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Preparation method of engine fuel pipe

A fuel pipe and engine technology, applied in the field of rubber manufacturing, can solve the problems of rubber hose, low permeability and low temperature resistance at the same time, and achieve the effect of excellent physical and mechanical properties, high heat resistance and low permeability

Inactive Publication Date: 2018-11-06
张洪红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent mainly enhances the oil resistance of the rubber hose, but it still cannot meet the requirements of the rubber hose for pressure resistance, high temperature resistance, low permeability and low temperature resistance at the same time

Method used

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  • Preparation method of engine fuel pipe
  • Preparation method of engine fuel pipe
  • Preparation method of engine fuel pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The method for preparing an engine fuel pipe in this embodiment includes a rubber hose body 1, and the rubber hose body 1 includes a tube core layer 2, a fiber reinforced layer 3, a middle rubber layer 4 and an outer rubber layer 5 that are sequentially coated from inside to outside, The fiber reinforcement layer 3 is a twisted rope 30 formed by twisting aromatic polyester fibers 10 and nylon fibers 20 together, the middle rubber layer 4 is a middle rubber adhesive layer, and the tube core layer 2 and the outer The glue layer 5 is formed by elastic rubber, and the preparation method of the fuel pipe is as follows:

[0041] (1) To prepare the tube core layer, carry out pressurized banburying with styrene-butadiene rubber, magnesium oxide, palm wax, anti-aging agent TMTD, anti-scorch agent, accelerator, and then high wear-resistant carbon black N330, fast pressing Mix carbon black N550 and stearic acid evenly, put it into a 75-liter pressurized internal mixer, and carry o...

Embodiment 2

[0059] The method for preparing an engine fuel pipe in this embodiment includes a rubber hose body 1, and the rubber hose body 1 includes a tube core layer 2, a fiber reinforced layer 3, a middle rubber layer 4 and an outer rubber layer 5 that are sequentially coated from inside to outside, The fiber reinforcement layer 3 is a twisted rope 30 formed by twisting aromatic polyester fibers 10 and nylon fibers 20 together, the middle rubber layer 4 is a middle rubber adhesive layer, and the tube core layer 2 and the outer The adhesive layer 5 is formed by elastic rubber, and the preparation method of the fuel pipe is as follows:

[0060] (1) To prepare the tube core layer, carry out pressurized banburying with styrene-butadiene rubber, magnesium oxide, palm wax, anti-aging agent TMTD, anti-scorch agent, accelerator, and then high wear-resistant carbon black N330, fast pressing Mix carbon black N550 and stearic acid, put it into a 75-liter pressurized internal mixer, and carry out ...

Embodiment 3

[0078] The method for preparing an engine fuel pipe in this embodiment includes a rubber hose body 1, and the rubber hose body 1 includes a tube core layer 2, a fiber reinforced layer 3, a middle rubber layer 4 and an outer rubber layer 5 that are sequentially coated from inside to outside, The fiber reinforcement layer 3 is a twisted rope 30 formed by twisting aromatic polyester fibers 10 and nylon fibers 20 together, the middle rubber layer 4 is a middle rubber adhesive layer, and the tube core layer 2 and the outer The adhesive layer 5 is formed by elastic rubber, and the preparation method of the fuel pipe is as follows:

[0079] (1) To prepare the tube core layer, carry out pressurized banburying with styrene-butadiene rubber, magnesium oxide, palm wax, anti-aging agent TMTD, anti-scorch agent, accelerator, and then high wear-resistant carbon black N330, fast pressing Mix carbon black N550 and stearic acid, put it into a 75-liter pressurized internal mixer, and carry out ...

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Abstract

The invention discloses an engine fuel pipe and a preparation method thereof. The engine fuel pipe comprises a rubber pipe body. The rubber pipe body comprises a pipe core layer, a fiber reinforced layer, a middle rubber layer and an outer rubber layer which are arranged from inside to outside in a wrapped mode. The fiber reinforced layer is a twisted rope formed by twisting aromatic polyester fibers and nylon fibers, the middle rubber layer is a middle rubber bonding layer, and the pipe core layer and the outer rubber layer are formed by elastic rubber. The preparation method of the engine fuel pipe comprises the steps including preparation of the pipe core layer; preparation of the fiber reinforced layer; preparation of the middle rubber layer; preparation of the outer rubber layer; vulcanization; and finished product inspection. The engine fuel pipe provided by the invention has good oil resistance, good high-temperature resistance, low permeability and low-temperature resistance, and meanwhile, the engine fuel pipe is high in compressive strength, resistant to ageing and durable.

Description

technical field [0001] The invention belongs to the technical field of rubber manufacturing, and in particular relates to a method for preparing an engine fuel pipe. Background technique [0002] The engine fuel pipe is one of the important components of the engine. The high and low temperature resistance, oil resistance, aging resistance, pressure resistance and other performance indicators of the engine fuel pipe are directly related to the normal operation of the engine. Because the oil temperature of the fuel injection system of the engine is relatively high, and the temperature of the oil is different when the engine functions are different, the greater the engine power, the higher the oil temperature. If the engine fuel pipe has problems such as poor oil resistance, high temperature aging resistance, and low pressure resistance, it is easy to crack, age, and break after the car's bumpy operation all year round. Cracked and damaged rubber tubes are easy to leak fuel. I...

Claims

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Application Information

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IPC IPC(8): F16L11/08C08L9/06C08L91/06C08L83/04C08K13/02C08K3/22C08K3/04C08K5/09C08K3/06
CPCF16L11/08C08K3/06C08K3/22C08K3/2279C08K13/02C08K2003/222C08L9/06C08L2203/18C08L91/06C08K3/04C08K5/09C08L83/04
Inventor 张洪红
Owner 张洪红
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