CN213725892U - Horizontal double-shaft devolatilization machine - Google Patents

Abstract

The utility model provides a horizontal biax devolatilization machine, include: the motor is connected with one end of the driving shaft through the coupler, the driven shaft is arranged in parallel with the driving shaft side by side and is connected with a gear at the other end of the driving shaft, bearings are respectively arranged at two ends of the driving shaft and the driven shaft, a female screw is arranged on the driving shaft, a male screw is arranged on the driven shaft, the female screw and the male screw are both multi-tooth screws, multi-tooth structures on the female screw and the male screw are meshed with each other to form a plurality of sealed cavities when the driven shaft and the driving shaft rotate relatively, a shell is arranged outside the female screw and the male screw, a heat transfer interlayer is arranged in the shell, a heat transfer medium is arranged in the heat transfer interlayer, a heat transfer medium inlet and a heat transfer medium outlet are formed in the heat transfer interlayer, and a feed inlet, an exhaust port and a discharge port are formed in the shell. The utility model discloses can guarantee good self-cleaning nature under the prerequisite of fully taking off and wave, at the in-process of machine operation moreover, biax rabbling mechanism can produce the propulsive force that is showing, guarantees that the material is taking off and wave the smooth and easy flow of in-process.

Description

Horizontal double-shaft devolatilization machine

Technical Field

The utility model belongs to the technical field of chemical machinery, especially indicate a horizontal biax devolatilization machine for polymer production.

Background

In the production of polymers, in order to remove low molecular products, monomers and water therein, the polymers need to be subjected to devolatilization treatment. The existing stirring system of the devolatilization machine is mostly a single-shaft stirring mechanism, materials are easily adhered to a stirring shaft during devolatilization, blockage occurs as long as possible, smooth conveying of the materials is influenced, the devolatilization effect is influenced, and finally the devolatilization treatment is large in energy consumption, low in efficiency and poor in devolatilization effect. Therefore, improvements are urgently needed.

SUMMERY OF THE UTILITY MODEL

For solving the defects of the prior art, the utility model provides a horizontal double-shaft devolatilization machine.

The technical scheme of the utility model is realized like this:

a horizontal dual shaft devolatilizer comprising: the motor is connected with one end of the driving shaft through the coupler, the driven shaft is arranged in parallel with the driving shaft side by side and is connected with a gear at the other end of the driving shaft, bearings are respectively arranged at two ends of the driving shaft and the driven shaft, a female screw is arranged on the driving shaft, a male screw is arranged on the driven shaft, the female screw and the male screw are both multi-tooth screws, the female screw and the male screw are meshed with each other and form a plurality of sealed cavities when rotating relatively, a shell is arranged outside the female screw and the male screw, a heat transfer interlayer is arranged in the shell, a heat transfer medium is arranged in the heat transfer interlayer, a heat transfer medium inlet and a heat transfer medium outlet are formed in the heat transfer interlayer, and a feed inlet, an exhaust port and a discharge port are formed in the shell.

Preferably, two bearings at the same end of the driving shaft and the driven shaft are arranged in the same bearing box.

Further preferably, the driven shaft and the driving shaft are respectively provided with a gear, and the two gears are arranged in the gear box.

More preferably, the lower surface of the casing is provided with a plurality of supporting frames.

Most preferably, the heat transfer medium is one of hot oil, hot steam or hot water.

Compared with the prior art, the utility model discloses simple structure, design science, its special line type design of stirring screw rod can guarantee good self-cleaning nature under the prerequisite of fully taking off the effect, and at the in-process of machine operation, biax rabbling mechanism can play the propulsive effect that is showing moreover, guarantees that the material is taking off and is taking off the smooth and easy flow of in-process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural diagram of the power system of fig. 1.

In the figure: 1. a motor; 2. a coupling; 3. a drive shaft; 4. a driven shaft; 5. a bearing housing; 6. a feed inlet; 7. an exhaust port; 8. a housing; 9. a gear case; 10. a discharge port; 11. a female screw; 12. a gear; 13. a male screw.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2 together: a horizontal dual shaft devolatilizer comprising: the motor 1, the shaft coupling 2, driving shaft 3 and driven shaft 4, motor 1 is connected with one end of driving shaft 3 through shaft coupling 2, driven shaft 4 and driving shaft 3 parallel arrangement side by side and with the other end gear connection of driving shaft 3, the both ends of driving shaft 3 and driven shaft 4 are equallyd divide and are equipped with the bearing respectively, be equipped with negative screw rod 11 on the driving shaft 3, be equipped with positive screw rod 13 on the driven shaft 4, negative screw rod 11 and positive screw rod 13 are multi-tooth screw rod, intermeshing and form a plurality of sealed chambeies when negative screw rod 11 and positive screw rod 13 rotate relatively, be equipped with casing 8 outside negative screw rod 11 and the positive screw rod 13, be equipped with the heat transfer intermediate layer in the casing 8, be equipped with heat transfer medium in the heat transfer intermediate layer, heat transfer medium entry and the heat transfer medium export have been seted up on the heat transfer intermediate layer, seted up feed inlet 6, gas vent 7 and discharge gate 10 on the casing 8.

The working principle is as follows: the polymer material to be processed enters a machine shell 8 from a feeding hole 6, a motor 1 drives a driving shaft 3 to rotate through a coupler 2 after being started, a rotating shaft 3 rotates to drive a driven shaft 4 connected with a gear of the rotating shaft 3 to rotate stably, a female screw 11 and a male screw 13 which are arranged on the driving shaft 3 and the driven shaft 4 rotate relatively due to the fact that the rotating directions of the rotating shaft 3 and the driven shaft 4 are opposite, multi-tooth structures on the female screw and the male screw are meshed with each other at high precision to form a sealed cavity, the polymer to be processed is conveyed from a low-pressure cavity to a high-pressure cavity along the axial direction, and boosting conveying is completed; the heat transfer medium in the heat transfer interlayer provides the heat energy required by the whole devolatilization treatment; the polymer after devolatilization is discharged from the casing 8 through the discharge port 10, and the gas generated during the devolatilization process is discharged from the exhaust port 7 and further processed. The utility model provides a cloudy screw rod 11 and positive screw rod 13 adopt prior art, and any existing structure that can the high accuracy meshing, form a plurality of sealed chambeies all can.

The utility model discloses a stirring structure carries out the automatically cleaning each other when the intensive mixing polymer material, guarantees that the material can not adhere to for a long time on cloudy screw rod 11 and positive screw rod 13, has avoided material blocking phenomenon's emergence, and cloudy screw rod 11 and the unique line type design of positive screw rod 13 can produce the driving force that is showing to the material moreover, guarantees the smooth transportation of material.

As a preferred technical scheme, the utility model discloses a further embodiment, in same bearing box 5 was located to two bearings of driving shaft 3 and the same end of driven shaft 4, the both ends setting of casing 8 was hugged closely respectively to two bearing boxes 5.

As a preferred technical solution, in another embodiment of the present invention, the driven shaft 4 and the driving shaft 3 are respectively provided with a gear 12, and the two gears 12 are arranged in the gear box 9; the gear box 9 is arranged close to the bearing box 5 on the same side, and the gear box 9 can not only fix a gear mechanism, but also help to reduce noise generated by gear transmission and improve the safety factor of the device.

As a preferred technical solution, in another embodiment of the present invention, the lower surface of the casing 8 is provided with a plurality of supporting frames.

As a preferred technical solution, in another embodiment of the present invention, the heat transfer medium is one of hot oil, hot steam or hot water.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a horizontal biax devolatilization machine which characterized in that: the method comprises the following steps: the motor (1) is connected with one end of the driving shaft (3) through the coupler (2), the driven shaft (4) is arranged in parallel with the driving shaft (3) side by side and is in gear connection with the other end of the driving shaft (3), bearings are respectively arranged at two ends of the driving shaft (3) and the driven shaft (4), a female screw (11) is arranged on the driving shaft (3), a male screw (13) is arranged on the driven shaft (4), the female screw (11) and the male screw (13) are both multi-tooth screws, the female screw (11) and the male screw (13) are meshed with each other when rotating relatively to form a plurality of sealed cavities, a machine shell (8) is arranged outside the female screw (11) and the male screw (13), a heat transfer interlayer is arranged in the machine shell (8), a heat transfer medium is arranged in the heat transfer interlayer, a heat transfer medium inlet and a heat transfer medium outlet are arranged on the heat transfer interlayer, the shell (8) is provided with a feed inlet (6), an exhaust port (7) and a discharge port (10).

2. The horizontal twin shaft devolatilizer of claim 1 wherein: two bearings at the same end of the driving shaft (3) and the driven shaft (4) are arranged in the same bearing box (5).

3. The horizontal twin shaft devolatilizer of claim 1 wherein: the driven shaft (4) and the driving shaft (3) are respectively provided with a gear (12), and the two gears (12) are arranged in the gear box (9).

4. The horizontal twin screw devolatilizer as set forth in any one of claims 1 to 3 wherein: the lower surface of the shell (8) is provided with a plurality of supporting frames.

5. The horizontal twin shaft devolatilizer of claim 4 in which: the heat transfer medium is one of hot oil, hot steam or hot water.

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