CN203770228U - High-temperature-resistant mechanical sealing cooling device for hot water circulating pump - Google Patents
High-temperature-resistant mechanical sealing cooling device for hot water circulating pump Download PDFInfo
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- CN203770228U CN203770228U CN201420151947.8U CN201420151947U CN203770228U CN 203770228 U CN203770228 U CN 203770228U CN 201420151947 U CN201420151947 U CN 201420151947U CN 203770228 U CN203770228 U CN 203770228U
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- mechanical sealing
- pump
- axle
- cover
- refrigerating device
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Abstract
The utility model relates to a high-temperature-resistant mechanical sealing cooling device for a hot water circulating pump. The high-temperature-resistant mechanical sealing cooling device comprises a pump, an impeller, a mechanical sealing gland and a mechanical sealing cooling device. A pump cover and a shaft are respectively mounted on the outside and the inside of the pump, a throat bushing and a shaft sleeve respectively sleeve the pump cover and the shaft, a first cooling chamber cover is arranged on the lower portion of the rear side of the pump, and a second cushion sleeves a position between the first cooling chamber cover and the pump; the impeller is inserted in the front end of the shaft by a key and is fixed to the shaft by the aid of an impeller nut, and an impeller sealing ring sleeves the front end of the impeller; the mechanical sealing gland is arranged in the pump cover and is positioned above the shaft; the mechanical sealing cooling device is mounted on the upper portion of the mechanical sealing gland via a circulating spiral pipe, and a rear spiral portion of the circulating spiral pipe is arranged in the mechanical sealing cooling device. The high-temperature-resistant mechanical sealing cooling device has the various advantages that the structure of the mechanical sealing cooling device is changed, so that the mechanical sealing radiating performance can be improved for the hot water circulating pump, a good cooling effect can be realized, the high-temperature-resistant mechanical sealing cooling device is convenient to mount, and the like.
Description
Technical field
The utility model relates to a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device.
Background technique
In general, for such as cooling unit is installed on the pump housing, it can improve the high temperature resistant degree of the pump housing.
Chinese patent model utility specification CN201896758U, within open day, be: 2011-07-13, a kind of hot water circulating pump, comprise the pump housing, pump seat, main shaft, impeller, the pump housing is installed on pump seat, in the water inlet oral cavity of the pump housing, main shaft anti-drive end is provided with impeller, impeller center is provided with ladder hole, impeller nut is hat, shade is provided with multidiameter shaft shape, inwall is provided with cavity, main shaft screws through impeller and impeller nut, impeller outside is provided with pump cover, the drive end of main shaft is provided with bearing support, between bearing support and main shaft, be provided with bearing, bearing support downside is provided with support, between bearing support and pump cover, be provided with intermediate support, bearing support is provided with cooling chamber one, intermediate support is provided with cooling chamber two, it is 24CrMoV that main shaft adopts material, it is Cr12MoTi that impeller nut adopts material.The utlity model has novel structure, easily manufactured, shaft seal is effective, has extended the working life of main shaft and pump.But, while adopting this hot water circulating pump its there is no special cooling unit be water pump cooling, in long-play, the shortcomings such as easily cause that the damage of water pump maybe cannot move.
Model utility content
For the deficiency existing in the problems referred to above, the utility model provides a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device.
For achieving the above object, the utility model provides a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device, the pump housing, the described pump housing is outside is separately installed with pump cover and axle with inside, described pump cover and axle Shang Haitaoyou throat's lining and axle sleeve, after the described pump housing, side lower part is provided with cooling chamber cap one, and cover has pad two between described cooling chamber cap one and the pump housing; Impeller assigns into the front end of described axle by key, described impeller and described axle are fixed by impeller nut, and described impeller front end sleeve has impeller ring; Mechanical seal cover is arranged in the pump cover of described axle top; Mechanical sealing and refrigerating device is arranged on described mechanical seal cover top by circulation helical tube, the spiral part at described circulation helical tube rear portion is arranged in described mechanical sealing and refrigerating device, pressure gauge and venting valve are installed on the circulation helical tube of described mechanical sealing and refrigerating device outside, described mechanical sealing and refrigerating device top and bottom have external coolant outlet and drain opening, and described mechanical sealing and refrigerating device rear portion has external cooling water intake.
Further, described axle middle part is provided with suspension body, between described suspension body and axle, deep groove ball bearing is installed, and on the axle of described suspension body rear side, cover has snap ring, and top, described axle rear portion is plugged with porous plug, and on described axle, also cover has oil thrower; Angular contact bearing is arranged on the rear portion of described axle, and on the axle at described angular contact bearing rear portion, also cover has pad one and lock washer.
Further, described pump body installed in front has casing ring.
Further, described pump cover and pump housing joint are provided with wound gasket.
Further, on the pump housing of described axle middle part upside, cooling chamber cap two is also installed, and has O RunddichtringO in two times square sets of described cooling chamber cap.
Further, the rear portion of described axle is provided with rear pressing cover, round nut, flinger ring and dust cover.
The beneficial effects of the utility model are: improve hot water pump heat radiation by changing the structure of mechanical sealing and refrigerating device, good cooling results, the plurality of advantages such as easy for installation.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device of the utility model
Figure;
Fig. 2 is the flushing signal of a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device of the utility model.
In figure: 1, impeller nut; 2, casing ring; 3, impeller ring; 4, impeller; 5, the pump housing; 6, key; 7, throat's lining; 8, wound gasket; 9, pump cover; 10, cooling chamber cap two; 11, O RunddichtringO; 12, axle sleeve; 13, mechanical seal cover; 14, suspension body; 15, deep groove ball bearing; 16, snap ring; 17, porous plug; 18, axle; 19, oil thrower; 20, angular contact bearing; 21, pad one; 22, lock washer; 23, round nut; 24, gland; 25, flinger ring; 26, dust cover; 27, pad two; 28, cooling chamber cap one; 29, pressure gauge; 30, venting valve; 31, external coolant outlet; 32, circulation helical tube; 33, external cooling water intake; 34, drain opening, 35, mechanical sealing and refrigerating device.
Embodiment
As shown in Figure 1-2, a kind of high temperature resistant hot water circulation pump mechanical sealing and refrigerating device described in the utility model embodiment, the pump housing 5, the described pump housing 5 is outside is separately installed with pump cover 9 and axle 18 with inside, described pump cover 9 and axle 18 Shang Haitaoyou throat linings 7 and axle sleeve 12, the rear side lower part of the described pump housing 5 is provided with cooling chamber cap 1, and cover has pad 2 27 between described cooling chamber cap 1 and the pump housing 5; Impeller 4 assigns into the front end of described axle 18 by key 6, described impeller 4 is fixing by impeller nut 1 with described axle 18, and described impeller 4 front end sleeves have impeller ring 3; Mechanical seal cover 13 is arranged in the pump cover 9 of described axle 18 tops; Mechanical sealing and refrigerating device 35 is arranged on described mechanical seal cover 13 tops by circulation helical tube 32, the spiral part at described circulation helical tube 32 rear portions is arranged in described mechanical sealing and refrigerating device 35, pressure gauge 29 and venting valve 30 are installed on the circulation helical tube 32 of described mechanical sealing and refrigerating device 35 outsides, described mechanical sealing and refrigerating device 35 tops and bottom have external coolant outlet 31 and drain opening 34, and described mechanical sealing and refrigerating device 35 rear portions have external cooling water intake 33.Described axle 18 middle parts are provided with suspension body 14, between described suspension body 14 and axle 18, deep groove ball bearing 15 are installed, and on the axle 18 of described suspension body 14 rear sides, cover has snap ring 16, and described axle 18 tops, rear portion are plugged with porous plug 17, and on described axle 18, also cover has oil thrower 19; Angular contact bearing 20 is arranged on the rear portion of described axle 18, and on the axle 18 at described angular contact bearing 20 rear portions, also cover has pad 1 and lock washer 22, and the described pump housing 5 inner front side are provided with casing ring 2.Described pump cover 9 is provided with wound gasket 8 with the pump housing 5 joints.Cooling chamber cap 2 10 is also installed on the pump housing 5 of described axle 18 middle part upsides, and has O RunddichtringO 11 in 2 10 times square sets of described cooling chamber cap.The rear portion of described axle 18 is provided with rear pressing cover 24, round nut 23, flinger ring 25 and dust cover 26.The pressure-bearing shell such as the pump housing, pump cover is ZG230-450 cast steel, and impeller is ZG1Cr13 stainless steel alloy, and pump shaft and bolt are high temperature resistant 35CrMo, and impeller ring is 3Cr13.The state type balanced mechanical seal with pumping mechanism is selected in sealing, and bearing adopts Sweden SKF imported bearing.And join the fabulous mechanical sealing and refrigerating device of cooling effect and the circulatory system.
When concrete use: the structure of high temperature resistant hot water circulation pump adopts the centrifugal process pump of single stage single suction cantilever type, by the pump housing, pump cover, impeller, axle, bearing suspension body component, high temperature high voltage resistant mechanical seal with pumping booster body and rinse the critical pieces such as cooling system, flexible membrane lengthened coupling, pump support and base and form.The design middle pump body of pump adopts radially subdivision, and axially level sucks, and outlet vertically spues.Supporting way is that horizontal center line supports, and makes the pump distortion that rising-heat contracting-cold produces under high-temperature condition and displacement for minimum.Sealing between the pump housing, pump cover adopts static seal spiral wound gasket.The operating mode of hot water pump is High Temperature High Pressure, therefore necessary heeling pump is stressed.In pump housing design, its outlet passage is designed to two volute casings, symmetrical 180 degree of two water outlet volute casings arrange so that the radial force of pump is balanced, Impeller Design by equalizing orifice and impeller before the pressure difference of seal ring and the poor generation of increasing back sealing ring diameter carry out the axial force of ballast pump.The operating conditions of metallurgy industry hot water pump is generally 250 DEG C of medium temperatures, working pressure 4MPa, and in the time of design pump, pressure-bearing grade should be 6.4MPa, 280 DEG C of heatproofs.In the pump support of hot water pump, be also designed with waterway, prevent that the heat of pump is transmitted to motor side by base, normally move thereby affect motor.
Pump design middle (center) bearing box part is the supporting part of rotor, and a set of radial ball bearing and a pair of thrust ball bearing of installing are back-to-back housed in it, can bear remaining radial force and axial force, and bearing adopts disc lubricated, and oil mass is moderate.Bearing suspension two ends are furnished with copper flinger ring and dust cover.Not only can prevent that dust and moisture content from entering but also can prevent that oil from leaking, in the time of bearing cracking, it also can be played a supporting role.Radial bearing place is installed on bearing housing and has designed annular water-cooling jacket, play heat insulation and cooling action, be provided with waterway with cutting oil in the bottom of oil chamber, thereby make bearing housing there is sufficient cooling system, ensure the lubricity at high temperature condition lower bearing.Bearing support is equipped with transparent plastic circular oil scale and automatic repairing lubricating cup simultaneously, can monitoring and controlling oil level.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, device etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a high temperature resistant hot water circulation pump mechanical sealing and refrigerating device, is characterized in that, comprising:
The pump housing (5), the described pump housing (5) is outside is separately installed with pump cover (9) and axle (18) with inside, described pump cover (9) and axle (18) Shang Haitaoyou throat lining (7) and axle sleeve (12), after the described pump housing (5), side lower part is provided with cooling chamber cap one (28), and cover has pad two (27) between described cooling chamber cap one (28) and the pump housing (5);
Impeller (4) assigns into the front end of described axle (18) by key (6), described impeller (4) is fixing by impeller nut (1) with described axle (18), and described impeller (4) front end sleeve has impeller ring (3);
Mechanical seal cover (13) is arranged in the pump cover (9) of described axle (18) top;
Mechanical sealing and refrigerating device (35) is arranged on described mechanical seal cover (13) top by circulation helical tube (32), the spiral part at described circulation helical tube (32) rear portion is arranged in described mechanical sealing and refrigerating device (35), pressure gauge (29) and venting valve (30) are installed on the circulation helical tube (32) of described mechanical sealing and refrigerating device (35) outside, described mechanical sealing and refrigerating device (35) top and bottom have external coolant outlet (31) and drain opening (34), described mechanical sealing and refrigerating device (35) rear portion has external cooling water intake (33).
2. high temperature resistant hot water circulation pump mechanical sealing and refrigerating device according to claim 1, it is characterized in that: described axle (18) middle part is provided with suspension body (14), between described suspension body (14) and axle (18), deep groove ball bearing (15) is installed, the upper cover of axle (18) of described suspension body (14) rear side has snap ring (16), top, described axle (18) rear portion is plugged with porous plug (17), and on described axle (18), also cover has oil thrower (19);
Angular contact bearing (20) is arranged on the rear portion of described axle (18), and on the axle (18) at described angular contact bearing (20) rear portion, also cover has pad one (21) and lock washer (22).
3. high temperature resistant hot water circulation pump mechanical sealing and refrigerating device according to claim 1, is characterized in that: the described pump housing (5) inner front side is provided with casing ring (2).
4. high temperature resistant hot water circulation pump mechanical sealing and refrigerating device according to claim 1, is characterized in that: described pump cover (9) is provided with wound gasket (8) with the pump housing (5) joint.
5. high temperature resistant hot water circulation pump mechanical sealing and refrigerating device according to claim 1, it is characterized in that: on the pump housing (5) of described axle (18) middle part upside, cooling chamber cap two (10) is also installed, and has O RunddichtringO (11) in described cooling chamber cap two (10) times square sets.
6. high temperature resistant hot water circulation pump mechanical sealing and refrigerating device according to claim 1, is characterized in that: the rear portion of described axle (18) is provided with rear pressing cover (24), round nut (23), flinger ring (25) and dust cover (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151947.8U CN203770228U (en) | 2014-03-31 | 2014-03-31 | High-temperature-resistant mechanical sealing cooling device for hot water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151947.8U CN203770228U (en) | 2014-03-31 | 2014-03-31 | High-temperature-resistant mechanical sealing cooling device for hot water circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770228U true CN203770228U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151947.8U Expired - Fee Related CN203770228U (en) | 2014-03-31 | 2014-03-31 | High-temperature-resistant mechanical sealing cooling device for hot water circulating pump |
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| CN (1) | CN203770228U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156362A (en) * | 2015-09-30 | 2015-12-16 | 无锡惠山泵业有限公司 | Radiating dustproof waterproof water pump |
| CN109139541A (en) * | 2018-09-30 | 2019-01-04 | 陕西科技大学 | It is a kind of for conveying the liquid pump of condensed water |
| CN109505776A (en) * | 2018-11-30 | 2019-03-22 | 江苏维尔特泵业有限公司 | A kind of heat-exchanger pump with heat exchanger |
-
2014
- 2014-03-31 CN CN201420151947.8U patent/CN203770228U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156362A (en) * | 2015-09-30 | 2015-12-16 | 无锡惠山泵业有限公司 | Radiating dustproof waterproof water pump |
| CN109139541A (en) * | 2018-09-30 | 2019-01-04 | 陕西科技大学 | It is a kind of for conveying the liquid pump of condensed water |
| CN109505776A (en) * | 2018-11-30 | 2019-03-22 | 江苏维尔特泵业有限公司 | A kind of heat-exchanger pump with heat exchanger |
| CN109505776B (en) * | 2018-11-30 | 2023-12-29 | 江苏维尔特泵业有限公司 | Hot water pump with heat exchanger |
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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: 20140813 Termination date: 20150331 |
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| EXPY | Termination of patent right or utility model |