WO2013065407A1 - 集塵装置および集塵装置における火災検出方法 - Google Patents

集塵装置および集塵装置における火災検出方法 Download PDF

Info

Publication number
WO2013065407A1
WO2013065407A1 PCT/JP2012/073403 JP2012073403W WO2013065407A1 WO 2013065407 A1 WO2013065407 A1 WO 2013065407A1 JP 2012073403 W JP2012073403 W JP 2012073403W WO 2013065407 A1 WO2013065407 A1 WO 2013065407A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
fire
filter
dust collector
detection sensor
Prior art date
Application number
PCT/JP2012/073403
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
鈴木　崇
佳範 入谷
雅範 内田
功 斎藤
Original Assignee
新東工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新東工業株式会社 filed Critical 新東工業株式会社
Priority to CN201280044542.8A priority Critical patent/CN103813834B/zh
Priority to JP2013541670A priority patent/JP6024925B2/ja
Publication of WO2013065407A1 publication Critical patent/WO2013065407A1/ja

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0091—Including arrangements for environmental or personal protection
    • B01D46/0093—Including arrangements for environmental or personal protection against fire or explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • 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
    • A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys

Definitions

  • the present invention relates to a dust collector and a fire detection method in the dust collector, and in particular, when a fire occurs inside the dust collector, the dust collector and the collector capable of quickly and reliably detecting the fire.
  • the present invention relates to a fire detection method in a dust device.
  • a fire may occur inside.
  • a device that removes sparks, etc. is provided in front of the dust collector, or a sensor that detects sparks is provided to stop the dust collector when a spark is detected. Measures are taken.
  • a method for detecting a fire occurring in the dust collector a method using a sensor is generally used.
  • a temperature sensor for detecting the temperature in the dust collector or a smoke sensor is used.
  • the smoke sensor has a photoelectric sensor arranged in the detection section, but the sensitivity of the photoelectric sensor is lowered even if it is a little dirty. For this reason, in order to operate a smoke sensor normally, it is necessary to clean a detection part regularly. As a result, the smoke sensor has a problem that it takes time and effort for maintenance.
  • Patent Document 1 a dust collector using a temperature sensor and a smoke sensor is also known.
  • Patent Document 1 a dust collector using a temperature sensor and a smoke sensor.
  • the present invention solves the above-described problems of the prior art, and provides a dust collector that can quickly and reliably detect a fire when a fire occurs inside, and a fire detection method in the dust collector. For the purpose.
  • a dust collector that separates the dust from the dust-containing air by sucking dust-containing air containing dust with a blower and passing through a filter, A dusty air chamber into which the sucked dusty air is introduced; and A clean air chamber into which clean air separated from the dust-containing air chamber by the isolation means including the filter and filtered by the filter is introduced; A dust detection sensor disposed on the clean air chamber side, The dust collector characterized by this is provided.
  • the dust collector configured as described above, if the dust collector is normal, no dust is present in the clean air chamber located on the downstream side of the filter. However, when a fire occurs in the dust collector, the filter burns out due to the fire, and dust flows into the clean air chamber on the downstream side of the filter.
  • the dust detection sensor arranged on the air cleaning chamber side
  • the dust detection sensor is a sensor that detects dust by any one method selected from a friction charge method, a light scattering method, and a light transmission method.
  • the dust detection sensor is a sensor that detects filter soot burned out in a fire or dust captured by the filter.
  • the dust collector comprises an exhaust duct connected to an outlet for discharging filtered air;
  • the dust detection sensor is disposed in the exhaust duct.
  • the blower is disposed in the clean air chamber;
  • the dust detection sensor is attached to the blower.
  • the dust collector includes display means for displaying fire detection by the dust detection sensor, or alarm means that is activated by fire detection by the dust detection sensor.
  • a method for detecting a fire in a dust collector that separates the dust from the dust-containing air by sucking dust-containing air containing dust with a blower and passing through a filter, By detecting dust with a dust detection sensor placed in a clean air chamber isolated from a dust-containing air chamber into which dust-containing air containing dust is introduced by the partition including the filter, a fire in the dust collector can be prevented.
  • a fire detection method is provided.
  • the operation of the dust collector is stopped and an inert gas is blown into the device.
  • Such a configuration provides a dust collector that can quickly and reliably detect a fire when a fire occurs inside, and a fire detection method in the dust collector.
  • FIG. 1 is a schematic drawing of a dust collector 1 having a fire detection function of an embodiment.
  • the dust collector 1 includes a housing 6 in which a blower 2 and a filter 4 are accommodated.
  • a cell plate 8 that divides the internal space of the housing 6 into two is provided.
  • the peripheral edge of the cell plate 8 is connected to the inner wall surface of the housing 6 in an airtight state.
  • the space 10 on the lower side of the cell plate 8 accommodates the filter 4 and communicates with the external space through the intake port 12 and the intake duct 14 attached to the intake port 12.
  • the space 16 above the cell plate 8 accommodates the blower 2 and communicates with the external space by the exhaust port 18 and the exhaust duct 20 attached to the exhaust port 18.
  • the filter 4 is a cylindrical filter made of a flammable material such as paper or cloth, and its upper end is connected to an opening formed in the cell plate 8 in an airtight state. It is arranged so as to hang down in the space 10 below the cell plate 8.
  • the space 10 on the lower side of the cell plate 8 and the space 16 on the upper side of the cell plate 8 are hermetically separated by the separating means constituted by the filter 4 and the cell plate 8.
  • the cylindrical filter 4 has an outer peripheral surface facing the space 10 on the lower side of the cell plate 8 and a space on the inner peripheral surface side communicating with the space 16 on the upper side of the cell plate 8.
  • the dust-containing air which is the outside air containing dust
  • FIG. 12 is introduced into the space 10 below the cell plate 8 through 12
  • the filter 4 passes through the filter 4 from the outer peripheral surface side to the inner peripheral surface side and is filtered by the filter 4 as indicated by an arrow B.
  • the filtered clean air passes through the blower outlet 2a from the inner space of the filter 4 and is introduced into the space 16 above the cell plate 8, and finally, the arrow D
  • the air is discharged out of the dust collector 1 through the exhaust port 18 and the exhaust duct 20.
  • the space 10 below the cell plate 8 becomes the dust-containing air chamber 10 into which dust-containing air containing dust is introduced, and the clean intake air in which the space 16 above the cell plate 8 is filtered by the filter 4 is introduced.
  • the clean air chamber 16 is made.
  • the dust collector 1 includes a dust detection sensor 24 disposed in the exhaust duct 20.
  • the dust detection sensor 24 can detect the burnt filter 4 trapped in the clean air chamber 16 or dust trapped by the filter 4. It is a sensor of a method such as a triboelectric charge method, a light scattering method, or a light transmission method.
  • the friction detection type dust detection sensor 26 which is an example of the dust detection sensor 24, generates charge movement when solid particles contained in the exhaust gas flow contact or pass through the detection probe 26 a. You are taking advantage of that. Then, this charge amount is converted into a current signal, and an instrumentation signal of DC 4 to 20 mA proportional to the dust amount is output. In recent years, this type of sensor has been extremely miniaturized and has excellent maintainability and cost performance.
  • the light scattering type dust detection sensor 28 which is an example of the dust detection sensor 24, emits a laser beam from the light projecting unit 28 a, and when the dust entering from the opening 28 b crosses the laser beam, The fact that the laser beam is dispersed is utilized.
  • the dispersed light is introduced into the light receiving unit 28c, the intensity of the dispersed light is measured, and the dust concentration is measured by the intensity of the dispersed light.
  • the light transmission type dust detection sensor 30, which is an example of the dust detection sensor 24, reflects the light beam emitted from the light projector / receiver 30 a by the reflector 30 b and further receives the light by the light projector / receiver 30 a. It is the structure to do. When dust enters the light path, the light is absorbed and dispersed by the dust and attenuated. The dust detection sensor 30 detects the dust concentration from the correlation between the attenuation rate of the reflected light and the dust concentration. In addition, the sensitivity fall by sensor dirt can be suppressed by installing a transparent plate between the dust passage part of the light projector / receiver 30a and the reflector 30b.
  • the filter 4 or immediately upstream and downstream sides are damaged by a flame at an initial stage.
  • the dust in the dust-containing air chamber 10 of the dust collector 1 and the filter 4 become initial combustion products.
  • the filter 4 burns out and a hole is opened in the filter 4.
  • dust that has adhered to the filter surface, burnt soot of the filter 4, etc. flows into the clean air chamber 16 where no dust exists from the hole formed in the filter 4.
  • Such a method using a dust detection sensor does not require much time for detection like a temperature sensor by detecting minute dust leakage due to filter breakage or burning filter 4 soot. Further, the detection sensitivity is less likely to be dull due to dust contact.
  • a fire is detected by the dust detection sensor 24, the occurrence of fire is displayed on a display means 36 such as a display connected via a controller 34, and an alarm means 38 such as a buzzer or bell is used. An alarm may be generated.
  • the operation of the dust collector is stopped, and an inert gas such as N 2 gas or CO 2 gas is introduced into the dust collector 1 to prevent the spread of fire. preferable.
  • FIG. 6 is a drawing similar to FIG. 1 showing the configuration of the dust collector 40 of the second embodiment of the present invention.
  • the dust collector 40 of the second embodiment has the same configuration as the dust collector 1 of the first embodiment except for the set position of the dust detection sensor 42. Therefore, only the differences will be described below.
  • the dust detection sensor 42 is disposed immediately downstream of the blower outlet 2a.
  • the impeller blade 2 ′ rotates around the rotation axis extending in the vertical direction in the direction indicated by the arrow B, and sucks outside air from the intake duct 14 as indicated by the arrow A, Exhaust is performed in the direction indicated by the arrow C from the blower outlet 2a extending horizontally in the tangential direction of the rotating impeller blade 2 '.
  • the dust detection sensor 42 is attached to the radially outward position of the blower outlet 2a extending horizontally in the tangential direction of the rotating impeller blade 2 '.
  • a friction charge sensor is used as the dust detection sensor 42.
  • FIG. 8 is a drawing similar to FIG. 1 of the dust collector 50 used in the experiment.
  • the basic configuration of the dust collector 50 is the same as that of the dust collector 40 of the second embodiment, but in addition to the dust detection sensor 42 provided immediately downstream of the blower outlet 2a, temperature sensors 52 and 54 are provided. This is different from the dust collector 40 in that it is attached to the blower inlet and the blower outlet 2a.
  • a fire experiment was performed using such a dust collector 50.
  • the operating conditions of the dust collector 50 are a suction air volume of 30 m 3 / min, a filtration area of 36 m 3 and a filtration speed of 0.83 m / min.
  • the filter 4 is ignited to generate a fire and dust Outputs from the detection sensor 42 and the temperature sensors 52 and 54 were recorded by a data logger.
  • the temperature sensor 52 measured the blower inlet temperature
  • the temperature sensor 54 measured the blower outlet temperature.
  • the temperature detection results of the temperature sensors 52 and 54 are shown in FIG.
  • the dust detection sensor 42 can detect dust in about 1 second after ignition and detect a fire, and its superiority is clear.
  • this invention is not limited to the dust collector of embodiment mentioned above, It can apply widely to the dust collector provided with the combustible filter.
  • Dust collector 2 Blower 4: Filter 6: Housing 8: Cell plate 10: Dust-containing air chamber 16: Clean air chamber 18: Exhaust port 20: Exhaust duct 24: Dust detection sensor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
PCT/JP2012/073403 2011-11-01 2012-09-13 集塵装置および集塵装置における火災検出方法 WO2013065407A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280044542.8A CN103813834B (zh) 2011-11-01 2012-09-13 集尘装置及集尘装置的火灾检测方法
JP2013541670A JP6024925B2 (ja) 2011-11-01 2012-09-13 集塵装置および集塵装置における火災検出方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011239916 2011-11-01
JP2011-239916 2011-11-01
JP2012-121483 2012-05-29
JP2012121483 2012-05-29

Publications (1)

Publication Number Publication Date
WO2013065407A1 true WO2013065407A1 (ja) 2013-05-10

Family

ID=48191765

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/073403 WO2013065407A1 (ja) 2011-11-01 2012-09-13 集塵装置および集塵装置における火災検出方法

Country Status (3)

Country Link
JP (1) JP6024925B2 (zh)
CN (1) CN103813834B (zh)
WO (1) WO2013065407A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478217A (zh) * 2016-01-06 2016-04-13 广东金方圆安全技术检测有限公司 粮食、饲料及颗粒粉料粉碎设备粉尘防爆保护系统
CN109682625A (zh) * 2018-12-26 2019-04-26 东莞市宇洁新材料有限公司 一种稳定的空气净化器测试设备
WO2019111469A1 (ja) * 2017-12-07 2019-06-13 新東工業株式会社 集塵装置および集塵装置におけるフィルタの破損検出方法
CN110533870A (zh) * 2019-07-05 2019-12-03 国网浙江省电力有限公司嘉兴供电公司 一种基于物联网的火情探测报警装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643149B (zh) * 2017-09-18 2019-11-08 北京奥本中仪自控工程有限公司 一种除尘器袋漏定位及故障诊断系统
US20220226936A1 (en) * 2019-06-11 2022-07-21 Honda Motor Co., Ltd. Housing and handling method for processing device
CN115147992B (zh) * 2022-06-27 2024-06-18 海天消防科技股份有限公司 一种锂离子电池储能电站火灾防护用自动监测报警装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209721A (ja) * 1987-02-27 1988-08-31 Amano Corp 電子集塵機
JPH01164415A (ja) * 1987-08-13 1989-06-28 Gpac Inc 気動・ろ過装置用の火災状態検出・制御装置
JPH10339426A (ja) * 1997-06-09 1998-12-22 Muramatsu Fuusou Setsubi Kogyo Kk バッグフィルタの熱傷の間接検出装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814931U (ja) * 1981-07-21 1983-01-29 アマノ株式会社 集塵機の火災防止装置
JPH0213062Y2 (zh) * 1984-11-26 1990-04-11
JPH0566004A (ja) * 1991-09-06 1993-03-19 Kobe Steel Ltd 廃棄物溶融炉の運転制御方法及び装置
JPH1164415A (ja) * 1997-08-26 1999-03-05 Hitachi Cable Ltd 電力ケーブルの蓄積空間電荷分布測定方法
US7887623B2 (en) * 2005-04-18 2011-02-15 Sintokogio Ltd. Apparatus for collecting smoke and dust with a deodorizing function and a deodorizing and filtering unit
TW200922678A (en) * 2007-09-26 2009-06-01 Sintokogio Ltd Cartridge-filter type dust collector, and method for removing cartridge filter from the cartridge-filter type dust collector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209721A (ja) * 1987-02-27 1988-08-31 Amano Corp 電子集塵機
JPH01164415A (ja) * 1987-08-13 1989-06-28 Gpac Inc 気動・ろ過装置用の火災状態検出・制御装置
JPH10339426A (ja) * 1997-06-09 1998-12-22 Muramatsu Fuusou Setsubi Kogyo Kk バッグフィルタの熱傷の間接検出装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478217A (zh) * 2016-01-06 2016-04-13 广东金方圆安全技术检测有限公司 粮食、饲料及颗粒粉料粉碎设备粉尘防爆保护系统
WO2019111469A1 (ja) * 2017-12-07 2019-06-13 新東工業株式会社 集塵装置および集塵装置におけるフィルタの破損検出方法
CN109682625A (zh) * 2018-12-26 2019-04-26 东莞市宇洁新材料有限公司 一种稳定的空气净化器测试设备
CN110533870A (zh) * 2019-07-05 2019-12-03 国网浙江省电力有限公司嘉兴供电公司 一种基于物联网的火情探测报警装置

Also Published As

Publication number Publication date
CN103813834B (zh) 2016-04-06
JPWO2013065407A1 (ja) 2015-04-02
CN103813834A (zh) 2014-05-21
JP6024925B2 (ja) 2016-11-16

Similar Documents

Publication Publication Date Title
JP6024925B2 (ja) 集塵装置および集塵装置における火災検出方法
CN101201315B (zh) 探针
TWI437514B (zh) Smoke sensor
CN102054324B (zh) 火灾传感器和检测火灾的方法
EP2500883B1 (en) High sensitivity and high false alarm immunity optical smoke detector
JP5540085B2 (ja) ガス検出装置
KR101069042B1 (ko) 유동체가 제1 속도로 통과하여 흐르는 입구를 갖는 입자탐지기를 위한 챔버 구성
TWI437513B (zh) 煙偵測器及其採樣空氣供應方法
JP4338220B2 (ja) フィルター保全性モニターシステム
TWI775950B (zh) 集塵裝置及集塵裝置之濾網之破損檢測方法
US20140124224A1 (en) Fire protection system for air cleaning system
GB2450038A (en) Aerosol particle sensor with axial fan
JP2019070992A (ja) 火災警報装置
JP2008234416A (ja) 煙感知器
WO2022210256A1 (ja) 煙感知器
KR100267833B1 (ko) 광학식 감지장치
JP3786245B2 (ja) 燃焼装置
JPH08206540A (ja) 空気清浄器
JP2756991B2 (ja) 火災警報装置
JPH04155131A (ja) 排煙装置
DK179567B1 (en) Wet / dry vacuum cleaner comprising a dust detection module
JPH063513Y2 (ja) ダクト用火災検出装置
TW202307797A (zh) 偵煙感測器
JP2754878B2 (ja) 排煙装置
KR20190112694A (ko) 연기감지기의 클리너장치

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201280044542.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12846395

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013541670

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12846395

Country of ref document: EP

Kind code of ref document: A1