CN207576420U - A kind of falling liquid film melt polycondensation reaction device - Google Patents
A kind of falling liquid film melt polycondensation reaction device Download PDFInfo
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- CN207576420U CN207576420U CN201720981305.4U CN201720981305U CN207576420U CN 207576420 U CN207576420 U CN 207576420U CN 201720981305 U CN201720981305 U CN 201720981305U CN 207576420 U CN207576420 U CN 207576420U
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- liquid film
- falling liquid
- film support
- support tube
- polycondensation reaction
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Abstract
The utility model is related to a kind of falling liquid film melt polycondensation reaction devices.Connection end socket above reactor tower body, lower section connects bottom case, end socket is connected with heating agent room and supplies room, the lower plate of supplies room is material distribution plate, the material falling liquid film support tube for having arranged in rows on distribution plate passes through, and the both sides of falling liquid film support tube are each configured with being located at the cloth fenestra with arranging between adjacent falling liquid film support tube on distribution plate；Falling liquid film support tube is sleeve structure, and with row, the tube spacing of adjacent two falling liquid film support tubes is 4~60mm, a diameter of 4~100mm of falling liquid film support tube；Blender, screw rod and material outlet are equipped in bottom case.This melt polycondensation reaction device can provide larger film forming area, and devolatilization is efficient, and residence time destribution is narrow, suitable for implementing the melt polycondensation reaction of the materials such as polyester.
Description
Technical field
The utility model is related to a kind of melt polycondensation reaction device, the melting contracting of more particularly to a kind of high glutinous material film evaporation device
Poly- reaction unit belongs to polymer manufacturing apparatus technical field.
Background technology
During polycondensation reaction prepares the polymer materials such as polyester, polyamide, melt polycondensation reaction typically occurs in sleeping
In formula stirred reactor, molecular weight of product is difficult to further carry after the melt polycondensation of material reaches certain phase in this kind equipment
Side reactions, the residence time destributions such as thermal oxidative degradation occur for height, the easy uneven heating of material wide；And this kind of occupation area of equipment is big,
Cost of investment is high, and the operation of equipment needs to consume powerful external power, and device yield is also limited.
In recent years, melt polycondensation prepares high glutinous material and also has using extratubal falling film formula melt polycondensation reaction device, but material exists
Cloth film uniformity outside pipe is generally difficult to ensure, thus the uniformity of the melt polycondensation reaction of material is difficult to reality on falling liquid film support element
It is existing, harmful effect thus is caused to homogeneity of product etc., it is urgent to provide a kind of material film forming mobile performances and reaction process
Match and high-efficiency falling film melt polycondensation reaction device that Flow of Goods and Materials state and residence time are controlled.
Utility model content
The purpose of the utility model is to overcome the deficiencies of the prior art, provide a kind of falling liquid film melt polycondensation reaction device,
Smart structural design can make material reaction temperature uniform, and form a film good flowing properties, and film forming area is big, and devolatilization is efficient, finally obtains
High-quality polymerization product is obtained, for this purpose, proposing following technical scheme；
A kind of falling liquid film melt polycondensation reaction device, the end socket being connected including tower body, with tower body upper end and is connected with tower body lower end
Bottom case, end socket includes the first heating agent room, the second heating agent room and supplies room, has reactor heating agent entry/exit mouth on the first heating agent room,
There is reactor heating agent in/out mouth on second heating agent room, the lower plate of supplies room is material distribution plate；
There is feed pipe at the top of the end socket, be connected with several diversion pipes below feed pipe, diversion pipe is connected with supplies room；
The falling liquid film support tube for having arranged in rows on the distribution plate passes through, each to drain into rare two；Adjacent two with row
The tube spacing of falling liquid film support tube is 4 ~ 60 mm, a diameter of 4 ~ 100 mm of falling liquid film support tube；
The distribution plate belongs to each falling liquid film support tube, the cloth fenestra belonging to every falling liquid film support tube equipped with cloth fenestra
The falling liquid film support tube is in towards the both sides of the adjacent two falling liquid film support tubes of same row, adheres to the cloth film of adjacent two falling liquid film support tubes separately
Hole does not connect；
The falling liquid film support tube is sleeve structure, and the inner tube of falling liquid film support tube is communicated with the first heating agent room, falling liquid film support tube
Outer tube communicated with the second heating agent room.
Further, the outer tube of falling liquid film support tube is the pipe that one section of pipe or multistage are connected, the pipe that multistage is connected
Diameter becomes smaller from top to bottom.
As further improvement of the utility model, there is lateral supporting wire to connect between the adjacent two falling liquid film support tubes of row
It connects.
As further improvement of the utility model, quantity, size, the shape of the cloth fenestra belonging to every falling liquid film support tube
And its it is completely the same with the relative position of the falling liquid film support tube and other falling liquid film support tubes, but the falling liquid film support of each row's outermost end
Pipe makes an exception, and outside does not set cloth fenestra；Between cloth fenestra inner wall and falling liquid film support pipe outer wall belonging to every falling liquid film support tube
Minimum range be less than 5mm, the cloth fenestra for adhering to adjacent two falling liquid film support tubes separately do not connect.
Further, the cloth fenestra belonging to falling liquid film support tube is tightly attached to falling liquid film support tube wall, adjacent two falling liquid films support
Cloth fenestra belonging to pipe does not connect.
As further improvement of the utility model, the cloth fenestra of every falling liquid film support tube side can be one or more,
When the cloth fenestra of falling liquid film support tube side is one, cloth fenestra is located on the line with the axle center of row's falling liquid film support tube；Falling liquid film branch
When the cloth fenestra of stay tube side is multiple, multiple cloth fenestras are symmetrical with the axial connecting line of same row's falling liquid film support tube.
As further improvement of the utility model, the cloth fenestra on distribution plate belonging to every falling liquid film support tube side is effective
Cross-sectional area is 1 ~ 200 mm2, the effective cross section of cloth fenestra, which is accumulated, to be referred to flow for high viscosity fluid in distribution plate thickness direction
Smallest cross-section area.
In the utility model, the shape of cloth fenestra can be arc-shaped, triangle, polygon etc., and there is no particular restriction；Cloth
Cross-sectional sizes of the fenestra on the film thickness direction of distribution plate can remain unchanged, and such as cylindricality, can also change, such as taper, have no
Especially limitation.
As further improvement of the utility model, tower body right angle setting, the end socket of tower body and upper end is tight by cover flange
Firmware connects, and the bottom case of tower body and lower section is connected by bottom case flange fastener, and tower body upper end is equipped with vacuum outgas mouth, has on tower body
Tower body chuck is respectively equipped with tower body chuck heating agent entrance and the outlet of tower body chuck heating agent on tower body chuck；Bottom case is taper, bottom case
Outside equipped with bottom case chuck, bottom case chuck heating agent entrance and the outlet of bottom case chuck heating agent, bottom case are respectively equipped on bottom case chuck
Equipped with screw rod, bottom case bottom is additionally provided with material outlet for inside.
As further improvement of the utility model, bottom shell is equipped with blender, blender can be paddle, frame,
The structures such as anchor formula, helical-ribbon type, there is no particular restriction.
The utility model is supported by the composite structure of ingehious design cloth fenestra and falling liquid film support tube, fused materials from falling liquid film
After the cloth fenestra outflow of pipe both sides, film evaporation device between stable pipe is formed between the falling liquid film support tube of arranged in rows, it can be effective
Extratubal falling film flowing is avoided to carry out pipe outer surrounding flow phenomenon unevenly distributed during polycondensation reaction, melt is between pipe by both sides
The Bidirectional supporting of falling liquid film support tube, the VELOCITY DISTRIBUTION range of different zones film evaporation device is small, and residence time destribution is narrow；Due to devolatilization
It can be carried out on the two sides of melt films between pipe, compared with previous extratubal falling film, melt polycondensation efficiency higher, and film evaporation device instead
Be controlled on the trapped orbit that adjacent two falling liquid films support tube is formed, the process of melt polycondensation reaction and the variation of physical properties of melt and
The development of film evaporation device matches, and the material entirety residence time is controllable, is easy to get the polymerization product of high quality.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment 1.
Fig. 2 is the structure diagram of the utility model embodiment 2.
Fig. 3 a are the distribution schematic diagram that falling liquid film support tube side is two rectangular cloth fenestras.
Fig. 3 b are the distribution schematic diagram that falling liquid film support tube side is a semicircle cloth fenestra.
Fig. 4 is the cloth fenestra distribution schematic diagram on distribution plate.
Fig. 5 is the extratubal falling film donut seam cloth membrane pore structure schematic diagram of reference examples 1.
Fig. 6 communicates slit cloth membrane pore structure schematic diagram between the pipe of reference examples 2 in falling liquid film.
Reference sign：1- end sockets, the first heating agents of 2- room, the second heating agents of 3- room, 4- supplies rooms, 4A- distribution plates, 4A1-
Cloth fenestra, 5- tower body chucks, 5A- tower body chuck heating agent entry/exit mouths, 5B- tower body chuck heating agent in/out mouths, 6- tower bodies, 7- towers
Body and bottom case connecting flange, 8- bottom case chucks, 8A- bottom case chuck heating agent entry/exit mouths, 8B- bottom case chuck heating agent in/out mouths, 9-
Bottom case, 10- screw rods, 11- material outlets, 12- blenders, 13- falling liquid film support tubes, the outer tube of 13A- falling liquid film support tubes, 13B- drops
The outer tube of film support tube, 14 supporting wires, 15- vacuum outgas mouths, 16- tower bodies and end socket connecting flange, 17 heating agent in/out mouths, 18-
Diversion pipe, 19- heating agent inlet/outlets, 20- feed pipes.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
As shown in Figure 1, falling liquid film melt polycondensation reaction device between the pipe of the utility model, including tower body 6, with 6 upper end phase of tower body
End socket 1 even and the bottom case 9 being connected with tower body lower end, end socket 1 are made of the first heating agent room 2, the second heating agent room 3 and supplies room 4,
There is reactor heating agent entry/exit mouth 17 on first heating agent room 2, there is reactor heating agent in/out mouth 17, supplies room 4 on the second heating agent room
Lower plate be material distribution plate 4A.
There is feed pipe 20 at the top of end socket, 20 lower section of feed pipe is connected with several diversion pipes 18, and diversion pipe 18 passes through the second heat
Matchmaker room 3 is connected with supplies room 4.
The falling liquid film support tube 13 for having arranged in rows on distribution plate 4A passes through, falling liquid film support tube 13 be sleeve structure, falling liquid film branch
The inner tube 13B of stay tube is communicated with the first heating agent room 2, and the outer tube 13A of falling liquid film support tube is communicated with the second heating agent room 3, heat during work
Matchmaker can flow into from the reactor heating agent entrance 19 on the first heating agent room 2, into the inner tube 13B of falling liquid film support tube, then from falling liquid film branch
Gap between the outer tube 13A of stay tube and the inner tube 13B of falling liquid film support tube flows out to the second heating agent room 3, through on the second heating agent room 3
Reactor heating agent outlet 17 be circulated to the external world circular flow be heated or cooled.
13 arranged in rows of falling liquid film support tube, it is each to drain into rare two, between the pipe for arranging adjacent two falling liquid film support tubes 13
Away from（L）For 4 ~ 60 mm, 13 a diameter of 4 ~ 100 mm of falling liquid film support tube.
Distribution plate 4A belongs to each falling liquid film support tube 13 equipped with cloth fenestra 4A1, belonging to every falling liquid film support tube 13
Cloth fenestra 4A1 is in the falling liquid film support tube 13 towards the both sides of the adjacent two falling liquid film support tubes of same row.
Preferably, as shown in Figure 1, the constant pipe of diameter may be used in the outer tube 13A of falling liquid film support tube.
Preferably, as shown in Fig. 2, the outer tube 13A of falling liquid film support tube can also use the pipe that multistage is connected, in falling liquid film
On flow direction, caliber becomes smaller the pipe of segmentation from top to bottom.
Preferably, the quantity of cloth fenestra belonging to every falling liquid film support tube 13, size, shape and its being supported with the falling liquid film
The relative position of pipe and other falling liquid film support tubes are completely the same, but the falling liquid film support tube 13 of each row's outermost end makes an exception, outside
Cloth fenestra 4A1 is not set, as shown in schematic diagram 4；Cloth fenestra 4A1 inner walls and the falling liquid film support tube belonging to every falling liquid film support tube 13
Minimum range between 13 outer walls is less than 5mm, and the cloth fenestra for adhering to adjacent two falling liquid film support tubes separately does not connect；
Preferably, the feed pipe 20 at material from 1 top of end socket flows into, 20 lower section of feed pipe is connected with several equidistant points
The diversion pipe 18 of cloth, the distance that material reaches supplies room 4 through different diversion pipes 18 is consistent, the melt pressure phase of supplies room 4 everywhere
Together；Material is flowed out from the cloth fenestra 4A1 of 13 both sides of falling liquid film support tube, the phase between two adjacent falling liquid film support tubes 13 of same row
Even, it forms film flaky and carries out film evaporation device between pipe downwards.
Further, the pipe that the outer tube 13A of falling liquid film support tube is connected for one section of pipe or multistage, the pipe that multistage is connected
Diameter become smaller from top to bottom.
As further improvement of the utility model, falling liquid film support tube row's falling liquid film support tube adjacent thereto of arranged in rows
Tube wall is more than 20 mm apart from minimum value.
Preferably, having lateral supporting wire 14 to connect between adjacent two falling liquid film support tubes 13 with row, supporting wire 14 is grown
Degree is equal to the tube spacing for arranging adjacent two falling liquid film support tubes 13.
Fig. 3 a and Fig. 3 b be respectively cloth fenestra 4A1 belonging to every falling liquid film support tube 13 on distribution plate 4A geometric layout two
Kind example, however, it is not limited to this, and the shape of cloth fenestra 4A1 can be arc-shaped, triangle, polygon etc., have no special limit
System.
Preferably, as shown in Figure 3a, the cloth fenestra 4A1 belonging to every falling liquid film support tube 13 is in 13 both sides of falling liquid film support tube
Symmetrical, the cloth fenestra 4A1 belonging to every 13 side of falling liquid film support tube is 2, the two cloth fenestras are supported with same row's falling liquid film
The axial connecting line of pipe 13 is symmetrical.
Preferably, as shown in Figure 3b, the cloth fenestra 4A1 belonging to every falling liquid film support tube 13 is in 13 both sides of falling liquid film support tube
Symmetrical, the cloth fenestra 4A1 belonging to every 13 side of falling liquid film support tube is 1, positioned at the axle center of same row's falling liquid film support tube 13
Line on.
Preferably, as shown in Figure 3a and Figure 3b shows, the cloth fenestra 4A1 belonging to falling liquid film support tube 13 is tightly attached to falling liquid film support tube
13 tube walls, the cloth fenestra 4A1 belonging to adjacent two falling liquid film support tubes 13 are not connected.
Preferably, cross-sectional sizes of the cloth fenestra 4A1 on the film thickness direction of distribution plate 4A can remain unchanged, such as column
Shape can also change, such as taper, and there is no particular restriction；Cloth fenestra 4A1 is on distribution plate 4A thickness directions for high viscosity fluid stream
Dynamic smallest cross-section area is accumulated for effective cross section, and the cloth fenestra 4A1 effective cross sections product belonging to 13 side of falling liquid film support tube is 1
~200 mm2,
6 right angle setting of tower body, tower body 6 are connect with the end socket 1 of upper end by cover flange fastener 16, tower body 6 and lower section
Bottom case 9 is connected by bottom case flange fastener 7, and 6 upper end of tower body is equipped with vacuum outgas mouth 15 for removing volatile small molecule chemical combination
Object has tower body chuck 5 on tower body 6, and the top and bottom of tower body chuck 5 are respectively equipped with tower body chuck heating agent entry/exit mouth 5A and tower
Body chuck heating agent in/out mouth 5B.
Preferably, bottom case 9 is taper, the outside of bottom case 9 is equipped with bottom case chuck 8, the top and bottom point of bottom case chuck 8
Not She You bottom case chuck heating agent entry/exit mouth 8A and bottom case chuck heating agent in/out mouth 8B, the inside of bottom case 9 is equipped with blender 12, material
After leaving falling liquid film support tube 13, futher stirred by blender 12 and homogenize reaction, the paddle structure in utility model diagram 1
Blender is only used as a kind of specific embodiment to illustrate, but blender described in the utility model is not limited thereto, and also may be used
With using frame, anchor formula, the isostructural blender of helical-ribbon type.
Preferably, 9 bottom of bottom case is also equipped with screw rod 10 for discharging, material outlet 11 is set on 9 bottom of bottom case, material
Material outlet 11 is delivered to after the stirring of blender 12 homogenizes by screw rod 10 to discharge.
In the following, the utility model is more specifically described by following embodiment.
Embodiment 1
The polyethylene terephthalate for being 1.65 as 0.65 dL/g molecular weight distributing index using intrinsic viscosity（PET）
Melt produces high molecular weight PET for raw material, and melt polycondensation reaction device has arranged in rows as shown in schematic diagram 1 on distribution plate 4A
Falling liquid film support tube 13 passes through, and often row has 5 ~ 7 falling liquid film support tubes 13, the pipe constant for diameter of falling liquid film support tube 13, outer diameter
For 20 mm；With row, the tube spacing of two adjacent falling liquid film support tubes is 20 mm；Every 13 unilateral side of falling liquid film support tube is provided with 1
As shown in schematic diagram 3b, the cross-sectional area that effectively forms a film is 40 mm for round cloth fenestra 4A1, cloth fenestra 4A1 shapes and distribution2；
Cloth fenestra 4A1 on distribution plate 4A belonging to every falling liquid film support tube 13, which is distributed in its left and right sides and is close to its outer wall, symmetrically to be divided
Cloth, 13 outside of falling liquid film support tube at each row both ends is without cloth fenestra 4A1, as shown in schematic diagram 4；Using above-described falling liquid film
Melt polycondensation reaction device carries out PET melt polycondensation reactions, can obtain product property viscosity as 1.07 dL/g, molecular weight distribution refers to
Number is 1.54.
Embodiment 2
Pipe connected for three sections the outer tube 13A of the falling liquid film support tube used in the present embodiment, as shown in schematic diagram 2,
On film evaporation device direction, caliber becomes smaller the pipe of segmentation from top to bottom, and the caliber of three sections of pipes is 26 mm, 20 mm and 16 respectively
Mm, remaining is the same as embodiment 1；PET melt polycondensation reactions are carried out using above-described falling liquid film melt polycondensation reaction device, can be produced
1.09 dL/g of object intrinsic viscosity, molecular weight distributing index 1.52.
Reference examples 1
Use the pipe that falling liquid film support tube 13 is constant for diameter in this reference examples, the not arranged in rows of falling liquid film support tube 13,
Cloth film is carried out using the cloth fenestra 4A1 of donut crack structure, extratubal falling film is formed and flows, belonging to every falling liquid film support tube 13
Cloth fenestra 4A1 effectively forms a film cross-sectional area as 80 mm2, as shown in schematic diagram 5, remaining is adopted cloth fenestra 4A1 structures with embodiment 1
The melt polycondensation reaction of PET is carried out with above-described falling liquid film melt polycondensation reaction device, the intrinsic viscosity for obtaining product is 0.86
DL/g, molecular weight distributing index 1.67.
Reference examples 2
The pipe that falling liquid film support tube 13 is constant for diameter is used in this reference examples, arranged in rows, cloth fenestra 4A1 is using use
The slit film distribution structure communicated between pipe, as shown in schematic diagram 6, with the slit phase arranged between two adjacent falling liquid film support tubes 13
Logical, the area of the cloth fenestra 4A1 of slit shape is 80 mm between each pipe2, material flows out from slit between pipe, remaining with embodiment 1,
The melt polycondensation reaction of PET is carried out using above-described falling liquid film melt polycondensation reaction device, the intrinsic viscosity for obtaining product is
0.94 dL/g, molecular weight distributing index 1.59.
Comparing embodiment and reference examples it is found that for donut sew cloth film extratubal falling film melt polycondensation reaction device for
（Reference examples 1）, the outer melt coating of pipe is incomplete, and the melt films thickness ununiformity of film evaporation device, the melt falling liquid film residence time is shorter, reaction
The promotion of PET intrinsic viscosities is limited afterwards, and molecular weight of product distribution is apparent wider；When using arranged in rows falling liquid film support tube into
During the slit cloth film communicated between row pipe, can only realize falling liquid film between pipe under certain condition, and between pipe the continuity of film evaporation device or
Uniformity is relatively poor, and the product property viscosity for testing acquisition can only be used to prepare ordinary polyester industrial yarn, and product property sticks
Degree is also wider；And the structure of reactor reasonable design of the utility model, falling liquid film support tube and the cloth fenestra distribution on distribution plate are skilful
It is wonderful, the linkage wedging function of cloth film and falling film configuration can be given full play to, smoothly realizes film evaporation device between uniform pipe, is realized efficient
Prepare the High performance industrial silk polyester material of high molecular weight narrow ditribution.
The Comparison of experiment results of 1 embodiment of table and reference examples：
| Project | Falling liquid film support element and cloth film mode | Experimental phenomena | Intrinsic viscosity （dL/g） | Molecular weight Distribution refers to Number |
| Embodiment 1 | Falling liquid film support tube arranged in rows, the falling liquid film support tube pipe constant for diameter, falling liquid film support tube both sides cloth Film, unilateral 40 mm of cloth fenestra effective area2 | Falling liquid film between the pipe of continuous uniform Flowing | 1.07 | 1.54 |
| Embodiment 2 | Falling liquid film support tube arranged in rows, falling liquid film support tube are the pipe that multistage is connected, and caliber becomes smaller from top to bottom, Falling liquid film support tube both sides cloth film, unilateral 40 mm of cloth fenestra effective area2 | Falling liquid film between the pipe of continuous uniform Flowing | 1.09 | 1.52 |
| Reference examples 1 | The falling liquid film support tube pipe constant for diameter, the non-arranged in rows of falling liquid film support tube, donut slit cloth Film, 80 mm of circumferential weld area2 | Extratubal falling film flows, and part is wrapped It covers, film thickness is uneven | 0.85 | 1.68 |
| Reference examples 2 | The falling liquid film support tube of arranged in rows is the constant pipe of diameter, the slit cloth film connected between pipe, slit area 80 mm2 | Film evaporation device between pipe | 0.94 | 1.59 |
Structure feature the foregoing is merely specific embodiment of the utility model, but the utility model is not limited to
This, any those skilled in the art in the field of the utility model, all cover in this practicality newly by the variation or modification made
Among the protection domain of type.
Claims (10)
1. a kind of falling liquid film melt polycondensation reaction device, the end socket (1) and and tower body being connected including tower body (6), with tower body (6) upper end
(6) bottom case (9) that lower end is connected, reactor is equipped with feed pipe (20), material outlet (11) and vacuum outgas mouth (15), special
Sign is：
The end socket (1) includes the first heating agent room (2), the second heating agent room (3) and supplies room (4), has on the first heating agent room (2) anti-
Device heating agent entry/exit mouth (19) is answered, there is reactor heating agent in/out mouth (17), the lower plate of supplies room (4) on the second heating agent room (3)
For material distribution plate (4A)；
The feed pipe (20) connects with supplies room (4)；
The falling liquid film support tube (13) for having arranged in rows on the distribution plate (4A) passes through, each to drain into rare two, adjacent with arranging
The tube spacing (L) of two falling liquid film support tubes (13) is 4~60mm, falling liquid film support tube (13) a diameter of 4~100mm；
The distribution plate (4A) belongs to each falling liquid film support tube (13), every falling liquid film support tube equipped with cloth fenestra (4A1)
(13) the cloth fenestra (4A1) belonging to is in the falling liquid film support tube (13) towards the both sides of the adjacent two falling liquid film support tubes of same row, divides
The cloth fenestra of symbolic animal of the birth year two falling liquid film support tubes of neighbour does not connect；
The falling liquid film support tube (13) is sleeve structure, and the inner tube (13B) of falling liquid film support tube is communicated with the first heating agent room (2), is dropped
The outer tube (13A) of film support tube is communicated with the second heating agent room (3).
2. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：The outer tube of falling liquid film support tube
(13A) is the pipe that one section of pipe or multistage are connected, and the diameter for the pipe that multistage is connected becomes smaller from top to bottom.
3. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：It is supported with adjacent two falling liquid films are arranged
There is lateral supporting wire (14) connection between pipe (13).
4. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：Every falling liquid film support tube (13) institute
Belong to the quantity of cloth fenestra, size, shape and its completely the same with the relative position of the falling liquid film support tube and other falling liquid film support tubes,
But falling liquid film support tube (13) exception of each row's outermost end, outside does not set cloth fenestra (4A1)；Every falling liquid film support tube (13) institute
Minimum range between cloth fenestra (4A1) inner wall of category and falling liquid film support tube (13) outer wall is less than 5mm, adheres to adjacent two drops separately
The cloth fenestra of film support tube does not connect.
5. a kind of falling liquid film melt polycondensation reaction device as claimed in claim 4, it is characterised in that：Belonging to falling liquid film support tube (13)
Cloth fenestra (4A1) is tightly attached to falling liquid film support tube (13) tube wall, and the cloth fenestra (4A1) belonging to adjacent two falling liquid film support tubes (13) is no
Connection.
6. a kind of falling liquid film melt polycondensation reaction device as claimed in claim 4, it is characterised in that：Every falling liquid film support tube (13) one
Cloth fenestra (4A1) belonging to side can be one or more, and the cloth fenestra (4A1) belonging to falling liquid film support tube (13) side is one
When, cloth fenestra (4A1) is on the line in the axle center of same row's falling liquid film support tube (13)；Cloth belonging to falling liquid film support tube (13) side
When fenestra (4A1) is multiple, multiple cloth fenestras (4A1) are symmetrical with the axial connecting line of same row's falling liquid film support tube (13).
7. a kind of falling liquid film melt polycondensation reaction device as described in claim 1 or 4, it is characterised in that：Every falling liquid film support tube
(13) cloth fenestra (4A1) effective cross section product of side is 1~200mm2。
8. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：Tower body (6) right angle setting,
Tower body (6) is connect with the end socket (1) of upper end by flange fastener (16), and the bottom case (9) of tower body (6) and lower section is by flange fastener
(7) connect, tower body (6) upper end is equipped with vacuum outgas mouth (15), there is tower body chuck (5) on tower body (6), tower body chuck (5) it is upper
End and lower end are respectively equipped with tower body chuck heating agent entry/exit mouth (5A) and tower body chuck heating agent in/out mouth (5B).
9. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：The bottom case (9) be taper, bottom
The outside of shell (9) is equipped with bottom case chuck (8), and the top and bottom of bottom case chuck (8) are respectively equipped with bottom case chuck heating agent entry/exit mouth
(8A) and bottom case chuck heating agent in/out mouth (8B), bottom case (9) is internal to be equipped with blender (12).
10. a kind of falling liquid film melt polycondensation reaction device as described in claim 1, it is characterised in that：Bottom case (9) bottom is provided with spiral shell
Bar (10) is for discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720981305.4U CN207576420U (en) | 2017-08-08 | 2017-08-08 | A kind of falling liquid film melt polycondensation reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720981305.4U CN207576420U (en) | 2017-08-08 | 2017-08-08 | A kind of falling liquid film melt polycondensation reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN207576420U true CN207576420U (en) | 2018-07-06 |
Family
ID=62718678
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720981305.4U Withdrawn - After Issue CN207576420U (en) | 2017-08-08 | 2017-08-08 | A kind of falling liquid film melt polycondensation reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207576420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442059A (en) * | 2017-08-08 | 2017-12-08 | 浙江理工大学 | A kind of falling liquid film melt polycondensation reaction device |
-
2017
- 2017-08-08 CN CN201720981305.4U patent/CN207576420U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442059A (en) * | 2017-08-08 | 2017-12-08 | 浙江理工大学 | A kind of falling liquid film melt polycondensation reaction device |
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