CN108211184B - Seawater fire-fighting water rapid switching system - Google Patents

Seawater fire-fighting water rapid switching system Download PDF

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Publication number
CN108211184B
CN108211184B CN201711345820.4A CN201711345820A CN108211184B CN 108211184 B CN108211184 B CN 108211184B CN 201711345820 A CN201711345820 A CN 201711345820A CN 108211184 B CN108211184 B CN 108211184B
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water
fire
seawater
fighting
valve
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CN108211184A (en
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张仁坤
陈勇
黄秋霞
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention relates to a fire-fighting system, in particular to a seawater fire-fighting water rapid switching system. The utility model provides a sea water fire control water fast switch-over system, includes inlet channel, sea water filter, pumping plant, sea water fire control jar, fresh water fire control jar and fire pump room, the inlet channel connect gradually sea water filter, pumping plant, sea water fire control jar and fire pump room, the inlet channel between pumping plant and the sea water fire control jar on be provided with first valve, sea water fire control jar and fire pump room between the inlet channel on be provided with the air-operated valve, fresh water fire control jar and fire pump room between pass through the pipe connection, fresh water fire control jar and fire pump room between the pipeline on be provided with the air-operated valve, fresh water fire control jar on be provided with liquid state controller. The invention has simple operation, solves the corrosion problem caused by seawater, and can quickly switch between seawater fire-fighting water and fresh water fire-fighting water.

Description

Seawater fire-fighting water rapid switching system
Technical Field
The invention relates to a fire-fighting system, in particular to a seawater fire-fighting water rapid switching system.
Background
Coastal and large-scale development is the current development trend of oil storage tank areas in China. With the popularization of large storage tanks of 10 ten thousand square or even 15 ten thousand square, the fire-fighting water consumption is increased sharply, and in island areas of China, fresh water resources are lacked, so that under the condition that the fire-fighting water consumption is increased sharply, a fire-fighting water source becomes a problem to be solved urgently. The sea island oil depot is characterized in that inexhaustible seawater resources are provided for enterprises under the condition of fresh water shortage, and if seawater can be used as fire water, the seawater can be used as local materials, so that a large amount of fresh water resources and the construction cost of a fire pool are saved. Meanwhile, compared with fresh water, the seawater has the characteristics of good thermal conductivity, fast heat transfer and the like. Therefore, the seawater used as the fire-fighting water has important significance in both situation and economic aspects.
The seawater is used as water for a fire-fighting system, has certain feasibility in petrochemical enterprises and oil depots, but the seawater is used as a fire-fighting water source, and a plurality of key problems of the fire-fighting system have to be solved, which are mainly shown in the following aspects: 1. corrosion problems with seawater: the seawater has strong corrosion effect on a fire control pump, a pipeline and a valve; 2. the water pump and the water suction pipe are easy to block: the water suction pipe of the seawater fire pump is close to an adjacent bay, the stormy waves are small, but when the seawater rises and falls, sea waves carry sea sand, seaweed and the like to enter the water suction pipe of the fire pump, and the water suction pipe is blocked or deeply buried.
For example, Chinese patent publication numbers are: CN 203694484U, an outdoor seawater fire extinguishing system who announces in 2014 7 month 9, including being connected with the fire pump that absorbs water the pipe, pipe network and install a plurality of fire hydrants in the pipe network, the pipe that absorbs water is anticorrosive pipe that absorbs water, the pipe network is anticorrosive pipe network, filter and electrolytic device are installed to the water sucking mouth that absorbs water the pipe. Although the device can save a large amount of fresh water resources and cost, when the fire place is too far away from the sea, a continuous and stable fire-fighting water source cannot be obtained from the sea.
Disclosure of Invention
The invention mainly aims at the problems and provides a seawater fire-fighting water rapid switching system which is simple to operate, solves the corrosion problem caused by seawater and can rapidly switch between seawater fire-fighting water and fresh water fire-fighting water.
The purpose of the invention is mainly realized by the following scheme: the utility model provides a sea water fire control water fast switch-over system, includes inlet channel, sea water filter, pumping plant, sea water fire control jar, fresh water fire control jar and fire pump room, the inlet channel connect gradually sea water filter, pumping plant, sea water fire control jar and fire pump room, the inlet channel between pumping plant and the sea water fire control jar on be provided with first valve, sea water fire control jar and fire pump room between the inlet channel on be provided with the air-operated valve, fresh water fire control jar and fire pump room between pass through the pipe connection, fresh water fire control jar and fire pump room between the pipeline on be provided with the air-operated valve, fresh water fire control jar on be provided with liquid state controller. According to the sequence of seawater inflow, a water inlet pipeline is sequentially connected with a seawater filter, a water pump device, a seawater fire-fighting tank and a fire-fighting pump room, the water pump device is started to pump seawater into the water inlet pipeline, the seawater flows into the seawater filter through the water inlet pipeline, the seawater filter can filter the seawater and filter particulate matters in the seawater to prevent the pipeline from being blocked, a first valve is arranged on the water inlet pipeline between the water pump device and the seawater fire-fighting tank, the switch of the first valve can control the flowing and stopping of the seawater, an air-open valve is arranged on the water inlet pipeline between the seawater fire-fighting tank and the fire-fighting pump room, the fresh water fire-fighting tank is connected with the fire-fighting pump room through a pipeline, an air-close valve is arranged on the pipeline between the fresh water fire-fighting tank and the fire-fighting pump room, a liquid controller is arranged on the fresh, when carrying out fire control work, accomplish fire control work with the fresh water in the fresh water fire control jar earlier, the air-lock valve does not receive the signal and is in the open mode this moment, the air-lock valve is in the closed mode, fresh water in the fresh water fire control jar passes through in the pipeline inflow fire pump room, when the storage water content in the fresh water fire control jar reduces to the certain degree, liquid state controller can send out the signal to water pumping plant, the air-lock valve receives the signal and is in the closed mode this moment, the air-lock valve is in the open mode, water pumping plant begins to extract the sea water, the sea water in the sea water fire control jar this moment is extracted through the inlet channel and is got into in the fire pump room, begin.
Preferably, the first valve is a one-way valve. The first valve is a one-way valve, when the seawater is used for fire fighting and disaster relief, the water pump device extracts seawater, under the action of the first valve, the seawater can only flow towards the seawater fire fighting tank and can not flow backwards, the influence of system pressure impact on the water pump device can be prevented, when the water pump device does not work, the backflow of the seawater in the water inlet pipeline or the seawater fire fighting tank can be prevented, and the safety is improved.
Preferably, the water inlet pipelines at the two ends of the seawater filter are connected with a first electromagnetic valve through pipelines, and the water inlet pipelines at the two ends of the first valve are connected with a second electromagnetic valve through pipelines. There is first solenoid valve through the pipe connection on the inlet channel at sea water filter both ends, there is the second solenoid valve through the pipe connection on the inlet channel at first valve both ends, accomplish or need not carry out fire control work when fire control work, need to flow back into the sea again with the sea water in the sea water fire control jar, under the normal conditions, first solenoid valve and second solenoid valve all are in the off-state, only when need flow back into the sea with the water refluence in the sea water fire control jar, just open first solenoid valve and second solenoid valve, make the sea water follow the sea water fire control jar along the pipeline in proper order, the second solenoid valve, water pumping plant and first solenoid valve, at last from the water inlet department of inlet channel flow back into the sea.
Preferably, a pressure gauge is arranged on the water inlet pipeline at the water outlet of the water pump device. Be provided with the manometer on the inlet channel of pumping plant delivery port department, the manometer can confirm pumping plant's outlet pressure, judges whether this outlet pressure reaches the requirement to pumping plant's operational aspect can be examined.
Preferably, a third electromagnetic valve is installed at the water inlet of the water inlet pipeline. The third solenoid valve is installed to the water inlet department of inlet channel, and only when the third solenoid valve was opened, pumping plant could just be smoothly from the sea and draw the sea water, when need not to carry out fire control work, closes the third solenoid valve for the sea water can't flow in the pipeline, has increased the security.
Preferably, the seawater fire-fighting tank and the fresh water fire-fighting tank are connected through an auxiliary pipeline, and a fourth electromagnetic valve is arranged on the auxiliary pipeline. Through the auxiliary line connection between sea water fire control jar and the fresh water fire control jar, be provided with the fourth solenoid valve on the auxiliary line, the fourth solenoid valve is in the closed condition under the normal conditions, when the storage water yield in sea water fire control jar and the fresh water fire control jar needs the adjustment, opens the fourth solenoid valve and can be with the mobile adjustment of the storage water in two fire control jars.
Preferably, the water inlet pipeline is an anti-corrosion pipeline. The water inlet pipeline is an anti-corrosion pipeline and is prevented from being corroded by seawater.
Preferably, an electrolytic cell is arranged on a water inlet pipeline between the seawater filter and the water pump device. The water inlet pipeline between the seawater filter and the water pump device is provided with the electrolytic bath, and the electrolytic bath can prevent the growth of algae, bacteria and fungi by electrolyzing seawater and prevent the attachment and the propagation of marine organisms in the water inlet pipeline.
Therefore, the seawater fire-fighting water rapid switching system has the following advantages: the utility model is simple in operation, the security is high, can directly get water nearby when carrying out fire control and relief work, has avoided building large-scale fire-fighting water pond, has practiced thrift fresh water resources when reducing the area that occupies, uses anticorrosive pipeline can prevent that the pipeline from being corroded by the sea water, and the sea water filter equipment of setting can filter the sea water, filters the particulate matter in the sea water, prevents that the pipeline from taking place to block up, can be using quick switch-over between sea water fire-fighting water and fresh water fire-fighting water.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Illustration of the drawings: 1-a water inlet pipeline, 2-a third electromagnetic valve, 3-a first electromagnetic valve, 4-a seawater filter, 5-an electrolytic tank, 6-a water pump device, 7-a second electromagnetic valve, 8-a pressure gauge, 9-a first valve, 10-a fourth electromagnetic valve, 11-a seawater fire-fighting tank, 12-an air-open valve, 13-an auxiliary pipeline, 14-a fresh water fire-fighting tank, 15-an air-close valve, 16-a liquid controller and 17-a fire-fighting pump room.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in figure 1, a seawater fire-fighting water rapid switching system comprises a water inlet pipeline 1, a seawater filter 4, a water pump device 6, a seawater fire-fighting tank 11, a fresh water fire-fighting tank 14 and a fire-fighting pump room 17, wherein the water inlet pipeline is an anti-corrosion pipeline which prevents the water inlet pipeline from being corroded by seawater, the water inlet pipeline is sequentially connected with the seawater filter, the water pump device, the seawater fire-fighting tank and the fire-fighting pump room according to the inflow sequence of the seawater, the water pump device is started to pump the seawater into the water inlet pipeline, a third electromagnetic valve 2 is installed at the water inlet of the water inlet pipeline, the water pump device can smoothly pump the seawater from the sea only when the third electromagnetic valve is opened, when fire-fighting work is not needed, the third electromagnetic valve is closed, so that the seawater in the pipeline cannot flow, the safety is increased, a pressure gauge 8 is arranged on the water inlet pipeline at the water, judging whether the outlet pressure meets the requirement or not, thereby being capable of checking the working operation condition of the water pump device, the seawater flows into the seawater filter through the water inlet pipeline, the seawater filter can filter the seawater, filter the particles in the seawater and prevent the pipeline from being blocked, an electrolytic bath 5 is arranged on the water inlet pipeline between the seawater filter and the water pump device, the electrolytic bath can prevent the growth of algae, bacteria and fungi by electrolyzing the seawater and prevent the attachment and the propagation of marine organisms in the water inlet pipeline, a first valve 9 is arranged on the water inlet pipeline between the water pump device and the seawater fire-fighting tank, the switch of the first valve can control the flow and the stop of the seawater, the first valve is a one-way valve, when the seawater is used for fire-fighting and disaster relief work, the water pump device extracts the seawater, and under the action of the first valve, the seawater can only flow towards the seawater fire-, the water pump device can not reversely flow backwards and can prevent system pressure impact from influencing the water pump device, when the water pump device does not work, seawater in a water inlet pipeline or a seawater fire fighting tank can be prevented from flowing backwards, safety is improved, an air opening valve 12 is arranged on the water inlet pipeline between the seawater fire fighting tank and a fire fighting pump room, the fresh water fire fighting tank is connected with the fire fighting pump room through a pipeline, an air closing valve 15 is arranged on the pipeline between the fresh water fire fighting tank and the fire fighting pump room, a liquid controller 16 is arranged on the fresh water fire fighting tank and can monitor the water storage amount in the fresh water fire fighting tank, when fire fighting work is carried out, the fire fighting work is finished by using fresh water in the fresh water fire fighting tank, at the moment, the air closing valve does not receive a signal and is in an opening state, the air opening valve is in a closing state, the fresh water in the fresh water fire fighting tank flows into the fire fighting pump room through, the liquid state controller sends a signal to the water pump device, the air-closed valve is in a closed state when receiving the signal, the air-open valve is in an open state, the water pump device starts to pump seawater, and the seawater in the seawater fire fighting tank is pumped into a fire fighting pump room through a water inlet pipeline to start seawater fire fighting and disaster relief work; the seawater filter is characterized in that water inlet pipelines at two ends of the seawater filter are connected with a first electromagnetic valve 3 through pipelines, the water inlet pipelines at two ends of the first valve are connected with a second electromagnetic valve 7 through pipelines, when the fire fighting work is finished or the fire fighting work is not needed, the seawater in the seawater fire fighting tank needs to flow back into the sea again, under the normal condition, the first electromagnetic valve and the second electromagnetic valve are both in a closed state, and only when the water in the seawater fire fighting tank needs to flow back into the sea, the first electromagnetic valve and the second electromagnetic valve are opened, so that the seawater flows back into the sea from the seawater fire fighting tank, the second electromagnetic valve, the water pump device and the first electromagnetic valve along the pipelines in sequence, and finally flows back into the sea from a water inlet of; connect through auxiliary pipeline 13 between sea water fire control jar and the fresh water fire control jar, be provided with fourth solenoid valve 10 on the auxiliary pipeline, the fourth solenoid valve is in the closed condition under the normal conditions, when the storage water volume in sea water fire control jar and the fresh water fire control jar needs the adjustment, opens the fourth solenoid valve and can be with the adjustment that flows of the storage water in two fire control jars.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (6)

1. A seawater fire-fighting water rapid switching system is characterized by comprising a water inlet pipeline, a seawater filter, a water pump device, a seawater fire-fighting tank, a fresh water fire-fighting tank and a fire-fighting pump room, wherein the water inlet pipeline is sequentially connected with the seawater filter, the water pump device, the seawater fire-fighting tank and the fire-fighting pump room;
when fire fighting work is carried out, the fresh water in the fresh water fire fighting tank is firstly used for completing the fire fighting work, the air-closed valve is in an open state when not receiving a signal, the air-open valve is in a closed state, the fresh water in the fresh water fire fighting tank flows into the fire fighting pump room through a pipeline, when the water storage quantity in the fresh water fire fighting tank is reduced to a certain degree, the liquid state controller sends a signal to the water pump device, the air-closed valve is in a closed state when receiving the signal, the air-open valve is in an open state, the water pump device starts to pump seawater, and the seawater in the seawater fire fighting tank is pumped into the fire fighting pump room through a water inlet pipeline at the moment to start the; the seawater filter is characterized in that water inlet pipelines at two ends of the seawater filter are connected with first electromagnetic valves through pipelines, the water inlet pipelines at two ends of the first valves are connected with second electromagnetic valves through pipelines, when the fire fighting work is finished or the fire fighting work is not needed, the seawater in the seawater fire fighting tank needs to flow back into the sea again, under the normal condition, the first electromagnetic valves and the second electromagnetic valves are both in a closed state, and only when the water in the seawater fire fighting tank needs to flow back into the sea, the first electromagnetic valves and the second electromagnetic valves are opened, so that the seawater sequentially flows back into the sea from the seawater fire fighting tank, the second electromagnetic valves, the water pump device and the first electromagnetic valves along the pipelines, and finally flows back into the sea from a water inlet of the water inlet; through the auxiliary line connection between sea water fire control jar and the fresh water fire control jar, be provided with the fourth solenoid valve on the auxiliary line, the fourth solenoid valve is in the closed condition under the normal conditions, when the storage water yield in sea water fire control jar and the fresh water fire control jar needs the adjustment, opens the fourth solenoid valve and can be with the mobile adjustment of the storage water in two fire control jars.
2. The seawater fire service water rapid switching system of claim 1, wherein the first valve is a check valve.
3. The seawater fire service water rapid switching system of claim 1, wherein a pressure gauge is arranged on a water inlet pipeline at a water outlet of the water pump device.
4. The seawater fire service water rapid switching system of claim 1, 2 or 3, wherein a third electromagnetic valve is installed at a water inlet of the water inlet pipeline.
5. The seawater fire service water rapid switching system of claim 1, 2 or 3, wherein the water inlet pipeline is an anti-corrosion pipeline.
6. The system for rapidly switching the seawater fire service water according to the claim 1, the claim 2 or the claim 3, wherein the inlet pipeline between the seawater filter and the water pump device is provided with an electrolytic cell.
CN201711345820.4A 2017-12-15 2017-12-15 Seawater fire-fighting water rapid switching system Active CN108211184B (en)

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Publication number Priority date Publication date Assignee Title
CN113087042A (en) * 2021-04-21 2021-07-09 天津国投津能发电有限公司 Seawater pretreatment industrial water saving system capable of being switched online and method thereof
CN115228025B (en) * 2022-07-12 2023-06-20 中国海洋石油集团有限公司 Fresh water recycling system and method for offshore electric power platform

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