CN103286895A - A vulcanization method for rubber cable production by using a dry method and a device thereof - Google Patents
A vulcanization method for rubber cable production by using a dry method and a device thereof Download PDFInfo
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- CN103286895A CN103286895A CN2013102541816A CN201310254181A CN103286895A CN 103286895 A CN103286895 A CN 103286895A CN 2013102541816 A CN2013102541816 A CN 2013102541816A CN 201310254181 A CN201310254181 A CN 201310254181A CN 103286895 A CN103286895 A CN 103286895A
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Abstract
The present invention discloses a vulcanization method for rubber cable production by using a dry method. The method comprises: in a closed pipeline, the upper part of the pipeline is heated by using transformer short circuits (stepwise heating, 6m per segment), the upper part of the pipeline is filled with nitrogen gas as a heating medium to allow cable materials to be subjected to chemical vulcanization reactions, and nitrogen or water is employed for cooling the cable in the lower part of the pipeline. According to the vulcanization method for rubber cable production by using the dry method and a device thereof, a dry and stable medium is used as the heating medium in the vulcanization process of rubber cable materials, which can effectively overcome water-tree generation in the vulcanization process of the cable, improve the voltage rating of the cable, and enhance the product's safety performance and service life; and transformer short circuits are used for heating, eliminating the need for steam boilers, which is environmentally friendly.
Description
Technical field
The present invention relates to rubber cable production line technology field, particularly a kind of dry method rubber cable production line vulcanization process and device.
Background technology
Rubber cable production line of the prior art is by Rubber Extruder, rubber head, hauling machine, retractable cable, storage line device, sealing up and down, pipeline, carbonated drink road, electric-control system etc. are formed up and down, main effect is that core is extruded three layers (or one decks or two-layer), cable after extruding is through the high-temperature and high-pressure enclosing pipeline, make rubber cable material carry out the chemical cure reaction, the rubber cable voltage withstand class is improved.
At present, the vulcanization process that rubber cable production line adopts is wet method: i.e. Steam Heating sulfuration, water cooling.Its structure can be with reference to shown in Figure 1, on seal 11 place's water vapours and enter, following sealing 12 place's backwater are closing pipe line 2 between the two, wherein upper pipeline 21 inner filling water steam are used for the cable baking; Pipeline 22 inner filling waters in bottom are used for the cable cooling.
The rubber cable that existing rubber cable production line vulcanization process is produced, voltage withstand class is low, and sulfidation contacts with water vapour, makes cable produce the water tree easily, punctures easily in the cable running.
Therefore, at above-mentioned situation, how can solve effectively because the generation of cable water tree in sulfidation improves the cable voltage grade, become the important technological problems that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of dry method rubber cable production line vulcanization process, can solve effectively because the generation of cable water tree in sulfidation improves the cable voltage grade.
The present invention also provides a kind of dry method rubber cable production line vulcanization plant of having used said method.
For achieving the above object, the invention provides following technical scheme:
A kind of dry method rubber cable production line vulcanization process in the sulfidation of rubber cable material, adopts dry stable as heat medium.
Preferably, specifically adopt nitrogen to be full of the reaction pipeline as heat medium.
Preferably, in the sulfidation of rubber cable material, adopt the transformer short-circuit heating in the outside of reaction pipeline.
Preferably, adopt transformer short-circuit heating segmentation heating in the outside of reaction pipeline.
Preferably, the outside every 6m at the reaction pipeline arranges above-mentioned transformer short-circuit heater.
Preferably, described transformer short-circuit heater specifically adopts transformer copper-aluminum wrapped calandria road.
Preferably, in the cooling procedure of rubber cable, adopt nitrogen as cooling medium.
Preferably, in the cooling procedure of rubber cable, adopt water as cooling medium.
A kind of dry method rubber cable production line vulcanization plant comprises the upper pipeline that is respectively applied to vulcanization reaction and the bottom pipeline that is used for cooling, is used for above-mentioned dry method rubber cable production line vulcanization process, adopts dry stable as heat medium in the described upper pipeline.
Preferably, pipeline inside, described bottom is full of nitrogen or water as cooling medium.
From above-mentioned technical scheme as can be seen, dry method rubber cable production line vulcanization process provided by the invention, in the sulfidation of rubber cable material, adopt dry stable as heat medium, solve the low problem of rubber cable voltage withstand class in the wet processing effectively, avoided sulfidation to contact with steam, reduced the generation of water tree phenomenon, thereby reduced breakdown risk in the cable running, promoted security of products energy and service life.
The present invention also provides a kind of dry method rubber cable production line vulcanization plant of having used said method.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Vulcanization process (wet method) schematic diagram of the rubber cable production line that Fig. 1 provides for the embodiment of the invention;
Vulcanization process (dry method) schematic diagram of the rubber cable production line that Fig. 2 provides for the embodiment of the invention.
Wherein, 11 is last sealing, and 12 are sealing down, and 2 is closing pipe line, and 21 is upper pipeline, and 22 is the bottom pipeline, and 3 is the transformer short-circuit heater.
The specific embodiment
Core of the present invention is to disclose a kind of dry method rubber cable production line vulcanization process, can solve effectively because the generation of cable water tree in sulfidation improves the cable voltage grade.
For the ease of understanding, now the technical term that relates in this case is explained as follows:
Water tree: in insulation, have moisture, electric stress and some risk factor, some microchannels that develop into during as impurity, projection, space charge or ion.Under the effect of AC field and moisture, the water tree is a kind of phenomenon that degraded takes place insulating material of polymer.Under the acting in conjunction of moisture and electric field, the water tree is to bring out the main cause that high voltage power cable destroys.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 1 and Fig. 2, vulcanization process (wet method) schematic diagram of the rubber cable production line that Fig. 1 provides for the embodiment of the invention; Vulcanization process (dry method) schematic diagram of the rubber cable production line that Fig. 2 provides for the embodiment of the invention.
The dry method rubber cable production line vulcanization process that the embodiment of the invention provides, its core improvement are, in the sulfidation of rubber cable material, adopt dry stable as heat medium, thereby substitute the water vapour in the existing wet processing.
From above-mentioned technical scheme as can be seen, the dry method rubber cable production line vulcanization process that the embodiment of the invention provides, in the sulfidation of rubber cable material, adopt dry stable as heat medium, solve the low problem of rubber cable voltage withstand class in the wet processing effectively, avoided sulfidation to contact with steam, reduced the generation of water tree phenomenon, thereby reduced breakdown risk in the cable running, promoted security of products energy and service life.
In the embodiment that this programme provides, specifically adopt nitrogen to be full of the reaction pipeline as heat medium, nitrogen enters upper pipeline 21 by last sealing 11 places.Take full advantage of the stable characteristics of nitrogen chemical property here, be difficult under the normal temperature react with other materials, also can not have influence on the sulfidation of rubber cable material.Certainly, just provided comparatively preferred implementation at this, those skilled in the art can also select other suitable media for use according to actual conditions, as long as satisfy drying and the vulcanization reaction that does not influence this case, do not repeat them here.
In order further to optimize above-mentioned technical scheme, in the sulfidation of rubber cable material, adopt the transformer short-circuit heating in the outside of reaction pipeline.Owing to save steam boiler, be conducive to environmental protection, short circuit heating and chemical process are combined efficient energy-saving.
In the dry method rubber cable production line vulcanization process that the embodiment of the invention provides, adopt transformer short-circuit heating segmentation heating in the outside of reaction pipeline.Its structure arranges above-mentioned transformer short-circuit heater 3 at outside every 6m of reaction pipeline (being upper pipeline 21) as shown in Figure 2.
Concrete, transformer short-circuit heater 3 can adopt transformer copper-aluminum wrapped calandria road, is used for the heat cross-linking of rubber cable.Be understandable that; concrete form about the short circuit heating; those skilled in the art can make suitable adjustment according to actual needs, will be apparent concerning those skilled in the art to the multiple modification of these embodiment, all within the protection domain of technical solution of the present invention.
As preferably, in the cooling procedure of rubber cable, adopt nitrogen as cooling medium, namely whole process of production is absolutely dry method.Its structure as shown in Figure 2, pipeline 22 inside in bottom are full of nitrogen and are used for the cable cooling, the corresponding nitrogen cooling system that arranges comprises plate type heat exchanger and nitrogen circulation blower fan.Certainly, in the cooling procedure of rubber cable, all right water is semidry method as cooling medium.
The present invention also provides a kind of dry method rubber cable production line vulcanization plant of having used said method, comprise the upper pipeline 21 that is respectively applied to vulcanization reaction and the bottom pipeline 22 that is used for cooling, its core improvement is, be used for above-mentioned dry method rubber cable production line vulcanization process, adopt dry stable as heat medium in the upper pipeline 21, pipeline 22 inside in bottom are full of nitrogen or water as cooling medium, and its corresponding water cooling system can be with reference to prior art.
In sum, the dry method rubber cable production line vulcanization process that the embodiment of the invention provides: 2 li of closing pipe lines, upper pipeline 21 utilizes transformer short-circuit heating (segmentation heating, one section of 6m), be full of nitrogen as heat medium in the upper pipeline 21, make CABLE MATERIALS carry out the chemical cure reaction, bottom pipeline 22 adopts nitrogen or water to cool off to cable.
Dry method rubber cable production line vulcanization process and device in this case, in the sulfidation of rubber cable material, adopt dry stable as heat medium, can solve effectively because the generation of cable water tree in sulfidation, the cable voltage grade improves, and has promoted security of products energy and service life; On the other hand, adopt the transformer short-circuit heating, save steam boiler, be conducive to environmental protection.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a dry method rubber cable production line vulcanization process is characterized in that, in the sulfidation of rubber cable material, adopts dry stable as heat medium.
2. dry method rubber cable production line vulcanization process according to claim 1 is characterized in that, specifically adopts nitrogen to be full of the reaction pipeline as heat medium.
3. dry method rubber cable production line vulcanization process according to claim 2 is characterized in that, in the sulfidation of rubber cable material, adopts the transformer short-circuit heating in the outside of reaction pipeline.
4. dry method rubber cable production line vulcanization process according to claim 3 is characterized in that, adopts transformer short-circuit heating segmentation heating in the outside of reaction pipeline.
5. dry method rubber cable production line vulcanization process according to claim 4 is characterized in that, at outside every 6m of reaction pipeline above-mentioned transformer short-circuit heater is set.
6. dry method rubber cable production line vulcanization process according to claim 4 is characterized in that described transformer short-circuit heater specifically adopts transformer copper-aluminum wrapped calandria road.
7. according to any described dry method rubber cable production line vulcanization process of claim 1-6, it is characterized in that, in the cooling procedure of rubber cable, adopt nitrogen as cooling medium.
8. according to any described dry method rubber cable production line vulcanization process of claim 1-6, it is characterized in that, in the cooling procedure of rubber cable, adopt water as cooling medium.
9. dry method rubber cable production line vulcanization plant, comprise the upper pipeline that is respectively applied to vulcanization reaction and the bottom pipeline that is used for cooling, it is characterized in that, be used for any described dry method rubber cable production line vulcanization process of claim 1-8, adopt dry stable as heat medium in the described upper pipeline.
10. dry method rubber cable production line vulcanization plant according to claim 9 is characterized in that, pipeline inside, described bottom is full of nitrogen or water as cooling medium.
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| CN2013102541816A CN103286895A (en) | 2013-06-24 | 2013-06-24 | A vulcanization method for rubber cable production by using a dry method and a device thereof |
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| CN2013102541816A CN103286895A (en) | 2013-06-24 | 2013-06-24 | A vulcanization method for rubber cable production by using a dry method and a device thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290151A (en) * | 2011-09-02 | 2011-12-21 | 王向超 | High-voltage cable cross-linking device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290151A (en) * | 2011-09-02 | 2011-12-21 | 王向超 | High-voltage cable cross-linking device |
Non-Patent Citations (2)
| Title |
|---|
| 天津大学化工系高分子教研室: "《高分子化学》", 31 October 1979, article "《橡胶的交联－硫化过程》", pages: 338 * |
| 高云霞: "《煤矿电气设备检修工艺》", 31 October 1993, article "《橡胶电缆的硫化热补》", pages: 68 * |
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Application publication date: 20130911 |