CN214763485U - Degassing kettle for preparing butyronitrile latex - Google Patents

Abstract

The utility model discloses a degassing kettle for preparing butyronitrile latex, which relates to the field of butyronitrile latex production and comprises a kettle body, a stirring mechanism which is arranged inside the kettle body and used for stirring materials, and a heat exchange mechanism which is arranged in the side wall of the kettle body; rabbling mechanism includes the inner tube of fixed connection on the internal bottom lateral wall of cauldron, fixed mounting has driving motor on the top lateral wall of the cauldron body, driving motor's the terminal fixedly connected with pivot of output shaft, the bottom of pivot runs through the top lateral wall of the cauldron body and inner tube downwards in proper order and extends to the interior bottom of inner tube, fixed mounting has helical blade on the lateral wall of pivot, rotate through motor drive helical blade, upwards carry the thick liquid upper strata with the latex thick liquid at the bottom of the cauldron, drive a plurality of (mixing) shafts simultaneously and constantly stir the thick liquid, the heat transfer that the cooperation pressed from both sides the cover, the realization turns out and stirs the function in order to realize quick degasification with the bottom latex thick liquid circulation at the bottom of the cauldron, can once only carry out degasification to a large amount of latex thick liquid, and the promotion production efficiency.

Description

Degassing kettle for preparing butyronitrile latex

Technical Field

The utility model relates to a butyronitrile latex production field especially relates to a degasification cauldron for preparing butyronitrile latex.

Background

The carboxylated nitrile latex is an anionic high-molecular polymer emulsion. The latex has uniform molecular weight and particle size distribution, oil resistance, solvent resistance, acid and alkali resistance, can be crosslinked with sulfur and metal oxide, and has better stability than natural latex. The product has no anaphylactic reaction to skin, resists sharp object puncture and scratch, and has better definite stretching and drawing force than natural latex products. The product has the characteristics of easy film forming, easy demoulding and the like, is milky in appearance and excellent in elasticity, and is suitable for condoms, lined and linerless thin gloves, other labor protection gloves and the like;

in the production process of butyronitrile latex, need carry out degassing treatment to the latex thick liquid, promote the smooth exquisite outward appearance of latex and stable finished product quality, mostly adopt the degasification cauldron to carry out degassing treatment to the latex thick liquid among the prior art, but if once add too much latex thick liquid to the cauldron among the prior art, easily lead to the unable quick exhaust of cauldron bottom thick liquid, and then influence degasification efficiency, for this we propose a degasification cauldron for preparing butyronitrile latex, solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a degassing kettle for preparing nitrile latex.

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

a degassing kettle for preparing butyronitrile latex comprises a kettle body, a stirring mechanism which is arranged in the kettle body and used for stirring materials, and a heat exchange mechanism which is arranged in the side wall of the kettle body;

the stirring mechanism comprises an inner barrel fixedly connected to the side wall of the bottom in the kettle body, a driving motor is fixedly mounted on the outer side wall of the top end of the kettle body, a rotating shaft is fixedly connected to the tail end of an output shaft of the driving motor, the bottom end of the rotating shaft downwards sequentially penetrates through the side walls of the top end of the kettle body and the top end of the inner barrel and extends to the inner bottom of the inner barrel, a spiral blade is fixedly mounted on the side wall of the rotating shaft and is positioned in the inner barrel, a plurality of stirring shafts are movably connected to the inner side wall of the top end of the kettle body and rotate on the inner side wall of the top end of the kettle body, a plurality of stirring blades are fixedly mounted on the side wall of the stirring shaft, a second gear is fixedly mounted on each side wall of the stirring shaft, a first gear is fixedly mounted on the side wall of the rotating shaft, a plurality of second gears are mutually meshed with the first gear, and a plurality of bottom ports are formed in a penetrating manner on the side wall of the bottom end of the inner barrel, a plurality of top openings are formed in the side wall of the top end of the inner barrel in a penetrating mode.

Preferably, heat transfer mechanism is including setting up the cover that presss from both sides in the lateral wall of the cauldron body, be provided with steam inlet, steam outlet, water-cooling import and water-cooling export on the lateral wall of the cauldron body respectively, water-cooling export and steam inlet all set up on the bottom lateral wall of the cauldron body, still be provided with the feed inlet on the lateral wall of the cauldron body, be provided with the discharge gate on the bottom lateral wall of the cauldron body.

Preferably, the steam inlet, the steam outlet, the water-cooled inlet and the water-cooled outlet are communicated with the inside of the jacket.

Preferably, a vacuum tube is arranged on the side wall of the top end of the kettle body.

The utility model has the advantages that: the utility model discloses in, through the cauldron body, the inner tube, the pivot, helical blade, the cooperation between the (mixing) shaft is used, rotation through the pivot drives helical blade and constantly rotates in the inner tube, can upwards carry the latex thick liquid at the bottom of the cauldron and discharge the upper strata of thick liquid through the inner tube, drive a plurality of (mixing) shafts simultaneously and constantly stir the thick liquid, the heat transfer of cooperation jacket realizes turning over the latex thick liquid circulation at the bottom of the cauldron and stirs in order to realize the function of quick degasification, make the device once only carry out degasification to a large amount of latex thick liquids, promote production efficiency;

through the cooperation use between pivot, first gear and a plurality of (mixing) shaft, rotate the in-process by the pivot and drive a plurality of (mixing) shafts and stir simultaneously to latex thick liquid everywhere in the inside of the cauldron body, make the thick liquid have many convection currents in the cauldron, can effectively promote degasification efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural plan view of the present invention.

Reference numbers in the figures: the device comprises a kettle body 1, an inner barrel 2, a driving motor 3, a rotating shaft 4, a helical blade 5, a stirring shaft 6, a stirring blade 7, a first gear 8, a second gear 9, a bottom opening 10, a top opening 11, a feed inlet 12, a discharge opening 13 and a vacuum tube 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a degassing kettle for preparing butyronitrile latex comprises a kettle body 1, a stirring mechanism arranged in the kettle body 1 and used for stirring materials, and a heat exchange mechanism arranged in the side wall of the kettle body 1;

the stirring mechanism comprises an inner barrel 2 fixedly connected to the side wall of the bottom in the kettle body 1, a driving motor 3 is fixedly installed on the outer side wall of the top end of the kettle body 1, a rotating shaft 4 is fixedly connected to the tail end of an output shaft of the driving motor 3, the bottom end of the rotating shaft 4 downwards sequentially penetrates through the side walls of the top ends of the kettle body 1 and the inner barrel 2 and extends to the inner bottom of the inner barrel 2, a spiral blade 5 is fixedly installed on the side wall of the rotating shaft 4, the spiral blade 5 is located in the inner barrel 2, a plurality of stirring shafts 6 are movably connected to the inner side wall of the top end of the kettle body 1, the stirring shafts 6 all rotate on the inner side wall of the top end of the kettle body 1, a plurality of stirring blades 7 are fixedly installed on the side wall of the stirring shaft 6, each layer of slurry can be stirred, the stirring effect is ensured, second gears 9 are fixedly installed on the side walls of the stirring shafts 6, a first gear 8 is fixedly installed on the side wall of the rotating shaft 4, the second gears 9 are all meshed with the first gear 8, a plurality of bottom openings 10 are formed in the side wall of the bottom end of the inner cylinder 2 in a penetrating manner, and a plurality of top openings 11 are formed in the side wall of the top end of the inner cylinder 2 in a penetrating manner;

the heat exchange mechanism comprises a jacket arranged in the side wall of the kettle body 1, the outer side wall of the kettle body 1 is respectively provided with a steam inlet, a steam outlet, a water cooling inlet and a water cooling outlet, the water cooling outlet and the steam inlet are arranged on the outer side wall of the bottom end of the kettle body 1, the outer side wall of the kettle body 1 is also provided with a feed inlet 12, and the outer side wall of the bottom end of the kettle body 1 is provided with a discharge outlet 13;

the steam inlet, the steam outlet, the water-cooling inlet and the water-cooling outlet are communicated with the inside of the jacket, and the time-sharing control of the steam and the cooling water is realized through a control valve of an external pipeline so as to carry out heat exchange (which is the prior art and is not described herein in more detail);

the side wall of the top end of the kettle body 1 is provided with a vacuum tube 14, and the vacuum tube 14 is connected with an external vacuum pump so as to ensure that the proper vacuum degassing condition can be achieved in the kettle.

The specific working principle is as follows: during degassing, latex slurry is added into the kettle body 1 through the feed inlet 12, the rotating shaft 4 is rotated by starting the driving motor 3, the helical blades 5 on the side wall of the rotating shaft 4 can synchronously rotate, the slurry at the bottom in the kettle body 1 can enter the inner barrel 2 through the bottom openings 10 on the side wall of the bottom of the inner barrel 2, the rotation of the helical blades 5 can convey the slurry upwards, the slurry is discharged to the outside of the inner barrel 2 through the top openings 11 on the top of the inner barrel 2, and the effect of turning out the slurry at the bottom is realized, meanwhile, the first gear 8 on the side wall of the rotating shaft 4 is meshed with the second gears 9 on the side walls of the stirring shafts 6, the rotation of the rotating shaft 4 drives the stirring shafts 6 to rotate together, the stirring blades 7 on the side walls of the stirring shafts 6 can stir the slurry, the degassing rate is increased, by the circulation, the latex slurry at the bottom of the kettle is circularly turned out and stirred to realize the function of quick degassing;

in addition, steam and cooling water are introduced into the jacket at intervals, so that the heating and cooling treatment can be performed on the inside of the kettle body 1 in the degassing process, and the degassing efficiency is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. A degassing kettle for preparing butyronitrile latex is characterized by comprising a kettle body (1), a stirring mechanism which is arranged in the kettle body (1) and used for stirring materials, and a heat exchange mechanism which is arranged in the side wall of the kettle body (1);

the stirring mechanism comprises an inner barrel (2) fixedly connected to the inner bottom side wall of the kettle body (1), a driving motor (3) is fixedly mounted on the top outer side wall of the kettle body (1), a rotating shaft (4) is fixedly connected to the output shaft end of the driving motor (3), the bottom end of the rotating shaft (4) downwards sequentially penetrates through the top side walls of the kettle body (1) and the inner barrel (2) and extends to the inner bottom of the inner barrel (2), a spiral blade (5) is fixedly mounted on the side wall of the rotating shaft (4), the spiral blade (5) is located inside the inner barrel (2), a plurality of stirring shafts (6) are movably connected to the inner top side wall of the kettle body (1), the stirring shafts (6) all rotate on the inner top side wall of the kettle body (1), a plurality of stirring blades (7) are fixedly mounted on the side wall of the stirring shafts (6), and a second gear (9) is fixedly mounted on the side wall of the stirring shafts (6), fixed mounting has first gear (8) on the lateral wall of pivot (4), and is a plurality of second gear (9) all with first gear (8) intermeshing, run through on the bottom lateral wall of inner tube (2) and seted up a plurality of end mouths (10), run through on the top lateral wall of inner tube (2) and seted up a plurality of top mouths (11).

2. The degassing kettle for preparing nitrile latex according to claim 1, wherein the heat exchange mechanism comprises a jacket disposed in a sidewall of the kettle body (1), the outer sidewall of the kettle body (1) is provided with a steam inlet, a steam outlet, a water cooling inlet and a water cooling outlet, respectively, the water cooling outlet and the steam inlet are disposed on the outer sidewall of the bottom end of the kettle body (1), the outer sidewall of the kettle body (1) is further provided with a feeding port (12), and the outer sidewall of the bottom end of the kettle body (1) is provided with a discharging port (13).

3. The degassing vessel for preparing nitrile latex according to claim 2, wherein the steam inlet, the steam outlet, the water-cooled inlet and the water-cooled outlet are all in communication with the inside of the jacket.

4. A degassing vessel for the preparation of nitrile latex according to claim 1, characterized in that a vacuum tube (14) is provided on the top side wall of the vessel body (1).

Images