CN202590718U - Stirring paddle - Google Patents
Stirring paddle Download PDFInfo
- Publication number
- CN202590718U CN202590718U CN 201220219641 CN201220219641U CN202590718U CN 202590718 U CN202590718 U CN 202590718U CN 201220219641 CN201220219641 CN 201220219641 CN 201220219641 U CN201220219641 U CN 201220219641U CN 202590718 U CN202590718 U CN 202590718U
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- Prior art keywords
- paddle
- layer
- stirring paddle
- loom
- plastic layer
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- Expired - Fee Related
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Abstract
The utility model provides a stirring paddle. The stirring paddle is an improvement of an anti-corrosion stirring paddle. The stirring paddle is characterized in that a paddle rod is a metal core which is covered with a plastic layer, and the plastic layer is further covered with a glass fiber-reinforced plastic layer, so that abrasion produced through friction between the paddle rod and a paddle body can be resisted, and the glass fiber-reinforced plastic layer covering outside avoids damage due to bumping during transportation and installation processes. Besides, if provided is a plastic-coated anti-corrosion layer with the glass fiber-reinforced plastic layer covering outside, the disadvantage of cracks of the plastic-coated layer can be overcome at the same time. The stirring paddle has the advantages that an abrasion-resisting layer of the glass fiber-reinforced plastic layer is used as a cover, compared with metal paddle rods of 316L, 904 hastelloy alloy, and the like, 70% of cost can be saved, and using effect is the same, when the stirring paddle is used in a working condition containing chloridions and fluorinions, performance is better than that of precious metals, service life is longer than that of a stirring paddle of the precious metals, so that the stirring paddle is particularly applied to hydrometallurgy of non-ferrous metals such as copper, nickel, cobalt, gold, and the like.
Description
Technical field
Utility model is the improvement to anticorrosion paddle, relates in particular to a kind of have simultaneously corrosion resistant and wearability, is not afraid of collision again, the paddle of low cost of manufacture.
Background technology
Existing anticorrosion paddle loom adopts the outer plastic-coated clad structure of metal loom usually, and plastic-coated can form anti-corrosion protection preferably; But because some post operating mode is very harsh, for example the zinc smelting is leached slip and is stirred the post, and slurry temperature is more than 90 ℃; And contain the 30-50% solid particle; And the sulfuric acid that contains 20-30% concentration, also contain a certain amount of chlorion, therefore should corrosion resistant wear-resisting again.Yet coating layer one is not wear-resisting, causes at this environment short following service life; The 2nd, plastics and metal heat-conducting difference of coefficients are bigger, operation in higher temperature (for example more than 80 ℃), and because of the cold and hot sudden turn of events, coating is prone to generation of cracks; The 3rd, when the installation and transportation loom, very be prone to collision, the not anti-collision of strength of coating difference also is prone to cause the damage of coating.These all can make plastic coating lose protective effect.
It is anticorrosion that the applicant once adopted the plastic bushing mode to handle loom, though casing thickness increases, abrasionproof, crashworthiness increase; But exist sleeve pipe and blade joint portion, bottom hard to manage; Especially up and down two oar formula paddles of two-layer blade more can't Processing Interface, feasiblely has an anticorrosion defective; Secondly, plastic bushing and loom are difficult to accomplish to combine closely, and make sleeve pipe and metal loom be the pine cover, in use can cause the gap to increase because of there being torsion, can add stirring liquid especially and infiltrate probability.The applicant also adopts the outer directly coated with glass fibre reinforced plastics method of metal loom to handle loom, and wear-resisting problem is resolved, but directly outsourcing fiberglass has pore, is prone to produce acid solution and infilters the loom surface, produces corrosion.
And adopt expensive two-phase alloys stainless steel to make loom, and though can solve anticorrosion and wear-resisting problem simultaneously, its price is very expensive, the user does not accept.
Therefore paddle loom anticorrosion antiwear problem seems simply, but it is bigger really to solve difficulty, and paddle belongs to the cheap consumption industrial goods that are prone to, and objectively can not spend than cost greatly and do corrosion protection abrasion resistant.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, and a kind of have simultaneously corrosion resistant and wearability are provided, and is not afraid of collision again, the paddle of low cost of manufacture.
The utility model purpose realizes; The main improvement is on former plastic-coated or the anticorrosion loom of overcoat plastic tube basis, and FRP enveloped again forms metal-cored, plastic layer, frp layer three-layer composite structure; Thereby overcome the deficiency of prior art, economy has realized the utility model purpose.Specifically, the utility model paddle comprises anticorrosion blade and loom, it is characterized in that loom is metal-cored outsourcing plastic layer, and plastic layer is coated with glass fibre reinforced plastics layer more outward.
The metal-cored outer plastic layer that has of the said loom of utility model; According to prior art can be coating layer; It also can be the sleeving plastic form of tubes; Wherein plastic coating is easy to make, has both solved loom surface construction and anticorrosion problem, has also better solved the anticorrosion technique for packing problem of loom and blade wheel hub faying face.Being coated with in loom and blade wheel hub joint portion of plastic-coated is moulded the turning and covers, and makes loom and blade junction also have plastic layer to protect (formation flat seal); Sleeving plastic pipe on the loom is with the joint portion of blade, because plastic tube can not cover at the turning; Available welding method forms sealing ring; If employing loom overcoat plastic tube, could also between plastics and metal loom slot, be cast with the casting type curing material layer, for example epoxy resin, phenol an aromatic plant metioned in ancient books resin, fiber glass resin, polyurethane, liquid rubber, monomer cast nylon, cement etc.; With raising sleeve pipe and metal loom adhesion and anti-twisting property, and can prevent to get between the gap acid liquid corrosion metal loom.
This patent paddle, except that loom guard method difference, all the other all can be identical with existing anticorrosion paddle; For example anticorrosion blade, this is familiar with by those skilled in the art, and it is open that explanation of the prior art is equivalent to the present invention; Narration separately no longer one by one is to practice thrift length.
The utility model paddle; With respect to prior art; Because the plastic layer that is employed in the plastic overmold loom is coated with glass fibre reinforced plastics layer more outward; Not only improved the anti-wear performance of loom greatly, can resist the wearing and tearing that the friction of loom and slurry produces, and the parcel frp layer is also avoided transporting and installation process in the damage that brings because of colliding with.And if the plastic-coated anticorrosive coat, external application fiberglass parcel can also overcome the shortcoming that coating layer chaps simultaneously.Utility model adopts FRP enveloped anticorrosion antiwear layer, than metal looms such as 316L, 904 Hastelloys, can save cost 70%; Result of use is the same; In containing chlorion, fluorine ion operating mode, use, performance is superior to noble metal, and the life-span is longer than the noble metal paddle.The utility model paddle; Be specially adapted to various non-ferrous metal hydrometallurgies such as copper, nickel, cobalt, gold, calculate by producing 100000 tons of electrolytic zinc smeltery scales per year, year paddle purchase commodity is about 1500-1700 is ten thousand yuan; Adopt this patent paddle; Practice thrift cost year about 800-1000 is ten thousand yuan, 3,000,000 tons on national hydrometallurgy zinc, all popularizations can be practiced thrift hundred million yuans of 2-3.
Below in conjunction with two specific embodiments; Utility model essence is further understood in exemplary illustration and help; But the embodiment detail only is in order utility model to be described, not to be represented utility model design whole technical schemes down, therefore should not be construed as the total technical scheme of utility model to be limited; Some are In the view of the technical staff; The unsubstantiality that does not depart from utility model design increases and/or changes, and simple the change or replacement of technical characterictic to have same or similar technique effect for example all truely used novel protected scope.
Description of drawings
Fig. 1 moulds pipe back FRP enveloped structural representation for the loom cover.
Fig. 2 is a FRP enveloped structural representation behind the loom plastic-coated.
The specific embodiment
Embodiment 1: referring to Fig. 1, the utility model paddle is made up of the anticorrosion blade of anticorrosion loom and bottom.Wherein anticorrosion loom has poured with epoxy resin layer 2 by Metallic rod 1, outer plastic bushing 3 between plastic bushing and Metallic rod, plastic bushing and blade joint portion; With welding method with plastic bushing and blade wheel hub plastic layer welded seal; Form welding protection circle 5, the plastic bushing external packets is covered with the frp layer 4 of thick 2-15mm and (tests gained, cross thin wear-resisting, crashworthiness reduction; Blocked up increase cost, actual there is no need) form.The sleeve pipe plastics are selected, better and blade wheel hub homotype material, to make things convenient for welded seal, for example polypropylene, polyethylene, polyvinyl chloride or be the material modified of base material with these materials.
Embodiment 2: referring to Fig. 2, like embodiment 1, during wherein anticorrosion blade has, following two layers, loom is by Metallic rod 1 and outer coating layer 6 (loom bottom be coated be moulded the turning cover blade wheel hub plastic layer surface, formation hermetically-sealed construction), plastic layer outerwrap frp layer 4.
The preparation of loom coating layer is heated the metal loom to 280-300 ℃ with prior art, forms the coating layer of thickness 1-8mm through roller coating.Cooling back inspection pore-free, the coated with glass fibre reinforced plastics on the coating layer surface, thickness 2-15mm.The roller coating plastics are selected, and according to the paddle applying working condition, kinds such as selected for use PE that serviceability temperature is low or PO, serviceability temperature are higher than 80 ℃ can select high-temperature resistance plastices such as modified poly ethylene or polyphenylene sulfide for use.Parcel fiberglass can be selected the epoxy glass laminate that wearability is good, temperature tolerance is high for use, if contain solvent in the agitated medium or serviceability temperature is higher than 100 ℃, can select the good glass-reinforced plastic materials of temperature tolerance such as phenolic fiberglass reinforced plastics.
To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge; Those of ordinary skills will recognize also can adopt additive method, or uses substituting of known technology in the prior art always, and the equivalence of characteristic changes or modification; Mutual various combination between characteristic, anticorrosive coat varied in thickness for example, or the like unsubstantiality change; Can be employed equally; Can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (6)
1. paddle comprises anticorrosion blade and loom, it is characterized in that loom is metal-cored outsourcing plastic layer, and plastic layer is coated with glass fibre reinforced plastics layer more outward.
2. according to the said paddle of claim 1, it is characterized in that coated with glass fibre reinforced plastics bed thickness 2-15mm.
3. according to claim 1 or 2 said paddles, it is characterized in that metal-cored outsourcing plastic layer is a coating layer.
4. according to claim 1 or 2 said paddles, it is characterized in that metal-cored outsourcing plastic layer is a plastic bushing, sleeve pipe and metal-cored has the casting type curing material layer.
5. according to the said paddle of claim 4, it is characterized in that there is the welding circle plastic bushing and blade wheel hub joint portion.
6. according to the said paddle of claim 3, it is characterized in that coating layer becomes the turning to cover at loom with blade wheel hub joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219641 CN202590718U (en) | 2012-05-16 | 2012-05-16 | Stirring paddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219641 CN202590718U (en) | 2012-05-16 | 2012-05-16 | Stirring paddle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202590718U true CN202590718U (en) | 2012-12-12 |
Family
ID=47308300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220219641 Expired - Fee Related CN202590718U (en) | 2012-05-16 | 2012-05-16 | Stirring paddle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202590718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826535A (en) * | 2015-04-28 | 2015-08-12 | 罗国锋 | Three resistant stirring paddle |
| CN109501021A (en) * | 2017-09-15 | 2019-03-22 | 方玉文 | A kind of mixing stick of cast polyurethane equipment |
-
2012
- 2012-05-16 CN CN 201220219641 patent/CN202590718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826535A (en) * | 2015-04-28 | 2015-08-12 | 罗国锋 | Three resistant stirring paddle |
| CN109501021A (en) * | 2017-09-15 | 2019-03-22 | 方玉文 | A kind of mixing stick of cast polyurethane equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20190516 |