Filtering and impurity removing device for hydroxypropyl methylcellulose hollow capsules

Abstract

The utility model discloses a hydroxypropyl methylcellulose hollow capsule filtering and impurity removing device which comprises a heat preservation barrel body, a liquid inlet pipeline, a heat conduction filter screen, a rotating shaft, a rotating motor, a rotating scraper blade, a limiting net groove, an impurity net groove, a constant-temperature electric heater, a constant-temperature water bath heating cavity and a liquid drainage pipeline. The heat-conducting filter screen is matched with the constant-temperature electric heater and the rotary scraping plate to scrape and filter a glue solution, so that the glue solution is effectively prevented from being accumulated on the heat-conducting filter screen due to temperature reduction and high viscosity, and the glue solution filtering efficiency is high; impurities which cannot be filtered can be driven by the rotary scraping plate to be thrown into an impurity net groove in the edge of the heat conduction filter net under the action of centrifugal force to be collected, meanwhile, filtered glue liquid is subjected to water bath heating and heat preservation, and the glue liquid quality of empty capsules can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hollow capsule processing device, particularly the technical field of hydroxypropyl methyl cellulose hollow capsule filtering and impurity removing device.

BACKGROUND

[0002] Hydroxypropyl methyl cellulose (HPMC) hollow capsule is made of plant raw material hydroxypropyl methyl cellulose and proper auxiliary material, and is of pure plant source; its low moisture and high toughness characteristics can meet the filling of high hygroscopic drug, and the production quality of hydroxypropyl methyl cellulose hollow capsule can be affected by the impurities carried in the hydroxypropyl methyl cellulose hollow capsule after being dissolved.

UTILITY MODEL CONTENTS

[0003] The utility model discloses a hydroxypropyl methyl cellulose hollow capsule filtering and impurity removing device, which can scrape and filter the glue solution through the heat conduction filter screen, the constant temperature electric heater and the rotary scraper, effectively prevent the glue solution from being accumulated on the heat conduction filter screen due to the temperature reduction and high viscosity, the glue solution filtering efficiency is high, the impurities that cannot be filtered are collected in the impurity screen groove at the edge of the heat conduction filter screen under the action of the centrifugal force, and the glue solution after filtering is heated and kept warm in water bath, so that the glue solution quality of the hollow capsule is improved.

[0004] In order to achieve the above object, the utility model provides a hydroxypropyl methyl cellulose hollow capsule filtering and impurity removing device, which comprises a heat preservation barrel, a liquid inlet pipeline, a heat conduction filter screen, a rotating shaft, a rotating motor, a rotary scraper, a limiting screen groove, an impurity screen groove, a constant temperature electric heater, a constant temperature water bath heating cavity and a liquid outlet pipeline, the top center position of the heat preservation barrel is provided with the liquid inlet pipeline, the upper part of the heat preservation barrel is provided with the heat conduction filter screen, the top center position of the heat conduction filter screen is provided with the rotating shaft, the bottom of the rotating shaft is installed with the rotating motor, the upper part of the rotating shaft is provided with a plurality of rotary scrapers, the bottom of the rotary scraper is in contact with the top of the heat conduction filter screen, the edge of the heat conduction filter screen is provided with a plurality of limiting screen grooves with top openings, the limiting screen groove is detachably provided with the impurity screen groove, the bottom of the heat conduction filter screen is provided with a plurality of constant temperature electric heaters, the bottom of the heat preservation barrel is provided with the constant temperature water bath heating cavity, the bottom of the heat preservation barrel is provided with the liquid outlet pipeline, and the liquid outlet pipeline is provided with a closed valve.

[0005] Preferably, the top of the rotating shaft is provided with a conical shunt cap, and the rotating motor is a waterproof motor.

[0006] Preferably, the bottom of the rotary scraper is uniformly provided with a plurality of branch secondary scrapers, and the branch secondary scrapers are in contact with the top of the heat conduction filter screen.

[0007] As preferred, the outer end of the rotating scraper is radially provided with a plurality of side wall scrapers, which are in contact with the inner side wall of the heat preservation barrel.

[0008] As preferred, the bottom of the heat preservation barrel is provided with a converging arc groove, and the liquid discharge pipeline is located at the bottom end of the converging arc groove.

[0009] As preferred, the bottom of the heat preservation barrel is uniformly provided with a plurality of support columns.

[0010] As preferred, the top of the heat preservation barrel is provided with a detachable top cover, and the liquid inlet pipeline is fixedly installed on the detachable top cover.

[0011] The beneficial effects of the present application are as follows: the heat preservation barrel, the liquid inlet pipeline, the heat-conducting filter screen, the rotating shaft, the rotating motor, the rotating scraper, the limiting mesh groove, the impurity mesh groove, the constant-temperature electric heater, the constant-temperature water bath heating cavity and the liquid discharge pipeline are combined together, and after optimization through experiments, the glue solution can be scraped and filtered through the heat-conducting filter screen, the constant-temperature electric heater and the rotating scraper, the glue solution temperature is effectively prevented from being reduced and the viscosity is effectively prevented from being large and accumulated on the heat-conducting filter screen, the glue solution filtering efficiency is high, the impurities that cannot be filtered are driven by the rotating scraper and collected in the impurity mesh groove at the edge of the heat-conducting filter screen under the action of centrifugal force, and the filtered glue solution is subjected to water bath heating and heat preservation, which is beneficial to improving the glue solution quality of the hollow capsule.

[0012] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the hydroxypropyl methyl cellulose hollow capsule filtering and impurity removing device.

[0014] In the figure: 1-heat preservation barrel, 2-liquid inlet pipeline, 3-heat-conducting filter screen, 4-rotating shaft, 5-rotating motor, 6-rotating scraper, 7-limiting mesh groove, 8-impurity mesh groove, 9-constant-temperature electric heater, 10-constant-temperature water bath heating cavity, 11-liquid discharge pipeline.

DETAILED DESCRIPTION

[0015] Reference is made to Figure 1The utility model discloses a hydroxypropyl methyl cellulose hollow capsule filters and removes impurity device, including heat preservation bucket body 1, liquid inlet pipeline 2, heat conduction filter screen 3, rotating shaft 4, rotating motor 5, rotary scraper 6, limit net groove 7, impurity net groove 8, constant temperature electric heater 9, constant temperature water bath heating cavity 10 and liquid outlet pipeline 11, the top center position of heat preservation bucket body 1 is provided with liquid inlet pipeline 2, the upper portion of heat preservation bucket body 1 is provided with heat conduction filter screen 3, the top center position of heat conduction filter screen 3 is provided with rotating shaft 4, the bottom of rotating shaft 4 is installed with rotating motor 5, the upper portion of rotating shaft 4 is provided with a plurality of rotary scraper 6 of symmetry, the bottom of rotary scraper 6 is in contact with the top of heat conduction filter screen 3, the edge of heat conduction filter screen 3 is provided with a plurality of top opening limit net groove 7, the limit net groove 7 is detachably provided with impurity net groove 8, the bottom of heat conduction filter screen 3 is provided with a plurality of constant temperature electric heater 9, the bottom of heat preservation bucket body 1 is provided with constant temperature water bath heating cavity 10, the bottom of heat preservation bucket body 1 is provided with liquid outlet pipeline 11, the liquid outlet pipeline 11 is installed with closed valve, the top of rotating shaft 4 is provided with the diverter cap of conical, rotating motor 5 is waterproof motor, the bottom of rotary scraper 6 is evenly provided with a plurality of branch vice scraper, the branch vice scraper is in contact with the top of heat conduction filter screen 3, the outer end of rotary scraper 6 is provided with a plurality of side wall scraper radially, the side wall scraper is in contact with the inner side wall of heat preservation bucket body 1, the bottom of heat preservation bucket body 1 is provided with the converging arc groove, the liquid outlet pipeline 11 is located at the bottom end of converging arc groove, the bottom of heat preservation bucket body 1 is evenly provided with a plurality of support columns, the top of heat preservation bucket body 1 is provided with detachable top cover, liquid inlet pipeline 2 is fixedly installed on detachable top cover.

[0016] The utility model discloses a heat preservation bucket body 1, liquid inlet pipeline 2, heat conduction filter screen 3, rotating shaft 4, rotating motor 5, rotary scraper 6, limit net groove 7, impurity net groove 8, constant temperature electric heater 9, constant temperature water bath heating cavity 10 and liquid outlet pipeline 11 are combined together, and through experiment optimization, can carry out scraper flat filter to glue liquid through heat conduction filter screen 3 cooperation constant temperature electric heater 9 and rotary scraper 6, effectively prevent glue liquid temperature reduction and viscosity big and accumulate on heat conduction filter screen 3, glue liquid filtering efficiency is high, and the impurity that cannot filter will be driven in the centrifugal force action and fly to the impurity net groove 8 in the edge of heat conduction filter screen 3 and collect, and the glue liquid after filtering is heated and kept warm in water bath, and it is favorable to promote the glue liquid quality of hollow capsule.

[0017] The above examples are illustrative of the present utility model and are not limiting of the present utility model, and any simple transformation of the present utility model belongs to the protection scope of the present utility model.

Claims

1. A device for filtering and removing impurities from hydroxypropyl methylcellulose hollow capsules, characterized by: The utility model provides a heat preservation bucket body (1), liquid inlet pipeline (2), heat conducting filter screen (3), rotating shaft (4), rotating motor (5), rotating scraper (6), limiting screen groove (7), impurity screen groove (8), constant temperature electric heater (9), constant temperature water bath heating cavity (10) and liquid outlet pipeline (11), the top center position of heat preservation bucket body (1) is provided with liquid inlet pipeline (2), the upper portion of heat preservation bucket body (1) is provided with heat conducting filter screen (3), the top center position of heat conducting filter screen (3) is provided with rotating shaft (4), the bottom of rotating shaft (4) is installed with rotating motor (5), the upper portion of rotating shaft (4) is provided with a plurality of rotating scraper (6) symmetrically, the bottom of rotating scraper (6) is in contact with the top of heat conducting filter screen (3), the edge of heat conducting filter screen (3) is provided with a plurality of top opening limiting screen groove (7), the inside of limiting screen groove (7) can be detachably provided with impurity screen groove (8), the bottom of heat conducting filter screen (3) is provided with a plurality of constant temperature electric heater (9), the bottom of heat preservation bucket body (1) is provided with constant temperature water bath heating cavity (10), the bottom of heat preservation bucket body (1) is provided with liquid outlet pipeline (11) through, and the liquid outlet pipeline (11) is installed with closed valve.

2. The hydroxypropyl methylcellulose hollow capsule impurity filtering device according to claim 1, characterized in that: The top of rotating shaft (4) is provided with a conical shunt cap, and the rotating motor (5) is a waterproof motor.

3. The hydroxypropyl methylcellulose hollow capsule impurity filtering device according to claim 1, wherein: The bottom of rotating scraper (6) is uniformly provided with a plurality of branch auxiliary scrapers, which are in contact with the top of heat conducting filter screen (3).

4. The hydroxypropyl methylcellulose hollow capsule impurity filtering device according to claim 1, wherein: The outer end of rotating scraper (6) is provided with a plurality of side wall scrapers in the radial direction, which are in contact with the inner side wall of heat preservation bucket body (1).

5. The hydroxypropyl methylcellulose hollow capsule impurity filtering device according to claim 1, wherein: The bottom of heat preservation bucket body (1) is provided with a flow converging arc groove, and the liquid outlet pipeline (11) is located at the bottom end of the flow converging arc groove.

6. The hydroxypropyl methylcellulose hollow capsule impurity filtering device according to claim 1, wherein: The bottom of heat preservation bucket body (1) is uniformly provided with a plurality of support columns.

7. The hydroxypropyl methylcellulose hollow capsule impurity filtering device as claimed in claim 1, wherein: The top of heat preservation bucket body (1) is provided with a detachable top cover, and the liquid inlet pipeline (2) is fixedly installed on the detachable top cover. The top of heat preservation bucket body (1) is provided with a detachable top cover, and the liquid inlet pipeline (2) is fixedly installed on the detachable top cover.

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