WO2018107333A1

WO2018107333A1 - Ejection type torch ever-burning lamp structure

Info

Publication number: WO2018107333A1
Application number: PCT/CN2016/109523
Authority: WO
Inventors: 张诗明; 胡秀文; 甘镜荣; 刘稼瑾
Original assignee: 深圳智慧能源技术有限公司
Priority date: 2016-12-12
Filing date: 2016-12-12
Publication date: 2018-06-21

Abstract

An ejection type torch ever-burning lamp structure comprises an ejection mixing tube (10), a flame stabilization burner (12), and a nozzle (14). The ejection mixing tube (10) is provided with an air inlet (18) and an air outlet (20). The flame stabilization burner (12) is disposed at the air outlet (20), and a ring of ejection holes (32) are disposed on one end of the ejection mixing tube (10) close to the air inlet (18), so as to eject air. The nozzle (14) is inserted into the ejection mixing tube (10) through the air inlet (18), and is detachably and fixedly connected to the ejection mixing tube (10). An outlet of the nozzle (14) is higher than the lowest end of the ejection holes (32).

Description

Ejector torch long light structure

Technical field

[0001] The present invention relates to a combustion structure, and more particularly to an ejector flare light structure.

Background technique

[0002] At present, the exhaust gas generated during the oil and gas recovery process is more difficult to recycle, and is now discharged to the high-altitude flare or ground torch for burning. The high-altitude torch and the ground torch ignited the long-lighting lamp, and the exhaust gas is exhausted and ignited by the long-lighting lamp.

[0003] Chinese utility model patent CN202938301U proposes a nozzle structure of a long-light lamp, in which a nozzle and a venturi ejector tube take up air and mix in a mixed expansion tube. The structure absorbs the air by the energy of the fuel itself, and the ratio of the fuel gas to the air reaches the premixed combustion ratio, so that the long lamp reaches the use requirement. However, this structure has the problem that the venturi ejector tube of the long-light lamp and the cone tube of the mixed expansion pipe section are not easy to be processed, and the long-lighting lamp ensures sufficient ejector amount, the flow path of the venturi ejector tube is not blocked, and the nozzle of the long-light lamp is difficult to be processed. Fixed on the venturi section, the nozzle and the venturi tube of the long light need to be separately fixed. In addition, after installation, the long-light of this structure needs to adjust the distance from the nozzle to the throat of the venturi. After adjusting the distance, the nozzle needs to be locked to prevent the position from changing, and the installation is cumbersome.

technical problem

In view of the above, the present invention provides an ejector flare light structure to solve at least one of the problems set forth above.

[0005] The present invention also provides an illuminating flare long lamp structure that is easy to install.

Problem solution

Technical solution

[0006] The present invention provides an ejector flare long lamp structure, including an ejector mixing tube, a steady flame burner, and a nozzle, the ejector mixing tube having an air inlet and an air outlet, the flame burner being disposed at The air outlet, the ejector mixing tube is provided with a ring of lead-out holes near the inlet end for igniting air, and the nozzle is inserted into the bow-and-eye mixing tube through the air inlet The detachable fixed connection is coupled to the bow and the mixing tube, and the outlet of the nozzle is higher than the lowest end of the bow I perforation. In one embodiment, the nozzle includes an integrally formed nozzle base, a flow tube extending from the nozzle base, a nozzle head extending from the flow tube, and a flow formed through the nozzle The long lamp structure includes a flange, the flange has a recess, and the center of the dimple is provided with a through hole, and the nozzle base is fitted and fixed in the dimple and makes the intake of the flow path The end is in communication with the through hole.

In one embodiment, the nozzle includes an integrally formed nozzle base, a flow tube extending from the nozzle base, a nozzle head extending from the flow tube, and a flow formed through the nozzle The outer diameter of the nozzle base is larger than the outer diameter of the flow path tube such that the upper end of the nozzle base forms a stop, and the stop abuts against the bottom end surface of the bowing and mixing tube, The outer wall surface of the flow path tube is in contact with the inner wall surface of the bow-and-eye mixing tube.

[0009] In some embodiments, the bottom of the ejector mixing tube is provided with a plurality of fixing holes, the plurality of fixing holes are evenly arranged along the circumferential direction of the ejector mixing tube, and the outer wall of the flow channel tube is arranged a threaded blind hole corresponding to the fixing hole, through which the bolt is fixed by the bolt and the threaded blind hole.

[0010] In some embodiments, the upper end face of the flow tube has a lower height than the lowest end of the exit hole.

[ooii] In some embodiments, the upper end face of the flow tube has a higher height than the lowest end of the bow.

[0012] In an embodiment, the ejector hole is a waist hole, and a length direction of the waist hole is parallel to an axial direction of the ejector mixing tube.

[0013] An ejector flare light structure comprising an ejector mixing tube, a steady flame burner and a nozzle, the ejector mixing tube having an air inlet and an air outlet, wherein the flaming burner is disposed at the outlet a nozzle, the ejector mixing tube is provided with a ring of ejector holes near the inlet end for igniting air, and the nozzle is inserted into the bow and I mixing tube through the air inlet, the nozzle The outer wall surface is in contact with the inner wall surface of the ejector mixing tube.

[0014] In an embodiment, the ejector hole is a waist hole, and the waist hole is uniformly distributed along the circumferential direction of the ejector mixing tube.

The longitudinal direction of the waist hole is parallel to the axial direction of the ejector mixing tube, and the outlet of the nozzle is higher than the lowest end of the waist hole.

[0015] In an embodiment, the outer wall of the nozzle is provided with a step, the step abuts against the bottom end of the ejector mixing tube to define a depth at which the nozzle is inserted into the bow and the mixing tube .

Advantageous effects of the invention

Beneficial effect

[0016] In summary, in the long light structure proposed by the present invention, the ejector mixing nozzle and the nozzle are used to introduce the empty space. Gas. The ejector mixing tube has a straight tube with an air inlet waist hole on the side as a flow path for ejector mixing, and air is taken in from the side waist hole of the straight tube, and the structure of the waist hole is ensured that sufficient air is introduced. Moreover, it can ensure sufficient structural strength, and the noise of the air suction in the waist hole is smaller than that of the round hole. The nozzle is inserted from the air inlet of the ejector mixing tube, and the ejector mixing tube and the nozzle are fixed by bolts. After the nozzle is replaced, the distance is not required to be adjusted, and the nozzle can be easily disassembled. The ejector mixing tube is manufactured as a straight tube, which reduces the processing cost and facilitates the installation.

DRAWINGS

1 is a schematic view showing the overall structure of a lamp structure of the present invention.

2 is a schematic view showing an embodiment of the ejector mixing tube and the nozzle fixed according to the present invention.

3 is a schematic view of another embodiment of the ejector mixing tube and nozzle fixed according to the present invention.

Embodiments of the invention

[0020] Before the embodiments are described in detail, it is understood that the invention is not limited to The invention may be embodied in other ways. Further, it should be understood that the phraseology and terminology used herein are for the purpose of description The words "including", "comprising", "having", and the like, are used in this context to include the items listed thereafter, their equivalents, and other additional items. In particular, when describing "a certain component", the present invention does not limit the number of the components to one, and may include a plurality.

[0021] As shown in FIG. 1, the present invention provides an ejector flare light structure comprising an ejector mixing tube 10, a stabilizing burner 12, a nozzle 14 and an ignition device 16. The ejector mixing tube 10 has an air inlet 18 and an air outlet 20, and the nozzle 14 is disposed at the air inlet 18 for inputting fuel gas for the long lamp, and the flame burner 12 is disposed at the air outlet 20, and has the functions of preventing wind and stabilizing flame. The ignition device 16 is fixedly mounted on the ejector mixing tube 10 to ignite the long lamp.

[0022] In order to enable the lamp to ignite the burner better, in the present embodiment, the ejector mixing tube 10 is bent at one end of the tube toward the side so that the flame-burning head 12 is close to its corresponding burner outlet. , thus facilitating the ignition operation.

[0023] It should be understood that in other embodiments, the mixing tube 10 is ejectored according to specific installation and design requirements. It is also possible to use no integral bending structure, and the present invention is not limited thereto.

[0024] The ignition device 16 includes an igniter holder 22, an igniter 24 and a thermocouple 26, the igniter holder 22 is fixed to the ejector mixing tube 10, and the igniter 24 and the thermocouple 26 are fixedly mounted to the igniter holder 22. on. The thermocouple 26 is electrically connected to the main control system of the burner, and the thermocouple 26 is used to detect the temperature of the steady flame burner 12 and feed back the measured temperature to the main control system. If the ignition is not successful, the thermocouple 26 No temperature is detected, or the detected temperature does not reach the preset value, and the main control system will quickly find it for processing. The fire extinguisher 24 is used to ignite the long light.

More specifically, in the illustrated embodiment, the igniter support 22 is a flange 22 that is fixed to the upper edge of the bent portion of the ejector mixing tube 10, and the flange 22 is The tube body portion of the ejector mixing tube 10 is vertical, and the igniter 24 and the thermocouple 26 are vertically fixed to the flange 22. The thermocouple 26 has an inductive end 28 disposed at a position adjacent to the stabilizing burner 12 to sense its temperature. The igniter 24 has an ignition nozzle 30 that faces the stabilizing burner 12, and the ignition nozzle 30 is steadily aligned. The outlet end of the flame burner 12 is ignited.

[0026] The ejector mixing tube 10 is uniformly provided with a plurality of ejector holes 32, for example, the waist holes 32, in the circumferential direction on the side wall of the end of the inlet port 18 for ejecting air. In the illustrated embodiment, the waist hole 32 has two opposite long sides, the ends of which are joined by curved edges, and the length of the waist hole 32 is parallel to the axial direction of the ejector mixing tube 10. The ejector mixing tube 10 has a straight tube having a waist hole 32 on its side as a flow path for ejector mixing, and air is drawn in from the side waist hole 32 of the straight tube, and the shape of the waist hole 32 is configured to ensure sufficient air is The introduction of the same can guarantee sufficient structural strength.

The nozzle 14 is disposed at the intake port 18 of the ejector mixing tube 10. As shown in Fig. 2, the nozzle 14 is inserted into the ejector mixing tube 10 via the intake port 18 and detachably fixedly coupled to the ejector mixing tube 10. The outer wall of the nozzle 14 is provided with a step 46 which abuts against the bottom end of the ejector mixing tube 10 to define the depth at which the nozzle 14 is inserted into the ejector mixing tube 10. The outer wall surface of the nozzle 14 is fitted to the inner wall surface of the ejector mixing tube 10, the height of the outlet of the nozzle 14 is higher than the lowest end of the waist hole 32, and the upper end surface of the side portion of the nozzle 14 is low in the axial direction of the bow mixing tube 10. At the lowest end of the waist hole 32.

[0028] In particular, the nozzle 14 includes an integrally formed nozzle base 34, a flow tube 36 extending from the nozzle base 34, and a nozzle head 38 extending from the flow tube 36, such as a tapered nozzle head 38. A flow passage 40 is formed in the nozzle 14 in the axial direction, wherein the flow passage 40 has an intake end 42 and an outlet end 44, and the diameter of the intake end 42 is larger than the diameter of the outlet end 44. [0029] The outer diameter of the nozzle base 34 is larger than the outer diameter of the flow path tube 36 such that the outer side of the top surface of the nozzle base 34 forms a stop 46, that is, the above-described step 46. The nozzle 14 is inserted into the inner side of the ejector mixing tube 10 from the air inlet 18, and the outer wall surface of the flow path tube 36 is fitted to the inner wall surface of the ejector mixing tube 10, and the stopper 46 abuts against the bottom end surface of the ejector mixing tube 10. The depth in which the nozzle 14 is inserted into the ejector mixing tube 10 is defined.

[0030] As shown in FIG. 3, FIG. 3 illustrates another embodiment in which the ejector mixing tube is coupled to the nozzle. In the present embodiment, the connection manner of the nozzle 14 and the ejector mixing tube 10 is the same as that of the embodiment shown in Fig. 2, except that the upper end surface of the side portion of the nozzle 14 is higher than the waist in the axial direction of the lance mixing tube 10. The lowest end of the hole 32. The upper end surface 48 of the choke tube 36 has a height in the axial direction higher than the lowest end of the lumbar hole 32. The advantage of this design is that when the long lamp is idle during rainy days or idle, it enters the ejector mixing tube 10. The liquid flows out of the waist hole 32 along the upper end surface 48 of the flow path tube 36 to prevent the formation of fluid from corroding the material such as the nozzle.

[0031] Referring also to FIGS. 2 and 3, the nozzle 14 is detachably fixed to the ejector mixing tube 10 by bolts.

The bottom of the ejector mixing tube 10 is provided with a plurality of fixing holes 50. In this embodiment, the fixing holes 50 are set to three, and may be set to other numbers in other embodiments. The three fixing holes 50 are uniformly arranged along the circumferential direction of the ejector mixing tube 10. The outer wall of the flow path tube 36 is provided with three thread blind holes 52 corresponding to the positions of the fixing holes 50, and the fixing holes 50 and the thread blind holes 52 are provided. The thread is internally disposed such that the bolt can be detachably fixed to the ejector mixing tube 10 by screwing with the fixing hole 50 and the thread blind hole 52.

[0032] It should be understood that in other embodiments, the nozzle 14 may be detachably fixed to the ejector mixing tube 10 by other fixing means, which is not limited by the present invention.

[0033] The lamp structure further includes a flange 54, such as an elliptical flange 54, and a flange 54 is coupled to the fuel gas supply conduit to introduce fuel gas into the nozzle 14, and the nozzle 14 is fixed to the flange 54. Specifically, the flange 54 has a recess 56. The central portion of the recess 56 is provided with a through hole 58. The nozzle base 34 is fitted and fixed in the recess 56, for example, welded into the recess 56, and the flow path 40 is made. The intake end 42 is in communication with the through bore 58 and the fuel gas enters the flow passage 40 of the nozzle 14 through the through bore 58.

[0034] The high pressure fuel gas converts the static pressure energy into kinetic energy through the nozzle 14, so that the flow rate of the fuel gas from the nozzle outlet, that is, the nozzle head 38, is increased, and the high velocity fuel gas forms a negative pressure at the nozzle head 38, and the air is mixed from the ejector. The waist hole 32 on the tube 10 is sucked in and mixed with the fuel gas in the ejector mixing tube 10. Since the negative pressure is formed at the outlet of the nozzle head 38, the present invention sets the height of the tip end surface of the nozzle head 38 to be higher than the lowest end of the waist hole 32, so that the maximum negative pressure can be used to ignite the air, making full use of Negative pressure ejector air Use, enhance the ejector effect. The concept of providing the waist hole 32 in the ejector mixing tube 10 not only prevents the formation of effusion, but also illuminates a sufficient amount of air to promote combustion.

[0035] In summary, in the structure of the lamp of the present invention, the air is injected by the combination of the ejector mixing tube and the nozzle. The ejector mixing tube has a straight tube with an air inlet waist hole on the side as a flow path for ejector mixing, and air is taken in from the side waist hole of the straight tube, and the structure of the waist hole is ensured that sufficient air is introduced. , and can ensure sufficient structural strength. The nozzle is inserted from the inlet of the ejector mixing tube, and the ejector mixing tube and the nozzle are fixed by bolts. After the nozzle is replaced, it is not necessary to adjust the distance, and it is easy to disassemble. The ejector mixing tube is manufactured as a straight tube, which reduces processing costs and is easy to install.

Further, although the ejector hole is shown as a waist hole, the ejector hole may have other shapes such as a circle or a square shape. In a preferred embodiment of the invention, the waist opening 32 ensures that sufficient air is introduced into the mixing tube while maintaining sufficient structural strength of the mixing tube. Moreover, the noise generated by the waist hole suction air 更 is smaller than that of the round hole.

[0037] The concepts described herein may be embodied in other forms without departing from the spirit and scope. The specific embodiments disclosed are to be considered as illustrative and not restrictive. Therefore, the scope of the invention is to be determined by the appended claims rather Any changes which come within the meaning and range of the claims are intended to be within the scope of the claims.

Claims

Claim

An ejector flare light lamp structure, comprising an ejector mixing tube, a steady flame burner and a nozzle, the ejector mixing tube having an air inlet and an air outlet, wherein the flame burner is disposed at the air outlet, The ejector mixing tube is provided with a ring of ejector holes near the inlet end for igniting air, and the nozzle is inserted into the bow and ray mixing tube through the air inlet port and The bowing I-mixing tube is detachably fixedly connected, and the outlet of the nozzle is higher than the lowest end of the bow I perforating.

The ejector flare light structure of claim 1 wherein said nozzle comprises an integrally formed nozzle base, a flow tube extending from said nozzle base, a nozzle head extending from said flow path tube, and The light-emitting structure formed in the nozzle includes a flange, the flange has a recess, a center of the recess is provided with a through hole, and the nozzle base is fitted and fixed in the recess And causing the intake end of the flow channel to communicate with the through hole.

The ejector flare light structure of claim 1 wherein said nozzle comprises an integrally formed nozzle base, a flow tube extending from said nozzle base, a nozzle head extending from said flow path tube, and Through the flow path formed in the nozzle, an outer diameter of the nozzle base is larger than an outer diameter of the flow path tube such that an upper end of the nozzle base forms a stop, and the stop abuts against the ejector The bottom end surface of the mixing tube, the outer wall surface of the flow path tube is in contact with the inner wall surface of the bow-and-eye mixing tube.

The ejector flare light structure according to any one of claims 2 to 3, wherein the bottom of the bowing and mixing tube is provided with a plurality of fixing holes, and the plurality of fixing holes are arranged along the bow I The circumferential direction is evenly arranged, and the outer wall of the flow channel tube is provided with a thread blind hole corresponding to the fixing hole, and the bolt passes through the fixing hole and the thread blind hole to fix the nozzle and the bowing and shooting mixing tube.

The ejector flare lamp structure according to any one of claims 2 to 3, characterized in that the upper end face height of the flow path pipe is lower than the lowest end of the ejector hole.

The ejector flare lamp structure according to any one of claims 2 to 3, wherein the upper end surface of the flow path tube has a height higher than a lowest end of the ejector hole. [Attachment 7] The ejector flare lamp structure according to claim 1, wherein the ejector hole is a waist hole, and a length direction of the waist hole and an axis of the mixing tube of the bow Parallel.

[Claim 8] The structure of an ejector flare lamp comprising an ejector mixing tube, a flame-burning burner and a nozzle, the ejector mixing tube having an air inlet and an air outlet, wherein the flame-burning burner is disposed at the The outlet port is characterized in that: the ejector mixing tube is provided with a ring of ejection holes near the inlet end for igniting air, and the nozzle is inserted into the ejector mixing tube through the inlet port The outer wall surface of the nozzle is in contact with the inner wall surface of the ejector mixing tube.

The ejector flare lamp structure according to claim 8, wherein the ejector hole is a waist hole, and the waist hole is uniformly distributed along a circumferential direction of the ejector mixing tube, The length direction of the waist hole is parallel to the axial direction of the ejector mixing tube, and the outlet of the nozzle is higher than the lowest end of the waist hole.

[Attachment 10] The ejector flare lamp structure according to claim 8, wherein the outer wall of the nozzle is provided with a step, and the step abuts against a bottom end of the ejector mixing tube to define The nozzle is inserted into the depth of the bow mixing tube.