阅读说明：本技术 一种燃烧装置 (Combustion device ) 是由 陶东辉 杜辰雾 冯言刚 唐郑建 于 2021-05-21 设计创作，主要内容包括：本发明属于燃烧炉技术领域,具体涉及一种燃烧装置,包括混合室和燃烧室,混合室与燃烧室之间通过若干根送气管连接,混合室上设置有燃气连接管道,所述燃烧室包括主板、侧板和顶板,两个主板之间形成有燃气腔,两个主板的两侧分别连接有侧板,侧板上开设有用于安装点火装置的安装孔,主板的上端安装有顶板,顶板上开设有若干个均匀排列的通气孔,通气孔与送气管相连通,主板上开设有若干列均匀排列的燃气孔,靠近顶板处的燃气孔直径小于远离顶板处的燃气孔直径,能够使大部分的气体都通过下端的燃气孔排出,更接近火源,燃烧更加充分,而第二燃气孔包括大孔和小孔,两个孔的直径不一样,不会形成对冲,能够防止产生共鸣,降低噪音。(The invention belongs to the technical field of combustion furnaces, and particularly relates to a combustion device which comprises a mixing chamber and a combustion chamber, wherein the mixing chamber is connected with the combustion chamber through a plurality of gas supply pipes, a gas connecting pipeline is arranged on the mixing chamber, the combustion chamber comprises main plates, side plates and a top plate, a gas cavity is formed between the two main plates, the two sides of the two main plates are respectively connected with the side plates, mounting holes for mounting an ignition device are formed in the side plates, the top plate is mounted at the upper ends of the main plates, a plurality of uniformly arranged vent holes are formed in the top plate and communicated with the gas supply pipes, a plurality of rows of uniformly arranged gas holes are formed in the main plates, the diameter of the gas hole close to the top plate is smaller than that of the gas hole far away from the top plate, most of gas can be discharged through the gas hole at the lower end and is closer to a fire source, the combustion is more sufficient, and a second gas hole comprises a large hole and a small hole, the diameters of the two holes are different, so that the counterpulsation cannot be formed, the resonance can be prevented, and the noise is reduced.)

1. The utility model provides a combustion device, its characterized in that, includes mixing chamber (1) and combustion chamber (2), is connected through a plurality of blast pipes (3) between mixing chamber (1) and combustion chamber (2), is provided with gas connecting tube (4) on mixing chamber (1), combustion chamber (2) are including mainboard (5), curb plate (6) and roof (7), are formed with the gas chamber between two mainboard (5), and the both sides of two mainboard (5) are connected with curb plate (6) respectively, offer mounting hole (9) that are used for installing ignition on curb plate (6), and roof (7) are installed to the upper end of mainboard (5), offer a plurality of align to grid's air vent (10) on roof (7), and air vent (10) are linked together with blast pipe (3), offer gas align to grid's gas hole (11) on mainboard (5), and hole (11) diameter that is close to roof (7) department is less than hole (11) diameter of keeping away from roof (7) department.

2. The combustion apparatus of claim 1, wherein: gas hole (11) are including first gas hole (12) and second gas hole (13), and first gas hole (12) are located the upper end of mainboard (5), and second gas hole (13) are located the lower extreme of mainboard (5), and the diameter of first gas hole (12) is less than the diameter of second gas hole (13), and second gas hole (13) are including macropore (14) and aperture (15).

3. The combustion apparatus of claim 1, wherein: the lower extreme of mainboard (5) is the outside slope setting, and the lower extreme of mainboard (5) is formed with the opening that is used for giving vent to anger.

4. The combustion apparatus of claim 1, wherein: the inclination angle of the main board (5) is 30-50 degrees.

5. The combustion apparatus of claim 1, wherein: and ventilation plates (16) are respectively arranged on two sides of the top plate (7), and a plurality of air passing holes (17) are formed in the ventilation plates (16).

6. The combustion apparatus of claim 1, wherein: the combustion chamber is characterized by further comprising an outer housing (18), the upper end and the lower end of the outer housing (18) are both provided with openings, the outer housing (18) is sleeved on the peripheries of the mixing chamber (1) and the combustion chamber (2), and the vent plate (16) is located between the outer housing (18) and the top plate (7).

7. The combustion apparatus of claim 1, wherein: ignition includes main part mount pad (21), main part mount pad (21) are connected with oxygen delivery pipe (22), install ignition pipeline (23) and flame detection pipeline (24) in main part mount pad (21) respectively, the one end of ignition pipeline (23) is connected with electronic ignition, the other end of ignition pipeline (23) is provided with ignition needle (26), be provided with gas delivery pipe (27) in main part mount pad (21), gas mixing honeycomb body (28) are installed to the tip of gas delivery pipe (27), gas mixing honeycomb body (28) set up in oxygen delivery pipe (22).

8. The combustion apparatus of claim 7, wherein: a mixing cavity is formed in the gas mixing honeycomb body (28), a plurality of first vent holes (30) are respectively formed in the end faces of the two sides of the gas mixing honeycomb body (28), and one end of the gas conveying pipe (27) is communicated with the gas mixing honeycomb body (28); and a gas mixing sheet (31) is also arranged in the oxygen conveying pipe (22), the gas mixing sheet (31) is positioned at one side of the gas mixing honeycomb body (28), and a plurality of vent holes II (32) are formed in the gas mixing sheet (31).

9. The combustion apparatus of claim 7, wherein: one end of the ignition pipeline (23) penetrates through and is connected with the gas mixing honeycomb body (28) and the gas mixing sheet (31); the gas joint (25) has been seted up on main part mount pad (21), gas joint (25) are connected with gas conveyer pipe (27), oxygen inlet port (33) have been seted up on main part mount pad (21), it goes out air cavity (34) to form in main part mount pad (21), and oxygen goes out air cavity (34) and is connected with oxygen conveyer pipe (22).

10. The combustion apparatus of claim 7, wherein: an ignition connector (35) and a flame detection connector (36) are arranged on the main body mounting seat (21), one end of the ignition connector (35) is connected with an ignition needle (26), the other end of the ignition connector (35) is connected with an electronic ignition device, one end of the flame detection connector (36) is connected with a flame detection pipeline (24), and the other end of the flame detection connector (36) is connected with a control detection cabinet; a visible window (37) is arranged on the main body mounting seat (21); the ignition pipeline (23), the fuel gas conveying pipe (27) and the flame detection pipeline (24) are arranged inside the oxygen conveying pipe (22).

Technical Field

The invention relates to the technical field of combustion furnaces, in particular to a combustion device.

Background

The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields. Is made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or metallic titanium. The burner functions to atomize the sample by flame combustion. The atomized test solution enters a burner, and a large amount of ground state atoms, and part of excited state atoms, ions and molecules are generated through the processes of drying, melting, evaporation, dissociation and the like under the action of flame temperature and flame atmosphere. A well-designed burner should have the properties of high atomization efficiency, low noise and stable flame so as to ensure higher absorption sensitivity and measurement precision. A slit burner is commonly used in atomic absorption spectroscopy to generate atomic vapor. The length and width of the burner gap are different according to the type of the used fuel gas and the combustion-supporting gas, and the applicable fuel gas and the combustion-supporting gas are marked on the common burner.

In the existing burner, because the diameters of the air outlet holes are the same, when the burner is ignited, the burner is not uniform and insufficient in combustion, and can generate resonance and generate larger noise when the burner is combusted.

Disclosure of Invention

The invention aims to provide a combustion device, which solves the problem of high noise generated during combustion through gas holes with different diameters.

The purpose of the invention is realized as follows: the utility model provides a combustion device, includes mixing chamber and combustion chamber, is connected through a plurality of blast pipes between mixing chamber and the combustion chamber, is provided with the gas connecting tube on the mixing chamber, the combustion chamber includes mainboard, curb plate and roof, is formed with the gas chamber between two mainboards, and the both sides of two mainboards are connected with the curb plate respectively, offer the mounting hole that is used for installing ignition on the curb plate, and the roof is installed to the upper end of mainboard, sets up a plurality of align to grid's air vent on the roof, and the air vent is linked together with the blast pipe, sets up a plurality of align to grid's gas hole on the mainboard, and the gas hole diameter that is close to roof department is less than the gas hole diameter of keeping away from roof department.

Preferably, the gas hole includes first gas hole and second gas hole, and first gas hole is located the upper end of mainboard, and the second gas hole is located the lower extreme of mainboard, and the diameter of first gas hole is less than the diameter of second gas hole, and the second gas hole includes macropore and aperture.

Preferably, the lower end of the main board is inclined towards the outside, and an opening for air outlet is formed at the lower end of the main board.

Preferably, the inclination angle of the main plate is 30-50 °.

Preferably, the two sides of the top plate are respectively provided with a vent plate, and the vent plate is provided with a plurality of air passing holes.

Preferably, the combustion chamber further comprises an outer cover shell, the upper end and the lower end of the outer cover shell are both provided with openings, the outer cover shell is sleeved on the peripheries of the mixing chamber and the combustion chamber, and the vent plate is located between the outer cover shell and the top plate.

Preferably, ignition includes the main part mount pad, and the main part mount pad is connected with the oxygen delivery pipe, installs ignition pipeline and flame detection pipeline in the main part mount pad respectively, and the one end of ignition pipeline is connected with electron ignition, and the other end of ignition pipeline is provided with the ignition needle, is provided with the gas delivery pipe in the main part mount pad, and the gas mixing honeycomb body is installed to the tip of gas delivery pipe, and the gas mixing honeycomb body setting is in the oxygen delivery pipe.

Preferably, a mixing cavity is formed in the gas mixing honeycomb body, a plurality of first vent holes are respectively formed in the end faces of the two sides of the gas mixing honeycomb body, and one end of the gas conveying pipe is communicated with the gas mixing honeycomb body; and a gas mixing piece is also arranged in the oxygen conveying pipe, is positioned on one side of the gas mixing honeycomb body, and is provided with a plurality of vent holes II.

Preferably, one end of the ignition pipeline penetrates through and is connected with the gas mixing honeycomb body and the gas mixing sheet; the gas pipeline is characterized in that a gas joint is arranged on the main body mounting seat and connected with a gas conveying pipe, an oxygen inlet hole is formed in the main body mounting seat, an oxygen outlet cavity is formed in the main body mounting seat and connected with the oxygen conveying pipe.

Preferably, an ignition connector and a flame detection connector are arranged on the main body mounting seat, one end of the ignition connector is connected with the ignition needle, the other end of the ignition connector is connected with the electronic ignition device, one end of the flame detection connector is connected with the flame detection pipeline, and the other end of the flame detection connector is connected with the control detection cabinet; a visible window is arranged on the main body mounting seat; ignition pipeline, gas conveyer pipe, flame detection pipe set up the inside at the oxygen conveyer pipe.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. according to the invention, through the design of the gas holes, the diameter of the gas hole close to the top plate is smaller than that of the gas hole far away from the top plate, so that most of gas can be discharged through the gas hole at the lower end, the gas hole is closer to a fire source, the combustion is more sufficient, and the second gas hole comprises the big hole and the small hole, so that the diameters of the two holes are different, the opposite impact cannot be formed, the resonance can be prevented, and the noise can be reduced.

2. According to the invention, through the design of the flame detection pipeline, when gas is not ignited after multiple times of ignition, the control detection cabinet can detect the signal through the flame detection joint and close the combustible gas conveying pipeline, so that the phenomenon of flash explosion caused by reignition after the concentration of the combustible gas in the control detection cabinet is too high is prevented, and the safety is improved.

3. According to the invention, through the design of the gas mixing honeycomb body, when oxygen and fuel gas are conveyed to the interior of the ignition device from the outside, firstly, the oxygen can enter the gas mixing honeycomb body 8 through the oxygen conveying pipe, and simultaneously, the fuel gas can enter the gas mixing honeycomb body through the fuel gas conveying pipe, so that the oxygen and the fuel gas are primarily mixed in the gas mixing honeycomb body, and the subsequent ignition is facilitated, and the probability of igniting the non-combustible mixed gas is reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the main plate and the top plate.

Fig. 3 is a schematic structural view of the installation outer cover case of the present invention.

FIG. 4 is a schematic side view of the present invention.

Fig. 5 is a schematic structural view of the main body mounting seat when the oxygen delivery pipe is connected.

Fig. 6 is a schematic structural view of the main body mounting base after the oxygen delivery pipe is detached.

Fig. 7 is a first structural schematic diagram of the main body mounting seat.

Fig. 8 is a schematic view of the mounting structure of the gas mixing honeycomb body and the gas mixing fin.

Fig. 9 is a second schematic structural view of the main body mounting base.

Reference numerals: 1-a mixing chamber; 2-a combustion chamber; 3-air supply pipe; 4-gas connecting pipeline; 5, a main board; 6-side plate; 7-a top plate; 9-mounting holes; 10-a vent hole; 11-gas hole; 12-a first gas hole; 13-second fuel gas holes; 14-macropore; 15-small holes; 16-a breather plate; 17-air passing holes; 18-an outer casing; 21-main body mount; 22-oxygen delivery pipe; 23-an ignition duct; 24-a flame detection conduit; 25-gas joint; 26-an ignition needle; 27-a gas delivery pipe; 28-a gas mixing honeycomb body; 30-a first vent hole; 31-a gas mixing disk; 32-vent hole two; 33-oxygen intake; 34-an oxygen outlet cavity; 35-an ignition fitting; 36-flame detection joint; 37-visual window.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 9.

As shown in figure 1, a combustion device comprises a mixing chamber 1 and a combustion chamber 2, wherein a gas connecting pipeline 4 is arranged on the mixing chamber 1, in the actual combustion process, firstly, gas enters the mixing chamber 1 through the gas connecting pipeline 4 to be mixed with oxygen so as to facilitate subsequent ignition and combustion, the mixing chamber 1 is communicated with the combustion chamber 2 through a plurality of gas feed pipes 3, and the mixed gas is fed into the combustion chamber 2 through the gas feed pipes 3 to be ignited.

Referring to fig. 2, the combustion chamber 2 includes two main boards 5, two side boards 6 and a top board 7, a gas chamber is formed between the two main boards 5, the two sides of the two main boards 5 are respectively connected with the side boards 6, the side boards 6 are provided with mounting holes 9 for mounting an ignition device, the end of the ignition device is located in the gas chamber, the ignition device ignites the gas in the gas chamber, the top board 7 is mounted at the upper end of the main boards 5, the top board 7 is provided with a plurality of uniformly arranged vent holes 10, the vent holes 10 are communicated with the gas supply pipe 3, so that the gas in the mixing chamber 1 is uniformly supplied into the combustion chamber 2 through the vent holes 10 to be ignited, the main boards 5 are provided with a plurality of uniformly arranged gas holes 11, the diameter of the gas holes 11 near the top board 7 is smaller than the diameter of the gas holes 11 far away from the top board 7, and most of the gas can be discharged through the gas holes 11 at the lower end, closer to the fire source and more complete combustion.

With reference to fig. 3, the gas mixing device further comprises an outer cover 18, the upper end and the lower end of the outer cover 18 are both provided with openings, the outer cover 18 is sleeved on the peripheries of the mixing chamber 1 and the combustion chamber 2, the two sides of the top plate 7 are respectively provided with a vent plate 16, the vent plate 16 is provided with a plurality of vent holes 17, the vent plate 16 is positioned between the outer cover 18 and the top plate 7, one end of the outer cover 18 is connected with a large gas conveying pipeline, the large gas conveying pipeline conveys gas into the space between the outer cover and the combustion device, the gas can pass through the vent plate 16 and pass through the gas holes 11 to enter the combustion chamber 2, and the gas is further mixed with oxygen more fully in the process of passing through the vent plate 16.

Referring specifically to fig. 2, the gas holes 11 include first gas holes 12 and second gas holes 13, the first gas holes 12 are located at the upper end of the main plate 5, the second gas holes 13 are located at the lower end of the main plate 5, the diameter of the first gas holes 12 is smaller than that of the second gas holes 13, and the second gas holes 13 include large holes 14 and small holes 15.

The gas after mixing discharges through first gas hole 12 and second gas hole 13 in proper order and burns, because the diameter of first gas hole 12 is less than the diameter of second gas hole 13, consequently the gas only the part can be discharged from upper portion, guarantees that the burning is abundant, and second gas hole 13 includes macropore 14 and aperture 15, and the diameter in two holes is different, can not form the offset, can prevent to produce the sympathetic response, noise reduction.

The lower extreme of mainboard 5 is the outside slope setting, and the lower extreme of two mainboards 5 is formed with the opening that is used for giving vent to anger and burns.

The inclination angle of the main plate 5 is 30-50 degrees, so that the gas is sprayed outwards.

With reference to fig. 5 and 6, the ignition device includes a main body mounting seat 21, a gas conveying pipe 27 is arranged in the main body mounting seat 21, a gas joint 25 is arranged on the main body mounting seat 21, the gas joint 25 is connected with the gas conveying pipe 27, the gas joint 25 is used for connecting an external gas conveying device, the main body mounting seat 21 is connected with an oxygen conveying pipe 22, an oxygen inlet hole 33 is arranged on the main body mounting seat 21, the oxygen inlet hole 33 is used for connecting the external oxygen conveying device, an oxygen outlet cavity 34 is formed in the main body mounting seat 21, and the oxygen outlet cavity 34 is connected with the oxygen conveying pipe 22, so that the ignition device is firstly fed with gas and oxygen together to perform ignition and combustion on the next step.

Referring to fig. 2, an ignition duct 23 and a flame detection duct 24 are respectively installed in the main body installation seat 21, one end of the ignition duct 23 is connected to an electronic ignition device, the other end of the ignition duct 23 is provided with an ignition needle 26, the electronic ignition device is used for making the ignition needle generate electric spark so as to ignite the gas-smoke mixed gas, a gas mixing honeycomb 28 is installed at the end of the gas delivery pipe 27, the gas mixing honeycomb 28 is arranged in the oxygen delivery pipe 22, when oxygen and gas are delivered to the ignition device from the outside, firstly, oxygen can enter the gas mixing honeycomb 28 through the oxygen delivery pipe 22, meanwhile, gas can enter the gas mixing honeycomb 28 through the gas delivery pipe 27, so that oxygen and gas are primarily mixed in the gas mixing honeycomb 28, so as to facilitate subsequent ignition, reduce ignition, and ignite the probability of the non-combustible mixed gas, a flame detection sensor is arranged in the flame detection pipeline 24 and used for detecting whether gas in the boiler is ignited or not after the electronic ignition device works, if the gas is ignited within set times, the gas is not ignited, the combustible gas stops conveying, flash explosion is prevented, and safety is improved.

The shaping has the mixing chamber in the gas mixing honeycomb body 28, and the gas outlet of gas conveyer pipe 27 and oxygen conveyer pipe 22 communicates with this mixing chamber respectively, a plurality of air vent 30 has been seted up on the both sides terminal surface of gas mixing honeycomb body 28 respectively, through the design of a plurality of air vent 30, can improve the mixing effect, makes gas mixing more even to improve its combustion efficiency, the one end and the gas mixing honeycomb body 28 of gas conveyer pipe 27 are linked together.

Still be provided with gas mixing piece 31 in the oxygen conveyer pipe 22, gas mixing piece 31 is located one side of gas mixing honeycomb 28, has seted up two 32 of a plurality of air vent on the gas mixing piece 31, and this technical scheme passes through gas mixing piece 31's design, and when gas and oxygen pass through two 32 of air vent, will further mix to improve its abundant nature of burning.

One end of the ignition pipeline 23 penetrates through and is connected with the gas mixing honeycomb body 28 and the gas mixing sheet 31, and the connection structure is simple and convenient to produce.

Be provided with ignition on main part mount pad 21 and connect 35 and flame detection and connect 36, the one end and the ignition needle 26 of ignition joint 35 are connected, the other end and the electronic ignition device of ignition joint 35 are connected, electronic ignition device is prior art, be used for making ignition needle 26 produce the spark, thereby ignite combustible gas, therefore no longer specifically give consideration to its structure in this text, flame detection connects 36's one end and flame detection pipeline 24 is connected, flame detection connects 36's the other end and control detection cabinet and is connected, when the ignition does not ignite gas many times, control detection cabinet will detect this signal through flame detection connects 36, and close combustible gas delivery line, prevent to ignite the phenomenon that produces the flash explosion again after preventing because inside combustible gas concentration is too high, improve the security.

Be provided with visual window 37 on the main part mount pad 21, can observe the inside condition of ignition through visual window 37, conveniently observe.

The ignition pipeline 23, the fuel gas delivery pipe 27 and the flame detection pipeline 24 are arranged inside the oxygen delivery pipe 22, so that the structure can be protected, and the occupied space is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.