Vacuum conveying air inlet pipeline for feeding medicine particles

By setting up an air purification box at the air inlet end and using aluminum alloy filter, HEPA filter and activated carbon filter combined with multiple filtration of air separator, the problem of unclean air introduced into the air inlet end during the vacuum conveying of pharmaceutical particles is solved, and the cleaning and anti-pollution effect of the air inlet pipeline is achieved.

CN223464576UActive Publication Date: 2025-10-24HUBEI KELUN PHARMA
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Patent Information

Application Number
CN202422594971.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-10-24
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

During the vacuum conveying process of pharmaceutical pellets, unclean air is easily introduced into the air inlet, leading to the problem of pellet particle and microbial contamination.

Method used

An air purification box is set at the air inlet end, which is equipped with an aluminum alloy filter, a HEPA filter and an activated carbon filter. Combined with the air separator, multiple filtrations are performed to ensure that the air entering the air inlet pipe is clean.

Benefits of technology

The multiple filtering structures reduce the introduction of unclean air, keep the air intake line clean, avoid the contamination of granular particles and microorganisms, and improve the filtering effect and cleanliness.

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Abstract

The utility model discloses a vacuum conveying air inlet pipeline for feeding medicine particles, which relates to the technical field of medicine production, and comprises an air inlet pipe, an air inlet end of the air inlet pipe is provided with an air purification box, and the air purification box is arranged in a clean area. A pipe connector is arranged at the output end of the air purification box, an air inlet grille is arranged at the input end of the air purification box, an aluminum alloy filter screen, an HEPA filter screen and an activated carbon filter screen are arranged in the air purification box in the air circulation direction, and an air distributor is further arranged in the air purification box. The air inlet end of the air inlet pipe and the air purification box are arranged in the clean area, clean air is taken as vacuum conveying power, and the clean air is subjected to multiple filtering again through the air purification box before entering the air inlet pipe, so that the situation that unclean air is introduced to pollute material particles is avoided, the interior of an air inlet pipeline is kept clean, and later cleaning is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a medicine production technical field, concretely is a kind of medicine granule feeding vacuum conveying gas inlet pipeline. BACKGROUND

[0002] The granule of medicine production is transported to clean area under the outer bag packaging, FFU laminar flow chamber is arranged in clean area, and bag is opened in clean area, material bin is installed in clean area, and granule is conveyed into material bin after bagging, and granule in material bin is fed by granule vacuum conveying pipeline during production, however, when feeding by vacuum suction force, negative pressure environment is formed in suction pipe, under the action of negative pressure, material is sucked into suction pipe from material bin, and the mixture of air and material is conveyed along pipeline, and the air inlet end is easy to introduce unclean air, to cause the problem of granule particle and microbial pollution, therefore, we provide a kind of medicine granule feeding vacuum conveying gas inlet pipeline. UTILITARY MODEL

[0003] The utility model aims at providing a kind of medicine granule feeding vacuum conveying gas inlet pipeline, solve the problem that the air inlet end of the vacuum conveying gas inlet pipeline of medicine granule feeding is easy to introduce unclean air, to cause the problem of granule particle and microbial pollution.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of medicine granule feeding vacuum conveying gas inlet pipeline, including air inlet pipe, the air inlet end of the air inlet pipe is provided with air purification box, and air purification box is arranged in clean area, the output end of the air purification box is provided with pipe joint, the input end of the air purification box is provided with air inlet grille, the input end of the air purification box enters air from clean area, the output end of the air purification box is connected with air inlet pipe, the air purification box is provided with aluminium alloy filter screen, HEPA filter screen and activated carbon filter screen along air flow direction respectively, the air purification box is also provided with air distributor, and air distributor is distributed between aluminium alloy filter screen, HEPA filter screen and activated carbon filter screen, the air distributor is composed of air distribution board that is evenly distributed along vertical direction and spacing, the air distribution board is obliquely arranged along air conveying direction.

[0005] Preferably, the air inlet grille is obliquely arranged from outside to inside, and the top and bottom of the grille plate of the air inlet grille are respectively connected to the bottom of the adjacent upper grille plate and the top of the adjacent lower grille plate.

[0006] Preferably, the shell of the air purification box includes box body and box cover, and the box cover is arranged on the side of the box body parallel to the air flow direction in the box body, and the aluminium alloy filter screen, HEPA filter screen and activated carbon filter screen are all inserted on the box cover along the direction perpendicular to the box cover and extend inwardly into the box body.

[0007] Preferably, the box body is provided with installation slots for inserting the aluminum alloy filter, the HEPA filter and the activated carbon filter.

[0008] Preferably, the air separator is fixed on the inner side of the box cover.

[0009] Preferably, connecting plates are provided on the opposite surfaces of the box body and the box cover, and the connecting plates of the box body and the box cover are fastened by bolt connection, and the box cover is opened by sliding outward in a direction perpendicular to the air flow direction.

[0010] The utility model has the following beneficial effects:

[0011] The utility model sets the air inlet end of the air inlet pipe and the air purification box in the clean area, takes clean air as the vacuum transmission power, and the clean air is filtered again through the air purification box before entering the air inlet pipe. The multiple filtration reduces the filtration pressure of each filter structure, improves the filtration effect, avoids the introduction of unclean air to pollute particles, keeps the air inlet pipe clean, and facilitates later cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the air purification box of the utility model;

[0014] Figure 3 This is a three-dimensional diagram of the air purification box of the utility model;

[0015] Figure 4 This is an expanded view of the air purification box of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the air distributor of the utility model.

[0017] In the figure: 1. Air intake pipe; 2. Air purification box; 21. Pipe interface; 22. Air intake grille; 23. Aluminum alloy filter; 24. HEPA filter; 25. Activated carbon filter; 26. Air distributor; 261. Air distributor plate; 27. Outer casing; 271. Box body; 272. Box cover; 273. Mounting slot; 274. Connecting plate; 275. Bolt; 3. Clean area. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] As Figures 1-5 The utility model provides a technical scheme: a kind of vacuum conveying air inlet pipeline for medicine granule feeding, including air inlet pipe 1, the air inlet end of air inlet pipe 1 is provided with air purification box 2, and air purification box 2 is arranged in clean area 3, the output end of air purification box 2 is provided with pipe joint 21, the input end of air purification box 2 is provided with air inlet grille 22, air inlet grille 22 is obliquely set from outside to inside upward, and the top and bottom of the grille plate of air inlet grille 22 are respectively connected to the bottom of adjacent upper layer grille plate and the top of adjacent lower layer grille plate, so that the outside of grille plate better blocks dust from entering, and the grille plate is inclined to expose outside, to better clean the dust blocked on the grille plate, air enters from clean area 3 into the input end of air purification box 2, and the output end of air purification box 2 is connected to air inlet pipe 1.

[0020] The shell 27 of air purification box 2 includes box body 271 and box cover 272, and the box cover 272 is arranged on one side of the box body 271 parallel to the air flow direction in the box body 271, the aluminum alloy filter screen 23, the HEPA filter screen 24 and the activated carbon filter screen 25 are arranged in the air purification box 2 along the air flow direction, and the aluminum alloy filter screen 23, the HEPA filter screen 24 and the activated carbon filter screen 25 are all inserted on the box cover 272 along the direction perpendicular to the box cover 272 and extend inward into the box body 271, the mounting groove 273 for inserting the aluminum alloy filter screen 23, the HEPA filter screen 24 and the activated carbon filter screen 25 is arranged in the box body 271, the filter screen can be pulled out and disassembled without opening the box cover 272, and the filter screen is convenient to replace.

[0021] The air purification box 2 is also provided with the air distributor 26, and the air distributor 26 is distributed between the aluminum alloy filter screen 23, the HEPA filter screen 24 and the activated carbon filter screen 25, the air distributor 26 is fixed to the inner side of the box cover 272, the air distributor 26 is composed of air distribution plates 261 uniformly and spaced apart along the vertical direction, the air distribution plates 261 are obliquely set upward along the air conveying direction, to better intercept solid impurities entrained in the air, and the air distributor 26 is a metal plate and can be directly cleaned by water, to facilitate regular cleaning, the service life and replacement period of the filter screen are prolonged with the assistance of the air distributor 26, and the cost is saved.

[0022] The opposite surfaces of the box body 271 and the box cover 272 are provided with connecting plates 274, and the connecting plates 274 of the box body 271 and the box cover 272 are connected and locked by bolts 275, and the box cover 272 is translated outward along the vertical air flow direction to open.

[0023] It is to be understood that the terminology used herein such as the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusion, such that processes, methods, articles, or apparatuses comprising a list of elements do not include only those elements but can also include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A vacuum conveying gas inlet pipeline for pharmaceutical granule feeding, comprising a gas inlet pipe (1), characterized in that: The air inlet end of the air inlet pipe (1) is provided with an air purification box (2), and the air purification box (2) is arranged in a clean area (3). The output end of the air purification box (2) is provided with a pipe joint (21), and the input end of the air purification box (2) is provided with an air inlet grille (22). The input end of the air purification box (2) enters air from the clean area (3). The output end of the air purification box (2) is connected to the air inlet pipe (1). The air purification box (2) is provided with an aluminum alloy filter screen (23), a HEPA filter screen (24) and an activated carbon filter screen (25) along the air flow direction respectively. The air purification box (2) is also provided with an air distributor (26), and the air distributor (26) is distributed between the aluminum alloy filter screen (23), the HEPA filter screen (24) and the activated carbon filter screen (25). The air distributor (26) is composed of air distribution plates (261) which are uniformly and spaced distributed in the vertical direction. The air distribution plates (261) are inclinedly arranged along the air conveying direction.

2. The vacuum conveying gas inlet line for feeding of pharmaceutical granules according to claim 1, characterized in that: The air inlet grille (22) is inclinedly arranged from outside to inside, and the top and bottom of the grille plate of the air inlet grille (22) are respectively connected to the bottom of the adjacent upper grille plate and the top of the adjacent lower grille plate.

3. The vacuum conveying gas inlet line for feeding of pharmaceutical granules according to claim 1, characterized in that: The shell (27) of the air purification box (2) includes a box body (271) and a box cover (272), and the box cover (272) is arranged on one side of the box body (271) which is parallel to the air flow direction in the box body (271). The aluminum alloy filter screen (23), the HEPA filter screen (24) and the activated carbon filter screen (25) are all inserted into the box cover (272) along the direction perpendicular to the box cover (272) and extend inwardly into the box body (271).

4. The vacuum conveying gas inlet line for feeding of pharmaceutical granules according to claim 3, characterized in that: The box body (271) is provided with mounting grooves (273) for inserting the aluminum alloy filter screen (23), the HEPA filter screen (24) and the activated carbon filter screen (25).

5. The vacuum conveying gas inlet line for feeding of pharmaceutical granules according to claim 3, characterized in that: The air distributor (26) is fixed to the inner side of the box cover (272).

6. The vacuum conveying gas inlet line for feeding of pharmaceutical granules according to claim 3, characterized in that: The opposite surfaces of the box body (271) and the box cover (272) are provided with connecting plates (274), and the connecting plates (274) of the box body (271) and the box cover (272) are connected and locked by bolts (275). The box cover (272) is translated outwardly along the direction perpendicular to the air flow direction to be opened.