Solid aerosol-generating device

Abstract

The application discloses a solid aerosol generating device, which comprises a storage bin, a dispersing assembly, a feeding assembly and an aerosol discharge pipe connected to two ends of the storage bin respectively, the feeding assembly is used for adding powder into the storage bin, and the feeding assembly comprises an upper feeding valve used for controlling the opening and closing of the storage bin and the external environment; the dispersing assembly comprises a rotating brush which is rotatably arranged and tangent to the inner wall of the aerosol discharge pipe, and the rotating brush is used for dispersing the powder in the aerosol discharge pipe so that the powder is mixed with compressed gas to form a solid aerosol. The whole device adopts a sealed design, can effectively isolate the external environment, avoid the influence of the external environment on the powder during the feeding process, realize continuous and stable feeding, and ensure that the generated solid aerosol can be stably and continuously input into a target environment with different pressures.

Description

Technical Field

[0001] This invention relates to the field of aerosol preparation technology, and in particular to a solid aerosol generating device. Background Technology

[0002] Taking the measurement of the separation performance of a gas-solid separation element or separator as an example, it is necessary to use a solid aerosol generator to form a certain concentration of aerosol particles in the upstream pipeline of the separator. By measuring the aerosol concentration downstream of the separator, the separation efficiency of the separator can be determined. The actual simulated gas-solid two-phase flow pressure conditions are quite complex and need to be carried out under different pressure conditions. This requires the solid aerosol generator to be able to stably and continuously introduce aerosols into various pressure environments.

[0003] There are various types of solid aerosol generators available, mainly including mechanically dispersed, fluidized bed, and ejector types. Mechanically dispersed generators are generally limited to atmospheric pressure environments due to mechanical seal limitations. Fluidized bed generators, while capable of sealed generation, are only suitable for environments slightly above atmospheric pressure. Ejector generators utilize the Venturi effect, creating negative pressure as a high-speed airflow passes through, ejecting dust particles to form aerosols, making them less susceptible to introduction into high-pressure environments.

[0004] Currently, although there are solid aerosol generators that can be used in high-pressure environments, including unidirectional feeding components, these unidirectional feeding components are not absolutely isolated from the external environment. During the feeding process, the powder is easily affected by adverse factors such as ambient temperature, humidity and air velocity, resulting in discontinuous feeding and thus discontinuous aerosol generation. Summary of the Invention

[0005] In view of this, the purpose of the present invention is to provide a solid aerosol generating device, which adopts a sealed design to effectively isolate the external environment, ensures continuous and stable feeding, and ensures that the generated solid aerosol can be stably and continuously input into target environments with different pressures.

[0006] The solid aerosol generating device provided by the present invention includes a storage bin, a dispersion component, and a feeding component and an aerosol discharge pipe respectively connected to both ends of the storage bin. The feeding component is used to add powder to the storage bin and includes an upper feeding valve for controlling the connection between the storage bin and the external environment. The dispersion component includes a rotating brush that is rotatably arranged and tangent to the inner wall of the aerosol discharge pipe. The rotating brush is used to disperse the powder in the aerosol discharge pipe so that the powder mixes with compressed gas to form a solid aerosol.

[0007] Preferably, the storage silo is rotatably equipped with a stirring rod for stirring the powder, and the stirring rod is fixed with a spindle-shaped adjusting block. An annular gap for the powder to flow through is formed between the spindle-shaped adjusting block and the conical inner wall of the storage silo.

[0008] Preferably, the conical discharge port of the storage silo is rotatably mounted on the feed screw, the feed screw is integrally connected to the stirring rod, and an adjustment gap is formed between the feed screw and the conical discharge port. The feed screw is used to control the feed rate of the adjustment gap by adjusting its own rotation speed.

[0009] Preferably, it further includes a primary feed adjustment component fixedly connected to the stirring rod and located at the feed inlet of the storage silo. The primary feed adjustment component is used to drive the stirring rod to reciprocate along the axial direction of the storage silo, so as to adjust the feed amount of the annular gap by adjusting the width of the annular gap.

[0010] Preferably, it also includes a drive shaft, and the primary feed adjustment component includes:

[0011] An adjusting bushing, one end of which is slidably sleeved on the drive shaft and the other end is fixedly connected to the stirring rod, for driving the stirring rod to rotate synchronously with the drive shaft;

[0012] An active adjustment gear and a passive adjustment gear are respectively located on both sides of the adjustment shaft sleeve and mesh with the annular adjustment teeth on the outer surface of the adjustment shaft sleeve; when the active adjustment gear rotates, the active adjustment gear and the passive adjustment gear jointly drive the adjustment shaft sleeve to slide back and forth along the drive shaft, and the stirring rod slides synchronously with the adjustment shaft sleeve.

[0013] Preferably, the primary feed adjustment assembly further includes an adjustment sealing cover covering the adjustment bushing, the active adjustment gear, and the passive adjustment gear, and also includes:

[0014] A stirring drive motor connected to the drive shaft;

[0015] The feed air supply pipe connector connects the regulating sealing cover and the stirring drive motor;

[0016] A feeding connection pipe joint that connects the regulating sealing cover and the storage silo and is connected to the feeding assembly.

[0017] Preferably, the stirring drive motor includes:

[0018] Motor body;

[0019] A sealed outer casing for the motor body, which is fixedly connected to the feed air supply pipe connector;

[0020] A motor sealing end cover fixed to the motor sealing housing;

[0021] An end cover sealing gasket is installed between the motor sealing housing and the motor sealing end cover;

[0022] Wiring terminals embedded in the motor sealing end cover;

[0023] A wiring sealing gasket is placed between the wiring terminal and the motor sealing end cover.

[0024] Preferably, the feeding assembly includes a feeding bin, a feeding cover covering the feeding port of the feeding bin, a feed hopper, and a lower feeding valve located at the discharge port of the feeding bin, with an upper feeding valve located between the feed hopper and the feeding cover; when the upper feeding valve is open and the lower feeding valve is closed, the powder enters the feeding bin from the feed hopper; when the upper feeding valve is closed and the lower feeding valve is open, the powder flows from the feeding bin into the storage bin.

[0025] Preferably, the feeding assembly further includes a feeding vibrator fixed to the outside of the feeding bin and used to drive the feeding bin to vibrate.

[0026] Preferably, the inlet of the storage silo is equipped with a feed vibrator for vibrating the powder, and the conical outlet of the storage silo is equipped with a discharge vibrator for vibrating the powder.

[0027] Preferably, it further includes a secondary feed regulating component disposed between the storage silo and the dispersing component for adjusting the feed rate. The secondary feed regulating component includes a double impeller feed regulating component and / or a vibrating feed regulating component.

[0028] Preferably, the dual-impeller feed regulating assembly includes:

[0029] An active impeller and a driven impeller are rotatably arranged and mesh with each other, forming a feed gap for controlling the feed rate;

[0030] Impeller casing covering the driving and driven impellers;

[0031] A feed cone pipe connecting the feed inlet of the impeller casing and the storage bin;

[0032] A discharge cone-shaped pipe connecting the discharge port of the impeller casing and the dispersing assembly.

[0033] Preferably, the vibration feed adjustment assembly includes:

[0034] Vibrating feed pipe;

[0035] A control feed pipe that intersects with and is inserted into the vibrating feed pipe;

[0036] A linear vibrator fixed to the outside of a vibrating feed pipe and used to adjust the feed rate of the feed gap formed between the vibrating feed pipe and the control feed pipe.

[0037] A flexible feed pipe connecting the control feed pipe and the storage bin;

[0038] A flexible discharge pipe connecting the vibrating feed pipe and the dispersing component.

[0039] Preferably, the dispersion component includes:

[0040] A dispersion drive motor connected to a rotating brush;

[0041] A motor isolation housing covering the outside of the distributed drive motor;

[0042] A brush cover that covers the outside of the rotating brush;

[0043] A sealing transition shell is provided between the motor isolation housing and the brush cover housing;

[0044] A rotary support component fixed between the sealed transition shell and the rotating brush, used to separate the distributed drive motor and the rotating brush and to support the rotation of the rotating brush.

[0045] Preferred options also include:

[0046] The first air supply pipe is connected to the inlet of the storage silo;

[0047] A second air supply pipe connected to the feeding hopper of the feeding assembly;

[0048] A third air supply pipe connected to the conical discharge port of the storage silo;

[0049] A discharge control valve located at the inlet of the aerosol discharge pipe;

[0050] When the discharge control valve is closed, the inlet pressure regulating valves of the first, second and third air supply pipes are all opened, and the storage bin and the feeding bin are replenished with air until the internal gas pressure of the two is balanced with the external ambient pressure. The upper feeding valve is opened, and the lower feeding valve of the feeding component and all the inlet pressure regulating valves are closed, and the powder is stored in the feeding bin.

[0051] When the powder in the storage silo reaches the preset amount, the upper feeding valve closes, all air inlet pressure regulating valves reopen, and the storage silo and feeding silo continue to be supplied with air until the internal gas pressure of both is balanced with the target ambient pressure. Then, the lower feeding valve and the discharge control valve open, and the powder flows from the feeding silo into the storage silo.

[0052] Compared with the prior art, the solid aerosol generating device provided by the present invention includes a storage bin, a dispersion component, a feeding component, and an aerosol discharge pipe. The two ends of the storage bin are respectively connected to the feeding component and the aerosol discharge pipe. The feeding component includes an upper feeding valve, and the dispersion component includes a rotating brush.

[0053] When feeding, the upper feeding valve is opened, and the feeding component adds the powder into the storage silo. The powder flows from the storage silo into the aerosol discharge pipe. The rotating brush disperses the powder in the aerosol discharge pipe, so that the powder and compressed gas mix in the aerosol discharge pipe to form a solid aerosol. The solid aerosol enters the target environment along the aerosol discharge pipe.

[0054] After the material is fed into the storage silo, the upper feeding valve is closed, isolating the first end of the storage silo from the external environment. Meanwhile, the rotating brush disperses the powder in the aerosol discharge pipe. When the aerosol discharge pipe is connected to the target environment, the second end of the storage silo is also isolated from the external environment. This isolates the entire device from the external environment, preventing the powder from being affected by the external environment during the feeding process, achieving continuous and stable feeding, and ensuring that the generated solid aerosol can be stably and continuously input into the target environment at different pressures. Attached Figure Description

[0055] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0056] Figure 1 This is a structural diagram of the solid aerosol generating device provided in the first specific embodiment of the present invention;

[0057] Figure 2 for Figure 1 Cross-sectional view of the central storage silo and its internal accessories;

[0058] Figure 3 for Figure 1 Cross-sectional view of the dispersion component;

[0059] Figure 4 for Figure 1 Cross-sectional view of the distributed components;

[0060] Figure 5 for Figure 1 Main view of the feeding component;

[0061] Figure 6 for Figure 5 Side view;

[0062] Figure 7 for Figure 1 Structural diagram of the primary feed adjustment component;

[0063] Figure 8 for Figure 7 Sectional view along axis AA;

[0064] Figure 9 for Figure 1 Structural diagram of the stirring drive motor;

[0065] Figure 10 for Figure 9 Sectional view along the BB direction;

[0066] Figure 11 for Figure 1 Cross-sectional view of the feed air supply pipe connector and its internal accessories;

[0067] Figure 12 for Figure 11 Structural diagram of the central fabric air-conditioning panel;

[0068] Figure 13 for Figure 1 Cross-sectional view of the double impeller feed regulating assembly;

[0069] Figure 14 This is a structural diagram of the solid aerosol generating device provided in the second specific embodiment of the present invention;

[0070] Figure 15 for Figure 14 Cross-sectional view of the vibratory feed adjustment assembly.

[0071] The attached figures are labeled as follows:

[0072] Storage bin 11, dispersion component 12, feeding component 13, aerosol discharge pipe 14, stirring rod 15, primary feed adjustment component 16, stirring drive motor 17, feed air supply pipe connector 18, feeding connection pipe connector 19, double impeller feed adjustment component 20, vibrating feed adjustment component 21, discharge air supply pipe connector 22, and discharge control valve 23;

[0073] Feed vibrator 111 and discharge vibrator 112;

[0074] Rotating brush 121, dispersion drive motor 122, motor isolation housing 123, brush cover 124, sealing transition housing 125, and rotary support 126;

[0075] Upper feeding valve 131, feeding bin 132, feeding cover 133, feeding hopper 134, lower feeding valve 135, feeding vibrator 136 and vibration fixing frame 137;

[0076] Pressure regulating port 1331;

[0077] Spindle-shaped regulating block 151, feed screw 152 and stirring paddle 153;

[0078] Adjusting bushing 161, active adjusting gear 162, passive adjusting gear 163, adjusting sealing cover 164, gear fixing blind plate 165, and adjusting drive motor 166;

[0079] Rigid coupling 170, drive shaft 171, motor body 172, motor sealing housing 173, motor sealing end cover 174, end cover sealing gasket 175, wiring terminal 176 and wiring sealing gasket 177.

[0080] Feed air supply connector 181 and air distribution plate 182;

[0081] Feed pipe connector 191;

[0082] The impeller 201 is driven, the impeller 202 is driven, the impeller casing 203 is driven, the feed cone tube 204 is discharged, the discharge cone tube 205 is discharged, the material outlet 206 is discharged, and the impeller drive motor 207 is driven.

[0083] Vibrating feed pipe 211, control feed pipe 212, linear vibrator 213, flexible feed pipe 214, flexible discharge pipe 215, and air inlet 216;

[0084] 221. Air supply connector for discharge. Detailed Implementation

[0085] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0086] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0087] This invention discloses a solid aerosol generator, which adopts a sealed design to protect its interior from external environmental influences. This allows the internal gas pressure of the device to be balanced with the target environmental pressure, ensuring that the generated solid aerosol of a set concentration can be stably and continuously introduced into target environments at different pressures.

[0088] like Figures 1 to 3 As shown, the above-mentioned solid aerosol generating device includes a storage bin 11, a feeding component 13, a dispersion component 12, and an aerosol discharge pipe 14.

[0089] The storage silo 11 is used to store powder. The inner wall of the storage silo 11 is conical, and its inlet diameter is larger than its outlet diameter, so that the powder can flow out along the inner wall of the storage silo 11 under the action of gravity, avoiding powder blockage. Of course, the structure of the storage silo 11 is not limited to this.

[0090] The feeding assembly 13 and the aerosol discharge pipe 14 are respectively connected to both ends of the storage silo 11. The feeding assembly 13 is located upstream of the storage silo 11 and is used to add powder to the storage silo 11. The aerosol discharge pipe 14 is located downstream of the storage silo 11 and is used to provide space for the generation of solid aerosols and guide the solid aerosols to be discharged to the target environment. The feeding assembly 13 includes an upper feeding valve 131, which is used to control the connection between the storage silo 11 and the external environment, ensuring that the storage silo 11 is isolated from the external environment after feeding, so that the storage silo 11 has good sealing performance. The upper feeding valve 131 can be a manual ball valve, but its type is not limited to this.

[0091] The dispersion assembly 12 includes a rotating brush 121 rotatably disposed and tangential to the inner wall of the aerosol discharge pipe 14, used to disperse powder within the aerosol discharge pipe 14 so that the powder mixes with compressed gas to form a solid aerosol. The rotating brush 121 disperses the powder using a tangential dispersion method; specifically, the rotation direction of the rotating brush 121 is tangential to the inner wall of the aerosol discharge pipe 14 to ensure a high degree of powder dispersion. Only a portion of the rotating brush 121 extends into the aerosol discharge pipe 14, and the diameter of the rotating brush 121 is at least twice the inner diameter of the aerosol discharge pipe 14 to ensure a sufficiently large dispersion cross-section. It should be noted that the inner diameters at the two ends of the aerosol discharge pipe 14 are different; the inner diameter of the section above the rotating brush 121 is smaller than the inner diameter of the section below the rotating brush 121. Considering that the rotating brush 121 is prone to generating static electricity by rubbing against the inner wall of the aerosol discharge pipe 14 when rotating at high speed, the aerosol discharge pipe 14 can be grounded, and the material of the brush is preferably a static-free material.

[0092] When feeding, the upper feeding valve 131 is opened, and the feeding component 13 adds the powder to the storage bin 11. The powder flows from the storage bin 11 into the aerosol discharge pipe 14. The rotating brush 121 disperses the powder in the aerosol discharge pipe 14, so that the powder and compressed gas mix in the aerosol discharge pipe 14 to form a solid aerosol. The solid aerosol enters the target environment along the aerosol discharge pipe 14.

[0093] After feeding is completed in the storage silo 11, the upper feeding valve 131 is closed, isolating the first end of the storage silo 11 from the external environment. The rotating brush 121 is rotatably set and tangential to the inner wall of the aerosol discharge pipe 14. The rotating brush 121 disperses the powder. When the aerosol discharge pipe 14 connects to the target environment, the second end of the storage silo 11 is also isolated from the external environment. This isolates the entire device from the external environment, preventing the powder from being affected by the external environment during feeding, achieving continuous and stable feeding, and ensuring that the generated solid aerosol can be stably and continuously input into the target environment at different pressures. It should be noted that when the rotating brush 121 stops rotating, it can cut off the powder falling along the aerosol discharge pipe 14.

[0094] A rotatable stirring rod 15 is installed inside the storage silo 11 to stir the powder and prevent it from clumping and clogging. Specifically, two stirring paddles 153 are integrally formed on the outer side of the stirring rod 15. Both stirring paddles 153 are made of thin rods bent into shape, resulting in low resistance and a simple structure. They do not require much space in the storage silo 11 and provide good stirring effect. The two stirring paddles 153 are distributed at 180 degrees around the circumference of the stirring rod 15, with one being longer and the other shorter. The projection of the shorter stirring paddle 153 onto the stirring rod 15 is completely within the projection range of the longer stirring paddle 153, ensuring that the two stirring paddles 153 at different heights fully stir the powder in the storage silo 11, resulting in good stirring effect. The upper end of the stirring rod 15 is fixedly connected to the adjusting sleeve 161 of the primary feed adjusting component 16. The stirring rod 15 and the adjusting sleeve 161 can be connected by a key to ensure that the stirring rod 15 can rotate synchronously with the adjusting sleeve 161 and reciprocate along the axial direction of the storage bin 11 with the adjusting sleeve 161. Of course, the structure of the stirring rod 15 is not limited to this; for example, it can also be an impeller agitator or a screw agitator.

[0095] A spindle-shaped adjusting block 151 is fixedly provided at the lower end of the stirring rod 15 to prevent powder accumulation. An annular gap is formed between the spindle-shaped adjusting block 151 and the conical inner wall of the storage bin 11, allowing the powder in the storage bin 11 to be discharged through the annular gap. The taper of both conical surfaces of the spindle-shaped adjusting block 151 can be determined according to the taper of the inner wall of the storage bin 11. Of course, the spindle-shaped adjusting block 151 can also be replaced by a conical adjusting block without affecting the purpose of the present invention.

[0096] The bottom of the storage silo 11 is equipped with a conical discharge port to prevent powder accumulation. A feed screw 152 is rotatably mounted on the conical discharge port. The feed screw 152 is integrally connected to the stirring rod 15 and rotates synchronously with the stirring rod 15, causing the feed screw 152 to rotate relative to the conical discharge port. An adjusting gap is formed between the feed screw 152 and the conical discharge port. When the feed screw 152 rotates relative to the conical discharge port, powder flows out through the adjusting gap. The feed rate through the adjusting gap is determined by the rotational speed of the feed screw 152. When the feed screw 152 rotates at an ideal, uniform speed, the powder can flow out of the adjusting gap evenly and stably. When the rotational speed of the feed screw 152 increases, the feed rate through the adjusting gap increases; conversely, the feed rate through the adjusting gap decreases.

[0097] The inner diameter of the conical discharge port is determined by the outer diameter of the feed screw 152. Preferably, the inner diameter of the conical discharge port is 1-2 mm larger than the outer diameter of the feed screw 152. This avoids excessive powder leakage due to an excessively large adjustment gap, and also avoids excessive friction between the conical discharge port and the feed screw 152 due to an excessively small adjustment gap. This reduces the risk of jamming of the feed screw 152 and ensures smooth rotation of the feed screw 152.

[0098] The aforementioned solid aerosol generator also includes a primary feed adjustment component 16 located at the feed inlet of the storage silo 11. The primary feed adjustment component 16 is fixedly connected to the stirring rod 15 and is used to drive the stirring rod 15 to reciprocate along the axial direction of the storage silo 11, thereby adjusting the feed rate of the annular gap by adjusting the width of the annular gap. Specifically, when the primary feed adjustment component 16 drives the stirring rod 15 to rise, the stirring rod 15 drives the spindle-shaped adjustment block 151 to rise synchronously, increasing the width of the annular gap and consequently increasing the feed rate of the annular gap. When the primary feed adjustment component 16 drives the stirring rod 15 to fall, the stirring rod 15 drives the spindle-shaped adjustment block 151 to fall synchronously, decreasing the width of the annular gap and consequently reducing the feed rate of the annular gap. When the width of the annular gap is reduced to its minimum, the annular gap can act as a throttling device, preventing excessive powder from clogging the adjustment gap between the feed screw 152 and the conical discharge port. When the spindle-shaped adjusting block 151 descends to its lowest position, it is in close contact with the inner wall of the conical discharge port, and the feeding can be directly disconnected.

[0099] The aforementioned solid aerosol generator also includes a rotatably mounted drive shaft 171 for driving the stirring rod 15 to rotate. The primary feed adjustment assembly 16 includes an adjustment sleeve 161, an active adjustment gear 162, and a passive adjustment gear 163. The upper end of the adjustment sleeve 161 is slidably fitted onto the drive shaft 171, and its lower end is fixedly connected to the stirring rod 15. It should be noted that the adjustment sleeve 161 and the drive shaft 171 are coaxially nested. A connecting key is radially fixed to the inner wall of the adjustment sleeve 161, and the drive shaft 171 has a mating groove. The connecting key and the mating groove are radially engaged with the adjustment sleeve 161, ensuring both unobstructed up-and-down reciprocating movement of the adjustment sleeve 161 relative to the drive shaft 171 and synchronous rotation of the adjustment sleeve 161 with the drive shaft 171.

[0100] An active adjusting gear 162 and a passive adjusting gear 163 are respectively located on both sides of an adjusting sleeve 161. An annular adjusting tooth is provided on the outer side of the adjusting sleeve 161, and both the active adjusting gear 162 and the passive adjusting gear 163 mesh with the annular adjusting tooth. When the active adjusting gear 162 rotates, the active adjusting gear 162 and the passive adjusting gear 163 jointly drive the adjusting sleeve 161 to slide back and forth along the drive shaft 171. The stirring rod 15 slides synchronously with the adjusting sleeve 161, thereby adjusting the feed rate of the annular gap by adjusting its width. When the active adjusting gear 162 rotates clockwise, the adjusting sleeve 161 moves along the drive shaft 171, and the stirring rod 15 rises with the adjusting sleeve 161, increasing the width of the annular gap and thus increasing its feed rate. Conversely, when the active adjusting gear 162 rotates counterclockwise, the feed rate of the annular gap decreases. It should be noted that the annular adjusting teeth on the outer side of the adjusting bushing 161 are preferably parallel annular racks. Such racks can ensure that the adjusting bushing 161 does not affect the synchronous rotation of the adjusting bushing 161 with the drive shaft 171 when adjusting the adjusting bushing 161 up and down.

[0101] The primary feed adjustment assembly 16 also includes an adjustment sealing cover 164, which covers the adjustment bushing 161, the active adjustment gear 162, and the passive adjustment gear 163, primarily serving a sealing and pressure-bearing function. The shafts of both the active and passive adjustment gears 162 and 163 pass through the adjustment sealing cover 164, ensuring a fixed radial distance between them. A gear fixing blind plate 165 is fixed to the open end of the adjustment sealing cover 164, supporting the rotation of the passive adjustment gear 163 while also sealing the adjustment sealing cover 164, thus providing good sealing performance for the primary feed adjustment assembly 16.

[0102] The primary feed adjustment assembly 16 also includes an adjustment drive motor 166 connected to the active adjustment gear 162, used to drive the active adjustment gear 162 to rotate. The adjustment drive motor 166 also adopts a sealed design, isolating it from the outside world. Its structure and connection relationship can be referred to the stirring drive motor 17 described below.

[0103] The aforementioned solid aerosol generator also includes a stirring drive motor 17, a feed gas supply pipe connector 18, and a feeding connection pipe connector 19. One end of the drive shaft 171 is rigidly connected to the output shaft of the stirring drive motor 17 via a rigid coupling 170, and the other end is connected to an adjusting bushing 161, so that the stirring drive motor 17 drives the stirring rod 15 to rotate through the drive shaft 171 and the adjusting bushing 161.

[0104] The feed air supply connector 18 connects the regulating sealing cover 164 and the stirring drive motor 17. This isolates the connection between the primary feed regulating component 16 and the stirring drive motor 17 from the external environment, while also supplying air to the storage silo 11 during feeding to regulate its pressure. Specifically, the feed air supply connector 18 is a Y-shaped tee, including a feed air supply connector 181 for supplying air to the storage silo 11, and two other connectors coaxially connected to the regulating sealing cover 164 and the stirring drive motor 17, respectively. The drive shaft 171 is rotatably mounted inside the feed air supply connector 18. An air distribution plate 182 is fixed inside the feed air supply connector 181. The air distribution plate 182 has several concentrically arranged ventilation holes to evenly disperse the airflow, ensuring uniform flow into the storage silo 11 and preventing excessive concentration of the input airflow from affecting the powder flow. The cross-sectional shape of the air distribution plate 182 is the same as that of the feed air supply connector 181, and no specific limitation is made here.

[0105] The feeding connection pipe joint 19 is connected to the feeding assembly 13, and the two are set at an angle. Two of the joints of the feeding connection pipe joint 19 are coaxially connected and connected to the adjusting sealing cover 164 and the storage silo 11 respectively, while the other joint is set at an angle and connected to the feeding assembly 13. This allows the primary feeding adjusting assembly 16, the feeding assembly 13, and the storage silo 11 to be connected through the feeding connection pipe joint 19, introducing the powder in the feeding silo 132 into the storage silo 11. In addition, the feeding connection pipe joint 19 can also isolate the connection between the adjusting sealing cover 164 and the storage silo 11 from the external environment. The feeding connection pipe joint 19 can also be a Y-shaped connecting tee, through which a stirring rod 15 is installed. The stirring drive motor 17, the feeding air supply pipe connector 18, the primary feeding adjustment component 16, the feeding connection pipe connector 19, and the storage silo 11 are connected in sequence from top to bottom. This not only isolates the storage silo 11 from the external environment but also allows for both air supply and feeding of the storage silo 11, resulting in a more compact overall structure.

[0106] The stirring drive motor 17 includes a motor body 172, a motor sealing housing 173, a motor sealing end cover 174, an end cover sealing gasket 175, a wiring terminal 176, and a wiring sealing gasket 177. The motor body 172 is specifically a geared motor. The motor sealing housing 173 encloses the outside of the motor body 172, and its lower end houses a rigid coupling 170 which is fixedly connected to the feed air supply pipe connector 18. The rigid coupling 170 and the motor body 172 are sealed together within the motor sealing housing 173, isolating the connection between the motor body 172 and the drive shaft 171 from the external environment. The upper end of the motor sealing housing 173 is fixedly connected to the motor sealing end cover 174. An end cover sealing gasket 175 is provided between the motor sealing housing 173 and the motor sealing end cover 174 to seal the gap between them, thereby ensuring that the motor body 172 is isolated from the external environment. Specifically, the motor sealing housing 173 and the motor sealing end cover 174 are detachably connected by several sets of matching fastening bolts and nuts. A terminal block 176 is embedded in the motor sealing end cover 174. The motor body 172 is connected to an external power source through the terminal block 176. A terminal sealing washer 177 is provided between the terminal block 176 and the motor sealing end cover 174 to ensure a tight fit between the motor sealing end cover 174 and the terminal block 176, further ensuring that the motor body 172 is isolated from the external environment and that the stirring drive motor 17 has good sealing performance.

[0107] The feeding assembly 13 includes a feeding bin 132, a feeding cover 133, a feed hopper 134, and a lower feeding valve 135. The feeding bin 132 has a feeding port at its upper end, and the feeding cover 133 covers the feeding port. The feeding bin 132 and the feeding cover 133 are combined to store powder, allowing the feeding bin 132 to serve as a transition point for powder during feeding. The feed hopper 134 is conical for easy feeding. The lower feeding valve 135 is located at the outlet of the feeding bin 132. A feeding pipe connector 19 is integrally inclined and includes a feeding pipe connector 191. The lower feeding valve 135 is specifically located between the outlet of the feeding bin 132 and the feeding pipe connector 191, used to control the flow of powder when feeding into the storage bin 11. An upper feeding valve 131 is located between the feed hopper 134 and the feeding cover 133, and is used to control the flow of powder when feeding into the feeding bin 132. Both the upper feeding valve 131 and the lower feeding valve 135 are manual ball valves. When the upper feeding valve 131 is open and the lower feeding valve 135 is closed, the powder enters the feeding bin 132 from the feed hopper 134. When the upper feeding valve 131 is closed and the lower feeding valve 135 is open, the feeding bin 132 is isolated from the external environment, and the powder flows from the feeding bin 132 into the storage bin 11.

[0108] The feeding assembly 13 also includes a feeding vibrator 136 fixed to the outside of the feeding hopper 132, capable of generating vibration at a fixed frequency to drive the feeding hopper 132 to vibrate, ensuring that the powder does not adhere to or clog the feeding hopper 132 during feeding. Specifically, a vibration fixing frame 137 is fixedly fitted to the outer side of the feeding port of the feeding hopper 132, and the feeding vibrator 136 is fixed to the vibration fixing frame 137 by fastening screws. The feeding vibrator 136 is preferably a pneumatic vibrator, using compressed gas of different pressures to adjust the vibration frequency of the pneumatic vibrator, which is convenient to adjust, has strong vibration force, and does not require an additional power supply. Of course, the type of feeding vibrator 136 is not limited to this.

[0109] It should be noted that the feeding cover 133 is equipped with a pressure regulating port 1331, which is connected to the feeding hopper 132 and is used to regulate the pressure inside the feeding hopper 132. When feeding is required, the lower feeding valve 135 is closed, and the pressure regulating port 1331 is used to release pressure. When the pressure inside the feeding hopper 132 is reduced to the same as the external ambient pressure, the upper feeding valve 131 is opened, and powder is added from the feed hopper 134. The powder enters the feeding hopper 132 under the combined action of gravity and vibration. When an appropriate amount of powder is added to the feeding hopper 132, the upper feeding valve 131 is closed to isolate the feeding hopper 132 from the external environment. Compressed gas is introduced into the pressure regulating port 1331 to pressurize the feeding hopper 132 until the pressure inside the feeding hopper 132 reaches the pressure inside the storage hopper 11. Then, the lower feeding valve 135 is opened, and the powder enters the storage hopper 11 through the feeding connection pipe joint 19 under the combined action of pressure difference and vibration, thus completing the feeding process.

[0110] A feed vibrator 111 is fixedly installed at the feed inlet of the storage silo 11. This vibrates the powder during feeding, ensuring it enters the silo smoothly under the action of the stirring rod 15 and the feed vibrator 111, preventing agglomeration or adhesion of the powder to the inner wall of the silo. A discharge vibrator 112 is fixedly installed at the conical discharge outlet of the storage silo 11. This vibrates the powder as it flows out of the silo, allowing it to pass sequentially through the annular gap and adjusting slit into the secondary feed regulating component, preventing blockage. Of course, the fixing method, type, and working principle of both the feed vibrator 111 and the discharge vibrator 112 can refer to the feeding vibrator 136, and are not specifically limited here.

[0111] The aforementioned solid aerosol generator also includes a secondary feed regulating component located between the storage silo 11 and the dispersion component 12, used to regulate the feed rate. The secondary feed regulating component includes a dual impeller feed regulating component 20 and / or a vibrating feed regulating component 21, that is, the dual impeller feed regulating component 20 and the vibrating feed regulating component 21 can be used individually or in series.

[0112] In a first specific embodiment, the secondary feed adjustment component is a double impeller feed adjustment component 20.

[0113] The dual-impeller feed regulating assembly 20 is located downstream of the storage silo 11, allowing for finer control of the feed rate for smaller powder particles. The dual-impeller feed regulating assembly 20 includes a driving impeller 201, a driven impeller 202, an impeller housing 203, a feed cone 204, and a discharge cone 205. The driving impeller 201 and the driven impeller 202 are interlocked and rotatable, used to scrape the powder into the discharge cone 205. A feed gap is formed between the driving impeller 201 and the driven impeller 202 to control the feed rate. The impeller housing 203 covers the driving impeller 201 and the driven impeller 202, isolating them from the external environment and ensuring good sealing of the dual-impeller feed regulating assembly 20. The impeller casing 203 can adopt a split structure, including a first casing and a second casing that interlock. The first casing and the second casing are fixed together with fastening bolts, which facilitates the maintenance of the driving impeller 201 and the driven impeller 202. The impeller casing 203 is provided with a material-binding port 206 to constrain the powder and facilitate the two impellers to scrape away the powder. A certain gap is left between the material-binding port 206 and the two impellers to constrain the powder, ensuring that the rotation of the two impellers is unobstructed and preventing powder leakage.

[0114] A feed cone pipe 204 is connected between the feed inlet of the impeller casing 203 and the storage bin 11, used to introduce powder into the impeller casing 203 through the adjusting gap. The feed cone pipe 204 is conical in shape for easy feeding. A discharge cone pipe 205 is connected between the discharge inlet of the impeller casing 203 and the dispersing assembly 12, used to introduce powder from the impeller casing 203 into the dispersing assembly 12. The discharge cone pipe 205 is also conical in shape for easy discharge.

[0115] The dual-impeller feed adjustment assembly 20 also includes an impeller drive motor 207 connected to the active impeller 201, used to drive the active impeller 201 to rotate. The impeller drive motor 207 also adopts a sealed design, isolating it from the outside environment; its structure and connection relationship can be specifically referred to the aforementioned stirring drive motor 17. The rotational speed of the active impeller 201 is determined by the impeller drive motor 207, and the feed rate of the feed gap can be adjusted by regulating the rotational speed of the impeller drive motor 207. Of course, in addition to controlling the feed rate of the feed gap by changing the rotational speed of the impeller drive motor 207, the feed rate of the feed gap can also be changed by replacing different types of impellers and altering the axial distance between the two impellers.

[0116] The aforementioned solid aerosol generator also includes a discharge gas supply pipe connector 22 connecting the secondary feed regulating component and the dispersion component 12. Two connectors are coaxially connected, used to connect the discharge cone pipe 205 and the aerosol discharge pipe 14, and / or to connect the flexible discharge pipe 215 and the aerosol discharge pipe 14. The discharge gas supply pipe connector 22 also includes a discharge gas supply connector 221, which ensures that the components downstream of the storage silo 11 are maintained within an ideal pressure range and provides the necessary gas for the formation of solid aerosols. The discharge gas supply connector 221 can be connected to a third gas supply pipe, which is equipped with an inlet pressure regulating valve for adjusting the internal pressure of the device. Filters can be added to both ends of the inlet pressure regulating valve to ensure the dryness of the gas source and prevent moisture from being introduced into the device, causing powder agglomeration. Furthermore, during pressure relief, the filter can also prevent powder from entering the inlet pressure regulating valve, causing wear and blockage.

[0117] The dispersion component 12 is located downstream of the secondary feed regulating component. The rotating brush 121 fully disperses the powder through high-speed rotation, thereby mixing the dispersed powder with compressed gas to form a solid aerosol. The solid aerosol enters the target environment through the aerosol discharge pipe 14. The dispersion component 12 adopts a sealed design and can withstand a pressure of at least 1 MPa.

[0118] The dispersion assembly 12 includes a dispersion drive motor 122, a motor isolation housing 123, a brush cover 124, a sealed transition housing 125, and a rotary support 126. The dispersion drive motor 122 is also connected to the rotating brush 121 via a rigid coupling 170, used to drive the rotating brush 121 to rotate at high speed. Specifically, the dispersion drive motor 122 can be a high-speed DC motor, and its terminals 176 are pressure-resistant terminals, ensuring a high-pressure environment seal without affecting power supply. The dispersion drive motor 122 also adopts a sealed design to isolate it from the outside environment; its structure and connection relationships can be referred to the aforementioned stirring drive motor 17.

[0119] A motor isolation housing 123 covers the outside of the dispersion drive motor 122 to isolate the dispersion drive motor 122 from the external environment. A brush cover 124 covers the outside of the rotating brush 121 to isolate the rotating brush 121 from the external environment. A sealing transition housing 125 is located between the motor isolation housing 123 and the brush cover 124. The end of the sealing transition housing 125 near the rotating brush 121 has a mounting hole for the brush shaft of the rotating brush 121 to pass through. A rotary support 126 is fixed between the sealing transition housing 125 and the rotating brush 121, specifically between the mounting hole and the brush shaft. It serves both to support the rotation of the rotating brush 121 and to isolate the dispersion drive motor 122 and the rotating brush 121, preventing powder from affecting the operation of the dispersion drive motor 122. The rotary support 126 can specifically be a rolling bearing.

[0120] Of course, the structure of the dispersion component 12 is not limited to this. Other forms of mechanical dispersion structures can also be used to disperse the powder, such as buffer tanks, or the dispersion can be carried out by compressed gas blowing.

[0121] It should be added that all levels of the device and all gas pipelines can be connected by flanges or chucks, which ensures both the airtightness and pressure resistance of the device and facilitates disassembly and assembly. This invention is suitable for the generation of aerosols in various pressure environments. In particular, when atmospheric pressure (0.1 MPa) occurs, the stirring rod 15, the primary feed regulating component 16, and the secondary feed regulating component are not required; continuous feeding and separation can be achieved solely by gravity and vibration.

[0122] The aforementioned solid aerosol generator also includes a first gas supply pipe, a second gas supply pipe, and a third gas supply pipe. These multiple gas supply pipes work together to regulate the internal pressure of the entire device, enabling precise control of the pressure of each component and control of the feed rate based on local pressure differences or isobaric environments. The first gas supply pipe is connected to the feed inlet of the storage silo 11, and specifically, it can be connected to the feed replenishment connector 181 of the feed replenishment pipe connector 18. The second gas supply pipe is connected to the feeding hopper 132 of the feeding assembly 13, and specifically, it can be connected to the pressure regulating port 1331 of the feeding cover 133. The third gas supply pipe is connected to the conical discharge outlet of the storage silo 11, and specifically, it can be connected to the discharge replenishment connector 221 of the discharge replenishment pipe connector 22. Each of the first, second, and third gas supply pipes is equipped with an inlet pressure regulating valve to control the on / off state of the pipeline. The inlet pressure regulating valve is equipped with filters at both ends. These filters remove moisture and other impurities from the input compressed gas when the pressure increases, and remove dust particles carried in the exhaust gas when the pressure decreases, preventing wear from dust particles on the inlet pressure regulating valve. Alternatively, a side air supply pipe can be connected to the storage silo 11 and the outlet air supply connector 221, thus requiring only one air supply pipe for the entire device to achieve pressure regulation.

[0123] The discharge control valve 23 is located at the inlet of the aerosol discharge pipe 14 to isolate the inside of the device from the external environment. The discharge control valve 23 can be a manual ball valve, but its type is not limited to this.

[0124] When the discharge control valve 23 is closed, the inlet pressure regulating valves of the first, second and third air supply pipes are all opened, and compressed gas is introduced into the first, second and third air supply pipes to regulate the air pressure in the device until the storage bin 11 and the feeding bin 132 are replenished with air until the internal gas pressure of the two is balanced with the external ambient pressure. The upper feeding valve 131 is opened, and the lower feeding valve 135 of the feeding component 13 and all the inlet pressure regulating valves are closed, and the powder is stored in the feeding bin 132.

[0125] When the powder in the storage silo 11 reaches the preset amount, the upper feeding valve 131 closes, all air inlet pressure regulating valves open again, and the first air supply pipe, the second air supply pipe and the third air supply pipe fill the device with compressed gas. That is, the storage silo 11 and the feeding silo 132 continue to be replenished with air and pressurized until the internal gas pressure of the two is balanced with the target ambient pressure. Then the lower feeding valve 135 and the discharge control valve 23 are both opened, and the powder flows from the feeding silo 132 into the storage silo 11.

[0126] Compared to the first embodiment, the second embodiment differs in that it changes the type of the secondary feed adjustment component; all other technical aspects are the same as the first embodiment. Figures 14 to 15 As shown, in the second specific embodiment, the secondary feeding adjustment component is a vibration feeding adjustment component 21.

[0127] The vibrating feed regulating component 21 is also located downstream of the storage silo 11. It can control the falling of powders of different particle sizes and can also disperse the powders to a certain extent. The vibrating feed regulating component 21 includes a vibrating feed pipe 211, a control feed pipe 212, a linear vibrator 213, a flexible feed pipe 214, and a flexible discharge pipe 215. The vibrating feed pipe 211 is inclined, with its inlet higher than its outlet. The control feed pipe 212 intersects with the vibrating feed pipe 211 and is inserted into the vibrating feed pipe 211, so that the bottom outlet of the control feed pipe 212 is parallel to the pipe wall of the vibrating feed pipe 211, with a certain gap, to regulate the feeding gap formed between the vibrating feed pipe 211 and the control feed pipe 212. In addition, the vibrating feed pipe 211 is provided with an air inlet 216 for adjusting the pressure of the vibration regulating component.

[0128] A linear vibrator 213 is fixed to the outside of the vibrating feed pipe 211 and generates a linear vibration force along the axial direction of the vibrating feed pipe 211, applying a forward thrust to the powder. This means the powder particles are subjected to a tangential force generated between the control feed pipe 212 and the vibrating feed pipe 211, causing the powder to be extruded from the feed gap under the action of the tangential force. The feed rate of the feed gap can be adjusted by regulating the distance between the end face of the control feed pipe 212 and the inner wall of the vibrating feed pipe 211, and by adjusting the frequency of the linear vibrator 213. Furthermore, the powder entering the vibrating feed pipe 211 is initially dispersed under vibration, allowing it to enter the dispersion assembly 12 in a more uniform state through the flexible discharge pipe 215, which is more conducive to powder dispersion. A flexible feed pipe 214 connects the control feed pipe 212 and the storage silo 11, and is used to guide the powder from the storage silo 11 to the control feed pipe 212. A flexible discharge pipe 215 connects the vibrating feed pipe 211 and the dispersing assembly 12, and is used to guide the powder from the vibrating feed pipe 211 to the dispersing assembly 12. Considering that the linear vibrator 213 will vibrate during operation, both the flexible feed pipe 214 and the flexible discharge pipe 215 are made of flexible pipes, which can both provide pressure resistance and reduce the offsetting effect of the rigid structure on the vibration force. Both the flexible feed pipe 214 and the flexible discharge pipe 215 can be corrugated pipes, but are not limited to this.

[0129] Of course, the secondary feed adjustment component can also be formed by connecting the double impeller feed adjustment component 20 and the vibration feed adjustment component 21 in series.

[0130] It should also be noted that when the secondary feeding adjustment component is the vibrating feeding adjustment component 21, the air inlet 216 of the vibrating feed pipe 211 is connected to the third air supply pipe. That is, the air inlet 216 of the vibrating feed pipe 211 and the conical discharge port of the storage bin 11 share a single air supply pipe, resulting in a more compact structure. Of course, both can also supply air independently to maintain the pressure inside the device.

[0131] When the feeding vibrator 136, the infeeding vibrator 111, the discharging vibrator 112, and the linear vibrator 213 are all pneumatic vibrators, the aforementioned solid aerosol generating device also includes a fourth air supply pipe. The fourth air supply pipe is connected to each pneumatic vibrator and is used to provide an air source for each pneumatic vibrator. The vibration frequency of each pneumatic vibrator can be adjusted by adjusting the pressure of each pneumatic vibrator. The air source required by each pneumatic vibrator is unidirectional, and only impurities in the compressed gas need to be filtered. That is, the fourth air supply pipe is also equipped with an inlet pressure regulating valve, but only a filter needs to be installed upstream of the inlet pressure regulating valve.

[0132] The working process of the above-mentioned solid aerosol generator is as follows:

[0133] First, conduct an airtightness test. Close the upper feeding valve 131 and the discharge control valve 23, and open the lower feeding valve 135 to form a closed gas passage between the feeding bin 132 and the storage bin 11. Start the regulating drive motor 166, and the primary feeding regulating component 16 raises the stirring rod 15, forming a gas passage between the storage bin 11, the feeding bin 132, and the aerosol discharge pipe 14. Open the inlet pressure regulating valve on one of the three gas supply pipes (first, second, and third) and close the inlet pressure regulating valves on the other two pipes. This process is repeated to ensure the airtightness of the entire device until the internal air pressure is higher than the external ambient air pressure. Check the airtightness of each connection point step by step. After the airtightness test is completed, open all the inlet pressure regulating valves on each gas supply pipe to release pressure, then disconnect the power supply to end the airtightness test.

[0134] Second, inspect the rotating mechanical parts. Specifically, turn on the power to each motor and control the stirring drive motor 17, regulating drive motor 166, impeller drive motor 207 and dispersing drive motor 122 in sequence to check the stability of each motor at different speeds. After the test is completed, disconnect the power.

[0135] Third, inspect and adjust each vibrator. Open the fourth air supply pipe, adjust the vibration frequency of each vibrator according to the feed rate, and after adjustment, close the air inlet pressure regulating valve on the fourth air supply pipe.

[0136] After all checks are completed, close the discharge control valve 23. Open the inlet pressure regulating valves of the first, second, and third air supply pipes. Compressed gas is introduced into the first, second, and third air supply pipes. Adjust the air pressure within the device until the storage silo 11 and feeding silo 132 are replenished with air until their internal gas pressure is balanced with the external ambient pressure. Open the upper feeding valve 131. Close the lower feeding valve 135 of the feeding assembly 13 and all inlet pressure regulating valves. The powder is stored in the feeding silo 132. When the powder in the storage silo 11 reaches the preset amount, close the upper... Feeding valve 131 opens all inlet pressure regulating valves again, and the first, second and third air supply pipes fill the device with compressed gas, that is, the storage bin 11 and feeding bin 132 continue to be replenished and pressurized until the internal gas pressure of the two is balanced with the target ambient pressure. The lower feeding valve 135 and the discharge control valve 23 are both opened, and the powder flows from the feeding bin 132 into the storage bin 11. Then, the annular gap and the adjusting gap flow into the secondary feeding adjustment component in sequence to adjust the feeding amount. The rotating brush 121 fully disperses the falling powder and mixes it with the compressed gas to form a solid aerosol.

[0137] The solid aerosol generating device provided by the present invention has been described in detail above. Specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A solid aerosol generating device, characterized in that, The system includes a storage silo (11), a dispersion component (12), and a feeding component (13) and an aerosol discharge pipe (14) respectively connected to both ends of the storage silo (11). The feeding component (13) is used to add powder to the storage silo (11), and the feeding component (13) includes an upper feeding valve (131) for controlling the connection between the storage silo (11) and the external environment. The dispersion component (12) includes a rotating brush (121) that is rotatably arranged and tangent to the inner wall of the aerosol discharge pipe (14). The rotating brush (121) is used to disperse the powder in the aerosol discharge pipe (14) so ​​that the powder mixes with compressed gas to form a solid aerosol. The storage bin (11) is rotatably provided with a stirring rod (15) for stirring powder. The stirring rod (15) is fixed with a spindle-shaped adjusting block (151). An annular gap for powder to flow through is formed between the spindle-shaped adjusting block (151) and the conical inner wall of the storage bin (11). The conical discharge port of the storage silo (11) is rotatably equipped with a feed screw (152). The feed screw (152) is integrally connected with the stirring rod (15). An adjustment gap is formed between the feed screw (152) and the conical discharge port. The feed screw (152) is used to control the feed amount of the adjustment gap by adjusting its own rotation speed. The solid aerosol generator also includes a primary feed adjustment component (16) that is fixedly connected to the stirring rod (15) and located at the feed inlet of the storage bin (11). The primary feed adjustment component (16) is used to drive the stirring rod (15) to reciprocate along the axial direction of the storage bin (11) so as to adjust the feed amount of the annular gap by adjusting the width of the annular gap. The solid aerosol generator further includes a drive shaft (171), and the primary feed adjustment assembly (16) includes: An adjusting bushing (161) is slidably sleeved on the drive shaft (171) at one end and fixedly connected to the stirring rod (15) at the other end, for driving the stirring rod (15) to rotate synchronously with the drive shaft (171). An active adjusting gear (162) and a passive adjusting gear (163) are respectively disposed on both sides of the adjusting sleeve (161) and mesh with the annular adjusting teeth provided on the outer surface of the adjusting sleeve (161); when the active adjusting gear (162) rotates, the active adjusting gear (162) and the passive adjusting gear (163) jointly drive the adjusting sleeve (161) to slide back and forth along the driving shaft (171), and the stirring rod (15) slides synchronously with the adjusting sleeve (161); The dispersion component (12) includes: A dispersion drive motor (122) is connected to the rotating brush (121). Motor isolation housing (123) covering the outside of the distributed drive motor (122); A brush cover (124) is provided on the outside of the rotating brush (121). A sealing transition shell (125) is provided between the motor isolation housing (123) and the brush cover (124). A rotary support (126) is fixed between the sealed transition shell (125) and the rotating brush (121) to separate the distributed drive motor (122) and the rotating brush (121) and to support the rotation of the rotating brush (121).

2. The solid aerosol generating device according to claim 1, characterized in that, The primary feed adjustment assembly (16) further includes an adjustment sealing cover (164) covering the adjustment bushing (161), the active adjustment gear (162), and the passive adjustment gear (163), and also includes: A stirring drive motor (17) connected to the drive shaft (171). A feed air supply connector (18) is connected between the adjusting sealing cover (164) and the stirring drive motor (17). A feeding connection pipe joint (19) is connected between the adjusting sealing cover (164) and the storage bin (11) and is connected to the feeding assembly (13).

3. The solid aerosol generator according to claim 2, characterized in that, The stirring drive motor (17) includes: Motor body (172); A motor sealing shell (173) is wrapped around the outside of the motor body (172) and fixedly connected to the feed air supply pipe connector (18). Motor sealing end cap (174) fixed to the motor sealing housing (173); An end cap sealing gasket (175) is provided between the motor sealing housing (173) and the motor sealing end cap (174). Wiring terminals (176) are embedded in the motor sealing end cover (174). A wiring sealing gasket (177) is provided between the wiring terminal (176) and the motor sealing end cover (174).

4. The solid aerosol generating apparatus according to any one of claims 1 to 3, characterized in that, The feeding assembly (13) includes a feeding bin (132), a feeding cover (133) covering the feeding port of the feeding bin (132), a feeding hopper (134), and a lower feeding valve (135) located at the discharge port of the feeding bin (132). The upper feeding valve (131) is located between the feeding hopper (134) and the feeding cover (133). When the upper feeding valve (131) is open and the lower feeding valve (135) is closed, the powder enters the feeding bin (132) from the feeding hopper (134). When the upper feeding valve (131) is closed and the lower feeding valve (135) is open, the powder flows from the feeding bin (132) into the storage bin (11).

5. The solid aerosol generator according to claim 4, characterized in that, The feeding assembly (13) also includes a feeding vibrator (136) fixed to the outside of the feeding bin (132) and used to drive the feeding bin (132) to vibrate.

6. The solid aerosol generating apparatus according to any one of claims 1 to 3, characterized in that, The inlet of the storage silo (11) is equipped with a feed vibrator (111) for vibrating the powder, and the conical outlet of the storage silo (11) is equipped with a discharge vibrator (112) for vibrating the powder.

7. The solid aerosol generating apparatus according to any one of claims 1 to 3, characterized in that, It also includes a secondary feed adjustment component located between the storage bin (11) and the dispersing component (12) for adjusting the feed amount. The secondary feed adjustment component includes a double impeller feed adjustment component (20) and / or a vibration feed adjustment component (21).

8. The solid aerosol generating device according to claim 7, characterized in that, The dual impeller feed adjustment assembly (20) includes: An active impeller (201) and a driven impeller (202) are rotatably arranged and mesh with each other, and have a feed gap for controlling the feed amount. An impeller casing (203) covering the active impeller (201) and the driven impeller (202); A feed cone pipe (204) is connected between the feed inlet of the impeller casing (203) and the storage bin (11). A discharge cone (205) is connected between the discharge port of the impeller housing (203) and the dispersing assembly (12).

9. The solid aerosol generating device according to claim 7, characterized in that, The vibration feed adjustment assembly (21) includes: Vibrating feed pipe (211); A control feed pipe (212) intersects with the vibrating feed pipe (211) and is inserted into the vibrating feed pipe (211). A linear vibrator (213) is fixed to the outside of the vibrating feed pipe (211) and is used to adjust the feed rate of the feed gap formed between the vibrating feed pipe (211) and the control feed pipe (212). A flexible feed pipe (214) is connected between the control feed pipe (212) and the storage bin (11). A flexible discharge pipe (215) is connected between the vibrating feed pipe (211) and the dispersing component (12).

10. The solid aerosol generating apparatus according to any one of claims 1 to 3, characterized in that, Also includes: A first air supply pipe connected to the inlet of the storage bin (11); A second gas supply pipe connected to the feeding bin (132) of the feeding assembly (13); A third gas supply pipe connected to the conical discharge port of the storage silo (11); A discharge control valve (23) is provided at the inlet of the aerosol discharge pipe (14); When the discharge control valve (23) is closed, the inlet pressure regulating valves of the first gas supply pipe, the second gas supply pipe and the third gas supply pipe are all opened, the storage bin (11) and the feeding bin (132) are replenished with gas until the internal gas pressure of the two is balanced with the external environmental pressure, the upper feeding valve (131) is opened, the lower feeding valve (135) of the feeding assembly (13) and all the inlet pressure regulating valves are closed, and the powder is stored in the feeding bin (132); When the powder in the storage silo (11) reaches the preset amount, the upper feeding valve (131) closes, all the air inlet pressure regulating valves open again, the storage silo (11) and the feeding silo (132) continue to be replenished with air until the internal gas pressure of the two is balanced with the target environmental pressure, the lower feeding valve (135) and the discharge control valve (23) are both opened, and the powder flows from the feeding silo (132) into the storage silo (11).

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