CN112339163A

CN112339163A - Granulator is used in degradable membrane production

Info

Publication number: CN112339163A
Application number: CN202011122112.6A
Authority: CN
Inventors: 蓝小平
Original assignee: Shenzhen Lyuziran Biodegradation Technology Co ltd
Current assignee: Shenzhen Lyuziran Biodegradation Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-10-20
Publication date: 2021-02-09
Anticipated expiration: 2040-10-20
Also published as: CN112339163B

Abstract

The invention provides a granulator for producing a degradable film, which comprises: the heating and granulating device comprises a fixed seat, wherein a stirring and screening device, a conveying device, a heating and granulating device and a cooling and discharging assembly are arranged on the fixed seat, a first input port of the conveying device is connected with a first output port of the stirring and screening device, a second input port of the heating and granulating device is connected with a second output port of the conveying device, and a third output port of the heating and granulating device is connected with a third input port of the cooling and discharging assembly. The invention is provided with the screening device for stirring and screening, so that the problem that the subsequent heating granulation effect is influenced because the materials poured into the whole heating granulation device are large in size or agglomerate and the like and directly enter the heating granulation box is avoided.

Description

Granulator is used in degradable membrane production

Technical Field

The invention relates to the technical field of granulators, in particular to a granulator for producing a degradable film.

Background

The biodegradable film is a novel plastic film produced to meet the requirement of the society on environmental protection, and is produced by mixing the main raw materials of degradable master batches and plastic particle master batches. The degradation is achieved by using the corrosion of microorganisms in nature on the plastic film or by using the action of solar photooxidation.

The granulator is an auxiliary device which is used for mixing and granulating the raw materials of the biodegradable film in the production and processing process of the biodegradable film and is convenient for film blowing in the later period, and is widely used in the technical field of granulators; the existing granulator (such as CN 209289558U) for producing the degradable film directly enters a heating granulation box before the material enters the heating granulation box for granulation, and a device for stirring the material is not needed, so that the heating granulation effect is influenced.

Disclosure of Invention

The invention provides a granulator for producing a degradable film, which is used for solving the technical problem.

In order to solve the technical problem, the invention discloses a granulator for producing a degradable film, which comprises:

the heating and granulating device comprises a fixed seat, wherein a stirring and screening device, a conveying device, a heating and granulating device and a cooling and discharging assembly are arranged on the fixed seat, a first input port of the conveying device is connected with a first output port of the stirring and screening device, a second input port of the heating and granulating device is connected with a second output port of the conveying device, and a third output port of the heating and granulating device is connected with a third input port of the cooling and discharging assembly.

Preferably, the conveying device includes:

the first fixing support and the second fixing support are fixedly connected to the upper end of the fixing seat;

the lower end of the material conveying shell is fixedly connected to the upper end of the first fixing support, and the upper end of the material conveying shell is provided with the first input port;

the first driving motor is fixedly connected to the upper end of the second fixing support and is positioned on one side of the material conveying shell;

and the material conveying screw is rotatably connected in the material conveying shell and is driven by the first driving motor.

Preferably, the stirring and screening device includes:

the stirring box is fixedly connected to the upper end of the material conveying shell, and the lower end of the stirring box is provided with the first output port;

the peripheral side of the first partition plate is fixedly connected with the peripheral inner wall of the stirring box, and a plurality of filtering holes are formed in the first partition plate;

the first rotating shaft and the second rotating shaft are horizontally arranged in the stirring box at intervals and are positioned above the first partition plate, the first rotating shaft and the second rotating shaft are rotatably connected with the inner wall of the stirring box, stirring blades are arranged on the first rotating shaft and the second rotating shaft, and the stirring blades on the first rotating shaft and the second rotating shaft are arranged in a vertically crossed manner;

the first gear and the second gear are fixedly connected to the first rotating shaft and the second rotating shaft respectively;

the second driving motor is fixedly connected with the outer wall of the stirring box, and an output shaft of the second driving motor extends into the stirring box;

and the third gear is fixedly connected to an output shaft of the second driving motor and is in meshing transmission with the first gear and the second gear respectively.

Preferably, the stirring and screening apparatus further comprises:

a second partition plate disposed below the first partition plate, the second partition plate including: the circle center of the arc-shaped part is positioned above the arc-shaped part; the inner wall of the annular part is fixedly connected with the outer wall of the arc-shaped part, the peripheral side of the outer wall of the annular part is fixedly connected with the peripheral side inner wall of the stirring box, the annular part is parallel to the first partition plate, the first partition plate is horizontally arranged from left to right, and the arc-shaped part is provided with filter holes;

the third driving motor is fixedly connected to the outer side of the stirring box, and an output shaft of the third driving motor extends into the stirring box;

the first rotating rod is parallel to the first partition plate, and one end of the first rotating rod is rotationally connected with an output shaft of the third driving motor;

the upper end of the first connecting rod is connected to the lower end of the first partition plate, the first rotating rod penetrates through the first connecting rod, and the first rotating rod is rotatably connected with the first connecting rod;

the first bevel gear is fixedly connected to one end, far away from the third driving motor, of the first rotating rod;

the rotating shaft is horizontally arranged in front and back, and two ends of the rotating shaft are rotatably connected with two ends of the stirring box;

the second bevel gear is fixedly sleeved on the rotating shaft and fixedly connected with the first bevel gear;

the upper end of the second connecting rod is fixedly connected to the rotating shaft;

and the auxiliary ball head is fixedly connected to the lower end of the second connecting rod and is in contact with the inner lower end of the arc-shaped part.

Preferably, the heating granulation apparatus includes:

the heating granulation box is fixedly connected to the upper end of the fixed seat through a plurality of third fixed supports and is fixedly connected with one side, away from the first driving motor, of the material conveying shell, the second input port is arranged on the side, connected with the material conveying shell, of the heating granulation box, a heating cavity is arranged in the heating granulation box, and the heating cavity is heated by a heating device;

the extrusion screw is arranged in the heating cavity, and one end of the extrusion screw is connected with one end of the material conveying screw, which is far away from the first driving motor;

and the granulating block is connected to one side of the extrusion screw, which is far away from the material conveying screw.

Preferably, the cooling discharge assembly includes:

the output pipe is fixedly connected to a third output port of the heating granulation box;

the cooling box is fixedly connected with one side of the output pipe, which is far away from the third output port;

and the cooling fan is connected in the cooling box.

Preferably, the cooling discharge assembly includes:

the cooling box is fixedly connected with one side of the output pipe, which is far away from the third output port; the granulator for producing the degradable film further comprises a cooling granulation device, wherein the cooling granulation device comprises a honeycomb cooling mechanism, a granulation mechanism and a secondary cooling mechanism, the honeycomb cooling mechanism is arranged in the output pipe, and the granulation mechanism is arranged in the cooling box and is close to the outlet of the output pipe;

the honeycomb cooling mechanism comprises a cooling water cavity and a plurality of molten material forming cavities, wherein the inlet end and the outlet end of the cooling water cavity are respectively connected with an inlet hose and an outlet hose, the other end of the inlet hose is connected with a honeycomb cooling mechanism water inlet, the other end of the outlet hose is connected with a honeycomb cooling mechanism water outlet, the honeycomb cooling mechanism water inlet and the honeycomb cooling mechanism water outlet are both arranged on the output pipe, and the plurality of molten material forming cavities are uniformly arranged on the periphery of the cooling water cavity in two rings;

the secondary cooling mechanism comprises a refrigerating system, and the refrigerating system is arranged in the cooling box and close to the outlet of the cooling fan.

Preferably, the granulating mechanism comprises a fixed plate, a slide rail, a movable slide block, a vertical plate, a large wheel, a first small wheel driving motor, an adjusting ring, a second small wheel driving motor, a hydraulic cylinder, a holding plate, an adjusting rod, an adjusting frame, a placing frame, a granulating motor and a round granulating cutter;

the fixed plate is fixedly connected to the bottom plate of the cooling box, the slide rail is arranged on the fixed plate, the movable slide block is arranged on the slide rail and can slide back and forth on the slide rail, the vertical plate is arranged on the movable slide block, a through hole is formed in the center of the vertical plate, and the large wheel is connected in the through hole through a bearing;

the large wheel is of a hollow structure, four grooves are uniformly formed in one side, close to the outlet of the honeycomb cooling mechanism, of the large wheel along the circumferential direction of the large wheel, four adjusting frames are arranged in the four grooves respectively, the four adjusting frames can slide back and forth in the four grooves, four adjusting rods are hinged to the four adjusting frames respectively, the other ends of the four adjusting rods are connected with the adjusting ring, the four adjusting frames are provided with the placing frames respectively, four granulation motors are arranged on the four placing frames, output shafts of the four granulation motors are connected with four circular granulation cutters in a key mode, the upper end of the large wheel is meshed with the first small wheel, a first small wheel driving motor is arranged on the fixing plate, and the output shaft of the first small wheel driving motor is connected with the first small wheel;

the bull wheel through-hole inner wall is equipped with the adjustable ring, evenly be equipped with four pneumatic cylinders along its circumference direction on the adjustable ring inner wall, the pneumatic cylinder is kept away from one side of adjustable ring inner wall is equipped with embrace the board, the adjustable ring is kept away from one side of honeycomb cooling mechanism evenly is provided with the meshing tooth along its circumference direction, meshing tooth lower extreme with the meshing of second steamboat, the second steamboat sets up the bull wheel is kept away from on the face of one side of honeycomb cooling mechanism export, the bull wheel is kept away from fixedly connected with supporting seat on the face of one side of honeycomb cooling mechanism export, the supporting seat is connected with second steamboat driving motor, second steamboat driving motor output shaft with the second steamboat is connected, is used for the drive the second steamboat rotates.

Preferably, the heating granulation device is provided with a heating extrusion device;

the granulator for producing the degradable film further comprises:

the first temperature sensor is arranged in the heating granulation device and used for detecting the temperature in a heating cavity of the heating granulation device;

the second temperature sensor is arranged at the inlet of the heating granulation device and used for detecting the temperature of the molten material entering the heating granulation device;

the first speed sensor is arranged at the outlet of the heating and granulating device and is used for detecting the speed of the molten material at the outlet of the heating and granulating device;

a second speed sensor disposed at the heated pelletizer inlet for detecting the speed of the molten material at the heated pelletizer inlet;

controller, alarm, the controller with first temperature sensor the second temperature sensor first speed sensor the second speed sensor with the alarm electricity is connected, the controller is based on first temperature sensor the second temperature sensor first speed sensor the second speed sensor the control of second speed sensor the alarm is reported to the police, includes following step:

the method comprises the following steps: calculating a heat flux per unit time of the heated pelletizing device based on the first temperature sensor, the second temperature sensor, the first speed sensor, the second speed sensor, and equation (1):

wherein G is_σIs the heat flux per unit time of the heated granulator, gamma is the thermal conductivity of the molten material of the heated granulator, delta₁Is a detected value of the first temperature sensor, Δ₂The detected value of the second temperature sensor is S, the inner wall area of the heating cavity of the heating granulation device, c, the wall thickness of the heating granulation device, d, the inner diameter of the heating cavity of the heating granulation device, l, the length of the heating cavity of the heating granulation device, ln, a natural logarithm and e, and the value of e is 2.71828; a is the kinetic energy loss coefficient of the material from the inlet of the heating and granulating device to the outlet of the heating and granulating device, v₀Is the first speed sensorV is detected by_iIs the detection value of the second speed sensor, rho is the actual average density of the material, sin is sine, rho₀Presetting the optimal average density of the material, wherein V is the volume of the material after the material is granulated by the heating and granulating device, theta is an included angle between the connecting line of an inlet and an outlet of a heating cavity of the heating and granulating device and the horizontal direction, and g is the gravity acceleration;

step two: calculating an actual melt rate of the heated pelletizer based on step 1, the first speed sensor, the second speed sensor, and equation (2):

wherein μ is the melting rate of the heating granulator, G₀The heat capacity of the molten material is shown as d, the inner diameter of the heating granulation device is shown as L, the length of the heating granulation device is shown as w, the rotating speed of an extrusion driving part of the heating extrusion device is shown as w, and lg is a logarithm taking 10 as a base;

step three: and the controller compares the actual melting rate of the heating granulation device with the minimum melting rate of the heating granulation device, and if the actual melting rate of the heating granulation device is smaller than the minimum melting rate of the heating granulation device, the alarm gives an alarm.

Preferably, the cooling discharge assembly includes:

the upper part of the cooling box is provided with a feed inlet which is fixedly connected with one side of the output pipe, which is far away from the third output port;

a detection device, the detection device comprising:

a first detection panel comprising: the detection device comprises a horizontal plate and inclined plates, wherein the inclined plates are inclined on the peripheral sides of the upper ends of the horizontal plate, the height of each inclined plate is increased from the position close to the horizontal plate to the position far away from the horizontal plate, the inclined plates on the peripheral sides of first detection plates are provided with arc-shaped guide plates, and the horizontal plate is provided with a plurality of first through holes;

a plurality of first drive assemblies disposed on the circumferential side of the lower end of the first detection plate, the first drive assemblies including: one end of the first electric telescopic rod is rotatably connected with the inner wall of the cooling box, and the other end of the first electric telescopic rod is connected with the lower end of the first detection plate; one end of the first spring is fixedly connected with the first electric telescopic rod, and the other end of the first spring is fixedly connected with the inner wall of the cooling box;

the fixed block is fixedly connected to the inner wall of the right end of the cooling box and is positioned at the lower end of the first detection plate, the upper end of the fixed block is an inclined plane with a high left side and a low right side, the lower end of the fixed block is provided with a sliding groove in the front-back direction, and the upper end of the fixed block is provided with a water-cooling heat dissipation layer;

the inclined guide plate is fixedly connected to the inner wall of the left end of the cooling box and is positioned on the left side of the fixed block, and the inclined guide plate is high at the left side and low at the right side;

the periphery of the horizontal mounting plate is fixedly connected with the inner wall of the cooling box, and the inclined guide plate is fixedly connected to the upper end of the horizontal mounting plate;

the first blocking strips are arranged at the upper end of the horizontal mounting plate at even intervals, a plurality of second vertical through holes are further formed in the upper end of the horizontal mounting plate and located between the first blocking strips, the aperture of each second vertical through hole is smaller than that of each first through hole, the first blocking strips are arranged in a front-back mode, a front-back slide way is formed between every two adjacent first blocking strips, a first collecting groove is formed in the cooling box in front of the slide way, a third through hole is formed in the cooling box in front of the slide way, and a second collecting groove is formed below each third through hole;

the upper end of the shell is provided with a driving sliding block which is connected in the sliding groove in a sliding manner, and the shell is driven by a telescopic driving piece to slide in the sliding groove;

the partition plate is fixedly connected in the shell and divides the shell into a first cavity and a second cavity which are distributed up and down;

one end of the first connecting pipe is communicated and connected with the first chamber;

the second connecting pipe and the third connecting pipe are fixedly connected to the cooling box, one end of the second connecting pipe is connected with the other end of the first connecting pipe, and the other end of the second connecting pipe is connected with a pressure fluid source through a fluid delivery pump;

one end of the fourth connecting pipe is communicated with the second chamber, the other end of the fourth connecting pipe is connected with one end of the third connecting pipe, and the third connecting pipe is connected with a cooling air source through an air pump;

the plurality of hollow cylinders are fixedly connected in the second cavity, and the upper ends of the hollow cylinders are opened and communicated with the first cavity; set up second drive assembly in the cavity cylinder, second drive assembly includes: the sealing plate is connected in the hollow column body in a sealing and sliding manner; one end of the vertical connecting rod is fixedly connected with the lower end of the sealing plate, the other end of the vertical connecting rod penetrates through the lower end of the shell, the vertical connecting rod is provided with a first flow passage, and the upper end of the first flow passage is communicated with the second chamber through a second flow passage; the second spring is arranged in the hollow column body, one end of the second spring is fixedly connected with the lower end of the sealing plate, and the other end of the second spring is fixedly connected with the inner wall of the lower end of the hollow column body;

the upper end of the hollow horizontal fixing plate is fixedly connected with the lower end of the vertical connecting rod, a plurality of second electric telescopic rods are uniformly arranged at intervals at the lower end of the hollow horizontal fixing plate, the second electric telescopic rods are positioned above the first baffle strip and positioned right above the second through hole, the hollow horizontal fixing plate is communicated with the lower end of the first flow channel, and a plurality of air outlet holes are formed in the periphery of the hollow horizontal fixing plate;

the distance sensors are arranged at each second electric telescopic rod;

the first chamber is also connected with a fluid discharge pipe, and the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe and the discharge pipe are all provided with electromagnetic valves;

and the controller is electrically connected with the distance sensor, the fluid delivery pump, the air pump, the electromagnetic valve, the first electric telescopic rod and the second electric telescopic rod.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a honeycomb cooling mechanism of the present invention;

FIG. 4 is a schematic view of the mechanism of the honeycomb cooling mechanism of the present invention;

fig. 5 is a schematic view of a first structure of the granulating mechanism of the present invention;

fig. 6 is a schematic view of a second structure of the granulating mechanism of the present invention;

fig. 7 is a side view of a pelletizing mechanism of the present invention.

Fig. 8 is a schematic structural diagram of an embodiment of the detecting device of the present invention.

Fig. 9 is a schematic view of a part a of the hair in fig. 8.

In the figure: 1. a fixed seat; 2. a stirring and screening device; 21. a stirring box; 22. a first partition plate; 23. A first rotating shaft; 231. a stirring blade; 24. a second rotating shaft; 25. a first gear; 26. a second gear; 27. a second drive motor; 28. a third gear; 29. a second partition plate; 291. an arc-shaped portion; 292. an annular portion; 210. a third drive motor; 211. a first rotating lever; 212. a first connecting rod; 213. a first bevel gear; 214. a second bevel gear; 215. a second connecting rod; 216. an auxiliary ball head; 3. a conveying device; 31. a first input port; 32. a first fixed bracket; 33. a second fixed bracket; 33. a feeding shell; 34. A first drive motor; 35. a material conveying screw rod; 4. a heating and granulating device; 41. a second input port; 42. heating a granulation box; 43. extruding a screw; 44. granulating blocks; 45. a third fixed bracket; 5. cooling the discharge assembly; 51. a third input port; 52. an output pipe; 53. a cooling tank; 54. a cooling fan; 6. a cooling granulation device; 61. a honeycomb cooling mechanism; 6100. a cooling water cavity; 6102. an inlet hose; 6103. a water inlet of the honeycomb cooling mechanism; 6104. an outlet hose; 6105. a water outlet of the honeycomb cooling mechanism; 62. a granulation mechanism; 6200. a fixing plate; 6201. a slide rail; 6202. moving the slide block; 6203. a vertical plate; 6204. a bull wheel; 6205. a first small wheel; 6206. a first small wheel drive motor; 6207. an adjusting ring; 6208. a second small wheel; 6209. a second small wheel drive motor; 6210. a hydraulic cylinder; 6211. holding the plate; 6212. adjusting a rod; 6213. an adjusting bracket; 6214. a placement frame; 6215. a granulation motor; 6216. a circular granulating blade; 63. a secondary cooling mechanism; 6301. a refrigeration system; 7. a detection device; 71. a first detection board; 711. a horizontal plate; 712. an inclined plate; 713. an arc-shaped guide plate; 72. a first drive assembly; 721. a first electric telescopic rod; 722. a first spring; 73. a fixed block; 731. driving the slide block; 74. an inclined guide plate; 75. a horizontal mounting plate; 76. a first barrier strip; 77. a housing; 771. a first chamber; 772. a second chamber; 78. a partition plate; 79. a first connecting pipe; 710. a fourth connecting pipe; 720. a hollow cylinder; 7201. a sealing plate; 7202. A vertical connecting rod; 7203. a first flow passage; 7204. a second flow passage; 7205. a second spring; 730. a hollow horizontal fixing plate; 740. and the second electric telescopic rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1:

the embodiment of the invention provides a granulator for producing a degradable film, which comprises the following components as shown in figures 1-2:

fixing base 1, set up stirring and sieving mechanism 2, conveyor 3, heating prilling granulator 4, cooling discharge assembly 5 on the fixing base 1, conveyor 3's first input port 31 with the first delivery outlet of stirring and sieving mechanism 2 is connected, heating prilling mechanism 4's second input port 41 with conveyor 3's second delivery outlet is connected, heating prilling mechanism 4's third delivery outlet with cooling discharge assembly 5 third input port 51 is connected.

The invention is used for granulation in the production process of the biodegradable film, and the biodegradable material used by the biodegradable film can be the existing polylactic acid (PLA) and poly (terephthalic acid) -adipic acid-butanediol ester (PBAT).

The working principle and the beneficial effects of the technical scheme are as follows: when the device is used, the granulation raw materials are stirred and screened by the stirring and screening device, then enter the conveying device, are conveyed to the heating granulation device by the conveying device for heating, melting and granulation, and are rapidly cooled by the cooling discharge assembly after granulation is finished; the heating granulation device is provided with the screening device, and is used for preventing materials poured into the whole heating granulation device from directly entering the heating granulation box to influence the subsequent heating granulation effect after the materials are stirred and screened, wherein the materials are large in size or are agglomerated.

Example 2:

on the basis of example 1;

the conveying device 3 comprises:

the first fixing bracket 32 and the second fixing bracket 33 are fixedly connected to the upper end of the fixing seat 1;

a feeding shell 33, wherein the lower end of the feeding shell 33 is fixedly connected to the upper end of the first fixing bracket 32, and the upper end of the feeding shell 33 is provided with the first input port 31;

the first driving motor 34 is fixedly connected to the upper end of the second fixing bracket 33 and is positioned on one side of the material conveying shell 33;

and the material conveying screw rod 35 is rotatably connected in the material conveying shell 33, and the material conveying screw rod 35 is driven by the first driving motor 34.

The working principle and the beneficial effects of the technical scheme are as follows: the first fixing support and the second fixing support are used for fixing a first driving motor of the shell conveying machine, so that the reliability of the whole device is improved; the material conveying screw is used for inputting the materials which are stirred and screened by the stirring and screening device into the heating granulation box for granulation; the conveying device has the advantage of simple structure.

Example 3:

on the basis of example 1 or 2;

the stirring and screening device 2 includes:

the stirring box 21 is fixedly connected to the upper end of the material conveying shell 33, and the lower end of the stirring box 21 is provided with the first output port;

the peripheral side of the first partition plate 22 is fixedly connected with the peripheral side inner wall of the stirring box 21, and a plurality of filtering holes are formed in the first partition plate;

the stirring device comprises a first rotating shaft 23 and a second rotating shaft 24 which are horizontally arranged in the stirring box 21 at intervals and are both positioned above the first partition plate 22, wherein the first rotating shaft 23 and the second rotating shaft 24 are both rotatably connected with the inner wall of the stirring box 21, stirring blades 231 are both arranged on the first rotating shaft 23 and the second rotating shaft 24, and the stirring blades on the first rotating shaft and the second rotating shaft are arranged in a vertically crossed manner;

a first gear 25 and a second gear 26 fixedly connected to the first rotating shaft 23 and the second rotating shaft 24, respectively;

the second driving motor 27 is fixedly connected with the outer wall of the stirring box 21, and an output shaft of the second driving motor 27 extends into the stirring box 21;

and a third gear 28 fixedly connected to an output shaft of the second driving motor 27, wherein the third gear 28 is in meshing transmission with the first gear 25 and the second gear 26 respectively.

The working principle and the beneficial effects of the technical scheme are as follows: the material enters from a material inlet of the stirring box, and is driven by a second driving motor, the second driving motor respectively drives a first gear and a second gear to be meshed and transmitted through a third gear, so that a first rotating shaft and a second rotating shaft are driven to rotate, the first rotating shaft and the second rotating shaft rotate to drive stirring blades thereon to crush/stir the material, and the crushed/stirred material enters into the conveying device with the size meeting the requirement after being filtered and screened through a filtering hole on a first partition plate; the aforesaid rotates simultaneously through first pivot of second driving motor simultaneous drive and second pivot, and the epaxial stirring vane of first pivot and second is crisscross from top to bottom set up for all set up stirring vane in upper and lower direction and stir, avoid simultaneously setting up a pivot, and need set up whole stirring vane size great in order to stir to the marginal portion, influence stirring vane's structural stability.

Example 4:

on the basis of any of examples 1 to 3, as shown in FIG. 2,

the stirring and screening device 2 further comprises:

a second partition plate 29 disposed below the first partition plate 22, the second partition plate 29 including: an arc-shaped portion 291, the center of the arc-shaped portion 291 being located above the arc-shaped portion 291; the inner wall of the annular part 292 is fixedly connected with the outer wall of the arc-shaped part 291, the peripheral side of the outer wall of the annular part 292 is fixedly connected with the inner wall of the peripheral side of the stirring box 21, the annular part 292 is parallel to the first partition plate 22, the first partition plate 22 is horizontally arranged from left to right, and the arc-shaped part is provided with filtering holes;

the third driving motor 210 is fixedly connected to the outer side of the stirring box 21, and an output shaft of the third driving motor 210 extends into the stirring box 21;

a first rotating rod 211 parallel to the first dividing plate 22, wherein one end of the first rotating rod 211 is rotatably connected to an output shaft of the third driving motor 210;

a first connecting rod 212, the upper end of which is connected to the lower end of the first dividing plate 22, the first rotating rod 211 penetrates through the first connecting rod 212, and the first rotating rod 211 is rotatably connected with the first connecting rod 212; preferably, the first rotating rod can be horizontally arranged, the first connecting rod is provided with a horizontal through hole, and the first rotating rod is rotatably connected in the horizontal through hole; optionally, the first connecting rod may be hinged to the lower end of the first partition plate, the first rotating rod is in the form of a crank, and the first connecting rod is sleeved in the middle of the crank to realize intermittent driving;

a first bevel gear 213 fixedly connected to one end of the first rotating rod 211 far from the third driving motor 210;

the rotating shaft is horizontally arranged in front and back, and two ends of the rotating shaft are rotatably connected with two ends of the stirring box 21;

a second bevel gear 214 fixedly sleeved on the rotating shaft, wherein the second bevel gear 214 is fixedly connected with the first bevel gear 213;

a second connecting rod 215 having an upper end fixedly connected to the rotating shaft; preferably, the second connecting rod can be an electric telescopic rod;

and an auxiliary ball 216 fixedly connected to a lower end of the second connecting rod 215, wherein the auxiliary ball 216 is in contact with an inner lower end of the arc 291. Preferably, the auxiliary ball head can be also provided with bristles to clean the filter plate and further prevent blockage;

the working principle and the beneficial effects of the technical scheme are as follows: filtered material of filtration pore on first division board falls to the second division board, filter the problem when first division board, the material that leads to bulky material or caking falls to the second division board, block through the second division board, in order to avoid bulky material or caking material to block up the second division board, set up above-mentioned supplementary bulb, rotate through third driving motor, drive first pivot pole and rotate, first pivot pole rotates and drives the rotation axis rotation through first bevel gear and second bevel gear, when the rotation axis rotates, when the second connecting rod rotates, supplementary bulb on it rolls the crushing to the bulky material in the arc portion, be convenient for bulky material filters from the filtration pore on the second division board, avoid blocking up the second division board.

Above-mentioned technical scheme's setting realizes getting into conveyor after being convenient for material intensive mixing/breakage, and the double-deck screening of above-mentioned first division board and second division board is convenient for elect suitable material to be convenient for follow-up melting granulation.

Example 5:

on the basis of any of embodiments 1 to 4, the heating granulation apparatus 4 includes:

the heating granulation box 42 is fixedly connected to the upper end of the fixed seat 1 through a plurality of third fixing supports 45 and is fixedly connected with one side, far away from the first driving motor 34, of the material conveying shell 33, the second input port 41 is arranged on the side, connected with the material conveying shell 33, of the heating granulation box 42, a heating cavity is arranged in the heating granulation box 42, and the heating cavity is heated by a heating device;

the extrusion screw 43 is arranged in the heating cavity, and one end of the extrusion screw 43 is connected with one end of the material conveying screw 35, which is far away from the first driving motor 34;

a granulation block (which may be an existing granulation tray) 44 is attached to the side of the extrusion screw 43 remote from the feed screw 35.

The working principle and the beneficial effects of the technical scheme are as follows: the heating device heats the heating chamber, so that the materials are in a molten state, enter the granulating block through the extrusion screw and are extruded and molded. The heating granulating device has the advantage of simple structure.

Example 6:

on the basis of any of embodiments 1 to 5, the cooling discharge assembly 5 includes:

an output pipe 52 fixedly connected to a third output port of the heating granulation box 42;

the cooling box 53 is fixedly connected with one side of the output pipe 52 far away from the third output port;

and a cooling fan 54 connected to the inside of the cooling tank 53. Preferably, the output pipe is also a water cooling pipe, so that the quick cooling is facilitated;

the working principle and the beneficial effects of the technical scheme are as follows: the granulated material enters the cooling box through the output pipe 52 to be cooled, so that the granulated material is convenient for subsequent utilization.

Example 7:

the granulator for producing the degradable film further comprises a cooling granulation device 6, wherein the cooling granulation device 6 comprises a honeycomb cooling mechanism 61, a granulation mechanism 62 and a secondary cooling mechanism 63, the honeycomb cooling mechanism 61 is arranged in the output pipe 52, and the granulation mechanism 62 is arranged in the cooling tank 53 and is close to the outlet of the output pipe 52;

the honeycomb cooling mechanism 61 comprises a cooling water cavity 6100 and a plurality of molten material forming cavities 6101, an inlet end and an outlet end of the cooling water cavity 6100 are respectively connected with an inlet hose 6102 and an outlet hose 6104, the other end of the inlet hose 6102 is connected with a honeycomb cooling mechanism water inlet 6103, the other end of the outlet hose 6104 is connected with a honeycomb cooling mechanism water outlet 6105, the honeycomb cooling mechanism water inlet 6103 and the honeycomb cooling mechanism water outlet 6105 are both arranged on the output pipe 52, and the plurality of molten material forming cavities 6101 are evenly arranged at the periphery of the cooling water cavity 6100 in two rings;

the secondary cooling mechanism 63 comprises a refrigerating system 6301, and the refrigerating system 6301 is arranged in the cooling box 53 and close to the outlet of the cooling fan 54.

The working principle and the beneficial effects of the technical scheme are as follows: the molten material is extruded from the heating granulation device 4 and then enters the cooling granulation device 6, and is divided into a plurality of columnar molten materials by the molten material forming cavity 6101, tap water is introduced into the water inlet end of the cooling water cavity 6100, the plurality of columnar molten materials are preliminarily shaped under the action of the tap water in the cooling water cavity 6100, the subsequent granulating mechanism 62 is convenient to shear the columnar molten materials, the columnar molten materials fall into the cooling tank 53 after being sheared, the cooling water chamber 6100 is designed to facilitate the subsequent shearing of the columnar molten material after the cooling is completed by the refrigeration system 6301 and the cooling fan 54, so that when the granulation mechanism 62 shears the columnar molten material, the columnar molten material does not stick to the granulating mechanism 62, improving the production efficiency of the granulator.

Example 8:

on the basis of any of embodiment 7, the granulating mechanism 62 includes a fixed plate 6200, a slide rail 6201, a moving slider 6202, a vertical plate 6203, a large wheel 6204, a first small wheel 6205, a first small wheel drive motor 6206, an adjusting ring 6207, a second small wheel 6208, a second small wheel drive motor 6209, a hydraulic cylinder 6210, a holding plate 6211, an adjusting rod 6212, an adjusting frame 6213, a mount frame 6214, a granulating motor 6215, and a circular granulating knife 6216;

the fixed plate 6200 is fixedly connected to the bottom plate of the cooling box 53, the sliding rail 6201 is arranged on the fixed plate 6200, the moving slider 6202 is arranged on the sliding rail 6201, the moving slider 6202 can slide on the sliding rail 6201 back and forth, the vertical plate 6203 is arranged on the moving slider 6202, a through hole is arranged in the center of the vertical plate 6203, and the large wheel 6204 is connected in the through hole through a bearing;

the big wheel 6204 is of a hollow structure, four grooves are uniformly arranged on one side of the big wheel 6204 close to the outlet of the honeycomb cooling mechanism 61 along the circumferential direction of the big wheel, the four grooves are respectively provided with the four adjusting brackets 6213, the four adjusting brackets 6213 can slide back and forth in the four grooves, the four adjusting brackets 6213 are respectively hinged with four adjusting rods 6212, the other ends of the four adjusting rods 6212 are connected with the adjusting ring 6207, the four adjusting brackets 6213 are all provided with the mounting brackets 6214, four granulation motors 6215 are arranged on the four mounting frames 6214, the output shafts of the four granulation motors 6215 are all connected with the four round granulation blades 6216 through keys, the upper end of the big wheel 6204 is engaged with the first small wheel 6205, the fixed plate 6200 is provided with the first small wheel driving motor 6206, an output shaft of the first small wheel driving motor 6206 is connected with the first small wheel 6205;

big wheel 6204 through-hole inner wall is equipped with adjustable ring 6207, evenly be equipped with four pneumatic cylinders 6210 along its circumferential direction on the adjustable ring 6207 inner wall, pneumatic cylinder 6210 is kept away from one side of adjustable ring 6207 inner wall is equipped with embrace board 6211, adjustable ring 6207 is kept away from one side of honeycomb cooling mechanism 61 evenly is provided with the meshing tooth along its circumferential direction, the meshing tooth lower extreme with the meshing of second steamboat 6208, second steamboat 6208 sets up big wheel 6204 is kept away from on the face of one side of honeycomb cooling mechanism 61 export, big wheel 6204 is kept away from fixedly connected with supporting seat on the face of one side of honeycomb cooling mechanism 61 export, the supporting seat is connected with second steamboat driving motor 6209, second steamboat driving motor 6209 output shaft with second steamboat 6208 is connected for the drive second steamboat 6208 rotates.

The working principle and the beneficial effects of the technical scheme are as follows: when the columnar molten material is extruded from the cooling and pelletizing device 6 and passes through the center hole of the pelletizing mechanism 62, the four hydraulic cylinders 6210 drive the holding plate 6211 to slightly hold the extruded columnar molten material, after the moving slide block 6202 drives the vertical plate 6203 to move to a specified position, the second small wheel driving motor 6209 drives the second small wheel 6208 to rotate, the second small wheel 6208 drives the adjusting ring 6207 engaged therewith to rotate, during the rotation of the adjusting ring 6207, the angles of the four adjusting frames 6213 and the adjusting ring 6207 are changed, so as to drive the four adjusting frames 6213 to slide in the groove, when the cutting edge of the circular pelletizing knife 6216 is tightly attached to the surface of the rubber hose, the mutual cooperation of the first small wheel driving motor 6206, the first small wheel 6205 and the large wheel 6204 drives the circular pelletizing knife 6216 to cut the columnar molten material into small segments, the angles of the four adjusting brackets 6213 and the adjusting ring 6207 are variable, so that the shearing of the columnar molten material is more comprehensive, and the design of the second small wheel driving motor 6209, the second small wheel 6208 and the adjusting ring 6207 reduces the manpower consumption and improves the working efficiency of the granulating mechanism 62.

Example 9:

on the basis of any one of embodiments 1 to 8, the heating and granulating device 4 is provided with a heating and extruding device;

the granulator for producing the degradable film further comprises:

a first temperature sensor, which is arranged in the heating granulation device 4 and is used for detecting the temperature in a heating cavity of the heating granulation device 4;

a second temperature sensor, which is arranged at an inlet of the heating and granulating device 4, and is used for detecting the temperature of the molten material entering the heating and granulating device 4;

a first speed sensor, arranged at the outlet of the heating and granulating device 4, for detecting the speed of the molten material at the outlet of the heating and granulating device 4;

a second speed sensor, provided at the inlet of the heated granulation device 4, for detecting the speed of the molten material at the inlet of the heated granulation device 4;

the method comprises the following steps: calculating a heat flux (flow rate) per unit time of the heating and granulating device 4 based on the first temperature sensor, the second temperature sensor, the first speed sensor, the second speed sensor, and formula (1):

wherein G is_σFor the heating granulation deviceA heat flux per unit time of 4 [ gamma ] is a thermal conductivity of the molten material of the heating and granulating apparatus 4 [ delta ]₁Is a detected value of the first temperature sensor, Δ₂The detected value of the second temperature sensor is S, the inner wall area of the heating cavity of the heating granulation device 4, c, the wall thickness of the heating granulation device 4, d, the inner diameter of the heating cavity of the heating granulation device 4, l, the length of the heating cavity of the heating granulation device 4, ln, a natural logarithm and e, and the value of the constant is 2.71828; a is the kinetic energy loss coefficient (value is more than 0 and less than 1) of the material from the inlet of the heating granulation device 4 to the outlet of the heating granulation device 4, v is₀Is a detected value of the first speed sensor, v_iIs the detection value of the second speed sensor, rho is the actual average density of the material, sin is sine, rho₀Presetting the optimal average density of the material, wherein V is the volume of the material after the material is granulated by the heating and granulating device 4, theta is an included angle between a connecting line of an inlet and an outlet of a heating cavity of the heating and granulating device 4 and the horizontal direction, and g is the gravity acceleration (the value can be 9.8);

step two: calculating the actual melting rate of the heated granulation apparatus 4 based on step 1, the first speed sensor, the second speed sensor, and equation (2):

wherein μ is the melting rate of the heating granulator 4, G₀D is the inner diameter of the heating granulation device 4, L is the length of the heating granulation device 4, w is the rotation speed of an extrusion driving part (which can be the rotation speed of the extrusion screw) of the heating extrusion device, and lg is the logarithm with the base of 10;

step three: and the controller compares the actual melting rate of the heating granulation device 4 with the minimum melting rate of the heating granulation device 4, and if the actual melting rate of the heating granulation device 4 is smaller than the minimum melting rate of the heating granulation device 4, the alarm gives an alarm.

The working principle and the beneficial effects of the technical scheme are as follows:

the first temperature sensor is used for detecting the temperature in the heating cavity of the heating granulation device 4; the second temperature sensor is used for detecting the temperature of the molten material entering the heating and granulating device 4; the first speed sensor is used for detecting the speed of the molten material at the outlet of the heating and granulating device 4; the second speed sensor is used for detecting the speed of the molten material at the inlet of the heating and granulating device 4, and the controller controls the alarm to give an alarm based on the first temperature sensor, the second temperature sensor, the first speed sensor and the second speed sensor, and specifically comprises the following steps:

calculating a heat flux per unit time of the heated granulating device 4 based on the first temperature sensor, the second temperature sensor, the first speed sensor, the second speed sensor, and equation (1):

then, the melting rate of the heating granulation device 4 is calculated according to the first speed sensor, the second speed sensor and a formula (2), finally, the controller compares the actual melting rate of the heating granulation device 4 with the minimum value of the melting rate of the heating granulation device 4, if the actual melting rate of the heating granulation device 4 is smaller than the minimum value of the melting rate of the heating granulation device 4, the alarm gives an alarm to remind a worker to adjust the heating temperature of the heating granulation device 4, and the influence on the melting effect is avoided;

the difference value of the detection value of the first temperature sensor and the detection value of the second temperature sensor is introduced into the formula (1) to calculate the heat flow rate of the heating granulation device 4 per unit time, so that the calculation result is more accurate, and the d and the L of the heating granulation device 4 are introduced to make the calculated heat flow rate of the heating granulation device 4 per unit time more targeted and reliable, and in addition, the kinetic energy loss coefficient (including friction loss) of the material from the inlet of the heating granulation device 4 to the outlet of the heating granulation device 4, the speed of the molten material at the inlet of the heating granulation device 4, the speed of the molten material at the outlet of the heating granulation device 4, the comparison of the actual average density and the optimal average density of the material, the volume of the material after granulation of the material by the heating granulation device 4, the temperature of the material, The influence of the included angle between the connecting line of the inlet and the outlet of the heating cavity of the heating granulation device 4 and the horizontal direction on the movement of the material is introduced, and the calculation result is more reliable by introducing the factors; the speed of the molten material at the inlet of the heating and granulating device 4 is introduced by the formula (2), and the calculated melting rate of the heating and granulating device 4 is more practical, real and reliable by comparing the speed of the molten material at the outlet of the heating and granulating device 4 with the rotating speed of the heating and extruding device.

Example 10:

as shown in fig. 8-9

On the basis of any of embodiments 1 to 9, the cooling discharge assembly 5 includes:

a cooling tank 53, the upper part of which is provided with a feed inlet, the feed inlet is fixedly connected with one side of the output pipe 52 far away from the third output port;

a detection device 7, comprising:

a first detection panel 71 comprising: a horizontal plate 711 and an inclined plate 712 which is inclined at the upper end peripheral side of the horizontal plate 711, wherein the height of the inclined plate 712 increases from the position close to the horizontal plate 711 to the position far from the horizontal plate 711, the inclined plates 712 at the peripheral side of the first detection plate 71 are provided with arc-shaped guide plates 713, and the horizontal plate 711 is provided with a plurality of first through holes;

a plurality of first driving units 72 disposed on a lower end peripheral side of the first detecting plate 71, the first driving units 72 including: a first electric telescopic rod 721, one end of which is rotatably connected to the inner wall of the cooling box 53 and the other end of which is connected (rotatably or slidably connected) to the lower end of the first detection plate 71; one end of the first spring 722 is fixedly connected to the first electric telescopic rod 721, and the other end is fixedly connected to the inner wall of the cooling box 53;

the fixed block 73 is fixedly connected to the inner wall of the right end of the cooling box 53 and is positioned at the lower end of the first detection plate 71, the upper end of the fixed block 73 is an inclined plane with a higher left part and a lower right part, the lower end of the fixed block 73 is provided with a sliding groove in the front-back direction, and the upper end of the fixed block 73 is provided with a water-cooling heat dissipation layer;

an inclined guide plate 74 fixedly connected to the inner wall of the left end of the cooling box 53 and positioned on the left side of the fixed block 73, wherein the inclined guide plate 74 is high on the left side and low on the right side;

a horizontal mounting plate 75, the peripheral side of which is fixedly connected with the inner wall of the cooling box 53, and the inclined guide plate 74 is fixedly connected with the upper end of the horizontal mounting plate 75;

the first blocking strips 76 are arranged at the upper end of the horizontal mounting plate 75 at even intervals, a plurality of second vertical through holes are further formed in the upper end of the horizontal mounting plate 75 and located between the first blocking strips 76, the aperture of each second vertical through hole is smaller than that of each first through hole, the first blocking strips are arranged in a front-back mode, a front-back slide way is formed between every two adjacent first blocking strips, a first collecting groove is formed in the cooling box in front of the slide way, a third through hole is formed in the cooling box in front of the slide way, and a second collecting groove is formed below the third through hole;

a housing 77, wherein a driving slider is disposed at an upper end of the housing 77, the driving slider is slidably connected in the chute, and the housing 77 is driven by a telescopic driving member (such as an electric telescopic rod, an air cylinder or a hydraulic cylinder) to slide in the chute;

a partition plate 78 fixedly connected in the housing 77, dividing the housing 77 into a first chamber 771 and a second chamber 772 distributed up and down;

a first connection tube 79 having one end connected to the first chamber 771 in communication;

the second connecting pipe and the third connecting pipe are fixedly connected to the cooling tank 53, one end of the second connecting pipe is connected with the other end of the first connecting pipe 79, and the other end of the second connecting pipe is connected with a pressure fluid source through a fluid delivery pump;

a fourth connection pipe 710 having one end connected to the second chamber 772 and the other end connected to one end of the third connection pipe, the third connection pipe being connected to a cooling air source through an air pump;

a plurality of hollow cylinders 720 fixedly connected in the second chamber 772, wherein the upper ends of the hollow cylinders 720 are open and communicated with the first chamber 771; a second drive assembly is disposed within the hollow cylinder 720, the second drive assembly comprising: a sealing plate 7201 hermetically slidably coupled in the hollow cylinder 720; one end of the vertical connecting rod 7202 is fixedly connected with the lower end of the sealing plate 7201, the other end of the vertical connecting rod 7202 penetrates through the lower end of the shell 77, the vertical connecting rod 7202 is provided with a first flow passage 7203, and the upper end of the first flow passage 7203 is communicated with the second chamber 772 through a second flow passage 7204; a second spring 7205 disposed in the hollow cylinder 720, one end of the second spring being fixedly connected to the lower end of the sealing plate 7201, and the other end of the second spring being fixedly connected to the inner wall of the lower end of the hollow cylinder 720;

the upper end of the hollow horizontal fixing plate 7306 is fixedly connected with the lower end of the vertical connecting rod 7202, a plurality of second electric telescopic rods 740 are uniformly arranged at intervals at the lower end of the hollow horizontal fixing plate 7306, the second electric telescopic rods 740 are positioned right above the first barrier strips 76 and positioned at the second through holes, the hollow horizontal fixing plate 7306 is communicated with the lower end of the first flow channel 7203, and a plurality of air outlet holes are arranged on the periphery of the hollow horizontal fixing plate 7306;

a plurality of distance sensors disposed at each second electric telescopic rod 740;

the first chamber 771 is further connected with a fluid discharge pipe (for discharging fluid and relieving pressure), and the first connecting pipe 79, the second connecting pipe, the third connecting pipe, the fourth connecting pipe 710 and the discharge pipe are all provided with electromagnetic valves;

The working principle and the beneficial effects of the technical scheme are as follows: the granulated material enters a cooling box through an output pipe, first dimension detection is carried out through a first detection plate, so that the material with the dimension smaller than that of a first through hole falls to the upper end of a fixed block through the first through hole (preferably, the first detection plate enables most of the material to be uniformly through holes, the first through holes are mainly formed to enable material particles to be dispersed into the first fixed block, accumulation is avoided), and when the granulated material is detected through the first detection plate, a controller controls a first electric telescopic rod to stretch continuously, so that the material is accelerated to fall from the first through hole through shaking; the materials falling onto the fixed block firstly dissipate heat for the first time through the water-cooling heat dissipation layer of the materials on the fixed block, then fall between the first barrier strips under the buffer guiding action of the inclined guide plate, and the materials with the size smaller than that of the second vertical through hole fall into a fourth cavity on the front side below the horizontal mounting plate;

the first barrier strips are arranged in the front and back direction, a slide way in the front and back direction is formed between the adjacent first barrier strips, cooling air is input through an air pump by opening electromagnetic valves on a fourth connecting pipe and a third connecting pipe, enters a second cavity, enters a second flow passage through a first flow passage and then enters air holes of the hollow horizontal fixing plate to be discharged, particles on the horizontal mounting plate are cooled for the second time, the electromagnetic valves on the first connecting pipe and the second connecting pipe are opened after cooling, pressure fluid is conveyed to the first cavity through a fluid conveying pump, the pressure fluid enters the hollow cylinder through the first cavity to push the sealing plate and the vertical connecting rod on the sealing plate to move downwards, so that the hollow horizontal fixing plate on the vertical connecting rod drives the second electric telescopic rod to be close to the horizontal mounting plate, the controller controls the distance sensors to detect, when the detection value of any one of the distance sensors is larger than a preset value (which indicates that material particles are greatly blocked on, the controller controls the corresponding electric telescopic rods to contract and controls other second electric telescopic rods to extend, then the controller controls the telescopic driving piece to drive the shell to integrally slide leftwards, and the other electric telescopic rods push the material particles with the size meeting the composite requirements in the corresponding sliding to move forwards from the back to the first collecting tank in front of the slideway on the inner wall of the cooling box;

then, the controller controls the telescopic driving piece to drive the shell to integrally return, then controls the corresponding electric telescopic rod to extend, pushes the materials with larger particles in the corresponding sliding to move forwards from the back, and leads the materials to a third through hole above a second collecting tank in front of a slideway on the inner wall of the cooling box, so that the telescopic driving piece stops working, then controls the fluid pump to further introduce fluid into the hollow cylinder, and under the action of fluid pressure, the first electric telescopic rod integrally extrudes and crushes the materials with larger particles downwards, and then the materials fall into the second collecting tank for subsequent secondary utilization; then the effect of fluid pump can avoid each electric telescopic handle extension of independent control, and it is more convenient to control, and through pressure fluid pressure boost, is convenient for reliably impress in the second collecting vat.

Summarizing, the technical scheme is convenient for grading the material particles with different sizes, and avoids the tedious process of detecting single materials one by one; and secondary heat dissipation is realized, and quick heat dissipation is facilitated.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A granulator for producing a degradable film is characterized by comprising:

fixing base (1), set up stirring and sieving mechanism (2), conveyor (3), heating prilling granulator (4), cooling discharge subassembly (5) on fixing base (1), first input port (31) of conveyor (3) with the first delivery outlet of stirring and sieving mechanism (2) is connected, second input port (41) of heating prilling mechanism (4) with the second delivery outlet of conveyor (3) is connected, the third delivery outlet of heating prilling mechanism (4) with third input port (51) of cooling discharge subassembly (5) are connected.

2. A granulator for the production of degraded films according to claim 1, characterized in that said conveying means (3) comprise:

the first fixing support (32) and the second fixing support (33) are fixedly connected to the upper end of the fixing seat (1);

the lower end of the material conveying shell (33) is fixedly connected to the upper end of the first fixing support (32), and the upper end of the material conveying shell (33) is provided with the first input port (31);

the first driving motor (34) is fixedly connected to the upper end of the second fixing support (33) and is positioned on one side of the material conveying shell (33);

and the material conveying screw rod (35) is rotatably connected in the material conveying shell (33), and the material conveying screw rod (35) is driven by the first driving motor (34).

3. A granulator for producing degraded films according to claim 2, characterized in that said stirring and screening device (2) comprises:

the stirring box (21) is fixedly connected to the upper end of the material conveying shell (33), and the lower end of the stirring box (21) is provided with the first output port;

the peripheral side of the first partition plate (22) is fixedly connected with the peripheral side inner wall of the stirring box (21), and a plurality of filtering holes are formed in the first partition plate (22);

the stirring device comprises a first rotating shaft (23) and a second rotating shaft (24), wherein the first rotating shaft (23) and the second rotating shaft (24) are horizontally arranged in the stirring box (21) at intervals and are both positioned above the first partition plate (22), the first rotating shaft (23) and the second rotating shaft (24) are both rotatably connected with the inner wall of the stirring box (21), stirring blades (231) are both arranged on the first rotating shaft (23) and the second rotating shaft (24), and the stirring blades (231) on the first rotating shaft (23) and the second rotating shaft (24) are vertically crossed;

the first gear (25) and the second gear (26) are respectively and fixedly connected to the first rotating shaft (23) and the second rotating shaft (24);

the second driving motor (27) is fixedly connected with the outer wall of the stirring box (21), and an output shaft of the second driving motor (27) extends into the stirring box (21);

and the third gear (28) is fixedly connected to an output shaft of the second driving motor (27), and the third gear (28) is in meshing transmission with the first gear (25) and the second gear (26) respectively.

4. A granulator for producing degraded films according to claim 3, characterized in that said stirring and screening device (2) further comprises:

a second partition plate (29) disposed below the first partition plate (22), the second partition plate (29) including: an arc-shaped part (291), wherein the circle center of the arc-shaped part (291) is positioned above the arc-shaped part (291); the inner wall of the annular part (292) is fixedly connected with the outer wall of the arc-shaped part (291), the peripheral side of the outer wall of the annular part (292) is fixedly connected with the peripheral side inner wall of the stirring box (21), the annular part (292) is parallel to the first partition plate (22), the first partition plate (22) is horizontally arranged from left to right, and the arc-shaped part (291) is provided with filtering holes;

the third driving motor (210) is fixedly connected to the outer side of the stirring box (21), and an output shaft of the third driving motor (210) extends into the stirring box (21);

the first rotating rod (211) is parallel to the first partition plate (22), and one end of the first rotating rod (211) is rotatably connected with an output shaft of the third driving motor (210);

the upper end of the first connecting rod (212) is connected to the lower end of the first partition plate (22), the first rotating rod (211) penetrates through the first connecting rod (212), and the first rotating rod (211) is rotatably connected with the first connecting rod (212);

the first bevel gear (213) is fixedly connected to one end, far away from the third driving motor (210), of the first rotating rod (211);

the rotating shaft is horizontally arranged in front and back, and two ends of the rotating shaft are rotatably connected with two ends of the stirring box (21);

the second bevel gear (214) is fixedly sleeved on the rotating shaft, and the second bevel gear (214) is fixedly connected with the first bevel gear (213);

a second connecting rod (215) having an upper end fixedly connected to the rotating shaft;

and the auxiliary ball head (216) is fixedly connected to the lower end of the second connecting rod (215), and the auxiliary ball head (216) is in contact with the inner lower end of the arc-shaped part (291).

5. The pelletizer for producing degradable film according to claim 2,

the heating granulation device (4) comprises:

the heating granulation box (42) is fixedly connected to the upper end of the fixing seat (1) through a plurality of third fixing supports (45) and is fixedly connected with one side, away from the first driving motor (34), of the material conveying shell (33), the second input port (41) is arranged on one side, connected with the material conveying shell (33), of the heating granulation box (42), a heating cavity is arranged in the heating granulation box (42), and the heating cavity is heated by a heating device;

the extrusion screw (43) is arranged in the heating cavity, and one end of the extrusion screw (43) is connected with one end, far away from the first driving motor (34), of the material conveying screw (35);

and the granulating block (44) is connected to one side of the extrusion screw (43) far away from the material conveying screw (35).

6. A granulator for the production of degraded films according to claim 1, characterized in that said cooling discharge assembly (5) comprises:

an output pipe (52) fixedly connected to a third output port of the heating granulation box (42);

the cooling box (53) is fixedly connected with one side of the output pipe (52) far away from the third output port;

and a cooling fan (54) connected to the inside of the cooling tank (53).

7. The pelletizer for producing degradable film according to claim 6,

the cooling discharge assembly (5) comprises:

the cooling box (53) is fixedly connected with one side of the output pipe (52) far away from the third output port; the granulator for producing the degradable film further comprises a cooling granulation device (6), wherein the cooling granulation device (6) comprises a honeycomb cooling mechanism (61), a granulation mechanism (62) and a secondary cooling mechanism (63), the honeycomb cooling mechanism (61) is arranged in the output pipe (52), and the granulation mechanism (62) is arranged in the cooling box (53) and is close to the outlet of the output pipe (52);

the honeycomb cooling mechanism (61) comprises a cooling water cavity (6100) and a plurality of molten material forming cavities (6101), the inlet end and the outlet end of the cooling water cavity (6100) are respectively connected with an inlet hose (6102) and an outlet hose (6104), the other end of the inlet hose (6102) is connected with a honeycomb cooling mechanism water inlet (6103), the other end of the outlet hose (6104) is connected with a honeycomb cooling mechanism water outlet (6105), the honeycomb cooling mechanism water inlet (6103) and the honeycomb cooling mechanism water outlet (6105) are both arranged on the output pipe (52), and the plurality of molten material forming cavities (6101) are uniformly arranged at the periphery of the cooling water cavity (6100) in two rings;

the secondary cooling mechanism (63) comprises a refrigerating system (6301), and the refrigerating system (6301) is arranged in the cooling box (53) and close to the outlet of the cooling fan (54).

8. A granulator for producing degraded film according to claim 7, wherein the granulating mechanism (62) comprises a fixed plate (6200), a slide rail (6201), a moving slider (6202), a vertical plate (6203), a large wheel (6204), a first small wheel (6205), a first small wheel driving motor (6206), an adjusting ring (6207), a second small wheel (6208), a second small wheel driving motor (6209), a hydraulic cylinder (6210), a holding plate (6211), an adjusting rod (6212), an adjusting frame (6213), a mounting frame (6214), a granulating motor (6215), and a circular granulating knife (6216);

the fixed plate (6200) is fixedly connected to a bottom plate of the cooling box (53), the fixed plate (6200) is provided with the slide rail (6201), the slide rail (6201) is provided with the movable slide block (6202), the movable slide block (6202) can slide on the slide rail (6201) back and forth, the movable slide block (6202) is provided with the vertical plate (6203), the center of the vertical plate (6203) is provided with a through hole, and the through hole is connected with the large wheel (6204) through a bearing;

the big wheel (6204) is of a hollow structure, four grooves are uniformly formed in one side, close to the outlet of the honeycomb cooling mechanism (61), of the big wheel (6204) along the circumferential direction of the big wheel, the four adjusting frames (6213) are arranged in the four grooves respectively, the four adjusting frames (6213) can slide back and forth in the four grooves, the four adjusting frames (6213) are respectively hinged with the four adjusting rods (6212), the other ends of the four adjusting rods (6212) are connected with the adjusting ring (6207), the four adjusting frames (6213) are respectively provided with the mounting frame (6214), the four mounting frames (6214) are provided with the four granulating motors (6215), output shafts of the four granulating motors (6215) are connected with the four circular granulating knives (6216) in a key mode, and the upper end of the big wheel (6204) is meshed with the first small wheel (6205), the fixed plate (6200) is provided with the first small wheel driving motor (6206), and an output shaft of the first small wheel driving motor (6206) is connected with the first small wheel (6205);

the inner wall of a through hole of the big wheel (6204) is provided with the adjusting ring (6207), the inner wall of the adjusting ring (6207) is uniformly provided with four hydraulic cylinders (6210) along the circumferential direction, one side of the hydraulic cylinder (6210) far away from the inner wall of the adjusting ring (6207) is provided with the holding plate (6211), one side of the adjusting ring (6207) far away from the honeycomb cooling mechanism (61) is uniformly provided with meshing teeth along the circumferential direction, the lower ends of the meshing teeth are meshed with the second small wheel (6208), the second small wheel (6208) is arranged on the surface of one side of the big wheel (6204) far away from the outlet of the honeycomb cooling mechanism (61), the surface of one side of the big wheel (6204) far away from the outlet of the honeycomb cooling mechanism (61) is fixedly connected with a supporting seat, the supporting seat is connected with the second small wheel driving motor (6209), the output shaft of the second small wheel driving motor (6209) is connected with the second small wheel (6208), for driving the second small wheel (6208) in rotation.

9. A granulator for producing degraded films according to claim 1, characterized in that said heating and granulating device (4) is provided with a heating and extruding device;

the granulator for producing the degradable film further comprises:

the first temperature sensor is arranged in the heating granulation device (4) and is used for detecting the temperature in a heating cavity of the heating granulation device (4);

a second temperature sensor arranged at an inlet of the heating and granulating device (4) for detecting the temperature of the molten material entering the heating and granulating device (4);

a first speed sensor arranged at the outlet of the heating and granulating device (4) and used for detecting the speed of the molten material at the outlet of the heating and granulating device (4);

a second speed sensor, arranged at the inlet of the heated granulation device (4), for detecting the speed of the molten material at the inlet of the heated granulation device (4);

the method comprises the following steps: calculating a heat flux per unit time of the heated pelletizing device (4) based on the first temperature sensor, the second temperature sensor, the first speed sensor, the second speed sensor and equation (1):

wherein G is_σIs the heat flux per unit time of the heating and granulating device (4), gamma is the heat conductivity of the molten material of the heating and granulating device (4), delta₁Is a detected value of the first temperature sensor, Δ₂The detected value of the second temperature sensor is S, the inner wall area of the heating cavity of the heating granulation device (4), the wall thickness of the heating granulation device (4), the inner diameter of the heating cavity of the heating granulation device (4), the length of the heating cavity of the heating granulation device (4), ln is a natural logarithm, and e is a natural constant, and the value is 2.71828; a is the material at the inlet from the heated granulating device (4) to the heated granulating device (A)4) Coefficient of kinetic energy loss at outlet, v₀Is a detected value of the first speed sensor, v_iIs the detection value of the second speed sensor, rho is the actual average density of the material, sin is sine, rho₀Presetting the optimal average density of the material, wherein V is the volume of the material after the material is granulated by the heating and granulating device (4), theta is an included angle between the connecting line of an inlet and an outlet of a heating cavity of the heating and granulating device (4) and the horizontal direction, and g is the gravity acceleration;

step two: calculating an actual melting rate of the heated granulation device (4) based on step 1, the first speed sensor, the second speed sensor, and equation (2):

wherein μ is the melting rate of the heating granulator (4), G₀D is the inner diameter of the heating granulation device (4), L is the length of the heating granulation device (4), w is the rotating speed of an extrusion driving part of the heating extrusion device, and lg is the logarithm taking 10 as a base;

step three: the controller compares the actual melting rate of the heating and granulating device (4) with the minimum melting rate of the heating and granulating device (4), and if the actual melting rate of the heating and granulating device (4) is smaller than the minimum melting rate of the heating and granulating device (4), the alarm gives an alarm.

10. The pelletizer for producing degradable films according to claim 1, further comprising:

the cooling discharge assembly (5) comprises:

the upper part of the cooling box (53) is provided with a feed inlet which is fixedly connected with one side of the output pipe (52) far away from the third output port;

-a detection device (7), said detection device (7) comprising:

a first detection panel (71) comprising: the detection device comprises a horizontal plate (711) and inclined plates (712) inclined at the upper end peripheral sides of the horizontal plate (711), wherein the height of each inclined plate (712) is increased from the position close to the horizontal plate (711) to the position far away from the horizontal plate (711), the inclined plates (712) at the peripheral sides of the first detection plates (71) are provided with arc-shaped guide plates (713), and the horizontal plate (711) is provided with a plurality of first through holes;

a plurality of first driving units (72) disposed on a lower end peripheral side of the first detection plate (71), the first driving units (72) including: one end of the first electric telescopic rod (721) is rotatably connected with the inner wall of the cooling box, and the other end of the first electric telescopic rod is connected with the lower end of the first detection plate (71); one end of the first spring (722) is fixedly connected with the first electric telescopic rod (721), and the other end of the first spring is fixedly connected with the inner wall of the cooling box;

the fixed block (73) is fixedly connected to the inner wall of the right end of the cooling box and is positioned at the lower end of the first detection plate (71), the upper end of the fixed block (73) is an inclined plane which is high at the left and low at the right, the lower end of the fixed block (73) is provided with a sliding groove in the front-back direction, and the upper end of the fixed block (73) is provided with a water cooling and heat dissipation layer;

the inclined guide plate (74) is fixedly connected to the inner wall of the left end of the cooling box and is positioned on the left side of the fixed block (73), and the inclined guide plate (74) is high at the left side and low at the right side;

the peripheral side of the horizontal mounting plate (75) is fixedly connected with the inner wall of the cooling box, and the inclined guide plate (74) is fixedly connected to the upper end of the horizontal mounting plate (75);

the cooling device comprises a plurality of first blocking strips (76) which are uniformly arranged at the upper end of a horizontal mounting plate (75) at intervals, wherein a plurality of second vertical through holes are further formed in the upper end of the horizontal mounting plate (75), the second vertical through holes are positioned between the first blocking strips (76), the aperture of each second vertical through hole is smaller than that of each first through hole, the first blocking strips (76) are arranged in a front-back mode, a slide way in the front-back direction is formed between every two adjacent first blocking strips (76), a first collecting groove is arranged in the cooling box in front of the slide way, a third through hole is arranged in the cooling box in front of the slide way, and a second collecting groove is arranged below each third through hole;

the upper end of the shell (77) is provided with a driving sliding block (731), the driving sliding block (731) is connected in the sliding groove in a sliding mode, and the shell (77) is provided with a telescopic driving piece which drives the shell to slide in the sliding groove;

the separation plate (78) is fixedly connected in the shell (77) and divides the shell (77) into a first chamber (771) and a second chamber (772) which are distributed up and down;

a first connecting tube (79) having one end connected to the first chamber (771) in communication;

the second connecting pipe and the third connecting pipe are fixedly connected to the cooling box, one end of the second connecting pipe is connected with the other end of the first connecting pipe (79), and the other end of the second connecting pipe is connected with a pressure fluid source through a fluid delivery pump;

one end of the fourth connecting pipe (710) is communicated with the second chamber (772), the other end of the fourth connecting pipe is connected with one end of the third connecting pipe, and the third connecting pipe is connected with a cooling air source through an air pump;

a plurality of hollow columns (720) fixedly connected in the second chamber (772), wherein the upper ends of the hollow columns (720) are opened and are communicated with the first chamber (771); a second drive assembly is disposed within the hollow cylinder (720), the second drive assembly comprising: a sealing plate (7201) sealingly slidably connected within the hollow cylinder (720); one end of the vertical connecting rod (7202) is fixedly connected with the lower end of the sealing plate (7201), the other end of the vertical connecting rod (7202) penetrates through the lower end of the shell (77), the vertical connecting rod (7202) is provided with a first flow channel (7203), and the upper end of the first flow channel (7203) is communicated with the second chamber (772) through a second flow channel (7204); the second spring (7205) is arranged in the hollow cylinder (720), one end of the second spring (7205) is fixedly connected with the lower end of the sealing plate (7201), and the other end of the second spring (7205) is fixedly connected with the inner wall of the lower end of the hollow cylinder (720);

the upper end of the hollow horizontal fixing plate (730) is fixedly connected with the lower end of the vertical connecting rod (7202), a plurality of second electric telescopic rods (740) are uniformly arranged at the lower end of the hollow horizontal fixing plate (730) at intervals, the second electric telescopic rods (740) are positioned above the first barrier strips (76) and are positioned right above the second through holes, the hollow horizontal fixing plate (730) is communicated with the lower end of the first flow channel (7203), and a plurality of air outlet holes are formed in the periphery of the hollow horizontal fixing plate (730);

a plurality of distance sensors arranged at each second electric telescopic rod (740);

the first chamber (771) is also connected with a fluid discharge pipe, and the first connecting pipe (79), the second connecting pipe, the third connecting pipe, the fourth connecting pipe (710) and the discharge pipe are all provided with electromagnetic valves;

and the controller is electrically connected with the distance sensor, the fluid delivery pump, the air pump, the electromagnetic valve, the first electric telescopic rod (721) and the second electric telescopic rod (740).