Polyethylene pipeline production melting equipment

By introducing agitating components and treatment components into the polyethylene pipeline production and melting equipment, the problems of polyethylene raw materials adhesion and exhaust gas emission are solved, and the inner wall of the equipment is cleaned and the exhaust gas purification treatment is achieved.

CN222571313UActive Publication Date: 2025-03-07JIANGSU SAIER ULTRA HIGH PRESSURE SPECIAL PIPE CO LTD
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Patent Information

Application Number
CN202421060590.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-03-07
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing polyethylene pipeline production and melting equipment will cause polyethylene raw materials to adhere to the inner wall of the equipment during the melting process, and generate a large amount of waste gas to be directly discharged, causing air pollution.

Method used

A polyethylene pipe production melting equipment is designed, including a melting box, agitating assembly and processing assembly. The agitating assembly scrapes the polyethylene raw material on the inner wall of the molten box through the rotating rod and the agitating rod, and the treatment assembly purifies and adsorbs the exhaust gas through a pump, a filter and an activated carbon adsorption layer.

Benefits of technology

It effectively avoids polyethylene raw materials sticking to the inner wall of the equipment after melting, and ensures that the exhaust gas does not pollute the environment through purification.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses polyethylene pipeline production melting equipment in the technical field of polyethylene melting, which comprises a melting box, a feeding pipe penetrates through the top of the melting box, a discharging pipe penetrates through the outer side wall of the melting box, a control valve penetrates through the outer side wall of the discharging pipe, a stirring assembly is arranged in the melting box, and a processing assembly is arranged on the outer side wall of the melting box. And the processing assembly comprises a processing box arranged on the outer side wall of the melting box, an air extracting pump is arranged at the top of the processing box, and the air inlet end of the air extracting pump is connected with an air inlet pipe. The polyethylene raw material is prevented from adhering to the inner wall of the melting box after being melted; and under the action of the treatment assembly, waste gas generated by melting can be purified and adsorbed, and it is guaranteed that the waste gas discharged into the air cannot pollute the environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene melting, in particular to polyethylene pipeline production melting equipment. Background Art

[0002] Polyethylene pipes have a wide range of applications, from small-section yellow pipes for natural gas to thick-walled black pipes for industrial and urban pipelines, and they have excellent resistance to most domestic and industrial chemicals. Today, the connection technology of polyethylene pipes has become very mature and reliable. When producing polyethylene pipes, melting equipment is needed to melt the polyethylene material. The current melting equipment will stir the polyethylene raw materials to speed up the melting speed, but the existing polyethylene raw materials will adhere to the inner wall of the melting equipment after melting, and a large amount of waste gas will be generated during melting. Direct discharge will cause air pollution. Therefore, we propose a polyethylene pipe production melting equipment. Utility Model Content

[0003] The utility model aims to provide a polyethylene pipe production melting device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyethylene pipe production melting equipment, including a melting box, a feed pipe is penetrated through the top of the melting box, a discharge pipe is penetrated through the outer wall of the melting box, a control valve is penetrated through the outer wall of the discharge pipe, a stirring assembly is provided in the melting box, a processing assembly is provided on the outer wall of the melting box, the processing assembly includes a processing box provided on the outer wall of the melting box, a vacuum pump is provided on the top of the processing box, an air inlet end of the vacuum pump is connected to an air inlet pipe, one end of the air inlet pipe is arranged in the melting box, two groups of filter screens are provided on the inner wall of the melting box, an activated carbon adsorption layer is provided on the right side of the inner wall of the melting box, and an air outlet pipe is penetrated and connected to the right side wall of the melting box.

[0005] Furthermore, the stirring assembly includes a rotating rod provided in the melting box, and a plurality of stirring rods are provided on the outer wall of the rotating rod. One end of the rotating rod passes through the top of the melting box and is connected to a driven gear provided on the outside. A motor is provided at the top of the melting box, and a driving gear meshing with the driven gear is connected to the output end of the motor.

[0006] Furthermore, the inner wall of the melting box is provided with two groups of scrapers, and the outer wall of the rotating rod is provided with two groups of connecting rods, and one end of the two groups of connecting rods is respectively connected to the opposite side walls of the two groups of scrapers.

[0007] Furthermore, a through hole is formed through the top of the melting box, and a bearing is sleeved and installed on the outer wall of the rotating rod, and the bearing matches the inner wall of the through hole.

[0008] Furthermore, a guide plate is provided at the bottom of the processing box, and one end of the guide plate is connected to the left side wall of the processing box.

[0009] Furthermore, the filter holes of the two groups of filter screens decrease in sequence from left to right.

[0010] Compared with the prior art, the utility model has the following beneficial effects: under the action of the stirring component, the polyethylene raw material adhering to the inner wall of the melting box can be scraped off when the polyethylene raw material is stirred, thereby preventing the polyethylene raw material from adhering to the inner wall of the melting box after melting; under the action of the processing component, the waste gas generated by melting can be purified and adsorbed to ensure that the waste gas discharged into the air will not pollute the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the processing box of the utility model.

[0013] In the figure: 1. melting box; 2. control valve; 3. discharge pipe; 4. processing assembly; 40. air inlet pipe; 41. vacuum pump; 42. guide plate; 43. processing box; 44. filter screen; 45. activated carbon adsorption layer; 46. air outlet pipe; 5. feed pipe; 6. stirring assembly; 60. motor; 61. driving gear; 62. driven gear; 63. connecting rod; 64. scraper; 65. stirring rod; 66. rotating rod. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Embodiment 1:

[0016] See also Figure 1-2The utility model provides a technical solution: a polyethylene pipe production melting equipment, including a melting box 1, a feeding pipe 5 is penetrated at the top of the melting box 1, a discharge pipe 3 is penetrated at the outer wall of the melting box 1, a control valve 2 is penetrated at the outer wall of the discharge pipe 3, a stirring component 6 is arranged in the melting box 1, a processing component 4 is arranged at the outer wall of the melting box 1, the processing component 4 includes a processing box 43 arranged at the outer wall of the melting box 1, a vacuum pump 41 is arranged at the top of the processing box 43, an air inlet end of the vacuum pump 41 is connected to an air inlet pipe 40, one end of the air inlet pipe 40 is located at the melting box 1 is arranged, the inner wall of the melting box 1 is provided with two groups of filter screens 44, and the filter holes of the two groups of filter screens 44 are reduced from left to right, so that the exhaust gas can be better filtered and processed. An activated carbon adsorption layer 45 is arranged on the right side of the inner wall of the melting box 1, and a guide plate 42 is arranged on the bottom of the processing box 43. One end of the guide plate 42 is connected to the left side wall of the processing box 43. Under the action of the guide plate 42, the exhaust gas can better pass through the filter screen 44 and the activated carbon adsorption layer 45 for filtering, adsorption and purification. An exhaust pipe 46 is penetrated and connected to the right side wall of the melting box 1.

[0017] See also Figure 1 The stirring assembly 6 includes a rotating rod 66 provided in the melting box 1, and a plurality of stirring rods 65 are provided on the outer wall of the rotating rod 66. One end of the rotating rod 66 passes through the top of the melting box 1 and is connected to the driven gear 62 provided on the outside. A through hole is opened on the top of the melting box 1, and a bearing is sleeved and installed on the outer wall of the rotating rod 66. The bearing matches the inner wall of the through hole. Under the action of the bearing, the rotating rod 66 rotates more stably. A motor 60 is provided at the top of the melting box 1. The output end of the motor 60 is connected to a driving gear 61 meshing with the driven gear 62. Two groups of scrapers 64 are provided on the inner side wall of the melting box 1, and two groups of connecting rods 63 are provided on the outer wall of the rotating rod 66. One end of the two groups of connecting rods 63 is respectively connected to the opposite side walls of the two groups of scrapers 64. When the rotating rod 66 rotates, it will drive the connecting rod 63 and the scraper 64 to rotate, and the scraper 64 can scrape the polyethylene raw material on the inner wall of the melting box 1.

[0018] Working principle: the polyethylene raw material is poured from the feed pipe 5 into the melting box 1 for heating and melting, the motor 60 drives the driving gear 61 to rotate, the driving gear 61 drives the driven gear 62 to rotate, the driven gear 62 drives the rotating rod 66 to rotate, the rotating rod 66 drives the stirring rod 65 to stir the polyethylene raw material to improve the melting effect, and when the rotating rod 66 rotates, it will drive the connecting rod 63 and the scraper 64 to rotate, and the scraper 64 can scrape the polyethylene raw material on the inner wall of the melting box 1. A large amount of waste gas will be generated when the polyethylene raw material is melted. Under the action of the vacuum pump 41 and the air inlet pipe 40, the waste gas can be sucked into the treatment box 43, and the waste gas can be filtered under the cooperation of two groups of filter screens 44 with different filter holes, and then the waste gas can be purified and adsorbed under the action of the activated carbon adsorption layer 45, and then the treated waste gas is discharged through the outlet pipe 46.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyethylene pipe production melting device, comprising a melting box (1), a feed pipe (5) penetrating the top of the melting box (1), a discharge pipe (3) penetrating the outer wall of the melting box (1), and a control valve (2) penetrating the outer wall of the discharge pipe (3), characterized in that: The melting box (1) is provided with a stirring assembly (6), and the outer wall of the melting box (1) is provided with a processing assembly (4), the processing assembly (4) comprises a processing box (43) provided on the outer wall of the melting box (1), a vacuum pump (41) is provided on the top of the processing box (43), an air inlet end of the vacuum pump (41) is connected to an air inlet pipe (40), one end of the air inlet pipe (40) is arranged in the melting box (1), two groups of filter screens (44) are provided on the inner wall of the melting box (1), an activated carbon adsorption layer (45) is provided on the right side of the inner wall of the melting box (1), and an air outlet pipe (46) is provided through and connected to the right side wall of the melting box (1).

2. The polyethylene pipe production melting equipment according to claim 1, characterized in that: The stirring assembly (6) comprises a rotating rod (66) disposed in the melting box (1), a plurality of stirring rods (65) being disposed on the outer wall of the rotating rod (66), one end of the rotating rod (66) passing through the top of the melting box (1) and connected to a driven gear (62) disposed outside the melting box, a motor (60) being disposed in the top of the melting box (1), and an output end of the motor (60) being connected to a driving gear (61) meshing with the driven gear (62).

3. The polyethylene pipe production melting equipment according to claim 2, characterized in that: Two groups of scrapers (64) are provided on the inner side wall of the melting box (1), and two groups of connecting rods (63) are provided on the outer side wall of the rotating rod (66), and one end of the two groups of connecting rods (63) is respectively connected to the opposite side walls of the two groups of scrapers (64).

4. The polyethylene pipe production melting equipment according to claim 2, characterized in that: A through hole is formed through the top of the melting box (1), and a bearing is sleeved and mounted on the outer wall of the rotating rod (66), the bearing matching the inner wall of the through hole.

5. The polyethylene pipe production melting equipment according to claim 1, characterized in that: A guide plate (42) is provided at the bottom of the processing box (43), and one end of the guide plate (42) is connected to the left side wall of the processing box (43).

6. The polyethylene pipe production melting equipment according to claim 1, characterized in that: The filter holes of the two groups of filter screens (44) decrease in size from left to right.