CN212576239U

CN212576239U - Boiling dryer

Info

Publication number: CN212576239U
Application number: CN202021037441.6U
Authority: CN
Inventors: 陈少波; 刘秋莲
Original assignee: Jiangxi Fuzhen Pharmaceutical Co ltd
Current assignee: Jiangxi Fuzhen Pharmaceutical Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-23
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a boiling dryer, which comprises an evaporation device for evaporating solution, a heating device, a stirring device, a condensing device and a liquid recovery barrel, wherein the evaporation device comprises an evaporation barrel, a feeding pipe arranged at the upper end of the evaporation barrel and a discharging pipe arranged at the lower end of the evaporation barrel; the evaporation barrel is of a double-layer structure and comprises an inner wall and an outer wall; the heating device comprises a heater, a liquid injection pipe and a thermistor, wherein the heater is formed by an inner wall and an outer wall and is wound on the inner wall in a heating cavity; the condensing device comprises a blower fixed at the top end of the evaporation barrel, a vent pipe arranged on the blower, a condenser sleeved on the vent pipe, a three-way pipe arranged at one end of the vent pipe far away from the blower and a gas circulating pipe connected to the three-way pipe; the liquid recovery barrel is connected with the three-way pipe.

Description

Boiling dryer

Technical Field

The utility model relates to a fluidized drying technology field especially relates to a fluidized drying machine.

Background

The boiling dryer accelerates liquid evaporation by utilizing air flow to evaporate a large amount of liquid to obtain solid in solution, the solid in the solution is prepared into particles, the hot air is often used for heating air in medicine production, the liquid evaporation is accelerated by blowing hot air, or the liquid is boiled and then the gas is used for accelerating the liquid evaporation, the common liquid is directly heated, so that solute in the liquid is condensed on an instant heater after the liquid is evaporated to cause that the heater is difficult to clean or the liquid is pasted on the heater to cause that medicine changes the property of the medicine; meanwhile, the evaporated liquid still contains certain medicinal components, which causes resource waste.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a boiling dryer to solve the above problems.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of boiling drying-machine, evaporation plant, heating device, agitating unit, condensing equipment and liquid recycling bin including evaporation solution, its characterized in that: the evaporation device comprises an evaporation barrel, a feeding pipe arranged at the upper end of the evaporation barrel and a discharging pipe arranged at the lower end of the evaporation barrel; the evaporation barrel is of a double-layer structure and comprises an inner wall and an outer wall; the heating device comprises a heater, a liquid injection pipe and a thermistor, wherein the heater is formed by an inner wall and an outer wall and is wound on the inner wall in a heating cavity; the condensing device comprises a blower fixed at the top end of the evaporation barrel, a vent pipe arranged on the blower, a condenser sleeved on the vent pipe, a three-way pipe arranged at one end of the vent pipe far away from the blower and a gas circulating pipe connected to the three-way pipe; the liquid recovery barrel is connected with a three-way pipe, and the three-way pipe comprises a middle pipe hermetically connected with a vent pipe, an upper pipe hermetically connected with a gas circulation pipe and a lower pipe hermetically connected with the liquid recovery barrel; and one end of the lower pipe, which is far away from the condenser, is S-shaped.

Furthermore, agitating unit is including setting up in the inside (mixing) shaft of evaporation barrel, being fixed in the epaxial stirring leaf of (mixing) and setting up in evaporation barrel top and being used for driving (mixing) shaft pivoted agitator motor.

Furthermore, the condenser includes the condensation chamber, set up feed liquor pipe and drain pipe that make the coolant liquid circulation in the condensation intracavity on the condensation chamber.

Further, a plurality of vent holes are formed in the evaporation barrel.

Furthermore, a dust filter screen is arranged at one end of the air blower connected with the evaporation barrel.

Furthermore, a control switch for controlling the discharging pipe to be opened and closed is arranged on the discharging pipe.

Further, the evaporation barrel is supported by a support frame arranged below the evaporation barrel.

Furthermore, the outer side of the stirring blade is cut with the barrel wall box on the inner side of the evaporation barrel.

The utility model has the advantages that:

a boiling dryer sets the barrel wall of an evaporation barrel into a double-layer structure, a heating cavity is formed by an inner wall and an outer wall, heating liquid is injected into the heating cavity through a liquid injection pipe, the heating liquid is heated by a heater to heat the solution in the barrel, the heating temperature can be kept constant, and harmful substances generated in the evaporation barrel due to solute being stuck in the evaporation barrel due to overhigh heating temperature can be avoided; the condenser arranged on the vent pipe is utilized, and liquid in the condenser is circulated through the liquid inlet pipe and the liquid outlet pipe, so that the condenser is kept in a low-temperature state, and the condensing efficiency is higher; meanwhile, the upper pipe of the three-way pipe is connected with the circulating pipe to promote gas circulation, so that gas pollution can be effectively avoided, and solvent loss can be reduced; the end of the lower pipe is set to be S, so that the recovered solution forms a U-shaped structure, only liquid can flow out, and gas cannot enter the circulating pipe from the upper pipe to continue circulating.

Drawings

Fig. 1 is a schematic view of the overall structure of a boiling dryer of the present invention;

fig. 2 is a schematic view of the sectional structure of a boiling dryer of the present invention;

fig. 3 is a schematic structural view of a condensing device of a boiling dryer of the present invention.

Reference numbers in the figures:

1. an evaporation device; 11. an evaporation barrel; 111. an inner wall; 112. an outer wall; 113. a support frame; 12. a feed pipe; 13. a discharge pipe; 131. a control switch; 14. a vent hole; 2. a heating device; 21. a heating cavity; 22. a heater; 23. a liquid injection pipe; 24. a thermistor; 3. a stirring device; 31. a stirring shaft; 32. stirring blades; 33. a stirring motor; 4. a condensing unit; 41. a blower; 411. a dust filter screen; 42. a vent pipe; 43. a condenser; 431. a condensation chamber; 432. a liquid inlet pipe; 433. a liquid outlet pipe; 44. a three-way pipe; 441. a middle tube; 442. feeding a pipe; 443. a lower pipe; 45. a gas circulation pipe; 5. and a liquid recovery barrel.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the boiling dryer provided in the present embodiment includes an evaporation device 1 for evaporating a solution, a heating device 2, a stirring device 3, a condensing device 4, and a liquid recycling bin 5, and is characterized in that: the evaporation device 1 comprises an evaporation barrel 11, a feeding pipe 12 arranged at the upper end of the evaporation barrel 11 and a discharging pipe 13 arranged at the lower end of the evaporation barrel 11; the evaporation barrel 11 is of a double-layer structure and comprises an inner wall 111 and an outer wall 112; the heating device 2 comprises a heater 22 which is formed by an inner wall 111 and an outer wall 112 and is wound on the inner wall 111 in a heating cavity 21, an injection pipe 23 which is arranged on the outer wall 112 and is used for injecting heating liquid into the heating cavity 21, and a thermistor 24 for controlling the temperature of the heating liquid; the condensing device 4 comprises a blower 41 fixed at the top end of the evaporation barrel 11, a vent pipe 42 arranged on the blower 41, a condenser 43 sleeved on the vent pipe 42, a three-way pipe 44 arranged at one end of the vent pipe 42 far away from the blower 41 and a gas circulating pipe 45 connected to the three-way pipe 44; the liquid recovery barrel 5 is connected with a three-way pipe 44; the tee 44 comprises a middle pipe 441 connected with the ventilation pipe 42 in a sealing way, an upper pipe 442 connected with the gas circulation pipe 45 in a sealing way and a lower pipe 443 connected with the liquid recovery barrel 5 in a sealing way; the end of the lower pipe 443 remote from the condenser 43 is S-shaped, so that the liquid is collected at the S-bend to block the outlet, so that the liquid can flow out through the gas by using the siphon principle and cannot pass through the gas.

Further, the stirring device 3 comprises a stirring shaft 31 arranged inside the evaporation barrel 11, a stirring blade 32 fixed on the stirring shaft 31, and a stirring motor 33 arranged at the top end of the evaporation barrel 11 and used for driving the stirring shaft 31 to rotate; utilize agitating unit 3 to stir the solution in the evaporation bucket 11, make the solution can be better the heat dissipation can avoid the solute to sink in the barrel head simultaneously.

Further, the condenser 43 includes a condensation chamber 431, and a liquid inlet pipe 432 and a liquid outlet pipe 433 which are disposed on the condensation chamber 431 and circulate the cooling liquid in the condensation chamber 431; the liquid inlet pipe 432 is connected with the water pump, the liquid outlet pipe 433 discharges water, and the liquid in the condensation cavity 431 is always in a low-temperature state by utilizing the liquid inlet pipe 432 and the liquid outlet pipe 433, so that the condensation efficiency is higher.

Further, a plurality of vent holes 14 are arranged on the evaporation barrel 11; the vent holes 14 are arranged on the evaporation barrel 11 to avoid excessive pressure in the barrel during heating.

Furthermore, a dust filter screen 411 is arranged at one end of the blower 41, which is connected with the evaporation barrel 11, so that powder generated in the last evaporation process can not block the blower 41.

Further, a control switch 131 for controlling the on-off of the discharging pipe 13 is arranged on the discharging pipe 13.

Further, the evaporation barrel 11 supports the dried particles more conveniently through the support frame 113 arranged below the evaporation barrel 11.

Further, the outer side of the stirring blade 32 is cut with the inner side of the evaporation barrel 11, so that the solute adhered to the inner side wall of the evaporation barrel 11 can be scraped off in time.

The working principle is as follows:

a boiling dryer adds the mixed liquid medicine into an evaporation barrel 11 through a feed pipe 12, then a heating device 2 is opened, the liquid medicine in the evaporation barrel 11 is heated by a water bath heating mode, a stirring device 3 and a blower 41 are opened after the liquid medicine is heated, the solvent in the liquid medicine is collected in a liquid recovery barrel 5 by the principle that water vapor condenses when encountering cold, and the gas returns to the evaporation barrel 11 through a gas circulation pipe 45; the lower tube 443 of the tee 44 for liquid recovery is arranged S-shaped to allow liquid to exit by siphoning while the outlet can be blocked to prevent gas from passing through the lower tube 443.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a boiling drying-machine, includes evaporation plant (1), heating device (2), agitating unit (3), condensing equipment (4) and liquid recycling bin (5) of evaporation solution, its characterized in that: the evaporation device (1) comprises an evaporation barrel (11), a feeding pipe (12) arranged at the upper end of the evaporation barrel (11) and a discharging pipe (13) arranged at the lower end of the evaporation barrel (11); the evaporation barrel (11) is of a double-layer structure and comprises an inner wall (111) and an outer wall (112); the heating device (2) comprises a heater (22) which is formed by an inner wall (111) and an outer wall (112) and is wound on the inner wall (111) in a heating cavity (21), an injection pipe (23) which is arranged on the outer wall (112) and is used for injecting heating liquid into the heating cavity (21), and a thermistor (24) used for controlling the temperature of the heating liquid; the condensing device (4) comprises a blower (41) fixed at the top end of the evaporation barrel (11), a vent pipe (42) arranged on the blower (41), a condenser (43) sleeved on the vent pipe (42), a three-way pipe (44) arranged at one end of the vent pipe (42) far away from the blower (41) and a gas circulating pipe (45) connected to the three-way pipe (44); the liquid recovery barrel (5) is connected with a three-way pipe (44); the three-way pipe (44) comprises a middle pipe (441) hermetically connected with the vent pipe (42), an upper pipe (442) hermetically connected with the gas circulation pipe (45) and a lower pipe (443) hermetically connected with the liquid recovery barrel (5); the end of the lower pipe (443) away from the condenser (43) is S-shaped.

2. The boiling dryer of claim 1, wherein: the stirring device (3) comprises a stirring shaft (31) arranged inside the evaporation barrel (11), a stirring blade (32) fixed on the stirring shaft (31) and a stirring motor (33) arranged at the top end of the evaporation barrel (11) and used for driving the stirring shaft (31) to rotate.

3. The boiling dryer of claim 1, wherein: the condenser (43) comprises a condensation cavity (431), and a liquid inlet pipe (432) and a liquid outlet pipe (433) which are arranged on the condensation cavity (431) and are used for circulating cooling liquid in the condensation cavity (431).

4. The boiling dryer of claim 1, wherein: the evaporation barrel (11) is provided with a plurality of vent holes (14).

5. The boiling dryer of claim 1, wherein: and a dust filter screen (411) is arranged at one end of the air blower (41) connected with the evaporation barrel (11).

6. The boiling dryer of claim 1, wherein: the discharging pipe (13) is provided with a control switch (131) for controlling the discharging pipe (13) to be opened and closed.

7. The boiling dryer of claim 1, wherein: the evaporation barrel (11) is supported by a support frame (113) arranged below the evaporation barrel (11).

8. A boiling dryer as claimed in claim 2, wherein: the outer side of the stirring blade (32) is cut with the barrel wall box at the inner side of the evaporation barrel (11).