CN1580426A - Living and fire--fighting common non-negative-pressure water supply system - Google Patents
Living and fire--fighting common non-negative-pressure water supply system Download PDFInfo
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- CN1580426A CN1580426A CNA031499694A CN03149969A CN1580426A CN 1580426 A CN1580426 A CN 1580426A CN A031499694 A CNA031499694 A CN A031499694A CN 03149969 A CN03149969 A CN 03149969A CN 1580426 A CN1580426 A CN 1580426A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
A shared water-supply system without negative pressure for life and fire protection includes a first water tank, a parallel unit composed of a pump and No.1 check valve is concurrent parallel, a user general manager and a pressure sensor, a second water tank, a monitor device, among which, the second tank is connected with the user general manager, the pressure sensor, a liquid level sensor and the alarm signal end set in the fire protection water pipe net are connected with the signal end of the monitor device separately, its signal control output end are correspondingly connected with the control terminals of the pump and the fire protection equipment, which applies the buffer way to keep the pressure stable of user end effectively.
Description
Technical field
The present invention relates to a kind of non-negative pressure water service system, particularly a kind ofly can belong to the plumbing technical field by the pressure of tap water pipe network for life and fire-fighting provide the non-negative pressure water service system of water.
Background technology
In traditional way of supplying water, no matter being for life or for fire-fighting provides water, all is to adopt to build large pool, and the pond is put in the municipal tap water, is pressurised into user side by water pump again and supplies water.This way of supplying water often needs bigger floor space, and civil engineering costs is also higher.For providing of living water use, because large pool exists the secondary pollution problem of water, so, exist the threat that user's health suffers damage.
Usually, the municipal tap water has certain pressure of supply water, and still, after tap water entered the pond, the pressure in the municipal network of rivers was eliminated naturally.When water pump supplies water for the user, need under the zero pressure state, exert pressure again, therefore, wasted many energy.
Aspect water for fire, because water for fire has higher water source assurance, reliability of water supply and higher hydraulic pressure requirement than living water use, so, usually in the building, living water use and water for fire often adopt two to overlap separately independently water system, this just makes the water system complex structure, and cost is relatively costly.
Chinese patent ZL00215684.9 discloses a kind of no negative pressure, has not had the journey of suction pipe network supercharging current stabilization supply equipment; ZL00256147.6 discloses a kind of non-negative pressure method of water supply device; ZL01204960.3 discloses a kind of energy-conservation no negative pressure water storage tank.These disclosed supply equipments, device all are at living water use, can't provide the reliable water resource of using for fire-fighting, more can't be to operating control with fire-fighting associated device (the closing or unlatching etc. of startup, Fireproof Rolling Gate that comprises induced-draft fan).
In addition, in above-mentioned all kinds of patents technical scheme, in order to eliminate the influence of negative pressure to the municipal tap water pipe network, on fluid reservoir (water storage tank), all be provided with exhaust, making-up air device, after gas is drained owing to water filling, exhaust opening at this moment, has higher hydraulic pressure in the fluid reservoir (water storage tank) by valve closing.When the valve of exhaust opening breaks down and leaks, water in the fluid reservoir (water storage tank) can be to splash everywhere, and fluid reservoir (water storage tank) around be provided with electric fixtures such as water pump assembly usually, the water capacity that splash goes out easily causes the electric fixtures short circuit, and supply equipment is destroyed.
Have, in the supply equipment, the outlet of water pump assembly directly is connected with the inlet of user's pipe network usually again.Because the hydraulic pressure of user side often plays pendulum, user's water is second-rate, and the low discharge state is started shooting frequent down and can not effectively be eliminated water hammer.Unsettled hydraulic pressure for the automatic fire protection system that fast-response probe is installed, can't directly be its water supply thereby false alarm takes place easily at all.
Summary of the invention
Main purpose of the present invention is can't unify operation control and provide a kind of life-fire-fighting shared non-negative pressure water service system life, water for fire at existing water system, this system adopts the non-negative pressure method of water supply mode, by the switching controls of control device, can be respectively life, fire-fighting provides the water source that conforms to quality requirements.
Another object of the present invention is at tonifying Qi in the above-mentioned water system, the existing potential safety hazard of exhaust plant, provide a kind of life-fire-fighting shared non-negative pressure water service system, this system is when carrying out tonifying Qi, can guarantee that water quality is not contaminated, when outlet valve occurred revealing fault, the electric fixturess such as water pump assembly that fluid reservoir (water storage tank) is provided with on every side can not cause damage because of the water that splash goes out.
A further object of the present invention is at the quality of water supply of above-mentioned traditional water supply system relatively poor, user side hydraulic pressure is unstable and provide a kind of life-fire-fighting shared non-negative pressure water service system, this system adopts buffering adjustment mode, effectively keep the steady of user side pressure, guarantee user's the water quality of using, to adapt to the automatic fire protection system that fast-response probe is installed.
The objective of the invention is to be achieved through the following technical solutions:
The shared non-negative pressure water service system of a kind of life-fire-fighting, it comprises that inside is provided with liquid level sensor, the top set firmly the vacuum compensation device first water tank, compose in parallel in the same way by water pump and No. 1 one way valve and joint group (the water outlet direction that is the direction of water pump water outlet and No. 1 one way valve is identical), house steward user and be arranged on pressure sensor on house steward user.The water inlet of first water tank is connected with city planting ductwork, and delivery port is connected with the inlet of described and joint group.And the outlet of joint group is connected with the total tube inlet of user, and house steward user exports the inlet that connects living water use pipe network and water for fire pipe network.In this system, it also is provided with second water tank, monitor controller.Second water tank is connected with house steward's user inlet.When first water tank directly by No. 1 one way valve or water pump when living water use pipe network and water for fire pipe network supply water, part water will be injected in second water tank, and also increase gradually until equating with hydraulic pressure among house steward user with the pressure in rising second water tank of water level.
In the present invention, pressure sensor, liquid level sensor and be arranged on that alarm signal end in the water for fire pipe network connects with the respective signal input of monitor controller respectively and the control signal output of monitor controller with the water pump control end, the fire fighting equipment control end is corresponding is connected.
By above-mentioned setting, system can realize that the life-water for fire that is undertaken by monitor controller switches.When system is in when the living water use state is provided, hydraulic pressure parameter in the monitor controller is the living water use parameter, and the numerical value of comparative pressure sensor, the discharge pressure of regulation and control water pump, or be zero (when municipal ductwork pressure is enough), or pressurization (when municipal ductwork pressure is short of), at this moment, the hydraulic pressure in second water tank is identical with house steward's user pressure.
When fire alarm takes place when, the various fire alarm sensors that are arranged in the water for fire pipe network send signal, this signal is transferred in the monitor controller, this monitor controller arrives predefined fire fighting supply force value with the pressure of supply water parameter adjustment immediately, and with house steward user in hydraulic pressure relatively, because fire fighting supply pressure is higher than living water use pressure, so, monitor controller is opened water pump or the frequency conversion supercharging, make the hydraulic pressure among house steward user reach the fire fighting supply pressure value rapidly, at this moment, system is switched to the fire fighting supply state.Under this state, monitor controller also sends the enabling signal to other fire fighting equipments, comprises opening draft fan, closing corresponding fire resistance rolling shutter door etc.
In said system, owing to adopted second water tank that is connected with house steward user, make when fluctuation takes place hydraulic pressure among house steward user, second water tank utilizes its pressure inside that house steward's user pressure oscillation is oppositely suppressed, guaranteed house steward's user stable water pressure, thereby further guaranteed the fast-response probe installed in the fire_fighting pipe network, especially the false alarm phenomenon can not take place because of the hydraulic pressure change in water flow sensing unit, simultaneously, the water hammer that water pump is frequently started shooting or water pressure fluctuations caused in the time of also can eliminating owing to the reduction of user's pipe network water supply volume.
In said system, also be provided with mozzle on the vacuum compensation device that the first water tank top sets firmly, this mozzle is the pipe that bends downwards, and its upper end is connected with the gas supplementing opening of vacuum compensation device, and the lower end outlet is downward, and is positioned at the lower position of first water tank.When the vacuum expansion loop damaged, the water in first water tank can not cause the short circuit of other consumers to damage to splash everywhere.
For guaranteeing that the water in first water tank can not be subjected to secondary pollution, is provided with sterilizing filter in the exit of mozzle.Water level in first water tank reduces, and when the vacuum compensation device carried out tonifying Qi to its inside, pollutant and germ entrained in the air by this sterilizing filter were filtered, kill, and make the air cleaning that enters first water tank.
For ease of producing, installing, in first water tank, set firmly division board and isolate another part cavity, make this cavity as second water tank.
In said system, and set water pump quantity can be set to many according to the concrete situation of building in the joint group.Can also be in parallel with No. 1 one way valve after series connection is provided with No. 2 one way valves in the exit of water pump, prevent the backflow that causes because of the water pump fault.
For the purpose of safety, also be provided with safety valve on house steward user.Work as the system failure, and user's hydraulic pressure is when too high, this safety valve is opened automatically, and pressure is laid down, and guarantees user's network security.
In above-mentioned system, monitor controller can be made up of equipment operation controller and signal acquisition process device.The equipment operation controller have with water pump open/stop the output that control end, frequency conversion voltage adjusting control end be connected and be connected with the fire fighting equipment control end open/stop the control output end.The signal acquisition process utensil has transducing signal input and signal operation treatment circuit, and the signal output part of this signal operation treatment circuit is connected with the signal input part of equipment operation controller.The signal acquisition process device is gathered calculation process to the parameter of every sensor in the parameters of working state of system and the fire-fighting water supply network, and, send control instruction to various system equipments, fire fighting equipment by the equipment operation controller for the equipment operation controller provides the operation control signal.
By above technical scheme as can be known, the present invention by to living water use pressure value, water for fire pressure value preestablish and monitor controller to the acquisition process of pressure sensor signal, fire protection warning signal, can utilize a cover water system to make a living easily and apply flexibly grid or the water for fire pipe network provides required separately water supply pressure, thereby guarantee the quality of life, water for fire, reduce the construction difficulty of water system, saved a large amount of construction costs.
Because city planting ductwork is communicated with living water use pipe network, water for fire pipe network by airtight water tank, so can be fully supply water by the pressure of city planting ductwork, even when opening water pump, the supercharging mode of taking also is how many differences mends what, thus energy conservation consumption or waste greatly.The pressure oscillation of city planting ductwork can not given with the influence of fluctuations of water end (W.E.) build-up of pressure by the cushioning effect of first water tank, has improved quality of water supply.
In addition, mozzle is set, makes and reveal the not splash everywhere of water of overflowing because of valve in the vacuum compensation device, thereby protected the safety of consumer by connecting at the import/exhaust mouth of vacuum compensation device.The water that is flowed out by mozzle can effectively be guided in the water storage container that is provided with separately, can not cause the waste of water resource.
Have again, because second water tank that is provided with is after injecting water, internal gas is compressed, its pressure equates with house steward's user pressure, when the hydraulic pressure of user side changed, second water tank played good buffering pressure stabilization function, not only was fit to be equipped with the automatic fire control water of fast-response probe, and thoroughly eliminated water hammer, guaranteed to use water quality.
Description of drawings
Fig. 1 is the principle of compositionality schematic diagram of system involved in the present invention.
Fig. 2 is the structural representation of a preferred embodiment provided by the present invention.
The specific embodiment
Below, also the present invention is described in further detail with reference to the accompanying drawings by the description to system's principle of compositionality and preferred embodiment.
Figure 1 shows that the principle of compositionality schematic diagram of the shared non-negative pressure water service system of life-fire-fighting involved in the present invention.Among the figure, the running water pipe 3 of city planting ductwork is access in the water inlet of first water tank 1 by a flap valve 31, and the outlet pipe 12 of first water tank 1 enters the mouth with house steward user 4 by No. 1 one way valve 11 and is connected.No. 1 one way valve 11 also is connected in parallel with water pump 13, and the water outlet direction of water pump 13 and No. 1 one way valve 11 are in the same way.Second water tank 2 is communicated with house steward user 4 inlet by water pipe 21.House steward user 4 is provided with pressure sensor 41, and this house steward's user 4 the port of export is connected with the inlet of water for fire pipe network 7, living water use pipe network 8.
Be provided with the liquid level sensor 15 that is used to measure jar interior water level in first water tank 1, its top is installed with vacuum compensation device 14.The gas port of vacuum compensation device 14 is in communication with the outside by the mozzle 141 that connects.
In this system, also be provided with monitor controller 5, this monitor controller 5 has the input of multichannel at fire alarm signal and sensing equipment signal, simultaneously, also has the control signal output that multichannel is used for control of pump 13 and multiple fire fighting equipment 6 (as automatic fire door, smoke extractor exhaust fan etc.).Monitor controller 5 can be according to the various signals that obtain, and pressure of supply water is adjusted in control automatically, make system works at life or fire fighting supply state.
The signal end of liquid level sensor 15, pressure sensor 41 is connected to the respective signal input of monitor controller 5.
In the use, tap water from city planting ductwork enters in first water tank 1 by running water pipe 3, flap valve 31, along with constantly increasing of water level, the air in jar is discharged from through mozzle 141 from the gas port of vacuum compensation device 14, the vacuum compensation device 14 inner valve closings that are provided with.Water in first water tank 1 enters living water use pipe network 8 by outlet pipe 12, No. 1 one way valve 11, house steward user 4.Owing to enter house steward user 4 glassware for drinking water certain pressure (municipal ductwork pressure) is arranged, when pressure is enough, need not start water pump 13, when pressure is low (being lower than predefined force value), after monitor controller 5 is handled by the pressure signal union of gathering pressure sensor 41, control of pump 13 starts, and is the user side supercharging.
The outlet of No. 1 one way valve 11 and water pump 13 is owing to be communicated with second water tank 2, so, when when house steward's user 4 inlets supply water, some water enters second water tank 2 in addition, air in second water tank 2 is compressed, when the numerical value of pressure wherein and pressure sensor 41 was identical, the water levels in second water tank 2 arrived the equilbrium position.
In the living water use pipe network 8, when causing the fluctuation of hydraulic pressure because of the water supply volume change, preformed hydraulic pressure will compensate in certain scope automatically to the hydraulic pressure in the pipe network in second water tank 2, adjust, thereby controlled water pressure fluctuations, reached the purpose of pressure buffer, voltage stabilizing.
Behind the fire alarm signal that monitor controller 5 is provided with in receiving from water for fire pipe network 7, by frequency conversion pressurization control to water pump 13, pressure value in house steward user 4 is adjusted to the fire fighting hydraulic pressure setting that sets in advance, at this moment, the pressure of supply water of whole pipe network is in fire fighting state, simultaneously, monitor controller 5 also starts other auxiliary fire fighting equipments, makes them all be in the fire-fighting work state.
In addition, the mozzle 141 that is provided with on the gas port of vacuum compensation device 14 is after bending, and its outlet is set at the below of first water tank 1.When valve in the vacuum expansion loop 14 damaged leakage, leaking flowed into other special containers or ponds along mozzle 141, can guarantee not cause the consumer of water spray damage everywhere, can not cause the waste of water resource again.
Water level was measured in the liquid level sensor 15 that is provided with in first water tank 1 was used for jar.When water level was lower than setting, monitor controller 5 obtained these liquid level signals, and control of pump 13 quits work, in order to avoid water pump 13 anhydrous idle running and cause device damage.
Fig. 2 is a preferred embodiment structural representation involved in the present invention.The pipeline connected mode of this embodiment is similar to above-mentioned schematic diagram, and difference is: water tank is manufactured into the two-chamber form, promptly adopts ellipse head dividing plate 9 that water tank is separated into first water tank 1, second water tank 2.Another difference is: two water pumps 13 are connected in series No. 2 one way valves 131, gate valve 132 backs composition water pump assemblies parallel with one another respectively and are connected in parallel with No. 1 one way valve 11, and, in the exit of mozzle 141, be provided with sterilizing filter 142.When carrying out tonifying Qi, the air that enters in first water tank 1 at first passes through sterilization, filtration treatment, thereby prevents the secondary pollution of air to water.
In addition, on house steward user 4, also be provided with safety valve 42.When abnormal conditions occurring, hydraulic pressure is out of control and raise and when exceeding safe pressure, safety valve 42 will be opened automatically and carry out pressure release, thereby guarantees that apparatus can not be damaged.
In the present embodiment, monitor controller is made up of signal processor 51, device controller 52.The signal that signal processor 51 is gathered comprises: the hydraulic signal of the pressure sensor 41 that is provided with on house steward user 4 and the signal of the fire detector 81 in the fire-fighting user pipe network 8, the signal of hydrant water flow indicator 82, the signal of fire-fighting spraying head water flow indicator 83.51 pairs of Signal Processing of signal processor are to finish by its inner single board computer that is provided with, and by this single board computer device controller 52 is sent control signal, device controller 52 control of pump 13 open/stop and the startup of fire fighting folding door 84, smoke evacuation wind 85 with close.
In the direct access device controller 52 of liquid level signal of the liquid level sensor 15 that is provided with in first water tank 1; when water level is lower than setting numerical value; this liquid level signal makes device controller 52 send stopping signal to water pump 13, avoids water pump 13 to dally under no aqueous condition and causes the damage of water pump 13.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1, the shared non-negative pressure water service system of a kind of life-fire-fighting, it comprises that inside is provided with liquid level sensor, the top set firmly the vacuum compensation device first water tank, compose in parallel in the same way by water pump and No. 1 one way valve and joint group, house steward user and be arranged on pressure sensor on house steward user; The water inlet of described first water tank is connected with city planting ductwork, and delivery port is connected with the inlet of described and joint group; And the outlet of joint group is connected with the total tube inlet of user, and house steward user exports the inlet that connects living water use pipe network and water for fire pipe network, and it is characterized in that: it also comprises second water tank, monitor controller; Described second water tank is connected with house steward's user inlet; Described pressure sensor, liquid level sensor and the alarm signal end that is arranged in the water for fire pipe network are connected with the respective signal input of described monitor controller respectively; The control signal output of described monitor controller and water pump control end, the corresponding connection of fire fighting equipment control end.
2, the shared non-negative pressure water service system of life-fire-fighting according to claim 1, it is characterized in that: also be provided with mozzle on the vacuum compensation device that the described first water tank top sets firmly, this mozzle is the pipe that bends downwards, its upper end is connected with the gas supplementing opening of vacuum compensation device, the lower end outlet is downward, and is positioned at the lower position of first water tank.
3, the shared non-negative pressure water service system of life-fire-fighting according to claim 2 is characterized in that: be provided with sterilizing filter in the exit of described mozzle.
4, the shared non-negative pressure water service system of life-fire-fighting according to claim 1 is characterized in that: described second water tank is by set firmly division board and isolated another part cavity in first water tank.
5, the shared non-negative pressure water service system of life-fire-fighting according to claim 1 is characterized in that: set water pump quantity is more than one in the described and joint group.
6, the shared non-negative pressure water service system of life-fire-fighting according to claim 1 or 5 is characterized in that: described exit of pump be connected in parallel with described No. 1 one way valve again after No. 2 one way valves are connected.
7, the shared non-negative pressure water service system of life-fire-fighting according to claim 1 is characterized in that: also be provided with safety valve on described house steward user.
8, the shared non-negative pressure water service system of life-fire-fighting according to claim 1 is characterized in that: described monitor controller is made up of equipment operation controller and signal acquisition process device; Described equipment operation controller have with water pump open/stop the output that control end, frequency conversion voltage adjusting control end be connected and be connected with the fire fighting equipment control end open/stop the control output end; Described signal acquisition process utensil has transducing signal input and signal operation treatment circuit, and the signal output part of this signal operation treatment circuit is connected with the signal input part of equipment operation controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031499694A CN100357532C (en) | 2003-08-01 | 2003-08-01 | Living and fire--fighting common non-negative-pressure water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031499694A CN100357532C (en) | 2003-08-01 | 2003-08-01 | Living and fire--fighting common non-negative-pressure water supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1580426A true CN1580426A (en) | 2005-02-16 |
| CN100357532C CN100357532C (en) | 2007-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031499694A Expired - Fee Related CN100357532C (en) | 2003-08-01 | 2003-08-01 | Living and fire--fighting common non-negative-pressure water supply system |
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| CN (1) | CN100357532C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464038C (en) * | 2007-03-12 | 2009-02-25 | 南昌赣江水工业科技有限公司 | Dual-purpose non negative pressure water supply equipment for living and fire-fighting using city planning ductwork residual pressure |
| CN100464039C (en) * | 2007-04-23 | 2009-02-25 | 南昌赣江水工业科技有限公司 | Buried type stacked-pressing non-negative-pressure life fire-fighting common feed water equipment |
| CN102294098A (en) * | 2011-08-19 | 2011-12-28 | 初生君 | Fire-fighting assembly installed on building |
| CN102345308A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102454187A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Direct non-negative pressure steady-flow water supply equipment |
| CN102704545A (en) * | 2012-05-23 | 2012-10-03 | 叶晓丰 | Partial pressure water supply device and partial pressure water supply method |
| CN103290885A (en) * | 2013-06-25 | 2013-09-11 | 福州市公安消防支队 | Method and device for enabling domestic water and fire-fighting water of building to share water pump |
| CN104674880A (en) * | 2014-12-31 | 2015-06-03 | 临汾市尧都区新嘉星科技有限公司 | Combined type energy-saving water supply device used in life and fire fighting |
| CN105944269A (en) * | 2016-06-27 | 2016-09-21 | 河南中托力合化学有限公司 | Fire-fighting device |
| CN107574863A (en) * | 2017-09-08 | 2018-01-12 | 安徽兴安电气设备股份有限公司 | A kind of gasbag-type pressure-stabilizing supercharging supply equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210474U (en) * | 1986-12-18 | 1987-11-11 | 熊中元 | Water supply device for fire control |
| CN1132815A (en) * | 1995-04-06 | 1996-10-09 | 朴龙奎 | Small pneumatic water supply equipment for both daily use and fire extinguishment |
| JPH08319642A (en) * | 1995-05-26 | 1996-12-03 | Masaru Sato | Tank for emergency drink and fire fighting |
| JP4308947B2 (en) * | 1998-10-08 | 2009-08-05 | エヌ・ジェイ・シー・エンジニアリング株式会社 | Water storage tank and water storage device using this water storage tank |
| JP2001112880A (en) * | 1999-10-15 | 2001-04-24 | Hatsuta Seisakusho Co Ltd | Fire extinguishing installation |
| CN2438751Y (en) * | 2000-07-27 | 2001-07-11 | 山东三利给水设备有限公司 | Non-negative pressure pipe network pressure boost steady flow water supply equipment |
| CN2466224Y (en) * | 2001-02-28 | 2001-12-19 | 王高峰 | Direct pipe network double pressure-regulator water supply apparatus |
-
2003
- 2003-08-01 CN CNB031499694A patent/CN100357532C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464038C (en) * | 2007-03-12 | 2009-02-25 | 南昌赣江水工业科技有限公司 | Dual-purpose non negative pressure water supply equipment for living and fire-fighting using city planning ductwork residual pressure |
| CN100464039C (en) * | 2007-04-23 | 2009-02-25 | 南昌赣江水工业科技有限公司 | Buried type stacked-pressing non-negative-pressure life fire-fighting common feed water equipment |
| CN102454187A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Direct non-negative pressure steady-flow water supply equipment |
| CN102345308B (en) * | 2011-07-21 | 2013-01-16 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102345308A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102294098A (en) * | 2011-08-19 | 2011-12-28 | 初生君 | Fire-fighting assembly installed on building |
| CN102704545A (en) * | 2012-05-23 | 2012-10-03 | 叶晓丰 | Partial pressure water supply device and partial pressure water supply method |
| CN103290885A (en) * | 2013-06-25 | 2013-09-11 | 福州市公安消防支队 | Method and device for enabling domestic water and fire-fighting water of building to share water pump |
| CN104674880A (en) * | 2014-12-31 | 2015-06-03 | 临汾市尧都区新嘉星科技有限公司 | Combined type energy-saving water supply device used in life and fire fighting |
| CN104674880B (en) * | 2014-12-31 | 2016-06-29 | 临汾市尧都区新嘉星科技有限公司 | One way of life and fire-fighting combined energy-saving water supply installation |
| CN105944269A (en) * | 2016-06-27 | 2016-09-21 | 河南中托力合化学有限公司 | Fire-fighting device |
| CN105944269B (en) * | 2016-06-27 | 2021-09-14 | 河南中托力合化学有限公司 | Fire-fighting device |
| CN107574863A (en) * | 2017-09-08 | 2018-01-12 | 安徽兴安电气设备股份有限公司 | A kind of gasbag-type pressure-stabilizing supercharging supply equipment |
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| CN100357532C (en) | 2007-12-26 |
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