CN210057407U - A high-speed centrifugal spray dryer - Google Patents

Abstract

The utility model discloses a high-speed centrifugal spray dryer, which comprises a tower body, the tower body is connected with an air filtration heating device, the upper end of the tower body is provided with a feeding pipe, and the end of the feeding pipe away from the tower body is communicated with There is a material tank, and a discharge port is opened at the bottom of the tower body; the tower body is connected with an air outlet pipe, and the end of the air outlet pipe away from the tower body is connected with a dust removal device, and the dust removal device includes a first cyclone separator, The first cyclone separator is communicated with a second cyclone separator, and the second cyclone separator is communicated with a secondary dust removal assembly at a place away from the first cyclone separator. The utility model has the effect of being able to purify the air.

Description

A high-speed centrifugal spray dryer

technical field

The utility model relates to the technical field of spray dryers, in particular to a high-speed centrifugal spray dryer.

Background technique

High-speed centrifugal spray dryer is a kind of drying processing equipment that processes biological, pharmaceutical, food and other fluid materials into powder materials through atomization heating. It mainly uses different atomizers to separate solutions, emulsions and suspensions. Or the paste material containing moisture is sprayed into fine droplets in the hot air in the drying tower. During the falling process of the droplets, the moisture is evaporated into powder or granular products.

The existing Chinese patent with publication number CN109248460A discloses a high-speed centrifugal spray dryer with uniform spraying, which includes a high-speed centrifugal spray dryer, and an atomizer is fixedly connected to the left side of the top of the high-speed centrifugal spray dryer, The top of the atomizer is connected with a feeding hopper, the left side of the high-speed centrifugal spray dryer is connected with an air inlet pipe, the right side of the high-speed centrifugal spray dryer is fixedly connected with a suction pump, and the suction pump is A hose is communicated with the bottom, and one end of the hose away from the suction pump is communicated with the bottom of the right side of the high-speed centrifugal spray dryer. Although this high-speed centrifugal spray dryer with uniform spray passes through high-speed centrifugal spray dryer, atomizer, feed hopper, intake pipe, suction pump, hose, conveying pipe, connecting plate, nozzle, support plate, bracket, fixing The combination of block, motor, turntable and crank connecting rod mechanism can reciprocately adjust the spraying angle of the nozzle, which better ensures the uniformity of the spray, but the exhaust gas contains a lot of unused dust, which is easy to cause environmental problems. pollution, this problem needs to be solved urgently.

Utility model content

The purpose of this utility model is to provide a high-speed centrifugal spray dryer capable of purifying and then discharging the atomized gas.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A high-speed centrifugal spray dryer, comprising a tower body connected with an air filtration heating device, an upper end of the tower body is provided with a feed pipe, and one end of the feed pipe away from the tower body is connected with a material tank, the tower There is a discharge port at the bottom of the body;

The tower body is connected with an air outlet pipe, and the end of the air outlet pipe away from the tower body is connected with a dust removal device, the dust removal device includes a first cyclone separator, and the first cyclone separator is connected with a second cyclone separator , the second cyclone separator is connected with a secondary dust removal component at a place away from the first cyclone separator.

By adopting the above technical solution, the staff starts the air filtration heating device, and the heated air is passed into the tower body. The discharge port falls out. The air passing through the dust is led out through the air outlet duct, passes through the first cyclone for preliminary separation of dust, and then passes through the second cyclone for secondary separation to further improve the separation rate of dust in the air, and finally passes through the secondary dust removal component Do the final separation.

The utility model is further configured as follows: a first material storage tank is arranged at the lower end of the first cyclone separator, a first material storage butterfly valve is arranged between the first cyclone separator and the first material storage pipe, and the first material storage butterfly valve is arranged between the first cyclone separator and the first material storage pipe. A first discharging butterfly valve is arranged at one end of the storage tank away from the first cyclone separator.

By adopting the above technical solution, the material separated by the first cyclone separator can be stored through the first material storage tank. The staff opens the first material storage butterfly valve, uses the first material storage tank, and closes the first material storage butterfly valve when the first material storage tank does not need to be used. When the first storage tank is almost full, open the first discharge butterfly valve to discharge the material from the first storage tank.

The utility model is further arranged as follows: a second material storage tank is arranged at the lower end of the second cyclone separator, a second material storage butterfly valve is arranged between the second cyclone separator and the second material storage pipe, and the second material storage butterfly valve is arranged between the second cyclone separator and the second material storage pipe. A second discharging butterfly valve is arranged at one end of the storage tank away from the second cyclone separator.

By adopting the above technical solution, the material separated by the second cyclone separator can be stored through the second material storage tank. The staff opens the second storage butterfly valve, uses the second storage tank, and closes the second storage butterfly valve when the second storage tank is not needed. When the second storage tank is almost full, open the second discharge butterfly valve to discharge the material from the second storage tank.

The utility model is further configured as follows: the secondary dust removal component includes a water film dust collector which is communicated with the second cyclone separator, and an induced draft fan is arranged on the water film dust remover.

By adopting the above technical solution, the water film dust collector can further remove the dust in the air, and the air can be drawn out by the induced draft fan, which is convenient to increase the air circulation in the tower.

The utility model is further provided that: the induced draft fan is provided with an induced draft air regulating valve.

By adopting the above technical solution, the air volume of the induced draft fan can be adjusted through the induced draft air regulating valve, thereby controlling the speed of air extraction from the tower body and the speed of separating the two cyclones.

The utility model is further arranged as follows: pneumatic percussion hammers are arranged on both sides of the lower end of the tower body.

By adopting the above technical solutions, the pneumatic percussion hammer can strike both sides of the lower end of the tower body to reduce the accumulation of materials or dust on both sides of the lower end of the tower. .

The utility model is further configured as follows: the air filtering and heating device comprises a heating box, an electric heating pipe is arranged in the heating box, and an air filter screen is arranged in the heating box.

By adopting the above technical solution, the air filter screen can filter the floating dust or tiny particles in the air, improve the quality of the air entering the dryer, and heat the air through the electric heating tube, which is convenient for the hot air to enter the dryer for material processing. drying treatment.

The utility model is further arranged as follows: a cooling fan is arranged on the heating box.

By adopting the above technical solution, the excess heat in the heating box can be dissipated by the cooling fan, which reduces excessive heat accumulation and causes the heating box to be damaged due to excessive temperature, and also improves the ventilation effect of the heating box.

To sum up, the beneficial effects of the present utility model are:

1. The dust removal device is adopted, so as to produce the effect of purifying and discharging the air with dust in the dryer;

2. The secondary dust removal component is adopted, so as to produce the effect of purifying the air again;

3. The air filter heating device is adopted, which can filter the dust in the air and heat the air.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of this embodiment.

In the figure, 1, tower body; 11, feed pipe; 12, material tank; 13, discharge port; 14, air outlet pipe; 15, pneumatic percussion hammer; 2, air filter heating device; 21, heating box; 22, air filter; 23, electric heating pipe; 24, cooling fan; 3, dust removal device; 31, the first cyclone separator; 311, the first storage tank; 312, the first storage butterfly valve; 313, the first Discharge butterfly valve; 32, Second cyclone separator; 321, Second storage tank; 322, Second storage butterfly valve; 323, Second discharge butterfly valve; 4, Secondary dust removal component; 41, Water film dust collector; 42, induced draft fan; 421, induced draft air damper.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to Figure 1, a high-speed centrifugal spray dryer disclosed by the utility model includes a tower body 1 for centrifugal spray drying, and an air filtration heating device 2 is connected to one side of the tower body 1 for adding to the tower. The heated air is provided with a feed pipe 11 at the upper end of the tower body 1 for feeding. The feed pipe 11 is connected to a material tank 12 at one end away from the tower body 1, and an outlet pipe 14 is connected to the tower body 1. After the material is sprayed and formed, it is discharged from the tower body 1 through the discharge port 13 opened at the bottom of the tower body 1 . In order to reduce the accumulation of materials in the tower body 1, pneumatic percussion hammers 15 are provided on both sides of the lower end.

1, the air heating device includes a heating box 21, an electric heating pipe 23 is arranged in the heating box 21, a cooling fan 24 is arranged on the heating box 21, and the air can be heated, and the cooling fan 24 heats the surface of the heating box 21. The heat is dissipated, reducing excessive heat accumulation and causing damage to the heating box 21 . The heating box 21 is provided with an air filter 22 to filter the air.

Referring to FIG. 1 , the end of the air outlet duct 14 away from the tower body 1 is connected with a dust removal device 3 , and the dust removal device 3 includes a first cyclone separator 31 connected to the air outlet duct 14 , and the lower end of the first cyclone separator 31 is connected with a first storage material Tank 311, a first storage butterfly valve 312 is arranged between the first cyclone separator 31 and the first storage pipe, and a first discharge butterfly valve 313 is arranged at one end of the first storage tank 311 away from the first cyclone separator 31, and the gas It is discharged through the air outlet duct 14 and enters the first cyclone separator 31, and the dust and gas are separated through the first cyclone separator 31, and the dust enters the first storage tank 311. When the dust in the first storage tank 311 is sufficient After a long time, open the first discharge butterfly valve 313 to take out the dust in the first storage tank 311 . The first cyclone separator 31 is communicated with a second cyclone separator 32, the lower end of the second cyclone separator 32 is communicated with a second storage tank 321, and a second storage tank is provided between the second cyclone separator 32 and the second storage pipe. The material butterfly valve 322, the second material storage tank 321 is provided with a second material discharge butterfly valve 323 at one end away from the second cyclone separator 32, and the gas is discharged through the air outlet duct 14, enters the second cyclone separator 32, and passes through the second cyclone separator 32. Dust and gas are separated, and the dust enters the second storage tank 321. When there is enough dust in the second storage tank 321, the second discharge butterfly valve 323 is opened to take out the dust in the second storage tank 321.

Referring to FIG. 1 , the second cyclone separator 32 is connected with a secondary dust removal assembly 4 away from the first cyclone separator 31 , and the secondary dust removal assembly 4 includes a water film dust collector 41 communicated with the second cyclone separator 32 , and the water film dust removal unit 4 The device 41 is provided with an induced draft fan 42, and the induced draft fan 42 is provided with an induced draft air regulating valve 421 that can adjust its own air volume. The water film dust collector 41 can further remove the dust in the air, and increase the air flow through the induced draft fan 42. .

The implementation principle of the above embodiment is as follows: the staff filters the air through the air filter 22 in the heating box 21, and heats the air through the electric heating tube 23, and passes the heated air into the tower body 1, and the staff removes the material from the material tank. 12 is put into the tower body 1 through the feeding pipeline 11 for centrifugal spray drying, and the material falls out from the discharge port 13 at the bottom of the tower body 1. The induced draft fan 42 draws out the air in the tower, passes through the first cyclone separator 31 for preliminary separation of dust, and then passes through the second cyclone separator 32 for secondary separation, further improving the separation rate of dust in the air, and the separated dust is divided into two parts. Fall into the first storage tank 311 and the second storage tank 321, and after collecting dust for a period of time, open the first storage tank 311 through the first discharge butterfly valve 313, and open the second storage tank 321 through the second discharge butterfly valve 323 , remove the dust. The air then passes through the water film dust collector 41 for final dust removal.

This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading this specification, but as long as the utility model is used in the present invention All new types of claims are protected by the patent law.

Claims (8)

1. a high-speed centrifugal spray dryer is characterized in that: comprise a tower body (1), the tower body (1) is communicated with an air filtration heating device (2), and the upper end of the tower body (1) is provided with a feed A pipeline (11), one end of the feed pipeline (11) away from the tower body (1) is connected with a material tank (12), and a discharge port (13) is provided at the bottom of the tower body (1); The tower body (1) is communicated with an air outlet duct (14), and an end of the air outlet duct (14) away from the tower body (1) is communicated with a dust removal device (3), and the dust removal device (3) includes a first A cyclone separator (31), the first cyclone separator (31) is communicated with a second cyclone separator (32), and the second cyclone separator (32) is communicated with a place away from the first cyclone separator (31) Secondary dust removal assembly (4). 2. A high-speed centrifugal spray dryer according to claim 1, characterized in that: the lower end of the first cyclone separator (31) is provided with a first material storage tank (311), and the first cyclone separator (31) is provided with a first material storage tank (311). A first material storage butterfly valve (312) is arranged between (31) and the first material storage pipe, and a first material discharge butterfly valve (312) is arranged at one end of the first material storage tank (311) away from the first cyclone separator (31). 313). 3. A high-speed centrifugal spray dryer according to claim 1, characterized in that: the lower end of the second cyclone separator (32) is provided with a second material storage tank (321), and the second cyclone separator (32) is provided with a second storage tank (321). A second material storage butterfly valve (322) is arranged between (32) and the second material storage pipe, and a second material discharge butterfly valve (321) is arranged at one end of the second material storage tank (321) away from the second cyclone separator (32). 323). 4. A high-speed centrifugal spray dryer according to claim 3, characterized in that: the secondary dust removal assembly (4) comprises a water film dust collector (41) communicated with the second cyclone (32), An induced draft fan (42) is arranged on the water film dust collector (41). 5 . The high-speed centrifugal spray dryer according to claim 4 , wherein the induced draft fan ( 42 ) is provided with an induced draft air regulating valve ( 421 ). 6 . 6. A high-speed centrifugal spray dryer according to claim 5, characterized in that: pneumatic percussion hammers (15) are provided on both sides of the lower end of the tower body (1). 7. A high-speed centrifugal spray dryer according to claim 1, characterized in that: the air filtration heating device (2) comprises a heating box (21), and an electric heating pipe is provided in the heating box (21) (23), the heating box (21) is provided with an air filter (22). 8 . The high-speed centrifugal spray dryer according to claim 7 , wherein a cooling fan ( 24 ) is arranged on the heating box ( 21 ). 9 .

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