CN214764852U

CN214764852U - Diethylene glycol bis allyl carbonate crude product decoloration cauldron

Info

Publication number: CN214764852U
Application number: CN202121004132.3U
Authority: CN
Inventors: 顾本学; 周援明; 顾铭
Original assignee: Hubei Tianli Huajian Engineering Co ltd
Current assignee: Hubei Tianli Huajian Engineering Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-19
Anticipated expiration: 2031-05-08

Abstract

The utility model provides a diethylene glycol bis allyl carbonate coarse product decoloration cauldron, including the cauldron body and set up in the internal agitating unit of cauldron, one side of the cauldron body is equipped with a plurality of steam inlets, and another opposite side is equipped with a plurality of steam outlets, cauldron body top is equipped with gas vent and a plurality of material import, bottom and is equipped with the discharge gate, agitating unit include the motor, with the (mixing) shaft that the output of motor is connected and be fixed in along a plurality of stirring vane of vertical direction interval setting on the (mixing) shaft, encircle cauldron internal wall is equipped with a plurality of baffles that the interval set up. The utility model has the advantages that: the baffle and stirring vane cooperation make the steam that gets into in the cauldron form the vortex, and the baffle has the choked flow effect to steam, prolongs steam dwell time, promotes the homodisperse of decolorant, improves steam heat transfer effect, makes steam fully and raw materials contact, improves the decoloration effect, reduces decolorant quantity and decoloration time simultaneously, practices thrift cost reduction energy consumption.

Description

Diethylene glycol bis allyl carbonate crude product decoloration cauldron

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a diethylene glycol double allyl carbonate coarse product decoloration cauldron.

Background

Diethylene glycol bis allyl carbonate is a polymerization monomer of plastic lens, has higher light transmittance and better physical and mechanical properties, such as light weight, high hardness, higher impact resistance and abrasion resistance, and infrared ray, ultraviolet ray and ray resistance, is widely applied to optical instruments and national defense industry, can well replace optical glass and crystal glass, and can be used for manufacturing various lenses and optical lenses.

In the prior processing process of the diethylene glycol bisallyl carbonate, the raw material needs to be subjected to the crude product decoloration process, the mixing of decolorants in the decoloration process is very important, the dispersion uniformity of the decolorants directly influences the mass transfer and heat transfer effect and the effective contact surface of a solid phase and a liquid phase, so that the aspects of the consumption of the decolorants, the decoloration time, the energy consumption and the like are influenced, a decoloration kettle used in industry is generally of a general kettle structure, the decoloration requirement of the diethylene glycol bisallyl carbonate crude product is difficult to meet, and the purity of the crude product decoloration of the diethylene glycol bisallyl carbonate is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the decoloration problem in the course of working of diethylene glycol double allyl carbonate, the embodiment of the utility model provides a diethylene glycol double allyl carbonate crude product decoloration cauldron.

An embodiment of the utility model provides a diethylene glycol bis-allyl carbonate coarse product decoloration cauldron, including the cauldron body and set up in the internal agitating unit of cauldron, one side of the cauldron body is equipped with a plurality of steam inlets, and another opposite side is equipped with a plurality of steam outlets, cauldron body top is equipped with gas vent and a plurality of material import, bottom and is equipped with the discharge gate, agitating unit include the motor, with the (mixing) shaft that the output of motor is connected and be fixed in along a plurality of stirring vane of vertical direction interval setting on the (mixing) shaft, encircle the internal wall of cauldron is equipped with a plurality of baffles that the interval set up.

Furthermore, the baffle is arranged on the diameter of the kettle body, a gap is formed between the baffle and the inner wall of the kettle body, a plurality of rib plates which are arranged at intervals are arranged on the inner wall of the kettle body along the vertical direction, and the outer side of the baffle is fixedly connected with each rib plate.

Further, all of the steam inlets and the steam outlets are located in a vertical plane, wherein the two baffles are disposed in the vertical plane.

Further, the stirring blade comprises two paddle type blades which are inclined oppositely.

Further, the top of the kettle body is provided with a support, the motor is fixed on the support, the upper end of the stirring shaft is connected with the output end of the motor through a coupler, and the lower end of the stirring shaft is rotatably fixed at the bottom of the kettle body through a bearing.

Further, the cauldron body includes the barrel, reaches upper ellipse head and lower ellipse head that connects both ends about the barrel respectively, all steam inlets and all steam outlet one-to-one symmetry set up, and all set up in the barrel lateral wall with oval head bottom down.

Further, the outer wall of the cauldron body is equipped with a plurality of thermometer interfaces that set up along vertical direction interval.

Further, the top of the kettle body is provided with a plurality of pressure gauge interfaces.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a diethylene glycol double allyl carbonate coarse product decoloration cauldron is applied to the coarse product decoloration in the diethylene glycol double allyl carbonate course of working, baffle and stirring vane cooperation around the internal wall of cauldron make and get into the internal steam formation vortex of cauldron, the baffle has the choked flow effect to steam, extension steam dwell time, promote the homodisperse of decolorant, improve steam heat transfer effect, make steam fully and raw materials contact, improve the decoloration effect, reduce decolorant quantity and decoloration time simultaneously, practice thrift cost reduction energy consumption.

Drawings

FIG. 1 is a front view of a crude product decoloring kettle for diethylene glycol bis-allyl carbonate according to the present invention;

FIG. 2 is a top view of a crude product decoloring kettle for diethylene glycol bis-allyl carbonate according to the present invention;

fig. 3 is a schematic view of the installation of the baffle 15 in fig. 1.

In the figure: 1-cylinder, 2-upper elliptical head, 3-lower elliptical head, 4-stirring shaft, 5-stirring blade, 6-paddle blade, 7-motor, 8-material inlet, 9-discharge port, 10-steam inlet, 11-steam outlet, 12-coupler, 13-support, 14-bearing, 15-baffle, 16-rib plate, 17-exhaust port, 18-pressure gauge interface and 19-thermometer interface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a diethylene glycol bis-allyl carbonate crude product decolorization kettle, which includes a kettle body and a stirring device disposed in the kettle body.

Specifically, the kettle body comprises a cylinder body 1, and an upper elliptical seal head 2 and a lower elliptical seal head 3 which are respectively connected with the upper end and the lower end of the cylinder body, wherein the upper elliptical seal head 2 and the lower elliptical seal head 3 respectively seal the upper end and the lower end of the cylinder body 1.

One side of the kettle body is provided with a plurality of steam inlets 10, and the other opposite side is provided with a plurality of steam outlets 11. All the steam inlets 10 and all the steam outlets 11 are symmetrically arranged one by one and are arranged on the side wall of the cylinder 1 and the bottom of the lower elliptical head 3. The steam inlet 10 and the steam outlet 11 are identical in structure and are composed of flanges and connecting pipes, one end of the inner side of each connecting pipe is communicated with the inside of the kettle body, one end of the outer side of each connecting pipe is connected with the flanges, and the flanges are connected with steam pipelines.

The top of the kettle body is provided with an exhaust port 17 and a plurality of material inlets 8, and the bottom of the kettle body is provided with a discharge port 9. A plurality of the material inlets 8 and the exhaust ports 17 are arranged on the top of the upper elliptical head 2, and in this embodiment, all the material inlets 8 and the exhaust ports 17 are located on substantially the same circumference. Raw materials for processing diethylene glycol bis-allyl carbonate and a decoloring agent methanol aqueous solution respectively enter the kettle body from the material inlets 8.

The stirring device comprises a motor 7, a stirring shaft 4 connected with the output end of the motor 7, and a plurality of stirring blades 5 fixed on the stirring shaft 4 and arranged at intervals along the vertical direction. The kettle body top is equipped with support 13, support 13 is hollow structure, is fixed in the top of last oval head 2 and upwards extends. The motor 7 is vertically fixed on the support 13, the stirring shaft 4 is arranged on the axis of the kettle body, the output end of the motor 7 is downwards arranged and extends into the kettle body, and the upper end of the stirring shaft 4 is connected with the output end of the motor 7 through a coupler 12.

Generally, the height of the kettle body is higher, so that the lower end of the stirring shaft 4 is restrained, and the jumping of the stirring shaft 4 in the rotating process is weakened. The lower end of the stirring shaft 4 extends to the bottom of the lower elliptical seal head 3, a bearing 14 is arranged at the bottom of the lower elliptical seal head 3, the bearing 14 is fixedly connected with the inner wall of the lower elliptical seal head 3 through a bearing support, and the lower end of the stirring shaft 4 is inserted into the bearing 14, so that the lower end of the stirring shaft 4 can rotate. The bottom of the lower elliptical head 3 is also provided with a flange pipe fitting extending downwards, the flange pipe fitting is arranged below the bearing 14, and the flange pipe fitting is used as the discharge hole 9.

The number of the stirring blades 5 is determined according to the height of the kettle body, and is generally at least two, and the stirring blades are arranged in parallel at intervals along the vertical direction. The stirring blade 5 comprises two paddle type blades 6 which are relatively inclined, and the two paddle type blades 6 are respectively fixed on two sides of the stirring shaft 4.

In addition, referring to fig. 1 and 3, a plurality of baffles 15 are arranged around the inner wall of the kettle body at intervals, the number of the baffles 15 is generally set to 4-8, and all the baffles 15 are arranged around the stirring blade 5. The baffle 15 set up in the diameter of the cauldron body, the baffle 15 with there is the clearance between the internal wall of cauldron, be equipped with a plurality of ribbed slab 16 that the interval set up on the internal wall of cauldron along vertical direction, the outside of baffle 15 with each ribbed slab 16 fixed connection. Preferably, all steam inlets 10 and all steam outlets 11 lie in a vertical plane, wherein two of the baffles 15 are arranged in the vertical plane.

In the process of decoloring the crude product of diethylene glycol bis-allyl carbonate, the reaction environment of the kettle body generally needs to be monitored, in this embodiment, a plurality of thermometer ports 19 are arranged on the outer wall of the kettle body at intervals along the vertical direction, and a thermometer may be installed at each of the thermometer ports 19 to measure the temperature at different heights in the kettle body. The top of the kettle body is provided with a plurality of pressure gauge interfaces 18, the pressure gauge interfaces 18 are used for installing pressure gauges and monitoring the pressure in the kettle body.

Above-mentioned diethylene glycol bis allyl carbonate crude product decoloration cauldron, agitating unit is right internal raw materials of cauldron, decolorant and steam stir, baffle 15 around the internal wall of cauldron with stirring vane 5 cooperates, makes the internal steam that gets into the cauldron form the vortex, and baffle 15 has the choked flow effect to steam, extension steam dwell time, improves steam heat transfer effect, promotes the homodisperse of decolorant simultaneously, and the decolorant fully contacts with crude product, improves decoloration effect, reduces decolorant quantity and decoloration time simultaneously, practices thrift cost reduction energy consumption.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A diethylene glycol bis allyl carbonate crude product decoloration cauldron which characterized in that: including the cauldron body and set up in the internal agitating unit of cauldron, one side of the cauldron body is equipped with a plurality of steam inlets, and another opposite side is equipped with a plurality of steam outlet, cauldron body top is equipped with gas vent and a plurality of material import, bottom and is equipped with the discharge gate, agitating unit include the motor, with the (mixing) shaft that the output of motor is connected and be fixed in along a plurality of stirring vane that vertical direction interval set up on the (mixing) shaft, encircle the internal wall of cauldron is equipped with a plurality of baffles that the interval set up.

2. The kettle of claim 1, wherein the kettle comprises: the baffle sets up in on the diameter of the cauldron body, the baffle with have the clearance between the internal wall of cauldron, be equipped with a plurality of intervals's gusset on the internal wall of cauldron along vertical direction, the outside and each of baffle gusset fixed connection.

3. The kettle of claim 1, wherein the kettle comprises: all the steam inlets and the steam outlets are located in a vertical plane, wherein the two baffles are arranged in the vertical plane.

4. The kettle of claim 1, wherein the kettle comprises: the stirring blade comprises two paddle type blades which are inclined oppositely.

5. The kettle of claim 1, wherein the kettle comprises: the kettle body top is equipped with the support, the motor is fixed in on the support, the (mixing) shaft upper end pass through the shaft coupling with the output of motor is connected, the lower extreme passes through the rotatable being fixed in of bearing cauldron body bottom.

6. The kettle of claim 1, wherein the kettle comprises: the kettle body comprises a cylinder body, and an upper elliptical sealing head and a lower elliptical sealing head which are respectively connected with the upper end and the lower end of the cylinder body, wherein all steam inlets and all steam outlets are symmetrically arranged one by one and are arranged on the side wall of the cylinder body and at the bottom of the lower elliptical sealing head.

7. The kettle of claim 1, wherein the kettle comprises: the outer wall of the kettle body is provided with a plurality of thermometer interfaces which are arranged at intervals along the vertical direction.

8. The kettle of claim 1, wherein the kettle comprises: the top of the kettle body is provided with a plurality of pressure gauge interfaces.