CN218462658U - Granulation system and water-reducing agent production line - Google Patents

Abstract

The utility model provides a granulation system and water-reducing agent production line relates to chemical industry equipment technical field. The granulation system comprises a discharging device, a granulating device, a cooling and shaping assembly and a discharging device. The discharging device comprises a material cavity, and a plurality of discharging holes are formed in the side wall of the material cavity; the grain cutting device comprises a cutting piece, the cutting piece is arranged on the outer side of the discharge hole, and the cutting piece and the discharge device rotate relatively; the cooling shaping assembly comprises a cooling roller, and the cooling roller is rotatably arranged below the discharge hole; the blanking device comprises a blanking piece, and the blanking piece is arranged on the side of the cooling roller. The utility model discloses can solve the water-reducing agent macromonomer forming process among the prior art because of the influence finished product quality that the dust leads to more, extravagant raw materials and polluted environment's problem, have and avoid the dust to produce, improve the finished product quality, avoid the raw materials extravagant, practice thrift the cost, energy-concerving and environment-protective effect.

Description

Granulation system and water-reducing agent production line

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to granulation system and water-reducing agent production line.

Background

The water reducing agent is a concrete admixture capable of reducing the water consumption for mixing under the condition of maintaining the slump constant of concrete basically. Most of them are anionic surfactants, such as lignosulfonate and naphthalene sulfonate formaldehyde polymer. After the concrete mixture is added, the dispersion effect on cement particles is achieved, the workability of the concrete mixture can be improved, the unit water consumption is reduced, and the fluidity of the concrete mixture is improved; or the unit cement consumption is reduced, and the cement is saved. The appearance forms are divided into aqueous solution and powder. The solid content of the water agent is generally 20 percent, 40 percent (also called mother liquor) and 60 percent, and the solid content of the powder is generally 98 percent.

Water reducing agent macromonomer and other products with the same properties with the water reducing agent, namely liquid at high temperature and solid at normal temperature, are generally sliced and molded at present during processing. In a slicing system of a slicing machine, the water reducing agent in the feed liquid tank is cooled and solidified by a roller and then sliced. However, during the slicing process, dust is easily generated, on one hand, the finished product contains dust, the quality of the finished product is poor, raw materials are wasted, the cost is increased, and on the other hand, environmental pollution is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lie in overcoming the influence finished product quality that leads to more because of the dust among the water-reducing agent macromonomer forming process among the prior art, causing the waste of raw materials and environmental pollution's defect to a granulation system and water-reducing agent production line are provided.

In order to solve the problem, the utility model provides a granulation system on the one hand, include discharging device, cut grain device, cooling design subassembly and unloader. The discharging device comprises a material cavity, and a plurality of discharging holes are formed in the side wall of the material cavity; the grain cutting device comprises a cutting piece, the cutting piece is arranged on the outer side of the discharge hole, and the cutting piece and the discharge device rotate relatively; the cooling shaping assembly comprises a cooling roller which is rotatably arranged below the discharge hole; the blanking device comprises a blanking part, and the blanking part is arranged on the side of the cooling roller.

Optionally, the discharging device comprises a discharging pipe, the material cavity is an inner cavity of the discharging pipe, at least one discharging hole group is distributed on the side wall of the discharging pipe at intervals around the circumferential direction of the discharging pipe, and the discharging hole group comprises a plurality of discharging holes distributed at intervals along the axial direction of the discharging pipe.

Optionally, the pelletizing device comprises a pelletizing pipe, the pelletizing pipe is arranged on the discharging pipe in a spaced manner, at least one cutting groove is formed in the side wall of the pelletizing pipe at intervals along the circumferential direction of the pelletizing pipe, and the cutting grooves are arranged along the axial direction of the pelletizing pipe; the width of the cutting groove is not less than the diameter of the discharge hole, and the length of the cutting groove is not less than the total length of the discharge hole group.

In the alternative,

the discharging pipe is connected with a rotation driving mechanism, and the grain cutting pipe is fixedly arranged;

or the discharging pipe is fixedly arranged, and the grain cutting pipe is connected with a rotation driving mechanism;

or the discharging pipe and the grain cutting pipe are both connected with a rotation driving mechanism, and the rotating speeds of the discharging pipe and the grain cutting pipe are different.

Optionally, the discharge pipe is connected with a rotation driving mechanism; the cutting piece is a cutting knife which is in a strip shape, and the cutting knife is fixedly arranged on the rack along the axis direction of the discharge pipe.

Optionally, the blanking part comprises a blanking scraper which is in a strip shape and is fixedly arranged on the rack along the axis direction of the cooling roller.

Optionally, the cutting edge of the blanking scraper is arranged on one side of the cooling roller, and an included angle of 0-45 degrees is formed between the blanking scraper and the tangent line of the cooling roller.

Optionally, a material guide chute is arranged below the blanking device, and the material guide chute is provided with a material guide slope surface which is obliquely arranged from top to bottom.

Optionally, a flexible buffer is connected to the lower edge of the material guide chute.

The utility model discloses another aspect provides a water-reducing agent production line, including any one of the above technical scheme granulation system.

The utility model has the advantages of it is following:

1. utilize the technical scheme of the utility model, the material is located discharging device's material intracavity, through the discharge opening ejection of compact, by the cutting piece cutting, forms the initial setting material, and the initial setting material falls on cooling drum, solidifies through cooling drum cooling, obtains the finished product granule by the cutting of unloading piece again, realizes water-reducing agent macromonomer's granulation. Because the product that the grain cutting device cuts is the liquid material, what the unloader handled is that the material of primary design solidifies the secondary design material on the surface of the cooling drum after cooling, the unloader peels off the material of secondary design from the cooling drum, need not to slice in the whole process, has stopped the production of dust from the source, has greatly improved the finished product quality, avoid the waste of raw materials, has saved the cost, has also solved the problem of environmental pollution that the dust brought at the same time, the utility model discloses it is more environmental protection;

in addition, the utility model directly cuts the liquid material, so as to form the liquid material in the initial step, then the liquid material is cooled and solidified to form the spherical material, and finally the spherical material is cut to form finished product particles;

and, compare in atomizing granulator, the utility model discloses can require for a short time the viscosity of fluid, can realize carrying out the granulation to the fluid of bigger viscosity within range, application scope is wide.

Drawings

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

Fig. 1 is a front view of a granulation system according to an embodiment of the present invention;

FIG. 2 shows a side view of FIG. 1 (omitting the rotational drive mechanism);

FIG. 3 is a schematic view showing a first configuration of the discharge device and the pelletizing device;

FIG. 4 is a schematic view showing a second structure of the discharge device and the pelletizing device;

FIG. 5 is a schematic view showing a third configuration of the discharge device and the pelletizing device;

FIG. 6 is a first schematic view of the blanking member and the cooling drum;

fig. 7 shows a second construction of the blanking member and the cooling drum.

Description of reference numerals:

1. a discharging device; 11. a discharge pipe; 12. a discharge hole; 2. a granulating device; 21. dicing a grain pipe; 22. cutting the piece; 221. cutting the groove; 222. a cutting knife; 3. cooling and shaping the assembly; 31. cooling the drum; 311. a coolant inlet; 312. a coolant outlet; 4. a blanking device; 41. blanking parts; 411. a blanking scraper; 5. a rotation driving mechanism; 51. an electric motor; 6. a material guide chute; 61. a material guiding slope; 7. a flexible buffer; 8. primarily shaping the material; 9. secondary sizing material; 10. finished product particles; 20. a conveying device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

For convenience of describing the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings and specific examples, but the examples should not be construed as limiting the present invention.

Example 1

A granulation system, referring to fig. 1 to 7, comprises a discharging device 1, a granulating device 2, a cooling and shaping assembly 3 and a blanking device 4. The discharging device 1 comprises a material cavity, and a plurality of discharging holes 12 are formed in the side wall of the material cavity; the granulating device 2 comprises a cutting piece 22, the cutting piece 22 is arranged at the outer side of the discharge hole 12, and the cutting piece 22 and the discharge device 1 rotate relatively; the cooling shaping assembly 3 comprises a cooling roller 31, and the cooling roller 31 is rotatably arranged below the discharge hole 12; the blanking device 4 includes a blanking member 41, and the blanking member 41 is provided on the side of the cooling drum 31.

Utilize the technical scheme of the utility model, the material is located discharging device 1's material intracavity, through the 12 ejection of compact of discharge opening, by the cutting of cutting member 22, forms initial setting material 8, and initial setting material 8 falls on cooling drum 31, through cooling drum 31 cooling solidification, obtains finished product granule 10 by the cutting of unloading piece 41 again, realizes the big free granulation of water-reducing agent. Because the cutting device cuts the liquid material, the blanking device processes the secondary shaping material 9 formed by the primary shaping material after cooling and solidifying on the surface of the cooling roller 31, the blanking device strips the secondary shaping material from the cooling roller 31, the whole process does not need to slice, thereby fundamentally avoiding the generation of dust, greatly improving the quality of finished products, avoiding the waste of raw materials, saving the cost, solving the problem of environmental pollution caused by dust, improving the working environment, and being more environment-friendly;

in addition, the utility model directly cuts the liquid material, so as to form the liquid material in the initial step, then the liquid material is cooled and solidified to form the spherical material, and finally the spherical material is cut to form the finished product particles 10;

and, compare in atomizing granulator, the utility model discloses the viscosity requirement to the fluid is little, can realize carrying out the granulation to the fluid of bigger viscosity within range, and application scope is wide.

Specifically, in this embodiment, the discharging device 1 includes a discharging pipe 11, the material cavity is an inner cavity of the discharging pipe 11, at least one discharging hole group is distributed on a side wall of the discharging pipe 11 at intervals around the circumference of the discharging pipe 11, and the discharging hole group includes a plurality of discharging holes 12 distributed at intervals along the axial direction of the discharging pipe 11.

Further, cutting grain device 2 includes eager grain pipe 21, and eager grain pipe 21 interval cover is established on discharging pipe 11, has seted up at least one along the circumference interval of eager grain pipe 21 on the lateral wall of eager grain pipe 21 and has cut groove 221, cuts the axis setting of cutting groove 221 along eager grain pipe 21. Specifically, the width of the cutting groove 221 is not less than the diameter of the discharge hole 12, and the length of the cutting groove 221 is not less than the total length of the discharge hole group, that is, the length of the cutting groove 221 covers all the discharge holes 12 in the discharge hole group, and the cut primary shaped material 8 is discharged from the cutting groove 221.

The following three embodiments are provided for relative rotation between the discharge pipe 11 and the pellet cutting pipe 21.

In the first embodiment, the discharge pipe 11 is fixedly installed, and the rotary drive mechanism 5 is connected to the pellet cutting pipe 21.

In the second embodiment, the discharge pipe 11 is connected to the rotation driving mechanism 5, and the pellet cutting pipe 21 is fixedly provided.

In the third embodiment, the discharge pipe 11 and the pellet cutting pipe 21 are both connected to the rotation driving mechanism 5, and the rotation speeds of the discharge pipe 11 and the pellet cutting pipe 21 are different.

For the first embodiment, a specific example, referring to FIG. 3, the bottom of the tapping pipe 11 is provided with a tapping hole set, the tapping hole set comprises a plurality of tapping holes 12, and the tapping holes 12 are arranged at intervals along the axial direction of the tapping pipe 11. Cut grain pipe 21 suit outside discharging pipe 11, as a preferred embodiment, discharging pipe 11 and cut grain pipe 21 coaxial setting, set up four cutting grooves 221 on the periphery wall of cutting grain pipe 21, cutting groove 221 sets up along the axis direction of cutting grain pipe 21, and four cutting grooves 221 are around cutting grain pipe 21's circumference evenly spaced apart distribution. The fixed setting of discharging pipe 11, cut grain pipe 21 and connect rotation actuating mechanism 5, cut grain pipe 21 and rotate, can be through the rotational speed of controlling cut grain pipe 21, the particle size of controlling the grain. Of course, as an alternative embodiment, the particle size of the pellets can be controlled by controlling the number of cutting grooves 221 on the sidewall of the pellet tube 21 at a fixed rotation speed. For example, two cutting grooves 221 are uniformly spaced on the sidewall of the dicing tube 21, and compared with four cutting grooves 221 uniformly spaced on the sidewall of the dicing tube 21, the size of the particles cut by the former is about twice as large as the size of the particles cut by the latter at the same rotation speed. Further, the rotation driving mechanism 5 includes a motor 51, and an output shaft of the motor 51 is connected to the dicing duct 21 through a transmission assembly. The transmission component may be a gear pair, a chain or a belt transmission, or other transmission structure that can drive the pellet cutting pipe 21 to rotate, which is not limited herein. The material in the material chamber of discharging pipe 11 is extruded from discharge opening 12, and pivoted eager grain pipe 21, cutting groove 221 on it are when discharge opening 12, cut into the liquid drop drippage with the material of extruding, make the material through tentatively stereotyping, form the material of tentatively stereotyping 8.

In a specific example of the second embodiment, referring to FIG. 4, a plurality of discharge hole groups are formed in the sidewall of the tapping pipe 11, and a plurality of discharge holes 12 are provided at intervals in each discharge hole group along the axial direction of the tapping pipe 11. In order to ensure uniformity of the particle size of the granules, a plurality of discharge hole groups are provided at equal intervals around the circumference of the discharge pipe 11. Similarly, a plurality of discharge holes 12 in each discharge hole group are arranged at equal intervals. A cutting groove 221 is formed in the bottom of the outer side wall of the dicing tube 21, and the cutting groove 221 is formed along the axial direction of the dicing tube 21. The pelletizing pipe 21 is fixedly arranged, and the discharging pipe 11 is connected with the rotation driving mechanism 5. Also, the particle size of the granules can be adjusted by controlling the rotation speed of the discharge pipe 11 or adjusting the interval between the adjacent discharge hole groups. The rotation driving mechanism 5 is the same as above, and is not described in detail here. The discharging pipe 11 extrudes materials from the discharging hole 12 while rotating, and when the discharging hole 12 passes through the cutting groove 221 of the fixed granulating pipe 21 at the outer side, the extruded materials are cut into liquid drops to form an initially-shaped material 8.

As an alternative embodiment of the pelletizing device 2, referring to fig. 5, in a specific example, the pelletizing device 2 comprises a fixing seat arranged on one side of the discharge pipe 11, which fixing seat can be arranged on a machine frame. Cutting member 22 is cutting knife 222, and cutting knife 222 is fixed to be located on the fixing base, and cutting knife 222 is located the below of discharging pipe 11, and cutting knife 222 is rectangular shape, and the long limit of cutting knife 222 is arranged along the axis direction of discharging pipe 11, and the periphery wall setting of discharging pipe 11 is pressed close to the cutting edge of cutting knife 222. A discharge hole group is provided on the side wall of the discharge pipe 11. The discharging pipe 11 is connected with the rotation driving mechanism 5, the discharging pipe 11 rotates, the material in the material cavity is extruded from the discharging hole 12, when the discharging hole 12 rotates to the position of the cutting knife 222, the extruded material is cut into a liquid drop shape by the cutting knife 222, and the primary setting material 8 is formed.

The utility model provides a granulation system, the viscosity requirement to the product is not high, and application scope is wide, to the great, the relatively poor product of mobility of viscosity, can extrude the granulation through the pressurization.

In addition, current slicer need be through keeping warm, ensures that sliced thickness is even unanimous, and finished product section heat dissipation is slow, condenses the caking once more easily, and utilizes the utility model provides a granulation system, the product is direct to be extruded from discharge opening 12, then cools off on cooling drum 31 and solidifies, peels off the granulation, and whole in-process need not to keep the section to reach even unanimous thickness through keeping warm, only needs to guarantee that the product has the mobility, and is low to the heat retaining temperature requirement of product, has improved off-the-shelf cooling rate, consequently is difficult for the caking.

Specifically, be equipped with the cooling chamber in the cooling drum 31, the one end in cooling chamber sets up coolant liquid import 311, and the other end sets up coolant liquid export 312, and coolant liquid import 311 and coolant liquid tube coupling circulate the coolant liquid in the cooling chamber, and in this embodiment, the coolant liquid is cooling brine.

Further, cold air towards the cooling roller 31 can be arranged, so that the heat dissipation efficiency of the secondary sizing material 9 in the cooling sizing process is improved.

Optionally, referring to fig. 1 and fig. 2, the blanking member 41 includes a blanking scraper 411, the blanking scraper 411 is a strip, and a long side of the blanking scraper 411 is fixedly disposed on the frame along the axial direction of the cooling drum 31. The setting position of the blanking scraper 411 is related to the solidification forming time of the primary formed material 8. The primary shaped material 8 cut by the cutting member 22 drops and adheres to the cooling drum 31, and since the material has a characteristic of being liquid at a high temperature and being solidified into a solid at a normal temperature, the primary shaped material 8 on the surface of the cooling drum 31 is cooled and solidified by the cooling liquid in the cooling drum 31 with the rotation of the cooling drum 31 to form spherical or hemispherical solid particles, which are referred to herein as secondary shaped material 9. If the condensation rate of product is very fast, unloading scraper 411 can locate the below of cooling drum 31, that is, can accomplish the cooling when just stereotyped material 8 rotates 180 along with cooling drum 31, solidifies the shaping, is struck off the time stereotyped material 9 from cooling drum 31 by unloading scraper 411 this moment, forms finished product granule 10. If the condensation speed of the product is slow, referring to fig. 2, 6 or 7, the blanking scraper 411 is disposed at the side of the cooling roller 31, so that the primary shaped material 8 can rotate about 270 ° with the cooling roller 31, the cooling time is long, and the primary shaped material can be completely cooled and solidified to form the secondary shaped material 9. The secondary sizing material 9 is scraped off from the outer surface of the cooling roller 31 by a blanking scraper 411 to obtain finished particles 10.

Optionally, the cutting edge of the blanking scraper 411 is disposed on one side of the cooling roller 31, and forms an included angle of 0 ° to 45 ° with the tangent line of the cooling roller 31. Specifically, referring to fig. 6, when the blanking blade 411 is disposed at the side of the cooling drum 31, an angle between the blanking blade 411 and a tangent of the cooling drum 31 in the rotation direction is 0 °, that is, the blanking blade 411 is disposed along the tangent of the cooling drum 31. Or referring to fig. 7, the angle between the blanking blade 411 and the tangent of the cooling roller 31 in the rotational direction is 45 °. Of course, the included angle may be set to other angles between 0 ° and 45 ° according to actual conditions.

Optionally, a material guide chute 6 is arranged below the blanking device, and the material guide chute 6 is provided with a material guide slope surface 61 which is obliquely arranged from top to bottom. Referring to fig. 2, the material guide chute 6 is disposed below the discharging scraper 411, and an upper edge of the material guide chute 6 is disposed near an outer sidewall of the cooling drum 31. The collecting device or the conveying device 20 is arranged below one side of the cooling roller 31, in the embodiment, the conveying device 20 is arranged below one side of the cooling roller 31, the lower edge of the guide chute 6 extends to the upper part of the conveying device 20, and the finished product particles 10 scraped by the blanking scraper 411 are guided to the conveying device 20 and then conveyed to a packaging machine for packaging. Specifically, the conveyor 20 includes a conveyor belt.

Optionally, a flexible buffer 7 is connected to the lower edge of the material guide chute 6. The flexible buffer 7 is arranged, so that the finished product particles 10 in the guide chute 6 can be buffered when falling onto the conveying device 20, and the finished product particles 10 and the conveying device 20 are prevented from being greatly impacted and collided. In particular, the flexible buffer 7 comprises a cloth bag.

Example 2

A water reducer production line comprising the pelletizing system described in example 1.

According to the above description, the present patent application has the following advantages:

1. slicing is not needed in the granulation process, dust is prevented from being generated, the quality of finished products is greatly improved, the waste of raw materials is avoided, the cost is saved, meanwhile, the problem of environmental pollution caused by dust is solved, the working environment is improved, and the environment is protected;

2. compared with the existing slicing system, the slicing thickness is kept consistent without heat preservation through steam tracing, and only the liquid product is ensured to have fluidity, so that the requirement on the heat preservation temperature of the liquid product is low, the energy consumption is greatly reduced, and the production cost is saved;

3. compare in atomizing granulator, the utility model discloses the viscosity of the convection current requires for a short time, can realize carrying out the granulation to the fluid in the bigger viscosity scope, and application scope is wide.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A pelletizing system, characterized by comprising:

the discharging device (1) comprises a material cavity, and a plurality of discharging holes (12) are formed in the side wall of the material cavity;

the granulating device (2), the granulating device (2) comprises a cutting piece (22), the cutting piece (22) is arranged outside the discharge hole (12), and the cutting piece (22) and the discharge device (1) move relatively;

the cooling and shaping assembly (3), the cooling and shaping assembly (3) comprises a cooling roller (31), and the cooling roller (31) is rotatably arranged below the discharge hole (12);

the blanking device (4) comprises a blanking piece (41), and the blanking piece (41) is arranged on the side of the cooling roller (31).

2. Pelletizing system according to claim 1, characterized in that the discharge device (1) comprises a discharge pipe (11), the material chamber being an inner chamber of the discharge pipe (11), at least one group of discharge holes being spaced on a side wall of the discharge pipe (11) around the circumference of the discharge pipe (11), the group of discharge holes comprising a number of discharge holes (12) spaced along the axial direction of the discharge pipe (11).

3. The pelletizing system according to claim 2, characterized in that the pelletizing device (2) comprises a pelletizing pipe (21), the pelletizing pipe (21) is sleeved on the discharging pipe (11) at intervals, at least one cutting groove (221) is formed in the side wall of the pelletizing pipe (21) at intervals along the circumferential direction of the pelletizing pipe (21), and the cutting groove (221) is arranged along the axial direction of the pelletizing pipe (21); the width of the cutting groove (221) is not less than the diameter of the discharge hole (12), and the length of the cutting groove (221) is not less than the total length of the discharge hole group.

4. Granulation system according to claim 3,

the discharging pipe (11) is connected with a rotation driving mechanism (5), and the pelletizing pipe (21) is fixedly arranged;

or the discharge pipe (11) is fixedly arranged, and the pelletizing pipe (21) is connected with a rotation driving mechanism (5);

or the discharging pipe (11) and the pelletizing pipe (21) are both connected with a rotation driving mechanism (5), and the rotating speeds of the discharging pipe (11) and the pelletizing pipe (21) are different.

5. Pelletizing system according to claim 2, characterized in that a rotary drive (5) is connected to the discharge pipe (11); the cutting piece (22) is a cutting knife (222), the cutting knife (222) is a long strip, and the cutting knife (222) is fixedly arranged on the machine frame along the axial direction of the discharge pipe (11).

6. The pelletizing system according to claim 1, characterized in that the blanking member (41) comprises a blanking scraper (411), the blanking scraper (411) is of a long strip shape, and the blanking scraper (411) is fixedly arranged on a frame along the axial direction of the cooling drum (31).

7. The granulation system as claimed in claim 6, characterized in that the cutting edge of said blanking scraper (411) is arranged on one side of said cooling drum (31), and the included angle between the tangent of said blanking scraper (411) and the tangent of said cooling drum (31) is 0-45 °.

8. The granulation system as claimed in any one of claims 1 to 7, wherein a material guide chute (6) is provided below said blanking device (4), said material guide chute (6) having a material guide slope (61) inclined from top to bottom.

9. Pelletizing system according to claim 8, characterized in that a flexible buffer (7) is connected to the lower edge of the chute (6).

10. A water reducing agent production line characterized by comprising the granulation system of any one of claims 1 to 9.

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