CN101804888B - Polyethylene heat-preservation water tank and production process thereof - Google Patents
Polyethylene heat-preservation water tank and production process thereof Download PDFInfo
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- CN101804888B CN101804888B CN2010101274513A CN201010127451A CN101804888B CN 101804888 B CN101804888 B CN 101804888B CN 2010101274513 A CN2010101274513 A CN 2010101274513A CN 201010127451 A CN201010127451 A CN 201010127451A CN 101804888 B CN101804888 B CN 101804888B
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Abstract
The invention relates to water tank and relates to a heat-preservation water tank. The polyethylene heat-preservation water tank comprises a tank body and a cover body, wherein both the tank body and the cover body are manufactured integrally by using a polyethylene material as a raw material and by a rotational molding technique; the tank body is provided with a tank body interlayer filled with a polyurenthane heat preservation material; and the cover body is provided with a cover body interlayer filled with the polyurenthane heat preservation material. The production process of the polyethylene heat-preservation water tank comprises the following steps: 1), blending, extruding and granulating the polyethylene material and grinding the grains to obtain 60-mesh powder which is used as a raw material; 2) filling the raw material in a cavity of a mould to form a tank body blank and a cover body blank by the rotational molding technique integrally; and 3) placing the tank body blank in a wood clamp, placing a clamping fixture in the tank body, placing the cover body blank in a corresponding clamp in the same way, and filling high-pressure polyurenthane by injection. As the technical scheme is adopted, the polyethylene heat-preservation water tank has the advantages of remarkable heat-preservation effect, low cost, high performance-to-price ratio, long service life and the like.
Description
Technical field
The present invention relates to water tank, be specifically related to a kind of attemperater and production technology thereof.
Background technology
The hot water thermal insulating water tank generally adopts materials such as stainless steel inner container, the bonding inner bag of polyvinyl-chloride plate material or glass-felt plastic inner bag, and skin adds the polystyrene foamed warm material and processes.These hot water thermal insulating water tanks have following shortcoming: at first, be incubated inefficiency, especially cold season, wasted mass energy; Secondly, service life is short, and all need repairing general every year; Once more,, after use a period of time, cause the weld nugget corrosion easily, cause seepage problem because these hot water thermal insulating water tanks all need welding.
Summary of the invention
The objective of the invention is to, a kind of polyethylene heat-preservation water tank is provided, solve the problems of the technologies described above.
The present invention also aims to, a kind of production technology of polyethylene heat-preservation water tank is provided, be used for producing polyethylene heat-preservation water tank through this technology.
The technical matters that the present invention solved can adopt following technical scheme to realize:
Polyethylene heat-preservation water tank comprises a casing, is positioned at the lid on casing top, it is characterized in that the casing of said casing for adopting polythene material to process through rotational molding process global formation technology as raw material; The lid of said lid for adopting polythene material to process through rotational molding process global formation technology as raw material;
Said casing is provided with a casing interlayer, and said casing interlayer adopts the polyurethane thermal insulation material to fill; Said lid is provided with a lid interlayer, and said lid interlayer adopts the polyurethane thermal insulation material to fill.
Adopt the rotational molding global formation technology of polythene material as raw material, make polythene material pass through the alloy modification processing, the casing of processing and lid have no soldered, in light weight, impermeable, acid and alkali-resistance, life-span and numerous remarkable advantages such as grow.Casing and lid all adopt the polyurethane thermal insulation material to fill, and make the present invention have good heat-insulating property.
Said polythene material adopts Hi-fax (LLDPE), metallocene linear polyethylene (MLLDPE) and ultra tiny aluminium hydrosilicate through blend, extruding pelletization, grinds to form the raw material of 60 order fineness powder as rotational molding again.Adopt said raw material can make said casing and lid in-30 ℃～100 ℃ range of temperaturess, shrinkage percentage≤1.5%.Polythene material is the material of less expensive in the plastic material, adopts not only long service life of the present invention that polythene material processes as raw material, and because it is cheap, effectively reduces productive costs.
Be provided with movable snap close between said casing and the said lid.
The top of said casing and said lid junction are provided with two circle seal rings.To guarantee the optimal seal effect.
Said tank surface is provided with reinforced rib.Said reinforced rib is along the concave bar of casing lateral surfaces or convex tendon.So that strengthen the integral rigidity of casing.
The top of said casing is provided with an overflow pipe, and said lid is provided with an outgate, and said overflow pipe is through said outgate and extraneous UNICOM, and said overflow pipe and casing interface adopt the welding of sweat soldering technology.To guarantee heat retaining property of the present invention and leak tightness.
Said casing is cylindric, and said lid is the bamboo hat shape.
The production technology of polyethylene heat-preservation water tank is characterized in that, comprising:
The polythene material that 1) will comprise Hi-fax (LLDPE), metallocene linear polyethylene (MLLDPE) and ultra tiny aluminium hydrosilicate grinds to form 60 order fineness powder, as the raw material of rotational molding again through blend, extruding pelletization;
2) said raw material is packed in the mold cavity of casing, lid,, be tank body blank, cover body blank through the rotational molding process global formation;
3) tank body blank is inserted in the wooden anchor clamps, inserted mold in the casing, cover body blank is also inserted in the corresponding anchor clamps equally, injects high pressure polyamine fat again and fills.
Beneficial effect: owing to adopted technique scheme, the present invention in-28 ℃ of environment, 80 ℃ hot water ,≤5 ℃ of coolings in 10 hours, and do not have maintenance service life>=10 year have that heat insulation effect is remarkable, cost is low, the cost performance advantages of higher.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, polyethylene heat-preservation water tank comprises casing 1, lid 2, and casing 1 is with lid 2 and adopts polythene material to process through rotational molding process global formation technology as raw material; Casing 1 is provided with a casing interlayer 11, and casing interlayer 11 adopts the polyurethane thermal insulation material to fill; Lid 2 is provided with a lid interlayer 21, and lid interlayer 21 adopts the polyurethane thermal insulation material to fill.The thickness of casing interlayer 11 and lid interlayer 21 can be set to 5cm.Adopt the rotational molding global formation technology of polythene material as raw material, make polythene material pass through the alloy modification processing, casing 1 and the lid of processing 2 has no soldered, in light weight, impermeable, acid and alkali-resistance, life-span and numerous remarkable advantages such as grows.Casing 1 all adopts the polyurethane thermal insulation material to fill with lid 2, makes the present invention have good heat-insulating property.Polythene material adopts Hi-fax (LLDPE), metallocene linear polyethylene (MLLDPE) and ultra tiny aluminium hydrosilicate through blend, extruding pelletization, grinds to form the raw material of 60 order fineness powder as rotational molding again.Adopt polythene material can make casing 1 and lid 2 in-30 ℃～100 ℃ range of temperaturess, shrinkage percentage≤1.5% as raw material.Polythene material is the material of less expensive in the plastic material, adopts not only long service life of the present invention that polythene material processes as raw material, and because it is cheap, effectively reduces productive costs.
Be provided with movable snap close 3 between casing 1 and the lid 2.Casing 1 is cylindric, is specially the cylinder of 1.5m internal diameter, to satisfy volume more than 5 cubes.Lid 2 is the bamboo hat shape, is specially diameter 1.5m 16 polygonal bamboo hat shapes.During practical implementation, a movable snap close 3 can be installed on 16 polygonal each limit of lid 2.The top of casing 1 and lid 2 junctions are provided with two circle seal rings 4.The spacing of two circle seal rings 4 is 3cm, to guarantee the optimal seal effect.Casing 1 surface is provided with reinforced rib 5, and reinforced rib 5 is concave bar or the convex tendon along casing 1 lateral surfaces.Reinforced rib 5 can adopt petal-like six the horizontal convex tendons of plum blossom, is provided with the integral rigidity that plum blossom petal-shaped convex tendon has not only been strengthened casing 1, also makes the polyethylene heat-preservation water tank monnolithic case neat and artistic.The top of casing 1 is provided with an overflow pipe 6, and lid 2 is provided with an outgate, and overflow pipe 6 is through outgate and extraneous UNICOM, and overflow pipe 6 adopts the welding of sweat soldering technology with casing 1 interface.To guarantee heat retaining property of the present invention and leak tightness.The bottom of casing 1 also is provided with a detritus tank, and the external foul valve of detritus tank, the interface of foul valve and casing 1 also adopt the welding of sweat soldering technology.
The production technology of polyethylene heat-preservation water tank comprises: 1) with Hi-fax (LLDPE), metallocene linear polyethylene (MLLDPE) and ultra tiny aluminium hydrosilicate through blend, extruding pelletization, grind to form 60 order fineness powder again, as the raw material of rotational molding; 2) raw material is packed in the mold cavity of casing 1, lid 2,, be tank body blank, cover body blank through the rotational molding process global formation.3) tank body blank is inserted in the wooden anchor clamps, inserted mold in the tank body blank, cover body blank is also inserted in the corresponding anchor clamps equally, injects high pressure polyamine fat again and fills.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. polyethylene heat-preservation water tank comprises a casing, is positioned at the lid on casing top, it is characterized in that the casing of said casing for adopting polythene material to process through rotational molding process global formation technology as raw material; The lid of said lid for adopting polythene material to process through rotational molding process global formation technology as raw material;
Said casing is provided with a casing interlayer, and said casing interlayer adopts the polyurethane thermal insulation material to fill; Said lid is provided with a lid interlayer, and said lid interlayer adopts the polyurethane thermal insulation material to fill.
2. polyethylene heat-preservation water tank according to claim 1; It is characterized in that: said polythene material adopts Hi-fax, metallocene linear polyethylene and ultra tiny aluminium hydrosilicate through blend, extruding pelletization, grinds to form the raw material of 60 order fineness powder as rotational molding again.
3. polyethylene heat-preservation water tank according to claim 2 is characterized in that: be provided with movable snap close between said casing and the said lid.
4. polyethylene heat-preservation water tank according to claim 3 is characterized in that: the top of said casing and said lid junction are provided with two circle seal rings.
5. according to claim 1,2,3 or 4 described polyethylene heat-preservation water tanks, it is characterized in that: said tank surface is provided with reinforced rib.
6. polyethylene heat-preservation water tank according to claim 5 is characterized in that: said reinforced rib is the convex tendon along the casing lateral surfaces.
7. polyethylene heat-preservation water tank according to claim 5; It is characterized in that: the top of said casing is provided with an overflow pipe; Said lid is provided with an outgate, and said overflow pipe is through said outgate and extraneous UNICOM, and said overflow pipe and casing interface adopt the welding of sweat soldering technology.
8. according to claim 6 or 7 described polyethylene heat-preservation water tanks, it is characterized in that: said casing is cylindric, and said lid is the bamboo hat shape.
9. the production technology of polyethylene heat-preservation water tank is characterized in that, comprising:
The polythene material that 1) will comprise Hi-fax, metallocene linear polyethylene and ultra tiny aluminium hydrosilicate grinds to form 60 order fineness powder, as the raw material of rotational molding again through blend, extruding pelletization;
2) said raw material is packed in the mold cavity of casing, lid,, be tank body blank, cover body blank through the rotational molding process global formation;
3) tank body blank is inserted in the wooden anchor clamps, inserted mold in the casing, cover body blank is also inserted in the corresponding anchor clamps equally, injects high pressure polyamine fat again and fills.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101274513A CN101804888B (en) | 2010-03-18 | 2010-03-18 | Polyethylene heat-preservation water tank and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101274513A CN101804888B (en) | 2010-03-18 | 2010-03-18 | Polyethylene heat-preservation water tank and production process thereof |
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| Publication Number | Publication Date |
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| CN101804888A CN101804888A (en) | 2010-08-18 |
| CN101804888B true CN101804888B (en) | 2012-05-23 |
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| CN2010101274513A Active CN101804888B (en) | 2010-03-18 | 2010-03-18 | Polyethylene heat-preservation water tank and production process thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105035455B (en) * | 2015-06-25 | 2017-01-25 | 湖北航天长征装备有限公司 | PE foaming once-molded large rotational molding packaging box and manufacturing process thereof |
| CN105965741A (en) * | 2016-04-30 | 2016-09-28 | 安徽志诚机电零部件有限公司 | Rotational molding technology for windshield washers of automobiles |
| CN109093911A (en) * | 2018-08-03 | 2018-12-28 | 上海山容塑料科技有限公司 | The plastic lock catch mounting structure and its installation method of rotational moulding cabinet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276480Y (en) * | 1996-09-20 | 1998-03-18 | 刘仲元 | Thermal water tank |
| CN101279665A (en) * | 2007-07-19 | 2008-10-08 | 上海万科包装材料厂 | Thermal insulation box body |
-
2010
- 2010-03-18 CN CN2010101274513A patent/CN101804888B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276480Y (en) * | 1996-09-20 | 1998-03-18 | 刘仲元 | Thermal water tank |
| CN101279665A (en) * | 2007-07-19 | 2008-10-08 | 上海万科包装材料厂 | Thermal insulation box body |
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| CN101804888A (en) | 2010-08-18 |
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