Backwashing structure of pharmaceutical filtering equipment

Abstract

The utility model discloses a backwash structure of pharmaceutical filtering equipment, which relates to the technical field of pharmaceutical equipment and comprises a filtering box body, a liquid distributor is arranged on one side in the filtering box body, and a backwash pipeline and an output pipeline are respectively communicated with the upper part and the lower part of the other side wall of the filtering box body. A first-stage filter element, a second-stage filter element, a third-stage filter element and a fourth-stage filter element are sequentially arranged in the filter box body, and the upper ends and the lower ends, located on the two sides of the liquid distributor, of the side walls of the filter box body and between the first-stage filter element, the second-stage filter element, the third-stage filter element and the fourth-stage filter element are all communicated with back-flushing auxiliary pipelines; a waste liquid output pipeline is arranged at the position, corresponding to the backwash auxiliary pipeline, of the middle position of the lower wall of the filter box body, each filter material layer is washed, limitation of the structure of the filter material layers of the filter device is avoided, the washing capacity of backwash water to the filter material layers is improved, and the backwash effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pharmaceutical equipment technical field, concretely relates to a pharmaceutical filter equipment backflush structure. BACKGROUND

[0002] Pharmaceutical filter equipment is the key device in the pharmaceutical process, it has multiple types, such as plate and frame filter press, vacuum drum filter, etc., these devices aim at removing impurities, microorganism and insoluble particles in the liquid medicine, and its material is stainless steel etc. that meets pharmaceutical hygiene standard, ensures the quality and safety of medicine, and the filtering precision can be adjusted according to demand, from rough filtration to fine filtration, efficiently and stably guarantee the smooth progress of pharmaceutical process, plays an indispensable role in improving the purity and quality of medicine, and usually adopts backflushing mode to clean the filter equipment. The traditional backflushing device directly inputs flushing water from the output end in reverse, and flushes the whole filter device, due to the limitation of filter material layer structure of the filter device, the flushing effect cannot meet the requirement. SUMMARY

[0003] The utility model discloses a pharmaceutical filter equipment backflush structure to solve the problem that the traditional backflushing device directly inputs flushing water from the output end in reverse, flushes the whole filter device, due to the limitation of filter material layer structure of the filter device, the flushing effect cannot meet the requirement.

[0004] To achieve the above object, the utility model provides the following technical scheme: a pharmaceutical filter equipment backflush structure, including filter box, the inside one side of filter box is equipped with liquid distributor, the other side wall of filter box is connected with backflush pipe and output pipe respectively, the inside of filter box and between liquid distributor and backflush pipe and output pipe are equipped with primary filter core, secondary filter core, tertiary filter core and quaternary filter core in proper order, the side wall of filter box is connected with backflush auxiliary pipe in proper order in the both sides of liquid distributor and between primary filter core, secondary filter core, tertiary filter core and quaternary filter core, the middle position of lower wall of filter box and the position corresponding to backflush auxiliary pipe are equipped with waste liquid output pipe.

[0005] Preferably, the inside of the filter box and the corresponding positions of the primary filter core, the secondary filter core, the tertiary filter core and the quaternary filter core are provided with a sealing groove, the primary filter core, the secondary filter core, the tertiary filter core and the quaternary filter core are connected with the sealing groove by splicing, and the upper end of the primary filter core, the secondary filter core, the tertiary filter core and the quaternary filter core is provided with a sealing cover, and the sealing cover is fixedly connected with the upper wall of the filter box by bolts.

[0006] Preferably, the input end of the liquid distributor is in communication with an input electric control valve, the input end of the backflushing pipeline is in communication with a backflushing electric control valve, and the input end of the output pipeline is in communication with an output electric control valve.

[0007] Preferably, the input end of the backflushing auxiliary pipeline is in communication with a backflushing auxiliary electric control valve, and the input end of the waste liquid output pipeline is in communication with a waste liquid output electric control valve.

[0008] Preferably, the inside of the filter box is provided with filter cavities on both sides of the first filter core, the second filter core, the third filter core and the fourth filter core.

[0009] Compared with the prior art, the utility model has the beneficial effects that: the backflushing device for replacing the traditional direct reverse input flushing water from the output end is provided with auxiliary backflushing water pipelines between each filter material layer, backflushing water is input between each filter material layer, each filter material layer is flushed, the limitation of the filter material layer structure of the filter device is avoided, the flushing capacity of the backflushing water to the filter material layer is improved, and the backflushing effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the main structure of the utility model axonometric view;

[0011] Figure 2 It is the main structure of the utility model axonometric view;

[0012] Figure 3 It is the main structure of the utility model axonometric view;

[0013] Figure 4 It is the main structure of the utility model axonometric view;

[0014] Figure 5 It is the main structure of the utility model axonometric view.

[0015] In the drawing: 1-filter box, 2-liquid distributor, 3-backflushing pipeline, 4-output pipeline, 5-first filter core, 6-second filter core, 7-third filter core, 8-fourth filter core, 9-backflushing auxiliary pipeline, 10-waste liquid output pipeline, 11-sealing groove, 12-sealing cover, 13-input electric control valve, 14-backflushing electric control valve, 15-output electric control valve, 16-backflushing auxiliary electric control valve, 17-waste liquid output electric control valve, 18-filter cavity. DETAILED DESCRIPTION

[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Please refer to Figures 1-5 The utility model provides a kind of pharmacy filter equipment backwash structure, including filter box 1, the inside one side of filter box 1 is equipped with liquid distributor 2, the other side wall of filter box 1 is connected with backflush pipe 3 and output pipe 4 respectively, the inside of filter box 1 and between liquid distributor 2 and backflush pipe 3 and output pipe 4 are sequentially equipped with primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8, the side wall of filter box 1 is connected with backflush auxiliary pipe 9 in the upper and lower ends between the both sides of liquid distributor 2 and primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8, the lower wall of filter box 1 is equipped with waste liquid output pipe 10 in the position corresponding to backflush auxiliary pipe 9.

[0018] When using, the liquid needing filtration is distributed by liquid distributor 2 and then input to the inside of filter box 1, then sequentially passes through primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8, and the liquid is filtered by primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8 with increasing filtration precision, and the filtered liquid is output through output pipe 4, when backwashing is needed, liquid distributor 2 and output pipe 4 are closed, backflush pipe 3 is used to input backwashing water to the inside of filter box 1, and the impurities attached to primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8 are washed to the inside of filter box 1, then backflush auxiliary pipe 9 is opened to input auxiliary backwashing water to the inside of filter box 1, and the impurities in the inside of filter box 1 and between primary filter core 5, secondary filter core 6, tertiary filter core 7 and fourth filter core 8 are output through waste liquid output pipe 10.

[0019] The inside of the filter box 1 is provided with a sealing groove 11 corresponding to the positions of the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8, the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 are connected with the sealing groove 11 by splicing, the upper end of the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 is provided with a sealing cover 12, the sealing cover 12 is fixedly connected with the upper wall of the filter box 1 through bolts, the sealing groove 11 is arranged in the inside of the filter box 1, which ensures that the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 are sealingly connected to the inside of the filter box 1, and the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 are sealingly connected to the upper end of the filter box 1 by arranging the sealing cover 12 on the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8.

[0020] The input end of the liquid distributor 2 is connected in communication with an input electric control valve 13, the liquid needing to be filtered which is input into the inside of the filter box 1 is controlled through the input electric control valve 13, the input end of the backflushing pipeline 3 is connected in communication with a backflushing electric control valve 14, the backflushing water which is input into the inside of the filter box 1 is controlled through the backflushing electric control valve 14, the input end of the output pipeline 4 is connected in communication with an output electric control valve 15, the liquid which is filtered in the inside of the filter box 1 is controlled through the output electric control valve 15.

[0021] The input end of the backflushing auxiliary pipeline 9 is connected in communication with a backflushing auxiliary electric control valve 16, the auxiliary backflushing water which is input into the inside of the filter box 1 and between the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 is controlled through the backflushing auxiliary electric control valve 16, the input end of the waste liquid output pipeline 10 is connected in communication with a waste liquid output electric control valve 17, the impurities in the inside of the filter box 1 and between the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 is controlled through the waste liquid output electric control valve 17.

[0022] The inside of the filter box 1 and between the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 is provided with a filtering cavity 18, the filtering cavity 18 is left between the first filter core 5, the second filter core 6, the third filter core 7 and the fourth filter core 8 in the inside of the filter box 1, the impurities filtered out are temporarily stored through the filtering cavity 18.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially modified without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A backwash structure of a pharmaceutical filtration apparatus, characterized by: The utility model provides a filter box (1) is provided with liquid distributor (2) in the inside one side of filter box (1), and the other side wall of filter box (1) is connected with backflushing pipeline (3) and output pipeline (4) respectively in upper and lower, and the inside of filter box (1) and between liquid distributor (2) and backflushing pipeline (3) and output pipeline (4) are sequentially provided with primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8), and the side wall of filter box (1) is connected with backflushing auxiliary pipeline (9) in upper and lower end between the both sides of liquid distributor (2) and primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8), and the lower wall of filter box (1) is provided with waste liquid output pipeline (10) in the position corresponding to backflushing auxiliary pipeline (9) in the middle position.

2. The backwash structure of a pharmaceutical filtration apparatus according to claim 1, characterized in that: The inside of filter box (1) is provided with sealing groove (11) in the position corresponding to primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8), and primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8) are connected with sealing groove (11) by splicing, and the upper end of primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8) is provided with sealing cover (12), and sealing cover (12) is fixedly connected with the upper wall of filter box (1) by bolt.

3. The backwash structure of a pharmaceutical filtration apparatus according to claim 1, characterized in that: The input end of liquid distributor (2) is connected with input electric control valve (13), the input end of backflushing pipeline (3) is connected with backflushing electric control valve (14), and the input end of output pipeline (4) is connected with output electric control valve (15).

4. The backwash structure of a pharmaceutical filtration apparatus according to claim 1, wherein: The input end of backflushing auxiliary pipeline (9) is connected with backflushing auxiliary electric control valve (16), and the input end of waste liquid output pipeline (10) is connected with waste liquid output electric control valve (17).

5. The backwash structure of a pharmaceutical filtration apparatus according to claim 1, wherein: The inside of filter box (1) is provided with filter cavity (18) in the both sides of primary filter core (5), secondary filter core (6), tertiary filter core (7) and fourth filter core (8).

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