CN205636910U - Public water supply equipment who is equipped with pump has been increased - Google Patents
Public water supply equipment who is equipped with pump has been increased Download PDFInfo
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- CN205636910U CN205636910U CN201620112547.5U CN201620112547U CN205636910U CN 205636910 U CN205636910 U CN 205636910U CN 201620112547 U CN201620112547 U CN 201620112547U CN 205636910 U CN205636910 U CN 205636910U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model relates to a public water supply equipment who is equipped with pump has been increased, including public pump, electric three -way ball valve, restriction valve, at least low district's booster pump and an at least upper part booster pump of being equipped with, low district booster unit is constituteed to an at least low district booster pump, upper part booster unit is constituteed to an at least upper part booster pump, low district booster pump exceedes an equipment -hour, and all low districts booster pump is parallelly connected, the upper part booster pump exceedes an equipment -hour, and all upper part booster pumps are parallelly connected, the utility model discloses energy -conserving effect is showing, because the little flux unit energy consumption of two confession equipment is too high, the energy -conserving operation of low discharge is bigger to the energy -conserving contribution rate of ensemble average, and especially when design discharge is bigger than normal when leading to equipment selection great, when occupancy rates was on the low side, energy -conserving effect was better. The utility model discloses a low district booster pump is saved to the public public pump that is equipped with that is equipped with the pump and can regards as the height district to the low cost has realized energy -conserving operation, has good technical economy.
Description
Technical field
This utility model relates to a kind of supply equipment, it is specifically related to a kind of skyscraper each separate water supply equipment that improves and joins the operating condition of pump, in can avoiding or reduce, low discharge fallback operating mode, it is achieved what high rise building water supply device energy conservation ran adds the supply equipment of public standby pump.
Background technology
Common high rise building water supply, by being vertically divided into high and low several subregion, each vertical division block uses a set of independent supply equipment, unrelated, owing to the feature of living water is that changes in flow rate scope is big, medium-small flow water supply time is long, peak period water supply time is short, and supply equipment is by maximum stream flow design selection, and this causes the supporting water pump of each water rationing equipment can be in medium-small flow operating mode for a long time, efficiency is low, and energy consumption is high.This is the one of the main reasons that current high rise building water supply equipment energy consumption is high.
Common centrifugal pump, operating mode to metered flow about 25%, pump efficiency is than rated point about drop by half, this means under conditions of identical output, low discharge water supply consumption is 2 times of big flow water supply consumption, visible improve secondary water-supply equipment working condition by managing, it is to avoid or reduce medium-small flow operating mode, there is the biggest energy-saving potential.
Utility model content
For the problems referred to above, main purpose of the present utility model is to provide a kind of skyscraper each separate water supply equipment that improves to join the operating condition of pump, in can avoiding or reduce, low discharge fallback operating mode, it is achieved what high rise building water supply device energy conservation ran adds the supply equipment of public standby pump.
This utility model solves above-mentioned technical problem by following technical proposals: a kind of supply equipment adding public standby pump, the described supply equipment adding public standby pump includes: one public for pump, electric three passes ball valve, flow-limiting valve, at least one Tai Di district booster pump and at least Yi Taigao district booster pump；At least one described Tai Di district booster pump forms low district's supercharging unit, and described at least Yi Taigao district booster pump forms high district's supercharging unit；When low district booster pump is more than one, all of low district booster pumps connected in parallel；When high district booster pump is more than one, all of high district booster pumps connected in parallel；Public standby Beng Hegao district supercharging unit is in parallel, and the inlet end of public standby pump and water outlet end are all divided into two-way, the two-way of the inlet end of public standby pump to connect with one end and the water inlet manifold of flow-limiting valve respectively；The two-way of the water outlet end of public standby pump connects with the first of electric three passes ball valve port and high district's water supply water pipe respectively；Second port of electric three passes ball valve is connected to the other end of flow-limiting valve；3rd port of electric three passes ball valve is connected on low district's water supply water pipe.
In specific embodiment of the utility model, flow-limiting valve is waterpower flow-limiting valve or electrically-controlled valve.
In specific embodiment of the utility model, water inlet manifold is provided with Pressure gauge and pressure transducer.
In specific embodiment of the utility model, high district's water supply water pipe and low district's water supply water pipe are mounted on Pressure gauge and pressure transducer.
In specific embodiment of the utility model, the pipeline that the inlet end of public standby pump and water inlet manifold connect is provided with check-valves.
In specific embodiment of the utility model, the pipeline that public standby pump, high district's supercharging unit connect with high district's water supply water pipe is provided with check-valves and maintenance valve.
In specific embodiment of the utility model, the pipeline that low district's supercharging unit connects with low district's water supply water pipe is provided with check-valves and maintenance valve.
Positive progressive effect of the present utility model is: the supply equipment adding public standby pump of this utility model offer has the following advantages:
(1), this utility model energy-saving effect is notable, because two is the highest for equipment low discharge specific energy consumptions, low discharge energy-saving run is bigger to the energy-conservation contribution rate of ensemble average, particularly when design discharge is bigger than normal cause lectotype selection bigger time, when occupancy rate is on the low side, energy-saving effect is more preferable.
(2), this utility model also can realize low noise at night operation, because belonging to minimum discharge long journey night, low district booster pump lift is low, and how many public standby pump differences on the pressure-based of area adds how many, low speed cloud runs, lift is lower, can realize low noise at night generally and run.
(3), public standby pump of the present utility model can be saved a Tai Di district booster pump as the public standby pump of high low area, to be realized with a low cost energy-saving run, have good Technical Economy.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
Provide this utility model preferred embodiment below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
Fig. 1 is overall structure schematic diagram of the present utility model, as shown in Figure 1, what this utility model provided adds the supply equipment of public standby pump, including a public standby pump 3, electric three passes ball valve 9, flow-limiting valve 2, at least Tai Di district booster pump and at least Yi Taigao district booster pump；At least one Tai Di district booster pump 1 forms low district's supercharging unit, and at least Yi Taigao district booster pump 4 forms high district's supercharging unit；When low district booster pump is more than one, all of low district booster pumps connected in parallel；When high district booster pump is more than one, all of high district booster pumps connected in parallel；Public standby pump 3 and high district's supercharging unit are in parallel, and the inlet end of public standby pump 3 and water outlet end are all divided into two-way, the two-way of the inlet end of public standby pump 3 to connect with one end and the water inlet manifold of flow-limiting valve 2 respectively；The two-way of the water outlet end of public standby pump 3 connects with the first of electric three passes ball valve 9 port and high district's water supply water pipe respectively；Second port of electric three passes ball valve 9 is connected to the other end of flow-limiting valve 2；3rd port of electric three passes ball valve 9 is connected on low district's water supply water pipe.
In concrete implementation process, flow-limiting valve 2 can elect waterpower flow-limiting valve or electrically-controlled valve as.
Pressure gauge 7 and pressure transducer 8 are installed on water inlet manifold；It is mounted on Pressure gauge 7 and pressure transducer 8 on high district's water supply water pipe and low district's water supply water pipe.
On the pipeline that the inlet end of public standby pump 3 and water inlet manifold connect, check-valves 6 is installed；On the pipeline that public standby pump 3, high district's supercharging unit connect with high district's water supply water pipe, check-valves 6 and maintenance valve 5 are installed；On the pipeline that low district's supercharging unit connects with low district's water supply water pipe, check-valves 6 and maintenance valve 5 are installed.
When high and low district low discharge supplies water, the AC mouth controlling electric three passes ball valve 9 opens (B mouth is blocked), only need to start a Tai Di district booster pump 1, while this Beng Weidi district low discharge supplies water, the prime supercharging (partial discharge of low district booster pump 1 flows to the entrance of public standby pump 3 and by public standby pump 3 supercharging again by the AC passage of tee ball valve 9, flow-limiting valve 2) also supplied water as high district low discharge, so run, the water flow of low district booster pump 1 is height two district's flow sums, owing to extending working flow, this way significantly improves.Low discharge as high district supplies water, and its prime supercharging has obtained greater efficiency, and in low district pressure-based up-conversion, rear class supercharging is run how many differences mends how many by public standby pump 3, it is possible to obtain greater efficiency.
The running that above-mentioned low discharge supplies water, the lowest district pump discharge expansion efficiency is substantially improved, high district pump also can make efficiency be promoted because of frequency reducing brownout operation, the data such as provided according to Grandfos Selection Software, to Grandfos CR20-8 pump, when its working flow is equal to metered flow 25%, during 100 meters of constant-pressure operations, the efficiency of pump is 42%, pump motor aggregate efficiency 36%.
During 60 meters of constant-pressure operations, the efficiency of pump is promoted to 48.4%, and pump motor aggregate efficiency is promoted to 42.7%；During 30 meters of constant-pressure operations, the efficiency of pump is promoted to 56.8%, pump motor aggregate efficiency is promoted to 52.5%.
When high and low district, customer flow increases to a certain degree, rule is greater than the 50% of high low area booster pump metered flow, or when being enough to make high and low district booster pump enter efficient district, flow-limiting valve 2 is automatically switched off, the inlet water source of the most public standby pump 3 automatically switches to equipment water inlet manifold.In order to each pump uses the time uniform, it is possible to control original operating each pump and shut down, use other high low area booster pump instead and put into operation.
In sum, aforesaid low discharge Energy Saving Method, the independent operating of high low area supercharging unit when not affecting big flow, and it is switched to low discharge Energy Saving Method from big flow independent operating mode, it is clear that also it is oneself but simple.
Flow-limiting valve 2 shown in Fig. 1 can use the flow-limiting valve of hydro powered, when public standby pump 3 low discharge runs, flow-limiting valve is in opening state, public standby Lai Zhiyudi district, pump 3 water source outfall sewer, when public standby pump 3 water flow is higher than flow-limiting valve rated value, flow-limiting valve is automatically switched off, and the inlet water source of public standby pump 3 automatically switches to equipment water inlet manifold, flow-limiting valve operation principle: velocity pressure ratio when mainly utilizing initial tension of spring and medium to run, controls the keying of valve internal actions element.
Equipment shown in Fig. 1, high low area supercharging unit can be with supporting more booster pump (two, the most each picture in figure) as required.
The Controlling principle realizing energy-saving run is: when high and low district low discharge supplies water, rule is less than the 50% of high low area booster pump metered flow, and equipment is run by aforementioned low discharge power save mode.When high and low district, customer flow increases to a certain degree, rule is greater than the 50% of high low area booster pump metered flow, or when being enough to make high and low district booster pump enter efficient district, abandoning aforementioned Energy Saving Method, at this moment supercharger group in high low area serves respective subregion with equipment water inlet manifold for water source pressurized water supply respectively.
When high and low district, customer flow increases further, during more than high low area booster pump metered flow, when needing to add parallel connection of pumps water supply, typically will not synchronize due to high low area customer flow to increase equally, it is possible to be introduced back into aforesaid Energy Saving Method: start public standby pump 3 with low district's supercharging unit outlet header as water source, supply water for high district and partial discharge is provided, no matter how high low area flow changes, adding the control scheduling of pump, assignment of traffic should be made reasonable, making all each pumps be in efficient district is principle.
Equipment shown in Fig. 1, public standby pump 3 is as the public standby pump of two subregions of height, when each pump in high low area is intact at ordinary times, the AC mouth of control electric three passes ball valve 9 opens (B mouth is blocked), the operation of equipment controls as previously mentioned, the most public standby pump 3, high district booster pump 4 can be the most standby, when pump is broken down in low district, the BC mouth controlling electric three passes ball valve 9 opens (A mouth is blocked), the most public standby pump 3 is run by the constant voltage desired value frequency control of low district, can use as low district stand-by pump.
This utility model energy-saving effect is notable, because two is the highest for equipment low discharge specific energy consumptions, low discharge energy-saving run is bigger to the energy-conservation contribution rate of ensemble average, particularly when design discharge is bigger than normal cause lectotype selection bigger time, when occupancy rate is on the low side, energy-saving effect is more preferable.
Also can realize low noise at night to run, because belonging to minimum discharge long journey night, low district booster pump lift is low, and how many public standby pump 3 differences on the pressure-based of area adds how many, and low speed cloud runs, lift is lower, can realize low noise at night generally and run.
Public standby pump 3 of the present utility model can be saved a Tai Di district booster pump as the public standby pump of high low area, to be realized with a low cost energy-saving run, have good Technical Economy.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications; in the range of these changes and improvements both fall within claimed this utility model, this utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. the supply equipment adding public standby pump, it is characterised in that: the described supply equipment adding public standby pump includes: one is public for pump, electric three passes ball valve, flow-limiting valve, at least one Tai Di district booster pump and at least Yi Taigao district booster pump；At least one described Tai Di district booster pump forms low district's supercharging unit, and described at least Yi Taigao district booster pump forms high district's supercharging unit；When low district booster pump is more than one, all of low district booster pumps connected in parallel；When high district booster pump is more than one, all of high district booster pumps connected in parallel；Public standby Beng Hegao district supercharging unit is in parallel, and the inlet end of public standby pump and water outlet end are all divided into two-way, the two-way of the inlet end of public standby pump to connect with one end and the water inlet manifold of flow-limiting valve respectively；The two-way of the water outlet end of public standby pump connects with the first of electric three passes ball valve port and high district's water supply water pipe respectively；Second port of electric three passes ball valve is connected to the other end of flow-limiting valve；3rd port of electric three passes ball valve is connected on low district's water supply water pipe.
The supply equipment adding public standby pump the most according to claim 1, it is characterised in that: flow-limiting valve is waterpower flow-limiting valve or electrically-controlled valve.
The supply equipment adding public standby pump the most according to claim 1 and 2, it is characterised in that: Pressure gauge and pressure transducer are installed on water inlet manifold.
The supply equipment adding public standby pump the most according to claim 1 and 2, it is characterised in that: it is mounted on Pressure gauge and pressure transducer on high district's water supply water pipe and low district's water supply water pipe.
The supply equipment adding public standby pump the most according to claim 1 and 2, it is characterised in that: on the pipeline that the inlet end of public standby pump and water inlet manifold connect, check-valves is installed.
The supply equipment adding public standby pump the most according to claim 1, it is characterised in that: on the pipeline that public standby pump, high district's supercharging unit connect with high district's water supply water pipe, check-valves and maintenance valve are installed.
The supply equipment adding public standby pump the most according to claim 1, it is characterised in that: on the pipeline that low district's supercharging unit connects with low district's water supply water pipe, check-valves and maintenance valve are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112547.5U CN205636910U (en) | 2016-02-03 | 2016-02-03 | Public water supply equipment who is equipped with pump has been increased |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112547.5U CN205636910U (en) | 2016-02-03 | 2016-02-03 | Public water supply equipment who is equipped with pump has been increased |
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| Publication Number | Publication Date |
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| CN205636910U true CN205636910U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620112547.5U Active CN205636910U (en) | 2016-02-03 | 2016-02-03 | Public water supply equipment who is equipped with pump has been increased |
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| Country | Link |
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| CN (1) | CN205636910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222126A (en) * | 2018-03-20 | 2018-06-29 | 王丽 | A kind of high-rise building is from subregion laminating water service system and method for supplying water |
| CN109208689A (en) * | 2018-10-26 | 2019-01-15 | 内蒙古工业大学 | A kind of home-use water supply auxiliary system |
-
2016
- 2016-02-03 CN CN201620112547.5U patent/CN205636910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222126A (en) * | 2018-03-20 | 2018-06-29 | 王丽 | A kind of high-rise building is from subregion laminating water service system and method for supplying water |
| CN109208689A (en) * | 2018-10-26 | 2019-01-15 | 内蒙古工业大学 | A kind of home-use water supply auxiliary system |
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