CN201201311Y

CN201201311Y - Equipment for kneading, extruding and prilling

Info

Publication number: CN201201311Y
Application number: CNU2008200216044U
Authority: CN
Inventors: 曹永良
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-24
Filing date: 2008-04-24
Publication date: 2009-03-04
Anticipated expiration: 2018-04-24

Abstract

The utility model discloses a kneading extrusion granulation device. An extrusion screw rod (10) is arranged on the lower side of a space between two kneading stirring paddles, and the axis of the kneading stirring paddles are mutually parallel to the axis of the extrusion screw rod (10); a discharge end of a kneading extruder (2) is connected with a distribution valve (3) with a first discharge port (9) and a second discharge port (8), wherein the second discharge port (8) is connected with a granule manufacture device. The kneading and the extrusion are integrated so as to avoid the fact that after the mixed material is discharged from a kneader, the unexpected changes of the physical and chemical properties of the mixed material occur during the circulation process so as to influence the normal operation of the extrusion and the granulation in a later period, even resulting in that the following working procedures can not be continued. The production efficiency and the end product quality of the granulation are improved as well.

Description

Kneading extruding and granulating equipment

Technical field the utility model relates to a kind of Granulation Equipments, specifically a kind of kneading extruding and granulating equipment.

The existing Granulation Equipments of background technology and kneader device, extrusion equipment generally are mutually independently.Particularly between kneader device and the extruding and granulating equipment, on technology, belong to the process equipment of adjacent two procedures, but since before many technical problems can't solve, work alone always.On the one hand, the turnover that the semi-finished product of mediating after processing are transferred in the extruding and granulating equipment has reduced production efficiency.On the other hand, also be prior one side, some material (mixed material) after the kneader discharging circular flow physics, chemical property change outside the expection has taken place, influenced normally carrying out of later stage extruding pelletization, even can't continue the operation in later stage.

Utility model content technical problem to be solved in the utility model is, overcome the defective of above-mentioned existing procucts, and provide a kind of kneading extruding and granulating equipment, kneader device, extrusion equipment and Granulation Equipments are designed to the production line integral body of an organic contact, improve granulation quality and production efficiency.

The utility model has adopted following technical scheme.

A kind of kneading extruding and granulating equipment, comprise kneading extruder and granulate equipment, kneading extruder comprises the kneading paddle that two axial lines is parallel to each other, it is characterized in that: extrusion screw rod is installed on two and mediates under the paddle centre, and the axis of the axis of kneading paddle and extrusion screw rod is parallel to each other;

Be connected with distributing valve with first discharging opening and second discharging opening at the discharge end of kneading extruder, wherein second discharging opening is connected with granulate equipment.

Described granulate equipment is the pelleter that has water cooling system, and pelleter comprises head, and the cutting knife that is fixed on the material discharging mould on the head and is fixed in the head lower end, cutting knife are installed on the head central shaft;

Below head, be provided with the pelletizing chamber, this upper surface, pelletizing chamber sealing, the lower end has grain export; The top of pelletizing chamber, promptly a section around cutting knife is the sandwich cylinder shape, the barrel interlayer of annular has the end face of two sealings up and down and has water inlet pipe, offer several water spray slits therein on the internal layer barrel evenly distributedly, these water spray slits all vertically are provided with along the internal layer barrel, promptly have the trend with the head central axes, they are in same height and position.

Side at each water spray slit is provided with a deflector, the inner of this deflector and internal layer barrel one or fix, and the mezzanine space between deflector and the internal layer barrel is an intake tunnel, the inwall of the center line of this intake tunnel and internal layer barrel is tangent; The center circle of the center line of water inlet pipe and barrel interlayer is tangent.

Described granulate equipment can also be pelletizing, cooling split equipment, and it comprises the extruder that is connected with second discharging opening successively, extrudes excellent cooling bath and pellet device.

Good effect of the present utility model is:

(1), mediate and be extruded as an organic whole, avoided mixed material that the outer physics of expection, chemical property change take place circular flow after the kneader discharging, influence normally carrying out of later stage extruding pelletization, even can't continue the working-procedure problem in later stage.And granulation production efficiency and end product quality have been improved.

(2), directly to clash into the problem that the inwall of internal layer barrel brings be the bonding barrel of particle to the higher particle of temperature.In the utility model, the granulating mechanism water cooling system has unique construction.The water that enters from water inlet pipe has certain pressure, through the deflector water conservancy diversion, spray into the pelletizing chamber at a high speed from the water spray slit, and form the annular water band of rotation at a high speed between cutting knife and internal layer barrel, this direction of rotation of rotating the water band at a high speed is opposite with the direction of rotation of cutting knife.The particle that breaks away from cutting knife has changed movement locus under the effect of water band, avoided contacting and adhesion too early with the internal layer barrel.Simultaneously, the particle that breaks away from cutting knife had longer moving line before discharging from grain export, and cooling effect is better.

(3), material at first enters distributing valve after being extruded, contain the material (being commonly called as dead material) of mediating bad composition mediated repeatedly, mixing, reach to mediate and just be admitted to the pelletizing head after requiring.Guaranteed the abundant kneading of material.

(4), its whole structure is simple, compact conformation, floor space is little, and is easy to operate.

Description of drawings Fig. 1 is the structural representation of the utility model first embodiment.

Fig. 2 is the structural representation of pelleter among the utility model first embodiment.

Fig. 3 is the cross sectional representation on top, pelletizing chamber among first embodiment.

Fig. 4 is the longitudinal section schematic diagram of kneading extruder.

Fig. 5 is the structural representation of the utility model second embodiment.

The specific embodiment further specifies the utility model below in conjunction with the drawings and specific embodiments.

Embodiment one

As Fig. 1, shown in Figure 4, present embodiment comprises kneading extruder 2 and the pelleter 4 that has power set 1.Kneading extruder 2 comprises the kneading paddle that two axial lines is parallel to each other, promptly first mediates the paddle 26 and the second kneading paddle 25, and they all are " Z " type paddles.Extrusion screw rod 10 is installed on two and mediates under the paddle centre, and the axis of the axis of kneading paddle and extrusion screw rod 10 is parallel to each other.

As Fig. 1, be connected with distributing valve 3 at the discharge end of kneading extruder 2 with first discharging opening 9 and second discharging opening 8, wherein second discharging opening 8 is connected with the head of pelleter 4.The discharge end of pelleter 4 connects particle drying device 6 by Material pipeline 5, and the discharge end of particle drying device 6 is connected with finished container 7.

As shown in Figure 2, this pelleter 4 comprises the head 11 that has power set, the cutting knife 14 that is fixed on the material discharging mould 12 on the head 11 and is fixed in head 11 lower ends.Have several discharge openings 13 on the material discharging mould 12.Cutting knife 14 is installed on the cutoff knife rack 15.15 of cutoff knife racks are installed on the head central shaft 17 by hold-down nut 16.

Shown in Fig. 2,3, below head 11, be provided with pelletizing chamber 19, this 19 upper surfaces, pelletizing chamber sealing, the lower end has grain export 18.The top of pelletizing chamber 19, promptly a section around cutting knife 14 is the sandwich cylinder shape.The barrel interlayer 22 of annular has the end face of two sealings up and down and has water inlet pipe 21, offer several water spray slits 24 therein on the internal layer barrel 23 evenly distributedly, these water spray slits 24 all vertically are provided with along internal layer barrel 23, promptly have the trend parallel with head central shaft 17, they are in same height and position.

Side at each water spray slit 24 is provided with a deflector 20, the inner of this deflector and internal layer barrel 23 one or fix, mezzanine space between deflector and the internal layer barrel 23 is an intake tunnel, the inwall of the center line of this intake tunnel and internal layer barrel 23 is tangent, and is tangent at the inwall of water spray 24 moments of slit and internal layer barrel 23 with the flow direction of current that guarantees to enter from these intake tunnels pelletizing chamber 19.On the other hand, the center circle of the center line of water inlet pipe 21 and barrel interlayer 22 is tangent, and is tangent with the center circle that guarantees to enter from water inlet pipe 21 flow direction of current of barrel interlayer 22 and barrel interlayer 22.The main purpose of these two kinds of tangent designs is that under the equal pressure flow, the water velocity that enters pelletizing chamber 19 reaches maximum.

Embodiment two

Shown in Fig. 4,5, present embodiment comprises kneading extruder 2 and the granulate equipment that has power set 1.Kneading extruder 2 is identical with embodiment one.

As Fig. 1, be connected with distributing valve 3 at the discharge end of kneading extruder 2 with first discharging opening 9 and second discharging opening 8, wherein second discharging opening 8 is connected with extruder 29 in the granulate equipment.Extruder 29 discharge ends connect extrudes excellent cooling bath 27, and the latter connects pellet device 28.

Confected materials at first adds kneading extruder and mediates, steering maneuver device 1 makes the paddle work of mediating, mixed material is carried out first pass to be mediated, material after first pass is mediated is fallen extrusion screw rod 10 places, steering maneuver device 1 makes extrusion screw rod 10 work, and to distributing valve 3, this moment, first discharging opening 9 of distributing valve 3 was open-minded with mass transport, second discharging opening 8 is closed, and the material of discharging from first discharging opening 9 is admitted to the kneading extruder 2 once more by the kneading processing.Circulation aforesaid operations at least twice is closed first discharging opening 9 then, and second discharging opening 8 is open-minded, is sent in the granulate equipment through mediate handling the material that has reached the granulation requirement repeatedly.

Among first embodiment, material is sent to head 11, is extruded from discharge opening 13, and the cutting knife 14 that is rotated at a high speed then is cut into particle.The particle that breaks away from cutting knife 14 has higher movement velocity in the horizontal direction, relies on inertia around head central shaft 17 rotation at a high speed, and has the tendency of the inwall of bump internal layer barrel 23.The high speed rotation water band that the High-Pressure Water that enters from water inlet pipe 21 forms fully cools off the back to these particles and discharges from grain export 18, be transferred (can by blower fan power) in particle drying device 6 by Material pipeline 5, drop in the finished container 7 through the finished particle of super-dry.

Among second embodiment, material is sent to extruder 29, is the pole form after being extruded, and after extruding excellent cooling bath 27 coolings, enters pellet device 28 and implements the pelletizing operation.

Claims

1, a kind of kneading extruding and granulating equipment, comprise kneading extruder (2) and granulate equipment, kneading extruder (2) comprises the kneading paddle that two axial lines is parallel to each other, it is characterized in that: extrusion screw rod (10) is installed on two and mediates under the paddle centre, and the axis of the axis of kneading paddle and extrusion screw rod (10) is parallel to each other;

Be connected with distributing valve (3) with first discharging opening (9) and second discharging opening (8) at the discharge end of kneading extruder (2), wherein second discharging opening (8) is connected with granulate equipment.

2, kneading extruding and granulating equipment according to claim 1, it is characterized in that: described granulate equipment is the pelleter (4) that has water cooling system, pelleter (4) comprises head (11), the cutting knife (14) that is fixed on the material discharging mould (12) on the head (11) and is fixed in head (11) lower end, cutting knife (14) are installed on the head central shaft (17);

Be provided with pelletizing chamber (19) in head (11) below, this upper surface, pelletizing chamber (19) sealing, the lower end has grain export (18); The top of pelletizing chamber (19), promptly a section around cutting knife (14) is the sandwich cylinder shape, the barrel interlayer (22) of annular has the end face of two sealings up and down and has water inlet pipe (21), offer several water spray slits (24) therein on the internal layer barrel (23) evenly distributedly, these water spray slits (24) all vertically are provided with along internal layer barrel (23), promptly have and the parallel trend of head central shaft (17), they are in same height and position.

3, kneading extruding and granulating equipment according to claim 2, it is characterized in that: the side at each water spray slit (24) is provided with a deflector (20), the inner of this deflector and internal layer barrel (23) one or fix, mezzanine space between deflector and the internal layer barrel (23) is an intake tunnel, and the inwall of the center line of this intake tunnel and internal layer barrel (23) is tangent; The center circle of the center line of water inlet pipe (21) and barrel interlayer (22) is tangent.

4, kneading extruding and granulating equipment according to claim 1, it is characterized in that: described granulate equipment is pelletizing, cooling split equipment, and it comprises the extruder (29) that is connected with second discharging opening (8) successively, extrudes excellent cooling bath (27) and pellet device (28).