CN204717035U - With the eccentric ball valve of lining - Google Patents
With the eccentric ball valve of lining Download PDFInfo
- Publication number
- CN204717035U CN204717035U CN201520248619.4U CN201520248619U CN204717035U CN 204717035 U CN204717035 U CN 204717035U CN 201520248619 U CN201520248619 U CN 201520248619U CN 204717035 U CN204717035 U CN 204717035U
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- valve
- spool
- valve body
- valve shaft
- gland
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- 210000004907 gland Anatomy 0.000 claims abstract description 50
- 239000000945 filler Substances 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 230000037237 body shape Effects 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 238000005524 ceramic coating Methods 0.000 description 8
- 238000002161 passivation Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 6
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 description 4
- -1 amino trimethylene phosphonic acids Chemical class 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000005253 cladding Methods 0.000 description 4
- 238000005495 investment casting Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011214 refractory ceramic Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000009923 sugaring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 3
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
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- 239000013028 medium composition Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of eccentric ball valve with lining, comprise valve body, valve shaft and spool, it is characterized in that: described valve inner is provided with lining, the side of valve body is provided with influent stream mouth and goes out head piece, end face and the bottom surface of valve body are respectively equipped with mounting hole, large gland is arranged in mounting hole, and described spool is supported and fixed in valve body by large gland, and valve shaft is made up of upper valve shaft and lower valve shaft; Upper valve shaft and lower valve shaft are each passed through and are arranged on valve body end face and are connected with spool with after the large gland of bottom surface, be provided with Packing seat, filler and bearing housing between large gland and valve shaft, the bearing housing that Packing seat, filler and support valve shaft rotate is pressed in large gland by Gland.Ball valve of the present utility model has and arranges ingenious, and cost of production is low, easy for installation, good airproof performance, can adapt to the features such as various media.
Description
Technical field
The utility model relates to a kind of valve, specifically a kind of eccentric ball valve being used in the more severe band lining of environment.
Technical background
At present, work the ball valve kind of blocking medium in the duct a lot, eccentric half-ball valve is exactly one wherein, it is applicable to the media such as liquid, gas or slagging-off in the control of conveyance conduit and conveying, Main Function is in pipeline, cut off, distribute and change medium flowing velocity and direction, the closure member of eccentric half-ball valve is a hemisphere, spheroid is done around valve body center line to rotate the object reaching and open or close, it is widely used in iron and steel, water power, sugaring, paper industry, municipal water supply, sewage treatment etc. occasion, and effect is also fine.So have human hair to understand some eccentric half-ball valves, open source literature has also reported some, such as:
1, Chinese patent: energy-saving eccentric semi-ball valve, application number: CN201010295588.X, the applying date: 2010.09.29, publication number: CN101943273A, publication date: 2011.01.12, claimant: Tu is practised just, address: 24 No. 7, Metallurgy, Qingshan District, Wuhan City, Hubei Province 31 street, inventor: Tu is practised just, summary: this invention relates to ball valve, particularly a kind of energy-saving eccentric semi-ball valve, comprise valve body, eccentric valve shaft is configured with in valve body, eccentric valve shaft is provided with sealing spherical crown, its difference is: also comprise one with sealing spherical crown phase configuration adjustable valve seat, described valve seat is arranged on the inside sidewalls in valve body media outlet port, on the sidewall in described valve body media outlet port, the circumferential location corresponding to valve seat is provided with two groups of screws, wherein one group of screw is threaded with the screw on the end face of valve seat through body wall through hole, after another group screw passes body wall screw, its screw front end is for pushing up pressure valve seat end face, two groups of screws are distributed in distance at circumferential position, two groups of screws cooperatively interact thus regulate and the position of fixed valve base, make to form reliable sealing pair between valve seat and sealing spherical crown.This invention once can complete assembling, and debugging is convenient, also increases the medium circulation area of valve in addition significantly, and reduce the pressure loss of medium circulation valve, energy-saving effect is obvious.
2, Chinese patent: eccentric half-ball valve, application number: CN201010167843.2, the applying date: 2010.04.30, publication number: CN101832402A, publication date: 2010.09.15, inventor: Xu Guorong, summary: a kind of eccentric half-ball valve of this disclosure of the invention, include valve body and hemisphere spool, the side of described valve body is provided with influent stream mouth, go out head piece, top and the bottom of described valve body are respectively equipped with bearing support, the bearing support internal fixtion of described body top is provided with Upper shaft sleeve, semiaxis is rotatablely equipped with in Upper shaft sleeve, the bearing support internal fixtion of described body base is provided with lower semiaxis, one end of lower semiaxis is stretched in valve body, and external part is rotatablely equipped with Lower shaft sleeve, on described, to be sealed and matched between semiaxis and bearing support down, and upper semiaxis, the corresponding end of Lower shaft sleeve is installed with hemisphere spool respectively, hemisphere spool is positioned at valve body influent stream mouth, go out on the runner between head piece, and be sealed and matched with valve flowing channel side.
3, Chinese patent: bi-directional hard sealed eccentric, application number: CN200920087802.5, the applying date: 2009.08.04, publication number: CN201547301U, publication date: 2010.08.11, claimant: Wuhan Dayu Valve Manufacturing Co., Ltd., address: Zhuankou Wuhan Economic-Tech Development Zone, Wuhan City, Hubei Province Dun Yang sci-tech industrial park Wuhan Dayu Valve Manufacturing Co., Ltd., inventor: Li Xihong; Liang Bihua, summary: this model utility discloses a kind of bi-directional hard sealed eccentric, and it comprises valve body, valve body connects eccentric valve shaft, eccentric valve shaft connects sealing spherical crown, it is characterized in that the runner that valve body media exports connects reverse floating seal valve seat.This model utility pipeline construction and easy to maintenance, effectively prevent medium back flow, investment reduction, particularly at such as looped network, underground pipe network, have tool in the systems such as the pipeline of reverse head to have an enormous advantage and very high economic benefit.This valve can be applicable to ground and underground (direct-burried) pipeline, flexible operation, and sealing is reliable, long service life.The all component of this valve are not all containing producing the composition polluted to medium, overlength uses not corrosion, is applicable to direct drinking pipeline.Its structure is simple, easy for installation.
4, Chinese patent: eccentric half-ball valve, application number: 201210555363.2, the applying date: 2012.12.19, claimant: Wuhan great Yu valve limited company, address: 430056 Dun Yang sci-tech industrial parks, Wuhan Economic-Tech Development Zone, Wuhan City, Hubei Province, inventor: Li Xihong, Yi Kaowen, summary: a kind of eccentric half-ball valve of this disclosure of the invention, it comprises valve body, the valve seat and spherical crown that cooperatively interact is provided with in valve body, trim ring is provided with between described valve seat and valve body axis, trim ring is arranged between valve seat and valve body axis by screw and cooperatively interacting of elastic washer, trim ring, axial clearance is there is between valve seat and valve body, the radial seal cylndrical surface of valve body or valve seat at least offers a ring recess, seal ring is set with in ring recess, trim ring is also provided with multiple Cock screw vertically, and the top end face of Cock screw withstands on the end face of valve body.This invention, compared with original structure, does not almost have anything to change, and not needing increases large expense, just can solve the problem in background technique, and can reduce the technical requirements to assembly crewman, and shorten assembly period, manufacturing efficiency significantly promotes, maintenance more convenient and quicker.
But through the long-term practice of the utility model people, as being used in the more severe sewage treatment of environment when ball valve, sugaring, petrochemical industry, chemical industry, papermaking, the industries such as food, especially when refining sugar, one is because their medium composition is more complicated, its shape of medium is particle sometimes, sometimes be liquid, and have very strong corrosivity, two is that temperature High variation scope is large, these all propose very high request to the material of valve body flap, and the valve body that existing valve adopts is all by carbon steel, alloy, copper, pure titanium, titanium alloy, and stainless steel one-step casting forms, cost of material is very high, and in fact only just need special material with medium contact position, waste of material is very serious, valve is caused to hold at high price, how to reduce the cost of valve, and enable valve Applicable media needs, also a difficult problem is just become.
Summary of the invention
The purpose of this utility model is for prior art Problems existing, and provide one to arrange ingenious, cost is low, easy for installation, good airproof performance, the eccentric ball valve of the specific alloy lining of wide adaptability.
To achieve these goals, the technical solution adopted in the utility model is:
The eccentric ball valve of band lining of the present utility model, comprise valve body, valve shaft and spool, it is characterized in that: described valve inner is provided with the lining adopting specific alloy to make, the side of valve body is provided with influent stream mouth and goes out head piece, end face and the bottom surface of valve body are respectively equipped with mounting hole, large gland is arranged in mounting hole, and described spool is supported and fixed in valve body by large gland, and valve shaft is made up of upper valve shaft and lower valve shaft; Upper valve shaft and lower valve shaft are each passed through and are arranged on valve body end face and are connected with spool with after the large gland of bottom surface, be provided with Packing seat, filler and bearing housing between large gland and valve shaft, the bearing housing that Packing seat, filler and support valve shaft rotate is pressed in large gland by Gland.
Also can be provided with spool axle sleeve between described spool and large gland, described spool adopts the spool of left spool and right spool double eccentric half ball body shape or the spool of single eccentric semi-spherical body shape.
Described filler is fluorine rubber.
Between described valve body and large gland, gland ring is installed.
The influent stream mouth of described valve body and/or go out head piece and be provided with valve seat by platen.
The described large gland being arranged on valve body end face is provided with upper bracket.
Described upper bracket is provided with the turbine box controlling upper valve shaft and rotate.
Described lower valve shaft connects the lower support frame with bottom by axle sleeve, and lower support frame is fixed on the large gland of valve body bottom surface.
The preparation method of described valve body comprises the following steps:
(1), adopt investment casting method to use alloy material precision casting lining, described alloy material is stainless steel, titanium alloy, Cuprum alloy, ferromanganese.
(2), after lining casting, passivation is carried out to lining.
(3), lining is carried out passivation after, outside be coated with last layer ceramic coating at it, the thickness of ceramic coating is 0.1-3mm.
(4), 250-350 DEG C is heated to by coating the lining after ceramic coating.
(5), using the lining after above-mentioned process put into the ready-made husky mould of water glass as pre-buried, Quick pouring cladding material, cladding material adopts carbon steel or spheroidal graphite cast iron.
(6), rapidly lining is cooled after casting complete, after being cooled to 300-400 DEG C, then allow it naturally cool.
(7) after, naturally cooling to normal temperature, entirety is polished, qualitative, sand blast.
(8), after above-mentioned process, passivation is carried out to lining inner chamber.
(9), finally valve body can be obtained by size requirement processing.
Described passivation is with the amino trimethylene phosphonic acids of ATMP() solution carries out dipping treatment, the time 10-30 minute of immersion, the amino trimethylene phosphonic acids of temperature 30-50 DEG C, ATMP() concentration of solution is 0.8-1.2M, pH value is 0.5-2.
Described ceramic coating adopts refractory ceramics coating, and it is made up of following material component:
White clay 44 ~ 48 parts;
Modified epoxy 20-50 part;
Quartz flour 10-30 part;
7 ~ 8 parts, acetone;
Aluminium dihydrogen phosphate 6 ~ 7 parts;
Polyurethane powder 3 ~ 5 parts;
Described aluminium dihydrogen phosphate base-material aluminium hydroxide or aluminium oxide and phosphatase reaction synthesize, and adopt phosphoric acid solution and the aluminium hydroxide powder Reactive Synthesis in the liquid phase of weight concentration 85%, reaction temperature is 110-130 DEG C.
The beneficial effects of the utility model are:
1. structure is simple, wide adaptability, the eccentric ball valve of specific alloy lining of the present utility model, spool is arranged in valve body by large gland, again valve shaft is installed, matching gap is little, with one heart, coaxality is improved, reduce shifting amount, more wear-resistant, also can not leakage of oil after filler wearing and tearing, and it is convenient to install spool, manufacture and realize than being easier to, production procedure is simple, save cost, this ball valve not only can be widely used in iron and steel, water power, sewage treatment, sugaring, the occasions such as municipal water supply and urban heating heat supply, especially be applicable to being used in chemical industry, sewage treatment, sugaring, work under the environment such as petrochemical industry and paper industry compare mal-condition.
2. good seal performance.Between the valve body of this ball valve and large gland, gland ring is installed, Packing seat, filler Gland are also installed in large gland, good sealing effect, the sealing overcome between valve shaft and valve body is not good, bearing and material separate completely, and bearing does not weather, and solve the temperature (heat insulation) of valve and wear-resisting change and the leakage difficult problem produced, avoid valve and disassemble maintenance process simulation every year, alleviate the labor intensity of workman greatly.
3, can reduce the technical requirements to assembly crewman, shorten assembly period, manufacturing efficiency significantly promotes, fast easy to maintenance.
4, the eccentric ball valve of the utility model band lining, is arranged in valve body by large gland by spool, improves more than twice than adopting the life-span of traditional mounting type.
5, circulation area is large, and without any bar in passage, and inner chamber is large, liquid stream can smoothly by valve without flow differential pressure.
6, valve body adopts carbon steel inner liner stainless steel structure, reaches resistance to erosion, anti-cavitation, has fabulous intensity and strong alkali-acid resistance to wear and tear by force, can also reduce cost of production.
7, the bearing housing that Packing seat, filler and support valve shaft rotate is pressed in large gland by Gland, and bearing and material separate completely, and bearing does not weather, and the life-span is longer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the eccentric ball valve of the utility model band lining;
In figure, component names and sequence number are:
Turbine box 1, upper bracket 2, upper valve shaft 3, Gland 4, large gland 5, gland ring 6, bearing housing 7, Packing seat 8, filler 9, spool 10, valve seat 11, platen 12, valve body 13, lower valve shaft 14, axle sleeve 15, bottom 16, lower support frame 17, lining 18.
Embodiment
Introduce the utility model in order to more detailed, below in conjunction with accompanying drawing, the utility model is described further.
As shown in the figure: the eccentric ball valve of band lining of the present utility model, comprise valve body 13, valve shaft and spool 10, it is characterized in that: described valve body 13 inside is provided with the lining 18 adopting stainless steel to make, the side of valve body 13 is provided with influent stream mouth and goes out head piece, end face and the bottom surface of valve body 13 are respectively equipped with mounting hole, large gland 5 is arranged in mounting hole, and described spool 10 is supported and fixed in valve body 13 by large gland 5, and valve shaft is made up of upper valve shaft 3 and lower valve shaft 14; Upper valve shaft 3 and lower valve shaft 14 are connected with spool 10 after being each passed through the large gland 5 being arranged on valve body 13 end face and bottom surface, be provided with Packing seat 8, filler 9 and bearing housing 7 between large gland 5 and valve shaft, the bearing housing 7 that Packing seat 8, filler 9 and support valve shaft rotate is pressed in large gland 5 by Gland 4.
Also can be provided with spool axle sleeve between described spool 10 and large gland 5, described spool 10 adopts the spool of left spool and right spool double eccentric half ball body shape or the spool of single eccentric semi-spherical body shape.
Described filler 9 is fluorine rubber.
Between described valve body 13 and large gland 5, gland ring 6 is installed.
The influent stream mouth of described valve body 13 and/or go out head piece and be provided with valve seat 11 by platen 12.
The described large gland 5 being arranged on valve body 13 end face is provided with upper bracket 2.
Described upper bracket 2 is provided with the turbine box 1 controlling upper valve shaft 3 and rotate.
Described lower valve shaft 14 connects the lower support frame 17 with bottom 16 by axle sleeve 15, and lower support frame 17 is fixed on the large gland 5 of valve body 13 bottom surface.
The preparation method of described valve body 13 comprises the following steps:
The first step, employing investment casting method use alloy material precision casting lining 18, and described alloy material is stainless steel, titanium alloy, Cuprum alloy, ferromanganese.
Second step, after lining 18 casting, passivation is carried out to lining 18.
3rd step, lining 18 is carried out passivation after, outside be coated with last layer ceramic coating at it, the thickness of ceramic coating is 0.1-3mm.
4th step, be heated to 250-350 DEG C by coating the lining after ceramic coating 18.
5th step, the lining 18 after above-mentioned process is put into the ready-made husky mould of water glass as pre-buried, Quick pouring cladding material, cladding material adopts carbon steel or spheroidal graphite cast iron.
Rapidly lining 18 is cooled after 6th step, casting complete, after being cooled to 300-400 DEG C, then allow it naturally cool.
7th step, naturally cool to normal temperature after entirety is polished, qualitative, sand blast.
8th step, after above-mentioned process, passivation is carried out to lining 18 inner chamber.
9th step, finally by size requirement processing can obtain valve body 13.
Described passivation is with the amino trimethylene phosphonic acids of ATMP() solution carries out dipping treatment, the time 10-30 minute of immersion, the amino trimethylene phosphonic acids of temperature 30-50 DEG C, ATMP() concentration of solution is 0.8-1.2M, pH value is 0.5-2.
Described ceramic coating adopts refractory ceramics coating, and it is made up of following material component:
White clay 44 ~ 48 parts;
Modified epoxy 20-50 part;
Quartz flour 10-30 part;
7 ~ 8 parts, acetone;
Aluminium dihydrogen phosphate 6 ~ 7 parts;
Polyurethane powder 3 ~ 5 parts;
Described aluminium dihydrogen phosphate base-material aluminium hydroxide or aluminium oxide and phosphatase reaction synthesize, and adopt phosphoric acid solution and the aluminium hydroxide powder Reactive Synthesis in the liquid phase of weight concentration 85%, reaction temperature is 110-130 DEG C.
Embodiment 1
First refractory ceramics coating is prepared, aluminium hydroxide or aluminium oxide and phosphatase reaction are synthesized, adopt phosphoric acid solution and the aluminium hydroxide powder Reactive Synthesis in the liquid phase of weight concentration 85%, reaction temperature is 110-130 DEG C, obtain aluminium dihydrogen phosphate, then according to following weight:
White clay 44 ~ 48 parts, modified epoxy 20-50 part, quartz flour 10-30 part, 7 ~ 8 parts, acetone, aluminium dihydrogen phosphate 6 ~ 7 parts and polyurethane powder 3 ~ 5 parts, obtained refractory ceramics coating.
Application Example
In January, 2013, sugar refinery, Nanning uses the eccentric ball valve of this band lining in sugar refining technology.Medium in this sugar refinery manufacture process is mainly syrup and steam (with sugar, to boil sugar, material), and the environmental condition temperature that ball valve uses is high, and excursion is large; Shape of medium is particle sometimes, sometimes be liquid, sometimes be two phase flow, on probation through this sugar refinery 3 months, this eccentric ball valve fullys meet the requirement of Environmental Conditions, solve the temperature (heat insulation) of valve and wear-resisting change and the leakage problem produced, and after squeezing season stops production, overhaul discovery is carried out to ball valve, valve seal position is without any wearing and tearing, lining is corrosion-free, still can continue to use, this valve really reaches the feature avoiding safeguarding and exempt to maintain, and improves more than several times than originally using the life-span of eccentric ball valve on the market.In March, 2013, in Hunan electrochemical factory, uses this band lining aerodynamic malalignment semispherical valve, uses medium to be 12% sulfuric acid solution, temperature is 90 degree, with manganese ore particle, and No leakage in using in a year, disassemble observation corrosion-free, owing to adopting lining, greatly save production procurement cost.
Above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited to above-mentioned example, those skilled in the art, in essential scope of the present utility model; the change made, remodeling, interpolation or replacement, all should belong to protection domain of the present utility model.
Claims (9)
1. the eccentric ball valve with lining, comprise valve body (13), valve shaft and spool (10), it is characterized in that: described valve body (13) inside is provided with lining (18), the side of valve body (13) is provided with influent stream mouth and goes out head piece, end face and the bottom surface of valve body (13) are respectively equipped with mounting hole, large gland (5) is arranged in mounting hole, and described spool (10) is supported and fixed in valve body (13) by large gland (5), and valve shaft is made up of upper valve shaft (3) and lower valve shaft (14); Upper valve shaft (3) and lower valve shaft (14) are each passed through and are arranged on valve body (13) end face and are connected with spool (10) afterwards with the large gland (5) of bottom surface, be provided with Packing seat (8), filler (9) and bearing housing (7) between large gland (5) and valve shaft, the bearing housing (7) that Packing seat (8), filler (9) and support valve shaft rotate is pressed in large gland (5) by Gland (4).
2. the eccentric ball valve of band lining according to claim 1, it is characterized in that: be also provided with spool axle sleeve between described spool (10) and large gland (5), described spool (10) adopts the spool of left spool and right spool double eccentric half ball body shape or the spool of single eccentric semi-spherical body shape.
3. the eccentric ball valve of band lining according to claim 1, is characterized in that: described filler (9) is fluorine rubber.
4. the eccentric ball valve of band lining according to claim 1, is characterized in that: be provided with gland ring (6) between described valve body (13) and large gland (5).
5. the eccentric ball valve of band lining according to claim 1, is characterized in that: the influent stream mouth of described valve body (13) and/or go out head piece and be provided with valve seat (11) by platen (12).
6. the eccentric ball valve of band lining according to claim 1, is characterized in that: the described large gland (5) being arranged on valve body (13) end face is provided with upper bracket (2).
7. the eccentric ball valve of band lining according to claim 6, is characterized in that: described upper bracket (2) is provided with the turbine box (1) controlling upper valve shaft (3) and rotate.
8. the eccentric ball valve of band lining according to claim 1, it is characterized in that: described lower valve shaft (14) connects the lower support frame (17) with bottom (16) by axle sleeve (15), and lower support frame (17) is fixed on the large gland (5) of valve body (13) bottom surface.
9. the eccentric ball valve of band lining according to claim 1, is characterized in that: described lining (18) adopts alloy material to make, and described alloy material is stainless steel, titanium alloy, Cuprum alloy, ferromanganese.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248619.4U CN204717035U (en) | 2015-04-23 | 2015-04-23 | With the eccentric ball valve of lining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520248619.4U CN204717035U (en) | 2015-04-23 | 2015-04-23 | With the eccentric ball valve of lining |
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| CN204717035U true CN204717035U (en) | 2015-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864114A (en) * | 2015-04-23 | 2015-08-26 | 刘向阳 | Eccentric ball valve with lining and preparation method thereof |
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2015
- 2015-04-23 CN CN201520248619.4U patent/CN204717035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864114A (en) * | 2015-04-23 | 2015-08-26 | 刘向阳 | Eccentric ball valve with lining and preparation method thereof |
| CN104864114B (en) * | 2015-04-23 | 2017-09-22 | 刘向阳 | eccentric ball valve with lining and preparation method thereof |
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Effective date of registration: 20180829 Address after: 530001 No. 55, 6 new high road, Nanning, Nanning, the Guangxi Zhuang Autonomous Region, No. 1236, Wanda Plaza, Anji Patentee after: Guangxi Kede valve limited liability company Address before: 530001 Room 302, unit 1, building C, Junan new village, Xixiang Road, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: Liu Xiangyang |
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