CN109027506B

CN109027506B - Pipeline construction method without hot-melting direct-insertion connection

Info

Publication number: CN109027506B
Application number: CN201811050673.2A
Authority: CN
Inventors: 袁海根
Original assignee: Zhangjiagang Alixing Material Co Ltd
Current assignee: Zhangjiagang Alixing Material Co Ltd
Priority date: 2018-09-10
Filing date: 2018-09-10
Publication date: 2020-02-07
Anticipated expiration: 2038-09-10
Also published as: CN109027506A

Abstract

The invention mainly relates to a pipeline construction method without hot-melt direct-insertion connection, which comprises the working procedures of CD pipe pre-embedding and laying, CD pipe fixing and port processing, concrete pouring, PB pipe pretreatment, PB pipe access CD pipe processing, PB pipe built-in end processing, water pressure testing and the like. The invention can greatly reduce the insolation time of the pipeline, ensure that the pipeline can not leak water due to insolation, has less connecting parts, does not need to melt the connecting pipeline, has good sealing effect, shortens the engineering period, does not damage the surface material, can solve the problem of water leakage caused by serious damage of the pipeline after long-term insolation, has more fittings for pipeline connection, has more potential water leakage threats, poor sealing effect of the hot-melt connecting pipeline, complex operation, low working efficiency and the like.

Description

Pipeline construction method without hot-melting direct-insertion connection

Technical Field

The invention relates to the technical field of pipeline construction, in particular to a pipeline construction method without hot-melt direct-insertion connection.

Background

The water leakage of the pipeline is a deep foundation defect of a residential building, the root cause is the damage caused by poor materials and construction of the connecting part and long-term exposure, the traditional pipeline construction mode is divided into five procedures of pipeline laying, water pipe two-end treatment, pipeline connection treatment, concrete pouring, water pressure testing and the like in the construction process, the pipeline is laid above a concrete heat insulation layer, the pipeline is exposed to the sun for a long time and damaged seriously, and the potential threat of water leakage exists, and the PPR hot melting connecting mode is adopted for connecting the water pipe connecting position in the pipeline treatment procedure, so that the sealing effect is poor, the operation is complex and the working efficiency is low.

Disclosure of Invention

In order to solve the problems, the invention provides a pipeline construction method without hot-melt direct-insertion connection, which can greatly reduce the insolation time of a pipeline, ensure that the pipeline cannot leak water due to insolation, has less connecting parts, does not need hot-melt connection of the pipeline, has good sealing effect, shortens the engineering period, does not damage surface materials, can solve the problem of water leakage caused by serious damage due to long-term insolation of the pipeline, has more accessories required for pipeline connection, has more potential water leakage threats, has poor sealing effect of the hot-melt connection pipeline, is complex to operate, has low working efficiency and the like.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a pipeline construction method without hot melt direct insertion type connection comprises the following steps;

step 1: pre-burying and laying of CD pipes:

the method comprises the steps that the CD pipes are fixed at the positions below the upper reinforcing steel bars of the steel bar frame which is tied before ground pouring, the CD pipes and the reinforcing steel bars are installed side by side, the spacing distance between the CD pipes and the reinforcing steel bars is 25-30 MM, and the spacing between the CD pipes which are installed adjacently is 100-150 MM.

Step 2: CD tube fixation and porting:

the CD pipe is fixed on the steel bar through the pipe clamp, the straight laying part of the CD pipe is used as a fixed point at the position of 500mm for every 400 mm and the curve laying part of the CD pipe is used as a fixed point at the position of 320mm for every 250 mm, the head and tail ports of the CD pipe are plugged by the plug blocks, and the heat insulation material is used for winding and wrapping the port of the CD pipe to the outer part of the exposed CD pipe at the contact position of the steel bar.

The utility model discloses a concrete cleaning device, including the stopper lid, fill and be provided with the handle on the outer wall of stopper lid, fill the inner wall mid-mounting of stopper lid and have sealed piece, fill and install annular electronic slider on the inner wall of stopper lid, install the annular pipe on the inner wall of annular electronic slider, be provided with the brush cleaner of heliciform structure on the inner wall of annular pipe, sealed piece is round platform column structure, and the diameter of sealed piece reduces in proper order backward in the past, and the manual work will fill the stopper lid through the handle and fill in CD pipe port department, and the diameter of sealed piece is different, can fill up tightly to the CD pipe of different specifications, can ensure that the concrete in the construction operation can not lead to the fact the influence to the CD pipe, and annular electronic slider control brush cleaner rotates, can fill the concrete thick liquids on the CD pipe outer wall between lid and the sealed piece and clear up, and application scope is wide, and.

And step 3: pouring concrete:

and uniformly pouring the stirred concrete on a reinforcing steel bar frame by adopting a distributing machine, wherein the distributing machine is a cylindrical distributing machine, and a ground vibrating ruler with the model number of JH-200 is selected to carry out compaction operation on the concrete.

And 4, step 4: PB tube pretreatment

The method comprises the following steps of uniformly coating the outer wall of the opening at the head end and the tail end of a PB pipe by using non-toxic lubricating oil, wherein the coating length is 30-36 MM, and the selected non-toxic lubricating oil is composed of the following raw materials in parts by weight: 50-55 parts of organic silicone oil, 10-12 parts of soybean oil, 15-18 parts of anticorrosive, 8-10 parts of oxidant and 20-25 parts of friction moderator.

And 5: PB tube access CD tube processing

And the PB pipe is inserted into the CD pipe, and the central lines of the PB pipe and the CD pipe at the interface are always kept on the same straight line.

Step 6: PB tube out-side processing

The PB pipe is provided with a pipe-in-pipe protective sleeve, the pipe-in-pipe protective sleeve comprises a socket pipe arranged on the PB pipe, a guide sliding sleeve is arranged on the inner wall at the port of the socket pipe, one end of the socket pipe close to the CD pipe is provided with an annular plate, the annular plate is evenly provided with a driving groove along the circumference, the driving groove is internally provided with a driving frame, the outer wall of the socket pipe is provided with a driving threaded plate in a sliding fit mode, the driving threaded plate is connected with the driving frame in a threaded engagement mode, the driving frame is abutted against the guide sliding sleeve, the guide sliding sleeve is made of flexible rubber materials, the driving frame and the guide sliding sleeve are provided with driving auxiliary balls at contact positions, the socket pipe is of a horn-shaped structure, the diameter of the socket pipe from the PB pipe to the CD pipe is sequentially increased, the connection operation of the pipe-in-pipe protective sleeve is facilitated, and, the guide sliding sleeve plays a guiding role in the movement process, the threaded plate is driven to rotate through manual control, the drive frame is controlled to extrude and fix the guide sliding sleeve, the PB tube external end processing is facilitated, and the time is saved.

And 7: water pressure test

The method comprises the steps of connecting a water pressure tester and a PB pipe, checking various data of the water pressure tester, selecting a Hanpai Rui brand full-automatic pressure tester by the water pressure tester, testing at the temperature of 5-30 ℃, under the pressure of 1-5 Mpa for 24 hours, decompressing to a normal state, repeating the testing steps, and checking whether water leaks from a connecting part.

The invention has the beneficial effects that:

the invention can greatly reduce the insolation time of the pipeline, ensure that the pipeline can not leak water due to insolation, has less connecting parts, does not need to melt the connecting pipeline, has good sealing effect, shortens the engineering period, does not damage the surface material, can solve the problem of water leakage caused by serious damage of the pipeline after long-term insolation, has more fittings for pipeline connection, has more potential water leakage threats, poor sealing effect of the hot-melt connecting pipeline, complex operation, low working efficiency and the like.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a cross-sectional view of the packing cap and tube-in-tube protector of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

As shown in fig. 1, a method for constructing a pipeline without hot-melt direct-insertion connection comprises the following steps;

step 1: pre-buried laying of CD pipe

Step 2: CD tube fixation and porting

The filling block comprises a filling cover, a handle 2 is arranged on the outer wall of the filling cover, a sealing block 3 is arranged in the middle of the inner wall of the filling cover, an annular electric slide block 4 is arranged on the inner wall of the filling cover, an annular pipe 5 is arranged on the inner wall of the annular electric slide block 4, a cleaning brush 6 with a spiral structure is arranged on the inner wall of the annular pipe 5, the sealing block 3 is in a round platform structure, the diameters of the sealing blocks 3 are sequentially reduced from front to back, the filling cover is manually plugged into the port of the CD tube through the handle, the diameters of the sealing blocks 3 are different, can plug CD pipes with different specifications tightly, can ensure that concrete in construction operation can not affect the CD pipes, the annular electric slide block 4 controls the cleaning brush 6 to rotate, can clear up the concrete thick liquids that enter into on the outer wall of the CD pipe between packing lid and the sealed piece 3, application scope is wide, and is sealed effectual.

And step 3: pouring concrete

And 4, step 4: PB tube pretreatment

And 5: PB tube access CD tube processing

Step 6: PB tube out-side processing

The PB pipe is provided with a pipe-in-pipe protective sleeve, the pipe-in-pipe protective sleeve comprises a sleeve pipe 7 arranged on the PB pipe, a guide sliding sleeve 8 is arranged on the inner wall at the port of the sleeve pipe 7, one end of the sleeve pipe 7 close to the CD pipe is provided with an annular plate 9, the annular plate 9 is evenly provided with a driving groove along the circumferential direction, a driving frame 10 is arranged in the driving groove, the outer wall of the sleeve pipe 7 is provided with a driving threaded plate 11 in a sliding fit mode, the driving threaded plate 11 is connected with the driving frame 10 in a threaded engagement mode, the driving frame 10 is abutted against the guide sliding sleeve 8, the guide sliding sleeve 8 is made of a flexible rubber material, a driving auxiliary ball is arranged at the contact position of the driving frame 10 and the guide sliding sleeve 8, the sleeve pipe 7 is of a horn-shaped structure, the diameter of the sleeve pipe 7 towards the CD pipe direction is sequentially increased, the in-process that PB pipe and CD pipe accessed, bell and spigot joint pipe 7 moves to CD pipe direction, and guide sliding sleeve 8 has played the effect of guide at the motion in-process, and manual control drive thread board 11 rotates, and control drive frame 10 extrudees guide sliding sleeve 8 fixedly, makes things convenient for the external end processing of PB pipe, has practiced thrift the time.

And 7: water pressure test

Example (b):

1: pre-burying and laying of CD pipes:

and fixing the CD pipes at the lower positions of the steel bars on the upper part of the steel bar frame which is tied before ground pouring, wherein the CD pipes and the steel bars are installed side by side, the spacing distance between the CD pipes and the steel bars is 25-30 MM, and the spacing distance between the CD pipes which are installed adjacently is 100-150 MM.

2: CD tube fixation and porting:

3: pouring concrete:

4: PB tube pretreatment

5: PB tube access CD tube processing

6: PB tube out-side processing

The PB pipe is provided with a pipe-in-pipe protective sleeve.

7: water pressure test

Comparative example:

1: pipe laying

The water pipes are laid at the position of the bubble layer above the bundled reinforcing steel bar frame.

2: water pipe end treatment

The water inlet port of the water pipe is connected to the water tank, and the water outlet port of the water pipe is connected to the water tap.

4: pipe connection process

The water pipe connecting positions are connected in a PPR hot melting connecting mode.

4: pouring of concrete

5: water pressure test

The water pressure tester is connected with a water pipe, various data of the water pressure tester are checked, the water pressure tester selects a Hanpai Rui brand full-automatic pressure tester, the testing temperature is 5-30 ℃, the testing pressure is 1-5 Mpa, the testing time is 24 hours, the pressure is relieved to a normal state, the testing steps are repeated, and whether water leaks from a connecting part is checked.

Table 1 shows comparative analyses of the above examples and comparative examples

The data in table 1 show that the pipeline construction method without hot-melt direct-insertion connection adopted in the embodiment can greatly reduce the pipeline insolation time relative to the traditional pipeline construction mode, ensure that the pipeline does not leak water due to insolation, and has the advantages of less connecting parts, good sealing effect, shortened engineering period, no surface material damage, long-term insolation of the pipeline, serious water leakage caused by damage, more accessories required for pipeline connection, more potential water leakage threats, poor sealing effect of the hot-melt connecting pipeline, complex operation, low working efficiency and other problems.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pipeline construction method without hot melt direct insertion type connection is characterized in that: comprises the following steps;

step 1: pre-burying and laying of CD pipes:

fixing a CD pipe at the position below a steel bar on the upper part of a steel bar frame which is tied before ground pouring, wherein the CD pipe and the steel bar are arranged side by side, and the spacing distance between the CD pipe and the steel bar is 25-30 MM;

step 2: CD tube fixation and porting:

the CD pipe is fixed on the steel bar through the pipe clamp, the straight laying part of the CD pipe is used as a fixed point at the position of 500mm at intervals of 400-fold, the curve laying part of the CD pipe is used as a fixed point at the position of 320mm at intervals of 250-fold, the head and tail ports of the CD pipe are plugged by using a plugging block, and the port of the CD pipe is wound and wrapped on the outer part of the exposed CD pipe at the contact position of the steel bar by using a heat insulation material;

the filling block comprises a filling cover (1), a handle (2) is arranged on the outer wall of the filling cover (1), a sealing block (3) is arranged in the middle of the inner wall of the filling cover (1), an annular electric sliding block (4) is arranged on the inner wall of the filling cover (1), an annular pipe (5) is arranged on the inner wall of the annular electric sliding block (4), and a cleaning brush (6) with a spiral structure is arranged on the inner wall of the annular pipe (5);

and step 3: pouring concrete:

uniformly pouring the stirred concrete on a reinforcing steel bar frame by using a distributing machine, wherein the distributing machine is a cylindrical distributing machine, and a floor vibrating ruler with the model number of JH-200 is selected to carry out compaction operation on the concrete;

and 4, step 4: PB tube pretreatment

The method comprises the following steps of uniformly coating the outer wall of the opening at the head end and the tail end of a PB pipe by using non-toxic lubricating oil, wherein the coating length is 30-36 MM, and the selected non-toxic lubricating oil is composed of the following raw materials in parts by weight: 50-55 parts of organic silicone oil, 10-12 parts of soybean oil, 15-18 parts of anticorrosive, 8-10 parts of oxidant and 20-25 parts of friction moderator;

and 5: PB tube access CD tube processing

Inserting a PB tube into the CD tube, wherein the central lines of the PB tube and the CD tube at the interface are always kept on the same straight line;

step 6: PB tube out-side processing

The pipe-in-pipe protective sleeve is arranged on the PB pipe and comprises a sleeve pipe (7) arranged on the PB pipe, a guide sliding sleeve (8) is arranged on the inner wall of the port of the sleeve pipe (7), an annular plate (9) is arranged at one end, close to the CD pipe, of the sleeve pipe (7), driving grooves are uniformly formed in the annular plate (9) along the circumferential direction of the annular plate, a driving frame (10) is arranged in each driving groove, a driving threaded plate (11) is arranged on the outer wall of the sleeve pipe (7) in a sliding fit mode, and the driving threaded plate (11) is connected with the driving frame (10) in a threaded engagement mode;

and 7: water pressure test

2. The method for constructing the pipeline without hot melt direct insertion type connection according to claim 1, wherein the method comprises the following steps: the interval between the CD pipes installed adjacently is 100-150 MM.

3. The method for constructing the pipeline without hot melt direct insertion type connection according to claim 1, wherein the method comprises the following steps: the sealing block (3) is of a circular truncated cone-shaped structure, and the diameter of the sealing block (3) is reduced from front to back in sequence.

4. The method for constructing the pipeline without hot melt direct insertion type connection according to claim 1, wherein the method comprises the following steps: the heat insulation material is a pipeline heat insulation adhesive tape, the adhesive tape is uniformly wound on the CD pipe, and the winding number of the adhesive tape is 8-10 circles.

5. The method for constructing the pipeline without hot melt direct insertion type connection according to claim 1, wherein the method comprises the following steps: the driving frame (10) is abutted against the guide sliding sleeve (8), the guide sliding sleeve (8) is made of flexible rubber materials, and a driving auxiliary ball is arranged at the contact position of the driving frame (10) and the guide sliding sleeve (8).

6. The method for constructing the pipeline without hot melt direct insertion type connection according to claim 1, wherein the method comprises the following steps: the bell and spigot pipe (7) is of a horn-shaped structure, and the diameter of the bell and spigot pipe (7) from the PB pipe to the CD pipe is increased in sequence.