CN109381832A - A kind of low pressure carbon dioxide fire extinguishing systems - Google Patents
A kind of low pressure carbon dioxide fire extinguishing systems Download PDFInfo
- Publication number
- CN109381832A CN109381832A CN201710666535.6A CN201710666535A CN109381832A CN 109381832 A CN109381832 A CN 109381832A CN 201710666535 A CN201710666535 A CN 201710666535A CN 109381832 A CN109381832 A CN 109381832A
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- Prior art keywords
- valve
- main line
- conveying
- heating
- storage tank
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of low pressure carbon dioxide fire extinguishing systems.It includes extinguishing device, heating device and control cabinet, and extinguishing device includes storage tank, primer liner and CO2Transfer pipeline, primer liner and CO2Transfer pipeline is connected to storage tank, CO2There are conveying main line and at least two conveying branches on transfer pipeline, conveying branch is connected to conveying main line, there are selector valve and nozzle in branch road, there are service valve, main valve and pressure switch on conveying main line, primer liner includes starting main line and at least two boot legs, starting main line is connected to boot leg, there are primer liner maintenance valve, pressure reducing valve and the first solenoid valve on starting main line, starting main line is connect with main valve, there is second solenoid valve in boot leg, boot leg is connect with selector valve, has refrigeration unit on storage tank, heating device is on storage tank.The present invention meets the needs of low temperature harsh environment area fire-fighting, easy to maintenance, using heating and refrigeration double-mode, has expanded application environment.
Description
Technical field
The present invention relates to a kind of low pressure carbon dioxide fire extinguishing systems, belong to technical field of fire control.
Background technique
Carbon dioxide extinguishing agent is known as low pressure CO 2 in -18 DEG C~-20 DEG C of the at a temperature of fire extinguishing system stored and goes out
Fiery system；Refrigeration system is mainly used to reduce the pressure store of extinguishing chemical to improve containers store ability.If environment temperature
Degree is lower than -23 DEG C, and system should also be equipped with heating device simultaneously, by heating the linkage control with refrigerating plant, makes low pressure dioxy
Change carbon fire extinguishing system pressure store to stablize in the section 1.72MPa~2.24MPa.Temperature is high, and carbon dioxide storage pressure is high, container
Dangerous, filling weight is low；Temperature is low, and carbon dioxide storage pressure is low, not can guarantee spray head terminal pressure, attack time and fire extinguishing
Concentration not can guarantee.
Domestic low pressure carbon dioxide fire extinguishing systems are commonly equipped with refrigerating plant, and no heating device is seldom low in environment temperature
It is applied in -23 DEG C of places.It stores place and uses air-conditioning or heating, to guarantee that environment temperature is greater than -23 DEG C.Extremely cold area industry neck
Domain, environment temperature is low, needs low pressure carbon dioxide fire extinguishing systems to have heating/refrigerating linkage temperature control, is wanted with meeting industrial application
It asks.
Summary of the invention
In view of this, meeting low temperature harsh environment area the present invention provides a kind of low pressure carbon dioxide fire extinguishing systems and disappearing
Anti- demand, it is easy to maintenance, using heating and refrigeration double-mode, expand application environment.
The present invention solves above-mentioned technical problem by following technological means:
A kind of low pressure carbon dioxide fire extinguishing systems of the invention comprising extinguishing device, heating device and control cabinet, it is described
Extinguishing device includes storage tank, primer liner and CO2Transfer pipeline, primer liner and CO2Transfer pipeline is connected to storage tank, CO2It is defeated
It send and is provided with conveying main line and at least two conveying branches on pipeline, conveying branch is connected to conveying main line, the branch
On be provided with selector valve and nozzle, be provided with service valve, pressure switch and main valve, the primer liner on the conveying main line
It is connected to including starting main line and at least two boot legs, the starting main line with boot leg, starts and set on main line
It is equipped with primer liner maintenance valve, pressure reducing valve and the first solenoid valve, starting main line connect with main valve, is arranged in the boot leg
There is second solenoid valve, boot leg is connect with selector valve, and refrigeration unit is provided on storage tank, and the heating device is arranged in storage tank
On, it is provided with combined aural and visual alarm, deflation display lamp, manual releasing/stop button and electrical isolation maintenance on the control cabinet and opens
It closes.
It is provided with two groups of heating members on the heating device, is used by the way of the using and the reserved, heating member uses multiple groups
The mode of low-power heating element in parallel, heating member are stainless steel material, and outside is cased with stainless steel tube set, and stainless steel pipe sleeve is fixed
On storage tank.
Heating device, refrigeration unit, pressure switch, the first solenoid valve and second solenoid valve are connect with control cabinet.
It is provided with heating/refrigerating button on the control cabinet, heating/refrigerating button controls heating device and refrigeration unit
Start and stop, pressure switch control the start and stop of heating/refrigerating button.
The quantity of the conveying branch and boot leg be it is identical, conveying branch by selector valve and boot leg one by one
It is correspondingly connected with.
Safety valve is provided on conveying main line.
At low ambient temperatures, since temperature is low, the poor fluidity of liquid CO 2, pressure is low, can using heating method
So that a part of liquid CO 2 vaporization, to generate certain pressure, promotes the flowing of liquid CO 2, thus suitable
Low temperature environment is answered to use.It is provided with refrigeration unit simultaneously, can use under high temperature environment, heating/system is provided on control cabinet
Cold button, heating/refrigerating button control the start and stop of heating device and refrigeration unit, and pressure switch controls heating/refrigerating button
Start and stop, the pressure of storage tank is found out by pressure switch, to judge to start heating device or refrigeration unit.
The present invention uses the heating device of low pressure carbon dioxide fire extinguishing systems, and storage tank built-in heater, safety is beautiful,
The thermal efficiency is high.It is standby using dual redundant design one main one.It is in parallel using multiple groups small-power, power grid impact is reduced, start and stop are reliable and stable,
Homogeneous heating.Using SS316 stainless steel heater, outer cover SS316 stainless steel sleeve pipe realizes cryogenic applications and online replacement.
Heating/refrigerating start and stop are controlled using pressure switch, avoid falling into refrigeration heat cycles.Using twin-stage safety valve, it is ensured that system peace
Entirely.
The invention has the benefit that expanding low pressure carbon dioxide fire extinguishing systems application environment, meet low temperature environment fire-fighting
Protection demand；Internal heater, it is securely and reliably, high-efficient；Online maintenance replacement without shutdown and discharges carbon dioxide, environmental protection,
Economy does not influence to produce.Provide the low pressure carbon dioxide fire extinguishing systems solution of extremely cold area and industrial circle.It provides more
Group redundant heater scheme, avoids shutting down, and promotes fire-fighting reliability.Heater can be replaced online, avoid shutting down discharge carbon dioxide
Maintenance afterwards, economic/environmental protection/reliable.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is heating member structural schematic diagram of the present invention.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail, as shown in Figure 1: a kind of low pressure titanium dioxide of the present embodiment
Carbon fire extinguishing system comprising extinguishing device 1, heating device 2 and control cabinet 3, the extinguishing device 1 include storage tank 10, starting pipe
Road 11 and CO2Transfer pipeline 12, primer liner 11 and CO2Transfer pipeline 12 is connected to storage tank 10, CO2It is set on transfer pipeline 12
It is equipped with conveying main line 120 and at least two conveying branches 121, conveying branch 121 is connected to conveying main line 120, the branch
It is provided with selector valve 122 and nozzle 124 on road 121, service valve 125,126 and of main valve are provided on the conveying main line 120
Pressure switch 123, the primer liner 11 include starting main line 110 and at least two boot legs 111, the starting supervisor
Road 110 is connected to boot leg 111, is started and is provided with primer liner maintenance valve 112, pressure reducing valve 113 and first on main line 110
Solenoid valve 114, starting main line 110 connect with main valve 126, are provided with second solenoid valve 115 in the boot leg 111, open
Dynamic branch 111 is connect with selector valve 122, and refrigeration unit 13 is provided on storage tank 10, and the heating device 2 is arranged in storage tank 10
On, combined aural and visual alarm 30, deflation display lamp 31, manual releasing/stop button 32 and electrical isolation are provided on the control cabinet 3
Service switch 33.
It is provided with two groups of heating members 21 on the heating device 2, is used by the way of the using and the reserved, heating member 21 uses
The mode of multiple groups low-power heating element in parallel, heating member 21 are 316 stainless steel materials, and outside is cased with 316 stainless steel pipe sleeves,
316 stainless steel pipe sleeves are fixed on storage tank 10.
Heating device 2, refrigeration unit 13, pressure switch 123, the first solenoid valve 114 and second solenoid valve 115 with control
Cabinet 3 connects.
Heating/refrigerating button 34 is provided on the control cabinet 3, heating/refrigerating button 34 controls heating device 2 and refrigeration
The start and stop of unit 13, pressure switch 123 control the start and stop of heating/refrigerating button 34.
It is described conveying branch 121 and boot leg 111 quantity be it is identical, conveying branch 121 by selector valve 122 with
Boot leg 111 connects one to one.
Safety valve 127 is provided on conveying main line 120.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
1. a kind of low pressure carbon dioxide fire extinguishing systems, it is characterised in that: including extinguishing device (1), heating device (2) and control cabinet
(3), the extinguishing device (1) includes storage tank (10), primer liner (11) and CO2Transfer pipeline (12), primer liner (11) and
CO2Transfer pipeline (12) is connected to storage tank (10), CO2Conveying main line (120) and at least two is provided on transfer pipeline (12)
A conveying branch (121), conveying branch (121) are connected to conveying main line (120), are provided with selection on the branch (121)
Valve (122) and nozzle (124) are provided with service valve (125), pressure switch (123) and main valve on the conveying main line (120)
(126), the primer liner (11) includes starting main line (110) and at least two boot legs (111), the starting supervisor
Road (110) is connected to boot leg (111), is provided with primer liner maintenance valve (112), pressure reducing valve in starting main line (110)
(113) it connect with main valve (126), is arranged on the boot leg (111) with the first solenoid valve (114), starting main line (110)
Have second solenoid valve (115), boot leg (111) is connect with selector valve (122), and storage tank is provided with refrigeration unit on (10)
(13), the heating device (2) is arranged on storage tank (10), and combined aural and visual alarm (30) is provided on the control cabinet (3), is deflated
Display lamp (31), manual releasing/stop button (32) and electrical isolation service switch (33).
2. a kind of low pressure carbon dioxide fire extinguishing systems according to claim 1, it is characterised in that: the heating device (2)
On be provided with two groups of heating members (21), used by the way of the using and the reserved, heating member (21) using multiple groups low-power heating member
The mode of part parallel connection, heating member (21) are 316 stainless steel materials, and outside is cased with 316 stainless steel pipe sleeves, and 316 stainless steel pipe sleeves are solid
It is scheduled on storage tank (10).
3. a kind of low pressure carbon dioxide fire extinguishing systems according to claim 1, it is characterised in that: heating device (2), refrigeration
Unit (13), pressure switch (123), the first solenoid valve (114) and second solenoid valve (115) are connect with control cabinet (3).
4. a kind of low pressure carbon dioxide fire extinguishing systems according to claim 1, it is characterised in that: on the control cabinet (3)
It being provided with heating/refrigerating button (34), heating/refrigerating button (34) controls the start and stop of heating device (2) and refrigeration unit (13),
Pressure switch (123) controls the start and stop of heating/refrigerating button (34).
5. a kind of low pressure carbon dioxide fire extinguishing systems according to claim 1, it is characterised in that: the conveying branch
(121) and the quantity of boot leg (111) be it is identical, conveying branch (121) pass through selector valve (122) and boot leg
(111) it connects one to one.
6. a kind of low pressure carbon dioxide fire extinguishing systems according to claim 1, it is characterised in that: conveying conveying main line
(120) safety valve (127) are provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666535.6A CN109381832B (en) | 2017-08-07 | 2017-08-07 | Low-pressure carbon dioxide fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666535.6A CN109381832B (en) | 2017-08-07 | 2017-08-07 | Low-pressure carbon dioxide fire extinguishing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109381832A true CN109381832A (en) | 2019-02-26 |
| CN109381832B CN109381832B (en) | 2023-09-01 |
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ID=65413686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666535.6A Active CN109381832B (en) | 2017-08-07 | 2017-08-07 | Low-pressure carbon dioxide fire extinguishing system |
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| Country | Link |
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| CN (1) | CN109381832B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771872A (en) * | 2019-03-15 | 2019-05-21 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment of the urgent increasing apparatus of band |
| CN111911221A (en) * | 2020-08-14 | 2020-11-10 | 辽宁工程技术大学 | Low-oxygen treatment method for corners on stope face |
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| CN1454685A (en) * | 2003-03-20 | 2003-11-12 | 姜华 | Fire extinguishing apparatus using liquid nitrogen as fire extinguishing agent |
| CN1569285A (en) * | 2004-05-12 | 2005-01-26 | 华中科技大学 | Fixed high pressure water smoke fire-extinguishing system |
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| CN201324459Y (en) * | 2008-12-03 | 2009-10-14 | 西安核设备有限公司 | External pressurizing storage tank type septenary-fluorine propane fire-extinguishing system |
| CN205252375U (en) * | 2015-12-15 | 2016-05-25 | 威特龙消防安全集团股份公司 | A built -in evaporimeter for low pressure carbon dioxide extinguisher |
| CN205924759U (en) * | 2016-07-19 | 2017-02-08 | 苏州元亨利贞消防设备有限公司 | Kitchen equipment fire extinguishing systems of mechanical and automatically controlled combination starting mode |
| CN207085148U (en) * | 2017-08-07 | 2018-03-13 | 南京消防器材股份有限公司 | A kind of low pressure carbon dioxide fire extinguishing systemses |
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Patent Citations (9)
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| CN2550002Y (en) * | 2002-07-17 | 2003-05-14 | 代福全 | Fixed fire extinguisher |
| CN1454685A (en) * | 2003-03-20 | 2003-11-12 | 姜华 | Fire extinguishing apparatus using liquid nitrogen as fire extinguishing agent |
| CN1569285A (en) * | 2004-05-12 | 2005-01-26 | 华中科技大学 | Fixed high pressure water smoke fire-extinguishing system |
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| CN101411928A (en) * | 2008-11-28 | 2009-04-22 | 四川威龙消防设备有限公司 | Constant-pressure storage type high-pressure carbon dioxide extinguishing device with built-in evaporator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771872A (en) * | 2019-03-15 | 2019-05-21 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment of the urgent increasing apparatus of band |
| CN111911221A (en) * | 2020-08-14 | 2020-11-10 | 辽宁工程技术大学 | Low-oxygen treatment method for corners on stope face |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109381832B (en) | 2023-09-01 |
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