EP1841968B1 - Dispositif de transport de liquides par vapeur ou air comprime - Google Patents

Dispositif de transport de liquides par vapeur ou air comprime Download PDF

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Publication number
EP1841968B1
EP1841968B1 EP05815080A EP05815080A EP1841968B1 EP 1841968 B1 EP1841968 B1 EP 1841968B1 EP 05815080 A EP05815080 A EP 05815080A EP 05815080 A EP05815080 A EP 05815080A EP 1841968 B1 EP1841968 B1 EP 1841968B1
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EP
European Patent Office
Prior art keywords
valve
cylinder
inlet
steam
vessel
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.)
Not-in-force
Application number
EP05815080A
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German (de)
English (en)
Other versions
EP1841968A1 (fr
Inventor
Boyan Kalov
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1841968A1 publication Critical patent/EP1841968A1/fr
Application granted granted Critical
Publication of EP1841968B1 publication Critical patent/EP1841968B1/fr
Not-in-force 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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped

Definitions

  • the present device for transportation of liquids by steam or compressed gas could find application in different technical fields, where transportation of water, water solutions, liquid chemicals or condense have to be transported through pipelines and if steam or compressed air are available in the site.
  • the most widely used device for transportation is by pushing the liquid by compressed air or steam.
  • the liquid to be transported has fulfilled a vessel to a determined level.
  • the compressed air or steam act upon the surface of the liquid with a definite pressure. After the determined volume of liquid is transported the pressure on the surface of the remaining liquid drops down to atmospheric, that allows new liquid to enter the vessel. When the level of the liquid reaches a definite value, compressed air or steam feed the vessel and the cycle is repeated.
  • the known device for transportation of liquids of "Armstrong” Int. USA and “Spirax Sarco” USA represents a closed vessel with inlet and outlet for the transported liquid and inlet and outlet for the compressed air or steam. Inside the closed vessel a spring assisted float mechanism is mounted inside the closed vessel . The mechanism is used for automation of the process of feeding and discharging of the liquid and switches two valves-inlet and outlet valve for compressed air or steam. The spring assisted float mechanism is designed to operate the outlet valve and the inlet valve simultaneously.
  • the outlet valve is opened and the inlet valve is closed.
  • the liquid enters the vessel gravitationally through a check valve, rises the float and the corresponding air is evacuated through the outlet valve.
  • the spring assisted float mechanism reverses the positions of the valves simultaneously.
  • the compressed air or steam enters the vessel and the liquid is transported through the outlet check valve into the corresponding pipeline. While the liquid is transported the float lowers its positions until it passes its trip point corresponding to a determined low level of the liquid and the spring assisted float mechanism reverses the positions of the valves simultaneously and the whole cycle is repeated.
  • the strength of spring material is dependent of the chemical structure of the liquid. That shortens the exploitation cycle of the devices and raises the cost of transportation of the liquid.
  • the cylinder is movable between upper and lower position in the closed vessel.
  • the cylinder has positive buoyancy in the liquid to be pumped.
  • Valve means operated by movement of cylinder is provided to cause gas admitted to the cylinder to displace liquid there from when the cylinder is in its upper position and to permit gas to escape from the cylinder when the latter is in its lower position.
  • the pump makes use of a continuous stream of compressed gas such as air to provide a pulsating flow of liquid.
  • the known pump works without interruption of gas flow during the process of filling which increases the consumption of the compressed gas.
  • the present invention has for an object to provide an alternative device for transportation of liquids by steam or compressed air based on the use of variable effective volumes compressed air or steam.
  • the device for transportation of liquids by compressed air or steam consists of a closed vessel with inlet and outlet for the transported liquid, respectively with check valve and outlet check valve and with inlet and outlet for the compressed gas with outlet valve for the gas.
  • a second volume Inside the closed vessel is formed a second volume by an opened in bottom cylinder, which is installed in parallel with the vertical axes of the closed vessel.
  • a pipeline At the inlet for the compressed air a pipeline is provided ending inside the cylinder. The cylinder is free to move in vertical direction.
  • the inlet for compressed air or steam is provided with an inlet valve, in that a pipeline connected after the inlet valve for the compressed air or steam provided with a check valve and ending inside in the upper part of cylindrical volume is installed.
  • Inside the cylinder an inside tube with side orifices and inside valve is mounted.
  • the inside valve in the tube is connected by lever to the inlet valve and outlet valve for compressed air or stream of the vessel.
  • the lever mechanism is in contact with the inlet valve for compressed air or steam.
  • the inside valve, the inlet and outlet valves for compressed air or steam make synchronized movement depending on the changing effective volume and pressure of the compressed air or steam inside the main vessel and the inner volume.
  • the lever mechanism is designed, as the inside valve is solid-coupled with the outlet valve for compressed air or steam.
  • the lever is la metal rod with a hole at one end to operate the coupled valves and hinge joint at the other to connect the wall of the vessel. At the same time a possibility for rotation of the rod, limited by a screw support is ensured.
  • the thrust of the inlet valve for compressed air or steam is installed to slide on the surface of the rod. This way a synchronized movement of the inside valve and inlet and outlet valves for compressed air or steam is achieved.
  • the device according to the invention is equipped with a tube, axially mounted on the bottom of the vessel and the inside tube of the cylindrical volume is bearing with it allowing movement in vertical direction.
  • the device for transportation of a condensate by steam is provided with an additional tube connected to the inlet steam tube before the inlet valve and ending in the upper part of the cylindrical volume.
  • the free end of the tube is provided with an additional float steam valve to ensure maximal level of liquid inside the cylindrical volume mounted axially inside the vessel.
  • the float valve opens and additional steam enters to lower the level.
  • the liquid to be transported enters gravitationally the vessel through the inlet check valve for liquid and fills simultaneously the vessel and the cylindrical volume and the air or steam inside the cylindrical volume is evacuated through the opened inside valve until the level reaches the lower opening of the installed tube.
  • the further entering of liquid lifts the cylindrical volume and because of its vertical movement the valve installed in it closes and the lever mechanism to which is connected starts to close the outlet valve and open the inlet valve for compressed air or steam.
  • the inlet valve transmits compressed air or steam through the tube and the check valve inside the cylindrical volume.
  • the raise of the inside pressure additionally lifts the cylinder and fully switches the inlet and outlet valves for compressed air or steam.
  • the inlet valve is now fully opened and the outlet- fully closed.
  • the raised pressure inside the vessel closes the inlet check valve for the liquid and ejects the liquid through the opened outlet check valve and the level of the liquid inside the cylinder and the vessel drops.
  • the device for transportation of liquid by compressed air or steam realizes discharging of the liquid and ensures smooth operation during the whole cycle by synchronize movement of the outlet and inlet valve for compressed gas and inside valve depending on the variable volume of the compressed gas or steam feeding the closed vessel and the cylinder.
  • the device for transportation of condense according to the invention in a preferred embodiment is shown in outline on Fig. 1 and the operation of the device for realization of the method is shown on figures 1 to 7 .
  • the device represents a closed cylindrical vessel 1 with vertically mounted on its axis a cylinder with opened lower bottom, with connected to the upper bottom tube 10 with side openings in the lower part and installed inside valve 5, ensuring changeable effective volume.
  • the cylinder is free to move only in vertical direction.
  • the flap of the installed inside valve 5 is axially connected to the flap of the outlet valve 3 /mounted vertically in the center of flange 8 of vessel 1/ by rod 17.
  • the rod 17 is executed with transverse groove where the fork shaped end of lever 9 enters.
  • the other end of the liver 9 is connected with hinge joint to the side wall of the vessel 1 with support to limit its down end position.
  • the inlet steam valve 4 is mounted vertically on flange 8 with axis in the plain determined by the axis of the lever 9 and the axis of the outlet valve 3 and the heel of its flap in closed position touches the upper surface of the liver 9.
  • the lower part of the inlet valve seat is formed with an additional opening and in opened position of its flap, part of the steam is directed into the upper part of the vessel 1 and the rest through the pipeline 11 with a check valve 12 is directed inside the cylinder 2.
  • a pipeline with float valve is installed inside the cylinder to limit the maximum level of condense.
  • an inlet check valve 6 and an outlet check valve 7 for condense are installed.
  • Fig. 1 The device at the start of fulfilling the vessel with condensate
  • the condensate is entering the lower part of vessel 1 through the check valve 6 opened by the gravitational force of the condensate. It evacuates the air out of the cylinder 2 through the orifices of the inner tube 10 and the opened internal valve 5 and also from the vessel 1 through the opened outlet valve 3.
  • the inlet valve 4 and the check valve 12 are closed.
  • the outlet check valve 7 is closed because of the backpressure of the condensate.
  • the float valve 14 is closed by its own weight.
  • the opened cylinder 2 is in its end down position and the lever 9 is also in its end down position. The process continues until the condense level reaches the orifices of the tube 10 in the cylinder 2.
  • the cylinder 2 When the level of the condense surpasses the level of the orifices of the tube 10, the cylinder 2 lifts as the air (pesp. the steam) inside it can no longer be evacuated through tube 10 because the condense level has closed its orifices.
  • the inside valve connected to lever 9 is closing.
  • the lever 9 doesn't change the position of the inlet valve 3 and outlet valve 4 because the steam pressure holds the thrust of valve 4 in its down position.
  • the level of condense raises, which raises the lifting power of the cylinder 2.
  • the lever 9 lifts and starts opening the inlet valve 4 and closing the outlet valve 3.
  • the opening of inlet valve 4 causes steam to enter the vessel through the opening in the valve 4 seat and through the pipeline 11 and check valve 12 inside the cylinder. This leads to rapid lifting of the cylinder because of the enlarged steam volume in it and to full opening of the inlet valve 4 and full closing of outlet valve 3.
  • the increased pressure in the vessel closes the inlet valve 6 stopping the process of fulfilling the vessel and opens the outlet check valve 7 starting the process of discharging the condense.
  • Fig. 5 The device at discharging the condense.
  • Fig. 7 The device at switching into a process of fulfilling
  • the discharging of the condensate is completed.
  • the pressure inside the vessel 1 drops to atmospheric and the outlet valve closes by the force of the back pressure inside the condense pipeline.
  • the inlet valve 6 opens because of the gravitationally incoming condense. The cycle is completed and starts the next cycle of filling - discharging.
  • the proposed device for transportation of liquids by compressed air or steam could be applicated in all industrial plants to transport either condense or other liquids, replacing the existing rapidly wearing devices with spring supported mechanisms, and at the same time ensuring smooth and throuble-free performance of the equipment.
  • One of the preferred applications is for constructing of water pumps for drill wells where the horizontal section is limited if compressed air is available on the site.
  • the device could have application as cheep solution for constructing of dozing units for liquids if no high accuracy is required
  • a specially preferable application of the method and the device is constructing pumps for flamable and explosion risk liquids at a corresponding choice of material, as during the operation of the device hit loaded parts are eluded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Claims (4)

  1. Equipement de transport de liquides à air comprimé ou à vapeur comprenant un récipient fermé (1) avec un orifice d'entrée et de sortie du liquide, respectivement un clapet antiretour d'entrée (6) et un clapet antiretour de sortie (7) avec une entrée et une sortie pour du gaz comprimé ou vapeur avec un clapet de sortie (3) pour du gaz, dans le récipient (1) étant formé un deuxième volume par un cylindre ouvert dans le fond (2), monté parallèlement sur l'axe verticale du récipient (1), avec la possibilité de mouvement en direction verticale; à l'entrée pour l'air comprimé ou la vapeur est assuré un conduit (11), qui se termine librement dans le cylindre (2), qui se caractérise par cela que l'entrée pour l'air comprimé est dotée d'un clapet d'entrée (4) et d'un clapet (12) du conduit (11), avec cela que le tube (10) avec des orifices latéraux et un clapet intérieur (5), /est/ monté dans le cylindre (2) et par cela que le clapet intérieur (5) est connecté à un levier (9) au clpaet d'entrée (4) et au clapet de sortie (3), durant lequel fait le mouvement du clapet de sortie (3), du clapet d'entrée (4) et du clapet intérieur (5), est synchronisé en dépendance du volume variable de l'air comprimé ou de la vapeur, passés vers le récipient fermé (1) et le cylindre (2).
  2. Equipement conformément à la prétention 1., se caractérisant par cela que la fermeture du clapet intérieur (5) est rallongée et contectée par un lien solide avec la fermeture du clapet de sortie (3), durant lequel fait sur le rallongement de la fermeture du clapet intérieur (5) est formé un canal de connexion au bout du levier (9), qui est connecté également à la paroi latérale du récipient (1) avec un limiteur terminal du mouvement rotationnel et le long duquel levier (9) glisse aussi l'axe du clapet d'entrée (4).
  3. Equipement conformément aux prétentions 1 ou 2, se caractérisant par cela que, parallèlement à l'axe du récipient (1) il y a un tube (15) qui est librement connecté à l'appui (16) au fond du récipient (1), où le tube (10) du cylindre (2) est connecté par un lien solide au tube (15).
  4. Equipement conformément aux prétentions 1, 2 ou 3, se caractérisant par cela qu'il possède un conduit d'entrée installé pour l'air comprimé ou la vapeur (13), qui se termine dans le cylindre (2) à proximité immédiate de son extrémité supérieure, durant lequel fait l'extrémité libre du conduit (13) à l'intérieur du cylindre (2) a un robinet flotteur (14) pour limiter le niveau maximal du liquide dans le cylindre (2).
EP05815080A 2004-11-19 2005-11-10 Dispositif de transport de liquides par vapeur ou air comprime Not-in-force EP1841968B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG108942A BG108942A (en) 2004-11-19 2004-11-19 Method for liquid transportation by compressed air or steam and device for the realization of the method
PCT/BG2005/000017 WO2006053409A1 (fr) 2004-11-19 2005-11-10 Procede de transport de liquides par vapeur ou air comprime et son dispositif de mise en oeuvre

Publications (2)

Publication Number Publication Date
EP1841968A1 EP1841968A1 (fr) 2007-10-10
EP1841968B1 true EP1841968B1 (fr) 2008-12-17

Family

ID=34624309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05815080A Not-in-force EP1841968B1 (fr) 2004-11-19 2005-11-10 Dispositif de transport de liquides par vapeur ou air comprime

Country Status (6)

Country Link
US (1) US20080050248A1 (fr)
EP (1) EP1841968B1 (fr)
AT (1) ATE418012T1 (fr)
BG (1) BG108942A (fr)
DE (1) DE602005011861D1 (fr)
WO (1) WO2006053409A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015042670A1 (fr) 2013-09-25 2015-04-02 Top Novelty Ltd Dispositif de transport de condensat par vapeur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2003602C2 (nl) * 2009-10-06 2011-04-07 Tom Van De Ven Project Realisatie B V Pijpleiding netwerk voor het over grote afstand transporteren van vloeistoffen, drukinrichting, toepasbaar bij een dergelijk pijpleidingnetwerk en werkwijze voor het transporteren van vloeistof over grote afstanden door de transportleiding van dergelijk pijpleiding netwerk.
CN102032221B (zh) * 2010-11-04 2012-07-25 张家政 高扬程、大流量的自控气压水泵
CN110221088B (zh) * 2019-07-17 2024-02-02 深圳博识诊断技术有限公司 液体驱动装置及液体样本检测设备
CN113460570B (zh) * 2021-06-30 2023-06-23 朱毅 一种多管道传输系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE822651C (de) * 1950-03-22 1951-11-26 Anton G Koeppe Druckluft-Fluessigkeitscheber
US4181470A (en) 1977-11-18 1980-01-01 Gillett Bruce F Gas-operated liquid pump
US4222440A (en) * 1978-11-27 1980-09-16 Del Norte Technology, Inc. Methods of small volume pumping especially suited for oil recovery from stripper wells
US5938409A (en) * 1996-06-04 1999-08-17 Spirax Sarco, Inc. Gas powered fluid pump with exhaust assist valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015042670A1 (fr) 2013-09-25 2015-04-02 Top Novelty Ltd Dispositif de transport de condensat par vapeur

Also Published As

Publication number Publication date
US20080050248A1 (en) 2008-02-28
BG108942A (en) 2005-05-31
EP1841968A1 (fr) 2007-10-10
WO2006053409A1 (fr) 2006-05-26
ATE418012T1 (de) 2009-01-15
DE602005011861D1 (de) 2009-01-29

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