CN216653174U

CN216653174U - Storage tank for respirator

Info

Publication number: CN216653174U
Application number: CN202121712947.7U
Authority: CN
Inventors: 卢帅; 冷峻; 蒋敏
Original assignee: Sanqiyi Oxygen Technology Sichuan Co ltd
Current assignee: Sanqiyi Oxygen Technology Sichuan Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-06-03
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a storage tank for a respirator, which comprises a vacuum tank, wherein at least two pressure tanks are arranged in the vacuum tank, two adjacent pressure tanks are connected through a first heat insulation column, and the pressure tanks are connected with the inner wall of the vacuum tank through second heat insulation columns. The vacuum tank is reasonable in design and simple in structure, and the overall size of the device is reduced by the structural design that at least two pressure tanks are accommodated in one vacuum tank, so that the vacuum tank is convenient for workers to carry and use.

Description

Storage tank for respirator

Technical Field

The utility model relates to the technical field of fire fighting and underground rescue equipment, in particular to a storage tank for a respirator.

Background

At present, respirators applied to the fields of fire fighting and underground rescue are mainly divided into air respirators and oxygen respirators, and the source of the breathable gas is generally compressed air or gas obtained by mixing compressed oxygen with chemically filtered gas.

The gas storage of the mainstream respirator mainly adopts a compressed gas mode, is limited by the pressure bearing and filling pressure of the container, and the gas storage capacity is not the optimal choice; liquid-oxygen liquid-gas two-phase conversion expansion ratio 1: 860, liquid-nitrogen-liquid-gas two-phase conversion expansion ratio 1: 696 the high expansion ratio determines the gas storage capacity of the liquid phase gas at the same volume to be better than the existing pressure vessel, and the solution of using oxygen and nitrogen liquid phase gas as the gas source of the respirator will be very advantageous in the specific application of small volume and high gas storage capacity.

Chinese patent publication No. CN102698383A discloses a long-acting gas mask, which is composed of a liquid oxygen bottle, a liquid oxygen vaporizer, a liquid nitrogen bottle, a liquid nitrogen vaporizer, a buffer bottle, and a breathing mask, all the materials used are fire-proof and flame-retardant materials, a liquid oxygen output tube of the liquid oxygen bottle is connected with a liquid oxygen input tube of the liquid oxygen vaporizer, an oxygen output tube of the liquid oxygen vaporizer is connected with an oxygen input tube of the buffer bottle, a liquid nitrogen output tube of the liquid nitrogen bottle is connected with a liquid nitrogen input tube of the liquid nitrogen vaporizer, a nitrogen output tube of the liquid nitrogen vaporizer is connected with a nitrogen input tube of the buffer bottle, and a gas output tube of the buffer bottle is connected with a gas input tube of the breathing mask.

However, the liquid oxygen bottle and the liquid nitrogen bottle in the patent are independently used and are both double-layer containers, wherein the inner layer is a pressure container, the outer layer is a vacuum container, and the mode that the liquid oxygen bottle and the liquid nitrogen bottle are independently used enables the device to be large in size and not beneficial to carrying.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a storage tank for a respirator, which has a simple structure and a small volume and is convenient to carry and use.

The embodiment of the utility model is realized by the following technical scheme:

the utility model provides a holding vessel for respirator, includes the vacuum tank, dispose two at least overhead tanks in the vacuum tank, adjacent two connect through first heat insulation column between the overhead tank, the overhead tank with connect through second heat insulation column between the inner wall of vacuum tank.

According to a preferred embodiment, the number of the first heat-insulating columns and the number of the second heat-insulating columns are both multiple and are uniformly distributed.

According to a preferred embodiment, the pressure tank is provided with a liquid charging pipe, a liquid outlet pipe and an exhaust pipe respectively; the liquid charging pipe, the liquid outlet pipe and the exhaust pipe are all communicated with the pressure tank; the liquid charging pipe, the liquid outlet pipe and the exhaust pipe all penetrate through the side wall of the vacuum tank.

According to a preferred embodiment, a mixing tank is arranged on the outer wall of the vacuum tank, and the liquid outlet pipe and the exhaust pipe are communicated to the mixing tank.

According to a preferred embodiment, the outlet pipe is embedded in the exhaust pipe.

According to a preferred embodiment, the vacuum tank and the pressure tank are filled with a thermal insulation material.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the vacuum tank is reasonable in design and simple in structure, and the overall size of the device is reduced by the structural design that at least two pressure tanks are accommodated in one vacuum tank, so that the vacuum tank is convenient for workers to carry and use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of the present invention.

An icon: 1-a vacuum tank, 2-a liquid filling pipe, 3-a liquid outlet pipe, 4-a mixing tank, 5-an exhaust pipe, 6-a pressure tank, 7-a first heat insulation column and 8-a second heat insulation column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a storage tank for a respirator includes a vacuum tank 1, at least two pressure tanks 6 are disposed in the vacuum tank 1, two adjacent pressure tanks 6 are connected by a first heat insulation column 7, and the pressure tanks 6 are connected to an inner wall of the vacuum tank 1 by a second heat insulation column 8. In this embodiment, overhead tank 6 is used for splendid attire liquid oxygen and liquid nitrogen respectively, through accomodate two at least overhead tank 6 in the structural design of a vacuum tank 1 for the whole volume of device reduces, and the staff of being convenient for carries the use. In this embodiment, the number of pressure tanks 6 is two, and in other embodiments, the number of pressure tanks 6 may be determined by the type and amount of the contained gas. Further, the number of the first heat-insulating columns 7 and the number of the second heat-insulating columns 8 are both multiple and are uniformly distributed. In the present embodiment, the first heat insulating column 7 is used to connect two adjacent pressure tanks 6 and form a support therebetween so that a certain distance is maintained between the two adjacent pressure tanks 6. In this embodiment, a plurality of first heat insulating columns 7 and a plurality of second heat insulating columns 8 all follow the circumference equidistance equipartition of overhead tank 6, and bearing structure is stable, and the security is high. Preferably, the first heat-insulating column 7 and the second heat-insulating column 8 are both made of materials with low heat conductivity and high strength, and specifically, the first heat-insulating column 7 and the second heat-insulating column 8 are both made of epoxy glass fiber reinforced plastics.

In this embodiment, the liquid charging pipe 2, the liquid discharging pipe 3, and the gas discharging pipe 5 are respectively disposed on the pressure tank 6. The liquid charging pipe 2, the liquid outlet pipe 3 and the exhaust pipe 5 are all communicated with the pressure tank 6. The liquid charging pipe 2, the liquid outlet pipe 3 and the exhaust pipe 5 all penetrate through the side wall of the vacuum tank 1. The liquid filling pipe 2 is used for filling the pressure tank 6 with liquid nitrogen or liquid oxygen, and the inlet end of the liquid filling pipe is connected with a filling valve. The liquid outlet pipe 3 is used for leading out liquid phase gas in the pressure tank 6 and gasifying the liquid phase gas in the process, and then gas converted from liquid phase gas to gas phase gas is discharged through the gas outlet pipe 5 for use. Specifically, the liquid outlet pipe 3 conveys the liquid-phase gas in the pressure tank 6 to the gasification heating unit so as to be converted into gas-phase gas.

In this embodiment, a mixing tank 4 is disposed on an outer wall of the vacuum tank 1, and the liquid outlet pipe 3 and the exhaust pipe 5 are both communicated to the mixing tank 4. Liquid phase gases in different pressure tanks 6 are guided into a mixing tank 4 according to a certain proportion through a liquid outlet pipe 3 and an exhaust pipe 5 to be buffered and fully mixed for people to use. In this embodiment, liquid nitrogen and liquid oxygen are introduced into the mixing tank 4 so that the ratio of nitrogen to oxygen in the mixing tank 4 approaches the ratio of nitrogen to oxygen in air, thereby allowing people to breathe.

Further, the liquid outlet pipe 3 is embedded in the exhaust pipe 5. The space between the vacuum tank 1 and the pressure tank 6 is filled with a heat insulating material. Preferably, the thermally insulating material is a plastic foam. The output end of the exhaust pipe 5 is connected with an emptying valve, and a gas phase channel is formed when the pressure tank 6 is depressurized when the pressure tank 6 is filled with liquid phase gas. Specifically, when the liquid filling device is used, liquid phase gas is filled into the pressure tank 6 through the liquid filling pipe 2, the original gas in the pressure tank 6 is discharged to the vent valve through the exhaust pipe 5, along with the rising of the liquid level of the liquid phase gas, the liquid phase gas reaches the vent valve through the exhaust pipe 5 until the liquid level of the liquid phase gas reaches or is higher than the lower end of the exhaust pipe 5, and therefore the liquid phase gas can conveniently judge that the capacity filling of the pressure tank 6 is saturated, at the moment, the vent valve is closed, and the filling of the liquid phase gas in the pressure tank 6 is completed.

In this embodiment, be equipped with manometer, level gauge, vacuum gauge, safe relief valve, input control valve, output control valve and relief pressure valve on the pressure tank 6, manometer, level gauge, vacuum gauge, safe relief valve, input control valve, output control valve and relief pressure valve all run through the lateral wall of vacuum tank 1 and extend to the outside, and wherein input control valve and liquid charging pipe 2 intercommunication, output control valve and blast pipe 5 and drain pipe 3 intercommunication. The mixing tank 4 is provided with a pressure gauge, a pressure alarm, a gas input pipe, a gas output pipe, a gas input control valve, a gas output control valve, a thermometer, a hygrometer, a flowmeter, a humidifier and the like. When in use, the liquid outlet pipe 3 and the exhaust pipe 5 are both communicated with the gas input pipe.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A holding vessel for a respirator, characterized in that: including vacuum tank (1), dispose two at least overhead tanks (6), adjacent two in vacuum tank (1) connect through first heat-insulating column (7) between overhead tank (6), overhead tank (6) with connect through second heat-insulating column (8) between the inner wall of vacuum tank (1).

2. The storage tank for a respirator according to claim 1, characterized in that: the number of the first heat insulation columns (7) and the number of the second heat insulation columns (8) are both multiple and are uniformly distributed.

3. The storage tank for a respirator according to claim 2, characterized in that: the pressure tank (6) is respectively provided with a liquid charging pipe (2), a liquid outlet pipe (3) and an exhaust pipe (5);

the liquid charging pipe (2), the liquid outlet pipe (3) and the exhaust pipe (5) are all communicated with the pressure tank (6);

the liquid charging pipe (2), the liquid outlet pipe (3) and the exhaust pipe (5) penetrate through the side wall of the vacuum tank (1).

4. The storage tank for a respirator according to claim 3, characterized in that: a mixing tank (4) is arranged on the outer wall of the vacuum tank (1), and the liquid outlet pipe (3) and the exhaust pipe (5) are communicated to the mixing tank (4).

5. The storage tank for a respirator according to claim 3 or 4, characterized in that: the liquid outlet pipe (3) is embedded in the exhaust pipe (5).

6. The storage tank for a respirator according to claim 5, wherein: and a heat insulating material is filled between the vacuum tank (1) and the pressure tank (6).