Safety protective cover for combustor

By designing a protective cover and heat dissipation mechanism on the burner, and using a fan and universal tube to accelerate the cooling of the combustion chamber, the problem of slow heat dissipation of the burner is solved, and the efficiency and safety of the burner are improved.

CN223954158UActive Publication Date: 2026-02-27SHANGHAI WEIJIN THERMAL ENERGY EQUIP CO LTD
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Patent Information

Application Number
CN202520618296.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-27
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

The existing burner's protective casing has poor heat dissipation, resulting in excessively long cooling time for the combustion casing and affecting the efficiency of maintenance personnel.

Method used

Design a safety shield for burners that includes a protective cover, a heat dissipation mechanism, and a sealing mechanism. The shield utilizes a fan, a universal tube, and an annular heat sink to accelerate the cooling of the combustion chamber, and sends hot air into the burner inlet through the universal tube to preheat the air and improve combustion efficiency.

Benefits of technology

It shortens the cooling time of the combustion chamber, improves the combustion efficiency of the burner, reduces the waiting time for staff, prevents the risk of burns, and maintains stable fan performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223954158U_ABST
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Abstract

The utility model relates to a safety protective cover for a combustor, which belongs to the technical field of combustors and comprises a protective cover body and a heat dissipation mechanism arranged in the protective cover body, a combustion cylinder of the combustor is mounted in the protective cover body, and plugging mechanisms are arranged between the protective cover body and two ends of the combustion cylinder. By matching with air exhaust of the universal pipe, air blowing heat dissipation can be conducted on the surface of the combustion cylinder, the temperature of the combustion cylinder is reduced, hot air formed after heat exchange can be fed into an air inlet of the combustor through the universal pipe to preheat air entering the combustor, and the combustion efficiency of the combustor is improved; and the annular cooling fins and the concave holes can increase the heat exchange area with air in the protective cover body, so that the heat dissipation efficiency is improved, the cooling time of the combustion cylinder is shortened, and the waiting time for workers to maintain the combustion cylinder is shortened.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of combustor, specifically relates to a safety shield for combustor. BACKGROUND

[0002] Combustor, is the fuel and air in the way spouts mixed combustion device collectively. Combustor according to type and application field divides industrial combustor, combustion machine, civilian combustor, special combustor several. The function of combustor is through flame combustion and makes sample atomization. The test solution atomized enters combustor, under the action of flame temperature and flame atmosphere, passes through drying, melting, evaporation, dissociation etc. Process, produces a large number of ground state atoms, and part excited state atoms, ions and molecules.

[0003] The patent of announcement number CN218820371 U discloses "a gas combustor with protective structure, including combustor, combustor is connected with combustion cylinder through flange seat, can replace support plate, place filter hole on filter screen and block, cause ventilation not smooth, influence use effect, replace convenient, save time and labour, in addition, the inner wall of protective cylinder is set up as multilayer structure, through the setting of heat insulation layer, heat absorption layer, heat dissipation layer, effectively carry out heat insulation, prevent staff from touching combustion cylinder and cause scald, simultaneously improve the anti-aging ability of combustion cylinder, prolong the service life, through the setting of flange seat, the installation and dismounting of combustion cylinder are convenient, are favorable to the maintenance and maintenance of later period, improve economic benefit, be suitable for promotion and use".

[0004] Although the combustor can be cooled by the heat dissipation fin and other mechanisms in the protective cylinder through the above-mentioned prior art, it is not easy to be scalded when the staff touches the combustor, but the effect of cooling the combustor by the heat dissipation fin and the heat dissipation hole in the protective cylinder is poor, so that the natural cooling time of the combustor is relatively long, and the staff needs to wait for a long time when the combustor needs to be overhauled, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a safety shield for combustor to solve the above-mentioned problem.

[0006] The utility model discloses a safety shield for combustor to solve the above-mentioned problem.

[0007] A safety shield for combustor, including the protection cover body and the heat dissipation mechanism that sets up in the protection cover body, the combustion cylinder of combustor is installed in the protection cover body, the plugging mechanism is equipped between the protection cover body and the both ends of combustion cylinder, the heat dissipation mechanism includes the air intake pipe fixed in the inner wall of protection cover body, the fan for sending air to the protection cover body and is fixedly installed in the air intake pipe, and the universal pipe for sending the hot air in the protection cover body into the air inlet of combustor is fixed in the inner wall of protection cover body;

[0008] The outer side wall of the combustion cylinder is fixed with a plurality of annular heat sinks inside the protective cover body, and a plurality of recessed holes are formed on both sides of the annular heat sinks for increasing the air contact area of the annular heat sinks with the air inside the protective cover body.

[0009] As a further optimization scheme of the utility model, the plugging mechanism includes first and second annular sealing plates fixed at both ends of the protective cover body, and the first and second annular sealing plates are fixedly connected to the outer walls of both ends of the combustion cylinder.

[0010] As a further optimization scheme of the utility model, a plurality of heat insulation rods are fixed between the outer side wall of the combustion cylinder and the inner wall of the protective cover body.

[0011] As a further optimization scheme of the utility model, a fixed ring is fixed to one end of the air inlet pipe away from the protective cover body, and a plurality of brush hairs are fixed to the inner side of the fixed ring for cleaning the rotated spherical filter screen.

[0012] As a further optimization scheme of the utility model, a fixed ring is fixed to one end of the air inlet pipe away from the protective cover body, and a plurality of brush hairs are fixed to the inner side of the fixed ring for cleaning the rotated spherical filter screen.

[0013] As a further optimization scheme of the utility model, a fixed ring is fixed to one end of the air inlet pipe away from the protective cover body, and a plurality of brush hairs are fixed to the inner side of the fixed ring for cleaning the rotated spherical filter screen.

[0014] The utility model has the advantages that:

[0015] 1. The fan blows air into the protective cover body, and the air is discharged through the universal pipe, so that the surface of the combustion cylinder is blown and cooled, the temperature of the combustion cylinder is reduced, the hot air formed after heat exchange is sent into the air inlet of the burner through the universal pipe, the air entering the burner is preheated, the combustion efficiency of the burner is improved, the annular heat sink and the recessed hole increase the heat exchange area with the air in the protective cover body, the heat dissipation efficiency is improved, the cooling time of the combustion cylinder is shortened, and the waiting time of the staff during the maintenance of the combustion cylinder is reduced.

[0016] 2. The protective cover body can cover the combustion cylinder, and the heat dissipation mechanism can cool the combustion cylinder, so that the staff's hands are not easy to directly touch the combustion cylinder and be scalded, the spherical filter screen can block dust and other foreign matters in the air entering the air inlet pipe, the dust is not easy to adhere to the fan blades due to suction after the fan runs for a long time, the wind power and performance of the fan are reduced, and when the fan is turned off, the brush hairs can quickly clean the rotated spherical filter screen, which is convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic view of the utility model;

[0018] Figure 2 is the internal structure connection schematic view of the protective cover body and the combustion cylinder of the utility model;

[0019] Figure 3 is the utility model Figure 2 A structure enlarged view;

[0020] Figure 4 is the utility model Figure 3 B structure enlarged view.

[0021] In the figure: 1, protective cover body; 11, first annular sealing plate; 12, second annular sealing plate; 13, heat insulation rod; 2, combustion cylinder; 3, air inlet pipe; 31, fan; 32, universal pipe; 33, air outlet; 4, annular cooling fin; 41, concave hole; 5, limiting ring; 51, spherical filter screen; 52, fixing ring; 53, brush. DETAILED DESCRIPTION

[0022] The following further describes the present application in detail with reference to the drawings. It is necessary to point out that the following detailed description is only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0023] EMBODIMENT

[0024] As Figures 1-4 shown, a safety protective cover for a burner includes a protective cover body 1 and a heat dissipation mechanism, and a combustion cylinder 2 of the burner is installed in the protective cover body 1. The protective cover body 1 can cover most of the area of the combustion cylinder 2, so that the hands of the workers are not easy to directly touch the combustion cylinder 2 and are not easy to be scalded.

[0025] As Figures 1-3 shown, a safety protective cover for a burner includes a protective cover body 1 and a heat dissipation mechanism, and a combustion cylinder 2 of the burner is installed in the protective cover body 1. The protective cover body 1 can cover most of the area of the combustion cylinder 2, so that the hands of the workers are not easy to directly touch the combustion cylinder 2 and are not easy to be scalded.

[0026] As Figures 1-3As shown, the outer wall of the combustion cylinder 2 and the inner wall of the protective cover 1 are fixed with a plurality of heat insulation rods 13, the first annular sealing plate 11, the second annular sealing plate 12 and the heat insulation rods 13 can be made of heat insulation or wood and other materials with poor heat conductivity, the heat insulation rods 13 can support the middle part of the protective cover 1, thereby improving the connecting strength between the protective cover 1 and the combustion cylinder 2.

[0027] As shown in the drawings, Figures 1-3 The heat dissipation mechanism is arranged in the protective cover 1, the heat dissipation mechanism comprises an air inlet pipe 3 fixedly arranged on the inner wall of the protective cover 1, a fan 31 fixedly installed in the air inlet pipe 3 and used for sending air into the protective cover 1, and a universal pipe 32 fixedly arranged on the inner wall of the protective cover 1 and used for sending hot air in the protective cover 1 into the air inlet of the burner, the air inlet pipe 3 can be arranged at the top, bottom or side of the protective cover 1.

[0028] An air outlet 33 is fixedly arranged at the end of the universal pipe 32 away from the protective cover 1, the air outlet 33 can guide the hot air discharged from the universal pipe 32, so that the hot air can enter the air inlet of the burner, the universal pipe 32 can be an existing universal bamboo joint pipe, which has a certain strength and can be bent and deformed, so as to adjust the air outlet direction and position of the air outlet 33.

[0029] When the fan 31 operates, air can be sent into the protective cover 1 through the air inlet pipe 3, the air entering the protective cover 1 can exchange heat with the outer surface of the combustion cylinder 2, so as to dissipate heat and cool the combustion cylinder 2, at the same time, the air after heat exchange can form hot air, which is discharged into the air inlet of the burner through the universal pipe 32 and the air outlet 33, so as to preheat the air entering the burner and improve the combustion efficiency of the burner.

[0030] As shown in the drawings, Figures 1-3 The outer wall of the combustion cylinder 2 is fixedly provided with a plurality of annular heat dissipation fins 4 inside the protective cover 1, a plurality of recessed holes 41 are arranged on both sides of the annular heat dissipation fins 4, which are used to increase the contact area of the annular heat dissipation fins 4 and the air in the protective cover 1, the annular heat dissipation fins 4 can increase the heat exchange area of the combustion cylinder 2 and the air entering the protective cover 1, the recessed holes 41 can increase the heat exchange area of the annular heat dissipation fins 4 and the air entering the protective cover 1, thereby improving the heat dissipation efficiency and shortening the cooling time of the combustion cylinder 2.

[0031] As shown in the drawings, Figures 2-4 A limiting ring 5 is fixedly arranged in the air inlet of the air inlet pipe 3, a spherical filter screen 51 is rotatably arranged in the limiting ring 5, the spherical filter screen 51 is hollow, and the middle part of the spherical filter screen 51 is located in the limiting ring 5, so that the spherical filter screen 51 can rotate freely in the limiting ring 5 without falling off, the spherical filter screen 51 can block dust and other foreign matters in the air entering the air inlet pipe 3, so that the dust in the external environment is not easy to adhere to the fan blades and accumulate for a long time due to the suction of the fan 31, thereby reducing the air flow and performance of the fan 31.

[0032] As Figures 2-4 shown, the end of the air inlet pipe 3 away from the protective cover 1 is fixedly provided with a fixed ring 52, and a plurality of bristles 53 for cleaning the rotating spherical filter screen 51 are fixedly arranged on the inner side of the fixed ring 52. The fixed ring 52 can be connected between the air inlet pipe 3 and the bristles 53, the bristles 53 are annularly distributed in the fixed ring 52, one end of the bristles 53 is inserted into the mesh of the spherical filter screen 51, and after the spherical filter screen 51 is rotated when the fan 31 is closed, the bristles 53 can quickly clean the rotated spherical filter screen 51. When the spherical filter screen 51 is cleaned, the surface of the spherical filter screen 51 is blown, and the dust and other foreign matters falling in the cleaning process can be blown into other areas.

[0033] It should be noted that, in use, first, the fan 31 is started, and after the fan 31 is started, air is sent into the protective cover 1 through the air inlet pipe 3. The air entering the protective cover 1 exchanges heat with the outer surface of the combustion cylinder 2, so as to cool and heat the combustion cylinder 2. The air after heat exchange forms hot air, and is discharged into the combustion cylinder through the universal pipe 32 and the air outlet 33, so as to preheat the air entering the combustion cylinder, and improve the combustion efficiency of the combustion cylinder.

[0034] The annular heat sink 4 can increase the heat exchange area of the combustion cylinder 2 and the air entering the protective cover 1, the concave hole 41 can increase the heat exchange area of the annular heat sink 4 and the air entering the protective cover 1, so as to improve the heat dissipation efficiency, shorten the cooling time of the combustion cylinder 2, and reduce the waiting time of the staff when the combustion cylinder 2 is overhauled.

[0035] The spherical filter screen 51 can block the dust and other foreign matters in the air entering the air inlet pipe 3 when the fan 31 is running, so that the dust in the external environment is not easy to adhere to the fan blade due to suction, so as to reduce the air volume and performance of the fan 31. After the spherical filter screen 51 is rotated when the fan 31 is closed, the bristles 53 can quickly clean the rotated spherical filter screen 51.

[0036] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A safety shield for a burner, comprising a shield body (1) and a heat dissipation mechanism disposed within the shield body (1), wherein a combustion cylinder (2) of a burner is installed within the shield body (1), characterized in that: A sealing mechanism is provided between the protective cover (1) and the combustion cylinder (2) at both ends. The heat dissipation mechanism includes an air inlet pipe (3) fixedly installed on the inner wall of the protective cover (1), a fan (31) fixedly installed in the air inlet pipe (3) and used to send air into the protective cover (1), and a universal pipe (32) fixedly installed on the inner wall of the protective cover (1) and used to send hot air from the protective cover (1) into the burner air inlet. The outer wall of the combustion cylinder (2) is fixed with several annular heat sinks (4) located inside the protective cover (1). Several recesses (41) are provided on both sides of the annular heat sinks (4) to increase the contact area between the annular heat sinks (4) and the air inside the protective cover (1).

2. A safety cover for a burner according to claim 1, characterized in that: The sealing mechanism includes a first annular sealing plate (11) and a second annular sealing plate (12) respectively fixed at both ends of the protective cover (1), and the first annular sealing plate (11) and the second annular sealing plate (12) are respectively fixedly connected to the outer walls of both ends of the combustion cylinder (2).

3. A safety cover for a burner according to claim 1, characterized in that: Several heat insulation rods (13) are fixedly installed between the outer wall of the combustion cylinder (2) and the inner wall of the protective cover (1).

4. A safety cover for a burner according to claim 1, characterized in that: The universal tube (32) is fixedly provided with an exhaust duct (33) at the end opposite to the protective cover (1).

5. A safety cover for a burner according to claim 1, characterized in that: A limiting ring (5) is fixedly provided inside the air inlet of the air inlet pipe (3), and a spherical filter screen (51) is rotatably provided inside the limiting ring (5).

6. A safety cover for a burner according to claim 5, characterized in that: The air inlet pipe (3) is fixedly provided with a fixing ring (52) at one end away from the protective cover (1), and a number of bristles (53) are fixedly provided on the inner side of the fixing ring (52) for cleaning the spherical filter screen (51) after rotation.