CN202926710U - Double auxiliary vane wheel sealing centrifugal pump - Google Patents
Double auxiliary vane wheel sealing centrifugal pump Download PDFInfo
- Publication number
- CN202926710U CN202926710U CN 201220601550 CN201220601550U CN202926710U CN 202926710 U CN202926710 U CN 202926710U CN 201220601550 CN201220601550 CN 201220601550 CN 201220601550 U CN201220601550 U CN 201220601550U CN 202926710 U CN202926710 U CN 202926710U
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- China
- Prior art keywords
- pump
- vane wheel
- auxiliary vane
- housing
- propeller
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- 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
The utility model discloses a double auxiliary vane wheel sealing centrifugal pump for solving the problem of poorer sealing performance of a centrifugal pump in the prior art. The double auxiliary vane wheel sealing centrifugal pump comprises a pump body, a vane wheel, auxiliary vane wheels, a pump cover, a shaft sleeve, a sealing device, a bearing supporting device and a pump shaft, wherein the vane wheel is arranged in the pump body; the auxiliary vane wheels comprise a primary auxiliary vane wheel chamber arranged in the pump body, a primary auxiliary vane wheel arranged in the primary auxiliary vane wheel chamber, a secondary auxiliary vane wheel chamber arranged in the pump body and a primary auxiliary vane wheel arranged in the secondary auxiliary vane wheel chamber; the pump cover is connected with the pump body; the shaft sleeve is arranged in the pump cover; the sealing device is arranged between the pump cover and the shaft sleeve; the bearing supporting device is connected with the pump cover; and one end of the pump shaft sequentially passes through the bearing supporting device, the shaft sleeve and the auxiliary vane wheels to be connected with the vane wheel. The double auxiliary vane wheel sealing centrifugal pump disclosed by the utility model is provided with double stages of auxiliary vane wheels, i.e. the primary auxiliary vane wheel and the secondary auxiliary vane wheel, so that loading capacity for high pressure materials in the pump body is greatly improved, leakage of the materials is reduced, service life is prolonged and maintenance frequency of the pump is reduced.
Description
Technical field
The utility model relates to the machinery field, refers to especially a kind of two-pack impeller seals centrifugal pump.
Background technique
The liquid impurity that existing centrifugal pump is carried is a lot, be easy to again simultaneously crystallization, fouling, therefore, if adopt mechanical seal, the working life of machine envelope is very short, keep in repair and safeguard particularly troublesome, the needed lift of the type centrifugal pump is higher simultaneously, if centrifugal pump adopts common packing seal so, because the gland sealed bearing capacity is limited, so when when more high-lift, leakage rate can be very large.Be the leakage problem that overcomes sealing, the pressure that slows down Seal cage, the general single-stage sub-impeller seal that adopts, although the single-stage sub-propeller has slowed down the certain pressure of Seal cage, but service time is when longer, packing seal still has a lot of leak of liquid, therefore for further to slow down the leakage of the material of carrying, need to provide a kind of centrifugal pump of good seal performance.
The model utility content
The utility model proposes a kind of two-pack impeller seals centrifugal pump, solved the relatively poor problem of centrifugal pump sealability in the prior art.
The technical solution of the utility model is achieved in that
A kind of two-pack impeller seals centrifugal pump comprises:
The pump housing;
Impeller is arranged in the described pump housing;
Sub-propeller comprises the one-level sub-propeller chamber that is arranged in the described pump housing, is arranged at the indoor one-level sub-propeller of described one-level sub-propeller, is arranged at the secondary sub-propeller chamber in the described pump housing and is arranged at the indoor secondary sub-propeller of described secondary sub-propeller;
Pump cover is connected with the described pump housing;
Axle sleeve is arranged in described pump cover;
Seal arrangement is arranged between described pump cover and described axle sleeve;
Bearing support assembly is connected with described pump cover;
Pump shaft, described pump shaft one end is connected with described impeller after passing successively described bearing support assembly, described axle sleeve, described sub-propeller.
Further, two-pack impeller seals centrifugal pump described in the utility model also comprises:
Pump housing choma is arranged between the described pump housing and described impeller, is connected with the described pump housing.
Preferably, described seal arrangement is stuffing seal.
Further, described seal arrangement comprises:
The filler packing is arranged between described pump cover and described axle sleeve;
Gland is arranged at described filler packing one side, is connected with described pump cover.
Further, described bearing support assembly comprises:
Bearing housing, described bearing housing one end is connected with described pump cover;
The fore bearing gland is arranged in described bearing housing, is connected with described bearing housing;
The rear bearing gland, described rear bearing gland is connected with the described bearing housing the other end;
Bearing is arranged in described bearing housing, is connected with described bearing housing.
The beneficial effects of the utility model are:
Two-pack impeller seals centrifugal pump described in the utility model is provided with the twin-stage sub-propeller, i.e. one-level sub-propeller and secondary sub-propeller, greatly improved the bearing capacity to the high-pressure material in the pump housing, reduce the leakage of material, improved working life, reduced the frequency of maintenance of pump.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of two-pack impeller seals of the utility model centrifugal pump;
Fig. 2 is the structural representation of the one-level sub-propeller chamber of a kind of two-pack impeller seals of the utility model centrifugal pump;
Fig. 3 is the structural representation of the secondary sub-propeller chamber of a kind of two-pack impeller seals of the utility model centrifugal pump;
Fig. 4 is the structural representation of the bearing housing of a kind of two-pack impeller seals of the utility model centrifugal pump.
In figure:
1, the pump housing; 2, impeller; 3, one-level sub-propeller chamber; 4, one-level sub-propeller; 5, secondary sub-propeller chamber; 6, secondary sub-propeller; 7, pump cover; 8, axle sleeve; 9, pump shaft; 10, pump housing choma; 11, filler packing; 12, Gland; 13, bearing housing; 14, fore bearing gland; 15, rear bearing gland; 16, bearing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1-4, a kind of two-pack impeller seals centrifugal pump described in the utility model comprises:
The pump housing 1;
Sub-propeller comprises the one-level sub-propeller chamber 3 that is arranged in the pump housing 1, is arranged at one-level sub-propeller 4 in one-level sub-propeller chamber 3, is arranged at the secondary sub-propeller chamber 5 in the pump housing 1 and is arranged at secondary sub-propeller 6 in secondary sub-propeller chamber 5;
Seal arrangement is arranged between pump cover 7 and axle sleeve 8;
Bearing support assembly is connected with pump cover 7;
Two-pack impeller seals centrifugal pump described in the utility model is provided with the twin-stage sub-propeller, i.e. one-level sub-propeller 4 and secondary sub-propeller 6, greatly improved the bearing capacity to the high-pressure material in the pump housing 1, reduce the leakage of material, improved working life, reduced the frequency of maintenance of pump.
Two-pack impeller seals centrifugal pump described in the utility model can also comprise:
Wherein, pump housing choma 10 can be adjusted the gap between the pump housing 1 and impeller 2: this gap is little, and internal leakage is little, and efficient is high, but easily grazing occurs; This gap is large, and internal leakage is large, and efficient is low, but the grazing phenomenon can not occur.In addition, pump housing choma 10 can also reduce user cost: in use for some time, gap between the pump housing 1 and impeller 2 becomes large owing to washing away and corroding, do not need to change impeller 2, only needing to change pump housing choma 10 gets final product, pump housing choma 10 can be selected high performance material and increase surface strength and hardness by rational heat treatment, improves its wear resistance, thereby extends the effective time of pump.
Wherein, preferably, described seal arrangement is stuffing seal.
Further, described seal arrangement can comprise:
Wherein, filler packing 11 is also named stuffing box packing, is usually formed by more soft thread braiding, and sectional area is that square or rectangular, circular bar are filled in seal chamber usually, thereby realizes sealing.
Further, described bearing support assembly comprises:
Bearing housing 13, described bearing housing 13 1 ends are connected with pump cover 7;
Fore bearing gland 14 is arranged in bearing housing 13, is connected with bearing housing 13;
Rear bearing gland 15, described rear bearing gland 15 is connected with bearing housing 13 the other ends;
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a two-pack impeller seals centrifugal pump, is characterized in that, comprising:
The pump housing (1);
Impeller (2) is arranged in the described pump housing (1);
Sub-propeller comprises the one-level sub-propeller chamber (3) that is arranged in the described pump housing (1), is arranged at one-level sub-propeller (4) in described one-level sub-propeller chamber (3), is arranged at the secondary sub-propeller chamber (5) in the described pump housing (1) and is arranged at the interior secondary sub-propeller (6) in described secondary sub-propeller chamber (5);
Pump cover (7) is connected with the described pump housing (1);
Axle sleeve (8) is arranged in described pump cover (7);
Seal arrangement is arranged between described pump cover (7) and described axle sleeve (8);
Bearing support assembly is connected with described pump cover (7);
Pump shaft (9), described pump shaft (9) one ends are connected with described impeller (2) after passing successively described bearing support assembly, described axle sleeve (8), described sub-propeller.
2. two-pack impeller seals centrifugal pump according to claim 1, is characterized in that, also comprises:
Pump housing choma (10) is arranged between the described pump housing (1) and described impeller (2), is connected with the described pump housing (1).
3. two-pack impeller seals centrifugal pump according to claim 2, is characterized in that, described seal arrangement is stuffing seal.
4. two-pack impeller seals centrifugal pump according to claim 3, is characterized in that, described seal arrangement comprises:
Filler packing (11) is arranged between described pump cover (7) and described axle sleeve (8);
Gland (12) is arranged at described filler packing (11) one sides, is connected with described pump cover (7).
5. two-pack impeller seals centrifugal pump according to claim 4, is characterized in that, described bearing support assembly comprises:
Bearing housing (13), described bearing housing (13) one ends are connected with described pump cover (7);
Fore bearing gland (14) is arranged in described bearing housing (13), is connected with described bearing housing (13);
Rear bearing gland (15), described rear bearing gland (15) is connected with described bearing housing (13) the other end;
Bearing (16) is arranged in described bearing housing (13), is connected with described bearing housing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601550 CN202926710U (en) | 2012-11-14 | 2012-11-14 | Double auxiliary vane wheel sealing centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601550 CN202926710U (en) | 2012-11-14 | 2012-11-14 | Double auxiliary vane wheel sealing centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926710U true CN202926710U (en) | 2013-05-08 |
Family
ID=48216677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601550 Expired - Fee Related CN202926710U (en) | 2012-11-14 | 2012-11-14 | Double auxiliary vane wheel sealing centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762803A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance petrochemical industry centrifugal pump |
-
2012
- 2012-11-14 CN CN 201220601550 patent/CN202926710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762803A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance petrochemical industry centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |