CN110106960A - Sewage conduct construction method - Google Patents
Sewage conduct construction method Download PDFInfo
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- CN110106960A CN110106960A CN201910492400.1A CN201910492400A CN110106960A CN 110106960 A CN110106960 A CN 110106960A CN 201910492400 A CN201910492400 A CN 201910492400A CN 110106960 A CN110106960 A CN 110106960A
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- sewage
- sewage pipe
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to pipe technology fields, apply the lower problem of man-haur efficiency for waterpipe, provide a kind of sewage conduct construction method, the technical solution is as follows: the following steps are included: S1. excavation construction well；S2. pipe laying, specific as follows: by drill hole of drilling machine to form the sewage pipe mounting hole for being connected to adjacent construction well, when drilling, every advance 1-5m stopped, and sprayed sewage pipe mixture in hole wall to form sewage tube wall；S3. leak water detdction, it is specific as follows: to spray sewage pipe mixture at leak according to testing result with leak repairing；S4. inspection shaft is built.Sewage pipe mixture is sprayed on hole wall to form sewage tube wall while digging sewage sewage pipe mounting hole by boring, so that drilling prepares synchronous progress with pipeline, without overcoming soil frictional force, so that the construction efficiency of sewage pipe greatly improves.
Description
Technical field
The present invention relates to pipe technology fields, more particularly, to a kind of sewage conduct construction method.
Background technique
Sewage network is one of the important means of urban sewage discharge, and is laid with the most important part of sewage pipe host and is exactly
The laying of underground sewer.
In general, pipe pushing technology is generallyd use when being laid with sewage conduct, because pipe pushing technology can effectively reduce road pavement
Occupancy, reduce influence to traffic.
But pipe pushing technology needs to overcome a large amount of frictional force, so as to apply man-haur efficiency lower for sewage conduct, therefore also
Improve space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of sewage conduct construction method, have
The higher advantage of construction efficiency.
To achieve the above object, the present invention provides the following technical scheme that
A kind of sewage conduct construction method, comprising the following steps:
S1. excavation construction well；
S2. pipe laying, specific as follows:
By drill hole of drilling machine to form the sewage pipe mounting hole for being connected to adjacent construction well, when drilling, every advance 1-5m stopped
Under, and in hole wall spraying sewage pipe mixture to form sewage tube wall；
S3. leak water detdction, specific as follows:
Sewage pipe mixture is sprayed at leak according to testing result with leak repairing；
S4. inspection shaft is built.
By using above-mentioned technical proposal, sewage pipe mixture is sprayed while digging sewage sewage pipe mounting hole by boring
To form sewage tube wall on hole wall, so that drilling prepares synchronous progress with pipeline, and sewage pipe is without overcoming soil friction
Power, so that bore operation efficiency greatly improves, but also the construction efficiency of sewage pipe greatly improves；Pass through every advance 1- when drilling
5m stops, and sprays sewage pipe mixture in hole wall, to utilize sewage pipe pipe walls support sewage pipe mounting hole in time, avoids dirt
Water pipe installation hole drill digs too deep the case where leading to collapsing；By leak water detdction, guarantee the integrality of sewage pipe, guarantees construction matter
Amount.
The present invention is further arranged to: in the step S2, sewage pipe mixture coating thickness is at least 10mm.
By using above-mentioned technical proposal, guarantee the structural strength of sewage tube wall, and then ensure that sewage pipe support is dirty
The effect of water pipe mounting hole.
The present invention is further arranged to: in the step S3, by ultrasonic listening to detect the coherent of sewage tube wall
Degree.
By using above-mentioned technical proposal, to detect by ultrasonic listening easy to operate, improves efficiency, and make
Obtain the case where testing result has preferable guarantee, reduces missing inspection.
The present invention is further arranged to: in the step S1, the correspondence position of inspection shaft in design drawing is arranged in construction well
It sets, is poured concrete in construction well in the step S4 to form inspection shaft.
By using above-mentioned technical proposal, no longer needed to by building construction well at inspection shaft, when so that building inspection shaft
Secondary excavation reduces process, improves construction efficiency.
The present invention is further arranged to: the sewage pipe mixture includes the component of following mass fraction:
100 parts of polyformaldehyde；
30-36 parts of polyacrylonitrile；
30-36 parts of polyphthalamide.
It is matrix by using polyformaldehyde, so that the physical property of sewage pipe mixture by using above-mentioned technical proposal
Preferably, guarantee that there is sewage pipe enough structural strengths to support sewage pipe mounting hole；By the way that polypropylene is added in polyformaldehyde
Nitrile and poly- neck benzenedicarboxamide, and mixed with special ratios, so that the brittle temperature of sewage pipe mixture declines, improve
The resistance to low temperature of sewage pipe, so that sewage pipe is preferably suitable for cold area, applicability is wider.
The present invention is further arranged to: the sewage pipe mixture further includes the component of following mass fraction:
10-15 parts of carbon fiber；
2-3 parts of glass fibre；
8-12 parts of ceramic powder.
By using above-mentioned technical proposal, sewage pipe mixture is effectively increased by the way that carbon fiber and glass fibre is added
Tensile strength effectively improves the compression strength of sewage pipe mixture, so that the physical property of sewage pipe obtains by the way that ceramic powder is added
To be promoted, and then preferably ensure the effect of sewage pipe support sewage pipe mounting hole.
The present invention is further arranged to: the sewage pipe mixture further includes the component of following mass fraction:
1-2 parts of glass putty；
0.5-1 parts of copper powder；
5-10 parts of nano silica.
By using above-mentioned technical proposal, by the way that glass putty is added, so that sewage pipe has certain heat insulation effect；By adding
Enter copper powder, so that sewage pipe has certain heat-conducting effect；By the way that nano silica is added, so that sewage pipe mixture has
Preferable thixotropy, so that sewage pipe mixture is not easy to flow after being sprayed on hole wall, so that the pipe thickness of sewage pipe point
Cloth is more uniform, and then ensure that the quality of sewage pipe.
The present invention is further arranged to: the construction method of the sewage pipe mixture is as follows:
A., polyacrylonitrile, polyphthalamide are ground to the powder for being 10-100nm to partial size；Polyformaldehyde is ground
It is milled to the particle that partial size is 0.1-1mm
B. polyformaldehyde particle, polyacrylonitrile powder and poly- neck benzenedicarboxamide powder are mixed and forms just mixed object；
C. first mixing is added in extrusion equipment and is heated to molten polyformaldehyde and extruding pelletization, form sewage conduct mixing
Object.
By using above-mentioned technical proposal, by the way that polyacrylonitrile and polyphthalamide are crushed to Nano grade,
Due to after molten polyformaldehyde due to polyacrylonitrile and poly- neck benzenedicarboxamide fusing point it is higher and can not be with molten and polyformaldehyde
Mixing, is easier to be dispersed in the polyformaldehyde of melting, guarantees the effect of modified polyacetal by the way that nanoscale is powdered；
By the way that polyformaldehyde to be ground to the particle of 0.1-1mm and first by polyformaldehyde particle and polyacrylonitrile powder and poly- neighbour
Benzenedicarboxamide powder adds melting mixing in extrusion equipment after mixing, and the heat of sewage pipe mixture of effectively shortening is gone through
History reduces sewage pipe and the case where thermal degradation occurs.
In conclusion the invention has the following advantages:
1. sewage pipe mixture is sprayed on hole wall to form sewage while digging sewage sewage pipe mounting hole by boring
Tube wall, so that drilling prepares synchronous progress with pipeline, without overcoming soil frictional force, so that the construction efficiency of sewage pipe is substantially
It improves；
2. every advance 1-5m stops when passing through drilling, and sprays sewage pipe mixture in hole wall, to utilize sewage in time
Tube wall supports sewage pipe mounting hole, and sewage pipe installation hole drill is avoided to dig too deep the case where leading to collapsing；
3. by the way that polyacrylonitrile and poly- neck benzenedicarboxamide are added in polyformaldehyde, and being mixed with special ratios, make
The brittle temperature decline for obtaining sewage pipe mixture, so that the applicability of sewage pipe is wider；
4. effectively increasing the tensile strength of sewage pipe mixture by the way that carbon fiber and glass fibre is added, made pottery by being added
Porcelain powder effectively improves the compression strength of sewage pipe mixture, so that the physical of sewage pipe can be promoted, and then preferably protects
Hinder the effect of sewage pipe support sewage pipe mounting hole.
Detailed description of the invention
Fig. 1 is the flow diagram of countless pipeline construction methods in the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, invention is further described in detail.
Embodiment 1
A kind of sewage conduct construction method, referring to Fig.1, comprising the following steps:
S1. excavation construction well, specific as follows:
It is positioned according to the position of inspection shaft in design drawing, and excavation construction well, at least excavates adjacent two and apply
Start next step operation after work well again.
S2. pipe laying, specific as follows:
By drill hole of drilling machine, cut the earth by excavator and when will be portalled by the soil transport of drilling machine breakage outside, to apply
It is bored on work well side wall and digs sewage pipe mounting hole, and remove the soil dug out in time；
The internal diameter of sewage pipe mounting hole is 10mm bigger than the internal diameter of sewage conduct in design, bores after digging 1m and clears up inner wall of the pipe,
Sewage pipe composition is sprayed, to form sewage tube wall；
When spraying, first sewage pipe composition is added in extrusion equipment and is heated to 220 DEG C, then squeezed out and sprayed by spray head
It is coated in sewage pipe inner wall of the hole installing, coating thickness 10mm；
It repeats to bore digging and spraying operation, until sewage pipe mounting hole is connected to two adjacent construction wells.
S3. leak water detdction, specific as follows:
Sewage pipe, which is scanned, by ultrasonic scanner sprays sewage pipe again if there is the imperfect place of sewage tube wall
Composition is complete to fill, and carries out leak repairing to sewage pipe to realize.
S4 builds inspection shaft, specific as follows:
Cast template is built in construction well, concrete is poured to form the inner wall of inspection shaft, keeps sewage pipe and detection
Well connection dismantles template and completes construction after concrete final set.
Embodiment 2
The difference from embodiment 1 is that
In step S2:
The internal diameter of sewage pipe mounting hole is 15mm bigger than the internal diameter of sewage conduct in design, bores after digging 2.5m and clears up in pipeline
Wall sprays sewage pipe composition, to form sewage tube wall；
When spraying, first sewage pipe composition is added in extrusion equipment and is heated to 240 DEG C, then squeezed out and sprayed by spray head
It is coated in sewage pipe inner wall of the hole installing, coating thickness 15mm；
Embodiment 3
The difference from embodiment 1 is that
In step S2:
The internal diameter of sewage pipe mounting hole is 18mm bigger than the internal diameter of sewage conduct in design, bores after digging 5m and clears up inner wall of the pipe,
Sewage pipe composition is sprayed, to form sewage tube wall；
When spraying, first sewage pipe composition is added in extrusion equipment and is heated to 260 DEG C, then squeezed out and sprayed by spray head
It is coated in sewage pipe inner wall of the hole installing, coating thickness 18mm；
Embodiment 4
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. polyacrylonitrile powder 30kg, polyphthalamide powder 30kg and polyformaldehyde particle 100kg addition are stirred
It mixes in kettle, closes stirred tank, be passed through nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form
Just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Embodiment 5
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. polyacrylonitrile powder 33kg, polyphthalamide powder 33kg and polyformaldehyde particle 100kg addition are stirred
It mixes in kettle, closes stirred tank, be passed through nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form
Just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Embodiment 6
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. polyacrylonitrile powder 36kg, polyphthalamide powder 36kg and polyformaldehyde particle 100kg addition are stirred
It mixes in kettle, closes stirred tank, be passed through nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form
Just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Embodiment 7
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. polyacrylonitrile powder 35kg, polyphthalamide powder 31kg and polyformaldehyde particle 100kg addition are stirred
It mixes in kettle, closes stirred tank, be passed through nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form
Just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Embodiment 8
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber
10kg, glass fibre 2kg, ceramic powder 8kg, glass putty 1kg, copper powder 0.5kg and nano silica 5kg are added in stirred tank,
Stirred tank is closed, nitrogen is passed through, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 3mm.
Embodiment 9
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber
12.5kg, glass fibre 2.5kg, ceramic powder 10kg, glass putty 1.5kg, copper powder 0.75kg and nano silica 7.5kg are added
In stirred tank, stirred tank is closed, is passed through nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, after mixing evenly shape
At first mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 15mm.
Glass fibre length is 2mm.
Embodiment 10
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber
15kg, glass fibre 3kg, ceramic powder 12kg, glass putty 2kg, copper powder 1kg and nano silica 10kg are added in stirred tank,
Stirred tank is closed, nitrogen is passed through, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 20mm.
Glass fibre length is 5mm.
Embodiment 11
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber
13kg, glass fibre 2kg, ceramic powder 9kg, glass putty 2kg, copper powder 1kg and nano silica 8kg are added in stirred tank, envelope
Stirred tank is closed, nitrogen is passed through, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 2mm.
Comparative example 1
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile and poly- adjacent benzene
It is 10-100nm that diformamide, which is ground to partial size, and it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber 13kg, glass fibre 2kg, ceramics
Powder 9kg, glass putty 2kg, copper powder 1kg and nano silica 8kg are added in stirred tank, close stirred tank, are passed through nitrogen, are discharged
Then air stirs 10min with 30r/min revolving speed, be mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 2mm.
Comparative example 2
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile and poly- O-phthalic
It is 10-100nm that amide, which is ground to partial size, and it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyformaldehyde particle 100kg, carbon fiber 13kg, glass fibre 2kg, ceramic powder
9kg, glass putty 2kg, copper powder 1kg and nano silica 8kg are added in stirred tank, close stirred tank, are passed through nitrogen, and discharge is empty
Then gas stirs 10min with 30r/min revolving speed, be mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 2mm.
Comparative example 3
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyformaldehyde is respectively put into grinder and is ground, polyacrylonitrile and polyphthalamide are ground to partial size
For 10-100nm, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyformaldehyde particle 100kg, carbon fiber 13kg, glass fibre 2kg, ceramic powder 9kg, glass putty 2kg, copper powder 1kg
And nano silica 8kg is added in stirred tank, closes stirred tank, is passed through nitrogen, and air is discharged, and is then turned with 30r/min
Speed stirring 10min is mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 2mm.
Comparative example 4
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, ceramic powder
9kg, glass putty 2kg, copper powder 1kg and nano silica 8kg are added in stirred tank, close stirred tank, are passed through nitrogen, and discharge is empty
Then gas stirs 10min with 30r/min revolving speed, be mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Comparative example 5
A kind of preparation method of sewage pipe composition, comprising the following steps:
A. polyacrylonitrile, polyphthalamide and polyformaldehyde are respectively put into grinder and are ground, by polyacrylonitrile
And it is 10-100nm that polyphthalamide, which is ground to partial size, it is 0.1 ± 0.1mm that polyformaldehyde, which is ground to partial size,.
B. by polyacrylonitrile powder 35kg, polyphthalamide powder 31kg, polyformaldehyde particle 100kg, carbon fiber
13kg, glass fibre 2kg, glass putty 2kg, copper powder 1kg and nano silica 8kg are added in stirred tank, close stirred tank, lead to
Enter nitrogen, air is discharged, 10min is then stirred with 30r/min revolving speed, is mixing uniformly to form just mixed object.
C. first mixed object is added twin-screw extrude, is heated to 200 DEG C, squeezes out to underwater pelletizer and be granulated, shape
At sewage pipe composition.
Carbon fiber length is 10mm.
Glass fibre length is 2mm.
Experiment 1
It detects using embodiment 4-11 and compares according to GB/T5470-2008 " measurement of plastic impact method brittle temperature "
The brittle temperature of sample prepared by the sewage pipe composition of example 1-5 preparation.
Experiment 2
According to GB/T14208.3-2009 " textile fibreglass reinforced plastics roving reinforced resin stick mechanical performance
Measure third portion: the measurement of compressive strength " detect the sewage pipe composition prepared using embodiment 4-11 and comparative example 1-5
The compressive strength of prepared sample.
Experiment 3
It is detected and is utilized according to GB/T528-2009 " measurement of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance "
The tensile strength of sample prepared by the sewage pipe composition of embodiment 4-11 and comparative example 1-5 preparation.
Specific detection data is shown in Table 1
Table 1
| Brittle temperature | Compressive strength | Tensile strength | |
| Embodiment 4 | -68 | 169 | 91 |
| Embodiment 5 | -69 | 171 | 92 |
| Embodiment 6 | -67 | 170 | 90 |
| Embodiment 7 | -69 | 171 | 93 |
| Embodiment 8 | -68 | 168 | 91 |
| Embodiment 9 | -68 | 167 | 92 |
| Embodiment 10 | -67 | 169 | 91 |
| Embodiment 11 | -69 | 168 | 90 |
| Comparative example 1 | -38 | 170 | 92 |
| Comparative example 2 | -39 | 169 | 93 |
| Comparative example 3 | -38 | 170 | 91 |
| Comparative example 4 | -69 | 165 | 75 |
| Comparative example 5 | -68 | 134 | 92 |
It can be obtained according to table 1, by the way that polyacrylonitrile and polyphthalamide are added in polyformaldehyde and specifically to compare
Example mixing, so that the brittle temperature of the sample of sewage pipe composition preparation has decline by a relatively large margin, so that sewage pipe is preferably
Suitable for cold district, so that the applicability of sewage pipe is wider.
The tensile strength of sample prepared by sewage pipe composition can be effectively improved by the way that carbon fiber and glass fibre is added,
So that the physical property of sewage pipe is preferable.
The compressive strength that the sample of sewage pipe composition preparation can be effectively improved by the way that ceramic powder is added, so that sewage pipe
Structural strength more preferably, and then preferably supports sewage pipe mounting hole, and sewage pipe mounting hole is preferably avoided to collapse.
Due to using polyformaldehyde as major matrix material, when so that sewage pipe needing dismounting and change, heating melting is only needed
Sewage pipe, that is, quick release reduces the step of extracting sewage pipe, operates more convenient.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of sewage conduct construction method, it is characterized in that: the following steps are included:
S1. excavation construction well；
S2. pipe laying, specific as follows:
By drill hole of drilling machine to form the sewage pipe mounting hole for being connected to adjacent construction well, when drilling, every advance 1-5m stopped, and
In hole wall spraying sewage pipe mixture to form sewage tube wall；
S3. leak water detdction, specific as follows:
Sewage pipe mixture is sprayed at leak according to testing result with leak repairing；
S4. inspection shaft is built.
2. sewage conduct construction method according to claim 1, it is characterized in that: in the step S2, sewage pipe mixture
Coating thickness is at least 10mm.
3. sewage conduct construction method according to claim 1, it is characterized in that: being visited in the step S3 by ultrasonic wave
It surveys to detect the coherent degree of sewage tube wall.
4. sewage conduct construction method according to claim 1, it is characterized in that: construction well setting exists in the step S1
The corresponding position of inspection shaft in design drawing is poured concrete in construction well to form inspection shaft in the step S4.
5. sewage conduct construction method according to claim 1, it is characterized in that: the sewage pipe mixture includes following matter
Measure the component of number:
100 parts of polyformaldehyde；
30-36 parts of polyacrylonitrile；
30-36 parts of polyphthalamide.
6. sewage conduct construction method according to claim 5, it is characterized in that: the sewage pipe mixture further includes following
The component of mass fraction:
10-15 parts of carbon fiber；
2-3 parts of glass fibre；
8-12 parts of ceramic powder.
7. sewage conduct construction method according to claim 5, it is characterized in that: the sewage pipe mixture further includes following
The component of mass fraction:
1-2 parts of glass putty；
0.5-1 parts of copper powder；
5-10 parts of nano silica.
8. sewage conduct construction method according to claim 1, it is characterized in that: the construction party of the sewage pipe mixture
Method is as follows:
A., polyacrylonitrile, polyphthalamide are ground to the powder for being 10-100nm to partial size；Polyformaldehyde is ground to
Partial size is the particle of 0.1-1mm
B. polyformaldehyde particle, polyacrylonitrile powder and poly- neck benzenedicarboxamide powder are mixed and forms just mixed object；
C. first mixing is added in extrusion equipment and is heated to molten polyformaldehyde and extruding pelletization, form sewage conduct mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492400.1A CN110106960B (en) | 2019-06-06 | 2019-06-06 | Sewage pipeline construction method |
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Cited By (5)
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| CN110105671A (en) * | 2019-06-06 | 2019-08-09 | 广东隆建工程有限公司 | House feedwater piping |
| CN110512709A (en) * | 2019-08-20 | 2019-11-29 | 广州鸿粤园林环保有限公司 | Trenchless repairing method of underground pipeline |
| CN110938348A (en) * | 2019-11-21 | 2020-03-31 | 广东中晋建设工程有限公司 | Sewage pipeline construction process |
| CN111411679A (en) * | 2020-04-22 | 2020-07-14 | 广东天濠建设工程有限公司 | Municipal drainage pipeline construction process |
| CN111535425A (en) * | 2020-05-12 | 2020-08-14 | 广东明龙建设有限公司 | Underground drainage pipe leakage repairing construction method |
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