CN108166562A - A kind of clean non-negative pressure water-supply installation of water quality - Google Patents
A kind of clean non-negative pressure water-supply installation of water quality Download PDFInfo
- Publication number
- CN108166562A CN108166562A CN201711299240.6A CN201711299240A CN108166562A CN 108166562 A CN108166562 A CN 108166562A CN 201711299240 A CN201711299240 A CN 201711299240A CN 108166562 A CN108166562 A CN 108166562A
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- China
- Prior art keywords
- water
- water pump
- pipe
- steady
- flow tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 230000000670 limiting effect Effects 0.000 claims abstract description 24
- 230000005764 inhibitory process Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
-
- 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
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- 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
- E03B7/077—Arrangement of backflow preventing 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
- E03B7/09—Component parts or accessories
Landscapes
- 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)
- Mechanical Engineering (AREA)
- Brushes (AREA)
Abstract
The invention discloses the non-negative pressure water-supply installations that a kind of water quality is clean, including pedestal, first water pump, steady-flow tank, second water pump and PLC controller, the water inlet of first water pump is connected with running water pipe, the junction of first water pump and running water pipe is provided with intake pressure sensor, the top of first water pump is equipped with negative pressure inhibition device and the water outlet of the first water pump is connected by the first water pipe with the water inlet of steady-flow tank, cleaning device is provided on steady-flow tank, cleaning device includes electric rotating machine, rotary shaft and hairbrush, the water outlet of steady-flow tank is connected by the second water pipe with the second water pump and the junction of the second water pipe and the second water pump is provided with pressure limiting device, the water outlet of second water pump is connected with outlet pipe and is provided with discharge pressure sensor on outlet pipe.The device can be purged the dirt in steady-flow tank by setting cleaning device in steady-flow tank, ensure that people can drink clean water, ensure that the health of people.
Description
Technical field
The present invention relates to water supply field, the clean non-negative pressure water-supply installation of specifically a kind of water quality.
Background technology
Water is Source of life, is all too busy to get away resource of people's life daily, the high energy consumption in economic development is also into me
It needs urgently to solve the problems, such as in state's industry and resident living, energy saving with making rapid progress for power-saving technology, reducing the energy makes
With cost, in town dweller builds, with increasing for skyscraper, the extension of municipal tap water pipeline, because of tap water pressure
Caused by deficiency with water it is difficult the problems such as occur, unit or individual must supply water city public water supply or self-built facility through storage
It deposits, pressurize, for user or used by oneself again by pipeline, here it is secondary water-supply, the use of secondary water-supply equipment is more and more extensive, nothing
Negative pressure water-supply installation is the secondary water-supply equipment that people are commonly used.
Non-negative pressure water-supply installation is that a kind of pressurization water supply unit directly couples with municipal network water supply, in city planting ductwork residue
Series connection, which laminates, on pressure-based supplies water and ensures second pressure water supply equipment of the municipal ductwork pressure not less than setting protection pressure.
But in existing non-negative pressure water-supply installation, there is incrustation scales, it is not easy to clear up, can not ensure that water quality is clean in pipe, affect residence
The health of the people, this just brings puzzlement for the use of people.
Invention content
The purpose of the present invention is to provide the non-negative pressure water-supply installation that a kind of water quality is clean, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution:
A kind of clean non-negative pressure water-supply installation of water quality is controlled including pedestal, the first water pump, steady-flow tank, the second water pump and PLC
Device, first water pump are mounted on pedestal, and the water inlet of the first water pump is connected with running water pipe and is set on running water pipe
It is equipped with check-valves, the junction of the first water pump and running water pipe is provided with intake pressure sensor, the top installation of the first water pump
There is the water outlet of negative pressure inhibition device and the first water pump to be connected by the first water pipe with the water inlet of steady-flow tank, set on steady-flow tank
Be equipped with cleaning device, cleaning device includes electric rotating machine, rotary shaft and hairbrush, electric rotating machine be mounted on the outside of steady-flow tank and
The output terminal of electric rotating machine is connected with rotary shaft, and rotary shaft is stretched into steady-flow tank, and hairbrush is evenly distributed on the circumference side of rotary shaft
Upward and hairbrush is bonded the inner wall of steady-flow tank, and the through-hole for reducing resistance, the inner wall setting of steady-flow tank are provided on hairbrush
There are multiple static items and static item and hairbrush are staggered, static item, hairbrush and rotary shaft are used cooperatively, the lower end of steady-flow tank
It is provided on blow-off pipe and blow-off pipe and is provided with blowdown valve, the water outlet of steady-flow tank is connected by the second water pipe with the second water pump
The logical and junction of the second water pipe and the second water pump is provided with pressure limiting device, and the water outlet of the second water pump is connected simultaneously with outlet pipe
And discharge pressure sensor is provided on outlet pipe, the first water pump and the second water pump are using variable frequency adjustment water pump, PLC controller
Lead to respectively with intake pressure sensor, discharge pressure sensor, the first water pump, the second water pump, negative pressure inhibition device and electric rotating machine
Cross signal connection.
As further embodiment of the present invention:The lower end of first water pump is fixed on by two support columns on pedestal.
As further embodiment of the present invention:Sliding piece is provided in rotary shaft, sliding piece is hinged on rotation by articulated shaft
In shaft.
As further embodiment of the present invention:Sliding piece and hairbrush are arranged in a crossed manner, and the quantity of hairbrush is 3-8.
As further embodiment of the present invention:Pressure limiting device includes pressure limiting shell and air bag, the both sides of pressure limiting shell inner cavity
It is fixedly connected with the limiting plate being equipped with air bag and limiting plate is located at the top of air bag, the bottom of pressure limiting shell is run through
Communicating pipe is provided with, the bottom end of communicating pipe is connected with the top of the second water pipe, and the top of communicating pipe was communicated with hyponome, air bag
Through being arranged on hyponome, the bottom of air bag is through the bottom of communicating pipe and the communicating pipe of extending to.
The workflow of the clean non-negative pressure water-supply installation of the water quality, is as follows:
Step 1, the water in running water pipe flow into the first water pump, and intake pressure sensor detects intake pressure in real time, when
When detecting intake pressure not within a preset range, PLC controller adjusts the rotating speed of the first water pump and then adjusts intake pressure, directly
Influent pressure force value is detected to intake pressure sensor within a preset range, and negative pressure inhibition device carries out the pressure in the first water pump
Water is delivered to steady-flow tank by balance, the first water pump by the first water pipe;
Water is delivered to the second water pump by step 2, steady-flow tank by the second water pipe, in the process, PLC controller control rotation
Motor works, and electric rotating machine drives rotary shaft work, and so as to be rotated with electric brush, hairbrush can be quiet to the inner wall scale removal of steady-flow tank
Only with hairbrush with the use of that can strengthen mixing effect so that scale removal effect is more preferable, the through-hole on hairbrush can reduce to be stirred item
Resistance during mixing, mixing effect are more preferable;
Water is delivered to outlet pipe by step 3, the second water pump again, and the discharge pressure sensor of water outlet pipe part carries out discharge pressure
Detection in real time, when detecting discharge pressure not within a preset range, PLC controller adjusts the rotating speed of the second water pump and then adjusting
Discharge pressure, until discharge pressure sensor detects water outlet pressure force value within a preset range.
Compared with prior art, the beneficial effects of the invention are as follows:The device reasonable design, it is clear by being set in steady-flow tank
Cleaning device can be purged the dirt in steady-flow tank, ensure that people can drink clean water, ensure that the body of people
Body health;The device is connect by PLC controller with other component signal, it is ensured that and intake pressure and discharge pressure are constant,
Use reliability is good.
Description of the drawings
Fig. 1 is the structure diagram of the clean non-negative pressure water-supply installation of water quality.
Fig. 2 is the structure diagram of steady-flow tank in the clean non-negative pressure water-supply installation of water quality.
Fig. 3 is the fundamental diagram of the clean non-negative pressure water-supply installation of water quality.
Wherein:1- pedestals, 2- support columns, the first water pumps of 3-, 4- steady-flow tanks, 5- running water pipes, 6- check-valves, 7- influent pressures
Force snesor, 8- negative pressure inhibition devices, the first water pipes of 9-, 10- sliding pieces, the second water pumps of 11-, the second water pipes of 12-, 13- pressure limitings dress
It puts, 14- outlet pipes, 15- discharge pressure sensors, 16-PLC controllers, 17- electric rotating machines, 18- rotary shafts, 19- hairbrush, 20-
Through-hole, the static items of 21-, 22- articulated shafts, 23- blow-off pipes.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of clean non-negative pressure water-supply installation of water quality, including pedestal 1, the first water pump 3, steady-flow tank 4,
Second water pump 11 and PLC controller 16, first water pump 3 are mounted on pedestal 1, the water inlet and tap water of the first water pump 3
Pipe 5 is connected and check-valves 6 is provided on running water pipe 5, and the junction of the first water pump 3 and running water pipe 5 is provided with into water
Pressure sensor 7, the top of the first water pump 3 is equipped with negative pressure inhibition device 8 and the water outlet of the first water pump 3 passes through the first water pipe
9 are connected with the water inlet of steady-flow tank 4, and cleaning device is provided on steady-flow tank 4, and cleaning device includes electric rotating machine 17, rotation
Axis 18 and hairbrush 19, electric rotating machine 17 is mounted on the outside of steady-flow tank 4 and the output terminal of electric rotating machine 17 and 18 phase of rotary shaft
Even, rotary shaft 18 is stretched into steady-flow tank 4, and hairbrush 19 is evenly distributed on the circumferencial direction of rotary shaft 18 and hairbrush 19 is bonded surely
The inner wall of tank 4 is flowed, the through-hole 20 for reducing resistance is provided on hairbrush 19, the inner wall of steady-flow tank 4 is provided with multiple static items
21 and static item 21 and hairbrush 19 be staggered, static item 21, hairbrush 19 and rotary shaft 18 are used cooperatively, under steady-flow tank 4
End is provided on blow-off pipe 23 and blow-off pipe 23 and is provided with blowdown valve, and the water outlet of steady-flow tank 4 passes through the second water pipe 12 and the
Two water pumps 11 are connected and the junction of the second water pipe 12 and the second water pump 11 is provided with pressure limiting device 13, the second water pump 11
Water outlet is connected with outlet pipe 14 and is provided with discharge pressure sensor 15, the first water pump 3 and the second water pump on outlet pipe 14
11 using variable frequency adjustment water pump, PLC controller 16 respectively with intake pressure sensor 7, discharge pressure sensor 15, the first water
The 3, second water pump 11 of pump, negative pressure inhibition device 8 are connected with electric rotating machine 17 by signal.The lower end of first water pump 3 passes through two branch
Dagger 2 is fixed on pedestal 1.Sliding piece 10 is provided in rotary shaft 18, sliding piece 10 is hinged on rotary shaft by articulated shaft 22
On 18, sliding piece 10 and hairbrush 19 are arranged in a crossed manner, and the quantity of hairbrush 19 is 3-8, and sliding piece 10 can be put with flow
It is dynamic, strengthen mixing effect.Pressure limiting device 13 includes pressure limiting shell and air bag, and the both sides of pressure limiting shell inner cavity have been fixedly connected with
The limiting plate and limiting plate being equipped with air bag are located at the top of air bag, and the bottom of pressure limiting shell is provided through connecting
Pipe, the bottom end of communicating pipe are connected with the top of the second water pipe, and the top of communicating pipe was communicated with hyponome, and air bag, which runs through, to be arranged on
It crosses on hyponome, through the bottom of communicating pipe and the communicating pipe of extending to, pressure limiting device 13 can be to avoid due to going out for the bottom of air bag
Second water pump, 11 high loaded process caused by the level height of the mouth of a river and water inlet has big difference, extends the second water pump 11
Service life.
The workflow of the clean non-negative pressure water-supply installation of the water quality, is as follows:
Step 1, the water in running water pipe flow into the first water pump, and intake pressure sensor detects intake pressure in real time, when
When detecting intake pressure not within a preset range, PLC controller adjusts the rotating speed of the first water pump and then adjusts intake pressure, directly
Influent pressure force value is detected to intake pressure sensor within a preset range, and negative pressure inhibition device carries out the pressure in the first water pump
Water is delivered to steady-flow tank by balance, the first water pump by the first water pipe;
Water is delivered to the second water pump by step 2, steady-flow tank by the second water pipe, in the process, PLC controller control rotation
Motor works, and electric rotating machine drives rotary shaft work, and so as to be rotated with electric brush, hairbrush can be quiet to the inner wall scale removal of steady-flow tank
Only with hairbrush with the use of that can strengthen mixing effect so that scale removal effect is more preferable, the through-hole on hairbrush can reduce to be stirred item
Resistance during mixing, mixing effect are more preferable;
Water is delivered to outlet pipe by step 3, the second water pump again, and the discharge pressure sensor of water outlet pipe part carries out discharge pressure
Detection in real time, when detecting discharge pressure not within a preset range, PLC controller adjusts the rotating speed of the second water pump and then adjusting
Discharge pressure, until discharge pressure sensor detects water outlet pressure force value within a preset range.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. the clean non-negative pressure water-supply installation of a kind of water quality, which is characterized in that including pedestal, the first water pump, steady-flow tank, the second water
Pump and PLC controller, first water pump are mounted on pedestal, and the water inlet of the first water pump is connected with running water pipe and oneself
To be provided with check-valves on water pipe, the junction of the first water pump and running water pipe is provided with intake pressure sensor, the first water pump
Top negative pressure inhibition device is installed and the water outlet of the first water pump is connected by the first water pipe with the water inlet of steady-flow tank,
Cleaning device is provided on steady-flow tank, cleaning device includes electric rotating machine, rotary shaft and hairbrush, and electric rotating machine is mounted on steady-flow tank
Outside and the output terminal of electric rotating machine be connected with rotary shaft, rotary shaft is stretched into steady-flow tank, and hairbrush is evenly distributed on rotation
On the circumferencial direction of axis and hairbrush is bonded the inner wall of steady-flow tank, and the through-hole for reducing resistance, steady-flow tank are provided on hairbrush
Inner wall be provided with multiple static items and static item and hairbrush are staggered, static item, hairbrush and rotary shaft are used cooperatively, surely
The lower end of stream tank is provided on blow-off pipe and blow-off pipe and is provided with blowdown valve, and the water outlet of steady-flow tank passes through the second water pipe and the
Two water pumps are connected and the junction of the second water pipe and the second water pump is provided with pressure limiting device, and the water outlet of the second water pump is with going out
Water pipe is connected and discharge pressure sensor is provided on outlet pipe, and the first water pump and the second water pump use variable frequency adjustment water
Pump, PLC controller respectively with intake pressure sensor, discharge pressure sensor, the first water pump, the second water pump, negative pressure inhibition device
It is connected with electric rotating machine by signal.
2. the clean non-negative pressure water-supply installation of water quality according to claim 1, which is characterized in that under first water pump
End is fixed on by two support columns on pedestal.
3. the clean non-negative pressure water-supply installation of water quality according to claim 1, which is characterized in that set in the rotary shaft
There is sliding piece, sliding piece is hinged on the rotary shaft by articulated shaft
The clean non-negative pressure water-supply installation of water quality according to claim 3, which is characterized in that the sliding piece and hairbrush are handed over
Fork setting, the quantity of hairbrush is 3-8.
4. the clean non-negative pressure water-supply installation of water quality according to claim 1, which is characterized in that the pressure limiting device includes
Pressure limiting shell and air bag, the both sides of pressure limiting shell inner cavity are fixedly connected with the limiting plate being equipped with air bag and limiting plate
Positioned at the top of air bag, the bottom of pressure limiting shell is provided through communicating pipe, and the bottom end of communicating pipe and the top of the second water pipe connect
Logical, the top of communicating pipe was communicated with hyponome, and for air bag through being arranged on hyponome, communicating pipe is run through simultaneously in the bottom of air bag
Extend to the bottom of communicating pipe.
5. a kind of workflow of the clean non-negative pressure water-supply installation of water quality as described in claim 1-5 is any, feature exist
In being as follows:
Step 1, the water in running water pipe flow into the first water pump, and intake pressure sensor detects intake pressure in real time, when
When detecting intake pressure not within a preset range, PLC controller adjusts the rotating speed of the first water pump and then adjusts intake pressure, directly
Influent pressure force value is detected to intake pressure sensor within a preset range, and negative pressure inhibition device carries out the pressure in the first water pump
Water is delivered to steady-flow tank by balance, the first water pump by the first water pipe;
Water is delivered to the second water pump by step 2, steady-flow tank by the second water pipe, in the process, PLC controller control rotation
Motor works, and electric rotating machine drives rotary shaft work, and so as to be rotated with electric brush, hairbrush can be quiet to the inner wall scale removal of steady-flow tank
Only with hairbrush with the use of that can strengthen mixing effect so that scale removal effect is more preferable, the through-hole on hairbrush can reduce to be stirred item
Resistance during mixing, mixing effect are more preferable;
Water is delivered to outlet pipe by step 3, the second water pump again, and the discharge pressure sensor of water outlet pipe part carries out discharge pressure
Detection in real time, when detecting discharge pressure not within a preset range, PLC controller adjusts the rotating speed of the second water pump and then adjusting
Discharge pressure, until discharge pressure sensor detects water outlet pressure force value within a preset range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711299240.6A CN108166562A (en) | 2017-12-08 | 2017-12-08 | A kind of clean non-negative pressure water-supply installation of water quality |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711299240.6A CN108166562A (en) | 2017-12-08 | 2017-12-08 | A kind of clean non-negative pressure water-supply installation of water quality |
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CN108166562A true CN108166562A (en) | 2018-06-15 |
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CN201711299240.6A Pending CN108166562A (en) | 2017-12-08 | 2017-12-08 | A kind of clean non-negative pressure water-supply installation of water quality |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160378A (en) * | 2020-10-12 | 2021-01-01 | 安徽兴安电气设备股份有限公司 | Descaling and cleaning secondary water supply equipment |
CN117569415A (en) * | 2024-01-17 | 2024-02-20 | 华电水务栾城有限公司 | Energy-saving environment-friendly negative-pressure-free intelligent water supply pump room |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202132248U (en) * | 2011-07-11 | 2012-02-01 | 郭金辉 | Non-negative pressure energy-saving pump |
CN203307157U (en) * | 2013-06-28 | 2013-11-27 | 大庆油田飞马有限公司 | Sewage filter for production of sec-butyl acetate |
CN103590451A (en) * | 2013-11-19 | 2014-02-19 | 卢云飞 | Tail end supercharging device applied to pipeline network of tap water |
CN203527651U (en) * | 2013-11-12 | 2014-04-09 | 安徽理工大学 | Novel horizontal type mixer |
CN107089782A (en) * | 2017-06-06 | 2017-08-25 | 安徽鹰龙工业设计有限公司 | A kind of pressure-adjusting type sludge dehydration device |
CN206438552U (en) * | 2017-01-17 | 2017-08-25 | 张勇 | In a kind of skyscraper without negative pressure energy-saving supply equipment |
CN206581329U (en) * | 2017-03-01 | 2017-10-24 | 云南星展科技有限公司 | A kind of non-negative pressure frequency-changing water supply device |
-
2017
- 2017-12-08 CN CN201711299240.6A patent/CN108166562A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202132248U (en) * | 2011-07-11 | 2012-02-01 | 郭金辉 | Non-negative pressure energy-saving pump |
CN203307157U (en) * | 2013-06-28 | 2013-11-27 | 大庆油田飞马有限公司 | Sewage filter for production of sec-butyl acetate |
CN203527651U (en) * | 2013-11-12 | 2014-04-09 | 安徽理工大学 | Novel horizontal type mixer |
CN103590451A (en) * | 2013-11-19 | 2014-02-19 | 卢云飞 | Tail end supercharging device applied to pipeline network of tap water |
CN206438552U (en) * | 2017-01-17 | 2017-08-25 | 张勇 | In a kind of skyscraper without negative pressure energy-saving supply equipment |
CN206581329U (en) * | 2017-03-01 | 2017-10-24 | 云南星展科技有限公司 | A kind of non-negative pressure frequency-changing water supply device |
CN107089782A (en) * | 2017-06-06 | 2017-08-25 | 安徽鹰龙工业设计有限公司 | A kind of pressure-adjusting type sludge dehydration device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112160378A (en) * | 2020-10-12 | 2021-01-01 | 安徽兴安电气设备股份有限公司 | Descaling and cleaning secondary water supply equipment |
CN117569415A (en) * | 2024-01-17 | 2024-02-20 | 华电水务栾城有限公司 | Energy-saving environment-friendly negative-pressure-free intelligent water supply pump room |
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