CN208967133U - A kind of emptying bottom outlet work valve group - Google Patents

Abstract

It is disclosed by the utility model to belong to hydraulic set technical field, specifically related to a kind of emptying bottom outlet work valve group, the work valve group is safe and reliable, it can efficiently adjust and be vented water flow, long service life, maintenance is convenient, securely and reliably, failure rate is low, it can replace in groups, it is low in cost, this work valve group can efficiently adjust and be vented water flow, long service life, maintenance is convenient, securely and reliably, failure rate is low, characteristics of compact layout, manufacture and replacement cost are cheap, to engineering actual use in be of great significance and great economic benefit, the valve group is equipped with electronic cone valve and maintenance butterfly valve, it is poor to solve adjusting and emptying water flow effects when valve group changes greatly in entire working range because of flowrate amplitude, maintenance is complicated, high failure rate, design, manufacture and the high problem of maintenance cost.

Description

A kind of emptying bottom outlet work valve group

Technical field

The utility model relates to hydraulic set technical field, specially a kind of emptying bottom outlet work valve group.

Background technique

Electronic cone valve be widely used in reservoir, water system, power station, used in freely the discharging of by-passing valve.Each large and medium-sized It is generally existing in reservoir: to irrigate and use when being for general on low water level, can be used for depressurizing flow control in pipeline.It is running Cavitation erosion and vibration are not generated in working range.Even if there are good control flow rate effects when stroke is considerably less.It is being discharged into When in air, water flow is spread with wide angle of taper, and is decomposed into thin spray form, air is mixed with water, but existing Structure is complicated for cone valve, is not easy to maintenance and adjusting, higher cost, high failure rate, for this purpose, it is proposed that a kind of freely adjustable With the emptying bottom outlet work valve group of emptying bottom outlet rate of discharge to user's desired value.

Utility model content

The purpose of this utility model is to provide a kind of emptying bottom outlet work valve groups, to solve to propose in above-mentioned background technique But existing electronic taper valve regulation and emptying water flow effects are poor, structure is complicated, be not easy to repair and adjust, design, manufacture and The problem of replacement cost is higher, high failure rate.

To achieve the above object, the utility model provides the following technical solutions: a kind of emptying bottom outlet work valve group, including with The upstream companion flange of water (flow) direction inlet upstream steel-pipe welding, Parallel to the flow direction is sequentially installed with upstream from the steel pipe of upstream Companion flange, maintenance butterfly valve, telescopic joint, electronic cone valve, downstream companion flange, emptying steel pipe, the highest of the emptying steel pipe Point, which is provided with, mends exhaust valve II, and medium water is vented steel pipe and enters the outlet of emptying bottom outlet, is introduced directly into stilling pond, the upstream is matched To between flange and maintenance butterfly valve, between maintenance butterfly valve and telescopic joint, between telescopic joint and electronic cone valve, electronic cone valve with It is tight that bolt fastener I, bolt fastener II, bolt fastener III, bolt fastener IV are passed sequentially through between the companion flange of downstream It connects firmly and connects, the operation of the electronic cone valve is driven by the electric device being arranged in outside shell to be completed, and the electronic cone valve is most Exhaust valve I is mended in high point setting, and the bottom of the electronic cone valve is equipped with sewage pipe, the bottom of the maintenance butterfly valve be welded with The fixed fulcrum bearing of ground, is provided with bypass system, institute between water (flow) direction inlet upstream steel pipe and electronic cone valve Stating bypass system includes that the first bypass overhauls gate valve, and the left side siphunculus of the first bypass maintenance gate valve is connected with release valve ball, The second bypass maintenance gate valve has been bolted on the left of the release valve ball, has been connected between each by-passing valve by bypass line Logical, the bottom of the electronic cone valve is welded with the fixed mounting of fixed electronic taper valve shell.

Preferably, the work valve group is provided with electronic cone valve, and described its shell of electronic cone valve passes through fixed installation Seat is fixed, sets extension type core assembly in the shell, the electronic cone valve peripheral hardware electric device is driven using electric device The moving displacement of extension type core assembly in dynamic shell freely discharges and turns off emptying bottom outlet rate of discharge.

Preferably, the work valve group, which is provided with, mends exhaust valve I and mends exhaust valve II, and work valve group is stopped at runtime Electricity will appear vibration or rupture that negative pressure causes pipeline when termination of pumping, and mending exhaust valve I at this time and mend exhaust valve II can be with Rapidly draw air into pipeline.

Preferably, the first bypass maintenance gate valve, the second bypass maintenance gate valve are that manual bypass overhauls gate valve.

Preferably, the fulcrum bearing and fixed mounting are abrasion-proof stainless steel pedestal.

Compared with prior art, the utility model has the beneficial effects that

1) service using life is long, and maintenance and debugging is convenient, securely and reliably, can Group Design, manufacture and replacement cost it is low It is honest and clean, to hydraulic engineering actual use in be of great significance and great economic benefit；

2) device is equipped with electronic cone valve, which will not generate cavitation erosion and vibration in entire working range, pressure, Flowrate amplitude variation still has greatly good flow control effect.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model bypass system structural schematic diagram.

In figure: 1 upstream steel pipe, 2 upstream companion flanges, 3 maintenance butterfly valves, 3.1 fulcrum bearings, 4 telescopic joints, 5 electronic tapers Exhaust valve I, 5.3 shells, 5.4 extension type core assemblies, 5.5 fixed mountings, 5.6 blowdowns are mended in valve, 5.1 electric devices, 5.2 Exhaust valve II, 9 bypass systems, 9.1 first bypass maintenance gate valves, 9.2 bypass are mended in pipe, 6 downstream companion flanges, 7 emptying steel pipes, 8 Ball valve, 9.3 second bypass maintenance gate valves, 9.4 bypass lines, 10 bolt fasteners I, 11 bolt the bolt fastening of fastener II, 12 Part III, 13 bolts fastener IV.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of emptying bottom outlet works valve group, including with water The upstream companion flange 2 that direction inlet upstream steel pipe 1 welds is flowed, Parallel to the flow direction is sequentially installed with from upstream steel pipe 1 Companion flange 2, maintenance butterfly valve 3, telescopic joint 4, electronic cone valve 5, downstream companion flange 6, emptying steel pipe 7 are swum, emptying steel pipe 7 Highest point, which is provided with, mends exhaust valve II 8, and medium water enters emptying bottom outlet through emptying steel pipe 7 and exports, and is introduced directly into stilling pond, upstream Between companion flange 2 and maintenance butterfly valve 3, between maintenance butterfly valve 3 and telescopic joint 4, between telescopic joint 4 and electronic cone valve 5, electricity Bolt fastener I 10, bolt fastener II 11, bolt fastener III are passed sequentially through between dynamic cone valve 5 and downstream companion flange 6 12, bolt fastener IV 13 fastening connection, the operation of electronic cone valve 5 have been driven by the electric device 5.1 being arranged in outside shell At exhaust valve I 5.2 is mended in electronic 5 highest point of cone valve setting, and the bottom of electronic cone valve 5 is equipped with sewage pipe 5.6, overhauls butterfly The bottom of valve 3 is welded with the fulcrum bearing 3.1 fixed with ground, water (flow) direction inlet upstream steel pipe 1 and electronic cone valve 5 it Between be provided with bypass system 9, bypass system 9 include first bypass overhaul gate valve 9.1, first bypass maintenance gate valve 9.1 left side Siphunculus is connected with release valve ball 9.2, and the second bypass maintenance gate valve 9.3, each side has been bolted in the left side of release valve ball 9.2 It is connected between port valve by bypass line 9.4, the bottom of electronic cone valve 5 is welded with the fixation of fixed electronic 5 shell of cone valve Mounting base 5.5.

Wherein, work each component of valve group between characteristics of compact layout, can Group Design, manufacture and replacement, work valve group be provided with The shell 5.3 of electronic cone valve 5, electronic cone valve 5 is fixed by fixed mounting 5.5, the extension type valve set in shell 5.3 Core assembly 5.4 is freely slidable, electronic cone valve peripheral hardware electric device 5.1, is driven using electric device scalable in shell The discharge and shutdown of the completion free to slide emptying bottom outlet outlet stream of formula core assembly 5.4, when system failure, medium flow field When speed is more than normal flow, maintenance butterfly valve 3 can cut off rapidly medium, overhaul to system, prevent fault spread, improve The service using life, since general source water contains the dirts such as silt, impurity, long-time service will cause electronic cone valve 5 and operate It is not smooth, therefore the bottom of electronic cone valve 5 is equipped with sewage pipe 5.6, periodically automatically turns on blowdown by sewage pipe 5.6, improves The service life of electronic cone valve 5, work valve group are provided with I 5.2 and mend exhaust valve II 8, securely and reliably, good operation performance, Work valve group occurs having a power failure at runtime, will appear vibration or rupture that negative pressure causes pipeline when termination of pumping, mends at this time Exhaust valve I 5.2 and benefit exhaust valve II 8 can rapidly be drawn air into pipeline, prevent pipe vibration or rupture, the first bypass Overhauling the bypass maintenance gate valve 9.3 of gate valve 9.1, second is that manual bypass overhauls gate valve, and fulcrum bearing 3.1 and fixed mounting 5.5 are equal For abrasion-proof stainless steel pedestal, intensity, toughness, wearability are higher, increase the durability of pedestal.

Working principle: when in use, the shell 5.3 of electronic cone valve 5 is solid by fixed mounting 5.5 for the New Scheme Fixed, the extension type core assembly 5.4 set in shell 5.3 is freely slidable, is driven using electronic cone valve peripheral hardware electric device 5.1 Extension type core assembly 5.4 in dynamic shell is free to slide, completes the discharge and shutdown of emptying bottom outlet outlet stream, works as system It breaks down, when velocity of medium is more than normal flow, the maintenance butterfly valve 3 can cut off rapidly medium, overhaul to system, prevent Only fault spread improves the service using life, and New Scheme characteristics of compact layout between each component when in use is easy to tear open Dress is carried and maintenance, is worked valve group through Group Design and the emptying bottom outlet of manufacture, and long service life, maintenance and debugging is convenient, can be at Group replacement, it is low in cost, safe and reliable, to hydraulic engineering actual use in be of great significance and great economic benefit.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. The valve group 1. a kind of emptying bottom outlet works, including the upstream companion flange welded with water (flow) direction inlet upstream steel pipe (1) (2), it is characterised in that: Parallel to the flow direction is sequentially installed with upstream companion flange (2), maintenance butterfly valve from upstream steel pipe (1) (3), telescopic joint (4), electronic cone valve (5), downstream companion flange (6), emptying steel pipe (7), the highest of emptying steel pipe (7) Point, which is provided with, mends exhaust valve II (8), and medium water enters emptying bottom outlet through emptying steel pipe (7) and exports, and is introduced directly into stilling pond, described Between upstream companion flange (2) and maintenance butterfly valve (3), between maintenance butterfly valve (3) and telescopic joint (4), telescopic joint (4) and electronic cone It is tight that bolt fastener I (10), bolt are passed sequentially through between shape valve (5), between electronic cone valve (5) and downstream companion flange (6) Firmware II (11), bolt fastener III (12), bolt fastener IV (13) fastening connection, the operation of the electronic cone valve (5) It is driven and is completed by the electric device (5.1) being arranged in outside shell, exhaust valve I is mended in electronic cone valve (5) the highest point setting (5.2), the bottom of the electronic cone valve (5) is equipped with sewage pipe (5.6), it is described maintenance butterfly valve (3) bottom be welded with The fixed fulcrum bearing (3.1) of ground, is provided between water (flow) direction inlet upstream steel pipe (1) and electronic cone valve (5) Bypass system (9), the bypass system (9) include that the first bypass overhauls gate valve (9.1), the first bypass maintenance gate valve (9.1) left side siphunculus is connected with release valve ball (9.2), has been bolted second on the left of the release valve ball (9.2) Bypass overhauls gate valve (9.3), is connected between each by-passing valve by bypass line (9.4), the bottom weldering of the electronic cone valve (5) It is connected to the fixed mounting (5.5) of fixed electronic cone valve (5) shell.
2. The valve group 2. a kind of emptying bottom outlet according to claim 1 works, it is characterised in that: the work valve group is provided with electricity Dynamic cone valve (5), described its shell (5.3) of electronic cone valve (5) is fixed by fixed mounting (5.5), the shell (5.3) It inside sets extension type core assembly (5.4), the electronic cone valve peripheral hardware electric device (5.1), is driven using electric device outer The moving displacement of extension type core assembly (5.4) in shell freely discharges and turns off emptying bottom outlet rate of discharge.
3. The valve group 3. a kind of emptying bottom outlet according to claim 1 works, it is characterised in that: the work valve group, which is provided with, mends Exhaust valve I (5.2) and benefit exhaust valve II (8), work valve group occur having a power failure at runtime, will appear negative pressure when termination of pumping The vibration or rupture of pipeline are caused, pipe can rapidly be drawn air by mending exhaust valve I (5.2) at this time and mending exhaust valve II (8) In road.
4. The valve group 4. a kind of emptying bottom outlet according to claim 1 works, it is characterised in that: the first bypass maintenance gate valve (9.1), the second bypass maintenance gate valve (9.3) is that manual bypass overhauls gate valve.
5. The valve group 5. a kind of emptying bottom outlet according to claim 1 works, it is characterised in that: the fulcrum bearing (3.1) and consolidate Determining mounting base (5.5) is abrasion-proof stainless steel pedestal.