CN2218771Y - Nitrogen pressing water supply equipment for fire extinguishing - Google Patents
Nitrogen pressing water supply equipment for fire extinguishing Download PDFInfo
- Publication number
- CN2218771Y CN2218771Y CN 95209050 CN95209050U CN2218771Y CN 2218771 Y CN2218771 Y CN 2218771Y CN 95209050 CN95209050 CN 95209050 CN 95209050 U CN95209050 U CN 95209050U CN 2218771 Y CN2218771 Y CN 2218771Y
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- valve
- auto
- pneumatic cylinder
- links
- stop valve
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- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a nitrogen pressing water supply equipment for fire extinguishing, which belongs to water supply equipment for fire extinguishing. A pneumatic water tank is provided with a pressure meter which is connected with an electric control cabinet; the top of the pneumatic water tank is connected with a check valve, the pressure meter and a nitrogen cylinder by a pipeline; the top of the pneumatic water tank is also provided with an electromagnetic exhaust valve which is connected with a programmable controller in the electric control cabinet; the middle part of the pneumatic water tank is provided with a water level sensor which is connected with the electric control cabinet, and the water level sensor is connected with a stop valve; the lower part of the pneumatic tank is also provided with an air-stop valve; one way of the air-stop valve is connected with the check valve, the stop valve and a fire extinguishing water supply pipe network, the other way is connected with the electric control cabinet, the electromagnetic exhaust valve and the stop valve; the pneumatic tank is also connected with the stop valve, the check valve, a suction valve, an inflator and a water pump; the utility model has good fire-fighting effect.
Description
The utility model belongs to fire water supply equipment.
At present, the architectural water supply facilities of installing and using such as building is multiple mode, the air pressure fire-fighting watering device that Heilungkiang water conservancy machinery factory produces, be used for the town buildings fire fighting supply, yet fire alarm takes place as in a single day leakage is arranged again if having a power failure this moment in the gas in the auto-pneumatic cylinder on this device, auto-pneumatic cylinder can't make-up gas to increase the pressure in the auto-pneumatic cylinder, be difficult to guarantee the water for fire of enough lifts.
The purpose of this utility model is to provide a kind of nitrogen top pressing type fire water supply equipment, nitrogen cylinder group on this device issues the police that lights a fire at power-off condition, when descending, the auto-pneumatic cylinder internal pressure can replenish the gas in the auto-pneumatic cylinder rapidly, increase the pressure in the auto-pneumatic cylinder, guarantee the water for fire of enough lifts.
In order to achieve the above object, the utility model adopts a kind of nitrogen top pressing type fire water supply equipment, and it is installed in the bottom of highrise building, and it comprises the programmable controller and the uninterrupted power source of electrical control cubicles and interior installation thereof, compositions such as water tank, auto-pneumatic cylinder, pressure meter is characterized in that:
A, auto-pneumatic cylinder upper side are provided with electro connecting pressure gauge and the pressure gauge with transmission device that links to each other with programmable controller in the electrical control cubicles.
Link to each other with flap valve by pipeline on b, the auto-pneumatic cylinder top, flap valve links to each other with safety valve, pressure meter and the nitrogen cylinder group that has a bottle valve respectively by pipeline, and the electromagnetic exhaust valve that links to each other with programmable controller in the electrical control cubicles also is housed on the auto-pneumatic cylinder top.
C, middle part, auto-pneumatic cylinder side are provided with the level sensor that links to each other with the electrical control cubicles programmable controller, and the bottom of level sensor connects a stop valve.
D, auto-pneumatic cylinder bottom are provided with air-stopping valve, a road of air-stopping valve outlet is connected with flap valve, stop valve and fire water supply pipe network, another road of air-stopping valve outlet links to each other with the electromagnetism draining valve that links to each other with electrical control cubicles by lead, also join with stop valve simultaneously, the electromagnetism draining valve links to each other with the stop valve that is installed in water tank communicates by pipeline.
E, middle part, auto-pneumatic cylinder side link to each other by the end of pipeline with stop valve, flap valve, inlet valve and tonifying Qi tube, and the tonifying Qi tube other end links to each other with the stop valve that water tank communicates by water pump.
F, explosive valve one end link to each other with electrical control cubicles by lead, explosive valve also with the bottle valve associated.
The advantage of the utility model nitrogen top pressing type fire water supply equipment is: (1) guarantees that under the situation that has a power failure, cuts off the water fire water supply in 10 minutes puts out fire alarm in original state; (2) used pressure work medium is air and nitrogen, keeping auto-pneumatic cylinder used working media in working pressure range at ordinary times is air, in case fire alarm takes place, when employing hydrant, automatically open nitrogen cylinder, guarantee the dwell pressure that fire house needs in the auto-pneumatic cylinder with compressed nitrogen; (3) nitrogen is sneaked in the water, and the fire smothering effect is arranged; (4) ratio of water storage volume is higher than the pneumatic installation water supply of general negative pressure (or malleation) tonifying Qi in the auto-pneumatic cylinder of equal total measurement (volume); (5) sealing of the bottle valve of nitrogen cylinder is tight, can guarantee air tight for many years.
Embodiment to the utility model nitrogen top pressing type fire water supply equipment describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural configuration schematic diagram of the utility model nitrogen top pressing type fire water supply equipment.
As shown in Figure 1, the utility model nitrogen top pressing type fire water supply equipment, it is installed in the bottom of highrise building, it comprises the programmable controller (PLC) (33) and the uninterrupted power supply (ups) Unity (34) of electrical control cubicles (2) and interior installation thereof, water tank (1), auto-pneumatic cylinder (7), electro connecting pressure gauge (8,10) and pressure gauge with transmission device compositions such as (9) is characterized in that:
A, auto-pneumatic cylinder (7) upper side be provided with electrical control cubicles (2) in programmable controller (33) electro connecting pressure gauge (8), pressure gauge with transmission device (9) and the electro connecting pressure gauge (10) that link to each other.
B, auto-pneumatic cylinder (7) top one pipeline are equiped with flap valve (12) flap valve (12) and link to each other with safety valve (13), pressure meter (15) and the nitrogen cylinder group (17) that has reducing valve (16), a bottle valve (35) respectively by pipeline, and another pipeline of auto-pneumatic cylinder (7) top also is equipped with the electromagnetic exhaust valve (11) that links to each other with programmable controller in the electrical control cubicles (2).
C, auto-pneumatic cylinder (7) side middle part is provided with the level sensor (18) that links to each other with programmable controller in the electrical control cubicles (2), and the bottom of stop valve (19) and level sensor (18) joins.
D, auto-pneumatic cylinder (7) bottom are provided with air-stopping valve (24), a road of air-stopping valve (24) outlet is connected with safety valve (23), flap valve (22), stop valve (21) and fire water supply pipe network (32), another road of air-stopping valve (24) outlet links to each other with the electromagnetism draining valve (26) that links to each other with electrical control cubicles (2) by lead, also be connected simultaneously with stop valve (25), electromagnetism draining valve (26) by pipeline be installed in the stop valve (31) that water tank (1) links to each other and communicate.
E, middle part, auto-pneumatic cylinder (7) side link to each other by the end of pipeline with stop valve (6), flap valve (5), inlet valve (4) and tonifying Qi tube (3), tonifying Qi tube (3) other end is by water pump (28), (29), and link to each other with water tank (1) set stop valve (30), (31) link to each other respectively.
F, explosive valve (14) are leaded up to lead and are linked to each other with electrical control cubicles (2), explosive valve also with bottle valve (35) associated.
The operating principle of the utility model nitrogen top pressing type fire water supply equipment is: when not having the condition of a fire at ordinary times, be in fire-fighting service pressure state in the auto-pneumatic cylinder, be full of water and compressed air in jar, the water and air volume ratio remains on 80% to 20%.In auto-pneumatic cylinder because the normal leakage that allows; when jar internal pressure drops to the following 0.04MPa of rated pressure (maximum working pressure); electro connecting pressure gauge or pressure gauge with transmission device send signal; make the electromagnetism draining valve open the valve draining; drawdown then jar; when drawdown arrives work lower limit water level; water level controller sends signal; make motor one starting mode of pump, tonifying Qi moisturizing in auto-pneumatic cylinder, this moment, the electromagnetism draining valve closed valve; water level rises gradually; when waiting to reach work upper limit water level, water level controller sends signal immediately, makes motor one water pump assembly shut down.This moment inlet valve suck successively free air go in the tonifying Qi tube and pumping line in.If auto-pneumatic cylinder internal pressure, tolerance are still not enough, then repeat above-mentioned actuation cycle automatically, till reaching normal requirement.If tolerance causes that more than normal tolerance pressure is higher than rated operating pressure in jar, make the electromagnetic exhaust valve exhaust by feedback information, drop to till the rated operating pressure.In case generation fire alarm, employ hydrant, just send signal when water flow indicator is flowed through in water storage continually in the auto-pneumatic cylinder, the 24V electric current is ignited explosive valve, thereby makes bottle valve drive valve, nitrogen flows in the auto-pneumatic cylinder through reducing valve in a steady stream in the nitrogen cylinder, make jar internal pressure keep fire house to need dwell pressure, guarantee that jar interior water storage flows into fire_fighting pipe network with dwell pressure, send sound, light warning simultaneously, guarantee to supply with the 10min fire consumption, thus the timely and effective elimination initial stage condition of a fire.Signal is all handled and is sent instruction through programmable controller in this fire water supply equipment course of work, is closed-loop control system.Uninterrupted power supply (ups) Unity externally under the dump situation, guarantees to be no less than and supplies with the required 24 volts of power supplys of water supply facilities inner control circuit in 48 hours.
Said programmable controller (PLC) also can replace with other electronic-controlled installation, but precision is low than PLC, and also available other power supply of uninterrupted power supply (ups) Unity replaces, but UPS can charge automatically, and is non-maintaining substantially.
Claims (1)
1, a kind of nitrogen top pressing type fire water supply equipment, it comprises the programmable controller PLC (33) and the uninterrupted power source UPS (34) of electrical control cubicles (2) and interior installation thereof, water tank (1), auto-pneumatic cylinder (7), electro connecting pressure gauge (8), (10) and pressure gauge with transmission device compositions such as (9) is characterized in that:
A, auto-pneumatic cylinder (7) upper side be provided with electrical control cubicles (2) in the programmable controller electro connecting pressure gauge (8), pressure gauge with transmission device (9) and the electro connecting pressure gauge (10) that link to each other, link to each other with flap valve (12) by pipeline;
B, auto-pneumatic cylinder (7) top are provided with flap valve (12), flap valve (12) links to each other with safety valve (13), pressure meter (15) and the nitrogen cylinder group (17) that has reducing valve (16), a bottle valve (35) respectively by pipeline, and auto-pneumatic cylinder (7) top also is equipped with the electromagnetic exhaust valve (11) that links to each other with programmable controller (33) in the electrical control cubicles (2) and is joined;
C, auto-pneumatic cylinder (7) side middle part is provided with the level sensor (18) that links to each other with programmable controller in the electrical control cubicles (2), and the bottom of stop valve (19) and level sensor (18) joins;
D, auto-pneumatic cylinder (7) bottom are provided with air-stopping valve (24), a road of air-stopping valve (24) outlet is connected with safety valve (23), flap valve (22), stop valve (21) and fire water supply pipe network (32), another road of air-stopping valve (24) outlet links to each other with the electromagnetism draining valve (26) that links to each other with electrical control cubicles (2) by lead, also join simultaneously with stop valve (25), electromagnetism draining valve (26) by pipeline be installed in the stop valve (31) that same water tank (1) links to each other and communicate;
E, middle part, auto-pneumatic cylinder (7) side link to each other by the end of pipeline with stop valve (6), flap valve (5), inlet valve (4) and tonifying Qi tube, tonifying Qi tube (31) other end is by water pump (28), (29), and the stop valve (30) that links to each other with water tank (1), (31) link to each other respectively;
F, explosive valve (14) one ends link to each other with electrical control cubicles (2) by lead, explosive valve and bottle valve (35) associated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95209050 CN2218771Y (en) | 1995-04-29 | 1995-04-29 | Nitrogen pressing water supply equipment for fire extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95209050 CN2218771Y (en) | 1995-04-29 | 1995-04-29 | Nitrogen pressing water supply equipment for fire extinguishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2218771Y true CN2218771Y (en) | 1996-01-31 |
Family
ID=33860185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95209050 Expired - Fee Related CN2218771Y (en) | 1995-04-29 | 1995-04-29 | Nitrogen pressing water supply equipment for fire extinguishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2218771Y (en) |
-
1995
- 1995-04-29 CN CN 95209050 patent/CN2218771Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |