CN111792875A - PVC-U solid wall sound attenuation spiral pipe and preparation process - Google Patents
PVC-U solid wall sound attenuation spiral pipe and preparation process Download PDFInfo
- Publication number
- CN111792875A CN111792875A CN202010627598.2A CN202010627598A CN111792875A CN 111792875 A CN111792875 A CN 111792875A CN 202010627598 A CN202010627598 A CN 202010627598A CN 111792875 A CN111792875 A CN 111792875A
- Authority
- CN
- China
- Prior art keywords
- parts
- pvc
- solid wall
- basalt
- spiral pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing halogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
Abstract
The invention discloses a PVC-U solid wall silencing spiral pipe and a preparation process thereof, belonging to the technical field of pipes, and comprising the following components in parts by weight: 140-160 parts of calcium powder, 5-10 parts of CPE (chlorinated polyethylene), 5-10 parts of titanium dioxide, 3-3.5 parts of stearic acid, 20-30 parts of basalt, 1-1.3 parts of cross-linking agent, 30-50 parts of filler, 0.5-2 parts of stabilizer, 0.1-0.2 part of paraffin, 1-1.5 parts of bleaching agent and 1.2-1.6 parts of whitening agent. The solid-wall silencing spiral pipe prepared by adding the filler, basalt and calcium powder and CPE is light in weight, high in hardness, impact-resistant, wear-resistant, ageing-resistant and good in sound-absorbing effect.
Description
Technical Field
The invention relates to a spiral pipe and a preparation process thereof, in particular to a PVC-U solid wall silencing spiral pipe and a preparation process thereof, belonging to the technical field of pipes.
Background
The PVC-U pipeline is produced by using sanitary polyvinyl chloride resin as main material, adding proper amount of stabilizer, lubricant, stuffing, coloring agent, etc. and through extrusion in plastic extruder, injection in injection molding machine, cooling, solidification, setting, inspection, packing and other steps. The cast iron pipe has the advantages of excellent physical and chemical properties, chemical corrosion resistance, high impact strength, small fluid resistance, 30% of flow rate improvement compared with a cast iron pipe with the same caliber, aging resistance, long service life and service life of not less than 50 years, and is an ideal material for water supply and drainage of buildings. The PVC-U silencing pipe can be divided into: a spiral silencer duct and a double-walled spiral silencer duct. The existing spiral pipe has larger noise when delivering water, so that the noise is larger at night, and the life is influenced.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provides a PVC-U solid wall silencing spiral pipe and a preparation process thereof.
The purpose of the invention can be achieved by adopting the following technical scheme:
a PVC-U solid wall sound attenuation spiral pipe comprises the following components by weight: 140-160 parts of calcium powder, 5-10 parts of CPE (chlorinated polyethylene), 5-10 parts of titanium dioxide, 3-3.5 parts of stearic acid, 20-30 parts of basalt, 1-1.3 parts of cross-linking agent, 30-50 parts of filler, 0.5-2 parts of stabilizer, 0.1-0.2 part of paraffin, 1-1.5 parts of bleaching agent and 1.2-1.6 parts of whitening agent.
Preferably, the filler is filling particles which are formed by mixing wheat straw powder and wood chip powder and have the particle size of 100-130 meshes.
Preferably, the stabilizer is two or more of silicone oil, rare earth stabilizer, phosphorous acid vinegar or epoxidized soybean oil.
Preferably, the whitening agent is the whitening agent AD.
Preferably, the basalt is basalt powder, and the granularity of the basalt powder is 100-130 meshes.
Preferably, the ratio of calcium powder to CPE is 2: 1.
preferably, the crosslinking agent is diethanolamine.
A preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: weighing the raw materials according to the weight components;
step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30-45 min;
and step 3: adding the rest raw materials into a stirrer for mixing, stirring for 1-1.5 h, and pouring into an extruder after mixing uniformly;
and 4, step 4: connecting the extruder with a die and a cooler, discharging, molding and cooling, and keeping the temperature of cooling water at-5 ℃.
Preferably, the materials in the step 3 are uniformly mixed and then are input into a drying oven for drying, and the water content after drying is 2% -2.5%.
The invention has the beneficial technical effects that: according to the PVC-U solid wall sound-deadening spiral pipe and the preparation process, the solid wall sound-deadening spiral pipe prepared by adding the filler, the basalt and the calcium powder and the CPE is light in weight, high in hardness, impact-resistant, wear-resistant, ageing-resistant and sound-absorbing.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The PVC-U solid wall spiral silencing pipe provided by this embodiment comprises, by weight: 140-160 parts of calcium powder, 5-10 parts of CPE (chlorinated polyethylene), 5-10 parts of titanium dioxide, 3-3.5 parts of stearic acid, 20-30 parts of basalt, 1-1.3 parts of cross-linking agent, 30-50 parts of filler, 0.5-2 parts of stabilizer, 0.1-0.2 part of paraffin, 1-1.5 parts of bleaching agent and 1.2-1.6 parts of whitening agent.
The filler is filling particles which are formed by mixing wheat straw powder and sawdust powder and have the particle size of 100-130 meshes. The stabilizer is two or more of silicone oil, rare earth stabilizer, phosphorous acid vinegar or epoxidized soybean oil. The whitening agent is whitening agent AD. The basalt is basalt powder, and the granularity of the basalt powder is 100-130 meshes. The use ratio of the calcium powder to the CPE is 2: 1. the crosslinking agent is diethanolamine.
A preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: weighing the raw materials according to the weight components;
step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30-45 min;
and step 3: adding the rest raw materials into a stirrer for mixing, stirring for 1-1.5 h, and pouring into an extruder after mixing uniformly;
and 4, step 4: connecting the extruder with a die and a cooler, discharging, molding and cooling, and keeping the temperature of cooling water at-5 ℃.
And (3) after the materials are uniformly mixed in the step (3), drying the materials in a drying box, wherein the water content of the dried materials is 2-2.5%.
Example 1:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: the whitening agent comprises, by weight, 140 parts of calcium powder, 5 parts of CPE, 5 parts of titanium dioxide, 3 parts of stearic acid, 20 parts of basalt, 1 part of a cross-linking agent, 30 parts of a filling material, 0.5 part of a stabilizer, 0.1 part of paraffin, 1 part of a bleaching agent and 1.2 parts of a whitening agent.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing, stirring for 1.5h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into a material extruding machine, wherein the water content of the materials is 2% after drying;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
Example 2:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: the whitening agent comprises, by weight, 142 parts of calcium powder, 6 parts of CPE, 6 parts of titanium dioxide, 3 parts of stearic acid, 22 parts of basalt, 1 part of a cross-linking agent, 32 parts of a filling material, 0.5 part of a stabilizer, 0.1 part of paraffin, 1 part of a bleaching agent and 1.2 parts of a whitening agent.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing, stirring for 1.5h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into a material extruding machine, wherein the water content of the materials is 2% after drying;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
Example 3:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: weighing 145 parts of calcium powder, 7 parts of CPE, 7 parts of titanium dioxide, 3 parts of stearic acid, 24 parts of basalt, 1 part of cross-linking agent, 30 parts of filling material, 0.5 part of stabilizing agent, 0.1 part of paraffin, 1 part of bleaching agent and 1.2 parts of whitening agent according to the weight components.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing, stirring for 1.5h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into a material extruding machine, wherein the water content of the materials is 2% after drying;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
Example 4:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: weighing 148 parts of calcium powder, 8 parts of CPE, 8 parts of titanium dioxide, 3 parts of stearic acid, 26 parts of basalt, 1 part of cross-linking agent, 36 parts of filling material, 0.5 part of stabilizing agent, 0.1 part of paraffin, 1 part of bleaching agent and 1.2 parts of whitening agent according to weight components.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing and stirring for 1.5h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into an extruder, wherein the water content of the materials after drying is 2 percent;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
Example 5:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: the whitening agent comprises, by weight, 150 parts of calcium powder, 8 parts of CPE, 8 parts of titanium dioxide, 3 parts of stearic acid, 28 parts of basalt, 1 part of a cross-linking agent, 38 parts of a filling material, 0.5 part of a stabilizer, 0.1 part of paraffin, 1 part of a bleaching agent and 1.2 parts of a whitening agent.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing, stirring for 1.5h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into a material extruding machine, wherein the water content of the materials is 2% after drying;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
Example 6:
a preparation process of a PVC-U solid wall silencing spiral pipe comprises the following steps:
step 1: the whitening agent comprises, by weight, 160 parts of calcium powder, 10 parts of CPE, 10 parts of titanium dioxide, 3.5 parts of stearic acid, 30 parts of basalt, 1.3 parts of a cross-linking agent, 50 parts of a filling material, 0.5 part of a stabilizer, 0.1 part of paraffin, 1 part of a bleaching agent and 1.6 parts of a whitening agent.
Step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30 min;
and step 3: adding the rest raw materials into a stirrer, mixing, stirring for 1h, uniformly mixing the materials, then putting the materials into a drying oven for drying, and pouring the materials into a material extruding machine, wherein the water content of the materials is 2% after drying;
and 4, step 4: connecting the extruder with a mold and a cooler, discharging and molding while cooling, and keeping the temperature of the cooling water at-5 ℃.
In summary, in this embodiment, according to the PVC-U solid wall spiral silencing tube and the preparation process of this embodiment, and the PVC-U solid wall spiral silencing tube and the preparation process of this embodiment, it can be known from embodiments 1 to 6 that the PVC-U solid wall spiral silencing tube prepared in embodiment 4 has the best noise reduction effect. The solid-wall silencing spiral pipe prepared by adding the filler, basalt and calcium powder and CPE is light in weight, high in hardness, impact-resistant, wear-resistant, ageing-resistant and sound-absorbing.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (9)
1. A PVC-U solid wall sound attenuation spiral pipe is characterized by comprising the following components in parts by weight: 140-160 parts of calcium powder, 5-10 parts of CPE (chlorinated polyethylene), 5-10 parts of titanium dioxide, 3-3.5 parts of stearic acid, 20-30 parts of basalt, 1-1.3 parts of cross-linking agent, 30-50 parts of filler, 0.5-2 parts of stabilizer, 0.1-0.2 part of paraffin, 1-1.5 parts of bleaching agent and 1.2-1.6 parts of whitening agent.
2. The PVC-U solid wall spiral pipe for noise reduction of claim 1, wherein the filler is a mixture of wheat straw powder and wood dust, and the mixture has a particle size of 100-130 meshes.
3. The PVC-U solid wall spiral sound damping pipe of claim 1, wherein the stabilizer is two or more of silicone oil, rare earth stabilizer, phosphorous acid vinegar or epoxidized soybean oil.
4. The PVC-U solid wall sound-deadening spiral pipe of claim 1, wherein said whitening agent is AD.
5. The PVC-U solid wall spiral pipe for silencing according to claim 1, wherein the basalt is basalt powder, and the particle size of the basalt powder is 100-130 mesh.
6. The PVC-U solid wall spiral sound damping pipe as claimed in claim 1, wherein the calcium powder and CPE are used in a ratio of 2: 1.
7. the PVC-U solid wall spiral noise damping pipe of claim 1, wherein said crosslinking agent is diethanolamine.
8. A preparation process of a PVC-U solid wall sound attenuation spiral pipe is characterized by comprising the following steps:
step 1: weighing the raw materials according to the weight components;
step 2: adding basalt and filler into a stirrer, uniformly mixing, and adding a bleaching agent for bleaching for 30-45 min;
and step 3: adding the rest raw materials into a stirrer for mixing, stirring for 1-1.5 h, and pouring into an extruder after mixing uniformly;
and 4, step 4: connecting the extruder with a die and a cooler, discharging, molding and cooling, and keeping the temperature of cooling water at-5 ℃.
9. The process for preparing a PVC-U solid wall spiral pipe for noise reduction according to claim 8, wherein the materials in step 3 are mixed uniformly and then put into a drying oven for drying, and the water content after drying is 2-2.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627598.2A CN111792875A (en) | 2020-07-02 | 2020-07-02 | PVC-U solid wall sound attenuation spiral pipe and preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627598.2A CN111792875A (en) | 2020-07-02 | 2020-07-02 | PVC-U solid wall sound attenuation spiral pipe and preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111792875A true CN111792875A (en) | 2020-10-20 |
Family
ID=72809988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010627598.2A Pending CN111792875A (en) | 2020-07-02 | 2020-07-02 | PVC-U solid wall sound attenuation spiral pipe and preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111792875A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049847A (en) * | 2010-11-04 | 2011-05-11 | 东莞市泰至塑料五金有限公司 | PVC-U (Unplasticized Poly Vinyl Chloride) hollow-wall internal-screw sound absorbing tube and preparation method thereof |
| CN105086121A (en) * | 2015-05-28 | 2015-11-25 | 广西金滩管业科技有限公司 | Production method for PVC-U drainage pipe |
| CN105524370A (en) * | 2015-12-15 | 2016-04-27 | 浙江邦德管业有限公司 | High-performance PVC-U telecommunication pipe |
| CN111040335A (en) * | 2019-12-05 | 2020-04-21 | 河南联塑实业有限公司 | PVC-U internal spiral silencing pipe and preparation method thereof |
-
2020
- 2020-07-02 CN CN202010627598.2A patent/CN111792875A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049847A (en) * | 2010-11-04 | 2011-05-11 | 东莞市泰至塑料五金有限公司 | PVC-U (Unplasticized Poly Vinyl Chloride) hollow-wall internal-screw sound absorbing tube and preparation method thereof |
| CN105086121A (en) * | 2015-05-28 | 2015-11-25 | 广西金滩管业科技有限公司 | Production method for PVC-U drainage pipe |
| CN105524370A (en) * | 2015-12-15 | 2016-04-27 | 浙江邦德管业有限公司 | High-performance PVC-U telecommunication pipe |
| CN111040335A (en) * | 2019-12-05 | 2020-04-21 | 河南联塑实业有限公司 | PVC-U internal spiral silencing pipe and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109734988B (en) | High-ring-stiffness inner-rib reinforced corrugated pipe and preparation method thereof | |
| CN103486355A (en) | Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof | |
| CN102996913B (en) | A kind of novel high-strength HDPE multiple tubes and its production method | |
| CN105153531A (en) | High-temperature-resistant PE (polyethylene) corrugated pipe filling master batch and preparation method thereof | |
| CN101358008A (en) | Preparation method of special material for buried polyethylene drainage pipe | |
| CN111393769B (en) | Anti-scaling drainage and pollution discharge pipe, pipe fitting and preparation method thereof | |
| CN105131399A (en) | High-low temperature and static resistant PE corrugated pipe filling master batch as well as preparation method thereof | |
| CN105017611A (en) | Ageing-resistant filling masterbatch for PE bellows and preparation method therefor | |
| CN107778691A (en) | PVC silencing drainage pipes and its production method | |
| CN111100405A (en) | Environment-friendly PVC-U (polyvinyl chloride-U) pipe and preparation method thereof | |
| CN111792875A (en) | PVC-U solid wall sound attenuation spiral pipe and preparation process | |
| CN111117031A (en) | Polyethylene composite material for modified pipe with high impact resistance, good toughness, weather resistance and aging resistance and preparation method thereof | |
| CN108003475A (en) | A kind of heat-resisting fiberglass reinforced polypropylene pipe and preparation method thereof | |
| CN103172937A (en) | Special material for silicane grafted PPR (polypropylene random) pipe and preparation method thereof | |
| CN105778355A (en) | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof | |
| CN103059392B (en) | Plastic defoamer | |
| CN107189231A (en) | Polypropylene reinforced double-wall corrugated pipe | |
| CN105017610A (en) | Filling masterbatch for PE bellows and preparation method therefor | |
| CN107400307A (en) | A kind of fire-resistant corrosion-resistant pipeline material and preparation method thereof | |
| WO2009156012A1 (en) | Polyolefin composition reinforced with a filler and pipe comprising the polyolefin compositon | |
| AU729922B2 (en) | Plastic pipe with improved acoustic properties, and process for manufacturing such a pipe | |
| CN108047573B (en) | Special material for PPR (polypropylene random) pipe and preparation method thereof | |
| CN106750941A (en) | Modified polypropylene flame redardant foamed board of a kind of hydridization aramid fiber silica aerogel and preparation method thereof | |
| CN111534036B (en) | Modified polypropylene material and preparation method and application thereof | |
| CN114013113A (en) | High-temperature-resistant PVC composite mute drainage pipe and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |