CN101418815A - Method for enhancing wear resistant and corrosion resistant performance of over current component of water pump - Google Patents
Method for enhancing wear resistant and corrosion resistant performance of over current component of water pump Download PDFInfo
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- CN101418815A CN101418815A CNA2008102376593A CN200810237659A CN101418815A CN 101418815 A CN101418815 A CN 101418815A CN A2008102376593 A CNA2008102376593 A CN A2008102376593A CN 200810237659 A CN200810237659 A CN 200810237659A CN 101418815 A CN101418815 A CN 101418815A
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Abstract
The invention provides an abrasion resistant and corrosion resisting method for water pump over-current components. The method comprises the following steps: (1) blank casting, (2) blank surface treatment, (3) glaze slip preparation, (4) enameling, and (5) firing after drying. In the step (3), the mass ratio of the main components of the frit for preparing the glaze slip is that: 40-60 of monox , 0.1-5 of alumina, 1- 10 of boron oxide, 0.1- 5 of potassium oxide, 6-17 of sodium oxide, 0.5-5 of lithium oxide, 1.5-7 of calcium fluoride, 2-6 of sodium fluosilicate, 1-10 of titanium oxide, and 0-2 of others. Relative to the mass of the frit, 5-6% of clay, 0-5% of quartz powder, 0.5-0.8% of boron sand, 0.2-0.3% of sodium nitrate, 2-5% of melanin, and 50-55% of water are added into the frit, and are put into a ball mill to grind to obtain the glaze slip in colloid state. The thickness of the enamel layer attached on the water pump over-current component after firing is between 300 and 700 mu m. The enamel layer is attached on the surface of the water pump over-current component, and has the characteristics of corrosion resistance, abrasion resistance, high pressure resistance, high temperature resistance, and smooth surface with no adhered materials.
Description
Technical field
The invention provides the wear-resistant corrosion resistant method of a kind of raising performance of over current component of water pump, belong to water pump manufacturing technology field.
Background technique
Diving slag stock pump; proof submersible sand discharging pump; the flame proof submersible pump; the mining discharge electric of submerged type contains solid particle or contains in the mordant liquid medium because of slipping into for a long time; more abominable to its flow passage components (pump housing and impeller) working environment; as the sandstone that contains of the slag stock pump extraction of diving under water; the medium of 30% particle such as slag mainly produces erosive wear to flow passage components; the medium that contains acidity or alkali ion that proof submersible sand discharging pump extracts mainly produces corrosive wear to flow passage components; the mill hole appears when serious; even pierce; cause diving slag stock pump; proof submersible sand discharging pump; the flame proof submersible pump; submerged type is mining discharge electric lift and efficient reduce, when serious even can not normally move.
People are carrying out unremitting effort to the wear-resistant decay resistance of performance of over current component of water pump always, have carried out many useful explorations and trial.As " the hardfacing recovery technique " that adopt from the nineties in last century to abrasion resistance alloy powder spraying technology, and some manufacturing firm adopts the wear resisting cast iron foundry engieering in recent years, make the surface hardness of flow passage components reach HRC40,55,60 respectively, on average improve friction durability about 50%, to having played certain promoting effect the working life that prolongs water pump.
There is following defective in the use of above-mentioned technology: the one, and surface overlaying, spraying or wear resisting cast iron casting, the cutting difficulty of material is big.The 2nd, only on abrasive resistance of metal material, make an issue of, and ignored the decay resistance of material therefor.The 3rd, the above-mentioned material costliness, complex process, most of user is difficult to carry out.
The manufacturing of water pump presses for a kind of wear resistance that can improve flow passage components on the common grey iron matrix can improve its corrosion proof technological method again, thereby improves the working life of water pump.
Summary of the invention
The object of the invention provides a kind ofly can overcome above-mentioned defective, can prolong the water pump wear-resistant corrosion resistant method of raising performance of over current component of water pump in working life.Its technological scheme is:
Corrosion resistant method that a kind of performance of over current component of water pump is wear-resistant, it is characterized in that adopting following steps: 1) rough-cast, 2) blank surface treatment, 3) preparation glaze slip, 4) application of slip, 5) fire after the drying and form, wherein in the step 3), the frit Main Ingredients and Appearance that the preparation glaze slip adopts is a silica 40～60 by mass ratio, aluminium oxide 0.1～5, boric oxide 1～10, potassium oxide 0.1～5, sodium oxide 6～17, lithia 0.5～5, calcirm-fluoride 1.5～7, prodan 2～6, titanium oxide 1～10, calcium oxide 0.5～6, other is 0～2 years old, other adds 5～6% clays of frit quality, 0～5% quartz flour, 0.5～0.8% borax, 0.2～0.3% natrium nitrosum, 2～5% melanin and 50～55% water, put into pebble mill together, grinding makes the glaze slip that obtains present colloidal state and is glaze slip, fire the back attached to the enamel layer thickness on the performance of over current component of water pump between 300～700 μ m.
Corrosion resistant method that described performance of over current component of water pump is wear-resistant makes blank by coremaking, moulding, melting, cast, cleaning casting process in the step 1) successively.
Described performance of over current component of water pump is wear-resistant corrosion resistant method, step 2) the blank surface treatment procedure comprises annealing, sandblast, makes it satisfy the condition of enamel.
Corrosion resistant method that described performance of over current component of water pump is wear-resistant, the application of slip is a wet-process enamelling in the step 4), adopts infusion process or sprays in the method any one.
Corrosion resistant method that described performance of over current component of water pump is wear-resistant, generally between 740 ℃～850 ℃, the time is between 10～25min for the firing temperature of once-firing in the step 5).
The present invention compared with prior art; its advantage is; the enamel performance of over current component of water pump has the mechanical strength of metal base on the whole; and the enamel layer of forming with the inorganic matter composition improves surface quality; the protective money metal surface has not characteristics such as adhered materials of corrosion-resistant, wear-resistant, high pressure resistant, high temperature resistant, smooth surface.
The characteristic of enamel performance of over current component of water pump:
1, wear resistance: enamel glaze maximum hardness is HV752, is 1.65 times of Tungsten carbite, is 1.5 times of chilled cast iron.It is that the colliery powder of 27m/s washes away 260h that the enamel test specimen is placed flow velocity, its fixing frame heavy wear, and the enamel test specimen does not have obvious cut, the ceramic glaze surface wearing and tearing only are 0.016mg/cm
2
2, acid resistance: the enamel test specimen soaks 72h in 8% sulfuric acid solution after, its surface glaze layer does not have significant change, no etch pit point, and weight-loss ratio is Δ G≤0.014mg/cm
2
3, alkali resistance: the enamel test specimen soaks in 4% sodium hydroxide solution and boils 6h, and its glaze does not have significant change, no etch pit point.Weight-loss ratio is Δ G≤0.036mg/cm
2
4, anti-rapid heat cycle burst: when the enamel test specimen is heated to 300 ℃, takes out and put into cold water immediately and cool off, repetition test 100 times, ceramic glaze surface do not have the porcelain of taking off, chap, stick up the skin phenomenon;
5, Economy and technological flexibility: the wearing piece base material that is used for surperficial enamel is generally HT200, average price is than antifriction cast iron low 280%, use the comprehensive cost of enamel technology on average to reduce by 70%, and the accommodation of performance of over current component of water pump is reached more than 90% than existing wear-proof technique (Tungsten carbite spraying, wear resisting cast iron etc.).
Embodiment
Embodiment 1:
1, rough-cast:, its chemical composition is reached through operations such as coremaking, moulding, melting, cast, cleaning casting performance of over current component of water pump blank: C:2.9～3.5%, Si:2.3～2.7%, Mn:0.5～1.0%, S :≤0.1, P :≤0.14.
2, blank surface treatment: the performance of over current component of water pump blank after will clearing up carries out sand blast, and the matrix that obtains suitable enamel is newly surperficial.
3, preparation glaze slip: the mass percent that frit is formed be silica 40, aluminium oxide 4, boric oxide 8, potassium oxide 4, sodium oxide 10, lithia 4, calcirm-fluoride 5, prodan 5, titanium oxide 7, calcium oxide 4, other 0.5, other adds 5% clay, 2% quartz flour, 0.5% borax, 0.2% natrium nitrosum, 2% melanin and 50% water of frit quality, put into pebble mill together, grinding makes the glaze slip that obtains present colloidal state and is glaze slip, glaze slip fineness: 1.0g/150 order .100ml, glaze slip proportion: 160/100ml.
4, wet-process enamelling: adopt perfusion, make the enamel layer THICKNESS CONTROL at 300 μ m.
5, drying: will adopt performance of over current component of water pump blank after the perfusion application of slip at 150 ℃ of oven dry 30min, its enamel layer moisture is evaporated fully.
6, burn till: the performance of over current component of water pump blank after will drying is put into firing furnace, fires 20 minutes at 750 ℃, promptly gets wear-resistant corrosion-resistant performance of over current component of water pump.
Embodiment 2:
1, rough-cast:, its chemical composition is reached through operations such as coremaking, moulding, melting, cast, cleaning casting performance of over current component of water pump blank: C:2.9～3.5%, Si:2.3～2.7%, Mn:0.5～1.0%, S :≤0.1, P :≤0.14.
2, blank surface treatment: the performance of over current component of water pump blank after will clearing up carries out sand blast, and the matrix that obtains suitable enamel is newly surperficial.
3, preparation glaze slip: the mass percent that frit is formed be silica 50, aluminium oxide 0.2, boric oxide 2, potassium oxide 3, sodium oxide 6, lithia 2, calcirm-fluoride 3, prodan 2, titanium oxide 3, calcium oxide 1, other 1, other adds 6% clay, 3% quartz flour, 0.7% borax, 0.2% natrium nitrosum, 3% melanin and 52% water of frit quality, put into pebble mill together, grinding makes the glaze slip that obtains present colloidal state and is glaze slip, glaze slip fineness: 1.0g/150 order .100ml, glaze slip proportion: 160/100ml.
4, wet-process enamelling: adopt perfusion, make the enamel layer THICKNESS CONTROL at 500 μ m.
5, drying: will adopt performance of over current component of water pump blank after the perfusion application of slip at 180 ℃ of oven dry 30min, its enamel layer moisture is evaporated fully.
6, burn till: the performance of over current component of water pump blank after will drying is put into firing furnace, fires 15 minutes at 750 ℃, promptly gets wear-resistant corrosion-resistant performance of over current component of water pump.
Embodiment 3:
1, rough-cast:, its chemical composition is reached through operations such as coremaking, moulding, melting, cast, cleaning casting performance of over current component of water pump blank: C:2.9～3.5%, Si:2.3～2.7%, Mn:0.5～1.0%, S :≤0.1, P :≤0.14.
2, blank surface treatment: the performance of over current component of water pump blank after will clearing up carries out sand blast, and the matrix that obtains suitable enamel is newly surperficial.
3, preparation glaze slip: the mass percent that frit is formed be silica 60, aluminium oxide 3, boric oxide 5, potassium oxide 5, sodium oxide 15, lithia 5, calcirm-fluoride 7, prodan 4, titanium oxide 10, calcium oxide 6, other 0.5, other adds 4% clay, 5% quartz flour, 0.3% borax, 0.3% natrium nitrosum, 5% melanin and 55% water of frit quality, put into pebble mill together, grinding makes the glaze slip that obtains present colloidal state and is glaze slip, glaze slip fineness: 1.0g/150 order .100ml, glaze slip proportion: 160/100ml.
4, wet-process enamelling: adopt perfusion, make the enamel layer THICKNESS CONTROL at 700 μ m.
5, drying: will adopt performance of over current component of water pump blank after the perfusion application of slip at 200 ℃ of oven dry 30min, its enamel layer moisture is evaporated fully.
6, burn till: the performance of over current component of water pump blank after will drying is put into firing furnace, fires 25 minutes at 750 ℃, promptly gets wear-resistant corrosion-resistant performance of over current component of water pump.
Claims (5)
1, corrosion resistant method that a kind of performance of over current component of water pump is wear-resistant, it is characterized in that adopting following steps: 1) rough-cast, 2) blank surface treatment, 3) preparation glaze slip, 4) application of slip, 5) fire after the drying and form, wherein in the step 3), the frit Main Ingredients and Appearance that the preparation glaze slip adopts is a silica 40～60 by mass ratio, aluminium oxide 0.1～5, boric oxide 1～10, potassium oxide 0.1～5, sodium oxide 6～17, lithia 0.5～5, calcirm-fluoride 1.5～7, prodan 2～6, titanium oxide 1～10, calcium oxide 0.5～6, other is 0～2 years old, other adds 5～6% clays of frit quality, 0～5% quartz flour, 0.5～0.8% borax, 0.2～0.3% natrium nitrosum, 2～5% melanin and 50～55% water, put into pebble mill together, grinding makes the glaze slip that obtains present colloidal state and is glaze slip, fire the back attached to the enamel layer thickness on the performance of over current component of water pump between 300～700 μ m.
2, the wear-resistant corrosion resistant method of performance of over current component of water pump as claimed in claim 1 is characterized in that: make blank by coremaking, moulding, melting, cast, cleaning casting process successively in the step 1).
3, the wear-resistant corrosion resistant method of performance of over current component of water pump as claimed in claim 1 is characterized in that: step 2) the blank surface treatment procedure comprises annealing, sandblast, makes it satisfy the condition of enamel.
4, the wear-resistant corrosion resistant method of performance of over current component of water pump as claimed in claim 1 is characterized in that: the application of slip is a wet-process enamelling in the step 4), adopts infusion process or sprays in the method any one.
5, the wear-resistant corrosion resistant method of performance of over current component of water pump as claimed in claim 1 is characterized in that: generally between 740 ℃～850 ℃, the time is between 10～25min for the firing temperature of once-firing in the step 5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102376593A CN101418815A (en) | 2008-11-29 | 2008-11-29 | Method for enhancing wear resistant and corrosion resistant performance of over current component of water pump |
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| CNA2008102376593A CN101418815A (en) | 2008-11-29 | 2008-11-29 | Method for enhancing wear resistant and corrosion resistant performance of over current component of water pump |
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| CN101418815A true CN101418815A (en) | 2009-04-29 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011597A (en) * | 2012-12-18 | 2013-04-03 | 龙门协成新材料有限公司 | High-performance enamel glaze |
| CN106346191A (en) * | 2016-11-17 | 2017-01-25 | 无锡明盛纺织机械有限公司 | Repairing technology for flow passage component of slurry pump |
| CN106521499A (en) * | 2016-10-27 | 2017-03-22 | 谢荣波 | Manufacturing process of enamel water supply and gas supply pipe |
| CN106624590A (en) * | 2016-11-18 | 2017-05-10 | 无锡明盛纺织机械有限公司 | Slurry pump flow passage component repairing technology |
| CN108249762A (en) * | 2018-03-23 | 2018-07-06 | 深圳市金合联供应链技术有限公司 | A kind of grate high acid-proof cast iron Enamel Slip and preparation method thereof |
| CN108821587A (en) * | 2018-08-14 | 2018-11-16 | 南京双峰油泵油嘴有限公司 | A kind of cast iron industrial enamel formula and technique |
| CN109604936A (en) * | 2018-11-09 | 2019-04-12 | 宁波巨化化工科技有限公司 | A method of improving the Double-casing liquid chlorine magnetic drive pump cycle of operation |
| TWI668326B (en) * | 2017-09-04 | 2019-08-11 | 陳鈺蓁 | Anti-rust treatment method for female connector and male connector of rust-proof steel bar splicer |
| CN113832406A (en) * | 2021-10-27 | 2021-12-24 | 广东捷威家居发展有限公司 | Corrosion-resistant enamel material and preparation method thereof |
| CN114656153A (en) * | 2022-01-14 | 2022-06-24 | 格力电器（武汉）有限公司 | Glass powder preparation method, glaze slip preparation method and enamel product |
-
2008
- 2008-11-29 CN CNA2008102376593A patent/CN101418815A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011597B (en) * | 2012-12-18 | 2015-04-29 | 龙门协成新材料有限公司 | High-performance enamel glaze |
| CN103011597A (en) * | 2012-12-18 | 2013-04-03 | 龙门协成新材料有限公司 | High-performance enamel glaze |
| CN106521499A (en) * | 2016-10-27 | 2017-03-22 | 谢荣波 | Manufacturing process of enamel water supply and gas supply pipe |
| CN106346191A (en) * | 2016-11-17 | 2017-01-25 | 无锡明盛纺织机械有限公司 | Repairing technology for flow passage component of slurry pump |
| CN106624590A (en) * | 2016-11-18 | 2017-05-10 | 无锡明盛纺织机械有限公司 | Slurry pump flow passage component repairing technology |
| TWI668326B (en) * | 2017-09-04 | 2019-08-11 | 陳鈺蓁 | Anti-rust treatment method for female connector and male connector of rust-proof steel bar splicer |
| CN108249762A (en) * | 2018-03-23 | 2018-07-06 | 深圳市金合联供应链技术有限公司 | A kind of grate high acid-proof cast iron Enamel Slip and preparation method thereof |
| CN108821587A (en) * | 2018-08-14 | 2018-11-16 | 南京双峰油泵油嘴有限公司 | A kind of cast iron industrial enamel formula and technique |
| CN108821587B (en) * | 2018-08-14 | 2021-10-15 | 南京双峰油泵油嘴有限公司 | Formula and process of industrial enamel for cast iron |
| CN109604936A (en) * | 2018-11-09 | 2019-04-12 | 宁波巨化化工科技有限公司 | A method of improving the Double-casing liquid chlorine magnetic drive pump cycle of operation |
| CN109604936B (en) * | 2018-11-09 | 2020-06-16 | 宁波巨化化工科技有限公司 | Method for prolonging operation period of double-shell liquid chlorine magnetic pump |
| CN113832406A (en) * | 2021-10-27 | 2021-12-24 | 广东捷威家居发展有限公司 | Corrosion-resistant enamel material and preparation method thereof |
| CN113832406B (en) * | 2021-10-27 | 2022-05-06 | 广东捷威家居发展有限公司 | Corrosion-resistant enamel material and preparation method thereof |
| CN114656153A (en) * | 2022-01-14 | 2022-06-24 | 格力电器（武汉）有限公司 | Glass powder preparation method, glaze slip preparation method and enamel product |
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Open date: 20090429 |