CN201053131Y - Negative pressure free water supplying device for household using and fire fighting - Google Patents
Negative pressure free water supplying device for household using and fire fighting Download PDFInfo
- Publication number
- CN201053131Y CN201053131Y CNU2007200836790U CN200720083679U CN201053131Y CN 201053131 Y CN201053131 Y CN 201053131Y CN U2007200836790 U CNU2007200836790 U CN U2007200836790U CN 200720083679 U CN200720083679 U CN 200720083679U CN 201053131 Y CN201053131 Y CN 201053131Y
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- fire
- fighting
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Abstract
The utility model relates to a domestic and fire-fighting non-negative water service device, wherein, a distributive pipe arranged on the lower part of a non-negative regulating tank is connected with a domestic service pump, a fire-fighting water pressure balancing pump and a fire-fighting main pump; the domestic service pump is connected with a domestic water supply pipe through a water supply main pipe of the domestic service pump; the fire-fighting water pressure balancing pump and the fire-fighting main pump are connected with a fire-fighting water service pipe through a fire-fighting water supply pipe and a flow governor; a group of pipelines consisting of polling pipes and pressure relief pipes being in parallel connection with each other are arranged between the non-negative regulating tank and the flow governor. The domestic and fire-fighting non-negative water service device of the utility model has the advantages that: the pressure of the municipal water service pipe network is utilized, thereby the lift of a domestic service pump and a fire-fighting pump can be reduced 10 to 20 meters, and the power is obviously reduced; no underground fire-fighting reservoir or top floor fire-fighting water tank is built in a place which is arranged the device, thereby the labor resources, material resources and investment are greatly saved, and the social and economic benefits are huge.
Description
Technical field
The invention belongs to life, fire-fighting no-negative pressure water supplier for both field.
Background technology
At present, in the device of pipe network supercharging non-negative pressure water supply, also do not relate to the technology of the device of life, the shared feedwater of fire-fighting, cause repeated construction, capital investment is big, the operating cost height.
Code for fire protection design of buildings＜GBJ16-87 in China〉revised edition version 8.6.1 in 1997 bar seven, regulation: when produce, domestic consumption reaches maximum and municipal water supply pipeline still can satisfy the indoor and outdoor fire consumption time, indoor fire-fighting pump water inlet pipe should be directly from the municipal pipeline water receiving.Pressure of supply water also will improve in various places water factory from now on, and the city planting ductwork terminal pressure can reach 0.20Mpa, for directly having created condition from the city planting ductwork water intaking.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of shared no-negative pressure water supplier of life, fire-fighting of directly fetching water from city planting ductwork.
The present invention solves the problems of the technologies described above with following technical scheme: the distributive pipe 3 in no negative pressure regulating tank 2 bottoms is connected to life pump 4 fire-fighting stabilized pressure pumps 5 and fire-fighting main pump 6, life pump is responsible for 7 feed pipes alive of delivering a child by life water supplying pump, and fire-fighting stabilized pressure pump 5 and fire-fighting main pump 6 connect the fire water supply pipe by fireproof water tube 8 and flow control valve 9; Between no negative pressure regulating tank 2 and flow control valve 9, there is one group by patrolling and examining the pipeline that pipe 10 and relief tube 15 compose in parallel.
Domestic water supplying system adopts variable frequency control, and the fire water supply control system also has display screen to be connected with master stream, tributary indicator circuit in the system except that the voltage stabilizing at ordinary times and interim high pressure of control fire-fighting stabilized pressure pump and fire-fighting main pump, can send sound and light alarm during fire alarm.
Stabilized pressure pump 5 and diaphragm type air pressure tank 13 are kept the fire_fighting pipe network pressure and the fire-fighting flow in 30 seconds of fire initial stage at ordinary times.
Main pump can start input disaster relief fire extinguishing automatically in 30 seconds, finish up to the disaster relief, manually closed down.
Life of the present invention, fire-fighting no-negative pressure water supplier for both, utilized the municipal water supply ductwork pressure, the lift of life, fire extinguishing pump all can reduce 10-20 rice, obviously reduced power, underground fire-fighting reservoir or top layer fire water box just can no longer be built in qualified unit or the sub-district that this device is installed, saved human and material resources and investment greatly, society and economic benefit are huge.
Description of drawings
Fig. 1 is the structural representation of life of the present invention, fire-fighting no-negative pressure water supplier for both.
The specific embodiment
Waterworks of the present invention are under the enough flow prerequisites that satisfy life, production, fire-fighting needs, directly the shared no-negative pressure water supplier of life, fire-fighting of fetching water from city planting ductwork.No negative pressure regulating tank 2 directly connects the municipal water supply pipe network, and the distributive pipe 3 in no negative pressure regulating tank bottom is connected to life pump 4, fire-fighting stabilized pressure pump 5 and fire-fighting main pump 6 respectively, and the platform number of various pumps is advisable with 2-3 platform, 1-2 platform and 2-3 platform respectively; The flow of each pump and lift are according to design alternative and coupling, mutually noninterfere.Life pump is responsible for 7 feed pipes alive of delivering a child by life water supplying pump, and fire-fighting stabilized pressure pump 5 and fire-fighting main pump 6 connect the fire water supply pipe by fireproof water tube 8 and flow control valve 9; Between no negative pressure regulating tank 2 and flow control valve 9, there is one group by patrolling and examining the pipeline that pipe 10 and relief tube 15 compose in parallel, be equipped with respectively on two pipelines and patrol and examine motor operated valve 11 and safety relief valve 12.
Domestic water supplying system adopts variable frequency control, and the fire water supply control system also has display screen to be connected with master stream, tributary indicator circuit in the system except that the voltage stabilizing at ordinary times and interim high pressure of control fire-fighting stabilized pressure pump and fire-fighting main pump, can send sound and light alarm during fire alarm; Fire-fighting stabilized pressure pump and fire-fighting main pump are provided with control by the performance requirement of fire-fighting pressurized-type water supply unit.
Stabilized pressure pump 5 and diaphragm type air pressure tank 13 are kept the fire_fighting pipe network pressure and the fire-fighting flow in 30 seconds of fire initial stage at ordinary times.
Main pump can start input disaster relief fire extinguishing automatically in 30 seconds, finish up to the disaster relief, manually closed down.
Fire services installations can have automatic operation and manual operation function by the PLC Controlled by Programmable Controller; Fire pump can be provided with regular and manual inspection function, and functions such as fire alarm auto switching electric source and overcurrent, overvoltage, under-voltage, the phase failure, lack of water, sound and light alarm, remote preferential startup take place, and the work of making it has high reliability.
Control system can be arranged in the electrical control cubicles 14, also can divide to be arranged.
In waterworks running of the present invention, domestic water supplying system and fire supply system are independent separately, do not disturb mutually.Just owing to patrol and examine pipe and relief tube all is back to no negative pressure regulating tank, when the startup of fire-fighting main pump is patrolled and examined, can increase in the jar pressure in short-term, so the wall thickness of no negative pressure regulating tank should increase a pressure rating (as former regulating tank is 0.6Mpa, now should increase to 1.0Mpa).
Fact proved: municipal water inlet pipe bore DN200 or proper greater than DN200, life flow and fire-fighting assignment of traffic, as to be no more than feed pipe maximum allow inflow-rate of water turbine, pipe network overbottom pressure more than 0.15Mpa, it is fully feasible directly fetching water in the fire-fighting of city planting ductwork installation no negative pressure (pipe network supercharging), the shared waterworks of life, need not build pond, water tank.
Waterworks of the present invention are applicable to nine layers and following and highly be no more than other civilian construction of 24 meters, highly surpass 24 meters individual layer public building.
Municipal administration water inlet pipe bore is DN200, and maximum inflow-rate of water turbine is 135m
3/ h, the second flow amount is 0.0375m
3/ s; If domestic consumption is 20m per hour
3(can supply 150 family waters), the fire-fighting flow also has 0.0319m
3/ s, can for the water yield of the flow (hydrant is 5L/S) of 6 hydrants or 30 shower nozzles (each capacity of sprinkler be 1 liter/S).
Embodiment 2
Certain airport air traffic control centre high building is the 71m height, aerial traffic control personnel water is arranged on the tower, and there is one 6 floor office block on the tower limit, and the water supply at this place is to be delivered to the high building pump house from four kilometers water pipes with a DN300 of a reservoir one-level pumping plant far away, do not build the pond, pressure pipe also has the pressure of 0.20Mpa.By designing requirement is that office building and high building are installed the no negative pressure fire-fighting stable-pressure device of a cover.Directly from the water intaking of DN300 pipe, fire-fighting stabilized pressure pump flow is 1.1L/S for stabilized pressure pump, fire-fighting main pump, and main pump is 20L/S (three dual-purposes one is equipped with), and maximum stream flow is 40L/S; This complete equipment is installed in May, 2000, has moved 6 years so far; One cover life no-negative-pressure water supply equipment has been installed again in October, 2005, and flow is 24m per hour
3, promptly the second flow amount is 6.6L/S.More than life, fire-fighting total flow are 172m
3/ h does not surpass the maximum inflow-rate of water turbine of DN300 caliber as yet.
Claims (2)
1. a life, the shared no-negative-pressure water supply equipment of fire-fighting, it is characterized in that being connected to life pump fire-fighting stabilized pressure pump and fire-fighting main pump at the distributive pipe of no negative pressure regulating tank bottom, life pump is responsible for the feed pipe alive of delivering a child by life water supplying pump, and fire-fighting stabilized pressure pump and fire-fighting main pump connect the fire water supply pipe by fireproof water tube and flow control valve; Between no negative pressure regulating tank and flow control valve, there is one group by patrolling and examining the pipeline that pipe and relief tube compose in parallel.
2. life as claimed in claim 1, the shared no-negative-pressure water supply equipment of fire-fighting, it is characterized in that domestic water supplying system adopts variable frequency control, the fire water supply control system is except that the voltage stabilizing at ordinary times and interim high pressure of control fire-fighting stabilized pressure pump and fire-fighting main pump, also have display screen to be connected, can send sound and light alarm during fire alarm with master stream, tributary indicator circuit in the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200836790U CN201053131Y (en) | 2007-02-28 | 2007-02-28 | Negative pressure free water supplying device for household using and fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200836790U CN201053131Y (en) | 2007-02-28 | 2007-02-28 | Negative pressure free water supplying device for household using and fire fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053131Y true CN201053131Y (en) | 2008-04-30 |
Family
ID=39392796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200836790U Expired - Fee Related CN201053131Y (en) | 2007-02-28 | 2007-02-28 | Negative pressure free water supplying device for household using and fire fighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053131Y (en) |
-
2007
- 2007-02-28 CN CNU2007200836790U patent/CN201053131Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20120228 |