WO2002025165A1 - Ensemble equipement de fonctionnement de stations de reduction de la pression du gaz - Google Patents

Ensemble equipement de fonctionnement de stations de reduction de la pression du gaz Download PDF

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Publication number
WO2002025165A1
WO2002025165A1 PCT/HU2001/000095 HU0100095W WO0225165A1 WO 2002025165 A1 WO2002025165 A1 WO 2002025165A1 HU 0100095 W HU0100095 W HU 0100095W WO 0225165 A1 WO0225165 A1 WO 0225165A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
gas
radiant heater
equipment according
radiating surface
Prior art date
Application number
PCT/HU2001/000095
Other languages
English (en)
Inventor
Ferenc Csallo
Péter FÜSTI
Gábor MÓCZÁR
István Tóth
Original Assignee
Fiorentini-Hungary Ltd.
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 Fiorentini-Hungary Ltd. filed Critical Fiorentini-Hungary Ltd.
Priority to EP01970042A priority Critical patent/EP1322889B1/fr
Priority to AU2001290160A priority patent/AU2001290160A1/en
Priority to AT01970042T priority patent/ATE281628T1/de
Priority to DE60106967T priority patent/DE60106967T2/de
Publication of WO2002025165A1 publication Critical patent/WO2002025165A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F17D1/05—Preventing freezing

Definitions

  • the subject of the invention relates to a set of equipment for the operation of gas-pressure reducing stations, which contains at least one input connection and output connection connected to the gas pipeline, and, furthermore, one or more valve structures arranged between the input connection and the output connection, as well as a heating unit, the heating unit has a housing surrounding at least part of the heat exchanger space of the heating unit, a primary gas duct leading through the heat exchanger space of the housing, and a heat transfer part-unit also placed in the heat exchange space.
  • the pipeline networks used to get the energy carrier to the place of use during the supply of gas to the population and industry consist of separate network sections that have different pressure conditions.
  • gas transfer stations In order to implement the transfer from one pressure step to another during gas transportation so-called "gas transfer stations" are used.
  • Such facilities contain different pressure reducing units and valves that make it possible to reduce the pressure of gas of a higher pressure - also involving a reduction in temperature.
  • Another unfavourable aspect is that transporting the high pressure gas to be warmed to the heat exchanger and returning the now heated gas requires further components the inspection and maintenance of which is essential for the appropriate operation of the station, so again resulting in an investment and operation cost increase.
  • Our aim with the construction according to the invention was to overcome the deficiencies of the known versions and to create a set of equipment that would make it possible to heat up the high pressure gas to the appropriate temperature - also taking into consideration the accident prevention and safety aspects and prescriptions - in the structure that also contains the regulating valve units and the pressure reducing unit or - without requiring a safety distance - integrated into its immediate environment.
  • the heating unit has a housing surrounding at least part of the heat exchanger space of the heating unit, a primary gas duct leading through the heat exchanger space of the housing, and a heat transfer part-unit also placed in the heat exchange space - is constructed in such a way that the primary gas duct is connected to the high pressure section of the gas pipeline, the heat transfer part-unit contains the supply pipe connected to the low pressure section of the gas pipeline, the feed head connected to the free end of the supply pipe, and the radiant heater body placed near the feed head, the radiant heater body has a radiating surface, a reaction part-unit placed along the radiating surface, and a preheating element fitted into the reaction part-unit, and the radiating surface of the radiant heater body is positioned in the vicinity of the
  • a further criterion of the set of equipment according to the invention may be that the radiant heater body is a catalytic infrared radiant heater.
  • the primary gas duct is a set of pipes set up of longitudinal pipe members connected allowing high pressure gas flow and transfer pipe members connected to the longitudinal pipe members at an angle between 1-90°.
  • the set of pipes forming the primary gas duct is arranged along the radiating surface of the radiant heater body.
  • the primary gas duct is at least partly surrounded by an intermediate heat transfer unit containing a heat-transfer medium, and the radiating surface is positioned along the intermediate heat transfer unit.
  • reaction part-unit is a catalysing blanket containing platinum material.
  • the heat transfer part-unit is supplemented with a filter unit fitted into the supply pipe.
  • the heat transfer part-unit contains a gas amount regulator part-unit fitted into the supply pipe, and the gas amount regulator part-unit is linked to the temperature sensor element positioned near the reaction part unit.
  • the preheating element is an electrical glowing body.
  • the set of equipment according to the invention has numerous advantageous characteristics. The most important of these is that due to the use of the modern heat transfer part-unit it is possible to position the heating unit in the immediate vicinity of the valve structure and the pressure reducing unit, so the dimensions of the gas transfer station are significantly reduced, which does not just moderate the investment costs, but also makes inspection and maintenance simpler.
  • Another feature that is to be seen as an advantage is that the essential components of the set of equipment can be installed in a concentrated place, so the protection of the elements of the equipment against external effects can be solved in a simpler manner.
  • heating unit can be simply and safely regulated, flame formation is. excluded, so the solution is more reliable than the known solutions from the aspects of prevention of accidents and safety.
  • Figure 1 is the outline picture of a version of the set of equipment according to the invention
  • Figure 2 is a sketch of another set up of the set of equipment.
  • FIG 1 there is a possible version of the set of equipment 20 according to the invention. It can be observed that the set of equipment 20 is fitted to the high pressure section 11 of the gas pipeline 10 in such a way that the high pressure section 11 of the gas pipeline 10 is connected to the input connector 21 of the set of equipment 20 and the output connector 24 of the set of equipment 20. In the construction version shown the pre-pressure reduction heating of the transported high pressure gas takes place between the input connector 21 and the output connector 24 of the set of equipment 20.
  • valve structures 22 are positioned near to the input connector 21, while another valve structure 22 can be found beside the output connector.
  • the pipe section between the two valve structures 22 includes the heating unit 40.
  • the pressure-reducing unit 23 is connected to the output connector 24 of the high pressure section 11 of the gas pipeline 10, and the output of the pressure-reducing unit 23 is now connected to the low-pressure section of the gas pipeline 10.
  • the heating unit 40 is physically in the same place as the other elements of the set of equipment 20, in the immediate vicinity of them and integrated with them.
  • a part of the heating unit 40 is the housing 41, which includes in itself the heat exchanger space 42.
  • the primary gas duct fitted in the high pressure section 11 of the gas pipeline 10, as is, furthermore, the heat transfer part-unit 50 serving to heat the primary gas duct 43.
  • the primary gas duct 43 - in the present version - is a set of pipes set up of longitudinal pipe members 43a and transfer pipe members 43b.
  • the angle " ⁇ " between the longitudinal pipe members 43a and the transfer pipe members 43b here is 90°.
  • the angle " ⁇ " between the longitudinal pipe members 43 a and the transfer pipe members 43b may differ from this. From the point of view of production technology, however, the solution shown on figure 1 is by all means favourable.
  • the basic requirement of the primary gas duct 43 is, however, that its geometric structure and size should make as good use as possible of the amount of heat being radiated from the radiating surface 53a of the radiant heater body 53 of the heat transfer part-unit 50 in warming up the gas flowing through the primary gas duct 43 of the high pressure gas pipeline 10.
  • the radiant heater body 53 of the heat transfer part-unit 50 beside the radiating surface 53a, also contains the reaction part-unit 53b, which in this case is a catalysing blanket containing platinum material.
  • the radiant heater body 53 is a catalytic infrared radiant heater unit.
  • the feed head 52 positioned at the free end 51a of the supply pipe 51 connected to and led back from the low pressure section 30 of the gas pipeline 10 is connected to the reaction part-unit 53b of the radiant heater body 53, as is the preheating element 53c.
  • the temperature sensor element 56 which is linked to the gas amount regulator part-unit 55 fitted to the supply pipe 51.
  • the filter unit 54 Also fitted in the supply pipe 51 is the filter unit 54, the task of which is to filter out the contamination transported by the gas flowing in the low pressure section 30 of the pipeline 10 into the supply pipe 51 before the gas amount regulator part-unit 55 and the feed head 52.
  • the preheating element 53 c switches on, which in this case is an electric glowing body working on the resistance principle.
  • the preheating element 53c heats up the reaction part-unit 53b of the radiant heater body 53 of the heat transfer part-unit 50 to the appropriate degree. After heating up to the operating temperature the low-pressure gas arriving on the supply pipe 51 from the feed head 52 reacts on the catalytic blanket and heat is produced.
  • the heat produced gets to the longitudinal pipe members 43 a and the transfer pipe members 43b of the primary gas duct 43 through the radiating surface 53a, as a result of which the primary gas duct 43 is heated up and also heats the high pressure gas flowing in it, which in this way, after going through the pressure reducing unit 23, does not cool to a temperature lower than that desired.
  • the temperature sensor element 56 and the gas amount regulator part-unit 55 connected to it make sure that the temperature of the radiating surface 53a of the radiant heater body is nearly constant. Depending in the temperature of the radiant heater body 53 the temperature sensor element 56 sends a signal to the gas amount regulator part-unit 55, which either reduces or increases the amount of gas reaching the feed head 52, with this changing the intensity of the process taking place in the reaction part-unit 53b and through this the heat production.
  • FIG 2 a detail of a heating unit 40 can be seen in which the primary gas duct 43 connected to the input connector 21 is positioned in an intermediate heat-transferring unit 60 containing a heat-transfer medium 61.
  • the heat-transfer medium 61 is soft water, but it may also be a liquid with appropriate heat transmitting properties, even possibly gas, too.
  • the radiant heater body 53 is positioned along the intermediate heat-transferring unit 60 and the radiating surface 53 a of the radiant heater body 53 is directed at the intermediate heat- transferring unit 60.
  • the form of the radiating surface 53a should practically follow the geometric form of the intermediate heat-transferring unit 60.
  • the radiating surface 53a of the radiant heater body 53 may partly or completely enclose the primary gas duct 43 or the intermediate heat-transferring unit 60.
  • an alternative solution in order to improve the efficiency of heating is that heat reflecting elements - not shown on the diagram - are positioned near to the primary gas duct 43 opposite to the radiating surface 53a, so any possible heat loss is also used.
  • pressure-reducing unit 23 may be integrated into the set of equipment and so the complete gas transfer station may be constructed as a single module.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)
  • Gas Burners (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Details Of Valves (AREA)
  • Pipeline Systems (AREA)
  • Control Of Fluid Pressure (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention concerne un ensemble équipement de fonctionnement de stations de réduction de la pression du gaz, qui contient au moins un raccord d'entrée et un raccord de sortie reliés au gazoduc et, en outre, au moins une structure de soupapes disposées entre le raccord d'entrée et le raccord de sortie, ainsi qu'une unité de chauffage, laquelle est pourvue d'une enceinte entourant au moins partiellement le volume de l'échangeur thermique de l'unité de chauffage, d'une conduite de gaz principale traversant le volume de l'échangeur thermique de l'enceinte, ainsi que d'une unité de transfert thermique également placée à l'intérieur du volume d'échange thermique. L'invention se caractérise en ce que la conduite de gaz principale (43) est reliée à la section haute pression (11) du gazoduc (10), l'unité partielle de transfert thermique (50) renferme la conduite d'alimentation (51) reliée à la section basse pression (30) du gazoduc (10), la tête d'alimentation (52) reliée à l'extrémité libre (51a) de la conduite d'alimentation (51), et le corps de chauffage rayonnant (53) placé à proximité de la tête d'alimentation (52). Le corps de chauffage rayonnant (53) présente une surface de rayonnement (53a), une unité partielle de réaction (53b) placée le long de la surface rayonnante (53a), et un élément de préchauffage (53c) intégré à l'unité partielle de réaction (53b). Enfin, la surface rayonnante (53a) du corps de chauffage rayonnant (53) est placée à proximité de la conduite de gaz principale (43).
PCT/HU2001/000095 2000-09-25 2001-09-24 Ensemble equipement de fonctionnement de stations de reduction de la pression du gaz WO2002025165A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01970042A EP1322889B1 (fr) 2000-09-25 2001-09-24 Ensemble equipement de fonctionnement de stations de reduction de la pression du gaz
AU2001290160A AU2001290160A1 (en) 2000-09-25 2001-09-24 Set of equipment for the operation of gas-pressure reducing stations
AT01970042T ATE281628T1 (de) 2000-09-25 2001-09-24 Gasdruckminderungsausrüstung mit einem strahlungsheizgerät
DE60106967T DE60106967T2 (de) 2000-09-25 2001-09-24 Gasdruckminderungsausrüstung mit einem strahlungsheizgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU20000000284U HU1991U (en) 2000-09-25 2000-09-25 Equipment group for operating gas pressure reductive station
HUU0000284 2000-09-25

Publications (1)

Publication Number Publication Date
WO2002025165A1 true WO2002025165A1 (fr) 2002-03-28

Family

ID=10973151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HU2001/000095 WO2002025165A1 (fr) 2000-09-25 2001-09-24 Ensemble equipement de fonctionnement de stations de reduction de la pression du gaz

Country Status (8)

Country Link
EP (1) EP1322889B1 (fr)
AT (1) ATE281628T1 (fr)
AU (1) AU2001290160A1 (fr)
DE (1) DE60106967T2 (fr)
ES (1) ES2232664T3 (fr)
HU (1) HU1991U (fr)
PT (1) PT1322889E (fr)
WO (1) WO2002025165A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2938049A1 (fr) * 2008-10-31 2010-05-07 Filtres Equipements Rechauffeur de fluide combustible.
US7841305B2 (en) 2005-06-29 2010-11-30 Grit Industries, Inc. Heat exchange apparatus
WO2012160433A1 (fr) * 2011-05-23 2012-11-29 Angelo Mapelli Système de chauffage de gaz pour systèmes de réduction de pression de gaz et procédé d'obtention dudit effet de chauffage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582012A (en) * 1995-05-15 1996-12-10 Universal Vortex, Inc. Method of natural gas pressure reduction on the city gate stations
US5685154A (en) * 1993-07-22 1997-11-11 Ormat Industries Ltd. Pressure reducing system and method for using the same
US6155051A (en) * 1999-04-20 2000-12-05 Williams; Paul R. Method of heating natural gas in a city gate station

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685154A (en) * 1993-07-22 1997-11-11 Ormat Industries Ltd. Pressure reducing system and method for using the same
US5582012A (en) * 1995-05-15 1996-12-10 Universal Vortex, Inc. Method of natural gas pressure reduction on the city gate stations
US6155051A (en) * 1999-04-20 2000-12-05 Williams; Paul R. Method of heating natural gas in a city gate station

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7841305B2 (en) 2005-06-29 2010-11-30 Grit Industries, Inc. Heat exchange apparatus
FR2938049A1 (fr) * 2008-10-31 2010-05-07 Filtres Equipements Rechauffeur de fluide combustible.
WO2012160433A1 (fr) * 2011-05-23 2012-11-29 Angelo Mapelli Système de chauffage de gaz pour systèmes de réduction de pression de gaz et procédé d'obtention dudit effet de chauffage

Also Published As

Publication number Publication date
PT1322889E (pt) 2005-03-31
DE60106967T2 (de) 2005-11-03
EP1322889B1 (fr) 2004-11-03
ATE281628T1 (de) 2004-11-15
ES2232664T3 (es) 2005-06-01
DE60106967D1 (de) 2004-12-09
EP1322889A1 (fr) 2003-07-02
HU0000284V0 (en) 2000-11-28
AU2001290160A1 (en) 2002-04-02
HU1991U (en) 2001-04-30

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