CN203627324U - High-temperature and high-pressure resistant horizontal single-stage cantilever pump - Google Patents
High-temperature and high-pressure resistant horizontal single-stage cantilever pump Download PDFInfo
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- CN203627324U CN203627324U CN201420002413.9U CN201420002413U CN203627324U CN 203627324 U CN203627324 U CN 203627324U CN 201420002413 U CN201420002413 U CN 201420002413U CN 203627324 U CN203627324 U CN 203627324U
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Abstract
The utility model relates to the technical field of mechanical engineering pumps, in particular to a high-temperature and high-pressure resistant horizontal single-stage cantilever pump which is characterized in that a liquid inlet hole and an impeller cavity are axially and sequentially formed in the center of a pressure pump shell, a liquid outlet hole is formed in the side wall of the pressure pump shell, the impeller cavity is communicated with the liquid inlet hole, the side face of the pressure pump shell is communicated with the liquid outlet hole, splitter plates are uniformly distributed on the periphery of the inner wall of the liquid inlet hole, the outer end of the impeller cavity of the pressure pump shell is fixedly connected with a pump cover, a pressure pump shell abrasion-resistant ring is arranged on the inner wall of the inner end of the impeller cavity, an impeller is arranged in the impeller cavity, one end of a pump shaft is fixedly connected with the impeller, the other end of the pump shaft is connected with a power source through a bearing box and a bearing box cover, an impeller abrasion-resistant ring is arranged at the outer edge of a liquid inlet end of the impeller, the pressure pump shell abrasion-resistant ring is in clearance fit with the impeller abrasion-resistant ring, the pump cover sleeves the pump shaft, an inner cavity of the inner end is hermetically connected with the impeller through a decompression lining, and an inner cavity of the outer end is hermetically connected with the pump shaft through a mechanical seal. The high-temperature and high-pressure resistant horizontal single-stage cantilever pump has the advantages of novel structure, high sealing performance, long service life, high loading capacity, high-temperature resistance, high-pressure resistance and the like.
Description
Technical field
The utility model relates to mechanical engineering pump technical field, specifically a kind of high temperature high voltage resistant horizontal single-stage cantilever pump.
Background technique
China's oil chemical industry is just towards maximization, scale and internationalization future development.During " 12 ", Sinopec's industry will keep the speed of a sustainable development.Because requiring long period, continization, petrochemical industry produces, the 610 regulation pump group continuous operation life-spans of the API of american petroleum institute standard are at least 3 years, therefore require that petrochemical industry pump running is reliable, the life-span is long, simple in structure, easy to maintenance, efficiency is high, has good comprehensive economic index.High Temperature High Pressure power, the development of high reliability pump in recent years rapidly.For adapting to the requirement of the uncertainty in numerous and complicated market and personalized user service, the SOHZ type High Temperature High Pressure horizontal single-stage cantilever pump of high-quality, efficient, low consumption, clean and Flexible Production import substitutes serve Coal Chemical Engineering Project.
At present, pump factory produces the most design pressure 5MPa of horizontal single-stage cantilever pump for petrochemical industry both at home and abroad, only a few producer design pressure arrives 7.5MPa, 13.5MPa, the medium that existing product can not meet high temperature in petrochemical equipment, high saturated vapor pressure requires, also can not meet the matching requirements such as gasification industry Texaco technique, in the urgent need to producing the High Temperature High Pressure power horizontal single-stage cantilever pump of a set of seriation, the indeterminable main difficult technical of existing product: a, high thrust load equilibrium problem; B, carrying pressure pump case pressure-bearing problem when high temperature media; C, Reliability of Mechanical Seal problem; D, the strength problem of each parts under High Temperature High Pressure power.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides that a kind of novel structure, sealability are high, long service life, strong, high temperature resistant, the high voltage bearing high temperature high voltage resistant horizontal single-stage of bearing capacity cantilever pump.
The utility model solves the technological scheme that its technical problem adopts:
A kind of high temperature high voltage resistant horizontal single-stage cantilever pump, is characterized in that being provided with pressure pump case, pump cover, impeller, pump shaft, water-cooling jacket, fore bearing case lid, front end bearing isolator, bearing housing, roller bearing, disc device, large pressure angle is ball thrust bearing in groups, rear bearing case lid, rear end bearing isolator, large volume oil sump, fan, release lining, visual permanent oil level oilier, locking impeller nut device, pressure pump case wear ring, impeller abrasion-proof ring, integrated mechanical sealing and blank flange, described pressure pump case central shaft is to being provided with successively inlet opening and impeller cavity, sidewall is provided with outage, described impeller cavity is connected with inlet opening, side is connected with outage, described inlet opening inwall circumference uniform distribution is provided with flow distribution plate, described flow distribution plate axially arranges, the high temperature high pressure liquid being beneficial to entering impeller cavity is carried out turbulent flow, the impeller cavity outer end of described pressure pump case is fixedly connected with pump cover, and the inner inwall of impeller cavity is provided with pressure pump case wear ring, in described impeller cavity, is provided with impeller, pump shaft one end is fixedly connected with impeller, and the other end is through bearing housing, bearing box cover is connected with power source, the liquid feeding end outer rim of described impeller is provided with impeller abrasion-proof ring, described pressure pump case wear ring coordinates with impeller abrasion-proof czermak space, being beneficial to restricted internal leaks, balancing axial load, described pump cover is enclosed within on pump shaft, inner inner chamber is connected with impeller seals through pressure release lining, outer end inner chamber is tightly connected mutually through mechanical seal and pump shaft, described exterior edge face is provided with annular water-cooling jacket centered by axle center, described water-cooling jacket connects external water source through attachment hole, be beneficial to improve the working environment of mechanical seal, reach the effect of long service life, described bearing housing adopts the bearing housing with radiating fin and oil sump, be beneficial to pump shaft to dispel the heat, meet bearing at high loading, long-term under high temperature, safe and reliable operation, described bearing housing is provided with visual permanent oil level oilier and visual oily window, be beneficial to Real-Time Monitoring make-up oil, described bearing housing bottom sidewall is provided with Blowoff ball valve, the premenstrual bearing isolator of fore bearing case lid of described bearing housing front end is connected with pump shaft, and the rear bearing case lid of rear end is connected with pump shaft through rear bearing isolator, is beneficial to guarantee that the lubricant oil of large volume oil sump is clean, in described oil sump, be provided with disc device, disc device is fixed on pump shaft.
The utility model can be provided with radiation fan on the pump shaft of described bearing housing rear end, be beneficial to bearing housing to dispel the heat, can also work in coordination with radiating type disc device simultaneously and combine and oil sump non-pressurised is fed to Lubricating Oil Temperature carries out coolingly, meet bearing long-term, safe and reliable operation under high loading, high temperature.
Pressure pump shell-side face described in the utility model is provided with axially locating pin-and-hole, is beneficial to prevent that pressure pump case from producing thermal expansion and laterally offset under pumping worst hot case, and the outage of pressure pump case is connected with blank flange, to reach the effect of high temperature high voltage resistant.
Pump cover described in the utility model adopts Forging Technology to make, and is beneficial to improve the working environment of integrated mechanical sealing.
Pump shaft described in the utility model adopts low heat conductivity stainless steel to make, and is beneficial to reduce from pumping the heat of liquid transfer.
Pressure release lining internal diameter described in the utility model is provided with backpitch pressure release groove, is beneficial to reduce Seal cage pressure.
The radial bearing of bearing housing front end described in the utility model adopts cylinder roller bearing, is beneficial to bear remaining radial load, and the thrust-bearing of rear end adopts large pressure angle ball thrust bearing in groups, is beneficial to bear high thrust load.
Impeller described in the utility model is fixedly connected with pump shaft through locking impeller nut device, reaches effect safe and reliable to operation.
The utility model is owing to adopting said structure, the advantage such as have that novel structure, sealability are high, long service life, bearing capacity are strong, high temperature resistant, high pressure resistant.
accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Reference character: 1, pressure pump case; 2, pressure pump case wear ring; 3, impeller; 4, pump cover; 5, volute is wound around packing ring; 6, water-cooling jacket; 7, integrated mechanical sealing; 8, pump shaft; 9, fore bearing case lid; 10, cylinder roller bearing; 11, bearing housing; 12, radiating type disc device; 13, large pressure angle ball thrust bearing in groups; 14, rear bearing case lid; 15, radiation fan; 16, fan guard; 17, rear end bearing isolator; 18, locking nut; 19, visual oily window; 20, visual permanent oil level oilier; 21, Blowoff ball valve; 22, oil sump; 23, end ring; 24, front end bearing isolator; 25, pressure release lining; 26, positioning pin hole; 27, blank flange; 28, impeller abrasion-proof ring; 29, impeller nut device; 30, flow distribution plate.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in Figure 1, a kind of High Temperature High Pressure horizontal single-stage cantilever pump, it mainly comprises pressure pump case 1, pressure pump case wear ring 2, impeller 3, pump cover 4, volute is wound around packing ring 5, water-cooling jacket 6, integrated mechanical sealing 7, stiff shaft 8, fore bearing case lid 9, cylinder roller bearing 10, bearing housing 11, radiating type disc device 12, large pressure angle is ball thrust bearing 13 in groups, rear bearing case lid 14, fan 15, fan guard 16, rear end bearing isolator 17, locking nut 18, visual oily window 19, visual permanent oil level oilier 20, Blowoff ball valve 21, oil sump 22, end ring 23, front end bearing isolator 24, pressure release lining 25, positioning pin hole 26, blank flange 27, impeller abrasion-proof ring 28, impeller nut device 29 and flow distribution plate 30, described pressure pump case 1 is connected with pump cover 4, adopt volute to be wound around packing ring 5 and carry out primary seal, auxiliary seal adopts its metal to metal contact fitted seal, removable pressure pump case wear ring 2 is fixed on pressure pump case, impeller abrasion-proof ring 28 is fixed on impeller 3, its running clearance is carried out API 610 standards and requirement thereof, reasonably running clearance is used for restricted internal and leaks, balancing axial load, impeller 3 adopts without equalizing orifice, wear-resisting ring structure without male offspring, the thrust load producing during for the high inlet pressure of balance, pressure pump case 1 is provided with axially locating pin-and-hole 26, prevent that pressure pump case 1 from producing thermal expansion laterally offset under pumping worst hot case, pressure pump case 1 outage connects by the blank flange 27 of high temperature and high pressure condition configuration specially, impeller 3 use impeller nut devices 29 are fixed on stiff shaft 8, the release lining 25 that is provided with backpitch release groove is fixed on forging pump cover 4, form release gap with impeller 3, reduce Seal cage pressure and balancing axial load, forging pump cover 4 adopts and forges processing, be provided with water-cooling jacket 6, improve the working environment of integrated mechanical sealing 7, Seal cage size conforms API610 standard, can adapted carry out the integrated mechanical sealing of API682 standard completely, stiff shaft 8 is selected the manufacture of low heat conductivity stainless steel, reduce from pumping the heat of liquid transfer, outside is provided with radiating fin and end and does not establish the bearing housing 11 of support and be fixed on forging pump cover 4, bearing housing 11 adopts " three change " design, greatly reduce the input of cost, bearing housing 11 is provided with vent hole and sewage draining exit and is furnished with the moisture of preventing, dust and other impurity device, fore bearing case lid 9, rear bearing case lid 14 is fixed on bearing housing 11, bearing housing adopts front end bearing isolator 24 and the rear end bearing isolator 17 of the stack system of Babylon formula-can discharge water/moisture to seal, the lubricant oil that guarantees large volume oil sump 22 is clean, the radial bearing of bearing housing front end adopts cylinder roller bearing 10, be beneficial to bear remaining radial load, the thrust-bearing employing large pressure angle of rear end in groups ball thrust bearing 13 bears high thrust load, radiating type disc device 12 is fixed on stiff shaft 8, visual permanent oil level oilier 20, visual oily window 19 is fixed on and on bearing housing 11, is used for detecting in real time make-up oil, fan 15 is fixed on stiff shaft, bearing housing 11 is dispelled the heat, meet bearing at high loading, long-term under high temperature, safe and reliable operation, 25mm centering rack space is provided between fan 15 and coupling wheel hub, pressure pump case 1 is provided with axially locating pin-and-hole 26, pressure pump case 1 is established outage, connect with blank flange 27, pressure pump case adopts the radially efficient volute casing design of subdivision, the radial force that the employing double volute that bore exceedes 100mm produces during for balance off-design behaviour, pressure pump case adopts center line to support and installs, and pressure pump case is provided with axially locating pin-and-hole, prevents the thermal expansion laterally offset under pumping worst hot case of pressure pump case, forging pump cover adopts and forges processing, and is provided with processing water-cooling jacket, improves the working environment of mechanical seal, and Seal cage size conforms API610 standard can adapted be carried out the integrated mechanical sealing of API682 standard completely, impeller adopts without equalizing orifice, wear-resisting ring structure without issue and carrys out balancing axial load, bearing housing is provided with large pressure angle ball thrust bearing in groups, low heat conductivity stainless steel--stiff shaft design, total length is carried out machining meticulous polishing, flange-cooled bearing housing has adopted radiating type disc device and fan associating improved cooling bearing working environment, makes bearing reliable and secure operation of life-cycle under pumping High Temperature High Pressure.
The utility model is owing to adopting said structure, the advantage such as have that novel structure, sealability are high, long service life, bearing capacity are strong, high temperature resistant, high pressure resistant.
Claims (8)
1. a high temperature high voltage resistant horizontal single-stage cantilever pump, is characterized in that being provided with pressure pump case, pump cover, impeller, pump shaft, water-cooling jacket, fore bearing case lid, front end bearing isolator, bearing housing, roller bearing, disc device, large pressure angle is ball thrust bearing in groups, rear bearing case lid, rear end bearing isolator, large volume oil sump, fan, release lining, visual permanent oil level oilier, locking impeller nut device, pressure pump case wear ring, impeller abrasion-proof ring, integrated mechanical sealing and blank flange, described pressure pump case central shaft is to being provided with successively inlet opening and impeller cavity, sidewall is provided with outage, described impeller cavity is connected with inlet opening, side is connected with outage, described inlet opening inwall circumference uniform distribution is provided with flow distribution plate, described flow distribution plate axially arranges, the impeller cavity outer end of described pressure pump case is fixedly connected with pump cover, the inner inwall of impeller cavity is provided with pressure pump case wear ring, in described impeller cavity, be provided with impeller, pump shaft one end is fixedly connected with impeller, and the other end is through bearing housing, bearing box cover is connected with power source, the liquid feeding end outer rim of described impeller is provided with impeller abrasion-proof ring, described pressure pump case wear ring coordinates with impeller abrasion-proof czermak space, described pump cover is enclosed within on pump shaft, inner inner chamber is connected with impeller seals through pressure release lining, outer end inner chamber is tightly connected mutually through mechanical seal and pump shaft, described exterior edge face is provided with annular water-cooling jacket centered by axle center, described water-cooling jacket connects external water source through attachment hole, described bearing housing adopts the bearing housing with radiating fin and oil sump, described bearing housing is provided with visual permanent oil level oilier and visual oily window, described bearing housing bottom sidewall is provided with Blowoff ball valve, the premenstrual bearing isolator of fore bearing case lid of described bearing housing front end is connected with pump shaft, the rear bearing case lid of rear end is connected with pump shaft through rear bearing isolator, in described oil sump, be provided with disc device, disc device is fixed on pump shaft.
2. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that the pump shaft of described bearing housing rear end is provided with radiation fan.
3. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that described pressure pump shell-side face is provided with axially locating pin-and-hole, and the outage of pressure pump case is connected with blank flange.
4. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that described pump cover adopts Forging Technology to make.
5. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that described pump shaft adopts low heat conductivity stainless steel to make.
6. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that described pressure release lining internal diameter is provided with backpitch pressure release groove.
7. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that the radial bearing of described bearing housing front end adopts cylinder roller bearing, and the thrust-bearing of rear end adopts large pressure angle ball thrust bearing in groups.
8. a kind of high temperature high voltage resistant horizontal single-stage cantilever pump according to claim 1, is characterized in that described impeller is fixedly connected with pump shaft through locking impeller nut device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002413.9U CN203627324U (en) | 2014-01-03 | 2014-01-03 | High-temperature and high-pressure resistant horizontal single-stage cantilever pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002413.9U CN203627324U (en) | 2014-01-03 | 2014-01-03 | High-temperature and high-pressure resistant horizontal single-stage cantilever pump |
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| Publication Number | Publication Date |
|---|---|
| CN203627324U true CN203627324U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420002413.9U Expired - Fee Related CN203627324U (en) | 2014-01-03 | 2014-01-03 | High-temperature and high-pressure resistant horizontal single-stage cantilever pump |
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| Country | Link |
|---|---|
| CN (1) | CN203627324U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317730A (en) * | 2015-10-19 | 2016-02-10 | 季裕成 | Bearing box device of tangent flow pump |
| CN105782124A (en) * | 2016-03-16 | 2016-07-20 | 武汉工程大学 | Spiral groove heat dissipation and pressure reduction device for high-temperature centrifugal pump |
| CN106438465A (en) * | 2016-10-17 | 2017-02-22 | 南京创贝高速传动机械有限公司 | Centrifugal steam compressor |
| CN106762673A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of single stage single suction cantilever type centrifugal pump |
| CN106762674A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of cantilevered double-runner centrifugal pump |
-
2014
- 2014-01-03 CN CN201420002413.9U patent/CN203627324U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317730A (en) * | 2015-10-19 | 2016-02-10 | 季裕成 | Bearing box device of tangent flow pump |
| CN105782124A (en) * | 2016-03-16 | 2016-07-20 | 武汉工程大学 | Spiral groove heat dissipation and pressure reduction device for high-temperature centrifugal pump |
| CN106438465A (en) * | 2016-10-17 | 2017-02-22 | 南京创贝高速传动机械有限公司 | Centrifugal steam compressor |
| CN106438465B (en) * | 2016-10-17 | 2019-02-26 | 南京创贝高速传动机械有限公司 | A kind of centrifugal vapor compressor |
| CN106762673A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of single stage single suction cantilever type centrifugal pump |
| CN106762674A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of cantilevered double-runner centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG TOP PUMPS CO., LTD. Free format text: FORMER NAME: SHANDONG SHUANGLUN TAOPU PUMP INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 264200 Weihai economic and Technological Development Zone, Shandong Road, No. 1 Patentee after: Shandong Tao Pu pump industry limited company Address before: 264200 Weihai economic and Technological Development Zone, Shandong Road, No. 1 Patentee before: SHANDONG SHUANGLUN TOP PUMPS INDUSTRY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20180103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |