CN204921452U - Hot water circulating pump bearing box in area cooling chamber - Google Patents
Hot water circulating pump bearing box in area cooling chamber Download PDFInfo
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- CN204921452U CN204921452U CN201520664592.7U CN201520664592U CN204921452U CN 204921452 U CN204921452 U CN 204921452U CN 201520664592 U CN201520664592 U CN 201520664592U CN 204921452 U CN204921452 U CN 204921452U
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- cooling chamber
- bearing housing
- bearing box
- hot water
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Abstract
The utility model relates to a hot water circulating pump bearing box in area cooling chamber, including the bearing box, the inlet channel has been seted up to the bearing box top, and the bearing box below has seted up outlet conduit, and the bearing box outside is provided with the cooling chamber, and there is cooling chamber gland in the cooling chamber through the bolt fastening, and outlet conduit, inlet channel and cooling chamber communicate with each other, and the cooling chamber be the ring type, and just cool off intracavity portion and follow the circumferencial direction and evenly be provided with the multiunit floor, the utility model discloses simple structure, the good just practicality height of heat dissipation.
Description
Technical field
The utility model relates to metallurgy, electric power, petrochemical industry, residual heat and energy utilize pipeline in system or loop device technique field, particularly relate to a kind of hot water circuit pump bearing box with cooling chamber.
Background technique
In the fields such as metallurgy, power station, chemical industry, residual heat and energy, major part can need to use water pump for the hot water circuit in pipeline in system or loop.Ordinary cycle pump does not have cooling unit, and its mechanical seal and bearing cannot bear high temperature media and damage, and ordinary cycle pump cannot meet the service condition of conveying high-temp liquid system at all, and therefore hot water circulating pump has had good application prospect.
Using more is in the market increase cavity at pump postoperculum and connect water cooling labyrinth, reduce the temperature of pump cover, but the temperature of conveying hot water is usually less than 230 DEG C, exceed this temperature, hot water circulating pump cannot steady in a long-term run, and its main cause is that the heat that water-band walks that is not cooled is delivered to bearing housing, causes bearing housing temperature too high, usual bearing temperature rise must not exceed ambient temperature 35 DEG C, and maximum temperature must not more than 75 DEG C.Therefore be necessary to take to force cooling method to bearing housing, make its safe and stable operation, improve maximum temperature and the operation stability thereof of hot water circuit transport pump hot water.
Prior art is to the radiating fin in the improvement of hot water circuit pump bearing box mainly bearing housing, positioning rod in water cooling chamber and accumulator controls the aspects such as the position of location disc, such as CN202612183U bearing body part for high-temperature high-pressure hot-water circulating pump, comprise the bearing housing be set on main shaft, deep groove ball bearing is set with between end and main shaft about bearing housing inwall, the angular contact ball bearing that three combinations are installed, deep groove ball bearing, the bearing housing end of angular contact ball bearing outer end is separately installed with left bearing gland, right bearing gland, the bearing housing of left bearing gland periphery is provided with cooling bath, cooling bath outlet end is provided with water-cooled pressing plate for sealing and forms cooling chamber, be provided with accumulator in bearing housing, the spindle outer wall spacer sleeve in accumulator is equipped with disc, and bearing housing outer wall is provided with to screw and enters positioning rod spaced apart in accumulator, and positioning rod is between disc.This model utility bearing housing outside is designed with radiating fin; Periphery, bearing housing one end is designed with water cooling chamber, can better cooling bearing case; Bearing housing accumulator is comparatively large, and deep groove ball bearing and three combine the angular contact ball bearing installed can balancing axial load or radial load well; Positioning rod can control to locate the position of disc, ensures that bearing fuel feeding is timely, ensure that temperature stabilization and the thermal expansion problem that do not produce.
Although this patent comparatively conventional hot water's recycle pump bearing housing has made improvement, complicated structure, be not easy to manufacturing, also improvement do not made to the stability of cooling chamber in bearing housing and the aspect such as thermal boundary layer, strengthening fluid heat-transfer effect.
Model utility content
The purpose of this utility model is to provide a kind of hot water circuit pump bearing box with cooling chamber, solves the technical problem that mechanical seal of the prior art and bearing cannot bear high temperature media and damage;
The technological scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of hot water circuit pump bearing box with cooling chamber, comprise bearing housing, intake pipe is offered above described bearing housing, and offer outlet conduit below bearing housing, described bearing housing arranged outside has cooling chamber, and described cooling chamber has been bolted cooling chamber gland, and described outlet conduit, intake pipe communicate with cooling chamber, described cooling chamber is circular shape, and cooling chamber circumferential direction inside direction is evenly provided with and organizes floor more;
On the basis of technique scheme, the utility model can also do following improvement:
Further, described outlet conduit, intake pipe are T-shaped, adopt the beneficial effect of this step to be that such current, when flowing, can reduce flow velocity by designing T-shaped by outlet conduit and intake pipe, thus ensure that bearing housing can fully dispel the heat;
Further, inside described floor upper end and cooling chamber, leave gap, adopt the beneficial effect of this step to be the thermal boundary layer being destroyed cooling chamber inner wall surface by the floor of setting, the heat exchange between strengthening fluid and internal face;
Further, the height of described floor is 0.5 times of cooling chamber height, and described floor length is consistent with the width of cooling chamber, adopts the beneficial effect of this step to be convenient to like this cool cooling chamber, reduces the temperature of bearing housing;
Further, the number of described floor is 18, and thickness is 5mm, adopts the beneficial effect of this step to be improve cooling effect;
The utility model directly the end of bearing housing is provided with cooling chamber, for the temperature to reduction bearing housing, because operationally, the heat that the not cooled water-band of hot water circulating pump is walked is delivered to bearing housing, cause bearing housing temperature too high, usual bearing temperature rise can not more than 35 DEG C, so need to lower the temperature to bearing housing;
Cooling chamber is provided with in the utility model, by cooling chamber, bearing housing is lowered the temperature, intake pipe is provided with above bearing housing, outlet conduit is provided with below bearing housing, by adding cooling water in intake pipe, then cooling water has intake pipe to enter cooling chamber, cools bearing housing, and the cooling water of then heating from outlet conduit out;
Intake pipe in the utility model, outlet conduit are T-shaped, then intake pipe, outlet conduit communicate with bearing housing, because if intake pipe straight line communicates with cooling chamber, such cooling water directly can enter in cooling chamber with very fast speed, cannot ensure that fluid fully contacts with cavity, thus realize lowering the temperature to bearing housing;
Intake pipe in the utility model is T-shaped, and such cooling water is in the process entering cooling chamber, and flow velocity can reduce, and improves cooling effect;
Cooling chamber design of the present utility model becomes annulus, is corresponding with bearing housing like this, is convenient to dispel the heat to bearing housing;
The utility model is along the circumferential direction evenly provided with at cooling chamber and organizes floor more, is destroyed by the thermal boundary layer of floor to cooling chamber inside, thus the heat exchange of strengthening cooling water and cooling chamber inwall, improve heat transfer effect;
The utility model limits the quantity of floor, height and thickness, guarantees that floor can strengthen heat exchanging process, improves heat transfer effect;
The beneficial effects of the utility model:
1. the utility model has cooling chamber in bearing housing arranged outside, is cooled bearing housing by cooling chamber, reduces the temperature of bearing housing, improves the cooling effect of bearing housing;
2. the utility model is provided with intake pipe above bearing housing, below bearing housing, being provided with outlet conduit, by designing the structure of intake pipe and outlet conduit, reducing the flow velocity of cooling water, ensure that cooling water fully contacts with cooling chamber, improve cooling effect;
3. cooling chamber is designed to circular shape by the utility model, is conducive to like this cooperatively interacting with bearing housing and cooling chamber;
4. the utility model is evenly provided with at the circumferencial direction of cooling chamber and organizes floor more, is destroyed by the thermal boundary layer of floor to cooling chamber inside, thus the heat exchange of strengthening cooling water and cooling chamber inwall, improve heat transfer effect;
5. the utility model designs the number of floor, height and width, ensures the cooling effect of cooling chamber, improves heat exchange efficiency;
6. simple, the good effect of heat exchange of the utility model structure and practicability is high.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of hot water circuit pump bearing box with cooling chamber described in the utility model specific embodiment;
Fig. 2 is the floor layout plan of a kind of hot water circuit pump bearing box with cooling chamber described in the utility model specific embodiment;
In accompanying drawing, the list of parts representated by each label is as follows:
1, bearing housing;
2, cooling chamber;
3, bolt;
4, cooling chamber gland;
5, intake pipe;
6, outlet conduit;
7, floor.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The utility model has cooling chamber in bearing housing arranged outside, is cooled bearing housing by cooling chamber, reduces the temperature of bearing housing, improves the cooling effect of bearing housing; The utility model is provided with intake pipe above bearing housing, below bearing housing, being provided with outlet conduit, by designing the structure of intake pipe and outlet conduit, reducing the flow velocity of cooling water, ensure that cooling water fully contacts with cooling chamber, improve cooling effect; Cooling chamber is designed to circular shape by the utility model, is conducive to like this cooperatively interacting with bearing housing and cooling chamber; The utility model is evenly provided with at the circumferencial direction of cooling chamber and organizes floor more, is destroyed by the thermal boundary layer of floor to cooling chamber inside, thus the heat exchange of strengthening cooling water and cooling chamber inwall, improve heat transfer effect; The utility model designs the number of floor, height and width, ensures the cooling effect of cooling chamber, improves heat exchange efficiency; The utility model structure is simple, good effect of heat exchange and practicability is high.
Embodiment:
With a hot water circuit pump bearing box for cooling chamber, comprise bearing housing 1, described bearing housing 1 arranged outside has cooling chamber 2, and described cooling chamber 2 is fixed with cooling chamber gland 4 by bolt 3;
In use, carrying out cooling chamber 2 by cooling chamber 2 pairs of bearing housings 1, in order to ensure sealing, having cooling chamber gland 4 in cooling chamber 2 arranged outside, be fixed by bolt 3 pairs of cooling chamber glands 4, ensure that the stability of structure;
Described cooling chamber 2 is circular shape;
In use, by designing the structure of cooling chamber 2, thus ensure that cooling chamber 2 matches with bearing housing 1;
Offer intake pipe 5 above described bearing housing 1, and offer outlet conduit 6 below bearing housing 1;
In use, by intake pipe 5 and outlet conduit 6, add cooling water at intake pipe 5, so just can form cooling water circulation, cooling chamber 2 is cooled;
Described outlet conduit 6, intake pipe 5 communicate with cooling chamber 2, and described outlet conduit 6, intake pipe 5 are T-shaped;
In use, intake pipe 5 and outlet conduit 6 are designed, because if intake pipe 5 is straight line type, communicate with cooling chamber 2, such cooling water directly can enter in cooling chamber 2 with very fast speed, cannot ensure that fluid fully contacts with cavity, thus realizes lowering the temperature to bearing housing, by the T-shaped flow velocity that can reduce intake pipe 5 and outlet conduit 6, improve heat transfer effect;
Wherein, described cooling chamber 2 circumferential direction inside direction is evenly provided with many group floors 7;
In use, destroyed by the thermal boundary layer of floor 7 pairs of cooling chamber 2 inside, thus the heat exchange of strengthening cooling water and cooling chamber 2 inwall, improve heat transfer effect;
Wherein, gap is left inside described floor 7 upper end and cooling chamber 2;
In use, destroyed by the thermal boundary layer of floor 7 pairs of cooling chamber 2 inner surfaces, if not leaving gap, directly can contact with cooling chamber 2 inner surface, the effect of the heat exchange between strengthening fluid and internal face cannot be reached;
Wherein, the height of described floor 7 is 0.5 times of cooling chamber 2 height, and described floor 7 length is consistent with the width of cooling chamber 2;
Wherein, the number of described floor is 18, and thickness is 5mm;
The utility model limits the quantity of floor, height and thickness, guarantees that floor can strengthen heat exchanging process, improves heat transfer effect;
The foregoing 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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the hot water circuit pump bearing box with cooling chamber, comprise bearing housing, it is characterized in that, offer intake pipe above described bearing housing, and offer outlet conduit below bearing housing, described bearing housing arranged outside has cooling chamber, described cooling chamber has been bolted cooling chamber gland, described outlet conduit, intake pipe communicate with cooling chamber, and described cooling chamber is circular shape, and cooling chamber circumferential direction inside direction is evenly provided with and organizes floor more.
2. a kind of hot water circuit pump bearing box with cooling chamber according to claim 1, it is characterized in that, described outlet conduit, intake pipe are T-shaped.
3. a kind of hot water circuit pump bearing box with cooling chamber according to claim 2, is characterized in that, leave gap inside described floor upper end and cooling chamber.
4. a kind of hot water circuit pump bearing box with cooling chamber according to claim 3, is characterized in that, the height of described floor is 0.5 times of cooling chamber height, and described floor length is consistent with the width of cooling chamber.
5. a kind of hot water circuit pump bearing box with cooling chamber according to claim 4, is characterized in that, the number of described floor is 18, and thickness is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664592.7U CN204921452U (en) | 2015-08-28 | 2015-08-28 | Hot water circulating pump bearing box in area cooling chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664592.7U CN204921452U (en) | 2015-08-28 | 2015-08-28 | Hot water circulating pump bearing box in area cooling chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921452U true CN204921452U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664592.7U Active CN204921452U (en) | 2015-08-28 | 2015-08-28 | Hot water circulating pump bearing box in area cooling chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065319A (en) * | 2015-08-28 | 2015-11-18 | 江苏永一泵业科技集团有限公司 | Hot water circulating pump bearing box with cooling cavity |
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2015
- 2015-08-28 CN CN201520664592.7U patent/CN204921452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065319A (en) * | 2015-08-28 | 2015-11-18 | 江苏永一泵业科技集团有限公司 | Hot water circulating pump bearing box with cooling cavity |
| CN105065319B (en) * | 2015-08-28 | 2017-12-01 | 江苏永一泵业科技集团有限公司 | A kind of hot water circuit pump bearing box with cooling chamber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |