CN101367616A - Crystallizing glass material and method for manufacturing corrosion protection pump using the material - Google Patents
Crystallizing glass material and method for manufacturing corrosion protection pump using the material Download PDFInfo
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- CN101367616A CN101367616A CNA2008102006420A CN200810200642A CN101367616A CN 101367616 A CN101367616 A CN 101367616A CN A2008102006420 A CNA2008102006420 A CN A2008102006420A CN 200810200642 A CN200810200642 A CN 200810200642A CN 101367616 A CN101367616 A CN 101367616A
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- anticorrosion
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Abstract
The invention provides a neoceramic glass material and a production method of an antiseptic pump using the material. The neoceramic glass material of the invention is waste residue, dust, and so on, which are discarded industrially or the like, changes the waste into a treasure, makes full use of resources and saves the energy; the production method of the antiseptic pump using the material overcomes the defects of prior production techniques, can design a large and highly-efficient neoceramic glass pump thoroughly in accordance to standards, and enables the neoceramic glass pump whcih resists corrosion, friction and cold and hot shock and satisfies the requirement on environment protection and energy saving to be produced in bulk, and the invention has a great generalization value.
Description
The present invention relates to a kind of microcrystal glass material and use the manufacture method of the corrosion protection pump of this material.
Background technology
Pump is to use universal machine product very widely, and according to incompletely statistics, the output value of Chinese annual pump product is more than 40,000,000,000 yuan.In chemical industry or petrochemical complex production, pump is inflammable, explosive at high temperature, high pressure, low temperature (or very low temperature), work under the medium of poisonous deep-etching, what have also works under the condition of high inlet pressure, high-lift, high viscosity, low discharge, high cavitation erosion, in a word, the chemical industry pump performance has been proposed quite harsh requirement, particularly to erosion resistance, do not allow to reveal (to poisonous medium) and the wearability requirement is more and more higher.
The corrosion protection pump of the metallic substance of industry and glass and anticorrosion nucleated glass pump kind are all various at present, and parts such as the pump housing liner that contacts with delivery medium that glass commonly used and anticorrosion nucleated glass pump are characterized in pump, volute casing, impeller, axle, sealing member are by corrosion resistant glass or devitrified glass manufacturing.With CN1035526C " anticorrosion nucleated glass pump and manufacture method thereof " is example, it discloses the manufacture method of anticorrosion nucleated glass pump, be about to be pressed into the anticorrosion nucleated glass parts that contact with delivery medium after the devitrified glass raw materials melt, make anticorrosion nucleated glass pump.Yet prior art is for complicated anticorrosion parts, as volute casing, impeller etc.Because it is complex-shaped, can not adopt the directly whole compacting of mould.And adopt common core rod fusion, castable, little because of devitrified glass proportion again, viscosity is big, not only is difficult to cast, also can softening transform during high temperature annealing.Molding sand also can bond with the devitrified glass of molten state in addition, is difficult to remove.For reaching the standard design requirement, can only adopt complex component is divided into split part press forming more than two earlier, regrind that it is bonding with adhesives to divide profile equally, last heat temperature raising to 850 ℃ sticks into one.Because somatotype technique for sticking complexity, precision and difficult quality guarantee, therefore, existing glass pump can only lack the water-in end face to garden cylindricality or the making that the volute casing pumping chamber is made cases of otherwise standard design, the impeller that the blade face is exposed, to making existing glass and the devitrified glass throw of pump is low, flow is little, pump efficiency generally is lower than 30%; In addition; though because the glass material price height that many glass acid proof pumps are adopted; but performance is relatively low; cause using the acid proof pump degradation of its material; can not satisfy the needs of applied environment; for example; Chinese patent 02124084; it adopts glass material to make the intravital parts of pump earlier; and then glass material carried out crystallization; form the devitrified glass parts; but so the variation of specification takes place or other are numerous unexpected in the manufacture method parts that cause through regular meeting being produced the process from glass material to the devitrified glass material; out of contior accident, and then cause the not smooth of production process; scrap rate is too high, influences quality product and production schedule.
Therefore new microcrystal glass material and use the invention of manufacture method of corrosion protection pump of this material imperative.
Summary of the invention
For solving the problem that exists in the aforementioned background art, a kind of microcrystal glass material of the present invention and use the manufacture method of the corrosion protection pump of this material, it is characterized in that: described microcrystal glass material is after being the suitable processing of basic raw material process with sand, flyash, coal gangue, industrial tailings, metallurgical slag etc., mix mutually with additive, send into glass furnace and make special glass earlier, with glass crystallization, use the corrosion protection pump of this material to adopt following method manufacturing then:
A, the plaster of Paris and refractory mortar are added suitable quantity of water mix and manufacture the parts core rod,
B, the devitrified glass feed liquid of inserting 900-1700 ℃ of melting attitude with the mould that is heated to 300-500 ℃ suppress two lamellar bodies that can synthesize a pair of anticorrosion nucleated glass parts,
C, the parts core rod is folded between two lamellar bodies and mould of involutory devitrified glass parts,, makes the bonding anticorrosion nucleated glass parts monomer that is melt into of two lamellar bodies 900-1600 ℃ of following hot pressing,
After d, the die sinking anticorrosion nucleated glass parts monomer, core rod are gone into the annealing cellar for storing things together, in annealing below 500 ℃.
After e, the cooling, dispose the core rod in the anticorrosion nucleated glass parts,
F, plummer-block and packing ring part adopt can self-lubricating graphitiferous tetrafluoroethylene.And the corrosion protection pump primary structure of described this material of use is the flow passage components with corrosion protection pump, adopts microcrystal glass material to make as parts such as pump housing liner, sealing element, impeller, axle sleeve, pump case, mechanical sealing surfaces.
The invention has the beneficial effects as follows, the material of the devitrified glass among the present invention is the waste residue that industry etc. is abandoned, dust etc., it is turned waste into wealth, and makes full use of resource, save energy, and use the manufacture method of the corrosion protection pump of this material, and overcome the defective of existing production technique, can produce big specification, high efficiency various devitrified glass pumps by standard design fully, make corrosion-resistant, wear-resisting wiping, cold-resistant thermal shocking, satisfy the energy-conservation devitrified glass pump of environmental requirement and be able to mass production, have promotional value.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further detailed.
Fig. 1 is the process flow sheet of the devitrified glass basic process of production of the present invention.
Embodiment
As shown in the figure, the invention provides a kind of microcrystal glass material and use the manufacture method of the corrosion protection pump of this material, select for use microcrystal glass material to have corrosion-resistant, wear-resisting, resistant to elevated temperatures characteristics because of it, the devitrified glass acid proof pump comes out and promptly brings very big benefit to save a lot of stainless steel and other metal materials for again country to the user.Described microcrystal glass material is after being the suitable processing of basic raw material process with sand, flyash, coal gangue, industrial tailings, metallurgical slag etc., mix mutually with additive, send into glass furnace and make special glass earlier,, specifically can pass through following trial-production scheme step then with glass crystallization:
One, the preparation of glass-ceramic substrate
1. raw-material choose and prepare
Two, devitrified glass founds and be shaped
1. devitrified glass system:
Example: 1) LiO2-Al2O3-SiO
2)LiO2-Al2O3-ZnO-SiO2
3)MgO-Al2O3-Li2O3-SiO2
2. glass founds
3. coring thermal treatment: in order to obtain matched coefficient of thermal expansion, determining of temperature during coring and soaking time is very important, is related to the control of crystal grain content of the formation of principal crystalline phase.
4. crystallization and thermal treatment: strict control crystallization temperature and soaking time make the crystalline size meet performance requriements, particularly with the requirement of the coefficient of expansion coupling of bonding material.
Three, by required specification cut, abrasive disc and cleaning
1. the enforcement of anode linkage and performance test
Illustrate:
Because the kind of devitrified glass is very various, all corresponding certain production method of each product.So just make and prepare the variation of devitrified glass processing method.Sum up the devitrified glass preparation method and mainly contain the brilliant method of whole folding.
Make it reach performances such as following machinery and chemistry:
Bending strength (kilograms per centimeter 2) 1400
Vickers pyramid penetration hardness (kilograms per centimeter 2) 550
Water-intake rate 0
The void content pore-free is airtight
Proportion 2.5-2.62
1000 ℃ of maximum operating temperatures
The solubleness weightlessness (%) that in acid, continues 4 hours
10％H2SO4 0.1
100％HF 0.3
Passive hardness HRC61-HRC66
1000 ℃ of 57*10-7 degree-1 of thermal expansivity
Bending strength 2500-5000kg/cm3
The ratio 14.1 of bending strength and proportion
Softening temperature: 1100-1300 degree
Therefore devitrified glass excellent property, acidproof, alkaline-resisting, wear-resisting, high temperature resistant, intensity is high, good toughness; With low cost, raw material can be gathered materials on the spot, and utilizes depleted mine tailing and sand, and manufacturing process is simple, and cost is convenient to accomplish scale production well below like product.
Use the manufacture method of corrosion protection pump of this material as follows: the plaster of Paris and the refractory mortar of weight ratio 1:3-5 are added the core rod that suitable quantity of water is mixed and made into required part, with the microcrystal glass material liquid of 1000-1700 degree molten state insert give heat to 300-500 ℃ mould, suppress two body components of required part respectively, while hot core rod is folded in the parts of involutory required part, in time with mould 900-1600 ℃ of following hot pressing, make the bonding fusion of parts contact part.With bonding fusion all-in-one-piece monomer, go into annealing furnace together with core rod after the die sinking, in annealing below 500 ℃, optimum temps is 500-50 ℃.Owing to mould arranged outward, in the support of core rod is arranged, the remollescent monomer can not be out of shape during the hot pressing fusion.Mechanical means such as hit with vibration, cutter again after the cooling and dispose core rod in the anticorrosion glass parts, just obtain the required part of conformance with standard design.The core rod that adopts gypsum, refractory mortar to be mixed and made into is not only high temperature resistant, easily broken removing during clear mould, and not can with the glass feed liquid bonding of molten state, therefore, can guarantee parts manufacturing accuracy and quality.
Certainly, the corrosion protection pump primary structure of described this material of use is the flow passage components with corrosion protection pump, as pump housing liner, sealing element, impeller, axle sleeve, pump case, parts such as mechanical sealing surface adopt microcrystal glass material to make, and plummer-block and packing ring part adopt can self-lubricating graphitiferous tetrafluoroethylene, because plummer-block and packing ring are worked under extremely abominable mix acid liquor, lubrication problem with regard to difficult to solve, make part so adopt the graphite tetrafluoroethylene, can not consider lubrication problem because the graphite tetrafluoroethylene can be used as self-oiling bearing, the long-time use and do not need lubricant, and have wear-resisting and the low characteristics of frictional coefficient, can significantly reduce accessory loss and save energy.
In a word, use its resistance to corrosion of corrosion protection pump of microcrystal glass material good: in the time of 120 ℃ and 15% HCL effect Being 0.04-0.05% through its erosion amount of 24h, take spodumene as principal crystalline phase, then is 0.02-0.03%, and its alkali resistance greatly Be better than the acid-proof pump that other class anti-corrosion materials are made. Its scope of application is wide: can be widely used in oil, chemical industry, printing and dyeing, change The fields such as fibre, papermaking, wine processed, medicine, food, ore dressing, smelting, generating; Its long service life: devitrified glass is comprehensive A kind of new material of combined glass glass and little porcelain technical development, its hardness is very high, is higher than high-carbon steel, and it is a lot of to be better than simple glass Doubly, near the hardness of tool steel, Vickers hardness 5.9-9.3GPa, tension, bending resistance, anti-open and impact strength all reaches very High level. Wearability is good, and be more than ten times of other acid-proof pumps service life, for enterprise provides cost savings. The crystallite glass The corrosion protection pump of glass material has high temperature resistant characteristics, extensively is suitable for various industrial circles, and its heat dissipation rate is low: because the product tool Extremely low thermal conductivity factor is arranged, so in some Special use occasions, as reducing the loss of heat in the conveying of food and drink, Reduce production costs. In the power plant circulating pump used, cavitation also was insoluble problem in the pump operation, selects the crystallite glass The centrifugal pump of glass material is used the characteristics of its high-wearing feature, and the cavitation that can effectively solve the impeller inlet place is damaged, and prolongs unit In service life, produce considerable economic benefit.
Claims (2)
1. a microcrystal glass material and use the manufacture method of the corrosion protection pump of this material, it is characterized in that: described microcrystal glass material is after being the suitable processing of basic raw material process with sand, flyash, coal gangue, industrial tailings, metallurgical slag etc., mix mutually with additive, send into glass furnace and make special glass earlier, with glass crystallization, use the corrosion protection pump of this material to adopt following method manufacturing then:
A, the plaster of Paris and refractory mortar are added suitable quantity of water mix and manufacture the parts core rod,
B, the devitrified glass feed liquid of inserting 900-1700 ℃ of melting attitude with the mould that is heated to 300-500 ℃ suppress two lamellar bodies that can synthesize a pair of anticorrosion nucleated glass parts,
C, the parts core rod is folded between two lamellar bodies and mould of involutory devitrified glass parts,, makes the bonding anticorrosion nucleated glass parts monomer that is melt into of two lamellar bodies 900-1600 ℃ of following hot pressing,
After d, the die sinking anticorrosion nucleated glass parts monomer, core rod are gone into the annealing cellar for storing things together, in annealing below 500 ℃,
After e, the cooling, dispose the core rod in the anticorrosion nucleated glass parts,
F, plummer-block and packing ring part adopt can self-lubricating graphitiferous tetrafluoroethylene.
2. a kind of microcrystal glass material according to claim 1 and use the manufacture method of the corrosion protection pump of this material, it is characterized in that: the corrosion protection pump primary structure of described this material of use is the flow passage components with corrosion protection pump, adopts microcrystal glass material to make as parts such as pump housing liner, sealing element, impeller, axle sleeve, pump case, mechanical sealing surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102006420A CN101367616A (en) | 2008-09-27 | 2008-09-27 | Crystallizing glass material and method for manufacturing corrosion protection pump using the material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102006420A CN101367616A (en) | 2008-09-27 | 2008-09-27 | Crystallizing glass material and method for manufacturing corrosion protection pump using the material |
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| CN101367616A true CN101367616A (en) | 2009-02-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838108A (en) * | 2010-04-22 | 2010-09-22 | 山西太钢不锈钢股份有限公司 | Method for recovery of stainless steel tailings and coal ash |
| CN103030280A (en) * | 2012-12-05 | 2013-04-10 | 毛庆云 | Microcrystalline glass taking albite as main material and preparation method thereof |
| CN103030281A (en) * | 2012-12-05 | 2013-04-10 | 毛庆云 | Microcrystalline glass containing tree ash and preparation method thereof |
-
2008
- 2008-09-27 CN CNA2008102006420A patent/CN101367616A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838108A (en) * | 2010-04-22 | 2010-09-22 | 山西太钢不锈钢股份有限公司 | Method for recovery of stainless steel tailings and coal ash |
| CN103030280A (en) * | 2012-12-05 | 2013-04-10 | 毛庆云 | Microcrystalline glass taking albite as main material and preparation method thereof |
| CN103030281A (en) * | 2012-12-05 | 2013-04-10 | 毛庆云 | Microcrystalline glass containing tree ash and preparation method thereof |
| CN103030280B (en) * | 2012-12-05 | 2016-04-06 | 毛庆云 | A kind of take albite as devitrified glass of major ingredient and preparation method thereof |
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Open date: 20090218 |