CN108869854A - A kind of lift split-body valve hatpin valve - Google Patents
A kind of lift split-body valve hatpin valve Download PDFInfo
- Publication number
- CN108869854A CN108869854A CN201810970664.9A CN201810970664A CN108869854A CN 108869854 A CN108869854 A CN 108869854A CN 201810970664 A CN201810970664 A CN 201810970664A CN 108869854 A CN108869854 A CN 108869854A
- Authority
- CN
- China
- Prior art keywords
- valve
- hatpin
- induction furnace
- valve body
- stainless steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of lift split-body valve hatpin valves, including valve body, the side of the valve body is provided with inlet opening, the other side is provided with fluid hole, valve seat and valve rod are provided in the valve body, the lower end of the valve rod is provided with the spool to match with valve seat, the part that the valve rod stretches out valve body is evenly arranged with latch, the latch is arranged along shaft length direction, the driving mechanism of actuatable valve bar lifting is provided on the valve body, the driving mechanism includes the driving motor being arranged on valve body and the gear with driving motor transmission connection, the gear is meshed with latch.The screw propulsion mode of valve rod in traditional needle-valve is changed to lift by the present invention, not only greatly improves the sensitivity of needle-valve, but also operation is more convenient, has saved manpower.
Description
Technical field
The present invention relates to valve technology fields, more particularly to a kind of lift split-body valve hatpin valve.
Background technique
Needle-valve is a kind of reset valve, and valve plug is aciculiform, is mainly used as adjusting throughput.Reset valve require valve port open by
Gradual change is big, and maximum continuously can be adjusted fine from closing to opening.Needle plug is able to achieve this function.Needle plug is general
The steel minute hand quenched with process, and the soft materials such as valve seat tin, copper are made.The sealing of needle and valve base chamber is by it
Conical surface tight fit reaches.The taper of needle has 1:50 and 60 two kinds of cone angles, poppet surface will pass through fine gtinding.
Valve rod is all that raising and lowering is realized using screw propulsion in existing needle-valve, when in use, when needing to close
Or when Open valve, need by manpower spinning in and out valve rod, valve rod lifting speed is slow, closes from valve is begun to shut off to completion
Longer the time required to valve, valve sensitivity is poor.In addition, biggish power is needed when precession or back-out valve rod, when valve rod gets rusty
It is become apparent when aging, therefore labor intensity of operating staff is larger.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of lift fission bonnet
Needle-valve.
In order to solve the above technical problems, technical scheme is as follows：
A kind of lift split-body valve hatpin valve, including valve body, the side of the valve body are provided with inlet opening, and the other side is provided with out
Fluid apertures is provided with valve seat and valve rod in the valve body, and the lower end of the valve rod is provided with the spool to match with valve seat, the valve
The part that bar stretches out valve body is evenly arranged with latch, and the latch is arranged along shaft length direction, and being provided on the valve body can
The driving mechanism of driving stem lifting, the driving mechanism include the driving motor being arranged on valve body and pass with driving motor
The gear of dynamic connection, the gear are meshed with latch.
Further, the two sides on valve body positioned at valve rod are provided with driving mechanism.
A kind of preceding lift split-body valve hatpin valve is provided with seal washer on spool.
A kind of preceding lift split-body valve hatpin valve, valve body are made of stainless steel material.
A kind of preceding lift split-body valve hatpin valve, each constituent and its mass percent of stainless steel material
For：C：0.02-0.03%, Nb：0.25-0.38, Cr：21-26%, Mn：0.52-1.14, Si：0.05-0.08；Mo：4.35-
5.45%, Ti：0.03-0.06%, surplus are Fe and inevitable impurity.
A kind of preceding lift split-body valve hatpin valve, each constituent and its mass percent of stainless steel material
For：C：0.02%, Nb：0.32%, Cr：23%, Mn：0.83%, Si：0.07%；Mo：4.8%, Ti：0.05%, surplus is Fe and can not
The impurity avoided.
A kind of preceding lift split-body valve hatpin valve, the preparation method of stainless steel material include the following steps：
S1：Fe is added into pressurization induction furnace, then pressurization induction furnace is evacuated, when vacuum degree is less than 20Pa, is opened
Beginning carries out heating smelting to Fe, until Fe melts；
S2：Cr, Nb, Mo, Ti are sequentially added into pressurization induction furnace, then raw material is smelted, until raw material is all molten
Melt, C and Mn is then added, continues to smelt 10-15min；
S3：Refining agent is added into pressurization induction furnace, then vacuum degree adjustment to less than 5pa are refined, refining time is
30-35min；
S4：It is passed through nitrogen into pressurization induction furnace, the temperature pressurizeed in induction furnace is adjusted to 1550-1600 DEG C, smelts 10-
15min；
S5：Deoxidier is added into pressurization induction furnace, the power of pressurization induction furnace is gradually reduced after smelting 3-5min, makes molten steel
Temperature be down to 1450-1500 DEG C, then pour into ingot mould, cool down, obtain billet；
S6：Billet is heat-treated, stainless steel material is obtained.
A kind of preceding lift split-body valve hatpin valve, heat treatment method is in S6：It first quenches, hardening heat is
1100-1200 DEG C, cool time 20-25min；After be tempered, tempering temperature be 800-850 DEG C, tempering time 35-40min；
Double tempering, tempering temperature are 650-750 DEG C, tempering time 25-30min.
The beneficial effects of the invention are as follows：
（1）The screw propulsion mode of valve rod in traditional needle-valve is changed to lift by the present invention, not only greatly improves needle-valve
Sensitivity, and operation is more convenient, has saved manpower；
（2）Latch is opened up in the present invention on valve rod, is rotated by rotating electric machine band moving gear, gear is engaged with latch, thus
Valve rod is driven, valve rod is gone up and down, does not need manually to push and pull valve rod, automation control is realized, can also protect
The position of card valve rod is fixed, to ensure that the sealing performance of needle-valve；
（3）The present invention is respectively provided with driving mechanism in valve rod two sides, avoids valve rod always in vertical direction, in lifting process
Unilateral stress and run-off the straight, to avoid the excessive service life for influencing valve rod and valve body of friction in valve rod and valve body；
（4）The present invention is provided with seal washer on spool, can not only spool be made to fit closely with valve seat, and can to spool and
Valve seat plays the role of buffering, avoids valve rod decrease speed too fast and spool and valve seat is caused effectively to be extended by greater impact
The service life of valve；
（5）Valve body uses stainless steel material in the present invention, can be effectively prevented from valve body and contact with water and get rusty rapidly for a long time
Phenomenon ensure that the service life of valve；The Cr of micro C and more amount are added in the raw material of stainless steel material, is smelting
After form two phase stainless steel, not only there is good plasticity and toughness, but also without brittleness at room temperature, good welding performance, in addition, chlorine-resistant
Compound stress corrosion performance significantly improves；
（6）Nb is added in the raw material of stainless steel material in the present invention, forms carbide NbC with the C in raw material, it is brilliant can to play refinement
The effect of grain, can also prevent Cr from reacting to form carbide and lead to grain boundary corrosion with C element, improve the intensity of stainless steel material
26-28%；Mn is added in the feed, corrosion resistance of the steel in organic acid can be improved, and Si is added, steel can be improved in nothing
Corrosion resistance in machine acid, so that the acid resistance of stainless steel material be made to greatly improve, the scope of application is wider；Ti is additionally added,
As carbide, stable carbide can be formed in smelting process, to prevent grain boundary corrosion.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Wherein：1, valve body；2, inlet opening；3, fluid hole；4, valve seat；5, valve rod；6, spool；7, latch；8, gear.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood
The present invention makes further details of explanation.
A kind of lift split-body valve hatpin valve is present embodiments provided, as shown in Figure 1, including valve body 1.On a left side for valve body 1
Side offers inlet opening 2, has fluid hole 3, inlet opening 2 and fluid hole 3 to pass through the sky in valve body 1 in the right side opening of valve body 1
Chamber realizes connection.
Valve seat 4 is provided in valve body 1, valve seat 4 is located in the cavity in valve body 1.Valve rod 5 is also equipped in valve body 1,
The lower end of valve rod 5 is fixedly installed with to match spool 6 with valve seat 4, when valve rod 5 drops to spool 6 and valve seat 4 fits closely,
Cavity in valve body 1 is closed, so that inlet opening 2 be made no longer to be connected to fluid hole 3.Wherein, gasket is installed on spool 6
Circle.
Valve body 1 is stretched out in the upper end of valve rod 5, is provided with latch 7 on the part of the stretching valve body 1 of valve rod 5, latch 7 is along valve rod 5
Length direction is uniformly arranged, and the left and right sides of valve rod 5 is provided with latch 7.It is located at the left and right sides of valve rod 5 on valve body 1
Driving motor is equipped with by support rod, driving motor is sequentially connected with gear 8, and the gear 8 of 5 left and right sides of valve rod is equal
It is meshed with the latch 7 on valve rod 5.
Specific works are described as follows：When valve will be closed by needing, two drivings electricity of 1 left and right sides of application valve body is only needed
Machine work, while controlling two gears 8 and rotating, wherein the gear 8 in left side rotates clockwise, and the gear 8 on right side is counterclockwise
Rotation declines 5 stress of valve rod, until the spool 6 and valve seat 4 of 5 lower end of valve rod are fitted close, the cavity in valve body 1 is closed,
It is connected to inlet opening 2 not with fluid hole 3, that is, realizes the closing of valve；When needing Open valve, it need to only make two driving electricity
Machine inverts simultaneously, rotates the gear 8 in left side counterclockwise, and the gear 8 on right side rotates clockwise, can rise with ovable valve stem 5,
Separate spool 6 with valve seat 4, inlet opening 2 is connected to fluid hole 3 by the cavity in valve body 1.
Valve body 1 is made of stainless steel material in the present embodiment.Each constituent and its quality percentage of the stainless steel material
Than for：C：0.02%, Nb：0.32%, Cr：23%, Mn：0.83%, Si：0.07%；Mo：4.8%, Ti：0.05%, surplus is for Fe and not
Evitable impurity.
The preparation method of above-mentioned stainless steel material includes the following steps：
S1：Fe is added into pressurization induction furnace, then pressurization induction furnace is evacuated, when vacuum degree is less than 20Pa, is opened
Beginning carries out heating smelting to Fe, until Fe melts；
S2：Cr, Nb, Mo, Ti are sequentially added into pressurization induction furnace, then raw material is smelted, until raw material is all molten
Melt, C and Mn is then added, continues to smelt 15min；
S3：Refining agent is added into pressurization induction furnace, then vacuum degree adjustment to less than 5pa are refined, refining time is
30min；
S4：It is passed through nitrogen into pressurization induction furnace, the temperature pressurizeed in induction furnace is adjusted to 1580 DEG C, smelts 13min；
S5：Deoxidier is added into pressurization induction furnace, the power of pressurization induction furnace is gradually reduced after smelting 4min, makes molten steel
Temperature is down to 1480 DEG C, then pours into ingot mould, and cooling obtains billet；
S6：Billet is heat-treated, billet is first heated to 1150 DEG C, after keeping the temperature 24min, by billet with appropriate speed in water
In or oil in it is cooling, billet is then heated to 830 DEG C, is cooled to room temperature after keeping the temperature 35min, then billet is heated to 700
DEG C, it is cooled to room temperature after keeping the temperature 28min, obtains stainless steel material.
Stainless steel material made from the present embodiment is measured through overtesting：
Tensile strength is 1426MPa, improves 19% compared with existing stainless steel material；
Yield strength is 957MPa, improves 16% compared with existing stainless steel material；
Hardness is 296HB, improves 22% compared with existing stainless steel material；
Elongation percentage is 15.3%, and contraction percentage of area 26-28% is above existing stainless steel material.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (8)
1. the side of a kind of lift split-body valve hatpin valve, including valve body (1), the valve body (1) is provided with inlet opening (2), separately
Side is provided with fluid hole (3), and valve seat (4) and valve rod (5), the lower end setting of the valve rod (5) are provided in the valve body (1)
There is the spool (6) to match with valve seat (4), it is characterised in that：The part that the valve rod (5) stretches out valve body (1) is evenly arranged with
Latch (7), the latch (7) are arranged along valve rod (5) length direction, and actuatable valve bar (5) lifting is provided on the valve body (1)
Driving mechanism, the driving mechanism include be arranged driving motor on valve body (1) and with driving motor transmission connection
Gear (8), the gear (8) are meshed with latch (7).
2. a kind of lift split-body valve hatpin valve according to claim 1, it is characterised in that：It is located on the valve body (1)
The two sides of valve rod (5) are provided with driving mechanism.
3. a kind of lift split-body valve hatpin valve according to claim 1, it is characterised in that：It is arranged on the spool (6)
There is seal washer.
4. a kind of lift split-body valve hatpin valve according to claim 1, it is characterised in that：The valve body (1) is by stainless
Steel material is made.
5. a kind of lift split-body valve hatpin valve according to claim 4, it is characterised in that：The stainless steel material it is each
Constituent and its mass percent are：C：0.02-0.03%, Nb：0.25-0.38%, Cr：21-26%, Mn：0.52-1.14%,
Si：0.05-0.08%；Mo：4.35-5.45%, Ti：0.03-0.06%, surplus are Fe and inevitable impurity.
6. a kind of lift split-body valve hatpin valve according to claim 5, it is characterised in that：The stainless steel material it is each
Constituent and its mass percent are：C：0.02%, Nb：0.32%, Cr：23%, Mn：0.83%, Si：0.07%；Mo：4.8%,
Ti：0.05%, surplus is Fe and inevitable impurity.
7. a kind of lift split-body valve hatpin valve according to claim 5, it is characterised in that：The system of the stainless steel material
Preparation Method includes the following steps：
S1：Fe is added into pressurization induction furnace, then pressurization induction furnace is evacuated, when vacuum degree is less than 20Pa, is opened
Beginning carries out heating smelting to Fe, until Fe melts；
S2：Cr, Nb, Mo, Ti are sequentially added into pressurization induction furnace, then raw material is smelted, until raw material is all molten
Melt, C and Mn is then added, continues to smelt 10-15min；
S3：Refining agent is added into pressurization induction furnace, then vacuum degree adjustment to less than 5pa are refined, refining time is
30-35min；
S4：It is passed through nitrogen into pressurization induction furnace, the temperature pressurizeed in induction furnace is adjusted to 1550-1600 DEG C, smelts 10-
15min；
S5：Deoxidier is added into pressurization induction furnace, the power of pressurization induction furnace is gradually reduced after smelting 3-5min, makes molten steel
Temperature be down to 1450-1500 DEG C, then pour into ingot mould, cool down, obtain billet；
S6：Billet is heat-treated, stainless steel material is obtained.
8. a kind of lift split-body valve hatpin valve according to claim 7, it is characterised in that：Heat treatment method in the S6
For：It first quenches, hardening heat is 1100-1200 DEG C, cool time 20-25min；After be tempered, tempering temperature 800-850
DEG C, tempering time 35-40min；Double tempering, tempering temperature are 650-750 DEG C, tempering time 25-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970664.9A CN108869854A (en) | 2018-08-24 | 2018-08-24 | A kind of lift split-body valve hatpin valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970664.9A CN108869854A (en) | 2018-08-24 | 2018-08-24 | A kind of lift split-body valve hatpin valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869854A true CN108869854A (en) | 2018-11-23 |
Family
ID=64321774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970664.9A Pending CN108869854A (en) | 2018-08-24 | 2018-08-24 | A kind of lift split-body valve hatpin valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869854A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591350Y (en) * | 2002-12-06 | 2003-12-10 | 王金海 | Fast opening & closing sluice valve |
| CN101205977A (en) * | 2007-11-27 | 2008-06-25 | 金进星 | Double sealing high pressure needle valve |
| CN207261755U (en) * | 2017-08-16 | 2018-04-20 | 宁波艾迪西国际贸易有限公司 | A kind of shutoff valve |
| CN207514252U (en) * | 2017-11-02 | 2018-06-19 | 重庆南坪自动化仪表厂有限公司 | It is a kind of can manual actuation multi-sealed single-seat adjusting valve |
-
2018
- 2018-08-24 CN CN201810970664.9A patent/CN108869854A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591350Y (en) * | 2002-12-06 | 2003-12-10 | 王金海 | Fast opening & closing sluice valve |
| CN101205977A (en) * | 2007-11-27 | 2008-06-25 | 金进星 | Double sealing high pressure needle valve |
| CN207261755U (en) * | 2017-08-16 | 2018-04-20 | 宁波艾迪西国际贸易有限公司 | A kind of shutoff valve |
| CN207514252U (en) * | 2017-11-02 | 2018-06-19 | 重庆南坪自动化仪表厂有限公司 | It is a kind of can manual actuation multi-sealed single-seat adjusting valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |