CN209371276U - Low-BTU gas igniter head - Google Patents

Abstract

The utility model relates to field of combustion equipment, disclose a kind of low-BTU gas igniter head, including coal gas air entraining pipe, it further include gas-guide tube, gas-guide tube is connected to coal gas air entraining pipe, and the top of gas-guide tube is communicated with igniting cylinder, and igniting inner barrel is hollow and top is in communication with the outside, Elevator electric arc is equipped in ignition pot body to occur pole, to be additionally provided with catalytic reaction chamber in ignition pot body.The utility model low-BTU gas igniter head, ignition success rate is high, can directly light the low-BTU gas of importing, and exhaust gas is made to discharge meet the requirement of environmental protection.

Description

Low-BTU gas igniter head

Technical field

The utility model relates to field of combustion equipment, and in particular to a kind of low-BTU gas igniter head.

Background technique

After low-BTU gas refers to fuel gas completely burned, flue gas is cooled to initial temperature, vapor therein It is still discharged with the state of steam, such fuel gas is known as low-BTU gas.The low-BTU gas of China is resourceful, however It is considered as " exhaust gas " all the time largely to discharge in vain, not only pollutes environment, but also waste of energy, also brings a series of societies Problem: 1) low-BTU gas is inflammable and explosive, and various accidents emerge one after another, and brings huge casualties and property loss；2) low Methane in calorific value gas is a kind of strong greenhouse gas, and greenhouse effects are 21 times of carbon dioxide, these gases are largely discharged into greatly Gas will lead to climate warming, influence global environment；3) landfill gas, in biogas there are also poisonous and harmful substances such as many hydrogen sulfide, ammonia, There is certain injury to human body.

However, these low-BTU gas are a kind of green, clear energy sources again, if be used, it will generate " a stone three The benefit of bird ": increase renewable energy supply, improve production safety, protect the global environment.

Blast furnace gas and coal gas of converter are that the low-BTU gas generated in ironmaking and steelmaking process is led if can not utilize Cause excess production capacity, it is necessary to idle discharge is put, therefore for environmental protection, it is general using industrial torch burning but a large amount of due to wherein containing Noxious material must prevent leakage in use process.

Coal gas of converter calorific value about need to be using small torch with the mode of burning, conventional ignition system in 1800 kilocalories or so, release Small torch is lighted using coke-stove gas, liquefied gas, natural gas etc. as unified, then coal gas of converter is lighted by small torch, while needing small Torch needs a large amount of high heat value gas companion to burn for a long time with burning.It, can not be straight with general igniter since coal gas of converter calorific value is not high Contact fires coal gas of converter, and the structure of current straight point type ignition burning device is mainly to be equipped with Elevator electric arc in ignition pot to send out Raw device, air entraining pipe import gas direct-fire burning, but when the gas fuel value of importing is lower, are not easy to light, and burning is not filled Point, influence ignition success rate.

Utility model content

The purpose of this utility model provides a kind of low-BTU gas igniter head aiming at the deficiency of above-mentioned technology, igniting Success rate is high, can directly light the low-BTU gas of importing, and exhaust gas is made to discharge meet the requirement of environmental protection.

To achieve the above object, low-BTU gas igniter head designed by the utility model, including coal gas air entraining pipe, are also wrapped Gas-guide tube is included, the gas-guide tube is connected to the coal gas air entraining pipe, and the top of the gas-guide tube is communicated with igniting cylinder, the point Fiery inner barrel is hollow and top is in communication with the outside, and Elevator electric arc is equipped in the ignition pot body, pole, the ignition pot occurs It is additionally provided with catalytic reaction chamber in vivo.

Preferably, the lower end nozzle of the gas-guide tube is equipped with damper regulator, to adjust air mass flow, and then adjusts coal Gas mix with air after oxygen content, keep low heat value gas burning more abundant.

Preferably, it is equipped with catalyst carrier in the catalytic reaction chamber, is covered with catalyst in the catalyst carrier, institute Stating catalyst carrier is porous ceramic catalyst carrier, increases the surface area of catalyst, improves catalytic effect.

Preferably, metal tube is arranged in the catalytic reaction chamber, the catalyst carrier is mounted in the metal tube, The contact area of mixed gas and catalyst is increased, catalytic effect is improved.

Preferably, pole occurs for the Elevator electric arc by insulating support support fixation, and the insulating support is fixed on institute It states on gas-guide tube, prevents Elevator electric arc from pole electric leakage occurs, influence ignition success rate.

The utility model compared with prior art, has the advantage that

1, by catalytic reaction chamber, the activity of CO, hydrocarbon gas in mixed gas is improved, its burning, point are promoted Fire has higher success rate, and burns more abundant, and exhaust gas is made to discharge meet the requirement of environmental protection；

2, coal gas is made with the oxygen mix in air, to make it into igniting cylinder by Elevator electric arc in advance by gas-guide tube When pole combustion occurs, ignition success rate is higher, burns more abundant；

3, by damper regulator, the oxygen content in mixed gas is adjusted, keeps burning more abundant.

4, structure is simple, and effect is good, and at low cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model low-BTU gas igniter head.

Each part numbers are as follows in figure:

Pole 4, catalytic reaction chamber 5, air door adjusting occur for coal gas air entraining pipe 1, gas-guide tube 2, igniting cylinder 3, Elevator electric arc Device 6, insulating support 7.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

As shown in Figure 1, the utility model low-BTU gas igniter head, including coal gas air entraining pipe 1, further include gas-guide tube 2, leads Tracheae 2 is connected to coal gas air entraining pipe 1, and the top of gas-guide tube 2 is communicated with igniting cylinder 3, adjusts air mass flow, is lighted a fire in cylinder 3 Portion is hollow and top is in communication with the outside, and is equipped with Elevator electric arc in igniting cylinder 3 and pole 4 occurs, and is additionally provided with catalysis in cylinder 3 of lighting a fire Reaction chamber 5.

As shown in Figure 1, the lower end nozzle of gas-guide tube 2 is equipped with damper regulator 6, to adjust air mass flow, and then adjust Coal gas mix with air after oxygen content, keep low heat value gas burning more abundant.

In the present embodiment, it is equipped with catalyst carrier in catalytic reaction chamber 5, is covered with catalyst in catalyst carrier, is catalyzed Agent carrier is porous ceramic catalyst carrier, is arranged with metal tube in catalytic reaction chamber 5, catalyst carrier is mounted on metal tube It is interior, the surface area of catalyst is increased, the contact area of mixed gas and catalyst is increased, improves catalytic effect.

It is fixed in addition, pole 4 occurs for Elevator electric arc by the support of insulating support 7, in the present embodiment, insulating support 7 is stone English insulating support, insulating support 7 are fixed on gas-guide tube 2, are prevented Elevator electric arc from pole 4 occurs and are leaked electricity, influence ignition success rate.

The catalyst that catalyst carrier covers in the present embodiment is precious metals and the rare earth coating such as one layer of platinum, rhodium, palladium, In use, coal gas is mixed with air by coal gas air entraining pipe 1 into gas-guide tube 2, subsequently into igniting cylinder 3, in Elevator electricity Arc occurs to light under the action of pole 4, becomes the gas of high temperature by catalytic reaction chamber 5, the catalyst of catalytic reaction chamber 5 will enhance The activity of CO, hydrocarbon gas in gas promotes it to carry out certain oxidation-reduction chemical reaction, and wherein CO is in high temperature Under be oxidized into colourless, nontoxic carbon dioxide gas, hydrocarbon is oxidized to water and carbon dioxide, You Haiqi at high temperature Body becomes innocuous gas, and industrial waste gas is made to be purified.

The utility model low-BTU gas igniter head improves CO, hydrocarbon in mixed gas by catalytic reaction chamber 5 The activity of gas promotes its burning, and ignition success rate is higher, burns more abundant, and exhaust gas is made to discharge meet the requirement of environmental protection；And pass through Gas-guide tube 2 makes coal gas with the oxygen mix in air, make it into igniting cylinder 3 in advance and be lighted by Elevator electric arc generation pole 4 When, ignition success rate is higher, burns more abundant；Additionally by damper regulator 6, the oxygen content in mixed gas is adjusted, oxygen is made Change-reduction, which chemically reacts, sufficiently to be carried out, and keeps burning more abundant, and the utility model structure is simple, and effect is good, and at low cost, Convenient for promoting and using.

Claims (5)

1. a kind of low-BTU gas igniter head, including coal gas air entraining pipe (1), it is characterised in that: it further include gas-guide tube (2), it is described Gas-guide tube (2) is connected to the coal gas air entraining pipe (1), and the top of the gas-guide tube (2) is communicated with igniting cylinder (3), the point Fiery cylinder (3) inner hollow and top is in communication with the outside is equipped with Elevator electric arc in the igniting cylinder (3) and pole (4) occurs, institute It states in igniting cylinder (3) and is additionally provided with catalytic reaction chamber (5).

2. low-BTU gas igniter head according to claim 1, it is characterised in that: the lower end nozzle of the gas-guide tube (2) is set There are damper regulator (6).

3. low-BTU gas igniter head according to claim 1 or claim 2, it is characterised in that: be equipped in the catalytic reaction chamber (5) Catalyst carrier, catalyst is covered in the catalyst carrier, and the catalyst carrier is porous ceramic catalyst carrier.

4. low-BTU gas igniter head according to claim 3, it is characterised in that: be arranged in the catalytic reaction chamber (5) Metal tube, the catalyst carrier are mounted in the metal tube.

5. low-BTU gas igniter head according to claim 4, it is characterised in that: it is logical that pole (4) occur for the Elevator electric arc It crosses insulating support (7) support to fix, the insulating support (7) is fixed on the gas-guide tube (2).