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CN-224207402-U - Spray drying equipment with gas-solid separation subassembly

CN224207402UCN 224207402 UCN224207402 UCN 224207402UCN-224207402-U

Abstract

The utility model discloses spray drying equipment with a gas-solid separation component, which comprises a wet material tank, a drying tower and a cyclone separator, wherein the wet material tank is communicated with the drying tower through a wet material conveying pipe, the gas-solid separation component is connected between the drying tower and the cyclone separator and comprises a first tail gas pipe, a material receiving groove arranged at the bottom of the first tail gas pipe and a solid reflux pipe connected with the material receiving groove, the first end of the first tail gas pipe connected with the drying tower is lower than the second end connected with the cyclone separator, a sprayer is arranged on the drying tower, a high-pressure gas pipe is connected onto the sprayer, and the heater is connected with the drying tower through the drying gas pipe. Through setting up gas-solid separation subassembly between drying tower and cyclone, can reduce the solid particle content in the tail gas that gets into cyclone, reduce cyclone's work and accord with, increase separation effect.

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 (10)

  1. 1. The spray drying equipment with the gas-solid separation component is characterized by comprising a wet material tank (3), a drying tower (4) and a cyclone separator (5), wherein the wet material tank (3) and the drying tower (4) are communicated through a wet material conveying pipe (31), a gas-solid separation component (43) is connected between the drying tower (4) and the cyclone separator (5), the gas-solid separation component (43) comprises a first tail gas pipe (431) and a material receiving groove (432) arranged at the bottom of the first tail gas pipe (431), and a solid backflow pipe (433) connected with the material receiving groove (432), the first tail gas pipe (431) is connected with a first end (4313) of the drying tower (4) lower than a second end (4314) connected with the cyclone separator (5), a sprayer (41) is arranged on the drying tower (4), a high-pressure gas pipe (42) is connected on the sprayer (41), and the spray drying equipment (100) further comprises a heater (2), and the first tail gas pipe (431) is connected with the drying tower (21).
  2. 2. The spray drying apparatus with a gas-solid separation module according to claim 1, wherein a spiral fin (4311) is provided in the first tail gas pipe (431).
  3. 3. The spray drying apparatus with gas-solid separation assembly according to claim 1, wherein the bottom of the first tailpipe (431) is provided with an opening (4312).
  4. 4. The spray drying apparatus with a gas-solid separation assembly according to claim 1, wherein a valve (434) is provided on the solids return pipe (433).
  5. 5. The spray drying apparatus with a gas-solid separation assembly according to claim 1, characterized in that the spray drying apparatus (100) further comprises a finishing tank (7) and an exhaust gas purifier (6), the finishing tank (7) is in communication with the bottom of the drying tower (4) through a solids receiving pipe (44), and the exhaust gas purifier (6) is in communication with the top of the cyclone (5) through a second exhaust gas pipe (51).
  6. 6. The spray drying apparatus with a gas-solid separation assembly according to claim 4, wherein the valve (434) comprises a valve body (4341) and a valve plate (4344), a blind plate (4342) is arranged on the valve body (4341), and the blind plate (4342) is semicircular.
  7. 7. The spray drying apparatus with a gas-solid separation assembly according to claim 6, wherein a hinge (4345) is provided on the blind plate (4342), and the valve plate (4344) is movably connected to the blind plate (4342) through the hinge (4345).
  8. 8. The spray drying apparatus with gas-solid separation assembly according to claim 7, wherein a seal (4343) is provided between the valve plate (4344) and the blind plate (4342).
  9. 9. The spray drying apparatus with gas-solid separation assembly according to claim 8, wherein the sealing member (4343) is annular, and is fixed to an inner wall of the valve body (4341) at a portion thereof and to the blind plate (4342) at a portion thereof.
  10. 10. The spray drying apparatus with a gas-solid separation assembly according to claim 6, wherein a counterweight (43441) is provided on the valve plate (4344).

Description

Spray drying equipment with gas-solid separation subassembly Technical Field The utility model relates to the field of drying equipment, in particular to spray drying equipment with a gas-solid separation component. Background The spray drier is a device capable of simultaneously completing drying and granulating, the pressure, flow and hole spraying size of a feed liquid pump can be regulated according to technological requirements to obtain required spherical particles according to a certain size proportion, the spray drier is a continuous normal pressure drier, liquid materials are sprayed into mist by special equipment, and are contacted with hot gas to be dried, and the spray drier is currently common granulating equipment. Disclosure of utility model In view of the above, the present utility model provides a spray drying apparatus having a gas-solid separation assembly 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 equipment with gas-solid separation subassembly, includes wet material jar, drying tower and cyclone, wet material jar and drying tower pass through wet material conveyer pipe intercommunication, be connected with gas-solid separation subassembly between drying tower and the cyclone, gas-solid separation subassembly includes first tail gas pipe and installs in the material receiving groove of first tail gas pipe bottom to and the solid back flow who connects with material receiving groove, first tail gas pipe connection is less than the second end of connecting in the cyclone in the first end of drying tower, be equipped with the atomizer on the drying tower, be connected with the high-pressure air pipe on the atomizer, spray drying equipment still includes the heater, heater and drying tower pass through the dry trachea and connect. Preferably, spiral fins are arranged in the first tail gas pipe. Preferably, an opening is arranged at the bottom of the first tail gas pipe. Preferably, the solid reflux pipe is provided with a valve. Preferably, the spray drying equipment further comprises a finished product tank and a tail gas purifier, wherein the finished product tank is communicated with the bottom of the drying tower through a solid receiving pipe, and the tail gas purifier is communicated with the top of the cyclone separator through a second tail gas pipe. Preferably, the valve comprises a valve body and a valve plate, wherein a blind plate is arranged on the valve body, and the blind plate is semicircular. Preferably, the blind plate is provided with a hinge, and the valve plate is movably connected to the blind plate through the hinge. Preferably, a sealing element is arranged between the valve plate and the blind plate. Preferably, the sealing element is annular, a part of the sealing element is fixed on the inner wall of the valve body, and a part of the sealing element is fixed on the blind plate. Preferably, the valve plate is provided with a balancing weight. The beneficial effects of the utility model are as follows: the utility model provides spray drying equipment with a gas-solid separation component, which comprises a wet material tank, a drying tower and a cyclone separator, wherein the wet material tank is communicated with the drying tower through a wet material conveying pipe, the gas-solid separation component is connected between the drying tower and the cyclone separator and comprises a first tail gas pipe, a material receiving groove arranged at the bottom of the first tail gas pipe and a solid backflow pipe connected with the material receiving groove, the first end of the first tail gas pipe connected with the drying tower is lower than the second end connected with the cyclone separator, a sprayer is arranged on the drying tower, a high-pressure gas pipe is connected onto the sprayer, and the heater is connected with the drying tower through the drying gas pipe. Through setting up the gas-solid separation subassembly between drying tower and cyclone, make solid particle fall back to the drying tower in the tail gas, can reduce the solid particle content in the tail gas that gets into cyclone, reduce cyclone's work and accord with, increase separation effect. Drawings The utility model is further described below with reference to the drawings and examples. FIG. 1 is a schematic perspective view of a spray drying apparatus according to the present utility model; FIG. 2 is a schematic view of the gas-solid separation module of FIG. 1; FIG. 3 is a further schematic view of the gas-solid separation module of FIG. 1; FIG. 4 is a cross-sectional view taken along the line A- -A of FIG. 3; FIG. 5 is a schematic view of the first tail gas pipe of FIG. 2; FIG. 6 is a schematic view of a valve body in some embodiments; FIG. 7 is another schematic view of a valve body; Fig. 8 is a schematic view of a valve body in some embodiments. In the figure, 100 parts of spray