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商品详细描述
蓄能罐式液控缓闭止回阀 HVD74 X(H)
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5 HVD74 X(H)液控缓闭止回阀 Hydraulic control dumping check butterfly valve 产品简述 Product Instruction: 凯丰液控缓闭止回蝶阀是目前国内外较先进的管路控制设备，主要安装于水电水轮机进口，用作水轮机进口阀；或安装于水力、电力、给排水等各类泵站的水泵出口，替代止回阀和闸阀的功能。工作时，阀门于管道主机配合，按照水力过渡过程原理，通过预设的启闭程序，有效消除管路水锤，实现管路的可靠截止，起到保护管路系统安全的作用。 我公司生产的液控缓闭止回蝶阀流阻系数小、自动化程度高、功能齐全、性能稳定、使用寿命长，集国内外同类产品性能的基础上，引进阀门、液压、电气等行业的多项研究成果开发出来的新一代高效智能化产品。并根据用户特殊要求单独设计，满足广大用户对该产品的需求。 产品主要功能与特点: 1、 可取代水泵出口处原电动闸阀和止回阀的功能，且机电系统集成一个整体，减少占地面积及基建投资。 2、 电液控制功能齐全，无需另外配置就可以作为一个独立的系统单机就地调试、控制；也可作为集散性控制系统（DNS）的 个设备单元，通过I/O通道由中央计算机进行集中管理，于水泵水轮机、旁通阀及其他管道设备实现联动操作；并配有手动功能，无动力电源时也可实现手动开、关阀，满足特殊工况下的阀门调试、控制要求。 3、 可控性好，调节范围大，可控性能强。电液控制系统设有多处调节点，可按不同的管道控制要求进行启闭程序设 置，保证在满足开、关阀条件时，阀门能够且才能够按预先设置的时间、开启和分快、慢二阶段关闭。并能实现无电关闭，有效消除破坏性水锤，防止水泵和水轮机组飞逸事故的发生，降低管网系统的压力波动，保障设备的安全可靠运行。 4、 采用三偏心金属密封或双偏心橡胶密封机构，启闭轻松、密封可靠：并有一道额外加大偏心，使阀门具有自关闭、自密封性能。中、小口径碟版设计成流线型平板机构，大口径蝶阀设计面双平板桁架式结构，排挤小，水流平顺，阀门流阻系数仅为0.10.6，远小于止回阀门的流阻系数（1.7～2.6）调节性能明显。 CNNC fluid controls slow shuts check butterfly valve is the present domestic and foreign more advanced pipelines control device,the main installment imports to the hydroelectric power staion hydraulic turbine,serves as the hydraulic turbine to import the balve;Or the installment to the water conservation,the electric power,for draining water and so on each kind of pumping sattion water pumpexportation,substitustes the check valve and the gate valve funtion. When work,the valve and the pipeline main engine coordination,according to the water power transient process princiole,through supposes in advance opens in davance opens shuts the procedure,effectively eliminates the pipeline water hammer,realizes the pipeline reliable closure,plays the protection circuitry role. Our company produces the fluid controls slow shuts check butterfly valve resistance coefficient slightly,the automaticity high,the function complete,the performance stable,the service life is long,in the collection domestic and foreign similar prducrs performance foundation,introduces the new genneration of highly effective smart products which profession the and so on valve,hydraulic pressure,electricity many research results develops,and alone carries on the design according to user＇special request, satisfies the user communities to this product demand. 1,May substitute for the water pump side exportation original electrically operated gate valve and the check valve function,also machine,the electricity,the fluid system integration are a whole,reduces the area and rhe initial cost. 2,Electricity the control function is complete,does not need other disposition then by to take an indepindent system single plane debugs,the control,Also may take collection control system(DCS) an equipment unit,carries on the centralized management through the I/Ochannel by the central computer ,with water pump,hydraulic turbine, by-pass valve and other pipi-line equipment realization linkage operations;And has the manual function,when non-power power source also may realize manually operates,closes the valve,satisfiesunder the special operating mode the valve debugging,the controk request. 3,Control performance good,the adjustment scope big,the compatibility is strong.Electrecity the control system is equipped with many;lace adjusts the pitch point , may carry on according to the different pipeline control request opens shuts the procedure estableshment,guaranteed when satisfies,closes the valve condition,the valve can also only then can automatically according to the time,the angle which establishes in advance open with the minute is quick,slow two stages shutting down.And dan realize the radio closure,effectively elminates destureness water hammer,prevented the water pump and the water wheel unit flies the lersurely accident occurrence,reduces the pipe network system the fluctuation of pressure,the support epuipment security reliable movement. 4,Uses three eccentric metals seals or the double eccentric rubber seal structure,opens shuts,the seal with ease is reliable;And has the bias which extra enlarges together,enable the valve to have good from the closure,from the sealing property.Center,the small caliber butterfly board designs the streamline dull structure,the heavy-caliber butterfly board dsign surface double plate posture structure,pushes aside slightly,current of water smoothcthe valve resistance coefficient is lnly0.1-0.6,far is smaller than the check valve resistance the coefficient(1.7-2.6),the energy conservation effect is obvious. 主要性能规范 Main performace standard
主要技术参数Mian technical parameter
Product gathers according to the control system can the type divide into the steelyard weiht type and the accumulator type two big series,steelyard wight type control system divedes into the ordinary steelyard weight type automatically guarantees.(B)and the steelyard weight type automatically guarantees presses locking(s);The accumlator type control system divides into the ordinary accumulator type(X)and accumulator type locking(XS).The valve mainly by the valve main body,the transmission system,the hydraulic pressure stands,the electrically controlled box and so on four parts is composed.The valve main body by the valve body,the butterfly board,the valve shaft,the sliding bearing,the seal module and so on the major parts is composed.Steelyard weight valve bodyuses the hofiziotal-type structure,the valve shaft uses the structure.Accumulator type generally use the horizontal-type arrangement;Also may use the vertical arrangement according to the user request .Transmission system mainly by the biography is composed,is the strut wall plate(steelyard weight type also has steelyard weight,reslease lever,fixed cylinder and so on)and so on the connection,the biography is composed, is the hydraulic pressure power operates,closes the valve the main implementing agency.On the transmission hydraulic cylinder is equipped with the quick pass time regulating valve,the slow pass time regulating valve and is quick,the slow pass angle regulating valve.The adjustment scope sees and so on five(special parameter).When horizontal-type arrangement,transmission system generally uses to the installment;Scene space limit when also may use the counter-after according wo user request(namely transmission device to be located valve body another side,sees the chart five –chart nine.)Hydraulic pressure stands manually including the oil pump unit,pumps,the accumulator,the solenoid valve,the overflow valve,the flow control valve,the cut-off valve,hydraulic pressure spare part and so on integration block,fuel tank.Steelyard weight type automatic constant voltage system,the accumulator serves an the system pressure compensating.Steelyard weight type automatically guarantees presses in the locking system,the accumulator serves as the system pressure to compensate and to lock the cylinder to back to lock.Accumlator typesystem,two accumulators mutuall for spare,opens for the valve shuts provides the action source. 流量控制阀用于开阀时间调节，调节范围见第五节（特殊参数）。手动泵用于系统调试和特殊工况下的阀门启闭。液压系统电磁换向阀 控制特征一般为正作用型，即：电磁阀的电蝶阀开关阀、失电蝶阀开关阀；反之为反作用型，即电磁阀失电蝶阀开阀、得电蝶阀开关阀。常规配套电磁换向阀为正作用型，采用反作用型应在订货时说明。液压系统与阀门本体可以是整体式安装，也可分开装。用户未作特殊说明时为整体式安装。蓄能器采用立体式布置时均为分体式安装。 Flow control valve uses in start the valve time adjustment,the adjustment scope sees fifth.Manual pumps uses in under the system debugging and the special operating mode valve opens shuts.Hydraulic system electromagnetism cross valve control characteristic generally for function,namely:The solenoid valve results in the electricity reed valve to operate the valve,to lose the electricity reed valve to close velve;Otherwise for the reaction,namely the solenoid valve loses the electricity reed valve to operate the valve,the electricity reeed valve closes the valve.The conventional necessary electromagentism cross valve for the function,is using the reaction to supposed in the ordering time explained.Hydraulic system and the valve main body may be the integral-type installment,also may separate the installment. The user has not given when the special explanation for integral-type installment.The accumulator type uses when the vertical arrangement for minute writing style installment. 电器控制方式说明Electricity control mode explanation 电器控制系统按主逻辑元件类别分为普通继电型和PLC型智能控制型，出厂配套一般为普通继电型，需PLC智能控制型应在订货时说明。按液压系统类别分为普通型、B型、S型、X型、XS型等，每类中又分为离心泵、轴流泵和水轮机等使用工况。其中：开阀离心泵（含离心式混流泵）工况：先启动泵，延迟预定时间后开阀，或泵阀同时启动。开阀轴流泵（含轴流式混流泵）工况:先开阀至一定角度，再启动泵，或泵阀同时启动。开阀水轮机工况；先开启旁通阀平衡压力，再开阀，后开启水轮机。各种工况一般要求要在管道主机停机或控制回路和远程联动控制回路。就地控制回路主要用于现场调试，正常工作时一般均使用远程联动控制回路。系统动力电源为AC380V,控制电源可以AC220V,DC220V,DC110V或其他电源等级。电液控制原理详细说明参数看我公司各类夜空蝶阀产品（安装使用说明书）用户订货时详细说明主逻辑元件类别、液压系统类别、管道主机联动方式，换向阀控制特征、控制电源等级等具体使用工况条件。我公司可按用户的不同要求进行一定调整，并可根据用户特殊工况要求单独进行设计。 Electricity control system divedes into according to the host logical element category ordinary continues the electrical form and the PLC intelligence control.leaves the plant necessary generally for ordinary continues the electrical form,needs the PLCintellingence control to supposed when the ordering explained .Divedes into,B ordinary according to the hydraulic sys category,S,X,XS and so on,in each kind divedes into use operating mode and so on the centrifugal pump,axial flow pump and hydraulic turbine,Among;Operates the valve centrifugal pump(to cintain centrifugal-type interflow to pump)tFirst starts pump,after retards thescheduled time to operate the valve,or the pump valve also starts.Operates the valve axial flow pump(to cintain centrifugal-type interflow to pump) he operating mode;First operates the valve to the certain angle,then starts pump,or the pump valve also starts.Opens the valve hydraulic turbine operating mode;First opens the by-pass valve counter-pressure,then operates the valve,latter opens the hydraulic turbine.Each kind of operating mode general request or controls the power source in the pipeline main engine engine off to lose the electricity simultaneously the closure valve;Also mighyfirst Guan Fazhi the certain angle, then the interconnection stop pumps,or”thepipeline main engine off”will design the valve to shut down sufficiently wants the condition.Electricity control system has the control loop and the long-distance linkage control loop.The control loop mainly uses in the scene debugging.when normal work generally uses the long-distance linkage control loop,System power power source is AC308V,controls the power source to be allowed to be AC220V,DC200V,DC100V or other power source ranks.When user ordering please in detail said the enlightened ruler logical element category,the hydraulic system category,the pipeline main engine linkage way,cross valve control characteristic,the control power source rank and so on the concrete use operating mode condition.The our company may carry on the certain adjustment addording to user’s different request,and may alone carry on the design according to the user special operating mode request. 蓄能式全液控止回蝶阀连接尺寸 Energy storage tank type full hydraulic control Check Butterfly Valve Connection Dimension 
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