PVC (polyvinyl chloride) granulation equipment

By designing a PVC granulation equipment including a PVC extruder, a cutting knife and a shield, combined with the exhaust gas treatment equipment, the damage problem of harmful gases to the human body during the PVC granulation process is solved, and the effect of effectively removing harmful gases is achieved.

CN222779836UActive Publication Date: 2025-04-22JIANGXI ZHENGDAO PRECISION WIRE CO LTD
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Patent Information

Application Number
CN202421283806.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-04-22
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The harmful gases generated during PVC granulation cause harm to the human body, and the prior art is difficult to effectively remove these gases.

Method used

A PVC granulation equipment is designed, including a PVC extruder, a cutting knife and a shield. A harmful gas cavity is formed under the shield and connected to the exhaust gas treatment equipment through a pipe. The harmful gas is treated with a water tank and absorption box in the suction fan and the exhaust gas treatment equipment.

Benefits of technology

Through multiple treatments, harmful gases can be effectively sucked out and discharged, reducing damage to the human body.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222779836U_ABST
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Abstract

The utility model relates to the field of pvc (polyvinyl chloride) granulation, in particular to pvc granulation equipment. Comprising a PVC extruding machine, a cutting knife and a protective cover, a plurality of discharging holes are evenly formed in the head of the PVC plastic extruding machine in a round shape, a rotating shaft is arranged in the middles of the discharging holes, a cutting knife is arranged at the end of the rotating shaft, a blade of the cutting knife is obliquely attached to the discharging holes, the discharging holes and the outer ring of the cutting knife are both arranged in a protective cover, and the protective cover is arranged on the periphery of the PVC plastic extruding machine. The protective cover is detachably arranged at the head of the PVC plastic extruding machine, a discharging port is formed in the lower portion of the protective cover, and one end of the rotating shaft penetrates through the protective cover to be connected with a motor on the outer side. According to the device, harmful gas can be exhausted after being sucked out and treated for multiple times, and harm to people is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of PVC granulation, in particular to PVC granulation equipment. Background Art

[0002] In the process of producing PVC granules, harmful gases such as vinyl chloride are usually produced. In the factory, there will be multiple equipments producing at the same time and workers participating in the production, which will cause harm to the human body. Therefore, we designed a PVC granulation equipment that can handle harmful gases. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art, meet the actual needs, and provide a PVC granulating device, including a PVC extruder, a cutting knife and a shield; the head of the PVC extruder is circular and evenly provided with a plurality of discharge holes, a rotating shaft is provided in the middle of the discharge holes, a cutting knife is provided at the end of the rotating shaft, the blade of the cutting knife is obliquely fitted at the discharge hole, the discharge hole and the outer ring of the cutting knife are both provided in the shield, the shield can be detachably provided on the head of the PVC extruder, a discharge port is provided below the shield, and one end of the rotating shaft passes through the shield and is connected to the motor on the outside.

[0004] A guide plate inclined toward the middle discharge port is arranged below the discharge hole of the shield.

[0005] A harmful gas cavity is formed between the protective cover and the bottom of the protective cover. The harmful gas cavity passes through a pipeline and an exhaust gas treatment device. An air suction fan is arranged in the middle section of the pipeline passing through the harmful gas cavity.

[0006] A mesh plate is arranged between the harmful gas cavity and the discharge port.

[0007] The tail gas treatment equipment includes a water tank and an absorption box; the pipeline extends from the top of the water tank to the bottom of the water tank, an air outlet pipe is arranged on one side above the water tank, the air outlet pipe is connected to the bottom of the absorption box, an opening is arranged above the absorption box, and an absorption carbon core is arranged at the opening.

[0008] The beneficial effects of the utility model are:

[0009] The device can absorb harmful gases and discharge them after multiple treatments, thus reducing harm to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is further described below in conjunction with the accompanying drawings and implementation cases.

[0011] Figure 1 , 2 3 is a schematic diagram of the internal structure of the utility model. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0013] See also Figure 1-3 .

[0014] The utility model discloses a PVC granulating device, comprising a PVC extruder 1, a cutting knife 2 and a protective cover 3; the head of the PVC extruder is circular and evenly provided with a plurality of discharge holes 4, a rotating shaft 5 is provided in the middle of the discharge holes, a cutting knife 2 is provided at the end of the rotating shaft, the blade of the cutting knife is inclined and fitted at the discharge hole, the discharge hole and the outer ring of the cutting knife are both arranged in the protective cover, the protective cover can be detachably arranged on the head of the PVC extruder, a discharge port 6 is arranged below the protective cover, and one end of the rotating shaft passes through the protective cover and is connected with an outer motor 7.

[0015] A guide plate 8 inclined toward the middle discharge port is arranged below the discharge hole of the shield.

[0016] A harmful gas cavity 9 is formed between the protective cover and the bottom of the protective cover. The harmful gas cavity passes through a pipeline 13 and an exhaust gas treatment device. An air suction fan is arranged in the middle section of the pipeline 13 in the harmful gas cavity.

[0017] A mesh plate 10 is arranged between the harmful gas cavity and the discharge port.

[0018] The tail gas treatment equipment includes a water tank 11 and an absorption box 12; the pipeline extends from the top of the water tank to the bottom of the water tank, an outlet pipe 14 is arranged on one side above the water tank, and the outlet pipe is connected to the bottom of the absorption box. An opening is arranged above the absorption box, and an absorption carbon core 15 is arranged at the opening.

[0019] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent transformation made by using the contents of the specification and drawings of the present utility model or directly or indirectly applied in the relevant technical field is also included in the patent protection scope of the present utility model.

Claims

1. PVC granulation equipment, characterized by: The invention comprises a PVC extruder (1), a cutting knife (2) and a protective cover (3); the head of the PVC extruder is circular and evenly provided with a plurality of discharge holes (4); a rotating shaft (5) is provided in the middle of the discharge holes; a cutting knife (2) is provided at the end of the rotating shaft; the blade of the cutting knife is inclined and fitted at the discharge hole; the discharge holes and the outer ring of the cutting knife are both provided in the protective cover; the protective cover can be detachably provided at the head of the PVC extruder; a discharge port (6) is provided below the protective cover; one end of the rotating shaft passes through the protective cover and is connected to an outer motor (7); a harmful gas cavity (9) is formed between the protective cover and the bottom of the protective cover; the harmful gas cavity passes through a pipeline (13) and an exhaust gas treatment device; an air intake fan is provided in the middle section of the pipeline (13) through which the harmful gas cavity passes.

2. The PVC granulation equipment according to claim 1, characterized in that: A guide plate (8) is arranged below the discharge hole of the shield and is inclined toward the discharge port in the middle.

3. The PVC granulation equipment according to claim 1, characterized in that: A mesh plate (10) is arranged between the harmful gas cavity and the discharge port.

4. The PVC granulation equipment according to claim 1, characterized in that: The tail gas treatment equipment comprises a water tank (11) and an absorption box (12); the pipeline extends from the top of the water tank to the bottom of the water tank, an air outlet pipe (14) is arranged on one side above the water tank, the air outlet pipe is connected to the bottom of the absorption box, an opening is arranged above the absorption box, and an absorption carbon core (15) is arranged at the opening.