CN105673902A - Micro-flow labyrinth bypassing pressure adjusting and stabilizing valve - Google Patents
Micro-flow labyrinth bypassing pressure adjusting and stabilizing valve Download PDFInfo
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- CN105673902A CN105673902A CN201610145444.3A CN201610145444A CN105673902A CN 105673902 A CN105673902 A CN 105673902A CN 201610145444 A CN201610145444 A CN 201610145444A CN 105673902 A CN105673902 A CN 105673902A
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- valve
- labyrinth
- valve rod
- streamed
- pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/246—Combination of a sliding valve and a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a micro-flow labyrinth bypassing pressure adjusting and stabilizing valve, and relates to the technical field of valves. A key technology of setting a bypassing labyrinth body is adopted; the bottom end of a cavity of a valve body is inlaid with a valve core base; the upper end of the valve body and a valve cover are fixed, and the valve core base and the bottom end of the bypassing labyrinth body are fixed; the bottom surface of the valve cover is buttedagainst the upper end of the bypassing labyrinth body;the inner wall of the bypassing labyrinth body and a valve element relatively slide; the upper end of the valve element and the bottom end of a valve rod are fixed, and the upper position of the middle section of the valve rod and a balance disc are fixed; a filler and a pressure ring are put in a valve cover trapezoidal hole in the lower position of the middle section of the valve rod; the upper end of the valve cover is fixed toa pressure cap; the valve rod and a limiting ring relatively slide; the lower end of a spring inserted in the valve rod and the balance disc are butted against, and the upper end of the spring and a limiting ring are butted against; the upper end of the valve rod and a fine-adjustment twisting internal threadare in threaded connection, and a fine-adjustment twisting external thread and a top plate are in threaded connection; the top plate is welded with a support; and the support is fixed tothe side surface of the valve body. The valve is used for a boiler less-oil or micro-oil ignition fuel system of a fire coal thermal power plant. The valve is simple and skillful in structure, stable and reliable in effect, easy to produce and low in cost.
Description
Technical field
Formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth of the present invention, it relates to valve technology field; It is specifically related to miniflow amount labyrinth and streams formula voltage-regulation voltage-stabilization valve technology field.
Background technology
At present, in " few-oil ignition " or " tiny-oil ignition " system of coal-fired thermal power station boiler, in order to a large amount of saving fuel oil is simultaneously in order to high atomization and the high burnout rate of fuel oil all needs to adopt the high performance Gasifying Small Oil Gun of little flow, this small oil gun is exerted oneself oil pressure little, required low (0.6-1MPa) and need to stablizing, but all relief valves that the oil pressure (3.5-2.5MPa) of station boiler prime the fuel system and market are sold at present all cannot meet the demand of small oil gun. for meeting the demand of small oil gun, it is achieved " few-oil ignition " or " tiny-oil ignition " of coal-fired thermal power station boiler, way conventional at present is all used in sets up " energy-storing pressure-stabilizing tank " in " few-oil ignition " or " tiny-oil ignition " system and solves. existing known technology and present situation also exist many deficiencies, defect and the drawbacks such as relative system is relatively big, installation difficulty is relatively big, system architecture is more complicated, Control protection is more, safe reliability is not high, maintenance workload is bigger. based on the expertise of contriver and working experience and the unremitting pursue to cause, conscientiously investigating, analyzing, understanding, summing up, studying on existing known technology and present situation basis, spy takes " labyrinth body is streamed in setting " gordian technique, has succeeded in developing " formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth " product innovation. namely " formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth " product innovation of the present invention of a set of simply ingenious and novel special construction is installed before " few-oil ignition " or " tiny-oil ignition " prime the fuel system small oil gun, give full play to the effect of the present invention's " labyrinth body is streamed in setting " gordian technique, achieve good being connected of the high oil pressure (3.5-2.5MPa) of boiler fuel oil system with the low oil pressure (0.6-1MPa) needed for small oil gun, and the high stable under the little flow status of this system, high safety, the object of high reliability, effectively raise " few-oil ignition " or " tiny-oil ignition " rate of utilization on station boiler is energy-conservation and overall efficiency, solve existing known technology and the deficiency of present situation existence, defect and drawback.
Summary of the invention
The present invention takes " labyrinth body is streamed in setting " gordian technique, its valve chamber bottom and spool seat are inlayed, valve body upper end and valve gap, spool seat is fixed body bottom, labyrinth with streaming, valve gap bottom surface is pressed on top, body upper end, labyrinth with streaming, stream labyrinth body inwall and spool slip, spool upper end and valve rod bottom, in the middle of valve rod, section upper position and balancing drum are fixed, the valve gap trapezoidal hole of section position on the lower puts filler in the middle of valve rod, pressure ring, valve gap upper end and pressure cap are fixed, valve rod and spacing ring slide, the lower end of the spring being installed on valve rod and balancing drum and upper end and spacing ring top pressure, internal thread is turned round with fine setting in valve rod upper end, fine setting is turned round outside screw and is threaded with top board, top board and supporting welding, support and fix with valve body side.
The object reached by the present invention is: 1., take " labyrinth body is streamed in setting " gordian technique, it is provided that " formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth " product innovation. 2., the present invention takes " labyrinth body is streamed in setting " gordian technique, make full use of the use of stable little flow, low oil pressure operating mode and adaptive small oil gun, make " few-oil ignition " or " tiny-oil ignition " start at coal-fired power station boiler and low-load combustion-stabilizing plays energy-saving effect outstanding, significant. 3., scientific and reasonable for structure and simply ingenious, the easy to use and effect stability of the present invention reliable, be easy to make with use and cost of manufacture and operation cost all low. 4., the present invention under scientific structure, prerequisite reasonable, simple, ingenious, volume is little, be convenient to install and use, maintenance workload is few, long service life, solves the deficiency of existing known technology and present situation existence, defect and drawback. 5., the succeeding in developing of the present invention, effectively brought up to the state of the art of the industry, can wide popularization and application.
For achieving the above object, technical scheme provided by the invention is:
Formula voltage-regulation voltage-stabilization valve is streamed in a kind of miniflow amount labyrinth, by valve body, spool seat, spool, stream labyrinth body, valve rod, valve gap, filler, pressure ring, pressure cap, balancing drum, spring, spacing ring, fine setting torsion, top board, support form;
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, its valve chamber bottom is inlayed with spool seat and is connected, its valve body upper end and valve gap, spool seat is all fixedly connected with body bottom, labyrinth with streaming, the bottom surface of its valve gap with stream body upper end, labyrinth mutually push up pressure be connected, it streams labyrinth body inwall and slides up and down alive connection with spool, its spool upper end and valve rod bottom, in the middle of valve rod, section upper position is all fixedly connected with balancing drum, in the middle of its valve rod, the valve gap trapezoidal hole of section position on the lower places filler successively, pressure ring, the upper end of its valve gap is fixedly connected with pressure cap, its valve rod slides up and down with spacing ring to live and is connected, its lower end of spring being installed on valve rod is all connected with spacing ring with balancing drum and spring upper end in the way of pushing up pressure, the internal thread that the upper end of its valve rod is turned round with fine setting, the outside screw that fine setting is turned round all is threaded with top board, the upper end of its top board and support is welded to connect, its lower end supported is fixedly connected with the side of valve body.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described valve body is the valve body being provided with valve chamber, described spool seat is for being provided with the plectane shape structure of centre hole, described spool is cylindrical shape structure, the described labyrinth body that streams is for by interior cylinder, middle cylinder, urceolus inserts dress and interior cylinder described in this successively, middle cylinder, urceolus is provided with the structure in turnover hole, described valve rod is round bar shape structure, described valve gap is the trapezoidal cylindrical shape structure being provided with trapezoidal centre hole, described filler is the blue fillers of lattice, described pressure ring is flange plate-like structure, described pressure cap is the lid-like being provided with centre hole, described balancing drum is the disc-shaped structure being provided with centre hole, described spring is pressure spring, described spacing ring is the disc-shaped structure being provided with centre hole, described fine setting is turned round as being provided with internal thread and externally threaded nut type structure, described top board is tabular structure, described it is supported for vertical tabular structure.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described valve rod is threaded onto in the centre hole of described valve gap successively, in the centre hole of described pressure ring, in the centre hole of described pressure cap, described valve rod successively with described valve gap, described pressure ring, described pressure cap all by slide up and down live be connected in the way of be connected.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, and the pressure that formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth is 0.6MPa-1.0MPa.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described in stream turnover Kong Jun mutually adjacent on cylinder in the body of labyrinth, middle cylinder, urceolus and be on same vertical line and not in the same horizontal line.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, the described labyrinth body that streams is insert the structure filling and being provided with turnover hole on interior cylinder, middle cylinder, urceolus described in this successively by interior cylinder, middle cylinder, urceolus, and replacing as streaming labyrinth body is insert successively by interior cylinder, middle cylinder, urceolus, again urceolus to be provided with, on dress and interior cylinder, middle cylinder, urceolus, again urceolus described in this, the structure passing in and out hole.
Principle of work and the working process of the present invention be: as shown in Figure of description, the principle of work of the present invention and working process are very simple and clear, the present invention has given full play to the effect of " labyrinth body is streamed in setting " gordian technique, after high pressure (3.5-2.5MPa) fuel liquid enters valve body, spool is upwards pushed away by the power acting on spool bottom surface, make spool leave spool seat upwards to slide, the fuel liquid of high pressure is under the effect of " streaming labyrinth body " gordian technique, interior space between cylinder and middle cylinder is flowed into from the turnover hole of " streaming labyrinth body " interior cylinder, again therefrom the turnover hole of cylinder flow in space between cylinder and urceolus, then the room, chamber of valve body is flowed into from the turnover hole of urceolus, finally flow out from the room, chamber of valve body, in this process, enter high pressure (3.5-2.5MPa) fuel liquid of valve body, under spool slip effect, through " streaming labyrinth body ", just make fuel liquid create pressure reduction, i.e. high pressure (3.5-2.5MPa) fuel liquid to fall for 0.6MPa-1.0MPa in current limliting and current stabilization state overdraft, this process establishes the pressure difference that spool enters Shi Yuchu Qiang Shi two ends, chamber fuel liquid, just serves the effect of the step-down to fuel liquid, current limliting, current stabilization, accurate demand for the low oil pressure value of valve outlet is turned round (manual fine-tuning) realize by balancing drum (by spring self-regulated), fine setting, reach object stable, safe and reliable, effectively solve the pressure regulation under " fuel liquid " little flow status, a voltage stabilizing difficult problem. the design of the present invention is scientific and reasonable, simple and ingenious structure, to be easy to cost of manufacture low, result of use is reliable and stable, volume is little, be convenient to install and use, maintenance workload is few, long service life, solve deficiency, defect and drawback that existing known technology and present situation exist, effectively bring up to the state of the art of the industry.
Owing to have employed technical scheme provided by the present invention, owing to this invention takes " labyrinth body is streamed in setting " gordian technique, described in the principle of work of the present invention and working process, owing to its valve chamber bottom of the present invention and spool seat are inlayed, valve body upper end and valve gap, spool seat is fixed body bottom, labyrinth with streaming, valve gap bottom surface is pressed on top, body upper end, labyrinth with streaming, stream labyrinth body inwall and spool slip, spool upper end and valve rod bottom, in the middle of valve rod, section upper position and balancing drum are fixed, the valve gap trapezoidal hole of section position on the lower puts filler in the middle of valve rod, pressure ring, valve gap upper end and pressure cap are fixed, valve rod and spacing ring slide, the lower end of the spring being installed on valve rod and balancing drum and upper end and spacing ring top pressure, internal thread is turned round with fine setting in valve rod upper end, fine setting is turned round outside screw and is threaded with top board, top board and supporting welding, support and fix with valve body side. making the present invention with existing known technology compared with present situation, the useful effect of acquisition is:
1, this invention takes " labyrinth body is streamed in setting " gordian technique, thus provide " formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth " product innovation.
2, the present invention takes " labyrinth body is streamed in setting " gordian technique, make full use of the use of stable little flow, low oil pressure operating mode and adaptive small oil gun, make " few-oil ignition " or " tiny-oil ignition " start at coal-fired power station boiler and low-load combustion-stabilizing plays energy-saving effect outstanding, significant.
3, scientific and reasonable for structure and simply ingenious, the easy to use and effect stability of the present invention reliable, be easy to make with use and cost of manufacture and operation cost all low.
4, the present invention is under scientific structure, prerequisite reasonable, simple, ingenious, have volume little, be convenient to install and use, maintenance workload is few, the useful effect of long service life.
5, the invention solves the deficiency of existing known technology and present situation existence, defect and drawback.
6, the succeeding in developing of the present invention, has effectively brought up to the state of the art of the industry, can wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of the specific embodiment of the invention.
Fig. 2 is the top cross-sectional view streaming labyrinth body in the specific embodiment of the invention. It should be understood that stream on the interior cylinder of labyrinth body, middle cylinder, urceolus the turnover hole that arranges respectively not in the same horizontal line, just specially it is drawn in the same plane of same level line for the ease of understanding.
Label in figure: 1, valve body, 2, spool seat, 3, spool, 4, stream labyrinth body, 5, valve rod, 6, valve gap, 7, filler, 8, pressure ring, 9, pressure cap, 10, balancing drum, 11, spring, 12, spacing ring, 13, fine setting turn round, 14, top board, 15, support, Q, room, chamber.
Embodiment
Below in conjunction with Figure of description, the present invention is described in detail. Shown in Figure of description:
Formula voltage-regulation voltage-stabilization valve is streamed in a kind of miniflow amount labyrinth, by valve body 1, spool seat 2, spool 3, streams labyrinth body 4, valve rod 5, valve gap 6, filler 7, pressure ring 8, pressure cap 9, balancing drum 10, spring 11, spacing ring 12, fine setting torsion 13, top board 14, supports 15 and form;
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, its bottom, room, valve body 1 chamber is inlayed with spool seat 2 and is connected, its valve body 1 upper end and valve gap 6, spool seat 2 is all fixedly connected with labyrinth body 4 bottom with streaming, the bottom surface of its valve gap 6 with stream labyrinth body 4 upper end mutually push up pressure be connected, it streams labyrinth body 4 inwall and slides up and down alive connection with spool 3, its spool 3 upper end and valve rod 5 bottom, in the middle of valve rod 5, section upper position is all fixedly connected with balancing drum 10, valve gap 6 trapezoidal hole of its middle section of valve rod 5 position on the lower places filler 7 successively, pressure ring 8, the upper end of its valve gap 6 is fixedly connected with pressure cap 9, its valve rod 5 slides up and down with spacing ring 12 to live and is connected, its spring 11 times ends being installed on valve rod 5 are all connected with spacing ring 12 with balancing drum 10 and spring 11 upper end in the way of pushing up pressure, the internal thread of 13 is turned round with fine setting in the upper end of its valve rod 5, the outside screw of fine setting torsion 13 is all threaded with top board 14, its top board 14 is welded to connect with the upper end supporting 15, the lower end of its support 15 is fixedly connected with the side of valve body 1.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described valve body 1 is for being provided with the valve body in valve chamber, described spool seat 2 is for being provided with the plectane shape structure of centre hole, described spool 3 is cylindrical shape structure, the described labyrinth body 4 that streams is for by interior cylinder, middle cylinder, urceolus inserts dress and interior cylinder described in this successively, middle cylinder, urceolus is provided with the structure in turnover hole, described valve rod 5 is round bar shape structure, described valve gap 6 is for being provided with the trapezoidal cylindrical shape structure of trapezoidal centre hole, described filler 7 is the blue fillers of lattice, described pressure ring 8 is flange plate-like structure, described pressure cap 9 is for being provided with the lid-like of centre hole, described balancing drum 10 is for being provided with the disc-shaped structure of centre hole, described spring 11 is pressure spring, described spacing ring 12 is for being provided with the disc-shaped structure of centre hole, described fine setting turns round 13 for being provided with internal thread and externally threaded nut type structure, described top board 14 is tabular structure, described support 15 is vertical tabular structure.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described valve rod 5 is threaded onto in the centre hole of described valve gap 6 successively, in the centre hole of described pressure ring 8, in the centre hole of described pressure cap 9, described valve rod 5 is all connected to slide up and down in the way of work is connected with described valve gap 6, described pressure ring 8, described pressure cap 9 successively.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, and the pressure that formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth is 0.6MPa-1.0MPa.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, described in stream turnover Kong Jun mutually adjacent on cylinder in labyrinth body 4, middle cylinder, urceolus and be on same vertical line and not in the same horizontal line.
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, the described structure streamed labyrinth body 4 and fill for inserting successively by interior cylinder, middle cylinder, urceolus and be provided with turnover hole on interior cylinder, middle cylinder, urceolus described in this, replaces and is provided with, on dress and interior cylinder, middle cylinder, urceolus, again urceolus described in this, the structure passing in and out hole for inserting successively by interior cylinder, middle cylinder, urceolus, again urceolus for streaming labyrinth body 4.
The foregoing is only the better embodiment of the present invention, not the present invention is done any restriction in form; The those of ordinary skill of all industry, all can shown in by specification accompanying drawing and the above and implement the present invention smooth and easyly; But not departing from technical solution of the present invention and make the equivalent variations of differentiation, it is the equivalent embodiment of the present invention, all still belongs to the technical scheme of the present invention's protection.
Claims (6)
1. formula voltage-regulation voltage-stabilization valve is streamed in a miniflow amount labyrinth, it is characterised in that: by valve body (1), spool seat (2), spool (3), stream labyrinth body (4), valve rod (5), valve gap (6), filler (7), pressure ring (8), pressure cap (9), balancing drum (10), spring (11), spacing ring (12), fine setting turn round (13), top board (14), support (15) form;
Formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth, bottom, its valve body (1) room, chamber is inlayed with spool seat (2) and is connected, its valve body (1) upper end and valve gap (6), spool seat (2) is all fixedly connected with labyrinth body (4) bottom with streaming, the bottom surface of its valve gap (6) with stream labyrinth body (4) upper end mutually push up pressure be connected, it streams labyrinth body (4) inwall and slides up and down alive connection with spool (3), its spool (3) upper end and valve rod (5) bottom, in the middle of valve rod (5), section upper position is all fixedly connected with balancing drum (10), valve gap (6) trapezoidal hole of section position on the lower places filler (7) successively in the middle of its valve rod (5), pressure ring (8), the upper end of its valve gap (6) is fixedly connected with pressure cap (9), its valve rod (5) slides up and down with spacing ring (12) to live and is connected, its spring (11) lower end being installed on valve rod (5) is all connected with spacing ring (12) with balancing drum (10) and spring (11) upper end in the way of pushing up pressure, the internal thread of (13) is turned round with fine setting in the upper end of its valve rod (5), the outside screw that (13) are turned round in fine setting is all threaded with top board (14), its top board (14) is welded to connect with the upper end supporting (15), its lower end supporting (15) is fixedly connected with the side of valve body (1).
2. formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth according to claim 1, it is characterized in that: described valve body (1) is for being provided with the valve body in valve chamber, described spool seat (2) is for being provided with the plectane shape structure of centre hole, described spool (3) is cylindrical shape structure, the described labyrinth body (4) that streams is for by interior cylinder, middle cylinder, urceolus inserts dress and interior cylinder described in this successively, middle cylinder, urceolus is provided with the structure in turnover hole, described valve rod (5) is round bar shape structure, described valve gap (6) is for being provided with the trapezoidal cylindrical shape structure of trapezoidal centre hole, described filler (7) is the blue filler of lattice, described pressure ring (8) is flange plate-like structure, described pressure cap (9) is for being provided with the lid-like of centre hole, described balancing drum (10) is for being provided with the disc-shaped structure of centre hole, described spring (11) is pressure spring, described spacing ring (12) is for being provided with the disc-shaped structure of centre hole, described fine setting turns round (13) for being provided with internal thread and externally threaded nut type structure, described top board (14) is tabular structure, described support (15) is vertical tabular structure.
3. formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth according to claim 1, it is characterized in that: described valve rod (5) is threaded onto in the centre hole of described valve gap (6) successively, in the centre hole of described pressure ring (8), in the centre hole of described pressure cap (9), described valve rod (5) is all connected to slide up and down in the way of work is connected with described valve gap (6), described pressure ring (8), described pressure cap (9) successively.
4. formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth according to claim 1, it is characterised in that: the pressure that formula voltage-regulation voltage-stabilization valve is streamed in described miniflow amount labyrinth is 0.6MPa-1.0MPa.
5. formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth according to claim 2, it is characterised in that: described in stream turnover Kong Jun mutually adjacent on labyrinth body (4) interior cylinder, middle cylinder, urceolus and be on same vertical line and not in the same horizontal line.
6. formula voltage-regulation voltage-stabilization valve is streamed in miniflow amount labyrinth according to claim 2, it is characterized in that: described in stream labyrinth body (4) for insert dress successively by interior cylinder, middle cylinder, urceolus and described in this in cylinder, middle cylinder, urceolus are provided with the structure in turnover hole, replace for stream labyrinth body (4) for insert dress successively by interior cylinder, middle cylinder, urceolus, again urceolus and described in this in cylinder, middle cylinder, urceolus, again urceolus are provided with the structure passing in and out hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145444.3A CN105673902B (en) | 2016-03-15 | 2016-03-15 | Micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145444.3A CN105673902B (en) | 2016-03-15 | 2016-03-15 | Micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673902A true CN105673902A (en) | 2016-06-15 |
| CN105673902B CN105673902B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610145444.3A Expired - Fee Related CN105673902B (en) | 2016-03-15 | 2016-03-15 | Micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve |
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| CN (1) | CN105673902B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109340450A (en) * | 2018-09-19 | 2019-02-15 | 南通国电电站阀门股份有限公司 | Nuclear power island heart reheated steam main flow control valve spool and its processing technology |
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| CN105673902B (en) | 2018-05-25 |
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