阅读说明：本技术 玻璃钢型套管的法兰装配工艺 (Flange assembling process for glass fiber reinforced plastic type sleeve ) 是由 安泽庆 张艺潇 于 2020-04-20 设计创作，主要内容包括：本发明公开了玻璃钢型套管的法兰装配工艺,步骤1：首先检查玻璃钢预制管道、管件的几何尺寸是否符合设计和相关规范要求。步骤2：根据现场安装需求调整管线的长度,可以在非法兰部位截开进行调整,调整合格后,在管端涂上胶合剂对口粘接,并在粘合接缝处加浸透胶合剂的玻璃布缠绕数层即可。有益效果在于：通过在玻璃钢型套管端涂上胶合剂对口粘接,并在粘合接缝处加浸透胶合剂的玻璃布缠绕数层,可以有效提高玻璃钢型套管的法兰的连接效果,提高装置的气密性,本发明是在通风良好的地方配制胶合剂缠绕玻璃钢接口,操作者配戴好防腐手套和口罩,提高使用安全。(The invention discloses a flange assembling process of a glass fiber reinforced plastic type sleeve, which comprises the following steps of 1: firstly, the geometric dimension of the glass fiber reinforced plastic prefabricated pipeline and the pipe fitting is checked whether the geometric dimension meets the requirements of design and relevant specifications. Step 2: the length of the pipeline is adjusted according to the field installation requirement, the pipeline can be cut at an illegal flange part for adjustment, after the adjustment is qualified, the end of the pipeline is coated with adhesive for butt-joint bonding, and the adhesive-soaked glass cloth is added at the bonding joint for winding a plurality of layers. Has the advantages that: the invention relates to a method for manufacturing a glass fiber reinforced plastic sleeve, which comprises the steps of coating an adhesive on the end of the glass fiber reinforced plastic sleeve for butt bonding, and adding glass cloth soaked with the adhesive at the bonding seam for winding a plurality of layers, so that the connection effect of flanges of the glass fiber reinforced plastic sleeve can be effectively improved, and the air tightness of the device is improved.)

1. The flange assembling process of the glass fiber reinforced plastic type sleeve is characterized in that: it comprises the following steps:

step 1: firstly, checking whether the geometric dimensions of the glass fiber reinforced plastic prefabricated pipeline and the pipe fitting meet design and related standard requirements, mainly checking whether a connecting flange surface is vertical to a central line of the pipe, whether a connecting surface is flat, whether bolt holes are standard and the like, and mounting the pipe fitting after the pipe fitting is qualified;

step 2: adjusting the length of the pipeline according to the field installation requirement, cutting off the non-flange part for adjustment, coating an adhesive on the pipe end for butt bonding after the adjustment is qualified, and adding a plurality of layers of glass cloth soaked with the adhesive at the bonding seam for winding;

and step 3: each layer of glass cloth is tightly wound, so that the phenomena of residual bubbles, delamination and the like cannot be caused, and the strength is required to reach the strength of the original pipeline;

and 4, step 4: the glass fiber reinforced plastic flanges are molded and installed at the two ends of the pipe, and the flanges and the pipe are bonded together by using an adhesive;

and 5: the sealing of the flange is guaranteed in the construction process, the sealing gasket is placed correctly, the bolts are fastened symmetrically, and the fastening torque is moderate.

2. The flange assembling process of the glass fiber reinforced plastic type bushing according to claim 1, wherein: in the step 2, the cutting of the glass steel pipeline can adopt mechanical cutting, but the phenomena of layering and shedding are not allowed, the surface of the pipe is smooth and cannot exceed the wall thickness tolerance after processing and correction, and the inner wall is allowed to have slight wrinkles.

3. The flange assembling process of the glass fiber reinforced plastic type bushing according to claim 1, wherein: in the step 3, the thickness of the glass cloth is preferably 0.1-0.3 mm, and the glass cloth is not excessively thick.

4. The flange assembling process of the glass fiber reinforced plastic type bushing according to claim 1, wherein: the adhesive for bonding is prepared at any time, and because the curing agent of the adhesive is toxic, the preparation of the adhesive and the winding of the glass fiber reinforced plastic interface are carried out in a well ventilated place, and an operator needs to wear antiseptic gloves and a mask.

Technical Field

The invention relates to the field of a glass fiber reinforced plastic type sleeve assembling process, and relates to a flange assembling process of a glass fiber reinforced plastic type sleeve.

Background

The glass fiber reinforced plastic pipeline is prepared by adding a certain amount of auxiliary raw materials into an adhesive, then impregnating alkali-free glass cloth, winding the mixture on a forming mandrel to form a pipe, and performing curing, demoulding and heat treatment.

In order to ensure the installation requirement of the glass fiber reinforced plastic type sleeve, the glass fiber reinforced plastic type sleeve is generally connected in sections in engineering, and each section is provided with a flange, so that the glass fiber reinforced plastic type sleeve is convenient to connect with a glass fiber reinforced plastic type pipeline.

1. The existing glass fiber reinforced plastic type sleeve is inconvenient to install and poor in connection effect when being installed, and the air tightness of the glass fiber reinforced plastic type sleeve is affected.

2. The cementing agent used in the assembly of the glass fiber reinforced plastic type sleeve flange is toxic, and the physical health of workers can be influenced during the configuration.

Disclosure of Invention

The invention aims to solve the problems and provide a flange assembling process of a glass fiber reinforced plastic type sleeve.

The invention realizes the purpose through the following technical scheme:

the flange assembling process for the glass fiber reinforced plastic type sleeve comprises the following steps:

step 1: firstly, checking whether the geometric dimensions of the glass fiber reinforced plastic prefabricated pipeline and the pipe fitting meet design and related standard requirements, mainly checking whether a connecting flange surface is vertical to a central line of the pipe, whether a connecting surface is flat, whether bolt holes are standard and the like, and mounting the pipe fitting after the pipe fitting is qualified to ensure the flange mounting quality of the glass fiber reinforced plastic type casing pipe;

step 2: the length of the pipeline is adjusted according to the field installation requirement, the pipeline can be cut at an illegal flange part for adjustment, after the adjustment is qualified, the end of the pipeline is coated with an adhesive for butt bonding, and the adhesive-soaked glass cloth is added at the bonding joint for winding a plurality of layers, so that the pipeline is flexible and convenient, and meets the use requirement;

and step 3: each layer of glass cloth is tightly wound, so that the phenomena of residual bubbles, delamination and the like cannot be caused, and the strength is required to reach the strength of the original pipeline;

and 4, step 4: the glass fiber reinforced plastic flanges are molded and installed at the two ends of the pipe, and the flanges and the pipe are bonded together by using an adhesive;

and 5: the sealing of the flange is guaranteed in the construction process, the sealing gasket is placed correctly, the bolts are fastened symmetrically, and the fastening torque is moderate.

Furthermore, the cutting of the glass steel pipeline in the step 2 can adopt mechanical cutting, but the phenomenon of layering and falling off is not allowed, the surface of the pipe is smooth and cannot exceed the wall thickness tolerance after processing and correction, slight wrinkles are allowed on the inner wall, and the processing quality is improved.

Furthermore, the thickness of the glass cloth in the step 3 is preferably 0.1-0.3 mm, and the glass cloth is not too thick, so that the glass cloth is convenient for soaking and bonding the glass cloth firmly by using a cementing agent.

Furthermore, the adhesive for bonding should be prepared at any time, and because the curing agent of the adhesive is toxic, the preparation of the adhesive and the winding of the glass fiber reinforced plastic interface should be carried out in a well ventilated place, and an operator should wear an anti-corrosion glove and a mask well, so that the use safety is improved.

The invention has the beneficial effects that:

1. according to the invention, the end of the glass fiber reinforced plastic sleeve is coated with the adhesive for butt bonding, and the glass cloth soaked with the adhesive is added at the bonding joint for winding a plurality of layers, so that the connection effect of the flange of the glass fiber reinforced plastic sleeve can be effectively improved, and the air tightness of the device is improved;

2. the invention prepares the adhesive winding glass fiber reinforced plastic interface at the place with good ventilation, and the operator wears the antiseptic gloves and the mask, thereby improving the use safety.

Detailed Description

The flange assembling process for the glass fiber reinforced plastic type sleeve comprises the following steps:

step 1: firstly, checking whether the geometric dimensions of the glass fiber reinforced plastic prefabricated pipeline and the pipe fitting meet design and related standard requirements, mainly checking whether a connecting flange surface is vertical to a central line of the pipe, whether a connecting surface is flat, whether bolt holes are standard and the like, and mounting the pipe fitting after the pipe fitting is qualified to ensure the flange mounting quality of the glass fiber reinforced plastic type casing pipe;

step 2: the length of the pipeline is adjusted according to the field installation requirement, the pipeline can be cut at an illegal flange part for adjustment, after the adjustment is qualified, the end of the pipeline is coated with an adhesive for butt bonding, and the adhesive-soaked glass cloth is added at the bonding joint for winding a plurality of layers, so that the pipeline is flexible and convenient, and meets the use requirement;

and step 3: each layer of glass cloth is tightly wound, so that the phenomena of residual bubbles, delamination and the like cannot be caused, and the strength is required to reach the strength of the original pipeline;

and 4, step 4: the glass fiber reinforced plastic flanges are molded and installed at the two ends of the pipe, and the flanges and the pipe are bonded together by using an adhesive;

and 5: the sealing of the flange is guaranteed in the construction process, the sealing gasket is placed correctly, the bolts are fastened symmetrically, and the fastening torque is moderate.

Preferably, the cutting of the glass steel pipeline in the step 2 can adopt mechanical cutting, but the phenomenon of delamination and shedding is not allowed, the surface of the pipe is smooth and is not more than the tolerance of wall thickness after being processed and corrected, slight wrinkles are allowed on the inner wall, and the processing quality is improved.

Preferably, the thickness of the glass cloth in the step 3 is preferably 0.1-0.3 mm, and is not too thick, so that the glass cloth is convenient for the penetration and the bonding of the cementing agent.

Preferably, the adhesive for bonding is prepared at any time, and because the curing agent of the adhesive is toxic, the preparation of the adhesive and the winding of the interface of the glass fiber reinforced plastics are carried out at a well ventilated place, and an operator needs to wear antiseptic gloves and masks, thereby improving the use safety.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.