CN109854753A - It is a kind of to equip the high parameter Heisui River angle valve with flow-disturbing and ash collection flow resistance - Google Patents
It is a kind of to equip the high parameter Heisui River angle valve with flow-disturbing and ash collection flow resistance Download PDFInfo
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- CN109854753A CN109854753A CN201811561575.5A CN201811561575A CN109854753A CN 109854753 A CN109854753 A CN 109854753A CN 201811561575 A CN201811561575 A CN 201811561575A CN 109854753 A CN109854753 A CN 109854753A
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- valve
- spool
- valve body
- push rod
- component
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Abstract
The present invention provides a kind of high parameter Heisui River angle valve equipped and have the function of flow-disturbing and ash collection flow resistance, including valve body component, valve component, core assembly is equipped in valve body component, valve body side opening has entrance cavity, there is outlet plenum at adapter tube, core assembly includes spool and push rod, push rod runs through in upper end cover and push rod lower end stretches out upper end cover lower end surface and is connected with spool, spool moves up and down under push rod effect along outlet cavity axis, valve seat core upper surface is arranged below spool and corresponding spool has through-hole, top surface is fixed in adapter tube to connect with valve component and the internal bush assembly with decompression runner, have in through-hole and through-hole inside bush assembly and is fixed with solid dielectric collector.The configuration of the present invention is simple is easy to overhaul and safeguard, and is easy to mention high control precision according to the power of application Operating condition adjustment throttling action, can effectively improve spool lower part back pressure, reduce the flow velocity of the throttle point of core assembly and valve component.
Description
Technical field
The present invention relates to the high-end control valve technical fields of coal chemical industry more particularly to a kind of equipment to have flow-disturbing and lime-ash
The high parameter Heisui River angle valve of collecting function flow resistance.
Background technique
Heisui River angle valve is accurately to be adjusted in the coal gasification workshop section of coal chemical industry to the pressure of Heisui River medium, flow
High-end control valve, the performance and reliability of Heisui River angle valve is to the safety and stability of entire coal gasification apparatus by great influence.
Since working media has the features such as impurity, corrosivity, temperature are high, adjusting pressure difference is big, and Heisui River angle valve is non-equilibrium
Formula valve core structure can generate strong vibration and flass at the angle valve spool of Heisui River under High Pressure Difference effect, Heisui River angle valve
Erosion and cavitation wear easily occur for trim, and life of valve is shorter.
Flow resistance is rationally designed, is to increase life of valve to reduce the flow velocity of the throttle point of core assembly and valve component
Effective means.Currently, Heisui River angle valve carries out flow resistance design, but existing multistage frequently with multiple step plug or multistage AND DEWATERING FOR ORIFICE STRUCTURE
Pressure reduction structure is complex, and manufacturing cost is high, and in working spool or multistage AND DEWATERING FOR ORIFICE STRUCTURE also vulnerable to erosive wear, throttling action
Weaken and even fails.
Summary of the invention
The technical problem to be solved by the present invention is the deficiency in order to overcome the prior art, the present invention provides one kind can be effective
Spool lower part back pressure is improved, the flow velocity of the throttle point of core assembly and valve component is reduced, has structure simple, is easy to overhaul
The features such as with maintenance, and it is easy to the power according to application Operating condition adjustment throttling action, a kind of equipment for mentioning high control precision has
The high parameter Heisui River angle valve of flow-disturbing and ash collection function flow resistance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of equipment has the function of flow-disturbing and ash collection
The high parameter Heisui River angle valve of flow resistance, including valve body component, the valve component being arranged under valve body component, valve body
Core assembly is equipped in component, the valve body component includes valve body, the upper end cover for being fixed on valve body upper end and is fixed on
The adapter tube of valve body lower end, the valve component include valve seat core, valve sleeve and the disc holder successively fixed from inside to outside,
The valve body lower end has opening, and disc holder is fixed in valve body lower end opening, and the valve body side opening has entrance cavity,
There is outlet plenum, the core assembly includes spool and push rod, and the push rod runs through in upper end cover and push rod at adapter tube
Lower end stretches out upper end cover lower end surface and is connected with spool, and the spool moves up and down under push rod effect along outlet cavity axis, described
Valve seat core upper surface is arranged below spool and corresponding spool has through-hole, is fixed with top surface and valve component in the adapter tube
Connect and internal with the bush assembly for depressurizing runner, the bush assembly inside, which has in through-hole and through-hole, is fixed with solid
Media collector, is equipped with tabulator bars in the solid dielectric collector, entrance cavity, valve seat core through-hole, bush assembly through-hole and goes out
Oral cavity constitutes the valve fluid channel passed through for Heisui River medium.
Bush assembly includes bushing fixing pipe, top bush and bottom bushing, above and below the top bush and bottom bushing
Coaxially connected and be fixed in bushing fixing pipe, bushing fixing pipe outer peripheral surface is fixed with nozzle inner wall, and the solid dielectric is collected
Device is fixed in top bush, and has decompression gap between top bush, is had between the top bush and bottom bushing
There is decompression through-hole, the decompression gap and decompression through-hole constitute decompression runner.
The push rod lower end is fixed with tool internal thread screw shell, the spool and screw shell screw threads for fastening.
Spool is screwed by screw shell is connected to push rod lower end, and spot welding connection can be used between screw shell and push rod.Spool group
Settable antirotation keys between part, especially push rod and upper end cover prevent core assembly from rotating relative to valve body, in drive belts
Under dynamic push rod effect, core assembly moves up and down along own axes.
There is screw thread, solid dielectric collector bottom matching thread is tightened in bottom bushing on the top bush
On.Solid dielectric collector is preferably ash collection device, has flow-disturbing and cinder collecting function, can be selected according to different operating conditions
Select the tabulator bars of assembly different number and size.
There is stuffing-box between the upper end cover and push rod, be successively filled with filler group from bottom to up in the stuffing-box
One, guide sleeve, support ring and filler group two then have packing press ring and top platen, the filler pressure in the filler group two
Ring and top platen compress filler in stuffing-box and fixing seal.Filler group one, guide sleeve, support ring and filler group two are constituted
Main seal pair at push rod.
Wound gasket is equipped between the valve component and lower section adapter tube and the connecting end surface of bush assembly.
In the present solution, at work, Heisui River medium is constituted after entrance cavity inflow valve body by spool and valve seat core
Throttleng surface completes level-one decompression;Later by having the solid dielectric collector of flow-disturbing and ash collection function to generate turbulent flow consumption
It dissipates, and is flowed out from the decompression gap between solid dielectric collector and top bush, complete second depressurized;Last Heisui River medium
From outlet plenum is flowed out in the through-hole of top bush and bottom bushing, three-level decompression is completed.Relative to traditional Heisui River angle valve, nothing
Multiple step plug need in addition be designed or multistage orifice plate carries out flow resistance design, pass through spool valve seat core, solid dielectric collector and lining
Component is covered, that is, can effectively reduce the flow velocity of the throttle point of core assembly and valve component, it can be according to Operating condition adjustment throttling action
Power, mention high control precision.
The invention has the advantages that a kind of equipment provided by the invention has the function of the height of flow-disturbing and ash collection flow resistance
The features such as parameter Heisui River angle valve has structure simple, is easy to overhaul and safeguard, and be easy to according to using Operating condition adjustment throttling action
Power, mention high control precision, can effectively improve spool lower part back pressure, reduce the throttle point of core assembly and valve component
Flow velocity.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of optimum embodiment of the present invention.
Fig. 2 is the structural schematic diagram of solid dielectric collector in optimum embodiment of the present invention.
Fig. 3 is the top view of solid dielectric collector in optimum embodiment of the present invention.
1, adapter tube 2, bushing fixing pipe 3, bottom bushing 4, top bush 5, solid dielectric collector 6, flow-disturbing in figure
Stick 7, valve body 8, valve seat core 9, valve sleeve 10, disc holder 11, spool 12, screw shell 13, push rod 14, upper end
Lid 15, packing press ring 16, top platen 17, outlet plenum 18, wound gasket 19, filler group 1, guide sleeve 21, support
Ring 22, filler group 2 23, entrance cavity.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
A kind of equipment as shown in Figure 1 to Figure 3 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance, is
Optimum embodiment of the present invention, including valve body component, the valve component valve body component being arranged under valve body component
It is interior to be equipped with 11 component of spool.
Valve body component includes valve body 7, the upper end cover 14 for being fixed on 7 upper end of valve body and is fixed on connecing for 7 lower end of valve body
Pipe 1.The valve component includes the valve seat core 8, valve sleeve 9 and disc holder 10 successively fixed from inside to outside.Valve seat core 8
With valve sleeve 9 using being interference fitted, the magnitude of interference for being suitble to duty requirements is selected according to relevant criterion, when assembly first heats valve seat
After sleeve 9 to assigned temperature, then valve seat core 8 is inserted into sleeve again, then upper and lower end face is machined out, and eliminates
Residual stress processing reduces assembly Form and position error, improves valve component to improve the prestressing force of hard alloy valve seat core 8
Mechanical performance.
11 component of spool includes spool 11 and push rod 13.There is stuffing-box, institute between upper end cover 14 and push rod 13
It states and is successively filled with filler group 1, guide sleeve 20, support ring 21 and filler group 2 22, the filler in stuffing-box from bottom to up
Then there is packing press ring 15 and top platen 16, the packing press ring 15 and top platen 16 are by filler in stuffing-box in group 2 22
Compress simultaneously fixing seal.Filler group 1, guide sleeve 20, support ring 21 and filler group 2 22 constitute main close at push rod 13
Envelope is secondary.
Push rod 13 runs through in upper end cover 14 and 13 lower end of push rod stretches out 14 lower end surface of upper end cover and is connected with spool 11.?
In actual design, 13 lower end of push rod is fixed with tool internal thread screw shell 12, the spool 11 and 12 screw thread of screw shell
Fastening.Spool 11 is screwed by screw shell 12 and is connected to 13 lower end of push rod, and can be used between screw shell 12 and push rod 13
Spot welding connection.Settable antirotation keys between 11 component of spool, especially push rod 13 and upper end cover 14 prevent 11 component of spool from phase
It is rotated to valve body 7, under the effect of driver drives push rod 13,11 component of spool moves up and down along own axes.
Spool 11 moves up and down under the effect of push rod 13 along 17 axis of outlet plenum, and 8 upper surface of valve seat core is arranged in valve
11 lower section of core simultaneously corresponds to spool 11 with through-hole.Top surface is fixed in adapter tube 1 to connect with valve component and internal there is decompression
The bush assembly of runner.Have in through-hole and through-hole inside the bush assembly and is fixed with solid dielectric collector 5, it is described solid
Tabulator bars 6 are equipped in body media collector 5.
Bush assembly includes bushing fixing pipe 2, top bush 4 and bottom bushing 3, the top bush 4 and bottom bushing 3
Coaxially connected and be fixed in bushing fixing pipe 2 up and down, 2 outer peripheral surface of bushing fixing pipe is fixed with 1 inner wall of adapter tube, solid Jie
Matter collector 5 is fixed in top bush 4.There is screw thread, 5 bottom of solid dielectric collector cooperates spiral shell on top bush 4
Line is tightened on bottom bushing 3.There is decompression gap, the top bush 4 between solid dielectric collector 5 and top bush 4
There is decompression through-hole between bottom bushing 3, the decompression gap and decompression through-hole constitute decompression runner.Valve component and lower section
Wound gasket 18 is equipped between adapter tube 1 and the connecting end surface of bush assembly.
Preferably, solid dielectric collector 5 is preferably ash collection device.Tabulator bars 6 and ash collection device use gap
Cooperation, when assembly, first smear lubricating grease in the mounting hole of ash collection device, are then gradually inserted into tabulator bars 6, then will assembly
Body is screwed at the installation position of top bush 4.Tabulator bars 6 are used to increase the turbulent dissipation of medium fluid, ash collection
Device generates solid deposit, the impact energy of absorbing medium for making the lower ash deposition of kinetic energy.
Specifically, the number and length of tabulator bars 6 can be selected according to concrete application operating condition, the number of tabulator bars 6 is got over
More, length is longer, and flow resistance effect is more obvious.The diameter and depth of ash collection device can be selected according to concrete application operating condition,
Diameter and depth should not select excessive, in order to avoid too small, too long with sleeve clearances, cause solid particle accumulation, cause valve blocking.
7 lower end of valve body has opening, and disc holder 10 is fixed in 7 lower ending opening of valve body, 7 side of the valve body opening tool
There is entrance cavity 23, there is outlet plenum 17 at adapter tube 1.Entrance cavity 23,17 structure of 8 through-hole of valve seat core, bush assembly through-hole and outlet plenum
At the valve fluid channel passed through for Heisui River medium.
At work, Heisui River medium is after the inflow valve body 7 of entrance cavity 23, by the throttling of spool 11 and the composition of valve seat core 8
Level-one decompression is completed in face;Later by having the solid dielectric collector 5 of flow-disturbing and ash collection function to generate turbulent dissipation,
And flowed out in the decompression gap between solid dielectric collector 5 and top bush 4, complete second depressurized;Last Heisui River medium
From outlet plenum 17 is flowed out in the through-hole of top bush 4 and bottom bushing 3, three-level decompression is completed.Relative to traditional Hei Shuijiao
Valve carries out flow resistance design without in addition design multiple step plug 11 or multistage orifice plate, passes through 11 valve seat core 8 of spool, solid dielectric
Collector 5 and bush assembly can effectively reduce the flow velocity of the throttle point of 11 component of spool and valve component, can be according to operating condition
The power for adjusting throttling action, mentions high control precision.
A kind of equipment being designed in this way has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance, 11 groups of spool
It is designed between part, valve component, top bush 4 and bottom bushing 3 using direct press type, 11 component of spool, valve component, top lining
Set 4 and bottom bushing 3, which compress, constitutes valve installation dimension chain, compact-sized, is easy to overhaul, replacement trim, has structure letter
It is single, the features such as being easy to overhaul and safeguard;The flow velocity for reducing the throttle point of 11 component of spool and valve component can be effectively reduced,
Multi-step pressure reduction is realized in valve, and is unlikely to deform, and 11 service life of spool can be extended;It, can basis when valve is designed and chosen
Different working condition requirements selects the tabulator bars 6 of different numbers and size, and different ash collection devices also may be selected, be applicable to not
Requirement with industrial production to regulation performance.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of equipment has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance, including valve body component, set
The valve component under valve body component is set, is equipped with core assembly, the valve body component packet in valve body component
Valve body is included, the upper end cover of valve body upper end is fixed on and is fixed on the adapter tube of valve body lower end, the valve component includes from introversion
Valve seat core, valve sleeve and the disc holder successively fixed outside, the valve body lower end have opening, and disc holder is fixed on valve body
In lower ending opening, the valve body side opening has entrance cavity, has outlet plenum at adapter tube, it is characterised in that: the spool
Component includes spool and push rod, and the push rod runs through in upper end cover and push rod lower end stretches out upper end cover lower end surface and is connected with valve
Core, the spool move up and down under push rod effect along own axes out, and valve seat core upper surface is arranged below spool simultaneously
Corresponding spool has through-hole, and top surface is fixed in the adapter tube and connects with valve component and internal has the bushing for depressurizing runner
Component, the bush assembly inside, which has, is fixed with solid dielectric collector in through-hole and through-hole, the solid dielectric is collected
Tabulator bars are equipped in device, entrance cavity, valve seat core through-hole, bush assembly through-hole and outlet plenum constitute the valve passed through for Heisui River medium
Fluid channel.
2. a kind of equipment as described in claim 1 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance,
Be characterized in that: the bush assembly includes bushing fixing pipe, top bush and bottom bushing, and the top bush and bottom serve as a contrast
It puts on down coaxially connected and is fixed in bushing fixing pipe, bushing fixing pipe outer peripheral surface is fixed with nozzle inner wall, and the solid is situated between
Matter collector is fixed in top bush, and has decompression gap, the top bush and bottom bushing between top bush
Between have decompression through-hole, the decompression gap and decompression through-hole constitute depressurize runner.
3. a kind of equipment as described in claim 1 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance,
Be characterized in that: the push rod lower end is fixed with tool internal thread screw shell, the spool and screw shell screw threads for fastening.
4. a kind of equipment as described in claim 1 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance,
It is characterized in that: there is screw thread on the top bush, solid dielectric collector bottom matching thread is tightened in bottom lining
It puts on.
5. a kind of equipment as described in claim 1 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance,
It is characterized in that: there is stuffing-box between the upper end cover and push rod, be successively filled with filler from bottom to up in the stuffing-box
One, guide sleeve, support ring and filler group two are organized, then there is packing press ring and top platen, the filler in the filler group two
Pressure ring and top platen compress filler in stuffing-box and fixing seal.
6. a kind of equipment as described in claim 1 has the function of the high parameter Heisui River angle valve of flow-disturbing and ash collection flow resistance,
It is characterized in that: being equipped with wound gasket between the valve component and lower section adapter tube and the connecting end surface of bush assembly.
Priority Applications (1)
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CN201811561575.5A CN109854753B (en) | 2018-12-20 | 2018-12-20 | High-parameter black water angle valve with flow resistance with flow disturbing and ash residue collecting functions |
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CN201811561575.5A CN109854753B (en) | 2018-12-20 | 2018-12-20 | High-parameter black water angle valve with flow resistance with flow disturbing and ash residue collecting functions |
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CN109854753A true CN109854753A (en) | 2019-06-07 |
CN109854753B CN109854753B (en) | 2020-08-28 |
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Citations (7)
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JPS59140967A (en) * | 1983-01-31 | 1984-08-13 | Yamatake Honeywell Co Ltd | Valve seat for single seat-type ball valve and manufacturing method thereof |
JPS59140973A (en) * | 1983-01-31 | 1984-08-13 | Yamatake Honeywell Co Ltd | Valve seat for control valve and manufacturing method thereof |
US20040007274A1 (en) * | 2001-01-08 | 2004-01-15 | Mcculloch Stephen | Choke restrictor devices and methods |
CN201651343U (en) * | 2010-05-07 | 2010-11-24 | 上海开维喜阀门集团有限公司 | Black water regulating valve |
CN102537464A (en) * | 2011-12-12 | 2012-07-04 | 航天长征化学工程股份有限公司 | Erosion-resistant slag-water high-pressure angle type regulating valve |
CN103016754A (en) * | 2012-12-28 | 2013-04-03 | 奥士奥控制阀门(上海)有限公司 | Pneumatic high pressure regulating valve |
CN104801420A (en) * | 2015-05-13 | 2015-07-29 | 东南大学 | Device and method for increasing grain size of PM2.5 (particulate matter2.5) through turbulent flow and chemical agglomeration coupling |
-
2018
- 2018-12-20 CN CN201811561575.5A patent/CN109854753B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59140967A (en) * | 1983-01-31 | 1984-08-13 | Yamatake Honeywell Co Ltd | Valve seat for single seat-type ball valve and manufacturing method thereof |
JPS59140973A (en) * | 1983-01-31 | 1984-08-13 | Yamatake Honeywell Co Ltd | Valve seat for control valve and manufacturing method thereof |
US20040007274A1 (en) * | 2001-01-08 | 2004-01-15 | Mcculloch Stephen | Choke restrictor devices and methods |
CN201651343U (en) * | 2010-05-07 | 2010-11-24 | 上海开维喜阀门集团有限公司 | Black water regulating valve |
CN102537464A (en) * | 2011-12-12 | 2012-07-04 | 航天长征化学工程股份有限公司 | Erosion-resistant slag-water high-pressure angle type regulating valve |
CN103016754A (en) * | 2012-12-28 | 2013-04-03 | 奥士奥控制阀门(上海)有限公司 | Pneumatic high pressure regulating valve |
CN104801420A (en) * | 2015-05-13 | 2015-07-29 | 东南大学 | Device and method for increasing grain size of PM2.5 (particulate matter2.5) through turbulent flow and chemical agglomeration coupling |
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