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法蘭連接煤化工專用球閥系列 Q347Y

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  • 公司名稱中國·高能閥門集團(tuán)騰達(dá)閥門有限公司
  • 品       牌
  • 型       號(hào)
  • 所  在  地溫州市
  • 廠商性質(zhì)生產(chǎn)廠家
  • 更新時(shí)間2024/11/19 9:59:58
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法蘭連接煤化工專用球閥系列 Q347Y
法蘭連接煤化工專用球閥系列 Q347Y 產(chǎn)品信息


主要零件和材質(zhì) Main parts and materials

序號(hào)
   NO
零件名稱
   Accessor name
材質(zhì) Material
GB系列
1螺母 Nut45#
2螺柱 Bonnet bolt35#
3閥蓋 BonnetWCB
4密封壓環(huán) Sealing ringF304
5密封圈 Sealing ring石墨
6蝶簧 SpringInconel750
7閥座 SeatF304 噴Ni55
8內(nèi)六角螺釘 Nut35#
9后蓋 Bottom coverA105
10后蓋墊 Bottom cover石墨
11固定軸 Seat ring17-4PH
12軸套 Bush bearing304+HF
13排污塞 Drain valveF304
14閥體 BodyWCB
15中墊 Gasket不銹鋼+石墨
16球體 BallF304 噴Ni60
17填料 Packing石墨
18閥桿 Stem17-4PH
19填料箱 PackingF304
20填料壓蓋 GlandWCB
21螺柱 Bonnet bolt35#
22螺母 Nut45#
23支架 YokeWCB
24螺母 Nut45#
25外六角螺柱 bonnet bolt45#

產(chǎn)品結(jié)構(gòu)特點(diǎn) afeatures

1)密封比壓高:水煤漿工況用硬密封球閥由于采用金屬材料為密封面,所需要的密封比壓比軟。
 密封要高得多:因此如何從設(shè)計(jì)上保證適當(dāng)?shù)拿芊獗葔海岣吡慵男挝还钜约疤岣弑砻婀鉂嵍纫笫鞘种匾摹?br>  2)球體表面硬度高:煤粉顆粒的硬度較高,此工況情形下,在閥門關(guān)閉的狀態(tài)時(shí)要求球體表面。
 硬度層有較高的硬度,否則,當(dāng)閥門開啟的過程中會(huì)有煤粉顆粒鑲嵌在球體表面上,
 從而破壞球體表面,以至于影響到閥門的整體密封性能。
 3)噴焊層結(jié)合強(qiáng)度高:煤粉在管線中的流動(dòng)速度很快,因此要求球體密封面必須有較高的硬度。
 和強(qiáng)度,同時(shí)還要求所噴焊的密封材料和基體材料有較高的結(jié)合強(qiáng)度,以及基體材料本身的強(qiáng)度較好,這樣噴焊層才不能從基體表面脫落,而失去密封性能。
 4)自潔功能:煤漿的吸附性較強(qiáng),容易粘在球體表面上。在閥門啟閉過程中,介質(zhì)顆粒被帶到。
 閥座與球體的密封面之間,破壞了球體與閥座之間的密封副,從而影響閥門的密封性能,使閥門的使用壽命大大縮短。這就要求閥門具有很好的“自潔”功能,從而保證球體和閥座密封副不被破壞。
 5)加工難:由于水煤漿工況用硬密封球閥的密封表面均采用超硬材料或表面硬化處理,用普通刀具無法加工,即使能加工其加工精度也不能滿足要求,同時(shí)還要求加工設(shè)備具有足夠的強(qiáng)度,因此選擇合適的刀具非常重要。

1) The sealing ratio is higher than the pressure: the sealing ball valve in the working conditions of the coal slurry USES the metal material as the sealing cover and the required sealing ratio is softer than the pressure ratio.
 The sealing is much higher: therefore, it is very important to ensure proper sealing ratio of the design, improve the position tolerance of the parts and improve the surface finish.
 2) The surface hardness of the ball is high: the hardness of coal particles is higher, and the surface of the sphere is required when the valve is closed in this condition.
 Hardness layer has high hardness, otherwise, when the valve is opened in the process of coal particles are embedded in a sphere surface, undermining the sphere surface, that affect the overall sealing performance of the valve.
 3) The bonding strength of the spray welding layer is high: the coal powder is flowing fast in the pipeline, so it is necessary to have a high hardness on the sealing surface of the ball.
 And intensity, and at the same time also requires the spray welding sealing material and base material has high bonding strength, and the strength of the
 substrate material itself is good, so just can't fall off from the substrate surface spray welding layer, and lose the sealing performance.
 4) Self-cleaning function: the adsorption properties of coal pulp are strong and easy to stick to the surface of the ball. During the valve opening process, the medium particles are carried.
 Between the seat and the ball's sealing surface, the seal between the ball and the seat is broken, which affects the sealing performance of the valve and greatly reduces the service life of the valve. This requires the valve to have a good "self-cleaning" function to ensure that the ball and seat seal are not damaged.
5) Processing hard: as the working condition of coal water slurry with hard seal ball valve sealing surface adopt superhard material or surface hardening treatment, use common tool will not be able to process, even to the machining precision can't meet the requirements, at the same time also require processing equipment has enough strength, therefore is very important to choose the appropriate tools.


技術(shù)規(guī)范 Technical specification

設(shè)計(jì)依據(jù) Design    referenceGB系列 GB series
設(shè)計(jì)標(biāo)準(zhǔn) Design standardGB/T12237  GB/T21385
結(jié)構(gòu)長度 Face to faceGB/T12221
連接法蘭 End flangeGB/T9113  HG20592
試驗(yàn)和檢驗(yàn) Test & inspectionGB/T 26480


試驗(yàn)壓力 Test prssure

壓力等級(jí)
   Pressure grade
試驗(yàn)壓力 Test pressure
公稱壓力    PN
   Nominal pressure
殼體試驗(yàn)
   Sheil test
正密封試驗(yàn)
   Sealing test
反密封試驗(yàn)
   Sealing test
氣密封試驗(yàn)
   Air seal test
1.62.41.761.760.6
2.53.752.752.750.6
4.06.04.44.40.6
6.39.456.936.930.6
10.015.011.011.00.6


球閥結(jié)構(gòu)長度和外接尺寸 Main connection dimensions

PN:1.0~1.6PN:2.5~4.0PN:6.3PN:10.0
公稱通徑
   DN
L
   (mm)
H
   (mm)
L
   (mm)
H
   (mm)
L
   (mm)
H
   (mm)
L
   (mm)
H
   (mm)
100305415305415406500432480
125356450381450508530508645
150394470403470495485559646
200457520502520597580660665
250533610568610673665787735
300610650648650762760838790
3506867407627408268208891020
4007627958387959028709911080
450864860914860978930

5009149459919451054995

600106710401143104012321100

 


關(guān)鍵詞:硬密封球閥
15168338725
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