CN209903720U

CN209903720U - Polyethylene strip cooling roller suitable for insulating tube production line

Info

Publication number: CN209903720U
Application number: CN201920496274.2U
Authority: CN
Inventors: 邱华伟; 胡作会; 邱晓霞; 邱秀娟; 陈立
Original assignee: TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT CO Ltd
Current assignee: TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT CO Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-07
Anticipated expiration: 2029-04-12

Abstract

A polyethylene strip material cooling roller suitable for a thermal insulation pipe production line comprises a water inlet pipeline, a water outlet pipeline, a rotating shaft, a rotating joint, a shell and a rotating shaft seat; the rotating shafts are arranged at two ends of the shell and are supported by the rotating shaft seats, and one ends of the rotating shafts are provided with rotating joints; the rotary joint is a double-liquid rotary joint which is connected with the water inlet pipeline and the water outlet pipeline; the casing is the cavity cylinder, separates the casing cavity for feed liquor chamber, heat exchange chamber and play liquid chamber through two baffles of establishing in, still sets up feed liquor pipe and drain pipe in the casing cavity, feed liquor pipe one end is connected with rotary joint, and the other end is link up with the feed liquor chamber, the drain pipe is arranged in going out the liquid chamber, and the suit is outside the feed liquor pipe, leads to out liquid chamber and rotary joint through the drain pipe. The utility model provides a cooling processing problem before the winding of polyethylene area material, reached the purpose that improves insulating tube product quality.

Description

Polyethylene strip cooling roller suitable for insulating tube production line

Technical Field

The utility model relates to a chill roll, especially a polyethylene area material chill roll suitable for insulating tube production line belongs to insulating tube technical field.

Background

The prefabricated direct-buried heat-insulating pipe consists of a working steel pipe for conveying a medium, a polyurethane heat-insulating layer and a polyethylene outer sleeve, and has the advantages of low heat loss, good corrosion resistance and insulating property, quick and safe construction and the like, so that the prefabricated direct-buried heat-insulating pipe is widely applied to heat-insulating and cold-insulating projects of central heating pipe networks, central air-conditioning pipelines, chemical engineering, medical industrial pipelines and the like.

The heat-insulating pipe produced by the polyurethane spraying polyethylene winding process has low production cost, and can meet the requirement on consistency of density distribution of the heat-insulating layer, thereby improving the product quality of the prefabricated heat-insulating pipe. However, in the winding and forming process of the polyethylene outer sleeve, the temperature of the belt material output by the polyethylene extrusion equipment is very high, and if the belt material is directly wound outside the polyurethane heat-insulating layer, the polyurethane foam plastic is carbonized, so that a polyethylene belt material cooling device needs to be arranged in the production line of the heat-insulating pipe to realize the cooling treatment before the winding of the polyethylene belt material, and the cooling roller is used as a key component in the polyethylene belt material cooling device, and the internal structure of the cooling roller needs to be optimally designed to ensure that the expected cooling effect is obtained.

SUMMERY OF THE UTILITY MODEL

The utility model provides a polyethylene area material chill roll suitable for insulating tube production line aims at solving the cooling processing problem before the winding of polyethylene area material, reaches the purpose that improves insulating tube product quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a polyethylene strip material cooling roller suitable for a thermal insulation pipe production line comprises a water inlet pipeline, a water outlet pipeline, a rotating shaft, a rotating joint, a shell and a rotating shaft seat; the rotating shafts are arranged at two ends of the shell and are supported by the rotating shaft seats, and one ends of the rotating shafts are provided with rotating joints; the rotary joint is a double-liquid rotary joint which is connected with the water inlet pipeline and the water outlet pipeline; the casing is the cavity cylinder, separates the casing cavity for feed liquor chamber, heat exchange chamber and play liquid chamber through two baffles of establishing in, still sets up feed liquor pipe and drain pipe in the casing cavity, feed liquor pipe one end is connected with rotary joint, and the other end is link up with the feed liquor chamber, the drain pipe is arranged in going out the liquid chamber, and the suit is outside the feed liquor pipe, leads to out liquid chamber and rotary joint through the drain pipe.

Above-mentioned polyethylene area material chill roll suitable for insulating tube production line wrap up waterproof insulation material outside the feed liquor pipe.

The polyethylene strip cooling roller suitable for the thermal insulation pipe production line is characterized in that the two baffles are fixed on the two end faces of the shell through bolt assemblies.

Above-mentioned polyethylene area material chill roll suitable for insulating tube production line, the nut prewelding is on the baffle inside wall among the bolt assembly.

The polyethylene strip cooling roller suitable for the insulating tube production line is further provided with a driving wheel, the driving wheel is arranged on a rotating shaft on the other side opposite to the rotating joint, and the driving wheel is connected with a driving mechanism of the cooling roller.

The utility model relates to a polyethylene area material chill roll suitable for insulating tube production line, it has set up the feed liquor chamber in the casing cavity, heat exchange cavity and play sap cavity, and make water intake pipe and feed liquor pipe through rotary joint, feed liquor chamber intercommunication, make drain pipe and play sap cavity and outlet pipe way intercommunication, consequently, the cooling water is by the water intake pipe, rotary joint, the feed liquor pipe, after the feed liquor chamber gets into the heat exchange cavity, can carry out the heat exchange with the polyethylene area material of winding on the chill roll outer wall, then through going out the sap cavity, the drain pipe, during rotary joint gets into the outlet pipe way, take away the heat of polyethylene area material from this, accomplish the cooling treatment before the winding of polyethylene area material. The utility model discloses still wrap up waterproof insulation material outside feed liquor pipe for the cooling water carries out the heat exchange with heat exchange cavity normal water in preventing the feed liquor pipe. Therefore, through the utility model provides a cooling problem of handling before the winding of polyethylene area material, reached the purpose that improves insulating tube product quality.

Drawings

FIG. 1 is a schematic view of a production line for polyurethane-sprayed polyethylene-wrapped insulating pipes;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the working principle of the present invention.

The list of labels in the figure is:

i, polyethylene extrusion equipment, II, a polyethylene strip material cooling device and III, polyethylene winding equipment;

1. the device comprises a water inlet pipeline, a water outlet pipeline, a rotary joint, a liquid outlet pipe, a liquid inlet pipe, a waterproof heat-insulating material, a shell, a baffle, a bolt assembly, a rotating shaft seat, a rotating shaft, a driving wheel and a rotating shaft, wherein the water inlet pipeline 2, the water outlet pipeline 3, the rotary joint 4, the liquid outlet pipe 5, the liquid inlet pipe 6, the waterproof;

A. liquid inlet cavity, B, heat exchange cavity, C, liquid outlet cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, adopt production line of polyurethane spraying polyethylene winding technology production insulating tube, set up polyethylene area material cooling device II between polyethylene extrusion equipment I and polyethylene winding equipment III to realize the cooling treatment before the polyethylene area material winding, polyethylene area material chill roll be the key component in polyethylene area material cooling device II, arrange three groups along the direction of feed of polyethylene area material.

Referring to fig. 2, the polyethylene strip cooling roller suitable for the production line of the thermal insulation pipe of the present invention comprises a water inlet pipeline 1, a water outlet pipeline 2, a rotating shaft 11, a rotary joint 3, a shell 7 and a rotating shaft seat 10; the rotating shafts 11 are arranged at two ends of the shell 7 and supported by the rotating shaft seats 10, and one ends of the rotating shafts 11 are provided with the rotating joints 3; the rotary joint 3 is a double-liquid rotary joint which is connected with the water inlet pipeline 1 and the water outlet pipeline 2; the shell 7 is a hollow cylinder, the shell cavity is divided into a liquid inlet cavity A, a heat exchange cavity B and a liquid outlet cavity C by two baffles 8 arranged in the shell, a liquid inlet pipe 5 and a liquid outlet pipe 4 are further arranged in the shell cavity, one end of the liquid inlet pipe 5 is connected with the rotary joint 3, the other end of the liquid inlet pipe penetrates through the heat exchange cavity B to be communicated with the liquid inlet cavity A, a waterproof heat-insulating material 6 is wrapped outside the liquid inlet pipe 5, the liquid outlet pipe 4 is positioned in the liquid outlet cavity C and sleeved outside the liquid inlet pipe 5, and the liquid outlet cavity C is communicated with the rotary joint 3 through the liquid outlet pipe 4.

Referring to fig. 2, the polyethylene cooling roller with material for the production line of thermal insulation pipes of the utility model is characterized in that two baffles 8 arranged in the polyethylene cooling roller with material for the production line of thermal insulation pipes are fixed on the two end surfaces of a shell 7 through a bolt assembly 9, and nuts are prewelded on the inner side walls of the baffles 8 in the bolt assembly 9.

Referring to fig. 2, the cooling roller for polyethylene belt material in the production line of thermal insulation pipes of the present invention is further provided with a driving wheel 12 in a preferred embodiment, wherein the driving wheel 12 is arranged on the other side rotating shaft 11 opposite to the rotary joint 3, and the driving mechanism of the cooling roller is connected through the driving wheel 12.

Referring to fig. 3, the polyethylene strip cooling roller suitable for insulating tube production line, it has set up feed liquor chamber a, heat exchange chamber B and play liquid chamber C in the cavity of casing 7 to make water intake pipe 1 and feed liquor pipe 5, feed liquor chamber a communicate through rotary joint 3, make drain pipe 4 and play liquid chamber C and outlet pipe 2 communicate, therefore the cooling water is by water intake pipe 1, rotary joint 3, feed liquor pipe 5, after feed liquor chamber a got into heat exchange chamber B, can carry out the heat exchange with the polyethylene strip of winding on the cooling roller outer wall, then in getting into outlet pipe 2 through liquid chamber C, drain pipe 4, rotary joint 3, take away the heat of polyethylene strip from this, accomplish the cooling treatment before the winding of polyethylene strip.

Claims

1. A polyethylene strip cooling roller suitable for a thermal insulation pipe production line is characterized by comprising a water inlet pipeline (1), a water outlet pipeline (2), a rotating shaft (11), a rotary joint (3), a shell (7) and a rotating shaft seat (10); the rotating shafts (11) are arranged at two ends of the shell (7) and are supported by the rotating shaft seats (10), and one ends of the rotating shafts (11) are provided with rotating joints (3); the rotary joint (3) is a double-liquid rotary joint which is connected with the water inlet pipeline (1) and the water outlet pipeline (2); casing (7) are the cavity cylinder, separate the casing cavity for feed liquor chamber (A), heat exchange chamber (B) and play liquid chamber (C) through two baffles (8) of establishing, still set up feed liquor pipe (5) and drain pipe (4) in the casing cavity, feed liquor pipe (5) one end is connected with rotary joint (3), and the other end link up with feed liquor chamber (A), drain pipe (4) are arranged in a liquid chamber (C), and the suit is in feed liquor pipe (5) outside, through a liquid chamber (C) and rotary joint (3) through drain pipe (4).

2. The polyethylene strip cooling roller suitable for the insulating tube production line as claimed in claim 1, wherein the liquid inlet pipe (5) is externally wrapped with a waterproof insulating material (6).

3. The polyethylene strip cooling roll suitable for the insulating tube production line as claimed in claim 1 or 2, wherein the two baffles (8) are fixed on two end faces of the shell (7) through bolt assemblies (9).

4. The polyethylene strip cooling roll suitable for the insulating tube production line according to the claim 3, characterized in that the nut of the bolt assembly (9) is pre-welded on the inner side wall of the baffle plate (8).

5. The cooling roller for polyethylene strip material in insulating tube production line according to claim 4, characterized in that it is further provided with a driving wheel (12), said driving wheel (12) is arranged on the other side of the rotating shaft (11) opposite to the rotating joint (3), and the driving mechanism of the cooling roller is connected through the driving wheel (12).