Fuel gas pipeline structure of torch incandescent light

Abstract

The utility model relates to a fuel gas pipeline structure of a torch incandescent light. The device comprises an incandescent light which is arranged at the top of a torch head and connected with an incandescent light gas supply branch pipe; the gas supply mechanism is connected with the incandescent light, the gas supply mechanism comprises a gas supply main pipe and an auxiliary main pipe, one end of the gas supply main pipe is connected with the fuel gas supply unit through a pressure regulating valve, and the gas supply main pipe is connected with a plurality of incandescent light gas supply branch pipes 1; one end of the auxiliary main pipe is connected to the gas supply main pipe between the fuel gas supply unit and the incandescent light gas supply branch pipes, and the other end of the auxiliary main pipe is connected with one or more incandescent light gas supply branch pipes through auxiliary main pipe branch pipes; one end of the combustion-accompanying gas supply pipeline is connected with a combustion-accompanying gas supply unit, the other end of the combustion-accompanying gas supply pipeline is connected with the auxiliary main pipe through a combustion-accompanying gas instrument control valve, and when the torch head cannot be ignited, the combustion-accompanying gas instrument control valve is opened. The incandescent light solves the problems that an existing incandescent light with a traditional design is unstable in combustion, not environmentally friendly, prone to blockage and prone to being affected by weather.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of chemical industry torch technology, specifically relates to a torch long lasting light gas pipeline structure. BACKGROUND

[0002] The device torch is the conventional matching facility of chemical production system, and is used for burning and venting the waste gas generated by the production system through the torch. In the design of the torch, a plurality of long lasting lights are arranged on the top of the torch head, fuel gas is transported into the long lasting light through the pipeline, is ignited by the high-voltage electrode igniter, and the combustion state of the long lasting light is maintained, which is like an eternal candle that ensures the stable combustion of the exhaust gas around the torch head.

[0003] The long lasting light of the traditional design cannot successfully ignite the exhaust gas due to the complexity of the exhaust gas source, such as high nitrogen content and low heat value of the exhaust gas, which causes the extinguishing of the long lasting light and leads to environmental protection events. The fuel gas used in the long lasting light contains a certain amount of dust, which is easy to block the long lasting light after a long time of operation. The traditional long lasting light is generally in the diffusion combustion mode, and the flame is unstable, which is easy to be extinguished in windy and rainy weather. SUMMARY

[0004] The utility model discloses a torch long lasting light gas pipeline structure, which solves the problems of unstable combustion, environmental pollution, easy blockage and weather influence of the long lasting light of the traditional design.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a torch long lasting light gas pipeline structure, comprising:

[0006] The long lasting light is arranged on the top of the torch head and connected with the long lasting light gas supply branch pipe.

[0007] The gas supply mechanism is connected with the long lasting light, and the gas supply mechanism comprises:

[0008] The gas supply main pipe is connected with the fuel gas supply unit through the pressure regulating valve at one end, and a plurality of long lasting light gas supply branch pipes are connected on the gas supply main pipe.

[0009] The auxiliary main pipe is connected on the gas supply main pipe between the gas supply unit and the long lasting light gas supply branch pipe at one end, and connected with one or more long lasting light gas supply branch pipes through the auxiliary main pipe branch pipe at the other end.

[0010] Further, a precision filter is arranged on the pipeline between the connection of the gas supply main pipe and the auxiliary main pipe and the long lasting light gas supply branch pipe.

[0011] Further, a precision filter is arranged on the pipeline between the connection of the gas supply main pipe and the auxiliary main pipe and the long lasting light gas supply branch pipe.

[0012] Further, the supplementary gas supply pipeline is connected at one end to the supplementary gas supply unit and at the other end to the auxiliary main pipe.

[0013] Further, hand valves are arranged on the auxiliary main pipe branch pipes respectively.

[0014] Further, the long-lasting lamp is a back pressure type long-lasting lamp, and the pressure regulating valve is a self-operated pressure regulating valve arranged on the gas supply main pipe.

[0015] Further, a hand valve is arranged on the long-lasting lamp gas supply branch pipe, and a pressure gauge is arranged on the pipeline between the hand valve and the long-lasting lamp.

[0016] Compared with the prior art, the utility model has the beneficial effects that,

[0017] First, the accompanying gas and the accompanying gas instrument control valve are arranged, when the exhaust gas cannot be ignited smoothly, the accompanying gas instrument control valve is opened, the fuel gas enters the torch head and the low heat value exhaust gas through the auxiliary main pipe to mix and form mixed gas which burns together in the torch head.

[0018] Second, the precision filter is arranged on the gas supply main pipe to filter the fuel gas dust in advance and prevent the fine powder particles from blocking the long-lasting lamp.

[0019] Third, the supplementary gas is also designed to be directly delivered to the long-lasting lamp outlet position of the torch head as the auxiliary supplementary gas when the long-lasting lamp is abnormal, the problem of insufficient long-lasting lamp flame under complex working conditions is prevented, in addition, the hand valve is also designed in the process as a backup to prevent the gas from being cut off due to the precision filter failure, the hand valve A and the hand valve B can be opened to directly supply gas to the long-lasting lamp to maintain the normal operation of the long-lasting lamp and the torch.

[0020] Fourth, the back pressure type long-lasting lamp is selected in the scheme, the self-operated pressure regulating valve is designed in the process to adjust the pressure of the long-lasting lamp gas supply branch pipe to change the back pressure in front of the long-lasting lamp to adjust the fuel gas flow and the flame burning rigidity, the stable combustion can be ensured while the fuel gas is saved, and the long-lasting lamp flame rigidity is maintained; the pressure gauge is arranged behind the long-lasting lamp gas supply branch pipe hand valve to facilitate monitoring the back pressure of each long-lasting lamp. In addition, the self-operated pressure regulating valve is provided with the pressure regulating bypass hand valve to prevent the self-operated pressure regulating valve from being opened to ensure uninterrupted gas supply and maintain the continuous gas supply of the long-lasting lamp when the self-operated pressure regulating valve fails. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic view of the torch long-lasting lamp gas pipeline structure is provided for the embodiment of the application.

[0022] Wherein, 1 long lasting lamp gas supply branch pipe, 2 supplementary gas pipeline, 3 accompanying gas pipeline, 3-1 accompanying gas instrument control valve, 4 pressure regulating valve, 5 pressure regulating bypass valve, 6 precision filter, 7 gas supply main pipe, 8 auxiliary main pipe. DETAILED DESCRIPTION

[0023] The utility model will be made further detailed description in combination with the drawings.

[0024] As Figure 1 Indicated, a torch long lasting lamp gas pipeline structure, comprising:

[0025] 7 long lasting lamps, set up in the torch head top, with 7 long lasting lamp gas supply branch pipes 1 are connected respectively;

[0026] Gas supply mechanism, gas supply main pipe 7 one end connects fuel gas supply unit, the other end is connected with long lasting lamp;Auxiliary main pipe 8, its one end is connected on the gas supply main pipe 7 between fuel gas supply unit and long lasting lamp gas supply branch pipe 1, the other end is connected with two long lasting lamp gas supply branch pipes 1 through auxiliary main pipe branch pipe;

[0027] Accompanying gas supply pipeline 3, its one end connects fuel gas accompanying gas supply unit, the other end is connected with auxiliary main pipe 8 through accompanying gas instrument control valve 3-1, when the torch head can not be ignited, accompanying gas instrument control valve opens.

[0028] Gas supply main pipe 7 is provided with precision filter 6.Precision filter 6 is located at the connecting place of gas supply main pipe 7 and auxiliary main pipe 8 and between long lasting lamp gas supply branch pipe 1.

[0029] Supplementary gas supply pipeline 2, its one end connects supplementary gas supply unit, the other end is connected with auxiliary main pipe 8.

[0030] Hand valve A2-1 and hand valve B2-2 are respectively arranged on two auxiliary main pipe branch pipes.

[0031] Long lasting lamp is back pressure type long lasting lamp, pressure regulating valve 4 is self force type pressure regulating valve, and bypass pipeline is arranged around pressure regulating valve (4), and pressure regulating bypass hand valve (5) is arranged on the bypass pipeline.

[0032] Hand valve is arranged on long lasting lamp gas supply branch pipe (1), and pressure gauge is arranged on the pipeline between hand valve and long lasting lamp.

Claims

1. A torch long-lasting lamp gas pipeline structure, comprising: a long-lasting lamp arranged on the top of a torch head and connected with a long-lasting lamp gas supply branch pipe (1); a gas supply mechanism connected with the long-lasting lamp, the gas supply mechanism comprising: a gas supply main pipe (7) having one end connected with a fuel gas supply unit through a pressure regulating valve (4), and a plurality of long-lasting lamp gas supply branch pipes (1) connected on the gas supply main pipe; an auxiliary main pipe (8) having one end connected on the gas supply main pipe (7) between the fuel gas supply unit and the long-lasting lamp gas supply branch pipe (1), and the other end connected with one or more long-lasting lamp gas supply branch pipes (1) through an auxiliary main pipe branch pipe; characterized in that it further comprises a pilot gas supply pipeline (3) having one end connected with a pilot gas supply unit and the other end connected with the auxiliary main pipe (8) through a pilot gas instrument control valve (3-1), and the pilot gas instrument control valve (3-1) is opened when the torch head cannot be ignited.

2. The torch lighter pilot light gas line structure of claim 1, wherein, A precision filter (6) is arranged on the pipeline between the connection of the gas supply main pipe (7) and the auxiliary main pipe (8) and the long-lasting lamp gas supply branch pipe (1).

3. The torch lighter pilot light gas conduit structure of claim 1, wherein, The pipeline further comprises a make-up gas supply pipeline (2) having one end connected with a make-up gas supply unit and the other end connected with the auxiliary main pipe (8).

4. The torch lighter pilot light gas conduit structure of claim 3, wherein, A hand valve is arranged on the auxiliary main pipe branch pipe.

5. The torch lighter pilot light gas conduit structure of claim 1, wherein, The long-lasting lamp is a back pressure type long-lasting lamp, and the pressure regulating valve (4) is a self-powered pressure regulating valve arranged on the gas supply main pipe (7), and a bypass pipeline is arranged around the pressure regulating valve (4) and a pressure regulating bypass hand valve (5) is arranged on the bypass pipeline.

6. The torch lighter pilot light gas conduit structure of claim 1, wherein, A hand valve is arranged on the long-lasting lamp gas supply branch pipe (1), and a pressure gauge is arranged on the pipeline between the hand valve and the long-lasting lamp.

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