CN204139548U - Smoke control system - Google Patents
Smoke control system Download PDFInfo
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- CN204139548U CN204139548U CN201420542034.9U CN201420542034U CN204139548U CN 204139548 U CN204139548 U CN 204139548U CN 201420542034 U CN201420542034 U CN 201420542034U CN 204139548 U CN204139548 U CN 204139548U
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Abstract
The utility model discloses a kind of smoke control system, comprise multiple blast pipe, the entrance of each blast pipe is provided with at least 3 air intake blades of annular arrangement, the both sides of each air intake blade are provided with the automatic cleaning apparatus on the surface for clean air intake blade, multiple blast pipe is connected with return air duct jointly, return air duct is connected with exhaust duct, the sidepiece of exhaust duct is connected with towards multiple air exhaust branch pipes of different directions, air exhaust branch pipe is provided with the exhaust smoke valve being used to open or close air exhaust branch pipe, the outlet section of air exhaust branch pipe is provided with induced draft fan, wherein, the smokescope sensor for the smokescope in Real-Time Monitoring exhaust duct is provided with in exhaust duct, smokescope sensor is connected with control device, exhaust smoke valve, induced draft fan is all connected with control device.Its structure is simple, smoke exhaust efficiency is high.
Description
Technical field
The utility model relates to ventilation system technical field, particularly relates to a kind of smoke control system.
Background technology
Along with the development of urban construction, opening in high-rise residential buildings, large public building also develop rapidly.According to the requirement of high-rise building design specification, this type of buildings all must arrange the smoke control system needed for passageway for fire apparatus.Smoke control system, generally by supply and exhaust pipe, pipe well, fire resisting damper, Opening-closing equipment for door, give, the equipment such as exhaust blower forms.Smoke control system is the general name of fume-resisting system and smoke evacuation system, and wherein, fume-resisting system adopts mechanism contact type sensor mode or natural ventilation system, prevents flue gas from entering the system of fire escape; And smoke evacuation system adopts mechanical smoke extraction mode or natural ventilation system, flue gas is drained into the system outside building.There is direct relation in exhaust smoke level and the Smoke prevention district of mechanical smoke extraction system.Existing smoke control system, it is when fire occurs, and because smoke exhaust efficiency is low, is easy to cause smog to threaten people's life.
Utility model content
The purpose of this utility model is to propose the smoke control system that a kind of structure is simple, smoke exhaust efficiency is high.
For reaching this object, the utility model by the following technical solutions:
A kind of smoke control system, comprise multiple blast pipe, the entrance of each described blast pipe is provided with at least 3 air intake blades of annular arrangement, the both sides of each described air intake blade are provided with the automatic cleaning apparatus on the surface for clean described air intake blade, multiple described blast pipe is connected with return air duct jointly, described return air duct is connected with exhaust duct, the sidepiece of described exhaust duct is connected with towards multiple air exhaust branch pipes of different directions, described air exhaust branch pipe is provided with the exhaust smoke valve being used to open or close described air exhaust branch pipe, the outlet section of described air exhaust branch pipe is provided with induced draft fan, wherein, the smokescope sensor for the smokescope in exhaust duct described in Real-Time Monitoring is provided with in described exhaust duct, described smokescope sensor is connected with control device, described exhaust smoke valve, described induced draft fan is all connected with described control device.
Wherein, described automatic cleaning apparatus comprises multiple articulated sections that annular is arranged at the inner side of described blast pipe, each described articulated section is connected with turning its axis direction along described blast pipe that makes and places to pack up or make its radial direction along described blast pipe to place with the leptosomatic hairbrush opened, described articulated section is connected with drive unit, and described drive unit connects described control device.
Wherein, the outlet of described exhaust duct, the outlet of described induced draft fan are provided with smoke treating device.
Wherein, the length of described air exhaust branch pipe is less than the length of described exhaust duct.
Wherein, the internal diameter of described air exhaust branch pipe is the half of the internal diameter of described exhaust duct.
Wherein, described control device is connected with alarm.
The beneficial effects of the utility model are:
A kind of smoke control system, when fire occurs, it utilizes air intake blade to the quick air intake of each blast pipe, converge by delivering in return air duct after multiple blast pipe simultaneously air intake, then by exhaust duct, smog is discharged with the wind, in the process, by the smokescope of smokescope Sensor monitoring through exhaust duct, and by smokescope data feedback to control device, control device according to the exhaust smoke valve in the Data Control air exhaust branch pipe of smokescope to open or close, when exhaust smoke valve is opened, the induced draft fan also corresponding beginning exhausting of corresponding air exhaust branch pipe, to be discharged fume by air exhaust branch pipe as early as possible, and then alleviate the smoke evacuation pressure of exhaust duct, reach the object of smoke evacuation fast, greatly improve smoke exhaust efficiency, avoid smog smoke evacuation system build-up of pressure and damage smoke evacuation system, and then avoid smog to jeopardize people's life, its structure is simple, smoke exhaust efficiency is high, in addition, discharged fume fast by air exhaust branch pipe, smog dispersion can be discharged by it, also can reduce the impact of smog on local environment, utilize automatic cleaning apparatus to carry out Automatic clearance to air intake blade, effectively ensure the surface clean of air intake blade, can not dust be overstock, be conducive to air intake.
Accompanying drawing explanation
Fig. 1 is the structural representation of smoke control system of the present utility model.
In figure: 1-air intake blade; 2-blast pipe; 3-return air duct; 4-exhaust duct; 5-smokescope sensor; 6-control device; 7-air exhaust branch pipe; 8-induced draft fan.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of smoke control system, comprise multiple blast pipe 2, the entrance of each blast pipe 2 is provided with at least 3 air intake blades 1 of annular arrangement, the both sides of each air intake blade 1 are provided with the automatic cleaning apparatus on the surface for clean air intake blade 1, multiple blast pipe 2 is connected with return air duct 3 jointly, return air duct 3 is connected with exhaust duct 4, the sidepiece of exhaust duct 4 is connected with towards multiple air exhaust branch pipes 7 of different directions, air exhaust branch pipe 7 is provided with the exhaust smoke valve being used to open or close air exhaust branch pipe 7, the outlet section of air exhaust branch pipe 7 is provided with induced draft fan 8, wherein, the smokescope sensor 5 for the smokescope in Real-Time Monitoring exhaust duct 4 is provided with in exhaust duct 4, smokescope sensor 5 is connected with control device 6, exhaust smoke valve, induced draft fan is all connected with control device 6.
When fire occurs, it utilizes air intake blade 1 to each blast pipe 2 air intake fast, converge by delivering in return air duct 3 after multiple blast pipe 2 simultaneously air intake, then by exhaust duct 4, smog is discharged with the wind, in the process, the smokescope through exhaust duct 4 is monitored by smokescope sensor 5, and by smokescope data feedback to control device 6, control device 6 according to the exhaust smoke valve in the Data Control air exhaust branch pipe 7 of smokescope to open or close, when exhaust smoke valve is opened, the induced draft fan 8 also corresponding beginning exhausting of corresponding air exhaust branch pipe 7, to be discharged fume by air exhaust branch pipe 7 as early as possible, and then alleviate the smoke evacuation pressure of exhaust duct, reach the object of smoke evacuation fast, greatly improve smoke exhaust efficiency, avoid smog smoke evacuation system build-up of pressure and damage smoke evacuation system, and then avoid smog to jeopardize people's life, its structure is simple, smoke exhaust efficiency is high, in addition, discharged fume fast by air exhaust branch pipe, smog dispersion can be discharged by it, also can reduce the impact of smog on local environment, utilize automatic cleaning apparatus to carry out Automatic clearance to air intake blade, effectively ensure the surface clean of air intake blade, can not dust be overstock, be conducive to air intake.
Preferably, automatic cleaning apparatus comprises multiple articulated sections that annular is arranged at the inner side of blast pipe 2, each articulated section is connected with turning its axis direction along blast pipe 2 that makes and places to pack up or make its radial direction along blast pipe 2 to place with the leptosomatic hairbrush opened, articulated section is connected with drive unit, drive unit connection control device.Because air intake blade 1 was after entering smoky environment for a long time, have more smoke particle and dust and drop on its surface, long-term overstocking can cause air intake blade 1 to rotate difficulty increasing, improve driving-energy, and smog can be taken to a certain extent and pass through area, make smog, wind percent of pass reduces, be unfavorable for the carrying out of smoke evacuation process, thus, in the present embodiment, leptosomatic hairbrush is utilized to come the surface of brush air intake blade 1, and, when not needing clean, control device 6 can pass through accessory drive, hairbrush is packed up, this is just avoided the space taking blast pipe 2, guarantee air intake is smooth and easy.
Certainly, groove can also be offered in the inner side of blast pipe 2, hairbrush be embedded in groove, reach and dodge air intake passage better.
Because air exhaust branch pipe 7 is branch road, main smoke discharging pipe is exhaust duct 4, its air exhaust branch pipe 7 detects that smokescope is excessive at smokescope sensor 5, exhaust duct 4 cannot discharge fume in time or discharge fume pressure large time use, so in order to reduce wasting of resources when not using, preferably, the length of air exhaust branch pipe 7 is less than the length of exhaust duct 4.The internal diameter of air exhaust branch pipe 7 is the half of the internal diameter of exhaust duct 4.And multiple air exhaust branch pipe 7 can play smoke evacuation effect preferably.
The outlet of exhaust duct 4, the outlet of induced draft fan 8 are provided with smoke treating device.Smoke treating device is utilized can effectively to reduce smog pollution on the environment.
In the present embodiment, control device 6 is connected with alarm.When smokescope sensor 5 detects that smokescope is higher, control device 6 controls alarm to start to report to the police, to remind people's flee danger environment as early as possible.
Generally, smoke control system needs to debug, and mainly contains mensuration and the debugging of the test running of equipment unit and system combined test running.
Wherein, air intake blade 1 is generally contained in blower fan, and this blower fan has following requirement before test running: the motor be connected with blower fan turns to correctly; Oil level, blade quantity, blade angle, blade tip clearance, blade control device function, adjustable range all should meet the regulation of equipment and technology file; Any dirty foreign material must not be left in Fan pipeline; The tune blower fan of adjustable blade burner, should be adjusted to the starting angle that equipment and technology file specifies by adjustable vane; Jiggering without jam phenomenon, and should cut out all door to access.Then, this blower fan test running: during starting, phenomenon without exception is answered at each position, answering hard stop inspection, ascertaining the reason and should eliminate when there being anomaly; Again, the startup of this blower fan and running: blower fan shuts down immediately through one-shot, check that impeller and casing are with or without rubbing and abnormal sound; The direction of rotation of blower fan should be consistent with direction shown in casing upward arrow; After fan starting, during as there being foreign matter in discovery machine, answering hard stop, managing to take out foreign matter; During fan starting, the starting current of motor measured by application clamp ammeter, measures the revolution electric current of motor after blower fan runs well again.As operating amperage exceed Rated motor current value time, total blast volume control valve should be turned down gradually, until return drop to load current value; In blower fan operation process, with metal bar or long handle screwdriver, carefully should monitor in bearing and have noiseless, to judge whether bearing has in damage or lubrication oil whether be mixed into foreign material; Blower fan operates after a period of time, estimates bearing temperature with land surface pyrometer, and measured temperature value should not exceed the regulation in equipment specification; Through preliminary operation, blower fan checks that all are normal, then operate continuously, and continuous operation time is 2 hours; The fan operation newly enabled is after one month, should check whether the tightness of belt and bolt have loosening phenomenon, are adjusted in time, fastening.
In the present embodiment, be also provided with electric fire-damper (70 DEG C), it is connected with described control device 6.When reality uses, electric fire-damper (70 DEG C), exhaust smoke valve (280 DEG C) need to carry out monomer debugging: do action test to automatically controlled smoke controlling valve one by one, manually, electric operating should be sensitive, reliable, signal exports correct, should be tight when valve plate is closed, the connection of dropout steel wire should not relax, and does not come off; Check air outlet (smoke vent opening) and junction, air channel one by one, the air quantity that do not have leaks; Check air outlet (smoke vent opening) one by one, should firmly be arranged on assigned address; Check that electric window-opening device wiring is correct and install firmly one by one, it is flexible that on-the-spot draft switch opens electric window-opening device; Check the lifting of fire curtain control cabinet wiring installation and fire curtain one by one.
After completing above-mentioned independent debugging, need to carry out interlock test running and debugging to whole system: the performance test of forced draft systems technology; By door (the comprising elevator door) Close All of the door and window and cup or common antechamber that are equiped with the staircase of this smoke control system; Start the blower fan that air intake blade 1 is housed; A few place is respectively selected to be simulated fire layer in project and exhibition room; Open the labeled door of fire layer and upper and lower one deck simultaneously, test the mean wind speed at each door place when three layers of door are opened simultaneously.
Mechanical smoke extraction systems technology performance test: the passage smoke evacuation system of subsurface equipment room, the first floor: start mechanical smoke evacuation system, make it normal operation input, if when the smoke evacuation of a smoke bay undertaken separately by induced-draft fan, smoke vent opening in the smoke controlling subregion this induced-draft fan should undertaken all is opened, as an induced-draft fan undertake plural smoke controlling subregion time, then the smoke vent opening standard-sized sheet in maximum smoke controlling subregion and secondary large smoke controlling subregion, the capacity by each smoke vent opening should be measured.Smoke vent opening place wind speed should not be greater than 10m/s.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (6)
1. a smoke control system, it is characterized in that, comprise multiple blast pipe (2), the entrance of each described blast pipe (2) is provided with at least 3 air intake blades (1) of annular arrangement, the both sides of each described air intake blade (1) are provided with the automatic cleaning apparatus on the surface for clean described air intake blade (1), multiple described blast pipe (2) is connected with return air duct (3) jointly, described return air duct (3) is connected with exhaust duct (4), the sidepiece of described exhaust duct (4) is connected with towards multiple air exhaust branch pipes (7) of different directions, described air exhaust branch pipe (7) is provided with the exhaust smoke valve being used to open or close described air exhaust branch pipe (7), the outlet section of described air exhaust branch pipe (7) is provided with induced draft fan (8), wherein, the smokescope sensor (5) for the smokescope in exhaust duct described in Real-Time Monitoring (4) is provided with in described exhaust duct (4), described smokescope sensor (5) is connected with control device (6), described exhaust smoke valve, described induced draft fan is all connected with described control device (6).
2. smoke control system according to claim 1, it is characterized in that, described automatic cleaning apparatus comprises multiple articulated sections that annular is arranged at the inner side of described blast pipe (2), each described articulated section is connected with turning its axis direction along described blast pipe (2) that makes and places to pack up or make its radial direction along described blast pipe (2) to place with the leptosomatic hairbrush opened, described articulated section is connected with drive unit, and described drive unit connects described control device.
3. smoke control system according to claim 1, is characterized in that, the outlet of the outlet of described exhaust duct (4), described induced draft fan (8) is provided with smoke treating device.
4. smoke control system according to claim 1, is characterized in that, the length of described air exhaust branch pipe (7) is less than the length of described exhaust duct (4).
5. smoke control system according to claim 1, is characterized in that, the internal diameter of described air exhaust branch pipe (7) is the half of the internal diameter of described exhaust duct (4).
6. smoke control system according to claim 1, is characterized in that, described control device (6) is connected with alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542034.9U CN204139548U (en) | 2014-09-19 | 2014-09-19 | Smoke control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542034.9U CN204139548U (en) | 2014-09-19 | 2014-09-19 | Smoke control system |
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| Publication Number | Publication Date |
|---|---|
| CN204139548U true CN204139548U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420542034.9U Active CN204139548U (en) | 2014-09-19 | 2014-09-19 | Smoke control system |
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| CN (1) | CN204139548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057017A (en) * | 2019-05-13 | 2019-07-26 | 常州市规划设计院(常州市规划编研中心) | A kind of fire prevention and smoke extraction system and its control method |
-
2014
- 2014-09-19 CN CN201420542034.9U patent/CN204139548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057017A (en) * | 2019-05-13 | 2019-07-26 | 常州市规划设计院(常州市规划编研中心) | A kind of fire prevention and smoke extraction system and its control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Suzhou City, Jiangsu Province, Yushan Town, Kunshan City, 215399 Zuchongzhi Road No. 1666 No. 5 8 floor, Tsinghua Science Park Patentee after: Jiangsu three Italy building Polytron Technologies Inc Address before: Suzhou City, Jiangsu Province, Yushan Town, Kunshan City, 215347 Zuchongzhi Road No. 1666 No. 5 8 floor, Tsinghua Science Park Patentee before: JIANGSU SANYI BUILDING TECHNOLOGY CO., LTD. |