CN105155620A - Negative pressure-free water supply pump station - Google Patents
Negative pressure-free water supply pump station Download PDFInfo
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- CN105155620A CN105155620A CN201510602570.2A CN201510602570A CN105155620A CN 105155620 A CN105155620 A CN 105155620A CN 201510602570 A CN201510602570 A CN 201510602570A CN 105155620 A CN105155620 A CN 105155620A
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- water
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- negative pressure
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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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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a negative pressure-free water supply pump station which comprises a water storage tank, an electric control cabinet and a booster pump set, wherein a filter, a first pressure transmitter, an electromagnetic flow meter, a residual chlorine detecting instrument, an influent flow regulator and a first electric valve are sequentially arranged between a tap water pipeline network and a water inlet of the water storage tank; an ultraviolet sterilizer is arranged between the booster pump set and a water outlet of the water storage tank; and a pressure regulator and a second pressure transmitter are sequentially arranged between the booster pump set and a user pipe network. The negative pressure-free water supply pump station also comprises a by-pass pipe, wherein one end of the by-pass pipe is connected with the influent flow regulator, the other end of the by-pass pipe is connected with the pressure regulator, and the by-pass pipe is provided with a second electric valve. The negative pressure-free water supply pump station also comprises a secondary by-pass pipe, wherein one end of the secondary by-pass pipe is connected with the ultraviolet sterilizer, and the other end of the secondary by-pass pipe is connected with the pressure regulator. The negative pressure-free water supply pump station provided by the invention has the functions of energy saving, water saving, environmental friendliness, reliable water supply pressure and water quality, no negative pressure generated by a municipal water supply network, and the like.
Description
Technical field
The present invention relates to a kind of water service equipment, be specifically related to a kind of non-negative pressure water supply pumping plant.
Background technology
The major function of no-negative-pressure water supply equipment is the pressure promoting tap water pipe network, is mainly used in the lower residential community of pressure of supply water, school, rural area, industrial and mineral.Present China no-negative-pressure water supply equipment mainly contains two kinds, first pot type no-negative-pressure water supply equipment, and it two is box-type water supplying equipment without negatives.The essential structure of two kind equipments is similar, mainly comprises water tank or storage tank, water pump, switch board, valve, pipeline, all kinds of instrument etc.Water tank (case) regulates water supply flow in order to water storage, and water pump is used for pressurization, and instrument is used for hydraulic pressure, flow, the water level of detection system, and valve is used for the keying of system, and electrical control cubicles is used for system power supply and control.
Two kind equipments respectively have pluses and minuses, the advantage of pot type no-negative-pressure water supply equipment be can make full use of the overbottom pressure of municipal network water supply, power consumption is economized, it is few to take up an area, but tank body is little, without much regulating powers, is difficult to adapt to pressure of supply water low, the user that water requirement is larger; The advantage of box-type water supplying equipment without negative is that tank-volumes is large, and regulatory function is large, and shortcoming is that storage tank adopts gerotor type design, cannot utilize the overbottom pressure in municipal network water supply, power consumption is high, and many with material, water time of staying in casing is long, easily forms dead angle, easily produces bacterium, unfavorable health.
Summary of the invention
For problems of the prior art, the invention provides a kind of non-negative pressure water supply pumping plant, this non-negative pressure water supply pumping plant has energy-conservation, water saving, environmental protection, pressure of supply water and water quality and reliably, does not cause municipal network water supply to produce the functions such as negative pressure.
To achieve these goals, the technical solution used in the present invention is: a kind of non-negative pressure water supply pumping plant, comprise water tank, electrical control cubicles, force (forcing) pump group, described water tank is provided with the water inlet be connected with tap water pipe network and the delivery port be connected with user's pipe network, described delivery port is connected with user's pipe network by force (forcing) pump group, described water tank is also provided with vacuum suppresser and fluid level transmitter, it is characterized in that: between described tap water pipe network and water tank water inlet, be provided with strainer successively, first pressure transmitter, electromagnetic flowmeter, residual chlorine detecting instrument, flow of inlet water adjuster, first motor operated valve, ultraviolet ray disinfector is provided with between described force (forcing) pump group and water tank delivery port, pressure regulator is provided with successively between described force (forcing) pump group and user's pipe network, second pressure transmitter, also comprise bypass line, described bypass pipe one end is connected with the delivery port of flow of inlet water adjuster, and the other end is connected with the water inlet of pressure regulator, and described bypass pipe is provided with the second motor operated valve, also comprise a bypass pipe, described time bypass pipe one end is connected with the delivery port of ultraviolet ray disinfector, and the other end is connected with the water inlet of pressure regulator, and described time bypass pipe is provided with the first hand-operated valve.
The present invention is also set to further, is provided with the second hand-operated valve between described strainer and tap water pipe network, and described force (forcing) pump group is all connected with pressure regulator by the 3rd hand-operated valve with time bypass pipe.
The present invention is also set to further, described force (forcing) pump group comprises at least one group of main pump group and one group of auxiliary pump group, described main pump group comprises main pump, described auxiliary pump group comprises auxiliary little pump, the import of described main pump and auxiliary little pump is all respectively equipped with manually-operated gate, and described main pump and auxiliary little delivery side of pump are all respectively equipped with flap valve and motor operated valve.
The present invention is also set to further, and described first pressure transmitter, electromagnetic flowmeter, residual chlorine detecting instrument, flow of inlet water adjuster, the first motor operated valve, pressure regulator, the second pressure transmitter, the second motor operated valve, fluid level transmitter are connected with electrical control cubicles all respectively.
The present invention is also set to further; The top of described water tank is provided with manhole, personnel's turnover when described manhole is for cleaning tank body.
The present invention is also set to further, and the bottom of described water tank is provided with blowdown atmospheric valve.
The present invention is also set to further, and the water inlet on described water tank and delivery port are all positioned at bottom it.
Advantage of the present invention:
(1) retention volume is large, and regulating power is high, and can need to increase retention volume further with water supply, be particularly suitable for the pressure of supply waters such as industrial and mineral, school, rural area, island low, in water, chlorine residue is low, and topography variation is complicated, outlying place uses, and is also applicable to urban water supply low-pressure area and uses;
(2) non-negative pressure water supply pumping plant provided by the present invention make use of the overbottom pressure of pipe network completely, and power consumption is low, energy-conservation;
(3) adopt pot type containment structures, force-bearing situation is good, saves material, can horizontal and vertical installation, takes up room little;
(4) inner ultraviolet ray disinfector is set, water quality is guaranteed further;
(5) inlet tube and outlet tube all arranges pressure transmitter, detect pressure in water pipe at any time, coordinate other equipment, make municipal network water supply not form negative pressure, there is not too high hydraulic pressure in outlet pipe, guarantees network security.
Accompanying drawing explanation
Fig. 1 is pipeline structure schematic diagram of the present invention.
Number in the figure implication: 1-water tank; 11-water inlet; 12-delivery port; 2-electrical control cubicles; 3-tap water pipe network; 4-user's pipe network; 5-vacuum suppresser; 6-fluid level transmitter; 7-strainer; 8-first pressure transmitter; 9-electromagnetic flowmeter; 10-residual chlorine detecting instrument; 13-flow of inlet water adjuster; 14-first motor operated valve; 15-ultraviolet ray disinfector; 16-pressure regulator; 17-second pressure transmitter; 18-bypass pipe; 19-second motor operated valve; 20-bypass pipe; 21-first hand-operated valve; 22-manually-operated gate; 23-flap valve; 24-motor operated valve; 25-assists little pump; 26-second hand-operated valve; 27-the 3rd hand-operated valve; 28-manhole; 29-blowdown atmospheric valve; 30-main pump.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Below with reference to Fig. 1, the present invention will be described.
A kind of non-negative pressure water supply pumping plant, comprise water tank 1, electrical control cubicles 2, force (forcing) pump group, described water tank 1 is provided with the water inlet 11 be connected with tap water pipe network 3 and the delivery port 12 be connected with user's pipe network 4, described delivery port 12 is connected with user's pipe network 4 by force (forcing) pump group, described water tank 1 is also provided with vacuum suppresser 5 and fluid level transmitter 6, strainer 7 is provided with successively between described tap water pipe network 3 and the water inlet 11 of water tank 1, first pressure transmitter 8, electromagnetic flowmeter 9, residual chlorine detecting instrument 10, flow of inlet water adjuster 13, first motor operated valve 14, ultraviolet ray disinfector 15 is provided with between described force (forcing) pump group and the delivery port 12 of water tank 1, pressure regulator 16 is provided with successively between described force (forcing) pump group and user's pipe network 4, second pressure transmitter 17, also comprise bypass line 18, described bypass pipe 18 one end is connected with the delivery port of flow of inlet water adjuster 13, and the other end is connected with the water inlet of pressure regulator 16, and described bypass pipe 18 is provided with the second motor operated valve 19, also comprise a bypass pipe 20, described time bypass pipe 20 one end is connected with the delivery port of ultraviolet ray disinfector 15, and the other end is connected with the water inlet of pressure regulator 16, and described time bypass pipe 20 is provided with the first hand-operated valve 21.
Electromagnetic flowmeter 9 for monitoring system inflow, and forms flow of inlet water regulating system jointly with the first pressure transmitter 8, flow of inlet water adjuster 13 and electrical control cubicles 2.
The delivery port of ultraviolet ray disinfector 15 separates four branch roads, wherein a branch road is time bypass pipe 20, other three branch roads form force (forcing) pump group, in these three branch roads, wherein two branch roads are respectively equipped with a main pump 30, the import of main pump 30 is all provided with manually-operated gate 22, the outlet of main pump 30 is all provided with flap valve 23 and motor operated valve 24, an other branch road is provided with auxiliary little pump 25, and the import of auxiliary little pump 25 is provided with manually-operated gate 22, and the outlet of auxiliary little pump 25 is provided with flap valve 23 and motor operated valve 24.
Be provided with the second hand-operated valve 26 between strainer 7 and tap water pipe network 3, described force (forcing) pump group is all connected with pressure regulator 16 by the 3rd hand-operated valve 27 with time bypass pipe 20.
In the present invention, hand-operated valve is mainly for cutting off the water and arrange during easy access, ensures stable, the safe handling of facility.
First pressure transmitter 8, electromagnetic flowmeter 9, residual chlorine detecting instrument 10, flow of inlet water adjuster 13, first motor operated valve 14, pressure regulator 16, second pressure transmitter 17, second motor operated valve 19, fluid level transmitter 6, force (forcing) pump group motor operated valve 24 are connected with electrical control cubicles 2 all respectively, each parts control by electrical control cubicles 2, or send the signal gathered to electrical control cubicles 2.
The top of water tank 1 is provided with manhole 28, personnel's turnover when described manhole 28 is for cleaning tank body.
The bottom of water tank 1 is provided with blowdown atmospheric valve 29, for draining when daily blowdown and cleaning water tank.
Water inlet 11 on water tank 1 and delivery port 12 are all positioned at bottom it, reduce water inlet and the freeboard of water tank 1, are beneficial to into water and water outlet.
In order to avoid when by water ebb, systematic Water supply pressure is too high, causes that pipe network model is excessive or pipe network is damaged, is provided with pressure regulator 16 in water side, its data fed back by the second pressure transmitter 17, is controlled, realize the adjustment to discharge pressure by electrical control cubicles 2.
When water tank 1 inflow is less than water flow, the water level in tank will constantly decline, and will be in negative pressure state in tank, now vacuum suppresser 5 will start automatically, and outside air will enter in tank, avoid the formation of vacuum; When municipal network water supply pressure of supply water improves, in tank during storage full water, vacuum suppresser 5 will be vented, and can automatically close, and prevent current excessive.
Fluid level transmitter 6 is for monitoring the water level in water tank 1, when force (forcing) pump group is in running order, and inflow is when being less than water yield, water level in water tank 1 will constantly decline, when being reduced to the lowest water level of setting, the liquid level signal that electrical control cubicles 2 is fed back according to fluid level transmitter 6, stops the work of force (forcing) pump group automatically, avoids damaging water pump.
The end of water supply low-pressure area normally municipal network water supply, in water, chlorine residue is often not enough, and in order to remaining bacteria breeding in anti-sealing, water side is provided with ultraviolet ray disinfector 15 pairs of water outlets and sterilizes further, guarantees with water without anxiety.
When this facility starts to debug, first to store up full water in water tank 1, and set the minimum pressurize value of pipe network according to the requirement of local municipal water supply department, avoid causing adverse effect to whole municipal network water supply.
This facility has following several operating mode:
1, when water inlet end first pressure transmitter 8 detects that in pipe network, hydraulic pressure is higher, and residual chlorine detecting instrument 10 is when detecting that in water body, chlorine residue is enough, user's water requirements can be met, whole pumping station system does not work, as long as automatically opened the second motor operated valve 19 on bypass pipe 18 by electrical control cubicles 2, the water in pipe network is by bypass pipe 18 Firsthand Users;
2, when water inlet end first pressure transmitter 8 detects that in pipe network, hydraulic pressure is higher, but when residual chlorine detecting instrument 10 detects that in water body, chlorine residue is inadequate, electrical control cubicles 2 opens the first motor operated valve 14 automatically, and the water in pipe network passes through after water tank 1 and ultraviolet ray disinfector 15, through time bypass pipe 20 Firsthand Users;
3, when water inlet end first pressure transmitter 8 detects that in pipe network, hydraulic pressure declines to some extent, but when not yet reaching the minimum pressurize value of setting, when second pressure transmitter 17 detects that within the scope of this facilities services, user's pressure of supply water is not enough, automatically flow of inlet water adjuster 13 is started by electrical control cubicles 2, suitable minimizing flow of inlet water, maintain municipal network water supply pressure more than minimum pressurize value, and open force (forcing) pump group, ensure pressure of supply water and the water yield of user;
4, when water inlet end first pressure transmitter 8 detects that in pipe network, hydraulic pressure drops to minimum pressurize value, 13, flow of inlet water adjuster cuts out completely, now to intake stopping, maintaining municipal network water supply and do not occur negative pressure, user's use water is completely by the water pressurization supply of water tank 1;
5, force (forcing) pump group configuration 2 main pumps 30 and an auxiliary little pump 25, when user's water supply volume is in ebb, but when municipal network water supply water pressure is on the low side, starts auxiliary little pump 25 couples of users and supplies water; When user's water supply volume reaches medium level, and when pressure of supply water is not enough, then enable 1 main pump, 30 couples of users and supply water; When water supply volume peaks, when pressure of supply water is not enough, then a main pump 30 and auxiliary little pump 25 work to user's water supply simultaneously, and another main pump 30 is for subsequent use.In order to reach energy-conservation object, 3 water pumps are all equipped with variable-frequency motor, the data fed back by the second pressure transmitter 17, and electrical control cubicles 2 regulates motor speed at any time by frequency converter, reduce power output, reach energy-conservation object.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection scope of the present invention.
Claims (7)
1. a non-negative pressure water supply pumping plant, comprise water tank, electrical control cubicles, force (forcing) pump group, described water tank is provided with the water inlet be connected with tap water pipe network and the delivery port be connected with user's pipe network, described delivery port is connected with user's pipe network by force (forcing) pump group, described water tank is also provided with vacuum suppresser and fluid level transmitter, it is characterized in that: between described tap water pipe network and water tank water inlet, be provided with strainer successively, first pressure transmitter, electromagnetic flowmeter, residual chlorine detecting instrument, flow of inlet water adjuster, first motor operated valve, ultraviolet ray disinfector is provided with between described force (forcing) pump group and water tank delivery port, pressure regulator is provided with successively between described force (forcing) pump group and user's pipe network, second pressure transmitter, also comprise bypass line, described bypass pipe one end is connected with the delivery port of flow of inlet water adjuster, and the other end is connected with the water inlet of pressure regulator, and described bypass pipe is provided with the second motor operated valve, also comprise a bypass pipe, described time bypass pipe one end is connected with the delivery port of ultraviolet ray disinfector, and the other end is connected with the water inlet of pressure regulator, and described time bypass pipe is provided with the first hand-operated valve.
2. a kind of non-negative pressure water supply pumping plant according to claim 1, is characterized in that: be provided with the second hand-operated valve between described strainer and tap water pipe network, and described force (forcing) pump group is all connected with pressure regulator by the 3rd hand-operated valve with time bypass pipe.
3. a kind of non-negative pressure water supply pumping plant according to claim 1 and 2, it is characterized in that: described force (forcing) pump group comprises at least one group of main pump group and one group of auxiliary pump group, described main pump group comprises main pump, described auxiliary pump group comprises auxiliary little pump, the import of described main pump and auxiliary little pump is all respectively equipped with manually-operated gate, and described main pump and auxiliary little delivery side of pump are all respectively equipped with flap valve and motor operated valve.
4. a kind of non-negative pressure water supply pumping plant according to claim 1 and 2, is characterized in that: described first pressure transmitter, electromagnetic flowmeter, residual chlorine detecting instrument, flow of inlet water adjuster, the first motor operated valve, pressure regulator, the second pressure transmitter, the second motor operated valve, fluid level transmitter are connected with electrical control cubicles all respectively.
5. a kind of non-negative pressure water supply pumping plant according to claim 1, is characterized in that: the top of described water tank is provided with manhole, personnel's turnover when described manhole is for cleaning tank body.
6. a kind of non-negative pressure water supply pumping plant according to claim 1, is characterized in that: the bottom of described water tank is provided with blowdown atmospheric valve.
7. a kind of non-negative pressure water supply pumping plant according to claim 1, is characterized in that: the water inlet on described water tank and delivery port are all positioned at bottom it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510602570.2A CN105155620A (en) | 2015-09-14 | 2015-09-14 | Negative pressure-free water supply pump station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510602570.2A CN105155620A (en) | 2015-09-14 | 2015-09-14 | Negative pressure-free water supply pump station |
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| CN105155620A true CN105155620A (en) | 2015-12-16 |
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| CN201510602570.2A Pending CN105155620A (en) | 2015-09-14 | 2015-09-14 | Negative pressure-free water supply pump station |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696654A (en) * | 2016-03-18 | 2016-06-22 | 石连科 | Water supply system and container and boost pump thereof and water supply method |
| CN105804164A (en) * | 2016-03-17 | 2016-07-27 | 济南安吉尔实业有限公司 | Energy-saving type frequency conversion water supply equipment with monitoring function and purification function |
| CN105951932A (en) * | 2016-07-01 | 2016-09-21 | 中冶建工集团有限公司 | Temporary water supply system |
| CN106088215A (en) * | 2016-08-11 | 2016-11-09 | 安徽海沃特水务股份有限公司 | A kind of non-negative pressure water service system and control method |
| CN110984288A (en) * | 2019-11-26 | 2020-04-10 | 太原市汾源供水设备有限公司 | Four-cavity water supply unit |
| CN112031080A (en) * | 2020-08-18 | 2020-12-04 | 成都锦胜雾森环保科技有限公司 | Constant-pressure pump station with auxiliary flow regulation function and control method |
| CN113957954A (en) * | 2021-11-16 | 2022-01-21 | 无锡汇田水务科技有限公司 | Energy-saving non-negative pressure water supply equipment and automatic energy optimization method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105804164A (en) * | 2016-03-17 | 2016-07-27 | 济南安吉尔实业有限公司 | Energy-saving type frequency conversion water supply equipment with monitoring function and purification function |
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| CN110984288A (en) * | 2019-11-26 | 2020-04-10 | 太原市汾源供水设备有限公司 | Four-cavity water supply unit |
| CN112031080A (en) * | 2020-08-18 | 2020-12-04 | 成都锦胜雾森环保科技有限公司 | Constant-pressure pump station with auxiliary flow regulation function and control method |
| CN112031080B (en) * | 2020-08-18 | 2022-02-01 | 成都锦胜雾森环保科技有限公司 | Control method of constant-pressure pump station with auxiliary flow regulation function |
| CN113957954A (en) * | 2021-11-16 | 2022-01-21 | 无锡汇田水务科技有限公司 | Energy-saving non-negative pressure water supply equipment and automatic energy optimization method thereof |
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Application publication date: 20151216 |