CN103527492A - Novel two-stage impeller ceramic pump - Google Patents
Novel two-stage impeller ceramic pump Download PDFInfo
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- CN103527492A CN103527492A CN201310184890.1A CN201310184890A CN103527492A CN 103527492 A CN103527492 A CN 103527492A CN 201310184890 A CN201310184890 A CN 201310184890A CN 103527492 A CN103527492 A CN 103527492A
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Abstract
The invention provides a novel two-stage impeller ceramic pump mainly suitable for slurry transportation. The novel two-stage impeller ceramic pump is characterized in that ceramic materials replace original metal flow passage components, the design of the flow passage components is optimized, fluid sequentially flows through an inlet section, a shaft sealing section, a shaft sleeve, a first-stage impeller, a radial guide vane, a last-stage impeller and a spiral housing. An end cover comprises eight components. The whole pump is compact in structure. The shaft sealing section is arranged in a low pressure area, three sets of fluororubber framework is adopted for oil sealing, and an cooling water nozzle is designed. The ceramic materials are wrapped by a metal case, and cement fills the portion between the metal case and ceramic flow passage components for support and heat insulation.
Description
Affiliated technical field
The present invention is a kind of novel both stage impellers ceramicpump, and stupalith is applied to flow passage components in pump, based on the wear-resisting frangible feature of stupalith, has redesigned pump structure, and all and parts fluid contact all adopt stupalith, belong to the design of universal machine.
Background technique
Ceramicpump is mainly applicable to slurry and carries, and can be widely used in mine, and the industries such as electric power, metallurgy, coal, environmental protection are carried the slurry that contains abrasion solid particle.As technics of metallurgy mineral dressing factory pulp conveying, thermal power plant's hydraulic(-ash) sluicing, coal washery coal slurry and dense medium are carried, river training, river desilting etc.At chemical industry, the corrosivity slurry that also can carry some to contain crystallization.Due to the special physicochemical properties of pumped medium, in the middle of pumping procedure, medium can cause serious wearing and tearing or corrosion to the flow passage components of pump, thereby can increase accordingly user's operation and maintenance cost.
Summary of the invention
Stupalith has corrosion-resistant, anti abrasive good characteristic, and in view of perishable, the easy to wear shortcoming of traditional slurry transfer pump, the present invention is a kind of novel both stage impellers ceramicpump.The outside of pump is cast iron materials shell, inner flow passage components all adopt stupalith manufacture, for the ease of manufacturing, flow passage components are divided into following components: inducer, shaft seal section, axle sleeve, semi-open type first stage impeller, diffuser, semi-open type impeller, volute casing, end cap.Between pottery flow passage components and pump, with cement, fill, on the one hand volute casing is had to good support, to extenuate the impact of fluid to volute casing, strengthen integrally-built intensity, also play in addition heat insulation effect.Because the friction of shaft seal section is comparatively serious, heating value is larger, therefore four cooling water nozzles of seal cage circumference uniform distribution in the middle of fluorine rubber outside framework oil seal, guarantee the cooling and lubrication of shaft seal, the layout of seal ring is referring to accompanying drawing, and the o-ring groove adopting in opposite directions arrangement can reach good seal request.The main shaft of impeller adopts metallic material, and guaranteeing has enough intensity and impact toughness.Medium enters in the pump housing from the import of pump housing side, first enters first stage impeller, after first stage impeller pressurization, flows into diffuser, after diffuser rectification, enters impeller, and after impeller pressurization, fluid finally flows out from volute casing outlet.In whole pumping procedure, the parts that directly contact with medium are stupalith manufacturing.
This two stage pump is than traditional slurry transfer pump, more compact in overall structure; The flow passage components of the stupalith adopting make this pump can pumping not only containing solid particle, fluid but also there is the medium of severe corrosive; The shaft seal of design can access good lubricating with cooling, and seal ring is difficult for burning because of friction, and shaft seal is in low pressure area.
Accompanying drawing explanation
By reference to the accompanying drawings the internal structure of invented pump is elaborated.Between the both stage impellers of traditional two stage pump, the transmission of fluid is to connect by external pipe, and volume is larger, and consumptive material is many, and efficiency is low, and structure is not compact.
In the present invention, the transmission of the fluid between both stage impellers is the front and back guide blade through diffuser, and diffuser not only has the effect of water conservancy diversion, can also eliminate a part of inner vortex, improves the internal flow efficiency of pump.
What accompanying drawing 1 represented is the main sectional view of pump in the present invention.The part that wherein marked is structure of the present invention: 1, and cement packing 2, end cap 3, metal shell 4, volute casing 5, final stage half-opened impeller 6, stator 7, chopped-off head half-opened impeller 8, pump inlet section 9, shaft seal section 10, fluorine rubber outside framework oil seal 11, cooling water nozzle 12, axle sleeve 13, viton gasket
Accompanying drawing 2 shows for the partial enlarged drawing of pump internal structure
Embodiment
The appropriate design of inner flow passage components, makes it to be easy to manufacture processing, and wherein, 1 what represent is cement packing, for filling the gap between volute casing and the pump housing.2, end cap, 3, metal shell, 4, volute casing, 5, final stage half-opened impeller, 6, stator, 7, the half-open impeller of chopped-off head, 8, pump inlet section, 12, axle sleeve, are all the flow passage components that adopt stupalith to manufacture separately.10 what represent is fluorine rubber outside framework oil seal, in the process of assembling, adopt graphic technique, nearly back-to-back two cover outside framework oil seals that are equipped with of impeller side wherein, centre is provided with seal cage, a set of outside framework oil seal is housed between seal cage and bearing, can realizes good cooling and lubrication effect.11 what represent is cooling water nozzle, and four cooling water nozzles are along the circumferential direction uniformly distributed in shaft seal place, seal ring are played to the effect of good Cooling and Lubricator.13 what represent is viton gasket, adopts such packing ring in the middle of the contact between flow passage components, avoids metal main shaft to be corroded.In the assembly process of pump, as shown in Figure 1, the Assembly part of turning left from the right side, successively by shaft seal section, inducer, axle sleeve, first stage impeller, diffuser, axle sleeve, impeller, volute casing, pump end cap assembles, and wherein cooling water nozzle is along the circumferential direction assemblied in shaft seal section, ceramic part intersection adopt fluororubber pad pad every, avoid rigidity contact, after each parts all assemble, with cement, fill the gap between flow passage components and metal shell, on the one hand flow passage components are had to good support, alleviate the impact of fluid to flow passage components; Can play on the other hand the heat insulation effect of vibration damping.
Claims (1)
1. the present invention is a kind of novel both stage impellers ceramicpump, stupalith is applied to the inner flow passage components of pump, thereby effectively avoided in conventional construction pump metallic material flow passage components directly with containing solid particle, even there is the fluid contact of severe corrosive, thereby in the working life that increases pump, this invention is mainly used in slurry transfer pump.The characteristic feature of this novel both stage impellers ceramicpump is: influent stream mode is doggy style, the stupalith flow passage components of slurry process are followed successively by: inducer, shaft seal section, axle sleeve, chopped-off head half-opened impeller, stator, final stage half-opened impeller, volute casing, end cap totally eight critical pieces radially, these eight ceramic components are all placed in metal shell, and in the gap of metal shell and ceramic component, have filled cement and carried out heat insulation and noise reduction; Adopt three cover fluorine rubber outside framework oil seals as import shaft seal, nearly back-to-back two cover outside framework oil seals that are equipped with of impeller side wherein, centre is provided with seal cage, and a set of outside framework oil seal towards seal cage is housed between seal cage and bearing, and the external clear water of cooling water nozzle enters cooling and lubricating outside framework oil seal from seal cage.
Priority Applications (1)
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CN201310184890.1A CN103527492A (en) | 2013-05-08 | 2013-05-08 | Novel two-stage impeller ceramic pump |
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CN201310184890.1A CN103527492A (en) | 2013-05-08 | 2013-05-08 | Novel two-stage impeller ceramic pump |
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CN103527492A true CN103527492A (en) | 2014-01-22 |
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CN201310184890.1A Pending CN103527492A (en) | 2013-05-08 | 2013-05-08 | Novel two-stage impeller ceramic pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134610A (en) * | 2015-08-20 | 2015-12-09 | 鸿浩泵业有限公司 | Efficient low-speed anti-corrosion and anti-abrasion pump |
CN111536049A (en) * | 2020-05-22 | 2020-08-14 | 江西斯米克陶瓷有限公司 | Conveying device for ceramic product production |
Citations (8)
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US5306124A (en) * | 1993-03-24 | 1994-04-26 | Laibe Supply Corporation | Slurry pump and seal system |
CN2599290Y (en) * | 2002-11-13 | 2004-01-14 | 烟台东港耐腐蚀泵有限公司 | Auxiliary sealing device for pump |
CN201159194Y (en) * | 2007-02-08 | 2008-12-03 | 运城市盐湖区西城新特防腐耐磨表面工程技术中心 | Steel plastic ceramic composite corrosion-proof centrifugal pump |
CN201521454U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Vertical self-priming pump |
CN201787067U (en) * | 2010-06-01 | 2011-04-06 | 杭州发达齿轮箱集团有限公司 | Combined sealing mechanism used for underwater pump power synthesizing gearbox |
CN202732360U (en) * | 2012-09-11 | 2013-02-13 | 本溪市铸兴泵业有限公司 | Novel slurry pump |
CN202811527U (en) * | 2012-09-13 | 2013-03-20 | 芜湖长江泵业有限公司 | Suction-type centrifugal pump |
CN202867324U (en) * | 2012-10-25 | 2013-04-10 | 杭州新安江工业泵有限公司 | High-temperature-resisting plastic centrifugal pump |
-
2013
- 2013-05-08 CN CN201310184890.1A patent/CN103527492A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5306124A (en) * | 1993-03-24 | 1994-04-26 | Laibe Supply Corporation | Slurry pump and seal system |
CN2599290Y (en) * | 2002-11-13 | 2004-01-14 | 烟台东港耐腐蚀泵有限公司 | Auxiliary sealing device for pump |
CN201159194Y (en) * | 2007-02-08 | 2008-12-03 | 运城市盐湖区西城新特防腐耐磨表面工程技术中心 | Steel plastic ceramic composite corrosion-proof centrifugal pump |
CN201521454U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Vertical self-priming pump |
CN201787067U (en) * | 2010-06-01 | 2011-04-06 | 杭州发达齿轮箱集团有限公司 | Combined sealing mechanism used for underwater pump power synthesizing gearbox |
CN202732360U (en) * | 2012-09-11 | 2013-02-13 | 本溪市铸兴泵业有限公司 | Novel slurry pump |
CN202811527U (en) * | 2012-09-13 | 2013-03-20 | 芜湖长江泵业有限公司 | Suction-type centrifugal pump |
CN202867324U (en) * | 2012-10-25 | 2013-04-10 | 杭州新安江工业泵有限公司 | High-temperature-resisting plastic centrifugal pump |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134610A (en) * | 2015-08-20 | 2015-12-09 | 鸿浩泵业有限公司 | Efficient low-speed anti-corrosion and anti-abrasion pump |
CN111536049A (en) * | 2020-05-22 | 2020-08-14 | 江西斯米克陶瓷有限公司 | Conveying device for ceramic product production |
CN111536049B (en) * | 2020-05-22 | 2021-06-25 | 江西斯米克陶瓷有限公司 | Conveying device for ceramic product production |
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Application publication date: 20140122 |