CN-224207401-U - Spray drying device

CN224207401UCN 224207401 UCN224207401 UCN 224207401UCN-224207401-U

Abstract

The utility model discloses a spray drying device which comprises a wet material tank and a drying tower, wherein the wet material tank is communicated with the drying tower through a wet material conveying pipe, a pneumatic stirring mechanism, an exhaust pipe and an air inlet pipe are arranged on the wet material tank, the pneumatic stirring mechanism comprises a driving mechanism and a stirring rod, the spray drying device further comprises a gas compression pump and a heater, the gas compression pump is communicated with the heater through a pipeline, a power air pipe is further arranged on the gas compression pump, the power air pipe is communicated with the pneumatic stirring mechanism, the heater is communicated with the drying tower through a drying air pipe, a heating air pipe is further arranged on the drying air pipe, and the heating air pipe is communicated with the air inlet pipe. The utility model utilizes the original compressed gas and heating gas of the equipment, does not need to increase a motor and heating equipment, can stir and heat the wet materials in the wet material tank, fully utilizes the existing heat source and reduces the investment of the equipment.

Inventors

JIANG ZHONGXIN
JIANG HAIQUAN
QIU ZHONGLIANG
WANG XIAOPING
WANG KAI
GU LONG
ZHU XIAOCHUN
YAN YEHONG
LIU MINXUE

Assignees

江苏先导干燥科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250527

Claims (9)

1. The spray drying device comprises a wet material tank (3) and a drying tower (4), wherein the wet material tank (3) and the drying tower (4) are communicated through a wet material conveying pipe (33), and the spray drying device is characterized in that a pneumatic stirring device (31), an exhaust pipe (35) and an air inlet pipe (36) are arranged on the wet material tank (3), the pneumatic stirring device (31) comprises a driving mechanism (311) and a stirring rod (313), the spray drying device (100) further comprises a gas compression pump (1) and a heater (2), the gas compression pump (1) is communicated with the heater (2) through a pipeline, a power air pipe (12) is further arranged on the gas compression pump (1), the power air pipe (12) is communicated with the pneumatic stirring device (31), the heater (2) is communicated with the drying tower (4) through a drying air pipe (22), and a heating air pipe (24) is further arranged on the drying air pipe (22) and is communicated with the air inlet pipe (36).
2. The spray drying device according to claim 1, wherein the air inlet pipe (36) is arranged on the wall of the wet material tank (3) close to the end, and a plurality of air outlet holes are formed near the end.
3. The spray drying device according to claim 2, wherein the spray drying device (100) further comprises a cyclone (5), a first tail gas pipe (43) is arranged on the side wall of the drying tower (4), and the first tail gas pipe (43) is communicated with the drying tower (4) and the cyclone (5).
4. Spray drying device according to claim 2, characterized in that the bottom of the drying tower (4) is provided with a first solids receiving pipe (42), the first solids receiving pipe (42) being in communication with the finishing tank (6).
5. Spray drying device according to claim 2, characterized in that the stirring rod (313) is provided with several sets of stirring paddles (314).
6. The spray drying device according to claim 2, characterized in that the power air pipe (12) is provided with a first valve (11), the drying air pipe (22) is provided with a second valve (21), the heating air pipe (24) is provided with a third valve (23), the first valve (11) is opened when the wet material tank (3) needs to be stirred, and the third valve (23) is opened when the wet material tank (3) needs to be heated.
7. A spray drying device according to claim 3, wherein a second tail gas pipe (52) is arranged at the top of the cyclone separator (5), and a tail gas purifier (7) is connected to the second tail gas pipe (52).
8. A spray drying apparatus according to claim 3, wherein the cyclone (5) is provided with a second solids receiving pipe (51) at the bottom, the second solids receiving pipe (51) being in communication with the first solids receiving pipe (42).
9. Spray drying device according to claim 2, characterized in that the wet material conveying pipe (33) is provided with a material conveying pump (32), the drying tower (4) is provided with a sprayer (41), the sprayer (41) is provided with a sprayer air pipe (34), and wet materials are dispersed and granulated in the sprayer (41).

Description

Spray drying device Technical Field The utility model relates to the field of drying equipment, in particular to a spray drying device. Background The spray drier is a device capable of simultaneously completing drying and granulating, the pressure, flow and hole size of a feed liquid pump can be regulated according to the process requirements to obtain spherical particles with a certain size proportion, the spray drier is a continuous normal pressure drier, liquid materials are sprayed into mist by special equipment to be contacted with hot gas to be dried, and the spray drier is a common granulating device at present, although the current spray drier can also meet the basic use requirements, when the feed liquid is heterogeneous liquid or turbid liquid, materials in a feed liquid tank can be layered, and when the environment temperature is lower, the materials are hardened together due to low temperature. Disclosure of utility model In view of the above, the present utility model provides a spray drying apparatus to solve the above-mentioned problems. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a spray drying device, includes wet material jar and drying tower, wet material jar and drying tower pass through wet material conveyer pipe intercommunication, be equipped with pneumatic stirring, blast pipe and intake pipe on the wet material jar, pneumatic stirring includes actuating mechanism and puddler, spray drying device still includes gas compression pump and heater, gas compression pump passes through pipeline and heater intercommunication, still be equipped with the power trachea on the gas compression pump, power trachea and pneumatic stirring intercommunication, the heater passes through drying trachea and drying tower intercommunication, still be equipped with the heating trachea on the drying trachea, heating trachea and intake pipe intercommunication. Further, the air inlet pipe is arranged on the tank wall close to the wet tank, and a plurality of air outlet holes are formed in the position close to the tail end. Further, the spray drying device further comprises a cyclone separator, a first tail gas pipe is arranged on the side wall of the drying tower, and the drying tower is communicated with the cyclone separator through the first tail gas pipe. Further, a first solid receiving pipe is arranged at the bottom of the drying tower and is communicated with the finished product tank. Further, a plurality of groups of stirring paddles are arranged on the stirring rod. Further, a first valve is arranged on the power air pipe, a second valve is arranged on the drying air pipe, a third valve is arranged on the heating air pipe, when the wet material tank needs to be stirred, the first valve is opened, and when the wet material tank needs to be heated, the third valve is opened. Further, a second tail gas pipe is arranged at the top of the cyclone separator, and a tail gas purifier is connected to the second tail gas pipe. Further, a second solid receiving pipe is arranged at the bottom of the cyclone separator, and the second solid receiving pipe is communicated with the first solid receiving pipe. Further, a material conveying pump is arranged on the wet material conveying pipe, a sprayer is arranged on the drying tower, a sprayer air pipe is arranged on the sprayer, and wet materials are dispersed and granulated in the sprayer. Further, the opening is downward, and an included angle between the opening and the side wall is 30-60 degrees. The beneficial effects of the utility model are as follows: The utility model provides a spray drying device, which comprises a wet material tank and a drying tower, wherein the wet material tank is communicated with the drying tower through a wet material conveying pipe, the wet material tank is provided with a pneumatic stirring device, an exhaust pipe and an air inlet pipe, the pneumatic stirring device comprises a driving mechanism and a stirring rod, the spray drying device also comprises a gas compression pump and a heater, the gas compression pump is communicated with the heater through a pipeline, the gas compression pump is also provided with a pipeline and is communicated with the pneumatic stirring device, the heater is communicated with the drying tower through a drying air pipe, and the drying air pipe is also provided with a heating air pipe communicated with the air inlet pipe. Drawings The utility model is further described below with reference to the drawings and examples. FIG. 1 is a schematic diagram of an energy-efficient spray drying apparatus according to the present utility model; FIG. 2 is a schematic view of a pneumatic stirring three-dimensional structure in the spray drying device shown in FIG. 1; 100 parts of spray drying device, 1 part of gas compression pump, 11 parts of first valve, 12 parts of power gas pipe, 2 parts of heater, 21 parts of second valve, 22 parts of drying gas