CN110614173A - Submarine optical cable water-blocking material spraying device and method - Google Patents
Submarine optical cable water-blocking material spraying device and method Download PDFInfo
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- CN110614173A CN110614173A CN201911018606.7A CN201911018606A CN110614173A CN 110614173 A CN110614173 A CN 110614173A CN 201911018606 A CN201911018606 A CN 201911018606A CN 110614173 A CN110614173 A CN 110614173A
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- 239000000463 material Substances 0.000 title claims abstract description 213
- 238000005507 spraying Methods 0.000 title claims abstract description 126
- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 230000000903 blocking effect Effects 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000000779 smoke Substances 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 21
- 239000013013 elastic material Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 abstract description 8
- 230000008018 melting Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
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- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 229940057995 liquid paraffin Drugs 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
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- 239000001257 hydrogen Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
- B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
Abstract
The invention discloses a submarine optical cable water-blocking material spraying device and a submarine optical cable water-blocking material spraying method, wherein the submarine optical cable water-blocking material spraying device comprises a box body, a spraying pump, a conveying pipe, a spraying cover, a return pipe and a return groove, the spraying pump is fixed on the box body, a containing chamber for containing water-blocking materials is arranged in the box body, the first end of the spraying pump is in contact with the water-blocking materials in the containing chamber, the second end of the spraying pump is communicated with the first end of the conveying pipe, the second end of the conveying pipe is communicated with the spraying cover, the third end of the conveying pipe is communicated with the first end of the return pipe, the second end of the return pipe extends into the containing chamber, the spraying cover and the return groove are both connected with the box body through a. The method is applied to the device. The invention integrates the melting and spraying functions of the water-blocking material, has the characteristics of reducing the waste of the water-blocking material, improving the effective utilization rate of the water-blocking material and the like, is more practical and is suitable for wide popularization and use.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of submarine optical cables, in particular to a submarine optical cable water-blocking material spraying device and a spraying method applied to the submarine optical cable water-blocking material spraying device.
[ background of the invention ]
With the development of social economy, science and technology, the development of national ocean strategy and the increasing urgency of ocean equity maintenance, larger and larger submarine optical cables are required to be applied to continents and islands as well as communication between oceans. Before wrapping the copper pipe, the inner-layer steel wire armored cable needs to add water blocking materials between the steel wires and the optical units and between the steel wires for water seepage prevention treatment so as to improve the hydrogen loss resistance of the optical fiber.
At present, the existing processing mode is that the water-blocking material is directly dripped on the cable core to coat the steel wire, and the existing water-blocking material coating device is easy to cause the phenomenon that the water-blocking material splashes, so that the water-blocking material is diffused in the air, and the use of the cable cores with different diameters is not facilitated.
However, there is a water-blocking material spraying machine in the market, which uses the pressure of a pump to perform spraying construction, and has the problems of non-uniform atomization, easy blockage of a nozzle, incapability of working for a long time and the like, and the water-blocking material has poor fluidity in a water-blocking material cylinder, and is easy to agglomerate, and easily blocks a pipeline, thereby causing poor production; on the other hand, the coating amount of the water-blocking material is not uniform, so that the situation of thinness or thickness is easy to occur, and the copper pipe is easy to extrude and explode when the copper pipe is welded. If the glue product with good fluidity is adopted to replace the water-blocking material for spraying, the toxicity is higher, and the use cost is more expensive than that of the water-blocking material.
In summary, in order to solve the problems of poor coating uniformity of the water blocking material, poor flowability of the water blocking material and the like, a new spraying device for the water blocking material of the inner steel wire armor layer of the submarine optical cable is proposed.
[ summary of the invention ]
The invention mainly aims to provide the submarine optical cable water-blocking material spraying device which has the advantages of high working efficiency, short heating time, proper spraying amount, adjustable spraying length, uniform atomization, difficult blockage of a nozzle, tight combination of a water-blocking material and a steel wire and capability of absorbing smoke generated in the heating process of the water-blocking material.
The invention also aims to provide the spraying method of the submarine optical cable water-blocking material spraying device, which has the advantages of high working efficiency, short heating time, proper spraying amount, adjustable spraying length, uniform atomization, difficult blockage of a nozzle, tight combination of the water-blocking material and a steel wire and capability of absorbing smoke generated in the heating process of the water-blocking material.
In order to achieve the main purpose, the submarine optical cable water-blocking material spraying device provided by the invention comprises a box body, a spraying pump, a conveying pipe, a spraying cover, a return pipe and a return groove, wherein the spraying pump is fixed on the box body, a containing chamber for containing water-blocking materials is arranged in the box body, the first end of the spraying pump is in contact with the water-blocking materials in the containing chamber, the second end of the spraying pump is communicated with the first end of the conveying pipe, the second end of the conveying pipe is communicated with the spraying cover, the third end of the conveying pipe is communicated with the first end of the return pipe, the second end of the return pipe extends into the containing chamber, and the spraying cover and the return groove are connected with the box body through a guide pipe; the bottom of the containing chamber is provided with a heating device, and the conveying pipe is provided with a plurality of heating blocks arranged at intervals.
A further scheme is, hold indoor stirring rake and the agitator motor of being equipped with, agitator motor's output shaft with the link of stirring rake is connected, by agitator motor drive the rotation of stirring rake.
According to a further scheme, the spray cover comprises a protective cover and an atomization spray head arranged on the protective cover, a compressed air pipe is further arranged on the protective cover, the protective cover is of a groove-shaped structure with an arc-shaped cross section, and an included angle of 0-90 degrees is formed between the axis of the atomization spray head and the horizontal plane.
In a further scheme, a pipeline for communicating the material conveying pipe with the atomizing spray head is provided with a flow regulating valve for regulating the spraying amount of the water blocking material.
The further proposal is that a first pneumatic angle seat valve is arranged in front of the flow regulating valve; and a second pneumatic angle seat valve is arranged at the third end of the return pipe close to the material conveying pipe.
According to a further scheme, the box body is coated with an asbestos heat preservation and insulation layer, and the heating device is formed by uniformly arranging a plurality of resistance heating pipes at the bottom of the box body.
According to a further scheme, the bottom of the spraying cover is also provided with a fixed support for fixing the spraying cover, and the fixed support is respectively provided with a steel wire for twisting, an inlet through which the optical unit passes and a twisted cable core outlet.
According to a further scheme, the water blocking material spraying device further comprises a water blocking material scraping device, the water blocking material scraping device comprises a fixed support, an elastic material ring is connected to the fixed support, and the inner diameter of the elastic material ring is smaller than the outer diameter of the twisted cable core.
According to a further scheme, the water blocking material spraying device further comprises a smoke exhaust pipeline, one end of the smoke exhaust pipeline is communicated with the top end of the box body, and a smoke exhaust motor is arranged at the other end of the smoke exhaust pipeline.
Therefore, the submarine optical cable water-blocking material spraying device mainly comprises a box for containing molten water-blocking material, a stirring motor, a spraying pump, a heating device, a material conveying pipe, an air valve, a spraying cover and other power parts, and a water-blocking material backflow circulating spraying part. Wherein, be provided with a plurality of heating blocks on the conveying pipeline of connecting the atomizing shower head and heat the pipeline, prevent that the material that blocks water from receiving the cold solidification in the transportation, in addition, return line and atomizing shower head are opened by opening and stop of solenoid valve control compressed air, and the material that blocks water can not pile up in the pipeline under compressed air's effect.
In addition, under the effect of compressed air, liquid water blocking material is atomized, and the light unit and the steel wire of submarine cable inside are sprayed from atomizing shower head atomizing water blocking material, add the protection casing in spraying department, prevent that water blocking material from spilling out and scalding the people. And the length and the flow of the water blocking material can be controlled by adjusting the flow valve and the rotating speed of the motor, so that the coating uniformity of the water blocking material is effectively improved. Therefore, the invention integrates the melting and spraying functions of the water-blocking material, has the characteristics of reducing the waste of the water-blocking material, improving the effective utilization rate of the water-blocking material and the like, is more practical and is suitable for wide popularization and use.
In order to achieve another object, the present invention further provides a spraying method of a submarine optical cable water-blocking material spraying apparatus, which is applied to a submarine optical cable water-blocking material spraying apparatus, the method includes adding a solid/liquid water-blocking material from an upper material feeding port of a box, heating the solid/liquid water-blocking material by a heating device, and making the solid water-blocking material or the liquid water-blocking material melted to a molten flowing state enter the box; starting the stirring paddle to enable the liquid water-blocking material to continuously keep a flowing state; and starting a spray pump to pump the liquid water-blocking material into the material conveying pipe, wherein one part of the water-blocking material flows back into the box body through a return pipe, the pipeline is kept smooth under the action of compressed air, the other part of the water-blocking material is conveyed to an atomizing spray head, and the atomizing spray head atomizes and sprays the water-blocking material under the action of an electromagnetic valve and uniformly coats the water-blocking material on the steel wire and the optical unit.
Therefore, the invention integrates the melting and spraying functions of the water-blocking material, has the characteristics of reducing the waste of the water-blocking material, improving the effective utilization rate of the water-blocking material and the like, is practical and is suitable for wide popularization and use.
[ description of the drawings ]
FIG. 1 is a front view of an embodiment of the device for spraying a water blocking material on an undersea optical cable according to the present invention.
FIG. 2 is a left side view of an embodiment of the device for spraying a water blocking material on an undersea optical cable according to the present invention.
FIG. 3 is a partially enlarged view of an atomizing spray head in an embodiment of the submarine optical cable water-blocking material spraying device according to the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
An embodiment of a submarine optical cable water-blocking material spraying device comprises:
referring to fig. 1 to 3, the submarine optical cable water-blocking material spraying device of the present invention comprises a box body 1, a spraying pump 3, a material conveying pipe 4, a spraying cover, a return pipe 6 and a return chute 12, wherein the spraying pump 3 is fixed on the box body 1, a containing chamber 100 for containing water-blocking material is arranged in the box body 1, a first end of the spraying pump 3 contacts with the water-blocking material in the containing chamber 100, a second end of the spraying pump 3 is communicated with a first end of the material conveying pipe 4, a second end of the material conveying pipe 4 is communicated with the spraying cover, a third end of the material conveying pipe 4 is communicated with a first end of the return pipe 6, a second end of the return pipe 6 extends into the containing chamber 100, and the spraying cover and the return chute 12 are both connected with the box body 1 through; the bottom of the chamber 100 is provided with a heating device (not shown), and the feed pipe 4 is provided with a plurality of heating blocks 7 arranged at intervals. The water-blocking material in this embodiment may be any one of water-blocking glue, barreled or blocky semi-solid asphalt, and blocky solid paraffin.
The spray cover comprises a protective cover 15 and an atomizing spray head 11 arranged on the protective cover 15, a compressed air pipe 10 is further arranged on the protective cover 15, the protective cover 15 is of a groove-shaped structure with an arc-shaped cross section, and an included angle of 0-90 degrees is formed between the axis of the atomizing spray head 11 and the horizontal plane.
Wherein, the box body 1 is externally coated with an asbestos heat preservation and insulation layer (not shown), and the heating device adopts a plurality of resistance heating pipes which are uniformly distributed at the bottom of the box body 1. Therefore, the box body 1 is coated with the asbestos heat preservation and insulation layer, the bottom of the box body 1 is provided with a device for heating the water blocking material in the box body 1, the heating device comprises 8 resistance heating pipes, the 8 resistance heating pipes are uniformly distributed at the bottom of the box body 1, the surfaces of the heating pipes are covered and protected by the sealed stainless steel pipes, and replacement and maintenance are facilitated.
In this embodiment, the spray pump 3 is fixed on the heat preservation box 1, 8 heating pipes heat the water-blocking material at the bottom of the box 1, the conveying pipe 4 is forked after passing through the spray pump 3, one end of the conveying pipe is connected with the atomizing spray head 11 to spray the water-blocking material on the steel wire, the other end of the conveying pipe returns to the box through the return pipe 6, the work of the spray pump 3 and the spraying of the water-blocking material are controlled by the electromagnetic valve, and the work time and the intermittent time of the spray pump are set. The atomizing spray header 11 is positioned right above the steel wire twisting point, the spray cover and the feed back trough 12 are integrally communicated with the box body through the guide pipe, the atomizing spray header 11 is formed by 2 circles of small holes 13 which are uniformly distributed on one plane, and the axis of the atomizing spray header 11 and the horizontal plane form an included angle of 0-90 degrees, so that the spraying angle can be conveniently controlled.
Wherein, be equipped with stirring rake 21 and agitator motor 2 in the accommodation chamber 100, agitator motor 2's output shaft is connected with the link of stirring rake 21, by the rotation of 2 drive stirring rakes of agitator motor 21. Therefore, the stirring paddle 21 controlled by the stirring motor 2 is arranged in the box body 1, the rotating speed of the stirring paddle 21 is adjusted to control the stirring speed, the melting speed of the water blocking material can be increased, and the water blocking material is prevented from being agglomerated.
In the production process, the solidified water-blocking material is poured into the box body 1, the solid water-blocking material is melted to a molten flowing state by the plurality of resistance heating pipes, and the stirring paddle 21 is started to enable the molten water-blocking material to flow uniformly without agglomeration. In addition, the melted water-blocking material is pumped into a material conveying pipe 4 by a spray pump 3, and a part of the water-blocking material is refluxed into the box body 1 to keep the pipeline smooth under the action of compressed air; and a part of the water-blocking material flows to the water-blocking material atomizing spray head 11, and the water-blocking material is atomized and sprayed out under the action of compressed air to be uniformly coated on the steel wire and the optical unit.
Furthermore, a pipeline for communicating the material conveying pipe 4 with the atomizing spray header 11 is provided with a flow regulating valve 9 for regulating the spraying amount of the water blocking material.
Further, a first pneumatic angle seat valve 8 is provided in front of the flow rate adjustment valve 9.
Furthermore, a second pneumatic angle seat valve 9 is arranged at the third end of the return pipe close to the feed delivery pipe. Wherein, the first pneumatic angle seat valve 8 and the second pneumatic angle seat valve 9 are both Y-shaped pneumatic angle seat valves.
Further, the bottom of the spraying cover is also provided with a fixed support (not shown) for fixing the spraying cover, and the fixed support is respectively provided with a steel wire for twisting, an inlet through which the optical unit passes and a cable core outlet for twisting and forming.
Furthermore, the water blocking material spraying device further comprises a smoke exhaust pipeline (not shown), one end of the smoke exhaust pipeline is communicated with the top end of the box body 1, and the other end of the smoke exhaust pipeline is provided with a smoke exhaust motor. It can be seen that the gas such as smoke in the box body 1 is extracted by arranging the smoke exhaust pipeline. The other end of the smoke exhaust pipeline can be arranged outside the plant, so that the adverse effect of smoke on operators in the plant is avoided. Certainly, the other end of the smoke exhaust pipeline can be provided with a smoke collecting device and a smoke processing device according to requirements, so that the smoke is purified and then discharged, and the air pollution is prevented.
The stirring motor 2 and the spray pump 3 are fixed on the box body 1 through screws, the three conveying pipes are respectively connected with the spray pump 3, the pumped water-blocking material passes through the spray pump 3 and then is forked into the conveying pipes 4 to feed the material to the atomizing spray header 11 and the return pipe 6, and the return pipe 6 returns the redundant water-blocking material to the box body 1.
Preferably, the return pipe 6 is provided with a second pneumatic angle seat valve 5, when the spray pump 3 works under the control of the electromagnetic valve, the second pneumatic angle seat valve 5 works simultaneously, compressed air enters the return pipe 6, and the water blocking material in the pipe is returned to the box body 1 in time.
Preferably, in order to prevent the water-blocking material in the material conveying pipe 4 from being cooled to block a pipeline or being sprayed unsmoothly in the transportation process, the heating blocks 7 are arranged on the material conveying pipe 4 and the atomizing spray heads 11, so that the water-blocking material is melted and sprayed out at a certain temperature; a flow control valve 9 is arranged in front of the atomizing spray head 11 to control the spraying amount of the water-blocking material; a first pneumatic angle seat valve 8 is arranged in front of the flow regulating valve 9, when the solenoid valve controls the spray pump 3 to work, the first pneumatic angle seat valve 8 also starts to work, and compressed air is blown into the material conveying pipe 4 to push and convey water blocking materials to the atomizing spray head 11. Wherein, the atomizing spray head 11 is provided with a plurality of small holes 13, the compressed air sprays the melted water-blocking material through the compressed air pipe 10 under the control of the electromagnetic valve, the melted water-blocking material is uniformly coated on the surfaces of the steel wire and the optical unit, and the redundant water-blocking material is remained in the feed-back groove 12 and flows back to the box body 1 again. Certainly, in order to ensure the angle of the water-blocking material atomizing and spraying, the included angle between the axis of the atomizing and spraying head 11 and the horizontal plane is 0-90 degrees, so that the adjustment is convenient, and the coating quality of the water-blocking material is ensured.
Furthermore, a water blocking material scraping device (not shown) is further arranged behind the stranding forming die and comprises a fixing support, an elastic material ring is connected to the fixing support, the diameter of the elastic material ring is slightly smaller than that of the cable core, and the inner diameter of the elastic material ring is smaller than the outer diameter of the stranded cable core. Wherein, scrape and hang the water blocking material device and generally set up in submarine optical cable exit, because the submarine cable is through water blocking material atomizing shower head coating back, the water blocking material of its surface adhesion is probably more, especially when spraying liquid water blocking glue or semi-solid state pitch, drip phenomenon can appear, for preventing the emergence of this kind of condition, the cable core that will coat with pitch passes and scrapes water blocking material device, because the internal diameter of elastic material circle is less than the external diameter of cable type, so the elastic material circle will be more block water and strike off, eliminate drip phenomenon, the even attached to on the cable core of water blocking material. The water blocking material spraying device provided by the invention avoids the problem that too much water blocking material is coated on the optical cable to cause the welding leakage of the copper pipe. The elastic material ring is an annular structure made of elastic materials, such as a rubber ring and the like, the good elasticity of the elastic material ring can ensure that the cable core can pass through smoothly, and the coating thickness and uniformity of the water blocking material can be effectively ensured.
Therefore, the submarine optical cable water-blocking material spraying device mainly comprises a box body 1 for containing molten water-blocking materials, a stirring motor 2, a spraying pump 3, a heating device, a material conveying pipe 4, an air valve, a spraying cover and other power parts and a water-blocking material backflow circulating spraying part, wherein in the production spraying process, solidified water-blocking materials are poured into the box body 1, the water-blocking materials are heated and melted into liquid in the box body 1 and then pumped into the material conveying pipe 4 through the spraying pump 3, a part of the water-blocking materials are conveyed to an atomizing spray head 11, and a part of the water-blocking materials flow back into the box body 1 along the material conveying pipe 4. Wherein, be provided with a plurality of heating blocks 7 on the conveying pipeline 4 of connecting atomizing shower head 11 and heat the pipeline, prevent that the material that blocks water from freezing in the transportation, in addition, backflow pipeline and atomizing shower head 11 stop by opening of solenoid valve control compressed air, and the material that blocks water can not pile up in the pipeline under compressed air's effect.
In addition, under the effect of compressed air, liquid water blocking material is atomized, and the inside optical unit of submarine cable and steel wire are sprayed from atomizing shower head 11 department atomizing water blocking material, adds protection casing 15 in spraying department, prevents that water blocking material from spilling out and scalding the people. And the flow of the water blocking material can be controlled by adjusting the flow valve and the rotating speed of the motor, so that the coating uniformity of the water blocking material is effectively improved. Therefore, the invention integrates the melting and spraying functions of the water-blocking material, can reduce the waste of the water-blocking material, improves the effective utilization rate of the water-blocking material, is practical and is suitable for wide popularization and use.
The embodiment of a spraying method of a submarine optical cable water-blocking material spraying device comprises the following steps:
the embodiment provides a spraying method of a submarine optical cable water-blocking material spraying device, which is applied to the submarine optical cable water-blocking material spraying device shown in fig. 1 to 3. Adding a solid/liquid water-blocking material from an upper material conveying port of a box body 1, heating the solid/liquid water-blocking material by a heating device, and enabling the solid water-blocking material or the liquid water-blocking material which is melted to be in a molten flowing state to enter the box body 1; starting the stirring paddle 21 to keep the liquid water-blocking material in a flowing state continuously; the spray pump 3 is started to pump the liquid water-blocking material into the material conveying pipe 4, one part of the water-blocking material flows back into the box body 1 through the return pipe, the pipeline is kept smooth under the action of compressed air, the other part of the water-blocking material is conveyed to the atomizing spray head 11, and under the action of the electromagnetic valve, the water-blocking material is atomized and sprayed out by the atomizing spray head 11 and is uniformly coated on the steel wire and the optical unit.
The water-blocking material in this embodiment may be any one of water-blocking glue, barreled or blocky semi-solid asphalt, and blocky solid paraffin, and the application of the water-blocking materials will be further described below with reference to the spraying method of this embodiment and the spraying apparatus of fig. 1 to 3:
the water-blocking material in this embodiment may be a water-blocking glue, the stirring motor 2 and the spray pump 3 are both fixed on the box 1 by screws, the three material delivery pipes 4 are respectively connected with the spray pump 3, the liquid water-blocking glue is poured into the box 1, the water-blocking glue has good fluidity at normal temperature, the water-blocking glue can be pumped up by the spray pump 3 without starting a heating device, the pumped water-blocking glue is forked after passing through the spray pump 3 to feed the material delivery pipes 4 to the atomizing spray header 11 and the return pipe 6 to feed the redundant water-blocking glue back to the box 1, the return pipe 6 is provided with a second pneumatic angle seat valve 5, when the spray pump 3 works under the control of the electromagnetic valve, the second pneumatic angle seat valve 5 works simultaneously, compressed air enters the return pipe 6, and the water-blocking glue in the pipes timely returns to the box 1.
The water-blocking glue is conveyed to the atomizing spray header 11 under the pressure of the pump, and a flow control valve 9 is arranged in front of the atomizing spray header 11 to control the spraying amount of the water-blocking glue; a Y-shaped pneumatic angle seat valve is arranged in front of the flow regulating valve 9, when the solenoid valve controls the spray pump 3 to work, the Y-shaped pneumatic angle seat valve also starts to work, and compressed air is blown into the material conveying pipe 4 to push and convey the water blocking glue to the atomizing spray head 11. The atomizing spray head 11 is provided with a plurality of small holes 13, the compressed air sprays the liquid water-blocking glue through the compressed air pipe 10 under the control of the electromagnetic valve, the liquid water-blocking glue is uniformly coated on the surfaces of the steel wires and the optical units, and the redundant water-blocking glue is remained in the reflux groove 12 and reflows to the box body 1 again. In order to ensure the atomizing spraying angle of the water-blocking glue, the axis of the atomizing spraying head 11 forms an included angle of 0-90 degrees with the horizontal plane, so that the adjustment is convenient, and the coating quality of the water-blocking glue is ensured.
Therefore, the cable core spraying device is suitable for water-blocking spraying of cable cores with various diameters, and the water-blocking effect required by the cable cores with different diameters and different water-blocking requirements can be adjusted by adjusting the spraying amount of the water-blocking material.
The water-blocking material in this embodiment may also be a barreled or block-shaped semi-solid asphalt, the solidified asphalt is added from the upper material conveying port of the box body 1, and due to the heating effect of the heating device below the box body 1, the semi-solid asphalt absorbs the heat transferred below and then falls freely, enters the heating space in the box body 1, and is further heated until the solid asphalt material is completely melted, so that the solid asphalt material becomes liquid. In order to prevent the asphalt from being cooled and agglomerated, the motor drives the stirring paddle 21 to continuously keep the asphalt in a flowing state, the melted asphalt is pumped up by the spray pump 3, and the pumped molten asphalt is branched after passing through the spray pump 3 and then is fed into the atomizing spray header 11 and the return pipe 6 to feed the redundant asphalt back into the box body 1. A second pneumatic angle seat valve 5 is arranged on the return pipe 6, when the spray pump 3 works under the control of the electromagnetic valve, the second pneumatic angle seat valve 5 works simultaneously, compressed air enters the return pipe 6, and liquid asphalt in the pipe flows down in time
In order to prevent the asphalt from being cooled to block a pipeline or not spraying smoothly in the conveying process, heating blocks 7 are arranged at the conveying pipe 4 and the atomizing spray header 11, and the temperature is sensed by a thermocouple, so that the pipeline is continuously kept above the melting temperature of the asphalt, and the asphalt is melted and sprayed out at a certain temperature. A flow control valve 9 is arranged in front of the atomizing spray head 11 to control the spraying amount of the paraffin. A Y-shaped pneumatic angle seat valve is arranged in front of the flow control valve, when the solenoid valve controls the spray pump 3 to work, the Y-shaped pneumatic angle seat valve also starts to work, and compressed air is blown into the material conveying pipe 4 to push and convey liquid paraffin to the atomizing spray header 11. The atomizing spray head 11 is provided with a plurality of small holes 13, the compressed air sprays out the melted paraffin through the compressed air pipe 10 under the control of the electromagnetic valve, the melted paraffin is uniformly coated on the surfaces of the steel wire and the optical unit, and the redundant asphalt is left in the reflux groove 12 and reflows to the box body 1 again. In the embodiment, the length and the flow of the asphalt spraying are controlled by adjusting the working time and the intermittent time of the electromagnetic valve.
The water-blocking material of the embodiment may also be block solid paraffin, the block solid paraffin is poured into the box body 1, and the paraffin is further heated under the action of the heating device at the bottom of the box body 1 until the paraffin is completely melted. The paraffin is heated into a molten state and has good fluidity, the liquid paraffin is always in a flowing state and cannot be solidified under the action of the stirring paddle 21, and the pumped molten paraffin is conveyed to the spray pump 3 and then is branched into the material conveying pipe 4 to convey to the atomizing spray header 11 and the return pipe 6 to feed the redundant paraffin back to the box body 1. The return pipe 6 is provided with a second pneumatic angle seat valve 5, when the spray pump 3 works under the control of the electromagnetic valve, the second pneumatic angle seat valve 5 works simultaneously, compressed air enters the return pipe 6, and liquid paraffin in the pipe flows down in time.
In order to prevent the paraffin in the delivery pipe 4 from being cooled to block a pipeline or being sprayed unsmoothly in the transportation process, a plurality of heating blocks 7 are arranged on the return pipe 6, the spray pump 3, the delivery pipe 4, the flow control valve 9 and the atomizing spray header 11 to keep the temperature of the molten liquid paraffin so that the molten liquid paraffin can be kept in a liquid state and can be sprayed out in a melting mode, and the flow control valve 9 is arranged in front of the atomizing spray header 11 to control the spraying amount of the paraffin. A Y-shaped pneumatic angle seat valve is arranged in front of the flow control valve, when the solenoid valve controls the spray pump 3 to work, the Y-shaped pneumatic angle seat valve also starts to work, and compressed air is blown into the material conveying pipe 4 to push and convey liquid paraffin to the atomizing spray header 11. The atomizing spray head 11 is provided with a plurality of small holes 13, the compressed air sprays out the melted paraffin through the compressed air pipe 10 under the control of the electromagnetic valve, the melted paraffin is evenly coated on the surfaces of the steel wire and the optical unit, the redundant paraffin is left in the reflux groove 12 and reflows to the box body 1 again, the pressure of the compressed air is increased due to the low freezing point of the paraffin, and the temperature of the atomizing spray head 11 is properly increased, so that the paraffin is still in a liquid state when being sprayed on the cable core. In order to ensure the atomization spraying of the paraffin, the axis of the atomization spraying head 11 and the horizontal plane form an included angle of 0-90 degrees, so that the adjustment is convenient, and the paraffin coating quality is ensured.
Therefore, the invention integrates the melting and spraying functions of the water-blocking material, has the characteristics of reducing the waste of the water-blocking material, improving the effective utilization rate of the water-blocking material and the like, is practical and is suitable for wide popularization and use.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept also fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an undersea optical cable water blocking material spraying device which characterized in that includes:
the water-blocking material spraying device comprises a box body, a spraying pump, a conveying pipe, a spraying cover, a return pipe and a return chute, wherein the spraying pump is fixed on the box body, a containing chamber for containing water-blocking materials is formed in the box body, the first end of the spraying pump is in contact with the water-blocking materials in the containing chamber, the second end of the spraying pump is communicated with the first end of the conveying pipe, the second end of the conveying pipe is communicated with the spraying cover, the third end of the conveying pipe is communicated with the first end of the return pipe, the second end of the return pipe extends into the containing chamber, and the spraying cover and the return chute are connected with the box body through a guide pipe;
the bottom of the containing chamber is provided with a heating device, and the conveying pipe is provided with a plurality of heating blocks arranged at intervals.
2. The submarine optical cable water-blocking material spraying device according to claim 1, wherein:
the indoor stirring rake and the agitator motor of being equipped with of holding, agitator motor's output shaft with the link of stirring rake is connected, by agitator motor drive the rotation of stirring rake.
3. The submarine optical cable water-blocking material spraying device according to claim 1, wherein:
the spray cover comprises a protective cover and an atomization spray header arranged on the protective cover, a compressed air pipe is further arranged on the protective cover, the protective cover is of a groove-shaped structure with an arc-shaped cross section, and an included angle of 0-90 degrees is formed between the axis of the atomization spray header and the horizontal plane.
4. The submarine optical cable water-blocking material spraying device according to claim 3, wherein:
and a pipeline for communicating the material conveying pipe with the atomizing spray head is provided with a flow regulating valve for regulating the spraying amount of the water blocking material.
5. The submarine optical cable water-blocking material spraying device according to claim 4, wherein:
a first pneumatic angle seat valve is arranged in front of the flow regulating valve;
and a second pneumatic angle seat valve is arranged at the third end of the return pipe close to the material conveying pipe.
6. The submarine optical cable water-blocking material spraying device according to any one of claims 1 to 5, wherein:
the box body is coated with an asbestos heat preservation and insulation layer, and the heating device adopts a plurality of resistance heating pipes which are uniformly distributed at the bottom of the box body.
7. The submarine optical cable water-blocking material spraying device according to any one of claims 1 to 5, wherein:
the bottom of the spraying cover is also provided with a fixed support for fixing the spraying cover, and the fixed support is respectively provided with a steel wire for twisting, an inlet through which the optical unit passes and a twisted cable core outlet.
8. The submarine optical cable water-blocking material spraying device according to any one of claims 1 to 5, wherein:
the water blocking material spraying device further comprises a water blocking material scraping device, the water blocking material scraping device comprises a fixed support, an elastic material ring is connected to the fixed support, and the inner diameter of the elastic material ring is smaller than the outer diameter of the twisted cable core.
9. The submarine optical cable water-blocking material spraying device according to any one of claims 1 to 5, wherein:
the water blocking material spraying device further comprises a smoke exhaust pipeline, one end of the smoke exhaust pipeline is communicated with the top end of the box body, and the other end of the smoke exhaust pipeline is provided with a smoke exhaust motor.
10. A method for spraying a submarine optical cable water-blocking material spraying device, which is applied to the submarine optical cable water-blocking material spraying device according to any one of claims 1 to 9, and comprises the following steps:
adding a solid/liquid water-blocking material from an upper material conveying port of the box body, heating the solid/liquid water-blocking material by a heating device, and making the solid water-blocking material or the liquid water-blocking material molten to be in a molten flowing state enter the box body;
starting the stirring paddle to enable the liquid water-blocking material to continuously keep a flowing state;
and starting a spray pump to pump the liquid water-blocking material into the material conveying pipe, wherein one part of the water-blocking material flows back into the box body through a return pipe, the pipeline is kept smooth under the action of compressed air, the other part of the water-blocking material is conveyed to an atomizing spray head, and the atomizing spray head atomizes and sprays the water-blocking material under the action of an electromagnetic valve and uniformly coats the water-blocking material on the steel wire and the optical unit.
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| CN201911018606.7A CN110614173A (en) | 2019-10-24 | 2019-10-24 | Submarine optical cable water-blocking material spraying device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911018606.7A CN110614173A (en) | 2019-10-24 | 2019-10-24 | Submarine optical cable water-blocking material spraying device and method |
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| CN110614173A true CN110614173A (en) | 2019-12-27 |
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Cited By (1)
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|---|---|---|---|---|
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