CN201236846Y - Hot-water circulating pump with cooling system on pump cover - Google Patents
Hot-water circulating pump with cooling system on pump cover Download PDFInfo
- Publication number
- CN201236846Y CN201236846Y CNU200820038549XU CN200820038549U CN201236846Y CN 201236846 Y CN201236846 Y CN 201236846Y CN U200820038549X U CNU200820038549X U CN U200820038549XU CN 200820038549 U CN200820038549 U CN 200820038549U CN 201236846 Y CN201236846 Y CN 201236846Y
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- CN
- China
- Prior art keywords
- pump
- pump cover
- main shaft
- cover
- bearing
- 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 hot water circulating pump for cooling system is arranged on a pump cover and relates to a structural technical field of a single-stage single-suction volute centrifugal pump, which comprises a pump body, an impeller, a main shaft, a pump cover and a suspension frame, and a bearing is arranged between the suspension frame and the main shaft and is fixed through a bearing cover, a hollow intermediate bracket is connected between the suspension frame and the pump cover, a mechanical seal part is arranged between the pump cover and the main shaft, the mechanical seal part is connected on the end part of the pump cover through a gland, the bearing cover, the mechanical seal part and gland are arranged in an inner cavity of the intermediate bracket respectively; an axial annular cavity is arranged on the pump cover, and a circulating cooling system is arranged in the annular cavity. The utility model can make sure the normal operation of the water pump, and be suitable to the circulation of mediums under the high temperature of more than 400 degree, even more than 170 degrees.
Description
Technical field
The utility model relates to the technical field of structures of one step single sucking volute centrifugal pump.
Background technique
Pipeline in metallurgy, power station, power station, light textile, chemical industry, heating and bootstrap system or the hot water circuit in the loop or organic heat are changed in the transporting system of medium needs to use hot water circulating pump, because the medium that is recycled has the characteristic of high temperature, common recycle pump can not use owing to there is following defective: 1, adopt the sealing of packing seal or conventional machinery, heatproof and sealing effect are bad.2, when carrying the high-temperature medium, the ordinary cycle pump does not have cooling unit, and mechanical seal and bearing all can be unable to born high temperature and be damaged.3, the ordinary cycle pump adopts the transmission of three-pawl type coupling, the necessary mobile motor of maintenance each time, inconvenience during maintenance.4, ordinary cycle pump withstand voltage properties is bad, pump housing insufficient strength.
The model utility content
The utility model purpose is to design a kind of hot water circulating pump that can overcome above-mentioned defective, is provided with the hot water circulating pump of cooling system with the pump cover that adapts to high temperature media.
The utility model comprises the pump housing with entery and delivery port, also comprise impeller, main shaft, pump cover, suspension, between described suspension and the main shaft bearing is set, described bearing is fixed by bearing cap, the intermediate support that between suspension and pump cover, connects hollow, between pump cover and main shaft mechanical sealing element is set, described mechanical sealing element is connected the end of pump cover by gland; Above-mentioned bearing cap, mechanical sealing element, gland are arranged in the inner chamber of intermediate support; Described pump cover setting is around the ring cavity of axle, and described ring cavity is provided with recirculated cooling water system.
The cooling system that the recirculated cooling water system around the ring cavity of axle of the utility model by pump cover inside forms, for pump cover carries out the inside cooling, can guarantee the proper functioning of water pump, applicable to more than 400 ℃, even pipeline or the loop in the circulation, particularly metallurgy, power station, power station, light textile, chemical industry, heating and bootstrap system of high temperature media more than 170 ℃, its system operation pressure is not high, be about 4.0MPa, lift can reach 240m.
For preventing that impurity enters main shaft in the circulating water, the utility model also is provided with dustproof dish in the outer end of described bearing cap.
In addition, installation and maintenance for convenience, dustproof dish described in the utility model is fixed by the axle sleeve that is supported on the main shaft.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among Fig. 1,1 pump housing, 2 impeller nuts, 3 impellers, 4 pump covers, 5 axle sleeves, 6 mechanical sealing elements, 7 glands, 8 bearing caps, 9 bearings, 10 suspensions, 11 lubricating cups, 12 main shafts, 13 suspension struts, 14 intermediate supports, 15 dustproof dishes.
Embodiment
As shown in Figure 1, the pump housing 1 is provided with entery and delivery port 1-1,1-2, and impeller 3 is fixed on the left end of main shaft 12 by impeller nut 2, and pump cover 4 is arranged in the right-hand member of the pump housing 1, between pump cover 4 and main shaft 12 mechanical sealing element 6 is set, mechanical sealing element 6 is connected the right-hand member of pump cover 4 by gland 7 and bolt.
Be connected by bearing 9 between the suspension 10 that supports by suspension strut 13 and the main shaft 12, left end at bearing 9 is bolted to connection bearing cap 8, in the outer end of bearing cap 8 dustproof dish 15 is set, dustproof dish 15 is by being supported on axle sleeve 5 relative fixed outside the main shaft 12.
The intermediate support 14 of fixedly connected hollow between suspension 10 and pump cover 4, bearing cap 8, dustproof dish 15, mechanical sealing element 6 and gland 7 all are arranged in the inner chamber of ring-type intermediate support 14.
It is A that the inner chamber that ring-type is propped up a support 14 is provided with first recirculated cooling water.
Pump cover is provided with the ring cavity around axle, and it is B that described ring cavity is provided with second recirculated cooling water.
Between the suspension of bearing one side and the main shaft suspension inner chamber is set, it is C that described suspension inner chamber is provided with the 3rd recirculated cooling water.
More than each recirculated cooling water system respectively by pipeline and external communications.
Claims (3)
1, a kind of pump cover is provided with the hot water circulating pump of cooling system, comprise the pump housing with entery and delivery port, also comprise impeller, main shaft, pump cover, suspension, between described suspension and the main shaft bearing is set, described bearing is fixed by bearing cap, it is characterized in that connecting the intermediate support of hollow between suspension and pump cover, between pump cover and main shaft mechanical sealing element is set, described mechanical sealing element is connected the end of pump cover by gland; Above-mentioned bearing cap, mechanical sealing element, gland are arranged in the inner chamber of intermediate support; Described pump cover setting is around the ring cavity of axle, and described ring cavity is provided with recirculated cooling water system.
2,, it is characterized in that being provided with dustproof dish in the outer end of described bearing cap according to the described hot water circulating pump of claim 1.
3,, it is characterized in that described dustproof dish fixes by the axle sleeve that is supported on the main shaft according to the described hot water circulating pump of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820038549XU CN201236846Y (en) | 2008-08-12 | 2008-08-12 | Hot-water circulating pump with cooling system on pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820038549XU CN201236846Y (en) | 2008-08-12 | 2008-08-12 | Hot-water circulating pump with cooling system on pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236846Y true CN201236846Y (en) | 2009-05-13 |
Family
ID=40649586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820038549XU Expired - Fee Related CN201236846Y (en) | 2008-08-12 | 2008-08-12 | Hot-water circulating pump with cooling system on pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236846Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846103A (en) * | 2010-06-19 | 2010-09-29 | 浙江浪奇泵业有限公司 | Cooling structure for hot water recycle pump |
| CN104196732A (en) * | 2014-08-27 | 2014-12-10 | 川源(中国)机械有限公司 | Pump with water cooling jacket |
| CN104712549A (en) * | 2015-01-22 | 2015-06-17 | 江苏大学 | Pump cover of hot water circulating pump cooled by heat pipes |
-
2008
- 2008-08-12 CN CNU200820038549XU patent/CN201236846Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846103A (en) * | 2010-06-19 | 2010-09-29 | 浙江浪奇泵业有限公司 | Cooling structure for hot water recycle pump |
| CN101846103B (en) * | 2010-06-19 | 2013-06-12 | 浙江浪奇泵业有限公司 | Cooling structure for hot water recycle pump |
| CN104196732A (en) * | 2014-08-27 | 2014-12-10 | 川源(中国)机械有限公司 | Pump with water cooling jacket |
| CN104712549A (en) * | 2015-01-22 | 2015-06-17 | 江苏大学 | Pump cover of hot water circulating pump cooled by heat pipes |
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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 Yongyi Pumps Co.,Ltd. Assignor: Liu Yongfu Contract record no.: 2010320000470 Denomination of utility model: Hot-water circulating pump with cooling system on pump cover Granted publication date: 20090513 License type: Exclusive License Record date: 20100427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20150812 |
|
| EXPY | Termination of patent right or utility model |