CN2625666Y - Air-actuated isolating valve suited for coke oven crude gas - Google Patents

Air-actuated isolating valve suited for coke oven crude gas Download PDF

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Publication number
CN2625666Y
CN2625666Y CN 03258895 CN03258895U CN2625666Y CN 2625666 Y CN2625666 Y CN 2625666Y CN 03258895 CN03258895 CN 03258895 CN 03258895 U CN03258895 U CN 03258895U CN 2625666 Y CN2625666 Y CN 2625666Y
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China
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valve
cover
connected
airbag
chamber
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CN 03258895
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Chinese (zh)
Inventor
方士兴
邵福南
吴瑞和
仲伟沧
何网林
张少兵
雷钦祥
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江阴市锅炉容器厂
江苏双良锅炉有限公司
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Application filed by 江阴市锅炉容器厂, 江苏双良锅炉有限公司 filed Critical 江阴市锅炉容器厂
Priority to CN 03258895 priority Critical patent/CN2625666Y/en
Application granted granted Critical
Publication of CN2625666Y publication Critical patent/CN2625666Y/en

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Abstract

The utility model relates to an air-actuated cut-off valve suitable for the crude gas of a coke oven. The utility model comprises a valve body 1, a gas inlet 20, a gas outlet 2, a valve seat 3, a valve cover 4, a valve rod 6, a valve cover 7, a gas bag 8, a pallet 9, a spring set 10, an upper and a lower covers of 12, 15 of a gas bag chamber, a support frame 16, a combining body 18 and a sewage draining exit 21, wherein the valve body and is connected with the combining body connected with the valve cover connected with the support frame; the support frame is connected with the lower cover of the gas bag chamber, which is connected with the upper cover of the gas bag chamber; a gas bag chamber 11 is formed between the upper and the lower covers of the gas bag chamber; the gas bag is arranged in the gas bag chamber; the pallet is arranged on the gas bag; the lower end of the valve rod is connected with the valve core arranged on the valve seat; the upper end of the valve rod is connected with the pallet and the gas bag; the spring set is arranged on the pallet; one side of the lower cover of the gas bag chamber is provided with a compressed air inlet 14; the sewage draining exit is arranged at the bottom of the valve body. The valve can discharge sediments or residual liquid in the valve and enhances the opening and closing force and the sealing reliability of the valve.

Description

适用于焦炉粗煤气的气动切断阀 Coke oven crude gas is suitable for a pneumatic shut-off valve

技术领域 FIELD

:本实用新型涉及一种燃气管路切断阀。 : The present invention relates to a gas line shut-off valve. 尤其是涉及一种适用于焦炉粗煤气的气动切断阀。 Particularly, to a suitable pneumatic coke oven crude gas shut-off valve.

背景技术 Background technique

:现有的燃气管路上所配用的切断阀有多种,用于直接和燃烧器相匹配且要实现自动控制的燃气切断阀主要为电磁式切断阀。 : There are many existing gas shut-off valve is equipped with the pipeline, and a burner for directly and matched to achieve automatic control of the gas shut-off valve is an electromagnetic shut-off valve main. 但对于焦炉粗煤气来讲,电磁切断阀就不能适应,究其原因是由该阀的结构及传动方式所决定的。 But for the coke oven crude gas is concerned, it can not adapt to the solenoid shut-off valve, the reason is determined by the structure and the transmission mode of the valve. 电磁切断阀的开启是靠电磁力吸起磁铁带动阀杆及阀芯离开阀座接合面而实现的,关闭是靠弹簧力回复的。 The solenoid valve is turned off by an electromagnetic force to drive the magnet from the suction valve stem from the valve seat and the valve body joint surface achieved, is closed by the force of the return spring. 该阀的主要活动零件阀芯、阀杆、弹簧、密封件阀座都为普通黑色金属材料,该阀在运行过程中,上述零部件都和焦炉粗煤气相接触,由于焦炉粗煤气中有大量的腐蚀介质,所以,这些件都经不起腐蚀;其次,由于焦炉粗煤气中的粘性物焦油和结晶体萘粘到活动零件上,使得零件的正常动作受阻,在这种情况下,就显得电磁力不足,对低压力的焦炉粗煤气密封不能保证。 The main activities of the spool valve part, a valve stem, a spring, a sealing member seat are common ferrous materials, during operation of the valve, and the above-described components are in contact with the coke oven crude gas, due to the coke oven crude gas a large amount of corrosive media, so these elements can not withstand corrosion; Second, since the sticky tar and naphthalene crystals coke oven crude gas is adhered to the movable part, so that the normal operation of the blocked parts, in this case, it is less than the electromagnetic force, coke oven crude gas with low pressure seal is not guaranteed. 影响电磁阀正常使用;另外,该阀的阀芯和阀座是刚性面接触密封,如果阀芯或阀座上粘有污物,就造成密封失效,使煤气泄漏;再者,该阀阀体底部无设排污装置,阀内若有沉淀物或残液时无法排出,可能会直接导致故障。 Effects of the normal use of the solenoid valve; Further, the valve body and the valve seat of the valve seal is a rigid surface contact, if there is dirt adhered on the spool or the valve seat, causing seal failure, so that a gas leak; Furthermore, the valve body the no-discharge means is provided, if precipitation can not be discharged when the valve or raffinate, may lead directly to malfunction. 综上所述,电磁式切断阀不能适应焦炉粗煤气使用。 In summary, the electromagnetic shut-off valve can not meet the coke oven crude gas used.

发明内容 SUMMARY

:本实用新型的目的在于克服上述不足,提供一种专门适用于焦炉粗煤气的气动切断阀,以提高阀门的开闭力量、开启动作及密封可靠性以及能及时排出阀内沉淀物或残液。 : The present invention aims to overcome these shortcomings, there is provided a coke oven crude gas specifically applicable to pneumatic shut-off valve to increase the opening and closing force of the valve opening operation and reliable sealing and timely discharge valve precipitate or residue liquid.

本实用新型的目的是这样实现的:一种适用于焦炉粗煤气的气动切断阀,其特点是它包括阀体、煤气进、出口、阀座、阀芯、阀杆、阀盖、气囊、托盘、弹簧组、气囊室上盖、气囊室下盖、支架、结合体和排污口,煤气进、出口设置于阀体两侧,阀体上端与结合体相连,结合体与阀盖相连,阀盖与支架相连,支架与气囊室下盖相连,气囊室下盖与气囊室上盖相连,气囊室上、下盖之间形成气襄室,气囊置于气囊室内,托盘置于气囊上端面上,阀杆下端与阀芯相连,阀芯置于阀体内的阀座上,阀杆上端穿过结合体、阀盖和支架与置于气囊室内的托盘和气囊相连,弹簧组置于托盘上,气囊室下盖一侧开设压缩空气进口,排污口开设于阀体底部。 The object of the present invention is achieved: one for coke oven crude gas pneumatic shut-off valve, characterized in that it comprises a valve body, a gas inlet, an outlet, a valve seat, the valve body, a valve stem, a valve cover, the airbag, tray, spring group, the airbag cover chamber, the lower chamber of the airbag cover, the stent, and a combination of outfall, gas inlet, an outlet disposed on both sides of the valve body, the upper end of the valve body is connected with the binding, is connected to the valve body and cap binding, valve the holder is connected to the lid, the lid is connected to the lower chamber of the airbag holder, an airbag chamber is connected to the lower chamber cover and the airbag cover, airbag chamber, forming an air chamber between the cover Xiang, the airbag the airbag is placed indoors, the tray placed on the top surface of the airbag , and the valve is connected to the lower end of the stem, the valve body is placed on the valve seat body, an upper end of the valve stem passing through the coupling body, the cap and the valve holder and the tray placed in the airbag and the airbag chamber connected spring stack disposed on the tray, the compressed air inlet opening at the cover side airbag chamber, the bottom of the valve body defines outfall.

本实用新型还可在结合体内的阀杆上套置有波纹管或弹簧,以提高阀门的开闭力量,加快阀的关闭动作和提高阀的密封可靠性。 The present invention may also be incorporated in the stem body sleeved spring or bellows, in order to improve the opening and closing force of the valve closing operation of the valve to speed up and enhance the sealing reliability of the valve.

本实用新型提供了一种专为焦炉粗煤气的切断阀,该阀采用压缩空气为动力的执行机构,阀门开阀力量大且灵活可靠。 The present invention provides a specially designed for cutting coke oven crude gas valve that uses compressed air-powered actuator, the valve and the valve opening force large flexible and reliable. 该阀的阀杆及阀芯用不锈钢材料制做,阀体用铸铁制做,阀座用聚四氟乙烯制做,解决了腐蚀问题;聚四氟乙烯具有良好的韧性,并且和阀芯为线接触,所以,密封性好,不会使煤气内泄;阀底排污又方便,因此该阀完全适应焦炉粗煤气使用。 Stem and valve body of the valve is made of stainless steel material, made with a cast iron valve body, a valve seat made of polytetrafluoroethylene, solves the corrosion problem; polytetrafluoroethylene has good toughness, and for the valve body and line contact, so that sealing does not cause the gas vent; bottom discharge valve and convenient, so that the valve is fully adapted to the use of the coke oven crude gas.

图1为该实用新型的结构示意图。 FIG 1 is the schematic structure of the new utility. 图中该阀由阀体1、煤气进、出口20、2、阀座3、阀芯4、阀杆6、阀盖7、气囊8、托盘9、弹簧组10、气囊室上盖12、气囊室下盖15、支架16、弹性波纹管或弹簧17、结合体18、排污口21及联接螺栓13、橡胶隔膜5等组成。 The valve in FIG 1, the gas inlet valve, an outlet 20, 2, the valve seat 3, valve body 4, the valve stem 6, the valve cover 7, the airbag 8, the tray 9, 10, the airbag cover chamber spring group 12, the airbag 15, the lower chamber cover holder 16, the elastic or spring bellows 17, consisting of a combination of 18, 21 and outfall coupling bolts 13, a rubber septum 5 and the like. 煤气进、出口20、2设置于阀体1两侧,阀体1上端与结合体18采用螺栓联连,阀体1与结合体18之间设置橡胶隔膜5密封,结合体18与阀盖7间采用螺栓联连,阀盖7与支架16相连,支架16与气囊室下盖15相连,气囊室下盖15与气囊室上盖12相连,气囊室上、下盖12、15之间形成气囊室11,气囊8置于气囊室11内,与气囊室上、下盖12、15间通过螺栓13固定联接,托盘9置于气囊8上端面上,阀杆6下端与阀芯4相连,阀芯4置于阀体1内的阀座3上,阀杆6上端穿过结合体18、阀盖7和支架16与气囊室11内的托盘9和气囊8中心相连,弹簧组10下端置于托盘9上,上端与气囊室上盖12相接触。 Gas inlet and outlet sides 20,2 disposed in a valve body 1 and the upper end of the bolt combination 18 is connected with the valve body 1 is provided with a rubber seal between the diaphragm 5 and the combination of 18, 18 and the combination valve cover 7 the airbag is formed between the joint bolt connected, the holder 7 is connected to the valve cover 16, 15 is connected to the lower bracket 16 and the airbag chamber lid, the chamber lid 15 and the airbag chamber of the airbag cover 12 is connected, on the balloon chamber 12, 15 between the lower cover chamber 11, the airbag 8 is placed on the inner 11, and the airbag chamber of the airbag chamber, between the lower cover 12, 15 is coupled by a fixing bolt 13, is placed the tray 9 is connected to the upper end face of the airbag 8, the valve body 6 and the lower end of the stem 4, the valve the core 4 is placed on the valve seat in the valve body 3, the upper end of the stem 6 passing through the coupling member 18, the tray 11 within the valve cover 16 and the bracket 7 and 8 and the airbag chamber is connected to the center bladder 9, the lower end of spring 10 disposed group the tray 9, the upper end of the upper cover 12 and the airbag chamber comes into contact. 气囊室下盖15一侧开设压缩空气进口14。 An airbag cover 15 side of the lower chamber 14 compressed air inlet opening. 波纹管或弹簧17套置于结合体内的阀杆6上,排污口21开设于阀体1底部。 Spring bellows or sleeve 17 is placed on the body in conjunction with the valve stem 6, 21 is defined in the outfall bottom of the body 1.

该阀的工作原理是这样的:压缩空气从气囊室下盖一侧进入气囊室下部以后,在其压力作用下,气囊和托盘上移,弹簧组和弹性波纹管或弹簧同时被压缩,阀杆和阀芯也随之上移,阀芯就离开阀座,此阀开启,煤气通过;当此阀关闭时,先关闭压缩空气,在弹簧组力和弹性波纹管或弹簧恢复力的双重作用下,加快关闭动作,气囊和托盘复位,气囊室中压缩空气被挤压排出,同时,阀杆和阀芯下移,阀芯压紧阀座而关闭该阀,切断煤气。 The valve works like this: From the compressed air into the lower chamber of the airbag cover side of the lower chamber of the airbag, in its pressure, the airbag and the shift tray, and spring set or an elastic spring bellows while being compressed, valve stem when the valve is closed, turn off the compressed air, the restoring force of the spring force and the set of flexible bellows or spring dual role; and also will move the valve body, the valve body to leave the valve seat, the valve is opened, by the gas , to accelerate the closing operation, the tray and reset the airbag, the airbag is compressed discharged air chamber, while the valve stem and spool down, pressing the valve body and the valve seat to close the valve and cut off the gas. 密封可靠。 Reliable sealing. 当阀底积有沉淀物和残液时,则可打开排污口及时排放。 When the valve end of a precipitate and raffinate product, can be discharged in open outfall.

Claims (4)

1.一种适用于焦炉粗煤气的气动切断阀,其特征在于它包括阀体(1)、煤气进、出口(20)、(2)、阀座(3)、阀芯(4)、阀杆(6)、阀盖(7)、气囊(8)、托盘(9)、弹簧组(10)、气囊室上盖(12)、气囊室下盖(15)、支架(16)、结合体(18)和排污口(21),煤气进、出口(20)、(2)设置于阀体(1)两侧,阀体(1)上端与结合体(18)相连,结合体(18)与阀盖(7)相连,阀盖(7)与支架(16)相连,支架(16)与气囊室下盖(15)相连,气囊室下盖(15)与气囊室上盖(12)相连,气囊室上、下盖(12)、(15)之间形成气襄室(11),气囊(8)置于气囊室(11)内,托盘(9)置于气囊(8)上端面上,阀杆(6)下端与阀芯(4)相连,阀芯(4)置于阀体(1)内的阀座(3)上,阀杆(1)上端穿过结合体(18)、阀盖(7)和支架(16)与置于气囊室(11)内的托盘(9)和气囊(8)相连,弹簧组(10)置于托盘(9)上,气囊室下盖(15)一侧开设压缩空气进口(14),排污口(21)开设于阀体(1) A coke oven crude gas is suitable for pneumatic shut-off valve, characterized in that it comprises a valve body (1), the gas inlet and outlet (20), (2), a valve seat (3), the spool (4), a valve stem (6), valve cover (7), the airbag (8), the tray (9), the spring group (10), the airbag cover chamber (12), the lower chamber of the airbag cover (15), the bracket (16), in combination (18) and a sewage outlet (21), gas inlet and outlet (20), (2) is provided in the valve body (1) on both sides of the valve body (1) and the upper end of the binding body (18) is connected to the engaging means (18 ) and valve cover (7) is connected to the valve cover (7) and the holder (16) is connected to a lower bracket (16) and an airbag chamber lid (15) connected to the lower chamber of the airbag cover (15) and the airbag chamber cover (12) is connected to the upper chamber of the airbag, the cover (12) is formed Xiang gas chamber (11), the airbag (8) (15) disposed within the balloon chamber (11), the tray (9) is placed in the airbag (8) on the end faces the valve stem (6) and the lower end of the valve body (4) is connected to the valve body (4) a valve seat disposed within the valve body (1) (3), the stem (1) through a combination of an upper end (18) , valve cover (7) and the holder (16) and disposed within the balloon chamber (11) of the tray (9) and the airbag (8) is connected, the spring group (10) is placed on the tray (9), the lower chamber of the airbag cover ( 15) defines one side of the compressed air inlet (14), discharge port (21) opened in the valve body (1) 底部。 bottom.
2.根据权利要求1所述的一种适用于焦炉粗煤气的气动切断阀,其特征在于结合体(18)内的阀杆(6)上套置有弹性波纹管或弹簧(17)。 According to claim 1 is applied to one of the coke oven crude gas pneumatic shut-off valve, characterized in that the sleeve has opposed flexible bellows or spring (17) on the stem (6) of the binding (18).
3.根据权利要求1所述的一种适用于焦炉粗煤气的气动切断阀,其特征在于阀杆(6)及阀芯(4)用不锈钢材料制做。 A suitable according to the coke oven crude gas is a pneumatic shut-off valve as claimed in claim, characterized in that the stem (6) and the valve body (4) made of stainless steel material.
4根据权利要求1所述的一种适用于焦炉粗煤气的气动切断阀,其特征在于阀座(3)用聚四氟乙烯制做。 4 in the coke oven crude gas shut-off valve according to one pneumatic applicable according to claim 1, characterized in that the valve seat (3) made with polytetrafluoroethylene.
CN 03258895 2003-06-17 2003-06-17 Air-actuated isolating valve suited for coke oven crude gas CN2625666Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03258895 CN2625666Y (en) 2003-06-17 2003-06-17 Air-actuated isolating valve suited for coke oven crude gas

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Application Number Priority Date Filing Date Title
CN 03258895 CN2625666Y (en) 2003-06-17 2003-06-17 Air-actuated isolating valve suited for coke oven crude gas

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114692B (en) * 2008-02-29 2017-12-15 费希尔控制国际公司 Diagnostic method for detecting the failure of the control valve member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114692B (en) * 2008-02-29 2017-12-15 费希尔控制国际公司 Diagnostic method for detecting the failure of the control valve member

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