阅读说明：本技术 水泥复合管及其制备方法 (Cementitious composite pipe and preparation method thereof ) 是由 王强 于 2019-08-28 设计创作，主要内容包括：本发明公开了一种水泥复合管及其制备方法,其包括水泥外层和塑料管体,所述水泥外层的原料包括抗海水水泥、矿渣微粉、细砂、胶粘剂和水；所述塑料管体为纤维复合管,其原料包括聚偏氟乙烯、丙烯酸树脂、丁晴橡胶、甲基乙烯基苯基硅橡胶、二硫化二苯并噻唑、N,N-二环己基-2-苯并噻唑次磺酰胺、聚苯乙烯、玄武岩纤维、阻燃剂、硬化剂和抗氧剂。本发明的水泥复合管中水泥外层与塑料管体不易脱层,水泥外层可有效地防止塑料管体被腐蚀、减少磨损,同时提高塑料管体的强度,而塑料管体具备良好的耐腐蚀性、抗氧化性、耐高低温性,可用于运输石油、水,使用寿命达50-100年。(The invention discloses a kind of cementitious composite pipes and preparation method thereof comprising cement outer layer and plastic tube body, the raw material of the cement outer layer include seawater resistant cement, slag micropowder, fine sand, adhesive and water；The plastic tube body is fiber composite pipe, its raw material includes Kynoar, acrylic resin, nitrile rubber, methyl vinyl phenyl silicon rubber, dibenzothiazyl disulfide, N, N- dicyclohexyl -2-[4-morpholinodithio sulfenamide, polystyrene, basalt fibre, fire retardant, curing agent and antioxidant.Cement outer layer and plastic tube body are not easy delamination in cementitious composite pipe of the invention, cement outer layer can be effectively prevented plastic tube body and be corroded, reduce abrasion, the intensity of plastic tube body is improved simultaneously, and plastic tube body has good corrosion resistance, inoxidizability, resistant of high or low temperature, it can be used for transporting petroleum, water, service life reaches 50-100.)

1. a kind of cementitious composite pipe, it is characterised in that: including cement outer layer and plastic tube body, the raw material of the cement outer layer is by weight Amount part be calculated as: 140-160 parts of seawater resistant cement, 290-300 parts of slag micropowder, 600-680 parts of fine sand, 80-100 parts of adhesive, 150-165 parts of water.

2. cementitious composite pipe according to claim 1, it is characterised in that: the plastic tube body is fiber composite pipe, former Material is by weight are as follows: 100~120 parts of Kynoar, 30~50 parts of acrylic resin, 30~50 parts of nitrile rubber, methyl 35 ~ 45 parts of ethenylphenyl silicon rubber, 4 ~ 8 parts of dibenzothiazyl disulfide, N, N- dicyclohexyl -2-[4-morpholinodithio time sulphonyl 5 ~ 7 parts of amine, 30~50 parts of polystyrene, 20~30 parts of basalt fibre, 8~12 parts of fire retardant, 2~5 parts of curing agent and antioxygen 2~5 parts of agent.Its overall diameter is 30-40cm, thickness of pipe 5-8cm.

3. a kind of preparation method of such as described in any item cementitious composite pipes of claim 1-2, it is characterised in that: including following step It is rapid:

(1) extrusion molding after being kneaded the raw material of fiber composite pipe in proportion, obtains plastic tube body；

(2) after plastic tube body is cooled to room temperature, cement outer layer raw material is stirred uniformly obtains cement mortar according to the proportion, Then by its spray coating in the outer surface of plastic tube body, then temperature be 20 ± 2 DEG C, relative humidity be greater than 95% under the conditions of into Cementitious composite pipe is obtained after row maintenance.

Technical field

The invention belongs to composite pipe fields, and in particular to a kind of cementitious composite pipe and preparation method thereof.

Background technique

It is raw material that plastic tube, which is usually with synthetic resin, that is, polyester, stabilizer, lubricant, plasticizer is added etc., with The method of " modeling " forms in tuber through extrusion process.Due to it have light, corrosion-resistant, good appearance, without bad smell, Handling ease, it is easy for construction the features such as, be more and more widely used in construction projects.It is mainly used as building construction Tap water supply system piping, draining, exhaust and blowdown sanitary pipe, subsoil drain system, rain pipe and electric wire installation are matched The penetration pipe etc. applied.There are many plastic tube type, are divided into thermoplastic pipes and thermosetting plastics pipe two major classes.Belong to thermoplasticity Have polyvinyl chloride pipe, polyethylene pipe, PA tube, polyformaldehyde pipe etc.；Belonging to heat cured has phenola plastics pipe etc..

The major advantage of plastic tube is good corrosion resisting property, light weight, convenient formation, handling ease, the disadvantage is that intensity is lower, Poor heat resistance.However, especially in petrochemical industry, existing plastic tube is not able to satisfy mostly in certain particular surroundings Demand.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of cementitious composite pipe and preparation method thereof, lead to The outer layer that cement is coated on to plastic tube body is crossed, the cementitious composite pipe for meeting petrochemical industry requirement is obtained, service life reaches 50-100.

To achieve the above object, the present invention adopts the following technical scheme:

A kind of cementitious composite pipe, including cement outer layer and plastic tube body, the raw material of the cement outer layer is by weight are as follows: anti-sea 140-160 parts of water cement, 290-300 parts of slag micropowder, 600-680 parts of fine sand, 80-100 parts of adhesive, 150-165 parts of water.

Further, the plastic tube body is fiber composite pipe, and raw material is by weight are as follows: Kynoar 100~ 120 parts, 30~50 parts of acrylic resin, 30~50 parts of nitrile rubber, 35 ~ 45 parts of methyl vinyl phenyl silicon rubber, curing 4 ~ 8 parts of bisbenzothiazole, N, N- dicyclohexyl -5 ~ 7 parts of 2-[4-morpholinodithio sulfenamide, 30~50 parts of polystyrene, basalt 20~30 parts of fiber, 8~12 parts of fire retardant, 2~5 parts of curing agent and 2~5 parts of antioxidant.Its overall diameter is 30-40cm, the thickness of pipe 5-8cm。

The preparation method of above-mentioned cementitious composite pipe, comprising the following steps:

(1) extrusion molding after being kneaded the raw material of fiber composite pipe in proportion, obtains plastic tube body；

(2) after plastic tube body is cooled to room temperature, cement outer layer raw material is stirred uniformly obtains cement mortar according to the proportion, Then by its spray coating in the outer surface of plastic tube body, then temperature be 20 ± 2 DEG C, relative humidity be greater than 95% under the conditions of into Cementitious composite pipe is obtained after row maintenance.

The beneficial effects of the present invention are: cement outer layer and plastic tube body are not easy delamination in cementitious composite pipe of the invention, Cement outer layer can be effectively prevented plastic tube body and be corroded, reduce abrasion, while improve the intensity of plastic tube body, and plastic tube body Have good corrosion resistance, inoxidizability, resistant of high or low temperature, can be used for transporting petroleum, water.

Detailed description of the invention

Fig. 1 is cementitious composite pipe structural schematic diagram of the invention；

In figure: 1- cement outer layer, 2- plastic tube body.

Specific embodiment

Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.