Granulation device for chlorinated polyvinyl chloride production

Abstract

The utility model discloses a granulation device for chlorinated polyvinyl chloride production, and relates to the technical field of chlorinated polyvinyl chloride production, an outlet of an extruder is communicated with a material distribution bin, a lower discharge port of the material distribution bin is communicated with a cooling pipe through a pipeline, a material conveying auger is arranged in the cooling pipe, a cooling sleeve is arranged on the outer side of the cooling pipe, and the material conveying auger is communicated with the cooling sleeve. And an outlet of the cooling pipe is communicated with a vibrating screen. Chlorinated polyvinyl chloride powder is melted in the extruder and then extruded and formed, the formed material enters the material distribution bin and enters the cooling pipe to be cooled, the cooled material reaches the vibrating screen through the material conveying auger, and chlorinated polyvinyl chloride particles are collected after separation. Cooling water is introduced into the cooling sleeve, materials continuously moving in the cooling pipe are cooled, the cooling effect is good, the materials are not prone to adhesion after entering the vibrating screen, the separation effect is good, and obtained chlorinated polyvinyl chloride particles are high in quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to chlorinated polyvinyl chloride production technical field, specifically relates to a granulating device for chlorinated polyvinyl chloride production. BACKGROUND

[0002] Chlorinated polyvinyl chloride (CPVC) is the product of further chlorination modification of polyvinyl chloride (PVC), and the chlorine content thereof is generally 65% to 72% (volume fraction). CPVC has many excellent properties of PVC, and has greater improvement in corrosion resistance, heat resistance, solubility, flame resistance, mechanical strength and the like than PVC, so CPVC is a new type of material with excellent performance, and is widely used in the fields of building, chemical industry, metallurgy, shipbuilding, electrical appliances, textile and the like, and has very broad application prospect.

[0003] Chinese patent CN206663570U discloses a kind of chlorinated polyvinyl chloride extrusion granulating equipment, the temperature of chlorinated polyvinyl chloride in granulation and after granulation can be controlled, it is favorable to ensure granulation quality.But using cooling bin to cool material, material is in static state in cooling bin, cooling is not uniform, cooling effect is poor, and material is prone to stick together. SUMMARY

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies existing in prior art, provide a kind of granulating device for chlorinated polyvinyl chloride production, material cooling effect is good.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] A kind of granulating device for chlorinated polyvinyl chloride production, including extruder, the outlet of the extruder is communicated with cloth bin, the lower discharge port of the cloth bin is communicated with cooling pipe by pipeline, the inside of the cooling pipe is equipped with feed auger, the outside of the cooling pipe is equipped with cooling jacket, and the outlet of the cooling pipe is communicated with vibrating screen.

[0007] As improved technical scheme, the lower part of the cloth bin is equipped with two discharge ports, the two discharge ports are communicated to corresponding cooling pipe by pipeline respectively, the bottom outlet of the two cooling pipes is communicated with buffer tank by pipeline respectively, and the bottom outlet of the buffer tank is communicated to the vibrating screen.

[0008] As improved technical scheme, the bottom outlet of the buffer tank is communicated to the vibrating screen by lifting auger.

[0009] As improved technical scheme, the outlet of the extruder is equipped with shear bin, the bottom outlet of the shear bin is communicated to the cloth bin by pipeline, and the upper part of the shear bin is communicated with air inlet tank.

[0010] As an improved technical scheme, the inner upper portion of the vibrating screen is provided with a coarse filter screen, and one end of the outer portion of the vibrating screen is provided with a first collecting hole matched with the coarse filter screen.

[0011] As an improved technical scheme, the lower portion of the coarse filter screen is provided with a fine filter screen, and one end of the outer portion of the vibrating screen is provided with a second collecting hole matched with the fine filter screen.

[0012] As a preferred technical scheme, the bottom of the vibrating screen is provided with a third collecting hole.

[0013] Due to the adoption of the above technical scheme, the present application has the following beneficial effects:

[0014] The utility model discloses a granulating device for chlorinated polyvinyl chloride production, including extruder, the outlet communication of extruder has cloth storehouse, the lower portion discharge gate of cloth storehouse is connected with cooling pipe through pipeline, the inside of cooling pipe is equipped with feed auger, the outside of cooling pipe is equipped with cooling jacket, the outlet communication of cooling pipe has vibrating screen. Chlorinated polyvinyl chloride powder is fused after extruding in extruder and is extruded into shape, and the material of shaping enters cloth storehouse and enters cooling pipe and carries out cooling, and the material after cooling reaches vibrating screen through feed auger, and after separating, the chlorinated polyvinyl chloride particle is collected. Through the cooling water that goes in cooling jacket, the material that is constantly moving in cooling pipe is cooled, and the cooling effect is good, and the material is not easy to stick after entering vibrating screen, and the separation effect is good, and the quality of the chlorinated polyvinyl chloride particle obtained is high.

[0015] The lower portion of the cloth storehouse is provided with two discharge gates, and the two discharge gates are respectively connected to the corresponding cooling pipes through pipelines, the bottom outlets of the two cooling pipes are respectively connected to buffer tanks through pipelines, and the bottom outlet of the buffer tank is connected to the vibrating screen. Through the two discharge gates, the material is not easy to be blocked in the discharge gate, and the material is cooled separately through the multiple cooling pipes, so that the material is cooled faster and the cooling effect is better.

[0016] The bottom outlet of the buffer tank is connected to the vibrating screen through the lifting auger, so that the material can be conveniently conveyed to the vibrating screen through the lifting auger, and the use is convenient.

[0017] The outlet of the extruder is provided with a shearing bin, the bottom outlet of the shearing bin is connected to the cloth storehouse through a pipeline, and the upper portion of the shearing bin is connected to an air inlet tank. The shearing bin is used for shearing the formed material at the outlet of the extruder, and the air inlet tank is used for pressurizing the shearing bin, so that the sheared material can smoothly enter the cloth storehouse, and the material is not easy to accumulate and block at the outlet of the extruder, and the use effect is good.

[0018] The inner upper part of the vibrating screen is provided with a coarse filter screen, and one end of the outer side of the vibrating screen is provided with a first collecting hole matched with the coarse filter screen.

[0019] The lower part of the coarse filter screen is provided with a fine filter screen, and one end of the outer side of the vibrating screen is provided with a second collecting hole matched with the fine filter screen.

[0020] The bottom of the vibrating screen is provided with a third collecting hole, and the chlorinated polyvinyl chloride with small particle size and in powder form passing through the fine filter screen is collected and falls from the third collecting hole, so that it is avoided from entering the chlorinated polyvinyl chloride product with normal size and affecting the quality of the product. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Figure 1 is the structure schematic diagram of the utility model embodiment;

[0023] Figure 2 is the structure schematic diagram of another direction of the utility model embodiment;

[0024] Figure 3 is the sectional view of the utility model embodiment;

[0025] Figure 4 is the sectional view of another direction of the utility model embodiment;

[0026] Wherein: 1, extruder;2, cloth storehouse;3, cooling pipe;4, feed auger;5, cooling jacket;6, vibrating screen;7, buffer tank;8, lifting auger;9, shearing storehouse;10, air inlet tank;11, coarse filter screen;12, first collecting hole;13, fine filter screen;14, second collecting hole;15, third collecting hole;16, cutter. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the drawings and examples.

[0028] As Figures 1-4As shown, a kind of granulating device for chlorinated polyvinyl chloride production, including extruder 1, the outlet of the extruder 1 is communicated with cloth storehouse 2, the lower discharge port of the cloth storehouse 2 is communicated with cooling pipe 3 by pipeline, the inside of the cooling pipe 3 is equipped with feed auger 4, the outside of the cooling pipe 3 is equipped with cooling jacket 5, the outlet of the cooling pipe 3 is communicated with vibrating screen 6.Chlorinated polyvinyl chloride powder is extruded into shape after melting in extruder 1, and the shaped material enters cloth storehouse 2 and cooling pipe 3 for cooling, and the material after cooling reaches vibrating screen 6 through feed auger 4, and the chlorinated polyvinyl chloride particles are collected after separation.The cooling water is passed in cooling jacket 5, and the material continuously moving in cooling pipe 3 is cooled, so that the cooling effect is good, and the material is not easy to adhere after entering vibrating screen 6, so that the separation effect is good, and the quality of the obtained chlorinated polyvinyl chloride particles is high.

[0029] The lower part of cloth storehouse 2 is provided with two discharge ports, and the two discharge ports are respectively communicated to the corresponding cooling pipe 3 by pipeline, and the bottom outlets of the two cooling pipes 3 are respectively communicated with buffer tank 7 by pipeline, and the bottom outlet of the buffer tank 7 is communicated to the vibrating screen 6.Through the two discharge ports, the material is not easy to be blocked in the discharge port, and the material is cooled separately by the plurality of cooling pipes 3, so that the material is cooled faster and the cooling effect is better.

[0030] The bottom outlet of the buffer tank 7 is communicated to the vibrating screen 6 by lifting auger 8, and the material can be more conveniently conveyed to the vibrating screen 6 by the lifting auger 8, so that the use is convenient.

[0031] The outlet of the extruder 1 is provided with shearing bin 9, the bottom outlet of the shearing bin 9 is communicated to the cloth storehouse 2 by pipeline, and the upper part of the shearing bin 9 is communicated with air inlet tank 10.The shaped material at the outlet of the extruder 1 is sheared by the cutter 16 in the shearing bin 9, and the shearing bin 9 is pressurized by the air inlet tank 10, so that the sheared material can smoothly enter the cloth storehouse 2, and the material is not easy to accumulate and block at the outlet of the extruder 1, so that the use effect is good.

[0032] The inside upper part of the vibrating screen 6 is provided with coarse filter screen 11, and one end of the outside of the vibrating screen 6 is provided with first collection hole 12 adapted to the coarse filter screen 11.The chlorinated polyvinyl chloride particles with larger particle size and adhered together are intercepted by the coarse filter screen 11 and finally fall from the first collection hole 12, so that the quality of the final chlorinated polyvinyl chloride is improved.

[0033] The lower part of the coarse filter screen 11 is provided with fine filter screen 13, and one end of the outside of the vibrating screen 6 is provided with second collection hole 14 adapted to the fine filter screen 13, and the chlorinated polyvinyl chloride with normal size is intercepted and collected by the fine filter screen 13 and finally falls from the second collection hole 14, so that the quality of the obtained chlorinated polyvinyl chloride product is good.

[0034] The bottom of the vibrating screen 6 is provided with a third collecting hole 15, the chlorinated polyvinyl chloride with small particle size and powder passing through the fine filter screen 13 is collected and falls from the third collecting hole 15, so as to avoid entering the normal size chlorinated polyvinyl chloride product and affecting the quality of the product.

[0035] It should be understood that the embodiments are only used for illustrating the present application but not for limiting the scope of the present application. Furthermore, it should be understood that after reading the content taught by the present application, those skilled in the art can make various modifications or amendments to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A granulating device for producing chlorinated polyvinyl chloride, comprising an extruder, characterized by: The outlet of the extruder is communicated with a material bin, a lower discharge port of the material bin is communicated with a cooling pipe through a pipeline, an inside of the cooling pipe is provided with a feeding auger, an outside of the cooling pipe is provided with a cooling jacket, and an outlet of the cooling pipe is communicated with a vibrating screen.

2. The granulating device for producing chlorinated polyvinyl chloride according to claim 1, characterized in that: Lower portions of the material bin are provided with two discharge ports, the two discharge ports are respectively communicated to corresponding cooling pipes through pipelines, bottom outlets of the two cooling pipes are respectively communicated with buffer tanks through pipelines, and a bottom outlet of the buffer tank is communicated to the vibrating screen.

3. The granulating device for producing chlorinated polyvinyl chloride according to claim 2, wherein: The bottom outlet of the buffer tank is communicated to the vibrating screen through a lifting auger.

4. The granulating device for producing chlorinated polyvinyl chloride according to claim 1, wherein: The outlet of the extruder is provided with a shearing bin, a bottom outlet of the shearing bin is communicated to the material bin through a pipeline, and an upper portion of the shearing bin is communicated with an air inlet tank.

5. The granulating device for producing chlorinated polyvinyl chloride according to claim 1, wherein: An inside upper portion of the vibrating screen is provided with a coarse filter screen, and an outside one end of the vibrating screen is provided with a first collecting hole matched with the coarse filter screen.

6. A granulating device for producing chlorinated polyvinyl chloride according to claim 5, characterized in that: A lower portion of the coarse filter screen is provided with a fine filter screen, and an outside one end of the vibrating screen is provided with a second collecting hole matched with the fine filter screen.

7. A granulating device for producing chlorinated polyvinyl chloride according to claim 6, characterized in that: A bottom portion of the vibrating screen is provided with a third collecting hole.

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