CN202207414U - Fog mixing tank for dry powder fire extinguishing - Google Patents
Fog mixing tank for dry powder fire extinguishing Download PDFInfo
- Publication number
- CN202207414U CN202207414U CN2011202677032U CN201120267703U CN202207414U CN 202207414 U CN202207414 U CN 202207414U CN 2011202677032 U CN2011202677032 U CN 2011202677032U CN 201120267703 U CN201120267703 U CN 201120267703U CN 202207414 U CN202207414 U CN 202207414U
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- mist
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- dry powder
- mixes
- mixing tank
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Abstract
The utility model belongs to the field of fire extinguishers, and particularly relates to a fog mixing tank used for storing dry powder and loosening the dry powder before dry powder jetting to enable the dry powder and gas to be uniformly mixed. The fog mixing tank comprises a fog mixing tank body, wherein a powder outlet is formed on the side wall of the fog mixing tank body; a pressure detector is arranged at the top of the fog mixing tank body; an upper gas inlet and a lower gas inlet are respectively formed at the top and the bottom of the fog mixing tank body; an atomization device is arranged in the fog mixing tank body and connected with the lower gas inlet at the bottom of the fog mixing tank body; a distribution device for distributing power gas sources is arranged outside the fog mixing tank body and simultaneously connected with the upper gas inlet and the lower gas inlet; a discharge pipe fixed on the inner wall of the fog mixing tank body and communicated with the powder outlet is arranged in the fog mixing tank body; the pipe orifice of the discharge pipe is horn-shaped; and the axis of the horn-shaped orifice is parallel to that of the fog mixing tank body. The fog mixing tank for dry powder fire extinguishing can enable the dry powder and the gas flow to be uniformly mixed to ensure the fire extinguishing effect of dry powder gas flow.
Description
Technical field
The utility model belongs to the extinguishing device field, particularly a kind ofly is used to store dry powder and can becomes flexible dry powder before ejecting at dry powder, and the gentle mixed uniformly mist of dry powder is mixed jar.
Background technology
It is fast that dry powder has the speed of fighting a fire, non-conductive, do not corrode, and is worth advantages such as cheap, and the effect unique of, flammable liquid inflammable for putting out a fire to save life and property, gas fire and electrical fire is generally acknowledged by common people.
Dry powder extinguishing installation commonly used is a portable dry powder fire extinguisher; The gas of portable dry powder fire extinguisher and dry powder are encapsulated in the tank body; Under the condition of high voltage in being placed on for a long time jar, form the dry powder cake at the bottom of dry powder is deposited on jar easily, the gas that gushes out during use and the mixing of dry powder are relatively poor; Have the problem of tolerance greater than the dry powder amount, the fire extinguishing effect is undesirable.
In the powder extinguishing system, adopt single tank body to deposit dry powder, do not have pressed gas in the tank body, because the contingency and the uncertainty of fire; Dry powder must be deposited the long time in tank body, because the gravity effect, dry powder also can deposit in tank base; When needs were put out a fire, gas directly charged into from the top of tank body, and what from spray gun, come out like this possibly be muffin or simple gas; Its fire extinguishing effect is undesirable, can't play the effect of fire extinguishing, can't reach user's requirement.
Summary of the invention
The problem that the utility model exists to prior art; Designed and a kind ofly can carry out fluffy in advance being deposited on tank base dry powder; The dry powder that is deposited on tank body broken up be reduced into granularly, and the mist that mixes simultaneously the extinguishing chemical that reaches a gas powder mixing ratio that is fit to fire extinguishing with gas mixes jar.
The utility model is realized through following technical scheme:
The mist that is used for dry-chemical fire extinguishing mixes jar; It comprises that mist mixes tank body; Meal outlet is arranged on the sidewall that mist mixes tank body, and the top that mist mixes tank body also is provided with the pressure detector that the mixed tank body internal pressure of mist is detected, and it is characterized in that: top and bottom that described mist mixes tank body are respectively arranged with air inlet and following air inlet; The set inside of mixing tank body at mist has the atomising device that makes the dry powder atomizing; Atomising device is connected with the following air inlet that mist mixes tank base, and described atomising device is made up of coil pipe atomizer and/or mushroom atomizer, the distributor that the outer setting of the mixed tank body of described mist has pair power gas source to distribute; Distributor is connected with following air inlet with last air inlet simultaneously; The inside of the mixed tank body of described mist also is provided with and is fixed on mixed inner tank wall and the discharge nozzle that communicate with meal outlet of mist, and the mouth of pipe of described discharge nozzle is horn-like, and described bell-mouthed axis and mist mix the parallel axes of tank body.
The utility model mixes jar a plurality of atomising devices of set inside through mist, and the distributor of the mixed tank body of the mist of setting outside distributes power gas source, and described atomising device and distributor are used; Can carry out one to the dry powder that is deposited on the mixed tank base of mist and break up in advance, the dry powder that deposits has been reduced into graininess, adjust distributor this moment; The gas, the powder that make mist mix tank interior to form a proper ratio mix, and have guaranteed gas and the mixing ratio of dry powder of the extinguishing chemical of ejection, the maximized effect that realizes dry-chemical fire extinguishing; Help stamping out a fire timely, the mouth of pipe of described discharge nozzle is horn-like in addition, is convenient to the outflow of gas, powder mixture; Described bell-mouthed axis normal is in horizontal direction; Be convenient to the entering of gas and dry powder, reduced the resistance of powder delivery, promptly reduced the jar internal pressure that powder delivery needs; Promptly reduced the manufacture difficulty of tank body, be convenient to manufacture.
Described atomising device is the coil pipe atomizer; Described coil pipe atomizer is managed ringwise, and the lateral wall of coil pipe atomizer is provided with several first orifices, the radial parallel of described first orifice and coil pipe atomizer; Also be provided with second orifice of several inclinations on the described coil pipe atomizer madial wall; First orifice that is provided with directly acts on power gas on the tank skin, is easy to the dry powder attached to tank skin is formed loosening, and the dry powder of being convenient to the top subsides; Can become flexible the dry powder of deposition rapidly; The bottom that second orifice that is provided with is simultaneously blown down power gas tank body simultaneously, the collision back forms an ascending air, drives gas and further mixes with loosening dry powder.
Furtherly, the angle of the axial and horizontal direction of described second orifice is between 15 °～80 °.
Described atomising device is the mushroom atomizer; Described mushroom atomizer has stay pipe and is arranged on the mushroom cap top formation on the stay pipe; The lower surface on described mushroom cap top is provided with a plurality of ventholes; Second venthole under described venthole is tilted to by first venthole of axis and horizontal direction parallel and axis is formed; The air-flow of described first venthole plays effect loosening and atomizing to the dry powder of deposition, and the air-flow that second venthole blows out atomizes to loosening dry powder and dry powder and gas are mixed, and obtains the powder extinguishing agent of suitable gas-powder ratio.
Described distributor comprises first distributing pipe that is connected with following air inlet and second distributing pipe that is connected with last air inlet; Between first distributing pipe and second distributing pipe, be provided with electric T-shaped valve; The distribution branch road that also comprises UNICOM's first distributing pipe and second distributing pipe; Described distribution branch road is provided with electronic aperture valve; The distributor that here is provided with can flow to dynamic air-flow to be regulated, and can control the size of flow of the dynamic air-flow of each flow direction simultaneously, cooperates atomising device to carry out the dry powder of deposition is become flexible and mixture operation.
The bell-mouthed diameter of the described discharge nozzle mouth of pipe is 2-20 a times of discharge nozzle diameter, and adopting this design is in order extinguishing chemical can be got into fast in the discharge nozzle, to have reduced the resistance of powder delivery.
The bell-mouthed area of described flour extraction pipe is S1, and horn mouth and the conical surface area at jar end are S2, and described S2 is 1-10 a times of S1, decides bell-mouthed height through the ratio that calculates horn mouth area and conical surface area here.
The quantity ratio of described first orifice and second orifice is 3: 1.
The quantity ratio of described first venthole and second venthole is 3: 1.
Adopt the aforementioned proportion design to improve the nebulization efficiency of coil pipe atomizer with the mushroom atomizer, can the loosening and dry powder of Rapid Realization dry powder and mixing of gas.
In sum, before fire extinguishing was sprayed, the utility model can carry out one to the dry powder that deposits in the tank body through the atomising device that is provided with and effectively become flexible; And make dry powder and power gas carry out a mixing fully; Obtain the extinguishing chemical of a suitable gas-powder ratio, guaranteed that the dry powder that ejects can effectively put out a fire, improved the efficient of fire extinguishing; Overcome the gas-powder ratio inequality that conventional fire extinguisher gushes out, the defective of fire extinguishing weak effect.
Description of drawings
Fig. 1 is the structural representation of embodiment one;
Fig. 2 is the structural representation of coil pipe atomizer;
Fig. 3 is that coil pipe atomizer A-A is to cutaway view;
Fig. 4 is the cutaway view of mushroom atomizer;
1 for mist mixes tank body among the figure, and 2 is the coil pipe atomizer, and 3 is horn mouth, and 4 are the mushroom atomizer, and 5 is pressure detector; 7 is last air inlet, and 8 is second distributing pipe, and 9 for distributing branch road, and 10 is electronic aperture valve, and 12 is electric T-shaped valve; 13 is first distributing pipe, and 14 is meal outlet, and 15 are following air inlet, and 16 is discharge nozzle; 21 is first orifice, and 22 is second orifice, and 41 is first venthole, and 42 is second venthole.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Embodiment one:
The mist that is used for dry-chemical fire extinguishing as shown in Figure 1 mixes jar; It comprises that mist mixes tank body 1, and meal outlet 14 is arranged on the sidewall that mist mixes tank body, and the top that mist mixes tank body 1 also is provided with the pressure detector 5 that the mixed tank body internal pressure of mist is detected; Top and bottom that described mist mixes tank body 1 are respectively arranged with air inlet 7 and following air inlet 15; The set inside of mixing tank body 1 at mist has the atomising device that makes the dry powder atomizing, and the atomising device described in this utility model is reduced into graininess for becoming flexible through the dry powder of power gas to deposition with dry powder; And dry powder and gas are mixed; Form the device of dry powder mist, atomising device is connected with the following air inlet 15 that mist mixes tank base, and described atomising device is made up of coil pipe atomizer 2 and mushroom atomizer 4; Two kinds of atomizer combinations are used in the present embodiment; The distributor that the outer setting of the mixed tank body 1 of described mist has pair power gas source to distribute, distributor is connected with following air inlet 15 with last air inlet 7 simultaneously, and the inside of the mixed tank body of described mist also is provided with and is fixed on mixed tank body 1 inwall and the discharge nozzle 16 that communicate with meal outlet of mist; The mouth of pipe of described discharge nozzle 16 is horn-like, and described bell-mouthed axis normal is in horizontal direction.
Described mushroom atomizer 4 has stay pipe 43 and is arranged on the mushroom cap top formation on the stay pipe; The lower surface on described mushroom cap top is provided with a plurality of ventholes; Second venthole 42 under described first venthole 41 of giving vent to anger by axis and horizontal direction parallel is tilted to axis is formed; The air-flow of described first venthole plays effect loosening and atomizing to the dry powder of deposition; The air-flow that second venthole blows out atomizes to loosening dry powder and dry powder and gas is mixed, and obtains the powder extinguishing agent of suitable gas-powder ratio.
Described distributor comprises first distributing pipe 13 that is connected with following air inlet 15 and second distributing pipe 8 that is connected with last air inlet 7; Between first distributing pipe 13 and second distributing pipe 8, be provided with electric T-shaped valve 12; Electric T-shaped valve 12 is used to control the flow direction of power gas; Also comprise the distribution branch road 9 of a UNICOM first distributing pipe 13 and second distributing pipe 8, described distribution branch road 9 is provided with electronic aperture valve 10, and the distributor that here is provided with can flow to dynamic air-flow to be regulated; Can control simultaneously the size of flow of the dynamic air-flow of each flow direction, cooperate atomising device to carry out the dry powder of deposition is become flexible and mixture operation.
The bell-mouthed diameter D1 of described discharge nozzle 16 mouths of pipe is 5 times of discharge nozzle diameter D2, and adopting this design is in order extinguishing chemical can be got into fast in the discharge nozzle, to have reduced the resistance of powder delivery.
The bell-mouthed area of described flour extraction pipe 16 is S1, and horn mouth and the conical surface area at jar end are S2, and described conical surface cotton knot S2 is 3 times of horn mouth area S1; Decide bell-mouthed height through the ratio that calculates horn mouth area and conical surface area here.
The quantity ratio of described first orifice and second orifice is 3: 1.
The quantity ratio of described first venthole and second venthole is 3: 1.
Adopt the aforementioned proportion design to improve the nebulization efficiency of coil pipe atomizer with the mushroom atomizer, can the loosening and dry powder of Rapid Realization dry powder and mixing of gas.
Set forth in the face of the course of work of whole device down:
1, the electric T-shaped valve work of distributor, the control power gas gets into the following air inlet that mist mixes jar;
2, power gas passes through air inlet entering atomising device down, and the coil pipe atomizer of atomising device becomes flexible the dry powder that deposits with a mushroom atomizer and mixes;
3, after after a while, the electric T-shaped valve work of distributor turns to power gas and gets into second distributing pipe; Get into the last air inlet that mist mixes jar; The dry powder that the power gas that last air inlet gets into promotes deposition descends, and opens simultaneously this moment to be arranged on the electronic aperture valve that distributes on the branch road, and a small amount of power gas continues to get into atomising device; The atomising device continuation is become flexible the dry powder that descends and is atomized, and power gas and dry powder are carried out a mixing;
4, pressure-detecting device mixes the pressure detecting in the tank body to mist, detects the expulsion pressure that whether reaches setting.
5, when reaching setting pressure, open the injection valve that meal outlet is provided with, distributor is still according to the intake method work of step 3 simultaneously.
The utility model mixes a jar set inside atomising device through mist, and the distributor of the mixed tank body of the mist of setting outside distributes power gas source, and described atomising device and distributor are used; Can carry out one to the dry powder that is deposited on the mixed tank base of mist breaks up in advance; The dry powder of deposition is reduced into graininess, has solved dry powder and be deposited as the problem that piece can't be put out a fire, adjust distributor this moment; The gas, the powder that make mist mix a proper ratio of tank interior formation mix; Guaranteed gas and the mixing ratio of dry powder of the extinguishing chemical of ejection, the maximized effect that realizes dry-chemical fire extinguishing helps stamping out a fire timely.
The mouth of pipe of described discharge nozzle is horn-like in addition; Be convenient to the outflow of gas, powder mixture, described bell-mouthed axis normal is convenient to the entering of gas and dry powder in horizontal direction; Reduced the resistance of powder delivery; Promptly reduced the jar internal pressure that powder delivery needs, promptly reduced the manufacture difficulty of tank body, be convenient to manufacture.
This embodiment is suitable for common dry powder or ultra-fine dry powder, can reach the effect of loose powder and a mixing preferably.
Embodiment two:
The mist that is used for dry-chemical fire extinguishing as shown in Figure 4 mixes jar; It comprises that mist mixes tank body 1, and meal outlet 14 is arranged on the sidewall that mist mixes tank body 1, and the top that mist mixes tank body 1 also is provided with the pressure detector 5 that the mixed tank body internal pressure of mist is detected; Described mist mixes jar; 1 top and bottom are respectively arranged with air inlet 7 and following air inlet 15, and the set inside of mixing tank body 1 at mist has the atomising device that makes the dry powder atomizing, and atomising device is connected with the following air inlet 15 that mist mixes tank body 1 bottom; Atomising device described in this embodiment is a coil pipe atomizer 2; The distributor that the outer setting of the mixed tank body 1 of described mist has pair power gas source to distribute, distributor is connected with following air inlet 15 with last air inlet 7 simultaneously, and the inside of the mixed tank body 1 of described mist also is provided with and is fixed on mixed tank body 1 inwall and the discharge nozzle 16 that communicate with meal outlet 14 of mist; The mouth of pipe of described discharge nozzle 16 is horn-like, and described bell-mouthed axis normal is in horizontal direction.
Described coil pipe atomizer 2 is a ring pipe; The lateral wall of coil pipe atomizer 2 is provided with several first orifices 21; The radial parallel of described first orifice 21 and coil pipe atomizer 2; Also be provided with several second orifices 22 on described coil pipe atomizer 2 madial walls, the angle axial and horizontal direction of described second orifice 22 is 30 °.First orifice that is provided with directly acts on power gas on the tank skin; Be easy to form attached to the dry powder of tank skin loosening; The dry powder of being convenient to the top subsides, and can become flexible the dry powder of deposition rapidly, the bottom that second orifice that is provided with is simultaneously blown down power gas tank body simultaneously; The collision back forms an ascending air, drives gas and further mixes with loosening dry powder.
The structure of other assemblies be connected identical with embodiment one, this embodiment is applicable to that mainly ultra-fine dry powder uses.
In sum, before fire extinguishing was sprayed, the utility model can carry out one to the dry powder that deposits in the tank body through the atomising device that is provided with and effectively become flexible; And make dry powder and power gas carry out a mixing fully; Obtain the extinguishing chemical of a suitable gas-powder ratio, guaranteed that the dry powder that ejects can effectively put out a fire, improved the efficient of fire extinguishing; Overcome the gas-powder ratio inequality that conventional fire extinguisher gushes out, the defective of fire extinguishing weak effect.
Claims (9)
1. the mist that is used for dry-chemical fire extinguishing mixes jar; It comprises that mist mixes tank body; Meal outlet is arranged on the sidewall that mist mixes tank body; The top that mist mixes tank body also is provided with the pressure detector that the mixed tank body internal pressure of mist is detected, and it is characterized in that: top and bottom that described mist mixes tank body are respectively arranged with air inlet and following air inlet, and the set inside of mixing tank body at mist has the atomising device that makes the dry powder atomizing; Atomising device is connected with the following air inlet that mist mixes tank base; The distributor that the outer setting of the mixed tank body of described mist has pair power gas source to distribute, distributor is connected with following air inlet with last air inlet simultaneously, and the inside of the mixed tank body of described mist also is provided with and is fixed on mixed inner tank wall and the discharge nozzle that communicate with meal outlet of mist; The mouth of pipe of described discharge nozzle is horn-like, and described bell-mouthed axis and mist mix the parallel axes of tank body.
2. the mist that is used for dry-chemical fire extinguishing according to claim 1 mixes jar; It is characterized in that: described atomising device is the coil pipe atomizer; Described coil pipe atomizer is managed ringwise; The lateral wall of coil pipe atomizer is provided with several first orifices, and the radial parallel of described first orifice and coil pipe atomizer also is provided with second orifice of several inclinations on the described coil pipe atomizer madial wall.
3. the mist that is used for dry-chemical fire extinguishing according to claim 2 mixes jar, it is characterized in that: the angle of the axial and horizontal direction of described second orifice is between 15 °～80 °.
4. the mist that is used for dry-chemical fire extinguishing according to claim 1 mixes jar; It is characterized in that: described atomising device is the mushroom atomizer; Described mushroom atomizer is made up of stay pipe and the mushroom cap top that is arranged on the stay pipe; The lower surface on described mushroom cap top is provided with a plurality of ventholes, and second venthole under described venthole is tilted to by first venthole of axis and horizontal direction parallel and axis is formed.
5. the mist that is used for dry-chemical fire extinguishing according to claim 1 mixes jar; It is characterized in that: described distributor comprises first distributing pipe that is connected with following air inlet and second distributing pipe that is connected with last air inlet; Between first distributing pipe and second distributing pipe, be provided with electric T-shaped valve; Also comprise the distribution branch road of UNICOM's first distributing pipe and second distributing pipe, described distribution branch road is provided with electronic aperture valve.
6. the mist that is used for dry-chemical fire extinguishing according to claim 1 mixes jar, and it is characterized in that: the bell-mouthed diameter of the described discharge nozzle mouth of pipe is 2～20 times of discharge nozzle diameter.
7. the mist that is used for dry-chemical fire extinguishing according to claim 1 mixes jar, and it is characterized in that: the bell-mouthed area of described flour extraction pipe is S1, and horn mouth and the conical surface area at jar end are S2, and described S2 is 1-10 a times of S1.
8. any described mist that is used for dry-chemical fire extinguishing according to claim 2 or 3 mixes jar, and it is characterized in that: the quantity ratio of described first orifice and second orifice is 3: 1.
9. the mist that is used for dry powder extinguisher according to claim 4 mixes jar, and it is characterized in that: the quantity ratio of described first venthole and second venthole is 3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202677032U CN202207414U (en) | 2011-07-27 | 2011-07-27 | Fog mixing tank for dry powder fire extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202677032U CN202207414U (en) | 2011-07-27 | 2011-07-27 | Fog mixing tank for dry powder fire extinguishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202207414U true CN202207414U (en) | 2012-05-02 |
Family
ID=45986971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202677032U Withdrawn - After Issue CN202207414U (en) | 2011-07-27 | 2011-07-27 | Fog mixing tank for dry powder fire extinguishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202207414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327684A (en) * | 2011-07-27 | 2012-01-25 | 江苏中瑞电保智能装备有限公司 | Spray mixing tank for dry powder fire extinguishment |
-
2011
- 2011-07-27 CN CN2011202677032U patent/CN202207414U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327684A (en) * | 2011-07-27 | 2012-01-25 | 江苏中瑞电保智能装备有限公司 | Spray mixing tank for dry powder fire extinguishment |
| CN102327684B (en) * | 2011-07-27 | 2013-10-30 | 江苏中瑞电保智能装备有限公司 | Spray mixing tank for dry powder fire extinguishment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120502 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |