Carbon dioxide blowing device

Abstract

The utility model discloses a carbon dioxide blowing device, relates to the technical field of fire fighting, and aims to solve the problem that the temperature is too low after carbon dioxide is blown out, the carbon dioxide blowing device comprises a blowing body, a closed first cavity and a closed second cavity are arranged in the blowing body, and the second cavity is arranged on the periphery of the first cavity. The spraying body is provided with a plurality of spraying holes, the spraying pipe is arranged in the first cavity, and the spraying holes are formed in the spraying pipe so that carbon dioxide entering the spraying pipe can sequentially pass through the first cavity and the second cavity to be dispersed, and therefore the carbon dioxide can be evenly dispersed after being sprayed out to achieve the purpose of rapid vaporization. Therefore, electronic equipment and devices thereof are prevented from being damaged due to low local temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire fighting, more particularly to a carbon dioxide spraying device. BACKGROUND

[0002] The pipe network type fire extinguishing device is a system that diffuses fire extinguishing agent through a pipe network and sprays the fire extinguishing agent in a protected area to achieve fire extinguishing when a fire occurs. The pipe network type fire extinguishing device is widely used in various fire protection occasions due to its efficient and reliable fire extinguishing capability, and plays an important role in protecting high-value assets and critical infrastructure.

[0003] The existing carbon dioxide spraying system has the problems of huge pipe network arrangement, many spray heads, high labor cost, complex installation, and slow vaporization of carbon dioxide after concentrated spraying, which leads to excessively low local temperature and easy damage to electronic equipment and devices.

[0004] Therefore, how to solve the problem of excessively low local temperature after concentrated spraying of carbon dioxide is an urgent problem for technicians in the field. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a carbon dioxide spraying device that can uniformly diffuse carbon dioxide after spraying to achieve rapid vaporization, thereby avoiding damage to electronic equipment and devices due to excessively low local temperature.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A carbon dioxide spraying device comprises:

[0008] A spraying body is provided with a closed first cavity and a second cavity inside, the second cavity is arranged at the outer periphery of the first cavity, and the spraying body is provided with a plurality of spray holes;

[0009] A spraying pipe is arranged in the first cavity, and the spraying pipe is provided with a plurality of spray holes to make the carbon dioxide entering the spraying pipe pass through the first cavity and the second cavity in sequence to disperse the carbon dioxide.

[0010] Preferably, the spraying pipe comprises a first pipe body, a second pipe body, and an elbow pipe for connecting the first pipe body and the second pipe body, the first pipe body is provided with a blind plate at one end away from the elbow pipe, the first pipe body is arranged in the first cavity, the first pipe body is provided with a plurality of spray holes, and the second pipe body is provided with a connecting flange at one end away from the elbow pipe.

[0011] Preferably, the spraying body is in a cylindrical shape, the spraying body comprises an inner cylinder and an outer cylinder arranged coaxially, the bottom of the outer cylinder is provided with a supporting angle steel, the outer cylinder is arranged outside the inner cylinder, and a gap is left between the inner wall of the outer cylinder and the outer wall of the inner cylinder to form the second cavity.

[0012] Preferably, the inner cylinder and the bottom of the outer cylinder are sealingly connected by a lower bottom plate, the lower bottom plate is provided with a mounting hole for mounting the spray pipe, and the spray pipe is sealingly connected with the lower bottom plate.

[0013] Preferably, the height of the outer cylinder is higher than the height of the inner cylinder, the top of the inner cylinder is provided with an upper top plate, the upper top plate is sealingly connected with the inner cylinder, the top of the outer cylinder is provided with an upper sealing plate, and the upper sealing plate is sealingly connected with the outer cylinder.

[0014] Preferably, the outer part of the outer cylinder is provided with a louver, and the bottom of the louver is provided with a support angle steel.

[0015] Preferably, the louver is provided with an opening for mounting the spray pipe, the opening is provided with a reinforcing beam, and the spray pipe is connected with the reinforcing beam through a flange.

[0016] Preferably, the spray pipe is connected with the carbon dioxide source through a pipeline, and the pipeline is provided with a ball valve for controlling the opening and closing of the pipeline.

[0017] Preferably, the carbon dioxide source is provided with a controller, the controller is signal connected with the ball valve, and the controller is used to control the opening and closing of the ball valve.

[0018] Preferably, the spray body and the spray pipe are welded together, or the spray body and the spray pipe are connected through bolts.

[0019] The carbon dioxide spray device provided by the utility model comprises a spray body and a spray pipe, specifically, the spray body is internally provided with a closed first cavity and a second cavity, the second cavity is arranged on the outer periphery of the first cavity, the first cavity and the second cavity are arranged as closed spaces, so as to ensure that the carbon dioxide entering the first cavity and the second cavity will not be dispersed, but will be distributed in the closed space, the spray pipe is arranged in the first cavity, and a plurality of spray holes are arranged on the spray pipe, so that the carbon dioxide entering the spray pipe enters the first cavity through the spray holes of the spray pipe, a plurality of spray holes are also arranged on the spray body, so that the carbon dioxide entering the first cavity enters the second cavity, and finally is sprayed out from the second cavity, the spray pipe and the spray body are arranged, so that the carbon dioxide entering the spray pipe sequentially passes through the first cavity and the second cavity, so as to disperse the carbon dioxide, that is, the carbon dioxide entering the spray device sequentially passes through the spray pipe, the first cavity and the second cavity from inside to outside, through multiple distribution of the carbon dioxide, the contact area between the carbon dioxide and the air is increased, so as to enhance the heat exchange efficiency between the carbon dioxide and the air, accelerate the vaporization speed of the carbon dioxide, and avoid that the local temperature is too low after the carbon dioxide is sprayed. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Figure 1 A sectional view of the carbon dioxide release device provided by the present application;

[0022] Figure 2 A structural schematic view of the release pipe provided by the present application;

[0023] Figure 3 A sectional view of the release pipe provided by the present application;

[0024] Figure 4 A structural schematic view of the louver provided by the present application;

[0025] Figure 5 An installation schematic view of the carbon dioxide release device provided by the present application.

[0026] Reference signs:

[0027] 1-release body, 101-first cavity, 102-second cavity, 11-inner cylinder, 12-outer cylinder, 13-lower bottom plate, 14-upper top plate, 15-upper sealing plate;

[0028] 2-nozzle;

[0029] 3-release pipe, 31-first pipe body, 32-second pipe body, 33-elbow pipe, 34-blind plate, 35-connection flange;

[0030] 4-louver, 41-opening;

[0031] 5-stiffening beam;

[0032] 6-carbon dioxide source;

[0033] 7-ball valve. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0035] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances.

[0036] It should be noted that the "up, down" and other orientation words in the following are defined based on the drawings attached to the specification.

[0037] The core of the utility model provides a kind of carbon dioxide spray device, carbon dioxide can be evenly sprayed after spraying, to reach the purpose of rapid vaporization, to avoid damaging electronic equipment and its device.

[0038] Please refer to Figure 1 A kind of carbon dioxide spray device includes spray body 1 and spray pipe 3.

[0039] Specifically, the first cavity 101 and the second cavity 102 are provided in the spray body 1, the second cavity 102 is provided outside the first cavity 101, by setting the first cavity 101 and the second cavity 102 as closed space, to ensure that the carbon dioxide entering the first cavity 101 and the second cavity 102 will not be dispersed, but will be distributed in the closed space, the spray pipe 3 is provided in the first cavity 101, and a plurality of spray holes 2 are provided on the spray pipe 3, so that the carbon dioxide entering the spray pipe 3 enters the first cavity 101 through the spray holes 2 of the spray pipe 3, and a plurality of spray holes 2 are also provided on the spray body 1, so that the carbon dioxide entering the first cavity 101 enters the second cavity 102, and finally sprays out from the second cavity 102, by setting the spray pipe 3 and the spray body 1, the carbon dioxide entering the spray pipe 3 passes through the first cavity 101 and the second cavity 102 in turn, so as to disperse the carbon dioxide, that is, the carbon dioxide entering the spray device passes through the spray pipe 3, the first cavity 101 and the second cavity 102 in turn from inside to outside, through multiple distribution of carbon dioxide, the contact area between carbon dioxide and air is increased, so as to enhance the heat exchange efficiency between carbon dioxide and air, accelerate the vaporization speed of carbon dioxide, so as to avoid that the local temperature is too low after the carbon dioxide is sprayed.

[0040] Wherein, the number of spray holes 2 is determined: after confirming the fire extinguishing concentration of one protection zone under the same working condition, the cross-sectional area of the spray hole 2 of the spray device is obtained according to the sum of the cross-sectional areas of all spray heads, and then the number of hole positions is obtained.

[0041] The carbon dioxide spraying device arranged in the above manner can increase the contact area of the carbon dioxide and the air, thereby enhancing the heat exchange efficiency of the carbon dioxide and the air, accelerating the carbon dioxide vaporization speed, and avoiding the local temperature being too low caused by the concentrated spraying of the carbon dioxide, so that the electronic equipment and the device thereof are not damaged.

[0042] Please refer to Figure 2 and Figure 3 The spraying pipe 3 comprises a first pipe body 31, a second pipe body 32, a bend pipe 33 for connecting the first pipe body 31 and the second pipe body 32, a blind plate 34 arranged at one end of the first pipe body 31 away from the bend pipe 33, the first pipe body 31 arranged in the first cavity 101, the first pipe body 31 provided with a plurality of spray holes 2, and a connecting flange 35 arranged at one end of the second pipe body 32 away from the bend pipe 33.

[0043] It should be noted that the carbon dioxide passes through the second pipe body 32, the bend pipe 33 and the first pipe body 31 in sequence, is sprayed out from the spray holes 2 of the first pipe body 31 to the first cavity 101 to realize the first dispersion of the carbon dioxide, then enters the second cavity 102 from the first cavity 101 to realize the second dispersion of the carbon dioxide, and finally is sprayed out from the second cavity 102 to the air to realize the third dispersion of the carbon dioxide, so that the contact area of the carbon dioxide and the air is increased, thereby enhancing the heat exchange efficiency of the carbon dioxide and the air and accelerating the carbon dioxide vaporization speed.

[0044] The blind plate 34 is also called a flange cover, and is also called a blind flange or a pipe plug. It is a flange without holes in the middle, which is used to block the pipe opening and has the same function as the head and the pipe cap. However, the blind plate 34 is a detachable sealing device, and the sealing surface has various forms, such as a plane, a convex surface, a concave-convex surface, a tenon-groove surface and a ring connecting surface. The material is carbon steel, stainless steel, alloy steel, copper, aluminum, PVC and PPR.

[0045] In the above case, the spraying body 1 is in a cylindrical shape, the spraying body 1 comprises an inner cylinder 11 and an outer cylinder 12 arranged coaxially, the bottom of the outer cylinder 12 is provided with a supporting angle steel, the outer cylinder 12 is arranged outside the inner cylinder 11, and a gap is left between the inner wall of the outer cylinder 12 and the outer wall of the inner cylinder 11 to form the second cavity 102.

[0046] It can be understood that the inner cylinder 11 is arranged outside the first pipe body 31 to form the first cavity 101 between the first pipe body 31 and the inner cylinder 11, the outer cylinder 12 is arranged outside the inner cylinder 11 to form the second cavity 102 between the inner cylinder 11 and the outer cylinder 12, and a plurality of spray holes 2 are arranged on the inner cylinder 11 and the outer cylinder 12 to realize the dispersion of the carbon dioxide.

[0047] Further, the inner cylinder 11 and the bottom of the outer cylinder 12 are sealingly connected through the lower bottom plate 13, the lower bottom plate 13 is provided with a mounting hole for mounting the spray pipe 3, and the spray pipe 3 is sealingly connected with the lower bottom plate 13.

[0048] It should be noted that the structure formed by the lower bottom plate 13 and the inner cylinder 11 and the outer cylinder 12 is sealed to avoid leakage of carbon dioxide from the connection between the lower bottom plate 13 and the inner cylinder 11 and the outer cylinder 12.

[0049] In the above embodiment, the height of the outer cylinder 12 is higher than the height of the inner cylinder 11, the top of the inner cylinder 11 is provided with an upper top plate 14, the upper top plate 14 is sealingly connected with the inner cylinder 11, and the top of the outer cylinder 12 is provided with an upper sealing plate 15, the upper sealing plate 15 is sealingly connected with the outer cylinder 12.

[0050] It can be understood that the structure formed by the upper top plate 14 and the inner cylinder 11 is sealed to form a closed first cavity 101 between the upper top plate 14, the inner cylinder 11 and the lower bottom plate 13, and the structure formed by the upper sealing plate 15 and the outer cylinder 12 is sealed to form a closed second cavity 102 between the upper sealing plate 15, the outer cylinder 12 and the lower bottom plate 13.

[0051] Please refer to Figure 1 and Figure 4 The outer cylinder 12 is provided with a louver 4, and the bottom of the louver 4 is provided with a support angle steel.

[0052] It should be noted that the louver 4 is provided to prevent dust from entering the spray hole 2, thereby affecting the use effect.

[0053] In the above embodiment, the louver 4 is provided with an opening 41 for mounting the spray pipe 3, the opening 41 is provided with a reinforcing beam 5, and the spray pipe 3 is connected with the reinforcing beam 5 through a flange.

[0054] It can be understood that the reinforcing beam 5 is provided to increase the mounting strength of the louver 4, to provide support for the installation of the spray pipe 3, and to improve the connection stability of the spray pipe 3 and the louver 4.

[0055] Please refer to Figure 5 The spray pipe 3 is connected to the carbon dioxide source 6 through a pipeline, and the pipeline is provided with a ball valve 7 for controlling the opening and closing of the pipeline.

[0056] It should be noted that the carbon dioxide source 6 provides carbon dioxide for the spray pipe 3, and the carbon dioxide is dispersed through the spray pipe 3, the first cavity 101 and the second cavity 102 to increase the contact area between the carbon dioxide and the air and increase the heat exchange efficiency.

[0057] In the above case, the carbon dioxide source 6 is provided with a controller, the controller is in signal connection with the ball valve 7, and the controller is used to control the opening and closing of the ball valve 7.

[0058] It can be understood that the opening and closing of the ball valve 7 are automatically controlled by the controller, so as to realize the communication and disconnection of the carbon dioxide source 6 and the spray pipe 3.

[0059] In the above embodiment, the spray body 1 and the spray pipe 3 are welded or bolted.

[0060] It should be noted that in the present embodiment, the spray body 1 and the spray pipe 3 are welded or bolted, but in actual application, the connection mode of the spray body 1 and the spray pipe 3 is not limited as long as the above technical effects can be achieved.

[0061] In summary, the carbon dioxide spray device provided by the utility model, after the carbon dioxide source 6 is sprayed, it reaches the spray pipe 3 through the pipeline, is sprayed out from the spray hole 2 of the first pipe body 31 of the spray pipe 3, enters the first cavity 101 between the first pipe body 31 and the inner cylinder body 11, is sprayed out from the spray hole 2 of the inner cylinder body 11, enters the second cavity 102 between the outer cylinder body 12 and the inner cylinder body 11, and finally is sprayed out from the spray hole 2 of the outer cylinder body 12, enters the air, exchanges heat with the air, the carbon dioxide is dispersed through the spray hole 2 layer by layer, the contact area of the carbon dioxide and the air is enhanced, the heat exchange efficiency of the carbon dioxide and the air is enhanced, and the purpose of rapid vaporization of the carbon dioxide is achieved.

[0062] It should be noted that in the present specification, the relationship terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any such actual relationship or order between the entities.

[0063] The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0064] The above describes in detail the carbon dioxide spray device provided by the utility model. The principle and implementation mode of the utility model are described by applying specific examples in the present paper, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A carbon dioxide discharge device characterized by comprising: The utility model relates to a kind of carbon dioxide dispersing device, including: Spray body (1), the first cavity (101) and second cavity (102) are arranged inside the spray body (1), the second cavity (102) is arranged in the outer periphery of the first cavity (101), and a plurality of spray holes (2) are provided on the spray body (1); Spray pipe (3) is arranged in the first cavity (101), and a plurality of spray holes (2) are provided on the spray pipe (3), so that the carbon dioxide entering the spray pipe (3) passes through the first cavity (101) and the second cavity (102) in turn to disperse carbon dioxide.

2. The carbon dioxide discharge apparatus according to claim 1, characterized by The spray pipe (3) includes a first pipe body (31), a second pipe body (32), and a bend pipe (33) for connecting the first pipe body (31) and the second pipe body (32). The first pipe body (31) is provided with a blind plate (34) at one end away from the bend pipe (33). The first pipe body (31) is arranged in the first cavity (101). The first pipe body (31) is provided with a plurality of spray holes (2). The second pipe body (32) is provided with a connecting flange (35) at one end away from the bend pipe (33).

3. The carbon dioxide discharge apparatus according to claim 1, wherein The spray body (1) is cylindrical. The spray body (1) includes an inner cylinder (11) and an outer cylinder (12) arranged coaxially. The bottom of the outer cylinder (12) is provided with a support angle steel. The outer cylinder (12) is arranged outside the inner cylinder (11), and a gap is left between the inner wall of the outer cylinder (12) and the outer wall of the inner cylinder (11) to form the second cavity (102).

4. The carbon dioxide discharge apparatus according to claim 3, wherein The bottom of the inner cylinder (11) and the outer cylinder (12) is sealingly connected by a lower bottom plate (13). The lower bottom plate (13) is provided with a mounting hole for mounting the spray pipe (3). The spray pipe (3) is sealingly connected with the lower bottom plate (13).

5. The carbon dioxide discharge apparatus according to claim 4, wherein The height of the outer cylinder (12) is higher than the height of the inner cylinder (11). The top of the inner cylinder (11) is provided with an upper top plate (14) sealingly connected with the inner cylinder (11). The top of the outer cylinder (12) is provided with an upper sealing plate (15) sealingly connected with the outer cylinder (12).

6. The carbon dioxide discharge apparatus according to claim 5, wherein The outer part of the outer cylinder (12) is provided with a louver (4). The bottom of the louver (4) is provided with a support angle steel.

7. The carbon dioxide discharge apparatus according to claim 6, wherein The louver (4) is provided with an opening (41) for mounting the spray pipe (3). The opening (41) is provided with a reinforcing beam (5). The spray pipe (3) is connected with the reinforcing beam (5) through a flange.

8. The carbon dioxide discharge apparatus according to claim 1, wherein The spray pipe (3) is connected with a carbon dioxide source (6) through a pipeline. The pipeline is provided with a ball valve (7) for controlling the opening and closing of the pipeline.

9. The carbon dioxide discharge apparatus according to claim 8, wherein The carbon dioxide source (6) is provided with a controller. The controller is signal connected with the ball valve (7). The controller is used to control the opening and closing of the ball valve (7).

10. The carbon dioxide dispensing device according to any one of claims 1 to 9, wherein, The spray body (1) and the spray pipe (3) are welded together, or the spray body (1) and the spray pipe (3) are connected through bolts.

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