CN211546385U - Novel polyethylene pipe crosslinking device - Google Patents

Abstract

The utility model discloses a novel polyethylene pipe cross-linking device, including temperature regulating device, temperature regulating device one side top is equipped with the import, and its opposite side bottom is equipped with the export, exit linkage has first extraction device, through treating crosslinked polyethylene union coupling between the first extraction device other end and the import, be equipped with filter equipment in the temperature regulating device, just filter equipment is between inlet and export, the import bottom is equipped with the drain. By the device, the crosslinking time is greatly shortened; the volume of the temperature control device is greatly reduced and is about below the original general volume; a plurality of pipes can be connected in series between the first extraction device and the second extraction device at the same time, so that the cross-linking efficiency of the pipes is improved; through the arrangement of the first extraction device and the second extraction device, the temperature of each point in the cross-linked pipe is balanced, and simultaneously the required cross-linking degree is achieved; the filtering device can filter out impurities after the heat transfer medium in the temperature control device is circularly heated, and the quality of the cross-linked pipeline is improved.

Description

Novel polyethylene pipe crosslinking device

Technical Field

The utility model relates to a polyethylene pipe cross-linking technical field especially relates to a novel polyethylene pipe cross-linking device.

Background

The existing cross-linking process of the cross-linked polyethylene pipe generally adopts a two-step method, wherein the first step is formed by an extruder, and the second step is to improve the cross-linking degree of the polyethylene by boiling the polyethylene pipe which is formed by extrusion in a water bath tank at a high temperature of 95 ℃, so that the temperature resistance of the pipe is improved. However, this method has several disadvantages:

1. the water boiling process is used for a long time; in order to achieve the temperature resistance required by the pipe, the water boiling needs to be carried out for a certain time;

2. the space used by the water tank for water boiling is large; because the entire pipe needs to be boiled, a large space is needed for putting the pipe into the water tank;

3. the number of the pipes which are boiled by water at one time is small, the pipes are limited by space and water quantity, only one plate can be boiled at one time, the length of one plate of pipe is about dozens of meters to one thousand meters according to the inner diameter of the pipe, the pipe wall of the pipe is not cross-linked uniformly from inside to outside, and due to the separation of the pipe wall, after the whole pipe is placed into a water tank, the water temperature inside and outside the pipe has a temperature difference, which can cause non-uniform cross-linking.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a novel polyethylene pipe cross-linking device, including temperature regulating device, temperature regulating device one side top is equipped with the import, and its opposite side bottom is equipped with the export, exit linkage has first extraction device, through treating crosslinked polyethylene union coupling between the first extraction device other end and the import, be equipped with filter equipment in the temperature regulating device, treat crosslinked polyethylene union coupling between first extraction device and second extraction device, a plurality of pipelines that can connect in parallel simultaneously have solved a plurality of pipelines and have passed through the effect of temperature regulating device cross-linking simultaneously, and filter equipment can filter the impurity after the heat transfer medium circulation heating in the temperature regulating device, has improved the quality of crosslinked pipeline.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a novel polyethylene pipe cross-linking device, includes temperature regulating device, its characterized in that: the temperature control device is characterized in that an inlet is formed in the top of one side of the temperature control device, an outlet is formed in the bottom of the other side of the temperature control device, the outlet is connected with a first extraction device, the other end of the first extraction device is connected with the inlet through a polyethylene pipe to be crosslinked, a filtering device is arranged in the temperature control device and is arranged between the inlet and the outlet, and a drain outlet is formed in the bottom end of the inlet.

Preferably, the filtering device is of an S-shaped structure.

Preferably, the edges of the S-shaped structures are all arranged to be straight plate structures, and the inner wall of the temperature control device is provided with a slot matched with the straight plate structures.

Preferably, the outlet is higher than the bottom surface of the temperature control device.

Preferably, a second extraction device is arranged between the inlet and the polyethylene pipe to be crosslinked.

Preferably, a connecting box is arranged between the second extraction device and the polyethylene pipe to be crosslinked, and the top of the connecting box is provided with an exhaust hole.

Preferably, the temperature control device is a water tank, a steam tank and an oil tank, and the first extraction device and the second extraction device are a corresponding water pump, an air pump and an oil pump.

The utility model has the advantages that: (1) by means of the device, the crosslinking time is greatly shortened. (2) The volume of the temperature control device is greatly reduced and is about the original value. (3) And a plurality of coils of pipes can be connected in series between the first extraction device and the second extraction device at the same time, so that the cross-linking efficiency of the pipes is improved. (4) Through the arrangement of the first extraction device and the second extraction device, the temperature of each point in the cross-linked pipe is balanced, and simultaneously, the required cross-linking degree is achieved. (5) The filtering device can filter out impurities after the heat transfer medium in the temperature control device is circularly heated, and the quality of the cross-linked pipeline is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the temperature control device of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to the attached drawings 1-2, the novel polyethylene pipe crosslinking device comprises a temperature control device 1, wherein an inlet 11 is arranged at the top of one side of the temperature control device 1, an outlet 12 is arranged at the bottom of the other side of the temperature control device 1, the outlet 12 is connected with a first extraction device 2, the other end of the first extraction device 2 is connected with the inlet 11 through a polyethylene pipe 3 to be crosslinked, a filter device 6 is arranged in the temperature control device 1, the filter device 6 is arranged between the inlet 11 and the outlet 12, a drain outlet 7 is arranged at the bottom end of the inlet 11, when the crosslinking work is carried out, the temperature control device 1 keeps the temperature of a medium in the temperature control device to be crosslinked to a constant crosslinking temperature, the medium is extracted from the outlet 12 through one side of the first extraction device 2 and flows into the polyethylene pipe 3 to be crosslinked from the other side, and flows back into the temperature control device, get back to the medium in temperature regulating device 1 once more, on the one hand heat up in temperature regulating device 1, on the other hand because the cross-linking time is longer, filter and purify it through filter equipment 6, improve the purity degree when cross-linking once more, prevent that the medium from adhering on waiting to cross-link polyethylene pipe 3 inner wall, influence the cross-linking quality, and filter equipment 6 can be according to cross-linking medium, select suitable filtration product, and wait to cross-link polyethylene pipe 3 can connect many coils of pipe in series and carry out the cross-linking, guarantee that the temperature everywhere in waiting to cross-link polyethylene pipe 3 is the same, the problem that many coils of pipe can not cross-link simultaneously has been solved.

Further, in order to increase the filtering area, the filtering device 6 is of an S-shaped structure, and since the speed of the medium passing through the filtering device 6 is lower than the normal flowing speed, the S-shaped structure can increase the filtering area of the medium and improve the filtering capacity.

In order to facilitate cleaning of the filtering device 6, the S-shaped structure edge is arranged into a straight plate structure 61, the inner wall of the temperature control device 1 is provided with a slot 13 matched with the straight plate structure 61, and the filtering device 6 is installed in the temperature control device 1 through the slot 13 and is convenient to install, replace and clean.

Further in order to reduce filter equipment 6's filter pressure, export 12 is higher than temperature regulating device 1 bottom surface, when the cross-linking medium gets back to temperature regulating device 1 through import 11, at first through deposiing, handle great impurity, then filter tiny, floated impurity through filter equipment 6, filter equipment 6's filter pressure has not only been reduced, the clearance and the change time of filter equipment 6 have still been prolonged simultaneously, and export 12 is higher than temperature regulating device 1 bottom surface, then can prevent that the impurity of sediment from entering into the circulation, long-time cross-linking work back, accessible drain 7 carries out the clearance of impurity.

Further in order to improve the rapid flow of the medium in the polyethylene pipe 3 to be crosslinked, the inlet 11 is connected with the polyethylene pipe 3 to be crosslinked through the second extraction device 4, and the medium flowing out of the polyethylene pipe 3 to be crosslinked can rapidly flow back to the temperature control device 1 through the second extraction device 4, so that the extraction pressure of the first extraction device 2 is reduced.

Further in order to equalize the different extraction pressures of the first extraction device 2 and the second extraction device 4, a connecting box 5 is arranged between the second extraction device 4 and the polyethylene pipe 3 to be crosslinked, the top of the connecting box 5 is provided with an exhaust hole, the first extraction device 2 extracts the medium in the temperature control device 1 and then flows into the connecting box 5, the second extraction device 4 extracts the medium in the connecting box 5 through the polyethylene pipe 3 to be crosslinked, the pressure of the medium introduced into the polyethylene pipe 3 to be crosslinked by the first extraction device 2 is reduced, and the inflow pressure of the first extraction device 2 and the extraction pressure of the second extraction device 4 can be equalized through the exhaust hole.

Further in order to be suitable for different material pipelines to carry out cross-linking treatment, temperature regulating device 1 is water tank, vapor case and oil tank, first draw-out device 2 and second draw-out device 4 are corresponding water pump, air pump and oil pump, and filter equipment 6 also is changed into corresponding filtration product.

The principle of the utility model is that: after the medium in temperature regulating device 1 is taken out through first draw-out device 2, flow into in connecting box 5, second draw-out device 4 is through waiting behind the cross-linked polyethylene pipe 3 extraction medium in connecting box 5, in the backward flow advances temperature regulating device 1, form the circulation, the medium is at first through deposiing in temperature regulating device 1, handle great impurity, then filter tiny, floating impurity through filter equipment 6, not only reduced filter equipment 6's filter pressure, the clearance and the change time of filter equipment 6 have still been prolonged simultaneously, and export 12 is higher than temperature regulating device 1 bottom surface, then can prevent that the impurity of sediment from entering into in the circulation, after long-time cross-linking work, accessible drain 7 carries out the clearance of impurity.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a novel polyethylene pipe cross-linking device, includes temperature regulating device (1), its characterized in that: temperature regulating device (1) one side top is equipped with import (11), and its opposite side bottom is equipped with export (12), export (12) are connected with first draw-out device (2), are connected through treating crosslinked polyethylene pipe (3) between first draw-out device (2) other end and import (11), be equipped with filter equipment (6) in temperature regulating device (1), just filter equipment (6) are between import (11) and export (12), import (11) bottom is equipped with drain (7).

2. The novel polyethylene pipe crosslinking device of claim 1, wherein: the filtering device (6) is of an S-shaped structure.

3. The novel polyethylene pipe crosslinking device of claim 2, wherein: the edge of the S-shaped structure is provided with a straight plate structure (61), and the inner wall of the temperature control device (1) is provided with a slot (13) matched with the straight plate structure (61).

4. The novel polyethylene pipe crosslinking device of claim 3, wherein: the outlet (12) is higher than the bottom surface of the temperature control device (1).

5. The novel polyethylene pipe crosslinking device of claim 4, wherein: and a second extraction device (4) is arranged between the inlet (11) and the polyethylene pipe (3) to be crosslinked.

6. The novel polyethylene pipe crosslinking device of claim 5, wherein: a connecting box (5) is arranged between the second extraction device (4) and the polyethylene pipe (3) to be crosslinked, and the top of the connecting box (5) is provided with an exhaust hole.

7. The novel polyethylene pipe crosslinking device of claim 6, wherein: the temperature control device (1) is a water tank, a steam tank and an oil tank, and the first extraction device (2) and the second extraction device (4) are respectively a corresponding water pump, an air pump and an oil pump.

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