CN210815219U

CN210815219U - Carboxylic styrene-butadiene latex reaction device

Info

Publication number: CN210815219U
Application number: CN201921154324.5U
Authority: CN
Inventors: 张亚安
Original assignee: Shijiazhuang Hongtai Rubber Co ltd
Current assignee: Shijiazhuang Hongtai Rubber Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-23
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a carboxyl butylbenzene latex reaction unit, including batching jar, take heating device's first reation kettle and second reation kettle, the batching jar pass through the passage with first reation kettle connects, still be equipped with nitrogen gas on the first reation kettle lateral wall and let in the pipe, first reation kettle outside top is equipped with the motor, the power take off end of motor is connected with the (mixing) shaft, the (mixing) shaft stretches into in the first reation kettle, second reation kettle bottom is equipped with the discharging pipe, second reation kettle one side still is equipped with the terminator and lets in the pipe, first reation kettle with can dismantle the connection through communicating pipe between the second reation kettle, in be equipped with the valve on communicating pipe. The utility model discloses a through carry out polymerization in two different reation kettle respectively, can effectively reduce the probability that glues the sediment and produce.

Description

Carboxylic styrene-butadiene latex reaction device

Technical Field

The utility model relates to a latex reaction unit technical field especially relates to a carboxy styrene-butadiene latex reaction unit.

Background

The latex is a colloidal emulsion formed by dispersing polymer particles in water, and the carboxylic styrene-butadiene latex is one of the latexes and mainly comprises butadiene and phenylenediene. The carboxylic styrene-butadiene latex has the advantages of higher conjunctival strength and cohesive force, stability, large fluidity, large filling amount, good molding property, good mechanical property, excellent chemical and freeze-thaw stability, good compatibility with pigment and filler and the like, so the carboxylic styrene-butadiene latex is widely applied to the fields of papermaking, carpets, textile, environment-friendly ornaments, architectural decoration industry and the like. Nowadays, the demand for the latex is slowly increased, and the latex is often prepared by using a related batching device, but the quality of the carboxy styrene-butadiene latex prepared by the existing carboxy styrene-butadiene latex preparing device is poor, the generated rubber residue is more, the purity is not high, meanwhile, the traditional latex polymerization reaction is usually carried out in a reaction kettle, and the reaction kettle needs to be heated again after the reaction of the reaction kettle is finished, so that more energy sources can be consumed.

Disclosure of Invention

The utility model provides a carboxyl butylbenzene latex reaction unit, the problem that can solve carboxyl butylbenzene latex glue the sediment many, consumes high problem.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a carboxyl butylbenzene latex reaction unit, includes batching jar, first reation kettle and takes heating device's second reation kettle, the batching jar pass through the passage with first reation kettle connects, still be equipped with nitrogen gas on the first reation kettle lateral wall and let in the pipe, first reation kettle outside top is equipped with the motor, the power take off end of motor is connected with the (mixing) shaft, the (mixing) shaft stretches into in the first reation kettle, second reation kettle bottom is equipped with the discharging pipe, second reation kettle one side still is equipped with the terminator and lets in the pipe, first reation kettle with can dismantle the connection through communicating pipe between the second reation kettle, in be equipped with the valve on communicating pipe.

As a limitation: the communicating pipe comprises an inlet end and an outlet end, a first flange is formed on the edge of the inlet end, a second flange matched with the first flange is formed on the edge of the outlet end, and the first flange and the second flange are fastened through a plurality of screw rods.

As a limitation: the entrance point with exit end department is equipped with the filter screen, the filter screen include circular screen frame with connect in string bag on the screen frame, the diameter of screen frame is greater than the diameter of communicating pipe, and is less than the diameter of first and second flange, the screen frame place in first flange with between the second flange, the string bag passes the entrance point is arranged in the communicating pipe.

As a limitation: the first flange and the second flange are provided with sealing grooves at two opposite end faces, and the net frame is embedded in the sealing grooves and tightly abuts against the sealing grooves.

As a limitation: the screen frame is made of elastic materials.

As a limitation: and gas inlet pipes are arranged at the top of the first reaction kettle and the top of the second reaction kettle.

As a limitation: the carboxylic styrene-butadiene latex reaction device further comprises a hydraulic jack, wherein a base of the jack is arranged on the ground, and a top plate of the jack is abutted to the bottom of the second reaction kettle.

As a limitation: the heating device is an electromagnetic heating coil wound on the outer wall of the first reaction kettle.

As a limitation: the heating device is a steam inlet pipe, and the steam inlet pipe is arranged on the side wall of one side of the first reaction kettle.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses a set up first reation kettle and second reation kettle who takes heating device, make the raw materials pass through the passage by the batching jar and get into first reation kettle in, the main reaction of latex raw materials earlier stage is gone on through the heating in first reation kettle, and it is the raw materials even that is heated through (mixing) shaft stirring raw materials simultaneously. The particle diameter increase and the stable growth process of molecule in later stage need a lower temperature, so flow into the second reation kettle through communicating pipe with the raw materials and carry out the after-reaction, consequently, the jiao gu that produces is less, and the latex quality is better. Moreover, the utility model discloses need not wait for the raw materials and react for a long time in a reation kettle, also need not reheat reation kettle, wait that the raw materials in the first reation kettle just can reinject into new raw materials after flowing into the second reation kettle, consequently also improved work efficiency, reduced the energy consumption.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of an overall structure of a first embodiment of the present invention.

Fig. 2 is a schematic structural view of the sealing groove of the present invention.

Fig. 3 is a schematic structural diagram of the filter screen of the present invention.

Fig. 4 is the structure diagram of the utility model discloses in filter screen embedding seal groove.

FIG. 5 is a schematic view of the overall structure of the second embodiment of the present invention

In the figure: 1-batching tank, 2-first reaction kettle, 3-second reaction kettle, 4-material guide pipe, 5-nitrogen gas inlet pipe, 6-motor, 7-stirring shaft, 8-discharge pipe, 9-terminator inlet pipe, 10-communicating pipe, 101-inlet end, 1011-first flange, 102-outlet end, 1021-second flange, 103-screw, 104-filter screen, 1041-net frame, 1042-net bag, 105-seal groove, 11-gas inlet pipe, 12-jack, 13-electromagnetic heating coil and 14-steam inlet pipe.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Example one

The embodiment relates to a carboxy styrene-butadiene latex reaction device, and fig. 1 shows the overall structure schematic diagram of the embodiment, which includes a batching tank 1, a first reaction kettle 2 with a heating device and a second reaction kettle 3, as shown in fig. 1, the heating device is an electromagnetic heating coil 14, and the electromagnetic heating coil 14 is wound on the outer wall of the first reaction kettle 2, and can provide a heating function for the polymerization reaction of raw materials. Batching jar 1 is connected with first reation kettle 2 through passage 4, is provided with the valve on passage 4, still is equipped with nitrogen gas on the first reation kettle lateral wall and lets in

pipe

5, and 2 outside tops of first reation kettle are equipped with motor 6, and motor 6's power take off end is connected with (mixing) shaft 7, and (mixing) shaft 7 stretches into first reation kettle 2 in, sets up the raw materials that can stir first reation kettle at the epaxial stirring leaf of stirring, makes the raw materials be heated evenly, improves reaction efficiency. Discharging pipe 8 is equipped with in 3 bottoms of second reation kettle, and 3 one sides of second reation kettle still are equipped with the terminator and let in pipe 9, can dismantle through communicating pipe 10 between first reation kettle 2 and the second reation kettle 3 and be connected. This device still includes hydraulic jack 12, and hydraulic jack 12's base is located subaerially, and hydraulic jack 12's top dish is cup jointed in second reation kettle 3's bottom, is used for supporting second reation kettle 3, drives second reation kettle 3 vertical motion from top to bottom through hydraulic jack 12 simultaneously, makes things convenient for first reation kettle 2 and second reation kettle 3's dismantlement.

Referring to fig. 2, 3 and 4, the communication pipe 10 includes an inlet end 101 and an outlet end 102, a valve (not shown in the drawings) is disposed at the outlet end 101, a first flange 1011 is formed at an edge of the inlet end 101, a second flange 1021 matched with the first flange 1011 is formed at an edge of the outlet end 102, the first flange 1011 and the second flange 1021 are fastened by a plurality of screws 103, a filter screen 104 is disposed at the inlet end 101 and the outlet end 102, the filter screen 104 includes a circular net frame 1041 and a net bag 1042 connected to the net frame 1041, a diameter of the net frame 1041 is larger than a diameter of the communication pipe 10 and smaller than diameters of the first flange and the second flange 1021, the net frame 1041 is disposed between the first flange 1011 and the second flange 1021, the net bag 1042 penetrates through the inlet end 101 and is disposed in the communication pipe 10, seal grooves 105 are disposed on two opposite end faces of the first flange 1011 and the second flange 1021, the net frame 1041 is made of an, preferably, rubber and silicon are used, the screen frame 1041 is embedded in the sealing groove 105 and abuts against the sealing groove 105, and the screen frame 1041 is made of an elastic material and embedded in the sealing groove 105, so that the sealing performance of the first flange 1011 and the second flange 1021 can be improved.

The embodiment of the utility model provides a working process as follows:

the raw materials are prepared in the batching tank 1, then the raw materials are guided into the first reaction kettle 2 through the material guide pipe 4, meanwhile, the motor 6 drives the stirring shaft 7 to start stirring the raw materials, and the electromagnetic heating coil 13 is electrified to start heating the first reaction kettle 2. After the raw materials react for a period of time, carry butadiene gas to get into first reation kettle 2 by nitrogen gas through nitrogen gas admission pipe 5 and continue the reaction, when treating pressure in first reation kettle 2 to a mark vertebra atmospheric pressure, open the valve on communicating pipe 10, make the raw materials in first reation kettle 2 flow into second reation kettle 3 through communicating pipe 10, it is preferred, for making the raw materials in first reation kettle 2 more flow into second reation kettle 3 completely, can let in gas by gas admission pipe 11, impress the raw materials in second reation kettle 3. Preferably, a filter 104 is disposed in the communicating tube 10, and the filter 104 can filter the cement residue that has not completely reacted in the first reaction vessel 2. Then the valve on the communicating tube 10 is closed, the raw materials start to continue to react in the second reaction kettle 3, and new raw materials can be introduced into the first reaction kettle 2. Preferably, the raw material is led out through the discharge pipe 8 after the reaction in the second reaction vessel 3 is completed, in order to make the raw material in the second reaction vessel 3 flow out as much as possible, gas is led in through the gas inlet pipe 11 arranged at the top of the second reaction vessel 3, so that the raw material in the second reaction vessel 3 flows out as much as possible, and meanwhile, a filter screen can also be arranged in the discharge pipe 8 to filter out filter residues which are not completely reacted.

Example two

The embodiment relates to a carboxy styrene-butadiene latex reaction device, fig. 5 shows the overall structure schematic diagram of the embodiment, which includes a batching tank 1, a first reaction kettle 2 with a heating device and a second reaction kettle 3 with a steam inlet pipe 14, as shown in fig. 5, other settings of the embodiment are basically the same as those of the embodiment, one difference lies in that in the working process of the embodiment, the heating mode is changed to steam heating from heating by an electromagnetic heating coil 13, and steam is introduced into the first reaction kettle 2 through the steam inlet pipe 14 to heat the raw materials.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides a carboxyl butylbenzene latex reaction unit, includes batching jar (1), takes heating device's first reation kettle (2) and second reation kettle (3), its characterized in that: batching jar (1) through passage (4) with first reation kettle (2) are connected, still be equipped with nitrogen gas on the first reation kettle lateral wall and let in pipe (5), first reation kettle (2) outside top is equipped with motor (6), the power take off end of motor (6) is connected with (mixing) shaft (7), (mixing) shaft (7) stretch into in first reation kettle (2), second reation kettle (3) bottom is equipped with discharging pipe (8), second reation kettle (3) one side still is equipped with the terminator and lets in pipe (9), first reation kettle (2) with can dismantle the connection through communicating pipe (10) between second reation kettle (3), in be equipped with the valve on communicating pipe (10).

2. The carboxylic styrene-butadiene latex reaction device as claimed in claim 1, wherein: the communication pipe (10) comprises an inlet end (101) and an outlet end (102), a first flange (1011) is formed on the edge of the inlet end (101), a second flange (1021) matched with the first flange (1011) is formed on the edge of the outlet end (102), and the first flange (1011) and the second flange (1021) are fastened through a plurality of screws (103).

3. The carboxylic styrene-butadiene latex reaction device as claimed in claim 2, wherein: entrance point (101) with exit end (102) department is equipped with filter screen (104), filter screen (104) include circular net frame (1041) and connect in string bag (1042) on net frame (1041), the diameter of net frame (1041) is greater than the diameter of communicating pipe (10), and is less than the diameter of first flange (1011) and second flange (1021), net frame (1041) place in first flange (1011) with between second flange (1021), string bag (1042) pass entrance point (101) are placed in communicating pipe (10).

4. The carboxylic styrene-butadiene latex reaction device as claimed in claim 3, wherein: the two opposite end faces of the first flange (1011) and the second flange (1021) are provided with a sealing groove (105), and the net frame (1041) is embedded in the sealing groove (105) and tightly abutted against the sealing groove (105).

5. The carboxylated styrene-butadiene latex reaction device as claimed in claim 4, wherein: the net frame (1041) is made of elastic materials.

6. The carboxylic styrene-butadiene latex reaction device as claimed in claim 1, wherein: and gas inlet pipes (11) are arranged at the top of the first reaction kettle and the top of the second reaction kettle.

7. The carboxylic styrene-butadiene latex reaction device as claimed in claim 1, wherein: the carboxylic styrene-butadiene latex reaction device further comprises a hydraulic jack (12), wherein a base of the jack (12) is arranged on the ground, and a top plate of the jack is abutted to the bottom of the second reaction kettle (3).

8. The carboxylated styrene-butadiene latex reaction unit as claimed in any one of claims 1 to 7, wherein: the heating device is an electromagnetic heating coil (13), and the electromagnetic heating coil (13) is wound on the outer wall of the first reaction kettle (2).

9. The carboxylated styrene-butadiene latex reaction unit as claimed in any one of claims 1 to 7, wherein: the heating device is a steam inlet pipe (14), and the steam inlet pipe (14) is arranged on the side wall of one side of the first reaction kettle (2).