CN202867324U - High-temperature-resisting plastic centrifugal pump - Google Patents
High-temperature-resisting plastic centrifugal pump Download PDFInfo
- Publication number
- CN202867324U CN202867324U CN 201220551177 CN201220551177U CN202867324U CN 202867324 U CN202867324 U CN 202867324U CN 201220551177 CN201220551177 CN 201220551177 CN 201220551177 U CN201220551177 U CN 201220551177U CN 202867324 U CN202867324 U CN 202867324U
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- Prior art keywords
- pump
- impeller
- spring seat
- temperature
- centrifugal pump
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- Withdrawn - After Issue
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- 229920003023 plastic Polymers 0.000 title claims abstract description 32
- 239000004033 plastic Substances 0.000 title claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000000748 compression moulding Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 150000002739 metals Chemical group 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A high-temperature-resisting plastic centrifugal pump mainly comprises a pump body, an impeller, a pump cover, a motor, a high-temperature-resisting mechanical seal component and other accessories. The high-temperature-resisting mechanical seal component is composed of a static ring, a moving ring, a spring seat, a static ring press cover, a cooling water sleeve and an acid blocking sheet. The spring seat is fixed on an impeller shaft, and the outer surface of the spring seat is directly served as a seal rotating shaft. The spring seat is provided with a spring and an O-shaped seal ring for isolating corrosive media and metal pieces. The cooling water sleeve is provided with a cooling water nozzle and a skeleton oil seal. The skeleton oil seal is matched with the spring seat to form a cooling water seal, and the pump body, the impeller and the pump cover form a flow passage component of the pump. The pump body, the impeller and the pump cover are respectively made of molded high-temperature-resisting and corrosion-resisting plastic through compression molding which comprises a full plastic structure type and a lining plastic structure type. The high-temperature-resisting plastic centrifugal pump has the advantages of being reasonable and compact in structure, reliable in usage and installation, and capable of avoiding affecting accuracy of mechanical seal due to the fact that the plastic is heated and deforms, greatly prolonging service life, being capable of effectively operating for a long term under a high-temperature and highly corrosive environment, and the like.
Description
Technical field
The utility model relates to a kind of high-temperature resistance plastice centrifugal pump, belong 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, cause plastic centrifugal pump under the high temperature strong corrosion environment, to use very limited, 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 sealing medium are revealed very soon when causing operation, do not reach equally sealing effect;
Summary of the invention
The purpose of this utility model 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 purpose of this utility model is finished by following technical solution, and 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 utility model 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 utility model 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 diagram described in the utility model.
Fig. 2 connected type high-temperature resistant plastic centrifugal pump described in the utility model structural representation.
Fig. 3 direct-connected high-temperature resistance plastice centrifugal pump structure schematic diagram described in the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the utility model 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 utility model 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 easily revealed 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 described in the utility model, 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 |
|---|---|---|---|
| CN 201220551177 CN202867324U (en) | 2012-10-25 | 2012-10-25 | High-temperature-resisting plastic centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551177 CN202867324U (en) | 2012-10-25 | 2012-10-25 | High-temperature-resisting plastic centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867324U true CN202867324U (en) | 2013-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220551177 Withdrawn - After Issue CN202867324U (en) | 2012-10-25 | 2012-10-25 | High-temperature-resisting plastic centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889235A (en) * | 2012-10-25 | 2013-01-23 | 杭州新安江工业泵有限公司 | High-temperature resistance plastics centrifugal pump |
| CN103527492A (en) * | 2013-05-08 | 2014-01-22 | 江苏大学 | Novel two-stage impeller ceramic pump |
| CN105298926A (en) * | 2015-10-19 | 2016-02-03 | 季裕成 | Bracket space radiator locking device of fluorine plastic pump |
| CN108591065A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of dual horizontal shell centrifugal pump |
-
2012
- 2012-10-25 CN CN 201220551177 patent/CN202867324U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889235A (en) * | 2012-10-25 | 2013-01-23 | 杭州新安江工业泵有限公司 | High-temperature resistance plastics centrifugal pump |
| CN102889235B (en) * | 2012-10-25 | 2015-11-18 | 杭州新安江工业泵有限公司 | A kind of high-temperature resistance plastice centrifugal pump |
| CN103527492A (en) * | 2013-05-08 | 2014-01-22 | 江苏大学 | Novel two-stage impeller ceramic pump |
| CN105298926A (en) * | 2015-10-19 | 2016-02-03 | 季裕成 | Bracket space radiator locking device of fluorine plastic pump |
| CN108591065A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of dual horizontal shell centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130410 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |