CN102444579A

CN102444579A - Liquid ring compressors for subsea compression of wet gases

Info

Publication number: CN102444579A
Application number: CN2011103201992A
Authority: CN
Inventors: C·奥尔伯格; A·K·辛普森; J·D·弗里德曼; V·米克莱西
Original assignee: General Electric Co
Current assignee: General Electric Co
Priority date: 2010-10-11
Filing date: 2011-10-11
Publication date: 2012-05-09
Anticipated expiration: 2031-10-11
Also published as: EP2439412A3; EP2439412B1; US20120087808A1; JP2012087783A; EP2439412A2; RU2011140740A; RU2593218C2; JP5960962B2; CN102444579B

Abstract

The present disclosure is directed to liquid ring compressors that can be employed to remove liquid from a wet gas and/or to compress a wet gas. In one embodiment, a liquid ring compressor (22) includes a shaft (64), a main body inner casing (62) disposed about the shaft (64) to form a chamber (72) between the shaft (64) and the main body inner casing (62), and an inlet (42) configured to remove a portion of liquid from a wet gas and to direct the wet gas into the chamber (72). The liquid ring compressor (22) also includes an impeller (66) rotatably disposed within the chamber (72) and configured to direct a remaining portion of the liquid in the wet gas out towards the main body inner casing (62) to form a liquid ring (96) within the chamber to compress the wet gas.

Description

The liquid-piston compressor that is used for the extra large lower compression of humid gas

Technical field

Theme disclosed herein relates to liquid-piston compressor, and relates more specifically to be used in the liquid-piston compressor that compresses humid gas under the sea in the environment.

Background technique

In under the sea, handling, oil and/or gas can use and be positioned at sea bed and equipment on ambulatory platform or the floating platform is handled.The sea is handled down and possibly suffered in the extreme environment of mal-condition particularly useful at equipment on the water surface.In addition, sea processing down can provide the output of increase, and between development period, reduces top equipment cost.Following pumping in sea and/or supercharging station are generally used for well fluids is delivered to floating platform or continental rise production facility to be used for further processing from sea bed.One or more compressors can be used in sea station down, and compressor is pump operated so that be provided for well fluids is delivered to the power of the water surface.

Summary of the invention

In first embodiment; A kind of liquid-piston compressor comprises axle, main body inner housing, inlet and impeller; The main body inner housing is arranged so that between axle and main body inner housing, form chamber around axle; Inlet is configured in order to removing partially liq from humid gas and humid gas is directed to the chamber, and impeller rotatably is arranged in the chamber and is configured to be guided out towards the main body inner housing in order to the remainder with the liquid in the humid gas, compresses humid gas so that in chamber, form pendular ring.

In a second embodiment; A kind of liquid-piston compressor comprises axle, inner housing, impeller, aperture, gas outlet and liquid outlet; Inner housing is arranged so that between axle and inner housing, form chamber around axle; Impeller rotatably is arranged in the chamber and is configured to and compresses humid gas in order to liquid is guided out towards inner housing so that in chamber, form pendular ring, and orifice structure becomes in order to remove partially liq from pendular ring; Gas outlet is connected on the chamber so that from the humid gas of liquid-piston compressor guiding compression, and liquid outlet is connected on the aperture so that from the part that removes of liquid-piston compressor guiding liquids.

In the 3rd embodiment; A kind of extra large lower compression system comprises liquid-piston compressor and conventional compressor; Liquid-piston compressor is configured in order to remove liquid from humid gas, and conventional compressor is arranged in the liquid-piston compressor downstream so that compress the humid gas from liquid-piston compressor.

Description of drawings

When reading following detailed description with reference to accompanying drawing, these and further feature, aspect and the advantage of the present invention understanding that will improve, the similar label in institute's drawings attached is represented similar parts, in the accompanying drawings:

Fig. 1 has drawn an embodiment of the extra large lower compression system that can use liquid-piston compressor;

Fig. 2 is the perspective view that can be used for an embodiment of the liquid-piston compressor in the extra large lower compression system of Fig. 1;

Fig. 3 is the sectional view of the liquid-piston compressor of Fig. 2;

Fig. 4 is the sectional view that can be used for another embodiment of the liquid-piston compressor in the extra large lower compression system of Fig. 1;

Fig. 5 is the perspective view that in inner housing, comprises an embodiment of the liquid-piston compressor that removes the liquid aperture;

Fig. 6 is the perspective view that in inner housing, comprises another embodiment of the liquid-piston compressor that removes the liquid aperture;

Fig. 7 is the sectional view that in end plate, comprises an embodiment of the liquid-piston compressor that removes the liquid aperture; And

Fig. 8 is the sectional view that in end plate, comprises another embodiment of the liquid-piston compressor that removes the liquid aperture.

Project list

10 compression systeies

12 production areas

14 sea beds/ocean bed

16 production facilities

18 waters surface

20 supercharging stations (boosting station)

22 liquid-piston compressors

24 conventional compressors

26 streamlines (flow line)

28 liquid streamlines

30 produced fluid streamlines

32 compressed vapour streamlines

34

36 motors

38 by-passes (bypass line flow)

40 main bodys

42 entrance zone, threshold zones

44 inner housings

46 framies

48 chambers

50 fluids

52 inside

54 openings

56 liquid that remove

58 residual fluids

60 framies

62 inner housings

64

66 impellers

67 arrows

68 plates

69 plates

70 chambers

71 plates

72 chambers

74 chambers

76 chambers

78 dividers

80 arrows

82 arrows

84 arrows

86 openings

88 arrows

90 openings

92 openings

94 openings

96 pendular rings

98 openings

100 openings

102

103 arrows

104 plates

106 openings

108 openings

110 plates

112 openings

114 openings

116 openings

118 openings

120 plates

122 openings

124 plates

126 openings

Embodiment

Hereinafter will be described one or more specific embodiment of the present invention.For these embodiments' concise and to the point description is provided, all characteristics of actual implementation can not described in specification.Will be appreciated that; In the exploitation of the actual implementation of any of these; As in any engineering or the design object; Must make the specific decision of many implementations to realize developer's specific objective, the relevant and commercial relevant restriction of the system that for example follows, it can change to another mode of execution from a mode of execution.In addition, will be appreciated that such development maybe be very complicated and consuming time, but the normal work to do that for benefiting from those of ordinary skill of the present disclosure, remains design, produces and make.

When introducing various embodiments' of the present invention element, there are one or more elements in article " ", " one ", the expression of " being somebody's turn to do " and " said " intention.Term " comprises ", " comprising " and " having " be intended to comprising property, and mean the additional element that can exist except listed element.

The disclosure is to extra large lower compression system, and this system uses liquid-piston compressor to compress the humid gas with big liquid volume rate (LVF).According to some embodiment, the LVF of humid gas is from 0% to 5%, and all subranges therebetween.More specifically, the LVF of humid gas can be at least 0.1%.In addition, according to some embodiment, the LVF of humid gas can only be slightly larger than 0.1%.Liquid in the humid gas is used by liquid-piston compressor as herein described, so that form pendular ring, this pendular ring provides the positive displacement of the humid gas in the liquid-piston compressor.At least a portion liquid that separates to form pendular ring with humid gas can remove through the opening in the liquid-piston compressor housing.Therefore, except that the compression humid gas, liquid-piston compressor also can be used for making liquid and humid gas to separate.In certain embodiments, liquid-piston compressor can use at the upper reaches of conventional compressor (for example centrifugal compressor, radial compressor or screw compressor), so that reduce the amount of liquid that gets into conventional compressor.According to some embodiment, liquid-piston compressor can use so that substitute steam-liquor separator at the upper reaches of conventional compressor, and steam-liquor separator increases Operating Complexity and cost than liquid-piston compressor.In addition, liquid-piston compressor can be designed in order to regulate the stream of the humid gas that gets into conventional compressor through the fluctuation that reduces the amount of liquid that gets into conventional compressor.

Fig. 1 has drawn an embodiment of extra large lower compression system 10, and extra large lower compression system 10 is provided for fluid (for example rock gas) is delivered to from the generation district 12 on sea bed or the ocean bed 14 pressure of the production facility 16 that is positioned on the water surface 18.According to some embodiment, production area 12 can comprise the one or more wells that are positioned on sea bed or the ocean bed 14.Production facility 16 can be on the sea or ocean surface 18 float, perhaps can be positioned at the land.Compression system 10 can be positioned at supercharging station 20 places, and supercharging station 20 12 guides to production facility 16 with fluid from the production area.Supercharging station 20 can be connected to single aboveground, perhaps can be the part of collecting the manifold of fluid from a plurality of wells.

Compression system 10 comprises the liquid-piston compressor 22 that is positioned at conventional compressor 24 upper reaches.According to some embodiment, conventional compressor 24 especially can comprise the coaxial compressor of centrifugal compressor, radial compressor, screw compressor or spiral.In certain embodiments, conventional compressor 24 can be represented multistage conventional compressor.In addition, in certain embodiments, liquid-piston compressor 22 can be represented multistage liquid-piston compressor.In addition, in other embodiments, can omit conventional compressor 24.In these embodiments, compression system 10 can comprise one or more liquid-piston compressors 22 and can get rid of conventional compressor 24.

Compression system 10 receives produced fluid through streamline 26, and streamline 26 is connected to liquid-piston compressor 22 with production area 12.The produced fluid that gets into liquid-piston compressor 22 is the humid gas with high relatively LVF, and in certain embodiments, it is about 0.1% to 5% that this LVF can be, and all subranges therebetween.According to some embodiment, expectation is only a little more than 0.1% for the LVF of the humid gas of the compression member that gets into liquid-piston compressor 22.For example, in certain embodiments, expectation is between 0.1% and 0.2% for the LVF of the humid gas that gets into compression chamber, or more particularly between 0.10% and 0.15%.Yet, in other embodiments, for the target LVF of the humid gas that gets into compression chamber, can be depending on some factors (the for example initial LVF of the design of liquid-piston compressor, humid gas, and operation pressure) and change.According to some embodiment, as hereinafter further describes with reference to Fig. 2, if the LVF of humid gas greater than only a little more than 0.1%, partially liq can get at humid gas and remove from humid gas before the compression chamber.For example, in certain embodiments, partially liq can in the inlet of liquid-piston compressor 22 and/or the upper reaches of liquid-piston compressor 22 remove.

In liquid-piston compressor 22, at least a portion liquid in the humid gas separates to form pendular ring with humid gas, and pendular ring provides the normotopia in-migration pressurized gas of the gas in the produced fluid.According to some embodiment, gas can be compressed in liquid-piston compressor 22.Yet, in other embodiments, few compression or not compression can take place in the liquid-piston compressor 22.In these embodiments, liquid-piston compressor 22 can be mainly used in liquid and humid gas are separated.The produced fluid that leaves liquid-piston compressor 22 can have the LVF that is lower than the humid gas that gets into liquid-piston compressor 22.According to some embodiment, it is about 20% to 100% that the LVF of humid gas can reduce, and all subranges therebetween.

Streamline 28 is connected on the liquid-piston compressor 22 so that remove liquid from liquid-piston compressor 22.For example, at least a portion liquid from pendular ring can guide to production facility 16 through liquid streamline 28.The amount of the liquid that removes through liquid streamline 28 in certain embodiments, can be depending on the LVF of the humid gas that gets into liquid-piston compressor 22.For example, when LVF is high relatively, compare removable more liquid when low relatively with LVF.In addition, when LVF is quite low, for example about 0.5% to 1% or littler, possibly there is not liquid to remove through liquid streamline 28.In other embodiments, liquid streamline 28 can be connected on the suction booster but not be connected on the production facility 16, and in the discharge manifold of supercharging station 20, liquid can combine with the produced fluid that leaves supercharging station 20 suction booster there with the liquid discharging that removes.

Produced fluid from liquid-piston compressor removes through streamline 30, and streamline 30 guides to conventional compressor 24 with produced fluid (being mainly gas) from liquid-piston compressor 22.In conventional compressor 24, produced fluid is compressed the pressure that produced fluid is guided to production facility 16 from supercharging station 20 to provide.According to some embodiment, supercharging station 20 can be designed to the pressure loss in order to compensation longshore current line 26,28 and 32 generations.The produced fluid of compression leaves conventional compressor 24 through streamline 32, and streamline 32 guides to production facility 16 with the produced fluid of compression.

As shown in fig. 1, conventional compressor 24 is arranged with vertical configuration with liquid-piston compressor 22, and is driven by the common shaft 34 that is connected on the motor 36 (for example speed-changing driving device).According to some embodiment, conventional compressor 24 can be contained in the single monolithic case with liquid-piston compressor 22.Yet in other embodiments, conventional compressor 24 can be contained in the independent shell with liquid-piston compressor 22.In addition, in certain embodiments, conventional compressor 24 can be driven by the independent axle that gear-box was connected with liquid-piston compressor 22.In also having other embodiment, conventional compressor 24 separately can be by independent axle and motor driven with liquid-piston compressor 22.

In certain embodiments, bypass streamline 38 can be included in the compression system 10, so that produced fluid 12 is directly guided to conventional compressor 24 from the production area, thereby walks around liquid-piston compressor 22.When having small amount of liquid in the produced fluid, can use by-pass line 38.Yet, in other embodiments, can omit by-pass line 38.In addition, in certain embodiments, in supercharging station 20, can comprise miscellaneous equipment (especially for example pump and control piece).This equipment can be connected to power through the umbilical link and supply with communicating by letter.For example, in certain embodiments, supercharging station 20 can receive power from the umbilical cord that is connected in power supply on the bank or the platform power supply.

Fig. 2 has drawn an embodiment of liquid-piston compressor 22.Liquid-piston compressor 22 comprises main body 40 and entrance zone, threshold zone 42, and entrance zone, threshold zone 42 is directed to humid gas in the main body 40.Entrance zone, threshold zone 42 comprises the inner housing 44 that is arranged in the frame 46, so that between housing 44 and 46, form chamber 48.Can be from the produced fluid of streamline 26 (Fig. 1) as getting into entrance zone, threshold zone 42 by that kind of arrow 50 shown in roughly.Particularly, produced fluid can be directed in the inside 52 of inner housing 44.When produced fluid flows through innerly 52 the time, the partially liq that is included in the produced fluid can flow through the opening 54 of inner housing 44, so that 52 flow in the chambers 48 internally.According to some embodiment, entrance zone, threshold zone 42 can necessarily tilt and arrange so that promote separating of liquid and produced fluid.In certain embodiments, entrance zone, threshold zone 42 can be the standpipe of ring-type volute inlet (toroidal scroll inlet) or inclination.The liquid that is collected in the chamber 48 can be as being removed from liquid-piston compressor 22 by that kind of arrow 56 shown in roughly.According to some embodiment, the liquid that removes can be directed to liquid streamline 28, thereby walks around the main body 40 of liquid-piston compressor 22.Yet in other embodiments, the liquid that removes can be directed to the independent liquid pipeline that removes.In addition, in certain embodiments, the liquid that removes can be directed in the chamber 70 of liquid-piston compressor 22, there liquid can as by arrow 88 roughly shown in and as hereinafter is further discussed, remove from liquid-piston compressor.Produced fluid from inner 52 is as being got in the main body 40 by that kind of arrow 58 shown in roughly.

Main body 40 comprises the frame of arranging around inner housing 62 60, and inner housing 62 is arranged around axle 64.Inner housing 62 is connected on the motor drive shaft 34 shown in Fig. 1, so that with respect to frame 60 and axle 64 rotations.Impeller 66 and is connected on the inner housing 62 between axle 64 and inner housing 62, so as to allow impeller 66 as by that kind of arrow 67 shown in roughly with inner housing 62 rotations.Plate 68 and 69 is positioned on the end of main body 40, so that between frame 60 and inner housing 62, form chamber 70.Plate 68 extends to inner housing 62 from frame 60, and plate 69 extends to axle 64 from frame 60.Plate 71 also extends to axle 64 from inner housing 62, so that the chamber 72 that comprises impeller 66 is sealed with entrance zone, threshold zone 42 interior liquid collection chamber 48.For illustrative purposes, excise part plate 71 and shown the impeller 66 in the chamber 72.In other embodiments, continuous plate (rather than two independent plate 68 and 71) can extend to axle 64 from frame 60.The frame 46 of entrance zone, threshold zone 42 can be connected on plate 68 and/or the plate 71, so that the liquid seal that comprises in the liquid collection chamber 48 with the main body of liquid-piston compressor 40 and entrance zone, threshold zone 42.

The inner housing 44 of entrance zone, threshold zone 42 can be connected on the axle 64 of main body 40, so that produced fluid is guided to the inlet chamber 74 in the axle 64 from the inside 52 of entrance zone, threshold zone 42.As shown in Figure 2, axle 64 be a hollow, and comprises inlet chamber 74 and the outlet chamber 76 that was opened in 78 minutes by divider.Produced fluid flows through axle 64 inlet chamber 74, and can flow through the opening that is included in the axle 64 getting into chamber 72, as by that kind of arrow 80 shown in roughly.In chamber 72, produced fluid (mainly being gas) can disperse between the blade of impeller 66.Yet produced fluid also comprises small amount of liquid, and it also gets into chamber 72.In certain embodiments, produced fluid can have about LVF of 1.0% to 1.1%.Yet in other embodiments, the LVF that gets into the produced fluid of chamber 72 can be depending on some factors (the especially for example initial LVF of the design of liquid-piston compressor, humid gas, and operation pressure) and littler or bigger.

As shown in Figure 3, when liquid flowed in the chamber 72, the rotation of impeller 66 can be applied to centrifugal force on the liquid, thereby liquid is guided out so that form pendular ring 96 towards inner housing 62.In addition, when impeller 66 rotations, gas is formed on the pendular ring compression in the chamber 72.As by that kind of arrow 82 shown in roughly, compressed fluid flows in the outlet chamber 76 through the opening the axle 64 from chamber 72.As by that kind of arrow 84 shown in roughly, compressed fluid leaves liquid-piston compressor 22 through the outlet chamber 76 of axle 64 then.As shown in fig. 1, compressed fluid can flow through streamline 30 to conventional compressor 24 from liquid-piston compressor 22.

According to some embodiment, when compression produced fluid in chamber 72, the liquid in the produced fluid can further reduce the LVF of produced fluid rapidly.In addition, some Versatiles are the part that is formed at the pendular ring in the chamber 72.Opening 86 (for example notch) is included in the inner housing 62, so that remove too much liquid from chamber 72.For example, the too much liquid from pendular ring can flow through opening 86 to be collected in the chamber 70 between inner housing 62 and the frame 60.As shown in Figure 3, the liquid of collection can flow through the outlet that is arranged in the plate 69 leaving liquid-piston compressor 22 from chamber 70, as by that kind of arrow 88 shown in roughly.In other embodiments, outlet can be arranged in the frame 60.In addition, in further embodiments, outlet can be arranged in the plate 68 or in the plate 71.In certain embodiments, liquid can be conducted through plate 68 or plate 71 in the liquid collection chamber 48 of entrance zone, threshold zone 42.As shown in fig. 1, liquid can be from liquid-piston compressor 22 guiding through streamline 28.

As shown in the figure, opening 86 is depicted as along inner housing 62 isolated notches.Yet in other embodiments, the size of opening 86, shape and/or spacing can change.For example, in certain embodiments, opening 86 especially can be circle, rectangle or triangle.Opening 86 also can be arranged to any configuration or pattern structure.In addition, in certain embodiments, opening 86 can be designed with cross section, and this cross section is designed under constant operational condition to obtain from chamber 72 liquid of constant volumes stream or mass flow.Opening 86 also may be selected to the amount of liquid that makes acquisition expectation under constant operational condition in the position on the inner housing 62.Yet in certain embodiments, opening 86 can be located down so that shape stable and/or the change pendular ring in specific operation condition (for example the possible pressure as maximum compares) strategicly.In addition, the operating parameter of liquid-piston compressor 22 (the for example revolution of back pressure and/or impeller 66 per minutes) can change so that change the amount of liquid that obtains.

Fig. 3 is the embodiment's of the liquid-piston compressor 22 shown in Fig. 2 a decomposition view.In this embodiment, inner housing 62 is with impeller 66 rotations, and produced fluid gets into main body 40 through the chamber in the axle 64 74.Yet in other embodiments, as hereinafter further described with reference to Fig. 4, axle 64 can rotate with impeller, and the opening that produced fluid can pass through in the plate (for example plate 104) gets into main body 40.

As shown in Figure 3, header board 71 comprises opening 90, and opening 90 and axle 64 rough alignment are so that allow produced fluid to get into axle 64 from the chamber 48 of entrance zone, threshold zone 42.Back plate 69 comprises opening 92, and opening 92 and axle 64 rough alignment are so that allow the produced fluid of compression to leave liquid-piston compressor 22 from the outlet chamber 76 of axle 64.Back plate 69 also comprises opening 94, and the liquid that opening 94 allows to be collected in the chamber 70 leaves liquid-piston compressor 22.

As shown in Figure 3, run through housing 60 and main body 40 is cut open divider 78 is shown, divider 78 is divided into inlet chamber 74 and outlet chamber 76 with the inside of axle 64.Produced fluid get into axle through inlet chamber 74 and flow through in the axle 74 opening 98 to be formed at spools 64 and inner housing 62 between chamber 72.In chamber 72, produced fluid disperses between the blade of impeller 66.Axle 64 is arranged in inner housing 64 with impeller 66 prejudicially, and pendular ring 96 forms wiper seal with impeller 66.Therefore, when impeller 66 rotated with inner housing 62, the size in the space between the impeller blade reduced, thus the produced fluid of compression arrangement between impeller blade.The produced fluid of compression flows through the opening 100 of axle in 64 then to being included in the interior outlet chamber 76 of axle 64.The produced fluid of compression can leave outlet chamber 76 through the opening 92 in the plate 69 of back then.

Fig. 4 has drawn another embodiment of liquid-piston compressor 22.Liquid-piston compressor 22 comprises solid shaft 102, and solid shaft 102 is with impeller 66 rotation, as by that kind of arrow 103 shown in roughly.Therefore, in this embodiment, impeller 66 is connected on the axle 102, but not is connected on the inner housing 62 that keeps static.Header board 104 is arranged on the entry end of main body 40, and comprises the opening 106 that is used for produced fluid is guided to from the inside 52 of entrance zone, threshold zone 42 wheel chamber 72.In certain embodiments, except that plate 104, can use taperer that produced fluid is guided to chamber 72 from entrance zone, threshold zone 42.Header board 104 also comprises the opening 108 that is used for liquid is guided to from the liquid collection chamber 48 of entrance zone, threshold zone 42 chamber 70.Yet, in other embodiments, can omit opening 108, and can not get into the main body 40 of liquid-piston compressor 22 from the liquid of liquid collection chamber 48.

As preceding text with reference to Fig. 3 described, when impeller 66 rotated in chamber 72, liquid formed pendular ring 96, pendular ring 96 can combine impeller 66 to use with the compression produced fluid.Too much liquid from pendular ring 96 can flow through opening 86 to the outer chamber 70 in the inner housing 62.As shown in Figure 4, opening 86 concentrates in the section of inner housing 62; Yet in other embodiments, opening 86 can be opened around the circle spacing of inner housing 62.

On the end relative that back plate 110 is arranged in main body 40, so that allow the produced fluid of liquid and compression to leave liquid-piston compressor 22 with header board 104.Back plate 110 comprises that the produced fluid that is used for compression guides to the opening 112 of streamline 30 (Fig. 1) from liquid-piston compressor 22, and the opening 94 that is used for liquid is guided to from liquid-piston compressor 22 streamline 28.Back plate 110 also comprises opening 114, and opening 114 allows solid shaft 102 to extend through back plate 110, and axle 102 can be connected on axle 34 (shown in Fig. 1) there.

As can recognizing, header board 104 only provides with the mode of example with back plate 110, and is not intended to limit.In other embodiments, a plurality of plates, baffle plate, taperer or other fluid guiding mechanism can be used to produced fluid and liquid are guided to liquid-piston compressor 22 and/or guide produced fluid and liquid from liquid-piston compressor 22.In addition, opening 106,108,112 and 94 position, shape and/or big I change.In addition, in other embodiments, the opening 112 of the produced fluid that is used to compress and/or the opening 94 that is used for liquid can be arranged in the main body 40 of liquid-piston compressor 22, but not on the plate 110 of back.In addition, in certain embodiments, the opening 112 of the produced fluid that is used to compress and/or the opening 94 that is used for liquid can be arranged in header board 104.

Shape, size and/or the position of included opening 86 also can change on the inner housing 62.For example, Fig. 5 and Fig. 6 have drawn alternative opening 116 and 118, and it can be included on the inner housing 62 so that liquid is guided to chamber 70 from pendular ring.As shown in Figure 5, opening 116 comprises notch, and notch extends so that remove liquid from pendular ring along the length of inner housing 62.As shown in Figure 6, opening 118 comprises along inner housing 62 isolated circular opens.Opening 116 and 118 can be used for having in the liquid-piston compressor that rotates inner housing, as shown in Fig. 2 and Fig. 3, perhaps is used for having the liquid-piston compressor of running shaft, that kind as shown in Figure 4.In addition, in other embodiments, opening especially can be ellipse, square or triangle, and can be arranged in the diverse location place on the inner housing 62.

As on inner housing 62, comprising substituting of opening, perhaps except on inner housing 62, comprising the opening, the opening that is used for removing from pendular ring liquid also can be positioned at header board and/or back plate.For example, Fig. 7 and Fig. 8 have drawn back

plate

120 and 124, and back

plate

120 and 124 comprises opening 122 and 126 respectively, and they can be used for removing liquid from pendular ring.As shown in Figure 7, back plate 120 comprises slit opening 122, and slit opening 122 is spaced apart around inner opening 92, so that allow liquid to leave outer chamber 70 through back plate 120.As shown in Figure 8, back plate 124 comprises circular open 126, and circular open 126 concentrates in the section of back plate 124, so that allow liquid directly 72 to leave liquid-piston compressor 22 from the wheel chamber.

Opening

122 and 126 can be used for having in the liquid-piston compressor that rotates inner housing 62, or is used for having the liquid-piston compressor of running shaft 102.In addition, opening 122 and 126 shape, size and/or position can change.For example, in other embodiments, opening 122 and 126 can be included on the header board.According to some embodiment, opening 122 and 126 position can be selected as and make and when pendular ring reaches predetermined size, obtain fluid.In addition, in certain embodiments, this position may be selected to and makes and under the normal operating state of liquid-piston compressor, obtain liquid, and does not obtain gas from produced fluid.In addition, in other embodiments, opening can have another shape, especially for example circle, ellipse, rectangle or triangle.

This written description comes openly to comprise the present invention of optimal mode with example, and makes those skilled in the art can embodiment of the present invention, comprises making and using any device or system and carry out any method that is included.Patentable scope of the present invention is limited accompanying claims, and can comprise other example that those skilled in the art expect.If the literal language that this other example has with accompanying claims does not have the various structure element; If perhaps they comprise the equivalent structure element that does not have essential difference with the literal language of accompanying claims, then this other example intention within the scope of the appended claims.

Claims

1. a liquid-piston compressor (22) comprising:

Axle (64);

Main body inner housing (62), said main body inner housing (62) is arranged so that between said axle (64) and said main body inner housing (62), form chamber (72) around said axle (64);

Inlet (42), said inlet (42) is configured in order to remove partially liq from humid gas and said humid gas is directed to the said chamber (72); And

Impeller (66); Said impeller (66) rotatably is arranged in the said chamber (72) and is configured to and is guided out towards said main body inner housing (62) in order to the remainder with the liquid in the said humid gas, compresses said humid gas so that in said chamber (72), form pendular ring (96).

2. liquid-piston compressor according to claim 1 (22) is characterized in that, said inlet (42) comprises ring-type volute inlet.

3. liquid-piston compressor according to claim 1 (22); It is characterized in that; Said inlet (42) comprises inlet inner housing (44), inlet frame (46) and the opening (54) that is positioned at said inlet inner housing (44); Said inlet inner housing (44) has the inside (52) that is configured in order to receive said humid gas; Said inlet frame (46) arranges that around said inlet inner housing (44) said opening (54) is configured to be directed in the said liquid collection chamber (48) in order to the separating part with said liquid so that form liquid collection chamber (48) betwixt.

4. liquid-piston compressor according to claim 3 (22) is characterized in that, said inlet inner housing (46) is connected to said axle (64), so that said humid gas is directed in the inlet chamber (74) in the said axle (64).

5. liquid-piston compressor according to claim 1 is characterized in that, said axle (64) comprises quill shaft, and wherein, said main body inner housing (62) is configured in order to rotate with said impeller (66).

6. liquid-piston compressor according to claim 1 is characterized in that, said axle (64) is configured in order to said impeller (66) rotation, and wherein, said main body inner housing (62) is configured to keep static.

7. liquid-piston compressor according to claim 1 is characterized in that, said liquid-piston compressor comprises main body cover body (60), and said main body cover body (60) is arranged so that form liquid trapped volume (70) betwixt around said main body inner housing (62).

8. a liquid-piston compressor (22) comprising:

Axle (64);

Inner housing (62), said inner housing (62) is arranged so that between said axle (64) and said inner housing (62), form chamber (72) around said axle (64);

Impeller (66), said impeller (66) rotatably are arranged in the said chamber (72) and are configured to and compress humid gas in order to liquid is guided out towards said inner housing (62) so that in said chamber (72), form pendular ring (96);

Aperture (86,116,118,126), said aperture (86,116,118,126) are configured in order to remove the part of said liquid from said pendular ring (96);

Gas outlet (92,112), said gas outlet (92,112) are connected to that said chamber (72) is gone up so that from the humid gas of the said compression of said liquid-piston compressor (22) guiding; And

Liquid outlet (94,122), said liquid outlet (94,122) are connected to that said aperture (86,116,118) is gone up so that from the part that removes of the said liquid of said liquid-piston compressor (22) guiding.

9. liquid-piston compressor according to claim 8 is characterized in that, said aperture (86,116,118) wherein at least some are arranged in the said inner housing (62).

10. liquid-piston compressor according to claim 8; It is characterized in that; Said liquid-piston compressor comprises a pair of end plate (124 of the opposite end that is arranged in said inner housing (62); 104), wherein, said aperture (126) wherein at least some are arranged in wherein at least one of said paired end plate.