbles. These bubbles vibrate under the action of ultrasound and suddenly collapse at a certain moment, generating a high temperature and high pressure environment, while releasing strong mechanical force and shear force. The effect of this implosion can destroy the cell wall structure and function of the algae on the side wall of the pipe mouth of the clean smoke pipe, causing leakage of cell contents and enzyme inactivation, thereby inhibiting the formation and growth of algae biofilm, so that the algae on the outside of the clean smoke pipe of the absorption tower can be removed, and the biofilm can be prevented from clogging the pipe mouth of the clean smoke pipe, reducing the impact on the normal discharge of gas in the absorption tower. Therefore, the technical solution of the present application effectively solves the problem of algae affecting the normal discharge of gas in the absorption tower in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0022] Figure 1 A simplified structural diagram showing an embodiment of an ultrasonic cleaning device according to the present invention installed at a clean flue gas pipe of a flue gas treatment tower;

[0023] Figure 2 A logic diagram showing an embodiment of the ultrasonic removal method of algae according to the present invention.

[0024] The above drawings include the following reference numerals:

[0025] 10. Flue gas treatment tower; 11. Flue gas purification pipe;

[0026] 2. Ultrasonic cleaning device; 20. Housing; 201. Avoidance hole;

[0027] 30. Ultrasonic generator; 31. Ultrasonic head;

[0028] 40. Chlorophyll detector;

[0029] 51. Electric energy storage device; 52. Solar panel. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0033] like Figure 1 As shown, the present application provides an ultrasonic cleaning device, and an embodiment of the ultrasonic cleaning device is arranged at the clean smoke pipe 11 of the flue gas treatment tower 10. The ultrasonic cleaning device 2 includes: a housing 20 and an ultrasonic generator 30. The housing 20 is arranged on the outside of the clean smoke pipe 11, and a avoidance hole 201 is arranged on the housing 20 to avoid the pipe opening of the clean smoke pipe 11, and a sound outlet connecting the inside and outside of the housing 20 is arranged on the hole wall of the avoidance hole 201. The ultrasonic generator 30 is arranged in the housing 20, and the ultrasonic generator 30 has an ultrasonic head, and the ultrasonic head faces the side wall of the pipe opening of the clean smoke pipe 11.

[0034] By applying the technical solution of this embodiment, the ultrasonic generator 30 emits ultrasonic waves in the housing 20 through the ultrasonic head when working. When the ultrasonic waves propagate through the air medium, cavitation effect can be generated to form tiny bubbles. These bubbles vibrate under the action of ultrasonic waves and suddenly collapse at a certain moment, generating a high temperature and high pressure environment, while releasing strong mechanical force and shear force. The effect of this implosion can destroy the cell wall structure and function of the algae on the side wall of the pipe mouth of the clean smoke pipe 11, causing leakage of cell contents and enzyme inactivation, thereby inhibiting the formation and growth of algae biofilm, so that the algae on the outside of the clean smoke pipe 11 of the absorption tower can be removed, and the biofilm can be prevented from clogging the pipe mouth of the clean smoke pipe 11, reducing the impact on the normal discharge of gas in the absorption tower. Therefore, the technical solution of this embodiment effectively solves the problem of algae affecting the normal discharge of gas in the absorption tower in the related art. The flue gas treatment tower is preferably an absorption tower.

[0035] like Figure 1 As shown, the ultrasonic cleaning device 2 further includes a chlorophyll detector 40 disposed in the housing 20 and facing the clean smoke pipe 11, and the ultrasonic cleaning device 2 further includes a controller disposed on the housing 20, and the chlorophyll detector 40 and the ultrasonic generator 30 are both connected to the controller. The chlorophyll detector 40 can monitor the concentration of algae on the clean smoke pipe 11 in real time, and the controller automatically adjusts the output power of the ultrasonic generator 30 according to the feedback of the chlorophyll detector 40.

[0036] like Figure 1 As shown, in order to monitor the concentration of algae on the clean smoke tube 11 more accurately, there are multiple chlorophyll detectors 40, and the multiple chlorophyll detectors 40 are arranged at intervals.

[0037] like Figure 1 As shown, the ultrasonic cleaning device 2 further includes an electric energy storage device 51 disposed on the housing 20, and the ultrasonic generator 30 is connected to the electric energy storage device 51. The electric energy storage device 51 provides a stable power supply for the ultrasonic generator 30.

[0038] like Figure 1 As shown, the ultrasonic cleaning device 2 further comprises a solar panel 52 disposed outside the housing 20, and the solar panel 52 is connected to the electric energy storage device 51. In this way, clean energy can be stored in the electric energy storage device 51.

[0039] like Figure 1 As shown, in order to effectively propagate the sound in the air medium within the housing 20 , the sound outlet is a notch located outside the clean smoke pipe 11 .

[0040] like Figure 1As shown, the ultrasonic cleaning device 2 further includes a sound guide plate disposed between the ultrasonic head and the side wall of the pipe opening of the smoke cleaning pipe 11. The color of the sound guide plate can ensure that the ultrasonic wave generated by the ultrasonic head reaches the area where the algae is located more effectively.

[0041] like Figure 1 As shown, in order for the ultrasonic wave to completely cover the area where the algae are located, a sound amplification slope is provided on the sound guide plate.

[0042] The present application also provides an ultrasonic removal method for algae, which is implemented by the above-mentioned ultrasonic removal device, such as Figure 2 As shown, the ultrasonic removal method of algae includes the following steps:

[0043] The concentration of algae on the side wall of the pipe opening of the clean smoke pipe 11 is monitored in real time by the chlorophyll detector 40;

[0044] The power output by the ultrasonic generator 30 is controlled according to the concentration. Since the ultrasonic cleaning device can solve the problem of algae affecting the normal discharge of gas in the absorption tower in the related art, the ultrasonic cleaning method of algae implemented by the ultrasonic cleaning device can solve the same technical problem. The ultrasonic generator 30 generates ultrasonic waves in the range of 20kHz to 300kHz, and the power adjustment range is in the range of 50W to 800W.

[0045] Further, the step of controlling the power output by the ultrasonic generator 30 according to the concentration includes:

[0046] When the concentration of algae is greater than or equal to 16 μg / L, the power output by the ultrasonic generator 30 is increased;

[0047] When the concentration of algae is less than 16 μg / L, the power output by the ultrasonic generator 30 is maintained.

[0048] In this way, according to the real-time feedback from the chlorophyll detection device, the controller can automatically adjust the current power output by the ultrasonic generator 30 to achieve the best control effect.

[0049] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0050] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0051] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An ultrasonic cleaning device, arranged at a clean smoke pipe (11) of a smoke treatment tower (10), characterized in that: The ultrasonic cleaning device comprises: A shell (20) is arranged to cover the outer side of the clean smoke pipe (11), the shell (20) is provided with a avoidance hole (201) for avoiding the pipe opening of the clean smoke pipe (11), and a sound outlet communicating the inside and outside of the shell (20) is provided on the hole wall of the avoidance hole (201); An ultrasonic generator (30) is arranged in the housing (20), and the ultrasonic generator (30) has an ultrasonic head, which faces the side wall of the pipe opening of the clean smoke pipe (11).

2. The ultrasonic cleaning device according to claim 1, characterized in that: The ultrasonic cleaning device further comprises a chlorophyll detector (40) arranged in the housing (20) and facing the smoke cleaning pipe (11), and the ultrasonic cleaning device further comprises a controller arranged on the housing (20), and the chlorophyll detector (40) and the ultrasonic generator (30) are both connected to the controller.

3. The ultrasonic cleaning device according to claim 2, characterized in that: There are a plurality of chlorophyll detectors (40), and the plurality of chlorophyll detectors (40) are arranged at intervals.

4. The ultrasonic cleaning device according to claim 1, characterized in that: The ultrasonic cleaning device further comprises an electric energy storage device (51) arranged on the housing (20), and the ultrasonic generator (30) is connected to the electric energy storage device (51).

5. The ultrasonic cleaning device according to claim 4, characterized in that: The ultrasonic cleaning device further comprises a solar panel (52) arranged outside the housing (20), and the solar panel (52) is connected to the electric energy storage device (51).

6. The ultrasonic cleaning device according to claim 1, characterized in that: The sound outlet is a notch located outside the smoke-cleaning pipe (11).

7. The ultrasonic cleaning device according to claim 1, characterized in that: The ultrasonic cleaning device also includes a sound guide plate arranged between the ultrasonic head and the side wall of the pipe opening of the smoke cleaning pipe (11).

8. The ultrasonic cleaning device according to claim 7, characterized in that: The sound guide plate is provided with a sound amplification inclined surface.

9. A method for ultrasonically removing algae, characterized in that: The ultrasonic cleaning device according to any one of claims 1 to 8 is used to implement the ultrasonic cleaning method of algae, comprising the following steps: The concentration of algae on the side wall of the pipe opening of the clean smoke pipe (11) is monitored in real time by a chlorophyll detector (40); The power output by the ultrasonic generator (30) is controlled according to the concentration.

10. The ultrasonic removal method of algae according to claim 9, characterized in that: The step of controlling the power output by the ultrasonic generator (30) according to the concentration comprises: When the concentration of the algae is greater than or equal to 16 μg / L, increasing the power output by the ultrasonic generator (30); When the concentration of the algae is less than 16 μg / L, the power output by the ultrasonic generator (30) is maintained.

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