CN201794109U - Energy-saving water supply plant for high-rise building - Google Patents
Energy-saving water supply plant for high-rise building Download PDFInfo
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- CN201794109U CN201794109U CN 201020545602 CN201020545602U CN201794109U CN 201794109 U CN201794109 U CN 201794109U CN 201020545602 CN201020545602 CN 201020545602 CN 201020545602 U CN201020545602 U CN 201020545602U CN 201794109 U CN201794109 U CN 201794109U
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Abstract
The utility model discloses energy-saving water supply plant, which includes a low-zone booster set, a high-zone booster set, an auxiliary pump set, a first check valve and a second check valve. The low-zone booster set includes more than two parallel main pumps, the high-zone booster set includes more than two parallel main pumps, the auxiliary pump set includes a first auxiliary pump and a second auxiliary pump, an inlet of the first auxiliary pump is connected with a water supply, an outlet of the first auxiliary pump is connected with an outlet pipeline of the low-zone booster set through the first check valve and is connected with an inlet of the second auxiliary pump through the first check valve, and an outlet of the second auxiliary pump is connected with an outlet pipeline of the high-zone booster set. The energy-saving water supply plant improves the running work condition of the water supply pump in every section of a high-rise building, and realizes the energy-saving running in the high-rise building.
Description
Technical field
The utility model relates to a kind of energy-saving water supply equipment, particularly a kind of energy-saving water supply equipment of highrise building.
Background technology
Common high rise building water supply is by vertically being divided into height, in, low three subregions, each subregion uses one to overlap independently supply equipment water supply, unrelated, the supply equipment pump parameter of each subregion is just selected by the water requirements of local area, corresponding control system is also just controlled traffic control with the water requirements of local area to supporting water pump, because the characteristics of living water are that the changes in flow rate scope is big, middle low discharge water supply time is long, the supporting water pump of each water rationing equipment can be in middle low flow rate condition for a long time, and usually centrifugal pump is low and energy consumption is high in middle low flow rate condition efficient, and this is the high one of the main reasons of supply equipment energy consumption of present highrise building.
The energy consumption index desired value of domestic big-and-middle-sized water factory pumping plant is 0.38 degree/m at present
3MP (m
3MP is an energy consumption index unit, and every cube of water promotes 100 meters power consumption), various automatic water supply devices for building (claiming secondary water-supply equipment in the industry) energy consumption is often more than the twice of water factory's pumping plant energy consumption.The main cause that water factory's pumping plant and secondary water-supply equipment energy consumption difference are big is as follows: the pump rated efficiency of water factory's pumping plant is more than 85%, and the motor rated efficiency is more than 95%, and motor, pump all efficiently move in declared working condition, and equipment disposes, traffic control is reasonable; And the pump rated efficiency of secondary water-supply equipment is at 60-80%, and the motor rated efficiency is at 80-92%, low flow rate condition fallback during motor, pump are long-term, and equipment configuration, traffic control owe reasonable.General centrifugal pump is to the operating mode of metered flow about 25%, and the about drop by half of pump efficiency this means that under the condition of identical pressure of supply water, output the low discharge water supply consumption is the twice of big flow water supply consumption.Because building living water characteristics are that middle low discharge water supply time is long, as seen by improving the secondary water-supply equipment working condition, avoid or reduce in low flow rate condition, very big energy-saving potential is arranged.
Common conservation measures at present is to increase low-capacity pump in supply equipment, has following defective in many cases: bigger if the parameter of a low-capacity pump is selected, can bring new low discharge problem.If it is less that two low-capacity pump parameters are selected, can bring the too low problem of the efficient of low-capacity pump own, the low-capacity pump of DN40 bore usually for example, even the metered flow operation, efficient also only is about 50%.
The utility model content
Technical problem to be solved in the utility model provides a kind of energy-saving water supply equipment of highrise building, it improves the operation condition of each water rationing pump of highrise building, in can avoiding or reduce, low discharge fallback operating mode, realize the energy-saving run of high rise building water supply equipment.
For solveing the technical problem, the utility model provides a kind of energy-saving water supply equipment of highrise building, it is characterized in that, it comprises low district's supercharging unit, high district's supercharging unit, auxilliary pump assembly, first flap valve, second flap valve, low district's supercharging unit comprises main pump arranged side by side more than two, high district's supercharging unit comprises main pump arranged side by side more than two, auxilliary pump assembly comprises the first auxilliary pump and the second auxilliary pump, the inlet of the first auxilliary pump is connected with the water source, the first auxilliary delivery side of pump is connected through the export pipeline of first flap valve with low district's supercharging unit, and first auxilliary delivery side of pump also is connected through first flap valve with the inlet of the second auxilliary pump, the export pipeline that the second auxilliary delivery side of pump is distinguished the supercharging unit through second flap valve and height is connected.
Positive progressive effect of the present utility model is: the utility model utilizes the characteristics of the vertical a plurality of water rationings of highrise building, introduce auxilliary pump assembly, the water supply flow of two subregions is associated, make the traffic control of each pump of supply equipment not only will consider the local area traffic demand, also will consider the traffic demand of association area.For example when each subregion is in the low discharge water supply condition, only need to start auxilliary pump assembly, the first auxilliary pump in the auxilliary pump assembly supplies water for low district provides low discharge on the one hand, the prime supercharging of also supplying water as high district on the other hand, be connected in series with the second auxilliary pump, provide middle low discharge to supply water for the height district supplies water.So for the first auxilliary pump, the flow that is provided is height two district's flow sums, expanded working flow on the one hand, improved the operational efficiency of the first auxilliary pump, the pump that high on the other hand district supplies water need not move, the main pump low discharge operation condition of having avoided high district to supply water, thus can significantly improve the operational efficiency of complete machine supply equipment and cut down the consumption of energy.
Description of drawings
Fig. 1 is the structural representation of the energy-saving water supply equipment of the utility model highrise building.
The specific embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1, the energy-saving water supply equipment of the utility model highrise building comprises low district's supercharging unit, high district's supercharging unit, auxilliary pump assembly, first flap valve 6, second flap valve 8, wherein low district's supercharging unit comprises first low district's main pump 1 and second low district main pump 2 (quantity of low district main pump is more than two) and supporting valve pipeline thereof, the first low district main pump 1, the second low district main pump 2 connects side by side, low as required district's supercharging unit also can supporting more main pump (not drawing among the figure), high district's supercharging unit comprises the first high district main pump 4, second high district main pump 5 (quantity of high district main pump is more than two) and supporting valve pipeline thereof, the first high district main pump 4 is connected side by side with the second high district main pump 5, and high as required district's supercharging unit also can supporting more main pump (not drawing among the figure).The utility model can respectively be equipped with a flow transmitter 10 with hanging down on the pipeline of distinguishing water supply outlet 11 at the pipeline of height district water supply outlet 12, and flow transmitter is used to measure the flow of water.Also can be without flow transmitter, but come estimated flow and be used for control according to the operation condition of pressure of supply water and each pump.Auxilliary pump assembly of the present utility model comprises first a more high-lift auxilliary pump 3 and second an auxilliary pump 7 and a supporting valve pipeline than low lift, the lift of the first auxilliary pump 3 is higher than the lift of the second auxilliary pump 7, the general lift of the first auxilliary pump 3 of always selecting is identical with the lift of the first low district main pump 1 (the second low district main pump 2), the lift size of the second auxilliary pump 7 is lift poor of lift and the first low district main pump 1 (the second low district main pump 2) of the first high district main pump 4 (the second high district main pump 5), and generally this difference is always less than the lift of the first low district main pump 1 (the second low main pump 2 of distinguishing).The inlet of the first auxilliary pump 3 is connected with water source 9, the outlet of the first auxilliary pump 3 is connected through the export pipeline of first flap valve 6 with low district's supercharging unit, and the outlet of the first auxilliary pump 3 is through first flap valve 6 (or another flap valve of process, do not draw among the figure) also be connected with second inlet of assisting pump 7, the outlet of the second auxilliary pump 7 is connected through the export pipeline of second flap valve 8 and high district's supercharging unit.During actual the manufacturing, auxilliary pump assembly can carry out structure design specially, be connected by the pipeline principle of Fig. 1 with high district's supercharging unit, low district's supercharging unit like this and be combined into a complete set of equipment, also can be with the ingredient of the first auxilliary pump as low district's supercharging unit, and with the ingredient of the second auxilliary pump as height district supercharging unit, in the device structure design multiple consideration can be arranged, all be feasible as long as the pipeline catenation principle meets the principle of Fig. 1.
For realizing energy-saving effect preferably, the cooperation of the parameter of all pumps selection is the basis in the energy-saving water supply equipment of the utility model highrise building, also will design suitable traffic control rule on this basis: the parameter of general pump is selected and the traffic control rule is: by auxilliary pump assembly operation, the low discharge that provides high and low district to add up to supplies water, and all pumps of at this moment high and low district all do not move; When water supply flow increased, any low district or height were distinguished putting into operation of pump, and its water flow should be not less than 60% of this pump metered flow at least.The nominal parameter of each pump is selected not simultaneously in the energy-saving water supply equipment of the utility model highrise building, start and stop criterion, traffic control rule specific to each pump are different, but but because water pump equal operate as normal in the certain excursion of nominal parameter, therefore the selection of nominal parameter is very not strict, particularly when adopting the variable frequency regulating speed control water pump operation, can in a big way, change water pump characteristic and operation condition, provide better basis for realizing the optimum operation scheduling.
At different pump parameters, concrete energy-saving run scheduling rule is described below:
Example one: to equipment shown in Figure 1, press the parameter of each pump of table one parameter configuration, consider that high low area flow difference is not too large in the actual engineering, within the specific limits, can control the operation of each pump by table one scheduling rule:
Table one: the parameter of example one each pump of configuration
The conclusion of example one: by above-mentioned rule operation, total water supply flow that high and low district adds up to need not start any high low area pump, when total water supply flow increases during less than main pump metered flow 70%, any low district or high district main pump put into operation, and its water flow is not less than 70% of this pump metered flow.
In this example: 2 usefulness 1 are equipped with or 3 usefulness 1 are equipped with if the high low area main pump is configured to, then the high low area main pump of participation operation is more than one, water supply flow in the table one can be continued to increase when formulating scheduling rule, the flow that increases is carried out similar segmentation, and the thinking principle of reference table one control scheduling, with definite traffic control that is increased each pump.
In the technical program, the traffic control of each pump of equipment is to take all factors into consideration high and low district to add up to water supply flow and each subregion traffic demand relation, tries to achieve the optimal scheduling rule in conjunction with each pump parameter more in a word.
Example two: to equipment shown in Figure 1, press each pump parameter of table two parameter configuration, consider that high low area flow difference is not too large in the actual engineering, within the specific limits, can control the operation of each pump by table two scheduling rule:
Table two: the parameter of example two each pump of configuration
Under device parameter that this is routine and the scheduling rule condition, the total water supply flow that adds up to when high and low district is during less than height district main pump metered flow 90%, need not start any high low area pump, when total water supply flow increases, any low district main pump puts into operation, and its water flow is not less than 60% of this pump metered flow.Any Yi Taigao district main pump puts into operation, and its water flow is not less than 75% of this pump metered flow.
Example three: to equipment shown in Figure 1, if the height district main pump metered flow parameter unanimity of apolegamy, and count 100 as benchmark, and low district main pump comprises one than low-capacity pump (being called 150 main pumps), its metered flow is 150, the specification of all the other low district's main pumps (being called 200 main pumps) is identical, its metered flow is 200, and the maximum stream flow of establishing all pumps is 110% of its metered flows, and auxilliary pump discharge is identical with high district main pump flow, metered flow is 100, the operation of dispatching each pump according to the following rules:
Table three: the parameter of example three each pump of configuration
This example explanation: when hanging down district or the high main pump configuration parameter of distinguishing not simultaneously, the traffic control of equipment is more flexible, under the parameter configuration and scheduling rule that this is routine, the operation flow of realizing supporting each main pump of high low area can effectively avoid the high low area main pump to operate in middle low discharge poor efficiency operating mode greater than its metered flow 80% easily.
In the technical program, the traffic control of each pump of equipment is to take all factors into consideration high and low district to add up to water supply flow and each subregion traffic demand relation, tries to achieve the optimal scheduling rule in conjunction with each pump parameter more in a word.
Comprehensive above each example, and consider that the low district's water supply in general highrise building residential district amount is many in the actual engineering, flow is bigger than height district water supply flow, auxilliary pump parameter under the various situations of analysis-by-synthesis, in this programme for more effective energy-saving run, can be undertaken by following four kinds of situations: one, each main pump flow difference of low district's supercharging unit, the flow of the first auxilliary pump is the 50%-80% of minimum main pump flow in low district's supercharging unit, each main pump flow difference of high district's supercharging unit, the flow of the second auxilliary pump are the 50%-100% of minimum main pump flow in high district's supercharging unit.Two, each main pump flow of low district's supercharging unit is identical, the flow of the first auxilliary pump is the 50%-80% of main pump flow in low district's supercharging unit, each main pump flow of high district's supercharging unit is identical, and the flow of the second auxilliary pump is the 50%-100% of main pump flow in high district's supercharging unit.Three, each main pump flow of high district's supercharging unit is identical, and the flow of the first auxilliary pump, the second auxilliary pump is identical and identical with main pump flow in the height district supercharging unit.Four, each main pump flow of high district's supercharging unit is identical, and the flow of the first auxilliary pump, the second auxilliary pump is identical and be the 50%-60% of main pump flow in high district's supercharging unit, so then can satisfy parameter cooperation preferably, thereby obtain energy-saving effect preferably.
Supply equipment of the present utility model needn't be provided with special switch board for auxilliary pump assembly; The first auxilliary pump can be included in the low district supply equipment, and is controlled by low district pressure of supply water demand by low district coordinative composition of equipments switch board.The second auxilliary pump can be included in the high district supply equipment, and is controlled by height district pressure of supply water demand by height district coordinative composition of equipments switch board.Have a necessary signal link between the supporting switch board of high low area supply equipment, holding wire should be supported by the required scheduling rule of whole water system energy-saving run.
In sum, the utility model utilizes the characteristics of the vertical a plurality of water rationings of highrise building, introduce the auxilliary pump assembly of two subregion associations, the water supply flow of two subregions is associated, make the traffic control of each pump of supply equipment not only will consider the local area traffic demand, also will consider the traffic demand of association area.For example when each subregion is in the low discharge water supply condition, only need to start auxilliary pump assembly, the first auxilliary pump in the auxilliary pump assembly supplies water for low district provides low discharge on the one hand, the prime supercharging of also supplying water as high district on the other hand, be connected in series with the second auxilliary pump, provide middle low discharge to supply water for the height district supplies water.So for the first auxilliary pump, the flow that is provided is height two district's flow sums, expanded working flow on the one hand, improved the operational efficiency of the first auxilliary pump, the pump that high on the other hand district supplies water need not move, the main pump low discharge operation condition of having avoided high district to supply water, thus can significantly improve the operational efficiency of complete machine supply equipment and cut down the consumption of energy.The utility model also has following characteristics in addition: one, the first auxilliary pump and the second auxilliary pump had both been done the low low-capacity pump that supplies water of distinguishing, the prime booster pump of the low discharge of double as high district water supply simultaneously.Owing to expanded the flow of the first auxilliary pump and the second auxilliary pump, thereby can significantly reduce its low discharge running time, improve the operational efficiency of the first auxilliary pump and the second auxilliary pump.Two, the supply water operation flow of all main pumps of high low area generally is not less than 60% of its metered flow and just puts into operation, by meticulous configuration, rational management, the supply water operation flow of all main pumps of high low area can also be accomplished the 70%-80% that is not less than its metered flow, avoid middle low discharge operation condition well, improved the operational efficiency of all main pumps.Three, when the first auxilliary pump and the second auxilliary pump break down, just influence the energy-saving run effect, do not influence lasting reliability of water supply.Four, suitably dispose the flow of the first auxilliary pump and the second auxilliary pump, the first auxilliary pump can also be done the stand by pump in low district, and the stand by pump that high district supplies water then can be doublely done in the series operation of the first auxilliary pump and the second auxilliary pump.Five, cost of the present utility model is low, and obtain that energy-saving effect will be good many.Six, the utility model can be applicable to traditional pond transfer supercharging water supply system, also can be applicable to emerging network pressure superposition water supply system.
Though more than described the specific embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (1)
1. the energy-saving water supply equipment of a highrise building, it is characterized in that, it comprises low district's supercharging unit, high district's supercharging unit, auxilliary pump assembly, first flap valve, second flap valve, low district's supercharging unit comprises main pump arranged side by side more than two, high district's supercharging unit comprises main pump arranged side by side more than two, auxilliary pump assembly comprises the first auxilliary pump and the second auxilliary pump, the inlet of the first auxilliary pump is connected with the water source, the first auxilliary delivery side of pump is connected through the export pipeline of first flap valve with low district's supercharging unit, and first auxilliary delivery side of pump also is connected through first flap valve with the inlet of the second auxilliary pump, the export pipeline that the second auxilliary delivery side of pump is distinguished the supercharging unit through second flap valve and height is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020545602 CN201794109U (en) | 2010-09-28 | 2010-09-28 | Energy-saving water supply plant for high-rise building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020545602 CN201794109U (en) | 2010-09-28 | 2010-09-28 | Energy-saving water supply plant for high-rise building |
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| CN201794109U true CN201794109U (en) | 2011-04-13 |
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| CN 201020545602 Expired - Fee Related CN201794109U (en) | 2010-09-28 | 2010-09-28 | Energy-saving water supply plant for high-rise building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758465A (en) * | 2011-04-25 | 2012-10-31 | 上海熊猫机械(集团)有限公司 | Water supply equipment |
| CN104088330A (en) * | 2014-05-09 | 2014-10-08 | 吴昊 | Multi-section variable frequency water supply system |
-
2010
- 2010-09-28 CN CN 201020545602 patent/CN201794109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758465A (en) * | 2011-04-25 | 2012-10-31 | 上海熊猫机械(集团)有限公司 | Water supply equipment |
| CN104088330A (en) * | 2014-05-09 | 2014-10-08 | 吴昊 | Multi-section variable frequency water supply system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20110928 |