CN204023720U - A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment - Google Patents

A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment Download PDF

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Publication number
CN204023720U
CN204023720U CN201420496010.4U CN201420496010U CN204023720U CN 204023720 U CN204023720 U CN 204023720U CN 201420496010 U CN201420496010 U CN 201420496010U CN 204023720 U CN204023720 U CN 204023720U
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CN
China
Prior art keywords
water
pipe
steady
variable frequency
pump
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CN201420496010.4U
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Chinese (zh)
Inventor
何兵
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天津泛华清源水务科技发展有限公司
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Priority to CN201420496010.4U priority Critical patent/CN204023720U/en
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Publication of CN204023720U publication Critical patent/CN204023720U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

Abstract

The utility model relates to a kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment, comprises steady-flow tank, bidirectional compensator, main variable frequency pump, standby variable frequency water pump and frequency-conversion control cabinet; The water inlet of described steady-flow tank connects the oral siphon being used for municipal water pipe and connecting by flow control valve, on described oral siphon from influent side to water outlet side successively mounting filter, anti-backflow device; An accumulator is equipped with above described steady-flow tank, the delivery port of described steady-flow tank connects the water inlet end of described main variable frequency pump, standby variable frequency water pump by outlet pipe, the water side of described main variable frequency pump, standby variable frequency water pump connects the water-supply-pipe connected with user's pipe network, and described water-supply-pipe is provided with superpressure sensor, pressure sensor; Described bidirectional compensator is connected respectively by the water entrance of three mouths of pipe and described steady-flow tank, outlet pipe and water-supply-pipe.This novel can auto-compensation water insufficient pressure and fluctuation, guarantee that pressure of supply water balances.

Description

A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment
Technical field
The utility model belongs to supply equipment technical field, is specifically related to a kind of non-negative pressure stabilized offset-type automatic energy saving supply equipment.
Background technology
Can negative interaction be produced after general supply equipment directly accesses tap water pipe network at present, because the flow of water pump is usually greater than running water pipe flow of inlet water, thus cause ductwork pressure to decline, affect periphery user water.In order to solve the irrationality of this water supply scheme, so traditional way of supplying water needs to build water source water tank and attic tank in the import department of water pump, there are three problems in this traditional water supply scheme, first, all easily there is pollution problem in water pump water source water tank and attic tank, because the design in pond all exists overfall, the water tank of life also must periodic cleaning for avoiding water quality to degenerate, and thus causes the waste of drinking water.The second, the building cost of attic tank is higher, and along with the development in city, attic tank is also difficult to see.3rd, the tap water in city planting ductwork first will be put into water source water tank and then be extracted into attic tank with water pump, and like this, the pressure energy of tap water has just been wasted.
In order to overcome above-mentioned problem, existing a kind of constant pressure water supply equipment, be made up of water tank, non retern valve, vacuum tank, pressure sensor, frequency conversion tank, feed pump, control valve, liquid level sensor, though this supply equipment eliminates attic tank, but it does not thoroughly solve the problem of traditional water supply scheme, although eliminate attic tank, due to the existence of water pump water source water tank, pollute and still thoroughly do not solve; Water supply and energy saving problem and low discharge problem are not all solved in addition.
Utility model content
The purpose of this utility model is solve above-mentioned technical problem and provide a kind of non-negative pressure stabilized offset-type automatic energy saving supply equipment.
For achieving the above object, the utility model adopts following technical scheme:
A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment, comprise steady-flow tank, bidirectional compensator, main variable frequency pump, standby variable frequency water pump and frequency-conversion control cabinet; The water inlet of described steady-flow tank connects the oral siphon being used for municipal water pipe and connecting by flow control valve, on described oral siphon from influent side to water outlet side successively mounting filter, anti-backflow device; An accumulator is equipped with above described steady-flow tank, the delivery port of described steady-flow tank connects the water inlet end of described main variable frequency pump, standby variable frequency water pump by outlet pipe, the water side of described main variable frequency pump, standby variable frequency water pump connects the water-supply-pipe be connected with user's pipe network, and described water-supply-pipe is provided with superpressure sensor, pressure sensor; Described bidirectional compensator is connected respectively by the water entrance of three mouths of pipe and described steady-flow tank, outlet pipe and water-supply-pipe; Described frequency-conversion control cabinet connects described bidirectional compensator, superpressure sensor, pressure sensor, main variable frequency pump, standby variable frequency water pump by control signal wire.
The tube connector of the water entrance of described bidirectional compensator and described steady-flow tank is provided with pressure meter, is connected by holding wire with described frequency-conversion control cabinet.
Described oral siphon is provided with flow monitor, is located at the front end of described flow control valve, and described flow monitor is connected by holding wire with described frequency-conversion control cabinet.
Described steady-flow tank is equipped with a vacuum by flange and suppresses tank.
This novel can auto-compensation water insufficient pressure and fluctuation, during the instantaneous increase of auto-compensation water supply volume, guarantee that pressure of supply water balances, voltage stabilizing, pressure maintaining effect is played with the water period at low discharge or nobody, main pump exits, and multiple pressure can be set to Different periods, hydraulic pressure is distributed more reasonable, more energy-conservation.
Accompanying drawing explanation
Figure 1 shows that a kind of structural representation without negative pressure bidirectional offset-type automatic energy saving supply equipment that the utility model embodiment provides.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Shown in Figure 1, the figure shows a kind of structure without negative pressure bidirectional offset-type automatic energy saving supply equipment that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant with the utility model embodiment.
Refer to Fig. 1, a kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment, comprise steady-flow tank 1, bidirectional compensator 2, main variable frequency pump 3, standby variable frequency water pump 4 and frequency-conversion control cabinet 5; The water inlet of described steady-flow tank 1 connects the oral siphon 12 being used for municipal water pipe and connecting by flow control valve 6, described oral siphon 12 installs y-type filter 14, anti counter-flowing check valve apparatus 13 from influent side successively to water outlet side; An accumulator 11 is equipped with above described steady-flow tank 1, the delivery port of described steady-flow tank 1 connects the water inlet end of described main variable frequency pump 3, standby variable frequency water pump 4 by outlet pipe 15, the water side of described main variable frequency pump 3, standby variable frequency water pump 4 connects the water-supply-pipe 7 be connected with user's pipe network 17, and described water-supply-pipe 7 is provided with superpressure sensor 8, pressure sensor 9; Described bidirectional compensator 2 is connected respectively by the water entrance of three mouths of pipe and described steady-flow tank 1, outlet pipe 15 and water-supply-pipe 7; Described frequency-conversion control cabinet 5 connects described bidirectional compensator 2, superpressure sensor 8, pressure sensor 9, main variable frequency pump 3, standby variable frequency water pump 4 by control signal wire.
Described bidirectional compensator 2 is provided with pressure meter 10 with the tube connector of the water entrance of described steady-flow tank 1, and pressure meter 10 is connected by holding wire with described frequency-conversion control cabinet 5.
Described oral siphon 12 is provided with flow monitor, is located at the front end of described flow control valve 6, and described flow monitor is connected by holding wire with described frequency-conversion control cabinet 5.
Described steady-flow tank 1 is equipped with a vacuum by flange and suppresses tank, and in tank body, liquid level sensor is installed.
During use, the water of tap water pipe network enters steady-flow tank 1 by tap water oral siphon 12, and the air in steady-flow tank 1 suppresses tank to be discharged from vacuum, treats that water is full of steady-flow tank 1 final vacuum and suppresses tank automatically to be closed.When tap water pipe network pressure can meet require with water time, system is directly supplied water to grid by steady-flow tank 1: when tap water pipe network pressure can not meet require with water time, system pressure signal feeds back to frequency conversion tank 5 by pressure sensor, main variable frequency pump 3 runs, size self-regulating rotary speed according to water supply volume reaches constant pressure water supply: if when main variable frequency pump 3 reaches power frequency rotating speed, then start another standby variable frequency water pump 4 frequency conversion running.
During water supply, if tap water pipe network output is greater than pump capacity, system keeps normal water supply: during water use peak, when tap water pipe network output is less than pump capacity, the water in steady-flow tank 1 as a supplement water source still can normal water supply, now, air suppresses tank to enter steady-flow tank 1 by vacuum, in steady-flow tank 1, vacuum is destroyed, and ensure that tap water pipe network does not produce negative pressure: after water use peak, and system returns to again normal water supply state.When tap water pipe network is cut off the water; liquid level in steady-flow tank 1 is caused constantly to decline; bidirectional compensator 2 can to described steady-flow tank 1 supplementing water; when bidirectional compensator 2 also cannot compensate; by being arranged on the liquid level sensor in described steady-flow tank 1; can by signal feedback to frequency conversion tank 5, system autostop is also reported to the police, to protect water pump assembly.
Night, low discharge supplied water and tap water pipe network pressure when can not meet the demands, and vacuum tank 1, bidirectional compensator 2 can be stored and release energy, and avoid to the frequent starting of variable frequency pump.
System efficiently solves secondary water-supply equipment and directly accesses tap water pipe network and the negative pressure problem caused, thus make second pressure water supply equipment save pond and directly to access tap water pipe network: the pressure that simultaneously effectively make use of tap water pipe network, water pump lift is selected to reduce, thus the power of motor of coupling is little, cost and the operating cost of complete equipment all reduce.
In addition, when tap water supply pressure can be met consumers' demand, system can not be opened and be flowed directly into user's pipe network to variable frequency pump, so just cost savings the energy: because this secondary water-supply scheme eliminates pond completely, simultaneously, water pump and pipeline all select stainless steel product, the water pollutions because second pressure water supply equipment causes can be eliminated completely: this water supply scheme also take into account public safety problem, water inlet pipe adds strainer 14, the water entered in secondary pipe network is filtered effectively, ensure that the water safety of user, and when dropping into hazardous substances because of artificial destruction in secondary water-supply pipeline, the water inlet front end flowing into steady-flow tank is provided with anti-backflow device 13, prevent the water reflux in secondary pressurized equipment from entering city planting ductwork, thus enhance public security.
This novel can auto-compensation water insufficient pressure and fluctuation, during the instantaneous increase of auto-compensation water supply volume, guarantee that pressure of supply water balances, voltage stabilizing, pressure maintaining effect is played with the water period at low discharge or nobody, main pump exits, and multiple pressure can be set to Different periods, hydraulic pressure is distributed more reasonable, more energy-conservation.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (4)

1. without a negative pressure bidirectional offset-type automatic energy saving supply equipment, it is characterized in that, comprise steady-flow tank, bidirectional compensator, main variable frequency pump, standby variable frequency water pump and frequency-conversion control cabinet; The water inlet of described steady-flow tank connects the oral siphon being used for municipal water pipe and connecting by flow control valve, on described oral siphon from influent side to water outlet side successively mounting filter, anti-backflow device; An accumulator is equipped with above described steady-flow tank, the delivery port of described steady-flow tank connects the water inlet end of described main variable frequency pump, standby variable frequency water pump by outlet pipe, the water side of described main variable frequency pump, standby variable frequency water pump connects the water-supply-pipe connected with user's pipe network, and described water-supply-pipe is provided with superpressure sensor, pressure sensor; Described bidirectional compensator is connected respectively by the water entrance of three mouths of pipe and described steady-flow tank, outlet pipe and water-supply-pipe; Described frequency-conversion control cabinet connects described bidirectional compensator, superpressure sensor, pressure sensor, main variable frequency pump, standby variable frequency water pump by control signal wire.
2., according to claim 1 without negative pressure bidirectional offset-type automatic energy saving supply equipment, it is characterized in that, the tube connector of described bidirectional compensator and described steady-flow tank water entrance is provided with pressure meter, is connected by holding wire with described frequency-conversion control cabinet.
3. according to claim 2 without negative pressure bidirectional offset-type automatic energy saving supply equipment, it is characterized in that, described oral siphon is provided with flow monitor, is located at the front end of described flow control valve, and described flow monitor is connected by holding wire with described frequency-conversion control cabinet.
4. according to any one of claims 1 to 3 without negative pressure bidirectional offset-type automatic energy saving supply equipment, it is characterized in that, on described steady-flow tank by flange be equipped with one vacuum suppress tank.
CN201420496010.4U 2014-08-29 2014-08-29 A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment CN204023720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420496010.4U CN204023720U (en) 2014-08-29 2014-08-29 A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420496010.4U CN204023720U (en) 2014-08-29 2014-08-29 A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment

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CN204023720U true CN204023720U (en) 2014-12-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107119743A (en) * 2017-06-19 2017-09-01 安徽贝德泵阀科技股份有限公司 A kind of non-negative pressure water service system
WO2018102939A1 (en) * 2016-12-05 2018-06-14 王彩霞 Prefabricated pump station for tap water pressurization
CN110924477A (en) * 2019-12-06 2020-03-27 湖南华振供水设备有限公司 Full frequency conversion intelligent compensation type pressure-superposed water supply equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018102939A1 (en) * 2016-12-05 2018-06-14 王彩霞 Prefabricated pump station for tap water pressurization
CN107119743A (en) * 2017-06-19 2017-09-01 安徽贝德泵阀科技股份有限公司 A kind of non-negative pressure water service system
CN110924477A (en) * 2019-12-06 2020-03-27 湖南华振供水设备有限公司 Full frequency conversion intelligent compensation type pressure-superposed water supply equipment

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20141217

Termination date: 20160829