CN106678384A - Alkali-resistance fast opening and closing gate valve plate - Google Patents

Alkali-resistance fast opening and closing gate valve plate Download PDF

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Publication number
CN106678384A
CN106678384A CN201611182196.6A CN201611182196A CN106678384A CN 106678384 A CN106678384 A CN 106678384A CN 201611182196 A CN201611182196 A CN 201611182196A CN 106678384 A CN106678384 A CN 106678384A
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CN
China
Prior art keywords
parts
equal
flashboard
forging
smaller
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.)
Pending
Application number
CN201611182196.6A
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Chinese (zh)
Inventor
吴寿涛
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Tongling Jingwei Fluid Technology Co Ltd
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Tongling Jingwei Fluid Technology Co Ltd
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Priority to CN201611182196.6A priority Critical patent/CN106678384A/en
Publication of CN106678384A publication Critical patent/CN106678384A/en
Pending legal-status Critical Current

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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
    • 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
    • F16K3/02—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 flat sealing faces; Packings therefor
    • F16K3/0263—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 flat sealing faces; Packings therefor using particular material or covering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D193/00—Coating compositions based on natural resins; Coating compositions based on derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/36—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Sliding Valves (AREA)

Abstract

The invention discloses an alkali-resistance fast opening and closing gate valve plate. The alkali-resistance fast opening and closing gate valve plate includes the following step that a prefabricated gate plate blank is prepared, and the prefabricated gate plate blank includes the following alloy elements including, by weight, larger than or equal to 1.85% and smaller than or equal to 1.95% of C, larger than or equal to 1.15 and smaller than or equal to 1.35% of Si, larger than or equal to 0.45% and smaller than or equal to 0.75% of Mn, larger than or equal to 0.005% and smaller than or equal to 0.007% of P, larger than or equal to 0.003% and smaller than or equal to 0.006% of S, larger than or equal to 2.45% and smaller than or equal to 2.65% of Cr, larger than or equal to 0.3% and smaller than or equal to 0.5% of Mo, larger than or equal to 0.2% and smaller than or equal to 0.4% of Ti, larger than or equal to 0.1% and smaller than or equal to 0.14% of Nb, larger than or equal to 0.12% and smaller than or equal to 0.14% of Bi and the balance Fe and inevitable impurities. The gate plate is good in alkali resistance, long in service life, safe, reliable and suitable for large-batch production of various types of opening and closing valves.

Description

A kind of alkali resistance fast opening and closing gate valve valve plate
Technical field
The present invention relates to valve preparation field, particularly belongs to a kind of alkali resistance fast opening and closing gate valve valve plate.
Background technology
Town gas fast opening and closing gate valve, the gas processed and town gas for being mainly used in the industries such as coal gas, metallurgy, coking are defeated In pipe network.For the large batch of production of flashboard, big with labor intensity of operating staff, product quality is entirely with manual control, work Intensive processes, when alkaline solution is conveyed, corrosion phenomenon is very serious.
The content of the invention
It is an object of the invention to provide a kind of alkali resistance fast opening and closing gate valve valve plate, the alkali resistance of flashboard is good, service life It is long, it is safe and reliable, it is adaptable to which that the keying valve of various models is produced in enormous quantities.
Technical scheme is as follows：
A kind of alkali resistance fast opening and closing gate valve valve plate, with following steps：
a）Prepare the prefabricated flashboard blank with following alloying element percentage by weight：1.85%≤C≤1.95%, 1.15≤Si≤ 1.35%, 0.45%≤Mn≤0.75%, 0.005≤P≤0.007%, 0.003≤S≤0.006%, 2.45%≤Cr≤2.65%, 0.3%≤Mo≤0.5%, 0.2≤Ti≤0.4%, 0.1≤Nb≤0.14%, 0.12%≤Bi≤0.14% and can not be kept away balance of Fe The impurity exempted from；
b）, prefabricated flashboard blank is heated to into 1250-1300 DEG C of temperature by electrical induction mode, subsequently into cross wedge rolling machine The shaping of precut blanks is inside completed, this work step completes the shaping of flashboard, during forging, first prefabricated flashboard made by cross wedge rolling is put into Lower cavity die, then upper and lower die matched moulds, and apply the pressing mold of 1000-1200N pressure and force the tight pre- check of tight upper and lower die clamp Plate realizes accurate, the stable position of blank, and flashboard forging is obtained；
c）Flashboard forging after forging forming is heated to 800-850 DEG C and is incubated 1-1.2h, and water-cooled is to room temperature；Again flashboard is forged Part is heated to 420-480 DEG C, is incubated 1-1.5 hours, and then spray cooling is processed；
d）Spray treatment, toasts 2-2.2h through Burdick lamp after spraying, and coating is composed of the following raw materials by weight：Rest in peace resin 15-20 parts, nanometer order quartz powder 3-5 parts, polyvinyl butyral resin 2-4 parts, bentonite 1.5-3 parts, ferrum oxide 0.5-1.5 parts, Vinyl unsaturated carboxylic acid 1.5-3.5 parts, floating type aluminium powder serosity 8-12 parts, coalescents 2-3 parts, water reducer 1-2 parts, suppression alkali Agent 1.5-2.5 parts, water 36-42 parts.
Flashboard forging after the forging forming is heated to 825 DEG C and is incubated 1.1h, and water-cooled is to room temperature；Again by flashboard forging 450 DEG C are heated to, 1.2 hours are incubated, then spray cooling is processed.
The alkali resistance of flashboard of the present invention is good, and long service life is safe and reliable, it is adaptable to the keying valve high-volume of various models Production.
Specific embodiment
A kind of alkali resistance fast opening and closing gate valve valve plate, with following steps：
a）Prepare the prefabricated flashboard blank with following alloying element percentage by weight：1.85%≤C≤1.95%, 1.15≤Si≤ 1.35%, 0.45%≤Mn≤0.75%, 0.005≤P≤0.007%, 0.003≤S≤0.006%, 2.45%≤Cr≤2.65%, 0.3%≤Mo≤0.5%, 0.2≤Ti≤0.4%, 0.1≤Nb≤0.14%, 0.12%≤Bi≤0.14% and can not be kept away balance of Fe The impurity exempted from；
b）, prefabricated flashboard blank is heated to into 1250-1300 DEG C of temperature by electrical induction mode, subsequently into cross wedge rolling machine The shaping of precut blanks is inside completed, this work step completes the shaping of flashboard, during forging, first prefabricated flashboard made by cross wedge rolling is put into Lower cavity die, then upper and lower die matched moulds, and apply the pressing mold of 1000-1200N pressure and force the tight pre- check of tight upper and lower die clamp Plate realizes accurate, the stable position of blank, and flashboard forging is obtained；
c）Flashboard forging after forging forming is heated to 825 DEG C and is incubated 1.1h, and water-cooled is to room temperature；Again flashboard forging is heated to 450 DEG C, 1.2 hours are incubated, then spray cooling is processed；
d）Spray treatment, toasts 2-2.2h through Burdick lamp after spraying, and coating is composed of the following raw materials by weight：Rest in peace resin 15-20 parts, nanometer order quartz powder 3-5 parts, polyvinyl butyral resin 2-4 parts, bentonite 1.5-3 parts, ferrum oxide 0.5-1.5 parts, Vinyl unsaturated carboxylic acid 1.5-3.5 parts, floating type aluminium powder serosity 8-12 parts, coalescents 2-3 parts, water reducer 1-2 parts, suppression alkali Agent 1.5-2.5 parts, water 36-42 parts.
The present invention opens and closes the mechanical property of valve valve plate：Tensile strength Rm >=800Mpa, yield strength Re >=640Mpa, elongation Rate A >=12%, mechanical property Z >=30%.Soak 30-40 days in high concentration basic solution, the corrosion-free phenomenon of valve plate outer wall.

Claims (2)

1. a kind of alkali resistance fast opening and closing gate valve valve plate, it is characterised in that with following steps：
a）Prepare the prefabricated flashboard blank with following alloying element percentage by weight：1.85%≤C≤1.95%, 1.15≤Si≤ 1.35%, 0.45%≤Mn≤0.75%, 0.005≤P≤0.007%, 0.003≤S≤0.006%, 2.45%≤Cr≤2.65%, 0.3%≤Mo≤0.5%, 0.2≤Ti≤0.4%, 0.1≤Nb≤0.14%, 0.12%≤Bi≤0.14% and can not be kept away balance of Fe The impurity exempted from；
b）, prefabricated flashboard blank is heated to into 1250-1300 DEG C of temperature by electrical induction mode, subsequently into cross wedge rolling machine The shaping of precut blanks is inside completed, this work step completes the shaping of flashboard, during forging, first prefabricated flashboard made by cross wedge rolling is put into Lower cavity die, then upper and lower die matched moulds, and apply the pressing mold of 1000-1200N pressure and force the tight pre- check of tight upper and lower die clamp Plate realizes accurate, the stable position of blank, and flashboard forging is obtained；
c）Flashboard forging after forging forming is heated to 800-850 DEG C and is incubated 1-1.2h, and water-cooled is to room temperature；Again flashboard is forged Part is heated to 420-480 DEG C, is incubated 1-1.5 hours, and then spray cooling is processed；
d）Spray treatment, toasts 2-2.2h through Burdick lamp after spraying, and coating is composed of the following raw materials by weight：Rest in peace resin 15-20 parts, nanometer order quartz powder 3-5 parts, polyvinyl butyral resin 2-4 parts, bentonite 1.5-3 parts, ferrum oxide 0.5-1.5 parts, Vinyl unsaturated carboxylic acid 1.5-3.5 parts, floating type aluminium powder serosity 8-12 parts, coalescents 2-3 parts, water reducer 1-2 parts, suppression alkali Agent 1.5-2.5 parts, water 36-42 parts.
2. alkali resistance fast opening and closing gate valve valve plate according to claim 1, it is characterised in that the flashboard after the forging forming Forging is heated to 825 DEG C and is incubated 1.1h, and water-cooled is to room temperature；Flashboard forging is heated to into 450 DEG C again, 1.2 hours is incubated, then Spray cooling process.
CN201611182196.6A 2016-12-20 2016-12-20 Alkali-resistance fast opening and closing gate valve plate Pending CN106678384A (en)

Priority Applications (1)

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CN201611182196.6A CN106678384A (en) 2016-12-20 2016-12-20 Alkali-resistance fast opening and closing gate valve plate

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Application Number Priority Date Filing Date Title
CN201611182196.6A CN106678384A (en) 2016-12-20 2016-12-20 Alkali-resistance fast opening and closing gate valve plate

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1098391A (en) * 1994-01-28 1995-02-08 咸阳国强实业公司 Strong water-proof compound insulating material
CN102886643A (en) * 2012-09-11 2013-01-23 昌利锻造有限公司 Method for manufacturing sliding fork for automobile
CN105482632A (en) * 2015-12-23 2016-04-13 铜陵市肆得科技有限责任公司 Powder coating with good heat conduction for pump valve
CN105505130A (en) * 2015-12-23 2016-04-20 铜陵市经纬流体科技有限公司 Corrosion-resistant abrasion-resistant mortar pump powder coating and preparation method thereof
CN105713428A (en) * 2016-03-24 2016-06-29 安徽鹏峰新型建材科技有限公司 Wear-resistant, flame-retardant and antirust paint
CN105885551A (en) * 2016-05-16 2016-08-24 李军 Cable fire-resistant paint and preparation method thereof
CN106065287A (en) * 2016-07-12 2016-11-02 天长市银狐漆业有限公司 A kind of weather-proof chlorinated rubber shell paint

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1098391A (en) * 1994-01-28 1995-02-08 咸阳国强实业公司 Strong water-proof compound insulating material
CN102886643A (en) * 2012-09-11 2013-01-23 昌利锻造有限公司 Method for manufacturing sliding fork for automobile
CN105482632A (en) * 2015-12-23 2016-04-13 铜陵市肆得科技有限责任公司 Powder coating with good heat conduction for pump valve
CN105505130A (en) * 2015-12-23 2016-04-20 铜陵市经纬流体科技有限公司 Corrosion-resistant abrasion-resistant mortar pump powder coating and preparation method thereof
CN105713428A (en) * 2016-03-24 2016-06-29 安徽鹏峰新型建材科技有限公司 Wear-resistant, flame-retardant and antirust paint
CN105885551A (en) * 2016-05-16 2016-08-24 李军 Cable fire-resistant paint and preparation method thereof
CN106065287A (en) * 2016-07-12 2016-11-02 天长市银狐漆业有限公司 A kind of weather-proof chlorinated rubber shell paint

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