阅读说明：本技术 一种新型耐腐蚀输送管 (Novel corrosion-resistant conveying pipe ) 是由 张荣干 于 2018-08-20 设计创作，主要内容包括：本发明涉及一种新型耐腐蚀输送管。所述的输送管包括输送管主体、内耐腐蚀层、外耐腐蚀层,所述的内耐腐蚀层紧密复合在输送管主体的内表面,所述的内耐腐蚀层和外耐腐蚀层均为纳米陶瓷复合层,所述的内耐腐蚀层和外耐腐蚀层的热传导率都比输送管主体低,所述的内耐腐蚀层的热传导率比外耐腐蚀层的热传导率低,所述的内耐腐蚀层和外耐腐蚀层由沥青层和聚乙烯防腐涂层,所述的聚乙烯防腐涂层复合在沥青层正反两面,所述的输送管主体内壁光滑,所述的内耐腐蚀层通过复合胶粘连在输送管主体内壁上,所述的内耐腐蚀层表面设有螺旋引流道,加快水流通过速度。本发明结构简单、使用寿命长、耐腐蚀、输送速度快、生产成本低。(The invention relates to a novel corrosion-resistant conveying pipe. The conveying pipe comprises a conveying pipe main body, an inner corrosion-resistant layer and an outer corrosion-resistant layer, wherein the inner corrosion-resistant layer is tightly compounded on the inner surface of the conveying pipe main body, the inner corrosion-resistant layer and the outer corrosion-resistant layer are both nano ceramic composite layers, the thermal conductivity of the inner corrosion-resistant layer and the thermal conductivity of the outer corrosion-resistant layer are both lower than that of the conveying pipe main body, the thermal conductivity of the inner corrosion-resistant layer is lower than that of the outer corrosion-resistant layer, the inner corrosion-resistant layer and the outer corrosion-resistant layer are composed of an asphalt layer and a polyethylene corrosion-resistant coating, the polyethylene corrosion-resistant coatings are compounded on the front side and the back side of the asphalt layer, the inner wall of the conveying pipe main body is smooth, the inner corrosion-resistant layer is connected to the inner wall of the conveying pipe main body through composite glue, and the surface of the inner corrosion-resistant layer. The invention has the advantages of simple structure, long service life, corrosion resistance, high conveying speed and low production cost.)

1. A novel corrosion-resistant conveying pipe is characterized in that: the conveying pipe comprises a conveying pipe main body, an inner corrosion-resistant layer and an outer corrosion-resistant layer, wherein the conveying pipe main body is a hollow cylinder, the outer corrosion-resistant layer is tightly compounded on the outer surface of the conveying pipe main body, the inner corrosion-resistant layer is tightly compounded on the inner surface of the conveying pipe main body, the inner corrosion-resistant layer and the outer corrosion-resistant layer are both nano ceramic composite layers, the thermal conductivities of the inner corrosion-resistant layer and the outer corrosion-resistant layer are lower than that of the conveying pipe main body, the thermal conductivity of the inner corrosion-resistant layer is lower than that of the outer corrosion-resistant layer, the inner corrosion-resistant layer and the outer corrosion-resistant layer are composed of an asphalt layer and a polyethylene corrosion-resistant coating, the polyethylene corrosion-resistant coatings are compounded on the front and back surfaces of the asphalt layer, the inner wall of the conveying pipe main body is smooth, the inner corrosion-resistant layer is adhered to the inner wall of the conveying pipe main body through composite adhesive, and the surface of, the water flow passing speed is accelerated.

2. A novel corrosion resistant delivery pipe according to claim 1, wherein: the conveying pipe main body is a PVE pipe or a PPR pipe.

3. A novel corrosion resistant delivery pipe according to claim 1, wherein: the diameter of the delivery pipe main body is 20-40 mm.

4. A novel corrosion resistant delivery pipe according to claim 1, wherein: the inner corrosion-resistant layer and the outer corrosion-resistant layer have different thicknesses.

5. A novel corrosion resistant delivery pipe according to claim 1, wherein: the spiral drainage channel is composed of a plurality of discontinuous spiral curves.

6. A novel corrosion-resistant delivery pipe according to claim 5, wherein: the spiral bend of a plurality of non-continuation constitute by a plurality of positive spiral bend and anti-spiral bend, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be smooth interior corrosion resistant layer.

Technical Field

The invention relates to the technical field of pipelines, in particular to a novel corrosion-resistant conveying pipe.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The pipeline has wide application range, and is mainly used for water supply, transportation, heat supply, gas supply, long-distance transportation of petroleum and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices.

At present, in order to consider the service life of the pipeline, the quality requirements of a plurality of manufacturers on the pipeline are very strict, particularly on the purposes of water supply, transportation, heat supply, gas supply and the like, but the existing pipeline is easy to corrode after being used for a long time, the heat preservation effect is poor, the normal use of the pipeline is influenced, and the maintenance cost is increased.

Disclosure of Invention

The invention provides a novel corrosion-resistant conveying pipe which is simple in structure, long in service life, corrosion-resistant, high in conveying speed and low in production cost.

The technical scheme of the invention is as follows: the conveying pipe comprises a conveying pipe main body, an inner corrosion-resistant layer and an outer corrosion-resistant layer, wherein the conveying pipe main body is a hollow cylinder, the outer corrosion-resistant layer is tightly compounded on the outer surface of the conveying pipe main body, the inner corrosion-resistant layer is tightly compounded on the inner surface of the conveying pipe main body, the inner corrosion-resistant layer and the outer corrosion-resistant layer are both nano ceramic composite layers, the thermal conductivities of the inner corrosion-resistant layer and the outer corrosion-resistant layer are lower than that of the conveying pipe main body, the thermal conductivity of the inner corrosion-resistant layer is lower than that of the outer corrosion-resistant layer, the inner corrosion-resistant layer and the outer corrosion-resistant layer are composed of an asphalt layer and a polyethylene corrosion-resistant coating, the polyethylene corrosion-resistant coatings are compounded on the front and back surfaces of the asphalt layer, the inner wall of the conveying pipe main body is smooth, the inner corrosion-resistant layer is adhered to the inner wall of the conveying pipe main body through composite adhesive, and the surface of, the water flow passing speed is accelerated.

The conveying pipe main body is a PVE pipe or a PPR pipe.

The diameter of the delivery pipe main body is 20-40 mm.

The inner corrosion-resistant layer and the outer corrosion-resistant layer have different thicknesses.

The spiral drainage channel is composed of a plurality of discontinuous spiral curves.

The spiral bend of a plurality of non-continuation constitute by a plurality of positive spiral bend and anti-spiral bend, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be smooth interior corrosion resistant layer.

The invention has the advantages of simple structure, long service life, corrosion resistance, high conveying speed and low production cost.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure, 1 is a conveying pipe main body, 2 is an outer corrosion-resistant layer, and 3 is an inner corrosion-resistant layer.

Detailed Description

A novel corrosion-resistant conveying pipe comprises a conveying pipe main body 1, an inner corrosion-resistant layer 3 and an outer corrosion-resistant layer 2, wherein the conveying pipe main body 1 is a hollow cylinder, the outer corrosion-resistant layer 2 is tightly compounded on the outer surface of the conveying pipe main body 1, the inner corrosion-resistant layer 3 is tightly compounded on the inner surface of the conveying pipe main body 1, the inner corrosion-resistant layer 3 and the outer corrosion-resistant layer 2 are both nano ceramic composite layers, the thermal conductivities of the inner corrosion-resistant layer 3 and the outer corrosion-resistant layer 2 are lower than that of the conveying pipe main body 1, the thermal conductivity of the inner corrosion-resistant layer 3 is lower than that of the outer corrosion-resistant layer 2, the inner corrosion-resistant layer 3 and the outer corrosion-resistant layer 2 are composed of an asphalt layer and polyethylene corrosion-resistant coatings, the polyethylene corrosion-resistant coatings are compounded on the front and back surfaces of the asphalt layer, the inner wall of the conveying pipe main body 1 is smooth, the inner corrosion-resistant layer 2 is adhered to the inner wall of the conveying pipe main body, the surface of the inner corrosion-resistant layer 2 is provided with a spiral drainage channel to accelerate the passing speed of water flow.

The conveying pipe body 1 is a PVE or PPR pipe.

The diameter of the delivery pipe main body 1 is 20-40 mm.

The inner corrosion-resistant layer 3 and the outer corrosion-resistant layer 2 have different thicknesses.

The spiral drainage channel is composed of a plurality of discontinuous spiral curves.

A plurality of discontinuous spiral bends constitute by a plurality of positive spiral bends and anti-spiral bends, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be smooth interior corrosion resistant layer 3.