Hydroxyl radical generation device and organic wastewater treatment system

Abstract

The invention belongs to the technical field of sewage treatment equipment, and provides a hydroxyl free radical generation device and an organic wastewater treatment system.The hydroxyl free radical generation device comprises a machine body, the machine body is provided with a reaction cavity, a rotor is rotationally arranged in the reaction cavity, the rotor comprises a rotor body rotationally connected with the machine body, and a mounting opening is formed in the outer side wall of the rotor body; the catalyst carrier is arranged at the mounting opening; the locking assembly has a locking state and an unlocking state which are mutually switched; the hydroxyl free radical generating device further comprises a cleaning assembly which comprises a cleaning tank, one side of the machine body is provided with a window, and the cleaning tank is arranged at the window. The ultrasonic cleaning machine is arranged in the machine body; and the grabbing assembly is used for grabbing the target catalyst carrier and transferring the target catalyst carrier to a target position. The hydroxyl radical generation device and the organic wastewater treatment system provided by the invention are simple in structure and can automatically clean the catalyst.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment equipment, and in particular to a hydroxyl radical generating device and an organic wastewater treatment system. Background Art

[0002] Hydroxyl free radicals have extremely strong oxidizing properties and can quickly destroy cell tissues. Therefore, they are widely used in sewage treatment. Among many hydroxyl free radical generating devices, supergravity beds are widely used because of their high efficiency in generating hydroxyl free radicals. Figure 1 As shown, it includes a body 100, which has a reaction chamber 110, an air inlet 120, an air outlet 130, a liquid inlet 140 and a liquid outlet 150. A rotor 200 is arranged in the reaction chamber 110, a catalyst is arranged on the rotor 200, and a power input shaft of the rotor 200 is drivingly connected to a power output shaft of a driving motor 300.

[0003] However, as the reaction proceeds, the catalyst disposed on the rotor will be less efficient or even ineffective due to the adhesion of dirt. However, in the prior art hydroxyl radical generating device, when cleaning the catalyst, the entire rotor needs to be taken out of the reaction chamber to clean the catalyst, which is cumbersome and inconvenient to clean the catalyst on the rotor. Summary of the invention

[0004] In view of the defects in the prior art, the purpose of the present invention is to provide a hydroxyl radical generating device and an organic wastewater treatment system to solve or alleviate the above-mentioned technical problems existing in the prior art.

[0005] In order to achieve the above object, the present invention provides a hydroxyl radical generating device, comprising a body, wherein the body has a reaction chamber, and a rotor is rotatably arranged in the reaction chamber, and the rotor comprises:

[0006] A rotor body, which is rotatably connected to the machine body, wherein the outer wall of the rotor body is provided with a plurality of mounting openings, and the plurality of mounting openings are evenly arranged around the rotation center line of the rotor body;

[0007] A catalyst carrier, which is provided with a catalyst, the catalyst carrier corresponds to the installation opening one by one, and the catalyst carrier is provided at the installation opening; and

[0008] A locking component, which is arranged on the catalyst carrier and the rotor body. The locking component has a locking state and an unlocking state that can be switched with each other. When the locking component is in the locking state, the locking component locks the catalyst carrier so that the catalyst carrier cannot be separated from the rotor body. When the locking component is in the unlocking state, the locking component releases the locking of the catalyst carrier so that the catalyst carrier can be separated from the rotor body.

[0009] Further, it further includes:

[0010] A cleaning component, which includes:

[0011] A cleaning tank, a window for the catalyst carrier to enter and exit is arranged on one side of the machine body, and the cleaning tank is arranged at the window and fixedly connected to the machine body; and

[0012] An ultrasonic cleaner, which is arranged inside the machine body; and

[0013] A grasping component, which is used to grasp the target catalyst carrier and transfer the target catalyst carrier to the target position.

[0014] Further, the grasping component includes:

[0015] A grasping arm, its first end extends into the cleaning tank and its second end extends outside the cleaning tank. The grasping arm is slidably connected to the cleaning tank so that the grasping arm can reciprocate between a first position and a second position along the radial direction of the rotor. Wherein, when the grasping arm is in the first position, the first end of the grasping arm is located inside the cleaning tank, and when the grasping arm is in the second position, the first end of the grasping arm is located inside the reaction chamber;

[0016] A first driving structure, which is used to drive the grasping arm to move from the first position to the second position or from the second position to the first position;

[0017] Two grasping elements, which are symmetrically arranged at the first end of the grasping arm. The two grasping elements are both slidably connected to the grasping arm so that the two grasping elements can approach or move away from each other; and

[0018] A second driving structure, which is used to drive the two grasping elements to approach or move away from each other.

[0019] Further, the first driving structure includes:

[0020] A first lead screw, which is rotationally connected to the machine body;

[0021] A first nut, which is sleeved on the first lead screw and is in driving connection with the first lead screw, so that when the first lead screw rotates, it can drive the first nut to move along the axis of the first lead screw. The first nut is fixedly connected to the grasping arm, so that the first nut can drive the grasping arm to move together; and

[0022] A first motor, which is fixedly connected to the machine body. The power output shaft of the first motor is in driving connection with the first lead screw to drive the first lead screw to rotate forward or backward.

[0023] Further, the second driving structure includes:

[0024] A second lead screw, which is arranged at the first end of the grasping arm. The second lead screw is rotatably connected to the grasping arm. The second lead screw is in driving connection with the two grasping elements, and when the second lead screw rotates, the two grasping elements approach or move away from each other;

[0025] A drive shaft, which is rotatably connected to the grasping arm;

[0026] A first bevel gear, which is coaxially sleeved on the second lead screw and is in driving connection with the second lead screw;

[0027] A second bevel gear, which is coaxially sleeved on the drive shaft and is in driving connection with the drive shaft. The second bevel gear meshes with the first bevel gear; and

[0028] A second motor, which is fixedly arranged on the grasping arm. The power output shaft of the second motor is in driving connection with the drive shaft.

[0029] Further, the locking assembly includes:

[0030] A locking element, which is arranged in the rotor main body. The locking element is slidably connected to the rotor main body, so that the locking element has a locking position and an unlocking position that can be switched with each other. A locking jack corresponding to the locking element is opened on the side wall of the catalyst carrier. Wherein, when the locking element is in the locking position, the locking element can be inserted into the locking jack to make the locking assembly in the locking state. When the locking element is in the unlocking position, the locking element is located outside the locking jack to make the locking assembly in the unlocking state;

[0031] A third driving structure, which is used to drive the locking element to move from the locking position to the unlocking position or from the unlocking position to the locking position.

[0032] Further, the third driving structure includes:

[0033] A slider is disposed within the rotor body. The locking element is fixedly connected to the slider, and the slider is slidably connected to the rotor body, enabling the slider to have a third position and a fourth position that can be switched with each other. Wherein, when the slider is in the third position, the locking element is in the locked position, and when the slider is in the fourth position, the locking element is in the unlocked position;

[0034] A first permanent magnet is fixedly embedded on the slider;

[0035] A second permanent magnet is fixedly embedded on the grasping element, and the magnetic properties of the opposite sides of the first permanent magnet and the second permanent magnet are the same;

[0036] An elastic element has two ends respectively connected to the slider and the rotor body. In the natural state, the elastic element exerts an elastic force on the slider, enabling the slider to have a tendency to move from the fourth position to the third position;

[0037] A driving block is disposed on one side of the catalyst carrier facing the axis of the rotor. The driving block is fixedly connected to the catalyst carrier, and a driving inclined surface cooperating with the locking element is provided on the side of the driving block facing the axis of the rotor body.

[0038] Furthermore, it further includes:

[0039] A door body is disposed at the window. The door body is used to block the window. The door body is slidably connected to the main body, enabling the door body to have an open position and a blocking position that can be switched with each other. Wherein, when the door body is in the open position, the door body opens the window, and when the door body is in the blocking position, the door body closes the window; and

[0040] A fourth driving device is fixedly connected to the machine body. The fourth driving device is used to drive the door body to move from the blocking position to the open position or from the open position to the blocking position.

[0041] On the other hand, the present invention also provides an organic wastewater treatment system, including the hydroxyl radical generating device described in any one of the above.

[0042] Advantages of the present invention:

[0043] For the hydroxyl radical generating device and the organic wastewater treatment system provided by the present invention, when the catalyst needs to be cleaned, only the catalyst carrier needs to be removed to achieve the purpose of cleaning the catalyst, without the need to remove the entire rotor, and the operation is convenient. Description of the Drawings

[0044] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0045] Figure 1 A cross-sectional perspective view of a hydroxyl radical generation device provided in the prior art;

[0046] Figure 2 A perspective view of a hydroxyl radical generation device provided in the first embodiment of the present invention

[0047] Figure 3 A perspective view of a hydroxyl radical generation device provided in the second embodiment of the present invention;

[0048] Figure 4 is Figure 3 A cross-sectional view of the hydroxyl radical generation device shown;

[0049] Figure 5 is Figure 4 An enlarged view of part A shown;

[0050] Figure 6 is Figure 4 An enlarged view of part B shown;

[0051] Figure 7 is Figure 6 An enlarged view of part C shown;

[0052] Figure 8 is Figure 6 An enlarged view of part D shown;

[0053] Figure 9 A structural view of an organic wastewater treatment system provided in the first embodiment of the present invention;

[0054] Figure 10 A structural view of an organic wastewater treatment system provided in the second embodiment of the present invention.

[0055] Reference numerals:

[0056] 1. Hydroxyl radical generation device; 100. Body; 110. Reaction chamber; 120. Air inlet; 130. Air outlet; 140. Liquid inlet; 150. Liquid outlet; 200. Rotor 200; 210. Rotor body; 220. Catalyst carrier; 221. Locking jack; 231. Locking element; 232. Slide block; 233. First permanent magnet; 234. Second permanent magnet; 235. Elastic element; 236. Driving block; 201. Driving slope; 300. Driving motor; 410. Cleaning tank; 411. Cleaning liquid inlet; 412. Cleaning liquid outlet; 420. Ultrasonic cleaner; 510. Grabbing arm; 521. First lead screw; 522. First nut; 523. First motor; 530. Grabbing element; 541. Second lead screw; 542. Driving shaft; 543. First bevel gear; 544. Second bevel gear; 545. Second motor; 550. Installation box; 610. Door body; 620. Fourth driving device; 710. Position sensor; 720. Inductive sheet; 2. Processing tank; 31. Oxygen tank; 32. Ozone generator; 4. Ozone detector. Detailed implementation manners

[0057] The embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0058] It should be noted that unless otherwise specified, the technical terms or scientific terms used in this application should be of the ordinary meaning understood by those skilled in the art to which the present invention belongs.

[0059] In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0060] In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0061] In this application, unless otherwise clearly specified and defined, terms such as "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] In this application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0063] As Figure 1 shown, a hydroxyl radical generating device includes a body 100, a rotor 200 and a driving motor 300.

[0064] Among them, the body 100 has a reaction chamber 110 and an air inlet 120, an air outlet 130, a liquid inlet 140 and a liquid outlet 150 communicating with the reaction chamber 110. The rotor 200 is arranged in the reaction chamber 110 and is rotatably connected to the body 100. The driving motor 300 is fixedly connected to the body 100, and the power output shaft of the driving motor 300 is in transmission connection with the power input shaft of the rotor 200.

[0065] During use, ozone enters the reaction chamber 110 from the air inlet 120, and water enters the rotor 200 from the liquid inlet 140. With the high-speed rotation of the rotor 200, under the action of the centrifugal force generated by the high-speed rotation, the water is pushed towards the outer edge of the rotor 200. In this process, the liquid is continuously dispersed and broken by the rotor 200 to form tiny droplets, liquid filaments and liquid films, increasing the gas-liquid contact area. After mass transfer or reaction is completed, the liquid flows out from the outer edge of the rotor 200, enters the collection area of the housing, and finally is discharged from the liquid outlet 150, and the remaining gas is discharged from the air outlet 130.

[0066] However, it is not convenient to clean the catalyst on the rotor 200 in the above-mentioned hydroxyl radical generating device. Therefore, as Figure 2 shown, in this embodiment, the rotor 200 of the hydroxyl radical generating device includes a rotor main body 210, a catalyst carrier 220 and a locking assembly.

[0067] The rotor body 210 is arranged inside the reaction chamber 110, and the rotor body 210 is rotationally connected to the collective. A plurality of mounting openings are arranged on the outer side wall of the rotor body 210, and the plurality of mounting openings are evenly arranged around the rotation center line of the rotor body 210, so that the rotor 200 can generate a relatively uniform moment of inertia when rotating.

[0068] The catalyst carrier 220 is provided with a catalyst. The catalyst carriers 220 correspond to the mounting openings one by one, and the catalyst carriers 220 are arranged at the mounting openings.

[0069] The locking assembly is arranged on the catalyst carrier 220 and the rotor body 210. The locking assembly has a locking position and an unlocking position that can be switched to each other. Among them, when the locking assembly is in the locked state, the locking assembly locks the catalyst carrier 220, so that the catalyst carrier 220 cannot be separated from the rotor body 210. When the rotor body 210 rotates, the catalyst carrier 220 can rotate together with the rotor body 210 without being separated from the rotor body 210 under the action of centrifugal force. When the locking assembly is in the unlocked state, the locking assembly releases the locking of the catalyst carrier 220, so that the catalyst carrier 220 can be separated from the rotor body 210.

[0070] As Figures 3 - 8 shown, in this embodiment, the hydroxyl radical generating device further includes a cleaning assembly and a grasping assembly.

[0071] The cleaning assembly includes a cleaning tank 410 and an ultrasonic cleaning machine 420.

[0072] Among them, a window for the catalyst carrier 220 to enter and exit is arranged on one side of the machine body 100. The cleaning tank 410 is arranged at the window, and the cleaning tank 410 is fixedly connected to the machine body 100. The cleaning tank 410 has a cleaning liquid inlet 411 and a cleaning liquid outlet 412. The cleaning liquid inlet 411 of the cleaning tank 410 is connected and communicated with a cleaning liquid supply pipe, and the cleaning liquid outlet 412 of the cleaning tank 410 is connected and communicated with a drain pipe. The ultrasonic cleaning machine 420 is arranged inside the cleaning tank 410.

[0073] During cleaning, a preset volume of cleaning liquid is supplied into the cleaning tank 410 through the cleaning liquid supply pipe, and the ultrasonic cleaning machine 420 is started to clean the catalyst carrier 220. After cleaning, the cleaning liquid in the cleaning tank 410 is discharged from the drain pipe.

[0074] The grasping component is used to grasp the target catalyst carrier 220 and transfer the target catalyst carrier 220 to the target position. Specifically, during cleaning, the grasping component is used to grasp the target catalyst carrier 220 and transfer the target catalyst carrier 220 into the cleaning tank 410 for cleaning work; after cleaning, the grasping component is used to transfer the target catalyst carrier 220 to the corresponding installation opening and place the target catalyst carrier 220 at the installation opening.

[0075] Specifically, during use, when the catalyst carrier 220 needs to be cleaned, the driving motor 300 rotates the target catalyst carrier 220 to the window, the grasping component extends into the reaction chamber 110 from the window and grabs the target catalyst carrier 220. At the same time, the locking component switches to the unlocked state, thereby releasing the lock on the catalyst carrier 220. Then the grasping component takes the catalyst carrier 220 out of the window and transfers the catalyst carrier 220 into the cleaning tank 410.

[0076] A preset volume of cleaning liquid is supplied into the cleaning tank 410 through the cleaning liquid supply pipe, and the ultrasonic cleaner 420 is started, thereby cleaning the catalyst carrier 220. After cleaning, the cleaning liquid in the cleaning tank 410 is drained from the drain pipe. The catalyst carrier 220 is then transferred to the corresponding installation opening by the grasping component and placed at the installation opening. At the same time, the locking component switches to the locked state, thereby locking the catalyst carrier 220.

[0077] The hydroxyl radical generating device provided in this embodiment achieves the purpose of automatically cleaning the catalyst by setting the grasping component and the cleaning component, with simple operation and high efficiency.

[0078] Such as Figure 4 、 6 As shown, preferably, a position sensor 710 is fixedly arranged on the inner side wall of the reaction chamber. The position sensor 710 is electrically connected to the controller. A sensing piece 720 cooperating with the position sensor 710 is correspondingly arranged on the outer side wall of the rotor main body 210, and the sensing pieces 720 correspond to the installation openings one by one. During cleaning, when the position sensor 710 senses the corresponding sensing piece 720, it means that the catalyst carrier 220 corresponding to the sensing piece moves to the cleaning station, thereby achieving the purpose of accurately positioning the catalyst carrier 220. At the same time, preferably, the driving motor 300 is a servo motor.

[0079] Such as Figure 4 、 6 As shown, the grasping component includes a grasping arm 510, a first driving structure, a grasping element 530, and a second driving structure.

[0080] The first end of the grasping arm 510 extends into the cleaning tank 410, and the second end extends outside the cleaning tank 410. The grasping arm 510 is slidably connected to the cleaning tank 410 so that the grasping arm 510 can reciprocate between a first position and a second position along the radial direction of the rotor 200, that is, the grasping arm 510 has a first position and a second position that can be switched with each other. Among them, when the grasping arm 510 is in the first position, the first end of the grasping arm 510 is located inside the cleaning tank 410; when the grasping arm 510 is in the second position, the first end of the grasping arm 510 is located inside the reaction chamber 110. Of course, the connection between the side wall of the grasping arm 510 and the cleaning tank 410 is kept sealed. The first driving structure is used to drive the grasping arm 510 to move from the first position to the second position or from the second position to the first position.

[0081] There are two grasping elements 530. The two grasping elements 530 are symmetrically arranged at the first end of the grasping arm 510. The two grasping elements 530 are both slidably connected to the grasping arm 510 so that the two grasping elements 530 can approach or move away from each other. That is, the two grasping elements 530 have a grasping position and a releasing position that can be switched with each other. When the grasping element 530 is in the grasping position, the distance between the two grasping elements 530 is relatively close; when the grasping element 530 is in the releasing position, the distance between the two grasping elements 530 is relatively far. The second driving structure is used to drive the two grasping elements 530 to approach or move away from each other.

[0082] When cleaning the catalyst carrier 220, first, the first driving structure drives the grasping arm 510 from the first position to the second position so that the grasping arm 510 extends into the reaction chamber 110; then, the second driving structure drives the two grasping elements 530 to move from the releasing position to the grasping position, thereby grasping the catalyst carrier 220; then, the first driving structure drives the grasping arm 510 from the second position to the first position so that the grasping arm 510 carries the catalyst carrier 220 into the cleaning tank 410.

[0083] After the cleaning is completed, first, the first driving structure drives the grasping arm 510 from the first position to the second position to move the catalyst carrier 220 to the corresponding installation opening; then, the second driving structure drives the two grasping elements 530 to move from the grasping position to the releasing position, thereby releasing the catalyst carrier 220; then, the first driving structure drives the grasping arm 510 from the second position to the first position so that the grasping arm 510 moves outside the reaction chamber 110.

[0084] In some embodiments, the first driving structure includes a telescopic device (not shown in the drawings), and the telescopic device can be one of an electric push rod, a cylinder, a hydraulic cylinder, or an electro-hydraulic push rod. The power output shaft of the telescopic device is in transmission connection with the grasping arm 510. When the telescopic device extends, it drives the grasping arm 510 to move from the first position to the second position, and when the telescopic device contracts, it drives the grasping arm 510 to move from the second position to the first position.

[0085] However, for the first driving structure of the above structure, in order to ensure sufficient driving distance, it occupies a large space. Therefore, as Figure 4 shown, in this embodiment, the first driving structure includes a first lead screw 521, a first nut 522, and a first motor 523.

[0086] The first lead screw 521 is rotatably connected to the machine body 100. The first nut 522 is sleeved on the first lead screw 521 and is in transmission connection with the first lead screw 521, so that when the first lead screw 521 rotates, it can drive the first nut 522 to move along the axis of the first lead screw 521. The first nut 522 is fixedly connected to the grasping arm 510, so that the first nut 522 can drive the grasping arm 510 to move together. The first motor 523 is fixedly connected to the machine body 100, and the power output shaft of the first motor 523 is in transmission connection with the first lead screw 521 to drive the first lead screw 521 to rotate forward or backward. Specifically, when the first motor 523 drives the first lead screw 521 to rotate forward, it drives the grasping arm 510 to move from the first position to the second position through the first nut 522; when the first motor 523 drives the first lead screw 521 to rotate backward, it drives the grasping arm 510 to move from the second position to the first position through the first nut 522.

[0087] Specifically, on the side of the cleaning tank 410 far from the rotor 200, there is a fixedly connected mounting box 550, and the first lead screw 521, the first nut 522, and the first motor 523 are arranged in the mounting box 550.

[0088] The first driving structure provided in this embodiment has a simple structure and occupies a small space while ensuring sufficient driving distance.

[0089] In some embodiments, the second driving structure includes two telescopic devices (not shown in the drawings), and the telescopic device can be one of a cylinder, an electric push rod, a hydraulic cylinder, or an electro-hydraulic push rod. The power output shafts of the two telescopic devices are respectively connected to the two grasping elements 530 to drive the two grasping elements 530 to approach or move away from each other.

[0090] However, for the second driving structure of the above structure, since the telescopic device itself has a moving length and also needs to ensure the driving distance, it results in a large occupied space. Therefore, as Figure 4 、 6As shown, in this embodiment, the second driving structure includes a second lead screw 541, a driving shaft 542, a first bevel gear 543, a second bevel gear 544, and a second motor 545.

[0091] The second lead screw 541 is disposed at the first end of the grasping arm 510, and the second lead screw 541 is rotatably connected to the grasping arm 510. The second lead screw 541 is in transmission connection with the two grasping elements 530, and when the second lead screw 541 rotates, the two grasping elements 530 approach or separate from each other. Specifically, two external threads with the same pitch but opposite thread directions are provided on the circumferential wall of the second lead screw 541, and the second lead screw 541 is in transmission connection with the two grasping elements 530 through the two external threads respectively. When the second lead screw 541 rotates forward, the two grasping elements 530 approach each other, and when the second lead screw 541 rotates in the reverse direction, the two grasping elements 530 separate from each other.

[0092] The driving shaft 542 is rotatably connected to the grasping arm 510. The first bevel gear 543 is coaxially sleeved on the second lead screw 541 and is in transmission connection with the second lead screw 541. The second bevel gear 544 is coaxially sleeved on the driving shaft 542 and is in transmission connection with the driving shaft 542. The second bevel gear 544 meshes with the first bevel gear 543. The second motor 545 is fixedly installed on the grasping arm 510, and the power output shaft of the second motor 545 is in transmission connection with the driving shaft 542.

[0093] In use, the second motor 545 drives the driving shaft 542 to rotate, the driving shaft 542 drives the second bevel gear 544 to rotate, the second bevel gear 544 drives the first bevel gear 543 to rotate, and the first bevel gear 543 drives the second lead screw 541 to rotate, so as to drive the two grasping elements 530 to approach or separate from each other through the second lead screw 541. Specifically, when the second motor 545 drives the driving shaft 542 to rotate forward, the two grasping elements 530 approach each other, and when the second motor 545 drives the driving shaft 542 to rotate in the reverse direction, the two grasping elements 530 separate from each other.

[0094] The second driving structure provided in this embodiment has a simple structure, reasonable design, and saves space.

[0095] As Figure 4 、 5 As shown in FIGS. 6 and 7, the locking assembly includes a locking element 231 and a third driving structure.

[0096] The locking element 231 is arranged inside the rotor body 210. The locking element 231 is slidably connected to the rotor body 210 so that the locking element 231 has a locking position and an unlocking position that can be switched with each other. A locking jack 221 adapted to the locking element 231 is correspondingly formed on the side wall of the catalyst carrier 220. Wherein, when the locking element 231 is in the locking position, the locking element 231 can be inserted into the locking jack 221 so that the locking assembly is in the locking state; when the locking element 231 is in the unlocking position, the locking element 231 is located outside the locking jack 221 so that the locking assembly is in the unlocking state.

[0097] The third driving structure is used to drive the locking element 231 to move from the locking position to the unlocking position or from the unlocking position to the locking position. Specifically, when it is necessary to release the locking of the catalyst carrier 220, the third driving structure drives the locking element 231 from the locking position to the unlocking position, so that the locking element 231 is inserted into the locking jack 221, thereby achieving the purpose of locking the catalyst carrier 220; when it is necessary to lock the catalyst carrier 220, the third driving structure drives the locking element 231 from the unlocking position to the locking position, so that the locking element 231 is located inside the locking jack 221, thereby achieving the purpose of locking the catalyst carrier 220.

[0098] As Figure 4 、 5 shown in FIGS. 6 and 7, the third driving structure includes a slider 232, a first permanent magnet 233, a second permanent magnet 234, an elastic element 235 and a driving block 236.

[0099] The slider 232 is disposed within the rotor body 210, and the locking element 231 is fixedly connected to the slider 232. The slider 232 is slidably connected to the rotor body 210 such that the slider 232 has a third position and a fourth position that can be switched with each other. Wherein, when the slider 232 is in the third position, the locking element 231 is in the locked position, and when the slider 232 is in the fourth position, the locking element 231 is in the unlocked position. The first permanent magnet 233 is fixedly embedded in the slider 232. The second permanent magnet 234 is fixedly embedded in the grasping element 530, and the magnetic properties of the opposite sides of the first permanent magnet 233 and the second permanent magnet 234 are the same, such that when the first permanent magnet 233 and the second permanent magnet 234 correspond to each other, a magnetic repulsive force is generated between the first permanent magnet 233 and the second permanent magnet 234. Under the action of this magnetic repulsive force, the slider 232 is driven from the third position to the fourth position. Both ends of the elastic element 235 are respectively connected to the slider 232 and the rotor body 210, and in the natural state, the elastic element 235 exerts an elastic force on the slider 232 such that the slider 232 has a tendency to move from the fourth position to the third position. The driving block 236 is disposed on one side of the catalyst carrier 220 facing the axis of the rotor 200. The driving block 236 is fixedly connected to the catalyst carrier 220, and a driving inclined surface 201 that cooperates with the locking element 231 is provided on one side of the driving block 236 facing the axis of the rotor body 210.

[0100] During grasping, the grasping element 530 extends into the rotor body 210, so that the second permanent magnet 234 and the first permanent magnet 233 correspond to each other. Under the action of the magnetic repulsive force between the first permanent magnet 233 and the second permanent magnet 234, the slider 232 is driven from the third position to the fourth position, and the slider 232 drives the locking element 231 to move from the locked position to the unlocked position.

[0101] During the process of transferring the catalyst body to the installation opening, the driving block 236 exerts a force on the locking element 231 through the driving inclined surface 201 such that the locking element 231 overcomes the elastic force of the elastic element 235 and moves from the locked position to the unlocked position, so that the locking element 231 does not affect the movement of the catalyst carrier 220.

[0102] As Figure 3 、 4 shown, in this embodiment, the hydroxyl radical generating device further includes a door body 610 and a fourth driving device 620.

[0103] The door body 610 is arranged at the window, and the door body 610 is used to block the window. The door body 610 is slidably connected to the main body, so that the door body 610 has an open position and a blocking position that can be switched with each other. When the door body 610 is in the open position, the door body 610 opens the window, so that the driving assembly can extend into the reaction chamber 110. When the door body 610 is in the blocking position, the door body 610 closes the window, so that during the reaction process, the water in the reaction chamber 110 will not enter the cleaning tank 410.

[0104] The fourth driving device 620 is fixedly connected to the machine body 100. The fourth driving device 620 is used to drive the door body 610 to move from the blocking position to the open position or from the open position to the blocking position. Specifically, the fourth driving device 620 is a telescopic rod, and the telescopic rod is one of an electric push rod, an electro-hydraulic push rod, a cylinder, and a hydraulic cylinder. The power output shaft of the telescopic rod is connected to the door body 610 to drive the door body 610 to move.

[0105] As Figure 9 shown, in one embodiment, the present invention further provides an organic wastewater treatment system, including a treatment tank 2, an ozone generation system, and further including the hydroxyl radical generation device 1 described in any of the above embodiments.

[0106] Among them, the liquid outlet of the treatment tank 2 is connected to the liquid inlet of the hydroxyl radical generation device 1, and the liquid inlet of the treatment tank 2 is connected to the liquid outlet of the hydroxyl radical generation device 1. The ozone generation system includes an oxygen tank 31 and an ozone generator 32. The gas outlet of the oxygen tank 31 is connected to the gas inlet of the ozone generator 32, and the gas outlet of the ozone generator 32 is connected to the gas inlet of the hydroxyl radical generation device 1.

[0107] During use, the oxygen in the oxygen tank 31 enters the ozone generator 32. Under the action of the ozone generator 32, the oxygen reacts to generate ozone, which then enters the hydroxyl radical generation device 1. The wastewater in the treatment tank 2 enters the hydroxyl radical generation device 1 under the action of a water pump, and thus reacts with ozone to generate hydroxyl radicals. The hydroxyl radicals oxidize the organic matter in the wastewater, thereby achieving the purpose of purifying the wastewater.

[0108] Preferably, an ozone detector 4 is provided on the intake pipe and the outlet pipe.

[0109] As Figure 10 shown, in one embodiment, the present invention further provides an organic wastewater treatment system, including a treatment tank 2, an ozone generation system, and further including the hydroxyl radical generation device 1 described in any of the above embodiments.

[0110] Among them, the treatment tank 2 is communicated with the liquid outlet of the hydroxyl radical generating device 1 and the wastewater supply system. The ozone generation system includes an oxygen tank 31 and an ozone generator 32. The gas outlet of the oxygen tank 31 is connected to the gas inlet of the ozone generator 32, and the gas outlet of the ozone generator 32 is connected to the gas inlet of the hydroxyl radical generating device 1.

[0111] During use, the wastewater is conveyed into the treatment tank 2. At the same time, the oxygen in the oxygen tank 31 enters the ozone generator 32. Under the action of the ozone generator 32, the oxygen reacts to generate ozone, which then enters the hydroxyl radical generating device 1. The ozone entering the hydroxyl radical generating device 1 reacts with the water or hydrogen peroxide entering the hydroxyl radical generating device 1 to generate hydroxyl radicals. The generated hydroxyl radicals are conveyed into the treatment tank 2, thereby reacting with the wastewater in the treatment tank 2 to achieve the purpose of treating sewage.

[0112] In the description of the present invention, a large number of specific details are illustrated. However, it can be understood that the embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures, and technologies are not shown in detail so as not to obscure the understanding of this specification.

[0113] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A hydroxyl radical generating device, comprising a body, wherein the body has a reaction chamber, wherein a rotor is rotatably arranged in the reaction chamber, wherein: The rotor comprises: A rotor body, which is rotatably connected to the machine body, wherein the outer wall of the rotor body is provided with a plurality of mounting openings, and the plurality of mounting openings are evenly arranged around the rotation center line of the rotor body; A catalyst carrier, which is provided with a catalyst, the catalyst carrier corresponds to the installation opening one by one, and the catalyst carrier is provided at the installation opening; and A locking assembly is arranged on the catalyst carrier and the rotor body, and the locking assembly has a locking state and an unlocking state that can be switched with each other. When the locking assembly is in the locking state, the locking assembly locks the catalyst carrier so that the catalyst carrier cannot be separated from the rotor body. When the locking assembly is in the unlocking state, the locking assembly releases the lock on the catalyst carrier so that the catalyst carrier can be separated from the rotor body.

2. The hydroxyl radical generating device according to claim 1, characterized in that: Also includes: A cleaning assembly comprising: A cleaning tank, wherein a window for the catalyst carrier to enter and exit is provided on one side of the machine body, and the cleaning tank is provided at the window and fixedly connected to the machine body; and An ultrasonic cleaning machine, which is disposed in the machine body; and The grabbing assembly is used to grab a target catalyst carrier and transfer the target catalyst carrier to a target position.

3. The hydroxyl radical generating device according to claim 2, characterized in that: The grabbing component comprises: a grab arm, a first end of which extends into the cleaning tank and a second end of which extends out of the cleaning tank, the grab arm being slidably connected to the cleaning tank so that the grab arm can reciprocate between a first position and a second position along the radial direction of the rotor, wherein when the grab arm is in the first position, the first end of the grab arm is located in the cleaning tank, and when the grab arm is in the second position, the first end of the grab arm is located in the reaction chamber; A first driving structure, which is used to drive the grabbing arm to move from the first position to the second position or from the second position to the first position; A gripping element, wherein two gripping elements are provided, the two gripping elements are symmetrically arranged at the first end of the gripping arm, and the two gripping elements are slidably connected to the gripping arm so that the two gripping elements can move closer to or farther from each other; and The second driving structure is used to drive the two grabbing elements to move closer to or farther from each other.

4. The hydroxyl radical generating device according to claim 3, characterized in that: The first driving structure comprises: A first lead screw, which is rotatably connected to the machine body; A first nut is sleeved on the first lead screw and is drivingly connected to the first lead screw, so that when the first lead screw rotates, the first nut can be driven to move along the axis of the first lead screw, and the first nut is fixedly connected to the grabbing arm, so that the first nut can move with the grabbing arm; and A first motor is fixedly connected to the machine body, and a power output shaft of the first motor is transmission-connected to the first lead screw to drive the first lead screw to rotate in a forward direction or a reverse direction.

5. The hydroxyl radical generating device according to claim 3 or 4, characterized in that: The second driving structure comprises: A second screw is arranged at the first end of the grabbing arm, the second screw is rotatably connected to the grabbing arm, the second screw is transmission-connected to the two grabbing elements, and when the second screw rotates, the two grabbing elements move closer to or farther from each other; a drive shaft rotatably connected to the grab arm; A first bevel gear, which is coaxially sleeved on the second lead screw and drivingly connected to the second lead screw; A second bevel gear is coaxially sleeved on the drive shaft and drivingly connected to the drive shaft, and the second bevel gear is meshed with the first bevel gear; and The second motor is fixedly arranged on the grabbing arm, and the power output shaft of the second motor is drivingly connected with the driving shaft.

6. The hydroxyl radical generating device according to claim 3 or 4, characterized in that: The locking assembly comprises: A locking element, which is arranged in the rotor body, and is slidably connected to the rotor body so that the locking element has a locked position and an unlocked position that can be switched with each other, and a locking socket adapted to the locking element is correspondingly opened on the side wall of the catalyst carrier, wherein when the locking element is in the locked position, the locking element can be inserted into the locking socket so that the locking assembly is in a locked state, and when the locking element is in the unlocked position, the locking element is located outside the locking socket so that the locking assembly is in an unlocked state; The third driving structure is used to drive the locking element to move from the locking position to the unlocking position or from the unlocking position to the locking position.

7. The hydroxyl radical generating device according to claim 6, characterized in that: The third driving structure comprises: a slider, which is arranged in the rotor body, the locking element is fixedly connected to the slider, and the slider is slidably connected to the rotor body, so that the slider has a third position and a fourth position that can be switched to each other, wherein when the slider is in the third position, the locking element is in the locking position, and when the slider is in the fourth position, the locking element is in the unlocking position; A first permanent magnet, which is fixedly embedded on the slider; A second permanent magnet is fixedly embedded on the grabbing element, and the first permanent magnet and the second permanent magnet have the same magnetic properties on opposite sides; an elastic element, two ends of which are respectively connected to the slider and the rotor body, and in a natural state, the elastic element applies elastic force to the slider so that the slider has a tendency to move from the fourth position to the third position; A drive block is arranged on the side of the catalyst carrier facing the axis of the rotor, the drive block is fixedly connected to the catalyst carrier, and a drive inclined surface matching the locking element is arranged on the side of the drive block facing the axis of the rotor body.

8. The hydroxyl radical generating device according to claim 2, 3, 4 or 7, characterized in that: Also includes: a door body, which is arranged at the window, and is used to block the window. The door body is slidably connected to the main body so that the door body has an open position and a blocked position that can be switched to each other, wherein when the door body is in the open position, the door body opens the window, and when the door body is in the blocked position, the door body closes the window; as well as A fourth driving device is fixedly connected to the machine body, and is used to drive the door body to move from a blocking position to an open position or from an open position to a blocking position.

9. An organic wastewater treatment system, characterized in that: A hydroxyl radical generating device comprising the hydroxyl radical generating device according to any one of claims 1 to 8.

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