CN217928748U

CN217928748U - Useless combustor nozzle of handling of danger

Info

Publication number: CN217928748U
Application number: CN202123399247.XU
Authority: CN
Inventors: 于广辉; 郭荣勋; 孔攀红; 姜晓娟; 杨红旭
Original assignee: Henan Huijin Intelligent Equipment Co ltd
Current assignee: Henan Huijin Intelligent Equipment Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-29
Anticipated expiration: 2031-12-31

Abstract

A nozzle of a hazardous waste treatment burner comprises a central shaft, a cyclone, a pulverized coal pipe, an outer shaft pipe and an outer air pipe which are arranged in sequence from inside to outside; an ignition hole is arranged in the central shaft, and at least one hazardous waste treatment hole is arranged in the central shaft and surrounds the ignition hole; the central shaft is fixedly arranged in the through hole of the cyclone, a cyclone air channel is arranged between the cyclone and the pulverized coal pipe, a pulverized coal channel is arranged between the pulverized coal pipe and the outer shaft pipe, and an axial flow air channel is arranged between the outer shaft pipe and the outer air pipe. Compared with the prior art, the utility model discloses a nozzle includes a plurality of the useless treatment hole of danger is connected the useless treatment pipe of danger can handle the danger wastes material of forms such as solid, liquid and gas. The nozzle is provided with a rotational flow air duct and an axial flow air duct, so that pulverized coal can be better combusted, and the waste hazardous substances are treated. The telescopic joint corresponding to the rear pipeline is adjusted, so that the directions and the flow rates of the rotational flow air channel and the axial flow air channel can be adjusted.

Description

Useless combustor nozzle of handling of danger

Technical Field

The utility model belongs to danger waste disposal field, concretely relates to danger is useless handles combustor nozzle.

Background

Industrial waste hazardous materials including liquids, solids, gases, etc. need to be treated by a special waste hazardous burner. The existing waste dangerous combustor can only process one kind of waste matter generally, for example, the fixed waste dangerous combustor can only process the fixed waste dangerous matter. The liquid waste danger burner can only process liquid waste dangers. For plants with multiple forms of spent hazardous materials, multiple spent hazardous burners are required to process the material. And the air duct structure in the existing waste dangerous combustor is not enough for the flame adjusting capability of the combustor, and the requirement of the combustor for full combustion cannot be met.

Disclosure of Invention

The utility model provides a combustor nozzle is useless to danger.

The purpose of the utility model is realized with the following mode:

a nozzle of a hazardous waste treatment burner comprises a central shaft, a cyclone, a pulverized coal pipe, an outer shaft pipe and an outer air pipe which are arranged in sequence from inside to outside; an ignition hole is arranged in the central shaft, and at least one hazardous waste treatment hole is arranged in the central shaft and surrounds the ignition hole; the central shaft is fixedly arranged in the through hole of the cyclone, a cyclone air channel is arranged between the cyclone and the pulverized coal pipe, a pulverized coal channel is arranged between the pulverized coal pipe and the outer shaft pipe, and an axial flow air channel is arranged between the outer shaft pipe and the outer air pipe.

The outer surface of the cyclone is circumferentially provided with a plurality of spiral grooves; the cylindrical inner surface of the pulverized coal pipe and the outer surface of the swirler, which is provided with the spiral groove, form the spiral flow air channel; the cross-sectional area of the spiral groove gradually increases or decreases as the spiral groove extends toward the nozzle.

An outer shaft wind head with a cylindrical outer surface is arranged on the outer surface of the front end of the outer shaft tube, and air outlet grooves are uniformly distributed on the outer shaft wind head along the cylinder; the length direction of the air outlet groove is parallel to the axis of the outer shaft wind head; an axial flow air channel is formed between the circumferential inner surface of the outer air pipe and the outer surface of the outer shaft pipe.

The cross section of the air outlet groove is semicircular; the diameter of the semicircle of the cross section of the air outlet groove is smaller as the air outlet groove is closer to the front end of the air outlet groove.

Compared with the prior art, the utility model discloses a nozzle includes a plurality of the useless treatment hole of danger is connected the useless treatment tube of danger can handle the danger wastes material of forms such as solid, liquid and gas. The nozzle is provided with a rotational flow air channel and an axial flow air channel, so that pulverized coal can be better combusted, and the waste hazardous substances are treated. The telescopic joint corresponding to the rear pipeline is adjusted, so that the directions and the flow rates of the rotational flow air channel and the axial flow air channel can be adjusted.

Drawings

Fig. 1 is an overall schematic view of a combustor.

FIG. 2 is a schematic view of a nozzle portion.

Figure 3 is a schematic view of a cyclone.

Fig. 4 is a schematic view of an outer shaft tuyere.

FIG. 5 is an enlarged view of the combustor aft section.

Wherein, 2 is a nozzle, 20 is a central shaft, 200 is an ignition hole, 201 is a hazardous waste treatment hole, 21 is a swirler, 210 is a spiral groove, 22 is a pulverized coal pipe, 23 is an outer shaft pipe, 24 is an outer air pipe, 230 is an outer shaft air head, and 231 is an air outlet groove; 4 is a rear duct, 40 is an ignition duct, 41 is a hazardous waste disposal duct, 42 is a central duct, 43 is a first air duct, 44 is a pulverized coal duct, 45 is a second air duct, 46 is a main air supply duct. 47 the coal powder inlet, 48 is a linear telescopic mechanism, 49 is a telescopic joint.

Detailed Description

In the present invention, unless otherwise explicitly specified and limited, technical terms used in the present application shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains. The terms "connected", "fixed", "arranged" and the like are to be understood in a broad sense, and can be fixedly connected, detachably connected or integrated; can be directly connected or indirectly connected through an intermediate medium; either mechanically or electrically. Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, a first feature may be "on" or "over" or "above" a second feature, and the like, may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature "under" or "beneath" a second feature may be directly under or obliquely under the first feature or may simply mean that the first feature is at a lesser level than the second feature. Relational terms such as first, second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Terms used in the description such as "center", "lateral", "longitudinal", "length", "width", "thickness", "height", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated.

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. As shown in fig. 1-5, a nozzle 2 of a hazardous waste disposal burner comprises a central shaft 20, a swirler 21, a pulverized coal pipe 22, an outer shaft pipe 23 and an outer air pipe 24 which are arranged in sequence from inside to outside; an ignition hole 200 is arranged in the central shaft 20, and at least one hazardous waste treatment hole 201 is arranged in the central shaft 20 and surrounds the ignition hole 200; the central shaft 20 is fixedly arranged in a through hole of the cyclone 21, a cyclone air channel is formed between the cyclone 21 and the coal powder pipe 22, a coal powder channel is formed between the coal powder pipe 22 and the outer shaft pipe 23, and an axial flow air channel is formed between the outer shaft pipe 23 and the outer air pipe 24. The ignition hole 200 is communicated with the ignition channel at the back, and the ignition channel can be ignited by an ignition oil gun or an electric igniter. Ignition methods and structures are known in the art and will not be described in detail. There is no gap between the outer surface of the central shaft 20 and the swirler 21 and they may be welded together.

A plurality of spiral grooves 210 are arranged on the outer surface of the swirler 21 along the circumference; the cylindrical inner surface of the pulverized coal pipe 22 and the outer surface of the cyclone 21 provided with the spiral groove 210 form the cyclone air duct; the cross-sectional area of the spiral groove 210 is gradually reduced as the spiral groove 210 extends toward the nozzle 2. The direction and the flow of the air outlet of the cyclone air duct can be adjusted by moving any one of the pulverized coal pipe 22 and the cyclone 21.

An outer shaft air head 230 with a cylindrical outer surface is arranged on the outer surface of the front end of the outer shaft tube 23, and air outlet grooves 231 are uniformly distributed on the outer shaft air head 230 along the cylinder; the length direction of the air outlet groove 231 is parallel to the axis of the outer shaft tuyere 230; an axial flow air channel is formed between the circumferential inner surface of the outer air pipe 24 and the outer surface of the outer shaft pipe 23.

The cross section of the air outlet groove 231 is semicircular; the diameter of the semicircle of the cross section of the air outlet groove 231 is smaller as it is closer to the front end of the air outlet groove 231. The flow of the axial flow air channel can be adjusted by any movement between the outer shaft tube 23 and the outer air tube 24.

As shown in fig. 1-5, the multi-channel hazardous waste treatment burner comprises a nozzle 2 and a rear pipe 4 connected with the nozzle 2, and is characterized in that: the nozzle 2 comprises a central shaft 20, a swirler 21, a pulverized coal pipe 22, an outer shaft pipe 23 and an outer air pipe 24 which are arranged in sequence from inside to outside; an ignition channel is arranged in the central shaft 20, and at least one hazardous waste treatment hole 201 is formed in the central shaft 20 and surrounds the ignition channel; the central shaft 20 is fixedly arranged in a through hole of the cyclone 21, a cyclone air channel is arranged between the cyclone 21 and the pulverized coal pipe 22, a pulverized coal channel is arranged between the pulverized coal pipe 22 and the outer shaft pipe 23, and an axial flow air channel is arranged between the outer shaft pipe 23 and the outer air pipe 24; an ignition pipeline 40 communicated with the ignition hole 200 and a hazardous waste treatment pipeline corresponding to the hazardous waste treatment hole 201 are fixedly arranged at the rear end of the central shaft 20; the rear end of the cyclone 21 is connected with a central pipeline 42; the rear end of the pulverized coal pipe 22 is connected with a first air pipeline 43, and the rear end of the outer shaft pipe 23 is connected with a pulverized coal pipeline 44; the rear end of the outer air pipe 24 is connected with a second air pipeline 45.

The rear pipeline 4 further comprises a main air supply pipeline 46 communicated with a compressed air source, and a first air supply pipeline and a second air supply pipeline which are respectively communicated with the first air pipeline 43 and the second air pipeline 45 are arranged on the main air supply pipeline 46; the rear end of the coal powder pipeline 44 is communicated with a coal powder inlet 47.

An expansion joint 49 driven by a linear driving mechanism to expand and contract is arranged between the central pipeline 42 and the first air pipeline 43; an expansion joint 49 driven by a linear driving mechanism to expand and contract is arranged between the second air pipeline 45 and the pulverized coal pipeline 44; the main air supply duct 46 is provided with a telescopic joint 49. The linear retracting mechanism 48 may be an elevator.

The central shaft 20 and the hazardous waste treatment pipeline and the ignition pipeline 40 are welded. The swirler 21, the pulverized coal pipe 22, the outer shaft pipe 23, the outer air pipe 24 and the respective rear pipelines 4 are connected through flanges.

An outer shaft air head 230 with a cylindrical outer surface is arranged on the outer surface of the front end of the outer shaft tube 23, and air outlet grooves 231 are uniformly distributed on the outer shaft air head 230 along the cylinder; the length direction of the air outlet groove 231 is parallel to the axis of the outer shaft tuyere 230; an axial flow air channel is formed between the circumferential inner surface of the outer air pipe 24 and the outer surface of the outer shaft pipe 23; the cross section of the air outlet groove 231 is semicircular; the diameter of the semicircle of the cross section of the air outlet groove 231 is smaller as it is closer to the front end of the air outlet groove 231. In a specific embodiment, there may be 4 hazardous waste disposal holes 201. And (4) waste the hazardous substances with solid or liquid or gas according to the requirements.

In the specific implementation: drying and grinding the fixed waste and dangerous objects into powder, and blowing the powder into a waste and dangerous treatment pipeline 41 for solids through a fan; useless danger liquid is blown into liquid through pump pressurization atomizing after and is used useless danger treatment pipeline 41, gaseous direct letting in is gaseous with useless danger treatment pipeline 41. The specific waste danger treatment channel is communicated with solid, liquid or gas, and is determined according to actual needs and the mechanism for connecting the waste danger treatment pipeline 41 at the rear part. And igniting the fire in the ignition pipeline 40 to ignite the pulverized coal to burn the waste dangerous substances. The rotational flow air duct is used for diffusing the waste dangerous substances and the coal powder; the axial flow air duct is used for gathering flame. The direction and flow rate of the rotational flow air channel and the axial flow air channel can be adjusted by adjusting the telescopic joint 49 corresponding to the rear pipeline 4.

The utility model discloses a nozzle 2 is including a plurality of the useless treatment hole 201 of danger is connected the useless treatment tube of danger can handle the danger wastes material of forms such as solid, liquid and gas. The nozzle 2 is provided with a rotational flow air duct and an axial flow air duct, so that pulverized coal can be better combusted, and the waste hazardous substances are treated. The direction and flow rate of the rotational flow air channel and the axial flow air channel can be adjusted by adjusting the telescopic joint 49 corresponding to the rear pipeline 4.

The features of the embodiments described above may be arbitrarily combined, and the combination of the features is not contradictory, and should be considered as a range described in the present specification. Without departing from the overall concept of the present invention, the technical solution of the present invention and equivalent replacements or changes, and a plurality of changes and improvements made, should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a combustor nozzle is useless in danger which characterized in that: the nozzle comprises a central shaft, a cyclone, a pulverized coal pipe, an outer shaft pipe and an outer air pipe which are arranged in sequence from inside to outside; an ignition hole is arranged in the central shaft, and at least one hazardous waste treatment hole is arranged in the central shaft and surrounds the ignition hole; the central shaft is fixedly arranged in the through hole of the cyclone, a cyclone air channel is arranged between the cyclone and the pulverized coal pipe, a pulverized coal channel is arranged between the pulverized coal pipe and the outer shaft pipe, and an axial flow air channel is arranged between the outer shaft pipe and the outer air pipe.

2. The hazardous waste treatment burner nozzle of claim 1, wherein: the outer surface of the cyclone is circumferentially provided with a plurality of spiral grooves; the cylindrical inner surface of the pulverized coal pipe and the outer surface of the swirler, which is provided with the spiral groove, form the spiral flow air channel; the cross-sectional area of the spiral groove gradually increases or decreases as the spiral groove extends in the direction of the nozzle.

3. The hazardous waste treatment burner nozzle of claim 1, wherein: an outer shaft wind head with a cylindrical outer surface is arranged on the outer surface of the front end of the outer shaft tube, and air outlet grooves are uniformly distributed on the outer shaft wind head along the cylinder; the length direction of the air outlet groove is parallel to the axis of the outer shaft wind head; and an axial flow air channel is formed between the circumferential inner surface of the outer air pipe and the outer surface of the outer shaft pipe.

4. The hazardous waste treatment burner nozzle of claim 3, wherein: the cross section of the air outlet groove is semicircular; the diameter of the semicircle of the cross section of the air outlet groove is smaller closer to the front end of the air outlet groove.