CN205649867U - A precision spray dryer - Google Patents

Abstract

The utility model relates to a precise spray dryer, which comprises a drying tower, an atomizer, a diffusion mechanism, a spraying pipeline, a cyclone separator, a storage box and a bag-type 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 atomizer is connected with the liquid storage tank through a liquid inlet pipe, a feeding pump is arranged on the liquid inlet pipe, the diffusion mechanism is arranged at the outlet of the flow guide chamber, the jet pipeline is arranged in the upper tower body, one end of the injection pipeline is connected with an air inlet system, the cyclone separator is connected with the bottom of the lower cone, the storage box is arranged at the bottom of the discharge port of the cyclone separator, and the bag-type dust collector is connected to the gas outlet of the cyclone separator through a gas outlet pipe. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Description

A precision spray dryer

technical field

The utility model relates to a drying machine, in particular to a precision spray drying machine.

Background technique

Spray dryers are widely used in chemical fields such as dyes, pesticides, and ceramics. For drying high-viscosity heat-sensitive materials such as K30 and oligosaccharides, traditional spray drying equipment cannot be used for continuous production. The material is very sensitive to the humidity in the air, and it is easy to absorb moisture and affect the quality of the product; in terms of exhaust emissions, most of the current equipment is directly discharged to the outside, which not only wastes a lot of energy, but also does not meet the national emission reduction regulations. Energy-saving standards. Traditional equipment has great defects in these aspects.

Contents of the invention

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

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,

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

Injection pipeline, described injection pipeline is arranged in upper tower body, and the top of described injection pipeline is connected with four rotating nozzles, and one end of described injection pipeline is connected with air intake system, and the other end of described injection pipeline is connected with connected to the cleaning system,

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

A storage box, the storage box is arranged at the bottom of the outlet of the cyclone separator,

The bag filter is connected to the air outlet of the cyclone separator through the air outlet pipe.

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 output shaft end of the motor, and the rotating vane is located at the outlet of the guide chamber.

Still further: the air intake system includes a blower, a steam heater, a first solenoid valve and an air intake pipeline, one end of the air intake pipeline communicates with the injection pipeline, and the air blower, a steam heater and the first Solenoid valves are installed on the intake pipe in turn.

Still further: the cleaning system includes a water tank, a first liquid inlet pipe, a first liquid suction pump and a second solenoid valve, the water tank communicates with the injection pipe through the first liquid inlet pipe, and the first pumping pump The liquid pump and the second solenoid valve are sequentially installed on the first liquid inlet pipeline.

Still further: the water tank is connected to the material storage tank through the second liquid inlet pipe, and the second liquid suction pump is installed on the second liquid inlet pipe.

Still further: the water tank is provided with a partition plate, the interior space of the water tank is divided into left and right parts by the partition plate, there is a gap between the upper end of the partition plate and the top of the water tank, The lower end of the dividing plate is in contact with the bottom of the water tank, the first liquid inlet pipe extends into the bottom of the water tank on the right side of the dividing plate, and the second liquid inlet pipe is connected to the left side of the dividing plate. in the side tank.

Still further: the liquid storage tank includes an outer tank body, an inner tank body and a rotating motor, the inner tank body is arranged in the outer tank body, the rotating motor body is installed on the top of the outer tank body, the inner tank body and the The shaft ends of the rotary motors are connected, the bottom of the inner tank body is provided with a liquid outlet, and a third electromagnetic valve is arranged at the liquid outlet, and the inner tank body is connected to the outer tank body through the liquid outlet. The atomizer is connected to the bottom of the outer tank through a liquid inlet pipe.

Still further: both sides of the inner tank body are respectively provided with a vertical track, and a filter plate is also arranged in the inner tank body, and the two ends of the filter plate are respectively connected to two sides by a lifting trolley. on a vertical track.

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 diagram of the structure inside the water tank.

Fig. 3 is a structural schematic diagram of the liquid storage tank.

detailed description

A kind of precise spray drier as shown in Figure 1, comprises drying tower 1, atomizer 9, diffuser mechanism, injection pipeline 16, cyclone separator 13, material storage box 15 and bag filter 14, described drying tower 1 is composed of an upper tower body 2 with a trapezoidal inner chamber 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 6, and the atomizer 9 is installed on the guide In the flow chamber 6, the atomizer 9 is connected to the liquid storage tank through a liquid inlet pipe, a feed pump is installed on the liquid inlet pipe, and the diffusion mechanism is installed at the outlet of the flow diversion chamber 6, The injection pipeline 16 is arranged in the upper tower body 2, and the top of the injection pipeline 16 is connected with four rotating nozzles 17, and one end of the injection pipeline 16 is connected with the air intake system, and the injection pipeline 16 The other end of the cyclone separator is connected to the cleaning system, the cyclone separator 13 is connected to the bottom of the lower tower cone 3, the storage tank 15 is arranged at the bottom of the discharge port of the cyclone separator 13, and the bag filter 14 passes through The air outlet pipe is connected at the air outlet of the cyclone separator 13 . When working, start the feed pump to transport the material into the atomizer 9, use the atomizer 9 to atomize the material and enter the upper tower body 2, and at the same time start the air intake system and use the injection pipe 16 and the rotating nozzle 17 to go up the tower The high-temperature gas is transported in the body 2, and the mist droplets will dry quickly after contacting with the high-temperature gas, and then the cyclone separator 13 is started to separate the solid and gas, so that the solid material automatically falls from the discharge port into the storage box 15 for storage, and the exhaust gas It enters the bag filter 14 through the air outlet pipe for treatment. In this design, while drying the materials, the diffusion mechanism is activated to make the droplets fill the entire upper tower more quickly, increasing the contact area between the droplets and the high-temperature gas, and improving the drying efficiency. After drying, close the air intake system, open the cleaning system and utilize the injection pipeline 16 and the rotating spray nozzle 17 to flush the upper tower body 2 and the lower tower cone 3, so as to be convenient to use next time.

The diffusion mechanism shown in Figure 1 includes a motor 10 and a rotating blade 11, the motor 10 is installed in the guide chamber 6, the rotating blade 11 is sleeved on the shaft end of the motor 10, and the rotating blade 11 is located at the outlet of the diversion chamber 6 . When the mist droplets need to be diffused, start the motor 10 to make it rotate with the rotating blade 11, and the mist droplets will quickly fill the entire upper tower body 2 under the action of the rotating blade 11, so that the mist droplets can fully contact with the high-temperature gas , played a role in improving the drying efficiency.

The air intake system as shown in Figure 1 comprises air blower 4, steam heater 5, first electromagnetic valve 19 and air intake pipe 18, and one end of described air intake pipe 18 is communicated with injection pipe 16, and described air blower 4 , the steam heater 5 and the first electromagnetic valve 19 are installed on the intake pipe 18 in sequence. When it is necessary to transport high-temperature gas, open the first electromagnetic valve 19, start the blower 4 and the steam heater 5, and make the air enter the upper tower body 2 through the injection pipe 16 and the rotating nozzle 17 after being heated, and the mist droplets will contact with the high-temperature gas. Will dry quickly.

The cleaning system shown in Figure 1 includes a water tank 12, a first liquid inlet pipeline 20, a first liquid suction pump 23 and a second electromagnetic valve 21, and the water tank 12 communicates with the injection pipeline 16 through the first liquid inlet pipeline 20 , the first suction pump 23 and the second electromagnetic valve 21 are sequentially installed on the first liquid inlet pipe 20; the water tank 12 is connected with the storage tank 15 through the second liquid inlet pipe 22, and the first A second liquid suction pump 25 is installed on the second liquid inlet pipe 22 . When cleaning is required, close the first electromagnetic valve 19 and open the second electromagnetic valve 21, start the first liquid suction pump 23 to deliver the water flow in the injection pipeline 16, and use the rotary nozzle 17 to carry out the upper tower body 2 and the lower tower cone 3 Cleaning, after cleaning, start the cyclone separator 13 to transport the cleaned liquid into the storage tank 15, then start the second liquid suction pump 25 to re-transport the liquid into the water tank 12 for recycling.

The water tank 12 shown in Figure 2 is provided with a dividing plate 24, the inner space of the described water tank 12 is divided into left and right two parts by the dividing plate 24, the upper end of the described dividing plate 24 and the top of the water tank 12 There is a gap between them, the lower end of the partition plate 24 is in contact with the bottom of the water tank 12, and the first liquid inlet pipe 20 extends into the bottom of the water tank 12 on the right side of the partition plate 24. The second liquid inlet pipe 22 is connected in the water tank 12 on the left side of the partition plate 24 . The recovered water flow enters the water tank 12 on the left side of the partition plate 24 through the second liquid inlet pipe 22, and undergoes natural settlement. As the water flow continues to enter, the water flow after cleaning will enter through the gap between the partition plate 24 and the water tank 12 In the water tank 12 on the right side of the partition plate 24; the utility model removes impurities from the recovered water flow by adopting the above-mentioned design, so as to facilitate the next use.

The liquid storage tank shown in Figure 3 includes an outer tank body 26, an inner tank body 27 and a rotating motor 30, the inner tank body 27 is arranged in the outer tank body 26, and the rotating motor body 30 is installed in the outer tank body 26 The top of the inner tank body 27 is connected with the shaft end of the rotary motor 30, the bottom of the inner tank body 27 is provided with a liquid outlet, and the third electromagnetic valve 32 is arranged at the liquid outlet, so The inner tank body 27 communicates with the outer tank body 26 through a liquid outlet, and the atomizer 9 is connected to the bottom of the outer tank body 26 through a liquid inlet pipe; There is a vertical track 28, and a filter plate 31 is also arranged in the inner tank body 27, and the two ends of the filter plate 31 are respectively connected on the two vertical tracks 28 by a lifting trolley 29. When working, start the rotating motor 30 to make it rotate with the inner tank body 27, so that the material can be more quickly and fully dissolved in the liquid, then start the lifting trolley 29 and use it to move upward with the filter plate 31, and use the filter plate 31 to remove the liquid from the solution. solid impurities, and then open the third solenoid valve 32 to allow the solution to enter the outer tank 26. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Claims (8)

1. A precision spray dryer, 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 (9), the top of the upper tower (2) is provided with a diversion chamber (6), the atomizer (9) is installed in the diversion chamber (6), the The atomizer (9) is connected to the liquid storage tank through a liquid inlet pipe, and a feed pump is installed on the liquid inlet pipe, Diffusion mechanism, said diffusion mechanism is installed at the outlet of the diversion chamber (6), Injection pipeline (16), described injection pipeline (16) is arranged in the upper tower body (2), and the top of described injection pipeline (16) is connected with four rotating nozzles (17), and described injection pipeline ( One end of 16) is connected with the intake system, and the other end of the injection pipeline (16) is connected with the cleaning system, Cyclone separator (13), described cyclone separator (13) is connected at the bottom of lower tower cone (3), Material storage box (15), described material storage box (15) is arranged on the bottom of cyclone separator (13) outlet, A bag filter (14), the bag filter (14) is connected to the air outlet of the cyclone separator (13) through an air outlet pipe. 2. A precision spray dryer according to claim 1, characterized in that: the diffusion mechanism includes a motor (10) and a rotating blade (11), and the motor (10) is installed in the guide chamber ( 6), the rotating blade (11) is sleeved on the output shaft end of the motor (10), and the rotating blade (11) is located at the outlet of the flow guiding chamber (6). 3. A precision spray dryer according to claim 1, characterized in that: the air intake system includes a blower (4), a steam heater (5), a first electromagnetic valve (19) and an air intake pipe (18), one end of the air inlet pipe (18) is in communication with the injection pipe (16), and the blower (4), the steam heater (5) and the first electromagnetic valve (19) are installed in the air inlet successively. on the air pipe (18). 4. A precision spray dryer according to claim 1, characterized in that: said cleaning system includes a water tank (12), a first liquid inlet pipe (20), a first liquid suction pump (23) and a second Two electromagnetic valves (21), the water tank (12) is communicated with the injection pipeline (16) through the first liquid inlet pipeline (20), and the first liquid suction pump (23) and the second electromagnetic valve (21) are connected to each other. ) are installed on the first liquid inlet pipeline (20) in turn. 5. A precision spray dryer according to claim 4, characterized in that: the water tank (12) is connected to the storage tank (15) through the second liquid inlet pipe (22), and the second A second liquid suction pump (25) is installed on the liquid inlet pipe (22). 6. A precision spray dryer according to claim 5, characterized in that: said water tank (12) is provided with a partition plate (24), and the inner space of said water tank (12) is divided Plate (24) is divided into left and right two parts, and there is gap between the upper end of described dividing plate (24) and the top of water tank (12), the lower end of described dividing plate (24) and water tank (12) ), the first liquid inlet pipe (20) extends into the bottom of the water tank (12) on the right side of the dividing plate (24), and the second liquid inlet pipe (22) is connected to the In the water tank (12) on the left side of the dividing plate (24). 7. A precision spray dryer according to claim 1, characterized in that: said liquid storage tank comprises an outer tank body (26), an inner tank body (27) and a rotating motor (30), said The inner tank body (27) is arranged in the outer tank body (26), and the described rotating motor (30) is installed on the top in the outer tank body (26), and the output of the inner tank body (27) and the rotating motor (30) The shaft ends are connected, and the bottom of the inner tank (27) is provided with a liquid outlet, and a third solenoid valve (32) is arranged at the said outlet, and the inner tank (27) passes through the liquid outlet. The port is in communication with the outer tank (26), and the atomizer (9) is connected to the bottom of the outer tank (26) through a liquid inlet pipe. 8. A precision spray dryer according to claim 1, characterized in that: the two sides of the inner tank (27) are each provided with a vertical rail (28), and the inner tank (27) Also be provided with filter plate (31) in (27), the two ends of described filter plate (31) are respectively connected on two vertical tracks (28) by a lifting trolley (29).