Combustible gas centralized diffusion device

Abstract

The utility model discloses combustible gas centralized diffusion device, including the vertical setting on the concrete foundation top diffusion pipe, and be used for supporting the diffusion pipe's support, and T shape three -way pipe coaxial two ports are according to the axial symmetry of diffusion pipe setting, and all are equipped with diffusion mouth, every diffusion mouth all are tubular, one end all are connected with T shape three -way pipe, the other end all have the cutting surface of 45 degrees oblique to the side of concrete foundation, make the other end to the side of concrete foundation present half ellipse, the support includes three or more than the round steel that surrounds diffusion pipe and is evenly distributed, and with the acute angle included angle of diffusion pipe's upper end, and two or more than the collar that sets along diffusion pipe length direction, all round steel all are connected with every collar through the connecting rod perpendicular to diffusion pipe and form the support. The utility model not only can eliminate the hidden danger of prior art, and, under the premise of not increasing cost, can also improve the stability of pipeline support.

Description

TECHNICAL FIELD

[0001] The utility model relates to combustible gas diffusion technical field, especially combustible gas centralized diffusion device. BACKGROUND

[0002] The existing combustible gas diffusion is usually independent diffusion in situ, and a flame arrester is additionally arranged, or the combustible gas is converged and diffused, and a flame arrester is additionally arranged on the main pipe.

[0003] Therefore, in actual application, the diffusion port of combustible gas usually needs to be at least three meters higher than the nearby platform, and the pipeline support is difficult.

[0004] Moreover, in order to save engineering cost, the flame arrester is usually arranged on the convergence of centralized diffusion, when the flame arrester is blocked, the original diffused pressurized combustible gas is easy to gather inside, leading to that the pressure exceeds the allowable value, and the safety hidden danger occurs.

[0005] Therefore, how to eliminate the hidden danger existing in the prior art, and improve the stability of the pipeline support as much as possible without increasing the cost becomes a technical problem to be solved by the person skilled in the art. UTILITY MODEL CONTENT

[0006] In view of the above defects of the prior art, the utility model provides combustible gas centralized diffusion device, and the purpose is to not only eliminate the hidden danger existing in the prior art, but also improve the stability of the pipeline support without increasing the cost.

[0007] In order to achieve the above object, the utility model discloses combustible gas centralized diffusion device, including the centralized diffusion pipe of vertical arrangement on the concrete foundation and the support for supporting the centralized diffusion pipe;

[0008] The side wall of the centralized diffusion pipe is sequentially provided with a blowdown port, a nitrogen purging port, a pressure transmitter, a low-pressure combustible gas diffusion interface, a high-pressure combustible gas diffusion interface and a temperature sensor from bottom to top, and the upper end is sequentially provided with a flame arrester and a T-shaped tee pipe;

[0009] The two coaxial ports of the T-shaped tee pipe are arranged according to the axial symmetry of the centralized diffusion pipe, and both are provided with diffusion ports;

[0010] Each diffusion port is tubular, one end is connected with the T-shaped tee pipe, and the other end is provided with a 45-degree inclined cutting surface towards one side of the concrete foundation;

[0011] The support includes three or more circular steels that are uniformly distributed around the centralized diffusion pipe and have an acute angle with the upper end of the centralized diffusion pipe, and two or more collars arranged along the length direction of the centralized diffusion pipe.

[0012] All the round steels are connected with each of the collars through connecting rods vertical to the centralizing and diffusing pipes to form the support.

[0013] Preferably, the lower end of the centralizing and diffusing pipe is provided with a steel bottom plate; the steel bottom plate is fixed on the concrete foundation through anchor bolts pre-buried in the concrete foundation.

[0014] More preferably, the threaded part of the upper end of each anchor bolt penetrates through the steel bottom plate and is provided with a steel washer and a double nut to realize fastening.

[0015] More preferably, at least one of the anchor bolts is provided with a grounding flat iron to butt against a grounding pipe network through the grounding flat iron.

[0016] More preferably, a plurality of reinforcing plates are arranged annularly and uniformly around the centralizing and diffusing pipe between the steel bottom plate and the centralizing and diffusing pipe; each of the reinforcing plates is fixed between the steel bottom plate and the centralizing and diffusing pipe through welding.

[0017] Preferably, the low-pressure combustible gas diffusing interface and the high-pressure combustible gas diffusing interface are both provided with an inclined section inclined to the concrete foundation and forming a 45-degree angle with the centralizing and diffusing pipe.

[0018] The other end of each of the inclined sections is connected with a horizontal section vertical to the centralizing and diffusing pipe; each of the diffusing openings is provided with a bird net away from the other end of the T-shaped three-way pipe and is provided with a flame detection device outside.

[0019] Preferably, each of the diffusing openings is provided with a weeping hole towards the side wall of the concrete foundation.

[0020] Preferably, each of the collars is in a hoop structure and comprises a pair of flat steel hoops and bolts locking the corresponding flat steel hoops.

[0021] Preferably, each of the collars is provided with a polytetrafluoroethylene pad between the collar and the centralizing and diffusing pipe.

[0022] The utility model discloses the stability of the support, and the collar structure is combined, and the pipe diameter is small, and the diffusing height is high.

[0023] The utility model discloses the stability of the support, and the collar structure is combined, and the pipe diameter is small, and the diffusing height is high.

[0024] When the utility model carries out the periodical purging, the pressure transmitter reading is sent to the background calculation pressure difference through the remote function, and the alarm can be triggered when exceeding a certain value, prompting the operator to further check

[0025] This utility model uses a T-shaped three-way pipe and a vent to release combustible gas, and adds a bird net at the opening to effectively prevent rain, snow and dust from entering, and avoid the flame arrester from clogging or rusting.

[0026] This invention integrates temperature, pressure, and flame detection with the venting tube to achieve intelligent detection of venting safety.

[0027] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0028] Figure 1 A schematic diagram of an embodiment of the present invention is shown.

[0029] Figure 2 The diagram shows a schematic of the structure of a centralized venting pipe in one embodiment of the present invention.

[0030] Figure 3 This diagram illustrates the connection structure between the centralized venting pipe and the steel base plate in one embodiment of the present invention.

[0031] Figure 4 The diagram shows a structural schematic of an anchor bolt in one embodiment of the present invention.

[0032] Figure 5 The diagram shows a structural schematic of the collar in one embodiment of the present invention.

[0033] Figure 6 The diagram shows a structural schematic of a stiffening plate in one embodiment of the present invention. Detailed Implementation

[0034] Example

[0035] like Figures 1 to 5 As shown, the combustible gas centralized venting device includes a centralized venting pipe 2 vertically installed on a concrete foundation 1, and a support 3 for supporting the centralized venting pipe 2.

[0036] The side wall of the centralized vent pipe 2 is provided with a drain outlet 23, a nitrogen purging outlet 24, a pressure transmitter 25, a low-pressure combustible gas venting interface 26, a high-pressure combustible gas venting interface 27 and a temperature sensor 28 in sequence from bottom to top, and a flame arrester 4 and a T-shaped tee pipe 5 in sequence from top to bottom.

[0037] The two coaxial ports of the T-shaped tee pipe 5 are symmetrically arranged according to the axial direction of the centralized vent pipe 2, and both are provided with vent ports 6;

[0038] Each diffusion port 6 is tubular, one end of which is connected with the T-shaped tee pipe 5, and the other end is provided with a 45-degree inclined cutting surface towards one side of the concrete foundation 1.

[0039] The support 3 comprises three or more circular steels 31 which are uniformly distributed around the central diffusion pipe 2 and form an acute angle with the upper end of the central diffusion pipe 2, and two or more sleeves 32 which are arranged along the length direction of the central diffusion pipe 2.

[0040] All the circular steels 31 are connected with each sleeve 32 through connecting rods 34 which are perpendicular to the central diffusion pipe 2 to form the support 3.

[0041] Each inclined circular steel 31 is connected with each sleeve 32 through the connecting rod 34 to form the support 3, the sleeve 32 is used to fix the central diffusion pipe 2, the integral central diffusion pipe 2 is adopted, and the support 3 with the sleeve 32 is used for support.

[0042] The T-shaped tee pipe is arranged at the top of the central diffusion pipe 2 to diffuse the combustible gas through the diffusion port, so that rain, snow and dust are effectively prevented from entering, and the blockage and rust of the flame arrester are avoided.

[0043] The central diffusion pipe 2 is also provided with pressure monitoring facilities, temperature monitoring facilities and flame monitoring facilities.

[0044] Since the central diffusion pipe 2 needs to be periodically purged to confirm whether the flame arrester is blocked, the pressure remote data of the pressure transmitter 25 is used to perform differential pressure calculation on the control system, and when the value reaches a certain value, an alarm is triggered to remind the operator to take further inspection measures.

[0045] In some embodiments, the lower end of the central diffusion pipe 2 is provided with a steel bottom plate 21, and the steel bottom plate 21 is fixed to the concrete foundation 1 through the anchor bolt 9 embedded in the concrete foundation 1.

[0046] The steel bottom plate 21 of the central diffusion pipe 2 is fixed to the concrete foundation 1 by the anchor bolt 9.

[0047] In some embodiments, the threaded part of the upper end of each anchor bolt 9 penetrates through the steel bottom plate 21 and is provided with a steel washer 91 and a double nut 92 to realize fastening.

[0048] In some embodiments, at least one anchor bolt 9 is provided with a grounding flat iron 93 which is connected with the grounding pipe network.

[0049] In actual application, the grounding flat iron 93 at the bottom of the central diffusion pipe 2 is connected with the grounding pipe network as a lightning protection grounding measure.

[0050] For example, Figure 1 , Figure 3 and Figure 6As shown, in some embodiments, a plurality of reinforcing plates 22 are arranged annularly and evenly around the central dispersion pipe 2 between the steel bottom plate 21 and the central dispersion pipe 2; each reinforcing plate 22 is fixed between the steel bottom plate 21 and the central dispersion pipe 2 by welding.

[0051] In some embodiments, the low-pressure combustible gas dispersion interface 26 and the high-pressure combustible gas dispersion interface 27 are each provided with an inclined section 201 inclined towards the concrete foundation 1 and at an angle of 45 degrees with the central dispersion pipe 2.

[0052] The other end of each inclined section is connected to a horizontal section 202 perpendicular to the central dispersion pipe 2.

[0053] In some embodiments, each dispersion port 6 is provided with a bird net 61 at the other end away from the T-shaped three-way pipe 5, and is provided with a flame detection device outside.

[0054] The flame detection device can further monitor whether there is an abnormal situation such as fire around the central dispersion pipe 2 that causes over-temperature.

[0055] In some embodiments, each dispersion port 6 is provided with a weep hole 62 towards the side wall of the concrete foundation 1.

[0056] In some embodiments, each set of rings 32 is in the form of a hoop structure, and each set of rings 32 includes a pair of flat steel hoops 321 and a bolt 322 locking the corresponding flat steel hoops 321.

[0057] In some embodiments, each set of rings 32 is provided with a polytetrafluoroethylene pad 33 between the set of rings 32 and the central dispersion pipe 2.

[0058] In practical applications, the non-metallic material in the set of rings 32 is a polytetrafluoroethylene pad 33.

[0059] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiments based on the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A combustible gas concentration release device; characterized by, The device comprises a centralizing and diffusing pipe (2) vertically arranged on a concrete foundation (1), and a support (3) for supporting the centralizing and diffusing pipe (2); The side wall of the centralizing and diffusing pipe (2) is sequentially provided with a blowdown port (23), a nitrogen purging port (24), a pressure transmitter (25), a low-pressure combustible gas diffusing interface (26), a high-pressure combustible gas diffusing interface (27), and a temperature sensor (28) from bottom to top, and is sequentially provided with a flame arrester (4) and a T-shaped tee (5) at the upper end. The two coaxial ports of the T-shaped tee (5) are arranged according to the axial symmetry of the centralizing and diffusing pipe (2), and are both provided with a diffusing port (6). Each diffusing port (6) is tubular, one end of which is connected with the T-shaped tee (5), and the other end thereof is provided with a 45-degree inclined cutting surface towards one side of the concrete foundation (1). The support (3) comprises three or more circular steels (31) which are uniformly distributed around the centralizing and diffusing pipe (2) and form an acute angle with the upper end of the centralizing and diffusing pipe (2), and two or more sleeves (32) which are arranged along the length direction of the centralizing and diffusing pipe (2). All the circular steels (31) are connected with each sleeve (32) through a connecting rod (34) which is perpendicular to the centralizing and diffusing pipe (2) to form the support.

2. The combustible gas concentration releasing device according to claim 1, characterized by The lower end of the centralizing and diffusing pipe (2) is provided with a steel bottom plate (21); the steel bottom plate (21) is fixed to the concrete foundation (1) through foundation bolts (9) which are pre-buried in the concrete foundation (1).

3. The combustible gas concentration releasing device according to claim 2, characterized by The threaded part of the upper end of each foundation bolt (9) penetrates through the steel bottom plate (21) and is provided with a steel washer (91) and a double nut (92) to realize fastening.

4. The combustible gas concentration releasing device according to claim 3, wherein At least one foundation bolt (9) is provided with a grounding flat iron (93) which is connected with a grounding pipe network.

5. The combustible gas concentration releasing device according to claim 2, wherein A plurality of reinforcing plates (22) are arranged around the centralizing and diffusing pipe (2) between the steel bottom plate (21) and the centralizing and diffusing pipe (2); each reinforcing plate (22) is fixed between the steel bottom plate (21) and the centralizing and diffusing pipe (2) through welding.

6. The combustible gas concentration releasing device according to claim 2, wherein The low-pressure combustible gas diffusing interface (26) and the high-pressure combustible gas diffusing interface (27) are both provided with an inclined section (201) which is inclined towards the concrete foundation (1) and forms a 45-degree angle with the centralizing and diffusing pipe (2). The other end of each inclined section is connected with a horizontal section (202) which is perpendicular to the centralizing and diffusing pipe (2).

7. The combustible gas concentration releasing device according to claim 1, wherein The other end of each diffusing port (6) away from the T-shaped tee (5) is provided with a bird net (61), and a flame detection device is arranged outside.

8. The combustible gas concentration releasing device according to claim 1, wherein Each diffusing port (6) is provided with a weeping hole (62) towards the side wall of the concrete foundation (1).

9. The combustible gas concentration and dispersion device according to claim 1, characterized by, Each sleeve (32) is in a clamp structure and comprises a pair of flat steel clamps (321) and a bolt (322) for locking the flat steel clamps (321).

10. The combustible gas concentration releasing apparatus according to claim 1, wherein A polytetrafluoroethylene pad (33) is arranged between each sleeve (32) and the centralizing and diffusing pipe (2).

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