Protective device for burner block of gas furnace
By designing a protective device including burner bricks, protective components and flame cylinders in a gas furnace, the problem of the weight of the metal flame cylinder being directly loaded on the burner bricks is solved, effectively extending the service life of the burner bricks and reducing the degree of damage.
Patent Information
- Application Number
- CN202421646889.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-12
AI Technical Summary
In existing gas furnaces, the metal flame cylinder is directly connected to the pre-embedded bolts in the burner brick, causing the weight of the flame cylinder to be directly loaded on the burner brick, increasing the risk of cracking and damage of the burner brick and reducing its service life.
A gas furnace burner brick protection device is designed, including burner brick, protective assembly and flame barrel. The protective component consists of a sleeve and a connecting ring, and the burner brick is accommodated in the sleeve. The connecting ring is used to limit the burner brick. The flame barrel is fixedly connected by the connecting ring, so as to prevent the weight of the flame barrel from being directly loaded on the burner brick.
Through this design, the external bearing capacity of the burner brick is reduced, the cracking trend caused by uneven heat is avoided, the service life of the burner brick is extended, and the degree of damage is reduced.
Smart Images
Figure CN222773773U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas furnace production and manufacturing, in particular to a gas furnace burner brick protection device. Background Art
[0002] Due to the temperature difference between the inner hole and the outer wall of the burner brick, and the inner hole wall is affected by the high temperature and rapid heating of the flame and the alternating hot and cold, the inner surface of the burner brick itself is prone to cracking and damage. However, the current push-type heating combustion furnace generally adopts a fixing method in which the metal flame tube is directly connected and fixed with the pre-buried bolts in the burner brick. The weight of the flame tube is directly loaded on the burner brick, which aggravates the cracking and damage of the burner brick, and even causes the burner brick to break and fall off, reducing the service life of the burner brick. Therefore, there are still shortcomings and deficiencies in the existing technology. Utility Model Content
[0003] The utility model aims to provide a gas furnace burner brick protection device, which solves the technical problem that the metal tube is directly connected and fixed with the pre-buried bolts in the burner brick, the weight of the flame tube is directly loaded on the burner brick, aggravates the cracking and damage of the burner brick, and reduces the service life of the burner brick.
[0004] In order to achieve the above-mentioned purpose, the utility model provides a gas furnace burner brick protection device, comprising:
[0005] Burner bricks, used to organize flames and stabilize combustion;
[0006] A protection assembly, comprising a sleeve and a connecting ring, wherein the connecting ring is fixedly connected to the sleeve, the burner brick is accommodated in the sleeve, the burner brick abuts against the connecting ring, and the connecting ring is used to limit the burner brick;
[0007] The flame tube is fixedly connected to the connecting ring.
[0008] Preferably, it also includes a burner, which is fixedly connected to the protection component.
[0009] Preferably, a mounting plate is provided at the bottom of the burner, the burner is fixedly connected to the mounting plate by a first bolt, and the mounting plate is fixedly connected to the sleeve.
[0010] Preferably, a through hole is provided on the mounting plate, and the burner is connected with the interior of the burner brick through the through hole on the mounting plate.
[0011] Preferably, the flame tube is fixedly connected to the connecting ring by a second bolt, and the flame tube is connected to the interior of the burner brick through the inner hole of the connecting ring.
[0012] Preferably, thermal insulation cotton is provided between the outer wall of the burner brick and the sleeve and the connecting ring.
[0013] Preferably, there are a plurality of the first bolts, and the plurality of the first bolts are evenly distributed on the mounting plate.
[0014] Preferably, there are multiple second bolts, and the multiple second bolts are evenly distributed on the connecting ring.
[0015] Preferably, the sleeve is welded to the connecting ring.
[0016] Preferably, the inner diameter of the connecting ring is larger than the inner diameter of the burner brick.
[0017] Compared with the above-mentioned background technology, the gas furnace burner brick protection device provided by the utility model includes a burner brick, a protection assembly and a flame tube. The protection assembly includes a sleeve and a connecting ring. The connecting ring is fixedly connected to the sleeve, the burner brick is accommodated in the sleeve, the burner brick abuts against the connecting ring, and the connecting ring is used to limit the burner brick; the flame tube is fixedly connected to the connecting ring, and the dead weight of the flame tube is not directly loaded on the burner brick, the external bearing force on the burner brick is eliminated, and the cracking tendency caused by uneven internal heating is no longer aggravated. Moreover, due to the constraint of the sleeve, the damage degree of the burner brick is reduced, which can effectively extend the service life of the burner brick. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0019] Figure 1 The present invention is a schematic structural diagram of a gas furnace burner brick protection device provided in an embodiment of the present invention.
[0020] Figure 1 The reference numerals in the figure are: 10, burner; 11, mounting plate; 111, through hole; 12, first bolt; 20, burner brick; 30, flame tube; 31, second bolt; 40, protection component; 41, sleeve; 42, connecting ring; 50, thermal insulation cotton. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0023] The utility model provides a burner brick protection device for a gas furnace, which is used for providing protection for the burner brick 20, effectively alleviating the degree of cracking and damage of the burner brick 20, and extending the service life of the burner brick 20.
[0024] Please refer to Figure 1 The burner brick protection device of the gas furnace provided by the utility model comprises a burner 10, a burner brick 20, a flame tube 30 and a protection assembly 40, wherein the burner brick 20 is connected to the burner 10 through the protection assembly 40, and the flame tube 30 is connected to the protection assembly 40.
[0025] Please refer to Figure 1 The burner 10 is mainly used for ignition of fuel. A mounting plate 11 is provided at the bottom of the burner 10. The burner 10 is fixedly connected to the mounting plate 11 by a first bolt 12. A through hole 111 is provided on the mounting plate 11. The burner 10 is connected to the inside of the burner brick 20 through the through hole 111 on the mounting plate 11.
[0026] There are multiple first bolts 12 , and the multiple first bolts 12 are evenly distributed on the mounting plate 11 . Specifically, the multiple second bolts 31 are distributed in a circular array or a rectangular array.
[0027] It is understandable that the burner 10 is fixedly connected to the mounting plate 11 by the first bolt 12 and is locked by the nut, which can ensure the connection strength on the one hand and facilitate installation on the other hand. In other embodiments, the burner 10 can also be fixed to the mounting plate 11 by other detachable connection methods, as long as the connection strength is ensured, and there is no specific limitation.
[0028] Please refer to Figure 1 The burner brick 20 is roughly in the shape of a hollow truncated cone. The burner brick 20 is used in conjunction with the burner 10 to organize flames and stabilize combustion. The burner brick 20 is arranged on the protective assembly 40.
[0029] Please refer to Figure 1The protective assembly 40 mainly plays a connecting and protective role. The protective assembly 40 includes a sleeve 41 and a connecting ring 42. The connecting ring 42 is fixedly connected to the sleeve 41, and the sleeve 41 is fixedly connected to the mounting plate 11. The shape of the sleeve 41 is adapted to the shape of the burner brick 20, and the burner brick 20 is accommodated in the sleeve 41; the connecting ring 42 is annular, and the inner diameter of the connecting ring 42 is larger than the inner diameter of the burner brick 20. The bottom of the burner brick 20 abuts against the top of the connecting ring 42. The connecting ring 42 has a limiting effect on the burner brick 20. Through such a setting, the burner brick 20 is set in the sleeve 41. Specifically, in this embodiment, the sleeve 41 is fixedly connected to the connecting ring 42 by welding.
[0030] The sleeve 41 and the connecting ring 42 are made of stainless steel and have good heat resistance.
[0031] Please refer to Figure 1 The flame tube 30 is fixedly connected to the protection assembly 40 . Specifically, the flame tube 30 is fixedly connected to the connecting ring 42 in the protection assembly 40 through a second bolt 31 . The flame tube 30 is connected to the inside of the burner brick 20 through the inner hole of the connecting ring 42 .
[0032] There are multiple second bolts 31 , and the multiple second bolts 31 are evenly distributed on the connecting ring 42 . Specifically, the multiple second bolts 31 are distributed in a circular array or a rectangular array.
[0033] It is understandable that the flame tube 30 is fixedly connected to the connecting ring 42 by the second bolt 31 and is locked by the nut, which can ensure the connection strength on the one hand and facilitate installation on the other hand. In other embodiments, the flame tube 30 can also be fixed to the connecting ring 42 by other detachable connection methods, as long as the connection strength is ensured, and there is no specific limitation.
[0034] Please refer to Figure 1 In some embodiments, a heat-insulating cotton 50 is provided between the outer wall of the burner brick 20 and the sleeve 41 and the connecting ring 42. The heat-insulating cotton 50 can play a role of heat insulation on the one hand, and can play a role of filling and preventing leakage on the other hand. In other embodiments, other heat-insulating materials can also be used, which are not specifically limited.
[0035] In the gas furnace burner brick protection device provided by the utility model, the burner brick 20 is accommodated in the sleeve 41 in the protection component 40, the sleeve 41 protects the burner brick 20, and the connecting ring 42 in the protection component 40 limits the burner brick 20 so that the burner brick 20 is set in the sleeve 41, and the flame tube 30 is fixedly connected to the connecting ring 42 by the second bolt 31. Compared with the method of connecting and fixing the flame tube 30 with the bolts buried in the burner brick 20, the dead weight of the flame tube 30 is not directly loaded on the burner brick 20, the external bearing force on the burner brick 20 is eliminated, and the cracking trend caused by the uneven heating inside the burner brick 20 is no longer aggravated. Moreover, due to the constraint of the sleeve 41, the damage degree of the burner brick 20 is reduced, and the burner brick 20 has only slight cracks after long-term use, which can effectively extend the service life of the burner brick 20.
[0036] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.
[0037] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the utility model.
Claims
1. A gas furnace burner brick protection device, characterized in that: include: Burner bricks, used to organize flames and stabilize combustion; A protection assembly, comprising a sleeve and a connecting ring, wherein the connecting ring is fixedly connected to the sleeve, the burner brick is accommodated in the sleeve, the burner brick abuts against the connecting ring, and the connecting ring is used to limit the burner brick; The flame tube is fixedly connected to the connecting ring.
2. The gas furnace burner brick protection device according to claim 1 is characterized in that: It also includes a burner, which is fixedly connected to the protection component.
3. The gas furnace burner brick protection device according to claim 2 is characterized in that: A mounting plate is provided at the bottom of the burner, the burner is fixedly connected to the mounting plate by a first bolt, and the mounting plate is fixedly connected to the sleeve.
4. The gas furnace burner brick protection device according to claim 3 is characterized in that: The mounting plate is provided with a through hole, and the burner is communicated with the interior of the burner brick through the through hole on the mounting plate.
5. The gas furnace burner brick protection device according to claim 1 is characterized in that: The flame tube is fixedly connected to the connecting ring via a second bolt, and the flame tube is communicated with the interior of the burner brick via the inner hole of the connecting ring.
6. The gas furnace burner brick protection device according to claim 1, characterized in that: Thermal insulation cotton is arranged between the outer wall of the burner brick and the sleeve and the connecting ring.
7. The gas furnace burner brick protection device according to claim 3 is characterized in that: There are multiple first bolts, and the multiple first bolts are evenly distributed on the mounting plate.
8. The gas furnace burner brick protection device according to claim 5, characterized in that: There are multiple second bolts, and the multiple second bolts are evenly distributed on the connecting ring.
9. The gas furnace burner brick protection device according to claim 1, characterized in that: The sleeve is welded to the connecting ring.
10. The gas furnace burner brick protection device according to any one of claims 1 to 9, characterized in that: The inner diameter of the connecting ring is greater than the inner diameter of the burner brick.