CN2072648U - Combined fume extractor - Google Patents

Combined fume extractor Download PDF

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Publication number
CN2072648U
CN2072648U CN 90214518 CN90214518U CN2072648U CN 2072648 U CN2072648 U CN 2072648U CN 90214518 CN90214518 CN 90214518 CN 90214518 U CN90214518 U CN 90214518U CN 2072648 U CN2072648 U CN 2072648U
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CN
China
Prior art keywords
guide duct
combined
draft fan
parallel
air inlet
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Withdrawn
Application number
CN 90214518
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Chinese (zh)
Inventor
王嘉謇
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State-Owned No513 Factory
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State-Owned No513 Factory
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Publication date
Application filed by State-Owned No513 Factory filed Critical State-Owned No513 Factory
Priority to CN 90214518 priority Critical patent/CN2072648U/en
Publication of CN2072648U publication Critical patent/CN2072648U/en
Withdrawn legal-status Critical Current

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Abstract

The utility model discloses a combined fume extractor of which the single machine is composed of a gasoline engine assembly, a carriage, a screw propeller, an air inlet guiding duct, an air exhaust guiding duct, an extinguishing agent spout, an outer cover and a shielding cover. The combined fume extractor is formed by connecting the single machine in series or in parallel or in both series and parallel by a guiding duct joint and a T-shaped three-way guiding duct joint. The utility model can be suitable for the smoke pumping operation and the smoke blowing operation or the fire fighting operation of the fire fighting sites with various long distances, short distances and sizes, and the fire fighting sites with various hazardous gases which are inflammable and explosive. The utility model has the advantages of simple structure, portability, lightness, convenient assembly, disassembly and use, and low cost, the single machine can be pushed, lifted, and carried, and the combined fume extractor is suitable for each fire brigade to collocate and use.

Description

Combined fume extractor
Combined induced-draft fan of the present utility model belongs to fire-fighting equipment.
Fire fighting scene in real life, often with a large amount of smog, visibility is extremely low.The smog in the scene of a fire not only can make the fire fighter be difficult to distinguish burning things which may cause a fire disaster, gives fire extinguishing rapidly, rescues the people and waits work to bring difficulty.And can make the fire fighter be difficult to stand, also can cause swinging when serious and rescue and swung and rescue personnel's death by suffocation.At the after-stage of fire fighting, also need rapid venting smog, have or not latent fire so that check.In addition, when the scene of the accident produces inflammable in a large number, explosive, toxic gas, need these hazardous gases of rapid venting, send to fresh air, in case the generation of major accident.
The patent No. be CN87212401's " induced-draft fan ", though solved the problems referred to above basically, also there are the following problems in actual the use:
(1). effectively active length is short, can not be used for long distance, the smoke evacuation in the big scene of a fire;
(2). no firing and explosion prevention measure can not really work in the occasion of hazardous gas such as inflammable, explosive;
(3). do not have the illumination function, can not satisfy the base lighting needs at smog scene.
The purpose of this utility model is to develop and a kind ofly can be applicable to the length distance, big or small scene can work in occasion inflammable, explosion hazard gases again, and has illumination functions, combined induced-draft fan easy to use.
Realize that combined induced-draft fan of the present utility model is is on the basis of induced-draft fan of CN87212401 in the patent No., has done further improvement:
(1). the gasoline engine assembly dislocation that gasoline engine, fuel tank, muffler etc. are formed is outside flue, and in addition outer cover shielding, improving the firing and explosion prevention ability of complete machine, is unlikely so that use in pernicious gas such as inflammable, explosive and causes major accident;
(2). at the air inlet guide duct of setting up anti-flat rigid backbone with main frame one end of the airintake direction of screw.Main frame can not enter the scene of a fire like this, has further improved explosion-proof, anti-flaming ability;
(3). on the main frame outer cover or on the radome of gasoline engine assembly, the device illuminating lamp.Its power supply is supplied with by the power source generating of gasoline engine;
(4). with above-mentioned unit is elementary cell, code requirement guide duct interface is connected into the combined exhaust gas machine with many units, increasing effective active length, or adopts "T"-shaped three-way wind guide pipe joint, with many units one-tenth in parallel combined type induced-draft fan, to improve total flow.Perhaps code requirement guide duct interface and "T"-shaped three-way wind guide pipe joint with many unit series and parallels, are formed the box-like induced-draft fan of combined group, can solve the needs in long distance, the big or small scene of a fire.
Combined induced-draft fan of the present utility model, because unit has been carried out above-mentioned improvement, improved the unit performance, can not only use by unit simultaneously, also can the multimachine series connection use, or multi-machine parallel connection uses, or the multimachine series and parallel mix to use, so can be applicable to various long and short distances, the smoking at the fire fighting scene of the big or small scene of a fire and various abominable gases such as inflammable, explosive, blows cigarette or the operation of putting out a fire, and it is simple in structure, unit can push away, and can lift, and can carry on the back, light and handy flexibly, easy to use, with low cost, be applicable to each fire brigade's configuration use.
Accompanying drawing 1. is unit structural representations of the present utility model.
Accompanying drawing 2. is the utility model resonant mode back-fire relief muffler structure schematic diagram.
Accompanying drawing 3. is schematic diagrames that the utility model unit blows cigarette or fire extinguishing user mode.
Accompanying drawing 4. is that the utility model is smoked ventilation user mode schematic diagram.
Accompanying drawing 5. is smokings of the utility model multimachine tandem compound formula induced-draft fan, ventilation user mode schematic diagram.
Accompanying drawing 6. is smokings of the utility model multimachine series and parallel combined exhaust gas machine, the schematic diagram of ventilation user mode.
By accompanying drawing 1 as can be known, the basic structure of the utility model unit and the patent No. are that CN87212401's the structure of " induced-draft fan " is basic identical, still are made up of gasoline engine (9), dolly (3), screw (4), outer cover (6), extinguishing chemical spout critical pieces such as (7).Different is that its guide duct is divided into air inlet guide duct (2) and exhaust guide duct (8), is arranged at the two ends of main frame respectively, makes long siphunculus by flexible material, flexible use.Inner tubal wall at air inlet guide duct (2) also is provided with shrinking-proof ring shape rigid backbone (10), make it also can obviously recessed flat distortion under the negative pressure in pipe, the flexibility of its passage makes it easy to use, and any occasion that can easily be used for corner, successfully outwards smoke, guiding smog spreads outside the scene of a fire.Also be provided with detachably at the entrance point of air inlet guide duct (2) and maybe can receive the strut of tearing open (1),, improve smoke discharging effect so that air inlet guide duct entrance point is supportted to desired height and position, the left and right sides.The gasoline engine assembly of being made up of gasoline engine, fuel tank, muffler etc. (9) adds radome, and to guarantee to be operated in the environment of dangerous gas, wherein gasoline engine generally is 5 horse power petrol engines of mobility strong.And muffler is the resonant mode back-fire relief muffler shown in the accompanying drawing 2, during because of the gasoline engine exhaust, not only noise is big, and might have remaining Mars in the waste gas, design this resonant mode back-fire relief muffler, it is made up of muffler body (11) and back-fire relief aperture dividing plate (12) for this reason.Back-fire relief aperture dividing plate (12) is arranged on the nearly middle part of muffler body (11), has aperture on the dividing plate, and the remaining Mars in the waste gas stopped by these apertures, makes in the waste gas of discharge not contain remaining Mars, to strengthen anti-flaming, the explosion-proof ability of complete machine.These apertures also have sound deadening simultaneously, thereby have further improved erasure effect.Select the physical dimension and the shape of muffler body inner chamber, make the gas column and the gasoline engine exhaust noise resonance of whole muffler inner chamber, to reach both noise reductions, the purpose of not loss gasoline engine power basically again.Upward or on the radome of gasoline engine assembly illuminating lamp (5) is installed at outer cover (6), to satisfy the needs of the on-the-spot illumination of fire fighting.Dolly (3) still adopts a kind of portable steel-tube construction, and a pair roller is equipped with in the bottom, is designed to push away, can lifts, Knapsack.Screw (4) is fixed within the main frame outer cover (6), link to each other with the gasoline engine main shaft by transmission system (belt, gear etc.), its blade is made up of two or several pieces, the geometry of blade designs according to the air force principle, guarantee that the screw ambient air will be subjected to the aerodynamic force effect and flow at high speed when it rotates with gasoline engine main shaft one superhigh speed.Outer cover (6) is designed to import and export cylindric of streamline shape, and at the anterior port of cylindrical shell extinguishing chemical spout (7) is set.
By accompanying drawing 5 and accompanying drawing 6 as can be known, box-like induced-draft fan of multimachine series and parallel combined group and parallel combination type induced-draft fan are by the be connected realization of standardization guide duct interface (16) with "T"-shaped three-way wind guide pipe joint (17).And the tandem compound formula induced-draft fan of multimachine to be connection by standardization guide duct interface (16) realize.This interface can be made buckle type or other form that can connect fast mutually, tear open, with realize multimachine in the fire fighting scene rapid series, parallel or the connection of series and parallel.Or be disassembled into the unit use by unit mahine rapidly.(13) in the accompanying drawing 5 are the exhaust guide duct, and (14) are the unit main frame, and (15) are the air inlet guide duct.
During many unit serial or parallel connections, connecting between per two main frames and the air inlet guide duct, can be complete flexible, and also part is with rigid backbone, but the air inlet guide duct of first unit must have the flat annular steel frame of preventing in its pipe.
Blow smog when combined induced-draft fan conduct of the present utility model, during fire-fighting work, remove the inlet and outlet guide duct, main frame is pushed into the on-the-spot edge of smog, start gasoline engine, the wind post that screw is blown out can blow, sweep smog facing to the smog scene.This moment, blowing out the wind cornice had high-efficiency fire-extinguishant if open extinguishing chemical spout switch, aimed at burning things which may cause a fire disaster, can reach the fire extinguishing purpose.
When combined induced-draft fan of the present utility model is worked as the smoking mist, the unit that will have the inlet and outlet guide duct is pushed into the smog scene, start gasoline engine, the air inlet of air inlet guide duct is progressed into the smog scene, the outlet of exhaust guide duct places the open ground, and scene of a fire smog will be drawn the scene of a fire by the inlet and outlet guide duct.When unit guide duct length is not enough, can adopt the multimachine series connection to use, when needs increase flow, can adopt multi-machine parallel connection to use.If should increase length, increase flow again, then can adopt the multimachine series and parallel to mix and use.
Combined induced-draft fan of the present utility model also can be used as smoke evacuation, air blast, the ventilation in engineering fields such as mining site, tunnel and uses.

Claims (5)

1, a kind of combined induced-draft fan, its unit is by gasoline engine assembly (9), dolly (3), screw (4), outer cover (6), extinguishing chemical spout (7), exhaust guide duct (8) constitutes, its feature also is to set up air inlet guide duct (2) with main frame one end of the airintake direction of screw (4), gasoline engine assembly (9) is placed within the radome, illuminating lamp (5) is installed on outer cover (6) or radome, its combined exhaust gas machine is by standardization guide duct interface (16) unit to be connected, or it is unit is in parallel or go here and there by guide duct interface (16) and "T"-shaped three-way wind guide pipe joint (17), parallel connection, and constitute tandem, parallel or the string, hybrid-type combined exhaust gas machine in parallel.
2, combined induced-draft fan according to claim 1 is characterized in that being provided with shrinking-proof ring shape rigid backbone (10) in the pipe of air inlet guide duct (2).
3, combined induced-draft fan according to claim 1 and 2 is characterized in that the nearly middle part of muffler body (11) of gasoline engine assembly (9) is provided with the dividing plate (12) that has the back-fire relief aperture.
4, combined induced-draft fan according to claim 1 and 2 is characterized in that the entrance point of air inlet guide duct (2) also is provided with the detachable strut of tearing open (1) of maybe can receiving.
5, combined induced-draft fan according to claim 3 is characterized in that the entrance point of air inlet guide duct (2) also is provided with the detachable strut of tearing open (1) of maybe can receiving.
CN 90214518 1990-09-07 1990-09-07 Combined fume extractor Withdrawn CN2072648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90214518 CN2072648U (en) 1990-09-07 1990-09-07 Combined fume extractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90214518 CN2072648U (en) 1990-09-07 1990-09-07 Combined fume extractor

Publications (1)

Publication Number Publication Date
CN2072648U true CN2072648U (en) 1991-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 90214518 Withdrawn CN2072648U (en) 1990-09-07 1990-09-07 Combined fume extractor

Country Status (1)

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CN (1) CN2072648U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108079474A (en) * 2018-01-11 2018-05-29 苏州瑞奇安机电科技有限公司 Smoke evacuation fire-fighting equipment and smoke evacuation fire-fighting robot
CN110715383A (en) * 2019-11-15 2020-01-21 天津市金中基暖通净化设备有限公司 Fire-fighting ventilation system with multiple smoke exhaust valves connected in series
CN115054851A (en) * 2022-05-31 2022-09-16 青岛澳西智能科技有限公司 Fog bubble fire extinguishing and smoke discharging fire-fighting robot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108079474A (en) * 2018-01-11 2018-05-29 苏州瑞奇安机电科技有限公司 Smoke evacuation fire-fighting equipment and smoke evacuation fire-fighting robot
CN110715383A (en) * 2019-11-15 2020-01-21 天津市金中基暖通净化设备有限公司 Fire-fighting ventilation system with multiple smoke exhaust valves connected in series
CN115054851A (en) * 2022-05-31 2022-09-16 青岛澳西智能科技有限公司 Fog bubble fire extinguishing and smoke discharging fire-fighting robot

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C06 Publication
PB01 Publication
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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee