CN205446838U - Formula pressure regulating surge damping valve is streamed in micrometeor maze - Google Patents
Formula pressure regulating surge damping valve is streamed in micrometeor maze Download PDFInfo
- Publication number
- CN205446838U CN205446838U CN201620196695.XU CN201620196695U CN205446838U CN 205446838 U CN205446838 U CN 205446838U CN 201620196695 U CN201620196695 U CN 201620196695U CN 205446838 U CN205446838 U CN 205446838U
- Authority
- CN
- China
- Prior art keywords
- valve
- labyrinth
- valve rod
- urceolus
- micrometeor
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses formula pressure regulating surge damping valve is streamed in micrometeor maze relates to valve technical field. Adopt " the maze body is streamed in the setting " key technology, inlay with the valve core case its valve coelomic chamber bottom, valve body upper end and valve gap, the valve core case with maze body bottom mounting streams, the valve gap bottom surface with maze body upper end roof pressure streams, it slides with the case to stream the internal wall in maze, case upper end and valve rod bottom, the valve rod interlude leans on last position and balancing disk fixed, put the filler among the valve gap trapezoidal hole of valve rod interlude by lower position, the clamping ring, the valve gap upper end is fixed with pressing the cap, the valve rod slides with the spacing ring, wear the spring lower extreme of dress on the valve rod and balancing disk and upper end and spacing ring roof pressure, the internal thread is turned round with the fine setting in the valve rod upper end, external screw thread and roof threaded connection are turned round in the fine setting, roof and support welding, support and valve body side are fixed. A fuel oil system that is used for coal -fired fire power plant boiler " to lack oil " or " little oil drop fire ". Simple structure is ingenious, the effect is reliable and stable, easy preparation and with low costs.
Description
Technical field
This utility model micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, relates to valve technology field；It is specifically related to flow around type voltage-regulation voltage-stabilization valve technology field, micrometeor labyrinth.
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 oils are both needed to use the high performance Gasifying Small Oil Gun of low discharge for high atomization and the high burnout rate of fuel oil simultaneously, this small oil gun is exerted oneself low oil pressure (0.6-1MPa) little, required and need to stablizing, but the oil pressure (3.5-2.5MPa) of station boiler fuel system and marketed all pressure regulator valves all cannot meet the demand of small oil gun at present.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, at present conventional way all uses 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 structure is more complicated, control protection is more, security reliability is the highest, maintenance workload is bigger.Professional knowledge based on inventor and working experience and the unremitting pursuit to cause, conscientiously investigating, analyze, understand, sum up, study existing known technology and present situation on the basis of, spy takes " labyrinth body is streamed in setting " key technology, has succeeded in developing " micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve " new product." micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve " this utility model new product of a set of the most ingenious and novel special construction is i.e. installed before " few-oil ignition " or " tiny-oil ignition " fuel system small oil gun, give full play to the effect of this utility model " labyrinth body is streamed in setting " key technology, achieve the high oil pressure (3.5-2.5MPa) of boiler fuel oil system to be connected with the good of the low oil pressure (0.6-1MPa) needed for small oil gun, and the high stable under this system low discharge state, high safety, the purpose of high reliability, effectively raise " few-oil ignition " or " tiny-oil ignition " utilization rate on station boiler is energy-conservation and overall efficiency, solve the deficiency that existing known technology exists with present situation, defect and drawback.
Summary of the invention
This utility model takes " labyrinth body is streamed in setting " key technology, its valve chamber bottom is inlayed with valve core case, valve body upper end and valve gap, valve core case is fixed with streaming body bottom, labyrinth, valve gap bottom surface is pressed with streaming top, body upper end, labyrinth, in streaming labyrinth body, wall slides with spool, spool upper end and valve rod bottom, valve rod interlude upper position is fixed with balancing frame, the valve gap trapezoidal hole of valve rod interlude upper position puts filler, pressure ring, valve gap upper end is fixed with pressure cap, valve rod slides with spacing ring, the lower spring end being installed on valve rod is pressed with spacing ring top with balancing frame and upper end, female thread is turned round with fine setting in valve rod upper end, fine setting torsion external screw thread is threadeded with top board, top board and supporting welding, support and fix with valve body side.
The purpose reached by this utility model is: 1., take " labyrinth body is streamed in setting " key technology, it is provided that " micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve " new product.2., this utility model takes " labyrinth body is streamed in setting " key technology, make full use of stable low discharge, low oil pressure operating mode and the use of adaptive small oil gun, make " few-oil ignition " or " tiny-oil ignition " to start at coal-fired power station boiler and low-load combustion-stabilizing plays energy-saving effect prominent, significant.3., of the present utility model scientific and reasonable for structure and the most ingenious, convenient use and effect stability is reliable, easy to make the lowest with operation cost with use and cost of manufacture.4., this utility model under scientific structure, premise reasonable, simple, ingenious, volume is little, be easily installed use, maintenance workload is few, service life is long, solves deficiency, defect and drawback that existing known technology exists with present situation.5., of the present utility model succeed in developing, effectively brought up to the technical merit of the industry, can wide popularization and application.
For achieving the above object, the technical scheme that this utility model provides is:
A kind of micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, by valve body, valve core case, spool, stream labyrinth body, valve rod, valve gap, filler, pressure ring, pressure cap, balancing frame, spring, spacing ring, fine setting torsion, top board, support are constituted；
nullDescribed micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve，Its valve chamber bottom is inlayed with valve core case and is connected，Its valve body upper end and valve gap、Valve core case is fixedly connected with streaming body bottom, labyrinth，The bottom surface of its valve gap with stream body upper end, labyrinth mutually push up pressure be connected，In it streams labyrinth body, wall slides up and down alive connection with spool，Its spool upper end and valve rod bottom、Valve rod interlude upper position is fixedly connected with balancing frame，The valve gap trapezoidal hole of its valve rod interlude upper position is sequentially placed filler、Pressure ring，The upper end of its valve gap is fixing with pressure cap to be connected，Its valve rod slides up and down with spacing ring to live and is connected，Its lower spring end being installed on valve rod is all connected with spacing ring with balancing frame and spring upper end in the way of the pressure of top，The female thread that the upper end of its valve rod is turned round with fine setting、The external screw thread that fine setting is turned round all is threadeded with top board，Its top board is welded to connect with the upper end of support，Its lower end supported is fixing with the side of valve body to be connected.
nullDescribed micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve，Described valve body is the valve body being provided with valve pocket，Described valve core case is the discoideus structure being provided with centre bore，Described spool is cylindrical shape structure，The described labyrinth body that streams is for by inner core、Middle cylinder、Urceolus plug-in mounting successively and this described inner core、Middle cylinder、The structure of manhole appendix it is provided with on urceolus，Described valve rod is round bar shape structure，Described valve gap is the trapezoidal cylindrical shape structure being provided with trapezoidal centre bore，Described filler is Glan filler，Described pressure ring is flange disk-like structure，Described pressure cap is the lid-like being provided with centre bore，Described balancing frame is the disc-shaped structure being provided with centre bore，Described spring is compression spring，Described spacing ring is the disc-shaped structure being provided with centre bore，Described fine setting is turned round as being provided with female thread and externally threaded nut type structure，Described top board is platy structure，Described being supported for founds platy structure.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, described valve rod is threaded onto in the centre bore of described valve gap successively, in the centre bore of described pressure ring, in the centre bore 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.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, described in stream in the body of labyrinth the most adjacent manhole appendix on cylinder, middle cylinder, urceolus and be on same vertical line and the most in the same horizontal line.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, the described labyrinth body that streams is by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, replaces with that to stream labyrinth body be by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus, again urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, again urceolus.
Operation principle of the present utility model and work process be: as shown in Figure of description, operation principle of the present utility model and work process are extremely simple clear, this utility model has given full play to the effect of " labyrinth body is streamed in setting " key technology, after high pressure (3.5-2.5MPa) fuel liquid enters valve body, spool is pushed up by the power acting on spool bottom surface, spool is made to leave valve core case upward sliding, the fuel liquid of high pressure is under the effect of " streaming labyrinth body " key technology, the space between inner core and middle cylinder is flowed into from the manhole appendix of " streaming labyrinth body " inner core, space between cylinder and urceolus during the most therefrom the manhole appendix of cylinder flows into, then the chamber of valve body is flowed into from the manhole appendix of urceolus, finally flow out from the chamber of valve body；In this process, enter valve body high pressure (3.5-2.5MPa) fuel liquid, 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 reduce to 0.6MPa-1.0MPa in current limliting and current stabilization state downforce；This process establishes the pressure difference that spool enters chamber and goes out chamber two ends fuel liquid, just serves the effect of the blood pressure lowering to fuel liquid, current limliting, current stabilization；Can pass through balancing frame (by spring self-regulated) for the accurate demand of valve outlet low oil pressure value, fine setting is turned round (manual fine-tuning) and is realized, reach stable, safe and reliable purpose, effectively solve the pressure regulation under " fuel liquid " low discharge state, a voltage stabilizing difficult problem.Design science of the present utility model is rationally, simple and ingenious structure, to be prone to cost of manufacture low, using effect is reliable and stable, volume is little, be easily installed use, maintenance workload is few, service life is long, solve deficiency, defect and drawback that existing known technology exists with present situation, effectively bring up to the technical merit of the industry.
Owing to have employed technical scheme provided by the utility model；Owing to this utility model takes " labyrinth body is streamed in setting " key technology；Described in operation principle of the present utility model and work process；Owing to its valve chamber bottom of this utility model is inlayed with valve core case, valve body upper end and valve gap, valve core case is fixed with streaming body bottom, labyrinth, valve gap bottom surface is pressed with streaming top, body upper end, labyrinth, in streaming labyrinth body, wall slides with spool, spool upper end and valve rod bottom, valve rod interlude upper position is fixed with balancing frame, the valve gap trapezoidal hole of valve rod interlude upper position puts filler, pressure ring, valve gap upper end is fixed with pressure cap, valve rod slides with spacing ring, the lower spring end being installed on valve rod is pressed with spacing ring top with balancing frame and upper end, female thread is turned round with fine setting in valve rod upper end, fine setting torsion external screw thread is threadeded with top board, top board and supporting welding, support and fix with valve body side.Make this utility model with existing known technology compared with present situation, it is thus achieved that to provide the benefit that:
1, this utility model takes " labyrinth body is streamed in setting " key technology, thus provides " micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve " new product.
2, this utility model takes " labyrinth body is streamed in setting " key technology, make full use of stable low discharge, low oil pressure operating mode and the use of adaptive small oil gun, make " few-oil ignition " or " tiny-oil ignition " to start at coal-fired power station boiler and low-load combustion-stabilizing plays energy-saving effect prominent, significant.
3, of the present utility model scientific and reasonable for structure and the most ingenious, convenient use and effect stability is reliable, easy to make the lowest with operation cost with use and cost of manufacture.
4, this utility model is under scientific structure, premise reasonable, simple, ingenious, has that volume is little, be easily installed use, maintenance workload is few, the beneficial effect of length in service life.
5, this utility model solves deficiency, defect and the drawback that existing known technology exists with present situation.
6, of the present utility model succeed in developing, effectively brought up to the technical merit of the industry, can wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the generalized section of this utility model detailed description of the invention.
Fig. 2 is the top cross-sectional view streaming labyrinth body in this utility model detailed description of the invention.It should be understood that stream the manhole appendix being respectively provided with on the inner core of labyrinth body, middle cylinder, urceolus the most in the same horizontal line, only to facilitate understand and be specially drawn on the same plane of same level line.
Label in figure: 1, valve body, 2, valve core case, 3, spool, 4, stream labyrinth body, 5, valve rod, 6, valve gap, 7, filler, 8, pressure ring, 9, pressure cap, 10, balancing frame, 11, spring, 12, spacing ring, 13, fine setting turn round, 14, top board, 15, support, Q, chamber.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described in detail.As shown in Figure of description:
A kind of micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, by valve body 1, valve core case 2, spool 3, streams labyrinth body 4, valve rod 5, valve gap 6, filler 7, pressure ring 8, pressure cap 9, balancing frame 10, spring 11, spacing ring 12, fine setting torsion 13, top board 14, supports 15 and constitute；
nullDescribed micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve，Its valve body 1 chamber bottom is inlayed with valve core case 2 and is connected，Its valve body 1 upper end and valve gap 6、Valve core case 2 is fixedly connected with streaming labyrinth body 4 bottom，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、Valve rod 5 interlude upper position is fixedly connected with balancing frame 10，Valve gap 6 trapezoidal hole of its valve rod 5 interlude upper position is sequentially placed filler 7、Pressure ring 8，The upper end of its valve gap 6 is fixing with pressure cap 9 to be connected，Its valve rod 5 slides up and down with spacing ring 12 to live and is connected，Spring 11 lower end that it is installed on valve rod 5 is all connected with spacing ring 12 with balancing frame 10 and spring 11 upper end in the way of the pressure of top，The female thread of 13 is turned round with fine setting in the upper end of its valve rod 5、The external screw thread of fine setting torsion 13 is all threadeded with top board 14，Its top board 14 and the upper end supporting 15 are welded to connect，It supports, and the lower end of 15 is fixing with the side of valve body 1 to be connected.
nullDescribed micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve，Described valve body 1 is the valve body being provided with valve pocket，Described valve core case 2 is the discoideus structure being provided with centre bore，Described spool 3 is cylindrical shape structure，The described labyrinth body 4 that streams is for by inner core、Middle cylinder、Urceolus plug-in mounting successively and this described inner core、Middle cylinder、The structure of manhole appendix it is provided with on urceolus，Described valve rod 5 is round bar shape structure，Described valve gap 6 is the trapezoidal cylindrical shape structure being provided with trapezoidal centre bore，Described filler 7 is Glan filler，Described pressure ring 8 is flange disk-like structure，Described pressure cap 9 is the lid-like being provided with centre bore，Described balancing frame 10 is the disc-shaped structure being provided with centre bore，Described spring 11 is compression spring，Described spacing ring 12 is the disc-shaped structure being provided with centre bore，Described fine setting turns round 13 for being provided with female thread and externally threaded nut type structure，Described top board 14 is platy structure，Described support 15 is vertical platy structure.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, described valve rod 5 is threaded onto in the centre bore of described valve gap 6 successively, in the centre bore of described pressure ring 8, in the centre bore of described pressure cap 9, described valve rod 5 is all connected sliding up and down in the way of work is connected with described valve gap 6, described pressure ring 8, described pressure cap 9 successively.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, the pressure of described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve is 0.6MPa-1.0MPa.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, described in stream the most adjacent manhole appendix on labyrinth body 4 inner core, middle cylinder, urceolus and be on same vertical line and the most in the same horizontal line.
Described micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, the described labyrinth body 4 that streams is by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, replaces with that to stream labyrinth body 4 be by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus, again urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, again urceolus.
The foregoing is only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction；The those of ordinary skill of all industry, all can shown in by specification accompanying drawing and the above and implement this utility model swimmingly；But make the equivalent variations of differentiation without departing from technical solutions of the utility model, be Equivalent embodiments of the present utility model, all still fall within the technical scheme of this utility model protection.
Claims (5)
1. a micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve, it is characterised in that: by valve body (1), valve core case (2), spool (3), stream labyrinth body (4), valve rod (5), valve gap (6), filler (7), pressure ring (8), pressure cap (9), balancing frame (10), spring (11), spacing ring (12), fine setting turn round (13), top board (14), support (15) constitute；
nullDescribed micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve，Its valve body (1) chamber bottom is inlayed with valve core case (2) and is connected，Its valve body (1) upper end and valve gap (6)、Valve core case (2) is fixedly connected with streaming labyrinth body (4) bottom，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、Valve rod (5) interlude upper position is fixedly connected with balancing frame (10)，Valve gap (6) trapezoidal hole of its valve rod (5) interlude upper position is sequentially placed filler (7)、Pressure ring (8)，The upper end of its valve gap (6) is fixing with pressure cap (9) to be connected，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 frame (10) and spring (11) upper end in the way of the pressure of top，The female thread of (13) is turned round with fine setting in the upper end of its valve rod (5)、The external screw thread of fine setting torsion (13) is all threadeded with top board (14)，Its top board (14) and the upper end supporting (15) are welded to connect，It supports, and the lower end of (15) is fixing with the side of valve body (1) to be connected.
nullMicrometeor labyrinth the most according to claim 1 flow around type voltage-regulation voltage-stabilization valve，It is characterized in that: described valve body (1) is the valve body being provided with valve pocket，Described valve core case (2) is the discoideus structure being provided with centre bore，Described spool (3) is cylindrical shape structure，The described labyrinth body (4) that streams is for by inner core、Middle cylinder、Urceolus plug-in mounting successively and this described inner core、Middle cylinder、The structure of manhole appendix it is provided with on urceolus，Described valve rod (5) is round bar shape structure，Described valve gap (6) is the trapezoidal cylindrical shape structure being provided with trapezoidal centre bore，Described filler (7) is Glan filler，Described pressure ring (8) is flange disk-like structure，Described pressure cap (9) is the lid-like being provided with centre bore，Described balancing frame (10) is the disc-shaped structure being provided with centre bore，Described spring (11) is compression spring，Described spacing ring (12) is the disc-shaped structure being provided with centre bore，Described fine setting turns round (13) for being provided with female thread and externally threaded nut type structure，Described top board (14) is platy structure，Described support (15) is vertical platy structure.
Micrometeor labyrinth the most according to claim 1 flow around type voltage-regulation voltage-stabilization valve, it is characterized in that: described valve rod (5) is threaded onto in the centre bore of described valve gap (6) successively, in the centre bore of described pressure ring (8), in the centre bore of described pressure cap (9), described valve rod (5) is all connected sliding up and down in the way of work is connected with described valve gap (6), described pressure ring (8), described pressure cap (9) successively.
Micrometeor labyrinth the most according to claim 2 flow around type voltage-regulation voltage-stabilization valve, it is characterised in that stream the most adjacent manhole appendix on labyrinth body (4) inner core, middle cylinder, urceolus described in: and be on same vertical line and the most in the same horizontal line.
Micrometeor labyrinth the most according to claim 2 flow around type voltage-regulation voltage-stabilization valve, it is characterized in that: described in stream labyrinth body (4) be by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, replace with and stream labyrinth body (4) for by the structure being provided with manhole appendix on inner core, middle cylinder, urceolus, again urceolus plug-in mounting successively and this described inner core, middle cylinder, urceolus, again urceolus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196695.XU CN205446838U (en) | 2016-03-15 | 2016-03-15 | Formula pressure regulating surge damping valve is streamed in micrometeor maze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196695.XU CN205446838U (en) | 2016-03-15 | 2016-03-15 | Formula pressure regulating surge damping valve is streamed in micrometeor maze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446838U true CN205446838U (en) | 2016-08-10 |
Family
ID=56602830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620196695.XU Expired - Fee Related CN205446838U (en) | 2016-03-15 | 2016-03-15 | Formula pressure regulating surge damping valve is streamed in micrometeor maze |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446838U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673902A (en) * | 2016-03-15 | 2016-06-15 | 湖南大唐节能科技有限公司 | Micro-flow labyrinth bypassing pressure adjusting and stabilizing valve |
| CN108980459A (en) * | 2018-08-24 | 2018-12-11 | 河南科技大学 | A kind of micro-fluidic chip detection microfluidic valve valve group |
| 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 |
| CN116123303A (en) * | 2023-04-14 | 2023-05-16 | 陕西航天泵阀科技集团有限公司 | Cage type regulating valve and flow regulating method |
-
2016
- 2016-03-15 CN CN201620196695.XU patent/CN205446838U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673902A (en) * | 2016-03-15 | 2016-06-15 | 湖南大唐节能科技有限公司 | Micro-flow labyrinth bypassing pressure adjusting and stabilizing valve |
| CN105673902B (en) * | 2016-03-15 | 2018-05-25 | 湖南大唐节能科技有限公司 | Micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve |
| CN108980459A (en) * | 2018-08-24 | 2018-12-11 | 河南科技大学 | A kind of micro-fluidic chip detection microfluidic valve valve group |
| CN108980459B (en) * | 2018-08-24 | 2020-02-18 | 河南科技大学 | Micro-fluidic valve group for micro-fluidic chip detection |
| 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 |
| CN109340450B (en) * | 2018-09-19 | 2020-05-19 | 南通国电电站阀门股份有限公司 | Valve core of reheating steam main flow control valve of nuclear power island core and machining process of valve core |
| CN116123303A (en) * | 2023-04-14 | 2023-05-16 | 陕西航天泵阀科技集团有限公司 | Cage type regulating valve and flow regulating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205446838U (en) | Formula pressure regulating surge damping valve is streamed in micrometeor maze | |
| CN103510906B (en) | A kind of adjustable variable-pressure difference constant current plug | |
| CN203516874U (en) | Constant-pressure valve | |
| CN105673902B (en) | Micrometeor labyrinth flow around type voltage-regulation voltage-stabilization valve | |
| CN205012581U (en) | Scalable home -use balcony guardrail | |
| CN205744218U (en) | A kind of filter cartridge construction of diesel filter | |
| CN203717511U (en) | Mass flow overflow structure for pump station overflow valve | |
| CN101649498B (en) | Oiling device | |
| CN208670099U (en) | A kind of novel adjustable throttle valve | |
| CN208783416U (en) | A kind of compensation drip emitter | |
| CN208546572U (en) | A kind of Fluorine-lined operated micropressure adjusting valve | |
| CN208793665U (en) | Axis joins formula acetylene gas bottle valve | |
| CN201501948U (en) | Oiling device | |
| CN202036849U (en) | Strap type large-cap filter head without dead zone | |
| CN206637194U (en) | The vertical type steaming steam-boiler supporting construction that a kind of tiltable is set | |
| CN205744248U (en) | A kind of adjustable automobile engine shift fork | |
| CN204553959U (en) | Filter pressure regulator valve | |
| CN203335383U (en) | Pressure regulating valve of high-pressure pump | |
| CN202349942U (en) | Rocker arm synchronous linking lamp | |
| CN110206932A (en) | A kind of proportioning valve | |
| CN108278376A (en) | A kind of easily controllable tubing valve | |
| CN209164618U (en) | EDI constant pressure and flow protective device | |
| CN208474943U (en) | Steel cylinder heat tracing device | |
| CN210122933U (en) | Engine thermostat for oil development | |
| CN210240572U (en) | Straight stroke regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20190315 |