Furnace arch device of combustion chamber of industrial boiler
By designing water-cooled wall surface, front arch, rear arch and fan in the industrial boiler ash chamber, forming a vortex zone, the problem of too short flue gas residence time is solved, the combustion temperature and efficiency are improved, and the practicality of the boiler is enhanced .
Patent Information
- Application Number
- CN202421172455.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The flue gas residence time after combustion of existing industrial boilers is too short, resulting in insufficient combustion temperature and affecting combustion efficiency.
An industrial boiler ember chamber furnace arch device is designed, including water-cooled wall surface, front arch, rear arch, flame port, hearth, water pipe and fan. The vortex zone is formed under the cooperation of these components through flue gas to increase the combustion temperature and efficiency.
By increasing the heat exchange between the flue gas and the water-cooled wall surface, the hearth and the fan, a vortex zone is formed, which improves the combustion temperature and efficiency and enhances the practicality of the boiler.
Smart Images

Figure CN222335426U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boilers, in particular to a furnace arch device for an industrial boiler combustion chamber. Background Art
[0002] The boiler arch is an important component of the boiler. Different fuels require corresponding boiler arch structures to establish a suitable combustion environment. The shape and size of the arch are the technical key that affects boiler combustion, coking and thermal efficiency.
[0003] During the use of existing industrial boilers, the time that the smoke after combustion stays in the combustion chamber is too short, the reaction time is short, and the combustion temperature cannot be reached, which is not conducive to improving the combustion efficiency of the boiler.
[0004] In summary, the utility model solves the existing problems by designing an industrial boiler combustion chamber arch device. Utility Model Content
[0005] The utility model aims to provide an industrial boiler ember chamber arch device to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] The invention discloses an industrial boiler combustion chamber grate arch device, comprising an outer frame body, a combustion chamber is arranged on the inner side of the outer frame body, water-cooled wall surfaces are fixedly mounted on both left and right ends of the inner wall of the combustion chamber, a front arch is fixedly mounted on one end of the water-cooled wall surface, and a rear arch is fixedly mounted on the other end of the water-cooled wall surface, flame ports are arranged on the base surfaces of the outer frame body and the combustion chamber, a furnace bed is fixedly mounted on the bottom end of the inner wall of the combustion chamber, a groove is arranged on the top end of the furnace bed, a vent is arranged on the left end of the outer frame body, a support frame is fixedly mounted on the side of the left end of the outer frame body close to the vent, and a storage tray is arranged on the bottom end of the inner wall of the combustion chamber.
[0008] As a preferred solution of the utility model, the outer frame body and the base surface of the combustion chamber are both provided with output ports on a side away from the flame port.
[0009] As a preferred solution of the utility model, a mounting frame is fixedly installed on the top of the inner wall of the combustion chamber, a water pipe is fixedly connected to the inner side of the mounting frame, the front arch is an arc structure, the front arch is located above the rear arch, and an inclined groove is opened at one end of the rear arch.
[0010] As a preferred solution of the utility model, a through hole is provided on the base surface of the furnace bed, and a conveying opening is provided at an equal distance on the bottom end of the inner wall of the groove.
[0011] As a preferred solution of the utility model, a fan is installed at one end of the support frame, and an air supply pipe is connected to one end of the fan.
[0012] As a preferred solution of the utility model, the number of the storage tray is one, and the bottom end of the storage tray is arranged at the bottom end of the inner wall of the combustion chamber.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] In the utility model, a combustion chamber, a water-cooled wall, a front arch, a rear arch, a flame port, a furnace bed, a water pipe, a fan and an air supply pipe are arranged in a combustion chamber arch device of an industrial boiler, so that smoke is input into the combustion chamber through the flame port, and the combustion temperature and the combustion efficiency are improved under the cooperation of the water-cooled wall, the front arch, the rear arch, the furnace bed, the water pipe, the fan and the air supply pipe, thereby enhancing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 It is a schematic diagram of the water-cooled wall structure of the utility model.
[0017] Figure 3 It is a schematic diagram of the structure of the front arch, rear arch, hearth, groove and storage tray of the utility model.
[0018] Figure 4 It is a structural schematic diagram of the furnace bed, grooves, through holes and conveying ports of the utility model.
[0019] Figure 5 This is a schematic diagram of the installation frame and water pipe structure of the utility model.
[0020] In the figure: 1. outer frame body; 2. combustion chamber; 3. water-cooled wall; 4. front arch; 5. rear arch; 6. flame mouth; 7. hearth; 8. groove; 9. vent; 10. support frame; 11. storage tray; 12. output port; 13. mounting frame; 14. water pipe; 15. through hole; 16. delivery port; 17. fan; 18. air supply pipe. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0025] For examples, see Figure 1-Figure 5 The utility model provides an industrial boiler combustion chamber furnace arch device, comprising an outer frame body 1, a combustion chamber 2 is arranged on the inner side of the outer frame body 1, water-cooled wall surfaces 3 are fixedly installed on the left and right ends of the inner wall of the combustion chamber 2, a front arch 4 is fixedly installed on one end of the water-cooled wall surface 3, and a rear arch 5 is fixedly installed on the other end of the water-cooled wall surface 3, flame ports 6 are arranged on the base surfaces of the outer frame body 1 and the combustion chamber 2, a furnace bed 7 is fixedly installed on the bottom end of the inner wall of the combustion chamber 2, a groove 8 is opened on the top of the furnace bed 7, a vent 9 is arranged on the left end of the outer frame body 1, and a support frame 10 is fixedly installed on the side of the left end of the outer frame body 1 close to the vent 9, so that smoke is input into the interior of the combustion chamber 2 through the flame port 6, and a fan 17 is turned on, and a vortex area is formed under the cooperation of the front arch 4, the rear arch 5 and the air supply pipe 18, and the combustion temperature and combustion efficiency are improved under the cooperation of the water-cooled wall surface 3, the furnace bed 7 and the water pipe 14.
[0026] The outer frame body 1 and the base surface of the combustion chamber 2 are both provided with an outlet 12 on the side away from the flame port 6, a mounting frame 13 is fixedly installed on the top of the inner wall of the combustion chamber 2, and a water pipe 14 is fixedly connected to the inner side of the mounting frame 13, the front arch 4 is an arc structure, the front arch 4 is located above the rear arch 5, and an inclined groove is opened at one end of the rear arch 5 (not shown in the figure, but those skilled in the art should understand the opening position and opening method of the inclined groove), a through hole 15 is opened on the base surface of the furnace bed 7, and a conveying port 16 is equidistantly opened at the bottom end of the inner wall of the groove 8, and the support frame A fan 17 is installed at one end of 10, and one end of the fan 17 is connected to an air supply pipe 18, so that the smoke is input into the interior of the combustion chamber 2 through the flame port 6. When the fan 17 is turned on, a vortex zone is formed under the cooperation of the front arch 4, the rear arch 5 and the air supply pipe 18, and air is sprayed through the furnace bed 7 and the conveying port 16 to have a convection effect with the smoke. The smoke and the water pipe 14 exchange heat, and the ash falls along the front arch 4 and the rear arch 5. In addition, the water-cooled wall 3 can exchange heat with the smoke, thereby increasing the combustion temperature and combustion efficiency, thereby enhancing practicality.
[0027] In this embodiment, please refer to Figure 1 and Figure 3 A storage tray 11 is provided at the bottom end of the inner wall of the combustion chamber 2, so that the burnt ash can be easily stored through the storage tray 11.
[0028] There is one storage tray 11 , and the bottom of the storage tray 11 is disposed at the bottom of the inner wall of the combustion chamber 2 , so that when the ash falls along the front arch 4 and the rear arch 5 , the storage tray 11 can be used to collect the burnt ash.
[0029] The working process of the utility model is as follows: when using, check whether the appearance of the equipment is damaged. After the inspection, the equipment is powered on, and the smoke is input into the interior of the combustion chamber 2 through the flame port 6. The fan 17 is turned on, and a vortex zone is formed under the cooperation of the front arch 4, the rear arch 5 and the air supply pipe 18, and air is sprayed through the furnace bed 7 and the conveying port 16 to play a convection effect with the smoke. The smoke and the water pipe 14 exchange heat, and when the ash falls along the front arch 4 and the rear arch 5, the storage tray 11 is used to store the burnt ash, and the treated smoke is discharged through the output port 12. In addition, the water-cooled wall 3 can exchange heat with the smoke, thereby improving the combustion temperature and combustion efficiency, enhancing practicality, and having promotion value.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An industrial boiler ember chamber arch device, comprising an outer frame body (1), characterized in that: A combustion chamber (2) is provided on the inner side of the outer frame body (1), and water-cooled wall surfaces (3) are fixedly mounted on both left and right ends of the inner wall of the combustion chamber (2), a front arch (4) is fixedly mounted on one end of the water-cooled wall surface (3), and a rear arch (5) is fixedly mounted on the other end of the water-cooled wall surface (3), flame ports (6) are provided on the base surfaces of the outer frame body (1) and the combustion chamber (2), a furnace bed (7) is fixedly mounted on the bottom end of the inner wall of the combustion chamber (2), and a groove (8) is provided on the top end of the furnace bed (7), a vent (9) is provided on the left end of the outer frame body (1), and a support frame (10) is fixedly mounted on the side of the left end of the outer frame body (1) close to the vent (9), and a storage tray (11) is provided on the bottom end of the inner wall of the combustion chamber (2).
2. The industrial boiler ember chamber arch device according to claim 1, characterized in that: The sides of the base surfaces of the outer frame body (1) and the combustion chamber (2) away from the flame port (6) are both provided with output ports (12).
3. The industrial boiler ember chamber arch device according to claim 1, characterized in that: A mounting frame (13) is fixedly mounted on the top of the inner wall of the combustion chamber (2), a water pipe (14) is fixedly connected to the inner side of the mounting frame (13), the front arch (4) is an arc-shaped structure, the front arch (4) is located above the rear arch (5), and an inclined groove is provided at one end of the rear arch (5).
4. The industrial boiler ember chamber arch device according to claim 1, characterized in that: The base surface of the furnace bed (7) is provided with through holes (15), and the bottom end of the inner wall of the groove (8) is provided with delivery openings (16) at equal intervals.
5. The industrial boiler ember chamber arch device according to claim 1, characterized in that: A fan (17) is installed at one end of the support frame (10), and an air supply pipe (18) is connected to one end of the fan (17).
6. The industrial boiler ember chamber arch device according to claim 1, characterized in that: The number of the storage tray (11) is one, and the bottom end of the storage tray (11) is arranged at the bottom end of the inner wall of the combustion chamber (2).