CN105782254A - Stable supporting structure of long shafting for seawater source heat pump - Google Patents
Stable supporting structure of long shafting for seawater source heat pump Download PDFInfo
- Publication number
- CN105782254A CN105782254A CN201610238506.5A CN201610238506A CN105782254A CN 105782254 A CN105782254 A CN 105782254A CN 201610238506 A CN201610238506 A CN 201610238506A CN 105782254 A CN105782254 A CN 105782254A
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- CN
- China
- Prior art keywords
- supporting
- shaft
- source heat
- heat pump
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/10—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a stable supporting structure of a long shafting for a seawater source heat pump. The supporting structure comprises an upper shaft sealing location supporting structure body, a middle supporting structure body and a lower supporting body which are connected in sequence and connected with an upper shaft, a middle shaft and a lower shaft correspondingly. An upper supporting shaft lining is connected with the upper shaft. The supporting structure further comprises at least one middle supporting pipe and a lower supporting pipe, wherein middle supporting shaft linings connected to the middle shaft are arranged on the upper portion and the lower portion of the middle supporting pipe correspondingly; the lower shaft is sleeved with the lower supporting pipe in a connected mode; the lower shaft is connected with a lower supporting shaft lining; and at least one supporting board is arranged in the middle or on the lower portion within the whole length range of a pump supporting pipe. By means of the stable supporting structure, deformation of a crust is effectively reduced; the stability of the shafting is enhanced, and under the working conditions of marine floating tilting and swinging, each section of shafting is more stable; the stability of a pump unit is greatly improved; and due to the supporting effect of the supporting boards, the pump unit and a foundation are fixed effectively, and the stability of the pump crust and a long shafting pump is enhanced to a great extent.
Description
Technical field
The present invention relates to a kind of sea water source heat pump long axis system stable support structure that can ensure that sea water source heat pump stable operation under marine floating type operating mode tilts, waves.
Background technology
In recent years, natural gas proportion in Chinese energy consumption grows steadily, and LNG (liquefied natural gas) is the clean energy resource that the whole world is generally acknowledged at present, has the many merits such as energy-saving and environmental protection, safe and reliable, economic benefit is prominent.No matter the domestic or world is all in the exploitation rate accelerating LNG, the storage of Large marine natural gas floating and regasification plant (LNG-FSRU) are the new devices integrating natural gas storage, transporting, regasify, unload, there is depth of water wide accommodation, removable, reusable advantage, and sea water source heat pump is as the nucleus equipment of LNG device, with high content of technology, highly monopolization is in several offshore company's handss, and equipment price is expensive.
Wherein, ocean tilts, waves and run under floating operating mode, is huge challenge for the stability of pump assembly, and sea water source heat pump is a kind of vertical long shaft pump, tilts in ocean, waves under floating operating mode, and the stability of axle and housing becomes technical barrier.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of sea water source heat pump long axis system stable support structure, it is characterised in that: include the upper sealing place supporting construction, midfoot support structure and the bottom bracing structure that are sequentially connected with；The upper support axle bush of upper sealing place supporting construction is connected with upper shaft；Midfoot support structure includes at least one and is socketed on the intermediate supports pipe outside jackshaft, intermediate supports pipe be provided with the intermediate supports axle bush being connected on jackshaft up and down；Bottom bracing structure includes the lower support pipe being socketed on outside lower axle, and lower axle connects lower support axle bush；The middle part of stay tube length range is propped up or bottom arranges at least one piece of gripper shoe at pump；Upper support axle bush, intermediate supports axle bush and lower support axle bush are the axle bush being slidably connected.
Described all support axle bushes are AR engineering material and make.
Described AR engineering material is AR-1 material.
One end of described gripper shoe connects a residing stay tube, and the other end supports urceolus basis.
Described gripper shoe is that bolt is connected with a stay tube.
Described lower support axle bush is positioned on the downside of the impeller of lower axle.
The present invention designs simple in construction, stablizes, and intensity is enough, tilts in marine floating type operating mode, waves in operation, it may be achieved pump safety and stability operates, and has following significant technique effect:
1, the middle part of stay tube length range is propped up and bottom respectively arranges one auxiliary support plate at pump, described auxiliary support plate is placed in and props up between stay tube and urceolus basis, coordinate with a stay tube inside auxiliary support plate, coordinate with urceolus outside auxiliary support plate so that pump case multi-point support is on basis；
2, pump case supports further through a stay tube, axle bush supports and ensures stably to support with axle, also ensure that long axis system is under marine floating type operating mode, pump group body, stable support between axle and basis, reduce shell body and axle tilt in marine floating type operating mode, deformation when waving operation, under marine floating type operating mode, long axis system pump is more stable；
3, upper sealing place arranges slide bushings and supports, increase on the downside of lower axle impeller and slide bushings support is set, more than normal long axis system pump 2 places' slide bushings support, ensure that being respectively provided with two place's slide bushings in axle length range on every section of split axle supports, compared with rolling axle bush, slide bushings supports and can prevent axle system from bending, there is load-carrying ability big, vibration and noise are little, long service life, it is hardly damaged, simple structure, manufacture processing convenient disassembly, good absorbing performance, smooth running, running accuracy advantages of higher, inclination can be born, wave the impulsive force that operating mode is bigger, effectively realize axle and tie up to marine floating type operating mode, wave the stable support function to each split axle of long axis system level in operation；
4, material selected by slide bushings is AR-1 engineering material, this material has outstanding wear resistance, relatively low coefficient of friction, relatively low expansion rate, the processing good, easy of strong shock resistance, damping performance, self-lubricating property are good, it is possible to well buffer device vibration and impacting.
Accompanying drawing explanation
Fig. 1 is present invention overall structure schematic diagram when being applied to sea water source heat pump；
Fig. 2 is the upper sealing place supporting construction schematic diagram of the present invention；
Fig. 3 is the midfoot support structural representation of the present invention；
Fig. 4 is the bottom bracing structure schematic diagram of the present invention；
Fig. 5 is the lower support pipe place structural representation of the present invention.
1-lower support axle bush in figure, 2-suction casing, axle under 3-, 4-gripper shoe, 5-lower support pipe, 6-intermediate supports axle bush, 7-jackshaft, 8-intermediate supports pipe, 9-upper shaft, 10-supports axle bush, 11-outer tube wall.
Detailed description of the invention
Embodiment 1
As Figure 1-Figure 5, sea water source heat pump long axis system stable support structure, including the upper sealing place supporting construction, midfoot support structure and the bottom bracing structure that are sequentially connected with；Upper support axle bush 10 and the upper shaft 9 of upper sealing place supporting construction are slidably connected and upper shaft 9 are played a supporting role；According to operating mode needs, midfoot support structure includes 4 intermediate supports pipes 8 being socketed on outside jackshaft 7, intermediate supports pipe 8 be provided with the intermediate supports axle bush 6 being slidably connected on jackshaft 7 up and down；Bottom bracing structure includes being socketed on the lower support pipe 5 outside lower axle 3, and be slidably connected on the downside of the impeller of lower axle 3 lower support axle bush 1, and lower support axle bush 1 supports suction casing 2 and lower axle 3；The bottom propping up stay tube length range at pump arranges 1 piece of gripper shoe 4, and a terminal bolt of gripper shoe 4 connects a residing stay tube, and the other end supports outer tube wall 11；
Upper support axle bush 10, intermediate supports axle bush 6 and lower support axle bush 1 are AR-1 material, AR-1 material is a kind of superplasticity special engineering plastics succeeded in developing in 1977 by Imperial Chemical Industries (ICI) company, its material is characterised by that this material has outstanding wear resistance, relatively low coefficient of friction, relatively low expansion rate, the processing good, easy of strong shock resistance, damping performance, self-lubricating property are good, it is possible to well buffer device vibration and impacting.The composite that API610 standard recommendation use polyether-ether-ketone (PEEK) is base material substitutes traditional metal wear resistant material, and the one of which material that AR-1 is PEEK, the mechanical performance such as it is wear-resisting, shock resistance reached the top level in the world.
The present invention effectively reduces housing distortion, strengthen shafting stability, compare with common vertical long shaft pump, the very big enhancing of stability, tilt at marine floating type, wave under operating mode, every section of axle system has stability more, pump assembly stability is greatly promoted, and the support of gripper shoe is arranged, and effective and reasonable is connected fixing to pump assembly and basis, greatly enhance the stability of pump case and the stability of long axis system pump.
Embodiment 2
Embodiment 2 basic structure is identical with embodiment 1, needs different technical parameters as follows according to operating mode:
1) quantity arranging intermediate supports pipe 8 is 6；
2) middle part of stay tube length range is propped up and bottom respectively arranges 1 piece of gripper shoe 4 and supports with outer tube wall 11 at pump.One of gripper shoe 4 one end and outer tube wall 11 support, and the other end is connected fixing with lower support pipe 5 bolt, it is ensured that the shell stability of lower support pipe 5 to suction casing 2；Another block gripper shoe 4 one end and outer tube wall 11 support, and the other end is connected fixing with intermediate supports pipe 8 bolt being in middle part, it is ensured that the stability of jackshaft 7 and intermediate supports pipe 8.
The present invention effectively reduces housing distortion, strengthen shafting stability, compare with common vertical long shaft pump, the very big enhancing of stability, tilt at marine floating type, wave under operating mode, every section of axle system has stability more, pump assembly stability is greatly promoted, and the support of gripper shoe is arranged, and effective and reasonable is connected fixing to pump assembly and basis, greatly enhance the stability of pump case and the stability of long axis system pump.
Claims (6)
1. sea water source heat pump long axis system stable support structure, it is characterised in that: include the upper sealing place supporting construction, midfoot support structure and the bottom bracing structure that are sequentially connected with；The upper support axle bush (10) of upper sealing place supporting construction is connected with upper shaft (9)；Midfoot support structure includes at least one and is socketed on intermediate supports pipe (8) that jackshaft (7) is outside, intermediate supports pipe (8) be provided with the intermediate supports axle bush (6) being connected on jackshaft (7) up and down；Bottom bracing structure includes being socketed on the lower support pipe (5) that lower axle (3) is outside, and lower axle (3) is upper connects lower support axle bush (1)；The middle part of stay tube length range is propped up or bottom arranges at least one piece of gripper shoe (4) at pump；Upper support axle bush (10), intermediate supports axle bush (6) and lower support axle bush (1) are the axle bush being slidably connected.
2. sea water source heat pump long axis system stable support structure according to claim 1, it is characterised in that: described all support axle bushes are AR engineering material and make.
3. sea water source heat pump long axis system stable support structure according to claim 2, it is characterised in that: described AR engineering material is AR-1 material.
4. sea water source heat pump long axis system stable support structure according to claim 1 and 2, it is characterised in that: one end of described gripper shoe (4) connects a residing stay tube, and the other end supports and connects outer tube wall (11).
5. sea water source heat pump long axis system stable support structure according to claim 4, it is characterised in that: described gripper shoe (4) is that bolt is connected with a stay tube.
6. sea water source heat pump long axis system stable support structure according to claim 1 and 2, it is characterised in that: described lower support axle bush (1) is positioned on the downside of the impeller of lower axle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238506.5A CN105782254A (en) | 2016-04-18 | 2016-04-18 | Stable supporting structure of long shafting for seawater source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238506.5A CN105782254A (en) | 2016-04-18 | 2016-04-18 | Stable supporting structure of long shafting for seawater source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105782254A true CN105782254A (en) | 2016-07-20 |
Family
ID=56396725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610238506.5A Pending CN105782254A (en) | 2016-04-18 | 2016-04-18 | Stable supporting structure of long shafting for seawater source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027029A (en) * | 2018-07-18 | 2018-12-18 | 西安交通大学 | A kind of low vibration diaphragm coupling applied to high-speed high-power operating condition |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3328484A1 (en) * | 1983-08-06 | 1985-02-14 | Flux Geraete Gmbh | PUMP, ESPECIALLY DRUM OR SUBMERSIBLE PUMP |
| CN2475853Y (en) * | 2001-04-11 | 2002-02-06 | 大连深蓝泵业有限公司 | High temp. long axis pump for submerged use |
| US6401868B1 (en) * | 1999-08-02 | 2002-06-11 | Roy F. Senior, Jr. | Device and method for removing oil used to lubricate vertical turbine pumps |
| CN102102673A (en) * | 2009-12-21 | 2011-06-22 | 大连四方泵业有限公司 | Super-long submerged stirring and conveying pump |
| CN103953553A (en) * | 2014-05-26 | 2014-07-30 | 蓝深集团股份有限公司 | Borehole shaft driven pump |
| CN104514723A (en) * | 2015-01-08 | 2015-04-15 | 大连深蓝泵业有限公司 | Marine vertical deep well liquid cargo pump |
| CN205533810U (en) * | 2016-04-18 | 2016-08-31 | 大连深蓝泵业有限公司 | Sea for water resource heat pump major axis system stablize bearing structure |
-
2016
- 2016-04-18 CN CN201610238506.5A patent/CN105782254A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3328484A1 (en) * | 1983-08-06 | 1985-02-14 | Flux Geraete Gmbh | PUMP, ESPECIALLY DRUM OR SUBMERSIBLE PUMP |
| US6401868B1 (en) * | 1999-08-02 | 2002-06-11 | Roy F. Senior, Jr. | Device and method for removing oil used to lubricate vertical turbine pumps |
| CN2475853Y (en) * | 2001-04-11 | 2002-02-06 | 大连深蓝泵业有限公司 | High temp. long axis pump for submerged use |
| CN102102673A (en) * | 2009-12-21 | 2011-06-22 | 大连四方泵业有限公司 | Super-long submerged stirring and conveying pump |
| CN103953553A (en) * | 2014-05-26 | 2014-07-30 | 蓝深集团股份有限公司 | Borehole shaft driven pump |
| CN104514723A (en) * | 2015-01-08 | 2015-04-15 | 大连深蓝泵业有限公司 | Marine vertical deep well liquid cargo pump |
| CN205533810U (en) * | 2016-04-18 | 2016-08-31 | 大连深蓝泵业有限公司 | Sea for water resource heat pump major axis system stablize bearing structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027029A (en) * | 2018-07-18 | 2018-12-18 | 西安交通大学 | A kind of low vibration diaphragm coupling applied to high-speed high-power operating condition |
| CN109027029B (en) * | 2018-07-18 | 2020-10-27 | 西安交通大学 | Low-vibration diaphragm coupling |
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Application publication date: 20160720 |
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| WD01 | Invention patent application deemed withdrawn after publication |