Centrifugal spray dryer

Abstract

The utility model relates to the technical field of spray drying instruments, in particular to a centrifugal spray drying instrument which comprises a fixing frame, a drying box body is fixedly connected to the top of the fixing frame, an upper cover is arranged on the top of the drying box body, a two-fluid spray mechanism is arranged on the upper cover, and a pressurizing pipe is fixedly connected to the left side of the two-fluid spray mechanism. The center of the bottom of the drying box body is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a cyclone separator, the bottom of the cyclone separator is fixedly connected with a collecting barrel, the top of the cyclone separator is fixedly connected with a communicating pipe, the bottom of the communicating pipe is fixedly connected with a gas-liquid diverter, and the front side of the bottom of the gas-liquid diverter is fixedly connected with a suction pipe. By means of the two-fluid spraying mechanism, liquid materials and heated gas are conveyed to the same position to be sprayed out, the distance between the gas and atomized material liquid is shortened, full contact of the gas and the atomized material liquid is facilitated, and drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of spray drying instrument, specifically relates to a centrifugal spray drying instrument. BACKGROUND

[0002] The spray drying instrument is a kind of equipment for converting liquid material into powder or granular solid product.It sprays liquid raw material into fine droplets, and makes these droplets contact with hot air, so that water or other solvents are evaporated quickly, leaving dry product, and this technology is widely used in food, pharmaceutical, chemical and other industries.

[0003] The existing spray drying instrument is usually used to dry the material liquid by pipeline through the delivery pump to the atomizing nozzle, and then atomizes in the drying box, and hot air is delivered to the drying box by another pipeline, and the atomized material liquid is dried by hot air, the distance between the material liquid and the hot air is far, the heat loss is more, the drying efficiency is reduced, and after the material liquid is dried, more waste gas is produced, the waste gas contains water and harmful gas, and direct emission can cause harm to the environment. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned problems and provides a centrifugal spray drying instrument with simple structure and reasonable design.

[0005] The utility model realizes the above-mentioned purposes by the following technical schemes:

[0006] A centrifugal spray drying instrument, including fixed frame, the fixed frame top is fixedly connected with drying box body, and the drying box body top is provided with upper cover, and the upper cover is provided with two-fluid spray mechanism, and the two-fluid spray mechanism left side is fixedly connected with pressurizing pipe, and the drying box body bottom center is fixedly connected with connecting pipe, and the connecting pipe one end is fixedly connected with cyclone separator, and the cyclone separator bottom is fixedly connected with collecting barrel, and the cyclone separator top is fixedly connected with communicating pipe, and the communicating pipe bottom is fixedly connected with gas-liquid flow divider, and the gas-liquid flow divider bottom front side is fixedly connected with suction pipe, and the suction pipe one end is fixedly connected with suction fan, and the suction fan output is fixedly connected with exhaust pipe, and the exhaust pipe rear end is fixedly connected with waste gas adsorption mechanism.

[0007] The waste gas adsorption mechanism includes the processing box fixedly connected to the rear end of the exhaust pipe, and the processing box is communicated with the inside of the exhaust pipe, and the inside of the processing box is sequentially fixedly connected from front to back with filter screen, activated carbon layer and lime layer, and the rear side center of the processing box is fixedly connected with exhaust nozzle.

[0008] Preferably, the left top of the fixing frame is fixedly connected with a second mounting plate, the left bottom of the fixing frame is fixedly connected with a first mounting plate, the bottom of the pressurizing pipe is fixedly connected with an air inlet filter, the air inlet filter is fixedly connected with the second mounting plate, and the bottom of the air inlet filter is fixedly connected with an electric heating box through a pipeline.

[0009] Preferably, the bottom rear side of the gas-liquid separator is fixedly connected with a liquid discharge pipe, the cyclone separator, the gas-liquid separator and the electric heating box are all fixedly connected with the first mounting plate.

[0010] Preferably, the top left corner of the top of the second mounting plate is hingedly connected with a fixed arm, and the bottom of the fixed arm is fixedly connected with a control box.

[0011] Preferably, the front middle of the fixing frame is hingedly connected with a cleaning door, and the middle of the cleaning door is fixedly provided with an observation window.

[0012] Preferably, the two-fluid spray mechanism comprises a mounting cylinder penetrating through the top center of the upper cover, the mounting cylinder is in communication with the inside of the pressurizing pipe, the top center of the mounting cylinder is fixedly connected with a feeding pipe, the bottom of the feeding pipe is rotatably connected with an atomizing nozzle, the middle of the atomizing nozzle is fixedly sleeved with a driven spur gear, the inner wall of the mounting cylinder is fixedly connected with a servo motor, and the top of the output end of the servo motor is fixedly sleeved with a driving spur gear meshing with the driven spur gear.

[0013] Preferably, the bottom of the atomizing nozzle is rotatably sleeved with a fixed block, the outer wall of the fixed block is fixedly connected with the bottom of the inner wall of the mounting cylinder, and a plurality of air holes are uniformly formed in the fixed block.

[0014] Preferably, the front side of the fixing frame is provided with a mounting frame, the top right side of the mounting frame is fixedly connected with a peristaltic pump, the top left side of the mounting frame is provided with a liquid tank, the input end of the peristaltic pump is arranged in the inside of the liquid tank through a pipeline, and the output end of the peristaltic pump is fixedly connected with the feeding pipe through a pipeline.

[0015] The utility model discloses a two-fluid spray mechanism is arranged, and liquid material and heated gas are delivered to the same position and sprayed, the distance of gas and atomized liquid is shortened, the full contact of both is favorable, the drying efficiency is improved, and the atomization effect is improved through the rotation of atomizing nozzle driven by servo motor, centrifugal atomization drying is realized, and the drying efficiency is further improved.

[0016] 1. The utility model discloses a two-fluid spray mechanism is arranged, and liquid material and heated gas are delivered to the same position and sprayed, the distance of gas and atomized liquid is shortened, the full contact of both is favorable, the drying efficiency is improved, and the atomization effect is improved through the rotation of atomizing nozzle driven by servo motor, centrifugal atomization drying is realized, and the drying efficiency is further improved.

[0017] 2. The utility model discloses a waste gas adsorption mechanism is filtered through the filter screen, is adsorbed through activated carbon and is adsorbed and filtered through lime layer, realizes the harmless treatment of waste gas, avoids the pollution to the environment caused by directly discharging waste gas. ACCURACY OF DRAWINGS

[0018] Figure 1 is the overall structure perspective view of the utility model;

[0019] Figure 2 is the overall structure side view of the utility model;

[0020] Figure 3 is the two-fluid spray mechanism and the pressurizing pipe front view sectional view of the utility model;

[0021] Figure 4 is the waste gas adsorption mechanism and the exhaust pipe front view sectional view of the utility model.

[0022] In the figure: 1, fixed frame; 2, clean door; 3, drying box body; 4, upper cover; 5, two-fluid spray mechanism; 51, feed pipe; 52, atomizing nozzle; 53, driven spur gear; 54, fixed block; 55, air hole; 56, servo motor; 57, driving spur gear; 58, mounting cylinder; 6, pressurizing pipe; 7, waste gas adsorption mechanism; 71, filter screen; 72, activated carbon layer; 73, lime layer; 74, exhaust nozzle; 75, treatment box; 8, air inlet filter; 9, gas-liquid flow divider; 10, control box; 11, electric heating box; 12, air inlet pipe; 13, liquid discharge pipe; 14, exhaust pipe; 15, suction pipe; 16, suction fan; 17, collection bucket; 18, cyclone separator; 19, liquid tank; 20, mounting frame; 21, peristaltic pump; 22, connecting pipe; 23, No. 1 mounting plate; 24, No. 2 mounting plate; 25, communication pipe; 26, fixed arm. DETAILED DESCRIPTION

[0023] The following further describes the present application in conjunction with the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the scope of protection of the present application, and the skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0024] EMBODIMENT

[0025] Please refer to Figure 1 and Figure 2The utility model provides a centrifugal type spray dryer, including fixed frame 1, the top fixed connection of fixed frame 1 is connected with drying box 3, is provided with upper cover 4 on the top of drying box 3, is provided with two fluid spray mechanism 5 on upper cover 4, two fluid spray mechanism 5 left side fixed connection has pressurizing pipe 6, drying box 3 bottom center fixed connection has connecting pipe 22, one end of connecting pipe 22 fixed connection has cyclone 18, cyclone 18 bottom fixed connection has collection bucket 17, cyclone 18 top fixed connection has communication pipe 25, communication pipe 25 bottom fixed connection has gas-liquid flow divider 9, gas-liquid flow divider 9 bottom front side fixed connection has suction pipe 15, one end of suction pipe 15 fixed connection has suction fan 16, and the output of suction fan 16 is fixedly connected with exhaust pipe 14, and the rear end of exhaust pipe 14 is fixedly connected with waste gas adsorption mechanism 7.

[0026] The utility model uses, through two fluid spray mechanism 5 realizes the centrifugal atomization of heated gas and liquid, realizes the separation of gas and dry material through cyclone 18, and the waste gas is treated by waste gas adsorption mechanism 7.

[0027] Please refer to Figure 1 And Figure 2 Fixed frame 1 left side top fixed connection has second mounting plate 24, and fixed frame 1 left side bottom fixed connection has first mounting plate 23, pressurizing pipe 6 bottom fixed connection has air inlet filter 8, and air inlet filter 8 is fixedly connected on second mounting plate 24, and air inlet filter 8 bottom is fixedly connected with electric heating box 11 through pipeline, and electric heating box 11 bottom fixed connection has air inlet pipe 12, and gas-liquid flow divider 9 bottom rear side fixed connection has liquid discharge pipe 13, and cyclone 18, gas-liquid flow divider 9 and electric heating box 11 are all fixedly connected on first mounting plate 23, and second mounting plate 24 top left side top corner position is hinged with fixed arm 26, and fixed arm 26 bottom fixed connection has control box 10, and fixed frame 1 front side middle part is hinged with cleaning door 2, and cleaning door 2 middle part is fixedly installed with observation window.

[0028] When using, the air in drying box 3 is filtered through air inlet filter 8, the entry of dust and impurities is avoided, and the purity of dry material is improved, electric heating box 11 is used to heat the air in drying box 3, gas-liquid flow divider 9 is used to separate the liquid in dry waste gas, fixed arm 26 is used to fix control box 10, cleaning door 2 is used to open drying box 3 regularly and clean, and observation window is used to observe the inside situation of drying box 3.

[0029] Please refer to Figure 1 And Figure 3The two-fluid spray mechanism 5 comprises a mounting cylinder 58 fixed through the center of the top of the cover 4, and the mounting cylinder 58 is in communication with the inside of the pressurizing pipe 6, the top center of the mounting cylinder 58 is fixedly connected with a feeding pipe 51, the bottom of the feeding pipe 51 is rotatably connected with an atomizing nozzle 52, the middle of the atomizing nozzle 52 is fixedly sleeved with a driven spur gear 53, the inner wall of the mounting cylinder 58 is fixedly connected with a servo motor 56, the top of the output end of the servo motor 56 is fixedly sleeved with a driving spur gear 57 engaged with the driven spur gear 53, the bottom of the atomizing nozzle 52 is rotatably sleeved with a fixed block 54, the outer wall of the fixed block 54 is fixedly connected with the inner wall of the bottom of the mounting cylinder 58, and a plurality of air holes 55 are uniformly formed in the fixed block 54, and the front side of the fixed frame 1 is provided with a mounting frame 20, the top right side of the mounting frame 20 is fixedly connected with a peristaltic pump 21, and the top left side of the mounting frame 20 is provided with a liquid tank 19, the input end of the peristaltic pump 21 is arranged in the inside of the liquid tank 19 through a pipeline, and the output end of the peristaltic pump 21 is fixedly connected with the feeding pipe 51 through a pipeline.

[0030] In use, first, the liquid to be dried is loaded into the liquid tank 19, and then the suction fan 16 is turned on, the suction fan 16 sucks the inside of the drying box 3, the gas in the drying box 3 enters the cyclone separator 18 from the connecting pipe 22, then enters the gas-liquid separator 9 through the communication pipe 25, and then enters the suction fan 16 through the suction pipe 15, at this time, the inside of the drying box 3 forms a negative pressure vacuum, the outside air enters the electric heating box 11 from the air inlet pipe 12, at this time, the electric heating box 11 heats the air, the heated air enters the pressurizing pipe 6 after being filtered by the air inlet filter 8, then enters the mounting cylinder 58, and then enters the drying box 3 through the air holes 55, preheats the inside of the drying box 3, after preheating, the peristaltic pump 21 is started, the peristaltic pump 21 delivers the liquid to the feeding pipe 51 and then enters the atomizing nozzle 52, atomizes and sprays out by using the atomizing nozzle 52, at the same time, the servo motor 56 is started, the servo motor 56 drives the driving spur gear 57 to rotate, then synchronously drives the driven spur gear 53 and the atomizing nozzle 52 thereon to rotate, realizes the centrifugal atomization and spraying out of the atomizing nozzle 52, at this time, the hot air sprayed out of the air holes 55 dries the atomized material, the dried material enters the cyclone separator 18 through the connecting pipe 22, the cyclone separator 18 separates, the solid enters the collection tank 17 for collection and storage, the gas enters the gas-liquid separator 9 through the communication pipe 25, the gas-liquid separator 9 separates, the liquid is condensed and discharged through the liquid discharge pipe 13, the gas enters the suction fan 16 through the suction pipe 15, and then enters the exhaust pipe 14, and then enters the waste gas adsorption mechanism 7.

[0031] Please refer to Figure 1 and Figure 4The exhaust gas adsorption mechanism 7 comprises a treatment box 75 fixedly connected to the rear end of the exhaust pipe 14, the treatment box 75 is in communication with the inside of the exhaust pipe 14, and the inside of the treatment box 75 is sequentially fixedly connected with a filter screen 71, an activated carbon layer 72 and a lime layer 73 from front to back, and the rear side of the treatment box 75 is fixedly connected with an exhaust nozzle 74.

[0032] The exhaust gas enters the treatment box 75 through the exhaust pipe 14, and then is sequentially filtered by the filter screen 71, the activated carbon layer 72 and the lime layer 73, so that dust, impurities and harmful substances in the exhaust gas are effectively removed, the gas after filtration and adsorption is discharged through the exhaust nozzle 74, and harmless emission of the gas is realized.

[0033] It should be noted that the centrifugal spray dryer is used, the material liquid to be dried is added to the material liquid barrel 19, at this time, the suction fan 16 and the electric heating box 11 are started, the air heated by the electric heating box 11 is blown into the drying box body 3 to preheat the inside of the drying box body 3, then the peristaltic pump 21 is started, the peristaltic pump 21 delivers the material liquid to the two-fluid spray mechanism 5 to be atomized and sprayed out, and the material liquid and the heated air are sprayed out at the same time, the drying effect is improved, the servo motor 56 drives the atomizing nozzle 52 to rotate, centrifugal atomization is realized, the drying effect is improved, the dried material is sucked into the cyclone separator 18 to be separated, the solid material enters the collecting barrel 17 to be collected and stored, and the gas enters the exhaust gas adsorption mechanism 7 to be adsorbed and treated and then discharged harmlessly.

[0034] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A centrifugal spray dryer comprising a fixed frame (1), characterized in that: The fixed frame (1) top fixedly connected with drying box (3), drying box (3) top is provided with upper cover (4), upper cover (4) is provided with two fluid spray mechanism (5), two fluid spray mechanism (5) left side fixedly connected with pressurizing pipe (6), drying box (3) bottom center fixedly connected with connecting pipe (22), connecting pipe (22) one end fixedly connected with cyclone separator (18), cyclone separator (18) bottom fixedly connected with collecting barrel (17), cyclone separator (18) top fixedly connected with communication pipe (25), communication pipe (25) bottom fixedly connected with gas-liquid flow divider (9), gas-liquid flow divider (9) bottom front side fixedly connected with suction pipe (15), suction pipe (15) one end fixedly connected with suction fan (16), suction fan (16) output end fixedly connected with exhaust pipe (14), exhaust pipe (14) rear end fixedly connected with waste gas adsorption mechanism (7); The waste gas adsorption mechanism (7) includes a treatment box (75) fixedly connected to the rear end of the exhaust pipe (14), the treatment box (75) is in communication with the inside of the exhaust pipe (14), and the inside of the treatment box (75) is sequentially fixedly connected with a filter screen (71), an activated carbon layer (72) and a lime layer (73) from front to back, and the rear side of the treatment box (75) is fixedly connected with an exhaust nozzle (74).

2. A centrifugal spray dryer according to claim 1, characterized in that: The fixed frame (1) left side top is fixedly connected with No. 2 mounting plate (24), and the fixed frame (1) left side bottom is fixedly connected with No. 1 mounting plate (23), the pressurizing pipe (6) bottom is fixedly connected with the air inlet filter (8), the air inlet filter (8) is fixedly connected on the No. 2 mounting plate (24), and the air inlet filter (8) bottom is fixedly connected with the electric heating box (11) through the pipeline, and the electric heating box (11) bottom is fixedly connected with the air inlet pipe (12).

3. A centrifugal spray dryer according to claim 2, wherein: The gas-liquid flow divider (9) bottom rear side is fixedly connected with the liquid discharge pipe (13), the cyclone separator (18), the gas-liquid flow divider (9) and the electric heating box (11) are all fixedly connected on the No. 1 mounting plate (23).

4. A centrifugal spray dryer according to claim 2, wherein: The No. 2 mounting plate (24) top left side top corner position is hinged with a fixed arm (26), and the fixed arm (26) bottom is fixedly connected with a control box (10).

5. A centrifugal spray dryer according to claim 1, wherein: The fixed frame (1) front side middle part is hinged with a cleaning door (2), and the cleaning door (2) middle part is fixedly installed with an observation window.

6. A centrifugal spray dryer according to claim 1, wherein: The two fluid spray mechanism (5) includes a mounting cylinder (58) fixedly penetrating the top center of the upper cover (4), and the mounting cylinder (58) is in communication with the inside of the pressurizing pipe (6), the mounting cylinder (58) top center is fixedly connected with a feed pipe (51), the feed pipe (51) bottom is rotatably connected with an atomizing nozzle (52), the atomizing nozzle (52) middle part is fixedly sleeved with a driven spur gear (53), the mounting cylinder (58) inner wall is fixedly connected with a servo motor (56), and the servo motor (56) output end top is fixedly sleeved with a driving spur gear (57) meshed with the driven spur gear (53).

7. A centrifugal spray dryer according to claim 6, wherein: The atomizing nozzle (52) is rotatably sleeved with a fixed block (54) at the bottom, the outer wall of the fixed block (54) is fixedly connected with the inner wall of the mounting cylinder (58), and a plurality of air holes (55) are uniformly arranged on the fixed block (54).

8. A centrifugal spray dryer according to claim 6, wherein: The front side of the fixing frame (1) is provided with a mounting frame (20), the top right side of the mounting frame (20) is fixedly connected with a peristaltic pump (21), and the top left side of the mounting frame (20) is provided with a liquid tank (19); the input end of the peristaltic pump (21) is arranged in the liquid tank (19) through a pipeline, and the output end of the peristaltic pump (21) is fixedly connected with the feeding pipe (51) through a pipeline.

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