CN203146430U - High-temperature self-cooling hot water circulation pump - Google Patents
High-temperature self-cooling hot water circulation pump Download PDFInfo
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- CN203146430U CN203146430U CN 201320081140 CN201320081140U CN203146430U CN 203146430 U CN203146430 U CN 203146430U CN 201320081140 CN201320081140 CN 201320081140 CN 201320081140 U CN201320081140 U CN 201320081140U CN 203146430 U CN203146430 U CN 203146430U
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Abstract
The utility model relates to a high-temperature self-cooling hot water circulation pump. According to the high-temperature self-cooling hot water circulation pump, a conveyed high-temperature medium is led to a cooling structure consisting of a heat insulation air passage, a maze cooling passage, heat radiation fins and a cooling fan, the high-temperature medium is efficiently cooled through the cooling structure to become a normal-temperature liquid medium, mechanical seals for the pump are cooled by the normal-temperature liquid medium, and the normal-temperature liquid medium and the air passage are adopted for carrying out heat isolation on bearings, so the self-cooling goal is reached. The technical scheme of the high-temperature self-cooling hot water circulation pump is adopted, the bearings and the mechanical seals for the pump are cooled, the external connection of cooling water is not needed, the condition of pump burnout caused by sudden water failure is avoided, convenience is brought for users, energy sources are saved, and in addition, the structure is simple.
Description
Technical field
The utility model relates to the technical field of pump, is specifically related to hot water circulating pump, and especially a kind of high temperature is from cooling off hot water circulating pump.
Background technique
In industries such as metallurgy, electric power, light textile, oil, chemical industry, chemical fertilizer, pharmacy, papermaking, environmental protection, rubber, heating, UTILIZATION OF VESIDUAL HEAT IN, all can use the hot water circulating pump of carrying thermal medium.Because what hot water circulating pump was carried is high temperature media, medium temperature generally is higher than 220 ℃, and high temperature media will cause that the bulk temperature of pump is increased to more than 220 ℃ to the heat transferred pump, so also just influenced each parts working environment of pump, the safe operation of pump has been affected.
It especially influences bigger to the axle envelope of pump and the reliable operation of bearing.The axle envelope of pump adopts mechanical seal, and the operating temperature of conventional mechanical sealing generally requires less than 110 ℃, and the bearing of pump adopts the metal roller bearing, and the operating ambient temperature of common metal roller bearing is the highest can not to be higher than 75 ℃.Thereby for the hot water circulating pump of carrying high temperature media, in order to guarantee the reliable operation of pump, must take cooling method to mechanical seal for pump and bearing.
Cooling method adopts usually forces cooling, forcing cooling is exactly to adopt external cooling water, mechanical seal for pump is washed with heat insulation, guarantee the mechanical seal operating temperature, simultaneously, adopt external cooling water that bearing housing is cooled off, the heat of bearing housing is taken away by cooling water, thereby guaranteed the bearing working environment, force the type of cooling to need a large amount of cooling waters but adopt, cooling water generally adopts tap water, cooling water can not stop constantly, and one stops to burn mechanical seal and bearing, and this has brought great inconvenience to the user, and not energy-conservation, waste energy.Thereby, also need further to improve for this pressure type of cooling of hot water circulating pump.
Summary of the invention
Adopt external cooling water to force the deficiency of the aspects such as can not cutting off the water and waste energy that the type of cooling brings in order to overcome hot water circulating pump, the utility model proposes a kind of high temperature from cooling off hot water circulating pump, it is from the cooling mode that its purpose is intended to improve the pressure type of cooling that has hot water circulating pump now, the medium of employing conveying is lubricated the pump shaft envelope and cools off exactly, carry out heat insulation and cooling to the bearing of pump, thereby reach and do not cut off the water and purpose of energy saving.
Know-why of the present utility model is the high temperature media of carrying to be guided to special cooling structure cool off, cooling structure is made up of heat insulation air channel, cooling channel, labyrinth, radiating fin and cooling fan, heat insulation air channel separates high temperature media and bearing, cooling channel, labyrinth, radiating fin and cooling fan cool off high temperature media, by this type of cooling high temperature media is cooled to normal temperature, again mechanical seal for pump and bearing are cooled off, thereby reach self cooled purpose.
Concrete technological scheme is, a kind of high temperature is from cooling off hot water circulating pump, its middle (center) bearing is located in the bearing support, main shaft is located in the bearing, bearing gland is fixed in the bearing support, mechanical seal is installed in main shaft and the bearing support, the guide shaft bearing is fixed on the bearing support, and guide bearing is located on the main shaft, is located in the guide shaft bearing, pump cover and guide shaft bearing are fixed, impeller is set on the main shaft by impeller key, and impeller is carried out axial restraint, and impeller nut is spun on the main shaft, counnter attack pivoted housing and impeller are compressed, impeller is carried out axial restraint, and impeller is installed in the pump housing, impeller and casing ring, casing wear ring cooperates to be installed, the pump housing and pump cover are fixed, and support is installed on the guide shaft bearing.
It comprises fan, bearing air channel, labyrinth channel and radiating fin from the cooling system.Fan be set in main shaft away from impeller one distolateral on, coolant outlet on the outlet(discharge) flange connects high-temperature conduit, high-temperature conduit is received in the import of the labyrinth channel on the bearing support, it is indoor that the outlet of labyrinth channel is led to mechanical seal by the normal temperature water pipe, the mechanical seal chamber is communicated with gap between main shaft and the guide shaft bearing, and the gap communicates with equalizing orifice on the impeller between main shaft and the guide shaft bearing.Be provided with labyrinth seal in the gap between main shaft and guide shaft bearing.
Fan is enclosed within on the main shaft by the fan key, and locking nut is locked at fan on the main shaft, and fan is provided with fan housing.
Be provided with the bearing air channel in the bearing support outer ring, many pieces of bearing radiating fin are housed in the bearing air channel.
Labyrinth channel is arranged on the outside, bearing air channel, is provided with labyrinth channel A dividing plate and labyrinth channel B dividing plate in the labyrinth channel.Labyrinth channel A dividing plate and labyrinth channel B dividing plate interlaced arrangement.
The labyrinth channel outside is provided with the cooling water radiating fin.
Adopt the technical solution of the utility model, adopt the medium of self carrying that mechanical seal for pump and bearing are cooled off, do not needed external cooling water, the situation that not existing cuts off the water supply suddenly burns pump makes things convenient for the user, energy saving, and simple in structure.
Description of drawings
A kind of high temperature of the present utility model shown in Figure 1 is from cooling off hot water circulating pump longitudinal section tectonic maps.
Figure 2 shows that M-M sectional view of Fig. 1.
The unfolded drawing along center line N-N of Fig. 1 shown in Figure 3.
1 is impeller nut among Fig. 1, the 2nd, impeller key, the 3rd, the counnter attack pivoted housing, the 4th, equalizing orifice, the 5th, casing ring, the 6th, impeller, the 7th, the pump housing, the 8th, outlet(discharge) flange, the 9th, coolant outlet, the 10th, pump cover, the 11st, casing wear ring, the 12nd, guide bearing, the 13rd, the guide shaft bearing, the 14th, labyrinth seal, the 15th, high-temperature conduit, the 16th, bearing support, the 17th, baffle plate, the 18th, the bearing air channel, the 19th, labyrinth channel, the 20th, the cooling water air channel, the 21st, the normal temperature water pipe, the 22nd, the labyrinth channel outlet, the 23rd, bearing, the 24th, fan, the 25th, fan housing, the 26th, main shaft, the 27th, the fan key, the 28th, locking nut, the 29th, bearing gland, the 30th, mechanical seal, the 31st, the mechanical seal chamber, the 32nd, the labyrinth channel import, the 33rd, support.
34 is bearing radiating fin, the 35th among Fig. 2, labyrinth channel A dividing plate, the 36th, labyrinth channel B dividing plate, the 37th, cooling water radiating fin.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3 embodiment of the present utility model is described further.
As shown in Figure 1, bearing 23 is arranged in the bearing support 16, main shaft 25 is located in the bearing 23, bearing gland 29 is fixed in the bearing support 16, mechanical seal 30 is installed in main shaft 26 and the bearing support 16, guide shaft bearing 13 is fixed on the bearing support 16, guide bearing 12 is arranged in main shaft 26 and is contained in the guide shaft bearing 13, and pump cover 10 is fixing with guide shaft bearing 13, and impeller 6 is set on the main shaft 26 by impeller key 2, circumferentially fixing, impeller nut 1 is spun on the main shaft 26, and counnter attack pivoted housing 3 and impeller 6 are compressed, and impeller 6 is carried out axial restraint, impeller 6 is installed in the pump housing 7, impeller 6 and casing ring 5, casing wear ring 11 cooperates installation.Casing ring 5, casing wear ring 11 play sealing effect, and pump cover 10 is fixing with the pump housing 7, and support 33 is installed on the guide shaft bearing 13.
During work, prime mover drives main shaft 26 rotations, main shaft 26 impeller 6 again rotates synchronously, the impeller 6 pumping high-temp liquid media of rotation, high-temp liquid medium work done by 6 pairs of conveyings of impeller, the high-temp liquid medium obtains energy from impeller 6, like this, the high-temp liquid medium that flows out from impeller 6 outlets has higher kinetic energy and pressure energy, high-temp liquid medium with elevated pressures flows out from the coolant outlet 9 on the outlet(discharge) flange 8, in the labyrinth channel import 32 on the high-temperature conduit 15 inflow bearing supports 16, enter labyrinth channel 19, runner is tortuous, high-temp liquid medium glide path in labyrinth channel 19 is longer, it is slower to flow, long glide path and the slower mobile heat that is conducive to outwards transmit, like this, labyrinth channel 19 is arranged on heat transferred bearing radiating fin 34 and the cooling water radiating fin 37 on the labyrinth channel 19 quickly and efficiently, thereby has reduced the temperature of the high-temp liquid medium that flows in the labyrinth channel 19.
Because the high-temp liquid medium flows in labyrinth channel 19, heat radiation, cause the temperature of bearing radiating fin 34 and cooling water radiating fin 37 to raise, in order to improve the efficient that high-temp liquid medium heat transmits in the labyrinth channel 19, need to reduce rapidly the temperature on bearing radiating fin 34 and the cooling water radiating fin 37.
The fan 24 that is enclosed within on the main shaft 26 rotates synchronously with main shaft 26 under the drive of rotary main shaft 26, fan 24 produces bigger air quantity, pressure is by being equipped with the air channel of many pieces of bearing radiating fin 34 and many pieces of cooling water radiating fin 37, heat on many pieces of bearing radiating fin 34 and the many pieces of cooling water radiating fin 37 is taken away, reduced the temperature on many pieces of bearing radiating fin 34 and the many pieces of cooling water radiating fin 37, under the forced air cooling effect of fan 24, constantly the heat of high-temp liquid medium in the labyrinth channel 19 is taken away by many pieces of bearing radiating fin 34 and many pieces of cooling water radiating fin 37, greatly reduce the temperature of high-temp liquid medium in the labyrinth channel 19, labyrinth channel to be arrived exports at 22 o'clock, the temperature of high-temp liquid medium has been cooled near normal temperature, can satisfy the cooling requirement of mechanical seal fully, like this, the liquid medium that labyrinth channel outlet 22 is flowed out is guided in the mechanical seal chamber 31 by mechanical seal water-cooling tube 21, liquid medium in the mechanical seal chamber 31 is the normal temperature medium just, with this normal temperature medium cooling and lubricating is carried out in mechanical seal 30, thereby guaranteed the working environment of mechanical seal 30, can make mechanical seal 30 safe and reliable long lifetime ground work, mechanical seal chamber 31 is communicated with gap between main shaft 26 and the guide shaft bearing 13, liquid medium behind mechanical seal 30 cooling and lubricatings is just flowed into gap between main shaft 26 and the guide shaft bearing 13, be provided with labyrinth seal 14 in the gap between main shaft 26 and guide shaft bearing 13, the liquid medium that gap between main shaft 26 and the guide shaft bearing 13 is gone in convection current plays throttling action, guarantee the needed pressure of mechanical seal 30 cooling and lubricatings, liquid medium by gap between main shaft 26 and the guide shaft bearing 13 flows into guide bearing 12, behind guide bearing 12, flow through equalizing orifice 4, get back to the import of impeller 6, pumped by impeller 6 again, so far, finish from pump discharge flange 8 and draw the high-temp liquid medium, again cooling and lubricating is carried out in mechanical seal 30 behind the high-temp liquid medium cooling, get back to the circulation of cooling certainly of impeller 6 imports at last.
Bearing 23 types of cooling are, mechanical seal chamber 31 is between the high temperature media and bearing 23 of pump conveying, normal temperature medium in the mechanical seal chamber 31 has separated the high temperature media of carrying, simultaneously, bearing 23 is contained in the bearing support 16, be provided with bearing air channel 18 in bearing support 16 outer rings, many pieces of bearing radiating fin 34 are housed in bearing air channel 18, bearing air channel 18 has isolated the high-temp liquid medium that flows in labyrinth channel 19, simultaneously, many pieces of bearing radiating fin 34 have been taken away the heat that bearing 23 work produce under the effect of fan 24 forced air coolings, thereby guaranteed the working environment of bearing 23, can make that bearing 23 is safe and reliable works for a long time.
Claims (7)
1. a high temperature is from cooling off hot water circulating pump, its middle (center) bearing (23) is located in the bearing support (16), main shaft (25) is located in the bearing (23), bearing gland (29) is fixed in the bearing support (16), mechanical seal (30) is installed in main shaft (26) and the bearing support (16), guide shaft bearing (13) is fixed on the bearing support (16), guide bearing (12) is located on the main shaft (26), be located in the guide shaft bearing (13), pump cover (10) is fixing with guide shaft bearing (13), impeller (6) is set on the main shaft (26) by impeller key (2), impeller nut (1) is spun on the main shaft (26), counnter attack pivoted housing (3) and impeller (6) are compressed, impeller (6) is installed in the pump housing (7), impeller (6) and casing ring (5), casing wear ring (11) cooperates to be installed, the pump housing (7) is fixing with pump cover (10), support (33) is installed on the guide shaft bearing (13), it is characterized in that, fan (24) is set on the main shaft (26), coolant outlet (9) on the described outlet(discharge) flange (8) connects high-temperature conduit (15), high-temperature conduit (15) is received in the import (31) of the labyrinth channel (19) on the bearing support (16), the outlet (22) of labyrinth channel (19) is led in the mechanical seal chamber (31) by normal temperature water pipe (21), mechanical seal chamber (31) is communicated with gap between main shaft (26) and the guide shaft bearing (13), and the gap is gone up equalizing orifice (4) with impeller (6) and communicated between main shaft (26) and the guide shaft bearing (13).
2. a kind of high temperature according to claim 1 is from cooling off hot water circulating pump, it is characterized in that, fan (24) is enclosed within on the main shaft (26) by fan key (27), and locking nut (28) is locked at fan (24) on the main shaft (26), and fan (24) is provided with fan housing (25).
3. high temperature according to claim 1 is characterized in that: be provided with bearing air channel (18) in bearing support (16) outer ring, in bearing air channel (18) many pieces of bearing radiating fin (34) be housed from cooling off hot water circulating pump.
4. a kind of high temperature according to claim 3 is from cooling off hot water circulating pump, it is characterized in that, it is characterized in that: labyrinth channel (19) is arranged on the outside, bearing air channel (18), is provided with labyrinth channel A dividing plate (35) and labyrinth channel B dividing plate (36) in the labyrinth channel (19).
5. a kind of high temperature according to claim 4 is characterized in that from cooling off hot water circulating pump, it is characterized in that: labyrinth channel A dividing plate (35) and labyrinth channel B dividing plate (36) interlaced arrangement.
6. high temperature according to claim 1 is characterized in that from cooling off hot water circulating pump: labyrinth channel (19) outside is provided with cooling water radiating fin (37).
7. high temperature according to claim 1 is characterized in that: be provided with labyrinth seal (14) in the gap between main shaft (26) and guide shaft bearing (13) from cooling off hot water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081140 CN203146430U (en) | 2013-02-22 | 2013-02-22 | High-temperature self-cooling hot water circulation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081140 CN203146430U (en) | 2013-02-22 | 2013-02-22 | High-temperature self-cooling hot water circulation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146430U true CN203146430U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320081140 Expired - Fee Related CN203146430U (en) | 2013-02-22 | 2013-02-22 | High-temperature self-cooling hot water circulation pump |
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| Country | Link |
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| CN (1) | CN203146430U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN103644145A (en) * | 2013-12-04 | 2014-03-19 | 江苏大学 | Hot water circulating pump suspension body of coiler cooling structure |
| CN103912503A (en) * | 2014-04-21 | 2014-07-09 | 镇江江大泵业科技有限公司 | Novel high-temperature pump |
| CN104989673A (en) * | 2015-07-13 | 2015-10-21 | 江西省万载水泵有限责任公司 | Horizontal multi-stage centrifugal pump |
| CN107676274A (en) * | 2017-11-08 | 2018-02-09 | 江苏国泉泵业制造有限公司 | A kind of vertical high-temperature heavy metal pump hot air circulating system |
| CN107882766A (en) * | 2017-11-08 | 2018-04-06 | 江苏国泉泵业制造有限公司 | A kind of high-temperature pump guide bearing hot air circulating system |
| CN117179797A (en) * | 2023-11-08 | 2023-12-08 | 北京唯迈医疗设备有限公司 | C-shaped arm X-ray machine |
-
2013
- 2013-02-22 CN CN 201320081140 patent/CN203146430U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN103573713B (en) * | 2013-02-22 | 2016-08-03 | 江苏大学 | A kind of high temperature is from cooling down hot water circulating pump |
| CN103644145A (en) * | 2013-12-04 | 2014-03-19 | 江苏大学 | Hot water circulating pump suspension body of coiler cooling structure |
| CN103912503A (en) * | 2014-04-21 | 2014-07-09 | 镇江江大泵业科技有限公司 | Novel high-temperature pump |
| CN104989673A (en) * | 2015-07-13 | 2015-10-21 | 江西省万载水泵有限责任公司 | Horizontal multi-stage centrifugal pump |
| CN104989673B (en) * | 2015-07-13 | 2018-03-13 | 江西省万载水泵有限责任公司 | horizontal multi-stage centrifugal pump |
| CN107676274A (en) * | 2017-11-08 | 2018-02-09 | 江苏国泉泵业制造有限公司 | A kind of vertical high-temperature heavy metal pump hot air circulating system |
| CN107882766A (en) * | 2017-11-08 | 2018-04-06 | 江苏国泉泵业制造有限公司 | A kind of high-temperature pump guide bearing hot air circulating system |
| CN107882766B (en) * | 2017-11-08 | 2024-01-12 | 江苏国泉泵业制造有限公司 | Hot air circulation system of guide bearing of high-temperature pump |
| CN107676274B (en) * | 2017-11-08 | 2024-03-26 | 江苏国泉泵业制造有限公司 | Hot air circulation system for vertical high-temperature heavy metal pump |
| CN117179797A (en) * | 2023-11-08 | 2023-12-08 | 北京唯迈医疗设备有限公司 | C-shaped arm X-ray machine |
| CN117179797B (en) * | 2023-11-08 | 2024-02-06 | 北京唯迈医疗设备有限公司 | C-shaped arm X-ray machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140222 |