CN105641841A - Silencing device - Google Patents

Silencing device Download PDF

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Publication number
CN105641841A
CN105641841A CN201610049477.8A CN201610049477A CN105641841A CN 105641841 A CN105641841 A CN 105641841A CN 201610049477 A CN201610049477 A CN 201610049477A CN 105641841 A CN105641841 A CN 105641841A
Authority
CN
China
Prior art keywords
hush pipe
silencing means
outer sleeve
fluid passage
internal
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
CN201610049477.8A
Other languages
Chinese (zh)
Inventor
谢辉平
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.)
VTI FIRE FIGHTING EQUIPMENT (SHANGHAI) Co Ltd
Original Assignee
VTI FIRE FIGHTING EQUIPMENT (SHANGHAI) Co Ltd
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 VTI FIRE FIGHTING EQUIPMENT (SHANGHAI) Co Ltd filed Critical VTI FIRE FIGHTING EQUIPMENT (SHANGHAI) Co Ltd
Priority to CN201610049477.8A priority Critical patent/CN105641841A/en
Publication of CN105641841A publication Critical patent/CN105641841A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The invention discloses a silencing device. The silencing device is connected with a fire-extinguishing system and comprises a silencing cylinder and an internal sound-absorbing material, wherein a fluid passage is arranged inside the silencing cylinder, an upper opening communicating the fluid passage and the outside is formed in the top end of the silencing cylinder, a lower opening communicating the fluid passage and the outside is formed in the bottom end of the silencing cylinder, and the fluid passage is filled with the internal sound-absorbing material; the fire-extinguishing system comprises a fire-extinguishing agent and a nozzle for releasing the fire-extinguishing agent, and the nozzle is inserted into the upper opening and connected with the silencing cylinder, so that the fire-extinguishing agent enters the fluid passage along the nozzle. The silencing device has the advantages and the beneficial effects as follows: noise produced by the nozzle during release of the fire-extinguishing agent is absorbed, so that the condition of data loss caused by damage caused by the noise to discs or hard disk drives of computers is avoided, and the silencing device has the significant effect and important significance in data security of data centers, particularly some industries having larger influence on national economy or industries having larger-scale data centers, such as bank industries, communication industries and the like.

Description

A kind of silencing means
Technical field
The present invention relates to fire-fighting domain, particularly to a kind of silencing means.
Background technology
Fire-fighting work in the industry such as bank, communication mainly uses gas extinguishing system to realize, gas extinguishing system refers to that extinguishing chemical is stored in pressure vessel with liquid, liquid gas or gaseous state at ordinary times, using gaseous state injection as the fire extinguishing system of firing-fighting medium during fire extinguishing; And recent years, all occurred both at home and abroad, because gas extinguishing system release by mistake, causing the disk of data center or the situation of the badly damaged even loss of data of hard disk, result in very big economic loss.
Summary of the invention
In order to solve the problems referred to above, the present invention provides a kind of silencing means. The technical program is by internal sound-absorbing material, outside sound-absorbing material, internal bloop and outside bloop absorption nozzle produced noise when discharging extinguishing chemical, to avoid noise to cause damage to cause the situation of loss of data disk or the hard disk of computer, therefore for data center, more especially national economy is affected relatively big or data center larger industry, the data safety of the such as industry such as bank, communication, has significant effect and significance.
A kind of silencing means in the present invention, it is connected with fire-fighting system, including hush pipe and internal sound-absorbing material, inside described hush pipe, there is fluid passage, the top of described hush pipe has the upper shed connecting described fluid passage and the external world, the bottom of described hush pipe has the under shed connecting described fluid passage and the external world, and described internal sound-absorbing material is filled in the inside of described fluid passage;
Described fire-fighting system has extinguishing chemical and for discharging the nozzle of described extinguishing chemical, and described nozzle inserts described upper shed the connection with described hush pipe, makes described extinguishing chemical enter the inside of described fluid passage along described nozzle.
In such scheme, described fluid passage axially and described hush pipe axial consistent.
In such scheme, the sidewall of described hush pipe has internal bloop towards the side of described under shed, and described internal bloop has several, and described extinguishing chemical enters into described internal bloop through described internal sound-absorbing material.
In such scheme, described silencing means also includes having same axial outer sleeve with described hush pipe, has fixing passage inside described outer sleeve, described fixing passage axially and described outer sleeve axial consistent;The internal diameter of described fixing passage is more than the external diameter of described hush pipe, and described hush pipe is fixed in described fixing passage; Described internal bloop connects described fluid passage and described fixing passage, and described extinguishing chemical enters in described fixing passage from described internal bloop.
In such scheme, between the sidewall of described hush pipe and described fixing passage, it is filled with outside sound-absorbing material; The sidewall of described outer sleeve has several outside bloops, and several described outside bloops are respectively communicated with described fixing passage and the external world, and described extinguishing chemical is passed to the external world after entering into described outside bloop by described outside sound-absorbing material;
The top of described outer sleeve has upper port, and the bottom of described outer sleeve has lower port, and described outside bloop is positioned at the described outer sleeve sidewall side towards described upper port.
In such scheme, described silencing means also includes end cap, and described end cap covers described upper shed and described upper port, and is connected with described outer sleeve.
In such scheme, described silencing means also includes base, and described base covers described under shed and described lower port, and is connected with described outer sleeve; Described base has annular protrusion towards the side of described hush pipe, and the annular space between lateral wall and the medial wall of described fixing passage of the corresponding described hush pipe of described annular protrusion, described annular protrusion inserts in described annular space.
In such scheme, described hush pipe is made up of stainless steel material, and described outer sleeve is made up of stainless steel material.
In such scheme, described silencing means also includes pad, and described pad is between the bottom of described hush pipe and described base; Described pad spreads over inside described annular protrusion; Described pad is corrugated plate.
In such scheme, internal sound-absorbing material and one or more the above composite materials in described outside sound-absorbing material respectively Sound-proof material, acoustical cotton, sound-insulating felt and deadening felt.
Advantages of the present invention and having the beneficial effects that: the present invention provides a kind of silencing means, for absorption nozzle produced noise when discharging extinguishing chemical, to avoid noise to cause damage to cause the situation of loss of data disk or the hard disk of computer, therefore for data center, more especially national economy is affected relatively big or data center larger industry, the data safety of the such as industry such as bank, communication, has significant effect and significance.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation sectional view that a kind of silencing means of the present invention is connected with fire-fighting system;
Fig. 2 is the structural representation front view of a kind of silencing means of the present invention;
Fig. 3 is the structural representation sectional view of a kind of silencing means of the present invention.
In figure: 1, hush pipe 2, internal sound-absorbing material 3, nozzle 4, outer sleeve
5, outside sound-absorbing material 6, end cap 7, base 8, pad
11, fluid passage 12, upper shed 13, under shed 14, internal bloop
41, passage 42, upper port 43, lower port 44, outside bloop are fixed
71, annular protrusion 111, cavity structure
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As shown in Figure 1-Figure 3, the present invention is a kind of silencing means, it is connected with fire-fighting system, including hush pipe 1 and internal attractive material 2, hush pipe 1 is internal has fluid passage 11, the top of hush pipe 1 has connection fluid passage 11 and extraneous upper shed 12, and the bottom of hush pipe 1 has connection fluid passage 11 and extraneous under shed 13, and internal attractive material 2 is filled in the inside of fluid passage 11;
Fire-fighting system has extinguishing chemical and for discharging the nozzle 3 of extinguishing chemical, and nozzle 3 inserts upper shed 12 connection with hush pipe 1, makes extinguishing chemical enter the inside of fluid passage 11 along nozzle 3.
Preferably, the axial and hush pipe 1 of fluid passage 11 is axial consistent.
Further, the sidewall of hush pipe 1 has internal bloop 14 towards the side of under shed 13, and internal bloop 14 has several, and extinguishing chemical enters into internal bloop 14 through internal attractive material 2.
Further, silencing means also includes having same axial outer sleeve 4 with hush pipe 1, and outer sleeve 4 is internal has fixing passage 41, fixing passage 41 axially and outer sleeve 4 axial consistent; The internal diameter of fixing passage 41 is more than the external diameter of hush pipe 1, and hush pipe 1 is fixed in fixing passage 41; Internal bloop 14 connects fluid passage 11 and fixing passage 41, and extinguishing chemical enters in fixing passage 41 from internal bloop 14.
Further, between the sidewall of hush pipe 1 and fixing passage 41, outside sound-absorbing material 5 it is filled with; The sidewall of outer sleeve 4 has several outside bloops 44, and several outside bloops 44 are respectively communicated with fixing passage 41 and the external world, and extinguishing chemical is passed to the external world after entering into outside bloop 44 by outside sound-absorbing material 5;
The top of outer sleeve 4 has upper port 42, and the bottom of outer sleeve 4 has lower port 43, and outside bloop 44 is positioned at outer sleeve 4 sidewall side towards upper port 42.
The operation principle of technique scheme is: nozzle 3 is connected with the top of hush pipe 1, extinguishing chemical enters in fluid passage 11 by nozzle 3 along upper shed 12, and the extinguishing chemical in fluid passage 11 sequentially passes through internal attractive material 2, internal bloop 14, outside sound-absorbing material 5 and outside bloop 44 and flows out to the external world; Wherein, internal attractive material 2 is used for absorbing extinguishing chemical produced noise when flowing, to avoid noise to cause damage to cause the situation of loss of data disk or the hard disk of computer; Therefore for data center, more especially national economy is affected relatively big or data center larger industry, for instance the data safety of the industry such as bank, communication, there is significant effect and significance;
Meanwhile, outside sound-absorbing material 5 carries out double absorption for noise produced by extinguishing chemical, further to reduce the extinguishing chemical noise when flowing; By arranging internal bloop 14 and outside bloop 44, expand the flow cross of extinguishing chemical, and then achieve the effect of noise reduction.
Optionally, in fluid passage 11, it is cavity structure 111 between internal attractive material 2 and upper shed 12, is used for making nozzle 3 can penetrate upper shed 12, and it is internal to make the spout of nozzle 3 be positioned at cavity structure 111; Avoid the spout of internal attractive material 2 stopped nozzles 3.
Optionally, in fixing passage 41, having space between outside sound-absorbing material 5 and upper port 42, outside bloop 44 is arranged in the position that outer sleeve 4 is corresponding with this space.
Preferably, silencing means also includes end cap 6, and end cap 6 covers upper shed 12 and upper port 42, and is connected with outer sleeve 4; By arranging end cap 6 to protect hush pipe 1 and outer sleeve 4 when transport by damage, and internal attractive material 2 and outside sound-absorbing material 5 is avoided to be subject to the effect of corrosion of moisture.
Preferably, silencing means also includes base 7, and base 7 covers under shed 13 and lower port 43, and is connected with outer sleeve 4; Base 7 has annular protrusion 71 towards the side of hush pipe 1, the annular space between lateral wall and the medial wall of fixing passage 41 of the corresponding hush pipe 1 of annular protrusion 71, and annular protrusion 71 inserts in annular space; Wherein, base 7 is used for fixing hush pipe 1 and outer sleeve 4, by arranging annular protrusion 71, and insert in annular space by annular protrusion 71, it is to avoid the radial displacement occurred between outer sleeve 4 and hush pipe 1, improves the firmness of silencing means.
Optionally, base 7 and outer sleeve 4 are threaded connection.
Preferably, hush pipe 1 is made up of stainless steel material, and outer sleeve 4 is made up of stainless steel material; Wherein, rustless steel has the weak corrosive mediums such as resistance to air, steam, water, and has rustless property, by utilizing rustless steel to make hush pipe 1 and outer sleeve 4, improves ruggedness and the service life of silencing means.
Preferably, silencing means also includes pad 8, and pad 8 is between the bottom of hush pipe 1 and base 7; Pad 8 spreads over inside annular protrusion 71; Pad 8 is corrugated plate; Wherein, by arranging corrugated plate between hush pipe 1 and base 7, make hush pipe 1 and base 7 be not likely to produce Plastic Flow, higher seal pressure can be kept, improve the sealing of silencing means, ensure the erasure effect of silencing means.
Preferably, internal attractive material 2 and one or more above composite materials in outside sound-absorbing material 5 respectively Sound-proof material, acoustical cotton, sound-insulating felt and deadening felt.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (10)

1. a silencing means, it is connected with fire-fighting system, it is characterized in that, including hush pipe and internal sound-absorbing material, inside described hush pipe, there is fluid passage, the top of described hush pipe has the upper shed connecting described fluid passage and the external world, and the bottom of described hush pipe has the described fluid passage of connection and extraneous under shed, and described internal sound-absorbing material is filled in the inside of described fluid passage;
Described fire-fighting system has extinguishing chemical and for discharging the nozzle of described extinguishing chemical, and described nozzle inserts described upper shed the connection with described hush pipe, makes described extinguishing chemical enter the inside of described fluid passage along described nozzle.
2. a kind of silencing means according to claim 1, it is characterised in that described fluid passage axially and described hush pipe axial consistent.
3. a kind of silencing means according to claim 2, it is characterized in that, the sidewall of described hush pipe has internal bloop towards the side of described under shed, and described internal bloop has several, and described extinguishing chemical enters into described internal bloop through described internal sound-absorbing material.
4. a kind of silencing means according to claim 3, it is characterized in that, described silencing means also includes having same axial outer sleeve with described hush pipe, has fixing passage inside described outer sleeve, described fixing passage axially and described outer sleeve axial consistent; The internal diameter of described fixing passage is more than the external diameter of described hush pipe, and described hush pipe is fixed in described fixing passage; Described internal bloop connects described fluid passage and described fixing passage, and described extinguishing chemical enters in described fixing passage from described internal bloop.
5. a kind of silencing means according to claim 4, it is characterised in that be filled with outside sound-absorbing material between the sidewall of described hush pipe and described fixing passage;The sidewall of described outer sleeve has several outside bloops, and several described outside bloops are respectively communicated with described fixing passage and the external world, and described extinguishing chemical is passed to the external world after entering into described outside bloop by described outside sound-absorbing material;
The top of described outer sleeve has upper port, and the bottom of described outer sleeve has lower port, and described outside bloop is positioned at the described outer sleeve sidewall side towards described upper port.
6. a kind of silencing means according to claim 5, it is characterised in that described silencing means also includes end cap, and described end cap covers described upper shed and described upper port, and is connected with described outer sleeve.
7. a kind of silencing means according to claim 5, it is characterised in that described silencing means also includes base, and described base covers described under shed and described lower port, and is connected with described outer sleeve; Described base has annular protrusion towards the side of described hush pipe, and the annular space between lateral wall and the medial wall of described fixing passage of the corresponding described hush pipe of described annular protrusion, described annular protrusion inserts in described annular space.
8. a kind of silencing means according to claim 5, it is characterised in that described hush pipe is made up of stainless steel material, and described outer sleeve is made up of stainless steel material.
9. a kind of silencing means according to claim 7, it is characterised in that described silencing means also includes pad, and described pad is between the bottom of described hush pipe and described base; Described pad spreads over inside described annular protrusion; Described pad is corrugated plate.
10. a kind of silencing means according to any claim in claim 1 to 9, it is characterised in that internal sound-absorbing material and one or more the above composite materials in described outside sound-absorbing material respectively Sound-proof material, acoustical cotton, sound-insulating felt and deadening felt.
CN201610049477.8A 2016-01-25 2016-01-25 Silencing device Pending CN105641841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610049477.8A CN105641841A (en) 2016-01-25 2016-01-25 Silencing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610049477.8A CN105641841A (en) 2016-01-25 2016-01-25 Silencing device

Publications (1)

Publication Number Publication Date
CN105641841A true CN105641841A (en) 2016-06-08

Family

ID=56486438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610049477.8A Pending CN105641841A (en) 2016-01-25 2016-01-25 Silencing device

Country Status (1)

Country Link
CN (1) CN105641841A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3639899A1 (en) * 2018-10-18 2020-04-22 Mako Osakeyhtiö Nozzle assembly for a gas extinguishing system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1373825A (en) * 1999-09-07 2002-10-09 迈特普罗公司 Acoustic silencer nozzle
CN2900802Y (en) * 2005-12-28 2007-05-16 朱文龙 Silencer
CN202733311U (en) * 2012-08-03 2013-02-13 北京航天星汉科技有限公司 Gas silencer
JP2014087707A (en) * 2009-11-02 2014-05-15 Koatsu Co Ltd Jet head having silencing function for gas-based fire extinguishing system
CN104014097A (en) * 2009-10-23 2014-09-03 爱沃特防灾株式会社 Gas fire-extinguishing facility

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1373825A (en) * 1999-09-07 2002-10-09 迈特普罗公司 Acoustic silencer nozzle
CN2900802Y (en) * 2005-12-28 2007-05-16 朱文龙 Silencer
CN104014097A (en) * 2009-10-23 2014-09-03 爱沃特防灾株式会社 Gas fire-extinguishing facility
JP2014087707A (en) * 2009-11-02 2014-05-15 Koatsu Co Ltd Jet head having silencing function for gas-based fire extinguishing system
CN202733311U (en) * 2012-08-03 2013-02-13 北京航天星汉科技有限公司 Gas silencer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3639899A1 (en) * 2018-10-18 2020-04-22 Mako Osakeyhtiö Nozzle assembly for a gas extinguishing system

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Application publication date: 20160608