CN111053986A - Waste gas treatment system with fire-fighting system and fire extinguishing method thereof - Google Patents
Waste gas treatment system with fire-fighting system and fire extinguishing method thereof Download PDFInfo
- Publication number
- CN111053986A CN111053986A CN202010009462.5A CN202010009462A CN111053986A CN 111053986 A CN111053986 A CN 111053986A CN 202010009462 A CN202010009462 A CN 202010009462A CN 111053986 A CN111053986 A CN 111053986A
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- Prior art keywords
- fire
- fighting
- pipeline
- fire extinguishing
- waste gas
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- 239000002912 waste gas Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000011521 glass Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000007084 catalytic combustion reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
- B08B15/005—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops comprising a stationary main duct with one or more branch units, the branch units being freely movable along a sealed longitudinal slit in the main duct
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a waste gas treatment system with a fire fighting system, which comprises a waste gas treatment device, a waste gas collection pipeline system and a fire fighting system, wherein the waste gas collection pipeline system comprises a main pipeline connected with the waste gas treatment device and branch pipelines capable of connecting a workshop with the main pipeline, the fire fighting system comprises a controller, an emergency fire fighting pool, a stop valve and a plurality of thermocouples, the stop valve is arranged on each branch pipeline, the thermocouples are respectively arranged on the main pipeline and the branch pipelines, a water pump is arranged in the emergency fire fighting pool, the water pump is connected with the main pipeline through a fire fighting water pipe, and the joint of the fire fighting water pipe and the main pipeline is connected with an electromagnetic valve. The invention has the beneficial effects that: when the temperature in the pipeline is overhigh or a fire is found, all parts can be isolated in time and effectively put out a fire, the fire is prevented from being further expanded, the influence and the loss of the fire are reduced, and the novel fire extinguishing device has novelty and creativity.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a waste gas treatment system with a fire fighting system and a fire fighting method thereof.
Background
The existing waste gas treatment system generally comprises a plurality of waste gas collecting devices and waste gas treatment devices, wherein the waste gas collecting devices can be installed in each workshop, the waste gas treatment devices are installed on the roofs with a long distance therebetween, the waste gas collecting devices of each workshop are connected with each other through a pipeline, and a fan in the waste gas treatment devices operates to suck waste gas into the waste gas treatment devices through the pipeline for waste gas treatment, so that the pipeline plays a critical role in collecting and transporting waste gas, because the waste gas in the pipeline has more combustible substances, such as paint, waste gas and the like, once a fire disaster occurs in the process of transporting or treating the waste gas in the pipeline, the fire disaster can spread along the pipeline in a relatively closed space, so that the fire disaster in the pipeline can continue to burn and even spread into the workshops, and the fire disaster of each workshop is difficult to control, even if a fan in the waste gas treatment device is turned off, the fire is difficult to effectively prevent from spreading, and the fire can not be effectively controlled in time, so that an effective fire extinguishing method for the interior of a pipeline in the waste gas treatment process is lacked.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention provides an exhaust gas treatment system with a fire protection system and a fire extinguishing method thereof, so as to solve the above problems.
The technical scheme of the invention is realized as follows: the utility model provides an exhaust-gas treatment system with fire extinguishing system, includes exhaust treatment device, waste gas collection pipe-line system and fire extinguishing system, this waste gas collection pipe-line system includes the main line of being connected with exhaust treatment device and the lateral conduit of joinable workshop and main line, fire extinguishing system includes controller, emergent fire control pond, trip valve and a plurality of thermocouple, the trip valve sets up on each lateral conduit, a plurality of thermocouples set up respectively on main line and lateral conduit, be provided with the water pump in the emergent fire control pond, the water pump passes through fire hose and is connected with the main line, fire hose is connected with the solenoid valve with the junction of main line.
Through adopting above-mentioned technical scheme, in case the temperature is too high or there is the condition of a fire in discovering the pipeline, can in time keep apart and effectual putting out a fire between each part, prevent the further expansion of the condition of a fire, reduce the influence and the loss of conflagration, have novelty and creativity.
The invention is further configured to: the branch pipeline is provided with a cleaning inspection hole, a manhole is arranged on the cleaning inspection hole, the manhole comprises a connecting seat welded and fixed with the cleaning inspection hole, a hole cover hinged with one side of the connecting seat and a sight glass, a sealing ring is arranged between the connecting seat and the hole cover, a locking device is arranged between the connecting seat and the hole cover along the circumferential direction, the locking device comprises a connecting frame, a connecting rod hinged with the connecting frame, a locking fastener and a rotating handle, the connecting frame is welded with the connecting seat, the rotating handle is in threaded connection with the upper end of the connecting rod, the locking fastener is sleeved on the connecting rod in a sliding manner, and is connected with the bottom end of the rotating handle in an abutting mode, a groove which is arranged in an inward inclining mode is arranged on the edge of the outer end face of the hole cover, the lock catch piece is provided with a convex block corresponding to the groove, the connecting rod is sleeved with a return spring, and one end of the return spring is connected to the bottom end of the lock catch piece in an abutting mode; be equipped with the observation hole on the handhole door, the setting of observation hole toper, the great one end of its diameter sets up towards the connecting seat, fixedly connected with sight glass on the handhole door, the upside of sight glass articulates there is the mount that corresponds the setting, all be equipped with the through-hole on sight glass and the mount, be equipped with high temperature resistant glass and dark transparent plate on sight glass and the mount respectively, be equipped with the handle on the mount.
Through adopting above-mentioned technical scheme, can carry out daily maintenance to the pipeline through opening the clearance inspection door at ordinary times, when the conflagration breaing out, can come the inside conflagration condition of observation that is clear through the sight glass, dark transparent plate enables the more clear of observation, discovers the ignition more easily, can be timely make the processing.
The invention is further configured to: the bottom of the emergency fire-fighting pool is provided with a water outlet, the water outlet is connected with a main pipeline through an emergency water pipe, and a manual valve is arranged on the emergency water pipe.
Through adopting above-mentioned technical scheme, if the solenoid valve in case became invalid, can put out a fire through opening manual valve, make its flexibility more.
The invention is further configured to: the fire fighting system further comprises a temperature sensor, a smoke alarm and a water spraying pipe which are arranged in the workshop, a paint spraying table is arranged in the workshop, the branch pipeline is connected with the paint spraying table, an anti-explosion axial flow fan is arranged at one end, close to the paint spraying table, in the branch pipeline, and a plurality of spray heads are arranged on the water spraying pipe.
Through adopting above-mentioned technical scheme, the fire hazard in the workshop of spraying paint of detection that can be timely in case exceed the standard value, in time send the warning, let personnel handle, effectual reduction loss to make the flame can not stretch to the pipeline in.
The invention is further configured to: the water pump, the electromagnetic valve, the cut-off valve, the thermocouple, the temperature sensor, the smoke alarm and the spray pipe are respectively and electrically connected with the controller.
By adopting the technical scheme, the automation degree of the automatic control system is high, the automatic control system is used for controlling the automatic control system, personnel do not need to pay attention constantly, and the automatic control system is more convenient, fast and effective.
The invention is further configured to: the delivery port of solenoid valve be connected with the fire control shower nozzle, be equipped with the screw thread on the top outer wall of fire control shower nozzle, be connected with a plurality of watering dishes through the go-between on the bottom of fire control shower nozzle and the lateral wall, the go-between rotates with the outer wall of fire control shower nozzle to be connected, be equipped with a plurality of apopores that set up towards the watering dish on the fire control shower nozzle, be equipped with the guide that can slide from top to bottom in the fire control shower nozzle, be equipped with the end cap on the bottom of the inherent guide of fire control shower nozzle, be equipped with inhalant canal in the guide, inhalant canal corresponds the setting with the apopore, be equipped with spacing lug on the outer wall of guide, be equipped with the spacing recess that supplies spacing lug to slide from top to bottom on the inner wall of fire control shower nozzle, be equipped.
Through adopting above-mentioned technical scheme, make more comprehensive that the fire control shower nozzle sprayed, can deal with the condition of a fire of all directions in the pipeline and cover, the water yield is big, is applicable to the fire extinguishing in the pipeline more.
A method of extinguishing a fire in an exhaust treatment system having a fire protection system, comprising the steps of:
the method comprises the following steps: the thermocouple detects the temperature in the main pipeline and each branch pipeline in real time, converts the detected temperature signal into an electric signal and transmits the electric signal to the controller;
step two: when the temperature detected by the thermocouple exceeds a preset value, the controller automatically opens the water pump and the electromagnetic valve to enable fire extinguishing media in the emergency fire pool to be sprayed into the main pipeline and each branch pipeline through the fire nozzle, meanwhile, the stop valve and the explosion-proof axial flow fan are closed, and the waste gas treatment device also stops running;
step three: when a temperature sensor and a smoke alarm arranged in a workshop detect that the temperature or smoke in the workshop exceeds a preset value, an electric signal is transmitted to a controller, and a water spray pipe and a spray header are automatically started by the controller.
Through adopting above-mentioned technical scheme, make its whole degree of automation high, cooperation each other is inseparable, in case discover the interior high temperature of pipeline or the workshop in the high temperature of temperature, smog excessively dense, can in time keep apart and put out a fire the processing between them, the effectual further expansion that prevents the intensity of a fire reduces the influence and the loss of conflagration.
The invention is further configured to: when the water pump or the electromagnetic valve fails, the fire extinguishing medium in the emergency fire-fighting pool can be sprayed into the main pipeline and each branch pipeline by opening the manual valve.
By adopting the technical scheme, the novel multifunctional desk lamp can be used more flexibly and more comprehensively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Figure 2 is a sectional view of a manhole structure in accordance with an embodiment of the present invention.
Fig. 3 is a schematic structural view of a locking device of a manhole in an embodiment of the present invention.
Fig. 4 is a structural sectional view of the blowout preventer with the blowout preventer closed according to the embodiment of the present invention.
Fig. 5 is a structural sectional view of the blowout preventer when it is opened according to the embodiment of the present invention.
Fig. 6 is a structural sectional view of a fire sprinkler according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 1-6, the invention discloses a waste gas treatment system with a fire fighting system, which comprises a waste gas treatment device 3, a waste gas collection pipeline system and a fire fighting system 2, wherein the waste gas collection pipeline system comprises a main pipeline 4 connected with the waste gas treatment device 3 and branch pipelines 5 capable of connecting a workshop 1 and the main pipeline 4, the fire fighting system 2 comprises a controller, an emergency fire fighting pool 8, a cut-off valve 14 and a plurality of thermocouples 16, the cut-off valve 14 is arranged on each branch pipeline 5, the thermocouples 16 are respectively arranged on the main pipeline 4 and the branch pipelines 5, a water pump 9 is arranged in the emergency fire fighting pool 8, the water pump 9 is connected with the main pipeline 4 through a fire fighting water pipe 10, and the connection part of the fire fighting water pipe 10 and the main pipeline 4 is connected with an electromagnetic valve 11.
Through adopting above-mentioned technical scheme, in case the temperature is too high or there is the condition of a fire in discovering the pipeline, can in time keep apart and effectual putting out a fire between each part, prevent the further expansion of the condition of a fire, reduce the influence and the loss of conflagration, have novelty and creativity.
In the embodiment of the present invention, the waste gas treatment device 3 includes a filter box 24, a plurality of activated carbon adsorption beds 25, a fan 26, and a catalytic combustion furnace 27, the filter box 24 is connected to an air inlet 29 of the activated carbon adsorption bed 25 through an air inlet pipe 28, an air outlet 31 of the activated carbon adsorption bed 25 is connected to the fan 26 through an air outlet pipe 30, the fan 26 is connected to a chimney 32, one side of the air inlet 29 of the activated carbon adsorption bed 25 is connected to the catalytic combustion furnace 27 through a waste heat recovery pipe 33, the waste heat recovery pipe 33 is connected to the chimney 32 and the fan 26, and one side of the air outlet 31 of the activated carbon adsorption bed 25 is connected to the catalytic combustion furnace 27 through a desorption pipe 34.
Through adopting above-mentioned technical scheme, can effectually handle some big amount of wind, middle, low concentration's organic waste gas, purifying effect is good, can recycle, and the maintenance in later stage is more convenient, simple.
In the embodiment of the present invention, the air inlet 29 and the air outlet 31 are both provided with control valves 35.
By adopting the technical scheme, the air inlet and outlet of the activated carbon adsorption bed can be conveniently controlled, so that the activated carbon adsorption bed is safer and more convenient.
In the embodiment of the present invention, a cleaning inspection hole 15 is provided on the branch pipe 5, a manhole 36 is provided on the cleaning inspection hole 15, the manhole 36 includes a connecting seat 37 welded and fixed to the cleaning inspection hole 15, a hole cover 38 hinged to one side of the connecting seat 37, and a viewing mirror 39, a sealing ring 48 is provided between the connecting seat 37 and the hole cover 38, a locking device 40 is circumferentially provided between the connecting seat 37 and the hole cover 38, the locking device 40 includes a connecting frame 41, a connecting rod 42 hinged to the connecting frame 41, a locking piece 43 and a rotating handle 44, the connecting frame 41 is welded to the connecting seat 37, the rotating handle 44 is in threaded connection with the upper end of the connecting rod 42, the locking piece 43 is slidably sleeved on the connecting rod 42 and is in abutting connection with the bottom end of the rotating handle 44, a groove 45 inclined inward is provided on the edge of the outer end face of the hole cover 38, a protrusion 46 corresponding to the groove 45 is provided on the locking piece 43, a return spring 47 is sleeved on the connecting rod 42, and one end of the return spring 47 is connected to the bottom end of the locking piece 43 in an abutting mode; the improved structure is characterized in that an observation hole 49 is formed in the hole cover 38, the observation hole 49 is arranged in a conical shape, one end with the larger diameter is arranged towards the connecting seat 37, a viewing mirror 39 is fixedly connected to the hole cover 38, a fixing frame 51 correspondingly arranged is hinged to the upper side of the viewing mirror 39, through holes 53 are formed in the viewing mirror 39 and the fixing frame 51 respectively, high-temperature-resistant glass 50 and a dark-color transparent plate 52 are arranged on the viewing mirror 39 and the fixing frame 51 respectively, and a handle 54 is arranged on the fixing frame 51.
Through adopting above-mentioned technical scheme, can carry out daily maintenance to the pipeline through opening the clearance inspection door at ordinary times, when the conflagration breaing out, can come the inside conflagration condition of observation that is clear through the sight glass, dark transparent plate enables the more clear of observation, discovers the ignition more easily, can be timely make the processing.
In the embodiment of the invention, the bottom end of the emergency fire pool 8 is provided with a water outlet 6, the water outlet 6 is connected with the main pipeline 4 through an emergency water pipe 12, and the emergency water pipe 12 is provided with a manual valve 13.
Through adopting above-mentioned technical scheme, if the solenoid valve in case became invalid, can put out a fire through opening manual valve, make its flexibility more.
In the embodiment of the invention, the fire fighting system 2 further comprises a temperature sensor 22, a smoke alarm 23 and a water spray pipe 18 which are arranged in the workshop 1, a paint spraying table 17 is arranged in the workshop 1, the branch pipe 5 is connected with the paint spraying table 17, an anti-explosion axial flow fan 19 is arranged at one end, close to the paint spraying table 17, in the branch pipe 5, and a plurality of spray heads 20 are arranged on the water spray pipe 18.
Through adopting above-mentioned technical scheme, the fire hazard in the workshop of spraying paint of detection that can be timely in case exceed the standard value, in time send the warning, let personnel handle, effectual reduction loss to make the flame can not stretch to the pipeline in.
In the embodiment of the invention, the water pump 9, the electromagnetic valve 11, the shut-off valve 14, the thermocouple 16, the temperature sensor 22, the smoke alarm 23 and the water spray pipe 18 are respectively electrically connected with the controller.
By adopting the technical scheme, the automation degree of the automatic control system is high, the automatic control system is used for controlling the automatic control system, personnel do not need to pay attention constantly, and the automatic control system is more convenient, fast and effective.
In the embodiment of the invention, the water outlet of the electromagnetic valve 11 is connected with a fire-fighting nozzle 55, the outer wall of the top end of the fire-fighting nozzle 55 is provided with threads, the bottom end and the side wall of the fire-fighting nozzle 55 are connected with a plurality of sprinkling disks 58 through connecting rings 59, the connecting rings 59 are rotatably connected with the outer wall of the fire-fighting nozzle 55, the fire-fighting nozzle 55 is provided with a plurality of water outlets 60 arranged towards the sprinkling disks 58, the fire-fighting nozzle 55 is internally provided with a guide piece 56 capable of sliding up and down, the bottom end of the guide piece 56 in the fire-fighting nozzle 55 is provided with a plug 65, the guide piece 56 is internally provided with a water inlet channel 57, the water inlet channel 57 is arranged corresponding to the water outlets 60, the outer wall of the guide piece 56 is provided with a limit bump 61, the inner wall of the fire-fighting nozzle 55 is provided with a limit groove, a heat-sensitive glass ball 64 is arranged between the tightening screw 63 and the plug 65.
Through adopting above-mentioned technical scheme, make more comprehensive that the fire control shower nozzle sprayed, can deal with the condition of a fire of all directions in the pipeline and cover, the water yield is big, is applicable to the fire extinguishing in the pipeline more.
A method of extinguishing a fire in an exhaust treatment system having a fire protection system, comprising the steps of:
the method comprises the following steps: the thermocouple 16 detects the temperature in the main pipeline 4 and each branch pipeline 5 in real time, converts the detected temperature signal into an electric signal and transmits the electric signal to the controller;
step two: when the temperature detected by the thermocouple 16 exceeds a preset value, the controller automatically opens the water pump 9 and the electromagnetic valve 11 to enable fire extinguishing media in the emergency fire pool 8 to be sprayed into the main pipeline 4 and each branch pipeline 5 through the fire-fighting spray nozzle 55, meanwhile, the cut-off valve 14 and the explosion-proof axial flow fan 19 are closed, and the waste gas treatment device 3 also stops running;
step three: when the temperature sensor 22 and the smoke alarm 23 arranged in the workshop 1 detect that the temperature or the smoke in the workshop 1 exceeds a preset value, electric signals are transmitted to the controller, and the sprinkler pipe 18 and the spray header 20 are automatically started by the controller.
Through adopting above-mentioned technical scheme, make its whole degree of automation high, cooperation each other is inseparable, in case discover the interior high temperature of pipeline or the workshop in the high temperature of temperature, smog excessively dense, can in time keep apart and put out a fire the processing between them, the effectual further expansion that prevents the intensity of a fire reduces the influence and the loss of conflagration.
In the embodiment of the present invention, when the water pump 9 or the solenoid valve 11 fails, the fire extinguishing medium in the emergency fire pool 8 can be sprayed into the main pipe 4 and each branch pipe 5 by opening the manual valve 13.
By adopting the technical scheme, the novel multifunctional desk lamp can be used more flexibly and more comprehensively.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an exhaust treatment system with fire extinguishing system which characterized in that: including exhaust treatment device (3), waste gas collection pipe-line system and fire extinguishing system (2), this waste gas collection pipe-line system includes main pipeline (4) and branch pipeline (5) of joinable workshop (1) and main pipeline (4) of being connected with exhaust treatment device (3), fire extinguishing system (2) are including controller, emergent fire-fighting pit (8), trip valve (14) and a plurality of thermocouple (16), trip valve (14) set up on each branch pipeline (5), a plurality of thermocouple (16) set up respectively on main pipeline (4) and branch pipeline (5), be provided with water pump (9) in emergent fire-fighting pit (8), water pump (9) are connected with main pipeline (4) through fire-fighting water pipe (10), fire-fighting water pipe (10) are connected with solenoid valve (11) with the junction of main pipeline (4).
2. The exhaust treatment system with a fire extinguishing system of claim 1, wherein: the branch pipeline (5) on be provided with clearance inspection hole (15), be equipped with manhole (36) on this clearance inspection hole (15), manhole (36) include with clearance inspection hole (15) welded fastening's connecting seat (37), with connecting seat (37) one side articulated handhole door (38) and sight glass (39), be equipped with sealing washer (48) between connecting seat (37) and handhole door (38), the circumference is equipped with locking device (40) between connecting seat (37) and handhole door (38), locking device (40) include link (41), with link (41) articulated connecting rod (42), hasp spare (43) and rotation handle (44), link (41) and connecting seat (37) welded fastening, rotation handle (44) and the upper end threaded connection of connecting rod (42), hasp spare (43) slip cover is established on connecting rod (42), the outer end face edge of the hole cover (38) is provided with a groove (45) which is arranged in an inward inclined mode, the lock catch piece (43) is provided with a convex block (46) corresponding to the groove (45), the connecting rod (42) is sleeved with a return spring (47), and one end of the return spring (47) is connected to the bottom end of the lock catch piece (43) in an abutting mode; be equipped with observation hole (49) on handhole door (38), observation hole (49) toper sets up, and the great one end of its diameter sets up towards connecting seat (37), fixedly connected with sight glass (39) on handhole door (38), the upside of sight glass (39) articulates there is mount (51) that corresponds the setting, all be equipped with through-hole (53) on sight glass (39) and mount (51), be equipped with high temperature resistant glass (50) and dark transparent plate (52) on sight glass (39) and mount (51) respectively, be equipped with handle (54) on mount (51).
3. The exhaust treatment system with a fire extinguishing system of claim 1, wherein: the emergency fire-fighting pool is characterized in that a water outlet (6) is formed in the bottom end of the emergency fire-fighting pool (8), the water outlet (6) is connected with the main pipeline (4) through an emergency water pipe (12), and a manual valve (13) is arranged on the emergency water pipe (12).
4. The exhaust treatment system with a fire extinguishing system of claim 1, wherein: fire extinguishing system (2) are still including setting up temperature sensor (22) and smoke alarm (23) and spray pipe (18) in workshop (1), be equipped with paint spraying table (17) in workshop (1), lateral conduit (5) are connected with paint spraying table (17), one of lateral conduit (5) interior being close to paint spraying table (17) is served and is equipped with explosion-proof axial fan (19), be equipped with a plurality of shower heads (20) on spray pipe (18).
5. An exhaust treatment system with a fire extinguishing system as recited in claim 1 or 4, wherein: the water pump (9), the electromagnetic valve (11), the cut-off valve (14), the thermocouple (16), the temperature sensor (22), the smoke alarm (23) and the spray pipe (18) are respectively and electrically connected with the controller.
6. The exhaust treatment system with a fire extinguishing system of claim 1, wherein: the water outlet of the electromagnetic valve (11) is connected with a fire-fighting nozzle (55), the outer wall of the top end of the fire-fighting nozzle (55) is provided with threads, the bottom end and the side wall of the fire-fighting nozzle (55) are connected with a plurality of sprinkling disks (58) through connecting rings (59), the connecting rings (59) are rotatably connected with the outer wall of the fire-fighting nozzle (55), the fire-fighting nozzle (55) is provided with a plurality of water outlets (60) arranged towards the sprinkling disks (58), a guide part (56) capable of sliding up and down is arranged in the fire-fighting nozzle (55), the bottom end of the guide part (56) in the fire-fighting nozzle (55) is provided with a plug (65), the guide part (56) is internally provided with a water inlet channel (57), the water inlet channel (57) is arranged corresponding to the water outlets (60), the outer wall of the guide part (56) is provided with a limiting convex block (61), the inner wall of the fire-fighting nozzle (55), a jacking screw (63) is arranged on the sprinkling plate (58) at the bottom end of the fire-fighting sprinkler (55), and a heat-sensitive glass ball (64) is arranged between the jacking screw (63) and the plug (65).
7. A fire extinguishing method of an exhaust gas treatment system with fire extinguishing system according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
the method comprises the following steps: the thermocouple (16) detects the temperature in the pipeline in real time, converts the detected temperature signal into an electric signal and transmits the electric signal to the controller;
step two: when the temperature detected by the thermocouple (16) exceeds a preset value, the controller automatically starts the water pump (9) and the electromagnetic valve (11) to enable fire extinguishing media in the emergency fire pool (8) to be sprayed into the main pipeline (4) and each branch pipeline (5) through the fire nozzle (55), meanwhile, the cut-off valve (14) and the explosion-proof axial flow fan (19) are closed, and the waste gas treatment device (3) stops running;
step three: when a temperature sensor (22) and a smoke alarm (23) arranged in the workshop (1) detect that the temperature or smoke in the workshop (1) exceeds a preset value, an electric signal is transmitted to a controller, and the controller automatically starts a water spray pipe (18) and a spray header (20).
8. A method of extinguishing a fire in an exhaust gas treatment system with a fire extinguishing system as recited in claim 7, characterized by: when the water pump (9) or the electromagnetic valve (11) fails, the fire extinguishing medium in the emergency fire pool (8) can be sprayed into the main pipeline (4) and each branch pipeline (5) by opening the manual valve (13).
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