CN203175998U - Composite cooling high temperature molten salt pump - Google Patents
Composite cooling high temperature molten salt pump Download PDFInfo
- Publication number
- CN203175998U CN203175998U CN 201320211939 CN201320211939U CN203175998U CN 203175998 U CN203175998 U CN 203175998U CN 201320211939 CN201320211939 CN 201320211939 CN 201320211939 U CN201320211939 U CN 201320211939U CN 203175998 U CN203175998 U CN 203175998U
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- China
- Prior art keywords
- pump shaft
- pump
- bearing
- middle frame
- fins
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Abstract
The utility model relates to a composite cooling high temperature molten salt pump, wherein a motor is connected onto a bearing box through a motor rack, the bearing box is connected on one side of a bottom plate through a middle rack, a pump body is connected on the other side of the bottom plate, a pump shaft is born on the bearing box through a bearing and is connected with an impeller through an impeller nut, and an insulated tank group and a cooling fin group are arranged on the pump shaft which is arranged in the middle rack. The insulated tank group comprises a plurality of insulated ring slots along the peripheral direction of the pump shaft and/or an insulated spiral slot around the circumference of the pump shaft along the axial direction of the pump shaft, and the cooling fin group comprises more than one plane cooling fins and/or more than one twisted cooling fins. The composite cooling high temperature molten salt pump achieves to cool and block high temperature heat on the surface of the pump shaft by adopting a composite cooling structure of a heat blocking slot hot screen design and a cooling pin group design on the pump shaft, is simple in structure, compositely and actively cool the pump shaft in multiple channels, is excellent in cooling effect, can effectively prevent the bearing from bearing high temperature, prolongs service life of the bearing, and guarantees high temperature molten salt to steadily run.
Description
Technical field
The utility model relates to a kind of pump for liquid salts, is a kind of high-temperature melting salt pump with better composite radiating performance specifically.
Background technique
Pump for liquid salts is the pump that is used for carrying high-temperature molten salt specially, surpass more than 100 ℃ for the fed sheet of a media temperature, heat generally is by main shaft or connection support elevated temperature heat to be passed to bearing portion, thereby can cause bearing lubrication to be lost efficacy in advance and the trigger pump operation troubles, must effectively cool off positions such as bearings immediately the high temperature media transfer pump.Traditional cooling means comprises: 1, adopt water-cooling jacket Forced water cooling main shaft to dispel the heat, at the pump shaft that uses under the hot environment, the required cooling water inflow that dispels the heat is big, the external equipment load is big, in a single day external equipment breaks down, bigger to the pump for liquid salts systematic influence, water-cooled is bigger to the environmental protection influence simultaneously; 2, adopt band fan heat radiation bearing housing, to the bearing gland cooling of dispelling the heat, but heat is passed to bearing by fused salt through pump shaft, bearing is dispelled the heat, the passive heat radiation of bearing, bearing is in the repetitive cycling of heat absorption, heat radiation, bigger to damage of the bearing, working life is short; 3, adopt the cooling of oil pocket lubricant oil, establish cooling coil cutting oil or outer circulation cooling in the lubricant oil, there is the deficiency of water-cooling jacket equally in this method.
Summary of the invention
The deficiency that exists in the cooling means at high-temperature melting salt pump pump shaft or bearing in the prior art, it is a kind of simple in structure that the utility model provides, the compound pump shaft that initiatively cools off of multi-pass, good heat dissipation effect, can effectively avoid bearing to bear elevated temperature heat, prolong bearing working life, guarantee the composite radiating high-temperature melting salt pump of high-temperature melting salt pump stable operation.
The technical solution adopted in the utility model is: a kind of composite radiating high-temperature melting salt pump, comprise motor, the pump housing, impeller, pump shaft, bearing housing, middle frame and base plate, motor is connected on the bearing housing through the motor frame, motor connects pump shaft through coupling, bearing housing is connected in base plate one side by middle frame, the pump housing is connected in the base plate opposite side, pump shaft one end is bearing on the bearing housing through bearing, the impeller of the other end in impeller nut is connected in the pump housing, its technical characterstic is that pump shaft is provided with heat dam group and groups of fins in the described middle frame, the heat dam group comprise multiple tracks along the heat insulation annular groove of pump shaft circumferencial direction and/or along pump shaft axially around the heat insulation spiral chute of pump shaft circumference, groups of fins comprises the above planar fins of a slice and or the above distortion radiating fin of a slice.
Further, be socketed with the water-cooling jacket more than on the described pump shaft, the water-cooling jacket disjunctor is located at middle frame near base plate one end, or water-cooling jacket is located at middle frame one end away from base plate, or the water-cooling jacket disjunctor is located in the bearing housing.
Further, the described pump housing is communicated with the drain pipe that is fixed on the base plate.
Further, described middle frame is the open linking body structures of many columns, and many columns are provided with heat dam group and groups of fins.
Again further, described groups of fins is connected on the pump shaft with distortion radiating fin spacer sleeve successively by planar fins and forms.
Adopt technique scheme, the beneficial effect that the utility model reaches is:
1, in the middle frame pump shaft surface design multiple tracks along the heat insulation annular groove of pump shaft circumferencial direction and/or along pump shaft axially around the heat insulation spiral chute of pump shaft circumference, heat insulation annular groove or heat insulation spiral chute can effectively hinder slow or blocking-up high temperature media heat from the rapid transmission on pump shaft surface; Pump shaft surface design groups of fins in the middle frame, groups of fins is connected on the pump shaft with distortion radiating fin spacer sleeve successively by planar fins to be formed, the material of radiating fin can adopt stainless steel or other materials according to the different medium characteristics, radiating fin is by adopting on the folder mode fixed main shaft, and along with main shaft rotates synchronously, can carry out efficiently radiates heat by the medium heat that planar fins is transmitted the main shaft surface, distortion radiating fin between two planar fins plays the fan effect when rotated, can rapidly the heat between two planar fins be sent, further improve the groups of fins radiating effect, its heat diffusion area can be according to different temperatures, revolution speed carries out different designs, to reach optimum efficiency;
2, the middle frame support adopts the open linking body structure of many columns, under the prerequisite that does not influence mechanical strength, can reduce to greatest extent by connecting support and transmit the temperature rise that heat causes; Connect base plate on the pump shaft, the bearing place arranges cooling jacket, to the further heat radiation of pump shaft surface, improves radiating effect.
The pump shaft of the utility model between the high-temperature melting salt pump pump housing and bearing housing adopts the composite radiating structure of the design of thermal resistance fault trough heat shielding and groups of fins design, the disconnected design of opening, thermal resistance and the pump shaft cooling water jecket of support are connected, realize heat radiation and the blocking-up of pump shaft surface heat of high temperature, it is simple in structure, the compound pump shaft that initiatively cools off of multi-pass, good heat dissipation effect can effectively avoid bearing to bear elevated temperature heat, prolong bearing working life, guarantee high-temperature melting salt pump stable operation.
Description of drawings
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the utility model embodiment two composite radiating structure schematic representation.
Among the figure: motor 1, motor frame 2, coupling 3, bearing housing 4, bearing housing water-cooling jacket 5, bearing 6, bearing (ball) cover 7, end cap water-cooling jacket 8, pump shaft 9, middle frame 10, middle frame water-cooling jacket 11, heat insulation annular groove 12, planar fins 13, base plate 14, connecting tube 15, pump cover 16, the pump housing 17, impeller 18, drain pipe 19, heat insulation spiral chute 20, distortion radiating fin 21.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment illustrated in fig. 1 one, a kind of composite radiating high-temperature melting salt pump comprises motor 1, motor frame 2, coupling 3, bearing housing 4, bearing 6, bearing (ball) cover 7, pump shaft 9, middle frame 10, planar fins 13, base plate 14, connecting tube 15, pump cover 16, the pump housing 17, impeller 18 and drain pipe 19.Motor 1 is connected on the bearing housing 4 through motor frame 2, motor 1 connects pump shaft 9 through coupling 3, bearing housing 4 is connected in base plate 14 1 sides by middle frame 10, the pump housing 17 is connected in base plate 14 opposite sides, pump shaft 9 one ends are bearing on the bearing housing 4 through bearing 6, the other end passes the impeller 18 of connecting tube 15 in impeller nut is connected in the pump housing 17 that is connected between the pump housing 17 and the base plate 14, the pump housing 17 is communicated with the drain pipe 19 that is fixed on the base plate 14, pump shaft 9 is provided with multiple tracks along heat insulation annular groove 12 and the above planar fins 13 of a slice of pump shaft circumferencial direction in the middle frame 10, middle frame 10 is the open linking body structures of many columns, and many columns are provided with heat insulation annular groove peace face radiating fin; Bearing housing 4 outer ends of middle frame end are through bearing (ball) cover 7 encapsulation bearings 6, bearing (ball) cover 7 is provided with the end cap water-cooling jacket 8 that contacts with pump shaft 9, be provided with the bearing housing water-cooling jacket 5 that disjunctor contacts on bearing housing, with pump shaft 9 in the bearing housing 4 of middle frame end, the middle frame of base plate end is provided with the middle frame water-cooling jacket 11 that disjunctor contacts on middle frame, with pump shaft 9.
Embodiment illustrated in fig. 2 two, pump shafts 9 are provided with along pump shaft axially around heat insulation spiral chute 20 and many group groups of fins of pump shaft circumference in the middle frame 10, groups of fins is connected on the pump shaft 9 with distortion radiating fin 21 spacer sleeve successively by planar fins 13 to be formed, and all the other structures are identical in embodiment one.
Claims (6)
1. composite radiating high-temperature melting salt pump, comprise motor, the pump housing, impeller, pump shaft, bearing housing, middle frame and base plate, motor is connected on the bearing housing through the motor frame, motor connects pump shaft through coupling, bearing housing is connected in base plate one side by middle frame, the pump housing is connected in the base plate opposite side, pump shaft one end is bearing on the bearing housing through bearing, the impeller of the other end in impeller nut is connected in the pump housing, it is characterized in that: pump shaft is provided with heat dam group and groups of fins in the described middle frame, the heat dam group comprise multiple tracks along the heat insulation annular groove of pump shaft circumferencial direction and/or along pump shaft axially around the heat insulation spiral chute of pump shaft circumference, groups of fins comprises the above planar fins of a slice and/or the above distortion radiating fin of a slice.
2. a kind of composite radiating high-temperature melting salt pump according to claim 1, it is characterized in that: be socketed with the water-cooling jacket more than on the described pump shaft, the water-cooling jacket disjunctor is located at middle frame near base plate one end, or water-cooling jacket is located at middle frame one end away from base plate, or the water-cooling jacket disjunctor is located in the bearing housing.
3. a kind of composite radiating high-temperature melting salt pump according to claim 1 is characterized in that: the described pump housing is communicated with the drain pipe that is fixed on the base plate.
4. a kind of composite radiating high-temperature melting salt pump according to claim 1, it is characterized in that: described middle frame is the open linking body structures of many columns.
5. a kind of composite radiating high-temperature melting salt pump according to claim 1 is characterized in that: described groups of fins is connected on the pump shaft by planar fins and distortion radiating fin spacer sleeve successively to be formed.
6. a kind of composite radiating high-temperature melting salt pump according to claim 4, it is characterized in that: many columns of described middle frame are provided with heat dam group and groups of fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211939 CN203175998U (en) | 2013-04-24 | 2013-04-24 | Composite cooling high temperature molten salt pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211939 CN203175998U (en) | 2013-04-24 | 2013-04-24 | Composite cooling high temperature molten salt pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175998U true CN203175998U (en) | 2013-09-04 |
Family
ID=49072701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211939 Expired - Fee Related CN203175998U (en) | 2013-04-24 | 2013-04-24 | Composite cooling high temperature molten salt pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206384A (en) * | 2013-04-24 | 2013-07-17 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump with composite heat-dissipation structure |
-
2013
- 2013-04-24 CN CN 201320211939 patent/CN203175998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206384A (en) * | 2013-04-24 | 2013-07-17 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump with composite heat-dissipation structure |
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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: 20130904 Termination date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |