CN202315347U - Centrifugal spray drying system with deduster - Google Patents

Abstract

The utility model discloses a centrifugal spray drying system with a deduster. The system comprises an air purification system, a centrifugal spray dryer, a filtration system and a dedusting system, wherein the centrifugal spray dryer is connected with the air purification system; the filtration system is connected with the centrifugal spray dryer; the dedusting system is connected with the filtration system and comprises an air lift fan, a Venturi tube and a foam deduster; the air lift fan is connected with the filtration system; and the Venturi tube and the foam deduster are connected with the air lift fan in sequence. The system has the advantages of simple structure, low cost, small floor area and high spray efficiency.

Description

The centrifugal atomizing drying system that possesses deduster

Technical field

The utility model relates to drier, specifically is meant the centrifugal atomizing drying system that possesses deduster.

Background technology

Spray-drying is a kind of method that the systematization technology is applied to dry materials.In hothouse with solvent or diluent after atomizing, with the contacting of hot-air in, moisture is vaporized rapidly, promptly obtains dry products.This method can directly make solution, emulsion be dried to powdery or graininess goods, can economize operations such as devaporation, pulverizing.

The spray-drying tool conducts heat fast, and water evaporates is rapid, the characteristics of moment drying time, and quality of item is good, quality is crisp, solubility property might as well, can improve the dissolution rate of some preparation, be applicable to the thermal sensitivity medicine, in addition, spray-drying also can be used for preparing micro-capsule.

The dry method that extensively adopts of dyestuff.The dyestuff atomizing is removed the drying means of moisture.Be applicable to the drying of all kinds of dyestuffs.Can the dried dye fine powder, superfine powder, no dust pulvis and hollow bead agent.Can be divided three classes by the dyestuff atomizing type: (1) air-blast atomization, utilize compressed air or steam to make the feed liquid atomizing; (2) pressure type atomizing extrudes feed liquid at a high speed from nozzle with high-pressure pump, forms vaporific; (3) rotation type atomization, the dish that gets rid of that is added in the atomizer rotation at a high speed with feed liquid (in 7000～20000r/min), throws away feed liquid fast and atomizes.The third method effective, the time is short, and labor productivity is high, and by dyestuff circle is favored, its shortcoming is that equipment investment is big, and energy consumption is higher.

Its shortcoming is: 1. equipment is complicated, and floor space is big, and once investment is big; 2. atomizer, the powder recovering device price is higher; 3. need air capacity many, increase the power consumption of air blast and the capacity of retracting device; 4. the thermal efficiency is not high, and heat loss is big.

For this reason, we are the above-mentioned shortcoming of solution, and research and develop a kind of centrifugal atomizing drying system that possesses deduster that uses centrifugal atomizing.

The utility model content

It is a kind of simple in structure that the purpose of the utility model is to provide, and cost is low, and floor space is little, the centrifugal atomizing drying system that possesses deduster that nebulization efficiency is high.

The implementation of the utility model is following: the centrifugal atomizing drying system that possesses deduster; Comprise air cleaning system; And the centrifugal spray drier that is connected with air cleaning system, and the filtration system that is connected with centrifugal spray drier, and the dust pelletizing system that is connected with filtration system; Said dust pelletizing system comprises Venturi tube, the foam deduster carrying the gas blower fan and connect and carry the gas blower fan successively that is connected in filtration system.

Said centrifugal spray drier comprise feed bin and with go out the hothouse that feed bin is connected; Said hothouse top is provided with air distributor and atomising device; Said atomising device comprises shower nozzle, and said shower nozzle extends into hothouse inside, and said atomising device also comprises charging aperture; Said air distributor is provided with air intlet; Said filtration system is connected with the sidewall that goes out feed bin.

Said atomising device comprises atomizer, and the centrifugal motor that is arranged on the atomizer top, and said charging aperture is provided with on the atomizer, and said shower nozzle is arranged on the outlet of atomizer.

Said hothouse sidewall also offers the auxiliary air import.

Saidly go out feed bin and offer discharging opening away from an end of hothouse.

It is said that to go out feed bin be cone.

Said hothouse is square or cylinder.

Said filtration system comprises and goes out first cyclone separator that the feed bin sidewall is connected and second cyclone separator Huo and the bag hose that is connected with cyclone separator, the said second cyclone separator Huo and bag hose with carry the gas blower fan and be connected.

Said air cleaning system comprise the steam electric heater that is connected with air intlet or with oil burner with gas furnace or and coal furnace; Said steam electric heater or with oil burner with gas furnace or with coal furnace all be connected with air supply motor, said air supply motor also is connected with air cleaning filter.

The design principle of the utility model is.Air gets into from air cleaning filter, and the place is cleaned filtration treatment at air cleaning filter.In addition, under the driving of air supply motor, with cleaned air passes be sent to the steam electric heater or with oil burner with gas furnace or with coal furnace carry out heat treated.After hot-air after will heating charge and discharge air intlet.

Then, liquid material is carried out centrifugal treating through centrifugal motor, and the processing that atomizes, atomized feed produced.Effect through air distributor distributes hot-air, and forms directed eddy flow, makes hot-air and atomized feed in hothouse, carry out contact drying.In the extremely short time can drying be finished product.Finished product powder underspin after the generation is to going out in the feed bin.Simultaneously, finished product is continuously by exporting in the bottom that goes out feed bin and first cyclone separator and the second cyclone separator Huo and the bag hose.

Mixture after the output is purified fully through the processing of carrying gas blower fan and Venturi tube, foam deduster of dust pelletizing system and is discharged.Product is adsorbed and precipitates in the effect lower part of Venturi tube.

The utility model is useful for foodstuff: amino acid, vitamin, flavouring, protein, milk powder, pig blood meal, powdered soy, coffee, tea powder, glucose, potassium sorbate, pectin, essence and flavoring agent, starch based etc.

Ceramic-like: aluminium oxide, zirconia, magnesia, titanium oxide, potter's clay, china clay, various ferrite and metal oxide etc.

Chemical classes: disperse dyes, reactive dye, organic catalyst, white carbon black, yeast, washing powder, potash, potassium phosphate, organic catalyst, various waste liquids etc.

The advantage of the utility model is: simple in structure, cost is low, and floor space is little, and nebulization efficiency is high.

Description of drawings

Fig. 1 is the utility model overall structure sketch map.

Label among the figure is expressed as respectively: 10, go out feed bin; 9, hothouse; 7, air distributor; 8, shower nozzle; 3, air intlet; 4, charging aperture; 6, atomizer; 5, centrifugal motor; 2, auxiliary air import; 1, discharging opening; 11, first cyclone separator; 12, second cyclone separator; 13, bag hose; 14, dust pelletizing system; 33, steam electric heater; 34, oil burner; 35, gas furnace; 36, coal furnace; 32, air supply motor; 32, air supply motor; 31, air cleaning filter.

The specific embodiment

Embodiment one

As shown in Figure 1.

Possess the centrifugal atomizing drying system of deduster, comprise air cleaning system, and the centrifugal spray drier that is connected with air cleaning system, and the filtration system that is connected with centrifugal spray drier, and the dust pelletizing system that is connected with filtration system; Said dust pelletizing system comprises Venturi tube 42, the foam deduster 41 carrying gas blower fan 43 and connect and carry gas blower fan 43 successively that is connected in filtration system.

Centrifugal spray drier comprise feed bin 10 and with go out the hothouse 9 that feed bin 10 is connected; Said hothouse 9 tops are provided with air distributor 7 and atomising device; Said atomising device comprises shower nozzle 8, and said shower nozzle 8 extends into hothouse 9 inside, and said atomising device also comprises charging aperture 4; Said air distributor 7 is provided with air intlet 3; Said filtration system is connected with the sidewall that goes out feed bin 10.

Said atomising device comprises atomizer 6, and the centrifugal motor 5 that is arranged on atomizer 6 tops, and said charging aperture 4 is provided with on the atomizer 6, and said shower nozzle 8 is arranged on the outlet of atomizer 6.

Said hothouse 9 sidewalls also offer auxiliary air import 2.

Saidly go out feed bin 10 and offer discharging opening 1 away from an end of hothouse 9.

Saidly go out feed bin 10 and be cone.

Said hothouse 9 is square or cylinder.

Said filtration system comprises and goes out first cyclone separator 11 that feed bin 10 sidewalls are connected and second cyclone separator, 12 Huo and the bag hose 12 that is connected with cyclone separator 11, said second cyclone separator, 12 Huo and bag hose 12 with carry gas blower fan 43 and be connected.

Said air cleaning system comprise the steam electric heater 33 that is connected with air intlet 3 or with oil burner 34 with gas furnace 35 or with coal furnace 36; Said steam electric heater 33 or with oil burner 34 with gas furnace 35 or with coal furnace 36 all be connected with air supply motor 32, said air supply motor 32 also is connected with air cleaning filter 31.

Air gets into from air cleaning filter 31, and 31 places are cleaned filtration treatment at air cleaning filter.In addition, under the driving of air supply motor 32, with cleaned air passes be sent to steam electric heater 33 or with oil burner 34 with gas furnace 35 or with coal furnace 36 carry out heat treated.After hot-air after will heating charge and discharge air intlet 3.

Then, liquid material is carried out centrifugal treating through centrifugal motor 5, and the processing that atomizes, atomized feed produced.Effect through air distributor 7 distributes hot-air, and forms directed eddy flow, makes hot-air and atomized feed in hothouse 9, carry out contact drying.In the extremely short time can drying be finished product.Finished product powder underspin after the generation is to going out 10 li of feed bins.Simultaneously, finished product is continuously by output in the bottom that goes out feed bin 10 and first cyclone separator 11 and second cyclone separator, 12 Huo and the bag hose 13.Mixture after the output is purified fully through the processing of carrying gas blower fan 43 and Venturi tube 42, foam deduster 41 of dust pelletizing system and is discharged.Product is adsorbed and precipitates in the effect lower part of Venturi tube 42.

The utility model is useful for foodstuff: amino acid, vitamin, flavouring, protein, milk powder, pig blood meal, powdered soy, coffee, tea powder, glucose, potassium sorbate, pectin, essence and flavoring agent, starch based etc.

Ceramic-like: aluminium oxide, zirconia, magnesia, titanium oxide, potter's clay, china clay, various ferrite and metal oxide etc.

Chemical classes: disperse dyes, reactive dye, organic catalyst, white carbon black, yeast, washing powder, potash, potassium phosphate, organic catalyst, various waste liquids etc.

As stated, then can well realize the utility model.

Claims (9)

1. the centrifugal atomizing drying system that possesses deduster; It is characterized in that: comprise air cleaning system; And the centrifugal spray drier that is connected with air cleaning system, and the filtration system that is connected with centrifugal spray drier, and the dust pelletizing system that is connected with filtration system; Said dust pelletizing system comprises Venturi tube (42), the foam deduster (41) carrying gas blower fan (43) and connect and carry gas blower fan (43) successively that is connected in filtration system.

2. the centrifugal atomizing drying system that possesses deduster according to claim 1; It is characterized in that: said centrifugal spray drier comprise feed bin (10) and with go out the hothouse (9) that feed bin (10) is connected; Said hothouse (9) top is provided with air distributor (7) and atomising device; Said atomising device comprises shower nozzle (8), and said shower nozzle (8) extends into hothouse (9) inside, and said atomising device also comprises charging aperture (4); Said air distributor (7) is provided with air intlet (3); Said filtration system is connected with the sidewall that goes out feed bin (10).

3. the centrifugal atomizing drying system that possesses deduster according to claim 2; It is characterized in that: said atomising device comprises atomizer (6); And the centrifugal motor (5) that is arranged on atomizer (6) top; Said charging aperture (4) is provided with on the atomizer (6), and said shower nozzle (8) is arranged on the outlet of atomizer (6).

4. the centrifugal atomizing drying system that possesses deduster according to claim 2 is characterized in that: said hothouse (9) sidewall also offers auxiliary air import (2).

5. the centrifugal atomizing drying system that possesses deduster according to claim 2 is characterized in that: saidly go out feed bin (10) and offer discharging opening (1) away from an end of hothouse (9).

6. according to any described centrifugal atomizing drying system that possesses deduster among the claim 2-5, it is characterized in that: said to go out feed bin (10) be cone.

7. according to any described centrifugal atomizing drying system that possesses deduster among the claim 2-5, it is characterized in that: said hothouse (9) is square or cylinder.

8. according to any described centrifugal atomizing drying system that possesses deduster among the claim 2-5; It is characterized in that: said filtration system comprises and goes out first cyclone separator (11) and second cyclone separator (12) Huo that is connected with cyclone separator (11) and the bag hose (12) that feed bin (10) sidewall is connected, said second cyclone separator (12) Huo and bag hose (12) with carry gas blower fan (43) and be connected.

9. according to any described centrifugal atomizing drying system that possesses deduster among the claim 2-5, it is characterized in that: said air cleaning system comprise the steam electric heater (33) that is connected with air intlet (3) or and oil burner (34) or and gas furnace (35) or and coal furnace (36); Said steam electric heater (33) or and oil burner (34) or and gas furnace (35) or and coal furnace (36) all be connected with air supply motor (32), said air supply motor (32) also is connected with air cleaning filter (31).