CN102778038A - Inner container of water heater - Google Patents
Inner container of water heater Download PDFInfo
- Publication number
- CN102778038A CN102778038A CN2012102983018A CN201210298301A CN102778038A CN 102778038 A CN102778038 A CN 102778038A CN 2012102983018 A CN2012102983018 A CN 2012102983018A CN 201210298301 A CN201210298301 A CN 201210298301A CN 102778038 A CN102778038 A CN 102778038A
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- plastic
- water heater
- outer layer
- heater liner
- inner container
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention relates to the technical field of water heaters, and in particular relates to an inner container of a water heater. The inner container of the water heater consists of an outer layer of plastic and an inner layer of plastic; the outer layer of plastic is 1-5mm thick, and the inner layer of plastic is 0.5-3mm thick; and the inner layer of plastic is made from the material according with drinking water standard, and has the suitable temperature ranging from minus 30 DEG C to 120 DEG C. According to the invention, the inner container of the water heater consists of the outer layer of plastic and the inner layer of plastic; the inner layer is made from high-temperature-resistant PP (propene polymer) and other materials which accord with the drinking water standard; the inner layer of material is resistant to high temperature of 95-120 DEG C, is smooth in surface, is difficult in scaling, is acid-proof and alkali-proof, has long service life and has no pollution; and the outer layer of plastic is made from high-temperature resistant, high-intensity and good-dimension-stability composite modified material; the two kinds of materials are molded one time through a hollow blow molding processing technology, not only is the problem that a weld joint of a stainless steel inner container corrodes a leakage liquid overcome, but also the secondary pollution caused by adding various kinds of modified agents in order to improve the thermal resistant temperature of a common plastic inner container is overcome.
Description
Technical field
The present invention relates to technical field of water heaters, particularly a kind of water heater liner.
Background technology
Existing market solar water heater commonly used or inner container of electric water heater mainly contain stainless steel inner container, enamel inner container, and the monolayer plastic of use inner bag is also arranged.The stainless steel inner container manufacturing process is complicated, and resistance to acids and bases is poor, is prone to fouling, and soldered is long, and the welding position easy oxide etch of being heated is leaked; The enamel inner container processing technology is complicated, and specification requirement is high, and fragility is big, and collision, vibrations are easy to generate the quick-fried phenomenon of phosphorus, and enamel is prone to come off in hot water, pollutes; Common plastics liner material heat-resisting effect is poor, and is yielding, contains material modifiedly, be prone to produce water and pollutes.
Summary of the invention
In order to solve the problem that the oxide etch of stainless steel hot water heater liner weld seam, enamel inner container enamel come off, common plastics inner bag additive is prone to contaminant water that existing water heater liner exists, the invention provides a kind of corrosion-resistant, heat-resisting effect good, not yielding, can not produce the double-layer plastic one water heater liner that water pollutes.
The present invention realizes in the following manner:
Water heater liner is made up of outer layer plastic and inner plastic.
Outer layer plastic thickness 1-5 millimeter, inner plastic thickness 0.5-3 millimeter.
The inner plastic material is the plastics that meet drinking water standard, and the Applicable temperature scope is-30 ~ 120 degree.
The inner plastic material is polypropylene (PP) or polybutene (PB); Polybutene is tasteless, nontoxic, nothing is smelt; Temperature applicable range is wide; Have cold-resistant, heat-resisting, withstand voltage, non-corrosive, burn into non-scaling, life-span long (can reach 50-100), and have can long-term ageing-resistant characteristics, is one of at present most advanced in the world chemical material.
Outer layer plastic be high temperature resistant, dimensional stability good, on-deformable composite modification material; Can do the performance indications that the plastics of outer layer plastic should reach is bending strength >=20MPa; Elongation at break >=300%, heat distortion temperature >=90 ℃, cantilever beam breach >=30KJ/ ㎡.The outer layer plastic prescription is: the PP of 30-80% or PB base-material, and the 0-40% framework material, the 0-30% filler, coupling agent, dispersant and flexibilizer is 2-3% altogether.With other inorganic skeleton materials such as high temperature resistant, not yielding, as to contain 0-40% glass fibre, carbon fiber or 0-40% talcum powder, calcium carbonate and basic material composite modification material as cladding material; Like this; Water heater liner size distortion amount is little; Be the 20-50% of common plastics, be convenient to the assembling of water heater accessory.
Said framework material is glass fibre or carbon fiber.
Filler is more than one in talcum powder and the calcium carbonate.
Inner plastic and outer layer plastic raw material adopt two extruders, and two kinds of raw materials get into the accumulator head through different passages, and adopt first in first out, ectonexine layers of material mode, simultaneously through extruding the hollow blow molding one-shot forming.Identical or the close material of ectonexine base-material, two kinds of material compatibilities are good, not stratified, do not need adhesive, a blow molding.
Beneficial effect of the present invention: the said double-deck water heater liner of this patent; Form by inside and outside two layers of plastic; Internal layer is made up of materials such as meeting drinking water standard and resistant to elevated temperatures PP, and anti-95-120 degree high temperature, the smooth surfaces of inner layer material, less scaling, acid and alkali-resistance, life-span are long, pollution-free; Outer layer plastic is made up of composite modification material high temperature resistant, that intensity is high, dimensional stability is good; Two kinds of materials are through the one-shot forming of hollow blow molding processing technology; Both overcome stainless steel inner container weld seam corrosion leakage problem; Overcome general plastics inner bag again for improving its heat resisting temperature, added various modifier and the secondary pollution that causes.
Description of drawings
Accompanying drawing 1 is cross-sectional view of the present invention,
Among the figure: 1, shell, 2, heat-insulation layer, 3, outer layer plastic, 4, inner plastic.
The specific embodiment
Accompanying drawing 1 is a kind of specific embodiment of the present invention, is the cross-sectional view of a solar water heater.Outermost is shell 1; One deck heat-insulation layer 2 is set in the shell 1; Heat-insulation layer 2 inboards are exactly that the water heater liner of water has been housed, and this water heater liner is made up of outer layer plastic 3 and inner plastic 4, is very different with existing stainless steel inner container, enamel inner container or monolayer plastic inner bag.
Outer layer plastic thickness is generally the 1-5 millimeter, and the general 0.5-3 millimeter of inner plastic thickness does not have very strict regulation yet, can carry out freely selecting according to the intensity of plastics, cost etc. fully.
The inner plastic material early has this kind material on the market for meeting drinking water standard and resistant to elevated temperatures polypropylene (PP) or polybutene (PB).
Outer layer plastic be high temperature resistant, dimensional stability good, on-deformable composite modification material, the performance indications that require to reach are bending strength >=20MPa, elongation at break >=300%, heat distortion temperature >=90 ℃, cantilever beam breach >=30KJ/ ㎡.
Can be PP or the PB base-material of 30-80% like the outer layer plastic prescription, the 0-40% framework material, the 0-30% filler, coupling agent, dispersant and flexibilizer is 2-3% altogether.With other inorganic skeleton materials such as high temperature resistant, not yielding, as to contain 0-40% glass fibre, carbon fiber or 0-40% talcum powder, calcium carbonate and basic material composite modification material as cladding material; Like this; Water heater liner size distortion amount is little; Be the 20-50% of common plastics, be convenient to the assembling of water heater accessory.
Said framework material is glass fibre or carbon fiber.
Filler is more than one in talcum powder and the calcium carbonate.
Inner plastic and outer layer plastic raw material adopt two extruders, and two kinds of raw materials get into the accumulator head through different passages, and adopt first in first out, ectonexine layers of material mode, simultaneously through extruding the hollow blow molding one-shot forming.Identical or the close material of ectonexine base-material, two kinds of material compatibilities are good, not stratified, do not need adhesive, a blow molding.
Water heater liner of the present invention have acid and alkali resistance property strong, meet national GB 5749-2006 drinking water standards, dimensionally stable when temperature is just changed; Not yielding; Heat distortion temperature reaches 100 degree, and deflection is less than 50% of the common plastics material, advantage that the life-span reaches 50 years etc.; Easy pollution, easy-to-leak liquid, easy fouling, complex process, the thermal deformation problem of inner bag have been solved; The time processing moulding process is simple, and cost is low, has solved simultaneously not add the adhesive lamination problem; Environmentally-friendly sanitary, energy-saving and cost-reducing.
Claims (9)
1. a water heater liner is characterized in that being made up of outer layer plastic and inner plastic.
2. water heater liner according to claim 1 is characterized in that outer layer plastic thickness 1-5 millimeter, inner plastic thickness 0.5-3 millimeter.
3. water heater liner according to claim 1 and 2 is characterized in that inner plastic material Applicable temperature scope is-30 ~ 120 degree.
4. water heater liner according to claim 3 is characterized in that the inner plastic material is polypropylene, polybutene.
5. according to each described water heater liner among the claim 1-4, it is characterized in that the bending strength >=20MPa of outer layer plastic, elongation at break >=300%, heat distortion temperature >=90 ℃, cantilever beam breach >=30KJ/ ㎡.
6. according to the water heater liner described in the claim 5, it is characterized in that the outer layer plastic prescription is: the PP of 30-80% or PB base-material, the 0-40% framework material, the 0-30% filler, coupling agent, dispersant and flexibilizer is 2-3% altogether.
7. water heater liner according to claim 6 is characterized in that said framework material is glass fibre or carbon fiber.
8. according to claim 6 or 7 described water heater liners, it is characterized in that filler is more than one in talcum powder and the calcium carbonate.
9. according to each described water heater liner among the claim 1-8; It is characterized in that inner plastic and outer layer plastic raw material adopt two extruders; Two kinds of raw materials get into the accumulator head through different passages; And adopt first in first out, ectonexine layers of material mode, simultaneously through extruding the hollow blow molding one-shot forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102983018A CN102778038A (en) | 2012-08-21 | 2012-08-21 | Inner container of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102983018A CN102778038A (en) | 2012-08-21 | 2012-08-21 | Inner container of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102778038A true CN102778038A (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102983018A Pending CN102778038A (en) | 2012-08-21 | 2012-08-21 | Inner container of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102778038A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256733A (en) * | 2013-04-15 | 2013-08-21 | 青岛百旺电器有限公司 | Pressure-bearing type plastic liner, production method and solar water heater using liner |
| CN104896739A (en) * | 2014-03-09 | 2015-09-09 | 广东顺德光晟电器股份有限公司 | Injection-molded multilayer electric water heater liner |
| CN105157227A (en) * | 2015-10-30 | 2015-12-16 | 苏州腾辉环保科技有限公司 | Air energy heat pump water unit with filtering function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061499A (en) * | 1997-03-31 | 2000-05-09 | Structural North America | Composite instantaneous water heater |
| CN2736685Y (en) * | 2003-03-21 | 2005-10-26 | 傅光华 | Electric water heater employing microwave heating technology |
| CN202747674U (en) * | 2012-08-21 | 2013-02-20 | 山东浩歌工贸有限公司 | Water heater inner container |
-
2012
- 2012-08-21 CN CN2012102983018A patent/CN102778038A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061499A (en) * | 1997-03-31 | 2000-05-09 | Structural North America | Composite instantaneous water heater |
| CN2736685Y (en) * | 2003-03-21 | 2005-10-26 | 傅光华 | Electric water heater employing microwave heating technology |
| CN202747674U (en) * | 2012-08-21 | 2013-02-20 | 山东浩歌工贸有限公司 | Water heater inner container |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256733A (en) * | 2013-04-15 | 2013-08-21 | 青岛百旺电器有限公司 | Pressure-bearing type plastic liner, production method and solar water heater using liner |
| CN103256733B (en) * | 2013-04-15 | 2015-09-16 | 青岛百旺电器有限公司 | Pressure-type plastic inner container, production method and use the solar water heater of this inner bag |
| CN104896739A (en) * | 2014-03-09 | 2015-09-09 | 广东顺德光晟电器股份有限公司 | Injection-molded multilayer electric water heater liner |
| CN105157227A (en) * | 2015-10-30 | 2015-12-16 | 苏州腾辉环保科技有限公司 | Air energy heat pump water unit with filtering function |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121114 |