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CN105042222A - Static electricity preventing method of foam gun - Google Patents

Static electricity preventing method of foam gun Download PDF

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Publication number
CN105042222A
CN105042222A CN201510495860.1A CN201510495860A CN105042222A CN 105042222 A CN105042222 A CN 105042222A CN 201510495860 A CN201510495860 A CN 201510495860A CN 105042222 A CN105042222 A CN 105042222A
Authority
CN
China
Prior art keywords
antistatic
static
lining layer
flax
static conductive
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.)
Pending
Application number
CN201510495860.1A
Other languages
Chinese (zh)
Inventor
李义鹏
孙立富
刘全桢
宫宏
孟鹤
李亮亮
张云朋
刘娟
胡海燕
张婷婷
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.)
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
Original Assignee
China Petroleum and Chemical Corp
Sinopec Qingdao Safety Engineering Institute
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 China Petroleum and Chemical Corp, Sinopec Qingdao Safety Engineering Institute filed Critical China Petroleum and Chemical Corp
Priority to CN201510495860.1A priority Critical patent/CN105042222A/en
Publication of CN105042222A publication Critical patent/CN105042222A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F16L11/127Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C33/00Hose accessories
    • A62C33/06Hose or pipe bridges
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges
    • H05F3/02Carrying-off electrostatic charges by means of earthing connections

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a static electricity preventing method of a foam gun, and mainly solves the problem of incapability of removing static electricity of the foam gun in the prior art. The static electricity preventing method of the foam gun uses an antistatic firefighting hose to realize the antistatic performance of the foam gun; the firefighting hose consists of a static conducting rubber lining layer and an antistatic flax braid layer; the antistatic flex braid layer is wrapped at the outer side of the static conducting rubber lining layer; the static conducting rubber lining layer consists of a rubber material and a static conducting material; the volume resistivity of the rubber lining layer is lower than 106 omega.m; the antistatic flax braid layer consists of a flax braided fabric and an electric conducting fiber; and the unit volume resistivity of the antistatic flax braid layer is within 106-108 omega.m. The static electricity preventing method of the foam gun preferably solves the problem, and can be applied to the static electricity prevention of the foam gun.

Description

Foam nozzle anti-static method
Technical field
The present invention relates to a kind of foam nozzle anti-static method.
Background technique
Fire-fighting foams is used to fire extinguishing or frpf, few people considered the electrostatic risk of fire-fighting foams itself in the past, but abroad some accident suspects that therefore the electrostatic problem of fire-fighting foams causes the concern of electrostatic expert by the electrostatic initiation produced in foam coverage process.
CN201020225202.3 relates to a kind of fire-extinguisher water hose, comprise lining and hose carcase, it is characterized in that the folding position of described hose carcase both sides is provided with the stiffening rib of one with it, described stiffening rib is genesis analysis, and the hose carcase between described stiffening rib is provided with a tag line.But this patent just highlights the wear-resisting property of fire-extinguisher water hose
Correlation test shows, foam is after the ejection of fire gun head, and electrostatic belt electricity is very high, and therefore the electrostatic how reduced in foam becomes crucial.The present invention solves this problem targetedly.
Summary of the invention
Technical problem to be solved by this invention to eliminate the problem of foam nozzle electrostatic in prior art, provides a kind of new foam nozzle anti-static method.The method is used for, in foam nozzle antistatic, having the advantage can eliminating foam nozzle electrostatic.
For solving the problem, the technical solution used in the present invention is as follows: a kind of foam nozzle anti-static method, by using antistatic fire-extinguisher water hose, achieve the antistatic performance of foam nozzle, described fire-extinguisher water hose is made up of static conductive elastometric lining layer and antistatic flax braid, and described antistatic flax braid is wrapped in outside static conductive elastometric lining layer; Described static conductive elastometric lining layer is made up of rubber material and conducting electrostatic materials, and the volume resistivity of elastometric lining layer is less than 10 6Ω m; Described antistatic flax braid is made up of flax braided fabric and conductive fiber, and the per unit volume specific resistance of antistatic flax braid is 10 6Ω m ~ 10 8between Ω m; The inwall of described fire-extinguisher water hose mouth of pipe place static conductive elastometric lining layer is provided with static conductive ring, static conductive ring is connected with earth electrode, described earth electrode is through static conductive elastometric lining layer and antistatic flax braid.
In technique scheme, preferably, described conducting electrostatic materials are carbon black, metallic oxide or conductive mica powder.
In technique scheme, preferably, described conductive fiber is steel fiber or carbon fiber.
In technique scheme, preferably, described static conductive ring, thickness is 1.5mm to 2.5mm, and its outer wall surface is long-pending is greater than 20cm 2.
The present invention mixes conducting electrostatic materials in the rubber of static conductive elastometric lining layer, and conductive fiber is mixed in antistatic flax braid, fire-extinguisher water hose is made to have the function of antistatic, static conductive ring achieves the good contact of fire-extinguisher water hose and fire-fighting joint or fire gun head, earth electrode achieves the good earth of fire-extinguisher water hose, such bubble jet goes out in process, foam and the fricative electrostatic of elastometric lining can pass through static conductive elastometric lining layer, antistatic flax braid, static conductive ring, earth electrode realizes releasing over the ground, or by static conductive elastometric lining layer, antistatic flax braid, the ground contacted with flax braid realizes releasing over the ground, avoid gathering of foam electrostatic.Electrostatic simultaneously entrained by human body also can realize releasing over the ground by antistatic flax braid, static conductive ring, earth electrode, avoids static electricity on human body's risk, achieves good technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the method for the invention.
In Fig. 1,1 is static conductive elastometric lining layer; 2 is antistatic flax braid; 3 is static conductive ring; 4 is earth electrode.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Embodiment
[embodiment 1]
As shown in Figure 1, a kind of method of foam nozzle antistatic, by using antistatic fire-extinguisher water hose, achieve the antistatic performance of foam nozzle, described fire-extinguisher water hose is made up of static conductive elastometric lining layer 1 and antistatic flax braid 2, and described antistatic flax braid 2 is wrapped in outside static conductive elastometric lining layer 1; Described static conductive elastometric lining layer 1 is made up of rubber material, mixes conducting electrostatic materials carbon black, make it have the function of antistatic in rubber material, and its volume resistivity is 10 4Ω m, if the conducting electrostatic materials mixed in rubber material are metallic oxides, the volume resistivity of static conductive elastometric lining layer 1 is 10 5Ω m; Described antistatic flax braid 2 is woven by flax and forms, and carbon fiber in flax braided fabric, makes it have antistatic performance, and the per unit volume specific resistance of antistatic flax braid 2 of fire-extinguisher water hose outside is 10 7Ω m ~ 10 8between Ω m, if what mix in flax is steel fiber, so the per unit volume specific resistance of antistatic flax braid 2 is 10 6Ω m ~ 10 7between Ω m; The inwall of described fire-extinguisher water hose mouth of pipe place static conductive elastometric lining layer 1 is provided with static conductive ring 3, and the thickness of static conductive ring is 1.5mm, and its outer wall surface is amassed as 30cm 2, static conductive ring 3 is connected with earth electrode 4, described earth electrode is through static conductive elastometric lining layer and antistatic flax braid, and earth electrode 4 and static conductive elastometric lining 1 good contact, area of contact is greater than 30cm 2.
Conducting electrostatic materials are mixed in the rubber of static conductive elastometric lining layer 1, and, conductive fiber is mixed in antistatic flax braid 2, it is the function making fire-extinguisher water hose have antistatic, static conductive ring 3 achieves the good contact of fire-extinguisher water hose and fire-fighting joint or fire gun head, and earth electrode 4 achieves the good earth of fire-extinguisher water hose.Such bubble jet goes out in process, foam and the fricative electrostatic of elastometric lining can realize releasing over the ground by static conductive elastometric lining layer 1, antistatic flax braid 2, static conductive ring 3, earth electrode 4, or realize releasing over the ground by static conductive elastometric lining layer 1, antistatic flax braid 2, the ground that contacts with flax braid, avoid gathering of foam electrostatic.Electrostatic simultaneously entrained by human body also can realize releasing over the ground by antistatic flax braid 2, static conductive ring 3, earth electrode 4, avoids static electricity on human body's risk.
[embodiment 2]
According to the condition described in embodiment 1, just the thickness of static conductive ring is 2.5mm.
[embodiment 2]
According to the condition described in embodiment 1, just the thickness of static conductive ring is 2.0mm.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.

Claims (4)

1. a foam nozzle anti-static method, by using antistatic fire-extinguisher water hose, achieve the antistatic performance of foam nozzle, described fire-extinguisher water hose is made up of static conductive elastometric lining layer and antistatic flax braid, and described antistatic flax braid is wrapped in outside static conductive elastometric lining layer; Described static conductive elastometric lining layer is made up of rubber material and conducting electrostatic materials, and the volume resistivity of elastometric lining layer is less than 10 6Ω m; Described antistatic flax braid is made up of flax braided fabric and conductive fiber, and the per unit volume specific resistance of antistatic flax braid is 10 6Ω m ~ 10 8between Ω m; The inwall of described fire-extinguisher water hose mouth of pipe place static conductive elastometric lining layer is provided with static conductive ring, static conductive ring is connected with earth electrode, described earth electrode is through static conductive elastometric lining layer and antistatic flax braid.
2. foam nozzle anti-static method according to claim 1, is characterized in that described conducting electrostatic materials are carbon black, metallic oxide or conductive mica powder.
3. foam nozzle anti-static method according to claim 1, is characterized in that described conductive fiber is steel fiber or carbon fiber.
4. foam nozzle anti-static method according to claim 1, is characterized in that the thickness of described static conductive ring is 1.5mm to 2.5mm, and its outer wall surface is long-pending is greater than 20cm 2.
CN201510495860.1A 2015-08-13 2015-08-13 Static electricity preventing method of foam gun Pending CN105042222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510495860.1A CN105042222A (en) 2015-08-13 2015-08-13 Static electricity preventing method of foam gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510495860.1A CN105042222A (en) 2015-08-13 2015-08-13 Static electricity preventing method of foam gun

Publications (1)

Publication Number Publication Date
CN105042222A true CN105042222A (en) 2015-11-11

Family

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Family Applications (1)

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CN201510495860.1A Pending CN105042222A (en) 2015-08-13 2015-08-13 Static electricity preventing method of foam gun

Country Status (1)

Country Link
CN (1) CN105042222A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106310573A (en) * 2016-08-31 2017-01-11 安徽亿龙新能源有限公司 Electric-shock preventing fire-fighting device and electric-shock preventing fire hose

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2547990Y (en) * 2002-06-26 2003-04-30 李忠利 Self-heating antistatic oil hose
US20050051226A1 (en) * 2003-08-08 2005-03-10 Dyna-Flex, Inc. High pressure flexible hose
CN201799039U (en) * 2010-09-28 2011-04-20 天津龙盛世博安全设备有限公司 Novel fire-fighting foam gun
JP2013154014A (en) * 2012-01-31 2013-08-15 Yokoi Seisakusho:Kk Mobile powder fire-extinguishing facility
CN104399217A (en) * 2014-10-22 2015-03-11 中国石油化工股份有限公司 Antistatic fire-fighting water hose

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2547990Y (en) * 2002-06-26 2003-04-30 李忠利 Self-heating antistatic oil hose
US20050051226A1 (en) * 2003-08-08 2005-03-10 Dyna-Flex, Inc. High pressure flexible hose
CN201799039U (en) * 2010-09-28 2011-04-20 天津龙盛世博安全设备有限公司 Novel fire-fighting foam gun
JP2013154014A (en) * 2012-01-31 2013-08-15 Yokoi Seisakusho:Kk Mobile powder fire-extinguishing facility
CN104399217A (en) * 2014-10-22 2015-03-11 中国石油化工股份有限公司 Antistatic fire-fighting water hose

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106310573A (en) * 2016-08-31 2017-01-11 安徽亿龙新能源有限公司 Electric-shock preventing fire-fighting device and electric-shock preventing fire hose
CN106310573B (en) * 2016-08-31 2019-07-26 安徽亿龙新能源有限公司 A kind of protection against electric shock fire plant and a kind of protection against electric shock fire hose

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218

Applicant after: Sinopec Corp.

Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd.

Address before: 100728 Chaoyangmen street, Beijing, No. 22, No.

Applicant before: Sinopec Corp.

Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd.

COR Change of bibliographic data
RJ01 Rejection of invention patent application after publication

Application publication date: 20151111

RJ01 Rejection of invention patent application after publication