CN211725696U

CN211725696U - Solid feeding system

Info

Publication number: CN211725696U
Application number: CN201922024884.5U
Authority: CN
Inventors: 王杰; 王占平; 程谋诺
Original assignee: Siegfried Nantong Pharmaceuticals Co ltd
Current assignee: Siegfried Nantong Pharmaceuticals Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-10-23
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a solid feeding system, which comprises a material pumping pipe, a material pumping hose, a solid feeder, a vacuum hose and a movable solid feeding platform, wherein the solid feeder is provided with a feeding pipe and an air exhaust port, the movable solid feeding platform is provided with a vacuum pipe, one end of the material pumping hose is connected with the material pumping pipe, and the other end of the material pumping hose is connected with the feeding pipe; one end of the vacuum hose is connected with the air suction port, and the other end of the vacuum hose is connected with the vacuum tube. Thereby this application drops into through control evacuation control solid material, stops the unloading in-process of evacuation and adds nitrogen gas for the solid material prevents that the solid material from taking place oxidation reaction in being in inert gas, guarantees the purity of solid material, and with the material that is stronger to the toxicity, uses this equipment can effectual protection personnel safety.

Description

Solid feeding system

Technical Field

The utility model relates to a pharmacy batching field, concretely relates to solid charging system.

Background

In the traditional pharmaceutical processing process, solid materials are required to be added and enter a reaction kettle for reaction, but the direct feeding cannot control the feeding frequency and wastes time and labor; meanwhile, some materials which are easy to oxidize also need to be transported in an oxygen-free environment, and the requirement on a feeding system is high.

When some solid powder materials are added through the inlet holes, flying dust is easy to generate, the environment is polluted, cross contamination risks exist, and the flying dust is in contact with air and has potential explosion risks. For example, in the EC1941, acemetacin raw material drug project, the multi-step production needs to add hundreds of kilograms of intermediate dry products, which is a time-consuming and labor-consuming work and has potential operation risks, and the reduction of personnel and the increase of efficiency are necessary from the technical aspect. When some materials with strong toxicity are added, closed feeding can be adopted to protect operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solid charging system solves one or more among the above-mentioned prior art problem. According to the method, air in the solid feeder is pumped to reduce the air pressure in the storage tank, so that air pressure difference is generated between the air pressure and the outside, the solid material is pressed into the solid feeder by the external air pressure, and meanwhile, nitrogen is added to prevent the solid material from being oxidized; still another function is that liquid ingredients can be added while a hermetic cleaning is possible.

The solid feeding system comprises a material pumping pipe, a material pumping hose, a solid feeder, a vacuum hose and a movable solid feeding platform, wherein the solid feeder is provided with a feeding pipe and an air exhaust port, the movable solid feeding platform is provided with a vacuum pipe, one end of the material pumping hose is connected with the material pumping pipe, and the other end of the material pumping hose is connected with the feeding pipe; one end of the vacuum hose is connected with the air suction port, and the other end of the vacuum hose is connected with the vacuum tube.

In some embodiments, the solid charging means further comprises a material pumping pneumatic valve, a solid charging means filter element, a storage tank, a discharging pneumatic butterfly valve and a reaction kettle solid charging port, wherein the material pumping pneumatic valve is located in the middle of the charging pipe, the other end of the charging pipe is connected with the middle of the storage tank, the solid charging means filter element is located between the storage tank and the gas pumping port, the storage tank is provided with the discharging pneumatic butterfly valve, and the reaction kettle solid charging port is arranged below the discharging pneumatic butterfly valve.

In some embodiments, the feed tube is inclined at an oblique angle to the horizontal.

In some embodiments, the reaction kettle charging opening is in a circular truncated cone shape, and one end with a large cross section area is connected with the blanking pneumatic butterfly valve.

In some embodiments, the mobile solid feeding table further comprises a vacuum outlet, a nitrogen pipe, a vacuum filter, a pneumatic pipe, a vacuum pipe pneumatic valve and a compressed air inlet, the nitrogen pipe is connected with the middle of the vacuum pipe, the other end of the vacuum pipe is connected with the vacuum filter, the vacuum pipe pneumatic valve is arranged in the middle of the vacuum pipe, the vacuum outlet is arranged below the vacuum filter, the vacuum filter is provided with the compressed air inlet, the vacuum pipe is provided with the air inlet, the compressed air inlet is located below the vacuum filter, the pneumatic pipe is arranged above the vacuum pipe pneumatic valve, and the pneumatic pipe is connected with the compressed air inlet.

In some embodiments, the nitrogen pipe is horizontally connected with the vacuum pipe, a nitrogen pipe air valve is arranged in the middle of the nitrogen pipe, and the vacuum pipe air valve is positioned between the nitrogen pipe interface and the vacuum filter.

According to the utility model discloses an advantage of solid charging system is through remove the extraction of solid reinforced platform the inside air of solid charging means for the solid material is impressed by atmospheric pressure the solid charging means is reinforced through control evacuation control solid material, stops the unloading in-process of evacuation and adds nitrogen gas, makes the solid material be in inert gas, prevents that the solid material from taking place oxidation reaction, guarantees the purity of solid material, and with the material that is stronger to the toxicity, use this equipment can effectual protection personnel safety.

Drawings

Fig. 1 is a schematic structural view of a solids feeding system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a solids feeder of a solids feeding system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mobile charging platform of a solid charging system according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3:

the utility model discloses a solid feeding system, which comprises a material pumping pipe 1, a material pumping hose 2, a solid feeder 3, a vacuum hose 4 and a mobile solid feeding platform 5, wherein the solid feeder 3 is provided with a feeding pipe 31 and an air pumping port 32, the mobile solid feeding platform 5 is provided with a vacuum pipe 51, one end of the material pumping hose 2 is connected with the material pumping pipe 1, and the other end is connected with the feeding pipe 31; one end of the vacuum hose 4 is connected with the air suction port 32, and the other end is connected with the vacuum pipe 51; all the parts are connected through a hose, so that the charging is more convenient and flexible; the mobile solids feeder station 5 is also free to move and dock with other solids feeders 3 as required.

The solid feeder 3 further comprises a material pumping pneumatic valve 36, a solid feeder filter element 33, a storage tank 34, a blanking pneumatic butterfly valve 35 and a reaction kettle solid feeding port 37, wherein the material pumping pneumatic valve 36 is positioned in the middle of the feeding pipe 31, the other end of the feeding pipe 31 is connected with the middle of the storage tank 34, the solid feeder filter element 33 is positioned between the storage tank 34 and the air pumping port 32, the blanking pneumatic butterfly valve 35 is arranged below the storage tank 34, and the reaction kettle solid feeding port 37 is arranged below the blanking pneumatic butterfly valve 35; when removing reinforced platform 5 evacuation and taking out the material, the solid charging means filter core 33 of storage tank top can filtered air, prevents that the dust in the solid material from being inhaled and removing reinforced platform 5 pollution equipment, guarantees the reuse of equipment.

The feed pipe 31 is inclined at an oblique angle to the horizontal so that solids can flow smoothly into the holding tank 34 during withdrawal.

The solid feed inlet 37 of the reaction kettle is in a round table shape, one end with a large cross section area is connected with the pneumatic discharging butterfly valve 35, and the discharging port with a small cross section area enables solid materials to fall into the reaction kettle in a concentrated mode during discharging.

The movable solid feeding table 5 further comprises a vacuum outlet 52, a nitrogen pipe 53, a vacuum filter 54, a pneumatic pipe 55, a vacuum pipe pneumatic valve 56 and a compressed air inlet 57, wherein the nitrogen pipe 53 is connected with the middle part of the vacuum pipe 51, the other end of the vacuum pipe 51 is connected with the vacuum filter 54, the vacuum pipe pneumatic valve 56 is arranged in the middle of the vacuum pipe 51, the vacuum outlet 52 is arranged below the vacuum filter 54, the vacuum filter 54 is provided with the compressed air inlet 57, the pneumatic pipe 55 is arranged above the vacuum pipe pneumatic valve 56, and the pneumatic pipe 55 is connected with the compressed air inlet 57; the pneumatic tube provides power for all pneumatic valves, and during the vacuumizing process, the air filters impurities in the air through the vacuum filter 54, so that the vacuumizing equipment is protected.

The nitrogen pipe 53 is horizontally connected with the vacuum pipe 51, the middle part of the nitrogen pipe 53 is provided with a nitrogen pipe air valve 58, the vacuum pipe air valve 56 is positioned between the interface of the nitrogen pipe 53 and the vacuum filter 54, and when the vacuum pumping is stopped, nitrogen can be added to prevent the solid material from being oxidized, so that the purity of the solid material is ensured.

In the EC1941 project, the material pumping pipe 1 is inserted into the container of the solid material, the material pumping pneumatic valve 36 and the vacuum pipe pneumatic valve 56 are opened, the blanking pneumatic butterfly valve 35 is closed, the vacuum outlet 52 of the solid feeding table 5 is moved to start vacuum pumping, so that the air pressure in the solid feeder 3 is reduced, the solid material is pressed into the material pumping pipe 1 by the atmospheric pressure, then enters the material pumping hose 2 and the feeding pipe 31, and finally flows into the material storage tank 34; when the bulk density of the solid materials is added to the 1/2-2/3 degree of the storage tank, the vacuumizing is stopped, then the material pumping pneumatic valve 36 and the vacuum tube pneumatic valve 56 are closed, nitrogen is added simultaneously, so that the air pressure of the storage tank is recovered to be normal, the blanking pneumatic butterfly valve 35 is closed and opened, the solid materials are added into the reaction kettle, and one-time solid material feeding is completed. The feeding speed can be adjusted by adjusting the air pressure and the opening size of the butterfly valve.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.

Claims

1. A solids feeding system, characterized by: the device comprises a material pumping pipe (1), a material pumping hose (2), a solid feeder (3), a vacuum hose (4) and a movable solid feeding table (5), wherein the solid feeder (3) is provided with a feeding pipe (31) and a pumping hole (32), the movable solid feeding table (5) is provided with a vacuum pipe (51), one end of the material pumping hose (2) is connected with the material pumping pipe (1), and the other end of the material pumping hose is connected with the feeding pipe (31); one end of the vacuum hose (4) is connected with the air suction port (32), and the other end of the vacuum hose is connected with the vacuum pipe (51).

2. The solid feeding system according to claim 1, wherein the solid feeder (3) further comprises a feeding pneumatic valve (36), a solid feeder filter element (33), a storage tank (34), a feeding pneumatic butterfly valve (35) and a reaction kettle solid feeding port (37), the feeding pneumatic valve (36) is located in the middle of the feeding pipe (31), the other end of the feeding pipe (31) is connected with the middle of the storage tank (34), the solid feeder filter element (33) is located between the storage tank (34) and the feeding port (32), the feeding pneumatic butterfly valve (35) is arranged below the storage tank (34), and the reaction kettle solid feeding port (37) is arranged below the feeding pneumatic butterfly valve (35).

3. A solids feeding system according to claim 2, wherein the feeding tube (31) is inclined at an oblique angle to the horizontal.

4. A solids feeding system according to claim 2, wherein the reactor solids feed port (37) is of the truncated cone type with the larger cross-sectional area end connected to the feed pneumatic butterfly valve (35).

5. A solid feeding system according to claim 1, wherein said mobile solid feeding station (5) further comprises a vacuum outlet (52), a nitrogen pipe (53), a vacuum filter (54), a pneumatic pipe (55), a vacuum pipe pneumatic valve (56) and a compressed air inlet (57), said nitrogen pipe (53) is connected to the middle of said vacuum pipe (51), the other end of said vacuum pipe (51) is connected to said vacuum filter (54), said vacuum pipe pneumatic valve (56) is arranged in the middle of said vacuum pipe (51), said vacuum filter (54) is provided with said vacuum outlet (52) below, said vacuum filter (54) is provided with said compressed air inlet (57), said compressed air inlet (57) is located below said vacuum filter (54), said pneumatic pipe (55) is arranged above said vacuum pipe pneumatic valve (56), the pneumatic tube (55) is connected to the compressed air inlet (57).

6. A solids feeding system according to claim 5, characterized in that said nitrogen line (53) is horizontally connected to said vacuum line (51), said nitrogen line (53) being centrally provided with a nitrogen line air valve (58), said vacuum line air valve (56) being located between the interface with said nitrogen line (53) and said vacuum filter (54).