CN110924477A - Full frequency conversion intelligent compensation type pressure-superposed water supply equipment - Google Patents
Full frequency conversion intelligent compensation type pressure-superposed water supply equipment Download PDFInfo
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- CN110924477A CN110924477A CN201911241998.3A CN201911241998A CN110924477A CN 110924477 A CN110924477 A CN 110924477A CN 201911241998 A CN201911241998 A CN 201911241998A CN 110924477 A CN110924477 A CN 110924477A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 248
- 238000006243 chemical reaction Methods 0.000 title claims description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 40
- 239000000872 buffer Substances 0.000 claims abstract description 27
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
- E03B11/08—Air regulators
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/04—Domestic or like local pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/072—Arrangement of flowmeters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- 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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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses full-variable-frequency intelligent compensation type pressure-superposed water supply equipment which comprises a water inlet pipe, a constant-pressure buffer tank, a water supply unit, a high-pressure compensation pressure-stabilizing tank, an ultrahigh-pressure energy storage tank, a multidirectional compensation control unit, a water outlet pipe and a variable-frequency constant-pressure control system, wherein the water inlet pipe is connected with the constant-pressure buffer tank; the water inlet pipe is communicated with a municipal pipe network; the constant-pressure buffer tank is provided with a water inlet, a water outlet and a first water inlet and a first water outlet; the water inlet is communicated with the water inlet pipe; the water outlet is communicated with a water supply unit; the first water inlet and outlet are communicated with a second water inlet and outlet of the high-pressure compensation pressure stabilizing tank and a second water inlet and outlet of the ultrahigh-pressure energy storage tank through a multi-directional compensation control unit; the water supply unit is communicated with the water outlet pipe; the water outlet pipe is communicated with a water using end of a user; and the variable-frequency constant-pressure control system controls the water supply unit to work. The invention utilizes the constant-pressure buffer tank for dynamic compensation, the high-pressure compensation pressure stabilizing tank and the ultrahigh-pressure energy storage tank for compensation and pressure stabilization of the water inlet pipe and the water outlet pipe, does not generate negative pressure for municipal pipe networks and ensures that the water supply system is used for uninterrupted constant-pressure water supply at a water end.
Description
Technical Field
The invention relates to the field of water supply equipment, in particular to full-frequency-conversion intelligent compensation type pressure-superposed water supply equipment.
Background
At present, a common water supply device is a direct pipe network pressure-superposed device (hereinafter referred to as a device for short), and the working principle is as follows: municipal pipe network water inflow has kept municipal pipe network water inflow pressure through steady voltage equalizer, gets into the water pump, supplies the user after the water pump pressurization. The direct pipe network pressure-superposed equipment can make full use of the pressure of the municipal pipe network, so that the pump lift of the water pump is reduced, the power is reduced, the effects of energy conservation and consumption reduction are achieved, and the totally enclosed water supply mode can avoid the secondary pollution of water and ensure the safety and sanitation of water use.
However, the existing direct pipe network pressure-superposed equipment still has partial defects:
1. when the municipal pipe network is lack of water, the water supply system can only be in a shutdown protection state, and normal water supply is influenced;
2. when the municipal pipe network pressure is unstable or the water consumption of a user is irregular, the equipment is easy to start and stop frequently, the conditions of unstable water pressure and discontinuous water supply are easy to occur when the equipment is started and stopped intermittently, and the water pump motor is damaged due to the frequent start and stop of the equipment, so that the damage fault of a control system is easy to cause, and the service life of the equipment is greatly reduced;
3. when the water consumption of a user is small, the equipment is close to idle running, the running efficiency of the water pump is low, and the low-frequency running for a long time can cause overheating of the pump and damage of the water pump.
Disclosure of Invention
The invention aims to provide full-frequency-conversion intelligent compensation type pressure-superposed water supply equipment for stabilizing and compensating a user pipe network and reducing the starting times of a water pump.
The technical scheme for realizing the purpose of the invention is as follows: a full-frequency-conversion intelligent compensation type pressure-superposed water supply device comprises a water inlet pipe, a constant-pressure buffer tank, a water supply unit, a high-pressure compensation pressure-stabilizing tank, an ultrahigh-pressure energy storage tank, a multi-directional compensation control unit, a water outlet pipe and a frequency-conversion constant-pressure control system; the water inlet pipe is communicated with a municipal pipe network; the constant-pressure buffer tank is provided with a water inlet, a water outlet and a first water inlet and a first water outlet; the water inlet is communicated with the water inlet pipe; the water outlet is communicated with a water supply unit; the first water inlet and outlet are communicated with a second water inlet and outlet of the high-pressure compensation pressure stabilizing tank and a second water inlet and outlet of the ultrahigh-pressure energy storage tank through a multidirectional compensation control unit; the water supply unit is communicated with the water outlet pipe; the water outlet pipe is communicated with a water using end of a user; and the variable-frequency constant-pressure control system controls the water supply unit to work.
And a flow controller and a filter are sequentially arranged on the water inlet pipe along the flowing direction of water.
The water supply unit comprises at least two water pump assemblies; the input end of each water pump assembly is communicated with the water outlet of the constant-pressure buffer tank, and the output end of each water pump assembly is communicated with the water outlet pipe.
The water supply unit also comprises a bypass water pipe; two ends of the bypass water pipe are respectively communicated with a water outlet and a water outlet pipe of the constant-pressure buffer tank; and a valve and a check valve are arranged on the bypass water pipe.
The compensation pressure of the high-pressure compensation pressure stabilizing tank and the ultrahigh-pressure energy storage tank is controlled by the pressurization energy storage unit; the maximum compensation pressure of the ultrahigh pressure energy storage tank is higher than that of the high pressure compensation pressure stabilizing tank.
The water outlet pipe is provided with a water outlet pressure sensor; a water inlet pressure sensor is arranged on the water inlet pipe; the water outlet pressure sensor of the water outlet pipe and the water inlet pressure sensor of the water inlet pipe are connected with the variable-frequency constant-pressure control system and transmit pressure signals; the variable-frequency constant-pressure control system controls the operating frequency of each water pump assembly of the water supply unit through the received pressure signal.
The multi-directional compensation control unit is respectively communicated with the water outlet pipe, the constant-pressure buffer tank, the high-pressure compensation pressure stabilizing tank and the ultrahigh-pressure energy storage tank, and multi-directional compensation among the multi-directional compensation control unit and the ultrahigh-pressure energy storage tank is realized through control of the variable-frequency constant-pressure control system.
The inner cavity of the high-pressure compensation pressure stabilizing tank is internally provided with a first water storage space and a first air bag; the first air bag is connected with the pressurization energy storage unit through an air pipe.
The inner cavity of the ultrahigh pressure energy storage tank is internally provided with a second water storage space and a second air bag; the second air bag is connected with the pressurizing energy storage unit through an air pipe.
By adopting the technical scheme, the invention has the following beneficial effects: the invention utilizes the constant-pressure buffer tank dynamic compensation, the high-pressure compensation pressure stabilizing tank and the ultrahigh-pressure energy storage tank to compensate and stabilize the water inlet pipe and the water outlet pipe, realizes water inlet compensation, water outlet pipe pressure stabilization and small-flow shutdown pressure maintaining, does not generate negative pressure for municipal pipe networks and ensures that the water supply system is used for uninterrupted constant-pressure water supply at water using ends.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers are: the water supply system comprises a water inlet pipe 1, a flow controller 1-1, a filter 1-2, a water inlet pressure sensor 1-3, a constant pressure buffer tank 2, a water inlet 2-1, a water outlet 2-2, a first water inlet and outlet 2-3, a water supply unit 3, a water pump assembly 3-1, a bypass water pipe 3-2, a high pressure compensation pressure stabilizing tank 4, a second water inlet and outlet 4-1, an ultrahigh pressure energy storage tank 5, a second water inlet and outlet 5-1, a multidirectional compensation control unit 6, a water outlet pipe 7, a water outlet pressure sensor 7-1 and a pressurization energy storage unit 8.
Detailed Description
Example one
Referring to fig. 1, the full frequency conversion intelligent compensation type pressure-superposed water supply equipment of the embodiment comprises a water inlet pipe 1, a constant pressure buffer tank 2, a water supply unit 3, a high pressure compensation pressure stabilizing tank 4, an ultrahigh pressure energy storage tank 5, a multidirectional compensation control unit 6, a water outlet pipe 7 and a frequency conversion constant pressure control system.
The water inlet pipe 1 is communicated with a municipal pipe network. The constant pressure buffer tank 2 is provided with a water inlet 2-1, a water outlet 2-2 and a first water inlet and outlet 2-3. The water inlet 2-1 is communicated with the water inlet pipe 1. The water outlet 2-2 is communicated with a water supply unit 3. The first water inlet and outlet 2-3 is communicated with a second water inlet and outlet 4-1 of the high-pressure compensation pressure stabilizing tank 4 and a second water inlet and outlet 5-1 of the ultrahigh-pressure energy storage tank 5 through a multidirectional compensation control unit 6. The water supply unit 3 is communicated with the water outlet pipe 7. The water outlet pipe 7 is communicated with a water using end of a user. The variable-frequency constant-pressure control system controls the water supply unit 3 to work.
In this embodiment, a flow controller 1-1 and a filter 1-2 are sequentially disposed on the water inlet pipe 1 along the flow direction of water.
In the present embodiment, the water supply unit 3 includes at least two water pump assemblies 3-1. The input end of each water pump assembly 3-1 is communicated with the water outlet 2-2 of the constant-pressure buffer tank 2, and the output end of each water pump assembly 3-1 is communicated with the water outlet pipe 7.
The water supply unit 3 also comprises a bypass water pipe 3-2. Two ends of the bypass water pipe 3-2 are respectively communicated with a water outlet 2-2 of the constant-pressure buffer tank 2 and a water outlet pipe 7. A valve and a check valve are arranged on the bypass water pipe 3-2.
In the present embodiment, the compensation pressures of the high-pressure compensation surge tank 4 and the ultrahigh-pressure energy storage tank 5 are both controlled by the pressurized energy storage unit 8. The maximum compensation pressure of the ultrahigh pressure energy storage tank 5 is higher than that of the high pressure compensation pressure stabilizing tank 4.
In this embodiment, the second water inlet and outlet 4-1 of the high-pressure compensation pressure stabilizing tank 4 and the second water inlet and outlet 5-1 of the ultrahigh-pressure energy storage tank 5 are both communicated with the water outlet pipe 7 through the multi-directional compensation control unit 6, so that the tap water stored in the high-pressure compensation pressure stabilizing tank 4 and the ultrahigh-pressure energy storage tank 5 can be used in an emergency when the municipal pipe network stops water supply.
In this embodiment, the water outlet pipe 7 is provided with a water outlet pressure sensor 7-1. The water inlet pipe 1 is provided with a water inlet pressure sensor 1-3. The water outlet pressure sensor 7-1 of the water outlet pipe 7 and the water inlet pressure sensor 1-3 of the water inlet pipe 1 are connected with a variable frequency constant pressure control system and transmit pressure signals. The variable-frequency constant-pressure control system controls the operating frequency of each water pump assembly 3-1 of the water supply unit 3 through the received pressure signals and controls the multidirectional compensation control unit 6 and the pressurization energy storage unit 8 to work.
In the embodiment, the multi-directional compensation control unit 6 is respectively communicated with the water outlet pipe 7, the constant-pressure buffer tank 2, the high-pressure compensation surge tank 4 and the ultrahigh-pressure energy storage tank 5; and multi-directional compensation among the variable-frequency constant-voltage control systems is realized through control of the variable-frequency constant-voltage control systems.
In the present embodiment, the first water storage space and the first air bag are provided in the inner cavity of the high-pressure compensation surge tank 4. The first air bag is connected with the pressurization energy storage unit 8 through an air pipe.
In the present embodiment, the second water storage space and the second air bag are provided in the inner cavity of the ultrahigh pressure energy storage tank 5. The second air bag is connected with the pressurizing energy storage unit 8 through an air pipe.
In the water supply control method of the full-variable-frequency intelligent compensation type pressure-superposed water supply equipment of the embodiment, a municipal pipe network supplies tap water to a water inlet pipe 1, the tap water on the water inlet pipe 1 enters a constant pressure buffer tank 2 after being filtered by a filter 1-2, a water inlet pressure sensor 1-3 detects the water supply pressure of the municipal pipe network in real time, a flow controller 1-1 controls the flow of a water inlet 2-1 of the constant pressure buffer tank 2 according to the pressure value detected by the water inlet pressure sensor 1-3, so as to ensure that the municipal pipe network does not generate negative pressure and maximally meet the water demand of a user, when the water is used, the residual pressure of the municipal pipe network is utilized, the constant pressure buffer tank 2 buffers and stores water and supplies water to a water outlet pipe 7 through a water pump assembly 3-1 or a bypass water pipe 3, meanwhile, the constant-pressure buffer tank 2 stores water in the high-pressure compensation pressure stabilizing tank 4 and the ultrahigh-pressure energy storage tank 5 through the multidirectional compensation control unit 6 during the low peak of water consumption, so that pressurized water supply is performed during the high peak of standby water. During the peak period of water consumption, the high-pressure compensation pressure stabilizing tank 4 and/or the ultrahigh-pressure energy storage tank 5 pressurize tap water stored in the high-pressure compensation pressure stabilizing tank and replenish water to the constant-pressure buffer tank 2 through the multi-directional compensation control unit 6.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a full frequency conversion intelligent compensation formula pressure-superposed water supply equipment which characterized in that: the device comprises a water inlet pipe (1), a constant-pressure buffer tank (2), a water supply unit (3), a high-pressure compensation pressure stabilizing tank (4), an ultrahigh-pressure energy storage tank (5), a multidirectional compensation control unit (6), a water outlet pipe (7) and a variable-frequency constant-pressure control system; the water inlet pipe (1) is communicated with a municipal pipe network; the constant-pressure buffer tank (2) is provided with a water inlet (2-1), a water outlet (2-2) and a first water inlet and a first water outlet (2-3); the water inlet (2-1) is communicated with the water inlet pipe (1); the water outlet (2-2) is communicated with a water supply unit (3); the first water inlet and outlet (2-3) is communicated with a second water inlet and outlet (4-1) of the high-pressure compensation pressure stabilizing tank (4) and a second water inlet and outlet (5-1) of the ultrahigh-pressure energy storage tank (5) through a multidirectional compensation control unit (6); the water supply unit (3) is communicated with the water outlet pipe (7); the water outlet pipe (7) is communicated with a water using end of a user; and the variable-frequency constant-pressure control system controls the water supply unit (3) to work.
2. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 1, characterized in that: and the water inlet pipe (1) is sequentially provided with a flow controller (1-1) and a filter (1-2) along the flowing direction of water.
3. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 1, characterized in that: the water supply unit (3) comprises at least two water pump assemblies (3-1); the input end of each water pump assembly (3-1) is communicated with the water outlet (2-2) of the constant-pressure buffer tank (2), and the output end of each water pump assembly (3-1) is communicated with the water outlet pipe (7).
4. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 2, characterized in that: the water supply unit (3) also comprises a bypass water pipe (3-2); two ends of the bypass water pipe (3-2) are respectively communicated with a water outlet (2-2) of the constant-pressure buffer tank (2) and a water outlet pipe (7); and a valve and a check valve are arranged on the bypass water pipe (3-2).
5. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 1, characterized in that: the compensation pressure of the high-pressure compensation pressure stabilizing tank (4) and the ultrahigh-pressure energy storage tank (5) is controlled by a pressurization energy storage unit (8); the maximum compensation pressure of the ultrahigh pressure energy storage tank (5) is higher than that of the high pressure compensation pressure stabilizing tank (4).
6. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 3, is characterized in that: a water outlet pressure sensor (7-1) is arranged on the water outlet pipe (7); a water inlet pressure sensor (1-3) is arranged on the water inlet pipe (1); the water outlet pressure sensor (7-1) of the water outlet pipe (7) and the water inlet pressure sensor (1-3) of the water inlet pipe (1) are connected with the variable-frequency constant-pressure control system and transmit pressure signals; the variable-frequency constant-pressure control system controls the operating frequency of each water pump assembly (3-1) of the water supply unit (3) through the received pressure signal.
7. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 1, characterized in that: the multi-directional compensation control unit (6) is respectively communicated with the water outlet pipe (7), the constant-pressure buffer tank (2), the high-pressure compensation pressure stabilizing tank (4) and the ultrahigh-pressure energy storage tank (5), and multi-directional compensation among the multi-directional compensation control unit and the ultrahigh-pressure energy storage tank is realized through the control of the variable-frequency constant-pressure control system.
8. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 5, is characterized in that: the inner cavity of the high-pressure compensation pressure stabilizing tank (4) is internally provided with a first water storage space and a first air bag; the first air bag is connected with a pressurization energy storage unit (8) through an air pipe.
9. The full frequency conversion intelligent compensation type pressure-superposed water supply equipment according to claim 5, is characterized in that: the inner cavity of the ultrahigh pressure energy storage tank (5) is internally provided with a second water storage space and a second air bag; the second air bag is connected with a pressurizing energy storage unit (8) through an air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241998.3A CN110924477A (en) | 2019-12-06 | 2019-12-06 | Full frequency conversion intelligent compensation type pressure-superposed water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241998.3A CN110924477A (en) | 2019-12-06 | 2019-12-06 | Full frequency conversion intelligent compensation type pressure-superposed water supply equipment |
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| CN110924477A true CN110924477A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911241998.3A Pending CN110924477A (en) | 2019-12-06 | 2019-12-06 | Full frequency conversion intelligent compensation type pressure-superposed water supply equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028962A (en) * | 2021-11-18 | 2022-02-11 | 上海捷乔纳米科技有限公司 | Micro-nano bubble generating system |
| CN115463567A (en) * | 2021-12-08 | 2022-12-13 | 中国农业大学 | Micro-nano bubble water treatment generator |
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| CN102704536A (en) * | 2012-06-26 | 2012-10-03 | 广西佛泵科技有限公司 | Non-negative pressure water supply facility |
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| CN204023720U (en) * | 2014-08-29 | 2014-12-17 | 天津泛华清源水务科技发展有限公司 | A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment |
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| CN207073165U (en) * | 2017-05-23 | 2018-03-06 | 浙江海润水务科技有限公司 | A kind of voltage stabilizing pot type intelligent frequency-conversion non-negative pressure water-supply installation |
| US20190010681A1 (en) * | 2016-03-18 | 2019-01-10 | Lianke SHI | Water supply system |
| CN110173023A (en) * | 2019-06-24 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of three tank body stabilizing compensation non-negative pressure water-supply devices |
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2019
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| CN102704536A (en) * | 2012-06-26 | 2012-10-03 | 广西佛泵科技有限公司 | Non-negative pressure water supply facility |
| CN104074237A (en) * | 2013-03-27 | 2014-10-01 | 北京威派格科技发展有限公司 | Novel water supply device with water quality improving module |
| CN204023720U (en) * | 2014-08-29 | 2014-12-17 | 天津泛华清源水务科技发展有限公司 | A kind of without negative pressure bidirectional offset-type automatic energy saving supply equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028962A (en) * | 2021-11-18 | 2022-02-11 | 上海捷乔纳米科技有限公司 | Micro-nano bubble generating system |
| CN115463567A (en) * | 2021-12-08 | 2022-12-13 | 中国农业大学 | Micro-nano bubble water treatment generator |
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Application publication date: 20200327 |