CN210634098U

CN210634098U - Heating device is used in production of MPP cable protection pipe

Info

Publication number: CN210634098U
Application number: CN201921713266.5U
Authority: CN
Inventors: 顾国良; 沈小冬
Original assignee: Jiangsu Zhonghai Pipe Industry Development Co Ltd
Current assignee: Jiangsu Zhonghai Pipe Industry Development Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-05-29
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a heating device is used in production of MPP cable protection pipe, including heating the barrel, it is external that the extruder barrel is located to the heating barrel cover, and constitutes the confined space between the outer wall of heating barrel and inner wall and extruder barrel, one side of heating the barrel is connected with the one end of circulating pipe, and the other end of circulating pipe passes cooler bin and heating cabinet and is connected with the opposite side of heating the barrel, cooler bin and heating cabinet are located the bottom both sides of heating the barrel respectively, and the bottom of cooler bin, heating cabinet and heating barrel all is connected with the support, the outer wall of heating the barrel is bilayer structure, and is provided with the heat preservation in the middle of this bilayer structure, the part that the circulating pipe is located cooler bin and heating cabinet all is "S" shape and distributes. This heating device is used in production of MPP cable protection pipe adopts circulating pipe, cooler bin and heating cabinet matched with structural design, closes cooling and heating device as an organic whole, has saved a plurality of complicated structures to make the operating efficiency higher.

Description

Heating device is used in production of MPP cable protection pipe

Technical Field

The utility model relates to a tubular product processing equipment technical field specifically is a heating device is used in production of MPP cable protection pipe.

Background

Tubing is the material used to make pipe fittings. Different pipes are used for different pipe fittings, and the quality of the pipes directly determines the quality of the pipe fittings. The MPP power pipe is divided into a common type and a reinforced type, the reinforced type is divided into an excavated pipe and a non-excavated pipe, and the MPP non-excavated pipe is also called as an MPP jacking pipe, an MPP supporting and pulling pipe and an MPP traction pipe.

Need use screw extruder in the MPP cable protection pipe production process, both will keep the material to be in hot melt state at the extrusion in-process, will prevent simultaneously that the material from leading to the fact the decomposition because of the plastify high temperature, so need set up heating and cooling device simultaneously, traditional heating and cooling device are partd, and operating efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating device is used in production of MPP cable protection pipe to traditional heating and cooling device who proposes in solving above-mentioned background art are detached, the lower problem of operating efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heating device is used in production of MPP cable protection pipe, includes the heating barrel, it is external that the extruder barrel is located to the heating barrel cover, and constitutes the confined space between the outer wall of heating barrel and inner wall and extruder barrel, one side of heating barrel is connected with the one end of circulating pipe, and the other end of circulating pipe passes cooler bin and heating cabinet and is connected with the opposite side of heating barrel, cooler bin and heating cabinet are located the bottom both sides of heating barrel respectively, and the bottom of cooler bin, heating cabinet and heating barrel all is connected with the support.

Preferably, the outer wall of the heating cylinder body is of a double-layer structure, and a heat insulation layer is arranged in the middle of the double-layer structure.

Preferably, the parts of the circulating pipes in the cooling box and the heating box are distributed in an S shape, radiating fins are uniformly arranged in the cooling box, the radiating fins and the circulating pipes are distributed in a crossed manner, and heating wires are uniformly wound outside the circulating pipes in the heating box.

Preferably, a second insulating layer is arranged in front of the outer walls of the heating wire and the circulating pipe, the heating wire is coated with a first insulating layer, and a protective layer is arranged outside the first insulating layer.

Preferably, a through hole is formed in one side of the cooling box, and a fan is arranged in the through hole.

Preferably, a cover body is arranged on one side of the through hole in the cooling box, and one side of the cover body is hinged with the cooling box.

Compared with the prior art, the beneficial effects of the utility model are that: this heating device is used in production of MPP cable protection pipe adopts circulating pipe, cooler bin and heating cabinet matched with structural design, closes cooling and heating device as an organic whole, has saved a plurality of complicated structures to make the operating efficiency higher.

Drawings

Fig. 1 is a front view of a heating device for producing an MPP cable protection tube of the present invention;

fig. 2 is a front view of a fan and a cover of a heating device for producing an MPP cable protection tube of the present invention;

figure 3 is the utility model discloses a heating device circulating pipe and heating wire cross-sectional view are used in production of MPP cable protection pipe.

In the figure: 1. the heating device comprises an extruder barrel, 2, a heating barrel, 3, a heat preservation layer, 4, a circulating pipe, 5, an electric heating wire, 6, a heating box, 7, a support, 8, a radiating fin, 9, a cooling box, 10, a fan, 11, a cover body, 12, a protective layer, 13, a first insulating layer, 14 and a second insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: a heating device for producing an MPP cable protection pipe comprises a heating cylinder body 2, the heating cylinder body 2 is sleeved outside an extruder cylinder body 1, a closed space is formed between the heating cylinder body 2 and the inner wall of the extruder cylinder body 1, the heating cylinder body 2 is connected with the extruder cylinder body 1 through welding or screws, and is filled in a gap through a sealing ring to form a closed space, a heat-conducting medium such as heat-conducting oil can be filled in the space and is heated, so that a heating effect can be formed on the extruder cylinder body 1, the outer wall of the heating cylinder body 2 is of a double-layer structure, a heat-insulating layer 3 is arranged in the middle of the double-layer structure, the heat-insulating layer 3 can be made of rock wool, aluminum silicate fiber wool and other materials, the heat-insulating effect of the heating cylinder body 2 can be improved through the structure, the heat loss is reduced, the temperature is more stable, one side of, the other end of the circulating pipe 4 penetrates through the cooling box 9 and the heating box 6 to be connected with the other side of the heating cylinder 2, the circulating pipe 4 is connected with the heating cylinder 2, the cooling box 9 and the heating box 6 through screws or pipe joints, the circulating pipe 4 realizes circulation through a pump body, the pump body is arranged in the middle of the circulating pipe 4, as shown in figure 1, the pump body can drive heat-conducting media in the circulating pipe 4 to circularly flow to realize the regulation of cooling and heating, the cooling box 9 and the heating box 6 are respectively positioned at two sides of the bottom of the heating cylinder 2, the bottoms of the cooling box 9, the heating box 6 and the heating cylinder 2 are respectively connected with a bracket 7, the cooling box 9 can cool the heat-conducting media in the circulating pipe 4, the heating box 6 can heat the heat-conducting media in the circulating pipe 4, the heating box 6 and the cooling box 9 can independently run and can be rapidly exchanged between heating and cooling requirements, the device integrates a cooling device and a heating device into a whole, a plurality of complex structures are omitted, and therefore the running efficiency is higher, the parts of the circulating pipe 4 positioned in the cooling box 9 and the heating box 6 are distributed in an S shape, the circulating pipe 4 is made to have large length in the cooling box 9 and the heating box 6 in the distribution mode, so that the heat-conducting medium has longer retention time and is more beneficial to cooling and heating the heat-conducting medium, the cooling box 9 is uniformly provided with the heat-radiating fins 8, the heat-radiating fins 8 and the circulating pipe 4 are distributed in a cross mode, the heat-radiating fins 8 are made of copper materials, the heat-radiating fins 8 and the circulating pipe 4 are welded or clamped, the surface area of the circulating pipe 4 can be increased by the structure, the cooling efficiency can be improved, the heating wire 5 is uniformly wound outside the circulating pipe 4 positioned in the heating box 6, and the heating wire 5 can uniformly heat the circulating pipe 4, a second insulating layer 14 is arranged in front of the outer walls of the heating wire 5 and the circulating pipe 4, a first insulating layer 13 is coated outside the heating wire 5, a protective layer 12 is arranged outside the first insulating layer 13, the first insulating layer 13 and the second insulating layer 14 are both made of high-temperature-resistant insulating materials, such as glass silica gel fiber materials, the protective layer 12 is made of high-temperature-resistant and oxidation-resistant materials, such as a TPV (thermoplastic vulcanizate) pipe sleeve, the structure can realize bidirectional protection on the heating wire 5 and workers, a through hole is formed in one side of the cooling box 9, a fan 10 is arranged in the through hole, the fan 10 is installed through a screw, an axial flow fan is adopted as the fan 10, the structure can perform air cooling on the cooling box 9 to improve the cooling efficiency, a cover body 11 is arranged on one side of the through hole in the cooling box 9, one side of the cover body 11 is hinged with the cooling box 9, this structure can seal the cooling box 9, and when cooling is not necessary, heat dissipation inside the cooling box 9 can be prevented.

The working principle is as follows: when the heating device for producing the MPP cable protection pipe is used, whether parts of the device are damaged or not firmly connected is checked, the heating device is used after the parts are checked to be correct, two ends of the heating cylinder body 2 are respectively connected with two ends of the circulating pipe 4, the middle of the circulating pipe 4 penetrates through the cooling box 9 and the heating box 6, when heating is needed, the heating wire 5 is connected with a power supply, the heating wire 5 is uniformly wound on the part, located in the heating box 6, of the circulating pipe 4, when a heat-conducting medium in the circulating pipe 4 flows to the position of the heating wire 5, the heat-conducting medium can be uniformly heated, the heat-conducting medium flows into the heating cylinder body 2 under the driving of a pump body, the heating cylinder body 2 is sleeved on the extruder cylinder body 1, the heating of the extruder cylinder body 1 can be achieved, when cooling is needed, the heating wire 5 is closed, the cover body 11 is opened, the fan 10 is started, and when, circulating pipe 4 and radiating fin 8 cross distribution in the cooler bin 9 have very big heat radiating area, and cooperation fan 10 drives the air flow, forms strong wind, can realize quick cooling, and cooling and heating device can enough move alone, and close as an organic whole, have saved a plurality of complicated structures to make the operating efficiency higher, this is exactly this heating device for MPP cable protection tube production's theory of operation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a heating device is used in production of MPP cable protection pipe which characterized in that: including heating cylinder body (2), outside extruder cylinder body (1) was located to heating cylinder body (2) cover, and constituted confined space between the outer wall of heating cylinder body (2) and inner wall and extruder cylinder body (1), one side of heating cylinder body (2) is connected with the one end of circulating pipe (4), and the other end of circulating pipe (4) passes cooler bin (9) and heater bin (6) and is connected with the opposite side of heating cylinder body (2), cooler bin (9) and heater bin (6) are located the bottom both sides of heating cylinder body (2) respectively, and the bottom of cooler bin (9), heater bin (6) and heating cylinder body (2) all is connected with support (7).

2. The heating device for producing an MPP cable protection tube of claim 1, wherein: the outer wall of the heating cylinder body (2) is of a double-layer structure, and a heat preservation layer (3) is arranged in the middle of the double-layer structure.

3. The heating device for producing an MPP cable protection tube of claim 1, wherein: the parts of the circulating pipe (4) positioned in the cooling box (9) and the heating box (6) are distributed in an S shape, the cooling box (9) is internally and uniformly provided with radiating fins (8), the radiating fins (8) and the circulating pipe (4) are distributed in a cross way, and the circulating pipe (4) positioned in the heating box (6) is uniformly wound with electric heating wires (5).

4. The device of claim 3, wherein the MPP cable protection tube production heater comprises: a second insulating layer (14) is arranged in front of the outer walls of the heating wire (5) and the circulating pipe (4), a first insulating layer (13) is coated outside the heating wire (5), and a protective layer (12) is arranged outside the first insulating layer (13).

5. The heating device for producing an MPP cable protection tube of claim 1, wherein: one side of the cooling box (9) is provided with a through hole, and a fan (10) is arranged in the through hole.

6. The heating device for producing an MPP cable protection tube of claim 1, wherein: a cover body (11) is arranged on one side of the through hole in the cooling box (9), and one side of the cover body (11) is hinged with the cooling box (9).