CN213590475U

CN213590475U - Emulsification device is used in polyurethane production

Info

Publication number: CN213590475U
Application number: CN202022359294.0U
Authority: CN
Inventors: 韦高林; 曾庆刚; 肖传钰; 陈崇思
Original assignee: Qingyuan Lanlin New Material Co ltd
Current assignee: Qingyuan Lanlin New Material Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-07-02
Anticipated expiration: 2030-10-21

Abstract

The utility model belongs to the technical field of the polyurethane production, especially, be an emulsification device for polyurethane production, including reation kettle, the outside top surface of reation kettle is provided with the guide rail, guide rail top fixedly connected with connecting rod, the top fixed mounting of connecting rod has electronic stretching device, electronic stretching device's tensile pole bottom fixed mounting has the carriage, the both ends swing joint of carriage has the guide rail, the upper surface of carriage bottom is provided with motor one the bottom of motor one is provided with pivot one. The utility model discloses a set up at outside guide rail of reation kettle and electronic stretching device for displacement about the pivot one that motor one is connected can drive the first displacement of making a round trip that carries out vertical direction of emulsifying, in the emulsification of improvement polyurethane, both received the revolving force of horizontal direction, received the power of vertical direction again, and the stirring net that rotates opposite direction with the first emulsifying provides a horizontal direction opposite's power, has improved the efficiency of emulsification.

Description

Emulsification device is used in polyurethane production

Technical Field

The utility model relates to a polyurethane production technical field specifically is an emulsification device is used in polyurethane production.

Background

At present, people pay more attention to the environmental protection problem, and the development direction of the environment-friendly solvent-free polyurethane and the water-based polyurethane is gradually changed from a solvent type polyurethane industry to a solvent-free polyurethane industry. In the production process of the waterborne polyurethane, emulsification and dispersion and phase transformation are very critical procedures, and an emulsification and dispersion kettle plays an important role. In the production process, in order to obtain the polyurethane resin with high solid content, fine particle size, small particle size and stable emulsion, a strong shearing force action needs to be provided during emulsification and dispersion, so that the polyurethane is better and uniformly dispersed in water. At present, the following problems exist in the production process of waterborne polyurethane:

1. because the motor used by the emulsifying device is usually low in power, a dispersing dead angle is easy to generate in the dispersing process, and the emulsion has poor stability and poor process repeatability.

2. Some devices have simple structure, the top is directly opened, and the emulsified product is added with water and poured out by using a pouring mode.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an emulsification device is used in polyurethane production has solved the poor problem of emulsion stability that the polyurethane emulsification who mentions in the above-mentioned technical background produced.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an emulsifying device for polyurethane production comprises a reaction kettle, wherein a guide rail is arranged on the top surface outside the reaction kettle, a connecting rod is fixedly connected to the top end of the guide rail, an electric stretching device is fixedly mounted at the top of the connecting rod, a sliding frame is fixedly mounted at the bottom of a stretching rod of the electric stretching device, two ends of the sliding frame are movably connected with the guide rail, a first motor is arranged on the upper surface of the bottom of the sliding frame, a first rotating shaft is arranged at the bottom of the first motor, an emulsifying head is fixedly mounted at the tail end of the first rotating shaft, a second motor is fixedly mounted on the bottom surface outside the reaction kettle, a second rotating shaft is arranged at the top end of the second motor, a stirring net is fixedly mounted at the top end of the second rotating shaft, a liquid flowing hole is formed in the surface of the stirring net, a friction, the outside top surface of reation kettle is provided with the inlet tube, the bottom of reation kettle lateral wall is provided with the discharging pipe, the bottom of reation kettle outer wall is provided with the base, reation kettle's lateral wall surface is provided with handrail circle.

As the utility model discloses an optimized technical scheme, it is connected with pivot one to rotate in the shaft hole that the reation kettle top was seted up, it is connected with pivot two to rotate in the shaft hole that the reation kettle bottom was seted up, all is provided with air seal device between the shaft hole of seting up on pivot one, pivot two and the reation kettle.

As a preferred technical scheme of the utility model, the emulsification head has been cup jointed to the inboard of stirring net, the diameter of stirring net inner wall is greater than the external diameter of emulsification head, when electric stretching device tensile length was the biggest, there was the space between the bottom of emulsification head and the inboard bottom of stirring net.

As an optimized technical proposal of the utility model, the friction blocks are arranged in a plurality of irregular arrangement on the inner side wall of the reaction kettle.

As an optimal technical scheme of the utility model, the sealing plug is installed in the inboard rotation of material loading mouth, the inlet tube surface is provided with flow control valve, the top of discharging pipe is provided with the embolism.

As an optimized technical scheme of the utility model, the height of base is greater than the height of motor two.

As an optimized technical scheme of the utility model, the rotation direction of pivot one and pivot two is opposite.

(III) advantageous effects

Compared with the prior art, the utility model provides an emulsification device is used in polyurethane production possesses following beneficial effect:

1. this emulsification device is used in polyurethane production through setting up at the outside guide rail of reation kettle and electronic stretching device for the first pivot of connecting of motor can displacement from top to bottom, drives the first displacement of making a round trip that carries out vertical direction of emulsifying, in the emulsification of improvement polyurethane, both received the revolving force of horizontal direction, received the power of vertical direction again, and the stirring net that rotates opposite direction with the first emulsifying provides the opposite power of horizontal direction, has improved the efficiency of emulsification.

2. This emulsification device is used in polyurethane production uses full seal structure, carries out the ration through flow control valve and adds water, has improved the control power to adding the water yield among the emulsification process, and the outlet pipe sets up the embolism, avoids the reaction time from bottom weeping.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view cross-sectional structure of the present invention;

fig. 3 is a top view cross-sectional structure of the present invention.

In the figure: 1. a reaction kettle; 2. a guide rail; 3. a connecting rod; 4. an electric stretching device; 5. a carriage; 6. a first motor; 7. a first rotating shaft; 8. an emulsifying head; 9. a second motor; 10. a second rotating shaft; 11. a stirring net; 12. a liquid flow hole; 13. a friction block; 14. a feeding port; 15. a water inlet pipe; 16. a flow control valve; 17. a discharge pipe; 18. plugging; 19. a base; 20. handrail rings.

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 work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an emulsifying device for polyurethane production comprises a reaction kettle 1, wherein a guide rail 2 is arranged on the top surface outside the reaction kettle 1, a connecting rod 3 is fixedly connected to the top end of the guide rail 2, an electric stretching device 4 is fixedly installed at the top of the connecting rod 3, a sliding frame 5 is fixedly installed at the bottom of a stretching rod of the electric stretching device 4, two ends of the sliding frame 5 are movably connected with the guide rail 2, a first rotating shaft 7 is arranged at the bottom of a first motor 6 arranged on the upper surface of the bottom of the sliding frame 5, a first emulsifying head 8 is fixedly installed at the tail end of the first rotating shaft 7, a second motor 9 is fixedly installed on the bottom surface outside the reaction kettle 1, a second rotating shaft 10 is arranged at the top end of the second motor 9, a stirring net 11 is fixedly installed at the top end of the second rotating shaft 10, a liquid flowing hole 12 is formed in the surface of the stirring, a water inlet pipe 15 is arranged on the top surface of the outside of the reaction kettle 1, a discharge pipe 17 is arranged at the bottom end of the outer side wall of the reaction kettle 1, a base 19 is arranged at the bottom of the outer wall of the reaction kettle 1, and a handrail ring 20 is arranged on the surface of the outer side wall of the reaction kettle 1.

In this embodiment, through setting up guide rail 2 and electronic stretching device 4 in reation kettle 1 outside, make a pivot 7 that 6 motors are connected can displacement from top to bottom, drive emulsification head 8 and carry out the displacement of making a round trip of vertical direction, emulsification head 8 is rotatory under the drive of pivot 7, form the shearing force to polyurethane, in the emulsification of improvement polyurethane, both received the shearing force of horizontal direction, receive the power of vertical direction again, it also provides a horizontal direction opposite power to rotate the stirring net 11 of opposite direction with emulsification head 8, the emulsification effect of device has been improved, handrail ring 20 set up the transport that has made things convenient for the device.

Specifically, a first rotating shaft 7 is rotatably connected in a shaft hole formed in the top of the reaction kettle 1, a second rotating shaft 10 is rotatably connected in the shaft hole formed in the bottom of the reaction kettle 1, and air-tight devices are arranged among the first rotating shaft 7, the second rotating shaft 10 and the shaft hole formed in the reaction kettle 1.

In this embodiment, the air-tight devices between the first rotating shaft 7 and the second rotating shaft 10 and the reaction kettle 1 ensure the air-tightness of the internal structure of the reaction kettle 1 in the emulsification process.

Specifically, emulsification head 8 has been cup jointed to the inboard of stirring net 11, and the diameter of stirring net 11 inner wall is greater than the external diameter of emulsification head 8, and when electric stretching device 4 stretched length was the biggest, there was the space between the bottom of emulsification head 8 and the inboard bottom of stirring net 11.

In this embodiment, the vertically displaceable emulsifying head 8 and the stirring net 11 do not come into contact with each other due to the displacement of the emulsifying head 8.

Specifically, the friction blocks 13 are arranged in number and irregularly arranged on the inner side wall of the reaction kettle 1.

In this embodiment, the friction block 13 can provide more shearing force during emulsification, so that the particle size of the aqueous polyurethane emulsion is smaller and the storage stability is better.

Specifically, a sealing plug is rotatably mounted on the inner side of the feeding hole 14, a flow control valve 16 is arranged on the surface of the water inlet pipe 15, and a plug 18 is arranged at the top of the discharge pipe 17.

In this embodiment, the flow control valve 16 is used to accurately control the amount of water added in the emulsion reaction, and at the same time, the sealing plug and the plug 18 also serve to seal the reaction vessel 1 after the water addition is stopped.

Specifically, the height of the base 19 is greater than that of the second motor 9.

In this embodiment, the second motor 9 does not contact the ground, thereby avoiding damage caused by problems such as uneven ground.

Specifically, the rotating directions of the first rotating shaft 7 and the second rotating shaft 10 are opposite.

In this embodiment, the rotation directions of the emulsifying head 8 and the stirring net 11 are also opposite, so that a larger shearing force can be provided during emulsification.

The utility model discloses a theory of operation and use flow: when the device is used, polyurethane and water are added through the feeding port 14 and the water inlet pipe 15, the water adding amount is accurately controlled through the flow control valve 16, meanwhile, the result of sealing the reaction kettle 1 can be achieved after the water adding is stopped, the rotating shaft I7 connected with the motor I6 can move up and down to drive the emulsifying head 8 to move back and forth in the vertical direction through the guide rail 2 and the electric stretching device 4 arranged outside the reaction kettle 1, the emulsifying head 8 rotates under the driving of the rotating shaft I7 to form shearing force on the polyurethane, the shearing force in the horizontal direction is improved, the force in the vertical direction is also applied, the stirring net 11 in the direction opposite to the rotating direction of the emulsifying head 8 also provides a force in the direction opposite to the horizontal direction, the emulsifying effect of the device is improved, the friction block 13 in the reaction kettle 1 can provide more shearing force during the emulsifying process, and the particle size of the waterborne polyurethane emulsion is smaller, the storage stability is better, the air tightness of the internal structure of the reaction kettle 1 in the emulsification process is guaranteed by the air tightness devices between the first rotating shaft 7 and the second rotating shaft 10 and the reaction kettle 1, and the carrying of the device is facilitated by the arrangement of the handrail ring 20.

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 protection scope of the present invention.

Claims

1. The utility model provides an emulsification device is used in polyurethane production, includes reation kettle (1), its characterized in that: the top surface of the outer portion of the reaction kettle (1) is provided with a guide rail (2), the top end of the guide rail (2) is fixedly connected with a connecting rod (3), the top of the connecting rod (3) is fixedly provided with an electric stretching device (4), the bottom of a stretching rod of the electric stretching device (4) is fixedly provided with a sliding frame (5), two ends of the sliding frame (5) are movably connected with the guide rail (2), the upper surface of the bottom of the sliding frame (5) is provided with a motor I (6), the bottom of the motor I (6) is provided with a rotating shaft I (7), the tail end of the rotating shaft I (7) is fixedly provided with an emulsifying head (8), the bottom surface of the outer portion of the reaction kettle (1) is fixedly provided with a motor II (9), the top end of the motor II (9) is provided with a rotating shaft II (10), the top end of the rotating shaft II (10) is fixedly provided, the utility model discloses a portable automatic cleaning device for the sewage, including reation kettle (1), reation kettle (1) inside wall surface is provided with clutch blocks (13), material loading mouth (14) have been seted up to reation kettle (1) outside top surface, reation kettle (1) outside top surface is provided with inlet tube (15), the bottom of reation kettle (1) lateral wall is provided with discharging pipe (17), the bottom of reation kettle (1) outer wall is provided with base (19), the lateral wall surface of reation kettle (1) is provided with handrail circle (20).

2. The emulsifying device for polyurethane production according to claim 1, wherein: the reaction kettle is characterized in that a first rotating shaft (7) is rotatably connected in a shaft hole formed in the top of the reaction kettle (1), a second rotating shaft (10) is rotatably connected in the shaft hole formed in the bottom of the reaction kettle (1), and air-tight devices are arranged among the first rotating shaft (7), the second rotating shaft (10) and the shaft hole formed in the reaction kettle (1).

3. The emulsifying device for polyurethane production according to claim 1, wherein: the emulsification head (8) is sleeved on the inner side of the stirring net (11), the diameter of the inner wall of the stirring net (11) is larger than the outer diameter of the emulsification head (8), and when the stretching length of the electric stretching device (4) is the largest, a gap exists between the bottom end of the emulsification head (8) and the bottom of the inner side of the stirring net (11).

4. The emulsifying device for polyurethane production according to claim 1, wherein: the friction blocks (13) are arranged on the inner side wall of the reaction kettle (1) in an irregular manner.

5. The emulsifying device for polyurethane production according to claim 1, wherein: the inner side of the feeding hole (14) is rotatably provided with a sealing plug, the surface of the water inlet pipe (15) is provided with a flow control valve (16), and the top of the discharging pipe (17) is provided with a plug (18).

6. The emulsifying device for polyurethane production according to claim 1, wherein: the height of the base (19) is greater than that of the second motor (9).

7. The emulsifying device for polyurethane production according to claim 1, wherein: the rotating directions of the first rotating shaft (7) and the second rotating shaft (10) are opposite.