CN206045439U - A kind of aseptic spray drying device - Google Patents

Abstract

The utility model relates to an aseptic spray drying device, which comprises a drying tower, an atomizer, a sterilization filter, a diffusion mechanism, an air inlet pipeline, a cyclone separator, an aseptic clean room and a water film dust remover, the drying tower is composed of an upper tower body and a lower tower cone which are connected up and down, the inner cavity section of the upper tower body and the inner cavity section of the lower tower cone are trapezoidal, the top of the upper tower body is provided with a diversion chamber, the atomizer is arranged in the diversion chamber, the sterilizing filter is arranged on the liquid inlet pipe, the diffusion mechanism is arranged at the outlet of the flow guide chamber, one end of the air inlet pipeline extends into the upper tower body, the other end of the air inlet pipeline is connected with an air filter, the cyclone separator is connected to the bottom of the lower cone, the sterile clean room is communicated with a discharge hole in the bottom of the cyclone separator, and the water film dust collector is connected to an air outlet of the cyclone separator through an air outlet pipe. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Description

A kind of aseptic spray drying device

technical field

The utility model relates to a drying device, in particular to a sterile spray drying device.

Background technique

Aseptic spray dryer is the main equipment for the production of powder injections in the pharmaceutical industry. Many antibiotics, such as streptomycin sulfate, gentamicin sulfate, kanamycin sulfate, etc., must use sterile Bacteria spray drying to prepare finished products. In an aseptic spray drying system, all materials and air entering the system must be sterilized. The collection of products must also be carried out in a sterile room, so the liquid to be sprayed must be filtered and sterilized before it can be sent to the sprayer, and the compressed air used for spraying must also be purified before it can be used. The air used for drying is filtered through primary, medium and high efficiency filters to obtain purified air, and then sent to the spray drying chamber after being heated by a heater. The dried finished product and air are separated by cyclone separator. The finished product is collected and packaged on the clean bench of the sterile room. The exhaust gas is emptied after dust removal by the bag filter. The structure of the existing aseptic spray dryer is complicated, and the atomization effect is not uniform.

Contents of the invention

The technical problem to be solved by the utility model is to make the mist droplet fill the entire upper tower body more quickly through the additional diffusion mechanism, so that the mist droplet can fully contact with the high-temperature gas, and play a role in improving the drying efficiency; provide a non-toxic Bacteria spray drying device.

In order to solve the above-mentioned technical problems, the structure of the utility model includes

Drying tower, the drying tower is composed of an upper tower body with a trapezoidal inner cavity section and a lower tower cone connected up and down,

The atomizer, the top of the upper tower body is provided with a diversion chamber, the atomizer is installed in the diversion chamber, the atomizer is connected with the liquid storage tank through the liquid inlet pipe, and the inlet A feed pump is installed on the liquid pipe,

The sterilizing filter, the sterilizing filter is installed on the liquid inlet pipe,

a diffusion mechanism, the diffusion mechanism is installed at the outlet of the diversion chamber,

Air intake pipe, one end of the air intake pipe extends into the upper tower body, the other end of the air intake pipe is connected with the air filter, and the first air blower and heater are installed in sequence on the air intake pipe and heat-resistant high-efficiency filters,

Cyclone separator, the cyclone separator is connected at the bottom of the lower tower cone,

Aseptic clean room, the aseptic clean room communicates with the outlet at the bottom of the cyclone separator,

A water film dust collector, the water film dust collector is connected to the air outlet of the cyclone separator through an air outlet pipe, and a second air blower is installed on the air outlet pipe.

Further: the liquid storage tank is provided with a partition plate, the internal space of the liquid storage tank is divided into left and right parts by the partition plate, the upper end of the partition plate and the top of the liquid storage tank There is a gap between them, the lower end of the partition plate is in contact with the bottom of the liquid storage tank, one end of the liquid inlet pipe extends into the bottom of the liquid storage tank on the right side of the partition plate, and the One end of the liquid inlet pipe in the liquid tank is equipped with a strainer.

Still further: the diffusion mechanism includes a motor and a rotating vane, the motor is installed in the guide chamber, the rotating vane is set on the shaft end of the motor, and the rotating vane is located at the outlet of the guide chamber .

A further step: an air hammer jar is installed on the outer wall of the lower tower cone.

After adopting the above structure, the utility model makes the mist droplets fill the whole upper tower body more quickly through the additional diffusion mechanism, so that the mist droplets can fully contact with the high-temperature gas, which plays a role in improving the drying efficiency; and this design also has It has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic structural view of the liquid storage tank.

detailed description

A kind of aseptic spray drying device as shown in Figure 1, comprises drying tower 1, atomizer 5, sterilizing filter 10, diffusion mechanism, air inlet pipeline 12, cyclone separator 19, aseptic clean room 20 and water Membrane dust collector 21, the drying tower 1 is composed of an upper tower body 2 with a trapezoidal inner cavity section and a lower tower cone 3 connected up and down, the top of the upper tower body 2 is provided with a diversion chamber 4, The atomizer 5 is installed in the diversion chamber 6, the atomizer 5 is connected to the liquid storage tank 9 through the liquid inlet pipe 8, and the feed pump 11 is installed on the liquid inlet pipe 8, so that The above-mentioned sterilizing filter 10 is installed on the liquid inlet pipe 8, the described diffusion mechanism is installed at the outlet of the diversion chamber 4, and one end of the described air inlet pipe 12 extends into the upper tower body 2, and the described The other end of the air inlet pipe 12 is connected with the air filter 13, and the first air blower 14, the heater 17 and the temperature-resistant high-efficiency filter 15 are also installed successively on the described air inlet pipe 12, and the described cyclone separator 19 is connected At the bottom of the lower tower cone 3, the aseptic clean room 20 communicates with the outlet at the bottom of the cyclone separator 19, and the water film dust remover 21 is connected to the gas outlet of the cyclone separator 19 by an air outlet pipe. A second air blower 22 is installed on the air outlet pipe. When working, start the feed pump 11 to transport the material to the atomizer 1, use the atomizer 1 to atomize the material and enter the upper tower body 2, and at the same time start the first blower 14 and the heater 17 to use the intake pipe 12. Conveying high-temperature gas into the upper tower body 2, the mist droplets will dry quickly after contacting with the high-temperature gas, and then start the cyclone separator 19 to separate the solid and gas, so that the solid material automatically enters the aseptic clean room 20 from the discharge port for storage. The tail gas is transported into the water film dust collector 21 for processing. In this design, while drying the material, the diffusion mechanism is activated to make the mist droplets fill the entire upper tower body more quickly, so that the mist droplets can fully contact with the high-temperature gas, which plays a role in improving the drying efficiency.

The liquid storage tank 9 shown in Figure 2 is provided with a dividing plate 24, and the internal space of the described liquid storing tank 12 is divided into left and right two parts by the dividing plate 24, and the upper end of the described dividing plate 24 is connected to There is a gap between the tops of the liquid storage tanks 12, the lower end of the partition plate 24 is in contact with the bottom of the liquid storage tank 12, and one end of the liquid inlet pipe 8 extends into the right side of the partition plate 24. At the bottom of the liquid storage tank 12 , a filter screen 23 is installed at the end of the liquid inlet pipe 8 in the liquid storage tank 12 . The material solution is first transported into the liquid storage tank 12 on the left side of the partition plate 24 for natural settlement. As the solution continues to flow in, the solution after removal of impurities will enter the partition plate through the gap between the partition plate 24 and the liquid storage tank 12 In the liquid storage tank 12 on the right side of 24; the utility model removes impurities from the solution by adopting the above-mentioned design, reduces the solid impurities in the solution, and ensures the atomization efficiency of the material solution.

The diffusion mechanism shown in Figure 1 includes a motor 6 and a rotating blade 7, the motor 6 is installed in the guide chamber 4, the rotating blade 7 is sleeved on the shaft end of the motor 6, and the rotating blade 7 is located at the outlet of the diversion chamber 4 . When it is necessary to diffuse the mist, start the motor 6 to make it rotate with the rotating blade 7, and the mist will quickly fill the entire upper tower body 2 under the action of the rotating vane 7, so that the mist can fully contact with the high-temperature gas , played a role in improving the drying efficiency.

Air hammer jar 18 is installed on the outer wall of lower tower cone 3 as shown in Fig. The dry material on the wall falls, which has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Claims (4)

1. A sterile spray drying device, characterized in that: comprising Drying tower (1), described drying tower (1) is to be made up of upper tower body (2) and lower tower cone (3) connecting up and down with trapezoidal inner chamber section, The atomizer (5), the top of the upper tower (2) is provided with a diversion chamber (4), the atomizer (5) is installed in the diversion chamber (4), the The atomizer (5) is connected to the liquid storage tank (9) through the liquid inlet pipe (8), and the feed pump (11) is installed on the liquid inlet pipe (8), Sterilizing filter (10), described sterilizing filter (10) is installed on the liquid inlet pipe (8), Diffusion mechanism, said diffusion mechanism is installed at the outlet of the diversion chamber (4), Air intake pipe (12), one end of the air intake pipe (12) stretches into the upper tower body (2), and the other end of the air intake pipe (12) is connected with the air filter (13), so The first air blower (14), heater (17) and temperature-resistant high-efficiency filter (15) are also installed successively on the air intake pipe (12), Cyclone separator (19), described cyclone separator (19) is connected at the bottom of lower tower cone (3), Aseptic clean room (20), described aseptic clean room (20) communicates with the outlet at the bottom of the cyclone separator (19), Water film deduster (21), described water film deduster (21) is connected to the air outlet of cyclone separator (19) through the air outlet pipe, and the second air blower (22) is installed on the described air outlet pipe. 2. A kind of aseptic spray drying device according to claim 1, characterized in that: a partition plate (24) is arranged in the described liquid storage tank (9), and a partition plate (24) of the described liquid storage tank (9) The inner space is divided into left and right parts by a partition plate (24), there is a gap between the upper end of the partition plate (24) and the top of the liquid storage tank (9), and the partition plate (24) ) is in contact with the bottom of the liquid storage tank (9), and one end of the liquid inlet pipe (8) stretches into the bottom of the liquid storage tank (9) on the right side of the dividing plate (24), and the described A strainer (23) is installed at one end of the liquid inlet pipe (8) in the liquid storage tank (9). 3. A kind of aseptic spray drying device according to claim 1, characterized in that: the diffusion mechanism includes a motor (6) and a rotating blade (7), and the motor (6) is installed in the diversion chamber In (4), the rotating blade (7) is set on the output shaft end of the motor (6), and the rotating blade (7) is located at the outlet of the flow guiding chamber (4). 4. A sterile spray drying device according to claim 1, characterized in that: an air hammer jar (18) is installed on the outer wall of the lower tower cone (3).