CN110185093A - A kind of double tank structure non-negative pressure method of water supply devices - Google Patents
A kind of double tank structure non-negative pressure method of water supply devices Download PDFInfo
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- CN110185093A CN110185093A CN201910426021.2A CN201910426021A CN110185093A CN 110185093 A CN110185093 A CN 110185093A CN 201910426021 A CN201910426021 A CN 201910426021A CN 110185093 A CN110185093 A CN 110185093A
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- tank body
- water supply
- negative pressure
- supply devices
- structure non
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 29
- 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 19
- 239000000463 material Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002360 preparation method 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
- 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
- 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
-
- 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
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)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to supply equipment technical field more particularly to a kind of double tank structure non-negative pressure method of water supply devices, including: a pedestal is set on ground；One high pressure tank body and a constant pressure tank body are set on pedestal, and constant pressure tank body is connected with high pressure tank body by one first connecting tube；One water inlet manifold is set to one end of constant pressure tank body, and an outfall sewer is connect by one second connecting tube with high pressure tank body, and a flange terminal pad is arranged in one end of outfall sewer；One end of at least three centrifugal pumps is connect by a valve accessories with constant pressure tank body, and the other end is connect with outfall sewer.The beneficial effects of the present invention are: solve constant pressure chamber horseshoe mouth corrosion Welding Problems, night small flow pressure maintaining ability is improved simultaneously, reduce water pump start-stop time, have the function that energy-saving and emission-reduction, package unit is compact-sized, it is small in size, realize that the water supply without negative pressure function, suitable for the building of the types such as office building, apartment, hotel, school uses.
Description
Technical field
The present invention relates to supply equipment technical field more particularly to a kind of double tank structure non-negative pressure method of water supply devices.
Background technique
Traditional single tank body non-negative pressure water-supply device, exists regardless of chamber and the structure for dividing chamber, in the case where chamber, equipment
Itself there is no compensation rate, tank body has only served the effect of pressure stabilizing, and in the case where dividing chamber, constant pressure chamber and compensating tank are in a welding manner
There are constant pressure chamber horseshoe mouth corrosion Welding Problems, influences the O&M of equipment in connection, meanwhile, influence the safety of water quality.
No negative pressure equipment is mainly used in cell, Gongjian's intermediate item, and municipal administration comes the relatively good area of water pressure, together
When, no negative pressure equipment is small compared with " frequency conversion+water tank " occupation area of equipment, more can energy-saving and emission-reduction, improve being tested with water body for user.Mesh
Before, no negative pressure equipment obtains the approval of most of user, the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties, how to improve the safety of equipment, being tested with water body for user is existing
Modern urgent problem to be solved.
Summary of the invention
In view of the problems of the existing technology and drawback, the present invention propose a kind of double tank structure non-negative pressure method of water supply devices,
Specific technical solution is as follows:
A kind of double tank structure non-negative pressure method of water supply devices, including:
One pedestal, the pedestal are set on ground；
One high pressure tank body, the high pressure tank body are set on the pedestal；
One constant pressure tank body, the constant pressure tank body are set on the pedestal, and the constant pressure tank body and the high pressure tank body are logical
Cross the connection of one first connecting tube；
One water inlet manifold, the water inlet manifold are set to one end of the constant pressure tank body, the water inlet manifold and described the
One connecting tube communicates；
One outfall sewer, the outfall sewer are connect by one second connecting tube with the high pressure tank body, and the water outlet is total
A flange terminal pad is arranged in one end of pipe；
One end of at least three centrifugal pumps, at least three centrifugal pumps is connected by a valve accessories and the constant pressure tank body
It connects, the other end of at least three centrifugal pumps is connect with the outfall sewer.
Further, the valve accessories quantity and the centrifugal pump quantity are adapted.
Further, an electromagnetic relief pressure valve is also set up in first connecting tube.
Further, a pressure transmitter is respectively set on the water inlet manifold and the outfall sewer.
Further, a motor-driven valve is also set up in second connecting tube.
Further, the pedestal is processed as hot-spraying technique.
Further, first connecting tube and second connecting tube are stainless steel material.
Further, the pressure transmitter and a control cabinet are electrically connected.
Further, at least three centrifugal pumps further include a circumscription socket.
Further, the circumscription socket connects the control cabinet.
The beneficial effects of the present invention are:
Above-mentioned double tank structure non-negative pressure water-supply devices solve constant pressure chamber horseshoe mouth by increasing the quantity of tank body
Corrode Welding Problems, while improving night small flow pressure maintaining ability, reduces water pump start-stop time, have the function that energy-saving and emission-reduction.
Package unit, it is compact-sized, it is small in size, it realizes without negative pressure function, and be suitable for the limited water supply section in space, city planting ductwork
Condition is preferable, uses in the building of types such as the biggish residential building of water demand amount, office building, apartment, hotel, school, fits
With property height, cost is effectively reduced.
Detailed description of the invention
Fig. 1 is a kind of double tank structure non-negative pressure method of water supply structure drawing of device provided by the invention；
Fig. 2 is a kind of double tank structure non-negative pressure method of water supply device side views provided by the invention；
Fig. 3 is control cabinet figure provided by the invention.
In attached drawing: 1, pedestal；2, high pressure tank body；3, constant pressure tank body；4, water inlet manifold；5, outfall sewer；6, the first connection
Pipe；7, the second connecting tube；8, flange terminal pad；9, centrifugal pump；10, valve accessories；11, electromagnetic relief pressure valve；12, pressure inverting
Device；13, motor-driven valve；14, control cabinet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
With reference to the accompanying drawing 1~3 and specific embodiment the invention will be further described, but not as limit of the invention
It is fixed.
A kind of double tank structure non-negative pressure method of water supply devices, including:
One pedestal 1, pedestal 1 are set on ground；
One high pressure tank body 2, high pressure tank body 2 are set on pedestal 1；
One constant pressure tank body 3, constant pressure tank body 3 are set on pedestal 1, and constant pressure tank body 3 and high pressure tank body 2 pass through one first connection
Pipe 6 connects；
One water inlet manifold 4, water inlet manifold 4 are set to one end of constant pressure tank body 3, and water inlet manifold 4 is communicated with the first connecting tube
6；
One outfall sewer 5, outfall sewer 5 are connect by one second connecting tube 7 with high pressure tank body 2, one end of outfall sewer 6
One flange terminal pad 8 is set；
One end of at least three centrifugal pumps 9, at least three centrifugal pumps 9 is connect by a valve accessories 10 with constant pressure tank body 3,
The other end of at least three centrifugal pumps 9 is connect with outfall sewer 5.
In above-mentioned technical proposal, by a kind of double tank structure non-negative pressure water-supply devices, single tank body of chamber will be divided to split into, greatly
Small two different double tank bodies, had both been able to satisfy the effect of pressure stabilizing, and can also accomplish the effect of transient compensation, while being also avoided that because dividing
Chamber and caused by constant pressure chamber horseshoe mouth corrode Welding Problems.The equipment is mainly used in that pipe network condition is good, and water demand amount is big
The building of the types such as residential building, apartment, office building, government house, hospital, school.
Double tank structure non-negative pressure water-supply devices make full use of municipal ductwork pressure and guarantee that city planting ductwork does not generate negative pressure,
Directly it is connect with water supply network.When peak municipal administration water deficiency, completed by high pressure tank body and comprehensive waterpower control unit instantaneous
Residual quantity compensation；When night small flow status；The small flow pressure maintaining at night is completed by high pressure tank body and comprehensive waterpower control unit
Function.Control cabinet utilizes universal network, in brand-new method by supply equipment in the real world, after sale team and advanced biography
Sensor, controller and software application connect, and push the intelligent management process of urban water supply.
As preferred embodiment, 10 quantity of valve accessories and 9 quantity of centrifugal pump are adapted.
In above-mentioned technical proposal, by suitable centrifugal pump and valve accessories, the control of water supply device is realized, it is more specific
, the quantity of centrifugal pump may be configured as 2~3 according to the actual situation, and centrifugal pump is juxtaposed to the left and righ setting, and pump and pump spacing are reasonable
Configuration, avoid interfering with each other between water pump, while water pump can size pump configuration, be suitble to the service requirement of various operating conditions, reach section
The effect of energy emission reduction.
As preferred embodiment, an electromagnetic relief pressure valve 11 is also set up in the first connecting tube 6；
A pressure transmitter 12 is respectively set on water inlet manifold 4 and outfall sewer 5；
A motor-driven valve 13 is also set up in second connecting tube 7.
In above-mentioned technical proposal, electromagnetic relief pressure valve is installed in the first connecting pipe, completes the effect of transient compensation, pressure
Transmitter is placed on water inlet manifold, by municipal administration come water pressure detection, and then control come water guarantee that municipal administration carrys out hydraulic pressure
Power is completed at the same time the function of transient compensation, and pressure transmitter is placed on outfall sewer, by the detection to outlet pressure, from
And the ascending, descending frequency and start and stop centrifugal pump of water pump are controlled, motor-driven valve is placed in the second connecting tube of outfall sewer and high pressure tank body,
Realize the water storage of high pressure tank body and night small flow pressure maintaining.
Above-mentioned double tank structure non-negative pressure water-supply devices solve constant pressure chamber horseshoe mouth by increasing the quantity of tank body
Corrode Welding Problems, while improving night small flow pressure maintaining ability, reduces water pump start-stop time, have the function that energy-saving and emission-reduction,
It realizes without negative pressure function, and is suitable for the limited water supply section in space, city planting ductwork condition is preferable, and water demand amount is biggish
It is used in the building of the types such as residential building, office building, apartment, hotel, school, applicability is high, effectively reduces cost.
As preferred embodiment, pedestal is processed as hot-spraying technique.
In above-mentioned technical proposal, make pedestal that there is obdurability, high temperature resistant, wear-resisting by using spraying process processing base
With the characteristics such as corrosion-resistant, coating material and suitable spraying process are reasonably selected, the surface peening that can obtain various functions applies
Layer, meanwhile, coating deposition rate is fast, and thickness is controllable, simple process.
As preferred embodiment, the first connecting tube 6 and the second connecting tube 7 are stainless steel material.
In above-mentioned technical proposal, the first connecting pipe and the second connecting pipe are made by stainless steel material, so that pipeline
The secondary pollution of water supply can be avoided for a long time using not by external environmental interference.
As preferred embodiment, pressure transmitter 12 and a control cabinet 14 are electrically connected, and at least three centrifugal pumps also wrap
A circumscription socket is included, circumscription socket connects control cabinet.
In above-mentioned technical proposal, by the numerical value and centrifugal pump of control cabinet real-time control pressure transmitter, realizes and supply water
The real-time control of equipment, while real time data can also be uploaded to cloud server by universal network, realize water supply device
Intelligent management, pushed the intelligent Process of supply equipment.
The beneficial effects of the present invention are:
Above-mentioned double tank structure non-negative pressure water-supply devices solve constant pressure chamber horseshoe mouth by increasing the quantity of tank body
Corrode Welding Problems, while improving night small flow pressure maintaining ability, reduces water pump start-stop time, have the function that energy-saving and emission-reduction.
Package unit, it is compact-sized, it is small in size, it realizes without negative pressure function, and be suitable for the limited water supply section in space, city planting ductwork
Condition is preferable, uses in the building of types such as the biggish residential building of water demand amount, office building, apartment, hotel, school, fits
With property height, cost is effectively reduced.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of double tank structure non-negative pressure method of water supply devices characterized by comprising
One pedestal, the pedestal are set on ground；
One high pressure tank body, the high pressure tank body are set on the pedestal；
One constant pressure tank body, the constant pressure tank body are set on the pedestal, and the constant pressure tank body and the high pressure tank body pass through one
The connection of first connecting tube；
One water inlet manifold, the water inlet manifold are set to one end of the constant pressure tank body, and the water inlet manifold and described first connect
Adapter tube communicates；
One outfall sewer, the outfall sewer are connect by one second connecting tube with the high pressure tank body, the outfall sewer
A flange terminal pad is arranged in one end；
One end of at least three centrifugal pumps, at least three centrifugal pumps is connect by a valve accessories with the constant pressure tank body,
The other end of at least three centrifugal pumps is connect with the outfall sewer.
2. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that the valve accessories quantity
It is adapted with the centrifugal pump quantity.
3. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that in first connecting tube
Also set up an electromagnetic relief pressure valve.
4. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that the water inlet manifold and institute
It states and a pressure transmitter is respectively set on outfall sewer.
5. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that in second connecting tube
Also set up a motor-driven valve.
6. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that the pedestal is processed as
Hot-spraying technique.
7. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that first connecting tube and
Second connecting tube is stainless steel material.
8. double tank structure non-negative pressure method of water supply devices according to claim 4, which is characterized in that the pressure transmitter with
One control cabinet is electrically connected.
9. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that at least three centrifugations
Pump further includes a circumscription socket.
10. double tank structure non-negative pressure method of water supply devices according to claim 1, which is characterized in that the circumscription socket connects
Connect the control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426021.2A CN110185093A (en) | 2019-05-21 | 2019-05-21 | A kind of double tank structure non-negative pressure method of water supply devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426021.2A CN110185093A (en) | 2019-05-21 | 2019-05-21 | A kind of double tank structure non-negative pressure method of water supply devices |
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| Publication Number | Publication Date |
|---|---|
| CN110185093A true CN110185093A (en) | 2019-08-30 |
Family
ID=67717097
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| CN201910426021.2A Pending CN110185093A (en) | 2019-05-21 | 2019-05-21 | A kind of double tank structure non-negative pressure method of water supply devices |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993168A (en) * | 1995-05-16 | 1999-11-30 | Brueninghaus Hydromatik Gmbh | Settable choke device to control the power setting of a variable displacement hyraulic pump |
| CN102102383A (en) * | 2011-01-18 | 2011-06-22 | 太平洋水处理工程有限公司 | Pneumatic water supply process and device for supercharging water supply pump station system |
| CN103510577A (en) * | 2012-06-18 | 2014-01-15 | 上海连成（集团）有限公司 | Flow stabilizing tank |
| CN104631544A (en) * | 2013-11-14 | 2015-05-20 | 陕西子竹电子有限公司 | Non-negative-pressure variable frequency water supply device |
| CN104746555A (en) * | 2013-12-28 | 2015-07-01 | 青岛万力科技有限公司 | Double-tank adjustable pipe network pressure-superposed water supply device |
| CN104846963A (en) * | 2014-11-04 | 2015-08-19 | 高天红 | Preposition flow regulation type direct connection water supply device |
| US20160215911A1 (en) * | 2013-02-20 | 2016-07-28 | Uponor Innovation Ab | Pipe connector and arrangement with a pipe connector |
| CN106223407A (en) * | 2016-07-20 | 2016-12-14 | 威乐(中国)水泵***有限公司 | Air bag two-chamber supercharging pipe network Pressure-superposed water supply equipment |
| CN106436839A (en) * | 2016-04-22 | 2017-02-22 | 无锡康宇水处理设备有限公司 | Multi-tank integrated type water supply equipment |
| JP2017101515A (en) * | 2015-12-04 | 2017-06-08 | 株式会社荏原製作所 | Water supply system |
| CN207812561U (en) * | 2017-12-15 | 2018-09-04 | 上海威派格智慧水务股份有限公司 | Double tank body raising frequency pressurize non-negative pressure water-supply installations |
| CN208105364U (en) * | 2017-12-27 | 2018-11-16 | 北京威派格科技发展有限公司 | The compensation double tank pressure-stabilizing water supply equipment of residual quantity |
| CN208105385U (en) * | 2018-04-01 | 2018-11-16 | 洛阳文森科技有限公司 | A kind of full-automatic dry pump constant pressure non-tower water supply system |
| CN210737686U (en) * | 2019-05-21 | 2020-06-12 | 上海威派格智慧水务股份有限公司 | Double-tank-body structure non-negative-pressure water supply device |
-
2019
- 2019-05-21 CN CN201910426021.2A patent/CN110185093A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993168A (en) * | 1995-05-16 | 1999-11-30 | Brueninghaus Hydromatik Gmbh | Settable choke device to control the power setting of a variable displacement hyraulic pump |
| CN102102383A (en) * | 2011-01-18 | 2011-06-22 | 太平洋水处理工程有限公司 | Pneumatic water supply process and device for supercharging water supply pump station system |
| CN103510577A (en) * | 2012-06-18 | 2014-01-15 | 上海连成（集团）有限公司 | Flow stabilizing tank |
| US20160215911A1 (en) * | 2013-02-20 | 2016-07-28 | Uponor Innovation Ab | Pipe connector and arrangement with a pipe connector |
| CN104631544A (en) * | 2013-11-14 | 2015-05-20 | 陕西子竹电子有限公司 | Non-negative-pressure variable frequency water supply device |
| CN104746555A (en) * | 2013-12-28 | 2015-07-01 | 青岛万力科技有限公司 | Double-tank adjustable pipe network pressure-superposed water supply device |
| CN104846963A (en) * | 2014-11-04 | 2015-08-19 | 高天红 | Preposition flow regulation type direct connection water supply device |
| JP2017101515A (en) * | 2015-12-04 | 2017-06-08 | 株式会社荏原製作所 | Water supply system |
| CN106436839A (en) * | 2016-04-22 | 2017-02-22 | 无锡康宇水处理设备有限公司 | Multi-tank integrated type water supply equipment |
| CN106223407A (en) * | 2016-07-20 | 2016-12-14 | 威乐(中国)水泵***有限公司 | Air bag two-chamber supercharging pipe network Pressure-superposed water supply equipment |
| CN207812561U (en) * | 2017-12-15 | 2018-09-04 | 上海威派格智慧水务股份有限公司 | Double tank body raising frequency pressurize non-negative pressure water-supply installations |
| CN208105364U (en) * | 2017-12-27 | 2018-11-16 | 北京威派格科技发展有限公司 | The compensation double tank pressure-stabilizing water supply equipment of residual quantity |
| CN208105385U (en) * | 2018-04-01 | 2018-11-16 | 洛阳文森科技有限公司 | A kind of full-automatic dry pump constant pressure non-tower water supply system |
| CN210737686U (en) * | 2019-05-21 | 2020-06-12 | 上海威派格智慧水务股份有限公司 | Double-tank-body structure non-negative-pressure water supply device |
Non-Patent Citations (1)
| Title |
|---|
| 周凯文;: "无负压变频恒压供水实例", 建筑施工, no. 07 * |
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