CN102889235A - High-temperature resistance plastics centrifugal pump - Google Patents
High-temperature resistance plastics centrifugal pump Download PDFInfo
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- CN102889235A CN102889235A CN2012104124150A CN201210412415A CN102889235A CN 102889235 A CN102889235 A CN 102889235A CN 2012104124150 A CN2012104124150 A CN 2012104124150A CN 201210412415 A CN201210412415 A CN 201210412415A CN 102889235 A CN102889235 A CN 102889235A
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- pump
- impeller
- spring seat
- temperature resistance
- cooling water
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Abstract
The invention relates to a high-temperature resistance plastics centrifugal pump, which comprises a pump body, an impeller, a pump cover, a motor, a thermostability mechanical seal component and other attached components, wherein the thermostability mechanical seal component is composed of a static ring, a moving ring, a spring seat, a static ring gland, a cooling water jacket and an acid-blocking piece; the spring seat is fixed on an impeller shaft; the outer surface of the spring seat is directly taken as a seal rotating shaft; the spring seat is provided with a spring and an O-shaped seal ring which is used for separating corrosive medium from metal pieces; the cooling water jacket is provided with a cooling water nozzle and a framework oil seal; the framework is matched with the spring seat to form the cooling water seal; the pump body, impeller and pump cover form a flow passage component of the pump, are respectively made of thermostability corrosion-resisting plastic through compression molding and comprise all-plastic and pump cover structure forms. The pump has the characteristics of being reasonable and compact in structure, reliable to mount and use, can avoid the influence on the precision of mechanical sealing by the deformation of plastics due to heating, greatly prolong the service life, can resist high temperature and effectively operate in strong corrosion environment for a long time and the like.
Description
Technical field
What the present invention relates to is a kind of high-temperature resistance plastice centrifugal pump, belongs to the fluid machinery technical field.
Background technique
Be used for the plastic centrifugal pump of high temperature strong corrosion environment in the existing market mainly take the fluoroplastic centrifugal pump as main, the theoretical serviceability temperature of flow passage components reaches 180 °, but the cooling Rinsing unit is not with in the single mechanical end face seal of its common usefulness, service life is extremely of short duration, mostly below 4 weeks, had a strong impact on the normal use of pump, it is very limited to cause plastic centrifugal pump to use under the high temperature strong corrosion environment, the user has to adopt noble metal material pump to replace, even if so, still can not satisfy the use of some strong corrosive environments, centrifugal pump producer is designed with some easy mechanical sealing and refrigerating devices, install and be subjected to position limitation, the irrationality of structural design, rotating ring are fixed on the axle of coating plastic, and the distortion of plastics temperature influence is larger, cooling water and the very fast leakage of sealing medium do not reach sealing effect equally when causing operation;
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, a kind of compactness rational in infrastructure is provided, use and install reliably, can avoid the plastics temperature distortion on the impact of the precision of mechanical seal, greatly prolong its working life, the high-temperature resistance plastice centrifugal pump of permanently effective operation under the ability high temperature strong corrosion environment.
The objective of the invention is to finish 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 comprised of stationary ring, rotating ring, spring seat, seal end plate, cooling jacket, acid-blocking piece; Described spring seat is fixed on the impeller shaft, and the spring seat outer surface is directly as the sealing turning axle, and described spring seat is provided with spring and O-ring seals isolation aggressive medium and metalwork; Described cooling jacket is equipped with cooling water nozzle and outside framework oil seal, and outside framework oil seal cooperates the sealing of formation cooling water with spring seat.
The described pump housing, impeller, pump cover consist of the flow passage components of pump, and adopt respectively the compression molding of corrosion-and high-temp-resistant plastic warp to make, and comprise overall plastic and lining is moulded structural type; Impeller adopts metal shaft and plastics to be integral, and metal shaft is partly exposed and is fixed with described spring seat; Described refractory machinery seals parts also are provided with the acid-blocking piece that is fixed on the impeller shaft.
Described impeller shaft is connected with motor shaft by the coupling parts, and described motor and the flow passage components that consist of pump by the pump housing, impeller, pump cover are horizontal being installed on the base all, and formation connected type high-temperature resistant plastic centrifugal pump.
Described impeller shaft links to each other with motor by tensioning connection device, at described motor and be made of the pump housing, impeller, pump cover between the flow passage components of pump and be connected to an intermediate support, and consists of direct-connected high-temperature resistance plastice centrifugal pump.
The present invention mainly is the improvement on sealing system, can effective cooling mechanical seal, and prolonged mechanical is sealed in the working life in the high temperature strong corrosion environment, reaches the purpose of plastic pump long-term normal operation under the high temperature strong corrosion environment.
The present invention mainly is in the design and installation that improve the rotating ring spring seat, directly be fixed on it on metal shaft, it has compactness rational in infrastructure, use and install reliably, can avoid the plastics temperature distortion on the impact of the precision of mechanical seal, greatly prolong its working life, the characteristics such as permanently effective operation under the ability high temperature strong corrosion environment.
Description of drawings
Fig. 1 is refractory machinery seals modular construction schematic representation 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 representation of the present invention.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing: shown in Figure 1, 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 comprised 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 the impeller shaft 2.1, and the spring seat outer surface is directly as the sealing turning axle, and described spring seat is provided with spring 4.9 and O-ring seals 4.8 isolation aggressive medium and metalworks; Described cooling jacket 4.2 is equipped with cooling water nozzle 4.11 and outside framework oil seal 4.10, and outside framework oil seal cooperates the sealing of formation cooling water with spring seat 4.5.
The described pump housing 1, impeller 2, pump cover 3 consists of the flow passage components of pumps, and adopts respectively the compression molding of corrosion-and high-temp-resistant plastic warp to make, and comprises overall plastic and lining is moulded structural type; Impeller 2 adopts metal shaft and plastics to be integral, and metal shaft is partly exposed and is fixed with described spring seat 4.5; Described refractory machinery seals parts also are provided with the acid-blocking piece 4.6 that is fixed on the impeller shaft 2.1.
In conjunction with shown in Figure 2, described impeller shaft is connected with motor shaft by coupling parts 6, and described motor 7 and the flow passage components that consist of pump by the pump housing 1, impeller 2, pump cover 3 are horizontal being installed on the base 8 all, and formation connected type high-temperature resistant plastic centrifugal pump.
In conjunction with shown in Figure 3, described impeller shaft 2.1 links to each other with motor 7 by tensioning connection device 9, at described motor 7 and consisted of by the pump housing 1, impeller 2, pump cover 3 between the flow passage components of pump and be connected to an intermediate support 10, and consist of direct-connected high-temperature resistance plastice centrifugal pump.
Embodiment: the present invention comprises that mainly refractory machinery seals parts, the pump housing, impeller, pump cover, motor and other appurtenances form; Described refractory machinery seals parts (see figure 1) band cooling water washing device comprises the cooling jacket 4.2 that is 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 the water seal turning axle, can accurately be fixed on the impeller shaft 2.1 metals part, effectively guarantee rotating accuracy, and the assurance cooling water is not revealed; Comprise and utilize spring 4.9 and O-ring seals 4.8 to guarantee that the automatic note of seal face closes compensation, guarantee the isolation of metal component corrosion medium, described refractory machinery seals parts can solve the problem that mechanical seal is revealed easily under long term high temperature moves continuously, can ensure pump permanently effective operation under the high temperature corrosion condition; Described refractory machinery seals parts comprise the acid-blocking piece 4.6 that is fixed on the impeller shaft, guarantee to protect when mechanical pump is revealed bearing support or motor not destroyed 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 that lining is moulded or overall plastic form and mutual other form of combined transformation, to adapt to the 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 comprised of the pump housing, pump cover, impeller, sealed member, bearing holder component, coupling, motor, base; Straight connection type is comprised 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 are 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 be integral, metal shaft is the exposed assembling that is used for mechanical seal partly, mechanical seal 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 cooperate turning axle as outside framework oil seal 4.10, and described spring seat is fixed on the impeller shaft 2.1 metals part; Described spring seat is designed with spring 4.9 and O-ring seals 4.8 described refractory machinery seals part designs have acid-blocking piece 4.6, and described acid-blocking piece is fixed on the impeller shaft;
When pump moves under the high temperature strong corrosion environment, the flow passage components of being made by the high-temperature corrosion resistance plastics can be unlikely to destroy by media-resistant, the mechanical sealing linkage ring of particular design is installed on the metal shaft, effectively overcome temperature variation to the impact of mechanical seal installation precision, the spring seat outer surface can guarantee and the cooperating of outside framework oil seal as the sealing turning axle, the Rinsing unit design of cooling jacket can be washed seal face and be taken away the heat that end-face friction produces, reach the prolonged mechanical sealing purpose in working life, make the pump can permanently effective operation under the high temperature strong corrosion environment.
Claims (4)
1. 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 comprised 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 the impeller shaft (2.1), and the spring seat outer surface is directly as the sealing turning axle, and described spring seat is provided with spring (4.9) and O-ring seals (4.8) isolation aggressive medium and metalwork; Described cooling jacket (4.2) is equipped with cooling water nozzle (4.11) and outside framework oil seal (4.10), and outside framework oil seal cooperates the sealing of formation cooling water with spring seat (4.5).
2. high-temperature resistance plastice centrifugal pump according to claim 1 is characterized in that the described pump housing, impeller, pump cover consist of the flow passage components of pump, and adopts respectively the compression molding of corrosion-and high-temp-resistant plastic warp to make, and comprises overall plastic and lining is moulded structural type; Impeller adopts metal shaft and plastics to be integral, and metal shaft is partly exposed and is fixed with described spring seat; Described refractory machinery seals parts also are provided with the acid-blocking piece (4.6) that is fixed on the impeller shaft.
3. described described high-temperature resistance plastice centrifugal pump according to claim 1 and 2, it is characterized in that described impeller shaft is connected with motor shaft by coupling parts (6), described motor and the flow passage components that consist of pump by the pump housing, impeller, pump cover are horizontal being installed on the base all, and consist of the connected type high-temperature resistant plastic centrifugal pump.
4. described described high-temperature resistance plastice centrifugal pump according to claim 1 and 2, it is characterized in that described impeller shaft links to each other with motor by tensioning connection device, at described motor and consisted of by the pump housing, impeller, pump cover between the flow passage components of pump and be connected to an intermediate support, and consist of direct-connected high-temperature resistance plastice centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210412415.0A CN102889235B (en) | 2012-10-25 | 2012-10-25 | A kind of high-temperature resistance plastice centrifugal pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210412415.0A CN102889235B (en) | 2012-10-25 | 2012-10-25 | A kind of high-temperature resistance plastice centrifugal pump |
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| Publication Number | Publication Date |
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| CN102889235A true CN102889235A (en) | 2013-01-23 |
| CN102889235B CN102889235B (en) | 2015-11-18 |
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| CN201210412415.0A Active CN102889235B (en) | 2012-10-25 | 2012-10-25 | A kind of high-temperature resistance plastice centrifugal pump |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573646A (en) * | 2013-10-31 | 2014-02-12 | 陈潜 | High-temperature-resistant light all-plastic slurry pump |
| CN103671209A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Reinforced centrifugal pump base |
| CN103671210A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Horizontal split pump base |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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| US20040213667A1 (en) * | 2003-04-25 | 2004-10-28 | Zagone John R. | Diesel engine water pump with improved oil control |
| 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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| 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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2012
- 2012-10-25 CN CN201210412415.0A patent/CN102889235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040213667A1 (en) * | 2003-04-25 | 2004-10-28 | Zagone John R. | Diesel engine water pump with improved oil control |
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573646A (en) * | 2013-10-31 | 2014-02-12 | 陈潜 | High-temperature-resistant light all-plastic slurry pump |
| CN103671209A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Reinforced centrifugal pump base |
| CN103671210A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Horizontal split pump base |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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|---|---|
| CN102889235B (en) | 2015-11-18 |
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