CN207750720U - A kind of liquid air breather for fire fighting gas cylinder - Google Patents

Abstract

The utility model is related to a kind of liquid air breather for fire fighting gas cylinder, including gas cylinder main body, the bottom end in the gas cylinder main body is equipped with bottleneck, and the bottle mouth position is equipped with combined valve, and the combined valve is equipped with gas outlet and liquid gas filler；It is equipped with MULTILAYER COMPOSITE insulating support rod in the gas cylinder main body, gas at normal temperature air supply pipe, supercharging vapor lamp and comprehensive liquid taking device are equipped in gas cylinder main body, the one end for being pressurized vapor lamp is connected to comprehensive liquid taking device；The both ends of comprehensive liquid taking device are equipped with several hook liquid collecting branch pipes, and the automatic liquid taking head of GRAVITY CONTROL is equipped on each one end of hook liquid collecting branch pipe far from comprehensive liquid taking device.Comprehensive liquid taking device is arranged in the utility model in cylinder liner, ensure gas cylinder in arbitrary orientation, liquid gasification gas supply is taken under liner liquid measure abundance state, directly gas is taken to supply when liquid measure reduces to a certain extent, it is ensured that respirator supplies outward in arbitrary orientation energy normal continuous.

Description

A kind of liquid air breather for fire fighting gas cylinder

Technical field

The utility model is related to fire-fighting equipment technical field more particularly to a kind of liquid air breather for fire fighting gas cylinder and Respirator including the gas cylinder.

Background technology

Currently, the common respiratory protection harness of emergency management and rescue personnel is with positive-pressure air respirator and oxygen breathing apparatus Main, air respiratorresuscitator is easy to operate, but usage time is shorter, and the air respiratorresuscitator of 9 liters of capacity is in high-strength working general It can use 30 minutes or so, long-time operational need cannot be met；Oxygen breathing apparatus can use the long period, but air source is high pressure Pure oxygen, use environment is limited, complicated for operation cumbersome.The starting point of the utility model is exactly respirator use in order to greatly increase Time, to meet the needs of emergency management and rescue personnel fight for a long time.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of gas cylinders of energy storing liquid air, by gas cylinder The comprehensive liquid taking device of setting in main body, it is ensured that gas cylinder normally can take liquid to supply outward in arbitrary orientation, be user Prolonged respiratory protection is provided.

The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of liquid air breather for fire fighting gas cylinder, Including gas cylinder main body, the bottom end in the gas cylinder main body is equipped with bottleneck, and the bottle mouth position is equipped with combined valve, the combined valve It is equipped with gas outlet and liquid gas filler；MULTILAYER COMPOSITE insulating support rod, the multilayer are equipped in the gas cylinder main body The both ends of compound inslation supporting rod are fixedly connected with the top of the gas cylinder body interior with bottom end respectively, in the gas cylinder main body Pass through institute equipped with gas at normal temperature air supply pipe, supercharging vapor lamp and comprehensive liquid taking device, one end of the gas at normal temperature air supply pipe It states combined valve and is connected to the gas outlet, the other end is connected to one end of the supercharging vapor lamp, described to be pressurized the another of vapor lamp End is connected to the comprehensive liquid taking device；The comprehensive liquid taking device is fixed on the inner cavity lining of the gas cylinder main body, and institute The both ends for stating comprehensive liquid taking device are equipped with several hook liquid collecting branch pipes, and each hook liquid collecting branch pipe is far from described complete The automatic liquid taking head of GRAVITY CONTROL is equipped on one end of orientation liquid taking device, the automatic liquid taking head of GRAVITY CONTROL is respectively provided at institute It states at the bottom of the interior intracavitary of gas cylinder main body and at top, and positioned at the described heavy of the bottom of the interior intracavitary of the gas cylinder main body Power controls the inlet of automatic liquid taking head towards the bottom of the interior intracavitary of the gas cylinder main body, is located at the inner cavity of the gas cylinder main body The inlet of the automatic liquid taking head of the GRAVITY CONTROL at interior top is towards the top of the interior intracavitary of the gas cylinder main body.

The utility model has the beneficial effects that：It, can be to gas by the way that MULTILAYER COMPOSITE insulating support rod is arranged in gas cylinder main body Bottle main body is supported, and compared to the external impacts that common welded insulated gas cylinder can bear bigger, supporting rod is exhausted using MULTILAYER COMPOSITE Heat exchange can be greatly lowered in edge, reduce gas cylinder Daily boil-off-rate；Cylinder liner is with lower pressure storing liquid air, institute The air capacity of storage is 2.5 times or so of the carbon fiber compressed gas cylinder of identical capacity, can meet emergency management and rescue personnel in complicated calamity Respiratory protection demand when evil scene is fought for a long time；Comprehensive liquid taking device takes liquid gasification gas supply in inner cavity liquid measure abundance, Directly gas is taken to supply when liquid measure reduces to a certain extent in inner cavity, it is ensured that respirator supplies outward in arbitrary orientation energy normal continuous Gas, overcoming general industry welded insulated gas cylinder cannot be in the use limitation that arbitrary orientation supplies.

Based on the above technical solution, the utility model can also do following improvement.

Further, the comprehensive liquid taking device includes that master takes tracheae, the master that tracheae is taken to be fixed on the interior of gas cylinder main body Intracavitary, the supercharging vapor lamp take tracheae to be connected to the master, and the master takes tracheae to be equipped with several described hook liquid collecting branch Pipe, one end of the hook liquid collecting branch pipe take tracheae to be connected to the master, and the other end extends to the inner cavity of the gas cylinder main body At bottom and at top, and the automatic liquid taking head of the GRAVITY CONTROL is equipped on the other end of the hook liquid collecting branch pipe.

Advantageous effect using above-mentioned further scheme is：Be arranged at the bottom of the inner cavity of gas cylinder main body or top at The automatic liquid taking head of GRAVITY CONTROL carries out taking gas to the liquid air for the gas cylinder body lumen for standing up or putting upside down, then passes through hook collection Liquid branch pipe is pooled to master and takes tracheae, then passes sequentially through supercharging vapor lamp, gas is discharged in the gas of gasification by gas at normal temperature air supply pipe Bottle main body, uses for the external world.

Further, inner cavity, one end of the automatic liquid taking head of GRAVITY CONTROL are equipped in the automatic liquid taking head of the GRAVITY CONTROL Be equipped with inlet, the other end is equipped with liquid outlet, and the inlet and the liquid outlet be connected to the inner cavity, it is described go out Liquid mouth is connected to the hook liquid collecting branch pipe, and the interior intracavitary of the automatic liquid taking head of GRAVITY CONTROL is equipped with can be in the GRAVITY CONTROL The valve pearl of the inner cavity activity movement of automatic liquid taking head, the diameter of the valve pearl are more than the internal diameter of the liquid outlet；The gravity control It makes the interior intracavitary of automatic liquid taking head, be equipped at the inlet for preventing the valve pearl from blocking the blocking of the inlet Block.

Advantageous effect using above-mentioned further scheme is：Storing liquid air in gas cylinder body lumen, liquid air weight In the gas that intracavitary has gasified, liquid air is always below gas, and the air accumulation that constantly gasification generates generates pressure, by liquid Body is expressed to from the automatic liquid taking head of bottom weight control and takes liquid branch pipe, and then converges to liquid flowing tube, enters back into vapor lamp.Entire mistake Journey is that the valve pearl of the automatic liquid taking head of GRAVITY CONTROL is leaned on to be automatically opened in turn according to position of the different direction adjust automatically in valve chamber Or close inlet.Since upper and lower two groups of hooks liquid collecting branch pipe is installed using reverse manner, the GRAVITY CONTROL on top takes automatically Liquid head is in the state that is automatically closed always, and the automatic liquid taking head of GRAVITY CONTROL of lower part is in always automatically opens state, works as gas cylinder When the location swap of upper and lower part, then original top, lower part the automatic liquid taking head function of GRAVITY CONTROL invert, it is ensured that liquid Body is discharged from lower part always.When the liquid air in gas cylinder inner cavity is less than the liquid taking port of extreme lower position, the GRAVITY CONTROL of lower part Automatic liquid taking head then directly takes the air to have gasified in gas cylinder inner cavity to supply outward, until gas vaporization finishes in bottle.It is above-mentioned The setting of the automatic liquid taking head of GRAVITY CONTROL can ensure that gas cylinder persistently can take liquid to supply outward in arbitrary orientation.

Further, the gas cylinder main body includes cylinder package body and the cylinder liner that is located in the cylinder package body, High-vacuum insulation layer is equipped between the cylinder liner and the cylinder package body, the comprehensive liquid taking device is located at the gas In bottle liner；It is fixed on the inner wall of the cylinder package body in the middle part of the supercharging vapor lamp, the outer wall of the cylinder liner On be enclosed with isolation heat preservation reflecting layer.The cylinder package body and the cylinder liner use austenitic stainless steel or titanium alloy Material is made.

Advantageous effect using above-mentioned further scheme is：Liquid air is stored in liner, in the outer wall of cylinder liner Upper package isolation heat preservation reflecting layer, during daily storage, high-vacuum insulation layer can effectively reduce the external heat of cylinder package Amount enters liner, reduces the gasification rate of liquid gas, extends the resting period of liquid air in bottle.Meanwhile supercharging being gasified Pipe is fixed on using welding manner on the inner wall of the cylinder package, and the liquid air transferred out in liner is by supercharging gasification External heat is absorbed during pipe gradually to gasify, and is gradually heated up under the influence of cylinder package external temperature, is reached It is suitble to the temperature range of human body respiration, ensures that user can eupnea.

Further, after the top of the MULTILAYER COMPOSITE insulating support rod is upward through and stretches out the top of the cylinder liner It is fixedly connected with the cylinder package body by support plate, the bottom end of the MULTILAYER COMPOSITE insulating support rod is through and out described It is fixedly connected with the combined valve behind the bottom end of cylinder liner, and in the MULTILAYER COMPOSITE insulating support rod and the gas cylinder The equal sealed insulation connection of courage, the cylinder package body.

Advantageous effect using above-mentioned further scheme is：MULTILAYER COMPOSITE insulating support rod is transferred by multilayer to insulate, will The heat waste at bottleneck end socket position reduces by 70% or more.

Further, the MULTILAYER COMPOSITE insulating support rod is sealedly and fixedly connected with the cylinder liner by felt pad.

Advantageous effect using above-mentioned further scheme is：MULTILAYER COMPOSITE insulating support rod passes through felt pad with cylinder liner It is sealedly and fixedly connected, the heat reduced between MULTILAYER COMPOSITE insulating support rod and cylinder liner is transmitted, and heat waste is lowered.

Further, it is fastened around on the inner wall of the cylinder package body in the middle part of the supercharging vapor lamp or in multiple companies Continuous U-shaped coiling is fixed on the inner wall of the cylinder package body.

Advantageous effect using above-mentioned further scheme is：Supercharging vapor lamp, which is surround, to be welded on the inner wall of cylinder package body Or in multiple continuous U-shaped inner walls for being coiled in cylinder package body, increase supercharging vapor lamp connects with the inner wall of cylinder package body Contacting surface is accumulated, the heat transfer speed both to improve, and the length for being pressurized vapor lamp is calculated by stringent, and liquefied air can be allowed gradual Gasify and is warming up to the comfortable temperature of human body sensory.

Further, the top side detachable formula of the gas cylinder main body is fixed with gas cylinder and stands up seat.The gas cylinder stands up seat and passes through Screw thread or buckle are fixed on the top of the gas cylinder main body.

Advantageous effect using above-mentioned further scheme is：The setting that detachable gas cylinder stands up seat can be realized when needed The upright placement that gas cylinder is consolidated facilitates filling liquid gas and repair, can will stand up seat using finishing and remove, to mitigate weight Amount.

Further, the outer wall of the cylinder package body is equipped with the vacuum valve being connected to the high-vacuum insulation layer.

Advantageous effect using above-mentioned further scheme is：The setting of vacuum valve can realize that gas cylinder interlayer is in Gao Zhen always Empty adiabatci condition effectively reduces heat exchange, reduces evaporation rate.

Further, the outer surface of the gas cylinder main body is equipped with prominent reinforcing rib and is coated with ultra-strong elasticity body material layer.

Advantageous effect using above-mentioned further scheme is：Prominent reinforcing rib improves cylinder package intensity, spraying it is superpower Elastomer has corrosion resistant, wear-resisting, fire-retardant, insulation, anti-skidding, shock proof function, greatly improves the safety in utilization of gas cylinder.

Further, further include that monitoring alarm device and the detection for detecting the amount of liquid in the cylinder liner fill It sets, the detection device is located in the cylinder liner, and the detection device passes through bluetooth equipment and the monitoring alarm device Communication connection, the monitoring alarm device are used to show the amount of liquid in the cylinder liner that the detection device detects Information, and alarm when amount of liquid is less than setting value.

Advantageous effect using above-mentioned further scheme is：By monitoring alarm device to the liquid in the cylinder liner Amount monitored in real time, when liquid measure be less than setting value when and alarm, remind user to evacuate in time by modes such as acousto-optics Safety zone, it is ensured that the safety of user.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model liquid air breather for fire fighting gas cylinder；

Fig. 2 is the structural schematic diagram of the automatic liquid taking head of the utility model GRAVITY CONTROL；

Fig. 3 is the structural schematic diagram of the utility model liquid air breather for fire fighting；

In attached drawing, parts list represented by the reference numerals are as follows：

1, gas cylinder main body, 101, cylinder package body, 102, cylinder liner, 103, high-vacuum insulation layer, 104, isolation heat preservation Reflecting layer, 2, bottleneck, 3, combined valve, 4, gas outlet, 5, liquid gas filler, 6, MULTILAYER COMPOSITE insulating support rod, 7, often Wet body air supply pipe, 8, supercharging vapor lamp, 9, comprehensive liquid taking device, 901, it is main take tracheae, 902, hook liquid collecting branch pipe, 903, The automatic liquid taking head of GRAVITY CONTROL, 910, inlet, 911, liquid outlet, 912, valve pearl, 913, stopper, 10, threeway quick coupling, 11, support plate, 12, felt pad, 13, gas cylinder stand up seat, 14, vacuum valve, 15, prominent reinforcing rib, 16, backrest, 17, full facepiece mask, 18, air supply pipe, 19, gas cylinder fix band, 20, shoulder belt, 21, waistband, 22, connection ring, 23, magic hasps, 24, belt buckle, 25, face Cover steam supply valve, 26, safety valve, 27, he rescue mask connector, 28, monitoring alarm device, 29, output control valve, 30, bluetooth sets It is standby.

Specific implementation mode

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality It is novel, it is not intended to limit the scope of the utility model.

As shown in Figure 1, the embodiments of the present invention include gas cylinder main body 1, the bottom end in the gas cylinder main body 1 is equipped with bottle Mouthfuls 2, combined valve 3 is equipped at the bottleneck 2, and the combined valve 3 is equipped with gas outlet 4 and liquid gas filler 5；Institute State and be equipped with MULTILAYER COMPOSITE insulating support rod 6 in gas cylinder main body 1, the both ends of the MULTILAYER COMPOSITE insulating support rod 6 respectively with it is described Top inside gas cylinder main body 1 is fixedly connected with bottom end, and gas at normal temperature air supply pipe 7, supercharging gasification are equipped in the gas cylinder main body 1 One end of pipe 8 and comprehensive liquid taking device 9, the gas at normal temperature air supply pipe 7 is connected to the threeway by the combined valve 3 Quick coupling 10, the other end are connected to one end of the supercharging vapor lamp 8, and the other end connection of the supercharging vapor lamp 8 is described complete Orientation liquid taking device 9；The comprehensive liquid taking device 9 is fixed on the MULTILAYER COMPOSITE insulating support rod 6, described comprehensive to take Liquid device 9 is fixed on the inner cavity lining of the gas cylinder main body 1, and the both ends of the comprehensive liquid taking device 9 are equipped with several Hook liquid collecting branch pipe 902 is each equipped on 902 one end far from the comprehensive liquid taking device 9 of the hook liquid collecting branch pipe The automatic liquid taking head 903 of GRAVITY CONTROL, the bottom for controlling automatic liquid taking head 903 and being respectively provided at the interior intracavitary of the gas cylinder main body 1 At portion and at top, and positioned at the automatic liquid taking head of the GRAVITY CONTROL 903 of the bottom of the interior intracavitary of the gas cylinder main body 1 Inlet 910 is located at the institute at the top of the interior intracavitary of the gas cylinder main body 1 towards the bottom of the interior intracavitary of the gas cylinder main body 1 The top of interior intracavitary of the inlet 910 of the automatic liquid taking head of GRAVITY CONTROL 903 towards the gas cylinder main body 1 is stated, as shown in Figure 1, Described bottom refers to the bottom of structure in attached drawing 1 in present specification, and top refers to the top of structure in attached drawing 1.It is described Gas cylinder main body 1 includes cylinder package body 101 and the cylinder liner 102 that is located in the cylinder package body 101, in the gas cylinder High-vacuum insulation layer 103 is equipped between courage 102 and the cylinder package body 101, the high-vacuum insulation layer 103 is vacuum chamber Room, and be equipped in the high-vacuum insulation layer 103 for separating the cylinder package body 101 and the cylinder liner 102 Completely cut off block (being not drawn into attached drawing), the isolation block is fixed on the inner wall of the cylinder package body 101 and abuts the gas cylinder The outer wall of liner 102 or the isolation block are fixed on the outer wall of the cylinder liner 102 and abut the cylinder package body 101 inner wall.The MULTILAYER COMPOSITE insulating support rod 6 and the comprehensive liquid taking device 9 are each provided at the cylinder liner 102 It is interior；The middle part of the supercharging vapor lamp 8 is fixed on the inner wall of the gas cylinder main body 1, is wrapped on the outer wall of the cylinder liner 102 It is wrapped with isolation heat preservation reflecting layer 104.The cylinder package body 101 and the cylinder liner 102 are all made of austenitic stainless steel (titanium alloy) material is made.Liner stores liquid gas, the package isolation heat preservation reflection on the outer wall of cylinder liner 102 Layer 104, isolation heat preservation reflecting layer 104 can prevent the temperature outside cylinder package body 101 influence cylinder liner 102 in temperature and Air pressure, meanwhile, the middle part for being pressurized vapor lamp 8 is fixed on to the inner wall of the gas cylinder main body 1, is transferred out in cylinder liner 102 Liquid gas is gradually gasified during by being pressurized vapor lamp 8, and temperature of the temperature outside cylinder package body 101 Under the influence of gradually heat up, convenient for users to draw respective air.

In the embodiments of the present invention, gas cylinder be austenitic stainless steel or titanium alloy material, can according to different needs, It is fabricated to the gas cylinder of various capacity, in the case where weight increases few, the utility model liquid air breather for fire fighting makes 2~2.5 times or so of 9 liters of positive-pressure air respirator usage times are can reach with the time.When using the ultralow of micro computer control When geothermal liquid automatic filling system is filled, it can be achieved that multiple gas cylinders simultaneously Quick-filling, and need not dismounting gas cylinder, convenient height Effect.

In the present embodiment, the combined valve 3 is equipped with safety valve 26, the safety valve 26 and the cylinder liner 102 inner cavity connection.Liquid air is stored in the cylinder liner 102 of dual-layer high vacuum heat preservation, keeps super-low liquid shape State, if under daily stored condition cylinder liner be more than design pressure, safety valve 26 can automatically open be exhausted, row pressure, Ensure safety.Inside can ensure that gas cylinder normally can take liquid to supply outward in arbitrary orientation using comprehensive liquid taking device 9.

Preferably, the comprehensive liquid taking device 9 includes that master takes tracheae 901, and it is described that the master takes tracheae 901 to be fixed on On MULTILAYER COMPOSITE insulating support rod 6, the supercharging vapor lamp 8 takes tracheae 901 to be connected to the master, and the master takes on tracheae 901 Equipped with multiple hook liquid collecting branch pipes 902, one end of multiple hook liquid collecting branch pipes 902 takes tracheae 901 to be connected to the master, separately One end extends at the bottom of the liner of the gas cylinder main body 1 or at top, and on the other end of the hook liquid collecting branch pipe 902 It is equipped with the automatic liquid taking head of GRAVITY CONTROL 903.

As shown in Fig. 2, one end of the automatic liquid taking head of the GRAVITY CONTROL 903 is equipped with inlet 910, the other end is equipped with Liquid outlet 911, the liquid outlet 911 are connected to the hook liquid collecting branch pipe 902, the automatic liquid taking head of the GRAVITY CONTROL 903 Interior intracavitary be equipped with can in the valve pearl 912 of the inner cavity activity movement of the automatic liquid taking head of the GRAVITY CONTROL 903, the valve pearl 912 Diameter is more than the internal diameter of the liquid outlet 911；The interior intracavitary of the automatic liquid taking head of the GRAVITY CONTROL 903 is located at the inlet It is equipped at 910 for preventing the valve pearl 912 from blocking the stopper 913 of the inlet 910.

Be arranged at the bottom of the inner cavity of gas cylinder main body 1 or top at the automatic liquid taking head of GRAVITY CONTROL 903 to standing up or The gas cylinder put upside down carries out taking gas, and being then pooled to master by hook liquid collecting branch pipe 902 takes tracheae 901, then passes sequentially through supercharging The gas of gasification is sent out gas cylinder main body 1 by vapor lamp 8, gas at normal temperature air supply pipe 7, is used for the external world.In gas cylinder main body 1 The liquid outlet 911 of the automatic liquid taking head of the GRAVITY CONTROL of the upper end in portion 903 downward, inlet 910 upward, valve pearl 912 is in gravity Effect is lower to block the liquid outlet 911, avoids the gasifying gas of upper end from entering master and takes tracheae 901；And positioned at gas cylinder main body 1 Liquid outlet 911 in the automatic liquid taking head of the GRAVITY CONTROL of internal lower end 903 upward, inlet 910 downward, valve pearl 912 is in weight Stopper 913 is abutted under the action of power, prevents valve pearl 912 from blocking inlet 910, realizes from cylinder liner and liquid is taken to be transported to increasing It presses in vapor lamp and gradually gasifies as the gas for human body respiration.The setting of the automatic liquid taking head of above-mentioned GRAVITY CONTROL 903 ensures gas Bottle normally can take liquid to supply outward in arbitrary orientation.Gas in gas cylinder main body 1 is liquid gas, the weight of liquid gas More than the gas of gasification, so liquefied air is made always in the lower end of the cylinder liner 102 of gas cylinder main body 1 in the pressure of gas Under, liquid is controlled into automatic liquid taking head 903 from bottom weight and is expressed to hook liquid collecting branch pipe 902, and then converges to master and takes liquid Pipe 901 enters back into supercharging vapor lamp 8.Whole process is the valve pearl 912 by the automatic liquid taking head of GRAVITY CONTROL 903 according to not Tongfang Position of the position adjust automatically in valve chamber is automatically opened or closed liquid outlet 911 in turn.Due to upper and lower two groups of hooks liquid collecting branch pipe 902 are installed using reverse manner, i.e. the automatic liquid taking head of the GRAVITY CONTROL of one end 903 is towards the top of gas cylinder main body 1, separately The automatic liquid taking head 903 of the GRAVITY CONTROL of one end is towards the bottom end of gas cylinder main body 1, it is preferred that the hook liquid collecting branch pipe 902 Close to the setting of the inner wall of the top of the cylinder liner 102 of the gas cylinder main body 1 and bottom end, the automatic liquid taking head of GRAVITY CONTROL on top 903 are in are automatically closed state always, and the automatic liquid taking head of the GRAVITY CONTROL of lower part 903 is in always automatically opens state, it is ensured that Liquid can only be discharged from lower part.When in gas cylinder liquid air be less than lowest point liquid taking port position when, then the GRAVITY CONTROL of lower part from Dynamic liquid taking head 903 can directly take the gasifying gas in bottle to supply outward, until liquid air finishes in bottle.Above-mentioned gravity control The setting for making automatic liquid taking head 903 can ensure that gas cylinder can continue to supply outward in arbitrary orientation.

Preferably, the top of the MULTILAYER COMPOSITE insulating support rod 6 is upward through and stretches out the top of the cylinder liner 102 It is fixedly connected with the cylinder package body 101 by support plate 11 behind portion, the bottom end of the MULTILAYER COMPOSITE insulating support rod 6 passes through And be fixedly connected with the combined valve 3 after stretching out the bottom end of the cylinder liner 102, and the MULTILAYER COMPOSITE insulating support rod 6 connect with 102 sealed insulation of the cylinder liner, and the MULTILAYER COMPOSITE insulating support rod 6 is with the cylinder liner 102 by exhausted Edge pad 12 is sealedly and fixedly connected.MULTILAYER COMPOSITE insulating support rod 6 is transferred by multilayer to insulate, by the heat of the end socket on 2 periphery of bottleneck Damage reduces by 70% or more, reduces evaporation rate, and MULTILAYER COMPOSITE insulating support rod 6 is sealed with cylinder liner 102 by felt pad 12 solid Fixed connection, the heat reduced between MULTILAYER COMPOSITE insulating support rod 6 and cylinder liner 102 are transmitted, and heat waste is lowered.

Preferred embodiment is：The middle part of the supercharging vapor lamp 8 is looped around on the inner wall of cylinder package body 101 or in more A continuous U-shaped inner wall for being coiled in cylinder package body 101, increases supercharging vapor lamp 8 and the inner wall of cylinder package body 101 Contact area, the heat transfer speed both to improve realize that liquid air gradually gasifies in supercharging vapor lamp and is warming up to people Body-sensing feels comfortable temperature, is used for the external world.

In the embodiments of the present invention, the top of the gas cylinder main body 1 stands up seat 13 equipped with detachable gas cylinder, just It is stood up in ground in by entire respirator, liquid air can be directly injected into without dismantling gas cylinder main body 1 and backrest 16.Using micro- When computer super-low liquid automatic filling unit fills, single air cylinder completed the time of filling within two minutes, only positive-pressure type 1/4 or so of air respiratorresuscitator gas cylinder filling time, and can simultaneously be multiple gas cylinders quickly be filled, long lasting for When needs of fighting largely fill gas, aeration speed several times faster than positive-pressure air respirator.

In the embodiments of the present invention, other than reducing heat waste using the multiple insulation of welded insulated gas cylinder, Cylinder package is using prominent reinforcing rib 15 and sprays ultra-strong elasticity body, and the anti-external force collision ability of gas cylinder is improved several times.It is right The positions such as the maximum neck tube of gas cylinder thermal evaporation have carried out re-optimization design, have carried out high integration to valve and have reduced size, MULTILAYER COMPOSITE insulating support rod 6 is set in liner simultaneously, is transferred and is insulated by multilayer, the heat waste rate at neck tube position is reduced 70% or more, by a variety of Optimized Measures, the Daily boil-off-rate of the gas cylinder is made to drop to a rather low level.

In the embodiments of the present invention, when gas cylinder main body 1 stands (non-working condition) after filling liquid, due to slow Heat exchange, small part liquid gasification, cylinder liner pressure slowly rise, when reaching design pressure limiting value, safety valve 26 It automatically opens, discharge part gas, inner liner pressure reduces, and safety valve is closed, to ensure gas cylinder safely.

As shown in figure 3, the utility model be also disclosed a kind of liquid gas breather for fire fighting include backrest 16, full facepiece mask 17 with And liquid gas fire-fighting special welding insulated gas cylinder described above, the gas cylinder main body 1 are fixed in the backrest 16, institute Full facepiece mask 17 is stated to be connected to the gas outlet 4 by air supply pipe 18.It is fixed with gas cylinder in the backrest 16 and fixes band 19, the gas Bottle main body 1 is fixed band 19 by the gas cylinder and is fixed in the backrest 16；The both sides on the top of the backrest 16 are fixed to be connected It is connected to a shoulder belt 20, the both sides of the lower part of the backrest 16 are fixed with a waistband 21, and one end of two waistbands 21 is solid Surely the both sides of the lower part of the backrest 16 are connected to, the other end is equipped with the belt buckle 24 for being mutually matched connection, two shoulder belts 20 one end is separately fixed at the both sides on the top of the backrest 16, and other end one-to-one correspondence is fixedly connected with two waistbands 21。

The gas outlet 4 goes out equipped with output control valve 29, and it is quick that the output control valve 29 through air supply hose leads to threeway Connector 10 is parallel with mask sky in threeway quick coupling 10 and connector and he is exhaled to rescue mask connector 27, and mask sky exhales connector through gas supply Pipe 18 connects mask steam supply valve 25.

Using liquid air breather for fire fighting, the storage level of the oxygen in gas cylinder is improved, to improve usage time, more preferably The fireman that meets carry out operation respiratory protection of speedily carrying out rescue work for a long time in complex environment, using the setting of waistband 21 and shoulder belt 20, Convenient for users to using liquid gas respirator with comfortable state.

The preferred technical solution of the utility model is：The gas cylinder fixes two band edges of band 19 respectively to 16 ontology of backrest Both sides extend, and one end which fixes band 19 is connection ring 22, and the other end that gas cylinder fixes band 19 is connected with magic hasps 23。

The utility model further includes monitoring alarm device 28 and for detecting the amount of liquid in the cylinder liner 102 Detection device, the detection device are located in the cylinder liner 102, and the detection device passes through bluetooth equipment 30 and the prison The communication connection of warning device 28 is controlled, the monitoring alarm device 28 is for showing the gas cylinder that the detection device detects The information of the amount of liquid of 1 liner of main body, and alarm when amount of liquid is less than setting value.By monitoring alarm device 28 to institute The amount of liquid stated in cylinder liner 102 is monitored in real time, when liquid measure be less than setting value when and alarm, pass through acousto-optic etc. side Formula reminds user to evacuate to safety zone in time, it is ensured that the safety of user.

The utility model can carry out gas cylinder main body 1 by the setting MULTILAYER COMPOSITE insulating support rod 6 in gas cylinder main body 1 Support is played the role of reinforcing 1 intensity of gas cylinder main body；The comprehensive liquid taking device 9 of setting in gas cylinder main body 1, ensures gas cylinder master Body 1 normally can take liquid to supply outward in arbitrary orientation, and avoiding during use cannot be just since gas cylinder main body 1 is toppled over Often the case where gas supply, the safety that gas cylinder uses is improved.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of liquid air breather for fire fighting gas cylinder, which is characterized in that including gas cylinder main body (1), in the gas cylinder main body (1) Bottom end be equipped with bottleneck (2), combined valve (3) is equipped at the bottleneck (2), the combined valve (3) is equipped with gas outlet (4) And liquid gas filler (5)；MULTILAYER COMPOSITE insulating support rod (6), the MULTILAYER COMPOSITE are equipped in the gas cylinder main body (1) The both ends of insulating support rod (6) are fixedly connected with the top of the gas cylinder main body (1) inside with bottom end respectively, the gas cylinder main body (1) gas at normal temperature air supply pipe (7), supercharging vapor lamp (8) and comprehensive liquid taking device (9), the gas at normal temperature gas supply are equipped in The one end for managing (7) is connected to the gas outlet (4) by the combined valve (3), the other end connection supercharging vapor lamp (8) The other end of one end, the supercharging vapor lamp (8) is connected to the comprehensive liquid taking device (9)；The comprehensive liquid taking device (9) It is fixed on the interior intracavitary of the gas cylinder main body (1), and the both ends of the comprehensive liquid taking device (9) are equipped with several hook collection Liquid branch pipe (902) is each equipped on the one end of the hook liquid collecting branch pipe (902) far from the comprehensive liquid taking device (9) The automatic liquid taking head of GRAVITY CONTROL (903), the automatic liquid taking head of GRAVITY CONTROL (903) are respectively provided at the gas cylinder main body (1) At the bottom of interior intracavitary and at top, and certainly positioned at the GRAVITY CONTROL of the bottom of the interior intracavitary of the gas cylinder main body (1) The bottom of interior intracavitary of the inlet (910) of dynamic liquid taking head (903) towards the gas cylinder main body (1), is located at the gas cylinder main body (1) inlet (910) of the automatic liquid taking head of the GRAVITY CONTROL (903) at the top of interior intracavitary is towards the gas cylinder main body (1) top of interior intracavitary.

2. a kind of liquid air breather for fire fighting gas cylinder according to claim 1, which is characterized in that described comprehensive to take liquid Device (9) include it is main take tracheae (901), the master takes tracheae (901) to be fixed on the interior intracavitary of gas cylinder main body (1), the supercharging Vapor lamp (8) takes tracheae (901) to be connected to the master, and the master takes tracheae (901) to be equipped with several described hook liquid collecting branch It manages (902), one end of the hook liquid collecting branch pipe (902) takes tracheae (901) to be connected to the master, and the other end extends to the gas It is equipped at the bottom of the inner cavity of bottle main body (1) and at top, and on the other end of the hook liquid collecting branch pipe (902) described heavy Power controls automatic liquid taking head (903).

3. a kind of liquid air breather for fire fighting gas cylinder according to claim 2, which is characterized in that the GRAVITY CONTROL is certainly One end of dynamic liquid taking head (903) is equipped with inlet (910), and the other end is equipped with liquid outlet (911), the liquid outlet (911) It is connected to the hook liquid collecting branch pipe (902), the interior intracavitary of the automatic liquid taking head of GRAVITY CONTROL (903) is equipped with can be described heavy Power controls the valve pearl (912) of the inner cavity activity movement of automatic liquid taking head (903), and the diameter of the valve pearl (912) goes out more than described in The internal diameter of liquid mouth (911)；The interior intracavitary of the automatic liquid taking head of GRAVITY CONTROL (903) is equipped at the inlet (910) For preventing the valve pearl (912) from blocking the stopper (913) of the inlet (910).

4. a kind of liquid air breather for fire fighting gas cylinder according to any one of claims 1 to 3, which is characterized in that described Gas cylinder main body (1) includes cylinder package body (101) and the cylinder liner (102) that is located in the cylinder package body (101), institute It states and is equipped with high-vacuum insulation layer (103) between cylinder liner (102) and the cylinder package body (101), the MULTILAYER COMPOSITE is exhausted Edge supporting rod (6) and the comprehensive liquid taking device (9) are each provided in the cylinder liner (102)；The supercharging vapor lamp (8) it is fixed on the inner wall of the cylinder package body (101) by the way of welding, on the outer wall of the cylinder liner (102) It is enclosed with isolation heat preservation reflecting layer (104).

5. a kind of liquid air breather for fire fighting gas cylinder according to claim 4, which is characterized in that the MULTILAYER COMPOSITE is exhausted The top of edge supporting rod (6) be upward through and stretch out behind the top of the cylinder liner (102) by support plate (11) with it is described Cylinder package body (101) is fixedly connected, and the bottom end of the MULTILAYER COMPOSITE insulating support rod (6) is through and out the cylinder liner (102) it is fixedly connected with the combined valve (3) behind bottom end, and the MULTILAYER COMPOSITE insulating support rod (6) and the gas cylinder The sealed insulation connection of liner (102), the cylinder package body (101).

6. a kind of liquid air breather for fire fighting gas cylinder according to claim 5, which is characterized in that the MULTILAYER COMPOSITE is exhausted Edge supporting rod (6) is sealedly and fixedly connected with the cylinder liner (102) by felt pad (12).

7. a kind of liquid air breather for fire fighting gas cylinder according to claim 4, which is characterized in that the supercharging vapor lamp (8) it is fastened around on the inner wall of the cylinder package body (101) or is fixed in multiple continuous U-shaped coilings described in the middle part of On the inner wall of cylinder package body (101).

8. a kind of liquid air breather for fire fighting gas cylinder according to any one of claims 1 to 3, which is characterized in that described The top side detachable formula of gas cylinder main body (1) is fixed with gas cylinder and stands up seat (13).

9. a kind of liquid air breather for fire fighting gas cylinder according to claim 4, which is characterized in that the cylinder package body (101) outer wall is equipped with the vacuum valve (14) being connected to the high-vacuum insulation layer (103).

10. a kind of liquid air breather for fire fighting gas cylinder according to any one of claims 1 to 3, which is characterized in that described The outer surface of gas cylinder main body (1) is equipped with prominent reinforcing rib (15) and is coated with layer of elastomer material.