Energy-saving high-energy-efficiency burner with supercharging function

Abstract

A furnace base and a gas distribution disc are arranged in an up-and-down staggered mode, and a primary gas supplementing layer is formed in the interval space; the furnace base is provided with a plurality of gas nozzles; the gas nozzle comprises a gas inlet, an air supply port and a gas outlet; a secondary air supply cavity is arranged below the central air supply seat and the outer ring air supply seat, and the periphery of the secondary air supply cavity is open; a gas outlet of the gas nozzle is located in the secondary gas supplementing cavity. According to the utility model, in the process that high-pressure gas is supplied to the fire cover through the gas nozzle, air of the primary gas supply layer can be sucked in and mixed with the gas to be conveyed to the gas supply seat, and when the gas is conveyed to the central gas supply seat or the outer ring gas supply seat, high-pressure high-speed airflow sucks in lateral air of the secondary gas supply cavity again to form secondary air supply, so that the gas supply efficiency is improved. And in the efficient and high-pressure secondary air compensation process, air and fuel are effectively mixed, so that the high-energy-efficiency high-fire combustion effect is achieved, and the low-carbon and energy-saving design requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of combustion appliances, in particular to an energy-saving fierce-fire burner with supercharging and high energy efficiency. Background Art

[0002] A multi-head burner is a burner that uses multiple independent combustion fire covers to achieve a star-shaped combustion effect. For example, patent number CN201720706694.X discloses a new type of multi-head infrared burner, and patent number CN201220338921.5 discloses a multi-head burner. This type of multi-head burner directly supplies gas to the independent combustion fire cover through the burner head, or supplies gas to the fire cover through independent matching nozzles. This type of multi-head combustion structure has a relatively single gas supply method and general air combustion efficiency, which is not conducive to the design requirements of low-carbon energy saving, so it needs further improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an energy-saving fierce fire burner with supercharging and high energy efficiency.

[0004] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a high-efficiency energy-saving fierce fire burner with boosting, comprising: a furnace base, a gas distribution plate, a central fire cover and a fire distribution cover;

[0005] The gas distribution plate is provided with a central gas supply seat for installing the central fire cover, and a plurality of outer ring gas supply seats for installing the fire distribution cover and spaced around the central gas supply seat in the circumferential direction; the furnace seat and the gas distribution plate are arranged in staggered layers up and down, and a primary gas supply layer is formed in the interval space;

[0006] The furnace base is provided with a plurality of gas nozzles; the gas nozzle includes an air inlet, an air supply port and an air outlet; the air inlet is connected to the injection channel, the air supply port is located in the primary air supply layer, and the air outlet faces the central air supply seat or the outer ring air supply seat; a secondary air supply cavity is provided below the central air supply seat and the outer ring air supply seat, and the outer periphery of the secondary air supply cavity is open; the air outlet of the gas nozzle is located in the secondary air supply cavity.

[0007] Optionally, the gas nozzle is located at the center of the central gas supply seat or the outer ring gas supply seat.

[0008] Optionally, the bottom of the central air supply seat and the outer ring air supply seat is a trumpet-shaped structure that gradually shrinks upward.

[0009] Optionally, the passages of the central air supply seat and the outer ring air supply seat are arranged in a venturi tube structure from bottom to top.

[0010] Optionally, a lapped ring platform is provided above the central air supply seat and the outer ring air supply seat.

[0011] Optionally, the air inlet is a tapered cone-shaped structure; a throat is provided between the air inlet and the air supply port.

[0012] Optionally, a plurality of air supply ports are provided, which are evenly arranged on the gas nozzle along the circumferential direction.

[0013] Optionally, the ejection channel is divided into a central ejection cavity and an outer ring ejection cavity; the central ejection cavity faces the central air supply seat; the outer ring ejection cavity is arranged on the outer periphery of the central ejection cavity and is located below a plurality of outer ring air supply seats.

[0014] The beneficial effects of the utility model are as follows: the furnace seat and the gas distribution plate are arranged in staggered layers, and a primary air replenishment layer is formed in the interval space; a secondary air replenishment cavity is arranged below the central air supply seat and the outer ring air supply seat, and the outer periphery of the secondary air replenishment cavity is arranged open; the gas nozzle is arranged on the burner head, and is located below the central air supply seat or the outer ring air supply seat. In the utility model, the ejection channel is connected to high-pressure gas. During the process of the high-pressure gas supplying gas to the fire cover through the gas nozzle, the air of the primary air replenishment layer can be sucked in and mixed with the gas and transported toward the air supply seat. When it is sent to the central air supply seat or the outer ring air supply seat, the high-pressure and high-speed airflow forms secondary air replenishment by sucking the air from the side of the secondary air replenishment cavity again. In the process of high-efficiency and high-pressure secondary air compensation, the air and fuel are effectively mixed, thereby forming a high-efficiency fierce fire combustion effect, meeting the design requirements of low-carbon energy saving.

[0015] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the structure of the utility model energy-saving fierce fire burner.

[0018] Description of main component symbols:

[0019] 10. Furnace base; 20. Gas distribution plate; 21. Central gas supply seat; 22. Outer ring gas supply seat; 23. Secondary gas supply cavity; 24. Overlap ring platform; 30. Central fire cover; 40. Fire distribution cover; 50. Primary gas supply layer; 60. Gas nozzle; 61. Air inlet; 62. Air supply port; 63. Air outlet; 64. Throat; 70. Injection channel; 71. Central injection cavity; 72. Outer ring injection cavity. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying 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.

[0023] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0024] Example

[0025] Reference Figure 1 The utility model provides a high-efficiency energy-saving fierce fire burner with boosting, comprising: a furnace base 10, a gas distribution plate 20, a central fire cover 30 and a fire distribution cover 40;

[0026] The gas distribution plate 20 is provided with a central gas supply seat 21 for installing a central fire cover 30, and a plurality of outer ring gas supply seats 22 for installing the fire distribution cover 40 and surrounding the central gas supply seat 21 in a circumferential direction; the furnace base 10 and the gas distribution plate 20 are arranged in staggered layers up and down, and a primary gas supply layer 50 is formed in the interval space;

[0027] The furnace base 10 is provided with a plurality of gas nozzles 60; the gas nozzle 60 includes an air inlet 61, an air supply port 62 and an air outlet 63; the air inlet 61 is connected to the injection channel 70, the air supply port 62 is located in the primary air supply layer 50, and the air outlet 63 faces the central air supply seat 21 or the outer ring air supply seat 22; a secondary air supply cavity 23 is provided below the central air supply seat 21 and the outer ring air supply seat 22, and the outer periphery of the secondary air supply cavity 23 is open; the air outlet 63 of the gas nozzle 60 is located in the secondary air supply cavity 23.

[0028] In the utility model, the furnace seat 10 and the gas distribution plate 20 are arranged in staggered layers, and a primary air supply layer 50 is formed in the interval space; a secondary air supply cavity 23 is arranged below the central air supply seat 21 and the outer ring air supply seat 22, and the outer periphery of the secondary air supply cavity 23 is opened; the gas nozzle 60 is arranged on the furnace head, located below the central air supply seat 21 or the outer ring air supply seat 22. In the utility model, the ejection channel 70 is connected with high-pressure gas. In the process of supplying gas to the fire cover through the gas nozzle 60, the air of the primary air supply layer 50 can be sucked in and mixed with the gas and transported to the air supply seat. When it is sent to the central air supply seat 21 or the outer ring air supply seat 22, the high-pressure and high-speed airflow is sucked in again by the air on the side of the secondary air supply cavity 23 to form secondary air supplement. In the process of high-efficiency and high-pressure secondary air compensation, the air and fuel are effectively mixed, thereby forming a high-efficiency fierce fire combustion effect, meeting the design requirements of low-carbon energy saving.

[0029] Specifically, in order to evenly supply gas, the gas nozzle 60 is located at the center of the central gas supply seat 21 or the outer ring gas supply seat 22 .

[0030] In this embodiment, in order to allow the secondary air to be smoothly and contractedly sucked into the gas flow, the lower parts of the central air supply seat 21 and the outer ring air supply seat 22 are in a trumpet-shaped structure that gradually contracts upward.

[0031] Furthermore, in order to form a stable and efficient high-pressure mixed gas flow with the secondary air, the channels of the central gas supply seat 21 and the outer ring gas supply seat 22 are arranged in a venturi tube structure from bottom to top.

[0032] In this embodiment, in order to facilitate the placement of the central fire cover 30 and the fire distribution cover 40 , a lapped ring platform 24 is provided above the central air supply seat 21 and the outer ring air supply seat 22 .

[0033] In this embodiment, the air inlet 61 is a tapered cone-shaped structure, and a throat 64 is provided between the air inlet 61 and the air supply port 62. The throat 64 can form a convergent and pressurized jet-like airflow of the gas and send it toward the air outlet 63.

[0034] In this embodiment, a plurality of air supply ports 62 are provided and are evenly arranged along the circumference of the gas nozzle 60 , so as to evenly draw air from the primary air supply layer 50 along the circumference.

[0035] In this embodiment, the ejection channel 70 is divided into a central ejection cavity 71 and an outer ring ejection cavity 72; the central ejection cavity 71 faces the central air supply seat 21; the outer ring ejection cavity 72 is arranged around the outer periphery of the central ejection cavity 71 and is located below a plurality of outer ring air supply seats 22. The central ejection cavity 71 and the outer ring ejection cavity 72 are independent of each other and can be supplied with air separately, wherein the outer ring ejection cavity 72 can supply air to a plurality of outer ring air supply seats 22 at the same time.

[0036] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A high-efficiency energy-saving fierce-fire burner with supercharging, characterized in that: include: A furnace base (10), a gas distribution plate (20), a central fire cover (30) and a fire distribution cover (40); The gas distribution plate (20) is provided with a central gas supply seat (21) for mounting the central fire cover (30) and a plurality of outer ring gas supply seats (22) for mounting the fire distribution cover (40) and circumferentially spaced around the central gas supply seat (21); the furnace seat (10) and the gas distribution plate (20) are arranged in staggered layers up and down, and a primary gas replenishing layer (50) is formed in the space between the gas supply seats; The furnace base (10) is provided with a plurality of gas nozzles (60); the gas nozzle (60) includes an air inlet (61), an air supply port (62) and an air outlet (63); the air inlet (61) is connected to the injection channel (70), the air supply port (62) is located in the primary air supply layer (50), and the air outlet (63) faces the central air supply seat (21) or the outer ring air supply seat (22); a secondary air supply cavity (23) is provided below the central air supply seat (21) and the outer ring air supply seat (22), and the outer periphery of the secondary air supply cavity (23) is open; the air outlet (63) of the gas nozzle (60) is located in the secondary air supply cavity (23).

2. The energy-saving and high-efficiency high-fire burner with boosting according to claim 1 is characterized in that: The gas nozzle (60) is located at the center of the central gas supply seat (21) or the outer ring gas supply seat (22).

3. The energy-saving and high-efficiency high-fire burner with boosting according to claim 2 is characterized in that: The lower parts of the central air supply seat (21) and the outer ring air supply seat (22) are in a trumpet-shaped structure which gradually contracts upwards.

4. The energy-saving and fierce-fire burner with pressurization and high energy efficiency according to claim 3 is characterized in that: The passages of the central air supply seat (21) and the outer ring air supply seat (22) are arranged from bottom to top in a venturi tube structure.

5. The energy-saving and fierce-fire burner with boosting and high energy efficiency according to claim 1 is characterized in that: A lapped ring platform (24) is provided above the central air supply seat (21) and the outer ring air supply seat (22).

6. The energy-saving and fierce-fire burner with pressurization and high energy efficiency according to claim 1 is characterized in that: The air inlet (61) is a tapered conical structure; a throat (64) is provided between the air inlet (61) and the air supply port (62).

7. The energy-saving and fierce-fire burner with supercharging and high energy efficiency according to claim 1 is characterized in that: A plurality of air supply ports (62) are provided, and are evenly arranged on the gas nozzle (60) along the circumferential direction.

8. The energy-saving and fierce-fire burner with pressurization and high energy efficiency according to claim 1 is characterized in that: The ejection channel (70) is divided into a central ejection cavity (71) and an outer ring ejection cavity (72); the central ejection cavity (71) faces the central air supply seat (21); the outer ring ejection cavity (72) is arranged around the outer periphery of the central ejection cavity (71) and is located below a plurality of outer ring air supply seats (22).

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