Incandescent light for superheated steam furnace

Abstract

The utility model provides an incandescent light for a superheated steam furnace, which comprises an incandescent light tube, a threaded sleeve is arranged on the outer side of one end of the incandescent light tube, an incandescent light nozzle is sleeved on the outer side of the threaded sleeve in a threaded manner, and an air inducing pipe is sleeved on the outer side of the other end of the incandescent light tube in a threaded manner. The outer sides of the incandescent light tube and the threaded sleeve are jointly and movably sleeved with a protection tube located between the incandescent light nozzle and the air inducing tube. According to the incandescent light for the superheated steam furnace, the second wind shield can be driven to rotate around the axial direction of the first wind shield through meshing transmission between gear meshing under driving of the motor, and at the moment, air inlet grooves in the first wind shield and the second wind shield are staggered; the size of the air inlet channel is changed, so that the flow of air flowing into the air inducing pipe can be adjusted, fuel gas and air conveyed into the air inducing pipe can be fully mixed, it is guaranteed that the fuel gas can be fully combusted in the incandescent light sprayer, and generated flames are large and good in stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to long lasting light technical field, specifically disclose a long lasting light for superheated steam furnace. BACKGROUND

[0002] Long lasting light is a light that burns (or is on) all the time. In the chemical industry, long lasting light is used to prevent the flame of the main and auxiliary burner from being extinguished and to quickly re-ignite the burner when the flame is extinguished. Long lasting light is mainly used in heating furnaces, reaction furnaces, waste gas combustion torches, etc.

[0003] The existing long lasting light installed on the burner of the superheated steam furnace cannot automatically adjust the air flow entering the inside of the long lasting light, so that the gas delivered to the inside of the long lasting light cannot be fully combusted, resulting in a small flame and poor stability of the long lasting light. Moreover, the long lasting light cannot determine the size of the flame, and once the air flow changes, the small flame is easily extinguished. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, the present application aims to provide a long lasting light for superheated steam furnace, which comprises a long lasting light tube, a threaded sleeve is arranged on the outer side of one end of the long lasting light tube, a long lasting light nozzle is threadedly sleeved on the outer side of the threaded sleeve, an air induction pipe is threadedly sleeved on the outer side of the other end of the long lasting light tube, a protective pipe is movably sleeved on the outer side of the long lasting light tube and the threaded sleeve and is located between the long lasting light nozzle and the air induction pipe, a fixing frame is arranged on the outer side of one end of the air induction pipe, a gas nozzle is threadedly sleeved on the outer side of the other end of the gas nozzle away from the air induction pipe, a driving mechanism is mounted on the inner side of the fixing frame, an inlet slot is formed in the end face of the protective pipe, an igniter and a thermocouple are fixedly sleeved in the threaded sleeve on the outer side of the long lasting light tube, a first wind shield is threadedly sleeved on the outer side of one end of the gas nozzle close to the air induction pipe, a second wind shield is movably sleeved on the outer side of the first wind shield, a clamping ring is clamped on the outer side of one end of the first wind shield extending out of the second wind shield, and inlet slots are formed in the first wind shield and the second wind shield in a ring shape and equidistantly distributed.

[0005] Preferably, the inner diameter of the air induction pipe close to one end of the gas nozzle is smaller than the inner diameter of the other end.

[0006] Preferably, a sealing gasket is attached to the side surface of the first wind shield on one side of the air induction pipe.

[0007] Preferably, the driving mechanism comprises a motor fixedly installed on the fixed frame and a driving shaft rotatably connected inside the fixed frame, a gear meshing with the outer edge of the second baffle is fixedly sleeved outside the driving shaft, a worm gear sleeve meshing with the outer edge of the worm gear is fixedly sleeved outside the end of the driving shaft extending outside the fixed frame, and a worm sleeve is fixedly sleeved outside the output shaft of the motor.

[0008] Preferably, the outer side of the first baffle is provided with a limiting column sleeved inside the second baffle, and the inner side of the second baffle is provided with a positioning groove matched with the limiting column.

[0009] The utility model discloses the following effects:

[0010] 1. The overheat steam stove long lasting lamp, through the drive of motor can drive the second baffle to rotate around the axial direction of first baffle through the meshing transmission between the meshing of gear, the air inlet groove on first baffle and second baffle produces dislocation at this time, and then through the size of air inlet channel can adjust the air flow size of the air flowing into the air guide pipe, so that the gas and air conveyed to the air guide pipe can be fully mixed, so as to ensure that the gas can be fully burned in the inside of long lasting lamp nozzle, and the flame produced is larger and has better stability.

[0011] 2. The overheat steam stove long lasting lamp, through thermocouple can carry out temperature detection to the flame produced in the inside of long lasting lamp nozzle, once detects that the temperature is lower than the set value, can determine that the flame of long lasting lamp is smaller, at this time, the control motor drives through increasing the air inlet channel between first baffle and second baffle to increase the air flow, if the flame temperature has not risen, at this time, the long lasting lamp increases the gas flow into the air inlet flange to ensure that the flame will not be extinguished. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other characteristics, objects and advantages of the present application will become more apparent from the following detailed description of non-restrictive embodiments, made with reference to the attached drawings:

[0013] Figure 1 It is a sectional view of the utility model structure;

[0014] Figure 2 It is a structure schematic view of the utility model;

[0015] Figure 3 It is Figure 1 It is an enlarged schematic view of structure in A;

[0016] Figure 4 It is Figure 1 It is an enlarged schematic view of structure in B;

[0017] Figure 5 It is Figure 2An enlarged schematic view of the structure at C.

[0018] In the figure: 1, long-lasting lamp tube; 2, threaded sleeve; 3, long-lasting lamp nozzle; 4, air inlet pipe; 5, protective tube; 6, fixing frame; 7, gas nozzle; 8, gas inlet flange; 9, driving mechanism; 91, motor; 92, driving shaft; 93, gear; 94, worm gear; 95, worm sleeve; 10, wire inlet slot; 11, igniter; 12, thermocouple; 13, first baffle; 14, second baffle; 15, snap ring; 16, air inlet slot; 17, sealing gasket; 18, limiting column; 19, positioning slot. DETAILED DESCRIPTION

[0019] The application will be further described below in conjunction with the accompanying drawings and examples. It can be understood that the specific examples described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings.

[0020] The different kinds of section lines in the drawings of the utility model embodiments are not marked according to the national standard, and the materials of the elements are not required, which are only to distinguish the section views of the elements in the drawings.

[0021] Please refer to Figures 1-5The utility model provides a kind of long lasting lamp for superheated steam furnace, including long lasting lamp tube 1, the outside of one end of long lasting lamp tube 1 is provided with threaded sleeve 2, the outside of threaded sleeve 2 is threadedly sleeved with long lasting lamp nozzle 3, the outside of the other end of long lasting lamp tube 1 is threadedly sleeved with air duct 4, the outside of long lasting lamp tube 1 and threaded sleeve 2 is commonly movable sleeve and is located between long lasting lamp nozzle 3 and air duct 4 Protective tube 5, the outside of one end of air duct 4 is provided with fixed frame 6, fixed frame 6 is threadedly sleeved with gas nozzle 7 in one end inside air duct 4, the outside of one end of air duct 4 away from gas nozzle 7 is threadedly sleeved with gas flange 8, and drive mechanism 9 is installed in the inside of fixed frame 6, the end surface of protective tube 5 is provided with wire inlet slot 10, and wire is inserted into the inside of protective tube 5 through wire inlet slot 10 and is connected with igniter 11 and thermocouple 12, and igniter 11 and thermocouple 12 can be protected through protective tube 5, igniter 11 and thermocouple 12 are fixedly sleeved in the outside of long lasting lamp tube 1 in the inside of threaded sleeve 2, and the long lasting lamp that goes out can be ignited through igniter 11, so that the gas conveyed to the inside of long lasting lamp nozzle 3 can be re-ignited, the outside of one end of air duct 4 close to gas nozzle 7 is threadedly sleeved with first baffle 13, the outside of first baffle 13 is movably sleeved with second baffle 14, and the outside of one end of first baffle 13 extending outside second baffle 14 is connected with snap ring 15, and second baffle 14 can be positioned through snap ring 15 while making second baffle 14 can rotate around the axial stability of first baffle 13 under the drive of motor 91, and first baffle 13 and second baffle 14 are all provided with annular equidistant distribution air inlet slot 16.

[0022] Wherein, the inner diameter of air duct 4 close to one end of gas nozzle 7 is less than the inner diameter of the other end, and the structure is adopted so that the gas sprayed from the inside of gas nozzle 7 can flow from one end to the other end of air duct 4, in this process, the airflow speed in the air duct 4 close to one end of gas nozzle 7 is faster, so that the pressure inside it is reduced, and in turn the outside air can enter the inside of air duct 4 through air inlet slot 16 and mix with the gas under the action of atmospheric pressure.

[0023] Wherein, the side of first baffle 13 is attached to sealing gasket 17 on one side of air duct 4, the distance between first baffle 13 and air duct 4 can be compensated through sealing gasket 17, and the gap between air duct 4 and first baffle 13 can be sealed, so that the outside air can flow into the inside of air duct 4 through air inlet slot 16.

[0024] The driving mechanism 9 comprises a motor 91 fixedly installed on the fixed frame 6 and a driving shaft 92 rotationally connected inside the fixed frame 6, the outer side of the driving shaft 92 is fixedly sleeved with a gear 93 engaged with the outer edge of the second baffle 14, the outer side of the end of the driving shaft 92 extending out of the fixed frame 6 is fixedly sleeved with a worm gear 94, the outer side of the output shaft of the motor 91 is fixedly sleeved with a worm sleeve 95 engaged with the outer edge of the worm gear 94, the cooperation of the worm gear 94 and the worm sleeve 95 enables the driving shaft 92 to rotate under the driving of the motor 91, and the second baffle 14 is driven to rotate around the axial direction of the first baffle 13 through the gear 93, at this time, the air inlet grooves 16 on the first baffle 13 and the second baffle 14 are dislocated, thereby adjusting the size of the air inlet channel.

[0025] The outer side of the first baffle 13 is provided with a limiting column 18 sleeved inside the second baffle 14, the inside of the second baffle 14 is provided with a positioning groove 19 matched with the limiting column 18, the cooperation of the limiting column 18 and the positioning groove 19 enables the second baffle 14 to be limited, so that the second baffle 14 can rotate around the axial direction of the first baffle 13 according to the set angle range under the driving of the motor 91, thereby effectively automatically adjusting the size of the air inlet channel.

[0026] When the eternal light works, the temperature of the flame formed by the combustion of the gas in the eternal light nozzle 3 is detected by the thermocouple 12, when the detected temperature is less than the set value, the motor 91 can be started, the driving shaft 92 is driven to rotate by the driving of the motor 91, and the second baffle 14 is driven to rotate around the axial direction of the first baffle 13 through the gear 93, at this time, the air inlet channel between the first baffle 13 and the second baffle 14 is increased, the air flow entering the air duct 4 from the outside is increased, the gas is mixed with the air, when the mixed gas is transported to the inside of the eternal light nozzle 3 for combustion, at this time, the flame becomes larger and the temperature rises, when the flame temperature is still less than the set value, the gas flow entering the air inlet flange 8 is increased, at this time, the gas flow and the air flow are both increased, the gas can be fully burned when it is transported to the inside of the eternal light nozzle 3, the temperature of the flame in the eternal light nozzle 3 rises, until the thermocouple 12 detects that the temperature of the flame reaches the set range, the motor 91 is turned off, the gas flow transported into the air inlet flange 8 is maintained, so as to ensure that the flame will not be extinguished, and to ensure that the eternal light is in the lighted state, the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] The above description is merely the preferred embodiments of the present application and the technical principles used. It should be understood by those skilled in the art that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combinations of the technical features described above, and should also cover other technical solutions formed by any combinations of the technical features described above or their equivalent features without departing from the concept of the utility model. For example, the technical solutions formed by replacing the above features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A burner for superheating steam, comprising a burner tube (1), characterized in that: The outer side of one end of the long-lasting lamp tube (1) is provided with a threaded sleeve (2), the outer side of the threaded sleeve (2) is threadedly sleeved with a long-lasting lamp nozzle (3), the outer side of the other end of the long-lasting lamp tube (1) is threadedly sleeved with an air guide pipe (4), the outer sides of the long-lasting lamp tube (1) and the threaded sleeve (2) are movably sleeved with a protective pipe (5) located between the long-lasting lamp nozzle (3) and the air guide pipe (4), the outer side of one end of the air guide pipe (4) is provided with a fixing frame (6), the inside of the fixing frame (6) is threadedly sleeved with a gas nozzle (7) located at the inner side of the air guide pipe (4), the outer side of the end of the gas nozzle (7) away from the air guide pipe (4) is threadedly sleeved with an air inlet flange (8), the inner side of the fixing frame (6) is provided with a driving mechanism (9), the end surface of the protective pipe (5) is provided with a wire inlet groove (10), the inside of the threaded sleeve (2) is fixedly sleeved with an igniter (11) and a thermocouple (12) located at the outer side of the long-lasting lamp tube (1), the outer side of one end of the gas nozzle (7) close to the air guide pipe (4) is threadedly sleeved with a first wind shield (13), the outer side of the first wind shield (13) is movably sleeved with a second wind shield (14), and the outer side of the end of the first wind shield (13) extending out of the second wind shield (14) is connected with a clamping ring (15), the first wind shield (13) and the second wind shield (14) are both provided with air inlet grooves (16) which are annularly and equidistantly distributed.

2. A burner for superheating steam as claimed in claim 1, characterized in that: The inner diameter of the air guide pipe (4) close to the gas nozzle (7) is smaller than that of the other end.

3. A burner for superheating steam as claimed in claim 1, wherein: The side surface of the first wind shield (13) is attached with a sealing gasket (17) located at one side of the air guide pipe (4).

4. A burner as claimed in claim 1, wherein: The driving mechanism (9) comprises a motor (91) fixedly installed on the fixing frame (6) and a driving shaft (92) rotationally connected in the inside of the fixing frame (6), the outer side of the driving shaft (92) is fixedly sleeved with a gear (93) engaged with the outer edge of the second wind shield (14), the outer side of the end of the driving shaft (92) extending out of the fixing frame (6) is fixedly sleeved with a worm gear (94), and the outer side of the output shaft of the motor (91) is fixedly sleeved with a worm sleeve (95) engaged with the outer edge of the worm gear (94).

5. A burner for superheating steam as claimed in claim 1, wherein: The outer side of the first wind shield (13) is provided with a limiting column (18) sleeved in the inside of the second wind shield (14), and the inside of the second wind shield (14) is provided with a positioning groove (19) matched with the limiting column (18).

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