CN116359441B - Drawer type cabinet for flue gas online monitoring system and application thereof - Google Patents

Drawer type cabinet for flue gas online monitoring system and application thereof Download PDF

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Publication number
CN116359441B
CN116359441B CN202310346379.0A CN202310346379A CN116359441B CN 116359441 B CN116359441 B CN 116359441B CN 202310346379 A CN202310346379 A CN 202310346379A CN 116359441 B CN116359441 B CN 116359441B
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cabinet
fire extinguishing
extinguishing agent
fire
display screen
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CN116359441A (en
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赵恒祥
王春东
孙帅
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Nanjing Hwapon Technology Co ltd
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Nanjing Hwapon Technology Co ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/005Delivery of fire-extinguishing material using nozzles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combustion & Propulsion (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a drawer type cabinet for a flue gas online monitoring system and application thereof, the drawer type cabinet comprises a side door and a front door, the side doors are respectively rotatably arranged on two sides of the cabinet, the front door is positioned on the front end face of the cabinet, a top plate is arranged at the top of the cabinet, a flue gas monitor and a system integrated display screen are slidably arranged on the front end face of the cabinet, the system integrated display screen is in data connection with the flue gas monitor, a vent for exhausting gas in the cabinet is arranged on one side of the top plate, a sealing mechanism is arranged at the upper end of the vent, a fire control system for monitoring and disposing fire conditions in the cabinet is arranged on the upper end face and the lower end face of the top plate, and the fire control system transmits the fire monitoring in the cabinet to a background monitoring terminal and displays and broadcasts fire signals through the system integrated display screen. The drawer type cabinet provided by the invention can be used for unfolding the side door and expanding the overhaul space, the drawer type smoke monitor is convenient to maintain and replace, and the fire control system provides guarantee for the safe operation of the cabinet.

Description

Drawer type cabinet for flue gas online monitoring system and application thereof
Technical Field
The invention relates to the technical field of online flue gas monitoring, in particular to a drawer type cabinet for an online flue gas monitoring system and application thereof.
Background
The flue gas online monitoring system (Continuous Emission Monitoring System, english abbreviation is CEMS) is a device for continuously monitoring the concentration and total emission amount of gaseous pollutants and particulate matters discharged by an atmospheric pollution source and transmitting information to a main department in real time, and is called as a flue gas online monitoring system, and the monitoring system is generally arranged in a cabinet. In the technical field of a flue gas online monitoring system, if the application number is 202010848218.8, the publication date is 20201211, the patent name is a flue gas online monitoring system, and if the application number is 201410680252.3, the publication date is 20150311, the patent name is a flue gas online monitoring system, a monitoring method and other patents, research personnel usually concentrate on improving the monitoring precision of the flue gas online monitoring system, influence of a cabinet equipment structure where the monitoring system is located on the operation of the monitoring system is ignored, and the actual use process of the flue gas online monitoring system discovers that the existing cabinet is a single door type, when the monitoring system is subjected to maintenance of gas path maintenance equipment, because the space in the cabinet is narrow, and a personal operation pipeline is often required for maintenance, and another person observes data indexes on a display, so that the maintenance work of the flue gas online monitoring system in the cabinet is seriously influenced; in addition, the smoke monitor installed in the cabinet is usually fixedly installed with the cabinet, and when the smoke monitor fails, the smoke monitor needs to be detached for maintenance, so that the normal development of monitoring work is affected; in addition, in the flue gas detection in some chemical fields, the flue gas is not excluded from being doped with a certain combustible gas and is introduced into the cabinet, and because the electronic equipment is arranged in the cabinet, great test is brought to the fire prevention of the cabinet.
Aiming at some problems faced by the flue gas online monitoring system during use, a drawer type cabinet for the flue gas online monitoring system and application thereof are designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the space in a cabinet of a flue gas online monitoring system is narrow, the maintenance and repair of the system are not facilitated, the disassembly and repair of a flue gas detector are inconvenient, the monitoring work is influenced, a cabinet fireproof control mechanism is not available, and the like.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A drawer type rack for flue gas on-line monitoring system, drawer type rack is inside to be sealed space, and drawer type rack includes side door and qianmen, the side door rotates respectively and installs in the both sides of rack, the qianmen is located the preceding terminal surface of rack, is provided with the roof at the top of rack, the fire detector is installed to the roof, all fixedly is provided with the mounting bar in the both sides of terminal surface before the rack, install the slide collet on the mounting bar and can follow the slide rail that perpendicular to mounting bar axis direction removed, slide and be provided with the flue gas monitor on the slide collet, slide and be provided with the slide on the slide rail, the slide rotates through rotary mechanism and is connected with system integrated display screen, system integrated display screen establishes data connection with the flue gas monitor for receive, store and statistics flue gas monitor's monitoring data, and through the communication terminal that establishes in the system integrated display screen monitor data transmission to the backstage monitor terminal the roof one side of roof is offered and is used for with the interior gas exhaust vent, the vent upper end is provided with sealing mechanism, up end face and lower terminal surface install and be used for setting up the monitor system of fire detector, monitor system and fire monitor display system and fire monitor display terminal, set up the fire monitor system.
Further preferably, the flue gas monitor is a drawer type monitor, pull handles are installed on two sides of the front end of the flue gas monitor, an embedded end connected with an external conveying air pipe, communication and power supply is arranged on the rear end face of the flue gas monitor, and after the flue gas monitor is pushed into a cabinet through the sliding bottom support, the embedded end is in butt joint communication with a receiving port connected with the external conveying air pipe, communication and power supply.
Further preferably, the fire control system comprises a fire extinguishing agent storage tank, a connecting pipe, an electromagnetic valve, a fire extinguishing agent conveying pipe, spray heads and a fire extinguishing agent detector, wherein the fire extinguishing agent storage tank is placed on the upper surface of the top plate, the tank body output end of the fire extinguishing agent storage tank is communicated with the fire extinguishing agent conveying pipe through the connecting pipe, a penetrating pipe penetrating through the top plate is arranged between the fire extinguishing agent conveying pipe and the connecting pipe, one end of the penetrating pipe is connected with the connecting pipe, the other end of the penetrating pipe is connected with the fire extinguishing agent conveying pipe, the electromagnetic valve for controlling the opening and closing of a pipeline is arranged on the penetrating pipe, the electromagnetic valve and the fire extinguishing agent detector are connected with the system integrated display screen in a control mode, the fire extinguishing agent conveying pipe is arranged on the lower end face of the top plate in a plurality of branches and fixed on the top plate through a hanging rod, the spray heads for spraying the fire extinguishing agent are arranged at the end heads of the two branches in a penetrating mode through the mounting strip, and a plurality of spray heads for spraying the fire extinguishing agent are uniformly arranged on the path of the pipe wall of the fire extinguishing agent conveying pipe.
Further preferably, the system integrated display screen is a visual touch screen device integrating the functions of receiving, processing, storing and monitoring and controlling the system state of the monitoring data, a mounting support is arranged on the rear end face of the system integrated display screen, the mounting support is connected with the rotating mechanism, a rotating handheld part is arranged at the upper end of the mounting support, and the screen orientation of the system integrated display screen is regulated through the rotating mechanism.
Further preferably, the vent is provided with a seal groove, the cross section of the seal groove is of a U-shaped structure, a sliding part is arranged along the inner side edge of the seal groove, the seal mechanism comprises a seal plate, a drive rack, a drive motor, a drive gear, a rotary connecting rod and a bearing base, the longitudinal section of the seal plate is in an L shape, the seal plate is slidably arranged at the upper end of the sliding part, the contact part of the seal plate and the seal groove is of a seal structure, the two sides of the upper end face of the seal plate are both provided with the drive racks, the two drive racks are both meshed with the drive gear, the drive gears are connected through the rotary connecting rod, the two ends of the rotary connecting rod are both provided with the bearing base, the bearing base is fixed on the upper end face of the top plate, one end of the rotary connecting rod is fixedly connected with the output end of the drive motor, and the drive motor is connected with the system integrated display screen in a signal control mode.
Further preferably, the fire extinguishing agent storage tank is provided with a filling end for replenishing the fire extinguishing agent, the fire extinguishing agent stored in the fire extinguishing agent storage tank is carbon dioxide, and the connecting pipe is a flexible hose.
Further preferably, a limit hoop is fixedly arranged on the top plate, the limit hoop is of a cylindrical collar structure consisting of two semicircular curved plates with cross sections, a rotating shaft is arranged on one side of the limit hoop, a fixing buckle is arranged on the other side of the limit hoop, and the fire extinguishing agent storage tank is placed in the limit hoop.
Further preferably, a heat tracing pipe receiving end is arranged at the top corner of one side of the top plate, and the front door is a visual door provided with transparent toughened glass.
Further preferably, the fire detector comprises a temperature and humidity sensor, a smoke sensor and an infrared beam catcher, a power control module, a condenser, a smoke filter, a sampling pump and a temperature and pressure flow meter for detecting the temperature, the pressure and the flow rate of smoke are further arranged in the cabinet, and the smoke monitor comprises a nitrogen oxide detector, a carbon oxide detector, a sulfur dioxide detector and a gas chromatograph.
An application of a drawer type cabinet for a flue gas online monitoring system, which is applied to an application scene of the drawer type cabinet of the flue gas online monitoring system, comprises the following contents:
a. the drawer type cabinet is transported to an installation site, all monitoring equipment is installed in place according to the installation specification of the flue gas online monitoring system, after the operation monitoring performance of the online monitoring system is debugged to meet the use requirement, the side door and the front door of the cabinet are closed, and the online monitoring system starts to be put into use;
b. during the operation of the on-line monitoring system, if the system equipment needs routine maintenance or repair, the sliding plate is pulled to the inner side of the cabinet along the sliding rail by opening the side door and the front door, the system integrated display screen is driven to move to the inner side of the cabinet, after the constraint of the installation strip at the front end of the cabinet is avoided, the rotating handheld part on the installation support is rotated, the screen of the system integrated display screen faces to the inner side of the cabinet by the rotating mechanism, and the maintenance personnel inspects the detection data displayed by the system integrated display screen at the same time of maintenance, so that the failure cause is judged;
c. If the smoke monitor is judged to be damaged by faults, the smoke monitor is separated from the cabinet by directly pulling the pull handle, the rear end face of the smoke monitor is provided with an embedded end connected with an external conveying air pipe, a communication end and a power supply, after the embedded end is separated from a receiving port connected with the external conveying air pipe, the communication end and the power supply, the new standby smoke monitor with corresponding types is replaced, the new smoke monitor is pushed into the cabinet along the sliding collet, and then the embedded end is in butt joint communication with the receiving port connected with the external conveying air pipe, the communication end and the power supply, so that the smoke monitor is put into use after being connected with the external conveying air pipe, the communication end and the power supply again, and finally the smoke monitor with the damaged faults is repaired, the repaired smoke monitor is placed near the cabinet for standby, and a fault record ledger is made;
d. If the on-line monitoring system is in operation, fire condition occurs in the cabinet, fire condition signals are timely monitored through the fire detector on the top plate, and the fire condition signals are fed back to the system integrated display screen, the system integrated display screen starts the fire control system after receiving the feedback, the electromagnetic valve of the fire control system is opened, fire extinguishing agent in the fire extinguishing agent storage tank is sprayed through the spray head, the density of the carbon dioxide fire extinguishing agent is greater than that of air, the sprayed carbon dioxide fire extinguishing agent covers the space of the cabinet from top to bottom, air in the cabinet flows upwards and is discharged out of the cabinet through the ventilation opening on the top plate, when the fire extinguishing agent detector on the top plate monitors the fire extinguishing agent, the condition that the cabinet is filled with the carbon dioxide fire extinguishing agent is explained, and the system integrated display screen controls the sealing mechanism to close the ventilation opening, so that fire extinguishing operation is completed.
Compared with the prior art, the invention has the beneficial effects that: the drawer type cabinet for the flue gas online monitoring system is different from the traditional single-door cabinet, the two sides of the drawer type cabinet are provided with the open side doors, when the gas circuit overhaul equipment of the monitoring system is maintained, the overhaul space is expanded by opening the side doors, and the display surface of the integrated display screen of the system for displaying monitoring data information is turned to an maintainer, so that the data index on the display screen can be observed while being overhauled, thereby rapidly diagnosing faults, optimizing an overhaul process and improving the working efficiency; in addition, when in maintenance, the smoke monitor provided by the invention is in a drawer type installation mode, so that the smoke monitor can be plug and play, after the fault of the smoke monitor is diagnosed, the faulty smoke monitor is directly extracted and repaired, the smoke monitor with the same type is replaced, the influence on the monitoring operation of the system is reduced, and the equipment maintenance mechanism is perfected; in the aspect of fire early warning control processing when the drawer type cabinet is lifted, the fire detection and fire extinguishing operation in the cabinet is automatically completed by arranging the fire control system, the sealing mechanism, the smoke monitor and the fire detector, so that an unattended fire prevention and disaster reduction mode is realized, and the safety management of on-line monitoring of the smoke in a factory is greatly promoted and optimized.
Drawings
FIG. 1 is a schematic diagram of a drawer type cabinet for an on-line flue gas monitoring system according to the present invention;
fig. 2 is a schematic diagram of a drawer type cabinet maintenance state structure for an online flue gas monitoring system according to the present invention;
FIG. 3 is a schematic view of the fire extinguishing agent conveying pipe installation arrangement of a fire control system for a drawer type cabinet of an on-line flue gas monitoring system according to the present invention;
FIG. 4 is a schematic diagram of an installation structure of a system integrated display screen of a drawer type cabinet for an on-line flue gas monitoring system according to the present invention;
Fig. 5 is a schematic diagram of an installation structure of a smoke monitor for a drawer type cabinet of a smoke on-line monitoring system according to the present invention;
Fig. 6 is a schematic diagram of an installation structure of a sealing mechanism of a drawer type cabinet for an online flue gas monitoring system according to the present invention.
The reference numerals in the drawings: 11. a side door; 12. a front door; 13. a top plate; 131. a vent; 132. sealing the groove; 133. a sliding part; 14. a smoke monitor; 141. a sliding shoe; 142. a pull handle; 143. a receiving port; 15. a system integrated display screen; 151. a mounting bracket; 152. a rotating mechanism; 153. a slide plate; 154. a slide rail; 155. rotating the hand-held portion; 16. a sealing mechanism; 161. a sealing plate; 162. a drive rack; 163. a driving motor; 164. a drive gear; 165. rotating the connecting rod; 166. a bearing base; 17. a fire control system; 171. a fire extinguishing agent storage tank; 172. a charge end; 173. the output end of the tank body; 174. a connecting pipe; 175. a through pipe; 176. an electromagnetic valve; 177. a fire extinguishing agent transporting pipe; 178. a spray head; 179. a fire suppressant detector; 18. a mounting bar; 19. a heat trace pipe receiving end; 20. a limiting hoop; 21. a fixing buckle; 22. a boom; 23. a fire detector.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples
According to the drawer type cabinet for the smoke on-line monitoring system, as shown in fig. 1 and 3, the drawer type cabinet comprises the side doors 11 and the front door 12, the side doors 11 are respectively installed on two sides of the cabinet in a rotating mode, the front door 12 is located on the front end face of the cabinet, the top of the cabinet is provided with the top plate 13, one side top angle of the top plate 13 is provided with the heat tracing pipe receiving end 19, corresponding monitoring equipment can be installed on the inner side surface of the side door 11 according to the setting requirement, the front door 12 is a visual door provided with transparent toughened glass, monitoring data in the cabinet are conveniently observed outside the cabinet to display operation conditions, the top plate 13 is provided with the fire detector 23, the fire detector 23 is used for monitoring fire conditions in the cabinet, the fire detector comprises a temperature and humidity sensor, a smoke sensor and an infrared beam catcher used for capturing flames, a vent 131 used for discharging gas in the cabinet is formed in one side of the top plate 13, the vent 131 is provided with the sealing mechanism 16, the inside of the drawer type cabinet is provided with the sealing space through the side doors 11 and the front door 12 and the sealing mechanism 16 on the vent, the upper end face and the lower end face of the top plate 13 are placed in the cabinet to be used for monitoring the fire system 17.
The fire control system 17 comprises a fire extinguishing agent storage tank 171, a connecting pipe 174, an electromagnetic valve 176, a fire extinguishing agent conveying pipe 177, a spray head 178 and a fire extinguishing agent detector 179, wherein the fire extinguishing agent storage tank 171 is placed on the upper surface of the top plate 13, a tank body output end 173 of the fire extinguishing agent storage tank 171 is communicated with the fire extinguishing agent conveying pipe 177 through the connecting pipe 174, the connecting pipe 174 can be provided with a flexible hose for convenient use, a penetrating pipe 175 penetrating through the top plate 13 is arranged between the fire extinguishing agent conveying pipe 177 and the connecting pipe 174, one end of the penetrating pipe 175 is connected with the connecting pipe 174, the other end of the penetrating pipe 175 is connected with the fire extinguishing agent conveying pipe 177, in addition, the penetrating pipe 175 is provided with the electromagnetic valve 176 for controlling the opening and closing of a pipeline, the electromagnetic valve 176 and the fire extinguishing agent detector 179 are connected with the system integrated display screen 15, the fire extinguishing agent conveying pipe 177 is arranged on the lower end face of the top plate 13 in a plurality of branches, and is fixed on the top plate 13 through a hanging rod 22, the ends of the fire extinguishing agent conveying pipe 177 penetrate through the mounting bars 18, spray heads for spraying agent are arranged at the ends of the two branches, and the spray heads for spraying agent are arranged at the ends of the two branches, as the front ends of the fire extinguishing agent conveying pipe 177 are arranged in the places, and the front end of the fire extinguishing agent conveying pipe is evenly arranged in the front of the monitoring pipe 178, and is located on the front of the pipe wall of the all-shaped pipe and is located on the front of the fire extinguishing pipe and is located on the front and evenly located on the front side of the pipe and is located on the front and is located on the front and the side of the front side of the fire extinguishing pipe.
Be provided with the charge end 172 that is used for supplementing the fire extinguishing agent on the fire extinguishing agent storage jar 171, can directly supply the fire extinguishing agent to the fire extinguishing agent storage jar 171 through charge end 172, in this embodiment, in order to protect the electronic equipment in the rack, the fire extinguishing agent that stores in the fire extinguishing agent storage jar 171 is carbon dioxide, carbon dioxide can play the fire extinguishing effect on the one hand, can not cause the harm to electrical equipment in the rack, on the other hand carbon dioxide's density is greater than the density of air, carbon dioxide is followed the vent 131 discharge at top with the air of rack after sinking from the rack top, be favorable to supplementary acceleration fire extinguishing, block the timely control fire of combustion condition.
As shown in fig. 2, in order to improve the fixing effect on the fire extinguishing agent storage tank 171, and facilitate the convenience of taking, a limiting ferrule 20 is fixedly arranged on the top plate 13, the fire extinguishing agent storage tank 171 is placed in the limiting ferrule 20, the limiting ferrule 20 is a cylindrical collar structure formed by two semicircular curved plates with cross sections, a rotating shaft is arranged on one side of the limiting ferrule 20, a fixing buckle 21 is arranged on the other side of the limiting ferrule, one half of the limiting ferrule 20 can rotate around the rotating shaft, a notch is opened by the limiting ferrule 20, and after the fire extinguishing agent storage tank 171 is placed on the top plate 13 through the notch, the two semicircular structures of the limiting ferrule 20 are enclosed and fixed through the fixing buckle 21.
The two sides of the front end face of the cabinet are fixedly provided with mounting bars 18, the mounting bars 18 are provided with sliding bases 141 and sliding rails 154 which can move along the axis direction perpendicular to the mounting bars 18, the sliding bases 141 are provided with smoke monitors 14 in a sliding manner, the sliding rails 154 are provided with sliding plates 153 in a sliding manner, the part of the sliding plates 153 positioned at the front end of the system integrated display screen 15 can be used as an operation table, the sliding plates 153 are rotationally connected with the system integrated display screen 15 through rotating mechanisms 152, the system integrated display screen 15 is in data connection with the smoke monitors 14 and is used for receiving, storing and counting monitoring data of the smoke monitors 14, the received monitoring data are transmitted to a background monitoring terminal through communication terminals arranged in the system integrated display screen 15, and the fire control system 17 is in communication transmission connection with the fire detectors 23, the system integrated display screen 15 and the background monitoring terminal, and the system integrated display screen 15 is used for transmitting fire alarm monitoring in the cabinet to the background monitoring terminal and displaying and broadcasting fire alarm signals through the system integrated display screen 15.
On the basis of the embodiment, the fire alarm signal alarm can be arranged as a flashing lamp and a buzzer and is arranged at a more obvious position at the top of the cabinet.
As shown in fig. 4, the system integrated display screen 15 is a visual touch screen device integrating the functions of receiving, processing, storing and monitoring and controlling the system state of monitoring data, a mounting bracket 151 is arranged on the rear end face of the system integrated display screen 15, the mounting bracket 151 is connected with the rotating mechanism 152, a rotating handheld part 155 is arranged at the upper end of the mounting bracket 151, the screen orientation of the system integrated display screen 15 is regulated by rotating the rotating mechanism 152, when the equipment in the cabinet is overhauled and maintained, the overhauling space is expanded by opening a side door, the display surface of the system integrated display screen 15 for displaying the monitoring data information is turned to an overhauler, the data index on the display screen can be observed while being overhauled without the cooperative operation of multiple people, the equipment fault can be diagnosed rapidly by a single person, the overhauling process is optimized, and the working efficiency of daily maintenance of the smoke on-line monitoring system is improved.
As shown in fig. 5, the smoke monitor 14 is a drawer type monitor, and as the name suggests, the smoke monitor 14 can be installed in a drawing manner like a drawer, the smoke monitor 14 comprises a nitrogen oxide detector, a carbon oxide detector, a sulfur dioxide detector and a gas chromatograph, pull handles 142 are installed at two sides of the front end of the smoke monitor 14, embedded ends connected with an external conveying air pipe, communication and power supply are arranged on the rear end face of the smoke monitor 14, and after the smoke monitor 14 is pushed into a cabinet through a sliding bottom bracket 141, the embedded ends are in butt joint communication with receiving ports 143 connected with the external conveying air pipe, communication and power supply; when the smoke monitor 14 breaks down and needs to be maintained, as the smoke monitor provided by the invention is in a drawer type installation mode, the smoke monitor can be plug and play, after the fault of the smoke monitor is diagnosed, the faulty smoke monitor 14 is directly pulled out of the sliding base 141, the smoke monitor 14 with the same type and various normal functions is timely replaced, then the faulty smoke monitor 14 is sent to a maintenance part for maintenance, and is sent to the vicinity of a cabinet after the maintenance is finished for standby of the next fault maintenance of the smoke monitor 14.
The cabinet is also provided with a power control module, a condenser, a flue gas filter, a sampling pump and a temperature-pressure flow meter for detecting the temperature, the pressure and the flow rate of flue gas, and since the equipment structures are common equipment in the technical field, the installation between the equipment structures is also easily obtained by a person skilled in the art according to the prior art, and the connection assembly relation between the equipment structures is not described in further detail in the embodiment.
As shown in fig. 6, a seal groove 132 is provided on the vent 131, the cross section of the seal groove 132 is in a "u" shape, a sliding part 133 is provided along the inner side edge of the seal groove 132, the seal mechanism 16 includes a seal plate 161, a drive rack 162, a drive motor 163, a drive gear 164, a rotation link 165 and a bearing base 166, the longitudinal section of the seal plate 161 is in an "L" shape, the seal plate 161 is slidably provided at the upper end of the sliding part 133, the contact part of the seal plate 161 and the seal groove 132 is in a seal structure, the two sides of the upper end surface of the seal plate 161 are provided with the drive racks 162, the two drive racks 162 are engaged with the drive gear 164, the drive gears 164 are connected by the rotation link 165, the two ends of the rotation link 165 are provided with the bearing base 166, the bearing base 166 is fixed on the upper end surface of the top plate 13, one end of the rotation link 165 is fixedly connected with the output end of the drive motor 163, and the drive motor 163 is in signal control connection with the system integrated display 15; the driving motor 163 rotates to drive the driving gear 164 to drive the driving rack 162 to move, so that the sealing plate 161 moves back and forth at the sliding part 133 of the vent 131 to control the opening and closing of the vent 131.
Examples
The embodiment provides an application of a drawer type cabinet for a flue gas online monitoring system based on the first embodiment, and introduces application scenes of several drawer type cabinets in the actual use process of the flue gas online monitoring system, wherein the specific application scenes comprise the following contents:
a. The drawer type cabinet is transported to an installation site, each monitoring device is installed in place according to the installation specification of the flue gas online monitoring system, after the operation monitoring of the online monitoring system is debugged to meet the use requirement, the side door 11 and the front door 12 of the cabinet are closed, the online monitoring system starts to be put into use, and in the use operation process, the ventilation opening 131 at the top of the cabinet top plate 13 is in an open state.
B. During the operation of the on-line monitoring system, if the system equipment needs routine maintenance or repair, the side door 11 and the front door 12 are opened, the sliding plate 153 is pulled towards the inner side of the cabinet along the sliding rail 154, the system integrated display screen 15 is driven to move towards the inner side of the cabinet, the rotation handheld part 155 on the installation support 151 is rotated after the constraint of the installation strip 18 at the front end of the cabinet is avoided, the rotation mechanism 152 is rotated to enable the screen of the system integrated display screen 15 to face towards the inner side of the cabinet, and the maintenance personnel inspects the detection data displayed by the system integrated display screen 15 while maintaining, so that the failure cause is judged.
C. If it is judged that the smoke monitor 14 is damaged due to faults, the smoke monitor 14 is directly separated from the cabinet through the pull handle 142, an embedded end connected with an external conveying air pipe, a communication end and a power supply is arranged on the rear end face of the smoke monitor 14 and separated from a receiving port 143 connected with the external conveying air pipe, the communication end and the power supply, a new standby smoke monitor 14 with a corresponding model is replaced, after the new smoke monitor 14 is pushed into the cabinet along the sliding bottom bracket 141, the embedded end is in butt joint communication with the receiving port 143 connected with the external conveying air pipe, the communication end and the power supply, so that the smoke monitor 14 is connected with the external conveying air pipe, the communication end and the power supply again and is put into use, finally, the smoke monitor 14 with faults and damage is sent for repair, and the maintained smoke monitor 14 is placed near the cabinet for standby after the repair is completed, and a fault record ledger is made.
D. If a fire condition occurs in the cabinet during operation of the on-line monitoring system, the fire condition signal is timely monitored through the fire detector 23 on the top plate 13 and fed back to the system integrated display screen 15, after the system integrated display screen 15 receives the feedback and starts the fire control system 17, the system integrated display screen 15 transmits the fire condition monitoring in the cabinet to the background monitoring terminal, and displays and broadcasts the fire condition signal through the system integrated display screen 15, the electromagnetic valve 176 of the fire control system 17 is opened, the fire extinguishing agent in the fire extinguishing agent storage tank 171 is sprayed through the spray head 178, the density of the carbon dioxide fire extinguishing agent is greater than that of air, the sprayed carbon dioxide fire extinguishing agent covers the space of the cabinet from top to bottom, the air in the cabinet flows upwards and is discharged out of the cabinet through the ventilation opening 131 on the top plate 13, when the fire extinguishing agent detector 179 on the top plate 13 monitors the fire extinguishing agent, the cabinet is full of the carbon dioxide fire extinguishing agent, the system integrated display screen 15 controls the sealing mechanism 16 to close the ventilation opening 131, and fire extinguishing operation is completed.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The drawer type cabinet for the flue gas online monitoring system is characterized in that a sealing space is formed inside the drawer type cabinet, the drawer type cabinet comprises side doors (11) and front doors (12), the side doors (11) are respectively rotatably arranged on two sides of the cabinet, the front doors (12) are positioned on the front end face of the cabinet, a top plate (13) is arranged at the top of the cabinet, a fire detector (23) is arranged on the top plate (13), mounting strips (18) are fixedly arranged on two sides of the front end face of the cabinet, a sliding bottom bracket (141) and a sliding rail (154) capable of moving along the axis direction perpendicular to the mounting strips (18) are arranged on the mounting strips (18), a flue gas monitor (14) is slidably arranged on the sliding bottom bracket (141), a sliding plate (153) is slidably arranged on the sliding rail (154), a system integrated display screen (15) is rotatably connected with the sliding plate (153) through a rotating mechanism (152), the system integrated display screen (15) is connected with the flue gas monitor (14) for receiving, storing and counting data of the flue gas monitor (14) and transmitting the monitoring data to a monitoring terminal (131) arranged in the system integrated display screen (15) to a sealing mechanism (16) arranged at one side of the sealing mechanism (13), the fire control system (17) for monitoring and disposing the fire condition in the cabinet is arranged on the upper end face and the lower end face of the top plate (13), the fire control system (17) is in communication transmission connection with the fire detector (23), the system integrated display screen (15) and the background monitoring terminal, the fire monitoring in the cabinet is transmitted to the background monitoring terminal, and the system integrated display screen (15) displays and broadcasts a fire signal; the fire control system (17) comprises a fire extinguishing agent detector (179) for monitoring whether fire extinguishing agent is filled in a cabinet or not, the fire extinguishing agent detector (179) is installed on the top plate (13), the smoke monitor (14) is a drawer type monitor, pull handles (142) are installed on two sides of the front end of the smoke monitor (14), embedded ends connected with an external conveying air pipe, communication and power supply are arranged on the rear end face of the smoke monitor (14), the smoke monitor (14) is pushed into the cabinet through the sliding bottom support (141), the embedded ends are in butt joint communication with receiving ports (143) connected with the external conveying air pipe, communication and power supply, the system integrated display screen (15) is a visual touch screen device integrating the functions of receiving, processing, storing and system state monitoring and controlling, a mounting support (151) is arranged on the rear end face of the system integrated display screen (15), the mounting support (151) is connected with the rotating mechanism (152), a rotating hand-held part (155) is arranged at the upper end of the mounting support (151), and the orientation of the system integrated display screen (15) is adjusted through the rotating and rotating mechanism (152).
The air vent (131) is provided with a sealing groove (132), the cross section of the sealing groove (132) is of a U-shaped structure, a sliding part (133) is arranged along the inner side edge of the sealing groove (132), the sealing mechanism (16) comprises a sealing plate (161), a driving rack (162), a driving motor (163), a driving gear (164), a rotating connecting rod (165) and a bearing base (166), the longitudinal section of the sealing plate (161) is of an L shape, the sealing plate (161) is slidably arranged at the upper end of the sliding part (133), the contact part of the sealing plate (161) and the sealing groove (132) is of a sealing structure, the driving racks (162) are arranged on two sides of the upper end face of the sealing plate (161), the two driving racks (162) are meshed with the driving gears (164), the driving gears (164) are connected through the rotating connecting rod (165), the bearing bases (166) are arranged at two ends of the rotating connecting rod (165), the bearing bases (166) are fixedly arranged on the upper end face of the top plate (13), one end of the rotating connecting rod (165) is fixedly connected with the output end of the driving motor (163), and the driving system (163) is fixedly connected with the display screen (15) through the driving system;
The fire detector (23) comprises a temperature and humidity sensor, a smoke sensor and an infrared beam catcher, a power control module, a condenser, a smoke filter, a sampling pump and a temperature and pressure flow meter for detecting the temperature, the pressure and the flow rate of smoke are further arranged in the cabinet, and the smoke monitor (14) comprises a nitrogen oxide detector, a carbon oxide detector, a sulfur dioxide detector and a gas chromatograph.
2. The drawer cabinet for an on-line flue gas monitoring system according to claim 1, wherein the fire control system (17) comprises a fire extinguishing agent storage tank (171), a connecting pipe (174), an electromagnetic valve (176), a fire extinguishing agent conveying pipe (177) and a spray head (178), the fire extinguishing agent storage tank (171) is placed on the upper surface of the top plate (13), a tank body output end (173) of the fire extinguishing agent storage tank (171) is communicated with the fire extinguishing agent conveying pipe (177) through the connecting pipe (174), a penetrating pipe (175) penetrating through the top plate (13) is arranged between the fire extinguishing agent conveying pipe (177) and the connecting pipe (174), one end of the penetrating pipe (175) is connected with the connecting pipe (174), the other end of the penetrating pipe (175) is connected with the fire extinguishing agent conveying pipe (177), the electromagnetic valve (176) for controlling opening and closing of a pipeline is arranged on the penetrating pipe (175), the electromagnetic valve (176) and the fire extinguishing agent detector (179) are respectively connected with the system integrated display screen (15) in a control mode, the fire extinguishing agent conveying pipe (177) is arranged on the lower end surfaces of a plurality of branches (13) and is fixedly arranged on the top plate (13) through the two hanging rods (18), and the ends of the two branches are provided with the spray heads (178) for spraying the fire extinguishing agent, and in addition, a plurality of spray heads (178) are uniformly arranged at the lower end of the pipe wall of the fire extinguishing agent conveying pipe (177) along the path of the pipeline.
3. A drawer-type cabinet for an on-line flue gas monitoring system according to claim 2, wherein the fire extinguishing agent storage tank (171) is provided with a filling end (172) for replenishing fire extinguishing agent, the fire extinguishing agent stored in the fire extinguishing agent storage tank (171) is carbon dioxide, and the connecting pipe (174) is a flexible hose.
4. The drawer type cabinet for the flue gas online monitoring system according to claim 2, wherein a limiting hoop (20) is fixedly arranged on the top plate (13), the limiting hoop (20) is of a cylindrical lantern ring structure formed by two semicircular curved plates with cross sections, a rotating shaft is arranged on one side of the limiting hoop (20), a fixing buckle (21) is arranged on the other side of the limiting hoop, and the fire extinguishing agent storage tank (171) is placed in the limiting hoop (20).
5. Drawer-type cabinet for an on-line flue gas monitoring system according to claim 1, characterized in that a heat tracing pipe receiving end (19) is arranged at one side top corner of the top plate (13), and the front door (12) is a visual door provided with transparent tempered glass.
6. The application of a drawer type cabinet for an on-line flue gas monitoring system according to any one of claims 1 to 5, wherein the application scenario of the drawer type cabinet for an on-line flue gas monitoring system comprises the following contents:
a. The drawer type cabinet is transported to an installation site, all monitoring equipment is installed in place according to the installation specification of the flue gas online monitoring system, after the operation monitoring of the online monitoring system is debugged to meet the use requirement, the side door (11) and the front door (12) of the cabinet are closed, and the online monitoring system starts to be put into use;
b. During the operation of the on-line monitoring system, if the system equipment needs routine maintenance or repair, the side door (11) and the front door (12) are opened, the sliding plate (153) is pulled towards the inner side of the cabinet along the sliding rail (154), the system integrated display screen (15) is driven to move towards the inner side of the cabinet, after the restraint of the installation strip (18) at the front end of the cabinet is avoided, the rotating handheld part (155) on the installation support (151) is rotated, the rotating mechanism (152) enables the screen of the system integrated display screen (15) to face the inner side of the cabinet, and an maintainer inspects the detection data displayed by the system integrated display screen (15) while maintaining, so that the fault cause is judged;
c. If the smoke monitor (14) is judged to be damaged due to faults, the smoke monitor (14) is separated from the cabinet directly by pulling the pull handle (142), after the embedded end head of the rear end face of the smoke monitor (14) is separated from the receiving port (143), the new standby smoke monitor (14) with corresponding model is replaced, after the new smoke monitor (14) is pushed into the cabinet along the sliding collet (141), the embedded end head is in butt joint communication with the receiving port (143), so that the smoke monitor (14) is in butt joint communication with an external conveying air pipe, communication and power supply connection, and then the smoke monitor (14) with faults is put into use, and finally the smoke monitor (14) with faults is repaired and the repaired smoke monitor (14) is placed near the cabinet for standby, so as to make a fault record ledger;
d. If an on-line monitoring system operates, fire occurs in a cabinet, fire signals are timely monitored through a fire detector (23) on a top plate (13), the fire signals are fed back to a system integrated display screen (15), a fire control system (17) is started after the system integrated display screen (15) receives the feedback, an electromagnetic valve (176) of the fire control system (17) is opened, fire extinguishing agent in a fire extinguishing agent storage tank (171) is sprayed through a spray head (178), the density of carbon dioxide fire extinguishing agent is greater than that of air, the sprayed carbon dioxide fire extinguishing agent covers the space of the cabinet from top to bottom, air in the cabinet flows upwards and is discharged out of the cabinet through a ventilation opening (131) on the top plate (13), when the fire extinguishing agent detector (179) on the top plate (13) monitors the fire extinguishing agent, the cabinet is fully filled with the carbon dioxide fire extinguishing agent, and the system integrated display screen (15) controls a sealing mechanism (16) to close the ventilation opening (131), so that fire extinguishing operation is completed.
CN202310346379.0A 2023-04-03 2023-04-03 Drawer type cabinet for flue gas online monitoring system and application thereof Active CN116359441B (en)

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CN216350327U (en) * 2021-10-22 2022-04-19 南京霍普斯科技有限公司 Compact CEMS rack
CN217773052U (en) * 2022-07-05 2022-11-11 南京银逸智能科技有限公司 Intelligent safety protection system for electrical fire
CN115487458A (en) * 2022-10-20 2022-12-20 国网山东省电力公司电力科学研究院 Fire extinguishing test system for cabinet and power distribution cabinet and working method thereof
CN218632842U (en) * 2022-07-18 2023-03-14 广州瑞净机电设备有限公司 Fireproof electrical control cabinet

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592669A (en) * 2008-05-28 2009-12-02 宇星科技发展(深圳)有限公司 Two-in-one cabinet of continuous flue gas monitoring system
CN108195786A (en) * 2017-12-28 2018-06-22 安徽蓝盾光电子股份有限公司 A kind of out of stock CEMS systems on-Line Monitor Device
CN210742765U (en) * 2019-11-15 2020-06-12 南京埃森环境技术股份有限公司 CEMS intelligent housekeeper system
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CN115487458A (en) * 2022-10-20 2022-12-20 国网山东省电力公司电力科学研究院 Fire extinguishing test system for cabinet and power distribution cabinet and working method thereof

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