CN209243818U

CN209243818U - A kind of branched network waterpower buffer unit

Info

Publication number: CN209243818U
Application number: CN201821649259.9U
Authority: CN
Inventors: 谢芳; 周永生; 王利锋
Original assignee: Shanghai Bangpu Industrial Group Co Ltd
Current assignee: Shanghai Bangpu Industrial Group Co Ltd
Priority date: 2018-05-28
Filing date: 2018-10-11
Publication date: 2019-08-13
Anticipated expiration: 2028-10-11

Abstract

The utility model relates to a kind of branched network waterpower buffer units, including pipe network buffer unit and micro-resistance slowly-closed check device, pipe network buffer unit is connected with micro-resistance slowly-closed check device and is installed in the upstream of the inlet valve on branched network together, the water flow of branched network passes sequentially through pipe network buffer unit, micro-resistance slowly-closed check device and inlet valve, the pipe network buffer unit is the pipeline of one section of annular trend, and the micro-resistance slowly-closed check device is Tiny Drag Slow Shut Check Valves.The pipe network buffer unit of curve trend reduces water hammer pressure; micro-resistance slowly-closed check device is cooperated to extend the shut-in time; impact of the pipe network to the impact and water hammer pressure of equipment to pipe network effectively has been buffered, not only can guarantee user's normal water supply, but also protective effect is played to pipe network.

Description

A kind of branched network waterpower buffer unit

Technical field

The utility model relates to tap water pipe network technical field more particularly to supply line, in particular to a kind of dendritic pipe Net waterpower buffer unit.

Background technique

With the continuous improvement of China's level of urbanization, town buildings increasingly tends to high stratification, results in city public affairs It supplies water altogether or self-built water facilities is difficult to meet the needs of high-rise crowd's water.The research and development of secondary water-supply equipment then compensate for municipal administration The defect of water supply line insufficient pressure, it be realized on the basis of national city planting ductwork or resident use by oneself supply equipment it is secondary It supplies water, to meet inhabitation, live in the needs of high-rise crowd's water.Compared to raw water supply water, the safety of secondary water-supply and Reliability is always all by the extensive concern of citizen.Wherein, the water supply line as secondary water-supply equipment chief component, Security performance is even more important.

It is branched network water supply pattern for most of current tap water pipe network.Numerous producers release frequency-changing water supply devices and Non-negative pressure water-supply device, the Hydraulic Transient after there is the sharp cut-off situation of inlet valve or valve can cause forefront pressure prominent It so increases, causes tap water pipe network pressure oscillation and pipeline damaged.

Utility model content

The utility model is in view of the above-mentioned problems, provide a kind of branched network waterpower buffer unit.

The purpose of this utility model can be realized by following technical proposals: a kind of branched network waterpower buffer unit, Including pipe network buffer unit and micro-resistance slowly-closed check device, the pipe network buffer unit be connected with micro-resistance slowly-closed check device and It is installed in the upstream of the inlet valve on branched network together, the water flow of branched network passes sequentially through pipe network buffering dress It sets, micro-resistance slowly-closed check device and inlet valve, the pipeline that the pipe network buffer unit moves towards for one section of annular, micro- resistance delay Apolipsis return device is Tiny Drag Slow Shut Check Valves.

Traditional way of supplying water is using motor-driven valve, solenoid valve or remote control float valve come the company of on-off and tap water pipe network It connects, the mutation of the waterpower due to caused by pump valve produces and the damage accident into water pipe network is caused to occur again and again into water water hammer, to use Family life and pipe network service life all cause adverse effect.And utility model has the advantages that the pipe network of curve trend buffers dress It sets and reduces water hammer pressure, cooperation micro-resistance slowly-closed check device extends the shut-in time, effectively eliminates above-mentioned drawback, both can guarantee User's normal water supply, and protective effect is played to pipe network.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

It is marked in figure as follows:

1 pipe network buffer unit, 2 micro-resistance slowly-closed check devices.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing, becomes apparent from those skilled in the art How ground understanding practices the utility model.Although describing the utility model in conjunction with its preferred embodiment, these Embodiment only illustrates, rather than limits the scope of the utility model.

Referring to Fig. 1, a kind of branched network waterpower buffer unit, including pipe network buffer unit and micro-resistance slowly-closed check device, The pipe network buffer unit is connected with micro-resistance slowly-closed check device, and the pipe network buffer unit is the pipe of one section of annular trend Road, the micro-resistance slowly-closed check device are Tiny Drag Slow Shut Check Valves.

Pipe network buffer unit and micro-resistance slowly-closed check device are installed on to the water inlet of the inlet valve upstream on branched network On pipeline, the water flow of branched network passes sequentially through pipe network buffer unit, micro-resistance slowly-closed check device and inlet valve.Work as inlet valve (the water pump start and stop of such as branched network cause to cut between negative pressure and positive pressure along becoming for door closing suddenly or inlet valve rear end waterpower Change), cause inlet valve forefront pressure to rise suddenly and generate water hammer.According to the dynamic theory of transient pipe flow, before valve pressure with Valve closing time and water inlet pipe trend have relationship, and extreme water hammer pressure reduces with the extension for closing valve times, using song Line closes the water hammer pressure generated and is less than the water hammer pressure that straight line is closed, therefore the more former straight line of water hammer generated through pipe network buffer unit Pipeline is reduced, and pipe network buffer unit has effectively buffered impact of the pipe network to equipment, has also buffered pressure transient to pipe network Impact, the effective non-return of micro-resistance slowly-closed check device, while extending the shut-in time effectively reduces water hammer pressure.

The waterpower buffer unit plays the role of very big for eliminating water hammer, network security and equipment safety.It can answer extensively The secondary water-supplies pressurized equipment such as water supply, variable frequency water supply front end is laminated for no negative pressure, also can be applied to old pipe network improving item Mesh can enhance the ability to bear of pipe network.

The both ends of pipe network buffer unit are flange arrangement.Cast iron, stainless steel can be used in the material of pipe network buffer unit The alloy material of matter or other specific uses can be widely applied to branched network liquid transportation art.Food, petroleum, chemical industry, The industries such as architectural engineering plumbing.

The design needs of pipe network buffer unit are calculated according to hydraulic model, calculate internal best runner, then in conjunction with The die sinking casting of different tube diameters demand, specification have: DN50, DN80, DN100, DN150, DN200, DN300, DN350, DN400, DN500, DN600, DN800, DN1000.

It should be pointed out that can also have a variety of transformation and the implementation of remodeling for the utility model through absolutely proving Scheme, it is not limited to the specific embodiment of above embodiment.Above-described embodiment as just the utility model explanation, and It is not limitations of the present invention.In short, the protection scope of the utility model should include those for ordinary skill It obviously converts or substitutes and retrofit for personnel, and be determined by the appended claims.

Claims

1. a kind of branched network waterpower buffer unit, which is characterized in that including pipe network buffer unit and micro-resistance slowly-closed check device, The pipe network buffer unit is connected with micro-resistance slowly-closed check device and is installed on the upper of the inlet valve on branched network together Play pipe road, the water flow of branched network pass sequentially through pipe network buffer unit, micro-resistance slowly-closed check device and inlet valve, the pipe Web buffering device is the pipeline of one section of annular trend, and the micro-resistance slowly-closed check device is Tiny Drag Slow Shut Check Valves.