CN2201146Y - Flow controllable continuous oxygen feeding device - Google Patents

Abstract

The utility model relates to a flow regulable or continuous oxygen supply device, which is composed of a storage box for oxygen generating agents, an alleviating reaction chamber, a defogging chamber with rotational flows, a multifunctional purifying chamber, a special flow regulating valve for oxygen generating agents, a cooling oxygen scrubber, a temperature regulator, a conducting pipe respirator, etc. The utility model uses liquid oxygen generating agents, such as hydrogen peroxide, etc. All of the components are made of plastic materials. Conditions for generating oxygen in the reaction chamber are alleviated. The utility model is cooled by natural wind, and heat removing load of a back system is reduced. Oxygen with high purity is fully purified, filtered and washed, and the quality of the oxygen reaches to the standard of medical oxygen supply. The activity of a catalyst is active. The utility model has the advantages of reasonable structural design and long service life.

Description

Flow controllable continuous oxygen feeding device

It is the adjustable apparatus of oxygen supply of long-time running continuously of flow of liquid oxygen-making agent with the hydrogen peroxide that the utility model relates to a kind of.

Existing chemical oxygen generation technology relates generally to two big classes, with solid-state oxygen-making agent with the liquid oxygen-making agent, the former mostly is disposable use, and apparatus structure is simple, easy to carry, but having the little lasting steady oxygen supply time of oxygen-producing amount short, normally is 20-30 minute, changes frequent, chemical agent, cooling agent and catalyst consumption are big, discard solution and the protection of container adverse environment, the high deficiency of cost of use; The latter, adopt the liquid oxygen-making agent, though can accomplish that oxygen-producing amount is big, oxygen supply steadily reaches advantages such as longer duration, but because reaction heat height, need to force cooling (water, air or chemical reagent are cooling medium), factors such as pressure adjusting and the automatic control of flow, cause complex structure, deficiencies such as operation inconvenience are difficult to penetration and promotion in (individual) family or among the people, (JP540219703,542890, GB2167054, US4548730, EP0129854 etc.), though the CN1049137 Chinese patent proposes the simple type oxygenerator, but, produce oxygen duration weak point, system and gas cooled deficiency because of the structural design restriction, problems such as the catalyst consumption is big, when high oxygen supply demand, need to adopt that multiple arrangement is in parallel uses, manipulate inconvenience.

The purpose of the utility model is to provide a kind of penetration and promotion individual among the people that is beneficial to, family and group's daily health caring, medical treatment, and even the adjustable continuously long-time apparatus of oxygen supply of first aid demand.

The purpose of this utility model is achieved in that

The utility model is the adjustable continuous oxygen supply device of a kind of flow, it is characterized in that: between oxygen-making agent tank (1) and reative cell (2), be provided with oxygen-making agent flow control valve (3) and vortex-flow and defrosting chamber (4), oxygen-making agent tank (1) communicates with reative cell (2) by oxygen-making agent flow control valve (3), be provided with between vortex-flow and defrosting chamber (4) and the reative cell (2) that overfall (15) and swirl nozzle (16) communicate them at the bottom of the vortex-flow and defrosting chamber, one end of vortex-flow and defrosting chamber (4) is connected with multifunctional purifying chamber (6) through rising gas downspout (14), clean room (6) communicates with cooling scrubber (8) by cooling scrubber inlet tube (19), cooling scrubber (8) is connected with humidistat (9) by humidistat inlet tube (20), and humidistat (9) also is provided with conduit and respirator (12).

Oxygen-making agent flow control valve (3) comprises valve body (31), valve gap (32), turn-knob and valve rod (33), valve body (31) outer surface is fixed with a flow dial (34), be provided with a valve block core (36) in the valve body (31), the one end is near the part silicone rubber tube (37) that is through in the valve body (3), its other end has an arc groove, eccentric wheel (35) crouches in this arc groove, and eccentric wheel (35) is fixedlyed connected with turn-knob and valve rod (33).

Reative cell (2) is isolated into conversion zone by being communicated with dividing plate (21) and weir plate (22), waste liquid section of staticizing (2B) and waste collection are discharged section (2C), its waste liquid outlet is higher than Catalytic Layer (18) and goes up the interface, also is provided with waste liquid overflow outlet valve (10) and waste liquid outlet valve (11) on the reative cell (2).

Swirl nozzle (16) favours horizontal line.

Staticize the catalyst that catalyst layer (18) are housed respectively in the chamber (6) from bottom to top, granular inert filler of rough surface or hole and hydrophobic macromolecular fibre filter course.

The end that cooling scrubber inlet tube (19) inserts in the cooling scrubber (8) is connected with an oxygen distribution head (13), and the clean water of 2/3 height is housed in the scrubber (8).

1/2-2/3 height clean water is housed in the humidistat (9), and its temperature is lower than 35 ℃, and an end that inserts the humidistat inlet tube of humidistat is provided with oxygen distribution head (13).

Oxygen distribution head (13) is taper porous or spherical porous head.

Be provided with pressure-equalizing pipe (7) between oxygen-making agent tank (1) and vortex-flow and defrosting chamber (4).

The utility model is owing to adopt said structure to have the oxygen-producing amount height, and simple in structure, the continuous oxygen supply of volume I, and the adjustable characteristics of oxygen flow are applicable to family and group's daily health caring, medical treatment, and even the first aid demand.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is a structure chart of the present utility model.

Fig. 2 cuts open figure for the master of oxygen-making agent flow control valve.

Fig. 3 is that the A-A of Fig. 2 is to sectional side view.

Fig. 4 is the vertical view of oxygen-making agent flow control valve.

In the accompanying drawing:

1. oxygen-making agent tank 11. waste liquid outlet valves

2. reative cell 12. conduits and respirator

2A conversion zone 13. oxygen distribution head

14. liters of gas downspouts of 2B clean-up stage

Overfall at the bottom of the 2C waste collection discharge section vortex-flow and defrosting chambers 15.

3. oxygen-making agent flow control valve 16. swirl nozzles

4. vortex-flow and defrosting chamber 17. catalyst add inlet

5. oxygen-making agent adds inlet 18. catalyst layers

6. the scrubber inlet tubes cool off in clean room 19.

7. pressure-equalizing pipe 20. humidistat inlet tubes

8. cooling scrubber 21. is communicated with dividing plate

9. humidistat 22. weir plates

10. waste liquid overflow outlet valve 61. cleaning catalyst sections

62. purification packing section

63. filter course

31. valve body 35. off-centre operations wheel

32. valve gap 36. valve block cores

33. turn-knob and valve rod 37. silicone rubber tubes

34. flow scale dish 38. pins

The adjustable continuous oxygen supply device of the utility model design is made up of following major function member; Oxygen-making agent tank (1), reative cell (2), oxygen-making agent flow control valve (3) vortex-flow and defrosting chamber (4), multifunctional purifying chamber (6), and cooling scrubber (8), humidity regulation (9) and conduit respirator (12) etc., in detail as shown in Figure 1.

This apparatus of oxygen supply operation process is as follows, and rotation oxygen-making agent flow control valve (3) is to predetermined graduated, and the liquid oxygen-making agent is promptly by tank (1) bottom flow export, and silicone rubber tube (37) Fig. 2 in control valve (3) splashes in the reative cell (2); Granular catalyst layer (18) is housed in the reative cell (2), as the load catalyst of the compound of filtering metal manganese, cobalt, iron and be soaked in water or the surplus liquid of reaction mother liquor among, the oxygen-making agent liquid that splashes into, through dilution and diffusion, fully contact with catalyst, take place to decompose or the reaction of product oxygen, the rapid output of oxygen, leave the reaction mother liquor interface, through swirl nozzle mouth (16), enter vortex-flow and defrosting chamber (4), the droplet that Oxygen Flow is carried secretly is assembled and is flow to the bottom along locular wall, and returns reative cell through overfall (15); Part demist oxygen enters multifunctional purifying chamber (6) through rising gas downspout (14); In the clean room through chemical cleaning method section (61), physical cleaning section (62) and filter course (63), wherein each kind of impurity droplet of oxygen all removes, purity reaches more than 99.7%; Enter cooling scrubber (8) and humidistat (9) again, its quality promptly reaches medical service property (quality) requirement, and provides the user to use through conduit and respirator (12), has finished product oxygen, all processes that oxygen supply and purification require; Rise gradually at the indoor reaction liquid level of product oxygen process reaction, the reaction liberated heat is directly absorbed by reaction mother liquor, few partly heat is taken out of with droplet by oxygen and the steam that carries thereof, by the set component surface heat radiation of back systems such as clean room and cool off scrubber (8) and absorbed; The reaction mother liquor liquid level rises, its temperature also rises gradually, when liquid level rises to weir plate (22) extreme higher position, reactant liquor begins overflow to waste liquid to be assembled among the discharge section (2C), waste liquid is assembled when liquid level rises to the waste liquid overfall in the discharge section (2C), regulate waste liquid overflow valve (10), can continuously or be interrupted effluent discharge this moment, the reaction liquid level of keeping reative cell conversion zone (2A) is to the peak that allows, the position that is about reative cell (2) height 2/3-3/4, reative cell enters the steady and continuous operation runtime this moment, the temperature of reaction mother liquor is also kept steady state, temperature is＜below 90 ℃, in 50-85 ℃ of scope, announcing temperature value well below existing patent usually〉100 ℃; One of feature of the utility model is to keep reaction mother liquor rare (hydrogen peroxide) concentration (being lower than 1%) condition and carries out decomposition reaction under highly active catalyst action, reaction condition relaxes, also alleviate back system and removed thermic load, avoid adopting temperature lower, oxygen entrained steam amount is few, has also alleviated back system and has removed thermic load, avoids adopting complex component such as cooling of pressure air or water-cooling circulating system, reaction requirement has been satisfied in the gravity-flow ventilation of reative cell outer surface.

In the utility model reative cell (2), be provided with and be communicated with dividing plate (21), be placed in apart from the position that splashes into the horizontal reaction chamber wall of the about 2/3-3/4 of oral-lateral, there is ∮ 1-∮ 5mm eyelet some on the dividing plate, be distributed in from oxygen-making agent and splash into a highest distance position, its purpose is to make hydrogen peroxide to enter near the mother liquor that exhausts and purifies along falling settling section, after making remaining micro-oxygen-making agent and the further complete reaction of some impurity and purification, overflow to waste collection section is treated continuous eliminating again, usually the waste liquid concentration of hydrogen peroxide＜0.01% of discharge.

In the purified oxygen process, the utility model is adopted swirl nozzle 1 to several, and ∮ 1-5mm less than 90 ℃, causes cyclonic current to make droplet part in removing the Leng Bi of fog chamber with horizontal tilt, last gathering, and under return reative cell through overfall (15) bottom flowing to; Reach part and remove the purpose that water smoke that oxygen flow carries secretly drips, part demist oxygen enters clean room (6) and further purifies.

The clean room divides three sections, places the cleaning catalyst in reative cell catalyst layer (18) identical or inequality in the chemical cleaning method section (61) to remove the impurity such as micro-hydrogen peroxide in the deoxidation; Place rough surface magnetic grain (ball, post, irregular block grain) the about 3-5mm of size or porous material particle such as Sio in the physical cleaning section (62), ALo etc. to capture droplet, absorb heat, reduce oxygen humidity and remove loose tool impurity etc.; Filter course (63) is to adopt the hydrophobic polymer material film, its mesh about 10, and thickness 3-5mm with various trickle droplets of final capture and impurity, fully guarantees oxygen quality; The oxygen-making agent that side, this clean room links to each other with tank (1) in the tank has cooling effect to the clean room; It all contacts with air in five sides, forms the gravity-flow ventilation cooler environment, and oxygen has been got back further through this clean room, and cooling is left clean room's pure oxygen temperature and is usually less than 50 ℃;

The oxygen-making agent special flow control valve that the utility model has adopted all-plastic materials processing to make, its structure is seen Fig. 2, comprising valve body (31), valve gap (32), valve rod and turn-knob (33), flow scale dish (34), off-centre operation wheel (35), valve block core (36), silicone rubber tube (37) and pin (38) etc., its flow adjustable extent is decided on apparatus of oxygen supply ability size; When selecting oxygen-making agent tank 500-1500ml volume for use, press health-care medical oxygen-supplying amount demand 1-31 oxygen/minute, this valve flow adjustment range is that 0-40ml/ divides oxygen-making agent; Oxygen-supplying amount can be regulated arbitrarily 0-31/ minute scope, and start-stop is at one's convenience; Reaction chamber volume can be selected in the 800-2000ml scope; When producing oxygen in this scope, system pressure is in the 0.001-0.01MPa scope; When oxygen-producing amount is high, system pressure drop increases behind the reative cell, the oxygen-making agent flow that is added dropwise to reative cell for assurance tank (1) is steady, between tank (1) and reative cell (2) or vortex-flow and defrosting chamber (4) pressure-equalizing pipe (7) is set, and is steady to guarantee oxygen supply.

Claims (9)

1, the adjustable continuous oxygen supply device of a kind of flow, it is characterized in that: between oxygen-making agent tank (1) and reative cell (2), be provided with oxygen-making agent flow control valve (3) and vortex-flow and defrosting chamber (4), oxygen-making agent tank (1) communicates with reative cell (2) by oxygen-making agent flow control valve (3), be provided with between vortex-flow and defrosting chamber (4) and the reative cell (2) that overfall (15) and swirl nozzle (16) communicate them at the bottom of the vortex-flow and defrosting chamber, one end of vortex-flow and defrosting chamber (4) is connected with multifunctional purifying chamber (6) through rising gas downspout (14), clean room (6) communicates with cooling scrubber (8) by cooling scrubber inlet tube (19), cooling scrubber (8) is connected with humidistat (9) by humidistat inlet tube (20), and humidistat (9) also is provided with conduit and respirator (12).

2, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1, it is characterized in that: oxygen-making agent flow control valve (3) comprises valve body (31), valve gap (32), turn-knob and valve rod (33), valve body (31) outer surface is fixed with a flow dial (34), be provided with a valve block core (36) in the valve body (31), the one end is near the part silicone rubber tube (37) that is through in the valve body (3), its other end has an arc groove, eccentric wheel (35) crouches in this arc groove, and eccentric wheel (35) is fixedlyed connected with turn-knob and valve rod (33).

3, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1, it is characterized in that: reative cell (2) is isolated into conversion zone (2A) by being communicated with dividing plate (21) and weir plate (22), waste liquid section of staticizing (2B) and waste collection are discharged section (2C), its waste liquid outlet is higher than Catalytic Layer (18) and goes up the interface, also is provided with waste liquid overflow outlet valve (10) and waste liquid outlet valve (11) on the reative cell (2).

4, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1, it is characterized in that: swirl nozzle (16) favours horizontal line.

5, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1 is characterized in that: staticize the catalyst that catalyst layer (18) are housed respectively in the chamber (6) from bottom to top, granular inert filler of rough surface or hole and hydrophobic macromolecular fibre filter course.

6, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1, it is characterized in that: the end that cooling scrubber inlet tube (19) inserts in the cooling scrubber (8) is connected with an oxygen distribution head (13), and the clean water of 2/3 height is housed in the scrubber (8).

7, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1, it is characterized in that: an end of humidistat inlet tube is provided with oxygen distribution head (13).

8, as claim 6, the adjustable continuous oxygen supply device of 7 described a kind of flows, it is characterized in that: oxygen distribution head (13) is taper porous or spherical porous head.

9, the adjustable continuous oxygen supply device of a kind of flow as claimed in claim 1 is characterized in that: be provided with pressure-equalizing pipe (7) between oxygen-making agent tank (1) and vortex-flow and defrosting chamber (4).