EP3175114B1 - Partie supérieure de boîtier d'un compresseur à piston à labyrinthe et son procédé de refroidissement - Google Patents

Partie supérieure de boîtier d'un compresseur à piston à labyrinthe et son procédé de refroidissement Download PDF

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Publication number
EP3175114B1
EP3175114B1 EP15750943.1A EP15750943A EP3175114B1 EP 3175114 B1 EP3175114 B1 EP 3175114B1 EP 15750943 A EP15750943 A EP 15750943A EP 3175114 B1 EP3175114 B1 EP 3175114B1
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EP
European Patent Office
Prior art keywords
cylinder
interior
longitudinal axis
outlet
gas distribution
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.)
Active
Application number
EP15750943.1A
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German (de)
English (en)
Other versions
EP3175114A1 (fr
Inventor
Urs Weilenmann
Benjamin REMBOLD
Andreas Allenspach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Burckhardt Compression AG
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Burckhardt Compression AG
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Publication date
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Publication of EP3175114A1 publication Critical patent/EP3175114A1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1046—Combination of in- and outlet valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/045—Labyrinth-sealing between piston and cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders

Definitions

  • the invention relates to an upper housing part of a labyrinth piston compressor according to the preamble of claim 1.
  • the invention further relates to a labyrinth piston compressor comprising an upper housing part.
  • the invention also relates to a method for cooling an upper housing part of a labyrinth piston compressor according to claim 12.
  • Labyrinth piston compressors are compressors for compressing fluids.
  • a piston is arranged in a cylinder such that there is permanently a gap between the lateral surface of the piston and the inner wall of the cylinder, so that piston and cylinder do not touch each other. It is deliberately accepted that part of the fluid flows past the piston between the cylinder wall and the lateral surface. In order to keep such leakage low, the gap between the cylinder wall and the lateral surface is kept as small as possible.
  • the publication JP2010209723 discloses such a labyrinth piston compressor with an upper housing part. This labyrinth piston compressor has the disadvantage that a unilateral wear of the piston may occur, resulting in an increased gap width and increased leakage.
  • the object of the invention is to form a more advantageous upper housing part for a labyrinth piston compressor and a more advantageous labyrinth piston compressor and a more advantageous method for operating a labyrinth piston compressor with such a housing upper part.
  • the dependent claims 2 to 8 relate to further advantageous embodiments.
  • the object is further achieved with a labyrinth piston compressor comprising an upper housing part according to one of claims 1 to 8.
  • the object is further achieved by a method for operating an upper housing part of a labyrinth piston compressor comprising the features of claim 12.
  • the dependent claims 13 to 15 relate to further advantageous method steps ,
  • an upper housing part of a labyrinth piston compressor comprising a cylinder jacket extending in the direction of a longitudinal axis with a cylinder interior and a cylinder jacket outer side, wherein the cylinder jacket has at least one cylinder inlet opening or at least one cylinder outlet opening, which open into the cylinder interior, wherein a Gasverteilgephaseuse the cylinder jacket in the circumferential direction to the longitudinal axis at least partially encloses, so between the gas distribution housing and at least a portion of the cylinder jacket outer side of the cylinder jacket, a Gasverteilinnenraum is formed, wherein the partial section is axially symmetrical with respect to the longitudinal axis, wherein the Gasverteilinnenraum either via the cylinder inlet or the cylinder outlet fluidly connected to the cylinder interior, and wherein the Gasverteilgephaseuse either a gas inlet or a gas outlet includes which fluid is conductively connected to the Gasverteilinnenraum .
  • the object is further achieved, in particular, with a method for cooling an upper housing part of a labyrinth piston compressor comprising a cylinder jacket extending in the direction of a longitudinal axis with a cylinder interior and a cylinder jacket outer side, wherein an inlet fluid to be compressed is sucked into the cylinder interior via a cylinder inlet opening arranged on the cylinder jacket from a gas distributor interior, or wherein a compressed outlet fluid is discharged from the cylinder interior into the gas distribution chamber via a cylinder outlet opening arranged on the cylinder jacket, and sections of the cylinder jacket outer side arranged axially symmetrically opposite to the longitudinal axis are flowed around by the same inlet fluid or outlet fluid.
  • a labyrinth piston compressor also referred to as a labyrinth piston compressor, comprises at least one housing top part and a housing bottom part, and comprises at least a crankshaft, a crosshead, a piston rod and a piston.
  • the upper housing part and the lower housing part are fixed to one another connected.
  • the crankshaft and the crosshead are arranged, wherein the piston rod is connected to the crosshead.
  • the housing upper part comprises a cylinder jacket, wherein the piston is arranged within the cylinder interior of the cylinder jacket, and wherein the piston is connected to the piston rod, and wherein the piston is displaceably mounted within the cylinder interior in the direction of the longitudinal axis.
  • the labyrinth piston compressor also comprises a spacer which is arranged between the lower housing part and the upper housing part, wherein the spacer may also be part of the lower housing part or part of the upper housing part, or wherein the spacer may be integrated in the upper housing part or in the lower housing part.
  • the upper housing part according to the invention for a labyrinth piston compressor has the advantage that the cylinder wall surrounding the piston of the labyrinth piston compressor has an essentially axially symmetrical temperature distribution in the circumferential direction relative to the longitudinal axis. This means that the cylinder wall has the same or essentially the same temperature at regions which are axially symmetrical with respect to the longitudinal axis. This ensures that the cylinder jacket does not distort unilaterally during operation of the labyrinth piston compressor due to the acting temperature. This has the consequence that the gap between the cylinder wall and the piston can be kept very small, since a temperature change of the cylinder jacket during operation has no or only a slight delay result.
  • the small gap has the consequence that the inventive Labyrinth piston compressor has a low leakage.
  • the inventive labyrinth piston compressor also has a low wear, which allows long-term reliable and low-maintenance operation of the labyrinth piston compressor.
  • a gas distribution housing which extends in the circumferential direction through 360 ° surrounds the cylinder wall from the outside, wherein in this formed by the Gasverteilgeophuse and the cylinder wall Gasverteilinnenraum either a compressed inlet fluid or a compressed outlet fluid flows, resulting in that the cylinder jacket outer side is flowed around in the circumferential direction by the same fluid, and therefore the cylinder jacket outer side in the circumferential direction therefore has the same or substantially the same temperature.
  • the inlet fluid flowing into the labyrinth piston compressor and the outflowing outlet fluid are advantageously routed in the housing upper part according to the invention in such a way that the cylinder has the same or essentially the same temperature in the circumferential direction.
  • the cylinder jacket in the direction of the longitudinal axis may have a section higher or lower temperatures, wherein in a particularly advantageous embodiment of the cylinder in the circumferential direction the same or in the Has substantially the same temperature. Due to the symmetrical or substantially symmetrical temperature distribution, it is ensured that the cylinder jacket does not warp on one side due to the temperature. This makes it possible to keep the abrasion of the piston and the cylinder inner surface very low and to ensure that during operation of the labyrinth piston compressor no one-sided wear occurs, which could lead to increased leakage and possibly to a piston seizure.
  • Such a labyrinth piston compressor comprising the inventive housing top has the advantage that it has a higher efficiency, and / or that the fluid is compressible to a higher pressure and / or that the labyrinth piston compressor can be operated at a lower speed.
  • inventive upper housing part has in the document JP2010209723 revealed upper housing part or the labyrinth piston compressor in the uncooled state in the circumferential direction of the cylinder greatly different temperatures, so that the cylinder during operation, a thermal distortion occurs, with the result that the piston on one side of the cylinder wears.
  • the upper housing part according to the invention is made of aluminum or an aluminum alloy.
  • Aluminum has much better low-temperature properties than, for example, cast iron such as gray cast iron.
  • a cylinder with aluminum cylinder is approved for an operating temperature of up to -160 ° C, while a gray iron cylinder is only approved for an operating temperature of up to -40 ° C is allowed.
  • a labyrinth piston compressor comprising the inventive housing upper part made of aluminum or an aluminum alloy thus has the advantage that it can be used even at very low operating temperatures of up to -160 ° C, for example in the field of cryotechnology or the cryogenic technology at temperatures lower than - 150 ° C, for example, for the liquefaction of gases.
  • An upper housing part made of aluminum or an aluminum alloy also has the advantage that its production is more cost-effective than an upper housing part made of an iron alloy, for example made of cast iron.
  • Fig. 1 shows a partial section of a labyrinth piston compressor 21 comprising, together with the components, not shown, an upper housing part 1, a spacer 22, a piston 15 with a piston rod 16, a seal 23 and a linear guide 24.
  • the upper housing part 1 comprises a cylinder jacket 2 with a in the direction of Longitudinal axis L extending cylinder interior 2a.
  • the piston 15 is disposed within the cylinder interior 2a, and is displaceably mounted together with the piston rod 16 in the direction of the longitudinal axis L in the direction of movement L1.
  • the piston 15 has on the side surface 15 a forming Surface on fine, circumferentially extending grooves, which are not shown in detail.
  • the cylinder jacket 2 comprises at least one cylinder inlet opening 4, which opens into the cylinder interior 2a.
  • a cylinder outlet opening 6 is arranged on the end face of the cylinder interior 2a.
  • the cylinder inlet opening 4 and the cylinder outlet opening 6 are preferably arranged spaced apart in the longitudinal direction L.
  • the cylinder outlet 2 is only slightly higher than the cylinder inlet opening 4.
  • the cylinder jacket 2 is surrounded by a Gasverteilgephase 9a, such that between the outer side 2e of the cylinder jacket 2 and the Gasverteilgephase 9a in the circumferential direction 360 ° extending inner space 9b is formed.
  • the gas distribution housing 9a has at least one gas inlet opening 9, and in the illustrated embodiment has two gas inlet openings 9, which are opposite to the longitudinal direction L and through which the inlet fluid to be compressed is sucked from the outside. Between the inner space 9b and the cylinder inlet opening 4 there is arranged an inlet valve 5 which is shown only schematically, which allows the gas to pass in the direction indicated by an arrow and prevents a gas flow in the opposite direction. In the illustrated embodiment, two inlet valves 5 are arranged symmetrically to the longitudinal direction L.
  • the gas distribution housing 9a has an access opening 9c for the valve 5 to maintain or replace the valve 5.
  • the access opening 9 c is closed by a cover plate 19. At the upper end side of the cylinder 2, a frontal end part 8 is arranged.
  • the closure part 8 comprises three cylinder outlet openings 6, which are each followed by a schematically illustrated outlet valve 7.
  • the Exhaust valves 7 pass the compressed discharge fluid or gas in the direction indicated by an arrow, and prevent a gas flow in the opposite direction.
  • the termination part 8 ends in a gas outlet 10.
  • a piston rod seal 23 is also arranged in the upper housing part 1.
  • the labyrinth piston compressor 21 in the illustrated embodiment also comprises a spacer 22 with a base 18 and a linear guide 24.
  • the upper housing part 1 is connected via the spacer 22 with a housing lower part 25 only hinted.
  • the upper housing part 1 is fixed to the stand 18.
  • the labyrinth piston compressor 21 comprises a compression space 3 at the top, whereas an inlet and outlet 2f, which forms a fluid-conducting connection between the lower cylinder interior 3c and the interior 9b of the gas distribution housing 9a, is arranged below in the cylinder wall 2d.
  • the cylinder inlet openings 4 are arranged in the direction of the longitudinal axis L at the same height and spaced apart in the circumferential direction by 180 °. This arrangement has the advantage that the fluid flowing in via the gas inlet 9 flows into the interior space 9 b, while the cylinder jacket outer side 2 e flows around before the gas flows via the inlet valve 5 into the cylinder inlet opening 4.
  • the cylinder jacket outer side 2e therefore has the same or approximately the same temperature in the circumferential direction. Due to the compression of the gas in the compression chamber 3, the temperature of the housing wall of the cylinder jacket 2 can increase in the direction of the longitudinal axis L in the direction of the cylinder outlet 6 out, the cylinder jacket 2 in the circumferential direction in each case has the same or about the same temperature. As a result, the cylinder jacket 2 radially to the longitudinal axis L a symmetrical or approximately symmetrical temperature distribution, which has the consequence that in the radial direction no or hardly any heat distortion on the cylinder jacket 2 is formed. This gives the advantage that the piston does not wear on one side. This increases the seal of the piston 15, or allows the gas in the compression chamber 3 to compress to a higher pressure. In addition, the efficiency of the labyrinth piston compressor is increased.
  • FIG. 2 shows a plan view of the in FIG. 1 Housing shell 21 shown at the front end part 8 of the gas outlet 10 and the exhaust valves 7 can be seen.
  • the Gasverteilgepatuse 9 a has left and right each have a cover 19.
  • FIG. 3 shows in a longitudinal section a further embodiment of a housing upper part 1, which in contrast to the in FIG. 1 illustrated embodiment is designed for two compression chambers, a first compression chamber 3a and a second compression chamber 3b.
  • the spacer 22 may also be part of the upper housing part 1.
  • the area above the piston 15 is configured identically as in FIG FIG. 1 shown.
  • the cylinder opening 4a is shown with inlet valve 5a, which open into the first compression chamber 3a, and the cylinder outlet 6a and the outlet valve 7a, which are arranged between the first compression chamber 3a and the gas outlet 10a.
  • the cylinder interior 2a below the piston 15 form a second compression chamber 3b.
  • top view of the upper housing part 1 according FIG. 3 shows the gas outlet 10a of the first compression space 3a, and shows the exhaust valves 7a.
  • gas inlet 9 is shown, which is arranged laterally in the gas distribution housing 9a.
  • FIG. 5 shows that in the FIGS. 3 and 4 illustrated upper housing part 1 in a perspective view, in particular the gas inlet 9 is visible, and above and below the gas outlet 10a of the first compression chamber 3a and the gas outlet 10b of the second compression chamber 3b.
  • FIG. 6 shows a longitudinal section along the section line CC of the in FIGS. 3, 4 and 5 shown housing upper part.
  • FIG. 9 shows a cross section along the section line DD of the in the FIGS. 3 to 6 illustrated housing top part 1, wherein in contrast to the Figures 3 and 6 in FIG. 9 the piston 15 is not shown, and of the exhaust valves 5, only the valve seat 5b is shown.
  • the gas distribution housing 9a is configured in such a way that it forms an interior space 9b extending all the way around an angle ⁇ of 360 ° about the outside of the cylinder jacket 2e, the gas inlet 9 opening into this interior 9b.
  • This arrangement of the gas inlet 9 has the advantage that the aspirated gas initially along the Cylinder jacket outer side 2e flows to then be sucked through the inlet valves 5a, 5b in the first and second compression chamber 3a, 3b.
  • FIG. 6 shows the front end part 8, in which the cylinder outlet 6a, the flow direction subsequently arranged outlet valve 7a and the subsequently arranged gas outlet 10a is visible.
  • FIG. 6 shows the front end part 8, in which the cylinder outlet 6a, the flow direction subsequently arranged outlet valve 7a and the subsequently arranged gas outlet 10a is visible.
  • FIGS. 1 to 6 illustrated embodiments have cylinder outlet 6, 6a, 6b, which are respectively arranged on the end face 2b, 2c of the cylinder interior 2. Since the gas compressed in the compression chamber 3a, 3b is also heated during the compression, the compressed outlet gas flowing out via the cylinder outlet openings 6, 6a, 6b has a higher temperature than the inlet gas to be compressed flowing into the cylinder interior 2. Because the exit gas is not passed through the cylinder wall 2d, but is discharged via the end face 2b, 2c of the cylinder interior 2, the cylinder wall 2d is heated less locally, with the result that a possible thermal distortion of the cylinder jacket 2 is considerably reduced.
  • the derivation of the exit gas at the end face also has the advantage that the discharge at the end of the cylinder interior 2a or outside the cylinder interior 2 a, so that the warmer, outflowing gas can not heat the cylinder wall 2 d at all or only to a very slight extent.
  • the cylinder interior 2a in the direction of the longitudinal axis L has an interior length L2 which is smaller than the length of the gas distribution interior 9b, as shown in FIG FIG. 6 is shown.
  • This embodiment has the advantage that the inlet gas flowing in via the gas inlet 9 also cools that outer side 2e of the cylinder jacket 2, behind which the end-side end part 8 is arranged so that it too is cooled, with the result that temperature differences in the cylinder jacket 2 are reduced be, and thus a possible thermal distortion of the cylinder jacket 2 is reduced.
  • FIGS. 1 to 6 illustrated embodiments could also be configured such that the intake valves 5 and the exhaust valves 7 are arranged reversed, so that the inlet fluid via the gas outlet 10 and the inlet valve 5 flows into the compression chamber 3, and the discharge fluid from the compression chamber 3 via the cylinder inlet 4 and the exhaust valve 7 flows into the gas chamber 9b.
  • the outlet fluid flows around the cylinder jacket outer side 2e and exits at the opening 9, the cylinder jacket outer side 2e having a uniform temperature distribution.
  • FIG. 7 shows a further embodiment of a housing upper part 1.
  • a fluid-conducting connection channel 17 is arranged, so that via an opening 17a, a gas-conducting connection between the gas outlet 10a and the Gas line housing 10c is formed.
  • the gas outlet 10a is closed in a gas-tight manner by means of a cover plate 20, which is shown only partially, so that the entire compressed outlet gas flowing out via the outlet valve 7a is supplied to the gas line housing 10c and subsequently to the gas outlet 10b.
  • This in FIG. 7 illustrated embodiment of an upper housing part 1 thus has the advantage that it has a single gas inlet 9 and a single gas outlet 10b.
  • FIG. 8 shows in a longitudinal section a fourth embodiment of a housing upper part 1.
  • the labyrinth piston compressor 21 associated piston 15 with piston rod 16 is not shown.
  • the cylinder outlet openings 6 are likewise arranged in the cylinder wall 2d of the cylinder jacket 2.
  • the end-side closing part 8 is configured such that a fluid-conducting channel is formed between the compression space 3 and the cylinder outlet openings 6.
  • Each of the cylinder outlet openings 6 is followed by an outlet valve 7, which opens into a gas distribution interior 10f.
  • An access opening 10e for the outlet valve 7 is closed by a cover plate 19.
  • the gas distribution interior 10f has a gas outlet 10a on the rear side, for which reason the gas outlet 10a is shown only in broken lines. Otherwise, the upper housing part 1 is substantially as in FIG. 1 designed configured.
  • FIGS. 10 to 12 show a fifth embodiment of a housing upper part.
  • FIG. 10 shows in a longitudinal section an upper housing part 1 with a first and a second Compaction space 3a, 3b.
  • Two cylinder openings 4a open into the first compression space 3a.
  • a cylinder opening 4b opens into the second compression chamber 3b.
  • the access openings 9 c for the valves 5 a, 5 b are closed with cover plates 19.
  • a gas inlet 9 opens into the gas distribution chamber 9b.
  • FIG. 11 shows in a longitudinal section an upper housing part 1 with a first and a second compression chamber 3a, 3b.
  • FIG. 12 shows a section through the Figures 10 and 11 along the section line EE, wherein in FIG. 12 the piston 15 and the piston rod 16 are not shown.
  • the gas distribution housings 9a are configured in such a way that the gas distribution interior 9b rests against the outside of the cylinder jacket 2e only along a part section 2g.
  • the sections 2g extend axially symmetrically with respect to the longitudinal axis L, which has the consequence that with respect to the longitudinal axis L opposite sections 2g of Zylindermantelaussenseite 2e have the same or about the same temperature, since these opposite sections 2g are flowed around by the same gas, either from compressed inlet gas or compressed exit gas.
  • the partial section 2g extends in the circumferential direction U over at least 20 ° or at least 30 °.
  • the Gasverteilinnenopathyopathy 9b configured mutually perpendicular in the illustrated section.
  • the Gasverteilinnenippo 9b as in FIG. 14 represented, each other also run at a sharp or an obtuse angle.
  • FIG. 14 illustrated embodiment has the advantage that the upper housing part 1 requires less space, so that several Labyrinthkolbenkompressoren 21 can be mutually more closely juxtaposed.
  • FIG. 13 shows in a longitudinal section a sixth embodiment. Unlike the in FIG. 3 illustrated embodiment, the in FIG. 13 shown upper housing part 21 only on the left side of the Gasverteilinnenraums 9b valve seats 5a, 5b and arranged therein valves 5, whereas in the right part of the Gasverteilinnenraums 9b no valves are arranged. Otherwise, the in the Figures 3 and 13 Housing tops 1 shown designed similar, so more details in particular from the FIGS. 4 and 9 can be seen.
  • the housing upper part 1 has at least one cylinder inlet opening 4 and at least one cylinder outlet opening 6.
  • a plurality of cylinder inlet openings 4 arranged circumferentially spaced in the cylinder wall 2d.
  • the cylinder inlet openings 4 in the circumferential direction are regular spaced, wherein in the circumferential direction preferably two, three or four cylinder inlet openings 4 are arranged.
  • FIG. 8 shown in the circumferential direction to the longitudinal axis L a plurality of cylinder outlet openings 6 circumferentially spaced in the cylinder wall 2 d arranged.
  • the cylinder outlet openings 6 are regularly spaced in the circumferential direction, wherein preferably two, three or four cylinder outlet openings 6 are arranged in the circumferential direction.
  • the cylinder outlet openings 6 are preferably arranged on the front side of the cylinder interior 2a, the cylinder outlet openings 6 preferably extending in the direction of the longitudinal axis L.
  • a single cylinder outlet opening 6 can be arranged in the circumferential direction with respect to the longitudinal axis L, but preferably two, three or four cylinder outlet openings 6.
  • the labyrinth piston compressor 21 comprises a cylinder jacket 2 extending in the direction of a longitudinal axis L with a cylinder interior 2 a and a cylinder jacket outer side 2 e, wherein a piston 15 is displaceably mounted in the cylinder interior 2 a in the direction of the longitudinal axis L and forms a compression chamber 3, wherein the gas to be compressed via a the cylinder jacket 2 penetrating cylinder inlet opening 4 is sucked.
  • the method for cooling the housing 1 of the labyrinth piston compressor 21 takes place in such a way that an inlet fluid to be compressed is sucked into the cylinder interior 2 a from a gas distributor interior 9 b via a cylinder inlet opening 4 arranged on the cylinder jacket 2, or wherein a compressed outlet fluid flows through an inlet Cylinder casing 2 arranged cylinder outlet 6 is discharged from the cylinder interior 2a in the gas distribution interior 9b, wherein with respect to the longitudinal axis L axially symmetrically opposite arranged sections 2g of Zylindermantelaussenseite 2e are flowed around by the same inlet fluid or outlet fluid.
  • oppositely arranged part section 2g have the same or substantially the same temperature.
  • the partial section 2g extends along an angle of 360 °, so that the cylinder jacket outer side 2e is flowed around in the circumferential direction of the longitudinal axis L by an angle ⁇ of 360 degrees from the inlet fluid to be compressed or from the compressed outlet fluid.
  • the cylinder jacket outer side 2e in the circumferential direction of the longitudinal axis L at least two circumferentially spaced sections 2g, which extend in the circumferential direction over an angle of at least 30 °.
  • the outlet fluid is ejected via a cylinder outlet opening 6 arranged on the front side of the cylinder interior 2a, wherein the cylinder inlet opening 4 and the cylinder outlet opening 6 are spaced in the direction of the longitudinal axis L in order to cause a temperature gradient on the cylinder jacket outer side 2e in the direction of the longitudinal axis L.
  • the method preferably takes place in such a way that the fluid to be compressed is sucked in via a multiplicity of cylinder inlet opening 4 arranged in the cylinder jacket 2 with respect to the longitudinal axis L at the same height and distributed in the circumferential direction in order to produce the same temperature in the circumferential direction.
  • the method further takes place in such a way that the cylinder jacket 2 has a cylinder jacket outer side 2e, and that the outer side 2e flows around at least along the interior space L2 of the fluid to be compressed in order to cool the cylinder jacket 2 along the interior length L2 before the fluid to be compressed flows into the cylinder interior 2a.

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Claims (15)

  1. Partie supérieure de boîtier (1) d'un compresseur à piston à labyrinthe comprenant une enveloppe de cylindre (2) s'étendant dans la direction d'un axe longitudinal (L) avec une chambre intérieure de cylindre (2a) et un côté extérieur d'enveloppe de cylindre (2e), dans laquelle l'enveloppe de cylindre (2) présente au moins une ouverture d'entrée de cylindre (4, 4a, 4b) ou au moins une ouverture de sortie de cylindre (6, 6a, 6b), qui débouchent dans la chambre intérieure de cylindre (2a), caractérisée en ce qu'un boîtier de répartition de gaz (9a) entoure au moins partiellement l'enveloppe de cylindre (2) en direction périphérique par rapport à l'axe longitudinal (L), de telle manière qu'une chambre intérieure de répartition de gaz (9b) soit formée entre le boîtier de répartition de gaz (9a) et au moins une partie (2g) du côté extérieur d'enveloppe de cylindre (2e) de l'enveloppe de cylindre (2), dans laquelle la partie (2g) est configurée en symétrie axiale par rapport à l'axe longitudinal (L), dans laquelle la chambre intérieure de répartition de gaz (9b) est raccordée en conduite de fluide soit par l'ouverture d'entrée de cylindre (4, 4a, 4b) soit par l'ouverture de sortie de cylindre (6, 6a, 6b) à la chambre intérieure de cylindre (2a), et dans laquelle le boîtier de répartition de gaz (9a) comporte soit une entrée de gaz (9) soit une sortie de gaz (10), qui est raccordée en conduite de fluide à la chambre intérieure de répartition de gaz (9b).
  2. Partie supérieure de boîtier selon la revendication 1, caractérisée en ce que la chambre intérieure de cylindre (2a) présente une longueur de chambre intérieure de cylindre (L2) et en ce que la chambre de répartition de gaz (9b) s'étend au moins le long de la longueur de chambre intérieure de cylindre (L2), de telle manière que la partie (2g) du côté extérieur d'enveloppe de cylindre (2e) forme au moins le long de toute la longueur de la longueur de chambre intérieure de cylindre (L2) une limitation de la chambre intérieure de répartition de gaz (9b).
  3. Partie supérieure de boîtier selon la revendication 1 ou 2, caractérisée en ce que le boîtier de répartition de gaz (9a) entoure le côté extérieur d'enveloppe de cylindre (2e) en direction périphérique de l'axe longitudinal (L) sur un angle (□) de 360°, de telle manière que la chambre intérieure de répartition de gaz (9b) ou la partie (2g) s'étende en direction périphérique sur 360°.
  4. Partie supérieure de boîtier selon la revendication 1 ou 2, caractérisée en ce que le côté extérieur d'enveloppe de cylindre (2e) comprend en direction périphérique de l'axe longitudinal (L) au moins deux parties (2g) espacées en direction périphérique, qui forment le long du côté extérieur d'enveloppe de cylindre (2e) une limitation de la chambre intérieure de répartition de gaz (9b), dans laquelle les parties (2g) s'étendent en direction périphérique sur un angle d'au moins 30°.
  5. Partie supérieure de boîtier selon l'une quelconque des revendications précédentes, caractérisée en ce que l'ouverture d'entrée de cylindre (4, 4a, 4b) ainsi que l'ouverture de sortie de cylindre (6, 6a, 6b) sont disposées de façon espacée dans la direction longitudinale (L).
  6. Partie supérieure de boîtier selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une multiplicité d'ouvertures d'entrée de cylindre (4, 4a, 4b) ou d'ouvertures de sortie de cylindre (6, 6a, 6b) sont disposées à la même hauteur par rapport à l'axe longitudinal (L) et sont mutuellement espacées en direction périphérique par rapport à l'axe longitudinal (L).
  7. Partie supérieure de boîtier selon la revendication 6, caractérisée en ce que chaque fois deux ouvertures d'entrée de cylindre (4) ou deux ouvertures de sortie de cylindre (6) sont disposées l'une en face de l'autre par rapport à l'axe longitudinal (L).
  8. Partie supérieure de boîtier selon l'une quelconque des revendications précédentes, caractérisée en ce que l'ouverture de sortie de cylindre (6) ou l'ouverture d'entrée de cylindre (4) est disposée dans un côté frontal (2b, 2c) de la chambre intérieure de cylindre (2a) de façon à s'étendre en direction de l'axe longitudinal (L).
  9. Compresseur à piston à labyrinthe comprenant une partie supérieure de boîtier (1) selon l'une quelconque des revendications précédentes et comprenant un piston (15) ainsi qu'une tige de piston (16), dans lequel le piston (15) divise la chambre intérieure de cylindre (2a) en une première chambre de compression (3a) et une seconde chambre de compression (3b), dans lequel une première ouverture d'entrée de cylindre (4a) débouche dans la première chambre de compression (3a), dans lequel une deuxième ouverture d'entrée de cylindre (4b) débouche dans la seconde chambre de compression (3b), dans lequel la première ouverture de sortie de cylindre (6a) est disposée sur le côté frontal (2b) de la chambre intérieure de cylindre (2a) détourné de la tige de piston (16), et dans lequel une deuxième ouverture de sortie de cylindre (6b) est disposée sur le côté frontal (2c) de la chambre intérieure de cylindre (2a) tourné vers la tige de piston (16).
  10. Compresseur à piston à labyrinthe selon la revendication 9, caractérisé en ce qu'un canal de liaison (17) relie l'une à l'autre en conduite de fluide la première et la deuxième ouverture de sortie de cylindre (6a, 6b), et en ce que le canal de liaison (17) est relié en conduite de fluide à une sortie de gaz (10b).
  11. Compresseur à piston à labyrinthe selon la revendication 9 ou 10, caractérisé en ce que la chambre intérieure de répartition de gaz (9b) entoure en outre par l'extérieur dans la direction de l'axe longitudinal (L) au moins une partie de l'ouverture de sortie de cylindre (6, 6a, 6b).
  12. Procédé de refroidissement d'une partie supérieure de boîtier (1) d'un compresseur à piston à labyrinthe comprenant une enveloppe de cylindre (2) s'étendant dans la direction d'un axe longitudinal (L) avec une chambre intérieure de cylindre (2a) et un côté extérieur d'enveloppe de cylindre (2e), dans lequel on aspire un fluide d'entrée à comprimer via une ouverture d'entrée de cylindre (4) disposée dans l'enveloppe de cylindre (2) depuis une chambre intérieure de répartition de gaz (9b) dans la chambre intérieure de cylindre (2a), ou dans lequel on refoule un fluide de sortie comprimé via une ouverture de sortie de cylindre (6) disposée dans l'enveloppe de cylindre (2) depuis la chambre intérieure de cylindre (2a) dans la chambre intérieure de répartition de gaz (9b), et dans lequel des parties (2g) du côté extérieur d'enveloppe de cylindre (2e) disposées en face l'une de l'autre en symétrie axiale par rapport à l'axe longitudinal (L) sont balayées par le même fluide d'entrée ou fluide de sortie.
  13. Procédé selon la revendication 12, caractérisé en ce que le côté extérieur d'enveloppe de cylindre (2e) est balayé dans la direction périphérique de l'axe longitudinal (L) sur un angle (□) de 360° par le fluide d'entrée à comprimer ou par le fluide de sortie comprimé.
  14. Procédé selon la revendication 12, caractérisé en ce que le côté extérieur d'enveloppe de cylindre (2e) comprend en direction périphérique de l'axe longitudinal (L) au moins deux parties (2g) espacées en direction périphérique, qui s'étendent en direction périphérique sur un angle respectif d'au moins 30°.
  15. Procédé selon l'une quelconque des revendications 12 à 14, caractérisé en ce que l'on expulse le fluide de sortie par une ouverture de sortie de cylindre (6) disposée sur le côté frontal de la chambre intérieure de cylindre (2a), dans lequel l'ouverture d'entrée de cylindre (4) et l'ouverture de sortie de cylindre (6) sont espacées dans la direction de l'axe longitudinal (L), afin de provoquer un gradient de température sur le côté extérieur d'enveloppe de cylindre (2e) dans la direction de l'axe longitudinal (L).
EP15750943.1A 2014-07-31 2015-07-28 Partie supérieure de boîtier d'un compresseur à piston à labyrinthe et son procédé de refroidissement Active EP3175114B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14179372 2014-07-31
EP14179721 2014-08-04
PCT/EP2015/067233 WO2016016222A1 (fr) 2014-07-31 2015-07-28 Partie supérieure de boîtier d'un compresseur à piston à labyrinthe et procédé de refroidissement de celle-ci ainsi que compresseur à piston à labyrinthe

Publications (2)

Publication Number Publication Date
EP3175114A1 EP3175114A1 (fr) 2017-06-07
EP3175114B1 true EP3175114B1 (fr) 2018-09-12

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EP15750943.1A Active EP3175114B1 (fr) 2014-07-31 2015-07-28 Partie supérieure de boîtier d'un compresseur à piston à labyrinthe et son procédé de refroidissement

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Country Link
US (1) US20170218935A1 (fr)
EP (1) EP3175114B1 (fr)
JP (1) JP6483235B2 (fr)
CN (1) CN106536929B (fr)
WO (1) WO2016016222A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020064781A1 (fr) * 2018-09-24 2020-04-02 Burckhardt Compression Ag Compresseur à piston à labyrinthe
CN109763955B (zh) * 2019-03-29 2021-11-02 北京航空航天大学 一种自风冷活塞式压缩机

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FR2956452B1 (fr) * 2010-02-17 2012-04-06 Vianney Rabhi Compresseur a piston a double effet guide par un rouleau et entraine par une roue dentee et des cremailleres

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Also Published As

Publication number Publication date
JP6483235B2 (ja) 2019-03-13
EP3175114A1 (fr) 2017-06-07
US20170218935A1 (en) 2017-08-03
CN106536929A (zh) 2017-03-22
WO2016016222A9 (fr) 2016-03-31
CN106536929B (zh) 2019-03-15
WO2016016222A1 (fr) 2016-02-04
JP2017522499A (ja) 2017-08-10

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