CN205369383U - Water supply installation with pressure compensation of intaking - Google Patents

Abstract

The utility model discloses a water supply installation with pressure compensation of intaking, it can only the too big phenomenon of one -way compensation water consumption to have solved among the prior art high -rise building water supply installation, and its technical scheme main points are including the constant flow compensator who is connected with the water pipe net, constant flow compensator separates for ordinary pressure chamber and pressure boost energy storage compensated cavity each other, ordinary pressure chamber and the equal separate connection of pressure boost energy storage compensated cavity to user water supply network, still be provided with the hydraulically controlled check valve of opening towards user water supply network between the export in ordinary pressure chamber and the export of pressure boost energy storage compensated cavity, the control mouth of hydraulically controlled check valve is connected to the inner chamber in ordinary pressure chamber, has reached coming from the technological effect that user water supply network pressure carries out pressure compensation and regulation and control.

Description

With the water supply installation that intake pressure compensates

Technical field

This utility model relates to a kind of high rise building water supply device, more specifically, it relates to a kind of high-rise water supply installation with water pressure compensation function.

Background technology

Along with being on the increase of urban population, incity, city skyscraper is on the increase, increasing for the confession systematic research in skyscraper.Generally being called lower zone by 1 to 17 layer in high-rise, 18 to 35 layers are called middle layer region, and 36 layers start to be called high rise zone, when supplying water in centering high rise zone, it is generally required to secondary pressurized.

At present, relatively conventional is storage tank or cistern mode, tap water pipe network and user network are isolated, thus tap water pipe network will not be produced negative pressure impact during user is supplied water, but, the mode adopting water storage box needs to be separately provided water tank in building, do not only take up bigger construction area, and the restriction of the volume due to water storage box itself, need to open water pump frequently and water storage box is carried out moisturizing, further, this pressurization way of supplying water is due to the setting of water storage box, it is easy to cause the pollution of water；Also having a kind of relatively advanced secondary booster mode is multi-stage relay constant pressure water supply system; namely the partitioned mode in aforesaid three districts is utilized; single-stage constant pressure water supply equipment it is respectively mounted in the bottom in each district; then three complete equipment cascades are constituted; when the constant pressure water supply system of this multi-stage relay formula starts when hydropenia or maintenance and closes; need to carry out in strict accordance with the order of three grades, otherwise easily cause the disorderly closedown phenomenon of water pump.

The applying date is 2014.12.22, application number be 201410801701.5 application for a patent for invention (hereinafter referred to as documents 1) disclosed in a kind of bicavate constant pressure water supply equipment, being characterized in that in water system increases a high pressure chest and a steady flow compensator, the wherein similar accumulator of the effect of high pressure chest, with in water low peak period, directly stop water pump, the earth pressure release of high pressure chest is out supplied water.High pressure cavity pressure in documents 1 is only for using the water supply during water ebb, now, pressure in high pressure chest initially enters in steady flow compensator, that now there will be a problem: the water of high pressure chest flows into the process of steady flow compensator and is equivalent to a process reducing hydraulic pressure, and between water system hydraulic pressure deficiency or steady flow compensator and user's water supply network after water pump stall, the press water of high pressure chest is after the blood pressure lowering of steady flow compensator, and hydraulic pressure is also difficult to meet water supply requirement.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of water supply installation compensated with intake pressure that entrance user's water supply network can directly carry out intake pressure compensation.

For achieving the above object, this utility model provides following technical scheme: a kind of water supply installation compensated with intake pressure, including the steady flow compensator being connected with tap water pipe network, described steady flow compensator is divided into common pressure chamber and supercharging accumulation of energy compensated cavity mutually, described common pressure chamber and supercharging accumulation of energy compensated cavity are all connected individually to user's water supply network, being additionally provided with the opening hydraulic control one-way valve towards user's water supply network between outlet and the outlet of supercharging accumulation of energy compensated cavity of described common pressure chamber, the mouth that controls of described hydraulic control one-way valve is connected to the inner chamber of common pressure chamber.

By adopting technique scheme, owing to common pressure chamber and supercharging accumulation of energy compensated cavity all individually supply water to user's water supply network, therefore, as long as suitable opportunity by supercharging accumulation of energy compensated cavity in store hydraulic pressure directly discharge the compensation that can realize intake pressure to user's water supply network, eliminate supercharging accumulation of energy compensated cavity is connected to by prior art common pressure chamber enter back into user make a deposition net pressure release, and, owing to common pressure chamber and supercharging accumulation of energy compensated cavity are connected to tap water pipe network, therefore, both pressure under normal conditions is consistent, therefore, no matter tap water flows into user's water supply network from which chamber, all can ensure that the hydraulic pressure that user obtains both had been not less than hydraulic pressure value under normal circumstances, without higher than normal hydraulic pressure value.When the hydraulic pressure of tap water pipe network is relatively low be difficult to meet demand time, there is pressure reduction in the control mouth pressure at two ends value of hydraulic control one-way valve, and valve port is opened, and hereafter, press water in supercharging accumulation of energy compensated cavity enters in user's water supply network, it is ensured that intake pressure constant.

This utility model is further arranged to: be additionally provided with pressurizer between described tap water pipe network and described supercharging accumulation of energy compensated cavity.

By adopting technique scheme, when hydraulic pressure from tap water pipe network is relatively low, the pressure of the tap water of supercharging accumulation of energy compensated cavity storage is without higher than this value, the intake pressure when hydraulic pressure that is difficult to meet in user's water supply network is too low compensates left and right, therefore, in supercharging accumulation of energy compensated cavity and one pressurizer of supercharging between boiled water pipe network, before tap water enters supercharging accumulation of energy compensated cavity, this part water is carried out independent supercharging, so as to slightly above the hydraulic pressure value of common pressure chamber, so, once the hydraulic pressure in common pressure chamber is lower than standard value, it is compensated by the hydraulic pressure then discharged in supercharging accumulation of energy compensated cavity immediately, ensure to lead to the water pressure invariableness of user's water supply network.

This utility model is further arranged to: be additionally provided with two inlet pipelines in parallel between described common pressure chamber with user's water supply network.

By adopting technique scheme, according to urban water supply network relevant regulations, the supply equipment requiring user's water supply network ensures the using and the reserved, namely two set equipment in parallel are operated to select a mode, the namely form of two inlet pipelines in this utility model, when an inlet pipeline therein breaks down, another inlet pipeline works, it is possible to reduce the maintenance probability of cutting off the water of user's water supply network.

This utility model is further arranged to: described inlet pipeline includes two water pumps and is connected to the check valve between two water pumps, said two water pump connects in parallel and is driven by same motor, and described check valve is connected between said two water delivery side of pump.

By adopting technique scheme, the pumping pressure of water pump directly affects the hydraulic pressure that user's water supply network obtains, therefore, water delivery side of pump Isobarically Control is very necessary, the form adopting two water pumps in parallel can stablize the pressure of supply water of user's water supply network to greatest extent, further, adopt the form that double water pump is in parallel, reduce the volume requirement to steady flow compensator.

This utility model is further arranged to: is provided with accumulator between outlet and the inlet pipeline of described common pressure chamber, is additionally provided with the check valve that an opening is arranged towards accumulator between described accumulator and inlet pipeline.

By adopting technique scheme, during due to two parallel pumps, step less once flow of inlet water, the form that water pump dallies easily occurs, one accumulator of porch supercharging at check valve, when from the discharge of common pressure chamber less time, the water in accumulator is flowed out by check valve, it is prevented that the dry friction that the idle running of water pump produces.

This utility model is further arranged to: be provided with constant-current stabilizer on described inlet pipeline, and described constant-current stabilizer includes current stabilization accumulator, and the exit of described current stabilization accumulator is connected to current stabilization check valve, and the opening of described current stabilization check valve is arranged towards inlet pipeline.

By adopting technique scheme, when the water of supercharging accumulation of energy compensated cavity Yu common pressure chamber returns back out situation about now cutting off the water supply under special circumstances, now, the unit fixed on water pump suction on user's water supply network does not have the supply of water, can produce the dry friction of pump, as long as and user opens faucet, the noise that cavitation is brought can be produced, be inconvenient for, this problem of solution that the current stabilization accumulator of increase can be of short duration, once recovery normal water supply, this part can be automatically switched off under the effect of hydraulic pressure.

This utility model is further arranged to: be provided with the blowoff valve for periodic cleaning common pressure chamber in described common pressure chamber.

By adopting technique scheme, can continue have water to be stored therein in common pressure chamber, and its liquid level also there are certain requirements, this just causes impurity in common pressure chamber to pile up unavoidably, affect the water quality of flowing in user's water supply network, by the setting of blowoff valve, it is possible to regular carries out blowdown cleaning to common pressure chamber, it is ensured that the clean level of the water in user's water supply network.

Accompanying drawing explanation

Fig. 1 is the structure principle chart of this utility model embodiment；

Fig. 2 is the concrete structure schematic diagram of constant-current stabilizer and inlet pipeline part.

Accompanying drawing marks: 1, tap water water inlet net；2, steady flow compensator；3, hydraulic control one-way valve；4, constant-current stabilizer；5, inlet pipeline；6, user's water supply network；7, blowoff valve；21, supercharging accumulation of energy compensated cavity；22, common pressure chamber；211, pressurizer；31, mouth is controlled；41, current stabilization check valve；42, current stabilization accumulator；51, water pump；52, check valve；53, accumulator.

Detailed description of the invention

Referring to figs. 1 through Fig. 2, this utility model embodiment is described further.

A kind of water supply installation compensated with intake pressure, as it is shown in figure 1, include tap water water inlet pipe network 1 and user's water supply network 6, wherein the water source of tap water water inlet pipe network 1 is from municipal water supplies, user's water supply network 6 be resident family use water terminal.Intake at tap water and be provided with steady flow compensator 2 between pipe network 1 and user's water supply network 6, for the discharge relation of two-ways regulation water Yu water supply.Being provided with inlet pipeline 5 between steady flow compensator 2 and user's water supply network 6, the relevant regulations according to municipal water use equipment, inlet pipeline 5 has two lines road, two lines road a preparation and a use, it is prevented that make troubles to resident family's use water during line maintenance.Steady flow compensator 2 is divided into two separate chambers: supercharging accumulation of energy compensated cavity 21 and common pressure chamber 22, and wherein, common pressure chamber 22 receives intakes the tap water of pipe network 1 carry out current stabilization from tap water, and its outfan connects inlet pipeline 5.

nullFluctuation is there is during due to hydraulic pressure in municipal water supplies，Sometimes over normal pressure of supply water，Sometimes (such as water use peak phase) again can lower than normal water supply pressure，It is difficult to meet the requirement of the water pressure invariableness in user's water supply network 6，Therefore，The present embodiment introduces hydraulic control one-way valve 3，And control mouth 31 thereon is connected to the water outlet of common pressure chamber 22，Water source from tap water water inlet pipe network 1 is connected directly in supercharging accumulation of energy compensated cavity 21 and common pressure chamber 22，The hydraulic pressure of two intracavity keeps consistent，Now，Control mouth 31 and detect the common pressure chamber 22 output hydraulic pressure value to inlet pipeline 5，Once this value lower than the hydraulic pressure value of storage in supercharging accumulation of energy compensated cavity 21，Control mouth 31 to be opened by the valve port of hydraulic control one-way valve 3 under the effect of pressure difference value，So，By the valve port that hydraulic control one-way valve 3 is opened, the press water in supercharging accumulation of energy compensated cavity 21 is flowed into the interior hydraulic pressure difference to supercharging accumulation of energy compensated cavity 21 between common pressure chamber 22 of inlet pipeline 5 compensate，Ensure that the hydraulic pressure value flowed in inlet pipeline 5 maintains a constant value.

nullAs preferably，The water inlet of supercharging accumulation of energy compensated cavity 21 is provided with pressurizer 211，So arrange and be advantageous in that: the hydraulic pressure from tap water pipe network 1 is just difficult to meet the water supply requirement of skyscraper sometimes when opening and supplying water，And the foundation compensating hydraulic pressure in supercharging accumulation of energy compensated cavity 21 depends on the intake pressure of tap water pipe network 1，Even if therefore the hydraulic pressure in supercharging accumulation of energy compensated cavity 21 being discharged, the hydraulic pressure in inlet pipeline 5 is compensated，It also is difficult to the hydraulic demand meeting in user's water supply network 6 of skyscraper，Therefore，The pressurizer 311 set up in supercharging accumulation of energy compensated cavity 21 import department can be arranged on a constant hydraulic pressure value，The stable water pressure ensured in supercharging accumulation of energy compensated cavity 21 is or slightly above in influent pressure force value necessary to inlet pipeline 5 at one，Ensure the water pressure compensation effect of supercharging accumulation of energy compensated cavity 21.

Further, in order to prevent transience in tap water pipe network 1 from cutting off the water on the impact on inlet pipeline 5, a constant-current stabilizer 4 was set up before inlet pipeline 5, as shown in Figure 2, current stabilization check valve 41 and current stabilization accumulator 42 is included in constant-current stabilizer 4, under normal water supply state, a certain amount of press water can be stored in current stabilization accumulator 42 and carry out accumulation of energy storage, once the underfed that intermittence occurs in tap water pipe network 1 is even cut off the water supply, press water in current stabilization accumulator 42 can open the valve port of current stabilization check valve 41, the water stored temporarily is supplied to inlet pipeline 5, components and parts in protection inlet pipeline 5.

In addition, inlet pipeline 5 includes two parallel connections and is subject to the water pump 51 of same drive motor driving, is connected to check valve 52 between the two and is arranged on the accumulator 53 of check valve 52 import department, under normal condition, two water pump 51 parallel operations, the requirement of big flow can be met when adopting small dimension water pump, and, dally to prevent water pump 51, the check valve 52 and the accumulator 53 that increase can discharge certain water in water pump 51 during hydropenia, thus preventing water pump 51 idle running from producing dry friction.

As preferably, being provided with blowoff valve 7 in the bottom of common pressure chamber 22, after steady flow compensator 2 uses a period of time, it is possible to disconnect water source, by blowoff valve 7, common pressure chamber 22 is carried out and blowdown process.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (7)

1. the water supply installation compensated with intake pressure, including the steady flow compensator being connected with tap water pipe network, it is characterized in that: described steady flow compensator is divided into common pressure chamber and supercharging accumulation of energy compensated cavity mutually, described common pressure chamber and supercharging accumulation of energy compensated cavity are all connected individually to user's water supply network, being additionally provided with the opening hydraulic control one-way valve towards user's water supply network between outlet and the outlet of supercharging accumulation of energy compensated cavity of described common pressure chamber, the mouth that controls of described hydraulic control one-way valve is connected to the inner chamber of common pressure chamber.

2. the water supply installation compensated with intake pressure according to claim 1, is characterized in that: be additionally provided with pressurizer between described tap water pipe network and described supercharging accumulation of energy compensated cavity.

3. the water supply installation compensated with intake pressure according to claim 1, is characterized in that: be additionally provided with two inlet pipelines in parallel between described common pressure chamber with user's water supply network.

4. the water supply installation compensated with intake pressure according to claim 3, it is characterized in that: described inlet pipeline includes two water pumps and is connected to the check valve between two water pumps, said two water pump connects in parallel and is driven by same motor, and described check valve is connected between said two water delivery side of pump.

5. the water supply installation compensated with intake pressure according to claim 3, it is characterized in that: be provided with accumulator between outlet and the inlet pipeline of described common pressure chamber, between described accumulator and inlet pipeline, be additionally provided with the check valve that an opening is arranged towards accumulator.

6. the water supply installation compensated with intake pressure according to claim 4, it is characterized in that: described inlet pipeline is provided with constant-current stabilizer, described constant-current stabilizer includes current stabilization accumulator, the exit of described current stabilization accumulator is connected to current stabilization check valve, and the opening of described current stabilization check valve is arranged towards inlet pipeline.

7. the water supply installation compensated with intake pressure according to claim 1, is characterized in that: be provided with the blowoff valve for periodic cleaning common pressure chamber in described common pressure chamber.