A non-contact micro-nano bubble generator with an adjustable watertight slit mechanism

Abstract

The present invention discloses a non-contact adjustable micro-nano bubble generator. In the stator of the present invention, an adjustable watertight slit mechanism is provided, and micro-nano bubbles are generated by using the slits in the adjustable watertight slit mechanism. Moreover, by adjusting various means or combinations thereof such as the distance between the height adjustment block and the rotor in the adjustable watertight slit mechanism, adjusting the distance between the horizontal adjustment blocks 9 (i.e., the slit width), and adjusting the slit position, etc., the size and generation amount of micro-nano bubbles can be adjusted in multiple ways, having a wider micro-nano bubble adjustment range.

Description

Technical Field

[0001] The present invention relates to the technical field of micro-nano bubble generators, and particularly relates to a non-contact micro-nano bubble generator with an adjustable watertight slit mechanism. Background Art

[0002] Micro-nano bubbles are tiny bubbles with an instantaneous diameter of less than fifty micrometers, and can also be called micro-nano bubbles, micro-bubbles or nano-bubbles according to their diameter range. Existing micro-nano bubble generators generate bubbles with diameters in the micrometer or nanometer scale in a liquid carrier by methods such as air dispersion, dissolved gas release, ultrasonic cavitation, electrolysis, and chemical methods. The liquid carrier can be water, oil or other liquids, and the gas component in the bubbles can be dissolved air, external air, oxygen, carbon dioxide or other gases. Existing micro-nano bubble generators generally can only generate micro-nano bubbles of a fixed size.

[0003] Chinese Patent ZL202110927266.0 provides a non-contact adjustable micro-nano bubble generator. The rotor and stator are processed into conical surfaces. By adjusting the slit width between the rotor and the stator, the size of the output micro-nano bubbles is changed, so as to generate micro-nano bubbles of different sizes. However, the slit width of this device is fixed, and only the distance between the slit and the rotor can be adjusted within a narrow range. The adjustment range of the size and generation amount of micro-nano bubbles is narrow, and only the same adjustment can be performed on all slits at the same time, and each slit cannot be adjusted independently; in addition, this micro-nano bubble generator requires processing of the outer conical surface of the rotor and the inner conical surface of the stator, and the processing technology is complex. Summary of the Invention

[0004] In view of this, the present invention provides a non-contact micro-nano bubble generator with an adjustable watertight slit mechanism, which can adjust the size of micro-nano bubbles, and can be adjusted independently, and can generate micro-nano bubbles containing different sizes; the adjustment range of the present invention is large, the structure is simple, and it is easy to process.

[0005] The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism of the present invention includes a stator, a rotor, a hollow outer shell, a lower cover and an upper cover. An air inlet, a liquid inlet and a bubble liquid outlet are respectively located on the hollow outer shell, the lower cover and the upper cover. When the rotor rotates, an inner cavity between the stator and the rotor forms an inner cavity convergence zone and an inner cavity divergence zone. It is characterized in that on the stator, a stepped hole is provided along the normal direction, and the stepped hole is a through hole penetrating in the normal direction. An adjustable watertight slit mechanism is installed in the stepped hole. The adjustable watertight slit mechanism includes two height adjustment blocks and two horizontal adjustment blocks. The two height adjustment blocks are respectively installed on two opposite side surfaces of the stepped hole, and the height adjustment blocks can move along the normal direction of the stator. The two horizontal adjustment blocks are respectively installed on the opposite side surfaces of the two height adjustment blocks, and the horizontal adjustment blocks can move along the tangential direction of the stator. The height adjustment blocks, the horizontal adjustment blocks and the stepped hole are all hermetically connected. The distance between the two horizontal adjustment blocks forms a slit.

[0006] Preferably, the height adjustment block is installed on the normal end face of the stepped hole through a height adjustment bolt. The height adjustment bolt cooperates with the height adjustment screw hole on the height adjustment block. By rotating the height adjustment bolt, the relative position between the height adjustment block and the normal end face of the stepped hole is adjusted.

[0007] Sealing gaskets are installed between the axial end faces of the height adjustment block, the axial end faces of the horizontal adjustment block and the axial end face of the stepped hole. The sealing gaskets are pressed by gasket pressing bolts installed in the screw holes on the axial end face of the stator stepped hole to seal the gaps between the axial end faces of the height adjustment block, the axial end faces of the horizontal adjustment block and the axial end face of the stepped hole. A height adjustment block sealing strip groove is also provided on the side mating surface between the height adjustment block and the stator for installing a height adjustment block sealing strip to seal the gap between the height adjustment block and the side of the stepped hole.

[0008] Preferably, a height adjustment guide rod is also provided on the height adjustment block, which cooperates with the height adjustment guide hole provided on the stator to realize the directional movement of the height adjustment block.

[0009] Preferably, a bolt pre-tightening spring is also provided. The pre-tightening spring is wrapped outside the height adjustment bolt and is located between the height adjustment block and the stator.

[0010] Preferably, U-shaped grooves are provided on the opposite side surfaces of the two height adjustment blocks. The inner side edges of the U-shaped grooves of the height adjustment blocks are horizontal adjustment positioning plates. Horizontal adjustment positioning grooves are provided on the horizontal adjustment blocks and are matched with the horizontal adjustment positioning plates. The horizontal adjustment block is installed in the U-shaped groove of the height adjustment block through a horizontal adjustment block setscrew, and the horizontal adjustment positioning plate is inserted into the horizontal adjustment positioning groove. The horizontal adjustment block setscrew cooperates with the setscrew hole on the horizontal adjustment block. By loosening and tightening the horizontal adjustment block setscrew, the movement and fixation of the horizontal adjustment block are realized.

[0011] On the mating surface of the horizontal adjustment positioning groove and the horizontal adjustment positioning plate, there is also a horizontal adjustment block sealing strip groove for installing the horizontal adjustment block sealing strip to seal the gap between the horizontal adjustment block and the height adjustment block.

[0012] Preferably, the horizontal adjustment block is also provided with a horizontal adjustment guide rod, which cooperates with the horizontal adjustment guide hole provided on the height adjustment block to achieve the directional movement of the horizontal adjustment block.

[0013] Preferably, a plurality of stepped holes are provided along the circumference of the stator, and each stepped hole is equipped with an adjustable water-tight slit mechanism; each adjustable water-tight slit mechanism is adjusted independently.

[0014] Beneficial effects:

[0015] (1) In the present invention, an adjustable water-tight slit mechanism is provided in the stator. Micro-nano bubbles are generated by using the slits in the adjustable water-tight slit mechanism. Moreover, by adjusting various means or their combinations such as the distance between the height adjustment block and the rotor in the adjustable water-tight slit mechanism, adjusting the distance between the horizontal adjustment blocks 9 (i.e., the slit width), and adjusting the slit position, etc., the size and generation amount of micro-nano bubbles can be adjusted in multiple ways, and the adjustment range of micro-nano bubbles is wider.

[0016] (2) The stator 6 and the rotor 14 of the present invention can be cylindrical or processed into a conical surface. It has better practicability, and the cylindrical stator and rotor are more convenient to process and have high processing accuracy.

[0017] (3) The manual mechanical adjustment of the present invention strengthens the sealing between the height adjustment block and the stator, and between the horizontal adjustment block and the height adjustment block while ensuring the adjustment effect, avoiding affecting the generation of micro-nano bubbles.

[0018] (4) Multiple adjustable water-tight slit mechanisms can be set and adjusted independently to obtain a bubble liquid in which bubbles of different sizes are mixed in the required proportions. Description of the drawings

[0019] Figure 1 It is a partial schematic view of the adjustable water-tight slit mechanism of the micro-nano bubble generator of the present invention.

[0020] Figure 2 It is a schematic view of the internal cavity structure of a part of the adjustable water-tight slit mechanism of the micro-nano bubble generator of the present invention.

[0021] Figure 3 It is a schematic view of the overall structure of the micro-nano bubble generating device of the present invention.

[0022] Figure 4 It is a partial view of the adjustable water-tight slit mechanism of the micro-nano bubble generator of the present invention (which can show the ability of the adjustable water-tight slit mechanism to adjust the distance between the slit and the rotor).

[0023] Figure 5 Partial view of the adjustable watertight slit mechanism of the micro-nano bubble generator of the present invention (which can show the ability of the adjustable watertight slit mechanism to adjust the slit width and slit position).

[0024] Figure 6 Schematic diagram of the detailed structure of the height adjustment block 5 of the adjustable watertight slit mechanism of the present invention.

[0025] Figure 7 Schematic diagram of the detailed structure of the height adjustment block 5 and the horizontal adjustment block 9 of the adjustable watertight slit mechanism of the present invention.

[0026] Figure 8 Schematic diagram of the sealing structure of the adjustable watertight slit mechanism of the present invention.

[0027] Among them, 1 - sealing gasket, 2 - gasket pressing bolt, 3 - horizontal adjustment block setscrew, 4 - height adjustment bolt, 5 - height adjustment block, 6 - stator, 7 - horizontal adjustment block sealing strip, 8 - height adjustment block sealing strip, 9 - horizontal adjustment block, 10 - air inlet, 11 - inner cavity convergence area, 12 - adjustable watertight slit, 13 - outer shell, 14 - rotor, 15 - inner cavity divergence area, 16 - lower bearing cover, 17 - lower bearing, 18 - liquid inlet, 19 - lower cover, 20 - bubble liquid outlet, 21 - upper cover, 22 - upper bearing, 23 - upper bearing cover, 24 - adjustment bolt preloading spring, 25 - height adjustment block sealing strip groove, 26 - height adjustment screw hole, 27 - height adjustment guiding rod, 28 - setscrew hole, 29 - horizontal adjustment guiding rod, 30 - horizontal adjustment positioning plate, 31 - height adjustment positioning block, 32 - horizontal adjustment block sealing strip groove, 33 - horizontal adjustment guiding hole, 34 - horizontal adjustment positioning groove. Specific embodiments

[0028] The following combines the accompanying drawings and gives embodiments to describe the present invention in detail.

[0029] The present invention provides a non-contact micro-nano bubble generator with an adjustable watertight slit mechanism, as Figure 3As shown, it includes a stator 6, a rotor 14, a cylindrical housing 13, a lower bearing 17, a lower bearing cover 16, a lower cover 19, an upper cover 21, an upper bearing 22 and an upper bearing cover 23. Among them, the rotor 14 is supported by the lower bearing 17 and the upper bearing 22 and cooperates with the stator 6, and is placed in an outer housing composed of the lower cover 19, the lower bearing cover 16, the cylindrical housing 13, the upper cover 21 and the upper bearing cover 23 connected to each other. The basic structural framework of the micro-nano bubble generator of the present invention is the same as that of the Chinese patent ZL202110927266.0 "Non-contact adjustable micro-nano bubble generator". An outer cavity is formed between the cylindrical housing and the stator, and an inner cavity is formed between the stator and the rotor. An air inlet 10, a liquid inlet 18 and a bubble liquid outlet 20 are respectively arranged on the cylindrical housing 13, the lower cover 19 and the upper cover 21. By designing the shape of the inner cavity, when the rotor rotates, an inner cavity convergence area and an inner cavity divergence area are formed. The gas is sucked into the micro-nano bubble generator through the "negative pressure" or vacuum degree of the cavitation area to generate micro-nano bubbles, and then the liquid containing micro-nano bubbles is discharged through the high pressure generated by frictional jet flow. In the present invention, the stepped holes on the stator of the "Non-contact adjustable micro-nano bubble generator" ZL202110927266.0 are designed as through holes, penetrating the normal thickness of the entire stator, that is, connecting the inner and outer surfaces of the stator; an adjustable watertight slit mechanism is installed on the stepped holes, and by adjusting the width and position of the slit in the adjustable watertight slit mechanism, the size and quantity of the generated micro-nano bubbles are adjusted. A plurality of adjustable watertight slit mechanisms can be installed along the circumference of the stator, and can be evenly arranged, and each adjustable watertight slit mechanism can be independently adjusted. In the present invention, the outer surfaces of the stator and the rotor can adopt a traditional cylindrical shape or a conical shape.

[0030] As Figure 1 and Figure 2 shown, the adjustable watertight slit mechanism of the present invention mainly includes a height adjustment block 5 and a horizontal adjustment block 9. Among them, two height adjustment blocks 5 are respectively installed on two opposite side surfaces of the stepped hole, and the two height adjustment blocks 5 can move along the normal direction of the stator; two horizontal adjustment blocks 9 are respectively installed on the opposite side surfaces of the two height adjustment blocks; the horizontal adjustment block 9 can move along the tangential direction of the stator; the distance between the two water level adjustment blocks 9 forms a slit.

[0031] In order to ensure the pressure difference between the inner and outer cavities and achieve high-pressure dissolved gas - low-pressure gas release, the height adjustment block 5, the horizontal adjustment block 9 and the stepped hole are all hermetically connected.

[0032] The present invention can adopt various methods such as manual, electric, hydraulic, pneumatic, mechanical transmission, etc. to adjust the positions of the height adjustment block 5 and the horizontal adjustment block 9, so as to adjust the size and generation amount of micro-nano bubbles. This embodiment adopts a manual mechanical adjustment method, and the specific structure is as Figures 4 to 8 shown.

[0033] AsFigure 4 , Figure 6 and Figure 8 As shown in ,

[0034] , the height adjustment block 5 is installed on the normal end face of the stepped hole through the height adjustment bolt 4. The height adjustment bolt 4 is matched with the height adjustment screw hole 26 on the height adjustment block 5. By rotating the height adjustment bolt 4, the relative position between the height adjustment block 5 and the normal end face of the stepped hole can be adjusted.

[0034] The opposite sides of the two height adjustment blocks 5 are provided with U-shaped grooves. The inner side of the U-shaped groove of the height adjustment block 5 is the horizontal adjustment positioning plate 30. The horizontal adjustment block 9 is provided with a horizontal adjustment positioning groove 34 that matches the horizontal adjustment positioning plate 30. The horizontal adjustment block 9 is installed in the U-shaped groove of the height adjustment block 5 through the horizontal adjustment block setscrew 3, and the horizontal adjustment positioning plate 30 is inserted into the horizontal adjustment positioning groove 34. The horizontal adjustment block setscrew 3 is matched with the setscrew hole 28 on the horizontal adjustment block 9. By loosening the horizontal adjustment block setscrew 3, the horizontal adjustment block 9 can move freely along the tangent direction of the stator. When the position of the horizontal adjustment block 9 is determined, the horizontal adjustment block setscrew 3 is tightened to fix its relative position with the height adjustment block 5, that is, to adjust the width of the slit. The two horizontal adjustment blocks can be independently adjusted respectively.

[0035] On the side mating surface between the height adjustment block 5 and the stator 6, there is also a height adjustment block seal strip groove 25 for installing the height adjustment block seal strip 8 to seal part of the gap between the height adjustment block 5 and the side of the stepped hole, as shown in Figure 5 , Figure 6 , Figure 8 . The sealing gasket 1 is installed between the axial end face of the height adjustment block 5, the axial end face of the horizontal adjustment block 9 and the axial end face of the stator stepped hole. The surface of the sealing gasket 1 and the surface of the horizontal adjustment block 9 together form the liquid immersion surface of the slit. The gasket pressing bolt 2 is installed in the screw hole opened on the axial end face of the stator 6 stepped hole. By tightening the gasket pressing bolt 2, pressure is applied to the sealing gasket 1 to press the gap between the sealing gasket 1 and the axial end faces of the height adjustment block 5 and the horizontal adjustment block 9 to seal the axial end face. There are also two height adjustment guiding rods 27 on the height adjustment block 5. The other ends of the two guiding rods 27 are inserted into the corresponding positioning holes on the stator 6 to guide the movement of the height adjustment block 5 through the hole-shaft fit, ensuring that the height adjustment block 5 can only perform normal translation relative to the stator 6. At the same time, the cross-section of the height adjustment block seal strip 8 is larger than that of the seal strip groove. After being installed in the groove, it will generate an extrusion force on the seal strip groove. The reaction force of this force is the lateral force received by the guiding rod 27, ensuring that the height adjustment block seal strip 8 is always under a certain pressure extrusion to effectively seal part of the gap between the height adjustment block 5 and the stepped hole.

[0036] ​​​​​​Before adjusting the height adjustment block 5 in the normal direction, the gasket hold-down bolts 2 must be loosened to eliminate significant pressure and friction between the sealing gasket 1 and the height adjustment block 5 and horizontal adjustment block 9. All height adjustment bolts 4 must then be simultaneously tightened to a predetermined amount, changing the spacing between the height adjustment block 5 with its height adjustment screw holes 26 and the stator 6 with its through holes, achieving quantitative adjustment of the height adjustment block 5. Furthermore, the height adjustment bolts 4 are wrapped with preload springs 24, located between the height adjustment block 5 and the stator 6. The height adjustment positioning block 31 is a structural component of the height adjustment block 5, and the height adjustment screw holes 26 are located within it. The pressure of the bolt preload springs 24 maintains the distance between the height adjustment block 5 and the stator 6 during adjustment, preventing the height adjustment block 5 from shifting position. After adjusting the height adjustment block 5 in the normal direction, the gasket hold-down bolts 2 must be tightened to restore significant pressure and friction between the sealing gasket, the height adjustment block 5, and the horizontal adjustment block 9, thereby sealing the axial end faces.

[0037] A horizontal adjustment block sealing strip groove 32 is also provided on the mating surface of the horizontal adjustment positioning groove 34 and the horizontal adjustment positioning plate 30 for installing the horizontal adjustment block sealing strip 7. The horizontal adjustment positioning plate 30 squeezes the horizontal adjustment block sealing strip 7 to deform, thereby sealing part of the gap between the horizontal adjustment block 9 and the height adjustment block 5. Figure 7 and Figure 8 shown.

[0038] The horizontal adjustment block 9 is also equipped with two horizontal adjustment directional rods 29. The other ends of the horizontal adjustment directional rods 29 are inserted into the horizontal adjustment directional holes 33 provided in the height adjustment block 5, ensuring that the horizontal adjustment block 9 can only move in a single direction relative to the height adjustment block 5. The horizontal adjustment block sealing strip 7 has a larger cross-section than the sealing strip groove. When installed in the groove, it exerts a compressive force on the sealing strip groove. The reaction to this force is the lateral force exerted on the horizontal adjustment directional rods 29, ensuring that the horizontal adjustment block sealing strip 7 is always under a certain pressure.

[0039] When this non-contact adjustable micro-nano bubble generator is working, Figure 2As shown, the cylindrical rotor 14 is driven by an external power source and rotates counterclockwise relative to the stator 6. A high-pressure inner cavity convergence zone 11 and a low-pressure inner cavity divergence zone 15 are formed between the cylindrical rotor 14 and the stator 6. The bubble-free liquid enters the inner cavity convergence zone 11 through the liquid inlet 18 under the non-contact adjustable micro-nano bubble generator, and then mixes with the bubble component gas that sequentially enters the inner cavity convergence zone 11 through the gas inlet 10 and the adjustable watertight slit 12. Under the action of high pressure, the gas dissolves in the liquid. As the cylindrical rotor 14 rotates, the liquid dissolved with gas is carried into the low-pressure inner cavity divergence zone 15, and the gas dissolved in the liquid dissolves out in the form of micro-nano bubbles under the action of low pressure. The liquid containing bubbles continues to move upward to the bubble liquid outlet 20 and flows out of the non-contact adjustable micro-nano bubble generator.

[0040] The size and generation amount of micro-nano bubbles of the non-contact adjustable micro-nano bubble generator can be adjusted in the following ways:

[0041] (1) Change the rotation speed of the cylindrical rotor 14. When the rotation speed of the cylindrical rotor 14 increases, the size of the micro-nano bubbles decreases and the generation amount increases;

[0042] (2) Change the gas flow rate entering the generator through the gas inlet 10. When the inlet gas flow rate increases, the size of the micro-nano bubbles increases and the generation amount increases;

[0043] (3) Adjust the distance between the height adjustment block 5 and the rotor 14. When the distance between the height adjustment block 5 and the cylindrical rotor 14 decreases, the size of the micro-nano bubbles decreases and the generation amount decreases;

[0044] (4) Adjust the slit width. The slit width can be changed by adjusting the distance between the two horizontal adjustment blocks 9. When the slit width increases, the size of the micro-nano bubbles increases and the generation amount increases.

[0045] (5) Adjust the slit position. The slit position can be changed by adjusting the positions of the two horizontal adjustment blocks 9 at the same time. The closer the slit position is to the inner cavity convergence zone, the smaller the size of the micro-nano bubbles and the smaller the generation amount.

[0046] In the present invention, an adjustable watertight slit mechanism is provided on the traditional micro-nano bubble generator. By changing the slit width, position, and the distance between the slit and the rotor 14, the size and generation amount of micro-nano bubbles can be adjusted. There are various adjustment methods, and the micro-nano bubble adjustment range is wider. Multiple adjustable watertight slit mechanisms can be set and adjusted independently to obtain a bubble liquid in which bubbles of different sizes are mixed in the required proportion.

[0047] In summary, the above are only the preferred embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A non-contact micro-nano bubble generator with an adjustable watertight slit mechanism, comprising a stator (6), a rotor (14), a hollow outer shell (13), a lower cover (19) and an upper cover (21), an air inlet (10), a liquid inlet (18) and a bubble liquid outlet (20) are respectively located on the hollow outer shell (13), the lower cover (19) and the upper cover (21); when the rotor (14) rotates, an inner cavity convergence area (11) and an inner cavity divergence area (15) are formed in the inner cavity between the stator (6) and the rotor (14); characterized in that, On the stator, a stepped hole is provided in the normal direction, and the stepped hole is a through hole that penetrates in the normal direction; an adjustable watertight slit mechanism is installed in the stepped hole; the adjustable watertight slit mechanism includes two height adjustment blocks (5) and two horizontal adjustment blocks (9); the two height adjustment blocks (5) are respectively installed on two opposite side surfaces of the stepped hole, and the height adjustment blocks (5) can move along the normal direction of the stator; the two horizontal adjustment blocks (9) are respectively installed on the opposite side surfaces of the two height adjustment blocks, and the horizontal adjustment blocks (9) can move along the tangential direction of the stator; there is a sealed connection between the height adjustment blocks (5), the horizontal adjustment blocks (9) and the stepped hole; the distance between the two horizontal adjustment blocks (9) forms a slit.

2. The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism according to claim 1, characterized in that, The height adjustment block (5) is installed on the normal end face of the stepped hole through a height adjustment bolt (4), and the height adjustment bolt (4) cooperates with the height adjustment screw hole (26) on the height adjustment block (5). By rotating the height adjustment bolt (4), the relative position of the height adjustment block (5) and the normal end face of the stepped hole is adjusted. Sealing gaskets (1) are installed between the axial end faces of the height adjustment block (5), the horizontal adjustment block (9) and the axial end face of the stepped hole. The sealing gaskets (1) are pressed by gasket pressing bolts (2) installed in the screw holes on the axial end face of the stepped hole of the stator (6) to seal the gaps between the axial end faces of the height adjustment block (5), the horizontal adjustment block (9) and the axial end face of the stepped hole; a height adjustment block sealing strip groove (25) is also provided on the side mating surface of the height adjustment block (5) and the stator (6) for installing a height adjustment block sealing strip (8) to seal the gap between the height adjustment block (5) and the side of the stepped hole.

3. The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism according to claim 2, characterized in that, A height adjustment guiding rod (27) is also provided on the height adjustment block (5), which cooperates with the height adjustment guiding hole provided on the stator (6) to realize the directional movement of the height adjustment block (5).

4. The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism according to claim 2 or 3, characterized in that, A bolt preloading spring (24) is also provided. The preloading spring (24) is wrapped outside the height adjustment bolt (4) and is located between the height adjustment block (5) and the stator (6).

5. The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism according to claim 1, characterized in that, U-shaped grooves are provided on the opposite side surfaces of the two height adjustment blocks (5). The inner side edges of the U-shaped grooves of the height adjustment blocks (5) are horizontal adjustment positioning plates (30). Horizontal adjustment positioning grooves (34) are provided on the horizontal adjustment blocks (9) that cooperate with the horizontal adjustment positioning plates (30); the horizontal adjustment blocks (9) are installed in the U-shaped grooves of the height adjustment blocks (5) through horizontal adjustment block set screws (3), and the horizontal adjustment positioning plates (30) are inserted into the horizontal adjustment positioning grooves (34); the horizontal adjustment block set screws (3) cooperate with the set screw holes (28) on the horizontal adjustment blocks (9). By loosening and tightening the horizontal adjustment block set screws (3), the movement and fixation of the horizontal adjustment blocks (9) are realized. A horizontal adjustment block sealing strip groove (32) is also provided on the mating surface of the horizontal adjustment positioning groove (34) and the horizontal adjustment positioning plate (30) for installing a horizontal adjustment block sealing strip (7) to seal the gap between the horizontal adjustment block (9) and the height adjustment block (5).

6. The non-contact micro-nano bubble generator with an adjustable water-tight slit mechanism according to claim 4 or 5, characterized in that, A horizontal adjustment guide rod (29) is further provided on the horizontal adjustment block (9), which cooperates with a horizontal adjustment guide hole (33) provided on the height adjustment block (5) to realize the directional movement of the horizontal adjustment block (9).

7. The non-contact micro-nano bubble generator with an adjustable watertight slit mechanism according to claim 1, characterized in that, A plurality of stepped holes are provided along the circumference of the stator, and each stepped hole is equipped with an adjustable watertight slit mechanism; each adjustable watertight slit mechanism is adjusted independently.

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