CN209857054U

CN209857054U - Burner of incinerator

Info

Publication number: CN209857054U
Application number: CN201920480822.2U
Authority: CN
Inventors: 张雷; 庞岩峰; 张海蓝; 刘广飞; 段文铮
Original assignee: Shaanxi Hongyuan Combustion Equipment Co Ltd
Current assignee: Shaanxi Hongyuan Combustion Equipment Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2019-12-27
Anticipated expiration: 2029-04-10

Abstract

A burner of an incinerator is provided, one end of a burner body is provided with a mounting flange, the other end of the burner body is provided with an end cover, the burner body is provided with an air inlet, a clean discharge port, a standby port and a second fire detection port in a penetrating mode, the air inlet is provided with a first PDI port, the standby port is provided with a purging air inlet, the burner body is internally provided with a fuel conduit, an incandescent lamp air conduit and a natural gas conduit, the fuel conduit is provided with a fuel inlet, the incandescent lamp air conduit is provided with an incandescent lamp air inlet, the closed end of the incandescent lamp air conduit is provided with an ignition gun inlet, the natural gas conduit is provided with a natural gas inlet, the end cover is provided with a first sight glass, a second sight glass and a first fire detection port, the first sight glass, the second sight glass, the first fire detection port and the second fire detection port are all provided with a purging air inlet, and the second sight glass is, the utility model discloses flame combustion is stable, full, combustion efficiency is high, can popularize and apply to coal combustion equipment technical field.

Description

Burner of incinerator

Technical Field

The utility model belongs to the technical field of heat energy combustion apparatus, concretely relates to incinerator burner.

Background

The incinerator burner comprises parts such as combustor body, automatic flexible ignition system, flame monitoring system, and the combustor body is diffusion formula (outer formula of mixing) combustor, mainly comprises nozzle main part, ignition mechanism, flame detection and PLC control system subassembly, and the nozzle main part is provided with fuel gas passageway and flame gun passageway. After the fuel gas and the primary air enter the hearth, the gases are mutually diffused and mixed, and after combustion, secondary air is fed in at a proper position of the hearth to form secondary combustion; the automatic ignition system consists of a pneumatic propulsion mechanism, a high-energy ignition gun, a high-voltage shielding cable, a high-energy igniter, a stop valve and a field control box; after the PLC control system sends out an instruction, firstly, a stop valve of a purging loop configured for the ignition loop is opened before ignition, and the nitrogen flow is adjusted as required to complete purging of the ignition loop. The purge circuit is then closed. When the system has an ignition condition, a stop valve on an igniter pipeline is opened, the pneumatic propelling mechanism is controlled by the field operation box to push the ignition gun into the main combustion chamber, and then fuel is ignited according to an ignition program. When the flame is observed through the flame detector and the flame observation hole and is considered to be stably combusted, the pneumatic propulsion mechanism is controlled by the field operation box to pull the ignition gun out of the main combustion chamber, then the stop valve is closed, and the primary ignition work is finished.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a reasonable in design, simple structure, flame combustion stability, fill degree good, combustion efficiency is high, easy and simple to handle safe incinerator burner.

The technical scheme for solving the technical problems is as follows: the burner comprises a burner body, a mounting flange is arranged at one end of the burner body, an end cover is arranged at the other end of the burner body, an air inlet is formed in the burner body in a penetrating mode and penetrates through the burner body, a first PDI port is formed in the air inlet, a clean discharge port is formed in one side, opposite to the air inlet, of the burner body, a standby port is formed in the burner body and is perpendicular to the center line of the air inlet, a purging air inlet is formed in the standby port, a fuel guide pipe is arranged in the burner body, an air cavity is formed between the burner body and the fuel guide pipe, the fuel guide pipe is communicated with the fuel inlet, a pilot lamp air guide pipe is arranged in the fuel guide pipe, a fuel cavity is formed between the fuel guide pipe and the pilot lamp air guide pipe, a pilot lamp air inlet is communicated with the pilot lamp air guide pipe, an, form the changming lamp air chamber between changming lamp air conduit and the natural gas pipe, the intercommunication is provided with the natural gas import on the natural gas pipe, be provided with first sight glass and second sight glass about combustor body central symmetry on the end cover, all be provided with the air intlet that sweeps on first sight glass and the second sight glass, be provided with the second PDI mouth on the second sight glass, be provided with first fire on the end cover and examine the mouth, be provided with the air intlet that sweeps on the first fire is examined the mouth, one side relative with reserve mouthful is provided with the second fire and examines the mouth on the combustor body, it sweeps the air intlet to be provided with on the second fire is examined the mouth.

The utility model discloses a vertical distance that burning torch import central point put apart from combustor body central point and is put is 60 ~ 80 mm.

The utility model discloses a horizontal distance that first sight glass and second sight glass central point put apart from combustor body central point and put is 600 ~ 800 mm.

The utility model discloses a processing of equipartition has 48 ~ 56 diameters to be 27 mm's mounting hole on the mounting flange, and processing of equipartition has 20 ~ 28 diameters to be 29 mm's mounting hole on the end cover.

The utility model discloses a central line of mouth is examined to first fire is 6 ~ 10 with the contained angle on the central line horizontal direction of combustor body.

The utility model discloses a first fire is examined and is provided with ultraviolet fire on mouthful, the second fire is examined and examines probe, flame signal cable, signal processor, stop valve, field control box.

The utility model discloses a all be provided with focusing lens, dustproof glass, stop valve on first sight glass and the second sight glass.

Compared with the prior art, the utility model has the following advantages:

1. the utility model discloses a second grade ignition setting ensures that the one-level ignition is successful back, and the side drops into the full flow fuel gas, and staged combustion, the nitric oxide emission is few, and in order to increase flame detecting system's reliability, the system adopts two sets of ultraviolet flame detectors and two flame observation holes to be the sight glass.

2. Because the fuel gas contains explosive components, the diffusion combustion reduces the potential safety hazard and ensures the safety of the combustor.

3. Each sleeve of the combustor adopts a flange type structure, and the installation, the overhaul and the maintenance are convenient.

4. The ignition gun adopts an automatic propelling mechanism, a stop valve is arranged on a channel, and the ignition gun is automatically closed after being withdrawn, so that the leakage of a medium from the channel is avoided.

5. The flame detection system can respectively detect the combustion flame of fuel gas or other specified combustion states by an automatic monitoring instrument and an artificial fire observation hole, namely a sight glass.

Drawings

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

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 1.

Fig. 4 is a top view of fig. 1.

In the figure: 1. a natural gas inlet; 2. an air inlet of the pilot burner; 3. a fuel inlet; 4. an air inlet; 5. a first PDI port; 6. a burner body; 7. installing a flange; 8. a discharge port; 9. a fuel conduit; 10. an incandescent light air duct; 11. a natural gas conduit; 12. a purge air inlet; 13. a spare port; 14. a second sight glass; 15. A second PDI port; 16. an end cap; 17. an ignition gun inlet; 18. a first sight glass; 19. a second fire detection port; 20. A first fire detection port.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples, but the present invention is not limited to these examples.

Example 1

In fig. 1, the utility model relates to an incinerator burner, 6 one end welded fastening of combustor body have mounting flange 7, and the equipartition processing has 52 diameters to be 27 mm's mounting hole on mounting flange 7, and mounting flange 7 is used for connecting outside spare part, and end cover 16 is installed with screw thread fastening connection spare fixed connection to the 6 other ends of combustor body, and the equipartition processing has 24 diameters to be 29 mm's mounting hole on the end cover 16 for be fixed in 6 one end of combustor body with the end cover. An air inlet 4 is fixedly connected on the burner body 6 in a penetrating way, a first PDI port 5 is fixedly connected on the air inlet 4, the first PDI port 5 is a reserved purging port and can be connected with purging gas, a clean discharging port 8 is fixedly connected on one side of the burner body 6 opposite to the air inlet 4 and is used for discharging sundries in the burner body 6, a spare port 13 is fixedly connected on the burner body 6 and is perpendicular to the central line of the air inlet 4, a purging air inlet 12 is fixedly connected on the spare port 13, a fuel conduit 9 is installed in the burner body 12, an air cavity is formed between the burner body 6 and the fuel conduit 9, a fuel inlet 3 is fixedly connected on the fuel conduit 9 in a communicating way, a Changming light air conduit 10 is installed in the fuel conduit 9, a fuel cavity is formed between the fuel conduit 9 and the Changming light air conduit 10, a Changming light air inlet 2 is fixedly connected on the Changming light air conduit 10 in a communicating way, the closed end of the air duct 10 of the pilot burner is provided with an ignition gun inlet 17, an ignition gun enters the cavity from the ignition gun inlet 17 for ignition, and the vertical distance from the central position of the ignition gun inlet 17 to the central position of the burner body 6 is 70 mm. The pilot lamp comprises a pilot lamp air conduit 10, a natural gas conduit 11, a pilot lamp air cavity formed between the pilot lamp air conduit 10 and the natural gas conduit 11, a natural gas inlet 1 communicated and fixedly mounted on the natural gas conduit 11, a first sight glass 18 and a second sight glass 14 are symmetrically mounted on an end cover 16 relative to the center of a burner body 6, the horizontal distance between the center positions of the first sight glass 18 and the second sight glass 14 of the embodiment and the center position of the burner body 6 is 700mm, a focusing lens, dustproof glass and a stop valve are mounted on the first sight glass 18 and the second sight glass 14, a purging air inlet 12 is mounted on the first sight glass and the second sight glass, a second PDI port 15 is mounted on the second sight glass, and the second PDI port 15 is a reserved purging port and can be connected with purging gas.

The end cover 16 is provided with a first fire detection port 20, the included angle between the central line of the first fire detection port 20 and the central line of the burner body 6 in the horizontal direction is 8 degrees, the included angle can be inclined by a certain angle to enable the fire detection port to face the flame center of the flame, the flame intensity of the flame center is high, the detection effect of the fire detection is favorably improved, the first fire detection port 20 is provided with a purging air inlet 12, one side of the burner body 6 opposite to the standby port 13 is provided with a second fire detection port 19, the second fire detection port 19 is provided with the purging air inlet 12, the first fire detection port 20 and the second fire detection port 19 are both provided with an ultraviolet fire detection probe, a flame signal cable, a signal processor, a stop valve and a field control box, the stop valve of a purging loop configured for the fire detection port loop is opened before ignition, purging flow is required to complete purging of the fire detection loop, and the purging is adjusted to the cooling flow required by the fire detection after purging is completed, before the system starts to ignite, a stop valve on a fire detection pipeline is opened to start detecting the flame combustion condition, the flame size and the combustion condition are observed through a field control box, and related conditions are transmitted to a signal processor, namely a PLC (programmable logic controller), so that ignition and flameout related control operations are controlled, manual observation can be carried out on the flame on the field through a fire detection port, and the fuel gas combustion flame or other specified combustion states can be respectively detected.

Example 2

In the above embodiment 1, 48 installation holes with a diameter of 27mm are uniformly formed in the installation flange 7, 20 installation holes with a diameter of 29mm are uniformly formed in the end cover 16, the vertical distance from the center position of the ignition gun inlet 17 to the center position of the burner body 6 is 60mm, the horizontal distance from the center positions of the first viewing mirror 18 and the second viewing mirror 14 to the center position of the burner body 6 is 600mm, the included angle between the center line of the first fire detection port 20 and the center line of the burner body 6 in the horizontal direction is 6 °, and the connection relationship between the rest parts and parts is completely the same as that in embodiment 1.

Example 3

In the above embodiment 1, 56 mounting holes with a diameter of 27mm are uniformly formed in the mounting flange 7, 28 mounting holes with a diameter of 29mm are uniformly formed in the end cover 16, the vertical distance from the center position of the ignition gun inlet 17 to the center position of the burner body 6 is 80mm, the horizontal distance from the center positions of the first viewing mirror 18 and the second viewing mirror 14 to the center position of the burner body 6 is 800mm, the included angle between the center line of the first fire detection port 20 and the center line of the burner body 6 in the horizontal direction is 10 °, and the connection relationship between the remaining components and the components is completely the same as that in embodiment 1.

Claims

1. An incinerator burner characterized in that: the burner comprises a burner body, a mounting flange is arranged at one end of the burner body, an end cover is arranged at the other end of the burner body, an air inlet is formed in the burner body in a penetrating mode and penetrates through the burner body, a first PDI port is formed in the air inlet, a clean discharge port is formed in one side, opposite to the air inlet, of the burner body, a standby port is formed in the burner body and is perpendicular to the center line of the air inlet, a purging air inlet is formed in the standby port, a fuel guide pipe is arranged in the burner body, an air cavity is formed between the burner body and the fuel guide pipe, the fuel guide pipe is communicated with the fuel inlet, a pilot lamp air guide pipe is arranged in the fuel guide pipe, a fuel cavity is formed between the fuel guide pipe and the pilot lamp air guide pipe, a pilot lamp air inlet is communicated with the pilot lamp air guide pipe, an, form the changming lamp air chamber between changming lamp air conduit and the natural gas pipe, the intercommunication is provided with the natural gas import on the natural gas pipe, be provided with first sight glass and second sight glass about combustor body central symmetry on the end cover, all be provided with the air intlet that sweeps on first sight glass and the second sight glass, be provided with the second PDI mouth on the second sight glass, be provided with first fire on the end cover and examine the mouth, be provided with the air intlet that sweeps on the first fire is examined the mouth, one side relative with reserve mouthful is provided with the second fire and examines the mouth on the combustor body, it sweeps the air intlet to be provided with on the second fire is examined the mouth.

2. The incinerator burner of claim 1, wherein: the vertical distance between the central position of the ignition gun inlet and the central position of the burner body is 60-80 mm.

3. The incinerator burner of claim 1, wherein: the horizontal distance between the central positions of the first sight glass and the second sight glass and the central position of the burner body is 600-800 mm.

4. The incinerator burner of claim 1, wherein: the mounting flange on the equipartition processing have 48 ~ 56 mounting holes that the diameter is 27mm, the end cover on the equipartition processing have 20 ~ 28 mounting holes that the diameter is 29 mm.

5. The incinerator burner of claim 1, wherein: the included angle between the central line of the first fire detection port and the central line of the burner body in the horizontal direction is 6-10 degrees.

6. The incinerator burner of claim 1, wherein: the first fire detection port and the second fire detection port are provided with an ultraviolet fire detection probe, a flame signal cable, a signal processor, a stop valve and a field control box.

7. The incinerator burner of claim 1, wherein: and the first sight glass and the second sight glass are both provided with a focusing lens, dustproof glass and a stop valve.