CN104817820A - Remote water meter shell - Google Patents
Remote water meter shell Download PDFInfo
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- CN104817820A CN104817820A CN201510256996.7A CN201510256996A CN104817820A CN 104817820 A CN104817820 A CN 104817820A CN 201510256996 A CN201510256996 A CN 201510256996A CN 104817820 A CN104817820 A CN 104817820A
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Abstract
The invention belongs to the technical field of material processing and discloses a remote water meter shell which is prepared from the following raw materials: iron powder, copper powder, alumina, silica sand, silicon carbide, aluminum nitride, phenolic resin, polycarbonate, chitosan, polydimethylsiloxane, boric acid, hydroxyethyl cellulose, diatomaceous earth, kaolin, glass fiber, graphite, molybdenum disulfide. The shell material disclosed by the invention has the advantages of good mechanical properties and corrosion resistance and low raw material cost, and is suitable for mass production.
Description
Technical field
The invention belongs to materials processing technology field, relate to remote transmitting water meter housing.
Background technology
Water meter is the instrument measuring discharge.The integrated flow measurement of water mostly.Generally be divided into volumetric water meter and velocity type water meter two class.The former accuracy comparatively the latter is high, but high to water quality requirement, easily blocked time impure in water.The instrument of record tap water water consumption, is contained on water pipe, and when user discharges water, on table, pointer or character wheel rotate the water yield pointing out to pass through.Remote transmitting water meter is purposes a kind of intellectual water meter comparatively widely.
Remote transmitting water meter generally includes housing, cover and watch glass etc.Housing is the important component part of water meter, and it is generally divided into cast iron shell, copper shell and Al alloy shell etc.Cast iron shell: because cast iron water meter exists secondary pollution, therefore, mandatory water meter safety rule requires the iron-clad water meter eliminating ash casting material in 2010, for large-diameter water meter, will replace graphitic cast iron with spheroidal graphite cast iron.In water meter, the component of all contact water should adopt and it has been generally acknowledged that material manufacture that is nontoxic, pollution-free, inactive, and should be able to resist inside and outside corrosion.Copper shell: when the cry eliminating cast iron shell water meter is gradually more and more higher, World Copper valency is still in low level, some producer's choice for use brass replace cast iron to manufacture watermeter shell.Copper valency subsequently goes up, and causes the selling at exorbitant prices of copper shell water meter, and installs easily stolen out of doors, and the trend adopting brass to replace cast iron to manufacture watermeter shell does not form weather.China is the country of a copper resource shortage, and the smelting of copper needs the energy of at substantial, does not conform to the policy of energy-saving and emission-reduction.Brass is the product of copper leading, its verdigris produced, and its toxicity is far longer than the harm of cast iron iron rust to people, so, use brass, secondary pollution problem can not be solved.Al alloy shell: aluminium alloy adopts extrusion process, shaping characteristic is obvious, and product is specious.But it is large that it exists technology difficulty, produces a large amount of Wastewater Pollutants, general enterprises is difficult to process.
How to prepare a kind of performance better, low raw-material cost, the remote transmitting water meter housing of preparation method's simple and feasible is the prior art technical issues that need to address.
Summary of the invention
The object of the invention is the many defects solving remote transmitting water meter case material in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, a kind of remote transmitting water meter housing and preparation method thereof is provided.
To achieve these goals, technical scheme of the present invention realizes in the following way:
A kind of remote transmitting water meter housing, it is prepared from by following raw material:
Iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, resol, polycarbonate, chitin, polydimethylsiloxane, boric acid, Natvosol, diatomite, kaolin, glass fibre, graphite, molybdenumdisulphide.
Preferably, it is prepared from by the raw material of following weight part:
Iron powder 500-600 part, copper powder 90-100 part, aluminum oxide 70-80 part, silica sand 60-70 part, silicon carbide 60-70 part, aluminium nitride 55-60 part, resol 40-50 part, polycarbonate 30-40 part, chitin 26-28 part, polydimethylsiloxane 22-25 part, boric acid 18-20 part, Natvosol 16-18 part, diatomite 12-15 part, kaolin 12-15 part, glass fibre 10-12 part, graphite 8-10 part, molybdenumdisulphide 3-5 part.
The preparation method of above-mentioned remote transmitting water meter housing comprises the steps:
Each raw material is taken according to above-mentioned weight part;
Diatomite and kaolin are added to successively in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, and dry, being ground to particle diameter is 100-200 order, obtains mixture 1;
By iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, graphite and molybdenumdisulphide are put in stirrer successively, and 300 turns/min stirs 10min, obtains mixture 2;
By resol, polycarbonate, chitin, polydimethylsiloxane, boric acid, Natvosol and glass fibre are put in retort successively, retort temperature controls at 60 DEG C, and churning time is 15min, and stirring velocity is 200 turns/min, leave standstill 30min after stirring, obtain mixture 3;
Mixture 1, mixture 2 and mixture 3 are added in whizzer successively, 500 turns/min centrifugal mixer 6min, after stirring, be added in the reaction vessel being preheating to 100 DEG C, then rise to 700 DEG C according to the heat-up rate of 20 DEG C/min, stir 10 minutes subsequently, stop heating, pour in forming mould, rapid solidification forms housing.
Preferably, iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, the particle diameter of graphite and molybdenumdisulphide all controls between 200-500 μm;
The cut to lengthen of described glass fibre is at 50-100 μm, and diameter control is at 10-30 μm.
The beneficial effect that the present invention obtains mainly comprises:
Possess good synergy between each material component of the present invention, higher mechanical property can be reached, and possess excellent cold and hot stability, corrosion-resistant and rustless property; The present invention, by carrying out modification to diatomite and kaolin, improves dispersion effect, and fills enhancing to body material, improves cold and hot stability and corrosion resistance nature; The present invention is by adding glass fibre, and make the uniformity coefficient in length and breadth of interiors of products weave construction, raw material powder is uniformly dispersed, and substantially increases wear resistance and corrosion resistance; The present invention, by adding appropriate molybdenumdisulphide, serves lubrication and oxidation resistant effect; The each low raw-material cost of the present invention, lower than the cost of the water meter case that market is commonly used, is conducive to reducing enterprise's raw materials cost, promotes suitability for industrialized production.
Embodiment
Below employing specific embodiment is made further explanation to the present invention, but it is not as the restriction to initiative spirit of the present invention.
Embodiment 1
A kind of remote transmitting water meter housing, it is prepared from by the raw material of following weight part:
Iron powder 500 parts, copper powder 90 parts, 70 parts, aluminum oxide, silica sand 60 parts, 60 parts, silicon carbide, aluminium nitride 55 parts, 40 parts, resol, polycarbonate 30 parts, chitin 26 parts, polydimethylsiloxane 22 parts, boric acid 18 parts, Natvosol 16 parts, 12 parts, diatomite, kaolin 12 parts, 10 parts, glass fibre, 8 parts, graphite, molybdenumdisulphide 3 parts.
The preparation method of above-mentioned remote transmitting water meter housing comprises the steps:
Each raw material is taken according to above-mentioned weight part;
Diatomite and kaolin are added to successively in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, and dry, being ground to particle diameter is 100-200 order, obtains mixture 1;
By iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, graphite and molybdenumdisulphide are put in stirrer successively, and 300 turns/min stirs 10min, obtains mixture 2;
By resol, polycarbonate, chitin, polydimethylsiloxane, boric acid, Natvosol and glass fibre are put in retort successively, retort temperature controls at 60 DEG C, and churning time is 15min, and stirring velocity is 200 turns/min, leave standstill 30min after stirring, obtain mixture 3;
Mixture 1, mixture 2 and mixture 3 are added in whizzer successively, 500 turns/min centrifugal mixer 6min, after stirring, be added in the reaction vessel being preheating to 100 DEG C, then rise to 700 DEG C according to the heat-up rate of 20 DEG C/min, stir 10 minutes subsequently, stop heating, pour in forming mould, rapid solidification forms housing.
Above-mentioned iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, the particle diameter of graphite and molybdenumdisulphide all controls at 200 μm; The cut to lengthen of above-mentioned glass fibre is at 50 μm, and diameter control is at 10 μm.
Embodiment 2
A kind of remote transmitting water meter housing, it is prepared from by the raw material of following weight part:
Iron powder 600 parts, copper powder 100 parts, 80 parts, aluminum oxide, silica sand 70 parts, 70 parts, silicon carbide, aluminium nitride 60 parts, 50 parts, resol, polycarbonate 40 parts, chitin 28 parts, polydimethylsiloxane 25 parts, boric acid 20 parts, Natvosol 18 parts, 15 parts, diatomite, kaolin 15 parts, 12 parts, glass fibre, 10 parts, graphite, molybdenumdisulphide 5 parts.
The preparation method of above-mentioned remote transmitting water meter housing comprises the steps:
Each raw material is taken according to above-mentioned weight part;
Diatomite and kaolin are added to successively in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, and dry, being ground to particle diameter is 100-200 order, obtains mixture 1;
By iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, graphite and molybdenumdisulphide are put in stirrer successively, and 300 turns/min stirs 10min, obtains mixture 2;
By resol, polycarbonate, chitin, polydimethylsiloxane, boric acid, Natvosol and glass fibre are put in retort successively, retort temperature controls at 60 DEG C, and churning time is 15min, and stirring velocity is 200 turns/min, leave standstill 30min after stirring, obtain mixture 3;
Mixture 1, mixture 2 and mixture 3 are added in whizzer successively, 500 turns/min centrifugal mixer 6min, after stirring, be added in the reaction vessel being preheating to 100 DEG C, then rise to 700 DEG C according to the heat-up rate of 20 DEG C/min, stir 10 minutes subsequently, stop heating, pour in forming mould, rapid solidification forms housing.
Above-mentioned iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, the particle diameter of graphite and molybdenumdisulphide all controls at 500 μm; The cut to lengthen of above-mentioned glass fibre is at 100 μm, and diameter control is at 30 μm.
Embodiment 3
The performance test of remote transmitting water meter case material prepared by the present invention:
The housing prepared for the embodiment of the present invention 1 and 2 carries out performance test; Wherein flexural strength is pressed ASTM D790 and is tested; Tensile strength is tested according to ASTM D638; Notched Izod impact strength is pressed ASTM D256 and is tested.The test result of resulting materials is in table 1:
Table 1
| Performance perameter | Embodiment 1 | Embodiment 2 |
| Flexural strength (Kgf/cm 2) normal temperature | 1586 | 1596 |
| Tensile strength (Kgf/cm 2) normal temperature | 923 | 937 |
| Notched Izod impact strength (KJ/m 2) | 15.3 | 15.5 |
Embodiment 4
The corrosion resistance nature test of case material prepared by the present invention:
1. in 60% nitric acid, corrode 50 h run:
The embodiment of the present invention 1: surface is by slight erosion, and form Grey Rough surface, the region of 1% becomes numb shape iron rust layer;
Steel as matrix material: most surfaces becomes canescence, more than 40% region forms red point-like rust staining.
2. in natural sea-water, corrode 100 h run:
The embodiment of the present invention 2: surperficial pole slight erosion, 99% keeps light; About 1% region becomes beige spot;
Steel as matrix material: surface becomes grey black rust staining.
Finally, it is also to be noted that what enumerate above is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (2)
1. a remote transmitting water meter housing, is characterized in that, described housing is prepared from by the raw material of following weight part:
Iron powder 500-600 part, copper powder 90-100 part, aluminum oxide 70-80 part, silica sand 60-70 part, silicon carbide 60-70 part, aluminium nitride 55-60 part, resol 40-50 part, polycarbonate 30-40 part, chitin 26-28 part, polydimethylsiloxane 22-25 part, boric acid 18-20 part, Natvosol 16-18 part, diatomite 12-15 part, kaolin 12-15 part, glass fibre 10-12 part, graphite 8-10 part, molybdenumdisulphide 3-5 part; Preferably, iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, the particle diameter of graphite and molybdenumdisulphide is all between 200-500 μm; The length of described glass fibre is between 50-100 μm, and diameter is between 10-30 μm.
2. housing according to claim 1, is characterized in that, the preparation method of described housing comprises the steps:
Each raw material is taken according to above-mentioned weight part;
Diatomite and kaolin are added to successively in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, and dry, being ground to particle diameter is 100-200 order, obtains mixture 1;
By iron powder, copper powder, aluminum oxide, silica sand, silicon carbide, aluminium nitride, graphite and molybdenumdisulphide are put in stirrer successively, and 300 turns/min stirs 10min, obtains mixture 2;
By resol, polycarbonate, chitin, polydimethylsiloxane, boric acid, Natvosol and glass fibre are put in retort successively, retort temperature controls at 60 DEG C, and churning time is 15min, and stirring velocity is 200 turns/min, leave standstill 30min after stirring, obtain mixture 3;
Mixture 1, mixture 2 and mixture 3 are added in whizzer successively, 500 turns/min centrifugal mixer 6min, after stirring, be added in the reaction vessel being preheating to 100 DEG C, then rise to 700 DEG C according to the heat-up rate of 20 DEG C/min, stir 10 minutes subsequently, stop heating, pour in forming mould, rapid solidification forms housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256996.7A CN104817820A (en) | 2015-05-20 | 2015-05-20 | Remote water meter shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256996.7A CN104817820A (en) | 2015-05-20 | 2015-05-20 | Remote water meter shell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131514A (en) * | 2015-09-09 | 2015-12-09 | 徐怀洪 | Strong-strength corrosion-resistant water meter shell and preparation process for same |
| CN105754226A (en) * | 2016-05-14 | 2016-07-13 | 徐怀洪 | Preparation method of wireless remote water meter shell |
| CN105949612A (en) * | 2016-05-13 | 2016-09-21 | 徐怀洪 | Plastic casing for intelligent water meter |
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2015
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Patent Citations (7)
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| CN1858116A (en) * | 2006-05-29 | 2006-11-08 | 常熟市日之升塑胶制造厂 | Glass microfiber and super micro nano particle reinforced tenacity increased nylon composite material and its preparing method |
| CN1931920A (en) * | 2006-08-28 | 2007-03-21 | 浙江阳光纳米科技有限公司 | Drinking water meter of nanometer composite nylon material |
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| CN104151745A (en) * | 2014-08-12 | 2014-11-19 | 山东梦奇电器有限公司 | High and low voltage power distribution cabinet housing material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131514A (en) * | 2015-09-09 | 2015-12-09 | 徐怀洪 | Strong-strength corrosion-resistant water meter shell and preparation process for same |
| CN105949612A (en) * | 2016-05-13 | 2016-09-21 | 徐怀洪 | Plastic casing for intelligent water meter |
| CN105754226A (en) * | 2016-05-14 | 2016-07-13 | 徐怀洪 | Preparation method of wireless remote water meter shell |
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Application publication date: 20150805 |
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