EP2116723B1 - Compresseur à piston - Google Patents

Compresseur à piston Download PDF

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Publication number
EP2116723B1
EP2116723B1 EP09159238.6A EP09159238A EP2116723B1 EP 2116723 B1 EP2116723 B1 EP 2116723B1 EP 09159238 A EP09159238 A EP 09159238A EP 2116723 B1 EP2116723 B1 EP 2116723B1
Authority
EP
European Patent Office
Prior art keywords
connection
cylinder
compression cylinder
suction
piston
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
EP09159238.6A
Other languages
German (de)
English (en)
Other versions
EP2116723A3 (fr
EP2116723A2 (fr
Inventor
Paul Jansen
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.)
NEUMAN & ESSER & Co KG GmbH
Original Assignee
NEUMAN & ESSER & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEUMAN & ESSER & Co KG GmbH filed Critical NEUMAN & ESSER & Co KG GmbH
Publication of EP2116723A2 publication Critical patent/EP2116723A2/fr
Publication of EP2116723A3 publication Critical patent/EP2116723A3/fr
Application granted granted Critical
Publication of EP2116723B1 publication Critical patent/EP2116723B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • 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
    • F04B25/00—Multi-stage pumps
    • 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two cylinders
    • 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
    • F04B39/08—Actuation of distribution members
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads

Definitions

  • the invention relates to a piston compressor with at least one compression cylinder with a piston and with a pressure port and a suction port.
  • the compression cylinders of such reciprocating compressors which are designed for pressures of about 20 bar to 450 bar, are often no longer produced as a sand mold casting.
  • connection of the cover and crank-side valve chambers are made by a longitudinal bore.
  • the suction and pressure ports are located in the area between the respective valve chambers or directly to the respective valve chambers.
  • the accessibility the space surrounding the compression cylinder is severely affected by the pressure and suction pipes emerging from the suction and pressure ports.
  • FIG. 1 shows a double-acting compression cylinder 10 according to the prior art, as he also for example from the US 2,034,159 is known.
  • the compression cylinder 10 has centrally a cylinder chamber 25, in which the piston 30 is arranged to be movable in the longitudinal direction. On both sides of the piston 30, two compression spaces 20a, 20b are formed. The front side of this cylinder chamber 25 is closed gas-tight by a cylinder cover 13.
  • the compression cylinder 10 has in the cylinder wall 24 a suction port 18 and opposite a pressure port 19, each opening into a connecting channel 17a and 17b.
  • Valve chambers 15a to 15d with valves 16a to 16d, which are connected to the cylinder chamber 25 via corresponding channels, are respectively arranged at the two ends of the connecting channels 17a, 17b extending in the longitudinal direction parallel to the longitudinal axis.
  • the connecting channels 17a and 17b adjacent to the valve chambers 15b, 15c on the chambers 22a and 22b are open at the front. They must therefore be closed by separate cover 14a, 14b on the front end 12a.
  • the cylinder space 25 is closed by means of a cover 26 with a seal for the piston rod 32.
  • the cylinder space 25 is executed as a blind hole. In this case, the piston rod is guided through the cylinder bottom by means of a smaller bore. The final cover 26 is thus eliminated.
  • the lateral connections 18 and 19 have a considerable influence on the external dimensions of the compression cylinder 10.
  • Significant disadvantages of this construction are an increase in the size of the semi-finished products and a severe restriction of accessibility in vertically arranged compressor systems. In horizontal compressors, the compression cylinders are often supported towards the foundation, often obstruct the lying below the pressure nozzle container this support.
  • compressors such as from the US 2,514,223 known, in which the pressure and suction ports are arranged on opposite end faces.
  • Significant disadvantages of these designs are also here in a compelling enlargement of the structures.
  • both the compression cylinder and the piston length are shortened considerably, which correspondingly reduces the procurement costs of the semi-finished products.
  • the compression cylinder is a double-acting compression cylinder.
  • the compression cylinder on the intake side and the pressure side in each case two spaced in the direction of the cylinder axis valve chambers, which in each case via an outwardly closed connection channel with each other are connected.
  • Under a closed to the outside connection channel is a channel understood, the z. B. is not accessible via lateral holes or channels.
  • a pressure-side valve chamber is connected to the pressure connection via a connection chamber and a suction-side valve chamber is connected to the suction connection via a connection chamber.
  • the connecting channels, the cylinder chamber and the piston can be made significantly shorter. Shortening from 20% up to 30% is possible.
  • the laying of the connections to the front side can be used in particular for the double-acting compression cylinders for a much more compact design.
  • the compression cylinder has a piston rod arranged on one side on the piston, wherein the pressure connection and the suction connection are arranged on the end face of the compression cylinder facing away from the piston rod.
  • the connections are in a freely accessible end, namely the front end side of the compression cylinder, which further simplifies the piping.
  • the compression cylinder made of steel, in particular forged steel, wherein the connecting channel and the connection chamber are formed by a single bore.
  • the manufacturing process is considerably simplified because the additional production of separate pipe connections on the cylinder wall is eliminated.
  • Compressors with such forged steel existing compression cylinders are preferably used in pressure ranges from 100 bar to 450 bar.
  • the compression cylinder consists of a cast-iron block.
  • the connecting channels and the connecting chambers are also manufactured here according to the steel cylinder by mechanical processing. Compressors with such compression cylinders are preferably used in the range of 20 bar to 99 bar.
  • connection channels only precast over simple model casting, but not machined more.
  • the cylinders according to the invention can be used in horizontal, vertical as well as in compressors in V-type.
  • Such compressors are used in the compression of all gases, preferably in the chemical, petrochemical, and in the pharmaceutical industry as well as in natural gas storage.
  • FIG. 2 In the FIG. 2 is a horizontal compressor 1 is shown having in the middle of a motor-driven crank mechanism 2 and laterally adjacent thereto two compression units, each of so-called. Intermediate pieces 3a, 3b and a double acting compression cylinder 100 consist of two compression spaces 120 a, b on both sides of the piston 130 has.
  • the compression cylinders 100 each have a piston 130 in the cylinder chamber 125 which is connected to the engine 2 via a piston rod 132.
  • the cylinder 100 is in FIG. 3 shown enlarged. It can be seen that the compression cylinder 100 is made significantly shorter than that in the compression cylinder 10 according to the FIG. 1 According to the prior art is the case. The shortening here is about 23%.
  • valve chambers 115a to 115d In the cylinder wall 124 are the valve chambers 115a to 115d with the valves 116a to 116d.
  • valve chambers 115a, 115b In the upper part of the representation of the FIG. 3 is the suction-side arrangement of the valve chambers 115a, 115b with the suction-side port 118.
  • the two valve chambers 115a and 115b are connected to each other by means of the connecting channel 117a, which is closed to the outside. In the solution according to the invention, it is not necessary to provide the suction connection in the region of the connecting channel 117a.
  • the valve chambers 115a, 115b are closed by valve covers, not shown.
  • the connection chamber 122a In the extension of the connecting channel 117a is the connection chamber 122a, which ends at the suction port 118.
  • valve chambers 115c and 115d are connected to each other by a connecting channel 117b. Also this channel is completed to the outside. Also in the extension is the connection chamber 122b and the pressure-side port 119.
  • the Indian FIG. 3 Compression cylinder 100 shown may be made of a steel block, for example.
  • the connection channels 117a, b and the chambers 122a and 122b are each formed by a single bore from the front end face 112a brought in. Additional holes for the pressure connection and the suction connection are therefore not required.
  • the cylinder chamber 125 is closed by the cylinder cover 113.
  • the rear end face 112b is designed as a solid cylinder bottom 126 without a cover with a receiving bore for the piston rod seal, which is not shown here.
  • FIG. 4 a side view of a vertical compressor 1 is shown.
  • the compression cylinder 100 protrudes vertically upwards and has the suction port 118 and the pressure port 119 at the front end 112a. From these ports 118 and 119, the corresponding suction and pressure pipes 140, 142 descend upward, whereby the space 5 surrounding the compression cylinder 100 is significantly increased so that operators can stand upright there to perform maintenance.
  • the provided in the prior art suction and pressure ports 18 and 19 are in the FIG. 4 dashed lines.
  • FIG. 4 see provided for the compressor stage Saugpulsationsdämpfer 143 and required for the cooling of the compressed gas heat exchanger 144.

Claims (4)

  1. Compresseur (1) à piston, muni d'au moins un cylindre de compression (100) comprenant un piston (130), ainsi qu'un raccord d'aspiration (118) et un raccord de pression (119), sachant que
    le cylindre de compression (100) est un cylindre de compression à double action,
    ledit cylindre de compression (100) est respectivement pourvu, côté aspiration et côté pression, de deux chambres de distribution (115a-d) agencées avec espacement dans la direction de l'axe longitudinal dudit cylindre, et reliées l'une à l'autre par l'intermédiaire d'un canal respectif de jonction (117a, b) fermé vers l'extérieur,
    une chambre de distribution (115b) située côté aspiration, et une chambre de distribution (115c) située côté pression, étant respectivement reliées audit raccord d'aspiration (118) et audit raccord de pression (119) par l'intermédiaire d'un canal de jonction (117a), et par l'intermédiaire d'un canal de jonction (117b), caractérisé par le fait
    que le raccord d'aspiration (118) et le raccord de pression (119) sont situés à une face extrême (112a, 112b) du cylindre de compression (100).
  2. Compresseur à piston, selon la revendication 1, caractérisé par le fait que le cylindre de compression (100) présente une tige (132) de piston, située d'un côté dudit piston (130) ; et par le fait que le raccord d'aspiration (118) et le raccord de pression (119) sont situés à la face extrême (112a) dudit cylindre de compression (100) qui est tournée à l'opposé de ladite tige de piston.
  3. Compresseur à piston, selon la revendication 1 ou 2, caractérisé par le fait que le cylindre de compression (100) consiste en de l'acier; et par le fait que le canal de jonction (117a, b) et la chambre de raccordement (122a, b) sont constitués d'un unique alésage.
  4. Compresseur à piston, selon la revendication 1 ou 2, caractérisé par le fait que le cylindre de compression (100) se présente comme un bloc en fonte ; et par le fait que le canal de jonction (117a, b) et la chambre de raccordement (122a, b) sont constitués d'un unique alésage.
EP09159238.6A 2008-05-05 2009-04-30 Compresseur à piston Active EP2116723B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008001540A DE102008001540B4 (de) 2008-05-05 2008-05-05 Kolbenkompressor

Publications (3)

Publication Number Publication Date
EP2116723A2 EP2116723A2 (fr) 2009-11-11
EP2116723A3 EP2116723A3 (fr) 2012-12-26
EP2116723B1 true EP2116723B1 (fr) 2017-03-22

Family

ID=41009812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09159238.6A Active EP2116723B1 (fr) 2008-05-05 2009-04-30 Compresseur à piston

Country Status (3)

Country Link
US (1) US8348641B2 (fr)
EP (1) EP2116723B1 (fr)
DE (1) DE102008001540B4 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009047744A1 (de) * 2009-12-09 2011-06-16 BSH Bosch und Siemens Hausgeräte GmbH Verdichter mit einer Pumpkammer
CN103089585A (zh) * 2011-11-01 2013-05-08 中国石油集团济柴动力总厂成都压缩机厂 适用于高速大功率活塞式压缩机的压缩缸
CN107191347B (zh) 2012-12-18 2019-07-23 艾默生环境优化技术有限公司 具有蒸气注入系统的往复式压缩机
CN104747405B (zh) * 2015-02-27 2017-04-26 西安交通大学 液化天然气蒸发气压缩机低温气缸工作腔组件结构
US20210404454A1 (en) * 2018-09-24 2021-12-30 Burckhardt Compression Ag Labyrinth piston compressor
DK181078B1 (en) * 2020-02-12 2022-11-25 Maersk Container Ind A/S FLOW CONDUCTOR FOR A PISTON COMPRESSOR IN A COOLING SYSTEM, PISTON COMPRESSOR FOR A COOLING SYSTEM AND CYLINDER HEAD FOR A PISTON COMPRESSOR FOR A COOLING SYSTEM

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GB133701A (en) * 1918-09-03 1920-11-25 Domenico Corpi Improvements in Portable Air and Gas Compressors.
US1719998A (en) * 1927-12-27 1929-07-09 Ingersoll Rand Co Compressor
US1791993A (en) * 1929-08-01 1931-02-10 Forrest B Williams Milk-bottle holder
US2034159A (en) * 1932-11-10 1936-03-17 Everett W Swartwout Compressor
CH254487A (de) * 1946-04-18 1948-05-15 Sulzer Ag Verfahren und Vorrichtung zur Regelung der mehrstufigen Kompression von Anlagen mit mindestens einem Kolbenkompressor.
US2514223A (en) * 1946-06-14 1950-07-04 Covins Meyer Gas compressor
DE1083480B (de) * 1953-05-26 1960-06-15 Sulzer Ag Kolbenkompressor
US5286173A (en) * 1991-10-23 1994-02-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Coolant gas guiding mechanism in swash plate type compressor
IT245859Y1 (it) * 1998-06-19 2002-03-26 Abac Aria Compressa Compressore.
US6558137B2 (en) * 2000-12-01 2003-05-06 Tecumseh Products Company Reciprocating piston compressor having improved noise attenuation
US7074020B2 (en) * 2003-08-15 2006-07-11 Cott Technologies, Inc. Sanitary pump and sanitary valve
US20050238509A1 (en) * 2004-04-22 2005-10-27 Lee Po T Clutch suction disk for air compressor of vehicle air conditioner
DE102004052168A1 (de) * 2004-10-27 2006-05-04 Compart Compressor Technology Gmbh & Co. Kg Linearverdichter

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
US8348641B2 (en) 2013-01-08
EP2116723A3 (fr) 2012-12-26
EP2116723A2 (fr) 2009-11-11
DE102008001540A1 (de) 2009-11-12
DE102008001540B4 (de) 2011-11-17
US20090274569A1 (en) 2009-11-05

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