CN213432705U - Novel jet cylinder device of vortex-jet fire engine - Google Patents

Abstract

The utility model discloses a novel jet cylinder device of a turbojet fire engine, which comprises a cylinder body, a plurality of ring-type fire extinguishing agent ejectors and a plurality of fire extinguishing agent supply pipes, wherein a plurality of mounting holes are formed on the side wall of the cylinder body; and a plurality of spray holes are uniformly formed in the annular fire extinguishing agent injector along the radial direction and in the exhaust flow injection direction of the vortex-jet engine. The utility model discloses a detachable connected mode, with annular fire extinguishing agent sprayer and turbojet engine aiutage integrated design, reduced the redundant design of part, reduced the disturbance of inside and outside cylinder structure to the exhaust flow field, simultaneously, annular fire extinguishing agent sprayer distributes a large amount of jet orifices on it to the guarantee fire extinguishing agent forms even full flow field in spouting into the aiutage, with the even mixing of the high-speed exhaust of guarantee turbojet engine and fire extinguishing agent.

Description

Novel jet cylinder device of vortex-jet fire engine

Technical Field

The utility model belongs to the technical field of the fire control unit, especially, relate to a novel jet stack device of turbojet fire engine.

Background

The fire extinguishing device for extinguishing the oil well is developed for extinguishing the oil well fire, Hungary people, namely the vortex-spraying fire extinguishing device. The device has quite obvious effects of cooling and cooling flame, diluting oxygen and suffocating combustion, and can extinguish a big fire in an oil pool with the size of 80 square meters in only 9 seconds. The fire control ability and the fire extinguishing efficiency of the turbojet fire engine are improved by more than ten times compared with the conventional fire engine. The vortex-spraying fire truck breaks through the difficulty that the spraying power of the traditional fire truck can not realize the remote spraying of mist water/fire extinguishing agent, and the fire extinguishing agent spraying cylinder is an important device for realizing the remote and large-coverage fire extinguishing of the vortex-spraying fire truck.

At present, the publication No. CN202028082U, entitled "an inner spraying cylinder capable of increasing the fire extinguishing agent spraying range of a turbojet 7 series fire engine", adopts an inner and outer cylinder combined spraying cylinder structure, the outer cylinder is an exhaust cylinder of the turbojet engine, the inner cylinder is designed with fire extinguishing agent spraying holes to realize the problem of water flow divergence, and the spraying cylinder structure, as an implanted device, extends into an exhaust passage of the engine to influence the uniformity of an exhaust flow field behind a turbine of the engine to a certain extent, so that the difference between the exhaust flow speed between the outer cylinder and the inner cylinder and the flow speed of a water-gas mixture in the inner cylinder is caused, the uniform pressure field and the speed distribution of the exhaust gas of the original turbojet engine are destroyed to a certain extent, meanwhile, the layered structure of the inner and outer cylinders ensures that only the inner cylinder can spray a mixed flow containing water/fire extinguishing agent, the exhaust flow between the outer cylinder and the inner cylinder does not contain water or fire, in the working process of the turbojet fire engine, as the fire extinguishing agent of the inner cylinder takes away certain exhaust heat, huge temperature difference between the inner cavity wall and the outer cavity wall is caused, so that the inner cylinder and the outer cylinder are subjected to certain thermal stress and generate thermal deformation, the maintenance period of the turbojet fire engine is shortened, and the maintenance cost is overhigh. Meanwhile, the fire extinguishing agent sprayed by the fire extinguishing agent nozzle of the exhaust cylinder device has the problem of uneven spraying to a certain extent, the mixing of high-speed exhaust and the fire extinguishing agent of the turbojet engine is influenced, and the fire extinguishing capability of the turbojet fire engine is reduced.

In summary, the problems of structural redundancy, uneven mixing of the engine wake and the fire extinguishing agent and injection energy loss, short maintenance period caused by long-term thermal deformation of the outer cylinder and uneven mixing of the fire extinguishing agent and the high-speed airflow of the turbojet engine exist in the structure of the inner and outer double-layer injection cylinders used by the turbojet series fire engine at the present stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide one kind and adopt detachable connected mode, with the annular tube injection apparatus with spout engine aiutage integrated design.

In order to solve the technical problem, the technical scheme of the utility model is that: a novel jet cylinder device of a vortex-jetting fire truck comprises a cylinder body, a plurality of ring-type fire extinguishing agent ejectors and a plurality of fire extinguishing agent supply pipes, wherein a plurality of mounting holes are formed in the side wall of the cylinder body;

and a plurality of spray holes are uniformly formed in the annular fire extinguishing agent injector along the radial direction and in the exhaust flow injection direction of the vortex-jet engine.

Preferably, the quick-release ring clamping device further comprises a quick-release ring clamping edge assembly, and the quick-release ring clamping edge assembly comprises a first quick-release ring clamping edge and a second quick-release ring clamping edge which are respectively installed at the opening ends of the two sides of the barrel.

Preferably, the fire extinguishing agent supply device further comprises a mounting flange arranged at the tail end of the fire extinguishing agent supply pipe, and the fire extinguishing agent supply pipe is connected with the fire extinguishing agent external supply pipe through the mounting flange.

Preferably, the device also comprises connecting flanges which are arranged at the two side opening ends of the cylinder body.

Preferably, the barrel is made of high-temperature-resistant alloy, and the ring-type extinguishing agent ejector is made of stainless steel or high-temperature-resistant alloy.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model adopts the ring-type fire extinguishing agent ejector to replace the original inner cylinder implanted structure, combines the fire extinguishing agent ejector with the exhaust funnel of the turbojet engine in a detachable connection mode, reduces the structural redundancy and the weight of the turbojet fire control ejector, and simultaneously ensures the uniform mixing of the fire extinguishing agent and the high-speed exhaust flow of the turbojet engine in a porous three-dimensional ejection structural form, thereby avoiding the loss of exhaust kinetic energy and enhancing the fire extinguishing capability of the turbojet fire engine;

(2) the utility model discloses a plurality of fire extinguishing agent supply pipes are connected with the barrel as supporting, and the form that the barrel both ends adopted quick-release ring hoop limit subassembly or flange joint is connected with the turbojet engine aiutage to realize ring type fire extinguishing agent sprayer quick replacement or increase and decrease function, the fire extinguishing agent supply pipe is established mounting flange outward, so that with the fire extinguishing agent tube coupling, simple to operate is swift.

Drawings

FIG. 1 is a schematic structural view of an injection cylinder device of a novel turbojet fire engine of the present invention;

FIG. 2 is a schematic structural view of a ring-type fire extinguishing agent injector of the injection cylinder device of the novel turbojet fire engine;

description of reference numerals:

1. a cylinder body 2, a ring-type fire extinguishing agent ejector 3, a fire extinguishing agent supply pipe 4 and a spray hole;

5. the quick release ring clamping edge assembly comprises 5-1 parts of a first quick release ring clamping edge, 5-2 parts of a second quick release ring clamping edge; 6. and (7) mounting a flange.

Detailed Description

The following description of the embodiments of the present invention is provided in connection with the following embodiments:

it should be noted that the structures, ratios, sizes, etc. illustrated in the present specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1-2, a novel jet cylinder device of a turbojet fire engine comprises a cylinder 1, a plurality of ring-type fire extinguishing agent ejectors 2 and a plurality of fire extinguishing agent supply pipes 3, wherein the side wall of the cylinder 1 is provided with a plurality of mounting holes, the plurality of ring-type fire extinguishing agent ejectors 2 are arranged in the cylinder 1 in parallel along the axial direction of the cylinder 1, the plurality of fire extinguishing agent supply pipes 3 are arranged on the periphery of the ring-type fire extinguishing agent ejectors 2 along the radial direction, and the plurality of fire extinguishing agent supply pipes 3 respectively pass through the plurality of mounting holes;

a plurality of spray holes 4 are uniformly formed in the ring-type fire extinguishing agent injector 2 along the radial direction and in the exhaust flow injection direction facing the turbojet engine, a large number of three-dimensional spray holes 4 are vertically designed in the wall surface of a circular pipe facing the flow direction on the ring-type fire extinguishing agent injector 2 and the radial wall surface of the circular pipe, so that the fire extinguishing agent is uniformly sprayed into a turbojet exhaust flow channel, is uniformly mixed with the exhaust flow of the high-speed turbojet engine in an exhaust pipe, is wrapped by the high-speed exhaust flow, is sprayed out of the exhaust pipe, and the purpose of extinguishing fire in a long distance and large coverage area. The three-dimensional jet orifices 4 of the ring-type fire extinguishing agent ejector 2 are distributed on the upper wall surface and the lower wall surface in the radial direction in the incoming flow direction of exhaust, the number and the aperture of the three-dimensional jet orifices depend on the working state and the performance index of different types of turbojet (turbofan) engines, meanwhile, the diameter of the ring-type fire extinguishing agent ejector 2 can be determined according to the diameter and the drift diameter of a spray pipe, the size of an annular pipe can be increased or decreased according to the requirements of customers or the size of fire, in order to fully mix the fire extinguishing agent with high-speed wake flow of the engine and achieve the optimal fire extinguishing effect, the number of the ring-type fire.

Specifically, the quick-release ring clamping edge assembly 5 is further included, and the quick-release ring clamping edge assembly 5 comprises a first quick-release ring clamping edge 5-1 and a second quick-release ring clamping edge 5-2 which are respectively arranged at the two side opening ends of the barrel body 1.

Specifically, the fire extinguishing agent supplying device further comprises a mounting flange 6 arranged at the tail end of the fire extinguishing agent supplying pipe 3, and the fire extinguishing agent supplying pipe 3 is connected with an external fire extinguishing agent supplying pipe through the mounting flange 6. The ring-type fire extinguishing agent injector 2 is supported by a plurality of fire extinguishing agent supply pipes 3 and is arranged on the cylinder body 1, and a fire extinguishing agent external supply pipeline is in sealing connection with the fire extinguishing agent supply pipes 3 through a mounting flange 6 so that the fire extinguishing agent enters the ring-type fire extinguishing agent injector 2 and is sprayed into the exhaust funnel through the three-dimensional spray holes 4.

Specifically, the device also comprises connecting flanges which are arranged at the opening ends of the two sides of the cylinder body 1. The two ends of the cylinder body 1 can be connected with an exhaust cylinder of the turbojet engine in a quick-release ring or flange connection mode so as to realize the quick replacement or increase and decrease functions of the annular cylinder type turbojet fire-fighting vehicle fire extinguishing agent injection device.

Specifically, the barrel 1 is made of high-temperature-resistant alloy, and the ring-type extinguishing agent injector 2 is made of stainless steel or high-temperature-resistant alloy. The cylinder body 1 is made of high-temperature-resistant alloy so as to ensure that the structural deformation of the cylinder body 1 is small and certain strength can be kept under the high-temperature environment of the working vortex-spraying fire-fighting device, and because a large amount of fire extinguishing agent flows through the inside of the ring-type fire extinguishing agent ejector 2, the cylinder body can be made of stainless steel or high-temperature-resistant alloy materials according to the requirements of users.

The cylinder body 1 is used as an installation reference surface and keeps a uniform slope with an exhaust cylinder of the turbojet engine so as to ensure that the exhaust flow mixed with the fire extinguishing agent is sprayed out at a high speed; a first quick-release ring clamp edge 6-1 and a second quick-release ring clamp edge 6-2 are designed at an inlet and an outlet of the cylinder body 1, injection devices with different requirements on the diameter sizes of the inlet and the outlet of the cylinder body 1 are matched with the first quick-release ring clamp edge 6-1 and the second quick-release ring clamp edge 6-2 according to the convergence slope of the outer wall surface of the cylinder body 1, and fire extinguishing agent injection devices and convergence exhaust cylinders with other specifications are sequentially connected, so that the quick replacement or increase and decrease of the vortex-spraying fire extinguishing agent injection devices are ensured, and the smooth and accelerated exhaust of exhaust flow of a vortex-spraying engine mixed with a fire extinguishing agent is ensured.

To sum up, the utility model discloses a detachable connected mode, with cyclic annular fire extinguishing agent sprayer 2 and turbojet engine aiutage integrated design, reduced the redundant design of part, reduced the interference of inside and outside cylinder structure to the exhaust flow field, simultaneously, adopt cyclic annular fire extinguishing agent sprayer 2, a large amount of round holes distribute on it to the guarantee fire extinguishing agent forms even full flow field in spouting the aiutage, with the even mixing of guarantee turbojet engine's high-speed exhaust and fire extinguishing agent.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims (5)

1. The utility model provides a novel jet cylinder device of turbojet fire engine which characterized in that: the annular fire extinguishing agent sprayer comprises a cylinder body, a plurality of annular fire extinguishing agent sprayers and a plurality of fire extinguishing agent supply pipes, wherein a plurality of mounting holes are formed in the side wall of the cylinder body;

and a plurality of spray holes are uniformly formed in the annular fire extinguishing agent injector along the radial direction and in the exhaust flow injection direction of the vortex-jet engine.

2. The novel jet cylinder device of the turbojet fire engine as claimed in claim 1, wherein: the quick-release ring clamping edge assembly comprises a first quick-release ring clamping edge and a second quick-release ring clamping edge which are respectively arranged at the opening ends of the two sides of the barrel.

3. The novel jet cylinder device of the turbojet fire engine as claimed in claim 2, wherein: the fire extinguishing agent supply pipe is connected with the fire extinguishing agent external supply pipe through the mounting flange.

4. The novel jet cylinder device of the turbojet fire engine as claimed in claim 1, wherein: the device also comprises connecting flanges arranged at the open ends of the two sides of the cylinder body.

5. The novel jet cylinder device of the turbojet fire engine as recited in any one of claims 1 to 4, wherein: the cylinder body is made of high-temperature-resistant alloy, and the ring-type extinguishing agent ejector is made of stainless steel or high-temperature-resistant alloy.

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