Burner

Abstract

The utility model discloses a burner which comprises an ever-burning fire gas nozzle and an ever-burning fire gas pipeline. And the ever-burning flame gas pipeline is communicated with the ever-burning flame gas nozzle. According to the utility model, main fire can be closed and long open fire can be kept when the concentration of waste liquid and waste gas combustibles is high, high waste liquid and waste gas treatment efficiency and low energy consumption can be kept, and when the concentration of waste liquid and waste gas becomes low and a hearth has a large cooling trend, main gas can be opened immediately and load can be increased quickly without a front purging process; therefore, the hearth temperature is always controlled in a normal range, and the efficient corresponding system load requirement of the combustion system is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste liquid and waste gas incineration field, especially a burner. BACKGROUND

[0002] The conventional scheme of waste liquid or waste gas treatment is combustion treatment mode, and some of them adopt direct combustion treatment mode.For example, waste liquid direct combustion treatment, the temperature in the direct combustion furnace needs to be controlled in an interval, and too low temperature cannot make waste liquid burn and decompose, and too high temperature can produce new harmful substances and easily damage equipment.The combustible concentration of waste liquid is also continuously changed, when the combustible concentration of waste liquid is high, only a small amount of fuel gas is needed to maintain the combustion flame to maintain the furnace temperature, at this time, if the amount of fuel gas is too large, the amount of waste liquid entering can only be reduced, otherwise the furnace temperature will be overheated, which will seriously reduce the waste liquid treatment efficiency and maintain high energy consumption.If the fuel gas is turned off when the combustible concentration of waste liquid is high, when the concentration of waste liquid is low, the burner needs to go through a purging process before ignition, and after the fire is ignited, the furnace temperature may be lower than the lower limit, and the waste liquid is forced to stop treatment until the furnace temperature rises to the normal range to continue treatment, which also seriously affects the treatment efficiency. SUMMARY

[0003] To solve the above technical problems, the utility model provides a burner.

[0004] The utility model provides a burner, it includes: long lasting fire gas nozzle, long lasting fire gas pipeline and burner shell, long lasting fire gas nozzle with long lasting fire gas pipeline is provided in the burner shell inside, long lasting fire gas pipeline one end protrudes burner shell, long lasting fire gas pipeline other end with long lasting fire gas nozzle intercommunication.

[0005] Further, the burner shell includes a burner air bellow and a burner air cylinder; the burner air cylinder is arranged at one end close to the long-lasting fire gas nozzle; the burner air bellow is arranged at one end away from the long-lasting fire gas nozzle; the burner air bellow and the burner air cylinder are connected through a flange; the burner air bellow is provided with a combustion air inlet.

[0006] Further, the long-lasting fire gas nozzle is provided with a plurality of long-lasting fire gas radial nozzles at one end.

[0007] Further, the long-lasting fire gas nozzle is provided with a nozzle seat at one end away from the long-lasting fire gas radial nozzles.

[0008] Further, the long-lasting fire gas nozzle is provided with a flame stabilizing disc around; the flame stabilizing disc includes a flame stabilizing disc body and a flame stabilizing disc outer cylinder; the flame stabilizing disc body is provided with a small hole; the long-lasting fire gas nozzle passes through the flame stabilizing disc body at one end close to the long-lasting fire gas radial nozzles.

[0009] Further, the side of the nozzle seat away from the long-lasting fire gas nozzle is connected with a main gas pipeline; the side of the nozzle seat close to the long-lasting fire gas nozzle is connected with a main gas nozzle.

[0010] Further, the main gas nozzle has a plurality of; the end of the main gas nozzle not connected with the nozzle seat is arranged between the inner wall of the burner air cylinder and the outer wall of the flame stabilizing disc outer cylinder.

[0011] Further, the long-lasting fire gas radial nozzle is provided with an ignition needle; the ignition needle penetrates through the flame stabilizing disc disc body and bends to the side of the long-lasting fire gas radial nozzle.

[0012] Further, the burner air cylinder is inwardly contracted at the end away from the flange.

[0013] Further, the burner air cylinder is inwardly contracted at the end away from the flange.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] The utility model can close the main fire and reserve the long-lasting fire when the waste liquid and waste gas combustible concentration is high, maintain high waste liquid and waste gas treatment efficiency and low energy consumption, when the waste liquid and waste gas concentration is low, the furnace appears a large temperature drop trend, the process of the previous blowing can be saved, the main gas is immediately opened and the load is rapidly increased, so that the furnace temperature is always controlled in the normal range, and the combustion system is kept high efficiency and the system load demand is kept. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of the burner in an embodiment of the utility model Figure 1 ;

[0017] Figure 2 It is the right view of Figure 1 ;

[0018] Figure 3 It is the left view of Figure 1 ;

[0019] Figure 4 It is the structure diagram of the burner in an embodiment of the utility model Figure 2 .

[0020] In the drawing, 1, long-lasting fire gas nozzle; 2, long-lasting fire gas pipeline; 3, long-lasting fire gas radial nozzle; 4, main gas nozzle; 5, main gas pipeline; 6, nozzle seat; 7, flame stabilizing disc disc body; 8, flame stabilizing disc outer cylinder; 9, ignition needle; 10, combustion air inlet; 11, burner air cylinder; 12, burner air cylinder; 13, flange; 14, UV fire detection; 15, fire observation mirror. DETAILED DESCRIPTION

[0021] The self-igniting burner according to the present application will be described in more detail below with reference to the accompanying drawings, in which the preferred embodiments of the present application are illustrated. It should be understood that modifications can be made to the present application described herein, and still achieve the advantageous effects of the present application. Accordingly, the following description should be understood as a broad teaching of the present application and not a limitation of the present application.

[0022] The present application will be described in more detail below with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description and claims. It should be noted that the drawings are in a very simplified form and are not drawn to precise scale, and are merely intended to facilitate the understanding of the present application.

[0023] As shown in Figure 1 , Figure 2 and Figure 3 , the present embodiment proposes a burner, comprising: a self-igniting gas nozzle 1, a self-igniting gas pipeline 2; the self-igniting gas pipeline 2 is in communication with the self-igniting gas nozzle 1.

[0024] Further, the self-igniting gas nozzle 1 and the self-igniting gas pipeline 2 are arranged inside a burner shell; the burner shell comprises a burner air box 11 and a burner air cylinder 12; the burner air cylinder 12 is arranged at one end close to the self-igniting gas nozzle 1; the burner air box 11 is arranged at one end away from the self-igniting gas nozzle 1; the burner air box 11 and the burner air cylinder 12 are connected through a flange 13; the burner air box 11 is provided with a combustion air inlet 10.

[0025] In a specific embodiment, the burner according to the present application can be applied to an incinerator, and the combustion air inlet 10 can be arranged as a long sweeping to maintain the temperature of the incinerator stable, so as to avoid coking caused by excessively high temperature or incomplete combustion caused by excessively low temperature, thereby ensuring the stable operation of the incinerator.

[0026] In the present embodiment, the self-igniting gas nozzle 1 is provided with a plurality of self-igniting gas radial nozzles 3 at one end.

[0027] Further, the self-igniting gas nozzle 1 is provided with a nozzle seat 6 at one end away from the self-igniting gas radial nozzles 3.

[0028] Further, the self-igniting gas nozzle 1 is provided with a flame stabilizing disc around; the flame stabilizing disc comprises a flame stabilizing disc body 7 and a flame stabilizing disc outer cylinder 8; the flame stabilizing disc body 7 is provided with a small hole; the self-igniting gas nozzle 1 passes through the flame stabilizing disc body 7 at one end close to the self-igniting gas radial nozzles 3.

[0029] In a specific embodiment, the flame stabilizer outer cylinder 8 separates most of the combustion air, reducing the disturbance of the combustion air to the central long-lasting fire, which uses combustion air passing through the small holes in the flame stabilizer disc body 7; the long-lasting fire gas radial nozzle 3 is perpendicular to the combustion air direction, which can increase the residence time of the gas at the flame stabilizer, ensuring that the long-lasting fire gas and the combustion air are fully mixed at the flame stabilizer, achieving good flame stabilization effect; setting appropriate hole diameter can ensure that the long-lasting fire maintains stable combustion at a lower gas volume, and is not blown out and also does not go out.

[0030] In the embodiment, the nozzle seat 6 is connected with the main gas pipeline 5 away from the side of the long-lasting fire gas nozzle 1; the nozzle seat 6 is connected with the main gas nozzle 4 close to the side of the long-lasting fire gas nozzle 1.

[0031] Further, the main gas nozzle 4 has a plurality of; the end of the main gas nozzle 4 not connected with the nozzle seat 6 is arranged between the inner wall of the burner air cylinder 12 and the outer wall of the flame stabilizer outer cylinder 8.

[0032] In a specific embodiment, the main gas nozzle 4 is arranged in a circle, and is sprayed between the inner wall of the burner air cylinder 12 and the outer wall of the flame stabilizer outer cylinder 8, and after encountering the long-lasting fire, the main fire is ignited, and is premixed with the combustion air before the throat, so that the main fire flame is more stable, the combustion is more efficient, and the adjustment ratio is higher.

[0033] In the embodiment, the ignition needle 9 is arranged beside the long-lasting fire gas radial nozzle 3; the ignition needle 9 passes through the flame stabilizer disc body 7 and bends to the side of the long-lasting fire gas radial nozzle 3.

[0034] In a specific embodiment, after the front purge is completed, the appropriate amount of combustion air is adjusted, the long-lasting fire gas pipeline 2 is opened first, and the appropriate amount of natural gas is adjusted to be sprayed out of the long-lasting fire gas radial nozzle 3, and the high-voltage electric spark emitted by the ignition needle 9 ignites after mixing at the flame stabilizer, and the main gas pipeline 5 is opened to establish stable combustion. When the load control requires the main fire to be turned off, the long-lasting fire continues to burn at a very low load, waiting for the next main fire to be turned on, and the front purge process is omitted.

[0035] Further, the UV fire detector 14 and the fire observation mirror 15 are arranged on the burner air cylinder; the UV electric eye 14 is used for flame detection, which is used for monitoring the flame and making the obtained flame signal more stable, and the fire observation mirror 15 is arranged beside the UV electric eye 14 to observe the flame dynamic.

[0036] Further, the end of the burner air cylinder 12 away from the flange 13 is inwardly contracted, which can ensure that the main gas is fully burned, and the main fire is more stable.

[0037] In summary, the self-provided long-lasting fire burner has the following advantages:

[0038] The utility model discloses can close main fire and reserve eternal fire when waste liquid and waste gas combustible concentration is high, keep high waste liquid and waste gas treatment efficiency and low energy consumption, when waste liquid and waste gas concentration is low, furnace appears greater temperature reducing tendency, can save the process of preceding purging and open main gas immediately and improve load quickly to make furnace temperature control in normal range all the time, keep combustion system high -efficient corresponding system load demand.

[0039] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the utility model claims and their equivalents, the utility model also intends to include these modifications and variations.

Claims

1. A burner characterized by, The utility model relates to a long-lasting fire gas nozzle, long-lasting fire gas pipeline and burner shell, the long-lasting fire gas nozzle is arranged with the long-lasting fire gas pipeline in the burner shell interior; One end of the long-lasting fire gas pipeline protrudes from the burner shell, and the other end of the long-lasting fire gas pipeline is communicated with the long-lasting fire gas nozzle. The burner shell includes a burner wind box and a burner wind drum;The burner wind drum is arranged at one end close to the long-lasting fire gas nozzle;The burner wind box is arranged at one end away from the long-lasting fire gas nozzle;The burner wind box and the burner wind drum are connected by a flange;The burner wind box is provided with a combustion air inlet.

2. The burner of claim 1, wherein The long-lasting fire gas nozzle is provided with a plurality of long-lasting fire gas radial nozzles at one end.

3. The burner of claim 2, wherein The long-lasting fire gas nozzle is provided with a nozzle seat at one end away from the long-lasting fire gas radial nozzles.

4. The burner of claim 3, wherein The long-lasting fire gas nozzle is provided with a flame stabilizing disc around;The flame stabilizing disc includes a flame stabilizing disc body and a flame stabilizing disc outer cylinder;The flame stabilizing disc body is provided with a small hole;The long-lasting fire gas nozzle passes through the flame stabilizing disc body.

5. The burner of claim 4, wherein The nozzle seat is connected with a main gas pipeline at one side away from the long-lasting fire gas nozzle;The nozzle seat is connected with a main gas nozzle at one side close to the long-lasting fire gas nozzle.

6. The burner of claim 5 wherein, The main gas nozzle has a plurality of;The main gas nozzle is not connected with the nozzle seat at one end and is arranged between the inner wall of the burner wind drum and the outer wall of the flame stabilizing disc outer cylinder.

7. The burner of claim 6 wherein, An ignition needle is arranged beside the long-lasting fire gas radial nozzles;The ignition needle passes through the flame stabilizing disc body and bends to the side of the long-lasting fire gas radial nozzles.

8. The burner of claim 7, wherein The burner wind box is provided with a UV electric eye and a fire viewing mirror.

9. The burner of claim 2 wherein, The burner wind drum is inwardly contracted at one end away from the flange.

10. The burner of claim 2 wherein, ​

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