Automatic suspension separation mechanism

Abstract

The utility model belongs to the field of suspension separation, and particularly relates to an automatic suspension separation mechanism which comprises a particle deposition component, the top end of the particle deposition assembly is provided with a repeated settling assembly, the top end of the repeated settling assembly is provided with a pair of symmetrical lifting assemblies, and the pair of lifting assemblies is provided with a feeding hopper. The functions of automatic deposition and discharge and repeated settling of particles in the suspension are achieved, the problems that solid particles are prone to being thrown out along with clear liquid during traditional centrifugal separation, and the components of the suspension are not thoroughly separated are solved, and through cooperation of a square support, a threaded sleeve connecting plate, a baffle and a liquid discharge pipe, the separation efficiency is improved. And through the structural design of the first C-shaped support, the motor, the lead screw, the second C-shaped support and the sliding rod, the functions of stably connecting the separation parts, accurately controlling liquid discharge and driving key parts to stably ascend and descend are achieved.

Description

Technical Field

[0001] This utility model relates to the field of suspension separation, specifically an automatic suspension separation mechanism. Background Technology

[0002] A suspension is a liquid preparation. A suspension refers to a non-homogeneous liquid preparation in which a poorly soluble solid drug is dispersed in a dispersion medium in a particulate state. The drug particles in the suspension are the key components. They are usually solid drugs that are insoluble in water or have very low solubility in water. Their particle size is generally between 0.5-10 μm. A small number of drug particles may have a particle size of less than 0.1 μm or greater than 50 μm. The commonly used dispersion medium is water, which serves as the dispersion environment for the drug particles, allowing them to be uniformly dispersed and forming a stable suspension. To meet different medication needs, suspensions can be separated from other components according to specific medication requirements, so that they can be further processed into different dosage forms or preparations.

[0003] According to Chinese Patent Application No. CN201820763977.2, a negative pressure gas-liquid separation device for sodium pyroantimonate suspension is provided. This solution has a separation cylinder inside the outer cylinder, and a filter membrane is installed on the separation cylinder. By rotating the separation cylinder at high speed, the sodium pyroantimonate suspension can be separated from the filter membrane, thereby achieving efficient gas-liquid separation. However, the solid particles in the suspension are small. When using conventional centrifugal separation methods, the solid particles inside the suspension may be thrown out along with the clear liquid. Therefore, to address the above problem, an automatic suspension separation mechanism is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, where solid particles in suspensions are relatively small, conventional centrifugal separation methods may result in solid particles being ejected along with the clarified liquid. This invention proposes an automatic suspension separation mechanism.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an automatic suspension separation mechanism, including a particle deposition component; a repeated settling component is provided at the top of the particle deposition component, and a pair of symmetrical lifting components are provided at the top of the repeated settling component, each of the pair of lifting components is provided with a feeding hopper, the bottom end of the feeding hopper being connected to the upper part of the repeated settling component; the particle deposition component includes a particle deposition box, an inclined plate is fixedly connected inside the particle deposition box, a discharge pipe is provided at the inclined end of the inclined plate, and the end of the discharge pipe away from the inclined end of the inclined plate penetrates through the outer wall of the particle deposition box; the repeated settling component includes components fixedly installed at the top of the particle deposition box. The fixed box has a pair of symmetrical single-sided slotted boxes inside. A double-sided slotted box is set in the middle of the pair of single-sided slotted boxes. The bottom ends of the single-sided slotted box and the double-sided slotted box penetrate the bottom end of the fixed box and extend into the interior of the particle deposition box. The single-sided slotted box and the double-sided slotted box are slidably connected to the fixed box. A set of first herringbone plates is set at both ends of the double-sided slotted box and at the inner end of the single-sided slotted box. There are two first herringbone plates in each set. The first herringbone plates in each set are arranged vertically. A second herringbone plate is set below each set of first herringbone plates. The first herringbone plates and the second herringbone plates are adapted to the single-sided slotted box and the double-sided slotted box.

[0006] The particle deposition tank serves as the container for particle deposition. An inclined plate allows particles in the suspension to deposit along the inclined plate under the action of gravity, facilitating the concentrated collection of particles. The discharge pipe is used to discharge the particles deposited on the inclined plate from the particle deposition tank, realizing the separation and discharge of particles. The fixed box provides space for the installation and sliding of the single-sided and double-sided slotted tanks. The sliding design of the single-sided and double-sided slotted tanks can change their relative positions with the first and second herringbone plates. Through the repeated sedimentation and clarification operation of the first and second herringbone plates, the different components in the suspension can be further separated.

[0007] Furthermore, a square bracket is fixedly connected to the top of the single-sided slotted box and the double-sided slotted box, and a pair of symmetrical threaded connecting plates are fixedly connected to the top of the square bracket.

[0008] The single-sided slotted box and the double-sided slotted box are connected together by a square bracket, which provides structural stability and integrity.

[0009] Furthermore, each set of the first herringbone plate and the second herringbone plate has a baffle fixedly connected to both ends of the first herringbone plate and the second herringbone plate, and is located between the single-sided slotted box and the double-sided slotted box. The baffle is adapted to the single-sided slotted box and the double-sided slotted box, and the baffle is fixedly connected to the fixed box.

[0010] Fixed to the fixed box by a baffle, it is compatible with single-sided slotted boxes and double-sided slotted boxes. Its function is to limit the flow range of the suspension, so that the suspension can be effectively settled in the area between the single-sided slotted box, the double-sided slotted box and the first herringbone plate and the second herringbone plate, and avoid the suspension flowing randomly and affecting the separation effect.

[0011] Furthermore, a drain pipe is fixedly connected to the outer end of the baffle, and the output end of the drain pipe penetrates the outer wall of the fixed box;

[0012] The drain pipe is fixed to the outer end of the baffle to discharge the liquid that meets the requirements after the sedimentation operation from the fixed box, thereby realizing the separation and discharge of the liquid and further completing the separation process of the suspension.

[0013] Furthermore, the lifting assembly includes a first C-shaped bracket fixedly installed on the top of the fixed box. The first C-shaped bracket is adapted to the threaded sleeve connecting plate. A motor is fixedly connected to the top of the first C-shaped bracket. A lead screw is fixedly connected to the transmission end of the motor. The bottom end of the lead screw passes through the bottom end of the first C-shaped bracket and is connected to the threaded sleeve connecting plate through a threaded sleeve. The lead screw is rotatably connected to the first C-shaped bracket.

[0014] Furthermore, a second C-shaped bracket is provided on the right side of the first C-shaped bracket. The second C-shaped bracket is fixedly connected to the fixed box. The second C-shaped bracket is symmetrical to the first C-shaped bracket. The second C-shaped bracket is adapted to the threaded sleeve connecting plate. A sliding rod is fixedly connected inside the second C-shaped bracket. The sliding rod is slidably connected to the threaded sleeve connecting plate.

[0015] Furthermore, a pair of symmetrical openings are provided on the first herringbone plate.

[0016] Furthermore, the contact surfaces of the single-sided slotted box and the double-sided slotted box with the first herringbone plate and the second herringbone plate are all provided with through slots adapted to the first herringbone plate and the second herringbone plate. The interior of the single-sided slotted box and the double-sided slotted box is hollow, and the hollow interior of the single-sided slotted box and the double-sided slotted box is connected to the interior of the particle deposition box.

[0017] The advantages of this utility model are:

[0018] 1. The utility model achieves the function of automatic sedimentation and discharge of particles in suspension and repeated sedimentation and clarification through the structural design of particle sedimentation box, inclined plate and discharge pipe, as well as single-sided slotted box, double-sided slotted box and first herringbone plate and second herringbone plate. It solves the problems of solid particles being easily thrown out with the clear liquid during traditional centrifugal separation and incomplete separation of suspension components, and improves the efficiency and purity of particle and liquid separation.

[0019] 2. Through the structural design of the square bracket and screw sleeve connecting plate, baffle and drain pipe, as well as the first C-shaped bracket, motor, lead screw, second C-shaped bracket and slide bar, the functions of stable connection of separation components, precise control of liquid discharge and stable lifting and lowering of key components are realized. This solves the problems of unstable component connection, arbitrary liquid discharge and low efficiency and poor precision of manual operation, and improves the stability of the separation mechanism, the accuracy of liquid separation, and the degree of automation and efficiency of suspension separation operation. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the particle deposition component structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the repeated settling and rinsing component structure of this utility model;

[0025] Figure 5 This is a structural schematic diagram of the single-sided slotted box and the double-sided slotted box of this utility model;

[0026] Figure 6 This is a schematic diagram of the first and second herringbone plates of this utility model;

[0027] Figure 7 This is a cross-sectional structural diagram of the particle deposition component of this utility model.

[0028] In the diagram: 1. Particle sedimentation assembly; 2. Repeated settling assembly; 3. Lifting assembly; 4. Feeding hopper; 101. Particle sedimentation box; 102. Inclined plate; 103. Discharge pipe; 201. Fixed box; 202. Single-sided slotted box; 203. Double-sided slotted box; 204. Square bracket; 205. Screw-fitting connecting plate; 206. Baffle; 207. Drain pipe; 208. First herringbone plate; 209. Second herringbone plate; 301. First C-shaped bracket; 302. Lead screw; 303. Motor; 304. Second C-shaped bracket; 305. Sliding rod. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0030] The following is in conjunction with the appendix Figures 1-7 This application will be described in further detail.

[0031] This application discloses an automatic suspension separation mechanism. (Refer to...) Figures 1-7 An automatic suspension separation mechanism includes a particle deposition component 1; a repeated settling component 2 is provided at the top of the particle deposition component 1, and a pair of symmetrical lifting components 3 are provided at the top of the repeated settling component 2. Each of the lifting components 3 has a feeding hopper 4, the bottom of which is connected to the upper part of the repeated settling component 2; the particle deposition component 1 includes a particle deposition box 101, an inclined plate 102 is fixedly connected inside the particle deposition box 101, a discharge pipe 103 is provided at the inclined end of the inclined plate 102, and the end of the discharge pipe 103 away from the inclined end of the inclined plate 102 penetrates the outer wall of the particle deposition box 101; the repeated settling component 2 includes a fixed box 201 fixedly installed at the top of the particle deposition box 101, and a pair of symmetrical single-stage lifting components 3 are provided inside the fixed box 201. A single-sided slotted box 202 is provided in the middle of a pair of single-sided slotted boxes 202, and a double-sided slotted box 203 is provided in the middle. The bottom ends of the single-sided slotted box 202 and the double-sided slotted box 203 both penetrate the bottom end of the fixed box 201 and extend into the interior of the particle deposition box 101. The single-sided slotted box 202 and the double-sided slotted box 203 are slidably connected to the fixed box 201. A set of first herringbone plates 208 is provided at both ends of the double-sided slotted box 203 and at the inner end of the single-sided slotted box 202. There are two first herringbone plates 208 in each set. The first herringbone plates 208 are arranged vertically. A second herringbone plate 209 is provided below each set of first herringbone plates 208. The first herringbone plates 208 and the second herringbone plates 209 are adapted to the single-sided slotted box 202 and the double-sided slotted box 203.

[0032] The particle deposition box 101 serves as the container for particle deposition. The inclined plate 102 allows particles in the suspension to be deposited along the inclined plate under the action of gravity, which facilitates the concentrated collection of particles. The discharge pipe 103 is used to discharge the particles deposited on the inclined plate 102 from the particle deposition box 101, thus realizing the separation and discharge of particles. The fixed box 201 provides space for the installation and sliding of the single-sided slotted box 202 and the double-sided slotted box 203. The sliding design of the single-sided slotted box 202 and the double-sided slotted box 203 can change their relative positions with the first herringbone plate 208 and the second herringbone plate 209. The suspension is repeatedly settled and purified by the first herringbone plate 208 and the second herringbone plate 209, thereby achieving further separation of different components in the suspension.

[0033] Reference Figures 3-5 The top of the single-sided slotted box 202 and the double-sided slotted box 203 are fixedly connected to a square bracket 204, and the top of the square bracket 204 is fixedly connected to a pair of symmetrical threaded connecting plates 205.

[0034] The single-sided slotted box 202 and the double-sided slotted box 203 are connected together by a square bracket 204, which provides structural stability and integrity.

[0035] Reference Figures 3-4 Each set of first herringbone plate 208 and second herringbone plate 209 has baffles 206 fixedly connected at both ends of the first herringbone plate 208 and the second herringbone plate 209 and between the single-sided slotted box 202 and the double-sided slotted box 203. The baffles 206 are adapted to the single-sided slotted box 202 and the double-sided slotted box 203 and are fixedly connected to the fixed box 201.

[0036] The baffle 206 is fixed to the fixed box 201 and is adapted to the single-sided slotted box 202 and the double-sided slotted box 203. Its function is to limit the flow range of the suspension, so that the suspension can be effectively settled in the area between the single-sided slotted box 202, the double-sided slotted box 203 and the first herringbone plate 208 and the second herringbone plate 209, and avoid the suspension flowing randomly and affecting the separation effect.

[0037] A drain pipe 207 is fixedly connected to the outer end of the baffle 206, and the output end of the drain pipe 207 penetrates the outer wall of the fixed box 201.

[0038] The drain pipe 207 is fixed to the outer end of the baffle 206 to discharge the liquid that meets the requirements after the sedimentation operation from the fixed box 201, thereby realizing the separation and discharge of the liquid and further completing the separation process of the suspension.

[0039] Reference Figure 2The lifting assembly 3 includes a first C-shaped bracket 301 fixedly installed on the top of the fixed box 201. The first C-shaped bracket 301 is adapted to the screw sleeve connecting plate 205. A motor 303 is fixedly connected to the top of the first C-shaped bracket 301. A lead screw 302 is fixedly connected to the transmission end of the motor 303. The bottom end of the lead screw 302 passes through the bottom end of the first C-shaped bracket 301 and is connected to the screw sleeve connecting plate 205 through a screw sleeve. The lead screw 302 is rotatably connected to the first C-shaped bracket 301.

[0040] The first C-shaped bracket 301 is fixed to the top of the fixed box 201, providing installation support for the motor 303 and the lead screw 302. The motor 303 drives the lead screw 302 to rotate. The lead screw 302 is connected to the screw sleeve connecting plate 205 through the screw sleeve, which drives the single-sided slotted box 202 and the double-sided slotted box 203 to rise and fall, realizing the lifting and lowering movement of key components in the repeated settling and cleaning assembly 2, thereby controlling the settling and cleaning operation.

[0041] A second C-shaped bracket 304 is provided on the right side of the first C-shaped bracket 301. The second C-shaped bracket 304 is fixedly connected to the fixed box 201. The second C-shaped bracket 304 is symmetrical to the first C-shaped bracket 301. The second C-shaped bracket 304 is adapted to the threaded sleeve connecting plate 205. A slide rod 305 is fixedly connected inside the second C-shaped bracket 304. The slide rod 305 is slidably connected to the threaded sleeve connecting plate 205.

[0042] The second C-shaped bracket 304 is symmetrical to the first C-shaped bracket 301 and fixed on the fixed box 201. The slide rod 305 is fixed inside the second C-shaped bracket 304 and is slidably connected to the threaded sleeve connecting plate 205. The slide rod 305 provides guidance and auxiliary support for the lifting and lowering movement of the threaded sleeve connecting plate 205, making the lifting and lowering movement of the single-sided slotted box 202 and the double-sided slotted box 203 more stable and precise.

[0043] Reference Figure 6 A pair of symmetrical openings are provided on the first herringbone plate 208;

[0044] The opening on the first herringbone plate 208 can change the flow path and velocity of the suspension at the first herringbone plate 208, affecting the sedimentation effect of the suspension and potentially helping to more effectively separate different components in the suspension.

[0045] Reference Figure 5 and Figure 7 The contact surfaces of the single-sided slotted box 202 and the double-sided slotted box 203 with the first herringbone plate 208 and the second herringbone plate 209 are all provided with through slots adapted to the first herringbone plate 208 and the second herringbone plate 209. The interiors of the single-sided slotted box 202 and the double-sided slotted box 203 are hollow, and the hollow interiors of the single-sided slotted box 202 and the double-sided slotted box 203 are connected to the interior of the particle deposition box 101.

[0046] The through-slots allow the single-sided slotted box 202 and the double-sided slotted box 203 to be adapted to the first herringbone plate 208 and the second herringbone plate 209, enabling the first herringbone plate 208 and the second herringbone plate 209 to block the through-slots. This prevents particles from being carried out of the particle sedimentation box 101 when the clarified liquid after sedimentation is extracted later. The hollow design, which is connected to the inside of the particle sedimentation box 101, allows the suspension to flow between the particle sedimentation box 101 and the single-sided slotted box 202 and the double-sided slotted box 203. This provides a liquid flow channel for repeated sedimentation and clarification operations, facilitating particle sedimentation in the particle sedimentation box 101 and ensuring the continuity and effectiveness of the separation operation.

[0047] Working principle: The suspension is poured into the feeding hopper 4 and first enters the single-sided slotted tank 202 and the double-sided slotted tank 203 inside the fixed tank 201. Since the bottom of the single-sided slotted tank 202 and the double-sided slotted tank 203 are connected to the particle deposition tank 101, the suspension flows into the particle deposition tank 101. In the particle deposition tank 101, the particles in the suspension gradually settle along the inclined plate 102 under the action of gravity. The particles slide along the inclined plate 102 towards the discharge pipe 103. When enough particles have settled on the inclined plate 102, the discharge pipe 103 can be opened, and the particles are finally discharged through the discharge pipe 103. The particle sedimentation tank 101 achieves initial particle separation. The first batch of suspension yields a clear liquid after sedimentation. When there are few particles on the inclined plate 102, the motor 303 is activated. The motor 303 drives the lead screw 302 to rotate. The lead screw 302 is connected to the threaded sleeve connecting plate 205, causing the threaded sleeve connecting plate 205 to lift the square support 204, the single-sided slotted box 202, and the double-sided slotted box 203 together. At this time, the first herringbone plate 208 and the second herringbone plate 209 block the through slots of the single-sided slotted box 202 and the double-sided slotted box 203. Then, the drain pipe 207 can be opened to release the sediment. The clarified liquid is discharged, and then a new suspension is added. The motor 303 drives the lead screw 302 to lower the single-sided slotted box 202 and the double-sided slotted box 203. When the single-sided slotted box 202 and the double-sided slotted box 203 lower, the through-slot can be misaligned with the first herringbone plate 208 and the second herringbone plate 209. The suspension can enter the single-sided slotted box 202 and the double-sided slotted box 203 through the first herringbone plate 208 and the second herringbone plate 209 and flow back into the particle deposition tank 101. The suspension inside will pass through the first herringbone plate 208 and the second herringbone plate 209. The herringbone plate 209 acts as a barrier and diverter for the suspension, allowing the particles in the suspension to settle further. At the same time, the opening on the first herringbone plate 208 can change the flow path and velocity of the suspension, enhancing the settling effect. This process is repeated until enough particles have settled on the inclined plate 102. When it is time to discharge the particles, the same steps are taken to raise the single-sided slotted box 202 and the double-sided slotted box 203, so that the first herringbone plate 208 and the second herringbone plate 209 block the channel. After the particles are discharged, the single-sided slotted box 202 and the double-sided slotted box 203 are lowered again to continue the suspension separation operation.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An automatic suspension separation mechanism, characterized in that: It includes a particle deposition component (1); the top of the particle deposition component (1) is provided with a repeated settling component (2), the top of the repeated settling component (2) is provided with a pair of symmetrical lifting components (3), the components of the pair of lifting components (3) are provided with a feeding hopper (4), and the bottom end of the feeding hopper (4) is connected to the upper part of the repeated settling component (2). The particle deposition assembly (1) includes a particle deposition box (101), an inclined plate (102) is fixedly connected inside the particle deposition box (101), a discharge pipe (103) is provided at the inclined end of the inclined plate (102), and the end of the discharge pipe (103) away from the inclined end of the inclined plate (102) penetrates the outer wall of the particle deposition box (101). The repeated settling assembly (2) includes a fixed box (201) fixedly installed at the top of the particle sedimentation tank (101). Inside the fixed box (201) are a pair of symmetrical single-sided slotted boxes (202). Between the pair of single-sided slotted boxes (202) is a double-sided slotted box (203). The bottom ends of both the single-sided slotted box (202) and the double-sided slotted box (203) penetrate the bottom end of the fixed box (201) and extend into the interior of the particle sedimentation tank (101). The single-sided slotted box (202) and the double-sided slotted box (203)... Both are slidably connected to the fixed box (201). The left and right ends of the double-sided slotted box (203) and the inner ends of the single-sided slotted box (202) are each provided with a set of first herringbone plates (208). There are two first herringbone plates (208) in each set. The first herringbone plates (208) in each set are arranged vertically. A second herringbone plate (209) is provided below each set of first herringbone plates (208). The first herringbone plates (208) and the second herringbone plates (209) are both adapted to the single-sided slotted box (202) and the double-sided slotted box (203).

2. The automatic suspension separation mechanism according to claim 1, characterized in that: The top of the single-sided slotted box (202) and the double-sided slotted box (203) are fixedly connected to a square bracket (204), and the top of the square bracket (204) is fixedly connected to a pair of symmetrical threaded connecting plates (205).

3. The automatic suspension separation mechanism according to claim 1, characterized in that: Each set of the first herringbone plate (208) and the second herringbone plate (209) has a baffle (206) fixedly connected at both ends of the first herringbone plate (208) and the second herringbone plate (209) and between the single-sided slotted box (202) and the double-sided slotted box (203). The baffle (206) is adapted to the single-sided slotted box (202) and the double-sided slotted box (203) and is fixedly connected to the fixed box (201).

4. The automatic suspension separation mechanism according to claim 3, characterized in that: The outer end of the baffle (206) is fixedly connected to a drain pipe (207), and the output end of the drain pipe (207) penetrates the outer wall of the fixed box (201).

5. The automatic suspension separation mechanism according to claim 1, characterized in that: The lifting assembly (3) includes a first C-shaped bracket (301) fixedly installed on the top of the fixed box (201). The first C-shaped bracket (301) is adapted to the threaded sleeve connecting plate (205). A motor (303) is fixedly connected to the top of the first C-shaped bracket (301). A lead screw (302) is fixedly connected to the transmission end of the motor (303). The bottom end of the lead screw (302) passes through the bottom end of the first C-shaped bracket (301) and is connected to the threaded sleeve connecting plate (205) through a threaded sleeve. The lead screw (302) is rotatably connected to the first C-shaped bracket (301).

6. The automatic suspension separation mechanism according to claim 5, characterized in that: A second C-shaped bracket (304) is provided on the right side of the first C-shaped bracket (301). The second C-shaped bracket (304) is fixedly connected to the fixed box (201). The second C-shaped bracket (304) is symmetrical to the first C-shaped bracket (301). The second C-shaped bracket (304) is adapted to the threaded connecting plate (205). A slide rod (305) is fixedly connected inside the second C-shaped bracket (304). The slide rod (305) is slidably connected to the threaded connecting plate (205).

7. The automatic suspension separation mechanism according to claim 1, characterized in that: The first herringbone plate (208) has a pair of symmetrical openings.

8. The automatic suspension separation mechanism according to claim 1, characterized in that: The contact surfaces of the single-sided slotted box (202) and the double-sided slotted box (203) with the first herringbone plate (208) and the second herringbone plate (209) are all provided with through slots adapted to the first herringbone plate (208) and the second herringbone plate (209). The interiors of the single-sided slotted box (202) and the double-sided slotted box (203) are hollow, and the hollow interiors of the single-sided slotted box (202) and the double-sided slotted box (203) are connected to the interior of the particle deposition box (101).

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