CN102135274A

CN102135274A - Gas safe diffusion combustion device

Info

Publication number: CN102135274A
Application number: CN2010102979742A
Authority: CN
Inventors: 杨裕能
Original assignee: Nantong Haiying Electromechanical Group Co Ltd
Current assignee: Nantong Haiying Electromechanical Group Co Ltd
Priority date: 2010-09-30
Filing date: 2010-09-30
Publication date: 2011-07-27

Abstract

The invention relates to a gas safe diffusion combustion device and belongs to the technical field of waste gas treatment devices. The device comprises a molecule sealer of which the bottom and the top are provided with a diffusion gas inlet and a diffusion gas outlet; a torch head provided with an igniter is arranged at the diffusion gas outlet; the diffusion gas inlet of the module sealer is extended upward out of an in-built diffusion pipe of which the outlet is formed upward; a safety hood which is positioned in the module sealer and is provided a downward opening covers outside the outlet of the in-built diffusion pipe so as to form an S-shaped circuitous gas flow passage in which the diffusion gas enters the inlet, flows upward, and reaches the outlet of the in-built diffusion pipe, flows downward along an annular passage between the safety hood and the in-built diffusion pipe, then flows upward along an annular passage between the inner wall of the module sealer and the safety hood, and then finally reaches the torch head through the diffusion gas outlet of the module sealer; and one side of the diffusion gas inlet of the module sealer is provided with a safe gas inlet. The gas safe diffusion combustion device can completely avoid blast danger caused by tempering during ignition under the condition of not using a fire retarding net, so that the device is safe and reliable and the cost is economic.

Description

A kind of gas safe diffuses burner

Technical field

The present invention relates to a kind of burner that gives out of gas, especially a kind of gas safe diffuses burner, belongs to the emission-control equipment technical field.

Background technology

The burner that gives out of gas is to aim at the emptying end gas burning of enterprise such as oil, chemical industry, metallurgy and a kind of burner of manufacturing and designing, usually by flare tip, molecular sealer, altar lamp and ignition installation, flame detection equipment, light a fire program control cabinet etc. is partly formed automatically.The key issue of the existing burner that gives out of gas is the generation of tempering will avoid lighting a fire the time and the success rate and the reliability of igniting, thereby guarantees security of system and diffuse carrying out smoothly of burning.

Retrieval is found, application number is that the Chinese patent of 200820222469.X discloses a kind of cyclone separating fuel gas and releases flare, it is characterized in that: blow-down pipe is fixed in the cavity of cyclonic separation body upper end, the cyclonic separation body is fixed by group's seat cylindrical shell, group's seat cylindrical shell is fixing with group's seat, cyclonic separation side tube wall has air inlet, there is discharge gate the cone lower end of cyclonic separation body, the discharge gate below is connected on group's seat cylindrical shell, between discharge gate and the group's seat cylindrical shell back-fire relief silk screen is arranged, on the back-fire relief silk screen hand hole is arranged, leakage fluid dram is arranged down, ignition system is arranged at the top of blow-down pipe, and ignition system is connected with the ignition tube of group's seat cylindrical shell bottom side.In addition, application number is that the Chinese patent of 200620012433.X discloses a kind of Iganition control system of releasing flare, adopt in this technical scheme have steady flame head in the combustion head ever-burning flame combustion head that ignites of igniting.Above-mentioned prior art constructions is comparatively complicated, and the pressure loss that adopts the back-fire relief silk screen to produce is bigger, therefore can influence the continuity and the stability of emptying burning, and back-fire relief silk screen cost cost is higher simultaneously.In addition, the combustion head of igniting in the employing is because firing device integral body contacts naked light for a long time, and service life is shorter.

Summary of the invention

Primary and foremost purpose of the present invention is: propose a kind of can thoroughly avoid lighting a fire without the back-fire relief net time gas safe of tempering diffuse burner.

Further aim of the present invention is: propose the gas safe that a kind of Ignition Stability is good, reliability is high and diffuse burner.

In order to reach above primary and foremost purpose, gas safe of the present invention diffuses the molecular sealer that burner comprises that bottom and top have the gas feed of diffusing respectively and diffuse gas vent, described diffusing settled the flare tip with igniter on the gas vent, its improvements are: the gas feed of diffusing of described molecular sealer extends upward outlet built-in exhaust stack up; The outlet of described built-in exhaust stack is covered with and is positioned at molecular sealer inner opening safety guard down, forms to diffuse gas and arrived built-in exhaust stack outlet up, changeed down, again along the ring-like passage between molecular sealer inwall and safety guard up, finally the gas that diffuses by molecular sealer exports to the S type that the reaches flare tip gas channel that makes a circulation along the ring-like passage between safety guard and built-in exhaust stack then by import; Gas feed one side of diffusing of described molecular sealer has the safe gas import.

When system awaits orders, can import a certain amount of safe gas by the safe gas import.Because the proportion of safe gas less than air, therefore can form barrier layer on safety guard top, stop air directly to enter molecular sealer downstream pipe network, thereby avoid when igniting, producing back draft.This shows that tempering caused when the present invention can thoroughly avoid lighting a fire without the back-fire relief net fires danger, therefore not only safe and reliable, and cost economy.

It is that the bottom of described molecular sealer also has purge gas inlet that the present invention further improves.Like this, before system igniting, can be by molecular sealer and upstream line be purged, when further avoiding system's igniting, upstream line gas is impure and produce back draft.

In order to reach further purpose, the Gas Pipe of described igniter is with aid distributing pipe outward, has fuel gas hole and the wind distributing hole arranged by the dot matrix rule on described Gas Pipe and the aid distributing pipe respectively.

Like this, when combustion gas was sprayed by the fuel gas hole on the Gas Pipe, air mixed from the ring-like space that wind distributing hole enters between two pipes, met high pressure and excited spark ignition.Thereby guarantee that igniting is stable, reliable.Compare with the existing built-in combustion head of igniting, igniter does not contact naked light for a long time, so long service life.

Description of drawings

The present invention is further illustrated below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of one embodiment of the invention.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the enlarged diagram of igniter part among Fig. 1.

The specific embodiment

Embodiment one

The gas safe of present embodiment diffuses burner, as depicted in figs. 1 and 2, comprises the jar shape molecular sealer 5 that bottom and top have gas feed of diffusing 1 respectively and diffuse gas vent 9, diffuses and settles the flare tip 6 with igniter 8 on the gas vent.Diffuse gas feed 1 and extend upward outlet built-in exhaust stack 3 up.The outlet of built-in exhaust stack 3 is covered with and is positioned at molecular sealer 5 inner openings safety guard 4 down, thus form by diffuse gas feed 1 arrive up built-in exhaust stack outlet, then along the ring-like passage between safety guard 4 and the built-in exhaust stack 3 change down, again along the ring-like passage between molecular sealer 5 and the safety guard 4 up, finally by the S type that diffuses gas vent 9 arrival flare tips 6 gas channel that makes a circulation.Diffusing gas feed 1 one sides has as the nitrogen mouth 2 of safe gas import and purges nitrogen inlet 5-A.

When system awaits orders, import a certain amount of nitrogen,, form barrier layer, avoid air directly to enter molecule and seal the downstream pipe network and when igniting, produce back draft because the proportion of nitrogen less than air, therefore floats over safety guard top by the nitrogen mouth.Before system igniting, thereby upstream line gas is impure to produce back draft by molecular sealer and upstream line being purged when avoiding system's igniting.Lighted by igniter when diffusing gas during igniting and reaching the flare tip top through the circuitous gas channel of S type.For the ease of cleaning, the bottom of molecular sealer 5 also is provided with sewage draining exit 5-B.

Flare tip 6 borders of present embodiment are distributed with some groups of (being generally the 4-8 group) adjacent igniter 8 and altar lamps 7 by fastening member.Altar lamp 7 bottoms and the pipeline connection that is provided with altar lamp gas inlet 7-A and altar lamp sewage draining exit 7-B.The structure of igniter 8 as shown in Figure 3, by constituting at interior Gas Pipe 8-1 and the aid distributing pipe 8-4 that is enclosed within outside it, the tube wall of Gas Pipe 8-1 and aid distributing pipe 8-4 has the fuel gas hole and the wind distributing hole of arranging according to certain rules respectively, the top of Gas Pipe 8-1 has the igniting elbow, bottom and the pipeline connection with igniting gas inlet 8-A, igniting purge gas inlet 8-B, igniting sewage draining exit 8-C.On the electrode suppor 8-2 under the aid distributing pipe 8-4 bottom igniting opening ignitor is housed, is fixed with umbrella flashing board 8-3 on the igniting opening.During igniting, coal gas mixes with air from air distribution tube wall wind distributing hole by combustion gas tube wall fuel gas hole, after being lighted by electrode, arrives top igniting elbow along igniter and forms linear burning things which may cause a fire disaster.Because igniter 8 outsides have aid distributing pipe 8-4 and the inner Gas Pipe 8-1 that has by rule arrangement fuel gas hole that arranges wind distributing hole by rule, after the combustion gas input, spray by the fuel gas hole on the Gas Pipe 8-1, air mixes from the ring-like space that wind distributing hole 8-4 enters between two pipes simultaneously, meets the spark after-combustion that high pressure excites.This igniter has guaranteed the adequacy of burning, thereby has avoided the generation of black smoke.Simultaneously, above-mentioned linear burning things which may cause a fire disaster replaces some burning things which may cause a fire disaster in the past, has increased the rigidity of burning things which may cause a fire disaster, has reduced the possibility that (strong wind, heavy rain) accident is extinguished under the bad weather greatly.Not only fool proof, and air-flow is steady, flame stabilization.

In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims

1. a gas safe diffuses burner, bottom comprising and top has gas feed of diffusing (1) respectively and diffuses the molecular sealer (5) of gas vent (9), described diffusing settled the flare tip (6) with igniter (8) on the gas vent (9), it is characterized in that: the gas feed (1) of diffusing of described molecular sealer (5) extends upward outlet built-in exhaust stack (3) up; The outlet of described built-in exhaust stack is covered with and is positioned at molecular sealer inner opening safety guard (4) down, forms to diffuse gas and arrived built-in exhaust stack outlet up, changeed down, again along the ring-like passage between molecular sealer inwall and safety guard up, finally the gas that diffuses by molecular sealer exports to the S type that the reaches flare tip gas channel that makes a circulation along the ring-like passage between safety guard and built-in exhaust stack then by import; Gas feed (1) one side of diffusing of described molecular sealer (5) has safe gas import (2).

2. gas safe according to claim 1 diffuses burner, it is characterized in that: the bottom of described molecular sealer (5) also has purge gas inlet (5-A).

3. gas safe according to claim 1 and 2 diffuses burner, it is characterized in that: the Gas Pipe (8-1) of described igniter (8) is outer to be with aid distributing pipe (8-4), has fuel gas hole and the wind distributing hole arranged by the dot matrix rule on described Gas Pipe (8-1) and the aid distributing pipe (8-4) respectively.

4. gas safe according to claim 3 diffuses burner, it is characterized in that: Gas Pipe (8-1) top of described igniter (8) has the igniting elbow, the bottom of described Gas Pipe (8-1) and the pipeline connection with igniting gas inlet (8-A), igniting purge gas inlet (8-B), igniting sewage draining exit (8-C).

5. gas safe according to claim 4 diffuses burner, it is characterized in that: described altar lamp (7) bottom and the pipeline connection that is provided with altar lamp gas inlet (7-A) and altar lamp sewage draining exit (7-B).

6. gas safe according to claim 5 diffuses burner, it is characterized in that: igniter (8) and altar lamp (7) that described flare tip (6) border distribution 4-8 group is adjacent.

7. gas safe according to claim 6 diffuses burner, it is characterized in that: on the electrode suppor (8-2) under described aid distributing pipe (8-4) the bottom igniting opening ignitor is housed, is fixed with umbrella flashing board (8-3) on the igniting opening.

8. gas safe according to claim 7 diffuses burner, it is characterized in that: the bottom of described molecular sealer (5) also is provided with sewage draining exit (5-B).