EP3049678B1 - Dispositif de transport de condensat par vapeur - Google Patents

Dispositif de transport de condensat par vapeur Download PDF

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Publication number
EP3049678B1
EP3049678B1 EP13894251.1A EP13894251A EP3049678B1 EP 3049678 B1 EP3049678 B1 EP 3049678B1 EP 13894251 A EP13894251 A EP 13894251A EP 3049678 B1 EP3049678 B1 EP 3049678B1
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EP
European Patent Office
Prior art keywords
valve
steam
float
vessel
tube
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
EP13894251.1A
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German (de)
English (en)
Other versions
EP3049678A1 (fr
EP3049678A4 (fr
Inventor
Boyan Kalov
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.)
Top Novelty Ltd
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Top Novelty Ltd
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Publication date
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Publication of EP3049678A1 publication Critical patent/EP3049678A1/fr
Publication of EP3049678A4 publication Critical patent/EP3049678A4/fr
Application granted granted Critical
Publication of EP3049678B1 publication Critical patent/EP3049678B1/fr
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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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • F04B9/1256—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor with fluid-actuated inlet or 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
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • 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 condensate by steam 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 is available in the site.
  • This device could be used with compressed air instead of steam if compressed air is available.
  • 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 acts upon the surface of the liquid with a definite pressure. After a 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 condense of "Armstrong” Int. USA and “Spirax Sarco” USA represents a closed vessel with inlet and outlet for the transported condense and inlet and outlet for the compressed air or steam.
  • 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. Condense enters the vessel gravitationally through a check valve, rises the float and the corresponding air is evacuated through the outlet valve. When the position of the float reaches the point corresponding to the determined highest level of the liquid, 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 spring assisted mechanism works by hits that leads to relatively fast wear and tire of the mechanism.
  • a device for transportation of liquids by compressed gas or steam which consists of a vessel in which at least two variable gas volumes V1, V2 are formed.
  • the level of the liquid in the two volumes changes and the switching of the processes of feeding and discharging is made by the created pressure difference between the gas volumes.
  • a second volume is formed by providing a cylinder with opened bottom.
  • a tube with an inside valve are installed in the cylinder. The movement of valves is synchronized and depends on the position of the cylinder.
  • 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.
  • This device ensures smooth switching process, but if using steam to power it, the size of the lower volume of the float should be at least one half of the volume of the vessel in order to avoid the steam condensation and device malfunction in the process of pumping. The great size of the float rises the production price of the device
  • Present invention has for an object to provide an alternative device for transportation of liquids by steam based on the use of pilot switching mechanism.
  • the device for transportation of condense by steam ( Fig.1 ) consists of a vessel (1) closed with cap (19) with inlet check valve (8) and outlet check valve (9) for condense; with inlet valve (6) and outlet valve (7) for steam,
  • a switching mechanism here called “pilot mechanism”, consisting of chamber (28) with inlet valve for steam (10) here called “pilot valve”, with two pipelines (11) and (12) connected to chamber (28), with bellows (18), with additional valve (14) here called “supporting valve”, with valve lifter (15) and spring (16) with float (3) and with lever (22) with hinged supports (13), (26), (27) (29) is provided.
  • Pipeline (11) starts from chamber (28) and ends inside bellows (18); pipeline (12) starts from chamber (28) and ends inside the float (13)
  • case (17) is installed on the vessel's cap (19) and the inner volume of the case is connected to the inner volume of the vessel by an opening (20) in the vessel's cap.
  • Inlet valve (6) and outlet valve (7) bodies are installed on the upper part of case (17) in parallel and valve lifter (15) with spring (16) is installed under the valves' bodies and firmly connected to the flat upper part of bellows (18) allowing only vertical movement of valves' stems.
  • Bellows (18) are installed in an opening in the vessel's cap.
  • float (3) is divided by partition plate (4) into two separate volumes.
  • the upper volume is closed and the lower volume is with opened bottom and its upper part is connected with the vessel's volume by tube (24) ending with valve (23).
  • the float is equipped with an additional tube (25) connecting the lower part of the lower volume with the vessel's volume passing through the upper volume.
  • tube (12) is bearing inside the tube (24) of the float, allowing vertical movement of the float
  • condense to be transported enters gravitationally the vessel through the inlet check valve (8) and fills simultaneously the vessel and the lower volume of the float and the air or steam inside the vessel (1) is evacuated through the opened outlet valve (7) until the level reaches the lower opening of the tube (24). Because of the positive buoyancy of the float in the condense to be pumped, the further entering of condense moves the float upwards and because of its vertical movement valve (23) closes and lever (22) lifts rod (21), that starts opening inlet valve (10) and closing the supporting valve (14) of the pilot mechanism simultaneously. The inlet valve (10) transmits steam both to the still opened supporting valve (14) and through tube (12) to lower volume of the float (3).
  • valve (23) opens valve (23) fully and lever mechanism moves downwards because the united force of inlet valve stem and of the weight of the float becomes higher than the force acting on the supporting valve.
  • This causes simultaneous closing of the inlet valve (10) of the pilot mechanism and opening of supporting valve (14).
  • the inlet valve (10) of the pilot mechanism is fully closed and the support valve (4) fully opened the pressure inside the bellows (18) drops down.
  • the bellows shrink by the force of the stem of the main inlet valve (6) and by the force of the spring (26).
  • valve lifter (15) to move down, simultaneously opening the outlet valve (7) and closing inlet valve (6).
  • the pressure inside vessel (1) drops to atmospheric and the process of discharging is ended and the process of filling starts.
  • the device is ready to resume the whole process if condensate to enter is available.
  • the device for transportation of condensate by steam realizes discharging of the condensate and ensures smooth and automatic operation during the whole cycle by the use of pilot mechanism causing synchronized movement of the valves based on the condensate level inside the vessel.
  • lever system of the switching mechanism is designed connected with ball inlet valve (10).
  • Rod (21) lifting the ball is firmly connected with supporting valve (14).
  • the rod and the supporting valve are on one and the same axis.
  • Lever (22) is bearing both with rod (21) and valve (23) imbedded in the float (3), so that to allow float (3) to open and close the ball inlet valve and respectively to close and open the supporting valve depending on float's position.
  • the ball inlet valve (10) of the pilot mechanism is installed on vessel's cap (19) and case (17) is welded to the vessels cap.
  • the proposed device is designed with ball inlet valve (6) and outlet main valve (7) in parallel with the inlet main valve, both connected by down side of their stems valve to lifter (15), that allows only vertical movement of valve (6) and Valve (7) caused by the enlarging /shrinking of bellow (18) installed in an opening in the vessel's cap 19 and shrinking/enlarging of spring (16).
  • the float (3) is designed as two volumes cylinder divided by elliptical partition plate (4).
  • the upper volume is closed and welded and the lower volume is with opened bottom.
  • a tube (24) through the upper volume ending with valve (23) and tube (25) connecting the lower part of the lower volume with the vessel's volume passing through the upper volume are welded to both elliptical plates of the upper volume
  • the proposed device according to the invention for transportation of condensate is provided with universal construction of the switching mechanism for all output sizes of the device, that makes the device easier to produce and maintain.
  • the proposed device ensures possibility for smooth switching, respectively for diminishing the wear-and-tire and prolonging the exploitation of the inlet and outlet valves and at the same time the problem element - the spring float mechanism for operation of top and down level with numerous hinge joints is evaded.
  • the proposed device ensures wide range of discharge rates retaining the pilot valve mechanism by changing only the valves and the vessel's size;

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Float Valves (AREA)

Claims (1)

  1. Dispositif de transport de condensat par de la vapeur comprenant un récipient (1) avec un tube d'entrée de condensat et sur lequel est monté un clapet anti-retour (8), avec un tube de sortie de condensat (5) et monté sur lui un clapet anti-retour (9);
    un couvercle (19) avec un boîtier (17) installé sur celui-ci;
    une vanne/soupape d'admission (6) pour la vapeur, montée sur le boîtier (17);
    une vanne/soupape de sortie (7) pour la vapeur, montée sur le boîtier (17); les deux vannes/soupapes étant connectées à un support de vannes principal (15);
    un ressort (16) monté sur le support de vannes principal (15); un flotteur (3) positionné à l'intérieur du récipiant fermé (1) avec un tube (24) et une vanne/soupape (23) intégrée dans le flotteur; et un tube (12) se terminant à l'intérieur du flotteur (3),
    caractérisé en ce que dans le couvercle (19) est formée une chambre (28) avec installées sur celle-ci une vanne/soupape (10) pour la vapeur entrante et une vanne/soupape (14) pour la vapeur sortante ;
    le boîtier (17) est relié au récipiant (1) par une ouverture (20); un soufflet (18) est installé à l'intérieur du boîtier (17) et sous le support principal des vannes;
    sur le couvercle (19), est monté un tube (11) se terminant à l'intérieur de la chambre (28) et à l'intérieur du soufflet (18);
    la vanne/soupape (10) pour la vapeur entrante est reliée par une tige (21) à un levier (22) par une charnière (26) de sorte que, lors de l'ouverture de la vanne/soupape (10) pour la vapeur entrante, cette vapeur entrante allonge le souflet (18) et compresse/raccourcit le ressort (16) et à la fermeture de ladite vanne/soupape (10), le ressort (16) raccourcit le soufflet (18);
    une autre vanne/soupape (14) est relié au levier (22) par une charnière (29); une soupape intégrée dans la soupape à flotteur (23) est reliée au levier (22) par une charnière (27);
    le levier (22) est relié au couvercle (19) par une charnière; le flotteur (3) étant divisé en deux parties.
EP13894251.1A 2013-09-25 2013-09-25 Dispositif de transport de condensat par vapeur Active EP3049678B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BG2013/000045 WO2015042670A1 (fr) 2013-09-25 2013-09-25 Dispositif de transport de condensat par vapeur

Publications (3)

Publication Number Publication Date
EP3049678A1 EP3049678A1 (fr) 2016-08-03
EP3049678A4 EP3049678A4 (fr) 2017-07-12
EP3049678B1 true EP3049678B1 (fr) 2019-10-23

Family

ID=52741652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13894251.1A Active EP3049678B1 (fr) 2013-09-25 2013-09-25 Dispositif de transport de condensat par vapeur

Country Status (2)

Country Link
EP (1) EP3049678B1 (fr)
WO (1) WO2015042670A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU50876A1 (ru) * 1936-04-25 1936-11-30 А.Д. Маликов Устройство дл перемещени жидкостей посредством пара или сжатого газа
SU1599588A1 (ru) * 1988-06-20 1990-10-15 Ленинградское Проектно-Технологическое Бюро Главного Ленинградского Управления Автомобильного Транспорта Пневматический насос замещени
US5401142A (en) * 1992-02-14 1995-03-28 Tlv Co., Ltd. Condensate discharging device
MXPA05006162A (es) * 2002-12-13 2005-11-23 Spirax Sarco Inc Bomba de fluido impulsada por la presion del gas que tiene mecanismo pivote con resorte de compresion y sistema amortiguador.
BG108942A (en) * 2004-11-19 2005-05-31 КАЛОВ Боян Method for liquid transportation by compressed air or steam and device for the realization of the method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3049678A1 (fr) 2016-08-03
EP3049678A4 (fr) 2017-07-12
WO2015042670A1 (fr) 2015-04-02

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