CN203962510U - High speed centrifugal pump - Google Patents
High speed centrifugal pump Download PDFInfo
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- CN203962510U CN203962510U CN201420364093.1U CN201420364093U CN203962510U CN 203962510 U CN203962510 U CN 203962510U CN 201420364093 U CN201420364093 U CN 201420364093U CN 203962510 U CN203962510 U CN 203962510U
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- pump head
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- import
- flushing pipe
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Abstract
The utility model relates to high speed centrifugal pump, comprise one-level pump head and secondary pump head, one-level pump head comprises the import of one-level pump head and the outlet of one-level pump head, secondary pump head comprises the import of secondary pump head and the outlet of secondary pump head, in one-level pump head, be provided with the sealing of one-level pump head, in secondary pump head, be provided with two stage pump head primary seal and secondary pump head secondary seal, the outlet of secondary pump head is provided with draining hole, secondary pump head is provided with the first level of two stage pump and sealflushes import, secondary pump head secondary seal rinses import and secondary pump head secondary seal is rinsed outlet, one-level pump head is provided with the first level of primary pump and sealflushes import, the first level of draining hole and two stage pump is sealflushed import, secondary pump head secondary seal is rinsed between import and is provided with secondary flushing pipe, secondary pump head secondary seal is rinsed first grade sealflush of outlet and primary pump and between import, is provided with one-level flushing pipe, on secondary flushing pipe and one-level flushing pipe, be equipped with flow dontroller, have the advantages that to rinse well.
Description
Technical field
The utility model relates to a kind of high speed centrifugal pump, relates in particular to the Rinsing unit of high speed centrifugal pump.
Background technique
High speed centrifugal pump, comprise one-level pump head and secondary pump head, described one-level pump head comprises the import of one-level pump head and the outlet of one-level pump head, the import of described one-level pump head is connected with the outlet of one-level pump head, described secondary pump head comprises the import of secondary pump head and the outlet of secondary pump head, the import of described secondary pump head communicates with the outlet of secondary pump head, between described one-level pump head outlet and the import of secondary pump head, be connected by pipeline, in one-level pump head, be provided with the sealing of one-level pump head, in secondary pump head, be provided with two stage pump head primary seal and secondary pump head secondary seal, its deficiency is, one-level pump head sealing in high speed centrifugal pump, two stage pump head primary seal and secondary pump head secondary seal, all to drive and rinse by external agency, complex structure, to the one-level pump head sealing of high speed centrifugal pump, two stage pump head primary seal and secondary pump head secondary seal are rinsed clean not, make the sealing of one-level pump head, in two stage pump head primary seal and secondary pump head secondary seal, easily assemble impurity, cause the sealing of one-level pump head, two stage pump head primary seal and secondary pump head secondary seal quick abrasion, sealing fruit is bad, the one-level pump head sealing that need to more renew, two stage pump head primary seal and secondary pump head secondary seal, cause cost of production greatly to improve.
Model utility content
Technical problem to be solved in the utility model is: provide the sealing of a kind of one-level pump head, two stage pump head primary seal and secondary pump head secondary seal is rinsed well, the high speed centrifugal pump of good seal.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: high speed centrifugal pump, comprise one-level pump head and secondary pump head, described one-level pump head comprises the import of one-level pump head and the outlet of one-level pump head, the import of described one-level pump head is connected with the outlet of one-level pump head, described secondary pump head comprises the import of secondary pump head and the outlet of secondary pump head, the import of described secondary pump head communicates with the outlet of secondary pump head, between described one-level pump head outlet and the import of secondary pump head, be connected by pipeline, in one-level pump head, be provided with the sealing of one-level pump head, in secondary pump head, be provided with two stage pump head primary seal and secondary pump head secondary seal, described secondary pump head outlet is provided with draining hole, secondary pump head is provided with the first level of two stage pump and sealflushes import, secondary pump head secondary seal rinses import and secondary pump head secondary seal is rinsed outlet, the first level of described two stage pump is sealflushed import and is communicated with the outlet of secondary pump head, described secondary pump head secondary seal is rinsed import and is communicated with secondary pump head secondary seal flushing outlet, one-level pump head is provided with the first level of primary pump and sealflushes import, described have the first level of primary pump to sealflush import to export and communicate with one-level pump head, the first level of described draining hole and two stage pump is sealflushed import, secondary pump head secondary seal is rinsed between import and is provided with secondary flushing pipe, described secondary pump head secondary seal is rinsed outlet and first grade of primary pump and is sealflushed and between import, be provided with one-level flushing pipe, on described secondary flushing pipe and one-level flushing pipe, be equipped with step-down current-limiting apparatus.
The beneficial effect of the high speed centrifugal pump that the utility model provides is: because the outlet of secondary pump head is provided with draining hole, secondary pump head is provided with the first level of two stage pump and sealflushes import, secondary pump head secondary seal rinses import and secondary pump head secondary seal is rinsed outlet, the first level of described two stage pump is sealflushed import and is communicated with the outlet of secondary pump head, described secondary pump head secondary seal is rinsed import and is communicated with secondary pump head secondary seal flushing outlet, one-level pump head is provided with the first level of primary pump and sealflushes import, described have the first level of primary pump to sealflush import to export and communicate with one-level pump head, the first level of described draining hole and two stage pump is sealflushed import, secondary pump head secondary seal is rinsed between import and is provided with secondary flushing pipe, described secondary pump head secondary seal is rinsed outlet and first grade of primary pump and is sealflushed and between import, be provided with one-level flushing pipe, on described secondary flushing pipe and one-level flushing pipe, be equipped with step-down current-limiting apparatus, that is to say while flushing and directly from the draining hole of secondary pump head outlet, medium is drawn, introduce two stage pump head primary seal and secondary pump head secondary seal are rinsed by secondary flushing pipe, medium after the first level of two stage pump is sealflushed flows into the outlet of two stage pump head, medium after secondary pump head secondary seal is rinsed connects by one-level flushing pipe, one-level pump head is sealed into row to be rinsed, the medium that one-level pump head is sealed into after row rinses flows into the outlet of primary pump head, make two stage pump head primary seal, secondary pump head secondary seal and the sealing of one-level pump head are rinsed by the medium of self, the flushing pressure of this medium brings by high speed centrifugal pump self, thereby do not need external equipment band moving medium to two stage pump head primary seal, secondary pump head secondary seal and one-level pump head are sealed into row and rinse, and by step-down current-limiting apparatus being all set on secondary flushing pipe and one-level flushing pipe, step-down current-limiting apparatus on secondary flushing pipe carries out step-down to the flushing pressure of the medium in the secondary flushing pipe of drawing from draining hole, current limliting, the flushing pressure of medium is controlled to two stage pump head primary seal, within the scope of the flushing pressure that secondary pump head secondary seal needs, step-down current-limiting apparatus on one-level flushing pipe carries out step-down to the flushing pressure of the medium in one-level flushing pipe, current limliting, the flushing pressure of medium is controlled to one-level pump head to be sealed within the scope of the flushing pressure needing, make two stage pump head primary seal, it is cleaner that secondary pump head secondary seal and one-level pump head are sealflushed, thereby allow two stage pump head primary seal, secondary pump head secondary seal and the sealing of one-level pump head are not easy to wear, good sealing effect, it is more permanent to use, cost of production is reduced greatly, and this high speed centrifugal pump is simple in structure, low cost of manufacture, the medium here refers to water, oil or other liquid.
Brief description of the drawings
Fig. 1 is the structural representation of the high speed centrifugal pump that provides of the utility model.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram at B place in Fig. 1.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3, the embodiment of the high speed centrifugal pump that the utility model provides, comprise one-level pump head 1 and secondary pump head 2, described one-level pump head 1 comprises one-level pump head import 11 and one-level pump head outlet 12, described one-level pump head import 11 is connected 12 with the outlet of one-level pump head, described secondary pump head 2 comprises secondary pump head import 21 and secondary pump head outlet 22, described secondary pump head import 21 communicates with secondary pump head outlet 22, between described one-level pump head outlet 12 and secondary pump head import 22, be connected by pipeline, in one-level pump head 1, be provided with one-level pump head sealing 13, in secondary pump head 2, be provided with two stage pump head primary seal 23 and secondary pump head secondary seal 24, described secondary pump head outlet 22 is provided with draining hole 221, secondary pump head 2 is provided with the first level of two stage pump and sealflushes import 25, secondary pump head secondary seal rinses import 26 and secondary pump head secondary seal is rinsed outlet 27, the first level of described two stage pump is sealflushed import 25 and is communicated with secondary pump head outlet 22, described secondary pump head secondary seal is rinsed import 26 and is communicated with secondary pump head secondary seal flushing outlet 27, on one-level pump head, 1 is provided with the first level of primary pump and sealflushes import 14, described have the first level of primary pump to sealflush import 14 to export 1 with one-level pump head and communicate, described draining hole 221 is sealflushed import 25 with the first level of two stage pump, secondary pump head secondary seal is rinsed between import 26 and is provided with secondary flushing pipe 3, that is to say that draining hole 221 sealflushes import 25 by the first level of secondary flushing pipe 3 and two stage pump, secondary pump head secondary seal is rinsed import 26 and is communicated with, described secondary pump head secondary seal is rinsed outlet 27 and first grade of primary pump and is sealflushed and between import 14, be provided with one-level flushing pipe 4, that is to say that secondary pump head secondary seal rinses outlet 27 and grade sealflush import 14 and be communicated with by one-level flushing pipe 4 and primary pump are first, on described secondary flushing pipe 3 and one-level flushing pipe 4, be equipped with step-down current-limiting apparatus 5.
As Fig. 1, Fig. 2, shown in Fig. 3, described secondary flushing pipe 3 comprises secondary pump head outlet drainage pipe 31, the first level of two stage pump is sealflushed pipeline 32, secondary pump head secondary seal flushing pipe 33, one-level flushing pipe 4 comprises that the first level of primary pump sealflushes pipeline 41, described step-down current-limiting apparatus 5 comprises the first step-down current-limiting apparatus 51, the second step-down current-limiting apparatus 52, the 3rd step-down current-limiting apparatus 53 and the 4th step-down current-limiting apparatus 54, described the first step-down current-limiting apparatus 51 is arranged on secondary pump head outlet drainage pipe 31, described the second step-down current-limiting apparatus 52 is arranged on the first level of two stage pump and sealflushes on pipeline 32, described the 3rd step-down current-limiting apparatus 53 is arranged on secondary pump head secondary seal flushing pipe 33, described the 4th step-down current-limiting apparatus 54 is arranged on the first level of primary pump and sealflushes on pipeline 41, one end of described secondary pump head outlet drainage pipe 31 is connected with draining hole 221, the other end of secondary pump head outlet drainage pipe 31 sealflushes one end of pipeline 32 with the first level of two stage pump and one end of secondary pump head secondary seal flushing pipe 33 is connected, the other end that the first level of described two stage pump is sealflushed pipeline 32 is sealflushed import 25 with first grade of two stage pump and is connected, the other end of described secondary pump head secondary seal flushing pipe 33 rinses import 26 with secondary pump head secondary seal and is connected, one end that the first level of described primary pump is sealflushed pipeline 41 is connected with secondary pump head secondary seal flushing outlet 27, the other end that the first level of primary pump is sealflushed pipeline 41 is sealflushed import 14 with first grade of primary pump and is connected,
The first step-down current-limiting apparatus 51 first carries out total step-down by the flushing pressure of the medium of drawing from draining hole 221, current limliting, the second step-down current-limiting apparatus 52 is down to the flushing pressure of medium within the scope of the flushing pressure of two stage pump head primary seal 23 needs, the 3rd step-down current-limiting apparatus 53 is down to the flushing pressure of medium within the scope of the flushing pressure of secondary pump head secondary seal 24 needs, the 4th step-down current-limiting apparatus 54 is down to one-level pump head by the flushing pressure of medium and is sealed within the scope of 13 flushing pressures that need, make flushing pressure control more accurate of medium, thereby two stage pump head primary seal 23, it is cleaner that secondary pump head secondary seal 24 and one-level pump head sealing 13 are rinsed.
As shown in Figure 1, described secondary pump head outlet drainage pipe 31 is provided with filter 6 and pressure gauge 7, by being set, filter 6 contaminant filter in medium can be fallen, make the cleaner of two stage pump head primary seal 23, secondary pump head secondary seal 24 and one-level pump head sealing 13 flushings, can observe the pressure of the medium of drawing on secondary pump head outlet drainage pipe 31 by pressure gauge 7 is set the moment.
As shown in Figure 1, Figure 2, Figure 3 shows, described step-down current-limiting apparatus 5 is orifice plate 55, described orifice plate 55 is cylindric, the axial direction of described orifice plate 55 is provided with current limliting through hole (not indicating in figure), that is to say that orifice plate 55 is for columniform metal bar, in use medium passes through from the current limliting through hole of orifice plate 55, the size of the current limliting through hole by orifice plate 55 realizes step-down, current limliting, the flushing pressure of control media, make flushing pressure regulate rear being better stabilized within the scope of certain pressure, make to rinse more stable.
As shown in Figure 1, Figure 2, Figure 3 shows, described secondary flushing pipe 3 and one-level flushing pipe 4 are Stainless Steel Tube, the internal diameter of described secondary flushing pipe 3 and one-level flushing pipe 4 is 20 millimeters, Stainless Steel Tube is difficult for being corroded, durable in use, low cost of manufacture, internal diameter is secondary flushing pipe 3 and the one-level flushing pipe 4 of 20 mm in sizes, make the size of secondary flushing pipe 3 and one-level flushing pipe 4 keep moderate, structure is compacter.
Claims (6)
1. high speed centrifugal pump, comprise one-level pump head (1) and secondary pump head (2), described one-level pump head (1) comprises one-level pump head import (11) and one-level pump head outlet (12), described one-level pump head import (11) exports with one-level pump head be connected (12), described secondary pump head (2) comprises secondary pump head import (21) and secondary pump head outlet (22), described secondary pump head import (21) communicates with secondary pump head outlet (22), between described one-level pump head outlet (12) and secondary pump head import (22), be connected by pipeline, in one-level pump head (1), be provided with one-level pump head sealing (13), in secondary pump head (2), be provided with two stage pump head primary seal (23) and secondary pump head secondary seal (24), it is characterized in that: described secondary pump head outlet (22) is provided with draining hole (221), secondary pump head (2) is provided with the first level of two stage pump and sealflushes import (25), secondary pump head secondary seal rinses import (26) and secondary pump head secondary seal is rinsed outlet (27), the first level of described two stage pump is sealflushed import (25) and is communicated with secondary pump head outlet (22), described secondary pump head secondary seal is rinsed import (26) and is communicated with secondary pump head secondary seal flushing outlet (27), on one-level pump head, (1) is provided with the first level of primary pump and sealflushes import (14), described have the first level of primary pump to sealflush import (14) to export (1) with one-level pump head and communicate, described draining hole (221) is sealflushed import (25) with the first level of two stage pump, secondary pump head secondary seal is rinsed between import (26) and is provided with secondary flushing pipe (3), described secondary pump head secondary seal is rinsed outlet (27) and first grade of primary pump and is sealflushed and between import (14), be provided with one-level flushing pipe (4), on described secondary flushing pipe (3) and one-level flushing pipe (4), be equipped with step-down current-limiting apparatus (5).
2. high speed centrifugal pump according to claim 1, it is characterized in that: described secondary flushing pipe (3) comprises secondary pump head outlet drainage pipe (31), the first level of two stage pump is sealflushed pipeline (32), secondary pump head secondary seal flushing pipe (33), one-level flushing pipe (4) comprises that the first level of primary pump sealflushes pipeline (41), described step-down current-limiting apparatus (5) comprises the first step-down current-limiting apparatus (5) (51), the second step-down current-limiting apparatus (5) (52), the 3rd step-down current-limiting apparatus (53) and the 4th step-down current-limiting apparatus (54), described the first step-down current-limiting apparatus (51) is arranged on secondary pump head outlet drainage pipe (31), described the second step-down current-limiting apparatus (52) is arranged on the first level of two stage pump and sealflushes on pipeline (32), described the 3rd step-down current-limiting apparatus (53) is arranged on secondary pump head secondary seal flushing pipe (33), described the 4th step-down current-limiting apparatus (54) is arranged on the first level of primary pump and sealflushes on pipeline (41), one end of described secondary pump head outlet drainage pipe (31) is connected with draining hole (221), the other end of secondary pump head outlet drainage pipe (31) sealflushes one end of pipeline (32) with the first level of two stage pump and one end of secondary pump head secondary seal flushing pipe (33) is connected, the other end that the first level of described two stage pump is sealflushed pipeline (32) is sealflushed import (25) with first grade of two stage pump and is connected, the other end of described secondary pump head secondary seal flushing pipe (33) rinses import (26) with secondary pump head secondary seal and is connected, one end that the first level of described primary pump is sealflushed pipeline (41) is connected with secondary pump head secondary seal flushing outlet (27), the other end that the first level of primary pump is sealflushed pipeline (41) is sealflushed import (14) with first grade of primary pump and is connected.
3. high speed centrifugal pump according to claim 2, is characterized in that: described secondary pump head outlet drainage pipe (31) is provided with filter (6) and pressure gauge (7).
4. according to the high speed centrifugal pump described in claim 1 or 2 or 3, it is characterized in that: described step-down current-limiting apparatus (5) is orifice plate (55), described orifice plate (55) is cylindric, and the axial direction of described orifice plate (55) is provided with current limliting through hole.
5. according to the high speed centrifugal pump described in claim 1 or 2 or 3, it is characterized in that: described secondary flushing pipe (3) and one-level flushing pipe (4) are Stainless Steel Tube, the internal diameter of described secondary flushing pipe (3) and one-level flushing pipe (4) is 20 millimeters.
6. high speed centrifugal pump according to claim 4, it is characterized in that: described secondary flushing pipe (3) and one-level flushing pipe (4) are Stainless Steel Tube, the internal diameter of described secondary flushing pipe (3) and one-level flushing pipe (4) is 20 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364093.1U CN203962510U (en) | 2014-07-02 | 2014-07-02 | High speed centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364093.1U CN203962510U (en) | 2014-07-02 | 2014-07-02 | High speed centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962510U true CN203962510U (en) | 2014-11-26 |
Family
ID=51923104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420364093.1U Active CN203962510U (en) | 2014-07-02 | 2014-07-02 | High speed centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962510U (en) |
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2014
- 2014-07-02 CN CN201420364093.1U patent/CN203962510U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-speed centrifugal pump Effective date of registration: 20180103 Granted publication date: 20141126 Pledgee: Hangzhou long long Financial Information Service Co., Ltd. Pledgor: Zhejiang Tiande Pumps Co., Ltd. Registration number: 2017330000343 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210315 Granted publication date: 20141126 Pledgee: Hangzhou long long Financial Information Service Co.,Ltd. Pledgor: ZHEJIANG TIANDE PUMPS Co.,Ltd. Registration number: 2017330000343 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High speed centrifugal pump Effective date of registration: 20210316 Granted publication date: 20141126 Pledgee: Zhejiang Cangnan rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG TIANDE PUMPS Co.,Ltd. Registration number: Y2021330000193 |