CN102872557B - A kind of physics cooling means of alternative aerosol fire-extinguishing device chemical coolant - Google Patents
A kind of physics cooling means of alternative aerosol fire-extinguishing device chemical coolant Download PDFInfo
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- CN102872557B CN102872557B CN201210303503.7A CN201210303503A CN102872557B CN 102872557 B CN102872557 B CN 102872557B CN 201210303503 A CN201210303503 A CN 201210303503A CN 102872557 B CN102872557 B CN 102872557B
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- prompt drop
- chemical coolant
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Abstract
The present invention relates to the aerosol fire-extinguishing device that the agent of a kind of physics prompt drop substitutes original chemical coolant.It by the generator 5 with separation layer 6 of outer container 9 and Qi Nei and inner chamber thereof, incendiary agent 1, igniter head 3 is housed to form except the cartridge case 2 of grit chamber 4 and the physics prompt drop agent 7 of being equipped with above it, physics cooling agent 8.It is characterized in that, substitute the physics prompt drop agent of chemical coolant, the high temperature gas flow produced when not only incendiary agent can be burnt reduces temperature fast, and can ensure that air-flow circulates fast, and does not occur that the quick-fried of retardance penetrates accident.And the available industrialized mass production of this prompt drop agent, do not need to rely on airing in sun ground, no longer by the restriction of large natural environment.This physics prompt drop agent that more valuable is produces the process of gas flow temperature when alternative chemical coolant reduces incendiary agent burning, can not association is new as former chemical coolant chemical gas contaminated environment.Save the staff of a large amount of airing chemical coolants simultaneously, thus reduce the manufacturing cost of aerosol fire-extinguishing device.
Description
Technical field
The invention belongs to fire-fighting fire-smothering gear technical field.Relate to the aerosol fire-extinguishing device of chemical coolant in a kind of alternative aerosol fire-extinguishing device.
Technical background
Aerosol fire-extinguishing device is in recent years at the fire extinguishing appliance that fire-fighting domain new development is got up.General structure is made up of incendiary agent, chemical coolant, physics cooling agent and cartridge case, thermal insulation layer, casing etc.
The mechanism of its fire extinguishing produces a large amount of aerosol gas, the mode of the flame around total flooding in certain limit when being and burning with incendiary agent, reaches the utensil of fire extinguishing object.
Aerosol combustion agent, after igniter head igniting, can go out a large amount of gentle bodies of high temperature fireworks in abrupt release during burning.Making in the small space of cartridge case, must immediately these high temperature fireworks and gas cooled down.Therefore in condensed aerosol fire extinguishing device in the past, the chemical coolant being provided with carbonate and metal oxide synthesis is the cooling of the first order, the high temperature fireworks produced when burning instantaneously in order to control combustion agent and the expansion of gas.
But, form the zinc carbonate of chemical coolant, calcium carbonate, magnesium carbonate and magnesia, calcium oxide, crude zinc oxide materials be all in pulverous material.Therefore meeting moist environment, then or when jolting in transit tremble, be just easily bonded to one, be formed in the object that to harden like one deck shell on splendid attire incendiary agent cartridge case.As added a upper cover on cartridge case.Now this chemical coolant not only at the high-temperature gas of instantaneous cooling incendiary agent release, and can not fetter the flowing of this gas.And cause local pressure to surge simultaneously, drive the pressure in cartridge case to raise, incendiary agent is penetrated by the entirety suitable for reading of aerosol generator is quick-fried together with chemical coolant and upper strata physics cooling agent thereof.Thus form secondary injury.
Summary of the invention
The present invention is exactly the improvement in the technical pattern made for the weak point that above-mentioned chemical coolant exists.Effectively stop aerosol fire-extinguishing in the past and be contained in the change because of chemical coolant, and the incendiary agent causing generator in-built, after the agent of igniter head ignition combustion, there is quick-fried situation of penetrating occur.
Technical scheme of the present invention realizes: among aerosol outer container 9, the inner chamber bottom of the in-built aerosol generator 5 with thermal insulation layer 6, interior Sheng incendiary agent 1 and igniter head 3 are housed and except on the cartridge case 2 of grit chamber 4, contain chemical coolant part in the past, change the hollow body physics prompt drop agent 7 of Raschig ring or the metal material making of containing and being made by ceramic body, it still puts original physical cooling agent 8.And reach stop aerosol fire-extinguishing device occur the quick-fried effective physics cooling technology penetrating accident.
This physics prompt drop agent is by the ceramic body Raschig ring of some, or the hollow body that metal material makes, and forms in random banking up.The mutual gap that they are banked up, and the mesopore in hollow body structure, all can be unobstructed the burning of circulation incendiary agent time release high temperature gas flow, and synchronously the gas flow temperature prompt drop flow through to be got off, and by do not flow to second level physics cooling agent with being blocked.
This physics cooling means, has not only stopped the quick-fried problem of penetrating accident of aerosol fire-extinguishing device generation in the past effectively.More the chemical coolant of avoiding over is when cooling combustion agent is burnt, and in the high temperature of generation and gas process, supervenes the possibility of new chemical gas and contaminated environment.
After substituting chemical coolant with the agent of physics prompt drop, the pollution to environment produced when not only reducing aerosol fire-extinguishing device fire extinguishing, quick-fried possibility of penetrating accident is there is when aerosol fire-extinguishing device is put out a fire with stopping, more real: the process of producing chemical coolant in the past not only wants the manpower of at substantial, and the face of God must be seen, only sun Gao Zhao fine day could airing on smooth, clean, the calm place of sheet.Not only want waste of manpower repeatedly to ted, more will waste the arrangement that a large amount of time waits for God, bring a lot of constraint to suitability for industrialized production aerosol fire-extinguishing device.After adopting the agent of this kind of physics prompt drop, this physical prompt drop agent can large batch ofly be bought in the market.Industrialization means more can be adopted to produce in batches.Therefore the production cost of aerosol fire-extinguishing device can significantly be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation after aerosol fire-extinguishing device improves.Below in conjunction with detailed description of the invention, the present invention is described further.
Detailed description of the invention
The structure of aerosol fire-extinguishing device of the present invention is as shown in Figure 1: among aerosol outer container 9, the inner chamber bottom of the in-built aerosol generator 5 with thermal insulation layer 6, interior Sheng incendiary agent 1 and igniter head 3 are housed and except on the cartridge case 2 of grit chamber 4, contain chemical coolant part in the past, change the hollow body physics prompt drop agent 7 of Raschig ring or the metal material making of containing and being made by ceramic body, it still puts original physical cooling agent 8.
Wherein substitute the physics prompt drop agent 7 of chemical coolant, be then random the banking up of hollow body that made by the ceramic body Raschig ring of some or metal material and form.
After the incendiary agent 1 being positioned at cartridge case 2 intracavity bottom is lighted by the igniter head 3 above it, incendiary agent 1 goes out fireworks high temperature and gas will via the physics prompt drop agent 7 of pouring into rapidly except grit chamber 4 above it in abrupt release.
This physics prompt drop agent 7 is that hollow body that the Raschig ring that made by the ceramic body of some or metal material make is banked up and formed.Therefore leave gap between ring and ring, Ring current distribution also has hole, and the airflow process sent when enough incendiary agents 1 burn, synchronously reduces the gas temperature flowed through.Also prevent gas at chemical coolant because powder is bonded to block, retardation gases circulates fast and quick-fried problem of penetrating accident occurs.
After the air-flow of aerosol combustion have passed through physics prompt drop agent 7; continue upper reaches; the physics cooling agent 8 on its upper strata will be flowed to; carry out second level cooling; gas temperature is reduced to get off again; the final burning things which may cause a fire disaster sprayed from spout 10 space protected towards periphery, puts out it in the mode of total flooding.Reach the object of its fire extinguishing.
Claims (2)
1. the physics cooling means of an alternative aerosol fire-extinguishing device chemical coolant, it is characterized in that: described physics cooling means, in-built among aerosol outer container (9), with the inner chamber bottom of the aerosol generator (5) of thermal insulation layer (6), interior Sheng incendiary agent (1) and igniter head (3) are housed and except on the cartridge case (2) of grit chamber (4), contain chemical coolant part in the past, change hollow body physics prompt drop agent (7) of Raschig ring or the metal material making of containing and being made by ceramic body, it is still put original physical cooling agent (8), substitute the physics cooling means of chemical coolant in the past.
2. physics cooling means according to claim 1, is characterized in that: described physics prompt drop agent (7) is the Raschig ring made by the ceramic body of some, or random the banking up of hollow through-hole body that metal material makes forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303503.7A CN102872557B (en) | 2012-08-18 | 2012-08-18 | A kind of physics cooling means of alternative aerosol fire-extinguishing device chemical coolant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303503.7A CN102872557B (en) | 2012-08-18 | 2012-08-18 | A kind of physics cooling means of alternative aerosol fire-extinguishing device chemical coolant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102872557A CN102872557A (en) | 2013-01-16 |
| CN102872557B true CN102872557B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210303503.7A Expired - Fee Related CN102872557B (en) | 2012-08-18 | 2012-08-18 | A kind of physics cooling means of alternative aerosol fire-extinguishing device chemical coolant |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007040561A1 (en) * | 2005-09-23 | 2007-04-12 | Fireaway Llc | Manually activated, portable fire-extinguishing aerosol generator |
| CN201445720U (en) * | 2009-06-08 | 2010-05-05 | 陕西坚瑞消防股份有限公司 | Hot aerosol fire-extinguishing device using a honey comb structure as cooling layer |
| CN102179018A (en) * | 2011-04-26 | 2011-09-14 | 杭州华神消防科技有限公司 | Cooling method for hot gas dispersoid fire-extinguishing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5350951B2 (en) * | 2009-09-17 | 2013-11-27 | ホーチキ株式会社 | Aerosol fire extinguishing system |
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2012
- 2012-08-18 CN CN201210303503.7A patent/CN102872557B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007040561A1 (en) * | 2005-09-23 | 2007-04-12 | Fireaway Llc | Manually activated, portable fire-extinguishing aerosol generator |
| CN201445720U (en) * | 2009-06-08 | 2010-05-05 | 陕西坚瑞消防股份有限公司 | Hot aerosol fire-extinguishing device using a honey comb structure as cooling layer |
| CN102179018A (en) * | 2011-04-26 | 2011-09-14 | 杭州华神消防科技有限公司 | Cooling method for hot gas dispersoid fire-extinguishing device |
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| Publication number | Publication date |
|---|---|
| CN102872557A (en) | 2013-01-16 |
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