CN211290100U

CN211290100U - Burner of reducing gas producer

Info

Publication number: CN211290100U
Application number: CN201922252912.9U
Authority: CN
Inventors: 单忠民; 范洪波; 邓李刚
Original assignee: Luoyang Xinpu Petrochemical Equipment Dev Co ltd
Current assignee: Luoyang Xinpu Petrochemical Equipment Dev Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-18
Anticipated expiration: 2029-12-16

Abstract

A reducing gas producer burner relates to a burner, which comprises a shell, an inner cylinder, a panel and an air swirler, wherein a clapboard is arranged on one side in the shell to divide the shell into a left area and a right area, the left area is a flow guide area, the right area is a radiation area, the inner cylinder is arranged in the flow guide area of the shell, a hole pipe is arranged between the shell and the inner cylinder, at least one circle of through holes which are arranged at intervals are arranged on the outer edge surface of the hole pipe along the circumferential direction, one end of the hole pipe is fixed on the clapboard, the other end of the hole pipe is fixed on the inner wall of the shell, the air swirler is fixed on the inner cylinder, a propulsion type ignition pilot burner, a gas spray gun and a closed type observation hole which are inserted into the inner cylinder are respectively arranged on the panel of the shell, and the front ends of the propulsion; the utility model discloses simple structure, equipment convenience, the combustor be high strength, short flame, the high-efficient mixed type combustor of vortex shape, can guarantee the long period steady operation of device, and thermal insulation performance is good.

Description

Burner of reducing gas producer

Technical Field

The utility model relates to a burner, in particular to a reducing gas producer burner.

Background

As is known, the sulfur tail gas desulfurization mostly adopts a Scott desulfurization process, a burner of a reducing gas generating furnace is used for manufacturing a reducing atmosphere, namely flame which is not completely combusted, at the moment, carbon monoxide, hydrogen and little free oxygen which are generated in a kiln exist, the sulfur recovery tail gas can be reduced and hydrolyzed into H2S, and the H2S is sent into a tail gas incinerator for incineration after absorption, regeneration, purification treatment; the requirement on the tolerance level of equipment is high because the reaction temperature of the combustion chamber is required to be completed at about 1700 ℃; therefore, it is a basic requirement of those skilled in the art to provide a reducing atmosphere for the incineration equipment of the downstream tail gas in the scott desulfurization device.

Disclosure of Invention

In order to overcome the defects in the background technology, the utility model discloses a reducing gas producer burner.

In order to realize the purpose, the utility model adopts the following technical scheme:

a burner of reducing gas generator is composed of casing, internal tube, panel and air cyclone, and features that a partition is arranged at one side of internal casing to divide the casing into left and right regions, the left region is guide region and the right region is radiation region, the internal tube is arranged in guide region of casing, the external end of internal tube is fixed to the panel outside casing, a perforated tube is arranged between casing and internal tube, at least one ring of through holes is arranged at intervals along circumference of perforated tube, one end of perforated tube is fixed to partition, another end is fixed to internal wall of casing, the air cyclone is fixed to internal tube, the refractory liner is arranged on the right side of partition, the ultraviolet flame detector A, ultraviolet flame detector B and steam spray gun are installed to casing, and the push-type ignition pilot lamp inserted in internal tube, The front ends of the push-type ignition pilot burner and the gas spray gun are respectively arranged in the mounting holes in the middle of the partition plate.

The inner cylinder, the perforated pipe and the shell of the reducing gas producer burner are arranged concentrically.

The reducing gas producer burner comprises a fire-resistant lining and a heat-insulating layer, wherein the fire-resistant lining comprises a heat-insulating layer and a fire-resistant layer, the heat-insulating layer is a heavy corundum lining with the specific gravity of 3.1, the heat-insulating layer is a high aluminum material with the specific gravity of 1.4, and the fire-resistant layer is in a throat shape.

The reducing gas producer burner is characterized in that a plurality of air rotational flow sheets are uniformly distributed in the radial direction of the air rotational flow device.

The reducing gas producer burner is characterized in that the gas spray gun is arranged in an annular pipe structure, and the front end of the gas spray gun is provided with a flame stabilizing cover.

The reducing gas generating furnace burner is characterized in that a sealing filler is arranged at the mounting position of a steam spray gun and a shell, a plurality of spray holes with inclination angles are uniformly distributed at the steam spray head, so that the high-speed sprayed steam and flame of the burner realize opposed combustion, and the steam spray gun and a steam pipeline are connected with the reducing gas generating furnace burner by adopting a flexible metal hose.

The reducing gas generating furnace burner is provided with a combustion-supporting air inlet outside the upper end of the shell.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

1. reducing gas generator burner, through setting up the hole pipe, the air gets into the hole pipe from combustion air entry, radial equipartition has the through-hole on the hole pipe, can equally divide combustion air and strengthen the air-fuel mixture, evenly distributed back is getting into the combustor burning mixed region through air swirler, does not strike flame, optimizes the mixed effect, the burning is strong, complete, flame turbulence is big, can effectively reduce the excess air coefficient, improves combustion efficiency.

2. The utility model discloses a refractory lining adopt refractory layer to add insulating layer structure, the combustion chamber reaction temperature requirement is accomplished under about 1700 ℃ of the condition, the refractory layer has adopted the heavy corundum lining that the proportion is 3.1, high velocity air erodees, acid corrosion, H2S corrodes and the thermal shock, and pour into the larynx form, can strengthen gas and air mixing, gas and air mix at the larynx, spout into the combustion chamber from the larynx while rotatory, form vortex form expansion flame, because the air current expands to all around, just produce a negative pressure region in the center, attract the gas that the low reaches were not fully combusted to return to flow flame central region and further burn, form a cyclic reciprocating combustion process, can reach fine combustion effect; the heat insulation layer is made of high-aluminum material with the specific gravity of 1.4, so that the temperature of the outer wall of the combustor can be effectively reduced, and the heat energy loss is reduced.

3. The utility model discloses simple structure, equipment convenience, the combustor be high strength, short flame, the high-efficient mixed type combustor of vortex shape, can guarantee the long period steady operation of device, and thermal insulation performance is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the hole tube of the present invention;

FIG. 4 is a schematic structural view of the air swirler of the present invention;

in the figure: 1. a combustion air inlet; 2. an inner barrel; 3. a push-on ignition incandescent lamp; 4. a refractory lining; 5. a gas spray gun; 6. an ultraviolet flame detector A; 7. a steam spray gun; 8. a housing; 9. a perforated pipe; 10. an air swirler; 11. a panel; 12. a closed type observation hole; 13. an ultraviolet flame detector B; 14. a partition plate; 15. a through hole; 16. an air swirl plate.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

The reducing gas producer burner described in conjunction with fig. 1-4 comprises a shell 8, an inner cylinder 2, a panel 11 and an air swirler 10, wherein a partition plate 14 is arranged on one side inside the shell 8 to divide the shell 8 into a left area and a right area, the left area is a flow guide area, and the right area is a radiation area; an inner cylinder 2 is arranged at a diversion area of a shell 8, the outer end of the inner cylinder 2 is fixedly connected with a panel 11 outside the shell 8, a hole pipe 9 is arranged between the shell 8 and the inner cylinder 2, at least one circle of through holes 15 arranged at intervals are arranged on the outer edge surface of the hole pipe 9 along the circumferential direction, one end of the hole pipe 9 is fixed on a partition plate 14, the other end of the hole pipe 9 is fixed on the inner wall of the shell 8, an air swirler 10 is fixed on the inner cylinder 2, a fireproof lining 4 is arranged on the inner wall of the shell 8 at the right side of the partition plate 14, namely, the fireproof lining 4 is arranged on the inner wall of the shell 8 at the radiation area, an ultraviolet flame detector A6, an ultraviolet flame detector B13 and a steam spray gun 7 are respectively arranged on the shell 8 with the fireproof lining 4, a propelling type ignition pilot burner 3, a gas spray gun 5 and a closed type pilot hole 12 which are inserted into the inner, The front ends of the gas spray guns 5 are respectively arranged in the mounting holes in the middle of the partition plate 14.

The reducing gas generating furnace burner, the inner cylinder 2, the perforated pipe 9 and the shell 8 are arranged concentrically.

The reducing gas producer burner is characterized in that the refractory lining 4 comprises a heat insulation layer and a fire-resistant layer which are arranged from outside to inside, the fire-resistant layer adopts a heavy corundum lining with the specific gravity of 3.1, the heat insulation layer adopts a high aluminum material with the specific gravity of 1.4, and the fire-resistant layer is arranged in a throat shape.

In the reducing gas producer burner, a plurality of air swirling sheets 16 are uniformly distributed in the radial direction of the air swirler 10.

The reducing gas producer burner is characterized in that the gas spray gun 5 is arranged in an annular pipe structure, and the front end of the gas spray gun 5 is provided with a flame stabilizing cover.

The reducing gas generating furnace burner is characterized in that a sealing filler is arranged at the installation position of a steam spray gun 7 and a shell 8, a plurality of spray holes with inclination angles are uniformly distributed at a steam spray head, so that the high-speed sprayed steam and flame of the burner realize opposed combustion, and the steam spray gun and a steam pipeline are connected with the reducing gas generating furnace burner by adopting a flexible metal hose.

The reducing gas generating furnace burner is provided with a combustion-supporting air inlet 1 outside the upper end of a shell 8.

When the reducing gas producer burner of the utility model is used, the burner of the utility model takes the fuel medium as the burning medium, the air is evenly distributed from the combustion-supporting air inlet 1 through the through hole 15 on the hole pipe 9 and then enters the burner burning mixing area through the air swirler 10, the flame retardant coating is poured into a throat shape, the mixing of gas and air can be strengthened, the gas and the air are sprayed into the combustion chamber from the throat opening while rotating after being mixed at the throat opening to form vortex-shaped expanded flame, because the airflow expands towards the periphery, a negative pressure area is generated in the center to attract the downstream incompletely combusted gas to flow back to the flame center area for further combustion, a circular reciprocating combustion process is formed, a good combustion effect can be achieved, the designed pressure of the shell 8 is 0.05-0.35 MPa, and the mechanical strength of the shell is guaranteed to bear the internal explosion pressure; the gas spray gun 5 adopts a ring pipe structure, the front end of the gas spray gun is provided with a flame stabilizing cover, and the flame stabilizing cover has multiple spray hole stages, small spray hole diameter and large spray angle, can strengthen the mixing of gas and air to eliminate carbon deposition, and can avoid the tempering under the low-load working condition, thereby improving the regulation ratio range and the combustion efficiency; the steam spray gun 7 is independently arranged at the outer side of the combustor shell 8, in order to ensure that positive pressure has no leakage, a packing sealing structure is adopted at the installation position, a plurality of uniformly distributed spray holes with inclination angles are formed at the steam spray head, so that high-speed sprayed steam and flame of a combustor are combusted in an opposite impact manner, and in addition, the steam spray gun and a steam pipeline are connected by adopting a flexible metal hose for convenient installation; the propulsion type ignition pilot burner 3 has a high-efficiency windproof effect, normal combustion is kept at a high wind speed to serve as on-duty flame to play a role in continuously igniting flame, and the pilot burner is used for igniting a gas spray gun, so that the ignition safety is improved, the stability of main flame is improved, and the operation safety is ensured; the two ultraviolet flame detectors are equipped to monitor the flame on duty in real time, an output signal is a one-out-of-two judgment signal, the flame signal can be uploaded to a DCS system to be put into a safety chain, a two-position valve on a fuel pipeline can be automatically closed in a chain mode when the flame is flamed out accidentally, fuel supply is cut off, the safety of the whole device system is ensured, a closed type observation hole 12 is configured and used for observing the flame combustion condition during field manual control, a ball valve is arranged at the front end of the observation hole, the ball valve is opened during observation, the ball valve is closed after observation, the safety protection effect is achieved, an instrument air cooling port is arranged simultaneously, and instrument cooling air is blown in continuously to ensure the safety of observation.

The part of the utility model not detailed is prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and the utility model.

Claims

1. The reducing gas producer burner comprises a shell, an inner cylinder, a panel and an air swirler, and is characterized in that: a baffle plate is arranged at one side in the shell to divide the shell into a left area and a right area, the left area is a flow guide area, the right area is a radiation area, the inner cylinder is arranged in the flow guide area of the shell, the outer end of the inner cylinder is fixedly connected with a panel outside the shell, a hole pipe is arranged between the shell and the inner cylinder, at least one circle of through holes arranged at intervals are arranged on the outer edge surface of the hole pipe along the circumferential direction, one end of the hole pipe is fixed on the partition board, the other end of the hole pipe is fixed on the inner wall of the shell, an air swirler is fixed on the inner cylinder, a fire-resistant lining is arranged on the inner wall of the shell on the right side of the clapboard, an ultraviolet flame detector A, an ultraviolet flame detector B and a steam spray gun are respectively arranged on the shell with the fire-resistant lining, the panel of the shell is respectively provided with a propulsion type ignition pilot burner, a gas spray gun and a closed type observation hole which are inserted into the inner cylinder, and the front ends of the propulsion type ignition pilot burner and the gas spray gun are respectively arranged in the mounting holes in the middle of the partition plate.

2. The reducing gas producer burner of claim 1, wherein: the inner cylinder, the hole pipe and the shell are arranged concentrically.

3. The reducing gas producer burner of claim 1, wherein: the refractory lining comprises a thermal insulation layer and a refractory layer which are arranged from outside to inside, the refractory layer adopts a heavy corundum lining with the specific gravity of 3.1, the thermal insulation layer adopts a high aluminum material with the specific gravity of 1.4, and the refractory layer is arranged in a throat shape.

4. The reducing gas producer burner of claim 1, wherein: a plurality of air rotational flow sheets are uniformly distributed on the radial direction of the air rotational flow device.

5. The reducing gas producer burner of claim 1, wherein: the gas spray gun is arranged in an annular pipe structure, and the front end of the gas spray gun is provided with a flame stabilizing cover.

6. The reducing gas producer burner of claim 1, wherein: the installation position of the steam spray gun and the shell is provided with a sealing filler, a plurality of spray holes with inclination angles are uniformly distributed at the steam spray head, so that the high-speed sprayed steam and flame of a burner realize opposed combustion, and the steam spray gun and a steam pipeline are connected with the burner of the reducing gas generation furnace by adopting a flexible metal hose.

7. The reducing gas producer burner of claim 1, wherein: and a combustion-supporting air inlet is arranged outside the upper end of the shell.