CN113355930A - Preparation method of small-size filling rope for cable - Google Patents
Preparation method of small-size filling rope for cable Download PDFInfo
- Publication number
- CN113355930A CN113355930A CN202110429730.3A CN202110429730A CN113355930A CN 113355930 A CN113355930 A CN 113355930A CN 202110429730 A CN202110429730 A CN 202110429730A CN 113355930 A CN113355930 A CN 113355930A
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- Prior art keywords
- stirring
- shaped
- rope
- belts
- cloth
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3014—Asbestos
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/2035—High temperature resistance
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2076—Power transmissions
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- Fireproofing Substances (AREA)
Abstract
A preparation method of a filling rope for a small-size cable comprises the following steps: 20-25% of foamed asbestos, 65-75% of calcium carbonate, 8% of penetrating agent, 1% of magnesium hydroxide and 0.5% of aluminum hydroxide are put into a mixing stirrer, the rotating speed of the mixing stirrer is set to be 800 revolutions per minute, and stirring is carried out for 12 hours to obtain a stirring mixture; placing the stirred mixture in a storage tank, and standing for 8 hours; putting the mixed material obtained in the step 2) into a mixing stirrer, wherein the rotating speed of the mixing stirrer is set to 800 revolutions per minute, and stirring is carried out for 12 hours; putting the stirring mixture obtained in the step 3) into a trough of a coating machine, and coating the stirring mixture on a canvas conveying belt of the coating machine to form a cloth-shaped belt with the thickness of 0.08 mm; cutting the cloth-shaped belt obtained in the step 4) into a plurality of strip-shaped cloth-shaped belts; respectively contracting the plurality of cloth-shaped belts obtained in the step 5) into rope-shaped belts and rolling; and drying; dividing the rope-shaped belts in the step 6) into 2 belts as a group, and stirring the belts into filling ropes with the diameter of 2mm by using a rope stirring device.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a preparation method of a small-size filling rope for a cable.
Background
The cable center mainly comprises sinle silk and filler, and the effect of filler is to fill to between wire cable's sheath and the sinle silk for there is not the space between sheath and the sinle silk, and the circular packing of cable is complete, wire cable tensile strength increase, structure are firm.
The diameter of the smallest-sized filling rope currently on the market is 3mm, and the diameter is 0.75mm2In the following cable, the filling protrusion can be caused when the wire core is cabled, and the cabled wire core is notRounding; meanwhile, the existing filling rope has no flame retardance, so that the flame retardant property of the produced cable is poor.
Therefore, further optimization of existing cable filler lines is needed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the cross section of the filler is too large and is filled in a small-sized cable, so that the cable expands and the flame retardant property of the cable is poor.
Aiming at the technical problem, the invention provides a filling line with a small cross section for a cable, and a preparation method of a filling rope for a small-sized cable, which comprises the following steps:
1) 20-25% of foamed asbestos, 65-75% of calcium carbonate, 8% of penetrating agent, 1% of magnesium hydroxide and 0.5% of aluminum hydroxide are put into a mixing stirrer, the rotating speed of the mixing stirrer is set to be 800 revolutions per minute, and stirring is carried out for 12 hours to obtain a stirring mixture;
2) placing the stirred mixture in a storage tank, and standing for 8 hours;
3) putting the mixed material obtained in the step 2) into a mixing stirrer, wherein the rotating speed of the mixing stirrer is set to 800 revolutions per minute, and stirring is carried out for 12 hours;
4) putting the stirring mixture obtained in the step 3) into a trough of a coating machine, and coating the stirring mixture on a canvas conveying belt of the coating machine to form a cloth-shaped belt with the thickness of 0.08 mm;
5) cutting the cloth-shaped belt obtained in the step 4) into a plurality of strip-shaped cloth-shaped belts;
6) respectively contracting the plurality of cloth-shaped belts obtained in the step 5) into rope-shaped belts and rolling; and drying;
7) dividing the rope-shaped belts in the step 6) into 2 belts as a group, and stirring the belts into filling ropes with the diameter of 2mm by using a rope stirring device.
Preferably, the penetrant is one or more of sulfated castor oil, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, sodium alkyl sulfate, secondary sodium alkyl sulfonate and sodium secondary alkyl sulfate.
Preferably, the asbestos foam is present in an optimal amount of 22.5%.
Preferably, the optimum content of calcium carbonate is 68%.
Compared with the prior art, the invention has the following beneficial effects: the foamed asbestos, the magnesium hydroxide and the aluminum hydroxide are used as raw materials, and have strong flame retardance, so that the prepared cable also has strong flame retardance; the raw materials are mixed and coated on a canvas conveying belt of a coating machine to form a cloth-shaped belt with the thickness of 0.08mm, and then 2 cloth-shaped belts are stirred into a filling rope with the thickness of only 0.16mm, the cross section is small, and the coating machine is suitable for the filling rope with the cross section of 0.75mm2Or less than 0.75mm2The cable solves the technical problem that the filling rope is too large to cause cable expansion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Example one
A preparation method of a filling rope for a small-size cable comprises the following steps:
1) 20-25% of foamed asbestos, 65-75% of calcium carbonate, 8% of penetrating agent, 1% of magnesium hydroxide and 0.5% of aluminum hydroxide are put into a mixing stirrer, the rotating speed of the mixing stirrer is set to be 800 revolutions per minute, and stirring is carried out for 12 hours to obtain a stirring mixture;
2) placing the stirred mixture in a storage tank, and standing for 8 hours;
3) putting the mixed material obtained in the step 2) into a mixing stirrer, wherein the rotating speed of the mixing stirrer is set to 800 revolutions per minute, and stirring is carried out for 12 hours;
4) putting the stirring mixture obtained in the step 3) into a trough of a coating machine, and coating the stirring mixture on a canvas conveying belt of the coating machine to form a cloth-shaped belt with the thickness of 0.08 mm;
5) cutting the cloth-shaped belt obtained in the step 4) into a plurality of strip-shaped cloth-shaped belts;
6) respectively contracting the plurality of cloth-shaped belts obtained in the step 5) into rope-shaped belts and rolling; and drying;
7) dividing the rope-shaped belts in the step 6) into 2 belts as a group, and stirring the belts into filling ropes with the diameter of 2mm by using a rope stirring device.
The penetrant is one or more of sulfated castor oil, sodium alkylsulfonate, sodium alkyl benzene sulfonate, sodium alkyl sulfate, secondary alkyl sodium sulfonate, and secondary alkyl sodium sulfate.
Example two
Calcium carbonate is volatile, and can volatilize due to unstable performance when being mixed with other raw materials, so that the quality of cabling is influenced; the foamed asbestos has flame retardance, and the content ratio of the foamed asbestos and calcium carbonate has influence on the quality and the flame retardance of the cable; when the raw materials are mixed, the proportion of the components has influence on whether the performance of the formed mixture is stable and the flame retardant performance;
the following table shows the experimental records of different proportions of the foamed asbestos and the calcium carbonate for different stability and flame retardant properties of the mixture:
| serial number | Asbestos content/% of foamed asbestos | Calcium carbonate/% | Stability of the mix | Flame retardant properties of cable |
| Experiment 1 | 20 | 70.5 | In general | In general |
| Experiment 2 | 21 | 69.5 | Is more stable | Is higher than |
| Experiment 3 | 22.5 | 68 | Stabilization | Height of |
| Experiment 4 | 23.5 | 67 | Is more stable | Is higher than |
| Experiment 5 | 25 | 65.5 | In general | In general |
From the above table, under the condition that the component ratios of 8% of penetrating agent, 1% of magnesium hydroxide and 0.5% of aluminum hydroxide are the same, the more the optimal content of the foamed asbestos is close to 22.5%, the higher the stability of the mixture is, the more the optimal content of the calcium carbonate is close to 68%, and the higher the flame retardant property of the mixture is; wherein, the optimal content of the foamed asbestos is 22.5 percent, the optimal content of the calcium carbonate is 68 percent, the stability coefficient of the mixture is the highest, and the flame retardant property of the produced cable is better.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A preparation method of a filling rope for small-sized cables is characterized by comprising the following steps: the method comprises the following steps:
1) 20-25% of foamed asbestos, 65-75% of calcium carbonate, 8% of penetrating agent, 1% of magnesium hydroxide and 0.5% of aluminum hydroxide are put into a mixing stirrer, the rotating speed of the mixing stirrer is set to be 800 revolutions per minute, and stirring is carried out for 12 hours to obtain a stirring mixture;
2) placing the stirred mixture in a storage tank, and standing for 8 hours;
3) putting the mixed material obtained in the step 2) into a mixing stirrer, wherein the rotating speed of the mixing stirrer is set to 800 revolutions per minute, and stirring is carried out for 12 hours;
4) putting the stirring mixture obtained in the step 3) into a trough of a coating machine, and coating the stirring mixture on a canvas conveying belt of the coating machine to form a cloth-shaped belt with the thickness of 0.08 mm;
5) cutting the cloth-shaped belt obtained in the step 4) into a plurality of strip-shaped cloth-shaped belts;
6) respectively contracting the plurality of cloth-shaped belts obtained in the step 5) into rope-shaped belts and rolling; and drying;
7) dividing the rope-shaped belts in the step 6) into 2 belts as a group, and stirring the belts into filling ropes with the diameter of 2mm by using a rope stirring device.
2. The method for preparing the filling rope for the small-sized cable according to claim 1, wherein the method comprises the following steps: the penetrant is one or more of sulfated castor oil, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, sodium alkyl sulfate, secondary sodium alkyl sulfonate and secondary sodium alkyl sulfate.
3. The method for preparing the filling rope for the small-sized cable according to claim 1, wherein the method comprises the following steps: the optimal content of the foamed asbestos is 22.5 percent.
4. The method for preparing the filling rope for the small-sized cable according to claim 1, wherein the method comprises the following steps: the optimum content of calcium carbonate is 68%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429730.3A CN113355930A (en) | 2021-04-21 | 2021-04-21 | Preparation method of small-size filling rope for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429730.3A CN113355930A (en) | 2021-04-21 | 2021-04-21 | Preparation method of small-size filling rope for cable |
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| Publication Number | Publication Date |
|---|---|
| CN113355930A true CN113355930A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110429730.3A Pending CN113355930A (en) | 2021-04-21 | 2021-04-21 | Preparation method of small-size filling rope for cable |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627027A1 (en) * | 1992-02-21 | 1994-12-07 | Kvaerner Energy A.S. | Method and apparatus for manufacturing and laying out an umbilical |
| CN107674333A (en) * | 2017-10-21 | 2018-02-09 | 芜湖缆胜电缆新材料有限公司 | A kind of inflaming retarding high-temperature gasket for packing and preparation method thereof |
| CN109944106A (en) * | 2019-04-18 | 2019-06-28 | 宝应县科达电缆料有限公司 | A kind of preparation method of environment-friendlyflame-retardant flame-retardant cable gasket for packing |
| CN110483895A (en) * | 2019-09-09 | 2019-11-22 | 王良仁 | A kind of fire retardant plastic mastre batch and preparation method for cable filling rope |
| CN110924198A (en) * | 2019-12-05 | 2020-03-27 | 芜湖航天特种电缆厂股份有限公司 | Cable filler and preparation method thereof |
| CN112280305A (en) * | 2020-10-20 | 2021-01-29 | 湖北平安电工股份有限公司 | Preparation method of cable filling material, cable filling material and application thereof |
-
2021
- 2021-04-21 CN CN202110429730.3A patent/CN113355930A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627027A1 (en) * | 1992-02-21 | 1994-12-07 | Kvaerner Energy A.S. | Method and apparatus for manufacturing and laying out an umbilical |
| CN107674333A (en) * | 2017-10-21 | 2018-02-09 | 芜湖缆胜电缆新材料有限公司 | A kind of inflaming retarding high-temperature gasket for packing and preparation method thereof |
| CN109944106A (en) * | 2019-04-18 | 2019-06-28 | 宝应县科达电缆料有限公司 | A kind of preparation method of environment-friendlyflame-retardant flame-retardant cable gasket for packing |
| CN110483895A (en) * | 2019-09-09 | 2019-11-22 | 王良仁 | A kind of fire retardant plastic mastre batch and preparation method for cable filling rope |
| CN110924198A (en) * | 2019-12-05 | 2020-03-27 | 芜湖航天特种电缆厂股份有限公司 | Cable filler and preparation method thereof |
| CN112280305A (en) * | 2020-10-20 | 2021-01-29 | 湖北平安电工股份有限公司 | Preparation method of cable filling material, cable filling material and application thereof |
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Application publication date: 20210907 |
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