Novel low-nitrogen combustor

By adopting a combination of condensate heat exchanger silo and heat dissipation plate in the new low-nitrogen burner and combined with the design of the heat insulation board, the problem of heat accumulation at the burner interface is solved, extending the equipment life and reducing pollution.

CN222670000UActive Publication Date: 2025-03-25CHENGDU ZHAOLONG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421213744.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-03-25
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

During the combustion process of existing burners, a large amount of heat is generated at the interface between the boiler and the burner, resulting in a shortening of the service life of the equipment and a lack of thermal insulation structure.

Method used

A new low-nitrogen burner is designed, using a combination of a condensate heat exchange chamber and a heat dissipation plate. The heat is transferred to the heat dissipation plate through the condensate heat exchange chamber, and the cooling effect is achieved using cooling devices and cooling media, and the heat insulation plate is fixed outside the combustion boiler to isolate heat.

Benefits of technology

Effectively isolate heat at the interface, extend the service life of the equipment, and reduce air pollution through purification devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The novel low-nitrogen combustor comprises a combustion boiler, the upper end of one side of the outer portion of the combustion boiler is fixedly connected with a heat insulation plate, the interior of the heat insulation plate is fixedly connected with a second sealing seat, one side of the outer portion of the second sealing seat is fixedly connected with a gas inlet pipeline, and the other side of the outer portion of the second sealing seat is fixedly connected with a gas outlet pipeline. A condensate heat exchange bin is fixedly connected to the outer side of the air inlet pipeline, heat dissipation plates are symmetrically and fixedly connected to the outer side of the condensate heat exchange bin, and a third sealing seat is fixedly connected to one end of the air inlet pipeline. Heat at the joints of the combustion boiler and the burner pipe orifice and the burner body is transferred to the heat dissipation plate from the condensate heat exchange bin, the cooling effect is achieved through a series of cooling devices and cooling media, the heat insulation plate is fixed to one side of the outside of the combustion boiler, part of heat brought by the outside can be isolated, the heat resistance effect is enhanced, and the service life of the combustion boiler is prolonged. The service life of equipment can be prolonged to a certain extent, and a purification device is fixed to the top of the combustion boiler.
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Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a novel low-nitrogen burner. Background Art

[0002] The new low-nitrogen burner is an advanced combustion technology designed to reduce the emission of nitrogen oxides during the combustion process of coal-fired boilers. In traditional coal-fired boilers, the emission of nitrogen oxides is usually high, which has a serious impact on the environment. In order to solve this problem, researchers and engineers have been exploring and developing new combustion technologies to reduce nitrogen oxide emissions.

[0003] For some existing burners, after a period of combustion, a large amount of heat will be generated at the interface between the boiler and the burner, which will easily affect the service life of the burner and the boiler in the long run, and there is a lack of heat insulation structure. Utility Model Content

[0004] The purpose of the utility model is to overcome the problem that some existing burners in the prior art will generate a lot of heat at the interface between the boiler and the burner after a period of combustion, which will easily affect the service life of the burner and the boiler in the long run, and lack of insulation structure, and provide a new low-nitrogen burner, which has the effect of isolating the heat at the interface and extending the service life of the equipment.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a novel low-nitrogen burner comprises a combustion boiler, an upper end of an outer side of the combustion boiler is fixedly connected with a heat insulation plate, a second sealing seat is fixedly connected to the inside of the heat insulation plate, an outer side of the second sealing seat is fixedly connected with an air intake pipe, a condensate heat exchange bin is fixedly connected to the outer side of the air intake pipe, a heat sink is symmetrically fixedly connected to the outer side of the condensate heat exchange bin, one end of the air intake pipe is fixedly connected with a third sealing seat, one end of the third sealing seat is fixedly connected with a mounting seat, one end of the mounting seat is fixedly connected with a burner pipe mouth, one end of the burner pipe mouth is fixedly connected with a burner body, a first smoke outlet pipe is fixedly connected to one side of the top of the combustion boiler, a purification device is fixedly connected to one end of the first smoke outlet pipe, and a second smoke outlet pipe is fixedly connected to one side of the outer side of the purification device.

[0006] Preferably, a support frame is fixedly connected to the bottom of the burner body, and a fixed base is fixedly connected to the bottom of the combustion boiler and the burner body.

[0007] Preferably, a first fixing seat is fixedly connected to the outer side of one end of the first smoke outlet pipe.

[0008] Preferably, a first sealing seat is fixedly connected to the outer side of the other end of the first smoke outlet pipe.

[0009] Preferably, a second fixing seat is fixedly connected to the outer side of the second smoke outlet pipe close to one end of the purification device.

[0010] Preferably, a heat dissipation slot is provided on one side of the purification device.

[0011] Preferably, the air intake pipe is made of corrosion-resistant material.

[0012] Preferably, a plurality of heat dissipation plates are provided.

[0013] Compared with the prior art, the new low-nitrogen burner provided by the utility model has the following beneficial effects:

[0014] 1. The utility model sets a condensate heat exchange bin, transfers the heat at the junction of the combustion boiler, the burner pipe mouth and the burner body from the condensate heat exchange bin to the heat sink, and achieves the cooling effect through a series of cooling devices and cooling media. A heat insulation plate is fixed on one side of the outside of the combustion boiler, which can isolate part of the heat brought in from the outside, enhance the heat resistance effect, and extend the service life of the equipment to a certain extent. A purification device is fixed on the top of the combustion boiler, which can filter and purify the smoke brought in from the first smoke outlet pipe before discharging it, thereby reducing air pollution.

[0015] 2. The utility model provides a support frame, which supports the burner body and facilitates connection with the combustion boiler.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the axial structure of the low-nitrogen burner proposed by the utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at point A;

[0019] Figure 3 It is a front structural schematic diagram of the low nitrogen burner proposed by the utility model;

[0020] Figure 4 It is a side view vertical section structure schematic diagram of the low nitrogen burner proposed by the utility model.

[0021] Description of Reference Numerals

[0022] Combustion boiler 1, a first fixed seat 2, a first smoke outlet pipe 3, a first sealing seat 4, a purification device 5, a second fixed seat 6, a second smoke outlet pipe 7, a heat dissipation groove 8, a heat insulation plate 9, a second sealing seat 10, an air intake pipe 11, a condensate heat exchange bin 12, a heat dissipation plate 13, a third sealing seat 14, a mounting seat 15, a burner pipe mouth 16, a burner body 17, a support frame 18, and a fixed base 19. DETAILED DESCRIPTION

[0023] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-4The novel low-nitrogen burner described in the utility model comprises a combustion boiler 1, an upper end of one side of the outer side of the combustion boiler 1 is fixedly connected with a heat insulation plate 9, a second sealing seat 10 is fixedly connected to the inside of the heat insulation plate 9, an air intake pipe 11 is fixedly connected to one side of the outer side of the second sealing seat 10, a condensate heat exchange bin 12 is fixedly connected to the outer side of the air intake pipe 11, a heat dissipation plate 13 is symmetrically fixedly connected to the outer side of the condensate heat exchange bin 12, one end of the air intake pipe 11 is fixedly connected with a third sealing seat 14, one end of the third sealing seat 14 is fixedly connected with a mounting seat 15, one end of the mounting seat 15 is fixedly connected with a burner nozzle 16, one end of the burner nozzle 16 is fixedly connected with a burner body 17, and one side of the top of the combustion boiler 1 is fixed A first smoke outlet pipe 3 is connected, one end of the first smoke outlet pipe 3 is fixedly connected to a purification device 5, and one side of the outside of the purification device 5 is fixedly connected to a second smoke outlet pipe 7. The heat at the junction of the combustion boiler 1, the burner pipe mouth 16 and the burner body 17 is transferred from the condensate heat exchange bin 12 to the heat sink 13, and a series of cooling devices and cooling media are used to achieve the cooling effect. A heat insulation plate 9 is fixed to one side of the outside of the combustion boiler 1 to isolate part of the heat brought from the outside, enhance the heat resistance effect, and extend the service life of the equipment to a certain extent. A purification device 5 is fixed on the top of the combustion boiler 1 to filter and purify the smoke brought from the first smoke outlet pipe 3 before discharging it, thereby reducing air pollution.

[0027] In the present invention, preferably, a support frame 18 is fixedly connected to the bottom of the burner body 17, and the support frame 18 supports the burner body 17, so as to facilitate connection with the combustion boiler 1. The bottoms of the combustion boiler 1 and the burner body 17 are fixedly connected with a fixed base 19.

[0028] In the present invention, preferably, the outer side of one end of the first smoke outlet pipe 3 is fixedly connected with the first fixing seat 2 .

[0029] In the present invention, preferably, the outer side of the other end of the first smoke outlet pipe 3 is fixedly connected with a first sealing seat 4 .

[0030] In the present invention, preferably, a second fixing seat 6 is fixedly connected to the outer side of the second smoke outlet pipe 7 close to one end of the purification device 5 .

[0031] In the present invention, preferably, a heat dissipation slot 8 is provided on one side of the purification device 5 .

[0032] In the present invention, preferably, the air intake pipe 11 is made of corrosion-resistant material.

[0033] In the present invention, preferably, a plurality of heat dissipation plates 13 are provided.

[0034] The working principle and use process of the utility model: when in use, by setting up a condensate heat exchange bin 12, the heat at the junction of the combustion boiler 1, the burner pipe mouth 16 and the burner body 17 is transferred from the condensate heat exchange bin 12 to the heat sink 13, and a series of cooling devices and cooling media are used to achieve the cooling effect. A heat insulation plate 9 is fixed on one side of the outside of the combustion boiler 1, which can isolate part of the heat brought in by the outside, enhance the heat resistance effect, and extend the service life of the equipment to a certain extent. A purification device 5 is fixed on the top of the combustion boiler 1, which can filter and purify the smoke brought in by the first smoke outlet pipe 3 before discharging it, thereby reducing air pollution. By setting up a support frame 18, the support frame 18 supports the burner body 17, which is convenient for connection with the combustion boiler 1.

[0035] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, including combining various technical features in any other suitable manner, and these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

Claims

1. A novel low-nitrogen burner, comprising a combustion boiler (1), characterized in that: The upper end of one side of the outside of the combustion boiler (1) is fixedly connected to a heat insulation plate (9), the inside of the heat insulation plate (9) is fixedly connected to a second sealing seat (10), one side of the outside of the second sealing seat (10) is fixedly connected to an air intake pipe (11), the outside of the air intake pipe (11) is fixedly connected to a condensate heat exchange bin (12), the outside of the condensate heat exchange bin (12) is symmetrically fixedly connected to a heat dissipation plate (13), one end of the air intake pipe (11) is fixedly connected to a third sealing seat (1 4), one end of the third sealing seat (14) is fixedly connected to a mounting seat (15), one end of the mounting seat (15) is fixedly connected to a burner pipe mouth (16), one end of the burner pipe mouth (16) is fixedly connected to a burner body (17), one side of the top of the combustion boiler (1) is fixedly connected to a first smoke outlet pipe (3), one end of the first smoke outlet pipe (3) is fixedly connected to a purification device (5), and one side of the outside of the purification device (5) is fixedly connected to a second smoke outlet pipe (7).

2. The novel low nitrogen burner according to claim 1 is characterized in that: The bottom of the burner body (17) is fixedly connected to a support frame (18), and the bottoms of the combustion boiler (1) and the burner body (17) are both fixedly connected to a fixed base (19).

3. The novel low nitrogen burner according to claim 1 is characterized in that: The outer side of one end of the first smoke outlet pipe (3) is fixedly connected to a first fixing seat (2).

4. The novel low nitrogen burner according to claim 1 is characterized in that: The outer side of the other end of the first smoke outlet pipe (3) is fixedly connected to a first sealing seat (4).

5. The novel low nitrogen burner according to claim 1 is characterized in that: A second fixing seat (6) is fixedly connected to the outer side of the second smoke outlet pipe (7) at one end close to the purification device (5).

6. The novel low nitrogen burner according to claim 1 is characterized in that: A heat dissipation groove (8) is provided on one side of the purification device (5).

7. The novel low nitrogen burner according to claim 1 is characterized in that: The air intake pipe (11) is made of corrosion-resistant material.

8. The novel low nitrogen burner according to claim 1 is characterized in that: A plurality of heat dissipation plates (13) are provided.