CN104405506A - Novel fuel regulator for ships - Google Patents
Novel fuel regulator for ships Download PDFInfo
- Publication number
- CN104405506A CN104405506A CN201410700681.2A CN201410700681A CN104405506A CN 104405506 A CN104405506 A CN 104405506A CN 201410700681 A CN201410700681 A CN 201410700681A CN 104405506 A CN104405506 A CN 104405506A
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- valve seat
- housing
- shaped holes
- long arc
- baffle plate
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Abstract
The invention provides a novel fuel regulator for ships. A casing is connected with a valve seat, valve seat arc-shaped slot holes are formed in the inside bottom plane of the valve seat, a shaft is fixed in the center of the casing, a crank is connected to the outer end of the shaft, a guide body is connected with the inside shaft end of the shaft, the inside end surface of the shaft is connected with a flow regulating valve seat through two stop pins, a spring is arranged between the flow regulating valve seat and the shaft, the other end of the flow regulating valve seat is connected with a boss of a baffle through two grooves, the baffle is propped against the inside end surface of the valve seat, baffle arc-shaped slot holes are formed in the baffle, a fuel inlet hole is formed in the casing space on the outer side of the flow regulating valve seat and is communicated with the outside of the casing, and a fuel outlet hole is formed in the outer casing space at a side hole of the valve seat and communicated with the outside of the casing. A main valve adopts a symmetrical valve clack design, so as to effectively balance the axial torque generated by equilibrium fluid power; meanwhile, a differential pressure valve integrated on a valve body maintains a constant differential pressure between a main valve inlet and a main valve outlet through a bypass, so as to guarantee the main valve opening and a linear valve flow.
Description
technical field:
The present invention relates to hydraulic regulating valve field, specifically Novel marine fuel regulator.
background technique:
Digital type fuel oil regulating system is the key technology of gas turbine installation full-function digital electronic control system development, directly affects the performance of gas turbine installation, stability and reliability.Digital type fuel oil regulating system can realize the optimization of gas turbine installation overall performance, this system has that reaction velocity is fast, using scope is wide, degree of regulation advantages of higher, and be convenient to the full-function automation realizing gas turbine installation, the LM2500 gas turbine of the U.S. is comparatively early attempted and really achieves gas turbine full-function digital control.Domestic indivedual gas turbine fuel regulation system adopts full-function numerical control system, this control system compensate for the shortcoming of above-mentioned former control system completely, it is the research and development direction that Gas Turbine Control Technique is very important from now on, fuel regulator in digital type fuel oil regulating system is the critical component in gas turbine installation numerical control system, it is mainly used in regulating in the circumstances lower linear of stable turnover pressure reduction the fuel flow entering firing chamber, simultaneously it or gas turbine overtemperature, the core component of emergency shutdown order is performed during overspeed protection, the fuel regulator employing pinion and-rack accelerator open degree adjustment that gas turbine oil-fired system is conventional, is furnished with independently pressure difference valve structure be furnished with multiple protective action component, complex structure, rate of fault is high, level of integration is poor, Installation and Debugging difficulty is large, boundary dimension weight is large, greatest drawback is that small flow degree of regulation is poor.
summary of the invention:
For the problems referred to above, the object of this invention is to provide a kind of Novel marine fuel regulator.
Technological scheme of the present invention is: Novel marine fuel regulator, comprise housing, laterally through hole is had in housing, through hole side is fixedly connected with valve seat, valve seat is connected with housing body seal, the bucket wall of valve seat inboard have some lateral opening, the inboard base plane of valve seat has valve seat long arc-shaped holes, the cross through hole opposite side of housing has axle to be fixed on housing cross through hole center by gland and bearing pack, axle is exposed at the end connecting crank of housing shell, the axle head cylindrical Spielpassung that shaft extension enters enclosure interior connects guide way, guide way cylindrical and body clearance are connected, the inboard end face of axle is by the stop pin connection traffic adjustment valve seat of the symmetry at Liang Gebu center, spring is provided with between flow rate regulating valve seat and axle, the other end of flow rate regulating valve seat connects the boss of baffle plate by the groove of the symmetry at Liang Gebu center, the length installing space of spring is 80% of spring normal length, baffle plate withstands on the inboard end face of valve seat, baffle plate has baffle plate long arc-shaped holes, shell space outside flow rate regulating valve seat has oil inlet hole be communicated with outside, the space outerpace of the lateral opening housing of valve seat has oil outlet and is communicated with outside, each sealing place is provided with Sealing.
The inboard base plane of described valve seat has valve seat long arc-shaped holes, baffle plate has baffle plate long arc-shaped holes, two place's long arc-shaped holes are two long arc-shaped holes that centrosymmetric is arranged, two arc equal place circular diameters are identical, the center of circle is identical, the arc length of two long arc-shaped holes depends on: when two groups of long arc-shaped holes stagger completely, two director holes do not have overlapping area.
Oil inlet hole has through hole with the enclosure interior space at oil outlet place and is connected one-way valve, and the stop-pass direction of one-way valve is towards hull outside.
The present invention has following beneficial effect: main valve adopts symmetrical flap design, can the axial moment of torsion that causes of active balance hydraulic power.Meanwhile, be integrated in pressure difference valve on valve body and make main valve inlet outlet pressure differential remain constant by bypass, thus ensure the linearization of main valve aperture and flow.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Accompanying drawing 2 is partial enlarged drawings of axis of the present invention, flow rate regulating valve seat and baffle plate;
Accompanying drawing 3 is location diagrams of baffle plate long arc-shaped holes and valve seat long arc-shaped holes in the present invention.
1-crank in figure, 2-guide way, 3-stop pin, 4-oil outlet, 5-housing, 6-oil inlet hole, 7-valve seat, 8-is lateral opening, 9-one-way valve, 10-baffle plate, 11-flow rate regulating valve seat, 12-spring, 13-axle, 14-baffle plate long arc-shaped holes, 15-valve seat long arc-shaped holes, 16-groove.
embodiment:
Below in conjunction with accompanying drawing, the invention will be further described:
Shown in Fig. 1 composition graphs 2 ~ Fig. 3, Novel marine fuel regulator, comprise housing 5, laterally through hole is had in housing 5, through hole side is fixedly connected with valve seat 7, valve seat 7 is connected with housing 5 body seal, the bucket wall of valve seat 7 inboard has some lateral opening 8, the inboard base plane of valve seat 7 has valve seat long arc-shaped holes 15, the cross through hole opposite side of housing 5 has axle 13 to be fixed on housing 5 cross through hole center by gland and bearing pack, axle 13 is exposed at the end connecting crank 1 of housing 5 shell, the axle head cylindrical Spielpassung that axle 13 stretches into housing 5 inside connects guide way 2, guide way 2 cylindrical is connected with housing 5 Spielpassung, the inboard end face of axle 13 is by the stop pin 3 connection traffic adjustment valve seat 11 of the symmetry at Liang Gebu center, spring 12 is provided with between flow rate regulating valve seat 11 and axle 13, the other end of flow rate regulating valve seat 11 connects the boss of baffle plate 10 by the groove 16 of the symmetry at Liang Gebu center, the length installing space of spring 12 is 80% of spring 12 normal length, baffle plate 10 withstands on the inboard end face of valve seat 7 by the spring 12 of compression, baffle plate 10 has baffle plate long arc-shaped holes 14, housing 5 outside flow rate regulating valve seat 11 spatially has oil inlet hole 4 and housing 5 ft connection, the space outerpace of lateral opening 8 housings 5 of valve seat 7 has oil outlet 6 and housing 5 ft connection, each sealing place is provided with Sealing.
The described inboard base plane of valve seat 7 has valve seat long arc-shaped holes 15, baffle plate 10 has baffle plate long arc-shaped holes 14, two place's long arc-shaped holes 14,15 are two long arc-shaped holes that centrosymmetric is arranged, two arc 14,15 equal place circular diameters are identical, the center of circle is identical, the arc length of two long arc-shaped holes 14,15 depends on: when two groups of long arc-shaped holes 14,15 stagger completely, two director holes do not have overlapping area.
Oil inlet hole 4 has through hole with housing 5 inner space at oil outlet 6 place and is connected one-way valve 9, and the stop-pass direction of one-way valve 9 is outside housing 5.
The key point of fuel regulator is flow rate regulating valve seat 11 and baffle plate 10, flow rate regulating valve seat 11 adopts symmetrical semi-circle valve port design, point food tray of structural type and plunger pump is close, the baffle plate 10 docked with it there is symmetrical projection semi-circle opotism, can contain lid flow rate regulating valve seat 11 valve port completely, the spring 12 in baffle plate 10 determines the combination force of itself and valve seat 7.
Novel fuel regulator model machine various functions and performance index all meet design requirement, effectively raise small guide vane flow Adjustment precision, the real fine adjustment achieving gas turbine starting rule, this fuel regulator instead of former fuel regulator completely, now be applied on production domesticization gas turbine, running state is good, compared with conventional fuel oil regulator, rotational travel is little, degree of regulation is high, its drag characteristic is stablized, reduce the requirement of throttle actuator output torque, be convenient to the rapidity and the accuracy that realize adjustment, the volume and weight of new fuel regulator is 1/3 of legacy equipment, the structure of simplifying makes it easy to manufacture, safeguard, adjustment and maintenance.
Claims (3)
1. a Novel marine fuel regulator, comprise housing (5), it is characterized in that: in housing (5), laterally have through hole, through hole side is fixedly connected with valve seat (7), valve seat (7) is connected with housing (5) body seal, the bucket wall that valve seat (7) is inboard has some lateral opening (8), valve seat (7) inboard base plane has valve seat long arc-shaped holes (15), the cross through hole opposite side of housing (5) has axle (13) to be fixed on housing (5) cross through hole center by gland and bearing pack, axle (13) is exposed at the end connecting crank (1) of housing (5) shell, axle (13) stretches into the inner axle head cylindrical Spielpassung of housing (5) and connects guide way (2), guide way (2) cylindrical is connected with housing (5) Spielpassung, axle (13) inboard end face is by stop pin (3) connection traffic adjustment valve seat (11) of the symmetry at Liang Gebu center, spring (12) is provided with between flow rate regulating valve seat (11) and axle (13), the other end of flow rate regulating valve seat (11) connects the boss of baffle plate (10) by the groove (16) of the symmetry at Liang Gebu center, the length installing space of spring (12) is 80% of spring (12) normal length, baffle plate (10) withstands on the inboard end face of valve seat 7, baffle plate (10) has baffle plate long arc-shaped holes (14), the housing (5) in flow rate regulating valve seat (11) outside spatially has oil inlet hole (4) and housing (5) ft connection, the space outerpace of lateral opening (8) housing (5) of valve seat (7) has oil outlet (6) and housing (5) ft connection, each sealing place is provided with Sealing.
2. Novel marine fuel regulator according to claim 1, it is characterized in that: described valve seat (7) inboard base plane has valve seat long arc-shaped holes (15), baffle plate (10) has baffle plate long arc-shaped holes (14), two place's long arc-shaped holes (14, 15) two long arc-shaped holes that centrosymmetric is arranged are, two arcs (14, 15) all place circular diameter is identical, the center of circle is identical, two long arc-shaped holes (14, 15) arc length depends on: when two groups of long arc-shaped holes (14, 15) when staggering completely, two director holes do not have overlapping area.
3. Novel marine fuel regulator according to claim 1, it is characterized in that: oil inlet hole (4) has through hole with housing (5) inner space at oil outlet (6) place and is connected one-way valve (9), the stop-pass direction of one-way valve (9) is towards housing (5) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700681.2A CN104405506A (en) | 2014-11-28 | 2014-11-28 | Novel fuel regulator for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700681.2A CN104405506A (en) | 2014-11-28 | 2014-11-28 | Novel fuel regulator for ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405506A true CN104405506A (en) | 2015-03-11 |
Family
ID=52643160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410700681.2A Pending CN104405506A (en) | 2014-11-28 | 2014-11-28 | Novel fuel regulator for ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705434A (en) * | 2022-04-24 | 2022-07-05 | 中国航发沈阳发动机研究所 | Resistance characteristic test method for fuel distributor |
| CN117738797A (en) * | 2024-02-21 | 2024-03-22 | 中国航发四川燃气涡轮研究院 | Main oil way valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2389000A1 (en) * | 1977-04-29 | 1978-11-24 | Microturbo Sa | Burner fuel control for turbine - has servo device varying return flow in opposite sense to delivery flow to widen operating range |
| CN2596036Y (en) * | 2002-12-27 | 2003-12-31 | 沈阳黎明航空发动机(集团)有限责任公司 | High pressure shutoff valve used for gas combustion |
| CN101705871A (en) * | 2009-11-20 | 2010-05-12 | 株洲南方燃气轮机成套制造安装有限公司 | Gas fuel regulating valve of combustion gas turbine |
| CN102493873A (en) * | 2011-12-14 | 2012-06-13 | 中国人民解放军总参谋部第六十研究所 | Small-sized fuel adjuster of turbojet engine |
| CN204253188U (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨广瀚燃气轮机有限公司 | Novel marine fuel regulator |
-
2014
- 2014-11-28 CN CN201410700681.2A patent/CN104405506A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2389000A1 (en) * | 1977-04-29 | 1978-11-24 | Microturbo Sa | Burner fuel control for turbine - has servo device varying return flow in opposite sense to delivery flow to widen operating range |
| CN2596036Y (en) * | 2002-12-27 | 2003-12-31 | 沈阳黎明航空发动机(集团)有限责任公司 | High pressure shutoff valve used for gas combustion |
| CN101705871A (en) * | 2009-11-20 | 2010-05-12 | 株洲南方燃气轮机成套制造安装有限公司 | Gas fuel regulating valve of combustion gas turbine |
| CN102493873A (en) * | 2011-12-14 | 2012-06-13 | 中国人民解放军总参谋部第六十研究所 | Small-sized fuel adjuster of turbojet engine |
| CN204253188U (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨广瀚燃气轮机有限公司 | Novel marine fuel regulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705434A (en) * | 2022-04-24 | 2022-07-05 | 中国航发沈阳发动机研究所 | Resistance characteristic test method for fuel distributor |
| CN114705434B (en) * | 2022-04-24 | 2024-01-02 | 中国航发沈阳发动机研究所 | Resistance characteristic test method for fuel distributor |
| CN117738797A (en) * | 2024-02-21 | 2024-03-22 | 中国航发四川燃气涡轮研究院 | Main oil way valve |
| CN117738797B (en) * | 2024-02-21 | 2024-04-16 | 中国航发四川燃气涡轮研究院 | Main oil way valve |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |