CN103629393A - Conical surface sealing suction bottom valve matched with low-temperature immersed pump - Google Patents
Conical surface sealing suction bottom valve matched with low-temperature immersed pump Download PDFInfo
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- CN103629393A CN103629393A CN201310640881.9A CN201310640881A CN103629393A CN 103629393 A CN103629393 A CN 103629393A CN 201310640881 A CN201310640881 A CN 201310640881A CN 103629393 A CN103629393 A CN 103629393A
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- Prior art keywords
- low temperature
- immersed pump
- temperature immersed
- valve
- conical surface
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0171—Arrangement
- F17C2227/0178—Arrangement in the vessel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to the field of immersed pumps in low-temperature vertical tanks, and discloses a conical surface sealing suction bottom valve matched with a low-temperature immersed pump. The conical surface sealing suction bottom valve is arranged at the bottom of a pump well, and comprises a valve body, a valve plate, springs, spring guide rods and a sealing structure, wherein the valve body has a conical surface structure; the upper end of the valve body is provided with circular-arc bosses I; the upper end faces of the circular-arc bosses I are sealed with the flange end face of the pump well; the lower end of the valve body is provided with circular-arc bosses II; the spring guide rods pass through through holes in the circular-arc bosses II, and are fixed together with the valve plate; the middle part of the valve plate is supported inwards by using a rib plate to form a flow channel, and the top end of the valve plate is planar; the springs are sleeved on the peripheries of the spring guide rods and at the upper ends of the circular-arc bosses II, and are fixed on the spring guide rods through fixing devices. The conical surface sealing suction bottom valve has the advantages of simple structure, stable performance and high sealing performance; the conical surface sealing suction bottom valve is immersed into low-temperature liquid for a long period of time, so that maintenance is not needed, and the working requirement of safe running under a low-temperature working environment can be met.
Description
Technical field
The present invention relates to immersed pump field in low temperature vertical tank, be particularly related to the supporting conical surface seal of a kind of low temperature vertical immersed pump and suck bottom valve, can be applicable to LNG(is LNG Liquefied natural gas, and temperature is-162 °) conveying of the cryogenic media such as alkanes, olefines in industrial chain, coal tar furnace gas methanation LNG processed, dehydrogenating propane project.
Background technique
At present, in alkanes, the hydrocarbon medium of large, medium and small LNG receiving station, LNG liquefaction plant, coal tar furnace gas methanation LNG device processed and dehydrogenating propane project are carried, all need to use low temperature immersed pump, because medium has the characteristic of low temperature, inflammable, explosive and easy vaporization, therefore require to carry the pumping unit of this medium to there is sealing reliably and the reliable feature of structural safety, but the design difficulty of this low temperature immersed pump is very large.
Present stage low temperature immersed pump market is mainly by several the monopolizations such as Nikkiso of the J.C.Carter of the U.S., Japanese Ebara company, Japan, and the domestic manufacturing firm that there is no carries out research and production to low temperature immersed pump in LNG tank.Therefore, the external interdependency of this low temperature immersed pump is higher, and price is also very expensive.
The production domesticization of low temperature immersed pump and supporting suction bottom valve is conducive to the cost control in low temperature immersed pump Process of Localization, be conducive to the maintenance of low temperature immersed pump, the lifting that is conducive to domestic low temperature immersed pump overall design and manufactures level of processing, be conducive to the application extension of state's inner spring under worst cold case, be conducive to the application of domestic low temperature seal cushion material.Therefore, urgently
oneplant the supporting conical surface seal of low temperature immersed pump and suck bottom valve.
Summary of the invention
The object of the invention is: in order to solve, existing low temperature immersed pump designed, designed difficulty is large, the external high and expensive technical problem of interdependency, provide the supporting conical surface seal of a kind of low temperature immersed pump to suck bottom valve, by the deadweight of low temperature immersed pump, controlled the open and close of valve plate, the service condition of low temperature immersed pump be can meet, safety and reliable sealing in maintenance process guaranteed simultaneously.
For achieving the above object, the technical solution used in the present invention is: provide the supporting conical surface seal of a kind of low temperature immersed pump to suck bottom valve, it is arranged on pump sump 2 bottoms, comprising: valve body 5, valve plate 11, spring 6, spring guide 7, sealing configuration; Described valve body 5 adopts cone structure, and valve body 5 upper ends are provided with arc cam I 12, and the end face of flange of the upper-end surface of described arc cam I 12 and pump sump 2 seals; Described valve body 5 lower ends are provided with arc cam II 13, and described spring guide 7 is fixing through through hole and the valve plate 11 of arc cam II 13, and described valve plate 11 middle parts inwardly by gusset support, form runner and its top is plane; Described spring 6 is enclosed within the upper end of spring guide 7 outer rims, arc-shaped convex II 13, and is fixed on spring guide 7 by fixing device; Described sealing configuration comprises: be fastened on the sealing gasket 14 of valve body 5 bottom ends and be arranged between the runner gusset and spring guide 7 of valve plate 11, the two circle arc convex in pressing plate 15 interior outsides.
Wherein, the supporting plane sealing suction of described low temperature immersed pump bottom valve also comprises: the anti-rotation device that is arranged at valve body 5 lower end inwalls; Described anti-rotation device is anti-rotation pawl 8, and the anti-rotation pawl I of described anti-rotation pawl 8 and low temperature immersed pump 3 self is staggered, and lattice gear mutually.
Wherein, described sealing gasket 14 adopts smooth plain cushion, and is fastened on valve body 5 by austenite stainless keeper plate of steel 15.
Wherein, the material of described sealing gasket 14 is ultra-high molecular weight polyethylene, teflon or Furtulon.
Wherein, described fixing device is spring capping 9, and described spring capping 9 adds locating stud with spring guide 7 employing screw threads or unthreaded hole and is connected.
Wherein, between described spring guide 7 and the through hole of arc cam II 13, be provided with setting sleeve 10.
Wherein, between described arc cam I 12 and the end face of flange of pump sump 2, adopt O type circle or metal wound gasket to seal; Between described low temperature immersed pump 3 and suction bottom valve 4, adopt cone structure to seal, and low temperature immersed pump 3 contact completely with the sealing surfaces that sucks bottom valve 4.
Wherein, the angle of the cone structure of described valve body 5 is consistent with low temperature immersed pump 3 cone structure angles.
Wherein, described spring 6 is cylindrical helical spring, and material is spring stainless steel, and the weight relationships of its spring force and low temperature immersed pump 3 is: the weight of low temperature immersed pump 3 is greater than spring force.
The invention has the beneficial effects as follows: the present invention is controlled the open and close of valve plate by the deadweight of low temperature immersed pump, in low temperature immersed pump running, suck bottom valve low temperature immersed pump is communicated with storage tank; When carrying out the maintenance of low temperature immersed pump, suck bottom valve low temperature immersed pump and storage tank are carried out to isolating seal, can effectively prevent that in storage tank, dielectric leakage out, guarantees the Security of operation.Simple in structure, stable performance of the present invention, good airproof performance, be immersed in cryogenic liquide and do not need to be serviced for a long time, can realize the job requirement of safe operation under low-temperature working environment.
Accompanying drawing explanation
Fig. 1 is mounting point of the present invention schematic diagram.
Fig. 2 is structural representation of the present invention.
Fig. 3 is sealed structural representation of the present invention.
Accompanying drawing sign: 1-storage tank, 2-pump sump, 3-low temperature immersed pump, 4-sucks bottom valve, 5-valve body, 6-spring, 7-spring guide, 8-anti-rotation pawl, 9-spring capping, 10-setting sleeve, 11-valve plate, 12-arc cam I, 13-arc cam II, 14-sealing gasket, 15-pressing plate.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The present invention selects Austenitic Stainless Steel, aluminum alloy as its valve body 5, valve plate 11 materials; The material selection ultra-high molecular weight polyethylene of sealing configuration, polytetrafluoroethylene (PTFE), Furtulon (V7026); Spring 6 is selected spring stainless steel.
With reference to Fig. 1, the supporting conical surface seal of a kind of low temperature immersed pump of the present invention sucks bottom valve and is arranged on pump sump 2 bottoms, and integral body is immersed in cryogenic liquide.
With reference to Fig. 2, the present invention includes: valve body 5, valve plate 11, spring 6, spring guide 7, sealing configuration, be arranged at the anti-rotation device of valve body 5 lower end inwalls; Described valve body 5 adopts cone structure, and valve body 5 upper ends are provided with arc cam I 12, and the end face of flange of the upper-end surface of described arc cam I 12 and pump sump 2 seals; Described valve body 5 lower ends are provided with arc cam II 13, and described spring guide 7 is fixing through through hole and the valve plate 11 of arc cam II 13, and described valve plate 11 middle parts inwardly by gusset support, form runner and its top is plane; Described spring 6 is enclosed within the upper end of spring guide 7 outer rims, arc-shaped convex II 13, and is fixed on spring guide 7 by fixing device; Described sealing configuration comprises: be fastened on the sealing gasket 14 of valve body 5 bottom ends and be arranged between the runner gusset and spring guide 7 of valve plate 11 cone structures, the two circle arc convex in pressing plate 15 interior outsides, guaranteed to suck the sealing reliability under bottom valve 4 low temperature.Wherein, the boss structure of valve plate 11 upper and lower end face designs, compares with same kind of products at abroad, has reduced captured area, has strengthened the resistance to liquid.
Described anti-rotation device is anti-rotation pawl 8, when low temperature immersed pump 3 is in place, described anti-rotation pawl 8 is staggered with the anti-rotation pawl I of low temperature immersed pump self, realize mutual lattice gear, thereby prevent that low temperature immersed pump 3 from suction bottom valve 4, relative rotation occurring in running, increase stability and the reliability of complete machine running, guaranteed the safe and stable operation of low temperature immersed pump 3.
Described fixing device is spring capping 9, and described spring capping 9 adds locating stud with spring guide 7 employing screw threads or unthreaded hole and is connected, and this structure can be adjusted the aperture that sucks bottom valve 4 more accurately.When spring 6 elastic force are when larger, be difficult for compression, utilize thread pore structure by tight screw thread can be more prone to the decrement of Regulation spring 6.
With reference to Fig. 3, because sealing gasket 14 sizes are larger, for guaranteeing the planeness of circumferencial direction, described sealing gasket 14 adopts smooth plain cushion, and is fastened on valve body 5 by austenite stainless keeper plate of steel 15.In sucking bottom valve 4 closing process, under the effect of spring force, the arc convex crush seal pad 14 on valve plate 11, plays the effect of sealing.In addition, adopt this kind of arc convex, reduced the area of sealing, the in the situation that of identical pressure, the sealing force needing reduces, and is easy to sealing.The convex surface seal form of inside and outside two circles, has guaranteed that the sealing of suction bottom valve 4 is more reliable.The design of this sealing configuration, has guaranteed low temperature immersed pump 3 hanging out and carrying out the maintenance period from pump sump 2, and in storage tank, medium does not leak in environment, has guaranteed the Security of using.
For prevent valve plate open or closing process in the generation that is unfavorable for the phenomenon that seals such as be offset, rock, between described spring guide 7 and the through hole of arc cam II 13, be provided with setting sleeve 10, with restraining spring guide rod 7 radial-plays, compare with same kind of products at abroad structure, this structure has the guidance quality of better spring guide, the unlatching, the closing process that make to suck bottom valve 4 are more steady, and sealing is more reliable.
Between described arc cam I 12 and the end face of flange of pump sump 2, adopt O type circle or metal wound gasket to seal; Between described low temperature immersed pump 3 and suction bottom valve 4, adopt cone structure to seal, and low temperature immersed pump 3 contact completely with the sealing surfaces that sucks bottom valve 4.
The angle of the cone structure of described valve body 5 cavitys is consistent with the angle of low temperature immersed pump 3 cone structures.
Described spring 6 is cylindrical helical spring, and material is spring stainless steel, and it is linear that characteristic line is, and rigidity is stable.Described spring 6 according to the weight of pump group, valve plate weight, stressed and seal the analysis of required power, carried out detailed analytical calculation, the weight relationships of its spring force and low temperature immersed pump 3 is: the weight of low temperature immersed pump 3 is greater than spring force, has improved the reliability that sucks bottom valve.Described spring 6 lifts spring guide 7 by spring capping 9 and locating stud, and spring guide 7 is connected with valve plate 11, be that the power indirectly-acting of spring 6 is on valve plate 11, further by the decrement of Regulation spring 6, regulate the size of the power that lifts valve plate 11, until reach suction bottom valve aperture and the sealing effect of designing requirement.
Working procedure of the present invention is: low temperature immersed pump 3 is dropped to and sucked bottom valve 4 inside by pump sump 2, at this moment the lower end surface of low temperature immersed pump 3 acts on valve plate 11 upper-end surfaces, deadweight Compress Spring 6 by low temperature immersed pump 3, valve plate 11 is opened downwards, thereby realized the unlatching that sucks bottom valve 4, low temperature immersed pump 3 is communicated with storage tank 1, starts normally operation; In carrying out tank during the maintenance of low temperature immersed pump 3, low temperature immersed pump 3 is hung out from pump sump 2, the power that now low temperature immersed pump 3 acts on valve plate 11 reduces gradually, until low temperature immersed pump 3 departs from valve plate 11 completely, valve plate 11 is risen to valve body 11 lower end sealing surfaces and is removed completely by lifting of spring 6, thereby completed, suck closing of bottom valve 4, low temperature immersed pump 3 is realized isolating seal with the cryogenic media in storage tank 1, effectively prevent that the interior dielectric leakage of storage tank 1 is in environment, guaranteed the safety of maintenance.
The present invention has taken into full account sealing material shrinkage amount at low temperatures, and the machining accuracy of the surface roughness of valve plate, conical surface degree has guaranteed to suck bottom valve 4 sealing reliability at low temperatures thus.
Above content is the further description of the present invention being done in conjunction with optimal technical scheme, can not assert that the concrete enforcement of invention only limits to these explanations.Concerning general technical staff of the technical field of the invention, not departing under the prerequisite of design of the present invention, can also make simple deduction and replacement, all should be considered as protection scope of the present invention.
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Claims (10)
1. the supporting conical surface seal of low temperature immersed pump sucks bottom valve, it is characterized in that, the supporting conical surface seal of described low temperature immersed pump sucks bottom valve and is arranged on pump sump (2) bottom, comprising: valve body (5), valve plate (11), spring (6), spring guide (7), sealing configuration; Described valve body (5) adopts cone structure, and valve body (5) upper end is provided with arc cam I (12), and the end face of flange of the upper-end surface of described arc cam I (12) and pump sump (2) seals; Described valve body (5) lower end is provided with arc cam II (13), and described spring guide (7) is fixing through through hole and the valve plate (11) of arc cam II (13), and described valve plate (11) middle part inwardly by gusset support, forms runner and its top is plane; Described spring (6) is enclosed within the upper end of spring guide (7) outer rim, arc-shaped convex II (13), and is fixed on spring guide (7) by fixing device; Described sealing configuration comprises: the two circle arc convex that are fastened on the sealing gasket (14) of valve body (5) bottom end and are arranged on outside between the runner gusset and spring guide (7) of valve plate (11), in pressing plate (15).
2. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, the supporting plane sealing of described low temperature immersed pump sucks bottom valve and also comprises: the anti-rotation device that is arranged at valve body (5) lower end inwall; Described anti-rotation device is anti-rotation pawl (8), and described anti-rotation pawl (8) is staggered with the anti-rotation pawl I of low temperature immersed pump (3) self, and lattice keep off mutually.
3. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, described sealing gasket (14) adopts smooth plain cushion, and is fastened on valve body 5 by pressing plate 15.
4. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 3 sucks bottom valve, it is characterized in that, the material of described sealing gasket (14) is ultra-high molecular weight polyethylene, teflon or Furtulon.
5. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, described fixing device is spring capping (9), and described spring capping (9) adds locating stud with spring guide (7) employing screw thread or unthreaded hole and is connected.
6. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, between described spring guide (7) and the through hole of arc cam II (13), is provided with setting sleeve (10).
7. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, between described arc cam I (12) and the end face of flange of pump sump (2), adopts O type circle or metal wound gasket to seal.
8. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, between described low temperature immersed pump (3) and suction bottom valve (4), adopt cone structure to seal, and low temperature immersed pump (3) contact completely with the sealing surfaces that sucks bottom valve (4).
9. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, the angle of the cone structure of described valve body (5) is consistent with the angle of low temperature immersed pump (3) cone structure.
10. the supporting conical surface seal of a kind of low temperature immersed pump according to claim 1 sucks bottom valve, it is characterized in that, described spring (6) is cylindrical helical spring, material is spring stainless steel, and the weight relationships of its spring force and low temperature immersed pump (3) is: the weight of low temperature immersed pump (3) is greater than spring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640881.9A CN103629393A (en) | 2013-12-26 | 2013-12-26 | Conical surface sealing suction bottom valve matched with low-temperature immersed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640881.9A CN103629393A (en) | 2013-12-26 | 2013-12-26 | Conical surface sealing suction bottom valve matched with low-temperature immersed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103629393A true CN103629393A (en) | 2014-03-12 |
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ID=50210730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310640881.9A Pending CN103629393A (en) | 2013-12-26 | 2013-12-26 | Conical surface sealing suction bottom valve matched with low-temperature immersed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629393A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258826A (en) * | 2014-09-15 | 2015-01-07 | 江苏大学 | Active/controllable mesoporous material ion-surface imprinted polymer as well as preparation method and application of ion-surface imprinted polymer |
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
| WO2017084677A1 (en) * | 2015-11-18 | 2017-05-26 | Wärtsilä Svanehøj A/S | Foot valve and caisson comprising a foot valve |
| CN110056540A (en) * | 2019-04-29 | 2019-07-26 | 成都华气厚普机电设备股份有限公司 | A kind of horizontal immersed pump device |
| CN113446266A (en) * | 2021-06-18 | 2021-09-28 | 大连深蓝泵业有限公司 | Vibration damper for in-tank immersed pump |
| CN113803286A (en) * | 2021-10-28 | 2021-12-17 | 大连深蓝泵业有限公司 | Low-temperature immersed pump shaft displacement testing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876120A (en) * | 1974-01-14 | 1975-04-08 | Itt | Pumping system and method |
| US3963381A (en) * | 1975-05-21 | 1976-06-15 | Air Products And Chemicals, Inc. | Double foot valve for cryogenic fluid containing tanks |
| US4080106A (en) * | 1976-01-12 | 1978-03-21 | International Telephone And Telegraph Corporation | Purged valve assembly and method of sealing |
| CN2570559Y (en) * | 2002-06-06 | 2003-09-03 | 扬州开发区日利达有限公司 | Magnetic force controlled float valve |
| CN203641572U (en) * | 2013-12-04 | 2014-06-11 | 大连深蓝泵业有限公司 | Conical sealing suction bottom valve matched with low temperature immersed pump |
-
2013
- 2013-12-26 CN CN201310640881.9A patent/CN103629393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876120A (en) * | 1974-01-14 | 1975-04-08 | Itt | Pumping system and method |
| US3963381A (en) * | 1975-05-21 | 1976-06-15 | Air Products And Chemicals, Inc. | Double foot valve for cryogenic fluid containing tanks |
| US4080106A (en) * | 1976-01-12 | 1978-03-21 | International Telephone And Telegraph Corporation | Purged valve assembly and method of sealing |
| CN2570559Y (en) * | 2002-06-06 | 2003-09-03 | 扬州开发区日利达有限公司 | Magnetic force controlled float valve |
| CN203641572U (en) * | 2013-12-04 | 2014-06-11 | 大连深蓝泵业有限公司 | Conical sealing suction bottom valve matched with low temperature immersed pump |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258826A (en) * | 2014-09-15 | 2015-01-07 | 江苏大学 | Active/controllable mesoporous material ion-surface imprinted polymer as well as preparation method and application of ion-surface imprinted polymer |
| CN104258826B (en) * | 2014-09-15 | 2016-08-17 | 江苏大学 | A kind of activity/controlled mesoporous material surface ion imprinted polymer and preparation method and application |
| WO2017084677A1 (en) * | 2015-11-18 | 2017-05-26 | Wärtsilä Svanehøj A/S | Foot valve and caisson comprising a foot valve |
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
| CN106594301B (en) * | 2016-12-22 | 2019-11-05 | 武汉船用机械有限责任公司 | A kind of bottom valve for immersed pump pump sump |
| CN110056540A (en) * | 2019-04-29 | 2019-07-26 | 成都华气厚普机电设备股份有限公司 | A kind of horizontal immersed pump device |
| CN110056540B (en) * | 2019-04-29 | 2024-01-26 | 厚普清洁能源(集团)股份有限公司 | Horizontal immersed pump device |
| CN113446266A (en) * | 2021-06-18 | 2021-09-28 | 大连深蓝泵业有限公司 | Vibration damper for in-tank immersed pump |
| CN113803286A (en) * | 2021-10-28 | 2021-12-17 | 大连深蓝泵业有限公司 | Low-temperature immersed pump shaft displacement testing technology |
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Application publication date: 20140312 |