CN1069740C - Gas and liquid separator for pump set - Google Patents

Gas and liquid separator for pump set Download PDF

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Publication number
CN1069740C
CN1069740C CN95107751A CN95107751A CN1069740C CN 1069740 C CN1069740 C CN 1069740C CN 95107751 A CN95107751 A CN 95107751A CN 95107751 A CN95107751 A CN 95107751A CN 1069740 C CN1069740 C CN 1069740C
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CN
China
Prior art keywords
gas
pump
filter
volute casing
communicated
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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.)
Expired - Fee Related
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CN95107751A
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Chinese (zh)
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CN1139740A (en
Inventor
佐久间邦夫
田中�明
中西纪之
松本一成
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TATSUNO MECHATRONICS CORP
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TATSUNO MECHATRONICS CORP
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Priority to CN95107751A priority Critical patent/CN1069740C/en
Publication of CN1139740A publication Critical patent/CN1139740A/en
Application granted granted Critical
Publication of CN1069740C publication Critical patent/CN1069740C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention has a goal to make a gas and liquid separator for a pump device have a compact structure. The flowing side of a pump is communicated with a flowing port on an outer shell; the discharging side of the pump is communicated with the side wall of a cylindrical volute chamber (10); and a small hole (13a) of discharge of gas and liquid mixing flow is arranged on the end wall of the volute chamber (10), which causes that a cylinder member (11) arranged on a discharging port extends in a filter (14) of a filter chamber (17).

Description

The gas-liquid separation device of pump-unit
The present invention relates to be arranged on the structure of gas-liquid separation device of pump-unit of the weighing machine in fuel feeding places such as gas station.
Usually, the pump-unit that weighing machine is used is equipped with box-shaped enclosure, the oil that flows in the shell from inflow path pumps up, the oil that does not contain with the isolated gas of gas-liquid separation device flows out from outflow opening, the gas-liquid mixed stream that contains other gas is sent the float chamber to, gas is emitted from relief opening, and liquid is got back to pump (for example, the special fair 4-15399 communique that proposes with reference to the applicant).
In the gas-liquid separation device of this pump-unit, make it produce eddy current, the guiding fluid that does not contain gas that proportion is heavier is foreign side radially, and lighter gas-liquid mixed stream is pooled to central part, the gas-liquid mixed flow that collects in this central part is guided into float chamber (for example, the spy who proposes with reference to the applicant opens flat 5-193697 communique).
But, in the technology of the fair 4-15399 communique of above-mentioned spy, because the urceolus that is connected with volute casing also is provided with filter in addition thereby makes the whole maximization of device.And as opening above-mentioned spy disclosed in the flat 5-193697 communique, the outflow side that the member that prevents the eddy flow generation is arranged on volute casing makes the separating power of air become big, still, this anti-cyclone member is set, and this part is maximized.
So, the purpose of this invention is to provide a kind of gas-liquid separation ability height, and make the gas-liquid separation device of the pump-unit of its miniaturization by compact structure.
According to the present invention, the inflow side of pump is communicated with inflow entrance in the shell upper shed, the exhaust end of pump is communicated with the sidewall of the volute casing of garden tubular, the aperture that gas-liquid mixed stream is flowed out usefulness is opened on the wall of this volute casing one end of sealing, the volute casing the other end is connected with filter chamber, Cylinder shape constructional element that is connected with volute casing and the cylindrical filter that covers around this Cylinder shape constructional element are arranged in this filter chamber, and the outflow side of filter chamber is communicated with outflow opening in the shell upper shed.
In addition, according to the present invention, above-mentioned filter is the garden tubular, and flange plate is installed on the both ends of the surface, on the Cylinder shape constructional element setting flange plate at one end that is connected with the outflow opening of above-mentioned volute casing.
According to the present invention, above-mentioned filter chamber is the garden tubular, outflow opening in the shell upper shed is communicated with the sidewall of filter chamber, one end of filter chamber is connected with volute casing, the other end is in the shell upper shed, by being installed in the lid that clogs this opening and being installed in spring between the flange plate on the filter, make the flange plate that is provided with Cylinder shape constructional element one side be fixed on the volute casing side tightly.
Therefore, the oil that pumps up becomes eddy flow in volute casing, even also produce eddy flow in the filter chamber of the Cylinder shape constructional element and the setting that links to each other.As a result, as opening above-mentioned spy described in the flat 5-193697 communique, gas-liquid mixed stream flows into aperture, makes gas separation in the float chamber, and liquid (oil) returns in the pump.
In filter chamber, radially outward turning of the liquid that proportion is heavier (oil) flows to the filter outside, from the outflow opening outflow of shell.
Because the Cylinder shape constructional element that will guide eddy flow is like this packed into along the inboard prolongation of filter, can make its compact structure and do not hinder the gas-liquid separation ability.
Because filter can be installed from the opening insertion of shell at an easy rate, fix with spring, so the filter loading and unloading easily.
Further Cylinder shape constructional element and filter are made overall structure, can make assembling more simple.
Fig. 1 illustrates and implements the sectional side view of weighing machine of the present invention with pump-unit.
Fig. 2 illustrates the sectional side view of one embodiment of the invention.
Fig. 3 is that the X-X of Fig. 2 is to view.
Fig. 4 implements the ideograph of weighing machine of the present invention with the flow process of pump-unit.
Embodiments of the invention are described below with reference to accompanying drawings.
In Fig. 1, implement weighing machine of the present invention and purchased box-shaped enclosure C with pump-unit, on this shell C, form inflow entrance I and outflow opening O.The filter chamber 1 of garden tubular is communicated with this inflow entrance I, and dust removal filter 2 is captured in this filter chamber 1.This filter chamber 1 is communicated with the path 7 of the inlet side of pump 6 by safety check 5, and the path of pump 6 outlet sides 8 is whole to be communicated with the gas-liquid separation device of representing with symbol 9.This gas-liquid separation device 9 is made up of the aperture 13a that following volute casing 10, Cylinder shape constructional element 11, the filter 14 of flange plate 12a that has had the effect of anti-cyclone member and gas-liquid mixed flow flow out usefulness.
In Fig. 2 and Fig. 3, the volute casing 10 of this gas-liquid separation device 9 is garden tubulars, and the path 8 of pump 6 outlet sides is communicated with the sidewall of volute casing 10.One end of this volute casing 10 is communicated with filter chamber 17 by Cylinder shape constructional element 11, and the other end is communicated with the path 20 that forms on shell C by the aperture 13a that runs through 13 settings of garden plate.The garden tubular is made by filter chamber 17, is communicated with outflow opening O by control valve 18.The bottom of filter chamber 17 is communicated with the path 7 of pump 6 inlet sides by reflux valve 19.Whole with one heart filter 14 and the Cylinder shape constructional element 11 that constitutes is arranged in the filter chamber 17.The internal diameter of Cylinder shape constructional element 11 is consistent with volute casing 10 in fact, and Cylinder shape constructional element 11 is sitting on the supporting surface Ca that forms on the shell C with filter 14 1 sides' flange plate 12b formation one and dress.Filter 14 one ends become integrally to be installed in above-mentioned flange plate 12b, and the other end seals with flange plate 12a.This flange plate 12a finishes the task of preventing eddy flow as open disclosed in the flat 5-193687 communique the spy, the effect that the gas-liquid mixed fluid capacitance is easily flowed out from aperture 13a is also arranged.The bolt of not drawing among the lid 15 usefulness figure releasably is arranged on the outside of shell C, pushes down flange plate 12a with spring 16, and the flange plate 12b that is provided with Cylinder shape constructional element 11 those sides is fixed on the supporting surface Ca tightly.
Therefore, filter 14 can load and unload simply, can clean at an easy rate.And owing to helping the Cylinder shape constructional element 11 of circumnutation to be arranged in the filter 14, institute is not so that compact structure reduces gas-liquid separation effect yet.
Volute casing 10 is formed on the shell C in order to the opening portion 30 that inserts garden plate 13 in the opposite side of filter chamber 17 relatively, in order to seal this opening portion 30, lid 31 has been installed.Like this, the aperture 13a that opens on garden plate 13 is communicated with the path 20 that leads to described float chamber 21, back.
Floating drum valve 22 is arranged on by in path 20 and the float chamber 21 that aperture 13a is communicated with.This floating drum valve 22 is just opened after reaching liquid level L when oil accumulates in float chamber 21.Therefore, relief opening V is arranged on liquid level L top.The exit passageway 23 of this float chamber 21 is communicated with filter chamber 1.
In illustrated embodiment, safety check 5 is a gravity type, and for this safety check 5 is installed, opening 24 is opened on shell C, and this opening 24 covers with lid 25 usually.
Mainly its work is described below with reference to Fig. 4.
Flow into inflow entrance I from the oil of the underground Oil container of not drawing among the figure by the fuel supply line of not drawing among the figure, remove dust, flow into paths 7 by safety check 5 and sucked by pump 6 from filter chamber 1 with dust removal filter 2.The oil that is pressurizeed by pump 6 flows into the volute casing 10 of gas-liquid separation device 9 and produces eddy flow from outlet side path 8, and the gas-liquid mixed stream that proportion is lighter flows into float chamber 21 from aperture 13a through path 20.At this moment, owing to the downstream side that is arranged on Cylinder shape constructional element 11 as the flange plate 12a of anti-cyclone member work, the gas-liquid separation ability is improved.
The oil that does not contain gas is washed control valve 18 open by filter 14 and is flowed to outflow opening O, by the oil nozzle fuel feeding of not drawing among the figure.
When pump 6 work and not during fuel feeding, the oil that comes self-pumping 6 is by gas-liquid separation device 9, filter 14 and reflux valve 19, and the path 7 of getting back to pump 6 inlet sides circulates.
The gas-liquid mixed that flows into float chamber 21 flows gas-liquid separation herein, and gas is that steam is emitted to atmosphere from relief opening V.After a certain amount of oil accumulated in the float chamber 21, floating drum valve 22 was opened, and the oil in the float chamber is got back to underground Oil container by filter 2 from inflow entrance I from path 23.Working as pump 6 and then to be sucked by pump 6.
As seen by above-mentioned, control the present invention can obtain following good effect.
(1) because Cylinder shape constructional element is arranged in the filter, can make the device overall compact.
(2) even do not reduce gas-liquid separation efficient, also the gas-liquid mixed conductance can be entered the float chamber.
(3) mounting or dismounting of filter are easy, and the garden plate that wears aperture is also installed easily.
(4) owing to filter and garden barrel member are made integral body, so easily assembling.

Claims (3)

1, a kind of gas-liquid separation device of pump-unit, it is characterized in that, the inflow side of pump is communicated with inflow entrance on being opened in shell, the discharge side of pump is communicated with the sidewall of cylindrical shape volute casing, the aperture that air feed liquid mixed flow flows out usefulness is opened on the wall of this volute casing one end of sealing, the other end of volute casing is connected with a filter chamber simultaneously, Cylinder shape constructional element that is connected with volute casing and the cylindrical filter that covers around this Cylinder shape constructional element are arranged in this filter chamber, and this filter chamber outflow side is communicated with outflow opening on being opened in shell.
According to the gas-liquid separation device of the said pump-unit of claim 1, it is characterized in that 2, above-mentioned filter is a cylindrical shape, flange plate is installed on its both ends of the surface, and the Cylinder shape constructional element that is connected with the outflow opening of above-mentioned volute casing is arranged on a side the flange plate.
3, according to the gas-liquid separation device of the said pump-unit of claim 2, it is characterized in that, above-mentioned filter chamber is a cylindrical shape, the outflow opening that is opened on the shell is communicated with the sidewall of described filter chamber, one end of this filter chamber is connected with volute casing, the other end is in the shell upper shed, and the flange plate that is provided with that side of Cylinder shape constructional element is securely fixed in the volute casing side by spring, and said spring clip is contained in the lid that covers this opening and is installed between the flange plate on the filter.
CN95107751A 1995-06-30 1995-06-30 Gas and liquid separator for pump set Expired - Fee Related CN1069740C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN95107751A CN1069740C (en) 1995-06-30 1995-06-30 Gas and liquid separator for pump set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN95107751A CN1069740C (en) 1995-06-30 1995-06-30 Gas and liquid separator for pump set

Publications (2)

Publication Number Publication Date
CN1139740A CN1139740A (en) 1997-01-08
CN1069740C true CN1069740C (en) 2001-08-15

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Application Number Title Priority Date Filing Date
CN95107751A Expired - Fee Related CN1069740C (en) 1995-06-30 1995-06-30 Gas and liquid separator for pump set

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CN (1) CN1069740C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103285669B (en) * 2013-05-09 2015-05-06 浙江大学 Automatic gas-liquid separation and backflow integrated device and oil discharge stripping device
CN103306989B (en) * 2013-05-09 2016-06-29 浙江大学 A kind of stripping pump unit
CN106402052A (en) * 2016-11-21 2017-02-15 天津尚吉液压设备有限公司 Gas-liquid separation oil supply system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715863A (en) * 1971-03-26 1973-02-13 Bennett Pump Inc Compact pump/air separator apparatus
JPS5193697A (en) * 1975-02-15 1976-08-17
US4222751A (en) * 1978-08-28 1980-09-16 Anthes Imperial Limited Liquid pump with gas separating means
CN2064677U (en) * 1989-06-17 1990-10-31 梁喜武 Gas-liquid separator
EP0492400A1 (en) * 1990-12-21 1992-07-01 Tankanlagen Salzkotten Gmbh Gas separator for a flow meter of liquid fuels
EP0556527A1 (en) * 1992-02-21 1993-08-25 Jacob S.A. Distributing and measuring apparatus for liquefied petroleum gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715863A (en) * 1971-03-26 1973-02-13 Bennett Pump Inc Compact pump/air separator apparatus
JPS5193697A (en) * 1975-02-15 1976-08-17
US4222751A (en) * 1978-08-28 1980-09-16 Anthes Imperial Limited Liquid pump with gas separating means
CN2064677U (en) * 1989-06-17 1990-10-31 梁喜武 Gas-liquid separator
EP0492400A1 (en) * 1990-12-21 1992-07-01 Tankanlagen Salzkotten Gmbh Gas separator for a flow meter of liquid fuels
EP0556527A1 (en) * 1992-02-21 1993-08-25 Jacob S.A. Distributing and measuring apparatus for liquefied petroleum gas

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Granted publication date: 20010815

Termination date: 20100630