CN211546381U - Production equipment for modified polyethylene particles - Google Patents

Abstract

The utility model discloses a production facility for modifying polyethylene particle, preheat the cauldron including the material, the material is preheated cauldron upper end and is provided with the coarse grain and puts into the mouth, the material is preheated and is provided with the stirring rod in the cauldron, the fixed rotary rod that is provided with on the stirring rod, the fixed clutch blocks that is provided with of one end that the stirring rod was kept away from to the rotary rod, the material preheats one side that the cauldron was kept away from first driving motor and is passed through first pay-off passageway and reaction box intercommunication, it is connected with the dwang to rotate on the inner wall of reaction box both sides, the fixed a plurality of blades that are provided with on the dwang, NaOH solution is equipped with in the reaction box, the reaction box passes through second pay-off passageway and washing.

Description

Production equipment for modified polyethylene particles

Technical Field

The utility model relates to a polyethylene production facility technical field especially relates to a production facility for modifying polyethylene particle.

Background

Modified polyethylene particle is that one or more types of monomer forms in polymerization, is the improved material of industry new development, possesses good corrosion resistance and wearability, but multiple monomer can form a gel molecule in polymerization, if do not get rid of this kind of gel molecule in process of production, can greatly reduced modified polyethylene particle's heat resistance, to above-mentioned problem, the utility model designs a production facility for modified polyethylene particle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the gel molecular components in the production process of modified polyethylene influence the product quality, and providing a production device for modified polyethylene particles.

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

the utility model provides a production facility for modifying polyethylene particle, preheats the cauldron including the material, the material preheats the cauldron upper end and is provided with the coarse grain and puts into the mouth, the material is preheated and is provided with the stirring rod in the cauldron, stirring rod one end is worn out the material preheats cauldron shell and first driving motor rotor fixed connection, the fixed rotary rod that is provided with on the stirring rod, the rotary rod sets up to a plurality of roots, and follows the pole to distributing, the rotary rod is kept away from the fixed clutch blocks that is provided with of one end of stirring rod, the clutch blocks with the material preheats the cauldron inner wall and is the laminating state, for the promotion the temperature in the material preheats the cauldron, the clutch blocks with the material preheats the aluminium system material that has good heat conductivity, promotes the temperature aim at in the material preheats the cauldron, preheats.

Preferably, the stirring rod is kept away from the fixed stirring sickle that is provided with of one end of first driving motor, the stirring sickle is the arc, the stirring sickle is right the material preheats the piling coarse modified polyethylene particle in cauldron bottom and mixes the stirring, and the inside condition that probably has the ununiformity of mixing of coarse modified polyethylene particle of production in the reactor in earlier stage influences later stage separation effect, mixes the stirring to it, helps later stage separation operation.

Preferably, the material preheats the cauldron and keeps away from one side of first driving motor is through first pay-off passageway and reaction box intercommunication, it is connected with the dwang to rotate on the inner wall of reaction box both sides, dwang one end is worn out the outer wall and the second driving motor rotor fixed connection of reaction box, the dwang with the inner wall of reaction box both sides passes through bearing arrangement and connects.

Preferably, a plurality of blades are fixedly arranged on the rotating rod, a NaOH solution with the concentration of 10g/l is filled in the reaction box, and the blades are driven by the rotating rod to stir and react the coarse modified polyethylene particles soaked in the NaOH solution, so that the reaction rate is improved.

Preferably, the reaction tank is communicated with a washing tank through a second feeding channel, and hot water at the temperature of 60-80 ℃ is filled in the washing tank.

Preferably, it should be noted that the material preheating kettle, a connection portion between the reaction box and the first feeding channel, and a connection portion between the reaction box and the washing box and the second feeding channel are provided with pneumatic doors, the transportation of particles is completed by controlling the opening and closing of the pneumatic doors, and in addition, in order to discharge a solution after reaction in the reaction box and a liquid after washing in the washing box, a pumping dryer is arranged on each of the reaction box and the washing box.

Compared with the prior art, the utility model discloses possess following advantage:

1. the rotation rod drives the friction block to preheat the rotation of the inner wall of the kettle along the material, and the friction of the inner wall of the kettle is continuously preheated with the material to generate heat, so that the subsequent gel removal reaction is preheated, the particle temperature is improved, the subsequent reaction rate is improved, the efficiency is increased, the uneven mixing condition possibly exists inside the coarse modified polyethylene particles produced in the reactor in the earlier stage, the later stage separation effect is influenced, the mixing stirring is carried out on the coarse modified polyethylene particles, and the later stage separation operation is facilitated.

2. The coarse modified polyethylene particles enter the reaction box through the first feeding channel, NaOH solution in the reaction box reacts with and dissolves gel components in the coarse modified polyethylene particles, the rotating rod arranged in the reaction box drives the rotating blades to stir so as to improve the reaction rate, the gel components are removed in the reaction process, and the product quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a production apparatus for modifying polyethylene particles, which is provided by the utility model.

In the figure: 1. a material preheating kettle; 2. placing coarse particles into an inlet; 3. a stirring rod; 4. a first drive motor; 5. rotating the rod; 51. a friction block; 6. mixing and stirring sickle; 7. a first feed channel; 8. a reaction box; 81. rotating the rod; 82. a second drive motor; 83. a blade; 84. NaOH solution; 9. a second feed channel; 10. a washing tank; 11. a pumping machine.

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, modified polyethylene particle's production facility includes that the material preheats cauldron 1, the material preheats cauldron 1 upper end and is provided with coarse grain and puts into mouth 2, the material preheats and is provided with stirring rod 3 in the cauldron 1, stirring rod 3 one end is worn out the material and is preheated cauldron 1 shell and first driving motor 4 rotor fixed connection, the fixed rotary rod 5 that is provided with on the stirring rod 3, rotary rod 5 sets up to a plurality of, and distribute to the pole along the pole, the fixed clutch blocks 51 that is provided with of one end that the rotary rod 5 keeps away from stirring rod 3, clutch blocks 51 preheats the cauldron 1 inner wall with the material and is the laminating state, preheat the temperature in the cauldron 1 for the promotion material, clutch blocks 51 and material preheat the cauldron 1 inner wall and all adopt the aluminium system material that has good heat conductivity, promote the material and preheat the temperature aim.

The fixed mixed stirring sickle 6 that is provided with of one end that keeps away from first driving motor 4 of puddler 3, mixed stirring sickle 6 is the arc, and mixed stirring sickle 6 preheats 1 bottom accumulational thick modified polyethylene particle of cauldron to the material and mixes the stirring, and the thick modified polyethylene particle of production probably has the uneven condition of mixing in the reactor in earlier stage inside, influences later stage separation effect, mixes the stirring to it, helps later stage separation operation.

One side that first driving motor 4 was kept away from to material preheating kettle 1 is through first pay-off passageway 7 and reaction box 8 intercommunication, and it is connected with dwang 81 to rotate on the inner wall of 8 both sides of reaction box, and the outer wall and the 82 rotor fixed connection of second driving motor of reaction box 8 are worn out to dwang 81 one end, and dwang 81 passes through bearing arrangement with the inner wall of 8 both sides of reaction box and is connected.

The rotating rod 81 is fixedly provided with a plurality of blades 83, a NaOH solution 84 with the concentration of 10g/l is filled in the reaction box 8, and the blades 83 are driven by the rotating rod 81 to stir and react the coarse modified polyethylene particles soaked in the NaOH solution 84, so that the reaction rate is improved.

The reaction box 8 is communicated with a washing box 10 through a second feeding channel 9, and hot water with the temperature of 60-80 ℃ is filled in the washing box 10.

It should be noted that pneumatic doors are arranged at the joints of the material preheating kettle 1, the reaction box 8 and the first feeding channel 7, and at the joints of the reaction box 8, the washing box 10 and the second feeding channel 9, and the transfer of particles is completed by controlling the opening and closing of the pneumatic doors.

In addition, in order to discharge the solution after the reaction in the reaction tank 8 and the liquid after the washing in the washing tank 10, a suction dryer 11 is provided in each of the reaction tank 8 and the washing tank 10.

The utility model discloses a theory of use as follows:

coarse modified polyethylene particles enter the material preheating kettle 1 through the coarse particle inlet 2, the stirring rod 3 is driven by the first driving motor 4 to rotate to drive the rotating rod 5 to rotate, the rotating rod 5 drives the friction block 51 to rotate along the inner wall of the material preheating kettle 1 and continuously rub with the inner wall of the material preheating kettle 1 to generate heat, the subsequent gel removal reaction is preheated, the particle temperature is increased, the subsequent reaction rate is increased, the efficiency is increased, the coarse modified polyethylene particles produced in the early-stage reactor are likely to have uneven mixing inside, the later-stage separation effect is influenced, the mixing and stirring are performed, and the later-stage separation operation is facilitated; and then, the roughly modified polyethylene particles enter a reaction box 8 through a first feeding channel 7, NaOH solution 84 in the reaction box 8 reacts with gel components in the roughly modified polyethylene particles and is dissolved, a rotating rod 81 arranged in the reaction box 8 drives a blade 83 to stir so as to improve the reaction rate, after the reaction process is completed, the reacted solution is pumped by a pumping dryer 11, the modified polyethylene particles in the reaction box 8 enter a washing box 10 through a second feeding channel 9, the modified polyethylene particles are soaked and washed through hot water to complete the washing process, the washing solution is pumped by the pumping dryer 11, and the whole separation process is completed and enters a low-pressure granulation process.

In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 (7)

1. The utility model provides a production facility for modifying polyethylene particle, preheats cauldron (1) including the material, its characterized in that, the material preheats cauldron (1) upper end and is provided with coarse grain and puts into mouth (2), the material is preheated and is provided with stirring rod (3) in cauldron (1), fixed rotary rod (5) that is provided with on stirring rod (3), rotary rod (5) are kept away from the fixed clutch blocks (51) that is provided with of one end of stirring rod (3), the material preheats cauldron (1) and keeps away from one side of first driving motor (4) and is passed through first pay-off passageway (7) and reaction box (8) intercommunication, it is connected with dwang (81) to rotate on reaction box (8) both sides inner wall, fixed a plurality of blades (83) that are provided with on dwang (81), solution (84) are equipped with in reaction box (8) NaOH, reaction box (8) are passed through second pay-off passageway (9) and washing box, the washing tank (10) is filled with hot water.

2. The production equipment for the modified polyethylene particles according to claim 1, wherein one end of the stirring rod (3) penetrates out of the shell of the material preheating kettle (1) and is fixedly connected with the rotor of the first driving motor (4).

3. A production apparatus for modified polyethylene particles according to claim 1, wherein the number of the rotating rods (5) is several and distributed along the rod direction.

4. The production equipment for the modified polyethylene particles according to claim 1, wherein the friction block (51) is attached to the inner wall of the material preheating kettle (1), and the friction block (51) and the inner wall of the material preheating kettle (1) are made of aluminum with good heat conductivity.

5. The production equipment for modified polyethylene particles according to claim 1, wherein a mixing and stirring sickle (6) is fixedly arranged at one end of the stirring rod (3) far away from the first driving motor (4), and the mixing and stirring sickle (6) is arc-shaped.

6. A production apparatus for modified polyethylene particles according to claim 1, wherein pneumatic doors are arranged at the connection of the material preheating kettle (1) and the reaction box (8) with the first feeding channel (7) and at the connection of the reaction box (8) and the washing box (10) with the second feeding channel (9).

7. A production apparatus for modified polyethylene particles according to claim 1, wherein a suction dryer (11) is provided on each of the reaction tank (8) and the washing tank (10).

Images