CN203230616U - Novel chemical centrifugal pump - Google Patents
Novel chemical centrifugal pump Download PDFInfo
- Publication number
- CN203230616U CN203230616U CN 201320196840 CN201320196840U CN203230616U CN 203230616 U CN203230616 U CN 203230616U CN 201320196840 CN201320196840 CN 201320196840 CN 201320196840 U CN201320196840 U CN 201320196840U CN 203230616 U CN203230616 U CN 203230616U
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- CN
- China
- Prior art keywords
- impeller
- propeller
- centrifugal pump
- sub
- novel chemical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A novel chemical centrifugal pump comprises a connection support, a medium outlet, a front cover, an inlet elbow and a pump shaft. An impeller and an auxiliary impeller are arranged on the pump shaft, an auxiliary impeller stop plate is arranged between the impeller and the auxiliary impeller, a mechanical sealing component is arranged on the pump shaft above the auxiliary impeller, and a dustproof disc is arranged on the mechanical sealing component. The novel chemical centrifugal pump is applicable to working conditions with large flow or extremely large inlet pressure and suitable for delivering slurry with corrosive performance or high-temperature media, and maintenance and replacement of a pump body are simplified and facilitated.
Description
Technical field
The utility model relates to centrifugal pump, relates in particular to the novel chemical centrifugal pump that uses in a kind of coal chemical engineering equipment.
Technical background
In coal chemical technology, the solid mixture that centrifugal type slurry pump can be more intense for delivery of abrasion, contain the strong solid particle is as ore pulp, lime-ash, cement slurry, mortar, grit etc.Existing centrifugal type slurry pump is in course of conveying, if quantity delivered is very big or inlet pressure when higher, can cause the impeller in the centrifugal pump to bear very big load, and being difficult to effectively convection cell controls so that impeller bears uniform load, cause the pump can't proper functioning, and the coal slurry solid content height of carrying, impeller to rotation at a high speed washes away very severe, after impeller weares and teares, usually the centrifugal pump of structure is difficult to repair and replacement, simultaneously, also dissolved the part inflammable gas in the high temperature coal slurry (as hydrogen, light component oil gas), this part contained gas in the coal slurry will become inflammable gas, the generation spontaneous combustion if leak in the atmosphere, therefore, need also to guarantee that centrifugal pump has good sealing.
The model utility content
The purpose of this utility model is to provide a kind of novel chemical centrifugal pump of easy to maintenance, good seal performance.
The utility model is to realize like this, novel chemical centrifugal pump, comprise and connect support, media outlet, protecgulum, import bend pipe, pump shaft, it is characterized in that: pump shaft is provided with impeller and sub-propeller, be provided with the sub-propeller baffle plate between described impeller and the sub-propeller, the pump shaft of described sub-propeller top is provided with mechanical sealing assembly, and described mechanical sealing assembly is provided with dustproof dish.
Further, described sub-propeller baffle plate by bolt be connected support and fix; Described media outlet is parallel up and down with the medium import of import bend pipe.
Centrifugal pump of the present utility model is applicable to big flow or has the operating mode of very big inlet pressure, and is applicable to and carries slag slurry or the high temperature media with abrasion performance, make simultaneously the pump housing maintenance, change easier.
Description of drawings
Fig. 1 is an embodiment's of the utility model structural representation.
Among the figure 1, connect support, 2, dustproof dish, 3, mechanical sealing assembly, 4, sub-propeller, 5, the sub-propeller baffle plate, 6, media outlet, 7, rear lining plate, 8, impeller, 9, protecgulum, 10, preceding liner plate, 11, import bend pipe, 12, supporting frame, 13, base, 14, pump shaft.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing
Novel chemical centrifugal pump, comprise and connect support 1, protecgulum 9, import bend pipe 11, pump shaft 14, it is characterized in that: pump shaft is provided with impeller 8 and sub-propeller 4, be provided with sub-propeller baffle plate 5 between described impeller 8 and the sub-propeller 4, the pump shaft of described sub-propeller 4 tops is provided with mechanical sealing assembly 3, and described mechanical sealing assembly 3 is provided with dustproof dish 2.When the utility model is in running state, the slag slurry sucks from import bend pipe 11, by impeller 8 effects, discharge from media outlet 6, sub-propeller 4 rotations simultaneously produce the axial force reverse with impeller 8, can play the effect of balancing axial thrust, and the contrary pressure that rotation produces can stop entering of medium effectively, wherein sub-propeller baffle plate 5 plays the effect that preliminary inhibition stops that the large particle medium enters, thereby can realize the effect that the sub-propeller dynamic seal combines in mechanical seal.
In the utility model, with to be connected support 1 fixing, protecgulum 9 and preceding liner plate 10 are connected by bolt described sub-propeller baffle plate 5 by bolt, when if damage in impeller need be changed, only need unclamp bolt, with the top integrated type dismounting of impeller 8, maintain and replace is very convenient.
Media outlet 6 described in the utility model is parallel up and down with the medium import of import bend pipe 11, owing to adopt this mode of radially discharging that radially sucks, the transmission energy loss of medium has reduced, thereby has improved the working efficiency of pump.
Claims (3)
1. novel chemical centrifugal pump, comprise and connect support (1), media outlet (6), protecgulum (9), import bend pipe (11), pump shaft (14), it is characterized in that: pump shaft is provided with impeller (8) and sub-propeller (4), be provided with sub-propeller baffle plate (5) between described impeller (8) and the sub-propeller (4), the pump shaft of described sub-propeller (4) top is provided with mechanical sealing assembly (3), and described mechanical sealing assembly (3) is provided with dustproof dish (2).
2. novel chemical centrifugal pump according to claim 1 is characterized in that: described sub-propeller baffle plate (5) by bolt with to be connected support (1) fixing.
3. novel chemical centrifugal pump according to claim 1 is characterized in that: described media outlet (6) is parallel up and down with the medium import of import bend pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196840 CN203230616U (en) | 2013-04-18 | 2013-04-18 | Novel chemical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196840 CN203230616U (en) | 2013-04-18 | 2013-04-18 | Novel chemical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230616U true CN203230616U (en) | 2013-10-09 |
Family
ID=49286745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196840 Expired - Fee Related CN203230616U (en) | 2013-04-18 | 2013-04-18 | Novel chemical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389807A (en) * | 2014-11-21 | 2015-03-04 | 中国成达工程有限公司 | Shaft seal structure of centrifugal coal slurry pump |
-
2013
- 2013-04-18 CN CN 201320196840 patent/CN203230616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389807A (en) * | 2014-11-21 | 2015-03-04 | 中国成达工程有限公司 | Shaft seal structure of centrifugal coal slurry pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Shuangda Pump & Valve Co., Ltd. Assignor: Jiangsu Shuangda Engineering Technology Research Center Co., Ltd. Contract record no.: 2014320000242 Denomination of utility model: Novel chemical centrifugal pump Granted publication date: 20131009 License type: Exclusive License Record date: 20140325 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20210418 |