CN102889235B - A kind of high-temperature resistance plastice centrifugal pump - Google Patents
A kind of high-temperature resistance plastice centrifugal pump Download PDFInfo
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- CN102889235B CN102889235B CN201210412415.0A CN201210412415A CN102889235B CN 102889235 B CN102889235 B CN 102889235B CN 201210412415 A CN201210412415 A CN 201210412415A CN 102889235 B CN102889235 B CN 102889235B
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Abstract
A kind of high-temperature resistance plastice centrifugal pump, it mainly comprises the pump housing, impeller, pump cover, motor, refractory machinery seals parts and other appurtenances; Described refractory machinery seals parts are made up of stationary ring, rotating ring, spring seat, seal end plate, cooling jacket, acid-blocking piece; Described spring seat is fixed on impeller shaft, and spring seat outer surface is directly as sealing turning axle, and described spring seat is provided with spring and O-ring seals isolates aggressive medium and metalwork; Described cooling jacket is provided with cooling water nozzle and outside framework oil seal, and outside framework oil seal coordinates with spring seat and forms cooling water and seal; The described pump housing, impeller, pump cover form the flow passage components of pump, and adopt the compression molding of corrosion-and high-temp-resistant plastic warp to make respectively, comprise overall plastic and lining and mould structural type; It has rational in infrastructure compact, uses to install reliable, and plastics temperature distortion can be avoided the impact of the precision of mechanical seal, greatly to extend under its working life, ability high temperature strong corrosion environment the features such as permanently effective operation.
Description
Technical field
What the present invention relates to is a kind of high-temperature resistance plastice centrifugal pump, belongs to fluid machinery technical field.
Background technique
In existing market for the plastic centrifugal pump of high temperature strong corrosion environment mainly based on fluoroplastic centrifugal pump, the theoretical serviceability temperature of flow passage components reaches 180 °, but cooling Rinsing unit is not with in its usual single mechanical end face seal, service life is extremely of short duration, mostly below 4 weeks, have a strong impact on the normal use of pump, plastic centrifugal pump is caused to use under high temperature strong corrosion environment very limited, user has to adopt noble metal material pump to replace, even if so, still can not meet the use of some strong corrosive environments, centrifugal pump producer is designed with some easy mechanical sealing and refrigerating devices, install by position limitation, the irrationality of structural design, rotating ring is fixed on the axle of coating plastic, the distortion of plastics temperature influence is larger, when causing operation, cooling water and sealing medium are revealed very soon, do not reach sealing effect equally,
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, there is provided a kind of rational in infrastructure compact, use and install reliably, plastics temperature distortion can be avoided the impact of the precision of mechanical seal, greatly extend the high-temperature resistance plastice centrifugal pump of permanently effective operation under its working life, ability high temperature strong corrosion environment.
The object of the invention is to have come by following technical solution, it mainly comprises the pump housing, impeller, pump cover, motor, refractory machinery seals parts and other appurtenances; Described refractory machinery seals parts are made up of stationary ring, rotating ring, spring seat, seal end plate, cooling jacket, acid-blocking piece; Described spring seat is fixed on impeller shaft, and spring seat outer surface is directly as sealing turning axle, and described spring seat is provided with spring and O-ring seals isolates aggressive medium and metalwork; Described cooling jacket is provided with cooling water nozzle and outside framework oil seal, and outside framework oil seal coordinates with spring seat and forms cooling water and seal.
The described pump housing, impeller, pump cover form the flow passage components of pump, and adopt the compression molding of corrosion-and high-temp-resistant plastic warp to make respectively, comprise overall plastic and lining and mould structural type; Impeller adopts metal shaft and plastics to make one, and metal shaft partial denudation is also fixed with described spring seat; Described refractory machinery seals parts are also provided with the acid-blocking piece be fixed on impeller shaft.
Described impeller shaft is connected with motor shaft by joint member, described motor and be made up of the pump housing, impeller, pump cover that the flow passage components of pump are all horizontal to be arranged on a base, and forms connected type high-temperature resistant plastic centrifugal pump.
Described impeller shaft is connected with motor by tensioning connection device, is connected to an intermediate support, and forms direct-connected high-temperature resistance plastice centrifugal pump between described motor and the flow passage components being made up of pump the pump housing, impeller, pump cover.
The improvement of the present invention mainly in sealing system, can effective cooling mechanical seal, and prolonged mechanical is sealed in the working life in high temperature strong corrosion environment, reaches plastic pump long-term normal object run under high temperature strong corrosion environment.
The present invention is mainly in the design and installation improving rotating ring spring seat, it is directly fixed in metal shaft, it has rational in infrastructure compact, use and install reliably, plastics temperature distortion can be avoided the impact of the precision of mechanical seal, greatly extend the feature such as permanently effective operation under its working life, ability high temperature strong corrosion environment.
Accompanying drawing explanation
Fig. 1 is refractory machinery seals modular construction schematic diagram of the present invention.
Fig. 2 connected type high-temperature resistant plastic centrifugal pump of the present invention structural representation.
Fig. 3 direct-connected high-temperature resistance plastice centrifugal pump structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, and the present invention mainly comprises the pump housing 1, impeller 2, pump cover 3, motor 7, refractory machinery seals parts 4 and other appurtenances; Described refractory machinery seals parts are made up of stationary ring 4.3, rotating ring 4.4, spring seat 4.5, seal end plate 4.1, cooling jacket 4.2, acid-blocking piece 4.6; Described spring seat 4.5 is fixed on impeller shaft 2.1, and spring seat outer surface is directly as sealing turning axle, and described spring seat is provided with spring 4.9 and O-ring seals 4.8 isolates aggressive medium and metalwork; Described cooling jacket 4.2 is provided with cooling water nozzle 4.11 and outside framework oil seal 4.10, and outside framework oil seal coordinates with spring seat 4.5 and forms cooling water and seal.
The described pump housing 1, impeller 2, pump cover 3 form the flow passage components of pump, and adopt the compression molding of corrosion-and high-temp-resistant plastic warp to make respectively, comprise overall plastic and lining and mould structural type; Impeller 2 adopts metal shaft and plastics to make one, and metal shaft partial denudation is also fixed with described spring seat 4.5; Described refractory machinery seals parts are also provided with the acid-blocking piece 4.6 be fixed on impeller shaft 2.1.
Shown in composition graphs 2, described impeller shaft is connected with motor shaft by joint member 6, described motor 7 and be made up of the pump housing 1, impeller 2, pump cover 3 that the flow passage components of pump are all horizontal to be arranged on a base 8, and forms connected type high-temperature resistant plastic centrifugal pump.
Shown in composition graphs 3, described impeller shaft 2.1 is connected with motor 7 by tensioning connection device 9, between described motor 7 and the flow passage components being made up of pump the pump housing 1, impeller 2, pump cover 3, be connected to an intermediate support 10, and form direct-connected high-temperature resistance plastice centrifugal pump.
Embodiment: the present invention mainly comprises refractory machinery seals parts, the pump housing, impeller, pump cover, motor and other appurtenances composition; Described refractory machinery seals parts (see figure 1) band cooling water washing device, comprises the cooling jacket 4.2 being provided with cooling water nozzle 4.11 and outside framework oil seal 4.10; Described refractory machinery seals parts comprise spring seat 4.5 as water seal turning axle, accurately can be fixed on impeller shaft 2.1 metallic member, effectively ensure rotating accuracy, ensure that cooling water is not revealed; Comprise and utilize spring 4.9 and O-ring seals 4.8 to ensure seal face automatic note conjunction compensation, ensure the isolation of metal component corrosion medium, described refractory machinery seals parts can solve the problem that mechanical seal is easily revealed under long term high temperature runs continuously, can ensure pump permanently effective operation under high temperature corrosion condition; Described refractory machinery seals parts comprise the acid-blocking piece 4.6 be fixed on impeller shaft, and when ensureing that mechanical pump is revealed, protection bearing support or motor do not destroy by aggressive medium; Described high-temperature resistance plastice centrifugal pump complete machine structure can be made into base Connecting format (see figure 2) and motor direct-connected form (see figure 3), described high-temperature resistance plastice centrifugal pump body can be made into lining and moulds or other form of overall plastic form and mutual combined transformation, to adapt to different operating need for environment.
Embodiment 2: a kind of high-temperature resistance plastice centrifugal pump of the present invention, and it is divided into jointing type (as shown in Figure 2) and straight connection type (as shown in Figure 3); Jointing type is made up of the pump housing, pump cover, impeller, sealed member, bearing holder component, coupling, motor, base; Straight connection type is made up of the pump housing, pump cover, impeller, sealed member, intermediate support, motor, tensioning connection device; Two kinds of form flow passage components (pump housing, pump cover, impeller) and sealed member general, flow passage components adopt the compression molding of corrosion-and high-temp-resistant plastic warp, the pump housing can be made into overall plastic or serves as a contrast moulding formula, impeller adopts metal shaft and plastics to make one, metal shaft partial denudation is used for the assembling of mechanical seal, mechanical sealing parts (see figure 1), band cooling water washing device, design cooling jacket 4.2, described cooling jacket is designed with cooling water nozzle 4.11 and outside framework oil seal 4.10; Described refractory machinery seals part design has spring seat 4.5 to coordinate turning axle as outside framework oil seal 4.10, and described spring seat is fixed on impeller shaft 2.1 metallic member; Described spring seat is designed with refractory machinery seals part design described in spring 4.9 and O-ring seals 4.8 acid-blocking piece 4.6, and described acid-blocking piece is fixed on impeller shaft;
When pump runs under high temperature strong corrosion environment, the flow passage components energy media-resistant be made up of high-temperature corrosion resistance plastics is unlikely to destroy, the mechanical sealing linkage ring of particular design is arranged in metal shaft, effectively overcome the impact of temperature variation on mechanical seal installation precision, spring seat outer surface can ensure and the coordinating of outside framework oil seal as sealing turning axle, the Rinsing unit design of cooling jacket can rinse the heat that seal face takes away end-face friction generation, reach the object in prolonged mechanical sealing working life, enable pump permanently effective operation under high temperature strong corrosion environment.
Claims (3)
1. a high-temperature resistance plastice centrifugal pump, it mainly comprises the pump housing, impeller, pump cover, motor, refractory machinery seals parts and other appurtenances; It is characterized in that described refractory machinery seals parts are made up of stationary ring (4.3), rotating ring (4.4), spring seat (4.5), seal end plate (4.1), cooling jacket (4.2), acid-blocking piece (4.6); Described spring seat (4.5) is fixed on impeller shaft (2.1), and spring seat outer surface is directly as sealing turning axle, and described spring seat is provided with spring (4.9) and O-ring seals (4.8) isolates aggressive medium and metalwork; Described cooling jacket (4.2) is provided with cooling water nozzle (4.11) and outside framework oil seal (4.10), and outside framework oil seal coordinates with spring seat (4.5) and forms cooling water and seal;
The described pump housing, impeller, pump cover form the flow passage components of pump, and adopt the compression molding of corrosion-and high-temp-resistant plastic warp to make respectively, comprise overall plastic and lining and mould structural type; Impeller adopts metal shaft and plastics to make one, and metal shaft partial denudation is also fixed with described spring seat; Described refractory machinery seals parts are also provided with the acid-blocking piece (4.6) be fixed on impeller shaft.
2. high-temperature resistance plastice centrifugal pump according to claim 1, it is characterized in that described impeller shaft is connected with motor shaft by joint member (6), described motor and be made up of the pump housing, impeller, pump cover that the flow passage components of pump are all horizontal to be arranged on a base, and form connected type high-temperature resistant plastic centrifugal pump.
3. high-temperature resistance plastice centrifugal pump according to claim 1, it is characterized in that described impeller shaft is connected with motor by tensioning connection device, between described motor and the flow passage components being made up of pump the pump housing, impeller, pump cover, be connected to an intermediate support, and form direct-connected high-temperature resistance plastice centrifugal pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210412415.0A CN102889235B (en) | 2012-10-25 | 2012-10-25 | A kind of high-temperature resistance plastice centrifugal pump |
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| CN201210412415.0A CN102889235B (en) | 2012-10-25 | 2012-10-25 | A kind of high-temperature resistance plastice centrifugal pump |
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| CN102889235A CN102889235A (en) | 2013-01-23 |
| CN102889235B true CN102889235B (en) | 2015-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103573646A (en) * | 2013-10-31 | 2014-02-12 | 陈潜 | High-temperature-resistant light all-plastic slurry pump |
| CN103671210A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Horizontal split pump base |
| CN103671209A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Reinforced centrifugal pump base |
| CN104564773A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump shaft installing structure of eccentric pump with self-absorption structure |
| CN104632692A (en) * | 2014-12-24 | 2015-05-20 | 安徽南方化工泵业有限公司 | Sealing structure of self-priming structure centrifugal pump |
| CN104564826A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Pump body structure of eccentric pump with self-absorption structure |
| CN104564696A (en) * | 2014-12-24 | 2015-04-29 | 安徽南方化工泵业有限公司 | Eccentric pump with self-absorption structure |
| CN110552895A (en) * | 2019-10-12 | 2019-12-10 | 北京慨尔康科技发展有限公司 | Centrifugal pump |
| CN115430586A (en) * | 2022-08-19 | 2022-12-06 | 中交广州航道局有限公司 | Manufacturing process and application of high-pressure water pump shaft seal spring with anti-corrosion effect |
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| CN201310485Y (en) * | 2008-11-07 | 2009-09-16 | 华荣集团上海东耐管道有限公司 | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump |
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| CN202381389U (en) * | 2011-09-30 | 2012-08-15 | 杭州萧山美特轻工机械有限公司 | Chemical engineering process 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6929449B2 (en) * | 2003-04-25 | 2005-08-16 | Electro-Motive Diesel, Inc. | Diesel engine water pump with improved oil control |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310485Y (en) * | 2008-11-07 | 2009-09-16 | 华荣集团上海东耐管道有限公司 | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump |
| CN201474989U (en) * | 2009-08-19 | 2010-05-19 | 沈纪和 | High-temperature and high-pressure special pump |
| CN202381389U (en) * | 2011-09-30 | 2012-08-15 | 杭州萧山美特轻工机械有限公司 | Chemical engineering process 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 |
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