CN214388914U

CN214388914U - High-efficient desorption device of photoinitiator solvent

Info

Publication number: CN214388914U
Application number: CN202022281564.0U
Authority: CN
Inventors: 杨建宏
Original assignee: Jingmen Meibang Chemical Co ltd
Current assignee: Jingmen Meibang Chemical Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-10-15
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a high-efficiency removal device for photoinitiator solvent, which comprises a solution tank, a heating device, an outlet pipe and a vacuum pump, and further comprises a condensing tank, wherein a rotary drum is arranged in the condensing tank, a condensing pipe is arranged on the rotary drum in an obliquely upward extending manner, a three-way pipe joint is arranged at the bottom of the rotary drum, the outlet pipe is connected with an interface at the side part of the three-way pipe joint, a return pipe is connected on an interface at the bottom end of the three-way pipe joint, and a collecting tank is connected on the return pipe; the top of the solution tank is provided with a driving motor, a transmission mechanism is arranged between the top of the rotary drum and the driving motor, the bottom of the condensing tank is provided with a cooling liquid inlet, and the top of the condensing tank is provided with a cooling liquid outlet. The utility model discloses a high-efficient desorption device of photoinitiator solvent belongs to photoinitiator crystal preparation technical field, and the coolant liquid in the fluid reservoir is big with the area of contact of rotary drum and condenser pipe, and the cooling effect is good, and the condensation efficiency of solvent steam is high.

Description

High-efficient desorption device of photoinitiator solvent

Technical Field

The utility model relates to a photoinitiator crystal preparation technique, more specifically say, it relates to a high-efficient desorption device of photoinitiator solvent.

Background

The photoinitiator is also called photosensitizer and light curing agent, and is a compound which can absorb energy with certain wavelength in an ultraviolet light region (250-420 nm) or a visible light region (400-800 nm) to generate free radicals, cations and the like so as to initiate the polymerization, crosslinking and curing of monomers.

Normally, photoinitiator solvent needs to be heated and condensed to be separated and recovered, but the condensation efficiency of the photoinitiator solvent removing device in the prior art is low when the photoinitiator solvent removing device is used, the recovery efficiency of the solvent is low, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to some not enough of the above-mentioned of prior art, the utility model aims at providing a high-efficient desorption device of photoinitiator solvent that condensation efficiency is high.

In order to achieve the purpose, the utility model provides a high-efficiency photoinitiator solvent removing device, which comprises a solution tank, a heating device, an outlet pipe, a vacuum pump and a condensing tank, wherein a rotary drum is arranged in the condensing tank, a condensing pipe communicated with the inner cavity of the rotary drum is arranged on the rotary drum in an obliquely upward extending manner, a three-way pipe joint is arranged at the bottom of the rotary drum, the outlet pipe is connected with an interface at the side part of the three-way pipe joint, a return pipe is connected on an interface at the bottom end of the three-way pipe joint, and a collecting tank is connected on the return pipe; the top of the solution tank is provided with a driving motor, a transmission mechanism is arranged between the top of the rotary drum and the driving motor, the bottom of the condensing tank is provided with a cooling liquid inlet, and the top of the condensing tank is provided with a cooling liquid outlet.

Further, a spiral blade is arranged in the rotary drum, and first bearing structures matched with the two ends of the spiral blade are arranged at the two ends in the rotary drum.

Furthermore, the interface of the side part of the three-way pipe joint extends obliquely downwards.

Furthermore, two hollow support frames are arranged at two ends in the rotary drum, and positioning holes matched with the first bearing structures are formed in the support frames.

As a further improvement, the return pipe is provided with a U-shaped pipe.

Further, the transmission mechanism is a pulley transmission assembly.

Advantageous effects

Compared with the prior art, the utility model discloses a high-efficient desorption device of photoinitiator solvent's beneficial effect as follows:

1) the device for efficiently removing the solvent of the photoinitiator has the advantages that the contact area of the cooling liquid in the solution tank with the rotary drum and the condensing pipe is large, the cooling effect is good, and the condensing efficiency of the solvent steam is high;

2) the utility model discloses a high-efficient desorption device of photoinitiator solvent, the rotary drum is rotatory to be made the coolant liquid in the solution jar take place to flow, can accelerate thermal diffusion, makes the temperature of the coolant liquid around the rotary drum can not take place too big change, and the coolant liquid can follow the continuous inflow of coolant liquid import moreover, and heat exchange efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of the efficient photoinitiator solvent removal device of the present invention;

fig. 2 is an enlarged schematic view of the structure of the middle support frame of the present invention.

In the figure: 1. a solution tank; 2. a heating device; 3. an air outlet pipe; 4. a vacuum pump; 5. a condensing tank; 6. a rotating drum; 7. a condenser tube; 8. a three-way pipe joint; 9. a return pipe; 10. a collection tank; 11. a drive motor; 12. a transmission mechanism; 13. a coolant inlet; 14. a coolant outlet; 15. a helical blade; 16. a first bearing structure; 17. a support frame; 18. positioning holes; 19. a U-shaped tube; 20. a second bearing structure.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.

The specific embodiment of the present invention is such: referring to fig. 1-2, a high-efficiency photoinitiator solvent removal device comprises a solution tank 1, a heating device 2, an air outlet pipe 3, a vacuum pump 4 and a condensing tank 5, wherein a rotary drum 6 is arranged in the condensing tank 5, a condensing pipe 7 communicated with an inner cavity of the rotary drum 6 is arranged on the rotary drum 6 in an obliquely upward extending manner, a three-way pipe joint 8 is arranged at the bottom of the rotary drum 6, the air outlet pipe 3 is connected with an interface at the side part of the three-way pipe joint 8, a return pipe 9 is connected to an interface at the bottom end of the three-way pipe joint 8, and a collecting tank 10 is connected to the return pipe 9; the top of the solution tank 1 is provided with a driving motor 11, a transmission mechanism 12 is arranged between the top of the rotary drum 6 and the driving motor 11, the bottom of the condensing tank 5 is provided with a cooling liquid inlet 13, and the top of the condensing tank 5 is provided with a cooling liquid outlet 14. The cooling liquid inlet 13 is connected with a cooling water pump and a cooling water tank.

In this high-efficient desorption device of photoinitiator solvent, heating device 2 heats the photoinitiator solvent in solution tank 1, produce solvent steam, solvent steam is extracted in the rotary drum 6 of condensing tank 5 through vacuum pump 4 on the outlet duct 3, solvent steam enters into the rotary drum 6 and the condenser pipe 7 of condensing tank 5, the cryogenic cooling liquid in condensing tank 5 is to the rotary drum 6, the solvent steam in the condenser pipe 7 cools off, solvent steam meets the cold quilt liquefaction, become solvent liquid and then flow to three way pipe joint 8 downwards, flow to collection tank 10 through back flow 9 again and collect. Because the contact area of the cooling liquid in the solution tank 1 with the rotary drum 6 and the condensation pipe 7 is large, the cooling effect is good, and the condensation efficiency of the solvent vapor is high.

Moreover, the rotating drum 6 can be driven by the driving motor 11 and the transmission mechanism 12 to rotate, and the rotating drum 6 rotates to enable the cooling liquid in the solution tank 1 to flow, so that the heat diffusion can be accelerated, the temperature of the cooling liquid around the rotating drum 6 cannot change too much, and the cooling liquid can continuously flow in from the cooling liquid inlet 13.

In this embodiment, be equipped with the helical blade 15 that can rotate in the rotary drum 6, both ends in the rotary drum 6 are equipped with the first bearing structure 16 with the both ends looks adaptation of helical blade 15, and helical blade 15 can lead to solvent steam, makes solvent steam can flow into in the condenser pipe 7, and in addition, helical blade 15 plays the effect that blocks to solvent steam, prevents that the solvent steam of high-speed flow from leading to the fact the impact to rotary drum 6.

When the solvent vapor impacts the spiral blade 15, the spiral blade 15 can rotate, and most of the impact force can be discharged.

In this embodiment, the connection at the side of tee fitting 8 extends obliquely downward to allow solvent vapor to flow upward into bowl 6 without causing significant amounts of solvent vapor to flow downward into collection tank 10.

In this embodiment, two hollow supporting frames 17 are disposed at two ends of the interior of the drum 6, positioning holes 18 adapted to the first bearing structure 16 are disposed on the supporting frames 17, an edge of the supporting frame 17 is a cylindrical structure, and the cylindrical structure is fixed to the wall of the drum 6 by screws.

In this embodiment, the return pipe 9 is provided with a U-shaped pipe 19, and the solvent vapor flows into the U-shaped pipe 19 after being liquefied, so as to form an isolated liquid surface, thereby preventing the solvent vapor from flowing into the collection tank 10.

In the present embodiment, the transmission mechanism 12 is a pulley transmission assembly.

In this embodiment, two second bearing structures 20 are provided at the upper and lower ends of the condensation tank 5, which are adapted to the outer walls of the upper and lower ends of the drum 6.

The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.

Claims

1. A photoinitiator solvent efficient removal device comprises a solution tank (1), a heating device (2), an air outlet pipe (3) and a vacuum pump (4), and is characterized by further comprising a condensation tank (5), wherein a rotary drum (6) is arranged in the condensation tank (5), a condensation pipe (7) communicated with an inner cavity of the rotary drum (6) is arranged on the rotary drum (6) in an obliquely upward extending manner, a tee pipe joint (8) is arranged at the bottom of the rotary drum (6), the air outlet pipe (3) is connected with an interface at the side part of the tee pipe joint (8), a return pipe (9) is connected to an interface at the bottom end of the tee pipe joint (8), and a collection tank (10) is connected to the return pipe (9); the top of the solution tank (1) is provided with a driving motor (11), a transmission mechanism (12) is arranged between the top of the rotary drum (6) and the driving motor (11), the bottom of the condensing tank (5) is provided with a cooling liquid inlet (13), and the top of the condensing tank (5) is provided with a cooling liquid outlet (14).

2. The device for removing the photoinitiator solvent with high efficiency according to claim 1, wherein a spiral blade (15) is arranged in the rotating drum (6), and both ends in the rotating drum (6) are provided with first bearing structures (16) matched with both ends of the spiral blade (15).

3. The device for removing the photoinitiator solvent efficiently as claimed in claim 2, wherein the interface at the side of the tee joint pipe joint (8) extends obliquely downwards.

4. The device for removing the photoinitiator solvent efficiently as claimed in claim 2 or 3, wherein two hollow supporting frames (17) are arranged at two ends in the rotary drum (6), and positioning holes (18) matched with the first bearing structures (16) are arranged on the supporting frames (17).

5. The device for removing the photoinitiator solvent as defined in claim 4, wherein the return pipe (9) is provided with a U-shaped pipe (19).

6. The device for removing the photoinitiator solvent with high efficiency as claimed in claim 4, wherein the transmission mechanism (12) is a pulley transmission assembly.