CN216590599U

CN216590599U - Polymer modified polyvinyl chloride lining anti-corrosion film

Info

Publication number: CN216590599U
Application number: CN202122230496.XU
Authority: CN
Inventors: 周家红; 程建华
Original assignee: Jiangxi Omite Precision Manufacturing Co ltd
Current assignee: Jiangxi Omite Precision Manufacturing Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-24
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of pipeline corrosion prevention, and particularly discloses a high-molecular modified polyvinyl chloride lining anti-corrosion film which comprises a connecting sleeve and film pipes symmetrically arranged at two ends of the connecting sleeve, wherein the free ends of the film pipes are detachably connected with a concrete pipeline, the diameter of the outer wall of each film pipe is excessively matched with the diameter of the inner wall of the concrete pipeline, one end, far away from the connecting sleeve, of each film pipe is provided with an annular inclined mounting surface, an annular fixing groove is formed in the inclined mounting surface, and the film pipes can be clamped into the annular fixing grooves and extrude the concrete pipeline through the film pipes.

Description

Polymer modified polyvinyl chloride lining anti-corrosion film

Technical Field

The application relates to the technical field of pipeline corrosion prevention, and particularly discloses a high-molecular modified polyvinyl chloride lining corrosion-resistant film.

Background

With the rapid development of the industry, the acidic and toxic properties contained in sewage (especially industrial wastewater) are increasing, and certain erosion is generated on concrete on the inner wall of the drainage pipe. For this reason, various pipes with corrosion resistance have come into play. Although the variety of sewage pipelines is various, the most used is the economical and practical reinforced concrete drain pipe. In general, the inner surface of concrete sewer pipes is protected by painting special acid-resistant paint, painting cement mortar or paving ceramic tiles with acid-resistant cement. Although the above protective surface layers are resistant to the erosion of sewage and methane (hydrogen sulfide, etc.), the concrete pipe is affected by external pressure and is difficult to avoid slight deformation and cracking, the deformation and cracking can crack or peel off the protective layer on the inner wall of the pipe, the waste gas of hydrogen sulfide, etc. can erode the concrete along the cracking or peeling part, the original function is destroyed, the service life is shortened, and the common sewer engineering is installed in a big city with dense population, for the scrapped pipeline, the cost for rebuilding is several times of the original new construction cost, and the rebuilding and rebuilding are difficult to solve technically and spatially. Therefore, the protection method of the anti-corrosion layer must be selected to be effective and permanent to achieve durable performance.

The patent publication No. CN206815487U of Chinese utility model discloses a polymer modified polyvinyl chloride lining anti-corrosion film with T-shaped keys, which comprises a liquid contact piece and a plurality of mounting keys; the liquid contact sheet comprises a front surface and a back surface with smooth surfaces; a plurality of mounting keys are arranged on the back of the liquid contact sheet in parallel; the mounting key is a T-shaped key and comprises a connecting strip vertically extending from the back surface, a buried strip with a rectangular cross section is vertically arranged at the tail end of the connecting strip in an extending mode, and the connecting strip and the buried strip are T-shaped.

The utility model discloses an anticorrosive film can play the effect of protection to the concrete pipe, but adopts the mode of installing key to connect, has the clearance between each installing key, and sewage permeates the clearance between each installing key easily to cause the corruption to the pipeline inner wall, consequently, the inventor is in view of this, provides a polymer modified polyvinyl chloride inside lining anticorrosive film, so that solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a gap exists between installation keys of a traditional anti-corrosion film and sewage easily permeates into the gap to corrode the inner wall of a pipeline.

In order to achieve the purpose, the basic scheme of the utility model provides a high-molecular modified polyvinyl chloride lining anti-corrosion film which comprises a connecting sleeve and film pipes symmetrically arranged at two ends of the connecting sleeve, wherein the free ends of the film pipes are detachably connected with a concrete pipeline, the diameter of the outer wall of each film pipe is excessively matched with the diameter of the inner wall of the concrete pipeline, one end, far away from the connecting sleeve, of each film pipe is provided with an annular inclined mounting surface, an annular fixing groove is formed in the inclined mounting surface, and the high-molecular modified polyvinyl chloride lining anti-corrosion film also comprises a fixing ring which can be clamped into the annular fixing groove and enables the film pipes to extrude the concrete pipeline.

The principle and effect of this basic scheme lie in:

1. the utility model aims to protect the inner wall of the concrete pipeline by arranging the film tube, and improves the anti-corrosion capability of the inner wall of the concrete pipeline.

2. The connecting sleeve is used for connecting the two film pipes, so that the two film pipes are installed, the connection tightness between the two film pipes is kept, and sewage is prevented from permeating between the two film pipes to corrode a concrete pipeline.

3. The fixing ring is fixed in the annular fixing groove, so that the fixing ring extrudes the inner wall of the film tube, the film tube is extruded and deformed and extrudes the inner wall of the concrete pipeline, and the purpose of fixing the film tube and the inner wall of the concrete pipeline is achieved.

4. The inclined mounting surface of the utility model facilitates the mounting of the fixing ring in the annular fixing groove and simultaneously prevents the fixing ring from separating from the annular fixing groove.

5. Compared with the prior art, the utility model can protect the inner wall of the concrete pipeline by arranging the connecting sleeve, the film tube, the fixing ring, the annular fixing groove and the like, ensures the connection tightness between the film tube and the inner wall of the concrete pipeline, prevents sewage from permeating between the inner wall of the concrete and the film tube, is easier to install the film tube and simple and convenient to operate, and solves the problem that the sewage is easy to permeate into the gap to corrode the inner wall of the pipeline because the gap exists between the installation keys of the traditional anti-corrosion film.

Furthermore, a flow guide surface matched with the inclined installation surface is arranged in the film tube. The water conservancy diversion face can play the effect of water conservancy diversion to sewage, prevents that sewage from too torrefying anxiously in slope installation face department.

Further, film tube inner wall symmetry is equipped with the guide way, gu fixed ring outer wall symmetry is equipped with the guide block with guide way sliding connection. The guide groove and the guide block can play a role in guiding in the installation process of the fixing ring, and the fixing ring is prevented from inclining.

Furthermore, the outer wall of the fixing ring is symmetrically provided with grooves, one end of the guide block is connected in the grooves in a sliding mode and provided with a spring between the end face of the groove and the bottom face of the groove, and a clamping groove capable of allowing the free end of the guide block to be clamped in is formed in the annular fixing groove. The draw-in groove and guide block cooperation can make solid fixed ring further by fixed, prevent solid fixed ring and break away from the annular fixed slot.

Furthermore, the connecting pipe is arranged at one end, close to the connecting sleeve, of the film tube, the diameter of the outer wall of the connecting pipe is smaller than that of the outer wall of the film tube, the diameter of the inner wall of the connecting pipe is equal to that of the inner wall of the film tube, and sleeves hermetically connected with the connecting pipe are arranged at two ends of the connecting sleeve. The connecting pipe is mutually matched with the sleeve, so that the sealing performance between the connecting sleeve and the film pipe is improved.

Furthermore, the inner wall of the connecting sleeve is symmetrically provided with a plurality of hard connecting strips, the free ends of the connecting strips are provided with a plurality of hard hooks, and the inner wall of the connecting sleeve is provided with a plurality of hook grooves into which the hooks can be clamped. The clamping hook and the clamping groove are mutually matched to prevent the connecting sleeve from being separated from the film tube.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a polymer modified PVC lining anticorrosion film provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of a film tube structure of a polymer modified PVC lining anticorrosion film according to an embodiment of the present application;

fig. 3 shows a schematic structural diagram of a connection sleeve of a polymer modified polyvinyl chloride lining anticorrosion film provided in the embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: concrete pipeline 1, film pipe 2, solid fixed ring 3, guide block 301, sleeve pipe 4, guide way 5, hook groove 6, slope installation face 7, annular fixed slot 8, connecting pipe 9, adapter sleeve 10, connecting strip 11.

An embodiment of a polymer modified polyvinyl chloride lining anticorrosion film is shown in figure 1: the rubber tube 2 made of polymer modified polyvinyl chloride is symmetrically arranged at two ends of the connecting sleeve 10, rubber sheets made of polymer modified polyvinyl chloride lining materials have the characteristics of acid resistance, alkali resistance and chemical resistance, are not easy to be corroded by sewage, are the best materials of linings, are particularly excellent waterproof materials, the free end of the rubber tube 2 is detachably connected with the concrete pipeline 1, and the diameter of the outer wall of the rubber tube 2 is excessively matched with the diameter of the inner wall of the concrete pipeline 1.

An example is shown in fig. 2: one end that adapter sleeve 10 was kept away from to film pipe 2 is equipped with annular slope installation face 7, it has annular fixed slot 8 to open on slope installation face 7, be equipped with in the film pipe 2 with slope installation face 7 complex water conservancy diversion face, still including can block into in the annular fixed slot 8 and make 2 extrusion concrete pipe 1's of film pipe solid fixed

ring

3, 2 inner wall symmetries of film pipe are equipped with

guide way

5, 3 outer wall symmetries of solid fixed ring are equipped with guide block 301 with 5 sliding connection of guide way, 3 outer wall symmetries of solid fixed ring are equipped with the recess, guide block 301's one end sliding connection in the recess and with the recess bottom surface between be equipped with the spring, it has the draw-in groove that can hold guide block 301 free end card to go into to open in the annular fixed slot 8.

The embodiment is shown in fig. 3, a connecting pipe 9 is arranged at one end of a film pipe 2 close to a connecting sleeve 10, the diameter of the outer wall of the connecting pipe 9 is smaller than that of the outer wall of the film pipe 2, the diameter of the inner wall of the connecting pipe 9 is equal to that of the inner wall of the film pipe 2, sleeves 4 hermetically connected with the connecting pipe 9 are arranged at two ends of the connecting sleeve 10, six rigid connecting strips 11 are symmetrically arranged on the inner wall of the connecting sleeve 10, six rigid hooks are arranged at free ends of the connecting strips 11, six hook grooves 6 capable of accommodating the hooks to be clamped into are arranged on the inner wall of the connecting pipe 9, and the positions of the hook grooves 6 and the guide grooves 5 are staggered.

In the implementation process of the utility model, two film tubes 2 are firstly installed in a concrete pipeline 1, and the concrete steps are as follows: fill in corresponding concrete pipe 1 with film pipe 2, then the one end that is equipped with connecting pipe 9 from film pipe 2 fills in solid fixed ring 3, and make two guide blocks 301 on solid fixed ring 3 slide in two guide ways 5 respectively, gu fixed ring 3 extrudes slope installation face 7 at gliding in-process gradually, until gu fixed ring 3 slides in the annular fixed slot 8 that corresponds, two guide blocks 301 one end of keeping away from solid fixed ring 3 this moment are gone into respectively in two draw-in grooves of annular fixed slot 8, be about to film pipe 2 installation completion, gu fixed ring 3 extrudees film pipe 2 inner wall this moment, film pipe 2 receives the extrusion deformation and extrudees concrete pipe 1 inner wall, thereby reach the purpose of fixing film pipe 2 and concrete pipe 1 inner wall.

After the film tube 2 is installed, the connecting sleeve 10 is connected between the two film tubes 2, and the method comprises the following specific steps: the connecting pipe 9 and the connecting sleeve 10 are mutually matched until the connecting pipe 9 and the connecting sleeve 10 are tightly attached, at the moment, the inner wall of the connecting pipe 9 is extruded, and the six hooks are respectively clamped into the six hook grooves 6, so that the aims of mutually meshing the hook grooves 6 and the hooks and mutually fixing the film tube 2 and the connecting sleeve 10 are fulfilled.

Compared with the prior art, the utility model can protect the inner wall of the concrete pipeline 1 by arranging the connecting sleeve 10, the film tube 2, the fixing ring 3, the annular fixing groove 8 and the like, ensures the connection tightness between the film tube 2 and the inner wall of the concrete pipeline 1, prevents sewage from permeating between the inner wall of the concrete and the film tube 2, is easy to install the film tube 2 and simple and convenient to operate, and solves the problem that the sewage easily permeates into a gap to corrode the inner wall of the pipeline because the gap exists between the installation keys of the traditional anti-corrosion film.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims

1. The utility model provides a polymer modified polyvinyl chloride inside lining anticorrosion film which characterized in that: locate the film pipe at adapter sleeve both ends including adapter sleeve and symmetry, the free end of film pipe all can dismantle with concrete pipe and be connected, the outer wall diameter of film pipe excessively cooperates with concrete pipe inner wall diameter, and the one end that the adapter sleeve was kept away from to the film pipe is equipped with cyclic annular slope installation face, and it has the annular fixed slot to open on the slope installation face, still can block the solid fixed ring that goes into in the annular fixed slot and make film pipe extrusion concrete pipe.

2. The polymer modified polyvinyl chloride lining anti-corrosion rubber sheet according to claim 1, wherein a flow guide surface matched with the inclined installation surface is arranged in the rubber sheet pipe.

3. The anticorrosive film with a polymer modified polyvinyl chloride lining according to claim 1, wherein the inner wall of the film tube is symmetrically provided with guide grooves, and the outer wall of the fixing ring is symmetrically provided with guide blocks slidably connected with the guide grooves.

4. The anticorrosive film with a polymer modified polyvinyl chloride lining as claimed in claim 3, wherein the outer wall of the fixing ring is symmetrically provided with grooves, one end of the guide block is slidably connected in the groove and provided with a spring between the guide block and the bottom surface of the groove, and the annular fixing groove is provided with a slot for the free end of the guide block to be clamped in.

5. The polymer modified polyvinyl chloride lining anti-corrosion film as claimed in claim 1, wherein the film tube has a connecting tube at one end near the connecting sleeve, the diameter of the outer wall of the connecting tube is smaller than that of the outer wall of the film tube, the diameter of the inner wall of the connecting tube is equal to that of the inner wall of the film tube, and the two ends of the connecting sleeve are provided with sleeves hermetically connected with the connecting tube.

6. The polymer modified polyvinyl chloride lining anti-corrosion film as claimed in claim 5, wherein the inner wall of the connecting sleeve is symmetrically provided with a plurality of hard connecting strips, the free ends of the connecting strips are provided with a plurality of hard hooks, and the inner wall of the connecting tube is provided with a plurality of hook grooves into which the hooks can be clamped.