CN204921450U - Reverse osmosis seawater desalts multistage high -pressure pump - Google Patents
Reverse osmosis seawater desalts multistage high -pressure pump Download PDFInfo
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- CN204921450U CN204921450U CN201520730987.2U CN201520730987U CN204921450U CN 204921450 U CN204921450 U CN 204921450U CN 201520730987 U CN201520730987 U CN 201520730987U CN 204921450 U CN204921450 U CN 204921450U
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Abstract
The utility model discloses a reverse osmosis seawater desalts multistage high -pressure pump, the main section of intaking, play water section, middle section, pump shaft, impeller, stator, fore bearing, rear bearing, balancing disk, balanced pipeline, collection dress formula mechanical seal, sealed box, impeller nut, the locating piece of including, its characterized in that in the water pump being equipped with from water under high pressure ji hui chamber through high -pressure side water conservancy diversion hole system before the water pump, rear bearing supporting and balancing disk be equipped with high -pressure hydraulic and bear the weight of the face, high pressure hydraulic bears the weight of the face to be opened to have soon and goes out discharge orifice, bearing area and dynamic pressure distributing box to high -pressure liquid, balancing disk hydraulic face back be equipped with with the pump in the balanced pipeline that is linked together of low pressure chamber, to open in the pump shaft have central drainage hole and radial water conservancy diversion hole, make the impeller high pressure chest in high -pressure fluid cause pressure -bearing hydraulic face, solved the substantive technical problem who utilizes high -pressure medium hydraulic directly to bear the weight of. Have novel structure, stable performance, load -carrying properties height, advantages such as the section is contactless, the wearing and tearing volume is little, the balanced efficiency height of axial force.
Description
Technical field
The utility model relates to mechanical engineering pump technical field, specifically a kind of reverse osmosis seawater desalting multistage high-pressure pump.
Background technique
As everyone knows, high-pressure multi-stage pump is applied in reverse osmosis desalination device system, is the kinetic pump providing high pressure sea water to sea water desalinating unit reverse osmosis (RO) membranous system.Desalination of sea water has become the strategic choice that the new century solves freshwater resources crises, China's water resources relative shortage and skewness, has huge demand to desalination of sea water.Reverse osmosis technology have technique simple, easy to operate, be easy to the advantages such as automatic control, pollution-free, operating cost is low, be current advanced person, stable, effective desalination technology.Desalination of sea water high-pressure service pump has very important effect in reverse osmosis unit system, improves desalination of sea water high-pressure service pump operational reliability and ensures that seawater desalination reverse osmosis apparatus system long-term stable operation is very important undoubtedly.
At present, the supporting structure of bearing support many employings two ends external bearings of the multistage seawater desalting high-pressure service pump of existing big-and-middle-sized reverse osmosis desalination device institute adapted, complex structure, not only there is bearing lubricant to environment and medium pollution, and volume is larger, cost is higher, take more working space, and for adopting the multistage high-pressure pump of Balance disc form, due to the parts that Balance disc is a transient equiliblium axial force, in equilibrium process, because aqueous medium is thinner at Balance disc surface of contact liquid film, easily be damaged, therefore balance disk wear situation is very serious, rate of fault is higher, directly affects the normal operation of pump.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provides a kind of novel structure, safe and reliable, long service life, conserve space, the reverse osmosis seawater desalting multistage high-pressure pump reduce costs, reduced wear.
The utility model solves the technological scheme that its technical problem adopts:
A kind of reverse osmosis seawater desalting multistage high-pressure pump, mainly comprise the pump housing, pump shaft, impeller, stator, fore bearing, rear bearing, Balance disc, integrated mechanical sealing, seal case, impeller nut and positioning block, the pump housing is by inlet segment, stage casing and water exit end are formed by fixedly connecting, it is characterized in that described pump spindle center is provided with axle central high pressure hole vertically, on the attachment face of the corresponding fore bearing of described pump shaft sidewall, radial direction is provided with fore bearing high pressure water axis hole, on the attachment face of the corresponding rear bearing of described pump shaft sidewall, radial direction is provided with rear bearing high pressure water axis hole, described axle central high pressure hole is connected with fore bearing high pressure water axis hole with rear bearing high pressure water axis hole respectively, the inwall of described fore bearing is provided with the equal pressure tank of fore bearing, outer wall is provided with fore bearing fluid power high-pressure trough, high pressure water hole, the equal pressure tank of described fore bearing premenstrual bearing fluid power face is connected with fore bearing fluid power high-pressure trough, the equal pressure tank of described fore bearing is connected with axle central high pressure hole through fore bearing high pressure water axis hole, described rear bearing inwall is provided with the equal pressure tank of rear bearing, outer wall is provided with rear bearing fluid power high-pressure trough, described rear bearing is provided with high pressure water Ji Hui chamber relative to the end face of the impeller rear end of multi-stage impeller, on described pump shaft, corresponding high pressure water Ji Hui chamber radial direction is provided with high pressure water and draws axis hole, described high pressure water is drawn axis hole one end and is connected with axle central high pressure hole, the other end is connected with high pressure water Ji Hui chamber, the equal pressure tank of described rear bearing is connected with rear bearing fluid power high-pressure trough through high pressure water hole, rear bearing fluid power face, the equal pressure tank of described rear bearing is connected with axle central high pressure hole through rear bearing high pressure water axis hole, be beneficial to the high pressure liquid stream in impeller hyperbaric chamber by high pressure water Ji Hui chamber, high pressure water draws axis hole, axle central high pressure hole is also shunted, lead up to fore bearing high pressure water axis hole, the equal pressure tank of fore bearing, high pressure water hole, fore bearing fluid power face and fore bearing fluid power high-pressure trough cause fore bearing fluid power face, fore bearing fluid power film is formed at fore bearing fluid power face and fore bearing inner room, separately lead up to rear bearing high pressure water axis hole, the equal pressure tank of rear bearing and high pressure water hole, rear bearing fluid power face and rear bearing fluid power high-pressure trough cause rear bearing fluid power face, rear bearing fluid power film is formed at rear bearing fluid power face and rear bearing inner room, by the protection of fore bearing fluid power film and rear bearing fluid power film, avoid fore bearing outer surface to contact with the direct of rear axle bearing sleeve with rear bearing outer surface with direct contact of front axle bearing sleeve, when ensure that fore bearing and rear bearing run under hyperbaric environment, hydrodynamic effect is utilized to form the bearing capacity in pressure-bearing fluid power face, and generation stops by the pressure reduction stream of high pressure side to low voltage side by low pressure on high-tension side sticky shearing stream, solve medium fluid power directly to carry, take up room large, with serious pollution Substantial technical problem.
The utility model radial direction can be provided with Balance disc high pressure water axis hole on the attachment face of the corresponding Balance disc of described pump shaft sidewall, described Balance disc inwall is provided with the equal setting-out chamber of Balance disc, Balance disc radial high-pressure water hole is provided with in described Balance disc, the described Balance disc end face corresponding with rear axle bearing sleeve is provided with Balance disc hydraulic dynamic groove, one end, described Balance disc radial high-pressure water hole is connected with Balance disc hydraulic dynamic groove through high pressure water hole, Balance disc fluid power face, the other end is connected with Balance disc high pressure water axis hole through the equal setting-out chamber of Balance disc, be beneficial to the high pressure water Ji Hui chamber of the high pressure liquid stream in impeller hyperbaric chamber by rear bearing, high pressure water draws axis hole, axle central high pressure hole, Balance disc high pressure water axis hole, the equal setting-out chamber of Balance disc, Balance disc radial high-pressure water hole, high pressure water hole, Balance disc fluid power face peace weighing apparatus dish hydraulic dynamic groove causes Balance disc pressure-bearing fluid power face, high pressure water is made to form carrying liquid film at Balance disc pressure-bearing fluid power face, and produce year power and the cooling and lubricating of Balance disc, when ensure that Balance disc runs under hyperbaric environment, hydrodynamic effect is utilized to form the bearing capacity in pressure-bearing fluid power face, and stop by high pressure side pressure reduction stream to low voltage side by low pressure on high-tension side sticky shearing stream in the generation of its end face, reach significant load-carrying properties, solve medium fluid power further and directly carry the Substantial technical problem with serious wear.
The utility model can be provided with equalizing line between the inlet segment of seal case and the pump housing, described equalizing line one end and seal case intracavity inter-connection, the other end is connected with the water-inlet cavity of the inlet segment of the pump housing, be beneficial to the environment under low pressure forming periphery, Balance disc fluid power face, meanwhile, the effect of the mechanical seal in cleaning seal case can also be played.
Balance disc hydraulic dynamic groove circumferentially array on Balance disc end face described in the utility model, and Balance disc hydraulic dynamic groove arranges twist centered by pump shaft axle center, be beneficial to liquid stream and enter Balance disc fluid power face from Balance disc hydraulic dynamic groove, produce by low pressure on high-tension side sticky shearing stream at its end face, can stop by the pressure reduction stream of high pressure side to low voltage side, the axial carrying performance of excellent Balance disc is reached together with high pressure hydraulic, Balance disc fluid power film is made to have separated the possible contact of Balance disc entity completely, solve medium fluid power viscosity little, bearing capacity is more weak, easy generation Balance disc crosses the Substantial technical problem of wearing and tearing.
The utility model can be provided with fore bearing hydraulic dynamic groove on described fore bearing fluid power face, described fore bearing hydraulic dynamic groove is located at adjacent two adjacent angles place of fore bearing fluid power high-pressure trough respectively, and with radial direction be benchmark diagonally respectively mirror image extend to rear bearing two ends, be beneficial to the liquid in fore bearing fluid power high-pressure trough be flowed through fore bearing hydraulic dynamic concentrated flow on fore bearing fluid power face, and reach higher radial load-carrying properties on fore bearing fluid power face.
The utility model also can be provided with rear bearing hydraulic dynamic groove on rear bearing fluid power face, described rear bearing hydraulic dynamic groove is located on the diagonal of rear bearing fluid power high-pressure trough respectively, and diagonally extend respectively to rear bearing two ends, be beneficial to that the liquid in rear bearing fluid power high-pressure trough is flowed through rear bearing hydraulic dynamic groove and enter into rear bearing fluid power face, and produce by low pressure on high-tension side sticky shearing stream at rear bearing fluid power face, high pressure side is stoped to arrive the pressure reduction stream of low voltage side, and reach the more excellent radial load-carrying properties of rear bearing by the fluid power film that rear bearing fluid power face surface is formed.
The utility model, owing to adopting said structure, has novel structure, safe and reliable, long service life, conserve space, the advantage such as to reduce costs, reduce wear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the Balance disc portion structure schematic diagram of Figure 1A in the utility model.
Fig. 3 is that in the utility model, schematic diagram is launched in Balance disc fluid power face.
Fig. 4 is the rear bearing portion structure schematic diagram of Figure 1B in the utility model.
Fig. 5 is that in the utility model, before rear bearing, schematic diagram is launched in fluid power face.
Fig. 6 is the fore bearing portion structure schematic diagram of Fig. 1 C in the utility model.
Fig. 7 is that in the utility model, before fore bearing, schematic diagram is launched in fluid power face.
Reference character: 1, integrated mechanical sealing 2, seal case 3, Balance disc 4, water exit end 5, rear axle bearing sleeve 6, rear bearing 7, equalizing line 8, stage casing 9, pump shaft 10, impeller, 11, axle central high pressure hole 12, stator 13, front axle bearing sleeve 14, fore bearing 15, impeller nut 16, axle center hole shutoff bolt 17, inlet segment 18, Balance disc high pressure water axis hole 19, the equal setting-out chamber 20 of Balance disc, positioning block 21, Balance disc radial high-pressure water hole 22, high pressure water hole, Balance disc fluid power face 23, Balance disc hydraulic dynamic groove 24, Balance disc equilibrium pressure water cavity 25, Balance disc 26, Balance disc fluid power face 27, rear bearing high pressure water axis hole 28, the equal pressure tank 29 of rear bearing, high pressure water hole, rear bearing fluid power face 30, rear bearing fluid power high-pressure trough 31, high pressure water Ji Hui chamber 32, high pressure water draws axis hole 33, rear bearing hydraulic dynamic groove 34, rear bearing fluid power face 35, fore bearing high pressure water axis hole 36, fore bearing fluid power high-pressure trough 37, high pressure water hole, fore bearing fluid power face 38, the equal pressure tank 39 of fore bearing, fore bearing hydraulic dynamic groove 40, fore bearing fluid power face.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in Figure 1, a kind of reverse osmosis seawater desalting multistage high-pressure pump, mainly comprise the pump housing, pump shaft 9, impeller 10, stator 12, fore bearing 14, rear bearing 6, Balance disc 3, integrated mechanical sealing 1, seal case 2, impeller nut 15 and positioning block 20, the pump housing is by inlet segment 17, stage casing 8 and water exit end 4 are formed by fixedly connecting, the pump housing, pump shaft 9, impeller 10, stator 12, fore bearing 14, rear bearing 6, Balance disc 3, integrated mechanical sealing 1, seal case 2, the annexation of impeller nut 15 and positioning block 20 is same as the prior art, this does not repeat, described, it is characterized in that described pump shaft 9 center is provided with axle central high pressure hole 11 vertically, on the attachment face of the corresponding fore bearing of described pump shaft 9 sidewall, radial direction is provided with fore bearing high pressure water axis hole 35, on the attachment face of the corresponding rear bearing of described pump shaft 9 sidewall, radial direction is provided with rear bearing high pressure water axis hole 27, described axle central high pressure hole 11 is connected with fore bearing high pressure water axis hole 35 with rear bearing high pressure water axis hole 27 respectively, the inwall of described fore bearing is provided with the equal pressure tank 28 of fore bearing, outer wall is provided with fore bearing fluid power high-pressure trough 36, high pressure water hole, the equal pressure tank of described fore bearing 28 premenstrual bearing fluid power face 37 is connected with fore bearing fluid power high-pressure trough 36, the equal pressure tank 28 of described fore bearing is connected with axle central high pressure hole 11 through fore bearing high pressure water axis hole 35, described rear bearing inwall is provided with the equal pressure tank 28 of rear bearing, outer wall is provided with rear bearing fluid power high-pressure trough 30, described rear bearing is provided with high pressure water Ji Hui chamber 31 relative to the end face of the impeller rear end of multi-stage impeller, on described pump shaft 9, corresponding high pressure water Ji Hui chamber 31 radial direction is provided with high pressure water and draws axis hole 32, described high pressure water is drawn axis hole 32 one end and is connected with axle central high pressure hole 11, the other end is connected with high pressure water Ji Hui chamber 31, the equal pressure tank 28 of described rear bearing is connected with rear bearing fluid power high-pressure trough 30 through high pressure water hole, rear bearing fluid power face 37, the equal pressure tank of described rear bearing is connected with axle central high pressure hole 11 through 28 rear bearing high pressure water axis holes 35, be beneficial to the high pressure liquid stream in impeller hyperbaric chamber by high pressure water Ji Hui chamber 31, high pressure water draws axis hole 32, axle central high pressure hole 11 is also shunted, lead up to fore bearing high pressure water axis hole 35, the equal pressure tank 28 of fore bearing, high pressure water hole, fore bearing fluid power face 37 and fore bearing fluid power high-pressure trough 36 cause fore bearing fluid power face 40, fore bearing fluid power film is formed at fore bearing fluid power face and fore bearing inner room, separately lead up to rear bearing high pressure water axis hole 27, the equal pressure tank 28 of rear bearing and high pressure water hole, rear bearing fluid power face 30 and rear bearing fluid power high-pressure trough 30 cause rear bearing fluid power face 34, rear bearing fluid power film is formed at rear bearing fluid power face and rear bearing inner room, by the protection of fore bearing fluid power film and rear bearing fluid power film, avoid fore bearing outer surface to contact with the direct of rear axle bearing sleeve with rear bearing outer surface with direct contact of front axle bearing sleeve, when ensure that fore bearing and rear bearing run under hyperbaric environment, hydrodynamic effect is utilized to form the bearing capacity of pressure-bearing fluid power film, and generation stops by the pressure reduction stream of high pressure side to low voltage side by low pressure on high-tension side sticky shearing stream, solve medium fluid power directly to carry, take up room large, with serious pollution Substantial technical problem.
The utility model radial direction can be provided with Balance disc high pressure water axis hole 18 on the attachment face of the corresponding Balance disc 3 of described pump shaft 9 sidewall, described Balance disc 3 inwall is provided with the equal setting-out chamber 19 of Balance disc, Balance disc radial high-pressure water hole 21 is provided with in described Balance disc 3, described Balance disc 3 end face corresponding with rear axle bearing sleeve 5 is provided with Balance disc hydraulic dynamic groove 23, one end, described Balance disc radial high-pressure water hole 21 is connected with Balance disc hydraulic dynamic groove 23 through high pressure water hole, Balance disc fluid power face 22, the other end is connected with Balance disc high pressure water axis hole 18 through the equal setting-out chamber 19 of Balance disc, be beneficial to the high pressure water Ji Hui chamber 31 of the high pressure liquid stream in impeller hyperbaric chamber by rear bearing 6, high pressure water draws axis hole 32, axle central high pressure hole 11, Balance disc high pressure water axis hole 18, the equal setting-out chamber 19 of Balance disc, Balance disc radial high-pressure water hole 21, high pressure water hole, Balance disc fluid power face 22 and Balance disc hydraulic dynamic groove 23 cause Balance disc pressure-bearing fluid power face 26, high pressure water is made to form carrying liquid film at Balance disc pressure-bearing fluid power face 26, and produce year power and the cooling and lubricating of Balance disc 3, when ensure that Balance disc 3 runs under hyperbaric environment, hydrodynamic effect is utilized to form the bearing capacity in pressure-bearing fluid power face, and stop by high pressure side pressure reduction stream to low voltage side by low pressure on high-tension side sticky shearing stream in the generation of its end face, reach significant load-carrying properties, solve medium fluid power further and directly carry the Substantial technical problem with serious wear.
The utility model can be provided with equalizing line 7 between the inlet segment 17 of seal case 2 and the pump housing, described equalizing line 7 one end and seal case 2 intracavity inter-connection, the other end is connected with the water-inlet cavity of the inlet segment 17 of the pump housing, be beneficial to the environment under low pressure forming periphery, Balance disc fluid power face, meanwhile, the effect of the mechanical seal in cleaning seal case can also be played.
Balance disc hydraulic dynamic groove 23 circumferentially array on Balance disc 3 end face described in the utility model, and Balance disc hydraulic dynamic groove 23 arranges twist centered by pump shaft 9 axle center, be beneficial to liquid stream and enter Balance disc fluid power face 26 from Balance disc hydraulic dynamic groove 23, produce by low pressure on high-tension side sticky shearing stream at its end face, can stop by the pressure reduction stream of high pressure side to low voltage side, the axial carrying performance of excellent Balance disc 3 is reached together with high pressure hydraulic, carrying liquid film has separated the possible contact of Balance disc 3 entity completely, solve medium fluid power viscosity little, bearing capacity is more weak, easy generation Balance disc 3 crosses the Substantial technical problem of wearing and tearing.
The utility model can be provided with fore bearing hydraulic dynamic groove 39 on described fore bearing fluid power face 40, described fore bearing hydraulic dynamic groove 39 is located at adjacent two adjacent angles place of fore bearing fluid power high-pressure trough 36 respectively, and be that starting point extends respectively to fore bearing 14 two ends mirror image with adjacent angle, be beneficial to that the liquid in fore bearing fluid power high-pressure trough 36 is flowed through fore bearing hydraulic dynamic groove 39 flow on fore bearing fluid power face 40, and produce higher radial load-carrying properties on fore bearing fluid power face 40.
The utility model also can be provided with rear bearing hydraulic dynamic groove 33 on rear bearing fluid power face 34, described rear bearing hydraulic dynamic groove 33 is located on the diagonal of rear bearing fluid power high-pressure trough 30 respectively, and with radial direction be benchmark diagonally respectively mirror image extend to rear bearing two ends, be beneficial to that the liquid in rear bearing fluid power high-pressure trough 30 is flowed through rear bearing hydraulic dynamic groove 33 and enter into rear bearing fluid power face 34, and produce by low pressure on high-tension side sticky shearing stream at rear bearing fluid power face 34, high pressure side is stoped to arrive the pressure reduction stream of low voltage side, and the more excellent radial load-carrying properties of rear bearing are reached together with high pressure hydraulic.
The utility model operationally, as shown in Figure 6, pump shaft High Rotation Speed, the multi-stage impeller in stage casing is driven to rotate, the liquid entering inlet segment is derived by multi-stage impeller step by step, pump finally by water exit end, pump shaft is in high-speed rotation, the hydraulic bearing power that the high pressure liquid stream of the final stage rear end of multi-stage impeller 10 is formed leads up to high pressure water Ji Hui chamber 31, high pressure water draws axis hole 32, axle central high pressure hole 11, fore bearing high pressure water axis hole 35, the equal pressure tank 38 of fore bearing, high pressure water hole, fore bearing fluid power face 37 is drained to fore bearing fluid power high-pressure trough 36, flow to fore bearing outer surface by the fore bearing hydraulic dynamic groove 39 of fore bearing fluid power high-pressure trough 36 both sides again and form fore bearing fluid power face 40, as shown in Figure 7, produce by low pressure on high-tension side sticky shearing stream at its fore bearing outer surface, can stop by the pressure reduction stream of high pressure side to low voltage side, the excellent radial load-carrying properties of fore bearing 14 are reached together with high pressure hydraulic, solve the medium fluid power directly radial Substantial technical problem carried, lead up to high pressure water Ji Hui chamber 31, high pressure water draws axis hole 32, axle central high pressure hole 11, rear bearing high pressure water axis hole 27, the equal pressure tank 28 of rear bearing, high pressure water hole, rear bearing fluid power face 29 is drained to rear bearing fluid power high-pressure trough 30, flow to rear bearing outer surface by the rear bearing hydraulic dynamic groove 33 of rear bearing fluid power high-pressure trough 30 both sides again and form rear bearing fluid power face 34, as shown in Figure 5, produce by low pressure on high-tension side sticky shearing stream at bearing outside surface thereafter, prevent by the pressure reduction stream of high pressure side to low voltage side, and the excellent radial load-carrying properties of rear bearing 6 are reached together with high pressure hydraulic, solve the medium fluid power directly radial Substantial technical problem carried, separately lead up to high pressure water Ji Hui chamber 31, high pressure water draws axis hole 32, axle central high pressure hole 11, Balance disc high pressure water axis hole 18, the equal setting-out chamber 19 of Balance disc, Balance disc radial high-pressure water hole 21, high pressure water hole, Balance disc fluid power face 22 flow to Balance disc hydraulic dynamic groove 23, Balance disc outer surface is entered into again by the Balance disc hydraulic dynamic groove 23 of helical pattern, Balance disc fluid power face 26 is formed at Balance disc outer surface, and produce by low pressure on high-tension side sticky shearing stream in Balance disc outer surface face, can stop by the pressure reduction stream of high pressure side to low voltage side, the axial carrying performance of excellent Balance disc 3 is reached together with high pressure hydraulic, that Balance disc fluid power face separates the possible contact of the entity of Balance disc 3 completely, solve medium fluid power viscosity little, bearing capacity is more weak, easy generation Balance disc 3 crosses the Substantial technical problem of wearing and tearing.The good stability of water pump, friction factor is little, and mechanical efficiency is high, and the life-span is long.
The utility model, owing to adopting said structure, has novel structure, safe and reliable, long service life, conserve space, the advantage such as to reduce costs, reduce wear.
Claims (6)
1. a reverse osmosis seawater desalting multistage high-pressure pump, mainly comprise the pump housing, pump shaft, impeller, stator, fore bearing, rear bearing, Balance disc, integrated mechanical sealing, seal case, impeller nut and positioning block, the pump housing is by inlet segment, stage casing and water exit end are formed by fixedly connecting, it is characterized in that described pump spindle center is provided with axle central high pressure hole vertically, on the attachment face of the corresponding fore bearing of described pump shaft sidewall, radial direction is provided with fore bearing high pressure water axis hole, on the attachment face of the corresponding rear bearing of described pump shaft sidewall, radial direction is provided with rear bearing high pressure water axis hole, described axle central high pressure hole is connected with fore bearing high pressure water axis hole with rear bearing high pressure water axis hole respectively, the inwall of described fore bearing is provided with the equal pressure tank of fore bearing, outer wall is provided with fore bearing fluid power high-pressure trough, high pressure water hole, the equal pressure tank of described fore bearing premenstrual bearing fluid power face is connected with fore bearing fluid power high-pressure trough, the equal pressure tank of described fore bearing is connected with axle central high pressure hole through fore bearing high pressure water axis hole, described rear bearing inwall is provided with the equal pressure tank of rear bearing, outer wall is provided with rear bearing fluid power high-pressure trough, described rear bearing is provided with high pressure water Ji Hui chamber relative to the end face of the impeller rear end of multi-stage impeller, on described pump shaft, corresponding high pressure water Ji Hui chamber radial direction is provided with high pressure water and draws axis hole, described high pressure water is drawn axis hole one end and is connected with axle central high pressure hole, the other end is connected with high pressure water Ji Hui chamber, the equal pressure tank of described rear bearing is connected with rear bearing fluid power high-pressure trough through high pressure water hole, rear bearing fluid power face, the equal pressure tank of described rear bearing is connected with axle central high pressure hole through rear bearing high pressure water axis hole.
2. a kind of reverse osmosis seawater desalting multistage high-pressure pump according to claim 1, on the attachment face that it is characterized in that the corresponding Balance disc of described pump shaft sidewall, radial direction is provided with Balance disc high pressure water axis hole, described Balance disc inwall is provided with the equal setting-out chamber of Balance disc, Balance disc radial high-pressure water hole is provided with in described Balance disc, the described Balance disc end face corresponding with rear axle bearing sleeve is provided with Balance disc hydraulic dynamic groove, one end, described Balance disc radial high-pressure water hole is connected with Balance disc hydraulic dynamic groove through high pressure water hole, Balance disc fluid power face, the other end is connected with Balance disc high pressure water axis hole through the equal setting-out chamber of Balance disc.
3. a kind of reverse osmosis seawater desalting multistage high-pressure pump according to claim 1, equalizing line is provided with between the inlet segment that it is characterized in that described seal case and the pump housing, described equalizing line one end and seal case intracavity inter-connection, the other end is connected with the water-inlet cavity of the inlet segment of the pump housing.
4. a kind of reverse osmosis seawater desalting multistage high-pressure pump according to claim 1, it is characterized in that the Balance disc hydraulic dynamic groove circumferentially array on described Balance disc end face, and Balance disc hydraulic dynamic groove arranges centered by pump shaft axle center twist.
5. a kind of reverse osmosis seawater desalting multistage high-pressure pump according to claim 1, it is characterized in that the fore bearing fluid power face of described fore bearing is provided with fore bearing hydraulic dynamic groove, described fore bearing hydraulic dynamic groove is located at adjacent two adjacent angles place of fore bearing fluid power high-pressure trough respectively, and is that starting point extends respectively to fore bearing two ends mirror image with adjacent angle.
6. a kind of reverse osmosis seawater desalting multistage high-pressure pump according to claim 1, it is characterized in that the rear bearing fluid power face of described rear bearing is provided with rear bearing hydraulic dynamic groove, described rear bearing hydraulic dynamic groove is located on the diagonal of rear bearing fluid power high-pressure trough respectively, and with radial direction be benchmark diagonally respectively mirror image extend to rear bearing two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730987.2U CN204921450U (en) | 2015-09-21 | 2015-09-21 | Reverse osmosis seawater desalts multistage high -pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730987.2U CN204921450U (en) | 2015-09-21 | 2015-09-21 | Reverse osmosis seawater desalts multistage high -pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921450U true CN204921450U (en) | 2015-12-30 |
Family
ID=54970584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520730987.2U Withdrawn - After Issue CN204921450U (en) | 2015-09-21 | 2015-09-21 | Reverse osmosis seawater desalts multistage high -pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179297A (en) * | 2015-09-21 | 2015-12-23 | 山东双轮股份有限公司 | Reverse-osmosis seawater desalination multistage high-pressure pump |
| CN107299908A (en) * | 2016-12-12 | 2017-10-27 | 江苏国泉泵业制造有限公司 | A kind of pump hydrostatic formula water lubrication shaft bearing structure |
-
2015
- 2015-09-21 CN CN201520730987.2U patent/CN204921450U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179297A (en) * | 2015-09-21 | 2015-12-23 | 山东双轮股份有限公司 | Reverse-osmosis seawater desalination multistage high-pressure pump |
| CN107299908A (en) * | 2016-12-12 | 2017-10-27 | 江苏国泉泵业制造有限公司 | A kind of pump hydrostatic formula water lubrication shaft bearing structure |
| CN107299908B (en) * | 2016-12-12 | 2019-04-19 | 江苏国泉泵业制造有限公司 | A kind of pump hydrostatic formula water lubrication shaft bearing structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151230 Effective date of abandoning: 20161116 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |