CN212057330U - Combustible gas combustion equipment - Google Patents

Abstract

The utility model discloses a combustible gas combustion apparatus, include: the ignition device comprises a combustion cylinder, a combustor and a plurality of ignition modules, wherein the combustor and the ignition modules are arranged in the combustion cylinder; the top of the combustion cylinder is of an open structure, the combustor is arranged in the combustion cylinder and provided with a main air inlet pipe and a plurality of combustion pipes, the combustion pipes are communicated with the main air inlet pipe, and a plurality of air outlet holes are formed in the combustion pipes; the ignition module comprises an installation support, a gas pipe, a flame spraying pipe and an igniter, wherein the installation support is arranged in the combustion cylinder, the gas pipe, the flame spraying pipe and the igniter are all arranged on the installation support, an upper pipe orifice of the gas pipe is inserted into the flame spraying pipe, and the igniter is used for igniting gas conveyed into the flame spraying pipe by the gas pipe; a plurality of ignition modules are arranged around the periphery of the burner. The large-area combustor is arranged in the reburning cylinder to meet the requirement of redundant fuel gas combustion in a petrochemical plant, so that the manufacturing cost and the later maintenance cost are reduced.

Description

Combustible gas combustion equipment

Technical Field

The utility model relates to a test equipment especially relates to a combustible gas combustion apparatus.

Background

In petrochemical plants, ignition combustion is generally required for the combustible gas discharged outside to ensure the safety of the emission. In a petrochemical plant, an elevated combustion pipeline is generally adopted for redundant fuel gas, so that the fuel gas is conveyed to a high altitude through the combustion pipeline for ignition and combustion, and then the safe combustion treatment of the fuel gas is ensured. However, the overall height of the combustion pipe is high, and the manufacturing cost and the later maintenance cost are high in the actual construction process. From this, how to design a low in manufacturing cost and low in maintenance cost's gas safe combustion technique is the utility model discloses the technical problem that will solve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combustible gas combustion apparatus arranges the combustor of large tracts of land in order to satisfy the requirement of the unnecessary gas burning of petrochemical plant through the recombustion section of thick bamboo, has reduced manufacturing cost and later stage cost of maintenance.

The utility model provides a combustible gas combustion apparatus, include: the ignition device comprises a combustion cylinder, a combustor and a plurality of ignition modules, wherein the combustor and the ignition modules are arranged in the combustion cylinder; the top of the combustion cylinder is of an open structure, the combustor is arranged in the combustion cylinder and provided with a main air inlet pipe and a plurality of combustion pipes, the combustion pipes are communicated with the main air inlet pipe, and a plurality of air outlet holes are formed in the combustion pipes; the ignition module comprises a mounting bracket, a gas pipe, a flame spraying pipe and an igniter, wherein the mounting bracket is arranged in the combustion cylinder, the gas pipe, the flame spraying pipe and the igniter are all arranged on the mounting bracket, an upper pipe orifice of the gas pipe is inserted into the flame spraying pipe, and the igniter is used for igniting gas conveyed into the flame spraying pipe by the gas pipe; a plurality of the ignition modules are arranged around a periphery of the burner.

Further, the flame spraying pipe extends upwards in an inclined mode.

Further, the mounting bracket comprises a base, a supporting rod and an ignition cylinder, the base is arranged at the bottom of the combustion cylinder, the supporting rod is vertically fixed on the base, and the ignition cylinder is vertically arranged on the supporting rod; the gas transmission pipe is arranged on the support rod, the upper area of the pipe wall of the gas transmission pipe is provided with a vent hole, the vent hole is communicated with the ignition cylinder through a connecting gas pipe, the pipe wall of the flame spraying pipe is provided with a mounting opening, the upper end part of the ignition cylinder is inserted into the mounting opening, and the igniter is arranged in the ignition cylinder.

Furthermore, a bell mouth is formed at the lower end part of the gas conveying pipe, and a connecting pipe is arranged in the bell mouth; the combustible gas combustion equipment still includes the subassembly that admits air, the subassembly that admits air includes ring flange and air supply pipe, the first port of air supply pipe with the ring flange is connected, the second port of air supply pipe with the connecting pipe is connected, the diameter of first port is greater than the diameter of second port.

Furthermore, an air suction pipe is further arranged in the flame spraying pipe, one end of the air suction pipe is located in the flame spraying pipe, the air suction pipe extends in a direction opposite to the flame spraying direction of the flame spraying pipe, and the other end of the air suction pipe is located outside the flame spraying pipe.

Furthermore, a plurality of observation windows are arranged on the side wall of the combustion cylinder along the height direction.

Has the advantages that:

through set up combustor and ignition module in the combustion cylinder, wherein, the combustor comes outside output gas through arranging many combustion tubes, with satisfy the burning requirement of abandonment gas in the petrochemical plant, the combustor can be the burning of large tracts of land in the combustion cylinder, and simultaneously, through a plurality of whole combustion face of effectively firing the combustor around combustor respective ignition module, avoid the area of igniting less and cause the gas to leak to the outside condition of combustion cylinder and take place, with the improvement use fail safe nature, and because the height of combustion cylinder is lower, can reduce manufacturing cost on the one hand, on the other hand also makes things convenient for later stage personnel to maintain fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the combustible gas combustion device of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the combustible gas combustion apparatus of the present invention;

FIG. 3 is a schematic view of the gas supply tube of FIG. 2;

figure 4 is a cross-sectional view of the gas supply tube of figure 2;

fig. 5 is an assembly view of the ignition barrel and the flame-throwing tube of fig. 2.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

As shown in fig. 1 to 5, the combustible gas combustion apparatus of the present embodiment includes a combustion can 100, and a burner 200 and a plurality of ignition modules 300 provided in the combustion can 100; the top of the combustion cylinder 100 is of an open structure, the combustor 200 is arranged in the combustion cylinder 100, the combustor 200 is provided with a main air inlet pipe 201 and a plurality of combustion pipes 202, the combustion pipes 202 are communicated with the main air inlet pipe 201, and a plurality of air outlet holes 2021 are formed in the combustion pipes 202; the ignition module 300 comprises a mounting bracket 1, an air pipe 2, a flame spraying pipe 3 and an igniter 4, wherein the mounting bracket is arranged in the combustion cylinder 100, the air pipe, the flame spraying pipe and the igniter are all arranged on the mounting bracket, an upper pipe orifice of the air pipe 2 is inserted into the flame spraying pipe 3, and the igniter 4 is used for igniting gas conveyed into the flame spraying pipe by the air pipe; a plurality of ignition modules 300 are arranged around the periphery of the combustor 200.

Specifically, the waste gas generated in the petrochemical plant is fed into the main gas inlet pipe 201, and the gas is simultaneously discharged into the combustion liner 100 through the plurality of combustion pipes 202, and at the same time, the combustible gas fed to the flame-out pipe 3 through the gas feed pipe 2 of the ignition module 300 is ignited by the igniter 4, and the flame-out pipe 3 ignites in the combustion liner 100 to ignite the gas discharged from the combustor 200 in a large area. On one hand, the plurality of combustion pipes 202 can meet the combustion requirement of the waste gas, on the other hand, the burner 200 is ignited through the flame spraying pipe 3, the ignition requirement of a large-area combustion surface can be met, and the condition that the gas is leaked due to not being ignited in the ignition process is avoided.

At the same time, the combustion cans 100 are less expensive to manufacture than conventional elevated combustion ducts due to their lower overall height dimension. Meanwhile, during later maintenance, the maintenance is convenient for operators to maintain on the ground, so that the maintenance cost is reduced.

The flame-projecting tube 3 is extended upward in an inclined manner, and the flame projected from the flame-projecting tube 3 is directed toward the middle upper portion of the combustion cylinder 100 to cover the combustion surface of the burner 200 with the largest area, thereby ensuring reliable and safe ignition.

In addition, a plurality of observation windows 101 are provided on the side wall of the combustion tube 100 in the height direction, so that the operator can observe the combustion condition conveniently through the observation windows 101.

Further, the mounting bracket 1 comprises a base 11, a support rod 12 and an ignition cylinder 13, wherein the support rod 12 is vertically fixed on the base 11, and the ignition cylinder 13 is vertically arranged and fixed on the support rod 12; the gas pipe 2 is arranged on the support rod 12, the upper area of the pipe wall of the gas pipe 2 is provided with a vent hole 21, the vent hole 21 is communicated with the ignition cylinder 13 through a connecting gas pipe 20, the upper pipe orifice of the gas pipe 2 is inserted into the flame-spraying pipe 3, the pipe wall of the flame-spraying pipe 3 is provided with a mounting opening (not marked), the upper end part of the ignition cylinder 13 is inserted into the mounting opening, and the igniter 4 is arranged in the ignition cylinder 13.

In the actual use process, gas is supplied into the gas conveying pipe 2, most of the gas enters the flame spraying pipe 3 through the gas conveying pipe 2 in the transmission process of the gas conveying pipe 2, and a small part of the gas enters the ignition barrel 13 along the connecting gas pipe 20 through the vent hole 21 in the gas conveying process. The gas entering the ignition cylinder 13 is ignited and combusted by the action of the igniter 4, the flame in the ignition cylinder 13 enters the upper flame-throwing tube 3, and the gas in the flame-throwing tube 3 is ignited to realize outward flame throwing. The flame sprayed from the flame spraying pipe 3 has a large area and a long transmission distance, and can better meet the requirement of large-area ignition. Preferably, the flame tube 3 is further provided with an air suction pipe 31, one end of the air suction pipe 31 is positioned at the flame tube 3, the air suction pipe 31 extends away from the flame direction of the flame tube 3, and the other end of the air suction pipe 31 is positioned outside the flame tube 3. In the process of outward flame spraying of the flame spraying pipe 3, the air suction pipe 31 can be used for further supplying air so as to improve the combustion sufficiency of the flame and enlarge the area covered by the flame.

Meanwhile, as for the connecting air pipe 20, an end of the connecting air pipe 20 in the ignition cylinder 13 is formed into an elbow bent upward, so that the gas output from the connecting air pipe 20 is delivered upward, and after being ignited by the igniter 4, the flame is rapidly delivered into the flame projecting pipe 3. And a receptacle 131 may be provided at a sidewall of the ignition cylinder 13, and the connection air tube 20 is sealingly inserted into the receptacle 131.

And for the igniter 4 in the ignition cylinder 13, the performance entity can adopt an electronic ignition device in the conventional technology, and the igniter 4 can control the ignition thereof at a remote position through a cable, so that an operator can be far away from a dangerous area to improve the use safety and reliability.

Furthermore, in order to increase the air flow, a bell mouth 22 is formed at the lower end part of the air delivery pipe 2, and a connecting pipe 23 is arranged in the bell mouth 22; the combustible gas combustion device further comprises a gas inlet assembly 5, wherein the gas inlet assembly 5 comprises a flange plate 51 and a gas supply pipe 52, a first port of the gas supply pipe 52 is connected with the flange plate 51, and a second port of the gas supply pipe 52 is connected with the connecting pipe 23.

In actual use, an external air supply source (such as a gas tank or a gas pipeline) is connected with the flange 51 through a pipeline, and gas enters the gas supply pipe 52 and is conveyed into the gas conveying pipe 2. The gas flow rate of the gas output from the gas supply pipe 52 is high, which will generate the effect of jet flow in the bell mouth 22, and further the outside air is sucked into the gas pipe 2 via the gap between the connecting pipe 23 and the inner wall of the bell mouth 22 for transmission, so as to obtain a larger gas flow.

In addition, in order to increase the flow rate of the gas, the diameter of the first port is larger than that of the second port, so that the flow of the gas pipe 2 is more effectively increased by using the venturi principle. And for the convenience of installing the connecting pipe 23 in the bell mouth 22, the inner wall of the bell mouth 22 is provided with the transverse support 221, the connecting pipe 23 is arranged on the transverse support 221, the installation requirement of the connecting pipe 23 on the bell mouth 22 in a suspension manner can be met through the transverse support 221, and on the other hand, the transverse support 221 cannot obstruct the smooth entering of the external air flow into the air pipe 2, so that the smooth ventilation is ensured.

The utility model provides a combustible gas combustion apparatus, through set up combustor and ignition module in the combustion cylinder, wherein, the combustor comes outside output gas through arranging many combustion tubes, with satisfy the burning requirement of abandonment gas in the petrochemical plant, the combustor can be in the combustion cylinder burning by a large scale, and simultaneously, through a plurality of whole combustion face of effectively firing the combustor around combustor respective ignition module, avoid the area of igniteing less and cause the gas to leak to the outside condition emergence of combustion cylinder, in order to improve and use fail safe nature, and because the height of combustion cylinder is lower, manufacturing cost can be reduced on the one hand, on the other hand also makes things convenient for later stage personnel quick maintenance.

Claims (6)

1. A combustible gas combustion device, comprising: the ignition device comprises a combustion cylinder, a combustor and a plurality of ignition modules, wherein the combustor and the ignition modules are arranged in the combustion cylinder; the top of the combustion cylinder is of an open structure, the combustor is arranged in the combustion cylinder and provided with a main air inlet pipe and a plurality of combustion pipes, the combustion pipes are communicated with the main air inlet pipe, and a plurality of air outlet holes are formed in the combustion pipes; the ignition module comprises a mounting bracket, a gas pipe, a flame spraying pipe and an igniter, wherein the mounting bracket is arranged in the combustion cylinder, the gas pipe, the flame spraying pipe and the igniter are all arranged on the mounting bracket, an upper pipe orifice of the gas pipe is inserted into the flame spraying pipe, and the igniter is used for igniting gas conveyed into the flame spraying pipe by the gas pipe; a plurality of the ignition modules are arranged around a periphery of the burner.

2. The combustible gas combustion device of claim 1, wherein the flame lances extend obliquely upward.

3. The combustible gas combustion device of claim 1 wherein the mounting bracket comprises a base, a support bar and an ignition pot, the base being disposed at the bottom of the combustion pot, the support bar being vertically fixed to the base, the ignition pot being vertically disposed on the support bar; the gas transmission pipe is arranged on the support rod, the upper area of the pipe wall of the gas transmission pipe is provided with a vent hole, the vent hole is communicated with the ignition cylinder through a connecting gas pipe, the pipe wall of the flame spraying pipe is provided with a mounting opening, the upper end part of the ignition cylinder is inserted into the mounting opening, and the igniter is arranged in the ignition cylinder.

4. The combustible gas combustion device according to claim 1 wherein a flare is formed at a lower end of the gas pipe, and a connecting pipe is provided in the flare; the combustible gas combustion equipment still includes the subassembly that admits air, the subassembly that admits air includes ring flange and air supply pipe, the first port of air supply pipe with the ring flange is connected, the second port of air supply pipe with the connecting pipe is connected, the diameter of first port is greater than the diameter of second port.

5. The combustible gas combustion device of claim 1, wherein an air suction pipe is further provided in the flame lances, one end of the air suction pipe is located in the flame lances, the air suction pipe extends away from a firing direction of the flame lances, and the other end of the air suction pipe is located outside the flame lances.

6. The combustible gas combustion device according to any one of claims 1 to 5, wherein a plurality of observation windows are provided in a height direction on a side wall of the combustion cylinder.

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