CN206815434U - Oil tank fire control constant pressure water supply system - Google Patents
Oil tank fire control constant pressure water supply system Download PDFInfo
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- CN206815434U CN206815434U CN201720522159.9U CN201720522159U CN206815434U CN 206815434 U CN206815434 U CN 206815434U CN 201720522159 U CN201720522159 U CN 201720522159U CN 206815434 U CN206815434 U CN 206815434U
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Abstract
It the utility model is related in a kind of oil tank fire control constant pressure water supply system, including water storage device and the fire line that is connected with the water storage device, in addition to：Programmable logic controller (PLC), it is preset with normal pressure；Stabilized pressure pump, the stabilized pressure pump at least two and and is connected to the fire line；Frequency converter, the frequency output terminal of the frequency converter are connected with the rotating speed control terminal of the stabilized pressure pump, and the input of the frequency converter electrically connects with the programmable logic controller (PLC)；First pressure transmitter, it is installed on the fire line and is electrically connected with the programmable logic controller (PLC)；The programmable logic controller (PLC) is arranged to：The first pressure signal of the first pressure transmitter transmission is received, and the rate-adaptive pacemaker of the frequency converter is controlled based on the normal pressure and the first pressure signal.The system has the characteristics of responding timely, reliable and stable, reduction cost of labor, saving the energy.
Description
Technical field
Oil tank fire control technical field is the utility model is related to, more particularly to oil tank fire control constant pressure water supply system.
Background technology
Oil depot stores a large amount of oil products, and with the attention of the security against fire to oil depot, oil storage safety requirement is also further carried
Height, existing waterworks for firefighting can not meet to require.
Existing fire fighting supply is by manually starting fire-fighting water supplying pump, and fire water pressure is checked at scene, during insufficient pressure
Just manually start fire pump, the artificial observation water supply network pressure gauge in scene, during more than pressure, artificial termination of pumping.It is such manually to face
When way of supplying water, to the response of the pressure change of fire-fighting water supply network not in time, it is impossible to meet fire-fighting pressure demand, Er Qieyan in real time
Weight waste of resource, there is also problems such as potential safety hazards, the fire fighting supply mode security reliability of such oil depot is not high.
Utility model content
Based on this, it is necessary to security, reliability and response promptness for how to improve oil tank fire control water supply, and
Reduce cost of labor, save the problem of hydroelectric resources, there is provided a kind of oil tank fire control constant pressure water supply system.
A kind of oil tank fire control constant pressure water supply system, including water storage device and the fire line that is connected with the water storage device,
Also include：Programmable logic controller (PLC), it is preset with normal pressure；Stabilized pressure pump, the stabilized pressure pump at least two and and is connected to
The fire line；Frequency converter, the frequency output terminal of the frequency converter are connected with the rotating speed control terminal of the stabilized pressure pump, the change
The input of frequency device electrically connects with the programmable logic controller (PLC)；First pressure transmitter, it is installed on the fire line simultaneously
And electrically connected with the programmable logic controller (PLC)；The programmable logic controller (PLC) is arranged to：The first pressure is received to become
The first pressure signal for sending device to transmit, and the frequency converter is controlled based on the normal pressure and the first pressure signal
Rate-adaptive pacemaker.
The utility model uses frequency conversion voltage stabilizing fire fighting supply technology, and controller, frequency converter and pressure transmitter electrically connect, entirely
Journey has controller control, it is not necessary to manual intervention, fire_fighting pipe network is always held at the preparation of high pressure (oil tank fire control hydraulic pressure) and disappears
Anti- state, the effective of fire-fighting system is kept, once there is the condition of a fire, its response speed is very timely, reliablely and stablely regulates and controls pressure,
Reduce cost of labor.The system carries out speed governing with frequency converter, is a kind of Energy Saving Control of optimization, stabilized pressure pump is realized to greatest extent
Energy-saving run, also using two stabilized pressure pumps, the rotating speed of each stabilized pressure pump is small, corresponding noise and vibrations also mitigate significantly, be
A kind of environmentally friendly technology.
In one of the embodiments, the first pressure transmitter is installed on the distal end of the fire line.
In one of the embodiments, in addition to fire pump, the power of the fire pump are more than two stabilized pressure pumps, institute
State fire pump and the voltage stabilizing parallel connection of pumps and access the fire line, the fire pump and the programmable logic controller (PLC)
Electrical connection.
In one of the embodiments, the fire pump is 4.
In one of the embodiments, in addition to：Second pressure transmitter, for sensing the pressure of the water storage device,
Electrically connected with the programmable logic controller (PLC) and the second pressure signal of sensing be sent to the programmable logic controller (PLC),
Water replanishing device, the water replanishing device include：Moisturizing pipeline, it is connected to the water storage device, to be supplied water to the water storage device,
On-off valve, it is arranged in the moisturizing pipeline and is electrically connected with the programmable logic controller (PLC), the FPGA control
Device processed prestores standard liquid level, is arranged to：The second pressure signal is converted into liquid level signal and based on described
Standard liquid level and control the break-make of the on-off valve.
In one of the embodiments, the water storage device includes two water tanks, the bottom phase of described two water tanks
Connection, the second pressure transmitter are arranged at one of two water tanks.
In one of the embodiments, the standard liquid level includes：Limit level, the limit level are in 10 meters
Scope between 11 meters, low limit level, the scope that the low limit level is between 1 meter to 2 meters, when the FPGA
When the liquid level of controller conversion is higher than the limit level, the on-off valve disconnects, when the programmable logic controller (PLC)
When the liquid level of conversion is less than the low limit level, the on-off valve is connected.
In one of the embodiments, the limit level is 10.6 meters, and the low limit level is 1.5 meters.
Brief description of the drawings
Fig. 1 is the structural representation of oil tank fire control constant pressure water supply system provided by the utility model；
Fig. 2 is the electrical connection block diagram of the stabilized pressure pump of the oil tank fire control constant pressure water supply system in control figure 1.
Fig. 3 is the electrical connection block diagram of the water storage device moisturizing of the oil tank fire control constant pressure water supply system in control figure 1.
Reference：
Stabilized pressure pump 200
Fire pump 300
Small pump 400
On-off valve 500
First pressure transmitter 700
Second pressure transmitter 800
Water storage device 900.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 is the structural representation of oil tank fire control constant pressure water supply system provided by the utility model；Fig. 2 is in control figure 1
Oil tank fire control constant pressure water supply system stabilized pressure pump 200 electrical connection block diagram.Water is represented with reference to the arrow in figure 1 and Fig. 2, Fig. 1
Direction is flowed, the utility model discloses a kind of oil tank fire control constant pressure water supply system, including water storage device 900 and is filled with the water storage
The fire line of 900 connections is put, in addition to：Programmable logic controller (PLC) (hereinafter referred to as controller), stabilized pressure pump 200, frequency converter
With first pressure transmitter 700.Wherein, programmable logic controller (PLC) is preset with normal pressure；The stabilized pressure pump 200 is at least two
It is individual and and be connected to the fire line；The rotating speed control terminal of the frequency output terminal of the frequency converter and the stabilized pressure pump 200 connects
Connect, the input of the frequency converter electrically connects with the programmable logic controller (PLC)；First pressure transmitter 700 is installed on described
Fire line and electrically connected with the programmable logic controller (PLC).The programmable logic controller (PLC) is arranged to：Described in reception
The first pressure signal that first pressure transmitter 700 transmits, and based on the normal pressure and the first pressure signal and
Control the rate-adaptive pacemaker of the frequency converter.
First pressure transmitter 700 and the equal access controller of frequency converter, first pressure transmitter 700 sense fire_fighting pipe network
Pressure simultaneously forms first pressure signal and then sends controller to, and controller receives the first pressure signal and carries out logic fortune
Calculate, the frequency of frequency converter is controlled according to the difference of the first pressure signal and default normal pressure.When the real-time pressure of sensing
During less than normal pressure, controller starts stabilized pressure pump 200 and keeps pressure, by the rotating speed of Frequency Converter Control stabilized pressure pump 200, from
0 rotating speed steps up the rotating speed of First stabilized pressure pump 200, real time inspection fire_fighting pipe network pressure, as long as real-time pressure is not to up to standard
Quasi- pressure, just improves rotating speed always, if reaching normal pressure, keeps current rotating speed pressurize fire_fighting pipe network.When stabilized pressure pump 200 reaches
During to during maximum (top) speed again without normal pressure is reached, controller starts second stabilized pressure pump 200, and passes through frequency converter control
Rotating speed processed, the rotating speed of second stabilized pressure pump 200 is stepped up from 0 rotating speed, until pressure reaches normal pressure.
The utility model uses frequency conversion voltage stabilizing fire fighting supply technology, and controller, frequency converter and pressure transmitter electrically connect, entirely
Journey has controller control, it is not necessary to manual intervention, fire_fighting pipe network is always held at the preparation of high pressure (oil tank fire control hydraulic pressure) and disappears
Anti- state, the effective of fire-fighting system is kept, once there is the condition of a fire, its response speed is very timely, reliablely and stablely regulates and controls pressure,
Reduce cost of labor.The system carries out speed governing with frequency converter, is a kind of Energy Saving Control of optimization, stabilized pressure pump 200 is realized maximum
The energy-saving run of limit, also using two stabilized pressure pumps 200, the rotating speed of each stabilized pressure pump 200 is small, and corresponding noise and vibrations are also big
It is big to mitigate, it is a kind of environmentally friendly technology.
In one embodiment, first pressure transmitter 700 is installed on the distal end of fire_fighting pipe network.So first pressure pick-up
Device 700 can accurately sense the pressure value of distal end, can ensure the validity of whole fire water ductwork pressure.
In one embodiment, in addition to fire pump 300, the power of the fire pump 300 are more than two stabilized pressure pumps
200, the fire pump 300 is in parallel with the stabilized pressure pump 200 and accesses the fire line, the fire pump 300 with it is described
Programmable logic controller (PLC) electrically connects.Controller controls the start and stop of fire pump 300.
Fire pump 300 and stabilized pressure pump 200 improve fire_fighting pipe network flow, dangerous situation occurs in guarantee by waterpipe parallel pumping
It is the flow for ensureing fire water.
Generally, the sure constant pressure water supply for ensureing fire_fighting pipe network of two stabilized pressure pumps 200, but in view of special
Situation, such as during the excessive situation of fire demand water, when second stabilized pressure pump 200 to maximum (top) speed is again without reaching normal pressure
When, controller can directly initiate fire pump 300 and supply water so that fire line is constant to arrive normal pressure.In this embodiment,
Fire pump 300 is set in addition, and effectively two stabilized pressure pumps 200 of reply, which are short of power, is unable to reach the situation of voltage stabilizing requirement, enters one
Step ensures the pressure of fire_fighting pipe network.
In one embodiment, the fire pump 300 is 4, if First fire pump 300 is unable to pressurize, controller after
It is continuous to start second fire pump 300, the 3rd fire pump 300, the 4th fire pump 300 successively, arrived until fire line is constant
Normal pressure.
In turn, when pressure reaches normal pressure, system can close four fire pumps 300 successively according to pressure value, the
Two stabilized pressure pumps 200, until First stabilized pressure pump 200 is always maintained at fire_fighting pipe network pressure with certain rotating speed.When occurring using water
In the case of, pressure declines, and the system constantly repeats above-mentioned cyclic process, keeps fire water ductwork pressure in real time.
Fig. 3 is the electrical connection block diagram of the moisturizing of water storage device 900 of the oil tank fire control constant pressure water supply system in control figure 1.Ginseng
Fig. 3 is examined, in a preferred embodiment, the system also includes second pressure transmitter 800 and water replanishing device.Second pressure transmitter
800 are arranged at the water storage device 900, for sensing the pressure of the water storage device 900, and with the FPGA control
Device processed is electrically connected so that second pressure signal is sent into the programmable logic controller (PLC).Water replanishing device includes moisturizing pipeline, led to
Disconnected valve 500, watering place supply water to moisturizing pipeline, and moisturizing pipeline connects the water storage device 900 to be supplied water to water storage device 900,
On-off valve 500 is arranged in the moisturizing pipeline and electrically connected with the programmable logic controller (PLC).The FPGA
Controller prestores standard liquid level, is arranged to：The second pressure signal is converted into liquid level signal and is based on institute
State standard liquid level and control the break-make of the on-off valve 500.
The second pressure signal that controller transmits to second pressure transmitter 800 is also made with the standard to prestore for altitude signal
Logical operation, moisturizing is controlled according to the difference of the two, such as, when the real-time level being converted to highly is higher than standard liquid level
When, small pump 400 is closed, and on-off valve 500 disconnects, not moisturizing, when the real-time level being converted to is high highly less than standard liquid level
When spending, small pump 400 is opened, and on-off valve 500 is connected, moisturizing.
Specifically, standard liquid level includes limit level and low limit level.The limit level is in 10 meters to 11 meters
Between scope, the low limit level be in 1 meter to 2 meters between scope.When the liquid of programmable logic controller (PLC) conversion
When position height is higher than the limit level, on-off valve 500 is disconnected, and small pump 400 is closed, when the programmable logic controller (PLC) turns
When the liquid level changed is less than the low limit level, on-off valve 500 connects moisturizing pipeline, and the small pump 400 is opened.
More specifically, the limit level is 10.6 meters, the low limit level is 1.5 meters.The utility model stores up to fire-fighting
The water level of water installations 900 carries out automatic controlled water replanishing.When the liquid level of water storage device 900 is less than 1.5 meters, on-off valve 500 is connected, and is beaten
Small pump 400 is opened, moisturizing is carried out to storage water storage device 900, when the liquid level of water storage device 900 is more than 10.6 meters, on-off valve 500 is disconnected
Open, close small pump 400, stop moisturizing.Until liquid level is less than 1.5 meters, process above is repeated.
Preferably, the water storage device 900 includes two water tanks, and the bottom of described two water tanks is connected, described
Second pressure transmitter 800 is arranged at one of two water tanks.
It can so keep two water storage tank water levels identical, can only measures a water tank i.e. when measuring liquid level
Can, reduce by a pressure transmitter, reduce investment.
In the utility model, level gauging is according to Archimedes buoyancy principle, using pressure transmitter measurement liquid level, root
It is high for water according to the pressure conversion of measurement.It is so easy for installation, it is relative to reduce investment with installation liquid level gauge.
What first pressure transmitter 700 and second pressure transmitter 800 above was known in the art in itself.Above
In on-off valve 500 can be valve that motor-driven valve, pneumatic operated valve etc. have on-off function.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. a kind of oil tank fire control constant pressure water supply system, including water storage device and the fire line that is connected with the water storage device, its
It is characterised by, in addition to：
Programmable logic controller (PLC), it is preset with normal pressure；
Stabilized pressure pump, the stabilized pressure pump at least two and and is connected to the fire line；
Frequency converter, the frequency output terminal of the frequency converter are connected with the rotating speed control terminal of the stabilized pressure pump, the frequency converter it is defeated
Enter end to electrically connect with the programmable logic controller (PLC)；
First pressure transmitter, it is installed on the fire line and is electrically connected with the programmable logic controller (PLC)；
The programmable logic controller (PLC) is arranged to：The first pressure signal of the first pressure transmitter transmission is received, and
The rate-adaptive pacemaker of the frequency converter is controlled based on the normal pressure and the first pressure signal.
2. oil tank fire control constant pressure water supply system according to claim 1, it is characterised in that the first pressure transmitter peace
Distal end loaded on the fire line.
3. oil tank fire control constant pressure water supply system according to claim 2, it is characterised in that described to disappear also including fire pump
The power of anti-pump is more than two stabilized pressure pumps, the fire pump and the voltage stabilizing parallel connection of pumps and accesses the fire line,
The fire pump electrically connects with the programmable logic controller (PLC).
4. oil tank fire control constant pressure water supply system according to claim 3, it is characterised in that the fire pump is 4.
5. according to the oil tank fire control constant pressure water supply system described in claim any one of 1-4, it is characterised in that also include：
Second pressure transmitter, for sensing the pressure of the water storage device, electrically connected simultaneously with the programmable logic controller (PLC)
The second pressure signal of sensing is sent to the programmable logic controller (PLC),
Water replanishing device, the water replanishing device include：
Moisturizing pipeline, the water storage device is connected to, to be supplied water to the water storage device,
On-off valve, it is arranged in the moisturizing pipeline and is electrically connected with the programmable logic controller (PLC),
The programmable logic controller (PLC) prestores standard liquid level, is arranged to：The second pressure signal is converted into liquid
Position altitude signal simultaneously controls the break-make of the on-off valve based on the standard liquid level.
6. oil tank fire control constant pressure water supply system according to claim 5, it is characterised in that the water storage device includes two
Water tank, the bottom of described two water tanks are connected, and the second pressure transmitter is arranged at one of two water tanks.
7. oil tank fire control constant pressure water supply system according to claim 6, it is characterised in that the standard liquid level bag
Include：
Limit level, the scope that the limit level is between 10 meters to 11 meters,
Low limit level, the scope that the low limit level is between 1 meter to 2 meters,
When the liquid level of programmable logic controller (PLC) conversion is higher than the limit level, the on-off valve disconnects, when
When the liquid level of the programmable logic controller (PLC) conversion is less than the low limit level, the on-off valve is connected.
8. oil tank fire control constant pressure water supply system according to claim 7, it is characterised in that the limit level is 10.6
Rice, the low limit level are 1.5 meters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522159.9U CN206815434U (en) | 2017-05-11 | 2017-05-11 | Oil tank fire control constant pressure water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522159.9U CN206815434U (en) | 2017-05-11 | 2017-05-11 | Oil tank fire control constant pressure water supply system |
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| CN206815434U true CN206815434U (en) | 2017-12-29 |
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| CN201720522159.9U Active CN206815434U (en) | 2017-05-11 | 2017-05-11 | Oil tank fire control constant pressure water supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612082A (en) * | 2018-10-29 | 2019-04-12 | 天津富斯特压力容器有限公司 | A kind of novel constant pressure supply water mechanism |
-
2017
- 2017-05-11 CN CN201720522159.9U patent/CN206815434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612082A (en) * | 2018-10-29 | 2019-04-12 | 天津富斯特压力容器有限公司 | A kind of novel constant pressure supply water mechanism |
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