EP2500491B1 - Personenschutzsystem - Google Patents

Personenschutzsystem Download PDF

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Publication number
EP2500491B1
EP2500491B1 EP12155734.2A EP12155734A EP2500491B1 EP 2500491 B1 EP2500491 B1 EP 2500491B1 EP 12155734 A EP12155734 A EP 12155734A EP 2500491 B1 EP2500491 B1 EP 2500491B1
Authority
EP
European Patent Office
Prior art keywords
air
duct
protection system
personal protection
blower
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP12155734.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2500491A1 (de
Inventor
Dietmar Diercks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draeger Safety AG and Co KGaA
Original Assignee
Draeger Safety AG and Co KGaA
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 Draeger Safety AG and Co KGaA filed Critical Draeger Safety AG and Co KGaA
Priority to PL12155734T priority Critical patent/PL2500491T3/pl
Publication of EP2500491A1 publication Critical patent/EP2500491A1/de
Application granted granted Critical
Publication of EP2500491B1 publication Critical patent/EP2500491B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1277—Shelters for decontamination
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/16—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against adverse conditions, e.g. extreme climate, pests
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • F24F2009/005—Use of air currents for screening, e.g. air curtains combined with a door
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/44—Protection from terrorism or theft

Definitions

  • the invention relates to a personal protection system having the features of the preamble of claim 1.
  • a personal protection system with an entrance lock and a lounge is from the DE 35 21 884 C1 known.
  • the known personal protection system also includes a ventilation system including a filter system.
  • Known personal protection systems are designed in such a way that persons entering the entrance lock must remain there until potential contamination has been reduced to a permissible level.
  • an air conveyor system is provided, which flushes through the entrance lock and directs the gas through a noxious gas filter.
  • the degree of contamination can be determined by measuring the concentration of harmful gas in the entrance lock. Only then, if the contamination has been reduced to an acceptable level, the interior may be entered.
  • the entrance lock must be as small as possible, which means that only a few people can be in the entrance lock.
  • This lock principle is not suitable for the disaster with highly toxic gases, as people who want to enter the entrance lock, carry an escape hood, which provides protection only for a very limited time.
  • US 2008/196329 A1 discloses a personal protection system having the features of the preamble of claim 1.
  • an entrance lock and a lounge are provided.
  • the entrance lock has an outer door
  • the lounge has a door opposite the entrance lock.
  • the system is designed so that a person enters the entrance lock, closes the entrance door behind him, then flushes the air out of the entry lock, after which the door to the lounge is opened and can be entered.
  • the invention has for its object to improve a personal protection system in such a way that people can reach the lounge in a short time.
  • the personal protection system according to the invention has in front of the entrance door of the entrance lock an air curtain, which reduces the pollutant entry upon entering the entrance lock.
  • the personal contaminants are reduced to a calculated level during the passage through a high-performance filter device in the lock area. Persons arrive in the recreation room without delay and have to keep respiratory protection there as long as entrained contaminations are indicated. If required, respiratory masks can be put on, which can be supplied for a long period of time from self-sufficient breathing air accumulators.
  • the lounge When all persons have entered the room, the lounge is flushed with breathing air over a high rate of air exchange. After a few minutes, the pollutant concentrations are reduced to an acceptable level, and the respirators can be discontinued.
  • the air in the room is monitored by a gas detector and warned visually and acoustically when exceeding impermissible values. It is not only cleaned by means of a circulating air system and a noxious gas filter, the room air, but it is simultaneously passed by means of an air purifier from air storage fresh air into the interior of the common room to support the flushing by the recirculation system.
  • the respiratory masks which are carried by the people in the lounge, supplied with breathing air.
  • the air curtain system arranged in front of the entrance door of the entrance lock is designed with a closed air screen. This significantly reduces the thermal effect when opening the front door, which is caused by different temperatures. Light wind effects are reduced and slowed down by the invisible air curtain. Hereby the pollutant entry into the entrance lock is strongly reduced. The entry of pollutants occurs when the front door is opened due to thermal influences and contaminations introduced via persons.
  • the amount of pollutants introduced by the persons per time can be determined by a limit value analysis. It is assumed that each person introduces a volume of air corresponding to the body volume into the entrance lock. When thermal effects are eliminated by the air curtain, it can be assumed that only contaminants in the entrance lock have to be removed.
  • the filter system will be designed so that the pollutant concentration in the entrance lock is limited to a predetermined value.
  • the filter unit When a concentration of 400 ppm is reached in the inlet lock, the filter unit removes 4 L / min of harmful gas from the air. This corresponds to the assumed pollutant input.
  • the filter performance is set higher in the actual layout of the system.
  • the permissible room air concentration is 5 ppm.
  • the time can be significantly reduced.
  • the air purge and gas filtration can be used together in parallel and the time for cleaning the common room would be about 12 minutes.
  • This time is used as a minimum time for the design of the breathing system.
  • the actual breathing air capacity is designed so that in case of ineffective restraint systems in the shelter the higher concentrations of pollutants can be cleaned and the persons during the longer cleaning time have the appropriate air available for the mask supply.
  • FIG. 1 schematically illustrates the structure of a personal protection system 1, which has an air curtain 2 in front of an entrance door 3 to an entrance lock 4 and connected to the entrance lock 4 lounge 5. Between the entrance lock 4 and the recreation room 5 there is a passage door 6.
  • the air curtain 2 consists of a first supply air duct 7 with an outlet opening 8, a first return air duct 9 with return air openings 10 and a first blower 11.
  • the blower 11 is connected via a first gas channel 12 to the first supply air duct 7 and the first return air duct 9 and conveys ambient air from the first return air duct 9 to the first supply air duct 7.
  • the air curtain 2 can also be designed in an open design without return air duct.
  • a second blower 18 arranged in the second gas duct 17 conveys the interior air via a first harmful gas filter 19 from the second return air duct 15 to the second supply air duct 13.
  • the second blower duct via the second return air duct 15 aspirated indoor air is purified in the first harmful gas filter 19 and passes as decontaminated air via the second supply air duct 13 back into the interior.
  • the common room 5 has a third supply air duct 20 with outlet openings 21, a third return air channel 22 with inlet openings 23 and a third gas channel 24 with a third blower 26 and a second harmful gas filter 25 for conveying the interior air from the third return air duct 22 to the third supply air duct 20.
  • a breathing air line 27 for non-illustrated respirators.
  • the breathing air line is connected via an air switch panel 28 with a breathing air reservoir 29.
  • a supply line 30 extends from the air switch panel 28 via a silencer 31 to the third supply air duct 20.
  • the third supply air duct 20 is thus supplied both via the third blower 26 and via the breathing air reservoir 29 with gas, so that residual contamination both via the air circulation system and over Air from the breathing air reservoir 29 are flushed out of the lounge 5. Excess gas is discharged via a spring-loaded pressure relief valve 32 from the common room 5.
  • the pressure relief valve 32 is adjusted so that in the recreation room 5 always such an interior pressure prevails, which prevents the ingress of noxious gases from the environment.
  • FIG. 1 illustrates a first alternative personal protection system 40, in which, compared with the personal protection system 1 according to FIG. 1 , a common harmful gas filter 41 is used for filtering the indoor air in the entrance lock 4 and in the recreation room 5.
  • a switching valve 42 in the second gas channel 17 between the second fan 18 and the second supply air duct 13 and the muffler 31 is provided.
  • the second blower 18 is connected to the muffler 31 and the conveyed air passes through the muffler 31 in the third supply air duct 20.
  • the third return air duct 22 is connected via a fourth gas passage 44 with a discharge valve 43 designed as a pressure relief valve, which opens into the input lock 4.
  • the first alternative personal protection system 40 is characterized by a particularly rapid infiltration of persons into the recreation room 5. The persons pass through the entrance lock 4 and enter the common room 5. The switching valve 42 is initially in the first switching position and then in the second switching position transferred. The air circulation then takes place via the silencer 31 into the third supply air duct 20 and from the third return air duct 22, the fourth gas duct 44 and the outflow valve 43 into the input lock 4, where the room air is sucked in via the second return air duct 15. Air purge within the lounge 5 reduces entrained contaminants to a specified limit. Compared to the personal protection system 1 after the FIG. 1 In the first alternative personal protection system 40, a filter system is saved.
  • FIG. 3 shows a second alternative personal protection system 50, in which compared to the first alternative personal protection system 40 after FIG. 2 the air entering the common room 5 via the third supply air duct 20 is not collected in a return air duct, but is discharged directly into the intake lock 4 via the fourth gas duct 44 and the outflow valve 43.
  • This air duct can be selected if a targeted air return via the third return air duct 22 is required for air purification. This also increases the usable area in the lounge 5, since no return air duct must be installed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pest Control & Pesticides (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
EP12155734.2A 2011-03-16 2012-02-16 Personenschutzsystem Not-in-force EP2500491B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12155734T PL2500491T3 (pl) 2011-03-16 2012-02-16 System ochrony osób

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011014104A DE102011014104B3 (de) 2011-03-16 2011-03-16 Personenschutzsystem

Publications (2)

Publication Number Publication Date
EP2500491A1 EP2500491A1 (de) 2012-09-19
EP2500491B1 true EP2500491B1 (de) 2015-07-08

Family

ID=45655927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12155734.2A Not-in-force EP2500491B1 (de) 2011-03-16 2012-02-16 Personenschutzsystem

Country Status (4)

Country Link
US (1) US9243417B2 (pl)
EP (1) EP2500491B1 (pl)
DE (1) DE102011014104B3 (pl)
PL (1) PL2500491T3 (pl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019700B3 (de) 2012-10-06 2014-03-06 Dräger Safety AG & Co. KGaA Personenschutzsystem
DE102012019699B4 (de) 2012-10-06 2016-12-22 Dräger Safety AG & Co. KGaA Personenschutzsystem und Verfahren zum Betrieb eines Personenschutzsystems
EP2981299B1 (en) * 2013-04-01 2019-06-26 Steris, Inc. Transportable vacuum assisted decontamination unit and decontamination process
MX382538B (es) 2013-06-26 2025-03-13 Momentive Performance Mat Gmbh Composicion de recubrimiento fotocurable y su uso.
CN105332537B (zh) * 2015-11-30 2017-09-22 天津森罗科技股份有限公司 一种气密空间安全保护系统
FR3055044B1 (fr) * 2016-08-09 2020-01-24 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede et installation de controle de la qualite de l’air dans un etablissement recevant du public
CN111637617A (zh) * 2020-06-24 2020-09-08 深圳市巨鼎医疗设备有限公司 负压隔离病房的控制方法、系统、设备和存储介质
CN113932359A (zh) * 2021-09-22 2022-01-14 青岛海尔空调器有限总公司 消毒风机组件、方法及装置
EP4600573A1 (de) * 2024-02-06 2025-08-13 Franz Ziel GmbH Isolator mit belüftungsanordnung, und verfahren zum belüften des arbeitsbereichs eines isolators

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521884C1 (de) * 1985-06-19 1986-10-09 Bauer, Hans-Christian, 5411 Sessenbach Innenschalung für einen Personenschutzraum
DE3925941A1 (de) * 1989-08-02 1991-02-07 Manfred Ruediger Weinholz Luftschleuse fuer kontaminierte luft
DE3927673A1 (de) * 1989-08-22 1991-02-28 Philipp Prof Dr Katz Vorrichtung zur schaffung eines reinraumes
KR100197900B1 (ko) * 1996-07-24 1999-06-15 윤종용 반도체 청정실용의 공기조화시스템
JP2004085147A (ja) * 2002-08-29 2004-03-18 Koken Ltd シェルター
US8007047B2 (en) * 2006-02-27 2011-08-30 Kennedy Metal Products & Buildings, Inc. Mine refuge
US20080311842A1 (en) * 2007-06-15 2008-12-18 Glacier Bay, Inc. HVAC air distribution system

Also Published As

Publication number Publication date
US9243417B2 (en) 2016-01-26
DE102011014104B3 (de) 2012-06-21
PL2500491T3 (pl) 2015-12-31
EP2500491A1 (de) 2012-09-19
US20120233923A1 (en) 2012-09-20

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