CN115288769A - Control method of air inlet system of civil air defense project - Google Patents
Control method of air inlet system of civil air defense project Download PDFInfo
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- CN115288769A CN115288769A CN202210915496.XA CN202210915496A CN115288769A CN 115288769 A CN115288769 A CN 115288769A CN 202210915496 A CN202210915496 A CN 202210915496A CN 115288769 A CN115288769 A CN 115288769A
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- 230000007123 defense Effects 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 135
- 238000001914 filtration Methods 0.000 claims abstract description 80
- 239000003053 toxin Substances 0.000 claims abstract description 35
- 231100000765 toxin Toxicity 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 33
- 239000000126 substance Substances 0.000 claims abstract description 23
- 231100000614 poison Toxicity 0.000 claims abstract description 21
- 239000002574 poison Substances 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 230000002285 radioactive effect Effects 0.000 claims description 7
- 231100000419 toxicity Toxicity 0.000 claims description 6
- 230000001988 toxicity Effects 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 claims description 3
- 230000002588 toxic effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000013043 chemical agent Substances 0.000 claims description 2
- 239000003124 biologic agent Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 238000011045 prefiltration Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
The invention discloses a control method of a civil air defense engineering air inlet system, and relates to the technical field of civil air defense. In order to ensure the reliability of air inlet control; the air inlet system is divided into a poison filtering room, a wartime air inlet fan room and a chemical defense communication duty room according to regions; a filtering absorber is arranged in the toxin filtering chamber; a manpower and electric dual-purpose fan is arranged in the wartime fan inlet room; an electrical control box is arranged in the chemical defense communication duty room; the air inlet section of the poison filtering chamber is provided with a prefilter chamber and a dust removal chamber, the poison filtering chamber is communicated with the prefilter chamber and the dust removal chamber through the front end of an air inlet pipe, a main ventilation pipe is also installed in the wartime air inlet fan room, and the rear end of the air inlet pipe penetrates through the poison filtering chamber and is communicated with the main ventilation pipe of the wartime air inlet fan room. The air inlet system has high automation degree, various electromechanical devices are quickly started and stopped, the logic setting is simple and easy to operate, and the system reliability and safety are high; the purification and ventilation function can avoid the long-time accumulation of polluted air and the harm to the life health of personnel.
Description
Technical Field
The invention relates to the technical field of civil air defense, in particular to a control method of a civil air defense engineering air inlet system.
Background
Different ventilation modes are required to be set in civil air defense engineering according to the protection grade and the application, and the use requirements in normal times and wartime. Generally, the civil air defense engineering only has two modes of cleaning ventilation and isolation ventilation when being used for a material warehouse.
The design standard of the existing civil air defense engineering ventilation system is implemented for nearly twenty years, the performance indexes of related design principles, ventilation principles and related internal equipment are not different from those of the civil air defense industry in the last 60 th century, and the application of new technology is less; the specific air inlet system during wartime has the following defects:
1. the automation degree is low, the ventilation system adopts a large number of gate valves and manual closed valves, the gate valves and the manual closed valves must be opened and closed one by one manually, and auxiliary tools such as ladder stands and the like are needed, so that the efficiency is poor, and the safety risk is high;
2. sampling detection is adopted for air quality and pressure detection, and the detection precision is wide;
3. because the switching between different ventilation modes requires manual operation of personnel, the blower and the valve cannot be opened and closed simultaneously, and the equipment is damaged;
4. when the existing filter absorber is used for ventilation after being detached, a ventilation plug is required to be opened by manual operation of personnel, and the personnel are easily infected with toxic agents or radioactive dust.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a control method of a civil air defense engineering air inlet system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method of air inlet system of civil air defense project, the air inlet system is divided into a poison filtering room, a wartime air inlet fan room and a defense communication duty room according to regions; a filtering absorber is arranged in the toxin filtering chamber; a manpower and electric dual-purpose fan is arranged in the wartime fan inlet room; an electrical control box is arranged in the chemical defense communication duty room;
the air inlet section of the toxin filtering chamber is provided with a prefilter chamber and a dust removal chamber, the toxin filtering chamber is communicated with the prefilter chamber and the dust removal chamber through the front end of an air inlet pipe, a main ventilation pipe is also installed in the wartime air inlet fan room, the rear end of the air inlet pipe penetrates through the toxin filtering chamber and is communicated with the main ventilation pipe of the wartime air inlet fan room, and the main ventilation pipe is provided with a manual-electric closed valve component for controlling the connection and disconnection of the main ventilation pipe and the air inlet pipe;
the air inlet end of the filter absorber is communicated with the air inlet pipe through the air exchange pipe; the air exchange tube adopts a three-way structure, a tube opening I of the air exchange tube is communicated with the air inlet tube through a manual and electric closed valve III, a tube opening II is communicated with the filter absorber, and a manual and electric closed valve IV is installed on the tube opening III to serve as a plug;
the air outlet end of the filter absorber is connected with an air outlet branch pipe, and an air inlet auxiliary pipe is arranged in the wartime air inlet fan room and communicated with the air outlet branch pipe; the air outlet branch pipe penetrates through the toxin filtering chamber and is communicated with an air inlet auxiliary pipe of the wartime air inlet fan room; the air inlet auxiliary pipe is connected with the main ventilation pipe through a manual and electric closed valve V; the terminal of the main ventilation pipe of the fan room penetrates through the wall of the fan room and then is connected into the civil air defense engineering, and meanwhile, a manual and electric closed valve VI is arranged on the inner side of the wall.
Preferably, the following components: the manual and electric closed valve component comprises a manual and electric closed valve I and a manual and electric closed valve II, the manual and electric closed valve I and the manual and electric closed valve II are respectively positioned in the toxin filtering room and the wartime fan inlet room, and the manual and electric closed valve I and the manual and electric closed valve II are arranged in series.
And further: the air inlet end of a manpower and electric dual-purpose fan of the wartime fan inlet room is communicated with the main ventilation pipe through a pipeline; an air outlet pipe is also arranged in the wartime air inlet fan room, and the air outlet end of the manpower and electric dual-purpose fan is communicated with the air outlet pipe; one end of an air outlet pipe of the wartime air inlet fan room penetrates through the wall of the wartime air inlet fan room and then is connected into the interior of the civil air defense project.
Further preferred is: the power supply port of an electrical control box of the chemical defense communication duty room is respectively connected with the manual and electric dual-purpose fan and each manual and electric closed valve, and the control signal output end of the electrical control box is respectively connected with the manual and electric dual-purpose fan and the actuator of each manual and electric closed valve through a control cable.
As a preferable aspect of the present invention: the front end of air-supply line has the wave elimination equipment, the wave elimination equipment is connected with the coarse filter through the front end pipeline, both sides all are provided with air pressure sensor around the wave elimination equipment, air pressure sensor is located air-supply line and front end pipeline respectively, still be provided with radioactive monitoring sensor in the front end pipeline, radioactive monitoring sensor is located between coarse filter and the air pressure sensor, be provided with the tail gas detection sensor in the air-out branch pipe, the control signal input of electrical control box and radioactive monitoring sensor, air pressure sensor and tail gas detection sensor electric connection.
Further preferred as the invention: when civil air defense engineering is damaged by war and is in a power supply interruption working condition, the air inlet system only realizes two ventilation modes of clean ventilation and isolated ventilation; if the project is not attacked by nuclear weapons, chemical weapons and biological weapons, clean ventilation is adopted; specifically, the cleaning ventilation mode under the condition comprises the following steps:
s1: manually operating a first manual/electric sealing valve, a second manual/electric sealing valve and a sixth manual/electric sealing valve to be in an opening state;
s2: manually operating the rest manual and electric closed valves to be in a closed state;
s3: the man-powered and electric dual-purpose fan is driven by manpower, and clean air outside the project is conveyed to the interior of the civil air defense project through an air inlet pipe of the toxin filtering room and a main ventilating pipe of a wartime air inlet fan room;
when the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, an isolated ventilation mode must be adopted when the power supply of the engineering is interrupted; specifically, the isolated ventilation mode under such conditions comprises the steps of:
s11: the manual and electric closed valve is opened;
s12: manually operating the rest manual and electric closed valves to be in a closed state;
s13: the manpower-driven manpower-electric dual-purpose fan conveys air in the engineering to the interior of a civil defense engineering in a circulating mode through a main ventilation pipe of a war-time air inlet fan room and an air outlet pipe of the fan room.
As a still further scheme of the invention: when the civil air defense project is in a power supply working condition, the air inlet system has two modes of manual control and automatic control, when the civil air defense project is in the two control modes, the electric control box controls the manual and electric dual-purpose fan and the manual and electric airtight valves to be started, all the manual and electric airtight valves are in an initial closing state, and the initial state of the manual and electric dual-purpose fan is a shutdown state; the control method specifically comprises the following steps: selecting an operation mode of the air inlet system according to an operation mode selection switch of the electric control box, wherein the operation mode comprises a manual control mode and an automatic control mode; when the operation mode is the manual control mode, the air inlet system realizes four ventilation modes of clean ventilation, toxicity filtering ventilation, isolated ventilation and purification ventilation.
On the basis of the scheme: when the civil air defense engineering is not attacked by nuclear weapons, chemical weapons and biological weapons, clean ventilation is adopted; specifically, the cleaning ventilation mode under the condition comprises the following steps:
s21: the electric control box controls the manual and electric closed valve I, the manual and electric closed valve II and the manual and electric closed valve VI to be in an open state, and the other manual and electric closed valves are kept in a closed state;
s22: starting a manpower and electric dual-purpose fan, and conveying clean air outside the project to the interior of the civil air defense project through an air inlet pipe of a toxin filtering room and a main ventilating pipe of a wartime air inlet fan room;
when the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, the toxic filtering and ventilation are adopted; specifically, the method for filtering poison and ventilating under the condition comprises the following steps:
s31: the electric control box controls the manual and electric closed valve III, the manual and electric closed valve V and the manual and electric closed valve VI to be in an opening state, and the other manual and electric closed valves are kept in a closing state;
s32: and starting the manual and electric dual-purpose fan, and conveying clean air outside the engineering to the interior of the civil defense engineering through an air inlet pipe, a ventilation pipe, a filter absorber, an air outlet branch pipe, an air inlet auxiliary pipe of the wartime air inlet fan room and a main ventilation pipe of the wartime air inlet fan room of the toxin filtering chamber.
On the basis of the scheme, the following steps are preferred: in the poison filtering and ventilating engineering, when the amount of radioactive dust and chemical toxin biological warfare agent in the air after passing through a filter absorber is found to exceed an allowable value or the ventilation resistance of the filter absorber is too large or too small, the process is immediately switched to isolation ventilation, and after the reason is found and properly treated, the process is switched to poison filtering and ventilating; specifically, the ventilation mode under the condition comprises the following steps:
s41: the electrical control box controls the manual and electric closed valves to be in an open state, and switches the rest manual and electric closed valves to be in a closed state;
s42: starting a manual and electric dual-purpose fan, and circularly conveying air in the engineering to the interior of the civil air defense engineering through a main ventilation pipe of a wartime air inlet fan room and an air outlet pipe of the fan room;
a manual and electric closed valve seventh is arranged in the toxin filtering chamber and used for communicating the toxin filtering chamber with the interior of the civil air defense project
And (3) purifying and changing the air state, specifically, after the filter absorber is disassembled and changed, controlling the installation of a manual and electric sealing valve IV, a manual and electric sealing valve V, a manual and electric sealing valve VI and a manual and electric sealing valve VII to be in an open state by an electric control box, maintaining the rest manual and electric sealing valves in a closed state, simultaneously opening a manual and electric dual-purpose fan, and conveying the air polluted in the toxicity filtering room to the interior of the civil air defense project through a ventilation pipe, the filter absorber, an air outlet branch pipe, an air inlet auxiliary pipe of the war air inlet fan room and a main ventilation pipe of the war air inlet fan room.
It is further preferred on the basis of the foregoing scheme that: when the operation mode is the automatic control mode, the air inlet system can realize three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation;
the radioactivity monitoring sensor, the air pressure sensor and the tail gas detection sensor are used for monitoring the air quality and pressure inside and outside the project in real time, transmitting signals to the electric control box, processing the received signals by the electric control box, and correspondingly controlling the manual and electric dual-purpose fan and the manual and electric closed valve to work according to the air quality and pressure state; the specific working steps are the same as the actions of a manual control mode;
the electric control box is provided with an interface for connecting a control line to be connected with a four-prevention lamp, four functional states in an automatic control mode can be displayed on the four-prevention lamp, the four-prevention lamp respectively displays different ventilation states by using four different colors, wherein red represents isolated ventilation, green represents clean ventilation, yellow represents toxicity filtering ventilation and white represents purification ventilation;
the manual and electric dual-purpose fan adopts an electric and hand-operated dual-purpose fan and an electric and pedal dual-purpose fan, and the fans are fixed on a bottom plate or a support;
the pipeline in front of the manual-electric closed valve II is an airtight air pipe formed by welding steel plates with the thickness not less than 3mm, and the pipeline behind the manual-electric closed valve II is an air pipe made of common galvanized steel plates.
The invention has the beneficial effects that:
1. the air inlet system has high automation degree, various electromechanical devices are quickly opened and closed, the logic setting is simple and easy to operate, and the whole system has high reliability and safety.
2. The air purifying and ventilating function of the invention can avoid the long-time accumulation of polluted air and the harm to the life health of personnel.
3. The invention has high monitoring precision of various sensors, does not depend on manpower, reduces the cost of manpower and equipment, and improves the accuracy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic view of a civil air defense engineering air inlet system provided by the invention;
fig. 2 is a schematic circuit control structure diagram of a civil air defense engineering air inlet system according to the present invention.
In the figure: the device comprises a filter absorber 1, a manual and electric dual-purpose fan 2, an electric control box 3, an air inlet pipe 4, a main ventilation pipe 5, a manual and electric sealing valve I6, a manual and electric sealing valve II 7, a scavenging pipe 8, a manual and electric sealing valve III 9, a manual and electric sealing valve IV 10, an air outlet branch pipe 11, an air inlet auxiliary pipe 12, a manual and electric sealing valve V13, a manual and electric sealing valve VI 14, an air outlet pipe 15, a manual and electric sealing valve VII, a radioactivity monitoring sensor 17, an air pressure sensor 18, a tail gas detection sensor 19, a four-prevention lamp 20, a coarse filter 21 and wave-absorbing equipment 22.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
A control method of a civil air defense engineering air inlet system is disclosed, as shown in figure 1 and figure 2, the air inlet system is divided into a poison filtering room, a wartime air inlet fan room and a chemical defense communication duty room according to regions; a filtering absorber 1 is arranged in the toxin filtering chamber; a manpower and electric dual-purpose fan 2 is arranged in the wartime fan inlet room; an electrical control box 3 is arranged in the chemical defense communication duty room;
the air inlet section of the toxin filtering chamber is provided with a pre-filtering chamber and a dust removing chamber, the toxin filtering chamber is communicated with the pre-filtering chamber and the dust removing chamber through the front end of an air inlet pipe 4, a main ventilating pipe 5 is also installed in the wartime air inlet fan room, the rear end of the air inlet pipe 4 penetrates through the toxin filtering chamber and then is communicated with the main ventilating pipe 5 of the wartime air inlet fan room, and the main ventilating pipe 5 is provided with a manual and electric closed valve component for controlling the on-off of the main ventilating pipe 5 and the air inlet pipe 4;
the air inlet end of the filter absorber 1 is communicated with the air inlet pipe 4 through the air exchange pipe 8; the air exchange tube 8 adopts a three-way structure, a tube orifice I of the air exchange tube 8 is communicated with the air inlet tube 4 through a manual and electric closed valve III 9, a tube orifice II is communicated with the filter absorber 1, and a manual and electric closed valve IV 10 is installed on the tube orifice III to serve as a plug;
an air outlet branch pipe 11 is connected with an air outlet end of the filter absorber 1, and an air inlet auxiliary pipe 12 is arranged in the wartime air inlet fan room and communicated with the air outlet branch pipe; the air outlet branch pipe 11 passes through the toxin filtering chamber and is communicated with an air inlet auxiliary pipe 12 of a wartime air inlet fan room; the auxiliary air inlet pipe 12 is connected with the main ventilation pipe 5 through a manual and electric closed valve five 13; the terminal of the main ventilation pipe 5 of the fan house penetrates through the wall of the fan house and then is connected into the civil air defense project, and meanwhile, a manual and electric closed valve VI 14 is arranged on the inner side of the wall;
the manual and electric closed valve component comprises a manual and electric closed valve I6 and a manual and electric closed valve II 7, the manual and electric closed valve I6 and the manual and electric closed valve II 7 are respectively positioned in the toxin filtering room and the wartime fan inlet room, and the manual and electric closed valve I6 and the manual and electric closed valve II 7 are arranged in series;
the air inlet end of a manpower and electric dual-purpose fan 2 of the wartime air inlet fan room is communicated with a main ventilation pipe 5 through a pipeline; an air outlet pipe 15 is also arranged in the wartime fan inlet room, and the air outlet end of the manpower and electric dual-purpose fan 2 is communicated with the air outlet pipe 15; one end of an air outlet pipe 15 of the wartime air inlet fan room penetrates through the wall of the wartime air inlet fan room and then is connected into the interior of the civil air defense project;
the power supply port of an electrical control box 3 of the chemical defense communication duty room is respectively connected with the manual and electric dual-purpose fan 2 and each manual and electric closed valve, and the control signal output end of the electrical control box 3 is respectively connected with the manual and electric dual-purpose fan 2 and the actuator of each manual and electric closed valve through a control cable.
In order to improve safety, as shown in fig. 1, the front end of the air inlet pipe 4 is connected with a wave-absorbing device 22, the wave-absorbing device 22 is connected with a coarse filter 21 through a front end pipeline, air pressure sensors 18 are arranged on the front side and the rear side of the wave-absorbing device 22, the air pressure sensors 18 are respectively located in the air inlet pipe 4 and the front end pipeline, a radioactivity monitoring sensor 17 is further arranged in the front end pipeline, the radioactivity monitoring sensor 17 is located between the coarse filter 21 and the air pressure sensor 18, a tail gas detection sensor 19 is arranged in the air outlet branch pipe 11, and a control signal input end of the electrical control box 3 is electrically connected with the radioactivity monitoring sensor 17, the air pressure sensor 18 and the tail gas detection sensor 19.
In order to reliably control the air inlet system; when civil air defense engineering is damaged by war and is in a power supply interruption working condition, the air inlet system only realizes two ventilation modes of clean ventilation and isolated ventilation; if the project is not attacked by nuclear weapons, chemical weapons and biological weapons, clean ventilation is adopted; specifically, the cleaning ventilation mode under the condition comprises the following steps:
s1: manually operating a first manual/electric closed valve 6, a second manual/electric closed valve 7 and a sixth manual/electric closed valve 14 to be in an opening state;
s2: manually operating the rest manual and electric closed valves to be in a closed state;
s3: the manpower-driven manpower-electric dual-purpose fan 2 is used for conveying clean air outside a project to the interior of a civil defense project through an air inlet pipe 4 of a poison filtering chamber and a main ventilation pipe 5 of a wartime air inlet fan room;
when the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, an isolated ventilation mode must be adopted when the power supply of the engineering is interrupted; specifically, the isolated ventilation mode under such conditions comprises the steps of:
s11: the manual and electric closed valve VI 14 is opened;
s12: manually operating the rest manual and electric closed valves to a closed state;
s13: the manpower-driven manpower-electric dual-purpose fan 2 conveys air in the engineering to the interior of a civil defense engineering through the internal circulation of a main ventilation pipe 5 of a war-time air inlet fan room and an air outlet pipe 15 of the fan room.
For more reliable control; when the civil air defense engineering is in a power supply working condition, the air inlet system has two modes of manual control and automatic control, when the civil air defense engineering is in the two control modes, the electric control box 3 controls the manual and electric dual-purpose fan 2 and the manual and electric airtight valve to be started, all the manual and electric airtight valves are in an initial closed state, and the manual and electric dual-purpose fan 2 is in a shutdown state; the control method specifically comprises the following steps: selecting an operation mode of the air inlet system according to an operation mode selection switch of the electric control box, wherein the operation mode comprises a manual control mode and an automatic control mode; when the operation mode is the manual control mode, the air inlet system realizes four ventilation modes of clean ventilation, toxin filtering ventilation, isolation ventilation and purification ventilation.
When the civil air defense engineering is not attacked by nuclear weapons, chemical weapons and biological weapons, clean ventilation is adopted; specifically, the cleaning ventilation mode under the condition comprises the following steps:
s21: the electric control box 3 controls the manual and electric closed valve I6, the manual and electric closed valve II 7 and the manual and electric closed valve II 14 to be in an opening state, and the other manual and electric closed valves are in a closing state;
s22: and (3) starting the manual and electric dual-purpose fan 2, and conveying clean air outside the project to the interior of the civil defense project through an air inlet pipe 4 of the poison filtering chamber and a main ventilation pipe 5 of the wartime air inlet fan room.
When the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, the toxic filtering and ventilation are adopted; specifically, the method for filtering poison and ventilating under the condition comprises the following steps:
s31: the electric control box 3 controls the manual and electric closed valves III 9, the manual and electric closed valves V13 and the manual and electric closed valves VI 14 to be in an opening state, and the other manual and electric closed valves are in a closing state;
s32: and starting the manual and electric dual-purpose fan 2, and conveying clean air outside the engineering to the interior of the civil defense engineering through an air inlet pipe 4, a ventilation pipe 8, a filter absorber 1, an air outlet branch pipe 11, an air inlet auxiliary pipe 12 of a wartime air inlet machine room and a main ventilation pipe 5 of the wartime air inlet machine room of the poison filtering chamber.
In the poison filtering ventilation engineering, when the amount of radioactive dust and chemical agent biological warfare agent in the air after passing through the filter absorber 1 is found to exceed an allowable value or the ventilation resistance of the filter absorber 1 is too large or too small, the process is immediately switched to isolation ventilation, and after the reason is found and properly treated, the process is switched to poison filtering ventilation; specifically, the ventilation mode under the condition comprises the following steps:
s41: the electric control box 3 controls the manual and electric closed valves six 14 to be in an opening state, and switches the rest manual and electric closed valves to be in a closing state;
s42: and (3) starting the manpower and electric dual-purpose fan 2, and circularly conveying the air in the engineering to the interior of the civil defense engineering through the main ventilation pipe 5 of the war-time air inlet fan room and the air outlet pipe 15 of the fan room.
A manual and electric closed valve seven 16 is arranged in the toxin filtering chamber and used for communicating the toxin filtering chamber with the interior of the civil air defense project;
the purification and ventilation state is that the filtration absorber 1 has service life requirement, when the engineering adopts the toxin filtration ventilation for a long time, the filtration efficiency of the filtration absorber 1 is greatly shortened, and the filtration absorber must be removed and replaced in time; specifically, after the filter absorber 1 is replaced, the electric control box 3 controls the manual and electric sealing valves four 10, five 13, six 14 and seven 16 to be opened, the other manual and electric sealing valves are kept closed, the manual and electric dual-purpose fan 2 is opened, and air polluted in the toxicity filtering room is conveyed to the interior of the civil defense project through the ventilation pipe 8, the filter absorber 1, the air outlet branch pipe 11, the wartime air inlet auxiliary pipe 12 and the wartime air inlet main ventilation pipe 5 of the wartime air inlet fan room.
When the operation mode is the automatic control mode, the air inlet system can realize three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation;
the radioactivity monitoring sensor 17, the air pressure sensor 18 and the tail gas detection sensor 19 monitor the air quality and pressure inside and outside the project in real time, signals are transmitted to the electric control box 3, the electric control box 3 processes the received signals, and the manual and electric dual-purpose fan 2 and the manual and electric closed valve are correspondingly controlled to work according to the air quality and pressure states; the specific working steps are the same as the actions of a manual control mode;
the electric control box 3 is provided with an interface for connecting a control line to be connected with a four-prevention lamp 20, four functional states in an automatic control mode can be displayed on the four-prevention lamp 20, the four-prevention lamp respectively displays different ventilation states by using four different colors, wherein red represents isolated ventilation, green represents clean ventilation, yellow represents toxicity filtering ventilation and white represents purification ventilation.
The manpower and electric dual-purpose fan 2 preferably adopts an electric and hand-operated dual-purpose fan and an electric and foot-operated dual-purpose fan, and the fans are fixed on a bottom plate or a support;
the pipeline in front of the manual and electric closed valve II 7 is an airtight air pipe formed by welding steel plates with the thickness not less than 3mm, and the pipeline behind the manual and electric closed valve II is an air pipe made of common galvanized steel plates.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A control method of a civil air defense engineering air inlet system is characterized in that the air inlet system is divided into a poison filtering room, a wartime air inlet fan room and a chemical defense communication duty room according to regions; a filtering absorber (1) is arranged in the toxin filtering chamber; a manpower and electric dual-purpose fan (2) is arranged in the wartime fan inlet room; an electrical control box (3) is arranged in the chemical defense communication duty room;
the air inlet section of the toxin filtering chamber is provided with a pre-filtering chamber and a dust removing chamber, the toxin filtering chamber is communicated with the pre-filtering chamber and the dust removing chamber through the front end of an air inlet pipe (4), a main ventilating pipe (5) is further installed in the wartime air inlet fan room, the rear end of the air inlet pipe (4) penetrates through the toxin filtering chamber and then is communicated with the main ventilating pipe (5) of the wartime air inlet fan room, and the main ventilating pipe (5) is provided with a manual-electric closed valve component for controlling the connection and disconnection of the main ventilating pipe (5) and the air inlet pipe (4);
the air inlet end of the filter absorber (1) is communicated with the air inlet pipe (4) through a ventilation pipe (8); the air exchange pipe (8) adopts a three-way structure, a first pipe orifice of the air exchange pipe (8) is communicated with the air inlet pipe (4) through a third manual and electric closed valve (9), a second pipe orifice is communicated with the filter absorber (1), and a fourth manual and electric closed valve (10) is installed on the third pipe orifice and serves as a plug;
an air outlet branch pipe (11) is connected with an air outlet end of the filter absorber (1), and an air inlet auxiliary pipe (12) is arranged in the wartime air inlet fan room and communicated with the air outlet branch pipe; the air outlet branch pipe (11) penetrates through the toxin filtering chamber and is communicated with an air inlet auxiliary pipe (12) of the wartime air inlet fan room; the air inlet auxiliary pipe (12) is connected with the main ventilation pipe (5) through a manual and electric closed valve five (13); the terminal of the main ventilation pipe (5) of the fan house penetrates through the wall of the fan house and then is connected into the civil air defense project, and meanwhile, a manual and electric closed valve six (14) is arranged on the inner side of the wall.
2. The control method for the air inlet system of the civil air defense project as claimed in claim 1, wherein the manual and electric closed valve component comprises a manual and electric closed valve I (6) and a manual and electric closed valve II (7), the manual and electric closed valve I (6) and the manual and electric closed valve II (7) are respectively positioned in the poison filtering room and the wartime air inlet room, and the manual and electric closed valve I (6) and the manual and electric closed valve II (7) are arranged in series.
3. The control method for the civil air defense engineering air inlet system according to claim 2, characterized in that the air inlet end of the manpower and electric dual-purpose fan (2) of the wartime air inlet fan room is communicated with the main ventilation pipe (5) through a pipeline; an air outlet pipe (15) is also arranged in the wartime air inlet fan room, and the air outlet end of the manpower and electric dual-purpose fan (2) is communicated with the air outlet pipe (15); one end of an air outlet pipe (15) of the wartime air inlet fan room penetrates through the wall of the wartime air inlet fan room and then is connected into the interior of the civil air defense project.
4. The control method for the civil air defense engineering air inlet system according to claim 3, wherein a power port of an electrical control box (3) of the chemical defense communication duty room is respectively connected with the manual and electric dual-purpose fan (2) and each manual and electric closed valve, and a control signal output end of the electrical control box (3) is respectively connected with the manual and electric dual-purpose fan (2) and an actuator of each manual and electric closed valve through a control cable.
5. The control method of the air inlet system of the civil air defense engineering according to claim 4, characterized in that a wave absorbing device (22) is connected to the front end of the air inlet pipe (4), the wave absorbing device (22) is connected with a coarse filter (21) through a front end pipeline, air pressure sensors (18) are arranged on the front side and the rear side of the wave absorbing device (22), the air pressure sensors (18) are respectively arranged in the air inlet pipe (4) and the front end pipeline, a radioactivity monitoring sensor (17) is further arranged in the front end pipeline, the radioactivity monitoring sensor (17) is arranged between the coarse filter (21) and the air pressure sensor (18), a tail gas detection sensor (19) is arranged in the air outlet branch pipe (11), and a control signal input end of the electric control box (3) is electrically connected with the radioactivity monitoring sensor (17), the air pressure sensor (18) and the tail gas detection sensor (19).
6. The control method of the air inlet system of the civil air defense project is characterized in that when the civil air defense project is damaged by war and is in a power supply interruption condition, the air inlet system only realizes two ventilation modes of clean ventilation and isolated ventilation; if the project is not attacked by nuclear weapons, chemical weapons and biological weapons, clean ventilation is adopted; specifically, the cleaning ventilation mode under the condition comprises the following steps:
s1: manually operating a first manual/electric closed valve (6), a second manual/electric closed valve (7) and a sixth manual/electric closed valve (14) to an open state;
s2: manually operating the rest manual and electric closed valves to be in a closed state;
s3: the manpower-driven manpower-electric dual-purpose fan (2) conveys clean air outside the project to the interior of the civil defense project through an air inlet pipe (4) of a toxin filtering room and a main ventilating pipe (5) of a wartime air inlet fan room;
when the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, an isolated ventilation mode must be adopted when the engineering is powered off; specifically, the isolated ventilation mode under such conditions comprises the steps of:
s11: the manual and electric closed valve six (14) is opened;
s12: manually operating the rest manual and electric closed valves to be in a closed state;
s13: the manpower-driven manpower-electric dual-purpose fan (2) conveys air in the engineering to the interior of a civil defense engineering through the internal circulation of a main ventilation pipe (5) of a wartime air inlet fan room and an air outlet pipe (15) of the fan room.
7. The control method of the air inlet system of the civil air defense project according to claim 6, characterized in that when the civil air defense project is in a power supply working condition, the air inlet system has two modes of manual control and automatic control, when the civil air defense project is in the two control modes, the electric control box (3) controls the manual and electric dual-purpose fan (2) and the manual and electric sealing valve to be started, all the manual and electric sealing valves are in an initial closing state, and the initial state of the manual and electric dual-purpose fan (2) is in a stopping state; the control method specifically comprises the following steps: selecting an operation mode of the air inlet system according to an operation mode selection switch of the electric control box, wherein the operation mode comprises a manual control mode and an automatic control mode; when the operation mode is the manual control mode, the air inlet system realizes four ventilation modes of clean ventilation, toxin filtering ventilation, isolation ventilation and purification ventilation.
8. The control method of the air inlet system of the civil air defense project is characterized in that clean ventilation is adopted when the civil air defense project is not attacked by nuclear weapons, chemical weapons and biological weapons; specifically, the cleaning ventilation mode under such conditions includes the steps of:
s21: the electric control box (3) controls the manual and electric closed valve I (6), the manual and electric closed valve II (7) and the manual and electric closed valve VI (14) to be in an opening state, and the other manual and electric closed valves are kept in a closing state;
s22: starting a manual and electric dual-purpose fan (2), and conveying clean air outside the project to the interior of the civil defense project through an air inlet pipe (4) of a poison filtering chamber and a main ventilation pipe (5) of a wartime air inlet fan room;
when the civil air defense engineering receives the attack alarm of nuclear weapons, chemical weapons and biological weapons, the toxic filtering and ventilation are adopted; specifically, the method for filtering poison and ventilating under the condition comprises the following steps:
s31: the electric control box (3) controls the manual and electric closed valves III (9), the manual and electric closed valves V (13) and the manual and electric closed valves VI (14) to be in an opening state, and the other manual and electric closed valves are kept in a closing state;
s32: and (3) starting the manpower and electric dual-purpose fan (2), and conveying clean air outside the project to the interior of the civil defense project through an air inlet pipe (4) of the toxin filtering room, a ventilation pipe (8), a filter absorber (1), an air outlet branch pipe (11), an air inlet auxiliary pipe (12) of the war time air inlet fan room and a main ventilation pipe (5) of the war time air inlet fan room.
9. The control method of air intake system in civil air defense construction as claimed in claim 8, wherein in the filtration ventilation engineering, when the amount of radioactive dust and chemical agent and biological agent in the air after passing through the filter absorber (1) is found to exceed the allowable value or the ventilation resistance of the filter absorber (1) is too large or too small, the process is immediately switched to isolation ventilation, and after the reason is found and properly treated, the process is switched to filtration ventilation; specifically, the ventilation mode under the condition comprises the following steps:
s41: the electric control box (3) controls the manual and electric closed valves six (14) to be in an opening state, and switches the other manual and electric closed valves to be in a closing state;
s42: starting a manual and electric dual-purpose fan (2), and circularly conveying air in the engineering to the interior of the civil defense engineering through a main ventilation pipe (5) of a wartime air inlet fan room and an air outlet pipe (15) of the fan room;
a manual and electric closed valve seventh (16) is arranged in the toxin filtering chamber and used for communicating the toxin filtering chamber with the interior of the civil air defense project;
the air purifying and changing state is characterized in that after the filtering absorber (1) is detached, the electric control box (3) controls and installs a manual and electric airtight valve four (10), a manual and electric airtight valve five (13), a manual and electric airtight valve six (14) and a manual and electric airtight valve seven (16) to be in an opening state, the rest manual and electric airtight valves maintain a closing state, meanwhile, the manual and electric dual-purpose fan (2) is started, and air polluted in the filtering poison room is conveyed to the interior of the civil air defense project through the ventilation pipe (8), the filtering absorber (1), the air outlet branch pipe (11), the air inlet auxiliary pipe (12) of the air inlet room in wartime and the main ventilation pipe (5) of the air inlet room in wartime.
10. The control method of the air inlet system of the civil air defense project according to claim 9, characterized in that when the operation mode is the automatic control mode, the air inlet system can realize three ventilation modes of clean ventilation, poison filtering ventilation and isolation ventilation;
the radioactivity monitoring sensor (17), the air pressure sensor (18) and the tail gas detection sensor (19) monitor the air quality and pressure inside and outside the engineering in real time, signals are transmitted to the electric control box (3), the electric control box (3) processes the received signals, and the manual and electric dual-purpose fan (2) and the manual and electric closed valve are correspondingly controlled to work according to the air quality and pressure states; the specific working steps are the same as the actions of a manual control mode;
the electric control box (3) is provided with an interface for connecting a control line to be connected with a four-prevention lamp (20), four functional states in an automatic control mode can be displayed on the four-prevention lamp (20), the four-prevention lamp respectively displays different ventilation states by using four different colors, wherein red represents isolated ventilation, green represents clean ventilation, yellow represents toxicity filtering ventilation and white represents purification ventilation;
the manual and electric dual-purpose fan (2) adopts an electric and manual dual-purpose fan and an electric and pedal dual-purpose fan, and the fans are fixed on a bottom plate or a support;
and the pipeline in front of the manual-electric closed valve II (7) is an airtight air pipe formed by welding steel plates with the thickness not less than 3mm, and the pipeline behind the manual-electric closed valve II is an air pipe made of common galvanized steel plates.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117628682A (en) * | 2024-01-09 | 2024-03-01 | 安徽中防科技有限公司 | Remote real-time civil air defense ventilation control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117628682A (en) * | 2024-01-09 | 2024-03-01 | 安徽中防科技有限公司 | Remote real-time civil air defense ventilation control system |
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